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56 lines
1.3 KiB
GLSL
56 lines
1.3 KiB
GLSL
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void main()
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{
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#ifdef NO_CLIPDISTANCE_SUPPORT
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if (ClipDistanceA.x < 0 || ClipDistanceA.y < 0 || ClipDistanceA.z < 0 || ClipDistanceA.w < 0 || ClipDistanceB.x < 0) discard;
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#endif
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Material material = CreateMaterial();
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vec4 frag = material.Base;
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#ifndef NO_ALPHATEST
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if (frag.a <= uAlphaThreshold) discard;
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#endif
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#ifdef SIMPLE2D // uses the fog color to add a color overlay
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#ifdef TM_FOGLAYER
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float gray = grayscale(frag);
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vec4 cm = (uObjectColor + gray * (uAddColor - uObjectColor)) * 2;
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frag = vec4(clamp(cm.rgb, 0.0, 1.0), frag.a);
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frag *= vColor;
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frag.rgb = frag.rgb + uFogColor.rgb;
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#else
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frag *= vColor;
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frag.rgb = frag.rgb + uFogColor.rgb;
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#endif
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#else
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#ifdef TM_FOGLAYER
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float fogdist = 0.0;
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float fogfactor = 0.0;
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// calculate fog factor
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if (uFogEnabled != 0)
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{
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if (uFogEnabled == 1 || uFogEnabled == -1)
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{
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fogdist = max(16.0, pixelpos.w);
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}
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else
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{
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fogdist = max(16.0, distance(pixelpos.xyz, uCameraPos.xyz));
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}
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fogfactor = exp2 (uFogDensity * fogdist);
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}
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frag = vec4(uFogColor.rgb, (1.0 - fogfactor) * frag.a * 0.75 * vColor.a);
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#else
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frag = getLightColor(material);
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#endif
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#endif
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FragColor = frag;
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#ifdef GBUFFER_PASS
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FragFog = vec4(AmbientOcclusionColor(), 1.0);
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FragNormal = vec4(vEyeNormal.xyz * 0.5 + 0.5, 1.0);
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#endif
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}
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