Merge pull request #17423 from higharc/fix-receiveShadow-shadowMask

Take receiveShadow flag into account for shadowMask

src/renderers/shaders/ShaderChunk/shadowmask_pars_fragment.glsl.js

@@ -13,7 +13,7 @@ float getShadowMask() {
 	for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {
 
 		directionalLight = directionalLights[ i ];
-		shadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;
+		shadow *= all( bvec2( directionalLight.shadow, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;
 
 	}
 
@@ -27,7 +27,7 @@ float getShadowMask() {
 	for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {
 
 		spotLight = spotLights[ i ];
-		shadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;
+		shadow *= all( bvec2( spotLight.shadow, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;
 
 	}
 
@@ -41,7 +41,7 @@ float getShadowMask() {
 	for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {
 
 		pointLight = pointLights[ i ];
-		shadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;
+		shadow *= all( bvec2( pointLight.shadow, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;
 
 	}