46 lines
		
	
	
		
			571 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			46 lines
		
	
	
		
			571 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | /** | ||
|  |  * Full-screen textured quad shader | ||
|  |  */ | ||
|  | 
 | ||
|  | const CopyShader = { | ||
|  | 
 | ||
|  | 	name: 'CopyShader', | ||
|  | 
 | ||
|  | 	uniforms: { | ||
|  | 
 | ||
|  | 		'tDiffuse': { value: null }, | ||
|  | 		'opacity': { value: 1.0 } | ||
|  | 
 | ||
|  | 	}, | ||
|  | 
 | ||
|  | 	vertexShader: /* glsl */`
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|  | 
 | ||
|  | 		varying vec2 vUv; | ||
|  | 
 | ||
|  | 		void main() { | ||
|  | 
 | ||
|  | 			vUv = uv; | ||
|  | 			gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 ); | ||
|  | 
 | ||
|  | 		}`,
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|  | 
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|  | 	fragmentShader: /* glsl */`
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|  | 
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|  | 		uniform float opacity; | ||
|  | 
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|  | 		uniform sampler2D tDiffuse; | ||
|  | 
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|  | 		varying vec2 vUv; | ||
|  | 
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|  | 		void main() { | ||
|  | 
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|  | 			vec4 texel = texture2D( tDiffuse, vUv ); | ||
|  | 			gl_FragColor = opacity * texel; | ||
|  | 
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|  | 
 | ||
|  | 		}`
 | ||
|  | 
 | ||
|  | }; | ||
|  | 
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|  | export { CopyShader }; |