WebGLProgram: add USE_REVERSEDEPTHBUF define (#29461)

src/renderers/webgl/WebGLProgram.js

@@ -657,6 +657,7 @@ function WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {
 			parameters.numLightProbes > 0 ? '#define USE_LIGHT_PROBES' : '',
 
 			parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',
+			parameters.reverseDepthBuffer ? '#define USE_REVERSEDEPTHBUF' : '',
 
 			'uniform mat4 modelMatrix;',
 			'uniform mat4 modelViewMatrix;',
@@ -822,6 +823,7 @@ function WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {
 			parameters.decodeVideoTexture ? '#define DECODE_VIDEO_TEXTURE' : '',
 
 			parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',
+			parameters.reverseDepthBuffer ? '#define USE_REVERSEDEPTHBUF' : '',
 
 			'uniform mat4 viewMatrix;',
 			'uniform vec3 cameraPosition;',

src/renderers/webgl/WebGLPrograms.js

@@ -14,6 +14,7 @@ function WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities
 	const programs = [];
 
 	const logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer;
+	const reverseDepthBuffer = capabilities.reverseDepthBuffer;
 	const SUPPORTS_VERTEX_TEXTURES = capabilities.vertexTextures;
 
 	let precision = capabilities.precision;
@@ -305,6 +306,7 @@ function WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities
 
 			sizeAttenuation: material.sizeAttenuation === true,
 			logarithmicDepthBuffer: logarithmicDepthBuffer,
+			reverseDepthBuffer: reverseDepthBuffer,
 
 			skinning: object.isSkinnedMesh === true,
 
@@ -524,38 +526,40 @@ function WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities
 			_programLayers.enable( 2 );
 		if ( parameters.logarithmicDepthBuffer )
 			_programLayers.enable( 3 );
-		if ( parameters.skinning )
+		if ( parameters.reverseDepthBuffer )
 			_programLayers.enable( 4 );
-		if ( parameters.morphTargets )
+		if ( parameters.skinning )
 			_programLayers.enable( 5 );
-		if ( parameters.morphNormals )
+		if ( parameters.morphTargets )
 			_programLayers.enable( 6 );
-		if ( parameters.morphColors )
+		if ( parameters.morphNormals )
 			_programLayers.enable( 7 );
-		if ( parameters.premultipliedAlpha )
+		if ( parameters.morphColors )
 			_programLayers.enable( 8 );
-		if ( parameters.shadowMapEnabled )
+		if ( parameters.premultipliedAlpha )
 			_programLayers.enable( 9 );
-		if ( parameters.doubleSided )
+		if ( parameters.shadowMapEnabled )
 			_programLayers.enable( 10 );
-		if ( parameters.flipSided )
+		if ( parameters.doubleSided )
 			_programLayers.enable( 11 );
-		if ( parameters.useDepthPacking )
+		if ( parameters.flipSided )
 			_programLayers.enable( 12 );
-		if ( parameters.dithering )
+		if ( parameters.useDepthPacking )
 			_programLayers.enable( 13 );
-		if ( parameters.transmission )
+		if ( parameters.dithering )
 			_programLayers.enable( 14 );
-		if ( parameters.sheen )
+		if ( parameters.transmission )
 			_programLayers.enable( 15 );
-		if ( parameters.opaque )
+		if ( parameters.sheen )
 			_programLayers.enable( 16 );
-		if ( parameters.pointsUvs )
+		if ( parameters.opaque )
 			_programLayers.enable( 17 );
-		if ( parameters.decodeVideoTexture )
+		if ( parameters.pointsUvs )
 			_programLayers.enable( 18 );
-		if ( parameters.alphaToCoverage )
+		if ( parameters.decodeVideoTexture )
 			_programLayers.enable( 19 );
+		if ( parameters.alphaToCoverage )
+			_programLayers.enable( 20 );
 
 		array.push( _programLayers.mask );