1 /**************************************************************************
3 Copyright 2002-2008 Tungsten Graphics Inc., Cedar Park, Texas.
7 Permission is hereby granted, free of charge, to any person obtaining a
8 copy of this software and associated documentation files (the "Software"),
9 to deal in the Software without restriction, including without limitation
10 on the rights to use, copy, modify, merge, publish, distribute, sub
11 license, and/or sell copies of the Software, and to permit persons to whom
12 the Software is furnished to do so, subject to the following conditions:
14 The above copyright notice and this permission notice (including the next
15 paragraph) shall be included in all copies or substantial portions of the
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * Keith Whitwell <keith@tungstengraphics.com>
33 #include "main/glheader.h"
34 #include "main/bufferobj.h"
35 #include "main/context.h"
36 #include "main/macros.h"
37 #include "main/mfeatures.h"
38 #include "main/vtxfmt.h"
39 #include "main/dlist.h"
40 #include "main/eval.h"
41 #include "main/state.h"
42 #include "main/light.h"
43 #include "main/api_arrayelt.h"
44 #include "main/api_noop.h"
45 #include "main/dispatch.h"
47 #include "vbo_context.h"
54 /** ID/name for immediate-mode VBO */
55 #define IMM_BUFFER_NAME 0xaabbccdd
58 static void reset_attrfv( struct vbo_exec_context *exec );
62 * Close off the last primitive, execute the buffer, restart the
65 static void 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 GLuint last_begin = exec->vtx.prim[exec->vtx.prim_count-1].begin;
76 if (exec->ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) {
77 GLint i = exec->vtx.prim_count - 1;
79 exec->vtx.prim[i].count = (exec->vtx.vert_count -
80 exec->vtx.prim[i].start);
83 last_count = exec->vtx.prim[exec->vtx.prim_count-1].count;
85 /* Execute the buffer and save copied vertices.
87 if (exec->vtx.vert_count)
88 vbo_exec_vtx_flush( exec, GL_FALSE );
90 exec->vtx.prim_count = 0;
91 exec->vtx.copied.nr = 0;
94 /* Emit a glBegin to start the new list.
96 assert(exec->vtx.prim_count == 0);
98 if (exec->ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) {
99 exec->vtx.prim[0].mode = exec->ctx->Driver.CurrentExecPrimitive;
100 exec->vtx.prim[0].start = 0;
101 exec->vtx.prim[0].count = 0;
102 exec->vtx.prim_count++;
104 if (exec->vtx.copied.nr == last_count)
105 exec->vtx.prim[0].begin = last_begin;
112 * Deal with buffer wrapping where provoked by the vertex buffer
113 * filling up, as opposed to upgrade_vertex().
115 void vbo_exec_vtx_wrap( struct vbo_exec_context *exec )
117 GLfloat *data = exec->vtx.copied.buffer;
120 /* Run pipeline on current vertices, copy wrapped vertices
121 * to exec->vtx.copied.
123 vbo_exec_wrap_buffers( exec );
125 /* Copy stored stored vertices to start of new list.
127 assert(exec->vtx.max_vert - exec->vtx.vert_count > exec->vtx.copied.nr);
129 for (i = 0 ; i < exec->vtx.copied.nr ; i++) {
130 memcpy( exec->vtx.buffer_ptr, data,
131 exec->vtx.vertex_size * sizeof(GLfloat));
132 exec->vtx.buffer_ptr += exec->vtx.vertex_size;
133 data += exec->vtx.vertex_size;
134 exec->vtx.vert_count++;
137 exec->vtx.copied.nr = 0;
142 * Copy the active vertex's values to the ctx->Current fields.
144 static void vbo_exec_copy_to_current( struct vbo_exec_context *exec )
146 struct gl_context *ctx = exec->ctx;
147 struct vbo_context *vbo = vbo_context(ctx);
150 for (i = VBO_ATTRIB_POS+1 ; i < VBO_ATTRIB_MAX ; i++) {
151 if (exec->vtx.attrsz[i]) {
152 /* Note: the exec->vtx.current[i] pointers point into the
153 * ctx->Current.Attrib and ctx->Light.Material.Attrib arrays.
155 GLfloat *current = (GLfloat *)vbo->currval[i].Ptr;
160 exec->vtx.attrptr[i]);
162 if (memcmp(current, tmp, sizeof(tmp)) != 0) {
163 memcpy(current, tmp, sizeof(tmp));
165 /* Given that we explicitly state size here, there is no need
166 * for the COPY_CLEAN above, could just copy 16 bytes and be
167 * done. The only problem is when Mesa accesses ctx->Current
170 vbo->currval[i].Size = exec->vtx.attrsz[i];
171 assert(vbo->currval[i].Type == GL_FLOAT);
172 vbo->currval[i]._ElementSize = vbo->currval[i].Size * sizeof(GLfloat);
174 /* This triggers rather too much recalculation of Mesa state
175 * that doesn't get used (eg light positions).
177 if (i >= VBO_ATTRIB_MAT_FRONT_AMBIENT &&
178 i <= VBO_ATTRIB_MAT_BACK_INDEXES)
179 ctx->NewState |= _NEW_LIGHT;
181 ctx->NewState |= _NEW_CURRENT_ATTRIB;
186 /* Colormaterial -- this kindof sucks.
188 if (ctx->Light.ColorMaterialEnabled &&
189 exec->vtx.attrsz[VBO_ATTRIB_COLOR0]) {
190 _mesa_update_color_material(ctx,
191 ctx->Current.Attrib[VBO_ATTRIB_COLOR0]);
197 * Copy current vertex attribute values into the current vertex.
200 vbo_exec_copy_from_current(struct vbo_exec_context *exec)
202 struct gl_context *ctx = exec->ctx;
203 struct vbo_context *vbo = vbo_context(ctx);
206 for (i = VBO_ATTRIB_POS + 1; i < VBO_ATTRIB_MAX; i++) {
207 const GLfloat *current = (GLfloat *) vbo->currval[i].Ptr;
208 switch (exec->vtx.attrsz[i]) {
209 case 4: exec->vtx.attrptr[i][3] = current[3];
210 case 3: exec->vtx.attrptr[i][2] = current[2];
211 case 2: exec->vtx.attrptr[i][1] = current[1];
212 case 1: exec->vtx.attrptr[i][0] = current[0];
220 * Flush existing data, set new attrib size, replay copied vertices.
221 * This is called when we transition from a small vertex attribute size
222 * to a larger one. Ex: glTexCoord2f -> glTexCoord4f.
223 * We need to go back over the previous 2-component texcoords and insert
224 * zero and one values.
227 vbo_exec_wrap_upgrade_vertex(struct vbo_exec_context *exec,
228 GLuint attr, GLuint newSize )
230 struct gl_context *ctx = exec->ctx;
231 struct vbo_context *vbo = vbo_context(ctx);
232 const GLint lastcount = exec->vtx.vert_count;
233 GLfloat *old_attrptr[VBO_ATTRIB_MAX];
234 const GLuint old_vtx_size = exec->vtx.vertex_size; /* floats per vertex */
235 const GLuint oldSize = exec->vtx.attrsz[attr];
238 /* Run pipeline on current vertices, copy wrapped vertices
239 * to exec->vtx.copied.
241 vbo_exec_wrap_buffers( exec );
243 if (unlikely(exec->vtx.copied.nr)) {
244 /* We're in the middle of a primitive, keep the old vertex
245 * format around to be able to translate the copied vertices to
248 memcpy(old_attrptr, exec->vtx.attrptr, sizeof(old_attrptr));
251 if (unlikely(oldSize)) {
252 /* Do a COPY_TO_CURRENT to ensure back-copying works for the
253 * case when the attribute already exists in the vertex and is
254 * having its size increased.
256 vbo_exec_copy_to_current( exec );
259 /* Heuristic: Attempt to isolate attributes received outside
260 * begin/end so that they don't bloat the vertices.
262 if (ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END &&
263 !oldSize && lastcount > 8 && exec->vtx.vertex_size) {
264 vbo_exec_copy_to_current( exec );
265 reset_attrfv( exec );
270 exec->vtx.attrsz[attr] = newSize;
271 exec->vtx.vertex_size += newSize - oldSize;
272 exec->vtx.max_vert = ((VBO_VERT_BUFFER_SIZE - exec->vtx.buffer_used) /
273 (exec->vtx.vertex_size * sizeof(GLfloat)));
274 exec->vtx.vert_count = 0;
275 exec->vtx.buffer_ptr = exec->vtx.buffer_map;
277 if (unlikely(oldSize)) {
278 /* Size changed, recalculate all the attrptr[] values
280 GLfloat *tmp = exec->vtx.vertex;
282 for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) {
283 if (exec->vtx.attrsz[i]) {
284 exec->vtx.attrptr[i] = tmp;
285 tmp += exec->vtx.attrsz[i];
288 exec->vtx.attrptr[i] = NULL; /* will not be dereferenced */
291 /* Copy from current to repopulate the vertex with correct
294 vbo_exec_copy_from_current( exec );
297 /* Just have to append the new attribute at the end */
298 exec->vtx.attrptr[attr] = exec->vtx.vertex +
299 exec->vtx.vertex_size - newSize;
302 /* Replay stored vertices to translate them
303 * to new format here.
305 * -- No need to replay - just copy piecewise
307 if (unlikely(exec->vtx.copied.nr)) {
308 GLfloat *data = exec->vtx.copied.buffer;
309 GLfloat *dest = exec->vtx.buffer_ptr;
312 assert(exec->vtx.buffer_ptr == exec->vtx.buffer_map);
314 for (i = 0 ; i < exec->vtx.copied.nr ; i++) {
315 for (j = 0 ; j < VBO_ATTRIB_MAX ; j++) {
316 GLuint sz = exec->vtx.attrsz[j];
319 GLint old_offset = old_attrptr[j] - exec->vtx.vertex;
320 GLint new_offset = exec->vtx.attrptr[j] - exec->vtx.vertex;
325 COPY_CLEAN_4V(tmp, oldSize, data + old_offset);
326 COPY_SZ_4V(dest + new_offset, newSize, tmp);
328 GLfloat *current = (GLfloat *)vbo->currval[j].Ptr;
329 COPY_SZ_4V(dest + new_offset, sz, current);
333 COPY_SZ_4V(dest + new_offset, sz, data + old_offset);
338 data += old_vtx_size;
339 dest += exec->vtx.vertex_size;
342 exec->vtx.buffer_ptr = dest;
343 exec->vtx.vert_count += exec->vtx.copied.nr;
344 exec->vtx.copied.nr = 0;
350 * This is when a vertex attribute transitions to a different size.
351 * For example, we saw a bunch of glTexCoord2f() calls and now we got a
352 * glTexCoord4f() call. We promote the array from size=2 to size=4.
355 vbo_exec_fixup_vertex(struct gl_context *ctx, GLuint attr, GLuint newSize)
357 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
359 if (newSize > exec->vtx.attrsz[attr]) {
360 /* New size is larger. Need to flush existing vertices and get
361 * an enlarged vertex format.
363 vbo_exec_wrap_upgrade_vertex( exec, attr, newSize );
365 else if (newSize < exec->vtx.active_sz[attr]) {
366 static const GLfloat id[4] = { 0, 0, 0, 1 };
369 /* New size is smaller - just need to fill in some
370 * zeros. Don't need to flush or wrap.
372 for (i = newSize; i <= exec->vtx.attrsz[attr]; i++)
373 exec->vtx.attrptr[attr][i-1] = id[i-1];
376 exec->vtx.active_sz[attr] = newSize;
378 /* Does setting NeedFlush belong here? Necessitates resetting
379 * vtxfmt on each flush (otherwise flags won't get reset
383 ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES;
388 * This macro is used to implement all the glVertex, glColor, glTexCoord,
389 * glVertexAttrib, etc functions.
391 #define ATTR( A, N, V0, V1, V2, V3 ) \
393 struct vbo_exec_context *exec = &vbo_context(ctx)->exec; \
395 if (unlikely(!(ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT))) \
396 ctx->Driver.BeginVertices( ctx ); \
398 if (unlikely(exec->vtx.active_sz[A] != N)) \
399 vbo_exec_fixup_vertex(ctx, A, N); \
402 GLfloat *dest = exec->vtx.attrptr[A]; \
403 if (N>0) dest[0] = V0; \
404 if (N>1) dest[1] = V1; \
405 if (N>2) dest[2] = V2; \
406 if (N>3) dest[3] = V3; \
410 /* This is a glVertex call */ \
413 for (i = 0; i < exec->vtx.vertex_size; i++) \
414 exec->vtx.buffer_ptr[i] = exec->vtx.vertex[i]; \
416 exec->vtx.buffer_ptr += exec->vtx.vertex_size; \
418 /* Set FLUSH_STORED_VERTICES to indicate that there's now */ \
419 /* something to draw (not just updating a color or texcoord).*/ \
420 ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES; \
422 if (++exec->vtx.vert_count >= exec->vtx.max_vert) \
423 vbo_exec_vtx_wrap( exec ); \
428 #define ERROR(err) _mesa_error( ctx, err, __FUNCTION__ )
429 #define TAG(x) vbo_##x
431 #include "vbo_attrib_tmp.h"
437 #if FEATURE_evaluators
439 static void GLAPIENTRY vbo_exec_EvalCoord1f( GLfloat u )
441 GET_CURRENT_CONTEXT( ctx );
442 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
446 if (exec->eval.recalculate_maps)
447 vbo_exec_eval_update( exec );
449 for (i = 0; i <= VBO_ATTRIB_TEX7; i++) {
450 if (exec->eval.map1[i].map)
451 if (exec->vtx.active_sz[i] != exec->eval.map1[i].sz)
452 vbo_exec_fixup_vertex( ctx, i, exec->eval.map1[i].sz );
457 memcpy( exec->vtx.copied.buffer, exec->vtx.vertex,
458 exec->vtx.vertex_size * sizeof(GLfloat));
460 vbo_exec_do_EvalCoord1f( exec, u );
462 memcpy( exec->vtx.vertex, exec->vtx.copied.buffer,
463 exec->vtx.vertex_size * sizeof(GLfloat));
466 static void GLAPIENTRY vbo_exec_EvalCoord2f( GLfloat u, GLfloat v )
468 GET_CURRENT_CONTEXT( ctx );
469 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
473 if (exec->eval.recalculate_maps)
474 vbo_exec_eval_update( exec );
476 for (i = 0; i <= VBO_ATTRIB_TEX7; i++) {
477 if (exec->eval.map2[i].map)
478 if (exec->vtx.active_sz[i] != exec->eval.map2[i].sz)
479 vbo_exec_fixup_vertex( ctx, i, exec->eval.map2[i].sz );
482 if (ctx->Eval.AutoNormal)
483 if (exec->vtx.active_sz[VBO_ATTRIB_NORMAL] != 3)
484 vbo_exec_fixup_vertex( ctx, VBO_ATTRIB_NORMAL, 3 );
487 memcpy( exec->vtx.copied.buffer, exec->vtx.vertex,
488 exec->vtx.vertex_size * sizeof(GLfloat));
490 vbo_exec_do_EvalCoord2f( exec, u, v );
492 memcpy( exec->vtx.vertex, exec->vtx.copied.buffer,
493 exec->vtx.vertex_size * sizeof(GLfloat));
496 static void GLAPIENTRY vbo_exec_EvalCoord1fv( const GLfloat *u )
498 vbo_exec_EvalCoord1f( u[0] );
501 static void GLAPIENTRY vbo_exec_EvalCoord2fv( const GLfloat *u )
503 vbo_exec_EvalCoord2f( u[0], u[1] );
506 static void GLAPIENTRY vbo_exec_EvalPoint1( GLint i )
508 GET_CURRENT_CONTEXT( ctx );
509 GLfloat du = ((ctx->Eval.MapGrid1u2 - ctx->Eval.MapGrid1u1) /
510 (GLfloat) ctx->Eval.MapGrid1un);
511 GLfloat u = i * du + ctx->Eval.MapGrid1u1;
513 vbo_exec_EvalCoord1f( u );
517 static void GLAPIENTRY vbo_exec_EvalPoint2( GLint i, GLint j )
519 GET_CURRENT_CONTEXT( ctx );
520 GLfloat du = ((ctx->Eval.MapGrid2u2 - ctx->Eval.MapGrid2u1) /
521 (GLfloat) ctx->Eval.MapGrid2un);
522 GLfloat dv = ((ctx->Eval.MapGrid2v2 - ctx->Eval.MapGrid2v1) /
523 (GLfloat) ctx->Eval.MapGrid2vn);
524 GLfloat u = i * du + ctx->Eval.MapGrid2u1;
525 GLfloat v = j * dv + ctx->Eval.MapGrid2v1;
527 vbo_exec_EvalCoord2f( u, v );
530 /* use noop eval mesh */
531 #define vbo_exec_EvalMesh1 _mesa_noop_EvalMesh1
532 #define vbo_exec_EvalMesh2 _mesa_noop_EvalMesh2
534 #endif /* FEATURE_evaluators */
538 * Flush (draw) vertices.
539 * \param unmap - leave VBO unmapped after flushing?
542 vbo_exec_FlushVertices_internal(struct vbo_exec_context *exec, GLboolean unmap)
544 if (exec->vtx.vert_count || unmap) {
545 vbo_exec_vtx_flush( exec, unmap );
548 if (exec->vtx.vertex_size) {
549 vbo_exec_copy_to_current( exec );
550 reset_attrfv( exec );
556 * Called via glBegin.
558 static void GLAPIENTRY vbo_exec_Begin( GLenum mode )
560 GET_CURRENT_CONTEXT( ctx );
562 if (ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END) {
563 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
567 _mesa_update_state( ctx );
569 CALL_Begin(ctx->Exec, (mode));
573 if (!_mesa_valid_to_render(ctx, "glBegin")) {
577 /* Heuristic: attempt to isolate attributes occuring outside
580 if (exec->vtx.vertex_size && !exec->vtx.attrsz[0])
581 vbo_exec_FlushVertices_internal(exec, GL_FALSE);
583 i = exec->vtx.prim_count++;
584 exec->vtx.prim[i].mode = mode;
585 exec->vtx.prim[i].begin = 1;
586 exec->vtx.prim[i].end = 0;
587 exec->vtx.prim[i].indexed = 0;
588 exec->vtx.prim[i].weak = 0;
589 exec->vtx.prim[i].pad = 0;
590 exec->vtx.prim[i].start = exec->vtx.vert_count;
591 exec->vtx.prim[i].count = 0;
592 exec->vtx.prim[i].num_instances = 1;
594 ctx->Driver.CurrentExecPrimitive = mode;
597 _mesa_error( ctx, GL_INVALID_OPERATION, "glBegin" );
605 static void GLAPIENTRY vbo_exec_End( void )
607 GET_CURRENT_CONTEXT( ctx );
609 if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) {
610 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
612 if (exec->vtx.prim_count > 0) {
613 /* close off current primitive */
614 int idx = exec->vtx.vert_count;
615 int i = exec->vtx.prim_count - 1;
617 exec->vtx.prim[i].end = 1;
618 exec->vtx.prim[i].count = idx - exec->vtx.prim[i].start;
621 ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
623 if (exec->vtx.prim_count == VBO_MAX_PRIM)
624 vbo_exec_vtx_flush( exec, GL_FALSE );
627 _mesa_error( ctx, GL_INVALID_OPERATION, "glEnd" );
632 * Called via glPrimitiveRestartNV()
634 static void GLAPIENTRY
635 vbo_exec_PrimitiveRestartNV(void)
638 GET_CURRENT_CONTEXT( ctx );
640 curPrim = ctx->Driver.CurrentExecPrimitive;
642 if (curPrim == PRIM_OUTSIDE_BEGIN_END) {
643 _mesa_error( ctx, GL_INVALID_OPERATION, "glPrimitiveRestartNV" );
647 vbo_exec_Begin(curPrim);
653 static void vbo_exec_vtxfmt_init( struct vbo_exec_context *exec )
655 GLvertexformat *vfmt = &exec->vtxfmt;
657 _MESA_INIT_ARRAYELT_VTXFMT(vfmt, _ae_);
659 vfmt->Begin = vbo_exec_Begin;
660 vfmt->End = vbo_exec_End;
661 vfmt->PrimitiveRestartNV = vbo_exec_PrimitiveRestartNV;
663 _MESA_INIT_DLIST_VTXFMT(vfmt, _mesa_);
664 _MESA_INIT_EVAL_VTXFMT(vfmt, vbo_exec_);
666 vfmt->Rectf = _mesa_noop_Rectf;
668 /* from attrib_tmp.h:
670 vfmt->Color3f = vbo_Color3f;
671 vfmt->Color3fv = vbo_Color3fv;
672 vfmt->Color4f = vbo_Color4f;
673 vfmt->Color4fv = vbo_Color4fv;
674 vfmt->FogCoordfEXT = vbo_FogCoordfEXT;
675 vfmt->FogCoordfvEXT = vbo_FogCoordfvEXT;
676 vfmt->MultiTexCoord1fARB = vbo_MultiTexCoord1f;
677 vfmt->MultiTexCoord1fvARB = vbo_MultiTexCoord1fv;
678 vfmt->MultiTexCoord2fARB = vbo_MultiTexCoord2f;
679 vfmt->MultiTexCoord2fvARB = vbo_MultiTexCoord2fv;
680 vfmt->MultiTexCoord3fARB = vbo_MultiTexCoord3f;
681 vfmt->MultiTexCoord3fvARB = vbo_MultiTexCoord3fv;
682 vfmt->MultiTexCoord4fARB = vbo_MultiTexCoord4f;
683 vfmt->MultiTexCoord4fvARB = vbo_MultiTexCoord4fv;
684 vfmt->Normal3f = vbo_Normal3f;
685 vfmt->Normal3fv = vbo_Normal3fv;
686 vfmt->SecondaryColor3fEXT = vbo_SecondaryColor3fEXT;
687 vfmt->SecondaryColor3fvEXT = vbo_SecondaryColor3fvEXT;
688 vfmt->TexCoord1f = vbo_TexCoord1f;
689 vfmt->TexCoord1fv = vbo_TexCoord1fv;
690 vfmt->TexCoord2f = vbo_TexCoord2f;
691 vfmt->TexCoord2fv = vbo_TexCoord2fv;
692 vfmt->TexCoord3f = vbo_TexCoord3f;
693 vfmt->TexCoord3fv = vbo_TexCoord3fv;
694 vfmt->TexCoord4f = vbo_TexCoord4f;
695 vfmt->TexCoord4fv = vbo_TexCoord4fv;
696 vfmt->Vertex2f = vbo_Vertex2f;
697 vfmt->Vertex2fv = vbo_Vertex2fv;
698 vfmt->Vertex3f = vbo_Vertex3f;
699 vfmt->Vertex3fv = vbo_Vertex3fv;
700 vfmt->Vertex4f = vbo_Vertex4f;
701 vfmt->Vertex4fv = vbo_Vertex4fv;
703 vfmt->VertexAttrib1fARB = vbo_VertexAttrib1fARB;
704 vfmt->VertexAttrib1fvARB = vbo_VertexAttrib1fvARB;
705 vfmt->VertexAttrib2fARB = vbo_VertexAttrib2fARB;
706 vfmt->VertexAttrib2fvARB = vbo_VertexAttrib2fvARB;
707 vfmt->VertexAttrib3fARB = vbo_VertexAttrib3fARB;
708 vfmt->VertexAttrib3fvARB = vbo_VertexAttrib3fvARB;
709 vfmt->VertexAttrib4fARB = vbo_VertexAttrib4fARB;
710 vfmt->VertexAttrib4fvARB = vbo_VertexAttrib4fvARB;
712 vfmt->VertexAttrib1fNV = vbo_VertexAttrib1fNV;
713 vfmt->VertexAttrib1fvNV = vbo_VertexAttrib1fvNV;
714 vfmt->VertexAttrib2fNV = vbo_VertexAttrib2fNV;
715 vfmt->VertexAttrib2fvNV = vbo_VertexAttrib2fvNV;
716 vfmt->VertexAttrib3fNV = vbo_VertexAttrib3fNV;
717 vfmt->VertexAttrib3fvNV = vbo_VertexAttrib3fvNV;
718 vfmt->VertexAttrib4fNV = vbo_VertexAttrib4fNV;
719 vfmt->VertexAttrib4fvNV = vbo_VertexAttrib4fvNV;
722 vfmt->VertexAttribI1i = vbo_VertexAttribI1i;
723 vfmt->VertexAttribI2i = vbo_VertexAttribI2i;
724 vfmt->VertexAttribI3i = vbo_VertexAttribI3i;
725 vfmt->VertexAttribI4i = vbo_VertexAttribI4i;
726 vfmt->VertexAttribI2iv = vbo_VertexAttribI2iv;
727 vfmt->VertexAttribI3iv = vbo_VertexAttribI3iv;
728 vfmt->VertexAttribI4iv = vbo_VertexAttribI4iv;
730 /* unsigned integer-valued */
731 vfmt->VertexAttribI1ui = vbo_VertexAttribI1ui;
732 vfmt->VertexAttribI2ui = vbo_VertexAttribI2ui;
733 vfmt->VertexAttribI3ui = vbo_VertexAttribI3ui;
734 vfmt->VertexAttribI4ui = vbo_VertexAttribI4ui;
735 vfmt->VertexAttribI2uiv = vbo_VertexAttribI2uiv;
736 vfmt->VertexAttribI3uiv = vbo_VertexAttribI3uiv;
737 vfmt->VertexAttribI4uiv = vbo_VertexAttribI4uiv;
739 vfmt->Materialfv = vbo_Materialfv;
741 vfmt->EdgeFlag = vbo_EdgeFlag;
742 vfmt->Indexf = vbo_Indexf;
743 vfmt->Indexfv = vbo_Indexfv;
748 #else /* FEATURE_beginend */
751 static void vbo_exec_vtxfmt_init( struct vbo_exec_context *exec )
753 /* silence warnings */
758 (void) vbo_FogCoordfEXT;
759 (void) vbo_FogCoordfvEXT;
760 (void) vbo_MultiTexCoord1f;
761 (void) vbo_MultiTexCoord1fv;
762 (void) vbo_MultiTexCoord2f;
763 (void) vbo_MultiTexCoord2fv;
764 (void) vbo_MultiTexCoord3f;
765 (void) vbo_MultiTexCoord3fv;
766 (void) vbo_MultiTexCoord4f;
767 (void) vbo_MultiTexCoord4fv;
769 (void) vbo_Normal3fv;
770 (void) vbo_SecondaryColor3fEXT;
771 (void) vbo_SecondaryColor3fvEXT;
772 (void) vbo_TexCoord1f;
773 (void) vbo_TexCoord1fv;
774 (void) vbo_TexCoord2f;
775 (void) vbo_TexCoord2fv;
776 (void) vbo_TexCoord3f;
777 (void) vbo_TexCoord3fv;
778 (void) vbo_TexCoord4f;
779 (void) vbo_TexCoord4fv;
781 (void) vbo_Vertex2fv;
783 (void) vbo_Vertex3fv;
785 (void) vbo_Vertex4fv;
787 (void) vbo_VertexAttrib1fARB;
788 (void) vbo_VertexAttrib1fvARB;
789 (void) vbo_VertexAttrib2fARB;
790 (void) vbo_VertexAttrib2fvARB;
791 (void) vbo_VertexAttrib3fARB;
792 (void) vbo_VertexAttrib3fvARB;
793 (void) vbo_VertexAttrib4fARB;
794 (void) vbo_VertexAttrib4fvARB;
796 (void) vbo_VertexAttrib1fNV;
797 (void) vbo_VertexAttrib1fvNV;
798 (void) vbo_VertexAttrib2fNV;
799 (void) vbo_VertexAttrib2fvNV;
800 (void) vbo_VertexAttrib3fNV;
801 (void) vbo_VertexAttrib3fvNV;
802 (void) vbo_VertexAttrib4fNV;
803 (void) vbo_VertexAttrib4fvNV;
805 (void) vbo_Materialfv;
813 #endif /* FEATURE_beginend */
817 * Tell the VBO module to use a real OpenGL vertex buffer object to
818 * store accumulated immediate-mode vertex data.
819 * This replaces the malloced buffer which was created in
820 * vb_exec_vtx_init() below.
822 void vbo_use_buffer_objects(struct gl_context *ctx)
824 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
825 /* Any buffer name but 0 can be used here since this bufferobj won't
826 * go into the bufferobj hashtable.
828 GLuint bufName = IMM_BUFFER_NAME;
829 GLenum target = GL_ARRAY_BUFFER_ARB;
830 GLenum usage = GL_STREAM_DRAW_ARB;
831 GLsizei size = VBO_VERT_BUFFER_SIZE;
833 /* Make sure this func is only used once */
834 assert(exec->vtx.bufferobj == ctx->Shared->NullBufferObj);
835 if (exec->vtx.buffer_map) {
836 _mesa_align_free(exec->vtx.buffer_map);
837 exec->vtx.buffer_map = NULL;
838 exec->vtx.buffer_ptr = NULL;
841 /* Allocate a real buffer object now */
842 _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL);
843 exec->vtx.bufferobj = ctx->Driver.NewBufferObject(ctx, bufName, target);
844 ctx->Driver.BufferData(ctx, target, size, NULL, usage, exec->vtx.bufferobj);
849 * If this function is called, all VBO buffers will be unmapped when
851 * Otherwise, if a simple command like glColor3f() is called and we flush,
852 * the current VBO may be left mapped.
855 vbo_always_unmap_buffers(struct gl_context *ctx)
857 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
858 exec->begin_vertices_flags |= FLUSH_STORED_VERTICES;
862 void vbo_exec_vtx_init( struct vbo_exec_context *exec )
864 struct gl_context *ctx = exec->ctx;
865 struct vbo_context *vbo = vbo_context(ctx);
868 /* Allocate a buffer object. Will just reuse this object
869 * continuously, unless vbo_use_buffer_objects() is called to enable
872 _mesa_reference_buffer_object(ctx,
873 &exec->vtx.bufferobj,
874 ctx->Shared->NullBufferObj);
876 ASSERT(!exec->vtx.buffer_map);
877 exec->vtx.buffer_map = (GLfloat *)_mesa_align_malloc(VBO_VERT_BUFFER_SIZE, 64);
878 exec->vtx.buffer_ptr = exec->vtx.buffer_map;
880 vbo_exec_vtxfmt_init( exec );
882 /* Hook our functions into the dispatch table.
884 _mesa_install_exec_vtxfmt( ctx, &exec->vtxfmt );
886 for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) {
887 ASSERT(i < Elements(exec->vtx.attrsz));
888 exec->vtx.attrsz[i] = 0;
889 ASSERT(i < Elements(exec->vtx.active_sz));
890 exec->vtx.active_sz[i] = 0;
892 for (i = 0 ; i < VERT_ATTRIB_MAX; i++) {
893 ASSERT(i < Elements(exec->vtx.inputs));
894 ASSERT(i < Elements(exec->vtx.arrays));
895 exec->vtx.inputs[i] = &exec->vtx.arrays[i];
899 struct gl_client_array *arrays = exec->vtx.arrays;
902 memcpy(arrays, vbo->legacy_currval, 16 * sizeof(arrays[0]));
903 memcpy(arrays + 16, vbo->generic_currval, 16 * sizeof(arrays[0]));
905 for (i = 0; i < 16; ++i) {
906 arrays[i ].BufferObj = NULL;
907 arrays[i + 16].BufferObj = NULL;
908 _mesa_reference_buffer_object(ctx, &arrays[i ].BufferObj,
909 vbo->legacy_currval[i].BufferObj);
910 _mesa_reference_buffer_object(ctx, &arrays[i + 16].BufferObj,
911 vbo->generic_currval[i].BufferObj);
915 exec->vtx.vertex_size = 0;
917 exec->begin_vertices_flags = FLUSH_UPDATE_CURRENT;
921 void vbo_exec_vtx_destroy( struct vbo_exec_context *exec )
923 /* using a real VBO for vertex data */
924 struct gl_context *ctx = exec->ctx;
927 /* True VBOs should already be unmapped
929 if (exec->vtx.buffer_map) {
930 ASSERT(exec->vtx.bufferobj->Name == 0 ||
931 exec->vtx.bufferobj->Name == IMM_BUFFER_NAME);
932 if (exec->vtx.bufferobj->Name == 0) {
933 _mesa_align_free(exec->vtx.buffer_map);
934 exec->vtx.buffer_map = NULL;
935 exec->vtx.buffer_ptr = NULL;
939 /* Drop any outstanding reference to the vertex buffer
941 for (i = 0; i < Elements(exec->vtx.arrays); i++) {
942 _mesa_reference_buffer_object(ctx,
943 &exec->vtx.arrays[i].BufferObj,
947 /* Free the vertex buffer. Unmap first if needed.
949 if (_mesa_bufferobj_mapped(exec->vtx.bufferobj)) {
950 ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER, exec->vtx.bufferobj);
952 _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL);
957 * Called upon first glVertex, glColor, glTexCoord, etc.
959 void vbo_exec_BeginVertices( struct gl_context *ctx )
961 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
963 vbo_exec_vtx_map( exec );
965 assert((ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT) == 0);
966 assert(exec->begin_vertices_flags);
968 ctx->Driver.NeedFlush |= exec->begin_vertices_flags;
973 * Called via ctx->Driver.FlushVertices()
974 * \param flags bitmask of FLUSH_STORED_VERTICES, FLUSH_UPDATE_CURRENT
976 void vbo_exec_FlushVertices( struct gl_context *ctx, GLuint flags )
978 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
981 /* debug check: make sure we don't get called recursively */
982 exec->flush_call_depth++;
983 assert(exec->flush_call_depth == 1);
986 if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) {
987 /* We've had glBegin but not glEnd! */
989 exec->flush_call_depth--;
990 assert(exec->flush_call_depth == 0);
995 /* Flush (draw), and make sure VBO is left unmapped when done */
996 vbo_exec_FlushVertices_internal(exec, GL_TRUE);
998 /* Need to do this to ensure BeginVertices gets called again:
1000 ctx->Driver.NeedFlush &= ~(FLUSH_UPDATE_CURRENT | flags);
1003 exec->flush_call_depth--;
1004 assert(exec->flush_call_depth == 0);
1009 static void reset_attrfv( struct vbo_exec_context *exec )
1013 for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) {
1014 exec->vtx.attrsz[i] = 0;
1015 exec->vtx.active_sz[i] = 0;
1018 exec->vtx.vertex_size = 0;
1023 _es_Color4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a)
1025 vbo_Color4f(r, g, b, a);
1030 _es_Normal3f(GLfloat x, GLfloat y, GLfloat z)
1032 vbo_Normal3f(x, y, z);
1037 _es_MultiTexCoord4f(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q)
1039 vbo_MultiTexCoord4f(target, s, t, r, q);
1044 _es_Materialfv(GLenum face, GLenum pname, const GLfloat *params)
1046 vbo_Materialfv(face, pname, params);
1051 _es_Materialf(GLenum face, GLenum pname, GLfloat param)
1055 p[1] = p[2] = p[3] = 0.0F;
1056 vbo_Materialfv(face, pname, p);
1061 * A special version of glVertexAttrib4f that does not treat index 0 as
1065 VertexAttrib4f_nopos(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
1067 GET_CURRENT_CONTEXT(ctx);
1068 if (index < MAX_VERTEX_GENERIC_ATTRIBS)
1069 ATTR(VBO_ATTRIB_GENERIC0 + index, 4, x, y, z, w);
1071 ERROR(GL_INVALID_VALUE);
1075 _es_VertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
1077 VertexAttrib4f_nopos(index, x, y, z, w);
1082 _es_VertexAttrib1f(GLuint indx, GLfloat x)
1084 VertexAttrib4f_nopos(indx, x, 0.0f, 0.0f, 1.0f);
1089 _es_VertexAttrib1fv(GLuint indx, const GLfloat* values)
1091 VertexAttrib4f_nopos(indx, values[0], 0.0f, 0.0f, 1.0f);
1096 _es_VertexAttrib2f(GLuint indx, GLfloat x, GLfloat y)
1098 VertexAttrib4f_nopos(indx, x, y, 0.0f, 1.0f);
1103 _es_VertexAttrib2fv(GLuint indx, const GLfloat* values)
1105 VertexAttrib4f_nopos(indx, values[0], values[1], 0.0f, 1.0f);
1110 _es_VertexAttrib3f(GLuint indx, GLfloat x, GLfloat y, GLfloat z)
1112 VertexAttrib4f_nopos(indx, x, y, z, 1.0f);
1117 _es_VertexAttrib3fv(GLuint indx, const GLfloat* values)
1119 VertexAttrib4f_nopos(indx, values[0], values[1], values[2], 1.0f);
1124 _es_VertexAttrib4fv(GLuint indx, const GLfloat* values)
1126 VertexAttrib4f_nopos(indx, values[0], values[1], values[2], values[3]);