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glReadPixels and integer texture FBO

Question asked by purpledog on Dec 18, 2013



I am having a hard time retrieving on the CPU the content of an integer texture attached to an FBO using glReadPixels. Is such thing possible at all ?


The workflow is as follow:

1- render to integer texture

2- glBindFramebufferEXT(GL_READ_FRAMEBUFFER, id);

3- glReadPixels(..., pt);

4- glBindFramebufferEXT(GL_READ_FRAMEBUFFER, 0);