Nightly

Playground/babylon.d.txt

@@ -25202,6 +25202,11 @@ declare module BABYLON {
         private _isNotBuilt;
         private _lastParticleId;
         private _idxOfId;
+        private _multimaterialEnabled;
+        private _indicesByMaterial;
+        private _materialIndexes;
+        private _depthSortFunction;
+        private _materialSortFunction;
         /**
          * Creates a SPS (Solid Particle System) object.
          * @param name (String) is the SPS name, this will be the underlying mesh name.
@@ -25210,6 +25215,7 @@ declare module BABYLON {
          * * updatable (optional boolean, default true) : if the SPS must be updatable or immutable.
          * * isPickable (optional boolean, default false) : if the solid particles must be pickable.
          * * enableDepthSort (optional boolean, default false) : if the solid particles must be sorted in the geometry according to their distance to the camera.
+         * * enableMultiMaterial (optional boolean, default false) : if the solid particles can be given different materials.
          * * expandable (optional boolean, default false) : if particles can still be added after the initial SPS mesh creation.
          * * particleIntersection (optional boolean, default false) : if the solid particle intersections must be computed.
          * * boundingSphereOnly (optional boolean, default false) : if the particle intersection must be computed only with the bounding sphere (no bounding box computation, so faster).
@@ -25224,6 +25230,7 @@ declare module BABYLON {
             boundingSphereOnly?: boolean;
             bSphereRadiusFactor?: number;
             expandable?: boolean;
+            enableMultiMaterial?: boolean;
         });
         /**
          * Builds the SPS underlying mesh. Returns a standard Mesh.
@@ -25401,6 +25408,21 @@ declare module BABYLON {
          */
         getParticlesByShapeIdToRef(shapeId: number, ref: SolidParticle[]): SolidParticleSystem;
         /**
+         * Computes the required SubMeshes according the materials assigned to the particles.
+         * @returns the solid particle system.
+         * Does nothing if called before the SPS mesh is built.
+         */
+        computeSubMeshes(): SolidParticleSystem;
+        /**
+         * Sorts the solid particles by material when MultiMaterial is enabled.
+         * Updates the indices32 array.
+         * Updates the indicesByMaterial array.
+         * Updates the mesh indices array.
+         * @returns the SPS
+         * @hidden
+         */
+        private _sortParticlesByMaterial;
+        /**
          * Visibilty helper : Recomputes the visible size according to the mesh bounding box
          * doc : http://doc.babylonjs.com/how_to/Solid_Particle_System#sps-visibility
          * @returns the SPS.
@@ -25494,6 +25516,10 @@ declare module BABYLON {
          */
         readonly expandable: boolean;
         /**
+         * Gets if the SPS supports the Multi Materials
+         */
+        readonly multimaterialEnabled: boolean;
+        /**
          * This function does nothing. It may be overwritten to set all the particle first values.
          * The SPS doesn't call this function, you may have to call it by your own.
          * doc : http://doc.babylonjs.com/how_to/Solid_Particle_System#particle-management
@@ -25644,6 +25670,10 @@ declare module BABYLON {
          */
         parentId: Nullable<number>;
         /**
+         * The particle material identifier (integer) when MultiMaterials are enabled in the SPS.
+         */
+        materialIndex: Nullable<number>;
+        /**
          * The culling strategy to use to check whether the solid particle must be culled or not when using isInFrustum().
          * The possible values are :
          * - AbstractMesh.CULLINGSTRATEGY_STANDARD
@@ -25669,8 +25699,9 @@ declare module BABYLON {
          * @param idxInShape (integer) is the index of the particle in the current model (ex: the 10th box of addShape(box, 30))
          * @param sps defines the sps it is associated to
          * @param modelBoundingInfo is the reference to the model BoundingInfo used for intersection computations.
+         * @param materialIndex is the particle material identifier (integer) when the MultiMaterials are enabled in the SPS.
          */
-        constructor(particleIndex: number, particleId: number, positionIndex: number, indiceIndex: number, model: Nullable<ModelShape>, shapeId: number, idxInShape: number, sps: SolidParticleSystem, modelBoundingInfo?: Nullable<BoundingInfo>);
+        constructor(particleIndex: number, particleId: number, positionIndex: number, indiceIndex: number, model: Nullable<ModelShape>, shapeId: number, idxInShape: number, sps: SolidParticleSystem, modelBoundingInfo?: Nullable<BoundingInfo>, materialIndex?: Nullable<number>);
         /**
          * Copies the particle property values into the existing target : position, rotation, scaling, uvs, colors, pivot, parent, visibility, alive
          * @param target the particle target
@@ -25762,6 +25793,7 @@ declare module BABYLON {
     }
     /**
      * Represents a Depth Sorted Particle in the solid particle system.
+     * @hidden
      */
     export class DepthSortedParticle {
         /**
@@ -25776,6 +25808,15 @@ declare module BABYLON {
          * Squared distance from the particle to the camera
          */
         sqDistance: number;
+        /**
+         * Material index when used with MultiMaterials
+         */
+        materialIndex: number;
+        /**
+         * Creates a new sorted particle
+         * @param materialIndex
+         */
+        constructor(materialIndex: number);
     }
 }
 declare module BABYLON {
@@ -69804,6 +69845,25 @@ declare module BABYLON.GLTF2.Loader.Extensions {
 }
 declare module BABYLON.GLTF2.Loader.Extensions {
     /**
+     * [Specification](https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization)
+     */
+    export class KHR_mesh_quantization implements IGLTFLoaderExtension {
+        /**
+         * The name of this extension.
+         */
+        readonly name: string;
+        /**
+         * Defines whether this extension is enabled.
+         */
+        enabled: boolean;
+        /** @hidden */
+        constructor(loader: GLTFLoader);
+        /** @hidden */
+        dispose(): void;
+    }
+}
+declare module BABYLON.GLTF2.Loader.Extensions {
+    /**
      * [Specification](https://github.com/KhronosGroup/glTF/blob/master/extensions/2.0/Khronos/KHR_texture_transform/README.md)
      */
     export class KHR_texture_transform implements IGLTFLoaderExtension {

dist/preview release/babylon.d.ts

@@ -25595,6 +25595,11 @@ declare module BABYLON {
         private _isNotBuilt;
         private _lastParticleId;
         private _idxOfId;
+        private _multimaterialEnabled;
+        private _indicesByMaterial;
+        private _materialIndexes;
+        private _depthSortFunction;
+        private _materialSortFunction;
         /**
          * Creates a SPS (Solid Particle System) object.
          * @param name (String) is the SPS name, this will be the underlying mesh name.
@@ -25603,6 +25608,7 @@ declare module BABYLON {
          * * updatable (optional boolean, default true) : if the SPS must be updatable or immutable.
          * * isPickable (optional boolean, default false) : if the solid particles must be pickable.
          * * enableDepthSort (optional boolean, default false) : if the solid particles must be sorted in the geometry according to their distance to the camera.
+         * * enableMultiMaterial (optional boolean, default false) : if the solid particles can be given different materials.
          * * expandable (optional boolean, default false) : if particles can still be added after the initial SPS mesh creation.
          * * particleIntersection (optional boolean, default false) : if the solid particle intersections must be computed.
          * * boundingSphereOnly (optional boolean, default false) : if the particle intersection must be computed only with the bounding sphere (no bounding box computation, so faster).
@@ -25617,6 +25623,7 @@ declare module BABYLON {
             boundingSphereOnly?: boolean;
             bSphereRadiusFactor?: number;
             expandable?: boolean;
+            enableMultiMaterial?: boolean;
         });
         /**
          * Builds the SPS underlying mesh. Returns a standard Mesh.
@@ -25794,6 +25801,21 @@ declare module BABYLON {
          */
         getParticlesByShapeIdToRef(shapeId: number, ref: SolidParticle[]): SolidParticleSystem;
         /**
+         * Computes the required SubMeshes according the materials assigned to the particles.
+         * @returns the solid particle system.
+         * Does nothing if called before the SPS mesh is built.
+         */
+        computeSubMeshes(): SolidParticleSystem;
+        /**
+         * Sorts the solid particles by material when MultiMaterial is enabled.
+         * Updates the indices32 array.
+         * Updates the indicesByMaterial array.
+         * Updates the mesh indices array.
+         * @returns the SPS
+         * @hidden
+         */
+        private _sortParticlesByMaterial;
+        /**
          * Visibilty helper : Recomputes the visible size according to the mesh bounding box
          * doc : http://doc.babylonjs.com/how_to/Solid_Particle_System#sps-visibility
          * @returns the SPS.
@@ -25887,6 +25909,10 @@ declare module BABYLON {
          */
         readonly expandable: boolean;
         /**
+         * Gets if the SPS supports the Multi Materials
+         */
+        readonly multimaterialEnabled: boolean;
+        /**
          * This function does nothing. It may be overwritten to set all the particle first values.
          * The SPS doesn't call this function, you may have to call it by your own.
          * doc : http://doc.babylonjs.com/how_to/Solid_Particle_System#particle-management
@@ -26045,6 +26071,10 @@ declare module BABYLON {
          */
         parentId: Nullable<number>;
         /**
+         * The particle material identifier (integer) when MultiMaterials are enabled in the SPS.
+         */
+        materialIndex: Nullable<number>;
+        /**
          * The culling strategy to use to check whether the solid particle must be culled or not when using isInFrustum().
          * The possible values are :
          * - AbstractMesh.CULLINGSTRATEGY_STANDARD
@@ -26071,8 +26101,9 @@ declare module BABYLON {
          * @param idxInShape (integer) is the index of the particle in the current model (ex: the 10th box of addShape(box, 30))
          * @param sps defines the sps it is associated to
          * @param modelBoundingInfo is the reference to the model BoundingInfo used for intersection computations.
+         * @param materialIndex is the particle material identifier (integer) when the MultiMaterials are enabled in the SPS.
          */
-        constructor(particleIndex: number, particleId: number, positionIndex: number, indiceIndex: number, model: Nullable<ModelShape>, shapeId: number, idxInShape: number, sps: SolidParticleSystem, modelBoundingInfo?: Nullable<BoundingInfo>);
+        constructor(particleIndex: number, particleId: number, positionIndex: number, indiceIndex: number, model: Nullable<ModelShape>, shapeId: number, idxInShape: number, sps: SolidParticleSystem, modelBoundingInfo?: Nullable<BoundingInfo>, materialIndex?: Nullable<number>);
         /**
          * Copies the particle property values into the existing target : position, rotation, scaling, uvs, colors, pivot, parent, visibility, alive
          * @param target the particle target
@@ -26172,6 +26203,7 @@ declare module BABYLON {
     }
     /**
      * Represents a Depth Sorted Particle in the solid particle system.
+     * @hidden
      */
     export class DepthSortedParticle {
         /**
@@ -26186,6 +26218,15 @@ declare module BABYLON {
          * Squared distance from the particle to the camera
          */
         sqDistance: number;
+        /**
+         * Material index when used with MultiMaterials
+         */
+        materialIndex: number;
+        /**
+         * Creates a new sorted particle
+         * @param materialIndex
+         */
+        constructor(materialIndex: number);
     }
 }
 declare module BABYLON {

dist/preview release/babylon.module.d.ts

@@ -26345,6 +26345,11 @@ declare module "babylonjs/Particles/solidParticleSystem" {
         private _isNotBuilt;
         private _lastParticleId;
         private _idxOfId;
+        private _multimaterialEnabled;
+        private _indicesByMaterial;
+        private _materialIndexes;
+        private _depthSortFunction;
+        private _materialSortFunction;
         /**
          * Creates a SPS (Solid Particle System) object.
          * @param name (String) is the SPS name, this will be the underlying mesh name.
@@ -26353,6 +26358,7 @@ declare module "babylonjs/Particles/solidParticleSystem" {
          * * updatable (optional boolean, default true) : if the SPS must be updatable or immutable.
          * * isPickable (optional boolean, default false) : if the solid particles must be pickable.
          * * enableDepthSort (optional boolean, default false) : if the solid particles must be sorted in the geometry according to their distance to the camera.
+         * * enableMultiMaterial (optional boolean, default false) : if the solid particles can be given different materials.
          * * expandable (optional boolean, default false) : if particles can still be added after the initial SPS mesh creation.
          * * particleIntersection (optional boolean, default false) : if the solid particle intersections must be computed.
          * * boundingSphereOnly (optional boolean, default false) : if the particle intersection must be computed only with the bounding sphere (no bounding box computation, so faster).
@@ -26367,6 +26373,7 @@ declare module "babylonjs/Particles/solidParticleSystem" {
             boundingSphereOnly?: boolean;
             bSphereRadiusFactor?: number;
             expandable?: boolean;
+            enableMultiMaterial?: boolean;
         });
         /**
          * Builds the SPS underlying mesh. Returns a standard Mesh.
@@ -26544,6 +26551,21 @@ declare module "babylonjs/Particles/solidParticleSystem" {
          */
         getParticlesByShapeIdToRef(shapeId: number, ref: SolidParticle[]): SolidParticleSystem;
         /**
+         * Computes the required SubMeshes according the materials assigned to the particles.
+         * @returns the solid particle system.
+         * Does nothing if called before the SPS mesh is built.
+         */
+        computeSubMeshes(): SolidParticleSystem;
+        /**
+         * Sorts the solid particles by material when MultiMaterial is enabled.
+         * Updates the indices32 array.
+         * Updates the indicesByMaterial array.
+         * Updates the mesh indices array.
+         * @returns the SPS
+         * @hidden
+         */
+        private _sortParticlesByMaterial;
+        /**
          * Visibilty helper : Recomputes the visible size according to the mesh bounding box
          * doc : http://doc.babylonjs.com/how_to/Solid_Particle_System#sps-visibility
          * @returns the SPS.
@@ -26637,6 +26659,10 @@ declare module "babylonjs/Particles/solidParticleSystem" {
          */
         readonly expandable: boolean;
         /**
+         * Gets if the SPS supports the Multi Materials
+         */
+        readonly multimaterialEnabled: boolean;
+        /**
          * This function does nothing. It may be overwritten to set all the particle first values.
          * The SPS doesn't call this function, you may have to call it by your own.
          * doc : http://doc.babylonjs.com/how_to/Solid_Particle_System#particle-management
@@ -26802,6 +26828,10 @@ declare module "babylonjs/Particles/solidParticle" {
          */
         parentId: Nullable<number>;
         /**
+         * The particle material identifier (integer) when MultiMaterials are enabled in the SPS.
+         */
+        materialIndex: Nullable<number>;
+        /**
          * The culling strategy to use to check whether the solid particle must be culled or not when using isInFrustum().
          * The possible values are :
          * - AbstractMesh.CULLINGSTRATEGY_STANDARD
@@ -26828,8 +26858,9 @@ declare module "babylonjs/Particles/solidParticle" {
          * @param idxInShape (integer) is the index of the particle in the current model (ex: the 10th box of addShape(box, 30))
          * @param sps defines the sps it is associated to
          * @param modelBoundingInfo is the reference to the model BoundingInfo used for intersection computations.
+         * @param materialIndex is the particle material identifier (integer) when the MultiMaterials are enabled in the SPS.
          */
-        constructor(particleIndex: number, particleId: number, positionIndex: number, indiceIndex: number, model: Nullable<ModelShape>, shapeId: number, idxInShape: number, sps: SolidParticleSystem, modelBoundingInfo?: Nullable<BoundingInfo>);
+        constructor(particleIndex: number, particleId: number, positionIndex: number, indiceIndex: number, model: Nullable<ModelShape>, shapeId: number, idxInShape: number, sps: SolidParticleSystem, modelBoundingInfo?: Nullable<BoundingInfo>, materialIndex?: Nullable<number>);
         /**
          * Copies the particle property values into the existing target : position, rotation, scaling, uvs, colors, pivot, parent, visibility, alive
          * @param target the particle target
@@ -26929,6 +26960,7 @@ declare module "babylonjs/Particles/solidParticle" {
     }
     /**
      * Represents a Depth Sorted Particle in the solid particle system.
+     * @hidden
      */
     export class DepthSortedParticle {
         /**
@@ -26943,6 +26975,15 @@ declare module "babylonjs/Particles/solidParticle" {
          * Squared distance from the particle to the camera
          */
         sqDistance: number;
+        /**
+         * Material index when used with MultiMaterials
+         */
+        materialIndex: number;
+        /**
+         * Creates a new sorted particle
+         * @param materialIndex
+         */
+        constructor(materialIndex: number);
     }
 }
 declare module "babylonjs/Collisions/meshCollisionData" {
@@ -94061,6 +94102,11 @@ declare module BABYLON {
         private _isNotBuilt;
         private _lastParticleId;
         private _idxOfId;
+        private _multimaterialEnabled;
+        private _indicesByMaterial;
+        private _materialIndexes;
+        private _depthSortFunction;
+        private _materialSortFunction;
         /**
          * Creates a SPS (Solid Particle System) object.
          * @param name (String) is the SPS name, this will be the underlying mesh name.
@@ -94069,6 +94115,7 @@ declare module BABYLON {
          * * updatable (optional boolean, default true) : if the SPS must be updatable or immutable.
          * * isPickable (optional boolean, default false) : if the solid particles must be pickable.
          * * enableDepthSort (optional boolean, default false) : if the solid particles must be sorted in the geometry according to their distance to the camera.
+         * * enableMultiMaterial (optional boolean, default false) : if the solid particles can be given different materials.
          * * expandable (optional boolean, default false) : if particles can still be added after the initial SPS mesh creation.
          * * particleIntersection (optional boolean, default false) : if the solid particle intersections must be computed.
          * * boundingSphereOnly (optional boolean, default false) : if the particle intersection must be computed only with the bounding sphere (no bounding box computation, so faster).
@@ -94083,6 +94130,7 @@ declare module BABYLON {
             boundingSphereOnly?: boolean;
             bSphereRadiusFactor?: number;
             expandable?: boolean;
+            enableMultiMaterial?: boolean;
         });
         /**
          * Builds the SPS underlying mesh. Returns a standard Mesh.
@@ -94260,6 +94308,21 @@ declare module BABYLON {
          */
         getParticlesByShapeIdToRef(shapeId: number, ref: SolidParticle[]): SolidParticleSystem;
         /**
+         * Computes the required SubMeshes according the materials assigned to the particles.
+         * @returns the solid particle system.
+         * Does nothing if called before the SPS mesh is built.
+         */
+        computeSubMeshes(): SolidParticleSystem;
+        /**
+         * Sorts the solid particles by material when MultiMaterial is enabled.
+         * Updates the indices32 array.
+         * Updates the indicesByMaterial array.
+         * Updates the mesh indices array.
+         * @returns the SPS
+         * @hidden
+         */
+        private _sortParticlesByMaterial;
+        /**
          * Visibilty helper : Recomputes the visible size according to the mesh bounding box
          * doc : http://doc.babylonjs.com/how_to/Solid_Particle_System#sps-visibility
          * @returns the SPS.
@@ -94353,6 +94416,10 @@ declare module BABYLON {
          */
         readonly expandable: boolean;
         /**
+         * Gets if the SPS supports the Multi Materials
+         */
+        readonly multimaterialEnabled: boolean;
+        /**
          * This function does nothing. It may be overwritten to set all the particle first values.
          * The SPS doesn't call this function, you may have to call it by your own.
          * doc : http://doc.babylonjs.com/how_to/Solid_Particle_System#particle-management
@@ -94511,6 +94578,10 @@ declare module BABYLON {
          */
         parentId: Nullable<number>;
         /**
+         * The particle material identifier (integer) when MultiMaterials are enabled in the SPS.
+         */
+        materialIndex: Nullable<number>;
+        /**
          * The culling strategy to use to check whether the solid particle must be culled or not when using isInFrustum().
          * The possible values are :
          * - AbstractMesh.CULLINGSTRATEGY_STANDARD
@@ -94537,8 +94608,9 @@ declare module BABYLON {
          * @param idxInShape (integer) is the index of the particle in the current model (ex: the 10th box of addShape(box, 30))
          * @param sps defines the sps it is associated to
          * @param modelBoundingInfo is the reference to the model BoundingInfo used for intersection computations.
+         * @param materialIndex is the particle material identifier (integer) when the MultiMaterials are enabled in the SPS.
          */
-        constructor(particleIndex: number, particleId: number, positionIndex: number, indiceIndex: number, model: Nullable<ModelShape>, shapeId: number, idxInShape: number, sps: SolidParticleSystem, modelBoundingInfo?: Nullable<BoundingInfo>);
+        constructor(particleIndex: number, particleId: number, positionIndex: number, indiceIndex: number, model: Nullable<ModelShape>, shapeId: number, idxInShape: number, sps: SolidParticleSystem, modelBoundingInfo?: Nullable<BoundingInfo>, materialIndex?: Nullable<number>);
         /**
          * Copies the particle property values into the existing target : position, rotation, scaling, uvs, colors, pivot, parent, visibility, alive
          * @param target the particle target
@@ -94638,6 +94710,7 @@ declare module BABYLON {
     }
     /**
      * Represents a Depth Sorted Particle in the solid particle system.
+     * @hidden
      */
     export class DepthSortedParticle {
         /**
@@ -94652,6 +94725,15 @@ declare module BABYLON {
          * Squared distance from the particle to the camera
          */
         sqDistance: number;
+        /**
+         * Material index when used with MultiMaterials
+         */
+        materialIndex: number;
+        /**
+         * Creates a new sorted particle
+         * @param materialIndex
+         */
+        constructor(materialIndex: number);
     }
 }
 declare module BABYLON {

dist/preview release/documentation.d.ts

@@ -25595,6 +25595,11 @@ declare module BABYLON {
         private _isNotBuilt;
         private _lastParticleId;
         private _idxOfId;
+        private _multimaterialEnabled;
+        private _indicesByMaterial;
+        private _materialIndexes;
+        private _depthSortFunction;
+        private _materialSortFunction;
         /**
          * Creates a SPS (Solid Particle System) object.
          * @param name (String) is the SPS name, this will be the underlying mesh name.
@@ -25603,6 +25608,7 @@ declare module BABYLON {
          * * updatable (optional boolean, default true) : if the SPS must be updatable or immutable.
          * * isPickable (optional boolean, default false) : if the solid particles must be pickable.
          * * enableDepthSort (optional boolean, default false) : if the solid particles must be sorted in the geometry according to their distance to the camera.
+         * * enableMultiMaterial (optional boolean, default false) : if the solid particles can be given different materials.
          * * expandable (optional boolean, default false) : if particles can still be added after the initial SPS mesh creation.
          * * particleIntersection (optional boolean, default false) : if the solid particle intersections must be computed.
          * * boundingSphereOnly (optional boolean, default false) : if the particle intersection must be computed only with the bounding sphere (no bounding box computation, so faster).
@@ -25617,6 +25623,7 @@ declare module BABYLON {
             boundingSphereOnly?: boolean;
             bSphereRadiusFactor?: number;
             expandable?: boolean;
+            enableMultiMaterial?: boolean;
         });
         /**
          * Builds the SPS underlying mesh. Returns a standard Mesh.
@@ -25794,6 +25801,21 @@ declare module BABYLON {
          */
         getParticlesByShapeIdToRef(shapeId: number, ref: SolidParticle[]): SolidParticleSystem;
         /**
+         * Computes the required SubMeshes according the materials assigned to the particles.
+         * @returns the solid particle system.
+         * Does nothing if called before the SPS mesh is built.
+         */
+        computeSubMeshes(): SolidParticleSystem;
+        /**
+         * Sorts the solid particles by material when MultiMaterial is enabled.
+         * Updates the indices32 array.
+         * Updates the indicesByMaterial array.
+         * Updates the mesh indices array.
+         * @returns the SPS
+         * @hidden
+         */
+        private _sortParticlesByMaterial;
+        /**
          * Visibilty helper : Recomputes the visible size according to the mesh bounding box
          * doc : http://doc.babylonjs.com/how_to/Solid_Particle_System#sps-visibility
          * @returns the SPS.
@@ -25887,6 +25909,10 @@ declare module BABYLON {
          */
         readonly expandable: boolean;
         /**
+         * Gets if the SPS supports the Multi Materials
+         */
+        readonly multimaterialEnabled: boolean;
+        /**
          * This function does nothing. It may be overwritten to set all the particle first values.
          * The SPS doesn't call this function, you may have to call it by your own.
          * doc : http://doc.babylonjs.com/how_to/Solid_Particle_System#particle-management
@@ -26045,6 +26071,10 @@ declare module BABYLON {
          */
         parentId: Nullable<number>;
         /**
+         * The particle material identifier (integer) when MultiMaterials are enabled in the SPS.
+         */
+        materialIndex: Nullable<number>;
+        /**
          * The culling strategy to use to check whether the solid particle must be culled or not when using isInFrustum().
          * The possible values are :
          * - AbstractMesh.CULLINGSTRATEGY_STANDARD
@@ -26071,8 +26101,9 @@ declare module BABYLON {
          * @param idxInShape (integer) is the index of the particle in the current model (ex: the 10th box of addShape(box, 30))
          * @param sps defines the sps it is associated to
          * @param modelBoundingInfo is the reference to the model BoundingInfo used for intersection computations.
+         * @param materialIndex is the particle material identifier (integer) when the MultiMaterials are enabled in the SPS.
          */
-        constructor(particleIndex: number, particleId: number, positionIndex: number, indiceIndex: number, model: Nullable<ModelShape>, shapeId: number, idxInShape: number, sps: SolidParticleSystem, modelBoundingInfo?: Nullable<BoundingInfo>);
+        constructor(particleIndex: number, particleId: number, positionIndex: number, indiceIndex: number, model: Nullable<ModelShape>, shapeId: number, idxInShape: number, sps: SolidParticleSystem, modelBoundingInfo?: Nullable<BoundingInfo>, materialIndex?: Nullable<number>);
         /**
          * Copies the particle property values into the existing target : position, rotation, scaling, uvs, colors, pivot, parent, visibility, alive
          * @param target the particle target
@@ -26172,6 +26203,7 @@ declare module BABYLON {
     }
     /**
      * Represents a Depth Sorted Particle in the solid particle system.
+     * @hidden
      */
     export class DepthSortedParticle {
         /**
@@ -26186,6 +26218,15 @@ declare module BABYLON {
          * Squared distance from the particle to the camera
          */
         sqDistance: number;
+        /**
+         * Material index when used with MultiMaterials
+         */
+        materialIndex: number;
+        /**
+         * Creates a new sorted particle
+         * @param materialIndex
+         */
+        constructor(materialIndex: number);
     }
 }
 declare module BABYLON {
@@ -70902,6 +70943,25 @@ declare module BABYLON.GLTF2.Loader.Extensions {
 }
 declare module BABYLON.GLTF2.Loader.Extensions {
     /**
+     * [Specification](https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization)
+     */
+    export class KHR_mesh_quantization implements IGLTFLoaderExtension {
+        /**
+         * The name of this extension.
+         */
+        readonly name: string;
+        /**
+         * Defines whether this extension is enabled.
+         */
+        enabled: boolean;
+        /** @hidden */
+        constructor(loader: GLTFLoader);
+        /** @hidden */
+        dispose(): void;
+    }
+}
+declare module BABYLON.GLTF2.Loader.Extensions {
+    /**
      * [Specification](https://github.com/KhronosGroup/glTF/blob/master/extensions/2.0/Khronos/KHR_texture_transform/README.md)
      */
     export class KHR_texture_transform implements IGLTFLoaderExtension {

dist/preview release/loaders/babylon.glTF2FileLoader.js

@@ -934,6 +934,42 @@ _glTFLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFLoader"].RegisterExtension(NAME, f
 
 /***/ }),
 
+/***/ "./glTF/2.0/Extensions/KHR_mesh_quantization.ts":
+/*!******************************************************!*\
+  !*** ./glTF/2.0/Extensions/KHR_mesh_quantization.ts ***!
+  \******************************************************/
+/*! exports provided: KHR_mesh_quantization */
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+__webpack_require__.r(__webpack_exports__);
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "KHR_mesh_quantization", function() { return KHR_mesh_quantization; });
+/* harmony import */ var _glTFLoader__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../glTFLoader */ "./glTF/2.0/glTFLoader.ts");
+
+var NAME = "KHR_mesh_quantization";
+/**
+ * [Specification](https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization)
+ */
+var KHR_mesh_quantization = /** @class */ (function () {
+    /** @hidden */
+    function KHR_mesh_quantization(loader) {
+        /**
+         * The name of this extension.
+         */
+        this.name = NAME;
+        this.enabled = loader.isExtensionUsed(NAME);
+    }
+    /** @hidden */
+    KHR_mesh_quantization.prototype.dispose = function () {
+    };
+    return KHR_mesh_quantization;
+}());
+
+_glTFLoader__WEBPACK_IMPORTED_MODULE_0__["GLTFLoader"].RegisterExtension(NAME, function (loader) { return new KHR_mesh_quantization(loader); });
+
+
+/***/ }),
+
 /***/ "./glTF/2.0/Extensions/KHR_texture_transform.ts":
 /*!******************************************************!*\
   !*** ./glTF/2.0/Extensions/KHR_texture_transform.ts ***!
@@ -1671,7 +1707,7 @@ _glTFLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFLoader"].RegisterExtension(NAME, f
 /*!**************************************!*\
   !*** ./glTF/2.0/Extensions/index.ts ***!
   \**************************************/
-/*! exports provided: EXT_lights_image_based, KHR_draco_mesh_compression, KHR_lights, KHR_materials_pbrSpecularGlossiness, KHR_materials_unlit, KHR_materials_clearcoat, KHR_materials_sheen, KHR_materials_specular, KHR_texture_transform, MSFT_audio_emitter, MSFT_lod, MSFT_minecraftMesh, MSFT_sRGBFactors, ExtrasAsMetadata */
+/*! exports provided: EXT_lights_image_based, KHR_draco_mesh_compression, KHR_lights, KHR_materials_pbrSpecularGlossiness, KHR_materials_unlit, KHR_materials_clearcoat, KHR_materials_sheen, KHR_materials_specular, KHR_mesh_quantization, KHR_texture_transform, MSFT_audio_emitter, MSFT_lod, MSFT_minecraftMesh, MSFT_sRGBFactors, ExtrasAsMetadata */
 /***/ (function(module, __webpack_exports__, __webpack_require__) {
 
 "use strict";
@@ -1700,24 +1736,28 @@ __webpack_require__.r(__webpack_exports__);
 /* harmony import */ var _KHR_materials_specular__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! ./KHR_materials_specular */ "./glTF/2.0/Extensions/KHR_materials_specular.ts");
 /* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_materials_specular", function() { return _KHR_materials_specular__WEBPACK_IMPORTED_MODULE_7__["KHR_materials_specular"]; });
 
-/* harmony import */ var _KHR_texture_transform__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! ./KHR_texture_transform */ "./glTF/2.0/Extensions/KHR_texture_transform.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_texture_transform", function() { return _KHR_texture_transform__WEBPACK_IMPORTED_MODULE_8__["KHR_texture_transform"]; });
+/* harmony import */ var _KHR_mesh_quantization__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! ./KHR_mesh_quantization */ "./glTF/2.0/Extensions/KHR_mesh_quantization.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_mesh_quantization", function() { return _KHR_mesh_quantization__WEBPACK_IMPORTED_MODULE_8__["KHR_mesh_quantization"]; });
 
-/* harmony import */ var _MSFT_audio_emitter__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! ./MSFT_audio_emitter */ "./glTF/2.0/Extensions/MSFT_audio_emitter.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_audio_emitter", function() { return _MSFT_audio_emitter__WEBPACK_IMPORTED_MODULE_9__["MSFT_audio_emitter"]; });
+/* harmony import */ var _KHR_texture_transform__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! ./KHR_texture_transform */ "./glTF/2.0/Extensions/KHR_texture_transform.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_texture_transform", function() { return _KHR_texture_transform__WEBPACK_IMPORTED_MODULE_9__["KHR_texture_transform"]; });
 
-/* harmony import */ var _MSFT_lod__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! ./MSFT_lod */ "./glTF/2.0/Extensions/MSFT_lod.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_lod", function() { return _MSFT_lod__WEBPACK_IMPORTED_MODULE_10__["MSFT_lod"]; });
+/* harmony import */ var _MSFT_audio_emitter__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! ./MSFT_audio_emitter */ "./glTF/2.0/Extensions/MSFT_audio_emitter.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_audio_emitter", function() { return _MSFT_audio_emitter__WEBPACK_IMPORTED_MODULE_10__["MSFT_audio_emitter"]; });
 
-/* harmony import */ var _MSFT_minecraftMesh__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! ./MSFT_minecraftMesh */ "./glTF/2.0/Extensions/MSFT_minecraftMesh.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_minecraftMesh", function() { return _MSFT_minecraftMesh__WEBPACK_IMPORTED_MODULE_11__["MSFT_minecraftMesh"]; });
+/* harmony import */ var _MSFT_lod__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! ./MSFT_lod */ "./glTF/2.0/Extensions/MSFT_lod.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_lod", function() { return _MSFT_lod__WEBPACK_IMPORTED_MODULE_11__["MSFT_lod"]; });
 
-/* harmony import */ var _MSFT_sRGBFactors__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! ./MSFT_sRGBFactors */ "./glTF/2.0/Extensions/MSFT_sRGBFactors.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_sRGBFactors", function() { return _MSFT_sRGBFactors__WEBPACK_IMPORTED_MODULE_12__["MSFT_sRGBFactors"]; });
+/* harmony import */ var _MSFT_minecraftMesh__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! ./MSFT_minecraftMesh */ "./glTF/2.0/Extensions/MSFT_minecraftMesh.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_minecraftMesh", function() { return _MSFT_minecraftMesh__WEBPACK_IMPORTED_MODULE_12__["MSFT_minecraftMesh"]; });
 
-/* harmony import */ var _ExtrasAsMetadata__WEBPACK_IMPORTED_MODULE_13__ = __webpack_require__(/*! ./ExtrasAsMetadata */ "./glTF/2.0/Extensions/ExtrasAsMetadata.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "ExtrasAsMetadata", function() { return _ExtrasAsMetadata__WEBPACK_IMPORTED_MODULE_13__["ExtrasAsMetadata"]; });
+/* harmony import */ var _MSFT_sRGBFactors__WEBPACK_IMPORTED_MODULE_13__ = __webpack_require__(/*! ./MSFT_sRGBFactors */ "./glTF/2.0/Extensions/MSFT_sRGBFactors.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_sRGBFactors", function() { return _MSFT_sRGBFactors__WEBPACK_IMPORTED_MODULE_13__["MSFT_sRGBFactors"]; });
 
+/* harmony import */ var _ExtrasAsMetadata__WEBPACK_IMPORTED_MODULE_14__ = __webpack_require__(/*! ./ExtrasAsMetadata */ "./glTF/2.0/Extensions/ExtrasAsMetadata.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "ExtrasAsMetadata", function() { return _ExtrasAsMetadata__WEBPACK_IMPORTED_MODULE_14__["ExtrasAsMetadata"]; });
+
+
 
 
 
@@ -3845,7 +3885,7 @@ _glTFFileLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFFileLoader"]._CreateGLTF2Loade
 /*!***************************!*\
   !*** ./glTF/2.0/index.ts ***!
   \***************************/
-/*! exports provided: ArrayItem, GLTFLoader, EXT_lights_image_based, KHR_draco_mesh_compression, KHR_lights, KHR_materials_pbrSpecularGlossiness, KHR_materials_unlit, KHR_materials_clearcoat, KHR_materials_sheen, KHR_materials_specular, KHR_texture_transform, MSFT_audio_emitter, MSFT_lod, MSFT_minecraftMesh, MSFT_sRGBFactors, ExtrasAsMetadata */
+/*! exports provided: ArrayItem, GLTFLoader, EXT_lights_image_based, KHR_draco_mesh_compression, KHR_lights, KHR_materials_pbrSpecularGlossiness, KHR_materials_unlit, KHR_materials_clearcoat, KHR_materials_sheen, KHR_materials_specular, KHR_mesh_quantization, KHR_texture_transform, MSFT_audio_emitter, MSFT_lod, MSFT_minecraftMesh, MSFT_sRGBFactors, ExtrasAsMetadata */
 /***/ (function(module, __webpack_exports__, __webpack_require__) {
 
 "use strict";
@@ -3872,6 +3912,8 @@ __webpack_require__.r(__webpack_exports__);
 
 /* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_materials_specular", function() { return _Extensions__WEBPACK_IMPORTED_MODULE_1__["KHR_materials_specular"]; });
 
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_mesh_quantization", function() { return _Extensions__WEBPACK_IMPORTED_MODULE_1__["KHR_mesh_quantization"]; });
+
 /* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_texture_transform", function() { return _Extensions__WEBPACK_IMPORTED_MODULE_1__["KHR_texture_transform"]; });
 
 /* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_audio_emitter", function() { return _Extensions__WEBPACK_IMPORTED_MODULE_1__["MSFT_audio_emitter"]; });

dist/preview release/loaders/babylon.glTFFileLoader.js

@@ -3494,6 +3494,42 @@ _glTFLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFLoader"].RegisterExtension(NAME, f
 
 /***/ }),
 
+/***/ "./glTF/2.0/Extensions/KHR_mesh_quantization.ts":
+/*!******************************************************!*\
+  !*** ./glTF/2.0/Extensions/KHR_mesh_quantization.ts ***!
+  \******************************************************/
+/*! exports provided: KHR_mesh_quantization */
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+__webpack_require__.r(__webpack_exports__);
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "KHR_mesh_quantization", function() { return KHR_mesh_quantization; });
+/* harmony import */ var _glTFLoader__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../glTFLoader */ "./glTF/2.0/glTFLoader.ts");
+
+var NAME = "KHR_mesh_quantization";
+/**
+ * [Specification](https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization)
+ */
+var KHR_mesh_quantization = /** @class */ (function () {
+    /** @hidden */
+    function KHR_mesh_quantization(loader) {
+        /**
+         * The name of this extension.
+         */
+        this.name = NAME;
+        this.enabled = loader.isExtensionUsed(NAME);
+    }
+    /** @hidden */
+    KHR_mesh_quantization.prototype.dispose = function () {
+    };
+    return KHR_mesh_quantization;
+}());
+
+_glTFLoader__WEBPACK_IMPORTED_MODULE_0__["GLTFLoader"].RegisterExtension(NAME, function (loader) { return new KHR_mesh_quantization(loader); });
+
+
+/***/ }),
+
 /***/ "./glTF/2.0/Extensions/KHR_texture_transform.ts":
 /*!******************************************************!*\
   !*** ./glTF/2.0/Extensions/KHR_texture_transform.ts ***!
@@ -4231,7 +4267,7 @@ _glTFLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFLoader"].RegisterExtension(NAME, f
 /*!**************************************!*\
   !*** ./glTF/2.0/Extensions/index.ts ***!
   \**************************************/
-/*! exports provided: EXT_lights_image_based, KHR_draco_mesh_compression, KHR_lights, KHR_materials_pbrSpecularGlossiness, KHR_materials_unlit, KHR_materials_clearcoat, KHR_materials_sheen, KHR_materials_specular, KHR_texture_transform, MSFT_audio_emitter, MSFT_lod, MSFT_minecraftMesh, MSFT_sRGBFactors, ExtrasAsMetadata */
+/*! exports provided: EXT_lights_image_based, KHR_draco_mesh_compression, KHR_lights, KHR_materials_pbrSpecularGlossiness, KHR_materials_unlit, KHR_materials_clearcoat, KHR_materials_sheen, KHR_materials_specular, KHR_mesh_quantization, KHR_texture_transform, MSFT_audio_emitter, MSFT_lod, MSFT_minecraftMesh, MSFT_sRGBFactors, ExtrasAsMetadata */
 /***/ (function(module, __webpack_exports__, __webpack_require__) {
 
 "use strict";
@@ -4260,24 +4296,28 @@ __webpack_require__.r(__webpack_exports__);
 /* harmony import */ var _KHR_materials_specular__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! ./KHR_materials_specular */ "./glTF/2.0/Extensions/KHR_materials_specular.ts");
 /* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_materials_specular", function() { return _KHR_materials_specular__WEBPACK_IMPORTED_MODULE_7__["KHR_materials_specular"]; });
 
-/* harmony import */ var _KHR_texture_transform__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! ./KHR_texture_transform */ "./glTF/2.0/Extensions/KHR_texture_transform.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_texture_transform", function() { return _KHR_texture_transform__WEBPACK_IMPORTED_MODULE_8__["KHR_texture_transform"]; });
+/* harmony import */ var _KHR_mesh_quantization__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! ./KHR_mesh_quantization */ "./glTF/2.0/Extensions/KHR_mesh_quantization.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_mesh_quantization", function() { return _KHR_mesh_quantization__WEBPACK_IMPORTED_MODULE_8__["KHR_mesh_quantization"]; });
 
-/* harmony import */ var _MSFT_audio_emitter__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! ./MSFT_audio_emitter */ "./glTF/2.0/Extensions/MSFT_audio_emitter.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_audio_emitter", function() { return _MSFT_audio_emitter__WEBPACK_IMPORTED_MODULE_9__["MSFT_audio_emitter"]; });
+/* harmony import */ var _KHR_texture_transform__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! ./KHR_texture_transform */ "./glTF/2.0/Extensions/KHR_texture_transform.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_texture_transform", function() { return _KHR_texture_transform__WEBPACK_IMPORTED_MODULE_9__["KHR_texture_transform"]; });
 
-/* harmony import */ var _MSFT_lod__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! ./MSFT_lod */ "./glTF/2.0/Extensions/MSFT_lod.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_lod", function() { return _MSFT_lod__WEBPACK_IMPORTED_MODULE_10__["MSFT_lod"]; });
+/* harmony import */ var _MSFT_audio_emitter__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! ./MSFT_audio_emitter */ "./glTF/2.0/Extensions/MSFT_audio_emitter.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_audio_emitter", function() { return _MSFT_audio_emitter__WEBPACK_IMPORTED_MODULE_10__["MSFT_audio_emitter"]; });
 
-/* harmony import */ var _MSFT_minecraftMesh__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! ./MSFT_minecraftMesh */ "./glTF/2.0/Extensions/MSFT_minecraftMesh.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_minecraftMesh", function() { return _MSFT_minecraftMesh__WEBPACK_IMPORTED_MODULE_11__["MSFT_minecraftMesh"]; });
+/* harmony import */ var _MSFT_lod__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! ./MSFT_lod */ "./glTF/2.0/Extensions/MSFT_lod.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_lod", function() { return _MSFT_lod__WEBPACK_IMPORTED_MODULE_11__["MSFT_lod"]; });
 
-/* harmony import */ var _MSFT_sRGBFactors__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! ./MSFT_sRGBFactors */ "./glTF/2.0/Extensions/MSFT_sRGBFactors.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_sRGBFactors", function() { return _MSFT_sRGBFactors__WEBPACK_IMPORTED_MODULE_12__["MSFT_sRGBFactors"]; });
+/* harmony import */ var _MSFT_minecraftMesh__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! ./MSFT_minecraftMesh */ "./glTF/2.0/Extensions/MSFT_minecraftMesh.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_minecraftMesh", function() { return _MSFT_minecraftMesh__WEBPACK_IMPORTED_MODULE_12__["MSFT_minecraftMesh"]; });
 
-/* harmony import */ var _ExtrasAsMetadata__WEBPACK_IMPORTED_MODULE_13__ = __webpack_require__(/*! ./ExtrasAsMetadata */ "./glTF/2.0/Extensions/ExtrasAsMetadata.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "ExtrasAsMetadata", function() { return _ExtrasAsMetadata__WEBPACK_IMPORTED_MODULE_13__["ExtrasAsMetadata"]; });
+/* harmony import */ var _MSFT_sRGBFactors__WEBPACK_IMPORTED_MODULE_13__ = __webpack_require__(/*! ./MSFT_sRGBFactors */ "./glTF/2.0/Extensions/MSFT_sRGBFactors.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_sRGBFactors", function() { return _MSFT_sRGBFactors__WEBPACK_IMPORTED_MODULE_13__["MSFT_sRGBFactors"]; });
 
+/* harmony import */ var _ExtrasAsMetadata__WEBPACK_IMPORTED_MODULE_14__ = __webpack_require__(/*! ./ExtrasAsMetadata */ "./glTF/2.0/Extensions/ExtrasAsMetadata.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "ExtrasAsMetadata", function() { return _ExtrasAsMetadata__WEBPACK_IMPORTED_MODULE_14__["ExtrasAsMetadata"]; });
+
+
 
 
 
@@ -6405,7 +6445,7 @@ _glTFFileLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFFileLoader"]._CreateGLTF2Loade
 /*!***************************!*\
   !*** ./glTF/2.0/index.ts ***!
   \***************************/
-/*! exports provided: ArrayItem, GLTFLoader, EXT_lights_image_based, KHR_draco_mesh_compression, KHR_lights, KHR_materials_pbrSpecularGlossiness, KHR_materials_unlit, KHR_materials_clearcoat, KHR_materials_sheen, KHR_materials_specular, KHR_texture_transform, MSFT_audio_emitter, MSFT_lod, MSFT_minecraftMesh, MSFT_sRGBFactors, ExtrasAsMetadata */
+/*! exports provided: ArrayItem, GLTFLoader, EXT_lights_image_based, KHR_draco_mesh_compression, KHR_lights, KHR_materials_pbrSpecularGlossiness, KHR_materials_unlit, KHR_materials_clearcoat, KHR_materials_sheen, KHR_materials_specular, KHR_mesh_quantization, KHR_texture_transform, MSFT_audio_emitter, MSFT_lod, MSFT_minecraftMesh, MSFT_sRGBFactors, ExtrasAsMetadata */
 /***/ (function(module, __webpack_exports__, __webpack_require__) {
 
 "use strict";
@@ -6432,6 +6472,8 @@ __webpack_require__.r(__webpack_exports__);
 
 /* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_materials_specular", function() { return _Extensions__WEBPACK_IMPORTED_MODULE_1__["KHR_materials_specular"]; });
 
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_mesh_quantization", function() { return _Extensions__WEBPACK_IMPORTED_MODULE_1__["KHR_mesh_quantization"]; });
+
 /* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_texture_transform", function() { return _Extensions__WEBPACK_IMPORTED_MODULE_1__["KHR_texture_transform"]; });
 
 /* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_audio_emitter", function() { return _Extensions__WEBPACK_IMPORTED_MODULE_1__["MSFT_audio_emitter"]; });

dist/preview release/loaders/babylonjs.loaders.d.ts

@@ -1800,6 +1800,25 @@ declare module BABYLON.GLTF2.Loader.Extensions {
 }
 declare module BABYLON.GLTF2.Loader.Extensions {
     /**
+     * [Specification](https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization)
+     */
+    export class KHR_mesh_quantization implements IGLTFLoaderExtension {
+        /**
+         * The name of this extension.
+         */
+        readonly name: string;
+        /**
+         * Defines whether this extension is enabled.
+         */
+        enabled: boolean;
+        /** @hidden */
+        constructor(loader: GLTFLoader);
+        /** @hidden */
+        dispose(): void;
+    }
+}
+declare module BABYLON.GLTF2.Loader.Extensions {
+    /**
      * [Specification](https://github.com/KhronosGroup/glTF/blob/master/extensions/2.0/Khronos/KHR_texture_transform/README.md)
      */
     export class KHR_texture_transform implements IGLTFLoaderExtension {

dist/preview release/loaders/babylonjs.loaders.js

@@ -4827,6 +4827,42 @@ _glTFLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFLoader"].RegisterExtension(NAME, f
 
 /***/ }),
 
+/***/ "./glTF/2.0/Extensions/KHR_mesh_quantization.ts":
+/*!******************************************************!*\
+  !*** ./glTF/2.0/Extensions/KHR_mesh_quantization.ts ***!
+  \******************************************************/
+/*! exports provided: KHR_mesh_quantization */
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+__webpack_require__.r(__webpack_exports__);
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "KHR_mesh_quantization", function() { return KHR_mesh_quantization; });
+/* harmony import */ var _glTFLoader__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../glTFLoader */ "./glTF/2.0/glTFLoader.ts");
+
+var NAME = "KHR_mesh_quantization";
+/**
+ * [Specification](https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization)
+ */
+var KHR_mesh_quantization = /** @class */ (function () {
+    /** @hidden */
+    function KHR_mesh_quantization(loader) {
+        /**
+         * The name of this extension.
+         */
+        this.name = NAME;
+        this.enabled = loader.isExtensionUsed(NAME);
+    }
+    /** @hidden */
+    KHR_mesh_quantization.prototype.dispose = function () {
+    };
+    return KHR_mesh_quantization;
+}());
+
+_glTFLoader__WEBPACK_IMPORTED_MODULE_0__["GLTFLoader"].RegisterExtension(NAME, function (loader) { return new KHR_mesh_quantization(loader); });
+
+
+/***/ }),
+
 /***/ "./glTF/2.0/Extensions/KHR_texture_transform.ts":
 /*!******************************************************!*\
   !*** ./glTF/2.0/Extensions/KHR_texture_transform.ts ***!
@@ -5564,7 +5600,7 @@ _glTFLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFLoader"].RegisterExtension(NAME, f
 /*!**************************************!*\
   !*** ./glTF/2.0/Extensions/index.ts ***!
   \**************************************/
-/*! exports provided: EXT_lights_image_based, KHR_draco_mesh_compression, KHR_lights, KHR_materials_pbrSpecularGlossiness, KHR_materials_unlit, KHR_materials_clearcoat, KHR_materials_sheen, KHR_materials_specular, KHR_texture_transform, MSFT_audio_emitter, MSFT_lod, MSFT_minecraftMesh, MSFT_sRGBFactors, ExtrasAsMetadata */
+/*! exports provided: EXT_lights_image_based, KHR_draco_mesh_compression, KHR_lights, KHR_materials_pbrSpecularGlossiness, KHR_materials_unlit, KHR_materials_clearcoat, KHR_materials_sheen, KHR_materials_specular, KHR_mesh_quantization, KHR_texture_transform, MSFT_audio_emitter, MSFT_lod, MSFT_minecraftMesh, MSFT_sRGBFactors, ExtrasAsMetadata */
 /***/ (function(module, __webpack_exports__, __webpack_require__) {
 
 "use strict";
@@ -5593,24 +5629,28 @@ __webpack_require__.r(__webpack_exports__);
 /* harmony import */ var _KHR_materials_specular__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! ./KHR_materials_specular */ "./glTF/2.0/Extensions/KHR_materials_specular.ts");
 /* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_materials_specular", function() { return _KHR_materials_specular__WEBPACK_IMPORTED_MODULE_7__["KHR_materials_specular"]; });
 
-/* harmony import */ var _KHR_texture_transform__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! ./KHR_texture_transform */ "./glTF/2.0/Extensions/KHR_texture_transform.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_texture_transform", function() { return _KHR_texture_transform__WEBPACK_IMPORTED_MODULE_8__["KHR_texture_transform"]; });
+/* harmony import */ var _KHR_mesh_quantization__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! ./KHR_mesh_quantization */ "./glTF/2.0/Extensions/KHR_mesh_quantization.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_mesh_quantization", function() { return _KHR_mesh_quantization__WEBPACK_IMPORTED_MODULE_8__["KHR_mesh_quantization"]; });
 
-/* harmony import */ var _MSFT_audio_emitter__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! ./MSFT_audio_emitter */ "./glTF/2.0/Extensions/MSFT_audio_emitter.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_audio_emitter", function() { return _MSFT_audio_emitter__WEBPACK_IMPORTED_MODULE_9__["MSFT_audio_emitter"]; });
+/* harmony import */ var _KHR_texture_transform__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! ./KHR_texture_transform */ "./glTF/2.0/Extensions/KHR_texture_transform.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_texture_transform", function() { return _KHR_texture_transform__WEBPACK_IMPORTED_MODULE_9__["KHR_texture_transform"]; });
 
-/* harmony import */ var _MSFT_lod__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! ./MSFT_lod */ "./glTF/2.0/Extensions/MSFT_lod.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_lod", function() { return _MSFT_lod__WEBPACK_IMPORTED_MODULE_10__["MSFT_lod"]; });
+/* harmony import */ var _MSFT_audio_emitter__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! ./MSFT_audio_emitter */ "./glTF/2.0/Extensions/MSFT_audio_emitter.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_audio_emitter", function() { return _MSFT_audio_emitter__WEBPACK_IMPORTED_MODULE_10__["MSFT_audio_emitter"]; });
 
-/* harmony import */ var _MSFT_minecraftMesh__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! ./MSFT_minecraftMesh */ "./glTF/2.0/Extensions/MSFT_minecraftMesh.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_minecraftMesh", function() { return _MSFT_minecraftMesh__WEBPACK_IMPORTED_MODULE_11__["MSFT_minecraftMesh"]; });
+/* harmony import */ var _MSFT_lod__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! ./MSFT_lod */ "./glTF/2.0/Extensions/MSFT_lod.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_lod", function() { return _MSFT_lod__WEBPACK_IMPORTED_MODULE_11__["MSFT_lod"]; });
 
-/* harmony import */ var _MSFT_sRGBFactors__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! ./MSFT_sRGBFactors */ "./glTF/2.0/Extensions/MSFT_sRGBFactors.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_sRGBFactors", function() { return _MSFT_sRGBFactors__WEBPACK_IMPORTED_MODULE_12__["MSFT_sRGBFactors"]; });
+/* harmony import */ var _MSFT_minecraftMesh__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! ./MSFT_minecraftMesh */ "./glTF/2.0/Extensions/MSFT_minecraftMesh.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_minecraftMesh", function() { return _MSFT_minecraftMesh__WEBPACK_IMPORTED_MODULE_12__["MSFT_minecraftMesh"]; });
 
-/* harmony import */ var _ExtrasAsMetadata__WEBPACK_IMPORTED_MODULE_13__ = __webpack_require__(/*! ./ExtrasAsMetadata */ "./glTF/2.0/Extensions/ExtrasAsMetadata.ts");
-/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "ExtrasAsMetadata", function() { return _ExtrasAsMetadata__WEBPACK_IMPORTED_MODULE_13__["ExtrasAsMetadata"]; });
+/* harmony import */ var _MSFT_sRGBFactors__WEBPACK_IMPORTED_MODULE_13__ = __webpack_require__(/*! ./MSFT_sRGBFactors */ "./glTF/2.0/Extensions/MSFT_sRGBFactors.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_sRGBFactors", function() { return _MSFT_sRGBFactors__WEBPACK_IMPORTED_MODULE_13__["MSFT_sRGBFactors"]; });
 
+/* harmony import */ var _ExtrasAsMetadata__WEBPACK_IMPORTED_MODULE_14__ = __webpack_require__(/*! ./ExtrasAsMetadata */ "./glTF/2.0/Extensions/ExtrasAsMetadata.ts");
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "ExtrasAsMetadata", function() { return _ExtrasAsMetadata__WEBPACK_IMPORTED_MODULE_14__["ExtrasAsMetadata"]; });
+
+
 
 
 
@@ -7738,7 +7778,7 @@ _glTFFileLoader__WEBPACK_IMPORTED_MODULE_1__["GLTFFileLoader"]._CreateGLTF2Loade
 /*!***************************!*\
   !*** ./glTF/2.0/index.ts ***!
   \***************************/
-/*! exports provided: ArrayItem, GLTFLoader, EXT_lights_image_based, KHR_draco_mesh_compression, KHR_lights, KHR_materials_pbrSpecularGlossiness, KHR_materials_unlit, KHR_materials_clearcoat, KHR_materials_sheen, KHR_materials_specular, KHR_texture_transform, MSFT_audio_emitter, MSFT_lod, MSFT_minecraftMesh, MSFT_sRGBFactors, ExtrasAsMetadata */
+/*! exports provided: ArrayItem, GLTFLoader, EXT_lights_image_based, KHR_draco_mesh_compression, KHR_lights, KHR_materials_pbrSpecularGlossiness, KHR_materials_unlit, KHR_materials_clearcoat, KHR_materials_sheen, KHR_materials_specular, KHR_mesh_quantization, KHR_texture_transform, MSFT_audio_emitter, MSFT_lod, MSFT_minecraftMesh, MSFT_sRGBFactors, ExtrasAsMetadata */
 /***/ (function(module, __webpack_exports__, __webpack_require__) {
 
 "use strict";
@@ -7765,6 +7805,8 @@ __webpack_require__.r(__webpack_exports__);
 
 /* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_materials_specular", function() { return _Extensions__WEBPACK_IMPORTED_MODULE_1__["KHR_materials_specular"]; });
 
+/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_mesh_quantization", function() { return _Extensions__WEBPACK_IMPORTED_MODULE_1__["KHR_mesh_quantization"]; });
+
 /* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "KHR_texture_transform", function() { return _Extensions__WEBPACK_IMPORTED_MODULE_1__["KHR_texture_transform"]; });
 
 /* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "MSFT_audio_emitter", function() { return _Extensions__WEBPACK_IMPORTED_MODULE_1__["MSFT_audio_emitter"]; });

dist/preview release/loaders/babylonjs.loaders.module.d.ts

@@ -1930,6 +1930,27 @@ declare module "babylonjs-loaders/glTF/2.0/Extensions/KHR_materials_specular" {
         private _loadSpecularPropertiesAsync;
     }
 }
+declare module "babylonjs-loaders/glTF/2.0/Extensions/KHR_mesh_quantization" {
+    import { IGLTFLoaderExtension } from "babylonjs-loaders/glTF/2.0/glTFLoaderExtension";
+    import { GLTFLoader } from "babylonjs-loaders/glTF/2.0/glTFLoader";
+    /**
+     * [Specification](https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization)
+     */
+    export class KHR_mesh_quantization implements IGLTFLoaderExtension {
+        /**
+         * The name of this extension.
+         */
+        readonly name: string;
+        /**
+         * Defines whether this extension is enabled.
+         */
+        enabled: boolean;
+        /** @hidden */
+        constructor(loader: GLTFLoader);
+        /** @hidden */
+        dispose(): void;
+    }
+}
 declare module "babylonjs-loaders/glTF/2.0/Extensions/KHR_texture_transform" {
     import { Nullable } from "babylonjs/types";
     import { BaseTexture } from "babylonjs/Materials/Textures/baseTexture";
@@ -2145,6 +2166,7 @@ declare module "babylonjs-loaders/glTF/2.0/Extensions/index" {
     export * from "babylonjs-loaders/glTF/2.0/Extensions/KHR_materials_clearcoat";
     export * from "babylonjs-loaders/glTF/2.0/Extensions/KHR_materials_sheen";
     export * from "babylonjs-loaders/glTF/2.0/Extensions/KHR_materials_specular";
+    export * from "babylonjs-loaders/glTF/2.0/Extensions/KHR_mesh_quantization";
     export * from "babylonjs-loaders/glTF/2.0/Extensions/KHR_texture_transform";
     export * from "babylonjs-loaders/glTF/2.0/Extensions/MSFT_audio_emitter";
     export * from "babylonjs-loaders/glTF/2.0/Extensions/MSFT_lod";
@@ -4319,6 +4341,25 @@ declare module BABYLON.GLTF2.Loader.Extensions {
 }
 declare module BABYLON.GLTF2.Loader.Extensions {
     /**
+     * [Specification](https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization)
+     */
+    export class KHR_mesh_quantization implements IGLTFLoaderExtension {
+        /**
+         * The name of this extension.
+         */
+        readonly name: string;
+        /**
+         * Defines whether this extension is enabled.
+         */
+        enabled: boolean;
+        /** @hidden */
+        constructor(loader: GLTFLoader);
+        /** @hidden */
+        dispose(): void;
+    }
+}
+declare module BABYLON.GLTF2.Loader.Extensions {
+    /**
      * [Specification](https://github.com/KhronosGroup/glTF/blob/master/extensions/2.0/Khronos/KHR_texture_transform/README.md)
      */
     export class KHR_texture_transform implements IGLTFLoaderExtension {

dist/preview release/viewer/babylon.module.d.ts

@@ -26345,6 +26345,11 @@ declare module "babylonjs/Particles/solidParticleSystem" {
         private _isNotBuilt;
         private _lastParticleId;
         private _idxOfId;
+        private _multimaterialEnabled;
+        private _indicesByMaterial;
+        private _materialIndexes;
+        private _depthSortFunction;
+        private _materialSortFunction;
         /**
          * Creates a SPS (Solid Particle System) object.
          * @param name (String) is the SPS name, this will be the underlying mesh name.
@@ -26353,6 +26358,7 @@ declare module "babylonjs/Particles/solidParticleSystem" {
          * * updatable (optional boolean, default true) : if the SPS must be updatable or immutable.
          * * isPickable (optional boolean, default false) : if the solid particles must be pickable.
          * * enableDepthSort (optional boolean, default false) : if the solid particles must be sorted in the geometry according to their distance to the camera.
+         * * enableMultiMaterial (optional boolean, default false) : if the solid particles can be given different materials.
          * * expandable (optional boolean, default false) : if particles can still be added after the initial SPS mesh creation.
          * * particleIntersection (optional boolean, default false) : if the solid particle intersections must be computed.
          * * boundingSphereOnly (optional boolean, default false) : if the particle intersection must be computed only with the bounding sphere (no bounding box computation, so faster).
@@ -26367,6 +26373,7 @@ declare module "babylonjs/Particles/solidParticleSystem" {
             boundingSphereOnly?: boolean;
             bSphereRadiusFactor?: number;
             expandable?: boolean;
+            enableMultiMaterial?: boolean;
         });
         /**
          * Builds the SPS underlying mesh. Returns a standard Mesh.
@@ -26544,6 +26551,21 @@ declare module "babylonjs/Particles/solidParticleSystem" {
          */
         getParticlesByShapeIdToRef(shapeId: number, ref: SolidParticle[]): SolidParticleSystem;
         /**
+         * Computes the required SubMeshes according the materials assigned to the particles.
+         * @returns the solid particle system.
+         * Does nothing if called before the SPS mesh is built.
+         */
+        computeSubMeshes(): SolidParticleSystem;
+        /**
+         * Sorts the solid particles by material when MultiMaterial is enabled.
+         * Updates the indices32 array.
+         * Updates the indicesByMaterial array.
+         * Updates the mesh indices array.
+         * @returns the SPS
+         * @hidden
+         */
+        private _sortParticlesByMaterial;
+        /**
          * Visibilty helper : Recomputes the visible size according to the mesh bounding box
          * doc : http://doc.babylonjs.com/how_to/Solid_Particle_System#sps-visibility
          * @returns the SPS.
@@ -26637,6 +26659,10 @@ declare module "babylonjs/Particles/solidParticleSystem" {
          */
         readonly expandable: boolean;
         /**
+         * Gets if the SPS supports the Multi Materials
+         */
+        readonly multimaterialEnabled: boolean;
+        /**
          * This function does nothing. It may be overwritten to set all the particle first values.
          * The SPS doesn't call this function, you may have to call it by your own.
          * doc : http://doc.babylonjs.com/how_to/Solid_Particle_System#particle-management
@@ -26802,6 +26828,10 @@ declare module "babylonjs/Particles/solidParticle" {
          */
         parentId: Nullable<number>;
         /**
+         * The particle material identifier (integer) when MultiMaterials are enabled in the SPS.
+         */
+        materialIndex: Nullable<number>;
+        /**
          * The culling strategy to use to check whether the solid particle must be culled or not when using isInFrustum().
          * The possible values are :
          * - AbstractMesh.CULLINGSTRATEGY_STANDARD
@@ -26828,8 +26858,9 @@ declare module "babylonjs/Particles/solidParticle" {
          * @param idxInShape (integer) is the index of the particle in the current model (ex: the 10th box of addShape(box, 30))
          * @param sps defines the sps it is associated to
          * @param modelBoundingInfo is the reference to the model BoundingInfo used for intersection computations.
+         * @param materialIndex is the particle material identifier (integer) when the MultiMaterials are enabled in the SPS.
          */
-        constructor(particleIndex: number, particleId: number, positionIndex: number, indiceIndex: number, model: Nullable<ModelShape>, shapeId: number, idxInShape: number, sps: SolidParticleSystem, modelBoundingInfo?: Nullable<BoundingInfo>);
+        constructor(particleIndex: number, particleId: number, positionIndex: number, indiceIndex: number, model: Nullable<ModelShape>, shapeId: number, idxInShape: number, sps: SolidParticleSystem, modelBoundingInfo?: Nullable<BoundingInfo>, materialIndex?: Nullable<number>);
         /**
          * Copies the particle property values into the existing target : position, rotation, scaling, uvs, colors, pivot, parent, visibility, alive
          * @param target the particle target
@@ -26929,6 +26960,7 @@ declare module "babylonjs/Particles/solidParticle" {
     }
     /**
      * Represents a Depth Sorted Particle in the solid particle system.
+     * @hidden
      */
     export class DepthSortedParticle {
         /**
@@ -26943,6 +26975,15 @@ declare module "babylonjs/Particles/solidParticle" {
          * Squared distance from the particle to the camera
          */
         sqDistance: number;
+        /**
+         * Material index when used with MultiMaterials
+         */
+        materialIndex: number;
+        /**
+         * Creates a new sorted particle
+         * @param materialIndex
+         */
+        constructor(materialIndex: number);
     }
 }
 declare module "babylonjs/Collisions/meshCollisionData" {
@@ -94061,6 +94102,11 @@ declare module BABYLON {
         private _isNotBuilt;
         private _lastParticleId;
         private _idxOfId;
+        private _multimaterialEnabled;
+        private _indicesByMaterial;
+        private _materialIndexes;
+        private _depthSortFunction;
+        private _materialSortFunction;
         /**
          * Creates a SPS (Solid Particle System) object.
          * @param name (String) is the SPS name, this will be the underlying mesh name.
@@ -94069,6 +94115,7 @@ declare module BABYLON {
          * * updatable (optional boolean, default true) : if the SPS must be updatable or immutable.
          * * isPickable (optional boolean, default false) : if the solid particles must be pickable.
          * * enableDepthSort (optional boolean, default false) : if the solid particles must be sorted in the geometry according to their distance to the camera.
+         * * enableMultiMaterial (optional boolean, default false) : if the solid particles can be given different materials.
          * * expandable (optional boolean, default false) : if particles can still be added after the initial SPS mesh creation.
          * * particleIntersection (optional boolean, default false) : if the solid particle intersections must be computed.
          * * boundingSphereOnly (optional boolean, default false) : if the particle intersection must be computed only with the bounding sphere (no bounding box computation, so faster).
@@ -94083,6 +94130,7 @@ declare module BABYLON {
             boundingSphereOnly?: boolean;
             bSphereRadiusFactor?: number;
             expandable?: boolean;
+            enableMultiMaterial?: boolean;
         });
         /**
          * Builds the SPS underlying mesh. Returns a standard Mesh.
@@ -94260,6 +94308,21 @@ declare module BABYLON {
          */
         getParticlesByShapeIdToRef(shapeId: number, ref: SolidParticle[]): SolidParticleSystem;
         /**
+         * Computes the required SubMeshes according the materials assigned to the particles.
+         * @returns the solid particle system.
+         * Does nothing if called before the SPS mesh is built.
+         */
+        computeSubMeshes(): SolidParticleSystem;
+        /**
+         * Sorts the solid particles by material when MultiMaterial is enabled.
+         * Updates the indices32 array.
+         * Updates the indicesByMaterial array.
+         * Updates the mesh indices array.
+         * @returns the SPS
+         * @hidden
+         */
+        private _sortParticlesByMaterial;
+        /**
          * Visibilty helper : Recomputes the visible size according to the mesh bounding box
          * doc : http://doc.babylonjs.com/how_to/Solid_Particle_System#sps-visibility
          * @returns the SPS.
@@ -94353,6 +94416,10 @@ declare module BABYLON {
          */
         readonly expandable: boolean;
         /**
+         * Gets if the SPS supports the Multi Materials
+         */
+        readonly multimaterialEnabled: boolean;
+        /**
          * This function does nothing. It may be overwritten to set all the particle first values.
          * The SPS doesn't call this function, you may have to call it by your own.
          * doc : http://doc.babylonjs.com/how_to/Solid_Particle_System#particle-management
@@ -94511,6 +94578,10 @@ declare module BABYLON {
          */
         parentId: Nullable<number>;
         /**
+         * The particle material identifier (integer) when MultiMaterials are enabled in the SPS.
+         */
+        materialIndex: Nullable<number>;
+        /**
          * The culling strategy to use to check whether the solid particle must be culled or not when using isInFrustum().
          * The possible values are :
          * - AbstractMesh.CULLINGSTRATEGY_STANDARD
@@ -94537,8 +94608,9 @@ declare module BABYLON {
          * @param idxInShape (integer) is the index of the particle in the current model (ex: the 10th box of addShape(box, 30))
          * @param sps defines the sps it is associated to
          * @param modelBoundingInfo is the reference to the model BoundingInfo used for intersection computations.
+         * @param materialIndex is the particle material identifier (integer) when the MultiMaterials are enabled in the SPS.
          */
-        constructor(particleIndex: number, particleId: number, positionIndex: number, indiceIndex: number, model: Nullable<ModelShape>, shapeId: number, idxInShape: number, sps: SolidParticleSystem, modelBoundingInfo?: Nullable<BoundingInfo>);
+        constructor(particleIndex: number, particleId: number, positionIndex: number, indiceIndex: number, model: Nullable<ModelShape>, shapeId: number, idxInShape: number, sps: SolidParticleSystem, modelBoundingInfo?: Nullable<BoundingInfo>, materialIndex?: Nullable<number>);
         /**
          * Copies the particle property values into the existing target : position, rotation, scaling, uvs, colors, pivot, parent, visibility, alive
          * @param target the particle target
@@ -94638,6 +94710,7 @@ declare module BABYLON {
     }
     /**
      * Represents a Depth Sorted Particle in the solid particle system.
+     * @hidden
      */
     export class DepthSortedParticle {
         /**
@@ -94652,6 +94725,15 @@ declare module BABYLON {
          * Squared distance from the particle to the camera
          */
         sqDistance: number;
+        /**
+         * Material index when used with MultiMaterials
+         */
+        materialIndex: number;
+        /**
+         * Creates a new sorted particle
+         * @param materialIndex
+         */
+        constructor(materialIndex: number);
     }
 }
 declare module BABYLON {

dist/preview release/viewer/babylonjs.loaders.module.d.ts

@@ -1930,6 +1930,27 @@ declare module "babylonjs-loaders/glTF/2.0/Extensions/KHR_materials_specular" {
         private _loadSpecularPropertiesAsync;
     }
 }
+declare module "babylonjs-loaders/glTF/2.0/Extensions/KHR_mesh_quantization" {
+    import { IGLTFLoaderExtension } from "babylonjs-loaders/glTF/2.0/glTFLoaderExtension";
+    import { GLTFLoader } from "babylonjs-loaders/glTF/2.0/glTFLoader";
+    /**
+     * [Specification](https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization)
+     */
+    export class KHR_mesh_quantization implements IGLTFLoaderExtension {
+        /**
+         * The name of this extension.
+         */
+        readonly name: string;
+        /**
+         * Defines whether this extension is enabled.
+         */
+        enabled: boolean;
+        /** @hidden */
+        constructor(loader: GLTFLoader);
+        /** @hidden */
+        dispose(): void;
+    }
+}
 declare module "babylonjs-loaders/glTF/2.0/Extensions/KHR_texture_transform" {
     import { Nullable } from "babylonjs/types";
     import { BaseTexture } from "babylonjs/Materials/Textures/baseTexture";
@@ -2145,6 +2166,7 @@ declare module "babylonjs-loaders/glTF/2.0/Extensions/index" {
     export * from "babylonjs-loaders/glTF/2.0/Extensions/KHR_materials_clearcoat";
     export * from "babylonjs-loaders/glTF/2.0/Extensions/KHR_materials_sheen";
     export * from "babylonjs-loaders/glTF/2.0/Extensions/KHR_materials_specular";
+    export * from "babylonjs-loaders/glTF/2.0/Extensions/KHR_mesh_quantization";
     export * from "babylonjs-loaders/glTF/2.0/Extensions/KHR_texture_transform";
     export * from "babylonjs-loaders/glTF/2.0/Extensions/MSFT_audio_emitter";
     export * from "babylonjs-loaders/glTF/2.0/Extensions/MSFT_lod";
@@ -4319,6 +4341,25 @@ declare module BABYLON.GLTF2.Loader.Extensions {
 }
 declare module BABYLON.GLTF2.Loader.Extensions {
     /**
+     * [Specification](https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization)
+     */
+    export class KHR_mesh_quantization implements IGLTFLoaderExtension {
+        /**
+         * The name of this extension.
+         */
+        readonly name: string;
+        /**
+         * Defines whether this extension is enabled.
+         */
+        enabled: boolean;
+        /** @hidden */
+        constructor(loader: GLTFLoader);
+        /** @hidden */
+        dispose(): void;
+    }
+}
+declare module BABYLON.GLTF2.Loader.Extensions {
+    /**
      * [Specification](https://github.com/KhronosGroup/glTF/blob/master/extensions/2.0/Khronos/KHR_texture_transform/README.md)
      */
     export class KHR_texture_transform implements IGLTFLoaderExtension {