private Framebuffer CreateFramebuffer(int width, int height)
{
var texture = new Texture(TextureTarget.Texture2D,
new NullImageFiller(width, height, GL.GL_RGBA, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE),
new SamplerParameters(
TextureWrapping.Repeat,
TextureWrapping.Repeat,
TextureWrapping.Repeat,
TextureFilter.Linear,
TextureFilter.Linear));
texture.Initialize();
this.BindingTexture = texture;
Renderbuffer colorBuffer = Renderbuffer.CreateColorbuffer(width, height, GL.GL_RGBA);
Renderbuffer depthBuffer = Renderbuffer.CreateDepthbuffer(width, height, DepthComponentType.DepthComponent24);
var framebuffer = new Framebuffer();
framebuffer.Bind();
framebuffer.Attach(colorBuffer); //0
framebuffer.Attach(texture); //1
framebuffer.Attach(depthBuffer); // special
framebuffer.SetDrawBuffers(GL.GL_COLOR_ATTACHMENT0 + 1); // as in 1 in framebuffer.Attach(texture);//1
framebuffer.CheckCompleteness();
framebuffer.Unbind();
return(framebuffer);
}
private Framebuffer CreateFramebuffer(int width, int height)
{
var framebuffer = new Framebuffer(width, height);
framebuffer.Bind();
{
var texture = new Texture(new TexImageBitmap(width, height),
new TexParameteri(TexParameter.PropertyName.TextureWrapS, (int)GL.GL_REPEAT),
new TexParameteri(TexParameter.PropertyName.TextureWrapT, (int)GL.GL_REPEAT),
new TexParameteri(TexParameter.PropertyName.TextureWrapR, (int)GL.GL_REPEAT),
new TexParameteri(TexParameter.PropertyName.TextureMinFilter, (int)GL.GL_LINEAR),
new TexParameteri(TexParameter.PropertyName.TextureMagFilter, (int)GL.GL_LINEAR));
texture.Initialize();
framebuffer.Attach(FramebufferTarget.Framebuffer, texture, 0u);// 1
this.BindingTexture = texture;
}
{
var renderbuffer = new Renderbuffer(width, height, GL.GL_DEPTH_COMPONENT24);
framebuffer.Attach(FramebufferTarget.Framebuffer, renderbuffer, AttachmentLocation.Depth);// special
}
//framebuffer.SetDrawBuffer(GL.GL_COLOR_ATTACHMENT0 + 1);// as in 1 in framebuffer.Attach(FramebufferTarget.Framebuffer, texture, 1u);// 1
framebuffer.CheckCompleteness();
framebuffer.Unbind();
return(framebuffer);
}
private Framebuffer CreatePickFramebuffer(int width, int height)
{
var framebuffer = new Framebuffer(width, height);
framebuffer.Bind();
framebuffer.Attach(RenderbufferType.ColorBuffer);
framebuffer.Attach(RenderbufferType.DepthBuffer);
framebuffer.CheckCompleteness();
framebuffer.Unbind();
return(framebuffer);
}
private Framebuffer CreatePickFramebuffer(int width, int height)
{
Renderbuffer colorBuffer = Renderbuffer.CreateColorbuffer(width, height, GL.GL_RGBA);
Renderbuffer depthBuffer = Renderbuffer.CreateDepthbuffer(width, height, DepthComponentType.DepthComponent24);
var framebuffer = new Framebuffer();
framebuffer.Bind();
framebuffer.Attach(colorBuffer);
framebuffer.Attach(depthBuffer);
framebuffer.CheckCompleteness();
framebuffer.Unbind();
return(framebuffer);
}
private Framebuffer CreateFramebuffer(int width, int height)
{
//Renderbuffer colorBuffer = Renderbuffer.CreateColorbuffer(width, height, GL.GL_RGBA);
//Renderbuffer depthBuffer = Renderbuffer.CreateDepthbuffer(width, height, DepthComponentType.DepthComponent24);
var framebuffer = new Framebuffer(width, height);
framebuffer.Bind();
//framebuffer.Attach(colorBuffer);//0
//this.BindingTexture = framebuffer.Attach(TextureAttachment.DepthAttachment);//1
var texture = new Texture(new TexImage2D(TexImage2D.Target.Texture2D, GL.GL_DEPTH_COMPONENT32, width, height, GL.GL_DEPTH_COMPONENT, GL.GL_FLOAT),
// 设置默认滤波模式
new TexParameteri(TexParameter.PropertyName.TextureMinFilter, (int)GL.GL_LINEAR),
new TexParameteri(TexParameter.PropertyName.TextureMagFilter, (int)GL.GL_LINEAR),
// 设置深度比较模式
new TexParameteri(TexParameter.PropertyName.TextureCompareMode, (int)GL.GL_COMPARE_REF_TO_TEXTURE),
new TexParameteri(TexParameter.PropertyName.TextureCompareFunc, (int)GL.GL_LEQUAL),
// 设置边界截取模式
new TexParameteri(TexParameter.PropertyName.TextureWrapS, (int)GL.GL_CLAMP_TO_EDGE),
new TexParameteri(TexParameter.PropertyName.TextureWrapT, (int)GL.GL_CLAMP_TO_EDGE));
texture.Initialize();
framebuffer.Attach(FramebufferTarget.Framebuffer, texture, AttachmentLocation.Depth);
this.BindingTexture = texture;
//framebuffer.Attach(depthBuffer);// special
//framebuffer.SetDrawBuffers(GL.GL_COLOR_ATTACHMENT0 + 1);// as in 1 in framebuffer.Attach(texture);//1
//framebuffer.SetDrawBuffers(GL.GL_NONE);
framebuffer.SetDrawBuffer(GL.GL_NONE);
//framebuffer.SetReadBuffer(GL.GL_NONE);
this.BindingTexture.Bind();
framebuffer.CheckCompleteness();
this.BindingTexture.Unbind();
framebuffer.Unbind();
return(framebuffer);
}
private Framebuffer CreateFramebuffer(int width, int height)
{
var framebuffer = new Framebuffer(width, height);
framebuffer.Bind();
Renderbuffer colorbuffer = framebuffer.Attach(RenderbufferType.ColorBuffer); //0
Texture texture = framebuffer.Attach(TextureAttachment.ColorAttachment); //1
Renderbuffer depthbuffer = framebuffer.Attach(RenderbufferType.DepthBuffer); // special
framebuffer.SetDrawBuffer(GL.GL_COLOR_ATTACHMENT0 + 1); // as in 1 in framebuffer.Attach(TextureAttachment.ColorAttachment);//1
framebuffer.CheckCompleteness();
framebuffer.Unbind();
this.BindingTexture = texture;
return(framebuffer);
}
private static Framebuffer CreateFramebuffer(int width, int height)
{
var framebuffer = new Framebuffer(width, height);
framebuffer.Bind();
{
var renderbuffer = new Renderbuffer(width, height, GL.GL_RGBA, RenderbufferType.ColorBuffer);
framebuffer.Attach(FramebufferTarget.Framebuffer, renderbuffer, 0u);// 0
}
{
var renderbuffer = new Renderbuffer(width, height, GL.GL_DEPTH_COMPONENT24, RenderbufferType.DepthBuffer);
framebuffer.Attach(FramebufferTarget.Framebuffer, renderbuffer, AttachmentLocation.Depth);// special
}
framebuffer.CheckCompleteness();
framebuffer.Unbind();
return framebuffer;
}
private Framebuffer CreatePickFramebuffer(int width, int height)
{
var framebuffer = new Framebuffer(width, height);
framebuffer.Bind();
{
var renderbuffer = new Renderbuffer(width, height, GL.GL_RGBA);
// attach the renderbufer as first color buffer attachment.
const uint colorAttachmentLocation = 0;
framebuffer.Attach(FramebufferTarget.Framebuffer, renderbuffer, colorAttachmentLocation);
}
{
var renderbuffer = new Renderbuffer(width, height, GL.GL_DEPTH_COMPONENT24);
framebuffer.Attach(FramebufferTarget.Framebuffer, renderbuffer, AttachmentLocation.Depth);// special
}
framebuffer.CheckCompleteness();
framebuffer.Unbind();
return(framebuffer);
}
private static Framebuffer CreateFramebuffer(int width, int height, ContextGenerationParams parameters)
{
var framebuffer = new Framebuffer(width, height);
framebuffer.Bind();
{
var renderbuffer = new Renderbuffer(width, height, GL.GL_RGBA);
uint colorAttachmentLocation = 0;
framebuffer.Attach(FramebufferTarget.Framebuffer, renderbuffer, colorAttachmentLocation);// 0
}
{
var renderbuffer = new Renderbuffer(width, height, GL.GL_DEPTH_COMPONENT24);
framebuffer.Attach(FramebufferTarget.Framebuffer, renderbuffer, AttachmentLocation.Depth);// special
}
if (parameters.StencilBits > 0)
{
var renderbuffer = new Renderbuffer(width, height, GL.GL_STENCIL_INDEX8);
framebuffer.Attach(FramebufferTarget.Framebuffer, renderbuffer, AttachmentLocation.Stencil);
}
framebuffer.CheckCompleteness();
framebuffer.Unbind();
return(framebuffer);
}
private Framebuffer CreateFramebuffer(int width, int height)
{
//Renderbuffer colorBuffer = Renderbuffer.CreateColorbuffer(width, height, GL.GL_RGBA);
//Renderbuffer depthBuffer = Renderbuffer.CreateDepthbuffer(width, height, DepthComponentType.DepthComponent24);
var framebuffer = new Framebuffer(width, height);
framebuffer.Bind();
//framebuffer.Attach(colorBuffer);//0
this.BindingTexture = framebuffer.Attach(TextureAttachment.DepthAttachment);//1
//framebuffer.Attach(depthBuffer);// special
//framebuffer.SetDrawBuffers(GL.GL_COLOR_ATTACHMENT0 + 1);// as in 1 in framebuffer.Attach(texture);//1
//framebuffer.SetDrawBuffers(GL.GL_NONE);
framebuffer.SetDrawBuffer(GL.GL_NONE);
//framebuffer.SetReadBuffer(GL.GL_NONE);
this.BindingTexture.Bind();
framebuffer.CheckCompleteness();
this.BindingTexture.Unbind();
framebuffer.Unbind();
return(framebuffer);
}
private static Framebuffer CreateFramebuffer(int width, int height)
{
Renderbuffer colorBuffer = Renderbuffer.CreateColorbuffer(width, height, OpenGL.GL_RGBA);
Renderbuffer depthBuffer = Renderbuffer.CreateDepthbuffer(width, height, DepthComponentType.DepthComponent24);
var framebuffer = new Framebuffer();
framebuffer.Bind();
framebuffer.Attach(colorBuffer);
framebuffer.Attach(depthBuffer);
framebuffer.CheckCompleteness();
return framebuffer;
}
