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
);
268 /*if (ctx->Driver.BindProgram)
269 ctx->Driver.BindProgram(ctx, target, prog); */
273 _mesa_DeleteFragmentShaderATI(GLuint id
)
275 GET_CURRENT_CONTEXT(ctx
);
277 if (ctx
->ATIFragmentShader
.Compiling
) {
278 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glDeleteFragmentShaderATI(insideShader)");
283 struct ati_fragment_shader
*prog
= (struct ati_fragment_shader
*)
284 _mesa_HashLookup(ctx
->Shared
->ATIShaders
, id
);
285 if (prog
== &DummyShader
) {
286 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
289 if (ctx
->ATIFragmentShader
.Current
&&
290 ctx
->ATIFragmentShader
.Current
->Id
== id
) {
291 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
292 _mesa_BindFragmentShaderATI(0);
296 /* The ID is immediately available for re-use now */
297 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
300 if (prog
->RefCount
<= 0) {
301 assert(prog
!= &DummyShader
);
302 _mesa_delete_ati_fragment_shader(ctx
, prog
);
310 _mesa_BeginFragmentShaderATI(void)
313 GET_CURRENT_CONTEXT(ctx
);
315 if (ctx
->ATIFragmentShader
.Compiling
) {
316 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBeginFragmentShaderATI(insideShader)");
320 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
322 /* if the shader was already defined free instructions and get new ones
323 (or, could use the same mem but would need to reinitialize) */
324 /* no idea if it's allowed to redefine a shader */
325 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
326 free(ctx
->ATIFragmentShader
.Current
->Instructions
[i
]);
327 free(ctx
->ATIFragmentShader
.Current
->SetupInst
[i
]);
330 _mesa_reference_program(ctx
, &ctx
->ATIFragmentShader
.Current
->Program
, NULL
);
332 /* malloc the instructions here - not sure if the best place but its
334 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
335 ctx
->ATIFragmentShader
.Current
->Instructions
[i
] =
336 calloc(sizeof(struct atifs_instruction
),
337 MAX_NUM_INSTRUCTIONS_PER_PASS_ATI
);
338 ctx
->ATIFragmentShader
.Current
->SetupInst
[i
] =
339 calloc(sizeof(struct atifs_setupinst
),
340 MAX_NUM_FRAGMENT_REGISTERS_ATI
);
343 /* can't rely on calloc for initialization as it's possible to redefine a shader (?) */
344 ctx
->ATIFragmentShader
.Current
->LocalConstDef
= 0;
345 ctx
->ATIFragmentShader
.Current
->numArithInstr
[0] = 0;
346 ctx
->ATIFragmentShader
.Current
->numArithInstr
[1] = 0;
347 ctx
->ATIFragmentShader
.Current
->regsAssigned
[0] = 0;
348 ctx
->ATIFragmentShader
.Current
->regsAssigned
[1] = 0;
349 ctx
->ATIFragmentShader
.Current
->NumPasses
= 0;
350 ctx
->ATIFragmentShader
.Current
->cur_pass
= 0;
351 ctx
->ATIFragmentShader
.Current
->last_optype
= 0;
352 ctx
->ATIFragmentShader
.Current
->interpinp1
= GL_FALSE
;
353 ctx
->ATIFragmentShader
.Current
->isValid
= GL_FALSE
;
354 ctx
->ATIFragmentShader
.Current
->swizzlerq
= 0;
355 ctx
->ATIFragmentShader
.Compiling
= 1;
356 #if MESA_DEBUG_ATI_FS
357 _mesa_debug(ctx
, "%s %u\n", __func__
, ctx
->ATIFragmentShader
.Current
->Id
);
362 _mesa_EndFragmentShaderATI(void)
364 GET_CURRENT_CONTEXT(ctx
);
365 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
366 #if MESA_DEBUG_ATI_FS
370 if (!ctx
->ATIFragmentShader
.Compiling
) {
371 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(outsideShader)");
374 if (curProg
->interpinp1
&& (ctx
->ATIFragmentShader
.Current
->cur_pass
> 1)) {
375 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(interpinfirstpass)");
376 /* according to spec, DON'T return here */
379 match_pair_inst(curProg
, 0);
380 ctx
->ATIFragmentShader
.Compiling
= 0;
381 ctx
->ATIFragmentShader
.Current
->isValid
= GL_TRUE
;
382 if ((ctx
->ATIFragmentShader
.Current
->cur_pass
== 0) ||
383 (ctx
->ATIFragmentShader
.Current
->cur_pass
== 2)) {
384 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(noarithinst)");
386 if (ctx
->ATIFragmentShader
.Current
->cur_pass
> 1)
387 ctx
->ATIFragmentShader
.Current
->NumPasses
= 2;
389 ctx
->ATIFragmentShader
.Current
->NumPasses
= 1;
391 ctx
->ATIFragmentShader
.Current
->cur_pass
= 0;
393 #if MESA_DEBUG_ATI_FS
394 for (j
= 0; j
< MAX_NUM_PASSES_ATI
; j
++) {
395 for (i
= 0; i
< MAX_NUM_FRAGMENT_REGISTERS_ATI
; i
++) {
396 GLuint op
= curProg
->SetupInst
[j
][i
].Opcode
;
397 const char *op_enum
= op
> 5 ? _mesa_enum_to_string(op
) : "0";
398 GLuint src
= curProg
->SetupInst
[j
][i
].src
;
399 GLuint swizzle
= curProg
->SetupInst
[j
][i
].swizzle
;
400 fprintf(stderr
, "%2d %04X %s %d %04X\n", i
, op
, op_enum
, src
,
403 for (i
= 0; i
< curProg
->numArithInstr
[j
]; i
++) {
404 GLuint op0
= curProg
->Instructions
[j
][i
].Opcode
[0];
405 GLuint op1
= curProg
->Instructions
[j
][i
].Opcode
[1];
406 const char *op0_enum
= op0
> 5 ? _mesa_enum_to_string(op0
) : "0";
407 const char *op1_enum
= op1
> 5 ? _mesa_enum_to_string(op1
) : "0";
408 GLuint count0
= curProg
->Instructions
[j
][i
].ArgCount
[0];
409 GLuint count1
= curProg
->Instructions
[j
][i
].ArgCount
[1];
410 fprintf(stderr
, "%2d %04X %s %d %04X %s %d\n", i
, op0
, op0_enum
, count0
,
411 op1
, op1_enum
, count1
);
416 if (ctx
->Driver
.NewATIfs
) {
417 struct gl_program
*prog
= ctx
->Driver
.NewATIfs(ctx
,
418 ctx
->ATIFragmentShader
.Current
);
419 _mesa_reference_program(ctx
, &ctx
->ATIFragmentShader
.Current
->Program
, prog
);
422 if (!ctx
->Driver
.ProgramStringNotify(ctx
, GL_FRAGMENT_SHADER_ATI
,
424 ctx
->ATIFragmentShader
.Current
->isValid
= GL_FALSE
;
425 /* XXX is this the right error? */
426 _mesa_error(ctx
, GL_INVALID_OPERATION
,
427 "glEndFragmentShaderATI(driver rejected shader)");
432 _mesa_PassTexCoordATI(GLuint dst
, GLuint coord
, GLenum swizzle
)
434 GET_CURRENT_CONTEXT(ctx
);
435 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
436 struct atifs_setupinst
*curI
;
438 if (!ctx
->ATIFragmentShader
.Compiling
) {
439 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(outsideShader)");
443 if (curProg
->cur_pass
== 1) {
444 match_pair_inst(curProg
, 0);
445 curProg
->cur_pass
= 2;
447 if ((curProg
->cur_pass
> 2) ||
448 ((1 << (dst
- GL_REG_0_ATI
)) & curProg
->regsAssigned
[curProg
->cur_pass
>> 1])) {
449 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoord(pass)");
452 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
) ||
453 ((dst
- GL_REG_0_ATI
) >= ctx
->Const
.MaxTextureUnits
)) {
454 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(dst)");
457 if (((coord
< GL_REG_0_ATI
) || (coord
> GL_REG_5_ATI
)) &&
458 ((coord
< GL_TEXTURE0_ARB
) || (coord
> GL_TEXTURE7_ARB
) ||
459 ((coord
- GL_TEXTURE0_ARB
) >= ctx
->Const
.MaxTextureUnits
))) {
460 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(coord)");
463 if ((curProg
->cur_pass
== 0) && (coord
>= GL_REG_0_ATI
)) {
464 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(coord)");
467 if (!(swizzle
>= GL_SWIZZLE_STR_ATI
) && (swizzle
<= GL_SWIZZLE_STQ_DQ_ATI
)) {
468 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(swizzle)");
471 if ((swizzle
& 1) && (coord
>= GL_REG_0_ATI
)) {
472 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(swizzle)");
475 if (coord
<= GL_TEXTURE7_ARB
) {
476 GLuint tmp
= coord
- GL_TEXTURE0_ARB
;
477 if ((((curProg
->swizzlerq
>> (tmp
* 2)) & 3) != 0) &&
478 (((swizzle
& 1) + 1) != ((curProg
->swizzlerq
>> (tmp
* 2)) & 3))) {
479 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(swizzle)");
482 curProg
->swizzlerq
|= (((swizzle
& 1) + 1) << (tmp
* 2));
486 curProg
->regsAssigned
[curProg
->cur_pass
>> 1] |= 1 << (dst
- GL_REG_0_ATI
);
487 new_tex_inst(curProg
);
489 /* add the instructions */
490 curI
= &curProg
->SetupInst
[curProg
->cur_pass
>> 1][dst
- GL_REG_0_ATI
];
492 curI
->Opcode
= ATI_FRAGMENT_SHADER_PASS_OP
;
494 curI
->swizzle
= swizzle
;
496 #if MESA_DEBUG_ATI_FS
497 _mesa_debug(ctx
, "%s(%s, %s, %s)\n", __func__
,
498 _mesa_enum_to_string(dst
), _mesa_enum_to_string(coord
),
499 _mesa_enum_to_string(swizzle
));
504 _mesa_SampleMapATI(GLuint dst
, GLuint interp
, GLenum swizzle
)
506 GET_CURRENT_CONTEXT(ctx
);
507 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
508 struct atifs_setupinst
*curI
;
510 if (!ctx
->ATIFragmentShader
.Compiling
) {
511 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(outsideShader)");
515 if (curProg
->cur_pass
== 1) {
516 match_pair_inst(curProg
, 0);
517 curProg
->cur_pass
= 2;
519 if ((curProg
->cur_pass
> 2) ||
520 ((1 << (dst
- GL_REG_0_ATI
)) & curProg
->regsAssigned
[curProg
->cur_pass
>> 1])) {
521 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(pass)");
524 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
) ||
525 ((dst
- GL_REG_0_ATI
) >= ctx
->Const
.MaxTextureUnits
)) {
526 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(dst)");
529 if (((interp
< GL_REG_0_ATI
) || (interp
> GL_REG_5_ATI
)) &&
530 ((interp
< GL_TEXTURE0_ARB
) || (interp
> GL_TEXTURE7_ARB
) ||
531 ((interp
- GL_TEXTURE0_ARB
) >= ctx
->Const
.MaxTextureUnits
))) {
532 /* is this texture5 or texture7? spec is a bit unclear there */
533 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(interp)");
536 if ((curProg
->cur_pass
== 0) && (interp
>= GL_REG_0_ATI
)) {
537 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(interp)");
540 if (!(swizzle
>= GL_SWIZZLE_STR_ATI
) && (swizzle
<= GL_SWIZZLE_STQ_DQ_ATI
)) {
541 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(swizzle)");
544 if ((swizzle
& 1) && (interp
>= GL_REG_0_ATI
)) {
545 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(swizzle)");
548 if (interp
<= GL_TEXTURE7_ARB
) {
549 GLuint tmp
= interp
- GL_TEXTURE0_ARB
;
550 if ((((curProg
->swizzlerq
>> (tmp
* 2)) & 3) != 0) &&
551 (((swizzle
& 1) + 1) != ((curProg
->swizzlerq
>> (tmp
* 2)) & 3))) {
552 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(swizzle)");
555 curProg
->swizzlerq
|= (((swizzle
& 1) + 1) << (tmp
* 2));
559 curProg
->regsAssigned
[curProg
->cur_pass
>> 1] |= 1 << (dst
- GL_REG_0_ATI
);
560 new_tex_inst(curProg
);
562 /* add the instructions */
563 curI
= &curProg
->SetupInst
[curProg
->cur_pass
>> 1][dst
- GL_REG_0_ATI
];
565 curI
->Opcode
= ATI_FRAGMENT_SHADER_SAMPLE_OP
;
567 curI
->swizzle
= swizzle
;
569 #if MESA_DEBUG_ATI_FS
570 _mesa_debug(ctx
, "%s(%s, %s, %s)\n", __func__
,
571 _mesa_enum_to_string(dst
), _mesa_enum_to_string(interp
),
572 _mesa_enum_to_string(swizzle
));
577 _mesa_FragmentOpXATI(GLint optype
, GLuint arg_count
, GLenum op
, GLuint dst
,
578 GLuint dstMask
, GLuint dstMod
, GLuint arg1
,
579 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
580 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
581 GLuint arg3Rep
, GLuint arg3Mod
)
583 GET_CURRENT_CONTEXT(ctx
);
584 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
586 struct atifs_instruction
*curI
;
587 GLuint modtemp
= dstMod
& ~GL_SATURATE_BIT_ATI
;
589 if (!ctx
->ATIFragmentShader
.Compiling
) {
590 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(outsideShader)");
594 if (curProg
->cur_pass
==0)
597 else if (curProg
->cur_pass
==2)
600 /* decide whether this is a new instruction or not ... all color instructions are new,
601 and alpha instructions might also be new if there was no preceding color inst */
602 if ((optype
== 0) || (curProg
->last_optype
== optype
)) {
603 if (curProg
->numArithInstr
[curProg
->cur_pass
>> 1] > 7) {
604 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(instrCount)");
607 /* easier to do that here slight side effect invalid instr will still be inserted as nops */
608 match_pair_inst(curProg
, optype
);
609 new_arith_inst(curProg
);
611 curProg
->last_optype
= optype
;
612 ci
= curProg
->numArithInstr
[curProg
->cur_pass
>> 1] - 1;
614 /* add the instructions */
615 curI
= &curProg
->Instructions
[curProg
->cur_pass
>> 1][ci
];
618 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
)) {
619 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(dst)");
622 if ((modtemp
!= GL_NONE
) && (modtemp
!= GL_2X_BIT_ATI
) &&
623 (modtemp
!= GL_4X_BIT_ATI
) && (modtemp
!= GL_8X_BIT_ATI
) &&
624 (modtemp
!= GL_HALF_BIT_ATI
) && !(modtemp
!= GL_QUARTER_BIT_ATI
) &&
625 (modtemp
!= GL_EIGHTH_BIT_ATI
)) {
626 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(dstMod)%x", modtemp
);
629 /* op checking? Actually looks like that's missing in the spec but we'll do it anyway */
630 if (((op
< GL_ADD_ATI
) || (op
> GL_DOT2_ADD_ATI
)) && !(op
== GL_MOV_ATI
)) {
631 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(op)");
635 if (((op
== GL_DOT2_ADD_ATI
) && (curI
->Opcode
[0] != GL_DOT2_ADD_ATI
)) ||
636 ((op
== GL_DOT3_ATI
) && (curI
->Opcode
[0] != GL_DOT3_ATI
)) ||
637 ((op
== GL_DOT4_ATI
) && (curI
->Opcode
[0] != GL_DOT4_ATI
)) ||
638 ((op
!= GL_DOT4_ATI
) && (curI
->Opcode
[0] == GL_DOT4_ATI
))) {
639 _mesa_error(ctx
, GL_INVALID_OPERATION
, "AFragmentOpATI(op)");
643 if ((op
== GL_DOT4_ATI
) &&
644 (((arg1
== GL_SECONDARY_INTERPOLATOR_ATI
) && ((arg1Rep
== GL_ALPHA
) || (arg1Rep
== GL_NONE
))) ||
645 (((arg2
== GL_SECONDARY_INTERPOLATOR_ATI
) && ((arg2Rep
== GL_ALPHA
) || (arg2Rep
== GL_NONE
)))))) {
646 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(sec_interp)");
649 if (!check_arith_arg(curProg
, optype
, arg1
, arg1Rep
)) {
653 if (!check_arith_arg(curProg
, optype
, arg2
, arg2Rep
)) {
658 if (!check_arith_arg(curProg
, optype
, arg3
, arg3Rep
)) {
661 if ((arg1
>= GL_CON_0_ATI
) && (arg1
<= GL_CON_7_ATI
) &&
662 (arg2
>= GL_CON_0_ATI
) && (arg2
<= GL_CON_7_ATI
) &&
663 (arg3
>= GL_CON_0_ATI
) && (arg3
<= GL_CON_7_ATI
) &&
664 (arg1
!= arg2
) && (arg1
!= arg3
) && (arg2
!= arg3
)) {
665 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(3Consts)");
670 /* all ok - not all fully validated though (e.g. argNMod - spec doesn't say anything) */
672 curI
->Opcode
[optype
] = op
;
673 curI
->SrcReg
[optype
][0].Index
= arg1
;
674 curI
->SrcReg
[optype
][0].argRep
= arg1Rep
;
675 curI
->SrcReg
[optype
][0].argMod
= arg1Mod
;
676 curI
->ArgCount
[optype
] = arg_count
;
679 curI
->SrcReg
[optype
][1].Index
= arg2
;
680 curI
->SrcReg
[optype
][1].argRep
= arg2Rep
;
681 curI
->SrcReg
[optype
][1].argMod
= arg2Mod
;
685 curI
->SrcReg
[optype
][2].Index
= arg3
;
686 curI
->SrcReg
[optype
][2].argRep
= arg3Rep
;
687 curI
->SrcReg
[optype
][2].argMod
= arg3Mod
;
690 curI
->DstReg
[optype
].Index
= dst
;
691 curI
->DstReg
[optype
].dstMod
= dstMod
;
692 curI
->DstReg
[optype
].dstMask
= dstMask
;
694 #if MESA_DEBUG_ATI_FS
695 debug_op(optype
, arg_count
, op
, dst
, dstMask
, dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, arg3
, arg3Rep
, arg3Mod
);
701 _mesa_ColorFragmentOp1ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
702 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
705 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 1, op
, dst
, dstMask
,
706 dstMod
, arg1
, arg1Rep
, arg1Mod
, 0, 0, 0, 0, 0, 0);
710 _mesa_ColorFragmentOp2ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
711 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
712 GLuint arg1Mod
, GLuint arg2
, GLuint arg2Rep
,
715 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 2, op
, dst
, dstMask
,
716 dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
,
721 _mesa_ColorFragmentOp3ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
722 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
723 GLuint arg1Mod
, GLuint arg2
, GLuint arg2Rep
,
724 GLuint arg2Mod
, GLuint arg3
, GLuint arg3Rep
,
727 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 3, op
, dst
, dstMask
,
728 dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
,
729 arg2Mod
, arg3
, arg3Rep
, arg3Mod
);
733 _mesa_AlphaFragmentOp1ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
734 GLuint arg1Rep
, GLuint arg1Mod
)
736 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 1, op
, dst
, 0, dstMod
,
737 arg1
, arg1Rep
, arg1Mod
, 0, 0, 0, 0, 0, 0);
741 _mesa_AlphaFragmentOp2ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
742 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
743 GLuint arg2Rep
, GLuint arg2Mod
)
745 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 2, op
, dst
, 0, dstMod
,
746 arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, 0, 0,
751 _mesa_AlphaFragmentOp3ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
752 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
753 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
754 GLuint arg3Rep
, GLuint arg3Mod
)
756 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 3, op
, dst
, 0, dstMod
,
757 arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, arg3
,
762 _mesa_SetFragmentShaderConstantATI(GLuint dst
, const GLfloat
* value
)
765 GET_CURRENT_CONTEXT(ctx
);
767 if ((dst
< GL_CON_0_ATI
) || (dst
> GL_CON_7_ATI
)) {
768 /* spec says nothing about what should happen here but we can't just segfault...*/
769 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSetFragmentShaderConstantATI(dst)");
773 dstindex
= dst
- GL_CON_0_ATI
;
774 if (ctx
->ATIFragmentShader
.Compiling
) {
775 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
776 COPY_4V(curProg
->Constants
[dstindex
], value
);
777 curProg
->LocalConstDef
|= 1 << dstindex
;
780 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
781 COPY_4V(ctx
->ATIFragmentShader
.GlobalConstants
[dstindex
], value
);