[pull] dev from mrdoob:dev

examples/jsm/animation/CCDIKSolver.js

@@ -204,7 +204,11 @@ class CCDIKSolver {
 
 					if ( c > 1.0 ) c = 1.0;
 
-					const c2 = math.sqrt( 1 - c * c );
+					// preserve sign of the rotation along the limitation axis,
+					// otherwise negative rotations get mirrored to positive
+					const dot = link.quaternion.x * limitation.x + link.quaternion.y * limitation.y + link.quaternion.z * limitation.z;
+					const sign = dot < 0 ? - 1 : 1;
+					const c2 = sign * math.sqrt( 1 - c * c );
 					link.quaternion.set( limitation.x * c2,
 					                     limitation.y * c2,
 					                     limitation.z * c2,

examples/jsm/loaders/EXRLoader.js

@@ -2082,17 +2082,7 @@ class EXRLoader extends DataTextureLoader {
 
 		const parseInt64 = function ( dataView, offset ) {
 
-			let int;
-
-			if ( 'getBigInt64' in DataView.prototype ) {
-
-				int = Number( dataView.getBigInt64( offset.value, true ) );
-
-			} else {
-
-				int = dataView.getUint32( offset.value + 4, true ) + Number( dataView.getUint32( offset.value, true ) << 32 );
-
-			}
+			const int = Number( dataView.getBigInt64( offset.value, true ) );
 
 			offset.value += ULONG_SIZE;
 

src/renderers/webgpu/WebGPUBackend.js

@@ -1613,20 +1613,17 @@ class WebGPUBackend extends Backend {
 
 			for ( let i = 0; i < drawCount; i ++ ) {
 
-				const count = 1;
-				const firstInstance = count > 1 ? 0 : i;
-
 				if ( hasIndex === true ) {
 
-					passEncoderGPU.drawIndexed( counts[ i ], count, starts[ i ] / bytesPerElement, 0, firstInstance );
+					passEncoderGPU.drawIndexed( counts[ i ], 1, starts[ i ] / bytesPerElement, 0, i );
 
 				} else {
 
-					passEncoderGPU.draw( counts[ i ], count, starts[ i ], firstInstance );
+					passEncoderGPU.draw( counts[ i ], 1, starts[ i ], i );
 
 				}
 
-				info.update( object, counts[ i ], count );
+				info.update( object, counts[ i ], 1 );
 
 			}