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freedreno: fix slice pitch calculations 

For example if width were 65, the first slice would get 96 while the
second would get 32. However the hardware appears to expect the second
pitch to be 64, based on halving the 96 (and aligning up to 32).

This fixes texelFetch piglit tests on a3xx below a certain size. Going
higher they break again, but most likely due to unrelated reasons.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "10.4 10.5" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Ilia Mirkin 2015-03-13 01:36:57 -04:00
parent 89b26d5a36
commit 620e29b748
1 changed files with 1 additions and 1 deletions
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2
src/gallium/drivers/freedreno/freedreno_resource.c
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@ -213,7 +213,7 @@ setup_slices(struct fd_resource *rsc, uint32_t alignment)
for (level = 0; level <= prsc->last_level; level++) {
struct fd_resource_slice *slice = fd_resource_slice(rsc, level);
slice->pitch = align(width, 32);
slice->pitch = width = align(width, 32);
slice->offset = size;
/* 1d array, 2d array, 3d textures (but not cube!) must all have the
* same layer size for each miplevel on a3xx. These are also the