src/effects/shaders/+glslcore/fastblur_internal.frag


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#version 150 core
uniform sampler2D source;
uniform float qt_Opacity;
in vec2 qt_TexCoord0;
in vec2 qt_TexCoord1;
in vec2 qt_TexCoord2;
in vec2 qt_TexCoord3;
out vec4 fragColor;

void main() {
    vec4 sourceColor = (texture(source, qt_TexCoord0) +
    texture(source, qt_TexCoord1) +
    texture(source, qt_TexCoord2) +
    texture(source, qt_TexCoord3)) * 0.25;
    fragColor = sourceColor * qt_Opacity;
}