public void Init()
{
if (Control == null)
{
return;
}
swapChain = Control.SwapChain;
Device tDevice = Control.Device;
//camera = new Camera(Vector3.Zero, Vector3.Zero, ref tDevice);
device = tDevice;
context = device.ImmediateContext;
//
string shaderFile = $"{Path.GetDirectoryName(Application.ExecutablePath)}\\triangle.fx";
using (var bytecode = ShaderBytecode.CompileFromFile(shaderFile, "VShader", "vs_4_0", ShaderFlags.None, EffectFlags.None))
//effect = new Effect(device, bytecode);
{
inputSignature = ShaderSignature.GetInputSignature(bytecode);
vertexShader = new VertexShader(device, bytecode);
}
// load and compile the pixel shader
using (var bytecode = ShaderBytecode.CompileFromFile(shaderFile, "PShader", "ps_4_0", ShaderFlags.None, EffectFlags.None))
pixelShader = new PixelShader(device, bytecode);
// create test vertex data, making sure to rewind the stream afterward
/*var vertices = new DataStream(12 * 3, true, true);
* vertices.Write(new Vector3(0, .25f, .5f));
* vertices.Write(new Vector3(0, -.5f, .5f));
* vertices.Write(new Vector3(-.5f, -.5f, .5f));
* vertices.Position = 0;
*
* // create the vertex layout and buffer
* var elements = new[] { new InputElement("POSITION", 0, Format.R32G32B32_Float, 0) };
* var layout = new InputLayout(device, inputSignature, elements);
* var vertexBuffer = new Buffer(device, vertices, 12 * 3, ResourceUsage.Default, BindFlags.VertexBuffer, CpuAccessFlags.None,
* ResourceOptionFlags.None, 0);
*
* // configure the Input Assembler portion of the pipeline with the vertex data
* context.InputAssembler.InputLayout = layout;
* context.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
* context.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(vertexBuffer, 12, 0));
*
* // set the shaders
* context.VertexShader.Set(vertexShader);
* context.PixelShader.Set(pixelShader);
*
* // render
* Render(Color.Black);*/
}
protected override void Deallocate()
{
Destroy();
mConstants.Reset();
mResources.Reset();
mShader?.Dispose();
mShader = null;
}
private void Destroy()
{
mOffScreenWindow?.Close();
mSwapChain?.Dispose();
mPixelShader?.Dispose();
mVertexShader?.Dispose();
mVertexBuffer?.Dispose();
mVertices?.Dispose();
mRenderTarget?.Dispose();
mOffScreenWindow = null;
mSwapChain = null;
mPixelShader = null;
mVertexShader = null;
mVertexBuffer = null;
mVertices = null;
mRenderTarget = null;
}
protected void Render()
{
while (true)
{
Timer.Instance.Tick();
if (Resize)
{
DeviceManager.Instance.Resize();
Resize = false;
}
frameCounter.Count();
DeviceManager deviceManager = DeviceManager.Instance;
deviceManager.context.ClearDepthStencilView(deviceManager.depthStencil, DepthStencilClearFlags.Depth | DepthStencilClearFlags.Stencil, 1.0f, 0);
deviceManager.context.ClearRenderTargetView(deviceManager.renderTarget, new Color4(BackgroundColour));
CameraManager.Instance.UpdateFrameCamera();
SlimDX.Direct3D11.DepthStencilState oldDSState = DeviceManager.Instance.context.OutputMerger.DepthStencilState;
SlimDX.Direct3D11.BlendState oldBlendState = DeviceManager.Instance.context.OutputMerger.BlendState;
SlimDX.Direct3D11.RasterizerState oldRasterizerState = DeviceManager.Instance.context.Rasterizer.State;
SlimDX.Direct3D11.VertexShader oldVertexShader = DeviceManager.Instance.context.VertexShader.Get();
SlimDX.Direct3D11.Buffer[] oldVSCBuffers = DeviceManager.Instance.context.VertexShader.GetConstantBuffers(0, 10);
SlimDX.Direct3D11.PixelShader oldPixelShader = DeviceManager.Instance.context.PixelShader.Get();
SlimDX.Direct3D11.Buffer[] oldPSCBuffers = DeviceManager.Instance.context.PixelShader.GetConstantBuffers(0, 10);
SlimDX.Direct3D11.ShaderResourceView[] oldShaderResources = DeviceManager.Instance.context.PixelShader.GetShaderResources(0, 10);
SlimDX.Direct3D11.GeometryShader oldGeometryShader = DeviceManager.Instance.context.GeometryShader.Get();
if (ViewMode == ViewMode.Scene)
{
if (CurrentScene != null)
{
CurrentScene.Render();
}
}
else if (ViewMode == ViewMode.Object)
{
if (CurrentObject != null)
{
CurrentObject.Render();
}
}
DeviceManager.Instance.context.OutputMerger.DepthStencilState = oldDSState;
DeviceManager.Instance.context.OutputMerger.BlendState = oldBlendState;
DeviceManager.Instance.context.Rasterizer.State = oldRasterizerState;
DeviceManager.Instance.context.VertexShader.Set(oldVertexShader);
DeviceManager.Instance.context.VertexShader.SetConstantBuffers(oldVSCBuffers, 0, 10);
DeviceManager.Instance.context.PixelShader.Set(oldPixelShader);
DeviceManager.Instance.context.PixelShader.SetConstantBuffers(oldPSCBuffers, 0, 10);
DeviceManager.Instance.context.PixelShader.SetShaderResources(oldShaderResources, 0, 10);
DeviceManager.Instance.context.GeometryShader.Set(oldGeometryShader);
Monitor.Enter(DeviceManager.Instance.device);
_spriteRenderer.RefreshViewport();
_spriteRenderer.Flush();
Monitor.Exit(DeviceManager.Instance.device);
DeviceManager.Instance.context.OutputMerger.DepthStencilState = oldDSState;
DeviceManager.Instance.context.OutputMerger.BlendState = oldBlendState;
DeviceManager.Instance.context.Rasterizer.State = oldRasterizerState;
DeviceManager.Instance.context.VertexShader.Set(oldVertexShader);
DeviceManager.Instance.context.VertexShader.SetConstantBuffers(oldVSCBuffers, 0, 10);
DeviceManager.Instance.context.PixelShader.Set(oldPixelShader);
DeviceManager.Instance.context.PixelShader.SetConstantBuffers(oldPSCBuffers, 0, 10);
DeviceManager.Instance.context.PixelShader.SetShaderResources(oldShaderResources, 0, 10);
DeviceManager.Instance.context.GeometryShader.Set(oldGeometryShader);
// syncInterval can be 0
deviceManager.swapChain.Present(syncInterval, PresentFlags.None);
}
}
private void CreateView(int width, int height)
{
if (width <= 0)
{
throw new ArgumentOutOfRangeException(nameof(width));
}
if (height <= 0)
{
throw new ArgumentOutOfRangeException(nameof(height));
}
Destroy();
mWidth = width;
mHeight = height;
Execution.ExecuteOnUiThread(() =>
{
mOffScreenWindow = new Form();
mOffScreenWindow.Left = -65535;
mOffScreenWindow.Top = -65535;
mOffScreenWindow.FormBorderStyle = FormBorderStyle.None;
mOffScreenWindow.Width = 1;
mOffScreenWindow.Height = 1;
mOffScreenWindow.ShowInTaskbar = false;
mOffScreenWindow.Show();
mOffScreenWindow.Hide();
});
var description = new SwapChainDescription
{
BufferCount = 1,
IsWindowed = true,
ModeDescription = new ModeDescription(0, 0, new Rational(60, 1), Format.B8G8R8A8_UNorm),
SampleDescription = new SampleDescription(1, 0),
Usage = Usage.RenderTargetOutput | Usage.Shared,
OutputHandle = mOffScreenWindow.Handle
};
mSwapChain = mDevice.CreateSwapChain(description);
mPixelShader = new PixelShader(Device, Bytecode);
mVertexShader = new VertexShader(Device, mVertexShaderBytecode);
mVertexBuffer = CreateVertexBuffer(out mVertices);
Execution.ExecuteOnUiThread(() =>
{
mOffScreenWindow.Width = mWidth;
mOffScreenWindow.Height = mHeight;
});
mSwapChain.ResizeBuffers(1, mWidth, mHeight, Format.B8G8R8A8_UNorm, SwapChainFlags.None);
Device.ImmediateContext.Rasterizer.SetViewports(new Viewport(0.0f, 0.0f, mWidth, mHeight));
Device.ImmediateContext.Rasterizer.State =
RasterizerState.FromDescription(Device,
new RasterizerStateDescription
{
CullMode = CullMode.None,
FillMode = FillMode.Solid
});
mRenderTarget = new HardwareRenderTarget(mDevice, mSwapChain);
}
protected override void OnBytecodeLoaded()
{
mShader = new PixelShader(Device, Bytecode);
Device.ImmediateContext.PixelShader.Set(mShader);
}
