public void StartDrawMeshToImage(int width, int height)
{
//create texture
textureForDrawMesh = new OpenGLTexture();
textureForDrawMesh.LoadImage(new Rgba32[width * height], width, height);
//create frame buffer
GL.GenFramebuffers(1, frameBuffersForDrawMesh);
frameBufferForDrawMesh = frameBuffersForDrawMesh[0];
GL.BindFramebuffer(GL.GL_FRAMEBUFFER_EXT, frameBufferForDrawMesh);
GL.BindTexture(GL.GL_TEXTURE_2D, framebufferColorTexture);
GL.FramebufferTexture2D(GL.GL_FRAMEBUFFER_EXT, GL.GL_COLOR_ATTACHMENT0_EXT,
GL.GL_TEXTURE_2D, (uint) textureForDrawMesh.GetNativeTextureId(), 0);
if (GL.CheckFramebufferStatus(GL.GL_FRAMEBUFFER_EXT) != GL.GL_FRAMEBUFFER_COMPLETE_EXT)
{
throw new Exception("Framebuffer is not complete.");
}
}
