OgreD3D11HardwarePixelBuffer.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 __D3D11PIXELBUFFER_H__
    00029 #define __D3D11PIXELBUFFER_H__
    00030
    00031 #include "OgreD3D11Prerequisites.h"
    00032 #include "OgreHardwarePixelBuffer.h"
    00033 #include "OgreD3D11Driver.h"
    00034
    00035 namespace Ogre {
    00036
    00037     class D3D11HardwarePixelBuffer: public HardwarePixelBuffer
    00038     {
    00039     protected:
    00041         PixelBox lockImpl(const Image::Box lockBox,  LockOptions options);
    00042
    00044         void unlockImpl(void);
    00045
    00047         D3D11Device & mDevice;
    00048
    00049         D3D11Texture * mParentTexture;
    00050         size_t mSubresourceIndex;
    00051
    00052         // if the usage is static - alloc at lock then use device UpdateSubresource when unlock and free memory
    00053         int8 * mDataForStaticUsageLock;
    00054
    00055         size_t mFace;
    00056
    00057         Image::Box mLockBox;
    00058         PixelBox mCurrentLock;
    00059
    00060         D3D11_BOX OgreImageBoxToDx11Box(const Image::Box &inBox) const;
    00061
    00063         void fromD3DLock(PixelBox &rval, const DXGI_MAPPED_RECT &lrect);
    00064
    00066         typedef vector<RenderTexture*>::type SliceTRT;
    00067         SliceTRT mSliceTRT;
    00068     public:
    00069         D3D11HardwarePixelBuffer(D3D11Texture * parentTexture, D3D11Device & device, size_t subresourceIndex,
    00070             size_t width, size_t height, size_t depth, size_t face, PixelFormat format, HardwareBuffer::Usage usage);
    00071
    00073         void blit(const HardwarePixelBufferSharedPtr &src, const Image::Box &srcBox, const Image::Box &dstBox);
    00074
    00076         void blitFromMemory(const PixelBox &src, const Image::Box &dstBox);
    00077
    00079         void blitToMemory(const Image::Box &srcBox, const PixelBox &dst);
    00080
    00082         void _genMipmaps();
    00083
    00084
    00085         ~D3D11HardwarePixelBuffer();
    00086
    00088         RenderTexture *getRenderTarget(size_t zoffset);
    00089
    00091         virtual void _clearSliceRTT(size_t zoffset)
    00092         {
    00093             if (mSliceTRT.size() > zoffset)
    00094             {
    00095                 mSliceTRT[zoffset] = 0;
    00096             }
    00097         }
    00098
    00099         D3D11Texture * getParentTexture() const;
    00100         size_t getSubresourceIndex() const;
    00101         size_t getFace() const;
    00102     };
    00103 };
    00104 #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