OgreD3D9HardwarePixelBuffer.h
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    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