moved CreatePipeline functions to RenderPass class.

inc/hgl/graph/VKPipeline.h

@@ -17,7 +17,7 @@ class Pipeline
     
 private:
 
-    friend class GPUDevice;
+    friend class RenderPass;
 
     Pipeline(VkDevice dev,VkPipeline p,PipelineData *pd)
     {
@@ -35,8 +35,6 @@ public:
 
     operator VkPipeline(){return pipeline;}
 
-    const PipelineData *GetData()const{return data;}
-
     const bool IsAlphaTest()const{return data->alpha_test>0;}
     const bool IsAlphaBlend()const{return data->alpha_blend;}
 };//class GraphicsPipeline