Material: Add missing blend parameters to `toJSON()`. (#26947)

src/loaders/MaterialLoader.js

@@ -122,11 +122,16 @@ class MaterialLoader extends Loader {
 		if ( json.transparent !== undefined ) material.transparent = json.transparent;
 		if ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;
 		if ( json.alphaHash !== undefined ) material.alphaHash = json.alphaHash;
+		if ( json.depthFunc !== undefined ) material.depthFunc = json.depthFunc;
 		if ( json.depthTest !== undefined ) material.depthTest = json.depthTest;
 		if ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;
 		if ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;
-
-		if ( json.stencilWrite !== undefined ) material.stencilWrite = json.stencilWrite;
+		if ( json.blendSrc !== undefined ) material.blendSrc = json.blendSrc;
+		if ( json.blendDst !== undefined ) material.blendDst = json.blendDst;
+		if ( json.blendEquation !== undefined ) material.blendEquation = json.blendEquation;
+		if ( json.blendSrcAlpha !== undefined ) material.blendSrcAlpha = json.blendSrcAlpha;
+		if ( json.blendDstAlpha !== undefined ) material.blendDstAlpha = json.blendDstAlpha;
+		if ( json.blendEquationAlpha !== undefined ) material.blendEquationAlpha = json.blendEquationAlpha;
 		if ( json.stencilWriteMask !== undefined ) material.stencilWriteMask = json.stencilWriteMask;
 		if ( json.stencilFunc !== undefined ) material.stencilFunc = json.stencilFunc;
 		if ( json.stencilRef !== undefined ) material.stencilRef = json.stencilRef;
@@ -134,6 +139,7 @@ class MaterialLoader extends Loader {
 		if ( json.stencilFail !== undefined ) material.stencilFail = json.stencilFail;
 		if ( json.stencilZFail !== undefined ) material.stencilZFail = json.stencilZFail;
 		if ( json.stencilZPass !== undefined ) material.stencilZPass = json.stencilZPass;
+		if ( json.stencilWrite !== undefined ) material.stencilWrite = json.stencilWrite;
 
 		if ( json.wireframe !== undefined ) material.wireframe = json.wireframe;
 		if ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;

src/materials/Material.js

@@ -325,19 +325,26 @@ class Material extends EventDispatcher {
 		if ( this.opacity < 1 ) data.opacity = this.opacity;
 		if ( this.transparent === true ) data.transparent = true;
 
-		data.depthFunc = this.depthFunc;
-		data.depthTest = this.depthTest;
-		data.depthWrite = this.depthWrite;
-		data.colorWrite = this.colorWrite;
-
-		data.stencilWrite = this.stencilWrite;
-		data.stencilWriteMask = this.stencilWriteMask;
-		data.stencilFunc = this.stencilFunc;
-		data.stencilRef = this.stencilRef;
-		data.stencilFuncMask = this.stencilFuncMask;
-		data.stencilFail = this.stencilFail;
-		data.stencilZFail = this.stencilZFail;
-		data.stencilZPass = this.stencilZPass;
+		if ( this.blendSrc !== SrcAlphaFactor ) data.blendSrc = this.blendSrc;
+		if ( this.blendDst !== OneMinusSrcAlphaFactor ) data.blendDst = this.blendDst;
+		if ( this.blendEquation !== AddEquation ) data.blendEquation = this.blendEquation;
+		if ( this.blendSrcAlpha !== null ) data.blendSrcAlpha = this.blendSrcAlpha;
+		if ( this.blendDstAlpha !== null ) data.blendDstAlpha = this.blendDstAlpha;
+		if ( this.blendEquationAlpha !== null ) data.blendEquationAlpha = this.blendEquationAlpha;
+
+		if ( this.depthFunc !== LessEqualDepth ) data.depthFunc = this.depthFunc;
+		if ( this.depthTest === false ) data.depthTest = this.depthTest;
+		if ( this.depthWrite === false ) data.depthWrite = this.depthWrite;
+		if ( this.colorWrite === false ) data.colorWrite = this.colorWrite;
+
+		if ( this.stencilWriteMask !== 0xff ) data.stencilWriteMask = this.stencilWriteMask;
+		if ( this.stencilFunc !== AlwaysStencilFunc ) data.stencilFunc = this.stencilFunc;
+		if ( this.stencilRef !== 0 ) data.stencilRef = this.stencilRef;
+		if ( this.stencilFuncMask !== 0xff ) data.stencilFuncMask = this.stencilFuncMask;
+		if ( this.stencilFail !== KeepStencilOp ) data.stencilFail = this.stencilFail;
+		if ( this.stencilZFail !== KeepStencilOp ) data.stencilZFail = this.stencilZFail;
+		if ( this.stencilZPass !== KeepStencilOp ) data.stencilZPass = this.stencilZPass;
+		if ( this.stencilWrite === true ) data.stencilWrite = this.stencilWrite;
 
 		// rotation (SpriteMaterial)
 		if ( this.rotation !== undefined && this.rotation !== 0 ) data.rotation = this.rotation;