diff options
Diffstat (limited to 'mesalib/src/mesa/vbo/vbo_exec_api.c')
| -rw-r--r-- | mesalib/src/mesa/vbo/vbo_exec_api.c | 2244 |
1 files changed, 1123 insertions, 1121 deletions
diff --git a/mesalib/src/mesa/vbo/vbo_exec_api.c b/mesalib/src/mesa/vbo/vbo_exec_api.c index fcd544de7..6b919e8b4 100644 --- a/mesalib/src/mesa/vbo/vbo_exec_api.c +++ b/mesalib/src/mesa/vbo/vbo_exec_api.c @@ -1,1121 +1,1123 @@ -/************************************************************************** - -Copyright 2002-2008 Tungsten Graphics Inc., Cedar Park, Texas. - -All Rights Reserved. - -Permission is hereby granted, free of charge, to any person obtaining a -copy of this software and associated documentation files (the "Software"), -to deal in the Software without restriction, including without limitation -on the rights to use, copy, modify, merge, publish, distribute, sub -license, and/or sell copies of the Software, and to permit persons to whom -the Software is furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice (including the next -paragraph) shall be included in all copies or substantial portions of the -Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL -TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, -DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -USE OR OTHER DEALINGS IN THE SOFTWARE. - -**************************************************************************/ - -/* - * Authors: - * Keith Whitwell <keith@tungstengraphics.com> - */ - -#include "main/glheader.h" -#include "main/bufferobj.h" -#include "main/context.h" -#include "main/macros.h" -#include "main/mfeatures.h" -#include "main/vtxfmt.h" -#include "main/dlist.h" -#include "main/eval.h" -#include "main/state.h" -#include "main/light.h" -#include "main/api_arrayelt.h" -#include "main/api_noop.h" -#include "main/dispatch.h" - -#include "vbo_context.h" - -#ifdef ERROR -#undef ERROR -#endif - - -/** ID/name for immediate-mode VBO */ -#define IMM_BUFFER_NAME 0xaabbccdd - - -static void reset_attrfv( struct vbo_exec_context *exec ); - - -/** - * Close off the last primitive, execute the buffer, restart the - * primitive. - */ -static void vbo_exec_wrap_buffers( struct vbo_exec_context *exec ) -{ - if (exec->vtx.prim_count == 0) { - exec->vtx.copied.nr = 0; - exec->vtx.vert_count = 0; - exec->vtx.buffer_ptr = exec->vtx.buffer_map; - } - else { - GLuint last_begin = exec->vtx.prim[exec->vtx.prim_count-1].begin; - GLuint last_count; - - if (exec->ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) { - GLint i = exec->vtx.prim_count - 1; - assert(i >= 0); - exec->vtx.prim[i].count = (exec->vtx.vert_count - - exec->vtx.prim[i].start); - } - - last_count = exec->vtx.prim[exec->vtx.prim_count-1].count; - - /* Execute the buffer and save copied vertices. - */ - if (exec->vtx.vert_count) - vbo_exec_vtx_flush( exec, GL_FALSE ); - else { - exec->vtx.prim_count = 0; - exec->vtx.copied.nr = 0; - } - - /* Emit a glBegin to start the new list. - */ - assert(exec->vtx.prim_count == 0); - - if (exec->ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) { - exec->vtx.prim[0].mode = exec->ctx->Driver.CurrentExecPrimitive; - exec->vtx.prim[0].start = 0; - exec->vtx.prim[0].count = 0; - exec->vtx.prim_count++; - - if (exec->vtx.copied.nr == last_count) - exec->vtx.prim[0].begin = last_begin; - } - } -} - - -/** - * Deal with buffer wrapping where provoked by the vertex buffer - * filling up, as opposed to upgrade_vertex(). - */ -void vbo_exec_vtx_wrap( struct vbo_exec_context *exec ) -{ - GLfloat *data = exec->vtx.copied.buffer; - GLuint i; - - /* Run pipeline on current vertices, copy wrapped vertices - * to exec->vtx.copied. - */ - vbo_exec_wrap_buffers( exec ); - - /* Copy stored stored vertices to start of new list. - */ - assert(exec->vtx.max_vert - exec->vtx.vert_count > exec->vtx.copied.nr); - - for (i = 0 ; i < exec->vtx.copied.nr ; i++) { - memcpy( exec->vtx.buffer_ptr, data, - exec->vtx.vertex_size * sizeof(GLfloat)); - exec->vtx.buffer_ptr += exec->vtx.vertex_size; - data += exec->vtx.vertex_size; - exec->vtx.vert_count++; - } - - exec->vtx.copied.nr = 0; -} - - -/** - * Copy the active vertex's values to the ctx->Current fields. - */ -static void vbo_exec_copy_to_current( struct vbo_exec_context *exec ) -{ - struct gl_context *ctx = exec->ctx; - struct vbo_context *vbo = vbo_context(ctx); - GLuint i; - - for (i = VBO_ATTRIB_POS+1 ; i < VBO_ATTRIB_MAX ; i++) { - if (exec->vtx.attrsz[i]) { - /* Note: the exec->vtx.current[i] pointers point into the - * ctx->Current.Attrib and ctx->Light.Material.Attrib arrays. - */ - GLfloat *current = (GLfloat *)vbo->currval[i].Ptr; - GLfloat tmp[4]; - - COPY_CLEAN_4V(tmp, - exec->vtx.attrsz[i], - exec->vtx.attrptr[i]); - - if (memcmp(current, tmp, sizeof(tmp)) != 0) { - memcpy(current, tmp, sizeof(tmp)); - - /* Given that we explicitly state size here, there is no need - * for the COPY_CLEAN above, could just copy 16 bytes and be - * done. The only problem is when Mesa accesses ctx->Current - * directly. - */ - vbo->currval[i].Size = exec->vtx.attrsz[i]; - - /* This triggers rather too much recalculation of Mesa state - * that doesn't get used (eg light positions). - */ - if (i >= VBO_ATTRIB_MAT_FRONT_AMBIENT && - i <= VBO_ATTRIB_MAT_BACK_INDEXES) - ctx->NewState |= _NEW_LIGHT; - - ctx->NewState |= _NEW_CURRENT_ATTRIB; - } - } - } - - /* Colormaterial -- this kindof sucks. - */ - if (ctx->Light.ColorMaterialEnabled && - exec->vtx.attrsz[VBO_ATTRIB_COLOR0]) { - _mesa_update_color_material(ctx, - ctx->Current.Attrib[VBO_ATTRIB_COLOR0]); - } -} - - -/** - * Copy current vertex attribute values into the current vertex. - */ -static void -vbo_exec_copy_from_current(struct vbo_exec_context *exec) -{ - struct gl_context *ctx = exec->ctx; - struct vbo_context *vbo = vbo_context(ctx); - GLint i; - - for (i = VBO_ATTRIB_POS + 1; i < VBO_ATTRIB_MAX; i++) { - const GLfloat *current = (GLfloat *) vbo->currval[i].Ptr; - switch (exec->vtx.attrsz[i]) { - case 4: exec->vtx.attrptr[i][3] = current[3]; - case 3: exec->vtx.attrptr[i][2] = current[2]; - case 2: exec->vtx.attrptr[i][1] = current[1]; - case 1: exec->vtx.attrptr[i][0] = current[0]; - break; - } - } -} - - -/** - * Flush existing data, set new attrib size, replay copied vertices. - * This is called when we transition from a small vertex attribute size - * to a larger one. Ex: glTexCoord2f -> glTexCoord4f. - * We need to go back over the previous 2-component texcoords and insert - * zero and one values. - */ -static void -vbo_exec_wrap_upgrade_vertex(struct vbo_exec_context *exec, - GLuint attr, GLuint newSize ) -{ - struct gl_context *ctx = exec->ctx; - struct vbo_context *vbo = vbo_context(ctx); - const GLint lastcount = exec->vtx.vert_count; - GLfloat *old_attrptr[VBO_ATTRIB_MAX]; - const GLuint old_vtx_size = exec->vtx.vertex_size; /* floats per vertex */ - const GLuint oldSize = exec->vtx.attrsz[attr]; - GLuint i; - - /* Run pipeline on current vertices, copy wrapped vertices - * to exec->vtx.copied. - */ - vbo_exec_wrap_buffers( exec ); - - if (unlikely(exec->vtx.copied.nr)) { - /* We're in the middle of a primitive, keep the old vertex - * format around to be able to translate the copied vertices to - * the new format. - */ - memcpy(old_attrptr, exec->vtx.attrptr, sizeof(old_attrptr)); - } - - if (unlikely(oldSize)) { - /* Do a COPY_TO_CURRENT to ensure back-copying works for the - * case when the attribute already exists in the vertex and is - * having its size increased. - */ - vbo_exec_copy_to_current( exec ); - } - - /* Heuristic: Attempt to isolate attributes received outside - * begin/end so that they don't bloat the vertices. - */ - if (ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END && - !oldSize && lastcount > 8 && exec->vtx.vertex_size) { - vbo_exec_copy_to_current( exec ); - reset_attrfv( exec ); - } - - /* Fix up sizes: - */ - exec->vtx.attrsz[attr] = newSize; - exec->vtx.vertex_size += newSize - oldSize; - exec->vtx.max_vert = ((VBO_VERT_BUFFER_SIZE - exec->vtx.buffer_used) / - (exec->vtx.vertex_size * sizeof(GLfloat))); - exec->vtx.vert_count = 0; - exec->vtx.buffer_ptr = exec->vtx.buffer_map; - - if (unlikely(oldSize)) { - /* Size changed, recalculate all the attrptr[] values - */ - GLfloat *tmp = exec->vtx.vertex; - - for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) { - if (exec->vtx.attrsz[i]) { - exec->vtx.attrptr[i] = tmp; - tmp += exec->vtx.attrsz[i]; - } - else - exec->vtx.attrptr[i] = NULL; /* will not be dereferenced */ - } - - /* Copy from current to repopulate the vertex with correct - * values. - */ - vbo_exec_copy_from_current( exec ); - } - else { - /* Just have to append the new attribute at the end */ - exec->vtx.attrptr[attr] = exec->vtx.vertex + - exec->vtx.vertex_size - newSize; - } - - /* Replay stored vertices to translate them - * to new format here. - * - * -- No need to replay - just copy piecewise - */ - if (unlikely(exec->vtx.copied.nr)) { - GLfloat *data = exec->vtx.copied.buffer; - GLfloat *dest = exec->vtx.buffer_ptr; - GLuint j; - - assert(exec->vtx.buffer_ptr == exec->vtx.buffer_map); - - for (i = 0 ; i < exec->vtx.copied.nr ; i++) { - for (j = 0 ; j < VBO_ATTRIB_MAX ; j++) { - GLuint sz = exec->vtx.attrsz[j]; - - if (sz) { - GLint old_offset = old_attrptr[j] - exec->vtx.vertex; - GLint new_offset = exec->vtx.attrptr[j] - exec->vtx.vertex; - - if (j == attr) { - if (oldSize) { - GLfloat tmp[4]; - COPY_CLEAN_4V(tmp, oldSize, data + old_offset); - COPY_SZ_4V(dest + new_offset, newSize, tmp); - } else { - GLfloat *current = (GLfloat *)vbo->currval[j].Ptr; - COPY_SZ_4V(dest + new_offset, sz, current); - } - } - else { - COPY_SZ_4V(dest + new_offset, sz, data + old_offset); - } - } - } - - data += old_vtx_size; - dest += exec->vtx.vertex_size; - } - - exec->vtx.buffer_ptr = dest; - exec->vtx.vert_count += exec->vtx.copied.nr; - exec->vtx.copied.nr = 0; - } -} - - -/** - * This is when a vertex attribute transitions to a different size. - * For example, we saw a bunch of glTexCoord2f() calls and now we got a - * glTexCoord4f() call. We promote the array from size=2 to size=4. - */ -static void -vbo_exec_fixup_vertex(struct gl_context *ctx, GLuint attr, GLuint newSize) -{ - struct vbo_exec_context *exec = &vbo_context(ctx)->exec; - - if (newSize > exec->vtx.attrsz[attr]) { - /* New size is larger. Need to flush existing vertices and get - * an enlarged vertex format. - */ - vbo_exec_wrap_upgrade_vertex( exec, attr, newSize ); - } - else if (newSize < exec->vtx.active_sz[attr]) { - static const GLfloat id[4] = { 0, 0, 0, 1 }; - GLuint i; - - /* New size is smaller - just need to fill in some - * zeros. Don't need to flush or wrap. - */ - for (i = newSize; i <= exec->vtx.attrsz[attr]; i++) - exec->vtx.attrptr[attr][i-1] = id[i-1]; - } - - exec->vtx.active_sz[attr] = newSize; - - /* Does setting NeedFlush belong here? Necessitates resetting - * vtxfmt on each flush (otherwise flags won't get reset - * afterwards). - */ - if (attr == 0) - ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES; -} - - -/** - * This macro is used to implement all the glVertex, glColor, glTexCoord, - * glVertexAttrib, etc functions. - */ -#define ATTR( A, N, V0, V1, V2, V3 ) \ -do { \ - struct vbo_exec_context *exec = &vbo_context(ctx)->exec; \ - \ - if (unlikely(!(ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT))) \ - ctx->Driver.BeginVertices( ctx ); \ - \ - if (unlikely(exec->vtx.active_sz[A] != N)) \ - vbo_exec_fixup_vertex(ctx, A, N); \ - \ - { \ - GLfloat *dest = exec->vtx.attrptr[A]; \ - if (N>0) dest[0] = V0; \ - if (N>1) dest[1] = V1; \ - if (N>2) dest[2] = V2; \ - if (N>3) dest[3] = V3; \ - } \ - \ - if ((A) == 0) { \ - /* This is a glVertex call */ \ - GLuint i; \ - \ - for (i = 0; i < exec->vtx.vertex_size; i++) \ - exec->vtx.buffer_ptr[i] = exec->vtx.vertex[i]; \ - \ - exec->vtx.buffer_ptr += exec->vtx.vertex_size; \ - \ - /* Set FLUSH_STORED_VERTICES to indicate that there's now */ \ - /* something to draw (not just updating a color or texcoord).*/ \ - ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES; \ - \ - if (++exec->vtx.vert_count >= exec->vtx.max_vert) \ - vbo_exec_vtx_wrap( exec ); \ - } \ -} while (0) - - -#define ERROR(err) _mesa_error( ctx, err, __FUNCTION__ ) -#define TAG(x) vbo_##x - -#include "vbo_attrib_tmp.h" - - -#if FEATURE_beginend - - -#if FEATURE_evaluators - -static void GLAPIENTRY vbo_exec_EvalCoord1f( GLfloat u ) -{ - GET_CURRENT_CONTEXT( ctx ); - struct vbo_exec_context *exec = &vbo_context(ctx)->exec; - - { - GLint i; - if (exec->eval.recalculate_maps) - vbo_exec_eval_update( exec ); - - for (i = 0; i <= VBO_ATTRIB_TEX7; i++) { - if (exec->eval.map1[i].map) - if (exec->vtx.active_sz[i] != exec->eval.map1[i].sz) - vbo_exec_fixup_vertex( ctx, i, exec->eval.map1[i].sz ); - } - } - - - memcpy( exec->vtx.copied.buffer, exec->vtx.vertex, - exec->vtx.vertex_size * sizeof(GLfloat)); - - vbo_exec_do_EvalCoord1f( exec, u ); - - memcpy( exec->vtx.vertex, exec->vtx.copied.buffer, - exec->vtx.vertex_size * sizeof(GLfloat)); -} - -static void GLAPIENTRY vbo_exec_EvalCoord2f( GLfloat u, GLfloat v ) -{ - GET_CURRENT_CONTEXT( ctx ); - struct vbo_exec_context *exec = &vbo_context(ctx)->exec; - - { - GLint i; - if (exec->eval.recalculate_maps) - vbo_exec_eval_update( exec ); - - for (i = 0; i <= VBO_ATTRIB_TEX7; i++) { - if (exec->eval.map2[i].map) - if (exec->vtx.active_sz[i] != exec->eval.map2[i].sz) - vbo_exec_fixup_vertex( ctx, i, exec->eval.map2[i].sz ); - } - - if (ctx->Eval.AutoNormal) - if (exec->vtx.active_sz[VBO_ATTRIB_NORMAL] != 3) - vbo_exec_fixup_vertex( ctx, VBO_ATTRIB_NORMAL, 3 ); - } - - memcpy( exec->vtx.copied.buffer, exec->vtx.vertex, - exec->vtx.vertex_size * sizeof(GLfloat)); - - vbo_exec_do_EvalCoord2f( exec, u, v ); - - memcpy( exec->vtx.vertex, exec->vtx.copied.buffer, - exec->vtx.vertex_size * sizeof(GLfloat)); -} - -static void GLAPIENTRY vbo_exec_EvalCoord1fv( const GLfloat *u ) -{ - vbo_exec_EvalCoord1f( u[0] ); -} - -static void GLAPIENTRY vbo_exec_EvalCoord2fv( const GLfloat *u ) -{ - vbo_exec_EvalCoord2f( u[0], u[1] ); -} - -static void GLAPIENTRY vbo_exec_EvalPoint1( GLint i ) -{ - GET_CURRENT_CONTEXT( ctx ); - GLfloat du = ((ctx->Eval.MapGrid1u2 - ctx->Eval.MapGrid1u1) / - (GLfloat) ctx->Eval.MapGrid1un); - GLfloat u = i * du + ctx->Eval.MapGrid1u1; - - vbo_exec_EvalCoord1f( u ); -} - - -static void GLAPIENTRY vbo_exec_EvalPoint2( GLint i, GLint j ) -{ - GET_CURRENT_CONTEXT( ctx ); - GLfloat du = ((ctx->Eval.MapGrid2u2 - ctx->Eval.MapGrid2u1) / - (GLfloat) ctx->Eval.MapGrid2un); - GLfloat dv = ((ctx->Eval.MapGrid2v2 - ctx->Eval.MapGrid2v1) / - (GLfloat) ctx->Eval.MapGrid2vn); - GLfloat u = i * du + ctx->Eval.MapGrid2u1; - GLfloat v = j * dv + ctx->Eval.MapGrid2v1; - - vbo_exec_EvalCoord2f( u, v ); -} - -/* use noop eval mesh */ -#define vbo_exec_EvalMesh1 _mesa_noop_EvalMesh1 -#define vbo_exec_EvalMesh2 _mesa_noop_EvalMesh2 - -#endif /* FEATURE_evaluators */ - - -/** - * Flush (draw) vertices. - * \param unmap - leave VBO unmapped after flushing? - */ -static void -vbo_exec_FlushVertices_internal(struct vbo_exec_context *exec, GLboolean unmap) -{ - if (exec->vtx.vert_count || unmap) { - vbo_exec_vtx_flush( exec, unmap ); - } - - if (exec->vtx.vertex_size) { - vbo_exec_copy_to_current( exec ); - reset_attrfv( exec ); - } -} - - -/** - * Called via glBegin. - */ -static void GLAPIENTRY vbo_exec_Begin( GLenum mode ) -{ - GET_CURRENT_CONTEXT( ctx ); - - if (ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END) { - struct vbo_exec_context *exec = &vbo_context(ctx)->exec; - int i; - - if (ctx->NewState) { - _mesa_update_state( ctx ); - - CALL_Begin(ctx->Exec, (mode)); - return; - } - - if (!_mesa_valid_to_render(ctx, "glBegin")) { - return; - } - - /* Heuristic: attempt to isolate attributes occuring outside - * begin/end pairs. - */ - if (exec->vtx.vertex_size && !exec->vtx.attrsz[0]) - vbo_exec_FlushVertices_internal(exec, GL_FALSE); - - i = exec->vtx.prim_count++; - exec->vtx.prim[i].mode = mode; - exec->vtx.prim[i].begin = 1; - exec->vtx.prim[i].end = 0; - exec->vtx.prim[i].indexed = 0; - exec->vtx.prim[i].weak = 0; - exec->vtx.prim[i].pad = 0; - exec->vtx.prim[i].start = exec->vtx.vert_count; - exec->vtx.prim[i].count = 0; - exec->vtx.prim[i].num_instances = 1; - - ctx->Driver.CurrentExecPrimitive = mode; - } - else - _mesa_error( ctx, GL_INVALID_OPERATION, "glBegin" ); - -} - - -/** - * Called via glEnd. - */ -static void GLAPIENTRY vbo_exec_End( void ) -{ - GET_CURRENT_CONTEXT( ctx ); - - if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) { - struct vbo_exec_context *exec = &vbo_context(ctx)->exec; - int idx = exec->vtx.vert_count; - int i = exec->vtx.prim_count - 1; - - exec->vtx.prim[i].end = 1; - exec->vtx.prim[i].count = idx - exec->vtx.prim[i].start; - - ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END; - - if (exec->vtx.prim_count == VBO_MAX_PRIM) - vbo_exec_vtx_flush( exec, GL_FALSE ); - } - else - _mesa_error( ctx, GL_INVALID_OPERATION, "glEnd" ); -} - - -/** - * Called via glPrimitiveRestartNV() - */ -static void GLAPIENTRY -vbo_exec_PrimitiveRestartNV(void) -{ - GLenum curPrim; - GET_CURRENT_CONTEXT( ctx ); - - curPrim = ctx->Driver.CurrentExecPrimitive; - - if (curPrim == PRIM_OUTSIDE_BEGIN_END) { - _mesa_error( ctx, GL_INVALID_OPERATION, "glPrimitiveRestartNV" ); - } - else { - vbo_exec_End(); - vbo_exec_Begin(curPrim); - } -} - - - -static void vbo_exec_vtxfmt_init( struct vbo_exec_context *exec ) -{ - GLvertexformat *vfmt = &exec->vtxfmt; - - _MESA_INIT_ARRAYELT_VTXFMT(vfmt, _ae_); - - vfmt->Begin = vbo_exec_Begin; - vfmt->End = vbo_exec_End; - vfmt->PrimitiveRestartNV = vbo_exec_PrimitiveRestartNV; - - _MESA_INIT_DLIST_VTXFMT(vfmt, _mesa_); - _MESA_INIT_EVAL_VTXFMT(vfmt, vbo_exec_); - - vfmt->Rectf = _mesa_noop_Rectf; - - /* from attrib_tmp.h: - */ - vfmt->Color3f = vbo_Color3f; - vfmt->Color3fv = vbo_Color3fv; - vfmt->Color4f = vbo_Color4f; - vfmt->Color4fv = vbo_Color4fv; - vfmt->FogCoordfEXT = vbo_FogCoordfEXT; - vfmt->FogCoordfvEXT = vbo_FogCoordfvEXT; - vfmt->MultiTexCoord1fARB = vbo_MultiTexCoord1f; - vfmt->MultiTexCoord1fvARB = vbo_MultiTexCoord1fv; - vfmt->MultiTexCoord2fARB = vbo_MultiTexCoord2f; - vfmt->MultiTexCoord2fvARB = vbo_MultiTexCoord2fv; - vfmt->MultiTexCoord3fARB = vbo_MultiTexCoord3f; - vfmt->MultiTexCoord3fvARB = vbo_MultiTexCoord3fv; - vfmt->MultiTexCoord4fARB = vbo_MultiTexCoord4f; - vfmt->MultiTexCoord4fvARB = vbo_MultiTexCoord4fv; - vfmt->Normal3f = vbo_Normal3f; - vfmt->Normal3fv = vbo_Normal3fv; - vfmt->SecondaryColor3fEXT = vbo_SecondaryColor3fEXT; - vfmt->SecondaryColor3fvEXT = vbo_SecondaryColor3fvEXT; - vfmt->TexCoord1f = vbo_TexCoord1f; - vfmt->TexCoord1fv = vbo_TexCoord1fv; - vfmt->TexCoord2f = vbo_TexCoord2f; - vfmt->TexCoord2fv = vbo_TexCoord2fv; - vfmt->TexCoord3f = vbo_TexCoord3f; - vfmt->TexCoord3fv = vbo_TexCoord3fv; - vfmt->TexCoord4f = vbo_TexCoord4f; - vfmt->TexCoord4fv = vbo_TexCoord4fv; - vfmt->Vertex2f = vbo_Vertex2f; - vfmt->Vertex2fv = vbo_Vertex2fv; - vfmt->Vertex3f = vbo_Vertex3f; - vfmt->Vertex3fv = vbo_Vertex3fv; - vfmt->Vertex4f = vbo_Vertex4f; - vfmt->Vertex4fv = vbo_Vertex4fv; - - vfmt->VertexAttrib1fARB = vbo_VertexAttrib1fARB; - vfmt->VertexAttrib1fvARB = vbo_VertexAttrib1fvARB; - vfmt->VertexAttrib2fARB = vbo_VertexAttrib2fARB; - vfmt->VertexAttrib2fvARB = vbo_VertexAttrib2fvARB; - vfmt->VertexAttrib3fARB = vbo_VertexAttrib3fARB; - vfmt->VertexAttrib3fvARB = vbo_VertexAttrib3fvARB; - vfmt->VertexAttrib4fARB = vbo_VertexAttrib4fARB; - vfmt->VertexAttrib4fvARB = vbo_VertexAttrib4fvARB; - - vfmt->VertexAttrib1fNV = vbo_VertexAttrib1fNV; - vfmt->VertexAttrib1fvNV = vbo_VertexAttrib1fvNV; - vfmt->VertexAttrib2fNV = vbo_VertexAttrib2fNV; - vfmt->VertexAttrib2fvNV = vbo_VertexAttrib2fvNV; - vfmt->VertexAttrib3fNV = vbo_VertexAttrib3fNV; - vfmt->VertexAttrib3fvNV = vbo_VertexAttrib3fvNV; - vfmt->VertexAttrib4fNV = vbo_VertexAttrib4fNV; - vfmt->VertexAttrib4fvNV = vbo_VertexAttrib4fvNV; - - /* integer-valued */ - vfmt->VertexAttribI1i = vbo_VertexAttribI1i; - vfmt->VertexAttribI2i = vbo_VertexAttribI2i; - vfmt->VertexAttribI3i = vbo_VertexAttribI3i; - vfmt->VertexAttribI4i = vbo_VertexAttribI4i; - vfmt->VertexAttribI2iv = vbo_VertexAttribI2iv; - vfmt->VertexAttribI3iv = vbo_VertexAttribI3iv; - vfmt->VertexAttribI4iv = vbo_VertexAttribI4iv; - - /* unsigned integer-valued */ - vfmt->VertexAttribI1ui = vbo_VertexAttribI1ui; - vfmt->VertexAttribI2ui = vbo_VertexAttribI2ui; - vfmt->VertexAttribI3ui = vbo_VertexAttribI3ui; - vfmt->VertexAttribI4ui = vbo_VertexAttribI4ui; - vfmt->VertexAttribI2uiv = vbo_VertexAttribI2uiv; - vfmt->VertexAttribI3uiv = vbo_VertexAttribI3uiv; - vfmt->VertexAttribI4uiv = vbo_VertexAttribI4uiv; - - vfmt->Materialfv = vbo_Materialfv; - - vfmt->EdgeFlag = vbo_EdgeFlag; - vfmt->Indexf = vbo_Indexf; - vfmt->Indexfv = vbo_Indexfv; - -} - - -#else /* FEATURE_beginend */ - - -static void vbo_exec_vtxfmt_init( struct vbo_exec_context *exec ) -{ - /* silence warnings */ - (void) vbo_Color3f; - (void) vbo_Color3fv; - (void) vbo_Color4f; - (void) vbo_Color4fv; - (void) vbo_FogCoordfEXT; - (void) vbo_FogCoordfvEXT; - (void) vbo_MultiTexCoord1f; - (void) vbo_MultiTexCoord1fv; - (void) vbo_MultiTexCoord2f; - (void) vbo_MultiTexCoord2fv; - (void) vbo_MultiTexCoord3f; - (void) vbo_MultiTexCoord3fv; - (void) vbo_MultiTexCoord4f; - (void) vbo_MultiTexCoord4fv; - (void) vbo_Normal3f; - (void) vbo_Normal3fv; - (void) vbo_SecondaryColor3fEXT; - (void) vbo_SecondaryColor3fvEXT; - (void) vbo_TexCoord1f; - (void) vbo_TexCoord1fv; - (void) vbo_TexCoord2f; - (void) vbo_TexCoord2fv; - (void) vbo_TexCoord3f; - (void) vbo_TexCoord3fv; - (void) vbo_TexCoord4f; - (void) vbo_TexCoord4fv; - (void) vbo_Vertex2f; - (void) vbo_Vertex2fv; - (void) vbo_Vertex3f; - (void) vbo_Vertex3fv; - (void) vbo_Vertex4f; - (void) vbo_Vertex4fv; - - (void) vbo_VertexAttrib1fARB; - (void) vbo_VertexAttrib1fvARB; - (void) vbo_VertexAttrib2fARB; - (void) vbo_VertexAttrib2fvARB; - (void) vbo_VertexAttrib3fARB; - (void) vbo_VertexAttrib3fvARB; - (void) vbo_VertexAttrib4fARB; - (void) vbo_VertexAttrib4fvARB; - - (void) vbo_VertexAttrib1fNV; - (void) vbo_VertexAttrib1fvNV; - (void) vbo_VertexAttrib2fNV; - (void) vbo_VertexAttrib2fvNV; - (void) vbo_VertexAttrib3fNV; - (void) vbo_VertexAttrib3fvNV; - (void) vbo_VertexAttrib4fNV; - (void) vbo_VertexAttrib4fvNV; - - (void) vbo_Materialfv; - - (void) vbo_EdgeFlag; - (void) vbo_Indexf; - (void) vbo_Indexfv; -} - - -#endif /* FEATURE_beginend */ - - -/** - * Tell the VBO module to use a real OpenGL vertex buffer object to - * store accumulated immediate-mode vertex data. - * This replaces the malloced buffer which was created in - * vb_exec_vtx_init() below. - */ -void vbo_use_buffer_objects(struct gl_context *ctx) -{ - struct vbo_exec_context *exec = &vbo_context(ctx)->exec; - /* Any buffer name but 0 can be used here since this bufferobj won't - * go into the bufferobj hashtable. - */ - GLuint bufName = IMM_BUFFER_NAME; - GLenum target = GL_ARRAY_BUFFER_ARB; - GLenum usage = GL_STREAM_DRAW_ARB; - GLsizei size = VBO_VERT_BUFFER_SIZE; - - /* Make sure this func is only used once */ - assert(exec->vtx.bufferobj == ctx->Shared->NullBufferObj); - if (exec->vtx.buffer_map) { - _mesa_align_free(exec->vtx.buffer_map); - exec->vtx.buffer_map = NULL; - exec->vtx.buffer_ptr = NULL; - } - - /* Allocate a real buffer object now */ - _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL); - exec->vtx.bufferobj = ctx->Driver.NewBufferObject(ctx, bufName, target); - ctx->Driver.BufferData(ctx, target, size, NULL, usage, exec->vtx.bufferobj); -} - - -/** - * If this function is called, all VBO buffers will be unmapped when - * we flush. - * Otherwise, if a simple command like glColor3f() is called and we flush, - * the current VBO may be left mapped. - */ -void -vbo_always_unmap_buffers(struct gl_context *ctx) -{ - struct vbo_exec_context *exec = &vbo_context(ctx)->exec; - exec->begin_vertices_flags |= FLUSH_STORED_VERTICES; -} - - -void vbo_exec_vtx_init( struct vbo_exec_context *exec ) -{ - struct gl_context *ctx = exec->ctx; - struct vbo_context *vbo = vbo_context(ctx); - GLuint i; - - /* Allocate a buffer object. Will just reuse this object - * continuously, unless vbo_use_buffer_objects() is called to enable - * use of real VBOs. - */ - _mesa_reference_buffer_object(ctx, - &exec->vtx.bufferobj, - ctx->Shared->NullBufferObj); - - ASSERT(!exec->vtx.buffer_map); - exec->vtx.buffer_map = (GLfloat *)_mesa_align_malloc(VBO_VERT_BUFFER_SIZE, 64); - exec->vtx.buffer_ptr = exec->vtx.buffer_map; - - vbo_exec_vtxfmt_init( exec ); - - /* Hook our functions into the dispatch table. - */ - _mesa_install_exec_vtxfmt( ctx, &exec->vtxfmt ); - - for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) { - ASSERT(i < Elements(exec->vtx.attrsz)); - exec->vtx.attrsz[i] = 0; - ASSERT(i < Elements(exec->vtx.active_sz)); - exec->vtx.active_sz[i] = 0; - } - for (i = 0 ; i < VERT_ATTRIB_MAX; i++) { - ASSERT(i < Elements(exec->vtx.inputs)); - ASSERT(i < Elements(exec->vtx.arrays)); - exec->vtx.inputs[i] = &exec->vtx.arrays[i]; - } - - { - struct gl_client_array *arrays = exec->vtx.arrays; - unsigned i; - - memcpy(arrays, vbo->legacy_currval, 16 * sizeof(arrays[0])); - memcpy(arrays + 16, vbo->generic_currval, 16 * sizeof(arrays[0])); - - for (i = 0; i < 16; ++i) { - arrays[i ].BufferObj = NULL; - arrays[i + 16].BufferObj = NULL; - _mesa_reference_buffer_object(ctx, &arrays[i ].BufferObj, - vbo->legacy_currval[i].BufferObj); - _mesa_reference_buffer_object(ctx, &arrays[i + 16].BufferObj, - vbo->generic_currval[i].BufferObj); - } - } - - exec->vtx.vertex_size = 0; - - exec->begin_vertices_flags = FLUSH_UPDATE_CURRENT; -} - - -void vbo_exec_vtx_destroy( struct vbo_exec_context *exec ) -{ - /* using a real VBO for vertex data */ - struct gl_context *ctx = exec->ctx; - unsigned i; - - /* True VBOs should already be unmapped - */ - if (exec->vtx.buffer_map) { - ASSERT(exec->vtx.bufferobj->Name == 0 || - exec->vtx.bufferobj->Name == IMM_BUFFER_NAME); - if (exec->vtx.bufferobj->Name == 0) { - _mesa_align_free(exec->vtx.buffer_map); - exec->vtx.buffer_map = NULL; - exec->vtx.buffer_ptr = NULL; - } - } - - /* Drop any outstanding reference to the vertex buffer - */ - for (i = 0; i < Elements(exec->vtx.arrays); i++) { - _mesa_reference_buffer_object(ctx, - &exec->vtx.arrays[i].BufferObj, - NULL); - } - - /* Free the vertex buffer. Unmap first if needed. - */ - if (_mesa_bufferobj_mapped(exec->vtx.bufferobj)) { - ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER, exec->vtx.bufferobj); - } - _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL); -} - - -/** - * Called upon first glVertex, glColor, glTexCoord, etc. - */ -void vbo_exec_BeginVertices( struct gl_context *ctx ) -{ - struct vbo_exec_context *exec = &vbo_context(ctx)->exec; - - vbo_exec_vtx_map( exec ); - - assert((ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT) == 0); - assert(exec->begin_vertices_flags); - - ctx->Driver.NeedFlush |= exec->begin_vertices_flags; -} - - -/** - * Called via ctx->Driver.FlushVertices() - * \param flags bitmask of FLUSH_STORED_VERTICES, FLUSH_UPDATE_CURRENT - */ -void vbo_exec_FlushVertices( struct gl_context *ctx, GLuint flags ) -{ - struct vbo_exec_context *exec = &vbo_context(ctx)->exec; - -#ifdef DEBUG - /* debug check: make sure we don't get called recursively */ - exec->flush_call_depth++; - assert(exec->flush_call_depth == 1); -#endif - - if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) { - /* We've had glBegin but not glEnd! */ -#ifdef DEBUG - exec->flush_call_depth--; - assert(exec->flush_call_depth == 0); -#endif - return; - } - - /* Flush (draw), and make sure VBO is left unmapped when done */ - vbo_exec_FlushVertices_internal(exec, GL_TRUE); - - /* Need to do this to ensure BeginVertices gets called again: - */ - ctx->Driver.NeedFlush &= ~(FLUSH_UPDATE_CURRENT | flags); - -#ifdef DEBUG - exec->flush_call_depth--; - assert(exec->flush_call_depth == 0); -#endif -} - - -static void reset_attrfv( struct vbo_exec_context *exec ) -{ - GLuint i; - - for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) { - exec->vtx.attrsz[i] = 0; - exec->vtx.active_sz[i] = 0; - } - - exec->vtx.vertex_size = 0; -} - - -void GLAPIENTRY -_es_Color4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a) -{ - vbo_Color4f(r, g, b, a); -} - - -void GLAPIENTRY -_es_Normal3f(GLfloat x, GLfloat y, GLfloat z) -{ - vbo_Normal3f(x, y, z); -} - - -void GLAPIENTRY -_es_MultiTexCoord4f(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q) -{ - vbo_MultiTexCoord4f(target, s, t, r, q); -} - - -void GLAPIENTRY -_es_Materialfv(GLenum face, GLenum pname, const GLfloat *params) -{ - vbo_Materialfv(face, pname, params); -} - - -void GLAPIENTRY -_es_Materialf(GLenum face, GLenum pname, GLfloat param) -{ - GLfloat p[4]; - p[0] = param; - p[1] = p[2] = p[3] = 0.0F; - vbo_Materialfv(face, pname, p); -} - - -/** - * A special version of glVertexAttrib4f that does not treat index 0 as - * VBO_ATTRIB_POS. - */ -static void -VertexAttrib4f_nopos(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w) -{ - GET_CURRENT_CONTEXT(ctx); - if (index < MAX_VERTEX_GENERIC_ATTRIBS) - ATTR(VBO_ATTRIB_GENERIC0 + index, 4, x, y, z, w); - else - ERROR(GL_INVALID_VALUE); -} - -void GLAPIENTRY -_es_VertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w) -{ - VertexAttrib4f_nopos(index, x, y, z, w); -} - - -void GLAPIENTRY -_es_VertexAttrib1f(GLuint indx, GLfloat x) -{ - VertexAttrib4f_nopos(indx, x, 0.0f, 0.0f, 1.0f); -} - - -void GLAPIENTRY -_es_VertexAttrib1fv(GLuint indx, const GLfloat* values) -{ - VertexAttrib4f_nopos(indx, values[0], 0.0f, 0.0f, 1.0f); -} - - -void GLAPIENTRY -_es_VertexAttrib2f(GLuint indx, GLfloat x, GLfloat y) -{ - VertexAttrib4f_nopos(indx, x, y, 0.0f, 1.0f); -} - - -void GLAPIENTRY -_es_VertexAttrib2fv(GLuint indx, const GLfloat* values) -{ - VertexAttrib4f_nopos(indx, values[0], values[1], 0.0f, 1.0f); -} - - -void GLAPIENTRY -_es_VertexAttrib3f(GLuint indx, GLfloat x, GLfloat y, GLfloat z) -{ - VertexAttrib4f_nopos(indx, x, y, z, 1.0f); -} - - -void GLAPIENTRY -_es_VertexAttrib3fv(GLuint indx, const GLfloat* values) -{ - VertexAttrib4f_nopos(indx, values[0], values[1], values[2], 1.0f); -} - - -void GLAPIENTRY -_es_VertexAttrib4fv(GLuint indx, const GLfloat* values) -{ - VertexAttrib4f_nopos(indx, values[0], values[1], values[2], values[3]); -} +/**************************************************************************
+
+Copyright 2002-2008 Tungsten Graphics Inc., Cedar Park, Texas.
+
+All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+on the rights to use, copy, modify, merge, publish, distribute, sub
+license, and/or sell copies of the Software, and to permit persons to whom
+the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#include "main/glheader.h"
+#include "main/bufferobj.h"
+#include "main/context.h"
+#include "main/macros.h"
+#include "main/mfeatures.h"
+#include "main/vtxfmt.h"
+#include "main/dlist.h"
+#include "main/eval.h"
+#include "main/state.h"
+#include "main/light.h"
+#include "main/api_arrayelt.h"
+#include "main/api_noop.h"
+#include "main/dispatch.h"
+
+#include "vbo_context.h"
+
+#ifdef ERROR
+#undef ERROR
+#endif
+
+
+/** ID/name for immediate-mode VBO */
+#define IMM_BUFFER_NAME 0xaabbccdd
+
+
+static void reset_attrfv( struct vbo_exec_context *exec );
+
+
+/**
+ * Close off the last primitive, execute the buffer, restart the
+ * primitive.
+ */
+static void vbo_exec_wrap_buffers( struct vbo_exec_context *exec )
+{
+ if (exec->vtx.prim_count == 0) {
+ exec->vtx.copied.nr = 0;
+ exec->vtx.vert_count = 0;
+ exec->vtx.buffer_ptr = exec->vtx.buffer_map;
+ }
+ else {
+ GLuint last_begin = exec->vtx.prim[exec->vtx.prim_count-1].begin;
+ GLuint last_count;
+
+ if (exec->ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) {
+ GLint i = exec->vtx.prim_count - 1;
+ assert(i >= 0);
+ exec->vtx.prim[i].count = (exec->vtx.vert_count -
+ exec->vtx.prim[i].start);
+ }
+
+ last_count = exec->vtx.prim[exec->vtx.prim_count-1].count;
+
+ /* Execute the buffer and save copied vertices.
+ */
+ if (exec->vtx.vert_count)
+ vbo_exec_vtx_flush( exec, GL_FALSE );
+ else {
+ exec->vtx.prim_count = 0;
+ exec->vtx.copied.nr = 0;
+ }
+
+ /* Emit a glBegin to start the new list.
+ */
+ assert(exec->vtx.prim_count == 0);
+
+ if (exec->ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) {
+ exec->vtx.prim[0].mode = exec->ctx->Driver.CurrentExecPrimitive;
+ exec->vtx.prim[0].start = 0;
+ exec->vtx.prim[0].count = 0;
+ exec->vtx.prim_count++;
+
+ if (exec->vtx.copied.nr == last_count)
+ exec->vtx.prim[0].begin = last_begin;
+ }
+ }
+}
+
+
+/**
+ * Deal with buffer wrapping where provoked by the vertex buffer
+ * filling up, as opposed to upgrade_vertex().
+ */
+void vbo_exec_vtx_wrap( struct vbo_exec_context *exec )
+{
+ GLfloat *data = exec->vtx.copied.buffer;
+ GLuint i;
+
+ /* Run pipeline on current vertices, copy wrapped vertices
+ * to exec->vtx.copied.
+ */
+ vbo_exec_wrap_buffers( exec );
+
+ /* Copy stored stored vertices to start of new list.
+ */
+ assert(exec->vtx.max_vert - exec->vtx.vert_count > exec->vtx.copied.nr);
+
+ for (i = 0 ; i < exec->vtx.copied.nr ; i++) {
+ memcpy( exec->vtx.buffer_ptr, data,
+ exec->vtx.vertex_size * sizeof(GLfloat));
+ exec->vtx.buffer_ptr += exec->vtx.vertex_size;
+ data += exec->vtx.vertex_size;
+ exec->vtx.vert_count++;
+ }
+
+ exec->vtx.copied.nr = 0;
+}
+
+
+/**
+ * Copy the active vertex's values to the ctx->Current fields.
+ */
+static void vbo_exec_copy_to_current( struct vbo_exec_context *exec )
+{
+ struct gl_context *ctx = exec->ctx;
+ struct vbo_context *vbo = vbo_context(ctx);
+ GLuint i;
+
+ for (i = VBO_ATTRIB_POS+1 ; i < VBO_ATTRIB_MAX ; i++) {
+ if (exec->vtx.attrsz[i]) {
+ /* Note: the exec->vtx.current[i] pointers point into the
+ * ctx->Current.Attrib and ctx->Light.Material.Attrib arrays.
+ */
+ GLfloat *current = (GLfloat *)vbo->currval[i].Ptr;
+ GLfloat tmp[4];
+
+ COPY_CLEAN_4V(tmp,
+ exec->vtx.attrsz[i],
+ exec->vtx.attrptr[i]);
+
+ if (memcmp(current, tmp, sizeof(tmp)) != 0) {
+ memcpy(current, tmp, sizeof(tmp));
+
+ /* Given that we explicitly state size here, there is no need
+ * for the COPY_CLEAN above, could just copy 16 bytes and be
+ * done. The only problem is when Mesa accesses ctx->Current
+ * directly.
+ */
+ vbo->currval[i].Size = exec->vtx.attrsz[i];
+ assert(vbo->currval[i].Type == GL_FLOAT);
+ vbo->currval[i]._ElementSize = vbo->currval[i].Size * sizeof(GLfloat);
+
+ /* This triggers rather too much recalculation of Mesa state
+ * that doesn't get used (eg light positions).
+ */
+ if (i >= VBO_ATTRIB_MAT_FRONT_AMBIENT &&
+ i <= VBO_ATTRIB_MAT_BACK_INDEXES)
+ ctx->NewState |= _NEW_LIGHT;
+
+ ctx->NewState |= _NEW_CURRENT_ATTRIB;
+ }
+ }
+ }
+
+ /* Colormaterial -- this kindof sucks.
+ */
+ if (ctx->Light.ColorMaterialEnabled &&
+ exec->vtx.attrsz[VBO_ATTRIB_COLOR0]) {
+ _mesa_update_color_material(ctx,
+ ctx->Current.Attrib[VBO_ATTRIB_COLOR0]);
+ }
+}
+
+
+/**
+ * Copy current vertex attribute values into the current vertex.
+ */
+static void
+vbo_exec_copy_from_current(struct vbo_exec_context *exec)
+{
+ struct gl_context *ctx = exec->ctx;
+ struct vbo_context *vbo = vbo_context(ctx);
+ GLint i;
+
+ for (i = VBO_ATTRIB_POS + 1; i < VBO_ATTRIB_MAX; i++) {
+ const GLfloat *current = (GLfloat *) vbo->currval[i].Ptr;
+ switch (exec->vtx.attrsz[i]) {
+ case 4: exec->vtx.attrptr[i][3] = current[3];
+ case 3: exec->vtx.attrptr[i][2] = current[2];
+ case 2: exec->vtx.attrptr[i][1] = current[1];
+ case 1: exec->vtx.attrptr[i][0] = current[0];
+ break;
+ }
+ }
+}
+
+
+/**
+ * Flush existing data, set new attrib size, replay copied vertices.
+ * This is called when we transition from a small vertex attribute size
+ * to a larger one. Ex: glTexCoord2f -> glTexCoord4f.
+ * We need to go back over the previous 2-component texcoords and insert
+ * zero and one values.
+ */
+static void
+vbo_exec_wrap_upgrade_vertex(struct vbo_exec_context *exec,
+ GLuint attr, GLuint newSize )
+{
+ struct gl_context *ctx = exec->ctx;
+ struct vbo_context *vbo = vbo_context(ctx);
+ const GLint lastcount = exec->vtx.vert_count;
+ GLfloat *old_attrptr[VBO_ATTRIB_MAX];
+ const GLuint old_vtx_size = exec->vtx.vertex_size; /* floats per vertex */
+ const GLuint oldSize = exec->vtx.attrsz[attr];
+ GLuint i;
+
+ /* Run pipeline on current vertices, copy wrapped vertices
+ * to exec->vtx.copied.
+ */
+ vbo_exec_wrap_buffers( exec );
+
+ if (unlikely(exec->vtx.copied.nr)) {
+ /* We're in the middle of a primitive, keep the old vertex
+ * format around to be able to translate the copied vertices to
+ * the new format.
+ */
+ memcpy(old_attrptr, exec->vtx.attrptr, sizeof(old_attrptr));
+ }
+
+ if (unlikely(oldSize)) {
+ /* Do a COPY_TO_CURRENT to ensure back-copying works for the
+ * case when the attribute already exists in the vertex and is
+ * having its size increased.
+ */
+ vbo_exec_copy_to_current( exec );
+ }
+
+ /* Heuristic: Attempt to isolate attributes received outside
+ * begin/end so that they don't bloat the vertices.
+ */
+ if (ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END &&
+ !oldSize && lastcount > 8 && exec->vtx.vertex_size) {
+ vbo_exec_copy_to_current( exec );
+ reset_attrfv( exec );
+ }
+
+ /* Fix up sizes:
+ */
+ exec->vtx.attrsz[attr] = newSize;
+ exec->vtx.vertex_size += newSize - oldSize;
+ exec->vtx.max_vert = ((VBO_VERT_BUFFER_SIZE - exec->vtx.buffer_used) /
+ (exec->vtx.vertex_size * sizeof(GLfloat)));
+ exec->vtx.vert_count = 0;
+ exec->vtx.buffer_ptr = exec->vtx.buffer_map;
+
+ if (unlikely(oldSize)) {
+ /* Size changed, recalculate all the attrptr[] values
+ */
+ GLfloat *tmp = exec->vtx.vertex;
+
+ for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) {
+ if (exec->vtx.attrsz[i]) {
+ exec->vtx.attrptr[i] = tmp;
+ tmp += exec->vtx.attrsz[i];
+ }
+ else
+ exec->vtx.attrptr[i] = NULL; /* will not be dereferenced */
+ }
+
+ /* Copy from current to repopulate the vertex with correct
+ * values.
+ */
+ vbo_exec_copy_from_current( exec );
+ }
+ else {
+ /* Just have to append the new attribute at the end */
+ exec->vtx.attrptr[attr] = exec->vtx.vertex +
+ exec->vtx.vertex_size - newSize;
+ }
+
+ /* Replay stored vertices to translate them
+ * to new format here.
+ *
+ * -- No need to replay - just copy piecewise
+ */
+ if (unlikely(exec->vtx.copied.nr)) {
+ GLfloat *data = exec->vtx.copied.buffer;
+ GLfloat *dest = exec->vtx.buffer_ptr;
+ GLuint j;
+
+ assert(exec->vtx.buffer_ptr == exec->vtx.buffer_map);
+
+ for (i = 0 ; i < exec->vtx.copied.nr ; i++) {
+ for (j = 0 ; j < VBO_ATTRIB_MAX ; j++) {
+ GLuint sz = exec->vtx.attrsz[j];
+
+ if (sz) {
+ GLint old_offset = old_attrptr[j] - exec->vtx.vertex;
+ GLint new_offset = exec->vtx.attrptr[j] - exec->vtx.vertex;
+
+ if (j == attr) {
+ if (oldSize) {
+ GLfloat tmp[4];
+ COPY_CLEAN_4V(tmp, oldSize, data + old_offset);
+ COPY_SZ_4V(dest + new_offset, newSize, tmp);
+ } else {
+ GLfloat *current = (GLfloat *)vbo->currval[j].Ptr;
+ COPY_SZ_4V(dest + new_offset, sz, current);
+ }
+ }
+ else {
+ COPY_SZ_4V(dest + new_offset, sz, data + old_offset);
+ }
+ }
+ }
+
+ data += old_vtx_size;
+ dest += exec->vtx.vertex_size;
+ }
+
+ exec->vtx.buffer_ptr = dest;
+ exec->vtx.vert_count += exec->vtx.copied.nr;
+ exec->vtx.copied.nr = 0;
+ }
+}
+
+
+/**
+ * This is when a vertex attribute transitions to a different size.
+ * For example, we saw a bunch of glTexCoord2f() calls and now we got a
+ * glTexCoord4f() call. We promote the array from size=2 to size=4.
+ */
+static void
+vbo_exec_fixup_vertex(struct gl_context *ctx, GLuint attr, GLuint newSize)
+{
+ struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
+
+ if (newSize > exec->vtx.attrsz[attr]) {
+ /* New size is larger. Need to flush existing vertices and get
+ * an enlarged vertex format.
+ */
+ vbo_exec_wrap_upgrade_vertex( exec, attr, newSize );
+ }
+ else if (newSize < exec->vtx.active_sz[attr]) {
+ static const GLfloat id[4] = { 0, 0, 0, 1 };
+ GLuint i;
+
+ /* New size is smaller - just need to fill in some
+ * zeros. Don't need to flush or wrap.
+ */
+ for (i = newSize; i <= exec->vtx.attrsz[attr]; i++)
+ exec->vtx.attrptr[attr][i-1] = id[i-1];
+ }
+
+ exec->vtx.active_sz[attr] = newSize;
+
+ /* Does setting NeedFlush belong here? Necessitates resetting
+ * vtxfmt on each flush (otherwise flags won't get reset
+ * afterwards).
+ */
+ if (attr == 0)
+ ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES;
+}
+
+
+/**
+ * This macro is used to implement all the glVertex, glColor, glTexCoord,
+ * glVertexAttrib, etc functions.
+ */
+#define ATTR( A, N, V0, V1, V2, V3 ) \
+do { \
+ struct vbo_exec_context *exec = &vbo_context(ctx)->exec; \
+ \
+ if (unlikely(!(ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT))) \
+ ctx->Driver.BeginVertices( ctx ); \
+ \
+ if (unlikely(exec->vtx.active_sz[A] != N)) \
+ vbo_exec_fixup_vertex(ctx, A, N); \
+ \
+ { \
+ GLfloat *dest = exec->vtx.attrptr[A]; \
+ if (N>0) dest[0] = V0; \
+ if (N>1) dest[1] = V1; \
+ if (N>2) dest[2] = V2; \
+ if (N>3) dest[3] = V3; \
+ } \
+ \
+ if ((A) == 0) { \
+ /* This is a glVertex call */ \
+ GLuint i; \
+ \
+ for (i = 0; i < exec->vtx.vertex_size; i++) \
+ exec->vtx.buffer_ptr[i] = exec->vtx.vertex[i]; \
+ \
+ exec->vtx.buffer_ptr += exec->vtx.vertex_size; \
+ \
+ /* Set FLUSH_STORED_VERTICES to indicate that there's now */ \
+ /* something to draw (not just updating a color or texcoord).*/ \
+ ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES; \
+ \
+ if (++exec->vtx.vert_count >= exec->vtx.max_vert) \
+ vbo_exec_vtx_wrap( exec ); \
+ } \
+} while (0)
+
+
+#define ERROR(err) _mesa_error( ctx, err, __FUNCTION__ )
+#define TAG(x) vbo_##x
+
+#include "vbo_attrib_tmp.h"
+
+
+#if FEATURE_beginend
+
+
+#if FEATURE_evaluators
+
+static void GLAPIENTRY vbo_exec_EvalCoord1f( GLfloat u )
+{
+ GET_CURRENT_CONTEXT( ctx );
+ struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
+
+ {
+ GLint i;
+ if (exec->eval.recalculate_maps)
+ vbo_exec_eval_update( exec );
+
+ for (i = 0; i <= VBO_ATTRIB_TEX7; i++) {
+ if (exec->eval.map1[i].map)
+ if (exec->vtx.active_sz[i] != exec->eval.map1[i].sz)
+ vbo_exec_fixup_vertex( ctx, i, exec->eval.map1[i].sz );
+ }
+ }
+
+
+ memcpy( exec->vtx.copied.buffer, exec->vtx.vertex,
+ exec->vtx.vertex_size * sizeof(GLfloat));
+
+ vbo_exec_do_EvalCoord1f( exec, u );
+
+ memcpy( exec->vtx.vertex, exec->vtx.copied.buffer,
+ exec->vtx.vertex_size * sizeof(GLfloat));
+}
+
+static void GLAPIENTRY vbo_exec_EvalCoord2f( GLfloat u, GLfloat v )
+{
+ GET_CURRENT_CONTEXT( ctx );
+ struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
+
+ {
+ GLint i;
+ if (exec->eval.recalculate_maps)
+ vbo_exec_eval_update( exec );
+
+ for (i = 0; i <= VBO_ATTRIB_TEX7; i++) {
+ if (exec->eval.map2[i].map)
+ if (exec->vtx.active_sz[i] != exec->eval.map2[i].sz)
+ vbo_exec_fixup_vertex( ctx, i, exec->eval.map2[i].sz );
+ }
+
+ if (ctx->Eval.AutoNormal)
+ if (exec->vtx.active_sz[VBO_ATTRIB_NORMAL] != 3)
+ vbo_exec_fixup_vertex( ctx, VBO_ATTRIB_NORMAL, 3 );
+ }
+
+ memcpy( exec->vtx.copied.buffer, exec->vtx.vertex,
+ exec->vtx.vertex_size * sizeof(GLfloat));
+
+ vbo_exec_do_EvalCoord2f( exec, u, v );
+
+ memcpy( exec->vtx.vertex, exec->vtx.copied.buffer,
+ exec->vtx.vertex_size * sizeof(GLfloat));
+}
+
+static void GLAPIENTRY vbo_exec_EvalCoord1fv( const GLfloat *u )
+{
+ vbo_exec_EvalCoord1f( u[0] );
+}
+
+static void GLAPIENTRY vbo_exec_EvalCoord2fv( const GLfloat *u )
+{
+ vbo_exec_EvalCoord2f( u[0], u[1] );
+}
+
+static void GLAPIENTRY vbo_exec_EvalPoint1( GLint i )
+{
+ GET_CURRENT_CONTEXT( ctx );
+ GLfloat du = ((ctx->Eval.MapGrid1u2 - ctx->Eval.MapGrid1u1) /
+ (GLfloat) ctx->Eval.MapGrid1un);
+ GLfloat u = i * du + ctx->Eval.MapGrid1u1;
+
+ vbo_exec_EvalCoord1f( u );
+}
+
+
+static void GLAPIENTRY vbo_exec_EvalPoint2( GLint i, GLint j )
+{
+ GET_CURRENT_CONTEXT( ctx );
+ GLfloat du = ((ctx->Eval.MapGrid2u2 - ctx->Eval.MapGrid2u1) /
+ (GLfloat) ctx->Eval.MapGrid2un);
+ GLfloat dv = ((ctx->Eval.MapGrid2v2 - ctx->Eval.MapGrid2v1) /
+ (GLfloat) ctx->Eval.MapGrid2vn);
+ GLfloat u = i * du + ctx->Eval.MapGrid2u1;
+ GLfloat v = j * dv + ctx->Eval.MapGrid2v1;
+
+ vbo_exec_EvalCoord2f( u, v );
+}
+
+/* use noop eval mesh */
+#define vbo_exec_EvalMesh1 _mesa_noop_EvalMesh1
+#define vbo_exec_EvalMesh2 _mesa_noop_EvalMesh2
+
+#endif /* FEATURE_evaluators */
+
+
+/**
+ * Flush (draw) vertices.
+ * \param unmap - leave VBO unmapped after flushing?
+ */
+static void
+vbo_exec_FlushVertices_internal(struct vbo_exec_context *exec, GLboolean unmap)
+{
+ if (exec->vtx.vert_count || unmap) {
+ vbo_exec_vtx_flush( exec, unmap );
+ }
+
+ if (exec->vtx.vertex_size) {
+ vbo_exec_copy_to_current( exec );
+ reset_attrfv( exec );
+ }
+}
+
+
+/**
+ * Called via glBegin.
+ */
+static void GLAPIENTRY vbo_exec_Begin( GLenum mode )
+{
+ GET_CURRENT_CONTEXT( ctx );
+
+ if (ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END) {
+ struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
+ int i;
+
+ if (ctx->NewState) {
+ _mesa_update_state( ctx );
+
+ CALL_Begin(ctx->Exec, (mode));
+ return;
+ }
+
+ if (!_mesa_valid_to_render(ctx, "glBegin")) {
+ return;
+ }
+
+ /* Heuristic: attempt to isolate attributes occuring outside
+ * begin/end pairs.
+ */
+ if (exec->vtx.vertex_size && !exec->vtx.attrsz[0])
+ vbo_exec_FlushVertices_internal(exec, GL_FALSE);
+
+ i = exec->vtx.prim_count++;
+ exec->vtx.prim[i].mode = mode;
+ exec->vtx.prim[i].begin = 1;
+ exec->vtx.prim[i].end = 0;
+ exec->vtx.prim[i].indexed = 0;
+ exec->vtx.prim[i].weak = 0;
+ exec->vtx.prim[i].pad = 0;
+ exec->vtx.prim[i].start = exec->vtx.vert_count;
+ exec->vtx.prim[i].count = 0;
+ exec->vtx.prim[i].num_instances = 1;
+
+ ctx->Driver.CurrentExecPrimitive = mode;
+ }
+ else
+ _mesa_error( ctx, GL_INVALID_OPERATION, "glBegin" );
+
+}
+
+
+/**
+ * Called via glEnd.
+ */
+static void GLAPIENTRY vbo_exec_End( void )
+{
+ GET_CURRENT_CONTEXT( ctx );
+
+ if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) {
+ struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
+ int idx = exec->vtx.vert_count;
+ int i = exec->vtx.prim_count - 1;
+
+ exec->vtx.prim[i].end = 1;
+ exec->vtx.prim[i].count = idx - exec->vtx.prim[i].start;
+
+ ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
+
+ if (exec->vtx.prim_count == VBO_MAX_PRIM)
+ vbo_exec_vtx_flush( exec, GL_FALSE );
+ }
+ else
+ _mesa_error( ctx, GL_INVALID_OPERATION, "glEnd" );
+}
+
+
+/**
+ * Called via glPrimitiveRestartNV()
+ */
+static void GLAPIENTRY
+vbo_exec_PrimitiveRestartNV(void)
+{
+ GLenum curPrim;
+ GET_CURRENT_CONTEXT( ctx );
+
+ curPrim = ctx->Driver.CurrentExecPrimitive;
+
+ if (curPrim == PRIM_OUTSIDE_BEGIN_END) {
+ _mesa_error( ctx, GL_INVALID_OPERATION, "glPrimitiveRestartNV" );
+ }
+ else {
+ vbo_exec_End();
+ vbo_exec_Begin(curPrim);
+ }
+}
+
+
+
+static void vbo_exec_vtxfmt_init( struct vbo_exec_context *exec )
+{
+ GLvertexformat *vfmt = &exec->vtxfmt;
+
+ _MESA_INIT_ARRAYELT_VTXFMT(vfmt, _ae_);
+
+ vfmt->Begin = vbo_exec_Begin;
+ vfmt->End = vbo_exec_End;
+ vfmt->PrimitiveRestartNV = vbo_exec_PrimitiveRestartNV;
+
+ _MESA_INIT_DLIST_VTXFMT(vfmt, _mesa_);
+ _MESA_INIT_EVAL_VTXFMT(vfmt, vbo_exec_);
+
+ vfmt->Rectf = _mesa_noop_Rectf;
+
+ /* from attrib_tmp.h:
+ */
+ vfmt->Color3f = vbo_Color3f;
+ vfmt->Color3fv = vbo_Color3fv;
+ vfmt->Color4f = vbo_Color4f;
+ vfmt->Color4fv = vbo_Color4fv;
+ vfmt->FogCoordfEXT = vbo_FogCoordfEXT;
+ vfmt->FogCoordfvEXT = vbo_FogCoordfvEXT;
+ vfmt->MultiTexCoord1fARB = vbo_MultiTexCoord1f;
+ vfmt->MultiTexCoord1fvARB = vbo_MultiTexCoord1fv;
+ vfmt->MultiTexCoord2fARB = vbo_MultiTexCoord2f;
+ vfmt->MultiTexCoord2fvARB = vbo_MultiTexCoord2fv;
+ vfmt->MultiTexCoord3fARB = vbo_MultiTexCoord3f;
+ vfmt->MultiTexCoord3fvARB = vbo_MultiTexCoord3fv;
+ vfmt->MultiTexCoord4fARB = vbo_MultiTexCoord4f;
+ vfmt->MultiTexCoord4fvARB = vbo_MultiTexCoord4fv;
+ vfmt->Normal3f = vbo_Normal3f;
+ vfmt->Normal3fv = vbo_Normal3fv;
+ vfmt->SecondaryColor3fEXT = vbo_SecondaryColor3fEXT;
+ vfmt->SecondaryColor3fvEXT = vbo_SecondaryColor3fvEXT;
+ vfmt->TexCoord1f = vbo_TexCoord1f;
+ vfmt->TexCoord1fv = vbo_TexCoord1fv;
+ vfmt->TexCoord2f = vbo_TexCoord2f;
+ vfmt->TexCoord2fv = vbo_TexCoord2fv;
+ vfmt->TexCoord3f = vbo_TexCoord3f;
+ vfmt->TexCoord3fv = vbo_TexCoord3fv;
+ vfmt->TexCoord4f = vbo_TexCoord4f;
+ vfmt->TexCoord4fv = vbo_TexCoord4fv;
+ vfmt->Vertex2f = vbo_Vertex2f;
+ vfmt->Vertex2fv = vbo_Vertex2fv;
+ vfmt->Vertex3f = vbo_Vertex3f;
+ vfmt->Vertex3fv = vbo_Vertex3fv;
+ vfmt->Vertex4f = vbo_Vertex4f;
+ vfmt->Vertex4fv = vbo_Vertex4fv;
+
+ vfmt->VertexAttrib1fARB = vbo_VertexAttrib1fARB;
+ vfmt->VertexAttrib1fvARB = vbo_VertexAttrib1fvARB;
+ vfmt->VertexAttrib2fARB = vbo_VertexAttrib2fARB;
+ vfmt->VertexAttrib2fvARB = vbo_VertexAttrib2fvARB;
+ vfmt->VertexAttrib3fARB = vbo_VertexAttrib3fARB;
+ vfmt->VertexAttrib3fvARB = vbo_VertexAttrib3fvARB;
+ vfmt->VertexAttrib4fARB = vbo_VertexAttrib4fARB;
+ vfmt->VertexAttrib4fvARB = vbo_VertexAttrib4fvARB;
+
+ vfmt->VertexAttrib1fNV = vbo_VertexAttrib1fNV;
+ vfmt->VertexAttrib1fvNV = vbo_VertexAttrib1fvNV;
+ vfmt->VertexAttrib2fNV = vbo_VertexAttrib2fNV;
+ vfmt->VertexAttrib2fvNV = vbo_VertexAttrib2fvNV;
+ vfmt->VertexAttrib3fNV = vbo_VertexAttrib3fNV;
+ vfmt->VertexAttrib3fvNV = vbo_VertexAttrib3fvNV;
+ vfmt->VertexAttrib4fNV = vbo_VertexAttrib4fNV;
+ vfmt->VertexAttrib4fvNV = vbo_VertexAttrib4fvNV;
+
+ /* integer-valued */
+ vfmt->VertexAttribI1i = vbo_VertexAttribI1i;
+ vfmt->VertexAttribI2i = vbo_VertexAttribI2i;
+ vfmt->VertexAttribI3i = vbo_VertexAttribI3i;
+ vfmt->VertexAttribI4i = vbo_VertexAttribI4i;
+ vfmt->VertexAttribI2iv = vbo_VertexAttribI2iv;
+ vfmt->VertexAttribI3iv = vbo_VertexAttribI3iv;
+ vfmt->VertexAttribI4iv = vbo_VertexAttribI4iv;
+
+ /* unsigned integer-valued */
+ vfmt->VertexAttribI1ui = vbo_VertexAttribI1ui;
+ vfmt->VertexAttribI2ui = vbo_VertexAttribI2ui;
+ vfmt->VertexAttribI3ui = vbo_VertexAttribI3ui;
+ vfmt->VertexAttribI4ui = vbo_VertexAttribI4ui;
+ vfmt->VertexAttribI2uiv = vbo_VertexAttribI2uiv;
+ vfmt->VertexAttribI3uiv = vbo_VertexAttribI3uiv;
+ vfmt->VertexAttribI4uiv = vbo_VertexAttribI4uiv;
+
+ vfmt->Materialfv = vbo_Materialfv;
+
+ vfmt->EdgeFlag = vbo_EdgeFlag;
+ vfmt->Indexf = vbo_Indexf;
+ vfmt->Indexfv = vbo_Indexfv;
+
+}
+
+
+#else /* FEATURE_beginend */
+
+
+static void vbo_exec_vtxfmt_init( struct vbo_exec_context *exec )
+{
+ /* silence warnings */
+ (void) vbo_Color3f;
+ (void) vbo_Color3fv;
+ (void) vbo_Color4f;
+ (void) vbo_Color4fv;
+ (void) vbo_FogCoordfEXT;
+ (void) vbo_FogCoordfvEXT;
+ (void) vbo_MultiTexCoord1f;
+ (void) vbo_MultiTexCoord1fv;
+ (void) vbo_MultiTexCoord2f;
+ (void) vbo_MultiTexCoord2fv;
+ (void) vbo_MultiTexCoord3f;
+ (void) vbo_MultiTexCoord3fv;
+ (void) vbo_MultiTexCoord4f;
+ (void) vbo_MultiTexCoord4fv;
+ (void) vbo_Normal3f;
+ (void) vbo_Normal3fv;
+ (void) vbo_SecondaryColor3fEXT;
+ (void) vbo_SecondaryColor3fvEXT;
+ (void) vbo_TexCoord1f;
+ (void) vbo_TexCoord1fv;
+ (void) vbo_TexCoord2f;
+ (void) vbo_TexCoord2fv;
+ (void) vbo_TexCoord3f;
+ (void) vbo_TexCoord3fv;
+ (void) vbo_TexCoord4f;
+ (void) vbo_TexCoord4fv;
+ (void) vbo_Vertex2f;
+ (void) vbo_Vertex2fv;
+ (void) vbo_Vertex3f;
+ (void) vbo_Vertex3fv;
+ (void) vbo_Vertex4f;
+ (void) vbo_Vertex4fv;
+
+ (void) vbo_VertexAttrib1fARB;
+ (void) vbo_VertexAttrib1fvARB;
+ (void) vbo_VertexAttrib2fARB;
+ (void) vbo_VertexAttrib2fvARB;
+ (void) vbo_VertexAttrib3fARB;
+ (void) vbo_VertexAttrib3fvARB;
+ (void) vbo_VertexAttrib4fARB;
+ (void) vbo_VertexAttrib4fvARB;
+
+ (void) vbo_VertexAttrib1fNV;
+ (void) vbo_VertexAttrib1fvNV;
+ (void) vbo_VertexAttrib2fNV;
+ (void) vbo_VertexAttrib2fvNV;
+ (void) vbo_VertexAttrib3fNV;
+ (void) vbo_VertexAttrib3fvNV;
+ (void) vbo_VertexAttrib4fNV;
+ (void) vbo_VertexAttrib4fvNV;
+
+ (void) vbo_Materialfv;
+
+ (void) vbo_EdgeFlag;
+ (void) vbo_Indexf;
+ (void) vbo_Indexfv;
+}
+
+
+#endif /* FEATURE_beginend */
+
+
+/**
+ * Tell the VBO module to use a real OpenGL vertex buffer object to
+ * store accumulated immediate-mode vertex data.
+ * This replaces the malloced buffer which was created in
+ * vb_exec_vtx_init() below.
+ */
+void vbo_use_buffer_objects(struct gl_context *ctx)
+{
+ struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
+ /* Any buffer name but 0 can be used here since this bufferobj won't
+ * go into the bufferobj hashtable.
+ */
+ GLuint bufName = IMM_BUFFER_NAME;
+ GLenum target = GL_ARRAY_BUFFER_ARB;
+ GLenum usage = GL_STREAM_DRAW_ARB;
+ GLsizei size = VBO_VERT_BUFFER_SIZE;
+
+ /* Make sure this func is only used once */
+ assert(exec->vtx.bufferobj == ctx->Shared->NullBufferObj);
+ if (exec->vtx.buffer_map) {
+ _mesa_align_free(exec->vtx.buffer_map);
+ exec->vtx.buffer_map = NULL;
+ exec->vtx.buffer_ptr = NULL;
+ }
+
+ /* Allocate a real buffer object now */
+ _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL);
+ exec->vtx.bufferobj = ctx->Driver.NewBufferObject(ctx, bufName, target);
+ ctx->Driver.BufferData(ctx, target, size, NULL, usage, exec->vtx.bufferobj);
+}
+
+
+/**
+ * If this function is called, all VBO buffers will be unmapped when
+ * we flush.
+ * Otherwise, if a simple command like glColor3f() is called and we flush,
+ * the current VBO may be left mapped.
+ */
+void
+vbo_always_unmap_buffers(struct gl_context *ctx)
+{
+ struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
+ exec->begin_vertices_flags |= FLUSH_STORED_VERTICES;
+}
+
+
+void vbo_exec_vtx_init( struct vbo_exec_context *exec )
+{
+ struct gl_context *ctx = exec->ctx;
+ struct vbo_context *vbo = vbo_context(ctx);
+ GLuint i;
+
+ /* Allocate a buffer object. Will just reuse this object
+ * continuously, unless vbo_use_buffer_objects() is called to enable
+ * use of real VBOs.
+ */
+ _mesa_reference_buffer_object(ctx,
+ &exec->vtx.bufferobj,
+ ctx->Shared->NullBufferObj);
+
+ ASSERT(!exec->vtx.buffer_map);
+ exec->vtx.buffer_map = (GLfloat *)_mesa_align_malloc(VBO_VERT_BUFFER_SIZE, 64);
+ exec->vtx.buffer_ptr = exec->vtx.buffer_map;
+
+ vbo_exec_vtxfmt_init( exec );
+
+ /* Hook our functions into the dispatch table.
+ */
+ _mesa_install_exec_vtxfmt( ctx, &exec->vtxfmt );
+
+ for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) {
+ ASSERT(i < Elements(exec->vtx.attrsz));
+ exec->vtx.attrsz[i] = 0;
+ ASSERT(i < Elements(exec->vtx.active_sz));
+ exec->vtx.active_sz[i] = 0;
+ }
+ for (i = 0 ; i < VERT_ATTRIB_MAX; i++) {
+ ASSERT(i < Elements(exec->vtx.inputs));
+ ASSERT(i < Elements(exec->vtx.arrays));
+ exec->vtx.inputs[i] = &exec->vtx.arrays[i];
+ }
+
+ {
+ struct gl_client_array *arrays = exec->vtx.arrays;
+ unsigned i;
+
+ memcpy(arrays, vbo->legacy_currval, 16 * sizeof(arrays[0]));
+ memcpy(arrays + 16, vbo->generic_currval, 16 * sizeof(arrays[0]));
+
+ for (i = 0; i < 16; ++i) {
+ arrays[i ].BufferObj = NULL;
+ arrays[i + 16].BufferObj = NULL;
+ _mesa_reference_buffer_object(ctx, &arrays[i ].BufferObj,
+ vbo->legacy_currval[i].BufferObj);
+ _mesa_reference_buffer_object(ctx, &arrays[i + 16].BufferObj,
+ vbo->generic_currval[i].BufferObj);
+ }
+ }
+
+ exec->vtx.vertex_size = 0;
+
+ exec->begin_vertices_flags = FLUSH_UPDATE_CURRENT;
+}
+
+
+void vbo_exec_vtx_destroy( struct vbo_exec_context *exec )
+{
+ /* using a real VBO for vertex data */
+ struct gl_context *ctx = exec->ctx;
+ unsigned i;
+
+ /* True VBOs should already be unmapped
+ */
+ if (exec->vtx.buffer_map) {
+ ASSERT(exec->vtx.bufferobj->Name == 0 ||
+ exec->vtx.bufferobj->Name == IMM_BUFFER_NAME);
+ if (exec->vtx.bufferobj->Name == 0) {
+ _mesa_align_free(exec->vtx.buffer_map);
+ exec->vtx.buffer_map = NULL;
+ exec->vtx.buffer_ptr = NULL;
+ }
+ }
+
+ /* Drop any outstanding reference to the vertex buffer
+ */
+ for (i = 0; i < Elements(exec->vtx.arrays); i++) {
+ _mesa_reference_buffer_object(ctx,
+ &exec->vtx.arrays[i].BufferObj,
+ NULL);
+ }
+
+ /* Free the vertex buffer. Unmap first if needed.
+ */
+ if (_mesa_bufferobj_mapped(exec->vtx.bufferobj)) {
+ ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER, exec->vtx.bufferobj);
+ }
+ _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL);
+}
+
+
+/**
+ * Called upon first glVertex, glColor, glTexCoord, etc.
+ */
+void vbo_exec_BeginVertices( struct gl_context *ctx )
+{
+ struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
+
+ vbo_exec_vtx_map( exec );
+
+ assert((ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT) == 0);
+ assert(exec->begin_vertices_flags);
+
+ ctx->Driver.NeedFlush |= exec->begin_vertices_flags;
+}
+
+
+/**
+ * Called via ctx->Driver.FlushVertices()
+ * \param flags bitmask of FLUSH_STORED_VERTICES, FLUSH_UPDATE_CURRENT
+ */
+void vbo_exec_FlushVertices( struct gl_context *ctx, GLuint flags )
+{
+ struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
+
+#ifdef DEBUG
+ /* debug check: make sure we don't get called recursively */
+ exec->flush_call_depth++;
+ assert(exec->flush_call_depth == 1);
+#endif
+
+ if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) {
+ /* We've had glBegin but not glEnd! */
+#ifdef DEBUG
+ exec->flush_call_depth--;
+ assert(exec->flush_call_depth == 0);
+#endif
+ return;
+ }
+
+ /* Flush (draw), and make sure VBO is left unmapped when done */
+ vbo_exec_FlushVertices_internal(exec, GL_TRUE);
+
+ /* Need to do this to ensure BeginVertices gets called again:
+ */
+ ctx->Driver.NeedFlush &= ~(FLUSH_UPDATE_CURRENT | flags);
+
+#ifdef DEBUG
+ exec->flush_call_depth--;
+ assert(exec->flush_call_depth == 0);
+#endif
+}
+
+
+static void reset_attrfv( struct vbo_exec_context *exec )
+{
+ GLuint i;
+
+ for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) {
+ exec->vtx.attrsz[i] = 0;
+ exec->vtx.active_sz[i] = 0;
+ }
+
+ exec->vtx.vertex_size = 0;
+}
+
+
+void GLAPIENTRY
+_es_Color4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a)
+{
+ vbo_Color4f(r, g, b, a);
+}
+
+
+void GLAPIENTRY
+_es_Normal3f(GLfloat x, GLfloat y, GLfloat z)
+{
+ vbo_Normal3f(x, y, z);
+}
+
+
+void GLAPIENTRY
+_es_MultiTexCoord4f(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q)
+{
+ vbo_MultiTexCoord4f(target, s, t, r, q);
+}
+
+
+void GLAPIENTRY
+_es_Materialfv(GLenum face, GLenum pname, const GLfloat *params)
+{
+ vbo_Materialfv(face, pname, params);
+}
+
+
+void GLAPIENTRY
+_es_Materialf(GLenum face, GLenum pname, GLfloat param)
+{
+ GLfloat p[4];
+ p[0] = param;
+ p[1] = p[2] = p[3] = 0.0F;
+ vbo_Materialfv(face, pname, p);
+}
+
+
+/**
+ * A special version of glVertexAttrib4f that does not treat index 0 as
+ * VBO_ATTRIB_POS.
+ */
+static void
+VertexAttrib4f_nopos(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ if (index < MAX_VERTEX_GENERIC_ATTRIBS)
+ ATTR(VBO_ATTRIB_GENERIC0 + index, 4, x, y, z, w);
+ else
+ ERROR(GL_INVALID_VALUE);
+}
+
+void GLAPIENTRY
+_es_VertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+ VertexAttrib4f_nopos(index, x, y, z, w);
+}
+
+
+void GLAPIENTRY
+_es_VertexAttrib1f(GLuint indx, GLfloat x)
+{
+ VertexAttrib4f_nopos(indx, x, 0.0f, 0.0f, 1.0f);
+}
+
+
+void GLAPIENTRY
+_es_VertexAttrib1fv(GLuint indx, const GLfloat* values)
+{
+ VertexAttrib4f_nopos(indx, values[0], 0.0f, 0.0f, 1.0f);
+}
+
+
+void GLAPIENTRY
+_es_VertexAttrib2f(GLuint indx, GLfloat x, GLfloat y)
+{
+ VertexAttrib4f_nopos(indx, x, y, 0.0f, 1.0f);
+}
+
+
+void GLAPIENTRY
+_es_VertexAttrib2fv(GLuint indx, const GLfloat* values)
+{
+ VertexAttrib4f_nopos(indx, values[0], values[1], 0.0f, 1.0f);
+}
+
+
+void GLAPIENTRY
+_es_VertexAttrib3f(GLuint indx, GLfloat x, GLfloat y, GLfloat z)
+{
+ VertexAttrib4f_nopos(indx, x, y, z, 1.0f);
+}
+
+
+void GLAPIENTRY
+_es_VertexAttrib3fv(GLuint indx, const GLfloat* values)
+{
+ VertexAttrib4f_nopos(indx, values[0], values[1], values[2], 1.0f);
+}
+
+
+void GLAPIENTRY
+_es_VertexAttrib4fv(GLuint indx, const GLfloat* values)
+{
+ VertexAttrib4f_nopos(indx, values[0], values[1], values[2], values[3]);
+}
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