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| author | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
|---|---|---|
| committer | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
| commit | f4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch) | |
| tree | 2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/extras/Mesa/src/mesa/shader/arbprogram.syn | |
| parent | a840692edc9c6d19cd7c057f68e39c7d95eb767d (diff) | |
| download | nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.gz nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.bz2 nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.zip | |
Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:
Imported nx-X11-3.1.0-1.tar.gz
into Git repository
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/shader/arbprogram.syn')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/shader/arbprogram.syn | 2786 |
1 files changed, 2786 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/shader/arbprogram.syn b/nx-X11/extras/Mesa/src/mesa/shader/arbprogram.syn new file mode 100644 index 000000000..6ab0f2693 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/shader/arbprogram.syn @@ -0,0 +1,2786 @@ +/* + * Mesa 3-D graphics library + * Version: 6.2 + * + * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * + * 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 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 + * BRIAN PAUL 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. + */ + + /** + * \file arbprogram.syn + * ARB_fragment/vertex_program syntax + * \author Michal Krol + */ + +.syntax program; + +/* + This value must be incremented every time emit code values or structure of the production + array changes. This value is placed at the beginning of the production array. The loader + compares the value with its REVISION value. If they do not match, the loader is not up + to date. +*/ +.emtcode REVISION 0x09 + +/* program type */ +.emtcode FRAGMENT_PROGRAM 0x01 +.emtcode VERTEX_PROGRAM 0x02 + +/* program section */ +.emtcode OPTION 0x01 +.emtcode INSTRUCTION 0x02 +.emtcode DECLARATION 0x03 +.emtcode END 0x04 + +/* GL_ARB_fragment_program option */ +.emtcode ARB_PRECISION_HINT_FASTEST 0x00 +.emtcode ARB_PRECISION_HINT_NICEST 0x01 +.emtcode ARB_FOG_EXP 0x02 +.emtcode ARB_FOG_EXP2 0x03 +.emtcode ARB_FOG_LINEAR 0x04 + +/* GL_ARB_vertex_program option */ +.emtcode ARB_POSITION_INVARIANT 0x05 + +/* GL_ARB_fragment_program_shadow option */ +.emtcode ARB_FRAGMENT_PROGRAM_SHADOW 0x06 + +/* GL_ARB_draw_buffers option */ +.emtcode ARB_DRAW_BUFFERS 0x07 + +/* GL_ARB_fragment_program instruction class */ +.emtcode OP_ALU_INST 0x00 +.emtcode OP_TEX_INST 0x01 + +/* GL_ARB_vertex_program instruction class */ +/* OP_ALU_INST */ + +/* GL_ARB_fragment_program instruction type */ +.emtcode OP_ALU_VECTOR 0x00 +.emtcode OP_ALU_SCALAR 0x01 +.emtcode OP_ALU_BINSC 0x02 +.emtcode OP_ALU_BIN 0x03 +.emtcode OP_ALU_TRI 0x04 +.emtcode OP_ALU_SWZ 0x05 +.emtcode OP_TEX_SAMPLE 0x06 +.emtcode OP_TEX_KIL 0x07 + +/* GL_ARB_vertex_program instruction type */ +.emtcode OP_ALU_ARL 0x08 +/* OP_ALU_VECTOR */ +/* OP_ALU_SCALAR */ +/* OP_ALU_BINSC */ +/* OP_ALU_BIN */ +/* OP_ALU_TRI */ +/* OP_ALU_SWZ */ + +/* GL_ARB_fragment_program instruction code */ +.emtcode OP_ABS 0x00 +.emtcode OP_ABS_SAT 0x1B +.emtcode OP_FLR 0x09 +.emtcode OP_FLR_SAT 0x26 +.emtcode OP_FRC 0x0A +.emtcode OP_FRC_SAT 0x27 +.emtcode OP_LIT 0x0C +.emtcode OP_LIT_SAT 0x2A +.emtcode OP_MOV 0x11 +.emtcode OP_MOV_SAT 0x30 +.emtcode OP_COS 0x1F +.emtcode OP_COS_SAT 0x20 +.emtcode OP_EX2 0x07 +.emtcode OP_EX2_SAT 0x25 +.emtcode OP_LG2 0x0B +.emtcode OP_LG2_SAT 0x29 +.emtcode OP_RCP 0x14 +.emtcode OP_RCP_SAT 0x33 +.emtcode OP_RSQ 0x15 +.emtcode OP_RSQ_SAT 0x34 +.emtcode OP_SIN 0x38 +.emtcode OP_SIN_SAT 0x39 +.emtcode OP_SCS 0x35 +.emtcode OP_SCS_SAT 0x36 +.emtcode OP_POW 0x13 +.emtcode OP_POW_SAT 0x32 +.emtcode OP_ADD 0x01 +.emtcode OP_ADD_SAT 0x1C +.emtcode OP_DP3 0x03 +.emtcode OP_DP3_SAT 0x21 +.emtcode OP_DP4 0x04 +.emtcode OP_DP4_SAT 0x22 +.emtcode OP_DPH 0x05 +.emtcode OP_DPH_SAT 0x23 +.emtcode OP_DST 0x06 +.emtcode OP_DST_SAT 0x24 +.emtcode OP_MAX 0x0F +.emtcode OP_MAX_SAT 0x2E +.emtcode OP_MIN 0x10 +.emtcode OP_MIN_SAT 0x2F +.emtcode OP_MUL 0x12 +.emtcode OP_MUL_SAT 0x31 +.emtcode OP_SGE 0x16 +.emtcode OP_SGE_SAT 0x37 +.emtcode OP_SLT 0x17 +.emtcode OP_SLT_SAT 0x3A +.emtcode OP_SUB 0x18 +.emtcode OP_SUB_SAT 0x3B +.emtcode OP_XPD 0x1A +.emtcode OP_XPD_SAT 0x43 +.emtcode OP_CMP 0x1D +.emtcode OP_CMP_SAT 0x1E +.emtcode OP_LRP 0x2B +.emtcode OP_LRP_SAT 0x2C +.emtcode OP_MAD 0x0E +.emtcode OP_MAD_SAT 0x2D +.emtcode OP_SWZ 0x19 +.emtcode OP_SWZ_SAT 0x3C +.emtcode OP_TEX 0x3D +.emtcode OP_TEX_SAT 0x3E +.emtcode OP_TXB 0x3F +.emtcode OP_TXB_SAT 0x40 +.emtcode OP_TXP 0x41 +.emtcode OP_TXP_SAT 0x42 +.emtcode OP_KIL 0x28 + +/* GL_ARB_vertex_program instruction code */ +.emtcode OP_ARL 0x02 +/* OP_ABS */ +/* OP_FLR */ +/* OP_FRC */ +/* OP_LIT */ +/* OP_MOV */ +/* OP_EX2 */ +.emtcode OP_EXP 0x08 +/* OP_LG2 */ +.emtcode OP_LOG 0x0D +/* OP_RCP */ +/* OP_RSQ */ +/* OP_POW */ +/* OP_ADD */ +/* OP_DP3 */ +/* OP_DP4 */ +/* OP_DPH */ +/* OP_DST */ +/* OP_MAX */ +/* OP_MIN */ +/* OP_MUL */ +/* OP_SGE */ +/* OP_SLT */ +/* OP_SUB */ +/* OP_XPD */ +/* OP_MAD */ +/* OP_SWZ */ + +/* fragment attribute binding */ +.emtcode FRAGMENT_ATTRIB_COLOR 0x01 +.emtcode FRAGMENT_ATTRIB_TEXCOORD 0x02 +.emtcode FRAGMENT_ATTRIB_FOGCOORD 0x03 +.emtcode FRAGMENT_ATTRIB_POSITION 0x04 + +/* vertex attribute binding */ +.emtcode VERTEX_ATTRIB_POSITION 0x01 +.emtcode VERTEX_ATTRIB_WEIGHT 0x02 +.emtcode VERTEX_ATTRIB_NORMAL 0x03 +.emtcode VERTEX_ATTRIB_COLOR 0x04 +.emtcode VERTEX_ATTRIB_FOGCOORD 0x05 +.emtcode VERTEX_ATTRIB_TEXCOORD 0x06 +.emtcode VERTEX_ATTRIB_MATRIXINDEX 0x07 +.emtcode VERTEX_ATTRIB_GENERIC 0x08 + +/* fragment result binding */ +.emtcode FRAGMENT_RESULT_COLOR 0x01 +.emtcode FRAGMENT_RESULT_DEPTH 0x02 + +/* vertex result binding */ +.emtcode VERTEX_RESULT_POSITION 0x01 +.emtcode VERTEX_RESULT_COLOR 0x02 +.emtcode VERTEX_RESULT_FOGCOORD 0x03 +.emtcode VERTEX_RESULT_POINTSIZE 0x04 +.emtcode VERTEX_RESULT_TEXCOORD 0x05 + +/* texture target */ +.emtcode TEXTARGET_1D 0x01 +.emtcode TEXTARGET_2D 0x02 +.emtcode TEXTARGET_3D 0x03 +.emtcode TEXTARGET_RECT 0x04 +.emtcode TEXTARGET_CUBE 0x05 +/* GL_ARB_fragment_program_shadow */ +.emtcode TEXTARGET_SHADOW1D 0x06 +.emtcode TEXTARGET_SHADOW2D 0x07 +.emtcode TEXTARGET_SHADOWRECT 0x08 + +/* face type */ +.emtcode FACE_FRONT 0x00 +.emtcode FACE_BACK 0x01 + +/* color type */ +.emtcode COLOR_PRIMARY 0x00 +.emtcode COLOR_SECONDARY 0x01 + +/* component */ +.emtcode COMPONENT_X 0x00 +.emtcode COMPONENT_Y 0x01 +.emtcode COMPONENT_Z 0x02 +.emtcode COMPONENT_W 0x03 +.emtcode COMPONENT_0 0x04 +.emtcode COMPONENT_1 0x05 + +/* array index type */ +.emtcode ARRAY_INDEX_ABSOLUTE 0x00 +.emtcode ARRAY_INDEX_RELATIVE 0x01 + +/* matrix name */ +.emtcode MATRIX_MODELVIEW 0x01 +.emtcode MATRIX_PROJECTION 0x02 +.emtcode MATRIX_MVP 0x03 +.emtcode MATRIX_TEXTURE 0x04 +.emtcode MATRIX_PALETTE 0x05 +.emtcode MATRIX_PROGRAM 0x06 + +/* matrix modifier */ +.emtcode MATRIX_MODIFIER_IDENTITY 0x00 +.emtcode MATRIX_MODIFIER_INVERSE 0x01 +.emtcode MATRIX_MODIFIER_TRANSPOSE 0x02 +.emtcode MATRIX_MODIFIER_INVTRANS 0x03 + +/* constant type */ +.emtcode CONSTANT_SCALAR 0x01 +.emtcode CONSTANT_VECTOR 0x02 + +/* program param type */ +.emtcode PROGRAM_PARAM_ENV 0x01 +.emtcode PROGRAM_PARAM_LOCAL 0x02 + +/* register type */ +.emtcode REGISTER_ATTRIB 0x01 +.emtcode REGISTER_PARAM 0x02 +.emtcode REGISTER_RESULT 0x03 +.emtcode REGISTER_ESTABLISHED_NAME 0x04 + +/* param binding */ +.emtcode PARAM_NULL 0x00 +.emtcode PARAM_ARRAY_ELEMENT 0x01 +.emtcode PARAM_STATE_ELEMENT 0x02 +.emtcode PARAM_PROGRAM_ELEMENT 0x03 +.emtcode PARAM_PROGRAM_ELEMENTS 0x04 +.emtcode PARAM_CONSTANT 0x05 + +/* param state property */ +.emtcode STATE_MATERIAL 0x01 +.emtcode STATE_LIGHT 0x02 +.emtcode STATE_LIGHT_MODEL 0x03 +.emtcode STATE_LIGHT_PROD 0x04 +.emtcode STATE_FOG 0x05 +.emtcode STATE_MATRIX_ROWS 0x06 +/* GL_ARB_fragment_program */ +.emtcode STATE_TEX_ENV 0x07 +.emtcode STATE_DEPTH 0x08 +/* GL_ARB_vertex_program */ +.emtcode STATE_TEX_GEN 0x09 +.emtcode STATE_CLIP_PLANE 0x0A +.emtcode STATE_POINT 0x0B + +/* state material property */ +.emtcode MATERIAL_AMBIENT 0x01 +.emtcode MATERIAL_DIFFUSE 0x02 +.emtcode MATERIAL_SPECULAR 0x03 +.emtcode MATERIAL_EMISSION 0x04 +.emtcode MATERIAL_SHININESS 0x05 + +/* state light property */ +.emtcode LIGHT_AMBIENT 0x01 +.emtcode LIGHT_DIFFUSE 0x02 +.emtcode LIGHT_SPECULAR 0x03 +.emtcode LIGHT_POSITION 0x04 +.emtcode LIGHT_ATTENUATION 0x05 +.emtcode LIGHT_HALF 0x06 +.emtcode LIGHT_SPOT_DIRECTION 0x07 + +/* state light model property */ +.emtcode LIGHT_MODEL_AMBIENT 0x01 +.emtcode LIGHT_MODEL_SCENECOLOR 0x02 + +/* state light product property */ +.emtcode LIGHT_PROD_AMBIENT 0x01 +.emtcode LIGHT_PROD_DIFFUSE 0x02 +.emtcode LIGHT_PROD_SPECULAR 0x03 + +/* state texture environment property */ +.emtcode TEX_ENV_COLOR 0x01 + +/* state texture generation coord property */ +.emtcode TEX_GEN_EYE 0x01 +.emtcode TEX_GEN_OBJECT 0x02 + +/* state fog property */ +.emtcode FOG_COLOR 0x01 +.emtcode FOG_PARAMS 0x02 + +/* state depth property */ +.emtcode DEPTH_RANGE 0x01 + +/* state point parameters property */ +.emtcode POINT_SIZE 0x01 +.emtcode POINT_ATTENUATION 0x02 + +/* declaration */ +.emtcode ATTRIB 0x01 +.emtcode PARAM 0x02 +.emtcode TEMP 0x03 +.emtcode OUTPUT 0x04 +.emtcode ALIAS 0x05 +/* GL_ARB_vertex_program */ +.emtcode ADDRESS 0x06 + +/* error messages */ +.errtext UNKNOWN_PROGRAM_SIGNATURE "1001: '$e_signature$': unknown program signature" +.errtext MISSING_END_OR_INVALID_STATEMENT "1002: '$e_statement$': invalid statement" +.errtext CODE_AFTER_END "1003: '$e_statement$': code after 'END' keyword" +.errtext INVALID_PROGRAM_OPTION "1004: '$e_identifier$': invalid program option" +.errtext EXT_SWIZ_COMP_EXPECTED "1005: extended swizzle component expected but '$e_token$' found" +.errtext TEX_TARGET_EXPECTED "1006: texture target expected but '$e_token$' found" +.errtext TEXTURE_EXPECTED "1007: 'texture' expected but '$e_identifier$' found" +.errtext SOURCE_REGISTER_EXPECTED "1008: source register expected but '$e_token$' found" +.errtext DESTINATION_REGISTER_EXPECTED "1009: destination register expected but '$e_token$' found" +.errtext INVALID_ADDRESS_COMPONENT "1010: '$e_identifier$': invalid address component" +.errtext INVALID_ADDRESS_WRITEMASK "1011: '$e_identifier$': invalid address writemask" +.errtext INVALID_COMPONENT "1012: '$e_charordigit$': invalid component" +.errtext INVALID_SUFFIX "1013: '$e_identifier$': invalid suffix" +.errtext INVALID_WRITEMASK "1014: '$e_identifier$': invalid writemask" +.errtext FRAGMENT_EXPECTED "1015: 'fragment' expected but '$e_identifier$' found" +.errtext VERTEX_EXPECTED "1016: 'vertex' expected but '$e_identifier$' found" +.errtext INVALID_FRAGMENT_PROPERTY "1017: '$e_identifier$': invalid fragment property" +.errtext INVALID_VERTEX_PROPERTY "1018: '$e_identifier$': invalid vertex property" +.errtext INVALID_STATE_PROPERTY "1019: '$e_identifier$': invalid state property" +.errtext INVALID_MATERIAL_PROPERTY "1020: '$e_identifier$': invalid material property" +.errtext INVALID_LIGHT_PROPERTY "1021: '$e_identifier$': invalid light property" +.errtext INVALID_SPOT_PROPERTY "1022: '$e_identifier$': invalid spot property" +.errtext INVALID_LIGHTMODEL_PROPERTY "1023: '$e_identifier$': invalid light model property" +.errtext INVALID_LIGHTPROD_PROPERTY "1024: '$e_identifier$': invalid light product property" +.errtext INVALID_TEXENV_PROPERTY "1025: '$e_identifier$': invalid texture environment property" +.errtext INVALID_TEXGEN_PROPERTY "1026: '$e_identifier$': invalid texture generating property" +.errtext INVALID_TEXGEN_COORD "1027: '$e_identifier$': invalid texture generating coord" +.errtext INVALID_FOG_PROPERTY "1028: '$e_identifier$': invalid fog property" +.errtext INVALID_DEPTH_PROPERTY "1029: '$e_identifier$': invalid depth property" +.errtext INVALID_CLIPPLANE_PROPERTY "1030: '$e_identifier$': invalid clip plane property" +.errtext INVALID_POINT_PROPERTY "1031: '$e_identifier$': invalid point property" +.errtext MATRIX_ROW_SELECTOR_OR_MODIFIER_EXPECTED "1032: matrix row selector or modifier expected but '$e_token$' found" +.errtext INVALID_MATRIX_NAME "1033: '$e_identifier$': invalid matrix name" +.errtext INVALID_PROGRAM_PROPERTY "1034: '$e_identifier$': invalid program property" +.errtext RESULT_EXPECTED "1035: 'result' expected but '$e_token$' found" +.errtext INVALID_RESULT_PROPERTY "1036: '$e_identifier$': invalid result property" +.errtext INVALID_FACE_PROPERTY "1037: '$e_identifier$': invalid face property" +.errtext INVALID_COLOR_PROPERTY "1038: '$e_identifier$': invalid color property" +.errtext IDENTIFIER_EXPECTED "1039: identifier expected but '$e_token$' found" +.errtext RESERVED_KEYWORD "1040: use of reserved keyword as an identifier" +.errtext INTEGER_EXPECTED "1041: integer value expected but '$e_token$' found" +.errtext MISSING_SEMICOLON "1042: ';' expected but '$e_token$' found" +.errtext MISSING_COMMA "1043: ',' expected but '$e_token$' found" +.errtext MISSING_LBRACKET "1044: '[' expected but '$e_token$' found" +.errtext MISSING_RBRACKET "1045: ']' expected but '$e_token$' found" +.errtext MISSING_DOT "1046: '.' expected but '$e_token$' found" +.errtext MISSING_EQUAL "1047: '=' expected but '$e_token$' found" +.errtext MISSING_LBRACE "1048: '{' expected but '$e_token$' found" +.errtext MISSING_RBRACE "1049: '}' expected but '$e_token$' found" +.errtext MISSING_DOTDOT "1050: '..' expected but '$e_token$' found" +.errtext MISSING_FRACTION_OR_EXPONENT "1051: missing fraction part or exponent" +.errtext MISSING_DOT_OR_EXPONENT "1052: missing '.' or exponent" +.errtext EXPONENT_VALUE_EXPECTED "1053: exponent value expected" +.errtext INTEGER_OUT_OF_RANGE "1054: integer value out of range" +.errtext OPERATION_NEEDS_DESTINATION_VARIABLE "1055: operation needs destination variable" +.errtext OPERATION_NEEDS_SOURCE_VARIABLE "1056: operation needs source variable" +.errtext ADDRESS_REGISTER_EXPECTED "1057: address register expected but '$e_token$' found" +.errtext ADDRESS_REGISTER_OR_INTEGER_EXPECTED "1058: address register or integer literal expected but '$e_token$' found" + +/* extension presence condition registers */ + +/* GL_ARB_vertex_blend */ +/* GL_EXT_vertex_weighting */ +.regbyte vertex_blend 0x00 + +/* GL_ARB_matrix_palette */ +.regbyte matrix_palette 0x00 + +/* GL_ARB_point_parameters */ +/* GL_EXT_point_parameters */ +.regbyte point_parameters 0x00 + +/* GL_EXT_secondary_color */ +.regbyte secondary_color 0x00 + +/* GL_EXT_fog_coord */ +.regbyte fog_coord 0x00 + +/* GL_EXT_texture_rectangle */ +/* GL_NV_texture_rectangle */ +.regbyte texture_rectangle 0x00 + +/* GL_ARB_fragment_program_shadow */ +.regbyte fragment_program_shadow 0x00 + +/* GL_ARB_draw_buffers */ +.regbyte draw_buffers 0x00 + +/* option presence condition registers */ +/* they are all initially set to zero - when a particular OPTION is encountered, the appropriate */ +/* register is set to 1 to indicate that the OPTION was specified. */ + +/* GL_ARB_fragment_program */ +.regbyte ARB_precision_hint_fastest 0x00 +.regbyte ARB_precision_hint_nicest 0x00 +.regbyte ARB_fog_exp 0x00 +.regbyte ARB_fog_exp2 0x00 +.regbyte ARB_fog_linear 0x00 + +/* GL_ARB_vertex_program */ +.regbyte ARB_position_invariant 0x00 + +/* GL_ARB_fragment_program_shadow */ +.regbyte ARB_fragment_program_shadow 0x00 + +/* GL_ARB_draw_buffers */ +.regbyte ARB_draw_buffers 0x00 + +/* program target condition register */ +/* this syntax script deals with two program targets - VERTEX_PROGRAM and FRAGMENT_PROGRAM. */ +/* to distinguish between them we need a register that will store for us the current target. */ +/* the client will typically set the register to apropriate value before parsing a particular */ +/* program. the mapping between program targets and their values is listed below. */ +/* */ +/* program target register value */ +/* ---------------------------------------------- */ +/* FRAGMENT_PROGRAM 0x10 */ +/* VERTEX_PROGRAM 0x20 */ +/* */ +/* the initial value of the register is 0 to catch potential errors with not setting the register */ +/* with the proper value. */ +.regbyte program_target 0x00 + +/* + <program> ::= <optionSequence> <statementSequence> "END" +*/ +program + programs .error UNKNOWN_PROGRAM_SIGNATURE .emit REVISION; +programs + .if (program_target == 0x10) frag_program_1_0 .emit FRAGMENT_PROGRAM .emit 0x01 .emit 0x00 .or + .if (program_target == 0x20) vert_program_1_0 .emit VERTEX_PROGRAM .emit 0x01 .emit 0x00; +frag_program_1_0 + '!' .and '!' .and 'A' .and 'R' .and 'B' .and 'f' .and 'p' .and '1' .and '.' .and '0' .and + optional_space .and fp_optionSequence .and fp_statementSequence .and + "END" .error MISSING_END_OR_INVALID_STATEMENT .emit END .and optional_space .and + '\0' .error CODE_AFTER_END; +vert_program_1_0 + '!' .and '!' .and 'A' .and 'R' .and 'B' .and 'v' .and 'p' .and '1' .and '.' .and '0' .and + optional_space .and vp_optionSequence .and vp_statementSequence .and + "END" .error MISSING_END_OR_INVALID_STATEMENT .emit END .and optional_space .and + '\0' .error CODE_AFTER_END; + +/* + <optionSequence> ::= <optionSequence> <option> + | "" +*/ +fp_optionSequence + .loop fp_option; +vp_optionSequence + .loop vp_option; + +/* + <option> ::= "OPTION" <identifier> ";" + +NOTE: options ARB_precision_hint_nicest and ARB_precision_hint_fastest are exclusive. When one of + these options is encountered, the other one is automatically disabled. + the same applies to options ARB_fog_exp, ARB_fog_exp2 and ARB_fog_linear. +*/ +fp_option + "OPTION" .emit OPTION .and space .error IDENTIFIER_EXPECTED .and + fp_optionString .error INVALID_PROGRAM_OPTION .and semicolon; +vp_option + "OPTION" .emit OPTION .and space .error IDENTIFIER_EXPECTED .and + vp_optionString .error INVALID_PROGRAM_OPTION .and semicolon; +fp_optionString + .if (ARB_precision_hint_nicest == 0x00) "ARB_precision_hint_fastest" + .emit ARB_PRECISION_HINT_FASTEST .load ARB_precision_hint_fastest 0x01 .or + .if (ARB_precision_hint_fastest == 0x00) "ARB_precision_hint_nicest" + .emit ARB_PRECISION_HINT_NICEST .load ARB_precision_hint_nicest 0x01 .or + fp_ARB_fog_exp .emit ARB_FOG_EXP .load ARB_fog_exp 0x01 .or + fp_ARB_fog_exp2 .emit ARB_FOG_EXP2 .load ARB_fog_exp2 0x01 .or + fp_ARB_fog_linear .emit ARB_FOG_LINEAR .load ARB_fog_linear 0x01 .or + .if (fragment_program_shadow != 0x00) "ARB_fragment_program_shadow" + .emit ARB_FRAGMENT_PROGRAM_SHADOW .load ARB_fragment_program_shadow 0x01 .or + .if (draw_buffers != 0x00) "ARB_draw_buffers" .emit ARB_DRAW_BUFFERS + .load ARB_draw_buffers 0x01; +vp_optionString + "ARB_position_invariant" .emit ARB_POSITION_INVARIANT .load ARB_position_invariant 0x01; +fp_ARB_fog_exp + .if (ARB_fog_exp2 == 0x00) .true .and .if (ARB_fog_linear == 0x00) "ARB_fog_exp"; +fp_ARB_fog_exp2 + .if (ARB_fog_exp == 0x00) .true .and .if (ARB_fog_linear == 0x00) "ARB_fog_exp2"; +fp_ARB_fog_linear + .if (ARB_fog_exp == 0x00) .true .and .if (ARB_fog_exp2 == 0x00) "ARB_fog_linear"; + +/* + <statementSequence> ::= <statementSequence> <statement> + | "" +*/ +fp_statementSequence + .loop fp_statement; +vp_statementSequence + .loop vp_statement; + +/* + <statement> ::= <instruction> ";" + | <namingStatement> ";" + +NOTE: ".emit $" in the definitions below means that we output instruction position (offset of + the first character of instruction) for program debugging purposes. +*/ +fp_statement + fp_statement_1 .or fp_statement_2; +vp_statement + vp_statement_1 .or vp_statement_2; +fp_statement_1 + fp_instruction .emit INSTRUCTION .emit $ .and semicolon; +fp_statement_2 + fp_namingStatement .emit DECLARATION .and semicolon; +vp_statement_1 + vp_instruction .emit INSTRUCTION .emit $ .and semicolon; +vp_statement_2 + vp_namingStatement .emit DECLARATION .and semicolon; + +/* +fragment program + <instruction> ::= <ALUInstruction> + | <TexInstruction> + +vertex program + <instruction> ::= <ARL_instruction> + | <VECTORop_instruction> + | <SCALARop_instruction> + | <BINSCop_instruction> + | <BINop_instruction> + | <TRIop_instruction> + | <SWZ_instruction> +*/ +fp_instruction + ALUInstruction .emit OP_ALU_INST .or + TexInstruction .emit OP_TEX_INST; +vp_instruction + ARL_instruction .emit OP_ALU_ARL .or + vp_VECTORop_instruction .emit OP_ALU_VECTOR .or + vp_SCALARop_instruction .emit OP_ALU_SCALAR .or + vp_BINSCop_instruction .emit OP_ALU_BINSC .or + vp_BINop_instruction .emit OP_ALU_BIN .or + vp_TRIop_instruction .emit OP_ALU_TRI .or + vp_SWZ_instruction .emit OP_ALU_SWZ; + +/* +fragment program + <ALUInstruction> ::= <VECTORop_instruction> + | <SCALARop_instruction> + | <BINSCop_instruction> + | <BINop_instruction> + | <TRIop_instruction> + | <SWZ_instruction> +*/ +ALUInstruction + fp_VECTORop_instruction .emit OP_ALU_VECTOR .or + fp_SCALARop_instruction .emit OP_ALU_SCALAR .or + fp_BINSCop_instruction .emit OP_ALU_BINSC .or + fp_BINop_instruction .emit OP_ALU_BIN .or + fp_TRIop_instruction .emit OP_ALU_TRI .or + fp_SWZ_instruction .emit OP_ALU_SWZ; + +/* +fragment program + <TexInstruction> ::= <SAMPLE_instruction> + | <KIL_instruction> +*/ +TexInstruction + SAMPLE_instruction .emit OP_TEX_SAMPLE .or + KIL_instruction .emit OP_TEX_KIL; + +/* +vertex program + <ARL_instruction> ::= "ARL" <maskedAddrReg> "," <scalarSrcReg> +*/ +ARL_instruction + "ARL" .emit OP_ARL .and space_dst .and maskedAddrReg .and comma .and vp_scalarSrcReg; + +/* +fragment program + <VECTORop_instruction> ::= <VECTORop> <maskedDstReg> "," + <vectorSrcReg> + +vertex program + <VECTORop_instruction> ::= <VECTORop> <maskedDstReg> "," <swizzleSrcReg> +*/ +fp_VECTORop_instruction + fp_VECTORop .and space_dst .and fp_maskedDstReg .and comma .and vectorSrcReg; +vp_VECTORop_instruction + vp_VECTORop .and space_dst .and vp_maskedDstReg .and comma .and swizzleSrcReg; + +/* +fragment program + <VECTORop> ::= "ABS" | "ABS_SAT" + | "FLR" | "FLR_SAT" + | "FRC" | "FRC_SAT" + | "LIT" | "LIT_SAT" + | "MOV" | "MOV_SAT" + +vertex program + <VECTORop> ::= "ABS" + | "FLR" + | "FRC" + | "LIT" + | "MOV" +*/ +fp_VECTORop + "ABS" .emit OP_ABS .or "ABS_SAT" .emit OP_ABS_SAT .or + "FLR" .emit OP_FLR .or "FLR_SAT" .emit OP_FLR_SAT .or + "FRC" .emit OP_FRC .or "FRC_SAT" .emit OP_FRC_SAT .or + "LIT" .emit OP_LIT .or "LIT_SAT" .emit OP_LIT_SAT .or + "MOV" .emit OP_MOV .or "MOV_SAT" .emit OP_MOV_SAT; +vp_VECTORop + "ABS" .emit OP_ABS .or + "FLR" .emit OP_FLR .or + "FRC" .emit OP_FRC .or + "LIT" .emit OP_LIT .or + "MOV" .emit OP_MOV; + +/* + <SCALARop_instruction> ::= <SCALARop> <maskedDstReg> "," <scalarSrcReg> +*/ +fp_SCALARop_instruction + fp_SCALARop .and space_dst .and fp_maskedDstReg .and comma .and fp_scalarSrcReg; +vp_SCALARop_instruction + vp_SCALARop .and space_dst .and vp_maskedDstReg .and comma .and vp_scalarSrcReg; + +/* +fragment program + <SCALARop> ::= "COS" | "COS_SAT" + | "EX2" | "EX2_SAT" + | "LG2" | "LG2_SAT" + | "RCP" | "RCP_SAT" + | "RSQ" | "RSQ_SAT" + | "SIN" | "SIN_SAT" + | "SCS" | "SCS_SAT" + +vertex program + <SCALARop> ::= "EX2" + | "EXP" + | "LG2" + | "LOG" + | "RCP" + | "RSQ" +*/ +fp_SCALARop + "COS" .emit OP_COS .or "COS_SAT" .emit OP_COS_SAT .or + "EX2" .emit OP_EX2 .or "EX2_SAT" .emit OP_EX2_SAT .or + "LG2" .emit OP_LG2 .or "LG2_SAT" .emit OP_LG2_SAT .or + "RCP" .emit OP_RCP .or "RCP_SAT" .emit OP_RCP_SAT .or + "RSQ" .emit OP_RSQ .or "RSQ_SAT" .emit OP_RSQ_SAT .or + "SIN" .emit OP_SIN .or "SIN_SAT" .emit OP_SIN_SAT .or + "SCS" .emit OP_SCS .or "SCS_SAT" .emit OP_SCS_SAT; +vp_SCALARop + "EX2" .emit OP_EX2 .or + "EXP" .emit OP_EXP .or + "LG2" .emit OP_LG2 .or + "LOG" .emit OP_LOG .or + "RCP" .emit OP_RCP .or + "RSQ" .emit OP_RSQ; + +/* + <BINSCop_instruction> ::= <BINSCop> <maskedDstReg> "," <scalarSrcReg> "," + <scalarSrcReg> +*/ +fp_BINSCop_instruction + fp_BINSCop .and space_dst .and fp_maskedDstReg .and comma .and fp_scalarSrcReg .and comma .and + fp_scalarSrcReg; +vp_BINSCop_instruction + vp_BINSCop .and space_dst .and vp_maskedDstReg .and comma .and vp_scalarSrcReg .and comma .and + vp_scalarSrcReg; + +/* +fragment program + <BINSCop> ::= "POW" | "POW_SAT" + +vertex program + <BINSCop> ::= "POW" +*/ +fp_BINSCop + "POW" .emit OP_POW .or "POW_SAT" .emit OP_POW_SAT; +vp_BINSCop + "POW" .emit OP_POW; + +/* +fragment program + <BINop_instruction> ::= <BINop> <maskedDstReg> "," + <vectorSrcReg> "," <vectorSrcReg> + +vertex program + <BINop_instruction> ::= <BINop> <maskedDstReg> "," + <swizzleSrcReg> "," <swizzleSrcReg> +*/ +fp_BINop_instruction + fp_BINop .and space_dst .and fp_maskedDstReg .and comma .and vectorSrcReg .and comma .and + vectorSrcReg; +vp_BINop_instruction + vp_BINop .and space_dst .and vp_maskedDstReg .and comma .and swizzleSrcReg .and comma .and + swizzleSrcReg; + +/* +fragment program + <BINop> ::= "ADD" | "ADD_SAT" + | "DP3" | "DP3_SAT" + | "DP4" | "DP4_SAT" + | "DPH" | "DPH_SAT" + | "DST" | "DST_SAT" + | "MAX" | "MAX_SAT" + | "MIN" | "MIN_SAT" + | "MUL" | "MUL_SAT" + | "SGE" | "SGE_SAT" + | "SLT" | "SLT_SAT" + | "SUB" | "SUB_SAT" + | "XPD" | "XPD_SAT" + +vertex program + <BINop> ::= "ADD" + | "DP3" + | "DP4" + | "DPH" + | "DST" + | "MAX" + | "MIN" + | "MUL" + | "SGE" + | "SLT" + | "SUB" + | "XPD" +*/ +fp_BINop + "ADD" .emit OP_ADD .or "ADD_SAT" .emit OP_ADD_SAT .or + "DP3" .emit OP_DP3 .or "DP3_SAT" .emit OP_DP3_SAT .or + "DP4" .emit OP_DP4 .or "DP4_SAT" .emit OP_DP4_SAT .or + "DPH" .emit OP_DPH .or "DPH_SAT" .emit OP_DPH_SAT .or + "DST" .emit OP_DST .or "DST_SAT" .emit OP_DST_SAT .or + "MAX" .emit OP_MAX .or "MAX_SAT" .emit OP_MAX_SAT .or + "MIN" .emit OP_MIN .or "MIN_SAT" .emit OP_MIN_SAT .or + "MUL" .emit OP_MUL .or "MUL_SAT" .emit OP_MUL_SAT .or + "SGE" .emit OP_SGE .or "SGE_SAT" .emit OP_SGE_SAT .or + "SLT" .emit OP_SLT .or "SLT_SAT" .emit OP_SLT_SAT .or + "SUB" .emit OP_SUB .or "SUB_SAT" .emit OP_SUB_SAT .or + "XPD" .emit OP_XPD .or "XPD_SAT" .emit OP_XPD_SAT; +vp_BINop + "ADD" .emit OP_ADD .or + "DP3" .emit OP_DP3 .or + "DP4" .emit OP_DP4 .or + "DPH" .emit OP_DPH .or + "DST" .emit OP_DST .or + "MAX" .emit OP_MAX .or + "MIN" .emit OP_MIN .or + "MUL" .emit OP_MUL .or + "SGE" .emit OP_SGE .or + "SLT" .emit OP_SLT .or + "SUB" .emit OP_SUB .or + "XPD" .emit OP_XPD; + +/* +fragment program + <TRIop_instruction> ::= <TRIop> <maskedDstReg> "," + <vectorSrcReg> "," <vectorSrcReg> "," + <vectorSrcReg> + +vertex program + <TRIop_instruction> ::= <TRIop> <maskedDstReg> "," + <swizzleSrcReg> "," <swizzleSrcReg> "," + <swizzleSrcReg> +*/ +fp_TRIop_instruction + fp_TRIop .and space_dst .and fp_maskedDstReg .and comma .and vectorSrcReg .and comma .and + vectorSrcReg .and comma .and vectorSrcReg; +vp_TRIop_instruction + vp_TRIop .and space_dst .and vp_maskedDstReg .and comma .and swizzleSrcReg .and comma .and + swizzleSrcReg .and comma .and swizzleSrcReg; + +/* +fragment program + <TRIop> ::= "CMP" | "CMP_SAT" + | "LRP" | "LRP_SAT" + | "MAD" | "MAD_SAT" + +vertex program + <TRIop> ::= "MAD" +*/ +fp_TRIop + "CMP" .emit OP_CMP .or "CMP_SAT" .emit OP_CMP_SAT .or + "LRP" .emit OP_LRP .or "LRP_SAT" .emit OP_LRP_SAT .or + "MAD" .emit OP_MAD .or "MAD_SAT" .emit OP_MAD_SAT; +vp_TRIop + "MAD" .emit OP_MAD; + +/* +fragment program + <SWZ_instruction> ::= <SWZop> <maskedDstReg> "," + <srcReg> "," <extendedSwizzle> + +vertex program + <SWZ_instruction> ::= "SWZ" <maskedDstReg> "," <srcReg> "," + <extendedSwizzle> +*/ +fp_SWZ_instruction + SWZop .and space_dst .and fp_maskedDstReg .and comma .and fp_srcReg .and comma .and + fp_extendedSwizzle .error EXT_SWIZ_COMP_EXPECTED; +vp_SWZ_instruction + "SWZ" .emit OP_SWZ .and space_dst .and vp_maskedDstReg .and comma .and vp_srcReg .and comma .and + vp_extendedSwizzle .error EXT_SWIZ_COMP_EXPECTED; + +/* +fragment program + <SWZop> ::= "SWZ" | "SWZ_SAT" +*/ +SWZop + "SWZ" .emit OP_SWZ .or "SWZ_SAT" .emit OP_SWZ_SAT; + +/* +fragment program + <SAMPLE_instruction> ::= <SAMPLEop> <maskedDstReg> "," + <vectorSrcReg> "," <texImageUnit> "," + <texTarget> +*/ +SAMPLE_instruction + SAMPLEop .and space_dst .and fp_maskedDstReg .and comma .and vectorSrcReg .and comma .and + texImageUnit .and comma .and texTarget .error TEX_TARGET_EXPECTED; + +/* +fragment program + <SAMPLEop> ::= "TEX" | "TEX_SAT" + | "TXP" | "TXP_SAT" + | "TXB" | "TXB_SAT" +*/ +SAMPLEop + "TEX" .emit OP_TEX .or "TEX_SAT" .emit OP_TEX_SAT .or + "TXB" .emit OP_TXB .or "TXB_SAT" .emit OP_TXB_SAT .or + "TXP" .emit OP_TXP .or "TXP_SAT" .emit OP_TXP_SAT; + +/* +fragment program + <KIL_instruction> ::= "KIL" <vectorSrcReg> +*/ +KIL_instruction + "KIL" .emit OP_KIL .and space_src .and vectorSrcReg; + +/* +fragment program + <texImageUnit> ::= "texture" <optTexImageUnitNum> +*/ +texImageUnit + "texture" .error TEXTURE_EXPECTED .and optTexImageUnitNum; + +/* +fragment program + <texTarget> ::= "1D" + | "2D" + | "3D" + | "CUBE" + | "RECT" + | <shadowTarget> (if option ARB_fragment_program_shadow present) +*/ +texTarget + "1D" .emit TEXTARGET_1D .or + "2D" .emit TEXTARGET_2D .or + "3D" .emit TEXTARGET_3D .or + .if (texture_rectangle != 0x00) "RECT" .emit TEXTARGET_RECT .or + "CUBE" .emit TEXTARGET_CUBE .or + .if (ARB_fragment_program_shadow != 0x00) shadowTarget; + +/* +GL_ARB_fragment_program_shadow + <shadowTarget> ::= "SHADOW1D" + | "SHADOW2D" + | "SHADOWRECT" +*/ +shadowTarget + "SHADOW1D" .emit TEXTARGET_SHADOW1D .or + "SHADOW2D" .emit TEXTARGET_SHADOW2D .or + .if (texture_rectangle != 0x00) "SHADOWRECT" .emit TEXTARGET_SHADOWRECT; + +/* +fragment program + <optTexImageUnitNum> ::= "" + | "[" <texImageUnitNum> "]" +*/ +optTexImageUnitNum + optTexImageUnitNum_1 .or .true .emit 0x00; +optTexImageUnitNum_1 + lbracket_ne .and texImageUnitNum .and rbracket; + +/* +fragment program + <texImageUnitNum> ::= <integer> from 0 to + MAX_TEXTURE_IMAGE_UNITS_ARB-1 +*/ +texImageUnitNum + integer; + +/* + <scalarSrcReg> ::= <optionalSign> <srcReg> <scalarSuffix> +*/ +fp_scalarSrcReg + optionalSign .and fp_srcReg .and fp_scalarSuffix; +vp_scalarSrcReg + optionalSign .and vp_srcReg .and vp_scalarSuffix; + +/* +vertex program + <swizzleSrcReg> ::= <optionalSign> <srcReg> <swizzleSuffix> +*/ +swizzleSrcReg + optionalSign .and vp_srcReg .and swizzleSuffix; + +/* +fragment program + <vectorSrcReg> ::= <optionalSign> <srcReg> <optionalSuffix> +*/ +vectorSrcReg + optionalSign .and fp_srcReg .and optionalSuffix; + +/* + <maskedDstReg> ::= <dstReg> <optionalMask> +*/ +fp_maskedDstReg + fp_dstReg .and fp_optionalMask; +vp_maskedDstReg + vp_dstReg .and vp_optionalMask; + +/* +vertex program + <maskedAddrReg> ::= <addrReg> <addrWriteMask> +*/ +maskedAddrReg + addrReg .error ADDRESS_REGISTER_EXPECTED .and addrWriteMask; + +/* +fragment program + <extendedSwizzle> ::= <xyzwExtendedSwizzle> + | <rgbaExtendedSwizzle> + +vertex program + <extendedSwizzle> ::= <extSwizComp> "," <extSwizComp> "," + <extSwizComp> "," <extSwizComp> + +NOTE: do NOT change the order of <rgbaExtendedSwizzle> and <xyzwExtendedSwizzle> rulez +*/ +fp_extendedSwizzle + rgbaExtendedSwizzle .or xyzwExtendedSwizzle; +vp_extendedSwizzle + extSwizComp .and comma .and + extSwizComp .error EXT_SWIZ_COMP_EXPECTED .and comma .and + extSwizComp .error EXT_SWIZ_COMP_EXPECTED .and comma .and + extSwizComp .error EXT_SWIZ_COMP_EXPECTED; + +/* +fragment program + <xyzwExtendedSwizzle> ::= <xyzwExtSwizComp> "," <xyzwExtSwizComp> "," + <xyzwExtSwizComp> "," <xyzwExtSwizComp> +*/ +xyzwExtendedSwizzle + xyzwExtSwizComp .and comma .and + xyzwExtSwizComp .error EXT_SWIZ_COMP_EXPECTED .and comma .and + xyzwExtSwizComp .error EXT_SWIZ_COMP_EXPECTED .and comma .and + xyzwExtSwizComp .error EXT_SWIZ_COMP_EXPECTED; + +/* +fragment program + <rgbaExtendedSwizzle> ::= <rgbaExtSwizComp> "," <rgbaExtSwizComp> "," + <rgbaExtSwizComp> "," <rgbaExtSwizComp> +*/ +rgbaExtendedSwizzle + rgbaExtendedSwizzle_1 .or rgbaExtendedSwizzle_2 .or rgbaExtendedSwizzle_3 .or + rgbaExtendedSwizzle_4; +rgbaExtendedSwizzle_1 + rgbaExtSwizComp_digit .and comma .and rgbaExtSwizComp_digit .and comma .and + rgbaExtSwizComp_digit .and comma .and rgbaExtSwizComp; +rgbaExtendedSwizzle_2 + rgbaExtSwizComp_digit .and comma .and rgbaExtSwizComp_digit .and comma .and + rgbaExtSwizComp_alpha .and comma .and rgbaExtSwizComp .error EXT_SWIZ_COMP_EXPECTED; +rgbaExtendedSwizzle_3 + rgbaExtSwizComp_digit .and comma .and rgbaExtSwizComp_alpha .and comma .and + rgbaExtSwizComp .error EXT_SWIZ_COMP_EXPECTED .and comma .and + rgbaExtSwizComp .error EXT_SWIZ_COMP_EXPECTED; +rgbaExtendedSwizzle_4 + rgbaExtSwizComp_alpha .and comma .and + rgbaExtSwizComp .error EXT_SWIZ_COMP_EXPECTED .and comma .and + rgbaExtSwizComp .error EXT_SWIZ_COMP_EXPECTED .and comma .and + rgbaExtSwizComp .error EXT_SWIZ_COMP_EXPECTED; + +/* +fragment program + <xyzwExtSwizComp> ::= <optionalSign> <xyzwExtSwizSel> +*/ +xyzwExtSwizComp + optionalSign .and xyzwExtSwizSel; + +/* +fragment program + <rgbaExtSwizComp> ::= <optionalSign> <rgbaExtSwizSel> +*/ +rgbaExtSwizComp + optionalSign .and rgbaExtSwizSel; +rgbaExtSwizComp_digit + optionalSign .and rgbaExtSwizSel_digit; +rgbaExtSwizComp_alpha + optionalSign .and rgbaExtSwizSel_alpha; + +/* +vertex program + <extSwizComp> ::= <optionalSign> <extSwizSel> +*/ +extSwizComp + optionalSign .and extSwizSel; + +/* +fragment program + <xyzwExtSwizSel> ::= "0" + | "1" + | <xyzwComponent> +*/ +xyzwExtSwizSel + "0" .emit COMPONENT_0 .or "1" .emit COMPONENT_1 .or xyzwComponent_single; + +/* +fragment program + <rgbaExtSwizSel> ::= "0" + | "1" + | <rgbaComponent> +*/ +rgbaExtSwizSel + rgbaExtSwizSel_digit .or rgbaExtSwizSel_alpha; +rgbaExtSwizSel_digit + "0" .emit COMPONENT_0 .or "1" .emit COMPONENT_1; +rgbaExtSwizSel_alpha + rgbaComponent_single; + +/* +vertex program + <extSwizSel> ::= "0" + | "1" + | <component> +*/ +extSwizSel + "0" .emit COMPONENT_0 .or "1" .emit COMPONENT_1 .or vp_component_single; + +/* +fragment program + <srcReg> ::= <fragmentAttribReg> + | <temporaryReg> + | <progParamReg> + +vertex program + <srcReg> ::= <vertexAttribReg> + | <temporaryReg> + | <progParamReg> +*/ +fp_srcReg + fp_srcReg_1 .error SOURCE_REGISTER_EXPECTED; +vp_srcReg + vp_srcReg_1 .error SOURCE_REGISTER_EXPECTED; +fp_srcReg_1 + fragmentAttribReg .emit REGISTER_ATTRIB .or + fp_progParamReg .emit REGISTER_PARAM .or + fp_temporaryReg .emit REGISTER_ESTABLISHED_NAME; +vp_srcReg_1 + vertexAttribReg .emit REGISTER_ATTRIB .or + vp_progParamReg .emit REGISTER_PARAM .or + vp_temporaryReg .emit REGISTER_ESTABLISHED_NAME; + +/* +fragment program + <dstReg> ::= <temporaryReg> + | <fragmentResultReg> + +vertex program + <dstReg> ::= <temporaryReg> + | <vertexResultReg> +*/ +fp_dstReg + fp_dstReg_1 .error DESTINATION_REGISTER_EXPECTED; +vp_dstReg + vp_dstReg_1 .error DESTINATION_REGISTER_EXPECTED; +fp_dstReg_1 + fragmentResultReg .emit REGISTER_RESULT .or + fp_temporaryReg .emit REGISTER_ESTABLISHED_NAME; +vp_dstReg_1 + vertexResultReg .emit REGISTER_RESULT .or + vp_temporaryReg .emit REGISTER_ESTABLISHED_NAME; + +/* +fragment program + <fragmentAttribReg> ::= <establishedName> + | <fragAttribBinding> + +NOTE: <establishedName> is driven by <temporaryReg> rule at the end of <srcReg> +*/ +fragmentAttribReg + /*fp_establishedName .or */fragAttribBinding; + +/* +vertex program + <vertexAttribReg> ::= <establishedName> + | <vtxAttribBinding> + +NOTE: <establishedName> is driven by <temporaryReg> rule at the end of <srcReg> +*/ +vertexAttribReg + vtxAttribBinding; + +/* + <temporaryReg> ::= <establishedName> +*/ +fp_temporaryReg + fp_establishedName_no_error_on_identifier; +vp_temporaryReg + vp_establishedName_no_error_on_identifier; + +/* +fragment program + <progParamReg> ::= <progParamSingle> + | <progParamArray> "[" <progParamArrayAbs> "]" + | <paramSingleItemUse> + +vertex program + <progParamReg> ::= <progParamSingle> + | <progParamArray> "[" <progParamArrayMem> "]" + | <paramSingleItemUse> +*/ +fp_progParamReg + fp_paramSingleItemUse .or fp_progParamReg_1 .or fp_progParamSingle; +vp_progParamReg + vp_paramSingleItemUse .or vp_progParamReg_1 .or vp_progParamSingle; +fp_progParamReg_1 + fp_progParamArray .emit PARAM_ARRAY_ELEMENT .and lbracket_ne .and progParamArrayAbs .and + rbracket; +vp_progParamReg_1 + vp_progParamArray .emit PARAM_ARRAY_ELEMENT .and lbracket_ne .and progParamArrayMem .and + rbracket; + +/* + <progParamSingle> ::= <establishedName> + +NOTE: <establishedName> is driven by <temporaryReg> rule at the end of <srcReg> +*/ +fp_progParamSingle + .false; +vp_progParamSingle + .false; + +/* + <progParamArray> ::= <establishedName> +*/ +fp_progParamArray + fp_establishedName_no_error_on_identifier; +vp_progParamArray + vp_establishedName_no_error_on_identifier; + +/* +vertex program + <progParamArrayMem> ::= <progParamArrayAbs> + | <progParamArrayRel> +*/ +progParamArrayMem + progParamArrayAbs .or progParamArrayRel; + +/* + <progParamArrayAbs> ::= <integer> +*/ +progParamArrayAbs + integer_ne .emit ARRAY_INDEX_ABSOLUTE; + +/* +vertex program + <progParamArrayRel> ::= <addrReg> <addrComponent> <addrRegRelOffset> +*/ +progParamArrayRel + addrReg .error ADDRESS_REGISTER_OR_INTEGER_EXPECTED .emit ARRAY_INDEX_RELATIVE .and + addrComponent .and addrRegRelOffset; + +/* +vertex program + <addrRegRelOffset> ::= "" + | "+" <addrRegPosOffset> + | "-" <addrRegNegOffset> +*/ +addrRegRelOffset + addrRegRelOffset_1 .or addrRegRelOffset_2 .or .true .emit 0x00; +addrRegRelOffset_1 + plus_ne .and addrRegPosOffset; +addrRegRelOffset_2 + minus_ne .and addrRegNegOffset; + +/* +vertex program + <addrRegPosOffset> ::= <integer> from 0 to 63 +*/ +addrRegPosOffset + integer_0_63; + +/* +vertex program + <addrRegNegOffset> ::= <integer> from 0 to 64 +*/ +addrRegNegOffset + integer_0_64; + +/* +fragment program + <fragmentResultReg> ::= <establishedName> + | <resultBinding> + +NOTE: <establishedName> is driven by <temporaryReg> rule at the end of <dstReg> +*/ +fragmentResultReg + fp_resultBinding; + +/* +vertex program + <vertexResultReg> ::= <establishedName> + | <resultBinding> + +NOTE: <establishedName> is driven by <temporaryReg> rule at the end of <dstReg> +*/ +vertexResultReg + vp_resultBinding; + +/* +vertex program + <addrReg> ::= <establishedName> +*/ +addrReg + vp_establishedName_no_error_on_identifier; + +/* +vertex program + <addrComponent> ::= "." "x" +*/ +addrComponent + dot .and "x" .error INVALID_ADDRESS_COMPONENT .emit COMPONENT_X .emit COMPONENT_X + .emit COMPONENT_X .emit COMPONENT_X; + +/* +vertex program + <addrWriteMask> ::= "." "x" +*/ +addrWriteMask + dot .and "x" .error INVALID_ADDRESS_WRITEMASK .emit 0x08; + +/* + <scalarSuffix> ::= "." <component> +*/ +fp_scalarSuffix + dot .and fp_component_single .error INVALID_COMPONENT; +vp_scalarSuffix + dot .and vp_component_single .error INVALID_COMPONENT; + +/* +vertex program + <swizzleSuffix> ::= "" + | "." <component> + | "." <component> <component> + <component> <component> +*/ +swizzleSuffix + swizzleSuffix_1 .or + .true .emit COMPONENT_X .emit COMPONENT_Y .emit COMPONENT_Z .emit COMPONENT_W; +swizzleSuffix_1 + dot_ne .and swizzleSuffix_2 .error INVALID_SUFFIX; +swizzleSuffix_2 + swizzleSuffix_3 .or swizzleSuffix_4; +swizzleSuffix_3 + vp_component_multi .and vp_component_multi .and vp_component_multi .error INVALID_COMPONENT .and + vp_component_multi .error INVALID_COMPONENT; +swizzleSuffix_4 + "x" .emit COMPONENT_X .emit COMPONENT_X .emit COMPONENT_X .emit COMPONENT_X .or + "y" .emit COMPONENT_Y .emit COMPONENT_Y .emit COMPONENT_Y .emit COMPONENT_Y .or + "z" .emit COMPONENT_Z .emit COMPONENT_Z .emit COMPONENT_Z .emit COMPONENT_Z .or + "w" .emit COMPONENT_W .emit COMPONENT_W .emit COMPONENT_W .emit COMPONENT_W; + +/* +fragment program + <optionalSuffix> ::= "" + | "." <component> + | "." <xyzwComponent> <xyzwComponent> + <xyzwComponent> <xyzwComponent> + | "." <rgbaComponent> <rgbaComponent> + <rgbaComponent> <rgbaComponent> +*/ +optionalSuffix + optionalSuffix_1 .or + .true .emit COMPONENT_X .emit COMPONENT_Y .emit COMPONENT_Z .emit COMPONENT_W; +optionalSuffix_1 + dot_ne .and optionalSuffix_2 .error INVALID_SUFFIX; +optionalSuffix_2 + optionalSuffix_3 .or optionalSuffix_4 .or optionalSuffix_5; +optionalSuffix_3 + xyzwComponent_multi .and xyzwComponent_multi .and + xyzwComponent_multi .error INVALID_COMPONENT .and xyzwComponent_multi .error INVALID_COMPONENT; +optionalSuffix_4 + rgbaComponent_multi .and rgbaComponent_multi .and + rgbaComponent_multi .error INVALID_COMPONENT .and rgbaComponent_multi .error INVALID_COMPONENT; +optionalSuffix_5 + "x" .emit COMPONENT_X .emit COMPONENT_X .emit COMPONENT_X .emit COMPONENT_X .or + "y" .emit COMPONENT_Y .emit COMPONENT_Y .emit COMPONENT_Y .emit COMPONENT_Y .or + "z" .emit COMPONENT_Z .emit COMPONENT_Z .emit COMPONENT_Z .emit COMPONENT_Z .or + "w" .emit COMPONENT_W .emit COMPONENT_W .emit COMPONENT_W .emit COMPONENT_W .or + "r" .emit COMPONENT_X .emit COMPONENT_X .emit COMPONENT_X .emit COMPONENT_X .or + "g" .emit COMPONENT_Y .emit COMPONENT_Y .emit COMPONENT_Y .emit COMPONENT_Y .or + "b" .emit COMPONENT_Z .emit COMPONENT_Z .emit COMPONENT_Z .emit COMPONENT_Z .or + "a" .emit COMPONENT_W .emit COMPONENT_W .emit COMPONENT_W .emit COMPONENT_W; + +/* +fragment program + <component> ::= <xyzwComponent> + | <rgbaComponent> + +vertex program + <component> ::= "x" + | "y" + | "z" + | "w" +*/ +fp_component_single + xyzwComponent_single .or rgbaComponent_single; +vp_component_multi + 'x' .emit COMPONENT_X .or 'y' .emit COMPONENT_Y .or 'z' .emit COMPONENT_Z .or + 'w' .emit COMPONENT_W; +vp_component_single + "x" .emit COMPONENT_X .or "y" .emit COMPONENT_Y .or "z" .emit COMPONENT_Z .or + "w" .emit COMPONENT_W; + +/* +fragment program + <xyzwComponent> ::= "x" | "y" | "z" | "w" +*/ +xyzwComponent_multi + 'x' .emit COMPONENT_X .or 'y' .emit COMPONENT_Y .or 'z' .emit COMPONENT_Z .or + 'w' .emit COMPONENT_W; +xyzwComponent_single + "x" .emit COMPONENT_X .or "y" .emit COMPONENT_Y .or "z" .emit COMPONENT_Z .or + "w" .emit COMPONENT_W; + +/* +fragment program + <rgbaComponent> ::= "r" | "g" | "b" | "a" +*/ +rgbaComponent_multi + 'r' .emit COMPONENT_X .or 'g' .emit COMPONENT_Y .or 'b' .emit COMPONENT_Z .or + 'a' .emit COMPONENT_W; +rgbaComponent_single + "r" .emit COMPONENT_X .or "g" .emit COMPONENT_Y .or "b" .emit COMPONENT_Z .or + "a" .emit COMPONENT_W; + +/* +fragment program + <optionalMask> ::= "" + | <xyzwMask> + | <rgbaMask> + +vertex program + <optionalMask> ::= "" + | "." "x" + | "." "y" + | "." "xy" + | "." "z" + | "." "xz" + | "." "yz" + | "." "xyz" + | "." "w" + | "." "xw" + | "." "yw" + | "." "xyw" + | "." "zw" + | "." "xzw" + | "." "yzw" + | "." "xyzw" + +NOTE: do NOT change the order of <rgbaMask> and <xyzwMask> rulez +*/ +fp_optionalMask + rgbaMask .or xyzwMask .or .true .emit 0x0F; +vp_optionalMask + xyzwMask .or .true .emit 0x0F; + +/* +fragment program + <xyzwMask> ::= "." "x" + | "." "y" + | "." "xy" + | "." "z" + | "." "xz" + | "." "yz" + | "." "xyz" + | "." "w" + | "." "xw" + | "." "yw" + | "." "xyw" + | "." "zw" + | "." "xzw" + | "." "yzw" + | "." "xyzw" + +NOTE: <xyzwMask> is also referenced by the vertex program symbol <optionalMask>. +*/ +xyzwMask + dot_ne .and xyzwMask_1 .error INVALID_WRITEMASK; +xyzwMask_1 + "xyzw" .emit 0x0F .or "xyz" .emit 0x0E .or "xyw" .emit 0x0D .or "xy" .emit 0x0C .or + "xzw" .emit 0x0B .or "xz" .emit 0x0A .or "xw" .emit 0x09 .or "x" .emit 0x08 .or + "yzw" .emit 0x07 .or "yz" .emit 0x06 .or "yw" .emit 0x05 .or "y" .emit 0x04 .or + "zw" .emit 0x03 .or "z" .emit 0x02 .or "w" .emit 0x01; + +/* +fragment program + <rgbaMask> ::= "." "r" + | "." "g" + | "." "rg" + | "." "b" + | "." "rb" + | "." "gb" + | "." "rgb" + | "." "a" + | "." "ra" + | "." "ga" + | "." "rga" + | "." "ba" + | "." "rba" + | "." "gba" + | "." "rgba" +*/ +rgbaMask + dot_ne .and rgbaMask_1; +rgbaMask_1 + "rgba" .emit 0x0F .or "rgb" .emit 0x0E .or "rga" .emit 0x0D .or "rg" .emit 0x0C .or + "rba" .emit 0x0B .or "rb" .emit 0x0A .or "ra" .emit 0x09 .or "r" .emit 0x08 .or + "gba" .emit 0x07 .or "gb" .emit 0x06 .or "ga" .emit 0x05 .or "g" .emit 0x04 .or + "ba" .emit 0x03 .or "b" .emit 0x02 .or "a" .emit 0x01; + +/* +fragment program + <namingStatement> ::= <ATTRIB_statement> + | <PARAM_statement> + | <TEMP_statement> + | <OUTPUT_statement> + | <ALIAS_statement> + +vertex program + <namingStatement> ::= <ATTRIB_statement> + | <PARAM_statement> + | <TEMP_statement> + | <ADDRESS_statement> + | <OUTPUT_statement> + | <ALIAS_statement> +*/ +fp_namingStatement + fp_ATTRIB_statement .emit ATTRIB .or + fp_PARAM_statement .emit PARAM .or + fp_TEMP_statement .emit TEMP .or + fp_OUTPUT_statement .emit OUTPUT .or + fp_ALIAS_statement .emit ALIAS; +vp_namingStatement + vp_ATTRIB_statement .emit ATTRIB .or + vp_PARAM_statement .emit PARAM .or + vp_TEMP_statement .emit TEMP .or + ADDRESS_statement .emit ADDRESS .or + vp_OUTPUT_statement .emit OUTPUT .or + vp_ALIAS_statement .emit ALIAS; + +/* +fragment program + <ATTRIB_statement> ::= "ATTRIB" <establishName> "=" + <fragAttribBinding> + +vertex program + <ATTRIB_statement> ::= "ATTRIB" <establishName> "=" + <vtxAttribBinding> +*/ +fp_ATTRIB_statement + "ATTRIB" .and space .and fp_establishName .and equal .and + fragAttribBinding .error FRAGMENT_EXPECTED; +vp_ATTRIB_statement + "ATTRIB" .and space .and vp_establishName .and equal .and + vtxAttribBinding .error VERTEX_EXPECTED; + +/* +fragment program + <fragAttribBinding> ::= "fragment" "." <fragAttribItem> +*/ +fragAttribBinding + "fragment" .and dot .and fragAttribItem .error INVALID_FRAGMENT_PROPERTY; + +/* +vertex program + <vtxAttribBinding> ::= "vertex" "." <vtxAttribItem> +*/ +vtxAttribBinding + "vertex" .and dot .and vtxAttribItem .error INVALID_VERTEX_PROPERTY; + +/* +fragment program + <fragAttribItem> ::= "color" <optColorType> + | "texcoord" <optTexCoordNum> + | "fogcoord" + | "position" +*/ +fragAttribItem + fragAttribItem_1 .emit FRAGMENT_ATTRIB_COLOR .or + fragAttribItem_2 .emit FRAGMENT_ATTRIB_TEXCOORD .or + .if (fog_coord != 0x00) "fogcoord" .emit FRAGMENT_ATTRIB_FOGCOORD .or + "position" .emit FRAGMENT_ATTRIB_POSITION; +fragAttribItem_1 + "color" .and optColorType; +fragAttribItem_2 + "texcoord" .and optTexCoordNum; + +/* +vertex program + <vtxAttribItem> ::= "position" + | "weight" <vtxOptWeightNum> + | "normal" + | "color" <optColorType> + | "fogcoord" + | "texcoord" <optTexCoordNum> + | "matrixindex" "[" <vtxWeightNum> "]" + | "attrib" "[" <vtxAttribNum> "]" +*/ +vtxAttribItem + "position" .emit VERTEX_ATTRIB_POSITION .or + .if (vertex_blend != 0x00) vtxAttribItem_1 .emit VERTEX_ATTRIB_WEIGHT .or + "normal" .emit VERTEX_ATTRIB_NORMAL .or + vtxAttribItem_2 .emit VERTEX_ATTRIB_COLOR .or + "fogcoord" .emit VERTEX_ATTRIB_FOGCOORD .or + vtxAttribItem_3 .emit VERTEX_ATTRIB_TEXCOORD .or + .if (matrix_palette != 0x00) vtxAttribItem_4 .emit VERTEX_ATTRIB_MATRIXINDEX .or + vtxAttribItem_5 .emit VERTEX_ATTRIB_GENERIC; +vtxAttribItem_1 + "weight" .and vtxOptWeightNum; +vtxAttribItem_2 + "color" .and optColorType; +vtxAttribItem_3 + "texcoord" .and optTexCoordNum; +vtxAttribItem_4 + "matrixindex" .and lbracket .and vtxWeightNum .and rbracket; +vtxAttribItem_5 + "attrib" .and lbracket .and vtxAttribNum .and rbracket; + +/* +vertex program + <vtxAttribNum> ::= <integer> from 0 to MAX_VERTEX_ATTRIBS_ARB-1 +*/ +vtxAttribNum + integer; + +/* +vertex program + <vtxOptWeightNum> ::= "" + | "[" <vtxWeightNum> "]" +*/ +vtxOptWeightNum + vtxOptWeightNum_1 .or .true .emit 0x00; +vtxOptWeightNum_1 + lbracket_ne .and vtxWeightNum .and rbracket; + +/* +vertex program + <vtxWeightNum> ::= <integer> from 0 to MAX_VERTEX_UNITS_ARB-1, + must be divisible by four +*/ +vtxWeightNum + integer; + +/* + <PARAM_statement> ::= <PARAM_singleStmt> + | <PARAM_multipleStmt> +*/ +fp_PARAM_statement + fp_PARAM_multipleStmt .or fp_PARAM_singleStmt; +vp_PARAM_statement + vp_PARAM_multipleStmt .or vp_PARAM_singleStmt; + +/* + <PARAM_singleStmt> ::= "PARAM" <establishName> <paramSingleInit> +*/ +fp_PARAM_singleStmt + "PARAM" .and space .and fp_establishName .and .true .emit 0x00 .and fp_paramSingleInit .and + .true .emit PARAM_NULL; +vp_PARAM_singleStmt + "PARAM" .and space .and vp_establishName .and .true .emit 0x00 .and vp_paramSingleInit .and + .true .emit PARAM_NULL; + +/* + <PARAM_multipleStmt> ::= "PARAM" <establishName> "[" <optArraySize> "]" + <paramMultipleInit> +*/ +fp_PARAM_multipleStmt + "PARAM" .and space .and fp_establishName .and lbracket_ne .and optArraySize .and rbracket .and + fp_paramMultipleInit .and .true .emit PARAM_NULL; +vp_PARAM_multipleStmt + "PARAM" .and space .and vp_establishName .and lbracket_ne .and optArraySize .and rbracket .and + vp_paramMultipleInit .and .true .emit PARAM_NULL; + +/* + <optArraySize> ::= "" + | <integer> from 1 to MAX_PROGRAM_PARAMETERS_ARB + (maximum number of allowed program + parameter bindings) +*/ +optArraySize + optional_integer; + +/* + <paramSingleInit> ::= "=" <paramSingleItemDecl> +*/ +fp_paramSingleInit + equal .and fp_paramSingleItemDecl; +vp_paramSingleInit + equal .and vp_paramSingleItemDecl; + +/* + <paramMultipleInit> ::= "=" "{" <paramMultInitList> "}" +*/ +fp_paramMultipleInit + equal .and lbrace .and fp_paramMultInitList .and rbrace; +vp_paramMultipleInit + equal .and lbrace .and vp_paramMultInitList .and rbrace; + +/* + <paramMultInitList> ::= <paramMultipleItem> + | <paramMultipleItem> "," <paramMultiInitList> +*/ +fp_paramMultInitList + fp_paramMultInitList_1 .or fp_paramMultipleItem; +vp_paramMultInitList + vp_paramMultInitList_1 .or vp_paramMultipleItem; +fp_paramMultInitList_1 + fp_paramMultipleItem .and comma_ne .and fp_paramMultInitList; +vp_paramMultInitList_1 + vp_paramMultipleItem .and comma_ne .and vp_paramMultInitList; + +/* + <paramSingleItemDecl> ::= <stateSingleItem> + | <programSingleItem> + | <paramConstDecl> +*/ +fp_paramSingleItemDecl + fp_stateSingleItem .emit PARAM_STATE_ELEMENT .or + programSingleItem .emit PARAM_PROGRAM_ELEMENT .or + paramConstDecl .emit PARAM_CONSTANT; +vp_paramSingleItemDecl + vp_stateSingleItem .emit PARAM_STATE_ELEMENT .or + programSingleItem .emit PARAM_PROGRAM_ELEMENT .or + paramConstDecl .emit PARAM_CONSTANT; + +/* + <paramSingleItemUse> ::= <stateSingleItem> + | <programSingleItem> + | <paramConstUse> +*/ +fp_paramSingleItemUse + fp_stateSingleItem .emit PARAM_STATE_ELEMENT .or + programSingleItem .emit PARAM_PROGRAM_ELEMENT .or + paramConstUse .emit PARAM_CONSTANT; +vp_paramSingleItemUse + vp_stateSingleItem .emit PARAM_STATE_ELEMENT .or + programSingleItem .emit PARAM_PROGRAM_ELEMENT .or + paramConstUse .emit PARAM_CONSTANT; + +/* + <paramMultipleItem> ::= <stateMultipleItem> + | <programMultipleItem> + | <paramConstDecl> +*/ +fp_paramMultipleItem + fp_stateMultipleItem .emit PARAM_STATE_ELEMENT .or + programMultipleItem .emit PARAM_PROGRAM_ELEMENT .or + paramConstDecl .emit PARAM_CONSTANT; +vp_paramMultipleItem + vp_stateMultipleItem .emit PARAM_STATE_ELEMENT .or + programMultipleItem .emit PARAM_PROGRAM_ELEMENT .or + paramConstDecl .emit PARAM_CONSTANT; + +/* + <stateMultipleItem> ::= <stateSingleItem> + | "state" "." <stateMatrixRows> +*/ +fp_stateMultipleItem + stateMultipleItem_1 .or fp_stateSingleItem; +vp_stateMultipleItem + stateMultipleItem_1 .or vp_stateSingleItem; +stateMultipleItem_1 + "state" .and dot .and stateMatrixRows .emit STATE_MATRIX_ROWS; + +/* +fragment program + <stateSingleItem> ::= "state" "." <stateMaterialItem> + | "state" "." <stateLightItem> + | "state" "." <stateLightModelItem> + | "state" "." <stateLightProdItem> + | "state" "." <stateTexEnvItem> + | "state" "." <stateFogItem> + | "state" "." <stateDepthItem> + | "state" "." <stateMatrixRow> + +vertex program + <stateSingleItem> ::= "state" "." <stateMaterialItem> + | "state" "." <stateLightItem> + | "state" "." <stateLightModelItem> + | "state" "." <stateLightProdItem> + | "state" "." <stateTexGenItem> + | "state" "." <stateFogItem> + | "state" "." <stateClipPlaneItem> + | "state" "." <statePointItem> + | "state" "." <stateMatrixRow> +*/ +fp_stateSingleItem + "state" .and dot .and fp_stateSingleItem_1 .error INVALID_STATE_PROPERTY; +vp_stateSingleItem + "state" .and dot .and vp_stateSingleItem_1 .error INVALID_STATE_PROPERTY; +fp_stateSingleItem_1 + stateSingleItem_1 .or stateSingleItem_2 .or stateSingleItem_3 .or stateSingleItem_4 .or + stateSingleItem_5 .or stateSingleItem_7 .or stateSingleItem_8 .or stateSingleItem_11; +vp_stateSingleItem_1 + stateSingleItem_1 .or stateSingleItem_2 .or stateSingleItem_3 .or stateSingleItem_4 .or + stateSingleItem_6 .or stateSingleItem_7 .or stateSingleItem_9 .or stateSingleItem_10 .or + stateSingleItem_11; +stateSingleItem_1 + stateMaterialItem .emit STATE_MATERIAL; +stateSingleItem_2 + stateLightItem .emit STATE_LIGHT; +stateSingleItem_3 + stateLightModelItem .emit STATE_LIGHT_MODEL; +stateSingleItem_4 + stateLightProdItem .emit STATE_LIGHT_PROD; +stateSingleItem_5 + stateTexEnvItem .emit STATE_TEX_ENV; +stateSingleItem_6 + stateTexGenItem .emit STATE_TEX_GEN; +stateSingleItem_7 + stateFogItem .emit STATE_FOG; +stateSingleItem_8 + stateDepthItem .emit STATE_DEPTH; +stateSingleItem_9 + stateClipPlaneItem .emit STATE_CLIP_PLANE; +stateSingleItem_10 + statePointItem .emit STATE_POINT; +stateSingleItem_11 + stateMatrixRow .emit STATE_MATRIX_ROWS; + +/* + <stateMaterialItem> ::= "material" <optFaceType> "." <stateMatProperty> +*/ +stateMaterialItem + "material" .and optFaceType .and dot .and stateMatProperty .error INVALID_MATERIAL_PROPERTY; + +/* + <stateMatProperty> ::= "ambient" + | "diffuse" + | "specular" + | "emission" + | "shininess" +*/ +stateMatProperty + "ambient" .emit MATERIAL_AMBIENT .or + "diffuse" .emit MATERIAL_DIFFUSE .or + "specular" .emit MATERIAL_SPECULAR .or + "emission" .emit MATERIAL_EMISSION .or + "shininess" .emit MATERIAL_SHININESS; + +/* + <stateLightItem> ::= "light" "[" <stateLightNumber> "]" "." + <stateLightProperty> +*/ +stateLightItem + "light" .and lbracket .and stateLightNumber .and rbracket .and dot .and + stateLightProperty .error INVALID_LIGHT_PROPERTY; + +/* + <stateLightProperty> ::= "ambient" + | "diffuse" + | "specular" + | "position" + | "attenuation" + | "spot" "." <stateSpotProperty> + | "half" +*/ +stateLightProperty + "ambient" .emit LIGHT_AMBIENT .or + "diffuse" .emit LIGHT_DIFFUSE .or + "specular" .emit LIGHT_SPECULAR .or + "position" .emit LIGHT_POSITION .or + "attenuation" .emit LIGHT_ATTENUATION .or + stateLightProperty_1 .emit LIGHT_SPOT_DIRECTION .or + "half" .emit LIGHT_HALF; +stateLightProperty_1 + "spot" .and dot .and stateSpotProperty .error INVALID_SPOT_PROPERTY; + +/* + <stateSpotProperty> ::= "direction" +*/ +stateSpotProperty + "direction"; + +/* + <stateLightModelItem> ::= "lightmodel" <stateLModProperty> +*/ +stateLightModelItem + "lightmodel" .and stateLModProperty .error INVALID_LIGHTMODEL_PROPERTY; + +/* + <stateLModProperty> ::= "." "ambient" + | <optFaceType> "." "scenecolor" +*/ +stateLModProperty + stateLModProperty_1 .or stateLModProperty_2; +stateLModProperty_1 + dot .and "ambient" .emit LIGHT_MODEL_AMBIENT; +stateLModProperty_2 + stateLModProperty_3 .emit LIGHT_MODEL_SCENECOLOR; +stateLModProperty_3 + optFaceType .and dot .and "scenecolor"; + +/* + <stateLightProdItem> ::= "lightprod" "[" <stateLightNumber> "]" + <optFaceType> "." <stateLProdProperty> +*/ +stateLightProdItem + "lightprod" .and lbracket .and stateLightNumber .and rbracket .and optFaceType .and dot .and + stateLProdProperty .error INVALID_LIGHTPROD_PROPERTY; + +/* + <stateLProdProperty> ::= "ambient" + | "diffuse" + | "specular" +*/ +stateLProdProperty + "ambient" .emit LIGHT_PROD_AMBIENT .or + "diffuse" .emit LIGHT_PROD_DIFFUSE .or + "specular" .emit LIGHT_PROD_SPECULAR; + +/* + <stateLightNumber> ::= <integer> from 0 to MAX_LIGHTS-1 +*/ +stateLightNumber + integer; + +/* +fragment program + <stateTexEnvItem> ::= "texenv" <optLegacyTexUnitNum> "." + <stateTexEnvProperty> +*/ +stateTexEnvItem + "texenv" .and optLegacyTexUnitNum .and dot .and + stateTexEnvProperty .error INVALID_TEXENV_PROPERTY; + +/* +fragment program + <stateTexEnvProperty> ::= "color" +*/ +stateTexEnvProperty + "color" .emit TEX_ENV_COLOR; + +/* +fragment program + <optLegacyTexUnitNum> ::= "" + | "[" <legacyTexUnitNum> "]" + +NOTE: <optLegaceTexUnitNum> is not optional. +*/ +optLegacyTexUnitNum + lbracket_ne .and legacyTexUnitNum .and rbracket; + +/* +fragment program + <legacyTexUnitNum> ::= <integer> from 0 to MAX_TEXTURE_UNITS-1 +*/ +legacyTexUnitNum + integer; + +/* +vertex program + <stateTexGenItem> ::= "texgen" <optTexCoordNum> "." + <stateTexGenType> "." <stateTexGenCoord> +*/ +stateTexGenItem + "texgen" .and optTexCoordNum .and dot .and stateTexGenType .error INVALID_TEXGEN_PROPERTY .and + dot .and stateTexGenCoord .error INVALID_TEXGEN_COORD; + +/* +vertex program + <stateTexGenType> ::= "eye" + | "object" +*/ +stateTexGenType + "eye" .emit TEX_GEN_EYE .or + "object" .emit TEX_GEN_OBJECT; + +/* +vertex program + <stateTexGenCoord> ::= "s" + | "t" + | "r" + | "q" +*/ +stateTexGenCoord + "s" .emit COMPONENT_X .or + "t" .emit COMPONENT_Y .or + "r" .emit COMPONENT_Z .or + "q" .emit COMPONENT_W; + +/* + <stateFogItem> ::= "fog" "." <stateFogProperty> +*/ +stateFogItem + "fog" .and dot .and stateFogProperty .error INVALID_FOG_PROPERTY; + +/* + <stateFogProperty> ::= "color" + | "params" +*/ +stateFogProperty + "color" .emit FOG_COLOR .or + "params" .emit FOG_PARAMS; + +/* +fragment program + <stateDepthItem> ::= "depth" "." <stateDepthProperty> +*/ +stateDepthItem + "depth" .and dot .and stateDepthProperty .error INVALID_DEPTH_PROPERTY; + +/* +fragment program + <stateDepthProperty> ::= "range" +*/ +stateDepthProperty + "range" .emit DEPTH_RANGE; + +/* +vertex program + <stateClipPlaneItem> ::= "clip" "[" <stateClipPlaneNum> "]" "." "plane" +*/ +stateClipPlaneItem + "clip" .and lbracket .and stateClipPlaneNum .and rbracket .and dot .and + "plane" .error INVALID_CLIPPLANE_PROPERTY; + +/* +vertex program + <stateClipPlaneNum> ::= <integer> from 0 to MAX_CLIP_PLANES-1 +*/ +stateClipPlaneNum + integer; + +/* +vertex program + <statePointItem> ::= "point" "." <statePointProperty> +*/ +statePointItem + "point" .and dot .and statePointProperty .error INVALID_POINT_PROPERTY; + +/* +vertex program + <statePointProperty> ::= "size" + | "attenuation" +*/ +statePointProperty + "size" .emit POINT_SIZE .or + .if (point_parameters != 0x00) "attenuation" .emit POINT_ATTENUATION; + +/* + <stateMatrixRow> ::= <stateMatrixItem> "." "row" "[" + <stateMatrixRowNum> "]" +*/ +stateMatrixRow + stateMatrixItem .and dot .and "row" .error MATRIX_ROW_SELECTOR_OR_MODIFIER_EXPECTED .and + lbracket .and stateMatrixRowNum .and rbracket .emit 0x0; + +/* + <stateMatrixRows> ::= <stateMatrixItem> <optMatrixRows> +*/ +stateMatrixRows + stateMatrixItem .and optMatrixRows; + +/* + <optMatrixRows> ::= "" + | "." "row" "[" <stateMatrixRowNum> ".." + <stateMatrixRowNum> "]" +*/ +optMatrixRows + optMatrixRows_1 .or .true .emit 0x0 .emit '3' .emit 0x0 .emit $; +optMatrixRows_1 + dot_ne .and "row" .error MATRIX_ROW_SELECTOR_OR_MODIFIER_EXPECTED .and lbracket .and + stateMatrixRowNum .and dotdot .and stateMatrixRowNum .and rbracket; + +/* + <stateMatrixItem> ::= "matrix" "." <stateMatrixName> + <stateOptMatModifier> +*/ +stateMatrixItem + "matrix" .and dot .and stateMatrixName .error INVALID_MATRIX_NAME .and stateOptMatModifier; + +/* + <stateOptMatModifier> ::= "" + | "." <stateMatModifier> +*/ +stateOptMatModifier + stateOptMatModifier_1 .or .true .emit MATRIX_MODIFIER_IDENTITY; +stateOptMatModifier_1 + dot_ne .and stateMatModifier; + +/* + <stateMatModifier> ::= "inverse" + | "transpose" + | "invtrans" +*/ +stateMatModifier + "inverse" .emit MATRIX_MODIFIER_INVERSE .or + "transpose" .emit MATRIX_MODIFIER_TRANSPOSE .or + "invtrans" .emit MATRIX_MODIFIER_INVTRANS; + +/* + <stateMatrixRowNum> ::= <integer> from 0 to 3 +*/ +stateMatrixRowNum + integer_0_3; + +/* + <stateMatrixName> ::= "modelview" <stateOptModMatNum> + | "projection" + | "mvp" + | "texture" <optTexCoordNum> + | "palette" "[" <statePaletteMatNum> "]" + | "program" "[" <stateProgramMatNum> "]" +*/ +stateMatrixName + stateMatrixName_1_1 .emit MATRIX_MODELVIEW .or + "projection" .emit MATRIX_PROJECTION .or + "mvp" .emit MATRIX_MVP .or + stateMatrixName_1_2 .emit MATRIX_TEXTURE .or + .if (matrix_palette != 0x00) stateMatrixName_1_3 .emit MATRIX_PALETTE .or + stateMatrixName_1_4 .emit MATRIX_PROGRAM; +stateMatrixName_1_1 + "modelview" .and stateOptModMatNum; +stateMatrixName_1_2 + "texture" .and optTexCoordNum; +stateMatrixName_1_3 + "palette" .and lbracket .and statePaletteMatNum .and rbracket; +stateMatrixName_1_4 + "program" .and lbracket .and stateProgramMatNum .and rbracket; + +/* + <stateOptModMatNum> ::= "" + | "[" <stateModMatNum> "]" +*/ +stateOptModMatNum + .if (vertex_blend != 0x00) stateOptModMatNum_1 .or + .true .emit 0x00; +stateOptModMatNum_1 + lbracket_ne .and stateModMatNum .and rbracket; + +/* + <stateModMatNum> ::= <integer> from 0 to MAX_VERTEX_UNITS_ARB-1 +*/ +stateModMatNum + integer; + +/* + <optTexCoordNum> ::= "" + | "[" <texCoordNum> "]" +*/ +optTexCoordNum + optTexCoordNum_1 .or .true .emit 0x00; +optTexCoordNum_1 + lbracket_ne .and texCoordNum .and rbracket; + +/* + <texCoordNum> ::= <integer> from 0 to MAX_TEXTURE_COORDS_ARB-1 +*/ +texCoordNum + integer; + +/* + <statePaletteMatNum> ::= <integer> from 0 to MAX_PALETTE_MATRICES_ARB-1 +*/ +statePaletteMatNum + integer; + +/* + <stateProgramMatNum> ::= <integer> from 0 to MAX_PROGRAM_MATRICES_ARB-1 +*/ +stateProgramMatNum + integer; + +/* + <programSingleItem> ::= <progEnvParam> + | <progLocalParam> + +NOTE: <programSingleItem> has been modified for correct error handling. If program property + is neither "env" nor "local" INVALID_PROGRAM_PROPERTY is generated. +*/ +programSingleItem + "program" .and dot .and programSingleItem_1 .error INVALID_PROGRAM_PROPERTY; +programSingleItem_1 + progEnvParam .or progLocalParam; + +/* + <programMultipleItem> ::= <progEnvParams> + | <progLocalParams> + +NOTE: <programMultipleItem> has been modified for correct error handling. If program property + is neither "env" nor "local" INVALID_PROGRAM_PROPERTY is generated. +*/ +programMultipleItem + "program" .and dot .and programMultipleItem_1 .error INVALID_PROGRAM_PROPERTY; +programMultipleItem_1 + progEnvParams .or progLocalParams; + +/* + <progEnvParams> ::= "program" "." "env" + "[" <progEnvParamNums> "]" + +NOTE: "program" "." has been moved to <programMultipleItem>. +*/ +progEnvParams + "env" .emit PROGRAM_PARAM_ENV .and lbracket .and progEnvParamNums .and rbracket; + +/* + <progEnvParamNums> ::= <progEnvParamNum> + | <progEnvParamNum> ".." <progEnvParamNum> +*/ +progEnvParamNums + progEnvParamNums_1 .or progEnvParamNums_2; +progEnvParamNums_1 + progEnvParamNum .and dotdot_ne .and progEnvParamNum; +progEnvParamNums_2 + progEnvParamNum .and .true .emit 0x00; + +/* + <progEnvParam> ::= "program" "." "env" + "[" <progEnvParamNum> "]" + +NOTE: "program" "." has been moved to <programSingleItem>. +*/ +progEnvParam + "env" .emit PROGRAM_PARAM_ENV .and lbracket .and progEnvParamNum .and rbracket .emit 0x00; + +/* + <progLocalParams> ::= "program" "." "local" + "[" <progLocalParamNums> "]" + +NOTE: "program" "." has been moved to <programMultipleItem>. +*/ +progLocalParams + "local" .emit PROGRAM_PARAM_LOCAL .and lbracket .and progLocalParamNums .and rbracket; + +/* + <progLocalParamNums> ::= <progLocalParamNum> + | <progLocalParamNum> ".." <progLocalParamNum> +*/ +progLocalParamNums + progLocalParamNums_1 .or progLocalParamNums_2; +progLocalParamNums_1 + progLocalParamNum .and dotdot_ne .and progLocalParamNum; +progLocalParamNums_2 + progLocalParamNum .and .true .emit 0x00; + +/* + <progLocalParam> ::= "program" "." "local" + "[" <progLocalParamNum> "]" + +NOTE: "program" "." has been moved to <programSingleItem>. +*/ +progLocalParam + "local" .emit PROGRAM_PARAM_LOCAL .and lbracket .and progLocalParamNum .and rbracket .emit 0x00; + +/* + <progEnvParamNum> ::= <integer> from 0 to + MAX_PROGRAM_ENV_PARAMETERS_ARB - 1 +*/ +progEnvParamNum + integer; + +/* + <progLocalParamNum> ::= <integer> from 0 to + MAX_PROGRAM_LOCAL_PARAMETERS_ARB - 1 +*/ +progLocalParamNum + integer; + +/* + <paramConstDecl> ::= <paramConstScalarDecl> + | <paramConstVector> +*/ +paramConstDecl + paramConstScalarDecl .emit CONSTANT_SCALAR .or paramConstVector .emit CONSTANT_VECTOR; + +/* + <paramConstUse> ::= <paramConstScalarUse> + | <paramConstVector> +*/ +paramConstUse + paramConstScalarUse .emit CONSTANT_SCALAR .or paramConstVector .emit CONSTANT_VECTOR; + +/* + <paramConstScalarDecl> ::= <signedFloatConstant> +*/ +paramConstScalarDecl + signedFloatConstant; + +/* + <paramConstScalarUse> ::= <floatConstant> +*/ +paramConstScalarUse + floatConstant; + +/* + <paramConstVector> ::= "{" <signedFloatConstant> "}" + | "{" <signedFloatConstant> "," + <signedFloatConstant> "}" + | "{" <signedFloatConstant> "," + <signedFloatConstant> "," + <signedFloatConstant> "}" + | "{" <signedFloatConstant> "," + <signedFloatConstant> "," + <signedFloatConstant> "," + <signedFloatConstant> "}" +*/ +paramConstVector + paramConstVector_4 .emit 0x04 .or paramConstVector_3 .emit 0x03 .or + paramConstVector_2 .emit 0x02 .or paramConstVector_1 .emit 0x01; +paramConstVector_1 + lbrace_ne .and signedFloatConstant .and rbrace; +paramConstVector_2 + lbrace_ne .and signedFloatConstant .and comma_ne .and signedFloatConstant .and rbrace; +paramConstVector_3 + lbrace_ne .and signedFloatConstant .and comma_ne .and signedFloatConstant .and comma_ne .and + signedFloatConstant .and rbrace; +paramConstVector_4 + lbrace_ne .and signedFloatConstant .and comma_ne .and signedFloatConstant .and comma_ne .and + signedFloatConstant .and comma_ne .and signedFloatConstant .and rbrace; + +/* + <signedFloatConstant> ::= <optionalSign> <floatConstant> +*/ +signedFloatConstant + optionalSign .and floatConstant; + +/* + <floatConstant> ::= see text + The <floatConstant> rule matches a floating-point constant consisting + of an integer part, a decimal point, a fraction part, an "e" or + "E", and an optionally signed integer exponent. The integer and + fraction parts both consist of a sequence of one or more digits ("0" + through "9"). Either the integer part or the fraction parts (not + both) may be missing; either the decimal point or the "e" (or "E") + and the exponent (not both) may be missing. +*/ +floatConstant + float; + +/* + <optionalSign> ::= "" + | "-" + | "+" +*/ +optionalSign + optional_sign_ne; + +/* + <TEMP_statement> ::= "TEMP" <varNameList> +*/ +fp_TEMP_statement + "TEMP" .and space .and fp_varNameList .and .true .emit 0x00; +vp_TEMP_statement + "TEMP" .and space .and vp_varNameList .and .true .emit 0x00; + +/* +vertex program + <ADDRESS_statement> ::= "ADDRESS" <varNameList> +*/ +ADDRESS_statement + "ADDRESS" .and space .and vp_varNameList .and .true .emit 0x00; + +/* + <varNameList> ::= <establishName> + | <establishName> "," <varNameList> +*/ +fp_varNameList + fp_varNameList_1 .or fp_establishName; +vp_varNameList + vp_varNameList_1 .or vp_establishName; +fp_varNameList_1 + fp_establishName .and comma_ne .and fp_varNameList; +vp_varNameList_1 + vp_establishName .and comma_ne .and vp_varNameList; + +/* + <OUTPUT_statement> ::= "OUTPUT" <establishName> "=" + <resultBinding> +*/ +fp_OUTPUT_statement + "OUTPUT" .and space .and fp_establishName .and equal .and + fp_resultBinding .error RESULT_EXPECTED; +vp_OUTPUT_statement + "OUTPUT" .and space .and vp_establishName .and equal .and + vp_resultBinding .error RESULT_EXPECTED; + +/* +fragment program + <resultBinding> ::= "result" "." "color" + | "result" "." "color" <optOutputColorNum> (if option ARB_draw_buffers present) + | "result" "." "depth" + +vertex program + <resultBinding> ::= "result" "." "position" + | "result" "." <resultColBinding> + | "result" "." "fogcoord" + | "result" "." "pointsize" + | "result" "." "texcoord" <optTexCoordNum> +*/ +fp_resultBinding + "result" .and dot .and fp_resultBinding_1 .error INVALID_RESULT_PROPERTY; +vp_resultBinding + "result" .and dot .and vp_resultBinding_1 .error INVALID_RESULT_PROPERTY; +fp_resultBinding_1 + fp_resultBinding_2 .emit FRAGMENT_RESULT_COLOR .or + "depth" .emit FRAGMENT_RESULT_DEPTH; +fp_resultBinding_2 + "color" .and optOutputColorNum; +vp_resultBinding_1 + .if (ARB_position_invariant == 0x00) "position" .emit VERTEX_RESULT_POSITION .or + resultColBinding .emit VERTEX_RESULT_COLOR .or + "fogcoord" .emit VERTEX_RESULT_FOGCOORD .or + "pointsize" .emit VERTEX_RESULT_POINTSIZE .or + vp_resultBinding_2 .emit VERTEX_RESULT_TEXCOORD; +vp_resultBinding_2 + "texcoord" .and optTexCoordNum; + +/* +GL_ARB_draw_buffers + <optOutputColorNum> ::= "" + | "[" <outputColorNum> "]" +*/ +optOutputColorNum + .if (ARB_draw_buffers != 0x00) optOutputColorNum_1 .or .true .emit 0x00; +optOutputColorNum_1 + lbracket_ne .and outputColorNum .and rbracket; + +/* +GL_ARB_draw_buffers + <outputColorNum> ::= <integer> from 0 to MAX_DRAW_BUFFERS_ARB-1 +*/ +outputColorNum + integer; + +/* +vertex program + <resultColBinding> ::= "color" <optFaceType> <optColorType> +*/ +resultColBinding + "color" .and optFaceType .and optColorType; + +/* + <optFaceType> ::= "" + | "." "front" + | "." "back" +*/ +optFaceType + FaceType .or .true .emit FACE_FRONT; +FaceType + dot_ne .and FaceProperty; +FaceProperty + "front" .emit FACE_FRONT .or "back" .emit FACE_BACK; + +/* + <optColorType> ::= "" + | "." "primary" + | "." "secondary" +*/ +optColorType + ColorType .or .true .emit COLOR_PRIMARY; +ColorType + dot_ne .and ColorProperty; +ColorProperty + "primary" .emit COLOR_PRIMARY .or + .if (secondary_color != 0x00) "secondary" .emit COLOR_SECONDARY; + +/* + <ALIAS_statement> ::= "ALIAS" <establishName> "=" + <establishedName> +*/ +fp_ALIAS_statement + "ALIAS" .and fp_ALIAS_statement_1 .error IDENTIFIER_EXPECTED .and equal .and fp_establishedName; +vp_ALIAS_statement + "ALIAS" .and vp_ALIAS_statement_1 .error IDENTIFIER_EXPECTED .and equal .and vp_establishedName; +fp_ALIAS_statement_1 + space .and fp_establishName; +vp_ALIAS_statement_1 + space .and vp_establishName; + +/* + <establishName> ::= <identifier> +*/ +fp_establishName + fp_identifier; +vp_establishName + vp_identifier; + +/* + <establishedName> ::= <identifier> +*/ +fp_establishedName + fp_identifier; +vp_establishedName + vp_identifier; +fp_establishedName_no_error_on_identifier + fp_identifier_ne; +vp_establishedName_no_error_on_identifier + vp_identifier_ne; + +/* +fragment program + <identifier> ::= see text + The <identifier> rule matches a sequence of one or more letters ("A" + through "Z", "a" through "z"), digits ("0" through "9), underscores + ("_"), or dollar signs ("$"); the first character must not be a + number. Upper and lower case letters are considered different + (names are case-sensitive). The following strings are reserved + keywords and may not be used as identifiers: + + ABS, ABS_SAT, ADD, ADD_SAT, ALIAS, ATTRIB, CMP, CMP_SAT, COS, + COS_SAT, DP3, DP3_SAT, DP4, DP4_SAT, DPH, DPH_SAT, DST, DST_SAT, + END, EX2, EX2_SAT, FLR, FLR_SAT, FRC, FRC_SAT, KIL, LG2, + LG2_SAT, LIT, LIT_SAT, LRP, LRP_SAT, MAD, MAD_SAT, MAX, MAX_SAT, + MIN, MIN_SAT, MOV, MOV_SAT, MUL, MUL_SAT, OPTION, OUTPUT, PARAM, + POW, POW_SAT, RCP, RCP_SAT, RSQ, RSQ_SAT, SIN, SIN_SAT, SCS, + SCS_SAT, SGE, SGE_SAT, SLT, SLT_SAT, SUB, SUB_SAT, SWZ, SWZ_SAT, + TEMP, TEX, TEX_SAT, TXB, TXB_SAT, TXP, TXP_SAT, XPD, XPD_SAT, + fragment, program, result, state, and texture. + +vertex program + <identifier> ::= see text + The <identifier> rule matches a sequence of one or more letters ("A" + through "Z", "a" through "z"), digits ("0" through "9), underscores ("_"), + or dollar signs ("$"); the first character must not be a number. Upper + and lower case letters are considered different (names are + case-sensitive). The following strings are reserved keywords and may not + be used as identifiers: + + ABS, ADD, ADDRESS, ALIAS, ARL, ATTRIB, DP3, DP4, DPH, DST, END, EX2, + EXP, FLR, FRC, LG2, LIT, LOG, MAD, MAX, MIN, MOV, MUL, OPTION, OUTPUT, + PARAM, POW, RCP, RSQ, SGE, SLT, SUB, SWZ, TEMP, XPD, program, result, + state, and vertex. +*/ +fp_identifier + fp_identifier_ne .error IDENTIFIER_EXPECTED; +vp_identifier + vp_identifier_ne .error IDENTIFIER_EXPECTED; +fp_identifier_ne + fp_not_reserved_identifier .and identifier_ne; +vp_identifier_ne + vp_not_reserved_identifier .and identifier_ne; + +fp_not_reserved_identifier + fp_not_reserved_identifier_1 .or .true; +fp_not_reserved_identifier_1 + fp_reserved_identifier .and .false .error RESERVED_KEYWORD; +vp_not_reserved_identifier + vp_not_reserved_identifier_1 .or .true; +vp_not_reserved_identifier_1 + vp_reserved_identifier .and .false .error RESERVED_KEYWORD; + +fp_reserved_identifier + "ABS" .or "ABS_SAT" .or "ADD" .or "ADD_SAT" .or "ALIAS" .or "ATTRIB" .or "CMP" .or "CMP_SAT" .or + "COS" .or "COS_SAT" .or "DP3" .or "DP3_SAT" .or "DP4" .or "DP4_SAT" .or "DPH" .or "DPH_SAT" .or + "DST" .or "DST_SAT" .or "END" .or "EX2" .or "EX2_SAT" .or "FLR" .or "FLR_SAT" .or "FRC" .or + "FRC_SAT" .or "KIL" .or "LG2" .or "LG2_SAT" .or "LIT" .or "LIT_SAT" .or "LRP" .or "LRP_SAT" .or + "MAD" .or "MAD_SAT" .or "MAX" .or "MAX_SAT" .or "MIN" .or "MIN_SAT" .or "MOV" .or "MOV_SAT" .or + "MUL" .or "MUL_SAT" .or "OPTION" .or "OUTPUT" .or "PARAM" .or "POW" .or "POW_SAT" .or "RCP" .or + "RCP_SAT" .or "RSQ" .or "RSQ_SAT" .or "SIN" .or "SIN_SAT" .or "SCS" .or "SCS_SAT" .or "SGE" .or + "SGE_SAT" .or "SLT" .or "SLT_SAT" .or "SUB" .or "SUB_SAT" .or "SWZ" .or "SWZ_SAT" .or "TEMP" .or + "TEX" .or "TEX_SAT" .or "TXB" .or "TXB_SAT" .or "TXP" .or "TXP_SAT" .or "XPD" .or "XPD_SAT" .or + "fragment" .or "program" .or "result" .or "state" .or "texture"; +vp_reserved_identifier + "ABS" .or "ADD" .or "ADDRESS" .or "ALIAS" .or "ARL" .or "ATTRIB" .or "DP3" .or "DP4" .or + "DPH" .or "DST" .or "END" .or "EX2" .or "EXP" .or "FLR" .or "FRC" .or "LG2" .or "LIT" .or + "LOG" .or "MAD" .or "MAX" .or "MIN" .or "MOV" .or "MUL" .or "OPTION" .or "OUTPUT" .or + "PARAM" .or "POW" .or "RCP" .or "RSQ" .or "SGE" .or "SLT" .or "SUB" .or "SWZ" .or "TEMP" .or + "XPD" .or "program" .or "result" .or "state" .or "vertex"; + +/* + The <integer> rule matches an integer constant. The integer consists + of a sequence of one or more digits ("0" through "9"). +*/ +integer + integer_ne .error INTEGER_EXPECTED; + +zero + '0'; + +leading_zeroes + .loop zero; + +no_digit + no_digit_1 .or .true; +no_digit_1 + digit10 .and .false .error INTEGER_OUT_OF_RANGE; + +all_zeroes + all_zeroes_1 .or no_digit_1; +all_zeroes_1 + '0' .and .loop zero .and no_digit; + +integer_0_3 + integer_0_3_1 .error INTEGER_EXPECTED .and .true .emit 0x00 .emit $; +integer_0_3_1 + integer_0_3_2 .or all_zeroes .emit '0'; +integer_0_3_2 /* [1, 3] */ + leading_zeroes .and '1'-'3' .emit * .and no_digit; + +integer_0_63 + integer_0_63_1 .error INTEGER_EXPECTED .and .true .emit 0x00 .emit $; +integer_0_63_1 + integer_0_63_2 .or integer_0_63_3 .or integer_0_63_4 .or integer_0_63_5 .or + all_zeroes .emit '0'; +integer_0_63_2 /* [7, 9] */ + leading_zeroes .and '7'-'9' .emit * .and no_digit; +integer_0_63_3 /* [10, 59] */ + leading_zeroes .and '1'-'5' .emit * .and '0'-'9' .emit * .and no_digit; +integer_0_63_4 /* [60, 63] */ + leading_zeroes .and '6' .emit * .and '0'-'3' .emit * .and no_digit; +integer_0_63_5 /* [1, 6] */ + leading_zeroes .and '1'-'6' .emit * .and no_digit; + +integer_0_64 + integer_0_64_1 .error INTEGER_EXPECTED .and .true .emit 0x00 .emit $; +integer_0_64_1 + integer_0_64_2 .or integer_0_64_3 .or integer_0_64_4 .or integer_0_64_5 .or + all_zeroes .emit '0'; +integer_0_64_2 /* [7, 9] */ + leading_zeroes .and '7'-'9' .emit * .and no_digit; +integer_0_64_3 /* [10, 59] */ + leading_zeroes .and '1'-'5' .emit * .and '0'-'9' .emit * .and no_digit; +integer_0_64_4 /* [60, 64] */ + leading_zeroes .and '6' .emit * .and '0'-'4' .emit * .and no_digit; +integer_0_64_5 /* [1, 6] */ + leading_zeroes .and '1'-'6' .emit * .and no_digit; + +optional_space + space .or .true; + +space_dst + space .error OPERATION_NEEDS_DESTINATION_VARIABLE; + +space_src + space .error OPERATION_NEEDS_SOURCE_VARIABLE; + +space + single_space .and .loop single_space; + +single_space + white_char .or comment_block; + +white_char + ' ' .or '\t' .or '\n' .or '\r'; + +comment_block + '#' .and .loop comment_char .and new_line; + +/* All ASCII characters except '\r', '\n' and '\0' */ +comment_char + '\x0E'-'\xFF' .or '\x01'-'\x09' .or '\x0B'-'\x0C'; + +new_line + '\n' .or crlf .or '\0'; + +crlf + '\r' .and '\n'; + +semicolon + optional_space .and ';' .error MISSING_SEMICOLON .and optional_space; + +comma + optional_space .and ',' .error MISSING_COMMA .and optional_space; + +comma_ne + optional_space .and ',' .and optional_space; + +lbracket + optional_space .and '[' .error MISSING_LBRACKET .and optional_space; + +lbracket_ne + optional_space .and '[' .and optional_space; + +rbracket + optional_space .and ']' .error MISSING_RBRACKET .and optional_space; + +dot + optional_space .and '.' .error MISSING_DOT .and optional_space; + +dot_ne + optional_space .and '.' .and optional_space; + +equal + optional_space .and '=' .error MISSING_EQUAL .and optional_space; + +lbrace + optional_space .and '{' .error MISSING_LBRACE .and optional_space; + +lbrace_ne + optional_space .and '{' .and optional_space; + +rbrace + optional_space .and '}' .error MISSING_RBRACE .and optional_space; + +dotdot + optional_space .and '.' .and '.' .error MISSING_DOTDOT .and optional_space; + +dotdot_ne + optional_space .and '.' .and '.' .and optional_space; + +/* + The definition below accepts the following floating point number formats: + .99 .99e99 99. 99.99 99.99e99 99.e99 99e99 + Also 99 format was considered and accepted because of a large number of existing program + strings with such a format. +*/ +float + float_1 .or float_2 .or float_legacy; +float_1 + '.' .emit 0x00 .and integer_ne .error MISSING_FRACTION_OR_EXPONENT .and optional_exponent; +float_2 + integer_ne .and float_3; +float_3 + float_4 .or float_5; +float_4 + '.' .and optional_integer .and optional_exponent; +float_5 + exponent .emit 0x00; +float_legacy + integer_ne .and .true .emit 0x00 .emit 0x00; + +/* + Below is a correct version of <float> definiton. +*/ +/* +float + float_1 .or float_2; +float_1 + '.' .emit 0x00 .and integer_ne .error MISSING_FRACTION_OR_EXPONENT .and optional_exponent; +float_2 + integer_ne .and float_3 .error MISSING_DOT_OR_EXPONENT; +float_3 + float_4 .or float_5; +float_4 + '.' .and optional_integer .and optional_exponent; +float_5 + exponent .emit 0x00; +*/ + +integer_ne + integer_ne_1 .and .true .emit 0x00 .emit $; +integer_ne_1 + digit10 .emit * .and .loop digit10 .emit *; + +optional_integer + integer_ne .or .true .emit 0x00; + +/* +NOTE: If exponent part is omited we treat it as if it was "E+1". +*/ +optional_exponent + exponent .or .true .emit 0x00; + +exponent + exponent_1 .and optional_sign_ne .and integer_ne .error EXPONENT_VALUE_EXPECTED; +exponent_1 + 'e' .or 'E'; + +optional_sign_ne + minus_ne .or plus_ne .or .true; + +plus_ne + optional_space .and '+' .and optional_space; + +minus_ne + optional_space .and '-' .emit '-' .and optional_space; + +identifier_ne + first_idchar .emit * .and .loop follow_idchar .emit * .and .true .emit 0x00 .emit $; + +follow_idchar + first_idchar .or digit10; + +first_idchar + 'a'-'z' .or 'A'-'Z' .or '_' .or '$'; + +digit10 + '0'-'9'; + +/* + string filtering - if a string is encountered in grammar ("blabla"), the symbol below is + executed to create the string. The symbol must not throw any errors and emit bytes - it should + stop if it encounters invalid character. After this the resulting string (from starting + position up to the invalid character (but without it) is compared with the grammar string. +*/ +.string __string_filter; + +__string_filter + .loop __identifier_char; + +__identifier_char + 'a'-'z' .or 'A'-'Z' .or '_' .or '$' .or '0'-'9'; + +/* + error token filtering +*/ +e_signature + e_signature_char .and .loop e_signature_char; +e_signature_char + '!' .or '.' .or 'A'-'Z' .or 'a'-'z' .or '0'-'9'; + +e_statement + .loop e_statement_not_term; +/* All ASCII characters to one of '\r', '\n', '\0' and ';' */ +e_statement_not_term + '\x3C'-'\xFF' .or '\x0E'-'\x3A' .or '\x01'-'\x09' .or '\x0B'-'\x0C'; + +e_identifier + e_identifier_first .and .loop e_identifier_next; +e_identifier_first + 'a'-'z' .or 'A'-'Z' .or '_' .or '$'; +e_identifier_next + e_identifier_first .or '0'-'9'; + +e_token + e_identifier .or e_token_number .or '[' .or ']' .or '.' .or '{' .or '}' .or '=' .or '+' .or + '-' .or ',' .or ';'; +e_token_number + e_token_digit .and .loop e_token_digit; +e_token_digit + '0'-'9'; + +e_charordigit + 'A'-'Z' .or 'a'-'z' .or '0'-'9'; + |