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Alpha Test
The alpha test (performed only in RGBA mode) discards a fragment, depending on the outcome of a comparison between the fragment's alpha value and a constant reference value. You specify the comparison function and reference value with glAlphaFunc.
57ac6542-5bfb-4e3e-9ee0-aa35218e41a9
OpenGL processing pipeline,alpha test
alpha test OpenGL
article
05/31/2018

Alpha Test

The alpha test (performed only in RGBA mode) discards a fragment, depending on the outcome of a comparison between the fragment's alpha value and a constant reference value. You specify the comparison function and reference value with glAlphaFunc.