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/mfeatures.h"
30 #include "main/enums.h"
31 #include "main/mtypes.h"
32 #include "main/dispatch.h"
33 #include "main/atifragshader.h"
35 #if FEATURE_ATI_fragment_shader
37 #define MESA_DEBUG_ATI_FS 0
39 static struct ati_fragment_shader DummyShader
;
43 _mesa_init_ati_fragment_shader_dispatch(struct _glapi_table
*disp
)
45 SET_GenFragmentShadersATI(disp
, _mesa_GenFragmentShadersATI
);
46 SET_BindFragmentShaderATI(disp
, _mesa_BindFragmentShaderATI
);
47 SET_DeleteFragmentShaderATI(disp
, _mesa_DeleteFragmentShaderATI
);
48 SET_BeginFragmentShaderATI(disp
, _mesa_BeginFragmentShaderATI
);
49 SET_EndFragmentShaderATI(disp
, _mesa_EndFragmentShaderATI
);
50 SET_PassTexCoordATI(disp
, _mesa_PassTexCoordATI
);
51 SET_SampleMapATI(disp
, _mesa_SampleMapATI
);
52 SET_ColorFragmentOp1ATI(disp
, _mesa_ColorFragmentOp1ATI
);
53 SET_ColorFragmentOp2ATI(disp
, _mesa_ColorFragmentOp2ATI
);
54 SET_ColorFragmentOp3ATI(disp
, _mesa_ColorFragmentOp3ATI
);
55 SET_AlphaFragmentOp1ATI(disp
, _mesa_AlphaFragmentOp1ATI
);
56 SET_AlphaFragmentOp2ATI(disp
, _mesa_AlphaFragmentOp2ATI
);
57 SET_AlphaFragmentOp3ATI(disp
, _mesa_AlphaFragmentOp3ATI
);
58 SET_SetFragmentShaderConstantATI(disp
, _mesa_SetFragmentShaderConstantATI
);
63 * Allocate and initialize a new ATI fragment shader object.
65 struct ati_fragment_shader
*
66 _mesa_new_ati_fragment_shader(struct gl_context
*ctx
, GLuint id
)
68 struct ati_fragment_shader
*s
= CALLOC_STRUCT(ati_fragment_shader
);
79 * Delete the given ati fragment shader
82 _mesa_delete_ati_fragment_shader(struct gl_context
*ctx
, struct ati_fragment_shader
*s
)
85 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
86 free(s
->Instructions
[i
]);
87 free(s
->SetupInst
[i
]);
95 new_arith_inst(struct ati_fragment_shader
*prog
)
97 /* set "default" instruction as not all may get defined.
98 there is no specified way to express a nop with ati fragment shaders we use
99 GL_NONE as the op enum and just set some params to 0 - so nothing to do here */
100 prog
->numArithInstr
[prog
->cur_pass
>> 1]++;
104 new_tex_inst(struct ati_fragment_shader
*prog
)
108 static void match_pair_inst(struct ati_fragment_shader
*curProg
, GLuint optype
)
110 if (optype
== curProg
->last_optype
) {
111 curProg
->last_optype
= 1;
115 #if MESA_DEBUG_ATI_FS
117 create_dst_mod_str(GLuint mod
)
119 static char ret_str
[1024];
121 memset(ret_str
, 0, 1024);
122 if (mod
& GL_2X_BIT_ATI
)
123 strncat(ret_str
, "|2X", 1024);
125 if (mod
& GL_4X_BIT_ATI
)
126 strncat(ret_str
, "|4X", 1024);
128 if (mod
& GL_8X_BIT_ATI
)
129 strncat(ret_str
, "|8X", 1024);
130 if (mod
& GL_HALF_BIT_ATI
)
131 strncat(ret_str
, "|HA", 1024);
132 if (mod
& GL_QUARTER_BIT_ATI
)
133 strncat(ret_str
, "|QU", 1024);
134 if (mod
& GL_EIGHTH_BIT_ATI
)
135 strncat(ret_str
, "|EI", 1024);
137 if (mod
& GL_SATURATE_BIT_ATI
)
138 strncat(ret_str
, "|SAT", 1024);
140 if (strlen(ret_str
) == 0)
141 strncat(ret_str
, "NONE", 1024);
145 static char *atifs_ops
[] = {"ColorFragmentOp1ATI", "ColorFragmentOp2ATI", "ColorFragmentOp3ATI",
146 "AlphaFragmentOp1ATI", "AlphaFragmentOp2ATI", "AlphaFragmentOp3ATI" };
148 static void debug_op(GLint optype
, GLuint arg_count
, GLenum op
, GLuint dst
,
149 GLuint dstMask
, GLuint dstMod
, GLuint arg1
,
150 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
151 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
152 GLuint arg3Rep
, GLuint arg3Mod
)
156 op_name
= atifs_ops
[(arg_count
-1)+(optype
?3:0)];
158 fprintf(stderr
, "%s(%s, %s", op_name
, _mesa_lookup_enum_by_nr(op
),
159 _mesa_lookup_enum_by_nr(dst
));
161 fprintf(stderr
, ", %d", dstMask
);
163 fprintf(stderr
, ", %s", create_dst_mod_str(dstMod
));
165 fprintf(stderr
, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg1
),
166 _mesa_lookup_enum_by_nr(arg1Rep
), arg1Mod
);
168 fprintf(stderr
, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg2
),
169 _mesa_lookup_enum_by_nr(arg2Rep
), arg2Mod
);
171 fprintf(stderr
, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg3
),
172 _mesa_lookup_enum_by_nr(arg3Rep
), arg3Mod
);
174 fprintf(stderr
,")\n");
179 static int check_arith_arg(struct ati_fragment_shader
*curProg
,
180 GLuint optype
, GLuint arg
, GLuint argRep
)
182 GET_CURRENT_CONTEXT(ctx
);
184 if (((arg
< GL_CON_0_ATI
) || (arg
> GL_CON_7_ATI
)) &&
185 ((arg
< GL_REG_0_ATI
) || (arg
> GL_REG_5_ATI
)) &&
186 (arg
!= GL_ZERO
) && (arg
!= GL_ONE
) &&
187 (arg
!= GL_PRIMARY_COLOR_ARB
) && (arg
!= GL_SECONDARY_INTERPOLATOR_ATI
)) {
188 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(arg)");
191 if ((arg
== GL_SECONDARY_INTERPOLATOR_ATI
) && (((optype
== 0) && (argRep
== GL_ALPHA
)) ||
192 ((optype
== 1) && ((arg
== GL_ALPHA
) || (argRep
== GL_NONE
))))) {
193 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(sec_interp)");
196 if ((arg
== GL_SECONDARY_INTERPOLATOR_ATI
) && (((optype
== 0) && (argRep
== GL_ALPHA
)) ||
197 ((optype
== 1) && ((arg
== GL_ALPHA
) || (argRep
== GL_NONE
))))) {
198 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(sec_interp)");
201 if ((curProg
->cur_pass
== 1) &&
202 ((arg
== GL_PRIMARY_COLOR_ARB
) || (arg
== GL_SECONDARY_INTERPOLATOR_ATI
))) {
203 curProg
->interpinp1
= GL_TRUE
;
209 _mesa_GenFragmentShadersATI(GLuint range
)
213 GET_CURRENT_CONTEXT(ctx
);
216 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGenFragmentShadersATI(range)");
220 if (ctx
->ATIFragmentShader
.Compiling
) {
221 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glGenFragmentShadersATI(insideShader)");
225 first
= _mesa_HashFindFreeKeyBlock(ctx
->Shared
->ATIShaders
, range
);
226 for (i
= 0; i
< range
; i
++) {
227 _mesa_HashInsert(ctx
->Shared
->ATIShaders
, first
+ i
, &DummyShader
);
234 _mesa_BindFragmentShaderATI(GLuint id
)
236 GET_CURRENT_CONTEXT(ctx
);
237 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
238 struct ati_fragment_shader
*newProg
;
240 if (ctx
->ATIFragmentShader
.Compiling
) {
241 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBindFragmentShaderATI(insideShader)");
245 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
247 if (curProg
->Id
== id
) {
252 if (curProg
->Id
!= 0) {
254 if (curProg
->RefCount
<= 0) {
255 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
259 /* find new shader */
261 newProg
= ctx
->Shared
->DefaultFragmentShader
;
264 newProg
= (struct ati_fragment_shader
*)
265 _mesa_HashLookup(ctx
->Shared
->ATIShaders
, id
);
266 if (!newProg
|| newProg
== &DummyShader
) {
267 /* allocate a new program now */
268 newProg
= _mesa_new_ati_fragment_shader(ctx
, id
);
270 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glBindFragmentShaderATI");
273 _mesa_HashInsert(ctx
->Shared
->ATIShaders
, id
, newProg
);
279 ctx
->ATIFragmentShader
.Current
= newProg
;
281 ASSERT(ctx
->ATIFragmentShader
.Current
);
285 /*if (ctx->Driver.BindProgram)
286 ctx->Driver.BindProgram(ctx, target, prog); */
290 _mesa_DeleteFragmentShaderATI(GLuint id
)
292 GET_CURRENT_CONTEXT(ctx
);
294 if (ctx
->ATIFragmentShader
.Compiling
) {
295 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glDeleteFragmentShaderATI(insideShader)");
300 struct ati_fragment_shader
*prog
= (struct ati_fragment_shader
*)
301 _mesa_HashLookup(ctx
->Shared
->ATIShaders
, id
);
302 if (prog
== &DummyShader
) {
303 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
306 if (ctx
->ATIFragmentShader
.Current
&&
307 ctx
->ATIFragmentShader
.Current
->Id
== id
) {
308 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
309 _mesa_BindFragmentShaderATI(0);
313 /* The ID is immediately available for re-use now */
314 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
317 if (prog
->RefCount
<= 0) {
318 assert(prog
!= &DummyShader
);
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 free(ctx
->ATIFragmentShader
.Current
->Instructions
[i
]);
344 free(ctx
->ATIFragmentShader
.Current
->SetupInst
[i
]);
347 /* malloc the instructions here - not sure if the best place but its
349 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
350 ctx
->ATIFragmentShader
.Current
->Instructions
[i
] =
351 calloc(1, sizeof(struct atifs_instruction
) *
352 (MAX_NUM_INSTRUCTIONS_PER_PASS_ATI
));
353 ctx
->ATIFragmentShader
.Current
->SetupInst
[i
] =
354 calloc(1, sizeof(struct atifs_setupinst
) *
355 (MAX_NUM_FRAGMENT_REGISTERS_ATI
));
358 /* can't rely on calloc for initialization as it's possible to redefine a shader (?) */
359 ctx
->ATIFragmentShader
.Current
->LocalConstDef
= 0;
360 ctx
->ATIFragmentShader
.Current
->numArithInstr
[0] = 0;
361 ctx
->ATIFragmentShader
.Current
->numArithInstr
[1] = 0;
362 ctx
->ATIFragmentShader
.Current
->regsAssigned
[0] = 0;
363 ctx
->ATIFragmentShader
.Current
->regsAssigned
[1] = 0;
364 ctx
->ATIFragmentShader
.Current
->NumPasses
= 0;
365 ctx
->ATIFragmentShader
.Current
->cur_pass
= 0;
366 ctx
->ATIFragmentShader
.Current
->last_optype
= 0;
367 ctx
->ATIFragmentShader
.Current
->interpinp1
= GL_FALSE
;
368 ctx
->ATIFragmentShader
.Current
->isValid
= GL_FALSE
;
369 ctx
->ATIFragmentShader
.Current
->swizzlerq
= 0;
370 ctx
->ATIFragmentShader
.Compiling
= 1;
374 _mesa_EndFragmentShaderATI(void)
376 GET_CURRENT_CONTEXT(ctx
);
377 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
378 #if MESA_DEBUG_ATI_FS
382 if (!ctx
->ATIFragmentShader
.Compiling
) {
383 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(outsideShader)");
386 if (curProg
->interpinp1
&& (ctx
->ATIFragmentShader
.Current
->cur_pass
> 1)) {
387 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(interpinfirstpass)");
388 /* according to spec, DON'T return here */
391 match_pair_inst(curProg
, 0);
392 ctx
->ATIFragmentShader
.Compiling
= 0;
393 ctx
->ATIFragmentShader
.Current
->isValid
= GL_TRUE
;
394 if ((ctx
->ATIFragmentShader
.Current
->cur_pass
== 0) ||
395 (ctx
->ATIFragmentShader
.Current
->cur_pass
== 2)) {
396 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(noarithinst)");
398 if (ctx
->ATIFragmentShader
.Current
->cur_pass
> 1)
399 ctx
->ATIFragmentShader
.Current
->NumPasses
= 2;
401 ctx
->ATIFragmentShader
.Current
->NumPasses
= 1;
403 ctx
->ATIFragmentShader
.Current
->cur_pass
= 0;
405 #if MESA_DEBUG_ATI_FS
406 for (j
= 0; j
< MAX_NUM_PASSES_ATI
; j
++) {
407 for (i
= 0; i
< MAX_NUM_FRAGMENT_REGISTERS_ATI
; i
++) {
408 GLuint op
= curProg
->SetupInst
[j
][i
].Opcode
;
409 const char *op_enum
= op
> 5 ? _mesa_lookup_enum_by_nr(op
) : "0";
410 GLuint src
= curProg
->SetupInst
[j
][i
].src
;
411 GLuint swizzle
= curProg
->SetupInst
[j
][i
].swizzle
;
412 fprintf(stderr
, "%2d %04X %s %d %04X\n", i
, op
, op_enum
, src
,
415 for (i
= 0; i
< curProg
->numArithInstr
[j
]; i
++) {
416 GLuint op0
= curProg
->Instructions
[j
][i
].Opcode
[0];
417 GLuint op1
= curProg
->Instructions
[j
][i
].Opcode
[1];
418 const char *op0_enum
= op0
> 5 ? _mesa_lookup_enum_by_nr(op0
) : "0";
419 const char *op1_enum
= op1
> 5 ? _mesa_lookup_enum_by_nr(op1
) : "0";
420 GLuint count0
= curProg
->Instructions
[j
][i
].ArgCount
[0];
421 GLuint count1
= curProg
->Instructions
[j
][i
].ArgCount
[1];
422 fprintf(stderr
, "%2d %04X %s %d %04X %s %d\n", i
, op0
, op0_enum
, count0
,
423 op1
, op1_enum
, count1
);
428 if (!ctx
->Driver
.ProgramStringNotify(ctx
, GL_FRAGMENT_SHADER_ATI
, NULL
)) {
429 ctx
->ATIFragmentShader
.Current
->isValid
= GL_FALSE
;
430 /* XXX is this the right error? */
431 _mesa_error(ctx
, GL_INVALID_OPERATION
,
432 "glEndFragmentShaderATI(driver rejected shader)");
437 _mesa_PassTexCoordATI(GLuint dst
, GLuint coord
, GLenum swizzle
)
439 GET_CURRENT_CONTEXT(ctx
);
440 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
441 struct atifs_setupinst
*curI
;
443 if (!ctx
->ATIFragmentShader
.Compiling
) {
444 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(outsideShader)");
448 if (curProg
->cur_pass
== 1) {
449 match_pair_inst(curProg
, 0);
450 curProg
->cur_pass
= 2;
452 if ((curProg
->cur_pass
> 2) ||
453 ((1 << (dst
- GL_REG_0_ATI
)) & curProg
->regsAssigned
[curProg
->cur_pass
>> 1])) {
454 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoord(pass)");
457 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
) ||
458 ((dst
- GL_REG_0_ATI
) >= ctx
->Const
.MaxTextureUnits
)) {
459 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(dst)");
462 if (((coord
< GL_REG_0_ATI
) || (coord
> GL_REG_5_ATI
)) &&
463 ((coord
< GL_TEXTURE0_ARB
) || (coord
> GL_TEXTURE7_ARB
) ||
464 ((coord
- GL_TEXTURE0_ARB
) >= ctx
->Const
.MaxTextureUnits
))) {
465 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(coord)");
468 if ((curProg
->cur_pass
== 0) && (coord
>= GL_REG_0_ATI
)) {
469 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(coord)");
472 if (!(swizzle
>= GL_SWIZZLE_STR_ATI
) && (swizzle
<= GL_SWIZZLE_STQ_DQ_ATI
)) {
473 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(swizzle)");
476 if ((swizzle
& 1) && (coord
>= GL_REG_0_ATI
)) {
477 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(swizzle)");
480 if (coord
<= GL_TEXTURE7_ARB
) {
481 GLuint tmp
= coord
- GL_TEXTURE0_ARB
;
482 if ((((curProg
->swizzlerq
>> (tmp
* 2)) & 3) != 0) &&
483 (((swizzle
& 1) + 1) != ((curProg
->swizzlerq
>> (tmp
* 2)) & 3))) {
484 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(swizzle)");
487 curProg
->swizzlerq
|= (((swizzle
& 1) + 1) << (tmp
* 2));
491 curProg
->regsAssigned
[curProg
->cur_pass
>> 1] |= 1 << (dst
- GL_REG_0_ATI
);
492 new_tex_inst(curProg
);
494 /* add the instructions */
495 curI
= &curProg
->SetupInst
[curProg
->cur_pass
>> 1][dst
- GL_REG_0_ATI
];
497 curI
->Opcode
= ATI_FRAGMENT_SHADER_PASS_OP
;
499 curI
->swizzle
= swizzle
;
501 #if MESA_DEBUG_ATI_FS
502 _mesa_debug(ctx
, "%s(%s, %s, %s)\n", __FUNCTION__
,
503 _mesa_lookup_enum_by_nr(dst
), _mesa_lookup_enum_by_nr(coord
),
504 _mesa_lookup_enum_by_nr(swizzle
));
509 _mesa_SampleMapATI(GLuint dst
, GLuint interp
, GLenum swizzle
)
511 GET_CURRENT_CONTEXT(ctx
);
512 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
513 struct atifs_setupinst
*curI
;
515 if (!ctx
->ATIFragmentShader
.Compiling
) {
516 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(outsideShader)");
520 if (curProg
->cur_pass
== 1) {
521 match_pair_inst(curProg
, 0);
522 curProg
->cur_pass
= 2;
524 if ((curProg
->cur_pass
> 2) ||
525 ((1 << (dst
- GL_REG_0_ATI
)) & curProg
->regsAssigned
[curProg
->cur_pass
>> 1])) {
526 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(pass)");
529 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
) ||
530 ((dst
- GL_REG_0_ATI
) >= ctx
->Const
.MaxTextureUnits
)) {
531 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(dst)");
534 if (((interp
< GL_REG_0_ATI
) || (interp
> GL_REG_5_ATI
)) &&
535 ((interp
< GL_TEXTURE0_ARB
) || (interp
> GL_TEXTURE7_ARB
) ||
536 ((interp
- GL_TEXTURE0_ARB
) >= ctx
->Const
.MaxTextureUnits
))) {
537 /* is this texture5 or texture7? spec is a bit unclear there */
538 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(interp)");
541 if ((curProg
->cur_pass
== 0) && (interp
>= GL_REG_0_ATI
)) {
542 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(interp)");
545 if (!(swizzle
>= GL_SWIZZLE_STR_ATI
) && (swizzle
<= GL_SWIZZLE_STQ_DQ_ATI
)) {
546 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(swizzle)");
549 if ((swizzle
& 1) && (interp
>= GL_REG_0_ATI
)) {
550 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(swizzle)");
553 if (interp
<= GL_TEXTURE7_ARB
) {
554 GLuint tmp
= interp
- GL_TEXTURE0_ARB
;
555 if ((((curProg
->swizzlerq
>> (tmp
* 2)) & 3) != 0) &&
556 (((swizzle
& 1) + 1) != ((curProg
->swizzlerq
>> (tmp
* 2)) & 3))) {
557 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(swizzle)");
560 curProg
->swizzlerq
|= (((swizzle
& 1) + 1) << (tmp
* 2));
564 curProg
->regsAssigned
[curProg
->cur_pass
>> 1] |= 1 << (dst
- GL_REG_0_ATI
);
565 new_tex_inst(curProg
);
567 /* add the instructions */
568 curI
= &curProg
->SetupInst
[curProg
->cur_pass
>> 1][dst
- GL_REG_0_ATI
];
570 curI
->Opcode
= ATI_FRAGMENT_SHADER_SAMPLE_OP
;
572 curI
->swizzle
= swizzle
;
574 #if MESA_DEBUG_ATI_FS
575 _mesa_debug(ctx
, "%s(%s, %s, %s)\n", __FUNCTION__
,
576 _mesa_lookup_enum_by_nr(dst
), _mesa_lookup_enum_by_nr(interp
),
577 _mesa_lookup_enum_by_nr(swizzle
));
582 _mesa_FragmentOpXATI(GLint optype
, GLuint arg_count
, GLenum op
, GLuint dst
,
583 GLuint dstMask
, GLuint dstMod
, GLuint arg1
,
584 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
585 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
586 GLuint arg3Rep
, GLuint arg3Mod
)
588 GET_CURRENT_CONTEXT(ctx
);
589 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
591 struct atifs_instruction
*curI
;
592 GLuint modtemp
= dstMod
& ~GL_SATURATE_BIT_ATI
;
594 if (!ctx
->ATIFragmentShader
.Compiling
) {
595 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(outsideShader)");
599 if (curProg
->cur_pass
==0)
602 else if (curProg
->cur_pass
==2)
605 /* decide whether this is a new instruction or not ... all color instructions are new,
606 and alpha instructions might also be new if there was no preceding color inst */
607 if ((optype
== 0) || (curProg
->last_optype
== optype
)) {
608 if (curProg
->numArithInstr
[curProg
->cur_pass
>> 1] > 7) {
609 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(instrCount)");
612 /* easier to do that here slight side effect invalid instr will still be inserted as nops */
613 match_pair_inst(curProg
, optype
);
614 new_arith_inst(curProg
);
616 curProg
->last_optype
= optype
;
617 ci
= curProg
->numArithInstr
[curProg
->cur_pass
>> 1] - 1;
619 /* add the instructions */
620 curI
= &curProg
->Instructions
[curProg
->cur_pass
>> 1][ci
];
623 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
)) {
624 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(dst)");
627 if ((modtemp
!= GL_NONE
) && (modtemp
!= GL_2X_BIT_ATI
) &&
628 (modtemp
!= GL_4X_BIT_ATI
) && (modtemp
!= GL_8X_BIT_ATI
) &&
629 (modtemp
!= GL_HALF_BIT_ATI
) && !(modtemp
!= GL_QUARTER_BIT_ATI
) &&
630 (modtemp
!= GL_EIGHTH_BIT_ATI
)) {
631 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(dstMod)%x", modtemp
);
634 /* op checking? Actually looks like that's missing in the spec but we'll do it anyway */
635 if (((op
< GL_ADD_ATI
) || (op
> GL_DOT2_ADD_ATI
)) && !(op
== GL_MOV_ATI
)) {
636 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(op)");
640 if (((op
== GL_DOT2_ADD_ATI
) && (curI
->Opcode
[0] != GL_DOT2_ADD_ATI
)) ||
641 ((op
== GL_DOT3_ATI
) && (curI
->Opcode
[0] != GL_DOT3_ATI
)) ||
642 ((op
== GL_DOT4_ATI
) && (curI
->Opcode
[0] != GL_DOT4_ATI
)) ||
643 ((op
!= GL_DOT4_ATI
) && (curI
->Opcode
[0] == GL_DOT4_ATI
))) {
644 _mesa_error(ctx
, GL_INVALID_OPERATION
, "AFragmentOpATI(op)");
648 if ((op
== GL_DOT4_ATI
) &&
649 (((arg1
== GL_SECONDARY_INTERPOLATOR_ATI
) && ((arg1Rep
== GL_ALPHA
) || (arg1Rep
== GL_NONE
))) ||
650 (((arg2
== GL_SECONDARY_INTERPOLATOR_ATI
) && ((arg2Rep
== GL_ALPHA
) || (arg2Rep
== GL_NONE
)))))) {
651 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(sec_interp)");
654 if (!check_arith_arg(curProg
, optype
, arg1
, arg1Rep
)) {
658 if (!check_arith_arg(curProg
, optype
, arg2
, arg2Rep
)) {
663 if (!check_arith_arg(curProg
, optype
, arg3
, arg3Rep
)) {
666 if ((arg1
>= GL_CON_0_ATI
) && (arg1
<= GL_CON_7_ATI
) &&
667 (arg2
>= GL_CON_0_ATI
) && (arg2
<= GL_CON_7_ATI
) &&
668 (arg3
>= GL_CON_0_ATI
) && (arg3
<= GL_CON_7_ATI
) &&
669 (arg1
!= arg2
) && (arg1
!= arg3
) && (arg2
!= arg3
)) {
670 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(3Consts)");
675 /* all ok - not all fully validated though (e.g. argNMod - spec doesn't say anything) */
677 curI
->Opcode
[optype
] = op
;
678 curI
->SrcReg
[optype
][0].Index
= arg1
;
679 curI
->SrcReg
[optype
][0].argRep
= arg1Rep
;
680 curI
->SrcReg
[optype
][0].argMod
= arg1Mod
;
681 curI
->ArgCount
[optype
] = arg_count
;
684 curI
->SrcReg
[optype
][1].Index
= arg2
;
685 curI
->SrcReg
[optype
][1].argRep
= arg2Rep
;
686 curI
->SrcReg
[optype
][1].argMod
= arg2Mod
;
690 curI
->SrcReg
[optype
][2].Index
= arg3
;
691 curI
->SrcReg
[optype
][2].argRep
= arg3Rep
;
692 curI
->SrcReg
[optype
][2].argMod
= arg3Mod
;
695 curI
->DstReg
[optype
].Index
= dst
;
696 curI
->DstReg
[optype
].dstMod
= dstMod
;
697 curI
->DstReg
[optype
].dstMask
= dstMask
;
699 #if MESA_DEBUG_ATI_FS
700 debug_op(optype
, arg_count
, op
, dst
, dstMask
, dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, arg3
, arg3Rep
, arg3Mod
);
706 _mesa_ColorFragmentOp1ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
707 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
710 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 1, op
, dst
, dstMask
,
711 dstMod
, arg1
, arg1Rep
, arg1Mod
, 0, 0, 0, 0, 0, 0);
715 _mesa_ColorFragmentOp2ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
716 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
717 GLuint arg1Mod
, GLuint arg2
, GLuint arg2Rep
,
720 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 2, op
, dst
, dstMask
,
721 dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
,
726 _mesa_ColorFragmentOp3ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
727 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
728 GLuint arg1Mod
, GLuint arg2
, GLuint arg2Rep
,
729 GLuint arg2Mod
, GLuint arg3
, GLuint arg3Rep
,
732 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 3, op
, dst
, dstMask
,
733 dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
,
734 arg2Mod
, arg3
, arg3Rep
, arg3Mod
);
738 _mesa_AlphaFragmentOp1ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
739 GLuint arg1Rep
, GLuint arg1Mod
)
741 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 1, op
, dst
, 0, dstMod
,
742 arg1
, arg1Rep
, arg1Mod
, 0, 0, 0, 0, 0, 0);
746 _mesa_AlphaFragmentOp2ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
747 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
748 GLuint arg2Rep
, GLuint arg2Mod
)
750 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 2, op
, dst
, 0, dstMod
,
751 arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, 0, 0,
756 _mesa_AlphaFragmentOp3ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
757 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
758 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
759 GLuint arg3Rep
, GLuint arg3Mod
)
761 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 3, op
, dst
, 0, dstMod
,
762 arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, arg3
,
767 _mesa_SetFragmentShaderConstantATI(GLuint dst
, const GLfloat
* value
)
770 GET_CURRENT_CONTEXT(ctx
);
772 if ((dst
< GL_CON_0_ATI
) || (dst
> GL_CON_7_ATI
)) {
773 /* spec says nothing about what should happen here but we can't just segfault...*/
774 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSetFragmentShaderConstantATI(dst)");
778 dstindex
= dst
- GL_CON_0_ATI
;
779 if (ctx
->ATIFragmentShader
.Compiling
) {
780 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
781 COPY_4V(curProg
->Constants
[dstindex
], value
);
782 curProg
->LocalConstDef
|= 1 << dstindex
;
785 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
786 COPY_4V(ctx
->ATIFragmentShader
.GlobalConstants
[dstindex
], value
);
790 #endif /* FEATURE_ATI_fragment_shader */