public override IObservable <TSource> Process <TSource>(IObservable <TSource> source)
{
return(Observable.Defer(() =>
{
FramebufferState framebuffer = null;
return source.CombineEither(
ShaderManager.WindowSource.Do(window =>
{
framebuffer = new FramebufferState(window, framebufferConfiguration);
}),
(input, window) =>
{
foreach (var state in renderState)
{
state.Execute(window);
}
framebuffer.Bind();
foreach (var shader in window.Shaders)
{
shader.Dispatch();
}
framebuffer.Unbind();
return input;
}).Finally(() =>
{
if (framebuffer != null)
{
framebuffer.Dispose();
}
});
}));
}
public ShaderState(
Shader shaderTarget,
ResourceManager resourceManager,
IEnumerable <StateConfiguration> renderStateConfiguration,
IEnumerable <UniformConfiguration> shaderUniforms,
IEnumerable <BufferBindingConfiguration> bufferBindingConfiguration,
FramebufferConfiguration framebufferConfiguration)
{
if (shaderTarget == null)
{
throw new ArgumentNullException("shaderTarget");
}
if (resourceManager == null)
{
throw new ArgumentNullException("resourceManager");
}
if (renderStateConfiguration == null)
{
throw new ArgumentNullException("renderStateConfiguration");
}
if (shaderUniforms == null)
{
throw new ArgumentNullException("shaderUniforms");
}
if (bufferBindingConfiguration == null)
{
throw new ArgumentNullException("bufferBindingConfiguration");
}
if (framebufferConfiguration == null)
{
throw new ArgumentNullException("framebufferConfiguration");
}
shader = shaderTarget;
renderState = renderStateConfiguration.ToList();
uniformBindings = shaderUniforms.Select(configuration => new UniformBinding(shader, configuration)).ToList();
bufferBindings = bufferBindingConfiguration.Select(configuration => configuration.CreateBufferBinding(shader, resourceManager)).ToList();
framebuffer = new FramebufferState(shader.Window, framebufferConfiguration);
}