d3dtypes.h

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/*==========================================================================;
 *
 *  Copyright (C) 1995-1996 Microsoft Corporation.  All Rights Reserved.
 *
 *  File:       d3dtypes.h
 *  Content:    Direct3D types include file
 *
 ***************************************************************************/

#ifndef _D3DTYPES_H_
#define _D3DTYPES_H_

#ifndef WIN32
#include "subwtype.h"
#else
#include <windows.h>
#endif

#include <ddraw.h>

#pragma pack(4)

#if defined(__cplusplus)
extern "C"
{
#endif

/* D3DVALUE is the fundamental Direct3D fractional data type */

#define D3DVALP(val, prec) ((float)(val))
#define D3DVAL(val) ((float)(val))
typedef float D3DVALUE, *LPD3DVALUE;
#define D3DDivide(a, b)    (float)((double) (a) / (double) (b))
#define D3DMultiply(a, b)    ((a) * (b))

typedef LONG D3DFIXED;

#ifndef RGB_MAKE
/*
 * Format of CI colors is
 *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *  |    alpha      |         color index           |   fraction    |
 *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */
#define CI_GETALPHA(ci)    ((ci) >> 24)
#define CI_GETINDEX(ci)    (((ci) >> 8) & 0xffff)
#define CI_GETFRACTION(ci) ((ci) & 0xff)
#define CI_ROUNDINDEX(ci)  CI_GETINDEX((ci) + 0x80)
#define CI_MASKALPHA(ci)   ((ci) & 0xffffff)
#define CI_MAKE(a, i, f)    (((a) << 24) | ((i) << 8) | (f))

/*
 * Format of RGBA colors is
 *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *  |    alpha      |      red      |     green     |     blue      |
 *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */
#define RGBA_GETALPHA(rgb)      ((rgb) >> 24)
#define RGBA_GETRED(rgb)        (((rgb) >> 16) & 0xff)
#define RGBA_GETGREEN(rgb)      (((rgb) >> 8) & 0xff)
#define RGBA_GETBLUE(rgb)       ((rgb) & 0xff)
#define RGBA_MAKE(r, g, b, a)   ((D3DCOLOR) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b)))

/* D3DRGB and D3DRGBA may be used as initialisers for D3DCOLORs
 * The float values must be in the range 0..1
 */
#define D3DRGB(r, g, b) \
    (0xff000000L | ( ((long)((r) * 255)) << 16) | (((long)((g) * 255)) << 8) | (long)((b) * 255))
#define D3DRGBA(r, g, b, a) \
    (   (((long)((a) * 255)) << 24) | (((long)((r) * 255)) << 16) \
    |   (((long)((g) * 255)) << 8) | (long)((b) * 255) \
    )

/*
 * Format of RGB colors is
 *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *  |    ignored    |      red      |     green     |     blue      |
 *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */
#define RGB_GETRED(rgb)         (((rgb) >> 16) & 0xff)
#define RGB_GETGREEN(rgb)       (((rgb) >> 8) & 0xff)
#define RGB_GETBLUE(rgb)        ((rgb) & 0xff)
#define RGBA_SETALPHA(rgba, x) (((x) << 24) | ((rgba) & 0x00ffffff))
#define RGB_MAKE(r, g, b)       ((D3DCOLOR) (((r) << 16) | ((g) << 8) | (b)))
#define RGBA_TORGB(rgba)       ((D3DCOLOR) ((rgba) & 0xffffff))
#define RGB_TORGBA(rgb)        ((D3DCOLOR) ((rgb) | 0xff000000))

#endif

/*
 * Flags for Enumerate functions
 */

/*
 * Stop the enumeration
 */
#define D3DENUMRET_CANCEL                        DDENUMRET_CANCEL

/*
 * Continue the enumeration
 */
#define D3DENUMRET_OK                            DDENUMRET_OK

typedef HRESULT (WINAPI* LPD3DVALIDATECALLBACK)(LPVOID lpUserArg, DWORD dwOffset);
typedef HRESULT (WINAPI* LPD3DENUMTEXTUREFORMATSCALLBACK)(LPDDSURFACEDESC lpDdsd, LPVOID lpContext);

typedef DWORD D3DCOLOR, D3DCOLOR, *LPD3DCOLOR;

typedef DWORD D3DMATERIALHANDLE, *LPD3DMATERIALHANDLE;
typedef DWORD D3DTEXTUREHANDLE, *LPD3DTEXTUREHANDLE;
typedef DWORD D3DMATRIXHANDLE, *LPD3DMATRIXHANDLE;

typedef struct _D3DCOLORVALUE {
    union {
        D3DVALUE r;
        D3DVALUE dvR;
    };
    union {
        D3DVALUE g;
        D3DVALUE dvG;
    };
    union {
        D3DVALUE b;
        D3DVALUE dvB;
    };
    union {
        D3DVALUE a;
        D3DVALUE dvA;
    };
} D3DCOLORVALUE;

typedef struct _D3DRECT {
    union {
        LONG x1;
        LONG lX1;
    };
    union {
        LONG y1;
        LONG lY1;
    };
    union {
        LONG x2;
        LONG lX2;
    };
    union {
        LONG y2;
        LONG lY2;
    };
} D3DRECT, *LPD3DRECT;

typedef struct _D3DVECTOR {
    union {
        D3DVALUE x;
        D3DVALUE dvX;
    };
    union {
        D3DVALUE y;
        D3DVALUE dvY;
    };
    union {
        D3DVALUE z;
        D3DVALUE dvZ;
    };
} D3DVECTOR, *LPD3DVECTOR;


/*
 * Vertex data types supported in an ExecuteBuffer.
 */

/*
 * Homogeneous vertices
 */

typedef struct _D3DHVERTEX {
    DWORD           dwFlags;        /* Homogeneous clipping flags */
    union {
        D3DVALUE    hx;
        D3DVALUE    dvHX;
    };
    union {
        D3DVALUE    hy;
        D3DVALUE    dvHY;
    };
    union {
        D3DVALUE    hz;
        D3DVALUE    dvHZ;
    };
} D3DHVERTEX, *LPD3DHVERTEX;

/*
 * Transformed/lit vertices
 */
typedef struct _D3DTLVERTEX {
    union {
        D3DVALUE    sx;             /* Screen coordinates */
        D3DVALUE    dvSX;
    };
    union {
        D3DVALUE    sy;
        D3DVALUE    dvSY;
    };
    union {
        D3DVALUE    sz;
        D3DVALUE    dvSZ;
    };
    union {
        D3DVALUE    rhw;            /* Reciprocal of homogeneous w */
        D3DVALUE    dvRHW;
    };
    union {
        D3DCOLOR    color;          /* Vertex color */
        D3DCOLOR    dcColor;
    };
    union {
        D3DCOLOR    specular;       /* Specular component of vertex */
        D3DCOLOR    dcSpecular;
    };
    union {
        D3DVALUE    tu;             /* Texture coordinates */
        D3DVALUE    dvTU;
    };
    union {
        D3DVALUE    tv;
        D3DVALUE    dvTV;
    };
} D3DTLVERTEX, *LPD3DTLVERTEX;

/*
 * Untransformed/lit vertices
 */
typedef struct _D3DLVERTEX {
    union {
        D3DVALUE     x;             /* Homogeneous coordinates */
        D3DVALUE     dvX;
    };
    union {
        D3DVALUE     y;
        D3DVALUE     dvY;
    };
    union {
        D3DVALUE     z;
        D3DVALUE     dvZ;
    };
    DWORD            dwReserved;
    union {
        D3DCOLOR     color;         /* Vertex color */
        D3DCOLOR     dcColor;
    };
    union {
        D3DCOLOR     specular;      /* Specular component of vertex */
        D3DCOLOR     dcSpecular;
    };
    union {
        D3DVALUE     tu;            /* Texture coordinates */
        D3DVALUE     dvTU;
    };
    union {
        D3DVALUE     tv;
        D3DVALUE     dvTV;
    };
} D3DLVERTEX, *LPD3DLVERTEX;

/*
 * Untransformed/unlit vertices
 */

typedef struct _D3DVERTEX {
    union {
        D3DVALUE     x;             /* Homogeneous coordinates */
        D3DVALUE     dvX;
    };
    union {
        D3DVALUE     y;
        D3DVALUE     dvY;
    };
    union {
        D3DVALUE     z;
        D3DVALUE     dvZ;
    };
    union {
        D3DVALUE     nx;            /* Normal */
        D3DVALUE     dvNX;
    };
    union {
        D3DVALUE     ny;
        D3DVALUE     dvNY;
    };
    union {
        D3DVALUE     nz;
        D3DVALUE     dvNZ;
    };
    union {
        D3DVALUE     tu;            /* Texture coordinates */
        D3DVALUE     dvTU;
    };
    union {
        D3DVALUE     tv;
        D3DVALUE     dvTV;
    };
} D3DVERTEX, *LPD3DVERTEX;

/*
 * Matrix, viewport, and tranformation structures and definitions.
 */

typedef struct _D3DMATRIX {
    D3DVALUE        _11, _12, _13, _14;
    D3DVALUE        _21, _22, _23, _24;
    D3DVALUE        _31, _32, _33, _34;
    D3DVALUE        _41, _42, _43, _44;
} D3DMATRIX, *LPD3DMATRIX;

typedef struct _D3DVIEWPORT {
    DWORD       dwSize;
    DWORD       dwX;
    DWORD       dwY;            /* Top left */
    DWORD       dwWidth;
    DWORD       dwHeight;       /* Dimensions */