2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
5 * Copyright (C) 2009 VMware, Inc. 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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
28 #include <inttypes.h> /* for PRId64 macro */
32 #include "bufferobj.h"
42 #include "main/dispatch.h"
45 /** Used to do error checking for GL_EXT_vertex_array_bgra */
49 /** Used to indicate which GL datatypes are accepted by each of the
50 * glVertex/Color/Attrib/EtcPointer() functions.
52 #define BOOL_BIT (1 << 0)
53 #define BYTE_BIT (1 << 1)
54 #define UNSIGNED_BYTE_BIT (1 << 2)
55 #define SHORT_BIT (1 << 3)
56 #define UNSIGNED_SHORT_BIT (1 << 4)
57 #define INT_BIT (1 << 5)
58 #define UNSIGNED_INT_BIT (1 << 6)
59 #define HALF_BIT (1 << 7)
60 #define FLOAT_BIT (1 << 8)
61 #define DOUBLE_BIT (1 << 9)
62 #define FIXED_ES_BIT (1 << 10)
63 #define FIXED_GL_BIT (1 << 11)
64 #define UNSIGNED_INT_2_10_10_10_REV_BIT (1 << 12)
65 #define INT_2_10_10_10_REV_BIT (1 << 13)
66 #define UNSIGNED_INT_10F_11F_11F_REV_BIT (1 << 14)
67 #define ALL_TYPE_BITS ((1 << 15) - 1)
69 #define ATTRIB_FORMAT_TYPES_MASK (BYTE_BIT | UNSIGNED_BYTE_BIT | \
70 SHORT_BIT | UNSIGNED_SHORT_BIT | \
71 INT_BIT | UNSIGNED_INT_BIT | \
72 HALF_BIT | FLOAT_BIT | DOUBLE_BIT | \
74 UNSIGNED_INT_2_10_10_10_REV_BIT | \
75 INT_2_10_10_10_REV_BIT | \
76 UNSIGNED_INT_10F_11F_11F_REV_BIT)
78 #define ATTRIB_IFORMAT_TYPES_MASK (BYTE_BIT | UNSIGNED_BYTE_BIT | \
79 SHORT_BIT | UNSIGNED_SHORT_BIT | \
80 INT_BIT | UNSIGNED_INT_BIT)
82 #define ATTRIB_LFORMAT_TYPES_MASK DOUBLE_BIT
85 /** Convert GL datatype enum into a <type>_BIT value seen above */
87 type_to_bit(const struct gl_context
*ctx
, GLenum type
)
94 case GL_UNSIGNED_BYTE
:
95 return UNSIGNED_BYTE_BIT
;
98 case GL_UNSIGNED_SHORT
:
99 return UNSIGNED_SHORT_BIT
;
102 case GL_UNSIGNED_INT
:
103 return UNSIGNED_INT_BIT
;
105 case GL_HALF_FLOAT_OES
:
106 if (ctx
->Extensions
.ARB_half_float_vertex
)
115 return _mesa_is_desktop_gl(ctx
) ? FIXED_GL_BIT
: FIXED_ES_BIT
;
116 case GL_UNSIGNED_INT_2_10_10_10_REV
:
117 return UNSIGNED_INT_2_10_10_10_REV_BIT
;
118 case GL_INT_2_10_10_10_REV
:
119 return INT_2_10_10_10_REV_BIT
;
120 case GL_UNSIGNED_INT_10F_11F_11F_REV
:
121 return UNSIGNED_INT_10F_11F_11F_REV_BIT
;
129 * Sets the BufferBindingIndex field for the vertex attribute given by
133 vertex_attrib_binding(struct gl_context
*ctx
,
134 struct gl_vertex_array_object
*vao
,
138 struct gl_array_attributes
*array
= &vao
->VertexAttrib
[attribIndex
];
140 if (array
->BufferBindingIndex
!= bindingIndex
) {
141 const GLbitfield64 array_bit
= VERT_BIT(attribIndex
);
143 if (_mesa_is_bufferobj(vao
->BufferBinding
[bindingIndex
].BufferObj
))
144 vao
->VertexAttribBufferMask
|= array_bit
;
146 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
148 vao
->BufferBinding
[array
->BufferBindingIndex
]._BoundArrays
&= ~array_bit
;
149 vao
->BufferBinding
[bindingIndex
]._BoundArrays
|= array_bit
;
151 array
->BufferBindingIndex
= bindingIndex
;
153 vao
->NewArrays
|= array_bit
;
159 * Binds a buffer object to the vertex buffer binding point given by index,
160 * and sets the Offset and Stride fields.
163 _mesa_bind_vertex_buffer(struct gl_context
*ctx
,
164 struct gl_vertex_array_object
*vao
,
166 struct gl_buffer_object
*vbo
,
167 GLintptr offset
, GLsizei stride
)
169 struct gl_vertex_buffer_binding
*binding
= &vao
->BufferBinding
[index
];
171 if (binding
->BufferObj
!= vbo
||
172 binding
->Offset
!= offset
||
173 binding
->Stride
!= stride
) {
175 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
177 _mesa_reference_buffer_object(ctx
, &binding
->BufferObj
, vbo
);
179 binding
->Offset
= offset
;
180 binding
->Stride
= stride
;
182 if (!_mesa_is_bufferobj(vbo
))
183 vao
->VertexAttribBufferMask
&= ~binding
->_BoundArrays
;
185 vao
->VertexAttribBufferMask
|= binding
->_BoundArrays
;
187 vao
->NewArrays
|= binding
->_BoundArrays
;
193 * Sets the InstanceDivisor field in the vertex buffer binding point
194 * given by bindingIndex.
197 vertex_binding_divisor(struct gl_context
*ctx
,
198 struct gl_vertex_array_object
*vao
,
202 struct gl_vertex_buffer_binding
*binding
=
203 &vao
->BufferBinding
[bindingIndex
];
205 if (binding
->InstanceDivisor
!= divisor
) {
206 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
207 binding
->InstanceDivisor
= divisor
;
208 vao
->NewArrays
|= binding
->_BoundArrays
;
214 * Examine the API profile and extensions to determine which types are legal
215 * for vertex arrays. This is called once from update_array_format().
218 get_legal_types_mask(const struct gl_context
*ctx
)
220 GLbitfield legalTypesMask
= ALL_TYPE_BITS
;
222 if (_mesa_is_gles(ctx
)) {
223 legalTypesMask
&= ~(FIXED_GL_BIT
|
225 UNSIGNED_INT_10F_11F_11F_REV_BIT
);
227 /* GL_INT and GL_UNSIGNED_INT data is not allowed in OpenGL ES until
228 * 3.0. The 2_10_10_10 types are added in OpenGL ES 3.0 or
229 * GL_OES_vertex_type_10_10_10_2. GL_HALF_FLOAT data is not allowed
230 * until 3.0 or with the GL_OES_vertex_half float extension, which isn't
231 * quite as trivial as we'd like because it uses a different enum value
232 * for GL_HALF_FLOAT_OES.
234 if (ctx
->Version
< 30) {
235 legalTypesMask
&= ~(UNSIGNED_INT_BIT
|
237 UNSIGNED_INT_2_10_10_10_REV_BIT
|
238 INT_2_10_10_10_REV_BIT
);
240 if (!_mesa_has_OES_vertex_half_float(ctx
))
241 legalTypesMask
&= ~HALF_BIT
;
245 legalTypesMask
&= ~FIXED_ES_BIT
;
247 if (!ctx
->Extensions
.ARB_ES2_compatibility
)
248 legalTypesMask
&= ~FIXED_GL_BIT
;
250 if (!ctx
->Extensions
.ARB_vertex_type_2_10_10_10_rev
)
251 legalTypesMask
&= ~(UNSIGNED_INT_2_10_10_10_REV_BIT
|
252 INT_2_10_10_10_REV_BIT
);
254 if (!ctx
->Extensions
.ARB_vertex_type_10f_11f_11f_rev
)
255 legalTypesMask
&= ~UNSIGNED_INT_10F_11F_11F_REV_BIT
;
258 return legalTypesMask
;
262 get_array_format(const struct gl_context
*ctx
, GLint sizeMax
, GLint
*size
)
264 GLenum format
= GL_RGBA
;
266 /* Do size parameter checking.
267 * If sizeMax = BGRA_OR_4 it means that size = GL_BGRA is legal and
268 * must be handled specially.
270 if (ctx
->Extensions
.EXT_vertex_array_bgra
&& sizeMax
== BGRA_OR_4
&&
281 * \param attrib The index of the attribute array
282 * \param size Components per element (1, 2, 3 or 4)
283 * \param type Datatype of each component (GL_FLOAT, GL_INT, etc)
284 * \param format Either GL_RGBA or GL_BGRA.
285 * \param normalized Whether integer types are converted to floats in [-1, 1]
286 * \param integer Integer-valued values (will not be normalized to [-1, 1])
287 * \param doubles Double values not reduced to floats
288 * \param relativeOffset Offset of the first element relative to the binding
290 * \param flush_verties Should \c FLUSH_VERTICES be invoked before updating
294 _mesa_update_array_format(struct gl_context
*ctx
,
295 struct gl_vertex_array_object
*vao
,
296 GLuint attrib
, GLint size
, GLenum type
,
297 GLenum format
, GLboolean normalized
,
298 GLboolean integer
, GLboolean doubles
,
299 GLuint relativeOffset
)
301 struct gl_array_attributes
*const array
= &vao
->VertexAttrib
[attrib
];
306 elementSize
= _mesa_bytes_per_vertex_attrib(size
, type
);
307 assert(elementSize
!= -1);
311 array
->Format
= format
;
312 array
->Normalized
= normalized
;
313 array
->Integer
= integer
;
314 array
->Doubles
= doubles
;
315 array
->RelativeOffset
= relativeOffset
;
316 array
->_ElementSize
= elementSize
;
318 vao
->NewArrays
|= VERT_BIT(attrib
);
319 ctx
->NewState
|= _NEW_ARRAY
;
323 * Does error checking of the format in an attrib array.
325 * Called by *Pointer() and VertexAttrib*Format().
327 * \param func Name of calling function used for error reporting
328 * \param attrib The index of the attribute array
329 * \param legalTypes Bitmask of *_BIT above indicating legal datatypes
330 * \param sizeMin Min allowable size value
331 * \param sizeMax Max allowable size value (may also be BGRA_OR_4)
332 * \param size Components per element (1, 2, 3 or 4)
333 * \param type Datatype of each component (GL_FLOAT, GL_INT, etc)
334 * \param normalized Whether integer types are converted to floats in [-1, 1]
335 * \param integer Integer-valued values (will not be normalized to [-1, 1])
336 * \param doubles Double values not reduced to floats
337 * \param relativeOffset Offset of the first element relative to the binding offset.
338 * \return bool True if validation is successful, False otherwise.
341 validate_array_format(struct gl_context
*ctx
, const char *func
,
342 struct gl_vertex_array_object
*vao
,
343 GLuint attrib
, GLbitfield legalTypesMask
,
344 GLint sizeMin
, GLint sizeMax
,
345 GLint size
, GLenum type
, GLboolean normalized
,
346 GLboolean integer
, GLboolean doubles
,
347 GLuint relativeOffset
, GLenum format
)
351 /* at most, one of these bools can be true */
352 assert((int) normalized
+ (int) integer
+ (int) doubles
<= 1);
354 if (ctx
->Array
.LegalTypesMask
== 0 || ctx
->Array
.LegalTypesMaskAPI
!= ctx
->API
) {
355 /* Compute the LegalTypesMask only once, unless the context API has
356 * changed, in which case we want to compute it again. We can't do this
357 * in _mesa_init_varrays() below because extensions are not yet enabled
360 ctx
->Array
.LegalTypesMask
= get_legal_types_mask(ctx
);
361 ctx
->Array
.LegalTypesMaskAPI
= ctx
->API
;
364 legalTypesMask
&= ctx
->Array
.LegalTypesMask
;
366 if (_mesa_is_gles(ctx
) && sizeMax
== BGRA_OR_4
) {
367 /* BGRA ordering is not supported in ES contexts.
372 typeBit
= type_to_bit(ctx
, type
);
373 if (typeBit
== 0x0 || (typeBit
& legalTypesMask
) == 0x0) {
374 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(type = %s)",
375 func
, _mesa_enum_to_string(type
));
379 if (format
== GL_BGRA
) {
380 /* Page 298 of the PDF of the OpenGL 4.3 (Core Profile) spec says:
382 * "An INVALID_OPERATION error is generated under any of the following
385 * • size is BGRA and type is not UNSIGNED_BYTE, INT_2_10_10_10_REV
386 * or UNSIGNED_INT_2_10_10_10_REV;
388 * • size is BGRA and normalized is FALSE;"
390 bool bgra_error
= false;
392 if (ctx
->Extensions
.ARB_vertex_type_2_10_10_10_rev
) {
393 if (type
!= GL_UNSIGNED_INT_2_10_10_10_REV
&&
394 type
!= GL_INT_2_10_10_10_REV
&&
395 type
!= GL_UNSIGNED_BYTE
)
397 } else if (type
!= GL_UNSIGNED_BYTE
)
401 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(size=GL_BGRA and type=%s)",
402 func
, _mesa_enum_to_string(type
));
407 _mesa_error(ctx
, GL_INVALID_OPERATION
,
408 "%s(size=GL_BGRA and normalized=GL_FALSE)", func
);
412 else if (size
< sizeMin
|| size
> sizeMax
|| size
> 4) {
413 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d)", func
, size
);
417 if (ctx
->Extensions
.ARB_vertex_type_2_10_10_10_rev
&&
418 (type
== GL_UNSIGNED_INT_2_10_10_10_REV
||
419 type
== GL_INT_2_10_10_10_REV
) && size
!= 4) {
420 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(size=%d)", func
, size
);
424 /* The ARB_vertex_attrib_binding_spec says:
426 * An INVALID_VALUE error is generated if <relativeoffset> is larger than
427 * the value of MAX_VERTEX_ATTRIB_RELATIVE_OFFSET.
429 if (relativeOffset
> ctx
->Const
.MaxVertexAttribRelativeOffset
) {
430 _mesa_error(ctx
, GL_INVALID_VALUE
,
431 "%s(relativeOffset=%d > "
432 "GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET)",
433 func
, relativeOffset
);
437 if (ctx
->Extensions
.ARB_vertex_type_10f_11f_11f_rev
&&
438 type
== GL_UNSIGNED_INT_10F_11F_11F_REV
&& size
!= 3) {
439 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(size=%d)", func
, size
);
447 * Do error checking for glVertex/Color/TexCoord/...Pointer functions.
449 * \param func name of calling function used for error reporting
450 * \param attrib the attribute array index to update
451 * \param legalTypes bitmask of *_BIT above indicating legal datatypes
452 * \param sizeMin min allowable size value
453 * \param sizeMax max allowable size value (may also be BGRA_OR_4)
454 * \param size components per element (1, 2, 3 or 4)
455 * \param type datatype of each component (GL_FLOAT, GL_INT, etc)
456 * \param stride stride between elements, in elements
457 * \param normalized are integer types converted to floats in [-1, 1]?
458 * \param integer integer-valued values (will not be normalized to [-1,1])
459 * \param doubles Double values not reduced to floats
460 * \param ptr the address (or offset inside VBO) of the array data
463 validate_array(struct gl_context
*ctx
, const char *func
,
464 GLuint attrib
, GLbitfield legalTypesMask
,
465 GLint sizeMin
, GLint sizeMax
,
466 GLint size
, GLenum type
, GLsizei stride
,
467 GLboolean normalized
, GLboolean integer
, GLboolean doubles
,
470 struct gl_vertex_array_object
*vao
= ctx
->Array
.VAO
;
472 /* Page 407 (page 423 of the PDF) of the OpenGL 3.0 spec says:
474 * "Client vertex arrays - all vertex array attribute pointers must
475 * refer to buffer objects (section 2.9.2). The default vertex array
476 * object (the name zero) is also deprecated. Calling
477 * VertexAttribPointer when no buffer object or no vertex array object
478 * is bound will generate an INVALID_OPERATION error..."
480 * The check for VBOs is handled below.
482 if (ctx
->API
== API_OPENGL_CORE
&& (vao
== ctx
->Array
.DefaultVAO
)) {
483 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(no array object bound)",
489 _mesa_error( ctx
, GL_INVALID_VALUE
, "%s(stride=%d)", func
, stride
);
493 if (ctx
->API
== API_OPENGL_CORE
&& ctx
->Version
>= 44 &&
494 stride
> ctx
->Const
.MaxVertexAttribStride
) {
495 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(stride=%d > "
496 "GL_MAX_VERTEX_ATTRIB_STRIDE)", func
, stride
);
500 /* Page 29 (page 44 of the PDF) of the OpenGL 3.3 spec says:
502 * "An INVALID_OPERATION error is generated under any of the following
507 * * any of the *Pointer commands specifying the location and
508 * organization of vertex array data are called while zero is bound
509 * to the ARRAY_BUFFER buffer object binding point (see section
510 * 2.9.6), and the pointer argument is not NULL."
512 if (ptr
!= NULL
&& vao
!= ctx
->Array
.DefaultVAO
&&
513 !_mesa_is_bufferobj(ctx
->Array
.ArrayBufferObj
)) {
514 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(non-VBO array)", func
);
521 validate_array_and_format(struct gl_context
*ctx
, const char *func
,
522 GLuint attrib
, GLbitfield legalTypes
,
523 GLint sizeMin
, GLint sizeMax
,
524 GLint size
, GLenum type
, GLsizei stride
,
525 GLboolean normalized
, GLboolean integer
,
526 GLboolean doubles
, GLenum format
, const GLvoid
*ptr
,
527 struct gl_vertex_array_object
*vao
)
529 validate_array(ctx
, func
, attrib
, legalTypes
, sizeMin
, sizeMax
, size
,
530 type
, stride
, normalized
, integer
, doubles
, ptr
);
532 return validate_array_format(ctx
, func
, vao
, attrib
, legalTypes
, sizeMin
,
533 sizeMax
, size
, type
, normalized
, integer
,
539 * Update state for glVertex/Color/TexCoord/...Pointer functions.
541 * \param attrib the attribute array index to update
542 * \param format Either GL_RGBA or GL_BGRA.
543 * \param sizeMax max allowable size value (may also be BGRA_OR_4)
544 * \param size components per element (1, 2, 3 or 4)
545 * \param type datatype of each component (GL_FLOAT, GL_INT, etc)
546 * \param stride stride between elements, in elements
547 * \param normalized are integer types converted to floats in [-1, 1]?
548 * \param integer integer-valued values (will not be normalized to [-1,1])
549 * \param doubles Double values not reduced to floats
550 * \param ptr the address (or offset inside VBO) of the array data
553 update_array(struct gl_context
*ctx
,
554 GLuint attrib
, GLenum format
,
556 GLint size
, GLenum type
, GLsizei stride
,
557 GLboolean normalized
, GLboolean integer
, GLboolean doubles
,
560 struct gl_vertex_array_object
*vao
= ctx
->Array
.VAO
;
562 _mesa_update_array_format(ctx
, vao
, attrib
, size
, type
, format
,
563 normalized
, integer
, doubles
, 0);
565 /* Reset the vertex attrib binding */
566 vertex_attrib_binding(ctx
, vao
, attrib
, attrib
);
568 /* The Stride and Ptr fields are not set by update_array_format() */
569 struct gl_array_attributes
*array
= &vao
->VertexAttrib
[attrib
];
570 array
->Stride
= stride
;
573 /* Update the vertex buffer binding */
574 GLsizei effectiveStride
= stride
!= 0 ? stride
: array
->_ElementSize
;
575 _mesa_bind_vertex_buffer(ctx
, vao
, attrib
,
576 ctx
->Array
.ArrayBufferObj
, (GLintptr
) ptr
,
582 _mesa_VertexPointer(GLint size
, GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
584 GET_CURRENT_CONTEXT(ctx
);
586 FLUSH_VERTICES(ctx
, 0);
588 GLenum format
= GL_RGBA
;
589 if (!_mesa_is_no_error_enabled(ctx
)) {
590 GLbitfield legalTypes
= (ctx
->API
== API_OPENGLES
)
591 ? (BYTE_BIT
| SHORT_BIT
| FLOAT_BIT
| FIXED_ES_BIT
)
592 : (SHORT_BIT
| INT_BIT
| FLOAT_BIT
|
593 DOUBLE_BIT
| HALF_BIT
|
594 UNSIGNED_INT_2_10_10_10_REV_BIT
|
595 INT_2_10_10_10_REV_BIT
);
597 if (!validate_array_and_format(ctx
, "glVertexPointer", VERT_ATTRIB_POS
,
598 legalTypes
, 2, 4, size
, type
, stride
,
599 GL_FALSE
, GL_FALSE
, GL_FALSE
, format
,
600 ptr
, ctx
->Array
.VAO
))
604 update_array(ctx
, VERT_ATTRIB_POS
, format
, 4, size
, type
, stride
,
605 GL_FALSE
, GL_FALSE
, GL_FALSE
, ptr
);
610 _mesa_NormalPointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
612 GET_CURRENT_CONTEXT(ctx
);
614 FLUSH_VERTICES(ctx
, 0);
616 GLenum format
= GL_RGBA
;
617 if (!_mesa_is_no_error_enabled(ctx
)) {
618 const GLbitfield legalTypes
= (ctx
->API
== API_OPENGLES
)
619 ? (BYTE_BIT
| SHORT_BIT
| FLOAT_BIT
| FIXED_ES_BIT
)
620 : (BYTE_BIT
| SHORT_BIT
| INT_BIT
|
621 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
622 UNSIGNED_INT_2_10_10_10_REV_BIT
|
623 INT_2_10_10_10_REV_BIT
);
625 if (!validate_array_and_format(ctx
, "glNormalPointer",
626 VERT_ATTRIB_NORMAL
, legalTypes
, 3, 3, 3,
627 type
, stride
, GL_TRUE
, GL_FALSE
,
628 GL_FALSE
, format
, ptr
, ctx
->Array
.VAO
))
632 update_array(ctx
, VERT_ATTRIB_NORMAL
, format
, 3, 3, type
, stride
, GL_TRUE
,
633 GL_FALSE
, GL_FALSE
, ptr
);
638 _mesa_ColorPointer(GLint size
, GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
640 GET_CURRENT_CONTEXT(ctx
);
641 const GLint sizeMin
= (ctx
->API
== API_OPENGLES
) ? 4 : 3;
643 FLUSH_VERTICES(ctx
, 0);
645 GLenum format
= get_array_format(ctx
, BGRA_OR_4
, &size
);
646 if (!_mesa_is_no_error_enabled(ctx
)) {
647 const GLbitfield legalTypes
= (ctx
->API
== API_OPENGLES
)
648 ? (UNSIGNED_BYTE_BIT
| HALF_BIT
| FLOAT_BIT
| FIXED_ES_BIT
)
649 : (BYTE_BIT
| UNSIGNED_BYTE_BIT
|
650 SHORT_BIT
| UNSIGNED_SHORT_BIT
|
651 INT_BIT
| UNSIGNED_INT_BIT
|
652 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
653 UNSIGNED_INT_2_10_10_10_REV_BIT
|
654 INT_2_10_10_10_REV_BIT
);
656 if (!validate_array_and_format(ctx
, "glColorPointer",
657 VERT_ATTRIB_COLOR0
, legalTypes
, sizeMin
,
658 BGRA_OR_4
, size
, type
, stride
, GL_TRUE
,
659 GL_FALSE
, GL_FALSE
, format
, ptr
,
664 update_array(ctx
, VERT_ATTRIB_COLOR0
, format
, BGRA_OR_4
, size
,
665 type
, stride
, GL_TRUE
, GL_FALSE
, GL_FALSE
, ptr
);
670 _mesa_FogCoordPointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
672 GET_CURRENT_CONTEXT(ctx
);
674 FLUSH_VERTICES(ctx
, 0);
676 GLenum format
= GL_RGBA
;
677 if (!_mesa_is_no_error_enabled(ctx
)) {
678 const GLbitfield legalTypes
= (HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
);
680 if (!validate_array_and_format(ctx
, "glFogCoordPointer",
681 VERT_ATTRIB_FOG
, legalTypes
, 1, 1, 1,
682 type
, stride
, GL_FALSE
, GL_FALSE
,
683 GL_FALSE
, format
, ptr
, ctx
->Array
.VAO
))
687 update_array(ctx
, VERT_ATTRIB_FOG
, format
, 1, 1, type
, stride
, GL_FALSE
,
688 GL_FALSE
, GL_FALSE
, ptr
);
693 _mesa_IndexPointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
695 GET_CURRENT_CONTEXT(ctx
);
697 FLUSH_VERTICES(ctx
, 0);
699 GLenum format
= GL_RGBA
;
700 if (!_mesa_is_no_error_enabled(ctx
)) {
701 const GLbitfield legalTypes
= (UNSIGNED_BYTE_BIT
| SHORT_BIT
| INT_BIT
|
702 FLOAT_BIT
| DOUBLE_BIT
);
704 if (!validate_array_and_format(ctx
, "glIndexPointer",
705 VERT_ATTRIB_COLOR_INDEX
,
706 legalTypes
, 1, 1, 1, type
, stride
,
707 GL_FALSE
, GL_FALSE
, GL_FALSE
, format
,
708 ptr
, ctx
->Array
.VAO
))
712 update_array(ctx
, VERT_ATTRIB_COLOR_INDEX
, format
, 1, 1, type
, stride
,
713 GL_FALSE
, GL_FALSE
, GL_FALSE
, ptr
);
718 _mesa_SecondaryColorPointer(GLint size
, GLenum type
,
719 GLsizei stride
, const GLvoid
*ptr
)
721 GET_CURRENT_CONTEXT(ctx
);
723 FLUSH_VERTICES(ctx
, 0);
725 GLenum format
= get_array_format(ctx
, BGRA_OR_4
, &size
);
726 if (!_mesa_is_no_error_enabled(ctx
)) {
727 const GLbitfield legalTypes
= (BYTE_BIT
| UNSIGNED_BYTE_BIT
|
728 SHORT_BIT
| UNSIGNED_SHORT_BIT
|
729 INT_BIT
| UNSIGNED_INT_BIT
|
730 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
731 UNSIGNED_INT_2_10_10_10_REV_BIT
|
732 INT_2_10_10_10_REV_BIT
);
734 if (!validate_array_and_format(ctx
, "glSecondaryColorPointer",
735 VERT_ATTRIB_COLOR1
, legalTypes
, 3,
736 BGRA_OR_4
, size
, type
, stride
,
737 GL_TRUE
, GL_FALSE
, GL_FALSE
, format
, ptr
,
742 update_array(ctx
, VERT_ATTRIB_COLOR1
, format
, BGRA_OR_4
, size
, type
,
743 stride
, GL_TRUE
, GL_FALSE
, GL_FALSE
, ptr
);
748 _mesa_TexCoordPointer(GLint size
, GLenum type
, GLsizei stride
,
751 GET_CURRENT_CONTEXT(ctx
);
752 const GLint sizeMin
= (ctx
->API
== API_OPENGLES
) ? 2 : 1;
753 const GLuint unit
= ctx
->Array
.ActiveTexture
;
755 FLUSH_VERTICES(ctx
, 0);
757 GLenum format
= GL_RGBA
;
758 if (!_mesa_is_no_error_enabled(ctx
)) {
759 const GLbitfield legalTypes
= (ctx
->API
== API_OPENGLES
)
760 ? (BYTE_BIT
| SHORT_BIT
| FLOAT_BIT
| FIXED_ES_BIT
)
761 : (SHORT_BIT
| INT_BIT
|
762 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
763 UNSIGNED_INT_2_10_10_10_REV_BIT
|
764 INT_2_10_10_10_REV_BIT
);
766 if (!validate_array_and_format(ctx
, "glTexCoordPointer",
767 VERT_ATTRIB_TEX(unit
), legalTypes
,
768 sizeMin
, 4, size
, type
, stride
,
769 GL_FALSE
, GL_FALSE
, GL_FALSE
, format
, ptr
,
774 update_array(ctx
, VERT_ATTRIB_TEX(unit
), format
, 4, size
, type
,
775 stride
, GL_FALSE
, GL_FALSE
, GL_FALSE
, ptr
);
780 _mesa_EdgeFlagPointer(GLsizei stride
, const GLvoid
*ptr
)
782 /* this is the same type that glEdgeFlag uses */
783 const GLboolean integer
= GL_FALSE
;
784 GET_CURRENT_CONTEXT(ctx
);
786 FLUSH_VERTICES(ctx
, 0);
788 GLenum format
= GL_RGBA
;
789 if (!_mesa_is_no_error_enabled(ctx
)) {
790 const GLbitfield legalTypes
= UNSIGNED_BYTE_BIT
;
792 if (!validate_array_and_format(ctx
, "glEdgeFlagPointer",
793 VERT_ATTRIB_EDGEFLAG
, legalTypes
,
794 1, 1, 1, GL_UNSIGNED_BYTE
, stride
,
795 GL_FALSE
, integer
, GL_FALSE
, format
, ptr
,
800 update_array(ctx
, VERT_ATTRIB_EDGEFLAG
, format
, 1, 1, GL_UNSIGNED_BYTE
,
801 stride
, GL_FALSE
, integer
, GL_FALSE
, ptr
);
806 _mesa_PointSizePointerOES(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
808 GET_CURRENT_CONTEXT(ctx
);
810 FLUSH_VERTICES(ctx
, 0);
812 GLenum format
= GL_RGBA
;
813 if (!_mesa_is_no_error_enabled(ctx
)) {
814 if (ctx
->API
!= API_OPENGLES
) {
815 _mesa_error(ctx
, GL_INVALID_OPERATION
,
816 "glPointSizePointer(ES 1.x only)");
820 const GLbitfield legalTypes
= (FLOAT_BIT
| FIXED_ES_BIT
);
822 if (!validate_array_and_format(ctx
, "glPointSizePointer",
823 VERT_ATTRIB_POINT_SIZE
, legalTypes
,
824 1, 1, 1, type
, stride
, GL_FALSE
, GL_FALSE
,
825 GL_FALSE
, format
, ptr
, ctx
->Array
.VAO
))
829 update_array(ctx
, VERT_ATTRIB_POINT_SIZE
, format
, 1, 1, type
, stride
,
830 GL_FALSE
, GL_FALSE
, GL_FALSE
, ptr
);
835 * Set a generic vertex attribute array.
836 * Note that these arrays DO NOT alias the conventional GL vertex arrays
837 * (position, normal, color, fog, texcoord, etc).
840 _mesa_VertexAttribPointer(GLuint index
, GLint size
, GLenum type
,
841 GLboolean normalized
,
842 GLsizei stride
, const GLvoid
*ptr
)
844 GET_CURRENT_CONTEXT(ctx
);
846 GLenum format
= get_array_format(ctx
, BGRA_OR_4
, &size
);
847 if (!_mesa_is_no_error_enabled(ctx
)) {
848 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
) {
849 _mesa_error(ctx
, GL_INVALID_VALUE
, "glVertexAttribPointerARB(idx)");
853 const GLbitfield legalTypes
= (BYTE_BIT
| UNSIGNED_BYTE_BIT
|
854 SHORT_BIT
| UNSIGNED_SHORT_BIT
|
855 INT_BIT
| UNSIGNED_INT_BIT
|
856 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
857 FIXED_ES_BIT
| FIXED_GL_BIT
|
858 UNSIGNED_INT_2_10_10_10_REV_BIT
|
859 INT_2_10_10_10_REV_BIT
|
860 UNSIGNED_INT_10F_11F_11F_REV_BIT
);
862 if (!validate_array_and_format(ctx
, "glVertexAttribPointer",
863 VERT_ATTRIB_GENERIC(index
), legalTypes
,
864 1, BGRA_OR_4
, size
, type
, stride
,
865 normalized
, GL_FALSE
, GL_FALSE
, format
,
866 ptr
, ctx
->Array
.VAO
))
870 update_array(ctx
, VERT_ATTRIB_GENERIC(index
), format
, BGRA_OR_4
,
871 size
, type
, stride
, normalized
, GL_FALSE
, GL_FALSE
, ptr
);
876 * GL_EXT_gpu_shader4 / GL 3.0.
877 * Set an integer-valued vertex attribute array.
878 * Note that these arrays DO NOT alias the conventional GL vertex arrays
879 * (position, normal, color, fog, texcoord, etc).
882 _mesa_VertexAttribIPointer(GLuint index
, GLint size
, GLenum type
,
883 GLsizei stride
, const GLvoid
*ptr
)
885 const GLboolean normalized
= GL_FALSE
;
886 const GLboolean integer
= GL_TRUE
;
887 GET_CURRENT_CONTEXT(ctx
);
889 GLenum format
= GL_RGBA
;
890 if (!_mesa_is_no_error_enabled(ctx
)) {
891 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
) {
892 _mesa_error(ctx
, GL_INVALID_VALUE
, "glVertexAttribIPointer(index)");
896 const GLbitfield legalTypes
= (BYTE_BIT
| UNSIGNED_BYTE_BIT
|
897 SHORT_BIT
| UNSIGNED_SHORT_BIT
|
898 INT_BIT
| UNSIGNED_INT_BIT
);
900 if (!validate_array_and_format(ctx
, "glVertexAttribIPointer",
901 VERT_ATTRIB_GENERIC(index
), legalTypes
,
902 1, 4, size
, type
, stride
,
903 normalized
, integer
, GL_FALSE
, format
,
904 ptr
, ctx
->Array
.VAO
))
908 update_array(ctx
, VERT_ATTRIB_GENERIC(index
), format
, 4, size
, type
,
909 stride
, normalized
, integer
, GL_FALSE
, ptr
);
913 _mesa_VertexAttribLPointer(GLuint index
, GLint size
, GLenum type
,
914 GLsizei stride
, const GLvoid
*ptr
)
916 GET_CURRENT_CONTEXT(ctx
);
918 GLenum format
= GL_RGBA
;
919 if (!_mesa_is_no_error_enabled(ctx
)) {
920 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
) {
921 _mesa_error(ctx
, GL_INVALID_VALUE
, "glVertexAttribLPointer(index)");
925 const GLbitfield legalTypes
= DOUBLE_BIT
;
927 if (!validate_array_and_format(ctx
, "glVertexAttribLPointer",
928 VERT_ATTRIB_GENERIC(index
), legalTypes
,
929 1, 4, size
, type
, stride
,
930 GL_FALSE
, GL_FALSE
, GL_TRUE
, format
,
931 ptr
, ctx
->Array
.VAO
))
935 update_array(ctx
, VERT_ATTRIB_GENERIC(index
), format
, 4, size
, type
,
936 stride
, GL_FALSE
, GL_FALSE
, GL_TRUE
, ptr
);
941 _mesa_enable_vertex_array_attrib(struct gl_context
*ctx
,
942 struct gl_vertex_array_object
*vao
,
945 assert(attrib
< ARRAY_SIZE(vao
->VertexAttrib
));
947 if (!vao
->VertexAttrib
[attrib
].Enabled
) {
948 /* was disabled, now being enabled */
949 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
950 vao
->VertexAttrib
[attrib
].Enabled
= GL_TRUE
;
951 vao
->_Enabled
|= VERT_BIT(attrib
);
952 vao
->NewArrays
|= VERT_BIT(attrib
);
957 enable_vertex_array_attrib(struct gl_context
*ctx
,
958 struct gl_vertex_array_object
*vao
,
962 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
) {
963 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(index)", func
);
967 _mesa_enable_vertex_array_attrib(ctx
, vao
, VERT_ATTRIB_GENERIC(index
));
972 _mesa_EnableVertexAttribArray(GLuint index
)
974 GET_CURRENT_CONTEXT(ctx
);
975 enable_vertex_array_attrib(ctx
, ctx
->Array
.VAO
, index
,
976 "glEnableVertexAttribArray");
981 _mesa_EnableVertexArrayAttrib(GLuint vaobj
, GLuint index
)
983 GET_CURRENT_CONTEXT(ctx
);
984 struct gl_vertex_array_object
*vao
;
986 /* The ARB_direct_state_access specification says:
988 * "An INVALID_OPERATION error is generated by EnableVertexArrayAttrib
989 * and DisableVertexArrayAttrib if <vaobj> is not
990 * [compatibility profile: zero or] the name of an existing vertex
993 vao
= _mesa_lookup_vao_err(ctx
, vaobj
, "glEnableVertexArrayAttrib");
997 enable_vertex_array_attrib(ctx
, vao
, index
, "glEnableVertexArrayAttrib");
1002 disable_vertex_array_attrib(struct gl_context
*ctx
,
1003 struct gl_vertex_array_object
*vao
,
1007 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
) {
1008 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(index)", func
);
1012 assert(VERT_ATTRIB_GENERIC(index
) < ARRAY_SIZE(vao
->VertexAttrib
));
1014 if (vao
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].Enabled
) {
1015 /* was enabled, now being disabled */
1016 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
1017 vao
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].Enabled
= GL_FALSE
;
1018 vao
->_Enabled
&= ~VERT_BIT_GENERIC(index
);
1019 vao
->NewArrays
|= VERT_BIT_GENERIC(index
);
1025 _mesa_DisableVertexAttribArray(GLuint index
)
1027 GET_CURRENT_CONTEXT(ctx
);
1028 disable_vertex_array_attrib(ctx
, ctx
->Array
.VAO
, index
,
1029 "glDisableVertexAttribArray");
1034 _mesa_DisableVertexArrayAttrib(GLuint vaobj
, GLuint index
)
1036 GET_CURRENT_CONTEXT(ctx
);
1037 struct gl_vertex_array_object
*vao
;
1039 /* The ARB_direct_state_access specification says:
1041 * "An INVALID_OPERATION error is generated by EnableVertexArrayAttrib
1042 * and DisableVertexArrayAttrib if <vaobj> is not
1043 * [compatibility profile: zero or] the name of an existing vertex
1046 vao
= _mesa_lookup_vao_err(ctx
, vaobj
, "glDisableVertexArrayAttrib");
1050 disable_vertex_array_attrib(ctx
, vao
, index
, "glDisableVertexArrayAttrib");
1055 * Return info for a vertex attribute array (no alias with legacy
1056 * vertex attributes (pos, normal, color, etc)). This function does
1057 * not handle the 4-element GL_CURRENT_VERTEX_ATTRIB_ARB query.
1060 get_vertex_array_attrib(struct gl_context
*ctx
,
1061 const struct gl_vertex_array_object
*vao
,
1062 GLuint index
, GLenum pname
,
1065 const struct gl_array_attributes
*array
;
1067 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
) {
1068 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(index=%u)", caller
, index
);
1072 assert(VERT_ATTRIB_GENERIC(index
) < ARRAY_SIZE(vao
->VertexAttrib
));
1074 array
= &vao
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)];
1077 case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB
:
1078 return array
->Enabled
;
1079 case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB
:
1080 return (array
->Format
== GL_BGRA
) ? GL_BGRA
: array
->Size
;
1081 case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB
:
1082 return array
->Stride
;
1083 case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB
:
1085 case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB
:
1086 return array
->Normalized
;
1087 case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB
:
1088 return vao
->BufferBinding
[array
->BufferBindingIndex
].BufferObj
->Name
;
1089 case GL_VERTEX_ATTRIB_ARRAY_INTEGER
:
1090 if ((_mesa_is_desktop_gl(ctx
)
1091 && (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_gpu_shader4
))
1092 || _mesa_is_gles3(ctx
)) {
1093 return array
->Integer
;
1096 case GL_VERTEX_ATTRIB_ARRAY_LONG
:
1097 if (_mesa_is_desktop_gl(ctx
)) {
1098 return array
->Doubles
;
1101 case GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB
:
1102 if ((_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.ARB_instanced_arrays
)
1103 || _mesa_is_gles3(ctx
)) {
1104 return vao
->BufferBinding
[array
->BufferBindingIndex
].InstanceDivisor
;
1107 case GL_VERTEX_ATTRIB_BINDING
:
1108 if (_mesa_is_desktop_gl(ctx
) || _mesa_is_gles31(ctx
)) {
1109 return array
->BufferBindingIndex
- VERT_ATTRIB_GENERIC0
;
1112 case GL_VERTEX_ATTRIB_RELATIVE_OFFSET
:
1113 if (_mesa_is_desktop_gl(ctx
) || _mesa_is_gles31(ctx
)) {
1114 return array
->RelativeOffset
;
1118 ; /* fall-through */
1122 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(pname=0x%x)", caller
, pname
);
1127 static const GLfloat
*
1128 get_current_attrib(struct gl_context
*ctx
, GLuint index
, const char *function
)
1131 if (_mesa_attr_zero_aliases_vertex(ctx
)) {
1132 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(index==0)", function
);
1136 else if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
) {
1137 _mesa_error(ctx
, GL_INVALID_VALUE
,
1138 "%s(index>=GL_MAX_VERTEX_ATTRIBS)", function
);
1142 assert(VERT_ATTRIB_GENERIC(index
) <
1143 ARRAY_SIZE(ctx
->Array
.VAO
->VertexAttrib
));
1145 FLUSH_CURRENT(ctx
, 0);
1146 return ctx
->Current
.Attrib
[VERT_ATTRIB_GENERIC(index
)];
1150 _mesa_GetVertexAttribfv(GLuint index
, GLenum pname
, GLfloat
*params
)
1152 GET_CURRENT_CONTEXT(ctx
);
1154 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
1155 const GLfloat
*v
= get_current_attrib(ctx
, index
, "glGetVertexAttribfv");
1161 params
[0] = (GLfloat
) get_vertex_array_attrib(ctx
, ctx
->Array
.VAO
,
1163 "glGetVertexAttribfv");
1169 _mesa_GetVertexAttribdv(GLuint index
, GLenum pname
, GLdouble
*params
)
1171 GET_CURRENT_CONTEXT(ctx
);
1173 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
1174 const GLfloat
*v
= get_current_attrib(ctx
, index
, "glGetVertexAttribdv");
1176 params
[0] = (GLdouble
) v
[0];
1177 params
[1] = (GLdouble
) v
[1];
1178 params
[2] = (GLdouble
) v
[2];
1179 params
[3] = (GLdouble
) v
[3];
1183 params
[0] = (GLdouble
) get_vertex_array_attrib(ctx
, ctx
->Array
.VAO
,
1185 "glGetVertexAttribdv");
1190 _mesa_GetVertexAttribLdv(GLuint index
, GLenum pname
, GLdouble
*params
)
1192 GET_CURRENT_CONTEXT(ctx
);
1194 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
1196 (const GLdouble
*)get_current_attrib(ctx
, index
,
1197 "glGetVertexAttribLdv");
1206 params
[0] = (GLdouble
) get_vertex_array_attrib(ctx
, ctx
->Array
.VAO
,
1208 "glGetVertexAttribLdv");
1213 _mesa_GetVertexAttribiv(GLuint index
, GLenum pname
, GLint
*params
)
1215 GET_CURRENT_CONTEXT(ctx
);
1217 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
1218 const GLfloat
*v
= get_current_attrib(ctx
, index
, "glGetVertexAttribiv");
1220 /* XXX should floats in[0,1] be scaled to full int range? */
1221 params
[0] = (GLint
) v
[0];
1222 params
[1] = (GLint
) v
[1];
1223 params
[2] = (GLint
) v
[2];
1224 params
[3] = (GLint
) v
[3];
1228 params
[0] = (GLint
) get_vertex_array_attrib(ctx
, ctx
->Array
.VAO
,
1230 "glGetVertexAttribiv");
1237 _mesa_GetVertexAttribIiv(GLuint index
, GLenum pname
, GLint
*params
)
1239 GET_CURRENT_CONTEXT(ctx
);
1241 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
1242 const GLint
*v
= (const GLint
*)
1243 get_current_attrib(ctx
, index
, "glGetVertexAttribIiv");
1249 params
[0] = (GLint
) get_vertex_array_attrib(ctx
, ctx
->Array
.VAO
,
1251 "glGetVertexAttribIiv");
1258 _mesa_GetVertexAttribIuiv(GLuint index
, GLenum pname
, GLuint
*params
)
1260 GET_CURRENT_CONTEXT(ctx
);
1262 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
1263 const GLuint
*v
= (const GLuint
*)
1264 get_current_attrib(ctx
, index
, "glGetVertexAttribIuiv");
1270 params
[0] = get_vertex_array_attrib(ctx
, ctx
->Array
.VAO
,
1272 "glGetVertexAttribIuiv");
1278 _mesa_GetVertexAttribPointerv(GLuint index
, GLenum pname
, GLvoid
**pointer
)
1280 GET_CURRENT_CONTEXT(ctx
);
1282 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
) {
1283 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetVertexAttribPointerARB(index)");
1287 if (pname
!= GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB
) {
1288 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetVertexAttribPointerARB(pname)");
1292 assert(VERT_ATTRIB_GENERIC(index
) <
1293 ARRAY_SIZE(ctx
->Array
.VAO
->VertexAttrib
));
1295 *pointer
= (GLvoid
*)
1296 ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].Ptr
;
1300 /** ARB_direct_state_access */
1302 _mesa_GetVertexArrayIndexediv(GLuint vaobj
, GLuint index
,
1303 GLenum pname
, GLint
*params
)
1305 GET_CURRENT_CONTEXT(ctx
);
1306 struct gl_vertex_array_object
*vao
;
1308 /* The ARB_direct_state_access specification says:
1310 * "An INVALID_OPERATION error is generated if <vaobj> is not
1311 * [compatibility profile: zero or] the name of an existing
1312 * vertex array object."
1314 vao
= _mesa_lookup_vao_err(ctx
, vaobj
, "glGetVertexArrayIndexediv");
1318 /* The ARB_direct_state_access specification says:
1320 * "For GetVertexArrayIndexediv, <pname> must be one of
1321 * VERTEX_ATTRIB_ARRAY_ENABLED, VERTEX_ATTRIB_ARRAY_SIZE,
1322 * VERTEX_ATTRIB_ARRAY_STRIDE, VERTEX_ATTRIB_ARRAY_TYPE,
1323 * VERTEX_ATTRIB_ARRAY_NORMALIZED, VERTEX_ATTRIB_ARRAY_INTEGER,
1324 * VERTEX_ATTRIB_ARRAY_LONG, VERTEX_ATTRIB_ARRAY_DIVISOR, or
1325 * VERTEX_ATTRIB_RELATIVE_OFFSET."
1329 * "Add GetVertexArrayIndexediv in 'Get Command' for
1330 * VERTEX_ATTRIB_ARRAY_BUFFER_BINDING
1331 * VERTEX_ATTRIB_BINDING,
1332 * VERTEX_ATTRIB_RELATIVE_OFFSET,
1333 * VERTEX_BINDING_OFFSET, and
1334 * VERTEX_BINDING_STRIDE states"
1336 * The only parameter name common to both lists is
1337 * VERTEX_ATTRIB_RELATIVE_OFFSET. Also note that VERTEX_BINDING_BUFFER
1338 * and VERTEX_BINDING_DIVISOR are missing from both lists. It seems
1339 * pretty clear however that the intent is that it should be possible
1340 * to query all vertex attrib and binding states that can be set with
1344 case GL_VERTEX_BINDING_OFFSET
:
1345 params
[0] = vao
->BufferBinding
[VERT_ATTRIB_GENERIC(index
)].Offset
;
1347 case GL_VERTEX_BINDING_STRIDE
:
1348 params
[0] = vao
->BufferBinding
[VERT_ATTRIB_GENERIC(index
)].Stride
;
1350 case GL_VERTEX_BINDING_DIVISOR
:
1351 params
[0] = vao
->BufferBinding
[VERT_ATTRIB_GENERIC(index
)].InstanceDivisor
;
1353 case GL_VERTEX_BINDING_BUFFER
:
1354 params
[0] = vao
->BufferBinding
[VERT_ATTRIB_GENERIC(index
)].BufferObj
->Name
;
1357 params
[0] = get_vertex_array_attrib(ctx
, vao
, index
, pname
,
1358 "glGetVertexArrayIndexediv");
1365 _mesa_GetVertexArrayIndexed64iv(GLuint vaobj
, GLuint index
,
1366 GLenum pname
, GLint64
*params
)
1368 GET_CURRENT_CONTEXT(ctx
);
1369 struct gl_vertex_array_object
*vao
;
1371 /* The ARB_direct_state_access specification says:
1373 * "An INVALID_OPERATION error is generated if <vaobj> is not
1374 * [compatibility profile: zero or] the name of an existing
1375 * vertex array object."
1377 vao
= _mesa_lookup_vao_err(ctx
, vaobj
, "glGetVertexArrayIndexed64iv");
1381 /* The ARB_direct_state_access specification says:
1383 * "For GetVertexArrayIndexed64iv, <pname> must be
1384 * VERTEX_BINDING_OFFSET."
1388 * "An INVALID_ENUM error is generated if <pname> is not one of
1389 * the valid values listed above for the corresponding command."
1391 if (pname
!= GL_VERTEX_BINDING_OFFSET
) {
1392 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetVertexArrayIndexed64iv("
1393 "pname != GL_VERTEX_BINDING_OFFSET)");
1397 /* The ARB_direct_state_access specification says:
1399 * "An INVALID_VALUE error is generated if <index> is greater than
1400 * or equal to the value of MAX_VERTEX_ATTRIBS."
1402 * Since the index refers to a buffer binding in this case, the intended
1403 * limit must be MAX_VERTEX_ATTRIB_BINDINGS. Both limits are currently
1404 * required to be the same, so in practice this doesn't matter.
1406 if (index
>= ctx
->Const
.MaxVertexAttribBindings
) {
1407 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetVertexArrayIndexed64iv(index"
1408 "%d >= the value of GL_MAX_VERTEX_ATTRIB_BINDINGS (%d))",
1409 index
, ctx
->Const
.MaxVertexAttribBindings
);
1413 params
[0] = vao
->BufferBinding
[VERT_ATTRIB_GENERIC(index
)].Offset
;
1418 _mesa_VertexPointerEXT(GLint size
, GLenum type
, GLsizei stride
,
1419 GLsizei count
, const GLvoid
*ptr
)
1422 _mesa_VertexPointer(size
, type
, stride
, ptr
);
1427 _mesa_NormalPointerEXT(GLenum type
, GLsizei stride
, GLsizei count
,
1431 _mesa_NormalPointer(type
, stride
, ptr
);
1436 _mesa_ColorPointerEXT(GLint size
, GLenum type
, GLsizei stride
, GLsizei count
,
1440 _mesa_ColorPointer(size
, type
, stride
, ptr
);
1445 _mesa_IndexPointerEXT(GLenum type
, GLsizei stride
, GLsizei count
,
1449 _mesa_IndexPointer(type
, stride
, ptr
);
1454 _mesa_TexCoordPointerEXT(GLint size
, GLenum type
, GLsizei stride
,
1455 GLsizei count
, const GLvoid
*ptr
)
1458 _mesa_TexCoordPointer(size
, type
, stride
, ptr
);
1463 _mesa_EdgeFlagPointerEXT(GLsizei stride
, GLsizei count
, const GLboolean
*ptr
)
1466 _mesa_EdgeFlagPointer(stride
, ptr
);
1471 _mesa_InterleavedArrays(GLenum format
, GLsizei stride
, const GLvoid
*pointer
)
1473 GET_CURRENT_CONTEXT(ctx
);
1474 GLboolean tflag
, cflag
, nflag
; /* enable/disable flags */
1475 GLint tcomps
, ccomps
, vcomps
; /* components per texcoord, color, vertex */
1476 GLenum ctype
= 0; /* color type */
1477 GLint coffset
= 0, noffset
= 0, voffset
;/* color, normal, vertex offsets */
1478 const GLint toffset
= 0; /* always zero */
1479 GLint defstride
; /* default stride */
1482 FLUSH_VERTICES(ctx
, 0);
1484 f
= sizeof(GLfloat
);
1485 c
= f
* ((4 * sizeof(GLubyte
) + (f
- 1)) / f
);
1488 _mesa_error( ctx
, GL_INVALID_VALUE
, "glInterleavedArrays(stride)" );
1494 tflag
= GL_FALSE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
1495 tcomps
= 0; ccomps
= 0; vcomps
= 2;
1500 tflag
= GL_FALSE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
1501 tcomps
= 0; ccomps
= 0; vcomps
= 3;
1506 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
1507 tcomps
= 0; ccomps
= 4; vcomps
= 2;
1508 ctype
= GL_UNSIGNED_BYTE
;
1511 defstride
= c
+ 2*f
;
1514 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
1515 tcomps
= 0; ccomps
= 4; vcomps
= 3;
1516 ctype
= GL_UNSIGNED_BYTE
;
1519 defstride
= c
+ 3*f
;
1522 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
1523 tcomps
= 0; ccomps
= 3; vcomps
= 3;
1530 tflag
= GL_FALSE
; cflag
= GL_FALSE
; nflag
= GL_TRUE
;
1531 tcomps
= 0; ccomps
= 0; vcomps
= 3;
1536 case GL_C4F_N3F_V3F
:
1537 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_TRUE
;
1538 tcomps
= 0; ccomps
= 4; vcomps
= 3;
1546 tflag
= GL_TRUE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
1547 tcomps
= 2; ccomps
= 0; vcomps
= 3;
1552 tflag
= GL_TRUE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
1553 tcomps
= 4; ccomps
= 0; vcomps
= 4;
1557 case GL_T2F_C4UB_V3F
:
1558 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
1559 tcomps
= 2; ccomps
= 4; vcomps
= 3;
1560 ctype
= GL_UNSIGNED_BYTE
;
1565 case GL_T2F_C3F_V3F
:
1566 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
1567 tcomps
= 2; ccomps
= 3; vcomps
= 3;
1573 case GL_T2F_N3F_V3F
:
1574 tflag
= GL_TRUE
; cflag
= GL_FALSE
; nflag
= GL_TRUE
;
1575 tcomps
= 2; ccomps
= 0; vcomps
= 3;
1580 case GL_T2F_C4F_N3F_V3F
:
1581 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_TRUE
;
1582 tcomps
= 2; ccomps
= 4; vcomps
= 3;
1589 case GL_T4F_C4F_N3F_V4F
:
1590 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_TRUE
;
1591 tcomps
= 4; ccomps
= 4; vcomps
= 4;
1599 _mesa_error( ctx
, GL_INVALID_ENUM
, "glInterleavedArrays(format)" );
1607 _mesa_DisableClientState( GL_EDGE_FLAG_ARRAY
);
1608 _mesa_DisableClientState( GL_INDEX_ARRAY
);
1609 /* XXX also disable secondary color and generic arrays? */
1613 _mesa_EnableClientState( GL_TEXTURE_COORD_ARRAY
);
1614 _mesa_TexCoordPointer( tcomps
, GL_FLOAT
, stride
,
1615 (GLubyte
*) pointer
+ toffset
);
1618 _mesa_DisableClientState( GL_TEXTURE_COORD_ARRAY
);
1623 _mesa_EnableClientState( GL_COLOR_ARRAY
);
1624 _mesa_ColorPointer( ccomps
, ctype
, stride
,
1625 (GLubyte
*) pointer
+ coffset
);
1628 _mesa_DisableClientState( GL_COLOR_ARRAY
);
1634 _mesa_EnableClientState( GL_NORMAL_ARRAY
);
1635 _mesa_NormalPointer( GL_FLOAT
, stride
, (GLubyte
*) pointer
+ noffset
);
1638 _mesa_DisableClientState( GL_NORMAL_ARRAY
);
1642 _mesa_EnableClientState( GL_VERTEX_ARRAY
);
1643 _mesa_VertexPointer( vcomps
, GL_FLOAT
, stride
,
1644 (GLubyte
*) pointer
+ voffset
);
1649 _mesa_LockArraysEXT(GLint first
, GLsizei count
)
1651 GET_CURRENT_CONTEXT(ctx
);
1653 FLUSH_VERTICES(ctx
, 0);
1655 if (MESA_VERBOSE
& VERBOSE_API
)
1656 _mesa_debug(ctx
, "glLockArrays %d %d\n", first
, count
);
1659 _mesa_error( ctx
, GL_INVALID_VALUE
, "glLockArraysEXT(first)" );
1663 _mesa_error( ctx
, GL_INVALID_VALUE
, "glLockArraysEXT(count)" );
1666 if (ctx
->Array
.LockCount
!= 0) {
1667 _mesa_error( ctx
, GL_INVALID_OPERATION
, "glLockArraysEXT(reentry)" );
1671 ctx
->Array
.LockFirst
= first
;
1672 ctx
->Array
.LockCount
= count
;
1674 ctx
->NewState
|= _NEW_ARRAY
;
1679 _mesa_UnlockArraysEXT( void )
1681 GET_CURRENT_CONTEXT(ctx
);
1683 FLUSH_VERTICES(ctx
, 0);
1685 if (MESA_VERBOSE
& VERBOSE_API
)
1686 _mesa_debug(ctx
, "glUnlockArrays\n");
1688 if (ctx
->Array
.LockCount
== 0) {
1689 _mesa_error( ctx
, GL_INVALID_OPERATION
, "glUnlockArraysEXT(reexit)" );
1693 ctx
->Array
.LockFirst
= 0;
1694 ctx
->Array
.LockCount
= 0;
1695 ctx
->NewState
|= _NEW_ARRAY
;
1699 /* GL_IBM_multimode_draw_arrays */
1701 _mesa_MultiModeDrawArraysIBM( const GLenum
* mode
, const GLint
* first
,
1702 const GLsizei
* count
,
1703 GLsizei primcount
, GLint modestride
)
1705 GET_CURRENT_CONTEXT(ctx
);
1708 FLUSH_VERTICES(ctx
, 0);
1710 for ( i
= 0 ; i
< primcount
; i
++ ) {
1711 if ( count
[i
] > 0 ) {
1712 GLenum m
= *((GLenum
*) ((GLubyte
*) mode
+ i
* modestride
));
1713 CALL_DrawArrays(ctx
->CurrentServerDispatch
, ( m
, first
[i
], count
[i
] ));
1719 /* GL_IBM_multimode_draw_arrays */
1721 _mesa_MultiModeDrawElementsIBM( const GLenum
* mode
, const GLsizei
* count
,
1722 GLenum type
, const GLvoid
* const * indices
,
1723 GLsizei primcount
, GLint modestride
)
1725 GET_CURRENT_CONTEXT(ctx
);
1728 FLUSH_VERTICES(ctx
, 0);
1730 /* XXX not sure about ARB_vertex_buffer_object handling here */
1732 for ( i
= 0 ; i
< primcount
; i
++ ) {
1733 if ( count
[i
] > 0 ) {
1734 GLenum m
= *((GLenum
*) ((GLubyte
*) mode
+ i
* modestride
));
1735 CALL_DrawElements(ctx
->CurrentServerDispatch
, ( m
, count
[i
], type
,
1743 * GL_NV_primitive_restart and GL 3.1
1746 _mesa_PrimitiveRestartIndex(GLuint index
)
1748 GET_CURRENT_CONTEXT(ctx
);
1750 if (!ctx
->Extensions
.NV_primitive_restart
&& ctx
->Version
< 31) {
1751 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPrimitiveRestartIndexNV()");
1755 if (ctx
->Array
.RestartIndex
!= index
) {
1756 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
1757 ctx
->Array
.RestartIndex
= index
;
1763 * See GL_ARB_instanced_arrays.
1764 * Note that the instance divisor only applies to generic arrays, not
1765 * the legacy vertex arrays.
1768 _mesa_VertexAttribDivisor(GLuint index
, GLuint divisor
)
1770 GET_CURRENT_CONTEXT(ctx
);
1772 const GLuint genericIndex
= VERT_ATTRIB_GENERIC(index
);
1773 struct gl_vertex_array_object
* const vao
= ctx
->Array
.VAO
;
1775 if (!_mesa_is_no_error_enabled(ctx
)) {
1776 if (!ctx
->Extensions
.ARB_instanced_arrays
) {
1777 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glVertexAttribDivisor()");
1781 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
) {
1782 _mesa_error(ctx
, GL_INVALID_VALUE
,
1783 "glVertexAttribDivisor(index = %u)", index
);
1788 assert(genericIndex
< ARRAY_SIZE(vao
->VertexAttrib
));
1790 /* The ARB_vertex_attrib_binding spec says:
1794 * void VertexAttribDivisor(uint index, uint divisor);
1796 * is equivalent to (assuming no errors are generated):
1798 * VertexAttribBinding(index, index);
1799 * VertexBindingDivisor(index, divisor);"
1801 vertex_attrib_binding(ctx
, vao
, genericIndex
, genericIndex
);
1802 vertex_binding_divisor(ctx
, vao
, genericIndex
, divisor
);
1807 _mesa_primitive_restart_index(const struct gl_context
*ctx
,
1808 unsigned index_size
)
1810 /* From the OpenGL 4.3 core specification, page 302:
1811 * "If both PRIMITIVE_RESTART and PRIMITIVE_RESTART_FIXED_INDEX are
1812 * enabled, the index value determined by PRIMITIVE_RESTART_FIXED_INDEX
1815 if (ctx
->Array
.PrimitiveRestartFixedIndex
) {
1816 switch (index_size
) {
1824 assert(!"_mesa_primitive_restart_index: Invalid index size.");
1828 return ctx
->Array
.RestartIndex
;
1833 * GL_ARB_vertex_attrib_binding
1836 vertex_array_vertex_buffer(struct gl_context
*ctx
,
1837 struct gl_vertex_array_object
*vao
,
1838 GLuint bindingIndex
, GLuint buffer
, GLintptr offset
,
1839 GLsizei stride
, const char *func
)
1841 struct gl_buffer_object
*vbo
;
1843 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1845 /* The ARB_vertex_attrib_binding spec says:
1847 * "An INVALID_VALUE error is generated if <bindingindex> is greater than
1848 * the value of MAX_VERTEX_ATTRIB_BINDINGS."
1850 if (bindingIndex
>= ctx
->Const
.MaxVertexAttribBindings
) {
1851 _mesa_error(ctx
, GL_INVALID_VALUE
,
1852 "%s(bindingindex=%u > "
1853 "GL_MAX_VERTEX_ATTRIB_BINDINGS)",
1854 func
, bindingIndex
);
1858 /* The ARB_vertex_attrib_binding spec says:
1860 * "The error INVALID_VALUE is generated if <stride> or <offset>
1864 _mesa_error(ctx
, GL_INVALID_VALUE
,
1865 "%s(offset=%" PRId64
" < 0)",
1866 func
, (int64_t) offset
);
1871 _mesa_error(ctx
, GL_INVALID_VALUE
,
1872 "%s(stride=%d < 0)", func
, stride
);
1876 if (((ctx
->API
== API_OPENGL_CORE
&& ctx
->Version
>= 44) || _mesa_is_gles31(ctx
)) &&
1877 stride
> ctx
->Const
.MaxVertexAttribStride
) {
1878 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(stride=%d > "
1879 "GL_MAX_VERTEX_ATTRIB_STRIDE)", func
, stride
);
1884 vao
->BufferBinding
[VERT_ATTRIB_GENERIC(bindingIndex
)].BufferObj
->Name
) {
1885 vbo
= vao
->BufferBinding
[VERT_ATTRIB_GENERIC(bindingIndex
)].BufferObj
;
1886 } else if (buffer
!= 0) {
1887 vbo
= _mesa_lookup_bufferobj(ctx
, buffer
);
1889 if (!vbo
&& _mesa_is_gles31(ctx
)) {
1890 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(non-gen name)", func
);
1893 /* From the GL_ARB_vertex_attrib_array spec:
1895 * "[Core profile only:]
1896 * An INVALID_OPERATION error is generated if buffer is not zero or a
1897 * name returned from a previous call to GenBuffers, or if such a name
1898 * has since been deleted with DeleteBuffers.
1900 * Otherwise, we fall back to the same compat profile behavior as other
1901 * object references (automatically gen it).
1903 if (!_mesa_handle_bind_buffer_gen(ctx
, buffer
, &vbo
, func
))
1906 /* The ARB_vertex_attrib_binding spec says:
1908 * "If <buffer> is zero, any buffer object attached to this
1909 * bindpoint is detached."
1911 vbo
= ctx
->Shared
->NullBufferObj
;
1914 _mesa_bind_vertex_buffer(ctx
, vao
, VERT_ATTRIB_GENERIC(bindingIndex
),
1915 vbo
, offset
, stride
);
1920 _mesa_BindVertexBuffer(GLuint bindingIndex
, GLuint buffer
, GLintptr offset
,
1923 GET_CURRENT_CONTEXT(ctx
);
1925 /* The ARB_vertex_attrib_binding spec says:
1927 * "An INVALID_OPERATION error is generated if no vertex array object
1930 if ((ctx
->API
== API_OPENGL_CORE
|| _mesa_is_gles31(ctx
)) &&
1931 ctx
->Array
.VAO
== ctx
->Array
.DefaultVAO
) {
1932 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1933 "glBindVertexBuffer(No array object bound)");
1937 vertex_array_vertex_buffer(ctx
, ctx
->Array
.VAO
, bindingIndex
,
1938 buffer
, offset
, stride
, "glBindVertexBuffer");
1943 _mesa_VertexArrayVertexBuffer(GLuint vaobj
, GLuint bindingIndex
, GLuint buffer
,
1944 GLintptr offset
, GLsizei stride
)
1946 GET_CURRENT_CONTEXT(ctx
);
1947 struct gl_vertex_array_object
*vao
;
1949 /* The ARB_direct_state_access specification says:
1951 * "An INVALID_OPERATION error is generated by VertexArrayVertexBuffer
1952 * if <vaobj> is not [compatibility profile: zero or] the name of an
1953 * existing vertex array object."
1955 vao
= _mesa_lookup_vao_err(ctx
, vaobj
, "glVertexArrayVertexBuffer");
1959 vertex_array_vertex_buffer(ctx
, vao
, bindingIndex
,
1960 buffer
, offset
, stride
,
1961 "glVertexArrayVertexBuffer");
1966 vertex_array_vertex_buffers(struct gl_context
*ctx
,
1967 struct gl_vertex_array_object
*vao
,
1968 GLuint first
, GLsizei count
, const GLuint
*buffers
,
1969 const GLintptr
*offsets
, const GLsizei
*strides
,
1974 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1976 /* The ARB_multi_bind spec says:
1978 * "An INVALID_OPERATION error is generated if <first> + <count>
1979 * is greater than the value of MAX_VERTEX_ATTRIB_BINDINGS."
1981 if (first
+ count
> ctx
->Const
.MaxVertexAttribBindings
) {
1982 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1983 "%s(first=%u + count=%d > the value of "
1984 "GL_MAX_VERTEX_ATTRIB_BINDINGS=%u)",
1985 func
, first
, count
, ctx
->Const
.MaxVertexAttribBindings
);
1991 * The ARB_multi_bind spec says:
1993 * "If <buffers> is NULL, each affected vertex buffer binding point
1994 * from <first> through <first>+<count>-1 will be reset to have no
1995 * bound buffer object. In this case, the offsets and strides
1996 * associated with the binding points are set to default values,
1997 * ignoring <offsets> and <strides>."
1999 struct gl_buffer_object
*vbo
= ctx
->Shared
->NullBufferObj
;
2001 for (i
= 0; i
< count
; i
++)
2002 _mesa_bind_vertex_buffer(ctx
, vao
, VERT_ATTRIB_GENERIC(first
+ i
),
2008 /* Note that the error semantics for multi-bind commands differ from
2009 * those of other GL commands.
2011 * The Issues section in the ARB_multi_bind spec says:
2013 * "(11) Typically, OpenGL specifies that if an error is generated by
2014 * a command, that command has no effect. This is somewhat
2015 * unfortunate for multi-bind commands, because it would require
2016 * a first pass to scan the entire list of bound objects for
2017 * errors and then a second pass to actually perform the
2018 * bindings. Should we have different error semantics?
2020 * RESOLVED: Yes. In this specification, when the parameters for
2021 * one of the <count> binding points are invalid, that binding
2022 * point is not updated and an error will be generated. However,
2023 * other binding points in the same command will be updated if
2024 * their parameters are valid and no other error occurs."
2027 _mesa_HashLockMutex(ctx
->Shared
->BufferObjects
);
2029 for (i
= 0; i
< count
; i
++) {
2030 struct gl_buffer_object
*vbo
;
2032 /* The ARB_multi_bind spec says:
2034 * "An INVALID_VALUE error is generated if any value in
2035 * <offsets> or <strides> is negative (per binding)."
2037 if (offsets
[i
] < 0) {
2038 _mesa_error(ctx
, GL_INVALID_VALUE
,
2039 "%s(offsets[%u]=%" PRId64
" < 0)",
2040 func
, i
, (int64_t) offsets
[i
]);
2044 if (strides
[i
] < 0) {
2045 _mesa_error(ctx
, GL_INVALID_VALUE
,
2046 "%s(strides[%u]=%d < 0)",
2047 func
, i
, strides
[i
]);
2051 if (ctx
->API
== API_OPENGL_CORE
&& ctx
->Version
>= 44 &&
2052 strides
[i
] > ctx
->Const
.MaxVertexAttribStride
) {
2053 _mesa_error(ctx
, GL_INVALID_VALUE
,
2054 "%s(strides[%u]=%d > "
2055 "GL_MAX_VERTEX_ATTRIB_STRIDE)", func
, i
, strides
[i
]);
2060 struct gl_vertex_buffer_binding
*binding
=
2061 &vao
->BufferBinding
[VERT_ATTRIB_GENERIC(first
+ i
)];
2063 if (buffers
[i
] == binding
->BufferObj
->Name
)
2064 vbo
= binding
->BufferObj
;
2066 vbo
= _mesa_multi_bind_lookup_bufferobj(ctx
, buffers
, i
, func
);
2071 vbo
= ctx
->Shared
->NullBufferObj
;
2074 _mesa_bind_vertex_buffer(ctx
, vao
, VERT_ATTRIB_GENERIC(first
+ i
),
2075 vbo
, offsets
[i
], strides
[i
]);
2078 _mesa_HashUnlockMutex(ctx
->Shared
->BufferObjects
);
2083 _mesa_BindVertexBuffers(GLuint first
, GLsizei count
, const GLuint
*buffers
,
2084 const GLintptr
*offsets
, const GLsizei
*strides
)
2086 GET_CURRENT_CONTEXT(ctx
);
2088 /* The ARB_vertex_attrib_binding spec says:
2090 * "An INVALID_OPERATION error is generated if no
2091 * vertex array object is bound."
2093 if (ctx
->API
== API_OPENGL_CORE
&&
2094 ctx
->Array
.VAO
== ctx
->Array
.DefaultVAO
) {
2095 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2096 "glBindVertexBuffers(No array object bound)");
2100 vertex_array_vertex_buffers(ctx
, ctx
->Array
.VAO
, first
, count
,
2101 buffers
, offsets
, strides
,
2102 "glBindVertexBuffers");
2107 _mesa_VertexArrayVertexBuffers(GLuint vaobj
, GLuint first
, GLsizei count
,
2108 const GLuint
*buffers
,
2109 const GLintptr
*offsets
, const GLsizei
*strides
)
2111 GET_CURRENT_CONTEXT(ctx
);
2112 struct gl_vertex_array_object
*vao
;
2114 /* The ARB_direct_state_access specification says:
2116 * "An INVALID_OPERATION error is generated by VertexArrayVertexBuffer
2117 * if <vaobj> is not [compatibility profile: zero or] the name of an
2118 * existing vertex array object."
2120 vao
= _mesa_lookup_vao_err(ctx
, vaobj
, "glVertexArrayVertexBuffers");
2124 vertex_array_vertex_buffers(ctx
, vao
, first
, count
,
2125 buffers
, offsets
, strides
,
2126 "glVertexArrayVertexBuffers");
2131 vertex_attrib_format(GLuint attribIndex
, GLint size
, GLenum type
,
2132 GLboolean normalized
, GLboolean integer
,
2133 GLboolean doubles
, GLbitfield legalTypes
,
2134 GLsizei sizeMax
, GLuint relativeOffset
,
2137 GET_CURRENT_CONTEXT(ctx
);
2138 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2140 GLenum format
= get_array_format(ctx
, sizeMax
, &size
);
2142 if (!_mesa_is_no_error_enabled(ctx
)) {
2143 /* The ARB_vertex_attrib_binding spec says:
2145 * "An INVALID_OPERATION error is generated under any of the
2146 * following conditions:
2147 * - if no vertex array object is currently bound (see section
2151 * This error condition only applies to VertexAttribFormat and
2152 * VertexAttribIFormat in the extension spec, but we assume that this
2153 * is an oversight. In the OpenGL 4.3 (Core Profile) spec, it applies
2154 * to all three functions.
2156 if ((ctx
->API
== API_OPENGL_CORE
|| _mesa_is_gles31(ctx
)) &&
2157 ctx
->Array
.VAO
== ctx
->Array
.DefaultVAO
) {
2158 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2159 "%s(No array object bound)", func
);
2163 /* The ARB_vertex_attrib_binding spec says:
2165 * "The error INVALID_VALUE is generated if index is greater than or
2166 * equal to the value of MAX_VERTEX_ATTRIBS."
2168 if (attribIndex
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
) {
2169 _mesa_error(ctx
, GL_INVALID_VALUE
,
2170 "%s(attribindex=%u > "
2171 "GL_MAX_VERTEX_ATTRIBS)",
2176 if (!validate_array_format(ctx
, func
, ctx
->Array
.VAO
,
2177 VERT_ATTRIB_GENERIC(attribIndex
),
2178 legalTypes
, 1, sizeMax
, size
, type
,
2179 normalized
, integer
, doubles
, relativeOffset
,
2185 FLUSH_VERTICES(ctx
, 0);
2187 _mesa_update_array_format(ctx
, ctx
->Array
.VAO
,
2188 VERT_ATTRIB_GENERIC(attribIndex
), size
, type
,
2189 format
, normalized
, integer
, doubles
,
2195 _mesa_VertexAttribFormat(GLuint attribIndex
, GLint size
, GLenum type
,
2196 GLboolean normalized
, GLuint relativeOffset
)
2198 vertex_attrib_format(attribIndex
, size
, type
, normalized
,
2199 GL_FALSE
, GL_FALSE
, ATTRIB_FORMAT_TYPES_MASK
,
2200 BGRA_OR_4
, relativeOffset
,
2201 "glVertexAttribFormat");
2206 _mesa_VertexAttribIFormat(GLuint attribIndex
, GLint size
, GLenum type
,
2207 GLuint relativeOffset
)
2209 vertex_attrib_format(attribIndex
, size
, type
, GL_FALSE
,
2210 GL_TRUE
, GL_FALSE
, ATTRIB_IFORMAT_TYPES_MASK
, 4,
2211 relativeOffset
, "glVertexAttribIFormat");
2216 _mesa_VertexAttribLFormat(GLuint attribIndex
, GLint size
, GLenum type
,
2217 GLuint relativeOffset
)
2219 vertex_attrib_format(attribIndex
, size
, type
, GL_FALSE
, GL_FALSE
,
2220 GL_TRUE
, ATTRIB_LFORMAT_TYPES_MASK
, 4,
2221 relativeOffset
, "glVertexAttribLFormat");
2226 vertex_array_attrib_format(GLuint vaobj
, GLuint attribIndex
, GLint size
,
2227 GLenum type
, GLboolean normalized
,
2228 GLboolean integer
, GLboolean doubles
,
2229 GLbitfield legalTypes
, GLsizei sizeMax
,
2230 GLuint relativeOffset
, const char *func
)
2232 GET_CURRENT_CONTEXT(ctx
);
2233 struct gl_vertex_array_object
*vao
;
2235 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2237 GLenum format
= get_array_format(ctx
, sizeMax
, &size
);
2239 if (_mesa_is_no_error_enabled(ctx
)) {
2240 vao
= _mesa_lookup_vao(ctx
, vaobj
);
2244 /* The ARB_direct_state_access spec says:
2246 * "An INVALID_OPERATION error is generated by
2247 * VertexArrayAttrib*Format if <vaobj> is not [compatibility profile:
2248 * zero or] the name of an existing vertex array object."
2250 vao
= _mesa_lookup_vao_err(ctx
, vaobj
, func
);
2254 /* The ARB_vertex_attrib_binding spec says:
2256 * "The error INVALID_VALUE is generated if index is greater than or
2257 * equal to the value of MAX_VERTEX_ATTRIBS."
2259 if (attribIndex
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
) {
2260 _mesa_error(ctx
, GL_INVALID_VALUE
,
2261 "%s(attribindex=%u > GL_MAX_VERTEX_ATTRIBS)",
2266 if (!validate_array_format(ctx
, func
, vao
,
2267 VERT_ATTRIB_GENERIC(attribIndex
),
2268 legalTypes
, 1, sizeMax
, size
, type
,
2269 normalized
, integer
, doubles
, relativeOffset
,
2275 FLUSH_VERTICES(ctx
, 0);
2277 _mesa_update_array_format(ctx
, vao
, VERT_ATTRIB_GENERIC(attribIndex
), size
,
2278 type
, format
, normalized
, integer
, doubles
,
2284 _mesa_VertexArrayAttribFormat(GLuint vaobj
, GLuint attribIndex
, GLint size
,
2285 GLenum type
, GLboolean normalized
,
2286 GLuint relativeOffset
)
2288 vertex_array_attrib_format(vaobj
, attribIndex
, size
, type
, normalized
,
2289 GL_FALSE
, GL_FALSE
, ATTRIB_FORMAT_TYPES_MASK
,
2290 BGRA_OR_4
, relativeOffset
,
2291 "glVertexArrayAttribFormat");
2296 _mesa_VertexArrayAttribIFormat(GLuint vaobj
, GLuint attribIndex
,
2297 GLint size
, GLenum type
,
2298 GLuint relativeOffset
)
2300 vertex_array_attrib_format(vaobj
, attribIndex
, size
, type
, GL_FALSE
,
2301 GL_TRUE
, GL_FALSE
, ATTRIB_IFORMAT_TYPES_MASK
,
2303 "glVertexArrayAttribIFormat");
2308 _mesa_VertexArrayAttribLFormat(GLuint vaobj
, GLuint attribIndex
,
2309 GLint size
, GLenum type
,
2310 GLuint relativeOffset
)
2312 vertex_array_attrib_format(vaobj
, attribIndex
, size
, type
, GL_FALSE
,
2313 GL_FALSE
, GL_TRUE
, ATTRIB_LFORMAT_TYPES_MASK
,
2315 "glVertexArrayAttribLFormat");
2320 vertex_array_attrib_binding(struct gl_context
*ctx
,
2321 struct gl_vertex_array_object
*vao
,
2322 GLuint attribIndex
, GLuint bindingIndex
,
2325 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2327 /* The ARB_vertex_attrib_binding spec says:
2329 * "<attribindex> must be less than the value of MAX_VERTEX_ATTRIBS and
2330 * <bindingindex> must be less than the value of
2331 * MAX_VERTEX_ATTRIB_BINDINGS, otherwise the error INVALID_VALUE
2334 if (attribIndex
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
) {
2335 _mesa_error(ctx
, GL_INVALID_VALUE
,
2336 "%s(attribindex=%u >= "
2337 "GL_MAX_VERTEX_ATTRIBS)",
2342 if (bindingIndex
>= ctx
->Const
.MaxVertexAttribBindings
) {
2343 _mesa_error(ctx
, GL_INVALID_VALUE
,
2344 "%s(bindingindex=%u >= "
2345 "GL_MAX_VERTEX_ATTRIB_BINDINGS)",
2346 func
, bindingIndex
);
2350 assert(VERT_ATTRIB_GENERIC(attribIndex
) < ARRAY_SIZE(vao
->VertexAttrib
));
2352 vertex_attrib_binding(ctx
, vao
,
2353 VERT_ATTRIB_GENERIC(attribIndex
),
2354 VERT_ATTRIB_GENERIC(bindingIndex
));
2359 _mesa_VertexAttribBinding(GLuint attribIndex
, GLuint bindingIndex
)
2361 GET_CURRENT_CONTEXT(ctx
);
2363 /* The ARB_vertex_attrib_binding spec says:
2365 * "An INVALID_OPERATION error is generated if no vertex array object
2368 if ((ctx
->API
== API_OPENGL_CORE
|| _mesa_is_gles31(ctx
)) &&
2369 ctx
->Array
.VAO
== ctx
->Array
.DefaultVAO
) {
2370 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2371 "glVertexAttribBinding(No array object bound)");
2375 vertex_array_attrib_binding(ctx
, ctx
->Array
.VAO
,
2376 attribIndex
, bindingIndex
,
2377 "glVertexAttribBinding");
2382 _mesa_VertexArrayAttribBinding(GLuint vaobj
, GLuint attribIndex
, GLuint bindingIndex
)
2384 GET_CURRENT_CONTEXT(ctx
);
2385 struct gl_vertex_array_object
*vao
;
2387 /* The ARB_direct_state_access specification says:
2389 * "An INVALID_OPERATION error is generated by VertexArrayAttribBinding
2390 * if <vaobj> is not [compatibility profile: zero or] the name of an
2391 * existing vertex array object."
2393 vao
= _mesa_lookup_vao_err(ctx
, vaobj
, "glVertexArrayAttribBinding");
2397 vertex_array_attrib_binding(ctx
, vao
, attribIndex
, bindingIndex
,
2398 "glVertexArrayAttribBinding");
2403 vertex_array_binding_divisor(struct gl_context
*ctx
,
2404 struct gl_vertex_array_object
*vao
,
2405 GLuint bindingIndex
, GLuint divisor
,
2408 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2410 if (!ctx
->Extensions
.ARB_instanced_arrays
) {
2411 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s()", func
);
2415 /* The ARB_vertex_attrib_binding spec says:
2417 * "An INVALID_VALUE error is generated if <bindingindex> is greater
2418 * than or equal to the value of MAX_VERTEX_ATTRIB_BINDINGS."
2420 if (bindingIndex
>= ctx
->Const
.MaxVertexAttribBindings
) {
2421 _mesa_error(ctx
, GL_INVALID_VALUE
,
2422 "%s(bindingindex=%u > "
2423 "GL_MAX_VERTEX_ATTRIB_BINDINGS)",
2424 func
, bindingIndex
);
2428 vertex_binding_divisor(ctx
, vao
, VERT_ATTRIB_GENERIC(bindingIndex
), divisor
);
2433 _mesa_VertexBindingDivisor(GLuint bindingIndex
, GLuint divisor
)
2435 GET_CURRENT_CONTEXT(ctx
);
2437 /* The ARB_vertex_attrib_binding spec says:
2439 * "An INVALID_OPERATION error is generated if no vertex array object
2442 if ((ctx
->API
== API_OPENGL_CORE
|| _mesa_is_gles31(ctx
)) &&
2443 ctx
->Array
.VAO
== ctx
->Array
.DefaultVAO
) {
2444 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2445 "glVertexBindingDivisor(No array object bound)");
2449 vertex_array_binding_divisor(ctx
, ctx
->Array
.VAO
,
2450 bindingIndex
, divisor
,
2451 "glVertexBindingDivisor");
2456 _mesa_VertexArrayBindingDivisor(GLuint vaobj
, GLuint bindingIndex
,
2459 struct gl_vertex_array_object
*vao
;
2460 GET_CURRENT_CONTEXT(ctx
);
2462 /* The ARB_direct_state_access specification says:
2464 * "An INVALID_OPERATION error is generated by VertexArrayBindingDivisor
2465 * if <vaobj> is not [compatibility profile: zero or] the name of an
2466 * existing vertex array object."
2468 vao
= _mesa_lookup_vao_err(ctx
, vaobj
, "glVertexArrayBindingDivisor");
2472 vertex_array_binding_divisor(ctx
, vao
, bindingIndex
, divisor
,
2473 "glVertexArrayBindingDivisor");
2478 * Copy one client vertex array to another.
2481 _mesa_copy_client_array(struct gl_context
*ctx
,
2482 struct gl_vertex_array
*dst
,
2483 struct gl_vertex_array
*src
)
2485 dst
->Size
= src
->Size
;
2486 dst
->Type
= src
->Type
;
2487 dst
->Format
= src
->Format
;
2488 dst
->StrideB
= src
->StrideB
;
2489 dst
->Ptr
= src
->Ptr
;
2490 dst
->Normalized
= src
->Normalized
;
2491 dst
->Integer
= src
->Integer
;
2492 dst
->Doubles
= src
->Doubles
;
2493 dst
->InstanceDivisor
= src
->InstanceDivisor
;
2494 dst
->_ElementSize
= src
->_ElementSize
;
2495 _mesa_reference_buffer_object(ctx
, &dst
->BufferObj
, src
->BufferObj
);
2499 _mesa_copy_vertex_attrib_array(struct gl_context
*ctx
,
2500 struct gl_array_attributes
*dst
,
2501 const struct gl_array_attributes
*src
)
2503 dst
->Size
= src
->Size
;
2504 dst
->Type
= src
->Type
;
2505 dst
->Format
= src
->Format
;
2506 dst
->BufferBindingIndex
= src
->BufferBindingIndex
;
2507 dst
->RelativeOffset
= src
->RelativeOffset
;
2508 dst
->Format
= src
->Format
;
2509 dst
->Integer
= src
->Integer
;
2510 dst
->Doubles
= src
->Doubles
;
2511 dst
->Normalized
= src
->Normalized
;
2512 dst
->Ptr
= src
->Ptr
;
2513 dst
->Enabled
= src
->Enabled
;
2514 dst
->_ElementSize
= src
->_ElementSize
;
2518 _mesa_copy_vertex_buffer_binding(struct gl_context
*ctx
,
2519 struct gl_vertex_buffer_binding
*dst
,
2520 const struct gl_vertex_buffer_binding
*src
)
2522 dst
->Offset
= src
->Offset
;
2523 dst
->Stride
= src
->Stride
;
2524 dst
->InstanceDivisor
= src
->InstanceDivisor
;
2525 dst
->_BoundArrays
= src
->_BoundArrays
;
2527 _mesa_reference_buffer_object(ctx
, &dst
->BufferObj
, src
->BufferObj
);
2531 * Print current vertex object/array info. For debug.
2534 _mesa_print_arrays(struct gl_context
*ctx
)
2536 const struct gl_vertex_array_object
*vao
= ctx
->Array
.VAO
;
2538 fprintf(stderr
, "Array Object %u\n", vao
->Name
);
2541 for (i
= 0; i
< VERT_ATTRIB_MAX
; ++i
) {
2542 const struct gl_array_attributes
*array
= &vao
->VertexAttrib
[i
];
2543 if (!array
->Enabled
)
2546 const struct gl_vertex_buffer_binding
*binding
=
2547 &vao
->BufferBinding
[array
->BufferBindingIndex
];
2548 const struct gl_buffer_object
*bo
= binding
->BufferObj
;
2550 fprintf(stderr
, " %s: Ptr=%p, Type=%s, Size=%d, ElemSize=%u, "
2551 "Stride=%d, Buffer=%u(Size %lu)\n",
2552 gl_vert_attrib_name((gl_vert_attrib
)i
),
2553 array
->Ptr
, _mesa_enum_to_string(array
->Type
), array
->Size
,
2554 array
->_ElementSize
, binding
->Stride
, bo
->Name
,
2555 (unsigned long) bo
->Size
);
2561 * Initialize vertex array state for given context.
2564 _mesa_init_varray(struct gl_context
*ctx
)
2566 ctx
->Array
.DefaultVAO
= _mesa_new_vao(ctx
, 0);
2567 _mesa_reference_vao(ctx
, &ctx
->Array
.VAO
, ctx
->Array
.DefaultVAO
);
2568 ctx
->Array
.ActiveTexture
= 0; /* GL_ARB_multitexture */
2570 ctx
->Array
.Objects
= _mesa_NewHashTable();
2575 * Callback for deleting an array object. Called by _mesa_HashDeleteAll().
2578 delete_arrayobj_cb(GLuint id
, void *data
, void *userData
)
2580 struct gl_vertex_array_object
*vao
= (struct gl_vertex_array_object
*) data
;
2581 struct gl_context
*ctx
= (struct gl_context
*) userData
;
2582 _mesa_delete_vao(ctx
, vao
);
2587 * Free vertex array state for given context.
2590 _mesa_free_varray_data(struct gl_context
*ctx
)
2592 _mesa_HashDeleteAll(ctx
->Array
.Objects
, delete_arrayobj_cb
, ctx
);
2593 _mesa_DeleteHashTable(ctx
->Array
.Objects
);