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Older drivers can lie w.r.t. GLSL-version if it's forced lower.

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... so don't use gl_PrimitiveID at all when in compatibility mode. This direct commit partly fixes github #6387 -- but see also the forthcoming PR in Uranium.
This commit is contained in:
Remco Burema 2019-09-21 14:58:59 +02:00
parent 87cc46454a
commit 9e64072b05
1 changed files with 0 additions and 4 deletions
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4
resources/shaders/overhang.shader
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@ -60,11 +60,7 @@ fragment =
highp float NdotR = clamp(dot(viewVector, reflectedLight), 0.0, 1.0);
finalColor += pow(NdotR, u_shininess) * u_specularColor;
#if __VERSION__ >= 150
finalColor = (u_faceId != gl_PrimitiveID) ? ((-normal.y > u_overhangAngle) ? u_overhangColor : finalColor) : u_faceColor;
#else
finalColor = (-normal.y > u_overhangAngle) ? u_overhangColor : finalColor;
#endif
gl_FragColor = finalColor;
gl_FragColor.a = 1.0;