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[mesa.git] / src / gallium / drivers / radeonsi / si_state_draw.c
1 /*
2 * Copyright 2012 Advanced Micro Devices, Inc.
3 *
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:
10 *
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
13 * Software.
14 *
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.
22 *
23 * Authors:
24 * Christian König <christian.koenig@amd.com>
25 */
26
27 #include "si_pipe.h"
28 #include "si_shader.h"
29 #include "radeon/r600_cs.h"
30 #include "sid.h"
31
32 #include "util/u_format.h"
33 #include "util/u_index_modify.h"
34 #include "util/u_memory.h"
35 #include "util/u_prim.h"
36 #include "util/u_upload_mgr.h"
37
38 /*
39 * Shaders
40 */
41
42 static void si_shader_es(struct pipe_context *ctx, struct si_shader *shader)
43 {
44 struct si_context *sctx = (struct si_context *)ctx;
45 struct si_pm4_state *pm4;
46 unsigned num_sgprs, num_user_sgprs;
47 unsigned vgpr_comp_cnt;
48 uint64_t va;
49
50 si_pm4_delete_state(sctx, es, shader->pm4);
51 pm4 = shader->pm4 = si_pm4_alloc_state(sctx);
52
53 if (pm4 == NULL)
54 return;
55
56 va = shader->bo->gpu_address;
57 si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ, RADEON_PRIO_SHADER_DATA);
58
59 vgpr_comp_cnt = shader->uses_instanceid ? 3 : 0;
60
61 num_user_sgprs = SI_VS_NUM_USER_SGPR;
62 num_sgprs = shader->num_sgprs;
63 /* One SGPR after user SGPRs is pre-loaded with es2gs_offset */
64 if ((num_user_sgprs + 1) > num_sgprs) {
65 /* Last 2 reserved SGPRs are used for VCC */
66 num_sgprs = num_user_sgprs + 1 + 2;
67 }
68 assert(num_sgprs <= 104);
69
70 si_pm4_set_reg(pm4, R_00B320_SPI_SHADER_PGM_LO_ES, va >> 8);
71 si_pm4_set_reg(pm4, R_00B324_SPI_SHADER_PGM_HI_ES, va >> 40);
72 si_pm4_set_reg(pm4, R_00B328_SPI_SHADER_PGM_RSRC1_ES,
73 S_00B328_VGPRS((shader->num_vgprs - 1) / 4) |
74 S_00B328_SGPRS((num_sgprs - 1) / 8) |
75 S_00B328_VGPR_COMP_CNT(vgpr_comp_cnt));
76 si_pm4_set_reg(pm4, R_00B32C_SPI_SHADER_PGM_RSRC2_ES,
77 S_00B32C_USER_SGPR(num_user_sgprs));
78
79 sctx->b.flags |= R600_CONTEXT_INV_SHADER_CACHE;
80 }
81
82 static void si_shader_gs(struct pipe_context *ctx, struct si_shader *shader)
83 {
84 struct si_context *sctx = (struct si_context *)ctx;
85 unsigned gs_vert_itemsize = shader->noutput * (16 >> 2);
86 unsigned gs_max_vert_out = shader->gs_max_out_vertices;
87 unsigned gsvs_itemsize = gs_vert_itemsize * gs_max_vert_out;
88 unsigned cut_mode;
89 struct si_pm4_state *pm4;
90 unsigned num_sgprs, num_user_sgprs;
91 uint64_t va;
92
93 /* The GSVS_RING_ITEMSIZE register takes 15 bits */
94 assert(gsvs_itemsize < (1 << 15));
95
96 si_pm4_delete_state(sctx, gs, shader->pm4);
97 pm4 = shader->pm4 = si_pm4_alloc_state(sctx);
98
99 if (pm4 == NULL)
100 return;
101
102 if (gs_max_vert_out <= 128) {
103 cut_mode = V_028A40_GS_CUT_128;
104 } else if (gs_max_vert_out <= 256) {
105 cut_mode = V_028A40_GS_CUT_256;
106 } else if (gs_max_vert_out <= 512) {
107 cut_mode = V_028A40_GS_CUT_512;
108 } else {
109 assert(gs_max_vert_out <= 1024);
110 cut_mode = V_028A40_GS_CUT_1024;
111 }
112
113 si_pm4_set_reg(pm4, R_028A40_VGT_GS_MODE,
114 S_028A40_MODE(V_028A40_GS_SCENARIO_G) |
115 S_028A40_CUT_MODE(cut_mode)|
116 S_028A40_ES_WRITE_OPTIMIZE(1) |
117 S_028A40_GS_WRITE_OPTIMIZE(1));
118
119 si_pm4_set_reg(pm4, R_028A60_VGT_GSVS_RING_OFFSET_1, gsvs_itemsize);
120 si_pm4_set_reg(pm4, R_028A64_VGT_GSVS_RING_OFFSET_2, gsvs_itemsize);
121 si_pm4_set_reg(pm4, R_028A68_VGT_GSVS_RING_OFFSET_3, gsvs_itemsize);
122
123 si_pm4_set_reg(pm4, R_028AAC_VGT_ESGS_RING_ITEMSIZE,
124 shader->nparam * (16 >> 2));
125 si_pm4_set_reg(pm4, R_028AB0_VGT_GSVS_RING_ITEMSIZE, gsvs_itemsize);
126
127 si_pm4_set_reg(pm4, R_028B38_VGT_GS_MAX_VERT_OUT, gs_max_vert_out);
128
129 si_pm4_set_reg(pm4, R_028B5C_VGT_GS_VERT_ITEMSIZE, gs_vert_itemsize);
130
131 va = shader->bo->gpu_address;
132 si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ, RADEON_PRIO_SHADER_DATA);
133 si_pm4_set_reg(pm4, R_00B220_SPI_SHADER_PGM_LO_GS, va >> 8);
134 si_pm4_set_reg(pm4, R_00B224_SPI_SHADER_PGM_HI_GS, va >> 40);
135
136 num_user_sgprs = SI_GS_NUM_USER_SGPR;
137 num_sgprs = shader->num_sgprs;
138 /* Two SGPRs after user SGPRs are pre-loaded with gs2vs_offset, gs_wave_id */
139 if ((num_user_sgprs + 2) > num_sgprs) {
140 /* Last 2 reserved SGPRs are used for VCC */
141 num_sgprs = num_user_sgprs + 2 + 2;
142 }
143 assert(num_sgprs <= 104);
144
145 si_pm4_set_reg(pm4, R_00B228_SPI_SHADER_PGM_RSRC1_GS,
146 S_00B228_VGPRS((shader->num_vgprs - 1) / 4) |
147 S_00B228_SGPRS((num_sgprs - 1) / 8));
148 si_pm4_set_reg(pm4, R_00B22C_SPI_SHADER_PGM_RSRC2_GS,
149 S_00B22C_USER_SGPR(num_user_sgprs));
150
151 sctx->b.flags |= R600_CONTEXT_INV_SHADER_CACHE;
152 }
153
154 static void si_shader_vs(struct pipe_context *ctx, struct si_shader *shader)
155 {
156 struct si_context *sctx = (struct si_context *)ctx;
157 struct si_pm4_state *pm4;
158 unsigned num_sgprs, num_user_sgprs;
159 unsigned nparams, i, vgpr_comp_cnt;
160 uint64_t va;
161
162 si_pm4_delete_state(sctx, vs, shader->pm4);
163 pm4 = shader->pm4 = si_pm4_alloc_state(sctx);
164
165 if (pm4 == NULL)
166 return;
167
168 va = shader->bo->gpu_address;
169 si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ, RADEON_PRIO_SHADER_DATA);
170
171 vgpr_comp_cnt = shader->uses_instanceid ? 3 : 0;
172
173 num_user_sgprs = SI_VS_NUM_USER_SGPR;
174 num_sgprs = shader->num_sgprs;
175 if (num_user_sgprs > num_sgprs) {
176 /* Last 2 reserved SGPRs are used for VCC */
177 num_sgprs = num_user_sgprs + 2;
178 }
179 assert(num_sgprs <= 104);
180
181 /* Certain attributes (position, psize, etc.) don't count as params.
182 * VS is required to export at least one param and r600_shader_from_tgsi()
183 * takes care of adding a dummy export.
184 */
185 for (nparams = 0, i = 0 ; i < shader->noutput; i++) {
186 switch (shader->output[i].name) {
187 case TGSI_SEMANTIC_CLIPVERTEX:
188 case TGSI_SEMANTIC_POSITION:
189 case TGSI_SEMANTIC_PSIZE:
190 break;
191 default:
192 nparams++;
193 }
194 }
195 if (nparams < 1)
196 nparams = 1;
197
198 si_pm4_set_reg(pm4, R_0286C4_SPI_VS_OUT_CONFIG,
199 S_0286C4_VS_EXPORT_COUNT(nparams - 1));
200
201 si_pm4_set_reg(pm4, R_02870C_SPI_SHADER_POS_FORMAT,
202 S_02870C_POS0_EXPORT_FORMAT(V_02870C_SPI_SHADER_4COMP) |
203 S_02870C_POS1_EXPORT_FORMAT(shader->nr_pos_exports > 1 ?
204 V_02870C_SPI_SHADER_4COMP :
205 V_02870C_SPI_SHADER_NONE) |
206 S_02870C_POS2_EXPORT_FORMAT(shader->nr_pos_exports > 2 ?
207 V_02870C_SPI_SHADER_4COMP :
208 V_02870C_SPI_SHADER_NONE) |
209 S_02870C_POS3_EXPORT_FORMAT(shader->nr_pos_exports > 3 ?
210 V_02870C_SPI_SHADER_4COMP :
211 V_02870C_SPI_SHADER_NONE));
212
213 si_pm4_set_reg(pm4, R_00B120_SPI_SHADER_PGM_LO_VS, va >> 8);
214 si_pm4_set_reg(pm4, R_00B124_SPI_SHADER_PGM_HI_VS, va >> 40);
215 si_pm4_set_reg(pm4, R_00B128_SPI_SHADER_PGM_RSRC1_VS,
216 S_00B128_VGPRS((shader->num_vgprs - 1) / 4) |
217 S_00B128_SGPRS((num_sgprs - 1) / 8) |
218 S_00B128_VGPR_COMP_CNT(vgpr_comp_cnt));
219 si_pm4_set_reg(pm4, R_00B12C_SPI_SHADER_PGM_RSRC2_VS,
220 S_00B12C_USER_SGPR(num_user_sgprs) |
221 S_00B12C_SO_BASE0_EN(!!shader->selector->so.stride[0]) |
222 S_00B12C_SO_BASE1_EN(!!shader->selector->so.stride[1]) |
223 S_00B12C_SO_BASE2_EN(!!shader->selector->so.stride[2]) |
224 S_00B12C_SO_BASE3_EN(!!shader->selector->so.stride[3]) |
225 S_00B12C_SO_EN(!!shader->selector->so.num_outputs));
226
227 sctx->b.flags |= R600_CONTEXT_INV_SHADER_CACHE;
228 }
229
230 static void si_shader_ps(struct pipe_context *ctx, struct si_shader *shader)
231 {
232 struct si_context *sctx = (struct si_context *)ctx;
233 struct si_pm4_state *pm4;
234 unsigned i, spi_ps_in_control;
235 unsigned num_sgprs, num_user_sgprs;
236 unsigned spi_baryc_cntl = 0, spi_ps_input_ena;
237 uint64_t va;
238
239 si_pm4_delete_state(sctx, ps, shader->pm4);
240 pm4 = shader->pm4 = si_pm4_alloc_state(sctx);
241
242 if (pm4 == NULL)
243 return;
244
245 for (i = 0; i < shader->ninput; i++) {
246 switch (shader->input[i].name) {
247 case TGSI_SEMANTIC_POSITION:
248 if (shader->input[i].centroid) {
249 /* SPI_BARYC_CNTL.POS_FLOAT_LOCATION
250 * Possible vaules:
251 * 0 -> Position = pixel center (default)
252 * 1 -> Position = pixel centroid
253 * 2 -> Position = iterated sample number XXX:
254 * What does this mean?
255 */
256 spi_baryc_cntl |= S_0286E0_POS_FLOAT_LOCATION(1);
257 }
258 /* Fall through */
259 case TGSI_SEMANTIC_FACE:
260 continue;
261 }
262 }
263
264 spi_ps_in_control = S_0286D8_NUM_INTERP(shader->nparam) |
265 S_0286D8_BC_OPTIMIZE_DISABLE(1);
266
267 si_pm4_set_reg(pm4, R_0286E0_SPI_BARYC_CNTL, spi_baryc_cntl);
268 spi_ps_input_ena = shader->spi_ps_input_ena;
269 /* we need to enable at least one of them, otherwise we hang the GPU */
270 assert(G_0286CC_PERSP_SAMPLE_ENA(spi_ps_input_ena) ||
271 G_0286CC_PERSP_CENTER_ENA(spi_ps_input_ena) ||
272 G_0286CC_PERSP_CENTROID_ENA(spi_ps_input_ena) ||
273 G_0286CC_PERSP_PULL_MODEL_ENA(spi_ps_input_ena) ||
274 G_0286CC_LINEAR_SAMPLE_ENA(spi_ps_input_ena) ||
275 G_0286CC_LINEAR_CENTER_ENA(spi_ps_input_ena) ||
276 G_0286CC_LINEAR_CENTROID_ENA(spi_ps_input_ena) ||
277 G_0286CC_LINE_STIPPLE_TEX_ENA(spi_ps_input_ena));
278
279 si_pm4_set_reg(pm4, R_0286CC_SPI_PS_INPUT_ENA, spi_ps_input_ena);
280 si_pm4_set_reg(pm4, R_0286D0_SPI_PS_INPUT_ADDR, spi_ps_input_ena);
281 si_pm4_set_reg(pm4, R_0286D8_SPI_PS_IN_CONTROL, spi_ps_in_control);
282
283 si_pm4_set_reg(pm4, R_028710_SPI_SHADER_Z_FORMAT, shader->spi_shader_z_format);
284 si_pm4_set_reg(pm4, R_028714_SPI_SHADER_COL_FORMAT,
285 shader->spi_shader_col_format);
286 si_pm4_set_reg(pm4, R_02823C_CB_SHADER_MASK, shader->cb_shader_mask);
287
288 va = shader->bo->gpu_address;
289 si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ, RADEON_PRIO_SHADER_DATA);
290 si_pm4_set_reg(pm4, R_00B020_SPI_SHADER_PGM_LO_PS, va >> 8);
291 si_pm4_set_reg(pm4, R_00B024_SPI_SHADER_PGM_HI_PS, va >> 40);
292
293 num_user_sgprs = SI_PS_NUM_USER_SGPR;
294 num_sgprs = shader->num_sgprs;
295 /* One SGPR after user SGPRs is pre-loaded with {prim_mask, lds_offset} */
296 if ((num_user_sgprs + 1) > num_sgprs) {
297 /* Last 2 reserved SGPRs are used for VCC */
298 num_sgprs = num_user_sgprs + 1 + 2;
299 }
300 assert(num_sgprs <= 104);
301
302 si_pm4_set_reg(pm4, R_00B028_SPI_SHADER_PGM_RSRC1_PS,
303 S_00B028_VGPRS((shader->num_vgprs - 1) / 4) |
304 S_00B028_SGPRS((num_sgprs - 1) / 8));
305 si_pm4_set_reg(pm4, R_00B02C_SPI_SHADER_PGM_RSRC2_PS,
306 S_00B02C_EXTRA_LDS_SIZE(shader->lds_size) |
307 S_00B02C_USER_SGPR(num_user_sgprs));
308
309 sctx->b.flags |= R600_CONTEXT_INV_SHADER_CACHE;
310 }
311
312 /*
313 * Drawing
314 */
315
316 static unsigned si_conv_pipe_prim(unsigned pprim)
317 {
318 static const unsigned prim_conv[] = {
319 [PIPE_PRIM_POINTS] = V_008958_DI_PT_POINTLIST,
320 [PIPE_PRIM_LINES] = V_008958_DI_PT_LINELIST,
321 [PIPE_PRIM_LINE_LOOP] = V_008958_DI_PT_LINELOOP,
322 [PIPE_PRIM_LINE_STRIP] = V_008958_DI_PT_LINESTRIP,
323 [PIPE_PRIM_TRIANGLES] = V_008958_DI_PT_TRILIST,
324 [PIPE_PRIM_TRIANGLE_STRIP] = V_008958_DI_PT_TRISTRIP,
325 [PIPE_PRIM_TRIANGLE_FAN] = V_008958_DI_PT_TRIFAN,
326 [PIPE_PRIM_QUADS] = V_008958_DI_PT_QUADLIST,
327 [PIPE_PRIM_QUAD_STRIP] = V_008958_DI_PT_QUADSTRIP,
328 [PIPE_PRIM_POLYGON] = V_008958_DI_PT_POLYGON,
329 [PIPE_PRIM_LINES_ADJACENCY] = V_008958_DI_PT_LINELIST_ADJ,
330 [PIPE_PRIM_LINE_STRIP_ADJACENCY] = V_008958_DI_PT_LINESTRIP_ADJ,
331 [PIPE_PRIM_TRIANGLES_ADJACENCY] = V_008958_DI_PT_TRILIST_ADJ,
332 [PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY] = V_008958_DI_PT_TRISTRIP_ADJ,
333 [R600_PRIM_RECTANGLE_LIST] = V_008958_DI_PT_RECTLIST
334 };
335 unsigned result = prim_conv[pprim];
336 if (result == ~0) {
337 R600_ERR("unsupported primitive type %d\n", pprim);
338 }
339 return result;
340 }
341
342 static unsigned si_conv_prim_to_gs_out(unsigned mode)
343 {
344 static const int prim_conv[] = {
345 [PIPE_PRIM_POINTS] = V_028A6C_OUTPRIM_TYPE_POINTLIST,
346 [PIPE_PRIM_LINES] = V_028A6C_OUTPRIM_TYPE_LINESTRIP,
347 [PIPE_PRIM_LINE_LOOP] = V_028A6C_OUTPRIM_TYPE_LINESTRIP,
348 [PIPE_PRIM_LINE_STRIP] = V_028A6C_OUTPRIM_TYPE_LINESTRIP,
349 [PIPE_PRIM_TRIANGLES] = V_028A6C_OUTPRIM_TYPE_TRISTRIP,
350 [PIPE_PRIM_TRIANGLE_STRIP] = V_028A6C_OUTPRIM_TYPE_TRISTRIP,
351 [PIPE_PRIM_TRIANGLE_FAN] = V_028A6C_OUTPRIM_TYPE_TRISTRIP,
352 [PIPE_PRIM_QUADS] = V_028A6C_OUTPRIM_TYPE_TRISTRIP,
353 [PIPE_PRIM_QUAD_STRIP] = V_028A6C_OUTPRIM_TYPE_TRISTRIP,
354 [PIPE_PRIM_POLYGON] = V_028A6C_OUTPRIM_TYPE_TRISTRIP,
355 [PIPE_PRIM_LINES_ADJACENCY] = V_028A6C_OUTPRIM_TYPE_LINESTRIP,
356 [PIPE_PRIM_LINE_STRIP_ADJACENCY] = V_028A6C_OUTPRIM_TYPE_LINESTRIP,
357 [PIPE_PRIM_TRIANGLES_ADJACENCY] = V_028A6C_OUTPRIM_TYPE_TRISTRIP,
358 [PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY] = V_028A6C_OUTPRIM_TYPE_TRISTRIP,
359 [R600_PRIM_RECTANGLE_LIST] = V_028A6C_OUTPRIM_TYPE_TRISTRIP
360 };
361 assert(mode < Elements(prim_conv));
362
363 return prim_conv[mode];
364 }
365
366 static unsigned si_get_ia_multi_vgt_param(struct si_context *sctx,
367 const struct pipe_draw_info *info)
368 {
369 struct si_state_rasterizer *rs = sctx->queued.named.rasterizer;
370 unsigned prim = info->mode;
371 unsigned primgroup_size = 128; /* recommended without a GS */
372
373 /* SWITCH_ON_EOP(0) is always preferable. */
374 bool wd_switch_on_eop = false;
375 bool ia_switch_on_eop = false;
376 bool partial_vs_wave = false;
377
378 if (sctx->gs_shader)
379 primgroup_size = 64; /* recommended with a GS */
380
381 /* This is a hardware requirement. */
382 if ((rs && rs->line_stipple_enable) ||
383 (sctx->b.screen->debug_flags & DBG_SWITCH_ON_EOP)) {
384 ia_switch_on_eop = true;
385 wd_switch_on_eop = true;
386 }
387
388 if (sctx->b.streamout.streamout_enabled ||
389 sctx->b.streamout.prims_gen_query_enabled)
390 partial_vs_wave = true;
391
392 if (sctx->b.chip_class >= CIK) {
393 /* WD_SWITCH_ON_EOP has no effect on GPUs with less than
394 * 4 shader engines. Set 1 to pass the assertion below.
395 * The other cases are hardware requirements. */
396 if (sctx->b.screen->info.max_se < 4 ||
397 prim == PIPE_PRIM_POLYGON ||
398 prim == PIPE_PRIM_LINE_LOOP ||
399 prim == PIPE_PRIM_TRIANGLE_FAN ||
400 prim == PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY ||
401 info->primitive_restart)
402 wd_switch_on_eop = true;
403
404 /* Hawaii hangs if instancing is enabled and WD_SWITCH_ON_EOP is 0.
405 * We don't know that for indirect drawing, so treat it as
406 * always problematic. */
407 if (sctx->b.family == CHIP_HAWAII &&
408 (info->indirect || info->instance_count > 1))
409 wd_switch_on_eop = true;
410
411 /* If the WD switch is false, the IA switch must be false too. */
412 assert(wd_switch_on_eop || !ia_switch_on_eop);
413 }
414
415 return S_028AA8_SWITCH_ON_EOP(ia_switch_on_eop) |
416 S_028AA8_PARTIAL_VS_WAVE_ON(partial_vs_wave) |
417 S_028AA8_PRIMGROUP_SIZE(primgroup_size - 1) |
418 S_028AA8_WD_SWITCH_ON_EOP(sctx->b.chip_class >= CIK ? wd_switch_on_eop : 0);
419 }
420
421 static bool si_update_draw_info_state(struct si_context *sctx,
422 const struct pipe_draw_info *info,
423 const struct pipe_index_buffer *ib)
424 {
425 struct si_pm4_state *pm4 = si_pm4_alloc_state(sctx);
426 struct si_shader *vs = si_get_vs_state(sctx);
427 unsigned prim = si_conv_pipe_prim(info->mode);
428 unsigned gs_out_prim =
429 si_conv_prim_to_gs_out(sctx->gs_shader ?
430 sctx->gs_shader->current->gs_output_prim :
431 info->mode);
432 unsigned ls_mask = 0;
433 unsigned ia_multi_vgt_param = si_get_ia_multi_vgt_param(sctx, info);
434
435 if (pm4 == NULL)
436 return false;
437
438 if (prim == ~0) {
439 FREE(pm4);
440 return false;
441 }
442
443 if (sctx->b.chip_class >= CIK) {
444 si_pm4_set_reg(pm4, R_028B74_VGT_DISPATCH_DRAW_INDEX,
445 ib->index_size == 4 ? 0xFC000000 : 0xFC00);
446
447 si_pm4_cmd_begin(pm4, PKT3_DRAW_PREAMBLE);
448 si_pm4_cmd_add(pm4, prim); /* VGT_PRIMITIVE_TYPE */
449 si_pm4_cmd_add(pm4, ia_multi_vgt_param); /* IA_MULTI_VGT_PARAM */
450 si_pm4_cmd_add(pm4, 0); /* VGT_LS_HS_CONFIG */
451 si_pm4_cmd_end(pm4, false);
452 } else {
453 si_pm4_set_reg(pm4, R_008958_VGT_PRIMITIVE_TYPE, prim);
454 si_pm4_set_reg(pm4, R_028AA8_IA_MULTI_VGT_PARAM, ia_multi_vgt_param);
455 }
456
457 si_pm4_set_reg(pm4, R_028A6C_VGT_GS_OUT_PRIM_TYPE, gs_out_prim);
458 si_pm4_set_reg(pm4, R_02840C_VGT_MULTI_PRIM_IB_RESET_INDX, info->restart_index);
459 si_pm4_set_reg(pm4, R_028A94_VGT_MULTI_PRIM_IB_RESET_EN, info->primitive_restart);
460
461 if (prim == V_008958_DI_PT_LINELIST)
462 ls_mask = 1;
463 else if (prim == V_008958_DI_PT_LINESTRIP)
464 ls_mask = 2;
465 si_pm4_set_reg(pm4, R_028A0C_PA_SC_LINE_STIPPLE,
466 S_028A0C_AUTO_RESET_CNTL(ls_mask) |
467 sctx->pa_sc_line_stipple);
468
469 if (info->mode == PIPE_PRIM_QUADS || info->mode == PIPE_PRIM_QUAD_STRIP || info->mode == PIPE_PRIM_POLYGON) {
470 si_pm4_set_reg(pm4, R_028814_PA_SU_SC_MODE_CNTL,
471 S_028814_PROVOKING_VTX_LAST(1) | sctx->pa_su_sc_mode_cntl);
472 } else {
473 si_pm4_set_reg(pm4, R_028814_PA_SU_SC_MODE_CNTL, sctx->pa_su_sc_mode_cntl);
474 }
475 si_pm4_set_reg(pm4, R_02881C_PA_CL_VS_OUT_CNTL,
476 S_02881C_USE_VTX_POINT_SIZE(vs->vs_out_point_size) |
477 S_02881C_USE_VTX_EDGE_FLAG(vs->vs_out_edgeflag) |
478 S_02881C_USE_VTX_RENDER_TARGET_INDX(vs->vs_out_layer) |
479 S_02881C_VS_OUT_CCDIST0_VEC_ENA((vs->clip_dist_write & 0x0F) != 0) |
480 S_02881C_VS_OUT_CCDIST1_VEC_ENA((vs->clip_dist_write & 0xF0) != 0) |
481 S_02881C_VS_OUT_MISC_VEC_ENA(vs->vs_out_misc_write) |
482 (sctx->queued.named.rasterizer->clip_plane_enable &
483 vs->clip_dist_write));
484 si_pm4_set_reg(pm4, R_028810_PA_CL_CLIP_CNTL,
485 sctx->queued.named.rasterizer->pa_cl_clip_cntl |
486 (vs->clip_dist_write ? 0 :
487 sctx->queued.named.rasterizer->clip_plane_enable & 0x3F));
488
489 si_pm4_set_state(sctx, draw_info, pm4);
490 return true;
491 }
492
493 static void si_update_spi_map(struct si_context *sctx)
494 {
495 struct si_shader *ps = sctx->ps_shader->current;
496 struct si_shader *vs = si_get_vs_state(sctx);
497 struct si_pm4_state *pm4 = si_pm4_alloc_state(sctx);
498 unsigned i, j, tmp;
499
500 for (i = 0; i < ps->ninput; i++) {
501 unsigned name = ps->input[i].name;
502 unsigned param_offset = ps->input[i].param_offset;
503
504 if (name == TGSI_SEMANTIC_POSITION)
505 /* Read from preloaded VGPRs, not parameters */
506 continue;
507
508 bcolor:
509 tmp = 0;
510
511 if (ps->input[i].interpolate == TGSI_INTERPOLATE_CONSTANT ||
512 (ps->input[i].interpolate == TGSI_INTERPOLATE_COLOR &&
513 sctx->ps_shader->current->key.ps.flatshade)) {
514 tmp |= S_028644_FLAT_SHADE(1);
515 }
516
517 if (name == TGSI_SEMANTIC_GENERIC &&
518 sctx->sprite_coord_enable & (1 << ps->input[i].sid)) {
519 tmp |= S_028644_PT_SPRITE_TEX(1);
520 }
521
522 for (j = 0; j < vs->noutput; j++) {
523 if (name == vs->output[j].name &&
524 ps->input[i].sid == vs->output[j].sid) {
525 tmp |= S_028644_OFFSET(vs->output[j].param_offset);
526 break;
527 }
528 }
529
530 if (j == vs->noutput) {
531 /* No corresponding output found, load defaults into input */
532 tmp |= S_028644_OFFSET(0x20);
533 }
534
535 si_pm4_set_reg(pm4,
536 R_028644_SPI_PS_INPUT_CNTL_0 + param_offset * 4,
537 tmp);
538
539 if (name == TGSI_SEMANTIC_COLOR &&
540 sctx->ps_shader->current->key.ps.color_two_side) {
541 name = TGSI_SEMANTIC_BCOLOR;
542 param_offset++;
543 goto bcolor;
544 }
545 }
546
547 si_pm4_set_state(sctx, spi, pm4);
548 }
549
550 /* Initialize state related to ESGS / GSVS ring buffers */
551 static void si_init_gs_rings(struct si_context *sctx)
552 {
553 unsigned size = 128 * 1024;
554
555 assert(!sctx->gs_rings);
556 sctx->gs_rings = si_pm4_alloc_state(sctx);
557
558 sctx->esgs_ring.buffer =
559 pipe_buffer_create(sctx->b.b.screen, PIPE_BIND_CUSTOM,
560 PIPE_USAGE_DEFAULT, size);
561 sctx->esgs_ring.buffer_size = size;
562
563 size = 64 * 1024 * 1024;
564 sctx->gsvs_ring.buffer =
565 pipe_buffer_create(sctx->b.b.screen, PIPE_BIND_CUSTOM,
566 PIPE_USAGE_DEFAULT, size);
567 sctx->gsvs_ring.buffer_size = size;
568
569 if (sctx->b.chip_class >= CIK) {
570 si_pm4_set_reg(sctx->gs_rings, R_030900_VGT_ESGS_RING_SIZE,
571 sctx->esgs_ring.buffer_size / 256);
572 si_pm4_set_reg(sctx->gs_rings, R_030904_VGT_GSVS_RING_SIZE,
573 sctx->gsvs_ring.buffer_size / 256);
574 } else {
575 si_pm4_set_reg(sctx->gs_rings, R_0088C8_VGT_ESGS_RING_SIZE,
576 sctx->esgs_ring.buffer_size / 256);
577 si_pm4_set_reg(sctx->gs_rings, R_0088CC_VGT_GSVS_RING_SIZE,
578 sctx->gsvs_ring.buffer_size / 256);
579 }
580
581 si_set_ring_buffer(&sctx->b.b, PIPE_SHADER_VERTEX, SI_RING_ESGS,
582 &sctx->esgs_ring, 0, sctx->esgs_ring.buffer_size,
583 true, true, 4, 64);
584 si_set_ring_buffer(&sctx->b.b, PIPE_SHADER_GEOMETRY, SI_RING_ESGS,
585 &sctx->esgs_ring, 0, sctx->esgs_ring.buffer_size,
586 false, false, 0, 0);
587 si_set_ring_buffer(&sctx->b.b, PIPE_SHADER_VERTEX, SI_RING_GSVS,
588 &sctx->gsvs_ring, 0, sctx->gsvs_ring.buffer_size,
589 false, false, 0, 0);
590 }
591
592 static void si_update_derived_state(struct si_context *sctx)
593 {
594 struct pipe_context * ctx = (struct pipe_context*)sctx;
595
596 if (!sctx->blitter->running) {
597 /* Flush depth textures which need to be flushed. */
598 for (int i = 0; i < SI_NUM_SHADERS; i++) {
599 if (sctx->samplers[i].depth_texture_mask) {
600 si_flush_depth_textures(sctx, &sctx->samplers[i]);
601 }
602 if (sctx->samplers[i].compressed_colortex_mask) {
603 si_decompress_color_textures(sctx, &sctx->samplers[i]);
604 }
605 }
606 }
607
608 if (sctx->gs_shader) {
609 si_shader_select(ctx, sctx->gs_shader);
610
611 if (!sctx->gs_shader->current->pm4) {
612 si_shader_gs(ctx, sctx->gs_shader->current);
613 si_shader_vs(ctx, sctx->gs_shader->current->gs_copy_shader);
614 }
615
616 si_pm4_bind_state(sctx, gs, sctx->gs_shader->current->pm4);
617 si_pm4_bind_state(sctx, vs, sctx->gs_shader->current->gs_copy_shader->pm4);
618
619 sctx->b.streamout.stride_in_dw = sctx->gs_shader->so.stride;
620
621 si_shader_select(ctx, sctx->vs_shader);
622
623 if (!sctx->vs_shader->current->pm4)
624 si_shader_es(ctx, sctx->vs_shader->current);
625
626 si_pm4_bind_state(sctx, es, sctx->vs_shader->current->pm4);
627
628 if (!sctx->gs_rings)
629 si_init_gs_rings(sctx);
630 if (sctx->emitted.named.gs_rings != sctx->gs_rings)
631 sctx->b.flags |= R600_CONTEXT_VGT_FLUSH;
632 si_pm4_bind_state(sctx, gs_rings, sctx->gs_rings);
633
634 si_set_ring_buffer(ctx, PIPE_SHADER_GEOMETRY, SI_RING_GSVS,
635 &sctx->gsvs_ring,
636 sctx->gs_shader->current->gs_max_out_vertices *
637 sctx->gs_shader->current->noutput * 16,
638 64, true, true, 4, 16);
639
640 if (!sctx->gs_on) {
641 sctx->gs_on = si_pm4_alloc_state(sctx);
642
643 si_pm4_set_reg(sctx->gs_on, R_028B54_VGT_SHADER_STAGES_EN,
644 S_028B54_ES_EN(V_028B54_ES_STAGE_REAL) |
645 S_028B54_GS_EN(1) |
646 S_028B54_VS_EN(V_028B54_VS_STAGE_COPY_SHADER));
647 }
648 si_pm4_bind_state(sctx, gs_onoff, sctx->gs_on);
649 } else {
650 si_shader_select(ctx, sctx->vs_shader);
651
652 if (!sctx->vs_shader->current->pm4)
653 si_shader_vs(ctx, sctx->vs_shader->current);
654
655 si_pm4_bind_state(sctx, vs, sctx->vs_shader->current->pm4);
656
657 sctx->b.streamout.stride_in_dw = sctx->vs_shader->so.stride;
658
659 if (!sctx->gs_off) {
660 sctx->gs_off = si_pm4_alloc_state(sctx);
661
662 si_pm4_set_reg(sctx->gs_off, R_028A40_VGT_GS_MODE, 0);
663 si_pm4_set_reg(sctx->gs_off, R_028B54_VGT_SHADER_STAGES_EN, 0);
664 }
665 si_pm4_bind_state(sctx, gs_onoff, sctx->gs_off);
666 si_pm4_bind_state(sctx, gs_rings, NULL);
667 si_pm4_bind_state(sctx, gs, NULL);
668 si_pm4_bind_state(sctx, es, NULL);
669 }
670
671 si_shader_select(ctx, sctx->ps_shader);
672
673 if (!sctx->ps_shader->current->pm4)
674 si_shader_ps(ctx, sctx->ps_shader->current);
675
676 si_pm4_bind_state(sctx, ps, sctx->ps_shader->current->pm4);
677
678 if (si_pm4_state_changed(sctx, ps) || si_pm4_state_changed(sctx, vs)) {
679 /* XXX: Emitting the PS state even when only the VS changed
680 * fixes random failures with piglit glsl-max-varyings.
681 * Not sure why...
682 */
683 sctx->emitted.named.ps = NULL;
684 si_update_spi_map(sctx);
685 }
686
687 if (sctx->ps_db_shader_control != sctx->ps_shader->current->db_shader_control) {
688 sctx->ps_db_shader_control = sctx->ps_shader->current->db_shader_control;
689 sctx->db_render_state.dirty = true;
690 }
691 }
692
693 static void si_state_draw(struct si_context *sctx,
694 const struct pipe_draw_info *info,
695 const struct pipe_index_buffer *ib)
696 {
697 unsigned sh_base_reg = (sctx->gs_shader ? R_00B330_SPI_SHADER_USER_DATA_ES_0 :
698 R_00B130_SPI_SHADER_USER_DATA_VS_0);
699 struct si_pm4_state *pm4 = si_pm4_alloc_state(sctx);
700
701 if (pm4 == NULL)
702 return;
703
704 if (info->count_from_stream_output) {
705 struct r600_so_target *t =
706 (struct r600_so_target*)info->count_from_stream_output;
707 uint64_t va = t->buf_filled_size->gpu_address +
708 t->buf_filled_size_offset;
709
710 si_pm4_set_reg(pm4, R_028B30_VGT_STRMOUT_DRAW_OPAQUE_VERTEX_STRIDE,
711 t->stride_in_dw);
712
713 si_pm4_cmd_begin(pm4, PKT3_COPY_DATA);
714 si_pm4_cmd_add(pm4,
715 COPY_DATA_SRC_SEL(COPY_DATA_MEM) |
716 COPY_DATA_DST_SEL(COPY_DATA_REG) |
717 COPY_DATA_WR_CONFIRM);
718 si_pm4_cmd_add(pm4, va); /* src address lo */
719 si_pm4_cmd_add(pm4, va >> 32UL); /* src address hi */
720 si_pm4_cmd_add(pm4, R_028B2C_VGT_STRMOUT_DRAW_OPAQUE_BUFFER_FILLED_SIZE >> 2);
721 si_pm4_cmd_add(pm4, 0); /* unused */
722 si_pm4_add_bo(pm4, t->buf_filled_size, RADEON_USAGE_READ,
723 RADEON_PRIO_MIN);
724 si_pm4_cmd_end(pm4, true);
725 }
726
727 /* draw packet */
728 si_pm4_cmd_begin(pm4, PKT3_INDEX_TYPE);
729 if (ib->index_size == 4) {
730 si_pm4_cmd_add(pm4, V_028A7C_VGT_INDEX_32 | (SI_BIG_ENDIAN ?
731 V_028A7C_VGT_DMA_SWAP_32_BIT : 0));
732 } else {
733 si_pm4_cmd_add(pm4, V_028A7C_VGT_INDEX_16 | (SI_BIG_ENDIAN ?
734 V_028A7C_VGT_DMA_SWAP_16_BIT : 0));
735 }
736 si_pm4_cmd_end(pm4, sctx->b.predicate_drawing);
737
738 if (!info->indirect) {
739 si_pm4_cmd_begin(pm4, PKT3_NUM_INSTANCES);
740 si_pm4_cmd_add(pm4, info->instance_count);
741 si_pm4_cmd_end(pm4, sctx->b.predicate_drawing);
742
743 si_pm4_set_reg(pm4, sh_base_reg + SI_SGPR_BASE_VERTEX * 4,
744 info->indexed ? info->index_bias : info->start);
745 si_pm4_set_reg(pm4, sh_base_reg + SI_SGPR_START_INSTANCE * 4,
746 info->start_instance);
747 } else {
748 si_pm4_add_bo(pm4, (struct r600_resource *)info->indirect,
749 RADEON_USAGE_READ, RADEON_PRIO_MIN);
750 }
751
752 if (info->indexed) {
753 uint32_t max_size = (ib->buffer->width0 - ib->offset) /
754 sctx->index_buffer.index_size;
755 uint64_t va = r600_resource(ib->buffer)->gpu_address + ib->offset;
756
757 si_pm4_add_bo(pm4, (struct r600_resource *)ib->buffer, RADEON_USAGE_READ,
758 RADEON_PRIO_MIN);
759
760 if (info->indirect) {
761 uint64_t indirect_va = r600_resource(info->indirect)->gpu_address;
762 si_cmd_draw_index_indirect(pm4, indirect_va, va, max_size,
763 info->indirect_offset,
764 sh_base_reg + SI_SGPR_BASE_VERTEX * 4,
765 sh_base_reg + SI_SGPR_START_INSTANCE * 4,
766 sctx->b.predicate_drawing);
767 } else {
768 va += info->start * ib->index_size;
769 si_cmd_draw_index_2(pm4, max_size, va, info->count,
770 V_0287F0_DI_SRC_SEL_DMA,
771 sctx->b.predicate_drawing);
772 }
773 } else {
774 if (info->indirect) {
775 uint64_t indirect_va = r600_resource(info->indirect)->gpu_address;
776 si_cmd_draw_indirect(pm4, indirect_va, info->indirect_offset,
777 sh_base_reg + SI_SGPR_BASE_VERTEX * 4,
778 sh_base_reg + SI_SGPR_START_INSTANCE * 4,
779 sctx->b.predicate_drawing);
780 } else {
781 si_cmd_draw_index_auto(pm4, info->count,
782 V_0287F0_DI_SRC_SEL_AUTO_INDEX |
783 S_0287F0_USE_OPAQUE(!!info->count_from_stream_output),
784 sctx->b.predicate_drawing);
785 }
786 }
787
788 si_pm4_set_state(sctx, draw, pm4);
789 }
790
791 void si_emit_cache_flush(struct r600_common_context *sctx, struct r600_atom *atom)
792 {
793 struct radeon_winsys_cs *cs = sctx->rings.gfx.cs;
794 uint32_t cp_coher_cntl = 0;
795
796 /* XXX SI flushes both ICACHE and KCACHE if either flag is set.
797 * XXX CIK shouldn't have this issue. Test CIK before separating the flags
798 * XXX to ensure there is no regression. Also find out if there is another
799 * XXX way to flush either ICACHE or KCACHE but not both for SI. */
800 if (sctx->flags & (R600_CONTEXT_INV_SHADER_CACHE |
801 R600_CONTEXT_INV_CONST_CACHE)) {
802 cp_coher_cntl |= S_0085F0_SH_ICACHE_ACTION_ENA(1) |
803 S_0085F0_SH_KCACHE_ACTION_ENA(1);
804 }
805 if (sctx->flags & (R600_CONTEXT_INV_TEX_CACHE |
806 R600_CONTEXT_STREAMOUT_FLUSH)) {
807 cp_coher_cntl |= S_0085F0_TC_ACTION_ENA(1) |
808 S_0085F0_TCL1_ACTION_ENA(1);
809 }
810 if (sctx->flags & R600_CONTEXT_FLUSH_AND_INV_CB) {
811 cp_coher_cntl |= S_0085F0_CB_ACTION_ENA(1) |
812 S_0085F0_CB0_DEST_BASE_ENA(1) |
813 S_0085F0_CB1_DEST_BASE_ENA(1) |
814 S_0085F0_CB2_DEST_BASE_ENA(1) |
815 S_0085F0_CB3_DEST_BASE_ENA(1) |
816 S_0085F0_CB4_DEST_BASE_ENA(1) |
817 S_0085F0_CB5_DEST_BASE_ENA(1) |
818 S_0085F0_CB6_DEST_BASE_ENA(1) |
819 S_0085F0_CB7_DEST_BASE_ENA(1);
820 }
821 if (sctx->flags & R600_CONTEXT_FLUSH_AND_INV_DB) {
822 cp_coher_cntl |= S_0085F0_DB_ACTION_ENA(1) |
823 S_0085F0_DB_DEST_BASE_ENA(1);
824 }
825
826 if (cp_coher_cntl) {
827 if (sctx->chip_class >= CIK) {
828 radeon_emit(cs, PKT3(PKT3_ACQUIRE_MEM, 5, 0));
829 radeon_emit(cs, cp_coher_cntl); /* CP_COHER_CNTL */
830 radeon_emit(cs, 0xffffffff); /* CP_COHER_SIZE */
831 radeon_emit(cs, 0xff); /* CP_COHER_SIZE_HI */
832 radeon_emit(cs, 0); /* CP_COHER_BASE */
833 radeon_emit(cs, 0); /* CP_COHER_BASE_HI */
834 radeon_emit(cs, 0x0000000A); /* POLL_INTERVAL */
835 } else {
836 radeon_emit(cs, PKT3(PKT3_SURFACE_SYNC, 3, 0));
837 radeon_emit(cs, cp_coher_cntl); /* CP_COHER_CNTL */
838 radeon_emit(cs, 0xffffffff); /* CP_COHER_SIZE */
839 radeon_emit(cs, 0); /* CP_COHER_BASE */
840 radeon_emit(cs, 0x0000000A); /* POLL_INTERVAL */
841 }
842 }
843
844 if (sctx->flags & R600_CONTEXT_FLUSH_AND_INV_CB_META) {
845 radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
846 radeon_emit(cs, EVENT_TYPE(V_028A90_FLUSH_AND_INV_CB_META) | EVENT_INDEX(0));
847 }
848 if (sctx->flags & R600_CONTEXT_FLUSH_AND_INV_DB_META) {
849 radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
850 radeon_emit(cs, EVENT_TYPE(V_028A90_FLUSH_AND_INV_DB_META) | EVENT_INDEX(0));
851 }
852
853 if (sctx->flags & (R600_CONTEXT_WAIT_3D_IDLE |
854 R600_CONTEXT_PS_PARTIAL_FLUSH)) {
855 radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
856 radeon_emit(cs, EVENT_TYPE(V_028A90_PS_PARTIAL_FLUSH) | EVENT_INDEX(4));
857 } else if (sctx->flags & R600_CONTEXT_STREAMOUT_FLUSH) {
858 /* Needed if streamout buffers are going to be used as a source. */
859 radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
860 radeon_emit(cs, EVENT_TYPE(V_028A90_VS_PARTIAL_FLUSH) | EVENT_INDEX(4));
861 }
862
863 if (sctx->flags & R600_CONTEXT_VGT_FLUSH) {
864 radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
865 radeon_emit(cs, EVENT_TYPE(V_028A90_VGT_FLUSH) | EVENT_INDEX(0));
866 }
867 if (sctx->flags & R600_CONTEXT_VGT_STREAMOUT_SYNC) {
868 radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
869 radeon_emit(cs, EVENT_TYPE(V_028A90_VGT_STREAMOUT_SYNC) | EVENT_INDEX(0));
870 }
871
872 sctx->flags = 0;
873 }
874
875 const struct r600_atom si_atom_cache_flush = { si_emit_cache_flush, 17 }; /* number of CS dwords */
876
877 static void si_get_draw_start_count(struct si_context *sctx,
878 const struct pipe_draw_info *info,
879 unsigned *start, unsigned *count)
880 {
881 if (info->indirect) {
882 struct r600_resource *indirect =
883 (struct r600_resource*)info->indirect;
884 int *data = r600_buffer_map_sync_with_rings(&sctx->b,
885 indirect, PIPE_TRANSFER_READ);
886 data += info->indirect_offset/sizeof(int);
887 *start = data[2];
888 *count = data[0];
889 } else {
890 *start = info->start;
891 *count = info->count;
892 }
893 }
894
895 void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
896 {
897 struct si_context *sctx = (struct si_context *)ctx;
898 struct pipe_index_buffer ib = {};
899 uint32_t i;
900
901 if (!info->count && !info->indirect &&
902 (info->indexed || !info->count_from_stream_output))
903 return;
904
905 if (!sctx->ps_shader || !sctx->vs_shader)
906 return;
907
908 si_update_derived_state(sctx);
909
910 if (sctx->vertex_buffers_dirty) {
911 si_update_vertex_buffers(sctx);
912 sctx->vertex_buffers_dirty = false;
913 }
914
915 if (info->indexed) {
916 /* Initialize the index buffer struct. */
917 pipe_resource_reference(&ib.buffer, sctx->index_buffer.buffer);
918 ib.user_buffer = sctx->index_buffer.user_buffer;
919 ib.index_size = sctx->index_buffer.index_size;
920 ib.offset = sctx->index_buffer.offset;
921
922 /* Translate or upload, if needed. */
923 if (ib.index_size == 1) {
924 struct pipe_resource *out_buffer = NULL;
925 unsigned out_offset, start, count, start_offset;
926 void *ptr;
927
928 si_get_draw_start_count(sctx, info, &start, &count);
929 start_offset = start * ib.index_size;
930
931 u_upload_alloc(sctx->b.uploader, start_offset, count * 2,
932 &out_offset, &out_buffer, &ptr);
933
934 util_shorten_ubyte_elts_to_userptr(&sctx->b.b, &ib, 0,
935 ib.offset + start_offset,
936 count, ptr);
937
938 pipe_resource_reference(&ib.buffer, NULL);
939 ib.user_buffer = NULL;
940 ib.buffer = out_buffer;
941 /* info->start will be added by the drawing code */
942 ib.offset = out_offset - start_offset;
943 ib.index_size = 2;
944 } else if (ib.user_buffer && !ib.buffer) {
945 unsigned start, count, start_offset;
946
947 si_get_draw_start_count(sctx, info, &start, &count);
948 start_offset = start * ib.index_size;
949
950 u_upload_data(sctx->b.uploader, start_offset, count * ib.index_size,
951 (char*)ib.user_buffer + start_offset,
952 &ib.offset, &ib.buffer);
953 /* info->start will be added by the drawing code */
954 ib.offset -= start_offset;
955 }
956 }
957
958 if (!si_update_draw_info_state(sctx, info, &ib))
959 return;
960
961 si_state_draw(sctx, info, &ib);
962
963 sctx->pm4_dirty_cdwords += si_pm4_dirty_dw(sctx);
964
965 /* Check flush flags. */
966 if (sctx->b.flags)
967 sctx->atoms.s.cache_flush->dirty = true;
968
969 si_need_cs_space(sctx, 0, TRUE);
970
971 /* Emit states. */
972 for (i = 0; i < SI_NUM_ATOMS(sctx); i++) {
973 if (sctx->atoms.array[i]->dirty) {
974 sctx->atoms.array[i]->emit(&sctx->b, sctx->atoms.array[i]);
975 sctx->atoms.array[i]->dirty = false;
976 }
977 }
978
979 si_pm4_emit_dirty(sctx);
980 sctx->pm4_dirty_cdwords = 0;
981
982 #if SI_TRACE_CS
983 if (sctx->screen->b.trace_bo) {
984 si_trace_emit(sctx);
985 }
986 #endif
987
988 /* Workaround for a VGT hang when streamout is enabled.
989 * It must be done after drawing. */
990 if (sctx->b.family == CHIP_HAWAII &&
991 (sctx->b.streamout.streamout_enabled ||
992 sctx->b.streamout.prims_gen_query_enabled)) {
993 sctx->b.flags |= R600_CONTEXT_VGT_STREAMOUT_SYNC;
994 }
995
996 /* Set the depth buffer as dirty. */
997 if (sctx->framebuffer.state.zsbuf) {
998 struct pipe_surface *surf = sctx->framebuffer.state.zsbuf;
999 struct r600_texture *rtex = (struct r600_texture *)surf->texture;
1000
1001 rtex->dirty_level_mask |= 1 << surf->u.tex.level;
1002 }
1003 if (sctx->framebuffer.compressed_cb_mask) {
1004 struct pipe_surface *surf;
1005 struct r600_texture *rtex;
1006 unsigned mask = sctx->framebuffer.compressed_cb_mask;
1007
1008 do {
1009 unsigned i = u_bit_scan(&mask);
1010 surf = sctx->framebuffer.state.cbufs[i];
1011 rtex = (struct r600_texture*)surf->texture;
1012
1013 rtex->dirty_level_mask |= 1 << surf->u.tex.level;
1014 } while (mask);
1015 }
1016
1017 pipe_resource_reference(&ib.buffer, NULL);
1018 sctx->b.num_draw_calls++;
1019 }