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/draw_validate.h"
44 #include "main/dispatch.h"
45 #include "util/bitscan.h"
48 #include "vbo_private.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
->current
[i
].Ptr
;
178 fi_type tmp
[8]; /* space for doubles */
181 if (exec
->vtx
.attrtype
[i
] == GL_DOUBLE
||
182 exec
->vtx
.attrtype
[i
] == GL_UNSIGNED_INT64_ARB
)
185 assert(exec
->vtx
.attrsz
[i
]);
187 if (exec
->vtx
.attrtype
[i
] == GL_DOUBLE
||
188 exec
->vtx
.attrtype
[i
] == GL_UNSIGNED_INT64_ARB
) {
189 memset(tmp
, 0, sizeof(tmp
));
190 memcpy(tmp
, exec
->vtx
.attrptr
[i
], exec
->vtx
.attrsz
[i
] * sizeof(GLfloat
));
192 COPY_CLEAN_4V_TYPE_AS_UNION(tmp
,
194 exec
->vtx
.attrptr
[i
],
195 exec
->vtx
.attrtype
[i
]);
198 if (exec
->vtx
.attrtype
[i
] != vbo
->current
[i
].Type
||
199 memcmp(current
, tmp
, 4 * sizeof(GLfloat
) * dmul
) != 0) {
200 memcpy(current
, tmp
, 4 * sizeof(GLfloat
) * dmul
);
202 /* Given that we explicitly state size here, there is no need
203 * for the COPY_CLEAN above, could just copy 16 bytes and be
204 * done. The only problem is when Mesa accesses ctx->Current
207 /* Size here is in components - not bytes */
208 vbo
->current
[i
].Size
= exec
->vtx
.attrsz
[i
] / dmul
;
209 vbo
->current
[i
]._ElementSize
=
210 vbo
->current
[i
].Size
* sizeof(GLfloat
) * dmul
;
211 vbo
->current
[i
].Type
= exec
->vtx
.attrtype
[i
];
212 vbo
->current
[i
].Integer
=
213 vbo_attrtype_to_integer_flag(exec
->vtx
.attrtype
[i
]);
214 vbo
->current
[i
].Doubles
=
215 vbo_attrtype_to_double_flag(exec
->vtx
.attrtype
[i
]);
217 /* This triggers rather too much recalculation of Mesa state
218 * that doesn't get used (eg light positions).
220 if (i
>= VBO_ATTRIB_MAT_FRONT_AMBIENT
&&
221 i
<= VBO_ATTRIB_MAT_BACK_INDEXES
)
222 ctx
->NewState
|= _NEW_LIGHT
;
224 ctx
->NewState
|= _NEW_CURRENT_ATTRIB
;
228 /* Colormaterial -- this kindof sucks.
230 if (ctx
->Light
.ColorMaterialEnabled
&&
231 exec
->vtx
.attrsz
[VBO_ATTRIB_COLOR0
]) {
232 _mesa_update_color_material(ctx
,
233 ctx
->Current
.Attrib
[VBO_ATTRIB_COLOR0
]);
239 * Copy current vertex attribute values into the current vertex.
242 vbo_exec_copy_from_current(struct vbo_exec_context
*exec
)
244 struct gl_context
*ctx
= exec
->ctx
;
245 struct vbo_context
*vbo
= vbo_context(ctx
);
248 for (i
= VBO_ATTRIB_POS
+ 1; i
< VBO_ATTRIB_MAX
; i
++) {
249 if (exec
->vtx
.attrtype
[i
] == GL_DOUBLE
||
250 exec
->vtx
.attrtype
[i
] == GL_UNSIGNED_INT64_ARB
) {
251 memcpy(exec
->vtx
.attrptr
[i
], vbo
->current
[i
].Ptr
,
252 exec
->vtx
.attrsz
[i
] * sizeof(GLfloat
));
254 const fi_type
*current
= (fi_type
*) vbo
->current
[i
].Ptr
;
255 switch (exec
->vtx
.attrsz
[i
]) {
256 case 4: exec
->vtx
.attrptr
[i
][3] = current
[3];
257 case 3: exec
->vtx
.attrptr
[i
][2] = current
[2];
258 case 2: exec
->vtx
.attrptr
[i
][1] = current
[1];
259 case 1: exec
->vtx
.attrptr
[i
][0] = current
[0];
268 * Flush existing data, set new attrib size, replay copied vertices.
269 * This is called when we transition from a small vertex attribute size
270 * to a larger one. Ex: glTexCoord2f -> glTexCoord4f.
271 * We need to go back over the previous 2-component texcoords and insert
272 * zero and one values.
273 * \param attr VBO_ATTRIB_x vertex attribute value
276 vbo_exec_wrap_upgrade_vertex(struct vbo_exec_context
*exec
,
277 GLuint attr
, GLuint newSize
)
279 struct gl_context
*ctx
= exec
->ctx
;
280 struct vbo_context
*vbo
= vbo_context(ctx
);
281 const GLint lastcount
= exec
->vtx
.vert_count
;
282 fi_type
*old_attrptr
[VBO_ATTRIB_MAX
];
283 const GLuint old_vtx_size
= exec
->vtx
.vertex_size
; /* floats per vertex */
284 const GLuint oldSize
= exec
->vtx
.attrsz
[attr
];
287 assert(attr
< VBO_ATTRIB_MAX
);
289 /* Run pipeline on current vertices, copy wrapped vertices
290 * to exec->vtx.copied.
292 vbo_exec_wrap_buffers(exec
);
294 if (unlikely(exec
->vtx
.copied
.nr
)) {
295 /* We're in the middle of a primitive, keep the old vertex
296 * format around to be able to translate the copied vertices to
299 memcpy(old_attrptr
, exec
->vtx
.attrptr
, sizeof(old_attrptr
));
302 if (unlikely(oldSize
)) {
303 /* Do a COPY_TO_CURRENT to ensure back-copying works for the
304 * case when the attribute already exists in the vertex and is
305 * having its size increased.
307 vbo_exec_copy_to_current(exec
);
310 /* Heuristic: Attempt to isolate attributes received outside
311 * begin/end so that they don't bloat the vertices.
313 if (!_mesa_inside_begin_end(ctx
) &&
314 !oldSize
&& lastcount
> 8 && exec
->vtx
.vertex_size
) {
315 vbo_exec_copy_to_current(exec
);
316 vbo_reset_all_attr(exec
);
321 exec
->vtx
.attrsz
[attr
] = newSize
;
322 exec
->vtx
.vertex_size
+= newSize
- oldSize
;
323 exec
->vtx
.max_vert
= vbo_compute_max_verts(exec
);
324 exec
->vtx
.vert_count
= 0;
325 exec
->vtx
.buffer_ptr
= exec
->vtx
.buffer_map
;
326 exec
->vtx
.enabled
|= BITFIELD64_BIT(attr
);
328 if (unlikely(oldSize
)) {
329 /* Size changed, recalculate all the attrptr[] values
331 fi_type
*tmp
= exec
->vtx
.vertex
;
333 for (i
= 0 ; i
< VBO_ATTRIB_MAX
; i
++) {
334 if (exec
->vtx
.attrsz
[i
]) {
335 exec
->vtx
.attrptr
[i
] = tmp
;
336 tmp
+= exec
->vtx
.attrsz
[i
];
339 exec
->vtx
.attrptr
[i
] = NULL
; /* will not be dereferenced */
342 /* Copy from current to repopulate the vertex with correct
345 vbo_exec_copy_from_current(exec
);
348 /* Just have to append the new attribute at the end */
349 exec
->vtx
.attrptr
[attr
] = exec
->vtx
.vertex
+
350 exec
->vtx
.vertex_size
- newSize
;
353 /* Replay stored vertices to translate them
354 * to new format here.
356 * -- No need to replay - just copy piecewise
358 if (unlikely(exec
->vtx
.copied
.nr
)) {
359 fi_type
*data
= exec
->vtx
.copied
.buffer
;
360 fi_type
*dest
= exec
->vtx
.buffer_ptr
;
362 assert(exec
->vtx
.buffer_ptr
== exec
->vtx
.buffer_map
);
364 for (i
= 0 ; i
< exec
->vtx
.copied
.nr
; i
++) {
365 GLbitfield64 enabled
= exec
->vtx
.enabled
;
367 const int j
= u_bit_scan64(&enabled
);
368 GLuint sz
= exec
->vtx
.attrsz
[j
];
369 GLint old_offset
= old_attrptr
[j
] - exec
->vtx
.vertex
;
370 GLint new_offset
= exec
->vtx
.attrptr
[j
] - exec
->vtx
.vertex
;
377 COPY_CLEAN_4V_TYPE_AS_UNION(tmp
, oldSize
,
379 exec
->vtx
.attrtype
[j
]);
380 COPY_SZ_4V(dest
+ new_offset
, newSize
, tmp
);
382 fi_type
*current
= (fi_type
*)vbo
->current
[j
].Ptr
;
383 COPY_SZ_4V(dest
+ new_offset
, sz
, current
);
387 COPY_SZ_4V(dest
+ new_offset
, sz
, data
+ old_offset
);
391 data
+= old_vtx_size
;
392 dest
+= exec
->vtx
.vertex_size
;
395 exec
->vtx
.buffer_ptr
= dest
;
396 exec
->vtx
.vert_count
+= exec
->vtx
.copied
.nr
;
397 exec
->vtx
.copied
.nr
= 0;
403 * This is when a vertex attribute transitions to a different size.
404 * For example, we saw a bunch of glTexCoord2f() calls and now we got a
405 * glTexCoord4f() call. We promote the array from size=2 to size=4.
406 * \param newSize size of new vertex (number of 32-bit words).
407 * \param attr VBO_ATTRIB_x vertex attribute value
410 vbo_exec_fixup_vertex(struct gl_context
*ctx
, GLuint attr
,
411 GLuint newSize
, GLenum newType
)
413 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
415 assert(attr
< VBO_ATTRIB_MAX
);
417 if (newSize
> exec
->vtx
.attrsz
[attr
] ||
418 newType
!= exec
->vtx
.attrtype
[attr
]) {
419 /* New size is larger. Need to flush existing vertices and get
420 * an enlarged vertex format.
422 vbo_exec_wrap_upgrade_vertex(exec
, attr
, newSize
);
424 else if (newSize
< exec
->vtx
.active_sz
[attr
]) {
427 vbo_get_default_vals_as_union(exec
->vtx
.attrtype
[attr
]);
429 /* New size is smaller - just need to fill in some
430 * zeros. Don't need to flush or wrap.
432 for (i
= newSize
; i
<= exec
->vtx
.attrsz
[attr
]; i
++)
433 exec
->vtx
.attrptr
[attr
][i
-1] = id
[i
-1];
436 exec
->vtx
.active_sz
[attr
] = newSize
;
437 exec
->vtx
.attrtype
[attr
] = newType
;
439 /* Does setting NeedFlush belong here? Necessitates resetting
440 * vtxfmt on each flush (otherwise flags won't get reset
444 ctx
->Driver
.NeedFlush
|= FLUSH_STORED_VERTICES
;
449 * Called upon first glVertex, glColor, glTexCoord, etc.
452 vbo_exec_begin_vertices(struct gl_context
*ctx
)
454 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
456 vbo_exec_vtx_map(exec
);
458 assert((ctx
->Driver
.NeedFlush
& FLUSH_UPDATE_CURRENT
) == 0);
459 assert(exec
->begin_vertices_flags
);
461 ctx
->Driver
.NeedFlush
|= exec
->begin_vertices_flags
;
466 * This macro is used to implement all the glVertex, glColor, glTexCoord,
467 * glVertexAttrib, etc functions.
468 * \param A VBO_ATTRIB_x attribute index
469 * \param N attribute size (1..4)
470 * \param T type (GL_FLOAT, GL_DOUBLE, GL_INT, GL_UNSIGNED_INT)
471 * \param C cast type (fi_type or double)
472 * \param V0, V1, v2, V3 attribute value
474 #define ATTR_UNION(A, N, T, C, V0, V1, V2, V3) \
476 struct vbo_exec_context *exec = &vbo_context(ctx)->exec; \
477 int sz = (sizeof(C) / sizeof(GLfloat)); \
479 assert(sz == 1 || sz == 2); \
481 /* check if attribute size or type is changing */ \
482 if (unlikely(exec->vtx.active_sz[A] != N * sz) || \
483 unlikely(exec->vtx.attrtype[A] != T)) { \
484 vbo_exec_fixup_vertex(ctx, A, N * sz, T); \
487 /* store vertex attribute in vertex buffer */ \
489 C *dest = (C *)exec->vtx.attrptr[A]; \
490 if (N>0) dest[0] = V0; \
491 if (N>1) dest[1] = V1; \
492 if (N>2) dest[2] = V2; \
493 if (N>3) dest[3] = V3; \
494 assert(exec->vtx.attrtype[A] == T); \
498 /* This is a glVertex call */ \
501 if (unlikely((ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT) == 0)) { \
502 vbo_exec_begin_vertices(ctx); \
505 if (unlikely(!exec->vtx.buffer_ptr)) { \
506 vbo_exec_vtx_map(exec); \
508 assert(exec->vtx.buffer_ptr); \
510 /* copy 32-bit words */ \
511 for (i = 0; i < exec->vtx.vertex_size; i++) \
512 exec->vtx.buffer_ptr[i] = exec->vtx.vertex[i]; \
514 exec->vtx.buffer_ptr += exec->vtx.vertex_size; \
516 /* Set FLUSH_STORED_VERTICES to indicate that there's now */ \
517 /* something to draw (not just updating a color or texcoord).*/ \
518 ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES; \
520 if (++exec->vtx.vert_count >= exec->vtx.max_vert) \
521 vbo_exec_vtx_wrap(exec); \
523 /* we now have accumulated per-vertex attributes */ \
524 ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT; \
530 #define ERROR(err) _mesa_error(ctx, err, __func__)
531 #define TAG(x) vbo_##x
533 #include "vbo_attrib_tmp.h"
538 * Execute a glMaterial call. Note that if GL_COLOR_MATERIAL is enabled,
539 * this may be a (partial) no-op.
541 static void GLAPIENTRY
542 vbo_Materialfv(GLenum face
, GLenum pname
, const GLfloat
*params
)
544 GLbitfield updateMats
;
545 GET_CURRENT_CONTEXT(ctx
);
547 /* This function should be a no-op when it tries to update material
548 * attributes which are currently tracking glColor via glColorMaterial.
549 * The updateMats var will be a mask of the MAT_BIT_FRONT/BACK_x bits
550 * indicating which material attributes can actually be updated below.
552 if (ctx
->Light
.ColorMaterialEnabled
) {
553 updateMats
= ~ctx
->Light
._ColorMaterialBitmask
;
556 /* GL_COLOR_MATERIAL is disabled so don't skip any material updates */
557 updateMats
= ALL_MATERIAL_BITS
;
560 if (ctx
->API
== API_OPENGL_COMPAT
&& face
== GL_FRONT
) {
561 updateMats
&= FRONT_MATERIAL_BITS
;
563 else if (ctx
->API
== API_OPENGL_COMPAT
&& face
== GL_BACK
) {
564 updateMats
&= BACK_MATERIAL_BITS
;
566 else if (face
!= GL_FRONT_AND_BACK
) {
567 _mesa_error(ctx
, GL_INVALID_ENUM
, "glMaterial(invalid face)");
573 if (updateMats
& MAT_BIT_FRONT_EMISSION
)
574 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_EMISSION
, 4, params
);
575 if (updateMats
& MAT_BIT_BACK_EMISSION
)
576 MAT_ATTR(VBO_ATTRIB_MAT_BACK_EMISSION
, 4, params
);
579 if (updateMats
& MAT_BIT_FRONT_AMBIENT
)
580 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_AMBIENT
, 4, params
);
581 if (updateMats
& MAT_BIT_BACK_AMBIENT
)
582 MAT_ATTR(VBO_ATTRIB_MAT_BACK_AMBIENT
, 4, params
);
585 if (updateMats
& MAT_BIT_FRONT_DIFFUSE
)
586 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_DIFFUSE
, 4, params
);
587 if (updateMats
& MAT_BIT_BACK_DIFFUSE
)
588 MAT_ATTR(VBO_ATTRIB_MAT_BACK_DIFFUSE
, 4, params
);
591 if (updateMats
& MAT_BIT_FRONT_SPECULAR
)
592 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_SPECULAR
, 4, params
);
593 if (updateMats
& MAT_BIT_BACK_SPECULAR
)
594 MAT_ATTR(VBO_ATTRIB_MAT_BACK_SPECULAR
, 4, params
);
597 if (*params
< 0 || *params
> ctx
->Const
.MaxShininess
) {
598 _mesa_error(ctx
, GL_INVALID_VALUE
,
599 "glMaterial(invalid shininess: %f out range [0, %f])",
600 *params
, ctx
->Const
.MaxShininess
);
603 if (updateMats
& MAT_BIT_FRONT_SHININESS
)
604 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_SHININESS
, 1, params
);
605 if (updateMats
& MAT_BIT_BACK_SHININESS
)
606 MAT_ATTR(VBO_ATTRIB_MAT_BACK_SHININESS
, 1, params
);
608 case GL_COLOR_INDEXES
:
609 if (ctx
->API
!= API_OPENGL_COMPAT
) {
610 _mesa_error(ctx
, GL_INVALID_ENUM
, "glMaterialfv(pname)");
613 if (updateMats
& MAT_BIT_FRONT_INDEXES
)
614 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_INDEXES
, 3, params
);
615 if (updateMats
& MAT_BIT_BACK_INDEXES
)
616 MAT_ATTR(VBO_ATTRIB_MAT_BACK_INDEXES
, 3, params
);
618 case GL_AMBIENT_AND_DIFFUSE
:
619 if (updateMats
& MAT_BIT_FRONT_AMBIENT
)
620 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_AMBIENT
, 4, params
);
621 if (updateMats
& MAT_BIT_FRONT_DIFFUSE
)
622 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_DIFFUSE
, 4, params
);
623 if (updateMats
& MAT_BIT_BACK_AMBIENT
)
624 MAT_ATTR(VBO_ATTRIB_MAT_BACK_AMBIENT
, 4, params
);
625 if (updateMats
& MAT_BIT_BACK_DIFFUSE
)
626 MAT_ATTR(VBO_ATTRIB_MAT_BACK_DIFFUSE
, 4, params
);
629 _mesa_error(ctx
, GL_INVALID_ENUM
, "glMaterialfv(pname)");
636 * Flush (draw) vertices.
637 * \param unmap - leave VBO unmapped after flushing?
640 vbo_exec_FlushVertices_internal(struct vbo_exec_context
*exec
, GLboolean unmap
)
642 if (exec
->vtx
.vert_count
|| unmap
) {
643 vbo_exec_vtx_flush(exec
, unmap
);
646 if (exec
->vtx
.vertex_size
) {
647 vbo_exec_copy_to_current(exec
);
648 vbo_reset_all_attr(exec
);
653 static void GLAPIENTRY
654 vbo_exec_EvalCoord1f(GLfloat u
)
656 GET_CURRENT_CONTEXT(ctx
);
657 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
661 if (exec
->eval
.recalculate_maps
)
662 vbo_exec_eval_update(exec
);
664 for (i
= 0; i
<= VBO_ATTRIB_TEX7
; i
++) {
665 if (exec
->eval
.map1
[i
].map
)
666 if (exec
->vtx
.active_sz
[i
] != exec
->eval
.map1
[i
].sz
)
667 vbo_exec_fixup_vertex(ctx
, i
, exec
->eval
.map1
[i
].sz
, GL_FLOAT
);
671 memcpy(exec
->vtx
.copied
.buffer
, exec
->vtx
.vertex
,
672 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
674 vbo_exec_do_EvalCoord1f(exec
, u
);
676 memcpy(exec
->vtx
.vertex
, exec
->vtx
.copied
.buffer
,
677 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
681 static void GLAPIENTRY
682 vbo_exec_EvalCoord2f(GLfloat u
, GLfloat v
)
684 GET_CURRENT_CONTEXT(ctx
);
685 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
689 if (exec
->eval
.recalculate_maps
)
690 vbo_exec_eval_update(exec
);
692 for (i
= 0; i
<= VBO_ATTRIB_TEX7
; i
++) {
693 if (exec
->eval
.map2
[i
].map
)
694 if (exec
->vtx
.active_sz
[i
] != exec
->eval
.map2
[i
].sz
)
695 vbo_exec_fixup_vertex(ctx
, i
, exec
->eval
.map2
[i
].sz
, GL_FLOAT
);
698 if (ctx
->Eval
.AutoNormal
)
699 if (exec
->vtx
.active_sz
[VBO_ATTRIB_NORMAL
] != 3)
700 vbo_exec_fixup_vertex(ctx
, VBO_ATTRIB_NORMAL
, 3, GL_FLOAT
);
703 memcpy(exec
->vtx
.copied
.buffer
, exec
->vtx
.vertex
,
704 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
706 vbo_exec_do_EvalCoord2f(exec
, u
, v
);
708 memcpy(exec
->vtx
.vertex
, exec
->vtx
.copied
.buffer
,
709 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
713 static void GLAPIENTRY
714 vbo_exec_EvalCoord1fv(const GLfloat
*u
)
716 vbo_exec_EvalCoord1f(u
[0]);
720 static void GLAPIENTRY
721 vbo_exec_EvalCoord2fv(const GLfloat
*u
)
723 vbo_exec_EvalCoord2f(u
[0], u
[1]);
727 static void GLAPIENTRY
728 vbo_exec_EvalPoint1(GLint i
)
730 GET_CURRENT_CONTEXT(ctx
);
731 GLfloat du
= ((ctx
->Eval
.MapGrid1u2
- ctx
->Eval
.MapGrid1u1
) /
732 (GLfloat
) ctx
->Eval
.MapGrid1un
);
733 GLfloat u
= i
* du
+ ctx
->Eval
.MapGrid1u1
;
735 vbo_exec_EvalCoord1f(u
);
739 static void GLAPIENTRY
740 vbo_exec_EvalPoint2(GLint i
, GLint j
)
742 GET_CURRENT_CONTEXT(ctx
);
743 GLfloat du
= ((ctx
->Eval
.MapGrid2u2
- ctx
->Eval
.MapGrid2u1
) /
744 (GLfloat
) ctx
->Eval
.MapGrid2un
);
745 GLfloat dv
= ((ctx
->Eval
.MapGrid2v2
- ctx
->Eval
.MapGrid2v1
) /
746 (GLfloat
) ctx
->Eval
.MapGrid2vn
);
747 GLfloat u
= i
* du
+ ctx
->Eval
.MapGrid2u1
;
748 GLfloat v
= j
* dv
+ ctx
->Eval
.MapGrid2v1
;
750 vbo_exec_EvalCoord2f(u
, v
);
755 * Called via glBegin.
757 static void GLAPIENTRY
758 vbo_exec_Begin(GLenum mode
)
760 GET_CURRENT_CONTEXT(ctx
);
761 struct vbo_context
*vbo
= vbo_context(ctx
);
762 struct vbo_exec_context
*exec
= &vbo
->exec
;
765 if (_mesa_inside_begin_end(ctx
)) {
766 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBegin");
770 if (!_mesa_valid_prim_mode(ctx
, mode
, "glBegin")) {
775 _mesa_update_state(ctx
);
777 CALL_Begin(ctx
->Exec
, (mode
));
781 if (!_mesa_valid_to_render(ctx
, "glBegin")) {
785 /* Heuristic: attempt to isolate attributes occurring outside
788 if (exec
->vtx
.vertex_size
&& !exec
->vtx
.attrsz
[0])
789 vbo_exec_FlushVertices_internal(exec
, GL_FALSE
);
791 i
= exec
->vtx
.prim_count
++;
792 exec
->vtx
.prim
[i
].mode
= mode
;
793 exec
->vtx
.prim
[i
].begin
= 1;
794 exec
->vtx
.prim
[i
].end
= 0;
795 exec
->vtx
.prim
[i
].indexed
= 0;
796 exec
->vtx
.prim
[i
].weak
= 0;
797 exec
->vtx
.prim
[i
].pad
= 0;
798 exec
->vtx
.prim
[i
].start
= exec
->vtx
.vert_count
;
799 exec
->vtx
.prim
[i
].count
= 0;
800 exec
->vtx
.prim
[i
].num_instances
= 1;
801 exec
->vtx
.prim
[i
].base_instance
= 0;
802 exec
->vtx
.prim
[i
].is_indirect
= 0;
804 ctx
->Driver
.CurrentExecPrimitive
= mode
;
806 ctx
->Exec
= ctx
->BeginEnd
;
807 /* We may have been called from a display list, in which case we should
808 * leave dlist.c's dispatch table in place.
810 if (ctx
->CurrentClientDispatch
== ctx
->OutsideBeginEnd
) {
811 ctx
->CurrentClientDispatch
= ctx
->BeginEnd
;
812 _glapi_set_dispatch(ctx
->CurrentClientDispatch
);
814 assert(ctx
->CurrentClientDispatch
== ctx
->Save
);
820 * Try to merge / concatenate the two most recent VBO primitives.
823 try_vbo_merge(struct vbo_exec_context
*exec
)
825 struct _mesa_prim
*cur
= &exec
->vtx
.prim
[exec
->vtx
.prim_count
- 1];
827 assert(exec
->vtx
.prim_count
>= 1);
829 vbo_try_prim_conversion(cur
);
831 if (exec
->vtx
.prim_count
>= 2) {
832 struct _mesa_prim
*prev
= &exec
->vtx
.prim
[exec
->vtx
.prim_count
- 2];
833 assert(prev
== cur
- 1);
835 if (vbo_can_merge_prims(prev
, cur
)) {
840 vbo_merge_prims(prev
, cur
);
841 exec
->vtx
.prim_count
--; /* drop the last primitive */
850 static void GLAPIENTRY
853 GET_CURRENT_CONTEXT(ctx
);
854 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
856 if (!_mesa_inside_begin_end(ctx
)) {
857 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEnd");
861 ctx
->Exec
= ctx
->OutsideBeginEnd
;
862 if (ctx
->CurrentClientDispatch
== ctx
->BeginEnd
) {
863 ctx
->CurrentClientDispatch
= ctx
->OutsideBeginEnd
;
864 _glapi_set_dispatch(ctx
->CurrentClientDispatch
);
867 if (exec
->vtx
.prim_count
> 0) {
868 /* close off current primitive */
869 struct _mesa_prim
*last_prim
= &exec
->vtx
.prim
[exec
->vtx
.prim_count
- 1];
872 last_prim
->count
= exec
->vtx
.vert_count
- last_prim
->start
;
874 /* Special handling for GL_LINE_LOOP */
875 if (last_prim
->mode
== GL_LINE_LOOP
&& last_prim
->begin
== 0) {
876 /* We're finishing drawing a line loop. Append 0th vertex onto
877 * end of vertex buffer so we can draw it as a line strip.
879 const fi_type
*src
= exec
->vtx
.buffer_map
+
880 last_prim
->start
* exec
->vtx
.vertex_size
;
881 fi_type
*dst
= exec
->vtx
.buffer_map
+
882 exec
->vtx
.vert_count
* exec
->vtx
.vertex_size
;
884 /* copy 0th vertex to end of buffer */
885 memcpy(dst
, src
, exec
->vtx
.vertex_size
* sizeof(fi_type
));
887 last_prim
->start
++; /* skip vertex0 */
888 /* note that last_prim->count stays unchanged */
889 last_prim
->mode
= GL_LINE_STRIP
;
891 /* Increment the vertex count so the next primitive doesn't
892 * overwrite the last vertex which we just added.
894 exec
->vtx
.vert_count
++;
895 exec
->vtx
.buffer_ptr
+= exec
->vtx
.vertex_size
;
901 ctx
->Driver
.CurrentExecPrimitive
= PRIM_OUTSIDE_BEGIN_END
;
903 if (exec
->vtx
.prim_count
== VBO_MAX_PRIM
)
904 vbo_exec_vtx_flush(exec
, GL_FALSE
);
906 if (MESA_DEBUG_FLAGS
& DEBUG_ALWAYS_FLUSH
) {
913 * Called via glPrimitiveRestartNV()
915 static void GLAPIENTRY
916 vbo_exec_PrimitiveRestartNV(void)
919 GET_CURRENT_CONTEXT(ctx
);
921 curPrim
= ctx
->Driver
.CurrentExecPrimitive
;
923 if (curPrim
== PRIM_OUTSIDE_BEGIN_END
) {
924 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glPrimitiveRestartNV");
928 vbo_exec_Begin(curPrim
);
934 vbo_exec_vtxfmt_init(struct vbo_exec_context
*exec
)
936 struct gl_context
*ctx
= exec
->ctx
;
937 GLvertexformat
*vfmt
= &exec
->vtxfmt
;
939 vfmt
->ArrayElement
= _ae_ArrayElement
;
941 vfmt
->Begin
= vbo_exec_Begin
;
942 vfmt
->End
= vbo_exec_End
;
943 vfmt
->PrimitiveRestartNV
= vbo_exec_PrimitiveRestartNV
;
945 vfmt
->CallList
= _mesa_CallList
;
946 vfmt
->CallLists
= _mesa_CallLists
;
948 vfmt
->EvalCoord1f
= vbo_exec_EvalCoord1f
;
949 vfmt
->EvalCoord1fv
= vbo_exec_EvalCoord1fv
;
950 vfmt
->EvalCoord2f
= vbo_exec_EvalCoord2f
;
951 vfmt
->EvalCoord2fv
= vbo_exec_EvalCoord2fv
;
952 vfmt
->EvalPoint1
= vbo_exec_EvalPoint1
;
953 vfmt
->EvalPoint2
= vbo_exec_EvalPoint2
;
955 /* from attrib_tmp.h:
957 vfmt
->Color3f
= vbo_Color3f
;
958 vfmt
->Color3fv
= vbo_Color3fv
;
959 vfmt
->Color4f
= vbo_Color4f
;
960 vfmt
->Color4fv
= vbo_Color4fv
;
961 vfmt
->FogCoordfEXT
= vbo_FogCoordfEXT
;
962 vfmt
->FogCoordfvEXT
= vbo_FogCoordfvEXT
;
963 vfmt
->MultiTexCoord1fARB
= vbo_MultiTexCoord1f
;
964 vfmt
->MultiTexCoord1fvARB
= vbo_MultiTexCoord1fv
;
965 vfmt
->MultiTexCoord2fARB
= vbo_MultiTexCoord2f
;
966 vfmt
->MultiTexCoord2fvARB
= vbo_MultiTexCoord2fv
;
967 vfmt
->MultiTexCoord3fARB
= vbo_MultiTexCoord3f
;
968 vfmt
->MultiTexCoord3fvARB
= vbo_MultiTexCoord3fv
;
969 vfmt
->MultiTexCoord4fARB
= vbo_MultiTexCoord4f
;
970 vfmt
->MultiTexCoord4fvARB
= vbo_MultiTexCoord4fv
;
971 vfmt
->Normal3f
= vbo_Normal3f
;
972 vfmt
->Normal3fv
= vbo_Normal3fv
;
973 vfmt
->SecondaryColor3fEXT
= vbo_SecondaryColor3fEXT
;
974 vfmt
->SecondaryColor3fvEXT
= vbo_SecondaryColor3fvEXT
;
975 vfmt
->TexCoord1f
= vbo_TexCoord1f
;
976 vfmt
->TexCoord1fv
= vbo_TexCoord1fv
;
977 vfmt
->TexCoord2f
= vbo_TexCoord2f
;
978 vfmt
->TexCoord2fv
= vbo_TexCoord2fv
;
979 vfmt
->TexCoord3f
= vbo_TexCoord3f
;
980 vfmt
->TexCoord3fv
= vbo_TexCoord3fv
;
981 vfmt
->TexCoord4f
= vbo_TexCoord4f
;
982 vfmt
->TexCoord4fv
= vbo_TexCoord4fv
;
983 vfmt
->Vertex2f
= vbo_Vertex2f
;
984 vfmt
->Vertex2fv
= vbo_Vertex2fv
;
985 vfmt
->Vertex3f
= vbo_Vertex3f
;
986 vfmt
->Vertex3fv
= vbo_Vertex3fv
;
987 vfmt
->Vertex4f
= vbo_Vertex4f
;
988 vfmt
->Vertex4fv
= vbo_Vertex4fv
;
990 if (ctx
->API
== API_OPENGLES2
) {
991 vfmt
->VertexAttrib1fARB
= _es_VertexAttrib1f
;
992 vfmt
->VertexAttrib1fvARB
= _es_VertexAttrib1fv
;
993 vfmt
->VertexAttrib2fARB
= _es_VertexAttrib2f
;
994 vfmt
->VertexAttrib2fvARB
= _es_VertexAttrib2fv
;
995 vfmt
->VertexAttrib3fARB
= _es_VertexAttrib3f
;
996 vfmt
->VertexAttrib3fvARB
= _es_VertexAttrib3fv
;
997 vfmt
->VertexAttrib4fARB
= _es_VertexAttrib4f
;
998 vfmt
->VertexAttrib4fvARB
= _es_VertexAttrib4fv
;
1000 vfmt
->VertexAttrib1fARB
= vbo_VertexAttrib1fARB
;
1001 vfmt
->VertexAttrib1fvARB
= vbo_VertexAttrib1fvARB
;
1002 vfmt
->VertexAttrib2fARB
= vbo_VertexAttrib2fARB
;
1003 vfmt
->VertexAttrib2fvARB
= vbo_VertexAttrib2fvARB
;
1004 vfmt
->VertexAttrib3fARB
= vbo_VertexAttrib3fARB
;
1005 vfmt
->VertexAttrib3fvARB
= vbo_VertexAttrib3fvARB
;
1006 vfmt
->VertexAttrib4fARB
= vbo_VertexAttrib4fARB
;
1007 vfmt
->VertexAttrib4fvARB
= vbo_VertexAttrib4fvARB
;
1010 /* Note that VertexAttrib4fNV is used from dlist.c and api_arrayelt.c so
1011 * they can have a single entrypoint for updating any of the legacy
1014 vfmt
->VertexAttrib1fNV
= vbo_VertexAttrib1fNV
;
1015 vfmt
->VertexAttrib1fvNV
= vbo_VertexAttrib1fvNV
;
1016 vfmt
->VertexAttrib2fNV
= vbo_VertexAttrib2fNV
;
1017 vfmt
->VertexAttrib2fvNV
= vbo_VertexAttrib2fvNV
;
1018 vfmt
->VertexAttrib3fNV
= vbo_VertexAttrib3fNV
;
1019 vfmt
->VertexAttrib3fvNV
= vbo_VertexAttrib3fvNV
;
1020 vfmt
->VertexAttrib4fNV
= vbo_VertexAttrib4fNV
;
1021 vfmt
->VertexAttrib4fvNV
= vbo_VertexAttrib4fvNV
;
1023 /* integer-valued */
1024 vfmt
->VertexAttribI1i
= vbo_VertexAttribI1i
;
1025 vfmt
->VertexAttribI2i
= vbo_VertexAttribI2i
;
1026 vfmt
->VertexAttribI3i
= vbo_VertexAttribI3i
;
1027 vfmt
->VertexAttribI4i
= vbo_VertexAttribI4i
;
1028 vfmt
->VertexAttribI2iv
= vbo_VertexAttribI2iv
;
1029 vfmt
->VertexAttribI3iv
= vbo_VertexAttribI3iv
;
1030 vfmt
->VertexAttribI4iv
= vbo_VertexAttribI4iv
;
1032 /* unsigned integer-valued */
1033 vfmt
->VertexAttribI1ui
= vbo_VertexAttribI1ui
;
1034 vfmt
->VertexAttribI2ui
= vbo_VertexAttribI2ui
;
1035 vfmt
->VertexAttribI3ui
= vbo_VertexAttribI3ui
;
1036 vfmt
->VertexAttribI4ui
= vbo_VertexAttribI4ui
;
1037 vfmt
->VertexAttribI2uiv
= vbo_VertexAttribI2uiv
;
1038 vfmt
->VertexAttribI3uiv
= vbo_VertexAttribI3uiv
;
1039 vfmt
->VertexAttribI4uiv
= vbo_VertexAttribI4uiv
;
1041 vfmt
->Materialfv
= vbo_Materialfv
;
1043 vfmt
->EdgeFlag
= vbo_EdgeFlag
;
1044 vfmt
->Indexf
= vbo_Indexf
;
1045 vfmt
->Indexfv
= vbo_Indexfv
;
1047 /* ARB_vertex_type_2_10_10_10_rev */
1048 vfmt
->VertexP2ui
= vbo_VertexP2ui
;
1049 vfmt
->VertexP2uiv
= vbo_VertexP2uiv
;
1050 vfmt
->VertexP3ui
= vbo_VertexP3ui
;
1051 vfmt
->VertexP3uiv
= vbo_VertexP3uiv
;
1052 vfmt
->VertexP4ui
= vbo_VertexP4ui
;
1053 vfmt
->VertexP4uiv
= vbo_VertexP4uiv
;
1055 vfmt
->TexCoordP1ui
= vbo_TexCoordP1ui
;
1056 vfmt
->TexCoordP1uiv
= vbo_TexCoordP1uiv
;
1057 vfmt
->TexCoordP2ui
= vbo_TexCoordP2ui
;
1058 vfmt
->TexCoordP2uiv
= vbo_TexCoordP2uiv
;
1059 vfmt
->TexCoordP3ui
= vbo_TexCoordP3ui
;
1060 vfmt
->TexCoordP3uiv
= vbo_TexCoordP3uiv
;
1061 vfmt
->TexCoordP4ui
= vbo_TexCoordP4ui
;
1062 vfmt
->TexCoordP4uiv
= vbo_TexCoordP4uiv
;
1064 vfmt
->MultiTexCoordP1ui
= vbo_MultiTexCoordP1ui
;
1065 vfmt
->MultiTexCoordP1uiv
= vbo_MultiTexCoordP1uiv
;
1066 vfmt
->MultiTexCoordP2ui
= vbo_MultiTexCoordP2ui
;
1067 vfmt
->MultiTexCoordP2uiv
= vbo_MultiTexCoordP2uiv
;
1068 vfmt
->MultiTexCoordP3ui
= vbo_MultiTexCoordP3ui
;
1069 vfmt
->MultiTexCoordP3uiv
= vbo_MultiTexCoordP3uiv
;
1070 vfmt
->MultiTexCoordP4ui
= vbo_MultiTexCoordP4ui
;
1071 vfmt
->MultiTexCoordP4uiv
= vbo_MultiTexCoordP4uiv
;
1073 vfmt
->NormalP3ui
= vbo_NormalP3ui
;
1074 vfmt
->NormalP3uiv
= vbo_NormalP3uiv
;
1076 vfmt
->ColorP3ui
= vbo_ColorP3ui
;
1077 vfmt
->ColorP3uiv
= vbo_ColorP3uiv
;
1078 vfmt
->ColorP4ui
= vbo_ColorP4ui
;
1079 vfmt
->ColorP4uiv
= vbo_ColorP4uiv
;
1081 vfmt
->SecondaryColorP3ui
= vbo_SecondaryColorP3ui
;
1082 vfmt
->SecondaryColorP3uiv
= vbo_SecondaryColorP3uiv
;
1084 vfmt
->VertexAttribP1ui
= vbo_VertexAttribP1ui
;
1085 vfmt
->VertexAttribP1uiv
= vbo_VertexAttribP1uiv
;
1086 vfmt
->VertexAttribP2ui
= vbo_VertexAttribP2ui
;
1087 vfmt
->VertexAttribP2uiv
= vbo_VertexAttribP2uiv
;
1088 vfmt
->VertexAttribP3ui
= vbo_VertexAttribP3ui
;
1089 vfmt
->VertexAttribP3uiv
= vbo_VertexAttribP3uiv
;
1090 vfmt
->VertexAttribP4ui
= vbo_VertexAttribP4ui
;
1091 vfmt
->VertexAttribP4uiv
= vbo_VertexAttribP4uiv
;
1093 vfmt
->VertexAttribL1d
= vbo_VertexAttribL1d
;
1094 vfmt
->VertexAttribL2d
= vbo_VertexAttribL2d
;
1095 vfmt
->VertexAttribL3d
= vbo_VertexAttribL3d
;
1096 vfmt
->VertexAttribL4d
= vbo_VertexAttribL4d
;
1098 vfmt
->VertexAttribL1dv
= vbo_VertexAttribL1dv
;
1099 vfmt
->VertexAttribL2dv
= vbo_VertexAttribL2dv
;
1100 vfmt
->VertexAttribL3dv
= vbo_VertexAttribL3dv
;
1101 vfmt
->VertexAttribL4dv
= vbo_VertexAttribL4dv
;
1103 vfmt
->VertexAttribL1ui64ARB
= vbo_VertexAttribL1ui64ARB
;
1104 vfmt
->VertexAttribL1ui64vARB
= vbo_VertexAttribL1ui64vARB
;
1109 * Tell the VBO module to use a real OpenGL vertex buffer object to
1110 * store accumulated immediate-mode vertex data.
1111 * This replaces the malloced buffer which was created in
1112 * vb_exec_vtx_init() below.
1115 vbo_use_buffer_objects(struct gl_context
*ctx
)
1117 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1118 /* Any buffer name but 0 can be used here since this bufferobj won't
1119 * go into the bufferobj hashtable.
1121 GLuint bufName
= IMM_BUFFER_NAME
;
1122 GLenum target
= GL_ARRAY_BUFFER_ARB
;
1123 GLenum usage
= GL_STREAM_DRAW_ARB
;
1124 GLsizei size
= VBO_VERT_BUFFER_SIZE
;
1126 /* Make sure this func is only used once */
1127 assert(exec
->vtx
.bufferobj
== ctx
->Shared
->NullBufferObj
);
1129 _mesa_align_free(exec
->vtx
.buffer_map
);
1130 exec
->vtx
.buffer_map
= NULL
;
1131 exec
->vtx
.buffer_ptr
= NULL
;
1133 /* Allocate a real buffer object now */
1134 _mesa_reference_buffer_object(ctx
, &exec
->vtx
.bufferobj
, NULL
);
1135 exec
->vtx
.bufferobj
= ctx
->Driver
.NewBufferObject(ctx
, bufName
);
1136 if (!ctx
->Driver
.BufferData(ctx
, target
, size
, NULL
, usage
,
1138 GL_DYNAMIC_STORAGE_BIT
|
1139 GL_CLIENT_STORAGE_BIT
,
1140 exec
->vtx
.bufferobj
)) {
1141 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "VBO allocation");
1147 * If this function is called, all VBO buffers will be unmapped when
1149 * Otherwise, if a simple command like glColor3f() is called and we flush,
1150 * the current VBO may be left mapped.
1153 vbo_always_unmap_buffers(struct gl_context
*ctx
)
1155 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1156 exec
->begin_vertices_flags
|= FLUSH_STORED_VERTICES
;
1161 vbo_exec_vtx_init(struct vbo_exec_context
*exec
)
1163 struct gl_context
*ctx
= exec
->ctx
;
1166 /* Allocate a buffer object. Will just reuse this object
1167 * continuously, unless vbo_use_buffer_objects() is called to enable
1170 _mesa_reference_buffer_object(ctx
,
1171 &exec
->vtx
.bufferobj
,
1172 ctx
->Shared
->NullBufferObj
);
1174 assert(!exec
->vtx
.buffer_map
);
1175 exec
->vtx
.buffer_map
= _mesa_align_malloc(VBO_VERT_BUFFER_SIZE
, 64);
1176 exec
->vtx
.buffer_ptr
= exec
->vtx
.buffer_map
;
1178 vbo_exec_vtxfmt_init(exec
);
1179 _mesa_noop_vtxfmt_init(&exec
->vtxfmt_noop
);
1181 exec
->vtx
.enabled
= 0;
1182 for (i
= 0 ; i
< VBO_ATTRIB_MAX
; i
++) {
1183 assert(i
< ARRAY_SIZE(exec
->vtx
.attrsz
));
1184 exec
->vtx
.attrsz
[i
] = 0;
1185 assert(i
< ARRAY_SIZE(exec
->vtx
.attrtype
));
1186 exec
->vtx
.attrtype
[i
] = GL_FLOAT
;
1187 assert(i
< ARRAY_SIZE(exec
->vtx
.active_sz
));
1188 exec
->vtx
.active_sz
[i
] = 0;
1191 exec
->vtx
.vertex_size
= 0;
1193 exec
->begin_vertices_flags
= FLUSH_UPDATE_CURRENT
;
1198 vbo_exec_vtx_destroy(struct vbo_exec_context
*exec
)
1200 /* using a real VBO for vertex data */
1201 struct gl_context
*ctx
= exec
->ctx
;
1203 /* True VBOs should already be unmapped
1205 if (exec
->vtx
.buffer_map
) {
1206 assert(exec
->vtx
.bufferobj
->Name
== 0 ||
1207 exec
->vtx
.bufferobj
->Name
== IMM_BUFFER_NAME
);
1208 if (exec
->vtx
.bufferobj
->Name
== 0) {
1209 _mesa_align_free(exec
->vtx
.buffer_map
);
1210 exec
->vtx
.buffer_map
= NULL
;
1211 exec
->vtx
.buffer_ptr
= NULL
;
1215 /* Free the vertex buffer. Unmap first if needed.
1217 if (_mesa_bufferobj_mapped(exec
->vtx
.bufferobj
, MAP_INTERNAL
)) {
1218 ctx
->Driver
.UnmapBuffer(ctx
, exec
->vtx
.bufferobj
, MAP_INTERNAL
);
1220 _mesa_reference_buffer_object(ctx
, &exec
->vtx
.bufferobj
, NULL
);
1225 * If inside glBegin()/glEnd(), it should assert(0). Otherwise, if
1226 * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered
1227 * vertices, if FLUSH_UPDATE_CURRENT bit is set updates
1228 * __struct gl_contextRec::Current and gl_light_attrib::Material
1230 * Note that the default T&L engine never clears the
1231 * FLUSH_UPDATE_CURRENT bit, even after performing the update.
1233 * \param flags bitmask of FLUSH_STORED_VERTICES, FLUSH_UPDATE_CURRENT
1236 vbo_exec_FlushVertices(struct gl_context
*ctx
, GLuint flags
)
1238 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1241 /* debug check: make sure we don't get called recursively */
1242 exec
->flush_call_depth
++;
1243 assert(exec
->flush_call_depth
== 1);
1246 if (_mesa_inside_begin_end(ctx
)) {
1247 /* We've had glBegin but not glEnd! */
1249 exec
->flush_call_depth
--;
1250 assert(exec
->flush_call_depth
== 0);
1255 /* Flush (draw), and make sure VBO is left unmapped when done */
1256 vbo_exec_FlushVertices_internal(exec
, GL_TRUE
);
1258 /* Need to do this to ensure vbo_exec_begin_vertices gets called again:
1260 ctx
->Driver
.NeedFlush
&= ~(FLUSH_UPDATE_CURRENT
| flags
);
1263 exec
->flush_call_depth
--;
1264 assert(exec
->flush_call_depth
== 0);
1270 * Reset the vertex attribute by setting its size to zero.
1273 vbo_reset_attr(struct vbo_exec_context
*exec
, GLuint attr
)
1275 exec
->vtx
.attrsz
[attr
] = 0;
1276 exec
->vtx
.attrtype
[attr
] = GL_FLOAT
;
1277 exec
->vtx
.active_sz
[attr
] = 0;
1282 vbo_reset_all_attr(struct vbo_exec_context
*exec
)
1284 while (exec
->vtx
.enabled
) {
1285 const int i
= u_bit_scan64(&exec
->vtx
.enabled
);
1286 vbo_reset_attr(exec
, i
);
1289 exec
->vtx
.vertex_size
= 0;
1294 _es_Color4f(GLfloat r
, GLfloat g
, GLfloat b
, GLfloat a
)
1296 vbo_Color4f(r
, g
, b
, a
);
1301 _es_Normal3f(GLfloat x
, GLfloat y
, GLfloat z
)
1303 vbo_Normal3f(x
, y
, z
);
1308 _es_MultiTexCoord4f(GLenum target
, GLfloat s
, GLfloat t
, GLfloat r
, GLfloat q
)
1310 vbo_MultiTexCoord4f(target
, s
, t
, r
, q
);
1315 _es_Materialfv(GLenum face
, GLenum pname
, const GLfloat
*params
)
1317 vbo_Materialfv(face
, pname
, params
);
1322 _es_Materialf(GLenum face
, GLenum pname
, GLfloat param
)
1326 p
[1] = p
[2] = p
[3] = 0.0F
;
1327 vbo_Materialfv(face
, pname
, p
);
1332 * A special version of glVertexAttrib4f that does not treat index 0 as
1336 VertexAttrib4f_nopos(GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
)
1338 GET_CURRENT_CONTEXT(ctx
);
1339 if (index
< MAX_VERTEX_GENERIC_ATTRIBS
)
1340 ATTRF(VBO_ATTRIB_GENERIC0
+ index
, 4, x
, y
, z
, w
);
1342 ERROR(GL_INVALID_VALUE
);
1346 _es_VertexAttrib4f(GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
)
1348 VertexAttrib4f_nopos(index
, x
, y
, z
, w
);
1353 _es_VertexAttrib1f(GLuint indx
, GLfloat x
)
1355 VertexAttrib4f_nopos(indx
, x
, 0.0f
, 0.0f
, 1.0f
);
1360 _es_VertexAttrib1fv(GLuint indx
, const GLfloat
* values
)
1362 VertexAttrib4f_nopos(indx
, values
[0], 0.0f
, 0.0f
, 1.0f
);
1367 _es_VertexAttrib2f(GLuint indx
, GLfloat x
, GLfloat y
)
1369 VertexAttrib4f_nopos(indx
, x
, y
, 0.0f
, 1.0f
);
1374 _es_VertexAttrib2fv(GLuint indx
, const GLfloat
* values
)
1376 VertexAttrib4f_nopos(indx
, values
[0], values
[1], 0.0f
, 1.0f
);
1381 _es_VertexAttrib3f(GLuint indx
, GLfloat x
, GLfloat y
, GLfloat z
)
1383 VertexAttrib4f_nopos(indx
, x
, y
, z
, 1.0f
);
1388 _es_VertexAttrib3fv(GLuint indx
, const GLfloat
* values
)
1390 VertexAttrib4f_nopos(indx
, values
[0], values
[1], values
[2], 1.0f
);
1395 _es_VertexAttrib4fv(GLuint indx
, const GLfloat
* values
)
1397 VertexAttrib4f_nopos(indx
, values
[0], values
[1], values
[2], values
[3]);