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