cocos-creator-template/assets/effects/pipeline/post-process/fxaa-hq.effect

// Copyright (c) 2017-2020 Xiamen Yaji Software Co., Ltd.
CCEffect %{
  techniques:
  - name: fxaa
    passes:
    - vert: fxaa-vs
      frag: fxaa-edge-fs:frag
      pass: fxaa
      depthStencilState:
        depthTest: false
        depthWrite: false
      rasterizerState:
        cullMode: none
}%

CCProgram fxaa-vs %{
  #include <./chunks/vs>
}%

CCProgram fxaa-edge-fs %{
  precision highp float;
  precision mediump int;
  #include <builtin/uniforms/cc-global>
  #include <common/common-define>

  //#define FXAA_PRESET 5
  #include <post-process/fxaa-hq>

  uniform fxaaUBO {
    vec4 texSize;
  };

  in vec2 v_uv;
  #pragma rate sceneColorMap pass
  uniform sampler2D sceneColorMap;

  vec4 frag () {
    vec3 color = FxaaPixelShader(v_uv, sceneColorMap, texSize.zw);
    float alpha = texture(sceneColorMap, v_uv).a;
    return vec4(color, alpha);
  }
}%

CCProgram copy-fs %{
  precision highp float;
  precision mediump int;
  uniform fxaaUBO {
    vec4 texSize;
  };

  in vec2 v_uv;
  #pragma rate sceneColorMap pass
  uniform sampler2D sceneColorMap;

  vec4 frag () {
    return texture(sceneColorMap, v_uv);
  }
}%