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erikccoder/gl_fbo_alpha_drawing

Last active August 29, 2015 14:03
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OpenGL accumulate alpha drawing in FBO
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gl_fbo_alpha_drawing
glEnable(GL_BLEND);
//glBlendFuncSeparate(GL_ONE, GL_SRC_COLOR, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
glBlendFuncSeparate(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA,GL_ONE,GL_ONE_MINUS_SRC_ALPHA);
//draw
glDisable(GL_BLEND);
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