2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 #include "bufferobj.h"
36 #include "mfeatures.h"
40 #include "main/dispatch.h"
43 /** Used to do error checking for GL_EXT_vertex_array_bgra */
47 /** Used to indicate which GL datatypes are accepted by each of the
48 * glVertex/Color/Attrib/EtcPointer() functions.
52 #define UNSIGNED_BYTE_BIT 0x4
54 #define UNSIGNED_SHORT_BIT 0x10
56 #define UNSIGNED_INT_BIT 0x40
58 #define FLOAT_BIT 0x100
59 #define DOUBLE_BIT 0x200
60 #define FIXED_ES_BIT 0x400
61 #define FIXED_GL_BIT 0x800
62 #define UNSIGNED_INT_2_10_10_10_REV_BIT 0x1000
63 #define INT_2_10_10_10_REV_BIT 0x2000
66 /** Convert GL datatype enum into a <type>_BIT value seen above */
68 type_to_bit(const struct gl_context
*ctx
, GLenum type
)
75 case GL_UNSIGNED_BYTE
:
76 return UNSIGNED_BYTE_BIT
;
79 case GL_UNSIGNED_SHORT
:
80 return UNSIGNED_SHORT_BIT
;
84 return UNSIGNED_INT_BIT
;
86 if (ctx
->Extensions
.ARB_half_float_vertex
)
95 return ctx
->API
== API_OPENGL
? FIXED_GL_BIT
: FIXED_ES_BIT
;
96 case GL_UNSIGNED_INT_2_10_10_10_REV
:
97 return UNSIGNED_INT_2_10_10_10_REV_BIT
;
98 case GL_INT_2_10_10_10_REV
:
99 return INT_2_10_10_10_REV_BIT
;
107 * Do error checking and update state for glVertex/Color/TexCoord/...Pointer
110 * \param func name of calling function used for error reporting
111 * \param attrib the attribute array index to update
112 * \param legalTypes bitmask of *_BIT above indicating legal datatypes
113 * \param sizeMin min allowable size value
114 * \param sizeMax max allowable size value (may also be BGRA_OR_4)
115 * \param size components per element (1, 2, 3 or 4)
116 * \param type datatype of each component (GL_FLOAT, GL_INT, etc)
117 * \param stride stride between elements, in elements
118 * \param normalized are integer types converted to floats in [-1, 1]?
119 * \param integer integer-valued values (will not be normalized to [-1,1])
120 * \param ptr the address (or offset inside VBO) of the array data
123 update_array(struct gl_context
*ctx
,
125 GLuint attrib
, GLbitfield legalTypesMask
,
126 GLint sizeMin
, GLint sizeMax
,
127 GLint size
, GLenum type
, GLsizei stride
,
128 GLboolean normalized
, GLboolean integer
,
131 struct gl_client_array
*array
;
134 GLenum format
= GL_RGBA
;
136 if (ctx
->API
!= API_OPENGLES
&& ctx
->API
!= API_OPENGLES2
) {
137 /* fixed point arrays / data is only allowed with OpenGL ES 1.x/2.0 */
138 legalTypesMask
&= ~FIXED_ES_BIT
;
140 if (!ctx
->Extensions
.ARB_ES2_compatibility
) {
141 legalTypesMask
&= ~FIXED_GL_BIT
;
143 if (!ctx
->Extensions
.ARB_vertex_type_2_10_10_10_rev
) {
144 legalTypesMask
&= ~(UNSIGNED_INT_2_10_10_10_REV_BIT
|
145 INT_2_10_10_10_REV_BIT
);
148 typeBit
= type_to_bit(ctx
, type
);
149 if (typeBit
== 0x0 || (typeBit
& legalTypesMask
) == 0x0) {
150 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(type = %s)",
151 func
, _mesa_lookup_enum_by_nr(type
));
155 /* Do size parameter checking.
156 * If sizeMax = BGRA_OR_4 it means that size = GL_BGRA is legal and
157 * must be handled specially.
159 if (ctx
->Extensions
.EXT_vertex_array_bgra
&&
160 sizeMax
== BGRA_OR_4
&&
162 GLboolean bgra_error
= GL_FALSE
;
164 if (ctx
->Extensions
.ARB_vertex_type_2_10_10_10_rev
) {
165 if (type
!= GL_UNSIGNED_INT_2_10_10_10_REV
&&
166 type
!= GL_INT_2_10_10_10_REV
&&
167 type
!= GL_UNSIGNED_BYTE
)
168 bgra_error
= GL_TRUE
;
169 } else if (type
!= GL_UNSIGNED_BYTE
)
170 bgra_error
= GL_TRUE
;
173 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(GL_BGRA/GLubyte)", func
);
179 else if (size
< sizeMin
|| size
> sizeMax
|| size
> 4) {
180 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d)", func
, size
);
184 if (ctx
->Extensions
.ARB_vertex_type_2_10_10_10_rev
&&
185 (type
== GL_UNSIGNED_INT_2_10_10_10_REV
||
186 type
== GL_INT_2_10_10_10_REV
) && size
!= 4) {
187 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(size=%d)", func
, size
);
194 _mesa_error( ctx
, GL_INVALID_VALUE
, "%s(stride=%d)", func
, stride
);
198 if (ctx
->Array
.ArrayObj
->ARBsemantics
&&
199 !_mesa_is_bufferobj(ctx
->Array
.ArrayBufferObj
)) {
200 /* GL_ARB_vertex_array_object requires that all arrays reside in VBOs.
201 * Generate GL_INVALID_OPERATION if that's not true.
203 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(non-VBO array)", func
);
207 elementSize
= _mesa_sizeof_type(type
) * size
;
209 array
= &ctx
->Array
.ArrayObj
->VertexAttrib
[attrib
];
212 array
->Format
= format
;
213 array
->Stride
= stride
;
214 array
->StrideB
= stride
? stride
: elementSize
;
215 array
->Normalized
= normalized
;
216 array
->Integer
= integer
;
217 array
->Ptr
= (const GLubyte
*) ptr
;
218 array
->_ElementSize
= elementSize
;
220 _mesa_reference_buffer_object(ctx
, &array
->BufferObj
,
221 ctx
->Array
.ArrayBufferObj
);
223 ctx
->NewState
|= _NEW_ARRAY
;
224 ctx
->Array
.ArrayObj
->NewArrays
|= VERT_BIT(attrib
);
229 _mesa_VertexPointer(GLint size
, GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
231 GLbitfield legalTypes
= (SHORT_BIT
| INT_BIT
| FLOAT_BIT
|
232 DOUBLE_BIT
| HALF_BIT
| FIXED_ES_BIT
|
233 UNSIGNED_INT_2_10_10_10_REV_BIT
|
234 INT_2_10_10_10_REV_BIT
);
235 GET_CURRENT_CONTEXT(ctx
);
236 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
238 if (ctx
->API
== API_OPENGLES
)
239 legalTypes
|= BYTE_BIT
;
241 update_array(ctx
, "glVertexPointer", VERT_ATTRIB_POS
,
243 size
, type
, stride
, GL_FALSE
, GL_FALSE
, ptr
);
248 _mesa_NormalPointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
250 const GLbitfield legalTypes
= (BYTE_BIT
| SHORT_BIT
| INT_BIT
|
251 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
253 UNSIGNED_INT_2_10_10_10_REV_BIT
|
254 INT_2_10_10_10_REV_BIT
);
255 GET_CURRENT_CONTEXT(ctx
);
256 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
258 update_array(ctx
, "glNormalPointer", VERT_ATTRIB_NORMAL
,
260 3, type
, stride
, GL_TRUE
, GL_FALSE
, ptr
);
265 _mesa_ColorPointer(GLint size
, GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
267 const GLbitfield legalTypes
= (BYTE_BIT
| UNSIGNED_BYTE_BIT
|
268 SHORT_BIT
| UNSIGNED_SHORT_BIT
|
269 INT_BIT
| UNSIGNED_INT_BIT
|
270 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
272 UNSIGNED_INT_2_10_10_10_REV_BIT
|
273 INT_2_10_10_10_REV_BIT
);
274 GET_CURRENT_CONTEXT(ctx
);
275 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
277 update_array(ctx
, "glColorPointer", VERT_ATTRIB_COLOR0
,
278 legalTypes
, 3, BGRA_OR_4
,
279 size
, type
, stride
, GL_TRUE
, GL_FALSE
, ptr
);
284 _mesa_FogCoordPointerEXT(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
286 const GLbitfield legalTypes
= (HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
);
287 GET_CURRENT_CONTEXT(ctx
);
288 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
290 update_array(ctx
, "glFogCoordPointer", VERT_ATTRIB_FOG
,
292 1, type
, stride
, GL_FALSE
, GL_FALSE
, ptr
);
297 _mesa_IndexPointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
299 const GLbitfield legalTypes
= (UNSIGNED_BYTE_BIT
| SHORT_BIT
| INT_BIT
|
300 FLOAT_BIT
| DOUBLE_BIT
);
301 GET_CURRENT_CONTEXT(ctx
);
302 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
304 update_array(ctx
, "glIndexPointer", VERT_ATTRIB_COLOR_INDEX
,
306 1, type
, stride
, GL_FALSE
, GL_FALSE
, ptr
);
311 _mesa_SecondaryColorPointerEXT(GLint size
, GLenum type
,
312 GLsizei stride
, const GLvoid
*ptr
)
314 const GLbitfield legalTypes
= (BYTE_BIT
| UNSIGNED_BYTE_BIT
|
315 SHORT_BIT
| UNSIGNED_SHORT_BIT
|
316 INT_BIT
| UNSIGNED_INT_BIT
|
317 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
318 UNSIGNED_INT_2_10_10_10_REV_BIT
|
319 INT_2_10_10_10_REV_BIT
);
320 GET_CURRENT_CONTEXT(ctx
);
321 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
323 update_array(ctx
, "glSecondaryColorPointer", VERT_ATTRIB_COLOR1
,
324 legalTypes
, 3, BGRA_OR_4
,
325 size
, type
, stride
, GL_TRUE
, GL_FALSE
, ptr
);
330 _mesa_TexCoordPointer(GLint size
, GLenum type
, GLsizei stride
,
333 GLbitfield legalTypes
= (SHORT_BIT
| INT_BIT
|
334 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
336 UNSIGNED_INT_2_10_10_10_REV_BIT
|
337 INT_2_10_10_10_REV_BIT
);
338 GET_CURRENT_CONTEXT(ctx
);
339 const GLuint unit
= ctx
->Array
.ActiveTexture
;
340 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
342 if (ctx
->API
== API_OPENGLES
)
343 legalTypes
|= BYTE_BIT
;
345 update_array(ctx
, "glTexCoordPointer", VERT_ATTRIB_TEX(unit
),
347 size
, type
, stride
, GL_FALSE
, GL_FALSE
,
353 _mesa_EdgeFlagPointer(GLsizei stride
, const GLvoid
*ptr
)
355 const GLbitfield legalTypes
= UNSIGNED_BYTE_BIT
;
356 /* see table 2.4 edits in GL_EXT_gpu_shader4 spec: */
357 const GLboolean integer
= GL_TRUE
;
358 GET_CURRENT_CONTEXT(ctx
);
359 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
361 update_array(ctx
, "glEdgeFlagPointer", VERT_ATTRIB_EDGEFLAG
,
363 1, GL_UNSIGNED_BYTE
, stride
, GL_FALSE
, integer
, ptr
);
368 _mesa_PointSizePointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
370 const GLbitfield legalTypes
= (FLOAT_BIT
| FIXED_ES_BIT
);
371 GET_CURRENT_CONTEXT(ctx
);
372 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
374 if (ctx
->API
!= API_OPENGLES
) {
375 _mesa_error(ctx
, GL_INVALID_OPERATION
,
376 "glPointSizePointer(ES 1.x only)");
380 update_array(ctx
, "glPointSizePointer", VERT_ATTRIB_POINT_SIZE
,
382 1, type
, stride
, GL_FALSE
, GL_FALSE
, ptr
);
386 #if FEATURE_NV_vertex_program
388 * Set a vertex attribute array.
389 * Note that these arrays DO alias the conventional GL vertex arrays
390 * (position, normal, color, fog, texcoord, etc).
391 * The generic attribute slots at #16 and above are not touched.
394 _mesa_VertexAttribPointerNV(GLuint index
, GLint size
, GLenum type
,
395 GLsizei stride
, const GLvoid
*ptr
)
397 const GLbitfield legalTypes
= (UNSIGNED_BYTE_BIT
| SHORT_BIT
|
398 FLOAT_BIT
| DOUBLE_BIT
);
399 GLboolean normalized
= GL_FALSE
;
400 GET_CURRENT_CONTEXT(ctx
);
401 ASSERT_OUTSIDE_BEGIN_END(ctx
);
403 if (index
>= MAX_NV_VERTEX_PROGRAM_INPUTS
) {
404 _mesa_error(ctx
, GL_INVALID_VALUE
, "glVertexAttribPointerNV(index)");
408 if (type
== GL_UNSIGNED_BYTE
&& size
!= 4) {
409 _mesa_error(ctx
, GL_INVALID_VALUE
, "glVertexAttribPointerNV(size!=4)");
413 update_array(ctx
, "glVertexAttribPointerNV", VERT_ATTRIB_GENERIC(index
),
414 legalTypes
, 1, BGRA_OR_4
,
415 size
, type
, stride
, normalized
, GL_FALSE
, ptr
);
420 #if FEATURE_ARB_vertex_program
422 * Set a generic vertex attribute array.
423 * Note that these arrays DO NOT alias the conventional GL vertex arrays
424 * (position, normal, color, fog, texcoord, etc).
427 _mesa_VertexAttribPointerARB(GLuint index
, GLint size
, GLenum type
,
428 GLboolean normalized
,
429 GLsizei stride
, const GLvoid
*ptr
)
431 const GLbitfield legalTypes
= (BYTE_BIT
| UNSIGNED_BYTE_BIT
|
432 SHORT_BIT
| UNSIGNED_SHORT_BIT
|
433 INT_BIT
| UNSIGNED_INT_BIT
|
434 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
435 FIXED_ES_BIT
| FIXED_GL_BIT
|
436 UNSIGNED_INT_2_10_10_10_REV_BIT
|
437 INT_2_10_10_10_REV_BIT
);
438 GET_CURRENT_CONTEXT(ctx
);
439 ASSERT_OUTSIDE_BEGIN_END(ctx
);
441 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
442 _mesa_error(ctx
, GL_INVALID_VALUE
, "glVertexAttribPointerARB(index)");
446 update_array(ctx
, "glVertexAttribPointer", VERT_ATTRIB_GENERIC(index
),
447 legalTypes
, 1, BGRA_OR_4
,
448 size
, type
, stride
, normalized
, GL_FALSE
, ptr
);
454 * GL_EXT_gpu_shader4 / GL 3.0.
455 * Set an integer-valued vertex attribute array.
456 * Note that these arrays DO NOT alias the conventional GL vertex arrays
457 * (position, normal, color, fog, texcoord, etc).
460 _mesa_VertexAttribIPointer(GLuint index
, GLint size
, GLenum type
,
461 GLsizei stride
, const GLvoid
*ptr
)
463 const GLbitfield legalTypes
= (BYTE_BIT
| UNSIGNED_BYTE_BIT
|
464 SHORT_BIT
| UNSIGNED_SHORT_BIT
|
465 INT_BIT
| UNSIGNED_INT_BIT
);
466 const GLboolean normalized
= GL_FALSE
;
467 const GLboolean integer
= GL_TRUE
;
468 GET_CURRENT_CONTEXT(ctx
);
469 ASSERT_OUTSIDE_BEGIN_END(ctx
);
471 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
472 _mesa_error(ctx
, GL_INVALID_VALUE
, "glVertexAttribIPointer(index)");
476 update_array(ctx
, "glVertexAttribIPointer", VERT_ATTRIB_GENERIC(index
),
478 size
, type
, stride
, normalized
, integer
, ptr
);
484 _mesa_EnableVertexAttribArrayARB(GLuint index
)
486 struct gl_array_object
*arrayObj
;
487 GET_CURRENT_CONTEXT(ctx
);
488 ASSERT_OUTSIDE_BEGIN_END(ctx
);
490 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
491 _mesa_error(ctx
, GL_INVALID_VALUE
,
492 "glEnableVertexAttribArrayARB(index)");
496 arrayObj
= ctx
->Array
.ArrayObj
;
498 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(arrayObj
->VertexAttrib
));
500 if (!arrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].Enabled
) {
501 /* was disabled, now being enabled */
502 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
503 arrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].Enabled
= GL_TRUE
;
504 arrayObj
->_Enabled
|= VERT_BIT_GENERIC(index
);
505 arrayObj
->NewArrays
|= VERT_BIT_GENERIC(index
);
511 _mesa_DisableVertexAttribArrayARB(GLuint index
)
513 struct gl_array_object
*arrayObj
;
514 GET_CURRENT_CONTEXT(ctx
);
515 ASSERT_OUTSIDE_BEGIN_END(ctx
);
517 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
518 _mesa_error(ctx
, GL_INVALID_VALUE
,
519 "glDisableVertexAttribArrayARB(index)");
523 arrayObj
= ctx
->Array
.ArrayObj
;
525 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(arrayObj
->VertexAttrib
));
527 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].Enabled
) {
528 /* was enabled, now being disabled */
529 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
530 arrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].Enabled
= GL_FALSE
;
531 arrayObj
->_Enabled
&= ~VERT_BIT_GENERIC(index
);
532 arrayObj
->NewArrays
|= VERT_BIT_GENERIC(index
);
538 * Return info for a vertex attribute array (no alias with legacy
539 * vertex attributes (pos, normal, color, etc)). This function does
540 * not handle the 4-element GL_CURRENT_VERTEX_ATTRIB_ARB query.
543 get_vertex_array_attrib(struct gl_context
*ctx
, GLuint index
, GLenum pname
,
546 const struct gl_client_array
*array
;
548 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
549 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(index=%u)", caller
, index
);
553 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(ctx
->Array
.ArrayObj
->VertexAttrib
));
555 array
= &ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)];
558 case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB
:
559 return array
->Enabled
;
560 case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB
:
562 case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB
:
563 return array
->Stride
;
564 case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB
:
566 case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB
:
567 return array
->Normalized
;
568 case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB
:
569 return array
->BufferObj
->Name
;
570 case GL_VERTEX_ATTRIB_ARRAY_INTEGER
:
571 if (ctx
->VersionMajor
>= 3 || ctx
->Extensions
.EXT_gpu_shader4
) {
572 return array
->Integer
;
575 case GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB
:
576 if (ctx
->Extensions
.ARB_instanced_arrays
) {
577 return array
->InstanceDivisor
;
585 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(pname=0x%x)", caller
, pname
);
590 static const GLfloat
*
591 get_current_attrib(struct gl_context
*ctx
, GLuint index
, const char *function
)
594 if (ctx
->API
!= API_OPENGLES2
) {
595 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(index==0)", function
);
599 else if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
600 _mesa_error(ctx
, GL_INVALID_VALUE
,
601 "%s(index>=GL_MAX_VERTEX_ATTRIBS)", function
);
605 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(ctx
->Array
.ArrayObj
->VertexAttrib
));
607 FLUSH_CURRENT(ctx
, 0);
608 return ctx
->Current
.Attrib
[VERT_ATTRIB_GENERIC(index
)];
612 _mesa_GetVertexAttribfvARB(GLuint index
, GLenum pname
, GLfloat
*params
)
614 GET_CURRENT_CONTEXT(ctx
);
615 ASSERT_OUTSIDE_BEGIN_END(ctx
);
617 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
618 const GLfloat
*v
= get_current_attrib(ctx
, index
, "glGetVertexAttribfv");
624 params
[0] = (GLfloat
) get_vertex_array_attrib(ctx
, index
, pname
,
625 "glGetVertexAttribfv");
631 _mesa_GetVertexAttribdvARB(GLuint index
, GLenum pname
, GLdouble
*params
)
633 GET_CURRENT_CONTEXT(ctx
);
634 ASSERT_OUTSIDE_BEGIN_END(ctx
);
636 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
637 const GLfloat
*v
= get_current_attrib(ctx
, index
, "glGetVertexAttribdv");
639 params
[0] = (GLdouble
) v
[0];
640 params
[1] = (GLdouble
) v
[1];
641 params
[2] = (GLdouble
) v
[2];
642 params
[3] = (GLdouble
) v
[3];
646 params
[0] = (GLdouble
) get_vertex_array_attrib(ctx
, index
, pname
,
647 "glGetVertexAttribdv");
653 _mesa_GetVertexAttribivARB(GLuint index
, GLenum pname
, GLint
*params
)
655 GET_CURRENT_CONTEXT(ctx
);
656 ASSERT_OUTSIDE_BEGIN_END(ctx
);
658 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
659 const GLfloat
*v
= get_current_attrib(ctx
, index
, "glGetVertexAttribiv");
661 /* XXX should floats in[0,1] be scaled to full int range? */
662 params
[0] = (GLint
) v
[0];
663 params
[1] = (GLint
) v
[1];
664 params
[2] = (GLint
) v
[2];
665 params
[3] = (GLint
) v
[3];
669 params
[0] = (GLint
) get_vertex_array_attrib(ctx
, index
, pname
,
670 "glGetVertexAttribiv");
677 _mesa_GetVertexAttribIiv(GLuint index
, GLenum pname
, GLint
*params
)
679 GET_CURRENT_CONTEXT(ctx
);
680 ASSERT_OUTSIDE_BEGIN_END(ctx
);
682 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
684 get_current_attrib(ctx
, index
, "glGetVertexAttribIiv");
686 /* XXX we don't have true integer-valued vertex attribs yet */
687 params
[0] = (GLint
) v
[0];
688 params
[1] = (GLint
) v
[1];
689 params
[2] = (GLint
) v
[2];
690 params
[3] = (GLint
) v
[3];
694 params
[0] = (GLint
) get_vertex_array_attrib(ctx
, index
, pname
,
695 "glGetVertexAttribIiv");
702 _mesa_GetVertexAttribIuiv(GLuint index
, GLenum pname
, GLuint
*params
)
704 GET_CURRENT_CONTEXT(ctx
);
705 ASSERT_OUTSIDE_BEGIN_END(ctx
);
707 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
709 get_current_attrib(ctx
, index
, "glGetVertexAttribIuiv");
711 /* XXX we don't have true integer-valued vertex attribs yet */
712 params
[0] = (GLuint
) v
[0];
713 params
[1] = (GLuint
) v
[1];
714 params
[2] = (GLuint
) v
[2];
715 params
[3] = (GLuint
) v
[3];
719 params
[0] = get_vertex_array_attrib(ctx
, index
, pname
,
720 "glGetVertexAttribIuiv");
726 _mesa_GetVertexAttribPointervARB(GLuint index
, GLenum pname
, GLvoid
**pointer
)
728 GET_CURRENT_CONTEXT(ctx
);
729 ASSERT_OUTSIDE_BEGIN_END(ctx
);
731 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
732 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetVertexAttribPointerARB(index)");
736 if (pname
!= GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB
) {
737 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetVertexAttribPointerARB(pname)");
741 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(ctx
->Array
.ArrayObj
->VertexAttrib
));
743 *pointer
= (GLvoid
*) ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].Ptr
;
748 _mesa_VertexPointerEXT(GLint size
, GLenum type
, GLsizei stride
,
749 GLsizei count
, const GLvoid
*ptr
)
752 _mesa_VertexPointer(size
, type
, stride
, ptr
);
757 _mesa_NormalPointerEXT(GLenum type
, GLsizei stride
, GLsizei count
,
761 _mesa_NormalPointer(type
, stride
, ptr
);
766 _mesa_ColorPointerEXT(GLint size
, GLenum type
, GLsizei stride
, GLsizei count
,
770 _mesa_ColorPointer(size
, type
, stride
, ptr
);
775 _mesa_IndexPointerEXT(GLenum type
, GLsizei stride
, GLsizei count
,
779 _mesa_IndexPointer(type
, stride
, ptr
);
784 _mesa_TexCoordPointerEXT(GLint size
, GLenum type
, GLsizei stride
,
785 GLsizei count
, const GLvoid
*ptr
)
788 _mesa_TexCoordPointer(size
, type
, stride
, ptr
);
793 _mesa_EdgeFlagPointerEXT(GLsizei stride
, GLsizei count
, const GLboolean
*ptr
)
796 _mesa_EdgeFlagPointer(stride
, ptr
);
801 _mesa_InterleavedArrays(GLenum format
, GLsizei stride
, const GLvoid
*pointer
)
803 GET_CURRENT_CONTEXT(ctx
);
804 GLboolean tflag
, cflag
, nflag
; /* enable/disable flags */
805 GLint tcomps
, ccomps
, vcomps
; /* components per texcoord, color, vertex */
806 GLenum ctype
= 0; /* color type */
807 GLint coffset
= 0, noffset
= 0, voffset
;/* color, normal, vertex offsets */
808 const GLint toffset
= 0; /* always zero */
809 GLint defstride
; /* default stride */
812 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
815 c
= f
* ((4 * sizeof(GLubyte
) + (f
- 1)) / f
);
818 _mesa_error( ctx
, GL_INVALID_VALUE
, "glInterleavedArrays(stride)" );
824 tflag
= GL_FALSE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
825 tcomps
= 0; ccomps
= 0; vcomps
= 2;
830 tflag
= GL_FALSE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
831 tcomps
= 0; ccomps
= 0; vcomps
= 3;
836 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
837 tcomps
= 0; ccomps
= 4; vcomps
= 2;
838 ctype
= GL_UNSIGNED_BYTE
;
844 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
845 tcomps
= 0; ccomps
= 4; vcomps
= 3;
846 ctype
= GL_UNSIGNED_BYTE
;
852 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
853 tcomps
= 0; ccomps
= 3; vcomps
= 3;
860 tflag
= GL_FALSE
; cflag
= GL_FALSE
; nflag
= GL_TRUE
;
861 tcomps
= 0; ccomps
= 0; vcomps
= 3;
867 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_TRUE
;
868 tcomps
= 0; ccomps
= 4; vcomps
= 3;
876 tflag
= GL_TRUE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
877 tcomps
= 2; ccomps
= 0; vcomps
= 3;
882 tflag
= GL_TRUE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
883 tcomps
= 4; ccomps
= 0; vcomps
= 4;
887 case GL_T2F_C4UB_V3F
:
888 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
889 tcomps
= 2; ccomps
= 4; vcomps
= 3;
890 ctype
= GL_UNSIGNED_BYTE
;
896 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
897 tcomps
= 2; ccomps
= 3; vcomps
= 3;
904 tflag
= GL_TRUE
; cflag
= GL_FALSE
; nflag
= GL_TRUE
;
905 tcomps
= 2; ccomps
= 0; vcomps
= 3;
910 case GL_T2F_C4F_N3F_V3F
:
911 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_TRUE
;
912 tcomps
= 2; ccomps
= 4; vcomps
= 3;
919 case GL_T4F_C4F_N3F_V4F
:
920 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_TRUE
;
921 tcomps
= 4; ccomps
= 4; vcomps
= 4;
929 _mesa_error( ctx
, GL_INVALID_ENUM
, "glInterleavedArrays(format)" );
937 _mesa_DisableClientState( GL_EDGE_FLAG_ARRAY
);
938 _mesa_DisableClientState( GL_INDEX_ARRAY
);
939 /* XXX also disable secondary color and generic arrays? */
943 _mesa_EnableClientState( GL_TEXTURE_COORD_ARRAY
);
944 _mesa_TexCoordPointer( tcomps
, GL_FLOAT
, stride
,
945 (GLubyte
*) pointer
+ toffset
);
948 _mesa_DisableClientState( GL_TEXTURE_COORD_ARRAY
);
953 _mesa_EnableClientState( GL_COLOR_ARRAY
);
954 _mesa_ColorPointer( ccomps
, ctype
, stride
,
955 (GLubyte
*) pointer
+ coffset
);
958 _mesa_DisableClientState( GL_COLOR_ARRAY
);
964 _mesa_EnableClientState( GL_NORMAL_ARRAY
);
965 _mesa_NormalPointer( GL_FLOAT
, stride
, (GLubyte
*) pointer
+ noffset
);
968 _mesa_DisableClientState( GL_NORMAL_ARRAY
);
972 _mesa_EnableClientState( GL_VERTEX_ARRAY
);
973 _mesa_VertexPointer( vcomps
, GL_FLOAT
, stride
,
974 (GLubyte
*) pointer
+ voffset
);
979 _mesa_LockArraysEXT(GLint first
, GLsizei count
)
981 GET_CURRENT_CONTEXT(ctx
);
982 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
984 if (MESA_VERBOSE
& VERBOSE_API
)
985 _mesa_debug(ctx
, "glLockArrays %d %d\n", first
, count
);
988 _mesa_error( ctx
, GL_INVALID_VALUE
, "glLockArraysEXT(first)" );
992 _mesa_error( ctx
, GL_INVALID_VALUE
, "glLockArraysEXT(count)" );
995 if (ctx
->Array
.LockCount
!= 0) {
996 _mesa_error( ctx
, GL_INVALID_OPERATION
, "glLockArraysEXT(reentry)" );
1000 ctx
->Array
.LockFirst
= first
;
1001 ctx
->Array
.LockCount
= count
;
1003 ctx
->NewState
|= _NEW_ARRAY
;
1008 _mesa_UnlockArraysEXT( void )
1010 GET_CURRENT_CONTEXT(ctx
);
1011 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
1013 if (MESA_VERBOSE
& VERBOSE_API
)
1014 _mesa_debug(ctx
, "glUnlockArrays\n");
1016 if (ctx
->Array
.LockCount
== 0) {
1017 _mesa_error( ctx
, GL_INVALID_OPERATION
, "glUnlockArraysEXT(reexit)" );
1021 ctx
->Array
.LockFirst
= 0;
1022 ctx
->Array
.LockCount
= 0;
1023 ctx
->NewState
|= _NEW_ARRAY
;
1027 /* GL_EXT_multi_draw_arrays */
1029 _mesa_MultiDrawArraysEXT( GLenum mode
, const GLint
*first
,
1030 const GLsizei
*count
, GLsizei primcount
)
1032 GET_CURRENT_CONTEXT(ctx
);
1035 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
1037 for (i
= 0; i
< primcount
; i
++) {
1039 CALL_DrawArrays(ctx
->Exec
, (mode
, first
[i
], count
[i
]));
1045 /* GL_IBM_multimode_draw_arrays */
1047 _mesa_MultiModeDrawArraysIBM( const GLenum
* mode
, const GLint
* first
,
1048 const GLsizei
* count
,
1049 GLsizei primcount
, GLint modestride
)
1051 GET_CURRENT_CONTEXT(ctx
);
1054 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
1056 for ( i
= 0 ; i
< primcount
; i
++ ) {
1057 if ( count
[i
] > 0 ) {
1058 GLenum m
= *((GLenum
*) ((GLubyte
*) mode
+ i
* modestride
));
1059 CALL_DrawArrays(ctx
->Exec
, ( m
, first
[i
], count
[i
] ));
1065 /* GL_IBM_multimode_draw_arrays */
1067 _mesa_MultiModeDrawElementsIBM( const GLenum
* mode
, const GLsizei
* count
,
1068 GLenum type
, const GLvoid
* const * indices
,
1069 GLsizei primcount
, GLint modestride
)
1071 GET_CURRENT_CONTEXT(ctx
);
1074 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
1076 /* XXX not sure about ARB_vertex_buffer_object handling here */
1078 for ( i
= 0 ; i
< primcount
; i
++ ) {
1079 if ( count
[i
] > 0 ) {
1080 GLenum m
= *((GLenum
*) ((GLubyte
*) mode
+ i
* modestride
));
1081 CALL_DrawElements(ctx
->Exec
, ( m
, count
[i
], type
, indices
[i
] ));
1088 * GL_NV_primitive_restart and GL 3.1
1091 _mesa_PrimitiveRestartIndex(GLuint index
)
1093 GET_CURRENT_CONTEXT(ctx
);
1095 if (!ctx
->Extensions
.NV_primitive_restart
&&
1096 ctx
->VersionMajor
* 10 + ctx
->VersionMinor
< 31) {
1097 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPrimitiveRestartIndexNV()");
1101 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1103 if (ctx
->Array
.RestartIndex
!= index
) {
1104 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
1105 ctx
->Array
.RestartIndex
= index
;
1111 * See GL_ARB_instanced_arrays.
1112 * Note that the instance divisor only applies to generic arrays, not
1113 * the legacy vertex arrays.
1116 _mesa_VertexAttribDivisor(GLuint index
, GLuint divisor
)
1118 struct gl_client_array
*array
;
1119 GET_CURRENT_CONTEXT(ctx
);
1120 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1122 if (!ctx
->Extensions
.ARB_instanced_arrays
) {
1123 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glVertexAttribDivisor()");
1127 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
1128 _mesa_error(ctx
, GL_INVALID_ENUM
, "glVertexAttribDivisor(index = %u)",
1133 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(ctx
->Array
.ArrayObj
->VertexAttrib
));
1135 array
= &ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)];
1136 if (array
->InstanceDivisor
!= divisor
) {
1137 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
1138 array
->InstanceDivisor
= divisor
;
1139 ctx
->Array
.ArrayObj
->NewArrays
|= VERT_BIT(VERT_ATTRIB_GENERIC(index
));
1146 * Copy one client vertex array to another.
1149 _mesa_copy_client_array(struct gl_context
*ctx
,
1150 struct gl_client_array
*dst
,
1151 struct gl_client_array
*src
)
1153 dst
->Size
= src
->Size
;
1154 dst
->Type
= src
->Type
;
1155 dst
->Format
= src
->Format
;
1156 dst
->Stride
= src
->Stride
;
1157 dst
->StrideB
= src
->StrideB
;
1158 dst
->Ptr
= src
->Ptr
;
1159 dst
->Enabled
= src
->Enabled
;
1160 dst
->Normalized
= src
->Normalized
;
1161 dst
->Integer
= src
->Integer
;
1162 dst
->InstanceDivisor
= src
->InstanceDivisor
;
1163 dst
->_ElementSize
= src
->_ElementSize
;
1164 _mesa_reference_buffer_object(ctx
, &dst
->BufferObj
, src
->BufferObj
);
1165 dst
->_MaxElement
= src
->_MaxElement
;
1171 * Print vertex array's fields.
1174 print_array(const char *name
, GLint index
, const struct gl_client_array
*array
)
1177 printf(" %s[%d]: ", name
, index
);
1179 printf(" %s: ", name
);
1180 printf("Ptr=%p, Type=0x%x, Size=%d, ElemSize=%u, Stride=%d, Buffer=%u(Size %lu), MaxElem=%u\n",
1181 array
->Ptr
, array
->Type
, array
->Size
,
1182 array
->_ElementSize
, array
->StrideB
,
1183 array
->BufferObj
->Name
, (unsigned long) array
->BufferObj
->Size
,
1184 array
->_MaxElement
);
1189 * Print current vertex object/array info. For debug.
1192 _mesa_print_arrays(struct gl_context
*ctx
)
1194 struct gl_array_object
*arrayObj
= ctx
->Array
.ArrayObj
;
1197 _mesa_update_array_object_max_element(ctx
, arrayObj
);
1199 printf("Array Object %u\n", arrayObj
->Name
);
1200 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_POS
].Enabled
)
1201 print_array("Vertex", -1, &arrayObj
->VertexAttrib
[VERT_ATTRIB_POS
]);
1202 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_NORMAL
].Enabled
)
1203 print_array("Normal", -1, &arrayObj
->VertexAttrib
[VERT_ATTRIB_NORMAL
]);
1204 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_COLOR0
].Enabled
)
1205 print_array("Color", -1, &arrayObj
->VertexAttrib
[VERT_ATTRIB_COLOR0
]);
1206 for (i
= 0; i
< ctx
->Const
.MaxTextureCoordUnits
; i
++)
1207 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_TEX(i
)].Enabled
)
1208 print_array("TexCoord", i
, &arrayObj
->VertexAttrib
[VERT_ATTRIB_TEX(i
)]);
1209 for (i
= 0; i
< VERT_ATTRIB_GENERIC_MAX
; i
++)
1210 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(i
)].Enabled
)
1211 print_array("Attrib", i
, &arrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(i
)]);
1212 printf(" _MaxElement = %u\n", arrayObj
->_MaxElement
);
1217 * Initialize vertex array state for given context.
1220 _mesa_init_varray(struct gl_context
*ctx
)
1222 ctx
->Array
.DefaultArrayObj
= ctx
->Driver
.NewArrayObject(ctx
, 0);
1223 _mesa_reference_array_object(ctx
, &ctx
->Array
.ArrayObj
,
1224 ctx
->Array
.DefaultArrayObj
);
1225 ctx
->Array
.ActiveTexture
= 0; /* GL_ARB_multitexture */
1227 ctx
->Array
.Objects
= _mesa_NewHashTable();
1232 * Callback for deleting an array object. Called by _mesa_HashDeleteAll().
1235 delete_arrayobj_cb(GLuint id
, void *data
, void *userData
)
1237 struct gl_array_object
*arrayObj
= (struct gl_array_object
*) data
;
1238 struct gl_context
*ctx
= (struct gl_context
*) userData
;
1239 _mesa_delete_array_object(ctx
, arrayObj
);
1244 * Free vertex array state for given context.
1247 _mesa_free_varray_data(struct gl_context
*ctx
)
1249 _mesa_HashDeleteAll(ctx
->Array
.Objects
, delete_arrayobj_cb
, ctx
);
1250 _mesa_DeleteHashTable(ctx
->Array
.Objects
);