3
* Copyright © 2009 Intel Corporation
5
* Permission is hereby granted, free of charge, to any person obtaining a
6
* copy of this software and associated documentation files (the "Software"),
7
* to deal in the Software without restriction, including without limitation
8
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
9
* and/or sell copies of the Software, and to permit persons to whom the
10
* Software is furnished to do so, subject to the following conditions:
12
* The above copyright notice and this permission notice (including the next
13
* paragraph) shall be included in all copies or substantial portions of the
16
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22
* DEALINGS IN THE SOFTWARE.
28
#include "main/mtypes.h"
29
#include "main/imports.h"
30
#include "shader/program.h"
31
#include "shader/prog_parameter.h"
32
#include "shader/prog_parameter_layout.h"
33
#include "shader/prog_statevars.h"
34
#include "shader/prog_instruction.h"
36
#include "shader/symbol_table.h"
37
#include "shader/program_parser.h"
39
extern void *yy_scan_string(char *);
40
extern void yy_delete_buffer(void *);
42
static struct asm_symbol *declare_variable(struct asm_parser_state *state,
43
char *name, enum asm_type t, struct YYLTYPE *locp);
45
static int add_state_reference(struct gl_program_parameter_list *param_list,
46
const gl_state_index tokens[STATE_LENGTH]);
48
static int initialize_symbol_from_state(struct gl_program *prog,
49
struct asm_symbol *param_var, const gl_state_index tokens[STATE_LENGTH]);
51
static int initialize_symbol_from_param(struct gl_program *prog,
52
struct asm_symbol *param_var, const gl_state_index tokens[STATE_LENGTH]);
54
static int initialize_symbol_from_const(struct gl_program *prog,
55
struct asm_symbol *param_var, const struct asm_vector *vec,
56
GLboolean allowSwizzle);
58
static int yyparse(struct asm_parser_state *state);
60
static char *make_error_string(const char *fmt, ...);
62
static void yyerror(struct YYLTYPE *locp, struct asm_parser_state *state,
65
static int validate_inputs(struct YYLTYPE *locp,
66
struct asm_parser_state *state);
68
static void init_dst_reg(struct prog_dst_register *r);
70
static void set_dst_reg(struct prog_dst_register *r,
71
gl_register_file file, GLint index);
73
static void init_src_reg(struct asm_src_register *r);
75
static void set_src_reg(struct asm_src_register *r,
76
gl_register_file file, GLint index);
78
static void set_src_reg_swz(struct asm_src_register *r,
79
gl_register_file file, GLint index, GLuint swizzle);
81
static void asm_instruction_set_operands(struct asm_instruction *inst,
82
const struct prog_dst_register *dst, const struct asm_src_register *src0,
83
const struct asm_src_register *src1, const struct asm_src_register *src2);
85
static struct asm_instruction *asm_instruction_ctor(gl_inst_opcode op,
86
const struct prog_dst_register *dst, const struct asm_src_register *src0,
87
const struct asm_src_register *src1, const struct asm_src_register *src2);
89
static struct asm_instruction *asm_instruction_copy_ctor(
90
const struct prog_instruction *base, const struct prog_dst_register *dst,
91
const struct asm_src_register *src0, const struct asm_src_register *src1,
92
const struct asm_src_register *src2);
99
#define YYLLOC_DEFAULT(Current, Rhs, N) \
102
(Current).first_line = YYRHSLOC(Rhs, 1).first_line; \
103
(Current).first_column = YYRHSLOC(Rhs, 1).first_column; \
104
(Current).position = YYRHSLOC(Rhs, 1).position; \
105
(Current).last_line = YYRHSLOC(Rhs, N).last_line; \
106
(Current).last_column = YYRHSLOC(Rhs, N).last_column; \
108
(Current).first_line = YYRHSLOC(Rhs, 0).last_line; \
109
(Current).last_line = (Current).first_line; \
110
(Current).first_column = YYRHSLOC(Rhs, 0).last_column; \
111
(Current).last_column = (Current).first_column; \
112
(Current).position = YYRHSLOC(Rhs, 0).position \
113
+ (Current).first_column; \
117
#define YYLEX_PARAM state->scanner
122
%parse-param { struct asm_parser_state *state }
124
%lex-param { void *scanner }
127
struct asm_instruction *inst;
128
struct asm_symbol *sym;
129
struct asm_symbol temp_sym;
130
struct asm_swizzle_mask swiz_mask;
131
struct asm_src_register src_reg;
132
struct prog_dst_register dst_reg;
133
struct prog_instruction temp_inst;
139
gl_state_index state[STATE_LENGTH];
141
struct asm_vector vector;
142
gl_inst_opcode opcode;
146
unsigned rgba_valid:1;
147
unsigned xyzw_valid:1;
152
%token ARBvp_10 ARBfp_10
154
/* Tokens for assembler pseudo-ops */
155
%token <integer> ADDRESS
159
%token <integer> TEMP
162
/* Tokens for instructions */
163
%token <temp_inst> BIN_OP BINSC_OP SAMPLE_OP SCALAR_OP TRI_OP VECTOR_OP
164
%token <temp_inst> ARL KIL SWZ TXD_OP
166
%token <integer> INTEGER
169
%token AMBIENT ATTENUATION
172
%token DEPTH DIFFUSE DIRECTION
173
%token EMISSION ENV EYE
174
%token FOG FOGCOORD FRAGMENT FRONT
176
%token INVERSE INVTRANS
177
%token LIGHT LIGHTMODEL LIGHTPROD LOCAL
178
%token MATERIAL MAT_PROGRAM MATRIX MATRIXINDEX MODELVIEW MVP
181
%token PALETTE PARAMS PLANE POINT_TOK POINTSIZE POSITION PRIMARY PROGRAM PROJECTION
182
%token RANGE RESULT ROW
183
%token SCENECOLOR SECONDARY SHININESS SIZE_TOK SPECULAR SPOT STATE
184
%token TEXCOORD TEXENV TEXGEN TEXGEN_Q TEXGEN_R TEXGEN_S TEXGEN_T TEXTURE TRANSPOSE
185
%token TEXTURE_UNIT TEX_1D TEX_2D TEX_3D TEX_CUBE TEX_RECT
186
%token TEX_SHADOW1D TEX_SHADOW2D TEX_SHADOWRECT
187
%token TEX_ARRAY1D TEX_ARRAY2D TEX_ARRAYSHADOW1D TEX_ARRAYSHADOW2D
188
%token VERTEX VTXATTRIB
191
%token <string> IDENTIFIER USED_IDENTIFIER
192
%type <string> string
193
%token <swiz_mask> MASK4 MASK3 MASK2 MASK1 SWIZZLE
197
%type <inst> instruction ALU_instruction TexInstruction
198
%type <inst> ARL_instruction VECTORop_instruction
199
%type <inst> SCALARop_instruction BINSCop_instruction BINop_instruction
200
%type <inst> TRIop_instruction TXD_instruction SWZ_instruction SAMPLE_instruction
201
%type <inst> KIL_instruction
203
%type <dst_reg> dstReg maskedDstReg maskedAddrReg
204
%type <src_reg> srcReg scalarUse scalarSrcReg swizzleSrcReg
205
%type <swiz_mask> scalarSuffix swizzleSuffix extendedSwizzle
206
%type <ext_swizzle> extSwizComp extSwizSel
207
%type <swiz_mask> optionalMask
209
%type <sym> progParamArray
210
%type <integer> addrRegRelOffset addrRegPosOffset addrRegNegOffset
211
%type <src_reg> progParamArrayMem progParamArrayAbs progParamArrayRel
213
%type <swiz_mask> addrComponent addrWriteMask
215
%type <dst_reg> ccMaskRule ccTest ccMaskRule2 ccTest2 optionalCcMask
217
%type <result> resultBinding resultColBinding
218
%type <integer> optFaceType optColorType
219
%type <integer> optResultFaceType optResultColorType
221
%type <integer> optTexImageUnitNum texImageUnitNum
222
%type <integer> optTexCoordUnitNum texCoordUnitNum
223
%type <integer> optLegacyTexUnitNum legacyTexUnitNum
224
%type <integer> texImageUnit texTarget
225
%type <integer> vtxAttribNum
227
%type <attrib> attribBinding vtxAttribItem fragAttribItem
229
%type <temp_sym> paramSingleInit paramSingleItemDecl
230
%type <integer> optArraySize
232
%type <state> stateSingleItem stateMultipleItem
233
%type <state> stateMaterialItem
234
%type <state> stateLightItem stateLightModelItem stateLightProdItem
235
%type <state> stateTexGenItem stateFogItem stateClipPlaneItem statePointItem
236
%type <state> stateMatrixItem stateMatrixRow stateMatrixRows
237
%type <state> stateTexEnvItem stateDepthItem
239
%type <state> stateLModProperty
240
%type <state> stateMatrixName optMatrixRows
242
%type <integer> stateMatProperty
243
%type <integer> stateLightProperty stateSpotProperty
244
%type <integer> stateLightNumber stateLProdProperty
245
%type <integer> stateTexGenType stateTexGenCoord
246
%type <integer> stateTexEnvProperty
247
%type <integer> stateFogProperty
248
%type <integer> stateClipPlaneNum
249
%type <integer> statePointProperty
251
%type <integer> stateOptMatModifier stateMatModifier stateMatrixRowNum
252
%type <integer> stateOptModMatNum stateModMatNum statePaletteMatNum
253
%type <integer> stateProgramMatNum
255
%type <integer> ambDiffSpecProperty
257
%type <state> programSingleItem progEnvParam progLocalParam
258
%type <state> programMultipleItem progEnvParams progLocalParams
260
%type <temp_sym> paramMultipleInit paramMultInitList paramMultipleItem
261
%type <temp_sym> paramSingleItemUse
263
%type <integer> progEnvParamNum progLocalParamNum
264
%type <state> progEnvParamNums progLocalParamNums
266
%type <vector> paramConstDecl paramConstUse
267
%type <vector> paramConstScalarDecl paramConstScalarUse paramConstVector
268
%type <real> signedFloatConstant
269
%type <negate> optionalSign
272
extern int yylex(YYSTYPE *yylval_param, YYLTYPE *yylloc_param,
278
program: language optionSequence statementSequence END
283
if (state->prog->Target != GL_VERTEX_PROGRAM_ARB) {
284
yyerror(& @1, state, "invalid fragment program header");
287
state->mode = ARB_vertex;
291
if (state->prog->Target != GL_FRAGMENT_PROGRAM_ARB) {
292
yyerror(& @1, state, "invalid vertex program header");
294
state->mode = ARB_fragment;
296
state->option.TexRect =
297
(state->ctx->Extensions.NV_texture_rectangle != GL_FALSE);
301
optionSequence: optionSequence option
305
option: OPTION string ';'
309
if (state->mode == ARB_vertex) {
310
valid = _mesa_ARBvp_parse_option(state, $2);
311
} else if (state->mode == ARB_fragment) {
312
valid = _mesa_ARBfp_parse_option(state, $2);
319
const char *const err_str = (state->mode == ARB_vertex)
320
? "invalid ARB vertex program option"
321
: "invalid ARB fragment program option";
323
yyerror(& @2, state, err_str);
329
statementSequence: statementSequence statement
333
statement: instruction ';'
336
if (state->inst_tail == NULL) {
337
state->inst_head = $1;
339
state->inst_tail->next = $1;
342
state->inst_tail = $1;
345
state->prog->NumInstructions++;
348
| namingStatement ';'
351
instruction: ALU_instruction
354
state->prog->NumAluInstructions++;
359
state->prog->NumTexInstructions++;
363
ALU_instruction: ARL_instruction
364
| VECTORop_instruction
365
| SCALARop_instruction
366
| BINSCop_instruction
372
TexInstruction: SAMPLE_instruction
377
ARL_instruction: ARL maskedAddrReg ',' scalarSrcReg
379
$$ = asm_instruction_ctor(OPCODE_ARL, & $2, & $4, NULL, NULL);
383
VECTORop_instruction: VECTOR_OP maskedDstReg ',' swizzleSrcReg
385
$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
389
SCALARop_instruction: SCALAR_OP maskedDstReg ',' scalarSrcReg
391
$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
395
BINSCop_instruction: BINSC_OP maskedDstReg ',' scalarSrcReg ',' scalarSrcReg
397
$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, NULL);
402
BINop_instruction: BIN_OP maskedDstReg ',' swizzleSrcReg ',' swizzleSrcReg
404
$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, NULL);
408
TRIop_instruction: TRI_OP maskedDstReg ','
409
swizzleSrcReg ',' swizzleSrcReg ',' swizzleSrcReg
411
$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, & $8);
415
SAMPLE_instruction: SAMPLE_OP maskedDstReg ',' swizzleSrcReg ',' texImageUnit ',' texTarget
417
$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
419
const GLbitfield tex_mask = (1U << $6);
420
GLbitfield shadow_tex = 0;
421
GLbitfield target_mask = 0;
424
$$->Base.TexSrcUnit = $6;
427
shadow_tex = tex_mask;
429
$$->Base.TexSrcTarget = -$8;
430
$$->Base.TexShadow = 1;
432
$$->Base.TexSrcTarget = $8;
435
target_mask = (1U << $$->Base.TexSrcTarget);
437
/* If this texture unit was previously accessed and that access
438
* had a different texture target, generate an error.
440
* If this texture unit was previously accessed and that access
441
* had a different shadow mode, generate an error.
443
if ((state->prog->TexturesUsed[$6] != 0)
444
&& ((state->prog->TexturesUsed[$6] != target_mask)
445
|| ((state->prog->ShadowSamplers & tex_mask)
448
"multiple targets used on one texture image unit");
453
state->prog->TexturesUsed[$6] |= target_mask;
454
state->prog->ShadowSamplers |= shadow_tex;
459
KIL_instruction: KIL swizzleSrcReg
461
$$ = asm_instruction_ctor(OPCODE_KIL, NULL, & $2, NULL, NULL);
462
state->fragment.UsesKill = 1;
466
$$ = asm_instruction_ctor(OPCODE_KIL_NV, NULL, NULL, NULL, NULL);
467
$$->Base.DstReg.CondMask = $2.CondMask;
468
$$->Base.DstReg.CondSwizzle = $2.CondSwizzle;
469
$$->Base.DstReg.CondSrc = $2.CondSrc;
470
state->fragment.UsesKill = 1;
474
TXD_instruction: TXD_OP maskedDstReg ',' swizzleSrcReg ',' swizzleSrcReg ',' swizzleSrcReg ',' texImageUnit ',' texTarget
476
$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, & $8);
478
const GLbitfield tex_mask = (1U << $10);
479
GLbitfield shadow_tex = 0;
480
GLbitfield target_mask = 0;
483
$$->Base.TexSrcUnit = $10;
486
shadow_tex = tex_mask;
488
$$->Base.TexSrcTarget = -$12;
489
$$->Base.TexShadow = 1;
491
$$->Base.TexSrcTarget = $12;
494
target_mask = (1U << $$->Base.TexSrcTarget);
496
/* If this texture unit was previously accessed and that access
497
* had a different texture target, generate an error.
499
* If this texture unit was previously accessed and that access
500
* had a different shadow mode, generate an error.
502
if ((state->prog->TexturesUsed[$10] != 0)
503
&& ((state->prog->TexturesUsed[$10] != target_mask)
504
|| ((state->prog->ShadowSamplers & tex_mask)
506
yyerror(& @12, state,
507
"multiple targets used on one texture image unit");
512
state->prog->TexturesUsed[$10] |= target_mask;
513
state->prog->ShadowSamplers |= shadow_tex;
518
texImageUnit: TEXTURE_UNIT optTexImageUnitNum
524
texTarget: TEX_1D { $$ = TEXTURE_1D_INDEX; }
525
| TEX_2D { $$ = TEXTURE_2D_INDEX; }
526
| TEX_3D { $$ = TEXTURE_3D_INDEX; }
527
| TEX_CUBE { $$ = TEXTURE_CUBE_INDEX; }
528
| TEX_RECT { $$ = TEXTURE_RECT_INDEX; }
529
| TEX_SHADOW1D { $$ = -TEXTURE_1D_INDEX; }
530
| TEX_SHADOW2D { $$ = -TEXTURE_2D_INDEX; }
531
| TEX_SHADOWRECT { $$ = -TEXTURE_RECT_INDEX; }
532
| TEX_ARRAY1D { $$ = TEXTURE_1D_ARRAY_INDEX; }
533
| TEX_ARRAY2D { $$ = TEXTURE_2D_ARRAY_INDEX; }
534
| TEX_ARRAYSHADOW1D { $$ = -TEXTURE_1D_ARRAY_INDEX; }
535
| TEX_ARRAYSHADOW2D { $$ = -TEXTURE_2D_ARRAY_INDEX; }
538
SWZ_instruction: SWZ maskedDstReg ',' srcReg ',' extendedSwizzle
540
/* FIXME: Is this correct? Should the extenedSwizzle be applied
541
* FIXME: to the existing swizzle?
543
$4.Base.Swizzle = $6.swizzle;
544
$4.Base.Negate = $6.mask;
546
$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
550
scalarSrcReg: optionalSign scalarUse
555
$$.Base.Negate = ~$$.Base.Negate;
558
| optionalSign '|' scalarUse '|'
562
if (!state->option.NV_fragment) {
563
yyerror(& @2, state, "unexpected character '|'");
568
$$.Base.Negate = ~$$.Base.Negate;
575
scalarUse: srcReg scalarSuffix
579
$$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle,
582
| paramConstScalarUse
584
struct asm_symbol temp_sym;
586
if (!state->option.NV_fragment) {
587
yyerror(& @1, state, "expected scalar suffix");
591
memset(& temp_sym, 0, sizeof(temp_sym));
592
temp_sym.param_binding_begin = ~0;
593
initialize_symbol_from_const(state->prog, & temp_sym, & $1, GL_TRUE);
595
set_src_reg_swz(& $$, PROGRAM_CONSTANT,
596
temp_sym.param_binding_begin,
597
temp_sym.param_binding_swizzle);
601
swizzleSrcReg: optionalSign srcReg swizzleSuffix
606
$$.Base.Negate = ~$$.Base.Negate;
609
$$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle,
612
| optionalSign '|' srcReg swizzleSuffix '|'
616
if (!state->option.NV_fragment) {
617
yyerror(& @2, state, "unexpected character '|'");
622
$$.Base.Negate = ~$$.Base.Negate;
626
$$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle,
632
maskedDstReg: dstReg optionalMask optionalCcMask
635
$$.WriteMask = $2.mask;
636
$$.CondMask = $3.CondMask;
637
$$.CondSwizzle = $3.CondSwizzle;
638
$$.CondSrc = $3.CondSrc;
640
if ($$.File == PROGRAM_OUTPUT) {
641
/* Technically speaking, this should check that it is in
642
* vertex program mode. However, PositionInvariant can never be
643
* set in fragment program mode, so it is somewhat irrelevant.
645
if (state->option.PositionInvariant
646
&& ($$.Index == VERT_RESULT_HPOS)) {
647
yyerror(& @1, state, "position-invariant programs cannot "
652
state->prog->OutputsWritten |= BITFIELD64_BIT($$.Index);
657
maskedAddrReg: addrReg addrWriteMask
659
set_dst_reg(& $$, PROGRAM_ADDRESS, 0);
660
$$.WriteMask = $2.mask;
664
extendedSwizzle: extSwizComp ',' extSwizComp ',' extSwizComp ',' extSwizComp
666
const unsigned xyzw_valid =
668
| ($3.xyzw_valid << 1)
669
| ($5.xyzw_valid << 2)
670
| ($7.xyzw_valid << 3);
671
const unsigned rgba_valid =
673
| ($3.rgba_valid << 1)
674
| ($5.rgba_valid << 2)
675
| ($7.rgba_valid << 3);
677
/* All of the swizzle components have to be valid in either RGBA
678
* or XYZW. Note that 0 and 1 are valid in both, so both masks
679
* can have some bits set.
681
* We somewhat deviate from the spec here. It would be really hard
682
* to figure out which component is the error, and there probably
683
* isn't a lot of benefit.
685
if ((rgba_valid != 0x0f) && (xyzw_valid != 0x0f)) {
686
yyerror(& @1, state, "cannot combine RGBA and XYZW swizzle "
691
$$.swizzle = MAKE_SWIZZLE4($1.swz, $3.swz, $5.swz, $7.swz);
692
$$.mask = ($1.negate) | ($3.negate << 1) | ($5.negate << 2)
697
extSwizComp: optionalSign extSwizSel
700
$$.negate = ($1) ? 1 : 0;
706
if (($1 != 0) && ($1 != 1)) {
707
yyerror(& @1, state, "invalid extended swizzle selector");
711
$$.swz = ($1 == 0) ? SWIZZLE_ZERO : SWIZZLE_ONE;
713
/* 0 and 1 are valid for both RGBA swizzle names and XYZW
723
if (strlen($1) > 1) {
724
yyerror(& @1, state, "invalid extended swizzle selector");
767
yyerror(& @1, state, "invalid extended swizzle selector");
774
srcReg: USED_IDENTIFIER /* temporaryReg | progParamSingle */
776
struct asm_symbol *const s = (struct asm_symbol *)
777
_mesa_symbol_table_find_symbol(state->st, 0, $1);
782
yyerror(& @1, state, "invalid operand variable");
784
} else if ((s->type != at_param) && (s->type != at_temp)
785
&& (s->type != at_attrib)) {
786
yyerror(& @1, state, "invalid operand variable");
788
} else if ((s->type == at_param) && s->param_is_array) {
789
yyerror(& @1, state, "non-array access to array PARAM");
796
set_src_reg(& $$, PROGRAM_TEMPORARY, s->temp_binding);
799
set_src_reg_swz(& $$, s->param_binding_type,
800
s->param_binding_begin,
801
s->param_binding_swizzle);
804
set_src_reg(& $$, PROGRAM_INPUT, s->attrib_binding);
805
state->prog->InputsRead |= (1U << $$.Base.Index);
807
if (!validate_inputs(& @1, state)) {
819
set_src_reg(& $$, PROGRAM_INPUT, $1);
820
state->prog->InputsRead |= (1U << $$.Base.Index);
822
if (!validate_inputs(& @1, state)) {
826
| progParamArray '[' progParamArrayMem ']'
828
if (! $3.Base.RelAddr
829
&& ((unsigned) $3.Base.Index >= $1->param_binding_length)) {
830
yyerror(& @3, state, "out of bounds array access");
835
$$.Base.File = $1->param_binding_type;
837
if ($3.Base.RelAddr) {
838
$1->param_accessed_indirectly = 1;
841
$$.Base.Index = $3.Base.Index;
844
$$.Base.Index = $1->param_binding_begin + $3.Base.Index;
849
gl_register_file file = ($1.name != NULL)
850
? $1.param_binding_type
852
set_src_reg_swz(& $$, file, $1.param_binding_begin,
853
$1.param_binding_swizzle);
857
dstReg: resultBinding
859
set_dst_reg(& $$, PROGRAM_OUTPUT, $1);
861
| USED_IDENTIFIER /* temporaryReg | vertexResultReg */
863
struct asm_symbol *const s = (struct asm_symbol *)
864
_mesa_symbol_table_find_symbol(state->st, 0, $1);
869
yyerror(& @1, state, "invalid operand variable");
871
} else if ((s->type != at_output) && (s->type != at_temp)) {
872
yyerror(& @1, state, "invalid operand variable");
878
set_dst_reg(& $$, PROGRAM_TEMPORARY, s->temp_binding);
881
set_dst_reg(& $$, PROGRAM_OUTPUT, s->output_binding);
884
set_dst_reg(& $$, s->param_binding_type, s->param_binding_begin);
890
progParamArray: USED_IDENTIFIER
892
struct asm_symbol *const s = (struct asm_symbol *)
893
_mesa_symbol_table_find_symbol(state->st, 0, $1);
898
yyerror(& @1, state, "invalid operand variable");
900
} else if ((s->type != at_param) || !s->param_is_array) {
901
yyerror(& @1, state, "array access to non-PARAM variable");
909
progParamArrayMem: progParamArrayAbs | progParamArrayRel;
911
progParamArrayAbs: INTEGER
918
progParamArrayRel: addrReg addrComponent addrRegRelOffset
920
/* FINISHME: Add support for multiple address registers.
922
/* FINISHME: Add support for 4-component address registers.
930
addrRegRelOffset: { $$ = 0; }
931
| '+' addrRegPosOffset { $$ = $2; }
932
| '-' addrRegNegOffset { $$ = -$2; }
935
addrRegPosOffset: INTEGER
937
if (($1 < 0) || ($1 > 63)) {
939
_mesa_snprintf(s, sizeof(s),
940
"relative address offset too large (%d)", $1);
941
yyerror(& @1, state, s);
949
addrRegNegOffset: INTEGER
951
if (($1 < 0) || ($1 > 64)) {
953
_mesa_snprintf(s, sizeof(s),
954
"relative address offset too large (%d)", $1);
955
yyerror(& @1, state, s);
963
addrReg: USED_IDENTIFIER
965
struct asm_symbol *const s = (struct asm_symbol *)
966
_mesa_symbol_table_find_symbol(state->st, 0, $1);
971
yyerror(& @1, state, "invalid array member");
973
} else if (s->type != at_address) {
975
"invalid variable for indexed array access");
985
if ($1.mask != WRITEMASK_X) {
986
yyerror(& @1, state, "invalid address component selector");
996
if ($1.mask != WRITEMASK_X) {
998
"address register write mask must be \".x\"");
1006
scalarSuffix: MASK1;
1008
swizzleSuffix: MASK1
1011
| { $$.swizzle = SWIZZLE_NOOP; $$.mask = WRITEMASK_XYZW; }
1014
optionalMask: MASK4 | MASK3 | MASK2 | MASK1
1015
| { $$.swizzle = SWIZZLE_NOOP; $$.mask = WRITEMASK_XYZW; }
1018
optionalCcMask: '(' ccTest ')'
1028
$$.CondMask = COND_TR;
1029
$$.CondSwizzle = SWIZZLE_NOOP;
1034
ccTest: ccMaskRule swizzleSuffix
1037
$$.CondSwizzle = $2.swizzle;
1041
ccTest2: ccMaskRule2 swizzleSuffix
1044
$$.CondSwizzle = $2.swizzle;
1048
ccMaskRule: IDENTIFIER
1050
const int cond = _mesa_parse_cc($1);
1051
if ((cond == 0) || ($1[2] != '\0')) {
1052
char *const err_str =
1053
make_error_string("invalid condition code \"%s\"", $1);
1055
yyerror(& @1, state, (err_str != NULL)
1056
? err_str : "invalid condition code");
1058
if (err_str != NULL) {
1066
$$.CondSwizzle = SWIZZLE_NOOP;
1071
ccMaskRule2: USED_IDENTIFIER
1073
const int cond = _mesa_parse_cc($1);
1074
if ((cond == 0) || ($1[2] != '\0')) {
1075
char *const err_str =
1076
make_error_string("invalid condition code \"%s\"", $1);
1078
yyerror(& @1, state, (err_str != NULL)
1079
? err_str : "invalid condition code");
1081
if (err_str != NULL) {
1089
$$.CondSwizzle = SWIZZLE_NOOP;
1094
namingStatement: ATTRIB_statement
1102
ATTRIB_statement: ATTRIB IDENTIFIER '=' attribBinding
1104
struct asm_symbol *const s =
1105
declare_variable(state, $2, at_attrib, & @2);
1111
s->attrib_binding = $4;
1112
state->InputsBound |= (1U << s->attrib_binding);
1114
if (!validate_inputs(& @4, state)) {
1121
attribBinding: VERTEX vtxAttribItem
1125
| FRAGMENT fragAttribItem
1131
vtxAttribItem: POSITION
1133
$$ = VERT_ATTRIB_POS;
1135
| WEIGHT vtxOptWeightNum
1137
$$ = VERT_ATTRIB_WEIGHT;
1141
$$ = VERT_ATTRIB_NORMAL;
1143
| COLOR optColorType
1145
if (!state->ctx->Extensions.EXT_secondary_color) {
1146
yyerror(& @2, state, "GL_EXT_secondary_color not supported");
1150
$$ = VERT_ATTRIB_COLOR0 + $2;
1154
if (!state->ctx->Extensions.EXT_fog_coord) {
1155
yyerror(& @1, state, "GL_EXT_fog_coord not supported");
1159
$$ = VERT_ATTRIB_FOG;
1161
| TEXCOORD optTexCoordUnitNum
1163
$$ = VERT_ATTRIB_TEX0 + $2;
1165
| MATRIXINDEX '[' vtxWeightNum ']'
1167
yyerror(& @1, state, "GL_ARB_matrix_palette not supported");
1170
| VTXATTRIB '[' vtxAttribNum ']'
1172
$$ = VERT_ATTRIB_GENERIC0 + $3;
1176
vtxAttribNum: INTEGER
1178
if ((unsigned) $1 >= state->limits->MaxAttribs) {
1179
yyerror(& @1, state, "invalid vertex attribute reference");
1187
vtxOptWeightNum: | '[' vtxWeightNum ']';
1188
vtxWeightNum: INTEGER;
1190
fragAttribItem: POSITION
1192
$$ = FRAG_ATTRIB_WPOS;
1194
| COLOR optColorType
1196
$$ = FRAG_ATTRIB_COL0 + $2;
1200
$$ = FRAG_ATTRIB_FOGC;
1202
| TEXCOORD optTexCoordUnitNum
1204
$$ = FRAG_ATTRIB_TEX0 + $2;
1208
PARAM_statement: PARAM_singleStmt | PARAM_multipleStmt;
1210
PARAM_singleStmt: PARAM IDENTIFIER paramSingleInit
1212
struct asm_symbol *const s =
1213
declare_variable(state, $2, at_param, & @2);
1219
s->param_binding_type = $3.param_binding_type;
1220
s->param_binding_begin = $3.param_binding_begin;
1221
s->param_binding_length = $3.param_binding_length;
1222
s->param_binding_swizzle = SWIZZLE_XYZW;
1223
s->param_is_array = 0;
1228
PARAM_multipleStmt: PARAM IDENTIFIER '[' optArraySize ']' paramMultipleInit
1230
if (($4 != 0) && ((unsigned) $4 != $6.param_binding_length)) {
1232
yyerror(& @4, state,
1233
"parameter array size and number of bindings must match");
1236
struct asm_symbol *const s =
1237
declare_variable(state, $2, $6.type, & @2);
1243
s->param_binding_type = $6.param_binding_type;
1244
s->param_binding_begin = $6.param_binding_begin;
1245
s->param_binding_length = $6.param_binding_length;
1246
s->param_binding_swizzle = SWIZZLE_XYZW;
1247
s->param_is_array = 1;
1259
if (($1 < 1) || ((unsigned) $1 > state->limits->MaxParameters)) {
1260
yyerror(& @1, state, "invalid parameter array size");
1268
paramSingleInit: '=' paramSingleItemDecl
1274
paramMultipleInit: '=' '{' paramMultInitList '}'
1280
paramMultInitList: paramMultipleItem
1281
| paramMultInitList ',' paramMultipleItem
1283
$1.param_binding_length += $3.param_binding_length;
1288
paramSingleItemDecl: stateSingleItem
1290
memset(& $$, 0, sizeof($$));
1291
$$.param_binding_begin = ~0;
1292
initialize_symbol_from_state(state->prog, & $$, $1);
1296
memset(& $$, 0, sizeof($$));
1297
$$.param_binding_begin = ~0;
1298
initialize_symbol_from_param(state->prog, & $$, $1);
1302
memset(& $$, 0, sizeof($$));
1303
$$.param_binding_begin = ~0;
1304
initialize_symbol_from_const(state->prog, & $$, & $1, GL_TRUE);
1308
paramSingleItemUse: stateSingleItem
1310
memset(& $$, 0, sizeof($$));
1311
$$.param_binding_begin = ~0;
1312
initialize_symbol_from_state(state->prog, & $$, $1);
1316
memset(& $$, 0, sizeof($$));
1317
$$.param_binding_begin = ~0;
1318
initialize_symbol_from_param(state->prog, & $$, $1);
1322
memset(& $$, 0, sizeof($$));
1323
$$.param_binding_begin = ~0;
1324
initialize_symbol_from_const(state->prog, & $$, & $1, GL_TRUE);
1328
paramMultipleItem: stateMultipleItem
1330
memset(& $$, 0, sizeof($$));
1331
$$.param_binding_begin = ~0;
1332
initialize_symbol_from_state(state->prog, & $$, $1);
1334
| programMultipleItem
1336
memset(& $$, 0, sizeof($$));
1337
$$.param_binding_begin = ~0;
1338
initialize_symbol_from_param(state->prog, & $$, $1);
1342
memset(& $$, 0, sizeof($$));
1343
$$.param_binding_begin = ~0;
1344
initialize_symbol_from_const(state->prog, & $$, & $1, GL_FALSE);
1348
stateMultipleItem: stateSingleItem { memcpy($$, $1, sizeof($$)); }
1349
| STATE stateMatrixRows { memcpy($$, $2, sizeof($$)); }
1352
stateSingleItem: STATE stateMaterialItem { memcpy($$, $2, sizeof($$)); }
1353
| STATE stateLightItem { memcpy($$, $2, sizeof($$)); }
1354
| STATE stateLightModelItem { memcpy($$, $2, sizeof($$)); }
1355
| STATE stateLightProdItem { memcpy($$, $2, sizeof($$)); }
1356
| STATE stateTexGenItem { memcpy($$, $2, sizeof($$)); }
1357
| STATE stateTexEnvItem { memcpy($$, $2, sizeof($$)); }
1358
| STATE stateFogItem { memcpy($$, $2, sizeof($$)); }
1359
| STATE stateClipPlaneItem { memcpy($$, $2, sizeof($$)); }
1360
| STATE statePointItem { memcpy($$, $2, sizeof($$)); }
1361
| STATE stateMatrixRow { memcpy($$, $2, sizeof($$)); }
1362
| STATE stateDepthItem { memcpy($$, $2, sizeof($$)); }
1365
stateMaterialItem: MATERIAL optFaceType stateMatProperty
1367
memset($$, 0, sizeof($$));
1368
$$[0] = STATE_MATERIAL;
1374
stateMatProperty: ambDiffSpecProperty
1380
$$ = STATE_EMISSION;
1384
$$ = STATE_SHININESS;
1388
stateLightItem: LIGHT '[' stateLightNumber ']' stateLightProperty
1390
memset($$, 0, sizeof($$));
1391
$$[0] = STATE_LIGHT;
1397
stateLightProperty: ambDiffSpecProperty
1403
$$ = STATE_POSITION;
1407
if (!state->ctx->Extensions.EXT_point_parameters) {
1408
yyerror(& @1, state, "GL_ARB_point_parameters not supported");
1412
$$ = STATE_ATTENUATION;
1414
| SPOT stateSpotProperty
1420
$$ = STATE_HALF_VECTOR;
1424
stateSpotProperty: DIRECTION
1426
$$ = STATE_SPOT_DIRECTION;
1430
stateLightModelItem: LIGHTMODEL stateLModProperty
1437
stateLModProperty: AMBIENT
1439
memset($$, 0, sizeof($$));
1440
$$[0] = STATE_LIGHTMODEL_AMBIENT;
1442
| optFaceType SCENECOLOR
1444
memset($$, 0, sizeof($$));
1445
$$[0] = STATE_LIGHTMODEL_SCENECOLOR;
1450
stateLightProdItem: LIGHTPROD '[' stateLightNumber ']' optFaceType stateLProdProperty
1452
memset($$, 0, sizeof($$));
1453
$$[0] = STATE_LIGHTPROD;
1460
stateLProdProperty: ambDiffSpecProperty;
1462
stateTexEnvItem: TEXENV optLegacyTexUnitNum stateTexEnvProperty
1464
memset($$, 0, sizeof($$));
1470
stateTexEnvProperty: COLOR
1472
$$ = STATE_TEXENV_COLOR;
1476
ambDiffSpecProperty: AMBIENT
1486
$$ = STATE_SPECULAR;
1490
stateLightNumber: INTEGER
1492
if ((unsigned) $1 >= state->MaxLights) {
1493
yyerror(& @1, state, "invalid light selector");
1501
stateTexGenItem: TEXGEN optTexCoordUnitNum stateTexGenType stateTexGenCoord
1503
memset($$, 0, sizeof($$));
1504
$$[0] = STATE_TEXGEN;
1510
stateTexGenType: EYE
1512
$$ = STATE_TEXGEN_EYE_S;
1516
$$ = STATE_TEXGEN_OBJECT_S;
1519
stateTexGenCoord: TEXGEN_S
1521
$$ = STATE_TEXGEN_EYE_S - STATE_TEXGEN_EYE_S;
1525
$$ = STATE_TEXGEN_EYE_T - STATE_TEXGEN_EYE_S;
1529
$$ = STATE_TEXGEN_EYE_R - STATE_TEXGEN_EYE_S;
1533
$$ = STATE_TEXGEN_EYE_Q - STATE_TEXGEN_EYE_S;
1537
stateFogItem: FOG stateFogProperty
1539
memset($$, 0, sizeof($$));
1544
stateFogProperty: COLOR
1546
$$ = STATE_FOG_COLOR;
1550
$$ = STATE_FOG_PARAMS;
1554
stateClipPlaneItem: CLIP '[' stateClipPlaneNum ']' PLANE
1556
memset($$, 0, sizeof($$));
1557
$$[0] = STATE_CLIPPLANE;
1562
stateClipPlaneNum: INTEGER
1564
if ((unsigned) $1 >= state->MaxClipPlanes) {
1565
yyerror(& @1, state, "invalid clip plane selector");
1573
statePointItem: POINT_TOK statePointProperty
1575
memset($$, 0, sizeof($$));
1580
statePointProperty: SIZE_TOK
1582
$$ = STATE_POINT_SIZE;
1586
$$ = STATE_POINT_ATTENUATION;
1590
stateMatrixRow: stateMatrixItem ROW '[' stateMatrixRowNum ']'
1600
stateMatrixRows: stateMatrixItem optMatrixRows
1615
| ROW '[' stateMatrixRowNum DOT_DOT stateMatrixRowNum ']'
1617
/* It seems logical that the matrix row range specifier would have
1618
* to specify a range or more than one row (i.e., $5 > $3).
1619
* However, the ARB_vertex_program spec says "a program will fail
1620
* to load if <a> is greater than <b>." This means that $3 == $5
1624
yyerror(& @3, state, "invalid matrix row range");
1633
stateMatrixItem: MATRIX stateMatrixName stateOptMatModifier
1641
stateOptMatModifier:
1651
stateMatModifier: INVERSE
1653
$$ = STATE_MATRIX_INVERSE;
1657
$$ = STATE_MATRIX_TRANSPOSE;
1661
$$ = STATE_MATRIX_INVTRANS;
1665
stateMatrixRowNum: INTEGER
1668
yyerror(& @1, state, "invalid matrix row reference");
1676
stateMatrixName: MODELVIEW stateOptModMatNum
1678
$$[0] = STATE_MODELVIEW_MATRIX;
1683
$$[0] = STATE_PROJECTION_MATRIX;
1688
$$[0] = STATE_MVP_MATRIX;
1691
| TEXTURE optTexCoordUnitNum
1693
$$[0] = STATE_TEXTURE_MATRIX;
1696
| PALETTE '[' statePaletteMatNum ']'
1698
yyerror(& @1, state, "GL_ARB_matrix_palette not supported");
1701
| MAT_PROGRAM '[' stateProgramMatNum ']'
1703
$$[0] = STATE_PROGRAM_MATRIX;
1712
| '[' stateModMatNum ']'
1717
stateModMatNum: INTEGER
1719
/* Since GL_ARB_vertex_blend isn't supported, only modelview matrix
1723
yyerror(& @1, state, "invalid modelview matrix index");
1730
statePaletteMatNum: INTEGER
1732
/* Since GL_ARB_matrix_palette isn't supported, just let any value
1733
* through here. The error will be generated later.
1738
stateProgramMatNum: INTEGER
1740
if ((unsigned) $1 >= state->MaxProgramMatrices) {
1741
yyerror(& @1, state, "invalid program matrix selector");
1749
stateDepthItem: DEPTH RANGE
1751
memset($$, 0, sizeof($$));
1752
$$[0] = STATE_DEPTH_RANGE;
1757
programSingleItem: progEnvParam | progLocalParam;
1759
programMultipleItem: progEnvParams | progLocalParams;
1761
progEnvParams: PROGRAM ENV '[' progEnvParamNums ']'
1763
memset($$, 0, sizeof($$));
1764
$$[0] = state->state_param_enum;
1771
progEnvParamNums: progEnvParamNum
1776
| progEnvParamNum DOT_DOT progEnvParamNum
1783
progEnvParam: PROGRAM ENV '[' progEnvParamNum ']'
1785
memset($$, 0, sizeof($$));
1786
$$[0] = state->state_param_enum;
1793
progLocalParams: PROGRAM LOCAL '[' progLocalParamNums ']'
1795
memset($$, 0, sizeof($$));
1796
$$[0] = state->state_param_enum;
1797
$$[1] = STATE_LOCAL;
1802
progLocalParamNums: progLocalParamNum
1807
| progLocalParamNum DOT_DOT progLocalParamNum
1814
progLocalParam: PROGRAM LOCAL '[' progLocalParamNum ']'
1816
memset($$, 0, sizeof($$));
1817
$$[0] = state->state_param_enum;
1818
$$[1] = STATE_LOCAL;
1824
progEnvParamNum: INTEGER
1826
if ((unsigned) $1 >= state->limits->MaxEnvParams) {
1827
yyerror(& @1, state, "invalid environment parameter reference");
1834
progLocalParamNum: INTEGER
1836
if ((unsigned) $1 >= state->limits->MaxLocalParams) {
1837
yyerror(& @1, state, "invalid local parameter reference");
1846
paramConstDecl: paramConstScalarDecl | paramConstVector;
1847
paramConstUse: paramConstScalarUse | paramConstVector;
1849
paramConstScalarDecl: signedFloatConstant
1859
paramConstScalarUse: REAL
1870
$$.data[0] = (float) $1;
1871
$$.data[1] = (float) $1;
1872
$$.data[2] = (float) $1;
1873
$$.data[3] = (float) $1;
1877
paramConstVector: '{' signedFloatConstant '}'
1885
| '{' signedFloatConstant ',' signedFloatConstant '}'
1893
| '{' signedFloatConstant ',' signedFloatConstant ','
1894
signedFloatConstant '}'
1902
| '{' signedFloatConstant ',' signedFloatConstant ','
1903
signedFloatConstant ',' signedFloatConstant '}'
1913
signedFloatConstant: optionalSign REAL
1915
$$ = ($1) ? -$2 : $2;
1917
| optionalSign INTEGER
1919
$$ = (float)(($1) ? -$2 : $2);
1923
optionalSign: '+' { $$ = FALSE; }
1924
| '-' { $$ = TRUE; }
1928
TEMP_statement: optVarSize TEMP { $<integer>$ = $2; } varNameList
1933
/* NV_fragment_program_option defines the size qualifiers in a
1934
* fairly broken way. "SHORT" or "LONG" can optionally be used
1935
* before TEMP or OUTPUT. However, neither is a reserved word!
1936
* This means that we have to parse it as an identifier, then check
1937
* to make sure it's one of the valid values. *sigh*
1939
* In addition, the grammar in the extension spec does *not* allow
1940
* the size specifier to be optional, but all known implementations
1943
if (!state->option.NV_fragment) {
1944
yyerror(& @1, state, "unexpected IDENTIFIER");
1948
if (strcmp("SHORT", $1) == 0) {
1949
} else if (strcmp("LONG", $1) == 0) {
1951
char *const err_str =
1952
make_error_string("invalid storage size specifier \"%s\"",
1955
yyerror(& @1, state, (err_str != NULL)
1956
? err_str : "invalid storage size specifier");
1958
if (err_str != NULL) {
1970
ADDRESS_statement: ADDRESS { $<integer>$ = $1; } varNameList
1973
varNameList: varNameList ',' IDENTIFIER
1975
if (!declare_variable(state, $3, $<integer>0, & @3)) {
1982
if (!declare_variable(state, $1, $<integer>0, & @1)) {
1989
OUTPUT_statement: optVarSize OUTPUT IDENTIFIER '=' resultBinding
1991
struct asm_symbol *const s =
1992
declare_variable(state, $3, at_output, & @3);
1998
s->output_binding = $5;
2003
resultBinding: RESULT POSITION
2005
if (state->mode == ARB_vertex) {
2006
$$ = VERT_RESULT_HPOS;
2008
yyerror(& @2, state, "invalid program result name");
2014
if (state->mode == ARB_vertex) {
2015
$$ = VERT_RESULT_FOGC;
2017
yyerror(& @2, state, "invalid program result name");
2021
| RESULT resultColBinding
2027
if (state->mode == ARB_vertex) {
2028
$$ = VERT_RESULT_PSIZ;
2030
yyerror(& @2, state, "invalid program result name");
2034
| RESULT TEXCOORD optTexCoordUnitNum
2036
if (state->mode == ARB_vertex) {
2037
$$ = VERT_RESULT_TEX0 + $3;
2039
yyerror(& @2, state, "invalid program result name");
2045
if (state->mode == ARB_fragment) {
2046
$$ = FRAG_RESULT_DEPTH;
2048
yyerror(& @2, state, "invalid program result name");
2054
resultColBinding: COLOR optResultFaceType optResultColorType
2062
$$ = (state->mode == ARB_vertex)
2064
: FRAG_RESULT_COLOR;
2068
if (state->mode == ARB_vertex) {
2069
$$ = VERT_RESULT_COL0;
2071
yyerror(& @1, state, "invalid program result name");
2077
if (state->mode == ARB_vertex) {
2078
$$ = VERT_RESULT_BFC0;
2080
yyerror(& @1, state, "invalid program result name");
2092
if (state->mode == ARB_vertex) {
2095
yyerror(& @1, state, "invalid program result name");
2101
if (state->mode == ARB_vertex) {
2104
yyerror(& @1, state, "invalid program result name");
2110
optFaceType: { $$ = 0; }
2115
optColorType: { $$ = 0; }
2116
| PRIMARY { $$ = 0; }
2117
| SECONDARY { $$ = 1; }
2120
optTexCoordUnitNum: { $$ = 0; }
2121
| '[' texCoordUnitNum ']' { $$ = $2; }
2124
optTexImageUnitNum: { $$ = 0; }
2125
| '[' texImageUnitNum ']' { $$ = $2; }
2128
optLegacyTexUnitNum: { $$ = 0; }
2129
| '[' legacyTexUnitNum ']' { $$ = $2; }
2132
texCoordUnitNum: INTEGER
2134
if ((unsigned) $1 >= state->MaxTextureCoordUnits) {
2135
yyerror(& @1, state, "invalid texture coordinate unit selector");
2143
texImageUnitNum: INTEGER
2145
if ((unsigned) $1 >= state->MaxTextureImageUnits) {
2146
yyerror(& @1, state, "invalid texture image unit selector");
2154
legacyTexUnitNum: INTEGER
2156
if ((unsigned) $1 >= state->MaxTextureUnits) {
2157
yyerror(& @1, state, "invalid texture unit selector");
2165
ALIAS_statement: ALIAS IDENTIFIER '=' USED_IDENTIFIER
2167
struct asm_symbol *exist = (struct asm_symbol *)
2168
_mesa_symbol_table_find_symbol(state->st, 0, $2);
2169
struct asm_symbol *target = (struct asm_symbol *)
2170
_mesa_symbol_table_find_symbol(state->st, 0, $4);
2174
if (exist != NULL) {
2176
_mesa_snprintf(m, sizeof(m), "redeclared identifier: %s", $2);
2178
yyerror(& @2, state, m);
2180
} else if (target == NULL) {
2182
yyerror(& @4, state,
2183
"undefined variable binding in ALIAS statement");
2186
_mesa_symbol_table_add_symbol(state->st, 0, $2, target);
2198
asm_instruction_set_operands(struct asm_instruction *inst,
2199
const struct prog_dst_register *dst,
2200
const struct asm_src_register *src0,
2201
const struct asm_src_register *src1,
2202
const struct asm_src_register *src2)
2204
/* In the core ARB extensions only the KIL instruction doesn't have a
2205
* destination register.
2208
init_dst_reg(& inst->Base.DstReg);
2210
inst->Base.DstReg = *dst;
2213
/* The only instruction that doesn't have any source registers is the
2214
* condition-code based KIL instruction added by NV_fragment_program_option.
2217
inst->Base.SrcReg[0] = src0->Base;
2218
inst->SrcReg[0] = *src0;
2220
init_src_reg(& inst->SrcReg[0]);
2224
inst->Base.SrcReg[1] = src1->Base;
2225
inst->SrcReg[1] = *src1;
2227
init_src_reg(& inst->SrcReg[1]);
2231
inst->Base.SrcReg[2] = src2->Base;
2232
inst->SrcReg[2] = *src2;
2234
init_src_reg(& inst->SrcReg[2]);
2239
struct asm_instruction *
2240
asm_instruction_ctor(gl_inst_opcode op,
2241
const struct prog_dst_register *dst,
2242
const struct asm_src_register *src0,
2243
const struct asm_src_register *src1,
2244
const struct asm_src_register *src2)
2246
struct asm_instruction *inst = CALLOC_STRUCT(asm_instruction);
2249
_mesa_init_instructions(& inst->Base, 1);
2250
inst->Base.Opcode = op;
2252
asm_instruction_set_operands(inst, dst, src0, src1, src2);
2259
struct asm_instruction *
2260
asm_instruction_copy_ctor(const struct prog_instruction *base,
2261
const struct prog_dst_register *dst,
2262
const struct asm_src_register *src0,
2263
const struct asm_src_register *src1,
2264
const struct asm_src_register *src2)
2266
struct asm_instruction *inst = CALLOC_STRUCT(asm_instruction);
2269
_mesa_init_instructions(& inst->Base, 1);
2270
inst->Base.Opcode = base->Opcode;
2271
inst->Base.CondUpdate = base->CondUpdate;
2272
inst->Base.CondDst = base->CondDst;
2273
inst->Base.SaturateMode = base->SaturateMode;
2274
inst->Base.Precision = base->Precision;
2276
asm_instruction_set_operands(inst, dst, src0, src1, src2);
2284
init_dst_reg(struct prog_dst_register *r)
2286
memset(r, 0, sizeof(*r));
2287
r->File = PROGRAM_UNDEFINED;
2288
r->WriteMask = WRITEMASK_XYZW;
2289
r->CondMask = COND_TR;
2290
r->CondSwizzle = SWIZZLE_NOOP;
2294
/** Like init_dst_reg() but set the File and Index fields. */
2296
set_dst_reg(struct prog_dst_register *r, gl_register_file file, GLint index)
2298
const GLint maxIndex = 1 << INST_INDEX_BITS;
2299
const GLint minIndex = 0;
2300
ASSERT(index >= minIndex);
2302
ASSERT(index <= maxIndex);
2304
ASSERT(file == PROGRAM_TEMPORARY ||
2305
file == PROGRAM_ADDRESS ||
2306
file == PROGRAM_OUTPUT);
2307
memset(r, 0, sizeof(*r));
2310
r->WriteMask = WRITEMASK_XYZW;
2311
r->CondMask = COND_TR;
2312
r->CondSwizzle = SWIZZLE_NOOP;
2317
init_src_reg(struct asm_src_register *r)
2319
memset(r, 0, sizeof(*r));
2320
r->Base.File = PROGRAM_UNDEFINED;
2321
r->Base.Swizzle = SWIZZLE_NOOP;
2326
/** Like init_src_reg() but set the File and Index fields.
2327
* \return GL_TRUE if a valid src register, GL_FALSE otherwise
2330
set_src_reg(struct asm_src_register *r, gl_register_file file, GLint index)
2332
set_src_reg_swz(r, file, index, SWIZZLE_XYZW);
2337
set_src_reg_swz(struct asm_src_register *r, gl_register_file file, GLint index,
2340
const GLint maxIndex = (1 << INST_INDEX_BITS) - 1;
2341
const GLint minIndex = -(1 << INST_INDEX_BITS);
2342
ASSERT(file < PROGRAM_FILE_MAX);
2343
ASSERT(index >= minIndex);
2345
ASSERT(index <= maxIndex);
2347
memset(r, 0, sizeof(*r));
2348
r->Base.File = file;
2349
r->Base.Index = index;
2350
r->Base.Swizzle = swizzle;
2356
* Validate the set of inputs used by a program
2358
* Validates that legal sets of inputs are used by the program. In this case
2359
* "used" included both reading the input or binding the input to a name using
2360
* the \c ATTRIB command.
2363
* \c TRUE if the combination of inputs used is valid, \c FALSE otherwise.
2366
validate_inputs(struct YYLTYPE *locp, struct asm_parser_state *state)
2368
const int inputs = state->prog->InputsRead | state->InputsBound;
2370
if (((inputs & 0x0ffff) & (inputs >> 16)) != 0) {
2371
yyerror(locp, state, "illegal use of generic attribute and name attribute");
2380
declare_variable(struct asm_parser_state *state, char *name, enum asm_type t,
2381
struct YYLTYPE *locp)
2383
struct asm_symbol *s = NULL;
2384
struct asm_symbol *exist = (struct asm_symbol *)
2385
_mesa_symbol_table_find_symbol(state->st, 0, name);
2388
if (exist != NULL) {
2389
yyerror(locp, state, "redeclared identifier");
2391
s = calloc(1, sizeof(struct asm_symbol));
2397
if (state->prog->NumTemporaries >= state->limits->MaxTemps) {
2398
yyerror(locp, state, "too many temporaries declared");
2403
s->temp_binding = state->prog->NumTemporaries;
2404
state->prog->NumTemporaries++;
2408
if (state->prog->NumAddressRegs >= state->limits->MaxAddressRegs) {
2409
yyerror(locp, state, "too many address registers declared");
2414
/* FINISHME: Add support for multiple address registers.
2416
state->prog->NumAddressRegs++;
2423
_mesa_symbol_table_add_symbol(state->st, 0, s->name, s);
2424
s->next = state->sym;
2432
int add_state_reference(struct gl_program_parameter_list *param_list,
2433
const gl_state_index tokens[STATE_LENGTH])
2435
const GLuint size = 4; /* XXX fix */
2439
name = _mesa_program_state_string(tokens);
2440
index = _mesa_add_parameter(param_list, PROGRAM_STATE_VAR, name,
2441
size, GL_NONE, NULL, tokens, 0x0);
2442
param_list->StateFlags |= _mesa_program_state_flags(tokens);
2444
/* free name string here since we duplicated it in add_parameter() */
2452
initialize_symbol_from_state(struct gl_program *prog,
2453
struct asm_symbol *param_var,
2454
const gl_state_index tokens[STATE_LENGTH])
2457
gl_state_index state_tokens[STATE_LENGTH];
2460
memcpy(state_tokens, tokens, sizeof(state_tokens));
2462
param_var->type = at_param;
2463
param_var->param_binding_type = PROGRAM_STATE_VAR;
2465
/* If we are adding a STATE_MATRIX that has multiple rows, we need to
2466
* unroll it and call add_state_reference() for each row
2468
if ((state_tokens[0] == STATE_MODELVIEW_MATRIX ||
2469
state_tokens[0] == STATE_PROJECTION_MATRIX ||
2470
state_tokens[0] == STATE_MVP_MATRIX ||
2471
state_tokens[0] == STATE_TEXTURE_MATRIX ||
2472
state_tokens[0] == STATE_PROGRAM_MATRIX)
2473
&& (state_tokens[2] != state_tokens[3])) {
2475
const int first_row = state_tokens[2];
2476
const int last_row = state_tokens[3];
2478
for (row = first_row; row <= last_row; row++) {
2479
state_tokens[2] = state_tokens[3] = row;
2481
idx = add_state_reference(prog->Parameters, state_tokens);
2482
if (param_var->param_binding_begin == ~0U) {
2483
param_var->param_binding_begin = idx;
2484
param_var->param_binding_swizzle = SWIZZLE_XYZW;
2487
param_var->param_binding_length++;
2491
idx = add_state_reference(prog->Parameters, state_tokens);
2492
if (param_var->param_binding_begin == ~0U) {
2493
param_var->param_binding_begin = idx;
2494
param_var->param_binding_swizzle = SWIZZLE_XYZW;
2496
param_var->param_binding_length++;
2504
initialize_symbol_from_param(struct gl_program *prog,
2505
struct asm_symbol *param_var,
2506
const gl_state_index tokens[STATE_LENGTH])
2509
gl_state_index state_tokens[STATE_LENGTH];
2512
memcpy(state_tokens, tokens, sizeof(state_tokens));
2514
assert((state_tokens[0] == STATE_VERTEX_PROGRAM)
2515
|| (state_tokens[0] == STATE_FRAGMENT_PROGRAM));
2516
assert((state_tokens[1] == STATE_ENV)
2517
|| (state_tokens[1] == STATE_LOCAL));
2520
* The param type is STATE_VAR. The program parameter entry will
2521
* effectively be a pointer into the LOCAL or ENV parameter array.
2523
param_var->type = at_param;
2524
param_var->param_binding_type = PROGRAM_STATE_VAR;
2526
/* If we are adding a STATE_ENV or STATE_LOCAL that has multiple elements,
2527
* we need to unroll it and call add_state_reference() for each row
2529
if (state_tokens[2] != state_tokens[3]) {
2531
const int first_row = state_tokens[2];
2532
const int last_row = state_tokens[3];
2534
for (row = first_row; row <= last_row; row++) {
2535
state_tokens[2] = state_tokens[3] = row;
2537
idx = add_state_reference(prog->Parameters, state_tokens);
2538
if (param_var->param_binding_begin == ~0U) {
2539
param_var->param_binding_begin = idx;
2540
param_var->param_binding_swizzle = SWIZZLE_XYZW;
2542
param_var->param_binding_length++;
2546
idx = add_state_reference(prog->Parameters, state_tokens);
2547
if (param_var->param_binding_begin == ~0U) {
2548
param_var->param_binding_begin = idx;
2549
param_var->param_binding_swizzle = SWIZZLE_XYZW;
2551
param_var->param_binding_length++;
2559
* Put a float/vector constant/literal into the parameter list.
2560
* \param param_var returns info about the parameter/constant's location,
2561
* binding, type, etc.
2562
* \param vec the vector/constant to add
2563
* \param allowSwizzle if true, try to consolidate constants which only differ
2564
* by a swizzle. We don't want to do this when building
2565
* arrays of constants that may be indexed indirectly.
2566
* \return index of the constant in the parameter list.
2569
initialize_symbol_from_const(struct gl_program *prog,
2570
struct asm_symbol *param_var,
2571
const struct asm_vector *vec,
2572
GLboolean allowSwizzle)
2575
const int idx = _mesa_add_unnamed_constant(prog->Parameters,
2576
vec->data, vec->count,
2577
allowSwizzle ? &swizzle : NULL);
2579
param_var->type = at_param;
2580
param_var->param_binding_type = PROGRAM_CONSTANT;
2582
if (param_var->param_binding_begin == ~0U) {
2583
param_var->param_binding_begin = idx;
2584
param_var->param_binding_swizzle = allowSwizzle ? swizzle : SWIZZLE_XYZW;
2586
param_var->param_binding_length++;
2593
make_error_string(const char *fmt, ...)
2599
va_start(args, fmt);
2601
/* Call vsnprintf once to determine how large the final string is. Call it
2602
* again to do the actual formatting. from the v_mesa_snprintf manual page:
2604
* Upon successful return, these functions return the number of
2605
* characters printed (not including the trailing '\0' used to end
2606
* output to strings).
2608
length = 1 + vsnprintf(NULL, 0, fmt, args);
2610
str = malloc(length);
2612
vsnprintf(str, length, fmt, args);
2622
yyerror(YYLTYPE *locp, struct asm_parser_state *state, const char *s)
2627
err_str = make_error_string("glProgramStringARB(%s)\n", s);
2629
_mesa_error(state->ctx, GL_INVALID_OPERATION, err_str);
2633
err_str = make_error_string("line %u, char %u: error: %s\n",
2634
locp->first_line, locp->first_column, s);
2635
_mesa_set_program_error(state->ctx, locp->position, err_str);
2644
_mesa_parse_arb_program(GLcontext *ctx, GLenum target, const GLubyte *str,
2645
GLsizei len, struct asm_parser_state *state)
2647
struct asm_instruction *inst;
2650
GLboolean result = GL_FALSE;
2652
struct asm_symbol *sym;
2655
state->prog->Target = target;
2656
state->prog->Parameters = _mesa_new_parameter_list();
2658
/* Make a copy of the program string and force it to be NUL-terminated.
2660
strz = (GLubyte *) malloc(len + 1);
2662
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glProgramStringARB");
2665
memcpy (strz, str, len);
2668
state->prog->String = strz;
2670
state->st = _mesa_symbol_table_ctor();
2672
state->limits = (target == GL_VERTEX_PROGRAM_ARB)
2673
? & ctx->Const.VertexProgram
2674
: & ctx->Const.FragmentProgram;
2676
state->MaxTextureImageUnits = ctx->Const.MaxTextureImageUnits;
2677
state->MaxTextureCoordUnits = ctx->Const.MaxTextureCoordUnits;
2678
state->MaxTextureUnits = ctx->Const.MaxTextureUnits;
2679
state->MaxClipPlanes = ctx->Const.MaxClipPlanes;
2680
state->MaxLights = ctx->Const.MaxLights;
2681
state->MaxProgramMatrices = ctx->Const.MaxProgramMatrices;
2683
state->state_param_enum = (target == GL_VERTEX_PROGRAM_ARB)
2684
? STATE_VERTEX_PROGRAM : STATE_FRAGMENT_PROGRAM;
2686
_mesa_set_program_error(ctx, -1, NULL);
2688
_mesa_program_lexer_ctor(& state->scanner, state, (const char *) str, len);
2690
_mesa_program_lexer_dtor(state->scanner);
2693
if (ctx->Program.ErrorPos != -1) {
2697
if (! _mesa_layout_parameters(state)) {
2701
loc.first_column = 0;
2704
yyerror(& loc, state, "invalid PARAM usage");
2710
/* Add one instruction to store the "END" instruction.
2712
state->prog->Instructions =
2713
_mesa_alloc_instructions(state->prog->NumInstructions + 1);
2714
inst = state->inst_head;
2715
for (i = 0; i < state->prog->NumInstructions; i++) {
2716
struct asm_instruction *const temp = inst->next;
2718
state->prog->Instructions[i] = inst->Base;
2722
/* Finally, tag on an OPCODE_END instruction */
2724
const GLuint numInst = state->prog->NumInstructions;
2725
_mesa_init_instructions(state->prog->Instructions + numInst, 1);
2726
state->prog->Instructions[numInst].Opcode = OPCODE_END;
2728
state->prog->NumInstructions++;
2730
state->prog->NumParameters = state->prog->Parameters->NumParameters;
2731
state->prog->NumAttributes = _mesa_bitcount(state->prog->InputsRead);
2734
* Initialize native counts to logical counts. The device driver may
2735
* change them if program is translated into a hardware program.
2737
state->prog->NumNativeInstructions = state->prog->NumInstructions;
2738
state->prog->NumNativeTemporaries = state->prog->NumTemporaries;
2739
state->prog->NumNativeParameters = state->prog->NumParameters;
2740
state->prog->NumNativeAttributes = state->prog->NumAttributes;
2741
state->prog->NumNativeAddressRegs = state->prog->NumAddressRegs;
2746
for (inst = state->inst_head; inst != NULL; inst = temp) {
2751
state->inst_head = NULL;
2752
state->inst_tail = NULL;
2754
for (sym = state->sym; sym != NULL; sym = temp) {
2757
free((void *) sym->name);
2762
_mesa_symbol_table_dtor(state->st);
added
removed
src/mesa/shader/program_parse.y
