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Change normal bias for entities to avoid shadow acne

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This commit is contained in:
Dmitry Kostenko 2022-02-14 09:00:55 +01:00 • committed by x2048
parent 12896b22d8
commit 25c1974e0d
2 changed files with 12 additions and 11 deletions
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10
client/shaders/object_shader/opengl_fragment.glsl
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@ -56,12 +56,6 @@ vec4 getPerspectiveFactor(in vec4 shadowPosition)
return shadowPosition;
}
// assuming near is always 1.0
float getLinearDepth()
{
return 2.0 * f_shadowfar / (f_shadowfar + 1.0 - (2.0 * gl_FragCoord.z - 1.0) * (f_shadowfar - 1.0));
}
vec3 getLightSpacePosition()
{
vec4 pLightSpace;
@ -69,8 +63,7 @@ vec3 getLightSpacePosition()
#if DRAW_TYPE == NDT_PLANTLIKE
pLightSpace = m_ShadowViewProj * vec4(worldPosition, 1.0);
#else
float offsetScale = (0.0057 * getLinearDepth() + normalOffsetScale);
pLightSpace = m_ShadowViewProj * vec4(worldPosition + offsetScale * normalize(vNormal), 1.0);
pLightSpace = m_ShadowViewProj * vec4(worldPosition + normalOffsetScale * normalize(vNormal), 1.0);
#endif
pLightSpace = getPerspectiveFactor(pLightSpace);
return pLightSpace.xyz * 0.5 + 0.5;
@ -544,6 +537,5 @@ void main(void)
float clarity = clamp(fogShadingParameter
- fogShadingParameter * length(eyeVec) / fogDistance, 0.0, 1.0);
col = mix(skyBgColor, col, clarity);
gl_FragColor = vec4(col.rgb, base.a);
}