public void AllocateRenderTarget()
{
GL.GenFramebuffers(1, out m_frameBuffer);
GLWrapper.BindFramebuffer(m_frameBuffer);
GL.FramebufferTexture2D(All.Framebuffer, All.ColorAttachment0, All.Texture2D, m_texture, 0);
if (DepthFormat != 0)
{
GL.GenRenderbuffers(1, out m_depthBuffer);
GL.BindRenderbuffer(All.Renderbuffer, m_depthBuffer);
GL.RenderbufferStorage(All.Renderbuffer, GLWrapper.TranslateDepthFormat(DepthFormat), base.Width, base.Height);
GL.FramebufferRenderbuffer(All.Framebuffer, All.DepthAttachment, All.Renderbuffer, m_depthBuffer);
GL.FramebufferRenderbuffer(All.Framebuffer, All.StencilAttachment, All.Renderbuffer, 0);
}
else
{
GL.FramebufferRenderbuffer(All.Framebuffer, All.DepthAttachment, All.Renderbuffer, 0);
GL.FramebufferRenderbuffer(All.Framebuffer, All.StencilAttachment, All.Renderbuffer, 0);
}
FramebufferErrorCode framebufferErrorCode = (FramebufferErrorCode)GL.CheckFramebufferStatus(All.Framebuffer);
if (framebufferErrorCode != FramebufferErrorCode.FramebufferComplete)
{
throw new InvalidOperationException($"Error creating framebuffer ({framebufferErrorCode.ToString()}).");
}
}
public void GetData <T>(T[] target, int targetStartIndex, Rectangle sourceRectangle) where T : struct
{
VerifyParametersGetData(target, targetStartIndex, sourceRectangle);
GCHandle gCHandle = GCHandle.Alloc(target, GCHandleType.Pinned);
try
{
GLWrapper.BindFramebuffer(m_frameBuffer);
GL.ReadPixels(sourceRectangle.Left, sourceRectangle.Top, sourceRectangle.Width, sourceRectangle.Height, All.Rgba, All.UnsignedByte, gCHandle.AddrOfPinnedObject());
}
finally
{
gCHandle.Free();
}
}