40 lines
		
	
	
		
			853 B
		
	
	
	
		
			GLSL
		
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			853 B
		
	
	
	
		
			GLSL
		
	
	
	
#version 410 core
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void main()
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{
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    gl_ViewportIndex = 7;
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}
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in gl_PerVertex {
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    float gl_PointSize;
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} myIn[];  // ERROR, can't redeclare a different name
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in gl_PerVertex {
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    float gl_PointSize;
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} gl_myIn[];  // ERROR, can't redeclare a different name
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in gl_PerVertex {
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    float gl_PointSize;
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} gl_in[];
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in gl_PerVertex {
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    float gl_PointSize;
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} gl_in[];     // ERROR, can't do it again
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out gl_PerVertex {
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    float gl_PointSize;
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};
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void foo()
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{
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    float p = gl_in[1].gl_PointSize;  // use of redeclared
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    gl_PointSize = p;                 // use of redeclared
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    vec4 v = gl_in[1].gl_Position;    // ERROR, not included in the redeclaration
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    gl_Position = vec4(1.0);          // ERROR, not included in the redeclaration
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}
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float foo5()
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{
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    return 4;  // implicit conversion of return type
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}
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