uniform sampler2D colorTexture;
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uniform sampler2D silhouetteTexture;
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varying vec2 v_textureCoordinates;
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void main(void)
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{
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vec4 silhouetteColor = texture2D(silhouetteTexture, v_textureCoordinates);
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vec4 color = texture2D(colorTexture, v_textureCoordinates);
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gl_FragColor = mix(color, silhouetteColor, silhouetteColor.a);
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}
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