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Diffstat (limited to 'src/renderergl2/glsl/generic_vp.glsl')
-rw-r--r--src/renderergl2/glsl/generic_vp.glsl15
1 files changed, 6 insertions, 9 deletions
diff --git a/src/renderergl2/glsl/generic_vp.glsl b/src/renderergl2/glsl/generic_vp.glsl
index 67360b1b..9ad4489b 100644
--- a/src/renderergl2/glsl/generic_vp.glsl
+++ b/src/renderergl2/glsl/generic_vp.glsl
@@ -194,16 +194,13 @@ float CalcFog(vec4 position)
float s = dot(position, u_FogDistance) * 8.0;
float t = dot(position, u_FogDepth);
- if (t < 1.0)
- {
- t = step(step(0.0, -u_FogEyeT), t);
- }
- else
- {
- t /= t - min(u_FogEyeT, 0.0);
- }
+ bool eyeOutside = u_FogEyeT < 0.0;
+ float t2 = float(t >= float(eyeOutside));
+
+ if (eyeOutside)
+ t2 *= t / (t - u_FogEyeT);
- return s * t;
+ return s * t2;
}
#endif