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 "atifragshader.h"
33 #define MESA_DEBUG_ATI_FS 0
35 static struct ati_fragment_shader DummyShader
;
39 * Allocate and initialize a new ATI fragment shader object.
41 struct ati_fragment_shader
*
42 _mesa_new_ati_fragment_shader(GLcontext
*ctx
, GLuint id
)
44 struct ati_fragment_shader
*s
= CALLOC_STRUCT(ati_fragment_shader
);
55 * Delete the given ati fragment shader
58 _mesa_delete_ati_fragment_shader(GLcontext
*ctx
, struct ati_fragment_shader
*s
)
61 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
62 if (s
->Instructions
[i
])
63 free(s
->Instructions
[i
]);
65 free(s
->SetupInst
[i
]);
73 new_arith_inst(struct ati_fragment_shader
*prog
)
75 /* set "default" instruction as not all may get defined.
76 there is no specified way to express a nop with ati fragment shaders we use
77 GL_NONE as the op enum and just set some params to 0 - so nothing to do here */
78 prog
->numArithInstr
[prog
->cur_pass
>> 1]++;
82 new_tex_inst(struct ati_fragment_shader
*prog
)
86 static void match_pair_inst(struct ati_fragment_shader
*curProg
, GLuint optype
)
88 if (optype
== curProg
->last_optype
) {
89 curProg
->last_optype
= 1;
95 create_dst_mod_str(GLuint mod
)
97 static char ret_str
[1024];
99 memset(ret_str
, 0, 1024);
100 if (mod
& GL_2X_BIT_ATI
)
101 strncat(ret_str
, "|2X", 1024);
103 if (mod
& GL_4X_BIT_ATI
)
104 strncat(ret_str
, "|4X", 1024);
106 if (mod
& GL_8X_BIT_ATI
)
107 strncat(ret_str
, "|8X", 1024);
108 if (mod
& GL_HALF_BIT_ATI
)
109 strncat(ret_str
, "|HA", 1024);
110 if (mod
& GL_QUARTER_BIT_ATI
)
111 strncat(ret_str
, "|QU", 1024);
112 if (mod
& GL_EIGHTH_BIT_ATI
)
113 strncat(ret_str
, "|EI", 1024);
115 if (mod
& GL_SATURATE_BIT_ATI
)
116 strncat(ret_str
, "|SAT", 1024);
118 if (strlen(ret_str
) == 0)
119 strncat(ret_str
, "NONE", 1024);
123 static char *atifs_ops
[] = {"ColorFragmentOp1ATI", "ColorFragmentOp2ATI", "ColorFragmentOp3ATI",
124 "AlphaFragmentOp1ATI", "AlphaFragmentOp2ATI", "AlphaFragmentOp3ATI" };
126 static void debug_op(GLint optype
, GLuint arg_count
, GLenum op
, GLuint dst
,
127 GLuint dstMask
, GLuint dstMod
, GLuint arg1
,
128 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
129 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
130 GLuint arg3Rep
, GLuint arg3Mod
)
134 op_name
= atifs_ops
[(arg_count
-1)+(optype
?3:0)];
136 fprintf(stderr
, "%s(%s, %s", op_name
, _mesa_lookup_enum_by_nr(op
),
137 _mesa_lookup_enum_by_nr(dst
));
139 fprintf(stderr
, ", %d", dstMask
);
141 fprintf(stderr
, ", %s", create_dst_mod_str(dstMod
));
143 fprintf(stderr
, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg1
),
144 _mesa_lookup_enum_by_nr(arg1Rep
), arg1Mod
);
146 fprintf(stderr
, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg2
),
147 _mesa_lookup_enum_by_nr(arg2Rep
), arg2Mod
);
149 fprintf(stderr
, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg3
),
150 _mesa_lookup_enum_by_nr(arg3Rep
), arg3Mod
);
152 fprintf(stderr
,")\n");
157 static int check_arith_arg(struct ati_fragment_shader
*curProg
,
158 GLuint optype
, GLuint arg
, GLuint argRep
)
160 GET_CURRENT_CONTEXT(ctx
);
162 if (((arg
< GL_CON_0_ATI
) || (arg
> GL_CON_7_ATI
)) &&
163 ((arg
< GL_REG_0_ATI
) || (arg
> GL_REG_5_ATI
)) &&
164 (arg
!= GL_ZERO
) && (arg
!= GL_ONE
) &&
165 (arg
!= GL_PRIMARY_COLOR_ARB
) && (arg
!= GL_SECONDARY_INTERPOLATOR_ATI
)) {
166 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(arg)");
169 if ((arg
== GL_SECONDARY_INTERPOLATOR_ATI
) && (((optype
== 0) && (argRep
== GL_ALPHA
)) ||
170 ((optype
== 1) && ((arg
== GL_ALPHA
) || (argRep
== GL_NONE
))))) {
171 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(sec_interp)");
174 if ((arg
== GL_SECONDARY_INTERPOLATOR_ATI
) && (((optype
== 0) && (argRep
== GL_ALPHA
)) ||
175 ((optype
== 1) && ((arg
== GL_ALPHA
) || (argRep
== GL_NONE
))))) {
176 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(sec_interp)");
179 if ((curProg
->cur_pass
== 1) &&
180 ((arg
== GL_PRIMARY_COLOR_ARB
) || (arg
== GL_SECONDARY_INTERPOLATOR_ATI
))) {
181 curProg
->interpinp1
= GL_TRUE
;
187 _mesa_GenFragmentShadersATI(GLuint range
)
191 GET_CURRENT_CONTEXT(ctx
);
194 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGenFragmentShadersATI(range)");
198 if (ctx
->ATIFragmentShader
.Compiling
) {
199 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glGenFragmentShadersATI(insideShader)");
203 first
= _mesa_HashFindFreeKeyBlock(ctx
->Shared
->ATIShaders
, range
);
204 for (i
= 0; i
< range
; i
++) {
205 _mesa_HashInsert(ctx
->Shared
->ATIShaders
, first
+ i
, &DummyShader
);
212 _mesa_BindFragmentShaderATI(GLuint id
)
214 GET_CURRENT_CONTEXT(ctx
);
215 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
216 struct ati_fragment_shader
*newProg
;
218 if (ctx
->ATIFragmentShader
.Compiling
) {
219 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBindFragmentShaderATI(insideShader)");
223 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
225 if (curProg
->Id
== id
) {
230 if (curProg
->Id
!= 0) {
232 if (curProg
->RefCount
<= 0) {
233 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
237 /* find new shader */
239 newProg
= ctx
->Shared
->DefaultFragmentShader
;
242 newProg
= (struct ati_fragment_shader
*)
243 _mesa_HashLookup(ctx
->Shared
->ATIShaders
, id
);
244 if (!newProg
|| newProg
== &DummyShader
) {
245 /* allocate a new program now */
246 newProg
= _mesa_new_ati_fragment_shader(ctx
, id
);
248 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glBindFragmentShaderATI");
251 _mesa_HashInsert(ctx
->Shared
->ATIShaders
, id
, newProg
);
257 ctx
->ATIFragmentShader
.Current
= newProg
;
259 ASSERT(ctx
->ATIFragmentShader
.Current
);
263 /*if (ctx->Driver.BindProgram)
264 ctx->Driver.BindProgram(ctx, target, prog); */
268 _mesa_DeleteFragmentShaderATI(GLuint id
)
270 GET_CURRENT_CONTEXT(ctx
);
272 if (ctx
->ATIFragmentShader
.Compiling
) {
273 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glDeleteFragmentShaderATI(insideShader)");
278 struct ati_fragment_shader
*prog
= (struct ati_fragment_shader
*)
279 _mesa_HashLookup(ctx
->Shared
->ATIShaders
, id
);
280 if (prog
== &DummyShader
) {
281 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
284 if (ctx
->ATIFragmentShader
.Current
&&
285 ctx
->ATIFragmentShader
.Current
->Id
== id
) {
286 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
287 _mesa_BindFragmentShaderATI(0);
291 /* The ID is immediately available for re-use now */
292 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
295 if (prog
->RefCount
<= 0) {
304 _mesa_BeginFragmentShaderATI(void)
307 GET_CURRENT_CONTEXT(ctx
);
309 if (ctx
->ATIFragmentShader
.Compiling
) {
310 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBeginFragmentShaderATI(insideShader)");
314 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
316 /* if the shader was already defined free instructions and get new ones
317 (or, could use the same mem but would need to reinitialize) */
318 /* no idea if it's allowed to redefine a shader */
319 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
320 if (ctx
->ATIFragmentShader
.Current
->Instructions
[i
])
321 free(ctx
->ATIFragmentShader
.Current
->Instructions
[i
]);
322 if (ctx
->ATIFragmentShader
.Current
->SetupInst
[i
])
323 free(ctx
->ATIFragmentShader
.Current
->SetupInst
[i
]);
326 /* malloc the instructions here - not sure if the best place but its
328 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
329 ctx
->ATIFragmentShader
.Current
->Instructions
[i
] =
330 (struct atifs_instruction
*)
331 calloc(1, sizeof(struct atifs_instruction
) *
332 (MAX_NUM_INSTRUCTIONS_PER_PASS_ATI
));
333 ctx
->ATIFragmentShader
.Current
->SetupInst
[i
] =
334 (struct atifs_setupinst
*)
335 calloc(1, sizeof(struct atifs_setupinst
) *
336 (MAX_NUM_FRAGMENT_REGISTERS_ATI
));
339 /* can't rely on calloc for initialization as it's possible to redefine a shader (?) */
340 ctx
->ATIFragmentShader
.Current
->LocalConstDef
= 0;
341 ctx
->ATIFragmentShader
.Current
->numArithInstr
[0] = 0;
342 ctx
->ATIFragmentShader
.Current
->numArithInstr
[1] = 0;
343 ctx
->ATIFragmentShader
.Current
->regsAssigned
[0] = 0;
344 ctx
->ATIFragmentShader
.Current
->regsAssigned
[1] = 0;
345 ctx
->ATIFragmentShader
.Current
->NumPasses
= 0;
346 ctx
->ATIFragmentShader
.Current
->cur_pass
= 0;
347 ctx
->ATIFragmentShader
.Current
->last_optype
= 0;
348 ctx
->ATIFragmentShader
.Current
->interpinp1
= GL_FALSE
;
349 ctx
->ATIFragmentShader
.Current
->isValid
= GL_FALSE
;
350 ctx
->ATIFragmentShader
.Current
->swizzlerq
= 0;
351 ctx
->ATIFragmentShader
.Compiling
= 1;
355 _mesa_EndFragmentShaderATI(void)
357 GET_CURRENT_CONTEXT(ctx
);
358 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
359 #if MESA_DEBUG_ATI_FS
363 if (!ctx
->ATIFragmentShader
.Compiling
) {
364 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(outsideShader)");
367 if (curProg
->interpinp1
&& (ctx
->ATIFragmentShader
.Current
->cur_pass
> 1)) {
368 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(interpinfirstpass)");
369 /* according to spec, DON'T return here */
372 match_pair_inst(curProg
, 0);
373 ctx
->ATIFragmentShader
.Compiling
= 0;
374 ctx
->ATIFragmentShader
.Current
->isValid
= GL_TRUE
;
375 if ((ctx
->ATIFragmentShader
.Current
->cur_pass
== 0) ||
376 (ctx
->ATIFragmentShader
.Current
->cur_pass
== 2)) {
377 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(noarithinst)");
379 if (ctx
->ATIFragmentShader
.Current
->cur_pass
> 1)
380 ctx
->ATIFragmentShader
.Current
->NumPasses
= 2;
382 ctx
->ATIFragmentShader
.Current
->NumPasses
= 1;
384 ctx
->ATIFragmentShader
.Current
->cur_pass
= 0;
386 #if MESA_DEBUG_ATI_FS
387 for (j
= 0; j
< MAX_NUM_PASSES_ATI
; j
++) {
388 for (i
= 0; i
< MAX_NUM_FRAGMENT_REGISTERS_ATI
; i
++) {
389 GLuint op
= curProg
->SetupInst
[j
][i
].Opcode
;
390 const char *op_enum
= op
> 5 ? _mesa_lookup_enum_by_nr(op
) : "0";
391 GLuint src
= curProg
->SetupInst
[j
][i
].src
;
392 GLuint swizzle
= curProg
->SetupInst
[j
][i
].swizzle
;
393 fprintf(stderr
, "%2d %04X %s %d %04X\n", i
, op
, op_enum
, src
,
396 for (i
= 0; i
< curProg
->numArithInstr
[j
]; i
++) {
397 GLuint op0
= curProg
->Instructions
[j
][i
].Opcode
[0];
398 GLuint op1
= curProg
->Instructions
[j
][i
].Opcode
[1];
399 const char *op0_enum
= op0
> 5 ? _mesa_lookup_enum_by_nr(op0
) : "0";
400 const char *op1_enum
= op1
> 5 ? _mesa_lookup_enum_by_nr(op1
) : "0";
401 GLuint count0
= curProg
->Instructions
[j
][i
].ArgCount
[0];
402 GLuint count1
= curProg
->Instructions
[j
][i
].ArgCount
[1];
403 fprintf(stderr
, "%2d %04X %s %d %04X %s %d\n", i
, op0
, op0_enum
, count0
,
404 op1
, op1_enum
, count1
);
409 if (!ctx
->Driver
.ProgramStringNotify(ctx
, GL_FRAGMENT_SHADER_ATI
, NULL
)) {
410 ctx
->ATIFragmentShader
.Current
->isValid
= GL_FALSE
;
411 /* XXX is this the right error? */
412 _mesa_error(ctx
, GL_INVALID_OPERATION
,
413 "glEndFragmentShaderATI(driver rejected shader)");
418 _mesa_PassTexCoordATI(GLuint dst
, GLuint coord
, GLenum swizzle
)
420 GET_CURRENT_CONTEXT(ctx
);
421 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
422 struct atifs_setupinst
*curI
;
424 if (!ctx
->ATIFragmentShader
.Compiling
) {
425 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(outsideShader)");
429 if (curProg
->cur_pass
== 1) {
430 match_pair_inst(curProg
, 0);
431 curProg
->cur_pass
= 2;
433 if ((curProg
->cur_pass
> 2) ||
434 ((1 << (dst
- GL_REG_0_ATI
)) & curProg
->regsAssigned
[curProg
->cur_pass
>> 1])) {
435 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoord(pass)");
438 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
) ||
439 ((dst
- GL_REG_0_ATI
) >= ctx
->Const
.MaxTextureUnits
)) {
440 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(dst)");
443 if (((coord
< GL_REG_0_ATI
) || (coord
> GL_REG_5_ATI
)) &&
444 ((coord
< GL_TEXTURE0_ARB
) || (coord
> GL_TEXTURE7_ARB
) ||
445 ((coord
- GL_TEXTURE0_ARB
) >= ctx
->Const
.MaxTextureUnits
))) {
446 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(coord)");
449 if ((curProg
->cur_pass
== 0) && (coord
>= GL_REG_0_ATI
)) {
450 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(coord)");
453 if (!(swizzle
>= GL_SWIZZLE_STR_ATI
) && (swizzle
<= GL_SWIZZLE_STQ_DQ_ATI
)) {
454 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(swizzle)");
457 if ((swizzle
& 1) && (coord
>= GL_REG_0_ATI
)) {
458 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(swizzle)");
461 if (coord
<= GL_TEXTURE7_ARB
) {
462 GLuint tmp
= coord
- GL_TEXTURE0_ARB
;
463 if ((((curProg
->swizzlerq
>> (tmp
* 2)) & 3) != 0) &&
464 (((swizzle
& 1) + 1) != ((curProg
->swizzlerq
>> (tmp
* 2)) & 3))) {
465 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(swizzle)");
468 curProg
->swizzlerq
|= (((swizzle
& 1) + 1) << (tmp
* 2));
472 curProg
->regsAssigned
[curProg
->cur_pass
>> 1] |= 1 << (dst
- GL_REG_0_ATI
);
473 new_tex_inst(curProg
);
475 /* add the instructions */
476 curI
= &curProg
->SetupInst
[curProg
->cur_pass
>> 1][dst
- GL_REG_0_ATI
];
478 curI
->Opcode
= ATI_FRAGMENT_SHADER_PASS_OP
;
480 curI
->swizzle
= swizzle
;
482 #if MESA_DEBUG_ATI_FS
483 _mesa_debug(ctx
, "%s(%s, %s, %s)\n", __FUNCTION__
,
484 _mesa_lookup_enum_by_nr(dst
), _mesa_lookup_enum_by_nr(coord
),
485 _mesa_lookup_enum_by_nr(swizzle
));
490 _mesa_SampleMapATI(GLuint dst
, GLuint interp
, GLenum swizzle
)
492 GET_CURRENT_CONTEXT(ctx
);
493 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
494 struct atifs_setupinst
*curI
;
496 if (!ctx
->ATIFragmentShader
.Compiling
) {
497 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(outsideShader)");
501 if (curProg
->cur_pass
== 1) {
502 match_pair_inst(curProg
, 0);
503 curProg
->cur_pass
= 2;
505 if ((curProg
->cur_pass
> 2) ||
506 ((1 << (dst
- GL_REG_0_ATI
)) & curProg
->regsAssigned
[curProg
->cur_pass
>> 1])) {
507 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(pass)");
510 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
) ||
511 ((dst
- GL_REG_0_ATI
) >= ctx
->Const
.MaxTextureUnits
)) {
512 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(dst)");
515 if (((interp
< GL_REG_0_ATI
) || (interp
> GL_REG_5_ATI
)) &&
516 ((interp
< GL_TEXTURE0_ARB
) || (interp
> GL_TEXTURE7_ARB
) ||
517 ((interp
- GL_TEXTURE0_ARB
) >= ctx
->Const
.MaxTextureUnits
))) {
518 /* is this texture5 or texture7? spec is a bit unclear there */
519 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(interp)");
522 if ((curProg
->cur_pass
== 0) && (interp
>= GL_REG_0_ATI
)) {
523 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(interp)");
526 if (!(swizzle
>= GL_SWIZZLE_STR_ATI
) && (swizzle
<= GL_SWIZZLE_STQ_DQ_ATI
)) {
527 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(swizzle)");
530 if ((swizzle
& 1) && (interp
>= GL_REG_0_ATI
)) {
531 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(swizzle)");
534 if (interp
<= GL_TEXTURE7_ARB
) {
535 GLuint tmp
= interp
- GL_TEXTURE0_ARB
;
536 if ((((curProg
->swizzlerq
>> (tmp
* 2)) & 3) != 0) &&
537 (((swizzle
& 1) + 1) != ((curProg
->swizzlerq
>> (tmp
* 2)) & 3))) {
538 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(swizzle)");
541 curProg
->swizzlerq
|= (((swizzle
& 1) + 1) << (tmp
* 2));
545 curProg
->regsAssigned
[curProg
->cur_pass
>> 1] |= 1 << (dst
- GL_REG_0_ATI
);
546 new_tex_inst(curProg
);
548 /* add the instructions */
549 curI
= &curProg
->SetupInst
[curProg
->cur_pass
>> 1][dst
- GL_REG_0_ATI
];
551 curI
->Opcode
= ATI_FRAGMENT_SHADER_SAMPLE_OP
;
553 curI
->swizzle
= swizzle
;
555 #if MESA_DEBUG_ATI_FS
556 _mesa_debug(ctx
, "%s(%s, %s, %s)\n", __FUNCTION__
,
557 _mesa_lookup_enum_by_nr(dst
), _mesa_lookup_enum_by_nr(interp
),
558 _mesa_lookup_enum_by_nr(swizzle
));
563 _mesa_FragmentOpXATI(GLint optype
, GLuint arg_count
, GLenum op
, GLuint dst
,
564 GLuint dstMask
, GLuint dstMod
, GLuint arg1
,
565 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
566 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
567 GLuint arg3Rep
, GLuint arg3Mod
)
569 GET_CURRENT_CONTEXT(ctx
);
570 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
572 struct atifs_instruction
*curI
;
573 GLuint modtemp
= dstMod
& ~GL_SATURATE_BIT_ATI
;
575 if (!ctx
->ATIFragmentShader
.Compiling
) {
576 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(outsideShader)");
580 if (curProg
->cur_pass
==0)
583 else if (curProg
->cur_pass
==2)
586 /* decide whether this is a new instruction or not ... all color instructions are new,
587 and alpha instructions might also be new if there was no preceding color inst */
588 if ((optype
== 0) || (curProg
->last_optype
== optype
)) {
589 if (curProg
->numArithInstr
[curProg
->cur_pass
>> 1] > 7) {
590 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(instrCount)");
593 /* easier to do that here slight side effect invalid instr will still be inserted as nops */
594 match_pair_inst(curProg
, optype
);
595 new_arith_inst(curProg
);
597 curProg
->last_optype
= optype
;
598 ci
= curProg
->numArithInstr
[curProg
->cur_pass
>> 1] - 1;
600 /* add the instructions */
601 curI
= &curProg
->Instructions
[curProg
->cur_pass
>> 1][ci
];
604 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
)) {
605 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(dst)");
608 if ((modtemp
!= GL_NONE
) && (modtemp
!= GL_2X_BIT_ATI
) &&
609 (modtemp
!= GL_4X_BIT_ATI
) && (modtemp
!= GL_8X_BIT_ATI
) &&
610 (modtemp
!= GL_HALF_BIT_ATI
) && !(modtemp
!= GL_QUARTER_BIT_ATI
) &&
611 (modtemp
!= GL_EIGHTH_BIT_ATI
)) {
612 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(dstMod)%x", modtemp
);
615 /* op checking? Actually looks like that's missing in the spec but we'll do it anyway */
616 if (((op
< GL_ADD_ATI
) || (op
> GL_DOT2_ADD_ATI
)) && !(op
== GL_MOV_ATI
)) {
617 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(op)");
621 if (((op
== GL_DOT2_ADD_ATI
) && (curI
->Opcode
[0] != GL_DOT2_ADD_ATI
)) ||
622 ((op
== GL_DOT3_ATI
) && (curI
->Opcode
[0] != GL_DOT3_ATI
)) ||
623 ((op
== GL_DOT4_ATI
) && (curI
->Opcode
[0] != GL_DOT4_ATI
)) ||
624 ((op
!= GL_DOT4_ATI
) && (curI
->Opcode
[0] == GL_DOT4_ATI
))) {
625 _mesa_error(ctx
, GL_INVALID_OPERATION
, "AFragmentOpATI(op)");
629 if ((op
== GL_DOT4_ATI
) &&
630 (((arg1
== GL_SECONDARY_INTERPOLATOR_ATI
) && ((arg1Rep
== GL_ALPHA
) || (arg1Rep
== GL_NONE
))) ||
631 (((arg2
== GL_SECONDARY_INTERPOLATOR_ATI
) && ((arg2Rep
== GL_ALPHA
) || (arg2Rep
== GL_NONE
)))))) {
632 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(sec_interp)");
635 if (!check_arith_arg(curProg
, optype
, arg1
, arg1Rep
)) {
639 if (!check_arith_arg(curProg
, optype
, arg2
, arg2Rep
)) {
644 if (!check_arith_arg(curProg
, optype
, arg3
, arg3Rep
)) {
647 if ((arg1
>= GL_CON_0_ATI
) && (arg1
<= GL_CON_7_ATI
) &&
648 (arg2
>= GL_CON_0_ATI
) && (arg2
<= GL_CON_7_ATI
) &&
649 (arg3
>= GL_CON_0_ATI
) && (arg3
<= GL_CON_7_ATI
) &&
650 (arg1
!= arg2
) && (arg1
!= arg3
) && (arg2
!= arg3
)) {
651 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(3Consts)");
656 /* all ok - not all fully validated though (e.g. argNMod - spec doesn't say anything) */
658 curI
->Opcode
[optype
] = op
;
659 curI
->SrcReg
[optype
][0].Index
= arg1
;
660 curI
->SrcReg
[optype
][0].argRep
= arg1Rep
;
661 curI
->SrcReg
[optype
][0].argMod
= arg1Mod
;
662 curI
->ArgCount
[optype
] = arg_count
;
665 curI
->SrcReg
[optype
][1].Index
= arg2
;
666 curI
->SrcReg
[optype
][1].argRep
= arg2Rep
;
667 curI
->SrcReg
[optype
][1].argMod
= arg2Mod
;
671 curI
->SrcReg
[optype
][2].Index
= arg3
;
672 curI
->SrcReg
[optype
][2].argRep
= arg3Rep
;
673 curI
->SrcReg
[optype
][2].argMod
= arg3Mod
;
676 curI
->DstReg
[optype
].Index
= dst
;
677 curI
->DstReg
[optype
].dstMod
= dstMod
;
678 curI
->DstReg
[optype
].dstMask
= dstMask
;
680 #if MESA_DEBUG_ATI_FS
681 debug_op(optype
, arg_count
, op
, dst
, dstMask
, dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, arg3
, arg3Rep
, arg3Mod
);
687 _mesa_ColorFragmentOp1ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
688 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
691 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 1, op
, dst
, dstMask
,
692 dstMod
, arg1
, arg1Rep
, arg1Mod
, 0, 0, 0, 0, 0, 0);
696 _mesa_ColorFragmentOp2ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
697 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
698 GLuint arg1Mod
, GLuint arg2
, GLuint arg2Rep
,
701 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 2, op
, dst
, dstMask
,
702 dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
,
707 _mesa_ColorFragmentOp3ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
708 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
709 GLuint arg1Mod
, GLuint arg2
, GLuint arg2Rep
,
710 GLuint arg2Mod
, GLuint arg3
, GLuint arg3Rep
,
713 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 3, op
, dst
, dstMask
,
714 dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
,
715 arg2Mod
, arg3
, arg3Rep
, arg3Mod
);
719 _mesa_AlphaFragmentOp1ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
720 GLuint arg1Rep
, GLuint arg1Mod
)
722 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 1, op
, dst
, 0, dstMod
,
723 arg1
, arg1Rep
, arg1Mod
, 0, 0, 0, 0, 0, 0);
727 _mesa_AlphaFragmentOp2ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
728 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
729 GLuint arg2Rep
, GLuint arg2Mod
)
731 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 2, op
, dst
, 0, dstMod
,
732 arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, 0, 0,
737 _mesa_AlphaFragmentOp3ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
738 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
739 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
740 GLuint arg3Rep
, GLuint arg3Mod
)
742 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 3, op
, dst
, 0, dstMod
,
743 arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, arg3
,
748 _mesa_SetFragmentShaderConstantATI(GLuint dst
, const GLfloat
* value
)
751 GET_CURRENT_CONTEXT(ctx
);
753 if ((dst
< GL_CON_0_ATI
) || (dst
> GL_CON_7_ATI
)) {
754 /* spec says nothing about what should happen here but we can't just segfault...*/
755 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSetFragmentShaderConstantATI(dst)");
759 dstindex
= dst
- GL_CON_0_ATI
;
760 if (ctx
->ATIFragmentShader
.Compiling
) {
761 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
762 COPY_4V(curProg
->Constants
[dstindex
], value
);
763 curProg
->LocalConstDef
|= 1 << dstindex
;
766 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
767 COPY_4V(ctx
->ATIFragmentShader
.GlobalConstants
[dstindex
], value
);