read
glReadBuffer — selects the colour buffer for read operations on the bound framebuffer. Pair readBuffer(GL_NONE) with drawBuffers for depth-only framebuffers. Requires GLES3+ / WebGL2 / GL3+; no-op where unsupported.
glReadBuffer — selects the colour buffer for read operations on the bound framebuffer. Pair readBuffer(GL_NONE) with drawBuffers for depth-only framebuffers. Requires GLES3+ / WebGL2 / GL3+; no-op where unsupported.