28 lines
		
	
	
		
			641 B
		
	
	
	
		
			GLSL
		
	
	
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			641 B
		
	
	
	
		
			GLSL
		
	
	
	
	
	
#version 140
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#extension GL_ARB_fragment_coord_conventions: require
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#extension GL_ARB_explicit_attrib_location : enable
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#if !defined GL_ARB_fragment_coord_conventions
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#  error GL_ARB_fragment_coord_conventions is not defined
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#elif GL_ARB_fragment_coord_conventions != 1
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#  error GL_ARB_fragment_coord_conventions is not equal to 1
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#endif
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layout (location = 0) in vec4 pos;
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out vec4 i;
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uniform float gtf_windowWidth;
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uniform float gtf_windowHeight;
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uniform float n;
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uniform float f;
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void main()
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{
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  gl_Position = pos;
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  i = vec4((pos.x+1.0)*0.5*gtf_windowWidth, (pos.y+1.0)*0.5*gtf_windowHeight, (f-n)*0.5*pos.z + (f+n)*0.5, pos.w);
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}
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