private void Build(int width, int height, bool mipMap,
RSurfaceFormat preferredFormat, RDepthFormat preferredDepthFormat, int preferredMultiSampleCount, bool shared)
{
var depth = 0;
var stencil = 0;
BackBuffer = new RTexture2D();
BackBuffer.Create(width, height, RPixelFormat.Rgba, preferredFormat);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, TextureTarget.Texture2D, BackBuffer.Id, 0);
if (preferredDepthFormat != RDepthFormat.None)
{
DepthBuffer = new RTexture2D();
if (preferredDepthFormat == RDepthFormat.Depth24Stencil8 || preferredDepthFormat == RDepthFormat.Depth32Stencil8)
{
DepthBuffer.CreateDepth(width, height, RPixelFormat.DepthStencil, preferredDepthFormat);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthStencilAttachment, TextureTarget.Texture2D, DepthBuffer.Id, 0);
}
else
{
DepthBuffer.CreateDepth(width, height, RPixelFormat.DepthComponent, preferredDepthFormat);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachment, TextureTarget.Texture2D, DepthBuffer.Id, 0);
}
REngine.CheckGLError();
}
if (GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer) != FramebufferErrorCode.FramebufferComplete)
{
throw new Exception("Error creating frame buffer: framebuffer is not complete");
}
}
