private void loadFrameBuffer()
{
frameBufferObject = GL.GenFramebuffer();
GL.BindFramebuffer(FramebufferTarget.Framebuffer, frameBufferObject);
GL.DrawBuffers(1, new DrawBuffersEnum[] { DrawBuffersEnum.ColorAttachment0 });
ScreenGrab = new Texture(Width, Height);
ppBufferA = new Texture(Width, Height);
ppBufferB = new Texture(Width, Height);
quadVertexObject = GL.GenBuffer();
GL.BindBuffer(BufferTarget.ArrayBuffer, quadVertexObject);
GL.BufferData(BufferTarget.ArrayBuffer, quad.Length * sizeof(float), quad, BufferUsageHint.StaticDraw);
quadArrayObject = GL.GenVertexArray();
GL.BindVertexArray(quadArrayObject);
GL.VertexAttribPointer(0, 2, VertexAttribPointerType.Float, false, 2 * sizeof(float), 0);
GL.EnableVertexAttribArray(0);
// set up post-proc material list
ppList = new List <Material>();
threshMat = new ThresholdMaterial();
ppList.Add(threshMat);
blurMat = new BlurMaterial();
ppList.Add(blurMat);
combineMat = new CombineMaterial();
ppList.Add(combineMat);
blitMat = new Material();
}
/// <summary>
/// Initializes a new instance of the <see cref="HighDynamicRangeEffect"/> class.
/// </summary>
public HighDynamicRangeEffect(GraphicsDevice graphics)
{
Material = toneMapping = new ToneMappingMaterial(graphics);
Passes.Add(new PostEffectChain(TextureUsage.Bloom,
new PostEffect()
{
Material = threshold = new ThresholdMaterial(graphics), RenderTargetScale = 0.5f, SurfaceFormat = SurfaceFormat.Color
},
blur = new BlurEffect(graphics),
new PostEffect()
{
Material = new ScaleMaterial(graphics), RenderTargetScale = 2.0f
}
));
Passes.Add(luminanceChain = new LuminanceChain(graphics));
}
/// <summary>
/// Initializes a new instance of the <see cref="BloomEffect"/> class.
/// </summary>
public BloomEffect(GraphicsDevice graphics)
{
Material = bloom = new BloomMaterial(graphics);
Passes.Add(new PostEffectChain());
Passes.Add(new PostEffectChain(TextureUsage.Bloom,
new PostEffect()
{
Material = threshold = new ThresholdMaterial(graphics), RenderTargetScale = 0.5f, SurfaceFormat = SurfaceFormat.Color
},
blur = new BlurEffect(graphics),
new PostEffect()
{
Material = new ScaleMaterial(graphics), RenderTargetScale = 2.0f
}
));
}
