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 (ctx
->API
== API_OPENGL
&& face
== GL_FRONT
) {
461 updateMats
&= FRONT_MATERIAL_BITS
;
463 else if (ctx
->API
== API_OPENGL
&& 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 (ctx
->API
!= API_OPENGL
) {
510 _mesa_error(ctx
, GL_INVALID_ENUM
, "glMaterialfv(pname)");
513 if (updateMats
& MAT_BIT_FRONT_INDEXES
)
514 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_INDEXES
, 3, params
);
515 if (updateMats
& MAT_BIT_BACK_INDEXES
)
516 MAT_ATTR(VBO_ATTRIB_MAT_BACK_INDEXES
, 3, params
);
518 case GL_AMBIENT_AND_DIFFUSE
:
519 if (updateMats
& MAT_BIT_FRONT_AMBIENT
)
520 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_AMBIENT
, 4, params
);
521 if (updateMats
& MAT_BIT_FRONT_DIFFUSE
)
522 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_DIFFUSE
, 4, params
);
523 if (updateMats
& MAT_BIT_BACK_AMBIENT
)
524 MAT_ATTR(VBO_ATTRIB_MAT_BACK_AMBIENT
, 4, params
);
525 if (updateMats
& MAT_BIT_BACK_DIFFUSE
)
526 MAT_ATTR(VBO_ATTRIB_MAT_BACK_DIFFUSE
, 4, params
);
529 _mesa_error(ctx
, GL_INVALID_ENUM
, "glMaterialfv(pname)");
536 * Flush (draw) vertices.
537 * \param unmap - leave VBO unmapped after flushing?
540 vbo_exec_FlushVertices_internal(struct vbo_exec_context
*exec
, GLboolean unmap
)
542 if (exec
->vtx
.vert_count
|| unmap
) {
543 vbo_exec_vtx_flush( exec
, unmap
);
546 if (exec
->vtx
.vertex_size
) {
547 vbo_exec_copy_to_current( exec
);
548 reset_attrfv( exec
);
553 #if FEATURE_evaluators
555 static void GLAPIENTRY
vbo_exec_EvalCoord1f( GLfloat u
)
557 GET_CURRENT_CONTEXT( ctx
);
558 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
562 if (exec
->eval
.recalculate_maps
)
563 vbo_exec_eval_update( exec
);
565 for (i
= 0; i
<= VBO_ATTRIB_TEX7
; i
++) {
566 if (exec
->eval
.map1
[i
].map
)
567 if (exec
->vtx
.active_sz
[i
] != exec
->eval
.map1
[i
].sz
)
568 vbo_exec_fixup_vertex( ctx
, i
, exec
->eval
.map1
[i
].sz
);
573 memcpy( exec
->vtx
.copied
.buffer
, exec
->vtx
.vertex
,
574 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
576 vbo_exec_do_EvalCoord1f( exec
, u
);
578 memcpy( exec
->vtx
.vertex
, exec
->vtx
.copied
.buffer
,
579 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
582 static void GLAPIENTRY
vbo_exec_EvalCoord2f( GLfloat u
, GLfloat v
)
584 GET_CURRENT_CONTEXT( ctx
);
585 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
589 if (exec
->eval
.recalculate_maps
)
590 vbo_exec_eval_update( exec
);
592 for (i
= 0; i
<= VBO_ATTRIB_TEX7
; i
++) {
593 if (exec
->eval
.map2
[i
].map
)
594 if (exec
->vtx
.active_sz
[i
] != exec
->eval
.map2
[i
].sz
)
595 vbo_exec_fixup_vertex( ctx
, i
, exec
->eval
.map2
[i
].sz
);
598 if (ctx
->Eval
.AutoNormal
)
599 if (exec
->vtx
.active_sz
[VBO_ATTRIB_NORMAL
] != 3)
600 vbo_exec_fixup_vertex( ctx
, VBO_ATTRIB_NORMAL
, 3 );
603 memcpy( exec
->vtx
.copied
.buffer
, exec
->vtx
.vertex
,
604 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
606 vbo_exec_do_EvalCoord2f( exec
, u
, v
);
608 memcpy( exec
->vtx
.vertex
, exec
->vtx
.copied
.buffer
,
609 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
612 static void GLAPIENTRY
vbo_exec_EvalCoord1fv( const GLfloat
*u
)
614 vbo_exec_EvalCoord1f( u
[0] );
617 static void GLAPIENTRY
vbo_exec_EvalCoord2fv( const GLfloat
*u
)
619 vbo_exec_EvalCoord2f( u
[0], u
[1] );
622 static void GLAPIENTRY
vbo_exec_EvalPoint1( GLint i
)
624 GET_CURRENT_CONTEXT( ctx
);
625 GLfloat du
= ((ctx
->Eval
.MapGrid1u2
- ctx
->Eval
.MapGrid1u1
) /
626 (GLfloat
) ctx
->Eval
.MapGrid1un
);
627 GLfloat u
= i
* du
+ ctx
->Eval
.MapGrid1u1
;
629 vbo_exec_EvalCoord1f( u
);
633 static void GLAPIENTRY
vbo_exec_EvalPoint2( GLint i
, GLint j
)
635 GET_CURRENT_CONTEXT( ctx
);
636 GLfloat du
= ((ctx
->Eval
.MapGrid2u2
- ctx
->Eval
.MapGrid2u1
) /
637 (GLfloat
) ctx
->Eval
.MapGrid2un
);
638 GLfloat dv
= ((ctx
->Eval
.MapGrid2v2
- ctx
->Eval
.MapGrid2v1
) /
639 (GLfloat
) ctx
->Eval
.MapGrid2vn
);
640 GLfloat u
= i
* du
+ ctx
->Eval
.MapGrid2u1
;
641 GLfloat v
= j
* dv
+ ctx
->Eval
.MapGrid2v1
;
643 vbo_exec_EvalCoord2f( u
, v
);
647 static void GLAPIENTRY
648 vbo_exec_EvalMesh1(GLenum mode
, GLint i1
, GLint i2
)
650 GET_CURRENT_CONTEXT(ctx
);
655 ASSERT_OUTSIDE_BEGIN_END(ctx
);
662 prim
= GL_LINE_STRIP
;
665 _mesa_error( ctx
, GL_INVALID_ENUM
, "glEvalMesh1(mode)" );
669 /* No effect if vertex maps disabled.
671 if (!ctx
->Eval
.Map1Vertex4
&&
672 !ctx
->Eval
.Map1Vertex3
&&
673 !(ctx
->VertexProgram
._Enabled
&& ctx
->Eval
.Map1Attrib
[VERT_ATTRIB_POS
]))
676 du
= ctx
->Eval
.MapGrid1du
;
677 u
= ctx
->Eval
.MapGrid1u1
+ i1
* du
;
679 CALL_Begin(GET_DISPATCH(), (prim
));
680 for (i
=i1
;i
<=i2
;i
++,u
+=du
) {
681 CALL_EvalCoord1f(GET_DISPATCH(), (u
));
683 CALL_End(GET_DISPATCH(), ());
687 static void GLAPIENTRY
688 vbo_exec_EvalMesh2(GLenum mode
, GLint i1
, GLint i2
, GLint j1
, GLint j2
)
690 GET_CURRENT_CONTEXT(ctx
);
691 GLfloat u
, du
, v
, dv
, v1
, u1
;
694 ASSERT_OUTSIDE_BEGIN_END(ctx
);
702 _mesa_error( ctx
, GL_INVALID_ENUM
, "glEvalMesh2(mode)" );
706 /* No effect if vertex maps disabled.
708 if (!ctx
->Eval
.Map2Vertex4
&&
709 !ctx
->Eval
.Map2Vertex3
&&
710 !(ctx
->VertexProgram
._Enabled
&& ctx
->Eval
.Map2Attrib
[VERT_ATTRIB_POS
]))
713 du
= ctx
->Eval
.MapGrid2du
;
714 dv
= ctx
->Eval
.MapGrid2dv
;
715 v1
= ctx
->Eval
.MapGrid2v1
+ j1
* dv
;
716 u1
= ctx
->Eval
.MapGrid2u1
+ i1
* du
;
720 CALL_Begin(GET_DISPATCH(), (GL_POINTS
));
721 for (v
=v1
,j
=j1
;j
<=j2
;j
++,v
+=dv
) {
722 for (u
=u1
,i
=i1
;i
<=i2
;i
++,u
+=du
) {
723 CALL_EvalCoord2f(GET_DISPATCH(), (u
, v
));
726 CALL_End(GET_DISPATCH(), ());
729 for (v
=v1
,j
=j1
;j
<=j2
;j
++,v
+=dv
) {
730 CALL_Begin(GET_DISPATCH(), (GL_LINE_STRIP
));
731 for (u
=u1
,i
=i1
;i
<=i2
;i
++,u
+=du
) {
732 CALL_EvalCoord2f(GET_DISPATCH(), (u
, v
));
734 CALL_End(GET_DISPATCH(), ());
736 for (u
=u1
,i
=i1
;i
<=i2
;i
++,u
+=du
) {
737 CALL_Begin(GET_DISPATCH(), (GL_LINE_STRIP
));
738 for (v
=v1
,j
=j1
;j
<=j2
;j
++,v
+=dv
) {
739 CALL_EvalCoord2f(GET_DISPATCH(), (u
, v
));
741 CALL_End(GET_DISPATCH(), ());
745 for (v
=v1
,j
=j1
;j
<j2
;j
++,v
+=dv
) {
746 CALL_Begin(GET_DISPATCH(), (GL_TRIANGLE_STRIP
));
747 for (u
=u1
,i
=i1
;i
<=i2
;i
++,u
+=du
) {
748 CALL_EvalCoord2f(GET_DISPATCH(), (u
, v
));
749 CALL_EvalCoord2f(GET_DISPATCH(), (u
, v
+dv
));
751 CALL_End(GET_DISPATCH(), ());
757 #endif /* FEATURE_evaluators */
761 * Execute a glRectf() function. This is not suitable for GL_COMPILE
762 * modes (as the test for outside begin/end is not compiled),
763 * but may be useful for drivers in circumstances which exclude
764 * display list interactions.
766 * (None of the functions in this file are suitable for GL_COMPILE
769 static void GLAPIENTRY
770 vbo_exec_Rectf(GLfloat x1
, GLfloat y1
, GLfloat x2
, GLfloat y2
)
772 GET_CURRENT_CONTEXT(ctx
);
773 ASSERT_OUTSIDE_BEGIN_END(ctx
);
775 CALL_Begin(GET_DISPATCH(), (GL_QUADS
));
776 CALL_Vertex2f(GET_DISPATCH(), (x1
, y1
));
777 CALL_Vertex2f(GET_DISPATCH(), (x2
, y1
));
778 CALL_Vertex2f(GET_DISPATCH(), (x2
, y2
));
779 CALL_Vertex2f(GET_DISPATCH(), (x1
, y2
));
780 CALL_End(GET_DISPATCH(), ());
785 * Called via glBegin.
787 static void GLAPIENTRY
vbo_exec_Begin( GLenum mode
)
789 GET_CURRENT_CONTEXT( ctx
);
791 if (ctx
->Driver
.CurrentExecPrimitive
== PRIM_OUTSIDE_BEGIN_END
) {
792 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
795 if (!_mesa_valid_prim_mode(ctx
, mode
, "glBegin")) {
799 vbo_draw_method(vbo_context(ctx
), DRAW_BEGIN_END
);
801 if (ctx
->Driver
.PrepareExecBegin
)
802 ctx
->Driver
.PrepareExecBegin(ctx
);
805 _mesa_update_state( ctx
);
807 CALL_Begin(ctx
->Exec
, (mode
));
811 if (!_mesa_valid_to_render(ctx
, "glBegin")) {
815 /* Heuristic: attempt to isolate attributes occuring outside
818 if (exec
->vtx
.vertex_size
&& !exec
->vtx
.attrsz
[0])
819 vbo_exec_FlushVertices_internal(exec
, GL_FALSE
);
821 i
= exec
->vtx
.prim_count
++;
822 exec
->vtx
.prim
[i
].mode
= mode
;
823 exec
->vtx
.prim
[i
].begin
= 1;
824 exec
->vtx
.prim
[i
].end
= 0;
825 exec
->vtx
.prim
[i
].indexed
= 0;
826 exec
->vtx
.prim
[i
].weak
= 0;
827 exec
->vtx
.prim
[i
].pad
= 0;
828 exec
->vtx
.prim
[i
].start
= exec
->vtx
.vert_count
;
829 exec
->vtx
.prim
[i
].count
= 0;
830 exec
->vtx
.prim
[i
].num_instances
= 1;
831 exec
->vtx
.prim
[i
].base_instance
= 0;
833 ctx
->Driver
.CurrentExecPrimitive
= mode
;
836 _mesa_error( ctx
, GL_INVALID_OPERATION
, "glBegin" );
844 static void GLAPIENTRY
vbo_exec_End( void )
846 GET_CURRENT_CONTEXT( ctx
);
848 if (ctx
->Driver
.CurrentExecPrimitive
!= PRIM_OUTSIDE_BEGIN_END
) {
849 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
851 if (exec
->vtx
.prim_count
> 0) {
852 /* close off current primitive */
853 int idx
= exec
->vtx
.vert_count
;
854 int i
= exec
->vtx
.prim_count
- 1;
856 exec
->vtx
.prim
[i
].end
= 1;
857 exec
->vtx
.prim
[i
].count
= idx
- exec
->vtx
.prim
[i
].start
;
860 ctx
->Driver
.CurrentExecPrimitive
= PRIM_OUTSIDE_BEGIN_END
;
862 if (exec
->vtx
.prim_count
== VBO_MAX_PRIM
)
863 vbo_exec_vtx_flush( exec
, GL_FALSE
);
866 _mesa_error( ctx
, GL_INVALID_OPERATION
, "glEnd" );
868 if (MESA_DEBUG_FLAGS
& DEBUG_ALWAYS_FLUSH
) {
875 * Called via glPrimitiveRestartNV()
877 static void GLAPIENTRY
878 vbo_exec_PrimitiveRestartNV(void)
881 GET_CURRENT_CONTEXT( ctx
);
883 curPrim
= ctx
->Driver
.CurrentExecPrimitive
;
885 if (curPrim
== PRIM_OUTSIDE_BEGIN_END
) {
886 _mesa_error( ctx
, GL_INVALID_OPERATION
, "glPrimitiveRestartNV" );
890 vbo_exec_Begin(curPrim
);
896 static void vbo_exec_vtxfmt_init( struct vbo_exec_context
*exec
)
898 struct gl_context
*ctx
= exec
->ctx
;
899 GLvertexformat
*vfmt
= &exec
->vtxfmt
;
901 _MESA_INIT_ARRAYELT_VTXFMT(vfmt
, _ae_
);
903 vfmt
->Begin
= vbo_exec_Begin
;
904 vfmt
->End
= vbo_exec_End
;
905 vfmt
->PrimitiveRestartNV
= vbo_exec_PrimitiveRestartNV
;
907 _MESA_INIT_DLIST_VTXFMT(vfmt
, _mesa_
);
908 _MESA_INIT_EVAL_VTXFMT(vfmt
, vbo_exec_
);
910 vfmt
->Rectf
= vbo_exec_Rectf
;
912 /* from attrib_tmp.h:
914 vfmt
->Color3f
= vbo_Color3f
;
915 vfmt
->Color3fv
= vbo_Color3fv
;
916 vfmt
->Color4f
= vbo_Color4f
;
917 vfmt
->Color4fv
= vbo_Color4fv
;
918 vfmt
->FogCoordfEXT
= vbo_FogCoordfEXT
;
919 vfmt
->FogCoordfvEXT
= vbo_FogCoordfvEXT
;
920 vfmt
->MultiTexCoord1fARB
= vbo_MultiTexCoord1f
;
921 vfmt
->MultiTexCoord1fvARB
= vbo_MultiTexCoord1fv
;
922 vfmt
->MultiTexCoord2fARB
= vbo_MultiTexCoord2f
;
923 vfmt
->MultiTexCoord2fvARB
= vbo_MultiTexCoord2fv
;
924 vfmt
->MultiTexCoord3fARB
= vbo_MultiTexCoord3f
;
925 vfmt
->MultiTexCoord3fvARB
= vbo_MultiTexCoord3fv
;
926 vfmt
->MultiTexCoord4fARB
= vbo_MultiTexCoord4f
;
927 vfmt
->MultiTexCoord4fvARB
= vbo_MultiTexCoord4fv
;
928 vfmt
->Normal3f
= vbo_Normal3f
;
929 vfmt
->Normal3fv
= vbo_Normal3fv
;
930 vfmt
->SecondaryColor3fEXT
= vbo_SecondaryColor3fEXT
;
931 vfmt
->SecondaryColor3fvEXT
= vbo_SecondaryColor3fvEXT
;
932 vfmt
->TexCoord1f
= vbo_TexCoord1f
;
933 vfmt
->TexCoord1fv
= vbo_TexCoord1fv
;
934 vfmt
->TexCoord2f
= vbo_TexCoord2f
;
935 vfmt
->TexCoord2fv
= vbo_TexCoord2fv
;
936 vfmt
->TexCoord3f
= vbo_TexCoord3f
;
937 vfmt
->TexCoord3fv
= vbo_TexCoord3fv
;
938 vfmt
->TexCoord4f
= vbo_TexCoord4f
;
939 vfmt
->TexCoord4fv
= vbo_TexCoord4fv
;
940 vfmt
->Vertex2f
= vbo_Vertex2f
;
941 vfmt
->Vertex2fv
= vbo_Vertex2fv
;
942 vfmt
->Vertex3f
= vbo_Vertex3f
;
943 vfmt
->Vertex3fv
= vbo_Vertex3fv
;
944 vfmt
->Vertex4f
= vbo_Vertex4f
;
945 vfmt
->Vertex4fv
= vbo_Vertex4fv
;
947 if (ctx
->API
== API_OPENGLES2
) {
948 vfmt
->VertexAttrib1fARB
= _es_VertexAttrib1f
;
949 vfmt
->VertexAttrib1fvARB
= _es_VertexAttrib1fv
;
950 vfmt
->VertexAttrib2fARB
= _es_VertexAttrib2f
;
951 vfmt
->VertexAttrib2fvARB
= _es_VertexAttrib2fv
;
952 vfmt
->VertexAttrib3fARB
= _es_VertexAttrib3f
;
953 vfmt
->VertexAttrib3fvARB
= _es_VertexAttrib3fv
;
954 vfmt
->VertexAttrib4fARB
= _es_VertexAttrib4f
;
955 vfmt
->VertexAttrib4fvARB
= _es_VertexAttrib4fv
;
957 vfmt
->VertexAttrib1fARB
= vbo_VertexAttrib1fARB
;
958 vfmt
->VertexAttrib1fvARB
= vbo_VertexAttrib1fvARB
;
959 vfmt
->VertexAttrib2fARB
= vbo_VertexAttrib2fARB
;
960 vfmt
->VertexAttrib2fvARB
= vbo_VertexAttrib2fvARB
;
961 vfmt
->VertexAttrib3fARB
= vbo_VertexAttrib3fARB
;
962 vfmt
->VertexAttrib3fvARB
= vbo_VertexAttrib3fvARB
;
963 vfmt
->VertexAttrib4fARB
= vbo_VertexAttrib4fARB
;
964 vfmt
->VertexAttrib4fvARB
= vbo_VertexAttrib4fvARB
;
967 vfmt
->VertexAttrib1fNV
= vbo_VertexAttrib1fNV
;
968 vfmt
->VertexAttrib1fvNV
= vbo_VertexAttrib1fvNV
;
969 vfmt
->VertexAttrib2fNV
= vbo_VertexAttrib2fNV
;
970 vfmt
->VertexAttrib2fvNV
= vbo_VertexAttrib2fvNV
;
971 vfmt
->VertexAttrib3fNV
= vbo_VertexAttrib3fNV
;
972 vfmt
->VertexAttrib3fvNV
= vbo_VertexAttrib3fvNV
;
973 vfmt
->VertexAttrib4fNV
= vbo_VertexAttrib4fNV
;
974 vfmt
->VertexAttrib4fvNV
= vbo_VertexAttrib4fvNV
;
977 vfmt
->VertexAttribI1i
= vbo_VertexAttribI1i
;
978 vfmt
->VertexAttribI2i
= vbo_VertexAttribI2i
;
979 vfmt
->VertexAttribI3i
= vbo_VertexAttribI3i
;
980 vfmt
->VertexAttribI4i
= vbo_VertexAttribI4i
;
981 vfmt
->VertexAttribI2iv
= vbo_VertexAttribI2iv
;
982 vfmt
->VertexAttribI3iv
= vbo_VertexAttribI3iv
;
983 vfmt
->VertexAttribI4iv
= vbo_VertexAttribI4iv
;
985 /* unsigned integer-valued */
986 vfmt
->VertexAttribI1ui
= vbo_VertexAttribI1ui
;
987 vfmt
->VertexAttribI2ui
= vbo_VertexAttribI2ui
;
988 vfmt
->VertexAttribI3ui
= vbo_VertexAttribI3ui
;
989 vfmt
->VertexAttribI4ui
= vbo_VertexAttribI4ui
;
990 vfmt
->VertexAttribI2uiv
= vbo_VertexAttribI2uiv
;
991 vfmt
->VertexAttribI3uiv
= vbo_VertexAttribI3uiv
;
992 vfmt
->VertexAttribI4uiv
= vbo_VertexAttribI4uiv
;
994 vfmt
->Materialfv
= vbo_Materialfv
;
996 vfmt
->EdgeFlag
= vbo_EdgeFlag
;
997 vfmt
->Indexf
= vbo_Indexf
;
998 vfmt
->Indexfv
= vbo_Indexfv
;
1000 /* ARB_vertex_type_2_10_10_10_rev */
1001 vfmt
->VertexP2ui
= vbo_VertexP2ui
;
1002 vfmt
->VertexP2uiv
= vbo_VertexP2uiv
;
1003 vfmt
->VertexP3ui
= vbo_VertexP3ui
;
1004 vfmt
->VertexP3uiv
= vbo_VertexP3uiv
;
1005 vfmt
->VertexP4ui
= vbo_VertexP4ui
;
1006 vfmt
->VertexP4uiv
= vbo_VertexP4uiv
;
1008 vfmt
->TexCoordP1ui
= vbo_TexCoordP1ui
;
1009 vfmt
->TexCoordP1uiv
= vbo_TexCoordP1uiv
;
1010 vfmt
->TexCoordP2ui
= vbo_TexCoordP2ui
;
1011 vfmt
->TexCoordP2uiv
= vbo_TexCoordP2uiv
;
1012 vfmt
->TexCoordP3ui
= vbo_TexCoordP3ui
;
1013 vfmt
->TexCoordP3uiv
= vbo_TexCoordP3uiv
;
1014 vfmt
->TexCoordP4ui
= vbo_TexCoordP4ui
;
1015 vfmt
->TexCoordP4uiv
= vbo_TexCoordP4uiv
;
1017 vfmt
->MultiTexCoordP1ui
= vbo_MultiTexCoordP1ui
;
1018 vfmt
->MultiTexCoordP1uiv
= vbo_MultiTexCoordP1uiv
;
1019 vfmt
->MultiTexCoordP2ui
= vbo_MultiTexCoordP2ui
;
1020 vfmt
->MultiTexCoordP2uiv
= vbo_MultiTexCoordP2uiv
;
1021 vfmt
->MultiTexCoordP3ui
= vbo_MultiTexCoordP3ui
;
1022 vfmt
->MultiTexCoordP3uiv
= vbo_MultiTexCoordP3uiv
;
1023 vfmt
->MultiTexCoordP4ui
= vbo_MultiTexCoordP4ui
;
1024 vfmt
->MultiTexCoordP4uiv
= vbo_MultiTexCoordP4uiv
;
1026 vfmt
->NormalP3ui
= vbo_NormalP3ui
;
1027 vfmt
->NormalP3uiv
= vbo_NormalP3uiv
;
1029 vfmt
->ColorP3ui
= vbo_ColorP3ui
;
1030 vfmt
->ColorP3uiv
= vbo_ColorP3uiv
;
1031 vfmt
->ColorP4ui
= vbo_ColorP4ui
;
1032 vfmt
->ColorP4uiv
= vbo_ColorP4uiv
;
1034 vfmt
->SecondaryColorP3ui
= vbo_SecondaryColorP3ui
;
1035 vfmt
->SecondaryColorP3uiv
= vbo_SecondaryColorP3uiv
;
1037 vfmt
->VertexAttribP1ui
= vbo_VertexAttribP1ui
;
1038 vfmt
->VertexAttribP1uiv
= vbo_VertexAttribP1uiv
;
1039 vfmt
->VertexAttribP2ui
= vbo_VertexAttribP2ui
;
1040 vfmt
->VertexAttribP2uiv
= vbo_VertexAttribP2uiv
;
1041 vfmt
->VertexAttribP3ui
= vbo_VertexAttribP3ui
;
1042 vfmt
->VertexAttribP3uiv
= vbo_VertexAttribP3uiv
;
1043 vfmt
->VertexAttribP4ui
= vbo_VertexAttribP4ui
;
1044 vfmt
->VertexAttribP4uiv
= vbo_VertexAttribP4uiv
;
1049 * Tell the VBO module to use a real OpenGL vertex buffer object to
1050 * store accumulated immediate-mode vertex data.
1051 * This replaces the malloced buffer which was created in
1052 * vb_exec_vtx_init() below.
1054 void vbo_use_buffer_objects(struct gl_context
*ctx
)
1056 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1057 /* Any buffer name but 0 can be used here since this bufferobj won't
1058 * go into the bufferobj hashtable.
1060 GLuint bufName
= IMM_BUFFER_NAME
;
1061 GLenum target
= GL_ARRAY_BUFFER_ARB
;
1062 GLenum usage
= GL_STREAM_DRAW_ARB
;
1063 GLsizei size
= VBO_VERT_BUFFER_SIZE
;
1065 /* Make sure this func is only used once */
1066 assert(exec
->vtx
.bufferobj
== ctx
->Shared
->NullBufferObj
);
1067 if (exec
->vtx
.buffer_map
) {
1068 _mesa_align_free(exec
->vtx
.buffer_map
);
1069 exec
->vtx
.buffer_map
= NULL
;
1070 exec
->vtx
.buffer_ptr
= NULL
;
1073 /* Allocate a real buffer object now */
1074 _mesa_reference_buffer_object(ctx
, &exec
->vtx
.bufferobj
, NULL
);
1075 exec
->vtx
.bufferobj
= ctx
->Driver
.NewBufferObject(ctx
, bufName
, target
);
1076 if (!ctx
->Driver
.BufferData(ctx
, target
, size
, NULL
, usage
, exec
->vtx
.bufferobj
)) {
1077 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "VBO allocation");
1083 * If this function is called, all VBO buffers will be unmapped when
1085 * Otherwise, if a simple command like glColor3f() is called and we flush,
1086 * the current VBO may be left mapped.
1089 vbo_always_unmap_buffers(struct gl_context
*ctx
)
1091 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1092 exec
->begin_vertices_flags
|= FLUSH_STORED_VERTICES
;
1096 void vbo_exec_vtx_init( struct vbo_exec_context
*exec
)
1098 struct gl_context
*ctx
= exec
->ctx
;
1099 struct vbo_context
*vbo
= vbo_context(ctx
);
1102 /* Allocate a buffer object. Will just reuse this object
1103 * continuously, unless vbo_use_buffer_objects() is called to enable
1106 _mesa_reference_buffer_object(ctx
,
1107 &exec
->vtx
.bufferobj
,
1108 ctx
->Shared
->NullBufferObj
);
1110 ASSERT(!exec
->vtx
.buffer_map
);
1111 exec
->vtx
.buffer_map
= _mesa_align_malloc(VBO_VERT_BUFFER_SIZE
, 64);
1112 exec
->vtx
.buffer_ptr
= exec
->vtx
.buffer_map
;
1114 vbo_exec_vtxfmt_init( exec
);
1115 _mesa_noop_vtxfmt_init(&exec
->vtxfmt_noop
);
1117 /* Hook our functions into the dispatch table.
1119 _mesa_install_exec_vtxfmt( ctx
, &exec
->vtxfmt
);
1121 for (i
= 0 ; i
< VBO_ATTRIB_MAX
; i
++) {
1122 ASSERT(i
< Elements(exec
->vtx
.attrsz
));
1123 exec
->vtx
.attrsz
[i
] = 0;
1124 ASSERT(i
< Elements(exec
->vtx
.active_sz
));
1125 exec
->vtx
.active_sz
[i
] = 0;
1127 for (i
= 0 ; i
< VERT_ATTRIB_MAX
; i
++) {
1128 ASSERT(i
< Elements(exec
->vtx
.inputs
));
1129 ASSERT(i
< Elements(exec
->vtx
.arrays
));
1130 exec
->vtx
.inputs
[i
] = &exec
->vtx
.arrays
[i
];
1134 struct gl_client_array
*arrays
= exec
->vtx
.arrays
;
1137 memcpy(arrays
, &vbo
->currval
[VBO_ATTRIB_POS
],
1138 VERT_ATTRIB_FF_MAX
* sizeof(arrays
[0]));
1139 for (i
= 0; i
< VERT_ATTRIB_FF_MAX
; ++i
) {
1140 struct gl_client_array
*array
;
1141 array
= &arrays
[VERT_ATTRIB_FF(i
)];
1142 array
->BufferObj
= NULL
;
1143 _mesa_reference_buffer_object(ctx
, &arrays
->BufferObj
,
1144 vbo
->currval
[VBO_ATTRIB_POS
+i
].BufferObj
);
1147 memcpy(arrays
+ VERT_ATTRIB_GENERIC(0),
1148 &vbo
->currval
[VBO_ATTRIB_GENERIC0
],
1149 VERT_ATTRIB_GENERIC_MAX
* sizeof(arrays
[0]));
1151 for (i
= 0; i
< VERT_ATTRIB_GENERIC_MAX
; ++i
) {
1152 struct gl_client_array
*array
;
1153 array
= &arrays
[VERT_ATTRIB_GENERIC(i
)];
1154 array
->BufferObj
= NULL
;
1155 _mesa_reference_buffer_object(ctx
, &array
->BufferObj
,
1156 vbo
->currval
[VBO_ATTRIB_GENERIC0
+i
].BufferObj
);
1160 exec
->vtx
.vertex_size
= 0;
1162 exec
->begin_vertices_flags
= FLUSH_UPDATE_CURRENT
;
1166 void vbo_exec_vtx_destroy( struct vbo_exec_context
*exec
)
1168 /* using a real VBO for vertex data */
1169 struct gl_context
*ctx
= exec
->ctx
;
1172 /* True VBOs should already be unmapped
1174 if (exec
->vtx
.buffer_map
) {
1175 ASSERT(exec
->vtx
.bufferobj
->Name
== 0 ||
1176 exec
->vtx
.bufferobj
->Name
== IMM_BUFFER_NAME
);
1177 if (exec
->vtx
.bufferobj
->Name
== 0) {
1178 _mesa_align_free(exec
->vtx
.buffer_map
);
1179 exec
->vtx
.buffer_map
= NULL
;
1180 exec
->vtx
.buffer_ptr
= NULL
;
1184 /* Drop any outstanding reference to the vertex buffer
1186 for (i
= 0; i
< Elements(exec
->vtx
.arrays
); i
++) {
1187 _mesa_reference_buffer_object(ctx
,
1188 &exec
->vtx
.arrays
[i
].BufferObj
,
1192 /* Free the vertex buffer. Unmap first if needed.
1194 if (_mesa_bufferobj_mapped(exec
->vtx
.bufferobj
)) {
1195 ctx
->Driver
.UnmapBuffer(ctx
, exec
->vtx
.bufferobj
);
1197 _mesa_reference_buffer_object(ctx
, &exec
->vtx
.bufferobj
, NULL
);
1202 * Called upon first glVertex, glColor, glTexCoord, etc.
1204 void vbo_exec_BeginVertices( struct gl_context
*ctx
)
1206 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1208 vbo_exec_vtx_map( exec
);
1210 assert((ctx
->Driver
.NeedFlush
& FLUSH_UPDATE_CURRENT
) == 0);
1211 assert(exec
->begin_vertices_flags
);
1213 ctx
->Driver
.NeedFlush
|= exec
->begin_vertices_flags
;
1218 * Called via ctx->Driver.FlushVertices()
1219 * \param flags bitmask of FLUSH_STORED_VERTICES, FLUSH_UPDATE_CURRENT
1221 void vbo_exec_FlushVertices( struct gl_context
*ctx
, GLuint flags
)
1223 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1226 /* debug check: make sure we don't get called recursively */
1227 exec
->flush_call_depth
++;
1228 assert(exec
->flush_call_depth
== 1);
1231 if (ctx
->Driver
.CurrentExecPrimitive
!= PRIM_OUTSIDE_BEGIN_END
) {
1232 /* We've had glBegin but not glEnd! */
1234 exec
->flush_call_depth
--;
1235 assert(exec
->flush_call_depth
== 0);
1240 /* Flush (draw), and make sure VBO is left unmapped when done */
1241 vbo_exec_FlushVertices_internal(exec
, GL_TRUE
);
1243 /* Need to do this to ensure BeginVertices gets called again:
1245 ctx
->Driver
.NeedFlush
&= ~(FLUSH_UPDATE_CURRENT
| flags
);
1248 exec
->flush_call_depth
--;
1249 assert(exec
->flush_call_depth
== 0);
1254 static void reset_attrfv( struct vbo_exec_context
*exec
)
1258 for (i
= 0 ; i
< VBO_ATTRIB_MAX
; i
++) {
1259 exec
->vtx
.attrsz
[i
] = 0;
1260 exec
->vtx
.active_sz
[i
] = 0;
1263 exec
->vtx
.vertex_size
= 0;
1268 _es_Color4f(GLfloat r
, GLfloat g
, GLfloat b
, GLfloat a
)
1270 vbo_Color4f(r
, g
, b
, a
);
1275 _es_Normal3f(GLfloat x
, GLfloat y
, GLfloat z
)
1277 vbo_Normal3f(x
, y
, z
);
1282 _es_MultiTexCoord4f(GLenum target
, GLfloat s
, GLfloat t
, GLfloat r
, GLfloat q
)
1284 vbo_MultiTexCoord4f(target
, s
, t
, r
, q
);
1289 _es_Materialfv(GLenum face
, GLenum pname
, const GLfloat
*params
)
1291 vbo_Materialfv(face
, pname
, params
);
1296 _es_Materialf(GLenum face
, GLenum pname
, GLfloat param
)
1300 p
[1] = p
[2] = p
[3] = 0.0F
;
1301 vbo_Materialfv(face
, pname
, p
);
1306 * A special version of glVertexAttrib4f that does not treat index 0 as
1310 VertexAttrib4f_nopos(GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
)
1312 GET_CURRENT_CONTEXT(ctx
);
1313 if (index
< MAX_VERTEX_GENERIC_ATTRIBS
)
1314 ATTR(VBO_ATTRIB_GENERIC0
+ index
, 4, x
, y
, z
, w
);
1316 ERROR(GL_INVALID_VALUE
);
1320 _es_VertexAttrib4f(GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
)
1322 VertexAttrib4f_nopos(index
, x
, y
, z
, w
);
1327 _es_VertexAttrib1f(GLuint indx
, GLfloat x
)
1329 VertexAttrib4f_nopos(indx
, x
, 0.0f
, 0.0f
, 1.0f
);
1334 _es_VertexAttrib1fv(GLuint indx
, const GLfloat
* values
)
1336 VertexAttrib4f_nopos(indx
, values
[0], 0.0f
, 0.0f
, 1.0f
);
1341 _es_VertexAttrib2f(GLuint indx
, GLfloat x
, GLfloat y
)
1343 VertexAttrib4f_nopos(indx
, x
, y
, 0.0f
, 1.0f
);
1348 _es_VertexAttrib2fv(GLuint indx
, const GLfloat
* values
)
1350 VertexAttrib4f_nopos(indx
, values
[0], values
[1], 0.0f
, 1.0f
);
1355 _es_VertexAttrib3f(GLuint indx
, GLfloat x
, GLfloat y
, GLfloat z
)
1357 VertexAttrib4f_nopos(indx
, x
, y
, z
, 1.0f
);
1362 _es_VertexAttrib3fv(GLuint indx
, const GLfloat
* values
)
1364 VertexAttrib4f_nopos(indx
, values
[0], values
[1], values
[2], 1.0f
);
1369 _es_VertexAttrib4fv(GLuint indx
, const GLfloat
* values
)
1371 VertexAttrib4f_nopos(indx
, values
[0], values
[1], values
[2], values
[3]);