2679 lines
62 KiB
Plaintext
2679 lines
62 KiB
Plaintext
%{
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/*
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* Copyright © 2009 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "main/errors.h"
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#include "main/mtypes.h"
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#include "program/program.h"
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#include "program/prog_parameter.h"
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#include "program/prog_parameter_layout.h"
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#include "program/prog_statevars.h"
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#include "program/prog_instruction.h"
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#include "program/symbol_table.h"
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#include "program/program_parser.h"
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#include "util/u_math.h"
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#include "util/u_memory.h"
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enum {
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STATE_MATRIX_NO_MODIFIER,
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STATE_MATRIX_INVERSE,
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STATE_MATRIX_TRANSPOSE,
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STATE_MATRIX_INVTRANS,
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};
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extern void *yy_scan_string(char *);
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extern void yy_delete_buffer(void *);
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static struct asm_symbol *declare_variable(struct asm_parser_state *state,
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char *name, enum asm_type t, struct YYLTYPE *locp);
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static int add_state_reference(struct gl_program_parameter_list *param_list,
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const gl_state_index16 tokens[STATE_LENGTH]);
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static int initialize_symbol_from_state(struct gl_program *prog,
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struct asm_symbol *param_var, const gl_state_index16 tokens[STATE_LENGTH]);
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static int initialize_symbol_from_param(struct gl_program *prog,
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struct asm_symbol *param_var, const gl_state_index16 tokens[STATE_LENGTH]);
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static int initialize_symbol_from_const(struct gl_program *prog,
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struct asm_symbol *param_var, const struct asm_vector *vec,
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GLboolean allowSwizzle);
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static int yyparse(struct asm_parser_state *state);
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static char *make_error_string(const char *fmt, ...);
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static void yyerror(struct YYLTYPE *locp, struct asm_parser_state *state,
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const char *s);
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static int validate_inputs(struct YYLTYPE *locp,
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struct asm_parser_state *state);
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static void init_dst_reg(struct prog_dst_register *r);
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static void set_dst_reg(struct prog_dst_register *r,
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gl_register_file file, GLint index);
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static void init_src_reg(struct asm_src_register *r);
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static void set_src_reg(struct asm_src_register *r,
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gl_register_file file, GLint index);
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static void set_src_reg_swz(struct asm_src_register *r,
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gl_register_file file, GLint index, GLuint swizzle);
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static void asm_instruction_set_operands(struct asm_instruction *inst,
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const struct prog_dst_register *dst, const struct asm_src_register *src0,
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const struct asm_src_register *src1, const struct asm_src_register *src2);
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static struct asm_instruction *asm_instruction_ctor(enum prog_opcode op,
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const struct prog_dst_register *dst, const struct asm_src_register *src0,
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const struct asm_src_register *src1, const struct asm_src_register *src2);
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static struct asm_instruction *asm_instruction_copy_ctor(
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const struct prog_instruction *base, const struct prog_dst_register *dst,
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const struct asm_src_register *src0, const struct asm_src_register *src1,
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const struct asm_src_register *src2);
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#ifndef FALSE
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#define FALSE 0
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#define TRUE (!FALSE)
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#endif
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#define YYLLOC_DEFAULT(Current, Rhs, N) \
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do { \
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if (N) { \
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(Current).first_line = YYRHSLOC(Rhs, 1).first_line; \
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(Current).first_column = YYRHSLOC(Rhs, 1).first_column; \
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(Current).position = YYRHSLOC(Rhs, 1).position; \
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(Current).last_line = YYRHSLOC(Rhs, N).last_line; \
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(Current).last_column = YYRHSLOC(Rhs, N).last_column; \
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} else { \
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(Current).first_line = YYRHSLOC(Rhs, 0).last_line; \
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(Current).last_line = (Current).first_line; \
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(Current).first_column = YYRHSLOC(Rhs, 0).last_column; \
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(Current).last_column = (Current).first_column; \
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(Current).position = YYRHSLOC(Rhs, 0).position \
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+ (Current).first_column; \
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} \
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} while(0)
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%}
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%pure-parser
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%locations
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%lex-param { struct asm_parser_state *state }
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%parse-param { struct asm_parser_state *state }
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%error-verbose
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%union {
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struct asm_instruction *inst;
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struct asm_symbol *sym;
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struct asm_symbol temp_sym;
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struct asm_swizzle_mask swiz_mask;
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struct asm_src_register src_reg;
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struct prog_dst_register dst_reg;
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struct prog_instruction temp_inst;
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char *string;
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unsigned result;
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unsigned attrib;
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int integer;
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float real;
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gl_state_index16 state[STATE_LENGTH];
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int negate;
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struct asm_vector vector;
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enum prog_opcode opcode;
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struct {
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unsigned swz;
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unsigned rgba_valid:1;
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unsigned xyzw_valid:1;
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unsigned negate:1;
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} ext_swizzle;
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}
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%token ARBvp_10 ARBfp_10
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/* Tokens for assembler pseudo-ops */
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%token <integer> ADDRESS
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%token ALIAS ATTRIB
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%token OPTION OUTPUT
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%token PARAM
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%token <integer> TEMP
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%token END
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/* Tokens for instructions */
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%token <temp_inst> BIN_OP BINSC_OP SAMPLE_OP SCALAR_OP TRI_OP VECTOR_OP
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%token <temp_inst> ARL KIL SWZ TXD_OP
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%token <integer> INTEGER
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%token <real> REAL
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%token AMBIENT ATTENUATION
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%token BACK
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%token CLIP COLOR
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%token DEPTH DIFFUSE DIRECTION
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%token EMISSION ENV EYE
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%token FOG FOGCOORD FRAGMENT FRONT
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%token HALF
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%token INVERSE INVTRANS
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%token LIGHT LIGHTMODEL LIGHTPROD LOCAL
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%token MATERIAL MAT_PROGRAM MATRIX MATRIXINDEX MODELVIEW MVP
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%token NORMAL
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%token OBJECT
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%token PALETTE PARAMS PLANE POINT_TOK POINTSIZE POSITION PRIMARY PROGRAM PROJECTION
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%token RANGE RESULT ROW
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%token SCENECOLOR SECONDARY SHININESS SIZE_TOK SPECULAR SPOT STATE
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%token TEXCOORD TEXENV TEXGEN TEXGEN_Q TEXGEN_R TEXGEN_S TEXGEN_T TEXTURE TRANSPOSE
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%token TEXTURE_UNIT TEX_1D TEX_2D TEX_3D TEX_CUBE TEX_RECT
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%token TEX_SHADOW1D TEX_SHADOW2D TEX_SHADOWRECT
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%token TEX_ARRAY1D TEX_ARRAY2D TEX_ARRAYSHADOW1D TEX_ARRAYSHADOW2D
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%token VERTEX VTXATTRIB
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%token <string> IDENTIFIER USED_IDENTIFIER
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%type <string> string
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%token <swiz_mask> MASK4 MASK3 MASK2 MASK1 SWIZZLE
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%token DOT_DOT
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%token DOT
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%type <inst> instruction ALU_instruction TexInstruction
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%type <inst> ARL_instruction VECTORop_instruction
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%type <inst> SCALARop_instruction BINSCop_instruction BINop_instruction
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%type <inst> TRIop_instruction TXD_instruction SWZ_instruction SAMPLE_instruction
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%type <inst> KIL_instruction
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%type <dst_reg> dstReg maskedDstReg maskedAddrReg
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%type <src_reg> srcReg scalarUse scalarSrcReg swizzleSrcReg
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%type <swiz_mask> scalarSuffix swizzleSuffix extendedSwizzle
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%type <ext_swizzle> extSwizComp extSwizSel
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%type <swiz_mask> optionalMask
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%type <sym> progParamArray
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%type <integer> addrRegRelOffset addrRegPosOffset addrRegNegOffset
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%type <src_reg> progParamArrayMem progParamArrayAbs progParamArrayRel
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%type <sym> addrReg
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%type <swiz_mask> addrComponent addrWriteMask
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%type <result> resultBinding resultColBinding
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%type <integer> optFaceType optColorType
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%type <integer> optResultFaceType optResultColorType
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%type <integer> optTexImageUnitNum texImageUnitNum
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%type <integer> optTexCoordUnitNum texCoordUnitNum
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%type <integer> optLegacyTexUnitNum legacyTexUnitNum
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%type <integer> texImageUnit texTarget
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%type <integer> vtxAttribNum
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%type <attrib> attribBinding vtxAttribItem fragAttribItem
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%type <temp_sym> paramSingleInit paramSingleItemDecl
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%type <integer> optArraySize
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%type <state> stateSingleItem stateMultipleItem
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%type <state> stateMaterialItem
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%type <state> stateLightItem stateLightModelItem stateLightProdItem
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%type <state> stateTexGenItem stateFogItem stateClipPlaneItem statePointItem
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%type <state> stateMatrixItem stateMatrixRow stateMatrixRows
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%type <state> stateTexEnvItem stateDepthItem
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%type <state> stateLModProperty
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%type <state> stateMatrixName optMatrixRows
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%type <integer> stateMatProperty
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%type <integer> stateLightProperty stateSpotProperty
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%type <integer> stateLightNumber stateLProdProperty
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%type <integer> stateTexGenType stateTexGenCoord
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%type <integer> stateTexEnvProperty
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%type <integer> stateFogProperty
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%type <integer> stateClipPlaneNum
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%type <integer> statePointProperty
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%type <integer> stateOptMatModifier stateMatModifier stateMatrixRowNum
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%type <integer> stateOptModMatNum stateModMatNum statePaletteMatNum
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%type <integer> stateProgramMatNum
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%type <integer> ambDiffSpecPropertyMaterial
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%type <integer> ambDiffSpecPropertyLight
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%type <state> programSingleItem progEnvParam progLocalParam
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%type <state> programMultipleItem progEnvParams progLocalParams
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%type <temp_sym> paramMultipleInit paramMultInitList paramMultipleItem
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%type <temp_sym> paramSingleItemUse
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%type <integer> progEnvParamNum progLocalParamNum
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%type <state> progEnvParamNums progLocalParamNums
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%type <vector> paramConstDecl paramConstUse
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%type <vector> paramConstScalarDecl paramConstScalarUse paramConstVector
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%type <real> signedFloatConstant
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%type <negate> optionalSign
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%{
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extern int
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_mesa_program_lexer_lex(YYSTYPE *yylval_param, YYLTYPE *yylloc_param,
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void *yyscanner);
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static int
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yylex(YYSTYPE *yylval_param, YYLTYPE *yylloc_param,
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struct asm_parser_state *state)
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{
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return _mesa_program_lexer_lex(yylval_param, yylloc_param, state->scanner);
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}
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%}
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%%
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program: language optionSequence statementSequence END
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;
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language: ARBvp_10
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{
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if (state->prog->Target != GL_VERTEX_PROGRAM_ARB) {
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yyerror(& @1, state, "invalid fragment program header");
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}
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state->mode = ARB_vertex;
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}
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| ARBfp_10
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{
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if (state->prog->Target != GL_FRAGMENT_PROGRAM_ARB) {
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yyerror(& @1, state, "invalid vertex program header");
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}
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state->mode = ARB_fragment;
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state->option.TexRect =
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(state->ctx->Extensions.NV_texture_rectangle != GL_FALSE);
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}
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;
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optionSequence: optionSequence option
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;
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option: OPTION string ';'
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{
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int valid = 0;
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if (state->mode == ARB_vertex) {
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valid = _mesa_ARBvp_parse_option(state, $2);
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} else if (state->mode == ARB_fragment) {
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valid = _mesa_ARBfp_parse_option(state, $2);
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}
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free($2);
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if (!valid) {
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const char *const err_str = (state->mode == ARB_vertex)
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? "invalid ARB vertex program option"
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: "invalid ARB fragment program option";
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yyerror(& @2, state, err_str);
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YYERROR;
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}
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}
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;
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statementSequence: statementSequence statement
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;
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statement: instruction ';'
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{
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if ($1 != NULL) {
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if (state->inst_tail == NULL) {
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state->inst_head = $1;
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} else {
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state->inst_tail->next = $1;
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}
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state->inst_tail = $1;
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$1->next = NULL;
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state->prog->arb.NumInstructions++;
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}
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}
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| namingStatement ';'
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;
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instruction: ALU_instruction
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{
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$$ = $1;
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state->prog->arb.NumAluInstructions++;
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}
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| TexInstruction
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{
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$$ = $1;
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state->prog->arb.NumTexInstructions++;
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}
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;
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ALU_instruction: ARL_instruction
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| VECTORop_instruction
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| SCALARop_instruction
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| BINSCop_instruction
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| BINop_instruction
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| TRIop_instruction
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| SWZ_instruction
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;
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TexInstruction: SAMPLE_instruction
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| KIL_instruction
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| TXD_instruction
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;
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ARL_instruction: ARL maskedAddrReg ',' scalarSrcReg
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{
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$$ = asm_instruction_ctor(OPCODE_ARL, & $2, & $4, NULL, NULL);
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}
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;
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VECTORop_instruction: VECTOR_OP maskedDstReg ',' swizzleSrcReg
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{
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$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
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}
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;
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SCALARop_instruction: SCALAR_OP maskedDstReg ',' scalarSrcReg
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{
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$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
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}
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;
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BINSCop_instruction: BINSC_OP maskedDstReg ',' scalarSrcReg ',' scalarSrcReg
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{
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$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, NULL);
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}
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;
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BINop_instruction: BIN_OP maskedDstReg ',' swizzleSrcReg ',' swizzleSrcReg
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{
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$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, NULL);
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}
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;
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TRIop_instruction: TRI_OP maskedDstReg ','
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swizzleSrcReg ',' swizzleSrcReg ',' swizzleSrcReg
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{
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$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, & $8);
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}
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;
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SAMPLE_instruction: SAMPLE_OP maskedDstReg ',' swizzleSrcReg ',' texImageUnit ',' texTarget
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{
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$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
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if ($$ != NULL) {
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const GLbitfield tex_mask = (1U << $6);
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GLbitfield shadow_tex = 0;
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GLbitfield target_mask = 0;
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$$->Base.TexSrcUnit = $6;
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if ($8 < 0) {
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shadow_tex = tex_mask;
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$$->Base.TexSrcTarget = -$8;
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$$->Base.TexShadow = 1;
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} else {
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$$->Base.TexSrcTarget = $8;
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}
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target_mask = (1U << $$->Base.TexSrcTarget);
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/* If this texture unit was previously accessed and that access
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* had a different texture target, generate an error.
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*
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* If this texture unit was previously accessed and that access
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* had a different shadow mode, generate an error.
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*/
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if ((state->prog->TexturesUsed[$6] != 0)
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&& ((state->prog->TexturesUsed[$6] != target_mask)
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|| ((state->prog->ShadowSamplers & tex_mask)
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!= shadow_tex))) {
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yyerror(& @8, state,
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"multiple targets used on one texture image unit");
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YYERROR;
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}
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state->prog->TexturesUsed[$6] |= target_mask;
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state->prog->ShadowSamplers |= shadow_tex;
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}
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}
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;
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KIL_instruction: KIL swizzleSrcReg
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{
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$$ = asm_instruction_ctor(OPCODE_KIL, NULL, & $2, NULL, NULL);
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state->fragment.UsesKill = 1;
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}
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;
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TXD_instruction: TXD_OP maskedDstReg ',' swizzleSrcReg ',' swizzleSrcReg ',' swizzleSrcReg ',' texImageUnit ',' texTarget
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{
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$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, & $8);
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if ($$ != NULL) {
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const GLbitfield tex_mask = (1U << $10);
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GLbitfield shadow_tex = 0;
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GLbitfield target_mask = 0;
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$$->Base.TexSrcUnit = $10;
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if ($12 < 0) {
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shadow_tex = tex_mask;
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$$->Base.TexSrcTarget = -$12;
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$$->Base.TexShadow = 1;
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} else {
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$$->Base.TexSrcTarget = $12;
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}
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target_mask = (1U << $$->Base.TexSrcTarget);
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/* If this texture unit was previously accessed and that access
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* had a different texture target, generate an error.
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*
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* If this texture unit was previously accessed and that access
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* had a different shadow mode, generate an error.
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*/
|
|
if ((state->prog->TexturesUsed[$10] != 0)
|
|
&& ((state->prog->TexturesUsed[$10] != target_mask)
|
|
|| ((state->prog->ShadowSamplers & tex_mask)
|
|
!= shadow_tex))) {
|
|
yyerror(& @12, state,
|
|
"multiple targets used on one texture image unit");
|
|
YYERROR;
|
|
}
|
|
|
|
|
|
state->prog->TexturesUsed[$10] |= target_mask;
|
|
state->prog->ShadowSamplers |= shadow_tex;
|
|
}
|
|
}
|
|
;
|
|
|
|
texImageUnit: TEXTURE_UNIT optTexImageUnitNum
|
|
{
|
|
$$ = $2;
|
|
}
|
|
;
|
|
|
|
texTarget: TEX_1D { $$ = TEXTURE_1D_INDEX; }
|
|
| TEX_2D { $$ = TEXTURE_2D_INDEX; }
|
|
| TEX_3D { $$ = TEXTURE_3D_INDEX; }
|
|
| TEX_CUBE { $$ = TEXTURE_CUBE_INDEX; }
|
|
| TEX_RECT { $$ = TEXTURE_RECT_INDEX; }
|
|
| TEX_SHADOW1D { $$ = -TEXTURE_1D_INDEX; }
|
|
| TEX_SHADOW2D { $$ = -TEXTURE_2D_INDEX; }
|
|
| TEX_SHADOWRECT { $$ = -TEXTURE_RECT_INDEX; }
|
|
| TEX_ARRAY1D { $$ = TEXTURE_1D_ARRAY_INDEX; }
|
|
| TEX_ARRAY2D { $$ = TEXTURE_2D_ARRAY_INDEX; }
|
|
| TEX_ARRAYSHADOW1D { $$ = -TEXTURE_1D_ARRAY_INDEX; }
|
|
| TEX_ARRAYSHADOW2D { $$ = -TEXTURE_2D_ARRAY_INDEX; }
|
|
;
|
|
|
|
SWZ_instruction: SWZ maskedDstReg ',' srcReg ',' extendedSwizzle
|
|
{
|
|
/* FIXME: Is this correct? Should the extenedSwizzle be applied
|
|
* FIXME: to the existing swizzle?
|
|
*/
|
|
$4.Base.Swizzle = $6.swizzle;
|
|
$4.Base.Negate = $6.mask;
|
|
|
|
$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
|
|
}
|
|
;
|
|
|
|
scalarSrcReg: optionalSign scalarUse
|
|
{
|
|
$$ = $2;
|
|
|
|
if ($1) {
|
|
$$.Base.Negate = ~$$.Base.Negate;
|
|
}
|
|
}
|
|
;
|
|
|
|
scalarUse: srcReg scalarSuffix
|
|
{
|
|
$$ = $1;
|
|
|
|
$$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle,
|
|
$2.swizzle);
|
|
}
|
|
;
|
|
|
|
swizzleSrcReg: optionalSign srcReg swizzleSuffix
|
|
{
|
|
$$ = $2;
|
|
|
|
if ($1) {
|
|
$$.Base.Negate = ~$$.Base.Negate;
|
|
}
|
|
|
|
$$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle,
|
|
$3.swizzle);
|
|
}
|
|
;
|
|
|
|
maskedDstReg: dstReg optionalMask
|
|
{
|
|
$$ = $1;
|
|
$$.WriteMask = $2.mask;
|
|
|
|
if ($$.File == PROGRAM_OUTPUT) {
|
|
/* Technically speaking, this should check that it is in
|
|
* vertex program mode. However, PositionInvariant can never be
|
|
* set in fragment program mode, so it is somewhat irrelevant.
|
|
*/
|
|
if (state->option.PositionInvariant
|
|
&& ($$.Index == VARYING_SLOT_POS)) {
|
|
yyerror(& @1, state, "position-invariant programs cannot "
|
|
"write position");
|
|
YYERROR;
|
|
}
|
|
|
|
state->prog->info.outputs_written |= BITFIELD64_BIT($$.Index);
|
|
}
|
|
}
|
|
;
|
|
|
|
maskedAddrReg: addrReg addrWriteMask
|
|
{
|
|
set_dst_reg(& $$, PROGRAM_ADDRESS, 0);
|
|
$$.WriteMask = $2.mask;
|
|
}
|
|
;
|
|
|
|
extendedSwizzle: extSwizComp ',' extSwizComp ',' extSwizComp ',' extSwizComp
|
|
{
|
|
const unsigned xyzw_valid =
|
|
($1.xyzw_valid << 0)
|
|
| ($3.xyzw_valid << 1)
|
|
| ($5.xyzw_valid << 2)
|
|
| ($7.xyzw_valid << 3);
|
|
const unsigned rgba_valid =
|
|
($1.rgba_valid << 0)
|
|
| ($3.rgba_valid << 1)
|
|
| ($5.rgba_valid << 2)
|
|
| ($7.rgba_valid << 3);
|
|
|
|
/* All of the swizzle components have to be valid in either RGBA
|
|
* or XYZW. Note that 0 and 1 are valid in both, so both masks
|
|
* can have some bits set.
|
|
*
|
|
* We somewhat deviate from the spec here. It would be really hard
|
|
* to figure out which component is the error, and there probably
|
|
* isn't a lot of benefit.
|
|
*/
|
|
if ((rgba_valid != 0x0f) && (xyzw_valid != 0x0f)) {
|
|
yyerror(& @1, state, "cannot combine RGBA and XYZW swizzle "
|
|
"components");
|
|
YYERROR;
|
|
}
|
|
|
|
$$.swizzle = MAKE_SWIZZLE4($1.swz, $3.swz, $5.swz, $7.swz);
|
|
$$.mask = ($1.negate) | ($3.negate << 1) | ($5.negate << 2)
|
|
| ($7.negate << 3);
|
|
}
|
|
;
|
|
|
|
extSwizComp: optionalSign extSwizSel
|
|
{
|
|
$$ = $2;
|
|
$$.negate = ($1) ? 1 : 0;
|
|
}
|
|
;
|
|
|
|
extSwizSel: INTEGER
|
|
{
|
|
if (($1 != 0) && ($1 != 1)) {
|
|
yyerror(& @1, state, "invalid extended swizzle selector");
|
|
YYERROR;
|
|
}
|
|
|
|
$$.swz = ($1 == 0) ? SWIZZLE_ZERO : SWIZZLE_ONE;
|
|
$$.negate = 0;
|
|
|
|
/* 0 and 1 are valid for both RGBA swizzle names and XYZW
|
|
* swizzle names.
|
|
*/
|
|
$$.xyzw_valid = 1;
|
|
$$.rgba_valid = 1;
|
|
}
|
|
| string
|
|
{
|
|
char s;
|
|
|
|
if (strlen($1) > 1) {
|
|
yyerror(& @1, state, "invalid extended swizzle selector");
|
|
YYERROR;
|
|
}
|
|
|
|
s = $1[0];
|
|
free($1);
|
|
|
|
$$.rgba_valid = 0;
|
|
$$.xyzw_valid = 0;
|
|
$$.negate = 0;
|
|
|
|
switch (s) {
|
|
case 'x':
|
|
$$.swz = SWIZZLE_X;
|
|
$$.xyzw_valid = 1;
|
|
break;
|
|
case 'y':
|
|
$$.swz = SWIZZLE_Y;
|
|
$$.xyzw_valid = 1;
|
|
break;
|
|
case 'z':
|
|
$$.swz = SWIZZLE_Z;
|
|
$$.xyzw_valid = 1;
|
|
break;
|
|
case 'w':
|
|
$$.swz = SWIZZLE_W;
|
|
$$.xyzw_valid = 1;
|
|
break;
|
|
|
|
case 'r':
|
|
$$.swz = SWIZZLE_X;
|
|
$$.rgba_valid = 1;
|
|
break;
|
|
case 'g':
|
|
$$.swz = SWIZZLE_Y;
|
|
$$.rgba_valid = 1;
|
|
break;
|
|
case 'b':
|
|
$$.swz = SWIZZLE_Z;
|
|
$$.rgba_valid = 1;
|
|
break;
|
|
case 'a':
|
|
$$.swz = SWIZZLE_W;
|
|
$$.rgba_valid = 1;
|
|
break;
|
|
|
|
default:
|
|
yyerror(& @1, state, "invalid extended swizzle selector");
|
|
YYERROR;
|
|
break;
|
|
}
|
|
}
|
|
;
|
|
|
|
srcReg: USED_IDENTIFIER /* temporaryReg | progParamSingle */
|
|
{
|
|
struct asm_symbol *const s = (struct asm_symbol *)
|
|
_mesa_symbol_table_find_symbol(state->st, $1);
|
|
|
|
free($1);
|
|
|
|
if (s == NULL) {
|
|
yyerror(& @1, state, "invalid operand variable");
|
|
YYERROR;
|
|
} else if ((s->type != at_param) && (s->type != at_temp)
|
|
&& (s->type != at_attrib)) {
|
|
yyerror(& @1, state, "invalid operand variable");
|
|
YYERROR;
|
|
} else if ((s->type == at_param) && s->param_is_array) {
|
|
yyerror(& @1, state, "non-array access to array PARAM");
|
|
YYERROR;
|
|
}
|
|
|
|
init_src_reg(& $$);
|
|
switch (s->type) {
|
|
case at_temp:
|
|
set_src_reg(& $$, PROGRAM_TEMPORARY, s->temp_binding);
|
|
break;
|
|
case at_param:
|
|
set_src_reg_swz(& $$, s->param_binding_type,
|
|
s->param_binding_begin,
|
|
s->param_binding_swizzle);
|
|
break;
|
|
case at_attrib:
|
|
set_src_reg(& $$, PROGRAM_INPUT, s->attrib_binding);
|
|
state->prog->info.inputs_read |= BITFIELD64_BIT($$.Base.Index);
|
|
|
|
if (!validate_inputs(& @1, state)) {
|
|
YYERROR;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
YYERROR;
|
|
break;
|
|
}
|
|
}
|
|
| attribBinding
|
|
{
|
|
set_src_reg(& $$, PROGRAM_INPUT, $1);
|
|
state->prog->info.inputs_read |= BITFIELD64_BIT($$.Base.Index);
|
|
|
|
if (!validate_inputs(& @1, state)) {
|
|
YYERROR;
|
|
}
|
|
}
|
|
| progParamArray '[' progParamArrayMem ']'
|
|
{
|
|
if (! $3.Base.RelAddr
|
|
&& ((unsigned) $3.Base.Index >= $1->param_binding_length)) {
|
|
yyerror(& @3, state, "out of bounds array access");
|
|
YYERROR;
|
|
}
|
|
|
|
init_src_reg(& $$);
|
|
$$.Base.File = $1->param_binding_type;
|
|
|
|
if ($3.Base.RelAddr) {
|
|
state->prog->arb.IndirectRegisterFiles |= (1 << $$.Base.File);
|
|
$1->param_accessed_indirectly = 1;
|
|
|
|
$$.Base.RelAddr = 1;
|
|
$$.Base.Index = $3.Base.Index;
|
|
$$.Symbol = $1;
|
|
} else {
|
|
$$.Base.Index = $1->param_binding_begin + $3.Base.Index;
|
|
}
|
|
}
|
|
| paramSingleItemUse
|
|
{
|
|
gl_register_file file = ($1.name != NULL)
|
|
? $1.param_binding_type
|
|
: PROGRAM_CONSTANT;
|
|
set_src_reg_swz(& $$, file, $1.param_binding_begin,
|
|
$1.param_binding_swizzle);
|
|
}
|
|
;
|
|
|
|
dstReg: resultBinding
|
|
{
|
|
set_dst_reg(& $$, PROGRAM_OUTPUT, $1);
|
|
}
|
|
| USED_IDENTIFIER /* temporaryReg | vertexResultReg */
|
|
{
|
|
struct asm_symbol *const s = (struct asm_symbol *)
|
|
_mesa_symbol_table_find_symbol(state->st, $1);
|
|
|
|
free($1);
|
|
|
|
if (s == NULL) {
|
|
yyerror(& @1, state, "invalid operand variable");
|
|
YYERROR;
|
|
} else if ((s->type != at_output) && (s->type != at_temp)) {
|
|
yyerror(& @1, state, "invalid operand variable");
|
|
YYERROR;
|
|
}
|
|
|
|
switch (s->type) {
|
|
case at_temp:
|
|
set_dst_reg(& $$, PROGRAM_TEMPORARY, s->temp_binding);
|
|
break;
|
|
case at_output:
|
|
set_dst_reg(& $$, PROGRAM_OUTPUT, s->output_binding);
|
|
break;
|
|
default:
|
|
set_dst_reg(& $$, s->param_binding_type, s->param_binding_begin);
|
|
break;
|
|
}
|
|
}
|
|
;
|
|
|
|
progParamArray: USED_IDENTIFIER
|
|
{
|
|
struct asm_symbol *const s = (struct asm_symbol *)
|
|
_mesa_symbol_table_find_symbol(state->st, $1);
|
|
|
|
free($1);
|
|
|
|
if (s == NULL) {
|
|
yyerror(& @1, state, "invalid operand variable");
|
|
YYERROR;
|
|
} else if ((s->type != at_param) || !s->param_is_array) {
|
|
yyerror(& @1, state, "array access to non-PARAM variable");
|
|
YYERROR;
|
|
} else {
|
|
$$ = s;
|
|
}
|
|
}
|
|
;
|
|
|
|
progParamArrayMem: progParamArrayAbs | progParamArrayRel;
|
|
|
|
progParamArrayAbs: INTEGER
|
|
{
|
|
init_src_reg(& $$);
|
|
$$.Base.Index = $1;
|
|
}
|
|
;
|
|
|
|
progParamArrayRel: addrReg addrComponent addrRegRelOffset
|
|
{
|
|
/* FINISHME: Add support for multiple address registers.
|
|
*/
|
|
/* FINISHME: Add support for 4-component address registers.
|
|
*/
|
|
init_src_reg(& $$);
|
|
$$.Base.RelAddr = 1;
|
|
$$.Base.Index = $3;
|
|
}
|
|
;
|
|
|
|
addrRegRelOffset: { $$ = 0; }
|
|
| '+' addrRegPosOffset { $$ = $2; }
|
|
| '-' addrRegNegOffset { $$ = -$2; }
|
|
;
|
|
|
|
addrRegPosOffset: INTEGER
|
|
{
|
|
if (($1 < 0) || ($1 > (state->limits->MaxAddressOffset - 1))) {
|
|
char s[100];
|
|
snprintf(s, sizeof(s),
|
|
"relative address offset too large (%d)", $1);
|
|
yyerror(& @1, state, s);
|
|
YYERROR;
|
|
} else {
|
|
$$ = $1;
|
|
}
|
|
}
|
|
;
|
|
|
|
addrRegNegOffset: INTEGER
|
|
{
|
|
if (($1 < 0) || ($1 > state->limits->MaxAddressOffset)) {
|
|
char s[100];
|
|
snprintf(s, sizeof(s),
|
|
"relative address offset too large (%d)", $1);
|
|
yyerror(& @1, state, s);
|
|
YYERROR;
|
|
} else {
|
|
$$ = $1;
|
|
}
|
|
}
|
|
;
|
|
|
|
addrReg: USED_IDENTIFIER
|
|
{
|
|
struct asm_symbol *const s = (struct asm_symbol *)
|
|
_mesa_symbol_table_find_symbol(state->st, $1);
|
|
|
|
free($1);
|
|
|
|
if (s == NULL) {
|
|
yyerror(& @1, state, "invalid array member");
|
|
YYERROR;
|
|
} else if (s->type != at_address) {
|
|
yyerror(& @1, state,
|
|
"invalid variable for indexed array access");
|
|
YYERROR;
|
|
} else {
|
|
$$ = s;
|
|
}
|
|
}
|
|
;
|
|
|
|
addrComponent: MASK1
|
|
{
|
|
if ($1.mask != WRITEMASK_X) {
|
|
yyerror(& @1, state, "invalid address component selector");
|
|
YYERROR;
|
|
} else {
|
|
$$ = $1;
|
|
}
|
|
}
|
|
;
|
|
|
|
addrWriteMask: MASK1
|
|
{
|
|
if ($1.mask != WRITEMASK_X) {
|
|
yyerror(& @1, state,
|
|
"address register write mask must be \".x\"");
|
|
YYERROR;
|
|
} else {
|
|
$$ = $1;
|
|
}
|
|
}
|
|
;
|
|
|
|
scalarSuffix: MASK1;
|
|
|
|
swizzleSuffix: MASK1
|
|
| MASK4
|
|
| SWIZZLE
|
|
| { $$.swizzle = SWIZZLE_NOOP; $$.mask = WRITEMASK_XYZW; }
|
|
;
|
|
|
|
optionalMask: MASK4 | MASK3 | MASK2 | MASK1
|
|
| { $$.swizzle = SWIZZLE_NOOP; $$.mask = WRITEMASK_XYZW; }
|
|
;
|
|
|
|
namingStatement: ATTRIB_statement
|
|
| PARAM_statement
|
|
| TEMP_statement
|
|
| ADDRESS_statement
|
|
| OUTPUT_statement
|
|
| ALIAS_statement
|
|
;
|
|
|
|
ATTRIB_statement: ATTRIB IDENTIFIER '=' attribBinding
|
|
{
|
|
struct asm_symbol *const s =
|
|
declare_variable(state, $2, at_attrib, & @2);
|
|
|
|
if (s == NULL) {
|
|
free($2);
|
|
YYERROR;
|
|
} else {
|
|
s->attrib_binding = $4;
|
|
state->InputsBound |= BITFIELD64_BIT(s->attrib_binding);
|
|
|
|
if (!validate_inputs(& @4, state)) {
|
|
YYERROR;
|
|
}
|
|
}
|
|
}
|
|
;
|
|
|
|
attribBinding: VERTEX vtxAttribItem
|
|
{
|
|
$$ = $2;
|
|
}
|
|
| FRAGMENT fragAttribItem
|
|
{
|
|
$$ = $2;
|
|
}
|
|
;
|
|
|
|
vtxAttribItem: POSITION
|
|
{
|
|
$$ = VERT_ATTRIB_POS;
|
|
}
|
|
| NORMAL
|
|
{
|
|
$$ = VERT_ATTRIB_NORMAL;
|
|
}
|
|
| COLOR optColorType
|
|
{
|
|
$$ = VERT_ATTRIB_COLOR0 + $2;
|
|
}
|
|
| FOGCOORD
|
|
{
|
|
$$ = VERT_ATTRIB_FOG;
|
|
}
|
|
| TEXCOORD optTexCoordUnitNum
|
|
{
|
|
$$ = VERT_ATTRIB_TEX0 + $2;
|
|
}
|
|
| MATRIXINDEX '[' vtxWeightNum ']'
|
|
{
|
|
yyerror(& @1, state, "GL_ARB_matrix_palette not supported");
|
|
YYERROR;
|
|
}
|
|
| VTXATTRIB '[' vtxAttribNum ']'
|
|
{
|
|
$$ = VERT_ATTRIB_GENERIC0 + $3;
|
|
}
|
|
;
|
|
|
|
vtxAttribNum: INTEGER
|
|
{
|
|
if ((unsigned) $1 >= state->limits->MaxAttribs) {
|
|
yyerror(& @1, state, "invalid vertex attribute reference");
|
|
YYERROR;
|
|
}
|
|
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
vtxWeightNum: INTEGER;
|
|
|
|
fragAttribItem: POSITION
|
|
{
|
|
$$ = VARYING_SLOT_POS;
|
|
}
|
|
| COLOR optColorType
|
|
{
|
|
$$ = VARYING_SLOT_COL0 + $2;
|
|
}
|
|
| FOGCOORD
|
|
{
|
|
$$ = VARYING_SLOT_FOGC;
|
|
}
|
|
| TEXCOORD optTexCoordUnitNum
|
|
{
|
|
$$ = VARYING_SLOT_TEX0 + $2;
|
|
}
|
|
;
|
|
|
|
PARAM_statement: PARAM_singleStmt | PARAM_multipleStmt;
|
|
|
|
PARAM_singleStmt: PARAM IDENTIFIER paramSingleInit
|
|
{
|
|
struct asm_symbol *const s =
|
|
declare_variable(state, $2, at_param, & @2);
|
|
|
|
if (s == NULL) {
|
|
free($2);
|
|
YYERROR;
|
|
} else {
|
|
s->param_binding_type = $3.param_binding_type;
|
|
s->param_binding_begin = $3.param_binding_begin;
|
|
s->param_binding_length = $3.param_binding_length;
|
|
s->param_binding_swizzle = $3.param_binding_swizzle;
|
|
s->param_is_array = 0;
|
|
}
|
|
}
|
|
;
|
|
|
|
PARAM_multipleStmt: PARAM IDENTIFIER '[' optArraySize ']' paramMultipleInit
|
|
{
|
|
if (($4 != 0) && ((unsigned) $4 != $6.param_binding_length)) {
|
|
free($2);
|
|
yyerror(& @4, state,
|
|
"parameter array size and number of bindings must match");
|
|
YYERROR;
|
|
} else {
|
|
struct asm_symbol *const s =
|
|
declare_variable(state, $2, $6.type, & @2);
|
|
|
|
if (s == NULL) {
|
|
free($2);
|
|
YYERROR;
|
|
} else {
|
|
s->param_binding_type = $6.param_binding_type;
|
|
s->param_binding_begin = $6.param_binding_begin;
|
|
s->param_binding_length = $6.param_binding_length;
|
|
s->param_binding_swizzle = SWIZZLE_XYZW;
|
|
s->param_is_array = 1;
|
|
}
|
|
}
|
|
}
|
|
;
|
|
|
|
optArraySize:
|
|
{
|
|
$$ = 0;
|
|
}
|
|
| INTEGER
|
|
{
|
|
if (($1 < 1) || ((unsigned) $1 > state->limits->MaxParameters)) {
|
|
char msg[100];
|
|
snprintf(msg, sizeof(msg),
|
|
"invalid parameter array size (size=%d max=%u)",
|
|
$1, state->limits->MaxParameters);
|
|
yyerror(& @1, state, msg);
|
|
YYERROR;
|
|
} else {
|
|
$$ = $1;
|
|
}
|
|
}
|
|
;
|
|
|
|
paramSingleInit: '=' paramSingleItemDecl
|
|
{
|
|
$$ = $2;
|
|
}
|
|
;
|
|
|
|
paramMultipleInit: '=' '{' paramMultInitList '}'
|
|
{
|
|
$$ = $3;
|
|
}
|
|
;
|
|
|
|
paramMultInitList: paramMultipleItem
|
|
| paramMultInitList ',' paramMultipleItem
|
|
{
|
|
$1.param_binding_length += $3.param_binding_length;
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
paramSingleItemDecl: stateSingleItem
|
|
{
|
|
memset(& $$, 0, sizeof($$));
|
|
$$.param_binding_begin = ~0;
|
|
initialize_symbol_from_state(state->prog, & $$, $1);
|
|
}
|
|
| programSingleItem
|
|
{
|
|
memset(& $$, 0, sizeof($$));
|
|
$$.param_binding_begin = ~0;
|
|
initialize_symbol_from_param(state->prog, & $$, $1);
|
|
}
|
|
| paramConstDecl
|
|
{
|
|
memset(& $$, 0, sizeof($$));
|
|
$$.param_binding_begin = ~0;
|
|
initialize_symbol_from_const(state->prog, & $$, & $1, GL_TRUE);
|
|
}
|
|
;
|
|
|
|
paramSingleItemUse: stateSingleItem
|
|
{
|
|
memset(& $$, 0, sizeof($$));
|
|
$$.param_binding_begin = ~0;
|
|
initialize_symbol_from_state(state->prog, & $$, $1);
|
|
}
|
|
| programSingleItem
|
|
{
|
|
memset(& $$, 0, sizeof($$));
|
|
$$.param_binding_begin = ~0;
|
|
initialize_symbol_from_param(state->prog, & $$, $1);
|
|
}
|
|
| paramConstUse
|
|
{
|
|
memset(& $$, 0, sizeof($$));
|
|
$$.param_binding_begin = ~0;
|
|
initialize_symbol_from_const(state->prog, & $$, & $1, GL_TRUE);
|
|
}
|
|
;
|
|
|
|
paramMultipleItem: stateMultipleItem
|
|
{
|
|
memset(& $$, 0, sizeof($$));
|
|
$$.param_binding_begin = ~0;
|
|
initialize_symbol_from_state(state->prog, & $$, $1);
|
|
}
|
|
| programMultipleItem
|
|
{
|
|
memset(& $$, 0, sizeof($$));
|
|
$$.param_binding_begin = ~0;
|
|
initialize_symbol_from_param(state->prog, & $$, $1);
|
|
}
|
|
| paramConstDecl
|
|
{
|
|
memset(& $$, 0, sizeof($$));
|
|
$$.param_binding_begin = ~0;
|
|
initialize_symbol_from_const(state->prog, & $$, & $1, GL_FALSE);
|
|
}
|
|
;
|
|
|
|
stateMultipleItem: stateSingleItem { memcpy($$, $1, sizeof($$)); }
|
|
| STATE stateMatrixRows { memcpy($$, $2, sizeof($$)); }
|
|
;
|
|
|
|
stateSingleItem: STATE stateMaterialItem { memcpy($$, $2, sizeof($$)); }
|
|
| STATE stateLightItem { memcpy($$, $2, sizeof($$)); }
|
|
| STATE stateLightModelItem { memcpy($$, $2, sizeof($$)); }
|
|
| STATE stateLightProdItem { memcpy($$, $2, sizeof($$)); }
|
|
| STATE stateTexGenItem { memcpy($$, $2, sizeof($$)); }
|
|
| STATE stateTexEnvItem { memcpy($$, $2, sizeof($$)); }
|
|
| STATE stateFogItem { memcpy($$, $2, sizeof($$)); }
|
|
| STATE stateClipPlaneItem { memcpy($$, $2, sizeof($$)); }
|
|
| STATE statePointItem { memcpy($$, $2, sizeof($$)); }
|
|
| STATE stateMatrixRow { memcpy($$, $2, sizeof($$)); }
|
|
| STATE stateDepthItem { memcpy($$, $2, sizeof($$)); }
|
|
;
|
|
|
|
stateMaterialItem: MATERIAL optFaceType stateMatProperty
|
|
{
|
|
memset($$, 0, sizeof($$));
|
|
$$[0] = STATE_MATERIAL;
|
|
$$[1] = $3 + $2;
|
|
$$[2] = 0;
|
|
}
|
|
;
|
|
|
|
stateMatProperty: ambDiffSpecPropertyMaterial
|
|
{
|
|
$$ = $1;
|
|
}
|
|
| EMISSION
|
|
{
|
|
$$ = MAT_ATTRIB_FRONT_EMISSION;
|
|
}
|
|
| SHININESS
|
|
{
|
|
$$ = MAT_ATTRIB_FRONT_SHININESS;
|
|
}
|
|
;
|
|
|
|
stateLightItem: LIGHT '[' stateLightNumber ']' stateLightProperty
|
|
{
|
|
memset($$, 0, sizeof($$));
|
|
$$[0] = STATE_LIGHT;
|
|
$$[1] = $3;
|
|
$$[2] = $5;
|
|
}
|
|
;
|
|
|
|
stateLightProperty: ambDiffSpecPropertyLight
|
|
{
|
|
$$ = $1;
|
|
}
|
|
| POSITION
|
|
{
|
|
$$ = STATE_POSITION;
|
|
}
|
|
| ATTENUATION
|
|
{
|
|
$$ = STATE_ATTENUATION;
|
|
}
|
|
| SPOT stateSpotProperty
|
|
{
|
|
$$ = $2;
|
|
}
|
|
| HALF
|
|
{
|
|
$$ = STATE_HALF_VECTOR;
|
|
}
|
|
;
|
|
|
|
stateSpotProperty: DIRECTION
|
|
{
|
|
$$ = STATE_SPOT_DIRECTION;
|
|
}
|
|
;
|
|
|
|
stateLightModelItem: LIGHTMODEL stateLModProperty
|
|
{
|
|
$$[0] = $2[0];
|
|
$$[1] = $2[1];
|
|
}
|
|
;
|
|
|
|
stateLModProperty: AMBIENT
|
|
{
|
|
memset($$, 0, sizeof($$));
|
|
$$[0] = STATE_LIGHTMODEL_AMBIENT;
|
|
}
|
|
| optFaceType SCENECOLOR
|
|
{
|
|
memset($$, 0, sizeof($$));
|
|
$$[0] = STATE_LIGHTMODEL_SCENECOLOR;
|
|
$$[1] = $1;
|
|
}
|
|
;
|
|
|
|
stateLightProdItem: LIGHTPROD '[' stateLightNumber ']' optFaceType stateLProdProperty
|
|
{
|
|
memset($$, 0, sizeof($$));
|
|
$$[0] = STATE_LIGHTPROD;
|
|
$$[1] = $3;
|
|
$$[2] = $6 + $5;
|
|
$$[3] = 0;
|
|
}
|
|
;
|
|
|
|
stateLProdProperty: ambDiffSpecPropertyMaterial;
|
|
|
|
stateTexEnvItem: TEXENV optLegacyTexUnitNum stateTexEnvProperty
|
|
{
|
|
memset($$, 0, sizeof($$));
|
|
$$[0] = $3;
|
|
$$[1] = $2;
|
|
}
|
|
;
|
|
|
|
stateTexEnvProperty: COLOR
|
|
{
|
|
$$ = STATE_TEXENV_COLOR;
|
|
}
|
|
;
|
|
|
|
ambDiffSpecPropertyMaterial: AMBIENT
|
|
{
|
|
$$ = MAT_ATTRIB_FRONT_AMBIENT;
|
|
}
|
|
| DIFFUSE
|
|
{
|
|
$$ = MAT_ATTRIB_FRONT_DIFFUSE;
|
|
}
|
|
| SPECULAR
|
|
{
|
|
$$ = MAT_ATTRIB_FRONT_SPECULAR;
|
|
}
|
|
;
|
|
|
|
ambDiffSpecPropertyLight: AMBIENT
|
|
{
|
|
$$ = STATE_AMBIENT;
|
|
}
|
|
| DIFFUSE
|
|
{
|
|
$$ = STATE_DIFFUSE;
|
|
}
|
|
| SPECULAR
|
|
{
|
|
$$ = STATE_SPECULAR;
|
|
}
|
|
;
|
|
|
|
stateLightNumber: INTEGER
|
|
{
|
|
if ((unsigned) $1 >= state->MaxLights) {
|
|
yyerror(& @1, state, "invalid light selector");
|
|
YYERROR;
|
|
}
|
|
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
stateTexGenItem: TEXGEN optTexCoordUnitNum stateTexGenType stateTexGenCoord
|
|
{
|
|
memset($$, 0, sizeof($$));
|
|
$$[0] = STATE_TEXGEN;
|
|
$$[1] = $2;
|
|
$$[2] = $3 + $4;
|
|
}
|
|
;
|
|
|
|
stateTexGenType: EYE
|
|
{
|
|
$$ = STATE_TEXGEN_EYE_S;
|
|
}
|
|
| OBJECT
|
|
{
|
|
$$ = STATE_TEXGEN_OBJECT_S;
|
|
}
|
|
;
|
|
stateTexGenCoord: TEXGEN_S
|
|
{
|
|
$$ = STATE_TEXGEN_EYE_S - STATE_TEXGEN_EYE_S;
|
|
}
|
|
| TEXGEN_T
|
|
{
|
|
$$ = STATE_TEXGEN_EYE_T - STATE_TEXGEN_EYE_S;
|
|
}
|
|
| TEXGEN_R
|
|
{
|
|
$$ = STATE_TEXGEN_EYE_R - STATE_TEXGEN_EYE_S;
|
|
}
|
|
| TEXGEN_Q
|
|
{
|
|
$$ = STATE_TEXGEN_EYE_Q - STATE_TEXGEN_EYE_S;
|
|
}
|
|
;
|
|
|
|
stateFogItem: FOG stateFogProperty
|
|
{
|
|
memset($$, 0, sizeof($$));
|
|
$$[0] = $2;
|
|
}
|
|
;
|
|
|
|
stateFogProperty: COLOR
|
|
{
|
|
$$ = STATE_FOG_COLOR;
|
|
}
|
|
| PARAMS
|
|
{
|
|
$$ = STATE_FOG_PARAMS;
|
|
}
|
|
;
|
|
|
|
stateClipPlaneItem: CLIP '[' stateClipPlaneNum ']' PLANE
|
|
{
|
|
memset($$, 0, sizeof($$));
|
|
$$[0] = STATE_CLIPPLANE;
|
|
$$[1] = $3;
|
|
}
|
|
;
|
|
|
|
stateClipPlaneNum: INTEGER
|
|
{
|
|
if ((unsigned) $1 >= state->MaxClipPlanes) {
|
|
yyerror(& @1, state, "invalid clip plane selector");
|
|
YYERROR;
|
|
}
|
|
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
statePointItem: POINT_TOK statePointProperty
|
|
{
|
|
memset($$, 0, sizeof($$));
|
|
$$[0] = $2;
|
|
}
|
|
;
|
|
|
|
statePointProperty: SIZE_TOK
|
|
{
|
|
$$ = STATE_POINT_SIZE;
|
|
}
|
|
| ATTENUATION
|
|
{
|
|
$$ = STATE_POINT_ATTENUATION;
|
|
}
|
|
;
|
|
|
|
stateMatrixRow: stateMatrixItem ROW '[' stateMatrixRowNum ']'
|
|
{
|
|
$$[0] = $1[0] + $1[2];
|
|
$$[1] = $1[1];
|
|
$$[2] = $4;
|
|
$$[3] = $4;
|
|
}
|
|
;
|
|
|
|
stateMatrixRows: stateMatrixItem optMatrixRows
|
|
{
|
|
$$[0] = $1[0] + $1[2];
|
|
$$[1] = $1[1];
|
|
$$[2] = $2[2];
|
|
$$[3] = $2[3];
|
|
}
|
|
;
|
|
|
|
optMatrixRows:
|
|
{
|
|
$$[2] = 0;
|
|
$$[3] = 3;
|
|
}
|
|
| ROW '[' stateMatrixRowNum DOT_DOT stateMatrixRowNum ']'
|
|
{
|
|
/* It seems logical that the matrix row range specifier would have
|
|
* to specify a range or more than one row (i.e., $5 > $3).
|
|
* However, the ARB_vertex_program spec says "a program will fail
|
|
* to load if <a> is greater than <b>." This means that $3 == $5
|
|
* is valid.
|
|
*/
|
|
if ($3 > $5) {
|
|
yyerror(& @3, state, "invalid matrix row range");
|
|
YYERROR;
|
|
}
|
|
|
|
$$[2] = $3;
|
|
$$[3] = $5;
|
|
}
|
|
;
|
|
|
|
stateMatrixItem: MATRIX stateMatrixName stateOptMatModifier
|
|
{
|
|
$$[0] = $2[0];
|
|
$$[1] = $2[1];
|
|
$$[2] = $3;
|
|
}
|
|
;
|
|
|
|
stateOptMatModifier:
|
|
{
|
|
$$ = STATE_MATRIX_NO_MODIFIER;
|
|
}
|
|
| stateMatModifier
|
|
{
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
stateMatModifier: INVERSE
|
|
{
|
|
$$ = STATE_MATRIX_INVERSE;
|
|
}
|
|
| TRANSPOSE
|
|
{
|
|
$$ = STATE_MATRIX_TRANSPOSE;
|
|
}
|
|
| INVTRANS
|
|
{
|
|
$$ = STATE_MATRIX_INVTRANS;
|
|
}
|
|
;
|
|
|
|
stateMatrixRowNum: INTEGER
|
|
{
|
|
if ($1 > 3) {
|
|
yyerror(& @1, state, "invalid matrix row reference");
|
|
YYERROR;
|
|
}
|
|
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
stateMatrixName: MODELVIEW stateOptModMatNum
|
|
{
|
|
$$[0] = STATE_MODELVIEW_MATRIX;
|
|
$$[1] = $2;
|
|
}
|
|
| PROJECTION
|
|
{
|
|
$$[0] = STATE_PROJECTION_MATRIX;
|
|
$$[1] = 0;
|
|
}
|
|
| MVP
|
|
{
|
|
$$[0] = STATE_MVP_MATRIX;
|
|
$$[1] = 0;
|
|
}
|
|
| TEXTURE optTexCoordUnitNum
|
|
{
|
|
$$[0] = STATE_TEXTURE_MATRIX;
|
|
$$[1] = $2;
|
|
}
|
|
| PALETTE '[' statePaletteMatNum ']'
|
|
{
|
|
yyerror(& @1, state, "GL_ARB_matrix_palette not supported");
|
|
YYERROR;
|
|
}
|
|
| MAT_PROGRAM '[' stateProgramMatNum ']'
|
|
{
|
|
$$[0] = STATE_PROGRAM_MATRIX;
|
|
$$[1] = $3;
|
|
}
|
|
;
|
|
|
|
stateOptModMatNum:
|
|
{
|
|
$$ = 0;
|
|
}
|
|
| '[' stateModMatNum ']'
|
|
{
|
|
$$ = $2;
|
|
}
|
|
;
|
|
stateModMatNum: INTEGER
|
|
{
|
|
/* Since GL_ARB_vertex_blend isn't supported, only modelview matrix
|
|
* zero is valid.
|
|
*/
|
|
if ($1 != 0) {
|
|
yyerror(& @1, state, "invalid modelview matrix index");
|
|
YYERROR;
|
|
}
|
|
|
|
$$ = $1;
|
|
}
|
|
;
|
|
statePaletteMatNum: INTEGER
|
|
{
|
|
/* Since GL_ARB_matrix_palette isn't supported, just let any value
|
|
* through here. The error will be generated later.
|
|
*/
|
|
$$ = $1;
|
|
}
|
|
;
|
|
stateProgramMatNum: INTEGER
|
|
{
|
|
if ((unsigned) $1 >= state->MaxProgramMatrices) {
|
|
yyerror(& @1, state, "invalid program matrix selector");
|
|
YYERROR;
|
|
}
|
|
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
stateDepthItem: DEPTH RANGE
|
|
{
|
|
memset($$, 0, sizeof($$));
|
|
$$[0] = STATE_DEPTH_RANGE;
|
|
}
|
|
;
|
|
|
|
|
|
programSingleItem: progEnvParam | progLocalParam;
|
|
|
|
programMultipleItem: progEnvParams | progLocalParams;
|
|
|
|
progEnvParams: PROGRAM ENV '[' progEnvParamNums ']'
|
|
{
|
|
memset($$, 0, sizeof($$));
|
|
$$[0] = state->state_param_enum_env;
|
|
$$[1] = $4[0];
|
|
$$[2] = $4[1];
|
|
$$[3] = 0;
|
|
}
|
|
;
|
|
|
|
progEnvParamNums: progEnvParamNum
|
|
{
|
|
$$[0] = $1;
|
|
$$[1] = $1;
|
|
}
|
|
| progEnvParamNum DOT_DOT progEnvParamNum
|
|
{
|
|
$$[0] = $1;
|
|
$$[1] = $3;
|
|
}
|
|
;
|
|
|
|
progEnvParam: PROGRAM ENV '[' progEnvParamNum ']'
|
|
{
|
|
memset($$, 0, sizeof($$));
|
|
$$[0] = state->state_param_enum_env;
|
|
$$[1] = $4;
|
|
$$[2] = $4;
|
|
$$[3] = 0;
|
|
}
|
|
;
|
|
|
|
progLocalParams: PROGRAM LOCAL '[' progLocalParamNums ']'
|
|
{
|
|
memset($$, 0, sizeof($$));
|
|
$$[0] = state->state_param_enum_local;
|
|
$$[1] = $4[0];
|
|
$$[2] = $4[1];
|
|
$$[3] = 0;
|
|
}
|
|
|
|
progLocalParamNums: progLocalParamNum
|
|
{
|
|
$$[0] = $1;
|
|
$$[1] = $1;
|
|
}
|
|
| progLocalParamNum DOT_DOT progLocalParamNum
|
|
{
|
|
$$[0] = $1;
|
|
$$[1] = $3;
|
|
}
|
|
;
|
|
|
|
progLocalParam: PROGRAM LOCAL '[' progLocalParamNum ']'
|
|
{
|
|
memset($$, 0, sizeof($$));
|
|
$$[0] = state->state_param_enum_local;
|
|
$$[1] = $4;
|
|
$$[2] = $4;
|
|
$$[3] = 0;
|
|
}
|
|
;
|
|
|
|
progEnvParamNum: INTEGER
|
|
{
|
|
if ((unsigned) $1 >= state->limits->MaxEnvParams) {
|
|
yyerror(& @1, state, "invalid environment parameter reference");
|
|
YYERROR;
|
|
}
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
progLocalParamNum: INTEGER
|
|
{
|
|
if ((unsigned) $1 >= state->limits->MaxLocalParams) {
|
|
yyerror(& @1, state, "invalid local parameter reference");
|
|
YYERROR;
|
|
}
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
|
|
|
|
paramConstDecl: paramConstScalarDecl | paramConstVector;
|
|
paramConstUse: paramConstScalarUse | paramConstVector;
|
|
|
|
paramConstScalarDecl: signedFloatConstant
|
|
{
|
|
$$.count = 4;
|
|
$$.data[0].f = $1;
|
|
$$.data[1].f = $1;
|
|
$$.data[2].f = $1;
|
|
$$.data[3].f = $1;
|
|
}
|
|
;
|
|
|
|
paramConstScalarUse: REAL
|
|
{
|
|
$$.count = 1;
|
|
$$.data[0].f = $1;
|
|
$$.data[1].f = $1;
|
|
$$.data[2].f = $1;
|
|
$$.data[3].f = $1;
|
|
}
|
|
| INTEGER
|
|
{
|
|
$$.count = 1;
|
|
$$.data[0].f = (float) $1;
|
|
$$.data[1].f = (float) $1;
|
|
$$.data[2].f = (float) $1;
|
|
$$.data[3].f = (float) $1;
|
|
}
|
|
;
|
|
|
|
paramConstVector: '{' signedFloatConstant '}'
|
|
{
|
|
$$.count = 4;
|
|
$$.data[0].f = $2;
|
|
$$.data[1].f = 0.0f;
|
|
$$.data[2].f = 0.0f;
|
|
$$.data[3].f = 1.0f;
|
|
}
|
|
| '{' signedFloatConstant ',' signedFloatConstant '}'
|
|
{
|
|
$$.count = 4;
|
|
$$.data[0].f = $2;
|
|
$$.data[1].f = $4;
|
|
$$.data[2].f = 0.0f;
|
|
$$.data[3].f = 1.0f;
|
|
}
|
|
| '{' signedFloatConstant ',' signedFloatConstant ','
|
|
signedFloatConstant '}'
|
|
{
|
|
$$.count = 4;
|
|
$$.data[0].f = $2;
|
|
$$.data[1].f = $4;
|
|
$$.data[2].f = $6;
|
|
$$.data[3].f = 1.0f;
|
|
}
|
|
| '{' signedFloatConstant ',' signedFloatConstant ','
|
|
signedFloatConstant ',' signedFloatConstant '}'
|
|
{
|
|
$$.count = 4;
|
|
$$.data[0].f = $2;
|
|
$$.data[1].f = $4;
|
|
$$.data[2].f = $6;
|
|
$$.data[3].f = $8;
|
|
}
|
|
;
|
|
|
|
signedFloatConstant: optionalSign REAL
|
|
{
|
|
$$ = ($1) ? -$2 : $2;
|
|
}
|
|
| optionalSign INTEGER
|
|
{
|
|
$$ = (float)(($1) ? -$2 : $2);
|
|
}
|
|
;
|
|
|
|
optionalSign: '+' { $$ = FALSE; }
|
|
| '-' { $$ = TRUE; }
|
|
| { $$ = FALSE; }
|
|
;
|
|
|
|
TEMP_statement: TEMP { $<integer>$ = $1; } varNameList
|
|
;
|
|
|
|
ADDRESS_statement: ADDRESS { $<integer>$ = $1; } varNameList
|
|
;
|
|
|
|
varNameList: varNameList ',' IDENTIFIER
|
|
{
|
|
if (!declare_variable(state, $3, $<integer>0, & @3)) {
|
|
free($3);
|
|
YYERROR;
|
|
}
|
|
}
|
|
| IDENTIFIER
|
|
{
|
|
if (!declare_variable(state, $1, $<integer>0, & @1)) {
|
|
free($1);
|
|
YYERROR;
|
|
}
|
|
}
|
|
;
|
|
|
|
OUTPUT_statement: OUTPUT IDENTIFIER '=' resultBinding
|
|
{
|
|
struct asm_symbol *const s =
|
|
declare_variable(state, $2, at_output, & @2);
|
|
|
|
if (s == NULL) {
|
|
free($2);
|
|
YYERROR;
|
|
} else {
|
|
s->output_binding = $4;
|
|
}
|
|
}
|
|
;
|
|
|
|
resultBinding: RESULT POSITION
|
|
{
|
|
if (state->mode == ARB_vertex) {
|
|
$$ = VARYING_SLOT_POS;
|
|
} else {
|
|
yyerror(& @2, state, "invalid program result name");
|
|
YYERROR;
|
|
}
|
|
}
|
|
| RESULT FOGCOORD
|
|
{
|
|
if (state->mode == ARB_vertex) {
|
|
$$ = VARYING_SLOT_FOGC;
|
|
} else {
|
|
yyerror(& @2, state, "invalid program result name");
|
|
YYERROR;
|
|
}
|
|
}
|
|
| RESULT resultColBinding
|
|
{
|
|
$$ = $2;
|
|
}
|
|
| RESULT POINTSIZE
|
|
{
|
|
if (state->mode == ARB_vertex) {
|
|
$$ = VARYING_SLOT_PSIZ;
|
|
} else {
|
|
yyerror(& @2, state, "invalid program result name");
|
|
YYERROR;
|
|
}
|
|
}
|
|
| RESULT TEXCOORD optTexCoordUnitNum
|
|
{
|
|
if (state->mode == ARB_vertex) {
|
|
$$ = VARYING_SLOT_TEX0 + $3;
|
|
} else {
|
|
yyerror(& @2, state, "invalid program result name");
|
|
YYERROR;
|
|
}
|
|
}
|
|
| RESULT DEPTH
|
|
{
|
|
if (state->mode == ARB_fragment) {
|
|
$$ = FRAG_RESULT_DEPTH;
|
|
} else {
|
|
yyerror(& @2, state, "invalid program result name");
|
|
YYERROR;
|
|
}
|
|
}
|
|
;
|
|
|
|
resultColBinding: COLOR optResultFaceType optResultColorType
|
|
{
|
|
$$ = $2 + $3;
|
|
}
|
|
;
|
|
|
|
optResultFaceType:
|
|
{
|
|
if (state->mode == ARB_vertex) {
|
|
$$ = VARYING_SLOT_COL0;
|
|
} else {
|
|
if (state->option.DrawBuffers)
|
|
$$ = FRAG_RESULT_DATA0;
|
|
else
|
|
$$ = FRAG_RESULT_COLOR;
|
|
}
|
|
}
|
|
| '[' INTEGER ']'
|
|
{
|
|
if (state->mode == ARB_vertex) {
|
|
yyerror(& @1, state, "invalid program result name");
|
|
YYERROR;
|
|
} else {
|
|
if (!state->option.DrawBuffers) {
|
|
/* From the ARB_draw_buffers spec (same text exists
|
|
* for ATI_draw_buffers):
|
|
*
|
|
* If this option is not specified, a fragment
|
|
* program that attempts to bind
|
|
* "result.color[n]" will fail to load, and only
|
|
* "result.color" will be allowed.
|
|
*/
|
|
yyerror(& @1, state,
|
|
"result.color[] used without "
|
|
"`OPTION ARB_draw_buffers' or "
|
|
"`OPTION ATI_draw_buffers'");
|
|
YYERROR;
|
|
} else if ($2 >= state->MaxDrawBuffers) {
|
|
yyerror(& @1, state,
|
|
"result.color[] exceeds MAX_DRAW_BUFFERS_ARB");
|
|
YYERROR;
|
|
}
|
|
$$ = FRAG_RESULT_DATA0 + $2;
|
|
}
|
|
}
|
|
| FRONT
|
|
{
|
|
if (state->mode == ARB_vertex) {
|
|
$$ = VARYING_SLOT_COL0;
|
|
} else {
|
|
yyerror(& @1, state, "invalid program result name");
|
|
YYERROR;
|
|
}
|
|
}
|
|
| BACK
|
|
{
|
|
if (state->mode == ARB_vertex) {
|
|
$$ = VARYING_SLOT_BFC0;
|
|
} else {
|
|
yyerror(& @1, state, "invalid program result name");
|
|
YYERROR;
|
|
}
|
|
}
|
|
;
|
|
|
|
optResultColorType:
|
|
{
|
|
$$ = 0;
|
|
}
|
|
| PRIMARY
|
|
{
|
|
if (state->mode == ARB_vertex) {
|
|
$$ = 0;
|
|
} else {
|
|
yyerror(& @1, state, "invalid program result name");
|
|
YYERROR;
|
|
}
|
|
}
|
|
| SECONDARY
|
|
{
|
|
if (state->mode == ARB_vertex) {
|
|
$$ = 1;
|
|
} else {
|
|
yyerror(& @1, state, "invalid program result name");
|
|
YYERROR;
|
|
}
|
|
}
|
|
;
|
|
|
|
optFaceType: { $$ = 0; }
|
|
| FRONT { $$ = 0; }
|
|
| BACK { $$ = 1; }
|
|
;
|
|
|
|
optColorType: { $$ = 0; }
|
|
| PRIMARY { $$ = 0; }
|
|
| SECONDARY { $$ = 1; }
|
|
;
|
|
|
|
optTexCoordUnitNum: { $$ = 0; }
|
|
| '[' texCoordUnitNum ']' { $$ = $2; }
|
|
;
|
|
|
|
optTexImageUnitNum: { $$ = 0; }
|
|
| '[' texImageUnitNum ']' { $$ = $2; }
|
|
;
|
|
|
|
optLegacyTexUnitNum: { $$ = 0; }
|
|
| '[' legacyTexUnitNum ']' { $$ = $2; }
|
|
;
|
|
|
|
texCoordUnitNum: INTEGER
|
|
{
|
|
if ((unsigned) $1 >= state->MaxTextureCoordUnits) {
|
|
yyerror(& @1, state, "invalid texture coordinate unit selector");
|
|
YYERROR;
|
|
}
|
|
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
texImageUnitNum: INTEGER
|
|
{
|
|
if ((unsigned) $1 >= state->MaxTextureImageUnits) {
|
|
yyerror(& @1, state, "invalid texture image unit selector");
|
|
YYERROR;
|
|
}
|
|
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
legacyTexUnitNum: INTEGER
|
|
{
|
|
if ((unsigned) $1 >= state->MaxTextureUnits) {
|
|
yyerror(& @1, state, "invalid texture unit selector");
|
|
YYERROR;
|
|
}
|
|
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
ALIAS_statement: ALIAS IDENTIFIER '=' USED_IDENTIFIER
|
|
{
|
|
struct asm_symbol *exist = (struct asm_symbol *)
|
|
_mesa_symbol_table_find_symbol(state->st, $2);
|
|
struct asm_symbol *target = (struct asm_symbol *)
|
|
_mesa_symbol_table_find_symbol(state->st, $4);
|
|
|
|
free($4);
|
|
|
|
if (exist != NULL) {
|
|
char m[1000];
|
|
snprintf(m, sizeof(m), "redeclared identifier: %s", $2);
|
|
free($2);
|
|
yyerror(& @2, state, m);
|
|
YYERROR;
|
|
} else if (target == NULL) {
|
|
free($2);
|
|
yyerror(& @4, state,
|
|
"undefined variable binding in ALIAS statement");
|
|
YYERROR;
|
|
} else {
|
|
_mesa_symbol_table_add_symbol(state->st, $2, target);
|
|
}
|
|
}
|
|
;
|
|
|
|
string: IDENTIFIER
|
|
| USED_IDENTIFIER
|
|
;
|
|
|
|
%%
|
|
|
|
void
|
|
asm_instruction_set_operands(struct asm_instruction *inst,
|
|
const struct prog_dst_register *dst,
|
|
const struct asm_src_register *src0,
|
|
const struct asm_src_register *src1,
|
|
const struct asm_src_register *src2)
|
|
{
|
|
/* In the core ARB extensions only the KIL instruction doesn't have a
|
|
* destination register.
|
|
*/
|
|
if (dst == NULL) {
|
|
init_dst_reg(& inst->Base.DstReg);
|
|
} else {
|
|
inst->Base.DstReg = *dst;
|
|
}
|
|
|
|
if (src0 != NULL) {
|
|
inst->Base.SrcReg[0] = src0->Base;
|
|
inst->SrcReg[0] = *src0;
|
|
} else {
|
|
init_src_reg(& inst->SrcReg[0]);
|
|
}
|
|
|
|
if (src1 != NULL) {
|
|
inst->Base.SrcReg[1] = src1->Base;
|
|
inst->SrcReg[1] = *src1;
|
|
} else {
|
|
init_src_reg(& inst->SrcReg[1]);
|
|
}
|
|
|
|
if (src2 != NULL) {
|
|
inst->Base.SrcReg[2] = src2->Base;
|
|
inst->SrcReg[2] = *src2;
|
|
} else {
|
|
init_src_reg(& inst->SrcReg[2]);
|
|
}
|
|
}
|
|
|
|
|
|
struct asm_instruction *
|
|
asm_instruction_ctor(enum prog_opcode op,
|
|
const struct prog_dst_register *dst,
|
|
const struct asm_src_register *src0,
|
|
const struct asm_src_register *src1,
|
|
const struct asm_src_register *src2)
|
|
{
|
|
struct asm_instruction *inst = calloc(1, sizeof(struct asm_instruction));
|
|
|
|
if (inst) {
|
|
_mesa_init_instructions(& inst->Base, 1);
|
|
inst->Base.Opcode = op;
|
|
|
|
asm_instruction_set_operands(inst, dst, src0, src1, src2);
|
|
}
|
|
|
|
return inst;
|
|
}
|
|
|
|
|
|
struct asm_instruction *
|
|
asm_instruction_copy_ctor(const struct prog_instruction *base,
|
|
const struct prog_dst_register *dst,
|
|
const struct asm_src_register *src0,
|
|
const struct asm_src_register *src1,
|
|
const struct asm_src_register *src2)
|
|
{
|
|
struct asm_instruction *inst = CALLOC_STRUCT(asm_instruction);
|
|
|
|
if (inst) {
|
|
_mesa_init_instructions(& inst->Base, 1);
|
|
inst->Base.Opcode = base->Opcode;
|
|
inst->Base.Saturate = base->Saturate;
|
|
|
|
asm_instruction_set_operands(inst, dst, src0, src1, src2);
|
|
}
|
|
|
|
return inst;
|
|
}
|
|
|
|
|
|
void
|
|
init_dst_reg(struct prog_dst_register *r)
|
|
{
|
|
memset(r, 0, sizeof(*r));
|
|
r->File = PROGRAM_UNDEFINED;
|
|
r->WriteMask = WRITEMASK_XYZW;
|
|
}
|
|
|
|
|
|
/** Like init_dst_reg() but set the File and Index fields. */
|
|
void
|
|
set_dst_reg(struct prog_dst_register *r, gl_register_file file, GLint index)
|
|
{
|
|
const GLint maxIndex = 1 << INST_INDEX_BITS;
|
|
const GLint minIndex = 0;
|
|
assert(index >= minIndex);
|
|
(void) minIndex;
|
|
assert(index <= maxIndex);
|
|
(void) maxIndex;
|
|
assert(file == PROGRAM_TEMPORARY ||
|
|
file == PROGRAM_ADDRESS ||
|
|
file == PROGRAM_OUTPUT);
|
|
memset(r, 0, sizeof(*r));
|
|
r->File = file;
|
|
r->Index = index;
|
|
r->WriteMask = WRITEMASK_XYZW;
|
|
}
|
|
|
|
|
|
void
|
|
init_src_reg(struct asm_src_register *r)
|
|
{
|
|
memset(r, 0, sizeof(*r));
|
|
r->Base.File = PROGRAM_UNDEFINED;
|
|
r->Base.Swizzle = SWIZZLE_NOOP;
|
|
r->Symbol = NULL;
|
|
}
|
|
|
|
|
|
/** Like init_src_reg() but set the File and Index fields.
|
|
* \return GL_TRUE if a valid src register, GL_FALSE otherwise
|
|
*/
|
|
void
|
|
set_src_reg(struct asm_src_register *r, gl_register_file file, GLint index)
|
|
{
|
|
set_src_reg_swz(r, file, index, SWIZZLE_XYZW);
|
|
}
|
|
|
|
|
|
void
|
|
set_src_reg_swz(struct asm_src_register *r, gl_register_file file, GLint index,
|
|
GLuint swizzle)
|
|
{
|
|
const GLint maxIndex = (1 << INST_INDEX_BITS) - 1;
|
|
const GLint minIndex = -(1 << INST_INDEX_BITS);
|
|
assert(file < PROGRAM_FILE_MAX);
|
|
assert(index >= minIndex);
|
|
(void) minIndex;
|
|
assert(index <= maxIndex);
|
|
(void) maxIndex;
|
|
memset(r, 0, sizeof(*r));
|
|
r->Base.File = file;
|
|
r->Base.Index = index;
|
|
r->Base.Swizzle = swizzle;
|
|
r->Symbol = NULL;
|
|
}
|
|
|
|
|
|
/**
|
|
* Validate the set of inputs used by a program
|
|
*
|
|
* Validates that legal sets of inputs are used by the program. In this case
|
|
* "used" included both reading the input or binding the input to a name using
|
|
* the \c ATTRIB command.
|
|
*
|
|
* \return
|
|
* \c TRUE if the combination of inputs used is valid, \c FALSE otherwise.
|
|
*/
|
|
int
|
|
validate_inputs(struct YYLTYPE *locp, struct asm_parser_state *state)
|
|
{
|
|
const GLbitfield64 inputs = state->prog->info.inputs_read | state->InputsBound;
|
|
GLbitfield ff_inputs = 0;
|
|
|
|
/* Since Mesa internal attribute indices are different from
|
|
* how NV_vertex_program defines attribute aliasing, we have to construct
|
|
* a separate usage mask based on how the aliasing is defined.
|
|
*
|
|
* Note that attribute aliasing is optional if NV_vertex_program is
|
|
* unsupported.
|
|
*/
|
|
if (inputs & VERT_BIT_POS)
|
|
ff_inputs |= 1 << 0;
|
|
if (inputs & VERT_BIT_NORMAL)
|
|
ff_inputs |= 1 << 2;
|
|
if (inputs & VERT_BIT_COLOR0)
|
|
ff_inputs |= 1 << 3;
|
|
if (inputs & VERT_BIT_COLOR1)
|
|
ff_inputs |= 1 << 4;
|
|
if (inputs & VERT_BIT_FOG)
|
|
ff_inputs |= 1 << 5;
|
|
|
|
ff_inputs |= ((inputs & VERT_BIT_TEX_ALL) >> VERT_ATTRIB_TEX0) << 8;
|
|
|
|
if ((ff_inputs & (inputs >> VERT_ATTRIB_GENERIC0)) != 0) {
|
|
yyerror(locp, state, "illegal use of generic attribute and name attribute");
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
struct asm_symbol *
|
|
declare_variable(struct asm_parser_state *state, char *name, enum asm_type t,
|
|
struct YYLTYPE *locp)
|
|
{
|
|
struct asm_symbol *s = NULL;
|
|
struct asm_symbol *exist = (struct asm_symbol *)
|
|
_mesa_symbol_table_find_symbol(state->st, name);
|
|
|
|
|
|
if (exist != NULL) {
|
|
yyerror(locp, state, "redeclared identifier");
|
|
} else {
|
|
s = calloc(1, sizeof(struct asm_symbol));
|
|
s->name = name;
|
|
s->type = t;
|
|
|
|
switch (t) {
|
|
case at_temp:
|
|
if (state->prog->arb.NumTemporaries >= state->limits->MaxTemps) {
|
|
yyerror(locp, state, "too many temporaries declared");
|
|
free(s);
|
|
return NULL;
|
|
}
|
|
|
|
s->temp_binding = state->prog->arb.NumTemporaries;
|
|
state->prog->arb.NumTemporaries++;
|
|
break;
|
|
|
|
case at_address:
|
|
if (state->prog->arb.NumAddressRegs >=
|
|
state->limits->MaxAddressRegs) {
|
|
yyerror(locp, state, "too many address registers declared");
|
|
free(s);
|
|
return NULL;
|
|
}
|
|
|
|
/* FINISHME: Add support for multiple address registers.
|
|
*/
|
|
state->prog->arb.NumAddressRegs++;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
_mesa_symbol_table_add_symbol(state->st, s->name, s);
|
|
s->next = state->sym;
|
|
state->sym = s;
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
|
|
int add_state_reference(struct gl_program_parameter_list *param_list,
|
|
const gl_state_index16 tokens[STATE_LENGTH])
|
|
{
|
|
const GLuint size = 4; /* XXX fix */
|
|
char *name;
|
|
GLint index;
|
|
|
|
name = _mesa_program_state_string(tokens);
|
|
index = _mesa_add_parameter(param_list, PROGRAM_STATE_VAR, name,
|
|
size, GL_NONE, NULL, tokens, true);
|
|
param_list->StateFlags |= _mesa_program_state_flags(tokens);
|
|
|
|
/* free name string here since we duplicated it in add_parameter() */
|
|
free(name);
|
|
|
|
return index;
|
|
}
|
|
|
|
|
|
int
|
|
initialize_symbol_from_state(struct gl_program *prog,
|
|
struct asm_symbol *param_var,
|
|
const gl_state_index16 tokens[STATE_LENGTH])
|
|
{
|
|
int idx = -1;
|
|
gl_state_index16 state_tokens[STATE_LENGTH];
|
|
|
|
|
|
memcpy(state_tokens, tokens, sizeof(state_tokens));
|
|
|
|
param_var->type = at_param;
|
|
param_var->param_binding_type = PROGRAM_STATE_VAR;
|
|
|
|
/* If we are adding a STATE_MATRIX that has multiple rows, we need to
|
|
* unroll it and call add_state_reference() for each row
|
|
*/
|
|
if (state_tokens[0] >= STATE_MODELVIEW_MATRIX &&
|
|
state_tokens[0] <= STATE_PROGRAM_MATRIX_INVTRANS
|
|
&& (state_tokens[2] != state_tokens[3])) {
|
|
int row;
|
|
const int first_row = state_tokens[2];
|
|
const int last_row = state_tokens[3];
|
|
|
|
for (row = first_row; row <= last_row; row++) {
|
|
state_tokens[2] = state_tokens[3] = row;
|
|
|
|
idx = add_state_reference(prog->Parameters, state_tokens);
|
|
if (param_var->param_binding_begin == ~0U) {
|
|
param_var->param_binding_begin = idx;
|
|
param_var->param_binding_swizzle = SWIZZLE_XYZW;
|
|
}
|
|
|
|
param_var->param_binding_length++;
|
|
}
|
|
}
|
|
else {
|
|
idx = add_state_reference(prog->Parameters, state_tokens);
|
|
if (param_var->param_binding_begin == ~0U) {
|
|
param_var->param_binding_begin = idx;
|
|
param_var->param_binding_swizzle = SWIZZLE_XYZW;
|
|
}
|
|
param_var->param_binding_length++;
|
|
}
|
|
|
|
return idx;
|
|
}
|
|
|
|
|
|
int
|
|
initialize_symbol_from_param(struct gl_program *prog,
|
|
struct asm_symbol *param_var,
|
|
const gl_state_index16 tokens[STATE_LENGTH])
|
|
{
|
|
int idx = -1;
|
|
gl_state_index16 state_tokens[STATE_LENGTH];
|
|
|
|
|
|
memcpy(state_tokens, tokens, sizeof(state_tokens));
|
|
|
|
assert(state_tokens[0] == STATE_VERTEX_PROGRAM_ENV ||
|
|
state_tokens[0] == STATE_VERTEX_PROGRAM_LOCAL ||
|
|
state_tokens[0] == STATE_FRAGMENT_PROGRAM_ENV ||
|
|
state_tokens[0] == STATE_FRAGMENT_PROGRAM_LOCAL);
|
|
|
|
/*
|
|
* The param type is STATE_VAR. The program parameter entry will
|
|
* effectively be a pointer into the LOCAL or ENV parameter array.
|
|
*/
|
|
param_var->type = at_param;
|
|
param_var->param_binding_type = PROGRAM_STATE_VAR;
|
|
|
|
/* If we are adding a STATE_ENV or STATE_LOCAL that has multiple elements,
|
|
* we need to unroll it and call add_state_reference() for each row
|
|
*/
|
|
if (state_tokens[1] != state_tokens[2]) {
|
|
int row;
|
|
const int first_row = state_tokens[1];
|
|
const int last_row = state_tokens[2];
|
|
|
|
for (row = first_row; row <= last_row; row++) {
|
|
state_tokens[1] = state_tokens[2] = row;
|
|
|
|
idx = add_state_reference(prog->Parameters, state_tokens);
|
|
if (param_var->param_binding_begin == ~0U) {
|
|
param_var->param_binding_begin = idx;
|
|
param_var->param_binding_swizzle = SWIZZLE_XYZW;
|
|
}
|
|
param_var->param_binding_length++;
|
|
}
|
|
}
|
|
else {
|
|
idx = add_state_reference(prog->Parameters, state_tokens);
|
|
if (param_var->param_binding_begin == ~0U) {
|
|
param_var->param_binding_begin = idx;
|
|
param_var->param_binding_swizzle = SWIZZLE_XYZW;
|
|
}
|
|
param_var->param_binding_length++;
|
|
}
|
|
|
|
return idx;
|
|
}
|
|
|
|
|
|
/**
|
|
* Put a float/vector constant/literal into the parameter list.
|
|
* \param param_var returns info about the parameter/constant's location,
|
|
* binding, type, etc.
|
|
* \param vec the vector/constant to add
|
|
* \param allowSwizzle if true, try to consolidate constants which only differ
|
|
* by a swizzle. We don't want to do this when building
|
|
* arrays of constants that may be indexed indirectly.
|
|
* \return index of the constant in the parameter list.
|
|
*/
|
|
int
|
|
initialize_symbol_from_const(struct gl_program *prog,
|
|
struct asm_symbol *param_var,
|
|
const struct asm_vector *vec,
|
|
GLboolean allowSwizzle)
|
|
{
|
|
unsigned swizzle;
|
|
const int idx = _mesa_add_unnamed_constant(prog->Parameters,
|
|
vec->data, vec->count,
|
|
allowSwizzle ? &swizzle : NULL);
|
|
|
|
param_var->type = at_param;
|
|
param_var->param_binding_type = PROGRAM_CONSTANT;
|
|
|
|
if (param_var->param_binding_begin == ~0U) {
|
|
param_var->param_binding_begin = idx;
|
|
param_var->param_binding_swizzle = allowSwizzle ? swizzle : SWIZZLE_XYZW;
|
|
}
|
|
param_var->param_binding_length++;
|
|
|
|
return idx;
|
|
}
|
|
|
|
|
|
char *
|
|
make_error_string(const char *fmt, ...)
|
|
{
|
|
int length;
|
|
char *str;
|
|
va_list args;
|
|
|
|
|
|
/* Call vsnprintf once to determine how large the final string is. Call it
|
|
* again to do the actual formatting. from the vsnprintf manual page:
|
|
*
|
|
* Upon successful return, these functions return the number of
|
|
* characters printed (not including the trailing '\0' used to end
|
|
* output to strings).
|
|
*/
|
|
va_start(args, fmt);
|
|
length = 1 + vsnprintf(NULL, 0, fmt, args);
|
|
va_end(args);
|
|
|
|
str = malloc(length);
|
|
if (str) {
|
|
va_start(args, fmt);
|
|
vsnprintf(str, length, fmt, args);
|
|
va_end(args);
|
|
}
|
|
|
|
return str;
|
|
}
|
|
|
|
|
|
void
|
|
yyerror(YYLTYPE *locp, struct asm_parser_state *state, const char *s)
|
|
{
|
|
char *err_str;
|
|
|
|
|
|
err_str = make_error_string("glProgramStringARB(%s)\n", s);
|
|
if (err_str) {
|
|
_mesa_error(state->ctx, GL_INVALID_OPERATION, "%s", err_str);
|
|
free(err_str);
|
|
}
|
|
|
|
err_str = make_error_string("line %u, char %u: error: %s\n",
|
|
locp->first_line, locp->first_column, s);
|
|
_mesa_set_program_error(state->ctx, locp->position, err_str);
|
|
|
|
if (err_str) {
|
|
free(err_str);
|
|
}
|
|
}
|
|
|
|
|
|
GLboolean
|
|
_mesa_parse_arb_program(struct gl_context *ctx, GLenum target, const GLubyte *str,
|
|
GLsizei len, struct asm_parser_state *state)
|
|
{
|
|
struct asm_instruction *inst;
|
|
unsigned i;
|
|
GLubyte *strz;
|
|
GLboolean result = GL_FALSE;
|
|
void *temp;
|
|
struct asm_symbol *sym;
|
|
|
|
state->ctx = ctx;
|
|
state->prog->Target = target;
|
|
state->prog->Parameters = _mesa_new_parameter_list();
|
|
|
|
/* Make a copy of the program string and force it to be newline and NUL-terminated.
|
|
*/
|
|
strz = (GLubyte *) ralloc_size(state->mem_ctx, len + 2);
|
|
if (strz == NULL) {
|
|
if (state->prog->Parameters) {
|
|
_mesa_free_parameter_list(state->prog->Parameters);
|
|
state->prog->Parameters = NULL;
|
|
}
|
|
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glProgramStringARB");
|
|
return GL_FALSE;
|
|
}
|
|
memcpy (strz, str, len);
|
|
strz[len] = '\n';
|
|
strz[len + 1] = '\0';
|
|
|
|
state->prog->String = strz;
|
|
|
|
state->st = _mesa_symbol_table_ctor();
|
|
|
|
state->limits = (target == GL_VERTEX_PROGRAM_ARB)
|
|
? & ctx->Const.Program[MESA_SHADER_VERTEX]
|
|
: & ctx->Const.Program[MESA_SHADER_FRAGMENT];
|
|
|
|
state->MaxTextureImageUnits = ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits;
|
|
state->MaxTextureCoordUnits = ctx->Const.MaxTextureCoordUnits;
|
|
state->MaxTextureUnits = ctx->Const.MaxTextureUnits;
|
|
state->MaxClipPlanes = ctx->Const.MaxClipPlanes;
|
|
state->MaxLights = ctx->Const.MaxLights;
|
|
state->MaxProgramMatrices = ctx->Const.MaxProgramMatrices;
|
|
state->MaxDrawBuffers = ctx->Const.MaxDrawBuffers;
|
|
|
|
state->state_param_enum_env = (target == GL_VERTEX_PROGRAM_ARB)
|
|
? STATE_VERTEX_PROGRAM_ENV : STATE_FRAGMENT_PROGRAM_ENV;
|
|
state->state_param_enum_local = (target == GL_VERTEX_PROGRAM_ARB)
|
|
? STATE_VERTEX_PROGRAM_LOCAL : STATE_FRAGMENT_PROGRAM_LOCAL;
|
|
|
|
_mesa_set_program_error(ctx, -1, NULL);
|
|
|
|
_mesa_program_lexer_ctor(& state->scanner, state, (const char *) strz, len + 1);
|
|
yyparse(state);
|
|
_mesa_program_lexer_dtor(state->scanner);
|
|
|
|
/* Remove the newline we added so reflection returns the original string */
|
|
strz[len] = '\0';
|
|
|
|
if (ctx->Program.ErrorPos != -1) {
|
|
goto error;
|
|
}
|
|
|
|
if (! _mesa_layout_parameters(state)) {
|
|
struct YYLTYPE loc;
|
|
|
|
loc.first_line = 0;
|
|
loc.first_column = 0;
|
|
loc.position = len;
|
|
|
|
yyerror(& loc, state, "invalid PARAM usage");
|
|
goto error;
|
|
}
|
|
|
|
|
|
|
|
/* Add one instruction to store the "END" instruction.
|
|
*/
|
|
state->prog->arb.Instructions =
|
|
rzalloc_array(state->mem_ctx, struct prog_instruction,
|
|
state->prog->arb.NumInstructions + 1);
|
|
|
|
if (state->prog->arb.Instructions == NULL) {
|
|
goto error;
|
|
}
|
|
|
|
inst = state->inst_head;
|
|
for (i = 0; i < state->prog->arb.NumInstructions; i++) {
|
|
struct asm_instruction *const temp = inst->next;
|
|
|
|
state->prog->arb.Instructions[i] = inst->Base;
|
|
inst = temp;
|
|
}
|
|
|
|
/* Finally, tag on an OPCODE_END instruction */
|
|
{
|
|
const GLuint numInst = state->prog->arb.NumInstructions;
|
|
_mesa_init_instructions(state->prog->arb.Instructions + numInst, 1);
|
|
state->prog->arb.Instructions[numInst].Opcode = OPCODE_END;
|
|
}
|
|
state->prog->arb.NumInstructions++;
|
|
|
|
state->prog->arb.NumParameters = state->prog->Parameters->NumParameters;
|
|
state->prog->arb.NumAttributes =
|
|
util_bitcount64(state->prog->info.inputs_read);
|
|
|
|
/*
|
|
* Initialize native counts to logical counts. The device driver may
|
|
* change them if program is translated into a hardware program.
|
|
*/
|
|
state->prog->arb.NumNativeInstructions = state->prog->arb.NumInstructions;
|
|
state->prog->arb.NumNativeTemporaries = state->prog->arb.NumTemporaries;
|
|
state->prog->arb.NumNativeParameters = state->prog->arb.NumParameters;
|
|
state->prog->arb.NumNativeAttributes = state->prog->arb.NumAttributes;
|
|
state->prog->arb.NumNativeAddressRegs = state->prog->arb.NumAddressRegs;
|
|
|
|
result = GL_TRUE;
|
|
|
|
error:
|
|
for (inst = state->inst_head; inst != NULL; inst = temp) {
|
|
temp = inst->next;
|
|
free(inst);
|
|
}
|
|
|
|
state->inst_head = NULL;
|
|
state->inst_tail = NULL;
|
|
|
|
for (sym = state->sym; sym != NULL; sym = temp) {
|
|
temp = sym->next;
|
|
|
|
free((void *) sym->name);
|
|
free(sym);
|
|
}
|
|
state->sym = NULL;
|
|
|
|
_mesa_symbol_table_dtor(state->st);
|
|
state->st = NULL;
|
|
|
|
if (result != GL_TRUE) {
|
|
if (state->prog->Parameters) {
|
|
_mesa_free_parameter_list(state->prog->Parameters);
|
|
state->prog->Parameters = NULL;
|
|
}
|
|
ralloc_free(state->prog->String);
|
|
state->prog->String = NULL;
|
|
}
|
|
|
|
return result;
|
|
}
|