gen7: Use logical, not physical, dims in 3DSTATE_DEPTH_BUFFER (v2)
[mesa.git] / src / mesa / drivers / dri / i965 / gen7_blorp.cpp
1 /*
2 * Copyright © 2011 Intel Corporation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * 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 NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #include <assert.h>
25
26 #include "intel_batchbuffer.h"
27 #include "intel_fbo.h"
28 #include "intel_mipmap_tree.h"
29
30 #include "brw_context.h"
31 #include "brw_defines.h"
32 #include "brw_state.h"
33
34 #include "brw_blorp.h"
35 #include "gen7_blorp.h"
36
37
38 /* 3DSTATE_URB_VS
39 * 3DSTATE_URB_HS
40 * 3DSTATE_URB_DS
41 * 3DSTATE_URB_GS
42 *
43 * If the 3DSTATE_URB_VS is emitted, than the others must be also.
44 * From the Ivybridge PRM, Volume 2 Part 1, section 1.7.1 3DSTATE_URB_VS:
45 *
46 * 3DSTATE_URB_HS, 3DSTATE_URB_DS, and 3DSTATE_URB_GS must also be
47 * programmed in order for the programming of this state to be
48 * valid.
49 */
50 static void
51 gen7_blorp_emit_urb_config(struct brw_context *brw,
52 const brw_blorp_params *params)
53 {
54 unsigned urb_size = (brw->is_haswell && brw->gt == 3) ? 32 : 16;
55 gen7_emit_push_constant_state(brw,
56 urb_size / 2 /* vs_size */,
57 0 /* gs_size */,
58 urb_size / 2 /* fs_size */);
59
60 /* The minimum valid number of VS entries is 32. See 3DSTATE_URB_VS, Dword
61 * 1.15:0 "VS Number of URB Entries".
62 */
63 gen7_emit_urb_state(brw,
64 32 /* num_vs_entries */,
65 2 /* vs_size */,
66 2 /* vs_start */,
67 0 /* num_gs_entries */,
68 1 /* gs_size */,
69 2 /* gs_start */);
70 }
71
72
73 /* 3DSTATE_BLEND_STATE_POINTERS */
74 static void
75 gen7_blorp_emit_blend_state_pointer(struct brw_context *brw,
76 const brw_blorp_params *params,
77 uint32_t cc_blend_state_offset)
78 {
79 BEGIN_BATCH(2);
80 OUT_BATCH(_3DSTATE_BLEND_STATE_POINTERS << 16 | (2 - 2));
81 OUT_BATCH(cc_blend_state_offset | 1);
82 ADVANCE_BATCH();
83 }
84
85
86 /* 3DSTATE_CC_STATE_POINTERS */
87 static void
88 gen7_blorp_emit_cc_state_pointer(struct brw_context *brw,
89 const brw_blorp_params *params,
90 uint32_t cc_state_offset)
91 {
92 BEGIN_BATCH(2);
93 OUT_BATCH(_3DSTATE_CC_STATE_POINTERS << 16 | (2 - 2));
94 OUT_BATCH(cc_state_offset | 1);
95 ADVANCE_BATCH();
96 }
97
98 static void
99 gen7_blorp_emit_cc_viewport(struct brw_context *brw,
100 const brw_blorp_params *params)
101 {
102 struct brw_cc_viewport *ccv;
103 uint32_t cc_vp_offset;
104
105 ccv = (struct brw_cc_viewport *)brw_state_batch(brw, AUB_TRACE_CC_VP_STATE,
106 sizeof(*ccv), 32,
107 &cc_vp_offset);
108 ccv->min_depth = 0.0;
109 ccv->max_depth = 1.0;
110
111 BEGIN_BATCH(2);
112 OUT_BATCH(_3DSTATE_VIEWPORT_STATE_POINTERS_CC << 16 | (2 - 2));
113 OUT_BATCH(cc_vp_offset);
114 ADVANCE_BATCH();
115 }
116
117
118 /* 3DSTATE_DEPTH_STENCIL_STATE_POINTERS
119 *
120 * The offset is relative to CMD_STATE_BASE_ADDRESS.DynamicStateBaseAddress.
121 */
122 static void
123 gen7_blorp_emit_depth_stencil_state_pointers(struct brw_context *brw,
124 const brw_blorp_params *params,
125 uint32_t depthstencil_offset)
126 {
127 BEGIN_BATCH(2);
128 OUT_BATCH(_3DSTATE_DEPTH_STENCIL_STATE_POINTERS << 16 | (2 - 2));
129 OUT_BATCH(depthstencil_offset | 1);
130 ADVANCE_BATCH();
131 }
132
133
134 /* SURFACE_STATE for renderbuffer or texture surface (see
135 * brw_update_renderbuffer_surface and brw_update_texture_surface)
136 */
137 static uint32_t
138 gen7_blorp_emit_surface_state(struct brw_context *brw,
139 const brw_blorp_params *params,
140 const brw_blorp_surface_info *surface,
141 uint32_t read_domains, uint32_t write_domain,
142 bool is_render_target)
143 {
144 uint32_t wm_surf_offset;
145 uint32_t width = surface->width;
146 uint32_t height = surface->height;
147 /* Note: since gen7 uses INTEL_MSAA_LAYOUT_CMS or INTEL_MSAA_LAYOUT_UMS for
148 * color surfaces, width and height are measured in pixels; we don't need
149 * to divide them by 2 as we do for Gen6 (see
150 * gen6_blorp_emit_surface_state).
151 */
152 struct intel_region *region = surface->mt->region;
153 uint32_t tile_x, tile_y;
154 const uint8_t mocs = GEN7_MOCS_L3;
155
156 uint32_t tiling = surface->map_stencil_as_y_tiled
157 ? I915_TILING_Y : region->tiling;
158
159 uint32_t *surf = (uint32_t *)
160 brw_state_batch(brw, AUB_TRACE_SURFACE_STATE, 8 * 4, 32, &wm_surf_offset);
161 memset(surf, 0, 8 * 4);
162
163 surf[0] = BRW_SURFACE_2D << BRW_SURFACE_TYPE_SHIFT |
164 surface->brw_surfaceformat << BRW_SURFACE_FORMAT_SHIFT |
165 gen7_surface_tiling_mode(tiling);
166
167 if (surface->mt->align_h == 4)
168 surf[0] |= GEN7_SURFACE_VALIGN_4;
169 if (surface->mt->align_w == 8)
170 surf[0] |= GEN7_SURFACE_HALIGN_8;
171
172 if (surface->array_spacing_lod0)
173 surf[0] |= GEN7_SURFACE_ARYSPC_LOD0;
174 else
175 surf[0] |= GEN7_SURFACE_ARYSPC_FULL;
176
177 /* reloc */
178 surf[1] =
179 surface->compute_tile_offsets(&tile_x, &tile_y) + region->bo->offset;
180
181 /* Note that the low bits of these fields are missing, so
182 * there's the possibility of getting in trouble.
183 */
184 assert(tile_x % 4 == 0);
185 assert(tile_y % 2 == 0);
186 surf[5] = SET_FIELD(tile_x / 4, BRW_SURFACE_X_OFFSET) |
187 SET_FIELD(tile_y / 2, BRW_SURFACE_Y_OFFSET) |
188 SET_FIELD(mocs, GEN7_SURFACE_MOCS);
189
190 surf[2] = SET_FIELD(width - 1, GEN7_SURFACE_WIDTH) |
191 SET_FIELD(height - 1, GEN7_SURFACE_HEIGHT);
192
193 uint32_t pitch_bytes = region->pitch;
194 if (surface->map_stencil_as_y_tiled)
195 pitch_bytes *= 2;
196 surf[3] = pitch_bytes - 1;
197
198 surf[4] = gen7_surface_msaa_bits(surface->num_samples, surface->msaa_layout);
199 if (surface->mt->mcs_mt) {
200 gen7_set_surface_mcs_info(brw, surf, wm_surf_offset, surface->mt->mcs_mt,
201 is_render_target);
202 }
203
204 surf[7] = surface->mt->fast_clear_color_value;
205
206 if (brw->is_haswell) {
207 surf[7] |= (SET_FIELD(HSW_SCS_RED, GEN7_SURFACE_SCS_R) |
208 SET_FIELD(HSW_SCS_GREEN, GEN7_SURFACE_SCS_G) |
209 SET_FIELD(HSW_SCS_BLUE, GEN7_SURFACE_SCS_B) |
210 SET_FIELD(HSW_SCS_ALPHA, GEN7_SURFACE_SCS_A));
211 }
212
213 /* Emit relocation to surface contents */
214 drm_intel_bo_emit_reloc(brw->batch.bo,
215 wm_surf_offset + 4,
216 region->bo,
217 surf[1] - region->bo->offset,
218 read_domains, write_domain);
219
220 gen7_check_surface_setup(surf, is_render_target);
221
222 return wm_surf_offset;
223 }
224
225
226 /**
227 * SAMPLER_STATE. See gen7_update_sampler_state().
228 */
229 static uint32_t
230 gen7_blorp_emit_sampler_state(struct brw_context *brw,
231 const brw_blorp_params *params)
232 {
233 uint32_t sampler_offset;
234
235 struct gen7_sampler_state *sampler = (struct gen7_sampler_state *)
236 brw_state_batch(brw, AUB_TRACE_SAMPLER_STATE,
237 sizeof(struct gen7_sampler_state),
238 32, &sampler_offset);
239 memset(sampler, 0, sizeof(*sampler));
240
241 sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR;
242 sampler->ss0.mip_filter = BRW_MIPFILTER_NONE;
243 sampler->ss0.mag_filter = BRW_MAPFILTER_LINEAR;
244
245 sampler->ss3.r_wrap_mode = BRW_TEXCOORDMODE_CLAMP;
246 sampler->ss3.s_wrap_mode = BRW_TEXCOORDMODE_CLAMP;
247 sampler->ss3.t_wrap_mode = BRW_TEXCOORDMODE_CLAMP;
248
249 // sampler->ss0.min_mag_neq = 1;
250
251 /* Set LOD bias:
252 */
253 sampler->ss0.lod_bias = 0;
254
255 sampler->ss0.lod_preclamp = 1; /* OpenGL mode */
256 sampler->ss0.default_color_mode = 0; /* OpenGL/DX10 mode */
257
258 /* Set BaseMipLevel, MaxLOD, MinLOD:
259 *
260 * XXX: I don't think that using firstLevel, lastLevel works,
261 * because we always setup the surface state as if firstLevel ==
262 * level zero. Probably have to subtract firstLevel from each of
263 * these:
264 */
265 sampler->ss0.base_level = U_FIXED(0, 1);
266
267 sampler->ss1.max_lod = U_FIXED(0, 8);
268 sampler->ss1.min_lod = U_FIXED(0, 8);
269
270 sampler->ss3.non_normalized_coord = 1;
271
272 sampler->ss3.address_round |= BRW_ADDRESS_ROUNDING_ENABLE_U_MIN |
273 BRW_ADDRESS_ROUNDING_ENABLE_V_MIN |
274 BRW_ADDRESS_ROUNDING_ENABLE_R_MIN;
275 sampler->ss3.address_round |= BRW_ADDRESS_ROUNDING_ENABLE_U_MAG |
276 BRW_ADDRESS_ROUNDING_ENABLE_V_MAG |
277 BRW_ADDRESS_ROUNDING_ENABLE_R_MAG;
278
279 return sampler_offset;
280 }
281
282
283 /* 3DSTATE_VS
284 *
285 * Disable vertex shader.
286 */
287 static void
288 gen7_blorp_emit_vs_disable(struct brw_context *brw,
289 const brw_blorp_params *params)
290 {
291 BEGIN_BATCH(7);
292 OUT_BATCH(_3DSTATE_CONSTANT_VS << 16 | (7 - 2));
293 OUT_BATCH(0);
294 OUT_BATCH(0);
295 OUT_BATCH(0);
296 OUT_BATCH(0);
297 OUT_BATCH(0);
298 OUT_BATCH(0);
299 ADVANCE_BATCH();
300
301 BEGIN_BATCH(6);
302 OUT_BATCH(_3DSTATE_VS << 16 | (6 - 2));
303 OUT_BATCH(0);
304 OUT_BATCH(0);
305 OUT_BATCH(0);
306 OUT_BATCH(0);
307 OUT_BATCH(0);
308 ADVANCE_BATCH();
309 }
310
311
312 /* 3DSTATE_HS
313 *
314 * Disable the hull shader.
315 */
316 static void
317 gen7_blorp_emit_hs_disable(struct brw_context *brw,
318 const brw_blorp_params *params)
319 {
320 BEGIN_BATCH(7);
321 OUT_BATCH(_3DSTATE_CONSTANT_HS << 16 | (7 - 2));
322 OUT_BATCH(0);
323 OUT_BATCH(0);
324 OUT_BATCH(0);
325 OUT_BATCH(0);
326 OUT_BATCH(0);
327 OUT_BATCH(0);
328 ADVANCE_BATCH();
329
330 BEGIN_BATCH(7);
331 OUT_BATCH(_3DSTATE_HS << 16 | (7 - 2));
332 OUT_BATCH(0);
333 OUT_BATCH(0);
334 OUT_BATCH(0);
335 OUT_BATCH(0);
336 OUT_BATCH(0);
337 OUT_BATCH(0);
338 ADVANCE_BATCH();
339 }
340
341
342 /* 3DSTATE_TE
343 *
344 * Disable the tesselation engine.
345 */
346 static void
347 gen7_blorp_emit_te_disable(struct brw_context *brw,
348 const brw_blorp_params *params)
349 {
350 BEGIN_BATCH(4);
351 OUT_BATCH(_3DSTATE_TE << 16 | (4 - 2));
352 OUT_BATCH(0);
353 OUT_BATCH(0);
354 OUT_BATCH(0);
355 ADVANCE_BATCH();
356 }
357
358
359 /* 3DSTATE_DS
360 *
361 * Disable the domain shader.
362 */
363 static void
364 gen7_blorp_emit_ds_disable(struct brw_context *brw,
365 const brw_blorp_params *params)
366 {
367 BEGIN_BATCH(7);
368 OUT_BATCH(_3DSTATE_CONSTANT_DS << 16 | (7 - 2));
369 OUT_BATCH(0);
370 OUT_BATCH(0);
371 OUT_BATCH(0);
372 OUT_BATCH(0);
373 OUT_BATCH(0);
374 OUT_BATCH(0);
375 ADVANCE_BATCH();
376
377 BEGIN_BATCH(6);
378 OUT_BATCH(_3DSTATE_DS << 16 | (6 - 2));
379 OUT_BATCH(0);
380 OUT_BATCH(0);
381 OUT_BATCH(0);
382 OUT_BATCH(0);
383 OUT_BATCH(0);
384 ADVANCE_BATCH();
385 }
386
387 /* 3DSTATE_GS
388 *
389 * Disable the geometry shader.
390 */
391 static void
392 gen7_blorp_emit_gs_disable(struct brw_context *brw,
393 const brw_blorp_params *params)
394 {
395 BEGIN_BATCH(7);
396 OUT_BATCH(_3DSTATE_CONSTANT_GS << 16 | (7 - 2));
397 OUT_BATCH(0);
398 OUT_BATCH(0);
399 OUT_BATCH(0);
400 OUT_BATCH(0);
401 OUT_BATCH(0);
402 OUT_BATCH(0);
403 ADVANCE_BATCH();
404
405 BEGIN_BATCH(7);
406 OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2));
407 OUT_BATCH(0);
408 OUT_BATCH(0);
409 OUT_BATCH(0);
410 OUT_BATCH(0);
411 OUT_BATCH(0);
412 OUT_BATCH(0);
413 ADVANCE_BATCH();
414 }
415
416 /* 3DSTATE_STREAMOUT
417 *
418 * Disable streamout.
419 */
420 static void
421 gen7_blorp_emit_streamout_disable(struct brw_context *brw,
422 const brw_blorp_params *params)
423 {
424 BEGIN_BATCH(3);
425 OUT_BATCH(_3DSTATE_STREAMOUT << 16 | (3 - 2));
426 OUT_BATCH(0);
427 OUT_BATCH(0);
428 ADVANCE_BATCH();
429 }
430
431
432 static void
433 gen7_blorp_emit_sf_config(struct brw_context *brw,
434 const brw_blorp_params *params)
435 {
436 /* 3DSTATE_SF
437 *
438 * Disable ViewportTransformEnable (dw1.1)
439 *
440 * From the SandyBridge PRM, Volume 2, Part 1, Section 1.3, "3D
441 * Primitives Overview":
442 * RECTLIST: Viewport Mapping must be DISABLED (as is typical with the
443 * use of screen- space coordinates).
444 *
445 * A solid rectangle must be rendered, so set FrontFaceFillMode (dw1.6:5)
446 * and BackFaceFillMode (dw1.4:3) to SOLID(0).
447 *
448 * From the Sandy Bridge PRM, Volume 2, Part 1, Section
449 * 6.4.1.1 3DSTATE_SF, Field FrontFaceFillMode:
450 * SOLID: Any triangle or rectangle object found to be front-facing
451 * is rendered as a solid object. This setting is required when
452 * (rendering rectangle (RECTLIST) objects.
453 */
454 {
455 BEGIN_BATCH(7);
456 OUT_BATCH(_3DSTATE_SF << 16 | (7 - 2));
457 OUT_BATCH(params->depth_format <<
458 GEN7_SF_DEPTH_BUFFER_SURFACE_FORMAT_SHIFT);
459 OUT_BATCH(params->num_samples > 1 ? GEN6_SF_MSRAST_ON_PATTERN : 0);
460 OUT_BATCH(0);
461 OUT_BATCH(0);
462 OUT_BATCH(0);
463 OUT_BATCH(0);
464 ADVANCE_BATCH();
465 }
466
467 /* 3DSTATE_SBE */
468 {
469 BEGIN_BATCH(14);
470 OUT_BATCH(_3DSTATE_SBE << 16 | (14 - 2));
471 OUT_BATCH((1 - 1) << GEN7_SBE_NUM_OUTPUTS_SHIFT | /* only position */
472 1 << GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT |
473 0 << GEN7_SBE_URB_ENTRY_READ_OFFSET_SHIFT);
474 for (int i = 0; i < 12; ++i)
475 OUT_BATCH(0);
476 ADVANCE_BATCH();
477 }
478 }
479
480
481 /**
482 * Disable thread dispatch (dw5.19) and enable the HiZ op.
483 */
484 static void
485 gen7_blorp_emit_wm_config(struct brw_context *brw,
486 const brw_blorp_params *params,
487 brw_blorp_prog_data *prog_data)
488 {
489 uint32_t dw1 = 0, dw2 = 0;
490
491 switch (params->hiz_op) {
492 case GEN6_HIZ_OP_DEPTH_CLEAR:
493 dw1 |= GEN7_WM_DEPTH_CLEAR;
494 break;
495 case GEN6_HIZ_OP_DEPTH_RESOLVE:
496 dw1 |= GEN7_WM_DEPTH_RESOLVE;
497 break;
498 case GEN6_HIZ_OP_HIZ_RESOLVE:
499 dw1 |= GEN7_WM_HIERARCHICAL_DEPTH_RESOLVE;
500 break;
501 case GEN6_HIZ_OP_NONE:
502 break;
503 default:
504 assert(0);
505 break;
506 }
507 dw1 |= GEN7_WM_LINE_AA_WIDTH_1_0;
508 dw1 |= GEN7_WM_LINE_END_CAP_AA_WIDTH_0_5;
509 dw1 |= 0 << GEN7_WM_BARYCENTRIC_INTERPOLATION_MODE_SHIFT; /* No interp */
510 if (params->use_wm_prog) {
511 dw1 |= GEN7_WM_KILL_ENABLE; /* TODO: temporarily smash on */
512 dw1 |= GEN7_WM_DISPATCH_ENABLE; /* We are rendering */
513 }
514
515 if (params->num_samples > 1) {
516 dw1 |= GEN7_WM_MSRAST_ON_PATTERN;
517 if (prog_data && prog_data->persample_msaa_dispatch)
518 dw2 |= GEN7_WM_MSDISPMODE_PERSAMPLE;
519 else
520 dw2 |= GEN7_WM_MSDISPMODE_PERPIXEL;
521 } else {
522 dw1 |= GEN7_WM_MSRAST_OFF_PIXEL;
523 dw2 |= GEN7_WM_MSDISPMODE_PERSAMPLE;
524 }
525
526 BEGIN_BATCH(3);
527 OUT_BATCH(_3DSTATE_WM << 16 | (3 - 2));
528 OUT_BATCH(dw1);
529 OUT_BATCH(dw2);
530 ADVANCE_BATCH();
531 }
532
533
534 /**
535 * 3DSTATE_PS
536 *
537 * Pixel shader dispatch is disabled above in 3DSTATE_WM, dw1.29. Despite
538 * that, thread dispatch info must still be specified.
539 * - Maximum Number of Threads (dw4.24:31) must be nonzero, as the
540 * valid range for this field is [0x3, 0x2f].
541 * - A dispatch mode must be given; that is, at least one of the
542 * "N Pixel Dispatch Enable" (N=8,16,32) fields must be set. This was
543 * discovered through simulator error messages.
544 */
545 static void
546 gen7_blorp_emit_ps_config(struct brw_context *brw,
547 const brw_blorp_params *params,
548 uint32_t prog_offset,
549 brw_blorp_prog_data *prog_data)
550 {
551 uint32_t dw2, dw4, dw5;
552 const int max_threads_shift = brw->is_haswell ?
553 HSW_PS_MAX_THREADS_SHIFT : IVB_PS_MAX_THREADS_SHIFT;
554
555 dw2 = dw4 = dw5 = 0;
556 dw4 |= (brw->max_wm_threads - 1) << max_threads_shift;
557
558 /* If there's a WM program, we need to do 16-pixel dispatch since that's
559 * what the program is compiled for. If there isn't, then it shouldn't
560 * matter because no program is actually being run. However, the hardware
561 * gets angry if we don't enable at least one dispatch mode, so just enable
562 * 16-pixel dispatch unconditionally.
563 */
564 dw4 |= GEN7_PS_16_DISPATCH_ENABLE;
565
566 if (brw->is_haswell)
567 dw4 |= SET_FIELD(1, HSW_PS_SAMPLE_MASK); /* 1 sample for now */
568 if (params->use_wm_prog) {
569 dw2 |= 1 << GEN7_PS_SAMPLER_COUNT_SHIFT; /* Up to 4 samplers */
570 dw4 |= GEN7_PS_PUSH_CONSTANT_ENABLE;
571 dw5 |= prog_data->first_curbe_grf << GEN7_PS_DISPATCH_START_GRF_SHIFT_0;
572 }
573
574 switch (params->fast_clear_op) {
575 case GEN7_FAST_CLEAR_OP_FAST_CLEAR:
576 dw4 |= GEN7_PS_RENDER_TARGET_FAST_CLEAR_ENABLE;
577 break;
578 case GEN7_FAST_CLEAR_OP_RESOLVE:
579 dw4 |= GEN7_PS_RENDER_TARGET_RESOLVE_ENABLE;
580 break;
581 default:
582 break;
583 }
584
585 BEGIN_BATCH(8);
586 OUT_BATCH(_3DSTATE_PS << 16 | (8 - 2));
587 OUT_BATCH(params->use_wm_prog ? prog_offset : 0);
588 OUT_BATCH(dw2);
589 OUT_BATCH(0);
590 OUT_BATCH(dw4);
591 OUT_BATCH(dw5);
592 OUT_BATCH(0);
593 OUT_BATCH(0);
594 ADVANCE_BATCH();
595 }
596
597
598 static void
599 gen7_blorp_emit_binding_table_pointers_ps(struct brw_context *brw,
600 const brw_blorp_params *params,
601 uint32_t wm_bind_bo_offset)
602 {
603 BEGIN_BATCH(2);
604 OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_PS << 16 | (2 - 2));
605 OUT_BATCH(wm_bind_bo_offset);
606 ADVANCE_BATCH();
607 }
608
609
610 static void
611 gen7_blorp_emit_sampler_state_pointers_ps(struct brw_context *brw,
612 const brw_blorp_params *params,
613 uint32_t sampler_offset)
614 {
615 BEGIN_BATCH(2);
616 OUT_BATCH(_3DSTATE_SAMPLER_STATE_POINTERS_PS << 16 | (2 - 2));
617 OUT_BATCH(sampler_offset);
618 ADVANCE_BATCH();
619 }
620
621
622 static void
623 gen7_blorp_emit_constant_ps(struct brw_context *brw,
624 const brw_blorp_params *params,
625 uint32_t wm_push_const_offset)
626 {
627 const uint8_t mocs = GEN7_MOCS_L3;
628
629 /* Make sure the push constants fill an exact integer number of
630 * registers.
631 */
632 assert(sizeof(brw_blorp_wm_push_constants) % 32 == 0);
633
634 /* There must be at least one register worth of push constant data. */
635 assert(BRW_BLORP_NUM_PUSH_CONST_REGS > 0);
636
637 /* Enable push constant buffer 0. */
638 BEGIN_BATCH(7);
639 OUT_BATCH(_3DSTATE_CONSTANT_PS << 16 |
640 (7 - 2));
641 OUT_BATCH(BRW_BLORP_NUM_PUSH_CONST_REGS);
642 OUT_BATCH(0);
643 OUT_BATCH(wm_push_const_offset | mocs);
644 OUT_BATCH(0);
645 OUT_BATCH(0);
646 OUT_BATCH(0);
647 ADVANCE_BATCH();
648 }
649
650 static void
651 gen7_blorp_emit_constant_ps_disable(struct brw_context *brw,
652 const brw_blorp_params *params)
653 {
654 BEGIN_BATCH(7);
655 OUT_BATCH(_3DSTATE_CONSTANT_PS << 16 | (7 - 2));
656 OUT_BATCH(0);
657 OUT_BATCH(0);
658 OUT_BATCH(0);
659 OUT_BATCH(0);
660 OUT_BATCH(0);
661 OUT_BATCH(0);
662 ADVANCE_BATCH();
663 }
664
665 static void
666 gen7_blorp_emit_depth_stencil_config(struct brw_context *brw,
667 const brw_blorp_params *params)
668 {
669 const uint8_t mocs = GEN7_MOCS_L3;
670 uint32_t surfwidth, surfheight;
671 uint32_t surftype;
672 unsigned int depth = MAX2(params->depth.mt->logical_depth0, 1);
673 unsigned int min_array_element;
674 GLenum gl_target = params->depth.mt->target;
675 unsigned int lod;
676
677 switch (gl_target) {
678 case GL_TEXTURE_CUBE_MAP_ARRAY:
679 case GL_TEXTURE_CUBE_MAP:
680 /* The PRM claims that we should use BRW_SURFACE_CUBE for this
681 * situation, but experiments show that gl_Layer doesn't work when we do
682 * this. So we use BRW_SURFACE_2D, since for rendering purposes this is
683 * equivalent.
684 */
685 surftype = BRW_SURFACE_2D;
686 depth *= 6;
687 break;
688 default:
689 surftype = translate_tex_target(gl_target);
690 break;
691 }
692
693 min_array_element = params->depth.layer;
694 if (params->depth.mt->num_samples > 1) {
695 /* Convert physical layer to logical layer. */
696 min_array_element /= params->depth.mt->num_samples;
697 }
698
699 lod = params->depth.level - params->depth.mt->first_level;
700
701 if (params->hiz_op != GEN6_HIZ_OP_NONE && lod == 0) {
702 /* HIZ ops for lod 0 may set the width & height a little
703 * larger to allow the fast depth clear to fit the hardware
704 * alignment requirements. (8x4)
705 */
706 surfwidth = params->depth.width;
707 surfheight = params->depth.height;
708 } else {
709 surfwidth = params->depth.mt->logical_width0;
710 surfheight = params->depth.mt->logical_height0;
711 }
712
713 /* 3DSTATE_DEPTH_BUFFER */
714 {
715 intel_emit_depth_stall_flushes(brw);
716
717 BEGIN_BATCH(7);
718 OUT_BATCH(GEN7_3DSTATE_DEPTH_BUFFER << 16 | (7 - 2));
719 OUT_BATCH((params->depth.mt->region->pitch - 1) |
720 params->depth_format << 18 |
721 1 << 22 | /* hiz enable */
722 1 << 28 | /* depth write */
723 surftype << 29);
724 OUT_RELOC(params->depth.mt->region->bo,
725 I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
726 0);
727 OUT_BATCH((surfwidth - 1) << 4 |
728 (surfheight - 1) << 18 |
729 lod);
730 OUT_BATCH(((depth - 1) << 21) |
731 (min_array_element << 10) |
732 mocs);
733 OUT_BATCH(0);
734 OUT_BATCH((depth - 1) << 21);
735 ADVANCE_BATCH();
736 }
737
738 /* 3DSTATE_HIER_DEPTH_BUFFER */
739 {
740 struct intel_region *hiz_region = params->depth.mt->hiz_mt->region;
741
742 BEGIN_BATCH(3);
743 OUT_BATCH((GEN7_3DSTATE_HIER_DEPTH_BUFFER << 16) | (3 - 2));
744 OUT_BATCH((mocs << 25) |
745 (hiz_region->pitch - 1));
746 OUT_RELOC(hiz_region->bo,
747 I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
748 0);
749 ADVANCE_BATCH();
750 }
751
752 /* 3DSTATE_STENCIL_BUFFER */
753 {
754 BEGIN_BATCH(3);
755 OUT_BATCH((GEN7_3DSTATE_STENCIL_BUFFER << 16) | (3 - 2));
756 OUT_BATCH(0);
757 OUT_BATCH(0);
758 ADVANCE_BATCH();
759 }
760 }
761
762
763 static void
764 gen7_blorp_emit_depth_disable(struct brw_context *brw,
765 const brw_blorp_params *params)
766 {
767 intel_emit_depth_stall_flushes(brw);
768
769 BEGIN_BATCH(7);
770 OUT_BATCH(GEN7_3DSTATE_DEPTH_BUFFER << 16 | (7 - 2));
771 OUT_BATCH(BRW_DEPTHFORMAT_D32_FLOAT << 18 | (BRW_SURFACE_NULL << 29));
772 OUT_BATCH(0);
773 OUT_BATCH(0);
774 OUT_BATCH(0);
775 OUT_BATCH(0);
776 OUT_BATCH(0);
777 ADVANCE_BATCH();
778 }
779
780
781 /* 3DSTATE_CLEAR_PARAMS
782 *
783 * From the Ivybridge PRM, Volume 2 Part 1, Section 11.5.5.4
784 * 3DSTATE_CLEAR_PARAMS:
785 * 3DSTATE_CLEAR_PARAMS must always be programmed in the along
786 * with the other Depth/Stencil state commands(i.e. 3DSTATE_DEPTH_BUFFER,
787 * 3DSTATE_STENCIL_BUFFER, or 3DSTATE_HIER_DEPTH_BUFFER).
788 */
789 static void
790 gen7_blorp_emit_clear_params(struct brw_context *brw,
791 const brw_blorp_params *params)
792 {
793 BEGIN_BATCH(3);
794 OUT_BATCH(GEN7_3DSTATE_CLEAR_PARAMS << 16 | (3 - 2));
795 OUT_BATCH(params->depth.mt ? params->depth.mt->depth_clear_value : 0);
796 OUT_BATCH(GEN7_DEPTH_CLEAR_VALID);
797 ADVANCE_BATCH();
798 }
799
800
801 /* 3DPRIMITIVE */
802 static void
803 gen7_blorp_emit_primitive(struct brw_context *brw,
804 const brw_blorp_params *params)
805 {
806 BEGIN_BATCH(7);
807 OUT_BATCH(CMD_3D_PRIM << 16 | (7 - 2));
808 OUT_BATCH(GEN7_3DPRIM_VERTEXBUFFER_ACCESS_SEQUENTIAL |
809 _3DPRIM_RECTLIST);
810 OUT_BATCH(3); /* vertex count per instance */
811 OUT_BATCH(0);
812 OUT_BATCH(1); /* instance count */
813 OUT_BATCH(0);
814 OUT_BATCH(0);
815 ADVANCE_BATCH();
816 }
817
818
819 /**
820 * \copydoc gen6_blorp_exec()
821 */
822 void
823 gen7_blorp_exec(struct brw_context *brw,
824 const brw_blorp_params *params)
825 {
826 brw_blorp_prog_data *prog_data = NULL;
827 uint32_t cc_blend_state_offset = 0;
828 uint32_t cc_state_offset = 0;
829 uint32_t depthstencil_offset;
830 uint32_t wm_push_const_offset = 0;
831 uint32_t wm_bind_bo_offset = 0;
832 uint32_t sampler_offset = 0;
833
834 uint32_t prog_offset = params->get_wm_prog(brw, &prog_data);
835 gen6_blorp_emit_batch_head(brw, params);
836 gen6_emit_3dstate_multisample(brw, params->num_samples);
837 gen6_emit_3dstate_sample_mask(brw, params->num_samples, 1.0, false, ~0u);
838 gen6_blorp_emit_state_base_address(brw, params);
839 gen6_blorp_emit_vertices(brw, params);
840 gen7_blorp_emit_urb_config(brw, params);
841 if (params->use_wm_prog) {
842 cc_blend_state_offset = gen6_blorp_emit_blend_state(brw, params);
843 cc_state_offset = gen6_blorp_emit_cc_state(brw, params);
844 gen7_blorp_emit_blend_state_pointer(brw, params, cc_blend_state_offset);
845 gen7_blorp_emit_cc_state_pointer(brw, params, cc_state_offset);
846 }
847 depthstencil_offset = gen6_blorp_emit_depth_stencil_state(brw, params);
848 gen7_blorp_emit_depth_stencil_state_pointers(brw, params,
849 depthstencil_offset);
850 if (params->use_wm_prog) {
851 uint32_t wm_surf_offset_renderbuffer;
852 uint32_t wm_surf_offset_texture = 0;
853 wm_push_const_offset = gen6_blorp_emit_wm_constants(brw, params);
854 intel_miptree_used_for_rendering(params->dst.mt);
855 wm_surf_offset_renderbuffer =
856 gen7_blorp_emit_surface_state(brw, params, &params->dst,
857 I915_GEM_DOMAIN_RENDER,
858 I915_GEM_DOMAIN_RENDER,
859 true /* is_render_target */);
860 if (params->src.mt) {
861 wm_surf_offset_texture =
862 gen7_blorp_emit_surface_state(brw, params, &params->src,
863 I915_GEM_DOMAIN_SAMPLER, 0,
864 false /* is_render_target */);
865 }
866 wm_bind_bo_offset =
867 gen6_blorp_emit_binding_table(brw, params,
868 wm_surf_offset_renderbuffer,
869 wm_surf_offset_texture);
870 sampler_offset = gen7_blorp_emit_sampler_state(brw, params);
871 }
872 gen7_blorp_emit_vs_disable(brw, params);
873 gen7_blorp_emit_hs_disable(brw, params);
874 gen7_blorp_emit_te_disable(brw, params);
875 gen7_blorp_emit_ds_disable(brw, params);
876 gen7_blorp_emit_gs_disable(brw, params);
877 gen7_blorp_emit_streamout_disable(brw, params);
878 gen6_blorp_emit_clip_disable(brw, params);
879 gen7_blorp_emit_sf_config(brw, params);
880 gen7_blorp_emit_wm_config(brw, params, prog_data);
881 if (params->use_wm_prog) {
882 gen7_blorp_emit_binding_table_pointers_ps(brw, params,
883 wm_bind_bo_offset);
884 gen7_blorp_emit_sampler_state_pointers_ps(brw, params, sampler_offset);
885 gen7_blorp_emit_constant_ps(brw, params, wm_push_const_offset);
886 } else {
887 gen7_blorp_emit_constant_ps_disable(brw, params);
888 }
889 gen7_blorp_emit_ps_config(brw, params, prog_offset, prog_data);
890 gen7_blorp_emit_cc_viewport(brw, params);
891
892 if (params->depth.mt)
893 gen7_blorp_emit_depth_stencil_config(brw, params);
894 else
895 gen7_blorp_emit_depth_disable(brw, params);
896 gen7_blorp_emit_clear_params(brw, params);
897 gen6_blorp_emit_drawing_rectangle(brw, params);
898 gen7_blorp_emit_primitive(brw, params);
899 }