#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 { | |
mat4 matrix; | |
vec2 textureScale; | |
vec4 color; | |
float alphaMin; | |
float alphaMax; | |
} ubuf; | |
void main() | |
{ | |
fragColor = ubuf.color * smoothstep(ubuf.alphaMin, ubuf.alphaMax, | |
texture(_qt_texture, sampleCoord).r); | |
} |