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Object-Oriented Graphics Rendering Engine
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OgreD3D11HardwarePixelBuffer.h
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4 (Object-oriented Graphics Rendering Engine)
5 For the latest info, see http://www.ogre3d.org/
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28 #ifndef __D3D11PIXELBUFFER_H__
29 #define __D3D11PIXELBUFFER_H__
30 
31 #include "OgreD3D11Prerequisites.h"
33 #include "OgreD3D11Driver.h"
34 
35 struct ID3D11Resource;
36 
37 namespace Ogre {
38 
40  {
41  protected:
43  PixelBox lockImpl(const Image::Box &lockBox, LockOptions options);
44 
46  void unlockImpl(void);
47 
50 
53 
54  // if the usage is static - alloc at lock then use device UpdateSubresource when unlock and free memory
56 
57  size_t mFace;
58 
62 
63  D3D11_BOX OgreImageBoxToDx11Box(const Image::Box &inBox) const;
64 
66  void fromD3DLock(PixelBox &rval, const DXGI_MAPPED_RECT &lrect);
67 
71 
72  void createStagingBuffer();
74  ID3D11Resource *mStagingBuffer;
75 
76  void _map(ID3D11Resource *res, D3D11_MAP flags, PixelBox & box);
77  void *_mapstagingbuffer(D3D11_MAP flags);
79  void _unmap(ID3D11Resource *res);
80  void _unmapstagingbuffer(bool copyback = true);
81  void _unmapstaticbuffer();
82  public:
83  D3D11HardwarePixelBuffer(D3D11Texture * parentTexture, D3D11Device & device, size_t subresourceIndex,
84  size_t width, size_t height, size_t depth, size_t face, PixelFormat format, HardwareBuffer::Usage usage);
85 
87  void blit(const HardwarePixelBufferSharedPtr &src, const Image::Box &srcBox, const Image::Box &dstBox);
88 
90  void blitFromMemory(const PixelBox &src, const Image::Box &dstBox);
91 
93  void blitToMemory(const Image::Box &srcBox, const PixelBox &dst);
94 
96  void _genMipmaps();
97 
98 
100 
102  RenderTexture *getRenderTarget(size_t zoffset);
103 
105  virtual void _clearSliceRTT(size_t zoffset)
106  {
107  if (mSliceTRT.size() > zoffset)
108  {
109  mSliceTRT[zoffset] = 0;
110  }
111  }
112 
113  D3D11Texture * getParentTexture() const;
114  size_t getSubresourceIndex() const;
115  size_t getFace() const;
116  };
117 };
118 #endif
D3D11_BOX OgreImageBoxToDx11Box(const Image::Box &inBox) const
This class represents a RenderTarget that renders to a Texture.
vector< RenderTexture * >::type SliceTRT
Render targets.
void unlockImpl(void)
Unlock a box.
void fromD3DLock(PixelBox &rval, const DXGI_MAPPED_RECT &lrect)
Util functions to convert a D3D locked box to a pixel box.
void * _mapstagingbuffer(D3D11_MAP flags)
void _unmap(ID3D11Resource *res)
void _genMipmaps()
Internal function to update mipmaps on update of level 0.
void * _mapstaticbuffer(PixelBox lock)
void blit(const HardwarePixelBufferSharedPtr &src, const Image::Box &srcBox, const Image::Box &dstBox)
Copies a box from another PixelBuffer to a region of the this PixelBuffer.
PixelBox lockImpl(const Image::Box &lockBox, LockOptions options)
Lock a box.
LockOptions
Locking options.
Structure used to define a box in a 3-D integer space.
Definition: OgreCommon.h:689
PixelFormat
The pixel format used for images, textures, and render surfaces.
void blitFromMemory(const PixelBox &src, const Image::Box &dstBox)
Copies a region from normal memory to a region of this pixelbuffer.
void _map(ID3D11Resource *res, D3D11_MAP flags, PixelBox &box)
Usage
Enums describing buffer usage; not mutually exclusive.
D3D11Texture * getParentTexture() const
Shared pointer implementation used to share pixel buffers.
Specialisation of HardwareBuffer for a pixel buffer.
void blitToMemory(const Image::Box &srcBox, const PixelBox &dst)
Copies a region of this pixelbuffer to normal memory.
virtual void _clearSliceRTT(size_t zoffset)
Notify TextureBuffer of destruction of render target.
signed char int8
Definition: OgrePlatform.h:425
void _unmapstagingbuffer(bool copyback=true)
D3D11Device & mDevice
D3DDevice pointer.
virtual const PixelBox & lock(const Image::Box &lockBox, LockOptions options)
Lock the buffer for (potentially) reading / writing.
RenderTexture * getRenderTarget(size_t zoffset)
Get rendertarget for z slice.
size_t getSubresourceIndex() const
D3D11HardwarePixelBuffer(D3D11Texture *parentTexture, D3D11Device &device, size_t subresourceIndex, size_t width, size_t height, size_t depth, size_t face, PixelFormat format, HardwareBuffer::Usage usage)