Mesa (master): gallium: add a resource flag to say no over allocation.
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Mon Aug 17 05:01:07 UTC 2020
Module: Mesa
Branch: master
Commit: ecb617a6a757a375a66b3c2ad25990011624c41a
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=ecb617a6a757a375a66b3c2ad25990011624c41a
Author: Dave Airlie <airlied at redhat.com>
Date: Fri Jun 19 16:25:49 2020 +1000
gallium: add a resource flag to say no over allocation.
llvmpipe overallocates buffers for buffers used as render targets,
however this breaks some vulkan apps (UE4), so add a workaround
flag to force llvmpipe to not overallocate certain buffers.
Reviewed-by: Roland Scheidegger <sroland at vmware.com>
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6082>
---
src/gallium/include/pipe/p_defines.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 88e65ca787e..235c8ec06bc 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -512,6 +512,7 @@ enum pipe_flush_flags
#define PIPE_RESOURCE_FLAG_SPARSE (1 << 3)
#define PIPE_RESOURCE_FLAG_SINGLE_THREAD_USE (1 << 4)
#define PIPE_RESOURCE_FLAG_ENCRYPTED (1 << 5)
+#define PIPE_RESOURCE_FLAG_DONT_OVER_ALLOCATE (1 << 6)
#define PIPE_RESOURCE_FLAG_DRV_PRIV (1 << 8) /* driver/winsys private */
#define PIPE_RESOURCE_FLAG_FRONTEND_PRIV (1 << 24) /* gallium frontend private */
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