Added MesaLib-7.6

1 files changed, 838 insertions, 0 deletions

diff --git a/mesalib/src/mesa/vbo/vbo_exec_api.c b/mesalib/src/mesa/vbo/vbo_exec_api.c
new file mode 100644
index 000000000..387d4ee3d
--- /dev/null
+++ b/mesalib/src/mesa/vbo/vbo_exec_api.c
@@ -0,0 +1,838 @@
+/**************************************************************************
+
+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/vtxfmt.h"
+#if FEATURE_dlist
+#include "main/dlist.h"
+#endif
+#include "main/state.h"
+#include "main/light.h"
+#include "main/api_arrayelt.h"
+#include "main/api_noop.h"
+#include "glapi/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++) {
+      _mesa_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 )
+{
+   GLcontext *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]);
+   }
+}
+
+
+static void vbo_exec_copy_from_current( struct vbo_exec_context *exec )
+{
+   GLcontext *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.
+ */ 
+static void vbo_exec_wrap_upgrade_vertex( struct vbo_exec_context *exec,
+					  GLuint attr,
+					  GLuint newsz )
+{
+   GLcontext *ctx = exec->ctx;
+   struct vbo_context *vbo = vbo_context(ctx);
+   GLint lastcount = exec->vtx.vert_count;
+   GLfloat *tmp;
+   GLuint oldsz;
+   GLuint i;
+
+   /* Run pipeline on current vertices, copy wrapped vertices
+    * to exec->vtx.copied.
+    */
+   vbo_exec_wrap_buffers( exec );
+
+
+   /* 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 &&
+       exec->vtx.attrsz[attr] == 0 && 
+       lastcount > 8 &&
+       exec->vtx.vertex_size) {
+      reset_attrfv( exec );
+   }
+
+   /* Fix up sizes:
+    */
+   oldsz = exec->vtx.attrsz[attr];
+   exec->vtx.attrsz[attr] = newsz;
+
+   exec->vtx.vertex_size += newsz - oldsz;
+   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;
+   
+
+   /* Recalculate all the attrptr[] values
+    */
+   for (i = 0, tmp = exec->vtx.vertex ; 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 );
+
+   /* Replay stored vertices to translate them
+    * to new format here.
+    *
+    * -- No need to replay - just copy piecewise
+    */
+   if (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++) {
+	    if (exec->vtx.attrsz[j]) {
+	       if (j == attr) {
+		  if (oldsz) {
+		     COPY_CLEAN_4V( dest, oldsz, data );
+		     data += oldsz;
+		     dest += newsz;
+		  } else {
+		     const GLfloat *current = (const GLfloat *)vbo->currval[j].Ptr;
+		     COPY_SZ_4V( dest, newsz, current );
+		     dest += newsz;
+		  }
+	       }
+	       else {
+		  GLuint sz = exec->vtx.attrsz[j];
+		  COPY_SZ_4V( dest, sz, data );
+		  dest += sz;
+		  data += sz;
+	       }
+	    }
+	 }
+      }
+
+      exec->vtx.buffer_ptr = dest;
+      exec->vtx.vert_count += exec->vtx.copied.nr;
+      exec->vtx.copied.nr = 0;
+   }
+}
+
+
+static void vbo_exec_fixup_vertex( GLcontext *ctx,
+				   GLuint attr, GLuint sz )
+{
+   struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
+   int i;
+
+   if (sz > 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, sz );
+   }
+   else if (sz < exec->vtx.active_sz[attr]) {
+      static const GLfloat id[4] = { 0, 0, 0, 1 };
+
+      /* New size is smaller - just need to fill in some
+       * zeros.  Don't need to flush or wrap.
+       */
+      for (i = sz ; i <= exec->vtx.attrsz[attr] ; i++)
+	 exec->vtx.attrptr[attr][i-1] = id[i-1];
+   }
+
+   exec->vtx.active_sz[attr] = sz;
+
+   /* Does setting NeedFlush belong here?  Necessitates resetting
+    * vtxfmt on each flush (otherwise flags won't get reset
+    * afterwards).
+    */
+   if (attr == 0) 
+      exec->ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES;
+}
+
+
+
+
+/* 
+ */
+#define ATTR( A, N, V0, V1, V2, V3 )				\
+do {								\
+   struct vbo_exec_context *exec = &vbo_context(ctx)->exec;	\
+								\
+   if (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) {						\
+      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;			\
+      exec->ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES;	\
+								\
+      if (++exec->vtx.vert_count >= exec->vtx.max_vert)		\
+	 vbo_exec_vtx_wrap( exec );				\
+   }								\
+} while (0)
+
+
+#define ERROR() _mesa_error( ctx, GL_INVALID_ENUM, __FUNCTION__ )
+#define TAG(x) vbo_##x
+
+#include "vbo_attrib_tmp.h"
+
+
+
+
+
+/* Eval
+ */
+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 );
+      }
+   }
+
+
+   _mesa_memcpy( exec->vtx.copied.buffer, exec->vtx.vertex, 
+                 exec->vtx.vertex_size * sizeof(GLfloat));
+
+   vbo_exec_do_EvalCoord1f( exec, u );
+
+   _mesa_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 );
+   }
+
+   _mesa_memcpy( exec->vtx.copied.buffer, exec->vtx.vertex, 
+                 exec->vtx.vertex_size * sizeof(GLfloat));
+
+   vbo_exec_do_EvalCoord2f( exec, u, v );
+
+   _mesa_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 );
+}
+
+
+/* Build a list of primitives on the fly.  Keep
+ * ctx->Driver.CurrentExecPrimitive uptodate as well.
+ */
+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( ctx, 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;
+
+      ctx->Driver.CurrentExecPrimitive = mode;
+   }
+   else 
+      _mesa_error( ctx, GL_INVALID_OPERATION, "glBegin" );
+      
+}
+
+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" );
+}
+
+
+static void vbo_exec_vtxfmt_init( struct vbo_exec_context *exec )
+{
+   GLvertexformat *vfmt = &exec->vtxfmt;
+
+   vfmt->ArrayElement = _ae_loopback_array_elt;	        /* generic helper */
+   vfmt->Begin = vbo_exec_Begin;
+#if FEATURE_dlist
+   vfmt->CallList = _mesa_CallList;
+   vfmt->CallLists = _mesa_CallLists;
+#endif
+   vfmt->End = vbo_exec_End;
+   vfmt->EvalCoord1f = vbo_exec_EvalCoord1f;
+   vfmt->EvalCoord1fv = vbo_exec_EvalCoord1fv;
+   vfmt->EvalCoord2f = vbo_exec_EvalCoord2f;
+   vfmt->EvalCoord2fv = vbo_exec_EvalCoord2fv;
+   vfmt->EvalPoint1 = vbo_exec_EvalPoint1;
+   vfmt->EvalPoint2 = vbo_exec_EvalPoint2;
+
+   vfmt->Rectf = _mesa_noop_Rectf;
+   vfmt->EvalMesh1 = _mesa_noop_EvalMesh1;
+   vfmt->EvalMesh2 = _mesa_noop_EvalMesh2;
+
+
+   /* 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;
+
+   vfmt->Materialfv = vbo_Materialfv;
+
+   vfmt->EdgeFlag = vbo_EdgeFlag;
+   vfmt->Indexf = vbo_Indexf;
+   vfmt->Indexfv = vbo_Indexfv;
+
+}
+
+
+/**
+ * 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(GLcontext *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 */
+   exec->vtx.bufferobj = ctx->Driver.NewBufferObject(ctx, bufName, target);
+   ctx->Driver.BufferData(ctx, target, size, NULL, usage, exec->vtx.bufferobj);
+}
+
+
+
+void vbo_exec_vtx_init( struct vbo_exec_context *exec )
+{
+   GLcontext *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 *)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( exec->ctx, &exec->vtxfmt );
+
+   for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) {
+      exec->vtx.attrsz[i] = 0;
+      exec->vtx.active_sz[i] = 0;
+      exec->vtx.inputs[i] = &exec->vtx.arrays[i];
+   }
+   
+   {
+      struct gl_client_array *arrays = exec->vtx.arrays;
+      memcpy(arrays,      vbo->legacy_currval,  16 * sizeof(arrays[0]));
+      memcpy(arrays + 16, vbo->generic_currval, 16 * sizeof(arrays[0]));
+   }
+
+   exec->vtx.vertex_size = 0;
+}
+
+
+void vbo_exec_vtx_destroy( struct vbo_exec_context *exec )
+{
+   /* using a real VBO for vertex data */
+   GLcontext *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) {
+         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:
+    */
+   _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL);
+}
+
+void vbo_exec_BeginVertices( GLcontext *ctx )
+{
+   struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
+   if (0) _mesa_printf("%s\n", __FUNCTION__);
+   vbo_exec_vtx_map( exec );
+
+   assert((exec->ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT) == 0);
+   exec->ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT;
+}
+
+void vbo_exec_FlushVertices_internal( GLcontext *ctx, GLboolean unmap )
+{
+   struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
+
+   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 );
+   }
+}
+
+
+
+void vbo_exec_FlushVertices( GLcontext *ctx, GLuint flags )
+{
+   struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
+
+   if (0) _mesa_printf("%s\n", __FUNCTION__);
+
+   if (exec->ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) {
+      if (0) _mesa_printf("%s - inside begin/end\n", __FUNCTION__);
+      return;
+   }
+
+   vbo_exec_FlushVertices_internal( ctx, GL_TRUE );
+
+   /* Need to do this to ensure BeginVertices gets called again:
+    */
+   if (exec->ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT) {
+      _mesa_restore_exec_vtxfmt( ctx );
+      exec->ctx->Driver.NeedFlush &= ~FLUSH_UPDATE_CURRENT;
+   }
+
+   exec->ctx->Driver.NeedFlush &= ~flags;
+}
+
+
+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
+_vbo_Color4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a)
+{
+   vbo_Color4f(r, g, b, a);
+}
+
+
+void GLAPIENTRY
+_vbo_Normal3f(GLfloat x, GLfloat y, GLfloat z)
+{
+   vbo_Normal3f(x, y, z);
+}
+
+
+void GLAPIENTRY
+_vbo_MultiTexCoord4f(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q)
+{
+   vbo_MultiTexCoord4f(target, s, t, r, q);
+}
+
+void GLAPIENTRY
+_vbo_Materialfv(GLenum face, GLenum pname, const GLfloat *params)
+{
+   vbo_Materialfv(face, pname, params);
+}
+
+
+void GLAPIENTRY
+_vbo_VertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+   vbo_VertexAttrib4fARB(index, x, y, z, w);
+}