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-rw-r--r--src/gallium/drivers/llvmpipe/lp_texture.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c
index 08f0950d475..a00f2495dfc 100644
--- a/src/gallium/drivers/llvmpipe/lp_texture.c
+++ b/src/gallium/drivers/llvmpipe/lp_texture.c
@@ -66,16 +66,24 @@ llvmpipe_texture_layout(struct llvmpipe_screen *screen,
pf_get_block(lpt->base.format, &lpt->base.block);
for (level = 0; level <= pt->last_level; level++) {
+ unsigned nblocksx, nblocksy;
+
pt->width[level] = width;
pt->height[level] = height;
pt->depth[level] = depth;
pt->nblocksx[level] = pf_get_nblocksx(&pt->block, width);
- pt->nblocksy[level] = pf_get_nblocksy(&pt->block, height);
- lpt->stride[level] = align(pt->nblocksx[level]*pt->block.size, 16);
+ pt->nblocksy[level] = pf_get_nblocksy(&pt->block, height);
+
+ /* Allocate storage for whole quads. This is particularly important
+ * for depth surfaces, which are currently stored in a swizzled format. */
+ nblocksx = pf_get_nblocksx(&pt->block, align(width, 2));
+ nblocksy = pf_get_nblocksy(&pt->block, align(height, 2));
+
+ lpt->stride[level] = align(nblocksx*pt->block.size, 16);
lpt->level_offset[level] = buffer_size;
- buffer_size += (pt->nblocksy[level] *
+ buffer_size += (nblocksy *
((pt->target == PIPE_TEXTURE_CUBE) ? 6 : depth) *
lpt->stride[level]);