blob: e895071811945d48da77d51d4278037dce97d3f1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#version 440
layout(location = 0) in vec2 sampleCoord;
layout(location = 0) out vec4 fragColor;
layout(binding = 1) uniform sampler2D _qt_texture;
layout(std140, binding = 0) uniform buf {
#if QSHADER_VIEW_COUNT >= 2
mat4 matrix[QSHADER_VIEW_COUNT];
#else
mat4 matrix;
#endif
vec2 textureScale;
vec4 color;
float alphaMin;
float alphaMax;
};
void main()
{
float distance = texture(_qt_texture, sampleCoord).r;
float f = fwidth(distance);
fragColor = color * smoothstep(max(0.0, 0.5 - f), min(1.0, 0.5 + f), distance);
}
|