Mathias Agopian
df6a100fcb
The main change here is that for screen-space reflections, the lod calculation takes the camera distance into account. We also now correctly take into account that we blur each lod successively which increases the standard deviation by 10%. This applies to both refraction and reflection.
24 lines
814 B
GLSL
24 lines
814 B
GLSL
/*
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* screen-space reflection shading
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*/
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vec4 evaluateMaterial(const MaterialInputs material) {
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#if defined(MATERIAL_HAS_REFLECTIONS)
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PixelParams pixel;
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getAnisotropyPixelParams(material, pixel);
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vec4 color = vec4(0.0);
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if (frameUniforms.ssrDistance > 0.0) {
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vec3 r = getReflectedVector(pixel, shading_view, shading_normal);
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// evaluateScreenSpaceReflections will set the value of color if there's a hit.
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// color.a contains the reflection's contribution.
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color = evaluateScreenSpaceReflections(r);
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}
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#else
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// objects without reflections just erase the framebuffer, they need to be drawn in the
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// reflection buffer because they could be partially occluding other objects with reflections.
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const vec4 color = vec4(0.0);
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#endif
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return color;
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}
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