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authorJosé Fonseca <jfonseca@vmware.com>2010-06-15 12:20:01 +0100
committerJosé Fonseca <jfonseca@vmware.com>2010-07-13 17:32:44 +0100
commit962da13ba30d66bd8b9a28ba5f06c66ceec1ce92 (patch)
treea785c5d16e6756147986bece976062361759dcfd /src
parente21e7ab4da859198dfa9845b4a7207c49db54771 (diff)
llvmpipe: Align texture data to the cache line.
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_texture.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c
index 1d42bdde4e..d236bad69d 100644
--- a/src/gallium/drivers/llvmpipe/lp_texture.c
+++ b/src/gallium/drivers/llvmpipe/lp_texture.c
@@ -36,6 +36,7 @@
#include "pipe/p_defines.h"
#include "util/u_inlines.h"
+#include "util/u_cpu_detect.h"
#include "util/u_format.h"
#include "util/u_math.h"
#include "util/u_memory.h"
@@ -898,13 +899,15 @@ static void
alloc_image_data(struct llvmpipe_resource *lpr, unsigned level,
enum lp_texture_layout layout)
{
+ uint alignment = MAX2(16, util_cpu_caps.cacheline);
+
if (lpr->dt)
assert(level == 0);
if (layout == LP_TEX_LAYOUT_TILED) {
/* tiled data is stored in regular memory */
uint buffer_size = tex_image_size(lpr, level, layout);
- lpr->tiled[level].data = align_malloc(buffer_size, 16);
+ lpr->tiled[level].data = align_malloc(buffer_size, alignment);
}
else {
assert(layout == LP_TEX_LAYOUT_LINEAR);
@@ -920,7 +923,7 @@ alloc_image_data(struct llvmpipe_resource *lpr, unsigned level,
else {
/* not a display target - allocate regular memory */
uint buffer_size = tex_image_size(lpr, level, LP_TEX_LAYOUT_LINEAR);
- lpr->linear[level].data = align_malloc(buffer_size, 16);
+ lpr->linear[level].data = align_malloc(buffer_size, alignment);
}
}
}