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authorMarek Olšák <maraeo@gmail.com>2011-12-09 17:00:23 +0100
committerChristoph Bumiller <e0425955@student.tuwien.ac.at>2011-12-15 18:50:44 +0100
commit14bb957b996dcc5392b8fa589bd3ffa5c55cb6b4 (patch)
tree1dce64c3156c0df8ab638050dcc62365b6fb8197 /src/mesa/drivers/dri/i965/brw_draw.h
parent3baaa1bbd72f67f6bc7374b2b6a16b0322006a65 (diff)
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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/drivers/dri/i965/brw_draw.h')
-rw-r--r--src/mesa/drivers/dri/i965/brw_draw.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_draw.h b/src/mesa/drivers/dri/i965/brw_draw.h
index 1fe4172..b910419 100644
--- a/src/mesa/drivers/dri/i965/brw_draw.h
+++ b/src/mesa/drivers/dri/i965/brw_draw.h
@@ -41,7 +41,8 @@ void brw_draw_prims( 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 );
void brw_draw_init( struct brw_context *brw );
void brw_draw_destroy( struct brw_context *brw );