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authorMarek Olšák <[email protected]>2013-03-14 17:18:43 +0100
committerMarek Olšák <[email protected]>2013-03-23 13:19:16 +0100
commit3e10ab6b22341c06a9352b1e029b923f4d8405b9 (patch)
treeac3dd22bf0f641b69562204066df4c2e211ef8a6 /src/mesa/state_tracker/st_cb_readpixels.c
parent25e3094058977648a6f552d59b728a9ea814b7c2 (diff)
gallium,st/mesa: don't use blit-based transfers with software rasterizers
The blit-based paths for TexImage, GetTexImage, and ReadPixels aren't very fast with software rasterizer. Now Gallium drivers have the ability to turn them off. Reviewed-by: Brian Paul <[email protected]> Tested-by: Brian Paul <[email protected]>
Diffstat (limited to 'src/mesa/state_tracker/st_cb_readpixels.c')
-rw-r--r--src/mesa/state_tracker/st_cb_readpixels.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_cb_readpixels.c b/src/mesa/state_tracker/st_cb_readpixels.c
index b524738ae29..bfed988701a 100644
--- a/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/src/mesa/state_tracker/st_cb_readpixels.c
@@ -83,6 +83,10 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y,
st_validate_state(st);
st_flush_bitmap_cache(st);
+ if (!st->prefer_blit_based_texture_transfer) {
+ goto fallback;
+ }
+
/* This must be done after state validation. */
src = strb->texture;