private void CompositionTarget_Rendering(object sender, object e)
{
_context.OutputMerger.SetRenderTargets(_depthStencilView, _renderView);
_context.ClearDepthStencilView(_depthStencilView, D3D.DepthStencilClearFlags.Depth, 1.0f, 0);
_context.ClearRenderTargetView(_renderView, new RawColor4(0.0f, 0.0f, 0.0f, 0.0f));
var view = SharpDX.Matrix.LookAtLH(new Vector3(0, 0, -5), new Vector3(0, 0, 0), Vector3.UnitY);
var proj = SharpDX.Matrix.PerspectiveFovLH((float)Math.PI / 4.0f, (float)(panel.RenderSize.Width / panel.RenderSize.Height), 0.1f, 100.0f);
var viewProj = SharpDX.Matrix.Multiply(view, proj);
var period = 2000.0;
var time = (float)(_timer.ElapsedMilliseconds % period);
var worldViewProj = SharpDX.Matrix.Scaling(1) * SharpDX.Matrix.RotationX(0.0f * time)
* SharpDX.Matrix.RotationY((float)(2 * Math.PI * time / period)) * SharpDX.Matrix.RotationZ(1 * time * 0.0f)
* viewProj;
worldViewProj.Transpose();
_context.InputAssembler.SetVertexBuffers(0, _vertexBinding);
_context.InputAssembler.InputLayout = _inputLayout;
_context.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
_context.VertexShader.SetConstantBuffer(0, _constantBuffer);
_context.VertexShader.Set(_vertexShader);
_context.PixelShader.Set(_pixelShader);
_context.Draw(_vertices.Length, 0);
// Update Constant Buffer
_context.UpdateSubresource(ref worldViewProj, _constantBuffer, 0);
_swapChain.Present(1, DXGI.PresentFlags.None);
}
public override void Swap()
{
SharpDX.Direct3D12.ResourceBarrier barrier = new SharpDX.Direct3D12.ResourceBarrier();
barrier.Type = SharpDX.Direct3D12.ResourceBarrierType.Transition;
barrier.Flags = SharpDX.Direct3D12.ResourceBarrierFlags.None;
if (_sampleDesc.Count > 1)
{
barrier.Transition = new SharpDX.Direct3D12.ResourceTransitionBarrier(_backBuffersAA[_frameIndex],
SharpDX.Direct3D12.ResourceStates.RenderTarget,
SharpDX.Direct3D12.ResourceStates.ResolveSource)
{
Subresource = 0
};
_commands.ResourceBarrier(barrier);
barrier.Transition = new SharpDX.Direct3D12.ResourceTransitionBarrier(_backBuffers[_frameIndex],
SharpDX.Direct3D12.ResourceStates.Present,
SharpDX.Direct3D12.ResourceStates.ResolveDestination)
{
Subresource = 0
};
_commands.ResourceBarrier(barrier);
_commands.ResolveSubresource(_backBuffers[_frameIndex], 0, _backBuffersAA[_frameIndex], 0, _format);
barrier.Transition = new SharpDX.Direct3D12.ResourceTransitionBarrier(_backBuffers[_frameIndex],
SharpDX.Direct3D12.ResourceStates.ResolveDestination,
SharpDX.Direct3D12.ResourceStates.Present)
{
Subresource = 0
};
_commands.ResourceBarrier(barrier);
}
else
{
barrier.Transition = new SharpDX.Direct3D12.ResourceTransitionBarrier(_backBuffers[_frameIndex],
SharpDX.Direct3D12.ResourceStates.RenderTarget,
SharpDX.Direct3D12.ResourceStates.Present)
{
Subresource = 0
};
_commands.ResourceBarrier(barrier);
}
// TODO: transition video textures
_commands.Close();
_queue.ExecuteCommandList(_commands);
_fenceValue++;
_queue.Signal(_fence, _fenceValue);
_frameFenceValues[_frameIndex] = _fenceValue;
_swapChain.Present(_syncInterval, _presentFlags);
_frameIndex = _swapChain.CurrentBackBufferIndex;
}