Mesa (master): intel: Don' t tile textures so small that size is blown up by over 2x.
Eric Anholt
anholt at kemper.freedesktop.org
Wed May 5 05:06:36 UTC 2010
Module: Mesa
Branch: master
Commit: 453f0b1f243b26e02b371293e9c8bbf09362c14a
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=453f0b1f243b26e02b371293e9c8bbf09362c14a
Author: Eric Anholt <eric at anholt.net>
Date: Tue May 4 21:19:55 2010 -0700
intel: Don't tile textures so small that size is blown up by over 2x.
Noted on the mailing list for an app that puts each glyph for its text
into a separate texture.
---
src/mesa/drivers/dri/intel/intel_mipmap_tree.c | 7 +++----
1 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
index ef1966e..71ef7a8 100644
--- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
@@ -116,17 +116,16 @@ intel_miptree_create(struct intel_context *intel,
GLboolean expect_accelerated_upload)
{
struct intel_mipmap_tree *mt;
- uint32_t tiling;
+ uint32_t tiling = I915_TILING_NONE;
if (intel->use_texture_tiling && compress_byte == 0) {
if (intel->gen >= 4 &&
(base_format == GL_DEPTH_COMPONENT ||
base_format == GL_DEPTH_STENCIL_EXT))
tiling = I915_TILING_Y;
- else
+ else if (width0 >= 64)
tiling = I915_TILING_X;
- } else
- tiling = I915_TILING_NONE;
+ }
mt = intel_miptree_create_internal(intel, target, internal_format,
first_level, last_level, width0,
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