From: Marek Olšák <marek.ol...@amd.com>
Just for consistency. This doesn't fix anything, because DCC is not
supported with non-mipmapped textures.
---
src/gallium/drivers/radeon/r600_texture.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeon/r600_texture.c
b/src/gallium/drivers/radeon/r600_texture.c
index db63beb..23c483b 100644
--- a/src/gallium/drivers/radeon/r600_texture.c
+++ b/src/gallium/drivers/radeon/r600_texture.c
@@ -74,8 +74,11 @@ bool r600_prepare_for_dma_blit(struct r600_common_context
*rctx,
return false;
if (rdst->dcc_offset) {
- /* We can't discard DCC if the texture has been exported. */
+ /* We can't discard DCC if the texture has been exported.
+ * Also, we can't discard DCC for one level only.
+ */
if (rdst->resource.is_shared ||
+ rdst->resource.b.b.last_level > 0 ||
!util_texrange_covers_whole_level(&rdst->resource.b.b,
dst_level,
dstx, dsty, dstz,
src_box->width,
src_box->height,
src_box->depth))
@@ -90,6 +93,8 @@ bool r600_prepare_for_dma_blit(struct r600_common_context
*rctx,
* SDMA. Otherwise, use the 3D path.
*/
if (rdst->cmask.size && rdst->dirty_level_mask & (1 << dst_level)) {
+ /* The CMASK clear is only enabled for the first level. */
+ assert(dst_level == 0);
if (!util_texrange_covers_whole_level(&rdst->resource.b.b,
dst_level,
dstx, dsty, dstz,
src_box->width,
src_box->height,
src_box->depth))
--
2.7.4
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