2 * Copyright 2012 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
24 * Christian König <christian.koenig@amd.com>
28 #include "si_shader.h"
29 #include "radeon/r600_cs.h"
32 #include "util/u_index_modify.h"
33 #include "util/u_upload_mgr.h"
34 #include "util/u_prim.h"
36 static void si_decompress_textures(struct si_context
*sctx
)
38 if (!sctx
->blitter
->running
) {
39 /* Flush depth textures which need to be flushed. */
40 for (int i
= 0; i
< SI_NUM_SHADERS
; i
++) {
41 if (sctx
->samplers
[i
].depth_texture_mask
) {
42 si_flush_depth_textures(sctx
, &sctx
->samplers
[i
]);
44 if (sctx
->samplers
[i
].compressed_colortex_mask
) {
45 si_decompress_color_textures(sctx
, &sctx
->samplers
[i
]);
51 static unsigned si_conv_pipe_prim(unsigned mode
)
53 static const unsigned prim_conv
[] = {
54 [PIPE_PRIM_POINTS
] = V_008958_DI_PT_POINTLIST
,
55 [PIPE_PRIM_LINES
] = V_008958_DI_PT_LINELIST
,
56 [PIPE_PRIM_LINE_LOOP
] = V_008958_DI_PT_LINELOOP
,
57 [PIPE_PRIM_LINE_STRIP
] = V_008958_DI_PT_LINESTRIP
,
58 [PIPE_PRIM_TRIANGLES
] = V_008958_DI_PT_TRILIST
,
59 [PIPE_PRIM_TRIANGLE_STRIP
] = V_008958_DI_PT_TRISTRIP
,
60 [PIPE_PRIM_TRIANGLE_FAN
] = V_008958_DI_PT_TRIFAN
,
61 [PIPE_PRIM_QUADS
] = V_008958_DI_PT_QUADLIST
,
62 [PIPE_PRIM_QUAD_STRIP
] = V_008958_DI_PT_QUADSTRIP
,
63 [PIPE_PRIM_POLYGON
] = V_008958_DI_PT_POLYGON
,
64 [PIPE_PRIM_LINES_ADJACENCY
] = V_008958_DI_PT_LINELIST_ADJ
,
65 [PIPE_PRIM_LINE_STRIP_ADJACENCY
] = V_008958_DI_PT_LINESTRIP_ADJ
,
66 [PIPE_PRIM_TRIANGLES_ADJACENCY
] = V_008958_DI_PT_TRILIST_ADJ
,
67 [PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY
] = V_008958_DI_PT_TRISTRIP_ADJ
,
68 [PIPE_PRIM_PATCHES
] = V_008958_DI_PT_PATCH
,
69 [R600_PRIM_RECTANGLE_LIST
] = V_008958_DI_PT_RECTLIST
71 assert(mode
< Elements(prim_conv
));
72 return prim_conv
[mode
];
75 static unsigned si_conv_prim_to_gs_out(unsigned mode
)
77 static const int prim_conv
[] = {
78 [PIPE_PRIM_POINTS
] = V_028A6C_OUTPRIM_TYPE_POINTLIST
,
79 [PIPE_PRIM_LINES
] = V_028A6C_OUTPRIM_TYPE_LINESTRIP
,
80 [PIPE_PRIM_LINE_LOOP
] = V_028A6C_OUTPRIM_TYPE_LINESTRIP
,
81 [PIPE_PRIM_LINE_STRIP
] = V_028A6C_OUTPRIM_TYPE_LINESTRIP
,
82 [PIPE_PRIM_TRIANGLES
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
,
83 [PIPE_PRIM_TRIANGLE_STRIP
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
,
84 [PIPE_PRIM_TRIANGLE_FAN
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
,
85 [PIPE_PRIM_QUADS
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
,
86 [PIPE_PRIM_QUAD_STRIP
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
,
87 [PIPE_PRIM_POLYGON
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
,
88 [PIPE_PRIM_LINES_ADJACENCY
] = V_028A6C_OUTPRIM_TYPE_LINESTRIP
,
89 [PIPE_PRIM_LINE_STRIP_ADJACENCY
] = V_028A6C_OUTPRIM_TYPE_LINESTRIP
,
90 [PIPE_PRIM_TRIANGLES_ADJACENCY
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
,
91 [PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
,
92 [PIPE_PRIM_PATCHES
] = V_028A6C_OUTPRIM_TYPE_POINTLIST
,
93 [R600_PRIM_RECTANGLE_LIST
] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
95 assert(mode
< Elements(prim_conv
));
97 return prim_conv
[mode
];
101 * This calculates the LDS size for tessellation shaders (VS, TCS, TES).
102 * LS.LDS_SIZE is shared by all 3 shader stages.
104 * The information about LDS and other non-compile-time parameters is then
105 * written to userdata SGPRs.
107 static void si_emit_derived_tess_state(struct si_context
*sctx
,
108 const struct pipe_draw_info
*info
,
109 unsigned *num_patches
)
111 struct radeon_winsys_cs
*cs
= sctx
->b
.rings
.gfx
.cs
;
112 struct si_shader_selector
*ls
= sctx
->vs_shader
;
113 /* The TES pointer will only be used for sctx->last_tcs.
114 * It would be wrong to think that TCS = TES. */
115 struct si_shader_selector
*tcs
=
116 sctx
->tcs_shader
? sctx
->tcs_shader
: sctx
->tes_shader
;
117 unsigned tes_sh_base
= sctx
->shader_userdata
.sh_base
[PIPE_SHADER_TESS_EVAL
];
118 unsigned num_tcs_input_cp
= info
->vertices_per_patch
;
119 unsigned num_tcs_output_cp
, num_tcs_inputs
, num_tcs_outputs
;
120 unsigned num_tcs_patch_outputs
;
121 unsigned input_vertex_size
, output_vertex_size
, pervertex_output_patch_size
;
122 unsigned input_patch_size
, output_patch_size
, output_patch0_offset
;
123 unsigned perpatch_output_offset
, lds_size
, ls_rsrc2
;
124 unsigned tcs_in_layout
, tcs_out_layout
, tcs_out_offsets
;
126 *num_patches
= 1; /* TODO: calculate this */
128 if (sctx
->last_ls
== ls
->current
&&
129 sctx
->last_tcs
== tcs
&&
130 sctx
->last_tes_sh_base
== tes_sh_base
&&
131 sctx
->last_num_tcs_input_cp
== num_tcs_input_cp
)
134 sctx
->last_ls
= ls
->current
;
135 sctx
->last_tcs
= tcs
;
136 sctx
->last_tes_sh_base
= tes_sh_base
;
137 sctx
->last_num_tcs_input_cp
= num_tcs_input_cp
;
139 /* This calculates how shader inputs and outputs among VS, TCS, and TES
140 * are laid out in LDS. */
141 num_tcs_inputs
= util_last_bit64(ls
->outputs_written
);
143 if (sctx
->tcs_shader
) {
144 num_tcs_outputs
= util_last_bit64(tcs
->outputs_written
);
145 num_tcs_output_cp
= tcs
->info
.properties
[TGSI_PROPERTY_TCS_VERTICES_OUT
];
146 num_tcs_patch_outputs
= util_last_bit64(tcs
->patch_outputs_written
);
148 /* No TCS. Route varyings from LS to TES. */
149 num_tcs_outputs
= num_tcs_inputs
;
150 num_tcs_output_cp
= num_tcs_input_cp
;
151 num_tcs_patch_outputs
= 2; /* TESSINNER + TESSOUTER */
154 input_vertex_size
= num_tcs_inputs
* 16;
155 output_vertex_size
= num_tcs_outputs
* 16;
157 input_patch_size
= num_tcs_input_cp
* input_vertex_size
;
159 pervertex_output_patch_size
= num_tcs_output_cp
* output_vertex_size
;
160 output_patch_size
= pervertex_output_patch_size
+ num_tcs_patch_outputs
* 16;
162 output_patch0_offset
= sctx
->tcs_shader
? input_patch_size
* *num_patches
: 0;
163 perpatch_output_offset
= output_patch0_offset
+ pervertex_output_patch_size
;
165 lds_size
= output_patch0_offset
+ output_patch_size
* *num_patches
;
166 ls_rsrc2
= ls
->current
->ls_rsrc2
;
168 if (sctx
->b
.chip_class
>= CIK
) {
169 assert(lds_size
<= 65536);
170 ls_rsrc2
|= S_00B52C_LDS_SIZE(align(lds_size
, 512) / 512);
172 assert(lds_size
<= 32768);
173 ls_rsrc2
|= S_00B52C_LDS_SIZE(align(lds_size
, 256) / 256);
176 /* Due to a hw bug, RSRC2_LS must be written twice with another
177 * LS register written in between. */
178 if (sctx
->b
.chip_class
== CIK
&& sctx
->b
.family
!= CHIP_HAWAII
)
179 si_write_sh_reg(cs
, R_00B52C_SPI_SHADER_PGM_RSRC2_LS
, ls_rsrc2
);
180 si_write_sh_reg_seq(cs
, R_00B528_SPI_SHADER_PGM_RSRC1_LS
, 2);
181 radeon_emit(cs
, ls
->current
->ls_rsrc1
);
182 radeon_emit(cs
, ls_rsrc2
);
184 /* Compute userdata SGPRs. */
185 assert(((input_vertex_size
/ 4) & ~0xff) == 0);
186 assert(((output_vertex_size
/ 4) & ~0xff) == 0);
187 assert(((input_patch_size
/ 4) & ~0x1fff) == 0);
188 assert(((output_patch_size
/ 4) & ~0x1fff) == 0);
189 assert(((output_patch0_offset
/ 16) & ~0xffff) == 0);
190 assert(((perpatch_output_offset
/ 16) & ~0xffff) == 0);
191 assert(num_tcs_input_cp
<= 32);
192 assert(num_tcs_output_cp
<= 32);
194 tcs_in_layout
= (input_patch_size
/ 4) |
195 ((input_vertex_size
/ 4) << 13);
196 tcs_out_layout
= (output_patch_size
/ 4) |
197 ((output_vertex_size
/ 4) << 13);
198 tcs_out_offsets
= (output_patch0_offset
/ 16) |
199 ((perpatch_output_offset
/ 16) << 16);
201 /* Set them for LS. */
203 R_00B530_SPI_SHADER_USER_DATA_LS_0
+ SI_SGPR_LS_OUT_LAYOUT
* 4,
206 /* Set them for TCS. */
207 si_write_sh_reg_seq(cs
,
208 R_00B430_SPI_SHADER_USER_DATA_HS_0
+ SI_SGPR_TCS_OUT_OFFSETS
* 4, 3);
209 radeon_emit(cs
, tcs_out_offsets
);
210 radeon_emit(cs
, tcs_out_layout
| (num_tcs_input_cp
<< 26));
211 radeon_emit(cs
, tcs_in_layout
);
213 /* Set them for TES. */
214 si_write_sh_reg_seq(cs
, tes_sh_base
+ SI_SGPR_TCS_OUT_OFFSETS
* 4, 2);
215 radeon_emit(cs
, tcs_out_offsets
);
216 radeon_emit(cs
, tcs_out_layout
| (num_tcs_output_cp
<< 26));
219 static unsigned si_get_ia_multi_vgt_param(struct si_context
*sctx
,
220 const struct pipe_draw_info
*info
,
221 unsigned num_patches
)
223 struct si_state_rasterizer
*rs
= sctx
->queued
.named
.rasterizer
;
224 unsigned prim
= info
->mode
;
225 unsigned primgroup_size
= 128; /* recommended without a GS */
227 /* SWITCH_ON_EOP(0) is always preferable. */
228 bool wd_switch_on_eop
= false;
229 bool ia_switch_on_eop
= false;
230 bool ia_switch_on_eoi
= false;
231 bool partial_vs_wave
= false;
232 bool partial_es_wave
= false;
235 primgroup_size
= 64; /* recommended with a GS */
237 if (sctx
->tes_shader
) {
238 unsigned num_cp_out
=
240 sctx
->tcs_shader
->info
.properties
[TGSI_PROPERTY_TCS_VERTICES_OUT
] :
241 info
->vertices_per_patch
;
242 unsigned max_size
= 256 / MAX2(info
->vertices_per_patch
, num_cp_out
);
244 primgroup_size
= MIN2(primgroup_size
, max_size
);
246 /* primgroup_size must be set to a multiple of NUM_PATCHES */
247 primgroup_size
= (primgroup_size
/ num_patches
) * num_patches
;
249 /* SWITCH_ON_EOI must be set if PrimID is used.
250 * If SWITCH_ON_EOI is set, PARTIAL_ES_WAVE must be set too. */
251 if ((sctx
->tcs_shader
&& sctx
->tcs_shader
->info
.uses_primid
) ||
252 sctx
->tes_shader
->info
.uses_primid
) {
253 ia_switch_on_eoi
= true;
254 partial_es_wave
= true;
257 /* Bug with tessellation and GS on Bonaire and older 2 SE chips. */
258 if ((sctx
->b
.family
== CHIP_TAHITI
||
259 sctx
->b
.family
== CHIP_PITCAIRN
||
260 sctx
->b
.family
== CHIP_BONAIRE
) &&
262 partial_vs_wave
= true;
265 /* This is a hardware requirement. */
266 if ((rs
&& rs
->line_stipple_enable
) ||
267 (sctx
->b
.screen
->debug_flags
& DBG_SWITCH_ON_EOP
)) {
268 ia_switch_on_eop
= true;
269 wd_switch_on_eop
= true;
272 if (sctx
->b
.streamout
.streamout_enabled
||
273 sctx
->b
.streamout
.prims_gen_query_enabled
)
274 partial_vs_wave
= true;
276 if (sctx
->b
.chip_class
>= CIK
) {
277 /* WD_SWITCH_ON_EOP has no effect on GPUs with less than
278 * 4 shader engines. Set 1 to pass the assertion below.
279 * The other cases are hardware requirements. */
280 if (sctx
->b
.screen
->info
.max_se
< 4 ||
281 prim
== PIPE_PRIM_POLYGON
||
282 prim
== PIPE_PRIM_LINE_LOOP
||
283 prim
== PIPE_PRIM_TRIANGLE_FAN
||
284 prim
== PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY
||
285 info
->primitive_restart
)
286 wd_switch_on_eop
= true;
288 /* Hawaii hangs if instancing is enabled and WD_SWITCH_ON_EOP is 0.
289 * We don't know that for indirect drawing, so treat it as
290 * always problematic. */
291 if (sctx
->b
.family
== CHIP_HAWAII
&&
292 (info
->indirect
|| info
->instance_count
> 1))
293 wd_switch_on_eop
= true;
295 /* USE_OPAQUE doesn't work when WD_SWITCH_ON_EOP is 0. */
296 if (info
->count_from_stream_output
)
297 wd_switch_on_eop
= true;
299 /* If the WD switch is false, the IA switch must be false too. */
300 assert(wd_switch_on_eop
|| !ia_switch_on_eop
);
303 /* Hw bug with single-primitive instances and SWITCH_ON_EOI
304 * on multi-SE chips. */
305 if (sctx
->b
.screen
->info
.max_se
>= 2 && ia_switch_on_eoi
&&
307 (info
->instance_count
> 1 &&
308 u_prims_for_vertices(info
->mode
, info
->count
) <= 1)))
309 sctx
->b
.flags
|= SI_CONTEXT_VGT_FLUSH
;
311 /* Instancing bug on 2 SE chips. */
312 if (sctx
->b
.screen
->info
.max_se
== 2 && ia_switch_on_eoi
&&
313 (info
->indirect
|| info
->instance_count
> 1))
314 partial_vs_wave
= true;
316 return S_028AA8_SWITCH_ON_EOP(ia_switch_on_eop
) |
317 S_028AA8_SWITCH_ON_EOI(ia_switch_on_eoi
) |
318 S_028AA8_PARTIAL_VS_WAVE_ON(partial_vs_wave
) |
319 S_028AA8_PARTIAL_ES_WAVE_ON(partial_es_wave
) |
320 S_028AA8_PRIMGROUP_SIZE(primgroup_size
- 1) |
321 S_028AA8_WD_SWITCH_ON_EOP(sctx
->b
.chip_class
>= CIK
? wd_switch_on_eop
: 0);
324 static unsigned si_get_ls_hs_config(struct si_context
*sctx
,
325 const struct pipe_draw_info
*info
,
326 unsigned num_patches
)
328 unsigned num_output_cp
;
330 if (!sctx
->tes_shader
)
333 num_output_cp
= sctx
->tcs_shader
?
334 sctx
->tcs_shader
->info
.properties
[TGSI_PROPERTY_TCS_VERTICES_OUT
] :
335 info
->vertices_per_patch
;
337 return S_028B58_NUM_PATCHES(num_patches
) |
338 S_028B58_HS_NUM_INPUT_CP(info
->vertices_per_patch
) |
339 S_028B58_HS_NUM_OUTPUT_CP(num_output_cp
);
342 static void si_emit_scratch_reloc(struct si_context
*sctx
)
344 struct radeon_winsys_cs
*cs
= sctx
->b
.rings
.gfx
.cs
;
346 if (!sctx
->emit_scratch_reloc
)
349 r600_write_context_reg(cs
, R_0286E8_SPI_TMPRING_SIZE
,
350 sctx
->spi_tmpring_size
);
352 if (sctx
->scratch_buffer
) {
353 r600_context_bo_reloc(&sctx
->b
, &sctx
->b
.rings
.gfx
,
354 sctx
->scratch_buffer
, RADEON_USAGE_READWRITE
,
355 RADEON_PRIO_SHADER_RESOURCE_RW
);
358 sctx
->emit_scratch_reloc
= false;
361 /* rast_prim is the primitive type after GS. */
362 static void si_emit_rasterizer_prim_state(struct si_context
*sctx
)
364 struct radeon_winsys_cs
*cs
= sctx
->b
.rings
.gfx
.cs
;
365 unsigned rast_prim
= sctx
->current_rast_prim
;
366 struct si_state_rasterizer
*rs
= sctx
->emitted
.named
.rasterizer
;
368 /* Skip this if not rendering lines. */
369 if (rast_prim
!= PIPE_PRIM_LINES
&&
370 rast_prim
!= PIPE_PRIM_LINE_LOOP
&&
371 rast_prim
!= PIPE_PRIM_LINE_STRIP
&&
372 rast_prim
!= PIPE_PRIM_LINES_ADJACENCY
&&
373 rast_prim
!= PIPE_PRIM_LINE_STRIP_ADJACENCY
)
376 if (rast_prim
== sctx
->last_rast_prim
&&
377 rs
->pa_sc_line_stipple
== sctx
->last_sc_line_stipple
)
380 r600_write_context_reg(cs
, R_028A0C_PA_SC_LINE_STIPPLE
,
381 rs
->pa_sc_line_stipple
|
382 S_028A0C_AUTO_RESET_CNTL(rast_prim
== PIPE_PRIM_LINES
? 1 :
383 rast_prim
== PIPE_PRIM_LINE_STRIP
? 2 : 0));
385 sctx
->last_rast_prim
= rast_prim
;
386 sctx
->last_sc_line_stipple
= rs
->pa_sc_line_stipple
;
389 static void si_emit_draw_registers(struct si_context
*sctx
,
390 const struct pipe_draw_info
*info
)
392 struct radeon_winsys_cs
*cs
= sctx
->b
.rings
.gfx
.cs
;
393 unsigned prim
= si_conv_pipe_prim(info
->mode
);
394 unsigned gs_out_prim
= si_conv_prim_to_gs_out(sctx
->current_rast_prim
);
395 unsigned ia_multi_vgt_param
, ls_hs_config
, num_patches
= 0;
397 if (sctx
->tes_shader
)
398 si_emit_derived_tess_state(sctx
, info
, &num_patches
);
400 ia_multi_vgt_param
= si_get_ia_multi_vgt_param(sctx
, info
, num_patches
);
401 ls_hs_config
= si_get_ls_hs_config(sctx
, info
, num_patches
);
404 if (prim
!= sctx
->last_prim
||
405 ia_multi_vgt_param
!= sctx
->last_multi_vgt_param
||
406 ls_hs_config
!= sctx
->last_ls_hs_config
) {
407 if (sctx
->b
.chip_class
>= CIK
) {
408 radeon_emit(cs
, PKT3(PKT3_DRAW_PREAMBLE
, 2, 0));
409 radeon_emit(cs
, prim
); /* VGT_PRIMITIVE_TYPE */
410 radeon_emit(cs
, ia_multi_vgt_param
); /* IA_MULTI_VGT_PARAM */
411 radeon_emit(cs
, ls_hs_config
); /* VGT_LS_HS_CONFIG */
413 r600_write_config_reg(cs
, R_008958_VGT_PRIMITIVE_TYPE
, prim
);
414 r600_write_context_reg(cs
, R_028AA8_IA_MULTI_VGT_PARAM
, ia_multi_vgt_param
);
415 r600_write_context_reg(cs
, R_028B58_VGT_LS_HS_CONFIG
, ls_hs_config
);
417 sctx
->last_prim
= prim
;
418 sctx
->last_multi_vgt_param
= ia_multi_vgt_param
;
419 sctx
->last_ls_hs_config
= ls_hs_config
;
422 if (gs_out_prim
!= sctx
->last_gs_out_prim
) {
423 r600_write_context_reg(cs
, R_028A6C_VGT_GS_OUT_PRIM_TYPE
, gs_out_prim
);
424 sctx
->last_gs_out_prim
= gs_out_prim
;
427 /* Primitive restart. */
428 if (info
->primitive_restart
!= sctx
->last_primitive_restart_en
) {
429 r600_write_context_reg(cs
, R_028A94_VGT_MULTI_PRIM_IB_RESET_EN
, info
->primitive_restart
);
430 sctx
->last_primitive_restart_en
= info
->primitive_restart
;
432 if (info
->primitive_restart
&&
433 (info
->restart_index
!= sctx
->last_restart_index
||
434 sctx
->last_restart_index
== SI_RESTART_INDEX_UNKNOWN
)) {
435 r600_write_context_reg(cs
, R_02840C_VGT_MULTI_PRIM_IB_RESET_INDX
,
436 info
->restart_index
);
437 sctx
->last_restart_index
= info
->restart_index
;
442 static void si_emit_draw_packets(struct si_context
*sctx
,
443 const struct pipe_draw_info
*info
,
444 const struct pipe_index_buffer
*ib
)
446 struct radeon_winsys_cs
*cs
= sctx
->b
.rings
.gfx
.cs
;
447 unsigned sh_base_reg
= sctx
->shader_userdata
.sh_base
[PIPE_SHADER_VERTEX
];
449 if (info
->count_from_stream_output
) {
450 struct r600_so_target
*t
=
451 (struct r600_so_target
*)info
->count_from_stream_output
;
452 uint64_t va
= t
->buf_filled_size
->gpu_address
+
453 t
->buf_filled_size_offset
;
455 r600_write_context_reg(cs
, R_028B30_VGT_STRMOUT_DRAW_OPAQUE_VERTEX_STRIDE
,
458 radeon_emit(cs
, PKT3(PKT3_COPY_DATA
, 4, 0));
459 radeon_emit(cs
, COPY_DATA_SRC_SEL(COPY_DATA_MEM
) |
460 COPY_DATA_DST_SEL(COPY_DATA_REG
) |
461 COPY_DATA_WR_CONFIRM
);
462 radeon_emit(cs
, va
); /* src address lo */
463 radeon_emit(cs
, va
>> 32); /* src address hi */
464 radeon_emit(cs
, R_028B2C_VGT_STRMOUT_DRAW_OPAQUE_BUFFER_FILLED_SIZE
>> 2);
465 radeon_emit(cs
, 0); /* unused */
467 r600_context_bo_reloc(&sctx
->b
, &sctx
->b
.rings
.gfx
,
468 t
->buf_filled_size
, RADEON_USAGE_READ
,
474 radeon_emit(cs
, PKT3(PKT3_INDEX_TYPE
, 0, 0));
476 if (ib
->index_size
== 4) {
477 radeon_emit(cs
, V_028A7C_VGT_INDEX_32
| (SI_BIG_ENDIAN
?
478 V_028A7C_VGT_DMA_SWAP_32_BIT
: 0));
480 radeon_emit(cs
, V_028A7C_VGT_INDEX_16
| (SI_BIG_ENDIAN
?
481 V_028A7C_VGT_DMA_SWAP_16_BIT
: 0));
485 if (!info
->indirect
) {
488 radeon_emit(cs
, PKT3(PKT3_NUM_INSTANCES
, 0, 0));
489 radeon_emit(cs
, info
->instance_count
);
491 /* Base vertex and start instance. */
492 base_vertex
= info
->indexed
? info
->index_bias
: info
->start
;
494 if (base_vertex
!= sctx
->last_base_vertex
||
495 sctx
->last_base_vertex
== SI_BASE_VERTEX_UNKNOWN
||
496 info
->start_instance
!= sctx
->last_start_instance
||
497 sh_base_reg
!= sctx
->last_sh_base_reg
) {
498 si_write_sh_reg_seq(cs
, sh_base_reg
+ SI_SGPR_BASE_VERTEX
* 4, 2);
499 radeon_emit(cs
, base_vertex
);
500 radeon_emit(cs
, info
->start_instance
);
502 sctx
->last_base_vertex
= base_vertex
;
503 sctx
->last_start_instance
= info
->start_instance
;
504 sctx
->last_sh_base_reg
= sh_base_reg
;
507 si_invalidate_draw_sh_constants(sctx
);
509 r600_context_bo_reloc(&sctx
->b
, &sctx
->b
.rings
.gfx
,
510 (struct r600_resource
*)info
->indirect
,
511 RADEON_USAGE_READ
, RADEON_PRIO_MIN
);
515 uint32_t index_max_size
= (ib
->buffer
->width0
- ib
->offset
) /
517 uint64_t index_va
= r600_resource(ib
->buffer
)->gpu_address
+ ib
->offset
;
519 r600_context_bo_reloc(&sctx
->b
, &sctx
->b
.rings
.gfx
,
520 (struct r600_resource
*)ib
->buffer
,
521 RADEON_USAGE_READ
, RADEON_PRIO_MIN
);
523 if (info
->indirect
) {
524 uint64_t indirect_va
= r600_resource(info
->indirect
)->gpu_address
;
526 assert(indirect_va
% 8 == 0);
527 assert(index_va
% 2 == 0);
528 assert(info
->indirect_offset
% 4 == 0);
530 radeon_emit(cs
, PKT3(PKT3_SET_BASE
, 2, 0));
532 radeon_emit(cs
, indirect_va
);
533 radeon_emit(cs
, indirect_va
>> 32);
535 radeon_emit(cs
, PKT3(PKT3_INDEX_BASE
, 1, 0));
536 radeon_emit(cs
, index_va
);
537 radeon_emit(cs
, index_va
>> 32);
539 radeon_emit(cs
, PKT3(PKT3_INDEX_BUFFER_SIZE
, 0, 0));
540 radeon_emit(cs
, index_max_size
);
542 radeon_emit(cs
, PKT3(PKT3_DRAW_INDEX_INDIRECT
, 3, sctx
->b
.predicate_drawing
));
543 radeon_emit(cs
, info
->indirect_offset
);
544 radeon_emit(cs
, (sh_base_reg
+ SI_SGPR_BASE_VERTEX
* 4 - SI_SH_REG_OFFSET
) >> 2);
545 radeon_emit(cs
, (sh_base_reg
+ SI_SGPR_START_INSTANCE
* 4 - SI_SH_REG_OFFSET
) >> 2);
546 radeon_emit(cs
, V_0287F0_DI_SRC_SEL_DMA
);
548 index_va
+= info
->start
* ib
->index_size
;
550 radeon_emit(cs
, PKT3(PKT3_DRAW_INDEX_2
, 4, sctx
->b
.predicate_drawing
));
551 radeon_emit(cs
, index_max_size
);
552 radeon_emit(cs
, index_va
);
553 radeon_emit(cs
, (index_va
>> 32UL) & 0xFF);
554 radeon_emit(cs
, info
->count
);
555 radeon_emit(cs
, V_0287F0_DI_SRC_SEL_DMA
);
558 if (info
->indirect
) {
559 uint64_t indirect_va
= r600_resource(info
->indirect
)->gpu_address
;
561 assert(indirect_va
% 8 == 0);
562 assert(info
->indirect_offset
% 4 == 0);
564 radeon_emit(cs
, PKT3(PKT3_SET_BASE
, 2, 0));
566 radeon_emit(cs
, indirect_va
);
567 radeon_emit(cs
, indirect_va
>> 32);
569 radeon_emit(cs
, PKT3(PKT3_DRAW_INDIRECT
, 3, sctx
->b
.predicate_drawing
));
570 radeon_emit(cs
, info
->indirect_offset
);
571 radeon_emit(cs
, (sh_base_reg
+ SI_SGPR_BASE_VERTEX
* 4 - SI_SH_REG_OFFSET
) >> 2);
572 radeon_emit(cs
, (sh_base_reg
+ SI_SGPR_START_INSTANCE
* 4 - SI_SH_REG_OFFSET
) >> 2);
573 radeon_emit(cs
, V_0287F0_DI_SRC_SEL_AUTO_INDEX
);
575 radeon_emit(cs
, PKT3(PKT3_DRAW_INDEX_AUTO
, 1, sctx
->b
.predicate_drawing
));
576 radeon_emit(cs
, info
->count
);
577 radeon_emit(cs
, V_0287F0_DI_SRC_SEL_AUTO_INDEX
|
578 S_0287F0_USE_OPAQUE(!!info
->count_from_stream_output
));
583 #define BOTH_ICACHE_KCACHE (SI_CONTEXT_INV_ICACHE | SI_CONTEXT_INV_KCACHE)
585 void si_emit_cache_flush(struct r600_common_context
*sctx
, struct r600_atom
*atom
)
587 struct radeon_winsys_cs
*cs
= sctx
->rings
.gfx
.cs
;
588 uint32_t cp_coher_cntl
= 0;
590 PKT3_SHADER_TYPE_S(!!(sctx
->flags
& SI_CONTEXT_FLAG_COMPUTE
));
592 /* SI has a bug that it always flushes ICACHE and KCACHE if either
593 * bit is set. An alternative way is to write SQC_CACHES, but that
594 * doesn't seem to work reliably. Since the bug doesn't affect
595 * correctness (it only does more work than necessary) and
596 * the performance impact is likely negligible, there is no plan
600 if (sctx
->flags
& SI_CONTEXT_INV_ICACHE
)
601 cp_coher_cntl
|= S_0085F0_SH_ICACHE_ACTION_ENA(1);
602 if (sctx
->flags
& SI_CONTEXT_INV_KCACHE
)
603 cp_coher_cntl
|= S_0085F0_SH_KCACHE_ACTION_ENA(1);
605 if (sctx
->flags
& SI_CONTEXT_INV_TC_L1
)
606 cp_coher_cntl
|= S_0085F0_TCL1_ACTION_ENA(1);
607 if (sctx
->flags
& SI_CONTEXT_INV_TC_L2
)
608 cp_coher_cntl
|= S_0085F0_TC_ACTION_ENA(1);
610 if (sctx
->flags
& SI_CONTEXT_FLUSH_AND_INV_CB
) {
611 cp_coher_cntl
|= S_0085F0_CB_ACTION_ENA(1) |
612 S_0085F0_CB0_DEST_BASE_ENA(1) |
613 S_0085F0_CB1_DEST_BASE_ENA(1) |
614 S_0085F0_CB2_DEST_BASE_ENA(1) |
615 S_0085F0_CB3_DEST_BASE_ENA(1) |
616 S_0085F0_CB4_DEST_BASE_ENA(1) |
617 S_0085F0_CB5_DEST_BASE_ENA(1) |
618 S_0085F0_CB6_DEST_BASE_ENA(1) |
619 S_0085F0_CB7_DEST_BASE_ENA(1);
621 if (sctx
->flags
& SI_CONTEXT_FLUSH_AND_INV_DB
) {
622 cp_coher_cntl
|= S_0085F0_DB_ACTION_ENA(1) |
623 S_0085F0_DB_DEST_BASE_ENA(1);
626 if (sctx
->flags
& SI_CONTEXT_FLUSH_AND_INV_CB_META
) {
627 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0) | compute
);
628 radeon_emit(cs
, EVENT_TYPE(V_028A90_FLUSH_AND_INV_CB_META
) | EVENT_INDEX(0));
630 if (sctx
->flags
& SI_CONTEXT_FLUSH_AND_INV_DB_META
) {
631 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0) | compute
);
632 radeon_emit(cs
, EVENT_TYPE(V_028A90_FLUSH_AND_INV_DB_META
) | EVENT_INDEX(0));
634 if (sctx
->flags
& SI_CONTEXT_FLUSH_WITH_INV_L2
) {
635 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0) | compute
);
636 radeon_emit(cs
, EVENT_TYPE(EVENT_TYPE_CACHE_FLUSH
) | EVENT_INDEX(7) |
640 /* FLUSH_AND_INV events must be emitted before PS_PARTIAL_FLUSH.
641 * Otherwise, clearing CMASK (CB meta) with CP DMA isn't reliable.
643 * I think the reason is that FLUSH_AND_INV is only added to a queue
644 * and it is PS_PARTIAL_FLUSH that waits for it to complete.
646 if (sctx
->flags
& SI_CONTEXT_PS_PARTIAL_FLUSH
) {
647 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0) | compute
);
648 radeon_emit(cs
, EVENT_TYPE(V_028A90_PS_PARTIAL_FLUSH
) | EVENT_INDEX(4));
649 } else if (sctx
->flags
& SI_CONTEXT_VS_PARTIAL_FLUSH
) {
650 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0) | compute
);
651 radeon_emit(cs
, EVENT_TYPE(V_028A90_VS_PARTIAL_FLUSH
) | EVENT_INDEX(4));
653 if (sctx
->flags
& SI_CONTEXT_CS_PARTIAL_FLUSH
) {
654 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0) | compute
);
655 radeon_emit(cs
, EVENT_TYPE(V_028A90_CS_PARTIAL_FLUSH
| EVENT_INDEX(4)));
657 if (sctx
->flags
& SI_CONTEXT_VGT_FLUSH
) {
658 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0) | compute
);
659 radeon_emit(cs
, EVENT_TYPE(V_028A90_VGT_FLUSH
) | EVENT_INDEX(0));
661 if (sctx
->flags
& SI_CONTEXT_VGT_STREAMOUT_SYNC
) {
662 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0) | compute
);
663 radeon_emit(cs
, EVENT_TYPE(V_028A90_VGT_STREAMOUT_SYNC
) | EVENT_INDEX(0));
666 /* SURFACE_SYNC must be emitted after partial flushes.
667 * It looks like SURFACE_SYNC flushes caches immediately and doesn't
668 * wait for any engines. This should be last.
671 if (sctx
->chip_class
>= CIK
) {
672 radeon_emit(cs
, PKT3(PKT3_ACQUIRE_MEM
, 5, 0) | compute
);
673 radeon_emit(cs
, cp_coher_cntl
); /* CP_COHER_CNTL */
674 radeon_emit(cs
, 0xffffffff); /* CP_COHER_SIZE */
675 radeon_emit(cs
, 0xff); /* CP_COHER_SIZE_HI */
676 radeon_emit(cs
, 0); /* CP_COHER_BASE */
677 radeon_emit(cs
, 0); /* CP_COHER_BASE_HI */
678 radeon_emit(cs
, 0x0000000A); /* POLL_INTERVAL */
680 radeon_emit(cs
, PKT3(PKT3_SURFACE_SYNC
, 3, 0) | compute
);
681 radeon_emit(cs
, cp_coher_cntl
); /* CP_COHER_CNTL */
682 radeon_emit(cs
, 0xffffffff); /* CP_COHER_SIZE */
683 radeon_emit(cs
, 0); /* CP_COHER_BASE */
684 radeon_emit(cs
, 0x0000000A); /* POLL_INTERVAL */
691 const struct r600_atom si_atom_cache_flush
= { si_emit_cache_flush
, 24 }; /* number of CS dwords */
693 static void si_get_draw_start_count(struct si_context
*sctx
,
694 const struct pipe_draw_info
*info
,
695 unsigned *start
, unsigned *count
)
697 if (info
->indirect
) {
698 struct r600_resource
*indirect
=
699 (struct r600_resource
*)info
->indirect
;
700 int *data
= r600_buffer_map_sync_with_rings(&sctx
->b
,
701 indirect
, PIPE_TRANSFER_READ
);
702 data
+= info
->indirect_offset
/sizeof(int);
706 *start
= info
->start
;
707 *count
= info
->count
;
711 void si_draw_vbo(struct pipe_context
*ctx
, const struct pipe_draw_info
*info
)
713 struct si_context
*sctx
= (struct si_context
*)ctx
;
714 struct pipe_index_buffer ib
= {};
717 if (!info
->count
&& !info
->indirect
&&
718 (info
->indexed
|| !info
->count_from_stream_output
))
721 if (!sctx
->ps_shader
|| !sctx
->vs_shader
) {
725 if (!!sctx
->tes_shader
!= (info
->mode
== PIPE_PRIM_PATCHES
)) {
730 si_decompress_textures(sctx
);
732 /* Set the rasterization primitive type.
734 * This must be done after si_decompress_textures, which can call
735 * draw_vbo recursively, and before si_update_shaders, which uses
736 * current_rast_prim for this draw_vbo call. */
738 sctx
->current_rast_prim
= sctx
->gs_shader
->gs_output_prim
;
739 else if (sctx
->tes_shader
)
740 sctx
->current_rast_prim
=
741 sctx
->tes_shader
->info
.properties
[TGSI_PROPERTY_TES_PRIM_MODE
];
743 sctx
->current_rast_prim
= info
->mode
;
745 si_update_shaders(sctx
);
746 if (!si_upload_shader_descriptors(sctx
))
750 /* Initialize the index buffer struct. */
751 pipe_resource_reference(&ib
.buffer
, sctx
->index_buffer
.buffer
);
752 ib
.user_buffer
= sctx
->index_buffer
.user_buffer
;
753 ib
.index_size
= sctx
->index_buffer
.index_size
;
754 ib
.offset
= sctx
->index_buffer
.offset
;
756 /* Translate or upload, if needed. */
757 if (ib
.index_size
== 1) {
758 struct pipe_resource
*out_buffer
= NULL
;
759 unsigned out_offset
, start
, count
, start_offset
;
762 si_get_draw_start_count(sctx
, info
, &start
, &count
);
763 start_offset
= start
* ib
.index_size
;
765 u_upload_alloc(sctx
->b
.uploader
, start_offset
, count
* 2,
766 &out_offset
, &out_buffer
, &ptr
);
768 util_shorten_ubyte_elts_to_userptr(&sctx
->b
.b
, &ib
, 0,
769 ib
.offset
+ start_offset
,
772 pipe_resource_reference(&ib
.buffer
, NULL
);
773 ib
.user_buffer
= NULL
;
774 ib
.buffer
= out_buffer
;
775 /* info->start will be added by the drawing code */
776 ib
.offset
= out_offset
- start_offset
;
778 } else if (ib
.user_buffer
&& !ib
.buffer
) {
779 unsigned start
, count
, start_offset
;
781 si_get_draw_start_count(sctx
, info
, &start
, &count
);
782 start_offset
= start
* ib
.index_size
;
784 u_upload_data(sctx
->b
.uploader
, start_offset
, count
* ib
.index_size
,
785 (char*)ib
.user_buffer
+ start_offset
,
786 &ib
.offset
, &ib
.buffer
);
787 /* info->start will be added by the drawing code */
788 ib
.offset
-= start_offset
;
792 if (info
->indexed
&& r600_resource(ib
.buffer
)->TC_L2_dirty
) {
793 sctx
->b
.flags
|= SI_CONTEXT_INV_TC_L2
;
794 r600_resource(ib
.buffer
)->TC_L2_dirty
= false;
797 /* Check flush flags. */
799 sctx
->atoms
.s
.cache_flush
->dirty
= true;
801 si_need_cs_space(sctx
, 0, TRUE
);
804 for (i
= 0; i
< SI_NUM_ATOMS(sctx
); i
++) {
805 if (sctx
->atoms
.array
[i
]->dirty
) {
806 sctx
->atoms
.array
[i
]->emit(&sctx
->b
, sctx
->atoms
.array
[i
]);
807 sctx
->atoms
.array
[i
]->dirty
= false;
811 si_pm4_emit_dirty(sctx
);
812 si_emit_scratch_reloc(sctx
);
813 si_emit_rasterizer_prim_state(sctx
);
814 si_emit_draw_registers(sctx
, info
);
815 si_emit_draw_packets(sctx
, info
, &ib
);
818 if (sctx
->screen
->b
.trace_bo
) {
823 /* Workaround for a VGT hang when streamout is enabled.
824 * It must be done after drawing. */
825 if (sctx
->b
.family
== CHIP_HAWAII
&&
826 (sctx
->b
.streamout
.streamout_enabled
||
827 sctx
->b
.streamout
.prims_gen_query_enabled
)) {
828 sctx
->b
.flags
|= SI_CONTEXT_VGT_STREAMOUT_SYNC
;
831 /* Set the depth buffer as dirty. */
832 if (sctx
->framebuffer
.state
.zsbuf
) {
833 struct pipe_surface
*surf
= sctx
->framebuffer
.state
.zsbuf
;
834 struct r600_texture
*rtex
= (struct r600_texture
*)surf
->texture
;
836 rtex
->dirty_level_mask
|= 1 << surf
->u
.tex
.level
;
838 if (sctx
->framebuffer
.compressed_cb_mask
) {
839 struct pipe_surface
*surf
;
840 struct r600_texture
*rtex
;
841 unsigned mask
= sctx
->framebuffer
.compressed_cb_mask
;
844 unsigned i
= u_bit_scan(&mask
);
845 surf
= sctx
->framebuffer
.state
.cbufs
[i
];
846 rtex
= (struct r600_texture
*)surf
->texture
;
848 rtex
->dirty_level_mask
|= 1 << surf
->u
.tex
.level
;
852 pipe_resource_reference(&ib
.buffer
, NULL
);
853 sctx
->b
.num_draw_calls
++;
857 void si_trace_emit(struct si_context
*sctx
)
859 struct si_screen
*sscreen
= sctx
->screen
;
860 struct radeon_winsys_cs
*cs
= sctx
->b
.rings
.gfx
.cs
;
863 va
= sscreen
->b
.trace_bo
->gpu_address
;
864 r600_context_bo_reloc(&sctx
->b
, &sctx
->b
.rings
.gfx
, sscreen
->b
.trace_bo
,
865 RADEON_USAGE_READWRITE
, RADEON_PRIO_MIN
);
866 radeon_emit(cs
, PKT3(PKT3_WRITE_DATA
, 4, 0));
867 radeon_emit(cs
, PKT3_WRITE_DATA_DST_SEL(PKT3_WRITE_DATA_DST_SEL_MEM_SYNC
) |
868 PKT3_WRITE_DATA_WR_CONFIRM
|
869 PKT3_WRITE_DATA_ENGINE_SEL(PKT3_WRITE_DATA_ENGINE_SEL_ME
));
870 radeon_emit(cs
, va
& 0xFFFFFFFFUL
);
871 radeon_emit(cs
, (va
>> 32UL) & 0xFFFFFFFFUL
);
872 radeon_emit(cs
, cs
->cdw
);
873 radeon_emit(cs
, sscreen
->b
.cs_count
);