public override void DrawBuffer(VertexBufferBase vb, MpGe.Effect.EffectBase eb)
{
var eff = eb as Effect.Effect;
Buffer.VertexBufferDX12 buf = vb as Buffer.VertexBufferDX12;
var list = eff.commandList;
// list.SetRenderTargets(rtvHandle, null);
CommandList.PipelineState = eff.pipelineState;
CommandList.SetDescriptorHeaps(eff._descriptorHeaps.Length, eff._descriptorHeaps);
CommandList.SetGraphicsRootSignature(eff.Root);
CommandList.SetVertexBuffer(0, buf.vertexBufferView);
CommandList.SetIndexBuffer(buf.indexBufferView);
CommandList.PrimitiveTopology = SharpDX.Direct3D.PrimitiveTopology.TriangleList;
CommandList.SetGraphicsRootDescriptorTable(0, eff._cbvHeap.GPUDescriptorHandleForHeapStart);
CommandList.DrawIndexedInstanced(buf.IndexCount, 1, 0, 0, 0);
//CommandQueue.ExecuteCommandList(CommandList);
//FlushCommandQueue();
}
protected override void Draw(GameTimer gt)
{
// Reuse the memory associated with command recording.
// We can only reset when the associated command lists have finished execution on the GPU.
DirectCmdListAlloc.Reset();
// A command list can be reset after it has been added to the command queue via ExecuteCommandList.
// Reusing the command list reuses memory.
CommandList.Reset(DirectCmdListAlloc, _pso);
CommandList.SetViewport(Viewport);
CommandList.SetScissorRectangles(ScissorRectangle);
// Indicate a state transition on the resource usage.
CommandList.ResourceBarrierTransition(CurrentBackBuffer, ResourceStates.Present, ResourceStates.RenderTarget);
// Clear the back buffer and depth buffer.
CommandList.ClearRenderTargetView(CurrentBackBufferView, Color.LightSteelBlue);
CommandList.ClearDepthStencilView(DepthStencilView, ClearFlags.FlagsDepth | ClearFlags.FlagsStencil, 1.0f, 0);
// Specify the buffers we are going to render to.
CommandList.SetRenderTargets(CurrentBackBufferView, DepthStencilView);
// TODO: API suggestion: rename descriptorHeapsOut to descriptorHeaps;
// TODO: Add an overload for a setting a single SetDescriptorHeap?
// TODO: Make requiring explicit length optional.
CommandList.SetDescriptorHeaps(_descriptorHeaps.Length, _descriptorHeaps);
CommandList.SetGraphicsRootSignature(_rootSignature);
CommandList.SetVertexBuffer(0, _boxGeo.VertexBufferView);
CommandList.SetIndexBuffer(_boxGeo.IndexBufferView);
CommandList.PrimitiveTopology = PrimitiveTopology.TriangleList;
CommandList.SetGraphicsRootDescriptorTable(0, _cbvHeap.GPUDescriptorHandleForHeapStart);
CommandList.DrawIndexedInstanced(_boxGeo.IndexCount, 1, 0, 0, 0);
// Indicate a state transition on the resource usage.
CommandList.ResourceBarrierTransition(CurrentBackBuffer, ResourceStates.RenderTarget, ResourceStates.Present);
// Done recording commands.
CommandList.Close();
// Add the command list to the queue for execution.
CommandQueue.ExecuteCommandList(CommandList);
// Present the buffer to the screen. Presenting will automatically swap the back and front buffers.
SwapChain.Present(0, PresentFlags.None);
// Wait until frame commands are complete. This waiting is inefficient and is
// done for simplicity. Later we will show how to organize our rendering code
// so we do not have to wait per frame.
FlushCommandQueue();
}