ARB_fp/vp: Initial import of new ARB vp/fp assembler
This still needs quite a bit of work, but a bunch of the programs in progs/vp produce correct results.
This commit is contained in:
Ian Romanick
482
src/mesa/shader/program_lexer.l
Normal file
482
src/mesa/shader/program_lexer.l
Normal file
@@ -0,0 +1,482 @@
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%{
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/*
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* Copyright © 2009 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "main/glheader.h"
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#include "prog_instruction.h"
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#include "program_parser.h"
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#include "program_parse.tab.h"
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#define require_ARB_vp (yyextra->mode == ARB_vertex)
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#define require_ARB_fp (yyextra->mode == ARB_fragment)
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#define return_token_or_IDENTIFIER(condition, token) \
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do { \
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if (condition) { \
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return token; \
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} else { \
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yylval->string = strdup(yytext); \
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return IDENTIFIER; \
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} \
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} while (0)
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#define return_token_or_DOT(condition, token) \
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do { \
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if (condition) { \
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return token; \
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} else { \
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yyless(1); \
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return DOT; \
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} \
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} while (0)
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#define return_opcode(condition, token, opcode, sat) \
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do { \
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if (condition) { \
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yylval->temp_inst.Opcode = OPCODE_ ## opcode; \
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yylval->temp_inst.SaturateMode = SATURATE_ ## sat; \
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return token; \
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} else { \
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yylval->string = strdup(yytext); \
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return IDENTIFIER; \
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} \
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} while (0)
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#define SWIZZLE_INVAL MAKE_SWIZZLE4(SWIZZLE_NIL, SWIZZLE_NIL, \
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SWIZZLE_NIL, SWIZZLE_NIL)
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static unsigned
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mask_from_char(char c)
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{
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switch (c) {
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case 'x':
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case 'r':
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return WRITEMASK_X;
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case 'y':
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case 'g':
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return WRITEMASK_Y;
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case 'z':
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case 'b':
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return WRITEMASK_Z;
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case 'w':
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case 'a':
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return WRITEMASK_W;
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}
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return 0;
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}
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static unsigned
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swiz_from_char(char c)
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{
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switch (c) {
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case 'x':
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case 'r':
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return SWIZZLE_X;
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case 'y':
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case 'g':
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return SWIZZLE_Y;
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case 'z':
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case 'b':
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return SWIZZLE_Z;
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case 'w':
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case 'a':
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return SWIZZLE_W;
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}
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return 0;
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}
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#define YY_USER_ACTION \
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do { \
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yylloc->first_column = yylloc->last_column; \
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yylloc->last_column += yyleng; \
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if ((yylloc->first_line == 1) \
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&& (yylloc->first_column == 1)) { \
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yylloc->position = 1; \
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} else { \
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yylloc->position += yylloc->last_column - yylloc->first_column; \
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} \
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} while(0);
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#define YY_EXTRA_TYPE struct asm_parser_state *
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%}
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num [0-9]+
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exp [Ee][-+]?[0-9]+
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frac "."[0-9]+
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dot "."[ \t]*
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%option bison-bridge bison-locations reentrant noyywrap
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%%
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"!!ARBvp1.0" { return ARBvp_10; }
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"!!ARBfp1.0" { return ARBfp_10; }
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ADDRESS {
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yylval->integer = at_address;
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return_token_or_IDENTIFIER(require_ARB_vp, ADDRESS);
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}
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ALIAS { return ALIAS; }
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ATTRIB { return ATTRIB; }
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END { return END; }
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OPTION { return OPTION; }
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OUTPUT { return OUTPUT; }
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PARAM { return PARAM; }
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TEMP { yylval->integer = at_temp; return TEMP; }
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ABS { return_opcode( 1, VECTOR_OP, ABS, OFF); }
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ABS_SAT { return_opcode(require_ARB_fp, VECTOR_OP, ABS, ZERO_ONE); }
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ADD { return_opcode( 1, BIN_OP, ADD, OFF); }
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ADD_SAT { return_opcode(require_ARB_fp, BIN_OP, ADD, ZERO_ONE); }
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ARL { return_opcode(require_ARB_vp, ARL, ARL, OFF); }
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CMP { return_opcode(require_ARB_fp, TRI_OP, CMP, OFF); }
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CMP_SAT { return_opcode(require_ARB_fp, TRI_OP, CMP, ZERO_ONE); }
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COS { return_opcode(require_ARB_fp, SCALAR_OP, COS, OFF); }
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COS_SAT { return_opcode(require_ARB_fp, SCALAR_OP, COS, ZERO_ONE); }
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DP3 { return_opcode( 1, BIN_OP, DP3, OFF); }
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DP3_SAT { return_opcode(require_ARB_fp, BIN_OP, DP3, ZERO_ONE); }
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DP4 { return_opcode( 1, BIN_OP, DP4, OFF); }
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DP4_SAT { return_opcode(require_ARB_fp, BIN_OP, DP4, ZERO_ONE); }
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DPH { return_opcode( 1, BIN_OP, DPH, OFF); }
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DPH_SAT { return_opcode(require_ARB_fp, BIN_OP, DPH, ZERO_ONE); }
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DST { return_opcode( 1, BIN_OP, DST, OFF); }
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DST_SAT { return_opcode(require_ARB_fp, BIN_OP, DST, ZERO_ONE); }
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EX2 { return_opcode( 1, SCALAR_OP, EX2, OFF); }
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EX2_SAT { return_opcode(require_ARB_fp, SCALAR_OP, EX2, ZERO_ONE); }
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EXP { return_opcode(require_ARB_vp, SCALAR_OP, EXP, OFF); }
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FLR { return_opcode( 1, VECTOR_OP, FLR, OFF); }
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FLR_SAT { return_opcode(require_ARB_fp, VECTOR_OP, FLR, ZERO_ONE); }
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FRC { return_opcode( 1, VECTOR_OP, FRC, OFF); }
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FRC_SAT { return_opcode(require_ARB_fp, VECTOR_OP, FRC, ZERO_ONE); }
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KIL { return_opcode(require_ARB_fp, KIL, KIL, OFF); }
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LIT { return_opcode( 1, VECTOR_OP, LIT, OFF); }
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LIT_SAT { return_opcode(require_ARB_fp, VECTOR_OP, LIT, ZERO_ONE); }
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LG2 { return_opcode( 1, SCALAR_OP, LG2, OFF); }
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LG2_SAT { return_opcode(require_ARB_fp, SCALAR_OP, LG2, ZERO_ONE); }
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LOG { return_opcode(require_ARB_vp, SCALAR_OP, LOG, OFF); }
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LRP { return_opcode(require_ARB_fp, TRI_OP, LRP, OFF); }
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LRP_SAT { return_opcode(require_ARB_fp, TRI_OP, LRP, ZERO_ONE); }
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MAD { return_opcode( 1, TRI_OP, MAD, OFF); }
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MAD_SAT { return_opcode(require_ARB_fp, TRI_OP, MAD, ZERO_ONE); }
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MAX { return_opcode( 1, BIN_OP, MAX, OFF); }
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MAX_SAT { return_opcode(require_ARB_fp, BIN_OP, MAX, ZERO_ONE); }
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MIN { return_opcode( 1, BIN_OP, MIN, OFF); }
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MIN_SAT { return_opcode(require_ARB_fp, BIN_OP, MIN, ZERO_ONE); }
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MOV { return_opcode( 1, VECTOR_OP, MOV, OFF); }
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MOV_SAT { return_opcode(require_ARB_fp, VECTOR_OP, MOV, ZERO_ONE); }
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MUL { return_opcode( 1, BIN_OP, MUL, OFF); }
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MUL_SAT { return_opcode(require_ARB_fp, BIN_OP, MUL, ZERO_ONE); }
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POW { return_opcode( 1, BINSC_OP, POW, OFF); }
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POW_SAT { return_opcode(require_ARB_fp, BINSC_OP, POW, ZERO_ONE); }
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RCP { return_opcode( 1, SCALAR_OP, RCP, OFF); }
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RCP_SAT { return_opcode(require_ARB_fp, SCALAR_OP, RCP, ZERO_ONE); }
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RSQ { return_opcode( 1, SCALAR_OP, RSQ, OFF); }
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RSQ_SAT { return_opcode(require_ARB_fp, SCALAR_OP, RSQ, ZERO_ONE); }
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SCS { return_opcode(require_ARB_fp, SCALAR_OP, SCS, OFF); }
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SCS_SAT { return_opcode(require_ARB_fp, SCALAR_OP, SCS, ZERO_ONE); }
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SGE { return_opcode( 1, BIN_OP, SGE, OFF); }
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SGE_SAT { return_opcode(require_ARB_fp, BIN_OP, SGE, ZERO_ONE); }
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SIN { return_opcode(require_ARB_fp, SCALAR_OP, SIN, OFF); }
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SIN_SAT { return_opcode(require_ARB_fp, SCALAR_OP, SIN, ZERO_ONE); }
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SLT { return_opcode( 1, BIN_OP, SLT, OFF); }
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SLT_SAT { return_opcode(require_ARB_fp, BIN_OP, SLT, ZERO_ONE); }
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SUB { return_opcode( 1, BIN_OP, SUB, OFF); }
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SUB_SAT { return_opcode(require_ARB_fp, BIN_OP, SUB, ZERO_ONE); }
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SWZ { return_opcode( 1, SWZ, SWZ, OFF); }
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SWZ_SAT { return_opcode(require_ARB_fp, SWZ, SWZ, ZERO_ONE); }
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TEX { return_opcode(require_ARB_fp, SAMPLE_OP, TEX, OFF); }
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TEX_SAT { return_opcode(require_ARB_fp, SAMPLE_OP, TEX, ZERO_ONE); }
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TXB { return_opcode(require_ARB_fp, SAMPLE_OP, TXB, OFF); }
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TXB_SAT { return_opcode(require_ARB_fp, SAMPLE_OP, TXB, ZERO_ONE); }
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TXP { return_opcode(require_ARB_fp, SAMPLE_OP, TXP, OFF); }
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TXP_SAT { return_opcode(require_ARB_fp, SAMPLE_OP, TXP, ZERO_ONE); }
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XPD { return_opcode( 1, BIN_OP, XPD, OFF); }
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XPD_SAT { return_opcode(require_ARB_fp, BIN_OP, XPD, ZERO_ONE); }
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vertex { return_token_or_IDENTIFIER(require_ARB_vp, VERTEX); }
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fragment { return_token_or_IDENTIFIER(require_ARB_fp, FRAGMENT); }
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program { return PROGRAM; }
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state { return STATE; }
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result { return RESULT; }
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{dot}ambient { return AMBIENT; }
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{dot}attenuation { return_token_or_DOT(require_ARB_vp, ATTENUATION); }
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{dot}back { return BACK; }
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{dot}clip { return_token_or_DOT(require_ARB_vp, CLIP); }
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{dot}color { return COLOR; }
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{dot}depth { return_token_or_DOT(require_ARB_fp, DEPTH); }
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{dot}diffuse { return DIFFUSE; }
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{dot}direction { return DIRECTION; }
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{dot}emission { return EMISSION; }
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{dot}env { return ENV; }
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{dot}eye { return EYE; }
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{dot}fogcoord { return FOGCOORD; }
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{dot}fog { return FOG; }
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{dot}front { return FRONT; }
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{dot}half { return HALF; }
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{dot}inverse { return INVERSE; }
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{dot}invtrans { return INVTRANS; }
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{dot}light { return LIGHT; }
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{dot}lightmodel { return LIGHTMODEL; }
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{dot}lightprod { return LIGHTPROD; }
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{dot}local { return LOCAL; }
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{dot}material { return MATERIAL; }
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{dot}program { return MAT_PROGRAM; }
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{dot}matrix { return MATRIX; }
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{dot}matrixindex { return_token_or_DOT(require_ARB_vp, MATRIXINDEX); }
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{dot}modelview { return MODELVIEW; }
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{dot}mvp { return MVP; }
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{dot}normal { return_token_or_DOT(require_ARB_vp, NORMAL); }
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{dot}object { return OBJECT; }
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{dot}palette { return PALETTE; }
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{dot}params { return PARAMS; }
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{dot}plane { return PLANE; }
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{dot}point { return_token_or_DOT(require_ARB_vp, POINT); }
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{dot}pointsize { return_token_or_DOT(require_ARB_vp, POINTSIZE); }
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{dot}position { return POSITION; }
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{dot}primary { return PRIMARY; }
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{dot}projection { return PROJECTION; }
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{dot}range { return_token_or_DOT(require_ARB_fp, RANGE); }
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{dot}row { return ROW; }
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{dot}scenecolor { return SCENECOLOR; }
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{dot}secondary { return SECONDARY; }
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{dot}shininess { return SHININESS; }
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{dot}size { return_token_or_DOT(require_ARB_vp, SIZE); }
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{dot}specular { return SPECULAR; }
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{dot}spot { return SPOT; }
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{dot}texcoord { return TEXCOORD; }
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{dot}texenv { return_token_or_DOT(require_ARB_fp, TEXENV); }
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{dot}texgen { return_token_or_DOT(require_ARB_vp, TEXGEN); }
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{dot}q { return_token_or_DOT(require_ARB_vp, TEXGEN_Q); }
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{dot}s { return_token_or_DOT(require_ARB_vp, TEXGEN_S); }
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{dot}t { return_token_or_DOT(require_ARB_vp, TEXGEN_T); }
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{dot}texture { return TEXTURE; }
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{dot}transpose { return TRANSPOSE; }
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{dot}attrib { return_token_or_DOT(require_ARB_vp, VTXATTRIB); }
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{dot}weight { return_token_or_DOT(require_ARB_vp, WEIGHT); }
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texture { return_token_or_IDENTIFIER(require_ARB_fp, TEXTURE_UNIT); }
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1D { return_token_or_IDENTIFIER(require_ARB_fp, TEX_1D); }
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2D { return_token_or_IDENTIFIER(require_ARB_fp, TEX_2D); }
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3D { return_token_or_IDENTIFIER(require_ARB_fp, TEX_3D); }
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CUBE { return_token_or_IDENTIFIER(require_ARB_fp, TEX_CUBE); }
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RECT { return_token_or_IDENTIFIER(require_ARB_fp, TEX_RECT); }
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[_a-zA-Z$][_a-zA-Z0-9$]* {
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yylval->string = strdup(yytext);
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return IDENTIFIER;
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}
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".." { return DOT_DOT; }
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{num} {
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yylval->integer = strtol(yytext, NULL, 10);
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return INTEGER;
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}
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{num}?{frac}{exp}? {
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yylval->real = strtod(yytext, NULL);
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return REAL;
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}
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{num}"."/[^.] {
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yylval->real = strtod(yytext, NULL);
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return REAL;
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}
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{num}{exp} {
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yylval->real = strtod(yytext, NULL);
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return REAL;
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}
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{num}"."{exp} {
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yylval->real = strtod(yytext, NULL);
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return REAL;
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}
|
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".xyzw" {
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yylval->swiz_mask.swizzle = SWIZZLE_NOOP;
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yylval->swiz_mask.mask = WRITEMASK_XYZW;
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return MASK4;
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}
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".xy"[zw] {
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yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
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yylval->swiz_mask.mask = WRITEMASK_XY
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| mask_from_char(yytext[3]);
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return MASK3;
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}
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".xzw" {
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yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
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yylval->swiz_mask.mask = WRITEMASK_XZW;
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return MASK3;
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}
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".yzw" {
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yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
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yylval->swiz_mask.mask = WRITEMASK_YZW;
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return MASK3;
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}
|
||||
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||||
".x"[yzw] {
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yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
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yylval->swiz_mask.mask = WRITEMASK_X
|
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| mask_from_char(yytext[2]);
|
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return MASK2;
|
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}
|
||||
".y"[zw] {
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yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
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yylval->swiz_mask.mask = WRITEMASK_Y
|
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| mask_from_char(yytext[2]);
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return MASK2;
|
||||
}
|
||||
".zw" {
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yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
|
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yylval->swiz_mask.mask = WRITEMASK_ZW;
|
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return MASK2;
|
||||
}
|
||||
|
||||
"."[xyzw] {
|
||||
const unsigned s = swiz_from_char(yytext[1]);
|
||||
yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(s, s, s, s);
|
||||
yylval->swiz_mask.mask = mask_from_char(yytext[1]);
|
||||
return MASK1;
|
||||
}
|
||||
|
||||
"."[xyzw]{4} {
|
||||
yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(swiz_from_char(yytext[1]),
|
||||
swiz_from_char(yytext[2]),
|
||||
swiz_from_char(yytext[3]),
|
||||
swiz_from_char(yytext[4]));
|
||||
yylval->swiz_mask.mask = 0;
|
||||
return SWIZZLE;
|
||||
}
|
||||
|
||||
".rgba" {
|
||||
yylval->swiz_mask.swizzle = SWIZZLE_NOOP;
|
||||
yylval->swiz_mask.mask = WRITEMASK_XYZW;
|
||||
return_token_or_DOT(require_ARB_fp, MASK4);
|
||||
}
|
||||
|
||||
".rg"[ba] {
|
||||
yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
|
||||
yylval->swiz_mask.mask = WRITEMASK_XY
|
||||
| mask_from_char(yytext[3]);
|
||||
return_token_or_DOT(require_ARB_fp, MASK3);
|
||||
}
|
||||
".rba" {
|
||||
yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
|
||||
yylval->swiz_mask.mask = WRITEMASK_XZW;
|
||||
return_token_or_DOT(require_ARB_fp, MASK3);
|
||||
}
|
||||
".gba" {
|
||||
yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
|
||||
yylval->swiz_mask.mask = WRITEMASK_YZW;
|
||||
return_token_or_DOT(require_ARB_fp, MASK3);
|
||||
}
|
||||
|
||||
".r"[gba] {
|
||||
yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
|
||||
yylval->swiz_mask.mask = WRITEMASK_X
|
||||
| mask_from_char(yytext[2]);
|
||||
return_token_or_DOT(require_ARB_fp, MASK2);
|
||||
}
|
||||
".g"[ba] {
|
||||
yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
|
||||
yylval->swiz_mask.mask = WRITEMASK_Y
|
||||
| mask_from_char(yytext[2]);
|
||||
return_token_or_DOT(require_ARB_fp, MASK2);
|
||||
}
|
||||
".ba" {
|
||||
yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
|
||||
yylval->swiz_mask.mask = WRITEMASK_ZW;
|
||||
return_token_or_DOT(require_ARB_fp, MASK2);
|
||||
}
|
||||
|
||||
"."[gba] {
|
||||
const unsigned s = swiz_from_char(yytext[1]);
|
||||
yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(s, s, s, s);
|
||||
yylval->swiz_mask.mask = mask_from_char(yytext[1]);
|
||||
return_token_or_DOT(require_ARB_fp, MASK1);
|
||||
}
|
||||
|
||||
|
||||
".r" {
|
||||
if (require_ARB_vp) {
|
||||
return TEXGEN_R;
|
||||
} else {
|
||||
yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X,
|
||||
SWIZZLE_X, SWIZZLE_X);
|
||||
yylval->swiz_mask.mask = WRITEMASK_X;
|
||||
return MASK1;
|
||||
}
|
||||
}
|
||||
|
||||
"."[rgba]{4} {
|
||||
yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(swiz_from_char(yytext[1]),
|
||||
swiz_from_char(yytext[2]),
|
||||
swiz_from_char(yytext[3]),
|
||||
swiz_from_char(yytext[4]));
|
||||
yylval->swiz_mask.mask = 0;
|
||||
return_token_or_DOT(require_ARB_fp, SWIZZLE);
|
||||
}
|
||||
|
||||
"." { return DOT; }
|
||||
|
||||
\n {
|
||||
yylloc->first_line++;
|
||||
yylloc->first_column = 1;
|
||||
yylloc->last_line++;
|
||||
yylloc->last_column = 1;
|
||||
yylloc->position++;
|
||||
}
|
||||
[ \t]+ /* eat whitespace */ ;
|
||||
#.*$ /* eat comments */ ;
|
||||
. { return yytext[0]; }
|
||||
%%
|
||||
|
||||
void
|
||||
_mesa_program_lexer_ctor(void **scanner, struct asm_parser_state *state,
|
||||
const char *string, size_t len)
|
||||
{
|
||||
yylex_init_extra(state, scanner);
|
||||
yy_scan_bytes(string, len, *scanner);
|
||||
}
|
||||
|
||||
void
|
||||
_mesa_program_lexer_dtor(void *scanner)
|
||||
{
|
||||
/* FINISHME: It's not clear to me whether or not the buffer state returned
|
||||
* FINISHME: by yy_scan_bytes in _mesa_program_lexer_ctor needs to be
|
||||
* FINISHME: explicitly destroyed here or not.
|
||||
*/
|
||||
yylex_destroy(scanner);
|
||||
}
|
||||
Reference in New Issue
Block a user