2 * Copyright 2012 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
24 * Tom Stellard <thomas.stellard@amd.com>
25 * Michel Dänzer <michel.daenzer@amd.com>
26 * Christian König <christian.koenig@amd.com>
29 #include "gallivm/lp_bld_const.h"
30 #include "gallivm/lp_bld_gather.h"
31 #include "gallivm/lp_bld_intr.h"
32 #include "gallivm/lp_bld_logic.h"
33 #include "gallivm/lp_bld_arit.h"
34 #include "gallivm/lp_bld_flow.h"
35 #include "radeon/radeon_llvm.h"
36 #include "radeon/radeon_llvm_emit.h"
37 #include "util/u_memory.h"
38 #include "tgsi/tgsi_parse.h"
39 #include "tgsi/tgsi_util.h"
40 #include "tgsi/tgsi_dump.h"
43 #include "si_shader.h"
48 struct si_shader_output_values
50 LLVMValueRef values
[4];
55 struct si_shader_context
57 struct radeon_llvm_context radeon_bld
;
58 struct tgsi_parse_context parse
;
59 struct tgsi_token
* tokens
;
60 struct si_shader
*shader
;
61 unsigned type
; /* TGSI_PROCESSOR_* specifies the type of shader. */
62 int param_streamout_config
;
63 int param_streamout_write_index
;
64 int param_streamout_offset
[4];
66 int param_instance_id
;
67 LLVMValueRef const_md
;
68 LLVMValueRef const_resource
[SI_NUM_CONST_BUFFERS
];
69 LLVMValueRef ddxy_lds
;
70 LLVMValueRef
*constants
[SI_NUM_CONST_BUFFERS
];
71 LLVMValueRef
*resources
;
72 LLVMValueRef
*samplers
;
73 LLVMValueRef so_buffers
[4];
74 LLVMValueRef gs_next_vertex
;
77 static struct si_shader_context
* si_shader_context(
78 struct lp_build_tgsi_context
* bld_base
)
80 return (struct si_shader_context
*)bld_base
;
84 #define PERSPECTIVE_BASE 0
87 #define SAMPLE_OFFSET 0
88 #define CENTER_OFFSET 2
89 #define CENTROID_OFSET 4
91 #define USE_SGPR_MAX_SUFFIX_LEN 5
92 #define CONST_ADDR_SPACE 2
93 #define LOCAL_ADDR_SPACE 3
94 #define USER_SGPR_ADDR_SPACE 8
98 #define SENDMSG_GS_DONE 3
100 #define SENDMSG_GS_OP_NOP (0 << 4)
101 #define SENDMSG_GS_OP_CUT (1 << 4)
102 #define SENDMSG_GS_OP_EMIT (2 << 4)
103 #define SENDMSG_GS_OP_EMIT_CUT (3 << 4)
106 * Returns a unique index for a semantic name and index. The index must be
107 * less than 64, so that a 64-bit bitmask of used inputs or outputs can be
110 unsigned si_shader_io_get_unique_index(unsigned semantic_name
, unsigned index
)
112 switch (semantic_name
) {
113 case TGSI_SEMANTIC_POSITION
:
115 case TGSI_SEMANTIC_PSIZE
:
117 case TGSI_SEMANTIC_CLIPDIST
:
120 case TGSI_SEMANTIC_CLIPVERTEX
:
122 case TGSI_SEMANTIC_COLOR
:
125 case TGSI_SEMANTIC_BCOLOR
:
128 case TGSI_SEMANTIC_FOG
:
130 case TGSI_SEMANTIC_EDGEFLAG
:
132 case TGSI_SEMANTIC_GENERIC
:
133 assert(index
<= 63-11);
142 * Given a semantic name and index of a parameter and a mask of used parameters
143 * (inputs or outputs), return the index of the parameter in the list of all
146 * For example, assume this list of parameters:
147 * POSITION, PSIZE, GENERIC0, GENERIC2
148 * which has the mask:
151 * querying POSITION returns 0,
152 * querying PSIZE returns 1,
153 * querying GENERIC0 returns 2,
154 * querying GENERIC2 returns 3.
156 * Which can be used as an offset to a parameter buffer in units of vec4s.
158 static int get_param_index(unsigned semantic_name
, unsigned index
,
161 unsigned unique_index
= si_shader_io_get_unique_index(semantic_name
, index
);
162 int i
, param_index
= 0;
164 /* If not present... */
165 if (!((1llu << unique_index
) & mask
))
168 for (i
= 0; mask
; i
++) {
169 uint64_t bit
= 1llu << i
;
172 if (i
== unique_index
)
180 assert(!"unreachable");
185 * Build an LLVM bytecode indexed load using LLVMBuildGEP + LLVMBuildLoad
187 * @param offset The offset parameter specifies the number of
188 * elements to offset, not the number of bytes or dwords. An element is the
189 * the type pointed to by the base_ptr parameter (e.g. int is the element of
192 * When LLVM lowers the load instruction, it will convert the element offset
193 * into a dword offset automatically.
196 static LLVMValueRef
build_indexed_load(
197 struct si_shader_context
* si_shader_ctx
,
198 LLVMValueRef base_ptr
,
201 struct lp_build_context
* base
= &si_shader_ctx
->radeon_bld
.soa
.bld_base
.base
;
203 LLVMValueRef indices
[2] = {
204 LLVMConstInt(LLVMInt64TypeInContext(base
->gallivm
->context
), 0, false),
207 LLVMValueRef computed_ptr
= LLVMBuildGEP(
208 base
->gallivm
->builder
, base_ptr
, indices
, 2, "");
210 LLVMValueRef result
= LLVMBuildLoad(base
->gallivm
->builder
, computed_ptr
, "");
211 LLVMSetMetadata(result
, 1, si_shader_ctx
->const_md
);
215 static LLVMValueRef
get_instance_index_for_fetch(
216 struct radeon_llvm_context
* radeon_bld
,
219 struct si_shader_context
*si_shader_ctx
=
220 si_shader_context(&radeon_bld
->soa
.bld_base
);
221 struct gallivm_state
* gallivm
= radeon_bld
->soa
.bld_base
.base
.gallivm
;
223 LLVMValueRef result
= LLVMGetParam(radeon_bld
->main_fn
,
224 si_shader_ctx
->param_instance_id
);
225 result
= LLVMBuildAdd(gallivm
->builder
, result
, LLVMGetParam(
226 radeon_bld
->main_fn
, SI_PARAM_START_INSTANCE
), "");
229 result
= LLVMBuildUDiv(gallivm
->builder
, result
,
230 lp_build_const_int32(gallivm
, divisor
), "");
235 static void declare_input_vs(
236 struct radeon_llvm_context
*radeon_bld
,
237 unsigned input_index
,
238 const struct tgsi_full_declaration
*decl
)
240 struct lp_build_context
*base
= &radeon_bld
->soa
.bld_base
.base
;
241 struct gallivm_state
*gallivm
= base
->gallivm
;
242 struct si_shader_context
*si_shader_ctx
=
243 si_shader_context(&radeon_bld
->soa
.bld_base
);
244 unsigned divisor
= si_shader_ctx
->shader
->key
.vs
.instance_divisors
[input_index
];
248 LLVMValueRef t_list_ptr
;
249 LLVMValueRef t_offset
;
251 LLVMValueRef attribute_offset
;
252 LLVMValueRef buffer_index
;
253 LLVMValueRef args
[3];
254 LLVMTypeRef vec4_type
;
257 /* Load the T list */
258 t_list_ptr
= LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
, SI_PARAM_VERTEX_BUFFER
);
260 t_offset
= lp_build_const_int32(gallivm
, input_index
);
262 t_list
= build_indexed_load(si_shader_ctx
, t_list_ptr
, t_offset
);
264 /* Build the attribute offset */
265 attribute_offset
= lp_build_const_int32(gallivm
, 0);
268 /* Build index from instance ID, start instance and divisor */
269 si_shader_ctx
->shader
->uses_instanceid
= true;
270 buffer_index
= get_instance_index_for_fetch(&si_shader_ctx
->radeon_bld
, divisor
);
272 /* Load the buffer index for vertices. */
273 LLVMValueRef vertex_id
= LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
,
274 si_shader_ctx
->param_vertex_id
);
275 LLVMValueRef base_vertex
= LLVMGetParam(radeon_bld
->main_fn
,
276 SI_PARAM_BASE_VERTEX
);
277 buffer_index
= LLVMBuildAdd(gallivm
->builder
, base_vertex
, vertex_id
, "");
280 vec4_type
= LLVMVectorType(base
->elem_type
, 4);
282 args
[1] = attribute_offset
;
283 args
[2] = buffer_index
;
284 input
= build_intrinsic(gallivm
->builder
,
285 "llvm.SI.vs.load.input", vec4_type
, args
, 3,
286 LLVMReadNoneAttribute
| LLVMNoUnwindAttribute
);
288 /* Break up the vec4 into individual components */
289 for (chan
= 0; chan
< 4; chan
++) {
290 LLVMValueRef llvm_chan
= lp_build_const_int32(gallivm
, chan
);
291 /* XXX: Use a helper function for this. There is one in
293 si_shader_ctx
->radeon_bld
.inputs
[radeon_llvm_reg_index_soa(input_index
, chan
)] =
294 LLVMBuildExtractElement(gallivm
->builder
,
295 input
, llvm_chan
, "");
299 static LLVMValueRef
fetch_input_gs(
300 struct lp_build_tgsi_context
*bld_base
,
301 const struct tgsi_full_src_register
*reg
,
302 enum tgsi_opcode_type type
,
305 struct lp_build_context
*base
= &bld_base
->base
;
306 struct si_shader_context
*si_shader_ctx
= si_shader_context(bld_base
);
307 struct si_shader
*shader
= si_shader_ctx
->shader
;
308 struct lp_build_context
*uint
= &si_shader_ctx
->radeon_bld
.soa
.bld_base
.uint_bld
;
309 struct gallivm_state
*gallivm
= base
->gallivm
;
310 LLVMTypeRef i32
= LLVMInt32TypeInContext(gallivm
->context
);
311 LLVMValueRef vtx_offset
;
312 LLVMValueRef t_list_ptr
;
314 LLVMValueRef args
[9];
315 unsigned vtx_offset_param
;
316 struct tgsi_shader_info
*info
= &shader
->selector
->info
;
317 unsigned semantic_name
= info
->input_semantic_name
[reg
->Register
.Index
];
318 unsigned semantic_index
= info
->input_semantic_index
[reg
->Register
.Index
];
320 if (swizzle
!= ~0 && semantic_name
== TGSI_SEMANTIC_PRIMID
) {
322 return LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
,
323 SI_PARAM_PRIMITIVE_ID
);
328 if (!reg
->Register
.Dimension
)
332 LLVMValueRef values
[TGSI_NUM_CHANNELS
];
334 for (chan
= 0; chan
< TGSI_NUM_CHANNELS
; chan
++) {
335 values
[chan
] = fetch_input_gs(bld_base
, reg
, type
, chan
);
337 return lp_build_gather_values(bld_base
->base
.gallivm
, values
,
341 /* Get the vertex offset parameter */
342 vtx_offset_param
= reg
->Dimension
.Index
;
343 if (vtx_offset_param
< 2) {
344 vtx_offset_param
+= SI_PARAM_VTX0_OFFSET
;
346 assert(vtx_offset_param
< 6);
347 vtx_offset_param
+= SI_PARAM_VTX2_OFFSET
- 2;
349 vtx_offset
= lp_build_mul_imm(uint
,
350 LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
,
354 /* Load the ESGS ring resource descriptor */
355 t_list_ptr
= LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
,
356 SI_PARAM_RW_BUFFERS
);
357 t_list
= build_indexed_load(si_shader_ctx
, t_list_ptr
,
358 lp_build_const_int32(gallivm
, SI_RING_ESGS
));
361 args
[1] = vtx_offset
;
362 args
[2] = lp_build_const_int32(gallivm
,
363 (get_param_index(semantic_name
, semantic_index
,
364 shader
->selector
->gs_used_inputs
) * 4 +
366 args
[3] = uint
->zero
;
367 args
[4] = uint
->one
; /* OFFEN */
368 args
[5] = uint
->zero
; /* IDXEN */
369 args
[6] = uint
->one
; /* GLC */
370 args
[7] = uint
->zero
; /* SLC */
371 args
[8] = uint
->zero
; /* TFE */
373 return LLVMBuildBitCast(gallivm
->builder
,
374 build_intrinsic(gallivm
->builder
,
375 "llvm.SI.buffer.load.dword.i32.i32",
377 LLVMReadOnlyAttribute
| LLVMNoUnwindAttribute
),
378 tgsi2llvmtype(bld_base
, type
), "");
381 static void declare_input_fs(
382 struct radeon_llvm_context
*radeon_bld
,
383 unsigned input_index
,
384 const struct tgsi_full_declaration
*decl
)
386 struct lp_build_context
*base
= &radeon_bld
->soa
.bld_base
.base
;
387 struct si_shader_context
*si_shader_ctx
=
388 si_shader_context(&radeon_bld
->soa
.bld_base
);
389 struct si_shader
*shader
= si_shader_ctx
->shader
;
390 struct lp_build_context
*uint
= &radeon_bld
->soa
.bld_base
.uint_bld
;
391 struct gallivm_state
*gallivm
= base
->gallivm
;
392 LLVMTypeRef input_type
= LLVMFloatTypeInContext(gallivm
->context
);
393 LLVMValueRef main_fn
= radeon_bld
->main_fn
;
395 LLVMValueRef interp_param
;
396 const char * intr_name
;
399 * [15:0] NewPrimMask (Bit mask for each quad. It is set it the
400 * quad begins a new primitive. Bit 0 always needs
402 * [32:16] ParamOffset
405 LLVMValueRef params
= LLVMGetParam(main_fn
, SI_PARAM_PRIM_MASK
);
406 LLVMValueRef attr_number
;
410 if (decl
->Semantic
.Name
== TGSI_SEMANTIC_POSITION
) {
411 for (chan
= 0; chan
< TGSI_NUM_CHANNELS
; chan
++) {
413 radeon_llvm_reg_index_soa(input_index
, chan
);
414 radeon_bld
->inputs
[soa_index
] =
415 LLVMGetParam(main_fn
, SI_PARAM_POS_X_FLOAT
+ chan
);
418 /* RCP for fragcoord.w */
419 radeon_bld
->inputs
[soa_index
] =
420 LLVMBuildFDiv(gallivm
->builder
,
421 lp_build_const_float(gallivm
, 1.0f
),
422 radeon_bld
->inputs
[soa_index
],
428 if (decl
->Semantic
.Name
== TGSI_SEMANTIC_FACE
) {
429 LLVMValueRef face
, is_face_positive
;
431 face
= LLVMGetParam(main_fn
, SI_PARAM_FRONT_FACE
);
433 is_face_positive
= LLVMBuildFCmp(gallivm
->builder
,
435 lp_build_const_float(gallivm
, 0.0f
),
438 radeon_bld
->inputs
[radeon_llvm_reg_index_soa(input_index
, 0)] =
439 LLVMBuildSelect(gallivm
->builder
,
441 lp_build_const_float(gallivm
, 1.0f
),
442 lp_build_const_float(gallivm
, 0.0f
),
444 radeon_bld
->inputs
[radeon_llvm_reg_index_soa(input_index
, 1)] =
445 radeon_bld
->inputs
[radeon_llvm_reg_index_soa(input_index
, 2)] =
446 lp_build_const_float(gallivm
, 0.0f
);
447 radeon_bld
->inputs
[radeon_llvm_reg_index_soa(input_index
, 3)] =
448 lp_build_const_float(gallivm
, 1.0f
);
453 shader
->ps_input_param_offset
[input_index
] = shader
->nparam
++;
454 attr_number
= lp_build_const_int32(gallivm
,
455 shader
->ps_input_param_offset
[input_index
]);
457 switch (decl
->Interp
.Interpolate
) {
458 case TGSI_INTERPOLATE_CONSTANT
:
461 case TGSI_INTERPOLATE_LINEAR
:
462 if (decl
->Interp
.Location
== TGSI_INTERPOLATE_LOC_SAMPLE
)
463 interp_param
= LLVMGetParam(main_fn
, SI_PARAM_LINEAR_SAMPLE
);
464 else if (decl
->Interp
.Location
== TGSI_INTERPOLATE_LOC_CENTROID
)
465 interp_param
= LLVMGetParam(main_fn
, SI_PARAM_LINEAR_CENTROID
);
467 interp_param
= LLVMGetParam(main_fn
, SI_PARAM_LINEAR_CENTER
);
469 case TGSI_INTERPOLATE_COLOR
:
470 if (si_shader_ctx
->shader
->key
.ps
.flatshade
) {
474 /* fall through to perspective */
475 case TGSI_INTERPOLATE_PERSPECTIVE
:
476 if (decl
->Interp
.Location
== TGSI_INTERPOLATE_LOC_SAMPLE
)
477 interp_param
= LLVMGetParam(main_fn
, SI_PARAM_PERSP_SAMPLE
);
478 else if (decl
->Interp
.Location
== TGSI_INTERPOLATE_LOC_CENTROID
)
479 interp_param
= LLVMGetParam(main_fn
, SI_PARAM_PERSP_CENTROID
);
481 interp_param
= LLVMGetParam(main_fn
, SI_PARAM_PERSP_CENTER
);
484 fprintf(stderr
, "Warning: Unhandled interpolation mode.\n");
488 intr_name
= interp_param
? "llvm.SI.fs.interp" : "llvm.SI.fs.constant";
490 /* XXX: Could there be more than TGSI_NUM_CHANNELS (4) ? */
491 if (decl
->Semantic
.Name
== TGSI_SEMANTIC_COLOR
&&
492 si_shader_ctx
->shader
->key
.ps
.color_two_side
) {
493 LLVMValueRef args
[4];
494 LLVMValueRef face
, is_face_positive
;
495 LLVMValueRef back_attr_number
=
496 lp_build_const_int32(gallivm
,
497 shader
->ps_input_param_offset
[input_index
] + 1);
499 face
= LLVMGetParam(main_fn
, SI_PARAM_FRONT_FACE
);
501 is_face_positive
= LLVMBuildFCmp(gallivm
->builder
,
503 lp_build_const_float(gallivm
, 0.0f
),
507 args
[3] = interp_param
;
508 for (chan
= 0; chan
< TGSI_NUM_CHANNELS
; chan
++) {
509 LLVMValueRef llvm_chan
= lp_build_const_int32(gallivm
, chan
);
510 unsigned soa_index
= radeon_llvm_reg_index_soa(input_index
, chan
);
511 LLVMValueRef front
, back
;
514 args
[1] = attr_number
;
515 front
= build_intrinsic(gallivm
->builder
, intr_name
,
516 input_type
, args
, args
[3] ? 4 : 3,
517 LLVMReadNoneAttribute
| LLVMNoUnwindAttribute
);
519 args
[1] = back_attr_number
;
520 back
= build_intrinsic(gallivm
->builder
, intr_name
,
521 input_type
, args
, args
[3] ? 4 : 3,
522 LLVMReadNoneAttribute
| LLVMNoUnwindAttribute
);
524 radeon_bld
->inputs
[soa_index
] =
525 LLVMBuildSelect(gallivm
->builder
,
533 } else if (decl
->Semantic
.Name
== TGSI_SEMANTIC_FOG
) {
534 LLVMValueRef args
[4];
536 args
[0] = uint
->zero
;
537 args
[1] = attr_number
;
539 args
[3] = interp_param
;
540 radeon_bld
->inputs
[radeon_llvm_reg_index_soa(input_index
, 0)] =
541 build_intrinsic(gallivm
->builder
, intr_name
,
542 input_type
, args
, args
[3] ? 4 : 3,
543 LLVMReadNoneAttribute
| LLVMNoUnwindAttribute
);
544 radeon_bld
->inputs
[radeon_llvm_reg_index_soa(input_index
, 1)] =
545 radeon_bld
->inputs
[radeon_llvm_reg_index_soa(input_index
, 2)] =
546 lp_build_const_float(gallivm
, 0.0f
);
547 radeon_bld
->inputs
[radeon_llvm_reg_index_soa(input_index
, 3)] =
548 lp_build_const_float(gallivm
, 1.0f
);
550 for (chan
= 0; chan
< TGSI_NUM_CHANNELS
; chan
++) {
551 LLVMValueRef args
[4];
552 LLVMValueRef llvm_chan
= lp_build_const_int32(gallivm
, chan
);
553 unsigned soa_index
= radeon_llvm_reg_index_soa(input_index
, chan
);
555 args
[1] = attr_number
;
557 args
[3] = interp_param
;
558 radeon_bld
->inputs
[soa_index
] =
559 build_intrinsic(gallivm
->builder
, intr_name
,
560 input_type
, args
, args
[3] ? 4 : 3,
561 LLVMReadNoneAttribute
| LLVMNoUnwindAttribute
);
566 static LLVMValueRef
get_sample_id(struct radeon_llvm_context
*radeon_bld
)
568 struct gallivm_state
*gallivm
= &radeon_bld
->gallivm
;
569 LLVMValueRef value
= LLVMGetParam(radeon_bld
->main_fn
,
571 value
= LLVMBuildLShr(gallivm
->builder
, value
,
572 lp_build_const_int32(gallivm
, 8), "");
573 value
= LLVMBuildAnd(gallivm
->builder
, value
,
574 lp_build_const_int32(gallivm
, 0xf), "");
578 static LLVMValueRef
load_const(LLVMBuilderRef builder
, LLVMValueRef resource
,
579 LLVMValueRef offset
, LLVMTypeRef return_type
)
581 LLVMValueRef args
[2] = {resource
, offset
};
583 return build_intrinsic(builder
, "llvm.SI.load.const", return_type
, args
, 2,
584 LLVMReadNoneAttribute
| LLVMNoUnwindAttribute
);
587 static void declare_system_value(
588 struct radeon_llvm_context
* radeon_bld
,
590 const struct tgsi_full_declaration
*decl
)
592 struct si_shader_context
*si_shader_ctx
=
593 si_shader_context(&radeon_bld
->soa
.bld_base
);
594 struct lp_build_context
*uint_bld
= &radeon_bld
->soa
.bld_base
.uint_bld
;
595 struct gallivm_state
*gallivm
= &radeon_bld
->gallivm
;
596 LLVMValueRef value
= 0;
598 switch (decl
->Semantic
.Name
) {
599 case TGSI_SEMANTIC_INSTANCEID
:
600 value
= LLVMGetParam(radeon_bld
->main_fn
,
601 si_shader_ctx
->param_instance_id
);
604 case TGSI_SEMANTIC_VERTEXID
:
605 value
= LLVMGetParam(radeon_bld
->main_fn
,
606 si_shader_ctx
->param_vertex_id
);
609 case TGSI_SEMANTIC_SAMPLEID
:
610 value
= get_sample_id(radeon_bld
);
613 case TGSI_SEMANTIC_SAMPLEPOS
:
615 LLVMBuilderRef builder
= gallivm
->builder
;
616 LLVMValueRef desc
= LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
, SI_PARAM_CONST
);
617 LLVMValueRef buf_index
= lp_build_const_int32(gallivm
, SI_DRIVER_STATE_CONST_BUF
);
618 LLVMValueRef resource
= build_indexed_load(si_shader_ctx
, desc
, buf_index
);
620 /* offset = sample_id * 8 (8 = 2 floats containing samplepos.xy) */
621 LLVMValueRef offset0
= lp_build_mul_imm(uint_bld
, get_sample_id(radeon_bld
), 8);
622 LLVMValueRef offset1
= LLVMBuildAdd(builder
, offset0
, lp_build_const_int32(gallivm
, 4), "");
624 LLVMValueRef pos
[4] = {
625 load_const(builder
, resource
, offset0
, radeon_bld
->soa
.bld_base
.base
.elem_type
),
626 load_const(builder
, resource
, offset1
, radeon_bld
->soa
.bld_base
.base
.elem_type
),
627 lp_build_const_float(gallivm
, 0),
628 lp_build_const_float(gallivm
, 0)
630 value
= lp_build_gather_values(gallivm
, pos
, 4);
635 assert(!"unknown system value");
639 radeon_bld
->system_values
[index
] = value
;
642 static LLVMValueRef
fetch_constant(
643 struct lp_build_tgsi_context
* bld_base
,
644 const struct tgsi_full_src_register
*reg
,
645 enum tgsi_opcode_type type
,
648 struct si_shader_context
*si_shader_ctx
= si_shader_context(bld_base
);
649 struct lp_build_context
* base
= &bld_base
->base
;
650 const struct tgsi_ind_register
*ireg
= ®
->Indirect
;
656 if (swizzle
== LP_CHAN_ALL
) {
658 LLVMValueRef values
[4];
659 for (chan
= 0; chan
< TGSI_NUM_CHANNELS
; ++chan
)
660 values
[chan
] = fetch_constant(bld_base
, reg
, type
, chan
);
662 return lp_build_gather_values(bld_base
->base
.gallivm
, values
, 4);
665 buf
= reg
->Register
.Dimension
? reg
->Dimension
.Index
: 0;
666 idx
= reg
->Register
.Index
* 4 + swizzle
;
668 if (!reg
->Register
.Indirect
)
669 return bitcast(bld_base
, type
, si_shader_ctx
->constants
[buf
][idx
]);
671 addr
= si_shader_ctx
->radeon_bld
.soa
.addr
[ireg
->Index
][ireg
->Swizzle
];
672 addr
= LLVMBuildLoad(base
->gallivm
->builder
, addr
, "load addr reg");
673 addr
= lp_build_mul_imm(&bld_base
->uint_bld
, addr
, 16);
674 addr
= lp_build_add(&bld_base
->uint_bld
, addr
,
675 lp_build_const_int32(base
->gallivm
, idx
* 4));
677 result
= load_const(base
->gallivm
->builder
, si_shader_ctx
->const_resource
[buf
],
678 addr
, base
->elem_type
);
680 return bitcast(bld_base
, type
, result
);
683 /* Initialize arguments for the shader export intrinsic */
684 static void si_llvm_init_export_args(struct lp_build_tgsi_context
*bld_base
,
685 LLVMValueRef
*values
,
689 struct si_shader_context
*si_shader_ctx
= si_shader_context(bld_base
);
690 struct lp_build_context
*uint
=
691 &si_shader_ctx
->radeon_bld
.soa
.bld_base
.uint_bld
;
692 struct lp_build_context
*base
= &bld_base
->base
;
693 unsigned compressed
= 0;
696 if (si_shader_ctx
->type
== TGSI_PROCESSOR_FRAGMENT
) {
697 int cbuf
= target
- V_008DFC_SQ_EXP_MRT
;
699 if (cbuf
>= 0 && cbuf
< 8) {
700 compressed
= (si_shader_ctx
->shader
->key
.ps
.export_16bpc
>> cbuf
) & 0x1;
703 si_shader_ctx
->shader
->spi_shader_col_format
|=
704 V_028714_SPI_SHADER_FP16_ABGR
<< (4 * cbuf
);
706 si_shader_ctx
->shader
->spi_shader_col_format
|=
707 V_028714_SPI_SHADER_32_ABGR
<< (4 * cbuf
);
709 si_shader_ctx
->shader
->cb_shader_mask
|= 0xf << (4 * cbuf
);
714 /* Pixel shader needs to pack output values before export */
715 for (chan
= 0; chan
< 2; chan
++ ) {
716 args
[0] = values
[2 * chan
];
717 args
[1] = values
[2 * chan
+ 1];
719 build_intrinsic(base
->gallivm
->builder
,
721 LLVMInt32TypeInContext(base
->gallivm
->context
),
723 LLVMReadNoneAttribute
| LLVMNoUnwindAttribute
);
724 args
[chan
+ 7] = args
[chan
+ 5] =
725 LLVMBuildBitCast(base
->gallivm
->builder
,
727 LLVMFloatTypeInContext(base
->gallivm
->context
),
734 for (chan
= 0; chan
< 4; chan
++ )
735 /* +5 because the first output value will be
736 * the 6th argument to the intrinsic. */
737 args
[chan
+ 5] = values
[chan
];
739 /* Clear COMPR flag */
740 args
[4] = uint
->zero
;
743 /* XXX: This controls which components of the output
744 * registers actually get exported. (e.g bit 0 means export
745 * X component, bit 1 means export Y component, etc.) I'm
746 * hard coding this to 0xf for now. In the future, we might
747 * want to do something else. */
748 args
[0] = lp_build_const_int32(base
->gallivm
, 0xf);
750 /* Specify whether the EXEC mask represents the valid mask */
751 args
[1] = uint
->zero
;
753 /* Specify whether this is the last export */
754 args
[2] = uint
->zero
;
756 /* Specify the target we are exporting */
757 args
[3] = lp_build_const_int32(base
->gallivm
, target
);
759 /* XXX: We probably need to keep track of the output
760 * values, so we know what we are passing to the next
764 /* Load from output pointers and initialize arguments for the shader export intrinsic */
765 static void si_llvm_init_export_args_load(struct lp_build_tgsi_context
*bld_base
,
766 LLVMValueRef
*out_ptr
,
770 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
771 LLVMValueRef values
[4];
774 for (i
= 0; i
< 4; i
++)
775 values
[i
] = LLVMBuildLoad(gallivm
->builder
, out_ptr
[i
], "");
777 si_llvm_init_export_args(bld_base
, values
, target
, args
);
780 static void si_alpha_test(struct lp_build_tgsi_context
*bld_base
,
781 LLVMValueRef
*out_ptr
)
783 struct si_shader_context
*si_shader_ctx
= si_shader_context(bld_base
);
784 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
786 if (si_shader_ctx
->shader
->key
.ps
.alpha_func
!= PIPE_FUNC_NEVER
) {
787 LLVMValueRef alpha_ref
= LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
,
790 LLVMValueRef alpha_pass
=
791 lp_build_cmp(&bld_base
->base
,
792 si_shader_ctx
->shader
->key
.ps
.alpha_func
,
793 LLVMBuildLoad(gallivm
->builder
, out_ptr
[3], ""),
796 lp_build_select(&bld_base
->base
,
798 lp_build_const_float(gallivm
, 1.0f
),
799 lp_build_const_float(gallivm
, -1.0f
));
801 build_intrinsic(gallivm
->builder
,
803 LLVMVoidTypeInContext(gallivm
->context
),
806 build_intrinsic(gallivm
->builder
,
808 LLVMVoidTypeInContext(gallivm
->context
),
812 si_shader_ctx
->shader
->db_shader_control
|= S_02880C_KILL_ENABLE(1);
815 static void si_llvm_emit_clipvertex(struct lp_build_tgsi_context
* bld_base
,
816 LLVMValueRef (*pos
)[9], LLVMValueRef
*out_elts
)
818 struct si_shader_context
*si_shader_ctx
= si_shader_context(bld_base
);
819 struct si_shader
*shader
= si_shader_ctx
->shader
;
820 struct lp_build_context
*base
= &bld_base
->base
;
821 struct lp_build_context
*uint
= &si_shader_ctx
->radeon_bld
.soa
.bld_base
.uint_bld
;
825 LLVMValueRef base_elt
;
826 LLVMValueRef ptr
= LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
, SI_PARAM_CONST
);
827 LLVMValueRef constbuf_index
= lp_build_const_int32(base
->gallivm
, SI_DRIVER_STATE_CONST_BUF
);
828 LLVMValueRef const_resource
= build_indexed_load(si_shader_ctx
, ptr
, constbuf_index
);
830 for (reg_index
= 0; reg_index
< 2; reg_index
++) {
831 LLVMValueRef
*args
= pos
[2 + reg_index
];
833 shader
->clip_dist_write
|= 0xf << (4 * reg_index
);
838 args
[8] = lp_build_const_float(base
->gallivm
, 0.0f
);
840 /* Compute dot products of position and user clip plane vectors */
841 for (chan
= 0; chan
< TGSI_NUM_CHANNELS
; chan
++) {
842 for (const_chan
= 0; const_chan
< TGSI_NUM_CHANNELS
; const_chan
++) {
843 args
[1] = lp_build_const_int32(base
->gallivm
,
844 ((reg_index
* 4 + chan
) * 4 +
846 base_elt
= load_const(base
->gallivm
->builder
, const_resource
,
847 args
[1], base
->elem_type
);
849 lp_build_add(base
, args
[5 + chan
],
850 lp_build_mul(base
, base_elt
,
851 out_elts
[const_chan
]));
855 args
[0] = lp_build_const_int32(base
->gallivm
, 0xf);
856 args
[1] = uint
->zero
;
857 args
[2] = uint
->zero
;
858 args
[3] = lp_build_const_int32(base
->gallivm
,
859 V_008DFC_SQ_EXP_POS
+ 2 + reg_index
);
860 args
[4] = uint
->zero
;
864 static void si_dump_streamout(struct pipe_stream_output_info
*so
)
869 fprintf(stderr
, "STREAMOUT\n");
871 for (i
= 0; i
< so
->num_outputs
; i
++) {
872 unsigned mask
= ((1 << so
->output
[i
].num_components
) - 1) <<
873 so
->output
[i
].start_component
;
874 fprintf(stderr
, " %i: BUF%i[%i..%i] <- OUT[%i].%s%s%s%s\n",
875 i
, so
->output
[i
].output_buffer
,
876 so
->output
[i
].dst_offset
, so
->output
[i
].dst_offset
+ so
->output
[i
].num_components
- 1,
877 so
->output
[i
].register_index
,
881 mask
& 8 ? "w" : "");
885 /* TBUFFER_STORE_FORMAT_{X,XY,XYZ,XYZW} <- the suffix is selected by num_channels=1..4.
886 * The type of vdata must be one of i32 (num_channels=1), v2i32 (num_channels=2),
887 * or v4i32 (num_channels=3,4). */
888 static void build_tbuffer_store(struct si_shader_context
*shader
,
891 unsigned num_channels
,
893 LLVMValueRef soffset
,
894 unsigned inst_offset
,
903 struct gallivm_state
*gallivm
= &shader
->radeon_bld
.gallivm
;
904 LLVMTypeRef i32
= LLVMInt32TypeInContext(gallivm
->context
);
905 LLVMValueRef args
[] = {
908 LLVMConstInt(i32
, num_channels
, 0),
911 LLVMConstInt(i32
, inst_offset
, 0),
912 LLVMConstInt(i32
, dfmt
, 0),
913 LLVMConstInt(i32
, nfmt
, 0),
914 LLVMConstInt(i32
, offen
, 0),
915 LLVMConstInt(i32
, idxen
, 0),
916 LLVMConstInt(i32
, glc
, 0),
917 LLVMConstInt(i32
, slc
, 0),
918 LLVMConstInt(i32
, tfe
, 0)
921 /* The instruction offset field has 12 bits */
922 assert(offen
|| inst_offset
< (1 << 12));
924 /* The intrinsic is overloaded, we need to add a type suffix for overloading to work. */
925 unsigned func
= CLAMP(num_channels
, 1, 3) - 1;
926 const char *types
[] = {"i32", "v2i32", "v4i32"};
928 snprintf(name
, sizeof(name
), "llvm.SI.tbuffer.store.%s", types
[func
]);
930 lp_build_intrinsic(gallivm
->builder
, name
,
931 LLVMVoidTypeInContext(gallivm
->context
),
932 args
, Elements(args
));
935 static void build_streamout_store(struct si_shader_context
*shader
,
938 unsigned num_channels
,
940 LLVMValueRef soffset
,
941 unsigned inst_offset
)
943 static unsigned dfmt
[] = {
944 V_008F0C_BUF_DATA_FORMAT_32
,
945 V_008F0C_BUF_DATA_FORMAT_32_32
,
946 V_008F0C_BUF_DATA_FORMAT_32_32_32
,
947 V_008F0C_BUF_DATA_FORMAT_32_32_32_32
949 assert(num_channels
>= 1 && num_channels
<= 4);
951 build_tbuffer_store(shader
, rsrc
, vdata
, num_channels
, vaddr
, soffset
,
952 inst_offset
, dfmt
[num_channels
-1],
953 V_008F0C_BUF_NUM_FORMAT_UINT
, 1, 0, 1, 1, 0);
956 /* On SI, the vertex shader is responsible for writing streamout data
958 static void si_llvm_emit_streamout(struct si_shader_context
*shader
,
959 struct si_shader_output_values
*outputs
,
962 struct pipe_stream_output_info
*so
= &shader
->shader
->selector
->so
;
963 struct gallivm_state
*gallivm
= &shader
->radeon_bld
.gallivm
;
964 LLVMBuilderRef builder
= gallivm
->builder
;
966 struct lp_build_if_state if_ctx
;
968 LLVMTypeRef i32
= LLVMInt32TypeInContext(gallivm
->context
);
970 LLVMValueRef so_param
=
971 LLVMGetParam(shader
->radeon_bld
.main_fn
,
972 shader
->param_streamout_config
);
974 /* Get bits [22:16], i.e. (so_param >> 16) & 127; */
975 LLVMValueRef so_vtx_count
=
976 LLVMBuildAnd(builder
,
977 LLVMBuildLShr(builder
, so_param
,
978 LLVMConstInt(i32
, 16, 0), ""),
979 LLVMConstInt(i32
, 127, 0), "");
981 LLVMValueRef tid
= build_intrinsic(builder
, "llvm.SI.tid", i32
,
982 NULL
, 0, LLVMReadNoneAttribute
);
984 /* can_emit = tid < so_vtx_count; */
985 LLVMValueRef can_emit
=
986 LLVMBuildICmp(builder
, LLVMIntULT
, tid
, so_vtx_count
, "");
988 /* Emit the streamout code conditionally. This actually avoids
989 * out-of-bounds buffer access. The hw tells us via the SGPR
990 * (so_vtx_count) which threads are allowed to emit streamout data. */
991 lp_build_if(&if_ctx
, gallivm
, can_emit
);
993 /* The buffer offset is computed as follows:
994 * ByteOffset = streamout_offset[buffer_id]*4 +
995 * (streamout_write_index + thread_id)*stride[buffer_id] +
999 LLVMValueRef so_write_index
=
1000 LLVMGetParam(shader
->radeon_bld
.main_fn
,
1001 shader
->param_streamout_write_index
);
1003 /* Compute (streamout_write_index + thread_id). */
1004 so_write_index
= LLVMBuildAdd(builder
, so_write_index
, tid
, "");
1006 /* Compute the write offset for each enabled buffer. */
1007 LLVMValueRef so_write_offset
[4] = {};
1008 for (i
= 0; i
< 4; i
++) {
1012 LLVMValueRef so_offset
= LLVMGetParam(shader
->radeon_bld
.main_fn
,
1013 shader
->param_streamout_offset
[i
]);
1014 so_offset
= LLVMBuildMul(builder
, so_offset
, LLVMConstInt(i32
, 4, 0), "");
1016 so_write_offset
[i
] = LLVMBuildMul(builder
, so_write_index
,
1017 LLVMConstInt(i32
, so
->stride
[i
]*4, 0), "");
1018 so_write_offset
[i
] = LLVMBuildAdd(builder
, so_write_offset
[i
], so_offset
, "");
1021 /* Write streamout data. */
1022 for (i
= 0; i
< so
->num_outputs
; i
++) {
1023 unsigned buf_idx
= so
->output
[i
].output_buffer
;
1024 unsigned reg
= so
->output
[i
].register_index
;
1025 unsigned start
= so
->output
[i
].start_component
;
1026 unsigned num_comps
= so
->output
[i
].num_components
;
1027 LLVMValueRef out
[4];
1029 assert(num_comps
&& num_comps
<= 4);
1030 if (!num_comps
|| num_comps
> 4)
1036 /* Load the output as int. */
1037 for (j
= 0; j
< num_comps
; j
++) {
1038 out
[j
] = LLVMBuildBitCast(builder
,
1039 outputs
[reg
].values
[start
+j
],
1043 /* Pack the output. */
1044 LLVMValueRef vdata
= NULL
;
1046 switch (num_comps
) {
1047 case 1: /* as i32 */
1050 case 2: /* as v2i32 */
1051 case 3: /* as v4i32 (aligned to 4) */
1052 case 4: /* as v4i32 */
1053 vdata
= LLVMGetUndef(LLVMVectorType(i32
, util_next_power_of_two(num_comps
)));
1054 for (j
= 0; j
< num_comps
; j
++) {
1055 vdata
= LLVMBuildInsertElement(builder
, vdata
, out
[j
],
1056 LLVMConstInt(i32
, j
, 0), "");
1061 build_streamout_store(shader
, shader
->so_buffers
[buf_idx
],
1063 so_write_offset
[buf_idx
],
1064 LLVMConstInt(i32
, 0, 0),
1065 so
->output
[i
].dst_offset
*4);
1068 lp_build_endif(&if_ctx
);
1072 /* Generate export instructions for hardware VS shader stage */
1073 static void si_llvm_export_vs(struct lp_build_tgsi_context
*bld_base
,
1074 struct si_shader_output_values
*outputs
,
1077 struct si_shader_context
* si_shader_ctx
= si_shader_context(bld_base
);
1078 struct si_shader
* shader
= si_shader_ctx
->shader
;
1079 struct lp_build_context
* base
= &bld_base
->base
;
1080 struct lp_build_context
* uint
=
1081 &si_shader_ctx
->radeon_bld
.soa
.bld_base
.uint_bld
;
1082 LLVMValueRef args
[9];
1083 LLVMValueRef pos_args
[4][9] = { { 0 } };
1084 LLVMValueRef psize_value
= NULL
, edgeflag_value
= NULL
, layer_value
= NULL
;
1085 unsigned semantic_name
, semantic_index
;
1087 unsigned param_count
= 0;
1091 if (outputs
&& si_shader_ctx
->shader
->selector
->so
.num_outputs
) {
1092 si_llvm_emit_streamout(si_shader_ctx
, outputs
, noutput
);
1095 for (i
= 0; i
< noutput
; i
++) {
1096 semantic_name
= outputs
[i
].name
;
1097 semantic_index
= outputs
[i
].sid
;
1100 /* Select the correct target */
1101 switch(semantic_name
) {
1102 case TGSI_SEMANTIC_PSIZE
:
1103 shader
->vs_out_misc_write
= true;
1104 shader
->vs_out_point_size
= true;
1105 psize_value
= outputs
[i
].values
[0];
1107 case TGSI_SEMANTIC_EDGEFLAG
:
1108 shader
->vs_out_misc_write
= true;
1109 shader
->vs_out_edgeflag
= true;
1110 edgeflag_value
= outputs
[i
].values
[0];
1112 case TGSI_SEMANTIC_LAYER
:
1113 shader
->vs_out_misc_write
= true;
1114 shader
->vs_out_layer
= true;
1115 layer_value
= outputs
[i
].values
[0];
1117 case TGSI_SEMANTIC_POSITION
:
1118 target
= V_008DFC_SQ_EXP_POS
;
1120 case TGSI_SEMANTIC_COLOR
:
1121 case TGSI_SEMANTIC_BCOLOR
:
1122 target
= V_008DFC_SQ_EXP_PARAM
+ param_count
;
1123 shader
->vs_output_param_offset
[i
] = param_count
;
1126 case TGSI_SEMANTIC_CLIPDIST
:
1127 shader
->clip_dist_write
|=
1128 0xf << (semantic_index
* 4);
1129 target
= V_008DFC_SQ_EXP_POS
+ 2 + semantic_index
;
1131 case TGSI_SEMANTIC_CLIPVERTEX
:
1132 si_llvm_emit_clipvertex(bld_base
, pos_args
, outputs
[i
].values
);
1134 case TGSI_SEMANTIC_PRIMID
:
1135 case TGSI_SEMANTIC_FOG
:
1136 case TGSI_SEMANTIC_GENERIC
:
1137 target
= V_008DFC_SQ_EXP_PARAM
+ param_count
;
1138 shader
->vs_output_param_offset
[i
] = param_count
;
1144 "Warning: SI unhandled vs output type:%d\n",
1148 si_llvm_init_export_args(bld_base
, outputs
[i
].values
, target
, args
);
1150 if (target
>= V_008DFC_SQ_EXP_POS
&&
1151 target
<= (V_008DFC_SQ_EXP_POS
+ 3)) {
1152 memcpy(pos_args
[target
- V_008DFC_SQ_EXP_POS
],
1153 args
, sizeof(args
));
1155 lp_build_intrinsic(base
->gallivm
->builder
,
1157 LLVMVoidTypeInContext(base
->gallivm
->context
),
1161 if (semantic_name
== TGSI_SEMANTIC_CLIPDIST
) {
1162 semantic_name
= TGSI_SEMANTIC_GENERIC
;
1163 goto handle_semantic
;
1167 /* We need to add the position output manually if it's missing. */
1168 if (!pos_args
[0][0]) {
1169 pos_args
[0][0] = lp_build_const_int32(base
->gallivm
, 0xf); /* writemask */
1170 pos_args
[0][1] = uint
->zero
; /* EXEC mask */
1171 pos_args
[0][2] = uint
->zero
; /* last export? */
1172 pos_args
[0][3] = lp_build_const_int32(base
->gallivm
, V_008DFC_SQ_EXP_POS
);
1173 pos_args
[0][4] = uint
->zero
; /* COMPR flag */
1174 pos_args
[0][5] = base
->zero
; /* X */
1175 pos_args
[0][6] = base
->zero
; /* Y */
1176 pos_args
[0][7] = base
->zero
; /* Z */
1177 pos_args
[0][8] = base
->one
; /* W */
1180 /* Write the misc vector (point size, edgeflag, layer, viewport). */
1181 if (shader
->vs_out_misc_write
) {
1182 pos_args
[1][0] = lp_build_const_int32(base
->gallivm
, /* writemask */
1183 shader
->vs_out_point_size
|
1184 (shader
->vs_out_edgeflag
<< 1) |
1185 (shader
->vs_out_layer
<< 2));
1186 pos_args
[1][1] = uint
->zero
; /* EXEC mask */
1187 pos_args
[1][2] = uint
->zero
; /* last export? */
1188 pos_args
[1][3] = lp_build_const_int32(base
->gallivm
, V_008DFC_SQ_EXP_POS
+ 1);
1189 pos_args
[1][4] = uint
->zero
; /* COMPR flag */
1190 pos_args
[1][5] = base
->zero
; /* X */
1191 pos_args
[1][6] = base
->zero
; /* Y */
1192 pos_args
[1][7] = base
->zero
; /* Z */
1193 pos_args
[1][8] = base
->zero
; /* W */
1195 if (shader
->vs_out_point_size
)
1196 pos_args
[1][5] = psize_value
;
1198 if (shader
->vs_out_edgeflag
) {
1199 /* The output is a float, but the hw expects an integer
1200 * with the first bit containing the edge flag. */
1201 edgeflag_value
= LLVMBuildFPToUI(base
->gallivm
->builder
,
1203 bld_base
->uint_bld
.elem_type
, "");
1204 edgeflag_value
= lp_build_min(&bld_base
->int_bld
,
1206 bld_base
->int_bld
.one
);
1208 /* The LLVM intrinsic expects a float. */
1209 pos_args
[1][6] = LLVMBuildBitCast(base
->gallivm
->builder
,
1211 base
->elem_type
, "");
1214 if (shader
->vs_out_layer
)
1215 pos_args
[1][7] = layer_value
;
1218 for (i
= 0; i
< 4; i
++)
1220 shader
->nr_pos_exports
++;
1223 for (i
= 0; i
< 4; i
++) {
1224 if (!pos_args
[i
][0])
1227 /* Specify the target we are exporting */
1228 pos_args
[i
][3] = lp_build_const_int32(base
->gallivm
, V_008DFC_SQ_EXP_POS
+ pos_idx
++);
1230 if (pos_idx
== shader
->nr_pos_exports
)
1231 /* Specify that this is the last export */
1232 pos_args
[i
][2] = uint
->one
;
1234 lp_build_intrinsic(base
->gallivm
->builder
,
1236 LLVMVoidTypeInContext(base
->gallivm
->context
),
1241 static void si_llvm_emit_es_epilogue(struct lp_build_tgsi_context
* bld_base
)
1243 struct si_shader_context
*si_shader_ctx
= si_shader_context(bld_base
);
1244 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1245 struct si_shader
*es
= si_shader_ctx
->shader
;
1246 struct tgsi_shader_info
*info
= &es
->selector
->info
;
1247 LLVMTypeRef i32
= LLVMInt32TypeInContext(gallivm
->context
);
1248 LLVMValueRef soffset
= LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
,
1249 SI_PARAM_ES2GS_OFFSET
);
1250 LLVMValueRef t_list_ptr
;
1251 LLVMValueRef t_list
;
1255 /* Load the ESGS ring resource descriptor */
1256 t_list_ptr
= LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
,
1257 SI_PARAM_RW_BUFFERS
);
1258 t_list
= build_indexed_load(si_shader_ctx
, t_list_ptr
,
1259 lp_build_const_int32(gallivm
, SI_RING_ESGS
));
1261 for (i
= 0; i
< info
->num_outputs
; i
++) {
1262 LLVMValueRef
*out_ptr
=
1263 si_shader_ctx
->radeon_bld
.soa
.outputs
[i
];
1264 int param_index
= get_param_index(info
->output_semantic_name
[i
],
1265 info
->output_semantic_index
[i
],
1266 es
->key
.vs
.gs_used_inputs
);
1268 if (param_index
< 0)
1271 for (chan
= 0; chan
< 4; chan
++) {
1272 LLVMValueRef out_val
= LLVMBuildLoad(gallivm
->builder
, out_ptr
[chan
], "");
1273 out_val
= LLVMBuildBitCast(gallivm
->builder
, out_val
, i32
, "");
1275 build_tbuffer_store(si_shader_ctx
, t_list
, out_val
, 1,
1276 LLVMGetUndef(i32
), soffset
,
1277 (4 * param_index
+ chan
) * 4,
1278 V_008F0C_BUF_DATA_FORMAT_32
,
1279 V_008F0C_BUF_NUM_FORMAT_UINT
,
1285 static void si_llvm_emit_gs_epilogue(struct lp_build_tgsi_context
*bld_base
)
1287 struct si_shader_context
*si_shader_ctx
= si_shader_context(bld_base
);
1288 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1289 LLVMValueRef args
[2];
1291 args
[0] = lp_build_const_int32(gallivm
, SENDMSG_GS_OP_NOP
| SENDMSG_GS_DONE
);
1292 args
[1] = LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
, SI_PARAM_GS_WAVE_ID
);
1293 build_intrinsic(gallivm
->builder
, "llvm.SI.sendmsg",
1294 LLVMVoidTypeInContext(gallivm
->context
), args
, 2,
1295 LLVMNoUnwindAttribute
);
1298 static void si_llvm_emit_vs_epilogue(struct lp_build_tgsi_context
* bld_base
)
1300 struct si_shader_context
*si_shader_ctx
= si_shader_context(bld_base
);
1301 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1302 struct tgsi_shader_info
*info
= &si_shader_ctx
->shader
->selector
->info
;
1303 struct si_shader_output_values
*outputs
= NULL
;
1306 outputs
= MALLOC(info
->num_outputs
* sizeof(outputs
[0]));
1308 for (i
= 0; i
< info
->num_outputs
; i
++) {
1309 outputs
[i
].name
= info
->output_semantic_name
[i
];
1310 outputs
[i
].sid
= info
->output_semantic_index
[i
];
1312 for (j
= 0; j
< 4; j
++)
1313 outputs
[i
].values
[j
] =
1314 LLVMBuildLoad(gallivm
->builder
,
1315 si_shader_ctx
->radeon_bld
.soa
.outputs
[i
][j
],
1319 si_llvm_export_vs(bld_base
, outputs
, info
->num_outputs
);
1323 static void si_llvm_emit_fs_epilogue(struct lp_build_tgsi_context
* bld_base
)
1325 struct si_shader_context
* si_shader_ctx
= si_shader_context(bld_base
);
1326 struct si_shader
* shader
= si_shader_ctx
->shader
;
1327 struct lp_build_context
* base
= &bld_base
->base
;
1328 struct lp_build_context
* uint
= &bld_base
->uint_bld
;
1329 struct tgsi_shader_info
*info
= &shader
->selector
->info
;
1330 LLVMValueRef args
[9];
1331 LLVMValueRef last_args
[9] = { 0 };
1332 int depth_index
= -1, stencil_index
= -1, samplemask_index
= -1;
1335 for (i
= 0; i
< info
->num_outputs
; i
++) {
1336 unsigned semantic_name
= info
->output_semantic_name
[i
];
1337 unsigned semantic_index
= info
->output_semantic_index
[i
];
1340 /* Select the correct target */
1341 switch (semantic_name
) {
1342 case TGSI_SEMANTIC_POSITION
:
1345 case TGSI_SEMANTIC_STENCIL
:
1348 case TGSI_SEMANTIC_SAMPLEMASK
:
1349 samplemask_index
= i
;
1351 case TGSI_SEMANTIC_COLOR
:
1352 target
= V_008DFC_SQ_EXP_MRT
+ semantic_index
;
1353 if (si_shader_ctx
->shader
->key
.ps
.alpha_to_one
)
1354 LLVMBuildStore(bld_base
->base
.gallivm
->builder
,
1356 si_shader_ctx
->radeon_bld
.soa
.outputs
[i
][3]);
1358 if (semantic_index
== 0 &&
1359 si_shader_ctx
->shader
->key
.ps
.alpha_func
!= PIPE_FUNC_ALWAYS
)
1360 si_alpha_test(bld_base
,
1361 si_shader_ctx
->radeon_bld
.soa
.outputs
[i
]);
1366 "Warning: SI unhandled fs output type:%d\n",
1370 si_llvm_init_export_args_load(bld_base
,
1371 si_shader_ctx
->radeon_bld
.soa
.outputs
[i
],
1374 if (semantic_name
== TGSI_SEMANTIC_COLOR
) {
1375 /* If there is an export instruction waiting to be emitted, do so now. */
1377 lp_build_intrinsic(base
->gallivm
->builder
,
1379 LLVMVoidTypeInContext(base
->gallivm
->context
),
1383 /* This instruction will be emitted at the end of the shader. */
1384 memcpy(last_args
, args
, sizeof(args
));
1386 /* Handle FS_COLOR0_WRITES_ALL_CBUFS. */
1387 if (shader
->selector
->info
.properties
[TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS
] &&
1388 semantic_index
== 0 &&
1389 si_shader_ctx
->shader
->key
.ps
.last_cbuf
> 0) {
1390 for (int c
= 1; c
<= si_shader_ctx
->shader
->key
.ps
.last_cbuf
; c
++) {
1391 si_llvm_init_export_args_load(bld_base
,
1392 si_shader_ctx
->radeon_bld
.soa
.outputs
[i
],
1393 V_008DFC_SQ_EXP_MRT
+ c
, args
);
1394 lp_build_intrinsic(base
->gallivm
->builder
,
1396 LLVMVoidTypeInContext(base
->gallivm
->context
),
1401 lp_build_intrinsic(base
->gallivm
->builder
,
1403 LLVMVoidTypeInContext(base
->gallivm
->context
),
1408 if (depth_index
>= 0 || stencil_index
>= 0 || samplemask_index
>= 0) {
1409 LLVMValueRef out_ptr
;
1412 /* Specify the target we are exporting */
1413 args
[3] = lp_build_const_int32(base
->gallivm
, V_008DFC_SQ_EXP_MRTZ
);
1415 args
[5] = base
->zero
; /* R, depth */
1416 args
[6] = base
->zero
; /* G, stencil test value[0:7], stencil op value[8:15] */
1417 args
[7] = base
->zero
; /* B, sample mask */
1418 args
[8] = base
->zero
; /* A, alpha to mask */
1420 if (depth_index
>= 0) {
1421 out_ptr
= si_shader_ctx
->radeon_bld
.soa
.outputs
[depth_index
][2];
1422 args
[5] = LLVMBuildLoad(base
->gallivm
->builder
, out_ptr
, "");
1424 si_shader_ctx
->shader
->db_shader_control
|= S_02880C_Z_EXPORT_ENABLE(1);
1427 if (stencil_index
>= 0) {
1428 out_ptr
= si_shader_ctx
->radeon_bld
.soa
.outputs
[stencil_index
][1];
1429 args
[6] = LLVMBuildLoad(base
->gallivm
->builder
, out_ptr
, "");
1430 /* Only setting the stencil component bit (0x2) here
1431 * breaks some stencil piglit tests
1434 si_shader_ctx
->shader
->db_shader_control
|=
1435 S_02880C_STENCIL_TEST_VAL_EXPORT_ENABLE(1);
1438 if (samplemask_index
>= 0) {
1439 out_ptr
= si_shader_ctx
->radeon_bld
.soa
.outputs
[samplemask_index
][0];
1440 args
[7] = LLVMBuildLoad(base
->gallivm
->builder
, out_ptr
, "");
1441 mask
|= 0xf; /* Set all components. */
1442 si_shader_ctx
->shader
->db_shader_control
|= S_02880C_MASK_EXPORT_ENABLE(1);
1445 if (samplemask_index
>= 0)
1446 si_shader_ctx
->shader
->spi_shader_z_format
= V_028710_SPI_SHADER_32_ABGR
;
1447 else if (stencil_index
>= 0)
1448 si_shader_ctx
->shader
->spi_shader_z_format
= V_028710_SPI_SHADER_32_GR
;
1450 si_shader_ctx
->shader
->spi_shader_z_format
= V_028710_SPI_SHADER_32_R
;
1452 /* Specify which components to enable */
1453 args
[0] = lp_build_const_int32(base
->gallivm
, mask
);
1457 args
[4] = uint
->zero
;
1460 lp_build_intrinsic(base
->gallivm
->builder
,
1462 LLVMVoidTypeInContext(base
->gallivm
->context
),
1465 memcpy(last_args
, args
, sizeof(args
));
1468 if (!last_args
[0]) {
1469 /* Specify which components to enable */
1470 last_args
[0] = lp_build_const_int32(base
->gallivm
, 0x0);
1472 /* Specify the target we are exporting */
1473 last_args
[3] = lp_build_const_int32(base
->gallivm
, V_008DFC_SQ_EXP_MRT
);
1475 /* Set COMPR flag to zero to export data as 32-bit */
1476 last_args
[4] = uint
->zero
;
1479 last_args
[5]= uint
->zero
;
1480 last_args
[6]= uint
->zero
;
1481 last_args
[7]= uint
->zero
;
1482 last_args
[8]= uint
->zero
;
1485 /* Specify whether the EXEC mask represents the valid mask */
1486 last_args
[1] = uint
->one
;
1488 /* Specify that this is the last export */
1489 last_args
[2] = lp_build_const_int32(base
->gallivm
, 1);
1491 lp_build_intrinsic(base
->gallivm
->builder
,
1493 LLVMVoidTypeInContext(base
->gallivm
->context
),
1497 static void build_tex_intrinsic(const struct lp_build_tgsi_action
* action
,
1498 struct lp_build_tgsi_context
* bld_base
,
1499 struct lp_build_emit_data
* emit_data
);
1501 static bool tgsi_is_shadow_sampler(unsigned target
)
1503 return target
== TGSI_TEXTURE_SHADOW1D
||
1504 target
== TGSI_TEXTURE_SHADOW1D_ARRAY
||
1505 target
== TGSI_TEXTURE_SHADOW2D
||
1506 target
== TGSI_TEXTURE_SHADOW2D_ARRAY
||
1507 target
== TGSI_TEXTURE_SHADOWCUBE
||
1508 target
== TGSI_TEXTURE_SHADOWCUBE_ARRAY
||
1509 target
== TGSI_TEXTURE_SHADOWRECT
;
1512 static const struct lp_build_tgsi_action tex_action
;
1514 static void tex_fetch_args(
1515 struct lp_build_tgsi_context
* bld_base
,
1516 struct lp_build_emit_data
* emit_data
)
1518 struct si_shader_context
*si_shader_ctx
= si_shader_context(bld_base
);
1519 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1520 const struct tgsi_full_instruction
* inst
= emit_data
->inst
;
1521 unsigned opcode
= inst
->Instruction
.Opcode
;
1522 unsigned target
= inst
->Texture
.Texture
;
1523 LLVMValueRef coords
[4];
1524 LLVMValueRef address
[16];
1526 unsigned num_coords
= tgsi_util_get_texture_coord_dim(target
, &ref_pos
);
1529 unsigned sampler_src
= emit_data
->inst
->Instruction
.NumSrcRegs
- 1;
1530 unsigned sampler_index
= emit_data
->inst
->Src
[sampler_src
].Register
.Index
;
1531 bool has_offset
= HAVE_LLVM
>= 0x0305 ? inst
->Texture
.NumOffsets
> 0 : false;
1533 if (target
== TGSI_TEXTURE_BUFFER
) {
1534 LLVMTypeRef i128
= LLVMIntTypeInContext(gallivm
->context
, 128);
1535 LLVMTypeRef v2i128
= LLVMVectorType(i128
, 2);
1536 LLVMTypeRef i8
= LLVMInt8TypeInContext(gallivm
->context
);
1537 LLVMTypeRef v16i8
= LLVMVectorType(i8
, 16);
1539 /* Bitcast and truncate v8i32 to v16i8. */
1540 LLVMValueRef res
= si_shader_ctx
->resources
[sampler_index
];
1541 res
= LLVMBuildBitCast(gallivm
->builder
, res
, v2i128
, "");
1542 res
= LLVMBuildExtractElement(gallivm
->builder
, res
, bld_base
->uint_bld
.zero
, "");
1543 res
= LLVMBuildBitCast(gallivm
->builder
, res
, v16i8
, "");
1545 emit_data
->dst_type
= LLVMVectorType(bld_base
->base
.elem_type
, 4);
1546 emit_data
->args
[0] = res
;
1547 emit_data
->args
[1] = bld_base
->uint_bld
.zero
;
1548 emit_data
->args
[2] = lp_build_emit_fetch(bld_base
, emit_data
->inst
, 0, 0);
1549 emit_data
->arg_count
= 3;
1553 /* Fetch and project texture coordinates */
1554 coords
[3] = lp_build_emit_fetch(bld_base
, emit_data
->inst
, 0, TGSI_CHAN_W
);
1555 for (chan
= 0; chan
< 3; chan
++ ) {
1556 coords
[chan
] = lp_build_emit_fetch(bld_base
,
1559 if (opcode
== TGSI_OPCODE_TXP
)
1560 coords
[chan
] = lp_build_emit_llvm_binary(bld_base
,
1566 if (opcode
== TGSI_OPCODE_TXP
)
1567 coords
[3] = bld_base
->base
.one
;
1570 if (has_offset
&& opcode
!= TGSI_OPCODE_TXF
) {
1571 /* The offsets are six-bit signed integers packed like this:
1572 * X=[5:0], Y=[13:8], and Z=[21:16].
1574 LLVMValueRef offset
[3], pack
;
1576 assert(inst
->Texture
.NumOffsets
== 1);
1578 for (chan
= 0; chan
< 3; chan
++) {
1579 offset
[chan
] = lp_build_emit_fetch_texoffset(bld_base
,
1580 emit_data
->inst
, 0, chan
);
1581 offset
[chan
] = LLVMBuildAnd(gallivm
->builder
, offset
[chan
],
1582 lp_build_const_int32(gallivm
, 0x3f), "");
1584 offset
[chan
] = LLVMBuildShl(gallivm
->builder
, offset
[chan
],
1585 lp_build_const_int32(gallivm
, chan
*8), "");
1588 pack
= LLVMBuildOr(gallivm
->builder
, offset
[0], offset
[1], "");
1589 pack
= LLVMBuildOr(gallivm
->builder
, pack
, offset
[2], "");
1590 address
[count
++] = pack
;
1593 /* Pack LOD bias value */
1594 if (opcode
== TGSI_OPCODE_TXB
)
1595 address
[count
++] = coords
[3];
1596 if (opcode
== TGSI_OPCODE_TXB2
)
1597 address
[count
++] = lp_build_emit_fetch(bld_base
, inst
, 1, 0);
1599 /* Pack depth comparison value */
1600 if (tgsi_is_shadow_sampler(target
) && opcode
!= TGSI_OPCODE_LODQ
) {
1601 if (target
== TGSI_TEXTURE_SHADOWCUBE_ARRAY
) {
1602 address
[count
++] = lp_build_emit_fetch(bld_base
, inst
, 1, 0);
1604 assert(ref_pos
>= 0);
1605 address
[count
++] = coords
[ref_pos
];
1609 if (target
== TGSI_TEXTURE_CUBE
||
1610 target
== TGSI_TEXTURE_CUBE_ARRAY
||
1611 target
== TGSI_TEXTURE_SHADOWCUBE
||
1612 target
== TGSI_TEXTURE_SHADOWCUBE_ARRAY
)
1613 radeon_llvm_emit_prepare_cube_coords(bld_base
, emit_data
, coords
);
1615 /* Pack user derivatives */
1616 if (opcode
== TGSI_OPCODE_TXD
) {
1617 int num_deriv_channels
, param
;
1620 case TGSI_TEXTURE_3D
:
1621 num_deriv_channels
= 3;
1623 case TGSI_TEXTURE_2D
:
1624 case TGSI_TEXTURE_SHADOW2D
:
1625 case TGSI_TEXTURE_RECT
:
1626 case TGSI_TEXTURE_SHADOWRECT
:
1627 case TGSI_TEXTURE_2D_ARRAY
:
1628 case TGSI_TEXTURE_SHADOW2D_ARRAY
:
1629 case TGSI_TEXTURE_CUBE
:
1630 case TGSI_TEXTURE_SHADOWCUBE
:
1631 case TGSI_TEXTURE_CUBE_ARRAY
:
1632 case TGSI_TEXTURE_SHADOWCUBE_ARRAY
:
1633 num_deriv_channels
= 2;
1635 case TGSI_TEXTURE_1D
:
1636 case TGSI_TEXTURE_SHADOW1D
:
1637 case TGSI_TEXTURE_1D_ARRAY
:
1638 case TGSI_TEXTURE_SHADOW1D_ARRAY
:
1639 num_deriv_channels
= 1;
1642 assert(0); /* no other targets are valid here */
1645 for (param
= 1; param
<= 2; param
++)
1646 for (chan
= 0; chan
< num_deriv_channels
; chan
++)
1647 address
[count
++] = lp_build_emit_fetch(bld_base
, inst
, param
, chan
);
1650 /* Pack texture coordinates */
1651 address
[count
++] = coords
[0];
1653 address
[count
++] = coords
[1];
1655 address
[count
++] = coords
[2];
1657 /* Pack LOD or sample index */
1658 if (opcode
== TGSI_OPCODE_TXL
|| opcode
== TGSI_OPCODE_TXF
)
1659 address
[count
++] = coords
[3];
1660 else if (opcode
== TGSI_OPCODE_TXL2
)
1661 address
[count
++] = lp_build_emit_fetch(bld_base
, inst
, 1, 0);
1664 assert(!"Cannot handle more than 16 texture address parameters");
1668 for (chan
= 0; chan
< count
; chan
++ ) {
1669 address
[chan
] = LLVMBuildBitCast(gallivm
->builder
,
1671 LLVMInt32TypeInContext(gallivm
->context
),
1675 /* Adjust the sample index according to FMASK.
1677 * For uncompressed MSAA surfaces, FMASK should return 0x76543210,
1678 * which is the identity mapping. Each nibble says which physical sample
1679 * should be fetched to get that sample.
1681 * For example, 0x11111100 means there are only 2 samples stored and
1682 * the second sample covers 3/4 of the pixel. When reading samples 0
1683 * and 1, return physical sample 0 (determined by the first two 0s
1684 * in FMASK), otherwise return physical sample 1.
1686 * The sample index should be adjusted as follows:
1687 * sample_index = (fmask >> (sample_index * 4)) & 0xF;
1689 if (target
== TGSI_TEXTURE_2D_MSAA
||
1690 target
== TGSI_TEXTURE_2D_ARRAY_MSAA
) {
1691 struct lp_build_context
*uint_bld
= &bld_base
->uint_bld
;
1692 struct lp_build_emit_data txf_emit_data
= *emit_data
;
1693 LLVMValueRef txf_address
[4];
1694 unsigned txf_count
= count
;
1695 struct tgsi_full_instruction inst
= {};
1697 memcpy(txf_address
, address
, sizeof(txf_address
));
1699 if (target
== TGSI_TEXTURE_2D_MSAA
) {
1700 txf_address
[2] = bld_base
->uint_bld
.zero
;
1702 txf_address
[3] = bld_base
->uint_bld
.zero
;
1704 /* Pad to a power-of-two size. */
1705 while (txf_count
< util_next_power_of_two(txf_count
))
1706 txf_address
[txf_count
++] = LLVMGetUndef(LLVMInt32TypeInContext(gallivm
->context
));
1708 /* Read FMASK using TXF. */
1709 inst
.Instruction
.Opcode
= TGSI_OPCODE_TXF
;
1710 inst
.Texture
.Texture
= target
== TGSI_TEXTURE_2D_MSAA
? TGSI_TEXTURE_2D
: TGSI_TEXTURE_2D_ARRAY
;
1711 txf_emit_data
.inst
= &inst
;
1712 txf_emit_data
.chan
= 0;
1713 txf_emit_data
.dst_type
= LLVMVectorType(
1714 LLVMInt32TypeInContext(gallivm
->context
), 4);
1715 txf_emit_data
.args
[0] = lp_build_gather_values(gallivm
, txf_address
, txf_count
);
1716 txf_emit_data
.args
[1] = si_shader_ctx
->resources
[SI_FMASK_TEX_OFFSET
+ sampler_index
];
1717 txf_emit_data
.args
[2] = lp_build_const_int32(gallivm
, inst
.Texture
.Texture
);
1718 txf_emit_data
.arg_count
= 3;
1720 build_tex_intrinsic(&tex_action
, bld_base
, &txf_emit_data
);
1722 /* Initialize some constants. */
1723 LLVMValueRef four
= LLVMConstInt(uint_bld
->elem_type
, 4, 0);
1724 LLVMValueRef F
= LLVMConstInt(uint_bld
->elem_type
, 0xF, 0);
1726 /* Apply the formula. */
1727 LLVMValueRef fmask
=
1728 LLVMBuildExtractElement(gallivm
->builder
,
1729 txf_emit_data
.output
[0],
1730 uint_bld
->zero
, "");
1732 unsigned sample_chan
= target
== TGSI_TEXTURE_2D_MSAA
? 2 : 3;
1734 LLVMValueRef sample_index4
=
1735 LLVMBuildMul(gallivm
->builder
, address
[sample_chan
], four
, "");
1737 LLVMValueRef shifted_fmask
=
1738 LLVMBuildLShr(gallivm
->builder
, fmask
, sample_index4
, "");
1740 LLVMValueRef final_sample
=
1741 LLVMBuildAnd(gallivm
->builder
, shifted_fmask
, F
, "");
1743 /* Don't rewrite the sample index if WORD1.DATA_FORMAT of the FMASK
1744 * resource descriptor is 0 (invalid),
1746 LLVMValueRef fmask_desc
=
1747 LLVMBuildBitCast(gallivm
->builder
,
1748 si_shader_ctx
->resources
[SI_FMASK_TEX_OFFSET
+ sampler_index
],
1749 LLVMVectorType(uint_bld
->elem_type
, 8), "");
1751 LLVMValueRef fmask_word1
=
1752 LLVMBuildExtractElement(gallivm
->builder
, fmask_desc
,
1755 LLVMValueRef word1_is_nonzero
=
1756 LLVMBuildICmp(gallivm
->builder
, LLVMIntNE
,
1757 fmask_word1
, uint_bld
->zero
, "");
1759 /* Replace the MSAA sample index. */
1760 address
[sample_chan
] =
1761 LLVMBuildSelect(gallivm
->builder
, word1_is_nonzero
,
1762 final_sample
, address
[sample_chan
], "");
1766 emit_data
->args
[1] = si_shader_ctx
->resources
[sampler_index
];
1768 if (opcode
== TGSI_OPCODE_TXF
) {
1769 /* add tex offsets */
1770 if (inst
->Texture
.NumOffsets
) {
1771 struct lp_build_context
*uint_bld
= &bld_base
->uint_bld
;
1772 struct lp_build_tgsi_soa_context
*bld
= lp_soa_context(bld_base
);
1773 const struct tgsi_texture_offset
* off
= inst
->TexOffsets
;
1775 assert(inst
->Texture
.NumOffsets
== 1);
1778 case TGSI_TEXTURE_3D
:
1779 address
[2] = lp_build_add(uint_bld
, address
[2],
1780 bld
->immediates
[off
->Index
][off
->SwizzleZ
]);
1782 case TGSI_TEXTURE_2D
:
1783 case TGSI_TEXTURE_SHADOW2D
:
1784 case TGSI_TEXTURE_RECT
:
1785 case TGSI_TEXTURE_SHADOWRECT
:
1786 case TGSI_TEXTURE_2D_ARRAY
:
1787 case TGSI_TEXTURE_SHADOW2D_ARRAY
:
1789 lp_build_add(uint_bld
, address
[1],
1790 bld
->immediates
[off
->Index
][off
->SwizzleY
]);
1792 case TGSI_TEXTURE_1D
:
1793 case TGSI_TEXTURE_SHADOW1D
:
1794 case TGSI_TEXTURE_1D_ARRAY
:
1795 case TGSI_TEXTURE_SHADOW1D_ARRAY
:
1797 lp_build_add(uint_bld
, address
[0],
1798 bld
->immediates
[off
->Index
][off
->SwizzleX
]);
1800 /* texture offsets do not apply to other texture targets */
1804 emit_data
->args
[2] = lp_build_const_int32(gallivm
, target
);
1805 emit_data
->arg_count
= 3;
1807 emit_data
->dst_type
= LLVMVectorType(
1808 LLVMInt32TypeInContext(gallivm
->context
),
1810 } else if (opcode
== TGSI_OPCODE_TG4
||
1811 opcode
== TGSI_OPCODE_LODQ
||
1813 unsigned is_array
= target
== TGSI_TEXTURE_1D_ARRAY
||
1814 target
== TGSI_TEXTURE_SHADOW1D_ARRAY
||
1815 target
== TGSI_TEXTURE_2D_ARRAY
||
1816 target
== TGSI_TEXTURE_SHADOW2D_ARRAY
||
1817 target
== TGSI_TEXTURE_CUBE_ARRAY
||
1818 target
== TGSI_TEXTURE_SHADOWCUBE_ARRAY
;
1819 unsigned is_rect
= target
== TGSI_TEXTURE_RECT
;
1820 unsigned dmask
= 0xf;
1822 if (opcode
== TGSI_OPCODE_TG4
) {
1823 unsigned gather_comp
= 0;
1825 /* DMASK was repurposed for GATHER4. 4 components are always
1826 * returned and DMASK works like a swizzle - it selects
1827 * the component to fetch. The only valid DMASK values are
1828 * 1=red, 2=green, 4=blue, 8=alpha. (e.g. 1 returns
1829 * (red,red,red,red) etc.) The ISA document doesn't mention
1833 /* Get the component index from src1.x for Gather4. */
1834 if (!tgsi_is_shadow_sampler(target
)) {
1835 LLVMValueRef (*imms
)[4] = lp_soa_context(bld_base
)->immediates
;
1836 LLVMValueRef comp_imm
;
1837 struct tgsi_src_register src1
= inst
->Src
[1].Register
;
1839 assert(src1
.File
== TGSI_FILE_IMMEDIATE
);
1841 comp_imm
= imms
[src1
.Index
][src1
.SwizzleX
];
1842 gather_comp
= LLVMConstIntGetZExtValue(comp_imm
);
1843 gather_comp
= CLAMP(gather_comp
, 0, 3);
1846 dmask
= 1 << gather_comp
;
1849 emit_data
->args
[2] = si_shader_ctx
->samplers
[sampler_index
];
1850 emit_data
->args
[3] = lp_build_const_int32(gallivm
, dmask
);
1851 emit_data
->args
[4] = lp_build_const_int32(gallivm
, is_rect
); /* unorm */
1852 emit_data
->args
[5] = lp_build_const_int32(gallivm
, 0); /* r128 */
1853 emit_data
->args
[6] = lp_build_const_int32(gallivm
, is_array
); /* da */
1854 emit_data
->args
[7] = lp_build_const_int32(gallivm
, 0); /* glc */
1855 emit_data
->args
[8] = lp_build_const_int32(gallivm
, 0); /* slc */
1856 emit_data
->args
[9] = lp_build_const_int32(gallivm
, 0); /* tfe */
1857 emit_data
->args
[10] = lp_build_const_int32(gallivm
, 0); /* lwe */
1859 emit_data
->arg_count
= 11;
1861 emit_data
->dst_type
= LLVMVectorType(
1862 LLVMFloatTypeInContext(gallivm
->context
),
1865 emit_data
->args
[2] = si_shader_ctx
->samplers
[sampler_index
];
1866 emit_data
->args
[3] = lp_build_const_int32(gallivm
, target
);
1867 emit_data
->arg_count
= 4;
1869 emit_data
->dst_type
= LLVMVectorType(
1870 LLVMFloatTypeInContext(gallivm
->context
),
1874 /* The fetch opcode has been converted to a 2D array fetch.
1875 * This simplifies the LLVM backend. */
1876 if (target
== TGSI_TEXTURE_CUBE_ARRAY
)
1877 target
= TGSI_TEXTURE_2D_ARRAY
;
1878 else if (target
== TGSI_TEXTURE_SHADOWCUBE_ARRAY
)
1879 target
= TGSI_TEXTURE_SHADOW2D_ARRAY
;
1881 /* Pad to power of two vector */
1882 while (count
< util_next_power_of_two(count
))
1883 address
[count
++] = LLVMGetUndef(LLVMInt32TypeInContext(gallivm
->context
));
1885 emit_data
->args
[0] = lp_build_gather_values(gallivm
, address
, count
);
1888 static void build_tex_intrinsic(const struct lp_build_tgsi_action
* action
,
1889 struct lp_build_tgsi_context
* bld_base
,
1890 struct lp_build_emit_data
* emit_data
)
1892 struct lp_build_context
* base
= &bld_base
->base
;
1893 unsigned opcode
= emit_data
->inst
->Instruction
.Opcode
;
1894 unsigned target
= emit_data
->inst
->Texture
.Texture
;
1895 char intr_name
[127];
1896 bool has_offset
= HAVE_LLVM
>= 0x0305 ?
1897 emit_data
->inst
->Texture
.NumOffsets
> 0 : false;
1899 if (target
== TGSI_TEXTURE_BUFFER
) {
1900 emit_data
->output
[emit_data
->chan
] = build_intrinsic(
1901 base
->gallivm
->builder
,
1902 "llvm.SI.vs.load.input", emit_data
->dst_type
,
1903 emit_data
->args
, emit_data
->arg_count
,
1904 LLVMReadNoneAttribute
| LLVMNoUnwindAttribute
);
1908 if (opcode
== TGSI_OPCODE_TG4
||
1909 opcode
== TGSI_OPCODE_LODQ
||
1910 (opcode
!= TGSI_OPCODE_TXF
&& has_offset
)) {
1911 bool is_shadow
= tgsi_is_shadow_sampler(target
);
1912 const char *name
= "llvm.SI.image.sample";
1913 const char *infix
= "";
1916 case TGSI_OPCODE_TEX
:
1917 case TGSI_OPCODE_TEX2
:
1918 case TGSI_OPCODE_TXP
:
1920 case TGSI_OPCODE_TXB
:
1921 case TGSI_OPCODE_TXB2
:
1924 case TGSI_OPCODE_TXL
:
1925 case TGSI_OPCODE_TXL2
:
1928 case TGSI_OPCODE_TXD
:
1931 case TGSI_OPCODE_TG4
:
1932 name
= "llvm.SI.gather4";
1934 case TGSI_OPCODE_LODQ
:
1935 name
= "llvm.SI.getlod";
1944 /* Add the type and suffixes .c, .o if needed. */
1945 sprintf(intr_name
, "%s%s%s%s.v%ui32", name
,
1946 is_shadow
? ".c" : "", infix
, has_offset
? ".o" : "",
1947 LLVMGetVectorSize(LLVMTypeOf(emit_data
->args
[0])));
1949 emit_data
->output
[emit_data
->chan
] = build_intrinsic(
1950 base
->gallivm
->builder
, intr_name
, emit_data
->dst_type
,
1951 emit_data
->args
, emit_data
->arg_count
,
1952 LLVMReadNoneAttribute
| LLVMNoUnwindAttribute
);
1954 LLVMTypeRef i8
, v16i8
, v32i8
;
1958 case TGSI_OPCODE_TEX
:
1959 case TGSI_OPCODE_TEX2
:
1960 case TGSI_OPCODE_TXP
:
1961 name
= "llvm.SI.sample";
1963 case TGSI_OPCODE_TXB
:
1964 case TGSI_OPCODE_TXB2
:
1965 name
= "llvm.SI.sampleb";
1967 case TGSI_OPCODE_TXD
:
1968 name
= "llvm.SI.sampled";
1970 case TGSI_OPCODE_TXF
:
1971 name
= "llvm.SI.imageload";
1973 case TGSI_OPCODE_TXL
:
1974 case TGSI_OPCODE_TXL2
:
1975 name
= "llvm.SI.samplel";
1982 i8
= LLVMInt8TypeInContext(base
->gallivm
->context
);
1983 v16i8
= LLVMVectorType(i8
, 16);
1984 v32i8
= LLVMVectorType(i8
, 32);
1986 emit_data
->args
[1] = LLVMBuildBitCast(base
->gallivm
->builder
,
1987 emit_data
->args
[1], v32i8
, "");
1988 if (opcode
!= TGSI_OPCODE_TXF
) {
1989 emit_data
->args
[2] = LLVMBuildBitCast(base
->gallivm
->builder
,
1990 emit_data
->args
[2], v16i8
, "");
1993 sprintf(intr_name
, "%s.v%ui32", name
,
1994 LLVMGetVectorSize(LLVMTypeOf(emit_data
->args
[0])));
1996 emit_data
->output
[emit_data
->chan
] = build_intrinsic(
1997 base
->gallivm
->builder
, intr_name
, emit_data
->dst_type
,
1998 emit_data
->args
, emit_data
->arg_count
,
1999 LLVMReadNoneAttribute
| LLVMNoUnwindAttribute
);
2003 static void txq_fetch_args(
2004 struct lp_build_tgsi_context
* bld_base
,
2005 struct lp_build_emit_data
* emit_data
)
2007 struct si_shader_context
*si_shader_ctx
= si_shader_context(bld_base
);
2008 const struct tgsi_full_instruction
*inst
= emit_data
->inst
;
2009 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
2010 unsigned target
= inst
->Texture
.Texture
;
2012 if (target
== TGSI_TEXTURE_BUFFER
) {
2013 LLVMTypeRef i32
= LLVMInt32TypeInContext(gallivm
->context
);
2014 LLVMTypeRef v8i32
= LLVMVectorType(i32
, 8);
2016 /* Read the size from the buffer descriptor directly. */
2017 LLVMValueRef size
= si_shader_ctx
->resources
[inst
->Src
[1].Register
.Index
];
2018 size
= LLVMBuildBitCast(gallivm
->builder
, size
, v8i32
, "");
2019 size
= LLVMBuildExtractElement(gallivm
->builder
, size
,
2020 lp_build_const_int32(gallivm
, 2), "");
2021 emit_data
->args
[0] = size
;
2026 emit_data
->args
[0] = lp_build_emit_fetch(bld_base
, inst
, 0, TGSI_CHAN_X
);
2029 emit_data
->args
[1] = si_shader_ctx
->resources
[inst
->Src
[1].Register
.Index
];
2031 /* Texture target */
2032 if (target
== TGSI_TEXTURE_CUBE_ARRAY
||
2033 target
== TGSI_TEXTURE_SHADOWCUBE_ARRAY
)
2034 target
= TGSI_TEXTURE_2D_ARRAY
;
2036 emit_data
->args
[2] = lp_build_const_int32(bld_base
->base
.gallivm
,
2039 emit_data
->arg_count
= 3;
2041 emit_data
->dst_type
= LLVMVectorType(
2042 LLVMInt32TypeInContext(bld_base
->base
.gallivm
->context
),
2046 static void build_txq_intrinsic(const struct lp_build_tgsi_action
* action
,
2047 struct lp_build_tgsi_context
* bld_base
,
2048 struct lp_build_emit_data
* emit_data
)
2050 unsigned target
= emit_data
->inst
->Texture
.Texture
;
2052 if (target
== TGSI_TEXTURE_BUFFER
) {
2053 /* Just return the buffer size. */
2054 emit_data
->output
[emit_data
->chan
] = emit_data
->args
[0];
2058 build_tgsi_intrinsic_nomem(action
, bld_base
, emit_data
);
2060 /* Divide the number of layers by 6 to get the number of cubes. */
2061 if (target
== TGSI_TEXTURE_CUBE_ARRAY
||
2062 target
== TGSI_TEXTURE_SHADOWCUBE_ARRAY
) {
2063 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
2064 LLVMValueRef two
= lp_build_const_int32(bld_base
->base
.gallivm
, 2);
2065 LLVMValueRef six
= lp_build_const_int32(bld_base
->base
.gallivm
, 6);
2067 LLVMValueRef v4
= emit_data
->output
[emit_data
->chan
];
2068 LLVMValueRef z
= LLVMBuildExtractElement(builder
, v4
, two
, "");
2069 z
= LLVMBuildSDiv(builder
, z
, six
, "");
2071 emit_data
->output
[emit_data
->chan
] =
2072 LLVMBuildInsertElement(builder
, v4
, z
, two
, "");
2076 static void si_llvm_emit_ddxy(
2077 const struct lp_build_tgsi_action
* action
,
2078 struct lp_build_tgsi_context
* bld_base
,
2079 struct lp_build_emit_data
* emit_data
)
2081 struct si_shader_context
*si_shader_ctx
= si_shader_context(bld_base
);
2082 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
2083 struct lp_build_context
* base
= &bld_base
->base
;
2084 const struct tgsi_full_instruction
*inst
= emit_data
->inst
;
2085 unsigned opcode
= inst
->Instruction
.Opcode
;
2086 LLVMValueRef indices
[2];
2087 LLVMValueRef store_ptr
, load_ptr0
, load_ptr1
;
2088 LLVMValueRef tl
, trbl
, result
[4];
2090 unsigned swizzle
[4];
2093 i32
= LLVMInt32TypeInContext(gallivm
->context
);
2095 indices
[0] = bld_base
->uint_bld
.zero
;
2096 indices
[1] = build_intrinsic(gallivm
->builder
, "llvm.SI.tid", i32
,
2097 NULL
, 0, LLVMReadNoneAttribute
);
2098 store_ptr
= LLVMBuildGEP(gallivm
->builder
, si_shader_ctx
->ddxy_lds
,
2101 indices
[1] = LLVMBuildAnd(gallivm
->builder
, indices
[1],
2102 lp_build_const_int32(gallivm
, 0xfffffffc), "");
2103 load_ptr0
= LLVMBuildGEP(gallivm
->builder
, si_shader_ctx
->ddxy_lds
,
2106 indices
[1] = LLVMBuildAdd(gallivm
->builder
, indices
[1],
2107 lp_build_const_int32(gallivm
,
2108 opcode
== TGSI_OPCODE_DDX
? 1 : 2),
2110 load_ptr1
= LLVMBuildGEP(gallivm
->builder
, si_shader_ctx
->ddxy_lds
,
2113 for (c
= 0; c
< 4; ++c
) {
2116 swizzle
[c
] = tgsi_util_get_full_src_register_swizzle(&inst
->Src
[0], c
);
2117 for (i
= 0; i
< c
; ++i
) {
2118 if (swizzle
[i
] == swizzle
[c
]) {
2119 result
[c
] = result
[i
];
2126 LLVMBuildStore(gallivm
->builder
,
2127 LLVMBuildBitCast(gallivm
->builder
,
2128 lp_build_emit_fetch(bld_base
, inst
, 0, c
),
2132 tl
= LLVMBuildLoad(gallivm
->builder
, load_ptr0
, "");
2133 tl
= LLVMBuildBitCast(gallivm
->builder
, tl
, base
->elem_type
, "");
2135 trbl
= LLVMBuildLoad(gallivm
->builder
, load_ptr1
, "");
2136 trbl
= LLVMBuildBitCast(gallivm
->builder
, trbl
, base
->elem_type
, "");
2138 result
[c
] = LLVMBuildFSub(gallivm
->builder
, trbl
, tl
, "");
2141 emit_data
->output
[0] = lp_build_gather_values(gallivm
, result
, 4);
2144 /* Emit one vertex from the geometry shader */
2145 static void si_llvm_emit_vertex(
2146 const struct lp_build_tgsi_action
*action
,
2147 struct lp_build_tgsi_context
*bld_base
,
2148 struct lp_build_emit_data
*emit_data
)
2150 struct si_shader_context
*si_shader_ctx
= si_shader_context(bld_base
);
2151 struct lp_build_context
*uint
= &bld_base
->uint_bld
;
2152 struct si_shader
*shader
= si_shader_ctx
->shader
;
2153 struct tgsi_shader_info
*info
= &shader
->selector
->info
;
2154 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
2155 LLVMTypeRef i32
= LLVMInt32TypeInContext(gallivm
->context
);
2156 LLVMValueRef soffset
= LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
,
2157 SI_PARAM_GS2VS_OFFSET
);
2158 LLVMValueRef gs_next_vertex
;
2159 LLVMValueRef can_emit
, kill
;
2160 LLVMValueRef t_list_ptr
;
2161 LLVMValueRef t_list
;
2162 LLVMValueRef args
[2];
2166 /* Load the GSVS ring resource descriptor */
2167 t_list_ptr
= LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
,
2168 SI_PARAM_RW_BUFFERS
);
2169 t_list
= build_indexed_load(si_shader_ctx
, t_list_ptr
,
2170 lp_build_const_int32(gallivm
, SI_RING_GSVS
));
2172 /* Write vertex attribute values to GSVS ring */
2173 gs_next_vertex
= LLVMBuildLoad(gallivm
->builder
, si_shader_ctx
->gs_next_vertex
, "");
2175 /* If this thread has already emitted the declared maximum number of
2176 * vertices, kill it: excessive vertex emissions are not supposed to
2177 * have any effect, and GS threads have no externally observable
2178 * effects other than emitting vertices.
2180 can_emit
= LLVMBuildICmp(gallivm
->builder
, LLVMIntULE
, gs_next_vertex
,
2181 lp_build_const_int32(gallivm
,
2182 shader
->selector
->gs_max_out_vertices
), "");
2183 kill
= lp_build_select(&bld_base
->base
, can_emit
,
2184 lp_build_const_float(gallivm
, 1.0f
),
2185 lp_build_const_float(gallivm
, -1.0f
));
2186 build_intrinsic(gallivm
->builder
, "llvm.AMDGPU.kill",
2187 LLVMVoidTypeInContext(gallivm
->context
), &kill
, 1, 0);
2189 for (i
= 0; i
< info
->num_outputs
; i
++) {
2190 LLVMValueRef
*out_ptr
=
2191 si_shader_ctx
->radeon_bld
.soa
.outputs
[i
];
2193 for (chan
= 0; chan
< 4; chan
++) {
2194 LLVMValueRef out_val
= LLVMBuildLoad(gallivm
->builder
, out_ptr
[chan
], "");
2195 LLVMValueRef voffset
=
2196 lp_build_const_int32(gallivm
, (i
* 4 + chan
) *
2197 shader
->selector
->gs_max_out_vertices
);
2199 voffset
= lp_build_add(uint
, voffset
, gs_next_vertex
);
2200 voffset
= lp_build_mul_imm(uint
, voffset
, 4);
2202 out_val
= LLVMBuildBitCast(gallivm
->builder
, out_val
, i32
, "");
2204 build_tbuffer_store(si_shader_ctx
, t_list
, out_val
, 1,
2205 voffset
, soffset
, 0,
2206 V_008F0C_BUF_DATA_FORMAT_32
,
2207 V_008F0C_BUF_NUM_FORMAT_UINT
,
2211 gs_next_vertex
= lp_build_add(uint
, gs_next_vertex
,
2212 lp_build_const_int32(gallivm
, 1));
2213 LLVMBuildStore(gallivm
->builder
, gs_next_vertex
, si_shader_ctx
->gs_next_vertex
);
2215 /* Signal vertex emission */
2216 args
[0] = lp_build_const_int32(gallivm
, SENDMSG_GS_OP_EMIT
| SENDMSG_GS
);
2217 args
[1] = LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
, SI_PARAM_GS_WAVE_ID
);
2218 build_intrinsic(gallivm
->builder
, "llvm.SI.sendmsg",
2219 LLVMVoidTypeInContext(gallivm
->context
), args
, 2,
2220 LLVMNoUnwindAttribute
);
2223 /* Cut one primitive from the geometry shader */
2224 static void si_llvm_emit_primitive(
2225 const struct lp_build_tgsi_action
*action
,
2226 struct lp_build_tgsi_context
*bld_base
,
2227 struct lp_build_emit_data
*emit_data
)
2229 struct si_shader_context
*si_shader_ctx
= si_shader_context(bld_base
);
2230 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
2231 LLVMValueRef args
[2];
2233 /* Signal primitive cut */
2234 args
[0] = lp_build_const_int32(gallivm
, SENDMSG_GS_OP_CUT
| SENDMSG_GS
);
2235 args
[1] = LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
, SI_PARAM_GS_WAVE_ID
);
2236 build_intrinsic(gallivm
->builder
, "llvm.SI.sendmsg",
2237 LLVMVoidTypeInContext(gallivm
->context
), args
, 2,
2238 LLVMNoUnwindAttribute
);
2241 static const struct lp_build_tgsi_action tex_action
= {
2242 .fetch_args
= tex_fetch_args
,
2243 .emit
= build_tex_intrinsic
,
2246 static const struct lp_build_tgsi_action txq_action
= {
2247 .fetch_args
= txq_fetch_args
,
2248 .emit
= build_txq_intrinsic
,
2249 .intr_name
= "llvm.SI.resinfo"
2252 static void create_meta_data(struct si_shader_context
*si_shader_ctx
)
2254 struct gallivm_state
*gallivm
= si_shader_ctx
->radeon_bld
.soa
.bld_base
.base
.gallivm
;
2255 LLVMValueRef args
[3];
2257 args
[0] = LLVMMDStringInContext(gallivm
->context
, "const", 5);
2259 args
[2] = lp_build_const_int32(gallivm
, 1);
2261 si_shader_ctx
->const_md
= LLVMMDNodeInContext(gallivm
->context
, args
, 3);
2264 static LLVMTypeRef
const_array(LLVMTypeRef elem_type
, int num_elements
)
2266 return LLVMPointerType(LLVMArrayType(elem_type
, num_elements
),
2270 static void create_function(struct si_shader_context
*si_shader_ctx
)
2272 struct lp_build_tgsi_context
*bld_base
= &si_shader_ctx
->radeon_bld
.soa
.bld_base
;
2273 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
2274 struct si_shader
*shader
= si_shader_ctx
->shader
;
2275 LLVMTypeRef params
[SI_NUM_PARAMS
], f32
, i8
, i32
, v2i32
, v3i32
, v16i8
, v4i32
, v8i32
;
2276 unsigned i
, last_array_pointer
, last_sgpr
, num_params
;
2278 i8
= LLVMInt8TypeInContext(gallivm
->context
);
2279 i32
= LLVMInt32TypeInContext(gallivm
->context
);
2280 f32
= LLVMFloatTypeInContext(gallivm
->context
);
2281 v2i32
= LLVMVectorType(i32
, 2);
2282 v3i32
= LLVMVectorType(i32
, 3);
2283 v4i32
= LLVMVectorType(i32
, 4);
2284 v8i32
= LLVMVectorType(i32
, 8);
2285 v16i8
= LLVMVectorType(i8
, 16);
2287 params
[SI_PARAM_RW_BUFFERS
] = const_array(v16i8
, SI_NUM_RW_BUFFERS
);
2288 params
[SI_PARAM_CONST
] = const_array(v16i8
, SI_NUM_CONST_BUFFERS
);
2289 params
[SI_PARAM_SAMPLER
] = const_array(v4i32
, SI_NUM_SAMPLER_STATES
);
2290 params
[SI_PARAM_RESOURCE
] = const_array(v8i32
, SI_NUM_SAMPLER_VIEWS
);
2291 last_array_pointer
= SI_PARAM_RESOURCE
;
2293 switch (si_shader_ctx
->type
) {
2294 case TGSI_PROCESSOR_VERTEX
:
2295 params
[SI_PARAM_VERTEX_BUFFER
] = const_array(v16i8
, SI_NUM_VERTEX_BUFFERS
);
2296 last_array_pointer
= SI_PARAM_VERTEX_BUFFER
;
2297 params
[SI_PARAM_BASE_VERTEX
] = i32
;
2298 params
[SI_PARAM_START_INSTANCE
] = i32
;
2299 num_params
= SI_PARAM_START_INSTANCE
+1;
2301 if (shader
->key
.vs
.as_es
) {
2302 params
[SI_PARAM_ES2GS_OFFSET
] = i32
;
2305 if (shader
->is_gs_copy_shader
) {
2306 last_array_pointer
= SI_PARAM_CONST
;
2307 num_params
= SI_PARAM_CONST
+1;
2310 /* The locations of the other parameters are assigned dynamically. */
2312 /* Streamout SGPRs. */
2313 if (shader
->selector
->so
.num_outputs
) {
2314 params
[si_shader_ctx
->param_streamout_config
= num_params
++] = i32
;
2315 params
[si_shader_ctx
->param_streamout_write_index
= num_params
++] = i32
;
2317 /* A streamout buffer offset is loaded if the stride is non-zero. */
2318 for (i
= 0; i
< 4; i
++) {
2319 if (!shader
->selector
->so
.stride
[i
])
2322 params
[si_shader_ctx
->param_streamout_offset
[i
] = num_params
++] = i32
;
2326 last_sgpr
= num_params
-1;
2329 params
[si_shader_ctx
->param_vertex_id
= num_params
++] = i32
;
2330 params
[num_params
++] = i32
; /* unused*/
2331 params
[num_params
++] = i32
; /* unused */
2332 params
[si_shader_ctx
->param_instance_id
= num_params
++] = i32
;
2335 case TGSI_PROCESSOR_GEOMETRY
:
2336 params
[SI_PARAM_GS2VS_OFFSET
] = i32
;
2337 params
[SI_PARAM_GS_WAVE_ID
] = i32
;
2338 last_sgpr
= SI_PARAM_GS_WAVE_ID
;
2341 params
[SI_PARAM_VTX0_OFFSET
] = i32
;
2342 params
[SI_PARAM_VTX1_OFFSET
] = i32
;
2343 params
[SI_PARAM_PRIMITIVE_ID
] = i32
;
2344 params
[SI_PARAM_VTX2_OFFSET
] = i32
;
2345 params
[SI_PARAM_VTX3_OFFSET
] = i32
;
2346 params
[SI_PARAM_VTX4_OFFSET
] = i32
;
2347 params
[SI_PARAM_VTX5_OFFSET
] = i32
;
2348 params
[SI_PARAM_GS_INSTANCE_ID
] = i32
;
2349 num_params
= SI_PARAM_GS_INSTANCE_ID
+1;
2352 case TGSI_PROCESSOR_FRAGMENT
:
2353 params
[SI_PARAM_ALPHA_REF
] = f32
;
2354 params
[SI_PARAM_PRIM_MASK
] = i32
;
2355 last_sgpr
= SI_PARAM_PRIM_MASK
;
2356 params
[SI_PARAM_PERSP_SAMPLE
] = v2i32
;
2357 params
[SI_PARAM_PERSP_CENTER
] = v2i32
;
2358 params
[SI_PARAM_PERSP_CENTROID
] = v2i32
;
2359 params
[SI_PARAM_PERSP_PULL_MODEL
] = v3i32
;
2360 params
[SI_PARAM_LINEAR_SAMPLE
] = v2i32
;
2361 params
[SI_PARAM_LINEAR_CENTER
] = v2i32
;
2362 params
[SI_PARAM_LINEAR_CENTROID
] = v2i32
;
2363 params
[SI_PARAM_LINE_STIPPLE_TEX
] = f32
;
2364 params
[SI_PARAM_POS_X_FLOAT
] = f32
;
2365 params
[SI_PARAM_POS_Y_FLOAT
] = f32
;
2366 params
[SI_PARAM_POS_Z_FLOAT
] = f32
;
2367 params
[SI_PARAM_POS_W_FLOAT
] = f32
;
2368 params
[SI_PARAM_FRONT_FACE
] = f32
;
2369 params
[SI_PARAM_ANCILLARY
] = i32
;
2370 params
[SI_PARAM_SAMPLE_COVERAGE
] = f32
;
2371 params
[SI_PARAM_POS_FIXED_PT
] = f32
;
2372 num_params
= SI_PARAM_POS_FIXED_PT
+1;
2376 assert(0 && "unimplemented shader");
2380 assert(num_params
<= Elements(params
));
2381 radeon_llvm_create_func(&si_shader_ctx
->radeon_bld
, params
, num_params
);
2382 radeon_llvm_shader_type(si_shader_ctx
->radeon_bld
.main_fn
, si_shader_ctx
->type
);
2384 for (i
= 0; i
<= last_sgpr
; ++i
) {
2385 LLVMValueRef P
= LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
, i
);
2387 /* We tell llvm that array inputs are passed by value to allow Sinking pass
2388 * to move load. Inputs are constant so this is fine. */
2389 if (i
<= last_array_pointer
)
2390 LLVMAddAttribute(P
, LLVMByValAttribute
);
2392 LLVMAddAttribute(P
, LLVMInRegAttribute
);
2395 if (bld_base
->info
&&
2396 (bld_base
->info
->opcode_count
[TGSI_OPCODE_DDX
] > 0 ||
2397 bld_base
->info
->opcode_count
[TGSI_OPCODE_DDY
] > 0))
2398 si_shader_ctx
->ddxy_lds
=
2399 LLVMAddGlobalInAddressSpace(gallivm
->module
,
2400 LLVMArrayType(i32
, 64),
2405 static void preload_constants(struct si_shader_context
*si_shader_ctx
)
2407 struct lp_build_tgsi_context
* bld_base
= &si_shader_ctx
->radeon_bld
.soa
.bld_base
;
2408 struct gallivm_state
* gallivm
= bld_base
->base
.gallivm
;
2409 const struct tgsi_shader_info
* info
= bld_base
->info
;
2411 LLVMValueRef ptr
= LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
, SI_PARAM_CONST
);
2413 for (buf
= 0; buf
< SI_NUM_CONST_BUFFERS
; buf
++) {
2414 unsigned i
, num_const
= info
->const_file_max
[buf
] + 1;
2419 /* Allocate space for the constant values */
2420 si_shader_ctx
->constants
[buf
] = CALLOC(num_const
* 4, sizeof(LLVMValueRef
));
2422 /* Load the resource descriptor */
2423 si_shader_ctx
->const_resource
[buf
] =
2424 build_indexed_load(si_shader_ctx
, ptr
, lp_build_const_int32(gallivm
, buf
));
2426 /* Load the constants, we rely on the code sinking to do the rest */
2427 for (i
= 0; i
< num_const
* 4; ++i
) {
2428 si_shader_ctx
->constants
[buf
][i
] =
2429 load_const(gallivm
->builder
,
2430 si_shader_ctx
->const_resource
[buf
],
2431 lp_build_const_int32(gallivm
, i
* 4),
2432 bld_base
->base
.elem_type
);
2437 static void preload_samplers(struct si_shader_context
*si_shader_ctx
)
2439 struct lp_build_tgsi_context
* bld_base
= &si_shader_ctx
->radeon_bld
.soa
.bld_base
;
2440 struct gallivm_state
* gallivm
= bld_base
->base
.gallivm
;
2441 const struct tgsi_shader_info
* info
= bld_base
->info
;
2443 unsigned i
, num_samplers
= info
->file_max
[TGSI_FILE_SAMPLER
] + 1;
2445 LLVMValueRef res_ptr
, samp_ptr
;
2446 LLVMValueRef offset
;
2448 if (num_samplers
== 0)
2451 /* Allocate space for the values */
2452 si_shader_ctx
->resources
= CALLOC(SI_NUM_SAMPLER_VIEWS
, sizeof(LLVMValueRef
));
2453 si_shader_ctx
->samplers
= CALLOC(num_samplers
, sizeof(LLVMValueRef
));
2455 res_ptr
= LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
, SI_PARAM_RESOURCE
);
2456 samp_ptr
= LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
, SI_PARAM_SAMPLER
);
2458 /* Load the resources and samplers, we rely on the code sinking to do the rest */
2459 for (i
= 0; i
< num_samplers
; ++i
) {
2461 offset
= lp_build_const_int32(gallivm
, i
);
2462 si_shader_ctx
->resources
[i
] = build_indexed_load(si_shader_ctx
, res_ptr
, offset
);
2465 offset
= lp_build_const_int32(gallivm
, i
);
2466 si_shader_ctx
->samplers
[i
] = build_indexed_load(si_shader_ctx
, samp_ptr
, offset
);
2468 /* FMASK resource */
2469 if (info
->is_msaa_sampler
[i
]) {
2470 offset
= lp_build_const_int32(gallivm
, SI_FMASK_TEX_OFFSET
+ i
);
2471 si_shader_ctx
->resources
[SI_FMASK_TEX_OFFSET
+ i
] =
2472 build_indexed_load(si_shader_ctx
, res_ptr
, offset
);
2477 static void preload_streamout_buffers(struct si_shader_context
*si_shader_ctx
)
2479 struct lp_build_tgsi_context
* bld_base
= &si_shader_ctx
->radeon_bld
.soa
.bld_base
;
2480 struct gallivm_state
* gallivm
= bld_base
->base
.gallivm
;
2483 if (si_shader_ctx
->type
!= TGSI_PROCESSOR_VERTEX
||
2484 si_shader_ctx
->shader
->key
.vs
.as_es
||
2485 !si_shader_ctx
->shader
->selector
->so
.num_outputs
)
2488 LLVMValueRef buf_ptr
= LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
,
2489 SI_PARAM_RW_BUFFERS
);
2491 /* Load the resources, we rely on the code sinking to do the rest */
2492 for (i
= 0; i
< 4; ++i
) {
2493 if (si_shader_ctx
->shader
->selector
->so
.stride
[i
]) {
2494 LLVMValueRef offset
= lp_build_const_int32(gallivm
,
2495 SI_SO_BUF_OFFSET
+ i
);
2497 si_shader_ctx
->so_buffers
[i
] = build_indexed_load(si_shader_ctx
, buf_ptr
, offset
);
2502 int si_compile_llvm(struct si_screen
*sscreen
, struct si_shader
*shader
,
2505 unsigned r
; /* llvm_compile result */
2508 struct radeon_shader_binary binary
;
2509 bool dump
= r600_can_dump_shader(&sscreen
->b
,
2510 shader
->selector
? shader
->selector
->tokens
: NULL
);
2511 const char * gpu_family
= r600_get_llvm_processor_name(sscreen
->b
.family
);
2514 /* Use LLVM to compile shader */
2515 memset(&binary
, 0, sizeof(binary
));
2516 r
= radeon_llvm_compile(mod
, &binary
, gpu_family
, dump
);
2518 /* Output binary dump if rscreen->debug_flags are set */
2519 if (dump
&& ! binary
.disassembled
) {
2520 fprintf(stderr
, "SI CODE:\n");
2521 for (i
= 0; i
< binary
.code_size
; i
+=4 ) {
2522 fprintf(stderr
, "%02x%02x%02x%02x\n", binary
.code
[i
+ 3],
2523 binary
.code
[i
+ 2], binary
.code
[i
+ 1],
2528 /* XXX: We may be able to emit some of these values directly rather than
2529 * extracting fields to be emitted later.
2531 /* Parse config data in compiled binary */
2532 for (i
= 0; i
< binary
.config_size
; i
+= 8) {
2533 unsigned reg
= util_le32_to_cpu(*(uint32_t*)(binary
.config
+ i
));
2534 unsigned value
= util_le32_to_cpu(*(uint32_t*)(binary
.config
+ i
+ 4));
2536 case R_00B028_SPI_SHADER_PGM_RSRC1_PS
:
2537 case R_00B128_SPI_SHADER_PGM_RSRC1_VS
:
2538 case R_00B228_SPI_SHADER_PGM_RSRC1_GS
:
2539 case R_00B848_COMPUTE_PGM_RSRC1
:
2540 shader
->num_sgprs
= (G_00B028_SGPRS(value
) + 1) * 8;
2541 shader
->num_vgprs
= (G_00B028_VGPRS(value
) + 1) * 4;
2543 case R_00B02C_SPI_SHADER_PGM_RSRC2_PS
:
2544 shader
->lds_size
= G_00B02C_EXTRA_LDS_SIZE(value
);
2546 case R_00B84C_COMPUTE_PGM_RSRC2
:
2547 shader
->lds_size
= G_00B84C_LDS_SIZE(value
);
2549 case R_0286CC_SPI_PS_INPUT_ENA
:
2550 shader
->spi_ps_input_ena
= value
;
2552 case R_00B860_COMPUTE_TMPRING_SIZE
:
2553 /* WAVESIZE is in units of 256 dwords. */
2554 shader
->scratch_bytes_per_wave
=
2555 G_00B860_WAVESIZE(value
) * 256 * 4 * 1;
2558 fprintf(stderr
, "Warning: Compiler emitted unknown "
2559 "config register: 0x%x\n", reg
);
2564 /* copy new shader */
2565 code_size
= binary
.code_size
+ binary
.rodata_size
;
2566 r600_resource_reference(&shader
->bo
, NULL
);
2567 shader
->bo
= si_resource_create_custom(&sscreen
->b
.b
, PIPE_USAGE_IMMUTABLE
,
2569 if (shader
->bo
== NULL
) {
2573 ptr
= sscreen
->b
.ws
->buffer_map(shader
->bo
->cs_buf
, NULL
, PIPE_TRANSFER_WRITE
);
2574 util_memcpy_cpu_to_le32(ptr
, binary
.code
, binary
.code_size
);
2575 if (binary
.rodata_size
> 0) {
2576 ptr
+= binary
.code_size
;
2577 util_memcpy_cpu_to_le32(ptr
, binary
.rodata
, binary
.rodata_size
);
2580 sscreen
->b
.ws
->buffer_unmap(shader
->bo
->cs_buf
);
2583 free(binary
.config
);
2584 free(binary
.rodata
);
2589 /* Generate code for the hardware VS shader stage to go with a geometry shader */
2590 static int si_generate_gs_copy_shader(struct si_screen
*sscreen
,
2591 struct si_shader_context
*si_shader_ctx
,
2592 struct si_shader
*gs
, bool dump
)
2594 struct gallivm_state
*gallivm
= &si_shader_ctx
->radeon_bld
.gallivm
;
2595 struct lp_build_tgsi_context
*bld_base
= &si_shader_ctx
->radeon_bld
.soa
.bld_base
;
2596 struct lp_build_context
*base
= &bld_base
->base
;
2597 struct lp_build_context
*uint
= &bld_base
->uint_bld
;
2598 struct si_shader
*shader
= si_shader_ctx
->shader
;
2599 struct si_shader_output_values
*outputs
;
2600 struct tgsi_shader_info
*gsinfo
= &gs
->selector
->info
;
2601 LLVMValueRef t_list_ptr
, t_list
;
2602 LLVMValueRef args
[9];
2605 outputs
= MALLOC(gsinfo
->num_outputs
* sizeof(outputs
[0]));
2607 si_shader_ctx
->type
= TGSI_PROCESSOR_VERTEX
;
2608 shader
->is_gs_copy_shader
= true;
2610 radeon_llvm_context_init(&si_shader_ctx
->radeon_bld
);
2612 create_meta_data(si_shader_ctx
);
2613 create_function(si_shader_ctx
);
2614 preload_streamout_buffers(si_shader_ctx
);
2616 /* Load the GSVS ring resource descriptor */
2617 t_list_ptr
= LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
,
2618 SI_PARAM_RW_BUFFERS
);
2619 t_list
= build_indexed_load(si_shader_ctx
, t_list_ptr
,
2620 lp_build_const_int32(gallivm
, SI_RING_GSVS
));
2623 args
[1] = lp_build_mul_imm(uint
,
2624 LLVMGetParam(si_shader_ctx
->radeon_bld
.main_fn
,
2625 si_shader_ctx
->param_vertex_id
),
2627 args
[3] = uint
->zero
;
2628 args
[4] = uint
->one
; /* OFFEN */
2629 args
[5] = uint
->zero
; /* IDXEN */
2630 args
[6] = uint
->one
; /* GLC */
2631 args
[7] = uint
->one
; /* SLC */
2632 args
[8] = uint
->zero
; /* TFE */
2634 /* Fetch vertex data from GSVS ring */
2635 for (i
= 0; i
< gsinfo
->num_outputs
; ++i
) {
2638 outputs
[i
].name
= gsinfo
->output_semantic_name
[i
];
2639 outputs
[i
].sid
= gsinfo
->output_semantic_index
[i
];
2641 for (chan
= 0; chan
< 4; chan
++) {
2642 args
[2] = lp_build_const_int32(gallivm
,
2644 gs
->selector
->gs_max_out_vertices
* 16 * 4);
2646 outputs
[i
].values
[chan
] =
2647 LLVMBuildBitCast(gallivm
->builder
,
2648 build_intrinsic(gallivm
->builder
,
2649 "llvm.SI.buffer.load.dword.i32.i32",
2650 LLVMInt32TypeInContext(gallivm
->context
),
2652 LLVMReadOnlyAttribute
| LLVMNoUnwindAttribute
),
2653 base
->elem_type
, "");
2657 si_llvm_export_vs(bld_base
, outputs
, gsinfo
->num_outputs
);
2659 radeon_llvm_finalize_module(&si_shader_ctx
->radeon_bld
);
2662 fprintf(stderr
, "Copy Vertex Shader for Geometry Shader:\n\n");
2664 r
= si_compile_llvm(sscreen
, si_shader_ctx
->shader
,
2665 bld_base
->base
.gallivm
->module
);
2667 radeon_llvm_dispose(&si_shader_ctx
->radeon_bld
);
2673 int si_shader_create(struct si_screen
*sscreen
, struct si_shader
*shader
)
2675 struct si_shader_selector
*sel
= shader
->selector
;
2676 struct si_shader_context si_shader_ctx
;
2677 struct lp_build_tgsi_context
* bld_base
;
2680 bool dump
= r600_can_dump_shader(&sscreen
->b
, sel
->tokens
);
2682 /* Dump TGSI code before doing TGSI->LLVM conversion in case the
2683 * conversion fails. */
2685 tgsi_dump(sel
->tokens
, 0);
2686 si_dump_streamout(&sel
->so
);
2689 assert(shader
->nparam
== 0);
2691 memset(&si_shader_ctx
, 0, sizeof(si_shader_ctx
));
2692 radeon_llvm_context_init(&si_shader_ctx
.radeon_bld
);
2693 bld_base
= &si_shader_ctx
.radeon_bld
.soa
.bld_base
;
2695 if (sel
->info
.uses_kill
)
2696 shader
->db_shader_control
|= S_02880C_KILL_ENABLE(1);
2698 shader
->uses_instanceid
= sel
->info
.uses_instanceid
;
2699 bld_base
->info
= &sel
->info
;
2700 bld_base
->emit_fetch_funcs
[TGSI_FILE_CONSTANT
] = fetch_constant
;
2702 bld_base
->op_actions
[TGSI_OPCODE_TEX
] = tex_action
;
2703 bld_base
->op_actions
[TGSI_OPCODE_TEX2
] = tex_action
;
2704 bld_base
->op_actions
[TGSI_OPCODE_TXB
] = tex_action
;
2705 bld_base
->op_actions
[TGSI_OPCODE_TXB2
] = tex_action
;
2706 bld_base
->op_actions
[TGSI_OPCODE_TXD
] = tex_action
;
2707 bld_base
->op_actions
[TGSI_OPCODE_TXF
] = tex_action
;
2708 bld_base
->op_actions
[TGSI_OPCODE_TXL
] = tex_action
;
2709 bld_base
->op_actions
[TGSI_OPCODE_TXL2
] = tex_action
;
2710 bld_base
->op_actions
[TGSI_OPCODE_TXP
] = tex_action
;
2711 bld_base
->op_actions
[TGSI_OPCODE_TXQ
] = txq_action
;
2712 bld_base
->op_actions
[TGSI_OPCODE_TG4
] = tex_action
;
2713 bld_base
->op_actions
[TGSI_OPCODE_LODQ
] = tex_action
;
2715 bld_base
->op_actions
[TGSI_OPCODE_DDX
].emit
= si_llvm_emit_ddxy
;
2716 bld_base
->op_actions
[TGSI_OPCODE_DDY
].emit
= si_llvm_emit_ddxy
;
2718 bld_base
->op_actions
[TGSI_OPCODE_EMIT
].emit
= si_llvm_emit_vertex
;
2719 bld_base
->op_actions
[TGSI_OPCODE_ENDPRIM
].emit
= si_llvm_emit_primitive
;
2721 si_shader_ctx
.radeon_bld
.load_system_value
= declare_system_value
;
2722 si_shader_ctx
.tokens
= sel
->tokens
;
2723 tgsi_parse_init(&si_shader_ctx
.parse
, si_shader_ctx
.tokens
);
2724 si_shader_ctx
.shader
= shader
;
2725 si_shader_ctx
.type
= si_shader_ctx
.parse
.FullHeader
.Processor
.Processor
;
2727 switch (si_shader_ctx
.type
) {
2728 case TGSI_PROCESSOR_VERTEX
:
2729 si_shader_ctx
.radeon_bld
.load_input
= declare_input_vs
;
2730 if (shader
->key
.vs
.as_es
) {
2731 bld_base
->emit_epilogue
= si_llvm_emit_es_epilogue
;
2733 bld_base
->emit_epilogue
= si_llvm_emit_vs_epilogue
;
2736 case TGSI_PROCESSOR_GEOMETRY
:
2737 bld_base
->emit_fetch_funcs
[TGSI_FILE_INPUT
] = fetch_input_gs
;
2738 bld_base
->emit_epilogue
= si_llvm_emit_gs_epilogue
;
2740 case TGSI_PROCESSOR_FRAGMENT
:
2741 si_shader_ctx
.radeon_bld
.load_input
= declare_input_fs
;
2742 bld_base
->emit_epilogue
= si_llvm_emit_fs_epilogue
;
2744 switch (sel
->info
.properties
[TGSI_PROPERTY_FS_DEPTH_LAYOUT
]) {
2745 case TGSI_FS_DEPTH_LAYOUT_GREATER
:
2746 shader
->db_shader_control
|=
2747 S_02880C_CONSERVATIVE_Z_EXPORT(V_02880C_EXPORT_GREATER_THAN_Z
);
2749 case TGSI_FS_DEPTH_LAYOUT_LESS
:
2750 shader
->db_shader_control
|=
2751 S_02880C_CONSERVATIVE_Z_EXPORT(V_02880C_EXPORT_LESS_THAN_Z
);
2756 assert(!"Unsupported shader type");
2760 create_meta_data(&si_shader_ctx
);
2761 create_function(&si_shader_ctx
);
2762 preload_constants(&si_shader_ctx
);
2763 preload_samplers(&si_shader_ctx
);
2764 preload_streamout_buffers(&si_shader_ctx
);
2766 if (si_shader_ctx
.type
== TGSI_PROCESSOR_GEOMETRY
) {
2767 si_shader_ctx
.gs_next_vertex
=
2768 lp_build_alloca(bld_base
->base
.gallivm
,
2769 bld_base
->uint_bld
.elem_type
, "");
2772 if (!lp_build_tgsi_llvm(bld_base
, sel
->tokens
)) {
2773 fprintf(stderr
, "Failed to translate shader from TGSI to LLVM\n");
2777 radeon_llvm_finalize_module(&si_shader_ctx
.radeon_bld
);
2779 mod
= bld_base
->base
.gallivm
->module
;
2780 r
= si_compile_llvm(sscreen
, shader
, mod
);
2782 fprintf(stderr
, "LLVM failed to compile shader\n");
2786 radeon_llvm_dispose(&si_shader_ctx
.radeon_bld
);
2788 if (si_shader_ctx
.type
== TGSI_PROCESSOR_GEOMETRY
) {
2789 shader
->gs_copy_shader
= CALLOC_STRUCT(si_shader
);
2790 shader
->gs_copy_shader
->selector
= shader
->selector
;
2791 shader
->gs_copy_shader
->key
= shader
->key
;
2792 si_shader_ctx
.shader
= shader
->gs_copy_shader
;
2793 if ((r
= si_generate_gs_copy_shader(sscreen
, &si_shader_ctx
,
2795 free(shader
->gs_copy_shader
);
2796 shader
->gs_copy_shader
= NULL
;
2801 tgsi_parse_free(&si_shader_ctx
.parse
);
2804 for (int i
= 0; i
< SI_NUM_CONST_BUFFERS
; i
++)
2805 FREE(si_shader_ctx
.constants
[i
]);
2806 FREE(si_shader_ctx
.resources
);
2807 FREE(si_shader_ctx
.samplers
);
2812 void si_shader_destroy(struct pipe_context
*ctx
, struct si_shader
*shader
)
2814 if (shader
->gs_copy_shader
)
2815 si_shader_destroy(ctx
, shader
->gs_copy_shader
);
2817 r600_resource_reference(&shader
->bo
, NULL
);
2818 r600_resource_reference(&shader
->scratch_bo
, NULL
);