1 /**************************************************************************
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * Copyright 2009 VMware, Inc.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 **************************************************************************/
29 #include "main/glheader.h"
30 #include "main/context.h"
31 #include "main/state.h"
32 #include "main/api_validate.h"
33 #include "main/dispatch.h"
34 #include "main/varray.h"
35 #include "main/bufferobj.h"
36 #include "main/enums.h"
37 #include "main/macros.h"
38 #include "main/transformfeedback.h"
40 #include "vbo_context.h"
44 * All vertex buffers should be in an unmapped state when we're about
45 * to draw. This debug function checks that.
48 check_buffers_are_unmapped(const struct gl_client_array
**inputs
)
53 for (i
= 0; i
< VERT_ATTRIB_MAX
; i
++) {
55 struct gl_buffer_object
*obj
= inputs
[i
]->BufferObj
;
56 assert(!_mesa_bufferobj_mapped(obj
));
65 * A debug function that may be called from other parts of Mesa as
66 * needed during debugging.
69 vbo_check_buffers_are_unmapped(struct gl_context
*ctx
)
71 struct vbo_context
*vbo
= vbo_context(ctx
);
72 struct vbo_exec_context
*exec
= &vbo
->exec
;
73 /* check the current vertex arrays */
74 check_buffers_are_unmapped(exec
->array
.inputs
);
75 /* check the current glBegin/glVertex/glEnd-style VBO */
76 assert(!_mesa_bufferobj_mapped(exec
->vtx
.bufferobj
));
82 * Compute min and max elements by scanning the index buffer for
83 * glDraw[Range]Elements() calls.
84 * If primitive restart is enabled, we need to ignore restart
85 * indexes when computing min/max.
88 vbo_get_minmax_index(struct gl_context
*ctx
,
89 const struct _mesa_prim
*prim
,
90 const struct _mesa_index_buffer
*ib
,
91 GLuint
*min_index
, GLuint
*max_index
,
94 const GLboolean restart
= ctx
->Array
._PrimitiveRestart
;
95 const GLuint restartIndex
= ctx
->Array
._RestartIndex
;
96 const int index_size
= vbo_sizeof_ib_type(ib
->type
);
100 indices
= (char *) ib
->ptr
+ prim
->start
* index_size
;
101 if (_mesa_is_bufferobj(ib
->obj
)) {
102 GLsizeiptr size
= MIN2(count
* index_size
, ib
->obj
->Size
);
103 indices
= ctx
->Driver
.MapBufferRange(ctx
, (GLintptr
) indices
, size
,
104 GL_MAP_READ_BIT
, ib
->obj
);
108 case GL_UNSIGNED_INT
: {
109 const GLuint
*ui_indices
= (const GLuint
*)indices
;
113 for (i
= 0; i
< count
; i
++) {
114 if (ui_indices
[i
] != restartIndex
) {
115 if (ui_indices
[i
] > max_ui
) max_ui
= ui_indices
[i
];
116 if (ui_indices
[i
] < min_ui
) min_ui
= ui_indices
[i
];
121 for (i
= 0; i
< count
; i
++) {
122 if (ui_indices
[i
] > max_ui
) max_ui
= ui_indices
[i
];
123 if (ui_indices
[i
] < min_ui
) min_ui
= ui_indices
[i
];
130 case GL_UNSIGNED_SHORT
: {
131 const GLushort
*us_indices
= (const GLushort
*)indices
;
135 for (i
= 0; i
< count
; i
++) {
136 if (us_indices
[i
] != restartIndex
) {
137 if (us_indices
[i
] > max_us
) max_us
= us_indices
[i
];
138 if (us_indices
[i
] < min_us
) min_us
= us_indices
[i
];
143 for (i
= 0; i
< count
; i
++) {
144 if (us_indices
[i
] > max_us
) max_us
= us_indices
[i
];
145 if (us_indices
[i
] < min_us
) min_us
= us_indices
[i
];
152 case GL_UNSIGNED_BYTE
: {
153 const GLubyte
*ub_indices
= (const GLubyte
*)indices
;
157 for (i
= 0; i
< count
; i
++) {
158 if (ub_indices
[i
] != restartIndex
) {
159 if (ub_indices
[i
] > max_ub
) max_ub
= ub_indices
[i
];
160 if (ub_indices
[i
] < min_ub
) min_ub
= ub_indices
[i
];
165 for (i
= 0; i
< count
; i
++) {
166 if (ub_indices
[i
] > max_ub
) max_ub
= ub_indices
[i
];
167 if (ub_indices
[i
] < min_ub
) min_ub
= ub_indices
[i
];
179 if (_mesa_is_bufferobj(ib
->obj
)) {
180 ctx
->Driver
.UnmapBuffer(ctx
, ib
->obj
);
185 * Compute min and max elements for nr_prims
188 vbo_get_minmax_indices(struct gl_context
*ctx
,
189 const struct _mesa_prim
*prims
,
190 const struct _mesa_index_buffer
*ib
,
195 GLuint tmp_min
, tmp_max
;
202 for (i
= 0; i
< nr_prims
; i
++) {
203 const struct _mesa_prim
*start_prim
;
205 start_prim
= &prims
[i
];
206 count
= start_prim
->count
;
207 /* Do combination if possible to reduce map/unmap count */
208 while ((i
+ 1 < nr_prims
) &&
209 (prims
[i
].start
+ prims
[i
].count
== prims
[i
+1].start
)) {
210 count
+= prims
[i
+1].count
;
213 vbo_get_minmax_index(ctx
, start_prim
, ib
, &tmp_min
, &tmp_max
, count
);
214 *min_index
= MIN2(*min_index
, tmp_min
);
215 *max_index
= MAX2(*max_index
, tmp_max
);
221 * Check that element 'j' of the array has reasonable data.
223 * For debugging purposes; not normally used.
226 check_array_data(struct gl_context
*ctx
, struct gl_client_array
*array
,
227 GLuint attrib
, GLuint j
)
229 if (array
->Enabled
) {
230 const void *data
= array
->Ptr
;
231 if (_mesa_is_bufferobj(array
->BufferObj
)) {
232 if (!array
->BufferObj
->Pointer
) {
233 /* need to map now */
234 array
->BufferObj
->Pointer
=
235 ctx
->Driver
.MapBufferRange(ctx
, 0, array
->BufferObj
->Size
,
236 GL_MAP_READ_BIT
, array
->BufferObj
);
238 data
= ADD_POINTERS(data
, array
->BufferObj
->Pointer
);
240 switch (array
->Type
) {
243 GLfloat
*f
= (GLfloat
*) ((GLubyte
*) data
+ array
->StrideB
* j
);
245 for (k
= 0; k
< array
->Size
; k
++) {
246 if (IS_INF_OR_NAN(f
[k
]) ||
247 f
[k
] >= 1.0e20
|| f
[k
] <= -1.0e10
) {
248 printf("Bad array data:\n");
249 printf(" Element[%u].%u = %f\n", j
, k
, f
[k
]);
250 printf(" Array %u at %p\n", attrib
, (void* ) array
);
251 printf(" Type 0x%x, Size %d, Stride %d\n",
252 array
->Type
, array
->Size
, array
->Stride
);
253 printf(" Address/offset %p in Buffer Object %u\n",
254 array
->Ptr
, array
->BufferObj
->Name
);
255 f
[k
] = 1.0; /* XXX replace the bad value! */
257 /*assert(!IS_INF_OR_NAN(f[k]));*/
269 * Unmap the buffer object referenced by given array, if mapped.
272 unmap_array_buffer(struct gl_context
*ctx
, struct gl_client_array
*array
)
274 if (array
->Enabled
&&
275 _mesa_is_bufferobj(array
->BufferObj
) &&
276 _mesa_bufferobj_mapped(array
->BufferObj
)) {
277 ctx
->Driver
.UnmapBuffer(ctx
, array
->BufferObj
);
283 * Examine the array's data for NaNs, etc.
284 * For debug purposes; not normally used.
287 check_draw_elements_data(struct gl_context
*ctx
, GLsizei count
, GLenum elemType
,
288 const void *elements
, GLint basevertex
)
290 struct gl_array_object
*arrayObj
= ctx
->Array
.ArrayObj
;
294 if (_mesa_is_bufferobj(ctx
->Array
.ArrayObj
->ElementArrayBufferObj
)) {
295 elemMap
= ctx
->Driver
.MapBufferRange(ctx
, 0,
296 ctx
->Array
.ArrayObj
->ElementArrayBufferObj
->Size
,
298 ctx
->Array
.ArrayObj
->ElementArrayBufferObj
);
299 elements
= ADD_POINTERS(elements
, elemMap
);
302 for (i
= 0; i
< count
; i
++) {
307 case GL_UNSIGNED_BYTE
:
308 j
= ((const GLubyte
*) elements
)[i
];
310 case GL_UNSIGNED_SHORT
:
311 j
= ((const GLushort
*) elements
)[i
];
313 case GL_UNSIGNED_INT
:
314 j
= ((const GLuint
*) elements
)[i
];
320 /* check element j of each enabled array */
321 for (k
= 0; k
< Elements(arrayObj
->VertexAttrib
); k
++) {
322 check_array_data(ctx
, &arrayObj
->VertexAttrib
[k
], k
, j
);
326 if (_mesa_is_bufferobj(arrayObj
->ElementArrayBufferObj
)) {
327 ctx
->Driver
.UnmapBuffer(ctx
, ctx
->Array
.ArrayObj
->ElementArrayBufferObj
);
330 for (k
= 0; k
< Elements(arrayObj
->VertexAttrib
); k
++) {
331 unmap_array_buffer(ctx
, &arrayObj
->VertexAttrib
[k
]);
337 * Check array data, looking for NaNs, etc.
340 check_draw_arrays_data(struct gl_context
*ctx
, GLint start
, GLsizei count
)
347 * Print info/data for glDrawArrays(), for debugging.
350 print_draw_arrays(struct gl_context
*ctx
,
351 GLenum mode
, GLint start
, GLsizei count
)
353 struct vbo_context
*vbo
= vbo_context(ctx
);
354 struct vbo_exec_context
*exec
= &vbo
->exec
;
355 struct gl_array_object
*arrayObj
= ctx
->Array
.ArrayObj
;
358 printf("vbo_exec_DrawArrays(mode 0x%x, start %d, count %d):\n",
361 for (i
= 0; i
< 32; i
++) {
362 struct gl_buffer_object
*bufObj
= exec
->array
.inputs
[i
]->BufferObj
;
363 GLuint bufName
= bufObj
->Name
;
364 GLint stride
= exec
->array
.inputs
[i
]->Stride
;
365 printf("attr %2d: size %d stride %d enabled %d "
366 "ptr %p Bufobj %u\n",
368 exec
->array
.inputs
[i
]->Size
,
370 /*exec->array.inputs[i]->Enabled,*/
371 arrayObj
->VertexAttrib
[VERT_ATTRIB_FF(i
)].Enabled
,
372 exec
->array
.inputs
[i
]->Ptr
,
376 GLubyte
*p
= ctx
->Driver
.MapBufferRange(ctx
, 0, bufObj
->Size
,
377 GL_MAP_READ_BIT
, bufObj
);
378 int offset
= (int) (GLintptr
) exec
->array
.inputs
[i
]->Ptr
;
379 float *f
= (float *) (p
+ offset
);
382 int n
= (count
* stride
) / 4;
385 printf(" Data at offset %d:\n", offset
);
386 for (i
= 0; i
< n
; i
++) {
387 printf(" float[%d] = 0x%08x %f\n", i
, k
[i
], f
[i
]);
389 ctx
->Driver
.UnmapBuffer(ctx
, bufObj
);
396 * Set the vbo->exec->inputs[] pointers to point to the enabled
397 * vertex arrays. This depends on the current vertex program/shader
398 * being executed because of whether or not generic vertex arrays
399 * alias the conventional vertex arrays.
400 * For arrays that aren't enabled, we set the input[attrib] pointer
401 * to point at a zero-stride current value "array".
404 recalculate_input_bindings(struct gl_context
*ctx
)
406 struct vbo_context
*vbo
= vbo_context(ctx
);
407 struct vbo_exec_context
*exec
= &vbo
->exec
;
408 struct gl_client_array
*vertexAttrib
= ctx
->Array
.ArrayObj
->VertexAttrib
;
409 const struct gl_client_array
**inputs
= &exec
->array
.inputs
[0];
410 GLbitfield64 const_inputs
= 0x0;
413 switch (get_program_mode(ctx
)) {
415 /* When no vertex program is active (or the vertex program is generated
416 * from fixed-function state). We put the material values into the
417 * generic slots. This is the only situation where material values
418 * are available as per-vertex attributes.
420 for (i
= 0; i
< VERT_ATTRIB_FF_MAX
; i
++) {
421 if (vertexAttrib
[VERT_ATTRIB_FF(i
)].Enabled
)
422 inputs
[i
] = &vertexAttrib
[VERT_ATTRIB_FF(i
)];
424 inputs
[i
] = &vbo
->currval
[VBO_ATTRIB_POS
+i
];
425 const_inputs
|= VERT_BIT(i
);
429 for (i
= 0; i
< MAT_ATTRIB_MAX
; i
++) {
430 inputs
[VERT_ATTRIB_GENERIC(i
)] =
431 &vbo
->currval
[VBO_ATTRIB_MAT_FRONT_AMBIENT
+i
];
432 const_inputs
|= VERT_BIT_GENERIC(i
);
435 /* Could use just about anything, just to fill in the empty
438 for (i
= MAT_ATTRIB_MAX
; i
< VERT_ATTRIB_GENERIC_MAX
; i
++) {
439 inputs
[VERT_ATTRIB_GENERIC(i
)] = &vbo
->currval
[VBO_ATTRIB_GENERIC0
+i
];
440 const_inputs
|= VERT_BIT_GENERIC(i
);
445 /* GL_ARB_vertex_program or GLSL vertex shader - Only the generic[0]
446 * attribute array aliases and overrides the legacy position array.
448 * Otherwise, legacy attributes available in the legacy slots,
449 * generic attributes in the generic slots and materials are not
450 * available as per-vertex attributes.
452 if (vertexAttrib
[VERT_ATTRIB_GENERIC0
].Enabled
)
453 inputs
[0] = &vertexAttrib
[VERT_ATTRIB_GENERIC0
];
454 else if (vertexAttrib
[VERT_ATTRIB_POS
].Enabled
)
455 inputs
[0] = &vertexAttrib
[VERT_ATTRIB_POS
];
457 inputs
[0] = &vbo
->currval
[VBO_ATTRIB_POS
];
458 const_inputs
|= VERT_BIT_POS
;
461 for (i
= 1; i
< VERT_ATTRIB_FF_MAX
; i
++) {
462 if (vertexAttrib
[VERT_ATTRIB_FF(i
)].Enabled
)
463 inputs
[i
] = &vertexAttrib
[VERT_ATTRIB_FF(i
)];
465 inputs
[i
] = &vbo
->currval
[VBO_ATTRIB_POS
+i
];
466 const_inputs
|= VERT_BIT_FF(i
);
470 for (i
= 1; i
< VERT_ATTRIB_GENERIC_MAX
; i
++) {
471 if (vertexAttrib
[VERT_ATTRIB_GENERIC(i
)].Enabled
)
472 inputs
[VERT_ATTRIB_GENERIC(i
)] = &vertexAttrib
[VERT_ATTRIB_GENERIC(i
)];
474 inputs
[VERT_ATTRIB_GENERIC(i
)] = &vbo
->currval
[VBO_ATTRIB_GENERIC0
+i
];
475 const_inputs
|= VERT_BIT_GENERIC(i
);
479 inputs
[VERT_ATTRIB_GENERIC0
] = inputs
[0];
483 _mesa_set_varying_vp_inputs( ctx
, VERT_BIT_ALL
& (~const_inputs
) );
484 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewArray
;
489 * Examine the enabled vertex arrays to set the exec->array.inputs[] values.
490 * These will point to the arrays to actually use for drawing. Some will
491 * be user-provided arrays, other will be zero-stride const-valued arrays.
492 * Note that this might set the _NEW_VARYING_VP_INPUTS dirty flag so state
493 * validation must be done after this call.
496 vbo_bind_arrays(struct gl_context
*ctx
)
498 struct vbo_context
*vbo
= vbo_context(ctx
);
499 struct vbo_exec_context
*exec
= &vbo
->exec
;
501 vbo_draw_method(vbo
, DRAW_ARRAYS
);
503 if (exec
->array
.recalculate_inputs
) {
504 recalculate_input_bindings(ctx
);
505 exec
->array
.recalculate_inputs
= GL_FALSE
;
507 /* Again... because we may have changed the bitmask of per-vertex varying
508 * attributes. If we regenerate the fixed-function vertex program now
509 * we may be able to prune down the number of vertex attributes which we
510 * need in the shader.
513 /* Setting "validating" to TRUE prevents _mesa_update_state from
514 * invalidating what we just did.
516 exec
->validating
= GL_TRUE
;
517 _mesa_update_state(ctx
);
518 exec
->validating
= GL_FALSE
;
525 * Handle a draw case that potentially has primitive restart enabled.
527 * If primitive restart is enabled, and PrimitiveRestartInSoftware is
528 * set, then vbo_sw_primitive_restart is used to handle the primitive
529 * restart case in software.
532 vbo_handle_primitive_restart(struct gl_context
*ctx
,
533 const struct _mesa_prim
*prim
,
535 const struct _mesa_index_buffer
*ib
,
536 GLboolean index_bounds_valid
,
540 struct vbo_context
*vbo
= vbo_context(ctx
);
543 ctx
->Const
.PrimitiveRestartInSoftware
&&
544 ctx
->Array
._PrimitiveRestart
) {
545 /* Handle primitive restart in software */
546 vbo_sw_primitive_restart(ctx
, prim
, nr_prims
, ib
);
548 /* Call driver directly for draw_prims */
549 vbo
->draw_prims(ctx
, prim
, nr_prims
, ib
,
550 index_bounds_valid
, min_index
, max_index
, NULL
);
556 * Helper function called by the other DrawArrays() functions below.
557 * This is where we handle primitive restart for drawing non-indexed
558 * arrays. If primitive restart is enabled, it typically means
559 * splitting one DrawArrays() into two.
562 vbo_draw_arrays(struct gl_context
*ctx
, GLenum mode
, GLint start
,
563 GLsizei count
, GLuint numInstances
, GLuint baseInstance
)
565 struct vbo_context
*vbo
= vbo_context(ctx
);
566 struct vbo_exec_context
*exec
= &vbo
->exec
;
567 struct _mesa_prim prim
[2];
569 vbo_bind_arrays(ctx
);
571 /* init most fields to zero */
572 memset(prim
, 0, sizeof(prim
));
576 prim
[0].num_instances
= numInstances
;
577 prim
[0].base_instance
= baseInstance
;
579 /* Implement the primitive restart index */
580 if (ctx
->Array
._PrimitiveRestart
&& ctx
->Array
._RestartIndex
< count
) {
581 GLuint primCount
= 0;
583 if (ctx
->Array
._RestartIndex
== start
) {
584 /* special case: RestartIndex at beginning */
586 prim
[0].start
= start
+ 1;
587 prim
[0].count
= count
- 1;
591 else if (ctx
->Array
._RestartIndex
== start
+ count
- 1) {
592 /* special case: RestartIndex at end */
594 prim
[0].start
= start
;
595 prim
[0].count
= count
- 1;
600 /* general case: RestartIndex in middle, split into two prims */
601 prim
[0].start
= start
;
602 prim
[0].count
= ctx
->Array
._RestartIndex
- start
;
605 prim
[1].start
= ctx
->Array
._RestartIndex
+ 1;
606 prim
[1].count
= count
- prim
[1].start
;
612 /* draw one or two prims */
613 check_buffers_are_unmapped(exec
->array
.inputs
);
614 vbo
->draw_prims(ctx
, prim
, primCount
, NULL
,
615 GL_TRUE
, start
, start
+ count
- 1, NULL
);
619 /* no prim restart */
620 prim
[0].start
= start
;
621 prim
[0].count
= count
;
623 check_buffers_are_unmapped(exec
->array
.inputs
);
624 vbo
->draw_prims(ctx
, prim
, 1, NULL
,
625 GL_TRUE
, start
, start
+ count
- 1,
629 if (MESA_DEBUG_FLAGS
& DEBUG_ALWAYS_FLUSH
) {
637 * Called from glDrawArrays when in immediate mode (not display list mode).
639 static void GLAPIENTRY
640 vbo_exec_DrawArrays(GLenum mode
, GLint start
, GLsizei count
)
642 GET_CURRENT_CONTEXT(ctx
);
644 if (MESA_VERBOSE
& VERBOSE_DRAW
)
645 _mesa_debug(ctx
, "glDrawArrays(%s, %d, %d)\n",
646 _mesa_lookup_enum_by_nr(mode
), start
, count
);
648 if (!_mesa_validate_DrawArrays( ctx
, mode
, start
, count
))
652 check_draw_arrays_data(ctx
, start
, count
);
654 vbo_draw_arrays(ctx
, mode
, start
, count
, 1, 0);
657 print_draw_arrays(ctx
, mode
, start
, count
);
662 * Called from glDrawArraysInstanced when in immediate mode (not
663 * display list mode).
665 static void GLAPIENTRY
666 vbo_exec_DrawArraysInstanced(GLenum mode
, GLint start
, GLsizei count
,
667 GLsizei numInstances
)
669 GET_CURRENT_CONTEXT(ctx
);
671 if (MESA_VERBOSE
& VERBOSE_DRAW
)
672 _mesa_debug(ctx
, "glDrawArraysInstanced(%s, %d, %d, %d)\n",
673 _mesa_lookup_enum_by_nr(mode
), start
, count
, numInstances
);
675 if (!_mesa_validate_DrawArraysInstanced(ctx
, mode
, start
, count
, numInstances
))
679 check_draw_arrays_data(ctx
, start
, count
);
681 vbo_draw_arrays(ctx
, mode
, start
, count
, numInstances
, 0);
684 print_draw_arrays(ctx
, mode
, start
, count
);
689 * Called from glDrawArraysInstancedBaseInstance when in immediate mode.
691 static void GLAPIENTRY
692 vbo_exec_DrawArraysInstancedBaseInstance(GLenum mode
, GLint first
, GLsizei count
,
693 GLsizei numInstances
, GLuint baseInstance
)
695 GET_CURRENT_CONTEXT(ctx
);
697 if (MESA_VERBOSE
& VERBOSE_DRAW
)
698 _mesa_debug(ctx
, "glDrawArraysInstancedBaseInstance(%s, %d, %d, %d, %d)\n",
699 _mesa_lookup_enum_by_nr(mode
), first
, count
,
700 numInstances
, baseInstance
);
702 if (!_mesa_validate_DrawArraysInstanced(ctx
, mode
, first
, count
,
707 check_draw_arrays_data(ctx
, first
, count
);
709 vbo_draw_arrays(ctx
, mode
, first
, count
, numInstances
, baseInstance
);
712 print_draw_arrays(ctx
, mode
, first
, count
);
718 * Map GL_ELEMENT_ARRAY_BUFFER and print contents.
723 dump_element_buffer(struct gl_context
*ctx
, GLenum type
)
726 ctx
->Driver
.MapBufferRange(ctx
, 0,
727 ctx
->Array
.ArrayObj
->ElementArrayBufferObj
->Size
,
729 ctx
->Array
.ArrayObj
->ElementArrayBufferObj
);
731 case GL_UNSIGNED_BYTE
:
733 const GLubyte
*us
= (const GLubyte
*) map
;
735 for (i
= 0; i
< ctx
->Array
.ArrayObj
->ElementArrayBufferObj
->Size
; i
++) {
736 printf("%02x ", us
[i
]);
743 case GL_UNSIGNED_SHORT
:
745 const GLushort
*us
= (const GLushort
*) map
;
747 for (i
= 0; i
< ctx
->Array
.ArrayObj
->ElementArrayBufferObj
->Size
/ 2; i
++) {
748 printf("%04x ", us
[i
]);
755 case GL_UNSIGNED_INT
:
757 const GLuint
*us
= (const GLuint
*) map
;
759 for (i
= 0; i
< ctx
->Array
.ArrayObj
->ElementArrayBufferObj
->Size
/ 4; i
++) {
760 printf("%08x ", us
[i
]);
771 ctx
->Driver
.UnmapBuffer(ctx
, ctx
->Array
.ArrayObj
->ElementArrayBufferObj
);
777 * Inner support for both _mesa_DrawElements and _mesa_DrawRangeElements.
778 * Do the rendering for a glDrawElements or glDrawRangeElements call after
779 * we've validated buffer bounds, etc.
782 vbo_validated_drawrangeelements(struct gl_context
*ctx
, GLenum mode
,
783 GLboolean index_bounds_valid
,
784 GLuint start
, GLuint end
,
785 GLsizei count
, GLenum type
,
786 const GLvoid
*indices
,
787 GLint basevertex
, GLuint numInstances
,
790 struct vbo_context
*vbo
= vbo_context(ctx
);
791 struct vbo_exec_context
*exec
= &vbo
->exec
;
792 struct _mesa_index_buffer ib
;
793 struct _mesa_prim prim
[1];
795 vbo_bind_arrays(ctx
);
799 ib
.obj
= ctx
->Array
.ArrayObj
->ElementArrayBufferObj
;
808 prim
[0].count
= count
;
810 prim
[0].basevertex
= basevertex
;
811 prim
[0].num_instances
= numInstances
;
812 prim
[0].base_instance
= baseInstance
;
814 /* Need to give special consideration to rendering a range of
815 * indices starting somewhere above zero. Typically the
816 * application is issuing multiple DrawRangeElements() to draw
817 * successive primitives layed out linearly in the vertex arrays.
818 * Unless the vertex arrays are all in a VBO (or locked as with
819 * CVA), the OpenGL semantics imply that we need to re-read or
820 * re-upload the vertex data on each draw call.
822 * In the case of hardware tnl, we want to avoid starting the
823 * upload at zero, as it will mean every draw call uploads an
824 * increasing amount of not-used vertex data. Worse - in the
825 * software tnl module, all those vertices might be transformed and
826 * lit but never rendered.
828 * If we just upload or transform the vertices in start..end,
829 * however, the indices will be incorrect.
831 * At this level, we don't know exactly what the requirements of
832 * the backend are going to be, though it will likely boil down to
835 * 1) Do nothing, everything is in a VBO and is processed once
838 * 2) Adjust the indices and vertex arrays so that start becomes
841 * Rather than doing anything here, I'll provide a helper function
842 * for the latter case elsewhere.
845 check_buffers_are_unmapped(exec
->array
.inputs
);
846 vbo_handle_primitive_restart(ctx
, prim
, 1, &ib
,
847 index_bounds_valid
, start
, end
);
849 if (MESA_DEBUG_FLAGS
& DEBUG_ALWAYS_FLUSH
) {
856 * Called by glDrawRangeElementsBaseVertex() in immediate mode.
858 static void GLAPIENTRY
859 vbo_exec_DrawRangeElementsBaseVertex(GLenum mode
,
860 GLuint start
, GLuint end
,
861 GLsizei count
, GLenum type
,
862 const GLvoid
*indices
,
865 static GLuint warnCount
= 0;
866 GLboolean index_bounds_valid
= GL_TRUE
;
867 GET_CURRENT_CONTEXT(ctx
);
869 if (MESA_VERBOSE
& VERBOSE_DRAW
)
871 "glDrawRangeElementsBaseVertex(%s, %u, %u, %d, %s, %p, %d)\n",
872 _mesa_lookup_enum_by_nr(mode
), start
, end
, count
,
873 _mesa_lookup_enum_by_nr(type
), indices
, basevertex
);
875 if (!_mesa_validate_DrawRangeElements( ctx
, mode
, start
, end
, count
,
876 type
, indices
, basevertex
))
879 if ((int) end
+ basevertex
< 0 ||
880 start
+ basevertex
>= ctx
->Array
.ArrayObj
->_MaxElement
) {
881 /* The application requested we draw using a range of indices that's
882 * outside the bounds of the current VBO. This is invalid and appears
883 * to give undefined results. The safest thing to do is to simply
884 * ignore the range, in case the application botched their range tracking
885 * but did provide valid indices. Also issue a warning indicating that
886 * the application is broken.
888 if (warnCount
++ < 10) {
889 _mesa_warning(ctx
, "glDrawRangeElements(start %u, end %u, "
890 "basevertex %d, count %d, type 0x%x, indices=%p):\n"
891 "\trange is outside VBO bounds (max=%u); ignoring.\n"
892 "\tThis should be fixed in the application.",
893 start
, end
, basevertex
, count
, type
, indices
,
894 ctx
->Array
.ArrayObj
->_MaxElement
- 1);
896 index_bounds_valid
= GL_FALSE
;
899 /* NOTE: It's important that 'end' is a reasonable value.
900 * in _tnl_draw_prims(), we use end to determine how many vertices
901 * to transform. If it's too large, we can unnecessarily split prims
902 * or we can read/write out of memory in several different places!
905 /* Catch/fix some potential user errors */
906 if (type
== GL_UNSIGNED_BYTE
) {
907 start
= MIN2(start
, 0xff);
908 end
= MIN2(end
, 0xff);
910 else if (type
== GL_UNSIGNED_SHORT
) {
911 start
= MIN2(start
, 0xffff);
912 end
= MIN2(end
, 0xffff);
916 printf("glDraw[Range]Elements{,BaseVertex}"
917 "(start %u, end %u, type 0x%x, count %d) ElemBuf %u, "
919 start
, end
, type
, count
,
920 ctx
->Array
.ArrayObj
->ElementArrayBufferObj
->Name
,
924 if ((int) start
+ basevertex
< 0 ||
925 end
+ basevertex
>= ctx
->Array
.ArrayObj
->_MaxElement
)
926 index_bounds_valid
= GL_FALSE
;
929 check_draw_elements_data(ctx
, count
, type
, indices
);
931 (void) check_draw_elements_data
;
934 vbo_validated_drawrangeelements(ctx
, mode
, index_bounds_valid
, start
, end
,
935 count
, type
, indices
, basevertex
, 1, 0);
940 * Called by glDrawRangeElements() in immediate mode.
942 static void GLAPIENTRY
943 vbo_exec_DrawRangeElements(GLenum mode
, GLuint start
, GLuint end
,
944 GLsizei count
, GLenum type
, const GLvoid
*indices
)
946 if (MESA_VERBOSE
& VERBOSE_DRAW
) {
947 GET_CURRENT_CONTEXT(ctx
);
949 "glDrawRangeElements(%s, %u, %u, %d, %s, %p)\n",
950 _mesa_lookup_enum_by_nr(mode
), start
, end
, count
,
951 _mesa_lookup_enum_by_nr(type
), indices
);
954 vbo_exec_DrawRangeElementsBaseVertex(mode
, start
, end
, count
, type
,
960 * Called by glDrawElements() in immediate mode.
962 static void GLAPIENTRY
963 vbo_exec_DrawElements(GLenum mode
, GLsizei count
, GLenum type
,
964 const GLvoid
*indices
)
966 GET_CURRENT_CONTEXT(ctx
);
968 if (MESA_VERBOSE
& VERBOSE_DRAW
)
969 _mesa_debug(ctx
, "glDrawElements(%s, %u, %s, %p)\n",
970 _mesa_lookup_enum_by_nr(mode
), count
,
971 _mesa_lookup_enum_by_nr(type
), indices
);
973 if (!_mesa_validate_DrawElements( ctx
, mode
, count
, type
, indices
, 0 ))
976 vbo_validated_drawrangeelements(ctx
, mode
, GL_FALSE
, ~0, ~0,
977 count
, type
, indices
, 0, 1, 0);
982 * Called by glDrawElementsBaseVertex() in immediate mode.
984 static void GLAPIENTRY
985 vbo_exec_DrawElementsBaseVertex(GLenum mode
, GLsizei count
, GLenum type
,
986 const GLvoid
*indices
, GLint basevertex
)
988 GET_CURRENT_CONTEXT(ctx
);
990 if (MESA_VERBOSE
& VERBOSE_DRAW
)
991 _mesa_debug(ctx
, "glDrawElementsBaseVertex(%s, %d, %s, %p, %d)\n",
992 _mesa_lookup_enum_by_nr(mode
), count
,
993 _mesa_lookup_enum_by_nr(type
), indices
, basevertex
);
995 if (!_mesa_validate_DrawElements( ctx
, mode
, count
, type
, indices
,
999 vbo_validated_drawrangeelements(ctx
, mode
, GL_FALSE
, ~0, ~0,
1000 count
, type
, indices
, basevertex
, 1, 0);
1005 * Called by glDrawElementsInstanced() in immediate mode.
1007 static void GLAPIENTRY
1008 vbo_exec_DrawElementsInstanced(GLenum mode
, GLsizei count
, GLenum type
,
1009 const GLvoid
*indices
, GLsizei numInstances
)
1011 GET_CURRENT_CONTEXT(ctx
);
1013 if (MESA_VERBOSE
& VERBOSE_DRAW
)
1014 _mesa_debug(ctx
, "glDrawElementsInstanced(%s, %d, %s, %p, %d)\n",
1015 _mesa_lookup_enum_by_nr(mode
), count
,
1016 _mesa_lookup_enum_by_nr(type
), indices
, numInstances
);
1018 if (!_mesa_validate_DrawElementsInstanced(ctx
, mode
, count
, type
, indices
,
1022 vbo_validated_drawrangeelements(ctx
, mode
, GL_FALSE
, ~0, ~0,
1023 count
, type
, indices
, 0, numInstances
, 0);
1028 * Called by glDrawElementsInstancedBaseVertex() in immediate mode.
1030 static void GLAPIENTRY
1031 vbo_exec_DrawElementsInstancedBaseVertex(GLenum mode
, GLsizei count
, GLenum type
,
1032 const GLvoid
*indices
, GLsizei numInstances
,
1035 GET_CURRENT_CONTEXT(ctx
);
1037 if (MESA_VERBOSE
& VERBOSE_DRAW
)
1038 _mesa_debug(ctx
, "glDrawElementsInstancedBaseVertex(%s, %d, %s, %p, %d; %d)\n",
1039 _mesa_lookup_enum_by_nr(mode
), count
,
1040 _mesa_lookup_enum_by_nr(type
), indices
,
1041 numInstances
, basevertex
);
1043 if (!_mesa_validate_DrawElementsInstanced(ctx
, mode
, count
, type
, indices
,
1044 numInstances
, basevertex
))
1047 vbo_validated_drawrangeelements(ctx
, mode
, GL_FALSE
, ~0, ~0,
1048 count
, type
, indices
, basevertex
, numInstances
, 0);
1053 * Called by glDrawElementsInstancedBaseInstance() in immediate mode.
1055 static void GLAPIENTRY
1056 vbo_exec_DrawElementsInstancedBaseInstance(GLenum mode
, GLsizei count
, GLenum type
,
1057 const GLvoid
*indices
, GLsizei numInstances
,
1058 GLuint baseInstance
)
1060 GET_CURRENT_CONTEXT(ctx
);
1062 if (MESA_VERBOSE
& VERBOSE_DRAW
)
1063 _mesa_debug(ctx
, "glDrawElementsInstancedBaseInstance(%s, %d, %s, %p, %d, %d)\n",
1064 _mesa_lookup_enum_by_nr(mode
), count
,
1065 _mesa_lookup_enum_by_nr(type
), indices
,
1066 numInstances
, baseInstance
);
1068 if (!_mesa_validate_DrawElementsInstanced(ctx
, mode
, count
, type
, indices
,
1072 vbo_validated_drawrangeelements(ctx
, mode
, GL_FALSE
, ~0, ~0,
1073 count
, type
, indices
, 0, numInstances
,
1079 * Called by glDrawElementsInstancedBaseVertexBaseInstance() in immediate mode.
1081 static void GLAPIENTRY
1082 vbo_exec_DrawElementsInstancedBaseVertexBaseInstance(GLenum mode
, GLsizei count
, GLenum type
,
1083 const GLvoid
*indices
, GLsizei numInstances
,
1084 GLint basevertex
, GLuint baseInstance
)
1086 GET_CURRENT_CONTEXT(ctx
);
1088 if (MESA_VERBOSE
& VERBOSE_DRAW
)
1089 _mesa_debug(ctx
, "glDrawElementsInstancedBaseVertexBaseInstance(%s, %d, %s, %p, %d, %d, %d)\n",
1090 _mesa_lookup_enum_by_nr(mode
), count
,
1091 _mesa_lookup_enum_by_nr(type
), indices
,
1092 numInstances
, basevertex
, baseInstance
);
1094 if (!_mesa_validate_DrawElementsInstanced(ctx
, mode
, count
, type
, indices
,
1095 numInstances
, basevertex
))
1098 vbo_validated_drawrangeelements(ctx
, mode
, GL_FALSE
, ~0, ~0,
1099 count
, type
, indices
, basevertex
, numInstances
,
1105 * Inner support for both _mesa_MultiDrawElements() and
1106 * _mesa_MultiDrawRangeElements().
1107 * This does the actual rendering after we've checked array indexes, etc.
1110 vbo_validated_multidrawelements(struct gl_context
*ctx
, GLenum mode
,
1111 const GLsizei
*count
, GLenum type
,
1112 const GLvoid
* const *indices
,
1114 const GLint
*basevertex
)
1116 struct vbo_context
*vbo
= vbo_context(ctx
);
1117 struct vbo_exec_context
*exec
= &vbo
->exec
;
1118 struct _mesa_index_buffer ib
;
1119 struct _mesa_prim
*prim
;
1120 unsigned int index_type_size
= vbo_sizeof_ib_type(type
);
1121 uintptr_t min_index_ptr
, max_index_ptr
;
1122 GLboolean fallback
= GL_FALSE
;
1128 prim
= calloc(1, primcount
* sizeof(*prim
));
1130 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glMultiDrawElements");
1134 vbo_bind_arrays(ctx
);
1136 min_index_ptr
= (uintptr_t)indices
[0];
1138 for (i
= 0; i
< primcount
; i
++) {
1139 min_index_ptr
= MIN2(min_index_ptr
, (uintptr_t)indices
[i
]);
1140 max_index_ptr
= MAX2(max_index_ptr
, (uintptr_t)indices
[i
] +
1141 index_type_size
* count
[i
]);
1144 /* Check if we can handle this thing as a bunch of index offsets from the
1145 * same index pointer. If we can't, then we have to fall back to doing
1146 * a draw_prims per primitive.
1147 * Check that the difference between each prim's indexes is a multiple of
1148 * the index/element size.
1150 if (index_type_size
!= 1) {
1151 for (i
= 0; i
< primcount
; i
++) {
1152 if ((((uintptr_t)indices
[i
] - min_index_ptr
) % index_type_size
) != 0) {
1159 /* If the index buffer isn't in a VBO, then treating the application's
1160 * subranges of the index buffer as one large index buffer may lead to
1161 * us reading unmapped memory.
1163 if (!_mesa_is_bufferobj(ctx
->Array
.ArrayObj
->ElementArrayBufferObj
))
1167 ib
.count
= (max_index_ptr
- min_index_ptr
) / index_type_size
;
1169 ib
.obj
= ctx
->Array
.ArrayObj
->ElementArrayBufferObj
;
1170 ib
.ptr
= (void *)min_index_ptr
;
1172 for (i
= 0; i
< primcount
; i
++) {
1173 prim
[i
].begin
= (i
== 0);
1174 prim
[i
].end
= (i
== primcount
- 1);
1177 prim
[i
].mode
= mode
;
1178 prim
[i
].start
= ((uintptr_t)indices
[i
] - min_index_ptr
) / index_type_size
;
1179 prim
[i
].count
= count
[i
];
1180 prim
[i
].indexed
= 1;
1181 prim
[i
].num_instances
= 1;
1182 prim
[i
].base_instance
= 0;
1183 if (basevertex
!= NULL
)
1184 prim
[i
].basevertex
= basevertex
[i
];
1186 prim
[i
].basevertex
= 0;
1189 check_buffers_are_unmapped(exec
->array
.inputs
);
1190 vbo_handle_primitive_restart(ctx
, prim
, primcount
, &ib
,
1193 /* render one prim at a time */
1194 for (i
= 0; i
< primcount
; i
++) {
1195 ib
.count
= count
[i
];
1197 ib
.obj
= ctx
->Array
.ArrayObj
->ElementArrayBufferObj
;
1198 ib
.ptr
= indices
[i
];
1204 prim
[0].mode
= mode
;
1206 prim
[0].count
= count
[i
];
1207 prim
[0].indexed
= 1;
1208 prim
[0].num_instances
= 1;
1209 prim
[0].base_instance
= 0;
1210 if (basevertex
!= NULL
)
1211 prim
[0].basevertex
= basevertex
[i
];
1213 prim
[0].basevertex
= 0;
1215 check_buffers_are_unmapped(exec
->array
.inputs
);
1216 vbo_handle_primitive_restart(ctx
, prim
, 1, &ib
,
1223 if (MESA_DEBUG_FLAGS
& DEBUG_ALWAYS_FLUSH
) {
1229 static void GLAPIENTRY
1230 vbo_exec_MultiDrawElements(GLenum mode
,
1231 const GLsizei
*count
, GLenum type
,
1232 const GLvoid
**indices
,
1235 GET_CURRENT_CONTEXT(ctx
);
1237 if (!_mesa_validate_MultiDrawElements(ctx
, mode
, count
, type
, indices
,
1241 vbo_validated_multidrawelements(ctx
, mode
, count
, type
, indices
, primcount
,
1246 static void GLAPIENTRY
1247 vbo_exec_MultiDrawElementsBaseVertex(GLenum mode
,
1248 const GLsizei
*count
, GLenum type
,
1249 const GLvoid
* const *indices
,
1251 const GLsizei
*basevertex
)
1253 GET_CURRENT_CONTEXT(ctx
);
1255 if (!_mesa_validate_MultiDrawElements(ctx
, mode
, count
, type
, indices
,
1256 primcount
, basevertex
))
1259 vbo_validated_multidrawelements(ctx
, mode
, count
, type
, indices
, primcount
,
1264 vbo_draw_transform_feedback(struct gl_context
*ctx
, GLenum mode
,
1265 struct gl_transform_feedback_object
*obj
,
1266 GLuint stream
, GLuint numInstances
)
1268 struct vbo_context
*vbo
= vbo_context(ctx
);
1269 struct vbo_exec_context
*exec
= &vbo
->exec
;
1270 struct _mesa_prim prim
[2];
1272 if (!_mesa_validate_DrawTransformFeedback(ctx
, mode
, obj
, stream
,
1277 vbo_bind_arrays(ctx
);
1279 /* init most fields to zero */
1280 memset(prim
, 0, sizeof(prim
));
1283 prim
[0].mode
= mode
;
1284 prim
[0].num_instances
= numInstances
;
1285 prim
[0].base_instance
= 0;
1287 /* Maybe we should do some primitive splitting for primitive restart
1288 * (like in DrawArrays), but we have no way to know how many vertices
1289 * will be rendered. */
1291 check_buffers_are_unmapped(exec
->array
.inputs
);
1292 vbo
->draw_prims(ctx
, prim
, 1, NULL
,
1293 GL_TRUE
, 0, 0, obj
);
1295 if (MESA_DEBUG_FLAGS
& DEBUG_ALWAYS_FLUSH
) {
1301 * Like DrawArrays, but take the count from a transform feedback object.
1302 * \param mode GL_POINTS, GL_LINES, GL_TRIANGLE_STRIP, etc.
1303 * \param name the transform feedback object
1304 * User still has to setup of the vertex attribute info with
1305 * glVertexPointer, glColorPointer, etc.
1306 * Part of GL_ARB_transform_feedback2.
1308 static void GLAPIENTRY
1309 vbo_exec_DrawTransformFeedback(GLenum mode
, GLuint name
)
1311 GET_CURRENT_CONTEXT(ctx
);
1312 struct gl_transform_feedback_object
*obj
=
1313 _mesa_lookup_transform_feedback_object(ctx
, name
);
1315 if (MESA_VERBOSE
& VERBOSE_DRAW
)
1316 _mesa_debug(ctx
, "glDrawTransformFeedback(%s, %d)\n",
1317 _mesa_lookup_enum_by_nr(mode
), name
);
1319 vbo_draw_transform_feedback(ctx
, mode
, obj
, 0, 1);
1322 static void GLAPIENTRY
1323 vbo_exec_DrawTransformFeedbackStream(GLenum mode
, GLuint name
, GLuint stream
)
1325 GET_CURRENT_CONTEXT(ctx
);
1326 struct gl_transform_feedback_object
*obj
=
1327 _mesa_lookup_transform_feedback_object(ctx
, name
);
1329 if (MESA_VERBOSE
& VERBOSE_DRAW
)
1330 _mesa_debug(ctx
, "glDrawTransformFeedbackStream(%s, %u, %u)\n",
1331 _mesa_lookup_enum_by_nr(mode
), name
, stream
);
1333 vbo_draw_transform_feedback(ctx
, mode
, obj
, stream
, 1);
1336 static void GLAPIENTRY
1337 vbo_exec_DrawTransformFeedbackInstanced(GLenum mode
, GLuint name
,
1340 GET_CURRENT_CONTEXT(ctx
);
1341 struct gl_transform_feedback_object
*obj
=
1342 _mesa_lookup_transform_feedback_object(ctx
, name
);
1344 if (MESA_VERBOSE
& VERBOSE_DRAW
)
1345 _mesa_debug(ctx
, "glDrawTransformFeedbackInstanced(%s, %d)\n",
1346 _mesa_lookup_enum_by_nr(mode
), name
);
1348 vbo_draw_transform_feedback(ctx
, mode
, obj
, 0, primcount
);
1351 static void GLAPIENTRY
1352 vbo_exec_DrawTransformFeedbackStreamInstanced(GLenum mode
, GLuint name
,
1353 GLuint stream
, GLsizei primcount
)
1355 GET_CURRENT_CONTEXT(ctx
);
1356 struct gl_transform_feedback_object
*obj
=
1357 _mesa_lookup_transform_feedback_object(ctx
, name
);
1359 if (MESA_VERBOSE
& VERBOSE_DRAW
)
1360 _mesa_debug(ctx
, "glDrawTransformFeedbackStreamInstanced"
1361 "(%s, %u, %u, %i)\n",
1362 _mesa_lookup_enum_by_nr(mode
), name
, stream
, primcount
);
1364 vbo_draw_transform_feedback(ctx
, mode
, obj
, stream
, primcount
);
1368 * Plug in the immediate-mode vertex array drawing commands into the
1369 * givven vbo_exec_context object.
1372 vbo_exec_array_init( struct vbo_exec_context
*exec
)
1374 exec
->vtxfmt
.DrawArrays
= vbo_exec_DrawArrays
;
1375 exec
->vtxfmt
.DrawElements
= vbo_exec_DrawElements
;
1376 exec
->vtxfmt
.DrawRangeElements
= vbo_exec_DrawRangeElements
;
1377 exec
->vtxfmt
.MultiDrawElementsEXT
= vbo_exec_MultiDrawElements
;
1378 exec
->vtxfmt
.DrawElementsBaseVertex
= vbo_exec_DrawElementsBaseVertex
;
1379 exec
->vtxfmt
.DrawRangeElementsBaseVertex
= vbo_exec_DrawRangeElementsBaseVertex
;
1380 exec
->vtxfmt
.MultiDrawElementsBaseVertex
= vbo_exec_MultiDrawElementsBaseVertex
;
1381 exec
->vtxfmt
.DrawArraysInstanced
= vbo_exec_DrawArraysInstanced
;
1382 exec
->vtxfmt
.DrawArraysInstancedBaseInstance
= vbo_exec_DrawArraysInstancedBaseInstance
;
1383 exec
->vtxfmt
.DrawElementsInstanced
= vbo_exec_DrawElementsInstanced
;
1384 exec
->vtxfmt
.DrawElementsInstancedBaseInstance
= vbo_exec_DrawElementsInstancedBaseInstance
;
1385 exec
->vtxfmt
.DrawElementsInstancedBaseVertex
= vbo_exec_DrawElementsInstancedBaseVertex
;
1386 exec
->vtxfmt
.DrawElementsInstancedBaseVertexBaseInstance
= vbo_exec_DrawElementsInstancedBaseVertexBaseInstance
;
1387 exec
->vtxfmt
.DrawTransformFeedback
= vbo_exec_DrawTransformFeedback
;
1388 exec
->vtxfmt
.DrawTransformFeedbackStream
=
1389 vbo_exec_DrawTransformFeedbackStream
;
1390 exec
->vtxfmt
.DrawTransformFeedbackInstanced
=
1391 vbo_exec_DrawTransformFeedbackInstanced
;
1392 exec
->vtxfmt
.DrawTransformFeedbackStreamInstanced
=
1393 vbo_exec_DrawTransformFeedbackStreamInstanced
;
1398 vbo_exec_array_destroy( struct vbo_exec_context
*exec
)
1405 * Initialize the dispatch table with the VBO functions for drawing.
1408 vbo_initialize_exec_dispatch(const struct gl_context
*ctx
,
1409 struct _glapi_table
*exec
)
1411 SET_DrawArrays(exec
, vbo_exec_DrawArrays
);
1412 SET_DrawElements(exec
, vbo_exec_DrawElements
);
1414 if (_mesa_is_desktop_gl(ctx
) || _mesa_is_gles3(ctx
)) {
1415 SET_DrawRangeElements(exec
, vbo_exec_DrawRangeElements
);
1418 SET_MultiDrawElementsEXT(exec
, vbo_exec_MultiDrawElements
);
1420 if (_mesa_is_desktop_gl(ctx
)) {
1421 SET_DrawElementsBaseVertex(exec
, vbo_exec_DrawElementsBaseVertex
);
1422 SET_DrawRangeElementsBaseVertex(exec
, vbo_exec_DrawRangeElementsBaseVertex
);
1423 SET_MultiDrawElementsBaseVertex(exec
, vbo_exec_MultiDrawElementsBaseVertex
);
1424 SET_DrawArraysInstancedBaseInstance(exec
, vbo_exec_DrawArraysInstancedBaseInstance
);
1425 SET_DrawElementsInstancedBaseInstance(exec
, vbo_exec_DrawElementsInstancedBaseInstance
);
1426 SET_DrawElementsInstancedBaseVertex(exec
, vbo_exec_DrawElementsInstancedBaseVertex
);
1427 SET_DrawElementsInstancedBaseVertexBaseInstance(exec
, vbo_exec_DrawElementsInstancedBaseVertexBaseInstance
);
1430 if (_mesa_is_desktop_gl(ctx
) || _mesa_is_gles3(ctx
)) {
1431 SET_DrawArraysInstancedARB(exec
, vbo_exec_DrawArraysInstanced
);
1432 SET_DrawElementsInstancedARB(exec
, vbo_exec_DrawElementsInstanced
);
1435 if (_mesa_is_desktop_gl(ctx
)) {
1436 SET_DrawTransformFeedback(exec
, vbo_exec_DrawTransformFeedback
);
1437 SET_DrawTransformFeedbackStream(exec
, vbo_exec_DrawTransformFeedbackStream
);
1438 SET_DrawTransformFeedbackInstanced(exec
, vbo_exec_DrawTransformFeedbackInstanced
);
1439 SET_DrawTransformFeedbackStreamInstanced(exec
, vbo_exec_DrawTransformFeedbackStreamInstanced
);
1446 * The following functions are only used for OpenGL ES 1/2 support.
1447 * And some aren't even supported (yet) in ES 1/2.
1452 _mesa_DrawArrays(GLenum mode
, GLint first
, GLsizei count
)
1454 vbo_exec_DrawArrays(mode
, first
, count
);
1459 _mesa_DrawElements(GLenum mode
, GLsizei count
, GLenum type
,
1460 const GLvoid
*indices
)
1462 vbo_exec_DrawElements(mode
, count
, type
, indices
);
1467 _mesa_DrawElementsBaseVertex(GLenum mode
, GLsizei count
, GLenum type
,
1468 const GLvoid
*indices
, GLint basevertex
)
1470 vbo_exec_DrawElementsBaseVertex(mode
, count
, type
, indices
, basevertex
);
1475 _mesa_DrawRangeElements(GLenum mode
, GLuint start
, GLuint end
, GLsizei count
,
1476 GLenum type
, const GLvoid
*indices
)
1478 vbo_exec_DrawRangeElements(mode
, start
, end
, count
, type
, indices
);
1483 _mesa_DrawRangeElementsBaseVertex(GLenum mode
, GLuint start
, GLuint end
,
1484 GLsizei count
, GLenum type
,
1485 const GLvoid
*indices
, GLint basevertex
)
1487 vbo_exec_DrawRangeElementsBaseVertex(mode
, start
, end
, count
, type
,
1488 indices
, basevertex
);
1493 _mesa_MultiDrawElementsEXT(GLenum mode
, const GLsizei
*count
, GLenum type
,
1494 const GLvoid
**indices
, GLsizei primcount
)
1496 vbo_exec_MultiDrawElements(mode
, count
, type
, indices
, primcount
);
1501 _mesa_MultiDrawElementsBaseVertex(GLenum mode
,
1502 const GLsizei
*count
, GLenum type
,
1503 const GLvoid
**indices
, GLsizei primcount
,
1504 const GLint
*basevertex
)
1506 vbo_exec_MultiDrawElementsBaseVertex(mode
, count
, type
, indices
,
1507 primcount
, basevertex
);
1511 _mesa_DrawTransformFeedback(GLenum mode
, GLuint name
)
1513 vbo_exec_DrawTransformFeedback(mode
, name
);