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<?xml version="1.0" encoding="UTF-8" ?>
<Effect>
<MetaData>
<!--Quickly blurs by an adjustable amount. Gaussian refers to the bell-shaped curve that is generated when the shader applies a weighted average to the pixels. The Gaussian Blur filter adds low-frequency detail and can produce a hazy effect.-->
<Property name="BlurBias" formalName="Blurriness" min="0" max="10" default="2" description="0 = no blur\n10 = maximum blur" />
</MetaData>
<Shaders>
<Shared>
#include "blur.glsllib"
</Shared>
<Shader name="HBLUR">
<VertexShader>
void vert()
{
SetupHorizontalGaussianBlur(Texture0Info.x, BlurBias, TexCoord);
}
</VertexShader>
<FragmentShader>
void frag()
{
gl_FragColor = GaussianBlur(Texture0, Texture0Info.z);
}
</FragmentShader>
</Shader>
<Shader name="VBLUR">
<VertexShader>
void vert()
{
SetupVerticalGaussianBlur(Texture0Info.y, BlurBias, TexCoord);
}
</VertexShader>
<FragmentShader>
void frag() // PS_Blur_Vertical_9tap
{
vec4 fragColor = GaussianBlur(Texture0, Texture0Info.z);
colorOutput(fragColor);
}
</FragmentShader>
</Shader>
</Shaders>
<Passes>
<Buffer name="temp_buffer" type="ubyte" format="rgba" filter="linear" wrap="clamp" size="1.0" lifetime="frame"/>
<Pass name="1" shader="HBLUR" input="[source]" output="temp_buffer"/>
<Pass name="2" shader="VBLUR" input="temp_buffer"/>
</Passes>
</Effect>
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