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<?xml version="1.0" encoding="UTF-8" ?>
<Effect>
<MetaData>
<Property name="Overlay" formalName="Overlay Texture" description="Overlay texture" type="Texture" clamp="repeat" />
<Property name="overlay_repeat" formalName="Repeat" min="0" max="50" default="1" description="Times to repeat the image over screen."/>
<Property name="alpha" formalName="Alpha" min="0" max="1" default="0.5" description="Overlay blend factor"/>
</MetaData>
<Shaders>
<Shared></Shared>
<FragmentShaderShared></FragmentShaderShared>
<Shader name="main">
<VertexShader></VertexShader>
<FragmentShader><![CDATA[
void frag()
{
vec4 origColor = texture2D_0(TexCoord);
vec4 smp = texture(Overlay, TexCoord.xy * overlay_repeat);
gl_FragColor = alpha * smp + origColor;
}
]]></FragmentShader>
</Shader>
</Shaders>
<Passes>
<Pass shader="main" input="[source]" output="[dest]"/>
</Passes>
</Effect>
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