[Mesa-dev] [PATCH 9/9] radv: Enable DCC with transfers.

Bas Nieuwenhuizen bas at basnieuwenhuizen.nl
Fri Dec 29 02:06:17 UTC 2017


Before this DCC was in practice disabled for most games. This
enables practical DCC use. Expect a 5-10% perf increase on a
bunch of games on vega @ 4k.
---
 src/amd/vulkan/radv_image.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/amd/vulkan/radv_image.c b/src/amd/vulkan/radv_image.c
index 6088928df80..d8cee6f6cba 100644
--- a/src/amd/vulkan/radv_image.c
+++ b/src/amd/vulkan/radv_image.c
@@ -148,8 +148,7 @@ radv_init_surface(struct radv_device *device,
 		}
 	}
 
-	if ((pCreateInfo->usage & (VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
-	                           VK_IMAGE_USAGE_STORAGE_BIT)) ||
+	if ((pCreateInfo->usage & VK_IMAGE_USAGE_STORAGE_BIT) ||
 	    (pCreateInfo->flags & VK_IMAGE_CREATE_EXTENDED_USAGE_BIT_KHR) ||
 	    !dcc_compatible_formats ||
             (pCreateInfo->tiling == VK_IMAGE_TILING_LINEAR) ||
-- 
2.15.1



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