src/subpic/DX9SubPic.h

   1 /*
   2  *      Copyright (C) 2003-2006 Gabest
   3  *      http://www.gabest.org
   4  *
   5  *  This Program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2, or (at your option)
   8  *  any later version.
   9  *
  10  *  This Program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with GNU Make; see the file COPYING.  If not, write to
  17  *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  18  *  http://www.gnu.org/copyleft/gpl.html
  19  *
  20  */
  21
  22 #pragma once
  23
  24 #include "SubPicImpl.h"
  25 #include "SubPicAllocatorPresenterImpl.h"
  26 #include <d3d9.h>
  27
  28 // CDX9SubPic
  29
  30 class CVirtualLock
  31 {
  32 public:
  33         virtual void Lock() = 0;
  34         virtual void Unlock() = 0;
  35 };
  36 typedef void (FLock)(void *_pLock);
  37 class CScopeLock
  38 {
  39         void *m_pLock;
  40         FLock *m_pUnlockFunc;
  41 public:
  42         CScopeLock() {}; // let's make cppcheck happy
  43         template <typename t_Lock>
  44         class TCLocker
  45         {
  46         public:
  47                 static void fs_Locker(void *_pLock) {
  48                         ((t_Lock *)_pLock)->Unlock();
  49                 }
  50         };
  51         template <typename t_Lock>
  52         CScopeLock(t_Lock &_Lock) {
  53                 _Lock.Lock();
  54                 m_pLock = &_Lock;
  55                 m_pUnlockFunc = TCLocker<t_Lock>::fs_Locker;
  56         }
  57         ~CScopeLock() {
  58                 m_pUnlockFunc(m_pLock);
  59         }
  60 };
  61 class CDX9SubPicAllocator;
  62 class CDX9SubPic : public CSubPicImpl
  63 {
  64         CComPtr<IDirect3DSurface9> m_pSurface;
  65
  66 protected:
  67         STDMETHODIMP_(void*) GetObject() const; // returns IDirect3DTexture9*
  68
  69 public:
  70         CDX9SubPicAllocator *m_pAllocator;
  71         bool m_bExternalRenderer;
  72         CDX9SubPic(IDirect3DSurface9* pSurface, CDX9SubPicAllocator *pAllocator, bool bExternalRenderer);
  73         ~CDX9SubPic();
  74
  75         // ISubPic
  76         STDMETHODIMP GetDesc(SubPicDesc& spd) const;
  77         STDMETHODIMP CopyTo(ISubPic* pSubPic);
  78         STDMETHODIMP ClearDirtyRect(DWORD color);
  79         STDMETHODIMP Lock(SubPicDesc& spd);
  80         STDMETHODIMP Unlock(RECT* pDirtyRect);
  81         STDMETHODIMP AlphaBlt(const RECT* pSrc, const RECT* pDst, SubPicDesc* pTarget);
  82 };
  83
  84 // CDX9SubPicAllocator
  85
  86 class CDX9SubPicAllocator : public CSubPicAllocatorImpl, public CCritSec
  87 {
  88         CComPtr<IDirect3DDevice9> m_pD3DDev;
  89         CSize m_maxsize;
  90         bool m_bExternalRenderer;
  91
  92         bool Alloc(bool fStatic, ISubPic** ppSubPic);
  93
  94 public:
  95         static CCritSec ms_SurfaceQueueLock;
  96         CAtlList<CComPtr<IDirect3DSurface9> > m_FreeSurfaces;
  97         CAtlList<CDX9SubPic *> m_AllocatedSurfaces;
  98         void GetStats(int &_nFree, int &_nAlloc);
  99         CDX9SubPicAllocator(IDirect3DDevice9* pD3DDev, SIZE maxsize, bool fPow2Textures, bool bExternalRenderer);
 100         ~CDX9SubPicAllocator();
 101         void ClearCache();
 102
 103         // ISubPicAllocator
 104         STDMETHODIMP ChangeDevice(IUnknown* pDev);
 105         STDMETHODIMP SetMaxTextureSize(SIZE MaxTextureSize);
 106 };
 107