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Question by MalikDrako · Nov 28, 2012 at 02:55 AM · texture alpha

Alpha-only texture?

Is it possible to import a texture with a single channel (alpha)? Several shaders use a second alpha channel, and it seems like a waste to store all 4 channels of a rgba texture if the only channel that will ever be used is alpha. Or do compressed textures make the extra 3 channels negligible when they are a solid color?

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