Source Insight快速查找变量被引用的情况

1. /* Called to create DirectDraw surface.
   
2.  * Note: we always return DDHAL_DRIVER_NOTHANDLED, which asks DirectDraw memory manager
   
3.  * to perform actual memory allocation in our DDraw heap.
   
4.  */
   
5. DWORD APIENTRY VBoxDispDDCreateSurface(PDD_CREATESURFACEDATA lpCreateSurface)
   
6. {
   
7.     PVBOXDISPDEV pDev = (PVBOXDISPDEV) lpCreateSurface->lpDD->dhpdev;
   
8.     LOGF_ENTER();
   
9. 
   
10.     PDD_SURFACE_LOCAL pSurf = lpCreateSurface->lplpSList[0];
    
11. 
    
12.     if (pSurf->ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
    
13.     {
    
14.         LOG(("primary surface"));
    
15.         pSurf->lpGbl->fpVidMem = 0;
    
16.     }
    
17.     else
    
18.     {
    
19.         LOG(("non primary surface"));
    
20.         pSurf->lpGbl->fpVidMem = DDHAL_PLEASEALLOC_BLOCKSIZE;
    
21.     }
    
22.     pSurf->lpGbl->dwReserved1 = 0;
    
23. 
    
24. #ifdef VBOX_WITH_VIDEOHWACCEL
    
25.     if(pDev->vhwa.bEnabled)
    
26.     {
    
27.         VBOXVHWACMD* pCmd;
    
28. 
    
29.         pCmd = VBoxDispVHWACommandCreate(pDev, VBOXVHWACMD_TYPE_SURF_CREATE, sizeof(VBOXVHWACMD_SURF_CREATE));
    
30.         if (pCmd)
    
31.         {
    
32.             VBOXVHWACMD_SURF_CREATE *pBody = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_SURF_CREATE);
    
33.             PVBOXVHWASURFDESC pDesc;
    
34.             。。。
35.         }
        }
    
36. 
    

1. VBOXVHWACMD_TYPE_SURF_CREATE
很明显，VBoxDispVHWACommandCreate创建了一个VBOXVHWACMD_TYPE_SURF_CREATE命令，并发送给应用层。
如果顺着代码找，需要大量时间。

因此，VBOXVHWACMD_TYPE_SURF_CREATE肯定有另一个地方会处理这个命令。
直接搜索这个命令VBOXVHWACMD_TYPE_SURF_CREATE，

2. 方法
1）View, Relation Window,鼠标定位到VBOXVHWACMD_TYPE_SURF_CREATE，右击，View relation, Referenced By functions
2)鼠标定位到VBOXVHWACMD_TYPE_SURF_CREATE,Ctrl + /, 搜索