2 Copyright (C) Intel Corp. 2006. All Rights Reserved.
3 Intel funded Tungsten Graphics 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 <keithw@vmware.com>
33 #include "main/imports.h"
34 #include "program/prog_parameter.h"
35 #include "program/prog_print.h"
36 #include "program/prog_to_nir.h"
37 #include "program/program.h"
38 #include "program/programopt.h"
40 #include "util/ralloc.h"
41 #include "compiler/glsl/ir.h"
42 #include "compiler/glsl/glsl_to_nir.h"
44 #include "brw_program.h"
45 #include "brw_context.h"
46 #include "compiler/brw_nir.h"
47 #include "brw_defines.h"
48 #include "intel_batchbuffer.h"
51 brw_nir_lower_uniforms(nir_shader
*nir
, bool is_scalar
)
54 nir_assign_var_locations(&nir
->uniforms
, &nir
->num_uniforms
,
55 type_size_scalar_bytes
);
56 return nir_lower_io(nir
, nir_var_uniform
, type_size_scalar_bytes
, 0);
58 nir_assign_var_locations(&nir
->uniforms
, &nir
->num_uniforms
,
59 type_size_vec4_bytes
);
60 return nir_lower_io(nir
, nir_var_uniform
, type_size_vec4_bytes
, 0);
65 brw_create_nir(struct brw_context
*brw
,
66 const struct gl_shader_program
*shader_prog
,
67 struct gl_program
*prog
,
68 gl_shader_stage stage
,
71 struct gl_context
*ctx
= &brw
->ctx
;
72 const nir_shader_compiler_options
*options
=
73 ctx
->Const
.ShaderCompilerOptions
[stage
].NirOptions
;
77 /* First, lower the GLSL IR or Mesa IR to NIR */
79 nir
= glsl_to_nir(shader_prog
, stage
, options
);
80 nir_remove_dead_variables(nir
, nir_var_shader_in
| nir_var_shader_out
);
81 nir_lower_returns(nir
);
82 nir_validate_shader(nir
);
83 NIR_PASS_V(nir
, nir_lower_io_to_temporaries
,
84 nir_shader_get_entrypoint(nir
), true, false);
86 nir
= prog_to_nir(prog
, options
);
87 NIR_PASS_V(nir
, nir_lower_regs_to_ssa
); /* turn registers into SSA */
89 nir_validate_shader(nir
);
93 nir
= brw_preprocess_nir(brw
->screen
->compiler
, nir
);
95 if (stage
== MESA_SHADER_FRAGMENT
) {
96 static const struct nir_lower_wpos_ytransform_options wpos_options
= {
97 .state_tokens
= {STATE_INTERNAL
, STATE_FB_WPOS_Y_TRANSFORM
, 0, 0, 0},
98 .fs_coord_pixel_center_integer
= 1,
99 .fs_coord_origin_upper_left
= 1,
101 _mesa_add_state_reference(prog
->Parameters
,
102 (gl_state_index
*) wpos_options
.state_tokens
);
104 NIR_PASS(progress
, nir
, nir_lower_wpos_ytransform
, &wpos_options
);
107 NIR_PASS(progress
, nir
, nir_lower_system_values
);
108 NIR_PASS_V(nir
, brw_nir_lower_uniforms
, is_scalar
);
114 brw_shader_gather_info(nir_shader
*nir
, struct gl_program
*prog
)
116 nir_shader_gather_info(nir
, nir_shader_get_entrypoint(nir
));
118 /* Copy the info we just generated back into the gl_program */
119 const char *prog_name
= prog
->info
.name
;
120 const char *prog_label
= prog
->info
.label
;
121 prog
->info
= nir
->info
;
122 prog
->info
.name
= prog_name
;
123 prog
->info
.label
= prog_label
;
127 get_new_program_id(struct intel_screen
*screen
)
129 return p_atomic_inc_return(&screen
->program_id
);
132 static struct gl_program
*brwNewProgram(struct gl_context
*ctx
, GLenum target
,
133 GLuint id
, bool is_arb_asm
)
135 struct brw_context
*brw
= brw_context(ctx
);
136 struct brw_program
*prog
= rzalloc(NULL
, struct brw_program
);
139 prog
->id
= get_new_program_id(brw
->screen
);
141 return _mesa_init_gl_program(&prog
->program
, target
, id
, is_arb_asm
);
147 static void brwDeleteProgram( struct gl_context
*ctx
,
148 struct gl_program
*prog
)
150 struct brw_context
*brw
= brw_context(ctx
);
152 /* Beware! prog's refcount has reached zero, and it's about to be freed.
154 * In brw_upload_pipeline_state(), we compare brw->foo_program to
155 * ctx->FooProgram._Current, and flag BRW_NEW_FOO_PROGRAM if the
156 * pointer has changed.
158 * We cannot leave brw->foo_program as a dangling pointer to the dead
159 * program. malloc() may allocate the same memory for a new gl_program,
160 * causing us to see matching pointers...but totally different programs.
162 * We cannot set brw->foo_program to NULL, either. If we've deleted the
163 * active program, Mesa may set ctx->FooProgram._Current to NULL. That
164 * would cause us to see matching pointers (NULL == NULL), and fail to
165 * detect that a program has changed since our last draw.
167 * So, set it to a bogus gl_program pointer that will never match,
168 * causing us to properly reevaluate the state on our next draw.
170 * Getting this wrong causes heisenbugs which are very hard to catch,
171 * as you need a very specific allocation pattern to hit the problem.
173 static const struct gl_program deleted_program
;
175 if (brw
->vertex_program
== prog
)
176 brw
->vertex_program
= &deleted_program
;
178 if (brw
->tess_ctrl_program
== prog
)
179 brw
->tess_ctrl_program
= &deleted_program
;
181 if (brw
->tess_eval_program
== prog
)
182 brw
->tess_eval_program
= &deleted_program
;
184 if (brw
->geometry_program
== prog
)
185 brw
->geometry_program
= &deleted_program
;
187 if (brw
->fragment_program
== prog
)
188 brw
->fragment_program
= &deleted_program
;
190 if (brw
->compute_program
== prog
)
191 brw
->compute_program
= &deleted_program
;
193 _mesa_delete_program( ctx
, prog
);
198 brwProgramStringNotify(struct gl_context
*ctx
,
200 struct gl_program
*prog
)
202 assert(target
== GL_VERTEX_PROGRAM_ARB
|| !prog
->arb
.IsPositionInvariant
);
204 struct brw_context
*brw
= brw_context(ctx
);
205 const struct brw_compiler
*compiler
= brw
->screen
->compiler
;
208 case GL_FRAGMENT_PROGRAM_ARB
: {
209 struct brw_program
*newFP
= brw_program(prog
);
210 const struct brw_program
*curFP
=
211 brw_program_const(brw
->fragment_program
);
214 brw
->ctx
.NewDriverState
|= BRW_NEW_FRAGMENT_PROGRAM
;
215 newFP
->id
= get_new_program_id(brw
->screen
);
217 prog
->nir
= brw_create_nir(brw
, NULL
, prog
, MESA_SHADER_FRAGMENT
, true);
219 brw_shader_gather_info(prog
->nir
, prog
);
221 brw_fs_precompile(ctx
, prog
);
224 case GL_VERTEX_PROGRAM_ARB
: {
225 struct brw_program
*newVP
= brw_program(prog
);
226 const struct brw_program
*curVP
=
227 brw_program_const(brw
->vertex_program
);
230 brw
->ctx
.NewDriverState
|= BRW_NEW_VERTEX_PROGRAM
;
231 if (newVP
->program
.arb
.IsPositionInvariant
) {
232 _mesa_insert_mvp_code(ctx
, &newVP
->program
);
234 newVP
->id
= get_new_program_id(brw
->screen
);
236 /* Also tell tnl about it:
238 _tnl_program_string(ctx
, target
, prog
);
240 prog
->nir
= brw_create_nir(brw
, NULL
, prog
, MESA_SHADER_VERTEX
,
241 compiler
->scalar_stage
[MESA_SHADER_VERTEX
]);
243 brw_shader_gather_info(prog
->nir
, prog
);
245 brw_vs_precompile(ctx
, prog
);
250 * driver->ProgramStringNotify is only called for ARB programs, fixed
251 * function vertex programs, and ir_to_mesa (which isn't used by the
252 * i965 back-end). Therefore, even after geometry shaders are added,
253 * this function should only ever be called with a target of
254 * GL_VERTEX_PROGRAM_ARB or GL_FRAGMENT_PROGRAM_ARB.
256 unreachable("Unexpected target in brwProgramStringNotify");
263 brw_memory_barrier(struct gl_context
*ctx
, GLbitfield barriers
)
265 struct brw_context
*brw
= brw_context(ctx
);
266 const struct gen_device_info
*devinfo
= &brw
->screen
->devinfo
;
267 unsigned bits
= (PIPE_CONTROL_DATA_CACHE_FLUSH
|
268 PIPE_CONTROL_NO_WRITE
|
269 PIPE_CONTROL_CS_STALL
);
270 assert(devinfo
->gen
>= 7 && devinfo
->gen
<= 10);
272 if (barriers
& (GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT
|
273 GL_ELEMENT_ARRAY_BARRIER_BIT
|
274 GL_COMMAND_BARRIER_BIT
))
275 bits
|= PIPE_CONTROL_VF_CACHE_INVALIDATE
;
277 if (barriers
& GL_UNIFORM_BARRIER_BIT
)
278 bits
|= (PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE
|
279 PIPE_CONTROL_CONST_CACHE_INVALIDATE
);
281 if (barriers
& GL_TEXTURE_FETCH_BARRIER_BIT
)
282 bits
|= PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE
;
284 if (barriers
& GL_TEXTURE_UPDATE_BARRIER_BIT
)
285 bits
|= PIPE_CONTROL_RENDER_TARGET_FLUSH
;
287 if (barriers
& GL_FRAMEBUFFER_BARRIER_BIT
)
288 bits
|= (PIPE_CONTROL_DEPTH_CACHE_FLUSH
|
289 PIPE_CONTROL_RENDER_TARGET_FLUSH
);
291 /* Typed surface messages are handled by the render cache on IVB, so we
292 * need to flush it too.
294 if (devinfo
->gen
== 7 && !devinfo
->is_haswell
)
295 bits
|= PIPE_CONTROL_RENDER_TARGET_FLUSH
;
297 brw_emit_pipe_control_flush(brw
, bits
);
301 brw_blend_barrier(struct gl_context
*ctx
)
303 struct brw_context
*brw
= brw_context(ctx
);
304 const struct gen_device_info
*devinfo
= &brw
->screen
->devinfo
;
306 if (!ctx
->Extensions
.MESA_shader_framebuffer_fetch
) {
307 if (devinfo
->gen
>= 6) {
308 brw_emit_pipe_control_flush(brw
,
309 PIPE_CONTROL_RENDER_TARGET_FLUSH
|
310 PIPE_CONTROL_CS_STALL
);
311 brw_emit_pipe_control_flush(brw
,
312 PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE
);
314 brw_emit_pipe_control_flush(brw
,
315 PIPE_CONTROL_RENDER_TARGET_FLUSH
);
321 brw_get_scratch_bo(struct brw_context
*brw
,
322 struct brw_bo
**scratch_bo
, int size
)
324 struct brw_bo
*old_bo
= *scratch_bo
;
326 if (old_bo
&& old_bo
->size
< size
) {
327 brw_bo_unreference(old_bo
);
332 *scratch_bo
= brw_bo_alloc(brw
->bufmgr
, "scratch bo", size
, 4096);
337 * Reserve enough scratch space for the given stage to hold \p per_thread_size
338 * bytes times the given \p thread_count.
341 brw_alloc_stage_scratch(struct brw_context
*brw
,
342 struct brw_stage_state
*stage_state
,
343 unsigned per_thread_size
,
344 unsigned thread_count
)
346 if (stage_state
->per_thread_scratch
< per_thread_size
) {
347 stage_state
->per_thread_scratch
= per_thread_size
;
349 if (stage_state
->scratch_bo
)
350 brw_bo_unreference(stage_state
->scratch_bo
);
352 stage_state
->scratch_bo
=
353 brw_bo_alloc(brw
->bufmgr
, "shader scratch space",
354 per_thread_size
* thread_count
, 4096);
358 void brwInitFragProgFuncs( struct dd_function_table
*functions
)
360 assert(functions
->ProgramStringNotify
== _tnl_program_string
);
362 functions
->NewProgram
= brwNewProgram
;
363 functions
->DeleteProgram
= brwDeleteProgram
;
364 functions
->ProgramStringNotify
= brwProgramStringNotify
;
366 functions
->LinkShader
= brw_link_shader
;
368 functions
->MemoryBarrier
= brw_memory_barrier
;
369 functions
->BlendBarrier
= brw_blend_barrier
;
372 struct shader_times
{
379 brw_init_shader_time(struct brw_context
*brw
)
381 const int max_entries
= 2048;
382 brw
->shader_time
.bo
=
383 brw_bo_alloc(brw
->bufmgr
, "shader time",
384 max_entries
* BRW_SHADER_TIME_STRIDE
* 3, 4096);
385 brw
->shader_time
.names
= rzalloc_array(brw
, const char *, max_entries
);
386 brw
->shader_time
.ids
= rzalloc_array(brw
, int, max_entries
);
387 brw
->shader_time
.types
= rzalloc_array(brw
, enum shader_time_shader_type
,
389 brw
->shader_time
.cumulative
= rzalloc_array(brw
, struct shader_times
,
391 brw
->shader_time
.max_entries
= max_entries
;
395 compare_time(const void *a
, const void *b
)
397 uint64_t * const *a_val
= a
;
398 uint64_t * const *b_val
= b
;
400 /* We don't just subtract because we're turning the value to an int. */
401 if (**a_val
< **b_val
)
403 else if (**a_val
== **b_val
)
410 print_shader_time_line(const char *stage
, const char *name
,
411 int shader_num
, uint64_t time
, uint64_t total
)
413 fprintf(stderr
, "%-6s%-18s", stage
, name
);
416 fprintf(stderr
, "%4d: ", shader_num
);
418 fprintf(stderr
, " : ");
420 fprintf(stderr
, "%16lld (%7.2f Gcycles) %4.1f%%\n",
422 (double)time
/ 1000000000.0,
423 (double)time
/ total
* 100.0);
427 brw_report_shader_time(struct brw_context
*brw
)
429 if (!brw
->shader_time
.bo
|| !brw
->shader_time
.num_entries
)
432 uint64_t scaled
[brw
->shader_time
.num_entries
];
433 uint64_t *sorted
[brw
->shader_time
.num_entries
];
434 uint64_t total_by_type
[ST_CS
+ 1];
435 memset(total_by_type
, 0, sizeof(total_by_type
));
437 for (int i
= 0; i
< brw
->shader_time
.num_entries
; i
++) {
438 uint64_t written
= 0, reset
= 0;
439 enum shader_time_shader_type type
= brw
->shader_time
.types
[i
];
441 sorted
[i
] = &scaled
[i
];
451 written
= brw
->shader_time
.cumulative
[i
].written
;
452 reset
= brw
->shader_time
.cumulative
[i
].reset
;
456 /* I sometimes want to print things that aren't the 3 shader times.
457 * Just print the sum in that case.
464 uint64_t time
= brw
->shader_time
.cumulative
[i
].time
;
466 scaled
[i
] = time
/ written
* (written
+ reset
);
479 total_by_type
[type
] += scaled
[i
];
489 fprintf(stderr
, "No shader time collected yet\n");
493 qsort(sorted
, brw
->shader_time
.num_entries
, sizeof(sorted
[0]), compare_time
);
495 fprintf(stderr
, "\n");
496 fprintf(stderr
, "type ID cycles spent %% of total\n");
497 for (int s
= 0; s
< brw
->shader_time
.num_entries
; s
++) {
499 /* Work back from the sorted pointers times to a time to print. */
500 int i
= sorted
[s
] - scaled
;
505 int shader_num
= brw
->shader_time
.ids
[i
];
506 const char *shader_name
= brw
->shader_time
.names
[i
];
508 switch (brw
->shader_time
.types
[i
]) {
535 print_shader_time_line(stage
, shader_name
, shader_num
,
539 fprintf(stderr
, "\n");
540 print_shader_time_line("total", "vs", 0, total_by_type
[ST_VS
], total
);
541 print_shader_time_line("total", "tcs", 0, total_by_type
[ST_TCS
], total
);
542 print_shader_time_line("total", "tes", 0, total_by_type
[ST_TES
], total
);
543 print_shader_time_line("total", "gs", 0, total_by_type
[ST_GS
], total
);
544 print_shader_time_line("total", "fs8", 0, total_by_type
[ST_FS8
], total
);
545 print_shader_time_line("total", "fs16", 0, total_by_type
[ST_FS16
], total
);
546 print_shader_time_line("total", "cs", 0, total_by_type
[ST_CS
], total
);
550 brw_collect_shader_time(struct brw_context
*brw
)
552 if (!brw
->shader_time
.bo
)
555 /* This probably stalls on the last rendering. We could fix that by
556 * delaying reading the reports, but it doesn't look like it's a big
557 * overhead compared to the cost of tracking the time in the first place.
559 void *bo_map
= brw_bo_map(brw
, brw
->shader_time
.bo
, MAP_READ
| MAP_WRITE
);
561 for (int i
= 0; i
< brw
->shader_time
.num_entries
; i
++) {
562 uint32_t *times
= bo_map
+ i
* 3 * BRW_SHADER_TIME_STRIDE
;
564 brw
->shader_time
.cumulative
[i
].time
+= times
[BRW_SHADER_TIME_STRIDE
* 0 / 4];
565 brw
->shader_time
.cumulative
[i
].written
+= times
[BRW_SHADER_TIME_STRIDE
* 1 / 4];
566 brw
->shader_time
.cumulative
[i
].reset
+= times
[BRW_SHADER_TIME_STRIDE
* 2 / 4];
569 /* Zero the BO out to clear it out for our next collection.
571 memset(bo_map
, 0, brw
->shader_time
.bo
->size
);
572 brw_bo_unmap(brw
->shader_time
.bo
);
576 brw_collect_and_report_shader_time(struct brw_context
*brw
)
578 brw_collect_shader_time(brw
);
580 if (brw
->shader_time
.report_time
== 0 ||
581 get_time() - brw
->shader_time
.report_time
>= 1.0) {
582 brw_report_shader_time(brw
);
583 brw
->shader_time
.report_time
= get_time();
588 * Chooses an index in the shader_time buffer and sets up tracking information
591 * Note that this holds on to references to the underlying programs, which may
592 * change their lifetimes compared to normal operation.
595 brw_get_shader_time_index(struct brw_context
*brw
, struct gl_program
*prog
,
596 enum shader_time_shader_type type
, bool is_glsl_sh
)
598 int shader_time_index
= brw
->shader_time
.num_entries
++;
599 assert(shader_time_index
< brw
->shader_time
.max_entries
);
600 brw
->shader_time
.types
[shader_time_index
] = type
;
605 } else if (is_glsl_sh
) {
606 name
= prog
->info
.label
?
607 ralloc_strdup(brw
->shader_time
.names
, prog
->info
.label
) : "glsl";
612 brw
->shader_time
.names
[shader_time_index
] = name
;
613 brw
->shader_time
.ids
[shader_time_index
] = prog
->Id
;
615 return shader_time_index
;
619 brw_destroy_shader_time(struct brw_context
*brw
)
621 brw_bo_unreference(brw
->shader_time
.bo
);
622 brw
->shader_time
.bo
= NULL
;
626 brw_stage_prog_data_free(const void *p
)
628 struct brw_stage_prog_data
*prog_data
= (struct brw_stage_prog_data
*)p
;
630 ralloc_free(prog_data
->param
);
631 ralloc_free(prog_data
->pull_param
);
632 ralloc_free(prog_data
->image_param
);
636 brw_dump_arb_asm(const char *stage
, struct gl_program
*prog
)
638 fprintf(stderr
, "ARB_%s_program %d ir for native %s shader\n",
639 stage
, prog
->Id
, stage
);
640 _mesa_print_program(prog
);
644 brw_setup_tex_for_precompile(struct brw_context
*brw
,
645 struct brw_sampler_prog_key_data
*tex
,
646 struct gl_program
*prog
)
648 const struct gen_device_info
*devinfo
= &brw
->screen
->devinfo
;
649 const bool has_shader_channel_select
= devinfo
->is_haswell
|| devinfo
->gen
>= 8;
650 unsigned sampler_count
= util_last_bit(prog
->SamplersUsed
);
651 for (unsigned i
= 0; i
< sampler_count
; i
++) {
652 if (!has_shader_channel_select
&& (prog
->ShadowSamplers
& (1 << i
))) {
653 /* Assume DEPTH_TEXTURE_MODE is the default: X, X, X, 1 */
655 MAKE_SWIZZLE4(SWIZZLE_X
, SWIZZLE_X
, SWIZZLE_X
, SWIZZLE_ONE
);
657 /* Color sampler: assume no swizzling. */
658 tex
->swizzles
[i
] = SWIZZLE_XYZW
;
664 * Sets up the starting offsets for the groups of binding table entries
665 * common to all pipeline stages.
667 * Unused groups are initialized to 0xd0d0d0d0 to make it obvious that they're
668 * unused but also make sure that addition of small offsets to them will
669 * trigger some of our asserts that surface indices are < BRW_MAX_SURFACES.
672 brw_assign_common_binding_table_offsets(const struct gen_device_info
*devinfo
,
673 const struct gl_program
*prog
,
674 struct brw_stage_prog_data
*stage_prog_data
,
675 uint32_t next_binding_table_offset
)
677 int num_textures
= util_last_bit(prog
->SamplersUsed
);
679 stage_prog_data
->binding_table
.texture_start
= next_binding_table_offset
;
680 next_binding_table_offset
+= num_textures
;
682 if (prog
->info
.num_ubos
) {
683 assert(prog
->info
.num_ubos
<= BRW_MAX_UBO
);
684 stage_prog_data
->binding_table
.ubo_start
= next_binding_table_offset
;
685 next_binding_table_offset
+= prog
->info
.num_ubos
;
687 stage_prog_data
->binding_table
.ubo_start
= 0xd0d0d0d0;
690 if (prog
->info
.num_ssbos
) {
691 assert(prog
->info
.num_ssbos
<= BRW_MAX_SSBO
);
692 stage_prog_data
->binding_table
.ssbo_start
= next_binding_table_offset
;
693 next_binding_table_offset
+= prog
->info
.num_ssbos
;
695 stage_prog_data
->binding_table
.ssbo_start
= 0xd0d0d0d0;
698 if (INTEL_DEBUG
& DEBUG_SHADER_TIME
) {
699 stage_prog_data
->binding_table
.shader_time_start
= next_binding_table_offset
;
700 next_binding_table_offset
++;
702 stage_prog_data
->binding_table
.shader_time_start
= 0xd0d0d0d0;
705 if (prog
->nir
->info
.uses_texture_gather
) {
706 if (devinfo
->gen
>= 8) {
707 stage_prog_data
->binding_table
.gather_texture_start
=
708 stage_prog_data
->binding_table
.texture_start
;
710 stage_prog_data
->binding_table
.gather_texture_start
= next_binding_table_offset
;
711 next_binding_table_offset
+= num_textures
;
714 stage_prog_data
->binding_table
.gather_texture_start
= 0xd0d0d0d0;
717 if (prog
->info
.num_abos
) {
718 stage_prog_data
->binding_table
.abo_start
= next_binding_table_offset
;
719 next_binding_table_offset
+= prog
->info
.num_abos
;
721 stage_prog_data
->binding_table
.abo_start
= 0xd0d0d0d0;
724 if (prog
->info
.num_images
) {
725 stage_prog_data
->binding_table
.image_start
= next_binding_table_offset
;
726 next_binding_table_offset
+= prog
->info
.num_images
;
728 stage_prog_data
->binding_table
.image_start
= 0xd0d0d0d0;
731 /* This may or may not be used depending on how the compile goes. */
732 stage_prog_data
->binding_table
.pull_constants_start
= next_binding_table_offset
;
733 next_binding_table_offset
++;
735 /* Plane 0 is just the regular texture section */
736 stage_prog_data
->binding_table
.plane_start
[0] = stage_prog_data
->binding_table
.texture_start
;
738 stage_prog_data
->binding_table
.plane_start
[1] = next_binding_table_offset
;
739 next_binding_table_offset
+= num_textures
;
741 stage_prog_data
->binding_table
.plane_start
[2] = next_binding_table_offset
;
742 next_binding_table_offset
+= num_textures
;
744 /* prog_data->base.binding_table.size will be set by brw_mark_surface_used. */
746 assert(next_binding_table_offset
<= BRW_MAX_SURFACES
);
747 return next_binding_table_offset
;