19 lines
		
	
	
		
			371 B
		
	
	
	
		
			GLSL
		
	
	
	
	
	
			
		
		
	
	
			19 lines
		
	
	
		
			371 B
		
	
	
	
		
			GLSL
		
	
	
	
	
	
#version 460 core
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#extension GL_EXT_demote_to_helper_invocation : enable
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layout(set = 0, binding = 0) uniform sampler2D tex;
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layout(location = 0) in vec2 coord;
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layout(location = 0) out vec4 o;
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void main (void)
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{
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    vec4 v = texture(tex, coord);
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    if (v == vec4(0.1,0.2,0.3,0.4))
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        demote;
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    bool x = helperInvocationEXT();
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    o = v;
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}
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