From 8581c7924e83c5e455d25d47e2a288bfe404c0a7 Mon Sep 17 00:00:00 2001
From: shrekshao <shrekshao@gmail.com>
Date: Wed, 27 Jul 2016 15:50:49 -0400
Subject: [PATCH] some fix for stencilbuffer

---
 dev-scripts.json                              |  2 ++
 src/core/display/chunks/stencilBufferChunk.js |  2 ++
 src/core/scene/stencilBuffer.js               | 10 +++++-----
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/dev-scripts.json b/dev-scripts.json
index 8e5148b0..aefc5cb5 100644
--- a/dev-scripts.json
+++ b/dev-scripts.json
@@ -52,6 +52,7 @@
         "src/core/scene/name.js",
         "src/core/scene/renderer.js",
         "src/core/scene/depthBuffer.js",
+        "src/core/scene/stencilBuffer.js",
         "src/core/scene/colorBuffer.js",
         "src/core/scene/view.js",
         "src/core/scene/scene.js",
@@ -95,6 +96,7 @@
         "src/core/display/chunks/rendererChunk.js",
         "src/core/display/chunks/regionMapChunk.js",
         "src/core/display/chunks/depthBufferChunk.js",
+        "src/core/display/chunks/stencilBufferChunk.js",
         "src/core/display/chunks/colorBufferChunk.js",
         "src/core/display/chunks/viewChunk.js",
         "src/core/display/chunks/shaderChunk.js",
diff --git a/src/core/display/chunks/stencilBufferChunk.js b/src/core/display/chunks/stencilBufferChunk.js
index 376565c2..d1b476f9 100644
--- a/src/core/display/chunks/stencilBufferChunk.js
+++ b/src/core/display/chunks/stencilBufferChunk.js
@@ -37,6 +37,8 @@ SceneJS_ChunkFactory.createChunkType({
             frameCtx.stencilFunc = stencilFunc;
         }
 
+        var stencilOp = this.core.stencilOp;
+
         if (frameCtx.stencilOp != stencilOp) {
             gl.stencilOp(stencilOp.sfail, stencilOp.dpfail, stencilOp.dppass);
             frameCtx.stencilOp = stencilOp;
diff --git a/src/core/scene/stencilBuffer.js b/src/core/scene/stencilBuffer.js
index 6c8b7ad0..52e1bc4f 100644
--- a/src/core/scene/stencilBuffer.js
+++ b/src/core/scene/stencilBuffer.js
@@ -26,7 +26,7 @@
     var defaultCore = {
         type: "stencilBuffer",
         stateId: SceneJS._baseStateId++,
-        enabled: true,
+        enabled: false,
         clearStencil: 1,
         stencilFunc: {func: null, ref: 1, mask: 0xff}, // Lazy init stencilFunc when we can get a context
         stencilOp: {sfail: null, dpfail: null, dppass: null}, 
@@ -40,12 +40,12 @@
     SceneJS_events.addListener(
         SceneJS_events.SCENE_COMPILING,
         function (params) {
-            if (defaultCore.stencilFunc === null) { // Lazy-init stencilFunc now we can get a context
+            if (defaultCore.stencilFunc.func === null) { // Lazy-init stencilFunc now we can get a context
                 defaultCore.stencilFunc.func = params.engine.canvas.gl.ALWAYS;
                 
-                defaultCore.stencilFunc.sfail = params.engine.canvas.gl.KEEP;
-                defaultCore.stencilFunc.dpfail = params.engine.canvas.gl.KEEP;
-                defaultCore.stencilFunc.dppass = params.engine.canvas.gl.KEEP;
+                defaultCore.stencilOp.sfail = params.engine.canvas.gl.KEEP;
+                defaultCore.stencilOp.dpfail = params.engine.canvas.gl.KEEP;
+                defaultCore.stencilOp.dppass = params.engine.canvas.gl.KEEP;
             }
             params.engine.display.stencilBuffer = defaultCore;
             stackLen = 0;