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/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 (void) target
; /* silence unused var warning for non-debug build */
101 LP_CHECK_MEMBER_OFFSET(struct draw_vertex_buffer
, map
,
102 target
, dvbuffer_type
,
103 DRAW_JIT_DVBUFFER_MAP
);
104 LP_CHECK_MEMBER_OFFSET(struct draw_vertex_buffer
, size
,
105 target
, dvbuffer_type
,
106 DRAW_JIT_DVBUFFER_SIZE
);
108 return dvbuffer_type
;
112 * Create LLVM type for struct draw_jit_texture
115 create_jit_texture_type(struct gallivm_state
*gallivm
, const char *struct_name
)
117 LLVMTargetDataRef target
= gallivm
->target
;
118 LLVMTypeRef texture_type
;
119 LLVMTypeRef elem_types
[DRAW_JIT_TEXTURE_NUM_FIELDS
];
120 LLVMTypeRef int32_type
= LLVMInt32TypeInContext(gallivm
->context
);
122 elem_types
[DRAW_JIT_TEXTURE_WIDTH
] =
123 elem_types
[DRAW_JIT_TEXTURE_HEIGHT
] =
124 elem_types
[DRAW_JIT_TEXTURE_DEPTH
] =
125 elem_types
[DRAW_JIT_TEXTURE_FIRST_LEVEL
] =
126 elem_types
[DRAW_JIT_TEXTURE_LAST_LEVEL
] = int32_type
;
127 elem_types
[DRAW_JIT_TEXTURE_BASE
] =
128 LLVMPointerType(LLVMInt8TypeInContext(gallivm
->context
), 0);
129 elem_types
[DRAW_JIT_TEXTURE_ROW_STRIDE
] =
130 elem_types
[DRAW_JIT_TEXTURE_IMG_STRIDE
] =
131 elem_types
[DRAW_JIT_TEXTURE_MIP_OFFSETS
] =
132 LLVMArrayType(int32_type
, PIPE_MAX_TEXTURE_LEVELS
);
134 texture_type
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
135 Elements(elem_types
), 0);
137 (void) target
; /* silence unused var warning for non-debug build */
138 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, width
,
139 target
, texture_type
,
140 DRAW_JIT_TEXTURE_WIDTH
);
141 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, height
,
142 target
, texture_type
,
143 DRAW_JIT_TEXTURE_HEIGHT
);
144 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, depth
,
145 target
, texture_type
,
146 DRAW_JIT_TEXTURE_DEPTH
);
147 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, first_level
,
148 target
, texture_type
,
149 DRAW_JIT_TEXTURE_FIRST_LEVEL
);
150 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, last_level
,
151 target
, texture_type
,
152 DRAW_JIT_TEXTURE_LAST_LEVEL
);
153 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, base
,
154 target
, texture_type
,
155 DRAW_JIT_TEXTURE_BASE
);
156 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, row_stride
,
157 target
, texture_type
,
158 DRAW_JIT_TEXTURE_ROW_STRIDE
);
159 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, img_stride
,
160 target
, texture_type
,
161 DRAW_JIT_TEXTURE_IMG_STRIDE
);
162 LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture
, mip_offsets
,
163 target
, texture_type
,
164 DRAW_JIT_TEXTURE_MIP_OFFSETS
);
166 LP_CHECK_STRUCT_SIZE(struct draw_jit_texture
, target
, texture_type
);
173 * Create LLVM type for struct draw_jit_sampler
176 create_jit_sampler_type(struct gallivm_state
*gallivm
, const char *struct_name
)
178 LLVMTargetDataRef target
= gallivm
->target
;
179 LLVMTypeRef sampler_type
;
180 LLVMTypeRef elem_types
[DRAW_JIT_SAMPLER_NUM_FIELDS
];
182 elem_types
[DRAW_JIT_SAMPLER_MIN_LOD
] =
183 elem_types
[DRAW_JIT_SAMPLER_MAX_LOD
] =
184 elem_types
[DRAW_JIT_SAMPLER_LOD_BIAS
] = LLVMFloatTypeInContext(gallivm
->context
);
185 elem_types
[DRAW_JIT_SAMPLER_BORDER_COLOR
] =
186 LLVMArrayType(LLVMFloatTypeInContext(gallivm
->context
), 4);
188 sampler_type
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
189 Elements(elem_types
), 0);
191 (void) target
; /* silence unused var warning for non-debug build */
192 LP_CHECK_MEMBER_OFFSET(struct draw_jit_sampler
, min_lod
,
193 target
, sampler_type
,
194 DRAW_JIT_SAMPLER_MIN_LOD
);
195 LP_CHECK_MEMBER_OFFSET(struct draw_jit_sampler
, max_lod
,
196 target
, sampler_type
,
197 DRAW_JIT_SAMPLER_MAX_LOD
);
198 LP_CHECK_MEMBER_OFFSET(struct draw_jit_sampler
, lod_bias
,
199 target
, sampler_type
,
200 DRAW_JIT_SAMPLER_LOD_BIAS
);
201 LP_CHECK_MEMBER_OFFSET(struct draw_jit_sampler
, border_color
,
202 target
, sampler_type
,
203 DRAW_JIT_SAMPLER_BORDER_COLOR
);
205 LP_CHECK_STRUCT_SIZE(struct draw_jit_sampler
, target
, sampler_type
);
212 * Create LLVM type for struct draw_jit_context
215 create_jit_context_type(struct gallivm_state
*gallivm
,
216 LLVMTypeRef texture_type
, LLVMTypeRef sampler_type
,
217 const char *struct_name
)
219 LLVMTargetDataRef target
= gallivm
->target
;
220 LLVMTypeRef float_type
= LLVMFloatTypeInContext(gallivm
->context
);
221 LLVMTypeRef int_type
= LLVMInt32TypeInContext(gallivm
->context
);
222 LLVMTypeRef elem_types
[DRAW_JIT_CTX_NUM_FIELDS
];
223 LLVMTypeRef context_type
;
225 elem_types
[0] = LLVMArrayType(LLVMPointerType(float_type
, 0), /* vs_constants */
226 LP_MAX_TGSI_CONST_BUFFERS
);
227 elem_types
[1] = LLVMArrayType(int_type
, /* num_vs_constants */
228 LP_MAX_TGSI_CONST_BUFFERS
);
229 elem_types
[2] = LLVMPointerType(LLVMArrayType(LLVMArrayType(float_type
, 4),
230 DRAW_TOTAL_CLIP_PLANES
), 0);
231 elem_types
[3] = LLVMPointerType(float_type
, 0); /* viewports */
232 elem_types
[4] = LLVMArrayType(texture_type
,
233 PIPE_MAX_SHADER_SAMPLER_VIEWS
); /* textures */
234 elem_types
[5] = LLVMArrayType(sampler_type
,
235 PIPE_MAX_SAMPLERS
); /* samplers */
236 context_type
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
237 Elements(elem_types
), 0);
239 (void) target
; /* silence unused var warning for non-debug build */
240 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, vs_constants
,
241 target
, context_type
, DRAW_JIT_CTX_CONSTANTS
);
242 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, num_vs_constants
,
243 target
, context_type
, DRAW_JIT_CTX_NUM_CONSTANTS
);
244 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, planes
,
245 target
, context_type
, DRAW_JIT_CTX_PLANES
);
246 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, viewports
,
247 target
, context_type
, DRAW_JIT_CTX_VIEWPORT
);
248 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, textures
,
249 target
, context_type
,
250 DRAW_JIT_CTX_TEXTURES
);
251 LP_CHECK_MEMBER_OFFSET(struct draw_jit_context
, samplers
,
252 target
, context_type
,
253 DRAW_JIT_CTX_SAMPLERS
);
254 LP_CHECK_STRUCT_SIZE(struct draw_jit_context
,
255 target
, context_type
);
262 * Create LLVM type for struct draw_gs_jit_context
265 create_gs_jit_context_type(struct gallivm_state
*gallivm
,
266 unsigned vector_length
,
267 LLVMTypeRef texture_type
, LLVMTypeRef sampler_type
,
268 const char *struct_name
)
270 LLVMTargetDataRef target
= gallivm
->target
;
271 LLVMTypeRef float_type
= LLVMFloatTypeInContext(gallivm
->context
);
272 LLVMTypeRef int_type
= LLVMInt32TypeInContext(gallivm
->context
);
273 LLVMTypeRef elem_types
[DRAW_GS_JIT_CTX_NUM_FIELDS
];
274 LLVMTypeRef context_type
;
276 elem_types
[0] = LLVMArrayType(LLVMPointerType(float_type
, 0), /* constants */
277 LP_MAX_TGSI_CONST_BUFFERS
);
278 elem_types
[1] = LLVMArrayType(int_type
, /* num_constants */
279 LP_MAX_TGSI_CONST_BUFFERS
);
280 elem_types
[2] = LLVMPointerType(LLVMArrayType(LLVMArrayType(float_type
, 4),
281 DRAW_TOTAL_CLIP_PLANES
), 0);
282 elem_types
[3] = LLVMPointerType(float_type
, 0); /* viewports */
284 elem_types
[4] = LLVMArrayType(texture_type
,
285 PIPE_MAX_SHADER_SAMPLER_VIEWS
); /* textures */
286 elem_types
[5] = LLVMArrayType(sampler_type
,
287 PIPE_MAX_SAMPLERS
); /* samplers */
289 elem_types
[6] = LLVMPointerType(LLVMPointerType(int_type
, 0), 0);
290 elem_types
[7] = LLVMPointerType(LLVMVectorType(int_type
,
292 elem_types
[8] = LLVMPointerType(LLVMVectorType(int_type
,
295 context_type
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
296 Elements(elem_types
), 0);
298 (void) target
; /* silence unused var warning for non-debug build */
299 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, constants
,
300 target
, context_type
, DRAW_GS_JIT_CTX_CONSTANTS
);
301 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, num_constants
,
302 target
, context_type
, DRAW_GS_JIT_CTX_NUM_CONSTANTS
);
303 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, planes
,
304 target
, context_type
, DRAW_GS_JIT_CTX_PLANES
);
305 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, viewports
,
306 target
, context_type
, DRAW_GS_JIT_CTX_VIEWPORT
);
307 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, textures
,
308 target
, context_type
,
309 DRAW_GS_JIT_CTX_TEXTURES
);
310 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, samplers
,
311 target
, context_type
,
312 DRAW_GS_JIT_CTX_SAMPLERS
);
313 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, prim_lengths
,
314 target
, context_type
,
315 DRAW_GS_JIT_CTX_PRIM_LENGTHS
);
316 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, emitted_vertices
,
317 target
, context_type
,
318 DRAW_GS_JIT_CTX_EMITTED_VERTICES
);
319 LP_CHECK_MEMBER_OFFSET(struct draw_gs_jit_context
, emitted_prims
,
320 target
, context_type
,
321 DRAW_GS_JIT_CTX_EMITTED_PRIMS
);
322 LP_CHECK_STRUCT_SIZE(struct draw_gs_jit_context
,
323 target
, context_type
);
330 create_gs_jit_input_type(struct gallivm_state
*gallivm
)
332 LLVMTypeRef float_type
= LLVMFloatTypeInContext(gallivm
->context
);
333 LLVMTypeRef input_array
;
335 input_array
= LLVMVectorType(float_type
, TGSI_NUM_CHANNELS
); /* num primitives */
336 input_array
= LLVMArrayType(input_array
, TGSI_NUM_CHANNELS
); /* num channels */
337 input_array
= LLVMArrayType(input_array
, PIPE_MAX_SHADER_INPUTS
); /* num attrs per vertex */
338 input_array
= LLVMPointerType(input_array
, 0); /* num vertices per prim */
344 * Create LLVM type for struct pipe_vertex_buffer
347 create_jit_vertex_buffer_type(struct gallivm_state
*gallivm
,
348 const char *struct_name
)
350 LLVMTargetDataRef target
= gallivm
->target
;
351 LLVMTypeRef elem_types
[4];
355 elem_types
[1] = LLVMInt32TypeInContext(gallivm
->context
);
357 elem_types
[3] = LLVMPointerType(LLVMInt8TypeInContext(gallivm
->context
), 0);
359 vb_type
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
360 Elements(elem_types
), 0);
362 (void) target
; /* silence unused var warning for non-debug build */
363 LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer
, stride
,
365 LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer
, buffer_offset
,
368 LP_CHECK_STRUCT_SIZE(struct pipe_vertex_buffer
, target
, vb_type
);
375 * Create LLVM type for struct vertex_header;
378 create_jit_vertex_header(struct gallivm_state
*gallivm
, int data_elems
)
380 LLVMTargetDataRef target
= gallivm
->target
;
381 LLVMTypeRef elem_types
[3];
382 LLVMTypeRef vertex_header
;
383 char struct_name
[24];
385 util_snprintf(struct_name
, 23, "vertex_header%d", data_elems
);
387 elem_types
[DRAW_JIT_VERTEX_VERTEX_ID
] = LLVMIntTypeInContext(gallivm
->context
, 32);
388 elem_types
[DRAW_JIT_VERTEX_CLIP_POS
] = LLVMArrayType(LLVMFloatTypeInContext(gallivm
->context
), 4);
389 elem_types
[DRAW_JIT_VERTEX_DATA
] = LLVMArrayType(elem_types
[1], data_elems
);
391 vertex_header
= LLVMStructTypeInContext(gallivm
->context
, elem_types
,
392 Elements(elem_types
), 0);
394 /* these are bit-fields and we can't take address of them
395 LP_CHECK_MEMBER_OFFSET(struct vertex_header, clipmask,
396 target, vertex_header,
397 DRAW_JIT_VERTEX_CLIPMASK);
398 LP_CHECK_MEMBER_OFFSET(struct vertex_header, edgeflag,
399 target, vertex_header,
400 DRAW_JIT_VERTEX_EDGEFLAG);
401 LP_CHECK_MEMBER_OFFSET(struct vertex_header, pad,
402 target, vertex_header,
403 DRAW_JIT_VERTEX_PAD);
404 LP_CHECK_MEMBER_OFFSET(struct vertex_header, vertex_id,
405 target, vertex_header,
406 DRAW_JIT_VERTEX_VERTEX_ID);
408 (void) target
; /* silence unused var warning for non-debug build */
409 LP_CHECK_MEMBER_OFFSET(struct vertex_header
, clip_pos
,
410 target
, vertex_header
,
411 DRAW_JIT_VERTEX_CLIP_POS
);
412 LP_CHECK_MEMBER_OFFSET(struct vertex_header
, data
,
413 target
, vertex_header
,
414 DRAW_JIT_VERTEX_DATA
);
416 assert(LLVMABISizeOfType(target
, vertex_header
) ==
417 offsetof(struct vertex_header
, data
[data_elems
]));
419 return vertex_header
;
424 * Create LLVM types for various structures.
427 create_jit_types(struct draw_llvm_variant
*variant
)
429 struct gallivm_state
*gallivm
= variant
->gallivm
;
430 LLVMTypeRef texture_type
, sampler_type
, context_type
, buffer_type
,
433 texture_type
= create_jit_texture_type(gallivm
, "texture");
434 sampler_type
= create_jit_sampler_type(gallivm
, "sampler");
436 context_type
= create_jit_context_type(gallivm
, texture_type
, sampler_type
,
438 variant
->context_ptr_type
= LLVMPointerType(context_type
, 0);
440 buffer_type
= create_jit_dvbuffer_type(gallivm
, "draw_vertex_buffer");
441 variant
->buffer_ptr_type
= LLVMPointerType(buffer_type
, 0);
443 vb_type
= create_jit_vertex_buffer_type(gallivm
, "pipe_vertex_buffer");
444 variant
->vb_ptr_type
= LLVMPointerType(vb_type
, 0);
449 get_context_ptr_type(struct draw_llvm_variant
*variant
)
451 if (!variant
->context_ptr_type
)
452 create_jit_types(variant
);
453 return variant
->context_ptr_type
;
458 get_buffer_ptr_type(struct draw_llvm_variant
*variant
)
460 if (!variant
->buffer_ptr_type
)
461 create_jit_types(variant
);
462 return variant
->buffer_ptr_type
;
467 get_vb_ptr_type(struct draw_llvm_variant
*variant
)
469 if (!variant
->vb_ptr_type
)
470 create_jit_types(variant
);
471 return variant
->vb_ptr_type
;
475 get_vertex_header_ptr_type(struct draw_llvm_variant
*variant
)
477 if (!variant
->vertex_header_ptr_type
)
478 create_jit_types(variant
);
479 return variant
->vertex_header_ptr_type
;
484 * Create per-context LLVM info.
487 draw_llvm_create(struct draw_context
*draw
, LLVMContextRef context
)
489 struct draw_llvm
*llvm
;
491 if (!lp_build_init())
494 llvm
= CALLOC_STRUCT( draw_llvm
);
500 llvm
->context
= context
;
501 if (!llvm
->context
) {
502 llvm
->context
= LLVMContextCreate();
503 llvm
->context_owned
= true;
508 llvm
->nr_variants
= 0;
509 make_empty_list(&llvm
->vs_variants_list
);
511 llvm
->nr_gs_variants
= 0;
512 make_empty_list(&llvm
->gs_variants_list
);
517 draw_llvm_destroy(llvm
);
523 * Free per-context LLVM info.
526 draw_llvm_destroy(struct draw_llvm
*llvm
)
528 if (llvm
->context_owned
)
529 LLVMContextDispose(llvm
->context
);
530 llvm
->context
= NULL
;
532 /* XXX free other draw_llvm data? */
538 * Create LLVM-generated code for a vertex shader.
540 struct draw_llvm_variant
*
541 draw_llvm_create_variant(struct draw_llvm
*llvm
,
543 const struct draw_llvm_variant_key
*key
)
545 struct draw_llvm_variant
*variant
;
546 struct llvm_vertex_shader
*shader
=
547 llvm_vertex_shader(llvm
->draw
->vs
.vertex_shader
);
548 LLVMTypeRef vertex_header
;
549 char module_name
[64];
551 variant
= MALLOC(sizeof *variant
+
552 shader
->variant_key_size
-
553 sizeof variant
->key
);
557 variant
->llvm
= llvm
;
558 variant
->shader
= shader
;
560 util_snprintf(module_name
, sizeof(module_name
), "draw_llvm_vs_variant%u",
561 variant
->shader
->variants_cached
);
563 variant
->gallivm
= gallivm_create(module_name
, llvm
->context
);
565 create_jit_types(variant
);
567 memcpy(&variant
->key
, key
, shader
->variant_key_size
);
569 if (gallivm_debug
& (GALLIVM_DEBUG_TGSI
| GALLIVM_DEBUG_IR
)) {
570 tgsi_dump(llvm
->draw
->vs
.vertex_shader
->state
.tokens
, 0);
571 draw_llvm_dump_variant_key(&variant
->key
);
574 vertex_header
= create_jit_vertex_header(variant
->gallivm
, num_inputs
);
576 variant
->vertex_header_ptr_type
= LLVMPointerType(vertex_header
, 0);
578 draw_llvm_generate(llvm
, variant
, FALSE
); /* linear */
579 draw_llvm_generate(llvm
, variant
, TRUE
); /* elts */
581 gallivm_compile_module(variant
->gallivm
);
583 variant
->jit_func
= (draw_jit_vert_func
)
584 gallivm_jit_function(variant
->gallivm
, variant
->function
);
586 variant
->jit_func_elts
= (draw_jit_vert_func_elts
)
587 gallivm_jit_function(variant
->gallivm
, variant
->function_elts
);
589 gallivm_free_ir(variant
->gallivm
);
591 variant
->list_item_global
.base
= variant
;
592 variant
->list_item_local
.base
= variant
;
593 /*variant->no = */shader
->variants_created
++;
594 variant
->list_item_global
.base
= variant
;
601 generate_vs(struct draw_llvm_variant
*variant
,
602 LLVMBuilderRef builder
,
603 struct lp_type vs_type
,
604 LLVMValueRef (*outputs
)[TGSI_NUM_CHANNELS
],
605 const LLVMValueRef (*inputs
)[TGSI_NUM_CHANNELS
],
606 const struct lp_bld_tgsi_system_values
*system_values
,
607 LLVMValueRef context_ptr
,
608 struct lp_build_sampler_soa
*draw_sampler
,
609 boolean clamp_vertex_color
)
611 struct draw_llvm
*llvm
= variant
->llvm
;
612 const struct tgsi_token
*tokens
= llvm
->draw
->vs
.vertex_shader
->state
.tokens
;
613 LLVMValueRef consts_ptr
=
614 draw_jit_context_vs_constants(variant
->gallivm
, context_ptr
);
615 LLVMValueRef num_consts_ptr
=
616 draw_jit_context_num_vs_constants(variant
->gallivm
, context_ptr
);
618 lp_build_tgsi_soa(variant
->gallivm
,
621 NULL
/*struct lp_build_mask_context *mask*/,
630 &llvm
->draw
->vs
.vertex_shader
->info
,
635 unsigned chan
, attrib
;
636 struct lp_build_context bld
;
637 struct tgsi_shader_info
* info
= &llvm
->draw
->vs
.vertex_shader
->info
;
638 lp_build_context_init(&bld
, variant
->gallivm
, vs_type
);
640 for (attrib
= 0; attrib
< info
->num_outputs
; ++attrib
) {
641 for (chan
= 0; chan
< TGSI_NUM_CHANNELS
; ++chan
) {
642 if (outputs
[attrib
][chan
]) {
643 switch (info
->output_semantic_name
[attrib
]) {
644 case TGSI_SEMANTIC_COLOR
:
645 case TGSI_SEMANTIC_BCOLOR
:
646 if (clamp_vertex_color
) {
647 out
= LLVMBuildLoad(builder
, outputs
[attrib
][chan
], "");
648 out
= lp_build_clamp(&bld
, out
, bld
.zero
, bld
.one
);
649 LLVMBuildStore(builder
, out
, outputs
[attrib
][chan
]);
660 generate_fetch(struct gallivm_state
*gallivm
,
661 struct draw_context
*draw
,
662 LLVMValueRef vbuffers_ptr
,
664 struct pipe_vertex_element
*velem
,
667 LLVMValueRef instance_id
,
668 LLVMValueRef start_instance
)
670 const struct util_format_description
*format_desc
=
671 util_format_description(velem
->src_format
);
672 LLVMValueRef zero
= LLVMConstNull(LLVMInt32TypeInContext(gallivm
->context
));
673 LLVMBuilderRef builder
= gallivm
->builder
;
674 LLVMValueRef indices
=
675 LLVMConstInt(LLVMInt64TypeInContext(gallivm
->context
),
676 velem
->vertex_buffer_index
, 0);
677 LLVMValueRef vbuffer_ptr
= LLVMBuildGEP(builder
, vbuffers_ptr
,
679 LLVMValueRef vb_stride
= draw_jit_vbuffer_stride(gallivm
, vbuf
);
680 LLVMValueRef vb_buffer_offset
= draw_jit_vbuffer_offset(gallivm
, vbuf
);
681 LLVMValueRef map_ptr
= draw_jit_dvbuffer_map(gallivm
, vbuffer_ptr
);
682 LLVMValueRef buffer_size
= draw_jit_dvbuffer_size(gallivm
, vbuffer_ptr
);
684 LLVMValueRef buffer_overflowed
;
685 LLVMValueRef needed_buffer_size
;
686 LLVMValueRef temp_ptr
=
687 lp_build_alloca(gallivm
,
688 lp_build_vec_type(gallivm
, lp_float32_vec4_type()), "");
689 LLVMValueRef ofbit
= NULL
;
690 struct lp_build_if_state if_ctx
;
692 if (velem
->instance_divisor
) {
693 /* Index is equal to the start instance plus the number of current
694 * instance divided by the divisor. In this case we compute it as:
695 * index = start_instance + (instance_id / divisor)
697 LLVMValueRef current_instance
;
698 current_instance
= LLVMBuildUDiv(builder
, instance_id
,
699 lp_build_const_int32(gallivm
, velem
->instance_divisor
),
701 index
= lp_build_uadd_overflow(gallivm
, start_instance
,
702 current_instance
, &ofbit
);
705 stride
= lp_build_umul_overflow(gallivm
, vb_stride
, index
, &ofbit
);
706 stride
= lp_build_uadd_overflow(gallivm
, stride
, vb_buffer_offset
, &ofbit
);
707 stride
= lp_build_uadd_overflow(
709 lp_build_const_int32(gallivm
, velem
->src_offset
), &ofbit
);
710 needed_buffer_size
= lp_build_uadd_overflow(
712 lp_build_const_int32(gallivm
,
713 util_format_get_blocksize(velem
->src_format
)),
716 buffer_overflowed
= LLVMBuildICmp(builder
, LLVMIntUGT
,
717 needed_buffer_size
, buffer_size
,
718 "buffer_overflowed");
719 buffer_overflowed
= LLVMBuildOr(builder
, buffer_overflowed
, ofbit
, "");
721 lp_build_printf(gallivm
, "vbuf index = %u, vb_stride is %u\n",
723 lp_build_printf(gallivm
, " vb_buffer_offset = %u, src_offset is %u\n",
725 lp_build_const_int32(gallivm
, velem
->src_offset
));
726 lp_build_print_value(gallivm
, " blocksize = ",
727 lp_build_const_int32(
729 util_format_get_blocksize(velem
->src_format
)));
730 lp_build_printf(gallivm
, " instance_id = %u\n", instance_id
);
731 lp_build_printf(gallivm
, " stride = %u\n", stride
);
732 lp_build_printf(gallivm
, " buffer size = %u\n", buffer_size
);
733 lp_build_printf(gallivm
, " needed_buffer_size = %u\n", needed_buffer_size
);
734 lp_build_print_value(gallivm
, " buffer overflowed = ", buffer_overflowed
);
737 lp_build_if(&if_ctx
, gallivm
, buffer_overflowed
);
740 lp_build_const_vec(gallivm
, lp_float32_vec4_type(), 0);
741 LLVMBuildStore(builder
, val
, temp_ptr
);
743 lp_build_else(&if_ctx
);
746 map_ptr
= LLVMBuildGEP(builder
, map_ptr
, &stride
, 1, "");
748 val
= lp_build_fetch_rgba_aos(gallivm
,
750 lp_float32_vec4_type(),
755 LLVMBuildStore(builder
, val
, temp_ptr
);
757 lp_build_endif(&if_ctx
);
759 *res
= LLVMBuildLoad(builder
, temp_ptr
, "aos");
763 convert_to_soa(struct gallivm_state
*gallivm
,
764 LLVMValueRef (*src_aos
)[LP_MAX_VECTOR_WIDTH
/ 32],
765 LLVMValueRef (*dst_soa
)[TGSI_NUM_CHANNELS
],
766 unsigned num_attribs
, const struct lp_type soa_type
)
769 struct lp_type aos_channel_type
= soa_type
;
771 debug_assert(TGSI_NUM_CHANNELS
== 4);
772 debug_assert((soa_type
.length
% TGSI_NUM_CHANNELS
) == 0);
774 aos_channel_type
.length
>>= 1;
776 for (i
= 0; i
< num_attribs
; ++i
) {
777 LLVMValueRef aos_channels
[TGSI_NUM_CHANNELS
];
778 unsigned pixels_per_channel
= soa_type
.length
/ TGSI_NUM_CHANNELS
;
780 for (j
= 0; j
< TGSI_NUM_CHANNELS
; ++j
) {
781 LLVMValueRef channel
[LP_MAX_VECTOR_LENGTH
] = { 0 };
783 assert(pixels_per_channel
<= LP_MAX_VECTOR_LENGTH
);
785 for (k
= 0; k
< pixels_per_channel
; ++k
) {
786 channel
[k
] = src_aos
[i
][j
+ TGSI_NUM_CHANNELS
* k
];
789 aos_channels
[j
] = lp_build_concat(gallivm
, channel
, aos_channel_type
, pixels_per_channel
);
792 lp_build_transpose_aos(gallivm
, soa_type
, aos_channels
, dst_soa
[i
]);
798 store_aos(struct gallivm_state
*gallivm
,
803 LLVMTypeRef data_ptr_type
= LLVMPointerType(lp_build_vec_type(gallivm
, lp_float32_vec4_type()), 0);
804 LLVMBuilderRef builder
= gallivm
->builder
;
805 LLVMValueRef data_ptr
= draw_jit_header_data(gallivm
, io_ptr
);
806 LLVMValueRef indices
[3];
808 indices
[0] = lp_build_const_int32(gallivm
, 0);
810 indices
[2] = lp_build_const_int32(gallivm
, 0);
812 data_ptr
= LLVMBuildGEP(builder
, data_ptr
, indices
, 3, "");
813 data_ptr
= LLVMBuildPointerCast(builder
, data_ptr
, data_ptr_type
, "");
816 lp_build_printf(gallivm
, " ---- %p storing attribute %d (io = %p)\n", data_ptr
, index
, io_ptr
);
819 /* Unaligned store due to the vertex header */
820 lp_set_store_alignment(LLVMBuildStore(builder
, value
, data_ptr
), sizeof(float));
824 * Adjust the mask to architecture endianess. The mask will the store in struct:
826 * struct vertex_header {
827 * unsigned clipmask:DRAW_TOTAL_CLIP_PLANES;
828 * unsigned edgeflag:1;
830 * unsigned vertex_id:16;
834 * On little-endian machine nothing needs to done, however on bit-endian machine
835 * the mask's fields need to be adjusted with the algorithm:
837 * uint32_t reverse (uint32_t x)
839 * return (x >> 16) | // vertex_id
840 * ((x & 0x3fff) << 18) | // clipmask
841 * ((x & 0x4000) << 3) | // pad
842 * ((x & 0x8000) << 1); // edgeflag
846 adjust_mask(struct gallivm_state
*gallivm
,
849 #ifdef PIPE_ARCH_BIG_ENDIAN
850 LLVMBuilderRef builder
= gallivm
->builder
;
851 LLVMValueRef vertex_id
;
852 LLVMValueRef clipmask
;
854 LLVMValueRef edgeflag
;
856 vertex_id
= LLVMBuildLShr(builder
, mask
, lp_build_const_int32(gallivm
, 16), "");
857 clipmask
= LLVMBuildAnd(builder
, mask
, lp_build_const_int32(gallivm
, 0x3fff), "");
858 clipmask
= LLVMBuildShl(builder
, clipmask
, lp_build_const_int32(gallivm
, 18), "");
860 pad
= LLVMBuildAnd(builder
, mask
, lp_build_const_int32(gallivm
, 0x4000), "");
861 pad
= LLVMBuildShl(builder
, pad
, lp_build_const_int32(gallivm
, 3), "");
863 edgeflag
= LLVMBuildAnd(builder
, mask
, lp_build_const_int32(gallivm
, 0x8000), "");
864 edgeflag
= LLVMBuildShl(builder
, edgeflag
, lp_build_const_int32(gallivm
, 1), "");
866 mask
= LLVMBuildOr(builder
, vertex_id
, clipmask
, "");
868 mask
= LLVMBuildOr(builder
, mask
, pad
, "");
870 mask
= LLVMBuildOr(builder
, mask
, edgeflag
, "");
876 store_aos_array(struct gallivm_state
*gallivm
,
877 struct lp_type soa_type
,
879 LLVMValueRef
*indices
,
883 LLVMValueRef clipmask
,
884 boolean need_edgeflag
)
886 LLVMBuilderRef builder
= gallivm
->builder
;
887 LLVMValueRef attr_index
= lp_build_const_int32(gallivm
, attrib
);
888 LLVMValueRef inds
[LP_MAX_VECTOR_WIDTH
/ 32];
889 LLVMValueRef linear_inds
[LP_MAX_VECTOR_WIDTH
/ 32];
890 LLVMValueRef io_ptrs
[LP_MAX_VECTOR_WIDTH
/ 32];
891 int vector_length
= soa_type
.length
;
894 debug_assert(TGSI_NUM_CHANNELS
== 4);
896 for (i
= 0; i
< vector_length
; i
++) {
897 linear_inds
[i
] = lp_build_const_int32(gallivm
, i
);
899 inds
[i
] = indices
[i
];
901 inds
[i
] = linear_inds
[i
];
903 io_ptrs
[i
] = LLVMBuildGEP(builder
, io_ptr
, &inds
[i
], 1, "");
907 /* store vertex header for each of the n vertices */
908 LLVMValueRef val
, cliptmp
;
909 int vertex_id_pad_edgeflag
;
911 /* If this assertion fails, it means we need to update the bit twidding
912 * code here. See struct vertex_header in draw_private.h.
914 assert(DRAW_TOTAL_CLIP_PLANES
==14);
915 /* initialize vertex id:16 = 0xffff, pad:1 = 0, edgeflag:1 = 1 */
916 if (!need_edgeflag
) {
917 vertex_id_pad_edgeflag
= (0xffff << 16) | (1 << DRAW_TOTAL_CLIP_PLANES
);
920 vertex_id_pad_edgeflag
= (0xffff << 16);
922 val
= lp_build_const_int_vec(gallivm
, lp_int_type(soa_type
),
923 vertex_id_pad_edgeflag
);
924 /* OR with the clipmask */
925 cliptmp
= LLVMBuildOr(builder
, val
, clipmask
, "");
926 for (i
= 0; i
< vector_length
; i
++) {
927 LLVMValueRef id_ptr
= draw_jit_header_id(gallivm
, io_ptrs
[i
]);
928 val
= LLVMBuildExtractElement(builder
, cliptmp
, linear_inds
[i
], "");
929 val
= adjust_mask(gallivm
, val
);
931 lp_build_printf(gallivm
, "io = %p, index %d, clipmask = %x\n",
932 io_ptrs
[i
], inds
[i
], val
);
934 LLVMBuildStore(builder
, val
, id_ptr
);
938 /* store for each of the n vertices */
939 for (i
= 0; i
< vector_length
; i
++) {
940 store_aos(gallivm
, io_ptrs
[i
], attr_index
, aos
[i
]);
946 convert_to_aos(struct gallivm_state
*gallivm
,
948 LLVMValueRef
*indices
,
949 LLVMValueRef (*outputs
)[TGSI_NUM_CHANNELS
],
950 LLVMValueRef clipmask
,
952 struct lp_type soa_type
,
953 boolean need_edgeflag
)
955 LLVMBuilderRef builder
= gallivm
->builder
;
956 unsigned chan
, attrib
, i
;
959 lp_build_printf(gallivm
, " # storing begin\n");
961 for (attrib
= 0; attrib
< num_outputs
; ++attrib
) {
962 LLVMValueRef soa
[TGSI_NUM_CHANNELS
];
963 LLVMValueRef aos
[LP_MAX_VECTOR_WIDTH
/ 32];
964 for (chan
= 0; chan
< TGSI_NUM_CHANNELS
; ++chan
) {
965 if (outputs
[attrib
][chan
]) {
966 LLVMValueRef out
= LLVMBuildLoad(builder
, outputs
[attrib
][chan
], "");
967 lp_build_name(out
, "output%u.%c", attrib
, "xyzw"[chan
]);
969 lp_build_printf(gallivm
, "output %d : %d ",
970 LLVMConstInt(LLVMInt32TypeInContext(gallivm
->context
),
972 LLVMConstInt(LLVMInt32TypeInContext(gallivm
->context
),
974 lp_build_print_value(gallivm
, "val = ", out
);
977 LLVMBuildBitCast(builder
, out
, lp_build_int_vec_type(gallivm
, soa_type
), "");
979 lp_build_print_value(gallivm
, " ival = ", iv
);
990 if (soa_type
.length
== TGSI_NUM_CHANNELS
) {
991 lp_build_transpose_aos(gallivm
, soa_type
, soa
, aos
);
993 lp_build_transpose_aos(gallivm
, soa_type
, soa
, soa
);
995 for (i
= 0; i
< soa_type
.length
; ++i
) {
996 aos
[i
] = lp_build_extract_range(gallivm
,
997 soa
[i
% TGSI_NUM_CHANNELS
],
998 (i
/ TGSI_NUM_CHANNELS
) * TGSI_NUM_CHANNELS
,
1003 store_aos_array(gallivm
,
1013 lp_build_printf(gallivm
, " # storing end\n");
1019 * Stores original vertex positions in clip coordinates
1022 store_clip(struct gallivm_state
*gallivm
,
1023 const struct lp_type vs_type
,
1024 LLVMValueRef io_ptr
,
1025 LLVMValueRef (*outputs
)[TGSI_NUM_CHANNELS
],
1028 LLVMBuilderRef builder
= gallivm
->builder
;
1029 LLVMValueRef soa
[4];
1030 LLVMValueRef aos
[LP_MAX_VECTOR_LENGTH
];
1031 LLVMValueRef indices
[2];
1032 LLVMValueRef io_ptrs
[LP_MAX_VECTOR_WIDTH
/ 32];
1033 LLVMValueRef inds
[LP_MAX_VECTOR_WIDTH
/ 32];
1034 LLVMValueRef clip_ptrs
[LP_MAX_VECTOR_WIDTH
/ 32];
1035 LLVMTypeRef clip_ptr_type
=
1036 LLVMPointerType(LLVMVectorType(LLVMFloatTypeInContext(gallivm
->context
),
1041 indices
[1] = lp_build_const_int32(gallivm
, 0);
1043 for (i
= 0; i
< vs_type
.length
; i
++) {
1044 inds
[i
] = lp_build_const_int32(gallivm
, i
);
1045 io_ptrs
[i
] = LLVMBuildGEP(builder
, io_ptr
, &inds
[i
], 1, "");
1048 soa
[0] = LLVMBuildLoad(builder
, outputs
[idx
][0], ""); /*x0 x1 .. xn*/
1049 soa
[1] = LLVMBuildLoad(builder
, outputs
[idx
][1], ""); /*y0 y1 .. yn*/
1050 soa
[2] = LLVMBuildLoad(builder
, outputs
[idx
][2], ""); /*z0 z1 .. zn*/
1051 soa
[3] = LLVMBuildLoad(builder
, outputs
[idx
][3], ""); /*w0 w1 .. wn*/
1053 for (i
= 0; i
< vs_type
.length
; i
++) {
1054 clip_ptrs
[i
] = draw_jit_header_clip_pos(gallivm
, io_ptrs
[i
]);
1057 lp_build_transpose_aos(gallivm
, vs_type
, soa
, soa
);
1058 for (i
= 0; i
< vs_type
.length
; ++i
) {
1059 aos
[i
] = lp_build_extract_range(gallivm
,
1060 soa
[i
% TGSI_NUM_CHANNELS
],
1061 (i
/ TGSI_NUM_CHANNELS
) * TGSI_NUM_CHANNELS
,
1065 for (j
= 0; j
< vs_type
.length
; j
++) {
1066 LLVMValueRef clip_ptr
;
1068 clip_ptr
= LLVMBuildGEP(builder
, clip_ptrs
[j
], indices
, 2, "clipo");
1069 clip_ptr
= LLVMBuildPointerCast(builder
, clip_ptr
, clip_ptr_type
, "");
1071 /* Unaligned store */
1072 lp_set_store_alignment(LLVMBuildStore(builder
, aos
[j
], clip_ptr
), sizeof(float));
1078 * Transforms the outputs for viewport mapping
1081 generate_viewport(struct draw_llvm_variant
*variant
,
1082 LLVMBuilderRef builder
,
1083 struct lp_type vs_type
,
1084 LLVMValueRef (*outputs
)[TGSI_NUM_CHANNELS
],
1085 LLVMValueRef context_ptr
)
1088 struct gallivm_state
*gallivm
= variant
->gallivm
;
1089 struct lp_type f32_type
= vs_type
;
1090 const unsigned pos
= variant
->llvm
->draw
->vs
.position_output
;
1091 LLVMTypeRef vs_type_llvm
= lp_build_vec_type(gallivm
, vs_type
);
1092 LLVMValueRef out3
= LLVMBuildLoad(builder
, outputs
[pos
][3], ""); /*w0 w1 .. wn*/
1093 LLVMValueRef const1
= lp_build_const_vec(gallivm
, f32_type
, 1.0); /*1.0 1.0 1.0 1.0*/
1094 LLVMValueRef vp_ptr
= draw_jit_context_viewports(gallivm
, context_ptr
);
1096 /* We treat pipe_viewport_state as a float array */
1097 const int scale_index_offset
= offsetof(struct pipe_viewport_state
, scale
) / sizeof(float);
1098 const int trans_index_offset
= offsetof(struct pipe_viewport_state
, translate
) / sizeof(float);
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
+ scale_index_offset
);
1114 scale_i
= LLVMBuildGEP(builder
, vp_ptr
, &index
, 1, "");
1116 index
= lp_build_const_int32(gallivm
, i
+ trans_index_offset
);
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
],
1146 struct draw_llvm_variant_key
*key
,
1147 LLVMValueRef context_ptr
,
1148 boolean
*have_clipdist
)
1150 LLVMBuilderRef builder
= gallivm
->builder
;
1151 LLVMValueRef mask
; /* stores the <nxi32> clipmasks */
1152 LLVMValueRef test
, temp
;
1153 LLVMValueRef zero
, shift
;
1154 LLVMValueRef pos_x
, pos_y
, pos_z
, pos_w
;
1155 LLVMValueRef cv_x
, cv_y
, cv_z
, cv_w
;
1156 LLVMValueRef plane1
, planes
, plane_ptr
, sum
;
1157 struct lp_type f32_type
= vs_type
;
1158 struct lp_type i32_type
= lp_int_type(vs_type
);
1159 const unsigned pos
= llvm
->draw
->vs
.position_output
;
1160 const unsigned cv
= llvm
->draw
->vs
.clipvertex_output
;
1161 int num_written_clipdistance
= llvm
->draw
->vs
.vertex_shader
->info
.num_written_clipdistance
;
1162 boolean have_cd
= false;
1163 boolean clip_user
= key
->clip_user
;
1164 unsigned ucp_enable
= key
->ucp_enable
;
1167 cd
[0] = llvm
->draw
->vs
.clipdistance_output
[0];
1168 cd
[1] = llvm
->draw
->vs
.clipdistance_output
[1];
1170 if (cd
[0] != pos
|| cd
[1] != pos
)
1173 if (num_written_clipdistance
&& !clip_user
) {
1175 ucp_enable
= (1 << num_written_clipdistance
) - 1;
1178 mask
= lp_build_const_int_vec(gallivm
, i32_type
, 0);
1179 temp
= lp_build_const_int_vec(gallivm
, i32_type
, 0);
1180 zero
= lp_build_const_vec(gallivm
, f32_type
, 0); /* 0.0f 0.0f 0.0f 0.0f */
1181 shift
= lp_build_const_int_vec(gallivm
, i32_type
, 1); /* 1 1 1 1 */
1184 * load clipvertex and position from correct locations.
1185 * if they are the same just load them once.
1187 pos_x
= LLVMBuildLoad(builder
, outputs
[pos
][0], ""); /*x0 x1 .. xn */
1188 pos_y
= LLVMBuildLoad(builder
, outputs
[pos
][1], ""); /*y0 y1 .. yn */
1189 pos_z
= LLVMBuildLoad(builder
, outputs
[pos
][2], ""); /*z0 z1 .. zn */
1190 pos_w
= LLVMBuildLoad(builder
, outputs
[pos
][3], ""); /*w0 w1 .. wn */
1192 if (clip_user
&& cv
!= pos
) {
1193 cv_x
= LLVMBuildLoad(builder
, outputs
[cv
][0], ""); /*x0 x1 .. xn */
1194 cv_y
= LLVMBuildLoad(builder
, outputs
[cv
][1], ""); /*y0 y1 .. yn */
1195 cv_z
= LLVMBuildLoad(builder
, outputs
[cv
][2], ""); /*z0 z1 .. zn */
1196 cv_w
= LLVMBuildLoad(builder
, outputs
[cv
][3], ""); /*w0 w1 .. wn */
1205 * Be careful with the comparisons and NaNs (using llvm's unordered
1206 * comparisons here).
1208 /* Cliptest, for hardwired planes */
1210 * XXX should take guardband into account (currently not in key).
1211 * Otherwise might run the draw pipeline stages for nothing.
1215 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, pos_x
, pos_w
);
1217 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1221 test
= LLVMBuildFAdd(builder
, pos_x
, pos_w
, "");
1222 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, test
);
1223 temp
= LLVMBuildShl(builder
, temp
, shift
, "");
1224 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1225 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1228 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, pos_y
, pos_w
);
1229 temp
= LLVMBuildShl(builder
, temp
, shift
, "");
1230 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1231 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1234 test
= LLVMBuildFAdd(builder
, pos_y
, pos_w
, "");
1235 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, test
);
1236 temp
= LLVMBuildShl(builder
, temp
, shift
, "");
1237 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1238 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1242 temp
= lp_build_const_int_vec(gallivm
, i32_type
, 16);
1243 if (key
->clip_halfz
) {
1245 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, pos_z
);
1246 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1247 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1251 test
= LLVMBuildFAdd(builder
, pos_z
, pos_w
, "");
1252 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, test
);
1253 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1254 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1257 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, pos_z
, pos_w
);
1258 temp
= LLVMBuildShl(builder
, temp
, shift
, "");
1259 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1260 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1264 LLVMValueRef planes_ptr
= draw_jit_context_planes(gallivm
, context_ptr
);
1265 LLVMValueRef indices
[3];
1266 LLVMValueRef is_nan_or_inf
;
1268 /* userclip planes */
1269 while (ucp_enable
) {
1270 unsigned plane_idx
= ffs(ucp_enable
)-1;
1271 ucp_enable
&= ~(1 << plane_idx
);
1274 if (have_cd
&& num_written_clipdistance
) {
1275 LLVMValueRef clipdist
;
1279 *have_clipdist
= TRUE
;
1281 clipdist
= LLVMBuildLoad(builder
, outputs
[cd
[0]][i
], "");
1283 clipdist
= LLVMBuildLoad(builder
, outputs
[cd
[1]][i
-4], "");
1285 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, clipdist
);
1286 is_nan_or_inf
= lp_build_is_inf_or_nan(gallivm
, vs_type
, clipdist
);
1287 test
= LLVMBuildOr(builder
, test
, is_nan_or_inf
, "");
1288 temp
= lp_build_const_int_vec(gallivm
, i32_type
, 1LL << plane_idx
);
1289 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1290 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1292 LLVMTypeRef vs_type_llvm
= lp_build_vec_type(gallivm
, vs_type
);
1293 indices
[0] = lp_build_const_int32(gallivm
, 0);
1294 indices
[1] = lp_build_const_int32(gallivm
, plane_idx
);
1296 indices
[2] = lp_build_const_int32(gallivm
, 0);
1297 plane_ptr
= LLVMBuildGEP(builder
, planes_ptr
, indices
, 3, "");
1298 plane1
= LLVMBuildLoad(builder
, plane_ptr
, "plane_x");
1299 planes
= lp_build_broadcast(gallivm
, vs_type_llvm
, plane1
);
1300 sum
= LLVMBuildFMul(builder
, planes
, cv_x
, "");
1302 indices
[2] = lp_build_const_int32(gallivm
, 1);
1303 plane_ptr
= LLVMBuildGEP(builder
, planes_ptr
, indices
, 3, "");
1304 plane1
= LLVMBuildLoad(builder
, plane_ptr
, "plane_y");
1305 planes
= lp_build_broadcast(gallivm
, vs_type_llvm
, plane1
);
1306 test
= LLVMBuildFMul(builder
, planes
, cv_y
, "");
1307 sum
= LLVMBuildFAdd(builder
, sum
, test
, "");
1309 indices
[2] = lp_build_const_int32(gallivm
, 2);
1310 plane_ptr
= LLVMBuildGEP(builder
, planes_ptr
, indices
, 3, "");
1311 plane1
= LLVMBuildLoad(builder
, plane_ptr
, "plane_z");
1312 planes
= lp_build_broadcast(gallivm
, vs_type_llvm
, plane1
);
1313 test
= LLVMBuildFMul(builder
, planes
, cv_z
, "");
1314 sum
= LLVMBuildFAdd(builder
, sum
, test
, "");
1316 indices
[2] = lp_build_const_int32(gallivm
, 3);
1317 plane_ptr
= LLVMBuildGEP(builder
, planes_ptr
, indices
, 3, "");
1318 plane1
= LLVMBuildLoad(builder
, plane_ptr
, "plane_w");
1319 planes
= lp_build_broadcast(gallivm
, vs_type_llvm
, plane1
);
1320 test
= LLVMBuildFMul(builder
, planes
, cv_w
, "");
1321 sum
= LLVMBuildFAdd(builder
, sum
, test
, "");
1323 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_GREATER
, zero
, sum
);
1324 temp
= lp_build_const_int_vec(gallivm
, i32_type
, 1LL << plane_idx
);
1325 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1326 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1330 if (key
->need_edgeflags
) {
1332 * This isn't really part of clipmask but stored the same in vertex
1333 * header later, so do it here.
1335 unsigned edge_attr
= llvm
->draw
->vs
.edgeflag_output
;
1336 LLVMValueRef one
= lp_build_const_vec(gallivm
, f32_type
, 1.0);
1337 LLVMValueRef edgeflag
= LLVMBuildLoad(builder
, outputs
[edge_attr
][0], "");
1338 test
= lp_build_compare(gallivm
, f32_type
, PIPE_FUNC_EQUAL
, one
, edgeflag
);
1339 temp
= lp_build_const_int_vec(gallivm
, i32_type
,
1340 1LL << DRAW_TOTAL_CLIP_PLANES
);
1341 test
= LLVMBuildAnd(builder
, test
, temp
, "");
1342 mask
= LLVMBuildOr(builder
, mask
, test
, "");
1349 * Returns boolean if any clipping has occurred
1350 * Used zero/non-zero i32 value to represent boolean
1353 clipmask_booli32(struct gallivm_state
*gallivm
,
1354 const struct lp_type vs_type
,
1355 LLVMValueRef clipmask_bool_ptr
,
1356 boolean edgeflag_in_clipmask
)
1358 LLVMBuilderRef builder
= gallivm
->builder
;
1359 LLVMTypeRef int32_type
= LLVMInt32TypeInContext(gallivm
->context
);
1360 LLVMValueRef clipmask_bool
= LLVMBuildLoad(builder
, clipmask_bool_ptr
, "");
1361 LLVMValueRef ret
= LLVMConstNull(int32_type
);
1366 * We need to invert the edgeflag bit from the clipmask here
1367 * (because the result is really if we want to run the pipeline or not
1368 * and we (may) need it if edgeflag was 0).
1370 if (edgeflag_in_clipmask
) {
1371 struct lp_type i32_type
= lp_int_type(vs_type
);
1372 LLVMValueRef edge
= lp_build_const_int_vec(gallivm
, i32_type
,
1373 1LL << DRAW_TOTAL_CLIP_PLANES
);
1374 clipmask_bool
= LLVMBuildXor(builder
, clipmask_bool
, edge
, "");
1377 * Could do much better with just cmp/movmskps.
1379 for (i
=0; i
< vs_type
.length
; i
++) {
1380 temp
= LLVMBuildExtractElement(builder
, clipmask_bool
,
1381 lp_build_const_int32(gallivm
, i
) , "");
1382 ret
= LLVMBuildOr(builder
, ret
, temp
, "");
1388 draw_gs_llvm_fetch_input(const struct lp_build_tgsi_gs_iface
*gs_iface
,
1389 struct lp_build_tgsi_context
* bld_base
,
1390 boolean is_vindex_indirect
,
1391 LLVMValueRef vertex_index
,
1392 boolean is_aindex_indirect
,
1393 LLVMValueRef attrib_index
,
1394 LLVMValueRef swizzle_index
)
1396 const struct draw_gs_llvm_iface
*gs
= draw_gs_llvm_iface(gs_iface
);
1397 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1398 LLVMBuilderRef builder
= gallivm
->builder
;
1399 LLVMValueRef indices
[3];
1401 struct lp_type type
= bld_base
->base
.type
;
1403 if (is_vindex_indirect
|| is_aindex_indirect
) {
1405 res
= bld_base
->base
.zero
;
1406 for (i
= 0; i
< type
.length
; ++i
) {
1407 LLVMValueRef idx
= lp_build_const_int32(gallivm
, i
);
1408 LLVMValueRef vert_chan_index
= vertex_index
;
1409 LLVMValueRef attr_chan_index
= attrib_index
;
1410 LLVMValueRef channel_vec
, value
;
1412 if (is_vindex_indirect
) {
1413 vert_chan_index
= LLVMBuildExtractElement(builder
,
1414 vertex_index
, idx
, "");
1416 if (is_aindex_indirect
) {
1417 attr_chan_index
= LLVMBuildExtractElement(builder
,
1418 attrib_index
, idx
, "");
1421 indices
[0] = vert_chan_index
;
1422 indices
[1] = attr_chan_index
;
1423 indices
[2] = swizzle_index
;
1425 channel_vec
= LLVMBuildGEP(builder
, gs
->input
, indices
, 3, "");
1426 channel_vec
= LLVMBuildLoad(builder
, channel_vec
, "");
1427 value
= LLVMBuildExtractElement(builder
, channel_vec
, idx
, "");
1429 res
= LLVMBuildInsertElement(builder
, res
, value
, idx
, "");
1432 indices
[0] = vertex_index
;
1433 indices
[1] = attrib_index
;
1434 indices
[2] = swizzle_index
;
1436 res
= LLVMBuildGEP(builder
, gs
->input
, indices
, 3, "");
1437 res
= LLVMBuildLoad(builder
, res
, "");
1444 draw_gs_llvm_emit_vertex(const struct lp_build_tgsi_gs_iface
*gs_base
,
1445 struct lp_build_tgsi_context
* bld_base
,
1446 LLVMValueRef (*outputs
)[4],
1447 LLVMValueRef emitted_vertices_vec
)
1449 const struct draw_gs_llvm_iface
*gs_iface
= draw_gs_llvm_iface(gs_base
);
1450 struct draw_gs_llvm_variant
*variant
= gs_iface
->variant
;
1451 struct gallivm_state
*gallivm
= variant
->gallivm
;
1452 LLVMBuilderRef builder
= gallivm
->builder
;
1453 struct lp_type gs_type
= bld_base
->base
.type
;
1454 LLVMValueRef clipmask
= lp_build_const_int_vec(gallivm
,
1455 lp_int_type(gs_type
), 0);
1456 LLVMValueRef indices
[LP_MAX_VECTOR_LENGTH
];
1457 LLVMValueRef next_prim_offset
=
1458 lp_build_const_int32(gallivm
, variant
->shader
->base
.primitive_boundary
);
1459 LLVMValueRef io
= variant
->io_ptr
;
1461 const struct tgsi_shader_info
*gs_info
= &variant
->shader
->base
.info
;
1463 for (i
= 0; i
< gs_type
.length
; ++i
) {
1464 LLVMValueRef ind
= lp_build_const_int32(gallivm
, i
);
1465 LLVMValueRef currently_emitted
=
1466 LLVMBuildExtractElement(builder
, emitted_vertices_vec
, ind
, "");
1467 indices
[i
] = LLVMBuildMul(builder
, ind
, next_prim_offset
, "");
1468 indices
[i
] = LLVMBuildAdd(builder
, indices
[i
], currently_emitted
, "");
1471 convert_to_aos(gallivm
, io
, indices
,
1473 gs_info
->num_outputs
, gs_type
,
1478 draw_gs_llvm_end_primitive(const struct lp_build_tgsi_gs_iface
*gs_base
,
1479 struct lp_build_tgsi_context
* bld_base
,
1480 LLVMValueRef verts_per_prim_vec
,
1481 LLVMValueRef emitted_prims_vec
)
1483 const struct draw_gs_llvm_iface
*gs_iface
= draw_gs_llvm_iface(gs_base
);
1484 struct draw_gs_llvm_variant
*variant
= gs_iface
->variant
;
1485 struct gallivm_state
*gallivm
= variant
->gallivm
;
1486 LLVMBuilderRef builder
= gallivm
->builder
;
1487 LLVMValueRef prim_lengts_ptr
=
1488 draw_gs_jit_prim_lengths(variant
->gallivm
, variant
->context_ptr
);
1491 for (i
= 0; i
< bld_base
->base
.type
.length
; ++i
) {
1492 LLVMValueRef ind
= lp_build_const_int32(gallivm
, i
);
1493 LLVMValueRef prims_emitted
=
1494 LLVMBuildExtractElement(builder
, emitted_prims_vec
, ind
, "");
1495 LLVMValueRef store_ptr
;
1496 LLVMValueRef num_vertices
=
1497 LLVMBuildExtractElement(builder
, verts_per_prim_vec
, ind
, "");
1499 store_ptr
= LLVMBuildGEP(builder
, prim_lengts_ptr
, &prims_emitted
, 1, "");
1500 store_ptr
= LLVMBuildLoad(builder
, store_ptr
, "");
1501 store_ptr
= LLVMBuildGEP(builder
, store_ptr
, &ind
, 1, "");
1502 LLVMBuildStore(builder
, num_vertices
, store_ptr
);
1507 draw_gs_llvm_epilogue(const struct lp_build_tgsi_gs_iface
*gs_base
,
1508 struct lp_build_tgsi_context
* bld_base
,
1509 LLVMValueRef total_emitted_vertices_vec
,
1510 LLVMValueRef emitted_prims_vec
)
1512 const struct draw_gs_llvm_iface
*gs_iface
= draw_gs_llvm_iface(gs_base
);
1513 struct draw_gs_llvm_variant
*variant
= gs_iface
->variant
;
1514 struct gallivm_state
*gallivm
= variant
->gallivm
;
1515 LLVMBuilderRef builder
= gallivm
->builder
;
1516 LLVMValueRef emitted_verts_ptr
=
1517 draw_gs_jit_emitted_vertices(gallivm
, variant
->context_ptr
);
1518 LLVMValueRef emitted_prims_ptr
=
1519 draw_gs_jit_emitted_prims(gallivm
, variant
->context_ptr
);
1520 LLVMValueRef zero
= lp_build_const_int32(gallivm
, 0);
1522 emitted_verts_ptr
= LLVMBuildGEP(builder
, emitted_verts_ptr
, &zero
, 0, "");
1523 emitted_prims_ptr
= LLVMBuildGEP(builder
, emitted_prims_ptr
, &zero
, 0, "");
1525 LLVMBuildStore(builder
, total_emitted_vertices_vec
, emitted_verts_ptr
);
1526 LLVMBuildStore(builder
, emitted_prims_vec
, emitted_prims_ptr
);
1530 draw_llvm_generate(struct draw_llvm
*llvm
, struct draw_llvm_variant
*variant
,
1533 struct gallivm_state
*gallivm
= variant
->gallivm
;
1534 LLVMContextRef context
= gallivm
->context
;
1535 LLVMTypeRef int32_type
= LLVMInt32TypeInContext(context
);
1536 LLVMTypeRef arg_types
[11];
1537 unsigned num_arg_types
=
1538 elts
? Elements(arg_types
) : Elements(arg_types
) - 1;
1539 LLVMTypeRef func_type
;
1540 LLVMValueRef context_ptr
;
1541 LLVMBasicBlockRef block
;
1542 LLVMBuilderRef builder
;
1544 struct lp_type vs_type
;
1545 LLVMValueRef end
, start
;
1546 LLVMValueRef count
, fetch_elts
, fetch_elt_max
, fetch_count
;
1547 LLVMValueRef vertex_id_offset
, start_instance
;
1548 LLVMValueRef stride
, step
, io_itr
;
1549 LLVMValueRef io_ptr
, vbuffers_ptr
, vb_ptr
;
1550 LLVMValueRef zero
= lp_build_const_int32(gallivm
, 0);
1551 LLVMValueRef one
= lp_build_const_int32(gallivm
, 1);
1552 struct draw_context
*draw
= llvm
->draw
;
1553 const struct tgsi_shader_info
*vs_info
= &draw
->vs
.vertex_shader
->info
;
1555 struct lp_build_context bld
;
1556 struct lp_build_loop_state lp_loop
;
1557 const int vector_length
= lp_native_vector_width
/ 32;
1558 LLVMValueRef outputs
[PIPE_MAX_SHADER_OUTPUTS
][TGSI_NUM_CHANNELS
];
1559 LLVMValueRef fetch_max
;
1560 struct lp_build_sampler_soa
*sampler
= 0;
1561 LLVMValueRef ret
, clipmask_bool_ptr
;
1562 struct draw_llvm_variant_key
*key
= &variant
->key
;
1563 /* If geometry shader is present we need to skip both the viewport
1564 * transformation and clipping otherwise the inputs to the geometry
1565 * shader will be incorrect.
1566 * The code can't handle vp transform when vs writes vp index neither
1567 * (though this would be fixable here, but couldn't just broadcast
1570 const boolean bypass_viewport
= key
->has_gs
|| key
->bypass_viewport
||
1571 llvm
->draw
->vs
.vertex_shader
->info
.writes_viewport_index
;
1572 const boolean enable_cliptest
= !key
->has_gs
&& (key
->clip_xy
||
1575 key
->need_edgeflags
);
1576 LLVMValueRef variant_func
;
1577 const unsigned pos
= llvm
->draw
->vs
.position_output
;
1578 const unsigned cv
= llvm
->draw
->vs
.clipvertex_output
;
1579 boolean have_clipdist
= FALSE
;
1580 struct lp_bld_tgsi_system_values system_values
;
1582 memset(&system_values
, 0, sizeof(system_values
));
1584 util_snprintf(func_name
, sizeof(func_name
), "draw_llvm_vs_variant%u_%s",
1585 variant
->shader
->variants_cached
, elts
? "elts" : "linear");
1588 arg_types
[i
++] = get_context_ptr_type(variant
); /* context */
1589 arg_types
[i
++] = get_vertex_header_ptr_type(variant
); /* vertex_header */
1590 arg_types
[i
++] = get_buffer_ptr_type(variant
); /* vbuffers */
1592 arg_types
[i
++] = LLVMPointerType(int32_type
, 0);/* fetch_elts */
1593 arg_types
[i
++] = int32_type
; /* fetch_elt_max */
1595 arg_types
[i
++] = int32_type
; /* start */
1596 arg_types
[i
++] = int32_type
; /* fetch_count / count */
1597 arg_types
[i
++] = int32_type
; /* stride */
1598 arg_types
[i
++] = get_vb_ptr_type(variant
); /* pipe_vertex_buffer's */
1599 arg_types
[i
++] = int32_type
; /* instance_id */
1600 arg_types
[i
++] = int32_type
; /* vertex_id_offset */
1601 arg_types
[i
++] = int32_type
; /* start_instance */
1603 func_type
= LLVMFunctionType(int32_type
, arg_types
, num_arg_types
, 0);
1605 variant_func
= LLVMAddFunction(gallivm
->module
, func_name
, func_type
);
1608 variant
->function_elts
= variant_func
;
1610 variant
->function
= variant_func
;
1612 LLVMSetFunctionCallConv(variant_func
, LLVMCCallConv
);
1613 for (i
= 0; i
< num_arg_types
; ++i
)
1614 if (LLVMGetTypeKind(arg_types
[i
]) == LLVMPointerTypeKind
)
1615 LLVMAddAttribute(LLVMGetParam(variant_func
, i
),
1616 LLVMNoAliasAttribute
);
1618 context_ptr
= LLVMGetParam(variant_func
, 0);
1619 io_ptr
= LLVMGetParam(variant_func
, 1);
1620 vbuffers_ptr
= LLVMGetParam(variant_func
, 2);
1622 * XXX: stride is actually unused. The stride we use is strictly calculated
1623 * from the number of outputs (including the draw_extra outputs).
1624 * Should probably fix some day (we need a new vs just because of extra
1625 * outputs which the generated vs won't touch).
1627 stride
= LLVMGetParam(variant_func
, 5 + (elts
? 1 : 0));
1628 vb_ptr
= LLVMGetParam(variant_func
, 6 + (elts
? 1 : 0));
1629 system_values
.instance_id
= LLVMGetParam(variant_func
, 7 + (elts
? 1 : 0));
1630 vertex_id_offset
= LLVMGetParam(variant_func
, 8 + (elts
? 1 : 0));
1631 start_instance
= LLVMGetParam(variant_func
, 9 + (elts
? 1 : 0));
1633 lp_build_name(context_ptr
, "context");
1634 lp_build_name(io_ptr
, "io");
1635 lp_build_name(vbuffers_ptr
, "vbuffers");
1636 lp_build_name(stride
, "stride");
1637 lp_build_name(vb_ptr
, "vb");
1638 lp_build_name(system_values
.instance_id
, "instance_id");
1639 lp_build_name(vertex_id_offset
, "vertex_id_offset");
1640 lp_build_name(start_instance
, "start_instance");
1643 fetch_elts
= LLVMGetParam(variant_func
, 3);
1644 fetch_elt_max
= LLVMGetParam(variant_func
, 4);
1645 fetch_count
= LLVMGetParam(variant_func
, 5);
1646 lp_build_name(fetch_elts
, "fetch_elts");
1647 lp_build_name(fetch_elt_max
, "fetch_elt_max");
1648 lp_build_name(fetch_count
, "fetch_count");
1649 start
= count
= NULL
;
1652 start
= LLVMGetParam(variant_func
, 3);
1653 count
= LLVMGetParam(variant_func
, 4);
1654 lp_build_name(start
, "start");
1655 lp_build_name(count
, "count");
1656 fetch_elts
= fetch_count
= NULL
;
1663 block
= LLVMAppendBasicBlockInContext(gallivm
->context
, variant_func
, "entry");
1664 builder
= gallivm
->builder
;
1665 LLVMPositionBuilderAtEnd(builder
, block
);
1667 lp_build_context_init(&bld
, gallivm
, lp_type_int(32));
1669 memset(&vs_type
, 0, sizeof vs_type
);
1670 vs_type
.floating
= TRUE
; /* floating point values */
1671 vs_type
.sign
= TRUE
; /* values are signed */
1672 vs_type
.norm
= FALSE
; /* values are not limited to [0,1] or [-1,1] */
1673 vs_type
.width
= 32; /* 32-bit float */
1674 vs_type
.length
= vector_length
;
1676 /* hold temporary "bool" clipmask */
1677 clipmask_bool_ptr
= lp_build_alloca(gallivm
, lp_build_int_vec_type(gallivm
, vs_type
), "");
1678 LLVMBuildStore(builder
, lp_build_zero(gallivm
, lp_int_type(vs_type
)), clipmask_bool_ptr
);
1680 /* code generated texture sampling */
1681 sampler
= draw_llvm_sampler_soa_create(draw_llvm_variant_key_samplers(key
));
1686 count
= fetch_count
;
1689 end
= lp_build_add(&bld
, start
, count
);
1692 step
= lp_build_const_int32(gallivm
, vector_length
);
1694 fetch_max
= LLVMBuildSub(builder
, end
, one
, "fetch_max");
1696 lp_build_loop_begin(&lp_loop
, gallivm
, zero
);
1698 LLVMValueRef inputs
[PIPE_MAX_SHADER_INPUTS
][TGSI_NUM_CHANNELS
];
1699 LLVMValueRef aos_attribs
[PIPE_MAX_SHADER_INPUTS
][LP_MAX_VECTOR_WIDTH
/ 32] = { { 0 } };
1701 LLVMValueRef clipmask
; /* holds the clipmask value */
1702 LLVMValueRef true_index_array
= lp_build_zero(gallivm
,
1703 lp_type_uint_vec(32, 32*vector_length
));
1704 const LLVMValueRef (*ptr_aos
)[TGSI_NUM_CHANNELS
];
1706 io_itr
= lp_loop
.counter
;
1708 io
= LLVMBuildGEP(builder
, io_ptr
, &io_itr
, 1, "");
1710 lp_build_printf(gallivm
, " --- io %d = %p, loop counter %d\n",
1711 io_itr
, io
, lp_loop
.counter
);
1713 for (i
= 0; i
< vector_length
; ++i
) {
1714 LLVMValueRef vert_index
=
1715 LLVMBuildAdd(builder
,
1717 lp_build_const_int32(gallivm
, i
), "");
1718 LLVMValueRef true_index
=
1719 LLVMBuildAdd(builder
, start
, vert_index
, "");
1721 /* make sure we're not out of bounds which can happen
1722 * if fetch_count % 4 != 0, because on the last iteration
1723 * a few of the 4 vertex fetches will be out of bounds */
1724 true_index
= lp_build_min(&bld
, true_index
, fetch_max
);
1727 LLVMValueRef fetch_ptr
;
1728 LLVMValueRef index_overflowed
;
1729 LLVMValueRef index_ptr
=
1732 lp_build_vec_type(gallivm
, lp_type_int(32)), "");
1733 struct lp_build_if_state if_ctx
;
1734 index_overflowed
= LLVMBuildICmp(builder
, LLVMIntUGT
,
1735 true_index
, fetch_elt_max
,
1736 "index_overflowed");
1738 lp_build_if(&if_ctx
, gallivm
, index_overflowed
);
1740 /* Generate maximum possible index so that
1741 * generate_fetch can treat it just like
1742 * any other overflow and return zeros.
1743 * We don't have to worry about the restart
1744 * primitive index because it has already been
1748 lp_build_const_int32(gallivm
, 0xffffffff);
1749 LLVMBuildStore(builder
, val
, index_ptr
);
1751 lp_build_else(&if_ctx
);
1754 fetch_ptr
= LLVMBuildGEP(builder
, fetch_elts
,
1755 &true_index
, 1, "");
1756 val
= LLVMBuildLoad(builder
, fetch_ptr
, "");
1757 LLVMBuildStore(builder
, val
, index_ptr
);
1759 lp_build_endif(&if_ctx
);
1760 true_index
= LLVMBuildLoad(builder
, index_ptr
, "true_index");
1762 true_index_array
= LLVMBuildInsertElement(
1763 gallivm
->builder
, true_index_array
, true_index
,
1764 lp_build_const_int32(gallivm
, i
), "");
1766 for (j
= 0; j
< draw
->pt
.nr_vertex_elements
; ++j
) {
1767 struct pipe_vertex_element
*velem
= &draw
->pt
.vertex_element
[j
];
1768 LLVMValueRef vb_index
=
1769 lp_build_const_int32(gallivm
, velem
->vertex_buffer_index
);
1770 LLVMValueRef vb
= LLVMBuildGEP(builder
, vb_ptr
, &vb_index
, 1, "");
1771 generate_fetch(gallivm
, draw
, vbuffers_ptr
,
1772 &aos_attribs
[j
][i
], velem
, vb
, true_index
,
1773 system_values
.instance_id
, start_instance
);
1776 convert_to_soa(gallivm
, aos_attribs
, inputs
,
1777 draw
->pt
.nr_vertex_elements
, vs_type
);
1779 /* In the paths with elts vertex id has to be unaffected by the
1780 * index bias and because indices inside our elements array have
1781 * already had index bias applied we need to subtract it here to
1782 * get back to the original index.
1783 * in the linear paths vertex id has to be unaffected by the
1784 * original start index and because we abuse the 'start' variable
1785 * to either represent the actual start index or the index at which
1786 * the primitive was split (we split rendering into chunks of at
1787 * most 4095-vertices) we need to back out the original start
1788 * index out of our vertex id here.
1790 system_values
.basevertex
= lp_build_broadcast(gallivm
, lp_build_vec_type(gallivm
,
1791 lp_type_uint_vec(32, 32*vector_length
)),
1793 system_values
.vertex_id
= true_index_array
;
1794 system_values
.vertex_id_nobase
= LLVMBuildSub(builder
, true_index_array
,
1795 system_values
.basevertex
, "");
1797 ptr_aos
= (const LLVMValueRef (*)[TGSI_NUM_CHANNELS
]) inputs
;
1798 generate_vs(variant
,
1806 key
->clamp_vertex_color
);
1808 if (pos
!= -1 && cv
!= -1) {
1809 /* store original positions in clip before further manipulation */
1810 store_clip(gallivm
, vs_type
, io
, outputs
, pos
);
1813 if (enable_cliptest
) {
1814 LLVMValueRef temp
= LLVMBuildLoad(builder
, clipmask_bool_ptr
, "");
1815 /* allocate clipmask, assign it integer type */
1816 clipmask
= generate_clipmask(llvm
,
1821 context_ptr
, &have_clipdist
);
1822 temp
= LLVMBuildOr(builder
, clipmask
, temp
, "");
1823 /* store temporary clipping boolean value */
1824 LLVMBuildStore(builder
, temp
, clipmask_bool_ptr
);
1827 clipmask
= lp_build_const_int_vec(gallivm
, lp_int_type(vs_type
), 0);
1830 /* do viewport mapping */
1831 if (!bypass_viewport
) {
1832 generate_viewport(variant
, builder
, vs_type
, outputs
, context_ptr
);
1836 clipmask
= lp_build_const_int_vec(gallivm
, lp_int_type(vs_type
), 0);
1839 /* store clipmask in vertex header,
1840 * original positions in clip
1841 * and transformed positions in data
1843 convert_to_aos(gallivm
, io
, NULL
, outputs
, clipmask
,
1844 vs_info
->num_outputs
, vs_type
,
1845 enable_cliptest
&& key
->need_edgeflags
);
1847 lp_build_loop_end_cond(&lp_loop
, count
, step
, LLVMIntUGE
);
1849 sampler
->destroy(sampler
);
1851 /* return clipping boolean value for function */
1852 ret
= clipmask_booli32(gallivm
, vs_type
, clipmask_bool_ptr
,
1853 enable_cliptest
&& key
->need_edgeflags
);
1855 LLVMBuildRet(builder
, ret
);
1857 gallivm_verify_function(gallivm
, variant_func
);
1861 struct draw_llvm_variant_key
*
1862 draw_llvm_make_variant_key(struct draw_llvm
*llvm
, char *store
)
1865 struct draw_llvm_variant_key
*key
;
1866 struct draw_sampler_static_state
*draw_sampler
;
1868 key
= (struct draw_llvm_variant_key
*)store
;
1870 memset(key
, 0, offsetof(struct draw_llvm_variant_key
, vertex_element
[0]));
1872 key
->clamp_vertex_color
= llvm
->draw
->rasterizer
->clamp_vertex_color
; /**/
1874 /* Presumably all variants of the shader should have the same
1875 * number of vertex elements - ie the number of shader inputs.
1876 * NOTE: we NEED to store the needed number of needed inputs
1877 * here, not the number of provided elements to match keysize
1878 * (and the offset of sampler state in the key).
1880 key
->nr_vertex_elements
= llvm
->draw
->vs
.vertex_shader
->info
.file_max
[TGSI_FILE_INPUT
] + 1;
1881 assert(key
->nr_vertex_elements
<= llvm
->draw
->pt
.nr_vertex_elements
);
1883 /* will have to rig this up properly later */
1884 key
->clip_xy
= llvm
->draw
->clip_xy
;
1885 key
->clip_z
= llvm
->draw
->clip_z
;
1886 key
->clip_user
= llvm
->draw
->clip_user
;
1887 key
->bypass_viewport
= llvm
->draw
->bypass_viewport
;
1888 key
->clip_halfz
= llvm
->draw
->rasterizer
->clip_halfz
;
1889 /* XXX assumes edgeflag output not at 0 */
1890 key
->need_edgeflags
= (llvm
->draw
->vs
.edgeflag_output
? TRUE
: FALSE
);
1891 key
->ucp_enable
= llvm
->draw
->rasterizer
->clip_plane_enable
;
1892 key
->has_gs
= llvm
->draw
->gs
.geometry_shader
!= NULL
;
1893 key
->num_outputs
= draw_total_vs_outputs(llvm
->draw
);
1895 /* All variants of this shader will have the same value for
1896 * nr_samplers. Not yet trying to compact away holes in the
1899 key
->nr_samplers
= llvm
->draw
->vs
.vertex_shader
->info
.file_max
[TGSI_FILE_SAMPLER
] + 1;
1900 if (llvm
->draw
->vs
.vertex_shader
->info
.file_max
[TGSI_FILE_SAMPLER_VIEW
] != -1) {
1901 key
->nr_sampler_views
=
1902 llvm
->draw
->vs
.vertex_shader
->info
.file_max
[TGSI_FILE_SAMPLER_VIEW
] + 1;
1905 key
->nr_sampler_views
= key
->nr_samplers
;
1908 draw_sampler
= draw_llvm_variant_key_samplers(key
);
1910 memcpy(key
->vertex_element
,
1911 llvm
->draw
->pt
.vertex_element
,
1912 sizeof(struct pipe_vertex_element
) * key
->nr_vertex_elements
);
1914 memset(draw_sampler
, 0, MAX2(key
->nr_samplers
, key
->nr_sampler_views
) * sizeof *draw_sampler
);
1916 for (i
= 0 ; i
< key
->nr_samplers
; i
++) {
1917 lp_sampler_static_sampler_state(&draw_sampler
[i
].sampler_state
,
1918 llvm
->draw
->samplers
[PIPE_SHADER_VERTEX
][i
]);
1920 for (i
= 0 ; i
< key
->nr_sampler_views
; i
++) {
1921 lp_sampler_static_texture_state(&draw_sampler
[i
].texture_state
,
1922 llvm
->draw
->sampler_views
[PIPE_SHADER_VERTEX
][i
]);
1930 draw_llvm_dump_variant_key(struct draw_llvm_variant_key
*key
)
1933 struct draw_sampler_static_state
*sampler
= draw_llvm_variant_key_samplers(key
);
1935 debug_printf("clamp_vertex_color = %u\n", key
->clamp_vertex_color
);
1936 debug_printf("clip_xy = %u\n", key
->clip_xy
);
1937 debug_printf("clip_z = %u\n", key
->clip_z
);
1938 debug_printf("clip_user = %u\n", key
->clip_user
);
1939 debug_printf("bypass_viewport = %u\n", key
->bypass_viewport
);
1940 debug_printf("clip_halfz = %u\n", key
->clip_halfz
);
1941 debug_printf("need_edgeflags = %u\n", key
->need_edgeflags
);
1942 debug_printf("has_gs = %u\n", key
->has_gs
);
1943 debug_printf("ucp_enable = %u\n", key
->ucp_enable
);
1945 for (i
= 0 ; i
< key
->nr_vertex_elements
; i
++) {
1946 debug_printf("vertex_element[%i].src_offset = %u\n", i
, key
->vertex_element
[i
].src_offset
);
1947 debug_printf("vertex_element[%i].instance_divisor = %u\n", i
, key
->vertex_element
[i
].instance_divisor
);
1948 debug_printf("vertex_element[%i].vertex_buffer_index = %u\n", i
, key
->vertex_element
[i
].vertex_buffer_index
);
1949 debug_printf("vertex_element[%i].src_format = %s\n", i
, util_format_name(key
->vertex_element
[i
].src_format
));
1952 for (i
= 0 ; i
< key
->nr_sampler_views
; i
++) {
1953 debug_printf("sampler[%i].src_format = %s\n", i
, util_format_name(sampler
[i
].texture_state
.format
));
1959 draw_llvm_set_mapped_texture(struct draw_context
*draw
,
1960 unsigned shader_stage
,
1962 uint32_t width
, uint32_t height
, uint32_t depth
,
1963 uint32_t first_level
, uint32_t last_level
,
1964 const void *base_ptr
,
1965 uint32_t row_stride
[PIPE_MAX_TEXTURE_LEVELS
],
1966 uint32_t img_stride
[PIPE_MAX_TEXTURE_LEVELS
],
1967 uint32_t mip_offsets
[PIPE_MAX_TEXTURE_LEVELS
])
1970 struct draw_jit_texture
*jit_tex
;
1972 assert(shader_stage
== PIPE_SHADER_VERTEX
||
1973 shader_stage
== PIPE_SHADER_GEOMETRY
);
1975 if (shader_stage
== PIPE_SHADER_VERTEX
) {
1976 assert(sview_idx
< Elements(draw
->llvm
->jit_context
.textures
));
1978 jit_tex
= &draw
->llvm
->jit_context
.textures
[sview_idx
];
1979 } else if (shader_stage
== PIPE_SHADER_GEOMETRY
) {
1980 assert(sview_idx
< Elements(draw
->llvm
->gs_jit_context
.textures
));
1982 jit_tex
= &draw
->llvm
->gs_jit_context
.textures
[sview_idx
];
1988 jit_tex
->width
= width
;
1989 jit_tex
->height
= height
;
1990 jit_tex
->depth
= depth
;
1991 jit_tex
->first_level
= first_level
;
1992 jit_tex
->last_level
= last_level
;
1993 jit_tex
->base
= base_ptr
;
1995 for (j
= first_level
; j
<= last_level
; j
++) {
1996 jit_tex
->mip_offsets
[j
] = mip_offsets
[j
];
1997 jit_tex
->row_stride
[j
] = row_stride
[j
];
1998 jit_tex
->img_stride
[j
] = img_stride
[j
];
2004 draw_llvm_set_sampler_state(struct draw_context
*draw
,
2005 unsigned shader_type
)
2009 if (shader_type
== PIPE_SHADER_VERTEX
) {
2010 for (i
= 0; i
< draw
->num_samplers
[PIPE_SHADER_VERTEX
]; i
++) {
2011 struct draw_jit_sampler
*jit_sam
= &draw
->llvm
->jit_context
.samplers
[i
];
2013 if (draw
->samplers
[PIPE_SHADER_VERTEX
][i
]) {
2014 const struct pipe_sampler_state
*s
2015 = draw
->samplers
[PIPE_SHADER_VERTEX
][i
];
2016 jit_sam
->min_lod
= s
->min_lod
;
2017 jit_sam
->max_lod
= s
->max_lod
;
2018 jit_sam
->lod_bias
= s
->lod_bias
;
2019 COPY_4V(jit_sam
->border_color
, s
->border_color
.f
);
2022 } else if (shader_type
== PIPE_SHADER_GEOMETRY
) {
2023 for (i
= 0; i
< draw
->num_samplers
[PIPE_SHADER_GEOMETRY
]; i
++) {
2024 struct draw_jit_sampler
*jit_sam
= &draw
->llvm
->gs_jit_context
.samplers
[i
];
2026 if (draw
->samplers
[PIPE_SHADER_GEOMETRY
][i
]) {
2027 const struct pipe_sampler_state
*s
2028 = draw
->samplers
[PIPE_SHADER_GEOMETRY
][i
];
2029 jit_sam
->min_lod
= s
->min_lod
;
2030 jit_sam
->max_lod
= s
->max_lod
;
2031 jit_sam
->lod_bias
= s
->lod_bias
;
2032 COPY_4V(jit_sam
->border_color
, s
->border_color
.f
);
2040 draw_llvm_destroy_variant(struct draw_llvm_variant
*variant
)
2042 struct draw_llvm
*llvm
= variant
->llvm
;
2044 gallivm_destroy(variant
->gallivm
);
2046 remove_from_list(&variant
->list_item_local
);
2047 variant
->shader
->variants_cached
--;
2048 remove_from_list(&variant
->list_item_global
);
2049 llvm
->nr_variants
--;
2055 * Create LLVM types for various structures.
2058 create_gs_jit_types(struct draw_gs_llvm_variant
*var
)
2060 struct gallivm_state
*gallivm
= var
->gallivm
;
2061 LLVMTypeRef texture_type
, sampler_type
, context_type
;
2063 texture_type
= create_jit_texture_type(gallivm
, "texture");
2064 sampler_type
= create_jit_sampler_type(gallivm
, "sampler");
2066 context_type
= create_gs_jit_context_type(gallivm
,
2067 var
->shader
->base
.vector_length
,
2068 texture_type
, sampler_type
,
2069 "draw_gs_jit_context");
2070 var
->context_ptr_type
= LLVMPointerType(context_type
, 0);
2072 var
->input_array_type
= create_gs_jit_input_type(gallivm
);
2076 get_gs_context_ptr_type(struct draw_gs_llvm_variant
*variant
)
2078 if (!variant
->context_ptr_type
)
2079 create_gs_jit_types(variant
);
2080 return variant
->context_ptr_type
;
2084 generate_mask_value(struct draw_gs_llvm_variant
*variant
,
2085 struct lp_type gs_type
)
2087 struct gallivm_state
*gallivm
= variant
->gallivm
;
2088 LLVMBuilderRef builder
= gallivm
->builder
;
2089 struct lp_type mask_type
= lp_int_type(gs_type
);
2090 LLVMValueRef num_prims
;
2091 LLVMValueRef mask_val
= lp_build_const_vec(gallivm
, mask_type
, 0);
2094 num_prims
= lp_build_broadcast(gallivm
, lp_build_vec_type(gallivm
, mask_type
),
2095 variant
->num_prims
);
2096 for (i
= 0; i
< gs_type
.length
; i
++) {
2097 LLVMValueRef idx
= lp_build_const_int32(gallivm
, i
);
2098 mask_val
= LLVMBuildInsertElement(builder
, mask_val
, idx
, idx
, "");
2100 mask_val
= lp_build_compare(gallivm
, mask_type
,
2101 PIPE_FUNC_GREATER
, num_prims
, mask_val
);
2107 draw_gs_llvm_generate(struct draw_llvm
*llvm
,
2108 struct draw_gs_llvm_variant
*variant
)
2110 struct gallivm_state
*gallivm
= variant
->gallivm
;
2111 LLVMContextRef context
= gallivm
->context
;
2112 LLVMTypeRef int32_type
= LLVMInt32TypeInContext(context
);
2113 LLVMTypeRef arg_types
[7];
2114 LLVMTypeRef func_type
;
2115 LLVMValueRef variant_func
;
2116 LLVMValueRef context_ptr
;
2117 LLVMValueRef prim_id_ptr
;
2118 LLVMBasicBlockRef block
;
2119 LLVMBuilderRef builder
;
2120 LLVMValueRef io_ptr
, input_array
, num_prims
, mask_val
;
2121 struct lp_build_sampler_soa
*sampler
= 0;
2122 struct lp_build_context bld
;
2123 struct lp_bld_tgsi_system_values system_values
;
2125 struct lp_type gs_type
;
2127 struct draw_gs_llvm_iface gs_iface
;
2128 const struct tgsi_token
*tokens
= variant
->shader
->base
.state
.tokens
;
2129 LLVMValueRef consts_ptr
, num_consts_ptr
;
2130 LLVMValueRef outputs
[PIPE_MAX_SHADER_OUTPUTS
][TGSI_NUM_CHANNELS
];
2131 struct lp_build_mask_context mask
;
2132 const struct tgsi_shader_info
*gs_info
= &variant
->shader
->base
.info
;
2133 unsigned vector_length
= variant
->shader
->base
.vector_length
;
2135 memset(&system_values
, 0, sizeof(system_values
));
2137 util_snprintf(func_name
, sizeof(func_name
), "draw_llvm_gs_variant%u",
2138 variant
->shader
->variants_cached
);
2140 assert(variant
->vertex_header_ptr_type
);
2142 arg_types
[0] = get_gs_context_ptr_type(variant
); /* context */
2143 arg_types
[1] = variant
->input_array_type
; /* input */
2144 arg_types
[2] = variant
->vertex_header_ptr_type
; /* vertex_header */
2145 arg_types
[3] = int32_type
; /* num_prims */
2146 arg_types
[4] = int32_type
; /* instance_id */
2147 arg_types
[5] = LLVMPointerType(
2148 LLVMVectorType(int32_type
, vector_length
), 0); /* prim_id_ptr */
2149 arg_types
[6] = int32_type
;
2151 func_type
= LLVMFunctionType(int32_type
, arg_types
, Elements(arg_types
), 0);
2153 variant_func
= LLVMAddFunction(gallivm
->module
, func_name
, func_type
);
2155 variant
->function
= variant_func
;
2157 LLVMSetFunctionCallConv(variant_func
, LLVMCCallConv
);
2159 for (i
= 0; i
< Elements(arg_types
); ++i
)
2160 if (LLVMGetTypeKind(arg_types
[i
]) == LLVMPointerTypeKind
)
2161 LLVMAddAttribute(LLVMGetParam(variant_func
, i
),
2162 LLVMNoAliasAttribute
);
2164 context_ptr
= LLVMGetParam(variant_func
, 0);
2165 input_array
= LLVMGetParam(variant_func
, 1);
2166 io_ptr
= LLVMGetParam(variant_func
, 2);
2167 num_prims
= LLVMGetParam(variant_func
, 3);
2168 system_values
.instance_id
= LLVMGetParam(variant_func
, 4);
2169 prim_id_ptr
= LLVMGetParam(variant_func
, 5);
2170 system_values
.invocation_id
= LLVMGetParam(variant_func
, 6);
2172 lp_build_name(context_ptr
, "context");
2173 lp_build_name(input_array
, "input");
2174 lp_build_name(io_ptr
, "io");
2175 lp_build_name(num_prims
, "num_prims");
2176 lp_build_name(system_values
.instance_id
, "instance_id");
2177 lp_build_name(prim_id_ptr
, "prim_id_ptr");
2178 lp_build_name(system_values
.invocation_id
, "invocation_id");
2180 variant
->context_ptr
= context_ptr
;
2181 variant
->io_ptr
= io_ptr
;
2182 variant
->num_prims
= num_prims
;
2184 gs_iface
.base
.fetch_input
= draw_gs_llvm_fetch_input
;
2185 gs_iface
.base
.emit_vertex
= draw_gs_llvm_emit_vertex
;
2186 gs_iface
.base
.end_primitive
= draw_gs_llvm_end_primitive
;
2187 gs_iface
.base
.gs_epilogue
= draw_gs_llvm_epilogue
;
2188 gs_iface
.input
= input_array
;
2189 gs_iface
.variant
= variant
;
2195 block
= LLVMAppendBasicBlockInContext(gallivm
->context
, variant_func
, "entry");
2196 builder
= gallivm
->builder
;
2197 LLVMPositionBuilderAtEnd(builder
, block
);
2199 lp_build_context_init(&bld
, gallivm
, lp_type_int(32));
2201 memset(&gs_type
, 0, sizeof gs_type
);
2202 gs_type
.floating
= TRUE
; /* floating point values */
2203 gs_type
.sign
= TRUE
; /* values are signed */
2204 gs_type
.norm
= FALSE
; /* values are not limited to [0,1] or [-1,1] */
2205 gs_type
.width
= 32; /* 32-bit float */
2206 gs_type
.length
= vector_length
;
2208 consts_ptr
= draw_gs_jit_context_constants(variant
->gallivm
, context_ptr
);
2210 draw_gs_jit_context_num_constants(variant
->gallivm
, context_ptr
);
2212 /* code generated texture sampling */
2213 sampler
= draw_llvm_sampler_soa_create(variant
->key
.samplers
);
2215 mask_val
= generate_mask_value(variant
, gs_type
);
2216 lp_build_mask_begin(&mask
, gallivm
, gs_type
, mask_val
);
2218 if (gs_info
->uses_primid
) {
2219 system_values
.prim_id
= LLVMBuildLoad(builder
, prim_id_ptr
, "prim_id");
2222 if (gallivm_debug
& (GALLIVM_DEBUG_TGSI
| GALLIVM_DEBUG_IR
)) {
2223 tgsi_dump(tokens
, 0);
2224 draw_gs_llvm_dump_variant_key(&variant
->key
);
2227 lp_build_tgsi_soa(variant
->gallivm
,
2239 &llvm
->draw
->gs
.geometry_shader
->info
,
2240 (const struct lp_build_tgsi_gs_iface
*)&gs_iface
);
2242 sampler
->destroy(sampler
);
2244 lp_build_mask_end(&mask
);
2246 LLVMBuildRet(builder
, lp_build_zero(gallivm
, lp_type_uint(32)));
2248 gallivm_verify_function(gallivm
, variant_func
);
2252 struct draw_gs_llvm_variant
*
2253 draw_gs_llvm_create_variant(struct draw_llvm
*llvm
,
2254 unsigned num_outputs
,
2255 const struct draw_gs_llvm_variant_key
*key
)
2257 struct draw_gs_llvm_variant
*variant
;
2258 struct llvm_geometry_shader
*shader
=
2259 llvm_geometry_shader(llvm
->draw
->gs
.geometry_shader
);
2260 LLVMTypeRef vertex_header
;
2261 char module_name
[64];
2263 variant
= MALLOC(sizeof *variant
+
2264 shader
->variant_key_size
-
2265 sizeof variant
->key
);
2269 variant
->llvm
= llvm
;
2270 variant
->shader
= shader
;
2272 util_snprintf(module_name
, sizeof(module_name
), "draw_llvm_gs_variant%u",
2273 variant
->shader
->variants_cached
);
2275 variant
->gallivm
= gallivm_create(module_name
, llvm
->context
);
2277 create_gs_jit_types(variant
);
2279 memcpy(&variant
->key
, key
, shader
->variant_key_size
);
2281 vertex_header
= create_jit_vertex_header(variant
->gallivm
, num_outputs
);
2283 variant
->vertex_header_ptr_type
= LLVMPointerType(vertex_header
, 0);
2285 draw_gs_llvm_generate(llvm
, variant
);
2287 gallivm_compile_module(variant
->gallivm
);
2289 variant
->jit_func
= (draw_gs_jit_func
)
2290 gallivm_jit_function(variant
->gallivm
, variant
->function
);
2292 gallivm_free_ir(variant
->gallivm
);
2294 variant
->list_item_global
.base
= variant
;
2295 variant
->list_item_local
.base
= variant
;
2296 /*variant->no = */shader
->variants_created
++;
2297 variant
->list_item_global
.base
= variant
;
2303 draw_gs_llvm_destroy_variant(struct draw_gs_llvm_variant
*variant
)
2305 struct draw_llvm
*llvm
= variant
->llvm
;
2307 gallivm_destroy(variant
->gallivm
);
2309 remove_from_list(&variant
->list_item_local
);
2310 variant
->shader
->variants_cached
--;
2311 remove_from_list(&variant
->list_item_global
);
2312 llvm
->nr_gs_variants
--;
2316 struct draw_gs_llvm_variant_key
*
2317 draw_gs_llvm_make_variant_key(struct draw_llvm
*llvm
, char *store
)
2320 struct draw_gs_llvm_variant_key
*key
;
2321 struct draw_sampler_static_state
*draw_sampler
;
2323 key
= (struct draw_gs_llvm_variant_key
*)store
;
2325 memset(key
, 0, offsetof(struct draw_gs_llvm_variant_key
, samplers
[0]));
2327 key
->num_outputs
= draw_total_gs_outputs(llvm
->draw
);
2329 /* All variants of this shader will have the same value for
2330 * nr_samplers. Not yet trying to compact away holes in the
2333 key
->nr_samplers
= llvm
->draw
->gs
.geometry_shader
->info
.file_max
[TGSI_FILE_SAMPLER
] + 1;
2334 if (llvm
->draw
->gs
.geometry_shader
->info
.file_max
[TGSI_FILE_SAMPLER_VIEW
] != -1) {
2335 key
->nr_sampler_views
=
2336 llvm
->draw
->gs
.geometry_shader
->info
.file_max
[TGSI_FILE_SAMPLER_VIEW
] + 1;
2339 key
->nr_sampler_views
= key
->nr_samplers
;
2342 draw_sampler
= key
->samplers
;
2344 memset(draw_sampler
, 0, MAX2(key
->nr_samplers
, key
->nr_sampler_views
) * sizeof *draw_sampler
);
2346 for (i
= 0 ; i
< key
->nr_samplers
; i
++) {
2347 lp_sampler_static_sampler_state(&draw_sampler
[i
].sampler_state
,
2348 llvm
->draw
->samplers
[PIPE_SHADER_GEOMETRY
][i
]);
2350 for (i
= 0 ; i
< key
->nr_sampler_views
; i
++) {
2351 lp_sampler_static_texture_state(&draw_sampler
[i
].texture_state
,
2352 llvm
->draw
->sampler_views
[PIPE_SHADER_GEOMETRY
][i
]);
2359 draw_gs_llvm_dump_variant_key(struct draw_gs_llvm_variant_key
*key
)
2362 struct draw_sampler_static_state
*sampler
= key
->samplers
;
2364 for (i
= 0 ; i
< key
->nr_sampler_views
; i
++) {
2365 debug_printf("sampler[%i].src_format = %s\n", i
,
2366 util_format_name(sampler
[i
].texture_state
.format
));