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 LP_CHECK_MEMBER_OFFSET(struct draw_vertex_buffer
, map
,
101 target
, dvbuffer_type
,
102 DRAW_JIT_DVBUFFER_MAP
);
103 LP_CHECK_MEMBER_OFFSET(struct draw_vertex_buffer
, size
,
104 target
, dvbuffer_type
,
105 DRAW_JIT_DVBUFFER_SIZE
);
107 return dvbuffer_type
;
111 * Create LLVM type for struct draw_jit_texture
114 create_jit_texture_type(struct gallivm_state
*gallivm
, const char *struct_name
)
116 LLVMTargetDataRef target
= gallivm
->target
;
117 LLVMTypeRef texture_type
;
118 LLVMTypeRef elem_types
[DRAW_JIT_TEXTURE_NUM_FIELDS
];
119 LLVMTypeRef int32_type
= LLVMInt32TypeInContext(gallivm
->context
);
121 elem_types
[DRAW_JIT_TEXTURE_WIDTH
] =
122 elem_types
[DRAW_JIT_TEXTURE_HEIGHT
] =
123 elem_types
[DRAW_JIT_TEXTURE_DEPTH
] =
124 elem_types
[DRAW_JIT_TEXTURE_FIRST_LEVEL
] =
125 elem_types
[DRAW_JIT_TEXTURE_LAST_LEVEL
] = int32_type
;
126 elem_types
[DRAW_JIT_TEXTURE_BASE
] =
127 LLVMPointerType(LLVMInt8TypeInContext(gallivm
->context
), 0);
128 elem_types
[DRAW_JIT_TEXTURE_ROW_STRIDE
] =
129 elem_types
[DRAW_JIT_TEXTURE_IMG_STRIDE
] =
130 elem_types
[DRAW_JIT_TEXTURE_MIP_OFFSETS
] =
131 LLVMArrayType(int32_type
, PIPE_MAX_TEXTURE_LEVELS
);
133 texture_type
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
134 Elements(elem_types
), 0);
136 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, width
,
137 target
, texture_type
,
138 DRAW_JIT_TEXTURE_WIDTH
);
139 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, height
,
140 target
, texture_type
,
141 DRAW_JIT_TEXTURE_HEIGHT
);
142 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, depth
,
143 target
, texture_type
,
144 DRAW_JIT_TEXTURE_DEPTH
);
145 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, first_level
,
146 target
, texture_type
,
147 DRAW_JIT_TEXTURE_FIRST_LEVEL
);
148 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, last_level
,
149 target
, texture_type
,
150 DRAW_JIT_TEXTURE_LAST_LEVEL
);
151 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, base
,
152 target
, texture_type
,
153 DRAW_JIT_TEXTURE_BASE
);
154 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, row_stride
,
155 target
, texture_type
,
156 DRAW_JIT_TEXTURE_ROW_STRIDE
);
157 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, img_stride
,
158 target
, texture_type
,
159 DRAW_JIT_TEXTURE_IMG_STRIDE
);
160 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, mip_offsets
,
161 target
, texture_type
,
162 DRAW_JIT_TEXTURE_MIP_OFFSETS
);
164 LP_CHECK_STRUCT_SIZE(struct draw_jit_texture
, target
, texture_type
);
171 * Create LLVM type for struct draw_jit_sampler
174 create_jit_sampler_type(struct gallivm_state
*gallivm
, const char *struct_name
)
176 LLVMTargetDataRef target
= gallivm
->target
;
177 LLVMTypeRef sampler_type
;
178 LLVMTypeRef elem_types
[DRAW_JIT_SAMPLER_NUM_FIELDS
];
180 elem_types
[DRAW_JIT_SAMPLER_MIN_LOD
] =
181 elem_types
[DRAW_JIT_SAMPLER_MAX_LOD
] =
182 elem_types
[DRAW_JIT_SAMPLER_LOD_BIAS
] = LLVMFloatTypeInContext(gallivm
->context
);
183 elem_types
[DRAW_JIT_SAMPLER_BORDER_COLOR
] =
184 LLVMArrayType(LLVMFloatTypeInContext(gallivm
->context
), 4);
186 sampler_type
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
187 Elements(elem_types
), 0);
189 LP_CHECK_MEMBER_OFFSET(struct draw_jit_sampler
, min_lod
,
190 target
, sampler_type
,
191 DRAW_JIT_SAMPLER_MIN_LOD
);
192 LP_CHECK_MEMBER_OFFSET(struct draw_jit_sampler
, max_lod
,
193 target
, sampler_type
,
194 DRAW_JIT_SAMPLER_MAX_LOD
);
195 LP_CHECK_MEMBER_OFFSET(struct draw_jit_sampler
, lod_bias
,
196 target
, sampler_type
,
197 DRAW_JIT_SAMPLER_LOD_BIAS
);
198 LP_CHECK_MEMBER_OFFSET(struct draw_jit_sampler
, border_color
,
199 target
, sampler_type
,
200 DRAW_JIT_SAMPLER_BORDER_COLOR
);
202 LP_CHECK_STRUCT_SIZE(struct draw_jit_sampler
, target
, sampler_type
);
209 * Create LLVM type for struct draw_jit_context
212 create_jit_context_type(struct gallivm_state
*gallivm
,
213 LLVMTypeRef texture_type
, LLVMTypeRef sampler_type
,
214 const char *struct_name
)
216 LLVMTargetDataRef target
= gallivm
->target
;
217 LLVMTypeRef float_type
= LLVMFloatTypeInContext(gallivm
->context
);
218 LLVMTypeRef int_type
= LLVMInt32TypeInContext(gallivm
->context
);
219 LLVMTypeRef elem_types
[DRAW_JIT_CTX_NUM_FIELDS
];
220 LLVMTypeRef context_type
;
222 elem_types
[0] = LLVMArrayType(LLVMPointerType(float_type
, 0), /* vs_constants */
223 LP_MAX_TGSI_CONST_BUFFERS
);
224 elem_types
[1] = LLVMArrayType(int_type
, /* num_vs_constants */
225 LP_MAX_TGSI_CONST_BUFFERS
);
226 elem_types
[2] = LLVMPointerType(LLVMArrayType(LLVMArrayType(float_type
, 4),
227 DRAW_TOTAL_CLIP_PLANES
), 0);
228 elem_types
[3] = LLVMPointerType(float_type
, 0); /* viewports */
229 elem_types
[4] = LLVMArrayType(texture_type
,
230 PIPE_MAX_SHADER_SAMPLER_VIEWS
); /* textures */
231 elem_types
[5] = LLVMArrayType(sampler_type
,
232 PIPE_MAX_SAMPLERS
); /* samplers */
233 context_type
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
234 Elements(elem_types
), 0);
235 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, vs_constants
,
236 target
, context_type
, DRAW_JIT_CTX_CONSTANTS
);
237 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, num_vs_constants
,
238 target
, context_type
, DRAW_JIT_CTX_NUM_CONSTANTS
);
239 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, planes
,
240 target
, context_type
, DRAW_JIT_CTX_PLANES
);
241 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, viewports
,
242 target
, context_type
, DRAW_JIT_CTX_VIEWPORT
);
243 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, textures
,
244 target
, context_type
,
245 DRAW_JIT_CTX_TEXTURES
);
246 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, samplers
,
247 target
, context_type
,
248 DRAW_JIT_CTX_SAMPLERS
);
249 LP_CHECK_STRUCT_SIZE(struct draw_jit_context
,
250 target
, context_type
);
257 * Create LLVM type for struct draw_gs_jit_context
260 create_gs_jit_context_type(struct gallivm_state
*gallivm
,
261 unsigned vector_length
,
262 LLVMTypeRef texture_type
, LLVMTypeRef sampler_type
,
263 const char *struct_name
)
265 LLVMTargetDataRef target
= gallivm
->target
;
266 LLVMTypeRef float_type
= LLVMFloatTypeInContext(gallivm
->context
);
267 LLVMTypeRef int_type
= LLVMInt32TypeInContext(gallivm
->context
);
268 LLVMTypeRef elem_types
[DRAW_GS_JIT_CTX_NUM_FIELDS
];
269 LLVMTypeRef context_type
;
271 elem_types
[0] = LLVMArrayType(LLVMPointerType(float_type
, 0), /* constants */
272 LP_MAX_TGSI_CONST_BUFFERS
);
273 elem_types
[1] = LLVMArrayType(int_type
, /* num_constants */
274 LP_MAX_TGSI_CONST_BUFFERS
);
275 elem_types
[2] = LLVMPointerType(LLVMArrayType(LLVMArrayType(float_type
, 4),
276 DRAW_TOTAL_CLIP_PLANES
), 0);
277 elem_types
[3] = LLVMPointerType(float_type
, 0); /* viewports */
279 elem_types
[4] = LLVMArrayType(texture_type
,
280 PIPE_MAX_SHADER_SAMPLER_VIEWS
); /* textures */
281 elem_types
[5] = LLVMArrayType(sampler_type
,
282 PIPE_MAX_SAMPLERS
); /* samplers */
284 elem_types
[6] = LLVMPointerType(LLVMPointerType(int_type
, 0), 0);
285 elem_types
[7] = LLVMPointerType(LLVMVectorType(int_type
,
287 elem_types
[8] = LLVMPointerType(LLVMVectorType(int_type
,
290 context_type
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
291 Elements(elem_types
), 0);
293 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, constants
,
294 target
, context_type
, DRAW_GS_JIT_CTX_CONSTANTS
);
295 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, num_constants
,
296 target
, context_type
, DRAW_GS_JIT_CTX_NUM_CONSTANTS
);
297 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, planes
,
298 target
, context_type
, DRAW_GS_JIT_CTX_PLANES
);
299 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, viewports
,
300 target
, context_type
, DRAW_GS_JIT_CTX_VIEWPORT
);
301 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, textures
,
302 target
, context_type
,
303 DRAW_GS_JIT_CTX_TEXTURES
);
304 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, samplers
,
305 target
, context_type
,
306 DRAW_GS_JIT_CTX_SAMPLERS
);
307 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, prim_lengths
,
308 target
, context_type
,
309 DRAW_GS_JIT_CTX_PRIM_LENGTHS
);
310 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, emitted_vertices
,
311 target
, context_type
,
312 DRAW_GS_JIT_CTX_EMITTED_VERTICES
);
313 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, emitted_prims
,
314 target
, context_type
,
315 DRAW_GS_JIT_CTX_EMITTED_PRIMS
);
316 LP_CHECK_STRUCT_SIZE(struct draw_gs_jit_context
,
317 target
, context_type
);
324 create_gs_jit_input_type(struct gallivm_state
*gallivm
)
326 LLVMTypeRef float_type
= LLVMFloatTypeInContext(gallivm
->context
);
327 LLVMTypeRef input_array
;
329 input_array
= LLVMVectorType(float_type
, TGSI_NUM_CHANNELS
); /* num primitives */
330 input_array
= LLVMArrayType(input_array
, TGSI_NUM_CHANNELS
); /* num channels */
331 input_array
= LLVMArrayType(input_array
, PIPE_MAX_SHADER_INPUTS
); /* num attrs per vertex */
332 input_array
= LLVMPointerType(input_array
, 0); /* num vertices per prim */
338 * Create LLVM type for struct pipe_vertex_buffer
341 create_jit_vertex_buffer_type(struct gallivm_state
*gallivm
,
342 const char *struct_name
)
344 LLVMTargetDataRef target
= gallivm
->target
;
345 LLVMTypeRef elem_types
[4];
349 elem_types
[1] = LLVMInt32TypeInContext(gallivm
->context
);
351 elem_types
[3] = LLVMPointerType(LLVMInt8TypeInContext(gallivm
->context
), 0);
353 vb_type
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
354 Elements(elem_types
), 0);
356 LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer
, stride
,
358 LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer
, buffer_offset
,
361 LP_CHECK_STRUCT_SIZE(struct pipe_vertex_buffer
, target
, vb_type
);
368 * Create LLVM type for struct vertex_header;
371 create_jit_vertex_header(struct gallivm_state
*gallivm
, int data_elems
)
373 LLVMTargetDataRef target
= gallivm
->target
;
374 LLVMTypeRef elem_types
[4];
375 LLVMTypeRef vertex_header
;
376 char struct_name
[24];
378 util_snprintf(struct_name
, 23, "vertex_header%d", data_elems
);
380 elem_types
[DRAW_JIT_VERTEX_VERTEX_ID
] = LLVMIntTypeInContext(gallivm
->context
, 32);
381 elem_types
[DRAW_JIT_VERTEX_CLIP
] = LLVMArrayType(LLVMFloatTypeInContext(gallivm
->context
), 4);
382 elem_types
[DRAW_JIT_VERTEX_PRE_CLIP_POS
] = LLVMArrayType(LLVMFloatTypeInContext(gallivm
->context
), 4);
383 elem_types
[DRAW_JIT_VERTEX_DATA
] = LLVMArrayType(elem_types
[1], data_elems
);
385 vertex_header
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
386 Elements(elem_types
), 0);
388 /* these are bit-fields and we can't take address of them
389 LP_CHECK_MEMBER_OFFSET(struct vertex_header, clipmask,
390 target, vertex_header,
391 DRAW_JIT_VERTEX_CLIPMASK);
392 LP_CHECK_MEMBER_OFFSET(struct vertex_header, edgeflag,
393 target, vertex_header,
394 DRAW_JIT_VERTEX_EDGEFLAG);
395 LP_CHECK_MEMBER_OFFSET(struct vertex_header, pad,
396 target, vertex_header,
397 DRAW_JIT_VERTEX_PAD);
398 LP_CHECK_MEMBER_OFFSET(struct vertex_header, vertex_id,
399 target, vertex_header,
400 DRAW_JIT_VERTEX_VERTEX_ID);
402 LP_CHECK_MEMBER_OFFSET(struct vertex_header
, clip
,
403 target
, vertex_header
,
404 DRAW_JIT_VERTEX_CLIP
);
405 LP_CHECK_MEMBER_OFFSET(struct vertex_header
, pre_clip_pos
,
406 target
, vertex_header
,
407 DRAW_JIT_VERTEX_PRE_CLIP_POS
);
408 LP_CHECK_MEMBER_OFFSET(struct vertex_header
, data
,
409 target
, vertex_header
,
410 DRAW_JIT_VERTEX_DATA
);
412 assert(LLVMABISizeOfType(target
, vertex_header
) ==
413 offsetof(struct vertex_header
, data
[data_elems
]));
415 return vertex_header
;
420 * Create LLVM types for various structures.
423 create_jit_types(struct draw_llvm_variant
*variant
)
425 struct gallivm_state
*gallivm
= variant
->gallivm
;
426 LLVMTypeRef texture_type
, sampler_type
, context_type
, buffer_type
,
429 texture_type
= create_jit_texture_type(gallivm
, "texture");
430 sampler_type
= create_jit_sampler_type(gallivm
, "sampler");
432 context_type
= create_jit_context_type(gallivm
, texture_type
, sampler_type
,
434 variant
->context_ptr_type
= LLVMPointerType(context_type
, 0);
436 buffer_type
= create_jit_dvbuffer_type(gallivm
, "draw_vertex_buffer");
437 variant
->buffer_ptr_type
= LLVMPointerType(buffer_type
, 0);
439 vb_type
= create_jit_vertex_buffer_type(gallivm
, "pipe_vertex_buffer");
440 variant
->vb_ptr_type
= LLVMPointerType(vb_type
, 0);
445 get_context_ptr_type(struct draw_llvm_variant
*variant
)
447 if (!variant
->context_ptr_type
)
448 create_jit_types(variant
);
449 return variant
->context_ptr_type
;
454 get_buffer_ptr_type(struct draw_llvm_variant
*variant
)
456 if (!variant
->buffer_ptr_type
)
457 create_jit_types(variant
);
458 return variant
->buffer_ptr_type
;
463 get_vb_ptr_type(struct draw_llvm_variant
*variant
)
465 if (!variant
->vb_ptr_type
)
466 create_jit_types(variant
);
467 return variant
->vb_ptr_type
;
471 get_vertex_header_ptr_type(struct draw_llvm_variant
*variant
)
473 if (!variant
->vertex_header_ptr_type
)
474 create_jit_types(variant
);
475 return variant
->vertex_header_ptr_type
;
480 * Create per-context LLVM info.
483 draw_llvm_create(struct draw_context
*draw
, LLVMContextRef context
)
485 struct draw_llvm
*llvm
;
487 if (!lp_build_init())
490 llvm
= CALLOC_STRUCT( draw_llvm
);
496 llvm
->context
= context
;
497 if (!llvm
->context
) {
498 llvm
->context
= LLVMContextCreate();
499 llvm
->context_owned
= true;
504 llvm
->nr_variants
= 0;
505 make_empty_list(&llvm
->vs_variants_list
);
507 llvm
->nr_gs_variants
= 0;
508 make_empty_list(&llvm
->gs_variants_list
);
513 draw_llvm_destroy(llvm
);
519 * Free per-context LLVM info.
522 draw_llvm_destroy(struct draw_llvm
*llvm
)
524 if (llvm
->context_owned
)
525 LLVMContextDispose(llvm
->context
);
526 llvm
->context
= NULL
;
528 /* XXX free other draw_llvm data? */
534 * Create LLVM-generated code for a vertex shader.
536 struct draw_llvm_variant
*
537 draw_llvm_create_variant(struct draw_llvm
*llvm
,
539 const struct draw_llvm_variant_key
*key
)
541 struct draw_llvm_variant
*variant
;
542 struct llvm_vertex_shader
*shader
=
543 llvm_vertex_shader(llvm
->draw
->vs
.vertex_shader
);
544 LLVMTypeRef vertex_header
;
545 char module_name
[64];
547 variant
= MALLOC(sizeof *variant
+
548 shader
->variant_key_size
-
549 sizeof variant
->key
);
553 variant
->llvm
= llvm
;
554 variant
->shader
= shader
;
556 util_snprintf(module_name
, sizeof(module_name
), "draw_llvm_vs_variant%u",
557 variant
->shader
->variants_cached
);
559 variant
->gallivm
= gallivm_create(module_name
, llvm
->context
);
561 create_jit_types(variant
);
563 memcpy(&variant
->key
, key
, shader
->variant_key_size
);
565 vertex_header
= create_jit_vertex_header(variant
->gallivm
, num_inputs
);
567 variant
->vertex_header_ptr_type
= LLVMPointerType(vertex_header
, 0);
569 draw_llvm_generate(llvm
, variant
, FALSE
); /* linear */
570 draw_llvm_generate(llvm
, variant
, TRUE
); /* elts */
572 gallivm_compile_module(variant
->gallivm
);
574 variant
->jit_func
= (draw_jit_vert_func
)
575 gallivm_jit_function(variant
->gallivm
, variant
->function
);
577 variant
->jit_func_elts
= (draw_jit_vert_func_elts
)
578 gallivm_jit_function(variant
->gallivm
, variant
->function_elts
);
580 gallivm_free_ir(variant
->gallivm
);
582 variant
->list_item_global
.base
= variant
;
583 variant
->list_item_local
.base
= variant
;
584 /*variant->no = */shader
->variants_created
++;
585 variant
->list_item_global
.base
= variant
;
592 generate_vs(struct draw_llvm_variant
*variant
,
593 LLVMBuilderRef builder
,
594 struct lp_type vs_type
,
595 LLVMValueRef (*outputs
)[TGSI_NUM_CHANNELS
],
596 const LLVMValueRef (*inputs
)[TGSI_NUM_CHANNELS
],
597 const struct lp_bld_tgsi_system_values
*system_values
,
598 LLVMValueRef context_ptr
,
599 struct lp_build_sampler_soa
*draw_sampler
,
600 boolean clamp_vertex_color
)
602 struct draw_llvm
*llvm
= variant
->llvm
;
603 const struct tgsi_token
*tokens
= llvm
->draw
->vs
.vertex_shader
->state
.tokens
;
604 LLVMValueRef consts_ptr
=
605 draw_jit_context_vs_constants(variant
->gallivm
, context_ptr
);
606 LLVMValueRef num_consts_ptr
=
607 draw_jit_context_num_vs_constants(variant
->gallivm
, context_ptr
);
609 if (gallivm_debug
& (GALLIVM_DEBUG_TGSI
| GALLIVM_DEBUG_IR
)) {
610 tgsi_dump(tokens
, 0);
611 draw_llvm_dump_variant_key(&variant
->key
);
614 lp_build_tgsi_soa(variant
->gallivm
,
617 NULL
/*struct lp_build_mask_context *mask*/,
624 &llvm
->draw
->vs
.vertex_shader
->info
,
629 unsigned chan
, attrib
;
630 struct lp_build_context bld
;
631 struct tgsi_shader_info
* info
= &llvm
->draw
->vs
.vertex_shader
->info
;
632 lp_build_context_init(&bld
, variant
->gallivm
, vs_type
);
634 for (attrib
= 0; attrib
< info
->num_outputs
; ++attrib
) {
635 for (chan
= 0; chan
< TGSI_NUM_CHANNELS
; ++chan
) {
636 if (outputs
[attrib
][chan
]) {
637 switch (info
->output_semantic_name
[attrib
]) {
638 case TGSI_SEMANTIC_COLOR
:
639 case TGSI_SEMANTIC_BCOLOR
:
640 if (clamp_vertex_color
) {
641 out
= LLVMBuildLoad(builder
, outputs
[attrib
][chan
], "");
642 out
= lp_build_clamp(&bld
, out
, bld
.zero
, bld
.one
);
643 LLVMBuildStore(builder
, out
, outputs
[attrib
][chan
]);
654 generate_fetch(struct gallivm_state
*gallivm
,
655 struct draw_context
*draw
,
656 LLVMValueRef vbuffers_ptr
,
658 struct pipe_vertex_element
*velem
,
661 LLVMValueRef instance_id
,
662 LLVMValueRef start_instance
)
664 const struct util_format_description
*format_desc
=
665 util_format_description(velem
->src_format
);
666 LLVMValueRef zero
= LLVMConstNull(LLVMInt32TypeInContext(gallivm
->context
));
667 LLVMBuilderRef builder
= gallivm
->builder
;
668 LLVMValueRef indices
=
669 LLVMConstInt(LLVMInt64TypeInContext(gallivm
->context
),
670 velem
->vertex_buffer_index
, 0);
671 LLVMValueRef vbuffer_ptr
= LLVMBuildGEP(builder
, vbuffers_ptr
,
673 LLVMValueRef vb_stride
= draw_jit_vbuffer_stride(gallivm
, vbuf
);
674 LLVMValueRef vb_buffer_offset
= draw_jit_vbuffer_offset(gallivm
, vbuf
);
675 LLVMValueRef map_ptr
= draw_jit_dvbuffer_map(gallivm
, vbuffer_ptr
);
676 LLVMValueRef buffer_size
= draw_jit_dvbuffer_size(gallivm
, vbuffer_ptr
);
678 LLVMValueRef buffer_overflowed
;
679 LLVMValueRef needed_buffer_size
;
680 LLVMValueRef temp_ptr
=
681 lp_build_alloca(gallivm
,
682 lp_build_vec_type(gallivm
, lp_float32_vec4_type()), "");
683 LLVMValueRef ofbit
= NULL
;
684 struct lp_build_if_state if_ctx
;
686 if (velem
->instance_divisor
) {
687 /* Index is equal to the start instance plus the number of current
688 * instance divided by the divisor. In this case we compute it as:
689 * index = start_instance + (instance_id / divisor)
691 LLVMValueRef current_instance
;
692 current_instance
= LLVMBuildUDiv(builder
, instance_id
,
693 lp_build_const_int32(gallivm
, velem
->instance_divisor
),
695 index
= lp_build_uadd_overflow(gallivm
, start_instance
,
696 current_instance
, &ofbit
);
699 stride
= lp_build_umul_overflow(gallivm
, vb_stride
, index
, &ofbit
);
700 stride
= lp_build_uadd_overflow(gallivm
, stride
, vb_buffer_offset
, &ofbit
);
701 stride
= lp_build_uadd_overflow(
703 lp_build_const_int32(gallivm
, velem
->src_offset
), &ofbit
);
704 needed_buffer_size
= lp_build_uadd_overflow(
706 lp_build_const_int32(gallivm
,
707 util_format_get_blocksize(velem
->src_format
)),
710 buffer_overflowed
= LLVMBuildICmp(builder
, LLVMIntUGT
,
711 needed_buffer_size
, buffer_size
,
712 "buffer_overflowed");
713 buffer_overflowed
= LLVMBuildOr(builder
, buffer_overflowed
, ofbit
, "");
715 lp_build_printf(gallivm
, "vbuf index = %u, vb_stride is %u\n",
717 lp_build_printf(gallivm
, " vb_buffer_offset = %u, src_offset is %u\n",
719 lp_build_const_int32(gallivm
, velem
->src_offset
));
720 lp_build_print_value(gallivm
, " blocksize = ",
721 lp_build_const_int32(
723 util_format_get_blocksize(velem
->src_format
)));
724 lp_build_printf(gallivm
, " instance_id = %u\n", instance_id
);
725 lp_build_printf(gallivm
, " stride = %u\n", stride
);
726 lp_build_printf(gallivm
, " buffer size = %u\n", buffer_size
);
727 lp_build_printf(gallivm
, " needed_buffer_size = %u\n", needed_buffer_size
);
728 lp_build_print_value(gallivm
, " buffer overflowed = ", buffer_overflowed
);
731 lp_build_if(&if_ctx
, gallivm
, buffer_overflowed
);
734 lp_build_const_vec(gallivm
, lp_float32_vec4_type(), 0);
735 LLVMBuildStore(builder
, val
, temp_ptr
);
737 lp_build_else(&if_ctx
);
740 map_ptr
= LLVMBuildGEP(builder
, map_ptr
, &stride
, 1, "");
742 val
= lp_build_fetch_rgba_aos(gallivm
,
744 lp_float32_vec4_type(),
747 LLVMBuildStore(builder
, val
, temp_ptr
);
749 lp_build_endif(&if_ctx
);
751 *res
= LLVMBuildLoad(builder
, temp_ptr
, "aos");
755 convert_to_soa(struct gallivm_state
*gallivm
,
756 LLVMValueRef (*src_aos
)[LP_MAX_VECTOR_WIDTH
/ 32],
757 LLVMValueRef (*dst_soa
)[TGSI_NUM_CHANNELS
],
758 unsigned num_attribs
, const struct lp_type soa_type
)
761 struct lp_type aos_channel_type
= soa_type
;
763 debug_assert(TGSI_NUM_CHANNELS
== 4);
764 debug_assert((soa_type
.length
% TGSI_NUM_CHANNELS
) == 0);
766 aos_channel_type
.length
>>= 1;
768 for (i
= 0; i
< num_attribs
; ++i
) {
769 LLVMValueRef aos_channels
[TGSI_NUM_CHANNELS
];
770 unsigned pixels_per_channel
= soa_type
.length
/ TGSI_NUM_CHANNELS
;
772 for (j
= 0; j
< TGSI_NUM_CHANNELS
; ++j
) {
773 LLVMValueRef channel
[LP_MAX_VECTOR_LENGTH
] = { 0 };
775 assert(pixels_per_channel
<= LP_MAX_VECTOR_LENGTH
);
777 for (k
= 0; k
< pixels_per_channel
; ++k
) {
778 channel
[k
] = src_aos
[i
][j
+ TGSI_NUM_CHANNELS
* k
];
781 aos_channels
[j
] = lp_build_concat(gallivm
, channel
, aos_channel_type
, pixels_per_channel
);
784 lp_build_transpose_aos(gallivm
, soa_type
, aos_channels
, dst_soa
[i
]);
790 store_aos(struct gallivm_state
*gallivm
,
795 LLVMTypeRef data_ptr_type
= LLVMPointerType(lp_build_vec_type(gallivm
, lp_float32_vec4_type()), 0);
796 LLVMBuilderRef builder
= gallivm
->builder
;
797 LLVMValueRef data_ptr
= draw_jit_header_data(gallivm
, io_ptr
);
798 LLVMValueRef indices
[3];
800 indices
[0] = lp_build_const_int32(gallivm
, 0);
802 indices
[2] = lp_build_const_int32(gallivm
, 0);
804 data_ptr
= LLVMBuildGEP(builder
, data_ptr
, indices
, 3, "");
805 data_ptr
= LLVMBuildPointerCast(builder
, data_ptr
, data_ptr_type
, "");
808 lp_build_printf(gallivm
, " ---- %p storing attribute %d (io = %p)\n", data_ptr
, index
, io_ptr
);
811 /* Unaligned store due to the vertex header */
812 lp_set_store_alignment(LLVMBuildStore(builder
, value
, data_ptr
), sizeof(float));
816 * Adjust the mask to architecture endianess. The mask will the store in struct:
818 * struct vertex_header {
819 * unsigned clipmask:DRAW_TOTAL_CLIP_PLANES;
820 * unsigned edgeflag:1;
821 * unsigned have_clipdist:1;
822 * unsigned vertex_id:16;
826 * On little-endian machine nothing needs to done, however on bit-endian machine
827 * the mask's fields need to be adjusted with the algorithm:
829 * uint32_t reverse (uint32_t x)
831 * return (x >> 16) | // vertex_id
832 * ((x & 0x3fff) << 18) | // clipmask
833 * ((x & 0x4000) << 3) | // have_clipdist
834 * ((x & 0x8000) << 1); // edgeflag
838 adjust_mask(struct gallivm_state
*gallivm
,
841 #ifdef PIPE_ARCH_BIG_ENDIAN
842 LLVMBuilderRef builder
= gallivm
->builder
;
843 LLVMValueRef vertex_id
;
844 LLVMValueRef clipmask
;
845 LLVMValueRef have_clipdist
;
846 LLVMValueRef edgeflag
;
848 vertex_id
= LLVMBuildLShr(builder
, mask
, lp_build_const_int32(gallivm
, 16), "");
849 clipmask
= LLVMBuildAnd(builder
, mask
, lp_build_const_int32(gallivm
, 0x3fff), "");
850 clipmask
= LLVMBuildShl(builder
, clipmask
, lp_build_const_int32(gallivm
, 18), "");
851 have_clipdist
= LLVMBuildAnd(builder
, mask
, lp_build_const_int32(gallivm
, 0x4000), "");
852 have_clipdist
= LLVMBuildShl(builder
, have_clipdist
, lp_build_const_int32(gallivm
, 3), "");
853 edgeflag
= LLVMBuildAnd(builder
, mask
, lp_build_const_int32(gallivm
, 0x8000), "");
854 edgeflag
= LLVMBuildShl(builder
, edgeflag
, lp_build_const_int32(gallivm
, 1), "");
856 mask
= LLVMBuildOr(builder
, vertex_id
, clipmask
, "");
857 mask
= LLVMBuildOr(builder
, mask
, have_clipdist
, "");
858 mask
= LLVMBuildOr(builder
, mask
, edgeflag
, "");
864 store_aos_array(struct gallivm_state
*gallivm
,
865 struct lp_type soa_type
,
867 LLVMValueRef
*indices
,
871 LLVMValueRef clipmask
,
872 boolean have_clipdist
)
874 LLVMBuilderRef builder
= gallivm
->builder
;
875 LLVMValueRef attr_index
= lp_build_const_int32(gallivm
, attrib
);
876 LLVMValueRef inds
[LP_MAX_VECTOR_WIDTH
/ 32];
877 LLVMValueRef linear_inds
[LP_MAX_VECTOR_WIDTH
/ 32];
878 LLVMValueRef io_ptrs
[LP_MAX_VECTOR_WIDTH
/ 32];
879 int vector_length
= soa_type
.length
;
882 debug_assert(TGSI_NUM_CHANNELS
== 4);
884 for (i
= 0; i
< vector_length
; i
++) {
885 linear_inds
[i
] = lp_build_const_int32(gallivm
, i
);
887 inds
[i
] = indices
[i
];
889 inds
[i
] = linear_inds
[i
];
891 io_ptrs
[i
] = LLVMBuildGEP(builder
, io_ptr
, &inds
[i
], 1, "");
895 /* store vertex header for each of the n vertices */
896 LLVMValueRef val
, cliptmp
;
897 int vertex_id_pad_edgeflag
;
899 /* If this assertion fails, it means we need to update the bit twidding
900 * code here. See struct vertex_header in draw_private.h.
902 assert(DRAW_TOTAL_CLIP_PLANES
==14);
903 /* initialize vertex id:16 = 0xffff, have_clipdist:1 = 0, edgeflag:1 = 1 */
904 vertex_id_pad_edgeflag
= (0xffff << 16) | (1 << DRAW_TOTAL_CLIP_PLANES
);
906 vertex_id_pad_edgeflag
|= 1 << (DRAW_TOTAL_CLIP_PLANES
+1);
907 val
= lp_build_const_int_vec(gallivm
, lp_int_type(soa_type
), vertex_id_pad_edgeflag
);
908 /* OR with the clipmask */
909 cliptmp
= LLVMBuildOr(builder
, val
, clipmask
, "");
910 for (i
= 0; i
< vector_length
; i
++) {
911 LLVMValueRef id_ptr
= draw_jit_header_id(gallivm
, io_ptrs
[i
]);
912 val
= LLVMBuildExtractElement(builder
, cliptmp
, linear_inds
[i
], "");
913 val
= adjust_mask(gallivm
, val
);
915 lp_build_printf(gallivm
, "io = %p, index %d, clipmask = %x\n",
916 io_ptrs
[i
], inds
[i
], val
);
918 LLVMBuildStore(builder
, val
, id_ptr
);
922 /* store for each of the n vertices */
923 for (i
= 0; i
< vector_length
; i
++) {
924 store_aos(gallivm
, io_ptrs
[i
], attr_index
, aos
[i
]);
930 convert_to_aos(struct gallivm_state
*gallivm
,
932 LLVMValueRef
*indices
,
933 LLVMValueRef (*outputs
)[TGSI_NUM_CHANNELS
],
934 LLVMValueRef clipmask
,
936 struct lp_type soa_type
,
937 boolean have_clipdist
)
939 LLVMBuilderRef builder
= gallivm
->builder
;
940 unsigned chan
, attrib
, i
;
943 lp_build_printf(gallivm
, " # storing begin\n");
945 for (attrib
= 0; attrib
< num_outputs
; ++attrib
) {
946 LLVMValueRef soa
[TGSI_NUM_CHANNELS
];
947 LLVMValueRef aos
[LP_MAX_VECTOR_WIDTH
/ 32];
948 for (chan
= 0; chan
< TGSI_NUM_CHANNELS
; ++chan
) {
949 if (outputs
[attrib
][chan
]) {
950 LLVMValueRef out
= LLVMBuildLoad(builder
, outputs
[attrib
][chan
], "");
951 lp_build_name(out
, "output%u.%c", attrib
, "xyzw"[chan
]);
953 lp_build_printf(gallivm
, "output %d : %d ",
954 LLVMConstInt(LLVMInt32TypeInContext(gallivm
->context
),
956 LLVMConstInt(LLVMInt32TypeInContext(gallivm
->context
),
958 lp_build_print_value(gallivm
, "val = ", out
);
961 LLVMBuildBitCast(builder
, out
, lp_build_int_vec_type(gallivm
, soa_type
), "");
963 lp_build_print_value(gallivm
, " ival = ", iv
);
974 if (soa_type
.length
== TGSI_NUM_CHANNELS
) {
975 lp_build_transpose_aos(gallivm
, soa_type
, soa
, aos
);
977 lp_build_transpose_aos(gallivm
, soa_type
, soa
, soa
);
979 for (i
= 0; i
< soa_type
.length
; ++i
) {
980 aos
[i
] = lp_build_extract_range(gallivm
,
981 soa
[i
% TGSI_NUM_CHANNELS
],
982 (i
/ TGSI_NUM_CHANNELS
) * TGSI_NUM_CHANNELS
,
987 store_aos_array(gallivm
,
993 clipmask
, have_clipdist
);
996 lp_build_printf(gallivm
, " # storing end\n");
1002 * Stores original vertex positions in clip coordinates
1005 store_clip(struct gallivm_state
*gallivm
,
1006 const struct lp_type vs_type
,
1007 LLVMValueRef io_ptr
,
1008 LLVMValueRef (*outputs
)[TGSI_NUM_CHANNELS
],
1009 boolean pre_clip_pos
, int idx
)
1011 LLVMBuilderRef builder
= gallivm
->builder
;
1012 LLVMValueRef soa
[4];
1013 LLVMValueRef aos
[LP_MAX_VECTOR_LENGTH
];
1014 LLVMValueRef indices
[2];
1015 LLVMValueRef io_ptrs
[LP_MAX_VECTOR_WIDTH
/ 32];
1016 LLVMValueRef inds
[LP_MAX_VECTOR_WIDTH
/ 32];
1017 LLVMValueRef clip_ptrs
[LP_MAX_VECTOR_WIDTH
/ 32];
1018 LLVMTypeRef clip_ptr_type
=
1019 LLVMPointerType(LLVMVectorType(LLVMFloatTypeInContext(gallivm
->context
),
1024 indices
[1] = lp_build_const_int32(gallivm
, 0);
1026 for (i
= 0; i
< vs_type
.length
; i
++) {
1027 inds
[i
] = lp_build_const_int32(gallivm
, i
);
1028 io_ptrs
[i
] = LLVMBuildGEP(builder
, io_ptr
, &inds
[i
], 1, "");
1031 soa
[0] = LLVMBuildLoad(builder
, outputs
[idx
][0], ""); /*x0 x1 .. xn*/
1032 soa
[1] = LLVMBuildLoad(builder
, outputs
[idx
][1], ""); /*y0 y1 .. yn*/
1033 soa
[2] = LLVMBuildLoad(builder
, outputs
[idx
][2], ""); /*z0 z1 .. zn*/
1034 soa
[3] = LLVMBuildLoad(builder
, outputs
[idx
][3], ""); /*w0 w1 .. wn*/
1036 if (!pre_clip_pos
) {
1037 for (i
= 0; i
< vs_type
.length
; i
++) {
1038 clip_ptrs
[i
] = draw_jit_header_clip(gallivm
, io_ptrs
[i
]);
1041 for (i
= 0; i
< vs_type
.length
; i
++) {
1042 clip_ptrs
[i
] = draw_jit_header_pre_clip_pos(gallivm
, io_ptrs
[i
]);
1046 lp_build_transpose_aos(gallivm
, vs_type
, soa
, soa
);
1047 for (i
= 0; i
< vs_type
.length
; ++i
) {
1048 aos
[i
] = lp_build_extract_range(gallivm
,
1049 soa
[i
% TGSI_NUM_CHANNELS
],
1050 (i
/ TGSI_NUM_CHANNELS
) * TGSI_NUM_CHANNELS
,
1054 for (j
= 0; j
< vs_type
.length
; j
++) {
1055 LLVMValueRef clip_ptr
;
1057 clip_ptr
= LLVMBuildGEP(builder
, clip_ptrs
[j
], indices
, 2, "clipo");
1058 clip_ptr
= LLVMBuildPointerCast(builder
, clip_ptr
, clip_ptr_type
, "");
1060 /* Unaligned store */
1061 lp_set_store_alignment(LLVMBuildStore(builder
, aos
[j
], clip_ptr
), sizeof(float));
1067 * Transforms the outputs for viewport mapping
1070 generate_viewport(struct draw_llvm_variant
*variant
,
1071 LLVMBuilderRef builder
,
1072 struct lp_type vs_type
,
1073 LLVMValueRef (*outputs
)[TGSI_NUM_CHANNELS
],
1074 LLVMValueRef context_ptr
)
1077 struct gallivm_state
*gallivm
= variant
->gallivm
;
1078 struct lp_type f32_type
= vs_type
;
1079 const unsigned pos
= variant
->llvm
->draw
->vs
.position_output
;
1080 LLVMTypeRef vs_type_llvm
= lp_build_vec_type(gallivm
, vs_type
);
1081 LLVMValueRef out3
= LLVMBuildLoad(builder
, outputs
[pos
][3], ""); /*w0 w1 .. wn*/
1082 LLVMValueRef const1
= lp_build_const_vec(gallivm
, f32_type
, 1.0); /*1.0 1.0 1.0 1.0*/
1083 LLVMValueRef vp_ptr
= draw_jit_context_viewports(gallivm
, context_ptr
);
1085 /* We treat pipe_viewport_state as a float array */
1086 const int scale_index_offset
= offsetof(struct pipe_viewport_state
, scale
) / sizeof(float);
1087 const int trans_index_offset
= offsetof(struct pipe_viewport_state
, translate
) / sizeof(float);
1089 /* for 1/w convention*/
1090 out3
= LLVMBuildFDiv(builder
, const1
, out3
, "");
1091 LLVMBuildStore(builder
, out3
, outputs
[pos
][3]);
1093 /* Viewport Mapping */
1094 for (i
=0; i
<3; i
++) {
1095 LLVMValueRef out
= LLVMBuildLoad(builder
, outputs
[pos
][i
], ""); /*x0 x1 .. xn*/
1098 LLVMValueRef scale_i
;
1099 LLVMValueRef trans_i
;
1102 index
= lp_build_const_int32(gallivm
, i
+ scale_index_offset
);
1103 scale_i
= LLVMBuildGEP(builder
, vp_ptr
, &index
, 1, "");
1105 index
= lp_build_const_int32(gallivm
, i
+ trans_index_offset
);
1106 trans_i
= LLVMBuildGEP(builder
, vp_ptr
, &index
, 1, "");
1108 scale
= lp_build_broadcast(gallivm
, vs_type_llvm
,
1109 LLVMBuildLoad(builder
, scale_i
, "scale"));
1110 trans
= lp_build_broadcast(gallivm
, vs_type_llvm
,
1111 LLVMBuildLoad(builder
, trans_i
, "trans"));
1114 out
= LLVMBuildFMul(builder
, out
, out3
, "");
1116 out
= LLVMBuildFMul(builder
, out
, scale
, "");
1117 /* add translation */
1118 out
= LLVMBuildFAdd(builder
, out
, trans
, "");
1120 /* store transformed outputs */
1121 LLVMBuildStore(builder
, out
, outputs
[pos
][i
]);
1128 * Returns clipmask as nxi32 bitmask for the n vertices
1131 generate_clipmask(struct draw_llvm
*llvm
,
1132 struct gallivm_state
*gallivm
,
1133 struct lp_type vs_type
,
1134 LLVMValueRef (*outputs
)[TGSI_NUM_CHANNELS
],
1139 unsigned ucp_enable
,
1140 LLVMValueRef context_ptr
,
1141 boolean
*have_clipdist
)
1143 LLVMBuilderRef builder
= gallivm
->builder
;
1144 LLVMValueRef mask
; /* stores the <nxi32> clipmasks */
1145 LLVMValueRef test
, temp
;
1146 LLVMValueRef zero
, shift
;
1147 LLVMValueRef pos_x
, pos_y
, pos_z
, pos_w
;
1148 LLVMValueRef cv_x
, cv_y
, cv_z
, cv_w
;
1149 LLVMValueRef plane1
, planes
, plane_ptr
, sum
;
1150 struct lp_type f32_type
= vs_type
;
1151 struct lp_type i32_type
= lp_int_type(vs_type
);
1152 const unsigned pos
= llvm
->draw
->vs
.position_output
;
1153 const unsigned cv
= llvm
->draw
->vs
.clipvertex_output
;
1154 int num_written_clipdistance
= llvm
->draw
->vs
.vertex_shader
->info
.num_written_clipdistance
;
1155 bool have_cd
= false;
1158 cd
[0] = llvm
->draw
->vs
.clipdistance_output
[0];
1159 cd
[1] = llvm
->draw
->vs
.clipdistance_output
[1];
1161 if (cd
[0] != pos
|| cd
[1] != pos
)
1164 if (num_written_clipdistance
&& !clip_user
) {
1166 ucp_enable
= (1 << num_written_clipdistance
) - 1;
1169 mask
= lp_build_const_int_vec(gallivm
, i32_type
, 0);
1170 temp
= lp_build_const_int_vec(gallivm
, i32_type
, 0);
1171 zero
= lp_build_const_vec(gallivm
, f32_type
, 0); /* 0.0f 0.0f 0.0f 0.0f */
1172 shift
= lp_build_const_int_vec(gallivm
, i32_type
, 1); /* 1 1 1 1 */
1175 * load clipvertex and position from correct locations.
1176 * if they are the same just load them once.
1178 pos_x
= LLVMBuildLoad(builder
, outputs
[pos
][0], ""); /*x0 x1 .. xn */
1179 pos_y
= LLVMBuildLoad(builder
, outputs
[pos
][1], ""); /*y0 y1 .. yn */
1180 pos_z
= LLVMBuildLoad(builder
, outputs
[pos
][2], ""); /*z0 z1 .. zn */
1181 pos_w
= LLVMBuildLoad(builder
, outputs
[pos
][3], ""); /*w0 w1 .. wn */
1183 if (clip_user
&& cv
!= pos
) {
1184 cv_x
= LLVMBuildLoad(builder
, outputs
[cv
][0], ""); /*x0 x1 .. xn */
1185 cv_y
= LLVMBuildLoad(builder
, outputs
[cv
][1], ""); /*y0 y1 .. yn */
1186 cv_z
= LLVMBuildLoad(builder
, outputs
[cv
][2], ""); /*z0 z1 .. zn */
1187 cv_w
= LLVMBuildLoad(builder
, outputs
[cv
][3], ""); /*w0 w1 .. wn */
1195 /* Cliptest, for hardwired planes */
1198 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, pos_x
, pos_w
);
1200 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1204 test
= LLVMBuildFAdd(builder
, pos_x
, pos_w
, "");
1205 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, test
);
1206 temp
= LLVMBuildShl(builder
, temp
, shift
, "");
1207 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1208 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1211 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, pos_y
, pos_w
);
1212 temp
= LLVMBuildShl(builder
, temp
, shift
, "");
1213 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1214 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1217 test
= LLVMBuildFAdd(builder
, pos_y
, pos_w
, "");
1218 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, test
);
1219 temp
= LLVMBuildShl(builder
, temp
, shift
, "");
1220 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1221 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1225 temp
= lp_build_const_int_vec(gallivm
, i32_type
, 16);
1228 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, pos_z
);
1229 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1230 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1234 test
= LLVMBuildFAdd(builder
, pos_z
, pos_w
, "");
1235 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, test
);
1236 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1237 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1240 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, pos_z
, pos_w
);
1241 temp
= LLVMBuildShl(builder
, temp
, shift
, "");
1242 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1243 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1247 LLVMValueRef planes_ptr
= draw_jit_context_planes(gallivm
, context_ptr
);
1248 LLVMValueRef indices
[3];
1249 LLVMValueRef is_nan_or_inf
;
1251 /* userclip planes */
1252 while (ucp_enable
) {
1253 unsigned plane_idx
= ffs(ucp_enable
)-1;
1254 ucp_enable
&= ~(1 << plane_idx
);
1257 if (have_cd
&& num_written_clipdistance
) {
1258 LLVMValueRef clipdist
;
1262 *have_clipdist
= TRUE
;
1264 clipdist
= LLVMBuildLoad(builder
, outputs
[cd
[0]][i
], "");
1266 clipdist
= LLVMBuildLoad(builder
, outputs
[cd
[1]][i
-4], "");
1268 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, clipdist
);
1269 is_nan_or_inf
= lp_build_is_inf_or_nan(gallivm
, vs_type
, clipdist
);
1270 test
= LLVMBuildOr(builder
, test
, is_nan_or_inf
, "");
1271 temp
= lp_build_const_int_vec(gallivm
, i32_type
, 1 << plane_idx
);
1272 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1273 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1275 LLVMTypeRef vs_type_llvm
= lp_build_vec_type(gallivm
, vs_type
);
1276 indices
[0] = lp_build_const_int32(gallivm
, 0);
1277 indices
[1] = lp_build_const_int32(gallivm
, plane_idx
);
1279 indices
[2] = lp_build_const_int32(gallivm
, 0);
1280 plane_ptr
= LLVMBuildGEP(builder
, planes_ptr
, indices
, 3, "");
1281 plane1
= LLVMBuildLoad(builder
, plane_ptr
, "plane_x");
1282 planes
= lp_build_broadcast(gallivm
, vs_type_llvm
, plane1
);
1283 sum
= LLVMBuildFMul(builder
, planes
, cv_x
, "");
1285 indices
[2] = lp_build_const_int32(gallivm
, 1);
1286 plane_ptr
= LLVMBuildGEP(builder
, planes_ptr
, indices
, 3, "");
1287 plane1
= LLVMBuildLoad(builder
, plane_ptr
, "plane_y");
1288 planes
= lp_build_broadcast(gallivm
, vs_type_llvm
, plane1
);
1289 test
= LLVMBuildFMul(builder
, planes
, cv_y
, "");
1290 sum
= LLVMBuildFAdd(builder
, sum
, test
, "");
1292 indices
[2] = lp_build_const_int32(gallivm
, 2);
1293 plane_ptr
= LLVMBuildGEP(builder
, planes_ptr
, indices
, 3, "");
1294 plane1
= LLVMBuildLoad(builder
, plane_ptr
, "plane_z");
1295 planes
= lp_build_broadcast(gallivm
, vs_type_llvm
, plane1
);
1296 test
= LLVMBuildFMul(builder
, planes
, cv_z
, "");
1297 sum
= LLVMBuildFAdd(builder
, sum
, test
, "");
1299 indices
[2] = lp_build_const_int32(gallivm
, 3);
1300 plane_ptr
= LLVMBuildGEP(builder
, planes_ptr
, indices
, 3, "");
1301 plane1
= LLVMBuildLoad(builder
, plane_ptr
, "plane_w");
1302 planes
= lp_build_broadcast(gallivm
, vs_type_llvm
, plane1
);
1303 test
= LLVMBuildFMul(builder
, planes
, cv_w
, "");
1304 sum
= LLVMBuildFAdd(builder
, sum
, test
, "");
1306 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, sum
);
1307 temp
= lp_build_const_int_vec(gallivm
, i32_type
, 1 << plane_idx
);
1308 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1309 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1318 * Returns boolean if any clipping has occurred
1319 * Used zero/non-zero i32 value to represent boolean
1322 clipmask_booli32(struct gallivm_state
*gallivm
,
1323 const struct lp_type vs_type
,
1324 LLVMValueRef clipmask_bool_ptr
)
1326 LLVMBuilderRef builder
= gallivm
->builder
;
1327 LLVMTypeRef int32_type
= LLVMInt32TypeInContext(gallivm
->context
);
1328 LLVMValueRef clipmask_bool
= LLVMBuildLoad(builder
, clipmask_bool_ptr
, "");
1329 LLVMValueRef ret
= LLVMConstNull(int32_type
);
1334 * Can do this with log2(vector length) pack instructions and one extract
1335 * (as we don't actually need a or) with sse2 which would be way better.
1337 for (i
=0; i
< vs_type
.length
; i
++) {
1338 temp
= LLVMBuildExtractElement(builder
, clipmask_bool
,
1339 lp_build_const_int32(gallivm
, i
) , "");
1340 ret
= LLVMBuildOr(builder
, ret
, temp
, "");
1346 draw_gs_llvm_fetch_input(const struct lp_build_tgsi_gs_iface
*gs_iface
,
1347 struct lp_build_tgsi_context
* bld_base
,
1348 boolean is_vindex_indirect
,
1349 LLVMValueRef vertex_index
,
1350 boolean is_aindex_indirect
,
1351 LLVMValueRef attrib_index
,
1352 LLVMValueRef swizzle_index
)
1354 const struct draw_gs_llvm_iface
*gs
= draw_gs_llvm_iface(gs_iface
);
1355 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1356 LLVMBuilderRef builder
= gallivm
->builder
;
1357 LLVMValueRef indices
[3];
1359 struct lp_type type
= bld_base
->base
.type
;
1361 if (is_vindex_indirect
|| is_aindex_indirect
) {
1363 res
= bld_base
->base
.zero
;
1364 for (i
= 0; i
< type
.length
; ++i
) {
1365 LLVMValueRef idx
= lp_build_const_int32(gallivm
, i
);
1366 LLVMValueRef vert_chan_index
= vertex_index
;
1367 LLVMValueRef attr_chan_index
= attrib_index
;
1368 LLVMValueRef channel_vec
, value
;
1370 if (is_vindex_indirect
) {
1371 vert_chan_index
= LLVMBuildExtractElement(builder
,
1372 vertex_index
, idx
, "");
1374 if (is_aindex_indirect
) {
1375 attr_chan_index
= LLVMBuildExtractElement(builder
,
1376 attrib_index
, idx
, "");
1379 indices
[0] = vert_chan_index
;
1380 indices
[1] = attr_chan_index
;
1381 indices
[2] = swizzle_index
;
1383 channel_vec
= LLVMBuildGEP(builder
, gs
->input
, indices
, 3, "");
1384 channel_vec
= LLVMBuildLoad(builder
, channel_vec
, "");
1385 value
= LLVMBuildExtractElement(builder
, channel_vec
, idx
, "");
1387 res
= LLVMBuildInsertElement(builder
, res
, value
, idx
, "");
1390 indices
[0] = vertex_index
;
1391 indices
[1] = attrib_index
;
1392 indices
[2] = swizzle_index
;
1394 res
= LLVMBuildGEP(builder
, gs
->input
, indices
, 3, "");
1395 res
= LLVMBuildLoad(builder
, res
, "");
1402 draw_gs_llvm_emit_vertex(const struct lp_build_tgsi_gs_iface
*gs_base
,
1403 struct lp_build_tgsi_context
* bld_base
,
1404 LLVMValueRef (*outputs
)[4],
1405 LLVMValueRef emitted_vertices_vec
)
1407 const struct draw_gs_llvm_iface
*gs_iface
= draw_gs_llvm_iface(gs_base
);
1408 struct draw_gs_llvm_variant
*variant
= gs_iface
->variant
;
1409 struct gallivm_state
*gallivm
= variant
->gallivm
;
1410 LLVMBuilderRef builder
= gallivm
->builder
;
1411 struct lp_type gs_type
= bld_base
->base
.type
;
1412 LLVMValueRef clipmask
= lp_build_const_int_vec(gallivm
,
1413 lp_int_type(gs_type
), 0);
1414 LLVMValueRef indices
[LP_MAX_VECTOR_LENGTH
];
1415 LLVMValueRef next_prim_offset
=
1416 lp_build_const_int32(gallivm
, variant
->shader
->base
.primitive_boundary
);
1417 LLVMValueRef io
= variant
->io_ptr
;
1419 const struct tgsi_shader_info
*gs_info
= &variant
->shader
->base
.info
;
1421 for (i
= 0; i
< gs_type
.length
; ++i
) {
1422 LLVMValueRef ind
= lp_build_const_int32(gallivm
, i
);
1423 LLVMValueRef currently_emitted
=
1424 LLVMBuildExtractElement(builder
, emitted_vertices_vec
, ind
, "");
1425 indices
[i
] = LLVMBuildMul(builder
, ind
, next_prim_offset
, "");
1426 indices
[i
] = LLVMBuildAdd(builder
, indices
[i
], currently_emitted
, "");
1429 convert_to_aos(gallivm
, io
, indices
,
1431 gs_info
->num_outputs
, gs_type
,
1436 draw_gs_llvm_end_primitive(const struct lp_build_tgsi_gs_iface
*gs_base
,
1437 struct lp_build_tgsi_context
* bld_base
,
1438 LLVMValueRef verts_per_prim_vec
,
1439 LLVMValueRef emitted_prims_vec
)
1441 const struct draw_gs_llvm_iface
*gs_iface
= draw_gs_llvm_iface(gs_base
);
1442 struct draw_gs_llvm_variant
*variant
= gs_iface
->variant
;
1443 struct gallivm_state
*gallivm
= variant
->gallivm
;
1444 LLVMBuilderRef builder
= gallivm
->builder
;
1445 LLVMValueRef prim_lengts_ptr
=
1446 draw_gs_jit_prim_lengths(variant
->gallivm
, variant
->context_ptr
);
1449 for (i
= 0; i
< bld_base
->base
.type
.length
; ++i
) {
1450 LLVMValueRef ind
= lp_build_const_int32(gallivm
, i
);
1451 LLVMValueRef prims_emitted
=
1452 LLVMBuildExtractElement(builder
, emitted_prims_vec
, ind
, "");
1453 LLVMValueRef store_ptr
;
1454 LLVMValueRef num_vertices
=
1455 LLVMBuildExtractElement(builder
, verts_per_prim_vec
, ind
, "");
1457 store_ptr
= LLVMBuildGEP(builder
, prim_lengts_ptr
, &prims_emitted
, 1, "");
1458 store_ptr
= LLVMBuildLoad(builder
, store_ptr
, "");
1459 store_ptr
= LLVMBuildGEP(builder
, store_ptr
, &ind
, 1, "");
1460 LLVMBuildStore(builder
, num_vertices
, store_ptr
);
1465 draw_gs_llvm_epilogue(const struct lp_build_tgsi_gs_iface
*gs_base
,
1466 struct lp_build_tgsi_context
* bld_base
,
1467 LLVMValueRef total_emitted_vertices_vec
,
1468 LLVMValueRef emitted_prims_vec
)
1470 const struct draw_gs_llvm_iface
*gs_iface
= draw_gs_llvm_iface(gs_base
);
1471 struct draw_gs_llvm_variant
*variant
= gs_iface
->variant
;
1472 struct gallivm_state
*gallivm
= variant
->gallivm
;
1473 LLVMBuilderRef builder
= gallivm
->builder
;
1474 LLVMValueRef emitted_verts_ptr
=
1475 draw_gs_jit_emitted_vertices(gallivm
, variant
->context_ptr
);
1476 LLVMValueRef emitted_prims_ptr
=
1477 draw_gs_jit_emitted_prims(gallivm
, variant
->context_ptr
);
1478 LLVMValueRef zero
= lp_build_const_int32(gallivm
, 0);
1480 emitted_verts_ptr
= LLVMBuildGEP(builder
, emitted_verts_ptr
, &zero
, 0, "");
1481 emitted_prims_ptr
= LLVMBuildGEP(builder
, emitted_prims_ptr
, &zero
, 0, "");
1483 LLVMBuildStore(builder
, total_emitted_vertices_vec
, emitted_verts_ptr
);
1484 LLVMBuildStore(builder
, emitted_prims_vec
, emitted_prims_ptr
);
1488 draw_llvm_generate(struct draw_llvm
*llvm
, struct draw_llvm_variant
*variant
,
1491 struct gallivm_state
*gallivm
= variant
->gallivm
;
1492 LLVMContextRef context
= gallivm
->context
;
1493 LLVMTypeRef int32_type
= LLVMInt32TypeInContext(context
);
1494 LLVMTypeRef arg_types
[11];
1495 unsigned num_arg_types
=
1496 elts
? Elements(arg_types
) : Elements(arg_types
) - 1;
1497 LLVMTypeRef func_type
;
1498 LLVMValueRef context_ptr
;
1499 LLVMBasicBlockRef block
;
1500 LLVMBuilderRef builder
;
1502 struct lp_type vs_type
;
1503 LLVMValueRef end
, start
;
1504 LLVMValueRef count
, fetch_elts
, fetch_elt_max
, fetch_count
;
1505 LLVMValueRef vertex_id_offset
, start_instance
;
1506 LLVMValueRef stride
, step
, io_itr
;
1507 LLVMValueRef io_ptr
, vbuffers_ptr
, vb_ptr
;
1508 LLVMValueRef zero
= lp_build_const_int32(gallivm
, 0);
1509 LLVMValueRef one
= lp_build_const_int32(gallivm
, 1);
1510 struct draw_context
*draw
= llvm
->draw
;
1511 const struct tgsi_shader_info
*vs_info
= &draw
->vs
.vertex_shader
->info
;
1513 struct lp_build_context bld
;
1514 struct lp_build_loop_state lp_loop
;
1515 const int vector_length
= lp_native_vector_width
/ 32;
1516 LLVMValueRef outputs
[PIPE_MAX_SHADER_OUTPUTS
][TGSI_NUM_CHANNELS
];
1517 LLVMValueRef fetch_max
;
1518 struct lp_build_sampler_soa
*sampler
= 0;
1519 LLVMValueRef ret
, clipmask_bool_ptr
;
1520 struct draw_llvm_variant_key
*key
= &variant
->key
;
1521 /* If geometry shader is present we need to skip both the viewport
1522 * transformation and clipping otherwise the inputs to the geometry
1523 * shader will be incorrect.
1525 const boolean bypass_viewport
= key
->has_gs
|| key
->bypass_viewport
;
1526 const boolean enable_cliptest
= !key
->has_gs
&& (key
->clip_xy
||
1529 LLVMValueRef variant_func
;
1530 const unsigned pos
= llvm
->draw
->vs
.position_output
;
1531 const unsigned cv
= llvm
->draw
->vs
.clipvertex_output
;
1532 boolean have_clipdist
= FALSE
;
1533 struct lp_bld_tgsi_system_values system_values
;
1535 memset(&system_values
, 0, sizeof(system_values
));
1537 util_snprintf(func_name
, sizeof(func_name
), "draw_llvm_vs_variant%u_%s",
1538 variant
->shader
->variants_cached
, elts
? "elts" : "linear");
1541 arg_types
[i
++] = get_context_ptr_type(variant
); /* context */
1542 arg_types
[i
++] = get_vertex_header_ptr_type(variant
); /* vertex_header */
1543 arg_types
[i
++] = get_buffer_ptr_type(variant
); /* vbuffers */
1545 arg_types
[i
++] = LLVMPointerType(int32_type
, 0);/* fetch_elts */
1546 arg_types
[i
++] = int32_type
; /* fetch_elt_max */
1548 arg_types
[i
++] = int32_type
; /* start */
1549 arg_types
[i
++] = int32_type
; /* fetch_count / count */
1550 arg_types
[i
++] = int32_type
; /* stride */
1551 arg_types
[i
++] = get_vb_ptr_type(variant
); /* pipe_vertex_buffer's */
1552 arg_types
[i
++] = int32_type
; /* instance_id */
1553 arg_types
[i
++] = int32_type
; /* vertex_id_offset */
1554 arg_types
[i
++] = int32_type
; /* start_instance */
1556 func_type
= LLVMFunctionType(int32_type
, arg_types
, num_arg_types
, 0);
1558 variant_func
= LLVMAddFunction(gallivm
->module
, func_name
, func_type
);
1561 variant
->function_elts
= variant_func
;
1563 variant
->function
= variant_func
;
1565 LLVMSetFunctionCallConv(variant_func
, LLVMCCallConv
);
1566 for (i
= 0; i
< num_arg_types
; ++i
)
1567 if (LLVMGetTypeKind(arg_types
[i
]) == LLVMPointerTypeKind
)
1568 LLVMAddAttribute(LLVMGetParam(variant_func
, i
),
1569 LLVMNoAliasAttribute
);
1571 context_ptr
= LLVMGetParam(variant_func
, 0);
1572 io_ptr
= LLVMGetParam(variant_func
, 1);
1573 vbuffers_ptr
= LLVMGetParam(variant_func
, 2);
1574 stride
= LLVMGetParam(variant_func
, 5 + (elts
? 1 : 0));
1575 vb_ptr
= LLVMGetParam(variant_func
, 6 + (elts
? 1 : 0));
1576 system_values
.instance_id
= LLVMGetParam(variant_func
, 7 + (elts
? 1 : 0));
1577 vertex_id_offset
= LLVMGetParam(variant_func
, 8 + (elts
? 1 : 0));
1578 start_instance
= LLVMGetParam(variant_func
, 9 + (elts
? 1 : 0));
1580 lp_build_name(context_ptr
, "context");
1581 lp_build_name(io_ptr
, "io");
1582 lp_build_name(vbuffers_ptr
, "vbuffers");
1583 lp_build_name(stride
, "stride");
1584 lp_build_name(vb_ptr
, "vb");
1585 lp_build_name(system_values
.instance_id
, "instance_id");
1586 lp_build_name(vertex_id_offset
, "vertex_id_offset");
1587 lp_build_name(start_instance
, "start_instance");
1590 fetch_elts
= LLVMGetParam(variant_func
, 3);
1591 fetch_elt_max
= LLVMGetParam(variant_func
, 4);
1592 fetch_count
= LLVMGetParam(variant_func
, 5);
1593 lp_build_name(fetch_elts
, "fetch_elts");
1594 lp_build_name(fetch_elt_max
, "fetch_elt_max");
1595 lp_build_name(fetch_count
, "fetch_count");
1596 start
= count
= NULL
;
1599 start
= LLVMGetParam(variant_func
, 3);
1600 count
= LLVMGetParam(variant_func
, 4);
1601 lp_build_name(start
, "start");
1602 lp_build_name(count
, "count");
1603 fetch_elts
= fetch_count
= NULL
;
1610 block
= LLVMAppendBasicBlockInContext(gallivm
->context
, variant_func
, "entry");
1611 builder
= gallivm
->builder
;
1612 LLVMPositionBuilderAtEnd(builder
, block
);
1614 lp_build_context_init(&bld
, gallivm
, lp_type_int(32));
1616 memset(&vs_type
, 0, sizeof vs_type
);
1617 vs_type
.floating
= TRUE
; /* floating point values */
1618 vs_type
.sign
= TRUE
; /* values are signed */
1619 vs_type
.norm
= FALSE
; /* values are not limited to [0,1] or [-1,1] */
1620 vs_type
.width
= 32; /* 32-bit float */
1621 vs_type
.length
= vector_length
;
1623 /* hold temporary "bool" clipmask */
1624 clipmask_bool_ptr
= lp_build_alloca(gallivm
, lp_build_int_vec_type(gallivm
, vs_type
), "");
1625 LLVMBuildStore(builder
, lp_build_zero(gallivm
, lp_int_type(vs_type
)), clipmask_bool_ptr
);
1627 /* code generated texture sampling */
1628 sampler
= draw_llvm_sampler_soa_create(
1629 draw_llvm_variant_key_samplers(key
),
1635 count
= fetch_count
;
1638 end
= lp_build_add(&bld
, start
, count
);
1641 step
= lp_build_const_int32(gallivm
, vector_length
);
1643 fetch_max
= LLVMBuildSub(builder
, end
, one
, "fetch_max");
1645 lp_build_loop_begin(&lp_loop
, gallivm
, zero
);
1647 LLVMValueRef inputs
[PIPE_MAX_SHADER_INPUTS
][TGSI_NUM_CHANNELS
];
1648 LLVMValueRef aos_attribs
[PIPE_MAX_SHADER_INPUTS
][LP_MAX_VECTOR_WIDTH
/ 32] = { { 0 } };
1650 LLVMValueRef clipmask
; /* holds the clipmask value */
1651 const LLVMValueRef (*ptr_aos
)[TGSI_NUM_CHANNELS
];
1653 io_itr
= lp_loop
.counter
;
1655 io
= LLVMBuildGEP(builder
, io_ptr
, &io_itr
, 1, "");
1657 lp_build_printf(gallivm
, " --- io %d = %p, loop counter %d\n",
1658 io_itr
, io
, lp_loop
.counter
);
1660 system_values
.vertex_id
= lp_build_zero(gallivm
, lp_type_uint_vec(32, 32*vector_length
));
1661 for (i
= 0; i
< vector_length
; ++i
) {
1662 LLVMValueRef vert_index
=
1663 LLVMBuildAdd(builder
,
1665 lp_build_const_int32(gallivm
, i
), "");
1666 LLVMValueRef true_index
=
1667 LLVMBuildAdd(builder
, start
, vert_index
, "");
1668 LLVMValueRef vertex_id
;
1670 /* make sure we're not out of bounds which can happen
1671 * if fetch_count % 4 != 0, because on the last iteration
1672 * a few of the 4 vertex fetches will be out of bounds */
1673 true_index
= lp_build_min(&bld
, true_index
, fetch_max
);
1676 LLVMValueRef fetch_ptr
;
1677 LLVMValueRef index_overflowed
;
1678 LLVMValueRef index_ptr
=
1681 lp_build_vec_type(gallivm
, lp_type_int(32)), "");
1682 struct lp_build_if_state if_ctx
;
1683 index_overflowed
= LLVMBuildICmp(builder
, LLVMIntUGT
,
1684 true_index
, fetch_elt_max
,
1685 "index_overflowed");
1687 lp_build_if(&if_ctx
, gallivm
, index_overflowed
);
1689 /* Generate maximum possible index so that
1690 * generate_fetch can treat it just like
1691 * any other overflow and return zeros.
1692 * We don't have to worry about the restart
1693 * primitive index because it has already been
1697 lp_build_const_int32(gallivm
, 0xffffffff);
1698 LLVMBuildStore(builder
, val
, index_ptr
);
1700 lp_build_else(&if_ctx
);
1703 fetch_ptr
= LLVMBuildGEP(builder
, fetch_elts
,
1704 &true_index
, 1, "");
1705 val
= LLVMBuildLoad(builder
, fetch_ptr
, "");
1706 LLVMBuildStore(builder
, val
, index_ptr
);
1708 lp_build_endif(&if_ctx
);
1709 true_index
= LLVMBuildLoad(builder
, index_ptr
, "true_index");
1711 /* in the paths with elts vertex id has to be unaffected by the
1712 * index bias and because indices inside our elements array have
1713 * already had index bias applied we need to subtract it here to
1714 * get back to the original index.
1715 * in the linear paths vertex id has to be unaffected by the
1716 * original start index and because we abuse the 'start' variable
1717 * to either represent the actual start index or the index at which
1718 * the primitive was split (we split rendering into chunks of at
1719 * most 4095-vertices) we need to back out the original start
1720 * index out of our vertex id here.
1722 vertex_id
= LLVMBuildSub(builder
, true_index
, vertex_id_offset
, "");
1724 system_values
.vertex_id
= LLVMBuildInsertElement(
1726 system_values
.vertex_id
, vertex_id
,
1727 lp_build_const_int32(gallivm
, i
), "");
1729 for (j
= 0; j
< draw
->pt
.nr_vertex_elements
; ++j
) {
1730 struct pipe_vertex_element
*velem
= &draw
->pt
.vertex_element
[j
];
1731 LLVMValueRef vb_index
=
1732 lp_build_const_int32(gallivm
, velem
->vertex_buffer_index
);
1733 LLVMValueRef vb
= LLVMBuildGEP(builder
, vb_ptr
, &vb_index
, 1, "");
1734 generate_fetch(gallivm
, draw
, vbuffers_ptr
,
1735 &aos_attribs
[j
][i
], velem
, vb
, true_index
,
1736 system_values
.instance_id
, start_instance
);
1739 convert_to_soa(gallivm
, aos_attribs
, inputs
,
1740 draw
->pt
.nr_vertex_elements
, vs_type
);
1742 ptr_aos
= (const LLVMValueRef (*)[TGSI_NUM_CHANNELS
]) inputs
;
1743 generate_vs(variant
,
1751 key
->clamp_vertex_color
);
1753 if (pos
!= -1 && cv
!= -1) {
1754 /* store original positions in clip before further manipulation */
1755 store_clip(gallivm
, vs_type
, io
, outputs
, FALSE
, key
->clip_user
? cv
: pos
);
1756 store_clip(gallivm
, vs_type
, io
, outputs
, TRUE
, pos
);
1759 if (enable_cliptest
) {
1760 LLVMValueRef temp
= LLVMBuildLoad(builder
, clipmask_bool_ptr
, "");
1761 /* allocate clipmask, assign it integer type */
1762 clipmask
= generate_clipmask(llvm
,
1771 context_ptr
, &have_clipdist
);
1772 temp
= LLVMBuildOr(builder
, clipmask
, temp
, "");
1773 /* store temporary clipping boolean value */
1774 LLVMBuildStore(builder
, temp
, clipmask_bool_ptr
);
1777 clipmask
= lp_build_const_int_vec(gallivm
, lp_int_type(vs_type
), 0);
1780 /* do viewport mapping */
1781 if (!bypass_viewport
) {
1782 generate_viewport(variant
, builder
, vs_type
, outputs
, context_ptr
);
1786 clipmask
= lp_build_const_int_vec(gallivm
, lp_int_type(vs_type
), 0);
1789 /* store clipmask in vertex header,
1790 * original positions in clip
1791 * and transformed positions in data
1793 convert_to_aos(gallivm
, io
, NULL
, outputs
, clipmask
,
1794 vs_info
->num_outputs
, vs_type
,
1797 lp_build_loop_end_cond(&lp_loop
, count
, step
, LLVMIntUGE
);
1799 sampler
->destroy(sampler
);
1801 /* return clipping boolean value for function */
1802 ret
= clipmask_booli32(gallivm
, vs_type
, clipmask_bool_ptr
);
1804 LLVMBuildRet(builder
, ret
);
1806 gallivm_verify_function(gallivm
, variant_func
);
1810 struct draw_llvm_variant_key
*
1811 draw_llvm_make_variant_key(struct draw_llvm
*llvm
, char *store
)
1814 struct draw_llvm_variant_key
*key
;
1815 struct draw_sampler_static_state
*draw_sampler
;
1817 key
= (struct draw_llvm_variant_key
*)store
;
1819 key
->clamp_vertex_color
= llvm
->draw
->rasterizer
->clamp_vertex_color
; /**/
1821 /* Presumably all variants of the shader should have the same
1822 * number of vertex elements - ie the number of shader inputs.
1823 * NOTE: we NEED to store the needed number of needed inputs
1824 * here, not the number of provided elements to match keysize
1825 * (and the offset of sampler state in the key).
1827 key
->nr_vertex_elements
= llvm
->draw
->vs
.vertex_shader
->info
.file_max
[TGSI_FILE_INPUT
] + 1;
1828 assert(key
->nr_vertex_elements
<= llvm
->draw
->pt
.nr_vertex_elements
);
1830 /* will have to rig this up properly later */
1831 key
->clip_xy
= llvm
->draw
->clip_xy
;
1832 key
->clip_z
= llvm
->draw
->clip_z
;
1833 key
->clip_user
= llvm
->draw
->clip_user
;
1834 key
->bypass_viewport
= llvm
->draw
->identity_viewport
;
1835 key
->clip_halfz
= llvm
->draw
->rasterizer
->clip_halfz
;
1836 key
->need_edgeflags
= (llvm
->draw
->vs
.edgeflag_output
? TRUE
: FALSE
);
1837 key
->ucp_enable
= llvm
->draw
->rasterizer
->clip_plane_enable
;
1838 key
->has_gs
= llvm
->draw
->gs
.geometry_shader
!= NULL
;
1839 key
->num_outputs
= draw_total_vs_outputs(llvm
->draw
);
1842 /* All variants of this shader will have the same value for
1843 * nr_samplers. Not yet trying to compact away holes in the
1846 key
->nr_samplers
= llvm
->draw
->vs
.vertex_shader
->info
.file_max
[TGSI_FILE_SAMPLER
] + 1;
1847 if (llvm
->draw
->vs
.vertex_shader
->info
.file_max
[TGSI_FILE_SAMPLER_VIEW
] != -1) {
1848 key
->nr_sampler_views
=
1849 llvm
->draw
->vs
.vertex_shader
->info
.file_max
[TGSI_FILE_SAMPLER_VIEW
] + 1;
1852 key
->nr_sampler_views
= key
->nr_samplers
;
1855 draw_sampler
= draw_llvm_variant_key_samplers(key
);
1857 memcpy(key
->vertex_element
,
1858 llvm
->draw
->pt
.vertex_element
,
1859 sizeof(struct pipe_vertex_element
) * key
->nr_vertex_elements
);
1861 memset(draw_sampler
, 0, MAX2(key
->nr_samplers
, key
->nr_sampler_views
) * sizeof *draw_sampler
);
1863 for (i
= 0 ; i
< key
->nr_samplers
; i
++) {
1864 lp_sampler_static_sampler_state(&draw_sampler
[i
].sampler_state
,
1865 llvm
->draw
->samplers
[PIPE_SHADER_VERTEX
][i
]);
1867 for (i
= 0 ; i
< key
->nr_sampler_views
; i
++) {
1868 lp_sampler_static_texture_state(&draw_sampler
[i
].texture_state
,
1869 llvm
->draw
->sampler_views
[PIPE_SHADER_VERTEX
][i
]);
1877 draw_llvm_dump_variant_key(struct draw_llvm_variant_key
*key
)
1880 struct draw_sampler_static_state
*sampler
= draw_llvm_variant_key_samplers(key
);
1882 debug_printf("clamp_vertex_color = %u\n", key
->clamp_vertex_color
);
1883 debug_printf("clip_xy = %u\n", key
->clip_xy
);
1884 debug_printf("clip_z = %u\n", key
->clip_z
);
1885 debug_printf("clip_user = %u\n", key
->clip_user
);
1886 debug_printf("bypass_viewport = %u\n", key
->bypass_viewport
);
1887 debug_printf("clip_halfz = %u\n", key
->clip_halfz
);
1888 debug_printf("need_edgeflags = %u\n", key
->need_edgeflags
);
1889 debug_printf("has_gs = %u\n", key
->has_gs
);
1890 debug_printf("ucp_enable = %u\n", key
->ucp_enable
);
1892 for (i
= 0 ; i
< key
->nr_vertex_elements
; i
++) {
1893 debug_printf("vertex_element[%i].src_offset = %u\n", i
, key
->vertex_element
[i
].src_offset
);
1894 debug_printf("vertex_element[%i].instance_divisor = %u\n", i
, key
->vertex_element
[i
].instance_divisor
);
1895 debug_printf("vertex_element[%i].vertex_buffer_index = %u\n", i
, key
->vertex_element
[i
].vertex_buffer_index
);
1896 debug_printf("vertex_element[%i].src_format = %s\n", i
, util_format_name(key
->vertex_element
[i
].src_format
));
1899 for (i
= 0 ; i
< key
->nr_sampler_views
; i
++) {
1900 debug_printf("sampler[%i].src_format = %s\n", i
, util_format_name(sampler
[i
].texture_state
.format
));
1906 draw_llvm_set_mapped_texture(struct draw_context
*draw
,
1907 unsigned shader_stage
,
1909 uint32_t width
, uint32_t height
, uint32_t depth
,
1910 uint32_t first_level
, uint32_t last_level
,
1911 const void *base_ptr
,
1912 uint32_t row_stride
[PIPE_MAX_TEXTURE_LEVELS
],
1913 uint32_t img_stride
[PIPE_MAX_TEXTURE_LEVELS
],
1914 uint32_t mip_offsets
[PIPE_MAX_TEXTURE_LEVELS
])
1917 struct draw_jit_texture
*jit_tex
;
1919 assert(shader_stage
== PIPE_SHADER_VERTEX
||
1920 shader_stage
== PIPE_SHADER_GEOMETRY
);
1922 if (shader_stage
== PIPE_SHADER_VERTEX
) {
1923 assert(sview_idx
< Elements(draw
->llvm
->jit_context
.textures
));
1925 jit_tex
= &draw
->llvm
->jit_context
.textures
[sview_idx
];
1926 } else if (shader_stage
== PIPE_SHADER_GEOMETRY
) {
1927 assert(sview_idx
< Elements(draw
->llvm
->gs_jit_context
.textures
));
1929 jit_tex
= &draw
->llvm
->gs_jit_context
.textures
[sview_idx
];
1935 jit_tex
->width
= width
;
1936 jit_tex
->height
= height
;
1937 jit_tex
->depth
= depth
;
1938 jit_tex
->first_level
= first_level
;
1939 jit_tex
->last_level
= last_level
;
1940 jit_tex
->base
= base_ptr
;
1942 for (j
= first_level
; j
<= last_level
; j
++) {
1943 jit_tex
->mip_offsets
[j
] = mip_offsets
[j
];
1944 jit_tex
->row_stride
[j
] = row_stride
[j
];
1945 jit_tex
->img_stride
[j
] = img_stride
[j
];
1951 draw_llvm_set_sampler_state(struct draw_context
*draw
,
1952 unsigned shader_type
)
1956 if (shader_type
== PIPE_SHADER_VERTEX
) {
1957 for (i
= 0; i
< draw
->num_samplers
[PIPE_SHADER_VERTEX
]; i
++) {
1958 struct draw_jit_sampler
*jit_sam
= &draw
->llvm
->jit_context
.samplers
[i
];
1960 if (draw
->samplers
[i
]) {
1961 const struct pipe_sampler_state
*s
1962 = draw
->samplers
[PIPE_SHADER_VERTEX
][i
];
1963 jit_sam
->min_lod
= s
->min_lod
;
1964 jit_sam
->max_lod
= s
->max_lod
;
1965 jit_sam
->lod_bias
= s
->lod_bias
;
1966 COPY_4V(jit_sam
->border_color
, s
->border_color
.f
);
1969 } else if (shader_type
== PIPE_SHADER_GEOMETRY
) {
1970 for (i
= 0; i
< draw
->num_samplers
[PIPE_SHADER_GEOMETRY
]; i
++) {
1971 struct draw_jit_sampler
*jit_sam
= &draw
->llvm
->gs_jit_context
.samplers
[i
];
1973 if (draw
->samplers
[i
]) {
1974 const struct pipe_sampler_state
*s
1975 = draw
->samplers
[PIPE_SHADER_GEOMETRY
][i
];
1976 jit_sam
->min_lod
= s
->min_lod
;
1977 jit_sam
->max_lod
= s
->max_lod
;
1978 jit_sam
->lod_bias
= s
->lod_bias
;
1979 COPY_4V(jit_sam
->border_color
, s
->border_color
.f
);
1987 draw_llvm_destroy_variant(struct draw_llvm_variant
*variant
)
1989 struct draw_llvm
*llvm
= variant
->llvm
;
1991 gallivm_destroy(variant
->gallivm
);
1993 remove_from_list(&variant
->list_item_local
);
1994 variant
->shader
->variants_cached
--;
1995 remove_from_list(&variant
->list_item_global
);
1996 llvm
->nr_variants
--;
2002 * Create LLVM types for various structures.
2005 create_gs_jit_types(struct draw_gs_llvm_variant
*var
)
2007 struct gallivm_state
*gallivm
= var
->gallivm
;
2008 LLVMTypeRef texture_type
, sampler_type
, context_type
;
2010 texture_type
= create_jit_texture_type(gallivm
, "texture");
2011 sampler_type
= create_jit_sampler_type(gallivm
, "sampler");
2013 context_type
= create_gs_jit_context_type(gallivm
,
2014 var
->shader
->base
.vector_length
,
2015 texture_type
, sampler_type
,
2016 "draw_gs_jit_context");
2017 var
->context_ptr_type
= LLVMPointerType(context_type
, 0);
2019 var
->input_array_type
= create_gs_jit_input_type(gallivm
);
2023 get_gs_context_ptr_type(struct draw_gs_llvm_variant
*variant
)
2025 if (!variant
->context_ptr_type
)
2026 create_gs_jit_types(variant
);
2027 return variant
->context_ptr_type
;
2031 generate_mask_value(struct draw_gs_llvm_variant
*variant
,
2032 struct lp_type gs_type
)
2034 struct gallivm_state
*gallivm
= variant
->gallivm
;
2035 LLVMBuilderRef builder
= gallivm
->builder
;
2036 struct lp_type mask_type
= lp_int_type(gs_type
);
2037 LLVMValueRef num_prims
;
2038 LLVMValueRef mask_val
= lp_build_const_vec(gallivm
, mask_type
, 0);
2041 num_prims
= lp_build_broadcast(gallivm
, lp_build_vec_type(gallivm
, mask_type
),
2042 variant
->num_prims
);
2043 for (i
= 0; i
<= gs_type
.length
; i
++) {
2044 LLVMValueRef idx
= lp_build_const_int32(gallivm
, i
);
2045 mask_val
= LLVMBuildInsertElement(builder
, mask_val
, idx
, idx
, "");
2047 mask_val
= lp_build_compare(gallivm
, mask_type
,
2048 PIPE_FUNC_GREATER
, num_prims
, mask_val
);
2054 draw_gs_llvm_generate(struct draw_llvm
*llvm
,
2055 struct draw_gs_llvm_variant
*variant
)
2057 struct gallivm_state
*gallivm
= variant
->gallivm
;
2058 LLVMContextRef context
= gallivm
->context
;
2059 LLVMTypeRef int32_type
= LLVMInt32TypeInContext(context
);
2060 LLVMTypeRef arg_types
[6];
2061 LLVMTypeRef func_type
;
2062 LLVMValueRef variant_func
;
2063 LLVMValueRef context_ptr
;
2064 LLVMValueRef prim_id_ptr
;
2065 LLVMBasicBlockRef block
;
2066 LLVMBuilderRef builder
;
2067 LLVMValueRef io_ptr
, input_array
, num_prims
, mask_val
;
2068 struct lp_build_sampler_soa
*sampler
= 0;
2069 struct lp_build_context bld
;
2070 struct lp_bld_tgsi_system_values system_values
;
2072 struct lp_type gs_type
;
2074 struct draw_gs_llvm_iface gs_iface
;
2075 const struct tgsi_token
*tokens
= variant
->shader
->base
.state
.tokens
;
2076 LLVMValueRef consts_ptr
, num_consts_ptr
;
2077 LLVMValueRef outputs
[PIPE_MAX_SHADER_OUTPUTS
][TGSI_NUM_CHANNELS
];
2078 struct lp_build_mask_context mask
;
2079 const struct tgsi_shader_info
*gs_info
= &variant
->shader
->base
.info
;
2080 unsigned vector_length
= variant
->shader
->base
.vector_length
;
2082 memset(&system_values
, 0, sizeof(system_values
));
2084 util_snprintf(func_name
, sizeof(func_name
), "draw_llvm_gs_variant%u",
2085 variant
->shader
->variants_cached
);
2087 assert(variant
->vertex_header_ptr_type
);
2089 arg_types
[0] = get_gs_context_ptr_type(variant
); /* context */
2090 arg_types
[1] = variant
->input_array_type
; /* input */
2091 arg_types
[2] = variant
->vertex_header_ptr_type
; /* vertex_header */
2092 arg_types
[3] = int32_type
; /* num_prims */
2093 arg_types
[4] = int32_type
; /* instance_id */
2094 arg_types
[5] = LLVMPointerType(
2095 LLVMVectorType(int32_type
, vector_length
), 0); /* prim_id_ptr */
2097 func_type
= LLVMFunctionType(int32_type
, arg_types
, Elements(arg_types
), 0);
2099 variant_func
= LLVMAddFunction(gallivm
->module
, func_name
, func_type
);
2101 variant
->function
= variant_func
;
2103 LLVMSetFunctionCallConv(variant_func
, LLVMCCallConv
);
2105 for (i
= 0; i
< Elements(arg_types
); ++i
)
2106 if (LLVMGetTypeKind(arg_types
[i
]) == LLVMPointerTypeKind
)
2107 LLVMAddAttribute(LLVMGetParam(variant_func
, i
),
2108 LLVMNoAliasAttribute
);
2110 context_ptr
= LLVMGetParam(variant_func
, 0);
2111 input_array
= LLVMGetParam(variant_func
, 1);
2112 io_ptr
= LLVMGetParam(variant_func
, 2);
2113 num_prims
= LLVMGetParam(variant_func
, 3);
2114 system_values
.instance_id
= LLVMGetParam(variant_func
, 4);
2115 prim_id_ptr
= LLVMGetParam(variant_func
, 5);
2117 lp_build_name(context_ptr
, "context");
2118 lp_build_name(input_array
, "input");
2119 lp_build_name(io_ptr
, "io");
2120 lp_build_name(num_prims
, "num_prims");
2121 lp_build_name(system_values
.instance_id
, "instance_id");
2122 lp_build_name(prim_id_ptr
, "prim_id_ptr");
2124 variant
->context_ptr
= context_ptr
;
2125 variant
->io_ptr
= io_ptr
;
2126 variant
->num_prims
= num_prims
;
2128 gs_iface
.base
.fetch_input
= draw_gs_llvm_fetch_input
;
2129 gs_iface
.base
.emit_vertex
= draw_gs_llvm_emit_vertex
;
2130 gs_iface
.base
.end_primitive
= draw_gs_llvm_end_primitive
;
2131 gs_iface
.base
.gs_epilogue
= draw_gs_llvm_epilogue
;
2132 gs_iface
.input
= input_array
;
2133 gs_iface
.variant
= variant
;
2139 block
= LLVMAppendBasicBlockInContext(gallivm
->context
, variant_func
, "entry");
2140 builder
= gallivm
->builder
;
2141 LLVMPositionBuilderAtEnd(builder
, block
);
2143 lp_build_context_init(&bld
, gallivm
, lp_type_int(32));
2145 memset(&gs_type
, 0, sizeof gs_type
);
2146 gs_type
.floating
= TRUE
; /* floating point values */
2147 gs_type
.sign
= TRUE
; /* values are signed */
2148 gs_type
.norm
= FALSE
; /* values are not limited to [0,1] or [-1,1] */
2149 gs_type
.width
= 32; /* 32-bit float */
2150 gs_type
.length
= vector_length
;
2152 consts_ptr
= draw_gs_jit_context_constants(variant
->gallivm
, context_ptr
);
2154 draw_gs_jit_context_num_constants(variant
->gallivm
, context_ptr
);
2156 /* code generated texture sampling */
2157 sampler
= draw_llvm_sampler_soa_create(variant
->key
.samplers
,
2160 mask_val
= generate_mask_value(variant
, gs_type
);
2161 lp_build_mask_begin(&mask
, gallivm
, gs_type
, mask_val
);
2163 if (gs_info
->uses_primid
) {
2164 system_values
.prim_id
= LLVMBuildLoad(builder
, prim_id_ptr
, "prim_id");
2167 if (gallivm_debug
& (GALLIVM_DEBUG_TGSI
| GALLIVM_DEBUG_IR
)) {
2168 tgsi_dump(tokens
, 0);
2169 draw_gs_llvm_dump_variant_key(&variant
->key
);
2172 lp_build_tgsi_soa(variant
->gallivm
,
2182 &llvm
->draw
->gs
.geometry_shader
->info
,
2183 (const struct lp_build_tgsi_gs_iface
*)&gs_iface
);
2185 sampler
->destroy(sampler
);
2187 lp_build_mask_end(&mask
);
2189 LLVMBuildRet(builder
, lp_build_zero(gallivm
, lp_type_uint(32)));
2191 gallivm_verify_function(gallivm
, variant_func
);
2195 struct draw_gs_llvm_variant
*
2196 draw_gs_llvm_create_variant(struct draw_llvm
*llvm
,
2197 unsigned num_outputs
,
2198 const struct draw_gs_llvm_variant_key
*key
)
2200 struct draw_gs_llvm_variant
*variant
;
2201 struct llvm_geometry_shader
*shader
=
2202 llvm_geometry_shader(llvm
->draw
->gs
.geometry_shader
);
2203 LLVMTypeRef vertex_header
;
2204 char module_name
[64];
2206 variant
= MALLOC(sizeof *variant
+
2207 shader
->variant_key_size
-
2208 sizeof variant
->key
);
2209 if (variant
== NULL
)
2212 variant
->llvm
= llvm
;
2213 variant
->shader
= shader
;
2215 util_snprintf(module_name
, sizeof(module_name
), "draw_llvm_gs_variant%u",
2216 variant
->shader
->variants_cached
);
2218 variant
->gallivm
= gallivm_create(module_name
, llvm
->context
);
2220 create_gs_jit_types(variant
);
2222 memcpy(&variant
->key
, key
, shader
->variant_key_size
);
2224 vertex_header
= create_jit_vertex_header(variant
->gallivm
, num_outputs
);
2226 variant
->vertex_header_ptr_type
= LLVMPointerType(vertex_header
, 0);
2228 draw_gs_llvm_generate(llvm
, variant
);
2230 gallivm_compile_module(variant
->gallivm
);
2232 variant
->jit_func
= (draw_gs_jit_func
)
2233 gallivm_jit_function(variant
->gallivm
, variant
->function
);
2235 gallivm_free_ir(variant
->gallivm
);
2237 variant
->list_item_global
.base
= variant
;
2238 variant
->list_item_local
.base
= variant
;
2239 /*variant->no = */shader
->variants_created
++;
2240 variant
->list_item_global
.base
= variant
;
2246 draw_gs_llvm_destroy_variant(struct draw_gs_llvm_variant
*variant
)
2248 struct draw_llvm
*llvm
= variant
->llvm
;
2250 gallivm_destroy(variant
->gallivm
);
2252 remove_from_list(&variant
->list_item_local
);
2253 variant
->shader
->variants_cached
--;
2254 remove_from_list(&variant
->list_item_global
);
2255 llvm
->nr_gs_variants
--;
2259 struct draw_gs_llvm_variant_key
*
2260 draw_gs_llvm_make_variant_key(struct draw_llvm
*llvm
, char *store
)
2263 struct draw_gs_llvm_variant_key
*key
;
2264 struct draw_sampler_static_state
*draw_sampler
;
2266 key
= (struct draw_gs_llvm_variant_key
*)store
;
2268 key
->num_outputs
= draw_total_gs_outputs(llvm
->draw
);
2270 /* All variants of this shader will have the same value for
2271 * nr_samplers. Not yet trying to compact away holes in the
2274 key
->nr_samplers
= llvm
->draw
->gs
.geometry_shader
->info
.file_max
[TGSI_FILE_SAMPLER
] + 1;
2275 if (llvm
->draw
->gs
.geometry_shader
->info
.file_max
[TGSI_FILE_SAMPLER_VIEW
] != -1) {
2276 key
->nr_sampler_views
=
2277 llvm
->draw
->gs
.geometry_shader
->info
.file_max
[TGSI_FILE_SAMPLER_VIEW
] + 1;
2280 key
->nr_sampler_views
= key
->nr_samplers
;
2283 draw_sampler
= key
->samplers
;
2285 memset(draw_sampler
, 0, MAX2(key
->nr_samplers
, key
->nr_sampler_views
) * sizeof *draw_sampler
);
2287 for (i
= 0 ; i
< key
->nr_samplers
; i
++) {
2288 lp_sampler_static_sampler_state(&draw_sampler
[i
].sampler_state
,
2289 llvm
->draw
->samplers
[PIPE_SHADER_GEOMETRY
][i
]);
2291 for (i
= 0 ; i
< key
->nr_sampler_views
; i
++) {
2292 lp_sampler_static_texture_state(&draw_sampler
[i
].texture_state
,
2293 llvm
->draw
->sampler_views
[PIPE_SHADER_GEOMETRY
][i
]);
2300 draw_gs_llvm_dump_variant_key(struct draw_gs_llvm_variant_key
*key
)
2303 struct draw_sampler_static_state
*sampler
= key
->samplers
;
2305 for (i
= 0 ; i
< key
->nr_sampler_views
; i
++) {
2306 debug_printf("sampler[%i].src_format = %s\n", i
,
2307 util_format_name(sampler
[i
].texture_state
.format
));