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OpenGL Transparency

Graphics and GPU Programming Programming OpenGL

Started by SeanHowe April 29, 2000 12:34 PM

0 comments, last by SeanHowe 23 years, 11 months ago

SeanHowe

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April 29, 2000 12:34 PM

For some reason, when I try to use transparency as in glColor4f(..., ..., ..., 0.5), the primitives that are drawn next are still solid. Any ideas why that is? Here''s how I''m enabling it... glEnable(GL_ALPHA_TEST); glAlphaFunc(GL_ALWAYS, 0);

-------------------------------NeXe: NeHe DirectX-style. Follow the orange rabbit.

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126

April 29, 2000 01:22 PM

The Alpha test tests each fragment if it''s accepted or not. But if you want to blend two colors, you must use glBlendFunc()

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