cocos-creator-template/assets/chunks/legacy/main-functions/outline-fs.chunk

precision highp float;
#include <builtin/uniforms/cc-global>
#include <legacy/output>

in vec2 v_uv;

uniform OutlineFrag {
  vec4 baseColor;
};

#if USE_BASE_COLOR_MAP
  uniform sampler2D baseColorMap;
#endif

vec4 frag () {
  vec4 color = baseColor * cc_mainLitColor;
  #if USE_BASE_COLOR_MAP
    vec4 texColor = texture(baseColorMap, v_uv);
    texColor.rgb = SRGBToLinear(texColor.rgb);
    color *= texColor;
  #endif

  return CCFragOutput(vec4(color.rgb, 1.0));
}