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other/FrameworkShaders/FragShaderSrcPremultipliedAlpha.frag

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+#version 120
+
+varying vec2 v_texCoord; //v2f.texcoord
+uniform sampler2D s_texture0; //_MainTex
+uniform vec4 u_baseColor; //v2f.color
+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);
+    gl_FragColor = texColor * u_baseColor;
+}