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 _mesa_is_desktop_gl(ctx
) ? 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 /* Page 407 (page 423 of the PDF) of the OpenGL 3.0 spec says:
138 * "Client vertex arrays - all vertex array attribute pointers must
139 * refer to buffer objects (section 2.9.2). The default vertex array
140 * object (the name zero) is also deprecated. Calling
141 * VertexAttribPointer when no buffer object or no vertex array object
142 * is bound will generate an INVALID_OPERATION error..."
144 * The check for VBOs is handled below.
146 if (ctx
->API
== API_OPENGL_CORE
147 && (ctx
->Array
.ArrayObj
== ctx
->Array
.DefaultArrayObj
)) {
148 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(no array object bound)",
153 if (_mesa_is_gles(ctx
)) {
154 /* Once Mesa gets support for GL_OES_vertex_half_float this mask will
155 * change. Adding support for this extension isn't quite as trivial as
156 * we'd like because ES uses a different enum value for GL_HALF_FLOAT.
158 legalTypesMask
&= ~(FIXED_GL_BIT
| HALF_BIT
| DOUBLE_BIT
);
160 /* GL_INT and GL_UNSIGNED_INT data is not allowed in OpenGL ES until
161 * 3.0. The 2_10_10_10 types are added in OpenGL ES 3.0 or
162 * GL_OES_vertex_type_10_10_10_2.
164 if (ctx
->Version
< 30) {
165 legalTypesMask
&= ~(UNSIGNED_INT_BIT
167 | UNSIGNED_INT_2_10_10_10_REV_BIT
168 | INT_2_10_10_10_REV_BIT
);
171 /* BGRA ordering is not supported in ES contexts.
173 if (sizeMax
== BGRA_OR_4
)
176 legalTypesMask
&= ~FIXED_ES_BIT
;
178 if (!ctx
->Extensions
.ARB_ES2_compatibility
)
179 legalTypesMask
&= ~FIXED_GL_BIT
;
181 if (!ctx
->Extensions
.ARB_vertex_type_2_10_10_10_rev
)
182 legalTypesMask
&= ~(UNSIGNED_INT_2_10_10_10_REV_BIT
|
183 INT_2_10_10_10_REV_BIT
);
186 typeBit
= type_to_bit(ctx
, type
);
187 if (typeBit
== 0x0 || (typeBit
& legalTypesMask
) == 0x0) {
188 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(type = %s)",
189 func
, _mesa_lookup_enum_by_nr(type
));
193 /* Do size parameter checking.
194 * If sizeMax = BGRA_OR_4 it means that size = GL_BGRA is legal and
195 * must be handled specially.
197 if (ctx
->Extensions
.EXT_vertex_array_bgra
&&
198 sizeMax
== BGRA_OR_4
&&
200 GLboolean bgra_error
= GL_FALSE
;
202 if (ctx
->Extensions
.ARB_vertex_type_2_10_10_10_rev
) {
203 if (type
!= GL_UNSIGNED_INT_2_10_10_10_REV
&&
204 type
!= GL_INT_2_10_10_10_REV
&&
205 type
!= GL_UNSIGNED_BYTE
)
206 bgra_error
= GL_TRUE
;
207 } else if (type
!= GL_UNSIGNED_BYTE
)
208 bgra_error
= GL_TRUE
;
211 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(GL_BGRA/GLubyte)", func
);
217 else if (size
< sizeMin
|| size
> sizeMax
|| size
> 4) {
218 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d)", func
, size
);
222 if (ctx
->Extensions
.ARB_vertex_type_2_10_10_10_rev
&&
223 (type
== GL_UNSIGNED_INT_2_10_10_10_REV
||
224 type
== GL_INT_2_10_10_10_REV
) && size
!= 4) {
225 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(size=%d)", func
, size
);
232 _mesa_error( ctx
, GL_INVALID_VALUE
, "%s(stride=%d)", func
, stride
);
236 if (ctx
->Array
.ArrayObj
->ARBsemantics
&&
237 !_mesa_is_bufferobj(ctx
->Array
.ArrayBufferObj
)) {
238 /* GL_ARB_vertex_array_object requires that all arrays reside in VBOs.
239 * Generate GL_INVALID_OPERATION if that's not true.
241 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(non-VBO array)", func
);
245 elementSize
= _mesa_sizeof_type(type
) * size
;
247 array
= &ctx
->Array
.ArrayObj
->VertexAttrib
[attrib
];
250 array
->Format
= format
;
251 array
->Stride
= stride
;
252 array
->StrideB
= stride
? stride
: elementSize
;
253 array
->Normalized
= normalized
;
254 array
->Integer
= integer
;
255 array
->Ptr
= (const GLubyte
*) ptr
;
256 array
->_ElementSize
= elementSize
;
258 _mesa_reference_buffer_object(ctx
, &array
->BufferObj
,
259 ctx
->Array
.ArrayBufferObj
);
261 ctx
->NewState
|= _NEW_ARRAY
;
262 ctx
->Array
.ArrayObj
->NewArrays
|= VERT_BIT(attrib
);
267 _mesa_VertexPointer(GLint size
, GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
269 GET_CURRENT_CONTEXT(ctx
);
270 GLbitfield legalTypes
= (ctx
->API
== API_OPENGLES
)
271 ? (BYTE_BIT
| SHORT_BIT
| FLOAT_BIT
| FIXED_ES_BIT
)
272 : (SHORT_BIT
| INT_BIT
| FLOAT_BIT
|
273 DOUBLE_BIT
| HALF_BIT
|
274 UNSIGNED_INT_2_10_10_10_REV_BIT
|
275 INT_2_10_10_10_REV_BIT
);
276 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
278 update_array(ctx
, "glVertexPointer", VERT_ATTRIB_POS
,
280 size
, type
, stride
, GL_FALSE
, GL_FALSE
, ptr
);
285 _mesa_NormalPointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
287 GET_CURRENT_CONTEXT(ctx
);
288 const GLbitfield legalTypes
= (ctx
->API
== API_OPENGLES
)
289 ? (BYTE_BIT
| SHORT_BIT
| FLOAT_BIT
| FIXED_ES_BIT
)
290 : (BYTE_BIT
| SHORT_BIT
| INT_BIT
|
291 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
292 UNSIGNED_INT_2_10_10_10_REV_BIT
|
293 INT_2_10_10_10_REV_BIT
);
294 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
296 update_array(ctx
, "glNormalPointer", VERT_ATTRIB_NORMAL
,
298 3, type
, stride
, GL_TRUE
, GL_FALSE
, ptr
);
303 _mesa_ColorPointer(GLint size
, GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
305 GET_CURRENT_CONTEXT(ctx
);
306 const GLbitfield legalTypes
= (ctx
->API
== API_OPENGLES
)
307 ? (UNSIGNED_BYTE_BIT
| HALF_BIT
| FLOAT_BIT
| FIXED_ES_BIT
)
308 : (BYTE_BIT
| UNSIGNED_BYTE_BIT
|
309 SHORT_BIT
| UNSIGNED_SHORT_BIT
|
310 INT_BIT
| UNSIGNED_INT_BIT
|
311 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
312 UNSIGNED_INT_2_10_10_10_REV_BIT
|
313 INT_2_10_10_10_REV_BIT
);
314 const GLint sizeMin
= (ctx
->API
== API_OPENGLES
) ? 4 : 3;
315 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
317 update_array(ctx
, "glColorPointer", VERT_ATTRIB_COLOR0
,
318 legalTypes
, sizeMin
, BGRA_OR_4
,
319 size
, type
, stride
, GL_TRUE
, GL_FALSE
, ptr
);
324 _mesa_FogCoordPointerEXT(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
326 const GLbitfield legalTypes
= (HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
);
327 GET_CURRENT_CONTEXT(ctx
);
328 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
330 update_array(ctx
, "glFogCoordPointer", VERT_ATTRIB_FOG
,
332 1, type
, stride
, GL_FALSE
, GL_FALSE
, ptr
);
337 _mesa_IndexPointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
339 const GLbitfield legalTypes
= (UNSIGNED_BYTE_BIT
| SHORT_BIT
| INT_BIT
|
340 FLOAT_BIT
| DOUBLE_BIT
);
341 GET_CURRENT_CONTEXT(ctx
);
342 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
344 update_array(ctx
, "glIndexPointer", VERT_ATTRIB_COLOR_INDEX
,
346 1, type
, stride
, GL_FALSE
, GL_FALSE
, ptr
);
351 _mesa_SecondaryColorPointerEXT(GLint size
, GLenum type
,
352 GLsizei stride
, const GLvoid
*ptr
)
354 const GLbitfield legalTypes
= (BYTE_BIT
| UNSIGNED_BYTE_BIT
|
355 SHORT_BIT
| UNSIGNED_SHORT_BIT
|
356 INT_BIT
| UNSIGNED_INT_BIT
|
357 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
358 UNSIGNED_INT_2_10_10_10_REV_BIT
|
359 INT_2_10_10_10_REV_BIT
);
360 GET_CURRENT_CONTEXT(ctx
);
361 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
363 update_array(ctx
, "glSecondaryColorPointer", VERT_ATTRIB_COLOR1
,
364 legalTypes
, 3, BGRA_OR_4
,
365 size
, type
, stride
, GL_TRUE
, GL_FALSE
, ptr
);
370 _mesa_TexCoordPointer(GLint size
, GLenum type
, GLsizei stride
,
373 GET_CURRENT_CONTEXT(ctx
);
374 GLbitfield legalTypes
= (ctx
->API
== API_OPENGLES
)
375 ? (BYTE_BIT
| SHORT_BIT
| FLOAT_BIT
| FIXED_ES_BIT
)
376 : (SHORT_BIT
| INT_BIT
|
377 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
378 UNSIGNED_INT_2_10_10_10_REV_BIT
|
379 INT_2_10_10_10_REV_BIT
);
380 const GLint sizeMin
= (ctx
->API
== API_OPENGLES
) ? 2 : 1;
381 const GLuint unit
= ctx
->Array
.ActiveTexture
;
382 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
384 update_array(ctx
, "glTexCoordPointer", VERT_ATTRIB_TEX(unit
),
385 legalTypes
, sizeMin
, 4,
386 size
, type
, stride
, GL_FALSE
, GL_FALSE
,
392 _mesa_EdgeFlagPointer(GLsizei stride
, const GLvoid
*ptr
)
394 const GLbitfield legalTypes
= UNSIGNED_BYTE_BIT
;
395 /* see table 2.4 edits in GL_EXT_gpu_shader4 spec: */
396 const GLboolean integer
= GL_TRUE
;
397 GET_CURRENT_CONTEXT(ctx
);
398 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
400 update_array(ctx
, "glEdgeFlagPointer", VERT_ATTRIB_EDGEFLAG
,
402 1, GL_UNSIGNED_BYTE
, stride
, GL_FALSE
, integer
, ptr
);
407 _mesa_PointSizePointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
409 const GLbitfield legalTypes
= (FLOAT_BIT
| FIXED_ES_BIT
);
410 GET_CURRENT_CONTEXT(ctx
);
411 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
413 if (ctx
->API
!= API_OPENGLES
) {
414 _mesa_error(ctx
, GL_INVALID_OPERATION
,
415 "glPointSizePointer(ES 1.x only)");
419 update_array(ctx
, "glPointSizePointer", VERT_ATTRIB_POINT_SIZE
,
421 1, type
, stride
, GL_FALSE
, GL_FALSE
, ptr
);
425 #if FEATURE_NV_vertex_program
427 * Set a vertex attribute array.
428 * Note that these arrays DO alias the conventional GL vertex arrays
429 * (position, normal, color, fog, texcoord, etc).
430 * The generic attribute slots at #16 and above are not touched.
433 _mesa_VertexAttribPointerNV(GLuint index
, GLint size
, GLenum type
,
434 GLsizei stride
, const GLvoid
*ptr
)
436 const GLbitfield legalTypes
= (UNSIGNED_BYTE_BIT
| SHORT_BIT
|
437 FLOAT_BIT
| DOUBLE_BIT
);
438 GLboolean normalized
= GL_FALSE
;
439 GET_CURRENT_CONTEXT(ctx
);
440 ASSERT_OUTSIDE_BEGIN_END(ctx
);
442 if (index
>= MAX_NV_VERTEX_PROGRAM_INPUTS
) {
443 _mesa_error(ctx
, GL_INVALID_VALUE
, "glVertexAttribPointerNV(index)");
447 if (type
== GL_UNSIGNED_BYTE
&& size
!= 4) {
448 _mesa_error(ctx
, GL_INVALID_VALUE
, "glVertexAttribPointerNV(size!=4)");
452 update_array(ctx
, "glVertexAttribPointerNV", VERT_ATTRIB_GENERIC(index
),
453 legalTypes
, 1, BGRA_OR_4
,
454 size
, type
, stride
, normalized
, GL_FALSE
, ptr
);
459 #if FEATURE_ARB_vertex_program
461 * Set a generic vertex attribute array.
462 * Note that these arrays DO NOT alias the conventional GL vertex arrays
463 * (position, normal, color, fog, texcoord, etc).
466 _mesa_VertexAttribPointerARB(GLuint index
, GLint size
, GLenum type
,
467 GLboolean normalized
,
468 GLsizei stride
, const GLvoid
*ptr
)
470 const GLbitfield legalTypes
= (BYTE_BIT
| UNSIGNED_BYTE_BIT
|
471 SHORT_BIT
| UNSIGNED_SHORT_BIT
|
472 INT_BIT
| UNSIGNED_INT_BIT
|
473 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
474 FIXED_ES_BIT
| FIXED_GL_BIT
|
475 UNSIGNED_INT_2_10_10_10_REV_BIT
|
476 INT_2_10_10_10_REV_BIT
);
477 GET_CURRENT_CONTEXT(ctx
);
478 ASSERT_OUTSIDE_BEGIN_END(ctx
);
480 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
481 _mesa_error(ctx
, GL_INVALID_VALUE
, "glVertexAttribPointerARB(index)");
485 update_array(ctx
, "glVertexAttribPointer", VERT_ATTRIB_GENERIC(index
),
486 legalTypes
, 1, BGRA_OR_4
,
487 size
, type
, stride
, normalized
, GL_FALSE
, ptr
);
493 * GL_EXT_gpu_shader4 / GL 3.0.
494 * Set an integer-valued vertex attribute array.
495 * Note that these arrays DO NOT alias the conventional GL vertex arrays
496 * (position, normal, color, fog, texcoord, etc).
499 _mesa_VertexAttribIPointer(GLuint index
, GLint size
, GLenum type
,
500 GLsizei stride
, const GLvoid
*ptr
)
502 const GLbitfield legalTypes
= (BYTE_BIT
| UNSIGNED_BYTE_BIT
|
503 SHORT_BIT
| UNSIGNED_SHORT_BIT
|
504 INT_BIT
| UNSIGNED_INT_BIT
);
505 const GLboolean normalized
= GL_FALSE
;
506 const GLboolean integer
= GL_TRUE
;
507 GET_CURRENT_CONTEXT(ctx
);
508 ASSERT_OUTSIDE_BEGIN_END(ctx
);
510 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
511 _mesa_error(ctx
, GL_INVALID_VALUE
, "glVertexAttribIPointer(index)");
515 update_array(ctx
, "glVertexAttribIPointer", VERT_ATTRIB_GENERIC(index
),
517 size
, type
, stride
, normalized
, integer
, ptr
);
523 _mesa_EnableVertexAttribArrayARB(GLuint index
)
525 struct gl_array_object
*arrayObj
;
526 GET_CURRENT_CONTEXT(ctx
);
527 ASSERT_OUTSIDE_BEGIN_END(ctx
);
529 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
530 _mesa_error(ctx
, GL_INVALID_VALUE
,
531 "glEnableVertexAttribArrayARB(index)");
535 arrayObj
= ctx
->Array
.ArrayObj
;
537 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(arrayObj
->VertexAttrib
));
539 if (!arrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].Enabled
) {
540 /* was disabled, now being enabled */
541 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
542 arrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].Enabled
= GL_TRUE
;
543 arrayObj
->_Enabled
|= VERT_BIT_GENERIC(index
);
544 arrayObj
->NewArrays
|= VERT_BIT_GENERIC(index
);
550 _mesa_DisableVertexAttribArrayARB(GLuint index
)
552 struct gl_array_object
*arrayObj
;
553 GET_CURRENT_CONTEXT(ctx
);
554 ASSERT_OUTSIDE_BEGIN_END(ctx
);
556 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
557 _mesa_error(ctx
, GL_INVALID_VALUE
,
558 "glDisableVertexAttribArrayARB(index)");
562 arrayObj
= ctx
->Array
.ArrayObj
;
564 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(arrayObj
->VertexAttrib
));
566 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].Enabled
) {
567 /* was enabled, now being disabled */
568 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
569 arrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].Enabled
= GL_FALSE
;
570 arrayObj
->_Enabled
&= ~VERT_BIT_GENERIC(index
);
571 arrayObj
->NewArrays
|= VERT_BIT_GENERIC(index
);
577 * Return info for a vertex attribute array (no alias with legacy
578 * vertex attributes (pos, normal, color, etc)). This function does
579 * not handle the 4-element GL_CURRENT_VERTEX_ATTRIB_ARB query.
582 get_vertex_array_attrib(struct gl_context
*ctx
, GLuint index
, GLenum pname
,
585 const struct gl_client_array
*array
;
587 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
588 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(index=%u)", caller
, index
);
592 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(ctx
->Array
.ArrayObj
->VertexAttrib
));
594 array
= &ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)];
597 case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB
:
598 return array
->Enabled
;
599 case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB
:
601 case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB
:
602 return array
->Stride
;
603 case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB
:
605 case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB
:
606 return array
->Normalized
;
607 case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB
:
608 return array
->BufferObj
->Name
;
609 case GL_VERTEX_ATTRIB_ARRAY_INTEGER
:
610 if ((_mesa_is_desktop_gl(ctx
)
611 && (ctx
->Version
>= 30 || ctx
->Extensions
.EXT_gpu_shader4
))
612 || _mesa_is_gles3(ctx
)) {
613 return array
->Integer
;
616 case GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB
:
617 if ((_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.ARB_instanced_arrays
)
618 || _mesa_is_gles3(ctx
)) {
619 return array
->InstanceDivisor
;
627 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(pname=0x%x)", caller
, pname
);
632 static const GLfloat
*
633 get_current_attrib(struct gl_context
*ctx
, GLuint index
, const char *function
)
636 /* In OpenGL 3.1 attribute 0 becomes non-magic, just like in OpenGL ES
637 * 2.0. Note that we cannot just check for API_OPENGL_CORE here because
638 * that will erroneously allow this usage in a 3.0 forward-compatible
641 if ((ctx
->API
!= API_OPENGL_CORE
|| ctx
->Version
< 31)
642 && ctx
->API
!= API_OPENGLES2
) {
643 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(index==0)", function
);
647 else if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
648 _mesa_error(ctx
, GL_INVALID_VALUE
,
649 "%s(index>=GL_MAX_VERTEX_ATTRIBS)", function
);
653 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(ctx
->Array
.ArrayObj
->VertexAttrib
));
655 FLUSH_CURRENT(ctx
, 0);
656 return ctx
->Current
.Attrib
[VERT_ATTRIB_GENERIC(index
)];
660 _mesa_GetVertexAttribfvARB(GLuint index
, GLenum pname
, GLfloat
*params
)
662 GET_CURRENT_CONTEXT(ctx
);
663 ASSERT_OUTSIDE_BEGIN_END(ctx
);
665 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
666 const GLfloat
*v
= get_current_attrib(ctx
, index
, "glGetVertexAttribfv");
672 params
[0] = (GLfloat
) get_vertex_array_attrib(ctx
, index
, pname
,
673 "glGetVertexAttribfv");
679 _mesa_GetVertexAttribdvARB(GLuint index
, GLenum pname
, GLdouble
*params
)
681 GET_CURRENT_CONTEXT(ctx
);
682 ASSERT_OUTSIDE_BEGIN_END(ctx
);
684 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
685 const GLfloat
*v
= get_current_attrib(ctx
, index
, "glGetVertexAttribdv");
687 params
[0] = (GLdouble
) v
[0];
688 params
[1] = (GLdouble
) v
[1];
689 params
[2] = (GLdouble
) v
[2];
690 params
[3] = (GLdouble
) v
[3];
694 params
[0] = (GLdouble
) get_vertex_array_attrib(ctx
, index
, pname
,
695 "glGetVertexAttribdv");
701 _mesa_GetVertexAttribivARB(GLuint index
, GLenum pname
, GLint
*params
)
703 GET_CURRENT_CONTEXT(ctx
);
704 ASSERT_OUTSIDE_BEGIN_END(ctx
);
706 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
707 const GLfloat
*v
= get_current_attrib(ctx
, index
, "glGetVertexAttribiv");
709 /* XXX should floats in[0,1] be scaled to full int range? */
710 params
[0] = (GLint
) v
[0];
711 params
[1] = (GLint
) v
[1];
712 params
[2] = (GLint
) v
[2];
713 params
[3] = (GLint
) v
[3];
717 params
[0] = (GLint
) get_vertex_array_attrib(ctx
, index
, pname
,
718 "glGetVertexAttribiv");
725 _mesa_GetVertexAttribIiv(GLuint index
, GLenum pname
, GLint
*params
)
727 GET_CURRENT_CONTEXT(ctx
);
728 ASSERT_OUTSIDE_BEGIN_END(ctx
);
730 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
732 get_current_attrib(ctx
, index
, "glGetVertexAttribIiv");
734 /* XXX we don't have true integer-valued vertex attribs yet */
735 params
[0] = (GLint
) v
[0];
736 params
[1] = (GLint
) v
[1];
737 params
[2] = (GLint
) v
[2];
738 params
[3] = (GLint
) v
[3];
742 params
[0] = (GLint
) get_vertex_array_attrib(ctx
, index
, pname
,
743 "glGetVertexAttribIiv");
750 _mesa_GetVertexAttribIuiv(GLuint index
, GLenum pname
, GLuint
*params
)
752 GET_CURRENT_CONTEXT(ctx
);
753 ASSERT_OUTSIDE_BEGIN_END(ctx
);
755 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
757 get_current_attrib(ctx
, index
, "glGetVertexAttribIuiv");
759 /* XXX we don't have true integer-valued vertex attribs yet */
760 params
[0] = (GLuint
) v
[0];
761 params
[1] = (GLuint
) v
[1];
762 params
[2] = (GLuint
) v
[2];
763 params
[3] = (GLuint
) v
[3];
767 params
[0] = get_vertex_array_attrib(ctx
, index
, pname
,
768 "glGetVertexAttribIuiv");
774 _mesa_GetVertexAttribPointervARB(GLuint index
, GLenum pname
, GLvoid
**pointer
)
776 GET_CURRENT_CONTEXT(ctx
);
777 ASSERT_OUTSIDE_BEGIN_END(ctx
);
779 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
780 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetVertexAttribPointerARB(index)");
784 if (pname
!= GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB
) {
785 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetVertexAttribPointerARB(pname)");
789 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(ctx
->Array
.ArrayObj
->VertexAttrib
));
791 *pointer
= (GLvoid
*) ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].Ptr
;
796 _mesa_VertexPointerEXT(GLint size
, GLenum type
, GLsizei stride
,
797 GLsizei count
, const GLvoid
*ptr
)
800 _mesa_VertexPointer(size
, type
, stride
, ptr
);
805 _mesa_NormalPointerEXT(GLenum type
, GLsizei stride
, GLsizei count
,
809 _mesa_NormalPointer(type
, stride
, ptr
);
814 _mesa_ColorPointerEXT(GLint size
, GLenum type
, GLsizei stride
, GLsizei count
,
818 _mesa_ColorPointer(size
, type
, stride
, ptr
);
823 _mesa_IndexPointerEXT(GLenum type
, GLsizei stride
, GLsizei count
,
827 _mesa_IndexPointer(type
, stride
, ptr
);
832 _mesa_TexCoordPointerEXT(GLint size
, GLenum type
, GLsizei stride
,
833 GLsizei count
, const GLvoid
*ptr
)
836 _mesa_TexCoordPointer(size
, type
, stride
, ptr
);
841 _mesa_EdgeFlagPointerEXT(GLsizei stride
, GLsizei count
, const GLboolean
*ptr
)
844 _mesa_EdgeFlagPointer(stride
, ptr
);
849 _mesa_InterleavedArrays(GLenum format
, GLsizei stride
, const GLvoid
*pointer
)
851 GET_CURRENT_CONTEXT(ctx
);
852 GLboolean tflag
, cflag
, nflag
; /* enable/disable flags */
853 GLint tcomps
, ccomps
, vcomps
; /* components per texcoord, color, vertex */
854 GLenum ctype
= 0; /* color type */
855 GLint coffset
= 0, noffset
= 0, voffset
;/* color, normal, vertex offsets */
856 const GLint toffset
= 0; /* always zero */
857 GLint defstride
; /* default stride */
860 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
863 c
= f
* ((4 * sizeof(GLubyte
) + (f
- 1)) / f
);
866 _mesa_error( ctx
, GL_INVALID_VALUE
, "glInterleavedArrays(stride)" );
872 tflag
= GL_FALSE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
873 tcomps
= 0; ccomps
= 0; vcomps
= 2;
878 tflag
= GL_FALSE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
879 tcomps
= 0; ccomps
= 0; vcomps
= 3;
884 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
885 tcomps
= 0; ccomps
= 4; vcomps
= 2;
886 ctype
= GL_UNSIGNED_BYTE
;
892 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
893 tcomps
= 0; ccomps
= 4; vcomps
= 3;
894 ctype
= GL_UNSIGNED_BYTE
;
900 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
901 tcomps
= 0; ccomps
= 3; vcomps
= 3;
908 tflag
= GL_FALSE
; cflag
= GL_FALSE
; nflag
= GL_TRUE
;
909 tcomps
= 0; ccomps
= 0; vcomps
= 3;
915 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_TRUE
;
916 tcomps
= 0; ccomps
= 4; vcomps
= 3;
924 tflag
= GL_TRUE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
925 tcomps
= 2; ccomps
= 0; vcomps
= 3;
930 tflag
= GL_TRUE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
931 tcomps
= 4; ccomps
= 0; vcomps
= 4;
935 case GL_T2F_C4UB_V3F
:
936 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
937 tcomps
= 2; ccomps
= 4; vcomps
= 3;
938 ctype
= GL_UNSIGNED_BYTE
;
944 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
945 tcomps
= 2; ccomps
= 3; vcomps
= 3;
952 tflag
= GL_TRUE
; cflag
= GL_FALSE
; nflag
= GL_TRUE
;
953 tcomps
= 2; ccomps
= 0; vcomps
= 3;
958 case GL_T2F_C4F_N3F_V3F
:
959 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_TRUE
;
960 tcomps
= 2; ccomps
= 4; vcomps
= 3;
967 case GL_T4F_C4F_N3F_V4F
:
968 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_TRUE
;
969 tcomps
= 4; ccomps
= 4; vcomps
= 4;
977 _mesa_error( ctx
, GL_INVALID_ENUM
, "glInterleavedArrays(format)" );
985 _mesa_DisableClientState( GL_EDGE_FLAG_ARRAY
);
986 _mesa_DisableClientState( GL_INDEX_ARRAY
);
987 /* XXX also disable secondary color and generic arrays? */
991 _mesa_EnableClientState( GL_TEXTURE_COORD_ARRAY
);
992 _mesa_TexCoordPointer( tcomps
, GL_FLOAT
, stride
,
993 (GLubyte
*) pointer
+ toffset
);
996 _mesa_DisableClientState( GL_TEXTURE_COORD_ARRAY
);
1001 _mesa_EnableClientState( GL_COLOR_ARRAY
);
1002 _mesa_ColorPointer( ccomps
, ctype
, stride
,
1003 (GLubyte
*) pointer
+ coffset
);
1006 _mesa_DisableClientState( GL_COLOR_ARRAY
);
1012 _mesa_EnableClientState( GL_NORMAL_ARRAY
);
1013 _mesa_NormalPointer( GL_FLOAT
, stride
, (GLubyte
*) pointer
+ noffset
);
1016 _mesa_DisableClientState( GL_NORMAL_ARRAY
);
1020 _mesa_EnableClientState( GL_VERTEX_ARRAY
);
1021 _mesa_VertexPointer( vcomps
, GL_FLOAT
, stride
,
1022 (GLubyte
*) pointer
+ voffset
);
1027 _mesa_LockArraysEXT(GLint first
, GLsizei count
)
1029 GET_CURRENT_CONTEXT(ctx
);
1030 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
1032 if (MESA_VERBOSE
& VERBOSE_API
)
1033 _mesa_debug(ctx
, "glLockArrays %d %d\n", first
, count
);
1036 _mesa_error( ctx
, GL_INVALID_VALUE
, "glLockArraysEXT(first)" );
1040 _mesa_error( ctx
, GL_INVALID_VALUE
, "glLockArraysEXT(count)" );
1043 if (ctx
->Array
.LockCount
!= 0) {
1044 _mesa_error( ctx
, GL_INVALID_OPERATION
, "glLockArraysEXT(reentry)" );
1048 ctx
->Array
.LockFirst
= first
;
1049 ctx
->Array
.LockCount
= count
;
1051 ctx
->NewState
|= _NEW_ARRAY
;
1056 _mesa_UnlockArraysEXT( void )
1058 GET_CURRENT_CONTEXT(ctx
);
1059 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
1061 if (MESA_VERBOSE
& VERBOSE_API
)
1062 _mesa_debug(ctx
, "glUnlockArrays\n");
1064 if (ctx
->Array
.LockCount
== 0) {
1065 _mesa_error( ctx
, GL_INVALID_OPERATION
, "glUnlockArraysEXT(reexit)" );
1069 ctx
->Array
.LockFirst
= 0;
1070 ctx
->Array
.LockCount
= 0;
1071 ctx
->NewState
|= _NEW_ARRAY
;
1075 /* GL_EXT_multi_draw_arrays */
1077 _mesa_MultiDrawArraysEXT( GLenum mode
, const GLint
*first
,
1078 const GLsizei
*count
, GLsizei primcount
)
1080 GET_CURRENT_CONTEXT(ctx
);
1083 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
1085 for (i
= 0; i
< primcount
; i
++) {
1087 CALL_DrawArrays(ctx
->Exec
, (mode
, first
[i
], count
[i
]));
1093 /* GL_IBM_multimode_draw_arrays */
1095 _mesa_MultiModeDrawArraysIBM( const GLenum
* mode
, const GLint
* first
,
1096 const GLsizei
* count
,
1097 GLsizei primcount
, GLint modestride
)
1099 GET_CURRENT_CONTEXT(ctx
);
1102 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
1104 for ( i
= 0 ; i
< primcount
; i
++ ) {
1105 if ( count
[i
] > 0 ) {
1106 GLenum m
= *((GLenum
*) ((GLubyte
*) mode
+ i
* modestride
));
1107 CALL_DrawArrays(ctx
->Exec
, ( m
, first
[i
], count
[i
] ));
1113 /* GL_IBM_multimode_draw_arrays */
1115 _mesa_MultiModeDrawElementsIBM( const GLenum
* mode
, const GLsizei
* count
,
1116 GLenum type
, const GLvoid
* const * indices
,
1117 GLsizei primcount
, GLint modestride
)
1119 GET_CURRENT_CONTEXT(ctx
);
1122 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
1124 /* XXX not sure about ARB_vertex_buffer_object handling here */
1126 for ( i
= 0 ; i
< primcount
; i
++ ) {
1127 if ( count
[i
] > 0 ) {
1128 GLenum m
= *((GLenum
*) ((GLubyte
*) mode
+ i
* modestride
));
1129 CALL_DrawElements(ctx
->Exec
, ( m
, count
[i
], type
, indices
[i
] ));
1136 * GL_NV_primitive_restart and GL 3.1
1139 _mesa_PrimitiveRestartIndex(GLuint index
)
1141 GET_CURRENT_CONTEXT(ctx
);
1143 if (!ctx
->Extensions
.NV_primitive_restart
&& ctx
->Version
< 31) {
1144 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPrimitiveRestartIndexNV()");
1148 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1150 if (ctx
->Array
.RestartIndex
!= index
) {
1151 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
1152 ctx
->Array
.RestartIndex
= index
;
1158 * See GL_ARB_instanced_arrays.
1159 * Note that the instance divisor only applies to generic arrays, not
1160 * the legacy vertex arrays.
1163 _mesa_VertexAttribDivisor(GLuint index
, GLuint divisor
)
1165 struct gl_client_array
*array
;
1166 GET_CURRENT_CONTEXT(ctx
);
1167 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1169 if (!ctx
->Extensions
.ARB_instanced_arrays
) {
1170 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glVertexAttribDivisor()");
1174 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
1175 _mesa_error(ctx
, GL_INVALID_ENUM
, "glVertexAttribDivisor(index = %u)",
1180 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(ctx
->Array
.ArrayObj
->VertexAttrib
));
1182 array
= &ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)];
1183 if (array
->InstanceDivisor
!= divisor
) {
1184 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
1185 array
->InstanceDivisor
= divisor
;
1186 ctx
->Array
.ArrayObj
->NewArrays
|= VERT_BIT(VERT_ATTRIB_GENERIC(index
));
1193 * Copy one client vertex array to another.
1196 _mesa_copy_client_array(struct gl_context
*ctx
,
1197 struct gl_client_array
*dst
,
1198 struct gl_client_array
*src
)
1200 dst
->Size
= src
->Size
;
1201 dst
->Type
= src
->Type
;
1202 dst
->Format
= src
->Format
;
1203 dst
->Stride
= src
->Stride
;
1204 dst
->StrideB
= src
->StrideB
;
1205 dst
->Ptr
= src
->Ptr
;
1206 dst
->Enabled
= src
->Enabled
;
1207 dst
->Normalized
= src
->Normalized
;
1208 dst
->Integer
= src
->Integer
;
1209 dst
->InstanceDivisor
= src
->InstanceDivisor
;
1210 dst
->_ElementSize
= src
->_ElementSize
;
1211 _mesa_reference_buffer_object(ctx
, &dst
->BufferObj
, src
->BufferObj
);
1212 dst
->_MaxElement
= src
->_MaxElement
;
1218 * Print vertex array's fields.
1221 print_array(const char *name
, GLint index
, const struct gl_client_array
*array
)
1224 printf(" %s[%d]: ", name
, index
);
1226 printf(" %s: ", name
);
1227 printf("Ptr=%p, Type=0x%x, Size=%d, ElemSize=%u, Stride=%d, Buffer=%u(Size %lu), MaxElem=%u\n",
1228 array
->Ptr
, array
->Type
, array
->Size
,
1229 array
->_ElementSize
, array
->StrideB
,
1230 array
->BufferObj
->Name
, (unsigned long) array
->BufferObj
->Size
,
1231 array
->_MaxElement
);
1236 * Print current vertex object/array info. For debug.
1239 _mesa_print_arrays(struct gl_context
*ctx
)
1241 struct gl_array_object
*arrayObj
= ctx
->Array
.ArrayObj
;
1244 _mesa_update_array_object_max_element(ctx
, arrayObj
);
1246 printf("Array Object %u\n", arrayObj
->Name
);
1247 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_POS
].Enabled
)
1248 print_array("Vertex", -1, &arrayObj
->VertexAttrib
[VERT_ATTRIB_POS
]);
1249 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_NORMAL
].Enabled
)
1250 print_array("Normal", -1, &arrayObj
->VertexAttrib
[VERT_ATTRIB_NORMAL
]);
1251 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_COLOR0
].Enabled
)
1252 print_array("Color", -1, &arrayObj
->VertexAttrib
[VERT_ATTRIB_COLOR0
]);
1253 for (i
= 0; i
< ctx
->Const
.MaxTextureCoordUnits
; i
++)
1254 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_TEX(i
)].Enabled
)
1255 print_array("TexCoord", i
, &arrayObj
->VertexAttrib
[VERT_ATTRIB_TEX(i
)]);
1256 for (i
= 0; i
< VERT_ATTRIB_GENERIC_MAX
; i
++)
1257 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(i
)].Enabled
)
1258 print_array("Attrib", i
, &arrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(i
)]);
1259 printf(" _MaxElement = %u\n", arrayObj
->_MaxElement
);
1264 * Initialize vertex array state for given context.
1267 _mesa_init_varray(struct gl_context
*ctx
)
1269 ctx
->Array
.DefaultArrayObj
= ctx
->Driver
.NewArrayObject(ctx
, 0);
1270 _mesa_reference_array_object(ctx
, &ctx
->Array
.ArrayObj
,
1271 ctx
->Array
.DefaultArrayObj
);
1272 ctx
->Array
.ActiveTexture
= 0; /* GL_ARB_multitexture */
1274 ctx
->Array
.Objects
= _mesa_NewHashTable();
1279 * Callback for deleting an array object. Called by _mesa_HashDeleteAll().
1282 delete_arrayobj_cb(GLuint id
, void *data
, void *userData
)
1284 struct gl_array_object
*arrayObj
= (struct gl_array_object
*) data
;
1285 struct gl_context
*ctx
= (struct gl_context
*) userData
;
1286 _mesa_delete_array_object(ctx
, arrayObj
);
1291 * Free vertex array state for given context.
1294 _mesa_free_varray_data(struct gl_context
*ctx
)
1296 _mesa_HashDeleteAll(ctx
->Array
.Objects
, delete_arrayobj_cb
, ctx
);
1297 _mesa_DeleteHashTable(ctx
->Array
.Objects
);