2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 * ARB_vertex/fragment_program state management functions.
33 #include "arbprogram.h"
34 #include "arbfragparse.h"
35 #include "arbvertparse.h"
40 #include "nvprogram.h"
41 #include "nvfragparse.h"
42 #include "nvfragprog.h"
43 #include "nvvertparse.h"
44 #include "nvvertprog.h"
48 _mesa_EnableVertexAttribArrayARB(GLuint index
)
50 GET_CURRENT_CONTEXT(ctx
);
51 ASSERT_OUTSIDE_BEGIN_END(ctx
);
53 if (index
>= ctx
->Const
.MaxVertexProgramAttribs
) {
54 _mesa_error(ctx
, GL_INVALID_VALUE
,
55 "glEnableVertexAttribArrayARB(index)");
59 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
60 ctx
->Array
.VertexAttrib
[index
].Enabled
= GL_TRUE
;
61 ctx
->Array
._Enabled
|= _NEW_ARRAY_ATTRIB(index
);
62 ctx
->Array
.NewState
|= _NEW_ARRAY_ATTRIB(index
);
67 _mesa_DisableVertexAttribArrayARB(GLuint index
)
69 GET_CURRENT_CONTEXT(ctx
);
70 ASSERT_OUTSIDE_BEGIN_END(ctx
);
72 if (index
>= ctx
->Const
.MaxVertexProgramAttribs
) {
73 _mesa_error(ctx
, GL_INVALID_VALUE
,
74 "glEnableVertexAttribArrayARB(index)");
78 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
79 ctx
->Array
.VertexAttrib
[index
].Enabled
= GL_FALSE
;
80 ctx
->Array
._Enabled
&= ~_NEW_ARRAY_ATTRIB(index
);
81 ctx
->Array
.NewState
|= _NEW_ARRAY_ATTRIB(index
);
86 _mesa_GetVertexAttribdvARB(GLuint index
, GLenum pname
, GLdouble
*params
)
89 GET_CURRENT_CONTEXT(ctx
);
90 ASSERT_OUTSIDE_BEGIN_END(ctx
);
92 _mesa_GetVertexAttribfvARB(index
, pname
, fparams
);
93 if (ctx
->ErrorValue
== GL_NO_ERROR
) {
94 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
95 COPY_4V(params
, fparams
);
98 params
[0] = fparams
[0];
105 _mesa_GetVertexAttribfvARB(GLuint index
, GLenum pname
, GLfloat
*params
)
107 GET_CURRENT_CONTEXT(ctx
);
108 ASSERT_OUTSIDE_BEGIN_END(ctx
);
110 if (index
== 0 || index
>= MAX_VERTEX_PROGRAM_ATTRIBS
) {
111 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetVertexAttribfvARB(index)");
116 case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB
:
117 params
[0] = (GLfloat
) ctx
->Array
.VertexAttrib
[index
].Enabled
;
119 case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB
:
120 params
[0] = (GLfloat
) ctx
->Array
.VertexAttrib
[index
].Size
;
122 case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB
:
123 params
[0] = (GLfloat
) ctx
->Array
.VertexAttrib
[index
].Stride
;
125 case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB
:
126 params
[0] = (GLfloat
) ctx
->Array
.VertexAttrib
[index
].Type
;
128 case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB
:
129 params
[0] = ctx
->Array
.VertexAttrib
[index
].Normalized
;
131 case GL_CURRENT_VERTEX_ATTRIB_ARB
:
132 FLUSH_CURRENT(ctx
, 0);
133 COPY_4V(params
, ctx
->Current
.Attrib
[VERT_ATTRIB_GENERIC0
+ index
]);
135 case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB
:
136 if (!ctx
->Extensions
.ARB_vertex_buffer_object
) {
137 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetVertexAttribfvARB(pname)");
140 params
[0] = (GLfloat
) ctx
->Array
.VertexAttrib
[index
].BufferObj
->Name
;
142 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetVertexAttribfvARB(pname)");
149 _mesa_GetVertexAttribivARB(GLuint index
, GLenum pname
, GLint
*params
)
152 GET_CURRENT_CONTEXT(ctx
);
153 ASSERT_OUTSIDE_BEGIN_END(ctx
);
155 _mesa_GetVertexAttribfvARB(index
, pname
, fparams
);
156 if (ctx
->ErrorValue
== GL_NO_ERROR
) {
157 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
158 COPY_4V_CAST(params
, fparams
, GLint
); /* float to int */
161 params
[0] = (GLint
) fparams
[0];
168 _mesa_GetVertexAttribPointervARB(GLuint index
, GLenum pname
, GLvoid
**pointer
)
170 GET_CURRENT_CONTEXT(ctx
);
171 ASSERT_OUTSIDE_BEGIN_END(ctx
);
173 if (index
>= ctx
->Const
.MaxVertexProgramAttribs
) {
174 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetVertexAttribPointerARB(index)");
178 if (pname
!= GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB
) {
179 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetVertexAttribPointerARB(pname)");
183 *pointer
= (GLvoid
*) ctx
->Array
.VertexAttrib
[index
].Ptr
;;
188 _mesa_ProgramStringARB(GLenum target
, GLenum format
, GLsizei len
,
189 const GLvoid
*string
)
191 GET_CURRENT_CONTEXT(ctx
);
192 ASSERT_OUTSIDE_BEGIN_END(ctx
);
194 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
196 if (target
== GL_VERTEX_PROGRAM_ARB
197 && ctx
->Extensions
.ARB_vertex_program
) {
198 struct vertex_program
*prog
= ctx
->VertexProgram
.Current
;
199 if (format
!= GL_PROGRAM_FORMAT_ASCII_ARB
) {
200 _mesa_error(ctx
, GL_INVALID_ENUM
, "glProgramStringARB(format)");
203 _mesa_parse_arb_vertex_program(ctx
, target
, (const GLubyte
*) string
,
206 if (ctx
->Driver
.ProgramStringNotify
)
207 ctx
->Driver
.ProgramStringNotify( ctx
, target
, &prog
->Base
);
209 else if (target
== GL_FRAGMENT_PROGRAM_ARB
210 && ctx
->Extensions
.ARB_fragment_program
) {
211 struct fragment_program
*prog
= ctx
->FragmentProgram
.Current
;
212 if (format
!= GL_PROGRAM_FORMAT_ASCII_ARB
) {
213 _mesa_error(ctx
, GL_INVALID_ENUM
, "glProgramStringARB(format)");
216 _mesa_parse_arb_fragment_program(ctx
, target
, (const GLubyte
*) string
,
219 if (ctx
->Driver
.ProgramStringNotify
)
220 ctx
->Driver
.ProgramStringNotify( ctx
, target
, &prog
->Base
);
223 _mesa_error(ctx
, GL_INVALID_ENUM
, "glProgramStringARB(target)");
230 _mesa_ProgramEnvParameter4dARB(GLenum target
, GLuint index
,
231 GLdouble x
, GLdouble y
, GLdouble z
, GLdouble w
)
233 _mesa_ProgramEnvParameter4fARB(target
, index
, (GLfloat
) x
, (GLfloat
) y
,
234 (GLfloat
) z
, (GLfloat
) w
);
239 _mesa_ProgramEnvParameter4dvARB(GLenum target
, GLuint index
,
240 const GLdouble
*params
)
242 _mesa_ProgramEnvParameter4fARB(target
, index
, (GLfloat
) params
[0],
243 (GLfloat
) params
[1], (GLfloat
) params
[2],
244 (GLfloat
) params
[3]);
249 _mesa_ProgramEnvParameter4fARB(GLenum target
, GLuint index
,
250 GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
)
252 GET_CURRENT_CONTEXT(ctx
);
253 ASSERT_OUTSIDE_BEGIN_END(ctx
);
255 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
257 if (target
== GL_FRAGMENT_PROGRAM_ARB
258 && ctx
->Extensions
.ARB_fragment_program
) {
259 if (index
>= ctx
->Const
.MaxFragmentProgramEnvParams
) {
260 _mesa_error(ctx
, GL_INVALID_VALUE
, "glProgramEnvParameter(index)");
263 ASSIGN_4V(ctx
->FragmentProgram
.Parameters
[index
], x
, y
, z
, w
);
265 if (target
== GL_VERTEX_PROGRAM_ARB
266 && ctx
->Extensions
.ARB_vertex_program
) {
267 if (index
>= ctx
->Const
.MaxVertexProgramEnvParams
) {
268 _mesa_error(ctx
, GL_INVALID_VALUE
, "glProgramEnvParameter(index)");
271 ASSIGN_4V(ctx
->VertexProgram
.Parameters
[index
], x
, y
, z
, w
);
274 _mesa_error(ctx
, GL_INVALID_ENUM
, "glProgramEnvParameter(target)");
281 _mesa_ProgramEnvParameter4fvARB(GLenum target
, GLuint index
,
282 const GLfloat
*params
)
284 _mesa_ProgramEnvParameter4fARB(target
, index
, params
[0], params
[1],
285 params
[2], params
[3]);
290 _mesa_GetProgramEnvParameterdvARB(GLenum target
, GLuint index
,
293 GET_CURRENT_CONTEXT(ctx
);
296 _mesa_GetProgramEnvParameterfvARB(target
, index
, fparams
);
297 if (ctx
->ErrorValue
== GL_NO_ERROR
) {
298 params
[0] = fparams
[0];
299 params
[1] = fparams
[1];
300 params
[2] = fparams
[2];
301 params
[3] = fparams
[3];
307 _mesa_GetProgramEnvParameterfvARB(GLenum target
, GLuint index
,
310 GET_CURRENT_CONTEXT(ctx
);
312 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
314 if (!ctx
->_CurrentProgram
)
315 ASSERT_OUTSIDE_BEGIN_END(ctx
);
317 if (target
== GL_FRAGMENT_PROGRAM_ARB
318 && ctx
->Extensions
.ARB_fragment_program
) {
319 if (index
>= ctx
->Const
.MaxFragmentProgramEnvParams
) {
320 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetProgramEnvParameter(index)");
323 COPY_4V(params
, ctx
->FragmentProgram
.Parameters
[index
]);
325 if (target
== GL_VERTEX_PROGRAM_ARB
326 && ctx
->Extensions
.ARB_vertex_program
) {
327 if (index
>= ctx
->Const
.MaxVertexProgramEnvParams
) {
328 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetProgramEnvParameter(index)");
331 COPY_4V(params
, ctx
->VertexProgram
.Parameters
[index
]);
334 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetProgramEnvParameter(target)");
341 * Note, this function is also used by the GL_NV_fragment_program extension.
344 _mesa_ProgramLocalParameter4fARB(GLenum target
, GLuint index
,
345 GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
)
347 GET_CURRENT_CONTEXT(ctx
);
348 struct program
*prog
;
349 ASSERT_OUTSIDE_BEGIN_END(ctx
);
351 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
353 if ((target
== GL_FRAGMENT_PROGRAM_NV
354 && ctx
->Extensions
.NV_fragment_program
) ||
355 (target
== GL_FRAGMENT_PROGRAM_ARB
356 && ctx
->Extensions
.ARB_fragment_program
)) {
357 if (index
>= ctx
->Const
.MaxFragmentProgramLocalParams
) {
358 _mesa_error(ctx
, GL_INVALID_VALUE
, "glProgramLocalParameterARB");
361 prog
= &(ctx
->FragmentProgram
.Current
->Base
);
363 else if (target
== GL_VERTEX_PROGRAM_ARB
364 && ctx
->Extensions
.ARB_vertex_program
) {
365 if (index
>= ctx
->Const
.MaxVertexProgramLocalParams
) {
366 _mesa_error(ctx
, GL_INVALID_VALUE
, "glProgramLocalParameterARB");
369 prog
= &(ctx
->VertexProgram
.Current
->Base
);
372 _mesa_error(ctx
, GL_INVALID_ENUM
, "glProgramLocalParameterARB");
376 ASSERT(index
< MAX_PROGRAM_LOCAL_PARAMS
);
377 prog
->LocalParams
[index
][0] = x
;
378 prog
->LocalParams
[index
][1] = y
;
379 prog
->LocalParams
[index
][2] = z
;
380 prog
->LocalParams
[index
][3] = w
;
385 * Note, this function is also used by the GL_NV_fragment_program extension.
388 _mesa_ProgramLocalParameter4fvARB(GLenum target
, GLuint index
,
389 const GLfloat
*params
)
391 _mesa_ProgramLocalParameter4fARB(target
, index
, params
[0], params
[1],
392 params
[2], params
[3]);
397 * Note, this function is also used by the GL_NV_fragment_program extension.
400 _mesa_ProgramLocalParameter4dARB(GLenum target
, GLuint index
,
401 GLdouble x
, GLdouble y
,
402 GLdouble z
, GLdouble w
)
404 _mesa_ProgramLocalParameter4fARB(target
, index
, (GLfloat
) x
, (GLfloat
) y
,
405 (GLfloat
) z
, (GLfloat
) w
);
410 * Note, this function is also used by the GL_NV_fragment_program extension.
413 _mesa_ProgramLocalParameter4dvARB(GLenum target
, GLuint index
,
414 const GLdouble
*params
)
416 _mesa_ProgramLocalParameter4fARB(target
, index
,
417 (GLfloat
) params
[0], (GLfloat
) params
[1],
418 (GLfloat
) params
[2], (GLfloat
) params
[3]);
423 * Note, this function is also used by the GL_NV_fragment_program extension.
426 _mesa_GetProgramLocalParameterfvARB(GLenum target
, GLuint index
,
429 const struct program
*prog
;
431 GET_CURRENT_CONTEXT(ctx
);
432 ASSERT_OUTSIDE_BEGIN_END(ctx
);
434 if (target
== GL_VERTEX_PROGRAM_ARB
435 && ctx
->Extensions
.ARB_vertex_program
) {
436 prog
= &(ctx
->VertexProgram
.Current
->Base
);
437 maxParams
= ctx
->Const
.MaxVertexProgramLocalParams
;
439 else if (target
== GL_FRAGMENT_PROGRAM_ARB
440 && ctx
->Extensions
.ARB_fragment_program
) {
441 prog
= &(ctx
->FragmentProgram
.Current
->Base
);
442 maxParams
= ctx
->Const
.MaxFragmentProgramLocalParams
;
444 else if (target
== GL_FRAGMENT_PROGRAM_NV
445 && ctx
->Extensions
.NV_fragment_program
) {
446 prog
= &(ctx
->FragmentProgram
.Current
->Base
);
447 maxParams
= MAX_NV_FRAGMENT_PROGRAM_PARAMS
;
450 _mesa_error(ctx
, GL_INVALID_ENUM
,
451 "glGetProgramLocalParameterARB(target)");
455 if (index
>= maxParams
) {
456 _mesa_error(ctx
, GL_INVALID_VALUE
,
457 "glGetProgramLocalParameterARB(index)");
462 ASSERT(index
< MAX_PROGRAM_LOCAL_PARAMS
);
463 COPY_4V(params
, prog
->LocalParams
[index
]);
468 * Note, this function is also used by the GL_NV_fragment_program extension.
471 _mesa_GetProgramLocalParameterdvARB(GLenum target
, GLuint index
,
474 GET_CURRENT_CONTEXT(ctx
);
475 GLfloat floatParams
[4];
476 _mesa_GetProgramLocalParameterfvARB(target
, index
, floatParams
);
477 if (ctx
->ErrorValue
== GL_NO_ERROR
) {
478 COPY_4V(params
, floatParams
);
484 _mesa_GetProgramivARB(GLenum target
, GLenum pname
, GLint
*params
)
486 struct program
*prog
;
487 GET_CURRENT_CONTEXT(ctx
);
489 if (!ctx
->_CurrentProgram
)
490 ASSERT_OUTSIDE_BEGIN_END(ctx
);
492 if (target
== GL_VERTEX_PROGRAM_ARB
493 && ctx
->Extensions
.ARB_vertex_program
) {
494 prog
= &(ctx
->VertexProgram
.Current
->Base
);
496 else if (target
== GL_FRAGMENT_PROGRAM_ARB
497 && ctx
->Extensions
.ARB_fragment_program
) {
498 prog
= &(ctx
->FragmentProgram
.Current
->Base
);
501 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetProgramivARB(target)");
508 case GL_PROGRAM_LENGTH_ARB
:
509 *params
= prog
->String
? _mesa_strlen((char *) prog
->String
) : 0;
511 case GL_PROGRAM_FORMAT_ARB
:
512 *params
= prog
->Format
;
514 case GL_PROGRAM_BINDING_ARB
:
517 case GL_PROGRAM_INSTRUCTIONS_ARB
:
518 *params
= prog
->NumInstructions
;
520 case GL_MAX_PROGRAM_INSTRUCTIONS_ARB
:
521 if (target
== GL_VERTEX_PROGRAM_ARB
)
522 *params
= ctx
->Const
.MaxVertexProgramInstructions
;
524 *params
= ctx
->Const
.MaxFragmentProgramInstructions
;
526 case GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB
:
527 *params
= prog
->NumInstructions
;
529 case GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB
:
530 if (target
== GL_VERTEX_PROGRAM_ARB
)
531 *params
= ctx
->Const
.MaxVertexProgramInstructions
;
533 *params
= ctx
->Const
.MaxFragmentProgramInstructions
;
535 case GL_PROGRAM_TEMPORARIES_ARB
:
536 *params
= prog
->NumTemporaries
;
538 case GL_MAX_PROGRAM_TEMPORARIES_ARB
:
539 if (target
== GL_VERTEX_PROGRAM_ARB
)
540 *params
= ctx
->Const
.MaxVertexProgramTemps
;
542 *params
= ctx
->Const
.MaxFragmentProgramTemps
;
544 case GL_PROGRAM_NATIVE_TEMPORARIES_ARB
:
545 /* XXX same as GL_PROGRAM_TEMPORARIES_ARB? */
546 *params
= prog
->NumTemporaries
;
548 case GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB
:
549 /* XXX same as GL_MAX_PROGRAM_TEMPORARIES_ARB? */
550 if (target
== GL_VERTEX_PROGRAM_ARB
)
551 *params
= ctx
->Const
.MaxVertexProgramTemps
;
553 *params
= ctx
->Const
.MaxFragmentProgramTemps
;
555 case GL_PROGRAM_PARAMETERS_ARB
:
556 *params
= prog
->NumParameters
;
558 case GL_MAX_PROGRAM_PARAMETERS_ARB
:
559 if (target
== GL_VERTEX_PROGRAM_ARB
)
560 *params
= ctx
->Const
.MaxVertexProgramLocalParams
;
562 *params
= ctx
->Const
.MaxFragmentProgramLocalParams
;
564 case GL_PROGRAM_NATIVE_PARAMETERS_ARB
:
565 /* XXX same as GL_MAX_PROGRAM_PARAMETERS_ARB? */
566 *params
= prog
->NumParameters
;
568 case GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB
:
569 /* XXX same as GL_MAX_PROGRAM_PARAMETERS_ARB? */
570 if (target
== GL_VERTEX_PROGRAM_ARB
)
571 *params
= ctx
->Const
.MaxVertexProgramLocalParams
;
573 *params
= ctx
->Const
.MaxFragmentProgramLocalParams
;
575 case GL_PROGRAM_ATTRIBS_ARB
:
576 *params
= prog
->NumAttributes
;
578 case GL_MAX_PROGRAM_ATTRIBS_ARB
:
579 if (target
== GL_VERTEX_PROGRAM_ARB
)
580 *params
= ctx
->Const
.MaxVertexProgramAttribs
;
582 *params
= ctx
->Const
.MaxFragmentProgramAttribs
;
584 case GL_PROGRAM_NATIVE_ATTRIBS_ARB
:
585 /* XXX same as GL_PROGRAM_ATTRIBS_ARB? */
586 *params
= prog
->NumAttributes
;
588 case GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB
:
589 /* XXX same as GL_MAX_PROGRAM_ATTRIBS_ARB? */
590 if (target
== GL_VERTEX_PROGRAM_ARB
)
591 *params
= ctx
->Const
.MaxVertexProgramAttribs
;
593 *params
= ctx
->Const
.MaxFragmentProgramAttribs
;
595 case GL_PROGRAM_ADDRESS_REGISTERS_ARB
:
596 *params
= prog
->NumAddressRegs
;
598 case GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB
:
599 if (target
== GL_VERTEX_PROGRAM_ARB
)
600 *params
= ctx
->Const
.MaxVertexProgramAddressRegs
;
602 *params
= ctx
->Const
.MaxFragmentProgramAddressRegs
;
604 case GL_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB
:
605 /* XXX same as GL_PROGRAM_ADDRESS_REGISTERS_ARB? */
606 *params
= prog
->NumAddressRegs
;
608 case GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB
:
609 /* XXX same as GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB? */
610 if (target
== GL_VERTEX_PROGRAM_ARB
)
611 *params
= ctx
->Const
.MaxVertexProgramAddressRegs
;
613 *params
= ctx
->Const
.MaxFragmentProgramAddressRegs
;
615 case GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB
:
616 if (target
== GL_VERTEX_PROGRAM_ARB
)
617 *params
= ctx
->Const
.MaxVertexProgramLocalParams
;
619 *params
= ctx
->Const
.MaxFragmentProgramLocalParams
;
621 case GL_MAX_PROGRAM_ENV_PARAMETERS_ARB
:
622 if (target
== GL_VERTEX_PROGRAM_ARB
)
623 *params
= ctx
->Const
.MaxVertexProgramEnvParams
;
625 *params
= ctx
->Const
.MaxFragmentProgramEnvParams
;
627 case GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB
:
628 if (ctx
->Driver
.IsProgramNative
)
629 *params
= ctx
->Driver
.IsProgramNative( ctx
, target
, prog
);
635 * The following apply to fragment programs only.
637 case GL_PROGRAM_ALU_INSTRUCTIONS_ARB
:
638 case GL_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB
:
639 if (target
!= GL_FRAGMENT_PROGRAM_ARB
) {
640 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetProgramivARB(target)");
643 *params
= ctx
->FragmentProgram
.Current
->NumAluInstructions
;
645 case GL_PROGRAM_TEX_INSTRUCTIONS_ARB
:
646 case GL_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB
:
647 if (target
!= GL_FRAGMENT_PROGRAM_ARB
) {
648 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetProgramivARB(target)");
651 *params
= ctx
->FragmentProgram
.Current
->NumTexInstructions
;
653 case GL_PROGRAM_TEX_INDIRECTIONS_ARB
:
654 case GL_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB
:
655 if (target
!= GL_FRAGMENT_PROGRAM_ARB
) {
656 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetProgramivARB(target)");
659 *params
= ctx
->FragmentProgram
.Current
->NumTexIndirections
;
661 case GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB
:
662 case GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB
:
663 if (target
!= GL_FRAGMENT_PROGRAM_ARB
) {
664 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetProgramivARB(target)");
667 *params
= ctx
->Const
.MaxFragmentProgramAluInstructions
;
669 case GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB
:
670 case GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB
:
671 if (target
!= GL_FRAGMENT_PROGRAM_ARB
) {
672 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetProgramivARB(target)");
675 *params
= ctx
->Const
.MaxFragmentProgramTexInstructions
;
677 case GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB
:
678 case GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB
:
679 if (target
!= GL_FRAGMENT_PROGRAM_ARB
) {
680 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetProgramivARB(target)");
683 *params
= ctx
->Const
.MaxFragmentProgramTexIndirections
;
686 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetProgramivARB(pname)");
693 _mesa_GetProgramStringARB(GLenum target
, GLenum pname
, GLvoid
*string
)
695 struct program
*prog
;
696 GET_CURRENT_CONTEXT(ctx
);
698 if (!ctx
->_CurrentProgram
)
699 ASSERT_OUTSIDE_BEGIN_END(ctx
);
701 if (target
== GL_VERTEX_PROGRAM_ARB
) {
702 prog
= &(ctx
->VertexProgram
.Current
->Base
);
704 else if (target
== GL_FRAGMENT_PROGRAM_ARB
) {
705 prog
= &(ctx
->FragmentProgram
.Current
->Base
);
708 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetProgramStringARB(target)");
714 if (pname
!= GL_PROGRAM_STRING_ARB
) {
715 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetProgramStringARB(pname)");
719 MEMCPY(string
, prog
->String
, _mesa_strlen((char *) prog
->String
));