1 /**************************************************************************
3 Copyright 2002-2008 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 "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 VMWARE 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 <keithw@vmware.com>
33 #include "main/glheader.h"
34 #include "main/bufferobj.h"
35 #include "main/context.h"
36 #include "main/macros.h"
37 #include "main/vtxfmt.h"
38 #include "main/dlist.h"
39 #include "main/eval.h"
40 #include "main/state.h"
41 #include "main/light.h"
42 #include "main/api_arrayelt.h"
43 #include "main/api_validate.h"
44 #include "main/dispatch.h"
45 #include "util/bitscan.h"
47 #include "vbo_context.h"
51 /** ID/name for immediate-mode VBO */
52 #define IMM_BUFFER_NAME 0xaabbccdd
56 vbo_reset_all_attr(struct vbo_exec_context
*exec
);
60 * Close off the last primitive, execute the buffer, restart the
61 * primitive. This is called when we fill a vertex buffer before
65 vbo_exec_wrap_buffers(struct vbo_exec_context
*exec
)
67 if (exec
->vtx
.prim_count
== 0) {
68 exec
->vtx
.copied
.nr
= 0;
69 exec
->vtx
.vert_count
= 0;
70 exec
->vtx
.buffer_ptr
= exec
->vtx
.buffer_map
;
73 struct _mesa_prim
*last_prim
= &exec
->vtx
.prim
[exec
->vtx
.prim_count
- 1];
74 const GLuint last_begin
= last_prim
->begin
;
77 if (_mesa_inside_begin_end(exec
->ctx
)) {
78 last_prim
->count
= exec
->vtx
.vert_count
- last_prim
->start
;
81 last_count
= last_prim
->count
;
83 /* Special handling for wrapping GL_LINE_LOOP */
84 if (last_prim
->mode
== GL_LINE_LOOP
&&
87 /* draw this section of the incomplete line loop as a line strip */
88 last_prim
->mode
= GL_LINE_STRIP
;
89 if (!last_prim
->begin
) {
90 /* This is not the first section of the line loop, so don't
91 * draw the 0th vertex. We're saving it until we draw the
92 * very last section of the loop.
99 /* Execute the buffer and save copied vertices.
101 if (exec
->vtx
.vert_count
)
102 vbo_exec_vtx_flush( exec
, GL_FALSE
);
104 exec
->vtx
.prim_count
= 0;
105 exec
->vtx
.copied
.nr
= 0;
108 /* Emit a glBegin to start the new list.
110 assert(exec
->vtx
.prim_count
== 0);
112 if (_mesa_inside_begin_end(exec
->ctx
)) {
113 exec
->vtx
.prim
[0].mode
= exec
->ctx
->Driver
.CurrentExecPrimitive
;
114 exec
->vtx
.prim
[0].begin
= 0;
115 exec
->vtx
.prim
[0].end
= 0;
116 exec
->vtx
.prim
[0].start
= 0;
117 exec
->vtx
.prim
[0].count
= 0;
118 exec
->vtx
.prim_count
++;
120 if (exec
->vtx
.copied
.nr
== last_count
)
121 exec
->vtx
.prim
[0].begin
= last_begin
;
128 * Deal with buffer wrapping where provoked by the vertex buffer
129 * filling up, as opposed to upgrade_vertex().
132 vbo_exec_vtx_wrap(struct vbo_exec_context
*exec
)
134 unsigned numComponents
;
136 /* Run pipeline on current vertices, copy wrapped vertices
137 * to exec->vtx.copied.
139 vbo_exec_wrap_buffers( exec
);
141 if (!exec
->vtx
.buffer_ptr
) {
142 /* probably ran out of memory earlier when allocating the VBO */
146 /* Copy stored stored vertices to start of new list.
148 assert(exec
->vtx
.max_vert
- exec
->vtx
.vert_count
> exec
->vtx
.copied
.nr
);
150 numComponents
= exec
->vtx
.copied
.nr
* exec
->vtx
.vertex_size
;
151 memcpy(exec
->vtx
.buffer_ptr
,
152 exec
->vtx
.copied
.buffer
,
153 numComponents
* sizeof(fi_type
));
154 exec
->vtx
.buffer_ptr
+= numComponents
;
155 exec
->vtx
.vert_count
+= exec
->vtx
.copied
.nr
;
157 exec
->vtx
.copied
.nr
= 0;
162 * Copy the active vertex's values to the ctx->Current fields.
165 vbo_exec_copy_to_current(struct vbo_exec_context
*exec
)
167 struct gl_context
*ctx
= exec
->ctx
;
168 struct vbo_context
*vbo
= vbo_context(ctx
);
169 GLbitfield64 enabled
= exec
->vtx
.enabled
& (~BITFIELD64_BIT(VBO_ATTRIB_POS
));
172 const int i
= u_bit_scan64(&enabled
);
174 /* Note: the exec->vtx.current[i] pointers point into the
175 * ctx->Current.Attrib and ctx->Light.Material.Attrib arrays.
177 GLfloat
*current
= (GLfloat
*)vbo
->currval
[i
].Ptr
;
178 fi_type tmp
[8]; /* space for doubles */
179 int dmul
= exec
->vtx
.attrtype
[i
] == GL_DOUBLE
? 2 : 1;
181 assert(exec
->vtx
.attrsz
[i
]);
183 if (exec
->vtx
.attrtype
[i
] == GL_DOUBLE
) {
184 memset(tmp
, 0, sizeof(tmp
));
185 memcpy(tmp
, exec
->vtx
.attrptr
[i
], exec
->vtx
.attrsz
[i
] * sizeof(GLfloat
));
187 COPY_CLEAN_4V_TYPE_AS_UNION(tmp
,
189 exec
->vtx
.attrptr
[i
],
190 exec
->vtx
.attrtype
[i
]);
193 if (exec
->vtx
.attrtype
[i
] != vbo
->currval
[i
].Type
||
194 memcmp(current
, tmp
, 4 * sizeof(GLfloat
) * dmul
) != 0) {
195 memcpy(current
, tmp
, 4 * sizeof(GLfloat
) * dmul
);
197 /* Given that we explicitly state size here, there is no need
198 * for the COPY_CLEAN above, could just copy 16 bytes and be
199 * done. The only problem is when Mesa accesses ctx->Current
202 /* Size here is in components - not bytes */
203 vbo
->currval
[i
].Size
= exec
->vtx
.attrsz
[i
] / dmul
;
204 vbo
->currval
[i
]._ElementSize
=
205 vbo
->currval
[i
].Size
* sizeof(GLfloat
) * dmul
;
206 vbo
->currval
[i
].Type
= exec
->vtx
.attrtype
[i
];
207 vbo
->currval
[i
].Integer
=
208 vbo_attrtype_to_integer_flag(exec
->vtx
.attrtype
[i
]);
209 vbo
->currval
[i
].Doubles
=
210 vbo_attrtype_to_double_flag(exec
->vtx
.attrtype
[i
]);
212 /* This triggers rather too much recalculation of Mesa state
213 * that doesn't get used (eg light positions).
215 if (i
>= VBO_ATTRIB_MAT_FRONT_AMBIENT
&&
216 i
<= VBO_ATTRIB_MAT_BACK_INDEXES
)
217 ctx
->NewState
|= _NEW_LIGHT
;
219 ctx
->NewState
|= _NEW_CURRENT_ATTRIB
;
223 /* Colormaterial -- this kindof sucks.
225 if (ctx
->Light
.ColorMaterialEnabled
&&
226 exec
->vtx
.attrsz
[VBO_ATTRIB_COLOR0
]) {
227 _mesa_update_color_material(ctx
,
228 ctx
->Current
.Attrib
[VBO_ATTRIB_COLOR0
]);
234 * Copy current vertex attribute values into the current vertex.
237 vbo_exec_copy_from_current(struct vbo_exec_context
*exec
)
239 struct gl_context
*ctx
= exec
->ctx
;
240 struct vbo_context
*vbo
= vbo_context(ctx
);
243 for (i
= VBO_ATTRIB_POS
+ 1; i
< VBO_ATTRIB_MAX
; i
++) {
244 if (exec
->vtx
.attrtype
[i
] == GL_DOUBLE
) {
245 memcpy(exec
->vtx
.attrptr
[i
], vbo
->currval
[i
].Ptr
,
246 exec
->vtx
.attrsz
[i
] * sizeof(GLfloat
));
248 const fi_type
*current
= (fi_type
*) vbo
->currval
[i
].Ptr
;
249 switch (exec
->vtx
.attrsz
[i
]) {
250 case 4: exec
->vtx
.attrptr
[i
][3] = current
[3];
251 case 3: exec
->vtx
.attrptr
[i
][2] = current
[2];
252 case 2: exec
->vtx
.attrptr
[i
][1] = current
[1];
253 case 1: exec
->vtx
.attrptr
[i
][0] = current
[0];
262 * Flush existing data, set new attrib size, replay copied vertices.
263 * This is called when we transition from a small vertex attribute size
264 * to a larger one. Ex: glTexCoord2f -> glTexCoord4f.
265 * We need to go back over the previous 2-component texcoords and insert
266 * zero and one values.
269 vbo_exec_wrap_upgrade_vertex(struct vbo_exec_context
*exec
,
270 GLuint attr
, GLuint newSize
)
272 struct gl_context
*ctx
= exec
->ctx
;
273 struct vbo_context
*vbo
= vbo_context(ctx
);
274 const GLint lastcount
= exec
->vtx
.vert_count
;
275 fi_type
*old_attrptr
[VBO_ATTRIB_MAX
];
276 const GLuint old_vtx_size
= exec
->vtx
.vertex_size
; /* floats per vertex */
277 const GLuint oldSize
= exec
->vtx
.attrsz
[attr
];
280 /* Run pipeline on current vertices, copy wrapped vertices
281 * to exec->vtx.copied.
283 vbo_exec_wrap_buffers( exec
);
285 if (unlikely(exec
->vtx
.copied
.nr
)) {
286 /* We're in the middle of a primitive, keep the old vertex
287 * format around to be able to translate the copied vertices to
290 memcpy(old_attrptr
, exec
->vtx
.attrptr
, sizeof(old_attrptr
));
293 if (unlikely(oldSize
)) {
294 /* Do a COPY_TO_CURRENT to ensure back-copying works for the
295 * case when the attribute already exists in the vertex and is
296 * having its size increased.
298 vbo_exec_copy_to_current( exec
);
301 /* Heuristic: Attempt to isolate attributes received outside
302 * begin/end so that they don't bloat the vertices.
304 if (!_mesa_inside_begin_end(ctx
) &&
305 !oldSize
&& lastcount
> 8 && exec
->vtx
.vertex_size
) {
306 vbo_exec_copy_to_current( exec
);
307 vbo_reset_all_attr(exec
);
312 exec
->vtx
.attrsz
[attr
] = newSize
;
313 exec
->vtx
.vertex_size
+= newSize
- oldSize
;
314 exec
->vtx
.max_vert
= vbo_compute_max_verts(exec
);
315 exec
->vtx
.vert_count
= 0;
316 exec
->vtx
.buffer_ptr
= exec
->vtx
.buffer_map
;
317 exec
->vtx
.enabled
|= BITFIELD64_BIT(attr
);
319 if (unlikely(oldSize
)) {
320 /* Size changed, recalculate all the attrptr[] values
322 fi_type
*tmp
= exec
->vtx
.vertex
;
324 for (i
= 0 ; i
< VBO_ATTRIB_MAX
; i
++) {
325 if (exec
->vtx
.attrsz
[i
]) {
326 exec
->vtx
.attrptr
[i
] = tmp
;
327 tmp
+= exec
->vtx
.attrsz
[i
];
330 exec
->vtx
.attrptr
[i
] = NULL
; /* will not be dereferenced */
333 /* Copy from current to repopulate the vertex with correct
336 vbo_exec_copy_from_current( exec
);
339 /* Just have to append the new attribute at the end */
340 exec
->vtx
.attrptr
[attr
] = exec
->vtx
.vertex
+
341 exec
->vtx
.vertex_size
- newSize
;
344 /* Replay stored vertices to translate them
345 * to new format here.
347 * -- No need to replay - just copy piecewise
349 if (unlikely(exec
->vtx
.copied
.nr
)) {
350 fi_type
*data
= exec
->vtx
.copied
.buffer
;
351 fi_type
*dest
= exec
->vtx
.buffer_ptr
;
353 assert(exec
->vtx
.buffer_ptr
== exec
->vtx
.buffer_map
);
355 for (i
= 0 ; i
< exec
->vtx
.copied
.nr
; i
++) {
356 GLbitfield64 enabled
= exec
->vtx
.enabled
;
358 const int j
= u_bit_scan64(&enabled
);
359 GLuint sz
= exec
->vtx
.attrsz
[j
];
360 GLint old_offset
= old_attrptr
[j
] - exec
->vtx
.vertex
;
361 GLint new_offset
= exec
->vtx
.attrptr
[j
] - exec
->vtx
.vertex
;
368 COPY_CLEAN_4V_TYPE_AS_UNION(tmp
, oldSize
,
370 exec
->vtx
.attrtype
[j
]);
371 COPY_SZ_4V(dest
+ new_offset
, newSize
, tmp
);
373 fi_type
*current
= (fi_type
*)vbo
->currval
[j
].Ptr
;
374 COPY_SZ_4V(dest
+ new_offset
, sz
, current
);
378 COPY_SZ_4V(dest
+ new_offset
, sz
, data
+ old_offset
);
382 data
+= old_vtx_size
;
383 dest
+= exec
->vtx
.vertex_size
;
386 exec
->vtx
.buffer_ptr
= dest
;
387 exec
->vtx
.vert_count
+= exec
->vtx
.copied
.nr
;
388 exec
->vtx
.copied
.nr
= 0;
394 * This is when a vertex attribute transitions to a different size.
395 * For example, we saw a bunch of glTexCoord2f() calls and now we got a
396 * glTexCoord4f() call. We promote the array from size=2 to size=4.
397 * \param newSize size of new vertex (number of 32-bit words).
400 vbo_exec_fixup_vertex(struct gl_context
*ctx
, GLuint attr
,
401 GLuint newSize
, GLenum newType
)
403 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
405 if (newSize
> exec
->vtx
.attrsz
[attr
] ||
406 newType
!= exec
->vtx
.attrtype
[attr
]) {
407 /* New size is larger. Need to flush existing vertices and get
408 * an enlarged vertex format.
410 vbo_exec_wrap_upgrade_vertex( exec
, attr
, newSize
);
412 else if (newSize
< exec
->vtx
.active_sz
[attr
]) {
415 vbo_get_default_vals_as_union(exec
->vtx
.attrtype
[attr
]);
417 /* New size is smaller - just need to fill in some
418 * zeros. Don't need to flush or wrap.
420 for (i
= newSize
; i
<= exec
->vtx
.attrsz
[attr
]; i
++)
421 exec
->vtx
.attrptr
[attr
][i
-1] = id
[i
-1];
424 exec
->vtx
.active_sz
[attr
] = newSize
;
425 exec
->vtx
.attrtype
[attr
] = newType
;
427 /* Does setting NeedFlush belong here? Necessitates resetting
428 * vtxfmt on each flush (otherwise flags won't get reset
432 ctx
->Driver
.NeedFlush
|= FLUSH_STORED_VERTICES
;
437 * Called upon first glVertex, glColor, glTexCoord, etc.
440 vbo_exec_begin_vertices(struct gl_context
*ctx
)
442 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
444 vbo_exec_vtx_map( exec
);
446 assert((ctx
->Driver
.NeedFlush
& FLUSH_UPDATE_CURRENT
) == 0);
447 assert(exec
->begin_vertices_flags
);
449 ctx
->Driver
.NeedFlush
|= exec
->begin_vertices_flags
;
454 * This macro is used to implement all the glVertex, glColor, glTexCoord,
455 * glVertexAttrib, etc functions.
456 * \param A attribute index
457 * \param N attribute size (1..4)
458 * \param T type (GL_FLOAT, GL_DOUBLE, GL_INT, GL_UNSIGNED_INT)
459 * \param C cast type (fi_type or double)
460 * \param V0, V1, v2, V3 attribute value
462 #define ATTR_UNION( A, N, T, C, V0, V1, V2, V3 ) \
464 struct vbo_exec_context *exec = &vbo_context(ctx)->exec; \
465 int sz = (sizeof(C) / sizeof(GLfloat)); \
467 assert(sz == 1 || sz == 2); \
469 /* check if attribute size or type is changing */ \
470 if (unlikely(exec->vtx.active_sz[A] != N * sz) || \
471 unlikely(exec->vtx.attrtype[A] != T)) { \
472 vbo_exec_fixup_vertex(ctx, A, N * sz, T); \
475 /* store vertex attribute in vertex buffer */ \
477 C *dest = (C *)exec->vtx.attrptr[A]; \
478 if (N>0) dest[0] = V0; \
479 if (N>1) dest[1] = V1; \
480 if (N>2) dest[2] = V2; \
481 if (N>3) dest[3] = V3; \
482 assert(exec->vtx.attrtype[A] == T); \
486 /* This is a glVertex call */ \
489 if (unlikely((ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT) == 0)) { \
490 vbo_exec_begin_vertices(ctx); \
493 if (unlikely(!exec->vtx.buffer_ptr)) { \
494 vbo_exec_vtx_map(exec); \
496 assert(exec->vtx.buffer_ptr); \
498 /* copy 32-bit words */ \
499 for (i = 0; i < exec->vtx.vertex_size; i++) \
500 exec->vtx.buffer_ptr[i] = exec->vtx.vertex[i]; \
502 exec->vtx.buffer_ptr += exec->vtx.vertex_size; \
504 /* Set FLUSH_STORED_VERTICES to indicate that there's now */ \
505 /* something to draw (not just updating a color or texcoord).*/ \
506 ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES; \
508 if (++exec->vtx.vert_count >= exec->vtx.max_vert) \
509 vbo_exec_vtx_wrap( exec ); \
511 /* we now have accumulated per-vertex attributes */ \
512 ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT; \
518 #define ERROR(err) _mesa_error( ctx, err, __func__ )
519 #define TAG(x) vbo_##x
521 #include "vbo_attrib_tmp.h"
526 * Execute a glMaterial call. Note that if GL_COLOR_MATERIAL is enabled,
527 * this may be a (partial) no-op.
529 static void GLAPIENTRY
530 vbo_Materialfv(GLenum face
, GLenum pname
, const GLfloat
*params
)
532 GLbitfield updateMats
;
533 GET_CURRENT_CONTEXT(ctx
);
535 /* This function should be a no-op when it tries to update material
536 * attributes which are currently tracking glColor via glColorMaterial.
537 * The updateMats var will be a mask of the MAT_BIT_FRONT/BACK_x bits
538 * indicating which material attributes can actually be updated below.
540 if (ctx
->Light
.ColorMaterialEnabled
) {
541 updateMats
= ~ctx
->Light
._ColorMaterialBitmask
;
544 /* GL_COLOR_MATERIAL is disabled so don't skip any material updates */
545 updateMats
= ALL_MATERIAL_BITS
;
548 if (ctx
->API
== API_OPENGL_COMPAT
&& face
== GL_FRONT
) {
549 updateMats
&= FRONT_MATERIAL_BITS
;
551 else if (ctx
->API
== API_OPENGL_COMPAT
&& face
== GL_BACK
) {
552 updateMats
&= BACK_MATERIAL_BITS
;
554 else if (face
!= GL_FRONT_AND_BACK
) {
555 _mesa_error(ctx
, GL_INVALID_ENUM
, "glMaterial(invalid face)");
561 if (updateMats
& MAT_BIT_FRONT_EMISSION
)
562 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_EMISSION
, 4, params
);
563 if (updateMats
& MAT_BIT_BACK_EMISSION
)
564 MAT_ATTR(VBO_ATTRIB_MAT_BACK_EMISSION
, 4, params
);
567 if (updateMats
& MAT_BIT_FRONT_AMBIENT
)
568 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_AMBIENT
, 4, params
);
569 if (updateMats
& MAT_BIT_BACK_AMBIENT
)
570 MAT_ATTR(VBO_ATTRIB_MAT_BACK_AMBIENT
, 4, params
);
573 if (updateMats
& MAT_BIT_FRONT_DIFFUSE
)
574 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_DIFFUSE
, 4, params
);
575 if (updateMats
& MAT_BIT_BACK_DIFFUSE
)
576 MAT_ATTR(VBO_ATTRIB_MAT_BACK_DIFFUSE
, 4, params
);
579 if (updateMats
& MAT_BIT_FRONT_SPECULAR
)
580 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_SPECULAR
, 4, params
);
581 if (updateMats
& MAT_BIT_BACK_SPECULAR
)
582 MAT_ATTR(VBO_ATTRIB_MAT_BACK_SPECULAR
, 4, params
);
585 if (*params
< 0 || *params
> ctx
->Const
.MaxShininess
) {
586 _mesa_error(ctx
, GL_INVALID_VALUE
,
587 "glMaterial(invalid shininess: %f out range [0, %f])",
588 *params
, ctx
->Const
.MaxShininess
);
591 if (updateMats
& MAT_BIT_FRONT_SHININESS
)
592 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_SHININESS
, 1, params
);
593 if (updateMats
& MAT_BIT_BACK_SHININESS
)
594 MAT_ATTR(VBO_ATTRIB_MAT_BACK_SHININESS
, 1, params
);
596 case GL_COLOR_INDEXES
:
597 if (ctx
->API
!= API_OPENGL_COMPAT
) {
598 _mesa_error(ctx
, GL_INVALID_ENUM
, "glMaterialfv(pname)");
601 if (updateMats
& MAT_BIT_FRONT_INDEXES
)
602 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_INDEXES
, 3, params
);
603 if (updateMats
& MAT_BIT_BACK_INDEXES
)
604 MAT_ATTR(VBO_ATTRIB_MAT_BACK_INDEXES
, 3, params
);
606 case GL_AMBIENT_AND_DIFFUSE
:
607 if (updateMats
& MAT_BIT_FRONT_AMBIENT
)
608 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_AMBIENT
, 4, params
);
609 if (updateMats
& MAT_BIT_FRONT_DIFFUSE
)
610 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_DIFFUSE
, 4, params
);
611 if (updateMats
& MAT_BIT_BACK_AMBIENT
)
612 MAT_ATTR(VBO_ATTRIB_MAT_BACK_AMBIENT
, 4, params
);
613 if (updateMats
& MAT_BIT_BACK_DIFFUSE
)
614 MAT_ATTR(VBO_ATTRIB_MAT_BACK_DIFFUSE
, 4, params
);
617 _mesa_error(ctx
, GL_INVALID_ENUM
, "glMaterialfv(pname)");
624 * Flush (draw) vertices.
625 * \param unmap - leave VBO unmapped after flushing?
628 vbo_exec_FlushVertices_internal(struct vbo_exec_context
*exec
, GLboolean unmap
)
630 if (exec
->vtx
.vert_count
|| unmap
) {
631 vbo_exec_vtx_flush( exec
, unmap
);
634 if (exec
->vtx
.vertex_size
) {
635 vbo_exec_copy_to_current( exec
);
636 vbo_reset_all_attr(exec
);
641 static void GLAPIENTRY
642 vbo_exec_EvalCoord1f(GLfloat u
)
644 GET_CURRENT_CONTEXT( ctx
);
645 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
649 if (exec
->eval
.recalculate_maps
)
650 vbo_exec_eval_update( exec
);
652 for (i
= 0; i
<= VBO_ATTRIB_TEX7
; i
++) {
653 if (exec
->eval
.map1
[i
].map
)
654 if (exec
->vtx
.active_sz
[i
] != exec
->eval
.map1
[i
].sz
)
655 vbo_exec_fixup_vertex( ctx
, i
, exec
->eval
.map1
[i
].sz
, GL_FLOAT
);
660 memcpy( exec
->vtx
.copied
.buffer
, exec
->vtx
.vertex
,
661 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
663 vbo_exec_do_EvalCoord1f( exec
, u
);
665 memcpy( exec
->vtx
.vertex
, exec
->vtx
.copied
.buffer
,
666 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
670 static void GLAPIENTRY
671 vbo_exec_EvalCoord2f(GLfloat u
, GLfloat v
)
673 GET_CURRENT_CONTEXT( ctx
);
674 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
678 if (exec
->eval
.recalculate_maps
)
679 vbo_exec_eval_update( exec
);
681 for (i
= 0; i
<= VBO_ATTRIB_TEX7
; i
++) {
682 if (exec
->eval
.map2
[i
].map
)
683 if (exec
->vtx
.active_sz
[i
] != exec
->eval
.map2
[i
].sz
)
684 vbo_exec_fixup_vertex( ctx
, i
, exec
->eval
.map2
[i
].sz
, GL_FLOAT
);
687 if (ctx
->Eval
.AutoNormal
)
688 if (exec
->vtx
.active_sz
[VBO_ATTRIB_NORMAL
] != 3)
689 vbo_exec_fixup_vertex( ctx
, VBO_ATTRIB_NORMAL
, 3, GL_FLOAT
);
692 memcpy( exec
->vtx
.copied
.buffer
, exec
->vtx
.vertex
,
693 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
695 vbo_exec_do_EvalCoord2f( exec
, u
, v
);
697 memcpy( exec
->vtx
.vertex
, exec
->vtx
.copied
.buffer
,
698 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
702 static void GLAPIENTRY
703 vbo_exec_EvalCoord1fv(const GLfloat
*u
)
705 vbo_exec_EvalCoord1f( u
[0] );
709 static void GLAPIENTRY
710 vbo_exec_EvalCoord2fv(const GLfloat
*u
)
712 vbo_exec_EvalCoord2f( u
[0], u
[1] );
716 static void GLAPIENTRY
717 vbo_exec_EvalPoint1(GLint i
)
719 GET_CURRENT_CONTEXT( ctx
);
720 GLfloat du
= ((ctx
->Eval
.MapGrid1u2
- ctx
->Eval
.MapGrid1u1
) /
721 (GLfloat
) ctx
->Eval
.MapGrid1un
);
722 GLfloat u
= i
* du
+ ctx
->Eval
.MapGrid1u1
;
724 vbo_exec_EvalCoord1f( u
);
728 static void GLAPIENTRY
729 vbo_exec_EvalPoint2(GLint i
, GLint j
)
731 GET_CURRENT_CONTEXT( ctx
);
732 GLfloat du
= ((ctx
->Eval
.MapGrid2u2
- ctx
->Eval
.MapGrid2u1
) /
733 (GLfloat
) ctx
->Eval
.MapGrid2un
);
734 GLfloat dv
= ((ctx
->Eval
.MapGrid2v2
- ctx
->Eval
.MapGrid2v1
) /
735 (GLfloat
) ctx
->Eval
.MapGrid2vn
);
736 GLfloat u
= i
* du
+ ctx
->Eval
.MapGrid2u1
;
737 GLfloat v
= j
* dv
+ ctx
->Eval
.MapGrid2v1
;
739 vbo_exec_EvalCoord2f( u
, v
);
744 * Called via glBegin.
746 static void GLAPIENTRY
747 vbo_exec_Begin(GLenum mode
)
749 GET_CURRENT_CONTEXT( ctx
);
750 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
753 if (_mesa_inside_begin_end(ctx
)) {
754 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBegin");
758 if (!_mesa_valid_prim_mode(ctx
, mode
, "glBegin")) {
762 vbo_draw_method(vbo_context(ctx
), DRAW_BEGIN_END
);
765 _mesa_update_state( ctx
);
767 CALL_Begin(ctx
->Exec
, (mode
));
771 if (!_mesa_valid_to_render(ctx
, "glBegin")) {
775 /* Heuristic: attempt to isolate attributes occurring outside
778 if (exec
->vtx
.vertex_size
&& !exec
->vtx
.attrsz
[0])
779 vbo_exec_FlushVertices_internal(exec
, GL_FALSE
);
781 i
= exec
->vtx
.prim_count
++;
782 exec
->vtx
.prim
[i
].mode
= mode
;
783 exec
->vtx
.prim
[i
].begin
= 1;
784 exec
->vtx
.prim
[i
].end
= 0;
785 exec
->vtx
.prim
[i
].indexed
= 0;
786 exec
->vtx
.prim
[i
].weak
= 0;
787 exec
->vtx
.prim
[i
].pad
= 0;
788 exec
->vtx
.prim
[i
].start
= exec
->vtx
.vert_count
;
789 exec
->vtx
.prim
[i
].count
= 0;
790 exec
->vtx
.prim
[i
].num_instances
= 1;
791 exec
->vtx
.prim
[i
].base_instance
= 0;
792 exec
->vtx
.prim
[i
].is_indirect
= 0;
794 ctx
->Driver
.CurrentExecPrimitive
= mode
;
796 ctx
->Exec
= ctx
->BeginEnd
;
797 /* We may have been called from a display list, in which case we should
798 * leave dlist.c's dispatch table in place.
800 if (ctx
->CurrentClientDispatch
== ctx
->OutsideBeginEnd
) {
801 ctx
->CurrentClientDispatch
= ctx
->BeginEnd
;
802 _glapi_set_dispatch(ctx
->CurrentClientDispatch
);
804 assert(ctx
->CurrentClientDispatch
== ctx
->Save
);
810 * Try to merge / concatenate the two most recent VBO primitives.
813 try_vbo_merge(struct vbo_exec_context
*exec
)
815 struct _mesa_prim
*cur
= &exec
->vtx
.prim
[exec
->vtx
.prim_count
- 1];
817 assert(exec
->vtx
.prim_count
>= 1);
819 vbo_try_prim_conversion(cur
);
821 if (exec
->vtx
.prim_count
>= 2) {
822 struct _mesa_prim
*prev
= &exec
->vtx
.prim
[exec
->vtx
.prim_count
- 2];
823 assert(prev
== cur
- 1);
825 if (vbo_can_merge_prims(prev
, cur
)) {
830 vbo_merge_prims(prev
, cur
);
831 exec
->vtx
.prim_count
--; /* drop the last primitive */
840 static void GLAPIENTRY
843 GET_CURRENT_CONTEXT( ctx
);
844 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
846 if (!_mesa_inside_begin_end(ctx
)) {
847 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEnd");
851 ctx
->Exec
= ctx
->OutsideBeginEnd
;
852 if (ctx
->CurrentClientDispatch
== ctx
->BeginEnd
) {
853 ctx
->CurrentClientDispatch
= ctx
->OutsideBeginEnd
;
854 _glapi_set_dispatch(ctx
->CurrentClientDispatch
);
857 if (exec
->vtx
.prim_count
> 0) {
858 /* close off current primitive */
859 struct _mesa_prim
*last_prim
= &exec
->vtx
.prim
[exec
->vtx
.prim_count
- 1];
862 last_prim
->count
= exec
->vtx
.vert_count
- last_prim
->start
;
864 /* Special handling for GL_LINE_LOOP */
865 if (last_prim
->mode
== GL_LINE_LOOP
&& last_prim
->begin
== 0) {
866 /* We're finishing drawing a line loop. Append 0th vertex onto
867 * end of vertex buffer so we can draw it as a line strip.
869 const fi_type
*src
= exec
->vtx
.buffer_map
+
870 last_prim
->start
* exec
->vtx
.vertex_size
;
871 fi_type
*dst
= exec
->vtx
.buffer_map
+
872 exec
->vtx
.vert_count
* exec
->vtx
.vertex_size
;
874 /* copy 0th vertex to end of buffer */
875 memcpy(dst
, src
, exec
->vtx
.vertex_size
* sizeof(fi_type
));
877 last_prim
->start
++; /* skip vertex0 */
878 /* note that last_prim->count stays unchanged */
879 last_prim
->mode
= GL_LINE_STRIP
;
881 /* Increment the vertex count so the next primitive doesn't
882 * overwrite the last vertex which we just added.
884 exec
->vtx
.vert_count
++;
885 exec
->vtx
.buffer_ptr
+= exec
->vtx
.vertex_size
;
891 ctx
->Driver
.CurrentExecPrimitive
= PRIM_OUTSIDE_BEGIN_END
;
893 if (exec
->vtx
.prim_count
== VBO_MAX_PRIM
)
894 vbo_exec_vtx_flush( exec
, GL_FALSE
);
896 if (MESA_DEBUG_FLAGS
& DEBUG_ALWAYS_FLUSH
) {
903 * Called via glPrimitiveRestartNV()
905 static void GLAPIENTRY
906 vbo_exec_PrimitiveRestartNV(void)
909 GET_CURRENT_CONTEXT(ctx
);
911 curPrim
= ctx
->Driver
.CurrentExecPrimitive
;
913 if (curPrim
== PRIM_OUTSIDE_BEGIN_END
) {
914 _mesa_error( ctx
, GL_INVALID_OPERATION
, "glPrimitiveRestartNV" );
918 vbo_exec_Begin(curPrim
);
924 vbo_exec_vtxfmt_init(struct vbo_exec_context
*exec
)
926 struct gl_context
*ctx
= exec
->ctx
;
927 GLvertexformat
*vfmt
= &exec
->vtxfmt
;
929 vfmt
->ArrayElement
= _ae_ArrayElement
;
931 vfmt
->Begin
= vbo_exec_Begin
;
932 vfmt
->End
= vbo_exec_End
;
933 vfmt
->PrimitiveRestartNV
= vbo_exec_PrimitiveRestartNV
;
935 vfmt
->CallList
= _mesa_CallList
;
936 vfmt
->CallLists
= _mesa_CallLists
;
938 vfmt
->EvalCoord1f
= vbo_exec_EvalCoord1f
;
939 vfmt
->EvalCoord1fv
= vbo_exec_EvalCoord1fv
;
940 vfmt
->EvalCoord2f
= vbo_exec_EvalCoord2f
;
941 vfmt
->EvalCoord2fv
= vbo_exec_EvalCoord2fv
;
942 vfmt
->EvalPoint1
= vbo_exec_EvalPoint1
;
943 vfmt
->EvalPoint2
= vbo_exec_EvalPoint2
;
945 /* from attrib_tmp.h:
947 vfmt
->Color3f
= vbo_Color3f
;
948 vfmt
->Color3fv
= vbo_Color3fv
;
949 vfmt
->Color4f
= vbo_Color4f
;
950 vfmt
->Color4fv
= vbo_Color4fv
;
951 vfmt
->FogCoordfEXT
= vbo_FogCoordfEXT
;
952 vfmt
->FogCoordfvEXT
= vbo_FogCoordfvEXT
;
953 vfmt
->MultiTexCoord1fARB
= vbo_MultiTexCoord1f
;
954 vfmt
->MultiTexCoord1fvARB
= vbo_MultiTexCoord1fv
;
955 vfmt
->MultiTexCoord2fARB
= vbo_MultiTexCoord2f
;
956 vfmt
->MultiTexCoord2fvARB
= vbo_MultiTexCoord2fv
;
957 vfmt
->MultiTexCoord3fARB
= vbo_MultiTexCoord3f
;
958 vfmt
->MultiTexCoord3fvARB
= vbo_MultiTexCoord3fv
;
959 vfmt
->MultiTexCoord4fARB
= vbo_MultiTexCoord4f
;
960 vfmt
->MultiTexCoord4fvARB
= vbo_MultiTexCoord4fv
;
961 vfmt
->Normal3f
= vbo_Normal3f
;
962 vfmt
->Normal3fv
= vbo_Normal3fv
;
963 vfmt
->SecondaryColor3fEXT
= vbo_SecondaryColor3fEXT
;
964 vfmt
->SecondaryColor3fvEXT
= vbo_SecondaryColor3fvEXT
;
965 vfmt
->TexCoord1f
= vbo_TexCoord1f
;
966 vfmt
->TexCoord1fv
= vbo_TexCoord1fv
;
967 vfmt
->TexCoord2f
= vbo_TexCoord2f
;
968 vfmt
->TexCoord2fv
= vbo_TexCoord2fv
;
969 vfmt
->TexCoord3f
= vbo_TexCoord3f
;
970 vfmt
->TexCoord3fv
= vbo_TexCoord3fv
;
971 vfmt
->TexCoord4f
= vbo_TexCoord4f
;
972 vfmt
->TexCoord4fv
= vbo_TexCoord4fv
;
973 vfmt
->Vertex2f
= vbo_Vertex2f
;
974 vfmt
->Vertex2fv
= vbo_Vertex2fv
;
975 vfmt
->Vertex3f
= vbo_Vertex3f
;
976 vfmt
->Vertex3fv
= vbo_Vertex3fv
;
977 vfmt
->Vertex4f
= vbo_Vertex4f
;
978 vfmt
->Vertex4fv
= vbo_Vertex4fv
;
980 if (ctx
->API
== API_OPENGLES2
) {
981 vfmt
->VertexAttrib1fARB
= _es_VertexAttrib1f
;
982 vfmt
->VertexAttrib1fvARB
= _es_VertexAttrib1fv
;
983 vfmt
->VertexAttrib2fARB
= _es_VertexAttrib2f
;
984 vfmt
->VertexAttrib2fvARB
= _es_VertexAttrib2fv
;
985 vfmt
->VertexAttrib3fARB
= _es_VertexAttrib3f
;
986 vfmt
->VertexAttrib3fvARB
= _es_VertexAttrib3fv
;
987 vfmt
->VertexAttrib4fARB
= _es_VertexAttrib4f
;
988 vfmt
->VertexAttrib4fvARB
= _es_VertexAttrib4fv
;
990 vfmt
->VertexAttrib1fARB
= vbo_VertexAttrib1fARB
;
991 vfmt
->VertexAttrib1fvARB
= vbo_VertexAttrib1fvARB
;
992 vfmt
->VertexAttrib2fARB
= vbo_VertexAttrib2fARB
;
993 vfmt
->VertexAttrib2fvARB
= vbo_VertexAttrib2fvARB
;
994 vfmt
->VertexAttrib3fARB
= vbo_VertexAttrib3fARB
;
995 vfmt
->VertexAttrib3fvARB
= vbo_VertexAttrib3fvARB
;
996 vfmt
->VertexAttrib4fARB
= vbo_VertexAttrib4fARB
;
997 vfmt
->VertexAttrib4fvARB
= vbo_VertexAttrib4fvARB
;
1000 /* Note that VertexAttrib4fNV is used from dlist.c and api_arrayelt.c so
1001 * they can have a single entrypoint for updating any of the legacy
1004 vfmt
->VertexAttrib1fNV
= vbo_VertexAttrib1fNV
;
1005 vfmt
->VertexAttrib1fvNV
= vbo_VertexAttrib1fvNV
;
1006 vfmt
->VertexAttrib2fNV
= vbo_VertexAttrib2fNV
;
1007 vfmt
->VertexAttrib2fvNV
= vbo_VertexAttrib2fvNV
;
1008 vfmt
->VertexAttrib3fNV
= vbo_VertexAttrib3fNV
;
1009 vfmt
->VertexAttrib3fvNV
= vbo_VertexAttrib3fvNV
;
1010 vfmt
->VertexAttrib4fNV
= vbo_VertexAttrib4fNV
;
1011 vfmt
->VertexAttrib4fvNV
= vbo_VertexAttrib4fvNV
;
1013 /* integer-valued */
1014 vfmt
->VertexAttribI1i
= vbo_VertexAttribI1i
;
1015 vfmt
->VertexAttribI2i
= vbo_VertexAttribI2i
;
1016 vfmt
->VertexAttribI3i
= vbo_VertexAttribI3i
;
1017 vfmt
->VertexAttribI4i
= vbo_VertexAttribI4i
;
1018 vfmt
->VertexAttribI2iv
= vbo_VertexAttribI2iv
;
1019 vfmt
->VertexAttribI3iv
= vbo_VertexAttribI3iv
;
1020 vfmt
->VertexAttribI4iv
= vbo_VertexAttribI4iv
;
1022 /* unsigned integer-valued */
1023 vfmt
->VertexAttribI1ui
= vbo_VertexAttribI1ui
;
1024 vfmt
->VertexAttribI2ui
= vbo_VertexAttribI2ui
;
1025 vfmt
->VertexAttribI3ui
= vbo_VertexAttribI3ui
;
1026 vfmt
->VertexAttribI4ui
= vbo_VertexAttribI4ui
;
1027 vfmt
->VertexAttribI2uiv
= vbo_VertexAttribI2uiv
;
1028 vfmt
->VertexAttribI3uiv
= vbo_VertexAttribI3uiv
;
1029 vfmt
->VertexAttribI4uiv
= vbo_VertexAttribI4uiv
;
1031 vfmt
->Materialfv
= vbo_Materialfv
;
1033 vfmt
->EdgeFlag
= vbo_EdgeFlag
;
1034 vfmt
->Indexf
= vbo_Indexf
;
1035 vfmt
->Indexfv
= vbo_Indexfv
;
1037 /* ARB_vertex_type_2_10_10_10_rev */
1038 vfmt
->VertexP2ui
= vbo_VertexP2ui
;
1039 vfmt
->VertexP2uiv
= vbo_VertexP2uiv
;
1040 vfmt
->VertexP3ui
= vbo_VertexP3ui
;
1041 vfmt
->VertexP3uiv
= vbo_VertexP3uiv
;
1042 vfmt
->VertexP4ui
= vbo_VertexP4ui
;
1043 vfmt
->VertexP4uiv
= vbo_VertexP4uiv
;
1045 vfmt
->TexCoordP1ui
= vbo_TexCoordP1ui
;
1046 vfmt
->TexCoordP1uiv
= vbo_TexCoordP1uiv
;
1047 vfmt
->TexCoordP2ui
= vbo_TexCoordP2ui
;
1048 vfmt
->TexCoordP2uiv
= vbo_TexCoordP2uiv
;
1049 vfmt
->TexCoordP3ui
= vbo_TexCoordP3ui
;
1050 vfmt
->TexCoordP3uiv
= vbo_TexCoordP3uiv
;
1051 vfmt
->TexCoordP4ui
= vbo_TexCoordP4ui
;
1052 vfmt
->TexCoordP4uiv
= vbo_TexCoordP4uiv
;
1054 vfmt
->MultiTexCoordP1ui
= vbo_MultiTexCoordP1ui
;
1055 vfmt
->MultiTexCoordP1uiv
= vbo_MultiTexCoordP1uiv
;
1056 vfmt
->MultiTexCoordP2ui
= vbo_MultiTexCoordP2ui
;
1057 vfmt
->MultiTexCoordP2uiv
= vbo_MultiTexCoordP2uiv
;
1058 vfmt
->MultiTexCoordP3ui
= vbo_MultiTexCoordP3ui
;
1059 vfmt
->MultiTexCoordP3uiv
= vbo_MultiTexCoordP3uiv
;
1060 vfmt
->MultiTexCoordP4ui
= vbo_MultiTexCoordP4ui
;
1061 vfmt
->MultiTexCoordP4uiv
= vbo_MultiTexCoordP4uiv
;
1063 vfmt
->NormalP3ui
= vbo_NormalP3ui
;
1064 vfmt
->NormalP3uiv
= vbo_NormalP3uiv
;
1066 vfmt
->ColorP3ui
= vbo_ColorP3ui
;
1067 vfmt
->ColorP3uiv
= vbo_ColorP3uiv
;
1068 vfmt
->ColorP4ui
= vbo_ColorP4ui
;
1069 vfmt
->ColorP4uiv
= vbo_ColorP4uiv
;
1071 vfmt
->SecondaryColorP3ui
= vbo_SecondaryColorP3ui
;
1072 vfmt
->SecondaryColorP3uiv
= vbo_SecondaryColorP3uiv
;
1074 vfmt
->VertexAttribP1ui
= vbo_VertexAttribP1ui
;
1075 vfmt
->VertexAttribP1uiv
= vbo_VertexAttribP1uiv
;
1076 vfmt
->VertexAttribP2ui
= vbo_VertexAttribP2ui
;
1077 vfmt
->VertexAttribP2uiv
= vbo_VertexAttribP2uiv
;
1078 vfmt
->VertexAttribP3ui
= vbo_VertexAttribP3ui
;
1079 vfmt
->VertexAttribP3uiv
= vbo_VertexAttribP3uiv
;
1080 vfmt
->VertexAttribP4ui
= vbo_VertexAttribP4ui
;
1081 vfmt
->VertexAttribP4uiv
= vbo_VertexAttribP4uiv
;
1083 vfmt
->VertexAttribL1d
= vbo_VertexAttribL1d
;
1084 vfmt
->VertexAttribL2d
= vbo_VertexAttribL2d
;
1085 vfmt
->VertexAttribL3d
= vbo_VertexAttribL3d
;
1086 vfmt
->VertexAttribL4d
= vbo_VertexAttribL4d
;
1088 vfmt
->VertexAttribL1dv
= vbo_VertexAttribL1dv
;
1089 vfmt
->VertexAttribL2dv
= vbo_VertexAttribL2dv
;
1090 vfmt
->VertexAttribL3dv
= vbo_VertexAttribL3dv
;
1091 vfmt
->VertexAttribL4dv
= vbo_VertexAttribL4dv
;
1093 vfmt
->VertexAttribL1ui64ARB
= vbo_VertexAttribL1ui64ARB
;
1094 vfmt
->VertexAttribL1ui64vARB
= vbo_VertexAttribL1ui64vARB
;
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.
1105 vbo_use_buffer_objects(struct gl_context
*ctx
)
1107 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1108 /* Any buffer name but 0 can be used here since this bufferobj won't
1109 * go into the bufferobj hashtable.
1111 GLuint bufName
= IMM_BUFFER_NAME
;
1112 GLenum target
= GL_ARRAY_BUFFER_ARB
;
1113 GLenum usage
= GL_STREAM_DRAW_ARB
;
1114 GLsizei size
= VBO_VERT_BUFFER_SIZE
;
1116 /* Make sure this func is only used once */
1117 assert(exec
->vtx
.bufferobj
== ctx
->Shared
->NullBufferObj
);
1119 _mesa_align_free(exec
->vtx
.buffer_map
);
1120 exec
->vtx
.buffer_map
= NULL
;
1121 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
);
1126 if (!ctx
->Driver
.BufferData(ctx
, target
, size
, NULL
, usage
,
1128 GL_DYNAMIC_STORAGE_BIT
|
1129 GL_CLIENT_STORAGE_BIT
,
1130 exec
->vtx
.bufferobj
)) {
1131 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "VBO allocation");
1137 * If this function is called, all VBO buffers will be unmapped when
1139 * Otherwise, if a simple command like glColor3f() is called and we flush,
1140 * the current VBO may be left mapped.
1143 vbo_always_unmap_buffers(struct gl_context
*ctx
)
1145 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1146 exec
->begin_vertices_flags
|= FLUSH_STORED_VERTICES
;
1151 vbo_exec_vtx_init(struct vbo_exec_context
*exec
)
1153 struct gl_context
*ctx
= exec
->ctx
;
1154 struct vbo_context
*vbo
= vbo_context(ctx
);
1157 /* Allocate a buffer object. Will just reuse this object
1158 * continuously, unless vbo_use_buffer_objects() is called to enable
1161 _mesa_reference_buffer_object(ctx
,
1162 &exec
->vtx
.bufferobj
,
1163 ctx
->Shared
->NullBufferObj
);
1165 assert(!exec
->vtx
.buffer_map
);
1166 exec
->vtx
.buffer_map
= _mesa_align_malloc(VBO_VERT_BUFFER_SIZE
, 64);
1167 exec
->vtx
.buffer_ptr
= exec
->vtx
.buffer_map
;
1169 vbo_exec_vtxfmt_init( exec
);
1170 _mesa_noop_vtxfmt_init(&exec
->vtxfmt_noop
);
1172 exec
->vtx
.enabled
= 0;
1173 for (i
= 0 ; i
< VBO_ATTRIB_MAX
; i
++) {
1174 assert(i
< ARRAY_SIZE(exec
->vtx
.attrsz
));
1175 exec
->vtx
.attrsz
[i
] = 0;
1176 assert(i
< ARRAY_SIZE(exec
->vtx
.attrtype
));
1177 exec
->vtx
.attrtype
[i
] = GL_FLOAT
;
1178 assert(i
< ARRAY_SIZE(exec
->vtx
.active_sz
));
1179 exec
->vtx
.active_sz
[i
] = 0;
1181 for (i
= 0 ; i
< VERT_ATTRIB_MAX
; i
++) {
1182 assert(i
< ARRAY_SIZE(exec
->vtx
.inputs
));
1183 assert(i
< ARRAY_SIZE(exec
->vtx
.arrays
));
1184 exec
->vtx
.inputs
[i
] = &exec
->vtx
.arrays
[i
];
1188 struct gl_vertex_array
*arrays
= exec
->vtx
.arrays
;
1191 memcpy(arrays
, &vbo
->currval
[VBO_ATTRIB_POS
],
1192 VERT_ATTRIB_FF_MAX
* sizeof(arrays
[0]));
1193 for (i
= 0; i
< VERT_ATTRIB_FF_MAX
; ++i
) {
1194 struct gl_vertex_array
*array
;
1195 array
= &arrays
[VERT_ATTRIB_FF(i
)];
1196 array
->BufferObj
= NULL
;
1197 _mesa_reference_buffer_object(ctx
, &array
->BufferObj
,
1198 vbo
->currval
[VBO_ATTRIB_POS
+i
].BufferObj
);
1201 memcpy(arrays
+ VERT_ATTRIB_GENERIC(0),
1202 &vbo
->currval
[VBO_ATTRIB_GENERIC0
],
1203 VERT_ATTRIB_GENERIC_MAX
* sizeof(arrays
[0]));
1205 for (i
= 0; i
< VERT_ATTRIB_GENERIC_MAX
; ++i
) {
1206 struct gl_vertex_array
*array
;
1207 array
= &arrays
[VERT_ATTRIB_GENERIC(i
)];
1208 array
->BufferObj
= NULL
;
1209 _mesa_reference_buffer_object(ctx
, &array
->BufferObj
,
1210 vbo
->currval
[VBO_ATTRIB_GENERIC0
+i
].BufferObj
);
1214 exec
->vtx
.vertex_size
= 0;
1216 exec
->begin_vertices_flags
= FLUSH_UPDATE_CURRENT
;
1221 vbo_exec_vtx_destroy(struct vbo_exec_context
*exec
)
1223 /* using a real VBO for vertex data */
1224 struct gl_context
*ctx
= exec
->ctx
;
1227 /* True VBOs should already be unmapped
1229 if (exec
->vtx
.buffer_map
) {
1230 assert(exec
->vtx
.bufferobj
->Name
== 0 ||
1231 exec
->vtx
.bufferobj
->Name
== IMM_BUFFER_NAME
);
1232 if (exec
->vtx
.bufferobj
->Name
== 0) {
1233 _mesa_align_free(exec
->vtx
.buffer_map
);
1234 exec
->vtx
.buffer_map
= NULL
;
1235 exec
->vtx
.buffer_ptr
= NULL
;
1239 /* Drop any outstanding reference to the vertex buffer
1241 for (i
= 0; i
< ARRAY_SIZE(exec
->vtx
.arrays
); i
++) {
1242 _mesa_reference_buffer_object(ctx
,
1243 &exec
->vtx
.arrays
[i
].BufferObj
,
1247 /* Free the vertex buffer. Unmap first if needed.
1249 if (_mesa_bufferobj_mapped(exec
->vtx
.bufferobj
, MAP_INTERNAL
)) {
1250 ctx
->Driver
.UnmapBuffer(ctx
, exec
->vtx
.bufferobj
, MAP_INTERNAL
);
1252 _mesa_reference_buffer_object(ctx
, &exec
->vtx
.bufferobj
, NULL
);
1257 * If inside glBegin()/glEnd(), it should assert(0). Otherwise, if
1258 * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered
1259 * vertices, if FLUSH_UPDATE_CURRENT bit is set updates
1260 * __struct gl_contextRec::Current and gl_light_attrib::Material
1262 * Note that the default T&L engine never clears the
1263 * FLUSH_UPDATE_CURRENT bit, even after performing the update.
1265 * \param flags bitmask of FLUSH_STORED_VERTICES, FLUSH_UPDATE_CURRENT
1268 vbo_exec_FlushVertices(struct gl_context
*ctx
, GLuint flags
)
1270 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1273 /* debug check: make sure we don't get called recursively */
1274 exec
->flush_call_depth
++;
1275 assert(exec
->flush_call_depth
== 1);
1278 if (_mesa_inside_begin_end(ctx
)) {
1279 /* We've had glBegin but not glEnd! */
1281 exec
->flush_call_depth
--;
1282 assert(exec
->flush_call_depth
== 0);
1287 /* Flush (draw), and make sure VBO is left unmapped when done */
1288 vbo_exec_FlushVertices_internal(exec
, GL_TRUE
);
1290 /* Need to do this to ensure vbo_exec_begin_vertices gets called again:
1292 ctx
->Driver
.NeedFlush
&= ~(FLUSH_UPDATE_CURRENT
| flags
);
1295 exec
->flush_call_depth
--;
1296 assert(exec
->flush_call_depth
== 0);
1302 * Reset the vertex attribute by setting its size to zero.
1305 vbo_reset_attr(struct vbo_exec_context
*exec
, GLuint attr
)
1307 exec
->vtx
.attrsz
[attr
] = 0;
1308 exec
->vtx
.attrtype
[attr
] = GL_FLOAT
;
1309 exec
->vtx
.active_sz
[attr
] = 0;
1314 vbo_reset_all_attr(struct vbo_exec_context
*exec
)
1316 while (exec
->vtx
.enabled
) {
1317 const int i
= u_bit_scan64(&exec
->vtx
.enabled
);
1318 vbo_reset_attr(exec
, i
);
1321 exec
->vtx
.vertex_size
= 0;
1326 _es_Color4f(GLfloat r
, GLfloat g
, GLfloat b
, GLfloat a
)
1328 vbo_Color4f(r
, g
, b
, a
);
1333 _es_Normal3f(GLfloat x
, GLfloat y
, GLfloat z
)
1335 vbo_Normal3f(x
, y
, z
);
1340 _es_MultiTexCoord4f(GLenum target
, GLfloat s
, GLfloat t
, GLfloat r
, GLfloat q
)
1342 vbo_MultiTexCoord4f(target
, s
, t
, r
, q
);
1347 _es_Materialfv(GLenum face
, GLenum pname
, const GLfloat
*params
)
1349 vbo_Materialfv(face
, pname
, params
);
1354 _es_Materialf(GLenum face
, GLenum pname
, GLfloat param
)
1358 p
[1] = p
[2] = p
[3] = 0.0F
;
1359 vbo_Materialfv(face
, pname
, p
);
1364 * A special version of glVertexAttrib4f that does not treat index 0 as
1368 VertexAttrib4f_nopos(GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
)
1370 GET_CURRENT_CONTEXT(ctx
);
1371 if (index
< MAX_VERTEX_GENERIC_ATTRIBS
)
1372 ATTRF(VBO_ATTRIB_GENERIC0
+ index
, 4, x
, y
, z
, w
);
1374 ERROR(GL_INVALID_VALUE
);
1378 _es_VertexAttrib4f(GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
)
1380 VertexAttrib4f_nopos(index
, x
, y
, z
, w
);
1385 _es_VertexAttrib1f(GLuint indx
, GLfloat x
)
1387 VertexAttrib4f_nopos(indx
, x
, 0.0f
, 0.0f
, 1.0f
);
1392 _es_VertexAttrib1fv(GLuint indx
, const GLfloat
* values
)
1394 VertexAttrib4f_nopos(indx
, values
[0], 0.0f
, 0.0f
, 1.0f
);
1399 _es_VertexAttrib2f(GLuint indx
, GLfloat x
, GLfloat y
)
1401 VertexAttrib4f_nopos(indx
, x
, y
, 0.0f
, 1.0f
);
1406 _es_VertexAttrib2fv(GLuint indx
, const GLfloat
* values
)
1408 VertexAttrib4f_nopos(indx
, values
[0], values
[1], 0.0f
, 1.0f
);
1413 _es_VertexAttrib3f(GLuint indx
, GLfloat x
, GLfloat y
, GLfloat z
)
1415 VertexAttrib4f_nopos(indx
, x
, y
, z
, 1.0f
);
1420 _es_VertexAttrib3fv(GLuint indx
, const GLfloat
* values
)
1422 VertexAttrib4f_nopos(indx
, values
[0], values
[1], values
[2], 1.0f
);
1427 _es_VertexAttrib4fv(GLuint indx
, const GLfloat
* values
)
1429 VertexAttrib4f_nopos(indx
, values
[0], values
[1], values
[2], values
[3]);