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- #if defined(dColorType_uniform)
- vec4 material = vec4(uColor, uAlpha);
- #elif defined(dColorType_attribute) || defined(dColorType_instance) || defined(dColorType_group) || defined(dColorType_groupInstance)
- vec4 material = vec4(vColor.rgb, uAlpha);
- #elif defined(dColorType_objectPicking) || defined(dColorType_instancePicking) || defined(dColorType_groupPicking)
- vec4 material = uPickable == 1 ? vColor : vec4(0.0, 0.0, 0.0, 1.0); // set to empty picking id
- #endif
- // mix material with overpaint
- #if defined(dOverpaint) && (defined(dColorType_uniform) || defined(dColorType_attribute) || defined(dColorType_instance) || defined(dColorType_group) || defined(dColorType_groupInstance))
- material.rgb = mix(material.rgb, vOverpaint.rgb, vOverpaint.a);
- #endif
- // apply screendoor transparency
- #if defined(dTransparency) && (defined(dColorType_uniform) || defined(dColorType_attribute) || defined(dColorType_instance) || defined(dColorType_group) || defined(dColorType_groupInstance))
- float ta = 1.0 - vTransparency;
- float at = 0.0;
- #if defined(dTransparencyVariant_single)
- const mat4 thresholdMatrix = mat4(
- 1.0 / 17.0, 9.0 / 17.0, 3.0 / 17.0, 11.0 / 17.0,
- 13.0 / 17.0, 5.0 / 17.0, 15.0 / 17.0, 7.0 / 17.0,
- 4.0 / 17.0, 12.0 / 17.0, 2.0 / 17.0, 10.0 / 17.0,
- 16.0 / 17.0, 8.0 / 17.0, 14.0 / 17.0, 6.0 / 17.0
- );
- at = thresholdMatrix[int(intMod(gl_FragCoord.x, 4.0))][int(intMod(gl_FragCoord.y, 4.0))];
- #elif defined(dTransparencyVariant_multi)
- at = fract(dot(vec3(gl_FragCoord.xy, vGroup + 0.5), vec3(2.0, 7.0, 23.0) / 17.0f));
- #endif
- if (ta < 0.99 && (ta < 0.01 || ta < at)) discard;
- #endif
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