public static void Render <TVertexShaderIn, TPixelShaderIn>(
TVertexShaderIn[] vertices,
int[] indices,
MemoryResources resources,
InputAssembler inputAssembler,
OutputMerger outputMerger,
IVertexShader <TVertexShaderIn, TPixelShaderIn> vertexShader,
IGeometryProcessor <TPixelShaderIn> geometryProcessor,
IRasterizer <TPixelShaderIn> rasterizer,
IPixelShader <TPixelShaderIn> pixelShader,
Bitmap output)
where TVertexShaderIn : struct, IVertexShaderInput
where TPixelShaderIn : struct, IPixelShaderInput
{
if (vertices.Length == 0 || indices.Length == 0)
{
return;
}
(vertices, indices) = inputAssembler.Assemble(vertices, indices);
var vertexShaderOutput = new TPixelShaderIn[vertices.Length];
for (var i = 0; i < vertices.Length; ++i)
{
vertexShaderOutput[i] = vertexShader.Transform(resources, vertices[i]);
}
(vertexShaderOutput, indices) = geometryProcessor.Process(vertexShaderOutput, indices);
var pixelShaderOutput = rasterizer.Rasterize(resources, vertexShaderOutput, indices, pixelShader, outputMerger, output.Width, output.Height, _outputBuffer, _wBuffer);
Helper.SetPixels(pixelShaderOutput, output);
}
private void ClearStates()
{
VertexShader.ClearCurrentState();
VertexShader.ClearDesiredState();
PixelShader.ClearCurrentState();
PixelShader.ClearDesiredState();
OutputMerger.ClearCurrentState();
OutputMerger.ClearDesiredState();
InputAssembler.ClearCurrentState();
InputAssembler.ClearDesiredState();
Rasterizer.ClearCurrentState();
Rasterizer.ClearDesiredState();
}
public void ApplyShaderResources()
{
var vs = (CargoEngine.Shader.VertexShader)VertexShader.Shader;
if (vs != null && InputAssembler.DesiredState.InputElements.NeedUpdate)
{
var il = vs.GetInputLayout(InputAssembler.InputElements);
DevContext.InputAssembler.InputLayout = il;
InputAssembler.CurrentState.InputElements.State = InputAssembler.DesiredState.InputElements.State;
InputAssembler.DesiredState.InputElements.ResetTracking();
}
InputAssembler.ApplyDesiredState(DevContext, ParameterManager);
VertexShader.ApplyDesiredState(DevContext, ParameterManager);
PixelShader.ApplyDesiredState(DevContext, ParameterManager);
Rasterizer.ApplyDesiredState(DevContext, ParameterManager);
}
protected virtual void CreateObjects()
{
_memoryResources = new MemoryResources();
_inputAssembler = new InputAssembler();
_outputMerger = new OutputMerger();
}
