vbo: add new vbo_initialize_exec_dispatch(), vbo_initialize_save_dispatch()

First step in simplifying the vertex array / glDraw dispatch code.

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>

3 files changed, 68 insertions, 0 deletions

diff --git a/src/mesa/vbo/vbo.h b/src/mesa/vbo/vbo.h
index 56392720bdc..9f800d87ad5 100644
--- a/src/mesa/vbo/vbo.h
+++ b/src/mesa/vbo/vbo.h
@@ -73,6 +73,15 @@ void _vbo_DestroyContext( struct gl_context *ctx );
 void _vbo_InvalidateState( struct gl_context *ctx, GLuint new_state );
 
 
+void
+vbo_initialize_exec_dispatch(const struct gl_context *ctx,
+                             struct _glapi_table *exec);
+
+void
+vbo_initialize_save_dispatch(const struct gl_context *ctx,
+                             struct _glapi_table *exec);
+
+
 typedef void (*vbo_draw_func)( struct gl_context *ctx,
 			       const struct _mesa_prim *prims,
 			       GLuint nr_prims,
diff --git a/src/mesa/vbo/vbo_exec_array.c b/src/mesa/vbo/vbo_exec_array.c
index 1bf3af47b8b..875c203ac6e 100644
--- a/src/mesa/vbo/vbo_exec_array.c
+++ b/src/mesa/vbo/vbo_exec_array.c
@@ -30,6 +30,7 @@
 #include "main/context.h"
 #include "main/state.h"
 #include "main/api_validate.h"
+#include "main/dispatch.h"
 #include "main/varray.h"
 #include "main/bufferobj.h"
 #include "main/enums.h"
@@ -1400,6 +1401,46 @@ vbo_exec_array_destroy( struct vbo_exec_context *exec )
 }
 
 
+/**
+ * Initialize the dispatch table with the VBO functions for drawing.
+ */
+void
+vbo_initialize_exec_dispatch(const struct gl_context *ctx,
+                             struct _glapi_table *exec)
+{
+   SET_DrawArrays(exec, vbo_exec_DrawArrays);
+   SET_DrawElements(exec, vbo_exec_DrawElements);
+
+   if (_mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx)) {
+      SET_DrawRangeElements(exec, vbo_exec_DrawRangeElements);
+   }
+
+   SET_MultiDrawElementsEXT(exec, vbo_exec_MultiDrawElements);
+
+   if (_mesa_is_desktop_gl(ctx)) {
+      SET_DrawElementsBaseVertex(exec, vbo_exec_DrawElementsBaseVertex);
+      SET_DrawRangeElementsBaseVertex(exec, vbo_exec_DrawRangeElementsBaseVertex);
+      SET_MultiDrawElementsBaseVertex(exec, vbo_exec_MultiDrawElementsBaseVertex);
+      SET_DrawArraysInstancedBaseInstance(exec, vbo_exec_DrawArraysInstancedBaseInstance);
+      SET_DrawElementsInstancedBaseInstance(exec, vbo_exec_DrawElementsInstancedBaseInstance);
+      SET_DrawElementsInstancedBaseVertex(exec, vbo_exec_DrawElementsInstancedBaseVertex);
+      SET_DrawElementsInstancedBaseVertexBaseInstance(exec, vbo_exec_DrawElementsInstancedBaseVertexBaseInstance);
+   }
+
+   if (_mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx)) {
+      SET_DrawArraysInstancedARB(exec, vbo_exec_DrawArraysInstanced);
+      SET_DrawElementsInstancedARB(exec, vbo_exec_DrawElementsInstanced);
+   }
+
+   if (_mesa_is_desktop_gl(ctx)) {
+      SET_DrawTransformFeedback(exec, vbo_exec_DrawTransformFeedback);
+      SET_DrawTransformFeedbackStream(exec, vbo_exec_DrawTransformFeedbackStream);
+      SET_DrawTransformFeedbackInstanced(exec, vbo_exec_DrawTransformFeedbackInstanced);
+      SET_DrawTransformFeedbackStreamInstanced(exec, vbo_exec_DrawTransformFeedbackStreamInstanced);
+   }
+}
+
+
 
 /**
  * The following functions are only used for OpenGL ES 1/2 support.
diff --git a/src/mesa/vbo/vbo_save_api.c b/src/mesa/vbo/vbo_save_api.c
index f7beab79727..8644df828d4 100644
--- a/src/mesa/vbo/vbo_save_api.c
+++ b/src/mesa/vbo/vbo_save_api.c
@@ -1550,6 +1550,24 @@ _save_vtxfmt_init(struct gl_context *ctx)
 }
 
 
+/**
+ * Initialize the dispatch table with the VBO functions for display
+ * list compilation.
+ */
+void
+vbo_initialize_save_dispatch(const struct gl_context *ctx,
+                             struct _glapi_table *exec)
+{
+   SET_DrawArrays(exec, _save_OBE_DrawArrays);
+   SET_DrawElements(exec, _save_OBE_DrawElements);
+   SET_DrawRangeElements(exec, _save_OBE_DrawRangeElements);
+   SET_MultiDrawElementsEXT(exec, _save_OBE_MultiDrawElements);
+   SET_MultiDrawElementsBaseVertex(exec, _save_OBE_MultiDrawElementsBaseVertex);
+   /* Note: other glDraw functins aren't compiled into display lists */
+}
+
+
+
 void
 vbo_save_SaveFlushVertices(struct gl_context *ctx)
 {