mirror of
https://github.com/libretro/RetroArch.git
synced 2024-10-08 07:03:30 +00:00
130 lines
4.5 KiB
C++
130 lines
4.5 KiB
C++
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2013 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2013 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef RARCH_XDK_RESOURCE_H
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#define RARCH_XDK_RESOURCE_H
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#include "xdk_defines.h"
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DWORD XBResource_SizeOf( LPDIRECT3DRESOURCE pResource );
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//structure member offsets matter
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struct XBRESOURCE
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{
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#if defined(_XBOX1)
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CHAR* strName;
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DWORD dwOffset;
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#elif defined(_XBOX360)
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DWORD dwType;
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DWORD dwOffset;
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DWORD dwSize;
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CHAR* strName;
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#endif
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};
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enum
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{
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RESOURCETYPE_USERDATA = ( ( 'U' << 24 ) | ( 'S' << 16 ) | ( 'E' << 8 ) | ( 'R' ) ),
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RESOURCETYPE_TEXTURE = ( ( 'T' << 24 ) | ( 'X' << 16 ) | ( '2' << 8 ) | ( 'D' ) ),
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RESOURCETYPE_VERTEXBUFFER = ( ( 'V' << 24 ) | ( 'B' << 16 ) | ( 'U' << 8 ) | ( 'F' ) ),
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RESOURCETYPE_INDEXBUFFER = ( ( 'I' << 24 ) | ( 'B' << 16 ) | ( 'U' << 8 ) | ( 'F' ) ),
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RESOURCETYPE_EOF = 0xffffffff
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};
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class PackedResource
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{
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protected:
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BYTE* m_pSysMemData; // Alloc'ed memory for resource headers etc.
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DWORD m_dwSysMemDataSize;
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BYTE* m_pVidMemData; // Alloc'ed memory for resource data, etc.
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DWORD m_dwVidMemDataSize;
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XBRESOURCE* m_pResourceTags; // Tags to associate names with the resources
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DWORD m_dwNumResourceTags; // Number of resource tags
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BOOL m_bInitialized; // Resource is fully initialized
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public:
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// Loads the resources out of the specified bundle
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#if defined(_XBOX1)
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HRESULT Create( const char *strFilename, DWORD dwNumResourceTags = 0L,
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XBRESOURCE* pResourceTags = NULL );
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#elif defined(_XBOX360)
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HRESULT Create( const char * strFilename );
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#endif
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void Destroy();
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BOOL Initialized() const;
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#ifdef _XBOX360
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// Retrieves the resource tags
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void GetResourceTags( DWORD* pdwNumResourceTags, XBRESOURCE** ppResourceTags );
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#endif
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// Helper function to make sure a resource is registered
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LPDIRECT3DRESOURCE RegisterResource( LPDIRECT3DRESOURCE pResource ) const
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{
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#ifdef _XBOX1
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// Register the resource, if it has not yet been registered. We mark
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// a resource as registered by upping it's reference count.
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if( pResource && ( pResource->Common & D3DCOMMON_REFCOUNT_MASK ) == 1 )
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{
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// Special case CPU-copy push buffers (which live in system memory)
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if( ( pResource->Common & D3DCOMMON_TYPE_PUSHBUFFER ) &&
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( pResource->Common & D3DPUSHBUFFER_RUN_USING_CPU_COPY ) )
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pResource->Data += (DWORD)m_pSysMemData;
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else
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pResource->Register( m_pVidMemData );
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pResource->AddRef();
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}
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#endif
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return pResource;
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}
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// Functions to retrieve resources by their offset
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void *GetData( DWORD dwOffset ) const
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{ return &m_pSysMemData[dwOffset]; }
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LPDIRECT3DRESOURCE GetResource( DWORD dwOffset ) const
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{ return RegisterResource( (LPDIRECT3DRESOURCE)GetData(dwOffset) ); }
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LPDIRECT3DTEXTURE GetTexture( DWORD dwOffset ) const
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{ return (LPDIRECT3DTEXTURE)GetResource( dwOffset ); }
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LPDIRECT3DVERTEXBUFFER GetVertexBuffer( DWORD dwOffset ) const
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{ return (LPDIRECT3DVERTEXBUFFER)GetResource( dwOffset ); }
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// Functions to retrieve resources by their name
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void *GetData( const CHAR* strName ) const;
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LPDIRECT3DRESOURCE GetResource( const CHAR* strName ) const
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{ return RegisterResource( (LPDIRECT3DRESOURCE)GetData( strName ) ); }
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LPDIRECT3DTEXTURE GetTexture( const CHAR* strName ) const
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{ return (LPDIRECT3DTEXTURE)GetResource( strName ); }
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LPDIRECT3DVERTEXBUFFER GetVertexBuffer( const CHAR* strName ) const
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{ return (LPDIRECT3DVERTEXBUFFER)GetResource( strName ); }
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// Constructor/destructor
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PackedResource();
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~PackedResource();
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};
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#endif /* RARCH_XDK_RESOURCE_H */
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