blob: 7740e7ede4e8876834e756d32d7223d37803fd49 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
#version 440
layout(location = 0) in vec2 qt_TexCoord0;
layout(location = 0) out vec4 fragColor;
layout(std140, binding = 0) uniform buf {
// qt_Matrix and qt_Opacity must always be both present
// if the built-in vertex shader is used.
mat4 qt_Matrix;
float qt_Opacity;
float threshold;
float spread;
};
layout(binding = 1) uniform sampler2D source;
layout(binding = 2) uniform sampler2D maskSource;
void main()
{
vec4 colorFragment = texture(source, qt_TexCoord0.st);
vec4 maskFragment = texture(maskSource, qt_TexCoord0.st);
fragColor = colorFragment * smoothstep(threshold * (1.0 + spread) - spread, threshold * (1.0 + spread), maskFragment.a) * qt_Opacity;
}
|
