2 * Copyright 2012 Advanced Micro Devices, Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE.
25 #include "si_build_pm4.h"
29 #include "util/u_dual_blend.h"
30 #include "util/u_format.h"
31 #include "util/u_format_s3tc.h"
32 #include "util/u_memory.h"
33 #include "util/u_resource.h"
34 #include "util/u_upload_mgr.h"
35 #include "util/fast_idiv_by_const.h"
38 unsigned img_format
:9;
40 /* Various formats are only supported with workarounds for vertex fetch,
41 * and some 32_32_32 formats are supported natively, but only for buffers
42 * (possibly with some image support, actually, but no filtering). */
46 #include "gfx10_format_table.h"
48 static unsigned si_map_swizzle(unsigned swizzle
)
52 return V_008F0C_SQ_SEL_Y
;
54 return V_008F0C_SQ_SEL_Z
;
56 return V_008F0C_SQ_SEL_W
;
58 return V_008F0C_SQ_SEL_0
;
60 return V_008F0C_SQ_SEL_1
;
61 default: /* PIPE_SWIZZLE_X */
62 return V_008F0C_SQ_SEL_X
;
66 /* 12.4 fixed-point */
67 static unsigned si_pack_float_12p4(float x
)
70 x
>= 4096 ? 0xffff : x
* 16;
74 * Inferred framebuffer and blender state.
76 * CB_TARGET_MASK is emitted here to avoid a hang with dual source blending
77 * if there is not enough PS outputs.
79 static void si_emit_cb_render_state(struct si_context
*sctx
)
81 struct radeon_cmdbuf
*cs
= sctx
->gfx_cs
;
82 struct si_state_blend
*blend
= sctx
->queued
.named
.blend
;
83 /* CB_COLORn_INFO.FORMAT=INVALID should disable unbound colorbuffers,
84 * but you never know. */
85 uint32_t cb_target_mask
= sctx
->framebuffer
.colorbuf_enabled_4bit
;
89 cb_target_mask
&= blend
->cb_target_mask
;
91 /* Avoid a hang that happens when dual source blending is enabled
92 * but there is not enough color outputs. This is undefined behavior,
93 * so disable color writes completely.
95 * Reproducible with Unigine Heaven 4.0 and drirc missing.
97 if (blend
&& blend
->dual_src_blend
&&
98 sctx
->ps_shader
.cso
&&
99 (sctx
->ps_shader
.cso
->info
.colors_written
& 0x3) != 0x3)
102 /* GFX9: Flush DFSM when CB_TARGET_MASK changes.
103 * I think we don't have to do anything between IBs.
105 if (sctx
->screen
->dpbb_allowed
&&
106 sctx
->last_cb_target_mask
!= cb_target_mask
) {
107 sctx
->last_cb_target_mask
= cb_target_mask
;
109 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
110 radeon_emit(cs
, EVENT_TYPE(V_028A90_BREAK_BATCH
) | EVENT_INDEX(0));
113 unsigned initial_cdw
= cs
->current
.cdw
;
114 radeon_opt_set_context_reg(sctx
, R_028238_CB_TARGET_MASK
,
115 SI_TRACKED_CB_TARGET_MASK
, cb_target_mask
);
117 if (sctx
->chip_class
>= GFX8
) {
118 /* DCC MSAA workaround for blending.
119 * Alternatively, we can set CB_COLORi_DCC_CONTROL.OVERWRITE_-
120 * COMBINER_DISABLE, but that would be more complicated.
122 bool oc_disable
= blend
&&
123 blend
->blend_enable_4bit
& cb_target_mask
&&
124 sctx
->framebuffer
.nr_samples
>= 2;
125 unsigned watermark
= sctx
->framebuffer
.dcc_overwrite_combiner_watermark
;
127 radeon_opt_set_context_reg(
128 sctx
, R_028424_CB_DCC_CONTROL
,
129 SI_TRACKED_CB_DCC_CONTROL
,
130 S_028424_OVERWRITE_COMBINER_MRT_SHARING_DISABLE(sctx
->chip_class
<= GFX9
) |
131 S_028424_OVERWRITE_COMBINER_WATERMARK(watermark
) |
132 S_028424_OVERWRITE_COMBINER_DISABLE(oc_disable
) |
133 S_028424_DISABLE_CONSTANT_ENCODE_REG(sctx
->screen
->has_dcc_constant_encode
));
136 /* RB+ register settings. */
137 if (sctx
->screen
->rbplus_allowed
) {
138 unsigned spi_shader_col_format
=
139 sctx
->ps_shader
.cso
?
140 sctx
->ps_shader
.current
->key
.part
.ps
.epilog
.spi_shader_col_format
: 0;
141 unsigned sx_ps_downconvert
= 0;
142 unsigned sx_blend_opt_epsilon
= 0;
143 unsigned sx_blend_opt_control
= 0;
145 for (i
= 0; i
< sctx
->framebuffer
.state
.nr_cbufs
; i
++) {
146 struct si_surface
*surf
=
147 (struct si_surface
*)sctx
->framebuffer
.state
.cbufs
[i
];
148 unsigned format
, swap
, spi_format
, colormask
;
149 bool has_alpha
, has_rgb
;
152 /* If the color buffer is not set, the driver sets 32_R
153 * as the SPI color format, because the hw doesn't allow
154 * holes between color outputs, so also set this to
157 sx_ps_downconvert
|= V_028754_SX_RT_EXPORT_32_R
<< (i
* 4);
161 format
= G_028C70_FORMAT(surf
->cb_color_info
);
162 swap
= G_028C70_COMP_SWAP(surf
->cb_color_info
);
163 spi_format
= (spi_shader_col_format
>> (i
* 4)) & 0xf;
164 colormask
= (cb_target_mask
>> (i
* 4)) & 0xf;
166 /* Set if RGB and A are present. */
167 has_alpha
= !G_028C74_FORCE_DST_ALPHA_1(surf
->cb_color_attrib
);
169 if (format
== V_028C70_COLOR_8
||
170 format
== V_028C70_COLOR_16
||
171 format
== V_028C70_COLOR_32
)
172 has_rgb
= !has_alpha
;
176 /* Check the colormask and export format. */
177 if (!(colormask
& (PIPE_MASK_RGBA
& ~PIPE_MASK_A
)))
179 if (!(colormask
& PIPE_MASK_A
))
182 if (spi_format
== V_028714_SPI_SHADER_ZERO
) {
187 /* Disable value checking for disabled channels. */
189 sx_blend_opt_control
|= S_02875C_MRT0_COLOR_OPT_DISABLE(1) << (i
* 4);
191 sx_blend_opt_control
|= S_02875C_MRT0_ALPHA_OPT_DISABLE(1) << (i
* 4);
193 /* Enable down-conversion for 32bpp and smaller formats. */
195 case V_028C70_COLOR_8
:
196 case V_028C70_COLOR_8_8
:
197 case V_028C70_COLOR_8_8_8_8
:
198 /* For 1 and 2-channel formats, use the superset thereof. */
199 if (spi_format
== V_028714_SPI_SHADER_FP16_ABGR
||
200 spi_format
== V_028714_SPI_SHADER_UINT16_ABGR
||
201 spi_format
== V_028714_SPI_SHADER_SINT16_ABGR
) {
202 sx_ps_downconvert
|= V_028754_SX_RT_EXPORT_8_8_8_8
<< (i
* 4);
203 sx_blend_opt_epsilon
|= V_028758_8BIT_FORMAT
<< (i
* 4);
207 case V_028C70_COLOR_5_6_5
:
208 if (spi_format
== V_028714_SPI_SHADER_FP16_ABGR
) {
209 sx_ps_downconvert
|= V_028754_SX_RT_EXPORT_5_6_5
<< (i
* 4);
210 sx_blend_opt_epsilon
|= V_028758_6BIT_FORMAT
<< (i
* 4);
214 case V_028C70_COLOR_1_5_5_5
:
215 if (spi_format
== V_028714_SPI_SHADER_FP16_ABGR
) {
216 sx_ps_downconvert
|= V_028754_SX_RT_EXPORT_1_5_5_5
<< (i
* 4);
217 sx_blend_opt_epsilon
|= V_028758_5BIT_FORMAT
<< (i
* 4);
221 case V_028C70_COLOR_4_4_4_4
:
222 if (spi_format
== V_028714_SPI_SHADER_FP16_ABGR
) {
223 sx_ps_downconvert
|= V_028754_SX_RT_EXPORT_4_4_4_4
<< (i
* 4);
224 sx_blend_opt_epsilon
|= V_028758_4BIT_FORMAT
<< (i
* 4);
228 case V_028C70_COLOR_32
:
229 if (swap
== V_028C70_SWAP_STD
&&
230 spi_format
== V_028714_SPI_SHADER_32_R
)
231 sx_ps_downconvert
|= V_028754_SX_RT_EXPORT_32_R
<< (i
* 4);
232 else if (swap
== V_028C70_SWAP_ALT_REV
&&
233 spi_format
== V_028714_SPI_SHADER_32_AR
)
234 sx_ps_downconvert
|= V_028754_SX_RT_EXPORT_32_A
<< (i
* 4);
237 case V_028C70_COLOR_16
:
238 case V_028C70_COLOR_16_16
:
239 /* For 1-channel formats, use the superset thereof. */
240 if (spi_format
== V_028714_SPI_SHADER_UNORM16_ABGR
||
241 spi_format
== V_028714_SPI_SHADER_SNORM16_ABGR
||
242 spi_format
== V_028714_SPI_SHADER_UINT16_ABGR
||
243 spi_format
== V_028714_SPI_SHADER_SINT16_ABGR
) {
244 if (swap
== V_028C70_SWAP_STD
||
245 swap
== V_028C70_SWAP_STD_REV
)
246 sx_ps_downconvert
|= V_028754_SX_RT_EXPORT_16_16_GR
<< (i
* 4);
248 sx_ps_downconvert
|= V_028754_SX_RT_EXPORT_16_16_AR
<< (i
* 4);
252 case V_028C70_COLOR_10_11_11
:
253 if (spi_format
== V_028714_SPI_SHADER_FP16_ABGR
) {
254 sx_ps_downconvert
|= V_028754_SX_RT_EXPORT_10_11_11
<< (i
* 4);
255 sx_blend_opt_epsilon
|= V_028758_11BIT_FORMAT
<< (i
* 4);
259 case V_028C70_COLOR_2_10_10_10
:
260 if (spi_format
== V_028714_SPI_SHADER_FP16_ABGR
) {
261 sx_ps_downconvert
|= V_028754_SX_RT_EXPORT_2_10_10_10
<< (i
* 4);
262 sx_blend_opt_epsilon
|= V_028758_10BIT_FORMAT
<< (i
* 4);
268 /* If there are no color outputs, the first color export is
269 * always enabled as 32_R, so also set this to enable RB+.
271 if (!sx_ps_downconvert
)
272 sx_ps_downconvert
= V_028754_SX_RT_EXPORT_32_R
;
274 /* SX_PS_DOWNCONVERT, SX_BLEND_OPT_EPSILON, SX_BLEND_OPT_CONTROL */
275 radeon_opt_set_context_reg3(sctx
, R_028754_SX_PS_DOWNCONVERT
,
276 SI_TRACKED_SX_PS_DOWNCONVERT
,
277 sx_ps_downconvert
, sx_blend_opt_epsilon
,
278 sx_blend_opt_control
);
280 if (initial_cdw
!= cs
->current
.cdw
)
281 sctx
->context_roll
= true;
288 static uint32_t si_translate_blend_function(int blend_func
)
290 switch (blend_func
) {
292 return V_028780_COMB_DST_PLUS_SRC
;
293 case PIPE_BLEND_SUBTRACT
:
294 return V_028780_COMB_SRC_MINUS_DST
;
295 case PIPE_BLEND_REVERSE_SUBTRACT
:
296 return V_028780_COMB_DST_MINUS_SRC
;
298 return V_028780_COMB_MIN_DST_SRC
;
300 return V_028780_COMB_MAX_DST_SRC
;
302 PRINT_ERR("Unknown blend function %d\n", blend_func
);
309 static uint32_t si_translate_blend_factor(int blend_fact
)
311 switch (blend_fact
) {
312 case PIPE_BLENDFACTOR_ONE
:
313 return V_028780_BLEND_ONE
;
314 case PIPE_BLENDFACTOR_SRC_COLOR
:
315 return V_028780_BLEND_SRC_COLOR
;
316 case PIPE_BLENDFACTOR_SRC_ALPHA
:
317 return V_028780_BLEND_SRC_ALPHA
;
318 case PIPE_BLENDFACTOR_DST_ALPHA
:
319 return V_028780_BLEND_DST_ALPHA
;
320 case PIPE_BLENDFACTOR_DST_COLOR
:
321 return V_028780_BLEND_DST_COLOR
;
322 case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
:
323 return V_028780_BLEND_SRC_ALPHA_SATURATE
;
324 case PIPE_BLENDFACTOR_CONST_COLOR
:
325 return V_028780_BLEND_CONSTANT_COLOR
;
326 case PIPE_BLENDFACTOR_CONST_ALPHA
:
327 return V_028780_BLEND_CONSTANT_ALPHA
;
328 case PIPE_BLENDFACTOR_ZERO
:
329 return V_028780_BLEND_ZERO
;
330 case PIPE_BLENDFACTOR_INV_SRC_COLOR
:
331 return V_028780_BLEND_ONE_MINUS_SRC_COLOR
;
332 case PIPE_BLENDFACTOR_INV_SRC_ALPHA
:
333 return V_028780_BLEND_ONE_MINUS_SRC_ALPHA
;
334 case PIPE_BLENDFACTOR_INV_DST_ALPHA
:
335 return V_028780_BLEND_ONE_MINUS_DST_ALPHA
;
336 case PIPE_BLENDFACTOR_INV_DST_COLOR
:
337 return V_028780_BLEND_ONE_MINUS_DST_COLOR
;
338 case PIPE_BLENDFACTOR_INV_CONST_COLOR
:
339 return V_028780_BLEND_ONE_MINUS_CONSTANT_COLOR
;
340 case PIPE_BLENDFACTOR_INV_CONST_ALPHA
:
341 return V_028780_BLEND_ONE_MINUS_CONSTANT_ALPHA
;
342 case PIPE_BLENDFACTOR_SRC1_COLOR
:
343 return V_028780_BLEND_SRC1_COLOR
;
344 case PIPE_BLENDFACTOR_SRC1_ALPHA
:
345 return V_028780_BLEND_SRC1_ALPHA
;
346 case PIPE_BLENDFACTOR_INV_SRC1_COLOR
:
347 return V_028780_BLEND_INV_SRC1_COLOR
;
348 case PIPE_BLENDFACTOR_INV_SRC1_ALPHA
:
349 return V_028780_BLEND_INV_SRC1_ALPHA
;
351 PRINT_ERR("Bad blend factor %d not supported!\n", blend_fact
);
358 static uint32_t si_translate_blend_opt_function(int blend_func
)
360 switch (blend_func
) {
362 return V_028760_OPT_COMB_ADD
;
363 case PIPE_BLEND_SUBTRACT
:
364 return V_028760_OPT_COMB_SUBTRACT
;
365 case PIPE_BLEND_REVERSE_SUBTRACT
:
366 return V_028760_OPT_COMB_REVSUBTRACT
;
368 return V_028760_OPT_COMB_MIN
;
370 return V_028760_OPT_COMB_MAX
;
372 return V_028760_OPT_COMB_BLEND_DISABLED
;
376 static uint32_t si_translate_blend_opt_factor(int blend_fact
, bool is_alpha
)
378 switch (blend_fact
) {
379 case PIPE_BLENDFACTOR_ZERO
:
380 return V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_ALL
;
381 case PIPE_BLENDFACTOR_ONE
:
382 return V_028760_BLEND_OPT_PRESERVE_ALL_IGNORE_NONE
;
383 case PIPE_BLENDFACTOR_SRC_COLOR
:
384 return is_alpha
? V_028760_BLEND_OPT_PRESERVE_A1_IGNORE_A0
385 : V_028760_BLEND_OPT_PRESERVE_C1_IGNORE_C0
;
386 case PIPE_BLENDFACTOR_INV_SRC_COLOR
:
387 return is_alpha
? V_028760_BLEND_OPT_PRESERVE_A0_IGNORE_A1
388 : V_028760_BLEND_OPT_PRESERVE_C0_IGNORE_C1
;
389 case PIPE_BLENDFACTOR_SRC_ALPHA
:
390 return V_028760_BLEND_OPT_PRESERVE_A1_IGNORE_A0
;
391 case PIPE_BLENDFACTOR_INV_SRC_ALPHA
:
392 return V_028760_BLEND_OPT_PRESERVE_A0_IGNORE_A1
;
393 case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
:
394 return is_alpha
? V_028760_BLEND_OPT_PRESERVE_ALL_IGNORE_NONE
395 : V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_A0
;
397 return V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE
;
401 static void si_blend_check_commutativity(struct si_screen
*sscreen
,
402 struct si_state_blend
*blend
,
403 enum pipe_blend_func func
,
404 enum pipe_blendfactor src
,
405 enum pipe_blendfactor dst
,
408 /* Src factor is allowed when it does not depend on Dst */
409 static const uint32_t src_allowed
=
410 (1u << PIPE_BLENDFACTOR_ONE
) |
411 (1u << PIPE_BLENDFACTOR_SRC_COLOR
) |
412 (1u << PIPE_BLENDFACTOR_SRC_ALPHA
) |
413 (1u << PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
) |
414 (1u << PIPE_BLENDFACTOR_CONST_COLOR
) |
415 (1u << PIPE_BLENDFACTOR_CONST_ALPHA
) |
416 (1u << PIPE_BLENDFACTOR_SRC1_COLOR
) |
417 (1u << PIPE_BLENDFACTOR_SRC1_ALPHA
) |
418 (1u << PIPE_BLENDFACTOR_ZERO
) |
419 (1u << PIPE_BLENDFACTOR_INV_SRC_COLOR
) |
420 (1u << PIPE_BLENDFACTOR_INV_SRC_ALPHA
) |
421 (1u << PIPE_BLENDFACTOR_INV_CONST_COLOR
) |
422 (1u << PIPE_BLENDFACTOR_INV_CONST_ALPHA
) |
423 (1u << PIPE_BLENDFACTOR_INV_SRC1_COLOR
) |
424 (1u << PIPE_BLENDFACTOR_INV_SRC1_ALPHA
);
426 if (dst
== PIPE_BLENDFACTOR_ONE
&&
427 (src_allowed
& (1u << src
))) {
428 /* Addition is commutative, but floating point addition isn't
429 * associative: subtle changes can be introduced via different
432 * Out-of-order is also non-deterministic, which means that
433 * this breaks OpenGL invariance requirements. So only enable
434 * out-of-order additive blending if explicitly allowed by a
437 if (func
== PIPE_BLEND_MAX
|| func
== PIPE_BLEND_MIN
||
438 (func
== PIPE_BLEND_ADD
&& sscreen
->commutative_blend_add
))
439 blend
->commutative_4bit
|= chanmask
;
444 * Get rid of DST in the blend factors by commuting the operands:
445 * func(src * DST, dst * 0) ---> func(src * 0, dst * SRC)
447 static void si_blend_remove_dst(unsigned *func
, unsigned *src_factor
,
448 unsigned *dst_factor
, unsigned expected_dst
,
449 unsigned replacement_src
)
451 if (*src_factor
== expected_dst
&&
452 *dst_factor
== PIPE_BLENDFACTOR_ZERO
) {
453 *src_factor
= PIPE_BLENDFACTOR_ZERO
;
454 *dst_factor
= replacement_src
;
456 /* Commuting the operands requires reversing subtractions. */
457 if (*func
== PIPE_BLEND_SUBTRACT
)
458 *func
= PIPE_BLEND_REVERSE_SUBTRACT
;
459 else if (*func
== PIPE_BLEND_REVERSE_SUBTRACT
)
460 *func
= PIPE_BLEND_SUBTRACT
;
464 static bool si_blend_factor_uses_dst(unsigned factor
)
466 return factor
== PIPE_BLENDFACTOR_DST_COLOR
||
467 factor
== PIPE_BLENDFACTOR_DST_ALPHA
||
468 factor
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
||
469 factor
== PIPE_BLENDFACTOR_INV_DST_ALPHA
||
470 factor
== PIPE_BLENDFACTOR_INV_DST_COLOR
;
473 static void *si_create_blend_state_mode(struct pipe_context
*ctx
,
474 const struct pipe_blend_state
*state
,
477 struct si_context
*sctx
= (struct si_context
*)ctx
;
478 struct si_state_blend
*blend
= CALLOC_STRUCT(si_state_blend
);
479 struct si_pm4_state
*pm4
= &blend
->pm4
;
480 uint32_t sx_mrt_blend_opt
[8] = {0};
481 uint32_t color_control
= 0;
486 blend
->alpha_to_coverage
= state
->alpha_to_coverage
;
487 blend
->alpha_to_one
= state
->alpha_to_one
;
488 blend
->dual_src_blend
= util_blend_state_is_dual(state
, 0);
489 blend
->logicop_enable
= state
->logicop_enable
;
491 if (state
->logicop_enable
) {
492 color_control
|= S_028808_ROP3(state
->logicop_func
| (state
->logicop_func
<< 4));
494 color_control
|= S_028808_ROP3(0xcc);
497 si_pm4_set_reg(pm4
, R_028B70_DB_ALPHA_TO_MASK
,
498 S_028B70_ALPHA_TO_MASK_ENABLE(state
->alpha_to_coverage
) |
499 S_028B70_ALPHA_TO_MASK_OFFSET0(3) |
500 S_028B70_ALPHA_TO_MASK_OFFSET1(1) |
501 S_028B70_ALPHA_TO_MASK_OFFSET2(0) |
502 S_028B70_ALPHA_TO_MASK_OFFSET3(2) |
503 S_028B70_OFFSET_ROUND(1));
505 if (state
->alpha_to_coverage
)
506 blend
->need_src_alpha_4bit
|= 0xf;
508 blend
->cb_target_mask
= 0;
509 blend
->cb_target_enabled_4bit
= 0;
511 for (int i
= 0; i
< 8; i
++) {
512 /* state->rt entries > 0 only written if independent blending */
513 const int j
= state
->independent_blend_enable
? i
: 0;
515 unsigned eqRGB
= state
->rt
[j
].rgb_func
;
516 unsigned srcRGB
= state
->rt
[j
].rgb_src_factor
;
517 unsigned dstRGB
= state
->rt
[j
].rgb_dst_factor
;
518 unsigned eqA
= state
->rt
[j
].alpha_func
;
519 unsigned srcA
= state
->rt
[j
].alpha_src_factor
;
520 unsigned dstA
= state
->rt
[j
].alpha_dst_factor
;
522 unsigned srcRGB_opt
, dstRGB_opt
, srcA_opt
, dstA_opt
;
523 unsigned blend_cntl
= 0;
525 sx_mrt_blend_opt
[i
] =
526 S_028760_COLOR_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED
) |
527 S_028760_ALPHA_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED
);
529 /* Only set dual source blending for MRT0 to avoid a hang. */
530 if (i
>= 1 && blend
->dual_src_blend
) {
531 /* Vulkan does this for dual source blending. */
533 blend_cntl
|= S_028780_ENABLE(1);
535 si_pm4_set_reg(pm4
, R_028780_CB_BLEND0_CONTROL
+ i
* 4, blend_cntl
);
539 /* Only addition and subtraction equations are supported with
540 * dual source blending.
542 if (blend
->dual_src_blend
&&
543 (eqRGB
== PIPE_BLEND_MIN
|| eqRGB
== PIPE_BLEND_MAX
||
544 eqA
== PIPE_BLEND_MIN
|| eqA
== PIPE_BLEND_MAX
)) {
545 assert(!"Unsupported equation for dual source blending");
546 si_pm4_set_reg(pm4
, R_028780_CB_BLEND0_CONTROL
+ i
* 4, blend_cntl
);
550 /* cb_render_state will disable unused ones */
551 blend
->cb_target_mask
|= (unsigned)state
->rt
[j
].colormask
<< (4 * i
);
552 if (state
->rt
[j
].colormask
)
553 blend
->cb_target_enabled_4bit
|= 0xf << (4 * i
);
555 if (!state
->rt
[j
].colormask
|| !state
->rt
[j
].blend_enable
) {
556 si_pm4_set_reg(pm4
, R_028780_CB_BLEND0_CONTROL
+ i
* 4, blend_cntl
);
560 si_blend_check_commutativity(sctx
->screen
, blend
,
561 eqRGB
, srcRGB
, dstRGB
, 0x7 << (4 * i
));
562 si_blend_check_commutativity(sctx
->screen
, blend
,
563 eqA
, srcA
, dstA
, 0x8 << (4 * i
));
565 /* Blending optimizations for RB+.
566 * These transformations don't change the behavior.
568 * First, get rid of DST in the blend factors:
569 * func(src * DST, dst * 0) ---> func(src * 0, dst * SRC)
571 si_blend_remove_dst(&eqRGB
, &srcRGB
, &dstRGB
,
572 PIPE_BLENDFACTOR_DST_COLOR
,
573 PIPE_BLENDFACTOR_SRC_COLOR
);
574 si_blend_remove_dst(&eqA
, &srcA
, &dstA
,
575 PIPE_BLENDFACTOR_DST_COLOR
,
576 PIPE_BLENDFACTOR_SRC_COLOR
);
577 si_blend_remove_dst(&eqA
, &srcA
, &dstA
,
578 PIPE_BLENDFACTOR_DST_ALPHA
,
579 PIPE_BLENDFACTOR_SRC_ALPHA
);
581 /* Look up the ideal settings from tables. */
582 srcRGB_opt
= si_translate_blend_opt_factor(srcRGB
, false);
583 dstRGB_opt
= si_translate_blend_opt_factor(dstRGB
, false);
584 srcA_opt
= si_translate_blend_opt_factor(srcA
, true);
585 dstA_opt
= si_translate_blend_opt_factor(dstA
, true);
587 /* Handle interdependencies. */
588 if (si_blend_factor_uses_dst(srcRGB
))
589 dstRGB_opt
= V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE
;
590 if (si_blend_factor_uses_dst(srcA
))
591 dstA_opt
= V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE
;
593 if (srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
&&
594 (dstRGB
== PIPE_BLENDFACTOR_ZERO
||
595 dstRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
596 dstRGB
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
))
597 dstRGB_opt
= V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_A0
;
599 /* Set the final value. */
600 sx_mrt_blend_opt
[i
] =
601 S_028760_COLOR_SRC_OPT(srcRGB_opt
) |
602 S_028760_COLOR_DST_OPT(dstRGB_opt
) |
603 S_028760_COLOR_COMB_FCN(si_translate_blend_opt_function(eqRGB
)) |
604 S_028760_ALPHA_SRC_OPT(srcA_opt
) |
605 S_028760_ALPHA_DST_OPT(dstA_opt
) |
606 S_028760_ALPHA_COMB_FCN(si_translate_blend_opt_function(eqA
));
608 /* Set blend state. */
609 blend_cntl
|= S_028780_ENABLE(1);
610 blend_cntl
|= S_028780_COLOR_COMB_FCN(si_translate_blend_function(eqRGB
));
611 blend_cntl
|= S_028780_COLOR_SRCBLEND(si_translate_blend_factor(srcRGB
));
612 blend_cntl
|= S_028780_COLOR_DESTBLEND(si_translate_blend_factor(dstRGB
));
614 if (srcA
!= srcRGB
|| dstA
!= dstRGB
|| eqA
!= eqRGB
) {
615 blend_cntl
|= S_028780_SEPARATE_ALPHA_BLEND(1);
616 blend_cntl
|= S_028780_ALPHA_COMB_FCN(si_translate_blend_function(eqA
));
617 blend_cntl
|= S_028780_ALPHA_SRCBLEND(si_translate_blend_factor(srcA
));
618 blend_cntl
|= S_028780_ALPHA_DESTBLEND(si_translate_blend_factor(dstA
));
620 si_pm4_set_reg(pm4
, R_028780_CB_BLEND0_CONTROL
+ i
* 4, blend_cntl
);
622 blend
->blend_enable_4bit
|= 0xfu
<< (i
* 4);
624 /* This is only important for formats without alpha. */
625 if (srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
626 dstRGB
== PIPE_BLENDFACTOR_SRC_ALPHA
||
627 srcRGB
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
||
628 dstRGB
== PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
||
629 srcRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
||
630 dstRGB
== PIPE_BLENDFACTOR_INV_SRC_ALPHA
)
631 blend
->need_src_alpha_4bit
|= 0xfu
<< (i
* 4);
634 if (blend
->cb_target_mask
) {
635 color_control
|= S_028808_MODE(mode
);
637 color_control
|= S_028808_MODE(V_028808_CB_DISABLE
);
640 if (sctx
->screen
->rbplus_allowed
) {
641 /* Disable RB+ blend optimizations for dual source blending.
644 if (blend
->dual_src_blend
) {
645 for (int i
= 0; i
< 8; i
++) {
646 sx_mrt_blend_opt
[i
] =
647 S_028760_COLOR_COMB_FCN(V_028760_OPT_COMB_NONE
) |
648 S_028760_ALPHA_COMB_FCN(V_028760_OPT_COMB_NONE
);
652 for (int i
= 0; i
< 8; i
++)
653 si_pm4_set_reg(pm4
, R_028760_SX_MRT0_BLEND_OPT
+ i
* 4,
654 sx_mrt_blend_opt
[i
]);
656 /* RB+ doesn't work with dual source blending, logic op, and RESOLVE. */
657 if (blend
->dual_src_blend
|| state
->logicop_enable
||
658 mode
== V_028808_CB_RESOLVE
)
659 color_control
|= S_028808_DISABLE_DUAL_QUAD(1);
662 si_pm4_set_reg(pm4
, R_028808_CB_COLOR_CONTROL
, color_control
);
666 static void *si_create_blend_state(struct pipe_context
*ctx
,
667 const struct pipe_blend_state
*state
)
669 return si_create_blend_state_mode(ctx
, state
, V_028808_CB_NORMAL
);
672 static void si_bind_blend_state(struct pipe_context
*ctx
, void *state
)
674 struct si_context
*sctx
= (struct si_context
*)ctx
;
675 struct si_state_blend
*old_blend
= sctx
->queued
.named
.blend
;
676 struct si_state_blend
*blend
= (struct si_state_blend
*)state
;
681 si_pm4_bind_state(sctx
, blend
, state
);
684 old_blend
->cb_target_mask
!= blend
->cb_target_mask
||
685 old_blend
->dual_src_blend
!= blend
->dual_src_blend
||
686 (old_blend
->blend_enable_4bit
!= blend
->blend_enable_4bit
&&
687 sctx
->framebuffer
.nr_samples
>= 2 &&
688 sctx
->screen
->dcc_msaa_allowed
))
689 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.cb_render_state
);
692 old_blend
->cb_target_mask
!= blend
->cb_target_mask
||
693 old_blend
->alpha_to_coverage
!= blend
->alpha_to_coverage
||
694 old_blend
->alpha_to_one
!= blend
->alpha_to_one
||
695 old_blend
->dual_src_blend
!= blend
->dual_src_blend
||
696 old_blend
->blend_enable_4bit
!= blend
->blend_enable_4bit
||
697 old_blend
->need_src_alpha_4bit
!= blend
->need_src_alpha_4bit
)
698 sctx
->do_update_shaders
= true;
700 if (sctx
->screen
->dpbb_allowed
&&
702 old_blend
->alpha_to_coverage
!= blend
->alpha_to_coverage
||
703 old_blend
->blend_enable_4bit
!= blend
->blend_enable_4bit
||
704 old_blend
->cb_target_enabled_4bit
!= blend
->cb_target_enabled_4bit
))
705 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.dpbb_state
);
707 if (sctx
->screen
->has_out_of_order_rast
&&
709 (old_blend
->blend_enable_4bit
!= blend
->blend_enable_4bit
||
710 old_blend
->cb_target_enabled_4bit
!= blend
->cb_target_enabled_4bit
||
711 old_blend
->commutative_4bit
!= blend
->commutative_4bit
||
712 old_blend
->logicop_enable
!= blend
->logicop_enable
)))
713 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.msaa_config
);
716 static void si_delete_blend_state(struct pipe_context
*ctx
, void *state
)
718 struct si_context
*sctx
= (struct si_context
*)ctx
;
719 si_pm4_delete_state(sctx
, blend
, (struct si_state_blend
*)state
);
722 static void si_set_blend_color(struct pipe_context
*ctx
,
723 const struct pipe_blend_color
*state
)
725 struct si_context
*sctx
= (struct si_context
*)ctx
;
726 static const struct pipe_blend_color zeros
;
728 sctx
->blend_color
.state
= *state
;
729 sctx
->blend_color
.any_nonzeros
= memcmp(state
, &zeros
, sizeof(*state
)) != 0;
730 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.blend_color
);
733 static void si_emit_blend_color(struct si_context
*sctx
)
735 struct radeon_cmdbuf
*cs
= sctx
->gfx_cs
;
737 radeon_set_context_reg_seq(cs
, R_028414_CB_BLEND_RED
, 4);
738 radeon_emit_array(cs
, (uint32_t*)sctx
->blend_color
.state
.color
, 4);
745 static void si_set_clip_state(struct pipe_context
*ctx
,
746 const struct pipe_clip_state
*state
)
748 struct si_context
*sctx
= (struct si_context
*)ctx
;
749 struct pipe_constant_buffer cb
;
750 static const struct pipe_clip_state zeros
;
752 if (memcmp(&sctx
->clip_state
.state
, state
, sizeof(*state
)) == 0)
755 sctx
->clip_state
.state
= *state
;
756 sctx
->clip_state
.any_nonzeros
= memcmp(state
, &zeros
, sizeof(*state
)) != 0;
757 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.clip_state
);
760 cb
.user_buffer
= state
->ucp
;
761 cb
.buffer_offset
= 0;
762 cb
.buffer_size
= 4*4*8;
763 si_set_rw_buffer(sctx
, SI_VS_CONST_CLIP_PLANES
, &cb
);
764 pipe_resource_reference(&cb
.buffer
, NULL
);
767 static void si_emit_clip_state(struct si_context
*sctx
)
769 struct radeon_cmdbuf
*cs
= sctx
->gfx_cs
;
771 radeon_set_context_reg_seq(cs
, R_0285BC_PA_CL_UCP_0_X
, 6*4);
772 radeon_emit_array(cs
, (uint32_t*)sctx
->clip_state
.state
.ucp
, 6*4);
775 static void si_emit_clip_regs(struct si_context
*sctx
)
777 struct si_shader
*vs
= si_get_vs_state(sctx
);
778 struct si_shader_selector
*vs_sel
= vs
->selector
;
779 struct tgsi_shader_info
*info
= &vs_sel
->info
;
780 struct si_state_rasterizer
*rs
= sctx
->queued
.named
.rasterizer
;
781 unsigned window_space
=
782 info
->properties
[TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION
];
783 unsigned clipdist_mask
= vs_sel
->clipdist_mask
;
784 unsigned ucp_mask
= clipdist_mask
? 0 : rs
->clip_plane_enable
& SIX_BITS
;
785 unsigned culldist_mask
= vs_sel
->culldist_mask
;
788 if (vs
->key
.opt
.clip_disable
) {
789 assert(!info
->culldist_writemask
);
793 total_mask
= clipdist_mask
| culldist_mask
;
795 /* Clip distances on points have no effect, so need to be implemented
796 * as cull distances. This applies for the clipvertex case as well.
798 * Setting this for primitives other than points should have no adverse
801 clipdist_mask
&= rs
->clip_plane_enable
;
802 culldist_mask
|= clipdist_mask
;
804 unsigned initial_cdw
= sctx
->gfx_cs
->current
.cdw
;
805 radeon_opt_set_context_reg(sctx
, R_02881C_PA_CL_VS_OUT_CNTL
,
806 SI_TRACKED_PA_CL_VS_OUT_CNTL
,
807 vs_sel
->pa_cl_vs_out_cntl
|
808 S_02881C_VS_OUT_CCDIST0_VEC_ENA((total_mask
& 0x0F) != 0) |
809 S_02881C_VS_OUT_CCDIST1_VEC_ENA((total_mask
& 0xF0) != 0) |
810 clipdist_mask
| (culldist_mask
<< 8));
811 radeon_opt_set_context_reg(sctx
, R_028810_PA_CL_CLIP_CNTL
,
812 SI_TRACKED_PA_CL_CLIP_CNTL
,
813 rs
->pa_cl_clip_cntl
|
815 S_028810_CLIP_DISABLE(window_space
));
817 if (initial_cdw
!= sctx
->gfx_cs
->current
.cdw
)
818 sctx
->context_roll
= true;
822 * inferred state between framebuffer and rasterizer
824 static void si_update_poly_offset_state(struct si_context
*sctx
)
826 struct si_state_rasterizer
*rs
= sctx
->queued
.named
.rasterizer
;
828 if (!rs
|| !rs
->uses_poly_offset
|| !sctx
->framebuffer
.state
.zsbuf
) {
829 si_pm4_bind_state(sctx
, poly_offset
, NULL
);
833 /* Use the user format, not db_render_format, so that the polygon
834 * offset behaves as expected by applications.
836 switch (sctx
->framebuffer
.state
.zsbuf
->texture
->format
) {
837 case PIPE_FORMAT_Z16_UNORM
:
838 si_pm4_bind_state(sctx
, poly_offset
, &rs
->pm4_poly_offset
[0]);
840 default: /* 24-bit */
841 si_pm4_bind_state(sctx
, poly_offset
, &rs
->pm4_poly_offset
[1]);
843 case PIPE_FORMAT_Z32_FLOAT
:
844 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
:
845 si_pm4_bind_state(sctx
, poly_offset
, &rs
->pm4_poly_offset
[2]);
854 static uint32_t si_translate_fill(uint32_t func
)
857 case PIPE_POLYGON_MODE_FILL
:
858 return V_028814_X_DRAW_TRIANGLES
;
859 case PIPE_POLYGON_MODE_LINE
:
860 return V_028814_X_DRAW_LINES
;
861 case PIPE_POLYGON_MODE_POINT
:
862 return V_028814_X_DRAW_POINTS
;
865 return V_028814_X_DRAW_POINTS
;
869 static void *si_create_rs_state(struct pipe_context
*ctx
,
870 const struct pipe_rasterizer_state
*state
)
872 struct si_screen
*sscreen
= ((struct si_context
*)ctx
)->screen
;
873 struct si_state_rasterizer
*rs
= CALLOC_STRUCT(si_state_rasterizer
);
874 struct si_pm4_state
*pm4
= &rs
->pm4
;
876 float psize_min
, psize_max
;
882 if (!state
->front_ccw
) {
883 rs
->cull_front
= !!(state
->cull_face
& PIPE_FACE_FRONT
);
884 rs
->cull_back
= !!(state
->cull_face
& PIPE_FACE_BACK
);
886 rs
->cull_back
= !!(state
->cull_face
& PIPE_FACE_FRONT
);
887 rs
->cull_front
= !!(state
->cull_face
& PIPE_FACE_BACK
);
889 rs
->depth_clamp_any
= !state
->depth_clip_near
|| !state
->depth_clip_far
;
890 rs
->provoking_vertex_first
= state
->flatshade_first
;
891 rs
->scissor_enable
= state
->scissor
;
892 rs
->clip_halfz
= state
->clip_halfz
;
893 rs
->two_side
= state
->light_twoside
;
894 rs
->multisample_enable
= state
->multisample
;
895 rs
->force_persample_interp
= state
->force_persample_interp
;
896 rs
->clip_plane_enable
= state
->clip_plane_enable
;
897 rs
->half_pixel_center
= state
->half_pixel_center
;
898 rs
->line_stipple_enable
= state
->line_stipple_enable
;
899 rs
->poly_stipple_enable
= state
->poly_stipple_enable
;
900 rs
->line_smooth
= state
->line_smooth
;
901 rs
->line_width
= state
->line_width
;
902 rs
->poly_smooth
= state
->poly_smooth
;
903 rs
->uses_poly_offset
= state
->offset_point
|| state
->offset_line
||
905 rs
->clamp_fragment_color
= state
->clamp_fragment_color
;
906 rs
->clamp_vertex_color
= state
->clamp_vertex_color
;
907 rs
->flatshade
= state
->flatshade
;
908 rs
->flatshade_first
= state
->flatshade_first
;
909 rs
->sprite_coord_enable
= state
->sprite_coord_enable
;
910 rs
->rasterizer_discard
= state
->rasterizer_discard
;
911 rs
->pa_sc_line_stipple
= state
->line_stipple_enable
?
912 S_028A0C_LINE_PATTERN(state
->line_stipple_pattern
) |
913 S_028A0C_REPEAT_COUNT(state
->line_stipple_factor
) : 0;
914 rs
->pa_cl_clip_cntl
=
915 S_028810_DX_CLIP_SPACE_DEF(state
->clip_halfz
) |
916 S_028810_ZCLIP_NEAR_DISABLE(!state
->depth_clip_near
) |
917 S_028810_ZCLIP_FAR_DISABLE(!state
->depth_clip_far
) |
918 S_028810_DX_RASTERIZATION_KILL(state
->rasterizer_discard
) |
919 S_028810_DX_LINEAR_ATTR_CLIP_ENA(1);
921 si_pm4_set_reg(pm4
, R_0286D4_SPI_INTERP_CONTROL_0
,
922 S_0286D4_FLAT_SHADE_ENA(1) |
923 S_0286D4_PNT_SPRITE_ENA(state
->point_quad_rasterization
) |
924 S_0286D4_PNT_SPRITE_OVRD_X(V_0286D4_SPI_PNT_SPRITE_SEL_S
) |
925 S_0286D4_PNT_SPRITE_OVRD_Y(V_0286D4_SPI_PNT_SPRITE_SEL_T
) |
926 S_0286D4_PNT_SPRITE_OVRD_Z(V_0286D4_SPI_PNT_SPRITE_SEL_0
) |
927 S_0286D4_PNT_SPRITE_OVRD_W(V_0286D4_SPI_PNT_SPRITE_SEL_1
) |
928 S_0286D4_PNT_SPRITE_TOP_1(state
->sprite_coord_mode
!= PIPE_SPRITE_COORD_UPPER_LEFT
));
930 /* point size 12.4 fixed point */
931 tmp
= (unsigned)(state
->point_size
* 8.0);
932 si_pm4_set_reg(pm4
, R_028A00_PA_SU_POINT_SIZE
, S_028A00_HEIGHT(tmp
) | S_028A00_WIDTH(tmp
));
934 if (state
->point_size_per_vertex
) {
935 psize_min
= util_get_min_point_size(state
);
936 psize_max
= SI_MAX_POINT_SIZE
;
938 /* Force the point size to be as if the vertex output was disabled. */
939 psize_min
= state
->point_size
;
940 psize_max
= state
->point_size
;
942 rs
->max_point_size
= psize_max
;
944 /* Divide by two, because 0.5 = 1 pixel. */
945 si_pm4_set_reg(pm4
, R_028A04_PA_SU_POINT_MINMAX
,
946 S_028A04_MIN_SIZE(si_pack_float_12p4(psize_min
/2)) |
947 S_028A04_MAX_SIZE(si_pack_float_12p4(psize_max
/2)));
949 si_pm4_set_reg(pm4
, R_028A08_PA_SU_LINE_CNTL
,
950 S_028A08_WIDTH(si_pack_float_12p4(state
->line_width
/2)));
951 si_pm4_set_reg(pm4
, R_028A48_PA_SC_MODE_CNTL_0
,
952 S_028A48_LINE_STIPPLE_ENABLE(state
->line_stipple_enable
) |
953 S_028A48_MSAA_ENABLE(state
->multisample
||
954 state
->poly_smooth
||
955 state
->line_smooth
) |
956 S_028A48_VPORT_SCISSOR_ENABLE(1) |
957 S_028A48_ALTERNATE_RBS_PER_TILE(sscreen
->info
.chip_class
>= GFX9
));
959 si_pm4_set_reg(pm4
, R_028B7C_PA_SU_POLY_OFFSET_CLAMP
, fui(state
->offset_clamp
));
960 si_pm4_set_reg(pm4
, R_028814_PA_SU_SC_MODE_CNTL
,
961 S_028814_PROVOKING_VTX_LAST(!state
->flatshade_first
) |
962 S_028814_CULL_FRONT((state
->cull_face
& PIPE_FACE_FRONT
) ? 1 : 0) |
963 S_028814_CULL_BACK((state
->cull_face
& PIPE_FACE_BACK
) ? 1 : 0) |
964 S_028814_FACE(!state
->front_ccw
) |
965 S_028814_POLY_OFFSET_FRONT_ENABLE(util_get_offset(state
, state
->fill_front
)) |
966 S_028814_POLY_OFFSET_BACK_ENABLE(util_get_offset(state
, state
->fill_back
)) |
967 S_028814_POLY_OFFSET_PARA_ENABLE(state
->offset_point
|| state
->offset_line
) |
968 S_028814_POLY_MODE(state
->fill_front
!= PIPE_POLYGON_MODE_FILL
||
969 state
->fill_back
!= PIPE_POLYGON_MODE_FILL
) |
970 S_028814_POLYMODE_FRONT_PTYPE(si_translate_fill(state
->fill_front
)) |
971 S_028814_POLYMODE_BACK_PTYPE(si_translate_fill(state
->fill_back
)));
973 if (!rs
->uses_poly_offset
)
976 rs
->pm4_poly_offset
= CALLOC(3, sizeof(struct si_pm4_state
));
977 if (!rs
->pm4_poly_offset
) {
982 /* Precalculate polygon offset states for 16-bit, 24-bit, and 32-bit zbuffers. */
983 for (i
= 0; i
< 3; i
++) {
984 struct si_pm4_state
*pm4
= &rs
->pm4_poly_offset
[i
];
985 float offset_units
= state
->offset_units
;
986 float offset_scale
= state
->offset_scale
* 16.0f
;
987 uint32_t pa_su_poly_offset_db_fmt_cntl
= 0;
989 if (!state
->offset_units_unscaled
) {
991 case 0: /* 16-bit zbuffer */
992 offset_units
*= 4.0f
;
993 pa_su_poly_offset_db_fmt_cntl
=
994 S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(-16);
996 case 1: /* 24-bit zbuffer */
997 offset_units
*= 2.0f
;
998 pa_su_poly_offset_db_fmt_cntl
=
999 S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(-24);
1001 case 2: /* 32-bit zbuffer */
1002 offset_units
*= 1.0f
;
1003 pa_su_poly_offset_db_fmt_cntl
= S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(-23) |
1004 S_028B78_POLY_OFFSET_DB_IS_FLOAT_FMT(1);
1009 si_pm4_set_reg(pm4
, R_028B80_PA_SU_POLY_OFFSET_FRONT_SCALE
,
1011 si_pm4_set_reg(pm4
, R_028B84_PA_SU_POLY_OFFSET_FRONT_OFFSET
,
1013 si_pm4_set_reg(pm4
, R_028B88_PA_SU_POLY_OFFSET_BACK_SCALE
,
1015 si_pm4_set_reg(pm4
, R_028B8C_PA_SU_POLY_OFFSET_BACK_OFFSET
,
1017 si_pm4_set_reg(pm4
, R_028B78_PA_SU_POLY_OFFSET_DB_FMT_CNTL
,
1018 pa_su_poly_offset_db_fmt_cntl
);
1024 static void si_bind_rs_state(struct pipe_context
*ctx
, void *state
)
1026 struct si_context
*sctx
= (struct si_context
*)ctx
;
1027 struct si_state_rasterizer
*old_rs
=
1028 (struct si_state_rasterizer
*)sctx
->queued
.named
.rasterizer
;
1029 struct si_state_rasterizer
*rs
= (struct si_state_rasterizer
*)state
;
1034 if (!old_rs
|| old_rs
->multisample_enable
!= rs
->multisample_enable
) {
1035 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.db_render_state
);
1037 /* Update the small primitive filter workaround if necessary. */
1038 if (sctx
->screen
->has_msaa_sample_loc_bug
&&
1039 sctx
->framebuffer
.nr_samples
> 1)
1040 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.msaa_sample_locs
);
1043 sctx
->current_vs_state
&= C_VS_STATE_CLAMP_VERTEX_COLOR
;
1044 sctx
->current_vs_state
|= S_VS_STATE_CLAMP_VERTEX_COLOR(rs
->clamp_vertex_color
);
1046 si_pm4_bind_state(sctx
, rasterizer
, rs
);
1047 si_update_poly_offset_state(sctx
);
1050 old_rs
->scissor_enable
!= rs
->scissor_enable
)
1051 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.scissors
);
1054 old_rs
->line_width
!= rs
->line_width
||
1055 old_rs
->max_point_size
!= rs
->max_point_size
||
1056 old_rs
->half_pixel_center
!= rs
->half_pixel_center
)
1057 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.guardband
);
1060 old_rs
->clip_halfz
!= rs
->clip_halfz
)
1061 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.viewports
);
1064 old_rs
->clip_plane_enable
!= rs
->clip_plane_enable
||
1065 old_rs
->pa_cl_clip_cntl
!= rs
->pa_cl_clip_cntl
)
1066 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.clip_regs
);
1068 sctx
->ia_multi_vgt_param_key
.u
.line_stipple_enabled
=
1069 rs
->line_stipple_enable
;
1072 old_rs
->clip_plane_enable
!= rs
->clip_plane_enable
||
1073 old_rs
->rasterizer_discard
!= rs
->rasterizer_discard
||
1074 old_rs
->sprite_coord_enable
!= rs
->sprite_coord_enable
||
1075 old_rs
->flatshade
!= rs
->flatshade
||
1076 old_rs
->two_side
!= rs
->two_side
||
1077 old_rs
->multisample_enable
!= rs
->multisample_enable
||
1078 old_rs
->poly_stipple_enable
!= rs
->poly_stipple_enable
||
1079 old_rs
->poly_smooth
!= rs
->poly_smooth
||
1080 old_rs
->line_smooth
!= rs
->line_smooth
||
1081 old_rs
->clamp_fragment_color
!= rs
->clamp_fragment_color
||
1082 old_rs
->force_persample_interp
!= rs
->force_persample_interp
)
1083 sctx
->do_update_shaders
= true;
1086 static void si_delete_rs_state(struct pipe_context
*ctx
, void *state
)
1088 struct si_context
*sctx
= (struct si_context
*)ctx
;
1089 struct si_state_rasterizer
*rs
= (struct si_state_rasterizer
*)state
;
1091 if (sctx
->queued
.named
.rasterizer
== state
)
1092 si_pm4_bind_state(sctx
, poly_offset
, NULL
);
1094 FREE(rs
->pm4_poly_offset
);
1095 si_pm4_delete_state(sctx
, rasterizer
, rs
);
1099 * infeered state between dsa and stencil ref
1101 static void si_emit_stencil_ref(struct si_context
*sctx
)
1103 struct radeon_cmdbuf
*cs
= sctx
->gfx_cs
;
1104 struct pipe_stencil_ref
*ref
= &sctx
->stencil_ref
.state
;
1105 struct si_dsa_stencil_ref_part
*dsa
= &sctx
->stencil_ref
.dsa_part
;
1107 radeon_set_context_reg_seq(cs
, R_028430_DB_STENCILREFMASK
, 2);
1108 radeon_emit(cs
, S_028430_STENCILTESTVAL(ref
->ref_value
[0]) |
1109 S_028430_STENCILMASK(dsa
->valuemask
[0]) |
1110 S_028430_STENCILWRITEMASK(dsa
->writemask
[0]) |
1111 S_028430_STENCILOPVAL(1));
1112 radeon_emit(cs
, S_028434_STENCILTESTVAL_BF(ref
->ref_value
[1]) |
1113 S_028434_STENCILMASK_BF(dsa
->valuemask
[1]) |
1114 S_028434_STENCILWRITEMASK_BF(dsa
->writemask
[1]) |
1115 S_028434_STENCILOPVAL_BF(1));
1118 static void si_set_stencil_ref(struct pipe_context
*ctx
,
1119 const struct pipe_stencil_ref
*state
)
1121 struct si_context
*sctx
= (struct si_context
*)ctx
;
1123 if (memcmp(&sctx
->stencil_ref
.state
, state
, sizeof(*state
)) == 0)
1126 sctx
->stencil_ref
.state
= *state
;
1127 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.stencil_ref
);
1135 static uint32_t si_translate_stencil_op(int s_op
)
1138 case PIPE_STENCIL_OP_KEEP
:
1139 return V_02842C_STENCIL_KEEP
;
1140 case PIPE_STENCIL_OP_ZERO
:
1141 return V_02842C_STENCIL_ZERO
;
1142 case PIPE_STENCIL_OP_REPLACE
:
1143 return V_02842C_STENCIL_REPLACE_TEST
;
1144 case PIPE_STENCIL_OP_INCR
:
1145 return V_02842C_STENCIL_ADD_CLAMP
;
1146 case PIPE_STENCIL_OP_DECR
:
1147 return V_02842C_STENCIL_SUB_CLAMP
;
1148 case PIPE_STENCIL_OP_INCR_WRAP
:
1149 return V_02842C_STENCIL_ADD_WRAP
;
1150 case PIPE_STENCIL_OP_DECR_WRAP
:
1151 return V_02842C_STENCIL_SUB_WRAP
;
1152 case PIPE_STENCIL_OP_INVERT
:
1153 return V_02842C_STENCIL_INVERT
;
1155 PRINT_ERR("Unknown stencil op %d", s_op
);
1162 static bool si_dsa_writes_stencil(const struct pipe_stencil_state
*s
)
1164 return s
->enabled
&& s
->writemask
&&
1165 (s
->fail_op
!= PIPE_STENCIL_OP_KEEP
||
1166 s
->zfail_op
!= PIPE_STENCIL_OP_KEEP
||
1167 s
->zpass_op
!= PIPE_STENCIL_OP_KEEP
);
1170 static bool si_order_invariant_stencil_op(enum pipe_stencil_op op
)
1172 /* REPLACE is normally order invariant, except when the stencil
1173 * reference value is written by the fragment shader. Tracking this
1174 * interaction does not seem worth the effort, so be conservative. */
1175 return op
!= PIPE_STENCIL_OP_INCR
&&
1176 op
!= PIPE_STENCIL_OP_DECR
&&
1177 op
!= PIPE_STENCIL_OP_REPLACE
;
1180 /* Compute whether, assuming Z writes are disabled, this stencil state is order
1181 * invariant in the sense that the set of passing fragments as well as the
1182 * final stencil buffer result does not depend on the order of fragments. */
1183 static bool si_order_invariant_stencil_state(const struct pipe_stencil_state
*state
)
1185 return !state
->enabled
|| !state
->writemask
||
1186 /* The following assumes that Z writes are disabled. */
1187 (state
->func
== PIPE_FUNC_ALWAYS
&&
1188 si_order_invariant_stencil_op(state
->zpass_op
) &&
1189 si_order_invariant_stencil_op(state
->zfail_op
)) ||
1190 (state
->func
== PIPE_FUNC_NEVER
&&
1191 si_order_invariant_stencil_op(state
->fail_op
));
1194 static void *si_create_dsa_state(struct pipe_context
*ctx
,
1195 const struct pipe_depth_stencil_alpha_state
*state
)
1197 struct si_context
*sctx
= (struct si_context
*)ctx
;
1198 struct si_state_dsa
*dsa
= CALLOC_STRUCT(si_state_dsa
);
1199 struct si_pm4_state
*pm4
= &dsa
->pm4
;
1200 unsigned db_depth_control
;
1201 uint32_t db_stencil_control
= 0;
1207 dsa
->stencil_ref
.valuemask
[0] = state
->stencil
[0].valuemask
;
1208 dsa
->stencil_ref
.valuemask
[1] = state
->stencil
[1].valuemask
;
1209 dsa
->stencil_ref
.writemask
[0] = state
->stencil
[0].writemask
;
1210 dsa
->stencil_ref
.writemask
[1] = state
->stencil
[1].writemask
;
1212 db_depth_control
= S_028800_Z_ENABLE(state
->depth
.enabled
) |
1213 S_028800_Z_WRITE_ENABLE(state
->depth
.writemask
) |
1214 S_028800_ZFUNC(state
->depth
.func
) |
1215 S_028800_DEPTH_BOUNDS_ENABLE(state
->depth
.bounds_test
);
1218 if (state
->stencil
[0].enabled
) {
1219 db_depth_control
|= S_028800_STENCIL_ENABLE(1);
1220 db_depth_control
|= S_028800_STENCILFUNC(state
->stencil
[0].func
);
1221 db_stencil_control
|= S_02842C_STENCILFAIL(si_translate_stencil_op(state
->stencil
[0].fail_op
));
1222 db_stencil_control
|= S_02842C_STENCILZPASS(si_translate_stencil_op(state
->stencil
[0].zpass_op
));
1223 db_stencil_control
|= S_02842C_STENCILZFAIL(si_translate_stencil_op(state
->stencil
[0].zfail_op
));
1225 if (state
->stencil
[1].enabled
) {
1226 db_depth_control
|= S_028800_BACKFACE_ENABLE(1);
1227 db_depth_control
|= S_028800_STENCILFUNC_BF(state
->stencil
[1].func
);
1228 db_stencil_control
|= S_02842C_STENCILFAIL_BF(si_translate_stencil_op(state
->stencil
[1].fail_op
));
1229 db_stencil_control
|= S_02842C_STENCILZPASS_BF(si_translate_stencil_op(state
->stencil
[1].zpass_op
));
1230 db_stencil_control
|= S_02842C_STENCILZFAIL_BF(si_translate_stencil_op(state
->stencil
[1].zfail_op
));
1235 if (state
->alpha
.enabled
) {
1236 dsa
->alpha_func
= state
->alpha
.func
;
1238 si_pm4_set_reg(pm4
, R_00B030_SPI_SHADER_USER_DATA_PS_0
+
1239 SI_SGPR_ALPHA_REF
* 4, fui(state
->alpha
.ref_value
));
1241 dsa
->alpha_func
= PIPE_FUNC_ALWAYS
;
1244 si_pm4_set_reg(pm4
, R_028800_DB_DEPTH_CONTROL
, db_depth_control
);
1245 if (state
->stencil
[0].enabled
)
1246 si_pm4_set_reg(pm4
, R_02842C_DB_STENCIL_CONTROL
, db_stencil_control
);
1247 if (state
->depth
.bounds_test
) {
1248 si_pm4_set_reg(pm4
, R_028020_DB_DEPTH_BOUNDS_MIN
, fui(state
->depth
.bounds_min
));
1249 si_pm4_set_reg(pm4
, R_028024_DB_DEPTH_BOUNDS_MAX
, fui(state
->depth
.bounds_max
));
1252 dsa
->depth_enabled
= state
->depth
.enabled
;
1253 dsa
->depth_write_enabled
= state
->depth
.enabled
&&
1254 state
->depth
.writemask
;
1255 dsa
->stencil_enabled
= state
->stencil
[0].enabled
;
1256 dsa
->stencil_write_enabled
= state
->stencil
[0].enabled
&&
1257 (si_dsa_writes_stencil(&state
->stencil
[0]) ||
1258 si_dsa_writes_stencil(&state
->stencil
[1]));
1259 dsa
->db_can_write
= dsa
->depth_write_enabled
||
1260 dsa
->stencil_write_enabled
;
1262 bool zfunc_is_ordered
=
1263 state
->depth
.func
== PIPE_FUNC_NEVER
||
1264 state
->depth
.func
== PIPE_FUNC_LESS
||
1265 state
->depth
.func
== PIPE_FUNC_LEQUAL
||
1266 state
->depth
.func
== PIPE_FUNC_GREATER
||
1267 state
->depth
.func
== PIPE_FUNC_GEQUAL
;
1269 bool nozwrite_and_order_invariant_stencil
=
1270 !dsa
->db_can_write
||
1271 (!dsa
->depth_write_enabled
&&
1272 si_order_invariant_stencil_state(&state
->stencil
[0]) &&
1273 si_order_invariant_stencil_state(&state
->stencil
[1]));
1275 dsa
->order_invariance
[1].zs
=
1276 nozwrite_and_order_invariant_stencil
||
1277 (!dsa
->stencil_write_enabled
&& zfunc_is_ordered
);
1278 dsa
->order_invariance
[0].zs
= !dsa
->depth_write_enabled
|| zfunc_is_ordered
;
1280 dsa
->order_invariance
[1].pass_set
=
1281 nozwrite_and_order_invariant_stencil
||
1282 (!dsa
->stencil_write_enabled
&&
1283 (state
->depth
.func
== PIPE_FUNC_ALWAYS
||
1284 state
->depth
.func
== PIPE_FUNC_NEVER
));
1285 dsa
->order_invariance
[0].pass_set
=
1286 !dsa
->depth_write_enabled
||
1287 (state
->depth
.func
== PIPE_FUNC_ALWAYS
||
1288 state
->depth
.func
== PIPE_FUNC_NEVER
);
1290 dsa
->order_invariance
[1].pass_last
=
1291 sctx
->screen
->assume_no_z_fights
&&
1292 !dsa
->stencil_write_enabled
&&
1293 dsa
->depth_write_enabled
&& zfunc_is_ordered
;
1294 dsa
->order_invariance
[0].pass_last
=
1295 sctx
->screen
->assume_no_z_fights
&&
1296 dsa
->depth_write_enabled
&& zfunc_is_ordered
;
1301 static void si_bind_dsa_state(struct pipe_context
*ctx
, void *state
)
1303 struct si_context
*sctx
= (struct si_context
*)ctx
;
1304 struct si_state_dsa
*old_dsa
= sctx
->queued
.named
.dsa
;
1305 struct si_state_dsa
*dsa
= state
;
1310 si_pm4_bind_state(sctx
, dsa
, dsa
);
1312 if (memcmp(&dsa
->stencil_ref
, &sctx
->stencil_ref
.dsa_part
,
1313 sizeof(struct si_dsa_stencil_ref_part
)) != 0) {
1314 sctx
->stencil_ref
.dsa_part
= dsa
->stencil_ref
;
1315 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.stencil_ref
);
1318 if (!old_dsa
|| old_dsa
->alpha_func
!= dsa
->alpha_func
)
1319 sctx
->do_update_shaders
= true;
1321 if (sctx
->screen
->dpbb_allowed
&&
1323 (old_dsa
->depth_enabled
!= dsa
->depth_enabled
||
1324 old_dsa
->stencil_enabled
!= dsa
->stencil_enabled
||
1325 old_dsa
->db_can_write
!= dsa
->db_can_write
)))
1326 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.dpbb_state
);
1328 if (sctx
->screen
->has_out_of_order_rast
&&
1330 memcmp(old_dsa
->order_invariance
, dsa
->order_invariance
,
1331 sizeof(old_dsa
->order_invariance
))))
1332 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.msaa_config
);
1335 static void si_delete_dsa_state(struct pipe_context
*ctx
, void *state
)
1337 struct si_context
*sctx
= (struct si_context
*)ctx
;
1338 si_pm4_delete_state(sctx
, dsa
, (struct si_state_dsa
*)state
);
1341 static void *si_create_db_flush_dsa(struct si_context
*sctx
)
1343 struct pipe_depth_stencil_alpha_state dsa
= {};
1345 return sctx
->b
.create_depth_stencil_alpha_state(&sctx
->b
, &dsa
);
1348 /* DB RENDER STATE */
1350 static void si_set_active_query_state(struct pipe_context
*ctx
, boolean enable
)
1352 struct si_context
*sctx
= (struct si_context
*)ctx
;
1354 /* Pipeline stat & streamout queries. */
1356 sctx
->flags
&= ~SI_CONTEXT_STOP_PIPELINE_STATS
;
1357 sctx
->flags
|= SI_CONTEXT_START_PIPELINE_STATS
;
1359 sctx
->flags
&= ~SI_CONTEXT_START_PIPELINE_STATS
;
1360 sctx
->flags
|= SI_CONTEXT_STOP_PIPELINE_STATS
;
1363 /* Occlusion queries. */
1364 if (sctx
->occlusion_queries_disabled
!= !enable
) {
1365 sctx
->occlusion_queries_disabled
= !enable
;
1366 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.db_render_state
);
1370 void si_set_occlusion_query_state(struct si_context
*sctx
,
1371 bool old_perfect_enable
)
1373 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.db_render_state
);
1375 bool perfect_enable
= sctx
->num_perfect_occlusion_queries
!= 0;
1377 if (perfect_enable
!= old_perfect_enable
)
1378 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.msaa_config
);
1381 void si_save_qbo_state(struct si_context
*sctx
, struct si_qbo_state
*st
)
1383 st
->saved_compute
= sctx
->cs_shader_state
.program
;
1385 si_get_pipe_constant_buffer(sctx
, PIPE_SHADER_COMPUTE
, 0, &st
->saved_const0
);
1386 si_get_shader_buffers(sctx
, PIPE_SHADER_COMPUTE
, 0, 3, st
->saved_ssbo
);
1388 st
->saved_ssbo_writable_mask
= 0;
1390 for (unsigned i
= 0; i
< 3; i
++) {
1391 if (sctx
->const_and_shader_buffers
[PIPE_SHADER_COMPUTE
].writable_mask
&
1392 (1u << si_get_shaderbuf_slot(i
)))
1393 st
->saved_ssbo_writable_mask
|= 1 << i
;
1397 void si_restore_qbo_state(struct si_context
*sctx
, struct si_qbo_state
*st
)
1399 sctx
->b
.bind_compute_state(&sctx
->b
, st
->saved_compute
);
1401 sctx
->b
.set_constant_buffer(&sctx
->b
, PIPE_SHADER_COMPUTE
, 0, &st
->saved_const0
);
1402 pipe_resource_reference(&st
->saved_const0
.buffer
, NULL
);
1404 sctx
->b
.set_shader_buffers(&sctx
->b
, PIPE_SHADER_COMPUTE
, 0, 3, st
->saved_ssbo
,
1405 st
->saved_ssbo_writable_mask
);
1406 for (unsigned i
= 0; i
< 3; ++i
)
1407 pipe_resource_reference(&st
->saved_ssbo
[i
].buffer
, NULL
);
1410 static void si_emit_db_render_state(struct si_context
*sctx
)
1412 struct si_state_rasterizer
*rs
= sctx
->queued
.named
.rasterizer
;
1413 unsigned db_shader_control
, db_render_control
, db_count_control
;
1414 unsigned initial_cdw
= sctx
->gfx_cs
->current
.cdw
;
1416 /* DB_RENDER_CONTROL */
1417 if (sctx
->dbcb_depth_copy_enabled
||
1418 sctx
->dbcb_stencil_copy_enabled
) {
1420 S_028000_DEPTH_COPY(sctx
->dbcb_depth_copy_enabled
) |
1421 S_028000_STENCIL_COPY(sctx
->dbcb_stencil_copy_enabled
) |
1422 S_028000_COPY_CENTROID(1) |
1423 S_028000_COPY_SAMPLE(sctx
->dbcb_copy_sample
);
1424 } else if (sctx
->db_flush_depth_inplace
|| sctx
->db_flush_stencil_inplace
) {
1426 S_028000_DEPTH_COMPRESS_DISABLE(sctx
->db_flush_depth_inplace
) |
1427 S_028000_STENCIL_COMPRESS_DISABLE(sctx
->db_flush_stencil_inplace
);
1430 S_028000_DEPTH_CLEAR_ENABLE(sctx
->db_depth_clear
) |
1431 S_028000_STENCIL_CLEAR_ENABLE(sctx
->db_stencil_clear
);
1434 /* DB_COUNT_CONTROL (occlusion queries) */
1435 if (sctx
->num_occlusion_queries
> 0 &&
1436 !sctx
->occlusion_queries_disabled
) {
1437 bool perfect
= sctx
->num_perfect_occlusion_queries
> 0;
1438 bool gfx10_perfect
= sctx
->chip_class
>= GFX10
&& perfect
;
1440 if (sctx
->chip_class
>= GFX7
) {
1441 unsigned log_sample_rate
= sctx
->framebuffer
.log_samples
;
1443 /* Stoney doesn't increment occlusion query counters
1444 * if the sample rate is 16x. Use 8x sample rate instead.
1446 if (sctx
->family
== CHIP_STONEY
)
1447 log_sample_rate
= MIN2(log_sample_rate
, 3);
1450 S_028004_PERFECT_ZPASS_COUNTS(perfect
) |
1451 S_028004_DISABLE_CONSERVATIVE_ZPASS_COUNTS(gfx10_perfect
) |
1452 S_028004_SAMPLE_RATE(log_sample_rate
) |
1453 S_028004_ZPASS_ENABLE(1) |
1454 S_028004_SLICE_EVEN_ENABLE(1) |
1455 S_028004_SLICE_ODD_ENABLE(1);
1458 S_028004_PERFECT_ZPASS_COUNTS(perfect
) |
1459 S_028004_SAMPLE_RATE(sctx
->framebuffer
.log_samples
);
1462 /* Disable occlusion queries. */
1463 if (sctx
->chip_class
>= GFX7
) {
1464 db_count_control
= 0;
1466 db_count_control
= S_028004_ZPASS_INCREMENT_DISABLE(1);
1470 radeon_opt_set_context_reg2(sctx
, R_028000_DB_RENDER_CONTROL
,
1471 SI_TRACKED_DB_RENDER_CONTROL
, db_render_control
,
1474 /* DB_RENDER_OVERRIDE2 */
1475 radeon_opt_set_context_reg(sctx
, R_028010_DB_RENDER_OVERRIDE2
,
1476 SI_TRACKED_DB_RENDER_OVERRIDE2
,
1477 S_028010_DISABLE_ZMASK_EXPCLEAR_OPTIMIZATION(sctx
->db_depth_disable_expclear
) |
1478 S_028010_DISABLE_SMEM_EXPCLEAR_OPTIMIZATION(sctx
->db_stencil_disable_expclear
) |
1479 S_028010_DECOMPRESS_Z_ON_FLUSH(sctx
->framebuffer
.nr_samples
>= 4));
1481 db_shader_control
= sctx
->ps_db_shader_control
;
1483 /* Bug workaround for smoothing (overrasterization) on GFX6. */
1484 if (sctx
->chip_class
== GFX6
&& sctx
->smoothing_enabled
) {
1485 db_shader_control
&= C_02880C_Z_ORDER
;
1486 db_shader_control
|= S_02880C_Z_ORDER(V_02880C_LATE_Z
);
1489 /* Disable the gl_SampleMask fragment shader output if MSAA is disabled. */
1490 if (!rs
->multisample_enable
)
1491 db_shader_control
&= C_02880C_MASK_EXPORT_ENABLE
;
1493 if (sctx
->screen
->has_rbplus
&&
1494 !sctx
->screen
->rbplus_allowed
)
1495 db_shader_control
|= S_02880C_DUAL_QUAD_DISABLE(1);
1497 radeon_opt_set_context_reg(sctx
, R_02880C_DB_SHADER_CONTROL
,
1498 SI_TRACKED_DB_SHADER_CONTROL
, db_shader_control
);
1500 if (initial_cdw
!= sctx
->gfx_cs
->current
.cdw
)
1501 sctx
->context_roll
= true;
1505 * format translation
1507 static uint32_t si_translate_colorformat(enum pipe_format format
)
1509 const struct util_format_description
*desc
= util_format_description(format
);
1511 return V_028C70_COLOR_INVALID
;
1513 #define HAS_SIZE(x,y,z,w) \
1514 (desc->channel[0].size == (x) && desc->channel[1].size == (y) && \
1515 desc->channel[2].size == (z) && desc->channel[3].size == (w))
1517 if (format
== PIPE_FORMAT_R11G11B10_FLOAT
) /* isn't plain */
1518 return V_028C70_COLOR_10_11_11
;
1520 if (desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
1521 return V_028C70_COLOR_INVALID
;
1523 /* hw cannot support mixed formats (except depth/stencil, since
1524 * stencil is not written to). */
1525 if (desc
->is_mixed
&& desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
1526 return V_028C70_COLOR_INVALID
;
1528 switch (desc
->nr_channels
) {
1530 switch (desc
->channel
[0].size
) {
1532 return V_028C70_COLOR_8
;
1534 return V_028C70_COLOR_16
;
1536 return V_028C70_COLOR_32
;
1540 if (desc
->channel
[0].size
== desc
->channel
[1].size
) {
1541 switch (desc
->channel
[0].size
) {
1543 return V_028C70_COLOR_8_8
;
1545 return V_028C70_COLOR_16_16
;
1547 return V_028C70_COLOR_32_32
;
1549 } else if (HAS_SIZE(8,24,0,0)) {
1550 return V_028C70_COLOR_24_8
;
1551 } else if (HAS_SIZE(24,8,0,0)) {
1552 return V_028C70_COLOR_8_24
;
1556 if (HAS_SIZE(5,6,5,0)) {
1557 return V_028C70_COLOR_5_6_5
;
1558 } else if (HAS_SIZE(32,8,24,0)) {
1559 return V_028C70_COLOR_X24_8_32_FLOAT
;
1563 if (desc
->channel
[0].size
== desc
->channel
[1].size
&&
1564 desc
->channel
[0].size
== desc
->channel
[2].size
&&
1565 desc
->channel
[0].size
== desc
->channel
[3].size
) {
1566 switch (desc
->channel
[0].size
) {
1568 return V_028C70_COLOR_4_4_4_4
;
1570 return V_028C70_COLOR_8_8_8_8
;
1572 return V_028C70_COLOR_16_16_16_16
;
1574 return V_028C70_COLOR_32_32_32_32
;
1576 } else if (HAS_SIZE(5,5,5,1)) {
1577 return V_028C70_COLOR_1_5_5_5
;
1578 } else if (HAS_SIZE(1,5,5,5)) {
1579 return V_028C70_COLOR_5_5_5_1
;
1580 } else if (HAS_SIZE(10,10,10,2)) {
1581 return V_028C70_COLOR_2_10_10_10
;
1585 return V_028C70_COLOR_INVALID
;
1588 static uint32_t si_colorformat_endian_swap(uint32_t colorformat
)
1590 if (SI_BIG_ENDIAN
) {
1591 switch(colorformat
) {
1592 /* 8-bit buffers. */
1593 case V_028C70_COLOR_8
:
1594 return V_028C70_ENDIAN_NONE
;
1596 /* 16-bit buffers. */
1597 case V_028C70_COLOR_5_6_5
:
1598 case V_028C70_COLOR_1_5_5_5
:
1599 case V_028C70_COLOR_4_4_4_4
:
1600 case V_028C70_COLOR_16
:
1601 case V_028C70_COLOR_8_8
:
1602 return V_028C70_ENDIAN_8IN16
;
1604 /* 32-bit buffers. */
1605 case V_028C70_COLOR_8_8_8_8
:
1606 case V_028C70_COLOR_2_10_10_10
:
1607 case V_028C70_COLOR_8_24
:
1608 case V_028C70_COLOR_24_8
:
1609 case V_028C70_COLOR_16_16
:
1610 return V_028C70_ENDIAN_8IN32
;
1612 /* 64-bit buffers. */
1613 case V_028C70_COLOR_16_16_16_16
:
1614 return V_028C70_ENDIAN_8IN16
;
1616 case V_028C70_COLOR_32_32
:
1617 return V_028C70_ENDIAN_8IN32
;
1619 /* 128-bit buffers. */
1620 case V_028C70_COLOR_32_32_32_32
:
1621 return V_028C70_ENDIAN_8IN32
;
1623 return V_028C70_ENDIAN_NONE
; /* Unsupported. */
1626 return V_028C70_ENDIAN_NONE
;
1630 static uint32_t si_translate_dbformat(enum pipe_format format
)
1633 case PIPE_FORMAT_Z16_UNORM
:
1634 return V_028040_Z_16
;
1635 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
1636 case PIPE_FORMAT_X8Z24_UNORM
:
1637 case PIPE_FORMAT_Z24X8_UNORM
:
1638 case PIPE_FORMAT_Z24_UNORM_S8_UINT
:
1639 return V_028040_Z_24
; /* deprecated on AMD GCN */
1640 case PIPE_FORMAT_Z32_FLOAT
:
1641 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
:
1642 return V_028040_Z_32_FLOAT
;
1644 return V_028040_Z_INVALID
;
1649 * Texture translation
1652 static uint32_t si_translate_texformat(struct pipe_screen
*screen
,
1653 enum pipe_format format
,
1654 const struct util_format_description
*desc
,
1657 struct si_screen
*sscreen
= (struct si_screen
*)screen
;
1658 bool uniform
= true;
1661 assert(sscreen
->info
.chip_class
<= GFX9
);
1663 /* Colorspace (return non-RGB formats directly). */
1664 switch (desc
->colorspace
) {
1665 /* Depth stencil formats */
1666 case UTIL_FORMAT_COLORSPACE_ZS
:
1668 case PIPE_FORMAT_Z16_UNORM
:
1669 return V_008F14_IMG_DATA_FORMAT_16
;
1670 case PIPE_FORMAT_X24S8_UINT
:
1671 case PIPE_FORMAT_S8X24_UINT
:
1673 * Implemented as an 8_8_8_8 data format to fix texture
1674 * gathers in stencil sampling. This affects at least
1675 * GL45-CTS.texture_cube_map_array.sampling on GFX8.
1677 if (sscreen
->info
.chip_class
<= GFX8
)
1678 return V_008F14_IMG_DATA_FORMAT_8_8_8_8
;
1680 if (format
== PIPE_FORMAT_X24S8_UINT
)
1681 return V_008F14_IMG_DATA_FORMAT_8_24
;
1683 return V_008F14_IMG_DATA_FORMAT_24_8
;
1684 case PIPE_FORMAT_Z24X8_UNORM
:
1685 case PIPE_FORMAT_Z24_UNORM_S8_UINT
:
1686 return V_008F14_IMG_DATA_FORMAT_8_24
;
1687 case PIPE_FORMAT_X8Z24_UNORM
:
1688 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
1689 return V_008F14_IMG_DATA_FORMAT_24_8
;
1690 case PIPE_FORMAT_S8_UINT
:
1691 return V_008F14_IMG_DATA_FORMAT_8
;
1692 case PIPE_FORMAT_Z32_FLOAT
:
1693 return V_008F14_IMG_DATA_FORMAT_32
;
1694 case PIPE_FORMAT_X32_S8X24_UINT
:
1695 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
:
1696 return V_008F14_IMG_DATA_FORMAT_X24_8_32
;
1701 case UTIL_FORMAT_COLORSPACE_YUV
:
1702 goto out_unknown
; /* TODO */
1704 case UTIL_FORMAT_COLORSPACE_SRGB
:
1705 if (desc
->nr_channels
!= 4 && desc
->nr_channels
!= 1)
1713 if (desc
->layout
== UTIL_FORMAT_LAYOUT_RGTC
) {
1714 if (!sscreen
->info
.has_format_bc1_through_bc7
)
1718 case PIPE_FORMAT_RGTC1_SNORM
:
1719 case PIPE_FORMAT_LATC1_SNORM
:
1720 case PIPE_FORMAT_RGTC1_UNORM
:
1721 case PIPE_FORMAT_LATC1_UNORM
:
1722 return V_008F14_IMG_DATA_FORMAT_BC4
;
1723 case PIPE_FORMAT_RGTC2_SNORM
:
1724 case PIPE_FORMAT_LATC2_SNORM
:
1725 case PIPE_FORMAT_RGTC2_UNORM
:
1726 case PIPE_FORMAT_LATC2_UNORM
:
1727 return V_008F14_IMG_DATA_FORMAT_BC5
;
1733 if (desc
->layout
== UTIL_FORMAT_LAYOUT_ETC
&&
1734 (sscreen
->info
.family
== CHIP_STONEY
||
1735 sscreen
->info
.family
== CHIP_VEGA10
||
1736 sscreen
->info
.family
== CHIP_RAVEN
)) {
1738 case PIPE_FORMAT_ETC1_RGB8
:
1739 case PIPE_FORMAT_ETC2_RGB8
:
1740 case PIPE_FORMAT_ETC2_SRGB8
:
1741 return V_008F14_IMG_DATA_FORMAT_ETC2_RGB
;
1742 case PIPE_FORMAT_ETC2_RGB8A1
:
1743 case PIPE_FORMAT_ETC2_SRGB8A1
:
1744 return V_008F14_IMG_DATA_FORMAT_ETC2_RGBA1
;
1745 case PIPE_FORMAT_ETC2_RGBA8
:
1746 case PIPE_FORMAT_ETC2_SRGBA8
:
1747 return V_008F14_IMG_DATA_FORMAT_ETC2_RGBA
;
1748 case PIPE_FORMAT_ETC2_R11_UNORM
:
1749 case PIPE_FORMAT_ETC2_R11_SNORM
:
1750 return V_008F14_IMG_DATA_FORMAT_ETC2_R
;
1751 case PIPE_FORMAT_ETC2_RG11_UNORM
:
1752 case PIPE_FORMAT_ETC2_RG11_SNORM
:
1753 return V_008F14_IMG_DATA_FORMAT_ETC2_RG
;
1759 if (desc
->layout
== UTIL_FORMAT_LAYOUT_BPTC
) {
1760 if (!sscreen
->info
.has_format_bc1_through_bc7
)
1764 case PIPE_FORMAT_BPTC_RGBA_UNORM
:
1765 case PIPE_FORMAT_BPTC_SRGBA
:
1766 return V_008F14_IMG_DATA_FORMAT_BC7
;
1767 case PIPE_FORMAT_BPTC_RGB_FLOAT
:
1768 case PIPE_FORMAT_BPTC_RGB_UFLOAT
:
1769 return V_008F14_IMG_DATA_FORMAT_BC6
;
1775 if (desc
->layout
== UTIL_FORMAT_LAYOUT_SUBSAMPLED
) {
1777 case PIPE_FORMAT_R8G8_B8G8_UNORM
:
1778 case PIPE_FORMAT_G8R8_B8R8_UNORM
:
1779 return V_008F14_IMG_DATA_FORMAT_GB_GR
;
1780 case PIPE_FORMAT_G8R8_G8B8_UNORM
:
1781 case PIPE_FORMAT_R8G8_R8B8_UNORM
:
1782 return V_008F14_IMG_DATA_FORMAT_BG_RG
;
1788 if (desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
1789 if (!sscreen
->info
.has_format_bc1_through_bc7
)
1793 case PIPE_FORMAT_DXT1_RGB
:
1794 case PIPE_FORMAT_DXT1_RGBA
:
1795 case PIPE_FORMAT_DXT1_SRGB
:
1796 case PIPE_FORMAT_DXT1_SRGBA
:
1797 return V_008F14_IMG_DATA_FORMAT_BC1
;
1798 case PIPE_FORMAT_DXT3_RGBA
:
1799 case PIPE_FORMAT_DXT3_SRGBA
:
1800 return V_008F14_IMG_DATA_FORMAT_BC2
;
1801 case PIPE_FORMAT_DXT5_RGBA
:
1802 case PIPE_FORMAT_DXT5_SRGBA
:
1803 return V_008F14_IMG_DATA_FORMAT_BC3
;
1809 if (format
== PIPE_FORMAT_R9G9B9E5_FLOAT
) {
1810 return V_008F14_IMG_DATA_FORMAT_5_9_9_9
;
1811 } else if (format
== PIPE_FORMAT_R11G11B10_FLOAT
) {
1812 return V_008F14_IMG_DATA_FORMAT_10_11_11
;
1815 /* R8G8Bx_SNORM - TODO CxV8U8 */
1817 /* hw cannot support mixed formats (except depth/stencil, since only
1819 if (desc
->is_mixed
&& desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
1822 /* See whether the components are of the same size. */
1823 for (i
= 1; i
< desc
->nr_channels
; i
++) {
1824 uniform
= uniform
&& desc
->channel
[0].size
== desc
->channel
[i
].size
;
1827 /* Non-uniform formats. */
1829 switch(desc
->nr_channels
) {
1831 if (desc
->channel
[0].size
== 5 &&
1832 desc
->channel
[1].size
== 6 &&
1833 desc
->channel
[2].size
== 5) {
1834 return V_008F14_IMG_DATA_FORMAT_5_6_5
;
1838 if (desc
->channel
[0].size
== 5 &&
1839 desc
->channel
[1].size
== 5 &&
1840 desc
->channel
[2].size
== 5 &&
1841 desc
->channel
[3].size
== 1) {
1842 return V_008F14_IMG_DATA_FORMAT_1_5_5_5
;
1844 if (desc
->channel
[0].size
== 1 &&
1845 desc
->channel
[1].size
== 5 &&
1846 desc
->channel
[2].size
== 5 &&
1847 desc
->channel
[3].size
== 5) {
1848 return V_008F14_IMG_DATA_FORMAT_5_5_5_1
;
1850 if (desc
->channel
[0].size
== 10 &&
1851 desc
->channel
[1].size
== 10 &&
1852 desc
->channel
[2].size
== 10 &&
1853 desc
->channel
[3].size
== 2) {
1854 return V_008F14_IMG_DATA_FORMAT_2_10_10_10
;
1861 if (first_non_void
< 0 || first_non_void
> 3)
1864 /* uniform formats */
1865 switch (desc
->channel
[first_non_void
].size
) {
1867 switch (desc
->nr_channels
) {
1868 #if 0 /* Not supported for render targets */
1870 return V_008F14_IMG_DATA_FORMAT_4_4
;
1873 return V_008F14_IMG_DATA_FORMAT_4_4_4_4
;
1877 switch (desc
->nr_channels
) {
1879 return V_008F14_IMG_DATA_FORMAT_8
;
1881 return V_008F14_IMG_DATA_FORMAT_8_8
;
1883 return V_008F14_IMG_DATA_FORMAT_8_8_8_8
;
1887 switch (desc
->nr_channels
) {
1889 return V_008F14_IMG_DATA_FORMAT_16
;
1891 return V_008F14_IMG_DATA_FORMAT_16_16
;
1893 return V_008F14_IMG_DATA_FORMAT_16_16_16_16
;
1897 switch (desc
->nr_channels
) {
1899 return V_008F14_IMG_DATA_FORMAT_32
;
1901 return V_008F14_IMG_DATA_FORMAT_32_32
;
1902 #if 0 /* Not supported for render targets */
1904 return V_008F14_IMG_DATA_FORMAT_32_32_32
;
1907 return V_008F14_IMG_DATA_FORMAT_32_32_32_32
;
1915 static unsigned si_tex_wrap(unsigned wrap
)
1919 case PIPE_TEX_WRAP_REPEAT
:
1920 return V_008F30_SQ_TEX_WRAP
;
1921 case PIPE_TEX_WRAP_CLAMP
:
1922 return V_008F30_SQ_TEX_CLAMP_HALF_BORDER
;
1923 case PIPE_TEX_WRAP_CLAMP_TO_EDGE
:
1924 return V_008F30_SQ_TEX_CLAMP_LAST_TEXEL
;
1925 case PIPE_TEX_WRAP_CLAMP_TO_BORDER
:
1926 return V_008F30_SQ_TEX_CLAMP_BORDER
;
1927 case PIPE_TEX_WRAP_MIRROR_REPEAT
:
1928 return V_008F30_SQ_TEX_MIRROR
;
1929 case PIPE_TEX_WRAP_MIRROR_CLAMP
:
1930 return V_008F30_SQ_TEX_MIRROR_ONCE_HALF_BORDER
;
1931 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE
:
1932 return V_008F30_SQ_TEX_MIRROR_ONCE_LAST_TEXEL
;
1933 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER
:
1934 return V_008F30_SQ_TEX_MIRROR_ONCE_BORDER
;
1938 static unsigned si_tex_mipfilter(unsigned filter
)
1941 case PIPE_TEX_MIPFILTER_NEAREST
:
1942 return V_008F38_SQ_TEX_Z_FILTER_POINT
;
1943 case PIPE_TEX_MIPFILTER_LINEAR
:
1944 return V_008F38_SQ_TEX_Z_FILTER_LINEAR
;
1946 case PIPE_TEX_MIPFILTER_NONE
:
1947 return V_008F38_SQ_TEX_Z_FILTER_NONE
;
1951 static unsigned si_tex_compare(unsigned compare
)
1955 case PIPE_FUNC_NEVER
:
1956 return V_008F30_SQ_TEX_DEPTH_COMPARE_NEVER
;
1957 case PIPE_FUNC_LESS
:
1958 return V_008F30_SQ_TEX_DEPTH_COMPARE_LESS
;
1959 case PIPE_FUNC_EQUAL
:
1960 return V_008F30_SQ_TEX_DEPTH_COMPARE_EQUAL
;
1961 case PIPE_FUNC_LEQUAL
:
1962 return V_008F30_SQ_TEX_DEPTH_COMPARE_LESSEQUAL
;
1963 case PIPE_FUNC_GREATER
:
1964 return V_008F30_SQ_TEX_DEPTH_COMPARE_GREATER
;
1965 case PIPE_FUNC_NOTEQUAL
:
1966 return V_008F30_SQ_TEX_DEPTH_COMPARE_NOTEQUAL
;
1967 case PIPE_FUNC_GEQUAL
:
1968 return V_008F30_SQ_TEX_DEPTH_COMPARE_GREATEREQUAL
;
1969 case PIPE_FUNC_ALWAYS
:
1970 return V_008F30_SQ_TEX_DEPTH_COMPARE_ALWAYS
;
1974 static unsigned si_tex_dim(struct si_screen
*sscreen
, struct si_texture
*tex
,
1975 unsigned view_target
, unsigned nr_samples
)
1977 unsigned res_target
= tex
->buffer
.b
.b
.target
;
1979 if (view_target
== PIPE_TEXTURE_CUBE
||
1980 view_target
== PIPE_TEXTURE_CUBE_ARRAY
)
1981 res_target
= view_target
;
1982 /* If interpreting cubemaps as something else, set 2D_ARRAY. */
1983 else if (res_target
== PIPE_TEXTURE_CUBE
||
1984 res_target
== PIPE_TEXTURE_CUBE_ARRAY
)
1985 res_target
= PIPE_TEXTURE_2D_ARRAY
;
1987 /* GFX9 allocates 1D textures as 2D. */
1988 if ((res_target
== PIPE_TEXTURE_1D
||
1989 res_target
== PIPE_TEXTURE_1D_ARRAY
) &&
1990 sscreen
->info
.chip_class
== GFX9
&&
1991 tex
->surface
.u
.gfx9
.resource_type
== RADEON_RESOURCE_2D
) {
1992 if (res_target
== PIPE_TEXTURE_1D
)
1993 res_target
= PIPE_TEXTURE_2D
;
1995 res_target
= PIPE_TEXTURE_2D_ARRAY
;
1998 switch (res_target
) {
2000 case PIPE_TEXTURE_1D
:
2001 return V_008F1C_SQ_RSRC_IMG_1D
;
2002 case PIPE_TEXTURE_1D_ARRAY
:
2003 return V_008F1C_SQ_RSRC_IMG_1D_ARRAY
;
2004 case PIPE_TEXTURE_2D
:
2005 case PIPE_TEXTURE_RECT
:
2006 return nr_samples
> 1 ? V_008F1C_SQ_RSRC_IMG_2D_MSAA
:
2007 V_008F1C_SQ_RSRC_IMG_2D
;
2008 case PIPE_TEXTURE_2D_ARRAY
:
2009 return nr_samples
> 1 ? V_008F1C_SQ_RSRC_IMG_2D_MSAA_ARRAY
:
2010 V_008F1C_SQ_RSRC_IMG_2D_ARRAY
;
2011 case PIPE_TEXTURE_3D
:
2012 return V_008F1C_SQ_RSRC_IMG_3D
;
2013 case PIPE_TEXTURE_CUBE
:
2014 case PIPE_TEXTURE_CUBE_ARRAY
:
2015 return V_008F1C_SQ_RSRC_IMG_CUBE
;
2020 * Format support testing
2023 static bool si_is_sampler_format_supported(struct pipe_screen
*screen
, enum pipe_format format
)
2025 struct si_screen
*sscreen
= (struct si_screen
*)screen
;
2027 if (sscreen
->info
.chip_class
>= GFX10
) {
2028 const struct gfx10_format
*fmt
= &gfx10_format_table
[format
];
2029 if (!fmt
->img_format
|| fmt
->buffers_only
)
2034 const struct util_format_description
*desc
= util_format_description(format
);
2038 return si_translate_texformat(screen
, format
, desc
,
2039 util_format_get_first_non_void_channel(format
)) != ~0U;
2042 static uint32_t si_translate_buffer_dataformat(struct pipe_screen
*screen
,
2043 const struct util_format_description
*desc
,
2048 assert(((struct si_screen
*)screen
)->info
.chip_class
<= GFX9
);
2050 if (desc
->format
== PIPE_FORMAT_R11G11B10_FLOAT
)
2051 return V_008F0C_BUF_DATA_FORMAT_10_11_11
;
2053 assert(first_non_void
>= 0);
2055 if (desc
->nr_channels
== 4 &&
2056 desc
->channel
[0].size
== 10 &&
2057 desc
->channel
[1].size
== 10 &&
2058 desc
->channel
[2].size
== 10 &&
2059 desc
->channel
[3].size
== 2)
2060 return V_008F0C_BUF_DATA_FORMAT_2_10_10_10
;
2062 /* See whether the components are of the same size. */
2063 for (i
= 0; i
< desc
->nr_channels
; i
++) {
2064 if (desc
->channel
[first_non_void
].size
!= desc
->channel
[i
].size
)
2065 return V_008F0C_BUF_DATA_FORMAT_INVALID
;
2068 switch (desc
->channel
[first_non_void
].size
) {
2070 switch (desc
->nr_channels
) {
2072 case 3: /* 3 loads */
2073 return V_008F0C_BUF_DATA_FORMAT_8
;
2075 return V_008F0C_BUF_DATA_FORMAT_8_8
;
2077 return V_008F0C_BUF_DATA_FORMAT_8_8_8_8
;
2081 switch (desc
->nr_channels
) {
2083 case 3: /* 3 loads */
2084 return V_008F0C_BUF_DATA_FORMAT_16
;
2086 return V_008F0C_BUF_DATA_FORMAT_16_16
;
2088 return V_008F0C_BUF_DATA_FORMAT_16_16_16_16
;
2092 switch (desc
->nr_channels
) {
2094 return V_008F0C_BUF_DATA_FORMAT_32
;
2096 return V_008F0C_BUF_DATA_FORMAT_32_32
;
2098 return V_008F0C_BUF_DATA_FORMAT_32_32_32
;
2100 return V_008F0C_BUF_DATA_FORMAT_32_32_32_32
;
2104 /* Legacy double formats. */
2105 switch (desc
->nr_channels
) {
2106 case 1: /* 1 load */
2107 return V_008F0C_BUF_DATA_FORMAT_32_32
;
2108 case 2: /* 1 load */
2109 return V_008F0C_BUF_DATA_FORMAT_32_32_32_32
;
2110 case 3: /* 3 loads */
2111 return V_008F0C_BUF_DATA_FORMAT_32_32
;
2112 case 4: /* 2 loads */
2113 return V_008F0C_BUF_DATA_FORMAT_32_32_32_32
;
2118 return V_008F0C_BUF_DATA_FORMAT_INVALID
;
2121 static uint32_t si_translate_buffer_numformat(struct pipe_screen
*screen
,
2122 const struct util_format_description
*desc
,
2125 assert(((struct si_screen
*)screen
)->info
.chip_class
<= GFX9
);
2127 if (desc
->format
== PIPE_FORMAT_R11G11B10_FLOAT
)
2128 return V_008F0C_BUF_NUM_FORMAT_FLOAT
;
2130 assert(first_non_void
>= 0);
2132 switch (desc
->channel
[first_non_void
].type
) {
2133 case UTIL_FORMAT_TYPE_SIGNED
:
2134 case UTIL_FORMAT_TYPE_FIXED
:
2135 if (desc
->channel
[first_non_void
].size
>= 32 ||
2136 desc
->channel
[first_non_void
].pure_integer
)
2137 return V_008F0C_BUF_NUM_FORMAT_SINT
;
2138 else if (desc
->channel
[first_non_void
].normalized
)
2139 return V_008F0C_BUF_NUM_FORMAT_SNORM
;
2141 return V_008F0C_BUF_NUM_FORMAT_SSCALED
;
2143 case UTIL_FORMAT_TYPE_UNSIGNED
:
2144 if (desc
->channel
[first_non_void
].size
>= 32 ||
2145 desc
->channel
[first_non_void
].pure_integer
)
2146 return V_008F0C_BUF_NUM_FORMAT_UINT
;
2147 else if (desc
->channel
[first_non_void
].normalized
)
2148 return V_008F0C_BUF_NUM_FORMAT_UNORM
;
2150 return V_008F0C_BUF_NUM_FORMAT_USCALED
;
2152 case UTIL_FORMAT_TYPE_FLOAT
:
2154 return V_008F0C_BUF_NUM_FORMAT_FLOAT
;
2158 static unsigned si_is_vertex_format_supported(struct pipe_screen
*screen
,
2159 enum pipe_format format
,
2162 struct si_screen
*sscreen
= (struct si_screen
*)screen
;
2163 const struct util_format_description
*desc
;
2165 unsigned data_format
;
2167 assert((usage
& ~(PIPE_BIND_SHADER_IMAGE
|
2168 PIPE_BIND_SAMPLER_VIEW
|
2169 PIPE_BIND_VERTEX_BUFFER
)) == 0);
2171 desc
= util_format_description(format
);
2175 /* There are no native 8_8_8 or 16_16_16 data formats, and we currently
2176 * select 8_8_8_8 and 16_16_16_16 instead. This works reasonably well
2177 * for read-only access (with caveats surrounding bounds checks), but
2178 * obviously fails for write access which we have to implement for
2179 * shader images. Luckily, OpenGL doesn't expect this to be supported
2180 * anyway, and so the only impact is on PBO uploads / downloads, which
2181 * shouldn't be expected to be fast for GL_RGB anyway.
2183 if (desc
->block
.bits
== 3 * 8 ||
2184 desc
->block
.bits
== 3 * 16) {
2185 if (usage
& (PIPE_BIND_SHADER_IMAGE
| PIPE_BIND_SAMPLER_VIEW
)) {
2186 usage
&= ~(PIPE_BIND_SHADER_IMAGE
| PIPE_BIND_SAMPLER_VIEW
);
2192 if (sscreen
->info
.chip_class
>= GFX10
) {
2193 const struct gfx10_format
*fmt
= &gfx10_format_table
[format
];
2194 if (!fmt
->img_format
|| fmt
->img_format
>= 128)
2199 first_non_void
= util_format_get_first_non_void_channel(format
);
2200 data_format
= si_translate_buffer_dataformat(screen
, desc
, first_non_void
);
2201 if (data_format
== V_008F0C_BUF_DATA_FORMAT_INVALID
)
2207 static bool si_is_colorbuffer_format_supported(enum pipe_format format
)
2209 return si_translate_colorformat(format
) != V_028C70_COLOR_INVALID
&&
2210 si_translate_colorswap(format
, false) != ~0U;
2213 static bool si_is_zs_format_supported(enum pipe_format format
)
2215 return si_translate_dbformat(format
) != V_028040_Z_INVALID
;
2218 static boolean
si_is_format_supported(struct pipe_screen
*screen
,
2219 enum pipe_format format
,
2220 enum pipe_texture_target target
,
2221 unsigned sample_count
,
2222 unsigned storage_sample_count
,
2225 struct si_screen
*sscreen
= (struct si_screen
*)screen
;
2226 unsigned retval
= 0;
2228 if (target
>= PIPE_MAX_TEXTURE_TYPES
) {
2229 PRINT_ERR("radeonsi: unsupported texture type %d\n", target
);
2233 if (MAX2(1, sample_count
) < MAX2(1, storage_sample_count
))
2236 if (sample_count
> 1) {
2237 if (!screen
->get_param(screen
, PIPE_CAP_TEXTURE_MULTISAMPLE
))
2240 if (usage
& PIPE_BIND_SHADER_IMAGE
)
2243 /* Only power-of-two sample counts are supported. */
2244 if (!util_is_power_of_two_or_zero(sample_count
) ||
2245 !util_is_power_of_two_or_zero(storage_sample_count
))
2248 /* MSAA support without framebuffer attachments. */
2249 if (format
== PIPE_FORMAT_NONE
&& sample_count
<= 16)
2252 if (!sscreen
->info
.has_eqaa_surface_allocator
||
2253 util_format_is_depth_or_stencil(format
)) {
2254 /* Color without EQAA or depth/stencil. */
2255 if (sample_count
> 8 ||
2256 sample_count
!= storage_sample_count
)
2259 /* Color with EQAA. */
2260 if (sample_count
> 16 ||
2261 storage_sample_count
> 8)
2266 if (usage
& (PIPE_BIND_SAMPLER_VIEW
|
2267 PIPE_BIND_SHADER_IMAGE
)) {
2268 if (target
== PIPE_BUFFER
) {
2269 retval
|= si_is_vertex_format_supported(
2270 screen
, format
, usage
& (PIPE_BIND_SAMPLER_VIEW
|
2271 PIPE_BIND_SHADER_IMAGE
));
2273 if (si_is_sampler_format_supported(screen
, format
))
2274 retval
|= usage
& (PIPE_BIND_SAMPLER_VIEW
|
2275 PIPE_BIND_SHADER_IMAGE
);
2279 if ((usage
& (PIPE_BIND_RENDER_TARGET
|
2280 PIPE_BIND_DISPLAY_TARGET
|
2283 PIPE_BIND_BLENDABLE
)) &&
2284 si_is_colorbuffer_format_supported(format
)) {
2286 (PIPE_BIND_RENDER_TARGET
|
2287 PIPE_BIND_DISPLAY_TARGET
|
2290 if (!util_format_is_pure_integer(format
) &&
2291 !util_format_is_depth_or_stencil(format
))
2292 retval
|= usage
& PIPE_BIND_BLENDABLE
;
2295 if ((usage
& PIPE_BIND_DEPTH_STENCIL
) &&
2296 si_is_zs_format_supported(format
)) {
2297 retval
|= PIPE_BIND_DEPTH_STENCIL
;
2300 if (usage
& PIPE_BIND_VERTEX_BUFFER
) {
2301 retval
|= si_is_vertex_format_supported(screen
, format
,
2302 PIPE_BIND_VERTEX_BUFFER
);
2305 if ((usage
& PIPE_BIND_LINEAR
) &&
2306 !util_format_is_compressed(format
) &&
2307 !(usage
& PIPE_BIND_DEPTH_STENCIL
))
2308 retval
|= PIPE_BIND_LINEAR
;
2310 return retval
== usage
;
2314 * framebuffer handling
2317 static void si_choose_spi_color_formats(struct si_surface
*surf
,
2318 unsigned format
, unsigned swap
,
2319 unsigned ntype
, bool is_depth
)
2321 /* Alpha is needed for alpha-to-coverage.
2322 * Blending may be with or without alpha.
2324 unsigned normal
= 0; /* most optimal, may not support blending or export alpha */
2325 unsigned alpha
= 0; /* exports alpha, but may not support blending */
2326 unsigned blend
= 0; /* supports blending, but may not export alpha */
2327 unsigned blend_alpha
= 0; /* least optimal, supports blending and exports alpha */
2329 /* Choose the SPI color formats. These are required values for RB+.
2330 * Other chips have multiple choices, though they are not necessarily better.
2333 case V_028C70_COLOR_5_6_5
:
2334 case V_028C70_COLOR_1_5_5_5
:
2335 case V_028C70_COLOR_5_5_5_1
:
2336 case V_028C70_COLOR_4_4_4_4
:
2337 case V_028C70_COLOR_10_11_11
:
2338 case V_028C70_COLOR_11_11_10
:
2339 case V_028C70_COLOR_8
:
2340 case V_028C70_COLOR_8_8
:
2341 case V_028C70_COLOR_8_8_8_8
:
2342 case V_028C70_COLOR_10_10_10_2
:
2343 case V_028C70_COLOR_2_10_10_10
:
2344 if (ntype
== V_028C70_NUMBER_UINT
)
2345 alpha
= blend
= blend_alpha
= normal
= V_028714_SPI_SHADER_UINT16_ABGR
;
2346 else if (ntype
== V_028C70_NUMBER_SINT
)
2347 alpha
= blend
= blend_alpha
= normal
= V_028714_SPI_SHADER_SINT16_ABGR
;
2349 alpha
= blend
= blend_alpha
= normal
= V_028714_SPI_SHADER_FP16_ABGR
;
2352 case V_028C70_COLOR_16
:
2353 case V_028C70_COLOR_16_16
:
2354 case V_028C70_COLOR_16_16_16_16
:
2355 if (ntype
== V_028C70_NUMBER_UNORM
||
2356 ntype
== V_028C70_NUMBER_SNORM
) {
2357 /* UNORM16 and SNORM16 don't support blending */
2358 if (ntype
== V_028C70_NUMBER_UNORM
)
2359 normal
= alpha
= V_028714_SPI_SHADER_UNORM16_ABGR
;
2361 normal
= alpha
= V_028714_SPI_SHADER_SNORM16_ABGR
;
2363 /* Use 32 bits per channel for blending. */
2364 if (format
== V_028C70_COLOR_16
) {
2365 if (swap
== V_028C70_SWAP_STD
) { /* R */
2366 blend
= V_028714_SPI_SHADER_32_R
;
2367 blend_alpha
= V_028714_SPI_SHADER_32_AR
;
2368 } else if (swap
== V_028C70_SWAP_ALT_REV
) /* A */
2369 blend
= blend_alpha
= V_028714_SPI_SHADER_32_AR
;
2372 } else if (format
== V_028C70_COLOR_16_16
) {
2373 if (swap
== V_028C70_SWAP_STD
) { /* RG */
2374 blend
= V_028714_SPI_SHADER_32_GR
;
2375 blend_alpha
= V_028714_SPI_SHADER_32_ABGR
;
2376 } else if (swap
== V_028C70_SWAP_ALT
) /* RA */
2377 blend
= blend_alpha
= V_028714_SPI_SHADER_32_AR
;
2380 } else /* 16_16_16_16 */
2381 blend
= blend_alpha
= V_028714_SPI_SHADER_32_ABGR
;
2382 } else if (ntype
== V_028C70_NUMBER_UINT
)
2383 alpha
= blend
= blend_alpha
= normal
= V_028714_SPI_SHADER_UINT16_ABGR
;
2384 else if (ntype
== V_028C70_NUMBER_SINT
)
2385 alpha
= blend
= blend_alpha
= normal
= V_028714_SPI_SHADER_SINT16_ABGR
;
2386 else if (ntype
== V_028C70_NUMBER_FLOAT
)
2387 alpha
= blend
= blend_alpha
= normal
= V_028714_SPI_SHADER_FP16_ABGR
;
2392 case V_028C70_COLOR_32
:
2393 if (swap
== V_028C70_SWAP_STD
) { /* R */
2394 blend
= normal
= V_028714_SPI_SHADER_32_R
;
2395 alpha
= blend_alpha
= V_028714_SPI_SHADER_32_AR
;
2396 } else if (swap
== V_028C70_SWAP_ALT_REV
) /* A */
2397 alpha
= blend
= blend_alpha
= normal
= V_028714_SPI_SHADER_32_AR
;
2402 case V_028C70_COLOR_32_32
:
2403 if (swap
== V_028C70_SWAP_STD
) { /* RG */
2404 blend
= normal
= V_028714_SPI_SHADER_32_GR
;
2405 alpha
= blend_alpha
= V_028714_SPI_SHADER_32_ABGR
;
2406 } else if (swap
== V_028C70_SWAP_ALT
) /* RA */
2407 alpha
= blend
= blend_alpha
= normal
= V_028714_SPI_SHADER_32_AR
;
2412 case V_028C70_COLOR_32_32_32_32
:
2413 case V_028C70_COLOR_8_24
:
2414 case V_028C70_COLOR_24_8
:
2415 case V_028C70_COLOR_X24_8_32_FLOAT
:
2416 alpha
= blend
= blend_alpha
= normal
= V_028714_SPI_SHADER_32_ABGR
;
2424 /* The DB->CB copy needs 32_ABGR. */
2426 alpha
= blend
= blend_alpha
= normal
= V_028714_SPI_SHADER_32_ABGR
;
2428 surf
->spi_shader_col_format
= normal
;
2429 surf
->spi_shader_col_format_alpha
= alpha
;
2430 surf
->spi_shader_col_format_blend
= blend
;
2431 surf
->spi_shader_col_format_blend_alpha
= blend_alpha
;
2434 static void si_initialize_color_surface(struct si_context
*sctx
,
2435 struct si_surface
*surf
)
2437 struct si_texture
*tex
= (struct si_texture
*)surf
->base
.texture
;
2438 unsigned color_info
, color_attrib
;
2439 unsigned format
, swap
, ntype
, endian
;
2440 const struct util_format_description
*desc
;
2442 unsigned blend_clamp
= 0, blend_bypass
= 0;
2444 desc
= util_format_description(surf
->base
.format
);
2445 for (firstchan
= 0; firstchan
< 4; firstchan
++) {
2446 if (desc
->channel
[firstchan
].type
!= UTIL_FORMAT_TYPE_VOID
) {
2450 if (firstchan
== 4 || desc
->channel
[firstchan
].type
== UTIL_FORMAT_TYPE_FLOAT
) {
2451 ntype
= V_028C70_NUMBER_FLOAT
;
2453 ntype
= V_028C70_NUMBER_UNORM
;
2454 if (desc
->colorspace
== UTIL_FORMAT_COLORSPACE_SRGB
)
2455 ntype
= V_028C70_NUMBER_SRGB
;
2456 else if (desc
->channel
[firstchan
].type
== UTIL_FORMAT_TYPE_SIGNED
) {
2457 if (desc
->channel
[firstchan
].pure_integer
) {
2458 ntype
= V_028C70_NUMBER_SINT
;
2460 assert(desc
->channel
[firstchan
].normalized
);
2461 ntype
= V_028C70_NUMBER_SNORM
;
2463 } else if (desc
->channel
[firstchan
].type
== UTIL_FORMAT_TYPE_UNSIGNED
) {
2464 if (desc
->channel
[firstchan
].pure_integer
) {
2465 ntype
= V_028C70_NUMBER_UINT
;
2467 assert(desc
->channel
[firstchan
].normalized
);
2468 ntype
= V_028C70_NUMBER_UNORM
;
2473 format
= si_translate_colorformat(surf
->base
.format
);
2474 if (format
== V_028C70_COLOR_INVALID
) {
2475 PRINT_ERR("Invalid CB format: %d, disabling CB.\n", surf
->base
.format
);
2477 assert(format
!= V_028C70_COLOR_INVALID
);
2478 swap
= si_translate_colorswap(surf
->base
.format
, false);
2479 endian
= si_colorformat_endian_swap(format
);
2481 /* blend clamp should be set for all NORM/SRGB types */
2482 if (ntype
== V_028C70_NUMBER_UNORM
||
2483 ntype
== V_028C70_NUMBER_SNORM
||
2484 ntype
== V_028C70_NUMBER_SRGB
)
2487 /* set blend bypass according to docs if SINT/UINT or
2488 8/24 COLOR variants */
2489 if (ntype
== V_028C70_NUMBER_UINT
|| ntype
== V_028C70_NUMBER_SINT
||
2490 format
== V_028C70_COLOR_8_24
|| format
== V_028C70_COLOR_24_8
||
2491 format
== V_028C70_COLOR_X24_8_32_FLOAT
) {
2496 if (ntype
== V_028C70_NUMBER_UINT
|| ntype
== V_028C70_NUMBER_SINT
) {
2497 if (format
== V_028C70_COLOR_8
||
2498 format
== V_028C70_COLOR_8_8
||
2499 format
== V_028C70_COLOR_8_8_8_8
)
2500 surf
->color_is_int8
= true;
2501 else if (format
== V_028C70_COLOR_10_10_10_2
||
2502 format
== V_028C70_COLOR_2_10_10_10
)
2503 surf
->color_is_int10
= true;
2506 color_info
= S_028C70_FORMAT(format
) |
2507 S_028C70_COMP_SWAP(swap
) |
2508 S_028C70_BLEND_CLAMP(blend_clamp
) |
2509 S_028C70_BLEND_BYPASS(blend_bypass
) |
2510 S_028C70_SIMPLE_FLOAT(1) |
2511 S_028C70_ROUND_MODE(ntype
!= V_028C70_NUMBER_UNORM
&&
2512 ntype
!= V_028C70_NUMBER_SNORM
&&
2513 ntype
!= V_028C70_NUMBER_SRGB
&&
2514 format
!= V_028C70_COLOR_8_24
&&
2515 format
!= V_028C70_COLOR_24_8
) |
2516 S_028C70_NUMBER_TYPE(ntype
) |
2517 S_028C70_ENDIAN(endian
);
2519 /* Intensity is implemented as Red, so treat it that way. */
2520 color_attrib
= S_028C74_FORCE_DST_ALPHA_1(desc
->swizzle
[3] == PIPE_SWIZZLE_1
||
2521 util_format_is_intensity(surf
->base
.format
));
2523 if (tex
->buffer
.b
.b
.nr_samples
> 1) {
2524 unsigned log_samples
= util_logbase2(tex
->buffer
.b
.b
.nr_samples
);
2525 unsigned log_fragments
= util_logbase2(tex
->buffer
.b
.b
.nr_storage_samples
);
2527 color_attrib
|= S_028C74_NUM_SAMPLES(log_samples
) |
2528 S_028C74_NUM_FRAGMENTS(log_fragments
);
2530 if (tex
->fmask_offset
) {
2531 color_info
|= S_028C70_COMPRESSION(1);
2532 unsigned fmask_bankh
= util_logbase2(tex
->surface
.u
.legacy
.fmask
.bankh
);
2534 if (sctx
->chip_class
== GFX6
) {
2535 /* due to a hw bug, FMASK_BANK_HEIGHT must be set on GFX6 too */
2536 color_attrib
|= S_028C74_FMASK_BANK_HEIGHT(fmask_bankh
);
2541 if (sctx
->chip_class
>= GFX10
) {
2542 unsigned min_compressed_block_size
= V_028C78_MIN_BLOCK_SIZE_32B
;
2544 /* amdvlk: [min-compressed-block-size] should be set to 32 for dGPU and
2545 64 for APU because all of our APUs to date use DIMMs which have
2546 a request granularity size of 64B while all other chips have a
2548 if (!sctx
->screen
->info
.has_dedicated_vram
)
2549 min_compressed_block_size
= V_028C78_MIN_BLOCK_SIZE_64B
;
2551 surf
->cb_dcc_control
=
2552 S_028C78_MAX_UNCOMPRESSED_BLOCK_SIZE(V_028C78_MAX_BLOCK_SIZE_256B
) |
2553 S_028C78_MAX_COMPRESSED_BLOCK_SIZE(V_028C78_MAX_BLOCK_SIZE_128B
) |
2554 S_028C78_MIN_COMPRESSED_BLOCK_SIZE(min_compressed_block_size
) |
2555 S_028C78_INDEPENDENT_64B_BLOCKS(0) |
2556 S_028C78_INDEPENDENT_128B_BLOCKS(1);
2557 } else if (sctx
->chip_class
>= GFX8
) {
2558 unsigned max_uncompressed_block_size
= V_028C78_MAX_BLOCK_SIZE_256B
;
2559 unsigned min_compressed_block_size
= V_028C78_MIN_BLOCK_SIZE_32B
;
2561 /* amdvlk: [min-compressed-block-size] should be set to 32 for dGPU and
2562 64 for APU because all of our APUs to date use DIMMs which have
2563 a request granularity size of 64B while all other chips have a
2565 if (!sctx
->screen
->info
.has_dedicated_vram
)
2566 min_compressed_block_size
= V_028C78_MIN_BLOCK_SIZE_64B
;
2568 if (tex
->buffer
.b
.b
.nr_storage_samples
> 1) {
2569 if (tex
->surface
.bpe
== 1)
2570 max_uncompressed_block_size
= V_028C78_MAX_BLOCK_SIZE_64B
;
2571 else if (tex
->surface
.bpe
== 2)
2572 max_uncompressed_block_size
= V_028C78_MAX_BLOCK_SIZE_128B
;
2575 surf
->cb_dcc_control
= S_028C78_MAX_UNCOMPRESSED_BLOCK_SIZE(max_uncompressed_block_size
) |
2576 S_028C78_MIN_COMPRESSED_BLOCK_SIZE(min_compressed_block_size
) |
2577 S_028C78_INDEPENDENT_64B_BLOCKS(1);
2580 /* This must be set for fast clear to work without FMASK. */
2581 if (!tex
->surface
.fmask_size
&& sctx
->chip_class
== GFX6
) {
2582 unsigned bankh
= util_logbase2(tex
->surface
.u
.legacy
.bankh
);
2583 color_attrib
|= S_028C74_FMASK_BANK_HEIGHT(bankh
);
2586 /* GFX10 field has the same base shift as the GFX6 field */
2587 unsigned color_view
= S_028C6C_SLICE_START(surf
->base
.u
.tex
.first_layer
) |
2588 S_028C6C_SLICE_MAX_GFX10(surf
->base
.u
.tex
.last_layer
);
2589 unsigned mip0_depth
= util_max_layer(&tex
->buffer
.b
.b
, 0);
2591 if (sctx
->chip_class
>= GFX10
) {
2592 color_view
|= S_028C6C_MIP_LEVEL_GFX10(surf
->base
.u
.tex
.level
);
2594 surf
->cb_color_attrib3
= S_028EE0_MIP0_DEPTH(mip0_depth
) |
2595 S_028EE0_RESOURCE_TYPE(tex
->surface
.u
.gfx9
.resource_type
) |
2596 S_028EE0_RESOURCE_LEVEL(1);
2597 } else if (sctx
->chip_class
== GFX9
) {
2598 color_view
|= S_028C6C_MIP_LEVEL_GFX9(surf
->base
.u
.tex
.level
);
2599 color_attrib
|= S_028C74_MIP0_DEPTH(mip0_depth
) |
2600 S_028C74_RESOURCE_TYPE(tex
->surface
.u
.gfx9
.resource_type
);
2603 if (sctx
->chip_class
>= GFX9
) {
2604 surf
->cb_color_attrib2
= S_028C68_MIP0_WIDTH(surf
->width0
- 1) |
2605 S_028C68_MIP0_HEIGHT(surf
->height0
- 1) |
2606 S_028C68_MAX_MIP(tex
->buffer
.b
.b
.last_level
);
2609 surf
->cb_color_view
= color_view
;
2610 surf
->cb_color_info
= color_info
;
2611 surf
->cb_color_attrib
= color_attrib
;
2613 /* Determine pixel shader export format */
2614 si_choose_spi_color_formats(surf
, format
, swap
, ntype
, tex
->is_depth
);
2616 surf
->color_initialized
= true;
2619 static void si_init_depth_surface(struct si_context
*sctx
,
2620 struct si_surface
*surf
)
2622 struct si_texture
*tex
= (struct si_texture
*)surf
->base
.texture
;
2623 unsigned level
= surf
->base
.u
.tex
.level
;
2624 unsigned format
, stencil_format
;
2625 uint32_t z_info
, s_info
;
2627 format
= si_translate_dbformat(tex
->db_render_format
);
2628 stencil_format
= tex
->surface
.has_stencil
?
2629 V_028044_STENCIL_8
: V_028044_STENCIL_INVALID
;
2631 assert(format
!= V_028040_Z_INVALID
);
2632 if (format
== V_028040_Z_INVALID
)
2633 PRINT_ERR("Invalid DB format: %d, disabling DB.\n", tex
->buffer
.b
.b
.format
);
2635 surf
->db_depth_view
= S_028008_SLICE_START(surf
->base
.u
.tex
.first_layer
) |
2636 S_028008_SLICE_MAX(surf
->base
.u
.tex
.last_layer
);
2637 surf
->db_htile_data_base
= 0;
2638 surf
->db_htile_surface
= 0;
2640 if (sctx
->chip_class
>= GFX10
) {
2641 surf
->db_depth_view
|= S_028008_SLICE_START_HI(surf
->base
.u
.tex
.first_layer
>> 11) |
2642 S_028008_SLICE_MAX_HI(surf
->base
.u
.tex
.last_layer
>> 11);
2645 if (sctx
->chip_class
>= GFX9
) {
2646 assert(tex
->surface
.u
.gfx9
.surf_offset
== 0);
2647 surf
->db_depth_base
= tex
->buffer
.gpu_address
>> 8;
2648 surf
->db_stencil_base
= (tex
->buffer
.gpu_address
+
2649 tex
->surface
.u
.gfx9
.stencil_offset
) >> 8;
2650 z_info
= S_028038_FORMAT(format
) |
2651 S_028038_NUM_SAMPLES(util_logbase2(tex
->buffer
.b
.b
.nr_samples
)) |
2652 S_028038_SW_MODE(tex
->surface
.u
.gfx9
.surf
.swizzle_mode
) |
2653 S_028038_MAXMIP(tex
->buffer
.b
.b
.last_level
);
2654 s_info
= S_02803C_FORMAT(stencil_format
) |
2655 S_02803C_SW_MODE(tex
->surface
.u
.gfx9
.stencil
.swizzle_mode
);
2657 if (sctx
->chip_class
== GFX9
) {
2658 surf
->db_z_info2
= S_028068_EPITCH(tex
->surface
.u
.gfx9
.surf
.epitch
);
2659 surf
->db_stencil_info2
= S_02806C_EPITCH(tex
->surface
.u
.gfx9
.stencil
.epitch
);
2661 surf
->db_depth_view
|= S_028008_MIPID(level
);
2662 surf
->db_depth_size
= S_02801C_X_MAX(tex
->buffer
.b
.b
.width0
- 1) |
2663 S_02801C_Y_MAX(tex
->buffer
.b
.b
.height0
- 1);
2665 if (si_htile_enabled(tex
, level
, PIPE_MASK_ZS
)) {
2666 z_info
|= S_028038_TILE_SURFACE_ENABLE(1) |
2667 S_028038_ALLOW_EXPCLEAR(1);
2669 if (tex
->tc_compatible_htile
) {
2670 unsigned max_zplanes
= 4;
2672 if (tex
->db_render_format
== PIPE_FORMAT_Z16_UNORM
&&
2673 tex
->buffer
.b
.b
.nr_samples
> 1)
2676 z_info
|= S_028038_DECOMPRESS_ON_N_ZPLANES(max_zplanes
+ 1);
2678 if (sctx
->chip_class
>= GFX10
) {
2679 z_info
|= S_028040_ITERATE_FLUSH(1);
2680 s_info
|= S_028044_ITERATE_FLUSH(!tex
->htile_stencil_disabled
);
2682 z_info
|= S_028038_ITERATE_FLUSH(1);
2683 s_info
|= S_02803C_ITERATE_FLUSH(1);
2687 if (tex
->surface
.has_stencil
&& !tex
->htile_stencil_disabled
) {
2688 /* Stencil buffer workaround ported from the GFX6-GFX8 code.
2689 * See that for explanation.
2691 s_info
|= S_02803C_ALLOW_EXPCLEAR(tex
->buffer
.b
.b
.nr_samples
<= 1);
2693 /* Use all HTILE for depth if there's no stencil. */
2694 s_info
|= S_02803C_TILE_STENCIL_DISABLE(1);
2697 surf
->db_htile_data_base
= (tex
->buffer
.gpu_address
+
2698 tex
->htile_offset
) >> 8;
2699 surf
->db_htile_surface
= S_028ABC_FULL_CACHE(1) |
2700 S_028ABC_PIPE_ALIGNED(tex
->surface
.u
.gfx9
.htile
.pipe_aligned
);
2701 if (sctx
->chip_class
== GFX9
) {
2702 surf
->db_htile_surface
|=
2703 S_028ABC_RB_ALIGNED(tex
->surface
.u
.gfx9
.htile
.rb_aligned
);
2708 struct legacy_surf_level
*levelinfo
= &tex
->surface
.u
.legacy
.level
[level
];
2710 assert(levelinfo
->nblk_x
% 8 == 0 && levelinfo
->nblk_y
% 8 == 0);
2712 surf
->db_depth_base
= (tex
->buffer
.gpu_address
+
2713 tex
->surface
.u
.legacy
.level
[level
].offset
) >> 8;
2714 surf
->db_stencil_base
= (tex
->buffer
.gpu_address
+
2715 tex
->surface
.u
.legacy
.stencil_level
[level
].offset
) >> 8;
2717 z_info
= S_028040_FORMAT(format
) |
2718 S_028040_NUM_SAMPLES(util_logbase2(tex
->buffer
.b
.b
.nr_samples
));
2719 s_info
= S_028044_FORMAT(stencil_format
);
2720 surf
->db_depth_info
= S_02803C_ADDR5_SWIZZLE_MASK(!tex
->tc_compatible_htile
);
2722 if (sctx
->chip_class
>= GFX7
) {
2723 struct radeon_info
*info
= &sctx
->screen
->info
;
2724 unsigned index
= tex
->surface
.u
.legacy
.tiling_index
[level
];
2725 unsigned stencil_index
= tex
->surface
.u
.legacy
.stencil_tiling_index
[level
];
2726 unsigned macro_index
= tex
->surface
.u
.legacy
.macro_tile_index
;
2727 unsigned tile_mode
= info
->si_tile_mode_array
[index
];
2728 unsigned stencil_tile_mode
= info
->si_tile_mode_array
[stencil_index
];
2729 unsigned macro_mode
= info
->cik_macrotile_mode_array
[macro_index
];
2731 surf
->db_depth_info
|=
2732 S_02803C_ARRAY_MODE(G_009910_ARRAY_MODE(tile_mode
)) |
2733 S_02803C_PIPE_CONFIG(G_009910_PIPE_CONFIG(tile_mode
)) |
2734 S_02803C_BANK_WIDTH(G_009990_BANK_WIDTH(macro_mode
)) |
2735 S_02803C_BANK_HEIGHT(G_009990_BANK_HEIGHT(macro_mode
)) |
2736 S_02803C_MACRO_TILE_ASPECT(G_009990_MACRO_TILE_ASPECT(macro_mode
)) |
2737 S_02803C_NUM_BANKS(G_009990_NUM_BANKS(macro_mode
));
2738 z_info
|= S_028040_TILE_SPLIT(G_009910_TILE_SPLIT(tile_mode
));
2739 s_info
|= S_028044_TILE_SPLIT(G_009910_TILE_SPLIT(stencil_tile_mode
));
2741 unsigned tile_mode_index
= si_tile_mode_index(tex
, level
, false);
2742 z_info
|= S_028040_TILE_MODE_INDEX(tile_mode_index
);
2743 tile_mode_index
= si_tile_mode_index(tex
, level
, true);
2744 s_info
|= S_028044_TILE_MODE_INDEX(tile_mode_index
);
2747 surf
->db_depth_size
= S_028058_PITCH_TILE_MAX((levelinfo
->nblk_x
/ 8) - 1) |
2748 S_028058_HEIGHT_TILE_MAX((levelinfo
->nblk_y
/ 8) - 1);
2749 surf
->db_depth_slice
= S_02805C_SLICE_TILE_MAX((levelinfo
->nblk_x
*
2750 levelinfo
->nblk_y
) / 64 - 1);
2752 if (si_htile_enabled(tex
, level
, PIPE_MASK_ZS
)) {
2753 z_info
|= S_028040_TILE_SURFACE_ENABLE(1) |
2754 S_028040_ALLOW_EXPCLEAR(1);
2756 if (tex
->surface
.has_stencil
) {
2757 /* Workaround: For a not yet understood reason, the
2758 * combination of MSAA, fast stencil clear and stencil
2759 * decompress messes with subsequent stencil buffer
2760 * uses. Problem was reproduced on Verde, Bonaire,
2761 * Tonga, and Carrizo.
2763 * Disabling EXPCLEAR works around the problem.
2765 * Check piglit's arb_texture_multisample-stencil-clear
2766 * test if you want to try changing this.
2768 if (tex
->buffer
.b
.b
.nr_samples
<= 1)
2769 s_info
|= S_028044_ALLOW_EXPCLEAR(1);
2770 } else if (!tex
->tc_compatible_htile
) {
2771 /* Use all of the htile_buffer for depth if there's no stencil.
2772 * This must not be set when TC-compatible HTILE is enabled
2775 s_info
|= S_028044_TILE_STENCIL_DISABLE(1);
2778 surf
->db_htile_data_base
= (tex
->buffer
.gpu_address
+
2779 tex
->htile_offset
) >> 8;
2780 surf
->db_htile_surface
= S_028ABC_FULL_CACHE(1);
2782 if (tex
->tc_compatible_htile
) {
2783 surf
->db_htile_surface
|= S_028ABC_TC_COMPATIBLE(1);
2785 /* 0 = full compression. N = only compress up to N-1 Z planes. */
2786 if (tex
->buffer
.b
.b
.nr_samples
<= 1)
2787 z_info
|= S_028040_DECOMPRESS_ON_N_ZPLANES(5);
2788 else if (tex
->buffer
.b
.b
.nr_samples
<= 4)
2789 z_info
|= S_028040_DECOMPRESS_ON_N_ZPLANES(3);
2791 z_info
|= S_028040_DECOMPRESS_ON_N_ZPLANES(2);
2796 surf
->db_z_info
= z_info
;
2797 surf
->db_stencil_info
= s_info
;
2799 surf
->depth_initialized
= true;
2802 void si_update_fb_dirtiness_after_rendering(struct si_context
*sctx
)
2804 if (sctx
->decompression_enabled
)
2807 if (sctx
->framebuffer
.state
.zsbuf
) {
2808 struct pipe_surface
*surf
= sctx
->framebuffer
.state
.zsbuf
;
2809 struct si_texture
*tex
= (struct si_texture
*)surf
->texture
;
2811 tex
->dirty_level_mask
|= 1 << surf
->u
.tex
.level
;
2813 if (tex
->surface
.has_stencil
)
2814 tex
->stencil_dirty_level_mask
|= 1 << surf
->u
.tex
.level
;
2817 unsigned compressed_cb_mask
= sctx
->framebuffer
.compressed_cb_mask
;
2818 while (compressed_cb_mask
) {
2819 unsigned i
= u_bit_scan(&compressed_cb_mask
);
2820 struct pipe_surface
*surf
= sctx
->framebuffer
.state
.cbufs
[i
];
2821 struct si_texture
*tex
= (struct si_texture
*)surf
->texture
;
2823 if (tex
->fmask_offset
)
2824 tex
->dirty_level_mask
|= 1 << surf
->u
.tex
.level
;
2825 if (tex
->dcc_gather_statistics
)
2826 tex
->separate_dcc_dirty
= true;
2830 static void si_dec_framebuffer_counters(const struct pipe_framebuffer_state
*state
)
2832 for (int i
= 0; i
< state
->nr_cbufs
; ++i
) {
2833 struct si_surface
*surf
= NULL
;
2834 struct si_texture
*tex
;
2836 if (!state
->cbufs
[i
])
2838 surf
= (struct si_surface
*)state
->cbufs
[i
];
2839 tex
= (struct si_texture
*)surf
->base
.texture
;
2841 p_atomic_dec(&tex
->framebuffers_bound
);
2845 static void si_set_framebuffer_state(struct pipe_context
*ctx
,
2846 const struct pipe_framebuffer_state
*state
)
2848 struct si_context
*sctx
= (struct si_context
*)ctx
;
2849 struct si_surface
*surf
= NULL
;
2850 struct si_texture
*tex
;
2851 bool old_any_dst_linear
= sctx
->framebuffer
.any_dst_linear
;
2852 unsigned old_nr_samples
= sctx
->framebuffer
.nr_samples
;
2853 unsigned old_colorbuf_enabled_4bit
= sctx
->framebuffer
.colorbuf_enabled_4bit
;
2854 bool old_has_zsbuf
= !!sctx
->framebuffer
.state
.zsbuf
;
2855 bool old_has_stencil
=
2857 ((struct si_texture
*)sctx
->framebuffer
.state
.zsbuf
->texture
)->surface
.has_stencil
;
2858 bool unbound
= false;
2861 /* Reject zero-sized framebuffers due to a hw bug on GFX6 that occurs
2862 * when PA_SU_HARDWARE_SCREEN_OFFSET != 0 and any_scissor.BR_X/Y <= 0.
2863 * We could implement the full workaround here, but it's a useless case.
2865 if ((!state
->width
|| !state
->height
) && (state
->nr_cbufs
|| state
->zsbuf
)) {
2866 unreachable("the framebuffer shouldn't have zero area");
2870 si_update_fb_dirtiness_after_rendering(sctx
);
2872 for (i
= 0; i
< sctx
->framebuffer
.state
.nr_cbufs
; i
++) {
2873 if (!sctx
->framebuffer
.state
.cbufs
[i
])
2876 tex
= (struct si_texture
*)sctx
->framebuffer
.state
.cbufs
[i
]->texture
;
2877 if (tex
->dcc_gather_statistics
)
2878 vi_separate_dcc_stop_query(sctx
, tex
);
2881 /* Disable DCC if the formats are incompatible. */
2882 for (i
= 0; i
< state
->nr_cbufs
; i
++) {
2883 if (!state
->cbufs
[i
])
2886 surf
= (struct si_surface
*)state
->cbufs
[i
];
2887 tex
= (struct si_texture
*)surf
->base
.texture
;
2889 if (!surf
->dcc_incompatible
)
2892 /* Since the DCC decompression calls back into set_framebuffer-
2893 * _state, we need to unbind the framebuffer, so that
2894 * vi_separate_dcc_stop_query isn't called twice with the same
2898 util_copy_framebuffer_state(&sctx
->framebuffer
.state
, NULL
);
2902 if (vi_dcc_enabled(tex
, surf
->base
.u
.tex
.level
))
2903 if (!si_texture_disable_dcc(sctx
, tex
))
2904 si_decompress_dcc(sctx
, tex
);
2906 surf
->dcc_incompatible
= false;
2909 /* Only flush TC when changing the framebuffer state, because
2910 * the only client not using TC that can change textures is
2913 * Wait for compute shaders because of possible transitions:
2914 * - FB write -> shader read
2915 * - shader write -> FB read
2917 * DB caches are flushed on demand (using si_decompress_textures).
2919 * When MSAA is enabled, CB and TC caches are flushed on demand
2920 * (after FMASK decompression). Shader write -> FB read transitions
2921 * cannot happen for MSAA textures, because MSAA shader images are
2924 * Only flush and wait for CB if there is actually a bound color buffer.
2926 if (sctx
->framebuffer
.uncompressed_cb_mask
) {
2927 si_make_CB_shader_coherent(sctx
, sctx
->framebuffer
.nr_samples
,
2928 sctx
->framebuffer
.CB_has_shader_readable_metadata
,
2929 sctx
->framebuffer
.all_DCC_pipe_aligned
);
2932 sctx
->flags
|= SI_CONTEXT_CS_PARTIAL_FLUSH
;
2934 /* u_blitter doesn't invoke depth decompression when it does multiple
2935 * blits in a row, but the only case when it matters for DB is when
2936 * doing generate_mipmap. So here we flush DB manually between
2937 * individual generate_mipmap blits.
2938 * Note that lower mipmap levels aren't compressed.
2940 if (sctx
->generate_mipmap_for_depth
) {
2941 si_make_DB_shader_coherent(sctx
, 1, false,
2942 sctx
->framebuffer
.DB_has_shader_readable_metadata
);
2943 } else if (sctx
->chip_class
== GFX9
) {
2944 /* It appears that DB metadata "leaks" in a sequence of:
2946 * - DCC decompress for shader image writes (with DB disabled)
2947 * - render with DEPTH_BEFORE_SHADER=1
2948 * Flushing DB metadata works around the problem.
2950 sctx
->flags
|= SI_CONTEXT_FLUSH_AND_INV_DB_META
;
2953 /* Take the maximum of the old and new count. If the new count is lower,
2954 * dirtying is needed to disable the unbound colorbuffers.
2956 sctx
->framebuffer
.dirty_cbufs
|=
2957 (1 << MAX2(sctx
->framebuffer
.state
.nr_cbufs
, state
->nr_cbufs
)) - 1;
2958 sctx
->framebuffer
.dirty_zsbuf
|= sctx
->framebuffer
.state
.zsbuf
!= state
->zsbuf
;
2960 si_dec_framebuffer_counters(&sctx
->framebuffer
.state
);
2961 util_copy_framebuffer_state(&sctx
->framebuffer
.state
, state
);
2963 sctx
->framebuffer
.colorbuf_enabled_4bit
= 0;
2964 sctx
->framebuffer
.spi_shader_col_format
= 0;
2965 sctx
->framebuffer
.spi_shader_col_format_alpha
= 0;
2966 sctx
->framebuffer
.spi_shader_col_format_blend
= 0;
2967 sctx
->framebuffer
.spi_shader_col_format_blend_alpha
= 0;
2968 sctx
->framebuffer
.color_is_int8
= 0;
2969 sctx
->framebuffer
.color_is_int10
= 0;
2971 sctx
->framebuffer
.compressed_cb_mask
= 0;
2972 sctx
->framebuffer
.uncompressed_cb_mask
= 0;
2973 sctx
->framebuffer
.nr_samples
= util_framebuffer_get_num_samples(state
);
2974 sctx
->framebuffer
.nr_color_samples
= sctx
->framebuffer
.nr_samples
;
2975 sctx
->framebuffer
.log_samples
= util_logbase2(sctx
->framebuffer
.nr_samples
);
2976 sctx
->framebuffer
.any_dst_linear
= false;
2977 sctx
->framebuffer
.CB_has_shader_readable_metadata
= false;
2978 sctx
->framebuffer
.DB_has_shader_readable_metadata
= false;
2979 sctx
->framebuffer
.all_DCC_pipe_aligned
= true;
2981 for (i
= 0; i
< state
->nr_cbufs
; i
++) {
2982 if (!state
->cbufs
[i
])
2985 surf
= (struct si_surface
*)state
->cbufs
[i
];
2986 tex
= (struct si_texture
*)surf
->base
.texture
;
2988 if (!surf
->color_initialized
) {
2989 si_initialize_color_surface(sctx
, surf
);
2992 sctx
->framebuffer
.colorbuf_enabled_4bit
|= 0xf << (i
* 4);
2993 sctx
->framebuffer
.spi_shader_col_format
|=
2994 surf
->spi_shader_col_format
<< (i
* 4);
2995 sctx
->framebuffer
.spi_shader_col_format_alpha
|=
2996 surf
->spi_shader_col_format_alpha
<< (i
* 4);
2997 sctx
->framebuffer
.spi_shader_col_format_blend
|=
2998 surf
->spi_shader_col_format_blend
<< (i
* 4);
2999 sctx
->framebuffer
.spi_shader_col_format_blend_alpha
|=
3000 surf
->spi_shader_col_format_blend_alpha
<< (i
* 4);
3002 if (surf
->color_is_int8
)
3003 sctx
->framebuffer
.color_is_int8
|= 1 << i
;
3004 if (surf
->color_is_int10
)
3005 sctx
->framebuffer
.color_is_int10
|= 1 << i
;
3007 if (tex
->fmask_offset
)
3008 sctx
->framebuffer
.compressed_cb_mask
|= 1 << i
;
3010 sctx
->framebuffer
.uncompressed_cb_mask
|= 1 << i
;
3012 /* Don't update nr_color_samples for non-AA buffers.
3013 * (e.g. destination of MSAA resolve)
3015 if (tex
->buffer
.b
.b
.nr_samples
>= 2 &&
3016 tex
->buffer
.b
.b
.nr_storage_samples
< tex
->buffer
.b
.b
.nr_samples
) {
3017 sctx
->framebuffer
.nr_color_samples
=
3018 MIN2(sctx
->framebuffer
.nr_color_samples
,
3019 tex
->buffer
.b
.b
.nr_storage_samples
);
3020 sctx
->framebuffer
.nr_color_samples
=
3021 MAX2(1, sctx
->framebuffer
.nr_color_samples
);
3024 if (tex
->surface
.is_linear
)
3025 sctx
->framebuffer
.any_dst_linear
= true;
3027 if (vi_dcc_enabled(tex
, surf
->base
.u
.tex
.level
)) {
3028 sctx
->framebuffer
.CB_has_shader_readable_metadata
= true;
3030 if (sctx
->chip_class
>= GFX9
&&
3031 !tex
->surface
.u
.gfx9
.dcc
.pipe_aligned
)
3032 sctx
->framebuffer
.all_DCC_pipe_aligned
= false;
3035 si_context_add_resource_size(sctx
, surf
->base
.texture
);
3037 p_atomic_inc(&tex
->framebuffers_bound
);
3039 if (tex
->dcc_gather_statistics
) {
3040 /* Dirty tracking must be enabled for DCC usage analysis. */
3041 sctx
->framebuffer
.compressed_cb_mask
|= 1 << i
;
3042 vi_separate_dcc_start_query(sctx
, tex
);
3046 /* For optimal DCC performance. */
3047 if (sctx
->chip_class
>= GFX10
)
3048 sctx
->framebuffer
.dcc_overwrite_combiner_watermark
= 6;
3050 sctx
->framebuffer
.dcc_overwrite_combiner_watermark
= 4;
3052 struct si_texture
*zstex
= NULL
;
3055 surf
= (struct si_surface
*)state
->zsbuf
;
3056 zstex
= (struct si_texture
*)surf
->base
.texture
;
3058 if (!surf
->depth_initialized
) {
3059 si_init_depth_surface(sctx
, surf
);
3062 if (vi_tc_compat_htile_enabled(zstex
, surf
->base
.u
.tex
.level
,
3064 sctx
->framebuffer
.DB_has_shader_readable_metadata
= true;
3066 si_context_add_resource_size(sctx
, surf
->base
.texture
);
3069 si_update_ps_colorbuf0_slot(sctx
);
3070 si_update_poly_offset_state(sctx
);
3071 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.cb_render_state
);
3072 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.framebuffer
);
3074 if (sctx
->screen
->dpbb_allowed
)
3075 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.dpbb_state
);
3077 if (sctx
->framebuffer
.any_dst_linear
!= old_any_dst_linear
)
3078 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.msaa_config
);
3080 if (sctx
->screen
->has_out_of_order_rast
&&
3081 (sctx
->framebuffer
.colorbuf_enabled_4bit
!= old_colorbuf_enabled_4bit
||
3082 !!sctx
->framebuffer
.state
.zsbuf
!= old_has_zsbuf
||
3083 (zstex
&& zstex
->surface
.has_stencil
!= old_has_stencil
)))
3084 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.msaa_config
);
3086 if (sctx
->framebuffer
.nr_samples
!= old_nr_samples
) {
3087 struct pipe_constant_buffer constbuf
= {0};
3089 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.msaa_config
);
3090 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.db_render_state
);
3092 constbuf
.buffer
= sctx
->sample_pos_buffer
;
3094 /* Set sample locations as fragment shader constants. */
3095 switch (sctx
->framebuffer
.nr_samples
) {
3097 constbuf
.buffer_offset
= 0;
3100 constbuf
.buffer_offset
= (ubyte
*)sctx
->sample_positions
.x2
-
3101 (ubyte
*)sctx
->sample_positions
.x1
;
3104 constbuf
.buffer_offset
= (ubyte
*)sctx
->sample_positions
.x4
-
3105 (ubyte
*)sctx
->sample_positions
.x1
;
3108 constbuf
.buffer_offset
= (ubyte
*)sctx
->sample_positions
.x8
-
3109 (ubyte
*)sctx
->sample_positions
.x1
;
3112 constbuf
.buffer_offset
= (ubyte
*)sctx
->sample_positions
.x16
-
3113 (ubyte
*)sctx
->sample_positions
.x1
;
3116 PRINT_ERR("Requested an invalid number of samples %i.\n",
3117 sctx
->framebuffer
.nr_samples
);
3120 constbuf
.buffer_size
= sctx
->framebuffer
.nr_samples
* 2 * 4;
3121 si_set_rw_buffer(sctx
, SI_PS_CONST_SAMPLE_POSITIONS
, &constbuf
);
3123 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.msaa_sample_locs
);
3126 sctx
->do_update_shaders
= true;
3128 if (!sctx
->decompression_enabled
) {
3129 /* Prevent textures decompression when the framebuffer state
3130 * changes come from the decompression passes themselves.
3132 sctx
->need_check_render_feedback
= true;
3136 static void si_emit_framebuffer_state(struct si_context
*sctx
)
3138 struct radeon_cmdbuf
*cs
= sctx
->gfx_cs
;
3139 struct pipe_framebuffer_state
*state
= &sctx
->framebuffer
.state
;
3140 unsigned i
, nr_cbufs
= state
->nr_cbufs
;
3141 struct si_texture
*tex
= NULL
;
3142 struct si_surface
*cb
= NULL
;
3143 unsigned cb_color_info
= 0;
3146 for (i
= 0; i
< nr_cbufs
; i
++) {
3147 uint64_t cb_color_base
, cb_color_fmask
, cb_color_cmask
, cb_dcc_base
;
3148 unsigned cb_color_attrib
;
3150 if (!(sctx
->framebuffer
.dirty_cbufs
& (1 << i
)))
3153 cb
= (struct si_surface
*)state
->cbufs
[i
];
3155 radeon_set_context_reg(cs
, R_028C70_CB_COLOR0_INFO
+ i
* 0x3C,
3156 S_028C70_FORMAT(V_028C70_COLOR_INVALID
));
3160 tex
= (struct si_texture
*)cb
->base
.texture
;
3161 radeon_add_to_buffer_list(sctx
, sctx
->gfx_cs
,
3162 &tex
->buffer
, RADEON_USAGE_READWRITE
,
3163 tex
->buffer
.b
.b
.nr_samples
> 1 ?
3164 RADEON_PRIO_COLOR_BUFFER_MSAA
:
3165 RADEON_PRIO_COLOR_BUFFER
);
3167 if (tex
->cmask_buffer
&& tex
->cmask_buffer
!= &tex
->buffer
) {
3168 radeon_add_to_buffer_list(sctx
, sctx
->gfx_cs
,
3169 tex
->cmask_buffer
, RADEON_USAGE_READWRITE
,
3170 RADEON_PRIO_SEPARATE_META
);
3173 if (tex
->dcc_separate_buffer
)
3174 radeon_add_to_buffer_list(sctx
, sctx
->gfx_cs
,
3175 tex
->dcc_separate_buffer
,
3176 RADEON_USAGE_READWRITE
,
3177 RADEON_PRIO_SEPARATE_META
);
3179 /* Compute mutable surface parameters. */
3180 cb_color_base
= tex
->buffer
.gpu_address
>> 8;
3182 cb_color_cmask
= tex
->cmask_base_address_reg
;
3184 cb_color_info
= cb
->cb_color_info
| tex
->cb_color_info
;
3185 cb_color_attrib
= cb
->cb_color_attrib
;
3187 if (cb
->base
.u
.tex
.level
> 0)
3188 cb_color_info
&= C_028C70_FAST_CLEAR
;
3190 if (tex
->fmask_offset
) {
3191 cb_color_fmask
= (tex
->buffer
.gpu_address
+ tex
->fmask_offset
) >> 8;
3192 cb_color_fmask
|= tex
->surface
.fmask_tile_swizzle
;
3196 if (vi_dcc_enabled(tex
, cb
->base
.u
.tex
.level
)) {
3197 bool is_msaa_resolve_dst
= state
->cbufs
[0] &&
3198 state
->cbufs
[0]->texture
->nr_samples
> 1 &&
3199 state
->cbufs
[1] == &cb
->base
&&
3200 state
->cbufs
[1]->texture
->nr_samples
<= 1;
3202 if (!is_msaa_resolve_dst
)
3203 cb_color_info
|= S_028C70_DCC_ENABLE(1);
3205 cb_dcc_base
= ((!tex
->dcc_separate_buffer
? tex
->buffer
.gpu_address
: 0) +
3206 tex
->dcc_offset
) >> 8;
3208 unsigned dcc_tile_swizzle
= tex
->surface
.tile_swizzle
;
3209 dcc_tile_swizzle
&= (tex
->surface
.dcc_alignment
- 1) >> 8;
3210 cb_dcc_base
|= dcc_tile_swizzle
;
3213 if (sctx
->chip_class
>= GFX10
) {
3214 unsigned cb_color_attrib3
;
3216 /* Set mutable surface parameters. */
3217 cb_color_base
+= tex
->surface
.u
.gfx9
.surf_offset
>> 8;
3218 cb_color_base
|= tex
->surface
.tile_swizzle
;
3219 if (!tex
->fmask_offset
)
3220 cb_color_fmask
= cb_color_base
;
3221 if (cb
->base
.u
.tex
.level
> 0)
3222 cb_color_cmask
= cb_color_base
;
3224 cb_color_attrib3
= cb
->cb_color_attrib3
|
3225 S_028EE0_COLOR_SW_MODE(tex
->surface
.u
.gfx9
.surf
.swizzle_mode
) |
3226 S_028EE0_FMASK_SW_MODE(tex
->surface
.u
.gfx9
.fmask
.swizzle_mode
) |
3227 S_028EE0_CMASK_PIPE_ALIGNED(tex
->surface
.u
.gfx9
.cmask
.pipe_aligned
) |
3228 S_028EE0_DCC_PIPE_ALIGNED(tex
->surface
.u
.gfx9
.dcc
.pipe_aligned
);
3230 radeon_set_context_reg_seq(cs
, R_028C60_CB_COLOR0_BASE
+ i
* 0x3C, 14);
3231 radeon_emit(cs
, cb_color_base
); /* CB_COLOR0_BASE */
3232 radeon_emit(cs
, 0); /* hole */
3233 radeon_emit(cs
, 0); /* hole */
3234 radeon_emit(cs
, cb
->cb_color_view
); /* CB_COLOR0_VIEW */
3235 radeon_emit(cs
, cb_color_info
); /* CB_COLOR0_INFO */
3236 radeon_emit(cs
, cb_color_attrib
); /* CB_COLOR0_ATTRIB */
3237 radeon_emit(cs
, cb
->cb_dcc_control
); /* CB_COLOR0_DCC_CONTROL */
3238 radeon_emit(cs
, cb_color_cmask
); /* CB_COLOR0_CMASK */
3239 radeon_emit(cs
, 0); /* hole */
3240 radeon_emit(cs
, cb_color_fmask
); /* CB_COLOR0_FMASK */
3241 radeon_emit(cs
, 0); /* hole */
3242 radeon_emit(cs
, tex
->color_clear_value
[0]); /* CB_COLOR0_CLEAR_WORD0 */
3243 radeon_emit(cs
, tex
->color_clear_value
[1]); /* CB_COLOR0_CLEAR_WORD1 */
3244 radeon_emit(cs
, cb_dcc_base
); /* CB_COLOR0_DCC_BASE */
3246 radeon_set_context_reg(cs
, R_028E40_CB_COLOR0_BASE_EXT
+ i
* 4,
3247 cb_color_base
>> 32);
3248 radeon_set_context_reg(cs
, R_028E60_CB_COLOR0_CMASK_BASE_EXT
+ i
* 4,
3249 cb_color_cmask
>> 32);
3250 radeon_set_context_reg(cs
, R_028E80_CB_COLOR0_FMASK_BASE_EXT
+ i
* 4,
3251 cb_color_fmask
>> 32);
3252 radeon_set_context_reg(cs
, R_028EA0_CB_COLOR0_DCC_BASE_EXT
+ i
* 4,
3254 radeon_set_context_reg(cs
, R_028EC0_CB_COLOR0_ATTRIB2
+ i
* 4,
3255 cb
->cb_color_attrib2
);
3256 radeon_set_context_reg(cs
, R_028EE0_CB_COLOR0_ATTRIB3
+ i
* 4,
3258 } else if (sctx
->chip_class
== GFX9
) {
3259 struct gfx9_surf_meta_flags meta
;
3261 if (tex
->dcc_offset
)
3262 meta
= tex
->surface
.u
.gfx9
.dcc
;
3264 meta
= tex
->surface
.u
.gfx9
.cmask
;
3266 /* Set mutable surface parameters. */
3267 cb_color_base
+= tex
->surface
.u
.gfx9
.surf_offset
>> 8;
3268 cb_color_base
|= tex
->surface
.tile_swizzle
;
3269 if (!tex
->fmask_offset
)
3270 cb_color_fmask
= cb_color_base
;
3271 if (cb
->base
.u
.tex
.level
> 0)
3272 cb_color_cmask
= cb_color_base
;
3273 cb_color_attrib
|= S_028C74_COLOR_SW_MODE(tex
->surface
.u
.gfx9
.surf
.swizzle_mode
) |
3274 S_028C74_FMASK_SW_MODE(tex
->surface
.u
.gfx9
.fmask
.swizzle_mode
) |
3275 S_028C74_RB_ALIGNED(meta
.rb_aligned
) |
3276 S_028C74_PIPE_ALIGNED(meta
.pipe_aligned
);
3278 radeon_set_context_reg_seq(cs
, R_028C60_CB_COLOR0_BASE
+ i
* 0x3C, 15);
3279 radeon_emit(cs
, cb_color_base
); /* CB_COLOR0_BASE */
3280 radeon_emit(cs
, S_028C64_BASE_256B(cb_color_base
>> 32)); /* CB_COLOR0_BASE_EXT */
3281 radeon_emit(cs
, cb
->cb_color_attrib2
); /* CB_COLOR0_ATTRIB2 */
3282 radeon_emit(cs
, cb
->cb_color_view
); /* CB_COLOR0_VIEW */
3283 radeon_emit(cs
, cb_color_info
); /* CB_COLOR0_INFO */
3284 radeon_emit(cs
, cb_color_attrib
); /* CB_COLOR0_ATTRIB */
3285 radeon_emit(cs
, cb
->cb_dcc_control
); /* CB_COLOR0_DCC_CONTROL */
3286 radeon_emit(cs
, cb_color_cmask
); /* CB_COLOR0_CMASK */
3287 radeon_emit(cs
, S_028C80_BASE_256B(cb_color_cmask
>> 32)); /* CB_COLOR0_CMASK_BASE_EXT */
3288 radeon_emit(cs
, cb_color_fmask
); /* CB_COLOR0_FMASK */
3289 radeon_emit(cs
, S_028C88_BASE_256B(cb_color_fmask
>> 32)); /* CB_COLOR0_FMASK_BASE_EXT */
3290 radeon_emit(cs
, tex
->color_clear_value
[0]); /* CB_COLOR0_CLEAR_WORD0 */
3291 radeon_emit(cs
, tex
->color_clear_value
[1]); /* CB_COLOR0_CLEAR_WORD1 */
3292 radeon_emit(cs
, cb_dcc_base
); /* CB_COLOR0_DCC_BASE */
3293 radeon_emit(cs
, S_028C98_BASE_256B(cb_dcc_base
>> 32)); /* CB_COLOR0_DCC_BASE_EXT */
3295 radeon_set_context_reg(cs
, R_0287A0_CB_MRT0_EPITCH
+ i
* 4,
3296 S_0287A0_EPITCH(tex
->surface
.u
.gfx9
.surf
.epitch
));
3298 /* Compute mutable surface parameters (GFX6-GFX8). */
3299 const struct legacy_surf_level
*level_info
=
3300 &tex
->surface
.u
.legacy
.level
[cb
->base
.u
.tex
.level
];
3301 unsigned pitch_tile_max
, slice_tile_max
, tile_mode_index
;
3302 unsigned cb_color_pitch
, cb_color_slice
, cb_color_fmask_slice
;
3304 cb_color_base
+= level_info
->offset
>> 8;
3305 /* Only macrotiled modes can set tile swizzle. */
3306 if (level_info
->mode
== RADEON_SURF_MODE_2D
)
3307 cb_color_base
|= tex
->surface
.tile_swizzle
;
3309 if (!tex
->fmask_offset
)
3310 cb_color_fmask
= cb_color_base
;
3311 if (cb
->base
.u
.tex
.level
> 0)
3312 cb_color_cmask
= cb_color_base
;
3314 cb_dcc_base
+= level_info
->dcc_offset
>> 8;
3316 pitch_tile_max
= level_info
->nblk_x
/ 8 - 1;
3317 slice_tile_max
= level_info
->nblk_x
*
3318 level_info
->nblk_y
/ 64 - 1;
3319 tile_mode_index
= si_tile_mode_index(tex
, cb
->base
.u
.tex
.level
, false);
3321 cb_color_attrib
|= S_028C74_TILE_MODE_INDEX(tile_mode_index
);
3322 cb_color_pitch
= S_028C64_TILE_MAX(pitch_tile_max
);
3323 cb_color_slice
= S_028C68_TILE_MAX(slice_tile_max
);
3325 if (tex
->fmask_offset
) {
3326 if (sctx
->chip_class
>= GFX7
)
3327 cb_color_pitch
|= S_028C64_FMASK_TILE_MAX(tex
->surface
.u
.legacy
.fmask
.pitch_in_pixels
/ 8 - 1);
3328 cb_color_attrib
|= S_028C74_FMASK_TILE_MODE_INDEX(tex
->surface
.u
.legacy
.fmask
.tiling_index
);
3329 cb_color_fmask_slice
= S_028C88_TILE_MAX(tex
->surface
.u
.legacy
.fmask
.slice_tile_max
);
3331 /* This must be set for fast clear to work without FMASK. */
3332 if (sctx
->chip_class
>= GFX7
)
3333 cb_color_pitch
|= S_028C64_FMASK_TILE_MAX(pitch_tile_max
);
3334 cb_color_attrib
|= S_028C74_FMASK_TILE_MODE_INDEX(tile_mode_index
);
3335 cb_color_fmask_slice
= S_028C88_TILE_MAX(slice_tile_max
);
3338 radeon_set_context_reg_seq(cs
, R_028C60_CB_COLOR0_BASE
+ i
* 0x3C,
3339 sctx
->chip_class
>= GFX8
? 14 : 13);
3340 radeon_emit(cs
, cb_color_base
); /* CB_COLOR0_BASE */
3341 radeon_emit(cs
, cb_color_pitch
); /* CB_COLOR0_PITCH */
3342 radeon_emit(cs
, cb_color_slice
); /* CB_COLOR0_SLICE */
3343 radeon_emit(cs
, cb
->cb_color_view
); /* CB_COLOR0_VIEW */
3344 radeon_emit(cs
, cb_color_info
); /* CB_COLOR0_INFO */
3345 radeon_emit(cs
, cb_color_attrib
); /* CB_COLOR0_ATTRIB */
3346 radeon_emit(cs
, cb
->cb_dcc_control
); /* CB_COLOR0_DCC_CONTROL */
3347 radeon_emit(cs
, cb_color_cmask
); /* CB_COLOR0_CMASK */
3348 radeon_emit(cs
, tex
->surface
.u
.legacy
.cmask_slice_tile_max
); /* CB_COLOR0_CMASK_SLICE */
3349 radeon_emit(cs
, cb_color_fmask
); /* CB_COLOR0_FMASK */
3350 radeon_emit(cs
, cb_color_fmask_slice
); /* CB_COLOR0_FMASK_SLICE */
3351 radeon_emit(cs
, tex
->color_clear_value
[0]); /* CB_COLOR0_CLEAR_WORD0 */
3352 radeon_emit(cs
, tex
->color_clear_value
[1]); /* CB_COLOR0_CLEAR_WORD1 */
3354 if (sctx
->chip_class
>= GFX8
) /* R_028C94_CB_COLOR0_DCC_BASE */
3355 radeon_emit(cs
, cb_dcc_base
);
3359 if (sctx
->framebuffer
.dirty_cbufs
& (1 << i
))
3360 radeon_set_context_reg(cs
, R_028C70_CB_COLOR0_INFO
+ i
* 0x3C, 0);
3363 if (state
->zsbuf
&& sctx
->framebuffer
.dirty_zsbuf
) {
3364 struct si_surface
*zb
= (struct si_surface
*)state
->zsbuf
;
3365 struct si_texture
*tex
= (struct si_texture
*)zb
->base
.texture
;
3367 radeon_add_to_buffer_list(sctx
, sctx
->gfx_cs
,
3368 &tex
->buffer
, RADEON_USAGE_READWRITE
,
3369 zb
->base
.texture
->nr_samples
> 1 ?
3370 RADEON_PRIO_DEPTH_BUFFER_MSAA
:
3371 RADEON_PRIO_DEPTH_BUFFER
);
3373 if (sctx
->chip_class
>= GFX10
) {
3374 radeon_set_context_reg(cs
, R_028014_DB_HTILE_DATA_BASE
, zb
->db_htile_data_base
);
3375 radeon_set_context_reg(cs
, R_02801C_DB_DEPTH_SIZE_XY
, zb
->db_depth_size
);
3377 radeon_set_context_reg_seq(cs
, R_02803C_DB_DEPTH_INFO
, 7);
3378 radeon_emit(cs
, S_02803C_RESOURCE_LEVEL(1)); /* DB_DEPTH_INFO */
3379 radeon_emit(cs
, zb
->db_z_info
| /* DB_Z_INFO */
3380 S_028038_ZRANGE_PRECISION(tex
->depth_clear_value
!= 0));
3381 radeon_emit(cs
, zb
->db_stencil_info
); /* DB_STENCIL_INFO */
3382 radeon_emit(cs
, zb
->db_depth_base
); /* DB_Z_READ_BASE */
3383 radeon_emit(cs
, zb
->db_stencil_base
); /* DB_STENCIL_READ_BASE */
3384 radeon_emit(cs
, zb
->db_depth_base
); /* DB_Z_WRITE_BASE */
3385 radeon_emit(cs
, zb
->db_stencil_base
); /* DB_STENCIL_WRITE_BASE */
3387 radeon_set_context_reg_seq(cs
, R_028068_DB_Z_READ_BASE_HI
, 5);
3388 radeon_emit(cs
, zb
->db_depth_base
>> 32); /* DB_Z_READ_BASE_HI */
3389 radeon_emit(cs
, zb
->db_stencil_base
>> 32); /* DB_STENCIL_READ_BASE_HI */
3390 radeon_emit(cs
, zb
->db_depth_base
>> 32); /* DB_Z_WRITE_BASE_HI */
3391 radeon_emit(cs
, zb
->db_stencil_base
>> 32); /* DB_STENCIL_WRITE_BASE_HI */
3392 radeon_emit(cs
, zb
->db_htile_data_base
>> 32); /* DB_HTILE_DATA_BASE_HI */
3393 } else if (sctx
->chip_class
== GFX9
) {
3394 radeon_set_context_reg_seq(cs
, R_028014_DB_HTILE_DATA_BASE
, 3);
3395 radeon_emit(cs
, zb
->db_htile_data_base
); /* DB_HTILE_DATA_BASE */
3396 radeon_emit(cs
, S_028018_BASE_HI(zb
->db_htile_data_base
>> 32)); /* DB_HTILE_DATA_BASE_HI */
3397 radeon_emit(cs
, zb
->db_depth_size
); /* DB_DEPTH_SIZE */
3399 radeon_set_context_reg_seq(cs
, R_028038_DB_Z_INFO
, 10);
3400 radeon_emit(cs
, zb
->db_z_info
| /* DB_Z_INFO */
3401 S_028038_ZRANGE_PRECISION(tex
->depth_clear_value
!= 0));
3402 radeon_emit(cs
, zb
->db_stencil_info
); /* DB_STENCIL_INFO */
3403 radeon_emit(cs
, zb
->db_depth_base
); /* DB_Z_READ_BASE */
3404 radeon_emit(cs
, S_028044_BASE_HI(zb
->db_depth_base
>> 32)); /* DB_Z_READ_BASE_HI */
3405 radeon_emit(cs
, zb
->db_stencil_base
); /* DB_STENCIL_READ_BASE */
3406 radeon_emit(cs
, S_02804C_BASE_HI(zb
->db_stencil_base
>> 32)); /* DB_STENCIL_READ_BASE_HI */
3407 radeon_emit(cs
, zb
->db_depth_base
); /* DB_Z_WRITE_BASE */
3408 radeon_emit(cs
, S_028054_BASE_HI(zb
->db_depth_base
>> 32)); /* DB_Z_WRITE_BASE_HI */
3409 radeon_emit(cs
, zb
->db_stencil_base
); /* DB_STENCIL_WRITE_BASE */
3410 radeon_emit(cs
, S_02805C_BASE_HI(zb
->db_stencil_base
>> 32)); /* DB_STENCIL_WRITE_BASE_HI */
3412 radeon_set_context_reg_seq(cs
, R_028068_DB_Z_INFO2
, 2);
3413 radeon_emit(cs
, zb
->db_z_info2
); /* DB_Z_INFO2 */
3414 radeon_emit(cs
, zb
->db_stencil_info2
); /* DB_STENCIL_INFO2 */
3416 radeon_set_context_reg(cs
, R_028014_DB_HTILE_DATA_BASE
, zb
->db_htile_data_base
);
3418 radeon_set_context_reg_seq(cs
, R_02803C_DB_DEPTH_INFO
, 9);
3419 radeon_emit(cs
, zb
->db_depth_info
); /* DB_DEPTH_INFO */
3420 radeon_emit(cs
, zb
->db_z_info
| /* DB_Z_INFO */
3421 S_028040_ZRANGE_PRECISION(tex
->depth_clear_value
!= 0));
3422 radeon_emit(cs
, zb
->db_stencil_info
); /* DB_STENCIL_INFO */
3423 radeon_emit(cs
, zb
->db_depth_base
); /* DB_Z_READ_BASE */
3424 radeon_emit(cs
, zb
->db_stencil_base
); /* DB_STENCIL_READ_BASE */
3425 radeon_emit(cs
, zb
->db_depth_base
); /* DB_Z_WRITE_BASE */
3426 radeon_emit(cs
, zb
->db_stencil_base
); /* DB_STENCIL_WRITE_BASE */
3427 radeon_emit(cs
, zb
->db_depth_size
); /* DB_DEPTH_SIZE */
3428 radeon_emit(cs
, zb
->db_depth_slice
); /* DB_DEPTH_SLICE */
3431 radeon_set_context_reg_seq(cs
, R_028028_DB_STENCIL_CLEAR
, 2);
3432 radeon_emit(cs
, tex
->stencil_clear_value
); /* R_028028_DB_STENCIL_CLEAR */
3433 radeon_emit(cs
, fui(tex
->depth_clear_value
)); /* R_02802C_DB_DEPTH_CLEAR */
3435 radeon_set_context_reg(cs
, R_028008_DB_DEPTH_VIEW
, zb
->db_depth_view
);
3436 radeon_set_context_reg(cs
, R_028ABC_DB_HTILE_SURFACE
, zb
->db_htile_surface
);
3437 } else if (sctx
->framebuffer
.dirty_zsbuf
) {
3438 if (sctx
->chip_class
== GFX9
)
3439 radeon_set_context_reg_seq(cs
, R_028038_DB_Z_INFO
, 2);
3441 radeon_set_context_reg_seq(cs
, R_028040_DB_Z_INFO
, 2);
3443 radeon_emit(cs
, S_028040_FORMAT(V_028040_Z_INVALID
)); /* DB_Z_INFO */
3444 radeon_emit(cs
, S_028044_FORMAT(V_028044_STENCIL_INVALID
)); /* DB_STENCIL_INFO */
3447 /* Framebuffer dimensions. */
3448 /* PA_SC_WINDOW_SCISSOR_TL is set in si_init_config() */
3449 radeon_set_context_reg(cs
, R_028208_PA_SC_WINDOW_SCISSOR_BR
,
3450 S_028208_BR_X(state
->width
) | S_028208_BR_Y(state
->height
));
3452 if (sctx
->screen
->dfsm_allowed
) {
3453 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
3454 radeon_emit(cs
, EVENT_TYPE(V_028A90_BREAK_BATCH
) | EVENT_INDEX(0));
3457 sctx
->framebuffer
.dirty_cbufs
= 0;
3458 sctx
->framebuffer
.dirty_zsbuf
= false;
3461 static void si_emit_msaa_sample_locs(struct si_context
*sctx
)
3463 struct radeon_cmdbuf
*cs
= sctx
->gfx_cs
;
3464 struct si_state_rasterizer
*rs
= sctx
->queued
.named
.rasterizer
;
3465 unsigned nr_samples
= sctx
->framebuffer
.nr_samples
;
3466 bool has_msaa_sample_loc_bug
= sctx
->screen
->has_msaa_sample_loc_bug
;
3468 /* Smoothing (only possible with nr_samples == 1) uses the same
3469 * sample locations as the MSAA it simulates.
3471 if (nr_samples
<= 1 && sctx
->smoothing_enabled
)
3472 nr_samples
= SI_NUM_SMOOTH_AA_SAMPLES
;
3474 /* On Polaris, the small primitive filter uses the sample locations
3475 * even when MSAA is off, so we need to make sure they're set to 0.
3477 * GFX10 uses sample locations unconditionally, so they always need
3480 if ((nr_samples
>= 2 || has_msaa_sample_loc_bug
||
3481 sctx
->chip_class
>= GFX10
) &&
3482 nr_samples
!= sctx
->sample_locs_num_samples
) {
3483 sctx
->sample_locs_num_samples
= nr_samples
;
3484 si_emit_sample_locations(cs
, nr_samples
);
3487 if (sctx
->family
>= CHIP_POLARIS10
) {
3488 unsigned small_prim_filter_cntl
=
3489 S_028830_SMALL_PRIM_FILTER_ENABLE(1) |
3491 S_028830_LINE_FILTER_DISABLE(sctx
->family
<= CHIP_POLARIS12
);
3493 /* The alternative of setting sample locations to 0 would
3494 * require a DB flush to avoid Z errors, see
3495 * https://bugs.freedesktop.org/show_bug.cgi?id=96908
3497 if (has_msaa_sample_loc_bug
&&
3498 sctx
->framebuffer
.nr_samples
> 1 &&
3499 !rs
->multisample_enable
)
3500 small_prim_filter_cntl
&= C_028830_SMALL_PRIM_FILTER_ENABLE
;
3502 radeon_opt_set_context_reg(sctx
,
3503 R_028830_PA_SU_SMALL_PRIM_FILTER_CNTL
,
3504 SI_TRACKED_PA_SU_SMALL_PRIM_FILTER_CNTL
,
3505 small_prim_filter_cntl
);
3508 /* The exclusion bits can be set to improve rasterization efficiency
3509 * if no sample lies on the pixel boundary (-8 sample offset).
3511 bool exclusion
= sctx
->chip_class
>= GFX7
&&
3512 (!rs
->multisample_enable
|| nr_samples
!= 16);
3513 radeon_opt_set_context_reg(sctx
, R_02882C_PA_SU_PRIM_FILTER_CNTL
,
3514 SI_TRACKED_PA_SU_PRIM_FILTER_CNTL
,
3515 S_02882C_XMAX_RIGHT_EXCLUSION(exclusion
) |
3516 S_02882C_YMAX_BOTTOM_EXCLUSION(exclusion
));
3519 static bool si_out_of_order_rasterization(struct si_context
*sctx
)
3521 struct si_state_blend
*blend
= sctx
->queued
.named
.blend
;
3522 struct si_state_dsa
*dsa
= sctx
->queued
.named
.dsa
;
3524 if (!sctx
->screen
->has_out_of_order_rast
)
3527 unsigned colormask
= sctx
->framebuffer
.colorbuf_enabled_4bit
;
3530 colormask
&= blend
->cb_target_enabled_4bit
;
3535 /* Conservative: No logic op. */
3536 if (colormask
&& blend
->logicop_enable
)
3539 struct si_dsa_order_invariance dsa_order_invariant
= {
3540 .zs
= true, .pass_set
= true, .pass_last
= false
3543 if (sctx
->framebuffer
.state
.zsbuf
) {
3544 struct si_texture
*zstex
=
3545 (struct si_texture
*)sctx
->framebuffer
.state
.zsbuf
->texture
;
3546 bool has_stencil
= zstex
->surface
.has_stencil
;
3547 dsa_order_invariant
= dsa
->order_invariance
[has_stencil
];
3548 if (!dsa_order_invariant
.zs
)
3551 /* The set of PS invocations is always order invariant,
3552 * except when early Z/S tests are requested. */
3553 if (sctx
->ps_shader
.cso
&&
3554 sctx
->ps_shader
.cso
->info
.writes_memory
&&
3555 sctx
->ps_shader
.cso
->info
.properties
[TGSI_PROPERTY_FS_EARLY_DEPTH_STENCIL
] &&
3556 !dsa_order_invariant
.pass_set
)
3559 if (sctx
->num_perfect_occlusion_queries
!= 0 &&
3560 !dsa_order_invariant
.pass_set
)
3567 unsigned blendmask
= colormask
& blend
->blend_enable_4bit
;
3570 /* Only commutative blending. */
3571 if (blendmask
& ~blend
->commutative_4bit
)
3574 if (!dsa_order_invariant
.pass_set
)
3578 if (colormask
& ~blendmask
) {
3579 if (!dsa_order_invariant
.pass_last
)
3586 static void si_emit_msaa_config(struct si_context
*sctx
)
3588 struct radeon_cmdbuf
*cs
= sctx
->gfx_cs
;
3589 unsigned num_tile_pipes
= sctx
->screen
->info
.num_tile_pipes
;
3590 /* 33% faster rendering to linear color buffers */
3591 bool dst_is_linear
= sctx
->framebuffer
.any_dst_linear
;
3592 bool out_of_order_rast
= si_out_of_order_rasterization(sctx
);
3593 unsigned sc_mode_cntl_1
=
3594 S_028A4C_WALK_SIZE(dst_is_linear
) |
3595 S_028A4C_WALK_FENCE_ENABLE(!dst_is_linear
) |
3596 S_028A4C_WALK_FENCE_SIZE(num_tile_pipes
== 2 ? 2 : 3) |
3597 S_028A4C_OUT_OF_ORDER_PRIMITIVE_ENABLE(out_of_order_rast
) |
3598 S_028A4C_OUT_OF_ORDER_WATER_MARK(0x7) |
3600 S_028A4C_WALK_ALIGN8_PRIM_FITS_ST(1) |
3601 S_028A4C_SUPERTILE_WALK_ORDER_ENABLE(1) |
3602 S_028A4C_TILE_WALK_ORDER_ENABLE(1) |
3603 S_028A4C_MULTI_SHADER_ENGINE_PRIM_DISCARD_ENABLE(1) |
3604 S_028A4C_FORCE_EOV_CNTDWN_ENABLE(1) |
3605 S_028A4C_FORCE_EOV_REZ_ENABLE(1);
3606 unsigned db_eqaa
= S_028804_HIGH_QUALITY_INTERSECTIONS(1) |
3607 S_028804_INCOHERENT_EQAA_READS(1) |
3608 S_028804_INTERPOLATE_COMP_Z(1) |
3609 S_028804_STATIC_ANCHOR_ASSOCIATIONS(1);
3610 unsigned coverage_samples
, color_samples
, z_samples
;
3611 struct si_state_rasterizer
*rs
= sctx
->queued
.named
.rasterizer
;
3613 /* S: Coverage samples (up to 16x):
3614 * - Scan conversion samples (PA_SC_AA_CONFIG.MSAA_NUM_SAMPLES)
3615 * - CB FMASK samples (CB_COLORi_ATTRIB.NUM_SAMPLES)
3617 * Z: Z/S samples (up to 8x, must be <= coverage samples and >= color samples):
3618 * - Value seen by DB (DB_Z_INFO.NUM_SAMPLES)
3619 * - Value seen by CB, must be correct even if Z/S is unbound (DB_EQAA.MAX_ANCHOR_SAMPLES)
3620 * # Missing samples are derived from Z planes if Z is compressed (up to 16x quality), or
3621 * # from the closest defined sample if Z is uncompressed (same quality as the number of
3624 * F: Color samples (up to 8x, must be <= coverage samples):
3625 * - CB color samples (CB_COLORi_ATTRIB.NUM_FRAGMENTS)
3626 * - PS iter samples (DB_EQAA.PS_ITER_SAMPLES)
3628 * Can be anything between coverage and color samples:
3629 * - SampleMaskIn samples (PA_SC_AA_CONFIG.MSAA_EXPOSED_SAMPLES)
3630 * - SampleMaskOut samples (DB_EQAA.MASK_EXPORT_NUM_SAMPLES)
3631 * - Alpha-to-coverage samples (DB_EQAA.ALPHA_TO_MASK_NUM_SAMPLES)
3632 * - Occlusion query samples (DB_COUNT_CONTROL.SAMPLE_RATE)
3633 * # All are currently set the same as coverage samples.
3635 * If color samples < coverage samples, FMASK has a higher bpp to store an "unknown"
3636 * flag for undefined color samples. A shader-based resolve must handle unknowns
3637 * or mask them out with AND. Unknowns can also be guessed from neighbors via
3638 * an edge-detect shader-based resolve, which is required to make "color samples = 1"
3639 * useful. The CB resolve always drops unknowns.
3641 * Sensible AA configurations:
3642 * EQAA 16s 8z 8f - might look the same as 16x MSAA if Z is compressed
3643 * EQAA 16s 8z 4f - might look the same as 16x MSAA if Z is compressed
3644 * EQAA 16s 4z 4f - might look the same as 16x MSAA if Z is compressed
3645 * EQAA 8s 8z 8f = 8x MSAA
3646 * EQAA 8s 8z 4f - might look the same as 8x MSAA
3647 * EQAA 8s 8z 2f - might look the same as 8x MSAA with low-density geometry
3648 * EQAA 8s 4z 4f - might look the same as 8x MSAA if Z is compressed
3649 * EQAA 8s 4z 2f - might look the same as 8x MSAA with low-density geometry if Z is compressed
3650 * EQAA 4s 4z 4f = 4x MSAA
3651 * EQAA 4s 4z 2f - might look the same as 4x MSAA with low-density geometry
3652 * EQAA 2s 2z 2f = 2x MSAA
3654 if (sctx
->framebuffer
.nr_samples
> 1 && rs
->multisample_enable
) {
3655 coverage_samples
= sctx
->framebuffer
.nr_samples
;
3656 color_samples
= sctx
->framebuffer
.nr_color_samples
;
3658 if (sctx
->framebuffer
.state
.zsbuf
) {
3659 z_samples
= sctx
->framebuffer
.state
.zsbuf
->texture
->nr_samples
;
3660 z_samples
= MAX2(1, z_samples
);
3662 z_samples
= coverage_samples
;
3664 } else if (sctx
->smoothing_enabled
) {
3665 coverage_samples
= color_samples
= z_samples
= SI_NUM_SMOOTH_AA_SAMPLES
;
3667 coverage_samples
= color_samples
= z_samples
= 1;
3670 /* Required by OpenGL line rasterization.
3672 * TODO: We should also enable perpendicular endcaps for AA lines,
3673 * but that requires implementing line stippling in the pixel
3674 * shader. SC can only do line stippling with axis-aligned
3677 unsigned sc_line_cntl
= S_028BDC_DX10_DIAMOND_TEST_ENA(1);
3678 unsigned sc_aa_config
= 0;
3680 if (coverage_samples
> 1) {
3681 /* distance from the pixel center, indexed by log2(nr_samples) */
3682 static unsigned max_dist
[] = {
3689 unsigned log_samples
= util_logbase2(coverage_samples
);
3690 unsigned log_z_samples
= util_logbase2(z_samples
);
3691 unsigned ps_iter_samples
= si_get_ps_iter_samples(sctx
);
3692 unsigned log_ps_iter_samples
= util_logbase2(ps_iter_samples
);
3694 sc_line_cntl
|= S_028BDC_EXPAND_LINE_WIDTH(1);
3695 sc_aa_config
= S_028BE0_MSAA_NUM_SAMPLES(log_samples
) |
3696 S_028BE0_MAX_SAMPLE_DIST(max_dist
[log_samples
]) |
3697 S_028BE0_MSAA_EXPOSED_SAMPLES(log_samples
);
3699 if (sctx
->framebuffer
.nr_samples
> 1) {
3700 db_eqaa
|= S_028804_MAX_ANCHOR_SAMPLES(log_z_samples
) |
3701 S_028804_PS_ITER_SAMPLES(log_ps_iter_samples
) |
3702 S_028804_MASK_EXPORT_NUM_SAMPLES(log_samples
) |
3703 S_028804_ALPHA_TO_MASK_NUM_SAMPLES(log_samples
);
3704 sc_mode_cntl_1
|= S_028A4C_PS_ITER_SAMPLE(ps_iter_samples
> 1);
3705 } else if (sctx
->smoothing_enabled
) {
3706 db_eqaa
|= S_028804_OVERRASTERIZATION_AMOUNT(log_samples
);
3710 unsigned initial_cdw
= cs
->current
.cdw
;
3712 /* R_028BDC_PA_SC_LINE_CNTL, R_028BE0_PA_SC_AA_CONFIG */
3713 radeon_opt_set_context_reg2(sctx
, R_028BDC_PA_SC_LINE_CNTL
,
3714 SI_TRACKED_PA_SC_LINE_CNTL
, sc_line_cntl
,
3716 /* R_028804_DB_EQAA */
3717 radeon_opt_set_context_reg(sctx
, R_028804_DB_EQAA
, SI_TRACKED_DB_EQAA
,
3719 /* R_028A4C_PA_SC_MODE_CNTL_1 */
3720 radeon_opt_set_context_reg(sctx
, R_028A4C_PA_SC_MODE_CNTL_1
,
3721 SI_TRACKED_PA_SC_MODE_CNTL_1
, sc_mode_cntl_1
);
3723 if (initial_cdw
!= cs
->current
.cdw
) {
3724 sctx
->context_roll
= true;
3726 /* GFX9: Flush DFSM when the AA mode changes. */
3727 if (sctx
->screen
->dfsm_allowed
) {
3728 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
3729 radeon_emit(cs
, EVENT_TYPE(V_028A90_FLUSH_DFSM
) | EVENT_INDEX(0));
3734 void si_update_ps_iter_samples(struct si_context
*sctx
)
3736 if (sctx
->framebuffer
.nr_samples
> 1)
3737 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.msaa_config
);
3738 if (sctx
->screen
->dpbb_allowed
)
3739 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.dpbb_state
);
3742 static void si_set_min_samples(struct pipe_context
*ctx
, unsigned min_samples
)
3744 struct si_context
*sctx
= (struct si_context
*)ctx
;
3746 /* The hardware can only do sample shading with 2^n samples. */
3747 min_samples
= util_next_power_of_two(min_samples
);
3749 if (sctx
->ps_iter_samples
== min_samples
)
3752 sctx
->ps_iter_samples
= min_samples
;
3753 sctx
->do_update_shaders
= true;
3755 si_update_ps_iter_samples(sctx
);
3763 * Build the sampler view descriptor for a buffer texture.
3764 * @param state 256-bit descriptor; only the high 128 bits are filled in
3767 si_make_buffer_descriptor(struct si_screen
*screen
, struct si_resource
*buf
,
3768 enum pipe_format format
,
3769 unsigned offset
, unsigned size
,
3772 const struct util_format_description
*desc
;
3774 unsigned num_records
;
3776 desc
= util_format_description(format
);
3777 stride
= desc
->block
.bits
/ 8;
3779 num_records
= size
/ stride
;
3780 num_records
= MIN2(num_records
, (buf
->b
.b
.width0
- offset
) / stride
);
3782 /* The NUM_RECORDS field has a different meaning depending on the chip,
3783 * instruction type, STRIDE, and SWIZZLE_ENABLE.
3786 * - If STRIDE == 0, it's in byte units.
3787 * - If STRIDE != 0, it's in units of STRIDE, used with inst.IDXEN.
3790 * - For SMEM and STRIDE == 0, it's in byte units.
3791 * - For SMEM and STRIDE != 0, it's in units of STRIDE.
3792 * - For VMEM and STRIDE == 0 or SWIZZLE_ENABLE == 0, it's in byte units.
3793 * - For VMEM and STRIDE != 0 and SWIZZLE_ENABLE == 1, it's in units of STRIDE.
3794 * NOTE: There is incompatibility between VMEM and SMEM opcodes due to SWIZZLE_-
3795 * ENABLE. The workaround is to set STRIDE = 0 if SWIZZLE_ENABLE == 0 when
3796 * using SMEM. This can be done in the shader by clearing STRIDE with s_and.
3797 * That way the same descriptor can be used by both SMEM and VMEM.
3800 * - For SMEM and STRIDE == 0, it's in byte units.
3801 * - For SMEM and STRIDE != 0, it's in units of STRIDE.
3802 * - For VMEM and inst.IDXEN == 0 or STRIDE == 0, it's in byte units.
3803 * - For VMEM and inst.IDXEN == 1 and STRIDE != 0, it's in units of STRIDE.
3805 if (screen
->info
.chip_class
== GFX9
&& HAVE_LLVM
< 0x0800)
3806 /* When vindex == 0, LLVM < 8.0 sets IDXEN = 0, thus changing units
3807 * from STRIDE to bytes. This works around it by setting
3808 * NUM_RECORDS to at least the size of one element, so that
3809 * the first element is readable when IDXEN == 0.
3811 num_records
= num_records
? MAX2(num_records
, stride
) : 0;
3812 else if (screen
->info
.chip_class
== GFX8
)
3813 num_records
*= stride
;
3816 state
[5] = S_008F04_STRIDE(stride
);
3817 state
[6] = num_records
;
3818 state
[7] = S_008F0C_DST_SEL_X(si_map_swizzle(desc
->swizzle
[0])) |
3819 S_008F0C_DST_SEL_Y(si_map_swizzle(desc
->swizzle
[1])) |
3820 S_008F0C_DST_SEL_Z(si_map_swizzle(desc
->swizzle
[2])) |
3821 S_008F0C_DST_SEL_W(si_map_swizzle(desc
->swizzle
[3]));
3823 if (screen
->info
.chip_class
>= GFX10
) {
3824 const struct gfx10_format
*fmt
= &gfx10_format_table
[format
];
3826 /* OOB_SELECT chooses the out-of-bounds check:
3827 * - 0: (index >= NUM_RECORDS) || (offset >= STRIDE)
3828 * - 1: index >= NUM_RECORDS
3829 * - 2: NUM_RECORDS == 0
3830 * - 3: if SWIZZLE_ENABLE == 0: offset >= NUM_RECORDS
3831 * else: swizzle_address >= NUM_RECORDS
3833 state
[7] |= S_008F0C_FORMAT(fmt
->img_format
) |
3834 S_008F0C_OOB_SELECT(0) |
3835 S_008F0C_RESOURCE_LEVEL(1);
3838 unsigned num_format
, data_format
;
3840 first_non_void
= util_format_get_first_non_void_channel(format
);
3841 num_format
= si_translate_buffer_numformat(&screen
->b
, desc
, first_non_void
);
3842 data_format
= si_translate_buffer_dataformat(&screen
->b
, desc
, first_non_void
);
3844 state
[7] |= S_008F0C_NUM_FORMAT(num_format
) |
3845 S_008F0C_DATA_FORMAT(data_format
);
3849 static unsigned gfx9_border_color_swizzle(const unsigned char swizzle
[4])
3851 unsigned bc_swizzle
= V_008F20_BC_SWIZZLE_XYZW
;
3853 if (swizzle
[3] == PIPE_SWIZZLE_X
) {
3854 /* For the pre-defined border color values (white, opaque
3855 * black, transparent black), the only thing that matters is
3856 * that the alpha channel winds up in the correct place
3857 * (because the RGB channels are all the same) so either of
3858 * these enumerations will work.
3860 if (swizzle
[2] == PIPE_SWIZZLE_Y
)
3861 bc_swizzle
= V_008F20_BC_SWIZZLE_WZYX
;
3863 bc_swizzle
= V_008F20_BC_SWIZZLE_WXYZ
;
3864 } else if (swizzle
[0] == PIPE_SWIZZLE_X
) {
3865 if (swizzle
[1] == PIPE_SWIZZLE_Y
)
3866 bc_swizzle
= V_008F20_BC_SWIZZLE_XYZW
;
3868 bc_swizzle
= V_008F20_BC_SWIZZLE_XWYZ
;
3869 } else if (swizzle
[1] == PIPE_SWIZZLE_X
) {
3870 bc_swizzle
= V_008F20_BC_SWIZZLE_YXWZ
;
3871 } else if (swizzle
[2] == PIPE_SWIZZLE_X
) {
3872 bc_swizzle
= V_008F20_BC_SWIZZLE_ZYXW
;
3879 * Build the sampler view descriptor for a texture.
3882 gfx10_make_texture_descriptor(struct si_screen
*screen
,
3883 struct si_texture
*tex
,
3885 enum pipe_texture_target target
,
3886 enum pipe_format pipe_format
,
3887 const unsigned char state_swizzle
[4],
3888 unsigned first_level
, unsigned last_level
,
3889 unsigned first_layer
, unsigned last_layer
,
3890 unsigned width
, unsigned height
, unsigned depth
,
3892 uint32_t *fmask_state
)
3894 struct pipe_resource
*res
= &tex
->buffer
.b
.b
;
3895 const struct util_format_description
*desc
;
3896 unsigned img_format
;
3897 unsigned char swizzle
[4];
3901 desc
= util_format_description(pipe_format
);
3902 img_format
= gfx10_format_table
[pipe_format
].img_format
;
3904 if (desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
) {
3905 const unsigned char swizzle_xxxx
[4] = {0, 0, 0, 0};
3906 const unsigned char swizzle_yyyy
[4] = {1, 1, 1, 1};
3907 const unsigned char swizzle_wwww
[4] = {3, 3, 3, 3};
3908 bool is_stencil
= false;
3910 switch (pipe_format
) {
3911 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
3912 case PIPE_FORMAT_X32_S8X24_UINT
:
3913 case PIPE_FORMAT_X8Z24_UNORM
:
3914 util_format_compose_swizzles(swizzle_yyyy
, state_swizzle
, swizzle
);
3917 case PIPE_FORMAT_X24S8_UINT
:
3919 * X24S8 is implemented as an 8_8_8_8 data format, to
3920 * fix texture gathers. This affects at least
3921 * GL45-CTS.texture_cube_map_array.sampling on GFX8.
3923 util_format_compose_swizzles(swizzle_wwww
, state_swizzle
, swizzle
);
3927 util_format_compose_swizzles(swizzle_xxxx
, state_swizzle
, swizzle
);
3928 is_stencil
= pipe_format
== PIPE_FORMAT_S8_UINT
;
3931 if (tex
->upgraded_depth
&& !is_stencil
) {
3932 assert(img_format
== V_008F0C_IMG_FORMAT_32_FLOAT
);
3933 img_format
= V_008F0C_IMG_FORMAT_32_FLOAT_CLAMP
;
3936 util_format_compose_swizzles(desc
->swizzle
, state_swizzle
, swizzle
);
3940 (res
->target
== PIPE_TEXTURE_CUBE
||
3941 res
->target
== PIPE_TEXTURE_CUBE_ARRAY
)) {
3942 /* For the purpose of shader images, treat cube maps as 2D
3945 type
= V_008F1C_SQ_RSRC_IMG_2D_ARRAY
;
3947 type
= si_tex_dim(screen
, tex
, target
, res
->nr_samples
);
3950 if (type
== V_008F1C_SQ_RSRC_IMG_1D_ARRAY
) {
3952 depth
= res
->array_size
;
3953 } else if (type
== V_008F1C_SQ_RSRC_IMG_2D_ARRAY
||
3954 type
== V_008F1C_SQ_RSRC_IMG_2D_MSAA_ARRAY
) {
3955 if (sampler
|| res
->target
!= PIPE_TEXTURE_3D
)
3956 depth
= res
->array_size
;
3957 } else if (type
== V_008F1C_SQ_RSRC_IMG_CUBE
)
3958 depth
= res
->array_size
/ 6;
3961 state
[1] = S_00A004_FORMAT(img_format
) |
3962 S_00A004_WIDTH_LO(width
- 1);
3963 state
[2] = S_00A008_WIDTH_HI((width
- 1) >> 2) |
3964 S_00A008_HEIGHT(height
- 1) |
3965 S_00A008_RESOURCE_LEVEL(1);
3966 state
[3] = S_00A00C_DST_SEL_X(si_map_swizzle(swizzle
[0])) |
3967 S_00A00C_DST_SEL_Y(si_map_swizzle(swizzle
[1])) |
3968 S_00A00C_DST_SEL_Z(si_map_swizzle(swizzle
[2])) |
3969 S_00A00C_DST_SEL_W(si_map_swizzle(swizzle
[3])) |
3970 S_00A00C_BASE_LEVEL(res
->nr_samples
> 1 ?
3972 S_00A00C_LAST_LEVEL(res
->nr_samples
> 1 ?
3973 util_logbase2(res
->nr_samples
) :
3975 S_00A00C_BC_SWIZZLE(gfx9_border_color_swizzle(desc
->swizzle
)) |
3976 S_00A00C_TYPE(type
);
3977 /* Depth is the the last accessible layer on gfx9+. The hw doesn't need
3978 * to know the total number of layers.
3980 state
[4] = S_00A010_DEPTH((type
== V_008F1C_SQ_RSRC_IMG_3D
&& sampler
)
3981 ? depth
- 1 : last_layer
) |
3982 S_00A010_BASE_ARRAY(first_layer
);
3983 state
[5] = S_00A014_ARRAY_PITCH(!!(type
== V_008F1C_SQ_RSRC_IMG_3D
&& !sampler
)) |
3984 S_00A014_MAX_MIP(res
->nr_samples
> 1 ?
3985 util_logbase2(res
->nr_samples
) :
3986 tex
->buffer
.b
.b
.last_level
) |
3987 S_00A014_PERF_MOD(4);
3991 if (tex
->dcc_offset
) {
3992 state
[6] |= S_00A018_MAX_UNCOMPRESSED_BLOCK_SIZE(V_028C78_MAX_BLOCK_SIZE_256B
) |
3993 S_00A018_MAX_COMPRESSED_BLOCK_SIZE(V_028C78_MAX_BLOCK_SIZE_128B
) |
3994 S_00A018_ALPHA_IS_ON_MSB(vi_alpha_is_on_msb(screen
, pipe_format
));
3997 /* Initialize the sampler view for FMASK. */
3998 if (tex
->fmask_offset
) {
4001 va
= tex
->buffer
.gpu_address
+ tex
->fmask_offset
;
4003 #define FMASK(s,f) (((unsigned)(MAX2(1, s)) * 16) + (MAX2(1, f)))
4004 switch (FMASK(res
->nr_samples
, res
->nr_storage_samples
)) {
4006 format
= V_008F0C_IMG_FORMAT_FMASK8_S2_F1
;
4009 format
= V_008F0C_IMG_FORMAT_FMASK8_S2_F2
;
4012 format
= V_008F0C_IMG_FORMAT_FMASK8_S4_F1
;
4015 format
= V_008F0C_IMG_FORMAT_FMASK8_S4_F2
;
4018 format
= V_008F0C_IMG_FORMAT_FMASK8_S4_F4
;
4021 format
= V_008F0C_IMG_FORMAT_FMASK8_S8_F1
;
4024 format
= V_008F0C_IMG_FORMAT_FMASK16_S8_F2
;
4027 format
= V_008F0C_IMG_FORMAT_FMASK32_S8_F4
;
4030 format
= V_008F0C_IMG_FORMAT_FMASK32_S8_F8
;
4033 format
= V_008F0C_IMG_FORMAT_FMASK16_S16_F1
;
4036 format
= V_008F0C_IMG_FORMAT_FMASK32_S16_F2
;
4039 format
= V_008F0C_IMG_FORMAT_FMASK64_S16_F4
;
4042 format
= V_008F0C_IMG_FORMAT_FMASK64_S16_F8
;
4045 unreachable("invalid nr_samples");
4048 fmask_state
[0] = (va
>> 8) | tex
->surface
.fmask_tile_swizzle
;
4049 fmask_state
[1] = S_00A004_BASE_ADDRESS_HI(va
>> 40) |
4050 S_00A004_FORMAT(format
) |
4051 S_00A004_WIDTH_LO(width
- 1);
4052 fmask_state
[2] = S_00A008_WIDTH_HI((width
- 1) >> 2) |
4053 S_00A008_HEIGHT(height
- 1) |
4054 S_00A008_RESOURCE_LEVEL(1);
4055 fmask_state
[3] = S_00A00C_DST_SEL_X(V_008F1C_SQ_SEL_X
) |
4056 S_00A00C_DST_SEL_Y(V_008F1C_SQ_SEL_X
) |
4057 S_00A00C_DST_SEL_Z(V_008F1C_SQ_SEL_X
) |
4058 S_00A00C_DST_SEL_W(V_008F1C_SQ_SEL_X
) |
4059 S_00A00C_SW_MODE(tex
->surface
.u
.gfx9
.fmask
.swizzle_mode
) |
4060 S_00A00C_TYPE(si_tex_dim(screen
, tex
, target
, 0));
4061 fmask_state
[4] = S_00A010_DEPTH(last_layer
) |
4062 S_00A010_BASE_ARRAY(first_layer
);
4064 fmask_state
[6] = S_00A018_META_PIPE_ALIGNED(tex
->surface
.u
.gfx9
.cmask
.pipe_aligned
);
4070 * Build the sampler view descriptor for a texture (SI-GFX9).
4073 si_make_texture_descriptor(struct si_screen
*screen
,
4074 struct si_texture
*tex
,
4076 enum pipe_texture_target target
,
4077 enum pipe_format pipe_format
,
4078 const unsigned char state_swizzle
[4],
4079 unsigned first_level
, unsigned last_level
,
4080 unsigned first_layer
, unsigned last_layer
,
4081 unsigned width
, unsigned height
, unsigned depth
,
4083 uint32_t *fmask_state
)
4085 struct pipe_resource
*res
= &tex
->buffer
.b
.b
;
4086 const struct util_format_description
*desc
;
4087 unsigned char swizzle
[4];
4089 unsigned num_format
, data_format
, type
, num_samples
;
4092 desc
= util_format_description(pipe_format
);
4094 num_samples
= desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
?
4095 MAX2(1, res
->nr_samples
) :
4096 MAX2(1, res
->nr_storage_samples
);
4098 if (desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
) {
4099 const unsigned char swizzle_xxxx
[4] = {0, 0, 0, 0};
4100 const unsigned char swizzle_yyyy
[4] = {1, 1, 1, 1};
4101 const unsigned char swizzle_wwww
[4] = {3, 3, 3, 3};
4103 switch (pipe_format
) {
4104 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
4105 case PIPE_FORMAT_X32_S8X24_UINT
:
4106 case PIPE_FORMAT_X8Z24_UNORM
:
4107 util_format_compose_swizzles(swizzle_yyyy
, state_swizzle
, swizzle
);
4109 case PIPE_FORMAT_X24S8_UINT
:
4111 * X24S8 is implemented as an 8_8_8_8 data format, to
4112 * fix texture gathers. This affects at least
4113 * GL45-CTS.texture_cube_map_array.sampling on GFX8.
4115 if (screen
->info
.chip_class
<= GFX8
)
4116 util_format_compose_swizzles(swizzle_wwww
, state_swizzle
, swizzle
);
4118 util_format_compose_swizzles(swizzle_yyyy
, state_swizzle
, swizzle
);
4121 util_format_compose_swizzles(swizzle_xxxx
, state_swizzle
, swizzle
);
4124 util_format_compose_swizzles(desc
->swizzle
, state_swizzle
, swizzle
);
4127 first_non_void
= util_format_get_first_non_void_channel(pipe_format
);
4129 switch (pipe_format
) {
4130 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
4131 num_format
= V_008F14_IMG_NUM_FORMAT_UNORM
;
4134 if (first_non_void
< 0) {
4135 if (util_format_is_compressed(pipe_format
)) {
4136 switch (pipe_format
) {
4137 case PIPE_FORMAT_DXT1_SRGB
:
4138 case PIPE_FORMAT_DXT1_SRGBA
:
4139 case PIPE_FORMAT_DXT3_SRGBA
:
4140 case PIPE_FORMAT_DXT5_SRGBA
:
4141 case PIPE_FORMAT_BPTC_SRGBA
:
4142 case PIPE_FORMAT_ETC2_SRGB8
:
4143 case PIPE_FORMAT_ETC2_SRGB8A1
:
4144 case PIPE_FORMAT_ETC2_SRGBA8
:
4145 num_format
= V_008F14_IMG_NUM_FORMAT_SRGB
;
4147 case PIPE_FORMAT_RGTC1_SNORM
:
4148 case PIPE_FORMAT_LATC1_SNORM
:
4149 case PIPE_FORMAT_RGTC2_SNORM
:
4150 case PIPE_FORMAT_LATC2_SNORM
:
4151 case PIPE_FORMAT_ETC2_R11_SNORM
:
4152 case PIPE_FORMAT_ETC2_RG11_SNORM
:
4153 /* implies float, so use SNORM/UNORM to determine
4154 whether data is signed or not */
4155 case PIPE_FORMAT_BPTC_RGB_FLOAT
:
4156 num_format
= V_008F14_IMG_NUM_FORMAT_SNORM
;
4159 num_format
= V_008F14_IMG_NUM_FORMAT_UNORM
;
4162 } else if (desc
->layout
== UTIL_FORMAT_LAYOUT_SUBSAMPLED
) {
4163 num_format
= V_008F14_IMG_NUM_FORMAT_UNORM
;
4165 num_format
= V_008F14_IMG_NUM_FORMAT_FLOAT
;
4167 } else if (desc
->colorspace
== UTIL_FORMAT_COLORSPACE_SRGB
) {
4168 num_format
= V_008F14_IMG_NUM_FORMAT_SRGB
;
4170 num_format
= V_008F14_IMG_NUM_FORMAT_UNORM
;
4172 switch (desc
->channel
[first_non_void
].type
) {
4173 case UTIL_FORMAT_TYPE_FLOAT
:
4174 num_format
= V_008F14_IMG_NUM_FORMAT_FLOAT
;
4176 case UTIL_FORMAT_TYPE_SIGNED
:
4177 if (desc
->channel
[first_non_void
].normalized
)
4178 num_format
= V_008F14_IMG_NUM_FORMAT_SNORM
;
4179 else if (desc
->channel
[first_non_void
].pure_integer
)
4180 num_format
= V_008F14_IMG_NUM_FORMAT_SINT
;
4182 num_format
= V_008F14_IMG_NUM_FORMAT_SSCALED
;
4184 case UTIL_FORMAT_TYPE_UNSIGNED
:
4185 if (desc
->channel
[first_non_void
].normalized
)
4186 num_format
= V_008F14_IMG_NUM_FORMAT_UNORM
;
4187 else if (desc
->channel
[first_non_void
].pure_integer
)
4188 num_format
= V_008F14_IMG_NUM_FORMAT_UINT
;
4190 num_format
= V_008F14_IMG_NUM_FORMAT_USCALED
;
4195 data_format
= si_translate_texformat(&screen
->b
, pipe_format
, desc
, first_non_void
);
4196 if (data_format
== ~0) {
4200 /* S8 with Z32 HTILE needs a special format. */
4201 if (screen
->info
.chip_class
== GFX9
&&
4202 pipe_format
== PIPE_FORMAT_S8_UINT
&&
4203 tex
->tc_compatible_htile
)
4204 data_format
= V_008F14_IMG_DATA_FORMAT_S8_32
;
4207 (res
->target
== PIPE_TEXTURE_CUBE
||
4208 res
->target
== PIPE_TEXTURE_CUBE_ARRAY
||
4209 (screen
->info
.chip_class
<= GFX8
&&
4210 res
->target
== PIPE_TEXTURE_3D
))) {
4211 /* For the purpose of shader images, treat cube maps and 3D
4212 * textures as 2D arrays. For 3D textures, the address
4213 * calculations for mipmaps are different, so we rely on the
4214 * caller to effectively disable mipmaps.
4216 type
= V_008F1C_SQ_RSRC_IMG_2D_ARRAY
;
4218 assert(res
->target
!= PIPE_TEXTURE_3D
|| (first_level
== 0 && last_level
== 0));
4220 type
= si_tex_dim(screen
, tex
, target
, num_samples
);
4223 if (type
== V_008F1C_SQ_RSRC_IMG_1D_ARRAY
) {
4225 depth
= res
->array_size
;
4226 } else if (type
== V_008F1C_SQ_RSRC_IMG_2D_ARRAY
||
4227 type
== V_008F1C_SQ_RSRC_IMG_2D_MSAA_ARRAY
) {
4228 if (sampler
|| res
->target
!= PIPE_TEXTURE_3D
)
4229 depth
= res
->array_size
;
4230 } else if (type
== V_008F1C_SQ_RSRC_IMG_CUBE
)
4231 depth
= res
->array_size
/ 6;
4234 state
[1] = (S_008F14_DATA_FORMAT(data_format
) |
4235 S_008F14_NUM_FORMAT(num_format
));
4236 state
[2] = (S_008F18_WIDTH(width
- 1) |
4237 S_008F18_HEIGHT(height
- 1) |
4238 S_008F18_PERF_MOD(4));
4239 state
[3] = (S_008F1C_DST_SEL_X(si_map_swizzle(swizzle
[0])) |
4240 S_008F1C_DST_SEL_Y(si_map_swizzle(swizzle
[1])) |
4241 S_008F1C_DST_SEL_Z(si_map_swizzle(swizzle
[2])) |
4242 S_008F1C_DST_SEL_W(si_map_swizzle(swizzle
[3])) |
4243 S_008F1C_BASE_LEVEL(num_samples
> 1 ? 0 : first_level
) |
4244 S_008F1C_LAST_LEVEL(num_samples
> 1 ?
4245 util_logbase2(num_samples
) :
4247 S_008F1C_TYPE(type
));
4249 state
[5] = S_008F24_BASE_ARRAY(first_layer
);
4253 if (screen
->info
.chip_class
== GFX9
) {
4254 unsigned bc_swizzle
= gfx9_border_color_swizzle(desc
->swizzle
);
4256 /* Depth is the the last accessible layer on Gfx9.
4257 * The hw doesn't need to know the total number of layers.
4259 if (type
== V_008F1C_SQ_RSRC_IMG_3D
)
4260 state
[4] |= S_008F20_DEPTH(depth
- 1);
4262 state
[4] |= S_008F20_DEPTH(last_layer
);
4264 state
[4] |= S_008F20_BC_SWIZZLE(bc_swizzle
);
4265 state
[5] |= S_008F24_MAX_MIP(num_samples
> 1 ?
4266 util_logbase2(num_samples
) :
4267 tex
->buffer
.b
.b
.last_level
);
4269 state
[3] |= S_008F1C_POW2_PAD(res
->last_level
> 0);
4270 state
[4] |= S_008F20_DEPTH(depth
- 1);
4271 state
[5] |= S_008F24_LAST_ARRAY(last_layer
);
4274 if (tex
->dcc_offset
) {
4275 state
[6] = S_008F28_ALPHA_IS_ON_MSB(vi_alpha_is_on_msb(screen
, pipe_format
));
4277 /* The last dword is unused by hw. The shader uses it to clear
4278 * bits in the first dword of sampler state.
4280 if (screen
->info
.chip_class
<= GFX7
&& res
->nr_samples
<= 1) {
4281 if (first_level
== last_level
)
4282 state
[7] = C_008F30_MAX_ANISO_RATIO
;
4284 state
[7] = 0xffffffff;
4288 /* Initialize the sampler view for FMASK. */
4289 if (tex
->fmask_offset
) {
4290 uint32_t data_format
, num_format
;
4292 va
= tex
->buffer
.gpu_address
+ tex
->fmask_offset
;
4294 #define FMASK(s,f) (((unsigned)(MAX2(1, s)) * 16) + (MAX2(1, f)))
4295 if (screen
->info
.chip_class
== GFX9
) {
4296 data_format
= V_008F14_IMG_DATA_FORMAT_FMASK
;
4297 switch (FMASK(res
->nr_samples
, res
->nr_storage_samples
)) {
4299 num_format
= V_008F14_IMG_FMASK_8_2_1
;
4302 num_format
= V_008F14_IMG_FMASK_8_2_2
;
4305 num_format
= V_008F14_IMG_FMASK_8_4_1
;
4308 num_format
= V_008F14_IMG_FMASK_8_4_2
;
4311 num_format
= V_008F14_IMG_FMASK_8_4_4
;
4314 num_format
= V_008F14_IMG_FMASK_8_8_1
;
4317 num_format
= V_008F14_IMG_FMASK_16_8_2
;
4320 num_format
= V_008F14_IMG_FMASK_32_8_4
;
4323 num_format
= V_008F14_IMG_FMASK_32_8_8
;
4326 num_format
= V_008F14_IMG_FMASK_16_16_1
;
4329 num_format
= V_008F14_IMG_FMASK_32_16_2
;
4332 num_format
= V_008F14_IMG_FMASK_64_16_4
;
4335 num_format
= V_008F14_IMG_FMASK_64_16_8
;
4338 unreachable("invalid nr_samples");
4341 switch (FMASK(res
->nr_samples
, res
->nr_storage_samples
)) {
4343 data_format
= V_008F14_IMG_DATA_FORMAT_FMASK8_S2_F1
;
4346 data_format
= V_008F14_IMG_DATA_FORMAT_FMASK8_S2_F2
;
4349 data_format
= V_008F14_IMG_DATA_FORMAT_FMASK8_S4_F1
;
4352 data_format
= V_008F14_IMG_DATA_FORMAT_FMASK8_S4_F2
;
4355 data_format
= V_008F14_IMG_DATA_FORMAT_FMASK8_S4_F4
;
4358 data_format
= V_008F14_IMG_DATA_FORMAT_FMASK8_S8_F1
;
4361 data_format
= V_008F14_IMG_DATA_FORMAT_FMASK16_S8_F2
;
4364 data_format
= V_008F14_IMG_DATA_FORMAT_FMASK32_S8_F4
;
4367 data_format
= V_008F14_IMG_DATA_FORMAT_FMASK32_S8_F8
;
4370 data_format
= V_008F14_IMG_DATA_FORMAT_FMASK16_S16_F1
;
4373 data_format
= V_008F14_IMG_DATA_FORMAT_FMASK32_S16_F2
;
4376 data_format
= V_008F14_IMG_DATA_FORMAT_FMASK64_S16_F4
;
4379 data_format
= V_008F14_IMG_DATA_FORMAT_FMASK64_S16_F8
;
4382 unreachable("invalid nr_samples");
4384 num_format
= V_008F14_IMG_NUM_FORMAT_UINT
;
4388 fmask_state
[0] = (va
>> 8) | tex
->surface
.fmask_tile_swizzle
;
4389 fmask_state
[1] = S_008F14_BASE_ADDRESS_HI(va
>> 40) |
4390 S_008F14_DATA_FORMAT(data_format
) |
4391 S_008F14_NUM_FORMAT(num_format
);
4392 fmask_state
[2] = S_008F18_WIDTH(width
- 1) |
4393 S_008F18_HEIGHT(height
- 1);
4394 fmask_state
[3] = S_008F1C_DST_SEL_X(V_008F1C_SQ_SEL_X
) |
4395 S_008F1C_DST_SEL_Y(V_008F1C_SQ_SEL_X
) |
4396 S_008F1C_DST_SEL_Z(V_008F1C_SQ_SEL_X
) |
4397 S_008F1C_DST_SEL_W(V_008F1C_SQ_SEL_X
) |
4398 S_008F1C_TYPE(si_tex_dim(screen
, tex
, target
, 0));
4400 fmask_state
[5] = S_008F24_BASE_ARRAY(first_layer
);
4404 if (screen
->info
.chip_class
== GFX9
) {
4405 fmask_state
[3] |= S_008F1C_SW_MODE(tex
->surface
.u
.gfx9
.fmask
.swizzle_mode
);
4406 fmask_state
[4] |= S_008F20_DEPTH(last_layer
) |
4407 S_008F20_PITCH(tex
->surface
.u
.gfx9
.fmask
.epitch
);
4408 fmask_state
[5] |= S_008F24_META_PIPE_ALIGNED(tex
->surface
.u
.gfx9
.cmask
.pipe_aligned
) |
4409 S_008F24_META_RB_ALIGNED(tex
->surface
.u
.gfx9
.cmask
.rb_aligned
);
4411 fmask_state
[3] |= S_008F1C_TILING_INDEX(tex
->surface
.u
.legacy
.fmask
.tiling_index
);
4412 fmask_state
[4] |= S_008F20_DEPTH(depth
- 1) |
4413 S_008F20_PITCH(tex
->surface
.u
.legacy
.fmask
.pitch_in_pixels
- 1);
4414 fmask_state
[5] |= S_008F24_LAST_ARRAY(last_layer
);
4420 * Create a sampler view.
4422 * @param ctx context
4423 * @param texture texture
4424 * @param state sampler view template
4425 * @param width0 width0 override (for compressed textures as int)
4426 * @param height0 height0 override (for compressed textures as int)
4427 * @param force_level set the base address to the level (for compressed textures)
4429 struct pipe_sampler_view
*
4430 si_create_sampler_view_custom(struct pipe_context
*ctx
,
4431 struct pipe_resource
*texture
,
4432 const struct pipe_sampler_view
*state
,
4433 unsigned width0
, unsigned height0
,
4434 unsigned force_level
)
4436 struct si_context
*sctx
= (struct si_context
*)ctx
;
4437 struct si_sampler_view
*view
= CALLOC_STRUCT(si_sampler_view
);
4438 struct si_texture
*tex
= (struct si_texture
*)texture
;
4439 unsigned base_level
, first_level
, last_level
;
4440 unsigned char state_swizzle
[4];
4441 unsigned height
, depth
, width
;
4442 unsigned last_layer
= state
->u
.tex
.last_layer
;
4443 enum pipe_format pipe_format
;
4444 const struct legacy_surf_level
*surflevel
;
4449 /* initialize base object */
4450 view
->base
= *state
;
4451 view
->base
.texture
= NULL
;
4452 view
->base
.reference
.count
= 1;
4453 view
->base
.context
= ctx
;
4456 pipe_resource_reference(&view
->base
.texture
, texture
);
4458 if (state
->format
== PIPE_FORMAT_X24S8_UINT
||
4459 state
->format
== PIPE_FORMAT_S8X24_UINT
||
4460 state
->format
== PIPE_FORMAT_X32_S8X24_UINT
||
4461 state
->format
== PIPE_FORMAT_S8_UINT
)
4462 view
->is_stencil_sampler
= true;
4464 /* Buffer resource. */
4465 if (texture
->target
== PIPE_BUFFER
) {
4466 si_make_buffer_descriptor(sctx
->screen
,
4467 si_resource(texture
),
4469 state
->u
.buf
.offset
,
4475 state_swizzle
[0] = state
->swizzle_r
;
4476 state_swizzle
[1] = state
->swizzle_g
;
4477 state_swizzle
[2] = state
->swizzle_b
;
4478 state_swizzle
[3] = state
->swizzle_a
;
4481 first_level
= state
->u
.tex
.first_level
;
4482 last_level
= state
->u
.tex
.last_level
;
4485 depth
= texture
->depth0
;
4487 if (sctx
->chip_class
<= GFX8
&& force_level
) {
4488 assert(force_level
== first_level
&&
4489 force_level
== last_level
);
4490 base_level
= force_level
;
4493 width
= u_minify(width
, force_level
);
4494 height
= u_minify(height
, force_level
);
4495 depth
= u_minify(depth
, force_level
);
4498 /* This is not needed if state trackers set last_layer correctly. */
4499 if (state
->target
== PIPE_TEXTURE_1D
||
4500 state
->target
== PIPE_TEXTURE_2D
||
4501 state
->target
== PIPE_TEXTURE_RECT
||
4502 state
->target
== PIPE_TEXTURE_CUBE
)
4503 last_layer
= state
->u
.tex
.first_layer
;
4505 /* Texturing with separate depth and stencil. */
4506 pipe_format
= state
->format
;
4508 /* Depth/stencil texturing sometimes needs separate texture. */
4509 if (tex
->is_depth
&& !si_can_sample_zs(tex
, view
->is_stencil_sampler
)) {
4510 if (!tex
->flushed_depth_texture
&&
4511 !si_init_flushed_depth_texture(ctx
, texture
)) {
4512 pipe_resource_reference(&view
->base
.texture
, NULL
);
4517 assert(tex
->flushed_depth_texture
);
4519 /* Override format for the case where the flushed texture
4520 * contains only Z or only S.
4522 if (tex
->flushed_depth_texture
->buffer
.b
.b
.format
!= tex
->buffer
.b
.b
.format
)
4523 pipe_format
= tex
->flushed_depth_texture
->buffer
.b
.b
.format
;
4525 tex
= tex
->flushed_depth_texture
;
4528 surflevel
= tex
->surface
.u
.legacy
.level
;
4530 if (tex
->db_compatible
) {
4531 if (!view
->is_stencil_sampler
)
4532 pipe_format
= tex
->db_render_format
;
4534 switch (pipe_format
) {
4535 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
:
4536 pipe_format
= PIPE_FORMAT_Z32_FLOAT
;
4538 case PIPE_FORMAT_X8Z24_UNORM
:
4539 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
4540 /* Z24 is always stored like this for DB
4543 pipe_format
= PIPE_FORMAT_Z24X8_UNORM
;
4545 case PIPE_FORMAT_X24S8_UINT
:
4546 case PIPE_FORMAT_S8X24_UINT
:
4547 case PIPE_FORMAT_X32_S8X24_UINT
:
4548 pipe_format
= PIPE_FORMAT_S8_UINT
;
4549 surflevel
= tex
->surface
.u
.legacy
.stencil_level
;
4555 view
->dcc_incompatible
=
4556 vi_dcc_formats_are_incompatible(texture
,
4557 state
->u
.tex
.first_level
,
4560 sctx
->screen
->make_texture_descriptor(sctx
->screen
, tex
, true,
4561 state
->target
, pipe_format
, state_swizzle
,
4562 first_level
, last_level
,
4563 state
->u
.tex
.first_layer
, last_layer
,
4564 width
, height
, depth
,
4565 view
->state
, view
->fmask_state
);
4567 const struct util_format_description
*desc
= util_format_description(pipe_format
);
4568 view
->is_integer
= false;
4570 for (unsigned i
= 0; i
< desc
->nr_channels
; ++i
) {
4571 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_VOID
)
4574 /* Whether the number format is {U,S}{SCALED,INT} */
4576 (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_UNSIGNED
||
4577 desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_SIGNED
) &&
4578 (desc
->channel
[i
].pure_integer
|| !desc
->channel
[i
].normalized
);
4582 view
->base_level_info
= &surflevel
[base_level
];
4583 view
->base_level
= base_level
;
4584 view
->block_width
= util_format_get_blockwidth(pipe_format
);
4588 static struct pipe_sampler_view
*
4589 si_create_sampler_view(struct pipe_context
*ctx
,
4590 struct pipe_resource
*texture
,
4591 const struct pipe_sampler_view
*state
)
4593 return si_create_sampler_view_custom(ctx
, texture
, state
,
4594 texture
? texture
->width0
: 0,
4595 texture
? texture
->height0
: 0, 0);
4598 static void si_sampler_view_destroy(struct pipe_context
*ctx
,
4599 struct pipe_sampler_view
*state
)
4601 struct si_sampler_view
*view
= (struct si_sampler_view
*)state
;
4603 pipe_resource_reference(&state
->texture
, NULL
);
4607 static bool wrap_mode_uses_border_color(unsigned wrap
, bool linear_filter
)
4609 return wrap
== PIPE_TEX_WRAP_CLAMP_TO_BORDER
||
4610 wrap
== PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER
||
4612 (wrap
== PIPE_TEX_WRAP_CLAMP
||
4613 wrap
== PIPE_TEX_WRAP_MIRROR_CLAMP
));
4616 static uint32_t si_translate_border_color(struct si_context
*sctx
,
4617 const struct pipe_sampler_state
*state
,
4618 const union pipe_color_union
*color
,
4621 bool linear_filter
= state
->min_img_filter
!= PIPE_TEX_FILTER_NEAREST
||
4622 state
->mag_img_filter
!= PIPE_TEX_FILTER_NEAREST
;
4624 if (!wrap_mode_uses_border_color(state
->wrap_s
, linear_filter
) &&
4625 !wrap_mode_uses_border_color(state
->wrap_t
, linear_filter
) &&
4626 !wrap_mode_uses_border_color(state
->wrap_r
, linear_filter
))
4627 return S_008F3C_BORDER_COLOR_TYPE(V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK
);
4629 #define simple_border_types(elt) \
4631 if (color->elt[0] == 0 && color->elt[1] == 0 && \
4632 color->elt[2] == 0 && color->elt[3] == 0) \
4633 return S_008F3C_BORDER_COLOR_TYPE(V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK); \
4634 if (color->elt[0] == 0 && color->elt[1] == 0 && \
4635 color->elt[2] == 0 && color->elt[3] == 1) \
4636 return S_008F3C_BORDER_COLOR_TYPE(V_008F3C_SQ_TEX_BORDER_COLOR_OPAQUE_BLACK); \
4637 if (color->elt[0] == 1 && color->elt[1] == 1 && \
4638 color->elt[2] == 1 && color->elt[3] == 1) \
4639 return S_008F3C_BORDER_COLOR_TYPE(V_008F3C_SQ_TEX_BORDER_COLOR_OPAQUE_WHITE); \
4643 simple_border_types(ui
);
4645 simple_border_types(f
);
4647 #undef simple_border_types
4651 /* Check if the border has been uploaded already. */
4652 for (i
= 0; i
< sctx
->border_color_count
; i
++)
4653 if (memcmp(&sctx
->border_color_table
[i
], color
,
4654 sizeof(*color
)) == 0)
4657 if (i
>= SI_MAX_BORDER_COLORS
) {
4658 /* Getting 4096 unique border colors is very unlikely. */
4659 fprintf(stderr
, "radeonsi: The border color table is full. "
4660 "Any new border colors will be just black. "
4661 "Please file a bug.\n");
4662 return S_008F3C_BORDER_COLOR_TYPE(V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK
);
4665 if (i
== sctx
->border_color_count
) {
4666 /* Upload a new border color. */
4667 memcpy(&sctx
->border_color_table
[i
], color
,
4669 util_memcpy_cpu_to_le32(&sctx
->border_color_map
[i
],
4670 color
, sizeof(*color
));
4671 sctx
->border_color_count
++;
4674 return S_008F3C_BORDER_COLOR_PTR(i
) |
4675 S_008F3C_BORDER_COLOR_TYPE(V_008F3C_SQ_TEX_BORDER_COLOR_REGISTER
);
4678 static inline int S_FIXED(float value
, unsigned frac_bits
)
4680 return value
* (1 << frac_bits
);
4683 static inline unsigned si_tex_filter(unsigned filter
, unsigned max_aniso
)
4685 if (filter
== PIPE_TEX_FILTER_LINEAR
)
4686 return max_aniso
> 1 ? V_008F38_SQ_TEX_XY_FILTER_ANISO_BILINEAR
4687 : V_008F38_SQ_TEX_XY_FILTER_BILINEAR
;
4689 return max_aniso
> 1 ? V_008F38_SQ_TEX_XY_FILTER_ANISO_POINT
4690 : V_008F38_SQ_TEX_XY_FILTER_POINT
;
4693 static inline unsigned si_tex_aniso_filter(unsigned filter
)
4706 static void *si_create_sampler_state(struct pipe_context
*ctx
,
4707 const struct pipe_sampler_state
*state
)
4709 struct si_context
*sctx
= (struct si_context
*)ctx
;
4710 struct si_screen
*sscreen
= sctx
->screen
;
4711 struct si_sampler_state
*rstate
= CALLOC_STRUCT(si_sampler_state
);
4712 unsigned max_aniso
= sscreen
->force_aniso
>= 0 ? sscreen
->force_aniso
4713 : state
->max_anisotropy
;
4714 unsigned max_aniso_ratio
= si_tex_aniso_filter(max_aniso
);
4715 union pipe_color_union clamped_border_color
;
4722 rstate
->magic
= SI_SAMPLER_STATE_MAGIC
;
4724 rstate
->val
[0] = (S_008F30_CLAMP_X(si_tex_wrap(state
->wrap_s
)) |
4725 S_008F30_CLAMP_Y(si_tex_wrap(state
->wrap_t
)) |
4726 S_008F30_CLAMP_Z(si_tex_wrap(state
->wrap_r
)) |
4727 S_008F30_MAX_ANISO_RATIO(max_aniso_ratio
) |
4728 S_008F30_DEPTH_COMPARE_FUNC(si_tex_compare(state
->compare_func
)) |
4729 S_008F30_FORCE_UNNORMALIZED(!state
->normalized_coords
) |
4730 S_008F30_ANISO_THRESHOLD(max_aniso_ratio
>> 1) |
4731 S_008F30_ANISO_BIAS(max_aniso_ratio
) |
4732 S_008F30_DISABLE_CUBE_WRAP(!state
->seamless_cube_map
) |
4733 S_008F30_COMPAT_MODE(sctx
->chip_class
== GFX8
|| sctx
->chip_class
== GFX9
));
4734 rstate
->val
[1] = (S_008F34_MIN_LOD(S_FIXED(CLAMP(state
->min_lod
, 0, 15), 8)) |
4735 S_008F34_MAX_LOD(S_FIXED(CLAMP(state
->max_lod
, 0, 15), 8)) |
4736 S_008F34_PERF_MIP(max_aniso_ratio
? max_aniso_ratio
+ 6 : 0));
4737 rstate
->val
[2] = (S_008F38_LOD_BIAS(S_FIXED(CLAMP(state
->lod_bias
, -16, 16), 8)) |
4738 S_008F38_XY_MAG_FILTER(si_tex_filter(state
->mag_img_filter
, max_aniso
)) |
4739 S_008F38_XY_MIN_FILTER(si_tex_filter(state
->min_img_filter
, max_aniso
)) |
4740 S_008F38_MIP_FILTER(si_tex_mipfilter(state
->min_mip_filter
)) |
4741 S_008F38_MIP_POINT_PRECLAMP(0));
4742 rstate
->val
[3] = si_translate_border_color(sctx
, state
, &state
->border_color
, false);
4744 if (sscreen
->info
.chip_class
>= GFX10
) {
4745 rstate
->val
[2] |= S_008F38_ANISO_OVERRIDE_GFX10(1);
4747 rstate
->val
[2] |= S_008F38_DISABLE_LSB_CEIL(sctx
->chip_class
<= GFX8
) |
4748 S_008F38_FILTER_PREC_FIX(1) |
4749 S_008F38_ANISO_OVERRIDE_GFX6(sctx
->chip_class
>= GFX8
);
4752 /* Create sampler resource for integer textures. */
4753 memcpy(rstate
->integer_val
, rstate
->val
, sizeof(rstate
->val
));
4754 rstate
->integer_val
[3] = si_translate_border_color(sctx
, state
, &state
->border_color
, true);
4756 /* Create sampler resource for upgraded depth textures. */
4757 memcpy(rstate
->upgraded_depth_val
, rstate
->val
, sizeof(rstate
->val
));
4759 for (unsigned i
= 0; i
< 4; ++i
) {
4760 /* Use channel 0 on purpose, so that we can use OPAQUE_WHITE
4761 * when the border color is 1.0. */
4762 clamped_border_color
.f
[i
] = CLAMP(state
->border_color
.f
[0], 0, 1);
4765 if (memcmp(&state
->border_color
, &clamped_border_color
, sizeof(clamped_border_color
)) == 0) {
4766 if (sscreen
->info
.chip_class
<= GFX9
)
4767 rstate
->upgraded_depth_val
[3] |= S_008F3C_UPGRADED_DEPTH(1);
4769 rstate
->upgraded_depth_val
[3] =
4770 si_translate_border_color(sctx
, state
, &clamped_border_color
, false);
4776 static void si_set_sample_mask(struct pipe_context
*ctx
, unsigned sample_mask
)
4778 struct si_context
*sctx
= (struct si_context
*)ctx
;
4780 if (sctx
->sample_mask
== (uint16_t)sample_mask
)
4783 sctx
->sample_mask
= sample_mask
;
4784 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.sample_mask
);
4787 static void si_emit_sample_mask(struct si_context
*sctx
)
4789 struct radeon_cmdbuf
*cs
= sctx
->gfx_cs
;
4790 unsigned mask
= sctx
->sample_mask
;
4792 /* Needed for line and polygon smoothing as well as for the Polaris
4793 * small primitive filter. We expect the state tracker to take care of
4796 assert(mask
== 0xffff || sctx
->framebuffer
.nr_samples
> 1 ||
4797 (mask
& 1 && sctx
->blitter
->running
));
4799 radeon_set_context_reg_seq(cs
, R_028C38_PA_SC_AA_MASK_X0Y0_X1Y0
, 2);
4800 radeon_emit(cs
, mask
| (mask
<< 16));
4801 radeon_emit(cs
, mask
| (mask
<< 16));
4804 static void si_delete_sampler_state(struct pipe_context
*ctx
, void *state
)
4807 struct si_sampler_state
*s
= state
;
4809 assert(s
->magic
== SI_SAMPLER_STATE_MAGIC
);
4816 * Vertex elements & buffers
4819 struct si_fast_udiv_info32
4820 si_compute_fast_udiv_info32(uint32_t D
, unsigned num_bits
)
4822 struct util_fast_udiv_info info
=
4823 util_compute_fast_udiv_info(D
, num_bits
, 32);
4825 struct si_fast_udiv_info32 result
= {
4834 static void *si_create_vertex_elements(struct pipe_context
*ctx
,
4836 const struct pipe_vertex_element
*elements
)
4838 struct si_screen
*sscreen
= (struct si_screen
*)ctx
->screen
;
4839 struct si_vertex_elements
*v
= CALLOC_STRUCT(si_vertex_elements
);
4840 bool used
[SI_NUM_VERTEX_BUFFERS
] = {};
4841 struct si_fast_udiv_info32 divisor_factors
[SI_MAX_ATTRIBS
] = {};
4842 STATIC_ASSERT(sizeof(struct si_fast_udiv_info32
) == 16);
4843 STATIC_ASSERT(sizeof(divisor_factors
[0].multiplier
) == 4);
4844 STATIC_ASSERT(sizeof(divisor_factors
[0].pre_shift
) == 4);
4845 STATIC_ASSERT(sizeof(divisor_factors
[0].post_shift
) == 4);
4846 STATIC_ASSERT(sizeof(divisor_factors
[0].increment
) == 4);
4849 assert(count
<= SI_MAX_ATTRIBS
);
4854 v
->desc_list_byte_size
= align(count
* 16, SI_CPDMA_ALIGNMENT
);
4856 for (i
= 0; i
< count
; ++i
) {
4857 const struct util_format_description
*desc
;
4858 const struct util_format_channel_description
*channel
;
4860 unsigned vbo_index
= elements
[i
].vertex_buffer_index
;
4862 if (vbo_index
>= SI_NUM_VERTEX_BUFFERS
) {
4867 unsigned instance_divisor
= elements
[i
].instance_divisor
;
4868 if (instance_divisor
) {
4869 v
->uses_instance_divisors
= true;
4871 if (instance_divisor
== 1) {
4872 v
->instance_divisor_is_one
|= 1u << i
;
4874 v
->instance_divisor_is_fetched
|= 1u << i
;
4875 divisor_factors
[i
] =
4876 si_compute_fast_udiv_info32(instance_divisor
, 32);
4880 if (!used
[vbo_index
]) {
4881 v
->first_vb_use_mask
|= 1 << i
;
4882 used
[vbo_index
] = true;
4885 desc
= util_format_description(elements
[i
].src_format
);
4886 first_non_void
= util_format_get_first_non_void_channel(elements
[i
].src_format
);
4887 channel
= first_non_void
>= 0 ? &desc
->channel
[first_non_void
] : NULL
;
4889 v
->format_size
[i
] = desc
->block
.bits
/ 8;
4890 v
->src_offset
[i
] = elements
[i
].src_offset
;
4891 v
->vertex_buffer_index
[i
] = vbo_index
;
4893 bool always_fix
= false;
4894 union si_vs_fix_fetch fix_fetch
;
4895 unsigned log_hw_load_size
; /* the load element size as seen by the hardware */
4898 log_hw_load_size
= MIN2(2, util_logbase2(desc
->block
.bits
) - 3);
4901 switch (channel
->type
) {
4902 case UTIL_FORMAT_TYPE_FLOAT
: fix_fetch
.u
.format
= AC_FETCH_FORMAT_FLOAT
; break;
4903 case UTIL_FORMAT_TYPE_FIXED
: fix_fetch
.u
.format
= AC_FETCH_FORMAT_FIXED
; break;
4904 case UTIL_FORMAT_TYPE_SIGNED
: {
4905 if (channel
->pure_integer
)
4906 fix_fetch
.u
.format
= AC_FETCH_FORMAT_SINT
;
4907 else if (channel
->normalized
)
4908 fix_fetch
.u
.format
= AC_FETCH_FORMAT_SNORM
;
4910 fix_fetch
.u
.format
= AC_FETCH_FORMAT_SSCALED
;
4913 case UTIL_FORMAT_TYPE_UNSIGNED
: {
4914 if (channel
->pure_integer
)
4915 fix_fetch
.u
.format
= AC_FETCH_FORMAT_UINT
;
4916 else if (channel
->normalized
)
4917 fix_fetch
.u
.format
= AC_FETCH_FORMAT_UNORM
;
4919 fix_fetch
.u
.format
= AC_FETCH_FORMAT_USCALED
;
4922 default: unreachable("bad format type");
4925 switch (elements
[i
].src_format
) {
4926 case PIPE_FORMAT_R11G11B10_FLOAT
: fix_fetch
.u
.format
= AC_FETCH_FORMAT_FLOAT
; break;
4927 default: unreachable("bad other format");
4931 if (desc
->channel
[0].size
== 10) {
4932 fix_fetch
.u
.log_size
= 3; /* special encoding for 2_10_10_10 */
4933 log_hw_load_size
= 2;
4935 /* The hardware always treats the 2-bit alpha channel as
4936 * unsigned, so a shader workaround is needed. The affected
4937 * chips are GFX8 and older except Stoney (GFX8.1).
4939 always_fix
= sscreen
->info
.chip_class
<= GFX8
&&
4940 sscreen
->info
.family
!= CHIP_STONEY
&&
4941 channel
->type
== UTIL_FORMAT_TYPE_SIGNED
;
4942 } else if (elements
[i
].src_format
== PIPE_FORMAT_R11G11B10_FLOAT
) {
4943 fix_fetch
.u
.log_size
= 3; /* special encoding */
4944 fix_fetch
.u
.format
= AC_FETCH_FORMAT_FIXED
;
4945 log_hw_load_size
= 2;
4947 fix_fetch
.u
.log_size
= util_logbase2(channel
->size
) - 3;
4948 fix_fetch
.u
.num_channels_m1
= desc
->nr_channels
- 1;
4951 * - doubles (multiple loads + truncate to float)
4952 * - 32-bit requiring a conversion
4955 (fix_fetch
.u
.log_size
== 3) ||
4956 (fix_fetch
.u
.log_size
== 2 &&
4957 fix_fetch
.u
.format
!= AC_FETCH_FORMAT_FLOAT
&&
4958 fix_fetch
.u
.format
!= AC_FETCH_FORMAT_UINT
&&
4959 fix_fetch
.u
.format
!= AC_FETCH_FORMAT_SINT
);
4961 /* Also fixup 8_8_8 and 16_16_16. */
4962 if (desc
->nr_channels
== 3 && fix_fetch
.u
.log_size
<= 1) {
4964 log_hw_load_size
= fix_fetch
.u
.log_size
;
4968 if (desc
->swizzle
[0] != PIPE_SWIZZLE_X
) {
4969 assert(desc
->swizzle
[0] == PIPE_SWIZZLE_Z
&&
4970 (desc
->swizzle
[2] == PIPE_SWIZZLE_X
|| desc
->swizzle
[2] == PIPE_SWIZZLE_0
));
4971 fix_fetch
.u
.reverse
= 1;
4974 /* Force the workaround for unaligned access here already if the
4975 * offset relative to the vertex buffer base is unaligned.
4977 * There is a theoretical case in which this is too conservative:
4978 * if the vertex buffer's offset is also unaligned in just the
4979 * right way, we end up with an aligned address after all.
4980 * However, this case should be extremely rare in practice (it
4981 * won't happen in well-behaved applications), and taking it
4982 * into account would complicate the fast path (where everything
4983 * is nicely aligned).
4985 bool check_alignment
=
4986 log_hw_load_size
>= 1 &&
4987 (sscreen
->info
.chip_class
== GFX6
|| sscreen
->info
.chip_class
== GFX10
);
4988 bool opencode
= sscreen
->options
.vs_fetch_always_opencode
;
4990 if (check_alignment
&&
4991 (elements
[i
].src_offset
& ((1 << log_hw_load_size
) - 1)) != 0)
4994 if (always_fix
|| check_alignment
|| opencode
)
4995 v
->fix_fetch
[i
] = fix_fetch
.bits
;
4998 v
->fix_fetch_opencode
|= 1 << i
;
4999 if (opencode
|| always_fix
)
5000 v
->fix_fetch_always
|= 1 << i
;
5002 if (check_alignment
&& !opencode
) {
5003 assert(log_hw_load_size
== 1 || log_hw_load_size
== 2);
5005 v
->fix_fetch_unaligned
|= 1 << i
;
5006 v
->hw_load_is_dword
|= (log_hw_load_size
- 1) << i
;
5007 v
->vb_alignment_check_mask
|= 1 << vbo_index
;
5010 v
->rsrc_word3
[i
] = S_008F0C_DST_SEL_X(si_map_swizzle(desc
->swizzle
[0])) |
5011 S_008F0C_DST_SEL_Y(si_map_swizzle(desc
->swizzle
[1])) |
5012 S_008F0C_DST_SEL_Z(si_map_swizzle(desc
->swizzle
[2])) |
5013 S_008F0C_DST_SEL_W(si_map_swizzle(desc
->swizzle
[3]));
5015 if (sscreen
->info
.chip_class
>= GFX10
) {
5016 const struct gfx10_format
*fmt
=
5017 &gfx10_format_table
[elements
[i
].src_format
];
5018 assert(fmt
->img_format
!= 0 && fmt
->img_format
< 128);
5019 v
->rsrc_word3
[i
] |= S_008F0C_FORMAT(fmt
->img_format
) |
5020 S_008F0C_RESOURCE_LEVEL(1);
5022 unsigned data_format
, num_format
;
5023 data_format
= si_translate_buffer_dataformat(ctx
->screen
, desc
, first_non_void
);
5024 num_format
= si_translate_buffer_numformat(ctx
->screen
, desc
, first_non_void
);
5025 v
->rsrc_word3
[i
] |= S_008F0C_NUM_FORMAT(num_format
) |
5026 S_008F0C_DATA_FORMAT(data_format
);
5030 if (v
->instance_divisor_is_fetched
) {
5031 unsigned num_divisors
= util_last_bit(v
->instance_divisor_is_fetched
);
5033 v
->instance_divisor_factor_buffer
=
5034 (struct si_resource
*)
5035 pipe_buffer_create(&sscreen
->b
, 0, PIPE_USAGE_DEFAULT
,
5036 num_divisors
* sizeof(divisor_factors
[0]));
5037 if (!v
->instance_divisor_factor_buffer
) {
5041 void *map
= sscreen
->ws
->buffer_map(v
->instance_divisor_factor_buffer
->buf
,
5042 NULL
, PIPE_TRANSFER_WRITE
);
5043 memcpy(map
, divisor_factors
, num_divisors
* sizeof(divisor_factors
[0]));
5048 static void si_bind_vertex_elements(struct pipe_context
*ctx
, void *state
)
5050 struct si_context
*sctx
= (struct si_context
*)ctx
;
5051 struct si_vertex_elements
*old
= sctx
->vertex_elements
;
5052 struct si_vertex_elements
*v
= (struct si_vertex_elements
*)state
;
5054 sctx
->vertex_elements
= v
;
5055 sctx
->vertex_buffers_dirty
= true;
5059 old
->count
!= v
->count
||
5060 old
->uses_instance_divisors
!= v
->uses_instance_divisors
||
5061 /* we don't check which divisors changed */
5062 v
->uses_instance_divisors
||
5063 (old
->vb_alignment_check_mask
^ v
->vb_alignment_check_mask
) & sctx
->vertex_buffer_unaligned
||
5064 ((v
->vb_alignment_check_mask
& sctx
->vertex_buffer_unaligned
) &&
5065 memcmp(old
->vertex_buffer_index
, v
->vertex_buffer_index
,
5066 sizeof(v
->vertex_buffer_index
[0]) * v
->count
)) ||
5067 /* fix_fetch_{always,opencode,unaligned} and hw_load_is_dword are
5068 * functions of fix_fetch and the src_offset alignment.
5069 * If they change and fix_fetch doesn't, it must be due to different
5070 * src_offset alignment, which is reflected in fix_fetch_opencode. */
5071 old
->fix_fetch_opencode
!= v
->fix_fetch_opencode
||
5072 memcmp(old
->fix_fetch
, v
->fix_fetch
, sizeof(v
->fix_fetch
[0]) * v
->count
)))
5073 sctx
->do_update_shaders
= true;
5075 if (v
&& v
->instance_divisor_is_fetched
) {
5076 struct pipe_constant_buffer cb
;
5078 cb
.buffer
= &v
->instance_divisor_factor_buffer
->b
.b
;
5079 cb
.user_buffer
= NULL
;
5080 cb
.buffer_offset
= 0;
5081 cb
.buffer_size
= 0xffffffff;
5082 si_set_rw_buffer(sctx
, SI_VS_CONST_INSTANCE_DIVISORS
, &cb
);
5086 static void si_delete_vertex_element(struct pipe_context
*ctx
, void *state
)
5088 struct si_context
*sctx
= (struct si_context
*)ctx
;
5089 struct si_vertex_elements
*v
= (struct si_vertex_elements
*)state
;
5091 if (sctx
->vertex_elements
== state
)
5092 sctx
->vertex_elements
= NULL
;
5093 si_resource_reference(&v
->instance_divisor_factor_buffer
, NULL
);
5097 static void si_set_vertex_buffers(struct pipe_context
*ctx
,
5098 unsigned start_slot
, unsigned count
,
5099 const struct pipe_vertex_buffer
*buffers
)
5101 struct si_context
*sctx
= (struct si_context
*)ctx
;
5102 struct pipe_vertex_buffer
*dst
= sctx
->vertex_buffer
+ start_slot
;
5103 uint32_t orig_unaligned
= sctx
->vertex_buffer_unaligned
;
5104 uint32_t unaligned
= orig_unaligned
;
5107 assert(start_slot
+ count
<= ARRAY_SIZE(sctx
->vertex_buffer
));
5110 for (i
= 0; i
< count
; i
++) {
5111 const struct pipe_vertex_buffer
*src
= buffers
+ i
;
5112 struct pipe_vertex_buffer
*dsti
= dst
+ i
;
5113 struct pipe_resource
*buf
= src
->buffer
.resource
;
5115 pipe_resource_reference(&dsti
->buffer
.resource
, buf
);
5116 dsti
->buffer_offset
= src
->buffer_offset
;
5117 dsti
->stride
= src
->stride
;
5118 if (dsti
->buffer_offset
& 3 || dsti
->stride
& 3)
5119 unaligned
|= 1 << (start_slot
+ i
);
5121 unaligned
&= ~(1 << (start_slot
+ i
));
5123 si_context_add_resource_size(sctx
, buf
);
5125 si_resource(buf
)->bind_history
|= PIPE_BIND_VERTEX_BUFFER
;
5128 for (i
= 0; i
< count
; i
++) {
5129 pipe_resource_reference(&dst
[i
].buffer
.resource
, NULL
);
5131 unaligned
&= ~u_bit_consecutive(start_slot
, count
);
5133 sctx
->vertex_buffers_dirty
= true;
5134 sctx
->vertex_buffer_unaligned
= unaligned
;
5136 /* Check whether alignment may have changed in a way that requires
5137 * shader changes. This check is conservative: a vertex buffer can only
5138 * trigger a shader change if the misalignment amount changes (e.g.
5139 * from byte-aligned to short-aligned), but we only keep track of
5140 * whether buffers are at least dword-aligned, since that should always
5141 * be the case in well-behaved applications anyway.
5143 if (sctx
->vertex_elements
&&
5144 (sctx
->vertex_elements
->vb_alignment_check_mask
&
5145 (unaligned
| orig_unaligned
) & u_bit_consecutive(start_slot
, count
)))
5146 sctx
->do_update_shaders
= true;
5153 static void si_set_tess_state(struct pipe_context
*ctx
,
5154 const float default_outer_level
[4],
5155 const float default_inner_level
[2])
5157 struct si_context
*sctx
= (struct si_context
*)ctx
;
5158 struct pipe_constant_buffer cb
;
5161 memcpy(array
, default_outer_level
, sizeof(float) * 4);
5162 memcpy(array
+4, default_inner_level
, sizeof(float) * 2);
5165 cb
.user_buffer
= NULL
;
5166 cb
.buffer_size
= sizeof(array
);
5168 si_upload_const_buffer(sctx
, (struct si_resource
**)&cb
.buffer
,
5169 (void*)array
, sizeof(array
),
5172 si_set_rw_buffer(sctx
, SI_HS_CONST_DEFAULT_TESS_LEVELS
, &cb
);
5173 pipe_resource_reference(&cb
.buffer
, NULL
);
5176 static void si_texture_barrier(struct pipe_context
*ctx
, unsigned flags
)
5178 struct si_context
*sctx
= (struct si_context
*)ctx
;
5180 si_update_fb_dirtiness_after_rendering(sctx
);
5182 /* Multisample surfaces are flushed in si_decompress_textures. */
5183 if (sctx
->framebuffer
.uncompressed_cb_mask
) {
5184 si_make_CB_shader_coherent(sctx
, sctx
->framebuffer
.nr_samples
,
5185 sctx
->framebuffer
.CB_has_shader_readable_metadata
,
5186 sctx
->framebuffer
.all_DCC_pipe_aligned
);
5190 /* This only ensures coherency for shader image/buffer stores. */
5191 static void si_memory_barrier(struct pipe_context
*ctx
, unsigned flags
)
5193 struct si_context
*sctx
= (struct si_context
*)ctx
;
5195 if (!(flags
& ~PIPE_BARRIER_UPDATE
))
5198 /* Subsequent commands must wait for all shader invocations to
5200 sctx
->flags
|= SI_CONTEXT_PS_PARTIAL_FLUSH
|
5201 SI_CONTEXT_CS_PARTIAL_FLUSH
;
5203 if (flags
& PIPE_BARRIER_CONSTANT_BUFFER
)
5204 sctx
->flags
|= SI_CONTEXT_INV_SCACHE
|
5205 SI_CONTEXT_INV_VCACHE
;
5207 if (flags
& (PIPE_BARRIER_VERTEX_BUFFER
|
5208 PIPE_BARRIER_SHADER_BUFFER
|
5209 PIPE_BARRIER_TEXTURE
|
5210 PIPE_BARRIER_IMAGE
|
5211 PIPE_BARRIER_STREAMOUT_BUFFER
|
5212 PIPE_BARRIER_GLOBAL_BUFFER
)) {
5213 /* As far as I can tell, L1 contents are written back to L2
5214 * automatically at end of shader, but the contents of other
5215 * L1 caches might still be stale. */
5216 sctx
->flags
|= SI_CONTEXT_INV_VCACHE
;
5219 if (flags
& PIPE_BARRIER_INDEX_BUFFER
) {
5220 /* Indices are read through TC L2 since GFX8.
5223 if (sctx
->screen
->info
.chip_class
<= GFX7
)
5224 sctx
->flags
|= SI_CONTEXT_WB_L2
;
5227 /* MSAA color, any depth and any stencil are flushed in
5228 * si_decompress_textures when needed.
5230 if (flags
& PIPE_BARRIER_FRAMEBUFFER
&&
5231 sctx
->framebuffer
.uncompressed_cb_mask
) {
5232 sctx
->flags
|= SI_CONTEXT_FLUSH_AND_INV_CB
;
5234 if (sctx
->chip_class
<= GFX8
)
5235 sctx
->flags
|= SI_CONTEXT_WB_L2
;
5238 /* Indirect buffers use TC L2 on GFX9, but not older hw. */
5239 if (sctx
->screen
->info
.chip_class
<= GFX8
&&
5240 flags
& PIPE_BARRIER_INDIRECT_BUFFER
)
5241 sctx
->flags
|= SI_CONTEXT_WB_L2
;
5244 static void *si_create_blend_custom(struct si_context
*sctx
, unsigned mode
)
5246 struct pipe_blend_state blend
;
5248 memset(&blend
, 0, sizeof(blend
));
5249 blend
.independent_blend_enable
= true;
5250 blend
.rt
[0].colormask
= 0xf;
5251 return si_create_blend_state_mode(&sctx
->b
, &blend
, mode
);
5254 static void si_init_config(struct si_context
*sctx
);
5256 void si_init_state_compute_functions(struct si_context
*sctx
)
5258 sctx
->b
.create_sampler_state
= si_create_sampler_state
;
5259 sctx
->b
.delete_sampler_state
= si_delete_sampler_state
;
5260 sctx
->b
.create_sampler_view
= si_create_sampler_view
;
5261 sctx
->b
.sampler_view_destroy
= si_sampler_view_destroy
;
5262 sctx
->b
.memory_barrier
= si_memory_barrier
;
5265 void si_init_state_functions(struct si_context
*sctx
)
5267 sctx
->atoms
.s
.framebuffer
.emit
= si_emit_framebuffer_state
;
5268 sctx
->atoms
.s
.msaa_sample_locs
.emit
= si_emit_msaa_sample_locs
;
5269 sctx
->atoms
.s
.db_render_state
.emit
= si_emit_db_render_state
;
5270 sctx
->atoms
.s
.dpbb_state
.emit
= si_emit_dpbb_state
;
5271 sctx
->atoms
.s
.msaa_config
.emit
= si_emit_msaa_config
;
5272 sctx
->atoms
.s
.sample_mask
.emit
= si_emit_sample_mask
;
5273 sctx
->atoms
.s
.cb_render_state
.emit
= si_emit_cb_render_state
;
5274 sctx
->atoms
.s
.blend_color
.emit
= si_emit_blend_color
;
5275 sctx
->atoms
.s
.clip_regs
.emit
= si_emit_clip_regs
;
5276 sctx
->atoms
.s
.clip_state
.emit
= si_emit_clip_state
;
5277 sctx
->atoms
.s
.stencil_ref
.emit
= si_emit_stencil_ref
;
5279 sctx
->b
.create_blend_state
= si_create_blend_state
;
5280 sctx
->b
.bind_blend_state
= si_bind_blend_state
;
5281 sctx
->b
.delete_blend_state
= si_delete_blend_state
;
5282 sctx
->b
.set_blend_color
= si_set_blend_color
;
5284 sctx
->b
.create_rasterizer_state
= si_create_rs_state
;
5285 sctx
->b
.bind_rasterizer_state
= si_bind_rs_state
;
5286 sctx
->b
.delete_rasterizer_state
= si_delete_rs_state
;
5288 sctx
->b
.create_depth_stencil_alpha_state
= si_create_dsa_state
;
5289 sctx
->b
.bind_depth_stencil_alpha_state
= si_bind_dsa_state
;
5290 sctx
->b
.delete_depth_stencil_alpha_state
= si_delete_dsa_state
;
5292 sctx
->custom_dsa_flush
= si_create_db_flush_dsa(sctx
);
5293 sctx
->custom_blend_resolve
= si_create_blend_custom(sctx
, V_028808_CB_RESOLVE
);
5294 sctx
->custom_blend_fmask_decompress
= si_create_blend_custom(sctx
, V_028808_CB_FMASK_DECOMPRESS
);
5295 sctx
->custom_blend_eliminate_fastclear
= si_create_blend_custom(sctx
, V_028808_CB_ELIMINATE_FAST_CLEAR
);
5296 sctx
->custom_blend_dcc_decompress
= si_create_blend_custom(sctx
, V_028808_CB_DCC_DECOMPRESS
);
5298 sctx
->b
.set_clip_state
= si_set_clip_state
;
5299 sctx
->b
.set_stencil_ref
= si_set_stencil_ref
;
5301 sctx
->b
.set_framebuffer_state
= si_set_framebuffer_state
;
5303 sctx
->b
.set_sample_mask
= si_set_sample_mask
;
5305 sctx
->b
.create_vertex_elements_state
= si_create_vertex_elements
;
5306 sctx
->b
.bind_vertex_elements_state
= si_bind_vertex_elements
;
5307 sctx
->b
.delete_vertex_elements_state
= si_delete_vertex_element
;
5308 sctx
->b
.set_vertex_buffers
= si_set_vertex_buffers
;
5310 sctx
->b
.texture_barrier
= si_texture_barrier
;
5311 sctx
->b
.set_min_samples
= si_set_min_samples
;
5312 sctx
->b
.set_tess_state
= si_set_tess_state
;
5314 sctx
->b
.set_active_query_state
= si_set_active_query_state
;
5316 si_init_config(sctx
);
5319 void si_init_screen_state_functions(struct si_screen
*sscreen
)
5321 sscreen
->b
.is_format_supported
= si_is_format_supported
;
5323 if (sscreen
->info
.chip_class
>= GFX10
) {
5324 sscreen
->make_texture_descriptor
= gfx10_make_texture_descriptor
;
5326 sscreen
->make_texture_descriptor
= si_make_texture_descriptor
;
5330 static void si_set_grbm_gfx_index(struct si_context
*sctx
,
5331 struct si_pm4_state
*pm4
, unsigned value
)
5333 unsigned reg
= sctx
->chip_class
>= GFX7
? R_030800_GRBM_GFX_INDEX
:
5334 R_00802C_GRBM_GFX_INDEX
;
5335 si_pm4_set_reg(pm4
, reg
, value
);
5338 static void si_set_grbm_gfx_index_se(struct si_context
*sctx
,
5339 struct si_pm4_state
*pm4
, unsigned se
)
5341 assert(se
== ~0 || se
< sctx
->screen
->info
.max_se
);
5342 si_set_grbm_gfx_index(sctx
, pm4
,
5343 (se
== ~0 ? S_030800_SE_BROADCAST_WRITES(1) :
5344 S_030800_SE_INDEX(se
)) |
5345 S_030800_SH_BROADCAST_WRITES(1) |
5346 S_030800_INSTANCE_BROADCAST_WRITES(1));
5350 si_write_harvested_raster_configs(struct si_context
*sctx
,
5351 struct si_pm4_state
*pm4
,
5352 unsigned raster_config
,
5353 unsigned raster_config_1
)
5355 unsigned num_se
= MAX2(sctx
->screen
->info
.max_se
, 1);
5356 unsigned raster_config_se
[4];
5359 ac_get_harvested_configs(&sctx
->screen
->info
,
5364 for (se
= 0; se
< num_se
; se
++) {
5365 si_set_grbm_gfx_index_se(sctx
, pm4
, se
);
5366 si_pm4_set_reg(pm4
, R_028350_PA_SC_RASTER_CONFIG
, raster_config_se
[se
]);
5368 si_set_grbm_gfx_index(sctx
, pm4
, ~0);
5370 if (sctx
->chip_class
>= GFX7
) {
5371 si_pm4_set_reg(pm4
, R_028354_PA_SC_RASTER_CONFIG_1
, raster_config_1
);
5375 static void si_set_raster_config(struct si_context
*sctx
, struct si_pm4_state
*pm4
)
5377 struct si_screen
*sscreen
= sctx
->screen
;
5378 unsigned num_rb
= MIN2(sscreen
->info
.num_render_backends
, 16);
5379 unsigned rb_mask
= sscreen
->info
.enabled_rb_mask
;
5380 unsigned raster_config
= sscreen
->pa_sc_raster_config
;
5381 unsigned raster_config_1
= sscreen
->pa_sc_raster_config_1
;
5383 if (!rb_mask
|| util_bitcount(rb_mask
) >= num_rb
) {
5384 /* Always use the default config when all backends are enabled
5385 * (or when we failed to determine the enabled backends).
5387 si_pm4_set_reg(pm4
, R_028350_PA_SC_RASTER_CONFIG
,
5389 if (sctx
->chip_class
>= GFX7
)
5390 si_pm4_set_reg(pm4
, R_028354_PA_SC_RASTER_CONFIG_1
,
5393 si_write_harvested_raster_configs(sctx
, pm4
, raster_config
, raster_config_1
);
5397 static void si_init_config(struct si_context
*sctx
)
5399 struct si_screen
*sscreen
= sctx
->screen
;
5400 uint64_t border_color_va
= sctx
->border_color_buffer
->gpu_address
;
5401 bool has_clear_state
= sscreen
->has_clear_state
;
5402 struct si_pm4_state
*pm4
= CALLOC_STRUCT(si_pm4_state
);
5407 si_pm4_cmd_begin(pm4
, PKT3_CONTEXT_CONTROL
);
5408 si_pm4_cmd_add(pm4
, CONTEXT_CONTROL_LOAD_ENABLE(1));
5409 si_pm4_cmd_add(pm4
, CONTEXT_CONTROL_SHADOW_ENABLE(1));
5410 si_pm4_cmd_end(pm4
, false);
5412 if (has_clear_state
) {
5413 si_pm4_cmd_begin(pm4
, PKT3_CLEAR_STATE
);
5414 si_pm4_cmd_add(pm4
, 0);
5415 si_pm4_cmd_end(pm4
, false);
5418 if (sctx
->chip_class
<= GFX8
)
5419 si_set_raster_config(sctx
, pm4
);
5421 si_pm4_set_reg(pm4
, R_028A18_VGT_HOS_MAX_TESS_LEVEL
, fui(64));
5422 if (!has_clear_state
)
5423 si_pm4_set_reg(pm4
, R_028A1C_VGT_HOS_MIN_TESS_LEVEL
, fui(0));
5425 /* FIXME calculate these values somehow ??? */
5426 if (sctx
->chip_class
<= GFX8
) {
5427 si_pm4_set_reg(pm4
, R_028A54_VGT_GS_PER_ES
, SI_GS_PER_ES
);
5428 si_pm4_set_reg(pm4
, R_028A58_VGT_ES_PER_GS
, 0x40);
5431 if (!has_clear_state
) {
5432 si_pm4_set_reg(pm4
, R_028A5C_VGT_GS_PER_VS
, 0x2);
5433 si_pm4_set_reg(pm4
, R_028A8C_VGT_PRIMITIVEID_RESET
, 0x0);
5434 si_pm4_set_reg(pm4
, R_028B98_VGT_STRMOUT_BUFFER_CONFIG
, 0x0);
5437 si_pm4_set_reg(pm4
, R_028AA0_VGT_INSTANCE_STEP_RATE_0
, 1);
5438 if (!has_clear_state
)
5439 si_pm4_set_reg(pm4
, R_028AB8_VGT_VTX_CNT_EN
, 0x0);
5440 if (sctx
->chip_class
< GFX7
)
5441 si_pm4_set_reg(pm4
, R_008A14_PA_CL_ENHANCE
, S_008A14_NUM_CLIP_SEQ(3) |
5442 S_008A14_CLIP_VTX_REORDER_ENA(1));
5444 /* CLEAR_STATE doesn't clear these correctly on certain generations.
5445 * I don't know why. Deduced by trial and error.
5447 if (sctx
->chip_class
<= GFX7
) {
5448 si_pm4_set_reg(pm4
, R_028B28_VGT_STRMOUT_DRAW_OPAQUE_OFFSET
, 0);
5449 si_pm4_set_reg(pm4
, R_028204_PA_SC_WINDOW_SCISSOR_TL
, S_028204_WINDOW_OFFSET_DISABLE(1));
5450 si_pm4_set_reg(pm4
, R_028240_PA_SC_GENERIC_SCISSOR_TL
, S_028240_WINDOW_OFFSET_DISABLE(1));
5451 si_pm4_set_reg(pm4
, R_028244_PA_SC_GENERIC_SCISSOR_BR
,
5452 S_028244_BR_X(16384) | S_028244_BR_Y(16384));
5453 si_pm4_set_reg(pm4
, R_028030_PA_SC_SCREEN_SCISSOR_TL
, 0);
5454 si_pm4_set_reg(pm4
, R_028034_PA_SC_SCREEN_SCISSOR_BR
,
5455 S_028034_BR_X(16384) | S_028034_BR_Y(16384));
5458 if (!has_clear_state
) {
5459 si_pm4_set_reg(pm4
, R_028230_PA_SC_EDGERULE
,
5460 S_028230_ER_TRI(0xA) |
5461 S_028230_ER_POINT(0xA) |
5462 S_028230_ER_RECT(0xA) |
5463 /* Required by DX10_DIAMOND_TEST_ENA: */
5464 S_028230_ER_LINE_LR(0x1A) |
5465 S_028230_ER_LINE_RL(0x26) |
5466 S_028230_ER_LINE_TB(0xA) |
5467 S_028230_ER_LINE_BT(0xA));
5468 si_pm4_set_reg(pm4
, R_028820_PA_CL_NANINF_CNTL
, 0);
5469 si_pm4_set_reg(pm4
, R_028AC0_DB_SRESULTS_COMPARE_STATE0
, 0x0);
5470 si_pm4_set_reg(pm4
, R_028AC4_DB_SRESULTS_COMPARE_STATE1
, 0x0);
5471 si_pm4_set_reg(pm4
, R_028AC8_DB_PRELOAD_CONTROL
, 0x0);
5472 si_pm4_set_reg(pm4
, R_02800C_DB_RENDER_OVERRIDE
, 0);
5475 if (sctx
->chip_class
>= GFX10
) {
5476 si_pm4_set_reg(pm4
, R_028A98_VGT_DRAW_PAYLOAD_CNTL
, 0);
5477 si_pm4_set_reg(pm4
, R_030964_GE_MAX_VTX_INDX
, ~0);
5478 si_pm4_set_reg(pm4
, R_030924_GE_MIN_VTX_INDX
, 0);
5479 si_pm4_set_reg(pm4
, R_030928_GE_INDX_OFFSET
, 0);
5480 si_pm4_set_reg(pm4
, R_03097C_GE_STEREO_CNTL
, 0);
5481 si_pm4_set_reg(pm4
, R_030988_GE_USER_VGPR_EN
, 0);
5482 } else if (sctx
->chip_class
== GFX9
) {
5483 si_pm4_set_reg(pm4
, R_030920_VGT_MAX_VTX_INDX
, ~0);
5484 si_pm4_set_reg(pm4
, R_030924_VGT_MIN_VTX_INDX
, 0);
5485 si_pm4_set_reg(pm4
, R_030928_VGT_INDX_OFFSET
, 0);
5487 /* These registers, when written, also overwrite the CLEAR_STATE
5488 * context, so we can't rely on CLEAR_STATE setting them.
5489 * It would be an issue if there was another UMD changing them.
5491 si_pm4_set_reg(pm4
, R_028400_VGT_MAX_VTX_INDX
, ~0);
5492 si_pm4_set_reg(pm4
, R_028404_VGT_MIN_VTX_INDX
, 0);
5493 si_pm4_set_reg(pm4
, R_028408_VGT_INDX_OFFSET
, 0);
5496 if (sctx
->chip_class
>= GFX7
) {
5497 if (sctx
->chip_class
>= GFX10
) {
5498 /* Logical CUs 16 - 31 */
5499 si_pm4_set_reg(pm4
, R_00B404_SPI_SHADER_PGM_RSRC4_HS
,
5500 S_00B404_CU_EN(0xffff));
5501 si_pm4_set_reg(pm4
, R_00B104_SPI_SHADER_PGM_RSRC4_VS
,
5502 S_00B104_CU_EN(0xffff));
5503 si_pm4_set_reg(pm4
, R_00B004_SPI_SHADER_PGM_RSRC4_PS
,
5504 S_00B004_CU_EN(0xffff));
5507 if (sctx
->chip_class
>= GFX9
) {
5508 si_pm4_set_reg(pm4
, R_00B41C_SPI_SHADER_PGM_RSRC3_HS
,
5509 S_00B41C_CU_EN(0xffff) | S_00B41C_WAVE_LIMIT(0x3F));
5511 si_pm4_set_reg(pm4
, R_00B51C_SPI_SHADER_PGM_RSRC3_LS
,
5512 S_00B51C_CU_EN(0xffff) | S_00B51C_WAVE_LIMIT(0x3F));
5513 si_pm4_set_reg(pm4
, R_00B41C_SPI_SHADER_PGM_RSRC3_HS
,
5514 S_00B41C_WAVE_LIMIT(0x3F));
5515 si_pm4_set_reg(pm4
, R_00B31C_SPI_SHADER_PGM_RSRC3_ES
,
5516 S_00B31C_CU_EN(0xffff) | S_00B31C_WAVE_LIMIT(0x3F));
5518 /* If this is 0, Bonaire can hang even if GS isn't being used.
5519 * Other chips are unaffected. These are suboptimal values,
5520 * but we don't use on-chip GS.
5522 si_pm4_set_reg(pm4
, R_028A44_VGT_GS_ONCHIP_CNTL
,
5523 S_028A44_ES_VERTS_PER_SUBGRP(64) |
5524 S_028A44_GS_PRIMS_PER_SUBGRP(4));
5527 /* Compute LATE_ALLOC_VS.LIMIT. */
5528 unsigned num_cu_per_sh
= sscreen
->info
.num_good_cu_per_sh
;
5529 unsigned late_alloc_limit
; /* The limit is per SH. */
5531 if (sctx
->family
== CHIP_KABINI
) {
5532 late_alloc_limit
= 0; /* Potential hang on Kabini. */
5533 } else if (num_cu_per_sh
<= 4) {
5534 /* Too few available compute units per SH. Disallowing
5535 * VS to run on one CU could hurt us more than late VS
5536 * allocation would help.
5538 * 2 is the highest safe number that allows us to keep
5541 late_alloc_limit
= 2;
5543 /* This is a good initial value, allowing 1 late_alloc
5544 * wave per SIMD on num_cu - 2.
5546 late_alloc_limit
= (num_cu_per_sh
- 2) * 4;
5549 unsigned cu_mask_vs
= 0xffff;
5550 unsigned cu_mask_gs
= 0xffff;
5552 if (late_alloc_limit
> 2) {
5553 if (sctx
->chip_class
>= GFX10
) {
5554 /* CU2 & CU3 disabled because of the dual CU design */
5555 cu_mask_vs
= 0xfff3;
5556 cu_mask_gs
= 0xfff3; /* NGG only */
5558 cu_mask_vs
= 0xfffe; /* 1 CU disabled */
5562 /* VS can't execute on one CU if the limit is > 2. */
5563 si_pm4_set_reg(pm4
, R_00B118_SPI_SHADER_PGM_RSRC3_VS
,
5564 S_00B118_CU_EN(cu_mask_vs
) |
5565 S_00B118_WAVE_LIMIT(0x3F));
5566 si_pm4_set_reg(pm4
, R_00B11C_SPI_SHADER_LATE_ALLOC_VS
,
5567 S_00B11C_LIMIT(late_alloc_limit
));
5569 si_pm4_set_reg(pm4
, R_00B21C_SPI_SHADER_PGM_RSRC3_GS
,
5570 S_00B21C_CU_EN(cu_mask_gs
) | S_00B21C_WAVE_LIMIT(0x3F));
5572 if (sctx
->chip_class
>= GFX10
) {
5573 si_pm4_set_reg(pm4
, R_00B204_SPI_SHADER_PGM_RSRC4_GS
,
5574 S_00B204_CU_EN(0xffff) |
5575 S_00B204_SPI_SHADER_LATE_ALLOC_GS_GFX10(late_alloc_limit
));
5578 si_pm4_set_reg(pm4
, R_00B01C_SPI_SHADER_PGM_RSRC3_PS
,
5579 S_00B01C_CU_EN(0xffff) | S_00B01C_WAVE_LIMIT(0x3F));
5582 if (sctx
->chip_class
>= GFX10
) {
5583 /* Break up a pixel wave if it contains deallocs for more than
5584 * half the parameter cache.
5586 * To avoid a deadlock where pixel waves aren't launched
5587 * because they're waiting for more pixels while the frontend
5588 * is stuck waiting for PC space, the maximum allowed value is
5589 * the size of the PC minus the largest possible allocation for
5590 * a single primitive shader subgroup.
5592 si_pm4_set_reg(pm4
, R_028C50_PA_SC_NGG_MODE_CNTL
,
5593 S_028C50_MAX_DEALLOCS_IN_WAVE(512));
5594 si_pm4_set_reg(pm4
, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL
, 14);
5595 si_pm4_set_reg(pm4
, R_02835C_PA_SC_TILE_STEERING_OVERRIDE
,
5596 sscreen
->info
.pa_sc_tile_steering_override
);
5598 si_pm4_set_reg(pm4
, R_02807C_DB_RMI_L2_CACHE_CONTROL
,
5599 S_02807C_Z_WR_POLICY(V_02807C_CACHE_STREAM_WR
) |
5600 S_02807C_S_WR_POLICY(V_02807C_CACHE_STREAM_WR
) |
5601 S_02807C_HTILE_WR_POLICY(V_02807C_CACHE_STREAM_WR
) |
5602 S_02807C_ZPCPSD_WR_POLICY(V_02807C_CACHE_STREAM_WR
) |
5603 S_02807C_Z_RD_POLICY(V_02807C_CACHE_NOA_RD
) |
5604 S_02807C_S_RD_POLICY(V_02807C_CACHE_NOA_RD
) |
5605 S_02807C_HTILE_RD_POLICY(V_02807C_CACHE_NOA_RD
));
5607 si_pm4_set_reg(pm4
, R_028410_CB_RMI_GL2_CACHE_CONTROL
,
5608 S_028410_CMASK_WR_POLICY(V_028410_CACHE_STREAM_WR
) |
5609 S_028410_FMASK_WR_POLICY(V_028410_CACHE_STREAM_WR
) |
5610 S_028410_DCC_WR_POLICY(V_028410_CACHE_STREAM_WR
) |
5611 S_028410_COLOR_WR_POLICY(V_028410_CACHE_STREAM_WR
) |
5612 S_028410_CMASK_RD_POLICY(V_028410_CACHE_NOA_RD
) |
5613 S_028410_FMASK_RD_POLICY(V_028410_CACHE_NOA_RD
) |
5614 S_028410_DCC_RD_POLICY(V_028410_CACHE_NOA_RD
) |
5615 S_028410_COLOR_RD_POLICY(V_028410_CACHE_NOA_RD
));
5616 si_pm4_set_reg(pm4
, R_028428_CB_COVERAGE_OUT_CONTROL
, 0);
5618 si_pm4_set_reg(pm4
, R_00B0C0_SPI_SHADER_REQ_CTRL_PS
,
5619 S_00B0C0_SOFT_GROUPING_EN(1) |
5620 S_00B0C0_NUMBER_OF_REQUESTS_PER_CU(4 - 1));
5621 si_pm4_set_reg(pm4
, R_00B1C0_SPI_SHADER_REQ_CTRL_VS
, 0);
5625 if (sctx
->chip_class
>= GFX8
) {
5626 unsigned vgt_tess_distribution
;
5628 vgt_tess_distribution
=
5629 S_028B50_ACCUM_ISOLINE(32) |
5630 S_028B50_ACCUM_TRI(11) |
5631 S_028B50_ACCUM_QUAD(11) |
5632 S_028B50_DONUT_SPLIT(16);
5634 /* Testing with Unigine Heaven extreme tesselation yielded best results
5635 * with TRAP_SPLIT = 3.
5637 if (sctx
->family
== CHIP_FIJI
||
5638 sctx
->family
>= CHIP_POLARIS10
)
5639 vgt_tess_distribution
|= S_028B50_TRAP_SPLIT(3);
5641 si_pm4_set_reg(pm4
, R_028B50_VGT_TESS_DISTRIBUTION
, vgt_tess_distribution
);
5642 } else if (!has_clear_state
) {
5643 si_pm4_set_reg(pm4
, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL
, 14);
5644 si_pm4_set_reg(pm4
, R_028C5C_VGT_OUT_DEALLOC_CNTL
, 16);
5647 si_pm4_set_reg(pm4
, R_028080_TA_BC_BASE_ADDR
, border_color_va
>> 8);
5648 if (sctx
->chip_class
>= GFX7
) {
5649 si_pm4_set_reg(pm4
, R_028084_TA_BC_BASE_ADDR_HI
,
5650 S_028084_ADDRESS(border_color_va
>> 40));
5652 si_pm4_add_bo(pm4
, sctx
->border_color_buffer
, RADEON_USAGE_READ
,
5653 RADEON_PRIO_BORDER_COLORS
);
5655 if (sctx
->chip_class
>= GFX9
) {
5656 unsigned num_se
= sscreen
->info
.max_se
;
5657 unsigned pc_lines
= 0;
5658 unsigned max_alloc_count
= 0;
5660 switch (sctx
->family
) {
5679 if (sctx
->chip_class
>= GFX10
) {
5680 max_alloc_count
= pc_lines
/ 3;
5682 max_alloc_count
= MIN2(128, pc_lines
/ (4 * num_se
));
5685 si_pm4_set_reg(pm4
, R_028C48_PA_SC_BINNER_CNTL_1
,
5686 S_028C48_MAX_ALLOC_COUNT(max_alloc_count
) |
5687 S_028C48_MAX_PRIM_PER_BATCH(1023));
5688 si_pm4_set_reg(pm4
, R_028C4C_PA_SC_CONSERVATIVE_RASTERIZATION_CNTL
,
5689 S_028C4C_NULL_SQUAD_AA_MASK_ENABLE(1));
5690 si_pm4_set_reg(pm4
, R_030968_VGT_INSTANCE_BASE_ID
, 0);
5693 si_pm4_upload_indirect_buffer(sctx
, pm4
);
5694 sctx
->init_config
= pm4
;