diff options
| author | Eric Anholt <[email protected]> | 2009-08-11 12:31:01 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2009-08-12 11:28:34 -0700 |
| commit | 2708ddfb06a36d8568e2aa130bf1f7d551fcd309 (patch) | |
| tree | f70549bf497750fc2f865d846069d504852bc014 /src/mesa/vbo/vbo_split_inplace.c | |
| parent | ef3ad412c746203727324edbd4cbe04079332d7c (diff) | |
vbo: Avoid extra validation of DrawElements.
This saves mapping the index buffer to get a bounds on the indices that
drivers just drop on the floor in the VBO case (cache win), saves a bonus
walk of the indices in the CheckArrayBounds case, and other miscellaneous
validation. On intel it's a particularly a large win (50-100% in my app)
because even though we let the indices stay in both CPU and GPU caches, we
still end up waiting for the GPU to be done with the buffer before reading
from it.
Drivers that want the min/max_index fields must now check index_bounds_valid
and use vbo_get_minmax_index before using them.
Diffstat (limited to 'src/mesa/vbo/vbo_split_inplace.c')
| -rw-r--r-- | src/mesa/vbo/vbo_split_inplace.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mesa/vbo/vbo_split_inplace.c b/src/mesa/vbo/vbo_split_inplace.c index 9628227e7c4..da84eaa6ead 100644 --- a/src/mesa/vbo/vbo_split_inplace.c +++ b/src/mesa/vbo/vbo_split_inplace.c @@ -85,6 +85,7 @@ static void flush_vertex( struct split_context *split ) split->dstprim, split->dstprim_nr, NULL, + GL_TRUE, min_index, max_index); |