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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#version 440
layout(location = 0) in vec2 qt_TexCoord0;
layout(location = 0) out vec4 fragColor;
layout(binding = 1) uniform sampler2D source;
layout(std140, binding = 0) uniform buf {
mat4 qt_Matrix;
float qt_Opacity;
vec2 sourceSize;
};
void main()
{
vec2 tc = qt_TexCoord0 * vec2(1, -1) + vec2(0, 1);
vec4 col = 0.25 * (texture(source, tc + sourceSize)
+ texture(source, tc- sourceSize)
+ texture(source, tc + sourceSize * vec2(1, -1))
+ texture(source, tc + sourceSize * vec2(-1, 1)));
fragColor = col * qt_Opacity * (1.0 - qt_TexCoord0.y) * 0.2;
}
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