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[require]
GL >= 3.1
GLSL >= 1.50
[vertex shader]
#version 150
void main()
{
}
[geometry shader]
#version 150
layout(triangles) in;
layout(triangle_strip, max_vertices = 4) out;
void main()
{
gl_Position = vec4(-1, -1, 0, 1);
EmitVertex();
gl_Position = vec4(-1, 1, 0, 1);
EmitVertex();
gl_Position = vec4( 1, -1, 0, 1);
EmitVertex();
gl_Position = vec4( 1, 1, 0, 1);
EmitVertex();
}
[fragment shader]
#version 150
out vec4 color;
void main()
{
color = vec4(0.0, 1.0, 0.0, 1.0);
}
[test]
clear color 0.5 0.5 0.5 0.5
clear
draw rect -1 -1 2 2
probe all rgba 0.0 1.0 0.0 1.0
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