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other/FrameworkShaders/FragShaderSrcMaskInvertedPremultipliedAlpha.frag

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+#version 120
+
+varying vec2 v_texCoord;
+varying vec4 v_clipPos;
+uniform sampler2D s_texture0;
+uniform sampler2D s_texture1;
+uniform vec4 u_channelFlag;
+uniform vec4 u_baseColor;
+uniform vec4 u_multiplyColor;
+uniform vec4 u_screenColor;
+
+void main()
+{
+    vec4 texColor = texture2D(s_texture0 , v_texCoord);
+    texColor.rgb = texColor.rgb * u_multiplyColor.rgb;
+    texColor.rgb = (texColor.rgb + u_screenColor.rgb * texColor.a) - (texColor.rgb * u_screenColor.rgb);
+    vec4 col_formask = texColor * u_baseColor;
+    vec4 clipMask = (1.0 - texture2D(s_texture1, v_clipPos.xy / v_clipPos.w)) * u_channelFlag;
+    float maskVal = clipMask.r + clipMask.g + clipMask.b + clipMask.a;
+    col_formask = col_formask * (1.0 - maskVal);
+    gl_FragColor = col_formask;
+}