commit c4aa64b4c346c06af36c223f00a09a43434c1746
author Samuel Pitoiset <samuel.pitoiset@gmail.com> Wed Jun 17 16:35:05 2020 +0200
committer Samuel Pitoiset <samuel.pitoiset@gmail.com> Thu Jun 18 08:39:28 2020 +0200
tree f777f47b301a017522894c2144fc1c37f500f5c5
parent 34499de5b3793b6ad5302c4e2913803b9c48cc9f

radv: lower discards to demote to workaround a RDR2 game bug

This fixes some sort of LOD issue.

Cc: 20.1 <mesa-stable@lists.freedesktop.org>
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5525>

src/amd/vulkan/radv_device.c

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index 2a51c60..f9afd72 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -579,6 +579,9 @@
 		} else if (!strcmp(name, "DOOMEternal")) {
 			/* Zero VRAM for Doom Eternal to fix rendering issues. */
 			instance->debug_flags |= RADV_DEBUG_ZERO_VRAM;
+		} else if (!strcmp(name, "Red Dead Redemption 2")) {
+			/* Work around a RDR2 game bug */
+			instance->debug_flags |= RADV_DEBUG_DISCARD_TO_DEMOTE;
 		}
 	}