diff options
Diffstat (limited to 'src/mesa/shader/program_parse.y')
| -rw-r--r-- | src/mesa/shader/program_parse.y | 2767 |
1 files changed, 0 insertions, 2767 deletions
diff --git a/src/mesa/shader/program_parse.y b/src/mesa/shader/program_parse.y deleted file mode 100644 index a2f34b863b5..00000000000 --- a/src/mesa/shader/program_parse.y +++ /dev/null @@ -1,2767 +0,0 @@ -%{ -/* - * Copyright © 2009 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "main/mtypes.h" -#include "main/imports.h" -#include "shader/program.h" -#include "shader/prog_parameter.h" -#include "shader/prog_parameter_layout.h" -#include "shader/prog_statevars.h" -#include "shader/prog_instruction.h" - -#include "shader/symbol_table.h" -#include "shader/program_parser.h" - -extern void *yy_scan_string(char *); -extern void yy_delete_buffer(void *); - -static struct asm_symbol *declare_variable(struct asm_parser_state *state, - char *name, enum asm_type t, struct YYLTYPE *locp); - -static int add_state_reference(struct gl_program_parameter_list *param_list, - const gl_state_index tokens[STATE_LENGTH]); - -static int initialize_symbol_from_state(struct gl_program *prog, - struct asm_symbol *param_var, const gl_state_index tokens[STATE_LENGTH]); - -static int initialize_symbol_from_param(struct gl_program *prog, - struct asm_symbol *param_var, const gl_state_index tokens[STATE_LENGTH]); - -static int initialize_symbol_from_const(struct gl_program *prog, - struct asm_symbol *param_var, const struct asm_vector *vec, - GLboolean allowSwizzle); - -static int yyparse(struct asm_parser_state *state); - -static char *make_error_string(const char *fmt, ...); - -static void yyerror(struct YYLTYPE *locp, struct asm_parser_state *state, - const char *s); - -static int validate_inputs(struct YYLTYPE *locp, - struct asm_parser_state *state); - -static void init_dst_reg(struct prog_dst_register *r); - -static void set_dst_reg(struct prog_dst_register *r, - gl_register_file file, GLint index); - -static void init_src_reg(struct asm_src_register *r); - -static void set_src_reg(struct asm_src_register *r, - gl_register_file file, GLint index); - -static void set_src_reg_swz(struct asm_src_register *r, - gl_register_file file, GLint index, GLuint swizzle); - -static 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); - -static struct asm_instruction *asm_instruction_ctor(gl_inst_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); - -static 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); - -#ifndef FALSE -#define FALSE 0 -#define TRUE (!FALSE) -#endif - -#define YYLLOC_DEFAULT(Current, Rhs, N) \ - do { \ - if (YYID(N)) { \ - (Current).first_line = YYRHSLOC(Rhs, 1).first_line; \ - (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \ - (Current).position = YYRHSLOC(Rhs, 1).position; \ - (Current).last_line = YYRHSLOC(Rhs, N).last_line; \ - (Current).last_column = YYRHSLOC(Rhs, N).last_column; \ - } else { \ - (Current).first_line = YYRHSLOC(Rhs, 0).last_line; \ - (Current).last_line = (Current).first_line; \ - (Current).first_column = YYRHSLOC(Rhs, 0).last_column; \ - (Current).last_column = (Current).first_column; \ - (Current).position = YYRHSLOC(Rhs, 0).position \ - + (Current).first_column; \ - } \ - } while(YYID(0)) - -#define YYLEX_PARAM state->scanner -%} - -%pure-parser -%locations -%parse-param { struct asm_parser_state *state } -%error-verbose -%lex-param { void *scanner } - -%union { - struct asm_instruction *inst; - struct asm_symbol *sym; - struct asm_symbol temp_sym; - struct asm_swizzle_mask swiz_mask; - struct asm_src_register src_reg; - struct prog_dst_register dst_reg; - struct prog_instruction temp_inst; - char *string; - unsigned result; - unsigned attrib; - int integer; - float real; - gl_state_index state[STATE_LENGTH]; - int negate; - struct asm_vector vector; - gl_inst_opcode opcode; - - struct { - unsigned swz; - unsigned rgba_valid:1; - unsigned xyzw_valid:1; - unsigned negate:1; - } ext_swizzle; -} - -%token ARBvp_10 ARBfp_10 - -/* Tokens for assembler pseudo-ops */ -%token <integer> ADDRESS -%token ALIAS ATTRIB -%token OPTION OUTPUT -%token PARAM -%token <integer> TEMP -%token END - - /* Tokens for instructions */ -%token <temp_inst> BIN_OP BINSC_OP SAMPLE_OP SCALAR_OP TRI_OP VECTOR_OP -%token <temp_inst> ARL KIL SWZ TXD_OP - -%token <integer> INTEGER -%token <real> REAL - -%token AMBIENT ATTENUATION -%token BACK -%token CLIP COLOR -%token DEPTH DIFFUSE DIRECTION -%token EMISSION ENV EYE -%token FOG FOGCOORD FRAGMENT FRONT -%token HALF -%token INVERSE INVTRANS -%token LIGHT LIGHTMODEL LIGHTPROD LOCAL -%token MATERIAL MAT_PROGRAM MATRIX MATRIXINDEX MODELVIEW MVP -%token NORMAL -%token OBJECT -%token PALETTE PARAMS PLANE POINT_TOK POINTSIZE POSITION PRIMARY PROGRAM PROJECTION -%token RANGE RESULT ROW -%token SCENECOLOR SECONDARY SHININESS SIZE_TOK SPECULAR SPOT STATE -%token TEXCOORD TEXENV TEXGEN TEXGEN_Q TEXGEN_R TEXGEN_S TEXGEN_T TEXTURE TRANSPOSE -%token TEXTURE_UNIT TEX_1D TEX_2D TEX_3D TEX_CUBE TEX_RECT -%token TEX_SHADOW1D TEX_SHADOW2D TEX_SHADOWRECT -%token TEX_ARRAY1D TEX_ARRAY2D TEX_ARRAYSHADOW1D TEX_ARRAYSHADOW2D -%token VERTEX VTXATTRIB -%token WEIGHT - -%token <string> IDENTIFIER USED_IDENTIFIER -%type <string> string -%token <swiz_mask> MASK4 MASK3 MASK2 MASK1 SWIZZLE -%token DOT_DOT -%token DOT - -%type <inst> instruction ALU_instruction TexInstruction -%type <inst> ARL_instruction VECTORop_instruction -%type <inst> SCALARop_instruction BINSCop_instruction BINop_instruction -%type <inst> TRIop_instruction TXD_instruction SWZ_instruction SAMPLE_instruction -%type <inst> KIL_instruction - -%type <dst_reg> dstReg maskedDstReg maskedAddrReg -%type <src_reg> srcReg scalarUse scalarSrcReg swizzleSrcReg -%type <swiz_mask> scalarSuffix swizzleSuffix extendedSwizzle -%type <ext_swizzle> extSwizComp extSwizSel -%type <swiz_mask> optionalMask - -%type <sym> progParamArray -%type <integer> addrRegRelOffset addrRegPosOffset addrRegNegOffset -%type <src_reg> progParamArrayMem progParamArrayAbs progParamArrayRel -%type <sym> addrReg -%type <swiz_mask> addrComponent addrWriteMask - -%type <dst_reg> ccMaskRule ccTest ccMaskRule2 ccTest2 optionalCcMask - -%type <result> resultBinding resultColBinding -%type <integer> optFaceType optColorType -%type <integer> optResultFaceType optResultColorType - -%type <integer> optTexImageUnitNum texImageUnitNum -%type <integer> optTexCoordUnitNum texCoordUnitNum -%type <integer> optLegacyTexUnitNum legacyTexUnitNum -%type <integer> texImageUnit texTarget -%type <integer> vtxAttribNum - -%type <attrib> attribBinding vtxAttribItem fragAttribItem - -%type <temp_sym> paramSingleInit paramSingleItemDecl -%type <integer> optArraySize - -%type <state> stateSingleItem stateMultipleItem -%type <state> stateMaterialItem -%type <state> stateLightItem stateLightModelItem stateLightProdItem -%type <state> stateTexGenItem stateFogItem stateClipPlaneItem statePointItem -%type <state> stateMatrixItem stateMatrixRow stateMatrixRows -%type <state> stateTexEnvItem stateDepthItem - -%type <state> stateLModProperty -%type <state> stateMatrixName optMatrixRows - -%type <integer> stateMatProperty -%type <integer> stateLightProperty stateSpotProperty -%type <integer> stateLightNumber stateLProdProperty -%type <integer> stateTexGenType stateTexGenCoord -%type <integer> stateTexEnvProperty -%type <integer> stateFogProperty -%type <integer> stateClipPlaneNum -%type <integer> statePointProperty - -%type <integer> stateOptMatModifier stateMatModifier stateMatrixRowNum -%type <integer> stateOptModMatNum stateModMatNum statePaletteMatNum -%type <integer> stateProgramMatNum - -%type <integer> ambDiffSpecProperty - -%type <state> programSingleItem progEnvParam progLocalParam -%type <state> programMultipleItem progEnvParams progLocalParams - -%type <temp_sym> paramMultipleInit paramMultInitList paramMultipleItem -%type <temp_sym> paramSingleItemUse - -%type <integer> progEnvParamNum progLocalParamNum -%type <state> progEnvParamNums progLocalParamNums - -%type <vector> paramConstDecl paramConstUse -%type <vector> paramConstScalarDecl paramConstScalarUse paramConstVector -%type <real> signedFloatConstant -%type <negate> optionalSign - -%{ -extern int yylex(YYSTYPE *yylval_param, YYLTYPE *yylloc_param, - void *yyscanner); -%} - -%% - -program: language optionSequence statementSequence END - ; - -language: ARBvp_10 - { - if (state->prog->Target != GL_VERTEX_PROGRAM_ARB) { - yyerror(& @1, state, "invalid fragment program header"); - - } - state->mode = ARB_vertex; - } - | ARBfp_10 - { - if (state->prog->Target != GL_FRAGMENT_PROGRAM_ARB) { - yyerror(& @1, state, "invalid vertex program header"); - } - state->mode = ARB_fragment; - - state->option.TexRect = - (state->ctx->Extensions.NV_texture_rectangle != GL_FALSE); - } - ; - -optionSequence: optionSequence option - | - ; - -option: OPTION string ';' - { - int valid = 0; - - if (state->mode == ARB_vertex) { - valid = _mesa_ARBvp_parse_option(state, $2); - } else if (state->mode == ARB_fragment) { - valid = _mesa_ARBfp_parse_option(state, $2); - } - - - free($2); - - if (!valid) { - const char *const err_str = (state->mode == ARB_vertex) - ? "invalid ARB vertex program option" - : "invalid ARB fragment program option"; - - yyerror(& @2, state, err_str); - YYERROR; - } - } - ; - -statementSequence: statementSequence statement - | - ; - -statement: instruction ';' - { - if ($1 != NULL) { - if (state->inst_tail == NULL) { - state->inst_head = $1; - } else { - state->inst_tail->next = $1; - } - - state->inst_tail = $1; - $1->next = NULL; - - state->prog->NumInstructions++; - } - } - | namingStatement ';' - ; - -instruction: ALU_instruction - { - $$ = $1; - state->prog->NumAluInstructions++; - } - | TexInstruction - { - $$ = $1; - state->prog->NumTexInstructions++; - } - ; - -ALU_instruction: ARL_instruction - | VECTORop_instruction - | SCALARop_instruction - | BINSCop_instruction - | BINop_instruction - | TRIop_instruction - | SWZ_instruction - ; - -TexInstruction: SAMPLE_instruction - | KIL_instruction - | TXD_instruction - ; - -ARL_instruction: ARL maskedAddrReg ',' scalarSrcReg - { - $$ = asm_instruction_ctor(OPCODE_ARL, & $2, & $4, NULL, NULL); - } - ; - -VECTORop_instruction: VECTOR_OP maskedDstReg ',' swizzleSrcReg - { - $$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL); - } - ; - -SCALARop_instruction: SCALAR_OP maskedDstReg ',' scalarSrcReg - { - $$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL); - } - ; - -BINSCop_instruction: BINSC_OP maskedDstReg ',' scalarSrcReg ',' scalarSrcReg - { - $$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, NULL); - } - ; - - -BINop_instruction: BIN_OP maskedDstReg ',' swizzleSrcReg ',' swizzleSrcReg - { - $$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, NULL); - } - ; - -TRIop_instruction: TRI_OP maskedDstReg ',' - swizzleSrcReg ',' swizzleSrcReg ',' swizzleSrcReg - { - $$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, & $8); - } - ; - -SAMPLE_instruction: SAMPLE_OP maskedDstReg ',' swizzleSrcReg ',' texImageUnit ',' texTarget - { - $$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL); - if ($$ != NULL) { - const GLbitfield tex_mask = (1U << $6); - GLbitfield shadow_tex = 0; - GLbitfield target_mask = 0; - - - $$->Base.TexSrcUnit = $6; - - if ($8 < 0) { - shadow_tex = tex_mask; - - $$->Base.TexSrcTarget = -$8; - $$->Base.TexShadow = 1; - } else { - $$->Base.TexSrcTarget = $8; - } - - target_mask = (1U << $$->Base.TexSrcTarget); - - /* If this texture unit was previously accessed and that access - * had a different texture target, generate an error. - * - * If this texture unit was previously accessed and that access - * had a different shadow mode, generate an error. - */ - if ((state->prog->TexturesUsed[$6] != 0) - && ((state->prog->TexturesUsed[$6] != target_mask) - || ((state->prog->ShadowSamplers & tex_mask) - != shadow_tex))) { - yyerror(& @8, state, - "multiple targets used on one texture image unit"); - YYERROR; - } - - - state->prog->TexturesUsed[$6] |= target_mask; - state->prog->ShadowSamplers |= shadow_tex; - } - } - ; - -KIL_instruction: KIL swizzleSrcReg - { - $$ = asm_instruction_ctor(OPCODE_KIL, NULL, & $2, NULL, NULL); - state->fragment.UsesKill = 1; - } - | KIL ccTest - { - $$ = asm_instruction_ctor(OPCODE_KIL_NV, NULL, NULL, NULL, NULL); - $$->Base.DstReg.CondMask = $2.CondMask; - $$->Base.DstReg.CondSwizzle = $2.CondSwizzle; - $$->Base.DstReg.CondSrc = $2.CondSrc; - state->fragment.UsesKill = 1; - } - ; - -TXD_instruction: TXD_OP maskedDstReg ',' swizzleSrcReg ',' swizzleSrcReg ',' swizzleSrcReg ',' texImageUnit ',' texTarget - { - $$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, & $8); - if ($$ != NULL) { - const GLbitfield tex_mask = (1U << $10); - GLbitfield shadow_tex = 0; - GLbitfield target_mask = 0; - - - $$->Base.TexSrcUnit = $10; - - if ($12 < 0) { - shadow_tex = tex_mask; - - $$->Base.TexSrcTarget = -$12; - $$->Base.TexShadow = 1; - } else { - $$->Base.TexSrcTarget = $12; - } - - target_mask = (1U << $$->Base.TexSrcTarget); - - /* If this texture unit was previously accessed and that access - * had a different texture target, generate an error. - * - * If this texture unit was previously accessed and that access - * had a different shadow mode, generate an error. - */ - if ((state->prog->TexturesUsed[$10] != 0) - && ((state->prog->TexturesUsed[$10] != target_mask) - || ((state->prog->ShadowSamplers & tex_mask) - != shadow_tex))) { - yyerror(& @12, state, - "multiple targets used on one texture image unit"); - YYERROR; - } - - - state->prog->TexturesUsed[$10] |= target_mask; - state->prog->ShadowSamplers |= shadow_tex; - } - } - ; - -texImageUnit: TEXTURE_UNIT optTexImageUnitNum - { - $$ = $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; - } - } - | optionalSign '|' scalarUse '|' - { - $$ = $3; - - if (!state->option.NV_fragment) { - yyerror(& @2, state, "unexpected character '|'"); - YYERROR; - } - - if ($1) { - $$.Base.Negate = ~$$.Base.Negate; - } - - $$.Base.Abs = 1; - } - ; - -scalarUse: srcReg scalarSuffix - { - $$ = $1; - - $$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle, - $2.swizzle); - } - | paramConstScalarUse - { - struct asm_symbol temp_sym; - - if (!state->option.NV_fragment) { - yyerror(& @1, state, "expected scalar suffix"); - YYERROR; - } - - memset(& temp_sym, 0, sizeof(temp_sym)); - temp_sym.param_binding_begin = ~0; - initialize_symbol_from_const(state->prog, & temp_sym, & $1, GL_TRUE); - - set_src_reg_swz(& $$, PROGRAM_CONSTANT, - temp_sym.param_binding_begin, - temp_sym.param_binding_swizzle); - } - ; - -swizzleSrcReg: optionalSign srcReg swizzleSuffix - { - $$ = $2; - - if ($1) { - $$.Base.Negate = ~$$.Base.Negate; - } - - $$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle, - $3.swizzle); - } - | optionalSign '|' srcReg swizzleSuffix '|' - { - $$ = $3; - - if (!state->option.NV_fragment) { - yyerror(& @2, state, "unexpected character '|'"); - YYERROR; - } - - if ($1) { - $$.Base.Negate = ~$$.Base.Negate; - } - - $$.Base.Abs = 1; - $$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle, - $4.swizzle); - } - - ; - -maskedDstReg: dstReg optionalMask optionalCcMask - { - $$ = $1; - $$.WriteMask = $2.mask; - $$.CondMask = $3.CondMask; - $$.CondSwizzle = $3.CondSwizzle; - $$.CondSrc = $3.CondSrc; - - 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 == VERT_RESULT_HPOS)) { - yyerror(& @1, state, "position-invariant programs cannot " - "write position"); - YYERROR; - } - - state->prog->OutputsWritten |= 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; - - /* 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); - - 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, 0, $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->InputsRead |= (1U << $$.Base.Index); - - if (!validate_inputs(& @1, state)) { - YYERROR; - } - break; - - default: - YYERROR; - break; - } - } - | attribBinding - { - set_src_reg(& $$, PROGRAM_INPUT, $1); - state->prog->InputsRead |= (1U << $$.Base.Index); - - if (!validate_inputs(& @1, state)) { - YYERROR; - } - } - | progParamArray '[' progParamArrayMem ']' - { - if (! $3.Base.RelAddr - && ((unsigned) $3.Base.Index >= $1->param_binding_length)) { - yyerror(& @3, state, "out of bounds array access"); - YYERROR; - } - - init_src_reg(& $$); - $$.Base.File = $1->param_binding_type; - - if ($3.Base.RelAddr) { - $1->param_accessed_indirectly = 1; - - $$.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(& $$, PROGRAM_OUTPUT, $1); - } - | USED_IDENTIFIER /* temporaryReg | vertexResultReg */ - { - struct asm_symbol *const s = (struct asm_symbol *) - _mesa_symbol_table_find_symbol(state->st, 0, $1); - - free($1); - - if (s == NULL) { - yyerror(& @1, state, "invalid operand variable"); - YYERROR; - } else if ((s->type != at_output) && (s->type != at_temp)) { - yyerror(& @1, state, "invalid operand variable"); - YYERROR; - } - - switch (s->type) { - case at_temp: - set_dst_reg(& $$, 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, 0, $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 { $$ = -$2; } - ; - -addrRegPosOffset: INTEGER - { - if (($1 < 0) || ($1 > 63)) { - char s[100]; - _mesa_snprintf(s, sizeof(s), - "relative address offset too large (%d)", $1); - yyerror(& @1, state, s); - YYERROR; - } else { - $$ = $1; - } - } - ; - -addrRegNegOffset: INTEGER - { - if (($1 < 0) || ($1 > 64)) { - char s[100]; - _mesa_snprintf(s, sizeof(s), - "relative address offset too large (%d)", $1); - yyerror(& @1, state, s); - YYERROR; - } else { - $$ = $1; - } - } - ; - -addrReg: USED_IDENTIFIER - { - struct asm_symbol *const s = (struct asm_symbol *) - _mesa_symbol_table_find_symbol(state->st, 0, $1); - - free($1); - - if (s == NULL) { - yyerror(& @1, state, "invalid array member"); - YYERROR; - } else if (s->type != at_address) { - yyerror(& @1, state, - "invalid variable for indexed array access"); - YYERROR; - } else { - $$ = 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; } - ; - -optionalCcMask: '(' ccTest ')' - { - $$ = $2; - } - | '(' ccTest2 ')' - { - $$ = $2; - } - | - { - $$.CondMask = COND_TR; - $$.CondSwizzle = SWIZZLE_NOOP; - $$.CondSrc = 0; - } - ; - -ccTest: ccMaskRule swizzleSuffix - { - $$ = $1; - $$.CondSwizzle = $2.swizzle; - } - ; - -ccTest2: ccMaskRule2 swizzleSuffix - { - $$ = $1; - $$.CondSwizzle = $2.swizzle; - } - ; - -ccMaskRule: IDENTIFIER - { - const int cond = _mesa_parse_cc($1); - if ((cond == 0) || ($1[2] != '\0')) { - char *const err_str = - make_error_string("invalid condition code \"%s\"", $1); - - yyerror(& @1, state, (err_str != NULL) - ? err_str : "invalid condition code"); - - if (err_str != NULL) { - free(err_str); - } - - YYERROR; - } - - $$.CondMask = cond; - $$.CondSwizzle = SWIZZLE_NOOP; - $$.CondSrc = 0; - } - ; - -ccMaskRule2: USED_IDENTIFIER - { - const int cond = _mesa_parse_cc($1); - if ((cond == 0) || ($1[2] != '\0')) { - char *const err_str = - make_error_string("invalid condition code \"%s\"", $1); - - yyerror(& @1, state, (err_str != NULL) - ? err_str : "invalid condition code"); - - if (err_str != NULL) { - free(err_str); - } - - YYERROR; - } - - $$.CondMask = cond; - $$.CondSwizzle = SWIZZLE_NOOP; - $$.CondSrc = 0; - } - ; - -namingStatement: ATTRIB_statement - | PARAM_statement - | TEMP_statement - | ADDRESS_statement - | OUTPUT_statement - | ALIAS_statement - ; - -ATTRIB_statement: ATTRIB IDENTIFIER '=' attribBinding - { - struct asm_symbol *const s = - declare_variable(state, $2, at_attrib, & @2); - - if (s == NULL) { - free($2); - YYERROR; - } else { - s->attrib_binding = $4; - state->InputsBound |= (1U << s->attrib_binding); - - if (!validate_inputs(& @4, state)) { - YYERROR; - } - } - } - ; - -attribBinding: VERTEX vtxAttribItem - { - $$ = $2; - } - | FRAGMENT fragAttribItem - { - $$ = $2; - } - ; - -vtxAttribItem: POSITION - { - $$ = VERT_ATTRIB_POS; - } - | WEIGHT vtxOptWeightNum - { - $$ = VERT_ATTRIB_WEIGHT; - } - | NORMAL - { - $$ = VERT_ATTRIB_NORMAL; - } - | COLOR optColorType - { - if (!state->ctx->Extensions.EXT_secondary_color) { - yyerror(& @2, state, "GL_EXT_secondary_color not supported"); - YYERROR; - } - - $$ = VERT_ATTRIB_COLOR0 + $2; - } - | FOGCOORD - { - if (!state->ctx->Extensions.EXT_fog_coord) { - yyerror(& @1, state, "GL_EXT_fog_coord not supported"); - YYERROR; - } - - $$ = 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; - } - - $$ = $1; - } - ; - -vtxOptWeightNum: | '[' vtxWeightNum ']'; -vtxWeightNum: INTEGER; - -fragAttribItem: POSITION - { - $$ = FRAG_ATTRIB_WPOS; - } - | COLOR optColorType - { - $$ = FRAG_ATTRIB_COL0 + $2; - } - | FOGCOORD - { - $$ = FRAG_ATTRIB_FOGC; - } - | TEXCOORD optTexCoordUnitNum - { - $$ = FRAG_ATTRIB_TEX0 + $2; - } - ; - -PARAM_statement: PARAM_singleStmt | PARAM_multipleStmt; - -PARAM_singleStmt: PARAM IDENTIFIER paramSingleInit - { - struct asm_symbol *const s = - declare_variable(state, $2, at_param, & @2); - - if (s == NULL) { - free($2); - YYERROR; - } else { - s->param_binding_type = $3.param_binding_type; - s->param_binding_begin = $3.param_binding_begin; - s->param_binding_length = $3.param_binding_length; - s->param_binding_swizzle = $3.param_binding_swizzle; - s->param_is_array = 0; - } - } - ; - -PARAM_multipleStmt: PARAM IDENTIFIER '[' optArraySize ']' paramMultipleInit - { - if (($4 != 0) && ((unsigned) $4 != $6.param_binding_length)) { - free($2); - yyerror(& @4, state, - "parameter array size and number of bindings must match"); - YYERROR; - } else { - struct asm_symbol *const s = - declare_variable(state, $2, $6.type, & @2); - - if (s == NULL) { - free($2); - YYERROR; - } else { - s->param_binding_type = $6.param_binding_type; - s->param_binding_begin = $6.param_binding_begin; - s->param_binding_length = $6.param_binding_length; - s->param_binding_swizzle = SWIZZLE_XYZW; - s->param_is_array = 1; - } - } - } - ; - -optArraySize: - { - $$ = 0; - } - | INTEGER - { - if (($1 < 1) || ((unsigned) $1 > state->limits->MaxParameters)) { - yyerror(& @1, state, "invalid parameter array size"); - 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] = $2; - $$[2] = $3; - } - ; - -stateMatProperty: ambDiffSpecProperty - { - $$ = $1; - } - | EMISSION - { - $$ = STATE_EMISSION; - } - | SHININESS - { - $$ = STATE_SHININESS; - } - ; - -stateLightItem: LIGHT '[' stateLightNumber ']' stateLightProperty - { - memset($$, 0, sizeof($$)); - $$[0] = STATE_LIGHT; - $$[1] = $3; - $$[2] = $5; - } - ; - -stateLightProperty: ambDiffSpecProperty - { - $$ = $1; - } - | POSITION - { - $$ = STATE_POSITION; - } - | ATTENUATION - { - if (!state->ctx->Extensions.EXT_point_parameters) { - yyerror(& @1, state, "GL_ARB_point_parameters not supported"); - YYERROR; - } - - $$ = 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; - $$[2] = $5; - $$[3] = $6; - } - ; - -stateLProdProperty: ambDiffSpecProperty; - -stateTexEnvItem: TEXENV optLegacyTexUnitNum stateTexEnvProperty - { - memset($$, 0, sizeof($$)); - $$[0] = $3; - $$[1] = $2; - } - ; - -stateTexEnvProperty: COLOR - { - $$ = STATE_TEXENV_COLOR; - } - ; - -ambDiffSpecProperty: AMBIENT - { - $$ = 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]; - $$[1] = $1[1]; - $$[2] = $4; - $$[3] = $4; - $$[4] = $1[2]; - } - ; - -stateMatrixRows: stateMatrixItem optMatrixRows - { - $$[0] = $1[0]; - $$[1] = $1[1]; - $$[2] = $2[2]; - $$[3] = $2[3]; - $$[4] = $1[2]; - } - ; - -optMatrixRows: - { - $$[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: - { - $$ = 0; - } - | stateMatModifier - { - $$ = $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($$, 0, sizeof($$)); - $$[0] = state->state_param_enum; - $$[1] = STATE_ENV; - $$[2] = $4[0]; - $$[3] = $4[1]; - } - ; - -progEnvParamNums: progEnvParamNum - { - $$[0] = $1; - $$[1] = $1; - } - | progEnvParamNum DOT_DOT progEnvParamNum - { - $$[0] = $1; - $$[1] = $3; - } - ; - -progEnvParam: PROGRAM ENV '[' progEnvParamNum ']' - { - memset($$, 0, sizeof($$)); - $$[0] = state->state_param_enum; - $$[1] = STATE_ENV; - $$[2] = $4; - $$[3] = $4; - } - ; - -progLocalParams: PROGRAM LOCAL '[' progLocalParamNums ']' - { - memset($$, 0, sizeof($$)); - $$[0] = state->state_param_enum; - $$[1] = STATE_LOCAL; - $$[2] = $4[0]; - $$[3] = $4[1]; - } - -progLocalParamNums: progLocalParamNum - { - $$[0] = $1; - $$[1] = $1; - } - | progLocalParamNum DOT_DOT progLocalParamNum - { - $$[0] = $1; - $$[1] = $3; - } - ; - -progLocalParam: PROGRAM LOCAL '[' progLocalParamNum ']' - { - memset($$, 0, sizeof($$)); - $$[0] = state->state_param_enum; - $$[1] = STATE_LOCAL; - $$[2] = $4; - $$[3] = $4; - } - ; - -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] = $1; - $$.data[1] = $1; - $$.data[2] = $1; - $$.data[3] = $1; - } - ; - -paramConstScalarUse: REAL - { - $$.count = 1; - $$.data[0] = $1; - $$.data[1] = $1; - $$.data[2] = $1; - $$.data[3] = $1; - } - | INTEGER - { - $$.count = 1; - $$.data[0] = (float) $1; - $$.data[1] = (float) $1; - $$.data[2] = (float) $1; - $$.data[3] = (float) $1; - } - ; - -paramConstVector: '{' signedFloatConstant '}' - { - $$.count = 4; - $$.data[0] = $2; - $$.data[1] = 0.0f; - $$.data[2] = 0.0f; - $$.data[3] = 1.0f; - } - | '{' signedFloatConstant ',' signedFloatConstant '}' - { - $$.count = 4; - $$.data[0] = $2; - $$.data[1] = $4; - $$.data[2] = 0.0f; - $$.data[3] = 1.0f; - } - | '{' signedFloatConstant ',' signedFloatConstant ',' - signedFloatConstant '}' - { - $$.count = 4; - $$.data[0] = $2; - $$.data[1] = $4; - $$.data[2] = $6; - $$.data[3] = 1.0f; - } - | '{' signedFloatConstant ',' signedFloatConstant ',' - signedFloatConstant ',' signedFloatConstant '}' - { - $$.count = 4; - $$.data[0] = $2; - $$.data[1] = $4; - $$.data[2] = $6; - $$.data[3] = $8; - } - ; - -signedFloatConstant: optionalSign REAL - { - $$ = ($1) ? -$2 : $2; - } - | optionalSign INTEGER - { - $$ = (float)(($1) ? -$2 : $2); - } - ; - -optionalSign: '+' { $$ = FALSE; } - | '-' { $$ = TRUE; } - | { $$ = FALSE; } - ; - -TEMP_statement: optVarSize TEMP { $<integer>$ = $2; } varNameList - ; - -optVarSize: string - { - /* NV_fragment_program_option defines the size qualifiers in a - * fairly broken way. "SHORT" or "LONG" can optionally be used - * before TEMP or OUTPUT. However, neither is a reserved word! - * This means that we have to parse it as an identifier, then check - * to make sure it's one of the valid values. *sigh* - * - * In addition, the grammar in the extension spec does *not* allow - * the size specifier to be optional, but all known implementations - * do. - */ - if (!state->option.NV_fragment) { - yyerror(& @1, state, "unexpected IDENTIFIER"); - YYERROR; - } - - if (strcmp("SHORT", $1) == 0) { - } else if (strcmp("LONG", $1) == 0) { - } else { - char *const err_str = - make_error_string("invalid storage size specifier \"%s\"", - $1); - - yyerror(& @1, state, (err_str != NULL) - ? err_str : "invalid storage size specifier"); - - if (err_str != NULL) { - free(err_str); - } - - YYERROR; - } - } - | - { - } - ; - -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: optVarSize OUTPUT IDENTIFIER '=' resultBinding - { - struct asm_symbol *const s = - declare_variable(state, $3, at_output, & @3); - - if (s == NULL) { - free($3); - YYERROR; - } else { - s->output_binding = $5; - } - } - ; - -resultBinding: RESULT POSITION - { - if (state->mode == ARB_vertex) { - $$ = VERT_RESULT_HPOS; - } else { - yyerror(& @2, state, "invalid program result name"); - YYERROR; - } - } - | RESULT FOGCOORD - { - if (state->mode == ARB_vertex) { - $$ = VERT_RESULT_FOGC; - } else { - yyerror(& @2, state, "invalid program result name"); - YYERROR; - } - } - | RESULT resultColBinding - { - $$ = $2; - } - | RESULT POINTSIZE - { - if (state->mode == ARB_vertex) { - $$ = VERT_RESULT_PSIZ; - } else { - yyerror(& @2, state, "invalid program result name"); - YYERROR; - } - } - | RESULT TEXCOORD optTexCoordUnitNum - { - if (state->mode == ARB_vertex) { - $$ = VERT_RESULT_TEX0 + $3; - } else { - yyerror(& @2, state, "invalid program result name"); - YYERROR; - } - } - | RESULT DEPTH - { - if (state->mode == ARB_fragment) { - $$ = FRAG_RESULT_DEPTH; - } else { - yyerror(& @2, state, "invalid program result name"); - YYERROR; - } - } - ; - -resultColBinding: COLOR optResultFaceType optResultColorType - { - $$ = $2 + $3; - } - ; - -optResultFaceType: - { - $$ = (state->mode == ARB_vertex) - ? VERT_RESULT_COL0 - : FRAG_RESULT_COLOR; - } - | FRONT - { - if (state->mode == ARB_vertex) { - $$ = VERT_RESULT_COL0; - } else { - yyerror(& @1, state, "invalid program result name"); - YYERROR; - } - } - | BACK - { - if (state->mode == ARB_vertex) { - $$ = VERT_RESULT_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, 0, $2); - struct asm_symbol *target = (struct asm_symbol *) - _mesa_symbol_table_find_symbol(state->st, 0, $4); - - free($4); - - if (exist != NULL) { - char m[1000]; - _mesa_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, 0, $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; - } - - /* The only instruction that doesn't have any source registers is the - * condition-code based KIL instruction added by NV_fragment_program_option. - */ - 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(gl_inst_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_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.CondUpdate = base->CondUpdate; - inst->Base.CondDst = base->CondDst; - inst->Base.SaturateMode = base->SaturateMode; - inst->Base.Precision = base->Precision; - - 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; - r->CondMask = COND_TR; - r->CondSwizzle = SWIZZLE_NOOP; -} - - -/** 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; - r->CondMask = COND_TR; - r->CondSwizzle = SWIZZLE_NOOP; -} - - -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 int inputs = state->prog->InputsRead | state->InputsBound; - - if (((inputs & 0x0ffff) & (inputs >> 16)) != 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, 0, 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->NumTemporaries >= state->limits->MaxTemps) { - yyerror(locp, state, "too many temporaries declared"); - free(s); - return NULL; - } - - s->temp_binding = state->prog->NumTemporaries; - state->prog->NumTemporaries++; - break; - - case at_address: - if (state->prog->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->NumAddressRegs++; - break; - - default: - break; - } - - _mesa_symbol_table_add_symbol(state->st, 0, 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_index 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, 0x0); - 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_index tokens[STATE_LENGTH]) -{ - int idx = -1; - gl_state_index 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_PROJECTION_MATRIX || - state_tokens[0] == STATE_MVP_MATRIX || - state_tokens[0] == STATE_TEXTURE_MATRIX || - state_tokens[0] == STATE_PROGRAM_MATRIX) - && (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_index tokens[STATE_LENGTH]) -{ - int idx = -1; - gl_state_index state_tokens[STATE_LENGTH]; - - - memcpy(state_tokens, tokens, sizeof(state_tokens)); - - assert((state_tokens[0] == STATE_VERTEX_PROGRAM) - || (state_tokens[0] == STATE_FRAGMENT_PROGRAM)); - assert((state_tokens[1] == STATE_ENV) - || (state_tokens[1] == STATE_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[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; -} - - -/** - * 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, 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(GLcontext *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 NUL-terminated. - */ - strz = (GLubyte *) malloc(len + 1); - if (strz == NULL) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glProgramStringARB"); - return GL_FALSE; - } - memcpy (strz, str, len); - strz[len] = '\0'; - - state->prog->String = strz; - - state->st = _mesa_symbol_table_ctor(); - - state->limits = (target == GL_VERTEX_PROGRAM_ARB) - ? & ctx->Const.VertexProgram - : & ctx->Const.FragmentProgram; - - state->MaxTextureImageUnits = ctx->Const.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->state_param_enum = (target == GL_VERTEX_PROGRAM_ARB) - ? STATE_VERTEX_PROGRAM : STATE_FRAGMENT_PROGRAM; - - _mesa_set_program_error(ctx, -1, NULL); - - _mesa_program_lexer_ctor(& state->scanner, state, (const char *) str, len); - yyparse(state); - _mesa_program_lexer_dtor(state->scanner); - - - 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->Instructions = - _mesa_alloc_instructions(state->prog->NumInstructions + 1); - inst = state->inst_head; - for (i = 0; i < state->prog->NumInstructions; i++) { - struct asm_instruction *const temp = inst->next; - - state->prog->Instructions[i] = inst->Base; - inst = temp; - } - - /* Finally, tag on an OPCODE_END instruction */ - { - const GLuint numInst = state->prog->NumInstructions; - _mesa_init_instructions(state->prog->Instructions + numInst, 1); - state->prog->Instructions[numInst].Opcode = OPCODE_END; - } - state->prog->NumInstructions++; - - state->prog->NumParameters = state->prog->Parameters->NumParameters; - state->prog->NumAttributes = _mesa_bitcount(state->prog->InputsRead); - - /* - * Initialize native counts to logical counts. The device driver may - * change them if program is translated into a hardware program. - */ - state->prog->NumNativeInstructions = state->prog->NumInstructions; - state->prog->NumNativeTemporaries = state->prog->NumTemporaries; - state->prog->NumNativeParameters = state->prog->NumParameters; - state->prog->NumNativeAttributes = state->prog->NumAttributes; - state->prog->NumNativeAddressRegs = state->prog->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; - - return result; -} |