public void Dispose()
{
DXDebug.CheckAccess(graphicsHost.Device);
constantBuffer.Dispose();
pipelineState.Dispose();
vertexBuffer.Dispose();
}
public override Texture <SharpDX.Direct3D12.Resource> CreateTexture(TextureContent data)
{
DXDebug.CheckAccess(graphicsHost.Device);
SharpDX.Direct3D12.Resource texture = null;
var textureDesc = ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, data.Width, data.Height);
texture = graphicsHost.Device.CreateCommittedResource(new HeapProperties(HeapType.Default), HeapFlags.None, textureDesc, ResourceStates.CopyDestination);
long uploadBufferSize = GetRequiredIntermediateSize(texture, 0, 1);
// Create the GPU upload buffer.
var textureUploadHeap = graphicsHost.Device.CreateCommittedResource(new HeapProperties(CpuPageProperty.WriteBack, MemoryPool.L0), HeapFlags.None,
ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, data.Width, data.Height), ResourceStates.GenericRead);
// Copy data to the intermediate upload heap and then schedule a copy
// from the upload heap to the Texture2D.
var handle = GCHandle.Alloc(data.Pixels, GCHandleType.Pinned);
var ptr = Marshal.UnsafeAddrOfPinnedArrayElement(data.Pixels, 0);
textureUploadHeap.WriteToSubresource(0, null, ptr, (sizeof(byte) * 4) * data.Width, data.Pixels.Length);
handle.Free();
// TODO: Runtime invalid call error below
//var commandList = graphicsHost.RequestCommandList();
//commandList.CopyTextureRegion(new TextureCopyLocation(texture, 0), 0, 0, 0, new TextureCopyLocation(textureUploadHeap, 0), null);
//commandList.ResourceBarrierTransition(texture, ResourceStates.CopyDestination, ResourceStates.PixelShaderResource);
//// Describe and create a SRV for the texture.
//var srvDesc = new ShaderResourceViewDescription
//{
// Shader4ComponentMapping = DXHelper.DefaultComponentMapping(),
// Format = textureDesc.Format,
// Dimension = ShaderResourceViewDimension.Texture2D,
// Texture2D = { MipLevels = 1 },
//};
//graphicsHost.Device.CreateShaderResourceView(texture, srvDesc, graphicsHost.SRVHeap.CPUDescriptorHandleForHeapStart);
//// Command lists are created in the recording state, but there is nothing
//// to record yet. The main loop expects it to be closed, so close it now.
//commandList.Close();
//graphicsHost.CommandQueue.ExecuteCommandList(commandList);
textureUploadHeap.Dispose();
return(new Texture <SharpDX.Direct3D12.Resource>(texture, data.Width, data.Height, data.Left, data.Right, data.Top, data.Bottom, data.IsTransparent));
}
protected override unsafe void BeginDraw(ref Matrix4x4 projection, ushort *pIndex, int indexCount)
{
DXDebug.CheckAccess(graphicsHost.Device);
// Update constant buffer resource.
constantBufferData.transform = projection;
SharpDX.Utilities.Write(mappedConstantBuffer, ref constantBufferData);
// Request a new bundle.
commandList = graphicsHost.RequestBundle(pipelineState);
// Record the commands.
commandList.SetGraphicsRootDescriptorTable(0, graphicsHost.CBVHeap.GPUDescriptorHandleForHeapStart);
commandList.PrimitiveTopology = SharpDX.Direct3D.PrimitiveTopology.TriangleStrip;
}
protected override unsafe void Draw(Vertex2D *pVertex, int vertexCount, SharpDX.Direct3D12.Resource texture, bool isTransparent)
{
DXDebug.CheckAccess(graphicsHost.Device);
// TODO: texture, isTransparent
commandList.SetGraphicsRootDescriptorTable(1, graphicsHost.SRVHeap.GPUDescriptorHandleForHeapStart);
// Update the vertex buffer
IntPtr dataBegin = vertexBuffer.Map(0);
SharpDX.Utilities.CopyMemory(dataBegin, new IntPtr(pVertex), vertexCount * Vertex2D.SizeInBytes);
vertexBuffer.Unmap(0);
// Record the commands.
commandList.SetVertexBuffer(0, vertexBufferView);
// Call draw.
commandList.DrawInstanced(vertexCount / 4 * 6, 1, 0, 0);
}
