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.
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 _mesa_free(s
->Instructions
[i
]);
65 _mesa_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 _mesa_memset(ret_str
, 0, 1024);
100 if (mod
& GL_2X_BIT_ATI
)
101 _mesa_strncat(ret_str
, "|2X", 1024);
103 if (mod
& GL_4X_BIT_ATI
)
104 _mesa_strncat(ret_str
, "|4X", 1024);
106 if (mod
& GL_8X_BIT_ATI
)
107 _mesa_strncat(ret_str
, "|8X", 1024);
108 if (mod
& GL_HALF_BIT_ATI
)
109 _mesa_strncat(ret_str
, "|HA", 1024);
110 if (mod
& GL_QUARTER_BIT_ATI
)
111 _mesa_strncat(ret_str
, "|QU", 1024);
112 if (mod
& GL_EIGHTH_BIT_ATI
)
113 _mesa_strncat(ret_str
, "|EI", 1024);
115 if (mod
& GL_SATURATE_BIT_ATI
)
116 _mesa_strncat(ret_str
, "|SAT", 1024);
118 if (_mesa_strlen(ret_str
) == 0)
119 _mesa_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
);
294 if (prog
->RefCount
<= 0) {
302 _mesa_BeginFragmentShaderATI(void)
305 GET_CURRENT_CONTEXT(ctx
);
307 if (ctx
->ATIFragmentShader
.Compiling
) {
308 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBeginFragmentShaderATI(insideShader)");
312 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
314 /* if the shader was already defined free instructions and get new ones
315 (or, could use the same mem but would need to reinitialize) */
316 /* no idea if it's allowed to redefine a shader */
317 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
318 if (ctx
->ATIFragmentShader
.Current
->Instructions
[i
])
319 _mesa_free(ctx
->ATIFragmentShader
.Current
->Instructions
[i
]);
320 if (ctx
->ATIFragmentShader
.Current
->SetupInst
[i
])
321 _mesa_free(ctx
->ATIFragmentShader
.Current
->SetupInst
[i
]);
324 /* malloc the instructions here - not sure if the best place but its
326 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
327 ctx
->ATIFragmentShader
.Current
->Instructions
[i
] =
328 (struct atifs_instruction
*)
329 _mesa_calloc(sizeof(struct atifs_instruction
) *
330 (MAX_NUM_INSTRUCTIONS_PER_PASS_ATI
));
331 ctx
->ATIFragmentShader
.Current
->SetupInst
[i
] =
332 (struct atifs_setupinst
*)
333 _mesa_calloc(sizeof(struct atifs_setupinst
) *
334 (MAX_NUM_FRAGMENT_REGISTERS_ATI
));
337 /* can't rely on calloc for initialization as it's possible to redefine a shader (?) */
338 ctx
->ATIFragmentShader
.Current
->LocalConstDef
= 0;
339 ctx
->ATIFragmentShader
.Current
->numArithInstr
[0] = 0;
340 ctx
->ATIFragmentShader
.Current
->numArithInstr
[1] = 0;
341 ctx
->ATIFragmentShader
.Current
->regsAssigned
[0] = 0;
342 ctx
->ATIFragmentShader
.Current
->regsAssigned
[1] = 0;
343 ctx
->ATIFragmentShader
.Current
->NumPasses
= 0;
344 ctx
->ATIFragmentShader
.Current
->cur_pass
= 0;
345 ctx
->ATIFragmentShader
.Current
->last_optype
= 0;
346 ctx
->ATIFragmentShader
.Current
->interpinp1
= GL_FALSE
;
347 ctx
->ATIFragmentShader
.Current
->isValid
= GL_FALSE
;
348 ctx
->ATIFragmentShader
.Current
->swizzlerq
= 0;
349 ctx
->ATIFragmentShader
.Compiling
= 1;
353 _mesa_EndFragmentShaderATI(void)
355 GET_CURRENT_CONTEXT(ctx
);
356 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
357 #if MESA_DEBUG_ATI_FS
361 if (!ctx
->ATIFragmentShader
.Compiling
) {
362 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(outsideShader)");
365 if (curProg
->interpinp1
&& (ctx
->ATIFragmentShader
.Current
->cur_pass
> 1)) {
366 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(interpinfirstpass)");
367 /* according to spec, DON'T return here */
370 match_pair_inst(curProg
, 0);
371 ctx
->ATIFragmentShader
.Compiling
= 0;
372 ctx
->ATIFragmentShader
.Current
->isValid
= GL_TRUE
;
373 if ((ctx
->ATIFragmentShader
.Current
->cur_pass
== 0) ||
374 (ctx
->ATIFragmentShader
.Current
->cur_pass
== 2)) {
375 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(noarithinst)");
377 if (ctx
->ATIFragmentShader
.Current
->cur_pass
> 1)
378 ctx
->ATIFragmentShader
.Current
->NumPasses
= 2;
379 else ctx
->ATIFragmentShader
.Current
->NumPasses
= 1;
380 ctx
->ATIFragmentShader
.Current
->cur_pass
=0;
381 #if MESA_DEBUG_ATI_FS
382 for (j
= 0; j
< MAX_NUM_PASSES_ATI
; j
++) {
383 for (i
= 0; i
< MAX_NUM_FRAGMENT_REGISTERS_ATI
; i
++) {
384 GLuint op
= curProg
->SetupInst
[j
][i
].Opcode
;
385 const char *op_enum
= op
> 5 ? _mesa_lookup_enum_by_nr(op
) : "0";
386 GLuint src
= curProg
->SetupInst
[j
][i
].src
;
387 GLuint swizzle
= curProg
->SetupInst
[j
][i
].swizzle
;
388 fprintf(stderr
, "%2d %04X %s %d %04X\n", i
, op
, op_enum
, src
,
391 for (i
= 0; i
< curProg
->numArithInstr
[j
]; i
++) {
392 GLuint op0
= curProg
->Instructions
[j
][i
].Opcode
[0];
393 GLuint op1
= curProg
->Instructions
[j
][i
].Opcode
[1];
394 const char *op0_enum
= op0
> 5 ? _mesa_lookup_enum_by_nr(op0
) : "0";
395 const char *op1_enum
= op1
> 5 ? _mesa_lookup_enum_by_nr(op1
) : "0";
396 GLuint count0
= curProg
->Instructions
[j
][i
].ArgCount
[0];
397 GLuint count1
= curProg
->Instructions
[j
][i
].ArgCount
[1];
398 fprintf(stderr
, "%2d %04X %s %d %04X %s %d\n", i
, op0
, op0_enum
, count0
,
399 op1
, op1_enum
, count1
);
403 if (ctx
->Driver
.ProgramStringNotify
)
404 ctx
->Driver
.ProgramStringNotify( ctx
, GL_FRAGMENT_SHADER_ATI
, NULL
);
408 _mesa_PassTexCoordATI(GLuint dst
, GLuint coord
, GLenum swizzle
)
410 GET_CURRENT_CONTEXT(ctx
);
411 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
412 struct atifs_setupinst
*curI
;
414 if (!ctx
->ATIFragmentShader
.Compiling
) {
415 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(outsideShader)");
419 if (curProg
->cur_pass
== 1) {
420 match_pair_inst(curProg
, 0);
421 curProg
->cur_pass
= 2;
423 if ((curProg
->cur_pass
> 2) ||
424 ((1 << (dst
- GL_REG_0_ATI
)) & curProg
->regsAssigned
[curProg
->cur_pass
>> 1])) {
425 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoord(pass)");
428 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
) ||
429 ((dst
- GL_REG_0_ATI
) >= ctx
->Const
.MaxTextureUnits
)) {
430 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(dst)");
433 if (((coord
< GL_REG_0_ATI
) || (coord
> GL_REG_5_ATI
)) &&
434 ((coord
< GL_TEXTURE0_ARB
) || (coord
> GL_TEXTURE7_ARB
) ||
435 ((coord
- GL_TEXTURE0_ARB
) >= ctx
->Const
.MaxTextureUnits
))) {
436 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(coord)");
439 if ((curProg
->cur_pass
== 0) && (coord
>= GL_REG_0_ATI
)) {
440 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(coord)");
443 if ((swizzle
< GL_SWIZZLE_STR_ATI
) && (swizzle
> GL_SWIZZLE_STQ_DQ_ATI
)) {
444 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(swizzle)");
447 if ((swizzle
& 1) && (coord
>= GL_REG_0_ATI
)) {
448 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(swizzle)");
451 if (coord
<= GL_TEXTURE7_ARB
) {
452 GLuint tmp
= coord
- GL_TEXTURE0_ARB
;
453 if ((((curProg
->swizzlerq
>> (tmp
* 2)) & 3) != 0) &&
454 (((swizzle
& 1) + 1) != ((curProg
->swizzlerq
>> (tmp
* 2)) & 3))) {
455 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(swizzle)");
458 curProg
->swizzlerq
|= (((swizzle
& 1) + 1) << (tmp
* 2));
462 curProg
->regsAssigned
[curProg
->cur_pass
>> 1] |= 1 << (dst
- GL_REG_0_ATI
);
463 new_tex_inst(curProg
);
465 /* add the instructions */
466 curI
= &curProg
->SetupInst
[curProg
->cur_pass
>> 1][dst
- GL_REG_0_ATI
];
468 curI
->Opcode
= ATI_FRAGMENT_SHADER_PASS_OP
;
470 curI
->swizzle
= swizzle
;
472 #if MESA_DEBUG_ATI_FS
473 _mesa_debug(ctx
, "%s(%s, %s, %s)\n", __FUNCTION__
,
474 _mesa_lookup_enum_by_nr(dst
), _mesa_lookup_enum_by_nr(coord
),
475 _mesa_lookup_enum_by_nr(swizzle
));
480 _mesa_SampleMapATI(GLuint dst
, GLuint interp
, GLenum swizzle
)
482 GET_CURRENT_CONTEXT(ctx
);
483 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
484 struct atifs_setupinst
*curI
;
486 if (!ctx
->ATIFragmentShader
.Compiling
) {
487 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(outsideShader)");
491 if (curProg
->cur_pass
== 1) {
492 match_pair_inst(curProg
, 0);
493 curProg
->cur_pass
= 2;
495 if ((curProg
->cur_pass
> 2) ||
496 ((1 << (dst
- GL_REG_0_ATI
)) & curProg
->regsAssigned
[curProg
->cur_pass
>> 1])) {
497 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(pass)");
500 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
) ||
501 ((dst
- GL_REG_0_ATI
) >= ctx
->Const
.MaxTextureUnits
)) {
502 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(dst)");
505 if (((interp
< GL_REG_0_ATI
) || (interp
> GL_REG_5_ATI
)) &&
506 ((interp
< GL_TEXTURE0_ARB
) || (interp
> GL_TEXTURE7_ARB
) ||
507 ((interp
- GL_TEXTURE0_ARB
) >= ctx
->Const
.MaxTextureUnits
))) {
508 /* is this texture5 or texture7? spec is a bit unclear there */
509 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(interp)");
512 if ((curProg
->cur_pass
== 0) && (interp
>= GL_REG_0_ATI
)) {
513 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(interp)");
516 if ((swizzle
< GL_SWIZZLE_STR_ATI
) && (swizzle
> GL_SWIZZLE_STQ_DQ_ATI
)) {
517 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(swizzle)");
520 if ((swizzle
& 1) && (interp
>= GL_REG_0_ATI
)) {
521 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(swizzle)");
524 if (interp
<= GL_TEXTURE7_ARB
) {
525 GLuint tmp
= interp
- GL_TEXTURE0_ARB
;
526 if ((((curProg
->swizzlerq
>> (tmp
* 2)) & 3) != 0) &&
527 (((swizzle
& 1) + 1) != ((curProg
->swizzlerq
>> (tmp
* 2)) & 3))) {
528 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(swizzle)");
531 curProg
->swizzlerq
|= (((swizzle
& 1) + 1) << (tmp
* 2));
535 curProg
->regsAssigned
[curProg
->cur_pass
>> 1] |= 1 << (dst
- GL_REG_0_ATI
);
536 new_tex_inst(curProg
);
538 /* add the instructions */
539 curI
= &curProg
->SetupInst
[curProg
->cur_pass
>> 1][dst
- GL_REG_0_ATI
];
541 curI
->Opcode
= ATI_FRAGMENT_SHADER_SAMPLE_OP
;
543 curI
->swizzle
= swizzle
;
545 #if MESA_DEBUG_ATI_FS
546 _mesa_debug(ctx
, "%s(%s, %s, %s)\n", __FUNCTION__
,
547 _mesa_lookup_enum_by_nr(dst
), _mesa_lookup_enum_by_nr(interp
),
548 _mesa_lookup_enum_by_nr(swizzle
));
553 _mesa_FragmentOpXATI(GLint optype
, GLuint arg_count
, GLenum op
, GLuint dst
,
554 GLuint dstMask
, GLuint dstMod
, GLuint arg1
,
555 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
556 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
557 GLuint arg3Rep
, GLuint arg3Mod
)
559 GET_CURRENT_CONTEXT(ctx
);
560 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
562 struct atifs_instruction
*curI
;
563 GLuint modtemp
= dstMod
& ~GL_SATURATE_BIT_ATI
;
565 if (!ctx
->ATIFragmentShader
.Compiling
) {
566 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(outsideShader)");
570 if (curProg
->cur_pass
==0)
573 else if (curProg
->cur_pass
==2)
576 /* decide whether this is a new instruction or not ... all color instructions are new,
577 and alpha instructions might also be new if there was no preceding color inst */
578 if ((optype
== 0) || (curProg
->last_optype
== optype
)) {
579 if (curProg
->numArithInstr
[curProg
->cur_pass
>> 1] > 7) {
580 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(instrCount)");
583 /* easier to do that here slight side effect invalid instr will still be inserted as nops */
584 match_pair_inst(curProg
, optype
);
585 new_arith_inst(curProg
);
587 curProg
->last_optype
= optype
;
588 ci
= curProg
->numArithInstr
[curProg
->cur_pass
>> 1] - 1;
590 /* add the instructions */
591 curI
= &curProg
->Instructions
[curProg
->cur_pass
>> 1][ci
];
594 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
)) {
595 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(dst)");
598 if ((modtemp
!= GL_NONE
) && (modtemp
!= GL_2X_BIT_ATI
) &&
599 (modtemp
!= GL_4X_BIT_ATI
) && (modtemp
!= GL_8X_BIT_ATI
) &&
600 (modtemp
!= GL_HALF_BIT_ATI
) && !(modtemp
!= GL_QUARTER_BIT_ATI
) &&
601 (modtemp
!= GL_EIGHTH_BIT_ATI
)) {
602 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(dstMod)%x", modtemp
);
605 /* op checking? Actually looks like that's missing in the spec but we'll do it anyway */
606 if (((op
< GL_ADD_ATI
) || (op
> GL_DOT2_ADD_ATI
)) && !(op
== GL_MOV_ATI
)) {
607 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(op)");
611 if (((op
== GL_DOT2_ADD_ATI
) && (curI
->Opcode
[0] != GL_DOT2_ADD_ATI
)) ||
612 ((op
== GL_DOT3_ATI
) && (curI
->Opcode
[0] != GL_DOT3_ATI
)) ||
613 ((op
== GL_DOT4_ATI
) && (curI
->Opcode
[0] != GL_DOT4_ATI
)) ||
614 ((op
!= GL_DOT4_ATI
) && (curI
->Opcode
[0] == GL_DOT4_ATI
))) {
615 _mesa_error(ctx
, GL_INVALID_OPERATION
, "AFragmentOpATI(op)");
619 if ((op
== GL_DOT4_ATI
) &&
620 (((arg1
== GL_SECONDARY_INTERPOLATOR_ATI
) && ((arg1Rep
== GL_ALPHA
) || (arg1Rep
== GL_NONE
))) ||
621 (((arg2
== GL_SECONDARY_INTERPOLATOR_ATI
) && ((arg2Rep
== GL_ALPHA
) || (arg2Rep
== GL_NONE
)))))) {
622 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(sec_interp)");
625 if (!check_arith_arg(curProg
, optype
, arg1
, arg1Rep
)) {
629 if (!check_arith_arg(curProg
, optype
, arg2
, arg2Rep
)) {
634 if (!check_arith_arg(curProg
, optype
, arg3
, arg3Rep
)) {
637 if ((arg1
>= GL_CON_0_ATI
) && (arg1
<= GL_CON_7_ATI
) &&
638 (arg2
>= GL_CON_0_ATI
) && (arg2
<= GL_CON_7_ATI
) &&
639 (arg3
>= GL_CON_0_ATI
) && (arg3
<= GL_CON_7_ATI
) &&
640 (arg1
!= arg2
) && (arg1
!= arg3
) && (arg2
!= arg3
)) {
641 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(3Consts)");
646 /* all ok - not all fully validated though (e.g. argNMod - spec doesn't say anything) */
648 curI
->Opcode
[optype
] = op
;
649 curI
->SrcReg
[optype
][0].Index
= arg1
;
650 curI
->SrcReg
[optype
][0].argRep
= arg1Rep
;
651 curI
->SrcReg
[optype
][0].argMod
= arg1Mod
;
652 curI
->ArgCount
[optype
] = arg_count
;
655 curI
->SrcReg
[optype
][1].Index
= arg2
;
656 curI
->SrcReg
[optype
][1].argRep
= arg2Rep
;
657 curI
->SrcReg
[optype
][1].argMod
= arg2Mod
;
661 curI
->SrcReg
[optype
][2].Index
= arg3
;
662 curI
->SrcReg
[optype
][2].argRep
= arg3Rep
;
663 curI
->SrcReg
[optype
][2].argMod
= arg3Mod
;
666 curI
->DstReg
[optype
].Index
= dst
;
667 curI
->DstReg
[optype
].dstMod
= dstMod
;
668 curI
->DstReg
[optype
].dstMask
= dstMask
;
670 #if MESA_DEBUG_ATI_FS
671 debug_op(optype
, arg_count
, op
, dst
, dstMask
, dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, arg3
, arg3Rep
, arg3Mod
);
677 _mesa_ColorFragmentOp1ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
678 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
681 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 1, op
, dst
, dstMask
,
682 dstMod
, arg1
, arg1Rep
, arg1Mod
, 0, 0, 0, 0, 0, 0);
686 _mesa_ColorFragmentOp2ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
687 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
688 GLuint arg1Mod
, GLuint arg2
, GLuint arg2Rep
,
691 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 2, op
, dst
, dstMask
,
692 dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
,
697 _mesa_ColorFragmentOp3ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
698 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
699 GLuint arg1Mod
, GLuint arg2
, GLuint arg2Rep
,
700 GLuint arg2Mod
, GLuint arg3
, GLuint arg3Rep
,
703 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 3, op
, dst
, dstMask
,
704 dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
,
705 arg2Mod
, arg3
, arg3Rep
, arg3Mod
);
709 _mesa_AlphaFragmentOp1ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
710 GLuint arg1Rep
, GLuint arg1Mod
)
712 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 1, op
, dst
, 0, dstMod
,
713 arg1
, arg1Rep
, arg1Mod
, 0, 0, 0, 0, 0, 0);
717 _mesa_AlphaFragmentOp2ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
718 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
719 GLuint arg2Rep
, GLuint arg2Mod
)
721 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 2, op
, dst
, 0, dstMod
,
722 arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, 0, 0,
727 _mesa_AlphaFragmentOp3ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
728 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
729 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
730 GLuint arg3Rep
, GLuint arg3Mod
)
732 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 3, op
, dst
, 0, dstMod
,
733 arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, arg3
,
738 _mesa_SetFragmentShaderConstantATI(GLuint dst
, const GLfloat
* value
)
741 GET_CURRENT_CONTEXT(ctx
);
743 if ((dst
< GL_CON_0_ATI
) || (dst
> GL_CON_7_ATI
)) {
744 /* spec says nothing about what should happen here but we can't just segfault...*/
745 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSetFragmentShaderConstantATI(dst)");
749 dstindex
= dst
- GL_CON_0_ATI
;
750 if (ctx
->ATIFragmentShader
.Compiling
) {
751 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
752 COPY_4V(curProg
->Constants
[dstindex
], value
);
753 curProg
->LocalConstDef
|= 1 << dstindex
;
756 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
757 COPY_4V(ctx
->ATIFragmentShader
.GlobalConstants
[dstindex
], value
);