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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.
This commit is contained in:
Eric Anholt 2010-05-04 21:19:55 -07:00
parent 781d56eac4
commit 453f0b1f24
1 changed files with 3 additions and 4 deletions
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7
src/mesa/drivers/dri/intel/intel_mipmap_tree.c
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@ -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,