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#version 150 core
uniform sampler2D original;
uniform sampler2D shadow;
uniform float qt_Opacity;
uniform float spread;
uniform vec4 color;
in vec2 qt_TexCoord0;
out vec4 fragColor;
float linearstep(float e0, float e1, float x) {
return clamp((x - e0) / (e1 - e0), 0.0, 1.0);
}
void main(void) {
vec4 originalColor = texture(original, qt_TexCoord0);
vec4 shadowColor = texture(shadow, qt_TexCoord0);
shadowColor.rgb = mix(originalColor.rgb, color.rgb * originalColor.a, linearstep(0.0, spread, shadowColor.a));
fragColor = vec4(shadowColor.rgb, originalColor.a) * originalColor.a * qt_Opacity;
}
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