fastblur.frag - mozsearch

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#version 440

layout(location = 0) in vec2 qt_TexCoord0;

layout(location = 0) out vec4 fragColor;

layout(std140, binding = 0) uniform buf {

    // qt_Matrix and qt_Opacity must always be both present

    // if the built-in vertex shader is used.

    mat4 qt_Matrix;

    float qt_Opacity;

    float weight1;

    float weight2;

    float weight3;

    float weight4;

    float weight5;

};

layout(binding = 1) uniform sampler2D source1;

layout(binding = 2) uniform sampler2D source2;

layout(binding = 3) uniform sampler2D source3;

layout(binding = 4) uniform sampler2D source4;

layout(binding = 5) uniform sampler2D source5;

void main()

    vec4 sourceColor = texture(source1, qt_TexCoord0) * weight1;

    sourceColor += texture(source2, qt_TexCoord0) * weight2;

    sourceColor += texture(source3, qt_TexCoord0) * weight3;

    sourceColor += texture(source4, qt_TexCoord0) * weight4;

    sourceColor += texture(source5, qt_TexCoord0) * weight5;

    fragColor = sourceColor * qt_Opacity;