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OpenGL ES Framebuffer switching vs textures, shaders bound + GI questions

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Im making omnidirectional shadowmapping i encountered few issues that i am not aware of, that is:

Whenever i bind program (shader) and switch between framebuffer is.this shader still in use or do i have to bind it again?

Same goes for textures if i bind them in one framebuffer do they stay bound and i can use them in another framebufder or do i have to bind them again after switchig framebuffers? ( I know i could test that, but im writing new lighting model and for now im just coding)

 

 

Another question is how would i store …


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