public static FrameBuffer Create(int width, int height, IGraphicsContext context)
{
int textureHandle = context.GenTexture();
context.BindTexture(TextureTarget.Texture2D, textureHandle);
context.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureBaseLevel, 0);
context.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMaxLevel, 0);
context.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
context.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
context.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, width, height, false, PixelFormat.Bgra, PixelType.UnsignedByte, (IntPtr)null);
var texture = new Texture2D(context, textureHandle, width, height);
int handle;
context.GenFrameBuffers(1, out handle);
context.BindFrameBuffer(FramebufferTarget.Framebuffer, handle);
context.FrameBufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, TextureTarget.Texture2D, textureHandle, 0);
context.BindFrameBuffer(FramebufferTarget.Framebuffer, 0);
return(new FrameBuffer(handle, texture));
}
public static FrameBuffer Create(int width, int height, IGraphicsContext context)
{
int textureHandle = context.GenTexture();
context.BindTexture(TextureTarget.Texture2D, textureHandle);
context.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureBaseLevel, 0);
context.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMaxLevel, 0);
context.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
context.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
context.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, width, height, false, PixelFormat.Bgra, PixelType.UnsignedByte, (IntPtr)null);
var texture = new Texture2D(context, textureHandle, width, height);
int handle;
context.GenFrameBuffers(1, out handle);
context.BindFrameBuffer(FramebufferTarget.Framebuffer, handle);
context.FrameBufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, TextureTarget.Texture2D, textureHandle, 0);
context.BindFrameBuffer(FramebufferTarget.Framebuffer, 0);
return new FrameBuffer(handle, texture);
}
public void FrameBufferTexture2D(FramebufferTarget framebufferTarget, FramebufferAttachment framebufferAttachment, TextureTarget textureTarget, int textureHandle, int level)
{
forwarding.FrameBufferTexture2D(framebufferTarget, framebufferAttachment, textureTarget, textureHandle, level);
CheckGLError();
}
