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23 lines
526 B
GLSL
23 lines
526 B
GLSL
#ifdef SAMSUNG_GOOGLE_NEXUS
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uniform sampler2D u_colorTex;
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#endif
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uniform float u_opacity;
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varying vec3 v_radius;
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varying vec4 v_color;
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const float kAntialiasingScalar = 0.9;
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void main()
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{
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float d = dot(v_radius.xy, v_radius.xy);
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vec4 finalColor = v_color;
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float aaRadius = v_radius.z * kAntialiasingScalar;
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float stepValue = smoothstep(aaRadius * aaRadius, v_radius.z * v_radius.z, d);
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finalColor.a = finalColor.a * u_opacity * (1.0 - stepValue);
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gl_FragColor = samsungGoogleNexusWorkaround(finalColor);
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}
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