1 /**************************************************************************
3 Copyright 2002-2008 Tungsten Graphics Inc., Cedar Park, Texas.
7 Permission is hereby granted, free of charge, to any person obtaining a
8 copy of this software and associated documentation files (the "Software"),
9 to deal in the Software without restriction, including without limitation
10 on the rights to use, copy, modify, merge, publish, distribute, sub
11 license, and/or sell copies of the Software, and to permit persons to whom
12 the Software is furnished to do so, subject to the following conditions:
14 The above copyright notice and this permission notice (including the next
15 paragraph) shall be included in all copies or substantial portions of the
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * Keith Whitwell <keith@tungstengraphics.com>
33 #include "main/glheader.h"
34 #include "main/bufferobj.h"
35 #include "main/context.h"
36 #include "main/macros.h"
37 #include "main/mfeatures.h"
38 #include "main/vtxfmt.h"
39 #include "main/dlist.h"
40 #include "main/eval.h"
41 #include "main/state.h"
42 #include "main/light.h"
43 #include "main/api_arrayelt.h"
44 #include "main/api_validate.h"
45 #include "main/dispatch.h"
47 #include "vbo_context.h"
56 /** ID/name for immediate-mode VBO */
57 #define IMM_BUFFER_NAME 0xaabbccdd
60 static void reset_attrfv( struct vbo_exec_context
*exec
);
64 * Close off the last primitive, execute the buffer, restart the
67 static void vbo_exec_wrap_buffers( struct vbo_exec_context
*exec
)
69 if (exec
->vtx
.prim_count
== 0) {
70 exec
->vtx
.copied
.nr
= 0;
71 exec
->vtx
.vert_count
= 0;
72 exec
->vtx
.buffer_ptr
= exec
->vtx
.buffer_map
;
75 GLuint last_begin
= exec
->vtx
.prim
[exec
->vtx
.prim_count
-1].begin
;
78 if (exec
->ctx
->Driver
.CurrentExecPrimitive
!= PRIM_OUTSIDE_BEGIN_END
) {
79 GLint i
= exec
->vtx
.prim_count
- 1;
81 exec
->vtx
.prim
[i
].count
= (exec
->vtx
.vert_count
-
82 exec
->vtx
.prim
[i
].start
);
85 last_count
= exec
->vtx
.prim
[exec
->vtx
.prim_count
-1].count
;
87 /* Execute the buffer and save copied vertices.
89 if (exec
->vtx
.vert_count
)
90 vbo_exec_vtx_flush( exec
, GL_FALSE
);
92 exec
->vtx
.prim_count
= 0;
93 exec
->vtx
.copied
.nr
= 0;
96 /* Emit a glBegin to start the new list.
98 assert(exec
->vtx
.prim_count
== 0);
100 if (exec
->ctx
->Driver
.CurrentExecPrimitive
!= PRIM_OUTSIDE_BEGIN_END
) {
101 exec
->vtx
.prim
[0].mode
= exec
->ctx
->Driver
.CurrentExecPrimitive
;
102 exec
->vtx
.prim
[0].start
= 0;
103 exec
->vtx
.prim
[0].count
= 0;
104 exec
->vtx
.prim_count
++;
106 if (exec
->vtx
.copied
.nr
== last_count
)
107 exec
->vtx
.prim
[0].begin
= last_begin
;
114 * Deal with buffer wrapping where provoked by the vertex buffer
115 * filling up, as opposed to upgrade_vertex().
117 void vbo_exec_vtx_wrap( struct vbo_exec_context
*exec
)
119 GLfloat
*data
= exec
->vtx
.copied
.buffer
;
122 /* Run pipeline on current vertices, copy wrapped vertices
123 * to exec->vtx.copied.
125 vbo_exec_wrap_buffers( exec
);
127 /* Copy stored stored vertices to start of new list.
129 assert(exec
->vtx
.max_vert
- exec
->vtx
.vert_count
> exec
->vtx
.copied
.nr
);
131 for (i
= 0 ; i
< exec
->vtx
.copied
.nr
; i
++) {
132 memcpy( exec
->vtx
.buffer_ptr
, data
,
133 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
134 exec
->vtx
.buffer_ptr
+= exec
->vtx
.vertex_size
;
135 data
+= exec
->vtx
.vertex_size
;
136 exec
->vtx
.vert_count
++;
139 exec
->vtx
.copied
.nr
= 0;
144 * Copy the active vertex's values to the ctx->Current fields.
146 static void vbo_exec_copy_to_current( struct vbo_exec_context
*exec
)
148 struct gl_context
*ctx
= exec
->ctx
;
149 struct vbo_context
*vbo
= vbo_context(ctx
);
152 for (i
= VBO_ATTRIB_POS
+1 ; i
< VBO_ATTRIB_MAX
; i
++) {
153 if (exec
->vtx
.attrsz
[i
]) {
154 /* Note: the exec->vtx.current[i] pointers point into the
155 * ctx->Current.Attrib and ctx->Light.Material.Attrib arrays.
157 GLfloat
*current
= (GLfloat
*)vbo
->currval
[i
].Ptr
;
162 exec
->vtx
.attrptr
[i
]);
164 if (memcmp(current
, tmp
, sizeof(tmp
)) != 0) {
165 memcpy(current
, tmp
, sizeof(tmp
));
167 /* Given that we explicitly state size here, there is no need
168 * for the COPY_CLEAN above, could just copy 16 bytes and be
169 * done. The only problem is when Mesa accesses ctx->Current
172 vbo
->currval
[i
].Size
= exec
->vtx
.attrsz
[i
];
173 assert(vbo
->currval
[i
].Type
== GL_FLOAT
);
174 vbo
->currval
[i
]._ElementSize
= vbo
->currval
[i
].Size
* sizeof(GLfloat
);
176 /* This triggers rather too much recalculation of Mesa state
177 * that doesn't get used (eg light positions).
179 if (i
>= VBO_ATTRIB_MAT_FRONT_AMBIENT
&&
180 i
<= VBO_ATTRIB_MAT_BACK_INDEXES
)
181 ctx
->NewState
|= _NEW_LIGHT
;
183 ctx
->NewState
|= _NEW_CURRENT_ATTRIB
;
188 /* Colormaterial -- this kindof sucks.
190 if (ctx
->Light
.ColorMaterialEnabled
&&
191 exec
->vtx
.attrsz
[VBO_ATTRIB_COLOR0
]) {
192 _mesa_update_color_material(ctx
,
193 ctx
->Current
.Attrib
[VBO_ATTRIB_COLOR0
]);
199 * Copy current vertex attribute values into the current vertex.
202 vbo_exec_copy_from_current(struct vbo_exec_context
*exec
)
204 struct gl_context
*ctx
= exec
->ctx
;
205 struct vbo_context
*vbo
= vbo_context(ctx
);
208 for (i
= VBO_ATTRIB_POS
+ 1; i
< VBO_ATTRIB_MAX
; i
++) {
209 const GLfloat
*current
= (GLfloat
*) vbo
->currval
[i
].Ptr
;
210 switch (exec
->vtx
.attrsz
[i
]) {
211 case 4: exec
->vtx
.attrptr
[i
][3] = current
[3];
212 case 3: exec
->vtx
.attrptr
[i
][2] = current
[2];
213 case 2: exec
->vtx
.attrptr
[i
][1] = current
[1];
214 case 1: exec
->vtx
.attrptr
[i
][0] = current
[0];
222 * Flush existing data, set new attrib size, replay copied vertices.
223 * This is called when we transition from a small vertex attribute size
224 * to a larger one. Ex: glTexCoord2f -> glTexCoord4f.
225 * We need to go back over the previous 2-component texcoords and insert
226 * zero and one values.
229 vbo_exec_wrap_upgrade_vertex(struct vbo_exec_context
*exec
,
230 GLuint attr
, GLuint newSize
)
232 struct gl_context
*ctx
= exec
->ctx
;
233 struct vbo_context
*vbo
= vbo_context(ctx
);
234 const GLint lastcount
= exec
->vtx
.vert_count
;
235 GLfloat
*old_attrptr
[VBO_ATTRIB_MAX
];
236 const GLuint old_vtx_size
= exec
->vtx
.vertex_size
; /* floats per vertex */
237 const GLuint oldSize
= exec
->vtx
.attrsz
[attr
];
240 /* Run pipeline on current vertices, copy wrapped vertices
241 * to exec->vtx.copied.
243 vbo_exec_wrap_buffers( exec
);
245 if (unlikely(exec
->vtx
.copied
.nr
)) {
246 /* We're in the middle of a primitive, keep the old vertex
247 * format around to be able to translate the copied vertices to
250 memcpy(old_attrptr
, exec
->vtx
.attrptr
, sizeof(old_attrptr
));
253 if (unlikely(oldSize
)) {
254 /* Do a COPY_TO_CURRENT to ensure back-copying works for the
255 * case when the attribute already exists in the vertex and is
256 * having its size increased.
258 vbo_exec_copy_to_current( exec
);
261 /* Heuristic: Attempt to isolate attributes received outside
262 * begin/end so that they don't bloat the vertices.
264 if (ctx
->Driver
.CurrentExecPrimitive
== PRIM_OUTSIDE_BEGIN_END
&&
265 !oldSize
&& lastcount
> 8 && exec
->vtx
.vertex_size
) {
266 vbo_exec_copy_to_current( exec
);
267 reset_attrfv( exec
);
272 exec
->vtx
.attrsz
[attr
] = newSize
;
273 exec
->vtx
.vertex_size
+= newSize
- oldSize
;
274 exec
->vtx
.max_vert
= ((VBO_VERT_BUFFER_SIZE
- exec
->vtx
.buffer_used
) /
275 (exec
->vtx
.vertex_size
* sizeof(GLfloat
)));
276 exec
->vtx
.vert_count
= 0;
277 exec
->vtx
.buffer_ptr
= exec
->vtx
.buffer_map
;
279 if (unlikely(oldSize
)) {
280 /* Size changed, recalculate all the attrptr[] values
282 GLfloat
*tmp
= exec
->vtx
.vertex
;
284 for (i
= 0 ; i
< VBO_ATTRIB_MAX
; i
++) {
285 if (exec
->vtx
.attrsz
[i
]) {
286 exec
->vtx
.attrptr
[i
] = tmp
;
287 tmp
+= exec
->vtx
.attrsz
[i
];
290 exec
->vtx
.attrptr
[i
] = NULL
; /* will not be dereferenced */
293 /* Copy from current to repopulate the vertex with correct
296 vbo_exec_copy_from_current( exec
);
299 /* Just have to append the new attribute at the end */
300 exec
->vtx
.attrptr
[attr
] = exec
->vtx
.vertex
+
301 exec
->vtx
.vertex_size
- newSize
;
304 /* Replay stored vertices to translate them
305 * to new format here.
307 * -- No need to replay - just copy piecewise
309 if (unlikely(exec
->vtx
.copied
.nr
)) {
310 GLfloat
*data
= exec
->vtx
.copied
.buffer
;
311 GLfloat
*dest
= exec
->vtx
.buffer_ptr
;
314 assert(exec
->vtx
.buffer_ptr
== exec
->vtx
.buffer_map
);
316 for (i
= 0 ; i
< exec
->vtx
.copied
.nr
; i
++) {
317 for (j
= 0 ; j
< VBO_ATTRIB_MAX
; j
++) {
318 GLuint sz
= exec
->vtx
.attrsz
[j
];
321 GLint old_offset
= old_attrptr
[j
] - exec
->vtx
.vertex
;
322 GLint new_offset
= exec
->vtx
.attrptr
[j
] - exec
->vtx
.vertex
;
327 COPY_CLEAN_4V(tmp
, oldSize
, data
+ old_offset
);
328 COPY_SZ_4V(dest
+ new_offset
, newSize
, tmp
);
330 GLfloat
*current
= (GLfloat
*)vbo
->currval
[j
].Ptr
;
331 COPY_SZ_4V(dest
+ new_offset
, sz
, current
);
335 COPY_SZ_4V(dest
+ new_offset
, sz
, data
+ old_offset
);
340 data
+= old_vtx_size
;
341 dest
+= exec
->vtx
.vertex_size
;
344 exec
->vtx
.buffer_ptr
= dest
;
345 exec
->vtx
.vert_count
+= exec
->vtx
.copied
.nr
;
346 exec
->vtx
.copied
.nr
= 0;
352 * This is when a vertex attribute transitions to a different size.
353 * For example, we saw a bunch of glTexCoord2f() calls and now we got a
354 * glTexCoord4f() call. We promote the array from size=2 to size=4.
357 vbo_exec_fixup_vertex(struct gl_context
*ctx
, GLuint attr
, GLuint newSize
)
359 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
361 if (newSize
> exec
->vtx
.attrsz
[attr
]) {
362 /* New size is larger. Need to flush existing vertices and get
363 * an enlarged vertex format.
365 vbo_exec_wrap_upgrade_vertex( exec
, attr
, newSize
);
367 else if (newSize
< exec
->vtx
.active_sz
[attr
]) {
368 static const GLfloat id
[4] = { 0, 0, 0, 1 };
371 /* New size is smaller - just need to fill in some
372 * zeros. Don't need to flush or wrap.
374 for (i
= newSize
; i
<= exec
->vtx
.attrsz
[attr
]; i
++)
375 exec
->vtx
.attrptr
[attr
][i
-1] = id
[i
-1];
378 exec
->vtx
.active_sz
[attr
] = newSize
;
380 /* Does setting NeedFlush belong here? Necessitates resetting
381 * vtxfmt on each flush (otherwise flags won't get reset
385 ctx
->Driver
.NeedFlush
|= FLUSH_STORED_VERTICES
;
390 * This macro is used to implement all the glVertex, glColor, glTexCoord,
391 * glVertexAttrib, etc functions.
393 #define ATTR( A, N, V0, V1, V2, V3 ) \
395 struct vbo_exec_context *exec = &vbo_context(ctx)->exec; \
397 if (unlikely(!(ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT))) \
398 ctx->Driver.BeginVertices( ctx ); \
400 if (unlikely(exec->vtx.active_sz[A] != N)) \
401 vbo_exec_fixup_vertex(ctx, A, N); \
404 GLfloat *dest = exec->vtx.attrptr[A]; \
405 if (N>0) dest[0] = V0; \
406 if (N>1) dest[1] = V1; \
407 if (N>2) dest[2] = V2; \
408 if (N>3) dest[3] = V3; \
412 /* This is a glVertex call */ \
415 for (i = 0; i < exec->vtx.vertex_size; i++) \
416 exec->vtx.buffer_ptr[i] = exec->vtx.vertex[i]; \
418 exec->vtx.buffer_ptr += exec->vtx.vertex_size; \
420 /* Set FLUSH_STORED_VERTICES to indicate that there's now */ \
421 /* something to draw (not just updating a color or texcoord).*/ \
422 ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES; \
424 if (++exec->vtx.vert_count >= exec->vtx.max_vert) \
425 vbo_exec_vtx_wrap( exec ); \
430 #define ERROR(err) _mesa_error( ctx, err, __FUNCTION__ )
431 #define TAG(x) vbo_##x
433 #include "vbo_attrib_tmp.h"
438 * Execute a glMaterial call. Note that if GL_COLOR_MATERIAL is enabled,
439 * this may be a (partial) no-op.
441 static void GLAPIENTRY
442 vbo_Materialfv(GLenum face
, GLenum pname
, const GLfloat
*params
)
444 GLbitfield updateMats
;
445 GET_CURRENT_CONTEXT(ctx
);
447 /* This function should be a no-op when it tries to update material
448 * attributes which are currently tracking glColor via glColorMaterial.
449 * The updateMats var will be a mask of the MAT_BIT_FRONT/BACK_x bits
450 * indicating which material attributes can actually be updated below.
452 if (ctx
->Light
.ColorMaterialEnabled
) {
453 updateMats
= ~ctx
->Light
.ColorMaterialBitmask
;
456 /* GL_COLOR_MATERIAL is disabled so don't skip any material updates */
457 updateMats
= ALL_MATERIAL_BITS
;
460 if (face
== GL_FRONT
) {
461 updateMats
&= FRONT_MATERIAL_BITS
;
463 else if (face
== GL_BACK
) {
464 updateMats
&= BACK_MATERIAL_BITS
;
466 else if (face
!= GL_FRONT_AND_BACK
) {
467 _mesa_error(ctx
, GL_INVALID_ENUM
, "glMaterial(invalid face)");
473 if (updateMats
& MAT_BIT_FRONT_EMISSION
)
474 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_EMISSION
, 4, params
);
475 if (updateMats
& MAT_BIT_BACK_EMISSION
)
476 MAT_ATTR(VBO_ATTRIB_MAT_BACK_EMISSION
, 4, params
);
479 if (updateMats
& MAT_BIT_FRONT_AMBIENT
)
480 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_AMBIENT
, 4, params
);
481 if (updateMats
& MAT_BIT_BACK_AMBIENT
)
482 MAT_ATTR(VBO_ATTRIB_MAT_BACK_AMBIENT
, 4, params
);
485 if (updateMats
& MAT_BIT_FRONT_DIFFUSE
)
486 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_DIFFUSE
, 4, params
);
487 if (updateMats
& MAT_BIT_BACK_DIFFUSE
)
488 MAT_ATTR(VBO_ATTRIB_MAT_BACK_DIFFUSE
, 4, params
);
491 if (updateMats
& MAT_BIT_FRONT_SPECULAR
)
492 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_SPECULAR
, 4, params
);
493 if (updateMats
& MAT_BIT_BACK_SPECULAR
)
494 MAT_ATTR(VBO_ATTRIB_MAT_BACK_SPECULAR
, 4, params
);
497 if (*params
< 0 || *params
> ctx
->Const
.MaxShininess
) {
498 _mesa_error(ctx
, GL_INVALID_VALUE
,
499 "glMaterial(invalid shininess: %f out range [0, %f])",
500 *params
, ctx
->Const
.MaxShininess
);
503 if (updateMats
& MAT_BIT_FRONT_SHININESS
)
504 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_SHININESS
, 1, params
);
505 if (updateMats
& MAT_BIT_BACK_SHININESS
)
506 MAT_ATTR(VBO_ATTRIB_MAT_BACK_SHININESS
, 1, params
);
508 case GL_COLOR_INDEXES
:
509 if (updateMats
& MAT_BIT_FRONT_INDEXES
)
510 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_INDEXES
, 3, params
);
511 if (updateMats
& MAT_BIT_BACK_INDEXES
)
512 MAT_ATTR(VBO_ATTRIB_MAT_BACK_INDEXES
, 3, params
);
514 case GL_AMBIENT_AND_DIFFUSE
:
515 if (updateMats
& MAT_BIT_FRONT_AMBIENT
)
516 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_AMBIENT
, 4, params
);
517 if (updateMats
& MAT_BIT_FRONT_DIFFUSE
)
518 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_DIFFUSE
, 4, params
);
519 if (updateMats
& MAT_BIT_BACK_AMBIENT
)
520 MAT_ATTR(VBO_ATTRIB_MAT_BACK_AMBIENT
, 4, params
);
521 if (updateMats
& MAT_BIT_BACK_DIFFUSE
)
522 MAT_ATTR(VBO_ATTRIB_MAT_BACK_DIFFUSE
, 4, params
);
525 _mesa_error(ctx
, GL_INVALID_ENUM
, "glMaterialfv(pname)");
532 * Flush (draw) vertices.
533 * \param unmap - leave VBO unmapped after flushing?
536 vbo_exec_FlushVertices_internal(struct vbo_exec_context
*exec
, GLboolean unmap
)
538 if (exec
->vtx
.vert_count
|| unmap
) {
539 vbo_exec_vtx_flush( exec
, unmap
);
542 if (exec
->vtx
.vertex_size
) {
543 vbo_exec_copy_to_current( exec
);
544 reset_attrfv( exec
);
552 #if FEATURE_evaluators
554 static void GLAPIENTRY
vbo_exec_EvalCoord1f( GLfloat u
)
556 GET_CURRENT_CONTEXT( ctx
);
557 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
561 if (exec
->eval
.recalculate_maps
)
562 vbo_exec_eval_update( exec
);
564 for (i
= 0; i
<= VBO_ATTRIB_TEX7
; i
++) {
565 if (exec
->eval
.map1
[i
].map
)
566 if (exec
->vtx
.active_sz
[i
] != exec
->eval
.map1
[i
].sz
)
567 vbo_exec_fixup_vertex( ctx
, i
, exec
->eval
.map1
[i
].sz
);
572 memcpy( exec
->vtx
.copied
.buffer
, exec
->vtx
.vertex
,
573 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
575 vbo_exec_do_EvalCoord1f( exec
, u
);
577 memcpy( exec
->vtx
.vertex
, exec
->vtx
.copied
.buffer
,
578 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
581 static void GLAPIENTRY
vbo_exec_EvalCoord2f( GLfloat u
, GLfloat v
)
583 GET_CURRENT_CONTEXT( ctx
);
584 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
588 if (exec
->eval
.recalculate_maps
)
589 vbo_exec_eval_update( exec
);
591 for (i
= 0; i
<= VBO_ATTRIB_TEX7
; i
++) {
592 if (exec
->eval
.map2
[i
].map
)
593 if (exec
->vtx
.active_sz
[i
] != exec
->eval
.map2
[i
].sz
)
594 vbo_exec_fixup_vertex( ctx
, i
, exec
->eval
.map2
[i
].sz
);
597 if (ctx
->Eval
.AutoNormal
)
598 if (exec
->vtx
.active_sz
[VBO_ATTRIB_NORMAL
] != 3)
599 vbo_exec_fixup_vertex( ctx
, VBO_ATTRIB_NORMAL
, 3 );
602 memcpy( exec
->vtx
.copied
.buffer
, exec
->vtx
.vertex
,
603 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
605 vbo_exec_do_EvalCoord2f( exec
, u
, v
);
607 memcpy( exec
->vtx
.vertex
, exec
->vtx
.copied
.buffer
,
608 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
611 static void GLAPIENTRY
vbo_exec_EvalCoord1fv( const GLfloat
*u
)
613 vbo_exec_EvalCoord1f( u
[0] );
616 static void GLAPIENTRY
vbo_exec_EvalCoord2fv( const GLfloat
*u
)
618 vbo_exec_EvalCoord2f( u
[0], u
[1] );
621 static void GLAPIENTRY
vbo_exec_EvalPoint1( GLint i
)
623 GET_CURRENT_CONTEXT( ctx
);
624 GLfloat du
= ((ctx
->Eval
.MapGrid1u2
- ctx
->Eval
.MapGrid1u1
) /
625 (GLfloat
) ctx
->Eval
.MapGrid1un
);
626 GLfloat u
= i
* du
+ ctx
->Eval
.MapGrid1u1
;
628 vbo_exec_EvalCoord1f( u
);
632 static void GLAPIENTRY
vbo_exec_EvalPoint2( GLint i
, GLint j
)
634 GET_CURRENT_CONTEXT( ctx
);
635 GLfloat du
= ((ctx
->Eval
.MapGrid2u2
- ctx
->Eval
.MapGrid2u1
) /
636 (GLfloat
) ctx
->Eval
.MapGrid2un
);
637 GLfloat dv
= ((ctx
->Eval
.MapGrid2v2
- ctx
->Eval
.MapGrid2v1
) /
638 (GLfloat
) ctx
->Eval
.MapGrid2vn
);
639 GLfloat u
= i
* du
+ ctx
->Eval
.MapGrid2u1
;
640 GLfloat v
= j
* dv
+ ctx
->Eval
.MapGrid2v1
;
642 vbo_exec_EvalCoord2f( u
, v
);
646 static void GLAPIENTRY
647 vbo_exec_EvalMesh1(GLenum mode
, GLint i1
, GLint i2
)
649 GET_CURRENT_CONTEXT(ctx
);
654 ASSERT_OUTSIDE_BEGIN_END(ctx
);
661 prim
= GL_LINE_STRIP
;
664 _mesa_error( ctx
, GL_INVALID_ENUM
, "glEvalMesh1(mode)" );
668 /* No effect if vertex maps disabled.
670 if (!ctx
->Eval
.Map1Vertex4
&&
671 !ctx
->Eval
.Map1Vertex3
&&
672 !(ctx
->VertexProgram
._Enabled
&& ctx
->Eval
.Map1Attrib
[VERT_ATTRIB_POS
]))
675 du
= ctx
->Eval
.MapGrid1du
;
676 u
= ctx
->Eval
.MapGrid1u1
+ i1
* du
;
678 CALL_Begin(GET_DISPATCH(), (prim
));
679 for (i
=i1
;i
<=i2
;i
++,u
+=du
) {
680 CALL_EvalCoord1f(GET_DISPATCH(), (u
));
682 CALL_End(GET_DISPATCH(), ());
686 static void GLAPIENTRY
687 vbo_exec_EvalMesh2(GLenum mode
, GLint i1
, GLint i2
, GLint j1
, GLint j2
)
689 GET_CURRENT_CONTEXT(ctx
);
690 GLfloat u
, du
, v
, dv
, v1
, u1
;
693 ASSERT_OUTSIDE_BEGIN_END(ctx
);
701 _mesa_error( ctx
, GL_INVALID_ENUM
, "glEvalMesh2(mode)" );
705 /* No effect if vertex maps disabled.
707 if (!ctx
->Eval
.Map2Vertex4
&&
708 !ctx
->Eval
.Map2Vertex3
&&
709 !(ctx
->VertexProgram
._Enabled
&& ctx
->Eval
.Map2Attrib
[VERT_ATTRIB_POS
]))
712 du
= ctx
->Eval
.MapGrid2du
;
713 dv
= ctx
->Eval
.MapGrid2dv
;
714 v1
= ctx
->Eval
.MapGrid2v1
+ j1
* dv
;
715 u1
= ctx
->Eval
.MapGrid2u1
+ i1
* du
;
719 CALL_Begin(GET_DISPATCH(), (GL_POINTS
));
720 for (v
=v1
,j
=j1
;j
<=j2
;j
++,v
+=dv
) {
721 for (u
=u1
,i
=i1
;i
<=i2
;i
++,u
+=du
) {
722 CALL_EvalCoord2f(GET_DISPATCH(), (u
, v
));
725 CALL_End(GET_DISPATCH(), ());
728 for (v
=v1
,j
=j1
;j
<=j2
;j
++,v
+=dv
) {
729 CALL_Begin(GET_DISPATCH(), (GL_LINE_STRIP
));
730 for (u
=u1
,i
=i1
;i
<=i2
;i
++,u
+=du
) {
731 CALL_EvalCoord2f(GET_DISPATCH(), (u
, v
));
733 CALL_End(GET_DISPATCH(), ());
735 for (u
=u1
,i
=i1
;i
<=i2
;i
++,u
+=du
) {
736 CALL_Begin(GET_DISPATCH(), (GL_LINE_STRIP
));
737 for (v
=v1
,j
=j1
;j
<=j2
;j
++,v
+=dv
) {
738 CALL_EvalCoord2f(GET_DISPATCH(), (u
, v
));
740 CALL_End(GET_DISPATCH(), ());
744 for (v
=v1
,j
=j1
;j
<j2
;j
++,v
+=dv
) {
745 CALL_Begin(GET_DISPATCH(), (GL_TRIANGLE_STRIP
));
746 for (u
=u1
,i
=i1
;i
<=i2
;i
++,u
+=du
) {
747 CALL_EvalCoord2f(GET_DISPATCH(), (u
, v
));
748 CALL_EvalCoord2f(GET_DISPATCH(), (u
, v
+dv
));
750 CALL_End(GET_DISPATCH(), ());
756 #endif /* FEATURE_evaluators */
760 * Execute a glRectf() function. This is not suitable for GL_COMPILE
761 * modes (as the test for outside begin/end is not compiled),
762 * but may be useful for drivers in circumstances which exclude
763 * display list interactions.
765 * (None of the functions in this file are suitable for GL_COMPILE
768 static void GLAPIENTRY
769 vbo_exec_Rectf(GLfloat x1
, GLfloat y1
, GLfloat x2
, GLfloat y2
)
771 GET_CURRENT_CONTEXT(ctx
);
772 ASSERT_OUTSIDE_BEGIN_END(ctx
);
774 CALL_Begin(GET_DISPATCH(), (GL_QUADS
));
775 CALL_Vertex2f(GET_DISPATCH(), (x1
, y1
));
776 CALL_Vertex2f(GET_DISPATCH(), (x2
, y1
));
777 CALL_Vertex2f(GET_DISPATCH(), (x2
, y2
));
778 CALL_Vertex2f(GET_DISPATCH(), (x1
, y2
));
779 CALL_End(GET_DISPATCH(), ());
784 * Called via glBegin.
786 static void GLAPIENTRY
vbo_exec_Begin( GLenum mode
)
788 GET_CURRENT_CONTEXT( ctx
);
790 if (ctx
->Driver
.CurrentExecPrimitive
== PRIM_OUTSIDE_BEGIN_END
) {
791 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
794 if (!_mesa_valid_prim_mode(ctx
, mode
, "glBegin")) {
798 vbo_draw_method(vbo_context(ctx
), DRAW_BEGIN_END
);
800 if (ctx
->Driver
.PrepareExecBegin
)
801 ctx
->Driver
.PrepareExecBegin(ctx
);
804 _mesa_update_state( ctx
);
806 CALL_Begin(ctx
->Exec
, (mode
));
810 if (!_mesa_valid_to_render(ctx
, "glBegin")) {
814 /* Heuristic: attempt to isolate attributes occuring outside
817 if (exec
->vtx
.vertex_size
&& !exec
->vtx
.attrsz
[0])
818 vbo_exec_FlushVertices_internal(exec
, GL_FALSE
);
820 i
= exec
->vtx
.prim_count
++;
821 exec
->vtx
.prim
[i
].mode
= mode
;
822 exec
->vtx
.prim
[i
].begin
= 1;
823 exec
->vtx
.prim
[i
].end
= 0;
824 exec
->vtx
.prim
[i
].indexed
= 0;
825 exec
->vtx
.prim
[i
].weak
= 0;
826 exec
->vtx
.prim
[i
].pad
= 0;
827 exec
->vtx
.prim
[i
].start
= exec
->vtx
.vert_count
;
828 exec
->vtx
.prim
[i
].count
= 0;
829 exec
->vtx
.prim
[i
].num_instances
= 1;
831 ctx
->Driver
.CurrentExecPrimitive
= mode
;
834 _mesa_error( ctx
, GL_INVALID_OPERATION
, "glBegin" );
842 static void GLAPIENTRY
vbo_exec_End( void )
844 GET_CURRENT_CONTEXT( ctx
);
846 if (ctx
->Driver
.CurrentExecPrimitive
!= PRIM_OUTSIDE_BEGIN_END
) {
847 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
849 if (exec
->vtx
.prim_count
> 0) {
850 /* close off current primitive */
851 int idx
= exec
->vtx
.vert_count
;
852 int i
= exec
->vtx
.prim_count
- 1;
854 exec
->vtx
.prim
[i
].end
= 1;
855 exec
->vtx
.prim
[i
].count
= idx
- exec
->vtx
.prim
[i
].start
;
858 ctx
->Driver
.CurrentExecPrimitive
= PRIM_OUTSIDE_BEGIN_END
;
860 if (exec
->vtx
.prim_count
== VBO_MAX_PRIM
)
861 vbo_exec_vtx_flush( exec
, GL_FALSE
);
864 _mesa_error( ctx
, GL_INVALID_OPERATION
, "glEnd" );
869 * Called via glPrimitiveRestartNV()
871 static void GLAPIENTRY
872 vbo_exec_PrimitiveRestartNV(void)
875 GET_CURRENT_CONTEXT( ctx
);
877 curPrim
= ctx
->Driver
.CurrentExecPrimitive
;
879 if (curPrim
== PRIM_OUTSIDE_BEGIN_END
) {
880 _mesa_error( ctx
, GL_INVALID_OPERATION
, "glPrimitiveRestartNV" );
884 vbo_exec_Begin(curPrim
);
890 static void vbo_exec_vtxfmt_init( struct vbo_exec_context
*exec
)
892 GLvertexformat
*vfmt
= &exec
->vtxfmt
;
894 _MESA_INIT_ARRAYELT_VTXFMT(vfmt
, _ae_
);
896 vfmt
->Begin
= vbo_exec_Begin
;
897 vfmt
->End
= vbo_exec_End
;
898 vfmt
->PrimitiveRestartNV
= vbo_exec_PrimitiveRestartNV
;
900 _MESA_INIT_DLIST_VTXFMT(vfmt
, _mesa_
);
901 _MESA_INIT_EVAL_VTXFMT(vfmt
, vbo_exec_
);
903 vfmt
->Rectf
= vbo_exec_Rectf
;
905 /* from attrib_tmp.h:
907 vfmt
->Color3f
= vbo_Color3f
;
908 vfmt
->Color3fv
= vbo_Color3fv
;
909 vfmt
->Color4f
= vbo_Color4f
;
910 vfmt
->Color4fv
= vbo_Color4fv
;
911 vfmt
->FogCoordfEXT
= vbo_FogCoordfEXT
;
912 vfmt
->FogCoordfvEXT
= vbo_FogCoordfvEXT
;
913 vfmt
->MultiTexCoord1fARB
= vbo_MultiTexCoord1f
;
914 vfmt
->MultiTexCoord1fvARB
= vbo_MultiTexCoord1fv
;
915 vfmt
->MultiTexCoord2fARB
= vbo_MultiTexCoord2f
;
916 vfmt
->MultiTexCoord2fvARB
= vbo_MultiTexCoord2fv
;
917 vfmt
->MultiTexCoord3fARB
= vbo_MultiTexCoord3f
;
918 vfmt
->MultiTexCoord3fvARB
= vbo_MultiTexCoord3fv
;
919 vfmt
->MultiTexCoord4fARB
= vbo_MultiTexCoord4f
;
920 vfmt
->MultiTexCoord4fvARB
= vbo_MultiTexCoord4fv
;
921 vfmt
->Normal3f
= vbo_Normal3f
;
922 vfmt
->Normal3fv
= vbo_Normal3fv
;
923 vfmt
->SecondaryColor3fEXT
= vbo_SecondaryColor3fEXT
;
924 vfmt
->SecondaryColor3fvEXT
= vbo_SecondaryColor3fvEXT
;
925 vfmt
->TexCoord1f
= vbo_TexCoord1f
;
926 vfmt
->TexCoord1fv
= vbo_TexCoord1fv
;
927 vfmt
->TexCoord2f
= vbo_TexCoord2f
;
928 vfmt
->TexCoord2fv
= vbo_TexCoord2fv
;
929 vfmt
->TexCoord3f
= vbo_TexCoord3f
;
930 vfmt
->TexCoord3fv
= vbo_TexCoord3fv
;
931 vfmt
->TexCoord4f
= vbo_TexCoord4f
;
932 vfmt
->TexCoord4fv
= vbo_TexCoord4fv
;
933 vfmt
->Vertex2f
= vbo_Vertex2f
;
934 vfmt
->Vertex2fv
= vbo_Vertex2fv
;
935 vfmt
->Vertex3f
= vbo_Vertex3f
;
936 vfmt
->Vertex3fv
= vbo_Vertex3fv
;
937 vfmt
->Vertex4f
= vbo_Vertex4f
;
938 vfmt
->Vertex4fv
= vbo_Vertex4fv
;
940 vfmt
->VertexAttrib1fARB
= vbo_VertexAttrib1fARB
;
941 vfmt
->VertexAttrib1fvARB
= vbo_VertexAttrib1fvARB
;
942 vfmt
->VertexAttrib2fARB
= vbo_VertexAttrib2fARB
;
943 vfmt
->VertexAttrib2fvARB
= vbo_VertexAttrib2fvARB
;
944 vfmt
->VertexAttrib3fARB
= vbo_VertexAttrib3fARB
;
945 vfmt
->VertexAttrib3fvARB
= vbo_VertexAttrib3fvARB
;
946 vfmt
->VertexAttrib4fARB
= vbo_VertexAttrib4fARB
;
947 vfmt
->VertexAttrib4fvARB
= vbo_VertexAttrib4fvARB
;
949 vfmt
->VertexAttrib1fNV
= vbo_VertexAttrib1fNV
;
950 vfmt
->VertexAttrib1fvNV
= vbo_VertexAttrib1fvNV
;
951 vfmt
->VertexAttrib2fNV
= vbo_VertexAttrib2fNV
;
952 vfmt
->VertexAttrib2fvNV
= vbo_VertexAttrib2fvNV
;
953 vfmt
->VertexAttrib3fNV
= vbo_VertexAttrib3fNV
;
954 vfmt
->VertexAttrib3fvNV
= vbo_VertexAttrib3fvNV
;
955 vfmt
->VertexAttrib4fNV
= vbo_VertexAttrib4fNV
;
956 vfmt
->VertexAttrib4fvNV
= vbo_VertexAttrib4fvNV
;
959 vfmt
->VertexAttribI1i
= vbo_VertexAttribI1i
;
960 vfmt
->VertexAttribI2i
= vbo_VertexAttribI2i
;
961 vfmt
->VertexAttribI3i
= vbo_VertexAttribI3i
;
962 vfmt
->VertexAttribI4i
= vbo_VertexAttribI4i
;
963 vfmt
->VertexAttribI2iv
= vbo_VertexAttribI2iv
;
964 vfmt
->VertexAttribI3iv
= vbo_VertexAttribI3iv
;
965 vfmt
->VertexAttribI4iv
= vbo_VertexAttribI4iv
;
967 /* unsigned integer-valued */
968 vfmt
->VertexAttribI1ui
= vbo_VertexAttribI1ui
;
969 vfmt
->VertexAttribI2ui
= vbo_VertexAttribI2ui
;
970 vfmt
->VertexAttribI3ui
= vbo_VertexAttribI3ui
;
971 vfmt
->VertexAttribI4ui
= vbo_VertexAttribI4ui
;
972 vfmt
->VertexAttribI2uiv
= vbo_VertexAttribI2uiv
;
973 vfmt
->VertexAttribI3uiv
= vbo_VertexAttribI3uiv
;
974 vfmt
->VertexAttribI4uiv
= vbo_VertexAttribI4uiv
;
976 vfmt
->Materialfv
= vbo_Materialfv
;
978 vfmt
->EdgeFlag
= vbo_EdgeFlag
;
979 vfmt
->Indexf
= vbo_Indexf
;
980 vfmt
->Indexfv
= vbo_Indexfv
;
982 /* ARB_vertex_type_2_10_10_10_rev */
983 vfmt
->VertexP2ui
= vbo_VertexP2ui
;
984 vfmt
->VertexP2uiv
= vbo_VertexP2uiv
;
985 vfmt
->VertexP3ui
= vbo_VertexP3ui
;
986 vfmt
->VertexP3uiv
= vbo_VertexP3uiv
;
987 vfmt
->VertexP4ui
= vbo_VertexP4ui
;
988 vfmt
->VertexP4uiv
= vbo_VertexP4uiv
;
990 vfmt
->TexCoordP1ui
= vbo_TexCoordP1ui
;
991 vfmt
->TexCoordP1uiv
= vbo_TexCoordP1uiv
;
992 vfmt
->TexCoordP2ui
= vbo_TexCoordP2ui
;
993 vfmt
->TexCoordP2uiv
= vbo_TexCoordP2uiv
;
994 vfmt
->TexCoordP3ui
= vbo_TexCoordP3ui
;
995 vfmt
->TexCoordP3uiv
= vbo_TexCoordP3uiv
;
996 vfmt
->TexCoordP4ui
= vbo_TexCoordP4ui
;
997 vfmt
->TexCoordP4uiv
= vbo_TexCoordP4uiv
;
999 vfmt
->MultiTexCoordP1ui
= vbo_MultiTexCoordP1ui
;
1000 vfmt
->MultiTexCoordP1uiv
= vbo_MultiTexCoordP1uiv
;
1001 vfmt
->MultiTexCoordP2ui
= vbo_MultiTexCoordP2ui
;
1002 vfmt
->MultiTexCoordP2uiv
= vbo_MultiTexCoordP2uiv
;
1003 vfmt
->MultiTexCoordP3ui
= vbo_MultiTexCoordP3ui
;
1004 vfmt
->MultiTexCoordP3uiv
= vbo_MultiTexCoordP3uiv
;
1005 vfmt
->MultiTexCoordP4ui
= vbo_MultiTexCoordP4ui
;
1006 vfmt
->MultiTexCoordP4uiv
= vbo_MultiTexCoordP4uiv
;
1008 vfmt
->NormalP3ui
= vbo_NormalP3ui
;
1009 vfmt
->NormalP3uiv
= vbo_NormalP3uiv
;
1011 vfmt
->ColorP3ui
= vbo_ColorP3ui
;
1012 vfmt
->ColorP3uiv
= vbo_ColorP3uiv
;
1013 vfmt
->ColorP4ui
= vbo_ColorP4ui
;
1014 vfmt
->ColorP4uiv
= vbo_ColorP4uiv
;
1016 vfmt
->SecondaryColorP3ui
= vbo_SecondaryColorP3ui
;
1017 vfmt
->SecondaryColorP3uiv
= vbo_SecondaryColorP3uiv
;
1019 vfmt
->VertexAttribP1ui
= vbo_VertexAttribP1ui
;
1020 vfmt
->VertexAttribP1uiv
= vbo_VertexAttribP1uiv
;
1021 vfmt
->VertexAttribP2ui
= vbo_VertexAttribP2ui
;
1022 vfmt
->VertexAttribP2uiv
= vbo_VertexAttribP2uiv
;
1023 vfmt
->VertexAttribP3ui
= vbo_VertexAttribP3ui
;
1024 vfmt
->VertexAttribP3uiv
= vbo_VertexAttribP3uiv
;
1025 vfmt
->VertexAttribP4ui
= vbo_VertexAttribP4ui
;
1026 vfmt
->VertexAttribP4uiv
= vbo_VertexAttribP4uiv
;
1030 #else /* FEATURE_beginend */
1033 static void vbo_exec_vtxfmt_init( struct vbo_exec_context
*exec
)
1035 /* silence warnings */
1037 (void) vbo_Color3fv
;
1039 (void) vbo_Color4fv
;
1040 (void) vbo_FogCoordfEXT
;
1041 (void) vbo_FogCoordfvEXT
;
1042 (void) vbo_MultiTexCoord1f
;
1043 (void) vbo_MultiTexCoord1fv
;
1044 (void) vbo_MultiTexCoord2f
;
1045 (void) vbo_MultiTexCoord2fv
;
1046 (void) vbo_MultiTexCoord3f
;
1047 (void) vbo_MultiTexCoord3fv
;
1048 (void) vbo_MultiTexCoord4f
;
1049 (void) vbo_MultiTexCoord4fv
;
1050 (void) vbo_Normal3f
;
1051 (void) vbo_Normal3fv
;
1052 (void) vbo_SecondaryColor3fEXT
;
1053 (void) vbo_SecondaryColor3fvEXT
;
1054 (void) vbo_TexCoord1f
;
1055 (void) vbo_TexCoord1fv
;
1056 (void) vbo_TexCoord2f
;
1057 (void) vbo_TexCoord2fv
;
1058 (void) vbo_TexCoord3f
;
1059 (void) vbo_TexCoord3fv
;
1060 (void) vbo_TexCoord4f
;
1061 (void) vbo_TexCoord4fv
;
1062 (void) vbo_Vertex2f
;
1063 (void) vbo_Vertex2fv
;
1064 (void) vbo_Vertex3f
;
1065 (void) vbo_Vertex3fv
;
1066 (void) vbo_Vertex4f
;
1067 (void) vbo_Vertex4fv
;
1069 (void) vbo_VertexAttrib1fARB
;
1070 (void) vbo_VertexAttrib1fvARB
;
1071 (void) vbo_VertexAttrib2fARB
;
1072 (void) vbo_VertexAttrib2fvARB
;
1073 (void) vbo_VertexAttrib3fARB
;
1074 (void) vbo_VertexAttrib3fvARB
;
1075 (void) vbo_VertexAttrib4fARB
;
1076 (void) vbo_VertexAttrib4fvARB
;
1078 (void) vbo_VertexAttrib1fNV
;
1079 (void) vbo_VertexAttrib1fvNV
;
1080 (void) vbo_VertexAttrib2fNV
;
1081 (void) vbo_VertexAttrib2fvNV
;
1082 (void) vbo_VertexAttrib3fNV
;
1083 (void) vbo_VertexAttrib3fvNV
;
1084 (void) vbo_VertexAttrib4fNV
;
1085 (void) vbo_VertexAttrib4fvNV
;
1087 (void) vbo_Materialfv
;
1089 (void) vbo_EdgeFlag
;
1095 #endif /* FEATURE_beginend */
1099 * Tell the VBO module to use a real OpenGL vertex buffer object to
1100 * store accumulated immediate-mode vertex data.
1101 * This replaces the malloced buffer which was created in
1102 * vb_exec_vtx_init() below.
1104 void vbo_use_buffer_objects(struct gl_context
*ctx
)
1106 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1107 /* Any buffer name but 0 can be used here since this bufferobj won't
1108 * go into the bufferobj hashtable.
1110 GLuint bufName
= IMM_BUFFER_NAME
;
1111 GLenum target
= GL_ARRAY_BUFFER_ARB
;
1112 GLenum usage
= GL_STREAM_DRAW_ARB
;
1113 GLsizei size
= VBO_VERT_BUFFER_SIZE
;
1115 /* Make sure this func is only used once */
1116 assert(exec
->vtx
.bufferobj
== ctx
->Shared
->NullBufferObj
);
1117 if (exec
->vtx
.buffer_map
) {
1118 _mesa_align_free(exec
->vtx
.buffer_map
);
1119 exec
->vtx
.buffer_map
= NULL
;
1120 exec
->vtx
.buffer_ptr
= NULL
;
1123 /* Allocate a real buffer object now */
1124 _mesa_reference_buffer_object(ctx
, &exec
->vtx
.bufferobj
, NULL
);
1125 exec
->vtx
.bufferobj
= ctx
->Driver
.NewBufferObject(ctx
, bufName
, target
);
1126 if (!ctx
->Driver
.BufferData(ctx
, target
, size
, NULL
, usage
, exec
->vtx
.bufferobj
)) {
1127 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "VBO allocation");
1133 * If this function is called, all VBO buffers will be unmapped when
1135 * Otherwise, if a simple command like glColor3f() is called and we flush,
1136 * the current VBO may be left mapped.
1139 vbo_always_unmap_buffers(struct gl_context
*ctx
)
1141 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1142 exec
->begin_vertices_flags
|= FLUSH_STORED_VERTICES
;
1146 void vbo_exec_vtx_init( struct vbo_exec_context
*exec
)
1148 struct gl_context
*ctx
= exec
->ctx
;
1149 struct vbo_context
*vbo
= vbo_context(ctx
);
1152 /* Allocate a buffer object. Will just reuse this object
1153 * continuously, unless vbo_use_buffer_objects() is called to enable
1156 _mesa_reference_buffer_object(ctx
,
1157 &exec
->vtx
.bufferobj
,
1158 ctx
->Shared
->NullBufferObj
);
1160 ASSERT(!exec
->vtx
.buffer_map
);
1161 exec
->vtx
.buffer_map
= (GLfloat
*)_mesa_align_malloc(VBO_VERT_BUFFER_SIZE
, 64);
1162 exec
->vtx
.buffer_ptr
= exec
->vtx
.buffer_map
;
1164 vbo_exec_vtxfmt_init( exec
);
1165 _mesa_noop_vtxfmt_init(&exec
->vtxfmt_noop
);
1167 /* Hook our functions into the dispatch table.
1169 _mesa_install_exec_vtxfmt( ctx
, &exec
->vtxfmt
);
1171 for (i
= 0 ; i
< VBO_ATTRIB_MAX
; i
++) {
1172 ASSERT(i
< Elements(exec
->vtx
.attrsz
));
1173 exec
->vtx
.attrsz
[i
] = 0;
1174 ASSERT(i
< Elements(exec
->vtx
.active_sz
));
1175 exec
->vtx
.active_sz
[i
] = 0;
1177 for (i
= 0 ; i
< VERT_ATTRIB_MAX
; i
++) {
1178 ASSERT(i
< Elements(exec
->vtx
.inputs
));
1179 ASSERT(i
< Elements(exec
->vtx
.arrays
));
1180 exec
->vtx
.inputs
[i
] = &exec
->vtx
.arrays
[i
];
1184 struct gl_client_array
*arrays
= exec
->vtx
.arrays
;
1187 memcpy(arrays
, &vbo
->currval
[VBO_ATTRIB_POS
],
1188 VERT_ATTRIB_FF_MAX
* sizeof(arrays
[0]));
1189 for (i
= 0; i
< VERT_ATTRIB_FF_MAX
; ++i
) {
1190 struct gl_client_array
*array
;
1191 array
= &arrays
[VERT_ATTRIB_FF(i
)];
1192 array
->BufferObj
= NULL
;
1193 _mesa_reference_buffer_object(ctx
, &arrays
->BufferObj
,
1194 vbo
->currval
[VBO_ATTRIB_POS
+i
].BufferObj
);
1197 memcpy(arrays
+ VERT_ATTRIB_GENERIC(0),
1198 &vbo
->currval
[VBO_ATTRIB_GENERIC0
],
1199 VERT_ATTRIB_GENERIC_MAX
* sizeof(arrays
[0]));
1201 for (i
= 0; i
< VERT_ATTRIB_GENERIC_MAX
; ++i
) {
1202 struct gl_client_array
*array
;
1203 array
= &arrays
[VERT_ATTRIB_GENERIC(i
)];
1204 array
->BufferObj
= NULL
;
1205 _mesa_reference_buffer_object(ctx
, &array
->BufferObj
,
1206 vbo
->currval
[VBO_ATTRIB_GENERIC0
+i
].BufferObj
);
1210 exec
->vtx
.vertex_size
= 0;
1212 exec
->begin_vertices_flags
= FLUSH_UPDATE_CURRENT
;
1216 void vbo_exec_vtx_destroy( struct vbo_exec_context
*exec
)
1218 /* using a real VBO for vertex data */
1219 struct gl_context
*ctx
= exec
->ctx
;
1222 /* True VBOs should already be unmapped
1224 if (exec
->vtx
.buffer_map
) {
1225 ASSERT(exec
->vtx
.bufferobj
->Name
== 0 ||
1226 exec
->vtx
.bufferobj
->Name
== IMM_BUFFER_NAME
);
1227 if (exec
->vtx
.bufferobj
->Name
== 0) {
1228 _mesa_align_free(exec
->vtx
.buffer_map
);
1229 exec
->vtx
.buffer_map
= NULL
;
1230 exec
->vtx
.buffer_ptr
= NULL
;
1234 /* Drop any outstanding reference to the vertex buffer
1236 for (i
= 0; i
< Elements(exec
->vtx
.arrays
); i
++) {
1237 _mesa_reference_buffer_object(ctx
,
1238 &exec
->vtx
.arrays
[i
].BufferObj
,
1242 /* Free the vertex buffer. Unmap first if needed.
1244 if (_mesa_bufferobj_mapped(exec
->vtx
.bufferobj
)) {
1245 ctx
->Driver
.UnmapBuffer(ctx
, exec
->vtx
.bufferobj
);
1247 _mesa_reference_buffer_object(ctx
, &exec
->vtx
.bufferobj
, NULL
);
1252 * Called upon first glVertex, glColor, glTexCoord, etc.
1254 void vbo_exec_BeginVertices( struct gl_context
*ctx
)
1256 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1258 vbo_exec_vtx_map( exec
);
1260 assert((ctx
->Driver
.NeedFlush
& FLUSH_UPDATE_CURRENT
) == 0);
1261 assert(exec
->begin_vertices_flags
);
1263 ctx
->Driver
.NeedFlush
|= exec
->begin_vertices_flags
;
1268 * Called via ctx->Driver.FlushVertices()
1269 * \param flags bitmask of FLUSH_STORED_VERTICES, FLUSH_UPDATE_CURRENT
1271 void vbo_exec_FlushVertices( struct gl_context
*ctx
, GLuint flags
)
1273 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1276 /* debug check: make sure we don't get called recursively */
1277 exec
->flush_call_depth
++;
1278 assert(exec
->flush_call_depth
== 1);
1281 if (ctx
->Driver
.CurrentExecPrimitive
!= PRIM_OUTSIDE_BEGIN_END
) {
1282 /* We've had glBegin but not glEnd! */
1284 exec
->flush_call_depth
--;
1285 assert(exec
->flush_call_depth
== 0);
1290 /* Flush (draw), and make sure VBO is left unmapped when done */
1291 vbo_exec_FlushVertices_internal(exec
, GL_TRUE
);
1293 /* Need to do this to ensure BeginVertices gets called again:
1295 ctx
->Driver
.NeedFlush
&= ~(FLUSH_UPDATE_CURRENT
| flags
);
1298 exec
->flush_call_depth
--;
1299 assert(exec
->flush_call_depth
== 0);
1304 static void reset_attrfv( struct vbo_exec_context
*exec
)
1308 for (i
= 0 ; i
< VBO_ATTRIB_MAX
; i
++) {
1309 exec
->vtx
.attrsz
[i
] = 0;
1310 exec
->vtx
.active_sz
[i
] = 0;
1313 exec
->vtx
.vertex_size
= 0;
1318 _es_Color4f(GLfloat r
, GLfloat g
, GLfloat b
, GLfloat a
)
1320 vbo_Color4f(r
, g
, b
, a
);
1325 _es_Normal3f(GLfloat x
, GLfloat y
, GLfloat z
)
1327 vbo_Normal3f(x
, y
, z
);
1332 _es_MultiTexCoord4f(GLenum target
, GLfloat s
, GLfloat t
, GLfloat r
, GLfloat q
)
1334 vbo_MultiTexCoord4f(target
, s
, t
, r
, q
);
1339 _es_Materialfv(GLenum face
, GLenum pname
, const GLfloat
*params
)
1341 vbo_Materialfv(face
, pname
, params
);
1346 _es_Materialf(GLenum face
, GLenum pname
, GLfloat param
)
1350 p
[1] = p
[2] = p
[3] = 0.0F
;
1351 vbo_Materialfv(face
, pname
, p
);
1356 * A special version of glVertexAttrib4f that does not treat index 0 as
1360 VertexAttrib4f_nopos(GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
)
1362 GET_CURRENT_CONTEXT(ctx
);
1363 if (index
< MAX_VERTEX_GENERIC_ATTRIBS
)
1364 ATTR(VBO_ATTRIB_GENERIC0
+ index
, 4, x
, y
, z
, w
);
1366 ERROR(GL_INVALID_VALUE
);
1370 _es_VertexAttrib4f(GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
)
1372 VertexAttrib4f_nopos(index
, x
, y
, z
, w
);
1377 _es_VertexAttrib1f(GLuint indx
, GLfloat x
)
1379 VertexAttrib4f_nopos(indx
, x
, 0.0f
, 0.0f
, 1.0f
);
1384 _es_VertexAttrib1fv(GLuint indx
, const GLfloat
* values
)
1386 VertexAttrib4f_nopos(indx
, values
[0], 0.0f
, 0.0f
, 1.0f
);
1391 _es_VertexAttrib2f(GLuint indx
, GLfloat x
, GLfloat y
)
1393 VertexAttrib4f_nopos(indx
, x
, y
, 0.0f
, 1.0f
);
1398 _es_VertexAttrib2fv(GLuint indx
, const GLfloat
* values
)
1400 VertexAttrib4f_nopos(indx
, values
[0], values
[1], 0.0f
, 1.0f
);
1405 _es_VertexAttrib3f(GLuint indx
, GLfloat x
, GLfloat y
, GLfloat z
)
1407 VertexAttrib4f_nopos(indx
, x
, y
, z
, 1.0f
);
1412 _es_VertexAttrib3fv(GLuint indx
, const GLfloat
* values
)
1414 VertexAttrib4f_nopos(indx
, values
[0], values
[1], values
[2], 1.0f
);
1419 _es_VertexAttrib4fv(GLuint indx
, const GLfloat
* values
)
1421 VertexAttrib4f_nopos(indx
, values
[0], values
[1], values
[2], values
[3]);