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authorNanley Chery <nanley.g.chery@intel.com>2017-07-05 12:15:24 -0700
committerJason Ekstrand <jason.ekstrand@intel.com>2017-07-22 20:12:09 -0700
commit325ecffc62c311dba37ae6b86b7f2bf13ab8763e (patch)
tree0fe04d5fd24b2f528bef16a29cde834ef24a70a0 /src
parent01db9a74c6b39984c50a9794e69908aab51d67c4 (diff)
anv/image: Disable CCS if the image doesn't support rendering
Signed-off-by: Nanley Chery <nanley.g.chery@intel.com> Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Diffstat (limited to 'src')
-rw-r--r--src/intel/vulkan/anv_image.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/intel/vulkan/anv_image.c b/src/intel/vulkan/anv_image.c
index 4f0057c9527..f33a445d1d0 100644
--- a/src/intel/vulkan/anv_image.c
+++ b/src/intel/vulkan/anv_image.c
@@ -214,6 +214,21 @@ make_surface(const struct anv_device *dev,
ok = isl_surf_get_ccs_surf(&dev->isl_dev, &anv_surf->isl,
&image->aux_surface.isl, 0);
if (ok) {
+
+ /* Disable CCS when it is not useful (i.e., when you can't render
+ * to the image with CCS enabled).
+ */
+ if (!isl_format_supports_rendering(&dev->info, format)) {
+ /* While it may be technically possible to enable CCS for this
+ * image, we currently don't have things hooked up to get it
+ * working.
+ */
+ anv_perf_warn("This image format doesn't support rendering. "
+ "Not allocating an CCS buffer.");
+ image->aux_surface.isl.size = 0;
+ return VK_SUCCESS;
+ }
+
add_surface(image, &image->aux_surface);
/* For images created without MUTABLE_FORMAT_BIT set, we know that