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_regions.h"
37 #include "brw_context.h"
38 #include "brw_state.h"
39 #include "brw_defines.h"
45 /***********************************************************************
49 static void upload_blend_constant_color(struct brw_context *brw)
51 struct brw_blend_constant_color bcc;
53 memset(&bcc, 0, sizeof(bcc));
54 bcc.header.opcode = CMD_BLEND_CONSTANT_COLOR;
55 bcc.header.length = sizeof(bcc)/4-2;
56 bcc.blend_constant_color[0] = brw->attribs.Color->BlendColor[0];
57 bcc.blend_constant_color[1] = brw->attribs.Color->BlendColor[1];
58 bcc.blend_constant_color[2] = brw->attribs.Color->BlendColor[2];
59 bcc.blend_constant_color[3] = brw->attribs.Color->BlendColor[3];
61 BRW_CACHED_BATCH_STRUCT(brw, &bcc);
65 const struct brw_tracked_state brw_blend_constant_color = {
71 .update = upload_blend_constant_color
75 * Upload the binding table pointers, which point each stage's array of surface
78 * The binding table pointers are relative to the surface state base address,
81 static void upload_binding_table_pointers(struct brw_context *brw)
83 struct intel_context *intel = &brw->intel;
85 BEGIN_BATCH(6, IGNORE_CLIPRECTS);
86 OUT_BATCH(CMD_BINDING_TABLE_PTRS << 16 | (6 - 2));
87 OUT_BATCH(0); /* vs */
88 OUT_BATCH(0); /* gs */
89 OUT_BATCH(0); /* clip */
90 OUT_BATCH(0); /* sf */
91 OUT_RELOC(brw->wm.bind_bo, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, 0);
95 const struct brw_tracked_state brw_binding_table_pointers = {
99 .cache = CACHE_NEW_SURF_BIND,
101 .update = upload_binding_table_pointers,
106 * Upload pointers to the per-stage state.
108 * The state pointers in this packet are all relative to the general state
109 * base address set by CMD_STATE_BASE_ADDRESS, which is 0.
111 static void upload_pipelined_state_pointers(struct brw_context *brw )
113 struct intel_context *intel = &brw->intel;
115 BEGIN_BATCH(7, IGNORE_CLIPRECTS);
116 OUT_BATCH(CMD_PIPELINED_STATE_POINTERS << 16 | (7 - 2));
117 OUT_RELOC(brw->vs.state_bo, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, 0);
118 if (brw->gs.prog_active)
119 OUT_RELOC(brw->gs.state_bo, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, 1);
122 if (!brw->metaops.active)
123 OUT_RELOC(brw->clip.state_bo, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, 1);
126 OUT_RELOC(brw->sf.state_bo, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, 0);
127 OUT_RELOC(brw->wm.state_bo, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, 0);
128 OUT_RELOC(brw->cc.state_bo, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, 0);
131 brw->state.dirty.brw |= BRW_NEW_PSP;
135 /* Combined into brw_psp_urb_cbs */
136 const struct brw_tracked_state brw_pipelined_state_pointers = {
139 .brw = BRW_NEW_METAOPS | BRW_NEW_BATCH,
140 .cache = (CACHE_NEW_VS_UNIT |
143 CACHE_NEW_CLIP_UNIT |
148 .update = upload_pipelined_state_pointers
152 static void upload_psp_urb_cbs(struct brw_context *brw )
154 upload_pipelined_state_pointers(brw);
155 brw_upload_urb_fence(brw);
156 brw_upload_constant_buffer_state(brw);
160 const struct brw_tracked_state brw_psp_urb_cbs = {
163 .brw = BRW_NEW_URB_FENCE | BRW_NEW_METAOPS | BRW_NEW_BATCH,
164 .cache = (CACHE_NEW_VS_UNIT |
167 CACHE_NEW_CLIP_UNIT |
172 .update = upload_psp_urb_cbs,
176 * Upload the depthbuffer offset and format.
178 * We have to do this per state validation as we need to emit the relocation
179 * in the batch buffer.
181 static void upload_depthbuffer(struct brw_context *brw)
183 struct intel_context *intel = &brw->intel;
184 struct intel_region *region = brw->state.depth_region;
185 unsigned int len = BRW_IS_IGD(brw) ? sizeof(struct brw_depthbuffer_igd) / 4 : sizeof(struct brw_depthbuffer) / 4;
187 if (region == NULL) {
188 BEGIN_BATCH(len, IGNORE_CLIPRECTS);
189 OUT_BATCH(CMD_DEPTH_BUFFER << 16 | (len - 2));
190 OUT_BATCH((BRW_DEPTHFORMAT_D32_FLOAT << 18) |
191 (BRW_SURFACE_NULL << 29));
203 switch (region->cpp) {
205 format = BRW_DEPTHFORMAT_D16_UNORM;
208 if (intel->depth_buffer_is_float)
209 format = BRW_DEPTHFORMAT_D32_FLOAT;
211 format = BRW_DEPTHFORMAT_D24_UNORM_S8_UINT;
218 BEGIN_BATCH(len, IGNORE_CLIPRECTS);
219 OUT_BATCH(CMD_DEPTH_BUFFER << 16 | (len - 2));
220 OUT_BATCH(((region->pitch * region->cpp) - 1) |
222 (BRW_TILEWALK_YMAJOR << 26) |
223 (region->tiled << 27) |
224 (BRW_SURFACE_2D << 29));
225 OUT_RELOC(region->buffer,
226 DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0);
227 OUT_BATCH((BRW_SURFACE_MIPMAPLAYOUT_BELOW << 1) |
228 ((region->pitch - 1) << 6) |
229 ((region->height - 1) << 19));
239 const struct brw_tracked_state brw_depthbuffer = {
242 .brw = BRW_NEW_DEPTH_BUFFER | BRW_NEW_BATCH,
245 .update = upload_depthbuffer,
250 /***********************************************************************
251 * Polygon stipple packet
254 static void upload_polygon_stipple(struct brw_context *brw)
256 struct brw_polygon_stipple bps;
259 memset(&bps, 0, sizeof(bps));
260 bps.header.opcode = CMD_POLY_STIPPLE_PATTERN;
261 bps.header.length = sizeof(bps)/4-2;
263 for (i = 0; i < 32; i++)
264 bps.stipple[i] = brw->attribs.PolygonStipple[31 - i]; /* invert */
266 BRW_CACHED_BATCH_STRUCT(brw, &bps);
269 const struct brw_tracked_state brw_polygon_stipple = {
271 .mesa = _NEW_POLYGONSTIPPLE,
275 .update = upload_polygon_stipple
279 /***********************************************************************
280 * Polygon stipple offset packet
283 static void upload_polygon_stipple_offset(struct brw_context *brw)
285 __DRIdrawablePrivate *dPriv = brw->intel.driDrawable;
286 struct brw_polygon_stipple_offset bpso;
288 memset(&bpso, 0, sizeof(bpso));
289 bpso.header.opcode = CMD_POLY_STIPPLE_OFFSET;
290 bpso.header.length = sizeof(bpso)/4-2;
292 bpso.bits0.x_offset = (32 - (dPriv->x & 31)) & 31;
293 bpso.bits0.y_offset = (32 - ((dPriv->y + dPriv->h) & 31)) & 31;
295 BRW_CACHED_BATCH_STRUCT(brw, &bpso);
298 const struct brw_tracked_state brw_polygon_stipple_offset = {
300 .mesa = _NEW_WINDOW_POS,
304 .update = upload_polygon_stipple_offset
307 /**********************************************************************
310 static void upload_aa_line_parameters(struct brw_context *brw)
312 struct brw_aa_line_parameters balp;
314 if (!BRW_IS_IGD(brw))
317 /* use legacy aa line coverage computation */
318 memset(&balp, 0, sizeof(balp));
319 balp.header.opcode = CMD_AA_LINE_PARAMETERS;
320 balp.header.length = sizeof(balp) / 4 - 2;
322 BRW_CACHED_BATCH_STRUCT(brw, &balp);
325 const struct brw_tracked_state brw_aa_line_parameters = {
328 .brw = BRW_NEW_CONTEXT,
331 .update = upload_aa_line_parameters
334 /***********************************************************************
335 * Line stipple packet
338 static void upload_line_stipple(struct brw_context *brw)
340 struct brw_line_stipple bls;
344 memset(&bls, 0, sizeof(bls));
345 bls.header.opcode = CMD_LINE_STIPPLE_PATTERN;
346 bls.header.length = sizeof(bls)/4 - 2;
348 bls.bits0.pattern = brw->attribs.Line->StipplePattern;
349 bls.bits1.repeat_count = brw->attribs.Line->StippleFactor;
351 tmp = 1.0 / (GLfloat) brw->attribs.Line->StippleFactor;
352 tmpi = tmp * (1<<13);
355 bls.bits1.inverse_repeat_count = tmpi;
357 BRW_CACHED_BATCH_STRUCT(brw, &bls);
360 const struct brw_tracked_state brw_line_stipple = {
366 .update = upload_line_stipple
371 /***********************************************************************
372 * Misc constant state packets
375 static void upload_pipe_control(struct brw_context *brw)
377 struct brw_pipe_control pc;
381 memset(&pc, 0, sizeof(pc));
383 pc.header.opcode = CMD_PIPE_CONTROL;
384 pc.header.length = sizeof(pc)/4 - 2;
385 pc.header.post_sync_operation = PIPE_CONTROL_NOWRITE;
387 pc.header.instruction_state_cache_flush_enable = 1;
389 pc.bits1.dest_addr_type = PIPE_CONTROL_GTTWRITE_GLOBAL;
391 BRW_BATCH_STRUCT(brw, &pc);
394 const struct brw_tracked_state brw_pipe_control = {
397 .brw = BRW_NEW_CONTEXT,
400 .update = upload_pipe_control
404 /***********************************************************************
405 * Misc invarient state packets
408 static void upload_invarient_state( struct brw_context *brw )
411 /* 0x61040000 Pipeline Select */
412 /* PipelineSelect : 0 */
413 struct brw_pipeline_select ps;
415 memset(&ps, 0, sizeof(ps));
416 ps.header.opcode = CMD_PIPELINE_SELECT(brw);
417 ps.header.pipeline_select = 0;
418 BRW_BATCH_STRUCT(brw, &ps);
422 struct brw_global_depth_offset_clamp gdo;
423 memset(&gdo, 0, sizeof(gdo));
425 /* Disable depth offset clamping.
427 gdo.header.opcode = CMD_GLOBAL_DEPTH_OFFSET_CLAMP;
428 gdo.header.length = sizeof(gdo)/4 - 2;
429 gdo.depth_offset_clamp = 0.0;
431 BRW_BATCH_STRUCT(brw, &gdo);
435 /* 0x61020000 State Instruction Pointer */
437 struct brw_system_instruction_pointer sip;
438 memset(&sip, 0, sizeof(sip));
440 sip.header.opcode = CMD_STATE_INSN_POINTER;
441 sip.header.length = 0;
443 sip.bits0.system_instruction_pointer = 0;
444 BRW_BATCH_STRUCT(brw, &sip);
449 struct brw_vf_statistics vfs;
450 memset(&vfs, 0, sizeof(vfs));
452 vfs.opcode = CMD_VF_STATISTICS(brw);
453 if (INTEL_DEBUG & DEBUG_STATS)
454 vfs.statistics_enable = 1;
456 BRW_BATCH_STRUCT(brw, &vfs);
460 const struct brw_tracked_state brw_invarient_state = {
463 .brw = BRW_NEW_CONTEXT,
466 .update = upload_invarient_state
470 * Define the base addresses which some state is referenced from.
472 * This allows us to avoid having to emit relocations in many places for
473 * cached state, and instead emit pointers inside of large, mostly-static
474 * state pools. This comes at the expense of memory, and more expensive cache
477 static void upload_state_base_address( struct brw_context *brw )
479 struct intel_context *intel = &brw->intel;
481 /* Output the structure (brw_state_base_address) directly to the
482 * batchbuffer, so we can emit relocations inline.
484 BEGIN_BATCH(6, IGNORE_CLIPRECTS);
485 OUT_BATCH(CMD_STATE_BASE_ADDRESS << 16 | (6 - 2));
486 OUT_BATCH(1); /* General state base address */
487 OUT_BATCH(1); /* Surface state base address */
488 OUT_BATCH(1); /* Indirect object base address */
489 OUT_BATCH(1); /* General state upper bound */
490 OUT_BATCH(1); /* Indirect object upper bound */
494 const struct brw_tracked_state brw_state_base_address = {
497 .brw = BRW_NEW_CONTEXT,
500 .update = upload_state_base_address