#version 440

layout(location = 0) in vec4 aVertex;
layout(location = 1) in vec2 aTexCoord;

layout(location = 0) out vec2 vTexCoord;

layout(std140, binding = 0) uniform buf {
    mat4 qt_Matrix;
    float qt_Opacity;
    float scale;
    vec2 center;
    int limit;
} ubuf;

out gl_PerVertex { vec4 gl_Position; };

void main()
{
    gl_Position = ubuf.qt_Matrix * aVertex;
    vTexCoord = aTexCoord;
}