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authorMarek Olšák <[email protected]>2011-12-09 17:00:23 +0100
committerChristoph Bumiller <[email protected]>2011-12-15 18:50:44 +0100
commit14bb957b996dcc5392b8fa589bd3ffa5c55cb6b4 (patch)
tree1dce64c3156c0df8ab638050dcc62365b6fb8197 /src/mesa/vbo/vbo.h
parent3baaa1bbd72f67f6bc7374b2b6a16b0322006a65 (diff)
mesa: implement DrawTransformFeedback from ARB_transform_feedback2
It's like DrawArrays, but the count is taken from a transform feedback object. This removes DrawTransformFeedback from dd_function_table and adds the same function to GLvertexformat (with the function parameters matching GL). The vbo_draw_func callback has a new parameter "struct gl_transform_feedback_object *tfb_vertcount". The rest of the code just validates states and forwards the transform feedback object into vbo_draw_func.
Diffstat (limited to 'src/mesa/vbo/vbo.h')
-rw-r--r--src/mesa/vbo/vbo.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mesa/vbo/vbo.h b/src/mesa/vbo/vbo.h
index 9fbb07f3d72..f357657afa7 100644
--- a/src/mesa/vbo/vbo.h
+++ b/src/mesa/vbo/vbo.h
@@ -36,6 +36,7 @@
struct gl_client_array;
struct gl_context;
+struct gl_transform_feedback_object;
struct _mesa_prim {
GLuint mode:8; /**< GL_POINTS, GL_LINES, GL_QUAD_STRIP, etc */
@@ -77,7 +78,8 @@ typedef void (*vbo_draw_func)( struct gl_context *ctx,
const struct _mesa_index_buffer *ib,
GLboolean index_bounds_valid,
GLuint min_index,
- GLuint max_index );
+ GLuint max_index,
+ struct gl_transform_feedback_object *tfb_vertcount );