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Update glstate.cpp

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Fixes the GL blend formula for Subtractive blending
This commit is contained in:
Jaiden 2021-09-19 09:07:21 -04:00 • committed by Ancurio
parent f138731f7c
commit cf6403ae65
1 changed files with 1 additions and 2 deletions
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3
src/glstate.cpp
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@ -84,10 +84,9 @@ void GLBlendMode::apply(const BlendType &value)
break;
case BlendSubstraction :
// FIXME Alpha calculation is untested
gl.BlendEquation(GL_FUNC_REVERSE_SUBTRACT);
gl.BlendFuncSeparate(GL_SRC_ALPHA, GL_ONE,
GL_ONE, GL_ONE);
GL_ZERO, GL_ONE);
break;
}
}