add transparent flag to render command

cocos/3d/CCBillBoard.cpp

@@ -148,7 +148,8 @@ void BillBoard::draw(Renderer *renderer, const Mat4 &transform, uint32_t flags)
     //FIXME: frustum culling here
     {
         _quadCommand.init(_zDepthInView, _texture->getName(), getGLProgramState(), _blendFunc, &_quad, 1, _billboardTransform);
-        renderer->addCommandToTransparentQueue(&_quadCommand);
+        _quadCommand.setTransparent(true);
+        renderer->addCommand(&_quadCommand);
     }
 }
 

cocos/3d/CCSprite3D.cpp

@@ -521,10 +521,8 @@ void Sprite3D::draw(Renderer *renderer, const Mat4 &transform, uint32_t flags)
         }
         //support tint and fade
         meshCommand.setDisplayColor(Vec4(color.r, color.g, color.b, color.a));
-        if  (mesh->_isTransparent)
-            renderer->addCommandToTransparentQueue(&meshCommand);
-        else
-            renderer->addCommand(&meshCommand);
+        meshCommand.setTransparent(mesh->_isTransparent);
+        renderer->addCommand(&meshCommand);
     }
 }
 

cocos/renderer/CCRenderCommand.cpp

@@ -30,6 +30,7 @@ NS_CC_BEGIN
 RenderCommand::RenderCommand()
 : _type(RenderCommand::Type::UNKNOWN_COMMAND)
 , _globalOrder(0)
+, _isTransparent(false)
 {
 }
 

cocos/renderer/CCRenderCommand.h

@@ -59,6 +59,12 @@ public:
     /** Returns the Command type */
     inline Type getType() const { return _type; }
     
+    /** Retruns whether is transparent */
+    inline bool isTransparent() const { return _isTransparent; }
+    
+    /** set transparent flag */
+    inline void setTransparent(bool isTransparent) { _isTransparent = isTransparent; }
+
 protected:
     RenderCommand();
     virtual ~RenderCommand();
@@ -70,6 +76,8 @@ protected:
 
     // commands are sort by depth
     float _globalOrder;
+    
+    bool  _isTransparent;
 };
 
 NS_CC_END

cocos/renderer/CCRenderer.cpp

@@ -268,12 +268,10 @@ void Renderer::addCommand(RenderCommand* command, int renderQueue)
     CCASSERT(!_isRendering, "Cannot add command while rendering");
     CCASSERT(renderQueue >=0, "Invalid render queue");
     CCASSERT(command->getType() != RenderCommand::Type::UNKNOWN_COMMAND, "Invalid Command Type");
-    _renderGroups[renderQueue].push_back(command);
-}
-
-void Renderer::addCommandToTransparentQueue(RenderCommand* command)
-{
-    _transparentRenderGroups.push_back(command);
+    if (command->isTransparent())
+        _transparentRenderGroups.push_back(command);
+    else
+        _renderGroups[renderQueue].push_back(command);
 }
 
 void Renderer::pushGroup(int renderQueueID)

cocos/renderer/CCRenderer.h

@@ -109,9 +109,6 @@ public:
     /** Adds a `RenderComamnd` into the renderer specifying a particular render queue ID */
     void addCommand(RenderCommand* command, int renderQueue);
 
-    /** add transprent command */
-    void addCommandToTransparentQueue(RenderCommand* command);
-
     /** Pushes a group into the render queue */
     void pushGroup(int renderQueueID);