2 Copyright (C) Intel Corp. 2006. All Rights Reserved.
3 Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
4 develop this 3D driver.
6 Permission is hereby granted, free of charge, to any person obtaining
7 a copy of this software and associated documentation files (the
8 "Software"), to deal in the Software without restriction, including
9 without limitation the rights to use, copy, modify, merge, publish,
10 distribute, sublicense, and/or sell copies of the Software, and to
11 permit persons to whom the Software is furnished to do so, subject to
12 the following conditions:
14 The above copyright notice and this permission notice (including the
15 next paragraph) shall be included in all copies or substantial
16 portions of the Software.
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **********************************************************************/
29 * Keith Whitwell <keith@tungstengraphics.com>
34 #include "intel_batchbuffer.h"
35 #include "intel_fbo.h"
36 #include "intel_regions.h"
38 #include "brw_context.h"
39 #include "brw_state.h"
40 #include "brw_defines.h"
42 /* Constant single cliprect for framebuffer object or DRI2 drawing */
43 static void upload_drawing_rect(struct brw_context *brw)
45 struct intel_context *intel = &brw->intel;
46 struct gl_context *ctx = &intel->ctx;
49 OUT_BATCH(_3DSTATE_DRAWRECT_INFO_I965);
50 OUT_BATCH(0); /* xmin, ymin */
51 OUT_BATCH(((ctx->DrawBuffer->Width - 1) & 0xffff) |
52 ((ctx->DrawBuffer->Height - 1) << 16));
57 const struct brw_tracked_state brw_drawing_rect = {
60 .brw = BRW_NEW_CONTEXT,
63 .emit = upload_drawing_rect
67 * Upload the binding table pointers, which point each stage's array of surface
70 * The binding table pointers are relative to the surface state base address,
71 * which points at the batchbuffer containing the streamed batch state.
73 static void upload_binding_table_pointers(struct brw_context *brw)
75 struct intel_context *intel = &brw->intel;
78 OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS << 16 | (6 - 2));
79 OUT_BATCH(brw->vs.bind_bo_offset);
80 OUT_BATCH(0); /* gs */
81 OUT_BATCH(0); /* clip */
82 OUT_BATCH(0); /* sf */
83 OUT_BATCH(brw->wm.bind_bo_offset);
87 const struct brw_tracked_state brw_binding_table_pointers = {
90 .brw = (BRW_NEW_BATCH |
91 BRW_NEW_STATE_BASE_ADDRESS |
92 BRW_NEW_VS_BINDING_TABLE |
93 BRW_NEW_GS_BINDING_TABLE |
94 BRW_NEW_PS_BINDING_TABLE),
97 .emit = upload_binding_table_pointers,
101 * Upload the binding table pointers, which point each stage's array of surface
104 * The binding table pointers are relative to the surface state base address,
105 * which points at the batchbuffer containing the streamed batch state.
107 static void upload_gen6_binding_table_pointers(struct brw_context *brw)
109 struct intel_context *intel = &brw->intel;
112 OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS << 16 |
113 GEN6_BINDING_TABLE_MODIFY_VS |
114 GEN6_BINDING_TABLE_MODIFY_GS |
115 GEN6_BINDING_TABLE_MODIFY_PS |
117 OUT_BATCH(brw->vs.bind_bo_offset); /* vs */
118 OUT_BATCH(0); /* gs */
119 OUT_BATCH(brw->wm.bind_bo_offset); /* wm/ps */
123 const struct brw_tracked_state gen6_binding_table_pointers = {
126 .brw = (BRW_NEW_BATCH |
127 BRW_NEW_STATE_BASE_ADDRESS |
128 BRW_NEW_VS_BINDING_TABLE |
129 BRW_NEW_GS_BINDING_TABLE |
130 BRW_NEW_PS_BINDING_TABLE),
133 .emit = upload_gen6_binding_table_pointers,
137 * Upload pointers to the per-stage state.
139 * The state pointers in this packet are all relative to the general state
140 * base address set by CMD_STATE_BASE_ADDRESS, which is 0.
142 static void upload_pipelined_state_pointers(struct brw_context *brw )
144 struct intel_context *intel = &brw->intel;
146 if (intel->gen == 5) {
147 /* Need to flush before changing clip max threads for errata. */
154 OUT_BATCH(_3DSTATE_PIPELINED_POINTERS << 16 | (7 - 2));
155 OUT_RELOC(intel->batch.bo, I915_GEM_DOMAIN_INSTRUCTION, 0,
156 brw->vs.state_offset);
157 if (brw->gs.prog_active)
158 OUT_RELOC(brw->intel.batch.bo, I915_GEM_DOMAIN_INSTRUCTION, 0,
159 brw->gs.state_offset | 1);
162 OUT_RELOC(brw->intel.batch.bo, I915_GEM_DOMAIN_INSTRUCTION, 0,
163 brw->clip.state_offset | 1);
164 OUT_RELOC(brw->intel.batch.bo, I915_GEM_DOMAIN_INSTRUCTION, 0,
165 brw->sf.state_offset);
166 OUT_RELOC(brw->intel.batch.bo, I915_GEM_DOMAIN_INSTRUCTION, 0,
167 brw->wm.state_offset);
168 OUT_RELOC(brw->intel.batch.bo, I915_GEM_DOMAIN_INSTRUCTION, 0,
169 brw->cc.state_offset);
172 brw->state.dirty.brw |= BRW_NEW_PSP;
175 static void upload_psp_urb_cbs(struct brw_context *brw )
177 upload_pipelined_state_pointers(brw);
178 brw_upload_urb_fence(brw);
179 brw_upload_cs_urb_state(brw);
182 const struct brw_tracked_state brw_psp_urb_cbs = {
185 .brw = (BRW_NEW_URB_FENCE |
187 BRW_NEW_STATE_BASE_ADDRESS),
188 .cache = (CACHE_NEW_VS_UNIT |
191 CACHE_NEW_CLIP_UNIT |
196 .emit = upload_psp_urb_cbs,
199 static void prepare_depthbuffer(struct brw_context *brw)
201 struct intel_context *intel = &brw->intel;
202 struct gl_context *ctx = &intel->ctx;
203 struct gl_framebuffer *fb = ctx->DrawBuffer;
204 struct intel_renderbuffer *drb = intel_get_renderbuffer(fb, BUFFER_DEPTH);
205 struct intel_renderbuffer *srb = intel_get_renderbuffer(fb, BUFFER_STENCIL);
208 brw_add_validated_bo(brw, drb->region->buffer);
209 if (drb && drb->hiz_region)
210 brw_add_validated_bo(brw, drb->hiz_region->buffer);
212 brw_add_validated_bo(brw, srb->region->buffer);
215 static void emit_depthbuffer(struct brw_context *brw)
217 struct intel_context *intel = &brw->intel;
218 struct gl_context *ctx = &intel->ctx;
219 struct gl_framebuffer *fb = ctx->DrawBuffer;
221 struct intel_renderbuffer *depth_irb = intel_get_renderbuffer(fb, BUFFER_DEPTH);
222 struct intel_renderbuffer *stencil_irb = intel_get_renderbuffer(fb, BUFFER_STENCIL);
223 struct intel_region *hiz_region = depth_irb ? depth_irb->hiz_region : NULL;
226 /* 3DSTATE_DEPTH_BUFFER, 3DSTATE_STENCIL_BUFFER are both
227 * non-pipelined state that will need the PIPE_CONTROL workaround.
229 if (intel->gen == 6) {
230 intel_emit_post_sync_nonzero_flush(intel);
231 intel_emit_depth_stall_flushes(intel);
235 * If either depth or stencil buffer has packed depth/stencil format,
236 * then don't use separate stencil. Emit only a depth buffer.
238 if (depth_irb && depth_irb->Base.Format == MESA_FORMAT_S8_Z24) {
240 } else if (!depth_irb && stencil_irb
241 && stencil_irb->Base.Format == MESA_FORMAT_S8_Z24) {
242 depth_irb = stencil_irb;
248 else if (intel->is_g4x || intel->gen == 5)
253 if (!depth_irb && !stencil_irb) {
255 OUT_BATCH(_3DSTATE_DEPTH_BUFFER << 16 | (len - 2));
256 OUT_BATCH((BRW_DEPTHFORMAT_D32_FLOAT << 18) |
257 (BRW_SURFACE_NULL << 29));
262 if (intel->is_g4x || intel->gen >= 5)
270 } else if (!depth_irb && stencil_irb) {
272 * There exists a separate stencil buffer but no depth buffer.
274 * The stencil buffer inherits most of its fields from
275 * 3DSTATE_DEPTH_BUFFER: namely the tile walk, surface type, width, and
278 * Since the stencil buffer has quirky pitch requirements, its region
279 * was allocated with half height and double cpp. So we need
280 * a multiplier of 2 to obtain the surface's real height.
282 * Enable the hiz bit because it and the separate stencil bit must have
283 * the same value. From Section 2.11.5.6.1.1 3DSTATE_DEPTH_BUFFER, Bit
284 * 1.21 "Separate Stencil Enable":
285 * [DevIL]: If this field is enabled, Hierarchical Depth Buffer
286 * Enable must also be enabled.
288 * [DevGT]: This field must be set to the same value (enabled or
289 * disabled) as Hierarchical Depth Buffer Enable
291 assert(intel->has_separate_stencil);
292 assert(stencil_irb->Base.Format == MESA_FORMAT_S8);
295 OUT_BATCH(_3DSTATE_DEPTH_BUFFER << 16 | (len - 2));
296 OUT_BATCH((BRW_DEPTHFORMAT_D32_FLOAT << 18) |
297 (1 << 21) | /* separate stencil enable */
298 (1 << 22) | /* hiz enable */
299 (BRW_TILEWALK_YMAJOR << 26) |
300 (BRW_SURFACE_2D << 29));
302 OUT_BATCH(((stencil_irb->region->width - 1) << 6) |
303 (2 * stencil_irb->region->height - 1) << 19);
313 struct intel_region *region = depth_irb->region;
315 uint32_t tile_x, tile_y, offset;
317 /* If using separate stencil, hiz must be enabled. */
318 assert(!stencil_irb || hiz_region);
320 switch (region->cpp) {
322 format = BRW_DEPTHFORMAT_D16_UNORM;
325 if (intel->depth_buffer_is_float)
326 format = BRW_DEPTHFORMAT_D32_FLOAT;
328 format = BRW_DEPTHFORMAT_D24_UNORM_X8_UINT;
330 format = BRW_DEPTHFORMAT_D24_UNORM_S8_UINT;
337 offset = intel_renderbuffer_tile_offsets(depth_irb, &tile_x, &tile_y);
339 assert(intel->gen < 6 || region->tiling == I915_TILING_Y);
340 assert(!hiz_region || region->tiling == I915_TILING_Y);
343 OUT_BATCH(_3DSTATE_DEPTH_BUFFER << 16 | (len - 2));
344 OUT_BATCH(((region->pitch * region->cpp) - 1) |
346 ((hiz_region ? 1 : 0) << 21) | /* separate stencil enable */
347 ((hiz_region ? 1 : 0) << 22) | /* hiz enable */
348 (BRW_TILEWALK_YMAJOR << 26) |
349 ((region->tiling != I915_TILING_NONE) << 27) |
350 (BRW_SURFACE_2D << 29));
351 OUT_RELOC(region->buffer,
352 I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
354 OUT_BATCH((BRW_SURFACE_MIPMAPLAYOUT_BELOW << 1) |
355 ((region->width - 1) << 6) |
356 ((region->height - 1) << 19));
359 if (intel->is_g4x || intel->gen >= 5)
360 OUT_BATCH(tile_x | (tile_y << 16));
362 assert(tile_x == 0 && tile_y == 0);
370 if (hiz_region || stencil_irb) {
372 * In the 3DSTATE_DEPTH_BUFFER batch emitted above, the 'separate
373 * stencil enable' and 'hiz enable' bits were set. Therefore we must
374 * emit 3DSTATE_HIER_DEPTH_BUFFER and 3DSTATE_STENCIL_BUFFER. Even if
375 * there is no stencil buffer, 3DSTATE_STENCIL_BUFFER must be emitted;
376 * failure to do so causes hangs on gen5 and a stall on gen6.
379 /* Emit hiz buffer. */
382 OUT_BATCH((_3DSTATE_HIER_DEPTH_BUFFER << 16) | (3 - 2));
383 OUT_BATCH(hiz_region->pitch * hiz_region->cpp - 1);
384 OUT_RELOC(hiz_region->buffer,
385 I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
390 OUT_BATCH((_3DSTATE_HIER_DEPTH_BUFFER << 16) | (3 - 2));
396 /* Emit stencil buffer. */
399 OUT_BATCH((_3DSTATE_STENCIL_BUFFER << 16) | (3 - 2));
400 OUT_BATCH(stencil_irb->region->pitch * stencil_irb->region->cpp - 1);
401 OUT_RELOC(stencil_irb->region->buffer,
402 I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
407 OUT_BATCH((_3DSTATE_STENCIL_BUFFER << 16) | (3 - 2));
415 * On Gen >= 6, emit clear params for safety. If using hiz, then clear
416 * params must be emitted.
418 * From Section 2.11.5.6.4.1 3DSTATE_CLEAR_PARAMS:
419 * 3DSTATE_CLEAR_PARAMS packet must follow the DEPTH_BUFFER_STATE packet
420 * when HiZ is enabled and the DEPTH_BUFFER_STATE changes.
422 if (intel->gen >= 6 || hiz_region) {
424 intel_emit_post_sync_nonzero_flush(intel);
427 OUT_BATCH(_3DSTATE_CLEAR_PARAMS << 16 | (2 - 2));
433 const struct brw_tracked_state brw_depthbuffer = {
435 .mesa = _NEW_BUFFERS,
436 .brw = BRW_NEW_BATCH,
439 .prepare = prepare_depthbuffer,
440 .emit = emit_depthbuffer,
445 /***********************************************************************
446 * Polygon stipple packet
449 static void upload_polygon_stipple(struct brw_context *brw)
451 struct intel_context *intel = &brw->intel;
452 struct gl_context *ctx = &brw->intel.ctx;
456 if (!ctx->Polygon.StippleFlag)
460 intel_emit_post_sync_nonzero_flush(intel);
463 OUT_BATCH(_3DSTATE_POLY_STIPPLE_PATTERN << 16 | (33 - 2));
465 /* Polygon stipple is provided in OpenGL order, i.e. bottom
466 * row first. If we're rendering to a window (i.e. the
467 * default frame buffer object, 0), then we need to invert
468 * it to match our pixel layout. But if we're rendering
469 * to a FBO (i.e. any named frame buffer object), we *don't*
470 * need to invert - we already match the layout.
472 if (ctx->DrawBuffer->Name == 0) {
473 for (i = 0; i < 32; i++)
474 OUT_BATCH(ctx->PolygonStipple[31 - i]); /* invert */
477 for (i = 0; i < 32; i++)
478 OUT_BATCH(ctx->PolygonStipple[i]);
483 const struct brw_tracked_state brw_polygon_stipple = {
485 .mesa = (_NEW_POLYGONSTIPPLE |
487 .brw = BRW_NEW_CONTEXT,
490 .emit = upload_polygon_stipple
494 /***********************************************************************
495 * Polygon stipple offset packet
498 static void upload_polygon_stipple_offset(struct brw_context *brw)
500 struct intel_context *intel = &brw->intel;
501 struct gl_context *ctx = &brw->intel.ctx;
504 if (!ctx->Polygon.StippleFlag)
508 intel_emit_post_sync_nonzero_flush(intel);
511 OUT_BATCH(_3DSTATE_POLY_STIPPLE_OFFSET << 16 | (2-2));
515 * If we're drawing to a system window (ctx->DrawBuffer->Name == 0),
516 * we have to invert the Y axis in order to match the OpenGL
517 * pixel coordinate system, and our offset must be matched
518 * to the window position. If we're drawing to a FBO
519 * (ctx->DrawBuffer->Name != 0), then our native pixel coordinate
520 * system works just fine, and there's no window system to
523 if (brw->intel.ctx.DrawBuffer->Name == 0)
524 OUT_BATCH((32 - (ctx->DrawBuffer->Height & 31)) & 31);
530 const struct brw_tracked_state brw_polygon_stipple_offset = {
532 .mesa = (_NEW_BUFFERS |
534 .brw = BRW_NEW_CONTEXT,
537 .emit = upload_polygon_stipple_offset
540 /**********************************************************************
543 static void upload_aa_line_parameters(struct brw_context *brw)
545 struct intel_context *intel = &brw->intel;
546 struct gl_context *ctx = &brw->intel.ctx;
548 if (!ctx->Line.SmoothFlag || !brw->has_aa_line_parameters)
552 intel_emit_post_sync_nonzero_flush(intel);
554 OUT_BATCH(_3DSTATE_AA_LINE_PARAMETERS << 16 | (3 - 2));
555 /* use legacy aa line coverage computation */
561 const struct brw_tracked_state brw_aa_line_parameters = {
564 .brw = BRW_NEW_CONTEXT,
567 .emit = upload_aa_line_parameters
570 /***********************************************************************
571 * Line stipple packet
574 static void upload_line_stipple(struct brw_context *brw)
576 struct intel_context *intel = &brw->intel;
577 struct gl_context *ctx = &brw->intel.ctx;
581 if (!ctx->Line.StippleFlag)
585 intel_emit_post_sync_nonzero_flush(intel);
588 OUT_BATCH(_3DSTATE_LINE_STIPPLE_PATTERN << 16 | (3 - 2));
589 OUT_BATCH(ctx->Line.StipplePattern);
590 tmp = 1.0 / (GLfloat) ctx->Line.StippleFactor;
591 tmpi = tmp * (1<<13);
592 OUT_BATCH(tmpi << 16 | ctx->Line.StippleFactor);
596 const struct brw_tracked_state brw_line_stipple = {
599 .brw = BRW_NEW_CONTEXT,
602 .emit = upload_line_stipple
606 /***********************************************************************
607 * Misc invarient state packets
610 static void upload_invarient_state( struct brw_context *brw )
612 struct intel_context *intel = &brw->intel;
614 /* 3DSTATE_SIP, 3DSTATE_MULTISAMPLE, etc. are nonpipelined. */
616 intel_emit_post_sync_nonzero_flush(intel);
619 /* 0x61040000 Pipeline Select */
620 /* PipelineSelect : 0 */
621 struct brw_pipeline_select ps;
623 memset(&ps, 0, sizeof(ps));
624 ps.header.opcode = brw->CMD_PIPELINE_SELECT;
625 ps.header.pipeline_select = 0;
626 BRW_BATCH_STRUCT(brw, &ps);
629 if (intel->gen < 6) {
630 struct brw_global_depth_offset_clamp gdo;
631 memset(&gdo, 0, sizeof(gdo));
633 /* Disable depth offset clamping.
635 gdo.header.opcode = _3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP;
636 gdo.header.length = sizeof(gdo)/4 - 2;
637 gdo.depth_offset_clamp = 0.0;
639 BRW_BATCH_STRUCT(brw, &gdo);
642 if (intel->gen >= 6) {
644 int len = intel->gen >= 7 ? 4 : 3;
647 OUT_BATCH(_3DSTATE_MULTISAMPLE << 16 | (len - 2));
648 OUT_BATCH(MS_PIXEL_LOCATION_CENTER |
650 OUT_BATCH(0); /* positions for 4/8-sample */
656 OUT_BATCH(_3DSTATE_SAMPLE_MASK << 16 | (2 - 2));
660 if (intel->gen < 7) {
661 for (i = 0; i < 4; i++) {
663 OUT_BATCH(_3DSTATE_GS_SVB_INDEX << 16 | (4 - 2));
664 OUT_BATCH(i << SVB_INDEX_SHIFT);
666 OUT_BATCH(0xffffffff);
672 /* 0x61020000 State Instruction Pointer */
674 struct brw_system_instruction_pointer sip;
675 memset(&sip, 0, sizeof(sip));
677 sip.header.opcode = CMD_STATE_INSN_POINTER;
678 sip.header.length = 0;
680 sip.bits0.system_instruction_pointer = 0;
682 BRW_BATCH_STRUCT(brw, &sip);
687 struct brw_vf_statistics vfs;
688 memset(&vfs, 0, sizeof(vfs));
690 vfs.opcode = brw->CMD_VF_STATISTICS;
691 if (unlikely(INTEL_DEBUG & DEBUG_STATS))
692 vfs.statistics_enable = 1;
694 BRW_BATCH_STRUCT(brw, &vfs);
698 const struct brw_tracked_state brw_invarient_state = {
701 .brw = BRW_NEW_CONTEXT,
704 .emit = upload_invarient_state
708 * Define the base addresses which some state is referenced from.
710 * This allows us to avoid having to emit relocations for the objects,
711 * and is actually required for binding table pointers on gen6.
713 * Surface state base address covers binding table pointers and
714 * surface state objects, but not the surfaces that the surface state
717 static void upload_state_base_address( struct brw_context *brw )
719 struct intel_context *intel = &brw->intel;
721 /* FINISHME: According to section 3.6.1 "STATE_BASE_ADDRESS" of
722 * vol1a of the G45 PRM, MI_FLUSH with the ISC invalidate should be
723 * programmed prior to STATE_BASE_ADDRESS.
725 * However, given that the instruction SBA (general state base
726 * address) on this chipset is always set to 0 across X and GL,
727 * maybe this isn't required for us in particular.
730 if (intel->gen >= 6) {
732 intel_emit_post_sync_nonzero_flush(intel);
735 OUT_BATCH(CMD_STATE_BASE_ADDRESS << 16 | (10 - 2));
736 /* General state base address: stateless DP read/write requests */
738 /* Surface state base address:
739 * BINDING_TABLE_STATE
742 OUT_RELOC(intel->batch.bo, I915_GEM_DOMAIN_SAMPLER, 0, 1);
743 /* Dynamic state base address:
745 * SAMPLER_BORDER_COLOR_STATE
746 * CLIP, SF, WM/CC viewport state
748 * DEPTH_STENCIL_STATE
750 * Push constants (when INSTPM: CONSTANT_BUFFER Address Offset
751 * Disable is clear, which we rely on)
753 OUT_RELOC(intel->batch.bo, (I915_GEM_DOMAIN_RENDER |
754 I915_GEM_DOMAIN_INSTRUCTION), 0, 1);
756 OUT_BATCH(1); /* Indirect object base address: MEDIA_OBJECT data */
757 OUT_RELOC(brw->cache.bo, I915_GEM_DOMAIN_INSTRUCTION, 0,
758 1); /* Instruction base address: shader kernels (incl. SIP) */
760 OUT_BATCH(1); /* General state upper bound */
761 OUT_BATCH(1); /* Dynamic state upper bound */
762 OUT_BATCH(1); /* Indirect object upper bound */
763 OUT_BATCH(1); /* Instruction access upper bound */
765 } else if (intel->gen == 5) {
767 OUT_BATCH(CMD_STATE_BASE_ADDRESS << 16 | (8 - 2));
768 OUT_BATCH(1); /* General state base address */
769 OUT_RELOC(intel->batch.bo, I915_GEM_DOMAIN_SAMPLER, 0,
770 1); /* Surface state base address */
771 OUT_BATCH(1); /* Indirect object base address */
772 OUT_RELOC(brw->cache.bo, I915_GEM_DOMAIN_INSTRUCTION, 0,
773 1); /* Instruction base address */
774 OUT_BATCH(1); /* General state upper bound */
775 OUT_BATCH(1); /* Indirect object upper bound */
776 OUT_BATCH(1); /* Instruction access upper bound */
780 OUT_BATCH(CMD_STATE_BASE_ADDRESS << 16 | (6 - 2));
781 OUT_BATCH(1); /* General state base address */
782 OUT_RELOC(intel->batch.bo, I915_GEM_DOMAIN_SAMPLER, 0,
783 1); /* Surface state base address */
784 OUT_BATCH(1); /* Indirect object base address */
785 OUT_BATCH(1); /* General state upper bound */
786 OUT_BATCH(1); /* Indirect object upper bound */
790 /* According to section 3.6.1 of VOL1 of the 965 PRM,
791 * STATE_BASE_ADDRESS updates require a reissue of:
793 * 3DSTATE_PIPELINE_POINTERS
794 * 3DSTATE_BINDING_TABLE_POINTERS
795 * MEDIA_STATE_POINTERS
797 * and this continues through Ironlake. The Sandy Bridge PRM, vol
798 * 1 part 1 says that the folowing packets must be reissued:
800 * 3DSTATE_CC_POINTERS
801 * 3DSTATE_BINDING_TABLE_POINTERS
802 * 3DSTATE_SAMPLER_STATE_POINTERS
803 * 3DSTATE_VIEWPORT_STATE_POINTERS
804 * MEDIA_STATE_POINTERS
806 * Those are always reissued following SBA updates anyway (new
807 * batch time), except in the case of the program cache BO
808 * changing. Having a separate state flag makes the sequence more
812 brw->state.dirty.brw |= BRW_NEW_STATE_BASE_ADDRESS;
815 const struct brw_tracked_state brw_state_base_address = {
818 .brw = (BRW_NEW_BATCH |
819 BRW_NEW_PROGRAM_CACHE),
822 .emit = upload_state_base_address