/*---------------------------------------------------------------------------*

  Copyright (C) Nintendo.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

 *---------------------------------------------------------------------------*/
// -------------------------------------------------------
// DDS.h
//
// Declares functions for DDS Reader.
// -------------------------------------------------------
#ifndef DDS_H
#define DDS_H

#include "TexConvert.h"

namespace DDSReader
{
#define PAD_BYTE(width, bpp) (((bpp) * (width) + 7) / 8)
#define PAD_WORD(width, bpp) ((((bpp) * (width) + 15) / 16) * 2)
#define PAD_WORD_SIZE(size) ((size + 1) & (~0x1))
#define PAD_DWORD(width, bpp) ((((bpp) * (width) + 31) / 32) * 4)
#define PAD_DWORD_SIZE(size) ((size + 3) & (~0x3))

// Required for 64bit compatability
typedef struct _DDSD2
{
    u32               dwSize;                 // size of the DDSURFACEDESC structure
    u32               dwFlags;                // determines what fields are valid
    u32               dwHeight;               // height of surface to be created
    u32               dwWidth;                // width of input surface
    union
    {
        LONG            lPitch;                 // distance to start of next line (return value only)
        u32           dwLinearSize;           // Formless late-allocated optimized surface size
    } DUMMYUNIONNAMEN(1);
    union
    {
        u32           dwBackBufferCount;      // number of back buffers requested
        u32           dwDepth;                // the depth if this is a volume texture
    } DUMMYUNIONNAMEN(5);
    union
    {
        u32           dwMipMapCount;          // number of mip-map levels requestde
        // dwZBufferBitDepth removed, use ddpfPixelFormat one instead
        u32           dwRefreshRate;          // refresh rate (used when display mode is described)
        u32           dwSrcVBHandle;          // The source used in VB::Optimize
    } DUMMYUNIONNAMEN(2);
    u32               dwAlphaBitDepth;        // depth of alpha buffer requested
    u32               dwReserved;             // reserved
    void* POINTER_32	lpSurface;              // pointer to the associated surface memory
    union
    {
        DDCOLORKEY      ddckCKDestOverlay;      // color key for destination overlay use
        u32           dwEmptyFaceColor;       // Physical color for empty cubemap faces
    } DUMMYUNIONNAMEN(3);
    DDCOLORKEY          ddckCKDestBlt;          // color key for destination blt use
    DDCOLORKEY          ddckCKSrcOverlay;       // color key for source overlay use
    DDCOLORKEY          ddckCKSrcBlt;           // color key for source blt use
    union
    {
        DDPIXELFORMAT   ddpfPixelFormat;        // pixel format description of the surface
        u32           dwFVF;                  // vertex format description of vertex buffers
    } DUMMYUNIONNAMEN(4);
    DDSCAPS2            ddsCaps;                // direct draw surface capabilities
    u32               dwTextureStage;         // stage in multitexture cascade
} DDSD2;

}   //namespace DDSReader
#endif  //#ifndef DDS_H