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[require]
GLSL >= 1.10
[vertex shader]
float global_variable;
void main()
{
gl_Position = gl_Vertex;
}
[vertex shader]
float global_variable = 1.0;
/* This works around a bug in Apple's GLSL compiler. Their compiler won't allow
* a shader doesn't have any executable code.
*/
void apple_work_around1() {}
[vertex shader]
float global_variable = 2.0;
/* This works around a bug in Apple's GLSL compiler. Their compiler won't allow
* a shader doesn't have any executable code.
*/
void apple_work_around2() {}
[test]
link error
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