public PostProcessBuffer(int width, int height)
: base(width, height)
{
GLError.Begin();
// Bind the FBO
Bind();
// Create the textures
TextureParamPack texParams = new TextureParamPack(TextureMagFilter.Nearest, TextureMinFilter.Nearest, TextureWrapMode.ClampToEdge);
ColorTexture = new FramebufferTexture(width, height, texParams, FramebufferAttachment.ColorAttachment0,
PixelInternalFormat.Rgba16f, PixelFormat.Rgba, PixelType.HalfFloat);
// Create the depth buffer
depthBuffer = GL.GenRenderbuffer();
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, depthBuffer);
GL.RenderbufferStorage(RenderbufferTarget.Renderbuffer, RenderbufferStorage.DepthComponent24, Width, Height);
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachment,
RenderbufferTarget.Renderbuffer, depthBuffer);
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, 0);
// Set and enable the draw buffers
SetDrawBuffers(DrawBuffersEnum.ColorAttachment0);
EnableDrawBuffers();
// Check for errors
CheckForErrors();
// Unbind
Unbind();
ErrorCode err = GLError.End();
if (err != ErrorCode.NoError)
{
throw new Exception(string.Format("Failed to create PostProcessBuffer. OpenGL Error: {0}", err));
}
}
public TexRenderTarget(int width, int height)
: base(width, height)
{
// Bind the FBO
Bind();
// Create the textures
TextureParamPack texParams = new TextureParamPack(TextureMagFilter.Nearest, TextureMinFilter.Nearest, TextureWrapMode.ClampToEdge);
Texture = new FramebufferTexture(width, height, texParams, FramebufferAttachment.ColorAttachment0,
PixelInternalFormat.Rgba, PixelFormat.Rgba, PixelType.UnsignedByte);
// Set and enable the draw buffers
SetDrawBuffers(DrawBuffersEnum.ColorAttachment0);
EnableDrawBuffers();
// Check for errors
CheckForErrors();
// Unbind
Unbind();
}
