F:/My Projects/LSEngine/Modules/LSImageLib/Src/Dds/LSIDds.h

#ifndef __LSI_DDS_H__
#define __LSI_DDS_H__

#include "../LSIImageLib.h"
#include "Vector/LSTLVector.h"

namespace lsi {

        // == Enumerations.
        enum LSI_DDS_PIXEL_FORMAT_FLAGS {
                LSI_DPFF_ALPHAPIXELS                    = 0x1,                                          
                LSI_DPFF_ALPHA                                  = 0x2,                                          
                LSI_DPFF_FOURCC                                 = 0x4,                                          
                LSI_DPFF_RGB                                    = 0x40,                                         
                LSI_DPFF_YUV                                    = 0x200,                                        
                LSI_DPFF_LUMINANCE                              = 0x20000,                                      
        };

        enum LSI_DDS_FLAGS {
                LSI_DF_CAPS                                             = 0x1,                                          
                LSI_DF_HEIGHT                                   = 0x2,                                          
                LSI_DF_WIDTH                                    = 0x4,                                          
                LSI_DF_PITCH                                    = 0x8,                                          
                LSI_DF_PIXELFORMAT                              = 0x1000,                                       
                LSI_DF_MIPMAPCOUNT                              = 0x20000,                                      
                LSI_DF_LINEARSIZE                               = 0x80000,                                      
                LSI_DF_DEPTH                                    = 0x800000,                                     
        };

        class CDds {
        public :
                // == Types.
#pragma pack( push, 1 )
                typedef struct LSI_DDS_PIXELFORMAT {
                        LSUINT32                                        ui32Size;
                        LSUINT32                                        ui32Flags;
                        LSUINT32                                        ui32FourCC;
                        LSUINT32                                        ui32RGBBitCount;
                        LSUINT32                                        ui32RBitMask;
                        LSUINT32                                        ui32GBitMask;
                        LSUINT32                                        ui32BBitMask;
                        LSUINT32                                        ui32ABitMask;
                } * LPLSI_DDS_PIXELFORMAT, * const LPCLSI_DDS_PIXELFORMAT;
#pragma pack( pop )

#pragma pack( push, 1 )
                typedef struct LSI_DDS_HEADER {
                        LSUINT32                                        ui32Size;
                        LSUINT32                                        ui32Flags;
                        LSUINT32                                        ui32Height;
                        LSUINT32                                        ui32Width;
                        LSUINT32                                        ui32PitchOrLinearSize;
                        LSUINT32                                        ui32Depth;
                        LSUINT32                                        ui32MipMapCount;
                        LSUINT32                                        ui32Reserved1[11];
                        LSI_DDS_PIXELFORMAT                     dpPixelFormat;
                        LSUINT32                                        ui32Caps;
                        LSUINT32                                        ui32Caps2;
                        LSUINT32                                        ui32Caps3;
                        LSUINT32                                        ui32Caps4;
                        LSUINT32                                        ui32Reserved2;
                } * LPLSI_DDS_HEADER, * const LPCLSI_DDS_HEADER;
#pragma pack( pop )


                // == Functions.
                static LSBOOL LSE_CALL                          LoadDds( const LSUINT8 * _pui8FileData, LSUINT32 _ui32DataLen,
                        LSUINT32 &_ui32Width, LSUINT32 &_ui32Height, LSI_PIXEL_FORMAT &_pfFormat,
                        CImageLib::CTexelBuffer &_tbReturn,
                        CVector<CImageLib::CTexelBuffer> &_vMipMaps );

                static LSUINT32 LSE_CALL                        DdsBlockSize( LSI_PIXEL_FORMAT _pfFormat );

                static LSI_PIXEL_FORMAT LSE_CALL        DdsPixelFormat( LSUINT32 _ui32FourCc );

                static LSUINT32 LSE_CALL                        DdsScanlineWidth( LSUINT32 _ui32Width, LSI_PIXEL_FORMAT _pfFormat );

                static LSUINT32 LSE_CALL                        DdsTotalScanlines( LSUINT32 _ui32Height );

                static LSUINT32 LSE_CALL                        GetCompressedSize( LSUINT32 _ui32Width, LSUINT32 _ui32Height, LSUINT32 _ui32Factor );

        protected :
                // == Functions.
                

        };

}       // namespace lsi

#endif  // __LSI_DDS_H__