radv: introduce perf test env var and allow to enable chaining

We have some features that seem to slow things down or cause other
possible undesireable side effects, but it would be nice to test
games etc with them easily.

I forsee multisample DCC and maybe some shader opt changes using this.

For now use it for batch chaining.

Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/amd/vulkan/radv_private.h b/src/amd/vulkan/radv_private.h
index c21b17e8be4..87cb0a67fe7 100644
--- a/src/amd/vulkan/radv_private.h
+++ b/src/amd/vulkan/radv_private.h
@@ -288,6 +288,7 @@ struct radv_instance {
 	struct radv_physical_device                 physicalDevices[RADV_MAX_DRM_DEVICES];
 
 	uint64_t debug_flags;
+	uint64_t perftest_flags;
 };
 
 VkResult radv_init_wsi(struct radv_physical_device *physical_device);