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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 vTexCoord;
layout(location = 0) out vec4 fragColor;
layout(std140, binding = 0) uniform buf {
mat4 qt_Matrix;
float qt_Opacity;
} ubuf;
layout(binding = 1) uniform sampler2D uSource1;
layout(binding = 2) uniform sampler2D uSource2;
void main()
{
lowp vec4 p1 = texture(uSource1, vTexCoord);
lowp vec4 p2 = texture(uSource2, vTexCoord);
fragColor = (p1 * (1.0 - p2.a) + p2 * (1.0 - p1.a)) * ubuf.qt_Opacity;
}
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