2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 #include "bufferobj.h"
36 #include "mfeatures.h"
40 #include "main/dispatch.h"
43 /** Used to do error checking for GL_EXT_vertex_array_bgra */
47 /** Used to indicate which GL datatypes are accepted by each of the
48 * glVertex/Color/Attrib/EtcPointer() functions.
52 #define UNSIGNED_BYTE_BIT 0x4
54 #define UNSIGNED_SHORT_BIT 0x10
56 #define UNSIGNED_INT_BIT 0x40
58 #define FLOAT_BIT 0x100
59 #define DOUBLE_BIT 0x200
60 #define FIXED_ES_BIT 0x400
61 #define FIXED_GL_BIT 0x800
62 #define UNSIGNED_INT_2_10_10_10_REV_BIT 0x1000
63 #define INT_2_10_10_10_REV_BIT 0x2000
66 /** Convert GL datatype enum into a <type>_BIT value seen above */
68 type_to_bit(const struct gl_context
*ctx
, GLenum type
)
75 case GL_UNSIGNED_BYTE
:
76 return UNSIGNED_BYTE_BIT
;
79 case GL_UNSIGNED_SHORT
:
80 return UNSIGNED_SHORT_BIT
;
84 return UNSIGNED_INT_BIT
;
86 if (ctx
->Extensions
.ARB_half_float_vertex
)
95 return ctx
->API
== API_OPENGL
? FIXED_GL_BIT
: FIXED_ES_BIT
;
96 case GL_UNSIGNED_INT_2_10_10_10_REV
:
97 return UNSIGNED_INT_2_10_10_10_REV_BIT
;
98 case GL_INT_2_10_10_10_REV
:
99 return INT_2_10_10_10_REV_BIT
;
107 * Do error checking and update state for glVertex/Color/TexCoord/...Pointer
110 * \param func name of calling function used for error reporting
111 * \param attrib the attribute array index to update
112 * \param legalTypes bitmask of *_BIT above indicating legal datatypes
113 * \param sizeMin min allowable size value
114 * \param sizeMax max allowable size value (may also be BGRA_OR_4)
115 * \param size components per element (1, 2, 3 or 4)
116 * \param type datatype of each component (GL_FLOAT, GL_INT, etc)
117 * \param stride stride between elements, in elements
118 * \param normalized are integer types converted to floats in [-1, 1]?
119 * \param integer integer-valued values (will not be normalized to [-1,1])
120 * \param ptr the address (or offset inside VBO) of the array data
123 update_array(struct gl_context
*ctx
,
125 GLuint attrib
, GLbitfield legalTypesMask
,
126 GLint sizeMin
, GLint sizeMax
,
127 GLint size
, GLenum type
, GLsizei stride
,
128 GLboolean normalized
, GLboolean integer
,
131 struct gl_client_array
*array
;
134 GLenum format
= GL_RGBA
;
136 if (ctx
->API
!= API_OPENGLES
&& ctx
->API
!= API_OPENGLES2
) {
137 /* fixed point arrays / data is only allowed with OpenGL ES 1.x/2.0 */
138 legalTypesMask
&= ~FIXED_ES_BIT
;
140 if (!ctx
->Extensions
.ARB_ES2_compatibility
) {
141 legalTypesMask
&= ~FIXED_GL_BIT
;
143 if (!ctx
->Extensions
.ARB_vertex_type_2_10_10_10_rev
) {
144 legalTypesMask
&= ~(UNSIGNED_INT_2_10_10_10_REV_BIT
|
145 INT_2_10_10_10_REV_BIT
);
148 typeBit
= type_to_bit(ctx
, type
);
149 if (typeBit
== 0x0 || (typeBit
& legalTypesMask
) == 0x0) {
150 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(type = %s)",
151 func
, _mesa_lookup_enum_by_nr(type
));
155 /* Do size parameter checking.
156 * If sizeMax = BGRA_OR_4 it means that size = GL_BGRA is legal and
157 * must be handled specially.
159 if (ctx
->Extensions
.EXT_vertex_array_bgra
&&
160 sizeMax
== BGRA_OR_4
&&
162 GLboolean bgra_error
= GL_FALSE
;
164 if (ctx
->Extensions
.ARB_vertex_type_2_10_10_10_rev
) {
165 if (type
!= GL_UNSIGNED_INT_2_10_10_10_REV
&&
166 type
!= GL_INT_2_10_10_10_REV
&&
167 type
!= GL_UNSIGNED_BYTE
)
168 bgra_error
= GL_TRUE
;
169 } else if (type
!= GL_UNSIGNED_BYTE
)
170 bgra_error
= GL_TRUE
;
173 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(GL_BGRA/GLubyte)", func
);
179 else if (size
< sizeMin
|| size
> sizeMax
|| size
> 4) {
180 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(size=%d)", func
, size
);
184 if (ctx
->Extensions
.ARB_vertex_type_2_10_10_10_rev
&&
185 (type
== GL_UNSIGNED_INT_2_10_10_10_REV
||
186 type
== GL_INT_2_10_10_10_REV
) && size
!= 4) {
187 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(size=%d)", func
, size
);
193 _mesa_error( ctx
, GL_INVALID_VALUE
, "%s(stride=%d)", func
, stride
);
197 if (ctx
->Array
.ArrayObj
->VBOonly
&&
198 !_mesa_is_bufferobj(ctx
->Array
.ArrayBufferObj
)) {
199 /* GL_ARB_vertex_array_object requires that all arrays reside in VBOs.
200 * Generate GL_INVALID_OPERATION if that's not true.
202 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(non-VBO array)", func
);
206 elementSize
= _mesa_sizeof_type(type
) * size
;
208 array
= &ctx
->Array
.ArrayObj
->VertexAttrib
[attrib
];
211 array
->Format
= format
;
212 array
->Stride
= stride
;
213 array
->StrideB
= stride
? stride
: elementSize
;
214 array
->Normalized
= normalized
;
215 array
->Integer
= integer
;
216 array
->Ptr
= (const GLubyte
*) ptr
;
217 array
->_ElementSize
= elementSize
;
219 _mesa_reference_buffer_object(ctx
, &array
->BufferObj
,
220 ctx
->Array
.ArrayBufferObj
);
222 ctx
->NewState
|= _NEW_ARRAY
;
223 ctx
->Array
.NewState
|= VERT_BIT(attrib
);
228 _mesa_VertexPointer(GLint size
, GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
230 GLbitfield legalTypes
= (SHORT_BIT
| INT_BIT
| FLOAT_BIT
|
231 DOUBLE_BIT
| HALF_BIT
| FIXED_ES_BIT
|
232 UNSIGNED_INT_2_10_10_10_REV_BIT
|
233 INT_2_10_10_10_REV_BIT
);
234 GET_CURRENT_CONTEXT(ctx
);
235 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
237 if (ctx
->API
== API_OPENGLES
)
238 legalTypes
|= BYTE_BIT
;
240 update_array(ctx
, "glVertexPointer", VERT_ATTRIB_POS
,
242 size
, type
, stride
, GL_FALSE
, GL_FALSE
, ptr
);
247 _mesa_NormalPointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
249 const GLbitfield legalTypes
= (BYTE_BIT
| SHORT_BIT
| INT_BIT
|
250 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
252 UNSIGNED_INT_2_10_10_10_REV_BIT
|
253 INT_2_10_10_10_REV_BIT
);
254 GET_CURRENT_CONTEXT(ctx
);
255 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
257 update_array(ctx
, "glNormalPointer", VERT_ATTRIB_NORMAL
,
259 3, type
, stride
, GL_TRUE
, GL_FALSE
, ptr
);
264 _mesa_ColorPointer(GLint size
, GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
266 const GLbitfield legalTypes
= (BYTE_BIT
| UNSIGNED_BYTE_BIT
|
267 SHORT_BIT
| UNSIGNED_SHORT_BIT
|
268 INT_BIT
| UNSIGNED_INT_BIT
|
269 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
271 UNSIGNED_INT_2_10_10_10_REV_BIT
|
272 INT_2_10_10_10_REV_BIT
);
273 GET_CURRENT_CONTEXT(ctx
);
274 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
276 update_array(ctx
, "glColorPointer", VERT_ATTRIB_COLOR0
,
277 legalTypes
, 3, BGRA_OR_4
,
278 size
, type
, stride
, GL_TRUE
, GL_FALSE
, ptr
);
283 _mesa_FogCoordPointerEXT(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
285 const GLbitfield legalTypes
= (HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
);
286 GET_CURRENT_CONTEXT(ctx
);
287 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
289 update_array(ctx
, "glFogCoordPointer", VERT_ATTRIB_FOG
,
291 1, type
, stride
, GL_FALSE
, GL_FALSE
, ptr
);
296 _mesa_IndexPointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
298 const GLbitfield legalTypes
= (UNSIGNED_BYTE_BIT
| SHORT_BIT
| INT_BIT
|
299 FLOAT_BIT
| DOUBLE_BIT
);
300 GET_CURRENT_CONTEXT(ctx
);
301 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
303 update_array(ctx
, "glIndexPointer", VERT_ATTRIB_COLOR_INDEX
,
305 1, type
, stride
, GL_FALSE
, GL_FALSE
, ptr
);
310 _mesa_SecondaryColorPointerEXT(GLint size
, GLenum type
,
311 GLsizei stride
, const GLvoid
*ptr
)
313 const GLbitfield legalTypes
= (BYTE_BIT
| UNSIGNED_BYTE_BIT
|
314 SHORT_BIT
| UNSIGNED_SHORT_BIT
|
315 INT_BIT
| UNSIGNED_INT_BIT
|
316 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
317 UNSIGNED_INT_2_10_10_10_REV_BIT
|
318 INT_2_10_10_10_REV_BIT
);
319 GET_CURRENT_CONTEXT(ctx
);
320 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
322 update_array(ctx
, "glSecondaryColorPointer", VERT_ATTRIB_COLOR1
,
323 legalTypes
, 3, BGRA_OR_4
,
324 size
, type
, stride
, GL_TRUE
, GL_FALSE
, ptr
);
329 _mesa_TexCoordPointer(GLint size
, GLenum type
, GLsizei stride
,
332 GLbitfield legalTypes
= (SHORT_BIT
| INT_BIT
|
333 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
335 UNSIGNED_INT_2_10_10_10_REV_BIT
|
336 INT_2_10_10_10_REV_BIT
);
337 GET_CURRENT_CONTEXT(ctx
);
338 const GLuint unit
= ctx
->Array
.ActiveTexture
;
339 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
341 if (ctx
->API
== API_OPENGLES
)
342 legalTypes
|= BYTE_BIT
;
344 update_array(ctx
, "glTexCoordPointer", VERT_ATTRIB_TEX(unit
),
346 size
, type
, stride
, GL_FALSE
, GL_FALSE
,
352 _mesa_EdgeFlagPointer(GLsizei stride
, const GLvoid
*ptr
)
354 const GLbitfield legalTypes
= UNSIGNED_BYTE_BIT
;
355 /* see table 2.4 edits in GL_EXT_gpu_shader4 spec: */
356 const GLboolean integer
= GL_TRUE
;
357 GET_CURRENT_CONTEXT(ctx
);
358 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
360 update_array(ctx
, "glEdgeFlagPointer", VERT_ATTRIB_EDGEFLAG
,
362 1, GL_UNSIGNED_BYTE
, stride
, GL_FALSE
, integer
, ptr
);
367 _mesa_PointSizePointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
369 const GLbitfield legalTypes
= (FLOAT_BIT
| FIXED_ES_BIT
);
370 GET_CURRENT_CONTEXT(ctx
);
371 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
373 if (ctx
->API
!= API_OPENGLES
) {
374 _mesa_error(ctx
, GL_INVALID_OPERATION
,
375 "glPointSizePointer(ES 1.x only)");
379 update_array(ctx
, "glPointSizePointer", VERT_ATTRIB_POINT_SIZE
,
381 1, type
, stride
, GL_FALSE
, GL_FALSE
, ptr
);
385 #if FEATURE_NV_vertex_program
387 * Set a vertex attribute array.
388 * Note that these arrays DO alias the conventional GL vertex arrays
389 * (position, normal, color, fog, texcoord, etc).
390 * The generic attribute slots at #16 and above are not touched.
393 _mesa_VertexAttribPointerNV(GLuint index
, GLint size
, GLenum type
,
394 GLsizei stride
, const GLvoid
*ptr
)
396 const GLbitfield legalTypes
= (UNSIGNED_BYTE_BIT
| SHORT_BIT
|
397 FLOAT_BIT
| DOUBLE_BIT
);
398 GLboolean normalized
= GL_FALSE
;
399 GET_CURRENT_CONTEXT(ctx
);
400 ASSERT_OUTSIDE_BEGIN_END(ctx
);
402 if (index
>= MAX_NV_VERTEX_PROGRAM_INPUTS
) {
403 _mesa_error(ctx
, GL_INVALID_VALUE
, "glVertexAttribPointerNV(index)");
407 if (type
== GL_UNSIGNED_BYTE
&& size
!= 4) {
408 _mesa_error(ctx
, GL_INVALID_VALUE
, "glVertexAttribPointerNV(size!=4)");
412 update_array(ctx
, "glVertexAttribPointerNV", VERT_ATTRIB_GENERIC(index
),
413 legalTypes
, 1, BGRA_OR_4
,
414 size
, type
, stride
, normalized
, GL_FALSE
, ptr
);
419 #if FEATURE_ARB_vertex_program
421 * Set a generic vertex attribute array.
422 * Note that these arrays DO NOT alias the conventional GL vertex arrays
423 * (position, normal, color, fog, texcoord, etc).
426 _mesa_VertexAttribPointerARB(GLuint index
, GLint size
, GLenum type
,
427 GLboolean normalized
,
428 GLsizei stride
, const GLvoid
*ptr
)
430 const GLbitfield legalTypes
= (BYTE_BIT
| UNSIGNED_BYTE_BIT
|
431 SHORT_BIT
| UNSIGNED_SHORT_BIT
|
432 INT_BIT
| UNSIGNED_INT_BIT
|
433 HALF_BIT
| FLOAT_BIT
| DOUBLE_BIT
|
434 FIXED_ES_BIT
| FIXED_GL_BIT
|
435 UNSIGNED_INT_2_10_10_10_REV_BIT
|
436 INT_2_10_10_10_REV_BIT
);
437 GET_CURRENT_CONTEXT(ctx
);
438 ASSERT_OUTSIDE_BEGIN_END(ctx
);
440 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
441 _mesa_error(ctx
, GL_INVALID_VALUE
, "glVertexAttribPointerARB(index)");
445 update_array(ctx
, "glVertexAttribPointer", VERT_ATTRIB_GENERIC(index
),
446 legalTypes
, 1, BGRA_OR_4
,
447 size
, type
, stride
, normalized
, GL_FALSE
, ptr
);
453 * GL_EXT_gpu_shader4 / GL 3.0.
454 * Set an integer-valued vertex attribute array.
455 * Note that these arrays DO NOT alias the conventional GL vertex arrays
456 * (position, normal, color, fog, texcoord, etc).
459 _mesa_VertexAttribIPointer(GLuint index
, GLint size
, GLenum type
,
460 GLsizei stride
, const GLvoid
*ptr
)
462 const GLbitfield legalTypes
= (BYTE_BIT
| UNSIGNED_BYTE_BIT
|
463 SHORT_BIT
| UNSIGNED_SHORT_BIT
|
464 INT_BIT
| UNSIGNED_INT_BIT
);
465 const GLboolean normalized
= GL_FALSE
;
466 const GLboolean integer
= GL_TRUE
;
467 GET_CURRENT_CONTEXT(ctx
);
468 ASSERT_OUTSIDE_BEGIN_END(ctx
);
470 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
471 _mesa_error(ctx
, GL_INVALID_VALUE
, "glVertexAttribIPointer(index)");
475 update_array(ctx
, "glVertexAttribIPointer", VERT_ATTRIB_GENERIC(index
),
477 size
, type
, stride
, normalized
, integer
, ptr
);
483 _mesa_EnableVertexAttribArrayARB(GLuint index
)
485 GET_CURRENT_CONTEXT(ctx
);
486 ASSERT_OUTSIDE_BEGIN_END(ctx
);
488 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
489 _mesa_error(ctx
, GL_INVALID_VALUE
,
490 "glEnableVertexAttribArrayARB(index)");
494 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(ctx
->Array
.ArrayObj
->VertexAttrib
));
496 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
497 ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].Enabled
= GL_TRUE
;
498 ctx
->Array
.ArrayObj
->_Enabled
|= VERT_BIT_GENERIC(index
);
499 ctx
->Array
.NewState
|= VERT_BIT_GENERIC(index
);
504 _mesa_DisableVertexAttribArrayARB(GLuint index
)
506 GET_CURRENT_CONTEXT(ctx
);
507 ASSERT_OUTSIDE_BEGIN_END(ctx
);
509 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
510 _mesa_error(ctx
, GL_INVALID_VALUE
,
511 "glDisableVertexAttribArrayARB(index)");
515 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(ctx
->Array
.ArrayObj
->VertexAttrib
));
517 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
518 ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].Enabled
= GL_FALSE
;
519 ctx
->Array
.ArrayObj
->_Enabled
&= ~VERT_BIT_GENERIC(index
);
520 ctx
->Array
.NewState
|= VERT_BIT_GENERIC(index
);
525 * Return info for a vertex attribute array (no alias with legacy
526 * vertex attributes (pos, normal, color, etc)). This function does
527 * not handle the 4-element GL_CURRENT_VERTEX_ATTRIB_ARB query.
530 get_vertex_array_attrib(struct gl_context
*ctx
, GLuint index
, GLenum pname
,
533 const struct gl_client_array
*array
;
535 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
536 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(index=%u)", caller
, index
);
540 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(ctx
->Array
.ArrayObj
->VertexAttrib
));
542 array
= &ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)];
545 case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB
:
546 return array
->Enabled
;
547 case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB
:
549 case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB
:
550 return array
->Stride
;
551 case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB
:
553 case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB
:
554 return array
->Normalized
;
555 case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB
:
556 return array
->BufferObj
->Name
;
557 case GL_VERTEX_ATTRIB_ARRAY_INTEGER
:
558 if (ctx
->Extensions
.EXT_gpu_shader4
) {
559 return array
->Integer
;
562 case GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB
:
563 if (ctx
->Extensions
.ARB_instanced_arrays
) {
564 return array
->InstanceDivisor
;
572 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(pname=0x%x)", caller
, pname
);
577 static const GLfloat
*
578 get_current_attrib(struct gl_context
*ctx
, GLuint index
, const char *function
)
581 if (ctx
->API
!= API_OPENGLES2
) {
582 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(index==0)", function
);
586 else if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
587 _mesa_error(ctx
, GL_INVALID_VALUE
,
588 "%s(index>=GL_MAX_VERTEX_ATTRIBS)", function
);
592 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(ctx
->Array
.ArrayObj
->VertexAttrib
));
594 FLUSH_CURRENT(ctx
, 0);
595 return ctx
->Current
.Attrib
[VERT_ATTRIB_GENERIC(index
)];
599 _mesa_GetVertexAttribfvARB(GLuint index
, GLenum pname
, GLfloat
*params
)
601 GET_CURRENT_CONTEXT(ctx
);
602 ASSERT_OUTSIDE_BEGIN_END(ctx
);
604 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
605 const GLfloat
*v
= get_current_attrib(ctx
, index
, "glGetVertexAttribfv");
611 params
[0] = (GLfloat
) get_vertex_array_attrib(ctx
, index
, pname
,
612 "glGetVertexAttribfv");
618 _mesa_GetVertexAttribdvARB(GLuint index
, GLenum pname
, GLdouble
*params
)
620 GET_CURRENT_CONTEXT(ctx
);
621 ASSERT_OUTSIDE_BEGIN_END(ctx
);
623 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
624 const GLfloat
*v
= get_current_attrib(ctx
, index
, "glGetVertexAttribdv");
626 params
[0] = (GLdouble
) v
[0];
627 params
[1] = (GLdouble
) v
[1];
628 params
[2] = (GLdouble
) v
[2];
629 params
[3] = (GLdouble
) v
[3];
633 params
[0] = (GLdouble
) get_vertex_array_attrib(ctx
, index
, pname
,
634 "glGetVertexAttribdv");
640 _mesa_GetVertexAttribivARB(GLuint index
, GLenum pname
, GLint
*params
)
642 GET_CURRENT_CONTEXT(ctx
);
643 ASSERT_OUTSIDE_BEGIN_END(ctx
);
645 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
646 const GLfloat
*v
= get_current_attrib(ctx
, index
, "glGetVertexAttribiv");
648 /* XXX should floats in[0,1] be scaled to full int range? */
649 params
[0] = (GLint
) v
[0];
650 params
[1] = (GLint
) v
[1];
651 params
[2] = (GLint
) v
[2];
652 params
[3] = (GLint
) v
[3];
656 params
[0] = (GLint
) get_vertex_array_attrib(ctx
, index
, pname
,
657 "glGetVertexAttribiv");
664 _mesa_GetVertexAttribIiv(GLuint index
, GLenum pname
, GLint
*params
)
666 GET_CURRENT_CONTEXT(ctx
);
667 ASSERT_OUTSIDE_BEGIN_END(ctx
);
669 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
671 get_current_attrib(ctx
, index
, "glGetVertexAttribIiv");
673 /* XXX we don't have true integer-valued vertex attribs yet */
674 params
[0] = (GLint
) v
[0];
675 params
[1] = (GLint
) v
[1];
676 params
[2] = (GLint
) v
[2];
677 params
[3] = (GLint
) v
[3];
681 params
[0] = (GLint
) get_vertex_array_attrib(ctx
, index
, pname
,
682 "glGetVertexAttribIiv");
689 _mesa_GetVertexAttribIuiv(GLuint index
, GLenum pname
, GLuint
*params
)
691 GET_CURRENT_CONTEXT(ctx
);
692 ASSERT_OUTSIDE_BEGIN_END(ctx
);
694 if (pname
== GL_CURRENT_VERTEX_ATTRIB_ARB
) {
696 get_current_attrib(ctx
, index
, "glGetVertexAttribIuiv");
698 /* XXX we don't have true integer-valued vertex attribs yet */
699 params
[0] = (GLuint
) v
[0];
700 params
[1] = (GLuint
) v
[1];
701 params
[2] = (GLuint
) v
[2];
702 params
[3] = (GLuint
) v
[3];
706 params
[0] = get_vertex_array_attrib(ctx
, index
, pname
,
707 "glGetVertexAttribIuiv");
713 _mesa_GetVertexAttribPointervARB(GLuint index
, GLenum pname
, GLvoid
**pointer
)
715 GET_CURRENT_CONTEXT(ctx
);
716 ASSERT_OUTSIDE_BEGIN_END(ctx
);
718 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
719 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetVertexAttribPointerARB(index)");
723 if (pname
!= GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB
) {
724 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetVertexAttribPointerARB(pname)");
728 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(ctx
->Array
.ArrayObj
->VertexAttrib
));
730 *pointer
= (GLvoid
*) ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].Ptr
;
735 _mesa_VertexPointerEXT(GLint size
, GLenum type
, GLsizei stride
,
736 GLsizei count
, const GLvoid
*ptr
)
739 _mesa_VertexPointer(size
, type
, stride
, ptr
);
744 _mesa_NormalPointerEXT(GLenum type
, GLsizei stride
, GLsizei count
,
748 _mesa_NormalPointer(type
, stride
, ptr
);
753 _mesa_ColorPointerEXT(GLint size
, GLenum type
, GLsizei stride
, GLsizei count
,
757 _mesa_ColorPointer(size
, type
, stride
, ptr
);
762 _mesa_IndexPointerEXT(GLenum type
, GLsizei stride
, GLsizei count
,
766 _mesa_IndexPointer(type
, stride
, ptr
);
771 _mesa_TexCoordPointerEXT(GLint size
, GLenum type
, GLsizei stride
,
772 GLsizei count
, const GLvoid
*ptr
)
775 _mesa_TexCoordPointer(size
, type
, stride
, ptr
);
780 _mesa_EdgeFlagPointerEXT(GLsizei stride
, GLsizei count
, const GLboolean
*ptr
)
783 _mesa_EdgeFlagPointer(stride
, ptr
);
788 _mesa_InterleavedArrays(GLenum format
, GLsizei stride
, const GLvoid
*pointer
)
790 GET_CURRENT_CONTEXT(ctx
);
791 GLboolean tflag
, cflag
, nflag
; /* enable/disable flags */
792 GLint tcomps
, ccomps
, vcomps
; /* components per texcoord, color, vertex */
793 GLenum ctype
= 0; /* color type */
794 GLint coffset
= 0, noffset
= 0, voffset
;/* color, normal, vertex offsets */
795 const GLint toffset
= 0; /* always zero */
796 GLint defstride
; /* default stride */
799 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
802 c
= f
* ((4 * sizeof(GLubyte
) + (f
- 1)) / f
);
805 _mesa_error( ctx
, GL_INVALID_VALUE
, "glInterleavedArrays(stride)" );
811 tflag
= GL_FALSE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
812 tcomps
= 0; ccomps
= 0; vcomps
= 2;
817 tflag
= GL_FALSE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
818 tcomps
= 0; ccomps
= 0; vcomps
= 3;
823 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
824 tcomps
= 0; ccomps
= 4; vcomps
= 2;
825 ctype
= GL_UNSIGNED_BYTE
;
831 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
832 tcomps
= 0; ccomps
= 4; vcomps
= 3;
833 ctype
= GL_UNSIGNED_BYTE
;
839 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
840 tcomps
= 0; ccomps
= 3; vcomps
= 3;
847 tflag
= GL_FALSE
; cflag
= GL_FALSE
; nflag
= GL_TRUE
;
848 tcomps
= 0; ccomps
= 0; vcomps
= 3;
854 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_TRUE
;
855 tcomps
= 0; ccomps
= 4; vcomps
= 3;
863 tflag
= GL_TRUE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
864 tcomps
= 2; ccomps
= 0; vcomps
= 3;
869 tflag
= GL_TRUE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
870 tcomps
= 4; ccomps
= 0; vcomps
= 4;
874 case GL_T2F_C4UB_V3F
:
875 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
876 tcomps
= 2; ccomps
= 4; vcomps
= 3;
877 ctype
= GL_UNSIGNED_BYTE
;
883 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
884 tcomps
= 2; ccomps
= 3; vcomps
= 3;
891 tflag
= GL_TRUE
; cflag
= GL_FALSE
; nflag
= GL_TRUE
;
892 tcomps
= 2; ccomps
= 0; vcomps
= 3;
897 case GL_T2F_C4F_N3F_V3F
:
898 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_TRUE
;
899 tcomps
= 2; ccomps
= 4; vcomps
= 3;
906 case GL_T4F_C4F_N3F_V4F
:
907 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_TRUE
;
908 tcomps
= 4; ccomps
= 4; vcomps
= 4;
916 _mesa_error( ctx
, GL_INVALID_ENUM
, "glInterleavedArrays(format)" );
924 _mesa_DisableClientState( GL_EDGE_FLAG_ARRAY
);
925 _mesa_DisableClientState( GL_INDEX_ARRAY
);
926 /* XXX also disable secondary color and generic arrays? */
930 _mesa_EnableClientState( GL_TEXTURE_COORD_ARRAY
);
931 _mesa_TexCoordPointer( tcomps
, GL_FLOAT
, stride
,
932 (GLubyte
*) pointer
+ toffset
);
935 _mesa_DisableClientState( GL_TEXTURE_COORD_ARRAY
);
940 _mesa_EnableClientState( GL_COLOR_ARRAY
);
941 _mesa_ColorPointer( ccomps
, ctype
, stride
,
942 (GLubyte
*) pointer
+ coffset
);
945 _mesa_DisableClientState( GL_COLOR_ARRAY
);
951 _mesa_EnableClientState( GL_NORMAL_ARRAY
);
952 _mesa_NormalPointer( GL_FLOAT
, stride
, (GLubyte
*) pointer
+ noffset
);
955 _mesa_DisableClientState( GL_NORMAL_ARRAY
);
959 _mesa_EnableClientState( GL_VERTEX_ARRAY
);
960 _mesa_VertexPointer( vcomps
, GL_FLOAT
, stride
,
961 (GLubyte
*) pointer
+ voffset
);
966 _mesa_LockArraysEXT(GLint first
, GLsizei count
)
968 GET_CURRENT_CONTEXT(ctx
);
969 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
971 if (MESA_VERBOSE
& VERBOSE_API
)
972 _mesa_debug(ctx
, "glLockArrays %d %d\n", first
, count
);
975 _mesa_error( ctx
, GL_INVALID_VALUE
, "glLockArraysEXT(first)" );
979 _mesa_error( ctx
, GL_INVALID_VALUE
, "glLockArraysEXT(count)" );
982 if (ctx
->Array
.LockCount
!= 0) {
983 _mesa_error( ctx
, GL_INVALID_OPERATION
, "glLockArraysEXT(reentry)" );
987 ctx
->Array
.LockFirst
= first
;
988 ctx
->Array
.LockCount
= count
;
990 ctx
->NewState
|= _NEW_ARRAY
;
991 ctx
->Array
.NewState
|= VERT_BIT_ALL
;
996 _mesa_UnlockArraysEXT( void )
998 GET_CURRENT_CONTEXT(ctx
);
999 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
1001 if (MESA_VERBOSE
& VERBOSE_API
)
1002 _mesa_debug(ctx
, "glUnlockArrays\n");
1004 if (ctx
->Array
.LockCount
== 0) {
1005 _mesa_error( ctx
, GL_INVALID_OPERATION
, "glUnlockArraysEXT(reexit)" );
1009 ctx
->Array
.LockFirst
= 0;
1010 ctx
->Array
.LockCount
= 0;
1011 ctx
->NewState
|= _NEW_ARRAY
;
1012 ctx
->Array
.NewState
|= VERT_BIT_ALL
;
1016 /* GL_EXT_multi_draw_arrays */
1018 _mesa_MultiDrawArraysEXT( GLenum mode
, const GLint
*first
,
1019 const GLsizei
*count
, GLsizei primcount
)
1021 GET_CURRENT_CONTEXT(ctx
);
1024 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
1026 for (i
= 0; i
< primcount
; i
++) {
1028 CALL_DrawArrays(ctx
->Exec
, (mode
, first
[i
], count
[i
]));
1034 /* GL_IBM_multimode_draw_arrays */
1036 _mesa_MultiModeDrawArraysIBM( const GLenum
* mode
, const GLint
* first
,
1037 const GLsizei
* count
,
1038 GLsizei primcount
, GLint modestride
)
1040 GET_CURRENT_CONTEXT(ctx
);
1043 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
1045 for ( i
= 0 ; i
< primcount
; i
++ ) {
1046 if ( count
[i
] > 0 ) {
1047 GLenum m
= *((GLenum
*) ((GLubyte
*) mode
+ i
* modestride
));
1048 CALL_DrawArrays(ctx
->Exec
, ( m
, first
[i
], count
[i
] ));
1054 /* GL_IBM_multimode_draw_arrays */
1056 _mesa_MultiModeDrawElementsIBM( const GLenum
* mode
, const GLsizei
* count
,
1057 GLenum type
, const GLvoid
* const * indices
,
1058 GLsizei primcount
, GLint modestride
)
1060 GET_CURRENT_CONTEXT(ctx
);
1063 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
1065 /* XXX not sure about ARB_vertex_buffer_object handling here */
1067 for ( i
= 0 ; i
< primcount
; i
++ ) {
1068 if ( count
[i
] > 0 ) {
1069 GLenum m
= *((GLenum
*) ((GLubyte
*) mode
+ i
* modestride
));
1070 CALL_DrawElements(ctx
->Exec
, ( m
, count
[i
], type
, indices
[i
] ));
1077 * GL_NV_primitive_restart and GL 3.1
1080 _mesa_PrimitiveRestartIndex(GLuint index
)
1082 GET_CURRENT_CONTEXT(ctx
);
1084 if (!ctx
->Extensions
.NV_primitive_restart
&&
1085 ctx
->VersionMajor
* 10 + ctx
->VersionMinor
< 31) {
1086 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPrimitiveRestartIndexNV()");
1090 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
1092 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
1094 ctx
->Array
.RestartIndex
= index
;
1099 * See GL_ARB_instanced_arrays.
1100 * Note that the instance divisor only applies to generic arrays, not
1101 * the legacy vertex arrays.
1104 _mesa_VertexAttribDivisor(GLuint index
, GLuint divisor
)
1106 GET_CURRENT_CONTEXT(ctx
);
1107 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
1109 if (!ctx
->Extensions
.ARB_instanced_arrays
) {
1110 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glVertexAttribDivisor()");
1114 if (index
>= ctx
->Const
.VertexProgram
.MaxAttribs
) {
1115 _mesa_error(ctx
, GL_INVALID_ENUM
, "glVertexAttribDivisor(index = %u)",
1120 ASSERT(VERT_ATTRIB_GENERIC(index
) < Elements(ctx
->Array
.ArrayObj
->VertexAttrib
));
1122 ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(index
)].InstanceDivisor
= divisor
;
1128 * Copy one client vertex array to another.
1131 _mesa_copy_client_array(struct gl_context
*ctx
,
1132 struct gl_client_array
*dst
,
1133 struct gl_client_array
*src
)
1135 dst
->Size
= src
->Size
;
1136 dst
->Type
= src
->Type
;
1137 dst
->Format
= src
->Format
;
1138 dst
->Stride
= src
->Stride
;
1139 dst
->StrideB
= src
->StrideB
;
1140 dst
->Ptr
= src
->Ptr
;
1141 dst
->Enabled
= src
->Enabled
;
1142 dst
->Normalized
= src
->Normalized
;
1143 dst
->Integer
= src
->Integer
;
1144 dst
->InstanceDivisor
= src
->InstanceDivisor
;
1145 dst
->_ElementSize
= src
->_ElementSize
;
1146 _mesa_reference_buffer_object(ctx
, &dst
->BufferObj
, src
->BufferObj
);
1147 dst
->_MaxElement
= src
->_MaxElement
;
1153 * Print vertex array's fields.
1156 print_array(const char *name
, GLint index
, const struct gl_client_array
*array
)
1159 printf(" %s[%d]: ", name
, index
);
1161 printf(" %s: ", name
);
1162 printf("Ptr=%p, Type=0x%x, Size=%d, ElemSize=%u, Stride=%d, Buffer=%u(Size %lu), MaxElem=%u\n",
1163 array
->Ptr
, array
->Type
, array
->Size
,
1164 array
->_ElementSize
, array
->StrideB
,
1165 array
->BufferObj
->Name
, (unsigned long) array
->BufferObj
->Size
,
1166 array
->_MaxElement
);
1171 * Print current vertex object/array info. For debug.
1174 _mesa_print_arrays(struct gl_context
*ctx
)
1176 struct gl_array_object
*arrayObj
= ctx
->Array
.ArrayObj
;
1179 _mesa_update_array_object_max_element(ctx
, arrayObj
);
1181 printf("Array Object %u\n", arrayObj
->Name
);
1182 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_POS
].Enabled
)
1183 print_array("Vertex", -1, &arrayObj
->VertexAttrib
[VERT_ATTRIB_POS
]);
1184 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_NORMAL
].Enabled
)
1185 print_array("Normal", -1, &arrayObj
->VertexAttrib
[VERT_ATTRIB_NORMAL
]);
1186 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_COLOR0
].Enabled
)
1187 print_array("Color", -1, &arrayObj
->VertexAttrib
[VERT_ATTRIB_COLOR0
]);
1188 for (i
= 0; i
< ctx
->Const
.MaxTextureCoordUnits
; i
++)
1189 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_TEX(i
)].Enabled
)
1190 print_array("TexCoord", i
, &arrayObj
->VertexAttrib
[VERT_ATTRIB_TEX(i
)]);
1191 for (i
= 0; i
< VERT_ATTRIB_GENERIC_MAX
; i
++)
1192 if (arrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(i
)].Enabled
)
1193 print_array("Attrib", i
, &arrayObj
->VertexAttrib
[VERT_ATTRIB_GENERIC(i
)]);
1194 printf(" _MaxElement = %u\n", arrayObj
->_MaxElement
);
1199 * Initialize vertex array state for given context.
1202 _mesa_init_varray(struct gl_context
*ctx
)
1204 ctx
->Array
.DefaultArrayObj
= _mesa_new_array_object(ctx
, 0);
1205 _mesa_reference_array_object(ctx
, &ctx
->Array
.ArrayObj
,
1206 ctx
->Array
.DefaultArrayObj
);
1207 ctx
->Array
.ActiveTexture
= 0; /* GL_ARB_multitexture */
1209 ctx
->Array
.Objects
= _mesa_NewHashTable();
1214 * Callback for deleting an array object. Called by _mesa_HashDeleteAll().
1217 delete_arrayobj_cb(GLuint id
, void *data
, void *userData
)
1219 struct gl_array_object
*arrayObj
= (struct gl_array_object
*) data
;
1220 struct gl_context
*ctx
= (struct gl_context
*) userData
;
1221 _mesa_delete_array_object(ctx
, arrayObj
);
1226 * Free vertex array state for given context.
1229 _mesa_free_varray_data(struct gl_context
*ctx
)
1231 _mesa_HashDeleteAll(ctx
->Array
.Objects
, delete_arrayobj_cb
, ctx
);
1232 _mesa_DeleteHashTable(ctx
->Array
.Objects
);