// Copyright (c) 2017-2023 Xiamen Yaji Software Co., Ltd.

CCEffect %{
techniques:
  - passes:
      - vert: copy-pass-vs
        frag: copy-pass-fs
        pass: copy-pass
        depthStencilState:
          depthTest: false
          depthWrite: false
        rasterizerState:
          cullMode: none
        blendState:
          targets:
            - blend: true
              blendSrc: src_alpha
              blendDst: one_minus_src_alpha
              blendSrcAlpha: src_alpha
              blendDstAlpha: one_minus_src_alpha

}%

CCProgram ubo %{
#pragma rate CopyPassUBO pass
uniform CopyPassUBO {
  float flip;
};
#pragma rate outputResultMap pass
uniform sampler2D outputResultMap;
}%

CCProgram copy-pass-vs %{
precision highp float;

#include <legacy/decode-standard>
#include <common/common-define>
#include <ubo>
out vec2 v_uv;

void main() {
  StandardVertInput In;
  CCDecode(In);
  CC_HANDLE_CLIP_FLIP_FROM_VAL(In.position.xy, flip);
  gl_Position = In.position;
  v_uv = a_texCoord;
}
}%

CCProgram copy-pass-fs %{
precision highp float;
in vec2 v_uv;
#include <ubo>

layout(location = 0)out vec4 fragColor;

void main() {
  fragColor = texture(outputResultMap, v_uv);
}
}%