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 "draw_llvm.h"
30 #include "draw_context.h"
34 #include "gallivm/lp_bld_arit.h"
35 #include "gallivm/lp_bld_arit_overflow.h"
36 #include "gallivm/lp_bld_logic.h"
37 #include "gallivm/lp_bld_const.h"
38 #include "gallivm/lp_bld_swizzle.h"
39 #include "gallivm/lp_bld_struct.h"
40 #include "gallivm/lp_bld_type.h"
41 #include "gallivm/lp_bld_flow.h"
42 #include "gallivm/lp_bld_debug.h"
43 #include "gallivm/lp_bld_tgsi.h"
44 #include "gallivm/lp_bld_printf.h"
45 #include "gallivm/lp_bld_intr.h"
46 #include "gallivm/lp_bld_init.h"
47 #include "gallivm/lp_bld_type.h"
48 #include "gallivm/lp_bld_pack.h"
49 #include "gallivm/lp_bld_format.h"
51 #include "tgsi/tgsi_exec.h"
52 #include "tgsi/tgsi_dump.h"
54 #include "util/u_math.h"
55 #include "util/u_pointer.h"
56 #include "util/u_string.h"
57 #include "util/u_simple_list.h"
64 draw_llvm_generate(struct draw_llvm
*llvm
, struct draw_llvm_variant
*var
,
68 struct draw_gs_llvm_iface
{
69 struct lp_build_tgsi_gs_iface base
;
71 struct draw_gs_llvm_variant
*variant
;
75 static INLINE
const struct draw_gs_llvm_iface
*
76 draw_gs_llvm_iface(const struct lp_build_tgsi_gs_iface
*iface
)
78 return (const struct draw_gs_llvm_iface
*)iface
;
82 * Create LLVM type for draw_vertex_buffer.
85 create_jit_dvbuffer_type(struct gallivm_state
*gallivm
,
86 const char *struct_name
)
88 LLVMTargetDataRef target
= gallivm
->target
;
89 LLVMTypeRef dvbuffer_type
;
90 LLVMTypeRef elem_types
[DRAW_JIT_DVBUFFER_NUM_FIELDS
];
91 LLVMTypeRef int32_type
= LLVMInt32TypeInContext(gallivm
->context
);
93 elem_types
[DRAW_JIT_DVBUFFER_MAP
] =
94 LLVMPointerType(LLVMIntTypeInContext(gallivm
->context
, 8), 0);
95 elem_types
[DRAW_JIT_DVBUFFER_SIZE
] = int32_type
;
97 dvbuffer_type
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
98 Elements(elem_types
), 0);
100 #if HAVE_LLVM < 0x0300
101 LLVMAddTypeName(gallivm
->module
, struct_name
, dvbuffer_type
);
103 /* Make sure the target's struct layout cache doesn't return
104 * stale/invalid data.
106 LLVMInvalidateStructLayout(gallivm
->target
, dvbuffer_type
);
109 LP_CHECK_MEMBER_OFFSET(struct draw_vertex_buffer
, map
,
110 target
, dvbuffer_type
,
111 DRAW_JIT_DVBUFFER_MAP
);
112 LP_CHECK_MEMBER_OFFSET(struct draw_vertex_buffer
, size
,
113 target
, dvbuffer_type
,
114 DRAW_JIT_DVBUFFER_SIZE
);
116 return dvbuffer_type
;
120 * Create LLVM type for struct draw_jit_texture
123 create_jit_texture_type(struct gallivm_state
*gallivm
, const char *struct_name
)
125 LLVMTargetDataRef target
= gallivm
->target
;
126 LLVMTypeRef texture_type
;
127 LLVMTypeRef elem_types
[DRAW_JIT_TEXTURE_NUM_FIELDS
];
128 LLVMTypeRef int32_type
= LLVMInt32TypeInContext(gallivm
->context
);
130 elem_types
[DRAW_JIT_TEXTURE_WIDTH
] =
131 elem_types
[DRAW_JIT_TEXTURE_HEIGHT
] =
132 elem_types
[DRAW_JIT_TEXTURE_DEPTH
] =
133 elem_types
[DRAW_JIT_TEXTURE_FIRST_LEVEL
] =
134 elem_types
[DRAW_JIT_TEXTURE_LAST_LEVEL
] = int32_type
;
135 elem_types
[DRAW_JIT_TEXTURE_BASE
] =
136 LLVMPointerType(LLVMInt8TypeInContext(gallivm
->context
), 0);
137 elem_types
[DRAW_JIT_TEXTURE_ROW_STRIDE
] =
138 elem_types
[DRAW_JIT_TEXTURE_IMG_STRIDE
] =
139 elem_types
[DRAW_JIT_TEXTURE_MIP_OFFSETS
] =
140 LLVMArrayType(int32_type
, PIPE_MAX_TEXTURE_LEVELS
);
142 texture_type
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
143 Elements(elem_types
), 0);
145 #if HAVE_LLVM < 0x0300
146 LLVMAddTypeName(gallivm
->module
, struct_name
, texture_type
);
148 /* Make sure the target's struct layout cache doesn't return
149 * stale/invalid data.
151 LLVMInvalidateStructLayout(gallivm
->target
, texture_type
);
154 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, width
,
155 target
, texture_type
,
156 DRAW_JIT_TEXTURE_WIDTH
);
157 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, height
,
158 target
, texture_type
,
159 DRAW_JIT_TEXTURE_HEIGHT
);
160 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, depth
,
161 target
, texture_type
,
162 DRAW_JIT_TEXTURE_DEPTH
);
163 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, first_level
,
164 target
, texture_type
,
165 DRAW_JIT_TEXTURE_FIRST_LEVEL
);
166 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, last_level
,
167 target
, texture_type
,
168 DRAW_JIT_TEXTURE_LAST_LEVEL
);
169 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, base
,
170 target
, texture_type
,
171 DRAW_JIT_TEXTURE_BASE
);
172 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, row_stride
,
173 target
, texture_type
,
174 DRAW_JIT_TEXTURE_ROW_STRIDE
);
175 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, img_stride
,
176 target
, texture_type
,
177 DRAW_JIT_TEXTURE_IMG_STRIDE
);
178 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, mip_offsets
,
179 target
, texture_type
,
180 DRAW_JIT_TEXTURE_MIP_OFFSETS
);
182 LP_CHECK_STRUCT_SIZE(struct draw_jit_texture
, target
, texture_type
);
189 * Create LLVM type for struct draw_jit_sampler
192 create_jit_sampler_type(struct gallivm_state
*gallivm
, const char *struct_name
)
194 LLVMTargetDataRef target
= gallivm
->target
;
195 LLVMTypeRef sampler_type
;
196 LLVMTypeRef elem_types
[DRAW_JIT_SAMPLER_NUM_FIELDS
];
198 elem_types
[DRAW_JIT_SAMPLER_MIN_LOD
] =
199 elem_types
[DRAW_JIT_SAMPLER_MAX_LOD
] =
200 elem_types
[DRAW_JIT_SAMPLER_LOD_BIAS
] = LLVMFloatTypeInContext(gallivm
->context
);
201 elem_types
[DRAW_JIT_SAMPLER_BORDER_COLOR
] =
202 LLVMArrayType(LLVMFloatTypeInContext(gallivm
->context
), 4);
204 sampler_type
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
205 Elements(elem_types
), 0);
207 #if HAVE_LLVM < 0x0300
208 LLVMAddTypeName(gallivm
->module
, struct_name
, sampler_type
);
210 /* Make sure the target's struct layout cache doesn't return
211 * stale/invalid data.
213 LLVMInvalidateStructLayout(gallivm
->target
, sampler_type
);
216 LP_CHECK_MEMBER_OFFSET(struct draw_jit_sampler
, min_lod
,
217 target
, sampler_type
,
218 DRAW_JIT_SAMPLER_MIN_LOD
);
219 LP_CHECK_MEMBER_OFFSET(struct draw_jit_sampler
, max_lod
,
220 target
, sampler_type
,
221 DRAW_JIT_SAMPLER_MAX_LOD
);
222 LP_CHECK_MEMBER_OFFSET(struct draw_jit_sampler
, lod_bias
,
223 target
, sampler_type
,
224 DRAW_JIT_SAMPLER_LOD_BIAS
);
225 LP_CHECK_MEMBER_OFFSET(struct draw_jit_sampler
, border_color
,
226 target
, sampler_type
,
227 DRAW_JIT_SAMPLER_BORDER_COLOR
);
229 LP_CHECK_STRUCT_SIZE(struct draw_jit_sampler
, target
, sampler_type
);
236 * Create LLVM type for struct draw_jit_context
239 create_jit_context_type(struct gallivm_state
*gallivm
,
240 LLVMTypeRef texture_type
, LLVMTypeRef sampler_type
,
241 const char *struct_name
)
243 LLVMTargetDataRef target
= gallivm
->target
;
244 LLVMTypeRef float_type
= LLVMFloatTypeInContext(gallivm
->context
);
245 LLVMTypeRef elem_types
[DRAW_JIT_CTX_NUM_FIELDS
];
246 LLVMTypeRef context_type
;
248 elem_types
[0] = LLVMArrayType(LLVMPointerType(float_type
, 0), /* vs_constants */
249 LP_MAX_TGSI_CONST_BUFFERS
);
250 elem_types
[1] = LLVMPointerType(LLVMArrayType(LLVMArrayType(float_type
, 4),
251 DRAW_TOTAL_CLIP_PLANES
), 0);
252 elem_types
[2] = LLVMPointerType(float_type
, 0); /* viewport */
253 elem_types
[3] = LLVMArrayType(texture_type
,
254 PIPE_MAX_SHADER_SAMPLER_VIEWS
); /* textures */
255 elem_types
[4] = LLVMArrayType(sampler_type
,
256 PIPE_MAX_SAMPLERS
); /* samplers */
257 context_type
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
258 Elements(elem_types
), 0);
259 #if HAVE_LLVM < 0x0300
260 LLVMAddTypeName(gallivm
->module
, struct_name
, context_type
);
262 LLVMInvalidateStructLayout(gallivm
->target
, context_type
);
265 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, vs_constants
,
266 target
, context_type
, DRAW_JIT_CTX_CONSTANTS
);
267 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, planes
,
268 target
, context_type
, DRAW_JIT_CTX_PLANES
);
269 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, viewport
,
270 target
, context_type
, DRAW_JIT_CTX_VIEWPORT
);
271 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, textures
,
272 target
, context_type
,
273 DRAW_JIT_CTX_TEXTURES
);
274 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, samplers
,
275 target
, context_type
,
276 DRAW_JIT_CTX_SAMPLERS
);
277 LP_CHECK_STRUCT_SIZE(struct draw_jit_context
,
278 target
, context_type
);
285 * Create LLVM type for struct draw_gs_jit_context
288 create_gs_jit_context_type(struct gallivm_state
*gallivm
,
289 unsigned vector_length
,
290 LLVMTypeRef texture_type
, LLVMTypeRef sampler_type
,
291 const char *struct_name
)
293 LLVMTargetDataRef target
= gallivm
->target
;
294 LLVMTypeRef float_type
= LLVMFloatTypeInContext(gallivm
->context
);
295 LLVMTypeRef int_type
= LLVMInt32TypeInContext(gallivm
->context
);
296 LLVMTypeRef elem_types
[DRAW_GS_JIT_CTX_NUM_FIELDS
];
297 LLVMTypeRef context_type
;
299 elem_types
[0] = LLVMArrayType(LLVMPointerType(float_type
, 0), /* constants */
300 LP_MAX_TGSI_CONST_BUFFERS
);
301 elem_types
[1] = LLVMPointerType(LLVMArrayType(LLVMArrayType(float_type
, 4),
302 DRAW_TOTAL_CLIP_PLANES
), 0);
303 elem_types
[2] = LLVMPointerType(float_type
, 0); /* viewport */
305 elem_types
[3] = LLVMArrayType(texture_type
,
306 PIPE_MAX_SHADER_SAMPLER_VIEWS
); /* textures */
307 elem_types
[4] = LLVMArrayType(sampler_type
,
308 PIPE_MAX_SAMPLERS
); /* samplers */
310 elem_types
[5] = LLVMPointerType(LLVMPointerType(int_type
, 0), 0);
311 elem_types
[6] = LLVMPointerType(LLVMVectorType(int_type
,
313 elem_types
[7] = LLVMPointerType(LLVMVectorType(int_type
,
316 context_type
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
317 Elements(elem_types
), 0);
318 #if HAVE_LLVM < 0x0300
319 LLVMAddTypeName(gallivm
->module
, struct_name
, context_type
);
321 LLVMInvalidateStructLayout(gallivm
->target
, context_type
);
324 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, constants
,
325 target
, context_type
, DRAW_GS_JIT_CTX_CONSTANTS
);
326 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, planes
,
327 target
, context_type
, DRAW_GS_JIT_CTX_PLANES
);
328 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, viewport
,
329 target
, context_type
, DRAW_GS_JIT_CTX_VIEWPORT
);
330 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, textures
,
331 target
, context_type
,
332 DRAW_GS_JIT_CTX_TEXTURES
);
333 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, samplers
,
334 target
, context_type
,
335 DRAW_GS_JIT_CTX_SAMPLERS
);
336 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, prim_lengths
,
337 target
, context_type
,
338 DRAW_GS_JIT_CTX_PRIM_LENGTHS
);
339 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, emitted_vertices
,
340 target
, context_type
,
341 DRAW_GS_JIT_CTX_EMITTED_VERTICES
);
342 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, emitted_prims
,
343 target
, context_type
,
344 DRAW_GS_JIT_CTX_EMITTED_PRIMS
);
345 LP_CHECK_STRUCT_SIZE(struct draw_gs_jit_context
,
346 target
, context_type
);
353 create_gs_jit_input_type(struct gallivm_state
*gallivm
)
355 LLVMTypeRef float_type
= LLVMFloatTypeInContext(gallivm
->context
);
356 LLVMTypeRef input_array
;
358 input_array
= LLVMVectorType(float_type
, TGSI_NUM_CHANNELS
); /* num primitives */
359 input_array
= LLVMArrayType(input_array
, TGSI_NUM_CHANNELS
); /* num channels */
360 input_array
= LLVMArrayType(input_array
, PIPE_MAX_SHADER_INPUTS
); /* num attrs per vertex */
361 input_array
= LLVMPointerType(input_array
, 0); /* num vertices per prim */
367 * Create LLVM type for struct pipe_vertex_buffer
370 create_jit_vertex_buffer_type(struct gallivm_state
*gallivm
,
371 const char *struct_name
)
373 LLVMTargetDataRef target
= gallivm
->target
;
374 LLVMTypeRef elem_types
[4];
378 elem_types
[1] = LLVMInt32TypeInContext(gallivm
->context
);
380 elem_types
[3] = LLVMPointerType(LLVMInt8TypeInContext(gallivm
->context
), 0);
382 vb_type
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
383 Elements(elem_types
), 0);
384 #if HAVE_LLVM < 0x0300
385 LLVMAddTypeName(gallivm
->module
, struct_name
, vb_type
);
387 LLVMInvalidateStructLayout(gallivm
->target
, vb_type
);
390 LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer
, stride
,
392 LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer
, buffer_offset
,
395 LP_CHECK_STRUCT_SIZE(struct pipe_vertex_buffer
, target
, vb_type
);
402 * Create LLVM type for struct vertex_header;
405 create_jit_vertex_header(struct gallivm_state
*gallivm
, int data_elems
)
407 LLVMTargetDataRef target
= gallivm
->target
;
408 LLVMTypeRef elem_types
[4];
409 LLVMTypeRef vertex_header
;
410 char struct_name
[24];
412 util_snprintf(struct_name
, 23, "vertex_header%d", data_elems
);
414 elem_types
[DRAW_JIT_VERTEX_VERTEX_ID
] = LLVMIntTypeInContext(gallivm
->context
, 32);
415 elem_types
[DRAW_JIT_VERTEX_CLIP
] = LLVMArrayType(LLVMFloatTypeInContext(gallivm
->context
), 4);
416 elem_types
[DRAW_JIT_VERTEX_PRE_CLIP_POS
] = LLVMArrayType(LLVMFloatTypeInContext(gallivm
->context
), 4);
417 elem_types
[DRAW_JIT_VERTEX_DATA
] = LLVMArrayType(elem_types
[1], data_elems
);
419 vertex_header
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
420 Elements(elem_types
), 0);
421 #if HAVE_LLVM < 0x0300
422 LLVMAddTypeName(gallivm
->module
, struct_name
, vertex_header
);
424 LLVMInvalidateStructLayout(gallivm
->target
, vertex_header
);
427 /* these are bit-fields and we can't take address of them
428 LP_CHECK_MEMBER_OFFSET(struct vertex_header, clipmask,
429 target, vertex_header,
430 DRAW_JIT_VERTEX_CLIPMASK);
431 LP_CHECK_MEMBER_OFFSET(struct vertex_header, edgeflag,
432 target, vertex_header,
433 DRAW_JIT_VERTEX_EDGEFLAG);
434 LP_CHECK_MEMBER_OFFSET(struct vertex_header, pad,
435 target, vertex_header,
436 DRAW_JIT_VERTEX_PAD);
437 LP_CHECK_MEMBER_OFFSET(struct vertex_header, vertex_id,
438 target, vertex_header,
439 DRAW_JIT_VERTEX_VERTEX_ID);
441 LP_CHECK_MEMBER_OFFSET(struct vertex_header
, clip
,
442 target
, vertex_header
,
443 DRAW_JIT_VERTEX_CLIP
);
444 LP_CHECK_MEMBER_OFFSET(struct vertex_header
, pre_clip_pos
,
445 target
, vertex_header
,
446 DRAW_JIT_VERTEX_PRE_CLIP_POS
);
447 LP_CHECK_MEMBER_OFFSET(struct vertex_header
, data
,
448 target
, vertex_header
,
449 DRAW_JIT_VERTEX_DATA
);
451 assert(LLVMABISizeOfType(target
, vertex_header
) ==
452 offsetof(struct vertex_header
, data
[data_elems
]));
454 return vertex_header
;
459 * Create LLVM types for various structures.
462 create_jit_types(struct draw_llvm_variant
*variant
)
464 struct gallivm_state
*gallivm
= variant
->gallivm
;
465 LLVMTypeRef texture_type
, sampler_type
, context_type
, buffer_type
,
468 texture_type
= create_jit_texture_type(gallivm
, "texture");
469 sampler_type
= create_jit_sampler_type(gallivm
, "sampler");
471 context_type
= create_jit_context_type(gallivm
, texture_type
, sampler_type
,
473 variant
->context_ptr_type
= LLVMPointerType(context_type
, 0);
475 buffer_type
= create_jit_dvbuffer_type(gallivm
, "draw_vertex_buffer");
476 variant
->buffer_ptr_type
= LLVMPointerType(buffer_type
, 0);
478 vb_type
= create_jit_vertex_buffer_type(gallivm
, "pipe_vertex_buffer");
479 variant
->vb_ptr_type
= LLVMPointerType(vb_type
, 0);
484 get_context_ptr_type(struct draw_llvm_variant
*variant
)
486 if (!variant
->context_ptr_type
)
487 create_jit_types(variant
);
488 return variant
->context_ptr_type
;
493 get_buffer_ptr_type(struct draw_llvm_variant
*variant
)
495 if (!variant
->buffer_ptr_type
)
496 create_jit_types(variant
);
497 return variant
->buffer_ptr_type
;
502 get_vb_ptr_type(struct draw_llvm_variant
*variant
)
504 if (!variant
->vb_ptr_type
)
505 create_jit_types(variant
);
506 return variant
->vb_ptr_type
;
510 get_vertex_header_ptr_type(struct draw_llvm_variant
*variant
)
512 if (!variant
->vertex_header_ptr_type
)
513 create_jit_types(variant
);
514 return variant
->vertex_header_ptr_type
;
519 * Create per-context LLVM info.
522 draw_llvm_create(struct draw_context
*draw
)
524 struct draw_llvm
*llvm
;
526 llvm
= CALLOC_STRUCT( draw_llvm
);
534 llvm
->nr_variants
= 0;
535 make_empty_list(&llvm
->vs_variants_list
);
537 llvm
->nr_gs_variants
= 0;
538 make_empty_list(&llvm
->gs_variants_list
);
545 * Free per-context LLVM info.
548 draw_llvm_destroy(struct draw_llvm
*llvm
)
550 /* XXX free other draw_llvm data? */
556 * Create LLVM-generated code for a vertex shader.
558 struct draw_llvm_variant
*
559 draw_llvm_create_variant(struct draw_llvm
*llvm
,
561 const struct draw_llvm_variant_key
*key
)
563 struct draw_llvm_variant
*variant
;
564 struct llvm_vertex_shader
*shader
=
565 llvm_vertex_shader(llvm
->draw
->vs
.vertex_shader
);
566 LLVMTypeRef vertex_header
;
568 variant
= MALLOC(sizeof *variant
+
569 shader
->variant_key_size
-
570 sizeof variant
->key
);
574 variant
->llvm
= llvm
;
576 variant
->gallivm
= gallivm_create();
578 create_jit_types(variant
);
580 memcpy(&variant
->key
, key
, shader
->variant_key_size
);
582 vertex_header
= create_jit_vertex_header(variant
->gallivm
, num_inputs
);
584 variant
->vertex_header_ptr_type
= LLVMPointerType(vertex_header
, 0);
586 draw_llvm_generate(llvm
, variant
, FALSE
); /* linear */
587 draw_llvm_generate(llvm
, variant
, TRUE
); /* elts */
589 gallivm_compile_module(variant
->gallivm
);
591 variant
->jit_func
= (draw_jit_vert_func
)
592 gallivm_jit_function(variant
->gallivm
, variant
->function
);
594 variant
->jit_func_elts
= (draw_jit_vert_func_elts
)
595 gallivm_jit_function(variant
->gallivm
, variant
->function_elts
);
597 variant
->shader
= shader
;
598 variant
->list_item_global
.base
= variant
;
599 variant
->list_item_local
.base
= variant
;
600 /*variant->no = */shader
->variants_created
++;
601 variant
->list_item_global
.base
= variant
;
608 generate_vs(struct draw_llvm_variant
*variant
,
609 LLVMBuilderRef builder
,
610 struct lp_type vs_type
,
611 LLVMValueRef (*outputs
)[TGSI_NUM_CHANNELS
],
612 const LLVMValueRef (*inputs
)[TGSI_NUM_CHANNELS
],
613 const struct lp_bld_tgsi_system_values
*system_values
,
614 LLVMValueRef context_ptr
,
615 struct lp_build_sampler_soa
*draw_sampler
,
616 boolean clamp_vertex_color
)
618 struct draw_llvm
*llvm
= variant
->llvm
;
619 const struct tgsi_token
*tokens
= llvm
->draw
->vs
.vertex_shader
->state
.tokens
;
620 LLVMValueRef consts_ptr
= draw_jit_context_vs_constants(variant
->gallivm
, context_ptr
);
621 struct lp_build_sampler_soa
*sampler
= 0;
623 if (gallivm_debug
& (GALLIVM_DEBUG_TGSI
| GALLIVM_DEBUG_IR
)) {
624 tgsi_dump(tokens
, 0);
625 draw_llvm_dump_variant_key(&variant
->key
);
628 if (llvm
->draw
->num_sampler_views
&& llvm
->draw
->num_samplers
)
629 sampler
= draw_sampler
;
631 lp_build_tgsi_soa(variant
->gallivm
,
634 NULL
/*struct lp_build_mask_context *mask*/,
640 &llvm
->draw
->vs
.vertex_shader
->info
,
645 unsigned chan
, attrib
;
646 struct lp_build_context bld
;
647 struct tgsi_shader_info
* info
= &llvm
->draw
->vs
.vertex_shader
->info
;
648 lp_build_context_init(&bld
, variant
->gallivm
, vs_type
);
650 for (attrib
= 0; attrib
< info
->num_outputs
; ++attrib
) {
651 for (chan
= 0; chan
< TGSI_NUM_CHANNELS
; ++chan
) {
652 if (outputs
[attrib
][chan
]) {
653 switch (info
->output_semantic_name
[attrib
]) {
654 case TGSI_SEMANTIC_COLOR
:
655 case TGSI_SEMANTIC_BCOLOR
:
656 if (clamp_vertex_color
) {
657 out
= LLVMBuildLoad(builder
, outputs
[attrib
][chan
], "");
658 out
= lp_build_clamp(&bld
, out
, bld
.zero
, bld
.one
);
659 LLVMBuildStore(builder
, out
, outputs
[attrib
][chan
]);
670 generate_fetch(struct gallivm_state
*gallivm
,
671 struct draw_context
*draw
,
672 LLVMValueRef vbuffers_ptr
,
674 struct pipe_vertex_element
*velem
,
677 LLVMValueRef instance_id
)
679 const struct util_format_description
*format_desc
=
680 util_format_description(velem
->src_format
);
681 LLVMValueRef zero
= LLVMConstNull(LLVMInt32TypeInContext(gallivm
->context
));
682 LLVMBuilderRef builder
= gallivm
->builder
;
683 LLVMValueRef indices
=
684 LLVMConstInt(LLVMInt64TypeInContext(gallivm
->context
),
685 velem
->vertex_buffer_index
, 0);
686 LLVMValueRef vbuffer_ptr
= LLVMBuildGEP(builder
, vbuffers_ptr
,
688 LLVMValueRef vb_stride
= draw_jit_vbuffer_stride(gallivm
, vbuf
);
689 LLVMValueRef vb_buffer_offset
= draw_jit_vbuffer_offset(gallivm
, vbuf
);
690 LLVMValueRef map_ptr
= draw_jit_dvbuffer_map(gallivm
, vbuffer_ptr
);
691 LLVMValueRef buffer_size
= draw_jit_dvbuffer_size(gallivm
, vbuffer_ptr
);
693 LLVMValueRef buffer_overflowed
;
694 LLVMValueRef needed_buffer_size
;
695 LLVMValueRef temp_ptr
=
696 lp_build_alloca(gallivm
,
697 lp_build_vec_type(gallivm
, lp_float32_vec4_type()), "");
698 LLVMValueRef ofbit
= NULL
;
699 struct lp_build_if_state if_ctx
;
701 if (velem
->instance_divisor
) {
702 /* Index is equal to the start instance plus the number of current
703 * instance divided by the divisor. In this case we compute it as:
704 * index = start_instance + (instance_id / divisor)
706 LLVMValueRef current_instance
;
707 index
= lp_build_const_int32(gallivm
, draw
->start_instance
);
708 current_instance
= LLVMBuildUDiv(builder
, instance_id
,
709 lp_build_const_int32(gallivm
, velem
->instance_divisor
),
711 index
= lp_build_uadd_overflow(gallivm
, index
, current_instance
, &ofbit
);
714 stride
= lp_build_umul_overflow(gallivm
, vb_stride
, index
, &ofbit
);
715 stride
= lp_build_uadd_overflow(gallivm
, stride
, vb_buffer_offset
, &ofbit
);
716 stride
= lp_build_uadd_overflow(
718 lp_build_const_int32(gallivm
, velem
->src_offset
), &ofbit
);
719 needed_buffer_size
= lp_build_uadd_overflow(
721 lp_build_const_int32(gallivm
,
722 util_format_get_blocksize(velem
->src_format
)),
725 buffer_overflowed
= LLVMBuildICmp(builder
, LLVMIntUGT
,
726 needed_buffer_size
, buffer_size
,
727 "buffer_overflowed");
728 buffer_overflowed
= LLVMBuildOr(builder
, buffer_overflowed
, ofbit
, "");
730 lp_build_printf(gallivm
, "vbuf index = %u, vb_stride is %u\n",
732 lp_build_printf(gallivm
, " vb_buffer_offset = %u, src_offset is %u\n",
734 lp_build_const_int32(gallivm
, velem
->src_offset
));
735 lp_build_print_value(gallivm
, " blocksize = ",
736 lp_build_const_int32(
738 util_format_get_blocksize(velem
->src_format
)));
739 lp_build_printf(gallivm
, " instance_id = %u\n", instance_id
);
740 lp_build_printf(gallivm
, " stride = %u\n", stride
);
741 lp_build_printf(gallivm
, " buffer size = %u\n", buffer_size
);
742 lp_build_printf(gallivm
, " needed_buffer_size = %u\n", needed_buffer_size
);
743 lp_build_print_value(gallivm
, " buffer overflowed = ", buffer_overflowed
);
746 lp_build_if(&if_ctx
, gallivm
, buffer_overflowed
);
749 lp_build_const_vec(gallivm
, lp_float32_vec4_type(), 0);
750 LLVMBuildStore(builder
, val
, temp_ptr
);
752 lp_build_else(&if_ctx
);
755 map_ptr
= LLVMBuildGEP(builder
, map_ptr
, &stride
, 1, "");
757 val
= lp_build_fetch_rgba_aos(gallivm
,
759 lp_float32_vec4_type(),
762 LLVMBuildStore(builder
, val
, temp_ptr
);
764 lp_build_endif(&if_ctx
);
766 *res
= LLVMBuildLoad(builder
, temp_ptr
, "aos");
770 convert_to_soa(struct gallivm_state
*gallivm
,
771 LLVMValueRef (*src_aos
)[LP_MAX_VECTOR_WIDTH
/ 32],
772 LLVMValueRef (*dst_soa
)[TGSI_NUM_CHANNELS
],
773 unsigned num_attribs
, const struct lp_type soa_type
)
776 struct lp_type aos_channel_type
= soa_type
;
778 debug_assert(TGSI_NUM_CHANNELS
== 4);
779 debug_assert((soa_type
.length
% TGSI_NUM_CHANNELS
) == 0);
781 aos_channel_type
.length
>>= 1;
783 for (i
= 0; i
< num_attribs
; ++i
) {
784 LLVMValueRef aos_channels
[TGSI_NUM_CHANNELS
];
785 unsigned pixels_per_channel
= soa_type
.length
/ TGSI_NUM_CHANNELS
;
787 for (j
= 0; j
< TGSI_NUM_CHANNELS
; ++j
) {
788 LLVMValueRef channel
[LP_MAX_VECTOR_LENGTH
] = { 0 };
790 assert(pixels_per_channel
<= LP_MAX_VECTOR_LENGTH
);
792 for (k
= 0; k
< pixels_per_channel
; ++k
) {
793 channel
[k
] = src_aos
[i
][j
+ TGSI_NUM_CHANNELS
* k
];
796 aos_channels
[j
] = lp_build_concat(gallivm
, channel
, aos_channel_type
, pixels_per_channel
);
799 lp_build_transpose_aos(gallivm
, soa_type
, aos_channels
, dst_soa
[i
]);
805 store_aos(struct gallivm_state
*gallivm
,
810 LLVMTypeRef data_ptr_type
= LLVMPointerType(lp_build_vec_type(gallivm
, lp_float32_vec4_type()), 0);
811 LLVMBuilderRef builder
= gallivm
->builder
;
812 LLVMValueRef data_ptr
= draw_jit_header_data(gallivm
, io_ptr
);
813 LLVMValueRef indices
[3];
815 indices
[0] = lp_build_const_int32(gallivm
, 0);
817 indices
[2] = lp_build_const_int32(gallivm
, 0);
819 data_ptr
= LLVMBuildGEP(builder
, data_ptr
, indices
, 3, "");
820 data_ptr
= LLVMBuildPointerCast(builder
, data_ptr
, data_ptr_type
, "");
823 lp_build_printf(gallivm
, " ---- %p storing attribute %d (io = %p)\n", data_ptr
, index
, io_ptr
);
826 /* Unaligned store due to the vertex header */
827 lp_set_store_alignment(LLVMBuildStore(builder
, value
, data_ptr
), sizeof(float));
831 * Adjust the mask to architecture endianess. The mask will the store in struct:
833 * struct vertex_header {
834 * unsigned clipmask:DRAW_TOTAL_CLIP_PLANES;
835 * unsigned edgeflag:1;
836 * unsigned have_clipdist:1;
837 * unsigned vertex_id:16;
841 * On little-endian machine nothing needs to done, however on bit-endian machine
842 * the mask's fields need to be adjusted with the algorithm:
844 * uint32_t reverse (uint32_t x)
846 * return (x >> 16) | // vertex_id
847 * ((x & 0x3fff) << 18) | // clipmask
848 * ((x & 0x4000) << 3) | // have_clipdist
849 * ((x & 0x8000) << 1); // edgeflag
853 adjust_mask(struct gallivm_state
*gallivm
,
856 #ifdef PIPE_ARCH_BIG_ENDIAN
857 LLVMBuilderRef builder
= gallivm
->builder
;
858 LLVMValueRef vertex_id
;
859 LLVMValueRef clipmask
;
860 LLVMValueRef have_clipdist
;
861 LLVMValueRef edgeflag
;
863 vertex_id
= LLVMBuildLShr(builder
, mask
, lp_build_const_int32(gallivm
, 16), "");
864 clipmask
= LLVMBuildAnd(builder
, mask
, lp_build_const_int32(gallivm
, 0x3fff), "");
865 clipmask
= LLVMBuildShl(builder
, clipmask
, lp_build_const_int32(gallivm
, 18), "");
866 have_clipdist
= LLVMBuildAnd(builder
, mask
, lp_build_const_int32(gallivm
, 0x4000), "");
867 have_clipdist
= LLVMBuildShl(builder
, have_clipdist
, lp_build_const_int32(gallivm
, 3), "");
868 edgeflag
= LLVMBuildAnd(builder
, mask
, lp_build_const_int32(gallivm
, 0x8000), "");
869 edgeflag
= LLVMBuildShl(builder
, edgeflag
, lp_build_const_int32(gallivm
, 1), "");
871 mask
= LLVMBuildOr(builder
, vertex_id
, clipmask
, "");
872 mask
= LLVMBuildOr(builder
, mask
, have_clipdist
, "");
873 mask
= LLVMBuildOr(builder
, mask
, edgeflag
, "");
879 store_aos_array(struct gallivm_state
*gallivm
,
880 struct lp_type soa_type
,
882 LLVMValueRef
*indices
,
886 LLVMValueRef clipmask
,
887 boolean have_clipdist
)
889 LLVMBuilderRef builder
= gallivm
->builder
;
890 LLVMValueRef attr_index
= lp_build_const_int32(gallivm
, attrib
);
891 LLVMValueRef inds
[LP_MAX_VECTOR_WIDTH
/ 32];
892 LLVMValueRef linear_inds
[LP_MAX_VECTOR_WIDTH
/ 32];
893 LLVMValueRef io_ptrs
[LP_MAX_VECTOR_WIDTH
/ 32];
894 int vector_length
= soa_type
.length
;
897 debug_assert(TGSI_NUM_CHANNELS
== 4);
899 for (i
= 0; i
< vector_length
; i
++) {
900 linear_inds
[i
] = lp_build_const_int32(gallivm
, i
);
902 inds
[i
] = indices
[i
];
904 inds
[i
] = linear_inds
[i
];
906 io_ptrs
[i
] = LLVMBuildGEP(builder
, io_ptr
, &inds
[i
], 1, "");
910 /* store vertex header for each of the n vertices */
911 LLVMValueRef val
, cliptmp
;
912 int vertex_id_pad_edgeflag
;
914 /* If this assertion fails, it means we need to update the bit twidding
915 * code here. See struct vertex_header in draw_private.h.
917 assert(DRAW_TOTAL_CLIP_PLANES
==14);
918 /* initialize vertex id:16 = 0xffff, have_clipdist:1 = 0, edgeflag:1 = 1 */
919 vertex_id_pad_edgeflag
= (0xffff << 16) | (1 << DRAW_TOTAL_CLIP_PLANES
);
921 vertex_id_pad_edgeflag
|= 1 << (DRAW_TOTAL_CLIP_PLANES
+1);
922 val
= lp_build_const_int_vec(gallivm
, lp_int_type(soa_type
), vertex_id_pad_edgeflag
);
923 /* OR with the clipmask */
924 cliptmp
= LLVMBuildOr(builder
, val
, clipmask
, "");
925 for (i
= 0; i
< vector_length
; i
++) {
926 LLVMValueRef id_ptr
= draw_jit_header_id(gallivm
, io_ptrs
[i
]);
927 val
= LLVMBuildExtractElement(builder
, cliptmp
, linear_inds
[i
], "");
928 val
= adjust_mask(gallivm
, val
);
929 LLVMBuildStore(builder
, val
, id_ptr
);
931 lp_build_printf(gallivm
, "io = %p, index %d, clipmask = %x\n",
932 io_ptrs
[i
], inds
[i
], val
);
937 /* store for each of the n vertices */
938 for (i
= 0; i
< vector_length
; i
++) {
939 store_aos(gallivm
, io_ptrs
[i
], attr_index
, aos
[i
]);
945 convert_to_aos(struct gallivm_state
*gallivm
,
947 LLVMValueRef
*indices
,
948 LLVMValueRef (*outputs
)[TGSI_NUM_CHANNELS
],
949 LLVMValueRef clipmask
,
951 struct lp_type soa_type
,
952 boolean have_clipdist
)
954 LLVMBuilderRef builder
= gallivm
->builder
;
955 unsigned chan
, attrib
, i
;
958 lp_build_printf(gallivm
, " # storing begin\n");
960 for (attrib
= 0; attrib
< num_outputs
; ++attrib
) {
961 LLVMValueRef soa
[TGSI_NUM_CHANNELS
];
962 LLVMValueRef aos
[LP_MAX_VECTOR_WIDTH
/ 32];
963 for (chan
= 0; chan
< TGSI_NUM_CHANNELS
; ++chan
) {
964 if (outputs
[attrib
][chan
]) {
965 LLVMValueRef out
= LLVMBuildLoad(builder
, outputs
[attrib
][chan
], "");
966 lp_build_name(out
, "output%u.%c", attrib
, "xyzw"[chan
]);
968 lp_build_printf(gallivm
, "output %d : %d ",
969 LLVMConstInt(LLVMInt32TypeInContext(gallivm
->context
),
971 LLVMConstInt(LLVMInt32TypeInContext(gallivm
->context
),
973 lp_build_print_value(gallivm
, "val = ", out
);
976 LLVMBuildBitCast(builder
, out
, lp_build_int_vec_type(gallivm
, soa_type
), "");
978 lp_build_print_value(gallivm
, " ival = ", iv
);
989 if (soa_type
.length
== TGSI_NUM_CHANNELS
) {
990 lp_build_transpose_aos(gallivm
, soa_type
, soa
, aos
);
992 lp_build_transpose_aos(gallivm
, soa_type
, soa
, soa
);
994 for (i
= 0; i
< soa_type
.length
; ++i
) {
995 aos
[i
] = lp_build_extract_range(gallivm
,
996 soa
[i
% TGSI_NUM_CHANNELS
],
997 (i
/ TGSI_NUM_CHANNELS
) * TGSI_NUM_CHANNELS
,
1002 store_aos_array(gallivm
,
1008 clipmask
, have_clipdist
);
1011 lp_build_printf(gallivm
, " # storing end\n");
1017 * Stores original vertex positions in clip coordinates
1020 store_clip(struct gallivm_state
*gallivm
,
1021 const struct lp_type vs_type
,
1022 LLVMValueRef io_ptr
,
1023 LLVMValueRef (*outputs
)[TGSI_NUM_CHANNELS
],
1024 boolean pre_clip_pos
, int idx
)
1026 LLVMBuilderRef builder
= gallivm
->builder
;
1027 LLVMValueRef soa
[4];
1028 LLVMValueRef aos
[LP_MAX_VECTOR_LENGTH
];
1029 LLVMValueRef indices
[2];
1030 LLVMValueRef io_ptrs
[LP_MAX_VECTOR_WIDTH
/ 32];
1031 LLVMValueRef inds
[LP_MAX_VECTOR_WIDTH
/ 32];
1032 LLVMValueRef clip_ptrs
[LP_MAX_VECTOR_WIDTH
/ 32];
1033 LLVMTypeRef clip_ptr_type
=
1034 LLVMPointerType(LLVMVectorType(LLVMFloatTypeInContext(gallivm
->context
),
1039 indices
[1] = lp_build_const_int32(gallivm
, 0);
1041 for (i
= 0; i
< vs_type
.length
; i
++) {
1042 inds
[i
] = lp_build_const_int32(gallivm
, i
);
1043 io_ptrs
[i
] = LLVMBuildGEP(builder
, io_ptr
, &inds
[i
], 1, "");
1046 soa
[0] = LLVMBuildLoad(builder
, outputs
[idx
][0], ""); /*x0 x1 .. xn*/
1047 soa
[1] = LLVMBuildLoad(builder
, outputs
[idx
][1], ""); /*y0 y1 .. yn*/
1048 soa
[2] = LLVMBuildLoad(builder
, outputs
[idx
][2], ""); /*z0 z1 .. zn*/
1049 soa
[3] = LLVMBuildLoad(builder
, outputs
[idx
][3], ""); /*w0 w1 .. wn*/
1051 if (!pre_clip_pos
) {
1052 for (i
= 0; i
< vs_type
.length
; i
++) {
1053 clip_ptrs
[i
] = draw_jit_header_clip(gallivm
, io_ptrs
[i
]);
1056 for (i
= 0; i
< vs_type
.length
; i
++) {
1057 clip_ptrs
[i
] = draw_jit_header_pre_clip_pos(gallivm
, io_ptrs
[i
]);
1061 lp_build_transpose_aos(gallivm
, vs_type
, soa
, soa
);
1062 for (i
= 0; i
< vs_type
.length
; ++i
) {
1063 aos
[i
] = lp_build_extract_range(gallivm
,
1064 soa
[i
% TGSI_NUM_CHANNELS
],
1065 (i
/ TGSI_NUM_CHANNELS
) * TGSI_NUM_CHANNELS
,
1069 for (j
= 0; j
< vs_type
.length
; j
++) {
1070 LLVMValueRef clip_ptr
;
1072 clip_ptr
= LLVMBuildGEP(builder
, clip_ptrs
[j
], indices
, 2, "clipo");
1073 clip_ptr
= LLVMBuildPointerCast(builder
, clip_ptr
, clip_ptr_type
, "");
1075 /* Unaligned store */
1076 lp_set_store_alignment(LLVMBuildStore(builder
, aos
[j
], clip_ptr
), sizeof(float));
1082 * Transforms the outputs for viewport mapping
1085 generate_viewport(struct draw_llvm_variant
*variant
,
1086 LLVMBuilderRef builder
,
1087 struct lp_type vs_type
,
1088 LLVMValueRef (*outputs
)[TGSI_NUM_CHANNELS
],
1089 LLVMValueRef context_ptr
)
1092 struct gallivm_state
*gallivm
= variant
->gallivm
;
1093 struct lp_type f32_type
= vs_type
;
1094 const unsigned pos
= draw_current_shader_position_output(variant
->llvm
->draw
);
1095 LLVMTypeRef vs_type_llvm
= lp_build_vec_type(gallivm
, vs_type
);
1096 LLVMValueRef out3
= LLVMBuildLoad(builder
, outputs
[pos
][3], ""); /*w0 w1 .. wn*/
1097 LLVMValueRef const1
= lp_build_const_vec(gallivm
, f32_type
, 1.0); /*1.0 1.0 1.0 1.0*/
1098 LLVMValueRef vp_ptr
= draw_jit_context_viewport(gallivm
, context_ptr
);
1100 /* for 1/w convention*/
1101 out3
= LLVMBuildFDiv(builder
, const1
, out3
, "");
1102 LLVMBuildStore(builder
, out3
, outputs
[pos
][3]);
1104 /* Viewport Mapping */
1105 for (i
=0; i
<3; i
++) {
1106 LLVMValueRef out
= LLVMBuildLoad(builder
, outputs
[pos
][i
], ""); /*x0 x1 .. xn*/
1109 LLVMValueRef scale_i
;
1110 LLVMValueRef trans_i
;
1113 index
= lp_build_const_int32(gallivm
, i
);
1114 scale_i
= LLVMBuildGEP(builder
, vp_ptr
, &index
, 1, "");
1116 index
= lp_build_const_int32(gallivm
, i
+4);
1117 trans_i
= LLVMBuildGEP(builder
, vp_ptr
, &index
, 1, "");
1119 scale
= lp_build_broadcast(gallivm
, vs_type_llvm
,
1120 LLVMBuildLoad(builder
, scale_i
, "scale"));
1121 trans
= lp_build_broadcast(gallivm
, vs_type_llvm
,
1122 LLVMBuildLoad(builder
, trans_i
, "trans"));
1125 out
= LLVMBuildFMul(builder
, out
, out3
, "");
1127 out
= LLVMBuildFMul(builder
, out
, scale
, "");
1128 /* add translation */
1129 out
= LLVMBuildFAdd(builder
, out
, trans
, "");
1131 /* store transformed outputs */
1132 LLVMBuildStore(builder
, out
, outputs
[pos
][i
]);
1139 * Returns clipmask as nxi32 bitmask for the n vertices
1142 generate_clipmask(struct draw_llvm
*llvm
,
1143 struct gallivm_state
*gallivm
,
1144 struct lp_type vs_type
,
1145 LLVMValueRef (*outputs
)[TGSI_NUM_CHANNELS
],
1150 unsigned ucp_enable
,
1151 LLVMValueRef context_ptr
,
1152 boolean
*have_clipdist
)
1154 LLVMBuilderRef builder
= gallivm
->builder
;
1155 LLVMValueRef mask
; /* stores the <nxi32> clipmasks */
1156 LLVMValueRef test
, temp
;
1157 LLVMValueRef zero
, shift
;
1158 LLVMValueRef pos_x
, pos_y
, pos_z
, pos_w
;
1159 LLVMValueRef cv_x
, cv_y
, cv_z
, cv_w
;
1160 LLVMValueRef plane1
, planes
, plane_ptr
, sum
;
1161 struct lp_type f32_type
= vs_type
;
1162 struct lp_type i32_type
= lp_int_type(vs_type
);
1163 const unsigned pos
= draw_current_shader_position_output(llvm
->draw
);
1164 const unsigned cv
= draw_current_shader_clipvertex_output(llvm
->draw
);
1165 int num_written_clipdistance
= llvm
->draw
->vs
.vertex_shader
->info
.num_written_clipdistance
;
1166 bool have_cd
= false;
1169 cd
[0] = draw_current_shader_clipdistance_output(llvm
->draw
, 0);
1170 cd
[1] = draw_current_shader_clipdistance_output(llvm
->draw
, 1);
1172 if (cd
[0] != pos
|| cd
[1] != pos
)
1175 if (num_written_clipdistance
&& !clip_user
) {
1177 ucp_enable
= (1 << num_written_clipdistance
) - 1;
1180 mask
= lp_build_const_int_vec(gallivm
, i32_type
, 0);
1181 temp
= lp_build_const_int_vec(gallivm
, i32_type
, 0);
1182 zero
= lp_build_const_vec(gallivm
, f32_type
, 0); /* 0.0f 0.0f 0.0f 0.0f */
1183 shift
= lp_build_const_int_vec(gallivm
, i32_type
, 1); /* 1 1 1 1 */
1186 * load clipvertex and position from correct locations.
1187 * if they are the same just load them once.
1189 pos_x
= LLVMBuildLoad(builder
, outputs
[pos
][0], ""); /*x0 x1 .. xn */
1190 pos_y
= LLVMBuildLoad(builder
, outputs
[pos
][1], ""); /*y0 y1 .. yn */
1191 pos_z
= LLVMBuildLoad(builder
, outputs
[pos
][2], ""); /*z0 z1 .. zn */
1192 pos_w
= LLVMBuildLoad(builder
, outputs
[pos
][3], ""); /*w0 w1 .. wn */
1194 if (clip_user
&& cv
!= pos
) {
1195 cv_x
= LLVMBuildLoad(builder
, outputs
[cv
][0], ""); /*x0 x1 .. xn */
1196 cv_y
= LLVMBuildLoad(builder
, outputs
[cv
][1], ""); /*y0 y1 .. yn */
1197 cv_z
= LLVMBuildLoad(builder
, outputs
[cv
][2], ""); /*z0 z1 .. zn */
1198 cv_w
= LLVMBuildLoad(builder
, outputs
[cv
][3], ""); /*w0 w1 .. wn */
1206 /* Cliptest, for hardwired planes */
1209 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, pos_x
, pos_w
);
1211 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1215 test
= LLVMBuildFAdd(builder
, pos_x
, pos_w
, "");
1216 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, test
);
1217 temp
= LLVMBuildShl(builder
, temp
, shift
, "");
1218 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1219 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1222 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, pos_y
, pos_w
);
1223 temp
= LLVMBuildShl(builder
, temp
, shift
, "");
1224 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1225 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1228 test
= LLVMBuildFAdd(builder
, pos_y
, pos_w
, "");
1229 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, test
);
1230 temp
= LLVMBuildShl(builder
, temp
, shift
, "");
1231 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1232 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1236 temp
= lp_build_const_int_vec(gallivm
, i32_type
, 16);
1239 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, pos_z
);
1240 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1241 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1245 test
= LLVMBuildFAdd(builder
, pos_z
, pos_w
, "");
1246 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, test
);
1247 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1248 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1251 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, pos_z
, pos_w
);
1252 temp
= LLVMBuildShl(builder
, temp
, shift
, "");
1253 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1254 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1258 LLVMValueRef planes_ptr
= draw_jit_context_planes(gallivm
, context_ptr
);
1259 LLVMValueRef indices
[3];
1260 LLVMValueRef is_nan_or_inf
;
1262 /* userclip planes */
1263 while (ucp_enable
) {
1264 unsigned plane_idx
= ffs(ucp_enable
)-1;
1265 ucp_enable
&= ~(1 << plane_idx
);
1268 if (have_cd
&& num_written_clipdistance
) {
1269 LLVMValueRef clipdist
;
1273 *have_clipdist
= TRUE
;
1275 clipdist
= LLVMBuildLoad(builder
, outputs
[cd
[0]][i
], "");
1277 clipdist
= LLVMBuildLoad(builder
, outputs
[cd
[1]][i
-4], "");
1279 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, clipdist
);
1280 is_nan_or_inf
= lp_build_is_inf_or_nan(gallivm
, vs_type
, clipdist
);
1281 test
= LLVMBuildOr(builder
, test
, is_nan_or_inf
, "");
1282 temp
= lp_build_const_int_vec(gallivm
, i32_type
, 1 << plane_idx
);
1283 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1284 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1286 LLVMTypeRef vs_type_llvm
= lp_build_vec_type(gallivm
, vs_type
);
1287 indices
[0] = lp_build_const_int32(gallivm
, 0);
1288 indices
[1] = lp_build_const_int32(gallivm
, plane_idx
);
1290 indices
[2] = lp_build_const_int32(gallivm
, 0);
1291 plane_ptr
= LLVMBuildGEP(builder
, planes_ptr
, indices
, 3, "");
1292 plane1
= LLVMBuildLoad(builder
, plane_ptr
, "plane_x");
1293 planes
= lp_build_broadcast(gallivm
, vs_type_llvm
, plane1
);
1294 sum
= LLVMBuildFMul(builder
, planes
, cv_x
, "");
1296 indices
[2] = lp_build_const_int32(gallivm
, 1);
1297 plane_ptr
= LLVMBuildGEP(builder
, planes_ptr
, indices
, 3, "");
1298 plane1
= LLVMBuildLoad(builder
, plane_ptr
, "plane_y");
1299 planes
= lp_build_broadcast(gallivm
, vs_type_llvm
, plane1
);
1300 test
= LLVMBuildFMul(builder
, planes
, cv_y
, "");
1301 sum
= LLVMBuildFAdd(builder
, sum
, test
, "");
1303 indices
[2] = lp_build_const_int32(gallivm
, 2);
1304 plane_ptr
= LLVMBuildGEP(builder
, planes_ptr
, indices
, 3, "");
1305 plane1
= LLVMBuildLoad(builder
, plane_ptr
, "plane_z");
1306 planes
= lp_build_broadcast(gallivm
, vs_type_llvm
, plane1
);
1307 test
= LLVMBuildFMul(builder
, planes
, cv_z
, "");
1308 sum
= LLVMBuildFAdd(builder
, sum
, test
, "");
1310 indices
[2] = lp_build_const_int32(gallivm
, 3);
1311 plane_ptr
= LLVMBuildGEP(builder
, planes_ptr
, indices
, 3, "");
1312 plane1
= LLVMBuildLoad(builder
, plane_ptr
, "plane_w");
1313 planes
= lp_build_broadcast(gallivm
, vs_type_llvm
, plane1
);
1314 test
= LLVMBuildFMul(builder
, planes
, cv_w
, "");
1315 sum
= LLVMBuildFAdd(builder
, sum
, test
, "");
1317 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, sum
);
1318 temp
= lp_build_const_int_vec(gallivm
, i32_type
, 1 << plane_idx
);
1319 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1320 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1329 * Returns boolean if any clipping has occurred
1330 * Used zero/non-zero i32 value to represent boolean
1333 clipmask_booli32(struct gallivm_state
*gallivm
,
1334 const struct lp_type vs_type
,
1335 LLVMValueRef clipmask_bool_ptr
)
1337 LLVMBuilderRef builder
= gallivm
->builder
;
1338 LLVMTypeRef int32_type
= LLVMInt32TypeInContext(gallivm
->context
);
1339 LLVMValueRef clipmask_bool
= LLVMBuildLoad(builder
, clipmask_bool_ptr
, "");
1340 LLVMValueRef ret
= LLVMConstNull(int32_type
);
1345 * Can do this with log2(vector length) pack instructions and one extract
1346 * (as we don't actually need a or) with sse2 which would be way better.
1348 for (i
=0; i
< vs_type
.length
; i
++) {
1349 temp
= LLVMBuildExtractElement(builder
, clipmask_bool
,
1350 lp_build_const_int32(gallivm
, i
) , "");
1351 ret
= LLVMBuildOr(builder
, ret
, temp
, "");
1357 draw_gs_llvm_fetch_input(const struct lp_build_tgsi_gs_iface
*gs_iface
,
1358 struct lp_build_tgsi_context
* bld_base
,
1359 boolean is_vindex_indirect
,
1360 LLVMValueRef vertex_index
,
1361 boolean is_aindex_indirect
,
1362 LLVMValueRef attrib_index
,
1363 LLVMValueRef swizzle_index
)
1365 const struct draw_gs_llvm_iface
*gs
= draw_gs_llvm_iface(gs_iface
);
1366 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1367 LLVMBuilderRef builder
= gallivm
->builder
;
1368 LLVMValueRef indices
[3];
1370 struct lp_type type
= bld_base
->base
.type
;
1372 if (is_vindex_indirect
|| is_aindex_indirect
) {
1374 res
= bld_base
->base
.zero
;
1375 for (i
= 0; i
< type
.length
; ++i
) {
1376 LLVMValueRef idx
= lp_build_const_int32(gallivm
, i
);
1377 LLVMValueRef vert_chan_index
= vertex_index
;
1378 LLVMValueRef attr_chan_index
= attrib_index
;
1379 LLVMValueRef channel_vec
, value
;
1381 if (is_vindex_indirect
) {
1382 vert_chan_index
= LLVMBuildExtractElement(builder
,
1383 vertex_index
, idx
, "");
1385 if (is_aindex_indirect
) {
1386 attr_chan_index
= LLVMBuildExtractElement(builder
,
1387 attrib_index
, idx
, "");
1390 indices
[0] = vert_chan_index
;
1391 indices
[1] = attr_chan_index
;
1392 indices
[2] = swizzle_index
;
1394 channel_vec
= LLVMBuildGEP(builder
, gs
->input
, indices
, 3, "");
1395 channel_vec
= LLVMBuildLoad(builder
, channel_vec
, "");
1396 value
= LLVMBuildExtractElement(builder
, channel_vec
, idx
, "");
1398 res
= LLVMBuildInsertElement(builder
, res
, value
, idx
, "");
1401 indices
[0] = vertex_index
;
1402 indices
[1] = attrib_index
;
1403 indices
[2] = swizzle_index
;
1405 res
= LLVMBuildGEP(builder
, gs
->input
, indices
, 3, "");
1406 res
= LLVMBuildLoad(builder
, res
, "");
1413 draw_gs_llvm_emit_vertex(const struct lp_build_tgsi_gs_iface
*gs_base
,
1414 struct lp_build_tgsi_context
* bld_base
,
1415 LLVMValueRef (*outputs
)[4],
1416 LLVMValueRef emitted_vertices_vec
)
1418 const struct draw_gs_llvm_iface
*gs_iface
= draw_gs_llvm_iface(gs_base
);
1419 struct draw_gs_llvm_variant
*variant
= gs_iface
->variant
;
1420 struct gallivm_state
*gallivm
= variant
->gallivm
;
1421 LLVMBuilderRef builder
= gallivm
->builder
;
1422 struct lp_type gs_type
= bld_base
->base
.type
;
1423 LLVMValueRef clipmask
= lp_build_const_int_vec(gallivm
,
1424 lp_int_type(gs_type
), 0);
1425 LLVMValueRef indices
[LP_MAX_VECTOR_LENGTH
];
1426 LLVMValueRef next_prim_offset
=
1427 lp_build_const_int32(gallivm
, variant
->shader
->base
.primitive_boundary
);
1428 LLVMValueRef io
= variant
->io_ptr
;
1430 const struct tgsi_shader_info
*gs_info
= &variant
->shader
->base
.info
;
1432 for (i
= 0; i
< gs_type
.length
; ++i
) {
1433 LLVMValueRef ind
= lp_build_const_int32(gallivm
, i
);
1434 LLVMValueRef currently_emitted
=
1435 LLVMBuildExtractElement(builder
, emitted_vertices_vec
, ind
, "");
1436 indices
[i
] = LLVMBuildMul(builder
, ind
, next_prim_offset
, "");
1437 indices
[i
] = LLVMBuildAdd(builder
, indices
[i
], currently_emitted
, "");
1440 convert_to_aos(gallivm
, io
, indices
,
1442 gs_info
->num_outputs
, gs_type
,
1447 draw_gs_llvm_end_primitive(const struct lp_build_tgsi_gs_iface
*gs_base
,
1448 struct lp_build_tgsi_context
* bld_base
,
1449 LLVMValueRef verts_per_prim_vec
,
1450 LLVMValueRef emitted_prims_vec
)
1452 const struct draw_gs_llvm_iface
*gs_iface
= draw_gs_llvm_iface(gs_base
);
1453 struct draw_gs_llvm_variant
*variant
= gs_iface
->variant
;
1454 struct gallivm_state
*gallivm
= variant
->gallivm
;
1455 LLVMBuilderRef builder
= gallivm
->builder
;
1456 LLVMValueRef prim_lengts_ptr
=
1457 draw_gs_jit_prim_lengths(variant
->gallivm
, variant
->context_ptr
);
1460 for (i
= 0; i
< bld_base
->base
.type
.length
; ++i
) {
1461 LLVMValueRef ind
= lp_build_const_int32(gallivm
, i
);
1462 LLVMValueRef prims_emitted
=
1463 LLVMBuildExtractElement(builder
, emitted_prims_vec
, ind
, "");
1464 LLVMValueRef store_ptr
;
1465 LLVMValueRef num_vertices
=
1466 LLVMBuildExtractElement(builder
, verts_per_prim_vec
, ind
, "");
1468 store_ptr
= LLVMBuildGEP(builder
, prim_lengts_ptr
, &prims_emitted
, 1, "");
1469 store_ptr
= LLVMBuildLoad(builder
, store_ptr
, "");
1470 store_ptr
= LLVMBuildGEP(builder
, store_ptr
, &ind
, 1, "");
1471 LLVMBuildStore(builder
, num_vertices
, store_ptr
);
1476 draw_gs_llvm_epilogue(const struct lp_build_tgsi_gs_iface
*gs_base
,
1477 struct lp_build_tgsi_context
* bld_base
,
1478 LLVMValueRef total_emitted_vertices_vec
,
1479 LLVMValueRef emitted_prims_vec
)
1481 const struct draw_gs_llvm_iface
*gs_iface
= draw_gs_llvm_iface(gs_base
);
1482 struct draw_gs_llvm_variant
*variant
= gs_iface
->variant
;
1483 struct gallivm_state
*gallivm
= variant
->gallivm
;
1484 LLVMBuilderRef builder
= gallivm
->builder
;
1485 LLVMValueRef emitted_verts_ptr
=
1486 draw_gs_jit_emitted_vertices(gallivm
, variant
->context_ptr
);
1487 LLVMValueRef emitted_prims_ptr
=
1488 draw_gs_jit_emitted_prims(gallivm
, variant
->context_ptr
);
1489 LLVMValueRef zero
= lp_build_const_int32(gallivm
, 0);
1491 emitted_verts_ptr
= LLVMBuildGEP(builder
, emitted_verts_ptr
, &zero
, 0, "");
1492 emitted_prims_ptr
= LLVMBuildGEP(builder
, emitted_prims_ptr
, &zero
, 0, "");
1494 LLVMBuildStore(builder
, total_emitted_vertices_vec
, emitted_verts_ptr
);
1495 LLVMBuildStore(builder
, emitted_prims_vec
, emitted_prims_ptr
);
1499 draw_llvm_generate(struct draw_llvm
*llvm
, struct draw_llvm_variant
*variant
,
1502 struct gallivm_state
*gallivm
= variant
->gallivm
;
1503 LLVMContextRef context
= gallivm
->context
;
1504 LLVMTypeRef int32_type
= LLVMInt32TypeInContext(context
);
1505 LLVMTypeRef arg_types
[10];
1506 unsigned num_arg_types
=
1507 elts
? Elements(arg_types
) : Elements(arg_types
) - 1;
1508 LLVMTypeRef func_type
;
1509 LLVMValueRef context_ptr
;
1510 LLVMBasicBlockRef block
;
1511 LLVMBuilderRef builder
;
1512 struct lp_type vs_type
;
1513 LLVMValueRef end
, start
;
1514 LLVMValueRef count
, fetch_elts
, fetch_elt_max
, fetch_count
;
1515 LLVMValueRef vertex_id_offset
;
1516 LLVMValueRef stride
, step
, io_itr
;
1517 LLVMValueRef io_ptr
, vbuffers_ptr
, vb_ptr
;
1518 LLVMValueRef zero
= lp_build_const_int32(gallivm
, 0);
1519 LLVMValueRef one
= lp_build_const_int32(gallivm
, 1);
1520 struct draw_context
*draw
= llvm
->draw
;
1521 const struct tgsi_shader_info
*vs_info
= &draw
->vs
.vertex_shader
->info
;
1523 struct lp_build_context bld
;
1524 struct lp_build_loop_state lp_loop
;
1525 const int vector_length
= lp_native_vector_width
/ 32;
1526 LLVMValueRef outputs
[PIPE_MAX_SHADER_OUTPUTS
][TGSI_NUM_CHANNELS
];
1527 LLVMValueRef fetch_max
;
1528 struct lp_build_sampler_soa
*sampler
= 0;
1529 LLVMValueRef ret
, clipmask_bool_ptr
;
1530 const struct draw_geometry_shader
*gs
= draw
->gs
.geometry_shader
;
1531 struct draw_llvm_variant_key
*key
= &variant
->key
;
1532 /* If geometry shader is present we need to skip both the viewport
1533 * transformation and clipping otherwise the inputs to the geometry
1534 * shader will be incorrect.
1536 const boolean bypass_viewport
= gs
|| key
->bypass_viewport
;
1537 const boolean enable_cliptest
= !gs
&& (key
->clip_xy
||
1540 LLVMValueRef variant_func
;
1541 const unsigned pos
= draw_current_shader_position_output(llvm
->draw
);
1542 const unsigned cv
= draw_current_shader_clipvertex_output(llvm
->draw
);
1543 boolean have_clipdist
= FALSE
;
1544 struct lp_bld_tgsi_system_values system_values
;
1546 memset(&system_values
, 0, sizeof(system_values
));
1549 arg_types
[i
++] = get_context_ptr_type(variant
); /* context */
1550 arg_types
[i
++] = get_vertex_header_ptr_type(variant
); /* vertex_header */
1551 arg_types
[i
++] = get_buffer_ptr_type(variant
); /* vbuffers */
1553 arg_types
[i
++] = LLVMPointerType(int32_type
, 0);/* fetch_elts */
1554 arg_types
[i
++] = int32_type
; /* fetch_elt_max */
1556 arg_types
[i
++] = int32_type
; /* start */
1557 arg_types
[i
++] = int32_type
; /* fetch_count / count */
1558 arg_types
[i
++] = int32_type
; /* stride */
1559 arg_types
[i
++] = get_vb_ptr_type(variant
); /* pipe_vertex_buffer's */
1560 arg_types
[i
++] = int32_type
; /* instance_id */
1561 arg_types
[i
++] = int32_type
; /* vertex_id_offset */
1563 func_type
= LLVMFunctionType(int32_type
, arg_types
, num_arg_types
, 0);
1565 variant_func
= LLVMAddFunction(gallivm
->module
,
1566 elts
? "draw_llvm_shader_elts" : "draw_llvm_shader",
1570 variant
->function_elts
= variant_func
;
1572 variant
->function
= variant_func
;
1574 LLVMSetFunctionCallConv(variant_func
, LLVMCCallConv
);
1575 for (i
= 0; i
< num_arg_types
; ++i
)
1576 if (LLVMGetTypeKind(arg_types
[i
]) == LLVMPointerTypeKind
)
1577 LLVMAddAttribute(LLVMGetParam(variant_func
, i
),
1578 LLVMNoAliasAttribute
);
1580 context_ptr
= LLVMGetParam(variant_func
, 0);
1581 io_ptr
= LLVMGetParam(variant_func
, 1);
1582 vbuffers_ptr
= LLVMGetParam(variant_func
, 2);
1583 stride
= LLVMGetParam(variant_func
, 5 + (elts
? 1 : 0));
1584 vb_ptr
= LLVMGetParam(variant_func
, 6 + (elts
? 1 : 0));
1585 system_values
.instance_id
= LLVMGetParam(variant_func
, 7 + (elts
? 1 : 0));
1586 vertex_id_offset
= LLVMGetParam(variant_func
, 8 + (elts
? 1 : 0));
1588 lp_build_name(context_ptr
, "context");
1589 lp_build_name(io_ptr
, "io");
1590 lp_build_name(vbuffers_ptr
, "vbuffers");
1591 lp_build_name(stride
, "stride");
1592 lp_build_name(vb_ptr
, "vb");
1593 lp_build_name(system_values
.instance_id
, "instance_id");
1594 lp_build_name(vertex_id_offset
, "vertex_id_offset");
1597 fetch_elts
= LLVMGetParam(variant_func
, 3);
1598 fetch_elt_max
= LLVMGetParam(variant_func
, 4);
1599 fetch_count
= LLVMGetParam(variant_func
, 5);
1600 lp_build_name(fetch_elts
, "fetch_elts");
1601 lp_build_name(fetch_elt_max
, "fetch_elt_max");
1602 lp_build_name(fetch_count
, "fetch_count");
1603 start
= count
= NULL
;
1606 start
= LLVMGetParam(variant_func
, 3);
1607 count
= LLVMGetParam(variant_func
, 4);
1608 lp_build_name(start
, "start");
1609 lp_build_name(count
, "count");
1610 fetch_elts
= fetch_count
= NULL
;
1617 block
= LLVMAppendBasicBlockInContext(gallivm
->context
, variant_func
, "entry");
1618 builder
= gallivm
->builder
;
1619 LLVMPositionBuilderAtEnd(builder
, block
);
1621 lp_build_context_init(&bld
, gallivm
, lp_type_int(32));
1623 memset(&vs_type
, 0, sizeof vs_type
);
1624 vs_type
.floating
= TRUE
; /* floating point values */
1625 vs_type
.sign
= TRUE
; /* values are signed */
1626 vs_type
.norm
= FALSE
; /* values are not limited to [0,1] or [-1,1] */
1627 vs_type
.width
= 32; /* 32-bit float */
1628 vs_type
.length
= vector_length
;
1630 /* hold temporary "bool" clipmask */
1631 clipmask_bool_ptr
= lp_build_alloca(gallivm
, lp_build_int_vec_type(gallivm
, vs_type
), "");
1632 LLVMBuildStore(builder
, lp_build_zero(gallivm
, lp_int_type(vs_type
)), clipmask_bool_ptr
);
1634 /* code generated texture sampling */
1635 sampler
= draw_llvm_sampler_soa_create(
1636 draw_llvm_variant_key_samplers(key
),
1642 count
= fetch_count
;
1645 end
= lp_build_add(&bld
, start
, count
);
1648 step
= lp_build_const_int32(gallivm
, vector_length
);
1650 fetch_max
= LLVMBuildSub(builder
, end
, one
, "fetch_max");
1652 lp_build_loop_begin(&lp_loop
, gallivm
, zero
);
1654 LLVMValueRef inputs
[PIPE_MAX_SHADER_INPUTS
][TGSI_NUM_CHANNELS
];
1655 LLVMValueRef aos_attribs
[PIPE_MAX_SHADER_INPUTS
][LP_MAX_VECTOR_WIDTH
/ 32] = { { 0 } };
1657 LLVMValueRef clipmask
; /* holds the clipmask value */
1658 const LLVMValueRef (*ptr_aos
)[TGSI_NUM_CHANNELS
];
1660 io_itr
= lp_loop
.counter
;
1662 io
= LLVMBuildGEP(builder
, io_ptr
, &io_itr
, 1, "");
1664 lp_build_printf(gallivm
, " --- io %d = %p, loop counter %d\n",
1665 io_itr
, io
, lp_loop
.counter
);
1667 system_values
.vertex_id
= lp_build_zero(gallivm
, lp_type_uint_vec(32, 32*vector_length
));
1668 for (i
= 0; i
< vector_length
; ++i
) {
1669 LLVMValueRef vert_index
=
1670 LLVMBuildAdd(builder
,
1672 lp_build_const_int32(gallivm
, i
), "");
1673 LLVMValueRef true_index
=
1674 LLVMBuildAdd(builder
, start
, vert_index
, "");
1675 LLVMValueRef vertex_id
;
1677 /* make sure we're not out of bounds which can happen
1678 * if fetch_count % 4 != 0, because on the last iteration
1679 * a few of the 4 vertex fetches will be out of bounds */
1680 true_index
= lp_build_min(&bld
, true_index
, fetch_max
);
1683 LLVMValueRef fetch_ptr
;
1684 LLVMValueRef index_overflowed
;
1685 LLVMValueRef index_ptr
=
1688 lp_build_vec_type(gallivm
, lp_type_int(32)), "");
1689 struct lp_build_if_state if_ctx
;
1690 index_overflowed
= LLVMBuildICmp(builder
, LLVMIntUGT
,
1691 true_index
, fetch_elt_max
,
1692 "index_overflowed");
1694 lp_build_if(&if_ctx
, gallivm
, index_overflowed
);
1696 /* Generate maximum possible index so that
1697 * generate_fetch can treat it just like
1698 * any other overflow and return zeros.
1699 * We don't have to worry about the restart
1700 * primitive index because it has already been
1704 lp_build_const_int32(gallivm
, 0xffffffff);
1705 LLVMBuildStore(builder
, val
, index_ptr
);
1707 lp_build_else(&if_ctx
);
1710 fetch_ptr
= LLVMBuildGEP(builder
, fetch_elts
,
1711 &true_index
, 1, "");
1712 val
= LLVMBuildLoad(builder
, fetch_ptr
, "");
1713 LLVMBuildStore(builder
, val
, index_ptr
);
1715 lp_build_endif(&if_ctx
);
1716 true_index
= LLVMBuildLoad(builder
, index_ptr
, "true_index");
1718 /* in the paths with elts vertex id has to be unaffected by the
1719 * index bias and because indices inside our elements array have
1720 * already had index bias applied we need to subtract it here to
1721 * get back to the original index.
1722 * in the linear paths vertex id has to be unaffected by the
1723 * original start index and because we abuse the 'start' variable
1724 * to either represent the actual start index or the index at which
1725 * the primitive was split (we split rendering into chunks of at
1726 * most 4095-vertices) we need to back out the original start
1727 * index out of our vertex id here.
1729 vertex_id
= LLVMBuildSub(builder
, true_index
, vertex_id_offset
, "");
1731 system_values
.vertex_id
= LLVMBuildInsertElement(
1733 system_values
.vertex_id
, vertex_id
,
1734 lp_build_const_int32(gallivm
, i
), "");
1736 for (j
= 0; j
< draw
->pt
.nr_vertex_elements
; ++j
) {
1737 struct pipe_vertex_element
*velem
= &draw
->pt
.vertex_element
[j
];
1738 LLVMValueRef vb_index
=
1739 lp_build_const_int32(gallivm
, velem
->vertex_buffer_index
);
1740 LLVMValueRef vb
= LLVMBuildGEP(builder
, vb_ptr
, &vb_index
, 1, "");
1741 generate_fetch(gallivm
, draw
, vbuffers_ptr
,
1742 &aos_attribs
[j
][i
], velem
, vb
, true_index
,
1743 system_values
.instance_id
);
1746 convert_to_soa(gallivm
, aos_attribs
, inputs
,
1747 draw
->pt
.nr_vertex_elements
, vs_type
);
1749 ptr_aos
= (const LLVMValueRef (*)[TGSI_NUM_CHANNELS
]) inputs
;
1750 generate_vs(variant
,
1758 key
->clamp_vertex_color
);
1760 if (pos
!= -1 && cv
!= -1) {
1761 /* store original positions in clip before further manipulation */
1762 store_clip(gallivm
, vs_type
, io
, outputs
, 0, cv
);
1763 store_clip(gallivm
, vs_type
, io
, outputs
, 1, pos
);
1766 if (enable_cliptest
) {
1767 LLVMValueRef temp
= LLVMBuildLoad(builder
, clipmask_bool_ptr
, "");
1768 /* allocate clipmask, assign it integer type */
1769 clipmask
= generate_clipmask(llvm
,
1778 context_ptr
, &have_clipdist
);
1779 temp
= LLVMBuildOr(builder
, clipmask
, temp
, "");
1780 /* store temporary clipping boolean value */
1781 LLVMBuildStore(builder
, temp
, clipmask_bool_ptr
);
1784 clipmask
= lp_build_const_int_vec(gallivm
, lp_int_type(vs_type
), 0);
1787 /* do viewport mapping */
1788 if (!bypass_viewport
) {
1789 generate_viewport(variant
, builder
, vs_type
, outputs
, context_ptr
);
1793 clipmask
= lp_build_const_int_vec(gallivm
, lp_int_type(vs_type
), 0);
1796 /* store clipmask in vertex header,
1797 * original positions in clip
1798 * and transformed positions in data
1800 convert_to_aos(gallivm
, io
, NULL
, outputs
, clipmask
,
1801 vs_info
->num_outputs
, vs_type
,
1804 lp_build_loop_end_cond(&lp_loop
, count
, step
, LLVMIntUGE
);
1806 sampler
->destroy(sampler
);
1808 /* return clipping boolean value for function */
1809 ret
= clipmask_booli32(gallivm
, vs_type
, clipmask_bool_ptr
);
1811 LLVMBuildRet(builder
, ret
);
1813 gallivm_verify_function(gallivm
, variant_func
);
1817 struct draw_llvm_variant_key
*
1818 draw_llvm_make_variant_key(struct draw_llvm
*llvm
, char *store
)
1821 struct draw_llvm_variant_key
*key
;
1822 struct draw_sampler_static_state
*draw_sampler
;
1824 key
= (struct draw_llvm_variant_key
*)store
;
1826 key
->clamp_vertex_color
= llvm
->draw
->rasterizer
->clamp_vertex_color
; /**/
1828 /* Presumably all variants of the shader should have the same
1829 * number of vertex elements - ie the number of shader inputs.
1830 * NOTE: we NEED to store the needed number of needed inputs
1831 * here, not the number of provided elements to match keysize
1832 * (and the offset of sampler state in the key).
1834 key
->nr_vertex_elements
= llvm
->draw
->vs
.vertex_shader
->info
.file_max
[TGSI_FILE_INPUT
] + 1;
1835 assert(key
->nr_vertex_elements
<= llvm
->draw
->pt
.nr_vertex_elements
);
1837 /* will have to rig this up properly later */
1838 key
->clip_xy
= llvm
->draw
->clip_xy
;
1839 key
->clip_z
= llvm
->draw
->clip_z
;
1840 key
->clip_user
= llvm
->draw
->clip_user
;
1841 key
->bypass_viewport
= llvm
->draw
->identity_viewport
;
1842 key
->clip_halfz
= llvm
->draw
->rasterizer
->clip_halfz
;
1843 key
->need_edgeflags
= (llvm
->draw
->vs
.edgeflag_output
? TRUE
: FALSE
);
1844 key
->ucp_enable
= llvm
->draw
->rasterizer
->clip_plane_enable
;
1845 key
->has_gs
= llvm
->draw
->gs
.geometry_shader
!= NULL
;
1846 key
->num_outputs
= draw_total_vs_outputs(llvm
->draw
);
1849 /* All variants of this shader will have the same value for
1850 * nr_samplers. Not yet trying to compact away holes in the
1853 key
->nr_samplers
= llvm
->draw
->vs
.vertex_shader
->info
.file_max
[TGSI_FILE_SAMPLER
] + 1;
1854 if (llvm
->draw
->vs
.vertex_shader
->info
.file_max
[TGSI_FILE_SAMPLER_VIEW
] != -1) {
1855 key
->nr_sampler_views
=
1856 llvm
->draw
->vs
.vertex_shader
->info
.file_max
[TGSI_FILE_SAMPLER_VIEW
] + 1;
1859 key
->nr_sampler_views
= key
->nr_samplers
;
1862 draw_sampler
= draw_llvm_variant_key_samplers(key
);
1864 memcpy(key
->vertex_element
,
1865 llvm
->draw
->pt
.vertex_element
,
1866 sizeof(struct pipe_vertex_element
) * key
->nr_vertex_elements
);
1868 memset(draw_sampler
, 0, MAX2(key
->nr_samplers
, key
->nr_sampler_views
) * sizeof *draw_sampler
);
1870 for (i
= 0 ; i
< key
->nr_samplers
; i
++) {
1871 lp_sampler_static_sampler_state(&draw_sampler
[i
].sampler_state
,
1872 llvm
->draw
->samplers
[PIPE_SHADER_VERTEX
][i
]);
1874 for (i
= 0 ; i
< key
->nr_sampler_views
; i
++) {
1875 lp_sampler_static_texture_state(&draw_sampler
[i
].texture_state
,
1876 llvm
->draw
->sampler_views
[PIPE_SHADER_VERTEX
][i
]);
1884 draw_llvm_dump_variant_key(struct draw_llvm_variant_key
*key
)
1887 struct draw_sampler_static_state
*sampler
= draw_llvm_variant_key_samplers(key
);
1889 debug_printf("clamp_vertex_color = %u\n", key
->clamp_vertex_color
);
1890 debug_printf("clip_xy = %u\n", key
->clip_xy
);
1891 debug_printf("clip_z = %u\n", key
->clip_z
);
1892 debug_printf("clip_user = %u\n", key
->clip_user
);
1893 debug_printf("bypass_viewport = %u\n", key
->bypass_viewport
);
1894 debug_printf("clip_halfz = %u\n", key
->clip_halfz
);
1895 debug_printf("need_edgeflags = %u\n", key
->need_edgeflags
);
1896 debug_printf("has_gs = %u\n", key
->has_gs
);
1897 debug_printf("ucp_enable = %u\n", key
->ucp_enable
);
1899 for (i
= 0 ; i
< key
->nr_vertex_elements
; i
++) {
1900 debug_printf("vertex_element[%i].src_offset = %u\n", i
, key
->vertex_element
[i
].src_offset
);
1901 debug_printf("vertex_element[%i].instance_divisor = %u\n", i
, key
->vertex_element
[i
].instance_divisor
);
1902 debug_printf("vertex_element[%i].vertex_buffer_index = %u\n", i
, key
->vertex_element
[i
].vertex_buffer_index
);
1903 debug_printf("vertex_element[%i].src_format = %s\n", i
, util_format_name(key
->vertex_element
[i
].src_format
));
1906 for (i
= 0 ; i
< key
->nr_sampler_views
; i
++) {
1907 debug_printf("sampler[%i].src_format = %s\n", i
, util_format_name(sampler
[i
].texture_state
.format
));
1913 draw_llvm_set_mapped_texture(struct draw_context
*draw
,
1914 unsigned shader_stage
,
1916 uint32_t width
, uint32_t height
, uint32_t depth
,
1917 uint32_t first_level
, uint32_t last_level
,
1918 const void *base_ptr
,
1919 uint32_t row_stride
[PIPE_MAX_TEXTURE_LEVELS
],
1920 uint32_t img_stride
[PIPE_MAX_TEXTURE_LEVELS
],
1921 uint32_t mip_offsets
[PIPE_MAX_TEXTURE_LEVELS
])
1924 struct draw_jit_texture
*jit_tex
;
1926 assert(shader_stage
== PIPE_SHADER_VERTEX
||
1927 shader_stage
== PIPE_SHADER_GEOMETRY
);
1929 if (shader_stage
== PIPE_SHADER_VERTEX
) {
1930 assert(sview_idx
< Elements(draw
->llvm
->jit_context
.textures
));
1932 jit_tex
= &draw
->llvm
->jit_context
.textures
[sview_idx
];
1933 } else if (shader_stage
== PIPE_SHADER_GEOMETRY
) {
1934 assert(sview_idx
< Elements(draw
->llvm
->gs_jit_context
.textures
));
1936 jit_tex
= &draw
->llvm
->gs_jit_context
.textures
[sview_idx
];
1942 jit_tex
->width
= width
;
1943 jit_tex
->height
= height
;
1944 jit_tex
->depth
= depth
;
1945 jit_tex
->first_level
= first_level
;
1946 jit_tex
->last_level
= last_level
;
1947 jit_tex
->base
= base_ptr
;
1949 for (j
= first_level
; j
<= last_level
; j
++) {
1950 jit_tex
->mip_offsets
[j
] = mip_offsets
[j
];
1951 jit_tex
->row_stride
[j
] = row_stride
[j
];
1952 jit_tex
->img_stride
[j
] = img_stride
[j
];
1958 draw_llvm_set_sampler_state(struct draw_context
*draw
,
1959 unsigned shader_type
)
1963 if (shader_type
== PIPE_SHADER_VERTEX
) {
1964 for (i
= 0; i
< draw
->num_samplers
[PIPE_SHADER_VERTEX
]; i
++) {
1965 struct draw_jit_sampler
*jit_sam
= &draw
->llvm
->jit_context
.samplers
[i
];
1967 if (draw
->samplers
[i
]) {
1968 const struct pipe_sampler_state
*s
1969 = draw
->samplers
[PIPE_SHADER_VERTEX
][i
];
1970 jit_sam
->min_lod
= s
->min_lod
;
1971 jit_sam
->max_lod
= s
->max_lod
;
1972 jit_sam
->lod_bias
= s
->lod_bias
;
1973 COPY_4V(jit_sam
->border_color
, s
->border_color
.f
);
1976 } else if (shader_type
== PIPE_SHADER_GEOMETRY
) {
1977 for (i
= 0; i
< draw
->num_samplers
[PIPE_SHADER_GEOMETRY
]; i
++) {
1978 struct draw_jit_sampler
*jit_sam
= &draw
->llvm
->gs_jit_context
.samplers
[i
];
1980 if (draw
->samplers
[i
]) {
1981 const struct pipe_sampler_state
*s
1982 = draw
->samplers
[PIPE_SHADER_GEOMETRY
][i
];
1983 jit_sam
->min_lod
= s
->min_lod
;
1984 jit_sam
->max_lod
= s
->max_lod
;
1985 jit_sam
->lod_bias
= s
->lod_bias
;
1986 COPY_4V(jit_sam
->border_color
, s
->border_color
.f
);
1994 draw_llvm_destroy_variant(struct draw_llvm_variant
*variant
)
1996 struct draw_llvm
*llvm
= variant
->llvm
;
1998 if (variant
->function_elts
) {
1999 gallivm_free_function(variant
->gallivm
,
2000 variant
->function_elts
, variant
->jit_func_elts
);
2003 if (variant
->function
) {
2004 gallivm_free_function(variant
->gallivm
,
2005 variant
->function
, variant
->jit_func
);
2008 gallivm_destroy(variant
->gallivm
);
2010 remove_from_list(&variant
->list_item_local
);
2011 variant
->shader
->variants_cached
--;
2012 remove_from_list(&variant
->list_item_global
);
2013 llvm
->nr_variants
--;
2019 * Create LLVM types for various structures.
2022 create_gs_jit_types(struct draw_gs_llvm_variant
*var
)
2024 struct gallivm_state
*gallivm
= var
->gallivm
;
2025 LLVMTypeRef texture_type
, sampler_type
, context_type
;
2027 texture_type
= create_jit_texture_type(gallivm
, "texture");
2028 sampler_type
= create_jit_sampler_type(gallivm
, "sampler");
2030 context_type
= create_gs_jit_context_type(gallivm
,
2031 var
->shader
->base
.vector_length
,
2032 texture_type
, sampler_type
,
2033 "draw_gs_jit_context");
2034 var
->context_ptr_type
= LLVMPointerType(context_type
, 0);
2036 var
->input_array_type
= create_gs_jit_input_type(gallivm
);
2040 get_gs_context_ptr_type(struct draw_gs_llvm_variant
*variant
)
2042 if (!variant
->context_ptr_type
)
2043 create_gs_jit_types(variant
);
2044 return variant
->context_ptr_type
;
2048 generate_mask_value(struct draw_gs_llvm_variant
*variant
,
2049 struct lp_type gs_type
)
2051 struct gallivm_state
*gallivm
= variant
->gallivm
;
2052 LLVMBuilderRef builder
= gallivm
->builder
;
2053 struct lp_type mask_type
= lp_int_type(gs_type
);
2054 LLVMValueRef num_prims
;
2055 LLVMValueRef mask_val
= lp_build_const_vec(gallivm
, mask_type
, 0);
2058 num_prims
= lp_build_broadcast(gallivm
, lp_build_vec_type(gallivm
, mask_type
),
2059 variant
->num_prims
);
2060 for (i
= 0; i
<= gs_type
.length
; i
++) {
2061 LLVMValueRef idx
= lp_build_const_int32(gallivm
, i
);
2062 mask_val
= LLVMBuildInsertElement(builder
, mask_val
, idx
, idx
, "");
2064 mask_val
= lp_build_compare(gallivm
, mask_type
,
2065 PIPE_FUNC_GREATER
, num_prims
, mask_val
);
2071 draw_gs_llvm_generate(struct draw_llvm
*llvm
,
2072 struct draw_gs_llvm_variant
*variant
)
2074 struct gallivm_state
*gallivm
= variant
->gallivm
;
2075 LLVMContextRef context
= gallivm
->context
;
2076 LLVMTypeRef int32_type
= LLVMInt32TypeInContext(context
);
2077 LLVMTypeRef arg_types
[6];
2078 LLVMTypeRef func_type
;
2079 LLVMValueRef variant_func
;
2080 LLVMValueRef context_ptr
;
2081 LLVMValueRef prim_id_ptr
;
2082 LLVMBasicBlockRef block
;
2083 LLVMBuilderRef builder
;
2084 LLVMValueRef io_ptr
, input_array
, num_prims
, mask_val
;
2085 struct lp_build_sampler_soa
*sampler
= 0;
2086 struct lp_build_context bld
;
2087 struct lp_bld_tgsi_system_values system_values
;
2088 struct lp_type gs_type
;
2090 struct draw_gs_llvm_iface gs_iface
;
2091 const struct tgsi_token
*tokens
= variant
->shader
->base
.state
.tokens
;
2092 LLVMValueRef consts_ptr
;
2093 LLVMValueRef outputs
[PIPE_MAX_SHADER_OUTPUTS
][TGSI_NUM_CHANNELS
];
2094 struct lp_build_mask_context mask
;
2095 const struct tgsi_shader_info
*gs_info
= &variant
->shader
->base
.info
;
2096 unsigned vector_length
= variant
->shader
->base
.vector_length
;
2098 memset(&system_values
, 0, sizeof(system_values
));
2100 assert(variant
->vertex_header_ptr_type
);
2102 arg_types
[0] = get_gs_context_ptr_type(variant
); /* context */
2103 arg_types
[1] = variant
->input_array_type
; /* input */
2104 arg_types
[2] = variant
->vertex_header_ptr_type
; /* vertex_header */
2105 arg_types
[3] = int32_type
; /* num_prims */
2106 arg_types
[4] = int32_type
; /* instance_id */
2107 arg_types
[5] = LLVMPointerType(
2108 LLVMVectorType(int32_type
, vector_length
), 0); /* prim_id_ptr */
2110 func_type
= LLVMFunctionType(int32_type
, arg_types
, Elements(arg_types
), 0);
2112 variant_func
= LLVMAddFunction(gallivm
->module
, "draw_geometry_shader",
2114 variant
->function
= variant_func
;
2116 LLVMSetFunctionCallConv(variant_func
, LLVMCCallConv
);
2118 for (i
= 0; i
< Elements(arg_types
); ++i
)
2119 if (LLVMGetTypeKind(arg_types
[i
]) == LLVMPointerTypeKind
)
2120 LLVMAddAttribute(LLVMGetParam(variant_func
, i
),
2121 LLVMNoAliasAttribute
);
2123 context_ptr
= LLVMGetParam(variant_func
, 0);
2124 input_array
= LLVMGetParam(variant_func
, 1);
2125 io_ptr
= LLVMGetParam(variant_func
, 2);
2126 num_prims
= LLVMGetParam(variant_func
, 3);
2127 system_values
.instance_id
= LLVMGetParam(variant_func
, 4);
2128 prim_id_ptr
= LLVMGetParam(variant_func
, 5);
2130 lp_build_name(context_ptr
, "context");
2131 lp_build_name(input_array
, "input");
2132 lp_build_name(io_ptr
, "io");
2133 lp_build_name(num_prims
, "num_prims");
2134 lp_build_name(system_values
.instance_id
, "instance_id");
2135 lp_build_name(prim_id_ptr
, "prim_id_ptr");
2137 variant
->context_ptr
= context_ptr
;
2138 variant
->io_ptr
= io_ptr
;
2139 variant
->num_prims
= num_prims
;
2141 gs_iface
.base
.fetch_input
= draw_gs_llvm_fetch_input
;
2142 gs_iface
.base
.emit_vertex
= draw_gs_llvm_emit_vertex
;
2143 gs_iface
.base
.end_primitive
= draw_gs_llvm_end_primitive
;
2144 gs_iface
.base
.gs_epilogue
= draw_gs_llvm_epilogue
;
2145 gs_iface
.input
= input_array
;
2146 gs_iface
.variant
= variant
;
2152 block
= LLVMAppendBasicBlockInContext(gallivm
->context
, variant_func
, "entry");
2153 builder
= gallivm
->builder
;
2154 LLVMPositionBuilderAtEnd(builder
, block
);
2156 lp_build_context_init(&bld
, gallivm
, lp_type_int(32));
2158 memset(&gs_type
, 0, sizeof gs_type
);
2159 gs_type
.floating
= TRUE
; /* floating point values */
2160 gs_type
.sign
= TRUE
; /* values are signed */
2161 gs_type
.norm
= FALSE
; /* values are not limited to [0,1] or [-1,1] */
2162 gs_type
.width
= 32; /* 32-bit float */
2163 gs_type
.length
= vector_length
;
2165 consts_ptr
= draw_gs_jit_context_constants(variant
->gallivm
, context_ptr
);
2167 /* code generated texture sampling */
2168 sampler
= draw_llvm_sampler_soa_create(variant
->key
.samplers
,
2171 mask_val
= generate_mask_value(variant
, gs_type
);
2172 lp_build_mask_begin(&mask
, gallivm
, gs_type
, mask_val
);
2174 if (gs_info
->uses_primid
) {
2175 system_values
.prim_id
= LLVMBuildLoad(builder
, prim_id_ptr
, "prim_id");
2178 if (gallivm_debug
& (GALLIVM_DEBUG_TGSI
| GALLIVM_DEBUG_IR
)) {
2179 tgsi_dump(tokens
, 0);
2180 draw_gs_llvm_dump_variant_key(&variant
->key
);
2183 lp_build_tgsi_soa(variant
->gallivm
,
2192 &llvm
->draw
->gs
.geometry_shader
->info
,
2193 (const struct lp_build_tgsi_gs_iface
*)&gs_iface
);
2195 sampler
->destroy(sampler
);
2197 lp_build_mask_end(&mask
);
2199 LLVMBuildRet(builder
, lp_build_zero(gallivm
, lp_type_uint(32)));
2201 gallivm_verify_function(gallivm
, variant_func
);
2205 struct draw_gs_llvm_variant
*
2206 draw_gs_llvm_create_variant(struct draw_llvm
*llvm
,
2207 unsigned num_outputs
,
2208 const struct draw_gs_llvm_variant_key
*key
)
2210 struct draw_gs_llvm_variant
*variant
;
2211 struct llvm_geometry_shader
*shader
=
2212 llvm_geometry_shader(llvm
->draw
->gs
.geometry_shader
);
2213 LLVMTypeRef vertex_header
;
2215 variant
= MALLOC(sizeof *variant
+
2216 shader
->variant_key_size
-
2217 sizeof variant
->key
);
2218 if (variant
== NULL
)
2221 variant
->llvm
= llvm
;
2222 variant
->shader
= shader
;
2224 variant
->gallivm
= gallivm_create();
2226 create_gs_jit_types(variant
);
2228 memcpy(&variant
->key
, key
, shader
->variant_key_size
);
2230 vertex_header
= create_jit_vertex_header(variant
->gallivm
, num_outputs
);
2232 variant
->vertex_header_ptr_type
= LLVMPointerType(vertex_header
, 0);
2234 draw_gs_llvm_generate(llvm
, variant
);
2236 gallivm_compile_module(variant
->gallivm
);
2238 variant
->jit_func
= (draw_gs_jit_func
)
2239 gallivm_jit_function(variant
->gallivm
, variant
->function
);
2241 variant
->list_item_global
.base
= variant
;
2242 variant
->list_item_local
.base
= variant
;
2243 /*variant->no = */shader
->variants_created
++;
2244 variant
->list_item_global
.base
= variant
;
2250 draw_gs_llvm_destroy_variant(struct draw_gs_llvm_variant
*variant
)
2252 struct draw_llvm
*llvm
= variant
->llvm
;
2254 if (variant
->function
) {
2255 gallivm_free_function(variant
->gallivm
,
2256 variant
->function
, variant
->jit_func
);
2259 gallivm_destroy(variant
->gallivm
);
2261 remove_from_list(&variant
->list_item_local
);
2262 variant
->shader
->variants_cached
--;
2263 remove_from_list(&variant
->list_item_global
);
2264 llvm
->nr_gs_variants
--;
2268 struct draw_gs_llvm_variant_key
*
2269 draw_gs_llvm_make_variant_key(struct draw_llvm
*llvm
, char *store
)
2272 struct draw_gs_llvm_variant_key
*key
;
2273 struct draw_sampler_static_state
*draw_sampler
;
2275 key
= (struct draw_gs_llvm_variant_key
*)store
;
2277 key
->num_outputs
= draw_total_gs_outputs(llvm
->draw
);
2279 /* All variants of this shader will have the same value for
2280 * nr_samplers. Not yet trying to compact away holes in the
2283 key
->nr_samplers
= llvm
->draw
->gs
.geometry_shader
->info
.file_max
[TGSI_FILE_SAMPLER
] + 1;
2284 if (llvm
->draw
->gs
.geometry_shader
->info
.file_max
[TGSI_FILE_SAMPLER_VIEW
] != -1) {
2285 key
->nr_sampler_views
=
2286 llvm
->draw
->gs
.geometry_shader
->info
.file_max
[TGSI_FILE_SAMPLER_VIEW
] + 1;
2289 key
->nr_sampler_views
= key
->nr_samplers
;
2292 draw_sampler
= key
->samplers
;
2294 memset(draw_sampler
, 0, MAX2(key
->nr_samplers
, key
->nr_sampler_views
) * sizeof *draw_sampler
);
2296 for (i
= 0 ; i
< key
->nr_samplers
; i
++) {
2297 lp_sampler_static_sampler_state(&draw_sampler
[i
].sampler_state
,
2298 llvm
->draw
->samplers
[PIPE_SHADER_GEOMETRY
][i
]);
2300 for (i
= 0 ; i
< key
->nr_sampler_views
; i
++) {
2301 lp_sampler_static_texture_state(&draw_sampler
[i
].texture_state
,
2302 llvm
->draw
->sampler_views
[PIPE_SHADER_GEOMETRY
][i
]);
2309 draw_gs_llvm_dump_variant_key(struct draw_gs_llvm_variant_key
*key
)
2312 struct draw_sampler_static_state
*sampler
= key
->samplers
;
2314 for (i
= 0 ; i
< key
->nr_sampler_views
; i
++) {
2315 debug_printf("sampler[%i].src_format = %s\n", i
,
2316 util_format_name(sampler
[i
].texture_state
.format
));