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"
56 /** ID/name for immediate-mode VBO */
57 #define IMM_BUFFER_NAME 0xaabbccdd
61 vbo_reset_all_attr(struct vbo_exec_context
*exec
);
65 * Close off the last primitive, execute the buffer, restart the
66 * primitive. This is called when we fill a vertex buffer before
69 static void vbo_exec_wrap_buffers( struct vbo_exec_context
*exec
)
71 if (exec
->vtx
.prim_count
== 0) {
72 exec
->vtx
.copied
.nr
= 0;
73 exec
->vtx
.vert_count
= 0;
74 exec
->vtx
.buffer_ptr
= exec
->vtx
.buffer_map
;
77 struct _mesa_prim
*last_prim
= &exec
->vtx
.prim
[exec
->vtx
.prim_count
- 1];
78 const GLuint last_begin
= last_prim
->begin
;
81 if (_mesa_inside_begin_end(exec
->ctx
)) {
82 last_prim
->count
= exec
->vtx
.vert_count
- last_prim
->start
;
85 last_count
= last_prim
->count
;
87 /* Special handling for wrapping GL_LINE_LOOP */
88 if (last_prim
->mode
== GL_LINE_LOOP
&&
91 /* draw this section of the incomplete line loop as a line strip */
92 last_prim
->mode
= GL_LINE_STRIP
;
93 if (!last_prim
->begin
) {
94 /* This is not the first section of the line loop, so don't
95 * draw the 0th vertex. We're saving it until we draw the
96 * very last section of the loop.
103 /* Execute the buffer and save copied vertices.
105 if (exec
->vtx
.vert_count
)
106 vbo_exec_vtx_flush( exec
, GL_FALSE
);
108 exec
->vtx
.prim_count
= 0;
109 exec
->vtx
.copied
.nr
= 0;
112 /* Emit a glBegin to start the new list.
114 assert(exec
->vtx
.prim_count
== 0);
116 if (_mesa_inside_begin_end(exec
->ctx
)) {
117 exec
->vtx
.prim
[0].mode
= exec
->ctx
->Driver
.CurrentExecPrimitive
;
118 exec
->vtx
.prim
[0].begin
= 0;
119 exec
->vtx
.prim
[0].end
= 0;
120 exec
->vtx
.prim
[0].start
= 0;
121 exec
->vtx
.prim
[0].count
= 0;
122 exec
->vtx
.prim_count
++;
124 if (exec
->vtx
.copied
.nr
== last_count
)
125 exec
->vtx
.prim
[0].begin
= last_begin
;
132 * Deal with buffer wrapping where provoked by the vertex buffer
133 * filling up, as opposed to upgrade_vertex().
136 vbo_exec_vtx_wrap(struct vbo_exec_context
*exec
)
138 unsigned numComponents
;
140 /* Run pipeline on current vertices, copy wrapped vertices
141 * to exec->vtx.copied.
143 vbo_exec_wrap_buffers( exec
);
145 if (!exec
->vtx
.buffer_ptr
) {
146 /* probably ran out of memory earlier when allocating the VBO */
150 /* Copy stored stored vertices to start of new list.
152 assert(exec
->vtx
.max_vert
- exec
->vtx
.vert_count
> exec
->vtx
.copied
.nr
);
154 numComponents
= exec
->vtx
.copied
.nr
* exec
->vtx
.vertex_size
;
155 memcpy(exec
->vtx
.buffer_ptr
,
156 exec
->vtx
.copied
.buffer
,
157 numComponents
* sizeof(fi_type
));
158 exec
->vtx
.buffer_ptr
+= numComponents
;
159 exec
->vtx
.vert_count
+= exec
->vtx
.copied
.nr
;
161 exec
->vtx
.copied
.nr
= 0;
166 * Copy the active vertex's values to the ctx->Current fields.
168 static void vbo_exec_copy_to_current( struct vbo_exec_context
*exec
)
170 struct gl_context
*ctx
= exec
->ctx
;
171 struct vbo_context
*vbo
= vbo_context(ctx
);
172 GLbitfield64 enabled
= exec
->vtx
.enabled
& (~BITFIELD64_BIT(VBO_ATTRIB_POS
));
175 const int i
= u_bit_scan64(&enabled
);
177 /* Note: the exec->vtx.current[i] pointers point into the
178 * ctx->Current.Attrib and ctx->Light.Material.Attrib arrays.
180 GLfloat
*current
= (GLfloat
*)vbo
->currval
[i
].Ptr
;
181 fi_type tmp
[8]; /* space for doubles */
182 int dmul
= exec
->vtx
.attrtype
[i
] == GL_DOUBLE
? 2 : 1;
184 assert(exec
->vtx
.attrsz
[i
]);
186 if (exec
->vtx
.attrtype
[i
] == GL_DOUBLE
) {
187 memset(tmp
, 0, sizeof(tmp
));
188 memcpy(tmp
, exec
->vtx
.attrptr
[i
], exec
->vtx
.attrsz
[i
] * sizeof(GLfloat
));
190 COPY_CLEAN_4V_TYPE_AS_UNION(tmp
,
192 exec
->vtx
.attrptr
[i
],
193 exec
->vtx
.attrtype
[i
]);
196 if (exec
->vtx
.attrtype
[i
] != vbo
->currval
[i
].Type
||
197 memcmp(current
, tmp
, 4 * sizeof(GLfloat
) * dmul
) != 0) {
198 memcpy(current
, tmp
, 4 * sizeof(GLfloat
) * dmul
);
200 /* Given that we explicitly state size here, there is no need
201 * for the COPY_CLEAN above, could just copy 16 bytes and be
202 * done. The only problem is when Mesa accesses ctx->Current
205 /* Size here is in components - not bytes */
206 vbo
->currval
[i
].Size
= exec
->vtx
.attrsz
[i
] / dmul
;
207 vbo
->currval
[i
]._ElementSize
= vbo
->currval
[i
].Size
* sizeof(GLfloat
) * dmul
;
208 vbo
->currval
[i
].Type
= exec
->vtx
.attrtype
[i
];
209 vbo
->currval
[i
].Integer
=
210 vbo_attrtype_to_integer_flag(exec
->vtx
.attrtype
[i
]);
211 vbo
->currval
[i
].Doubles
=
212 vbo_attrtype_to_double_flag(exec
->vtx
.attrtype
[i
]);
214 /* This triggers rather too much recalculation of Mesa state
215 * that doesn't get used (eg light positions).
217 if (i
>= VBO_ATTRIB_MAT_FRONT_AMBIENT
&&
218 i
<= VBO_ATTRIB_MAT_BACK_INDEXES
)
219 ctx
->NewState
|= _NEW_LIGHT
;
221 ctx
->NewState
|= _NEW_CURRENT_ATTRIB
;
225 /* Colormaterial -- this kindof sucks.
227 if (ctx
->Light
.ColorMaterialEnabled
&&
228 exec
->vtx
.attrsz
[VBO_ATTRIB_COLOR0
]) {
229 _mesa_update_color_material(ctx
,
230 ctx
->Current
.Attrib
[VBO_ATTRIB_COLOR0
]);
236 * Copy current vertex attribute values into the current vertex.
239 vbo_exec_copy_from_current(struct vbo_exec_context
*exec
)
241 struct gl_context
*ctx
= exec
->ctx
;
242 struct vbo_context
*vbo
= vbo_context(ctx
);
245 for (i
= VBO_ATTRIB_POS
+ 1; i
< VBO_ATTRIB_MAX
; i
++) {
246 if (exec
->vtx
.attrtype
[i
] == GL_DOUBLE
) {
247 memcpy(exec
->vtx
.attrptr
[i
], vbo
->currval
[i
].Ptr
, exec
->vtx
.attrsz
[i
] * sizeof(GLfloat
));
249 const fi_type
*current
= (fi_type
*) vbo
->currval
[i
].Ptr
;
250 switch (exec
->vtx
.attrsz
[i
]) {
251 case 4: exec
->vtx
.attrptr
[i
][3] = current
[3];
252 case 3: exec
->vtx
.attrptr
[i
][2] = current
[2];
253 case 2: exec
->vtx
.attrptr
[i
][1] = current
[1];
254 case 1: exec
->vtx
.attrptr
[i
][0] = current
[0];
263 * Flush existing data, set new attrib size, replay copied vertices.
264 * This is called when we transition from a small vertex attribute size
265 * to a larger one. Ex: glTexCoord2f -> glTexCoord4f.
266 * We need to go back over the previous 2-component texcoords and insert
267 * zero and one values.
270 vbo_exec_wrap_upgrade_vertex(struct vbo_exec_context
*exec
,
271 GLuint attr
, GLuint newSize
)
273 struct gl_context
*ctx
= exec
->ctx
;
274 struct vbo_context
*vbo
= vbo_context(ctx
);
275 const GLint lastcount
= exec
->vtx
.vert_count
;
276 fi_type
*old_attrptr
[VBO_ATTRIB_MAX
];
277 const GLuint old_vtx_size
= exec
->vtx
.vertex_size
; /* floats per vertex */
278 const GLuint oldSize
= exec
->vtx
.attrsz
[attr
];
281 /* Run pipeline on current vertices, copy wrapped vertices
282 * to exec->vtx.copied.
284 vbo_exec_wrap_buffers( exec
);
286 if (unlikely(exec
->vtx
.copied
.nr
)) {
287 /* We're in the middle of a primitive, keep the old vertex
288 * format around to be able to translate the copied vertices to
291 memcpy(old_attrptr
, exec
->vtx
.attrptr
, sizeof(old_attrptr
));
294 if (unlikely(oldSize
)) {
295 /* Do a COPY_TO_CURRENT to ensure back-copying works for the
296 * case when the attribute already exists in the vertex and is
297 * having its size increased.
299 vbo_exec_copy_to_current( exec
);
302 /* Heuristic: Attempt to isolate attributes received outside
303 * begin/end so that they don't bloat the vertices.
305 if (!_mesa_inside_begin_end(ctx
) &&
306 !oldSize
&& lastcount
> 8 && exec
->vtx
.vertex_size
) {
307 vbo_exec_copy_to_current( exec
);
308 vbo_reset_all_attr(exec
);
313 exec
->vtx
.attrsz
[attr
] = newSize
;
314 exec
->vtx
.vertex_size
+= newSize
- oldSize
;
315 exec
->vtx
.max_vert
= vbo_compute_max_verts(exec
);
316 exec
->vtx
.vert_count
= 0;
317 exec
->vtx
.buffer_ptr
= exec
->vtx
.buffer_map
;
318 exec
->vtx
.enabled
|= BITFIELD64_BIT(attr
);
320 if (unlikely(oldSize
)) {
321 /* Size changed, recalculate all the attrptr[] values
323 fi_type
*tmp
= exec
->vtx
.vertex
;
325 for (i
= 0 ; i
< VBO_ATTRIB_MAX
; i
++) {
326 if (exec
->vtx
.attrsz
[i
]) {
327 exec
->vtx
.attrptr
[i
] = tmp
;
328 tmp
+= exec
->vtx
.attrsz
[i
];
331 exec
->vtx
.attrptr
[i
] = NULL
; /* will not be dereferenced */
334 /* Copy from current to repopulate the vertex with correct
337 vbo_exec_copy_from_current( exec
);
340 /* Just have to append the new attribute at the end */
341 exec
->vtx
.attrptr
[attr
] = exec
->vtx
.vertex
+
342 exec
->vtx
.vertex_size
- newSize
;
345 /* Replay stored vertices to translate them
346 * to new format here.
348 * -- No need to replay - just copy piecewise
350 if (unlikely(exec
->vtx
.copied
.nr
)) {
351 fi_type
*data
= exec
->vtx
.copied
.buffer
;
352 fi_type
*dest
= exec
->vtx
.buffer_ptr
;
354 assert(exec
->vtx
.buffer_ptr
== exec
->vtx
.buffer_map
);
356 for (i
= 0 ; i
< exec
->vtx
.copied
.nr
; i
++) {
357 GLbitfield64 enabled
= exec
->vtx
.enabled
;
359 const int j
= u_bit_scan64(&enabled
);
360 GLuint sz
= exec
->vtx
.attrsz
[j
];
361 GLint old_offset
= old_attrptr
[j
] - exec
->vtx
.vertex
;
362 GLint new_offset
= exec
->vtx
.attrptr
[j
] - exec
->vtx
.vertex
;
369 COPY_CLEAN_4V_TYPE_AS_UNION(tmp
, oldSize
,
371 exec
->vtx
.attrtype
[j
]);
372 COPY_SZ_4V(dest
+ new_offset
, newSize
, tmp
);
374 fi_type
*current
= (fi_type
*)vbo
->currval
[j
].Ptr
;
375 COPY_SZ_4V(dest
+ new_offset
, sz
, current
);
379 COPY_SZ_4V(dest
+ new_offset
, sz
, data
+ old_offset
);
383 data
+= old_vtx_size
;
384 dest
+= exec
->vtx
.vertex_size
;
387 exec
->vtx
.buffer_ptr
= dest
;
388 exec
->vtx
.vert_count
+= exec
->vtx
.copied
.nr
;
389 exec
->vtx
.copied
.nr
= 0;
395 * This is when a vertex attribute transitions to a different size.
396 * For example, we saw a bunch of glTexCoord2f() calls and now we got a
397 * glTexCoord4f() call. We promote the array from size=2 to size=4.
398 * \param newSize size of new vertex (number of 32-bit words).
401 vbo_exec_fixup_vertex(struct gl_context
*ctx
, GLuint attr
,
402 GLuint newSize
, GLenum newType
)
404 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
406 if (newSize
> exec
->vtx
.attrsz
[attr
] ||
407 newType
!= exec
->vtx
.attrtype
[attr
]) {
408 /* New size is larger. Need to flush existing vertices and get
409 * an enlarged vertex format.
411 vbo_exec_wrap_upgrade_vertex( exec
, attr
, newSize
);
413 else if (newSize
< exec
->vtx
.active_sz
[attr
]) {
416 vbo_get_default_vals_as_union(exec
->vtx
.attrtype
[attr
]);
418 /* New size is smaller - just need to fill in some
419 * zeros. Don't need to flush or wrap.
421 for (i
= newSize
; i
<= exec
->vtx
.attrsz
[attr
]; i
++)
422 exec
->vtx
.attrptr
[attr
][i
-1] = id
[i
-1];
425 exec
->vtx
.active_sz
[attr
] = newSize
;
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 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; \
516 #define ERROR(err) _mesa_error( ctx, err, __func__ )
517 #define TAG(x) vbo_##x
519 #include "vbo_attrib_tmp.h"
524 * Execute a glMaterial call. Note that if GL_COLOR_MATERIAL is enabled,
525 * this may be a (partial) no-op.
527 static void GLAPIENTRY
528 vbo_Materialfv(GLenum face
, GLenum pname
, const GLfloat
*params
)
530 GLbitfield updateMats
;
531 GET_CURRENT_CONTEXT(ctx
);
533 /* This function should be a no-op when it tries to update material
534 * attributes which are currently tracking glColor via glColorMaterial.
535 * The updateMats var will be a mask of the MAT_BIT_FRONT/BACK_x bits
536 * indicating which material attributes can actually be updated below.
538 if (ctx
->Light
.ColorMaterialEnabled
) {
539 updateMats
= ~ctx
->Light
._ColorMaterialBitmask
;
542 /* GL_COLOR_MATERIAL is disabled so don't skip any material updates */
543 updateMats
= ALL_MATERIAL_BITS
;
546 if (ctx
->API
== API_OPENGL_COMPAT
&& face
== GL_FRONT
) {
547 updateMats
&= FRONT_MATERIAL_BITS
;
549 else if (ctx
->API
== API_OPENGL_COMPAT
&& face
== GL_BACK
) {
550 updateMats
&= BACK_MATERIAL_BITS
;
552 else if (face
!= GL_FRONT_AND_BACK
) {
553 _mesa_error(ctx
, GL_INVALID_ENUM
, "glMaterial(invalid face)");
559 if (updateMats
& MAT_BIT_FRONT_EMISSION
)
560 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_EMISSION
, 4, params
);
561 if (updateMats
& MAT_BIT_BACK_EMISSION
)
562 MAT_ATTR(VBO_ATTRIB_MAT_BACK_EMISSION
, 4, params
);
565 if (updateMats
& MAT_BIT_FRONT_AMBIENT
)
566 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_AMBIENT
, 4, params
);
567 if (updateMats
& MAT_BIT_BACK_AMBIENT
)
568 MAT_ATTR(VBO_ATTRIB_MAT_BACK_AMBIENT
, 4, params
);
571 if (updateMats
& MAT_BIT_FRONT_DIFFUSE
)
572 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_DIFFUSE
, 4, params
);
573 if (updateMats
& MAT_BIT_BACK_DIFFUSE
)
574 MAT_ATTR(VBO_ATTRIB_MAT_BACK_DIFFUSE
, 4, params
);
577 if (updateMats
& MAT_BIT_FRONT_SPECULAR
)
578 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_SPECULAR
, 4, params
);
579 if (updateMats
& MAT_BIT_BACK_SPECULAR
)
580 MAT_ATTR(VBO_ATTRIB_MAT_BACK_SPECULAR
, 4, params
);
583 if (*params
< 0 || *params
> ctx
->Const
.MaxShininess
) {
584 _mesa_error(ctx
, GL_INVALID_VALUE
,
585 "glMaterial(invalid shininess: %f out range [0, %f])",
586 *params
, ctx
->Const
.MaxShininess
);
589 if (updateMats
& MAT_BIT_FRONT_SHININESS
)
590 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_SHININESS
, 1, params
);
591 if (updateMats
& MAT_BIT_BACK_SHININESS
)
592 MAT_ATTR(VBO_ATTRIB_MAT_BACK_SHININESS
, 1, params
);
594 case GL_COLOR_INDEXES
:
595 if (ctx
->API
!= API_OPENGL_COMPAT
) {
596 _mesa_error(ctx
, GL_INVALID_ENUM
, "glMaterialfv(pname)");
599 if (updateMats
& MAT_BIT_FRONT_INDEXES
)
600 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_INDEXES
, 3, params
);
601 if (updateMats
& MAT_BIT_BACK_INDEXES
)
602 MAT_ATTR(VBO_ATTRIB_MAT_BACK_INDEXES
, 3, params
);
604 case GL_AMBIENT_AND_DIFFUSE
:
605 if (updateMats
& MAT_BIT_FRONT_AMBIENT
)
606 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_AMBIENT
, 4, params
);
607 if (updateMats
& MAT_BIT_FRONT_DIFFUSE
)
608 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_DIFFUSE
, 4, params
);
609 if (updateMats
& MAT_BIT_BACK_AMBIENT
)
610 MAT_ATTR(VBO_ATTRIB_MAT_BACK_AMBIENT
, 4, params
);
611 if (updateMats
& MAT_BIT_BACK_DIFFUSE
)
612 MAT_ATTR(VBO_ATTRIB_MAT_BACK_DIFFUSE
, 4, params
);
615 _mesa_error(ctx
, GL_INVALID_ENUM
, "glMaterialfv(pname)");
622 * Flush (draw) vertices.
623 * \param unmap - leave VBO unmapped after flushing?
626 vbo_exec_FlushVertices_internal(struct vbo_exec_context
*exec
, GLboolean unmap
)
628 if (exec
->vtx
.vert_count
|| unmap
) {
629 vbo_exec_vtx_flush( exec
, unmap
);
632 if (exec
->vtx
.vertex_size
) {
633 vbo_exec_copy_to_current( exec
);
634 vbo_reset_all_attr(exec
);
639 static void GLAPIENTRY
vbo_exec_EvalCoord1f( GLfloat u
)
641 GET_CURRENT_CONTEXT( ctx
);
642 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
646 if (exec
->eval
.recalculate_maps
)
647 vbo_exec_eval_update( exec
);
649 for (i
= 0; i
<= VBO_ATTRIB_TEX7
; i
++) {
650 if (exec
->eval
.map1
[i
].map
)
651 if (exec
->vtx
.active_sz
[i
] != exec
->eval
.map1
[i
].sz
)
652 vbo_exec_fixup_vertex( ctx
, i
, exec
->eval
.map1
[i
].sz
, GL_FLOAT
);
657 memcpy( exec
->vtx
.copied
.buffer
, exec
->vtx
.vertex
,
658 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
660 vbo_exec_do_EvalCoord1f( exec
, u
);
662 memcpy( exec
->vtx
.vertex
, exec
->vtx
.copied
.buffer
,
663 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
666 static void GLAPIENTRY
vbo_exec_EvalCoord2f( GLfloat u
, GLfloat v
)
668 GET_CURRENT_CONTEXT( ctx
);
669 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
673 if (exec
->eval
.recalculate_maps
)
674 vbo_exec_eval_update( exec
);
676 for (i
= 0; i
<= VBO_ATTRIB_TEX7
; i
++) {
677 if (exec
->eval
.map2
[i
].map
)
678 if (exec
->vtx
.active_sz
[i
] != exec
->eval
.map2
[i
].sz
)
679 vbo_exec_fixup_vertex( ctx
, i
, exec
->eval
.map2
[i
].sz
, GL_FLOAT
);
682 if (ctx
->Eval
.AutoNormal
)
683 if (exec
->vtx
.active_sz
[VBO_ATTRIB_NORMAL
] != 3)
684 vbo_exec_fixup_vertex( ctx
, VBO_ATTRIB_NORMAL
, 3, GL_FLOAT
);
687 memcpy( exec
->vtx
.copied
.buffer
, exec
->vtx
.vertex
,
688 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
690 vbo_exec_do_EvalCoord2f( exec
, u
, v
);
692 memcpy( exec
->vtx
.vertex
, exec
->vtx
.copied
.buffer
,
693 exec
->vtx
.vertex_size
* sizeof(GLfloat
));
696 static void GLAPIENTRY
vbo_exec_EvalCoord1fv( const GLfloat
*u
)
698 vbo_exec_EvalCoord1f( u
[0] );
701 static void GLAPIENTRY
vbo_exec_EvalCoord2fv( const GLfloat
*u
)
703 vbo_exec_EvalCoord2f( u
[0], u
[1] );
706 static void GLAPIENTRY
vbo_exec_EvalPoint1( GLint i
)
708 GET_CURRENT_CONTEXT( ctx
);
709 GLfloat du
= ((ctx
->Eval
.MapGrid1u2
- ctx
->Eval
.MapGrid1u1
) /
710 (GLfloat
) ctx
->Eval
.MapGrid1un
);
711 GLfloat u
= i
* du
+ ctx
->Eval
.MapGrid1u1
;
713 vbo_exec_EvalCoord1f( u
);
717 static void GLAPIENTRY
vbo_exec_EvalPoint2( GLint i
, GLint j
)
719 GET_CURRENT_CONTEXT( ctx
);
720 GLfloat du
= ((ctx
->Eval
.MapGrid2u2
- ctx
->Eval
.MapGrid2u1
) /
721 (GLfloat
) ctx
->Eval
.MapGrid2un
);
722 GLfloat dv
= ((ctx
->Eval
.MapGrid2v2
- ctx
->Eval
.MapGrid2v1
) /
723 (GLfloat
) ctx
->Eval
.MapGrid2vn
);
724 GLfloat u
= i
* du
+ ctx
->Eval
.MapGrid2u1
;
725 GLfloat v
= j
* dv
+ ctx
->Eval
.MapGrid2v1
;
727 vbo_exec_EvalCoord2f( u
, v
);
732 * Called via glBegin.
734 static void GLAPIENTRY
vbo_exec_Begin( GLenum mode
)
736 GET_CURRENT_CONTEXT( ctx
);
737 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
740 if (_mesa_inside_begin_end(ctx
)) {
741 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBegin");
745 if (!_mesa_valid_prim_mode(ctx
, mode
, "glBegin")) {
749 vbo_draw_method(vbo_context(ctx
), DRAW_BEGIN_END
);
752 _mesa_update_state( ctx
);
754 CALL_Begin(ctx
->Exec
, (mode
));
758 if (!_mesa_valid_to_render(ctx
, "glBegin")) {
762 /* Heuristic: attempt to isolate attributes occurring outside
765 if (exec
->vtx
.vertex_size
&& !exec
->vtx
.attrsz
[0])
766 vbo_exec_FlushVertices_internal(exec
, GL_FALSE
);
768 i
= exec
->vtx
.prim_count
++;
769 exec
->vtx
.prim
[i
].mode
= mode
;
770 exec
->vtx
.prim
[i
].begin
= 1;
771 exec
->vtx
.prim
[i
].end
= 0;
772 exec
->vtx
.prim
[i
].indexed
= 0;
773 exec
->vtx
.prim
[i
].weak
= 0;
774 exec
->vtx
.prim
[i
].pad
= 0;
775 exec
->vtx
.prim
[i
].start
= exec
->vtx
.vert_count
;
776 exec
->vtx
.prim
[i
].count
= 0;
777 exec
->vtx
.prim
[i
].num_instances
= 1;
778 exec
->vtx
.prim
[i
].base_instance
= 0;
779 exec
->vtx
.prim
[i
].is_indirect
= 0;
781 ctx
->Driver
.CurrentExecPrimitive
= mode
;
783 ctx
->Exec
= ctx
->BeginEnd
;
784 /* We may have been called from a display list, in which case we should
785 * leave dlist.c's dispatch table in place.
787 if (ctx
->CurrentDispatch
== ctx
->OutsideBeginEnd
) {
788 ctx
->CurrentDispatch
= ctx
->BeginEnd
;
789 _glapi_set_dispatch(ctx
->CurrentDispatch
);
791 assert(ctx
->CurrentDispatch
== ctx
->Save
);
797 * Try to merge / concatenate the two most recent VBO primitives.
800 try_vbo_merge(struct vbo_exec_context
*exec
)
802 struct _mesa_prim
*cur
= &exec
->vtx
.prim
[exec
->vtx
.prim_count
- 1];
804 assert(exec
->vtx
.prim_count
>= 1);
806 vbo_try_prim_conversion(cur
);
808 if (exec
->vtx
.prim_count
>= 2) {
809 struct _mesa_prim
*prev
= &exec
->vtx
.prim
[exec
->vtx
.prim_count
- 2];
810 assert(prev
== cur
- 1);
812 if (vbo_can_merge_prims(prev
, cur
)) {
817 vbo_merge_prims(prev
, cur
);
818 exec
->vtx
.prim_count
--; /* drop the last primitive */
827 static void GLAPIENTRY
vbo_exec_End( void )
829 GET_CURRENT_CONTEXT( ctx
);
830 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
832 if (!_mesa_inside_begin_end(ctx
)) {
833 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEnd");
837 ctx
->Exec
= ctx
->OutsideBeginEnd
;
838 if (ctx
->CurrentDispatch
== ctx
->BeginEnd
) {
839 ctx
->CurrentDispatch
= ctx
->OutsideBeginEnd
;
840 _glapi_set_dispatch(ctx
->CurrentDispatch
);
843 if (exec
->vtx
.prim_count
> 0) {
844 /* close off current primitive */
845 struct _mesa_prim
*last_prim
= &exec
->vtx
.prim
[exec
->vtx
.prim_count
- 1];
848 last_prim
->count
= exec
->vtx
.vert_count
- last_prim
->start
;
850 /* Special handling for GL_LINE_LOOP */
851 if (last_prim
->mode
== GL_LINE_LOOP
&& last_prim
->begin
== 0) {
852 /* We're finishing drawing a line loop. Append 0th vertex onto
853 * end of vertex buffer so we can draw it as a line strip.
855 const fi_type
*src
= exec
->vtx
.buffer_map
+
856 last_prim
->start
* exec
->vtx
.vertex_size
;
857 fi_type
*dst
= exec
->vtx
.buffer_map
+
858 exec
->vtx
.vert_count
* exec
->vtx
.vertex_size
;
860 /* copy 0th vertex to end of buffer */
861 memcpy(dst
, src
, exec
->vtx
.vertex_size
* sizeof(fi_type
));
863 last_prim
->start
++; /* skip vertex0 */
864 /* note that last_prim->count stays unchanged */
865 last_prim
->mode
= GL_LINE_STRIP
;
867 /* Increment the vertex count so the next primitive doesn't
868 * overwrite the last vertex which we just added.
870 exec
->vtx
.vert_count
++;
871 exec
->vtx
.buffer_ptr
+= exec
->vtx
.vertex_size
;
877 ctx
->Driver
.CurrentExecPrimitive
= PRIM_OUTSIDE_BEGIN_END
;
879 if (exec
->vtx
.prim_count
== VBO_MAX_PRIM
)
880 vbo_exec_vtx_flush( exec
, GL_FALSE
);
882 if (MESA_DEBUG_FLAGS
& DEBUG_ALWAYS_FLUSH
) {
889 * Called via glPrimitiveRestartNV()
891 static void GLAPIENTRY
892 vbo_exec_PrimitiveRestartNV(void)
895 GET_CURRENT_CONTEXT( ctx
);
897 curPrim
= ctx
->Driver
.CurrentExecPrimitive
;
899 if (curPrim
== PRIM_OUTSIDE_BEGIN_END
) {
900 _mesa_error( ctx
, GL_INVALID_OPERATION
, "glPrimitiveRestartNV" );
904 vbo_exec_Begin(curPrim
);
910 static void vbo_exec_vtxfmt_init( struct vbo_exec_context
*exec
)
912 struct gl_context
*ctx
= exec
->ctx
;
913 GLvertexformat
*vfmt
= &exec
->vtxfmt
;
915 vfmt
->ArrayElement
= _ae_ArrayElement
;
917 vfmt
->Begin
= vbo_exec_Begin
;
918 vfmt
->End
= vbo_exec_End
;
919 vfmt
->PrimitiveRestartNV
= vbo_exec_PrimitiveRestartNV
;
921 vfmt
->CallList
= _mesa_CallList
;
922 vfmt
->CallLists
= _mesa_CallLists
;
924 vfmt
->EvalCoord1f
= vbo_exec_EvalCoord1f
;
925 vfmt
->EvalCoord1fv
= vbo_exec_EvalCoord1fv
;
926 vfmt
->EvalCoord2f
= vbo_exec_EvalCoord2f
;
927 vfmt
->EvalCoord2fv
= vbo_exec_EvalCoord2fv
;
928 vfmt
->EvalPoint1
= vbo_exec_EvalPoint1
;
929 vfmt
->EvalPoint2
= vbo_exec_EvalPoint2
;
931 /* from attrib_tmp.h:
933 vfmt
->Color3f
= vbo_Color3f
;
934 vfmt
->Color3fv
= vbo_Color3fv
;
935 vfmt
->Color4f
= vbo_Color4f
;
936 vfmt
->Color4fv
= vbo_Color4fv
;
937 vfmt
->FogCoordfEXT
= vbo_FogCoordfEXT
;
938 vfmt
->FogCoordfvEXT
= vbo_FogCoordfvEXT
;
939 vfmt
->MultiTexCoord1fARB
= vbo_MultiTexCoord1f
;
940 vfmt
->MultiTexCoord1fvARB
= vbo_MultiTexCoord1fv
;
941 vfmt
->MultiTexCoord2fARB
= vbo_MultiTexCoord2f
;
942 vfmt
->MultiTexCoord2fvARB
= vbo_MultiTexCoord2fv
;
943 vfmt
->MultiTexCoord3fARB
= vbo_MultiTexCoord3f
;
944 vfmt
->MultiTexCoord3fvARB
= vbo_MultiTexCoord3fv
;
945 vfmt
->MultiTexCoord4fARB
= vbo_MultiTexCoord4f
;
946 vfmt
->MultiTexCoord4fvARB
= vbo_MultiTexCoord4fv
;
947 vfmt
->Normal3f
= vbo_Normal3f
;
948 vfmt
->Normal3fv
= vbo_Normal3fv
;
949 vfmt
->SecondaryColor3fEXT
= vbo_SecondaryColor3fEXT
;
950 vfmt
->SecondaryColor3fvEXT
= vbo_SecondaryColor3fvEXT
;
951 vfmt
->TexCoord1f
= vbo_TexCoord1f
;
952 vfmt
->TexCoord1fv
= vbo_TexCoord1fv
;
953 vfmt
->TexCoord2f
= vbo_TexCoord2f
;
954 vfmt
->TexCoord2fv
= vbo_TexCoord2fv
;
955 vfmt
->TexCoord3f
= vbo_TexCoord3f
;
956 vfmt
->TexCoord3fv
= vbo_TexCoord3fv
;
957 vfmt
->TexCoord4f
= vbo_TexCoord4f
;
958 vfmt
->TexCoord4fv
= vbo_TexCoord4fv
;
959 vfmt
->Vertex2f
= vbo_Vertex2f
;
960 vfmt
->Vertex2fv
= vbo_Vertex2fv
;
961 vfmt
->Vertex3f
= vbo_Vertex3f
;
962 vfmt
->Vertex3fv
= vbo_Vertex3fv
;
963 vfmt
->Vertex4f
= vbo_Vertex4f
;
964 vfmt
->Vertex4fv
= vbo_Vertex4fv
;
966 if (ctx
->API
== API_OPENGLES2
) {
967 vfmt
->VertexAttrib1fARB
= _es_VertexAttrib1f
;
968 vfmt
->VertexAttrib1fvARB
= _es_VertexAttrib1fv
;
969 vfmt
->VertexAttrib2fARB
= _es_VertexAttrib2f
;
970 vfmt
->VertexAttrib2fvARB
= _es_VertexAttrib2fv
;
971 vfmt
->VertexAttrib3fARB
= _es_VertexAttrib3f
;
972 vfmt
->VertexAttrib3fvARB
= _es_VertexAttrib3fv
;
973 vfmt
->VertexAttrib4fARB
= _es_VertexAttrib4f
;
974 vfmt
->VertexAttrib4fvARB
= _es_VertexAttrib4fv
;
976 vfmt
->VertexAttrib1fARB
= vbo_VertexAttrib1fARB
;
977 vfmt
->VertexAttrib1fvARB
= vbo_VertexAttrib1fvARB
;
978 vfmt
->VertexAttrib2fARB
= vbo_VertexAttrib2fARB
;
979 vfmt
->VertexAttrib2fvARB
= vbo_VertexAttrib2fvARB
;
980 vfmt
->VertexAttrib3fARB
= vbo_VertexAttrib3fARB
;
981 vfmt
->VertexAttrib3fvARB
= vbo_VertexAttrib3fvARB
;
982 vfmt
->VertexAttrib4fARB
= vbo_VertexAttrib4fARB
;
983 vfmt
->VertexAttrib4fvARB
= vbo_VertexAttrib4fvARB
;
986 /* Note that VertexAttrib4fNV is used from dlist.c and api_arrayelt.c so
987 * they can have a single entrypoint for updating any of the legacy
990 vfmt
->VertexAttrib1fNV
= vbo_VertexAttrib1fNV
;
991 vfmt
->VertexAttrib1fvNV
= vbo_VertexAttrib1fvNV
;
992 vfmt
->VertexAttrib2fNV
= vbo_VertexAttrib2fNV
;
993 vfmt
->VertexAttrib2fvNV
= vbo_VertexAttrib2fvNV
;
994 vfmt
->VertexAttrib3fNV
= vbo_VertexAttrib3fNV
;
995 vfmt
->VertexAttrib3fvNV
= vbo_VertexAttrib3fvNV
;
996 vfmt
->VertexAttrib4fNV
= vbo_VertexAttrib4fNV
;
997 vfmt
->VertexAttrib4fvNV
= vbo_VertexAttrib4fvNV
;
1000 vfmt
->VertexAttribI1i
= vbo_VertexAttribI1i
;
1001 vfmt
->VertexAttribI2i
= vbo_VertexAttribI2i
;
1002 vfmt
->VertexAttribI3i
= vbo_VertexAttribI3i
;
1003 vfmt
->VertexAttribI4i
= vbo_VertexAttribI4i
;
1004 vfmt
->VertexAttribI2iv
= vbo_VertexAttribI2iv
;
1005 vfmt
->VertexAttribI3iv
= vbo_VertexAttribI3iv
;
1006 vfmt
->VertexAttribI4iv
= vbo_VertexAttribI4iv
;
1008 /* unsigned integer-valued */
1009 vfmt
->VertexAttribI1ui
= vbo_VertexAttribI1ui
;
1010 vfmt
->VertexAttribI2ui
= vbo_VertexAttribI2ui
;
1011 vfmt
->VertexAttribI3ui
= vbo_VertexAttribI3ui
;
1012 vfmt
->VertexAttribI4ui
= vbo_VertexAttribI4ui
;
1013 vfmt
->VertexAttribI2uiv
= vbo_VertexAttribI2uiv
;
1014 vfmt
->VertexAttribI3uiv
= vbo_VertexAttribI3uiv
;
1015 vfmt
->VertexAttribI4uiv
= vbo_VertexAttribI4uiv
;
1017 vfmt
->Materialfv
= vbo_Materialfv
;
1019 vfmt
->EdgeFlag
= vbo_EdgeFlag
;
1020 vfmt
->Indexf
= vbo_Indexf
;
1021 vfmt
->Indexfv
= vbo_Indexfv
;
1023 /* ARB_vertex_type_2_10_10_10_rev */
1024 vfmt
->VertexP2ui
= vbo_VertexP2ui
;
1025 vfmt
->VertexP2uiv
= vbo_VertexP2uiv
;
1026 vfmt
->VertexP3ui
= vbo_VertexP3ui
;
1027 vfmt
->VertexP3uiv
= vbo_VertexP3uiv
;
1028 vfmt
->VertexP4ui
= vbo_VertexP4ui
;
1029 vfmt
->VertexP4uiv
= vbo_VertexP4uiv
;
1031 vfmt
->TexCoordP1ui
= vbo_TexCoordP1ui
;
1032 vfmt
->TexCoordP1uiv
= vbo_TexCoordP1uiv
;
1033 vfmt
->TexCoordP2ui
= vbo_TexCoordP2ui
;
1034 vfmt
->TexCoordP2uiv
= vbo_TexCoordP2uiv
;
1035 vfmt
->TexCoordP3ui
= vbo_TexCoordP3ui
;
1036 vfmt
->TexCoordP3uiv
= vbo_TexCoordP3uiv
;
1037 vfmt
->TexCoordP4ui
= vbo_TexCoordP4ui
;
1038 vfmt
->TexCoordP4uiv
= vbo_TexCoordP4uiv
;
1040 vfmt
->MultiTexCoordP1ui
= vbo_MultiTexCoordP1ui
;
1041 vfmt
->MultiTexCoordP1uiv
= vbo_MultiTexCoordP1uiv
;
1042 vfmt
->MultiTexCoordP2ui
= vbo_MultiTexCoordP2ui
;
1043 vfmt
->MultiTexCoordP2uiv
= vbo_MultiTexCoordP2uiv
;
1044 vfmt
->MultiTexCoordP3ui
= vbo_MultiTexCoordP3ui
;
1045 vfmt
->MultiTexCoordP3uiv
= vbo_MultiTexCoordP3uiv
;
1046 vfmt
->MultiTexCoordP4ui
= vbo_MultiTexCoordP4ui
;
1047 vfmt
->MultiTexCoordP4uiv
= vbo_MultiTexCoordP4uiv
;
1049 vfmt
->NormalP3ui
= vbo_NormalP3ui
;
1050 vfmt
->NormalP3uiv
= vbo_NormalP3uiv
;
1052 vfmt
->ColorP3ui
= vbo_ColorP3ui
;
1053 vfmt
->ColorP3uiv
= vbo_ColorP3uiv
;
1054 vfmt
->ColorP4ui
= vbo_ColorP4ui
;
1055 vfmt
->ColorP4uiv
= vbo_ColorP4uiv
;
1057 vfmt
->SecondaryColorP3ui
= vbo_SecondaryColorP3ui
;
1058 vfmt
->SecondaryColorP3uiv
= vbo_SecondaryColorP3uiv
;
1060 vfmt
->VertexAttribP1ui
= vbo_VertexAttribP1ui
;
1061 vfmt
->VertexAttribP1uiv
= vbo_VertexAttribP1uiv
;
1062 vfmt
->VertexAttribP2ui
= vbo_VertexAttribP2ui
;
1063 vfmt
->VertexAttribP2uiv
= vbo_VertexAttribP2uiv
;
1064 vfmt
->VertexAttribP3ui
= vbo_VertexAttribP3ui
;
1065 vfmt
->VertexAttribP3uiv
= vbo_VertexAttribP3uiv
;
1066 vfmt
->VertexAttribP4ui
= vbo_VertexAttribP4ui
;
1067 vfmt
->VertexAttribP4uiv
= vbo_VertexAttribP4uiv
;
1069 vfmt
->VertexAttribL1d
= vbo_VertexAttribL1d
;
1070 vfmt
->VertexAttribL2d
= vbo_VertexAttribL2d
;
1071 vfmt
->VertexAttribL3d
= vbo_VertexAttribL3d
;
1072 vfmt
->VertexAttribL4d
= vbo_VertexAttribL4d
;
1074 vfmt
->VertexAttribL1dv
= vbo_VertexAttribL1dv
;
1075 vfmt
->VertexAttribL2dv
= vbo_VertexAttribL2dv
;
1076 vfmt
->VertexAttribL3dv
= vbo_VertexAttribL3dv
;
1077 vfmt
->VertexAttribL4dv
= vbo_VertexAttribL4dv
;
1082 * Tell the VBO module to use a real OpenGL vertex buffer object to
1083 * store accumulated immediate-mode vertex data.
1084 * This replaces the malloced buffer which was created in
1085 * vb_exec_vtx_init() below.
1087 void vbo_use_buffer_objects(struct gl_context
*ctx
)
1089 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1090 /* Any buffer name but 0 can be used here since this bufferobj won't
1091 * go into the bufferobj hashtable.
1093 GLuint bufName
= IMM_BUFFER_NAME
;
1094 GLenum target
= GL_ARRAY_BUFFER_ARB
;
1095 GLenum usage
= GL_STREAM_DRAW_ARB
;
1096 GLsizei size
= VBO_VERT_BUFFER_SIZE
;
1098 /* Make sure this func is only used once */
1099 assert(exec
->vtx
.bufferobj
== ctx
->Shared
->NullBufferObj
);
1101 _mesa_align_free(exec
->vtx
.buffer_map
);
1102 exec
->vtx
.buffer_map
= NULL
;
1103 exec
->vtx
.buffer_ptr
= NULL
;
1105 /* Allocate a real buffer object now */
1106 _mesa_reference_buffer_object(ctx
, &exec
->vtx
.bufferobj
, NULL
);
1107 exec
->vtx
.bufferobj
= ctx
->Driver
.NewBufferObject(ctx
, bufName
);
1108 if (!ctx
->Driver
.BufferData(ctx
, target
, size
, NULL
, usage
,
1110 GL_DYNAMIC_STORAGE_BIT
|
1111 GL_CLIENT_STORAGE_BIT
,
1112 exec
->vtx
.bufferobj
)) {
1113 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "VBO allocation");
1119 * If this function is called, all VBO buffers will be unmapped when
1121 * Otherwise, if a simple command like glColor3f() is called and we flush,
1122 * the current VBO may be left mapped.
1125 vbo_always_unmap_buffers(struct gl_context
*ctx
)
1127 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1128 exec
->begin_vertices_flags
|= FLUSH_STORED_VERTICES
;
1132 void vbo_exec_vtx_init( struct vbo_exec_context
*exec
)
1134 struct gl_context
*ctx
= exec
->ctx
;
1135 struct vbo_context
*vbo
= vbo_context(ctx
);
1138 /* Allocate a buffer object. Will just reuse this object
1139 * continuously, unless vbo_use_buffer_objects() is called to enable
1142 _mesa_reference_buffer_object(ctx
,
1143 &exec
->vtx
.bufferobj
,
1144 ctx
->Shared
->NullBufferObj
);
1146 assert(!exec
->vtx
.buffer_map
);
1147 exec
->vtx
.buffer_map
= _mesa_align_malloc(VBO_VERT_BUFFER_SIZE
, 64);
1148 exec
->vtx
.buffer_ptr
= exec
->vtx
.buffer_map
;
1150 vbo_exec_vtxfmt_init( exec
);
1151 _mesa_noop_vtxfmt_init(&exec
->vtxfmt_noop
);
1153 exec
->vtx
.enabled
= 0;
1154 for (i
= 0 ; i
< VBO_ATTRIB_MAX
; i
++) {
1155 assert(i
< ARRAY_SIZE(exec
->vtx
.attrsz
));
1156 exec
->vtx
.attrsz
[i
] = 0;
1157 assert(i
< ARRAY_SIZE(exec
->vtx
.attrtype
));
1158 exec
->vtx
.attrtype
[i
] = GL_FLOAT
;
1159 assert(i
< ARRAY_SIZE(exec
->vtx
.active_sz
));
1160 exec
->vtx
.active_sz
[i
] = 0;
1162 for (i
= 0 ; i
< VERT_ATTRIB_MAX
; i
++) {
1163 assert(i
< ARRAY_SIZE(exec
->vtx
.inputs
));
1164 assert(i
< ARRAY_SIZE(exec
->vtx
.arrays
));
1165 exec
->vtx
.inputs
[i
] = &exec
->vtx
.arrays
[i
];
1169 struct gl_client_array
*arrays
= exec
->vtx
.arrays
;
1172 memcpy(arrays
, &vbo
->currval
[VBO_ATTRIB_POS
],
1173 VERT_ATTRIB_FF_MAX
* sizeof(arrays
[0]));
1174 for (i
= 0; i
< VERT_ATTRIB_FF_MAX
; ++i
) {
1175 struct gl_client_array
*array
;
1176 array
= &arrays
[VERT_ATTRIB_FF(i
)];
1177 array
->BufferObj
= NULL
;
1178 _mesa_reference_buffer_object(ctx
, &array
->BufferObj
,
1179 vbo
->currval
[VBO_ATTRIB_POS
+i
].BufferObj
);
1182 memcpy(arrays
+ VERT_ATTRIB_GENERIC(0),
1183 &vbo
->currval
[VBO_ATTRIB_GENERIC0
],
1184 VERT_ATTRIB_GENERIC_MAX
* sizeof(arrays
[0]));
1186 for (i
= 0; i
< VERT_ATTRIB_GENERIC_MAX
; ++i
) {
1187 struct gl_client_array
*array
;
1188 array
= &arrays
[VERT_ATTRIB_GENERIC(i
)];
1189 array
->BufferObj
= NULL
;
1190 _mesa_reference_buffer_object(ctx
, &array
->BufferObj
,
1191 vbo
->currval
[VBO_ATTRIB_GENERIC0
+i
].BufferObj
);
1195 exec
->vtx
.vertex_size
= 0;
1197 exec
->begin_vertices_flags
= FLUSH_UPDATE_CURRENT
;
1201 void vbo_exec_vtx_destroy( struct vbo_exec_context
*exec
)
1203 /* using a real VBO for vertex data */
1204 struct gl_context
*ctx
= exec
->ctx
;
1207 /* True VBOs should already be unmapped
1209 if (exec
->vtx
.buffer_map
) {
1210 assert(exec
->vtx
.bufferobj
->Name
== 0 ||
1211 exec
->vtx
.bufferobj
->Name
== IMM_BUFFER_NAME
);
1212 if (exec
->vtx
.bufferobj
->Name
== 0) {
1213 _mesa_align_free(exec
->vtx
.buffer_map
);
1214 exec
->vtx
.buffer_map
= NULL
;
1215 exec
->vtx
.buffer_ptr
= NULL
;
1219 /* Drop any outstanding reference to the vertex buffer
1221 for (i
= 0; i
< ARRAY_SIZE(exec
->vtx
.arrays
); i
++) {
1222 _mesa_reference_buffer_object(ctx
,
1223 &exec
->vtx
.arrays
[i
].BufferObj
,
1227 /* Free the vertex buffer. Unmap first if needed.
1229 if (_mesa_bufferobj_mapped(exec
->vtx
.bufferobj
, MAP_INTERNAL
)) {
1230 ctx
->Driver
.UnmapBuffer(ctx
, exec
->vtx
.bufferobj
, MAP_INTERNAL
);
1232 _mesa_reference_buffer_object(ctx
, &exec
->vtx
.bufferobj
, NULL
);
1237 * If inside glBegin()/glEnd(), it should assert(0). Otherwise, if
1238 * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered
1239 * vertices, if FLUSH_UPDATE_CURRENT bit is set updates
1240 * __struct gl_contextRec::Current and gl_light_attrib::Material
1242 * Note that the default T&L engine never clears the
1243 * FLUSH_UPDATE_CURRENT bit, even after performing the update.
1245 * \param flags bitmask of FLUSH_STORED_VERTICES, FLUSH_UPDATE_CURRENT
1247 void vbo_exec_FlushVertices( struct gl_context
*ctx
, GLuint flags
)
1249 struct vbo_exec_context
*exec
= &vbo_context(ctx
)->exec
;
1252 /* debug check: make sure we don't get called recursively */
1253 exec
->flush_call_depth
++;
1254 assert(exec
->flush_call_depth
== 1);
1257 if (_mesa_inside_begin_end(ctx
)) {
1258 /* We've had glBegin but not glEnd! */
1260 exec
->flush_call_depth
--;
1261 assert(exec
->flush_call_depth
== 0);
1266 /* Flush (draw), and make sure VBO is left unmapped when done */
1267 vbo_exec_FlushVertices_internal(exec
, GL_TRUE
);
1269 /* Need to do this to ensure vbo_exec_begin_vertices gets called again:
1271 ctx
->Driver
.NeedFlush
&= ~(FLUSH_UPDATE_CURRENT
| flags
);
1274 exec
->flush_call_depth
--;
1275 assert(exec
->flush_call_depth
== 0);
1280 * Reset the vertex attribute by setting its size to zero.
1283 vbo_reset_attr(struct vbo_exec_context
*exec
, GLuint attr
)
1285 exec
->vtx
.attrsz
[attr
] = 0;
1286 exec
->vtx
.attrtype
[attr
] = GL_FLOAT
;
1287 exec
->vtx
.active_sz
[attr
] = 0;
1291 vbo_reset_all_attr(struct vbo_exec_context
*exec
)
1293 while (exec
->vtx
.enabled
) {
1294 const int i
= u_bit_scan64(&exec
->vtx
.enabled
);
1295 vbo_reset_attr(exec
, i
);
1298 exec
->vtx
.vertex_size
= 0;
1303 _es_Color4f(GLfloat r
, GLfloat g
, GLfloat b
, GLfloat a
)
1305 vbo_Color4f(r
, g
, b
, a
);
1310 _es_Normal3f(GLfloat x
, GLfloat y
, GLfloat z
)
1312 vbo_Normal3f(x
, y
, z
);
1317 _es_MultiTexCoord4f(GLenum target
, GLfloat s
, GLfloat t
, GLfloat r
, GLfloat q
)
1319 vbo_MultiTexCoord4f(target
, s
, t
, r
, q
);
1324 _es_Materialfv(GLenum face
, GLenum pname
, const GLfloat
*params
)
1326 vbo_Materialfv(face
, pname
, params
);
1331 _es_Materialf(GLenum face
, GLenum pname
, GLfloat param
)
1335 p
[1] = p
[2] = p
[3] = 0.0F
;
1336 vbo_Materialfv(face
, pname
, p
);
1341 * A special version of glVertexAttrib4f that does not treat index 0 as
1345 VertexAttrib4f_nopos(GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
)
1347 GET_CURRENT_CONTEXT(ctx
);
1348 if (index
< MAX_VERTEX_GENERIC_ATTRIBS
)
1349 ATTRF(VBO_ATTRIB_GENERIC0
+ index
, 4, x
, y
, z
, w
);
1351 ERROR(GL_INVALID_VALUE
);
1355 _es_VertexAttrib4f(GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
)
1357 VertexAttrib4f_nopos(index
, x
, y
, z
, w
);
1362 _es_VertexAttrib1f(GLuint indx
, GLfloat x
)
1364 VertexAttrib4f_nopos(indx
, x
, 0.0f
, 0.0f
, 1.0f
);
1369 _es_VertexAttrib1fv(GLuint indx
, const GLfloat
* values
)
1371 VertexAttrib4f_nopos(indx
, values
[0], 0.0f
, 0.0f
, 1.0f
);
1376 _es_VertexAttrib2f(GLuint indx
, GLfloat x
, GLfloat y
)
1378 VertexAttrib4f_nopos(indx
, x
, y
, 0.0f
, 1.0f
);
1383 _es_VertexAttrib2fv(GLuint indx
, const GLfloat
* values
)
1385 VertexAttrib4f_nopos(indx
, values
[0], values
[1], 0.0f
, 1.0f
);
1390 _es_VertexAttrib3f(GLuint indx
, GLfloat x
, GLfloat y
, GLfloat z
)
1392 VertexAttrib4f_nopos(indx
, x
, y
, z
, 1.0f
);
1397 _es_VertexAttrib3fv(GLuint indx
, const GLfloat
* values
)
1399 VertexAttrib4f_nopos(indx
, values
[0], values
[1], values
[2], 1.0f
);
1404 _es_VertexAttrib4fv(GLuint indx
, const GLfloat
* values
)
1406 VertexAttrib4f_nopos(indx
, values
[0], values
[1], values
[2], values
[3]);