[Mesa-dev] [PATCH 4/8] radeonsi: avoid attempting to create CMASK if the tiling mode doesn't have it

[Nicolai Hähnle]

From: Nicolai Hähnle <nicolai.haehnle at amd.com>

---
 src/gallium/drivers/radeon/r600_texture.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c
index 5f6e9139d0f..cdb700465ca 100644
--- a/src/gallium/drivers/radeon/r600_texture.c
+++ b/src/gallium/drivers/radeon/r600_texture.c
@@ -850,20 +850,22 @@ static void r600_texture_allocate_cmask(struct r600_common_screen *rscreen,
 
 static void r600_texture_alloc_cmask_separate(struct r600_common_screen *rscreen,
 					      struct r600_texture *rtex)
 {
 	if (rtex->cmask_buffer)
                 return;
 
 	assert(rtex->cmask.size == 0);
 
 	si_texture_get_cmask_info(rscreen, rtex, &rtex->cmask);
+	if (!rtex->cmask.size)
+		return;
 
 	rtex->cmask_buffer = (struct r600_resource *)
 		si_aligned_buffer_create(&rscreen->b,
 					   R600_RESOURCE_FLAG_UNMAPPABLE,
 					   PIPE_USAGE_DEFAULT,
 					   rtex->cmask.size,
 					   rtex->cmask.alignment);
 	if (rtex->cmask_buffer == NULL) {
 		rtex->cmask.size = 0;
 		return;
-- 
2.11.0