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nv50: account for pesky prefetch in size calculation of linear textures

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This commit is contained in:
Christoph Bumiller 2013-04-03 00:18:29 +02:00
parent f0a0d59f0f
commit ba9b0b682f
1 changed files with 6 additions and 1 deletions
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7
src/gallium/drivers/nv50/nv50_miptree.c
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@ -217,6 +217,7 @@ nv50_miptree_init_layout_linear(struct nv50_miptree *mt)
{
struct pipe_resource *pt = &mt->base.base;
const unsigned blocksize = util_format_get_blocksize(pt->format);
unsigned h = pt->height0;
if (util_format_is_depth_or_stencil(pt->format))
return FALSE;
@ -228,7 +229,11 @@ nv50_miptree_init_layout_linear(struct nv50_miptree *mt)
mt->level[0].pitch = align(pt->width0 * blocksize, 64);
mt->total_size = mt->level[0].pitch * pt->height0;
/* Account for very generous prefetch (allocate size as if tiled). */
h = MAX2(h, 8);
h = util_next_power_of_two(h);
mt->total_size = mt->level[0].pitch * h;
return TRUE;
}