internal ShaderPipeline GetShaderPipeline(Shader vertex, Shader tescontrol, Shader teseval, Shader geometry,
Shader fragment, Shader compute)
{
ShaderPipelineDescription desc = new ShaderPipelineDescription()
{
Vertex = vertex,
TesselationControl = tescontrol,
TesselationEvaluation = teseval,
Geometry = geometry,
Fragment = fragment,
Compute = compute
};
if (_pipelines.ContainsKey(desc))
{
return(_pipelines[desc]);
}
ShaderPipeline pipeline = new ShaderPipeline(desc);
_pipelines.Add(desc, pipeline);
desc.Vertex?.Pipelines.Add(pipeline);
desc.TesselationControl?.Pipelines.Add(pipeline);
desc.TesselationEvaluation?.Pipelines.Add(pipeline);
desc.Geometry?.Pipelines.Add(pipeline);
desc.Fragment?.Pipelines.Add(pipeline);
desc.Compute?.Pipelines.Add(pipeline);
return(pipeline);
}
/// <summary>
/// Creates a new graphics pipeline
/// </summary>
/// <param name="device">Glob device</param>
/// <param name="vertex">Vertex shader</param>
/// <param name="tesselationControl">Tesselation control shader - can be null</param>
/// <param name="tesselationEvaluation">Tesselation evaluation shader - can be null</param>
/// <param name="geometry">Geometry shader - can be null</param>
/// <param name="fragment">Fragment shader</param>
/// <param name="vertexFormat">Vertex buffer format - can be null</param>
/// <param name="rasterizerState">Rasterization state - cull face and polygon mode</param>
/// <param name="depthState">Depth state - depth test func and depth mask</param>
/// <param name="blendState">Blend state - color/alpha blending mode - can be null</param>
public GraphicsPipeline(Device device, Shader vertex, Shader fragment, Shader tesselationControl, Shader tesselationEvaluation, Shader geometry, VertexBufferFormat vertexFormat, RasterizerState rasterizerState, DepthState depthState, BlendState blendState = null)
{
_device = device;
_shaderPipeline = _device.ShaderRepository.GetShaderPipeline(vertex, tesselationControl, tesselationEvaluation, geometry, fragment, null);
_vertexFormat = vertexFormat;
_rasterizerState = rasterizerState;
_depthState = depthState;
_blendState = blendState;
if (_blendState == null)
{
_blendState = new BlendState();
}
}
/// <summary>
/// Changes all current states to null, so any future bind or state change will effectively skip redundant state change checks and should execute its OpenGL calls.
/// </summary>
public void Invalidate()
{
ShaderPipeline = null;
_textureUnit.Invalidate();
_currentRasterizerState = null;
_currentDepthState = null;
_currentBlendState = null;
_boundReadFramebuffer = -1;
_boundDrawFramebuffer = -1;
_boundBothFramebuffer = -1;
_boundVertexFormat = null;
_boundVertexSource = null;
_bufferBindingManager.Invalidate();
}
public ComputePipeline(Device device, Shader compute)
{
_shaderPipeline = device.ShaderRepository.GetShaderPipeline(null, null, null, null, null, compute);
}