WebSVN – Kolibri OS – Blame – /contrib/sdk/sources/Mesa/src/mesa/program/program_parse.y

Rev	Author	Line No.	Line
4358	Serge	1	%{
		2	/*
		3	* Copyright © 2009 Intel Corporation
		4	*
		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:
		11	*
		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
		14	* Software.
		15	*
		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.
		23	*/
		24	#include
		25	#include
		26	#include
		27
		28	#include "main/mtypes.h"
		29	#include "main/imports.h"
		30	#include "program/program.h"
		31	#include "program/prog_parameter.h"
		32	#include "program/prog_parameter_layout.h"
		33	#include "program/prog_statevars.h"
		34	#include "program/prog_instruction.h"
		35
		36	#include "program/symbol_table.h"
		37	#include "program/program_parser.h"
		38
		39	extern void yy_scan_string(char );
		40	extern void yy_delete_buffer(void *);
		41
		42	static struct asm_symbol declare_variable(struct asm_parser_state state,
		43	char name, enum asm_type t, struct YYLTYPE locp);
		44
		45	static int add_state_reference(struct gl_program_parameter_list *param_list,
		46	const gl_state_index tokens[STATE_LENGTH]);
		47
		48	static int initialize_symbol_from_state(struct gl_program *prog,
		49	struct asm_symbol *param_var, const gl_state_index tokens[STATE_LENGTH]);
		50
		51	static int initialize_symbol_from_param(struct gl_program *prog,
		52	struct asm_symbol *param_var, const gl_state_index tokens[STATE_LENGTH]);
		53
		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);
		57
		58	static int yyparse(struct asm_parser_state *state);
		59
		60	static char make_error_string(const char fmt, ...);
		61
		62	static void yyerror(struct YYLTYPE locp, struct asm_parser_state state,
		63	const char *s);
		64
		65	static int validate_inputs(struct YYLTYPE *locp,
		66	struct asm_parser_state *state);
		67
		68	static void init_dst_reg(struct prog_dst_register *r);
		69
		70	static void set_dst_reg(struct prog_dst_register *r,
		71	gl_register_file file, GLint index);
		72
		73	static void init_src_reg(struct asm_src_register *r);
		74
		75	static void set_src_reg(struct asm_src_register *r,
		76	gl_register_file file, GLint index);
		77
		78	static void set_src_reg_swz(struct asm_src_register *r,
		79	gl_register_file file, GLint index, GLuint swizzle);
		80
		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);
		84
		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);
		88
		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);
		93
		94	#ifndef FALSE
		95	#define FALSE 0
		96	#define TRUE (!FALSE)
		97	#endif
		98
		99	#define YYLLOC_DEFAULT(Current, Rhs, N) \
		100	do { \
		101	if (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; \
		107	} else { \
		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; \
		114	} \
		115	} while(0)
		116	%}
		117
		118	%pure-parser
		119	%locations
		120	%lex-param { struct asm_parser_state *state }
		121	%parse-param { struct asm_parser_state *state }
		122	%error-verbose
		123
		124	%union {
		125	struct asm_instruction *inst;
		126	struct asm_symbol *sym;
		127	struct asm_symbol temp_sym;
		128	struct asm_swizzle_mask swiz_mask;
		129	struct asm_src_register src_reg;
		130	struct prog_dst_register dst_reg;
		131	struct prog_instruction temp_inst;
		132	char *string;
		133	unsigned result;
		134	unsigned attrib;
		135	int integer;
		136	float real;
		137	gl_state_index state[STATE_LENGTH];
		138	int negate;
		139	struct asm_vector vector;
		140	gl_inst_opcode opcode;
		141
		142	struct {
		143	unsigned swz;
		144	unsigned rgba_valid:1;
		145	unsigned xyzw_valid:1;
		146	unsigned negate:1;
		147	} ext_swizzle;
		148	}
		149
		150	%token ARBvp_10 ARBfp_10
		151
		152	/* Tokens for assembler pseudo-ops */
		153	%token ADDRESS
		154	%token ALIAS ATTRIB
		155	%token OPTION OUTPUT
		156	%token PARAM
		157	%token TEMP
		158	%token END
		159
		160	/* Tokens for instructions */
		161	%token BIN_OP BINSC_OP SAMPLE_OP SCALAR_OP TRI_OP VECTOR_OP
		162	%token ARL KIL SWZ TXD_OP
		163
		164	%token INTEGER
		165	%token REAL
		166
		167	%token AMBIENT ATTENUATION
		168	%token BACK
		169	%token CLIP COLOR
		170	%token DEPTH DIFFUSE DIRECTION
		171	%token EMISSION ENV EYE
		172	%token FOG FOGCOORD FRAGMENT FRONT
		173	%token HALF
		174	%token INVERSE INVTRANS
		175	%token LIGHT LIGHTMODEL LIGHTPROD LOCAL
		176	%token MATERIAL MAT_PROGRAM MATRIX MATRIXINDEX MODELVIEW MVP
		177	%token NORMAL
		178	%token OBJECT
		179	%token PALETTE PARAMS PLANE POINT_TOK POINTSIZE POSITION PRIMARY PROGRAM PROJECTION
		180	%token RANGE RESULT ROW
		181	%token SCENECOLOR SECONDARY SHININESS SIZE_TOK SPECULAR SPOT STATE
		182	%token TEXCOORD TEXENV TEXGEN TEXGEN_Q TEXGEN_R TEXGEN_S TEXGEN_T TEXTURE TRANSPOSE
		183	%token TEXTURE_UNIT TEX_1D TEX_2D TEX_3D TEX_CUBE TEX_RECT
		184	%token TEX_SHADOW1D TEX_SHADOW2D TEX_SHADOWRECT
		185	%token TEX_ARRAY1D TEX_ARRAY2D TEX_ARRAYSHADOW1D TEX_ARRAYSHADOW2D
		186	%token VERTEX VTXATTRIB
		187	%token WEIGHT
		188
		189	%token IDENTIFIER USED_IDENTIFIER
		190	%type string
		191	%token MASK4 MASK3 MASK2 MASK1 SWIZZLE
		192	%token DOT_DOT
		193	%token DOT
		194
		195	%type instruction ALU_instruction TexInstruction
		196	%type ARL_instruction VECTORop_instruction
		197	%type SCALARop_instruction BINSCop_instruction BINop_instruction
		198	%type TRIop_instruction TXD_instruction SWZ_instruction SAMPLE_instruction
		199	%type KIL_instruction
		200
		201	%type dstReg maskedDstReg maskedAddrReg
		202	%type srcReg scalarUse scalarSrcReg swizzleSrcReg
		203	%type scalarSuffix swizzleSuffix extendedSwizzle
		204	%type extSwizComp extSwizSel
		205	%type optionalMask
		206
		207	%type progParamArray
		208	%type addrRegRelOffset addrRegPosOffset addrRegNegOffset
		209	%type progParamArrayMem progParamArrayAbs progParamArrayRel
		210	%type addrReg
		211	%type addrComponent addrWriteMask
		212
		213	%type ccMaskRule ccTest ccMaskRule2 ccTest2 optionalCcMask
		214
		215	%type resultBinding resultColBinding
		216	%type optFaceType optColorType
		217	%type optResultFaceType optResultColorType
		218
		219	%type optTexImageUnitNum texImageUnitNum
		220	%type optTexCoordUnitNum texCoordUnitNum
		221	%type optLegacyTexUnitNum legacyTexUnitNum
		222	%type texImageUnit texTarget
		223	%type vtxAttribNum
		224
		225	%type attribBinding vtxAttribItem fragAttribItem
		226
		227	%type paramSingleInit paramSingleItemDecl
		228	%type optArraySize
		229
		230	%type stateSingleItem stateMultipleItem
		231	%type stateMaterialItem
		232	%type stateLightItem stateLightModelItem stateLightProdItem
		233	%type stateTexGenItem stateFogItem stateClipPlaneItem statePointItem
		234	%type stateMatrixItem stateMatrixRow stateMatrixRows
		235	%type stateTexEnvItem stateDepthItem
		236
		237	%type stateLModProperty
		238	%type stateMatrixName optMatrixRows
		239
		240	%type stateMatProperty
		241	%type stateLightProperty stateSpotProperty
		242	%type stateLightNumber stateLProdProperty
		243	%type stateTexGenType stateTexGenCoord
		244	%type stateTexEnvProperty
		245	%type stateFogProperty
		246	%type stateClipPlaneNum
		247	%type statePointProperty
		248
		249	%type stateOptMatModifier stateMatModifier stateMatrixRowNum
		250	%type stateOptModMatNum stateModMatNum statePaletteMatNum
		251	%type stateProgramMatNum
		252
		253	%type ambDiffSpecProperty
		254
		255	%type programSingleItem progEnvParam progLocalParam
		256	%type programMultipleItem progEnvParams progLocalParams
		257
		258	%type paramMultipleInit paramMultInitList paramMultipleItem
		259	%type paramSingleItemUse
		260
		261	%type progEnvParamNum progLocalParamNum
		262	%type progEnvParamNums progLocalParamNums
		263
		264	%type paramConstDecl paramConstUse
		265	%type paramConstScalarDecl paramConstScalarUse paramConstVector
		266	%type signedFloatConstant
		267	%type optionalSign
		268
		269	%{
		270	extern int
		271	_mesa_program_lexer_lex(YYSTYPE yylval_param, YYLTYPE yylloc_param,
		272	void *yyscanner);
		273
		274	static int
		275	yylex(YYSTYPE yylval_param, YYLTYPE yylloc_param,
		276	struct asm_parser_state *state)
		277	{
		278	return _mesa_program_lexer_lex(yylval_param, yylloc_param, state->scanner);
		279	}
		280	%}
		281
		282	%%
		283
		284	program: language optionSequence statementSequence END
		285	;
		286
		287	language: ARBvp_10
		288	{
		289	if (state->prog->Target != GL_VERTEX_PROGRAM_ARB) {
		290	yyerror(& @1, state, "invalid fragment program header");
		291
		292	}
		293	state->mode = ARB_vertex;
		294	}
		295	\| ARBfp_10
		296	{
		297	if (state->prog->Target != GL_FRAGMENT_PROGRAM_ARB) {
		298	yyerror(& @1, state, "invalid vertex program header");
		299	}
		300	state->mode = ARB_fragment;
		301
		302	state->option.TexRect =
		303	(state->ctx->Extensions.NV_texture_rectangle != GL_FALSE);
		304	}
		305	;
		306
		307	optionSequence: optionSequence option
		308	\|
		309	;
		310
		311	option: OPTION string ';'
		312	{
		313	int valid = 0;
		314
		315	if (state->mode == ARB_vertex) {
		316	valid = _mesa_ARBvp_parse_option(state, $2);
		317	} else if (state->mode == ARB_fragment) {
		318	valid = _mesa_ARBfp_parse_option(state, $2);
		319	}
		320
		321
		322	free($2);
		323
		324	if (!valid) {
		325	const char *const err_str = (state->mode == ARB_vertex)
		326	? "invalid ARB vertex program option"
		327	: "invalid ARB fragment program option";
		328
		329	yyerror(& @2, state, err_str);
		330	YYERROR;
		331	}
		332	}
		333	;
		334
		335	statementSequence: statementSequence statement
		336	\|
		337	;
		338
		339	statement: instruction ';'
		340	{
		341	if ($1 != NULL) {
		342	if (state->inst_tail == NULL) {
		343	state->inst_head = $1;
		344	} else {
		345	state->inst_tail->next = $1;
		346	}
		347
		348	state->inst_tail = $1;
		349	$1->next = NULL;
		350
		351	state->prog->NumInstructions++;
		352	}
		353	}
		354	\| namingStatement ';'
		355	;
		356
		357	instruction: ALU_instruction
		358	{
		359	$$ = $1;
		360	state->prog->NumAluInstructions++;
		361	}
		362	\| TexInstruction
		363	{
		364	$$ = $1;
		365	state->prog->NumTexInstructions++;
		366	}
		367	;
		368
		369	ALU_instruction: ARL_instruction
		370	\| VECTORop_instruction
		371	\| SCALARop_instruction
		372	\| BINSCop_instruction
		373	\| BINop_instruction
		374	\| TRIop_instruction
		375	\| SWZ_instruction
		376	;
		377
		378	TexInstruction: SAMPLE_instruction
		379	\| KIL_instruction
		380	\| TXD_instruction
		381	;
		382
		383	ARL_instruction: ARL maskedAddrReg ',' scalarSrcReg
		384	{
		385	$$ = asm_instruction_ctor(OPCODE_ARL, & $2, & $4, NULL, NULL);
		386	}
		387	;
		388
		389	VECTORop_instruction: VECTOR_OP maskedDstReg ',' swizzleSrcReg
		390	{
		391	if ($1.Opcode == OPCODE_DDY)
		392	state->fragment.UsesDFdy = 1;
		393	$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
		394	}
		395	;
		396
		397	SCALARop_instruction: SCALAR_OP maskedDstReg ',' scalarSrcReg
		398	{
		399	$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
		400	}
		401	;
		402
		403	BINSCop_instruction: BINSC_OP maskedDstReg ',' scalarSrcReg ',' scalarSrcReg
		404	{
		405	$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, NULL);
		406	}
		407	;
		408
		409
		410	BINop_instruction: BIN_OP maskedDstReg ',' swizzleSrcReg ',' swizzleSrcReg
		411	{
		412	$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, NULL);
		413	}
		414	;
		415
		416	TRIop_instruction: TRI_OP maskedDstReg ','
		417	swizzleSrcReg ',' swizzleSrcReg ',' swizzleSrcReg
		418	{
		419	$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, & $8);
		420	}
		421	;
		422
		423	SAMPLE_instruction: SAMPLE_OP maskedDstReg ',' swizzleSrcReg ',' texImageUnit ',' texTarget
		424	{
		425	$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
		426	if ($$ != NULL) {
		427	const GLbitfield tex_mask = (1U << $6);
		428	GLbitfield shadow_tex = 0;
		429	GLbitfield target_mask = 0;
		430
		431
		432	$$->Base.TexSrcUnit = $6;
		433
		434	if ($8 < 0) {
		435	shadow_tex = tex_mask;
		436
		437	$$->Base.TexSrcTarget = -$8;
		438	$$->Base.TexShadow = 1;
		439	} else {
		440	$$->Base.TexSrcTarget = $8;
		441	}
		442
		443	target_mask = (1U << $$->Base.TexSrcTarget);
		444
		445	/* If this texture unit was previously accessed and that access
		446	* had a different texture target, generate an error.
		447	*
		448	* If this texture unit was previously accessed and that access
		449	* had a different shadow mode, generate an error.
		450	*/
		451	if ((state->prog->TexturesUsed[$6] != 0)
		452	&& ((state->prog->TexturesUsed[$6] != target_mask)
		453	\|\| ((state->prog->ShadowSamplers & tex_mask)
		454	!= shadow_tex))) {
		455	yyerror(& @8, state,
		456	"multiple targets used on one texture image unit");
		457	YYERROR;
		458	}
		459
		460
		461	state->prog->TexturesUsed[$6] \|= target_mask;
		462	state->prog->ShadowSamplers \|= shadow_tex;
		463	}
		464	}
		465	;
		466
		467	KIL_instruction: KIL swizzleSrcReg
		468	{
		469	$$ = asm_instruction_ctor(OPCODE_KIL, NULL, & $2, NULL, NULL);
		470	state->fragment.UsesKill = 1;
		471	}
		472	\| KIL ccTest
		473	{
		474	$$ = asm_instruction_ctor(OPCODE_KIL_NV, NULL, NULL, NULL, NULL);
		475	$$->Base.DstReg.CondMask = $2.CondMask;
		476	$$->Base.DstReg.CondSwizzle = $2.CondSwizzle;
		477	state->fragment.UsesKill = 1;
		478	}
		479	;
		480
		481	TXD_instruction: TXD_OP maskedDstReg ',' swizzleSrcReg ',' swizzleSrcReg ',' swizzleSrcReg ',' texImageUnit ',' texTarget
		482	{
		483	$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, & $8);
		484	if ($$ != NULL) {
		485	const GLbitfield tex_mask = (1U << $10);
		486	GLbitfield shadow_tex = 0;
		487	GLbitfield target_mask = 0;
		488
		489
		490	$$->Base.TexSrcUnit = $10;
		491
		492	if ($12 < 0) {
		493	shadow_tex = tex_mask;
		494
		495	$$->Base.TexSrcTarget = -$12;
		496	$$->Base.TexShadow = 1;
		497	} else {
		498	$$->Base.TexSrcTarget = $12;
		499	}
		500
		501	target_mask = (1U << $$->Base.TexSrcTarget);
		502
		503	/* If this texture unit was previously accessed and that access
		504	* had a different texture target, generate an error.
		505	*
		506	* If this texture unit was previously accessed and that access
		507	* had a different shadow mode, generate an error.
		508	*/
		509	if ((state->prog->TexturesUsed[$10] != 0)
		510	&& ((state->prog->TexturesUsed[$10] != target_mask)
		511	\|\| ((state->prog->ShadowSamplers & tex_mask)
		512	!= shadow_tex))) {
		513	yyerror(& @12, state,
		514	"multiple targets used on one texture image unit");
		515	YYERROR;
		516	}
		517
		518
		519	state->prog->TexturesUsed[$10] \|= target_mask;
		520	state->prog->ShadowSamplers \|= shadow_tex;
		521	}
		522	}
		523	;
		524
		525	texImageUnit: TEXTURE_UNIT optTexImageUnitNum
		526	{
		527	$$ = $2;
		528	}
		529	;
		530
		531	texTarget: TEX_1D { $$ = TEXTURE_1D_INDEX; }
		532	\| TEX_2D { $$ = TEXTURE_2D_INDEX; }
		533	\| TEX_3D { $$ = TEXTURE_3D_INDEX; }
		534	\| TEX_CUBE { $$ = TEXTURE_CUBE_INDEX; }
		535	\| TEX_RECT { $$ = TEXTURE_RECT_INDEX; }
		536	\| TEX_SHADOW1D { $$ = -TEXTURE_1D_INDEX; }
		537	\| TEX_SHADOW2D { $$ = -TEXTURE_2D_INDEX; }
		538	\| TEX_SHADOWRECT { $$ = -TEXTURE_RECT_INDEX; }
		539	\| TEX_ARRAY1D { $$ = TEXTURE_1D_ARRAY_INDEX; }
		540	\| TEX_ARRAY2D { $$ = TEXTURE_2D_ARRAY_INDEX; }
		541	\| TEX_ARRAYSHADOW1D { $$ = -TEXTURE_1D_ARRAY_INDEX; }
		542	\| TEX_ARRAYSHADOW2D { $$ = -TEXTURE_2D_ARRAY_INDEX; }
		543	;
		544
		545	SWZ_instruction: SWZ maskedDstReg ',' srcReg ',' extendedSwizzle
		546	{
		547	/* FIXME: Is this correct? Should the extenedSwizzle be applied
		548	* FIXME: to the existing swizzle?
		549	*/
		550	$4.Base.Swizzle = $6.swizzle;
		551	$4.Base.Negate = $6.mask;
		552
		553	$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
		554	}
		555	;
		556
		557	scalarSrcReg: optionalSign scalarUse
		558	{
		559	$$ = $2;
		560
		561	if ($1) {
		562	$$.Base.Negate = ~$$.Base.Negate;
		563	}
		564	}
		565	\| optionalSign '\|' scalarUse '\|'
		566	{
		567	$$ = $3;
		568
		569	if (!state->option.NV_fragment) {
		570	yyerror(& @2, state, "unexpected character '\|'");
		571	YYERROR;
		572	}
		573
		574	if ($1) {
		575	$$.Base.Negate = ~$$.Base.Negate;
		576	}
		577
		578	$$.Base.Abs = 1;
		579	}
		580	;
		581
		582	scalarUse: srcReg scalarSuffix
		583	{
		584	$$ = $1;
		585
		586	$$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle,
		587	$2.swizzle);
		588	}
		589	\| paramConstScalarUse
		590	{
		591	struct asm_symbol temp_sym;
		592
		593	if (!state->option.NV_fragment) {
		594	yyerror(& @1, state, "expected scalar suffix");
		595	YYERROR;
		596	}
		597
		598	memset(& temp_sym, 0, sizeof(temp_sym));
		599	temp_sym.param_binding_begin = ~0;
		600	initialize_symbol_from_const(state->prog, & temp_sym, & $1, GL_TRUE);
		601
		602	set_src_reg_swz(& $$, PROGRAM_CONSTANT,
		603	temp_sym.param_binding_begin,
		604	temp_sym.param_binding_swizzle);
		605	}
		606	;
		607
		608	swizzleSrcReg: optionalSign srcReg swizzleSuffix
		609	{
		610	$$ = $2;
		611
		612	if ($1) {
		613	$$.Base.Negate = ~$$.Base.Negate;
		614	}
		615
		616	$$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle,
		617	$3.swizzle);
		618	}
		619	\| optionalSign '\|' srcReg swizzleSuffix '\|'
		620	{
		621	$$ = $3;
		622
		623	if (!state->option.NV_fragment) {
		624	yyerror(& @2, state, "unexpected character '\|'");
		625	YYERROR;
		626	}
		627
		628	if ($1) {
		629	$$.Base.Negate = ~$$.Base.Negate;
		630	}
		631
		632	$$.Base.Abs = 1;
		633	$$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle,
		634	$4.swizzle);
		635	}
		636
		637	;
		638
		639	maskedDstReg: dstReg optionalMask optionalCcMask
		640	{
		641	$$ = $1;
		642	$$.WriteMask = $2.mask;
		643	$$.CondMask = $3.CondMask;
		644	$$.CondSwizzle = $3.CondSwizzle;
		645
		646	if ($$.File == PROGRAM_OUTPUT) {
		647	/* Technically speaking, this should check that it is in
		648	* vertex program mode. However, PositionInvariant can never be
		649	* set in fragment program mode, so it is somewhat irrelevant.
		650	*/
		651	if (state->option.PositionInvariant
		652	&& ($$.Index == VARYING_SLOT_POS)) {
		653	yyerror(& @1, state, "position-invariant programs cannot "
		654	"write position");
		655	YYERROR;
		656	}
		657
		658	state->prog->OutputsWritten \|= BITFIELD64_BIT($$.Index);
		659	}
		660	}
		661	;
		662
		663	maskedAddrReg: addrReg addrWriteMask
		664	{
		665	set_dst_reg(& $$, PROGRAM_ADDRESS, 0);
		666	$$.WriteMask = $2.mask;
		667	}
		668	;
		669
		670	extendedSwizzle: extSwizComp ',' extSwizComp ',' extSwizComp ',' extSwizComp
		671	{
		672	const unsigned xyzw_valid =
		673	($1.xyzw_valid << 0)
		674	\| ($3.xyzw_valid << 1)
		675	\| ($5.xyzw_valid << 2)
		676	\| ($7.xyzw_valid << 3);
		677	const unsigned rgba_valid =
		678	($1.rgba_valid << 0)
		679	\| ($3.rgba_valid << 1)
		680	\| ($5.rgba_valid << 2)
		681	\| ($7.rgba_valid << 3);
		682
		683	/* All of the swizzle components have to be valid in either RGBA
		684	* or XYZW. Note that 0 and 1 are valid in both, so both masks
		685	* can have some bits set.
		686	*
		687	* We somewhat deviate from the spec here. It would be really hard
		688	* to figure out which component is the error, and there probably
		689	* isn't a lot of benefit.
		690	*/
		691	if ((rgba_valid != 0x0f) && (xyzw_valid != 0x0f)) {
		692	yyerror(& @1, state, "cannot combine RGBA and XYZW swizzle "
		693	"components");
		694	YYERROR;
		695	}
		696
		697	$$.swizzle = MAKE_SWIZZLE4($1.swz, $3.swz, $5.swz, $7.swz);
		698	$$.mask = ($1.negate) \| ($3.negate << 1) \| ($5.negate << 2)
		699	\| ($7.negate << 3);
		700	}
		701	;
		702
		703	extSwizComp: optionalSign extSwizSel
		704	{
		705	$$ = $2;
		706	$$.negate = ($1) ? 1 : 0;
		707	}
		708	;
		709
		710	extSwizSel: INTEGER
		711	{
		712	if (($1 != 0) && ($1 != 1)) {
		713	yyerror(& @1, state, "invalid extended swizzle selector");
		714	YYERROR;
		715	}
		716
		717	$$.swz = ($1 == 0) ? SWIZZLE_ZERO : SWIZZLE_ONE;
		718	$$.negate = 0;
		719
		720	/* 0 and 1 are valid for both RGBA swizzle names and XYZW
		721	* swizzle names.
		722	*/
		723	$$.xyzw_valid = 1;
		724	$$.rgba_valid = 1;
		725	}
		726	\| string
		727	{
		728	char s;
		729
		730	if (strlen($1) > 1) {
		731	yyerror(& @1, state, "invalid extended swizzle selector");
		732	YYERROR;
		733	}
		734
		735	s = $1[0];
		736	free($1);
		737
		738	$$.rgba_valid = 0;
		739	$$.xyzw_valid = 0;
		740	$$.negate = 0;
		741
		742	switch (s) {
		743	case 'x':
		744	$$.swz = SWIZZLE_X;
		745	$$.xyzw_valid = 1;
		746	break;
		747	case 'y':
		748	$$.swz = SWIZZLE_Y;
		749	$$.xyzw_valid = 1;
		750	break;
		751	case 'z':
		752	$$.swz = SWIZZLE_Z;
		753	$$.xyzw_valid = 1;
		754	break;
		755	case 'w':
		756	$$.swz = SWIZZLE_W;
		757	$$.xyzw_valid = 1;
		758	break;
		759
		760	case 'r':
		761	$$.swz = SWIZZLE_X;
		762	$$.rgba_valid = 1;
		763	break;
		764	case 'g':
		765	$$.swz = SWIZZLE_Y;
		766	$$.rgba_valid = 1;
		767	break;
		768	case 'b':
		769	$$.swz = SWIZZLE_Z;
		770	$$.rgba_valid = 1;
		771	break;
		772	case 'a':
		773	$$.swz = SWIZZLE_W;
		774	$$.rgba_valid = 1;
		775	break;
		776
		777	default:
		778	yyerror(& @1, state, "invalid extended swizzle selector");
		779	YYERROR;
		780	break;
		781	}
		782	}
		783	;
		784
		785	srcReg: USED_IDENTIFIER /* temporaryReg \| progParamSingle */
		786	{
		787	struct asm_symbol const s = (struct asm_symbol )
		788	_mesa_symbol_table_find_symbol(state->st, 0, $1);
		789
		790	free($1);
		791
		792	if (s == NULL) {
		793	yyerror(& @1, state, "invalid operand variable");
		794	YYERROR;
		795	} else if ((s->type != at_param) && (s->type != at_temp)
		796	&& (s->type != at_attrib)) {
		797	yyerror(& @1, state, "invalid operand variable");
		798	YYERROR;
		799	} else if ((s->type == at_param) && s->param_is_array) {
		800	yyerror(& @1, state, "non-array access to array PARAM");
		801	YYERROR;
		802	}
		803
		804	init_src_reg(& $$);
		805	switch (s->type) {
		806	case at_temp:
		807	set_src_reg(& $$, PROGRAM_TEMPORARY, s->temp_binding);
		808	break;
		809	case at_param:
		810	set_src_reg_swz(& $$, s->param_binding_type,
		811	s->param_binding_begin,
		812	s->param_binding_swizzle);
		813	break;
		814	case at_attrib:
		815	set_src_reg(& $$, PROGRAM_INPUT, s->attrib_binding);
		816	state->prog->InputsRead \|= BITFIELD64_BIT($$.Base.Index);
		817
		818	if (!validate_inputs(& @1, state)) {
		819	YYERROR;
		820	}
		821	break;
		822
		823	default:
		824	YYERROR;
		825	break;
		826	}
		827	}
		828	\| attribBinding
		829	{
		830	set_src_reg(& $$, PROGRAM_INPUT, $1);
		831	state->prog->InputsRead \|= BITFIELD64_BIT($$.Base.Index);
		832
		833	if (!validate_inputs(& @1, state)) {
		834	YYERROR;
		835	}
		836	}
		837	\| progParamArray '[' progParamArrayMem ']'
		838	{
		839	if (! $3.Base.RelAddr
		840	&& ((unsigned) $3.Base.Index >= $1->param_binding_length)) {
		841	yyerror(& @3, state, "out of bounds array access");
		842	YYERROR;
		843	}
		844
		845	init_src_reg(& $$);
		846	$$.Base.File = $1->param_binding_type;
		847
		848	if ($3.Base.RelAddr) {
		849	state->prog->IndirectRegisterFiles \|= (1 << $$.Base.File);
		850	$1->param_accessed_indirectly = 1;
		851
		852	$$.Base.RelAddr = 1;
		853	$$.Base.Index = $3.Base.Index;
		854	$$.Symbol = $1;
		855	} else {
		856	$$.Base.Index = $1->param_binding_begin + $3.Base.Index;
		857	}
		858	}
		859	\| paramSingleItemUse
		860	{
		861	gl_register_file file = ($1.name != NULL)
		862	? $1.param_binding_type
		863	: PROGRAM_CONSTANT;
		864	set_src_reg_swz(& $$, file, $1.param_binding_begin,
		865	$1.param_binding_swizzle);
		866	}
		867	;
		868
		869	dstReg: resultBinding
		870	{
		871	set_dst_reg(& $$, PROGRAM_OUTPUT, $1);
		872	}
		873	\| USED_IDENTIFIER /* temporaryReg \| vertexResultReg */
		874	{
		875	struct asm_symbol const s = (struct asm_symbol )
		876	_mesa_symbol_table_find_symbol(state->st, 0, $1);
		877
		878	free($1);
		879
		880	if (s == NULL) {
		881	yyerror(& @1, state, "invalid operand variable");
		882	YYERROR;
		883	} else if ((s->type != at_output) && (s->type != at_temp)) {
		884	yyerror(& @1, state, "invalid operand variable");
		885	YYERROR;
		886	}
		887
		888	switch (s->type) {
		889	case at_temp:
		890	set_dst_reg(& $$, PROGRAM_TEMPORARY, s->temp_binding);
		891	break;
		892	case at_output:
		893	set_dst_reg(& $$, PROGRAM_OUTPUT, s->output_binding);
		894	break;
		895	default:
		896	set_dst_reg(& $$, s->param_binding_type, s->param_binding_begin);
		897	break;
		898	}
		899	}
		900	;
		901
		902	progParamArray: USED_IDENTIFIER
		903	{
		904	struct asm_symbol const s = (struct asm_symbol )
		905	_mesa_symbol_table_find_symbol(state->st, 0, $1);
		906
		907	free($1);
		908
		909	if (s == NULL) {
		910	yyerror(& @1, state, "invalid operand variable");
		911	YYERROR;
		912	} else if ((s->type != at_param) \|\| !s->param_is_array) {
		913	yyerror(& @1, state, "array access to non-PARAM variable");
		914	YYERROR;
		915	} else {
		916	$$ = s;
		917	}
		918	}
		919	;
		920
		921	progParamArrayMem: progParamArrayAbs \| progParamArrayRel;
		922
		923	progParamArrayAbs: INTEGER
		924	{
		925	init_src_reg(& $$);
		926	$$.Base.Index = $1;
		927	}
		928	;
		929
		930	progParamArrayRel: addrReg addrComponent addrRegRelOffset
		931	{
		932	/* FINISHME: Add support for multiple address registers.
		933	*/
		934	/* FINISHME: Add support for 4-component address registers.
		935	*/
		936	init_src_reg(& $$);
		937	$$.Base.RelAddr = 1;
		938	$$.Base.Index = $3;
		939	}
		940	;
		941
		942	addrRegRelOffset: { $$ = 0; }
		943	\| '+' addrRegPosOffset { $$ = $2; }
		944	\| '-' addrRegNegOffset { $$ = -$2; }
		945	;
		946
		947	addrRegPosOffset: INTEGER
		948	{
		949	if (($1 < 0) \|\| ($1 > (state->limits->MaxAddressOffset - 1))) {
		950	char s[100];
		951	_mesa_snprintf(s, sizeof(s),
		952	"relative address offset too large (%d)", $1);
		953	yyerror(& @1, state, s);
		954	YYERROR;
		955	} else {
		956	$$ = $1;
		957	}
		958	}
		959	;
		960
		961	addrRegNegOffset: INTEGER
		962	{
		963	if (($1 < 0) \|\| ($1 > state->limits->MaxAddressOffset)) {
		964	char s[100];
		965	_mesa_snprintf(s, sizeof(s),
		966	"relative address offset too large (%d)", $1);
		967	yyerror(& @1, state, s);
		968	YYERROR;
		969	} else {
		970	$$ = $1;
		971	}
		972	}
		973	;
		974
		975	addrReg: USED_IDENTIFIER
		976	{
		977	struct asm_symbol const s = (struct asm_symbol )
		978	_mesa_symbol_table_find_symbol(state->st, 0, $1);
		979
		980	free($1);
		981
		982	if (s == NULL) {
		983	yyerror(& @1, state, "invalid array member");
		984	YYERROR;
		985	} else if (s->type != at_address) {
		986	yyerror(& @1, state,
		987	"invalid variable for indexed array access");
		988	YYERROR;
		989	} else {
		990	$$ = s;
		991	}
		992	}
		993	;
		994
		995	addrComponent: MASK1
		996	{
		997	if ($1.mask != WRITEMASK_X) {
		998	yyerror(& @1, state, "invalid address component selector");
		999	YYERROR;
		1000	} else {
		1001	$$ = $1;
		1002	}
		1003	}
		1004	;
		1005
		1006	addrWriteMask: MASK1
		1007	{
		1008	if ($1.mask != WRITEMASK_X) {
		1009	yyerror(& @1, state,
		1010	"address register write mask must be \".x\"");
		1011	YYERROR;
		1012	} else {
		1013	$$ = $1;
		1014	}
		1015	}
		1016	;
		1017
		1018	scalarSuffix: MASK1;
		1019
		1020	swizzleSuffix: MASK1
		1021	\| MASK4
		1022	\| SWIZZLE
		1023	\| { $$.swizzle = SWIZZLE_NOOP; $$.mask = WRITEMASK_XYZW; }
		1024	;
		1025
		1026	optionalMask: MASK4 \| MASK3 \| MASK2 \| MASK1
		1027	\| { $$.swizzle = SWIZZLE_NOOP; $$.mask = WRITEMASK_XYZW; }
		1028	;
		1029
		1030	optionalCcMask: '(' ccTest ')'
		1031	{
		1032	$$ = $2;
		1033	}
		1034	\| '(' ccTest2 ')'
		1035	{
		1036	$$ = $2;
		1037	}
		1038	\|
		1039	{
		1040	$$.CondMask = COND_TR;
		1041	$$.CondSwizzle = SWIZZLE_NOOP;
		1042	}
		1043	;
		1044
		1045	ccTest: ccMaskRule swizzleSuffix
		1046	{
		1047	$$ = $1;
		1048	$$.CondSwizzle = $2.swizzle;
		1049	}
		1050	;
		1051
		1052	ccTest2: ccMaskRule2 swizzleSuffix
		1053	{
		1054	$$ = $1;
		1055	$$.CondSwizzle = $2.swizzle;
		1056	}
		1057	;
		1058
		1059	ccMaskRule: IDENTIFIER
		1060	{
		1061	const int cond = _mesa_parse_cc($1);
		1062	if ((cond == 0) \|\| ($1[2] != '\0')) {
		1063	char *const err_str =
		1064	make_error_string("invalid condition code \"%s\"", $1);
		1065
		1066	yyerror(& @1, state, (err_str != NULL)
		1067	? err_str : "invalid condition code");
		1068
		1069	if (err_str != NULL) {
		1070	free(err_str);
		1071	}
		1072
		1073	YYERROR;
		1074	}
		1075
		1076	$$.CondMask = cond;
		1077	$$.CondSwizzle = SWIZZLE_NOOP;
		1078	}
		1079	;
		1080
		1081	ccMaskRule2: USED_IDENTIFIER
		1082	{
		1083	const int cond = _mesa_parse_cc($1);
		1084	if ((cond == 0) \|\| ($1[2] != '\0')) {
		1085	char *const err_str =
		1086	make_error_string("invalid condition code \"%s\"", $1);
		1087
		1088	yyerror(& @1, state, (err_str != NULL)
		1089	? err_str : "invalid condition code");
		1090
		1091	if (err_str != NULL) {
		1092	free(err_str);
		1093	}
		1094
		1095	YYERROR;
		1096	}
		1097
		1098	$$.CondMask = cond;
		1099	$$.CondSwizzle = SWIZZLE_NOOP;
		1100	}
		1101	;
		1102
		1103	namingStatement: ATTRIB_statement
		1104	\| PARAM_statement
		1105	\| TEMP_statement
		1106	\| ADDRESS_statement
		1107	\| OUTPUT_statement
		1108	\| ALIAS_statement
		1109	;
		1110
		1111	ATTRIB_statement: ATTRIB IDENTIFIER '=' attribBinding
		1112	{
		1113	struct asm_symbol *const s =
		1114	declare_variable(state, $2, at_attrib, & @2);
		1115
		1116	if (s == NULL) {
		1117	free($2);
		1118	YYERROR;
		1119	} else {
		1120	s->attrib_binding = $4;
		1121	state->InputsBound \|= BITFIELD64_BIT(s->attrib_binding);
		1122
		1123	if (!validate_inputs(& @4, state)) {
		1124	YYERROR;
		1125	}
		1126	}
		1127	}
		1128	;
		1129
		1130	attribBinding: VERTEX vtxAttribItem
		1131	{
		1132	$$ = $2;
		1133	}
		1134	\| FRAGMENT fragAttribItem
		1135	{
		1136	$$ = $2;
		1137	}
		1138	;
		1139
		1140	vtxAttribItem: POSITION
		1141	{
		1142	$$ = VERT_ATTRIB_POS;
		1143	}
		1144	\| WEIGHT vtxOptWeightNum
		1145	{
		1146	$$ = VERT_ATTRIB_WEIGHT;
		1147	}
		1148	\| NORMAL
		1149	{
		1150	$$ = VERT_ATTRIB_NORMAL;
		1151	}
		1152	\| COLOR optColorType
		1153	{
		1154	$$ = VERT_ATTRIB_COLOR0 + $2;
		1155	}
		1156	\| FOGCOORD
		1157	{
		1158	$$ = VERT_ATTRIB_FOG;
		1159	}
		1160	\| TEXCOORD optTexCoordUnitNum
		1161	{
		1162	$$ = VERT_ATTRIB_TEX0 + $2;
		1163	}
		1164	\| MATRIXINDEX '[' vtxWeightNum ']'
		1165	{
		1166	yyerror(& @1, state, "GL_ARB_matrix_palette not supported");
		1167	YYERROR;
		1168	}
		1169	\| VTXATTRIB '[' vtxAttribNum ']'
		1170	{
		1171	$$ = VERT_ATTRIB_GENERIC0 + $3;
		1172	}
		1173	;
		1174
		1175	vtxAttribNum: INTEGER
		1176	{
		1177	if ((unsigned) $1 >= state->limits->MaxAttribs) {
		1178	yyerror(& @1, state, "invalid vertex attribute reference");
		1179	YYERROR;
		1180	}
		1181
		1182	$$ = $1;
		1183	}
		1184	;
		1185
		1186	vtxOptWeightNum: \| '[' vtxWeightNum ']';
		1187	vtxWeightNum: INTEGER;
		1188
		1189	fragAttribItem: POSITION
		1190	{
		1191	$$ = VARYING_SLOT_POS;
		1192	}
		1193	\| COLOR optColorType
		1194	{
		1195	$$ = VARYING_SLOT_COL0 + $2;
		1196	}
		1197	\| FOGCOORD
		1198	{
		1199	$$ = VARYING_SLOT_FOGC;
		1200	}
		1201	\| TEXCOORD optTexCoordUnitNum
		1202	{
		1203	$$ = VARYING_SLOT_TEX0 + $2;
		1204	}
		1205	;
		1206
		1207	PARAM_statement: PARAM_singleStmt \| PARAM_multipleStmt;
		1208
		1209	PARAM_singleStmt: PARAM IDENTIFIER paramSingleInit
		1210	{
		1211	struct asm_symbol *const s =
		1212	declare_variable(state, $2, at_param, & @2);
		1213
		1214	if (s == NULL) {
		1215	free($2);
		1216	YYERROR;
		1217	} else {
		1218	s->param_binding_type = $3.param_binding_type;
		1219	s->param_binding_begin = $3.param_binding_begin;
		1220	s->param_binding_length = $3.param_binding_length;
		1221	s->param_binding_swizzle = $3.param_binding_swizzle;
		1222	s->param_is_array = 0;
		1223	}
		1224	}
		1225	;
		1226
		1227	PARAM_multipleStmt: PARAM IDENTIFIER '[' optArraySize ']' paramMultipleInit
		1228	{
		1229	if (($4 != 0) && ((unsigned) $4 != $6.param_binding_length)) {
		1230	free($2);
		1231	yyerror(& @4, state,
		1232	"parameter array size and number of bindings must match");
		1233	YYERROR;
		1234	} else {
		1235	struct asm_symbol *const s =
		1236	declare_variable(state, $2, $6.type, & @2);
		1237
		1238	if (s == NULL) {
		1239	free($2);
		1240	YYERROR;
		1241	} else {
		1242	s->param_binding_type = $6.param_binding_type;
		1243	s->param_binding_begin = $6.param_binding_begin;
		1244	s->param_binding_length = $6.param_binding_length;
		1245	s->param_binding_swizzle = SWIZZLE_XYZW;
		1246	s->param_is_array = 1;
		1247	}
		1248	}
		1249	}
		1250	;
		1251
		1252	optArraySize:
		1253	{
		1254	$$ = 0;
		1255	}
		1256	\| INTEGER
		1257	{
		1258	if (($1 < 1) \|\| ((unsigned) $1 > state->limits->MaxParameters)) {
		1259	char msg[100];
		1260	_mesa_snprintf(msg, sizeof(msg),
		1261	"invalid parameter array size (size=%d max=%u)",
		1262	$1, state->limits->MaxParameters);
		1263	yyerror(& @1, state, msg);
		1264	YYERROR;
		1265	} else {
		1266	$$ = $1;
		1267	}
		1268	}
		1269	;
		1270
		1271	paramSingleInit: '=' paramSingleItemDecl
		1272	{
		1273	$$ = $2;
		1274	}
		1275	;
		1276
		1277	paramMultipleInit: '=' '{' paramMultInitList '}'
		1278	{
		1279	$$ = $3;
		1280	}
		1281	;
		1282
		1283	paramMultInitList: paramMultipleItem
		1284	\| paramMultInitList ',' paramMultipleItem
		1285	{
		1286	$1.param_binding_length += $3.param_binding_length;
		1287	$$ = $1;
		1288	}
		1289	;
		1290
		1291	paramSingleItemDecl: stateSingleItem
		1292	{
		1293	memset(& $$, 0, sizeof($$));
		1294	$$.param_binding_begin = ~0;
		1295	initialize_symbol_from_state(state->prog, & $$, $1);
		1296	}
		1297	\| programSingleItem
		1298	{
		1299	memset(& $$, 0, sizeof($$));
		1300	$$.param_binding_begin = ~0;
		1301	initialize_symbol_from_param(state->prog, & $$, $1);
		1302	}
		1303	\| paramConstDecl
		1304	{
		1305	memset(& $$, 0, sizeof($$));
		1306	$$.param_binding_begin = ~0;
		1307	initialize_symbol_from_const(state->prog, & $$, & $1, GL_TRUE);
		1308	}
		1309	;
		1310
		1311	paramSingleItemUse: stateSingleItem
		1312	{
		1313	memset(& $$, 0, sizeof($$));
		1314	$$.param_binding_begin = ~0;
		1315	initialize_symbol_from_state(state->prog, & $$, $1);
		1316	}
		1317	\| programSingleItem
		1318	{
		1319	memset(& $$, 0, sizeof($$));
		1320	$$.param_binding_begin = ~0;
		1321	initialize_symbol_from_param(state->prog, & $$, $1);
		1322	}
		1323	\| paramConstUse
		1324	{
		1325	memset(& $$, 0, sizeof($$));
		1326	$$.param_binding_begin = ~0;
		1327	initialize_symbol_from_const(state->prog, & $$, & $1, GL_TRUE);
		1328	}
		1329	;
		1330
		1331	paramMultipleItem: stateMultipleItem
		1332	{
		1333	memset(& $$, 0, sizeof($$));
		1334	$$.param_binding_begin = ~0;
		1335	initialize_symbol_from_state(state->prog, & $$, $1);
		1336	}
		1337	\| programMultipleItem
		1338	{
		1339	memset(& $$, 0, sizeof($$));
		1340	$$.param_binding_begin = ~0;
		1341	initialize_symbol_from_param(state->prog, & $$, $1);
		1342	}
		1343	\| paramConstDecl
		1344	{
		1345	memset(& $$, 0, sizeof($$));
		1346	$$.param_binding_begin = ~0;
		1347	initialize_symbol_from_const(state->prog, & $$, & $1, GL_FALSE);
		1348	}
		1349	;
		1350
		1351	stateMultipleItem: stateSingleItem { memcpy($$, $1, sizeof($$)); }
		1352	\| STATE stateMatrixRows { memcpy($$, $2, sizeof($$)); }
		1353	;
		1354
		1355	stateSingleItem: STATE stateMaterialItem { memcpy($$, $2, sizeof($$)); }
		1356	\| STATE stateLightItem { memcpy($$, $2, sizeof($$)); }
		1357	\| STATE stateLightModelItem { memcpy($$, $2, sizeof($$)); }
		1358	\| STATE stateLightProdItem { memcpy($$, $2, sizeof($$)); }
		1359	\| STATE stateTexGenItem { memcpy($$, $2, sizeof($$)); }
		1360	\| STATE stateTexEnvItem { memcpy($$, $2, sizeof($$)); }
		1361	\| STATE stateFogItem { memcpy($$, $2, sizeof($$)); }
		1362	\| STATE stateClipPlaneItem { memcpy($$, $2, sizeof($$)); }
		1363	\| STATE statePointItem { memcpy($$, $2, sizeof($$)); }
		1364	\| STATE stateMatrixRow { memcpy($$, $2, sizeof($$)); }
		1365	\| STATE stateDepthItem { memcpy($$, $2, sizeof($$)); }
		1366	;
		1367
		1368	stateMaterialItem: MATERIAL optFaceType stateMatProperty
		1369	{
		1370	memset($$, 0, sizeof($$));
		1371	$$[0] = STATE_MATERIAL;
		1372	$$[1] = $2;
		1373	$$[2] = $3;
		1374	}
		1375	;
		1376
		1377	stateMatProperty: ambDiffSpecProperty
		1378	{
		1379	$$ = $1;
		1380	}
		1381	\| EMISSION
		1382	{
		1383	$$ = STATE_EMISSION;
		1384	}
		1385	\| SHININESS
		1386	{
		1387	$$ = STATE_SHININESS;
		1388	}
		1389	;
		1390
		1391	stateLightItem: LIGHT '[' stateLightNumber ']' stateLightProperty
		1392	{
		1393	memset($$, 0, sizeof($$));
		1394	$$[0] = STATE_LIGHT;
		1395	$$[1] = $3;
		1396	$$[2] = $5;
		1397	}
		1398	;
		1399
		1400	stateLightProperty: ambDiffSpecProperty
		1401	{
		1402	$$ = $1;
		1403	}
		1404	\| POSITION
		1405	{
		1406	$$ = STATE_POSITION;
		1407	}
		1408	\| ATTENUATION
		1409	{
		1410	if (!state->ctx->Extensions.EXT_point_parameters) {
		1411	yyerror(& @1, state, "GL_ARB_point_parameters not supported");
		1412	YYERROR;
		1413	}
		1414
		1415	$$ = STATE_ATTENUATION;
		1416	}
		1417	\| SPOT stateSpotProperty
		1418	{
		1419	$$ = $2;
		1420	}
		1421	\| HALF
		1422	{
		1423	$$ = STATE_HALF_VECTOR;
		1424	}
		1425	;
		1426
		1427	stateSpotProperty: DIRECTION
		1428	{
		1429	$$ = STATE_SPOT_DIRECTION;
		1430	}
		1431	;
		1432
		1433	stateLightModelItem: LIGHTMODEL stateLModProperty
		1434	{
		1435	$$[0] = $2[0];
		1436	$$[1] = $2[1];
		1437	}
		1438	;
		1439
		1440	stateLModProperty: AMBIENT
		1441	{
		1442	memset($$, 0, sizeof($$));
		1443	$$[0] = STATE_LIGHTMODEL_AMBIENT;
		1444	}
		1445	\| optFaceType SCENECOLOR
		1446	{
		1447	memset($$, 0, sizeof($$));
		1448	$$[0] = STATE_LIGHTMODEL_SCENECOLOR;
		1449	$$[1] = $1;
		1450	}
		1451	;
		1452
		1453	stateLightProdItem: LIGHTPROD '[' stateLightNumber ']' optFaceType stateLProdProperty
		1454	{
		1455	memset($$, 0, sizeof($$));
		1456	$$[0] = STATE_LIGHTPROD;
		1457	$$[1] = $3;
		1458	$$[2] = $5;
		1459	$$[3] = $6;
		1460	}
		1461	;
		1462
		1463	stateLProdProperty: ambDiffSpecProperty;
		1464
		1465	stateTexEnvItem: TEXENV optLegacyTexUnitNum stateTexEnvProperty
		1466	{
		1467	memset($$, 0, sizeof($$));
		1468	$$[0] = $3;
		1469	$$[1] = $2;
		1470	}
		1471	;
		1472
		1473	stateTexEnvProperty: COLOR
		1474	{
		1475	$$ = STATE_TEXENV_COLOR;
		1476	}
		1477	;
		1478
		1479	ambDiffSpecProperty: AMBIENT
		1480	{
		1481	$$ = STATE_AMBIENT;
		1482	}
		1483	\| DIFFUSE
		1484	{
		1485	$$ = STATE_DIFFUSE;
		1486	}
		1487	\| SPECULAR
		1488	{
		1489	$$ = STATE_SPECULAR;
		1490	}
		1491	;
		1492
		1493	stateLightNumber: INTEGER
		1494	{
		1495	if ((unsigned) $1 >= state->MaxLights) {
		1496	yyerror(& @1, state, "invalid light selector");
		1497	YYERROR;
		1498	}
		1499
		1500	$$ = $1;
		1501	}
		1502	;
		1503
		1504	stateTexGenItem: TEXGEN optTexCoordUnitNum stateTexGenType stateTexGenCoord
		1505	{
		1506	memset($$, 0, sizeof($$));
		1507	$$[0] = STATE_TEXGEN;
		1508	$$[1] = $2;
		1509	$$[2] = $3 + $4;
		1510	}
		1511	;
		1512
		1513	stateTexGenType: EYE
		1514	{
		1515	$$ = STATE_TEXGEN_EYE_S;
		1516	}
		1517	\| OBJECT
		1518	{
		1519	$$ = STATE_TEXGEN_OBJECT_S;
		1520	}
		1521	;
		1522	stateTexGenCoord: TEXGEN_S
		1523	{
		1524	$$ = STATE_TEXGEN_EYE_S - STATE_TEXGEN_EYE_S;
		1525	}
		1526	\| TEXGEN_T
		1527	{
		1528	$$ = STATE_TEXGEN_EYE_T - STATE_TEXGEN_EYE_S;
		1529	}
		1530	\| TEXGEN_R
		1531	{
		1532	$$ = STATE_TEXGEN_EYE_R - STATE_TEXGEN_EYE_S;
		1533	}
		1534	\| TEXGEN_Q
		1535	{
		1536	$$ = STATE_TEXGEN_EYE_Q - STATE_TEXGEN_EYE_S;
		1537	}
		1538	;
		1539
		1540	stateFogItem: FOG stateFogProperty
		1541	{
		1542	memset($$, 0, sizeof($$));
		1543	$$[0] = $2;
		1544	}
		1545	;
		1546
		1547	stateFogProperty: COLOR
		1548	{
		1549	$$ = STATE_FOG_COLOR;
		1550	}
		1551	\| PARAMS
		1552	{
		1553	$$ = STATE_FOG_PARAMS;
		1554	}
		1555	;
		1556
		1557	stateClipPlaneItem: CLIP '[' stateClipPlaneNum ']' PLANE
		1558	{
		1559	memset($$, 0, sizeof($$));
		1560	$$[0] = STATE_CLIPPLANE;
		1561	$$[1] = $3;
		1562	}
		1563	;
		1564
		1565	stateClipPlaneNum: INTEGER
		1566	{
		1567	if ((unsigned) $1 >= state->MaxClipPlanes) {
		1568	yyerror(& @1, state, "invalid clip plane selector");
		1569	YYERROR;
		1570	}
		1571
		1572	$$ = $1;
		1573	}
		1574	;
		1575
		1576	statePointItem: POINT_TOK statePointProperty
		1577	{
		1578	memset($$, 0, sizeof($$));
		1579	$$[0] = $2;
		1580	}
		1581	;
		1582
		1583	statePointProperty: SIZE_TOK
		1584	{
		1585	$$ = STATE_POINT_SIZE;
		1586	}
		1587	\| ATTENUATION
		1588	{
		1589	$$ = STATE_POINT_ATTENUATION;
		1590	}
		1591	;
		1592
		1593	stateMatrixRow: stateMatrixItem ROW '[' stateMatrixRowNum ']'
		1594	{
		1595	$$[0] = $1[0];
		1596	$$[1] = $1[1];
		1597	$$[2] = $4;
		1598	$$[3] = $4;
		1599	$$[4] = $1[2];
		1600	}
		1601	;
		1602
		1603	stateMatrixRows: stateMatrixItem optMatrixRows
		1604	{
		1605	$$[0] = $1[0];
		1606	$$[1] = $1[1];
		1607	$$[2] = $2[2];
		1608	$$[3] = $2[3];
		1609	$$[4] = $1[2];
		1610	}
		1611	;
		1612
		1613	optMatrixRows:
		1614	{
		1615	$$[2] = 0;
		1616	$$[3] = 3;
		1617	}
		1618	\| ROW '[' stateMatrixRowNum DOT_DOT stateMatrixRowNum ']'
		1619	{
		1620	/* It seems logical that the matrix row range specifier would have
		1621	* to specify a range or more than one row (i.e., $5 > $3).
		1622	* However, the ARB_vertex_program spec says "a program will fail
		1623	* to load if is greater than ." This means that $3 == $5
		1624	* is valid.
		1625	*/
		1626	if ($3 > $5) {
		1627	yyerror(& @3, state, "invalid matrix row range");
		1628	YYERROR;
		1629	}
		1630
		1631	$$[2] = $3;
		1632	$$[3] = $5;
		1633	}
		1634	;
		1635
		1636	stateMatrixItem: MATRIX stateMatrixName stateOptMatModifier
		1637	{
		1638	$$[0] = $2[0];
		1639	$$[1] = $2[1];
		1640	$$[2] = $3;
		1641	}
		1642	;
		1643
		1644	stateOptMatModifier:
		1645	{
		1646	$$ = 0;
		1647	}
		1648	\| stateMatModifier
		1649	{
		1650	$$ = $1;
		1651	}
		1652	;
		1653
		1654	stateMatModifier: INVERSE
		1655	{
		1656	$$ = STATE_MATRIX_INVERSE;
		1657	}
		1658	\| TRANSPOSE
		1659	{
		1660	$$ = STATE_MATRIX_TRANSPOSE;
		1661	}
		1662	\| INVTRANS
		1663	{
		1664	$$ = STATE_MATRIX_INVTRANS;
		1665	}
		1666	;
		1667
		1668	stateMatrixRowNum: INTEGER
		1669	{
		1670	if ($1 > 3) {
		1671	yyerror(& @1, state, "invalid matrix row reference");
		1672	YYERROR;
		1673	}
		1674
		1675	$$ = $1;
		1676	}
		1677	;
		1678
		1679	stateMatrixName: MODELVIEW stateOptModMatNum
		1680	{
		1681	$$[0] = STATE_MODELVIEW_MATRIX;
		1682	$$[1] = $2;
		1683	}
		1684	\| PROJECTION
		1685	{
		1686	$$[0] = STATE_PROJECTION_MATRIX;
		1687	$$[1] = 0;
		1688	}
		1689	\| MVP
		1690	{
		1691	$$[0] = STATE_MVP_MATRIX;
		1692	$$[1] = 0;
		1693	}
		1694	\| TEXTURE optTexCoordUnitNum
		1695	{
		1696	$$[0] = STATE_TEXTURE_MATRIX;
		1697	$$[1] = $2;
		1698	}
		1699	\| PALETTE '[' statePaletteMatNum ']'
		1700	{
		1701	yyerror(& @1, state, "GL_ARB_matrix_palette not supported");
		1702	YYERROR;
		1703	}
		1704	\| MAT_PROGRAM '[' stateProgramMatNum ']'
		1705	{
		1706	$$[0] = STATE_PROGRAM_MATRIX;
		1707	$$[1] = $3;
		1708	}
		1709	;
		1710
		1711	stateOptModMatNum:
		1712	{
		1713	$$ = 0;
		1714	}
		1715	\| '[' stateModMatNum ']'
		1716	{
		1717	$$ = $2;
		1718	}
		1719	;
		1720	stateModMatNum: INTEGER
		1721	{
		1722	/* Since GL_ARB_vertex_blend isn't supported, only modelview matrix
		1723	* zero is valid.
		1724	*/
		1725	if ($1 != 0) {
		1726	yyerror(& @1, state, "invalid modelview matrix index");
		1727	YYERROR;
		1728	}
		1729
		1730	$$ = $1;
		1731	}
		1732	;
		1733	statePaletteMatNum: INTEGER
		1734	{
		1735	/* Since GL_ARB_matrix_palette isn't supported, just let any value
		1736	* through here. The error will be generated later.
		1737	*/
		1738	$$ = $1;
		1739	}
		1740	;
		1741	stateProgramMatNum: INTEGER
		1742	{
		1743	if ((unsigned) $1 >= state->MaxProgramMatrices) {
		1744	yyerror(& @1, state, "invalid program matrix selector");
		1745	YYERROR;
		1746	}
		1747
		1748	$$ = $1;
		1749	}
		1750	;
		1751
		1752	stateDepthItem: DEPTH RANGE
		1753	{
		1754	memset($$, 0, sizeof($$));
		1755	$$[0] = STATE_DEPTH_RANGE;
		1756	}
		1757	;
		1758
		1759
		1760	programSingleItem: progEnvParam \| progLocalParam;
		1761
		1762	programMultipleItem: progEnvParams \| progLocalParams;
		1763
		1764	progEnvParams: PROGRAM ENV '[' progEnvParamNums ']'
		1765	{
		1766	memset($$, 0, sizeof($$));
		1767	$$[0] = state->state_param_enum;
		1768	$$[1] = STATE_ENV;
		1769	$$[2] = $4[0];
		1770	$$[3] = $4[1];
		1771	}
		1772	;
		1773
		1774	progEnvParamNums: progEnvParamNum
		1775	{
		1776	$$[0] = $1;
		1777	$$[1] = $1;
		1778	}
		1779	\| progEnvParamNum DOT_DOT progEnvParamNum
		1780	{
		1781	$$[0] = $1;
		1782	$$[1] = $3;
		1783	}
		1784	;
		1785
		1786	progEnvParam: PROGRAM ENV '[' progEnvParamNum ']'
		1787	{
		1788	memset($$, 0, sizeof($$));
		1789	$$[0] = state->state_param_enum;
		1790	$$[1] = STATE_ENV;
		1791	$$[2] = $4;
		1792	$$[3] = $4;
		1793	}
		1794	;
		1795
		1796	progLocalParams: PROGRAM LOCAL '[' progLocalParamNums ']'
		1797	{
		1798	memset($$, 0, sizeof($$));
		1799	$$[0] = state->state_param_enum;
		1800	$$[1] = STATE_LOCAL;
		1801	$$[2] = $4[0];
		1802	$$[3] = $4[1];
		1803	}
		1804
		1805	progLocalParamNums: progLocalParamNum
		1806	{
		1807	$$[0] = $1;
		1808	$$[1] = $1;
		1809	}
		1810	\| progLocalParamNum DOT_DOT progLocalParamNum
		1811	{
		1812	$$[0] = $1;
		1813	$$[1] = $3;
		1814	}
		1815	;
		1816
		1817	progLocalParam: PROGRAM LOCAL '[' progLocalParamNum ']'
		1818	{
		1819	memset($$, 0, sizeof($$));
		1820	$$[0] = state->state_param_enum;
		1821	$$[1] = STATE_LOCAL;
		1822	$$[2] = $4;
		1823	$$[3] = $4;
		1824	}
		1825	;
		1826
		1827	progEnvParamNum: INTEGER
		1828	{
		1829	if ((unsigned) $1 >= state->limits->MaxEnvParams) {
		1830	yyerror(& @1, state, "invalid environment parameter reference");
		1831	YYERROR;
		1832	}
		1833	$$ = $1;
		1834	}
		1835	;
		1836
		1837	progLocalParamNum: INTEGER
		1838	{
		1839	if ((unsigned) $1 >= state->limits->MaxLocalParams) {
		1840	yyerror(& @1, state, "invalid local parameter reference");
		1841	YYERROR;
		1842	}
		1843	$$ = $1;
		1844	}
		1845	;
		1846
		1847
		1848
		1849	paramConstDecl: paramConstScalarDecl \| paramConstVector;
		1850	paramConstUse: paramConstScalarUse \| paramConstVector;
		1851
		1852	paramConstScalarDecl: signedFloatConstant
		1853	{
		1854	$$.count = 4;
		1855	$$.data[0].f = $1;
		1856	$$.data[1].f = $1;
		1857	$$.data[2].f = $1;
		1858	$$.data[3].f = $1;
		1859	}
		1860	;
		1861
		1862	paramConstScalarUse: REAL
		1863	{
		1864	$$.count = 1;
		1865	$$.data[0].f = $1;
		1866	$$.data[1].f = $1;
		1867	$$.data[2].f = $1;
		1868	$$.data[3].f = $1;
		1869	}
		1870	\| INTEGER
		1871	{
		1872	$$.count = 1;
		1873	$$.data[0].f = (float) $1;
		1874	$$.data[1].f = (float) $1;
		1875	$$.data[2].f = (float) $1;
		1876	$$.data[3].f = (float) $1;
		1877	}
		1878	;
		1879
		1880	paramConstVector: '{' signedFloatConstant '}'
		1881	{
		1882	$$.count = 4;
		1883	$$.data[0].f = $2;
		1884	$$.data[1].f = 0.0f;
		1885	$$.data[2].f = 0.0f;
		1886	$$.data[3].f = 1.0f;
		1887	}
		1888	\| '{' signedFloatConstant ',' signedFloatConstant '}'
		1889	{
		1890	$$.count = 4;
		1891	$$.data[0].f = $2;
		1892	$$.data[1].f = $4;
		1893	$$.data[2].f = 0.0f;
		1894	$$.data[3].f = 1.0f;
		1895	}
		1896	\| '{' signedFloatConstant ',' signedFloatConstant ','
		1897	signedFloatConstant '}'
		1898	{
		1899	$$.count = 4;
		1900	$$.data[0].f = $2;
		1901	$$.data[1].f = $4;
		1902	$$.data[2].f = $6;
		1903	$$.data[3].f = 1.0f;
		1904	}
		1905	\| '{' signedFloatConstant ',' signedFloatConstant ','
		1906	signedFloatConstant ',' signedFloatConstant '}'
		1907	{
		1908	$$.count = 4;
		1909	$$.data[0].f = $2;
		1910	$$.data[1].f = $4;
		1911	$$.data[2].f = $6;
		1912	$$.data[3].f = $8;
		1913	}
		1914	;
		1915
		1916	signedFloatConstant: optionalSign REAL
		1917	{
		1918	$$ = ($1) ? -$2 : $2;
		1919	}
		1920	\| optionalSign INTEGER
		1921	{
		1922	$$ = (float)(($1) ? -$2 : $2);
		1923	}
		1924	;
		1925
		1926	optionalSign: '+' { $$ = FALSE; }
		1927	\| '-' { $$ = TRUE; }
		1928	\| { $$ = FALSE; }
		1929	;
		1930
		1931	TEMP_statement: optVarSize TEMP { $$ = $2; } varNameList
		1932	;
		1933
		1934	optVarSize: string
		1935	{
		1936	/* NV_fragment_program_option defines the size qualifiers in a
		1937	* fairly broken way. "SHORT" or "LONG" can optionally be used
		1938	* before TEMP or OUTPUT. However, neither is a reserved word!
		1939	* This means that we have to parse it as an identifier, then check
		1940	* to make sure it's one of the valid values. sigh
		1941	*
		1942	* In addition, the grammar in the extension spec does not allow
		1943	* the size specifier to be optional, but all known implementations
		1944	* do.
		1945	*/
		1946	if (!state->option.NV_fragment) {
		1947	yyerror(& @1, state, "unexpected IDENTIFIER");
		1948	YYERROR;
		1949	}
		1950
		1951	if (strcmp("SHORT", $1) == 0) {
		1952	} else if (strcmp("LONG", $1) == 0) {
		1953	} else {
		1954	char *const err_str =
		1955	make_error_string("invalid storage size specifier \"%s\"",
		1956	$1);
		1957
		1958	yyerror(& @1, state, (err_str != NULL)
		1959	? err_str : "invalid storage size specifier");
		1960
		1961	if (err_str != NULL) {
		1962	free(err_str);
		1963	}
		1964
		1965	YYERROR;
		1966	}
		1967	}
		1968	\|
		1969	{
		1970	}
		1971	;
		1972
		1973	ADDRESS_statement: ADDRESS { $$ = $1; } varNameList
		1974	;
		1975
		1976	varNameList: varNameList ',' IDENTIFIER
		1977	{
		1978	if (!declare_variable(state, $3, $0, & @3)) {
		1979	free($3);
		1980	YYERROR;
		1981	}
		1982	}
		1983	\| IDENTIFIER
		1984	{
		1985	if (!declare_variable(state, $1, $0, & @1)) {
		1986	free($1);
		1987	YYERROR;
		1988	}
		1989	}
		1990	;
		1991
		1992	OUTPUT_statement: optVarSize OUTPUT IDENTIFIER '=' resultBinding
		1993	{
		1994	struct asm_symbol *const s =
		1995	declare_variable(state, $3, at_output, & @3);
		1996
		1997	if (s == NULL) {
		1998	free($3);
		1999	YYERROR;
		2000	} else {
		2001	s->output_binding = $5;
		2002	}
		2003	}
		2004	;
		2005
		2006	resultBinding: RESULT POSITION
		2007	{
		2008	if (state->mode == ARB_vertex) {
		2009	$$ = VARYING_SLOT_POS;
		2010	} else {
		2011	yyerror(& @2, state, "invalid program result name");
		2012	YYERROR;
		2013	}
		2014	}
		2015	\| RESULT FOGCOORD
		2016	{
		2017	if (state->mode == ARB_vertex) {
		2018	$$ = VARYING_SLOT_FOGC;
		2019	} else {
		2020	yyerror(& @2, state, "invalid program result name");
		2021	YYERROR;
		2022	}
		2023	}
		2024	\| RESULT resultColBinding
		2025	{
		2026	$$ = $2;
		2027	}
		2028	\| RESULT POINTSIZE
		2029	{
		2030	if (state->mode == ARB_vertex) {
		2031	$$ = VARYING_SLOT_PSIZ;
		2032	} else {
		2033	yyerror(& @2, state, "invalid program result name");
		2034	YYERROR;
		2035	}
		2036	}
		2037	\| RESULT TEXCOORD optTexCoordUnitNum
		2038	{
		2039	if (state->mode == ARB_vertex) {
		2040	$$ = VARYING_SLOT_TEX0 + $3;
		2041	} else {
		2042	yyerror(& @2, state, "invalid program result name");
		2043	YYERROR;
		2044	}
		2045	}
		2046	\| RESULT DEPTH
		2047	{
		2048	if (state->mode == ARB_fragment) {
		2049	$$ = FRAG_RESULT_DEPTH;
		2050	} else {
		2051	yyerror(& @2, state, "invalid program result name");
		2052	YYERROR;
		2053	}
		2054	}
		2055	;
		2056
		2057	resultColBinding: COLOR optResultFaceType optResultColorType
		2058	{
		2059	$$ = $2 + $3;
		2060	}
		2061	;
		2062
		2063	optResultFaceType:
		2064	{
		2065	if (state->mode == ARB_vertex) {
		2066	$$ = VARYING_SLOT_COL0;
		2067	} else {
		2068	if (state->option.DrawBuffers)
		2069	$$ = FRAG_RESULT_DATA0;
		2070	else
		2071	$$ = FRAG_RESULT_COLOR;
		2072	}
		2073	}
		2074	\| '[' INTEGER ']'
		2075	{
		2076	if (state->mode == ARB_vertex) {
		2077	yyerror(& @1, state, "invalid program result name");
		2078	YYERROR;
		2079	} else {
		2080	if (!state->option.DrawBuffers) {
		2081	/* From the ARB_draw_buffers spec (same text exists
		2082	* for ATI_draw_buffers):
		2083	*
		2084	* If this option is not specified, a fragment
		2085	* program that attempts to bind
		2086	* "result.color[n]" will fail to load, and only
		2087	* "result.color" will be allowed.
		2088	*/
		2089	yyerror(& @1, state,
		2090	"result.color[] used without "
		2091	"`OPTION ARB_draw_buffers' or "
		2092	"`OPTION ATI_draw_buffers'");
		2093	YYERROR;
		2094	} else if ($2 >= state->MaxDrawBuffers) {
		2095	yyerror(& @1, state,
		2096	"result.color[] exceeds MAX_DRAW_BUFFERS_ARB");
		2097	YYERROR;
		2098	}
		2099	$$ = FRAG_RESULT_DATA0 + $2;
		2100	}
		2101	}
		2102	\| FRONT
		2103	{
		2104	if (state->mode == ARB_vertex) {
		2105	$$ = VARYING_SLOT_COL0;
		2106	} else {
		2107	yyerror(& @1, state, "invalid program result name");
		2108	YYERROR;
		2109	}
		2110	}
		2111	\| BACK
		2112	{
		2113	if (state->mode == ARB_vertex) {
		2114	$$ = VARYING_SLOT_BFC0;
		2115	} else {
		2116	yyerror(& @1, state, "invalid program result name");
		2117	YYERROR;
		2118	}
		2119	}
		2120	;
		2121
		2122	optResultColorType:
		2123	{
		2124	$$ = 0;
		2125	}
		2126	\| PRIMARY
		2127	{
		2128	if (state->mode == ARB_vertex) {
		2129	$$ = 0;
		2130	} else {
		2131	yyerror(& @1, state, "invalid program result name");
		2132	YYERROR;
		2133	}
		2134	}
		2135	\| SECONDARY
		2136	{
		2137	if (state->mode == ARB_vertex) {
		2138	$$ = 1;
		2139	} else {
		2140	yyerror(& @1, state, "invalid program result name");
		2141	YYERROR;
		2142	}
		2143	}
		2144	;
		2145
		2146	optFaceType: { $$ = 0; }
		2147	\| FRONT { $$ = 0; }
		2148	\| BACK { $$ = 1; }
		2149	;
		2150
		2151	optColorType: { $$ = 0; }
		2152	\| PRIMARY { $$ = 0; }
		2153	\| SECONDARY { $$ = 1; }
		2154	;
		2155
		2156	optTexCoordUnitNum: { $$ = 0; }
		2157	\| '[' texCoordUnitNum ']' { $$ = $2; }
		2158	;
		2159
		2160	optTexImageUnitNum: { $$ = 0; }
		2161	\| '[' texImageUnitNum ']' { $$ = $2; }
		2162	;
		2163
		2164	optLegacyTexUnitNum: { $$ = 0; }
		2165	\| '[' legacyTexUnitNum ']' { $$ = $2; }
		2166	;
		2167
		2168	texCoordUnitNum: INTEGER
		2169	{
		2170	if ((unsigned) $1 >= state->MaxTextureCoordUnits) {
		2171	yyerror(& @1, state, "invalid texture coordinate unit selector");
		2172	YYERROR;
		2173	}
		2174
		2175	$$ = $1;
		2176	}
		2177	;
		2178
		2179	texImageUnitNum: INTEGER
		2180	{
		2181	if ((unsigned) $1 >= state->MaxTextureImageUnits) {
		2182	yyerror(& @1, state, "invalid texture image unit selector");
		2183	YYERROR;
		2184	}
		2185
		2186	$$ = $1;
		2187	}
		2188	;
		2189
		2190	legacyTexUnitNum: INTEGER
		2191	{
		2192	if ((unsigned) $1 >= state->MaxTextureUnits) {
		2193	yyerror(& @1, state, "invalid texture unit selector");
		2194	YYERROR;
		2195	}
		2196
		2197	$$ = $1;
		2198	}
		2199	;
		2200
		2201	ALIAS_statement: ALIAS IDENTIFIER '=' USED_IDENTIFIER
		2202	{
		2203	struct asm_symbol exist = (struct asm_symbol )
		2204	_mesa_symbol_table_find_symbol(state->st, 0, $2);
		2205	struct asm_symbol target = (struct asm_symbol )
		2206	_mesa_symbol_table_find_symbol(state->st, 0, $4);
		2207
		2208	free($4);
		2209
		2210	if (exist != NULL) {
		2211	char m[1000];
		2212	_mesa_snprintf(m, sizeof(m), "redeclared identifier: %s", $2);
		2213	free($2);
		2214	yyerror(& @2, state, m);
		2215	YYERROR;
		2216	} else if (target == NULL) {
		2217	free($2);
		2218	yyerror(& @4, state,
		2219	"undefined variable binding in ALIAS statement");
		2220	YYERROR;
		2221	} else {
		2222	_mesa_symbol_table_add_symbol(state->st, 0, $2, target);
		2223	}
		2224	}
		2225	;
		2226
		2227	string: IDENTIFIER
		2228	\| USED_IDENTIFIER
		2229	;
		2230
		2231	%%
		2232
		2233	void
		2234	asm_instruction_set_operands(struct asm_instruction *inst,
		2235	const struct prog_dst_register *dst,
		2236	const struct asm_src_register *src0,
		2237	const struct asm_src_register *src1,
		2238	const struct asm_src_register *src2)
		2239	{
		2240	/* In the core ARB extensions only the KIL instruction doesn't have a
		2241	* destination register.
		2242	*/
		2243	if (dst == NULL) {
		2244	init_dst_reg(& inst->Base.DstReg);
		2245	} else {
		2246	inst->Base.DstReg = *dst;
		2247	}
		2248
		2249	/* The only instruction that doesn't have any source registers is the
		2250	* condition-code based KIL instruction added by NV_fragment_program_option.
		2251	*/
		2252	if (src0 != NULL) {
		2253	inst->Base.SrcReg[0] = src0->Base;
		2254	inst->SrcReg[0] = *src0;
		2255	} else {
		2256	init_src_reg(& inst->SrcReg[0]);
		2257	}
		2258
		2259	if (src1 != NULL) {
		2260	inst->Base.SrcReg[1] = src1->Base;
		2261	inst->SrcReg[1] = *src1;
		2262	} else {
		2263	init_src_reg(& inst->SrcReg[1]);
		2264	}
		2265
		2266	if (src2 != NULL) {
		2267	inst->Base.SrcReg[2] = src2->Base;
		2268	inst->SrcReg[2] = *src2;
		2269	} else {
		2270	init_src_reg(& inst->SrcReg[2]);
		2271	}
		2272	}
		2273
		2274
		2275	struct asm_instruction *
		2276	asm_instruction_ctor(gl_inst_opcode op,
		2277	const struct prog_dst_register *dst,
		2278	const struct asm_src_register *src0,
		2279	const struct asm_src_register *src1,
		2280	const struct asm_src_register *src2)
		2281	{
		2282	struct asm_instruction *inst = CALLOC_STRUCT(asm_instruction);
		2283
		2284	if (inst) {
		2285	_mesa_init_instructions(& inst->Base, 1);
		2286	inst->Base.Opcode = op;
		2287
		2288	asm_instruction_set_operands(inst, dst, src0, src1, src2);
		2289	}
		2290
		2291	return inst;
		2292	}
		2293
		2294
		2295	struct asm_instruction *
		2296	asm_instruction_copy_ctor(const struct prog_instruction *base,
		2297	const struct prog_dst_register *dst,
		2298	const struct asm_src_register *src0,
		2299	const struct asm_src_register *src1,
		2300	const struct asm_src_register *src2)
		2301	{
		2302	struct asm_instruction *inst = CALLOC_STRUCT(asm_instruction);
		2303
		2304	if (inst) {
		2305	_mesa_init_instructions(& inst->Base, 1);
		2306	inst->Base.Opcode = base->Opcode;
		2307	inst->Base.CondUpdate = base->CondUpdate;
		2308	inst->Base.CondDst = base->CondDst;
		2309	inst->Base.SaturateMode = base->SaturateMode;
		2310	inst->Base.Precision = base->Precision;
		2311
		2312	asm_instruction_set_operands(inst, dst, src0, src1, src2);
		2313	}
		2314
		2315	return inst;
		2316	}
		2317
		2318
		2319	void
		2320	init_dst_reg(struct prog_dst_register *r)
		2321	{
		2322	memset(r, 0, sizeof(*r));
		2323	r->File = PROGRAM_UNDEFINED;
		2324	r->WriteMask = WRITEMASK_XYZW;
		2325	r->CondMask = COND_TR;
		2326	r->CondSwizzle = SWIZZLE_NOOP;
		2327	}
		2328
		2329
		2330	/** Like init_dst_reg() but set the File and Index fields. */
		2331	void
		2332	set_dst_reg(struct prog_dst_register *r, gl_register_file file, GLint index)
		2333	{
		2334	const GLint maxIndex = 1 << INST_INDEX_BITS;
		2335	const GLint minIndex = 0;
		2336	ASSERT(index >= minIndex);
		2337	(void) minIndex;
		2338	ASSERT(index <= maxIndex);
		2339	(void) maxIndex;
		2340	ASSERT(file == PROGRAM_TEMPORARY \|\|
		2341	file == PROGRAM_ADDRESS \|\|
		2342	file == PROGRAM_OUTPUT);
		2343	memset(r, 0, sizeof(*r));
		2344	r->File = file;
		2345	r->Index = index;
		2346	r->WriteMask = WRITEMASK_XYZW;
		2347	r->CondMask = COND_TR;
		2348	r->CondSwizzle = SWIZZLE_NOOP;
		2349	}
		2350
		2351
		2352	void
		2353	init_src_reg(struct asm_src_register *r)
		2354	{
		2355	memset(r, 0, sizeof(*r));
		2356	r->Base.File = PROGRAM_UNDEFINED;
		2357	r->Base.Swizzle = SWIZZLE_NOOP;
		2358	r->Symbol = NULL;
		2359	}
		2360
		2361
		2362	/** Like init_src_reg() but set the File and Index fields.
		2363	* \return GL_TRUE if a valid src register, GL_FALSE otherwise
		2364	*/
		2365	void
		2366	set_src_reg(struct asm_src_register *r, gl_register_file file, GLint index)
		2367	{
		2368	set_src_reg_swz(r, file, index, SWIZZLE_XYZW);
		2369	}
		2370
		2371
		2372	void
		2373	set_src_reg_swz(struct asm_src_register *r, gl_register_file file, GLint index,
		2374	GLuint swizzle)
		2375	{
		2376	const GLint maxIndex = (1 << INST_INDEX_BITS) - 1;
		2377	const GLint minIndex = -(1 << INST_INDEX_BITS);
		2378	ASSERT(file < PROGRAM_FILE_MAX);
		2379	ASSERT(index >= minIndex);
		2380	(void) minIndex;
		2381	ASSERT(index <= maxIndex);
		2382	(void) maxIndex;
		2383	memset(r, 0, sizeof(*r));
		2384	r->Base.File = file;
		2385	r->Base.Index = index;
		2386	r->Base.Swizzle = swizzle;
		2387	r->Symbol = NULL;
		2388	}
		2389
		2390
		2391	/**
		2392	* Validate the set of inputs used by a program
		2393	*
		2394	* Validates that legal sets of inputs are used by the program. In this case
		2395	* "used" included both reading the input or binding the input to a name using
		2396	* the \c ATTRIB command.
		2397	*
		2398	* \return
		2399	* \c TRUE if the combination of inputs used is valid, \c FALSE otherwise.
		2400	*/
		2401	int
		2402	validate_inputs(struct YYLTYPE locp, struct asm_parser_state state)
		2403	{
		2404	const GLbitfield64 inputs = state->prog->InputsRead \| state->InputsBound;
		2405
		2406	if (((inputs & VERT_BIT_FF_ALL) & (inputs >> VERT_ATTRIB_GENERIC0)) != 0) {
		2407	yyerror(locp, state, "illegal use of generic attribute and name attribute");
		2408	return 0;
		2409	}
		2410
		2411	return 1;
		2412	}
		2413
		2414
		2415	struct asm_symbol *
		2416	declare_variable(struct asm_parser_state state, char name, enum asm_type t,
		2417	struct YYLTYPE *locp)
		2418	{
		2419	struct asm_symbol *s = NULL;
		2420	struct asm_symbol exist = (struct asm_symbol )
		2421	_mesa_symbol_table_find_symbol(state->st, 0, name);
		2422
		2423
		2424	if (exist != NULL) {
		2425	yyerror(locp, state, "redeclared identifier");
		2426	} else {
		2427	s = calloc(1, sizeof(struct asm_symbol));
		2428	s->name = name;
		2429	s->type = t;
		2430
		2431	switch (t) {
		2432	case at_temp:
		2433	if (state->prog->NumTemporaries >= state->limits->MaxTemps) {
		2434	yyerror(locp, state, "too many temporaries declared");
		2435	free(s);
		2436	return NULL;
		2437	}
		2438
		2439	s->temp_binding = state->prog->NumTemporaries;
		2440	state->prog->NumTemporaries++;
		2441	break;
		2442
		2443	case at_address:
		2444	if (state->prog->NumAddressRegs >= state->limits->MaxAddressRegs) {
		2445	yyerror(locp, state, "too many address registers declared");
		2446	free(s);
		2447	return NULL;
		2448	}
		2449
		2450	/* FINISHME: Add support for multiple address registers.
		2451	*/
		2452	state->prog->NumAddressRegs++;
		2453	break;
		2454
		2455	default:
		2456	break;
		2457	}
		2458
		2459	_mesa_symbol_table_add_symbol(state->st, 0, s->name, s);
		2460	s->next = state->sym;
		2461	state->sym = s;
		2462	}
		2463
		2464	return s;
		2465	}
		2466
		2467
		2468	int add_state_reference(struct gl_program_parameter_list *param_list,
		2469	const gl_state_index tokens[STATE_LENGTH])
		2470	{
		2471	const GLuint size = 4; /* XXX fix */
		2472	char *name;
		2473	GLint index;
		2474
		2475	name = _mesa_program_state_string(tokens);
		2476	index = _mesa_add_parameter(param_list, PROGRAM_STATE_VAR, name,
		2477	size, GL_NONE, NULL, tokens);
		2478	param_list->StateFlags \|= _mesa_program_state_flags(tokens);
		2479
		2480	/* free name string here since we duplicated it in add_parameter() */
		2481	free(name);
		2482
		2483	return index;
		2484	}
		2485
		2486
		2487	int
		2488	initialize_symbol_from_state(struct gl_program *prog,
		2489	struct asm_symbol *param_var,
		2490	const gl_state_index tokens[STATE_LENGTH])
		2491	{
		2492	int idx = -1;
		2493	gl_state_index state_tokens[STATE_LENGTH];
		2494
		2495
		2496	memcpy(state_tokens, tokens, sizeof(state_tokens));
		2497
		2498	param_var->type = at_param;
		2499	param_var->param_binding_type = PROGRAM_STATE_VAR;
		2500
		2501	/* If we are adding a STATE_MATRIX that has multiple rows, we need to
		2502	* unroll it and call add_state_reference() for each row
		2503	*/
		2504	if ((state_tokens[0] == STATE_MODELVIEW_MATRIX \|\|
		2505	state_tokens[0] == STATE_PROJECTION_MATRIX \|\|
		2506	state_tokens[0] == STATE_MVP_MATRIX \|\|
		2507	state_tokens[0] == STATE_TEXTURE_MATRIX \|\|
		2508	state_tokens[0] == STATE_PROGRAM_MATRIX)
		2509	&& (state_tokens[2] != state_tokens[3])) {
		2510	int row;
		2511	const int first_row = state_tokens[2];
		2512	const int last_row = state_tokens[3];
		2513
		2514	for (row = first_row; row <= last_row; row++) {
		2515	state_tokens[2] = state_tokens[3] = row;
		2516
		2517	idx = add_state_reference(prog->Parameters, state_tokens);
		2518	if (param_var->param_binding_begin == ~0U) {
		2519	param_var->param_binding_begin = idx;
		2520	param_var->param_binding_swizzle = SWIZZLE_XYZW;
		2521	}
		2522
		2523	param_var->param_binding_length++;
		2524	}
		2525	}
		2526	else {
		2527	idx = add_state_reference(prog->Parameters, state_tokens);
		2528	if (param_var->param_binding_begin == ~0U) {
		2529	param_var->param_binding_begin = idx;
		2530	param_var->param_binding_swizzle = SWIZZLE_XYZW;
		2531	}
		2532	param_var->param_binding_length++;
		2533	}
		2534
		2535	return idx;
		2536	}
		2537
		2538
		2539	int
		2540	initialize_symbol_from_param(struct gl_program *prog,
		2541	struct asm_symbol *param_var,
		2542	const gl_state_index tokens[STATE_LENGTH])
		2543	{
		2544	int idx = -1;
		2545	gl_state_index state_tokens[STATE_LENGTH];
		2546
		2547
		2548	memcpy(state_tokens, tokens, sizeof(state_tokens));
		2549
		2550	assert((state_tokens[0] == STATE_VERTEX_PROGRAM)
		2551	\|\| (state_tokens[0] == STATE_FRAGMENT_PROGRAM));
		2552	assert((state_tokens[1] == STATE_ENV)
		2553	\|\| (state_tokens[1] == STATE_LOCAL));
		2554
		2555	/*
		2556	* The param type is STATE_VAR. The program parameter entry will
		2557	* effectively be a pointer into the LOCAL or ENV parameter array.
		2558	*/
		2559	param_var->type = at_param;
		2560	param_var->param_binding_type = PROGRAM_STATE_VAR;
		2561
		2562	/* If we are adding a STATE_ENV or STATE_LOCAL that has multiple elements,
		2563	* we need to unroll it and call add_state_reference() for each row
		2564	*/
		2565	if (state_tokens[2] != state_tokens[3]) {
		2566	int row;
		2567	const int first_row = state_tokens[2];
		2568	const int last_row = state_tokens[3];
		2569
		2570	for (row = first_row; row <= last_row; row++) {
		2571	state_tokens[2] = state_tokens[3] = row;
		2572
		2573	idx = add_state_reference(prog->Parameters, state_tokens);
		2574	if (param_var->param_binding_begin == ~0U) {
		2575	param_var->param_binding_begin = idx;
		2576	param_var->param_binding_swizzle = SWIZZLE_XYZW;
		2577	}
		2578	param_var->param_binding_length++;
		2579	}
		2580	}
		2581	else {
		2582	idx = add_state_reference(prog->Parameters, state_tokens);
		2583	if (param_var->param_binding_begin == ~0U) {
		2584	param_var->param_binding_begin = idx;
		2585	param_var->param_binding_swizzle = SWIZZLE_XYZW;
		2586	}
		2587	param_var->param_binding_length++;
		2588	}
		2589
		2590	return idx;
		2591	}
		2592
		2593
		2594	/**
		2595	* Put a float/vector constant/literal into the parameter list.
		2596	* \param param_var returns info about the parameter/constant's location,
		2597	* binding, type, etc.
		2598	* \param vec the vector/constant to add
		2599	* \param allowSwizzle if true, try to consolidate constants which only differ
		2600	* by a swizzle. We don't want to do this when building
		2601	* arrays of constants that may be indexed indirectly.
		2602	* \return index of the constant in the parameter list.
		2603	*/
		2604	int
		2605	initialize_symbol_from_const(struct gl_program *prog,
		2606	struct asm_symbol *param_var,
		2607	const struct asm_vector *vec,
		2608	GLboolean allowSwizzle)
		2609	{
		2610	unsigned swizzle;
		2611	const int idx = _mesa_add_unnamed_constant(prog->Parameters,
		2612	vec->data, vec->count,
		2613	allowSwizzle ? &swizzle : NULL);
		2614
		2615	param_var->type = at_param;
		2616	param_var->param_binding_type = PROGRAM_CONSTANT;
		2617
		2618	if (param_var->param_binding_begin == ~0U) {
		2619	param_var->param_binding_begin = idx;
		2620	param_var->param_binding_swizzle = allowSwizzle ? swizzle : SWIZZLE_XYZW;
		2621	}
		2622	param_var->param_binding_length++;
		2623
		2624	return idx;
		2625	}
		2626
		2627
		2628	char *
		2629	make_error_string(const char *fmt, ...)
		2630	{
		2631	int length;
		2632	char *str;
		2633	va_list args;
		2634
		2635
		2636	/* Call vsnprintf once to determine how large the final string is. Call it
		2637	* again to do the actual formatting. from the vsnprintf manual page:
		2638	*
		2639	* Upon successful return, these functions return the number of
		2640	* characters printed (not including the trailing '\0' used to end
		2641	* output to strings).
		2642	*/
		2643	va_start(args, fmt);
		2644	length = 1 + vsnprintf(NULL, 0, fmt, args);
		2645	va_end(args);
		2646
		2647	str = malloc(length);
		2648	if (str) {
		2649	va_start(args, fmt);
		2650	vsnprintf(str, length, fmt, args);
		2651	va_end(args);
		2652	}
		2653
		2654	return str;
		2655	}
		2656
		2657
		2658	void
		2659	yyerror(YYLTYPE locp, struct asm_parser_state state, const char *s)
		2660	{
		2661	char *err_str;
		2662
		2663
		2664	err_str = make_error_string("glProgramStringARB(%s)\n", s);
		2665	if (err_str) {
		2666	_mesa_error(state->ctx, GL_INVALID_OPERATION, "%s", err_str);
		2667	free(err_str);
		2668	}
		2669
		2670	err_str = make_error_string("line %u, char %u: error: %s\n",
		2671	locp->first_line, locp->first_column, s);
		2672	_mesa_set_program_error(state->ctx, locp->position, err_str);
		2673
		2674	if (err_str) {
		2675	free(err_str);
		2676	}
		2677	}
		2678
		2679
		2680	GLboolean
		2681	_mesa_parse_arb_program(struct gl_context ctx, GLenum target, const GLubyte str,
		2682	GLsizei len, struct asm_parser_state *state)
		2683	{
		2684	struct asm_instruction *inst;
		2685	unsigned i;
		2686	GLubyte *strz;
		2687	GLboolean result = GL_FALSE;
		2688	void *temp;
		2689	struct asm_symbol *sym;
		2690
		2691	state->ctx = ctx;
		2692	state->prog->Target = target;
		2693	state->prog->Parameters = _mesa_new_parameter_list();
		2694
		2695	/* Make a copy of the program string and force it to be NUL-terminated.
		2696	*/
		2697	strz = (GLubyte *) malloc(len + 1);
		2698	if (strz == NULL) {
		2699	_mesa_error(ctx, GL_OUT_OF_MEMORY, "glProgramStringARB");
		2700	return GL_FALSE;
		2701	}
		2702	memcpy (strz, str, len);
		2703	strz[len] = '\0';
		2704
		2705	state->prog->String = strz;
		2706
		2707	state->st = _mesa_symbol_table_ctor();
		2708
		2709	state->limits = (target == GL_VERTEX_PROGRAM_ARB)
		2710	? & ctx->Const.VertexProgram
		2711	: & ctx->Const.FragmentProgram;
		2712
		2713	state->MaxTextureImageUnits = ctx->Const.FragmentProgram.MaxTextureImageUnits;
		2714	state->MaxTextureCoordUnits = ctx->Const.MaxTextureCoordUnits;
		2715	state->MaxTextureUnits = ctx->Const.MaxTextureUnits;
		2716	state->MaxClipPlanes = ctx->Const.MaxClipPlanes;
		2717	state->MaxLights = ctx->Const.MaxLights;
		2718	state->MaxProgramMatrices = ctx->Const.MaxProgramMatrices;
		2719	state->MaxDrawBuffers = ctx->Const.MaxDrawBuffers;
		2720
		2721	state->state_param_enum = (target == GL_VERTEX_PROGRAM_ARB)
		2722	? STATE_VERTEX_PROGRAM : STATE_FRAGMENT_PROGRAM;
		2723
		2724	_mesa_set_program_error(ctx, -1, NULL);
		2725
		2726	_mesa_program_lexer_ctor(& state->scanner, state, (const char *) str, len);
		2727	yyparse(state);
		2728	_mesa_program_lexer_dtor(state->scanner);
		2729
		2730
		2731	if (ctx->Program.ErrorPos != -1) {
		2732	goto error;
		2733	}
		2734
		2735	if (! _mesa_layout_parameters(state)) {
		2736	struct YYLTYPE loc;
		2737
		2738	loc.first_line = 0;
		2739	loc.first_column = 0;
		2740	loc.position = len;
		2741
		2742	yyerror(& loc, state, "invalid PARAM usage");
		2743	goto error;
		2744	}
		2745
		2746
		2747
		2748	/* Add one instruction to store the "END" instruction.
		2749	*/
		2750	state->prog->Instructions =
		2751	_mesa_alloc_instructions(state->prog->NumInstructions + 1);
		2752	inst = state->inst_head;
		2753	for (i = 0; i < state->prog->NumInstructions; i++) {
		2754	struct asm_instruction *const temp = inst->next;
		2755
		2756	state->prog->Instructions[i] = inst->Base;
		2757	inst = temp;
		2758	}
		2759
		2760	/* Finally, tag on an OPCODE_END instruction */
		2761	{
		2762	const GLuint numInst = state->prog->NumInstructions;
		2763	_mesa_init_instructions(state->prog->Instructions + numInst, 1);
		2764	state->prog->Instructions[numInst].Opcode = OPCODE_END;
		2765	}
		2766	state->prog->NumInstructions++;
		2767
		2768	state->prog->NumParameters = state->prog->Parameters->NumParameters;
		2769	state->prog->NumAttributes = _mesa_bitcount_64(state->prog->InputsRead);
		2770
		2771	/*
		2772	* Initialize native counts to logical counts. The device driver may
		2773	* change them if program is translated into a hardware program.
		2774	*/
		2775	state->prog->NumNativeInstructions = state->prog->NumInstructions;
		2776	state->prog->NumNativeTemporaries = state->prog->NumTemporaries;
		2777	state->prog->NumNativeParameters = state->prog->NumParameters;
		2778	state->prog->NumNativeAttributes = state->prog->NumAttributes;
		2779	state->prog->NumNativeAddressRegs = state->prog->NumAddressRegs;
		2780
		2781	result = GL_TRUE;
		2782
		2783	error:
		2784	for (inst = state->inst_head; inst != NULL; inst = temp) {
		2785	temp = inst->next;
		2786	free(inst);
		2787	}
		2788
		2789	state->inst_head = NULL;
		2790	state->inst_tail = NULL;
		2791
		2792	for (sym = state->sym; sym != NULL; sym = temp) {
		2793	temp = sym->next;
		2794
		2795	free((void *) sym->name);
		2796	free(sym);
		2797	}
		2798	state->sym = NULL;
		2799
		2800	_mesa_symbol_table_dtor(state->st);
		2801	state->st = NULL;
		2802
		2803	return result;
		2804	}

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(root)/contrib/sdk/sources/Mesa/src/mesa/program/program_parse.y – Rev 4826