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Position Reconstruction from Depth by inverting Perspective Projection
I had some trouble reconstructing position from depth sampled from the depth buffer. I use the equivalent of gluPerspective in GLM. The code in GLM is:
template
GLM_FUNC_QUALIFIER detail::tmat4x4 ...
3
votes
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The Depth buffer and Perspective
I'm having trouble understanding the behaviour of my OpenGL program; and in drawing my Z-Buffer out to the screen.
It will probably be best to just start with code, here is my GLSL shader:
in vec3 ...
