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 "atifragshader.h"
34 #if FEATURE_ATI_fragment_shader
36 #define MESA_DEBUG_ATI_FS 0
38 static struct ati_fragment_shader DummyShader
;
42 _mesa_init_ati_fragment_shader_dispatch(struct _glapi_table
*disp
)
44 SET_GenFragmentShadersATI(disp
, _mesa_GenFragmentShadersATI
);
45 SET_BindFragmentShaderATI(disp
, _mesa_BindFragmentShaderATI
);
46 SET_DeleteFragmentShaderATI(disp
, _mesa_DeleteFragmentShaderATI
);
47 SET_BeginFragmentShaderATI(disp
, _mesa_BeginFragmentShaderATI
);
48 SET_EndFragmentShaderATI(disp
, _mesa_EndFragmentShaderATI
);
49 SET_PassTexCoordATI(disp
, _mesa_PassTexCoordATI
);
50 SET_SampleMapATI(disp
, _mesa_SampleMapATI
);
51 SET_ColorFragmentOp1ATI(disp
, _mesa_ColorFragmentOp1ATI
);
52 SET_ColorFragmentOp2ATI(disp
, _mesa_ColorFragmentOp2ATI
);
53 SET_ColorFragmentOp3ATI(disp
, _mesa_ColorFragmentOp3ATI
);
54 SET_AlphaFragmentOp1ATI(disp
, _mesa_AlphaFragmentOp1ATI
);
55 SET_AlphaFragmentOp2ATI(disp
, _mesa_AlphaFragmentOp2ATI
);
56 SET_AlphaFragmentOp3ATI(disp
, _mesa_AlphaFragmentOp3ATI
);
57 SET_SetFragmentShaderConstantATI(disp
, _mesa_SetFragmentShaderConstantATI
);
62 * Allocate and initialize a new ATI fragment shader object.
64 struct ati_fragment_shader
*
65 _mesa_new_ati_fragment_shader(GLcontext
*ctx
, GLuint id
)
67 struct ati_fragment_shader
*s
= CALLOC_STRUCT(ati_fragment_shader
);
78 * Delete the given ati fragment shader
81 _mesa_delete_ati_fragment_shader(GLcontext
*ctx
, struct ati_fragment_shader
*s
)
84 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
85 if (s
->Instructions
[i
])
86 free(s
->Instructions
[i
]);
88 free(s
->SetupInst
[i
]);
96 new_arith_inst(struct ati_fragment_shader
*prog
)
98 /* set "default" instruction as not all may get defined.
99 there is no specified way to express a nop with ati fragment shaders we use
100 GL_NONE as the op enum and just set some params to 0 - so nothing to do here */
101 prog
->numArithInstr
[prog
->cur_pass
>> 1]++;
105 new_tex_inst(struct ati_fragment_shader
*prog
)
109 static void match_pair_inst(struct ati_fragment_shader
*curProg
, GLuint optype
)
111 if (optype
== curProg
->last_optype
) {
112 curProg
->last_optype
= 1;
116 #if MESA_DEBUG_ATI_FS
118 create_dst_mod_str(GLuint mod
)
120 static char ret_str
[1024];
122 memset(ret_str
, 0, 1024);
123 if (mod
& GL_2X_BIT_ATI
)
124 strncat(ret_str
, "|2X", 1024);
126 if (mod
& GL_4X_BIT_ATI
)
127 strncat(ret_str
, "|4X", 1024);
129 if (mod
& GL_8X_BIT_ATI
)
130 strncat(ret_str
, "|8X", 1024);
131 if (mod
& GL_HALF_BIT_ATI
)
132 strncat(ret_str
, "|HA", 1024);
133 if (mod
& GL_QUARTER_BIT_ATI
)
134 strncat(ret_str
, "|QU", 1024);
135 if (mod
& GL_EIGHTH_BIT_ATI
)
136 strncat(ret_str
, "|EI", 1024);
138 if (mod
& GL_SATURATE_BIT_ATI
)
139 strncat(ret_str
, "|SAT", 1024);
141 if (strlen(ret_str
) == 0)
142 strncat(ret_str
, "NONE", 1024);
146 static char *atifs_ops
[] = {"ColorFragmentOp1ATI", "ColorFragmentOp2ATI", "ColorFragmentOp3ATI",
147 "AlphaFragmentOp1ATI", "AlphaFragmentOp2ATI", "AlphaFragmentOp3ATI" };
149 static void debug_op(GLint optype
, GLuint arg_count
, GLenum op
, GLuint dst
,
150 GLuint dstMask
, GLuint dstMod
, GLuint arg1
,
151 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
152 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
153 GLuint arg3Rep
, GLuint arg3Mod
)
157 op_name
= atifs_ops
[(arg_count
-1)+(optype
?3:0)];
159 fprintf(stderr
, "%s(%s, %s", op_name
, _mesa_lookup_enum_by_nr(op
),
160 _mesa_lookup_enum_by_nr(dst
));
162 fprintf(stderr
, ", %d", dstMask
);
164 fprintf(stderr
, ", %s", create_dst_mod_str(dstMod
));
166 fprintf(stderr
, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg1
),
167 _mesa_lookup_enum_by_nr(arg1Rep
), arg1Mod
);
169 fprintf(stderr
, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg2
),
170 _mesa_lookup_enum_by_nr(arg2Rep
), arg2Mod
);
172 fprintf(stderr
, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg3
),
173 _mesa_lookup_enum_by_nr(arg3Rep
), arg3Mod
);
175 fprintf(stderr
,")\n");
180 static int check_arith_arg(struct ati_fragment_shader
*curProg
,
181 GLuint optype
, GLuint arg
, GLuint argRep
)
183 GET_CURRENT_CONTEXT(ctx
);
185 if (((arg
< GL_CON_0_ATI
) || (arg
> GL_CON_7_ATI
)) &&
186 ((arg
< GL_REG_0_ATI
) || (arg
> GL_REG_5_ATI
)) &&
187 (arg
!= GL_ZERO
) && (arg
!= GL_ONE
) &&
188 (arg
!= GL_PRIMARY_COLOR_ARB
) && (arg
!= GL_SECONDARY_INTERPOLATOR_ATI
)) {
189 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(arg)");
192 if ((arg
== GL_SECONDARY_INTERPOLATOR_ATI
) && (((optype
== 0) && (argRep
== GL_ALPHA
)) ||
193 ((optype
== 1) && ((arg
== GL_ALPHA
) || (argRep
== GL_NONE
))))) {
194 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(sec_interp)");
197 if ((arg
== GL_SECONDARY_INTERPOLATOR_ATI
) && (((optype
== 0) && (argRep
== GL_ALPHA
)) ||
198 ((optype
== 1) && ((arg
== GL_ALPHA
) || (argRep
== GL_NONE
))))) {
199 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(sec_interp)");
202 if ((curProg
->cur_pass
== 1) &&
203 ((arg
== GL_PRIMARY_COLOR_ARB
) || (arg
== GL_SECONDARY_INTERPOLATOR_ATI
))) {
204 curProg
->interpinp1
= GL_TRUE
;
210 _mesa_GenFragmentShadersATI(GLuint range
)
214 GET_CURRENT_CONTEXT(ctx
);
217 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGenFragmentShadersATI(range)");
221 if (ctx
->ATIFragmentShader
.Compiling
) {
222 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glGenFragmentShadersATI(insideShader)");
226 first
= _mesa_HashFindFreeKeyBlock(ctx
->Shared
->ATIShaders
, range
);
227 for (i
= 0; i
< range
; i
++) {
228 _mesa_HashInsert(ctx
->Shared
->ATIShaders
, first
+ i
, &DummyShader
);
235 _mesa_BindFragmentShaderATI(GLuint id
)
237 GET_CURRENT_CONTEXT(ctx
);
238 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
239 struct ati_fragment_shader
*newProg
;
241 if (ctx
->ATIFragmentShader
.Compiling
) {
242 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBindFragmentShaderATI(insideShader)");
246 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
248 if (curProg
->Id
== id
) {
253 if (curProg
->Id
!= 0) {
255 if (curProg
->RefCount
<= 0) {
256 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
260 /* find new shader */
262 newProg
= ctx
->Shared
->DefaultFragmentShader
;
265 newProg
= (struct ati_fragment_shader
*)
266 _mesa_HashLookup(ctx
->Shared
->ATIShaders
, id
);
267 if (!newProg
|| newProg
== &DummyShader
) {
268 /* allocate a new program now */
269 newProg
= _mesa_new_ati_fragment_shader(ctx
, id
);
271 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glBindFragmentShaderATI");
274 _mesa_HashInsert(ctx
->Shared
->ATIShaders
, id
, newProg
);
280 ctx
->ATIFragmentShader
.Current
= newProg
;
282 ASSERT(ctx
->ATIFragmentShader
.Current
);
286 /*if (ctx->Driver.BindProgram)
287 ctx->Driver.BindProgram(ctx, target, prog); */
291 _mesa_DeleteFragmentShaderATI(GLuint id
)
293 GET_CURRENT_CONTEXT(ctx
);
295 if (ctx
->ATIFragmentShader
.Compiling
) {
296 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glDeleteFragmentShaderATI(insideShader)");
301 struct ati_fragment_shader
*prog
= (struct ati_fragment_shader
*)
302 _mesa_HashLookup(ctx
->Shared
->ATIShaders
, id
);
303 if (prog
== &DummyShader
) {
304 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
307 if (ctx
->ATIFragmentShader
.Current
&&
308 ctx
->ATIFragmentShader
.Current
->Id
== id
) {
309 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
310 _mesa_BindFragmentShaderATI(0);
314 /* The ID is immediately available for re-use now */
315 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
318 if (prog
->RefCount
<= 0) {
327 _mesa_BeginFragmentShaderATI(void)
330 GET_CURRENT_CONTEXT(ctx
);
332 if (ctx
->ATIFragmentShader
.Compiling
) {
333 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBeginFragmentShaderATI(insideShader)");
337 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
339 /* if the shader was already defined free instructions and get new ones
340 (or, could use the same mem but would need to reinitialize) */
341 /* no idea if it's allowed to redefine a shader */
342 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
343 if (ctx
->ATIFragmentShader
.Current
->Instructions
[i
])
344 free(ctx
->ATIFragmentShader
.Current
->Instructions
[i
]);
345 if (ctx
->ATIFragmentShader
.Current
->SetupInst
[i
])
346 free(ctx
->ATIFragmentShader
.Current
->SetupInst
[i
]);
349 /* malloc the instructions here - not sure if the best place but its
351 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
352 ctx
->ATIFragmentShader
.Current
->Instructions
[i
] =
353 (struct atifs_instruction
*)
354 calloc(1, sizeof(struct atifs_instruction
) *
355 (MAX_NUM_INSTRUCTIONS_PER_PASS_ATI
));
356 ctx
->ATIFragmentShader
.Current
->SetupInst
[i
] =
357 (struct atifs_setupinst
*)
358 calloc(1, sizeof(struct atifs_setupinst
) *
359 (MAX_NUM_FRAGMENT_REGISTERS_ATI
));
362 /* can't rely on calloc for initialization as it's possible to redefine a shader (?) */
363 ctx
->ATIFragmentShader
.Current
->LocalConstDef
= 0;
364 ctx
->ATIFragmentShader
.Current
->numArithInstr
[0] = 0;
365 ctx
->ATIFragmentShader
.Current
->numArithInstr
[1] = 0;
366 ctx
->ATIFragmentShader
.Current
->regsAssigned
[0] = 0;
367 ctx
->ATIFragmentShader
.Current
->regsAssigned
[1] = 0;
368 ctx
->ATIFragmentShader
.Current
->NumPasses
= 0;
369 ctx
->ATIFragmentShader
.Current
->cur_pass
= 0;
370 ctx
->ATIFragmentShader
.Current
->last_optype
= 0;
371 ctx
->ATIFragmentShader
.Current
->interpinp1
= GL_FALSE
;
372 ctx
->ATIFragmentShader
.Current
->isValid
= GL_FALSE
;
373 ctx
->ATIFragmentShader
.Current
->swizzlerq
= 0;
374 ctx
->ATIFragmentShader
.Compiling
= 1;
378 _mesa_EndFragmentShaderATI(void)
380 GET_CURRENT_CONTEXT(ctx
);
381 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
382 #if MESA_DEBUG_ATI_FS
386 if (!ctx
->ATIFragmentShader
.Compiling
) {
387 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(outsideShader)");
390 if (curProg
->interpinp1
&& (ctx
->ATIFragmentShader
.Current
->cur_pass
> 1)) {
391 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(interpinfirstpass)");
392 /* according to spec, DON'T return here */
395 match_pair_inst(curProg
, 0);
396 ctx
->ATIFragmentShader
.Compiling
= 0;
397 ctx
->ATIFragmentShader
.Current
->isValid
= GL_TRUE
;
398 if ((ctx
->ATIFragmentShader
.Current
->cur_pass
== 0) ||
399 (ctx
->ATIFragmentShader
.Current
->cur_pass
== 2)) {
400 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(noarithinst)");
402 if (ctx
->ATIFragmentShader
.Current
->cur_pass
> 1)
403 ctx
->ATIFragmentShader
.Current
->NumPasses
= 2;
405 ctx
->ATIFragmentShader
.Current
->NumPasses
= 1;
407 ctx
->ATIFragmentShader
.Current
->cur_pass
= 0;
409 #if MESA_DEBUG_ATI_FS
410 for (j
= 0; j
< MAX_NUM_PASSES_ATI
; j
++) {
411 for (i
= 0; i
< MAX_NUM_FRAGMENT_REGISTERS_ATI
; i
++) {
412 GLuint op
= curProg
->SetupInst
[j
][i
].Opcode
;
413 const char *op_enum
= op
> 5 ? _mesa_lookup_enum_by_nr(op
) : "0";
414 GLuint src
= curProg
->SetupInst
[j
][i
].src
;
415 GLuint swizzle
= curProg
->SetupInst
[j
][i
].swizzle
;
416 fprintf(stderr
, "%2d %04X %s %d %04X\n", i
, op
, op_enum
, src
,
419 for (i
= 0; i
< curProg
->numArithInstr
[j
]; i
++) {
420 GLuint op0
= curProg
->Instructions
[j
][i
].Opcode
[0];
421 GLuint op1
= curProg
->Instructions
[j
][i
].Opcode
[1];
422 const char *op0_enum
= op0
> 5 ? _mesa_lookup_enum_by_nr(op0
) : "0";
423 const char *op1_enum
= op1
> 5 ? _mesa_lookup_enum_by_nr(op1
) : "0";
424 GLuint count0
= curProg
->Instructions
[j
][i
].ArgCount
[0];
425 GLuint count1
= curProg
->Instructions
[j
][i
].ArgCount
[1];
426 fprintf(stderr
, "%2d %04X %s %d %04X %s %d\n", i
, op0
, op0_enum
, count0
,
427 op1
, op1_enum
, count1
);
432 if (!ctx
->Driver
.ProgramStringNotify(ctx
, GL_FRAGMENT_SHADER_ATI
, NULL
)) {
433 ctx
->ATIFragmentShader
.Current
->isValid
= GL_FALSE
;
434 /* XXX is this the right error? */
435 _mesa_error(ctx
, GL_INVALID_OPERATION
,
436 "glEndFragmentShaderATI(driver rejected shader)");
441 _mesa_PassTexCoordATI(GLuint dst
, GLuint coord
, GLenum swizzle
)
443 GET_CURRENT_CONTEXT(ctx
);
444 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
445 struct atifs_setupinst
*curI
;
447 if (!ctx
->ATIFragmentShader
.Compiling
) {
448 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(outsideShader)");
452 if (curProg
->cur_pass
== 1) {
453 match_pair_inst(curProg
, 0);
454 curProg
->cur_pass
= 2;
456 if ((curProg
->cur_pass
> 2) ||
457 ((1 << (dst
- GL_REG_0_ATI
)) & curProg
->regsAssigned
[curProg
->cur_pass
>> 1])) {
458 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoord(pass)");
461 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
) ||
462 ((dst
- GL_REG_0_ATI
) >= ctx
->Const
.MaxTextureUnits
)) {
463 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(dst)");
466 if (((coord
< GL_REG_0_ATI
) || (coord
> GL_REG_5_ATI
)) &&
467 ((coord
< GL_TEXTURE0_ARB
) || (coord
> GL_TEXTURE7_ARB
) ||
468 ((coord
- GL_TEXTURE0_ARB
) >= ctx
->Const
.MaxTextureUnits
))) {
469 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(coord)");
472 if ((curProg
->cur_pass
== 0) && (coord
>= GL_REG_0_ATI
)) {
473 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(coord)");
476 if (!(swizzle
>= GL_SWIZZLE_STR_ATI
) && (swizzle
<= GL_SWIZZLE_STQ_DQ_ATI
)) {
477 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(swizzle)");
480 if ((swizzle
& 1) && (coord
>= GL_REG_0_ATI
)) {
481 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(swizzle)");
484 if (coord
<= GL_TEXTURE7_ARB
) {
485 GLuint tmp
= coord
- GL_TEXTURE0_ARB
;
486 if ((((curProg
->swizzlerq
>> (tmp
* 2)) & 3) != 0) &&
487 (((swizzle
& 1) + 1) != ((curProg
->swizzlerq
>> (tmp
* 2)) & 3))) {
488 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(swizzle)");
491 curProg
->swizzlerq
|= (((swizzle
& 1) + 1) << (tmp
* 2));
495 curProg
->regsAssigned
[curProg
->cur_pass
>> 1] |= 1 << (dst
- GL_REG_0_ATI
);
496 new_tex_inst(curProg
);
498 /* add the instructions */
499 curI
= &curProg
->SetupInst
[curProg
->cur_pass
>> 1][dst
- GL_REG_0_ATI
];
501 curI
->Opcode
= ATI_FRAGMENT_SHADER_PASS_OP
;
503 curI
->swizzle
= swizzle
;
505 #if MESA_DEBUG_ATI_FS
506 _mesa_debug(ctx
, "%s(%s, %s, %s)\n", __FUNCTION__
,
507 _mesa_lookup_enum_by_nr(dst
), _mesa_lookup_enum_by_nr(coord
),
508 _mesa_lookup_enum_by_nr(swizzle
));
513 _mesa_SampleMapATI(GLuint dst
, GLuint interp
, GLenum swizzle
)
515 GET_CURRENT_CONTEXT(ctx
);
516 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
517 struct atifs_setupinst
*curI
;
519 if (!ctx
->ATIFragmentShader
.Compiling
) {
520 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(outsideShader)");
524 if (curProg
->cur_pass
== 1) {
525 match_pair_inst(curProg
, 0);
526 curProg
->cur_pass
= 2;
528 if ((curProg
->cur_pass
> 2) ||
529 ((1 << (dst
- GL_REG_0_ATI
)) & curProg
->regsAssigned
[curProg
->cur_pass
>> 1])) {
530 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(pass)");
533 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
) ||
534 ((dst
- GL_REG_0_ATI
) >= ctx
->Const
.MaxTextureUnits
)) {
535 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(dst)");
538 if (((interp
< GL_REG_0_ATI
) || (interp
> GL_REG_5_ATI
)) &&
539 ((interp
< GL_TEXTURE0_ARB
) || (interp
> GL_TEXTURE7_ARB
) ||
540 ((interp
- GL_TEXTURE0_ARB
) >= ctx
->Const
.MaxTextureUnits
))) {
541 /* is this texture5 or texture7? spec is a bit unclear there */
542 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(interp)");
545 if ((curProg
->cur_pass
== 0) && (interp
>= GL_REG_0_ATI
)) {
546 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(interp)");
549 if (!(swizzle
>= GL_SWIZZLE_STR_ATI
) && (swizzle
<= GL_SWIZZLE_STQ_DQ_ATI
)) {
550 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(swizzle)");
553 if ((swizzle
& 1) && (interp
>= GL_REG_0_ATI
)) {
554 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(swizzle)");
557 if (interp
<= GL_TEXTURE7_ARB
) {
558 GLuint tmp
= interp
- GL_TEXTURE0_ARB
;
559 if ((((curProg
->swizzlerq
>> (tmp
* 2)) & 3) != 0) &&
560 (((swizzle
& 1) + 1) != ((curProg
->swizzlerq
>> (tmp
* 2)) & 3))) {
561 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(swizzle)");
564 curProg
->swizzlerq
|= (((swizzle
& 1) + 1) << (tmp
* 2));
568 curProg
->regsAssigned
[curProg
->cur_pass
>> 1] |= 1 << (dst
- GL_REG_0_ATI
);
569 new_tex_inst(curProg
);
571 /* add the instructions */
572 curI
= &curProg
->SetupInst
[curProg
->cur_pass
>> 1][dst
- GL_REG_0_ATI
];
574 curI
->Opcode
= ATI_FRAGMENT_SHADER_SAMPLE_OP
;
576 curI
->swizzle
= swizzle
;
578 #if MESA_DEBUG_ATI_FS
579 _mesa_debug(ctx
, "%s(%s, %s, %s)\n", __FUNCTION__
,
580 _mesa_lookup_enum_by_nr(dst
), _mesa_lookup_enum_by_nr(interp
),
581 _mesa_lookup_enum_by_nr(swizzle
));
586 _mesa_FragmentOpXATI(GLint optype
, GLuint arg_count
, GLenum op
, GLuint dst
,
587 GLuint dstMask
, GLuint dstMod
, GLuint arg1
,
588 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
589 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
590 GLuint arg3Rep
, GLuint arg3Mod
)
592 GET_CURRENT_CONTEXT(ctx
);
593 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
595 struct atifs_instruction
*curI
;
596 GLuint modtemp
= dstMod
& ~GL_SATURATE_BIT_ATI
;
598 if (!ctx
->ATIFragmentShader
.Compiling
) {
599 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(outsideShader)");
603 if (curProg
->cur_pass
==0)
606 else if (curProg
->cur_pass
==2)
609 /* decide whether this is a new instruction or not ... all color instructions are new,
610 and alpha instructions might also be new if there was no preceding color inst */
611 if ((optype
== 0) || (curProg
->last_optype
== optype
)) {
612 if (curProg
->numArithInstr
[curProg
->cur_pass
>> 1] > 7) {
613 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(instrCount)");
616 /* easier to do that here slight side effect invalid instr will still be inserted as nops */
617 match_pair_inst(curProg
, optype
);
618 new_arith_inst(curProg
);
620 curProg
->last_optype
= optype
;
621 ci
= curProg
->numArithInstr
[curProg
->cur_pass
>> 1] - 1;
623 /* add the instructions */
624 curI
= &curProg
->Instructions
[curProg
->cur_pass
>> 1][ci
];
627 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
)) {
628 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(dst)");
631 if ((modtemp
!= GL_NONE
) && (modtemp
!= GL_2X_BIT_ATI
) &&
632 (modtemp
!= GL_4X_BIT_ATI
) && (modtemp
!= GL_8X_BIT_ATI
) &&
633 (modtemp
!= GL_HALF_BIT_ATI
) && !(modtemp
!= GL_QUARTER_BIT_ATI
) &&
634 (modtemp
!= GL_EIGHTH_BIT_ATI
)) {
635 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(dstMod)%x", modtemp
);
638 /* op checking? Actually looks like that's missing in the spec but we'll do it anyway */
639 if (((op
< GL_ADD_ATI
) || (op
> GL_DOT2_ADD_ATI
)) && !(op
== GL_MOV_ATI
)) {
640 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(op)");
644 if (((op
== GL_DOT2_ADD_ATI
) && (curI
->Opcode
[0] != GL_DOT2_ADD_ATI
)) ||
645 ((op
== GL_DOT3_ATI
) && (curI
->Opcode
[0] != GL_DOT3_ATI
)) ||
646 ((op
== GL_DOT4_ATI
) && (curI
->Opcode
[0] != GL_DOT4_ATI
)) ||
647 ((op
!= GL_DOT4_ATI
) && (curI
->Opcode
[0] == GL_DOT4_ATI
))) {
648 _mesa_error(ctx
, GL_INVALID_OPERATION
, "AFragmentOpATI(op)");
652 if ((op
== GL_DOT4_ATI
) &&
653 (((arg1
== GL_SECONDARY_INTERPOLATOR_ATI
) && ((arg1Rep
== GL_ALPHA
) || (arg1Rep
== GL_NONE
))) ||
654 (((arg2
== GL_SECONDARY_INTERPOLATOR_ATI
) && ((arg2Rep
== GL_ALPHA
) || (arg2Rep
== GL_NONE
)))))) {
655 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(sec_interp)");
658 if (!check_arith_arg(curProg
, optype
, arg1
, arg1Rep
)) {
662 if (!check_arith_arg(curProg
, optype
, arg2
, arg2Rep
)) {
667 if (!check_arith_arg(curProg
, optype
, arg3
, arg3Rep
)) {
670 if ((arg1
>= GL_CON_0_ATI
) && (arg1
<= GL_CON_7_ATI
) &&
671 (arg2
>= GL_CON_0_ATI
) && (arg2
<= GL_CON_7_ATI
) &&
672 (arg3
>= GL_CON_0_ATI
) && (arg3
<= GL_CON_7_ATI
) &&
673 (arg1
!= arg2
) && (arg1
!= arg3
) && (arg2
!= arg3
)) {
674 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(3Consts)");
679 /* all ok - not all fully validated though (e.g. argNMod - spec doesn't say anything) */
681 curI
->Opcode
[optype
] = op
;
682 curI
->SrcReg
[optype
][0].Index
= arg1
;
683 curI
->SrcReg
[optype
][0].argRep
= arg1Rep
;
684 curI
->SrcReg
[optype
][0].argMod
= arg1Mod
;
685 curI
->ArgCount
[optype
] = arg_count
;
688 curI
->SrcReg
[optype
][1].Index
= arg2
;
689 curI
->SrcReg
[optype
][1].argRep
= arg2Rep
;
690 curI
->SrcReg
[optype
][1].argMod
= arg2Mod
;
694 curI
->SrcReg
[optype
][2].Index
= arg3
;
695 curI
->SrcReg
[optype
][2].argRep
= arg3Rep
;
696 curI
->SrcReg
[optype
][2].argMod
= arg3Mod
;
699 curI
->DstReg
[optype
].Index
= dst
;
700 curI
->DstReg
[optype
].dstMod
= dstMod
;
701 curI
->DstReg
[optype
].dstMask
= dstMask
;
703 #if MESA_DEBUG_ATI_FS
704 debug_op(optype
, arg_count
, op
, dst
, dstMask
, dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, arg3
, arg3Rep
, arg3Mod
);
710 _mesa_ColorFragmentOp1ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
711 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
714 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 1, op
, dst
, dstMask
,
715 dstMod
, arg1
, arg1Rep
, arg1Mod
, 0, 0, 0, 0, 0, 0);
719 _mesa_ColorFragmentOp2ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
720 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
721 GLuint arg1Mod
, GLuint arg2
, GLuint arg2Rep
,
724 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 2, op
, dst
, dstMask
,
725 dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
,
730 _mesa_ColorFragmentOp3ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
731 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
732 GLuint arg1Mod
, GLuint arg2
, GLuint arg2Rep
,
733 GLuint arg2Mod
, GLuint arg3
, GLuint arg3Rep
,
736 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 3, op
, dst
, dstMask
,
737 dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
,
738 arg2Mod
, arg3
, arg3Rep
, arg3Mod
);
742 _mesa_AlphaFragmentOp1ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
743 GLuint arg1Rep
, GLuint arg1Mod
)
745 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 1, op
, dst
, 0, dstMod
,
746 arg1
, arg1Rep
, arg1Mod
, 0, 0, 0, 0, 0, 0);
750 _mesa_AlphaFragmentOp2ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
751 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
752 GLuint arg2Rep
, GLuint arg2Mod
)
754 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 2, op
, dst
, 0, dstMod
,
755 arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, 0, 0,
760 _mesa_AlphaFragmentOp3ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
761 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
762 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
763 GLuint arg3Rep
, GLuint arg3Mod
)
765 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 3, op
, dst
, 0, dstMod
,
766 arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, arg3
,
771 _mesa_SetFragmentShaderConstantATI(GLuint dst
, const GLfloat
* value
)
774 GET_CURRENT_CONTEXT(ctx
);
776 if ((dst
< GL_CON_0_ATI
) || (dst
> GL_CON_7_ATI
)) {
777 /* spec says nothing about what should happen here but we can't just segfault...*/
778 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSetFragmentShaderConstantATI(dst)");
782 dstindex
= dst
- GL_CON_0_ATI
;
783 if (ctx
->ATIFragmentShader
.Compiling
) {
784 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
785 COPY_4V(curProg
->Constants
[dstindex
], value
);
786 curProg
->LocalConstDef
|= 1 << dstindex
;
789 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
790 COPY_4V(ctx
->ATIFragmentShader
.GlobalConstants
[dstindex
], value
);
794 #endif /* FEATURE_ATI_fragment_shader */