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/atifragshader.h"
32 #include "program/program.h"
34 #define MESA_DEBUG_ATI_FS 0
36 static struct ati_fragment_shader DummyShader
;
40 * Allocate and initialize a new ATI fragment shader object.
42 struct ati_fragment_shader
*
43 _mesa_new_ati_fragment_shader(struct gl_context
*ctx
, GLuint id
)
45 struct ati_fragment_shader
*s
= CALLOC_STRUCT(ati_fragment_shader
);
56 * Delete the given ati fragment shader
59 _mesa_delete_ati_fragment_shader(struct gl_context
*ctx
, struct ati_fragment_shader
*s
)
63 if (s
== &DummyShader
)
66 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
67 free(s
->Instructions
[i
]);
68 free(s
->SetupInst
[i
]);
70 _mesa_reference_program(ctx
, &s
->Program
, NULL
);
75 static void match_pair_inst(struct ati_fragment_shader
*curProg
, GLuint optype
)
77 if (optype
== curProg
->last_optype
) {
78 curProg
->last_optype
= ATI_FRAGMENT_SHADER_ALPHA_OP
;
84 create_dst_mod_str(GLuint mod
)
86 static char ret_str
[1024];
88 memset(ret_str
, 0, 1024);
89 if (mod
& GL_2X_BIT_ATI
)
90 strncat(ret_str
, "|2X", 1024);
92 if (mod
& GL_4X_BIT_ATI
)
93 strncat(ret_str
, "|4X", 1024);
95 if (mod
& GL_8X_BIT_ATI
)
96 strncat(ret_str
, "|8X", 1024);
97 if (mod
& GL_HALF_BIT_ATI
)
98 strncat(ret_str
, "|HA", 1024);
99 if (mod
& GL_QUARTER_BIT_ATI
)
100 strncat(ret_str
, "|QU", 1024);
101 if (mod
& GL_EIGHTH_BIT_ATI
)
102 strncat(ret_str
, "|EI", 1024);
104 if (mod
& GL_SATURATE_BIT_ATI
)
105 strncat(ret_str
, "|SAT", 1024);
107 if (strlen(ret_str
) == 0)
108 strncat(ret_str
, "NONE", 1024);
112 static char *atifs_ops
[] = {"ColorFragmentOp1ATI", "ColorFragmentOp2ATI", "ColorFragmentOp3ATI",
113 "AlphaFragmentOp1ATI", "AlphaFragmentOp2ATI", "AlphaFragmentOp3ATI" };
115 static void debug_op(GLint optype
, GLuint arg_count
, GLenum op
, GLuint dst
,
116 GLuint dstMask
, GLuint dstMod
, GLuint arg1
,
117 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
118 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
119 GLuint arg3Rep
, GLuint arg3Mod
)
123 op_name
= atifs_ops
[(arg_count
-1)+(optype
?3:0)];
125 fprintf(stderr
, "%s(%s, %s", op_name
, _mesa_enum_to_string(op
),
126 _mesa_enum_to_string(dst
));
127 if (optype
== ATI_FRAGMENT_SHADER_COLOR_OP
)
128 fprintf(stderr
, ", %d", dstMask
);
130 fprintf(stderr
, ", %s", create_dst_mod_str(dstMod
));
132 fprintf(stderr
, ", %s, %s, %d", _mesa_enum_to_string(arg1
),
133 _mesa_enum_to_string(arg1Rep
), arg1Mod
);
135 fprintf(stderr
, ", %s, %s, %d", _mesa_enum_to_string(arg2
),
136 _mesa_enum_to_string(arg2Rep
), arg2Mod
);
138 fprintf(stderr
, ", %s, %s, %d", _mesa_enum_to_string(arg3
),
139 _mesa_enum_to_string(arg3Rep
), arg3Mod
);
141 fprintf(stderr
,")\n");
147 check_arith_arg(GLuint optype
, GLuint arg
, GLuint argRep
)
149 GET_CURRENT_CONTEXT(ctx
);
151 if (((arg
< GL_CON_0_ATI
) || (arg
> GL_CON_7_ATI
)) &&
152 ((arg
< GL_REG_0_ATI
) || (arg
> GL_REG_5_ATI
)) &&
153 (arg
!= GL_ZERO
) && (arg
!= GL_ONE
) &&
154 (arg
!= GL_PRIMARY_COLOR_ARB
) && (arg
!= GL_SECONDARY_INTERPOLATOR_ATI
)) {
155 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(arg)");
158 /* The ATI_fragment_shader spec says:
160 * The error INVALID_OPERATION is generated by
161 * ColorFragmentOp[1..3]ATI if <argN> is SECONDARY_INTERPOLATOR_ATI
162 * and <argNRep> is ALPHA, or by AlphaFragmentOp[1..3]ATI if <argN>
163 * is SECONDARY_INTERPOLATOR_ATI and <argNRep> is ALPHA or NONE, ...
165 if (arg
== GL_SECONDARY_INTERPOLATOR_ATI
) {
166 if (optype
== ATI_FRAGMENT_SHADER_COLOR_OP
&& argRep
== GL_ALPHA
) {
167 _mesa_error(ctx
, GL_INVALID_OPERATION
, "CFragmentOpATI(sec_interp)");
169 } else if (optype
== ATI_FRAGMENT_SHADER_ALPHA_OP
&&
170 (argRep
== GL_ALPHA
|| argRep
== GL_NONE
)) {
171 _mesa_error(ctx
, GL_INVALID_OPERATION
, "AFragmentOpATI(sec_interp)");
179 check_arg_color(GLubyte pass
, GLuint arg
)
181 if (pass
== 1 && (arg
== GL_PRIMARY_COLOR_ARB
|| arg
== GL_SECONDARY_INTERPOLATOR_ATI
))
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 _mesa_HashLockMutex(ctx
->Shared
->ATIShaders
);
205 first
= _mesa_HashFindFreeKeyBlock(ctx
->Shared
->ATIShaders
, range
);
206 for (i
= 0; i
< range
; i
++) {
207 _mesa_HashInsertLocked(ctx
->Shared
->ATIShaders
, first
+ i
, &DummyShader
);
210 _mesa_HashUnlockMutex(ctx
->Shared
->ATIShaders
);
216 _mesa_BindFragmentShaderATI(GLuint id
)
218 GET_CURRENT_CONTEXT(ctx
);
219 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
220 struct ati_fragment_shader
*newProg
;
222 if (ctx
->ATIFragmentShader
.Compiling
) {
223 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBindFragmentShaderATI(insideShader)");
227 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
229 if (curProg
->Id
== id
) {
234 if (curProg
->Id
!= 0) {
236 if (curProg
->RefCount
<= 0) {
237 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
241 /* find new shader */
243 newProg
= ctx
->Shared
->DefaultFragmentShader
;
246 newProg
= (struct ati_fragment_shader
*)
247 _mesa_HashLookup(ctx
->Shared
->ATIShaders
, id
);
248 if (!newProg
|| newProg
== &DummyShader
) {
249 /* allocate a new program now */
250 newProg
= _mesa_new_ati_fragment_shader(ctx
, id
);
252 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glBindFragmentShaderATI");
255 _mesa_HashInsert(ctx
->Shared
->ATIShaders
, id
, newProg
);
261 ctx
->ATIFragmentShader
.Current
= newProg
;
263 assert(ctx
->ATIFragmentShader
.Current
);
269 _mesa_DeleteFragmentShaderATI(GLuint id
)
271 GET_CURRENT_CONTEXT(ctx
);
273 if (ctx
->ATIFragmentShader
.Compiling
) {
274 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glDeleteFragmentShaderATI(insideShader)");
279 struct ati_fragment_shader
*prog
= (struct ati_fragment_shader
*)
280 _mesa_HashLookup(ctx
->Shared
->ATIShaders
, id
);
281 if (prog
== &DummyShader
) {
282 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
285 if (ctx
->ATIFragmentShader
.Current
&&
286 ctx
->ATIFragmentShader
.Current
->Id
== id
) {
287 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
288 _mesa_BindFragmentShaderATI(0);
292 /* The ID is immediately available for re-use now */
293 _mesa_HashRemove(ctx
->Shared
->ATIShaders
, id
);
296 if (prog
->RefCount
<= 0) {
297 _mesa_delete_ati_fragment_shader(ctx
, prog
);
305 _mesa_BeginFragmentShaderATI(void)
308 GET_CURRENT_CONTEXT(ctx
);
310 if (ctx
->ATIFragmentShader
.Compiling
) {
311 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBeginFragmentShaderATI(insideShader)");
315 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
317 /* if the shader was already defined free instructions and get new ones
318 (or, could use the same mem but would need to reinitialize) */
319 /* no idea if it's allowed to redefine a shader */
320 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
321 free(ctx
->ATIFragmentShader
.Current
->Instructions
[i
]);
322 free(ctx
->ATIFragmentShader
.Current
->SetupInst
[i
]);
325 _mesa_reference_program(ctx
, &ctx
->ATIFragmentShader
.Current
->Program
, NULL
);
327 /* malloc the instructions here - not sure if the best place but its
329 for (i
= 0; i
< MAX_NUM_PASSES_ATI
; i
++) {
330 ctx
->ATIFragmentShader
.Current
->Instructions
[i
] =
331 calloc(sizeof(struct atifs_instruction
),
332 MAX_NUM_INSTRUCTIONS_PER_PASS_ATI
);
333 ctx
->ATIFragmentShader
.Current
->SetupInst
[i
] =
334 calloc(sizeof(struct atifs_setupinst
),
335 MAX_NUM_FRAGMENT_REGISTERS_ATI
);
338 /* can't rely on calloc for initialization as it's possible to redefine a shader (?) */
339 ctx
->ATIFragmentShader
.Current
->LocalConstDef
= 0;
340 ctx
->ATIFragmentShader
.Current
->numArithInstr
[0] = 0;
341 ctx
->ATIFragmentShader
.Current
->numArithInstr
[1] = 0;
342 ctx
->ATIFragmentShader
.Current
->regsAssigned
[0] = 0;
343 ctx
->ATIFragmentShader
.Current
->regsAssigned
[1] = 0;
344 ctx
->ATIFragmentShader
.Current
->NumPasses
= 0;
345 ctx
->ATIFragmentShader
.Current
->cur_pass
= 0;
346 ctx
->ATIFragmentShader
.Current
->last_optype
= 0;
347 ctx
->ATIFragmentShader
.Current
->interpinp1
= GL_FALSE
;
348 ctx
->ATIFragmentShader
.Current
->isValid
= GL_FALSE
;
349 ctx
->ATIFragmentShader
.Current
->swizzlerq
= 0;
350 ctx
->ATIFragmentShader
.Compiling
= 1;
351 #if MESA_DEBUG_ATI_FS
352 _mesa_debug(ctx
, "%s %u\n", __func__
, ctx
->ATIFragmentShader
.Current
->Id
);
357 _mesa_EndFragmentShaderATI(void)
359 GET_CURRENT_CONTEXT(ctx
);
360 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
361 #if MESA_DEBUG_ATI_FS
365 if (!ctx
->ATIFragmentShader
.Compiling
) {
366 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(outsideShader)");
369 if (curProg
->interpinp1
&& (ctx
->ATIFragmentShader
.Current
->cur_pass
> 1)) {
370 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(interpinfirstpass)");
371 /* according to spec, DON'T return here */
374 match_pair_inst(curProg
, 0);
375 ctx
->ATIFragmentShader
.Compiling
= 0;
376 ctx
->ATIFragmentShader
.Current
->isValid
= GL_TRUE
;
377 if ((ctx
->ATIFragmentShader
.Current
->cur_pass
== 0) ||
378 (ctx
->ATIFragmentShader
.Current
->cur_pass
== 2)) {
379 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEndFragmentShaderATI(noarithinst)");
381 if (ctx
->ATIFragmentShader
.Current
->cur_pass
> 1)
382 ctx
->ATIFragmentShader
.Current
->NumPasses
= 2;
384 ctx
->ATIFragmentShader
.Current
->NumPasses
= 1;
386 ctx
->ATIFragmentShader
.Current
->cur_pass
= 0;
388 #if MESA_DEBUG_ATI_FS
389 for (j
= 0; j
< MAX_NUM_PASSES_ATI
; j
++) {
390 for (i
= 0; i
< MAX_NUM_FRAGMENT_REGISTERS_ATI
; i
++) {
391 GLuint op
= curProg
->SetupInst
[j
][i
].Opcode
;
392 const char *op_enum
= op
> 5 ? _mesa_enum_to_string(op
) : "0";
393 GLuint src
= curProg
->SetupInst
[j
][i
].src
;
394 GLuint swizzle
= curProg
->SetupInst
[j
][i
].swizzle
;
395 fprintf(stderr
, "%2d %04X %s %d %04X\n", i
, op
, op_enum
, src
,
398 for (i
= 0; i
< curProg
->numArithInstr
[j
]; i
++) {
399 GLuint op0
= curProg
->Instructions
[j
][i
].Opcode
[0];
400 GLuint op1
= curProg
->Instructions
[j
][i
].Opcode
[1];
401 const char *op0_enum
= op0
> 5 ? _mesa_enum_to_string(op0
) : "0";
402 const char *op1_enum
= op1
> 5 ? _mesa_enum_to_string(op1
) : "0";
403 GLuint count0
= curProg
->Instructions
[j
][i
].ArgCount
[0];
404 GLuint count1
= curProg
->Instructions
[j
][i
].ArgCount
[1];
405 fprintf(stderr
, "%2d %04X %s %d %04X %s %d\n", i
, op0
, op0_enum
, count0
,
406 op1
, op1_enum
, count1
);
411 if (ctx
->Driver
.NewATIfs
) {
412 struct gl_program
*prog
= ctx
->Driver
.NewATIfs(ctx
,
413 ctx
->ATIFragmentShader
.Current
);
414 _mesa_reference_program(ctx
, &ctx
->ATIFragmentShader
.Current
->Program
, prog
);
417 if (!ctx
->Driver
.ProgramStringNotify(ctx
, GL_FRAGMENT_SHADER_ATI
,
419 ctx
->ATIFragmentShader
.Current
->isValid
= GL_FALSE
;
420 /* XXX is this the right error? */
421 _mesa_error(ctx
, GL_INVALID_OPERATION
,
422 "glEndFragmentShaderATI(driver rejected shader)");
427 _mesa_PassTexCoordATI(GLuint dst
, GLuint coord
, GLenum swizzle
)
429 GET_CURRENT_CONTEXT(ctx
);
430 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
431 struct atifs_setupinst
*curI
;
432 GLubyte new_pass
= curProg
->cur_pass
;
434 if (!ctx
->ATIFragmentShader
.Compiling
) {
435 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(outsideShader)");
439 if (curProg
->cur_pass
== 1)
441 if ((new_pass
> 2) ||
442 ((1 << (dst
- GL_REG_0_ATI
)) & curProg
->regsAssigned
[new_pass
>> 1])) {
443 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoord(pass)");
446 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
) ||
447 ((dst
- GL_REG_0_ATI
) >= ctx
->Const
.MaxTextureUnits
)) {
448 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(dst)");
451 if (((coord
< GL_REG_0_ATI
) || (coord
> GL_REG_5_ATI
)) &&
452 ((coord
< GL_TEXTURE0_ARB
) || (coord
> GL_TEXTURE7_ARB
) ||
453 ((coord
- GL_TEXTURE0_ARB
) >= ctx
->Const
.MaxTextureUnits
))) {
454 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(coord)");
457 if ((new_pass
== 0) && (coord
>= GL_REG_0_ATI
)) {
458 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(coord)");
461 if (!(swizzle
>= GL_SWIZZLE_STR_ATI
) && (swizzle
<= GL_SWIZZLE_STQ_DQ_ATI
)) {
462 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPassTexCoordATI(swizzle)");
465 if ((swizzle
& 1) && (coord
>= GL_REG_0_ATI
)) {
466 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(swizzle)");
469 if (coord
<= GL_TEXTURE7_ARB
) {
470 GLuint tmp
= coord
- GL_TEXTURE0_ARB
;
471 if ((((curProg
->swizzlerq
>> (tmp
* 2)) & 3) != 0) &&
472 (((swizzle
& 1) + 1) != ((curProg
->swizzlerq
>> (tmp
* 2)) & 3))) {
473 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPassTexCoordATI(swizzle)");
476 curProg
->swizzlerq
|= (((swizzle
& 1) + 1) << (tmp
* 2));
480 if (curProg
->cur_pass
== 1)
481 match_pair_inst(curProg
, 0);
482 curProg
->cur_pass
= new_pass
;
483 curProg
->regsAssigned
[curProg
->cur_pass
>> 1] |= 1 << (dst
- GL_REG_0_ATI
);
485 /* add the instructions */
486 curI
= &curProg
->SetupInst
[curProg
->cur_pass
>> 1][dst
- GL_REG_0_ATI
];
488 curI
->Opcode
= ATI_FRAGMENT_SHADER_PASS_OP
;
490 curI
->swizzle
= swizzle
;
492 #if MESA_DEBUG_ATI_FS
493 _mesa_debug(ctx
, "%s(%s, %s, %s)\n", __func__
,
494 _mesa_enum_to_string(dst
), _mesa_enum_to_string(coord
),
495 _mesa_enum_to_string(swizzle
));
500 _mesa_SampleMapATI(GLuint dst
, GLuint interp
, GLenum swizzle
)
502 GET_CURRENT_CONTEXT(ctx
);
503 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
504 struct atifs_setupinst
*curI
;
505 GLubyte new_pass
= curProg
->cur_pass
;
507 if (!ctx
->ATIFragmentShader
.Compiling
) {
508 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(outsideShader)");
512 if (curProg
->cur_pass
== 1)
514 if ((new_pass
> 2) ||
515 ((1 << (dst
- GL_REG_0_ATI
)) & curProg
->regsAssigned
[new_pass
>> 1])) {
516 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(pass)");
519 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
) ||
520 ((dst
- GL_REG_0_ATI
) >= ctx
->Const
.MaxTextureUnits
)) {
521 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(dst)");
524 if (((interp
< GL_REG_0_ATI
) || (interp
> GL_REG_5_ATI
)) &&
525 ((interp
< GL_TEXTURE0_ARB
) || (interp
> GL_TEXTURE7_ARB
) ||
526 ((interp
- GL_TEXTURE0_ARB
) >= ctx
->Const
.MaxTextureUnits
))) {
527 /* is this texture5 or texture7? spec is a bit unclear there */
528 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(interp)");
531 if ((new_pass
== 0) && (interp
>= GL_REG_0_ATI
)) {
532 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(interp)");
535 if (!(swizzle
>= GL_SWIZZLE_STR_ATI
) && (swizzle
<= GL_SWIZZLE_STQ_DQ_ATI
)) {
536 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSampleMapATI(swizzle)");
539 if ((swizzle
& 1) && (interp
>= GL_REG_0_ATI
)) {
540 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(swizzle)");
543 if (interp
<= GL_TEXTURE7_ARB
) {
544 GLuint tmp
= interp
- GL_TEXTURE0_ARB
;
545 if ((((curProg
->swizzlerq
>> (tmp
* 2)) & 3) != 0) &&
546 (((swizzle
& 1) + 1) != ((curProg
->swizzlerq
>> (tmp
* 2)) & 3))) {
547 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glSampleMapATI(swizzle)");
550 curProg
->swizzlerq
|= (((swizzle
& 1) + 1) << (tmp
* 2));
554 if (curProg
->cur_pass
== 1)
555 match_pair_inst(curProg
, 0);
556 curProg
->cur_pass
= new_pass
;
557 curProg
->regsAssigned
[curProg
->cur_pass
>> 1] |= 1 << (dst
- GL_REG_0_ATI
);
559 /* add the instructions */
560 curI
= &curProg
->SetupInst
[curProg
->cur_pass
>> 1][dst
- GL_REG_0_ATI
];
562 curI
->Opcode
= ATI_FRAGMENT_SHADER_SAMPLE_OP
;
564 curI
->swizzle
= swizzle
;
566 #if MESA_DEBUG_ATI_FS
567 _mesa_debug(ctx
, "%s(%s, %s, %s)\n", __func__
,
568 _mesa_enum_to_string(dst
), _mesa_enum_to_string(interp
),
569 _mesa_enum_to_string(swizzle
));
574 _mesa_FragmentOpXATI(GLint optype
, GLuint arg_count
, GLenum op
, GLuint dst
,
575 GLuint dstMask
, GLuint dstMod
, GLuint arg1
,
576 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
577 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
578 GLuint arg3Rep
, GLuint arg3Mod
)
580 GET_CURRENT_CONTEXT(ctx
);
581 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
583 struct atifs_instruction
*curI
;
584 GLuint modtemp
= dstMod
& ~GL_SATURATE_BIT_ATI
;
585 GLubyte new_pass
= curProg
->cur_pass
;
586 GLubyte numArithInstr
;
588 if (!ctx
->ATIFragmentShader
.Compiling
) {
589 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(outsideShader)");
593 if (curProg
->cur_pass
== 0)
595 else if (curProg
->cur_pass
== 2)
598 numArithInstr
= curProg
->numArithInstr
[new_pass
>> 1];
600 /* Decide whether this is a new instruction or not. All color instructions
601 * are new, and alpha instructions might also be new if there was no
602 * preceding color inst. This may also be the first inst of the pass
604 if (optype
== ATI_FRAGMENT_SHADER_COLOR_OP
||
605 curProg
->last_optype
== optype
||
606 curProg
->numArithInstr
[new_pass
>> 1] == 0) {
607 if (curProg
->numArithInstr
[new_pass
>> 1] > 7) {
608 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(instrCount)");
613 ci
= numArithInstr
- 1;
614 curI
= &curProg
->Instructions
[new_pass
>> 1][ci
];
617 if ((dst
< GL_REG_0_ATI
) || (dst
> GL_REG_5_ATI
)) {
618 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(dst)");
621 if ((modtemp
!= GL_NONE
) && (modtemp
!= GL_2X_BIT_ATI
) &&
622 (modtemp
!= GL_4X_BIT_ATI
) && (modtemp
!= GL_8X_BIT_ATI
) &&
623 (modtemp
!= GL_HALF_BIT_ATI
) && (modtemp
!= GL_QUARTER_BIT_ATI
) &&
624 (modtemp
!= GL_EIGHTH_BIT_ATI
)) {
625 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(dstMod)%x", modtemp
);
628 /* op checking? Actually looks like that's missing in the spec but we'll do it anyway */
629 if (((op
< GL_ADD_ATI
) || (op
> GL_DOT2_ADD_ATI
)) && !(op
== GL_MOV_ATI
)) {
630 _mesa_error(ctx
, GL_INVALID_ENUM
, "C/AFragmentOpATI(op)");
633 if (optype
== ATI_FRAGMENT_SHADER_ALPHA_OP
) {
634 if (((op
== GL_DOT2_ADD_ATI
) && (curI
->Opcode
[0] != GL_DOT2_ADD_ATI
)) ||
635 ((op
== GL_DOT3_ATI
) && (curI
->Opcode
[0] != GL_DOT3_ATI
)) ||
636 ((op
== GL_DOT4_ATI
) && (curI
->Opcode
[0] != GL_DOT4_ATI
)) ||
637 ((op
!= GL_DOT4_ATI
) && (curI
->Opcode
[0] == GL_DOT4_ATI
))) {
638 _mesa_error(ctx
, GL_INVALID_OPERATION
, "AFragmentOpATI(op)");
642 /* The ATI_fragment_shader spec says:
644 * The error INVALID_OPERATION is generated by... ColorFragmentOp2ATI
645 * if <op> is DOT4_ATI and <argN> is SECONDARY_INTERPOLATOR_ATI and
646 * <argNRep> is ALPHA or NONE.
648 if (optype
== ATI_FRAGMENT_SHADER_COLOR_OP
&& 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_interpDOT4)");
655 if (!check_arith_arg(optype
, arg1
, arg1Rep
)) {
659 if (!check_arith_arg(optype
, arg2
, arg2Rep
)) {
664 if (!check_arith_arg(optype
, arg3
, arg3Rep
)) {
667 if ((arg1
>= GL_CON_0_ATI
) && (arg1
<= GL_CON_7_ATI
) &&
668 (arg2
>= GL_CON_0_ATI
) && (arg2
<= GL_CON_7_ATI
) &&
669 (arg3
>= GL_CON_0_ATI
) && (arg3
<= GL_CON_7_ATI
) &&
670 (arg1
!= arg2
) && (arg1
!= arg3
) && (arg2
!= arg3
)) {
671 _mesa_error(ctx
, GL_INVALID_OPERATION
, "C/AFragmentOpATI(3Consts)");
676 /* all ok - not all fully validated though (e.g. argNMod - spec doesn't say anything) */
678 curProg
->interpinp1
|= check_arg_color(new_pass
, arg1
);
680 curProg
->interpinp1
|= check_arg_color(new_pass
, arg2
);
682 curProg
->interpinp1
|= check_arg_color(new_pass
, arg3
);
684 curProg
->numArithInstr
[new_pass
>> 1] = numArithInstr
;
685 curProg
->last_optype
= optype
;
686 curProg
->cur_pass
= new_pass
;
688 curI
->Opcode
[optype
] = op
;
689 curI
->SrcReg
[optype
][0].Index
= arg1
;
690 curI
->SrcReg
[optype
][0].argRep
= arg1Rep
;
691 curI
->SrcReg
[optype
][0].argMod
= arg1Mod
;
692 curI
->ArgCount
[optype
] = arg_count
;
695 curI
->SrcReg
[optype
][1].Index
= arg2
;
696 curI
->SrcReg
[optype
][1].argRep
= arg2Rep
;
697 curI
->SrcReg
[optype
][1].argMod
= arg2Mod
;
701 curI
->SrcReg
[optype
][2].Index
= arg3
;
702 curI
->SrcReg
[optype
][2].argRep
= arg3Rep
;
703 curI
->SrcReg
[optype
][2].argMod
= arg3Mod
;
706 curI
->DstReg
[optype
].Index
= dst
;
707 curI
->DstReg
[optype
].dstMod
= dstMod
;
708 curI
->DstReg
[optype
].dstMask
= dstMask
;
710 #if MESA_DEBUG_ATI_FS
711 debug_op(optype
, arg_count
, op
, dst
, dstMask
, dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, arg3
, arg3Rep
, arg3Mod
);
717 _mesa_ColorFragmentOp1ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
718 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
721 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 1, op
, dst
, dstMask
,
722 dstMod
, arg1
, arg1Rep
, arg1Mod
, 0, 0, 0, 0, 0, 0);
726 _mesa_ColorFragmentOp2ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
727 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
728 GLuint arg1Mod
, GLuint arg2
, GLuint arg2Rep
,
731 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 2, op
, dst
, dstMask
,
732 dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
,
737 _mesa_ColorFragmentOp3ATI(GLenum op
, GLuint dst
, GLuint dstMask
,
738 GLuint dstMod
, GLuint arg1
, GLuint arg1Rep
,
739 GLuint arg1Mod
, GLuint arg2
, GLuint arg2Rep
,
740 GLuint arg2Mod
, GLuint arg3
, GLuint arg3Rep
,
743 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP
, 3, op
, dst
, dstMask
,
744 dstMod
, arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
,
745 arg2Mod
, arg3
, arg3Rep
, arg3Mod
);
749 _mesa_AlphaFragmentOp1ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
750 GLuint arg1Rep
, GLuint arg1Mod
)
752 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 1, op
, dst
, 0, dstMod
,
753 arg1
, arg1Rep
, arg1Mod
, 0, 0, 0, 0, 0, 0);
757 _mesa_AlphaFragmentOp2ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
758 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
759 GLuint arg2Rep
, GLuint arg2Mod
)
761 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 2, op
, dst
, 0, dstMod
,
762 arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, 0, 0,
767 _mesa_AlphaFragmentOp3ATI(GLenum op
, GLuint dst
, GLuint dstMod
, GLuint arg1
,
768 GLuint arg1Rep
, GLuint arg1Mod
, GLuint arg2
,
769 GLuint arg2Rep
, GLuint arg2Mod
, GLuint arg3
,
770 GLuint arg3Rep
, GLuint arg3Mod
)
772 _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP
, 3, op
, dst
, 0, dstMod
,
773 arg1
, arg1Rep
, arg1Mod
, arg2
, arg2Rep
, arg2Mod
, arg3
,
778 _mesa_SetFragmentShaderConstantATI(GLuint dst
, const GLfloat
* value
)
781 GET_CURRENT_CONTEXT(ctx
);
783 if ((dst
< GL_CON_0_ATI
) || (dst
> GL_CON_7_ATI
)) {
784 /* spec says nothing about what should happen here but we can't just segfault...*/
785 _mesa_error(ctx
, GL_INVALID_ENUM
, "glSetFragmentShaderConstantATI(dst)");
789 dstindex
= dst
- GL_CON_0_ATI
;
790 if (ctx
->ATIFragmentShader
.Compiling
) {
791 struct ati_fragment_shader
*curProg
= ctx
->ATIFragmentShader
.Current
;
792 COPY_4V(curProg
->Constants
[dstindex
], value
);
793 curProg
->LocalConstDef
|= 1 << dstindex
;
796 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
797 COPY_4V(ctx
->ATIFragmentShader
.GlobalConstants
[dstindex
], value
);