CocosCreator-Shader-Effect-Demo/assets/effects/sprite-outline.effect.meta

{
  "ver": "1.0.25",
  "uuid": "559dcd1e-233b-4e1f-b1da-733c9232f06f",
  "compiledShaders": [
    {
      "glsl1": {
        "vert": "\nprecision highp float;\nuniform mediump mat4 cc_matViewProj;\nuniform mat4 cc_matWorld;\nattribute vec3 a_position;\nattribute vec4 a_color;\nvarying vec4 v_color;\n#if USE_TEXTURE\nattribute vec2 a_uv0;\nvarying vec2 v_uv0;\n#endif\nvoid main () {\n  vec4 pos = vec4(a_position, 1);\n  #if CC_USE_MODEL\n  pos = cc_matViewProj * cc_matWorld * pos;\n  #else\n  pos = cc_matViewProj * pos;\n  #endif\n  #if USE_TEXTURE\n  v_uv0 = a_uv0;\n  #endif\n  v_color = a_color;\n  gl_Position = pos;\n}",
        "frag": "\nprecision highp float;\n#if USE_ALPHA_TEST\n  uniform float alphaThreshold;\n#endif\nvoid ALPHA_TEST (in vec4 color) {\n  #if USE_ALPHA_TEST\n      if (color.a < alphaThreshold) discard;\n  #endif\n}\nvoid ALPHA_TEST (in float alpha) {\n  #if USE_ALPHA_TEST\n      if (alpha < alphaThreshold) discard;\n  #endif\n}\nvarying vec4 v_color;\n#if USE_TEXTURE\nvarying vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n#if SHOW_OUT_LINE\nuniform vec4 outlineColor;\nuniform float outlineWidth;\nfloat getBgAlpha() {\n  vec4 color_up = texture2D(texture, v_uv0 + vec2(0, outlineWidth));\n  vec4 color_down = texture2D(texture, v_uv0 - vec2(0, outlineWidth));\n  vec4 color_left = texture2D(texture, v_uv0 - vec2(outlineWidth, 0));\n  vec4 color_right = texture2D(texture, v_uv0 + vec2(outlineWidth, 0));\n  vec4 color_up_left = texture2D(texture, v_uv0 + vec2(outlineWidth, -outlineWidth));\n  vec4 color_up_right = texture2D(texture, v_uv0 + vec2(outlineWidth, outlineWidth));\n  vec4 color_down_left = texture2D(texture, v_uv0 + vec2(-outlineWidth, -outlineWidth));\n  vec4 color_down_right = texture2D(texture, v_uv0 + vec2(-outlineWidth, outlineWidth));\n  float total = color_right.a + color_left.a + color_down.a + color_up.a + color_up_left.a + color_up_right.a + color_down_left.a + color_down_right.a;\n  return clamp(total, 0.0, 1.0);\n}\n#endif\nvoid main () {\n  vec4 o = vec4(1, 1, 1, 1);\n  #if USE_TEXTURE\n  o *= texture2D(texture, v_uv0);\n    #if CC_USE_ALPHA_ATLAS_TEXTURE\n    o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n    #endif\n  #endif\n  o *= v_color;\n  ALPHA_TEST(o);\n  gl_FragColor = o;\n  #if SHOW_OUT_LINE\n    if (outlineWidth == 0.0) {\n      return;\n    }\n    vec4 color_dest = outlineColor * getBgAlpha();\n    vec4 color_src = o;\n    gl_FragColor = color_src * color_src.a + color_dest * (1.0 - color_src.a);\n  #endif\n}"
      },
      "glsl3": {
        "vert": "\nprecision highp float;\nuniform CCGlobal {\n  highp   vec4 cc_time;\n  mediump vec4 cc_screenSize;\n  mediump vec4 cc_screenScale;\n  mediump vec4 cc_nativeSize;\n  highp   mat4 cc_matView;\n  mediump mat4 cc_matViewInv;\n  mediump mat4 cc_matProj;\n  mediump mat4 cc_matProjInv;\n  mediump mat4 cc_matViewProj;\n  mediump mat4 cc_matViewProjInv;\n  mediump vec4 cc_cameraPos;\n};\nuniform CCLocal {\n  mat4 cc_matWorld;\n  mat4 cc_matWorldIT;\n};\nin vec3 a_position;\nin vec4 a_color;\nout vec4 v_color;\n#if USE_TEXTURE\nin vec2 a_uv0;\nout vec2 v_uv0;\n#endif\nvoid main () {\n  vec4 pos = vec4(a_position, 1);\n  #if CC_USE_MODEL\n  pos = cc_matViewProj * cc_matWorld * pos;\n  #else\n  pos = cc_matViewProj * pos;\n  #endif\n  #if USE_TEXTURE\n  v_uv0 = a_uv0;\n  #endif\n  v_color = a_color;\n  gl_Position = pos;\n}",
        "frag": "\nprecision highp float;\n#if USE_ALPHA_TEST\n  uniform ALPHA_TEST {\n    float alphaThreshold;\n  };\n#endif\nvoid ALPHA_TEST (in vec4 color) {\n  #if USE_ALPHA_TEST\n      if (color.a < alphaThreshold) discard;\n  #endif\n}\nvoid ALPHA_TEST (in float alpha) {\n  #if USE_ALPHA_TEST\n      if (alpha < alphaThreshold) discard;\n  #endif\n}\nin vec4 v_color;\n#if USE_TEXTURE\nin vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n#if SHOW_OUT_LINE\nuniform Outline {\n  vec4 outlineColor;\n  float outlineWidth;\n};\nfloat getBgAlpha() {\n  vec4 color_up = texture(texture, v_uv0 + vec2(0, outlineWidth));\n  vec4 color_down = texture(texture, v_uv0 - vec2(0, outlineWidth));\n  vec4 color_left = texture(texture, v_uv0 - vec2(outlineWidth, 0));\n  vec4 color_right = texture(texture, v_uv0 + vec2(outlineWidth, 0));\n  vec4 color_up_left = texture(texture, v_uv0 + vec2(outlineWidth, -outlineWidth));\n  vec4 color_up_right = texture(texture, v_uv0 + vec2(outlineWidth, outlineWidth));\n  vec4 color_down_left = texture(texture, v_uv0 + vec2(-outlineWidth, -outlineWidth));\n  vec4 color_down_right = texture(texture, v_uv0 + vec2(-outlineWidth, outlineWidth));\n  float total = color_right.a + color_left.a + color_down.a + color_up.a + color_up_left.a + color_up_right.a + color_down_left.a + color_down_right.a;\n  return clamp(total, 0.0, 1.0);\n}\n#endif\nvoid main () {\n  vec4 o = vec4(1, 1, 1, 1);\n  #if USE_TEXTURE\n  o *= texture(texture, v_uv0);\n    #if CC_USE_ALPHA_ATLAS_TEXTURE\n    o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n    #endif\n  #endif\n  o *= v_color;\n  ALPHA_TEST(o);\n  gl_FragColor = o;\n  #if SHOW_OUT_LINE\n    if (outlineWidth == 0.0) {\n      return;\n    }\n    vec4 color_dest = outlineColor * getBgAlpha();\n    vec4 color_src = o;\n    gl_FragColor = color_src * color_src.a + color_dest * (1.0 - color_src.a);\n  #endif\n}"
      }
    }
  ],
  "subMetas": {}
}