diff options
Diffstat (limited to 'Graphics/GraphicsEngineD3D12')
| -rw-r--r-- | Graphics/GraphicsEngineD3D12/src/BottomLevelASD3D12Impl.cpp | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/Graphics/GraphicsEngineD3D12/src/BottomLevelASD3D12Impl.cpp b/Graphics/GraphicsEngineD3D12/src/BottomLevelASD3D12Impl.cpp index 02e45b0e..5bb182dc 100644 --- a/Graphics/GraphicsEngineD3D12/src/BottomLevelASD3D12Impl.cpp +++ b/Graphics/GraphicsEngineD3D12/src/BottomLevelASD3D12Impl.cpp @@ -68,12 +68,25 @@ BottomLevelASD3D12Impl::BottomLevelASD3D12Impl(IReferenceCounters* pRef dst.Flags = D3D12_RAYTRACING_GEOMETRY_FLAG_NONE; dst.Triangles.VertexBuffer.StartAddress = 0; dst.Triangles.VertexBuffer.StrideInBytes = 0; - dst.Triangles.VertexFormat = TypeToDXGI_Format(src.VertexValueType, src.VertexComponentCount, src.VertexValueType < VT_FLOAT16); - dst.Triangles.VertexCount = src.MaxVertexCount; - dst.Triangles.IndexCount = src.IndexType == VT_UNDEFINED ? 0 : src.MaxPrimitiveCount * 3; - dst.Triangles.IndexFormat = ValueTypeToIndexType(src.IndexType); - dst.Triangles.IndexBuffer = 0; - dst.Triangles.Transform3x4 = 0; + + // Vertex format must be one of the following (https://docs.microsoft.com/en-us/windows/win32/api/d3d12/ns-d3d12-d3d12_raytracing_geometry_triangles_desc): + // * DXGI_FORMAT_R32G32_FLOAT - third component is assumed 0 + // * DXGI_FORMAT_R32G32B32_FLOAT + // * DXGI_FORMAT_R16G16_FLOAT - third component is assumed 0 + // * DXGI_FORMAT_R16G16B16A16_FLOAT - A16 component is ignored, other data can be packed there, such as setting vertex stride to 6 bytes. + // * DXGI_FORMAT_R16G16_SNORM - third component is assumed 0 + // * DXGI_FORMAT_R16G16B16A16_SNORM - A16 component is ignored, other data can be packed there, such as setting vertex stride to 6 bytes. + dst.Triangles.VertexFormat = TypeToDXGI_Format(src.VertexValueType, src.VertexComponentCount, src.VertexValueType < VT_FLOAT16); + VERIFY(dst.Triangles.VertexFormat == DXGI_FORMAT_R32G32_FLOAT || dst.Triangles.VertexFormat == DXGI_FORMAT_R32G32B32_FLOAT || + dst.Triangles.VertexFormat == DXGI_FORMAT_R16G16_FLOAT || dst.Triangles.VertexFormat == DXGI_FORMAT_R16G16B16A16_FLOAT || + dst.Triangles.VertexFormat == DXGI_FORMAT_R16G16_SNORM || dst.Triangles.VertexFormat == DXGI_FORMAT_R16G16B16A16_SNORM, + "Unsupported vertex format"); + + dst.Triangles.VertexCount = src.MaxVertexCount; + dst.Triangles.IndexCount = src.IndexType == VT_UNDEFINED ? 0 : src.MaxPrimitiveCount * 3; + dst.Triangles.IndexFormat = ValueTypeToIndexType(src.IndexType); + dst.Triangles.IndexBuffer = 0; + dst.Triangles.Transform3x4 = 0; MaxPrimitiveCount += src.MaxPrimitiveCount; } |