3 * Copyright © 2009 Intel Corporation
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
24 #include "main/glheader.h"
25 #include "prog_instruction.h"
26 #include "prog_statevars.h"
28 #include "program_parser.h"
29 #include "program_parse.tab.h"
31 #define require_ARB_vp (yyextra->mode == ARB_vertex)
32 #define require_ARB_fp (yyextra->mode == ARB_fragment)
33 #define require_shadow (yyextra->option.Shadow)
34 #define require_rect (yyextra->option.TexRect)
35 #define require_texarray (yyextra->option.TexArray)
38 #define YY_NO_UNISTD_H
41 #define return_token_or_IDENTIFIER(condition, token) \
46 yylval->string = strdup(yytext); \
51 #define return_token_or_DOT(condition, token) \
62 #define return_opcode(condition, token, opcode, sat) \
65 yylval->temp_inst.Opcode = OPCODE_ ## opcode; \
66 yylval->temp_inst.SaturateMode = SATURATE_ ## sat; \
69 yylval->string = strdup(yytext); \
74 #define SWIZZLE_INVAL MAKE_SWIZZLE4(SWIZZLE_NIL, SWIZZLE_NIL, \
75 SWIZZLE_NIL, SWIZZLE_NIL)
78 mask_from_char(char c)
99 swiz_from_char(char c)
119 #define YY_USER_ACTION \
121 yylloc->first_column = yylloc->last_column; \
122 yylloc->last_column += yyleng; \
123 if ((yylloc->first_line == 1) \
124 && (yylloc->first_column == 1)) { \
125 yylloc->position = 1; \
127 yylloc->position += yylloc->last_column - yylloc->first_column; \
131 #define YY_EXTRA_TYPE struct asm_parser_state *
139 %option bison-bridge bison-locations reentrant noyywrap
142 "!!ARBvp1.0" { return ARBvp_10; }
143 "!!ARBfp1.0" { return ARBfp_10; }
145 yylval->integer = at_address;
146 return_token_or_IDENTIFIER(require_ARB_vp, ADDRESS);
148 ALIAS { return ALIAS; }
149 ATTRIB { return ATTRIB; }
151 OPTION { return OPTION; }
152 OUTPUT { return OUTPUT; }
153 PARAM { return PARAM; }
154 TEMP { yylval->integer = at_temp; return TEMP; }
156 ABS { return_opcode( 1, VECTOR_OP, ABS, OFF); }
157 ABS_SAT { return_opcode(require_ARB_fp, VECTOR_OP, ABS, ZERO_ONE); }
158 ADD { return_opcode( 1, BIN_OP, ADD, OFF); }
159 ADD_SAT { return_opcode(require_ARB_fp, BIN_OP, ADD, ZERO_ONE); }
160 ARL { return_opcode(require_ARB_vp, ARL, ARL, OFF); }
162 CMP { return_opcode(require_ARB_fp, TRI_OP, CMP, OFF); }
163 CMP_SAT { return_opcode(require_ARB_fp, TRI_OP, CMP, ZERO_ONE); }
164 COS { return_opcode(require_ARB_fp, SCALAR_OP, COS, OFF); }
165 COS_SAT { return_opcode(require_ARB_fp, SCALAR_OP, COS, ZERO_ONE); }
167 DP3 { return_opcode( 1, BIN_OP, DP3, OFF); }
168 DP3_SAT { return_opcode(require_ARB_fp, BIN_OP, DP3, ZERO_ONE); }
169 DP4 { return_opcode( 1, BIN_OP, DP4, OFF); }
170 DP4_SAT { return_opcode(require_ARB_fp, BIN_OP, DP4, ZERO_ONE); }
171 DPH { return_opcode( 1, BIN_OP, DPH, OFF); }
172 DPH_SAT { return_opcode(require_ARB_fp, BIN_OP, DPH, ZERO_ONE); }
173 DST { return_opcode( 1, BIN_OP, DST, OFF); }
174 DST_SAT { return_opcode(require_ARB_fp, BIN_OP, DST, ZERO_ONE); }
176 EX2 { return_opcode( 1, SCALAR_OP, EX2, OFF); }
177 EX2_SAT { return_opcode(require_ARB_fp, SCALAR_OP, EX2, ZERO_ONE); }
178 EXP { return_opcode(require_ARB_vp, SCALAR_OP, EXP, OFF); }
180 FLR { return_opcode( 1, VECTOR_OP, FLR, OFF); }
181 FLR_SAT { return_opcode(require_ARB_fp, VECTOR_OP, FLR, ZERO_ONE); }
182 FRC { return_opcode( 1, VECTOR_OP, FRC, OFF); }
183 FRC_SAT { return_opcode(require_ARB_fp, VECTOR_OP, FRC, ZERO_ONE); }
185 KIL { return_opcode(require_ARB_fp, KIL, KIL, OFF); }
187 LIT { return_opcode( 1, VECTOR_OP, LIT, OFF); }
188 LIT_SAT { return_opcode(require_ARB_fp, VECTOR_OP, LIT, ZERO_ONE); }
189 LG2 { return_opcode( 1, SCALAR_OP, LG2, OFF); }
190 LG2_SAT { return_opcode(require_ARB_fp, SCALAR_OP, LG2, ZERO_ONE); }
191 LOG { return_opcode(require_ARB_vp, SCALAR_OP, LOG, OFF); }
192 LRP { return_opcode(require_ARB_fp, TRI_OP, LRP, OFF); }
193 LRP_SAT { return_opcode(require_ARB_fp, TRI_OP, LRP, ZERO_ONE); }
195 MAD { return_opcode( 1, TRI_OP, MAD, OFF); }
196 MAD_SAT { return_opcode(require_ARB_fp, TRI_OP, MAD, ZERO_ONE); }
197 MAX { return_opcode( 1, BIN_OP, MAX, OFF); }
198 MAX_SAT { return_opcode(require_ARB_fp, BIN_OP, MAX, ZERO_ONE); }
199 MIN { return_opcode( 1, BIN_OP, MIN, OFF); }
200 MIN_SAT { return_opcode(require_ARB_fp, BIN_OP, MIN, ZERO_ONE); }
201 MOV { return_opcode( 1, VECTOR_OP, MOV, OFF); }
202 MOV_SAT { return_opcode(require_ARB_fp, VECTOR_OP, MOV, ZERO_ONE); }
203 MUL { return_opcode( 1, BIN_OP, MUL, OFF); }
204 MUL_SAT { return_opcode(require_ARB_fp, BIN_OP, MUL, ZERO_ONE); }
206 POW { return_opcode( 1, BINSC_OP, POW, OFF); }
207 POW_SAT { return_opcode(require_ARB_fp, BINSC_OP, POW, ZERO_ONE); }
209 RCP { return_opcode( 1, SCALAR_OP, RCP, OFF); }
210 RCP_SAT { return_opcode(require_ARB_fp, SCALAR_OP, RCP, ZERO_ONE); }
211 RSQ { return_opcode( 1, SCALAR_OP, RSQ, OFF); }
212 RSQ_SAT { return_opcode(require_ARB_fp, SCALAR_OP, RSQ, ZERO_ONE); }
214 SCS { return_opcode(require_ARB_fp, SCALAR_OP, SCS, OFF); }
215 SCS_SAT { return_opcode(require_ARB_fp, SCALAR_OP, SCS, ZERO_ONE); }
216 SGE { return_opcode( 1, BIN_OP, SGE, OFF); }
217 SGE_SAT { return_opcode(require_ARB_fp, BIN_OP, SGE, ZERO_ONE); }
218 SIN { return_opcode(require_ARB_fp, SCALAR_OP, SIN, OFF); }
219 SIN_SAT { return_opcode(require_ARB_fp, SCALAR_OP, SIN, ZERO_ONE); }
220 SLT { return_opcode( 1, BIN_OP, SLT, OFF); }
221 SLT_SAT { return_opcode(require_ARB_fp, BIN_OP, SLT, ZERO_ONE); }
222 SUB { return_opcode( 1, BIN_OP, SUB, OFF); }
223 SUB_SAT { return_opcode(require_ARB_fp, BIN_OP, SUB, ZERO_ONE); }
224 SWZ { return_opcode( 1, SWZ, SWZ, OFF); }
225 SWZ_SAT { return_opcode(require_ARB_fp, SWZ, SWZ, ZERO_ONE); }
227 TEX { return_opcode(require_ARB_fp, SAMPLE_OP, TEX, OFF); }
228 TEX_SAT { return_opcode(require_ARB_fp, SAMPLE_OP, TEX, ZERO_ONE); }
229 TXB { return_opcode(require_ARB_fp, SAMPLE_OP, TXB, OFF); }
230 TXB_SAT { return_opcode(require_ARB_fp, SAMPLE_OP, TXB, ZERO_ONE); }
231 TXP { return_opcode(require_ARB_fp, SAMPLE_OP, TXP, OFF); }
232 TXP_SAT { return_opcode(require_ARB_fp, SAMPLE_OP, TXP, ZERO_ONE); }
234 XPD { return_opcode( 1, BIN_OP, XPD, OFF); }
235 XPD_SAT { return_opcode(require_ARB_fp, BIN_OP, XPD, ZERO_ONE); }
237 vertex { return_token_or_IDENTIFIER(require_ARB_vp, VERTEX); }
238 fragment { return_token_or_IDENTIFIER(require_ARB_fp, FRAGMENT); }
239 program { return PROGRAM; }
240 state { return STATE; }
241 result { return RESULT; }
243 {dot}ambient { return AMBIENT; }
244 {dot}attenuation { return ATTENUATION; }
245 {dot}back { return BACK; }
246 {dot}clip { return_token_or_DOT(require_ARB_vp, CLIP); }
247 {dot}color { return COLOR; }
248 {dot}depth { return_token_or_DOT(require_ARB_fp, DEPTH); }
249 {dot}diffuse { return DIFFUSE; }
250 {dot}direction { return DIRECTION; }
251 {dot}emission { return EMISSION; }
252 {dot}env { return ENV; }
253 {dot}eye { return EYE; }
254 {dot}fogcoord { return FOGCOORD; }
255 {dot}fog { return FOG; }
256 {dot}front { return FRONT; }
257 {dot}half { return HALF; }
258 {dot}inverse { return INVERSE; }
259 {dot}invtrans { return INVTRANS; }
260 {dot}light { return LIGHT; }
261 {dot}lightmodel { return LIGHTMODEL; }
262 {dot}lightprod { return LIGHTPROD; }
263 {dot}local { return LOCAL; }
264 {dot}material { return MATERIAL; }
265 {dot}program { return MAT_PROGRAM; }
266 {dot}matrix { return MATRIX; }
267 {dot}matrixindex { return_token_or_DOT(require_ARB_vp, MATRIXINDEX); }
268 {dot}modelview { return MODELVIEW; }
269 {dot}mvp { return MVP; }
270 {dot}normal { return_token_or_DOT(require_ARB_vp, NORMAL); }
271 {dot}object { return OBJECT; }
272 {dot}palette { return PALETTE; }
273 {dot}params { return PARAMS; }
274 {dot}plane { return PLANE; }
275 {dot}point { return_token_or_DOT(require_ARB_vp, POINT_TOK); }
276 {dot}pointsize { return_token_or_DOT(require_ARB_vp, POINTSIZE); }
277 {dot}position { return POSITION; }
278 {dot}primary { return PRIMARY; }
279 {dot}projection { return PROJECTION; }
280 {dot}range { return_token_or_DOT(require_ARB_fp, RANGE); }
281 {dot}row { return ROW; }
282 {dot}scenecolor { return SCENECOLOR; }
283 {dot}secondary { return SECONDARY; }
284 {dot}shininess { return SHININESS; }
285 {dot}size { return_token_or_DOT(require_ARB_vp, SIZE_TOK); }
286 {dot}specular { return SPECULAR; }
287 {dot}spot { return SPOT; }
288 {dot}texcoord { return TEXCOORD; }
289 {dot}texenv { return_token_or_DOT(require_ARB_fp, TEXENV); }
290 {dot}texgen { return_token_or_DOT(require_ARB_vp, TEXGEN); }
291 {dot}q { return_token_or_DOT(require_ARB_vp, TEXGEN_Q); }
292 {dot}s { return_token_or_DOT(require_ARB_vp, TEXGEN_S); }
293 {dot}t { return_token_or_DOT(require_ARB_vp, TEXGEN_T); }
294 {dot}texture { return TEXTURE; }
295 {dot}transpose { return TRANSPOSE; }
296 {dot}attrib { return_token_or_DOT(require_ARB_vp, VTXATTRIB); }
297 {dot}weight { return_token_or_DOT(require_ARB_vp, WEIGHT); }
299 texture { return_token_or_IDENTIFIER(require_ARB_fp, TEXTURE_UNIT); }
300 1D { return_token_or_IDENTIFIER(require_ARB_fp, TEX_1D); }
301 2D { return_token_or_IDENTIFIER(require_ARB_fp, TEX_2D); }
302 3D { return_token_or_IDENTIFIER(require_ARB_fp, TEX_3D); }
303 CUBE { return_token_or_IDENTIFIER(require_ARB_fp, TEX_CUBE); }
304 RECT { return_token_or_IDENTIFIER(require_ARB_fp && require_rect, TEX_RECT); }
305 SHADOW1D { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow, TEX_SHADOW1D); }
306 SHADOW2D { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow, TEX_SHADOW2D); }
307 SHADOWRECT { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow && require_rect, TEX_SHADOWRECT); }
308 ARRAY1D { return_token_or_IDENTIFIER(require_ARB_fp && require_texarray, TEX_ARRAY1D); }
309 ARRAY2D { return_token_or_IDENTIFIER(require_ARB_fp && require_texarray, TEX_ARRAY2D); }
310 ARRAYSHADOW1D { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow && require_texarray, TEX_ARRAYSHADOW1D); }
311 ARRAYSHADOW2D { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow && require_texarray, TEX_ARRAYSHADOW2D); }
313 [_a-zA-Z$][_a-zA-Z0-9$]* {
314 yylval->string = strdup(yytext);
318 ".." { return DOT_DOT; }
321 yylval->integer = strtol(yytext, NULL, 10);
325 yylval->real = strtod(yytext, NULL);
329 yylval->real = strtod(yytext, NULL);
333 yylval->real = strtod(yytext, NULL);
337 yylval->real = strtod(yytext, NULL);
342 yylval->swiz_mask.swizzle = SWIZZLE_NOOP;
343 yylval->swiz_mask.mask = WRITEMASK_XYZW;
348 yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
349 yylval->swiz_mask.mask = WRITEMASK_XY
350 | mask_from_char(yytext[3]);
354 yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
355 yylval->swiz_mask.mask = WRITEMASK_XZW;
359 yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
360 yylval->swiz_mask.mask = WRITEMASK_YZW;
365 yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
366 yylval->swiz_mask.mask = WRITEMASK_X
367 | mask_from_char(yytext[2]);
371 yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
372 yylval->swiz_mask.mask = WRITEMASK_Y
373 | mask_from_char(yytext[2]);
377 yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
378 yylval->swiz_mask.mask = WRITEMASK_ZW;
383 const unsigned s = swiz_from_char(yytext[1]);
384 yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(s, s, s, s);
385 yylval->swiz_mask.mask = mask_from_char(yytext[1]);
390 yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(swiz_from_char(yytext[1]),
391 swiz_from_char(yytext[2]),
392 swiz_from_char(yytext[3]),
393 swiz_from_char(yytext[4]));
394 yylval->swiz_mask.mask = 0;
399 yylval->swiz_mask.swizzle = SWIZZLE_NOOP;
400 yylval->swiz_mask.mask = WRITEMASK_XYZW;
401 return_token_or_DOT(require_ARB_fp, MASK4);
405 yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
406 yylval->swiz_mask.mask = WRITEMASK_XY
407 | mask_from_char(yytext[3]);
408 return_token_or_DOT(require_ARB_fp, MASK3);
411 yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
412 yylval->swiz_mask.mask = WRITEMASK_XZW;
413 return_token_or_DOT(require_ARB_fp, MASK3);
416 yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
417 yylval->swiz_mask.mask = WRITEMASK_YZW;
418 return_token_or_DOT(require_ARB_fp, MASK3);
422 yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
423 yylval->swiz_mask.mask = WRITEMASK_X
424 | mask_from_char(yytext[2]);
425 return_token_or_DOT(require_ARB_fp, MASK2);
428 yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
429 yylval->swiz_mask.mask = WRITEMASK_Y
430 | mask_from_char(yytext[2]);
431 return_token_or_DOT(require_ARB_fp, MASK2);
434 yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
435 yylval->swiz_mask.mask = WRITEMASK_ZW;
436 return_token_or_DOT(require_ARB_fp, MASK2);
440 const unsigned s = swiz_from_char(yytext[1]);
441 yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(s, s, s, s);
442 yylval->swiz_mask.mask = mask_from_char(yytext[1]);
443 return_token_or_DOT(require_ARB_fp, MASK1);
448 if (require_ARB_vp) {
451 yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X,
452 SWIZZLE_X, SWIZZLE_X);
453 yylval->swiz_mask.mask = WRITEMASK_X;
459 yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(swiz_from_char(yytext[1]),
460 swiz_from_char(yytext[2]),
461 swiz_from_char(yytext[3]),
462 swiz_from_char(yytext[4]));
463 yylval->swiz_mask.mask = 0;
464 return_token_or_DOT(require_ARB_fp, SWIZZLE);
470 yylloc->first_line++;
471 yylloc->first_column = 1;
473 yylloc->last_column = 1;
476 [ \t\r]+ /* eat whitespace */ ;
477 #.*$ /* eat comments */ ;
478 . { return yytext[0]; }
482 _mesa_program_lexer_ctor(void **scanner, struct asm_parser_state *state,
483 const char *string, size_t len)
485 yylex_init_extra(state, scanner);
486 yy_scan_bytes(string, len, *scanner);
490 _mesa_program_lexer_dtor(void *scanner)
492 yylex_destroy(scanner);