source: OGRE/trunk/ogrenew/RenderSystems/Direct3D9/include/OgreD3D9HardwarePixelBuffer.h @ 692

Revision 692, 3.6 KB checked in by mattausch, 19 years ago (diff)

adding ogre 1.2 and dependencies

Line 
1/*
2-----------------------------------------------------------------------------
3This source file is part of OGRE
4    (Object-oriented Graphics Rendering Engine)
5For the latest info, see http://www.ogre3d.org/
6
7Copyright (c) 2000-2005 The OGRE Team
8Also see acknowledgements in Readme.html
9
10This program is free software; you can redistribute it and/or modify it under
11the terms of the GNU Lesser General Public License as published by the Free Software
12Foundation; either version 2 of the License, or (at your option) any later
13version.
14
15This program is distributed in the hope that it will be useful, but WITHOUT
16ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
18
19You should have received a copy of the GNU Lesser General Public License along with
20this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21Place - Suite 330, Boston, MA 02111-1307, USA, or go to
22http://www.gnu.org/copyleft/lesser.txt.
23-----------------------------------------------------------------------------
24*/
25#ifndef __D3D9PIXELBUFFER_H__
26#define __D3D9PIXELBUFFER_H__
27
28#include "OgreD3D9Prerequisites.h"
29#include "OgreHardwarePixelBuffer.h"
30
31#include <d3d9.h>
32#include <d3dx9.h>
33namespace Ogre {
34
35        class D3D9HardwarePixelBuffer: public HardwarePixelBuffer
36        {
37        protected:
38                /// Lock a box
39                PixelBox lockImpl(const Image::Box lockBox,  LockOptions options);
40
41                /// Unlock a box
42                void unlockImpl(void);
43
44                /// Create (or update) render textures for slices
45                void createRenderTextures(bool update);
46                /// Destroy render textures for slices
47                void destroyRenderTextures();
48               
49                /// D3DDevice pointer
50                IDirect3DDevice9 *mpDev;
51               
52                /// Surface abstracted by this buffer
53                IDirect3DSurface9 *mSurface;
54                /// Volume abstracted by this buffer
55                IDirect3DVolume9 *mVolume;
56                /// Temporary surface in main memory if direct locking of mSurface is not possible
57                IDirect3DSurface9 *mTempSurface;
58                /// Temporary volume in main memory if direct locking of mVolume is not possible
59                IDirect3DVolume9 *mTempVolume;
60               
61                /// Mipmapping
62                bool mDoMipmapGen;
63                bool mHWMipmaps;
64                IDirect3DBaseTexture9 *mMipTex;
65
66                /// Render targets
67                typedef std::vector<RenderTexture*> SliceTRT;
68        SliceTRT mSliceTRT;
69        public:
70                D3D9HardwarePixelBuffer(HardwareBuffer::Usage usage);
71               
72                /// Call this to associate a D3D surface or volume with this pixel buffer
73                void bind(IDirect3DDevice9 *dev, IDirect3DSurface9 *mSurface, bool update);
74                void bind(IDirect3DDevice9 *dev, IDirect3DVolume9 *mVolume, bool update);
75               
76                /// @copydoc HardwarePixelBuffer::blit
77        void blit(const HardwarePixelBufferSharedPtr &src, const Image::Box &srcBox, const Image::Box &dstBox);
78               
79                /// @copydoc HardwarePixelBuffer::blitFromMemory
80                void blitFromMemory(const PixelBox &src, const Image::Box &dstBox);
81               
82                /// @copydoc HardwarePixelBuffer::blitToMemory
83                void blitToMemory(const Image::Box &srcBox, const PixelBox &dst);
84               
85                /// Internal function to update mipmaps on update of level 0
86                void _genMipmaps();
87               
88                /// Function to set mipmap generation
89                void _setMipmapping(bool doMipmapGen, bool HWMipmaps, IDirect3DBaseTexture9 *mipTex);
90               
91                ~D3D9HardwarePixelBuffer();
92
93                /// Get rendertarget for z slice
94                RenderTexture *getRenderTarget(size_t zoffset);
95
96                /// Accessor for surface
97                IDirect3DSurface9 *getSurface() { return mSurface; }
98
99                /// Notify TextureBuffer of destruction of render target
100        virtual void _clearSliceRTT(size_t zoffset)
101        {
102            mSliceTRT[zoffset] = 0;
103        }
104        };
105};
106#endif
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