1 /**************************************************************************
3 * Copyright 2010 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * 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, sub license, 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 portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #include "util/u_math.h"
29 #include "util/u_memory.h"
30 #include "util/u_prim.h"
31 #include "draw/draw_context.h"
32 #include "draw/draw_gs.h"
33 #include "draw/draw_tess.h"
34 #include "draw/draw_vbuf.h"
35 #include "draw/draw_vertex.h"
36 #include "draw/draw_pt.h"
37 #include "draw/draw_prim_assembler.h"
38 #include "draw/draw_vs.h"
39 #include "draw/draw_llvm.h"
40 #include "gallivm/lp_bld_init.h"
41 #include "gallivm/lp_bld_debug.h"
44 struct llvm_middle_end
{
45 struct draw_pt_middle_end base
;
46 struct draw_context
*draw
;
49 struct pt_so_emit
*so_emit
;
50 struct pt_fetch
*fetch
;
51 struct pt_post_vs
*post_vs
;
54 unsigned vertex_data_offset
;
59 struct draw_llvm
*llvm
;
60 struct draw_llvm_variant
*current_variant
;
65 static inline struct llvm_middle_end
*
66 llvm_middle_end(struct draw_pt_middle_end
*middle
)
68 return (struct llvm_middle_end
*) middle
;
73 llvm_middle_end_prepare_gs(struct llvm_middle_end
*fpme
)
75 struct draw_context
*draw
= fpme
->draw
;
76 struct draw_llvm
*llvm
= fpme
->llvm
;
77 struct draw_geometry_shader
*gs
= draw
->gs
.geometry_shader
;
78 struct draw_gs_llvm_variant_key
*key
;
79 struct draw_gs_llvm_variant
*variant
= NULL
;
80 struct draw_gs_llvm_variant_list_item
*li
;
81 struct llvm_geometry_shader
*shader
= llvm_geometry_shader(gs
);
82 char store
[DRAW_GS_LLVM_MAX_VARIANT_KEY_SIZE
];
85 key
= draw_gs_llvm_make_variant_key(llvm
, store
);
87 /* Search shader's list of variants for the key */
88 li
= first_elem(&shader
->variants
);
89 while (!at_end(&shader
->variants
, li
)) {
90 if (memcmp(&li
->base
->key
, key
, shader
->variant_key_size
) == 0) {
98 /* found the variant, move to head of global list (for LRU) */
99 move_to_head(&llvm
->gs_variants_list
, &variant
->list_item_global
);
102 /* Need to create new variant */
104 /* First check if we've created too many variants. If so, free
105 * 3.125% of the LRU to avoid using too much memory.
107 if (llvm
->nr_gs_variants
>= DRAW_MAX_SHADER_VARIANTS
) {
108 if (gallivm_debug
& GALLIVM_DEBUG_PERF
) {
109 debug_printf("Evicting GS: %u gs variants,\t%u total variants\n",
110 shader
->variants_cached
, llvm
->nr_gs_variants
);
114 * XXX: should we flush here ?
116 for (i
= 0; i
< DRAW_MAX_SHADER_VARIANTS
/ 32; i
++) {
117 struct draw_gs_llvm_variant_list_item
*item
;
118 if (is_empty_list(&llvm
->gs_variants_list
)) {
121 item
= last_elem(&llvm
->gs_variants_list
);
124 draw_gs_llvm_destroy_variant(item
->base
);
128 variant
= draw_gs_llvm_create_variant(llvm
, gs
->info
.num_outputs
, key
);
131 insert_at_head(&shader
->variants
, &variant
->list_item_local
);
132 insert_at_head(&llvm
->gs_variants_list
,
133 &variant
->list_item_global
);
134 llvm
->nr_gs_variants
++;
135 shader
->variants_cached
++;
139 gs
->current_variant
= variant
;
143 llvm_middle_end_prepare_tcs(struct llvm_middle_end
*fpme
)
145 struct draw_context
*draw
= fpme
->draw
;
146 struct draw_llvm
*llvm
= fpme
->llvm
;
147 struct draw_tess_ctrl_shader
*tcs
= draw
->tcs
.tess_ctrl_shader
;
148 struct draw_tcs_llvm_variant_key
*key
;
149 struct draw_tcs_llvm_variant
*variant
= NULL
;
150 struct draw_tcs_llvm_variant_list_item
*li
;
151 struct llvm_tess_ctrl_shader
*shader
= llvm_tess_ctrl_shader(tcs
);
152 char store
[DRAW_TCS_LLVM_MAX_VARIANT_KEY_SIZE
];
155 key
= draw_tcs_llvm_make_variant_key(llvm
, store
);
157 /* Search shader's list of variants for the key */
158 li
= first_elem(&shader
->variants
);
159 while (!at_end(&shader
->variants
, li
)) {
160 if (memcmp(&li
->base
->key
, key
, shader
->variant_key_size
) == 0) {
168 /* found the variant, move to head of global list (for LRU) */
169 move_to_head(&llvm
->tcs_variants_list
, &variant
->list_item_global
);
172 /* Need to create new variant */
174 /* First check if we've created too many variants. If so, free
175 * 3.125% of the LRU to avoid using too much memory.
177 if (llvm
->nr_tcs_variants
>= DRAW_MAX_SHADER_VARIANTS
) {
178 if (gallivm_debug
& GALLIVM_DEBUG_PERF
) {
179 debug_printf("Evicting TCS: %u tcs variants,\t%u total variants\n",
180 shader
->variants_cached
, llvm
->nr_tcs_variants
);
184 * XXX: should we flush here ?
186 for (i
= 0; i
< DRAW_MAX_SHADER_VARIANTS
/ 32; i
++) {
187 struct draw_tcs_llvm_variant_list_item
*item
;
188 if (is_empty_list(&llvm
->tcs_variants_list
)) {
191 item
= last_elem(&llvm
->tcs_variants_list
);
194 draw_tcs_llvm_destroy_variant(item
->base
);
198 variant
= draw_tcs_llvm_create_variant(llvm
, 0, key
);
201 insert_at_head(&shader
->variants
, &variant
->list_item_local
);
202 insert_at_head(&llvm
->tcs_variants_list
,
203 &variant
->list_item_global
);
204 llvm
->nr_tcs_variants
++;
205 shader
->variants_cached
++;
209 tcs
->current_variant
= variant
;
213 llvm_middle_end_prepare_tes(struct llvm_middle_end
*fpme
)
215 struct draw_context
*draw
= fpme
->draw
;
216 struct draw_llvm
*llvm
= fpme
->llvm
;
217 struct draw_tess_eval_shader
*tes
= draw
->tes
.tess_eval_shader
;
218 struct draw_tes_llvm_variant_key
*key
;
219 struct draw_tes_llvm_variant
*variant
= NULL
;
220 struct draw_tes_llvm_variant_list_item
*li
;
221 struct llvm_tess_eval_shader
*shader
= llvm_tess_eval_shader(tes
);
222 char store
[DRAW_TES_LLVM_MAX_VARIANT_KEY_SIZE
];
225 key
= draw_tes_llvm_make_variant_key(llvm
, store
);
227 /* Search shader's list of variants for the key */
228 li
= first_elem(&shader
->variants
);
229 while (!at_end(&shader
->variants
, li
)) {
230 if (memcmp(&li
->base
->key
, key
, shader
->variant_key_size
) == 0) {
238 /* found the variant, move to head of global list (for LRU) */
239 move_to_head(&llvm
->tes_variants_list
, &variant
->list_item_global
);
242 /* Need to create new variant */
244 /* First check if we've created too many variants. If so, free
245 * 3.125% of the LRU to avoid using too much memory.
247 if (llvm
->nr_tes_variants
>= DRAW_MAX_SHADER_VARIANTS
) {
248 if (gallivm_debug
& GALLIVM_DEBUG_PERF
) {
249 debug_printf("Evicting TES: %u tes variants,\t%u total variants\n",
250 shader
->variants_cached
, llvm
->nr_tes_variants
);
254 * XXX: should we flush here ?
256 for (i
= 0; i
< DRAW_MAX_SHADER_VARIANTS
/ 32; i
++) {
257 struct draw_tes_llvm_variant_list_item
*item
;
258 if (is_empty_list(&llvm
->tes_variants_list
)) {
261 item
= last_elem(&llvm
->tes_variants_list
);
264 draw_tes_llvm_destroy_variant(item
->base
);
268 variant
= draw_tes_llvm_create_variant(llvm
, tes
->info
.num_outputs
, key
);
271 insert_at_head(&shader
->variants
, &variant
->list_item_local
);
272 insert_at_head(&llvm
->tes_variants_list
,
273 &variant
->list_item_global
);
274 llvm
->nr_tes_variants
++;
275 shader
->variants_cached
++;
279 tes
->current_variant
= variant
;
283 * Prepare/validate middle part of the vertex pipeline.
284 * NOTE: if you change this function, also look at the non-LLVM
285 * function fetch_pipeline_prepare() for similar changes.
288 llvm_middle_end_prepare( struct draw_pt_middle_end
*middle
,
291 unsigned *max_vertices
)
293 struct llvm_middle_end
*fpme
= llvm_middle_end(middle
);
294 struct draw_context
*draw
= fpme
->draw
;
295 struct draw_llvm
*llvm
= fpme
->llvm
;
296 struct draw_vertex_shader
*vs
= draw
->vs
.vertex_shader
;
297 struct draw_geometry_shader
*gs
= draw
->gs
.geometry_shader
;
298 struct draw_tess_ctrl_shader
*tcs
= draw
->tcs
.tess_ctrl_shader
;
299 struct draw_tess_eval_shader
*tes
= draw
->tes
.tess_eval_shader
;
300 const unsigned out_prim
= gs
? gs
->output_primitive
: tes
? get_tes_output_prim(tes
) :
301 u_assembled_prim(in_prim
);
302 unsigned point_clip
= draw
->rasterizer
->fill_front
== PIPE_POLYGON_MODE_POINT
||
303 out_prim
== PIPE_PRIM_POINTS
;
306 fpme
->input_prim
= in_prim
;
309 draw_pt_post_vs_prepare( fpme
->post_vs
,
313 point_clip
? draw
->guard_band_points_xy
:
315 draw
->bypass_viewport
,
316 draw
->rasterizer
->clip_halfz
,
317 (draw
->vs
.edgeflag_output
? TRUE
: FALSE
) );
319 draw_pt_so_emit_prepare( fpme
->so_emit
, gs
== NULL
);
321 if (!(opt
& PT_PIPELINE
)) {
322 draw_pt_emit_prepare( fpme
->emit
, out_prim
,
325 *max_vertices
= MAX2( *max_vertices
, 4096 );
328 /* limit max fetches by limiting max_vertices */
329 *max_vertices
= 4096;
332 /* Get the number of float[4] attributes per vertex.
333 * Note: this must be done after draw_pt_emit_prepare() since that
334 * can effect the vertex size.
336 nr
= MAX2(vs
->info
.num_inputs
, draw_total_vs_outputs(draw
));
338 /* Always leave room for the vertex header whether we need it or
339 * not. It's hard to get rid of it in particular because of the
340 * viewport code in draw_pt_post_vs.c.
342 fpme
->vertex_size
= sizeof(struct vertex_header
) + nr
* 4 * sizeof(float);
344 /* return even number */
345 *max_vertices
= *max_vertices
& ~1;
347 /* Find/create the vertex shader variant */
349 struct draw_llvm_variant_key
*key
;
350 struct draw_llvm_variant
*variant
= NULL
;
351 struct draw_llvm_variant_list_item
*li
;
352 struct llvm_vertex_shader
*shader
= llvm_vertex_shader(vs
);
353 char store
[DRAW_LLVM_MAX_VARIANT_KEY_SIZE
];
356 key
= draw_llvm_make_variant_key(llvm
, store
);
358 /* Search shader's list of variants for the key */
359 li
= first_elem(&shader
->variants
);
360 while (!at_end(&shader
->variants
, li
)) {
361 if (memcmp(&li
->base
->key
, key
, shader
->variant_key_size
) == 0) {
369 /* found the variant, move to head of global list (for LRU) */
370 move_to_head(&llvm
->vs_variants_list
, &variant
->list_item_global
);
373 /* Need to create new variant */
375 /* First check if we've created too many variants. If so, free
376 * 3.125% of the LRU to avoid using too much memory.
378 if (llvm
->nr_variants
>= DRAW_MAX_SHADER_VARIANTS
) {
379 if (gallivm_debug
& GALLIVM_DEBUG_PERF
) {
380 debug_printf("Evicting VS: %u vs variants,\t%u total variants\n",
381 shader
->variants_cached
, llvm
->nr_variants
);
385 * XXX: should we flush here ?
387 for (i
= 0; i
< DRAW_MAX_SHADER_VARIANTS
/ 32; i
++) {
388 struct draw_llvm_variant_list_item
*item
;
389 if (is_empty_list(&llvm
->vs_variants_list
)) {
392 item
= last_elem(&llvm
->vs_variants_list
);
395 draw_llvm_destroy_variant(item
->base
);
399 variant
= draw_llvm_create_variant(llvm
, nr
, key
);
402 insert_at_head(&shader
->variants
, &variant
->list_item_local
);
403 insert_at_head(&llvm
->vs_variants_list
,
404 &variant
->list_item_global
);
406 shader
->variants_cached
++;
410 fpme
->current_variant
= variant
;
414 llvm_middle_end_prepare_gs(fpme
);
417 llvm_middle_end_prepare_tcs(fpme
);
420 llvm_middle_end_prepare_tes(fpme
);
426 * Bind/update constant buffer pointers, clip planes and viewport dims.
427 * These are "light weight" parameters which aren't baked into the
428 * generated code. Updating these items is much cheaper than revalidating
429 * and rebuilding the generated pipeline code.
432 llvm_middle_end_bind_parameters(struct draw_pt_middle_end
*middle
)
434 static const float fake_const_buf
[4];
435 struct llvm_middle_end
*fpme
= llvm_middle_end(middle
);
436 struct draw_context
*draw
= fpme
->draw
;
437 struct draw_llvm
*llvm
= fpme
->llvm
;
440 for (i
= 0; i
< ARRAY_SIZE(llvm
->jit_context
.vs_constants
); ++i
) {
442 * There could be a potential issue with rounding this up, as the
443 * shader expects 16-byte allocations, the fix is likely to move
444 * to LOAD intrinsic in the future and remove the vec4 constraint.
447 DIV_ROUND_UP(draw
->pt
.user
.vs_constants_size
[i
], (sizeof(float) * 4));
448 llvm
->jit_context
.vs_constants
[i
] = draw
->pt
.user
.vs_constants
[i
];
449 llvm
->jit_context
.num_vs_constants
[i
] = num_consts
;
450 if (num_consts
== 0) {
451 llvm
->jit_context
.vs_constants
[i
] = fake_const_buf
;
454 for (i
= 0; i
< ARRAY_SIZE(llvm
->jit_context
.vs_ssbos
); ++i
) {
455 int num_ssbos
= draw
->pt
.user
.vs_ssbos_size
[i
];
456 llvm
->jit_context
.vs_ssbos
[i
] = draw
->pt
.user
.vs_ssbos
[i
];
457 llvm
->jit_context
.num_vs_ssbos
[i
] = num_ssbos
;
458 if (num_ssbos
== 0) {
459 llvm
->jit_context
.vs_ssbos
[i
] = (const uint32_t *)fake_const_buf
;
463 for (i
= 0; i
< ARRAY_SIZE(llvm
->gs_jit_context
.constants
); ++i
) {
465 DIV_ROUND_UP(draw
->pt
.user
.gs_constants_size
[i
], (sizeof(float) * 4));
466 llvm
->gs_jit_context
.constants
[i
] = draw
->pt
.user
.gs_constants
[i
];
467 llvm
->gs_jit_context
.num_constants
[i
] = num_consts
;
468 if (num_consts
== 0) {
469 llvm
->gs_jit_context
.constants
[i
] = fake_const_buf
;
472 for (i
= 0; i
< ARRAY_SIZE(llvm
->gs_jit_context
.ssbos
); ++i
) {
473 int num_ssbos
= draw
->pt
.user
.gs_ssbos_size
[i
];
474 llvm
->gs_jit_context
.ssbos
[i
] = draw
->pt
.user
.gs_ssbos
[i
];
475 llvm
->gs_jit_context
.num_ssbos
[i
] = num_ssbos
;
476 if (num_ssbos
== 0) {
477 llvm
->gs_jit_context
.ssbos
[i
] = (const uint32_t *)fake_const_buf
;
481 for (i
= 0; i
< ARRAY_SIZE(llvm
->tcs_jit_context
.constants
); ++i
) {
483 DIV_ROUND_UP(draw
->pt
.user
.tcs_constants_size
[i
], (sizeof(float) * 4));
484 llvm
->tcs_jit_context
.constants
[i
] = draw
->pt
.user
.tcs_constants
[i
];
485 llvm
->tcs_jit_context
.num_constants
[i
] = num_consts
;
486 if (num_consts
== 0) {
487 llvm
->tcs_jit_context
.constants
[i
] = fake_const_buf
;
490 for (i
= 0; i
< ARRAY_SIZE(llvm
->tcs_jit_context
.ssbos
); ++i
) {
491 int num_ssbos
= draw
->pt
.user
.tcs_ssbos_size
[i
];
492 llvm
->tcs_jit_context
.ssbos
[i
] = draw
->pt
.user
.tcs_ssbos
[i
];
493 llvm
->tcs_jit_context
.num_ssbos
[i
] = num_ssbos
;
494 if (num_ssbos
== 0) {
495 llvm
->tcs_jit_context
.ssbos
[i
] = (const uint32_t *)fake_const_buf
;
499 for (i
= 0; i
< ARRAY_SIZE(llvm
->tes_jit_context
.constants
); ++i
) {
501 DIV_ROUND_UP(draw
->pt
.user
.tes_constants_size
[i
], (sizeof(float) * 4));
502 llvm
->tes_jit_context
.constants
[i
] = draw
->pt
.user
.tes_constants
[i
];
503 llvm
->tes_jit_context
.num_constants
[i
] = num_consts
;
504 if (num_consts
== 0) {
505 llvm
->tes_jit_context
.constants
[i
] = fake_const_buf
;
508 for (i
= 0; i
< ARRAY_SIZE(llvm
->tes_jit_context
.ssbos
); ++i
) {
509 int num_ssbos
= draw
->pt
.user
.tes_ssbos_size
[i
];
510 llvm
->tes_jit_context
.ssbos
[i
] = draw
->pt
.user
.tes_ssbos
[i
];
511 llvm
->tes_jit_context
.num_ssbos
[i
] = num_ssbos
;
512 if (num_ssbos
== 0) {
513 llvm
->tes_jit_context
.ssbos
[i
] = (const uint32_t *)fake_const_buf
;
517 llvm
->jit_context
.planes
=
518 (float (*)[DRAW_TOTAL_CLIP_PLANES
][4]) draw
->pt
.user
.planes
[0];
519 llvm
->gs_jit_context
.planes
=
520 (float (*)[DRAW_TOTAL_CLIP_PLANES
][4]) draw
->pt
.user
.planes
[0];
522 llvm
->jit_context
.viewports
= draw
->viewports
;
523 llvm
->gs_jit_context
.viewports
= draw
->viewports
;
528 pipeline(struct llvm_middle_end
*llvm
,
529 const struct draw_vertex_info
*vert_info
,
530 const struct draw_prim_info
*prim_info
)
532 if (prim_info
->linear
)
533 draw_pipeline_run_linear( llvm
->draw
,
537 draw_pipeline_run( llvm
->draw
,
544 emit(struct pt_emit
*emit
,
545 const struct draw_vertex_info
*vert_info
,
546 const struct draw_prim_info
*prim_info
)
548 if (prim_info
->linear
) {
549 draw_pt_emit_linear(emit
, vert_info
, prim_info
);
552 draw_pt_emit(emit
, vert_info
, prim_info
);
558 llvm_pipeline_generic(struct draw_pt_middle_end
*middle
,
559 const struct draw_fetch_info
*fetch_info
,
560 const struct draw_prim_info
*in_prim_info
)
562 struct llvm_middle_end
*fpme
= llvm_middle_end(middle
);
563 struct draw_context
*draw
= fpme
->draw
;
564 struct draw_geometry_shader
*gshader
= draw
->gs
.geometry_shader
;
565 struct draw_tess_ctrl_shader
*tcs_shader
= draw
->tcs
.tess_ctrl_shader
;
566 struct draw_tess_eval_shader
*tes_shader
= draw
->tes
.tess_eval_shader
;
567 struct draw_prim_info tcs_prim_info
;
568 struct draw_prim_info tes_prim_info
;
569 struct draw_prim_info gs_prim_info
[TGSI_MAX_VERTEX_STREAMS
];
570 struct draw_vertex_info llvm_vert_info
;
571 struct draw_vertex_info tcs_vert_info
;
572 struct draw_vertex_info tes_vert_info
;
573 struct draw_vertex_info gs_vert_info
[TGSI_MAX_VERTEX_STREAMS
];
574 struct draw_vertex_info
*vert_info
;
575 struct draw_prim_info ia_prim_info
;
576 struct draw_vertex_info ia_vert_info
;
577 const struct draw_prim_info
*prim_info
= in_prim_info
;
578 boolean free_prim_info
= FALSE
;
579 unsigned opt
= fpme
->opt
;
581 unsigned start_or_maxelt
, vid_base
;
582 const unsigned *elts
;
583 ushort
*tes_elts_out
= NULL
;
585 assert(fetch_info
->count
> 0);
586 llvm_vert_info
.count
= fetch_info
->count
;
587 llvm_vert_info
.vertex_size
= fpme
->vertex_size
;
588 llvm_vert_info
.stride
= fpme
->vertex_size
;
589 llvm_vert_info
.verts
= (struct vertex_header
*)
590 MALLOC(fpme
->vertex_size
*
591 align(fetch_info
->count
, lp_native_vector_width
/ 32));
592 if (!llvm_vert_info
.verts
) {
597 if (draw
->collect_statistics
) {
598 draw
->statistics
.ia_vertices
+= prim_info
->count
;
599 if (prim_info
->prim
== PIPE_PRIM_PATCHES
)
600 draw
->statistics
.ia_primitives
+= prim_info
->count
/ draw
->pt
.vertices_per_patch
;
602 draw
->statistics
.ia_primitives
+=
603 u_decomposed_prims_for_vertices(prim_info
->prim
, prim_info
->count
);
604 draw
->statistics
.vs_invocations
+= fetch_info
->count
;
607 if (fetch_info
->linear
) {
608 start_or_maxelt
= fetch_info
->start
;
609 vid_base
= draw
->start_index
;
613 start_or_maxelt
= draw
->pt
.user
.eltMax
;
614 vid_base
= draw
->pt
.user
.eltBias
;
615 elts
= fetch_info
->elts
;
617 clipped
= fpme
->current_variant
->jit_func(&fpme
->llvm
->jit_context
,
618 llvm_vert_info
.verts
,
619 draw
->pt
.user
.vbuffer
,
623 draw
->pt
.vertex_buffer
,
626 draw
->start_instance
,
627 elts
, draw
->pt
.user
.drawid
);
629 /* Finished with fetch and vs:
632 vert_info
= &llvm_vert_info
;
634 if (opt
& PT_SHADE
) {
635 struct draw_vertex_shader
*vshader
= draw
->vs
.vertex_shader
;
637 draw_tess_ctrl_shader_run(tcs_shader
,
638 draw
->pt
.user
.tcs_constants
,
639 draw
->pt
.user
.tcs_constants_size
,
645 FREE(vert_info
->verts
);
646 vert_info
= &tcs_vert_info
;
647 prim_info
= &tcs_prim_info
;
649 } else if (tes_shader
) {
650 unsigned num_prims
= prim_info
->count
/ draw
->pt
.vertices_per_patch
;
651 tcs_prim_info
= *prim_info
;
652 tcs_prim_info
.primitive_count
= num_prims
;
653 prim_info
= &tcs_prim_info
;
657 draw_tess_eval_shader_run(tes_shader
,
658 draw
->pt
.user
.tes_constants
,
659 draw
->pt
.user
.tes_constants_size
,
660 tcs_shader
? tcs_shader
->vertices_out
: draw
->pt
.vertices_per_patch
,
663 tcs_shader
? &tcs_shader
->info
: &vshader
->info
,
665 &tes_prim_info
, &tes_elts_out
);
667 FREE(vert_info
->verts
);
668 vert_info
= &tes_vert_info
;
669 prim_info
= &tes_prim_info
;
670 free_prim_info
= TRUE
;
673 * pt emit can only handle ushort number of vertices (see
674 * render->allocate_vertices).
675 * vsplit guarantees there's never more than 4096, however GS can
676 * easily blow this up (by a factor of 256 (or even 1024) max).
678 if (vert_info
->count
> 65535) {
684 if ((opt
& PT_SHADE
) && gshader
) {
685 struct draw_vertex_shader
*vshader
= draw
->vs
.vertex_shader
;
686 draw_geometry_shader_run(gshader
,
687 draw
->pt
.user
.gs_constants
,
688 draw
->pt
.user
.gs_constants_size
,
691 tes_shader
? &tes_shader
->info
: &vshader
->info
,
695 FREE(vert_info
->verts
);
696 if (free_prim_info
) {
697 FREE(prim_info
->primitive_lengths
);
700 vert_info
= &gs_vert_info
[0];
701 prim_info
= &gs_prim_info
[0];
702 free_prim_info
= FALSE
;
704 * pt emit can only handle ushort number of vertices (see
705 * render->allocate_vertices).
706 * vsplit guarantees there's never more than 4096, however GS can
707 * easily blow this up (by a factor of 256 (or even 1024) max).
709 if (vert_info
->count
> 65535) {
713 if (draw_prim_assembler_is_required(draw
, prim_info
, vert_info
)) {
714 draw_prim_assembler_run(draw
, prim_info
, vert_info
,
715 &ia_prim_info
, &ia_vert_info
);
717 if (ia_vert_info
.count
) {
718 FREE(vert_info
->verts
);
719 vert_info
= &ia_vert_info
;
720 prim_info
= &ia_prim_info
;
721 free_prim_info
= TRUE
;
725 if (prim_info
->count
== 0) {
726 debug_printf("GS/IA didn't emit any vertices!\n");
728 FREE(vert_info
->verts
);
729 if (free_prim_info
) {
731 FREE(prim_info
->primitive_lengths
);
736 /* stream output needs to be done before clipping */
737 draw_pt_so_emit( fpme
->so_emit
, gshader
? gshader
->num_vertex_streams
: 1, vert_info
, prim_info
);
739 draw_stats_clipper_primitives(draw
, prim_info
);
742 * if there's no position, need to stop now, or the latter stages
743 * will try to access non-existent position output.
745 if (draw_current_shader_position_output(draw
) != -1) {
746 if ((opt
& PT_SHADE
) && (gshader
|| tes_shader
||
747 draw
->vs
.vertex_shader
->info
.writes_viewport_index
)) {
748 clipped
= draw_pt_post_vs_run( fpme
->post_vs
, vert_info
, prim_info
);
750 /* "clipped" also includes non-one edgeflag */
755 /* Do we need to run the pipeline? Now will come here if clipped
757 if (opt
& PT_PIPELINE
) {
758 pipeline( fpme
, vert_info
, prim_info
);
761 emit( fpme
->emit
, vert_info
, prim_info
);
764 FREE(vert_info
->verts
);
765 if (free_prim_info
) {
767 FREE(prim_info
->primitive_lengths
);
772 static inline unsigned
773 prim_type(unsigned prim
, unsigned flags
)
775 if (flags
& DRAW_LINE_LOOP_AS_STRIP
)
776 return PIPE_PRIM_LINE_STRIP
;
783 llvm_middle_end_run(struct draw_pt_middle_end
*middle
,
784 const unsigned *fetch_elts
,
785 unsigned fetch_count
,
786 const ushort
*draw_elts
,
790 struct llvm_middle_end
*fpme
= llvm_middle_end(middle
);
791 struct draw_fetch_info fetch_info
;
792 struct draw_prim_info prim_info
;
794 fetch_info
.linear
= FALSE
;
795 fetch_info
.start
= 0;
796 fetch_info
.elts
= fetch_elts
;
797 fetch_info
.count
= fetch_count
;
799 prim_info
.linear
= FALSE
;
801 prim_info
.count
= draw_count
;
802 prim_info
.elts
= draw_elts
;
803 prim_info
.prim
= prim_type(fpme
->input_prim
, prim_flags
);
804 prim_info
.flags
= prim_flags
;
805 prim_info
.primitive_count
= 1;
806 prim_info
.primitive_lengths
= &draw_count
;
808 llvm_pipeline_generic( middle
, &fetch_info
, &prim_info
);
813 llvm_middle_end_linear_run(struct draw_pt_middle_end
*middle
,
818 struct llvm_middle_end
*fpme
= llvm_middle_end(middle
);
819 struct draw_fetch_info fetch_info
;
820 struct draw_prim_info prim_info
;
822 fetch_info
.linear
= TRUE
;
823 fetch_info
.start
= start
;
824 fetch_info
.count
= count
;
825 fetch_info
.elts
= NULL
;
827 prim_info
.linear
= TRUE
;
829 prim_info
.count
= count
;
830 prim_info
.elts
= NULL
;
831 prim_info
.prim
= prim_type(fpme
->input_prim
, prim_flags
);
832 prim_info
.flags
= prim_flags
;
833 prim_info
.primitive_count
= 1;
834 prim_info
.primitive_lengths
= &count
;
836 llvm_pipeline_generic( middle
, &fetch_info
, &prim_info
);
841 llvm_middle_end_linear_run_elts(struct draw_pt_middle_end
*middle
,
844 const ushort
*draw_elts
,
848 struct llvm_middle_end
*fpme
= llvm_middle_end(middle
);
849 struct draw_fetch_info fetch_info
;
850 struct draw_prim_info prim_info
;
852 fetch_info
.linear
= TRUE
;
853 fetch_info
.start
= start
;
854 fetch_info
.count
= count
;
855 fetch_info
.elts
= NULL
;
857 prim_info
.linear
= FALSE
;
859 prim_info
.count
= draw_count
;
860 prim_info
.elts
= draw_elts
;
861 prim_info
.prim
= prim_type(fpme
->input_prim
, prim_flags
);
862 prim_info
.flags
= prim_flags
;
863 prim_info
.primitive_count
= 1;
864 prim_info
.primitive_lengths
= &draw_count
;
866 llvm_pipeline_generic( middle
, &fetch_info
, &prim_info
);
873 llvm_middle_end_finish(struct draw_pt_middle_end
*middle
)
880 llvm_middle_end_destroy(struct draw_pt_middle_end
*middle
)
882 struct llvm_middle_end
*fpme
= llvm_middle_end(middle
);
885 draw_pt_fetch_destroy( fpme
->fetch
);
888 draw_pt_emit_destroy( fpme
->emit
);
891 draw_pt_so_emit_destroy( fpme
->so_emit
);
894 draw_pt_post_vs_destroy( fpme
->post_vs
);
900 struct draw_pt_middle_end
*
901 draw_pt_fetch_pipeline_or_emit_llvm(struct draw_context
*draw
)
903 struct llvm_middle_end
*fpme
= 0;
908 fpme
= CALLOC_STRUCT( llvm_middle_end
);
912 fpme
->base
.prepare
= llvm_middle_end_prepare
;
913 fpme
->base
.bind_parameters
= llvm_middle_end_bind_parameters
;
914 fpme
->base
.run
= llvm_middle_end_run
;
915 fpme
->base
.run_linear
= llvm_middle_end_linear_run
;
916 fpme
->base
.run_linear_elts
= llvm_middle_end_linear_run_elts
;
917 fpme
->base
.finish
= llvm_middle_end_finish
;
918 fpme
->base
.destroy
= llvm_middle_end_destroy
;
922 fpme
->fetch
= draw_pt_fetch_create( draw
);
926 fpme
->post_vs
= draw_pt_post_vs_create( draw
);
930 fpme
->emit
= draw_pt_emit_create( draw
);
934 fpme
->so_emit
= draw_pt_so_emit_create( draw
);
938 fpme
->llvm
= draw
->llvm
;
942 fpme
->current_variant
= NULL
;
948 llvm_middle_end_destroy( &fpme
->base
);