2 * Copyright © 2016 Red Hat.
3 * Copyright © 2016 Bas Nieuwenhuizen
6 * Copyright © 2015 Advanced Micro Devices, Inc.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice (including the next
16 * paragraph) shall be included in all copies or substantial portions of the
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
28 /* command buffer handling for SI */
30 #include "radv_private.h"
31 #include "radv_shader.h"
35 #include "radv_util.h"
36 #include "main/macros.h"
39 si_write_harvested_raster_configs(struct radv_physical_device
*physical_device
,
40 struct radeon_cmdbuf
*cs
,
41 unsigned raster_config
,
42 unsigned raster_config_1
)
44 unsigned num_se
= MAX2(physical_device
->rad_info
.max_se
, 1);
45 unsigned raster_config_se
[4];
48 ac_get_harvested_configs(&physical_device
->rad_info
,
53 for (se
= 0; se
< num_se
; se
++) {
54 /* GRBM_GFX_INDEX has a different offset on SI and CI+ */
55 if (physical_device
->rad_info
.chip_class
< CIK
)
56 radeon_set_config_reg(cs
, R_00802C_GRBM_GFX_INDEX
,
57 S_00802C_SE_INDEX(se
) |
58 S_00802C_SH_BROADCAST_WRITES(1) |
59 S_00802C_INSTANCE_BROADCAST_WRITES(1));
61 radeon_set_uconfig_reg(cs
, R_030800_GRBM_GFX_INDEX
,
62 S_030800_SE_INDEX(se
) | S_030800_SH_BROADCAST_WRITES(1) |
63 S_030800_INSTANCE_BROADCAST_WRITES(1));
64 radeon_set_context_reg(cs
, R_028350_PA_SC_RASTER_CONFIG
, raster_config_se
[se
]);
67 /* GRBM_GFX_INDEX has a different offset on SI and CI+ */
68 if (physical_device
->rad_info
.chip_class
< CIK
)
69 radeon_set_config_reg(cs
, R_00802C_GRBM_GFX_INDEX
,
70 S_00802C_SE_BROADCAST_WRITES(1) |
71 S_00802C_SH_BROADCAST_WRITES(1) |
72 S_00802C_INSTANCE_BROADCAST_WRITES(1));
74 radeon_set_uconfig_reg(cs
, R_030800_GRBM_GFX_INDEX
,
75 S_030800_SE_BROADCAST_WRITES(1) | S_030800_SH_BROADCAST_WRITES(1) |
76 S_030800_INSTANCE_BROADCAST_WRITES(1));
78 if (physical_device
->rad_info
.chip_class
>= CIK
)
79 radeon_set_context_reg(cs
, R_028354_PA_SC_RASTER_CONFIG_1
, raster_config_1
);
83 si_emit_compute(struct radv_physical_device
*physical_device
,
84 struct radeon_cmdbuf
*cs
)
86 radeon_set_sh_reg_seq(cs
, R_00B810_COMPUTE_START_X
, 3);
91 radeon_set_sh_reg_seq(cs
, R_00B858_COMPUTE_STATIC_THREAD_MGMT_SE0
, 2);
92 /* R_00B858_COMPUTE_STATIC_THREAD_MGMT_SE0 / SE1 */
93 radeon_emit(cs
, S_00B858_SH0_CU_EN(0xffff) | S_00B858_SH1_CU_EN(0xffff));
94 radeon_emit(cs
, S_00B85C_SH0_CU_EN(0xffff) | S_00B85C_SH1_CU_EN(0xffff));
96 if (physical_device
->rad_info
.chip_class
>= CIK
) {
97 /* Also set R_00B858_COMPUTE_STATIC_THREAD_MGMT_SE2 / SE3 */
98 radeon_set_sh_reg_seq(cs
,
99 R_00B864_COMPUTE_STATIC_THREAD_MGMT_SE2
, 2);
100 radeon_emit(cs
, S_00B864_SH0_CU_EN(0xffff) |
101 S_00B864_SH1_CU_EN(0xffff));
102 radeon_emit(cs
, S_00B868_SH0_CU_EN(0xffff) |
103 S_00B868_SH1_CU_EN(0xffff));
106 /* This register has been moved to R_00CD20_COMPUTE_MAX_WAVE_ID
107 * and is now per pipe, so it should be handled in the
108 * kernel if we want to use something other than the default value,
109 * which is now 0x22f.
111 if (physical_device
->rad_info
.chip_class
<= SI
) {
112 /* XXX: This should be:
113 * (number of compute units) * 4 * (waves per simd) - 1 */
115 radeon_set_sh_reg(cs
, R_00B82C_COMPUTE_MAX_WAVE_ID
,
116 0x190 /* Default value */);
121 si_init_compute(struct radv_cmd_buffer
*cmd_buffer
)
123 struct radv_physical_device
*physical_device
= cmd_buffer
->device
->physical_device
;
124 si_emit_compute(physical_device
, cmd_buffer
->cs
);
127 /* 12.4 fixed-point */
128 static unsigned radv_pack_float_12p4(float x
)
131 x
>= 4096 ? 0xffff : x
* 16;
135 si_set_raster_config(struct radv_physical_device
*physical_device
,
136 struct radeon_cmdbuf
*cs
)
138 unsigned num_rb
= MIN2(physical_device
->rad_info
.num_render_backends
, 16);
139 unsigned rb_mask
= physical_device
->rad_info
.enabled_rb_mask
;
140 unsigned raster_config
, raster_config_1
;
142 ac_get_raster_config(&physical_device
->rad_info
,
146 /* Always use the default config when all backends are enabled
147 * (or when we failed to determine the enabled backends).
149 if (!rb_mask
|| util_bitcount(rb_mask
) >= num_rb
) {
150 radeon_set_context_reg(cs
, R_028350_PA_SC_RASTER_CONFIG
,
152 if (physical_device
->rad_info
.chip_class
>= CIK
)
153 radeon_set_context_reg(cs
, R_028354_PA_SC_RASTER_CONFIG_1
,
156 si_write_harvested_raster_configs(physical_device
, cs
,
163 si_emit_config(struct radv_physical_device
*physical_device
,
164 struct radeon_cmdbuf
*cs
)
168 /* Only SI can disable CLEAR_STATE for now. */
169 assert(physical_device
->has_clear_state
||
170 physical_device
->rad_info
.chip_class
== SI
);
172 radeon_emit(cs
, PKT3(PKT3_CONTEXT_CONTROL
, 1, 0));
173 radeon_emit(cs
, CONTEXT_CONTROL_LOAD_ENABLE(1));
174 radeon_emit(cs
, CONTEXT_CONTROL_SHADOW_ENABLE(1));
176 if (physical_device
->has_clear_state
) {
177 radeon_emit(cs
, PKT3(PKT3_CLEAR_STATE
, 0, 0));
181 if (physical_device
->rad_info
.chip_class
<= VI
)
182 si_set_raster_config(physical_device
, cs
);
184 radeon_set_context_reg(cs
, R_028A18_VGT_HOS_MAX_TESS_LEVEL
, fui(64));
185 if (!physical_device
->has_clear_state
)
186 radeon_set_context_reg(cs
, R_028A1C_VGT_HOS_MIN_TESS_LEVEL
, fui(0));
188 /* FIXME calculate these values somehow ??? */
189 if (physical_device
->rad_info
.chip_class
<= VI
) {
190 radeon_set_context_reg(cs
, R_028A54_VGT_GS_PER_ES
, SI_GS_PER_ES
);
191 radeon_set_context_reg(cs
, R_028A58_VGT_ES_PER_GS
, 0x40);
194 if (!physical_device
->has_clear_state
) {
195 radeon_set_context_reg(cs
, R_028A5C_VGT_GS_PER_VS
, 0x2);
196 radeon_set_context_reg(cs
, R_028A8C_VGT_PRIMITIVEID_RESET
, 0x0);
197 radeon_set_context_reg(cs
, R_028B98_VGT_STRMOUT_BUFFER_CONFIG
, 0x0);
200 radeon_set_context_reg(cs
, R_028AA0_VGT_INSTANCE_STEP_RATE_0
, 1);
201 if (!physical_device
->has_clear_state
)
202 radeon_set_context_reg(cs
, R_028AB8_VGT_VTX_CNT_EN
, 0x0);
203 if (physical_device
->rad_info
.chip_class
< CIK
)
204 radeon_set_config_reg(cs
, R_008A14_PA_CL_ENHANCE
, S_008A14_NUM_CLIP_SEQ(3) |
205 S_008A14_CLIP_VTX_REORDER_ENA(1));
207 radeon_set_context_reg(cs
, R_028BD4_PA_SC_CENTROID_PRIORITY_0
, 0x76543210);
208 radeon_set_context_reg(cs
, R_028BD8_PA_SC_CENTROID_PRIORITY_1
, 0xfedcba98);
210 if (!physical_device
->has_clear_state
)
211 radeon_set_context_reg(cs
, R_02882C_PA_SU_PRIM_FILTER_CNTL
, 0);
213 /* CLEAR_STATE doesn't clear these correctly on certain generations.
214 * I don't know why. Deduced by trial and error.
216 if (physical_device
->rad_info
.chip_class
<= CIK
) {
217 radeon_set_context_reg(cs
, R_028B28_VGT_STRMOUT_DRAW_OPAQUE_OFFSET
, 0);
218 radeon_set_context_reg(cs
, R_028204_PA_SC_WINDOW_SCISSOR_TL
,
219 S_028204_WINDOW_OFFSET_DISABLE(1));
220 radeon_set_context_reg(cs
, R_028240_PA_SC_GENERIC_SCISSOR_TL
,
221 S_028240_WINDOW_OFFSET_DISABLE(1));
222 radeon_set_context_reg(cs
, R_028244_PA_SC_GENERIC_SCISSOR_BR
,
223 S_028244_BR_X(16384) | S_028244_BR_Y(16384));
224 radeon_set_context_reg(cs
, R_028030_PA_SC_SCREEN_SCISSOR_TL
, 0);
225 radeon_set_context_reg(cs
, R_028034_PA_SC_SCREEN_SCISSOR_BR
,
226 S_028034_BR_X(16384) | S_028034_BR_Y(16384));
229 if (!physical_device
->has_clear_state
) {
230 for (i
= 0; i
< 16; i
++) {
231 radeon_set_context_reg(cs
, R_0282D0_PA_SC_VPORT_ZMIN_0
+ i
*8, 0);
232 radeon_set_context_reg(cs
, R_0282D4_PA_SC_VPORT_ZMAX_0
+ i
*8, fui(1.0));
236 if (!physical_device
->has_clear_state
) {
237 radeon_set_context_reg(cs
, R_02820C_PA_SC_CLIPRECT_RULE
, 0xFFFF);
238 radeon_set_context_reg(cs
, R_028230_PA_SC_EDGERULE
, 0xAAAAAAAA);
239 /* PA_SU_HARDWARE_SCREEN_OFFSET must be 0 due to hw bug on SI */
240 radeon_set_context_reg(cs
, R_028234_PA_SU_HARDWARE_SCREEN_OFFSET
, 0);
241 radeon_set_context_reg(cs
, R_028820_PA_CL_NANINF_CNTL
, 0);
242 radeon_set_context_reg(cs
, R_028AC0_DB_SRESULTS_COMPARE_STATE0
, 0x0);
243 radeon_set_context_reg(cs
, R_028AC4_DB_SRESULTS_COMPARE_STATE1
, 0x0);
244 radeon_set_context_reg(cs
, R_028AC8_DB_PRELOAD_CONTROL
, 0x0);
247 radeon_set_context_reg(cs
, R_02800C_DB_RENDER_OVERRIDE
,
248 S_02800C_FORCE_HIS_ENABLE0(V_02800C_FORCE_DISABLE
) |
249 S_02800C_FORCE_HIS_ENABLE1(V_02800C_FORCE_DISABLE
));
251 if (physical_device
->rad_info
.chip_class
>= GFX9
) {
252 radeon_set_uconfig_reg(cs
, R_030920_VGT_MAX_VTX_INDX
, ~0);
253 radeon_set_uconfig_reg(cs
, R_030924_VGT_MIN_VTX_INDX
, 0);
254 radeon_set_uconfig_reg(cs
, R_030928_VGT_INDX_OFFSET
, 0);
256 /* These registers, when written, also overwrite the
257 * CLEAR_STATE context, so we can't rely on CLEAR_STATE setting
258 * them. It would be an issue if there was another UMD
261 radeon_set_context_reg(cs
, R_028400_VGT_MAX_VTX_INDX
, ~0);
262 radeon_set_context_reg(cs
, R_028404_VGT_MIN_VTX_INDX
, 0);
263 radeon_set_context_reg(cs
, R_028408_VGT_INDX_OFFSET
, 0);
266 if (physical_device
->rad_info
.chip_class
>= CIK
) {
267 if (physical_device
->rad_info
.chip_class
>= GFX9
) {
268 radeon_set_sh_reg(cs
, R_00B41C_SPI_SHADER_PGM_RSRC3_HS
,
269 S_00B41C_CU_EN(0xffff) | S_00B41C_WAVE_LIMIT(0x3F));
271 radeon_set_sh_reg(cs
, R_00B51C_SPI_SHADER_PGM_RSRC3_LS
,
272 S_00B51C_CU_EN(0xffff) | S_00B51C_WAVE_LIMIT(0x3F));
273 radeon_set_sh_reg(cs
, R_00B41C_SPI_SHADER_PGM_RSRC3_HS
,
274 S_00B41C_WAVE_LIMIT(0x3F));
275 radeon_set_sh_reg(cs
, R_00B31C_SPI_SHADER_PGM_RSRC3_ES
,
276 S_00B31C_CU_EN(0xffff) | S_00B31C_WAVE_LIMIT(0x3F));
277 /* If this is 0, Bonaire can hang even if GS isn't being used.
278 * Other chips are unaffected. These are suboptimal values,
279 * but we don't use on-chip GS.
281 radeon_set_context_reg(cs
, R_028A44_VGT_GS_ONCHIP_CNTL
,
282 S_028A44_ES_VERTS_PER_SUBGRP(64) |
283 S_028A44_GS_PRIMS_PER_SUBGRP(4));
285 radeon_set_sh_reg(cs
, R_00B21C_SPI_SHADER_PGM_RSRC3_GS
,
286 S_00B21C_CU_EN(0xffff) | S_00B21C_WAVE_LIMIT(0x3F));
288 if (physical_device
->rad_info
.num_good_compute_units
/
289 (physical_device
->rad_info
.max_se
* physical_device
->rad_info
.max_sh_per_se
) <= 4) {
290 /* Too few available compute units per SH. Disallowing
291 * VS to run on CU0 could hurt us more than late VS
292 * allocation would help.
294 * LATE_ALLOC_VS = 2 is the highest safe number.
296 radeon_set_sh_reg(cs
, R_00B118_SPI_SHADER_PGM_RSRC3_VS
,
297 S_00B118_CU_EN(0xffff) | S_00B118_WAVE_LIMIT(0x3F) );
298 radeon_set_sh_reg(cs
, R_00B11C_SPI_SHADER_LATE_ALLOC_VS
, S_00B11C_LIMIT(2));
300 /* Set LATE_ALLOC_VS == 31. It should be less than
301 * the number of scratch waves. Limitations:
302 * - VS can't execute on CU0.
303 * - If HS writes outputs to LDS, LS can't execute on CU0.
305 radeon_set_sh_reg(cs
, R_00B118_SPI_SHADER_PGM_RSRC3_VS
,
306 S_00B118_CU_EN(0xfffe) | S_00B118_WAVE_LIMIT(0x3F));
307 radeon_set_sh_reg(cs
, R_00B11C_SPI_SHADER_LATE_ALLOC_VS
, S_00B11C_LIMIT(31));
310 radeon_set_sh_reg(cs
, R_00B01C_SPI_SHADER_PGM_RSRC3_PS
,
311 S_00B01C_CU_EN(0xffff) | S_00B01C_WAVE_LIMIT(0x3F));
314 if (physical_device
->rad_info
.chip_class
>= VI
) {
315 uint32_t vgt_tess_distribution
;
316 radeon_set_context_reg(cs
, R_028424_CB_DCC_CONTROL
,
317 S_028424_OVERWRITE_COMBINER_MRT_SHARING_DISABLE(1) |
318 S_028424_OVERWRITE_COMBINER_WATERMARK(4));
320 vgt_tess_distribution
= S_028B50_ACCUM_ISOLINE(32) |
321 S_028B50_ACCUM_TRI(11) |
322 S_028B50_ACCUM_QUAD(11) |
323 S_028B50_DONUT_SPLIT(16);
325 if (physical_device
->rad_info
.family
== CHIP_FIJI
||
326 physical_device
->rad_info
.family
>= CHIP_POLARIS10
)
327 vgt_tess_distribution
|= S_028B50_TRAP_SPLIT(3);
329 radeon_set_context_reg(cs
, R_028B50_VGT_TESS_DISTRIBUTION
,
330 vgt_tess_distribution
);
331 } else if (!physical_device
->has_clear_state
) {
332 radeon_set_context_reg(cs
, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL
, 14);
333 radeon_set_context_reg(cs
, R_028C5C_VGT_OUT_DEALLOC_CNTL
, 16);
336 if (physical_device
->rad_info
.chip_class
>= GFX9
) {
337 unsigned num_se
= physical_device
->rad_info
.max_se
;
338 unsigned pc_lines
= 0;
340 switch (physical_device
->rad_info
.family
) {
353 radeon_set_context_reg(cs
, R_028C48_PA_SC_BINNER_CNTL_1
,
354 S_028C48_MAX_ALLOC_COUNT(MIN2(128, pc_lines
/ (4 * num_se
))) |
355 S_028C48_MAX_PRIM_PER_BATCH(1023));
356 radeon_set_context_reg(cs
, R_028C4C_PA_SC_CONSERVATIVE_RASTERIZATION_CNTL
,
357 S_028C4C_NULL_SQUAD_AA_MASK_ENABLE(1));
358 radeon_set_uconfig_reg(cs
, R_030968_VGT_INSTANCE_BASE_ID
, 0);
361 unsigned tmp
= (unsigned)(1.0 * 8.0);
362 radeon_set_context_reg_seq(cs
, R_028A00_PA_SU_POINT_SIZE
, 1);
363 radeon_emit(cs
, S_028A00_HEIGHT(tmp
) | S_028A00_WIDTH(tmp
));
364 radeon_set_context_reg_seq(cs
, R_028A04_PA_SU_POINT_MINMAX
, 1);
365 radeon_emit(cs
, S_028A04_MIN_SIZE(radv_pack_float_12p4(0)) |
366 S_028A04_MAX_SIZE(radv_pack_float_12p4(8192/2)));
368 if (!physical_device
->has_clear_state
) {
369 radeon_set_context_reg(cs
, R_028004_DB_COUNT_CONTROL
,
370 S_028004_ZPASS_INCREMENT_DISABLE(1));
373 /* Enable the Polaris small primitive filter control.
374 * XXX: There is possibly an issue when MSAA is off (see RadeonSI
375 * has_msaa_sample_loc_bug). But this doesn't seem to regress anything,
376 * and AMDVLK doesn't have a workaround as well.
378 if (physical_device
->rad_info
.family
>= CHIP_POLARIS10
) {
379 unsigned small_prim_filter_cntl
=
380 S_028830_SMALL_PRIM_FILTER_ENABLE(1) |
381 /* Workaround for a hw line bug. */
382 S_028830_LINE_FILTER_DISABLE(physical_device
->rad_info
.family
<= CHIP_POLARIS12
);
384 radeon_set_context_reg(cs
, R_028830_PA_SU_SMALL_PRIM_FILTER_CNTL
,
385 small_prim_filter_cntl
);
388 si_emit_compute(physical_device
, cs
);
391 void si_init_config(struct radv_cmd_buffer
*cmd_buffer
)
393 struct radv_physical_device
*physical_device
= cmd_buffer
->device
->physical_device
;
395 si_emit_config(physical_device
, cmd_buffer
->cs
);
399 cik_create_gfx_config(struct radv_device
*device
)
401 struct radeon_cmdbuf
*cs
= device
->ws
->cs_create(device
->ws
, RING_GFX
);
405 si_emit_config(device
->physical_device
, cs
);
407 while (cs
->cdw
& 7) {
408 if (device
->physical_device
->rad_info
.gfx_ib_pad_with_type2
)
409 radeon_emit(cs
, 0x80000000);
411 radeon_emit(cs
, 0xffff1000);
414 device
->gfx_init
= device
->ws
->buffer_create(device
->ws
,
417 RADEON_FLAG_CPU_ACCESS
|
418 RADEON_FLAG_NO_INTERPROCESS_SHARING
|
419 RADEON_FLAG_READ_ONLY
);
420 if (!device
->gfx_init
)
423 void *map
= device
->ws
->buffer_map(device
->gfx_init
);
425 device
->ws
->buffer_destroy(device
->gfx_init
);
426 device
->gfx_init
= NULL
;
429 memcpy(map
, cs
->buf
, cs
->cdw
* 4);
431 device
->ws
->buffer_unmap(device
->gfx_init
);
432 device
->gfx_init_size_dw
= cs
->cdw
;
434 device
->ws
->cs_destroy(cs
);
438 get_viewport_xform(const VkViewport
*viewport
,
439 float scale
[3], float translate
[3])
441 float x
= viewport
->x
;
442 float y
= viewport
->y
;
443 float half_width
= 0.5f
* viewport
->width
;
444 float half_height
= 0.5f
* viewport
->height
;
445 double n
= viewport
->minDepth
;
446 double f
= viewport
->maxDepth
;
448 scale
[0] = half_width
;
449 translate
[0] = half_width
+ x
;
450 scale
[1] = half_height
;
451 translate
[1] = half_height
+ y
;
458 si_write_viewport(struct radeon_cmdbuf
*cs
, int first_vp
,
459 int count
, const VkViewport
*viewports
)
464 radeon_set_context_reg_seq(cs
, R_02843C_PA_CL_VPORT_XSCALE
+
465 first_vp
* 4 * 6, count
* 6);
467 for (i
= 0; i
< count
; i
++) {
468 float scale
[3], translate
[3];
471 get_viewport_xform(&viewports
[i
], scale
, translate
);
472 radeon_emit(cs
, fui(scale
[0]));
473 radeon_emit(cs
, fui(translate
[0]));
474 radeon_emit(cs
, fui(scale
[1]));
475 radeon_emit(cs
, fui(translate
[1]));
476 radeon_emit(cs
, fui(scale
[2]));
477 radeon_emit(cs
, fui(translate
[2]));
480 radeon_set_context_reg_seq(cs
, R_0282D0_PA_SC_VPORT_ZMIN_0
+
481 first_vp
* 4 * 2, count
* 2);
482 for (i
= 0; i
< count
; i
++) {
483 float zmin
= MIN2(viewports
[i
].minDepth
, viewports
[i
].maxDepth
);
484 float zmax
= MAX2(viewports
[i
].minDepth
, viewports
[i
].maxDepth
);
485 radeon_emit(cs
, fui(zmin
));
486 radeon_emit(cs
, fui(zmax
));
490 static VkRect2D
si_scissor_from_viewport(const VkViewport
*viewport
)
492 float scale
[3], translate
[3];
495 get_viewport_xform(viewport
, scale
, translate
);
497 rect
.offset
.x
= translate
[0] - fabs(scale
[0]);
498 rect
.offset
.y
= translate
[1] - fabs(scale
[1]);
499 rect
.extent
.width
= ceilf(translate
[0] + fabs(scale
[0])) - rect
.offset
.x
;
500 rect
.extent
.height
= ceilf(translate
[1] + fabs(scale
[1])) - rect
.offset
.y
;
505 static VkRect2D
si_intersect_scissor(const VkRect2D
*a
, const VkRect2D
*b
) {
507 ret
.offset
.x
= MAX2(a
->offset
.x
, b
->offset
.x
);
508 ret
.offset
.y
= MAX2(a
->offset
.y
, b
->offset
.y
);
509 ret
.extent
.width
= MIN2(a
->offset
.x
+ a
->extent
.width
,
510 b
->offset
.x
+ b
->extent
.width
) - ret
.offset
.x
;
511 ret
.extent
.height
= MIN2(a
->offset
.y
+ a
->extent
.height
,
512 b
->offset
.y
+ b
->extent
.height
) - ret
.offset
.y
;
517 si_write_scissors(struct radeon_cmdbuf
*cs
, int first
,
518 int count
, const VkRect2D
*scissors
,
519 const VkViewport
*viewports
, bool can_use_guardband
)
522 float scale
[3], translate
[3], guardband_x
= INFINITY
, guardband_y
= INFINITY
;
523 const float max_range
= 32767.0f
;
527 radeon_set_context_reg_seq(cs
, R_028250_PA_SC_VPORT_SCISSOR_0_TL
+ first
* 4 * 2, count
* 2);
528 for (i
= 0; i
< count
; i
++) {
529 VkRect2D viewport_scissor
= si_scissor_from_viewport(viewports
+ i
);
530 VkRect2D scissor
= si_intersect_scissor(&scissors
[i
], &viewport_scissor
);
532 get_viewport_xform(viewports
+ i
, scale
, translate
);
533 scale
[0] = abs(scale
[0]);
534 scale
[1] = abs(scale
[1]);
541 guardband_x
= MIN2(guardband_x
, (max_range
- abs(translate
[0])) / scale
[0]);
542 guardband_y
= MIN2(guardband_y
, (max_range
- abs(translate
[1])) / scale
[1]);
544 radeon_emit(cs
, S_028250_TL_X(scissor
.offset
.x
) |
545 S_028250_TL_Y(scissor
.offset
.y
) |
546 S_028250_WINDOW_OFFSET_DISABLE(1));
547 radeon_emit(cs
, S_028254_BR_X(scissor
.offset
.x
+ scissor
.extent
.width
) |
548 S_028254_BR_Y(scissor
.offset
.y
+ scissor
.extent
.height
));
550 if (!can_use_guardband
) {
555 radeon_set_context_reg_seq(cs
, R_028BE8_PA_CL_GB_VERT_CLIP_ADJ
, 4);
556 radeon_emit(cs
, fui(guardband_y
));
557 radeon_emit(cs
, fui(1.0));
558 radeon_emit(cs
, fui(guardband_x
));
559 radeon_emit(cs
, fui(1.0));
562 static inline unsigned
563 radv_prims_for_vertices(struct radv_prim_vertex_count
*info
, unsigned num
)
574 return 1 + ((num
- info
->min
) / info
->incr
);
578 si_get_ia_multi_vgt_param(struct radv_cmd_buffer
*cmd_buffer
,
579 bool instanced_draw
, bool indirect_draw
,
580 uint32_t draw_vertex_count
)
582 enum chip_class chip_class
= cmd_buffer
->device
->physical_device
->rad_info
.chip_class
;
583 enum radeon_family family
= cmd_buffer
->device
->physical_device
->rad_info
.family
;
584 struct radeon_info
*info
= &cmd_buffer
->device
->physical_device
->rad_info
;
585 const unsigned max_primgroup_in_wave
= 2;
586 /* SWITCH_ON_EOP(0) is always preferable. */
587 bool wd_switch_on_eop
= false;
588 bool ia_switch_on_eop
= false;
589 bool ia_switch_on_eoi
= false;
590 bool partial_vs_wave
= false;
591 bool partial_es_wave
= cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.partial_es_wave
;
592 bool multi_instances_smaller_than_primgroup
;
594 multi_instances_smaller_than_primgroup
= indirect_draw
;
595 if (!multi_instances_smaller_than_primgroup
&& instanced_draw
) {
596 uint32_t num_prims
= radv_prims_for_vertices(&cmd_buffer
->state
.pipeline
->graphics
.prim_vertex_count
, draw_vertex_count
);
597 if (num_prims
< cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.primgroup_size
)
598 multi_instances_smaller_than_primgroup
= true;
601 ia_switch_on_eoi
= cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.ia_switch_on_eoi
;
602 partial_vs_wave
= cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.partial_vs_wave
;
604 if (chip_class
>= CIK
) {
605 wd_switch_on_eop
= cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.wd_switch_on_eop
;
607 /* Hawaii hangs if instancing is enabled and WD_SWITCH_ON_EOP is 0.
608 * We don't know that for indirect drawing, so treat it as
609 * always problematic. */
610 if (family
== CHIP_HAWAII
&&
611 (instanced_draw
|| indirect_draw
))
612 wd_switch_on_eop
= true;
614 /* Performance recommendation for 4 SE Gfx7-8 parts if
615 * instances are smaller than a primgroup.
616 * Assume indirect draws always use small instances.
617 * This is needed for good VS wave utilization.
619 if (chip_class
<= VI
&&
621 multi_instances_smaller_than_primgroup
)
622 wd_switch_on_eop
= true;
624 /* Required on CIK and later. */
625 if (info
->max_se
> 2 && !wd_switch_on_eop
)
626 ia_switch_on_eoi
= true;
628 /* Required by Hawaii and, for some special cases, by VI. */
629 if (ia_switch_on_eoi
&&
630 (family
== CHIP_HAWAII
||
632 /* max primgroup in wave is always 2 - leave this for documentation */
633 (radv_pipeline_has_gs(cmd_buffer
->state
.pipeline
) || max_primgroup_in_wave
!= 2))))
634 partial_vs_wave
= true;
636 /* Instancing bug on Bonaire. */
637 if (family
== CHIP_BONAIRE
&& ia_switch_on_eoi
&&
638 (instanced_draw
|| indirect_draw
))
639 partial_vs_wave
= true;
641 /* If the WD switch is false, the IA switch must be false too. */
642 assert(wd_switch_on_eop
|| !ia_switch_on_eop
);
644 /* If SWITCH_ON_EOI is set, PARTIAL_ES_WAVE must be set too. */
645 if (chip_class
<= VI
&& ia_switch_on_eoi
)
646 partial_es_wave
= true;
648 if (radv_pipeline_has_gs(cmd_buffer
->state
.pipeline
)) {
649 /* GS hw bug with single-primitive instances and SWITCH_ON_EOI.
650 * The hw doc says all multi-SE chips are affected, but amdgpu-pro Vulkan
651 * only applies it to Hawaii. Do what amdgpu-pro Vulkan does.
653 if (family
== CHIP_HAWAII
&& ia_switch_on_eoi
) {
654 bool set_vgt_flush
= indirect_draw
;
655 if (!set_vgt_flush
&& instanced_draw
) {
656 uint32_t num_prims
= radv_prims_for_vertices(&cmd_buffer
->state
.pipeline
->graphics
.prim_vertex_count
, draw_vertex_count
);
658 set_vgt_flush
= true;
661 cmd_buffer
->state
.flush_bits
|= RADV_CMD_FLAG_VGT_FLUSH
;
665 return cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.base
|
666 S_028AA8_SWITCH_ON_EOP(ia_switch_on_eop
) |
667 S_028AA8_SWITCH_ON_EOI(ia_switch_on_eoi
) |
668 S_028AA8_PARTIAL_VS_WAVE_ON(partial_vs_wave
) |
669 S_028AA8_PARTIAL_ES_WAVE_ON(partial_es_wave
) |
670 S_028AA8_WD_SWITCH_ON_EOP(chip_class
>= CIK
? wd_switch_on_eop
: 0);
674 void si_cs_emit_write_event_eop(struct radeon_cmdbuf
*cs
,
675 enum chip_class chip_class
,
677 unsigned event
, unsigned event_flags
,
682 uint64_t gfx9_eop_bug_va
)
684 unsigned op
= EVENT_TYPE(event
) |
687 unsigned is_gfx8_mec
= is_mec
&& chip_class
< GFX9
;
688 unsigned sel
= EOP_DATA_SEL(data_sel
);
690 /* Wait for write confirmation before writing data, but don't send
692 if (data_sel
!= EOP_DATA_SEL_DISCARD
)
693 sel
|= EOP_INT_SEL(EOP_INT_SEL_SEND_DATA_AFTER_WR_CONFIRM
);
695 if (chip_class
>= GFX9
|| is_gfx8_mec
) {
696 /* A ZPASS_DONE or PIXEL_STAT_DUMP_EVENT (of the DB occlusion
697 * counters) must immediately precede every timestamp event to
698 * prevent a GPU hang on GFX9.
700 if (chip_class
== GFX9
) {
701 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 2, 0));
702 radeon_emit(cs
, EVENT_TYPE(EVENT_TYPE_ZPASS_DONE
) | EVENT_INDEX(1));
703 radeon_emit(cs
, gfx9_eop_bug_va
);
704 radeon_emit(cs
, gfx9_eop_bug_va
>> 32);
707 radeon_emit(cs
, PKT3(PKT3_RELEASE_MEM
, is_gfx8_mec
? 5 : 6, false));
709 radeon_emit(cs
, sel
);
710 radeon_emit(cs
, va
); /* address lo */
711 radeon_emit(cs
, va
>> 32); /* address hi */
712 radeon_emit(cs
, new_fence
); /* immediate data lo */
713 radeon_emit(cs
, 0); /* immediate data hi */
715 radeon_emit(cs
, 0); /* unused */
717 if (chip_class
== CIK
||
719 /* Two EOP events are required to make all engines go idle
720 * (and optional cache flushes executed) before the timestamp
723 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE_EOP
, 4, false));
726 radeon_emit(cs
, ((va
>> 32) & 0xffff) | sel
);
727 radeon_emit(cs
, old_fence
); /* immediate data */
728 radeon_emit(cs
, 0); /* unused */
731 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE_EOP
, 4, false));
734 radeon_emit(cs
, ((va
>> 32) & 0xffff) | sel
);
735 radeon_emit(cs
, new_fence
); /* immediate data */
736 radeon_emit(cs
, 0); /* unused */
741 si_emit_wait_fence(struct radeon_cmdbuf
*cs
,
742 uint64_t va
, uint32_t ref
,
745 radeon_emit(cs
, PKT3(PKT3_WAIT_REG_MEM
, 5, false));
746 radeon_emit(cs
, WAIT_REG_MEM_EQUAL
| WAIT_REG_MEM_MEM_SPACE(1));
748 radeon_emit(cs
, va
>> 32);
749 radeon_emit(cs
, ref
); /* reference value */
750 radeon_emit(cs
, mask
); /* mask */
751 radeon_emit(cs
, 4); /* poll interval */
755 si_emit_acquire_mem(struct radeon_cmdbuf
*cs
,
758 unsigned cp_coher_cntl
)
760 if (is_mec
|| is_gfx9
) {
761 uint32_t hi_val
= is_gfx9
? 0xffffff : 0xff;
762 radeon_emit(cs
, PKT3(PKT3_ACQUIRE_MEM
, 5, false) |
763 PKT3_SHADER_TYPE_S(is_mec
));
764 radeon_emit(cs
, cp_coher_cntl
); /* CP_COHER_CNTL */
765 radeon_emit(cs
, 0xffffffff); /* CP_COHER_SIZE */
766 radeon_emit(cs
, hi_val
); /* CP_COHER_SIZE_HI */
767 radeon_emit(cs
, 0); /* CP_COHER_BASE */
768 radeon_emit(cs
, 0); /* CP_COHER_BASE_HI */
769 radeon_emit(cs
, 0x0000000A); /* POLL_INTERVAL */
771 /* ACQUIRE_MEM is only required on a compute ring. */
772 radeon_emit(cs
, PKT3(PKT3_SURFACE_SYNC
, 3, false));
773 radeon_emit(cs
, cp_coher_cntl
); /* CP_COHER_CNTL */
774 radeon_emit(cs
, 0xffffffff); /* CP_COHER_SIZE */
775 radeon_emit(cs
, 0); /* CP_COHER_BASE */
776 radeon_emit(cs
, 0x0000000A); /* POLL_INTERVAL */
781 si_cs_emit_cache_flush(struct radeon_cmdbuf
*cs
,
782 enum chip_class chip_class
,
786 enum radv_cmd_flush_bits flush_bits
,
787 uint64_t gfx9_eop_bug_va
)
789 unsigned cp_coher_cntl
= 0;
790 uint32_t flush_cb_db
= flush_bits
& (RADV_CMD_FLAG_FLUSH_AND_INV_CB
|
791 RADV_CMD_FLAG_FLUSH_AND_INV_DB
);
793 if (flush_bits
& RADV_CMD_FLAG_INV_ICACHE
)
794 cp_coher_cntl
|= S_0085F0_SH_ICACHE_ACTION_ENA(1);
795 if (flush_bits
& RADV_CMD_FLAG_INV_SMEM_L1
)
796 cp_coher_cntl
|= S_0085F0_SH_KCACHE_ACTION_ENA(1);
798 if (chip_class
<= VI
) {
799 if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_CB
) {
800 cp_coher_cntl
|= S_0085F0_CB_ACTION_ENA(1) |
801 S_0085F0_CB0_DEST_BASE_ENA(1) |
802 S_0085F0_CB1_DEST_BASE_ENA(1) |
803 S_0085F0_CB2_DEST_BASE_ENA(1) |
804 S_0085F0_CB3_DEST_BASE_ENA(1) |
805 S_0085F0_CB4_DEST_BASE_ENA(1) |
806 S_0085F0_CB5_DEST_BASE_ENA(1) |
807 S_0085F0_CB6_DEST_BASE_ENA(1) |
808 S_0085F0_CB7_DEST_BASE_ENA(1);
810 /* Necessary for DCC */
811 if (chip_class
>= VI
) {
812 si_cs_emit_write_event_eop(cs
,
815 V_028A90_FLUSH_AND_INV_CB_DATA_TS
,
817 EOP_DATA_SEL_DISCARD
,
822 if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_DB
) {
823 cp_coher_cntl
|= S_0085F0_DB_ACTION_ENA(1) |
824 S_0085F0_DB_DEST_BASE_ENA(1);
828 if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_CB_META
) {
829 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
830 radeon_emit(cs
, EVENT_TYPE(V_028A90_FLUSH_AND_INV_CB_META
) | EVENT_INDEX(0));
833 if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_DB_META
) {
834 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
835 radeon_emit(cs
, EVENT_TYPE(V_028A90_FLUSH_AND_INV_DB_META
) | EVENT_INDEX(0));
838 if (flush_bits
& RADV_CMD_FLAG_PS_PARTIAL_FLUSH
) {
839 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
840 radeon_emit(cs
, EVENT_TYPE(V_028A90_PS_PARTIAL_FLUSH
) | EVENT_INDEX(4));
841 } else if (flush_bits
& RADV_CMD_FLAG_VS_PARTIAL_FLUSH
) {
842 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
843 radeon_emit(cs
, EVENT_TYPE(V_028A90_VS_PARTIAL_FLUSH
) | EVENT_INDEX(4));
846 if (flush_bits
& RADV_CMD_FLAG_CS_PARTIAL_FLUSH
) {
847 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
848 radeon_emit(cs
, EVENT_TYPE(V_028A90_CS_PARTIAL_FLUSH
) | EVENT_INDEX(4));
851 if (chip_class
>= GFX9
&& flush_cb_db
) {
852 unsigned cb_db_event
, tc_flags
;
854 /* Set the CB/DB flush event. */
855 cb_db_event
= V_028A90_CACHE_FLUSH_AND_INV_TS_EVENT
;
857 /* These are the only allowed combinations. If you need to
858 * do multiple operations at once, do them separately.
859 * All operations that invalidate L2 also seem to invalidate
860 * metadata. Volatile (VOL) and WC flushes are not listed here.
862 * TC | TC_WB = writeback & invalidate L2 & L1
863 * TC | TC_WB | TC_NC = writeback & invalidate L2 for MTYPE == NC
864 * TC_WB | TC_NC = writeback L2 for MTYPE == NC
865 * TC | TC_NC = invalidate L2 for MTYPE == NC
866 * TC | TC_MD = writeback & invalidate L2 metadata (DCC, etc.)
867 * TCL1 = invalidate L1
869 tc_flags
= EVENT_TC_ACTION_ENA
|
870 EVENT_TC_MD_ACTION_ENA
;
872 /* Ideally flush TC together with CB/DB. */
873 if (flush_bits
& RADV_CMD_FLAG_INV_GLOBAL_L2
) {
874 /* Writeback and invalidate everything in L2 & L1. */
875 tc_flags
= EVENT_TC_ACTION_ENA
|
876 EVENT_TC_WB_ACTION_ENA
;
879 /* Clear the flags. */
880 flush_bits
&= ~(RADV_CMD_FLAG_INV_GLOBAL_L2
|
881 RADV_CMD_FLAG_WRITEBACK_GLOBAL_L2
|
882 RADV_CMD_FLAG_INV_VMEM_L1
);
885 uint32_t old_fence
= (*flush_cnt
)++;
887 si_cs_emit_write_event_eop(cs
, chip_class
, false, cb_db_event
, tc_flags
,
888 EOP_DATA_SEL_VALUE_32BIT
,
889 flush_va
, old_fence
, *flush_cnt
,
891 si_emit_wait_fence(cs
, flush_va
, *flush_cnt
, 0xffffffff);
895 if (flush_bits
& RADV_CMD_FLAG_VGT_FLUSH
) {
896 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
897 radeon_emit(cs
, EVENT_TYPE(V_028A90_VGT_FLUSH
) | EVENT_INDEX(0));
900 /* Make sure ME is idle (it executes most packets) before continuing.
901 * This prevents read-after-write hazards between PFP and ME.
903 if ((cp_coher_cntl
||
904 (flush_bits
& (RADV_CMD_FLAG_CS_PARTIAL_FLUSH
|
905 RADV_CMD_FLAG_INV_VMEM_L1
|
906 RADV_CMD_FLAG_INV_GLOBAL_L2
|
907 RADV_CMD_FLAG_WRITEBACK_GLOBAL_L2
))) &&
909 radeon_emit(cs
, PKT3(PKT3_PFP_SYNC_ME
, 0, 0));
913 if ((flush_bits
& RADV_CMD_FLAG_INV_GLOBAL_L2
) ||
914 (chip_class
<= CIK
&& (flush_bits
& RADV_CMD_FLAG_WRITEBACK_GLOBAL_L2
))) {
915 si_emit_acquire_mem(cs
, is_mec
, chip_class
>= GFX9
,
917 S_0085F0_TC_ACTION_ENA(1) |
918 S_0085F0_TCL1_ACTION_ENA(1) |
919 S_0301F0_TC_WB_ACTION_ENA(chip_class
>= VI
));
922 if(flush_bits
& RADV_CMD_FLAG_WRITEBACK_GLOBAL_L2
) {
924 * NC = apply to non-coherent MTYPEs
925 * (i.e. MTYPE <= 1, which is what we use everywhere)
927 * WB doesn't work without NC.
929 si_emit_acquire_mem(cs
, is_mec
,
932 S_0301F0_TC_WB_ACTION_ENA(1) |
933 S_0301F0_TC_NC_ACTION_ENA(1));
936 if (flush_bits
& RADV_CMD_FLAG_INV_VMEM_L1
) {
937 si_emit_acquire_mem(cs
, is_mec
,
940 S_0085F0_TCL1_ACTION_ENA(1));
945 /* When one of the DEST_BASE flags is set, SURFACE_SYNC waits for idle.
946 * Therefore, it should be last. Done in PFP.
949 si_emit_acquire_mem(cs
, is_mec
, chip_class
>= GFX9
, cp_coher_cntl
);
951 if (flush_bits
& RADV_CMD_FLAG_START_PIPELINE_STATS
) {
952 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
953 radeon_emit(cs
, EVENT_TYPE(V_028A90_PIPELINESTAT_START
) |
955 } else if (flush_bits
& RADV_CMD_FLAG_STOP_PIPELINE_STATS
) {
956 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
957 radeon_emit(cs
, EVENT_TYPE(V_028A90_PIPELINESTAT_STOP
) |
963 si_emit_cache_flush(struct radv_cmd_buffer
*cmd_buffer
)
965 bool is_compute
= cmd_buffer
->queue_family_index
== RADV_QUEUE_COMPUTE
;
968 cmd_buffer
->state
.flush_bits
&= ~(RADV_CMD_FLAG_FLUSH_AND_INV_CB
|
969 RADV_CMD_FLAG_FLUSH_AND_INV_CB_META
|
970 RADV_CMD_FLAG_FLUSH_AND_INV_DB
|
971 RADV_CMD_FLAG_FLUSH_AND_INV_DB_META
|
972 RADV_CMD_FLAG_PS_PARTIAL_FLUSH
|
973 RADV_CMD_FLAG_VS_PARTIAL_FLUSH
|
974 RADV_CMD_FLAG_VGT_FLUSH
|
975 RADV_CMD_FLAG_START_PIPELINE_STATS
|
976 RADV_CMD_FLAG_STOP_PIPELINE_STATS
);
978 if (!cmd_buffer
->state
.flush_bits
)
981 enum chip_class chip_class
= cmd_buffer
->device
->physical_device
->rad_info
.chip_class
;
982 radeon_check_space(cmd_buffer
->device
->ws
, cmd_buffer
->cs
, 128);
984 uint32_t *ptr
= NULL
;
986 if (chip_class
== GFX9
) {
987 va
= radv_buffer_get_va(cmd_buffer
->gfx9_fence_bo
) + cmd_buffer
->gfx9_fence_offset
;
988 ptr
= &cmd_buffer
->gfx9_fence_idx
;
990 si_cs_emit_cache_flush(cmd_buffer
->cs
,
991 cmd_buffer
->device
->physical_device
->rad_info
.chip_class
,
993 radv_cmd_buffer_uses_mec(cmd_buffer
),
994 cmd_buffer
->state
.flush_bits
,
995 cmd_buffer
->gfx9_eop_bug_va
);
998 if (unlikely(cmd_buffer
->device
->trace_bo
))
999 radv_cmd_buffer_trace_emit(cmd_buffer
);
1001 cmd_buffer
->state
.flush_bits
= 0;
1004 /* sets the CP predication state using a boolean stored at va */
1006 si_emit_set_predication_state(struct radv_cmd_buffer
*cmd_buffer
,
1007 bool draw_visible
, uint64_t va
)
1012 op
= PRED_OP(PREDICATION_OP_BOOL64
);
1014 /* PREDICATION_DRAW_VISIBLE means that if the 32-bit value is
1015 * zero, all rendering commands are discarded. Otherwise, they
1016 * are discarded if the value is non zero.
1018 op
|= draw_visible
? PREDICATION_DRAW_VISIBLE
:
1019 PREDICATION_DRAW_NOT_VISIBLE
;
1021 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX9
) {
1022 radeon_emit(cmd_buffer
->cs
, PKT3(PKT3_SET_PREDICATION
, 2, 0));
1023 radeon_emit(cmd_buffer
->cs
, op
);
1024 radeon_emit(cmd_buffer
->cs
, va
);
1025 radeon_emit(cmd_buffer
->cs
, va
>> 32);
1027 radeon_emit(cmd_buffer
->cs
, PKT3(PKT3_SET_PREDICATION
, 1, 0));
1028 radeon_emit(cmd_buffer
->cs
, va
);
1029 radeon_emit(cmd_buffer
->cs
, op
| ((va
>> 32) & 0xFF));
1033 /* Set this if you want the 3D engine to wait until CP DMA is done.
1034 * It should be set on the last CP DMA packet. */
1035 #define CP_DMA_SYNC (1 << 0)
1037 /* Set this if the source data was used as a destination in a previous CP DMA
1038 * packet. It's for preventing a read-after-write (RAW) hazard between two
1039 * CP DMA packets. */
1040 #define CP_DMA_RAW_WAIT (1 << 1)
1041 #define CP_DMA_USE_L2 (1 << 2)
1042 #define CP_DMA_CLEAR (1 << 3)
1044 /* Alignment for optimal performance. */
1045 #define SI_CPDMA_ALIGNMENT 32
1047 /* The max number of bytes that can be copied per packet. */
1048 static inline unsigned cp_dma_max_byte_count(struct radv_cmd_buffer
*cmd_buffer
)
1050 unsigned max
= cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX9
?
1051 S_414_BYTE_COUNT_GFX9(~0u) :
1052 S_414_BYTE_COUNT_GFX6(~0u);
1054 /* make it aligned for optimal performance */
1055 return max
& ~(SI_CPDMA_ALIGNMENT
- 1);
1058 /* Emit a CP DMA packet to do a copy from one buffer to another, or to clear
1059 * a buffer. The size must fit in bits [20:0]. If CP_DMA_CLEAR is set, src_va is a 32-bit
1062 static void si_emit_cp_dma(struct radv_cmd_buffer
*cmd_buffer
,
1063 uint64_t dst_va
, uint64_t src_va
,
1064 unsigned size
, unsigned flags
)
1066 struct radeon_cmdbuf
*cs
= cmd_buffer
->cs
;
1067 uint32_t header
= 0, command
= 0;
1069 assert(size
<= cp_dma_max_byte_count(cmd_buffer
));
1071 radeon_check_space(cmd_buffer
->device
->ws
, cmd_buffer
->cs
, 9);
1072 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX9
)
1073 command
|= S_414_BYTE_COUNT_GFX9(size
);
1075 command
|= S_414_BYTE_COUNT_GFX6(size
);
1078 if (flags
& CP_DMA_SYNC
)
1079 header
|= S_411_CP_SYNC(1);
1081 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX9
)
1082 command
|= S_414_DISABLE_WR_CONFIRM_GFX9(1);
1084 command
|= S_414_DISABLE_WR_CONFIRM_GFX6(1);
1087 if (flags
& CP_DMA_RAW_WAIT
)
1088 command
|= S_414_RAW_WAIT(1);
1090 /* Src and dst flags. */
1091 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX9
&&
1092 !(flags
& CP_DMA_CLEAR
) &&
1094 header
|= S_411_DST_SEL(V_411_NOWHERE
); /* prefetch only */
1095 else if (flags
& CP_DMA_USE_L2
)
1096 header
|= S_411_DST_SEL(V_411_DST_ADDR_TC_L2
);
1098 if (flags
& CP_DMA_CLEAR
)
1099 header
|= S_411_SRC_SEL(V_411_DATA
);
1100 else if (flags
& CP_DMA_USE_L2
)
1101 header
|= S_411_SRC_SEL(V_411_SRC_ADDR_TC_L2
);
1103 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= CIK
) {
1104 radeon_emit(cs
, PKT3(PKT3_DMA_DATA
, 5, cmd_buffer
->state
.predicating
));
1105 radeon_emit(cs
, header
);
1106 radeon_emit(cs
, src_va
); /* SRC_ADDR_LO [31:0] */
1107 radeon_emit(cs
, src_va
>> 32); /* SRC_ADDR_HI [31:0] */
1108 radeon_emit(cs
, dst_va
); /* DST_ADDR_LO [31:0] */
1109 radeon_emit(cs
, dst_va
>> 32); /* DST_ADDR_HI [31:0] */
1110 radeon_emit(cs
, command
);
1112 assert(!(flags
& CP_DMA_USE_L2
));
1113 header
|= S_411_SRC_ADDR_HI(src_va
>> 32);
1114 radeon_emit(cs
, PKT3(PKT3_CP_DMA
, 4, cmd_buffer
->state
.predicating
));
1115 radeon_emit(cs
, src_va
); /* SRC_ADDR_LO [31:0] */
1116 radeon_emit(cs
, header
); /* SRC_ADDR_HI [15:0] + flags. */
1117 radeon_emit(cs
, dst_va
); /* DST_ADDR_LO [31:0] */
1118 radeon_emit(cs
, (dst_va
>> 32) & 0xffff); /* DST_ADDR_HI [15:0] */
1119 radeon_emit(cs
, command
);
1122 /* CP DMA is executed in ME, but index buffers are read by PFP.
1123 * This ensures that ME (CP DMA) is idle before PFP starts fetching
1124 * indices. If we wanted to execute CP DMA in PFP, this packet
1125 * should precede it.
1127 if (flags
& CP_DMA_SYNC
) {
1128 if (cmd_buffer
->queue_family_index
== RADV_QUEUE_GENERAL
) {
1129 radeon_emit(cs
, PKT3(PKT3_PFP_SYNC_ME
, 0, cmd_buffer
->state
.predicating
));
1133 /* CP will see the sync flag and wait for all DMAs to complete. */
1134 cmd_buffer
->state
.dma_is_busy
= false;
1137 if (unlikely(cmd_buffer
->device
->trace_bo
))
1138 radv_cmd_buffer_trace_emit(cmd_buffer
);
1141 void si_cp_dma_prefetch(struct radv_cmd_buffer
*cmd_buffer
, uint64_t va
,
1144 uint64_t aligned_va
= va
& ~(SI_CPDMA_ALIGNMENT
- 1);
1145 uint64_t aligned_size
= ((va
+ size
+ SI_CPDMA_ALIGNMENT
-1) & ~(SI_CPDMA_ALIGNMENT
- 1)) - aligned_va
;
1147 si_emit_cp_dma(cmd_buffer
, aligned_va
, aligned_va
,
1148 aligned_size
, CP_DMA_USE_L2
);
1151 static void si_cp_dma_prepare(struct radv_cmd_buffer
*cmd_buffer
, uint64_t byte_count
,
1152 uint64_t remaining_size
, unsigned *flags
)
1155 /* Flush the caches for the first copy only.
1156 * Also wait for the previous CP DMA operations.
1158 if (cmd_buffer
->state
.flush_bits
) {
1159 si_emit_cache_flush(cmd_buffer
);
1160 *flags
|= CP_DMA_RAW_WAIT
;
1163 /* Do the synchronization after the last dma, so that all data
1164 * is written to memory.
1166 if (byte_count
== remaining_size
)
1167 *flags
|= CP_DMA_SYNC
;
1170 static void si_cp_dma_realign_engine(struct radv_cmd_buffer
*cmd_buffer
, unsigned size
)
1174 unsigned dma_flags
= 0;
1175 unsigned buf_size
= SI_CPDMA_ALIGNMENT
* 2;
1178 assert(size
< SI_CPDMA_ALIGNMENT
);
1180 radv_cmd_buffer_upload_alloc(cmd_buffer
, buf_size
, SI_CPDMA_ALIGNMENT
, &offset
, &ptr
);
1182 va
= radv_buffer_get_va(cmd_buffer
->upload
.upload_bo
);
1185 si_cp_dma_prepare(cmd_buffer
, size
, size
, &dma_flags
);
1187 si_emit_cp_dma(cmd_buffer
, va
, va
+ SI_CPDMA_ALIGNMENT
, size
,
1191 void si_cp_dma_buffer_copy(struct radv_cmd_buffer
*cmd_buffer
,
1192 uint64_t src_va
, uint64_t dest_va
,
1195 uint64_t main_src_va
, main_dest_va
;
1196 uint64_t skipped_size
= 0, realign_size
= 0;
1198 /* Assume that we are not going to sync after the last DMA operation. */
1199 cmd_buffer
->state
.dma_is_busy
= true;
1201 if (cmd_buffer
->device
->physical_device
->rad_info
.family
<= CHIP_CARRIZO
||
1202 cmd_buffer
->device
->physical_device
->rad_info
.family
== CHIP_STONEY
) {
1203 /* If the size is not aligned, we must add a dummy copy at the end
1204 * just to align the internal counter. Otherwise, the DMA engine
1205 * would slow down by an order of magnitude for following copies.
1207 if (size
% SI_CPDMA_ALIGNMENT
)
1208 realign_size
= SI_CPDMA_ALIGNMENT
- (size
% SI_CPDMA_ALIGNMENT
);
1210 /* If the copy begins unaligned, we must start copying from the next
1211 * aligned block and the skipped part should be copied after everything
1212 * else has been copied. Only the src alignment matters, not dst.
1214 if (src_va
% SI_CPDMA_ALIGNMENT
) {
1215 skipped_size
= SI_CPDMA_ALIGNMENT
- (src_va
% SI_CPDMA_ALIGNMENT
);
1216 /* The main part will be skipped if the size is too small. */
1217 skipped_size
= MIN2(skipped_size
, size
);
1218 size
-= skipped_size
;
1221 main_src_va
= src_va
+ skipped_size
;
1222 main_dest_va
= dest_va
+ skipped_size
;
1225 unsigned dma_flags
= 0;
1226 unsigned byte_count
= MIN2(size
, cp_dma_max_byte_count(cmd_buffer
));
1228 si_cp_dma_prepare(cmd_buffer
, byte_count
,
1229 size
+ skipped_size
+ realign_size
,
1232 si_emit_cp_dma(cmd_buffer
, main_dest_va
, main_src_va
,
1233 byte_count
, dma_flags
);
1236 main_src_va
+= byte_count
;
1237 main_dest_va
+= byte_count
;
1241 unsigned dma_flags
= 0;
1243 si_cp_dma_prepare(cmd_buffer
, skipped_size
,
1244 size
+ skipped_size
+ realign_size
,
1247 si_emit_cp_dma(cmd_buffer
, dest_va
, src_va
,
1248 skipped_size
, dma_flags
);
1251 si_cp_dma_realign_engine(cmd_buffer
, realign_size
);
1254 void si_cp_dma_clear_buffer(struct radv_cmd_buffer
*cmd_buffer
, uint64_t va
,
1255 uint64_t size
, unsigned value
)
1261 assert(va
% 4 == 0 && size
% 4 == 0);
1263 /* Assume that we are not going to sync after the last DMA operation. */
1264 cmd_buffer
->state
.dma_is_busy
= true;
1267 unsigned byte_count
= MIN2(size
, cp_dma_max_byte_count(cmd_buffer
));
1268 unsigned dma_flags
= CP_DMA_CLEAR
;
1270 si_cp_dma_prepare(cmd_buffer
, byte_count
, size
, &dma_flags
);
1272 /* Emit the clear packet. */
1273 si_emit_cp_dma(cmd_buffer
, va
, value
, byte_count
,
1281 void si_cp_dma_wait_for_idle(struct radv_cmd_buffer
*cmd_buffer
)
1283 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
< CIK
)
1286 if (!cmd_buffer
->state
.dma_is_busy
)
1289 /* Issue a dummy DMA that copies zero bytes.
1291 * The DMA engine will see that there's no work to do and skip this
1292 * DMA request, however, the CP will see the sync flag and still wait
1293 * for all DMAs to complete.
1295 si_emit_cp_dma(cmd_buffer
, 0, 0, 0, CP_DMA_SYNC
);
1297 cmd_buffer
->state
.dma_is_busy
= false;
1300 /* For MSAA sample positions. */
1301 #define FILL_SREG(s0x, s0y, s1x, s1y, s2x, s2y, s3x, s3y) \
1302 (((s0x) & 0xf) | (((unsigned)(s0y) & 0xf) << 4) | \
1303 (((unsigned)(s1x) & 0xf) << 8) | (((unsigned)(s1y) & 0xf) << 12) | \
1304 (((unsigned)(s2x) & 0xf) << 16) | (((unsigned)(s2y) & 0xf) << 20) | \
1305 (((unsigned)(s3x) & 0xf) << 24) | (((unsigned)(s3y) & 0xf) << 28))
1309 * There are two locations (4, 4), (-4, -4). */
1310 const uint32_t eg_sample_locs_2x
[4] = {
1311 FILL_SREG(4, 4, -4, -4, 4, 4, -4, -4),
1312 FILL_SREG(4, 4, -4, -4, 4, 4, -4, -4),
1313 FILL_SREG(4, 4, -4, -4, 4, 4, -4, -4),
1314 FILL_SREG(4, 4, -4, -4, 4, 4, -4, -4),
1316 const unsigned eg_max_dist_2x
= 4;
1318 * There are 4 locations: (-2, 6), (6, -2), (-6, 2), (2, 6). */
1319 const uint32_t eg_sample_locs_4x
[4] = {
1320 FILL_SREG(-2, -6, 6, -2, -6, 2, 2, 6),
1321 FILL_SREG(-2, -6, 6, -2, -6, 2, 2, 6),
1322 FILL_SREG(-2, -6, 6, -2, -6, 2, 2, 6),
1323 FILL_SREG(-2, -6, 6, -2, -6, 2, 2, 6),
1325 const unsigned eg_max_dist_4x
= 6;
1328 static const uint32_t cm_sample_locs_8x
[] = {
1329 FILL_SREG( 1, -3, -1, 3, 5, 1, -3, -5),
1330 FILL_SREG( 1, -3, -1, 3, 5, 1, -3, -5),
1331 FILL_SREG( 1, -3, -1, 3, 5, 1, -3, -5),
1332 FILL_SREG( 1, -3, -1, 3, 5, 1, -3, -5),
1333 FILL_SREG(-5, 5, -7, -1, 3, 7, 7, -7),
1334 FILL_SREG(-5, 5, -7, -1, 3, 7, 7, -7),
1335 FILL_SREG(-5, 5, -7, -1, 3, 7, 7, -7),
1336 FILL_SREG(-5, 5, -7, -1, 3, 7, 7, -7),
1338 static const unsigned cm_max_dist_8x
= 8;
1339 /* Cayman 16xMSAA */
1340 static const uint32_t cm_sample_locs_16x
[] = {
1341 FILL_SREG( 1, 1, -1, -3, -3, 2, 4, -1),
1342 FILL_SREG( 1, 1, -1, -3, -3, 2, 4, -1),
1343 FILL_SREG( 1, 1, -1, -3, -3, 2, 4, -1),
1344 FILL_SREG( 1, 1, -1, -3, -3, 2, 4, -1),
1345 FILL_SREG(-5, -2, 2, 5, 5, 3, 3, -5),
1346 FILL_SREG(-5, -2, 2, 5, 5, 3, 3, -5),
1347 FILL_SREG(-5, -2, 2, 5, 5, 3, 3, -5),
1348 FILL_SREG(-5, -2, 2, 5, 5, 3, 3, -5),
1349 FILL_SREG(-2, 6, 0, -7, -4, -6, -6, 4),
1350 FILL_SREG(-2, 6, 0, -7, -4, -6, -6, 4),
1351 FILL_SREG(-2, 6, 0, -7, -4, -6, -6, 4),
1352 FILL_SREG(-2, 6, 0, -7, -4, -6, -6, 4),
1353 FILL_SREG(-8, 0, 7, -4, 6, 7, -7, -8),
1354 FILL_SREG(-8, 0, 7, -4, 6, 7, -7, -8),
1355 FILL_SREG(-8, 0, 7, -4, 6, 7, -7, -8),
1356 FILL_SREG(-8, 0, 7, -4, 6, 7, -7, -8),
1358 static const unsigned cm_max_dist_16x
= 8;
1360 unsigned radv_cayman_get_maxdist(int log_samples
)
1362 unsigned max_dist
[] = {
1369 return max_dist
[log_samples
];
1372 void radv_cayman_emit_msaa_sample_locs(struct radeon_cmdbuf
*cs
, int nr_samples
)
1374 switch (nr_samples
) {
1377 radeon_set_context_reg(cs
, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0
, 0);
1378 radeon_set_context_reg(cs
, R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0
, 0);
1379 radeon_set_context_reg(cs
, R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0
, 0);
1380 radeon_set_context_reg(cs
, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0
, 0);
1383 radeon_set_context_reg(cs
, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0
, eg_sample_locs_2x
[0]);
1384 radeon_set_context_reg(cs
, R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0
, eg_sample_locs_2x
[1]);
1385 radeon_set_context_reg(cs
, R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0
, eg_sample_locs_2x
[2]);
1386 radeon_set_context_reg(cs
, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0
, eg_sample_locs_2x
[3]);
1389 radeon_set_context_reg(cs
, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0
, eg_sample_locs_4x
[0]);
1390 radeon_set_context_reg(cs
, R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0
, eg_sample_locs_4x
[1]);
1391 radeon_set_context_reg(cs
, R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0
, eg_sample_locs_4x
[2]);
1392 radeon_set_context_reg(cs
, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0
, eg_sample_locs_4x
[3]);
1395 radeon_set_context_reg_seq(cs
, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0
, 14);
1396 radeon_emit(cs
, cm_sample_locs_8x
[0]);
1397 radeon_emit(cs
, cm_sample_locs_8x
[4]);
1400 radeon_emit(cs
, cm_sample_locs_8x
[1]);
1401 radeon_emit(cs
, cm_sample_locs_8x
[5]);
1404 radeon_emit(cs
, cm_sample_locs_8x
[2]);
1405 radeon_emit(cs
, cm_sample_locs_8x
[6]);
1408 radeon_emit(cs
, cm_sample_locs_8x
[3]);
1409 radeon_emit(cs
, cm_sample_locs_8x
[7]);
1412 radeon_set_context_reg_seq(cs
, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0
, 16);
1413 radeon_emit(cs
, cm_sample_locs_16x
[0]);
1414 radeon_emit(cs
, cm_sample_locs_16x
[4]);
1415 radeon_emit(cs
, cm_sample_locs_16x
[8]);
1416 radeon_emit(cs
, cm_sample_locs_16x
[12]);
1417 radeon_emit(cs
, cm_sample_locs_16x
[1]);
1418 radeon_emit(cs
, cm_sample_locs_16x
[5]);
1419 radeon_emit(cs
, cm_sample_locs_16x
[9]);
1420 radeon_emit(cs
, cm_sample_locs_16x
[13]);
1421 radeon_emit(cs
, cm_sample_locs_16x
[2]);
1422 radeon_emit(cs
, cm_sample_locs_16x
[6]);
1423 radeon_emit(cs
, cm_sample_locs_16x
[10]);
1424 radeon_emit(cs
, cm_sample_locs_16x
[14]);
1425 radeon_emit(cs
, cm_sample_locs_16x
[3]);
1426 radeon_emit(cs
, cm_sample_locs_16x
[7]);
1427 radeon_emit(cs
, cm_sample_locs_16x
[11]);
1428 radeon_emit(cs
, cm_sample_locs_16x
[15]);
1433 static void radv_cayman_get_sample_position(struct radv_device
*device
,
1434 unsigned sample_count
,
1435 unsigned sample_index
, float *out_value
)
1441 switch (sample_count
) {
1444 out_value
[0] = out_value
[1] = 0.5;
1447 offset
= 4 * (sample_index
* 2);
1448 val
.idx
= (eg_sample_locs_2x
[0] >> offset
) & 0xf;
1449 out_value
[0] = (float)(val
.idx
+ 8) / 16.0f
;
1450 val
.idx
= (eg_sample_locs_2x
[0] >> (offset
+ 4)) & 0xf;
1451 out_value
[1] = (float)(val
.idx
+ 8) / 16.0f
;
1454 offset
= 4 * (sample_index
* 2);
1455 val
.idx
= (eg_sample_locs_4x
[0] >> offset
) & 0xf;
1456 out_value
[0] = (float)(val
.idx
+ 8) / 16.0f
;
1457 val
.idx
= (eg_sample_locs_4x
[0] >> (offset
+ 4)) & 0xf;
1458 out_value
[1] = (float)(val
.idx
+ 8) / 16.0f
;
1461 offset
= 4 * (sample_index
% 4 * 2);
1462 index
= (sample_index
/ 4) * 4;
1463 val
.idx
= (cm_sample_locs_8x
[index
] >> offset
) & 0xf;
1464 out_value
[0] = (float)(val
.idx
+ 8) / 16.0f
;
1465 val
.idx
= (cm_sample_locs_8x
[index
] >> (offset
+ 4)) & 0xf;
1466 out_value
[1] = (float)(val
.idx
+ 8) / 16.0f
;
1469 offset
= 4 * (sample_index
% 4 * 2);
1470 index
= (sample_index
/ 4) * 4;
1471 val
.idx
= (cm_sample_locs_16x
[index
] >> offset
) & 0xf;
1472 out_value
[0] = (float)(val
.idx
+ 8) / 16.0f
;
1473 val
.idx
= (cm_sample_locs_16x
[index
] >> (offset
+ 4)) & 0xf;
1474 out_value
[1] = (float)(val
.idx
+ 8) / 16.0f
;
1479 void radv_device_init_msaa(struct radv_device
*device
)
1482 radv_cayman_get_sample_position(device
, 1, 0, device
->sample_locations_1x
[0]);
1484 for (i
= 0; i
< 2; i
++)
1485 radv_cayman_get_sample_position(device
, 2, i
, device
->sample_locations_2x
[i
]);
1486 for (i
= 0; i
< 4; i
++)
1487 radv_cayman_get_sample_position(device
, 4, i
, device
->sample_locations_4x
[i
]);
1488 for (i
= 0; i
< 8; i
++)
1489 radv_cayman_get_sample_position(device
, 8, i
, device
->sample_locations_8x
[i
]);
1490 for (i
= 0; i
< 16; i
++)
1491 radv_cayman_get_sample_position(device
, 16, i
, device
->sample_locations_16x
[i
]);