1 files changed, 81 insertions, 4 deletions

diff --git a/src/mesa/vbo/vbo_exec_api.c b/src/mesa/vbo/vbo_exec_api.c
index f249289599..d70b4bb1a1 100644
--- a/src/mesa/vbo/vbo_exec_api.c
+++ b/src/mesa/vbo/vbo_exec_api.c
@@ -651,6 +651,41 @@ static void vbo_exec_vtxfmt_init( struct vbo_exec_context *exec )
 }
 
 
+/**
+ * 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 = 0xaabbccdd;
+   GLenum target = GL_ARRAY_BUFFER_ARB;
+   GLenum access = GL_READ_WRITE_ARB;
+   GLenum usage = GL_STREAM_DRAW_ARB;
+   GLsizei size = VBO_VERT_BUFFER_SIZE * sizeof(GLfloat);
+
+   /* Make sure this func is only used once */
+   assert(exec->vtx.bufferobj == ctx->Array.NullBufferObj);
+   if (exec->vtx.buffer_map) {
+      _mesa_align_free(exec->vtx.buffer_map);
+   }
+
+   /* 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);
+
+   /* and map it */
+   exec->vtx.buffer_map
+      = ctx->Driver.MapBuffer(ctx, target, access, exec->vtx.bufferobj);
+}
+
+
+
 void vbo_exec_vtx_init( struct vbo_exec_context *exec )
 {
    GLcontext *ctx = exec->ctx;
@@ -658,7 +693,8 @@ void vbo_exec_vtx_init( struct vbo_exec_context *exec )
    GLuint i;
 
    /* Allocate a buffer object.  Will just reuse this object
-    * continuously.
+    * continuously, unless vbo_use_buffer_objects() is called to enable
+    * use of real VBOs.
     */
    _mesa_reference_buffer_object(ctx,
                                  &exec->vtx.bufferobj,
@@ -690,9 +726,17 @@ void vbo_exec_vtx_init( struct vbo_exec_context *exec )
 
 void vbo_exec_vtx_destroy( struct vbo_exec_context *exec )
 {
-   if (exec->vtx.buffer_map) {
-      ALIGN_FREE(exec->vtx.buffer_map);
-      exec->vtx.buffer_map = NULL;
+   GLcontext *ctx = exec->ctx;
+   if (exec->vtx.bufferobj->Name) {
+      ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER_ARB, exec->vtx.bufferobj);
+      ctx->Driver.DeleteBuffer(ctx, exec->vtx.bufferobj);
+      exec->vtx.bufferobj = NULL;
+   }
+   else {
+      if (exec->vtx.buffer_map) {
+         ALIGN_FREE(exec->vtx.buffer_map);
+         exec->vtx.buffer_map = NULL;
+      }
    }
 }
 
@@ -729,3 +773,36 @@ static void reset_attrfv( struct vbo_exec_context *exec )
    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);
+}