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3
votes
0answers
493 views

AlphaToCoverage + Alpha Blending = Artifacts

I'm experiencing a strange problem using OpenGL SampleAlphaToCoverage mode. There are rendering artifacts when using alpha-blending on pixels that have been rendered using alpha-to-coverage - and I ...
1
vote
0answers
95 views

How to setup a particular blend state where the alpha channel is additive?

I would like to set a blend state to be "additive" and do the following: Result.R = Source.R + Destination.R; Result.G = Source.G + Destination.G; Result.B = Source.B + Destination.B; Result.A = ...
1
vote
0answers
107 views

How to put OpenGL in a state for drawing blended, colored, nontextured polys?

Using OpenGL1.1 (sadly) I'm trying to draw a cube, which is colored and alpha blended. It is instead showing up as opaque black. Even without including alpha in the color it still shows up as opaque ...