2 * \file atifragshader.c
4 * Copyright (C) 2004 David Airlie All Rights Reserved.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * DAVID AIRLIE BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
20 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 #include "main/glheader.h"
25 #include "main/context.h"
26 #include "main/hash.h"
27 #include "main/imports.h"
28 #include "main/macros.h"
29 #include "main/enums.h"
30 #include "main/mtypes.h"
31 #include "main/dispatch.h"
32 #include "main/atifragshader.h"
33 #include "program/program.h"
35 #define MESA_DEBUG_ATI_FS 0
37 static struct ati_fragment_shader DummyShader
;
41 * Allocate and initialize a new ATI fragment shader object.
43 struct ati_fragment_shader
*
44 _mesa_new_ati_fragment_shader(struct gl_context
*ctx
, GLuint id
)
46 struct ati_fragment_shader
*s
= CALLOC_STRUCT(ati_fragment_shader
);
57 * Delete the given ati fragment shader
60 _mesa_delete_ati_fragment_shader(struct gl_context
*ctx
, struct ati_fragment_shader
*s
)
63 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
64 free(s
->Instructions
[i
]);
65 free(s
->SetupInst
[i
]);
67 _mesa_reference_program(ctx
, &s
->Program
, NULL
);
74 new_arith_inst(struct ati_fragment_shader
*prog
)
76 /* set "default" instruction as not all may get defined.
77 there is no specified way to express a nop with ati fragment shaders we use
78 GL_NONE as the op enum and just set some params to 0 - so nothing to do here */
79 prog
->numArithInstr
[prog
->cur_pass
>> 1]++;
83 new_tex_inst(struct ati_fragment_shader
*prog
)
87 static void match_pair_inst(struct ati_fragment_shader
*curProg
, GLuint optype
)
89 if (optype
== curProg
->last_optype
) {
90 curProg
->last_optype
= 1;
96 create_dst_mod_str(GLuint mod
)
98 static char ret_str
[1024];
100 memset(ret_str
, 0, 1024);
101 if (mod
& GL_2X_BIT_ATI
)
102 strncat(ret_str
, "|2X", 1024);
104 if (mod
& GL_4X_BIT_ATI
)
105 strncat(ret_str
, "|4X", 1024);
107 if (mod
& GL_8X_BIT_ATI
)
108 strncat(ret_str
, "|8X", 1024);
109 if (mod
& GL_HALF_BIT_ATI
)
110 strncat(ret_str
, "|HA", 1024);
111 if (mod
& GL_QUARTER_BIT_ATI
)
112 strncat(ret_str
, "|QU", 1024);
113 if (mod
& GL_EIGHTH_BIT_ATI
)
114 strncat(ret_str
, "|EI", 1024);
116 if (mod
& GL_SATURATE_BIT_ATI
)
117 strncat(ret_str
, "|SAT", 1024);
119 if (strlen(ret_str
) == 0)
120 strncat(ret_str
, "NONE", 1024);
124 static char *atifs_ops
[] = {"ColorFragmentOp1ATI", "ColorFragmentOp2ATI", "ColorFragmentOp3ATI",
125 "AlphaFragmentOp1ATI", "AlphaFragmentOp2ATI", "AlphaFragmentOp3ATI" };
127 static void debug_op(GLint optype
, GLuint arg_count
, GLenum op
, GLuint dst
,
128 GLuint dstMask
, GLuint dstMod
, GLuint arg1
,
129 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
130 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
131 GLuint arg3Rep
, GLuint arg3Mod
)
135 op_name
= atifs_ops
[(arg_count
-1)+(optype
?3:0)];
137 fprintf(stderr
, "%s(%s, %s", op_name
, _mesa_enum_to_string(op
),
138 _mesa_enum_to_string(dst
));
140 fprintf(stderr
, ", %d", dstMask
);
142 fprintf(stderr
, ", %s", create_dst_mod_str(dstMod
));
144 fprintf(stderr
, ", %s, %s, %d", _mesa_enum_to_string(arg1
),
145 _mesa_enum_to_string(arg1Rep
), arg1Mod
);
147 fprintf(stderr
, ", %s, %s, %d", _mesa_enum_to_string(arg2
),
148 _mesa_enum_to_string(arg2Rep
), arg2Mod
);
150 fprintf(stderr
, ", %s, %s, %d", _mesa_enum_to_string(arg3
),
151 _mesa_enum_to_string(arg3Rep
), arg3Mod
);
153 fprintf(stderr
,")\n");
158 static int check_arith_arg(struct ati_fragment_shader
*curProg
,
159 GLuint optype
, GLuint arg
, GLuint argRep
)
161 GET_CURRENT_CONTEXT(ctx
);
163 if (((arg
< GL_CON_0_ATI
) || (arg
> GL_CON_7_ATI
)) &&
164 ((arg
< GL_REG_0_ATI
) || (arg
> GL_REG_5_ATI
)) &&
165 (arg
!= GL_ZERO
) && (arg
!= GL_ONE
) &&
166 (arg
!= GL_PRIMARY_COLOR_ARB
) && (arg
!= GL_SECONDARY_INTERPOLATOR_ATI
)) {
167 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(arg)");
170 if ((arg
== GL_SECONDARY_INTERPOLATOR_ATI
) && (((optype
== 0) && (argRep
== GL_ALPHA
)) ||
171 ((optype
== 1) && ((arg
== GL_ALPHA
) || (argRep
== GL_NONE
))))) {
172 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(sec_interp)");
175 if ((arg
== GL_SECONDARY_INTERPOLATOR_ATI
) && (((optype
== 0) && (argRep
== GL_ALPHA
)) ||
176 ((optype
== 1) && ((arg
== GL_ALPHA
) || (argRep
== GL_NONE
))))) {
177 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(sec_interp)");
180 if ((curProg
->cur_pass
== 1) &&
181 ((arg
== GL_PRIMARY_COLOR_ARB
) || (arg
== GL_SECONDARY_INTERPOLATOR_ATI
))) {
182 curProg
->interpinp1
= GL_TRUE
;
188 _mesa_GenFragmentShadersATI(GLuint range
)
192 GET_CURRENT_CONTEXT(ctx
);
195 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGenFragmentShadersATI(range)");
199 if (ctx
->ATIFragmentShader
.Compiling
) {
200 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glGenFragmentShadersATI(insideShader)");
204 _mesa_HashLockMutex(ctx
->Shared
->ATIShaders
);
206 first
= _mesa_HashFindFreeKeyBlock(ctx
->Shared
->ATIShaders
, range
);
207 for (i
= 0; i
< range
; i
++) {
208 _mesa_HashInsertLocked(ctx
->Shared
->ATIShaders
, first
+ i
, &DummyShader
);
211 _mesa_HashUnlockMutex(ctx
->Shared
->ATIShaders
);
217 _mesa_BindFragmentShaderATI(GLuint id
)
219 GET_CURRENT_CONTEXT(ctx
);
220 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
221 struct ati_fragment_shader
*newProg
;
223 if (ctx
->ATIFragmentShader
.Compiling
) {
224 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBindFragmentShaderATI(insideShader)");
228 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
230 if (curProg
->Id
== id
) {
235 if (curProg
->Id
!= 0) {
237 if (curProg
->RefCount
<= 0) {
238 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
242 /* find new shader */
244 newProg
= ctx
->Shared
->DefaultFragmentShader
;
247 newProg
= (struct ati_fragment_shader
*)
248 _mesa_HashLookup(ctx
->Shared
->ATIShaders
, id
);
249 if (!newProg
|| newProg
== &DummyShader
) {
250 /* allocate a new program now */
251 newProg
= _mesa_new_ati_fragment_shader(ctx
, id
);
253 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glBindFragmentShaderATI");
256 _mesa_HashInsert(ctx
->Shared
->ATIShaders
, id
, newProg
);
262 ctx
->ATIFragmentShader
.Current
= newProg
;
264 assert(ctx
->ATIFragmentShader
.Current
);
270 _mesa_DeleteFragmentShaderATI(GLuint id
)
272 GET_CURRENT_CONTEXT(ctx
);
274 if (ctx
->ATIFragmentShader
.Compiling
) {
275 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glDeleteFragmentShaderATI(insideShader)");
280 struct ati_fragment_shader
*prog
= (struct ati_fragment_shader
*)
281 _mesa_HashLookup(ctx
->Shared
->ATIShaders
, id
);
282 if (prog
== &DummyShader
) {
283 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
286 if (ctx
->ATIFragmentShader
.Current
&&
287 ctx
->ATIFragmentShader
.Current
->Id
== id
) {
288 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
289 _mesa_BindFragmentShaderATI(0);
293 /* The ID is immediately available for re-use now */
294 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
297 if (prog
->RefCount
<= 0) {
298 assert(prog
!= &DummyShader
);
299 _mesa_delete_ati_fragment_shader(ctx
, prog
);
307 _mesa_BeginFragmentShaderATI(void)
310 GET_CURRENT_CONTEXT(ctx
);
312 if (ctx
->ATIFragmentShader
.Compiling
) {
313 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBeginFragmentShaderATI(insideShader)");
317 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
319 /* if the shader was already defined free instructions and get new ones
320 (or, could use the same mem but would need to reinitialize) */
321 /* no idea if it's allowed to redefine a shader */
322 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
323 free(ctx
->ATIFragmentShader
.Current
->Instructions
[i
]);
324 free(ctx
->ATIFragmentShader
.Current
->SetupInst
[i
]);
327 _mesa_reference_program(ctx
, &ctx
->ATIFragmentShader
.Current
->Program
, NULL
);
329 /* malloc the instructions here - not sure if the best place but its
331 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
332 ctx
->ATIFragmentShader
.Current
->Instructions
[i
] =
333 calloc(sizeof(struct atifs_instruction
),
334 MAX_NUM_INSTRUCTIONS_PER_PASS_ATI
);
335 ctx
->ATIFragmentShader
.Current
->SetupInst
[i
] =
336 calloc(sizeof(struct atifs_setupinst
),
337 MAX_NUM_FRAGMENT_REGISTERS_ATI
);
340 /* can't rely on calloc for initialization as it's possible to redefine a shader (?) */
341 ctx
->ATIFragmentShader
.Current
->LocalConstDef
= 0;
342 ctx
->ATIFragmentShader
.Current
->numArithInstr
[0] = 0;
343 ctx
->ATIFragmentShader
.Current
->numArithInstr
[1] = 0;
344 ctx
->ATIFragmentShader
.Current
->regsAssigned
[0] = 0;
345 ctx
->ATIFragmentShader
.Current
->regsAssigned
[1] = 0;
346 ctx
->ATIFragmentShader
.Current
->NumPasses
= 0;
347 ctx
->ATIFragmentShader
.Current
->cur_pass
= 0;
348 ctx
->ATIFragmentShader
.Current
->last_optype
= 0;
349 ctx
->ATIFragmentShader
.Current
->interpinp1
= GL_FALSE
;
350 ctx
->ATIFragmentShader
.Current
->isValid
= GL_FALSE
;
351 ctx
->ATIFragmentShader
.Current
->swizzlerq
= 0;
352 ctx
->ATIFragmentShader
.Compiling
= 1;
353 #if MESA_DEBUG_ATI_FS
354 _mesa_debug(ctx
, "%s %u\n", __func__
, ctx
->ATIFragmentShader
.Current
->Id
);
359 _mesa_EndFragmentShaderATI(void)
361 GET_CURRENT_CONTEXT(ctx
);
362 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
363 #if MESA_DEBUG_ATI_FS
367 if (!ctx
->ATIFragmentShader
.Compiling
) {
368 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(outsideShader)");
371 if (curProg
->interpinp1
&& (ctx
->ATIFragmentShader
.Current
->cur_pass
> 1)) {
372 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(interpinfirstpass)");
373 /* according to spec, DON'T return here */
376 match_pair_inst(curProg
, 0);
377 ctx
->ATIFragmentShader
.Compiling
= 0;
378 ctx
->ATIFragmentShader
.Current
->isValid
= GL_TRUE
;
379 if ((ctx
->ATIFragmentShader
.Current
->cur_pass
== 0) ||
380 (ctx
->ATIFragmentShader
.Current
->cur_pass
== 2)) {
381 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(noarithinst)");
383 if (ctx
->ATIFragmentShader
.Current
->cur_pass
> 1)
384 ctx
->ATIFragmentShader
.Current
->NumPasses
= 2;
386 ctx
->ATIFragmentShader
.Current
->NumPasses
= 1;
388 ctx
->ATIFragmentShader
.Current
->cur_pass
= 0;
390 #if MESA_DEBUG_ATI_FS
391 for (j
= 0; j
< MAX_NUM_PASSES_ATI
; j
++) {
392 for (i
= 0; i
< MAX_NUM_FRAGMENT_REGISTERS_ATI
; i
++) {
393 GLuint op
= curProg
->SetupInst
[j
][i
].Opcode
;
394 const char *op_enum
= op
> 5 ? _mesa_enum_to_string(op
) : "0";
395 GLuint src
= curProg
->SetupInst
[j
][i
].src
;
396 GLuint swizzle
= curProg
->SetupInst
[j
][i
].swizzle
;
397 fprintf(stderr
, "%2d %04X %s %d %04X\n", i
, op
, op_enum
, src
,
400 for (i
= 0; i
< curProg
->numArithInstr
[j
]; i
++) {
401 GLuint op0
= curProg
->Instructions
[j
][i
].Opcode
[0];
402 GLuint op1
= curProg
->Instructions
[j
][i
].Opcode
[1];
403 const char *op0_enum
= op0
> 5 ? _mesa_enum_to_string(op0
) : "0";
404 const char *op1_enum
= op1
> 5 ? _mesa_enum_to_string(op1
) : "0";
405 GLuint count0
= curProg
->Instructions
[j
][i
].ArgCount
[0];
406 GLuint count1
= curProg
->Instructions
[j
][i
].ArgCount
[1];
407 fprintf(stderr
, "%2d %04X %s %d %04X %s %d\n", i
, op0
, op0_enum
, count0
,
408 op1
, op1_enum
, count1
);
413 if (ctx
->Driver
.NewATIfs
) {
414 struct gl_program
*prog
= ctx
->Driver
.NewATIfs(ctx
,
415 ctx
->ATIFragmentShader
.Current
);
416 _mesa_reference_program(ctx
, &ctx
->ATIFragmentShader
.Current
->Program
, prog
);
419 if (!ctx
->Driver
.ProgramStringNotify(ctx
, GL_FRAGMENT_SHADER_ATI
,
421 ctx
->ATIFragmentShader
.Current
->isValid
= GL_FALSE
;
422 /* XXX is this the right error? */
423 _mesa_error(ctx
, GL_INVALID_OPERATION
,
424 "glEndFragmentShaderATI(driver rejected shader)");
429 _mesa_PassTexCoordATI(GLuint dst
, GLuint coord
, GLenum swizzle
)
431 GET_CURRENT_CONTEXT(ctx
);
432 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
433 struct atifs_setupinst
*curI
;
435 if (!ctx
->ATIFragmentShader
.Compiling
) {
436 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(outsideShader)");
440 if (curProg
->cur_pass
== 1) {
441 match_pair_inst(curProg
, 0);
442 curProg
->cur_pass
= 2;
444 if ((curProg
->cur_pass
> 2) ||
445 ((1 << (dst
- GL_REG_0_ATI
)) & curProg
->regsAssigned
[curProg
->cur_pass
>> 1])) {
446 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoord(pass)");
449 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
) ||
450 ((dst
- GL_REG_0_ATI
) >= ctx
->Const
.MaxTextureUnits
)) {
451 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(dst)");
454 if (((coord
< GL_REG_0_ATI
) || (coord
> GL_REG_5_ATI
)) &&
455 ((coord
< GL_TEXTURE0_ARB
) || (coord
> GL_TEXTURE7_ARB
) ||
456 ((coord
- GL_TEXTURE0_ARB
) >= ctx
->Const
.MaxTextureUnits
))) {
457 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(coord)");
460 if ((curProg
->cur_pass
== 0) && (coord
>= GL_REG_0_ATI
)) {
461 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(coord)");
464 if (!(swizzle
>= GL_SWIZZLE_STR_ATI
) && (swizzle
<= GL_SWIZZLE_STQ_DQ_ATI
)) {
465 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(swizzle)");
468 if ((swizzle
& 1) && (coord
>= GL_REG_0_ATI
)) {
469 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(swizzle)");
472 if (coord
<= GL_TEXTURE7_ARB
) {
473 GLuint tmp
= coord
- GL_TEXTURE0_ARB
;
474 if ((((curProg
->swizzlerq
>> (tmp
* 2)) & 3) != 0) &&
475 (((swizzle
& 1) + 1) != ((curProg
->swizzlerq
>> (tmp
* 2)) & 3))) {
476 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(swizzle)");
479 curProg
->swizzlerq
|= (((swizzle
& 1) + 1) << (tmp
* 2));
483 curProg
->regsAssigned
[curProg
->cur_pass
>> 1] |= 1 << (dst
- GL_REG_0_ATI
);
484 new_tex_inst(curProg
);
486 /* add the instructions */
487 curI
= &curProg
->SetupInst
[curProg
->cur_pass
>> 1][dst
- GL_REG_0_ATI
];
489 curI
->Opcode
= ATI_FRAGMENT_SHADER_PASS_OP
;
491 curI
->swizzle
= swizzle
;
493 #if MESA_DEBUG_ATI_FS
494 _mesa_debug(ctx
, "%s(%s, %s, %s)\n", __func__
,
495 _mesa_enum_to_string(dst
), _mesa_enum_to_string(coord
),
496 _mesa_enum_to_string(swizzle
));
501 _mesa_SampleMapATI(GLuint dst
, GLuint interp
, GLenum swizzle
)
503 GET_CURRENT_CONTEXT(ctx
);
504 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
505 struct atifs_setupinst
*curI
;
507 if (!ctx
->ATIFragmentShader
.Compiling
) {
508 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(outsideShader)");
512 if (curProg
->cur_pass
== 1) {
513 match_pair_inst(curProg
, 0);
514 curProg
->cur_pass
= 2;
516 if ((curProg
->cur_pass
> 2) ||
517 ((1 << (dst
- GL_REG_0_ATI
)) & curProg
->regsAssigned
[curProg
->cur_pass
>> 1])) {
518 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(pass)");
521 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
) ||
522 ((dst
- GL_REG_0_ATI
) >= ctx
->Const
.MaxTextureUnits
)) {
523 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(dst)");
526 if (((interp
< GL_REG_0_ATI
) || (interp
> GL_REG_5_ATI
)) &&
527 ((interp
< GL_TEXTURE0_ARB
) || (interp
> GL_TEXTURE7_ARB
) ||
528 ((interp
- GL_TEXTURE0_ARB
) >= ctx
->Const
.MaxTextureUnits
))) {
529 /* is this texture5 or texture7? spec is a bit unclear there */
530 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(interp)");
533 if ((curProg
->cur_pass
== 0) && (interp
>= GL_REG_0_ATI
)) {
534 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(interp)");
537 if (!(swizzle
>= GL_SWIZZLE_STR_ATI
) && (swizzle
<= GL_SWIZZLE_STQ_DQ_ATI
)) {
538 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(swizzle)");
541 if ((swizzle
& 1) && (interp
>= GL_REG_0_ATI
)) {
542 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(swizzle)");
545 if (interp
<= GL_TEXTURE7_ARB
) {
546 GLuint tmp
= interp
- GL_TEXTURE0_ARB
;
547 if ((((curProg
->swizzlerq
>> (tmp
* 2)) & 3) != 0) &&
548 (((swizzle
& 1) + 1) != ((curProg
->swizzlerq
>> (tmp
* 2)) & 3))) {
549 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(swizzle)");
552 curProg
->swizzlerq
|= (((swizzle
& 1) + 1) << (tmp
* 2));
556 curProg
->regsAssigned
[curProg
->cur_pass
>> 1] |= 1 << (dst
- GL_REG_0_ATI
);
557 new_tex_inst(curProg
);
559 /* add the instructions */
560 curI
= &curProg
->SetupInst
[curProg
->cur_pass
>> 1][dst
- GL_REG_0_ATI
];
562 curI
->Opcode
= ATI_FRAGMENT_SHADER_SAMPLE_OP
;
564 curI
->swizzle
= swizzle
;
566 #if MESA_DEBUG_ATI_FS
567 _mesa_debug(ctx
, "%s(%s, %s, %s)\n", __func__
,
568 _mesa_enum_to_string(dst
), _mesa_enum_to_string(interp
),
569 _mesa_enum_to_string(swizzle
));
574 _mesa_FragmentOpXATI(GLint optype
, GLuint arg_count
, GLenum op
, GLuint dst
,
575 GLuint dstMask
, GLuint dstMod
, GLuint arg1
,
576 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
577 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
578 GLuint arg3Rep
, GLuint arg3Mod
)
580 GET_CURRENT_CONTEXT(ctx
);
581 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
583 struct atifs_instruction
*curI
;
584 GLuint modtemp
= dstMod
& ~GL_SATURATE_BIT_ATI
;
586 if (!ctx
->ATIFragmentShader
.Compiling
) {
587 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(outsideShader)");
591 if (curProg
->cur_pass
==0)
594 else if (curProg
->cur_pass
==2)
597 /* decide whether this is a new instruction or not ... all color instructions are new,
598 and alpha instructions might also be new if there was no preceding color inst */
599 if ((optype
== 0) || (curProg
->last_optype
== optype
)) {
600 if (curProg
->numArithInstr
[curProg
->cur_pass
>> 1] > 7) {
601 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(instrCount)");
604 /* easier to do that here slight side effect invalid instr will still be inserted as nops */
605 match_pair_inst(curProg
, optype
);
606 new_arith_inst(curProg
);
608 curProg
->last_optype
= optype
;
609 ci
= curProg
->numArithInstr
[curProg
->cur_pass
>> 1] - 1;
611 /* add the instructions */
612 curI
= &curProg
->Instructions
[curProg
->cur_pass
>> 1][ci
];
615 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
)) {
616 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(dst)");
619 if ((modtemp
!= GL_NONE
) && (modtemp
!= GL_2X_BIT_ATI
) &&
620 (modtemp
!= GL_4X_BIT_ATI
) && (modtemp
!= GL_8X_BIT_ATI
) &&
621 (modtemp
!= GL_HALF_BIT_ATI
) && !(modtemp
!= GL_QUARTER_BIT_ATI
) &&
622 (modtemp
!= GL_EIGHTH_BIT_ATI
)) {
623 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(dstMod)%x", modtemp
);
626 /* op checking? Actually looks like that's missing in the spec but we'll do it anyway */
627 if (((op
< GL_ADD_ATI
) || (op
> GL_DOT2_ADD_ATI
)) && !(op
== GL_MOV_ATI
)) {
628 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(op)");
632 if (((op
== GL_DOT2_ADD_ATI
) && (curI
->Opcode
[0] != GL_DOT2_ADD_ATI
)) ||
633 ((op
== GL_DOT3_ATI
) && (curI
->Opcode
[0] != GL_DOT3_ATI
)) ||
634 ((op
== GL_DOT4_ATI
) && (curI
->Opcode
[0] != GL_DOT4_ATI
)) ||
635 ((op
!= GL_DOT4_ATI
) && (curI
->Opcode
[0] == GL_DOT4_ATI
))) {
636 _mesa_error(ctx
, GL_INVALID_OPERATION
, "AFragmentOpATI(op)");
640 if ((op
== GL_DOT4_ATI
) &&
641 (((arg1
== GL_SECONDARY_INTERPOLATOR_ATI
) && ((arg1Rep
== GL_ALPHA
) || (arg1Rep
== GL_NONE
))) ||
642 (((arg2
== GL_SECONDARY_INTERPOLATOR_ATI
) && ((arg2Rep
== GL_ALPHA
) || (arg2Rep
== GL_NONE
)))))) {
643 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(sec_interp)");
646 if (!check_arith_arg(curProg
, optype
, arg1
, arg1Rep
)) {
650 if (!check_arith_arg(curProg
, optype
, arg2
, arg2Rep
)) {
655 if (!check_arith_arg(curProg
, optype
, arg3
, arg3Rep
)) {
658 if ((arg1
>= GL_CON_0_ATI
) && (arg1
<= GL_CON_7_ATI
) &&
659 (arg2
>= GL_CON_0_ATI
) && (arg2
<= GL_CON_7_ATI
) &&
660 (arg3
>= GL_CON_0_ATI
) && (arg3
<= GL_CON_7_ATI
) &&
661 (arg1
!= arg2
) && (arg1
!= arg3
) && (arg2
!= arg3
)) {
662 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(3Consts)");
667 /* all ok - not all fully validated though (e.g. argNMod - spec doesn't say anything) */
669 curI
->Opcode
[optype
] = op
;
670 curI
->SrcReg
[optype
][0].Index
= arg1
;
671 curI
->SrcReg
[optype
][0].argRep
= arg1Rep
;
672 curI
->SrcReg
[optype
][0].argMod
= arg1Mod
;
673 curI
->ArgCount
[optype
] = arg_count
;
676 curI
->SrcReg
[optype
][1].Index
= arg2
;
677 curI
->SrcReg
[optype
][1].argRep
= arg2Rep
;
678 curI
->SrcReg
[optype
][1].argMod
= arg2Mod
;
682 curI
->SrcReg
[optype
][2].Index
= arg3
;
683 curI
->SrcReg
[optype
][2].argRep
= arg3Rep
;
684 curI
->SrcReg
[optype
][2].argMod
= arg3Mod
;
687 curI
->DstReg
[optype
].Index
= dst
;
688 curI
->DstReg
[optype
].dstMod
= dstMod
;
689 curI
->DstReg
[optype
].dstMask
= dstMask
;
691 #if MESA_DEBUG_ATI_FS
692 debug_op(optype
, arg_count
, op
, dst
, dstMask
, dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, arg3
, arg3Rep
, arg3Mod
);
698 _mesa_ColorFragmentOp1ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
699 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
702 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 1, op
, dst
, dstMask
,
703 dstMod
, arg1
, arg1Rep
, arg1Mod
, 0, 0, 0, 0, 0, 0);
707 _mesa_ColorFragmentOp2ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
708 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
709 GLuint arg1Mod
, GLuint arg2
, GLuint arg2Rep
,
712 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 2, op
, dst
, dstMask
,
713 dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
,
718 _mesa_ColorFragmentOp3ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
719 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
720 GLuint arg1Mod
, GLuint arg2
, GLuint arg2Rep
,
721 GLuint arg2Mod
, GLuint arg3
, GLuint arg3Rep
,
724 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 3, op
, dst
, dstMask
,
725 dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
,
726 arg2Mod
, arg3
, arg3Rep
, arg3Mod
);
730 _mesa_AlphaFragmentOp1ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
731 GLuint arg1Rep
, GLuint arg1Mod
)
733 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 1, op
, dst
, 0, dstMod
,
734 arg1
, arg1Rep
, arg1Mod
, 0, 0, 0, 0, 0, 0);
738 _mesa_AlphaFragmentOp2ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
739 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
740 GLuint arg2Rep
, GLuint arg2Mod
)
742 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 2, op
, dst
, 0, dstMod
,
743 arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, 0, 0,
748 _mesa_AlphaFragmentOp3ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
749 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
750 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
751 GLuint arg3Rep
, GLuint arg3Mod
)
753 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 3, op
, dst
, 0, dstMod
,
754 arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, arg3
,
759 _mesa_SetFragmentShaderConstantATI(GLuint dst
, const GLfloat
* value
)
762 GET_CURRENT_CONTEXT(ctx
);
764 if ((dst
< GL_CON_0_ATI
) || (dst
> GL_CON_7_ATI
)) {
765 /* spec says nothing about what should happen here but we can't just segfault...*/
766 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSetFragmentShaderConstantATI(dst)");
770 dstindex
= dst
- GL_CON_0_ATI
;
771 if (ctx
->ATIFragmentShader
.Compiling
) {
772 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
773 COPY_4V(curProg
->Constants
[dstindex
], value
);
774 curProg
->LocalConstDef
|= 1 << dstindex
;
777 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
778 COPY_4V(ctx
->ATIFragmentShader
.GlobalConstants
[dstindex
], value
);