Copy framebuffer data from one WebGLRenderingContext to another?
问题 Please refer to the background section below if the following does not make much sense, I omitted most of the context as to make the problem as clear as possible. I have two WebGLRenderingContexts with the following traits: WebGLRenderingContext: InputGL (Allows read and write operations on its framebuffers.) WebGLRenderingContext: OutputGL (Allows only write operations on its framebuffers.) GOAL : Superimpose InputGL's renders onto OutputGL's renders periodically within 33ms (30fps) on