HBAO+ 4.0.0.23740451

1 files changed, 49 insertions, 0 deletions

diff --git a/samples/dual_layer/D3D12/src/D3D12Mesh.cpp b/samples/dual_layer/D3D12/src/D3D12Mesh.cpp
new file mode 100644
index 0000000..e7f13d5
--- /dev/null
+++ b/samples/dual_layer/D3D12/src/D3D12Mesh.cpp
@@ -0,0 +1,49 @@
+/*
+* Copyright (c) 2008-2018, NVIDIA CORPORATION. All rights reserved.
+*
+* NVIDIA CORPORATION and its licensors retain all intellectual property
+* and proprietary rights in and to this software, related documentation
+* and any modifications thereto. Any use, reproduction, disclosure or
+* distribution of this software and related documentation without an express
+* license agreement from NVIDIA CORPORATION is strictly prohibited.
+*/
+
+#define _SCL_SECURE_NO_WARNINGS
+#include "D3D12Mesh.h"
+#include "d3dx12.h"
+
+bool D3D12Mesh::InitializeFromMesh(ID3D12Device* device, Mesh& mesh)
+{
+    mNumIndices = (uint32_t)mesh.mIndices.size();
+    
+    ID3D12Resource* vertexBuffer = nullptr;
+    ID3D12Resource* indexBuffer = nullptr;
+
+    uint32_t vertexBufferSize = (uint32_t)mesh.mVertices.size() * sizeof(decltype(mesh.mVertices)::value_type);
+    uint32_t indexBufferSize = (uint32_t)mesh.mIndices.size() * sizeof(decltype(mesh.mIndices)::value_type);
+
+    device->CreateCommittedResource(&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD), D3D12_HEAP_FLAG_NONE, &CD3DX12_RESOURCE_DESC::Buffer(vertexBufferSize),
+        D3D12_RESOURCE_STATE_GENERIC_READ, nullptr, IID_PPV_ARGS(&vertexBuffer));
+
+    device->CreateCommittedResource(&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD), D3D12_HEAP_FLAG_NONE, &CD3DX12_RESOURCE_DESC::Buffer(indexBufferSize),
+        D3D12_RESOURCE_STATE_GENERIC_READ, nullptr, IID_PPV_ARGS(&indexBuffer));
+
+    void* uploadPtr = nullptr;
+    vertexBuffer->Map(0, nullptr, &uploadPtr);
+    std::copy(mesh.mVertices.begin(), mesh.mVertices.end(), (decltype(mesh.mVertices)::value_type*)uploadPtr);
+    vertexBuffer->Unmap(0, nullptr);
+
+    indexBuffer->Map(0, nullptr, &uploadPtr);
+    std::copy(mesh.mIndices.begin(), mesh.mIndices.end(), (decltype(mesh.mIndices)::value_type*)uploadPtr);
+    indexBuffer->Unmap(0, nullptr);
+
+    mVertexBuffer.BufferLocation = vertexBuffer->GetGPUVirtualAddress();
+    mVertexBuffer.SizeInBytes = vertexBufferSize;
+    mVertexBuffer.StrideInBytes = sizeof(decltype(mesh.mVertices)::value_type);
+
+    mIndexBuffer.BufferLocation = indexBuffer->GetGPUVirtualAddress();
+    mIndexBuffer.SizeInBytes = indexBufferSize;
+    mIndexBuffer.Format = DXGI_FORMAT_R32_UINT;
+
+    return true;
+}