diff options
| author | Marek Olšák <[email protected]> | 2011-12-09 17:00:23 +0100 |
|---|---|---|
| committer | Christoph Bumiller <[email protected]> | 2011-12-15 18:50:44 +0100 |
| commit | 14bb957b996dcc5392b8fa589bd3ffa5c55cb6b4 (patch) | |
| tree | 1dce64c3156c0df8ab638050dcc62365b6fb8197 /src/mesa/state_tracker/st_draw.c | |
| parent | 3baaa1bbd72f67f6bc7374b2b6a16b0322006a65 (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/state_tracker/st_draw.c')
| -rw-r--r-- | src/mesa/state_tracker/st_draw.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c index fd1c8ee4879..86478bbceba 100644 --- a/src/mesa/state_tracker/st_draw.c +++ b/src/mesa/state_tracker/st_draw.c @@ -926,7 +926,8 @@ st_draw_vbo(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) { struct st_context *st = st_context(ctx); struct pipe_context *pipe = st->pipe; @@ -939,6 +940,7 @@ st_draw_vbo(struct gl_context *ctx, /* Mesa core state should have been validated already */ assert(ctx->NewState == 0x0); + assert(!tfb_vertcount); if (ib) { /* Gallium probably doesn't want this in some cases. */ |