Mesa (radeon-rewrite): radeon: steal miptree optimisation from intel codebase
Dave Airlie
airlied at kemper.freedesktop.org
Tue Feb 17 00:29:44 UTC 2009
Module: Mesa
Branch: radeon-rewrite
Commit: 0a8cba9a65e6ec1159a08725d2101e7eabb4526b
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=0a8cba9a65e6ec1159a08725d2101e7eabb4526b
Author: Dave Airlie <airlied at redhat.com>
Date: Tue Feb 17 10:26:58 2009 +1000
radeon: steal miptree optimisation from intel codebase
This replaces a miptree if it won't distrub anything else.
---
src/mesa/drivers/dri/radeon/radeon_texture.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/src/mesa/drivers/dri/radeon/radeon_texture.c b/src/mesa/drivers/dri/radeon/radeon_texture.c
index 4aa081c..6949ee4 100644
--- a/src/mesa/drivers/dri/radeon/radeon_texture.c
+++ b/src/mesa/drivers/dri/radeon/radeon_texture.c
@@ -517,6 +517,16 @@ static void radeon_teximage(
/* Allocate memory for image */
radeonFreeTexImageData(ctx, texImage); /* Mesa core only clears texImage->Data but not image->mt */
+ if (t->mt &&
+ t->mt->firstLevel == level &&
+ t->mt->lastLevel == level &&
+ t->mt->target != GL_TEXTURE_CUBE_MAP_ARB &&
+ !radeon_miptree_matches_image(t->mt, texImage, face, level)) {
+ fprintf(stderr,"freeing old miptree\n");
+ radeon_miptree_unreference(t->mt);
+ t->mt = NULL;
+ }
+
if (!t->mt)
radeon_try_alloc_miptree(rmesa, t, texImage, face, level);
if (t->mt && radeon_miptree_matches_image(t->mt, texImage, face, level)) {
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