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;
186 if (region == NULL) {
187 BEGIN_BATCH(5, IGNORE_CLIPRECTS);
188 OUT_BATCH(CMD_DEPTH_BUFFER << 16 | (5 - 2));
189 OUT_BATCH((BRW_DEPTHFORMAT_D32_FLOAT << 18) |
190 (BRW_SURFACE_NULL << 29));
198 switch (region->cpp) {
200 format = BRW_DEPTHFORMAT_D16_UNORM;
203 if (intel->depth_buffer_is_float)
204 format = BRW_DEPTHFORMAT_D32_FLOAT;
206 format = BRW_DEPTHFORMAT_D24_UNORM_S8_UINT;
213 BEGIN_BATCH(5, IGNORE_CLIPRECTS);
214 OUT_BATCH(CMD_DEPTH_BUFFER << 16 | (5 - 2));
215 OUT_BATCH(((region->pitch * region->cpp) - 1) |
217 (BRW_TILEWALK_YMAJOR << 26) |
218 (region->tiled << 27) |
219 (BRW_SURFACE_2D << 29));
220 OUT_RELOC(region->buffer,
221 DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0);
222 OUT_BATCH((BRW_SURFACE_MIPMAPLAYOUT_BELOW << 1) |
223 ((region->pitch - 1) << 6) |
224 ((region->height - 1) << 19));
230 const struct brw_tracked_state brw_depthbuffer = {
233 .brw = BRW_NEW_DEPTH_BUFFER | BRW_NEW_BATCH,
236 .update = upload_depthbuffer,
241 /***********************************************************************
242 * Polygon stipple packet
245 static void upload_polygon_stipple(struct brw_context *brw)
247 struct brw_polygon_stipple bps;
250 memset(&bps, 0, sizeof(bps));
251 bps.header.opcode = CMD_POLY_STIPPLE_PATTERN;
252 bps.header.length = sizeof(bps)/4-2;
254 for (i = 0; i < 32; i++)
255 bps.stipple[i] = brw->attribs.PolygonStipple[31 - i]; /* invert */
257 BRW_CACHED_BATCH_STRUCT(brw, &bps);
260 const struct brw_tracked_state brw_polygon_stipple = {
262 .mesa = _NEW_POLYGONSTIPPLE,
266 .update = upload_polygon_stipple
270 /***********************************************************************
271 * Polygon stipple offset packet
274 static void upload_polygon_stipple_offset(struct brw_context *brw)
276 __DRIdrawablePrivate *dPriv = brw->intel.driDrawable;
277 struct brw_polygon_stipple_offset bpso;
279 memset(&bpso, 0, sizeof(bpso));
280 bpso.header.opcode = CMD_POLY_STIPPLE_OFFSET;
281 bpso.header.length = sizeof(bpso)/4-2;
283 bpso.bits0.x_offset = (32 - (dPriv->x & 31)) & 31;
284 bpso.bits0.y_offset = (32 - ((dPriv->y + dPriv->h) & 31)) & 31;
286 BRW_CACHED_BATCH_STRUCT(brw, &bpso);
289 const struct brw_tracked_state brw_polygon_stipple_offset = {
291 .mesa = _NEW_WINDOW_POS,
295 .update = upload_polygon_stipple_offset
298 /***********************************************************************
299 * Line stipple packet
302 static void upload_line_stipple(struct brw_context *brw)
304 struct brw_line_stipple bls;
308 memset(&bls, 0, sizeof(bls));
309 bls.header.opcode = CMD_LINE_STIPPLE_PATTERN;
310 bls.header.length = sizeof(bls)/4 - 2;
312 bls.bits0.pattern = brw->attribs.Line->StipplePattern;
313 bls.bits1.repeat_count = brw->attribs.Line->StippleFactor;
315 tmp = 1.0 / (GLfloat) brw->attribs.Line->StippleFactor;
316 tmpi = tmp * (1<<13);
319 bls.bits1.inverse_repeat_count = tmpi;
321 BRW_CACHED_BATCH_STRUCT(brw, &bls);
324 const struct brw_tracked_state brw_line_stipple = {
330 .update = upload_line_stipple
335 /***********************************************************************
336 * Misc constant state packets
339 static void upload_pipe_control(struct brw_context *brw)
341 struct brw_pipe_control pc;
345 memset(&pc, 0, sizeof(pc));
347 pc.header.opcode = CMD_PIPE_CONTROL;
348 pc.header.length = sizeof(pc)/4 - 2;
349 pc.header.post_sync_operation = PIPE_CONTROL_NOWRITE;
351 pc.header.instruction_state_cache_flush_enable = 1;
353 pc.bits1.dest_addr_type = PIPE_CONTROL_GTTWRITE_GLOBAL;
355 BRW_BATCH_STRUCT(brw, &pc);
358 const struct brw_tracked_state brw_pipe_control = {
361 .brw = BRW_NEW_CONTEXT,
364 .update = upload_pipe_control
368 /***********************************************************************
369 * Misc invarient state packets
372 static void upload_invarient_state( struct brw_context *brw )
375 /* 0x61040000 Pipeline Select */
376 /* PipelineSelect : 0 */
377 struct brw_pipeline_select ps;
379 memset(&ps, 0, sizeof(ps));
380 ps.header.opcode = CMD_PIPELINE_SELECT;
381 ps.header.pipeline_select = 0;
382 BRW_BATCH_STRUCT(brw, &ps);
386 struct brw_global_depth_offset_clamp gdo;
387 memset(&gdo, 0, sizeof(gdo));
389 /* Disable depth offset clamping.
391 gdo.header.opcode = CMD_GLOBAL_DEPTH_OFFSET_CLAMP;
392 gdo.header.length = sizeof(gdo)/4 - 2;
393 gdo.depth_offset_clamp = 0.0;
395 BRW_BATCH_STRUCT(brw, &gdo);
399 /* 0x61020000 State Instruction Pointer */
401 struct brw_system_instruction_pointer sip;
402 memset(&sip, 0, sizeof(sip));
404 sip.header.opcode = CMD_STATE_INSN_POINTER;
405 sip.header.length = 0;
407 sip.bits0.system_instruction_pointer = 0;
408 BRW_BATCH_STRUCT(brw, &sip);
413 struct brw_vf_statistics vfs;
414 memset(&vfs, 0, sizeof(vfs));
416 vfs.opcode = CMD_VF_STATISTICS;
417 if (INTEL_DEBUG & DEBUG_STATS)
418 vfs.statistics_enable = 1;
420 BRW_BATCH_STRUCT(brw, &vfs);
424 const struct brw_tracked_state brw_invarient_state = {
427 .brw = BRW_NEW_CONTEXT,
430 .update = upload_invarient_state
434 * Define the base addresses which some state is referenced from.
436 * This allows us to avoid having to emit relocations in many places for
437 * cached state, and instead emit pointers inside of large, mostly-static
438 * state pools. This comes at the expense of memory, and more expensive cache
441 static void upload_state_base_address( struct brw_context *brw )
443 struct intel_context *intel = &brw->intel;
445 /* Output the structure (brw_state_base_address) directly to the
446 * batchbuffer, so we can emit relocations inline.
448 BEGIN_BATCH(6, IGNORE_CLIPRECTS);
449 OUT_BATCH(CMD_STATE_BASE_ADDRESS << 16 | (6 - 2));
450 OUT_BATCH(1); /* General state base address */
451 OUT_BATCH(1); /* Surface state base address */
452 OUT_BATCH(1); /* Indirect object base address */
453 OUT_BATCH(1); /* General state upper bound */
454 OUT_BATCH(1); /* Indirect object upper bound */
458 const struct brw_tracked_state brw_state_base_address = {
461 .brw = BRW_NEW_CONTEXT,
464 .update = upload_state_base_address