6 /* Verify that InstanceID is zero when drawing primitives using a
7 * non-instanced drawing function.
9 #extension GL_ARB_draw_instanced: require
15 color = vec4(float(gl_InstanceIDARB),
16 1.0 - float(gl_InstanceIDARB),
19 gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
32 clear color 0.5 0.5 0.5 0.5