qtdeclarative/examples/quick/scenegraph/customrendernode/shaders/customrender.vert

32 lines
522 B
GLSL

#version 440
layout(location = 0) in vec2 vertex;
layout(location = 0) out vec3 color;
layout(std140, binding = 0) uniform buf {
mat4 qt_Matrix;
float qt_Opacity;
};
out gl_PerVertex { vec4 gl_Position; };
void main()
{
switch (gl_VertexIndex%3) {
case 0:
color = vec3(1.0, 0.0, 0.0);
break;
case 1:
color = vec3(0.0, 1.0, 0.0);
break;
case 2:
color = vec3(0.0, 0.0, 1.0);
break;
}
gl_Position = qt_Matrix * vec4(vertex, 0.0, 1.0);
}