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Add Persistent Buffers

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This work is a heavily refactored and rewritten from TheForge's initial
code.

TheForge's original code had too many race conditions and was
fundamentally flawed as it was too easy to incur into those data races
by accident.

However they identified the proper places that needed changes, and the
idea was sound. I used their work as a blueprint to design this work.

This PR implements:

 - Introduction of UMA buffers used by a few buffers
(most notably the ones filled by _fill_instance_data).

Ironically this change seems to positively affect PC more than it does
on Mobile.

Updates D3D12 Memory Allocator to get GPU_UPLOAD heap support.

Metal implementation by Stuart Carnie.

Co-authored-by: Stuart Carnie <stuart.carnie@gmail.com>
Co-authored-by: TheForge team
This commit is contained in:
Stuart Carnie
2025-10-18 07:00:58 +11:00
parent 5950fca36c
commit 230adb7511
38 changed files with 2848 additions and 1466 deletions
Download Patch File Download Diff File Expand all files Collapse all files

976
thirdparty/d3d12ma/D3D12MemAlloc.cpp vendored
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912
thirdparty/d3d12ma/D3D12MemAlloc.h vendored
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2
thirdparty/d3d12ma/LICENSE.txt vendored
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@@ -1,4 +1,4 @@
Copyright (c) 2019-2022 Advanced Micro Devices, Inc. All rights reserved.
Copyright (c) 2019-2025 Advanced Micro Devices, Inc. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal

8
thirdparty/d3d12ma/README.md vendored Normal file
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@@ -0,0 +1,8 @@
Upstream:
https://github.com/GPUOpen-LibrariesAndSDKs/D3D12MemoryAllocator
commit d26c54a6f40c66611dd33c77df4198784b53a8e2
Author: Adam Sawicki <adam.sawicki@amd.com>
Date: Wed Apr 9 15:07:43 2025 +0200
Minor fixes after #71

45
thirdparty/d3d12ma/patches/0001-mingw-support.patch vendored
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@@ -1,45 +0,0 @@
diff --git a/thirdparty/d3d12ma/D3D12MemAlloc.cpp b/thirdparty/d3d12ma/D3D12MemAlloc.cpp
index 8e2488091a..80d910e694 100644
--- a/thirdparty/d3d12ma/D3D12MemAlloc.cpp
+++ b/thirdparty/d3d12ma/D3D12MemAlloc.cpp
@@ -33,6 +33,12 @@
#include <shared_mutex>
#endif
+#if !defined(_MSC_VER)
+#include <guiddef.h>
+
+#include <dxguids.h>
+#endif
+
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
@@ -8178,7 +8184,13 @@ HRESULT AllocatorPimpl::UpdateD3D12Budget()
D3D12_RESOURCE_ALLOCATION_INFO AllocatorPimpl::GetResourceAllocationInfoNative(const D3D12_RESOURCE_DESC& resourceDesc) const
{
+#if defined(_MSC_VER) || !defined(_WIN32)
return m_Device->GetResourceAllocationInfo(0, 1, &resourceDesc);
+#else
+ D3D12_RESOURCE_ALLOCATION_INFO ret;
+ m_Device->GetResourceAllocationInfo(&ret, 0, 1, &resourceDesc);
+ return ret;
+#endif
}
#ifdef __ID3D12Device8_INTERFACE_DEFINED__
@@ -8186,7 +8198,13 @@ D3D12_RESOURCE_ALLOCATION_INFO AllocatorPimpl::GetResourceAllocationInfoNative(c
{
D3D12MA_ASSERT(m_Device8 != NULL);
D3D12_RESOURCE_ALLOCATION_INFO1 info1Unused;
+#if defined(_MSC_VER) || !defined(_WIN32)
return m_Device8->GetResourceAllocationInfo2(0, 1, &resourceDesc, &info1Unused);
+#else
+ D3D12_RESOURCE_ALLOCATION_INFO ret;
+ m_Device8->GetResourceAllocationInfo2(&ret, 0, 1, &resourceDesc, &info1Unused);
+ return ret;
+#endif
}
#endif // #ifdef __ID3D12Device8_INTERFACE_DEFINED__