OgreD3D9HardwarePixelBuffer.h
Go to the documentation of this file.
00001 /*
00002 -----------------------------------------------------------------------------
00003 This source file is part of OGRE
00004     (Object-oriented Graphics Rendering Engine)
00005 For the latest info, see http://www.ogre3d.org/
00006 
00007 Copyright (c) 2000-2012 Torus Knot Software Ltd
00008 
00009 Permission is hereby granted, free of charge, to any person obtaining a copy
00010 of this software and associated documentation files (the "Software"), to deal
00011 in the Software without restriction, including without limitation the rights
00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00013 copies of the Software, and to permit persons to whom the Software is
00014 furnished to do so, subject to the following conditions:
00015 
00016 The above copyright notice and this permission notice shall be included in
00017 all copies or substantial portions of the Software.
00018 
00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00025 THE SOFTWARE.
00026 -----------------------------------------------------------------------------
00027 */
00028 #ifndef __D3D9PIXELBUFFER_H__
00029 #define __D3D9PIXELBUFFER_H__
00030 
00031 #include "OgreD3D9Prerequisites.h"
00032 #include "OgreHardwarePixelBuffer.h"
00033 
00034 namespace Ogre {
00035 
00036     class D3D9Texture;
00037     class D3D9RenderTexture;
00038 
00039     class _OgreD3D9Export D3D9HardwarePixelBuffer: public HardwarePixelBuffer
00040     {
00041     protected:      
00042         struct BufferResources
00043         {           
00045             IDirect3DSurface9* surface;
00047             IDirect3DSurface9* fSAASurface;
00049             IDirect3DVolume9* volume;
00051             IDirect3DSurface9* tempSurface;
00053             IDirect3DVolume9* tempVolume;
00055             IDirect3DBaseTexture9 *mipTex;          
00056         };
00057 
00058         typedef map<IDirect3DDevice9*, BufferResources*>::type  DeviceToBufferResourcesMap;
00059         typedef DeviceToBufferResourcesMap::iterator            DeviceToBufferResourcesIterator;
00060 
00062         DeviceToBufferResourcesMap  mMapDeviceToBufferResources;
00063                 
00065         bool mDoMipmapGen;
00066         bool mHWMipmaps;
00067         
00069         D3D9RenderTexture* mRenderTexture;
00070 
00071         // The owner texture if exists.
00072         D3D9Texture* mOwnerTexture;
00073         
00074         // The current lock flags of this surface.
00075         DWORD mLockFlags;
00076 
00077         // Device access mutex.
00078         OGRE_STATIC_MUTEX(msDeviceAccessMutex)      
00079     protected:
00081         PixelBox lockImpl(const Image::Box lockBox,  LockOptions options);
00082         PixelBox lockBuffer(BufferResources* bufferResources, const Image::Box &lockBox, DWORD flags);
00083 
00085         void unlockImpl(void);
00086         void unlockBuffer(BufferResources* bufferResources);
00087 
00088         BufferResources* getBufferResources(IDirect3DDevice9* d3d9Device);
00089         BufferResources* createBufferResources();
00090     
00092         void updateRenderTexture(bool writeGamma, uint fsaa, const String& srcName);
00094         void destroyRenderTexture();
00095 
00096         void blit(IDirect3DDevice9* d3d9Device, const HardwarePixelBufferSharedPtr &src,
00097                 const Image::Box &srcBox, const Image::Box &dstBox, 
00098                 BufferResources* srcBufferResources, 
00099                 BufferResources* dstBufferResources);
00100         void blitFromMemory(const PixelBox &src, const Image::Box &dstBox, BufferResources* dstBufferResources);
00101 
00102         void blitToMemory(const Image::Box &srcBox, const PixelBox &dst, BufferResources* srcBufferResources, IDirect3DDevice9* d3d9Device);
00103             
00104     public:
00105         D3D9HardwarePixelBuffer(HardwareBuffer::Usage usage, 
00106             D3D9Texture* ownerTexture);
00107         ~D3D9HardwarePixelBuffer();
00108 
00110         void bind(IDirect3DDevice9 *dev, IDirect3DSurface9 *mSurface, IDirect3DSurface9* fsaaSurface,
00111                   bool writeGamma, uint fsaa, const String& srcName, IDirect3DBaseTexture9 *mipTex);
00112         void bind(IDirect3DDevice9 *dev, IDirect3DVolume9 *mVolume, IDirect3DBaseTexture9 *mipTex);
00113         
00115         void blit(const HardwarePixelBufferSharedPtr &src, const Image::Box &srcBox, const Image::Box &dstBox);
00116         
00118         void blitFromMemory(const PixelBox &src, const Image::Box &dstBox);
00119     
00121         void blitToMemory(const Image::Box &srcBox, const PixelBox &dst);
00122         
00124         void _genMipmaps(IDirect3DBaseTexture9* mipTex);
00125         
00127         void _setMipmapping(bool doMipmapGen, bool HWMipmaps);
00128         
00129         
00131         RenderTexture *getRenderTarget(size_t zoffset);
00132 
00134         IDirect3DSurface9 *getSurface(IDirect3DDevice9* d3d9Device);
00135         
00137         IDirect3DSurface9 *getFSAASurface(IDirect3DDevice9* d3d9Device);
00138 
00140         virtual void _clearSliceRTT(size_t zoffset);
00141 
00143         void releaseSurfaces(IDirect3DDevice9* d3d9Device);
00144 
00146         void destroyBufferResources(IDirect3DDevice9* d3d9Device);
00147 
00148         // Called when device state is changing. Access to any device should be locked.
00149         // Relevant for multi thread application.
00150         static void lockDeviceAccess();
00151 
00152         // Called when device state change completed. Access to any device is allowed.
00153         // Relevant for multi thread application.
00154         static void unlockDeviceAccess();
00155     };
00156 };
00157 #endif

Copyright © 2012 Torus Knot Software Ltd
Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:21