ddraw.h

quake1游戏源码

/*
 * Indicates that this surface can be used as a 3D texture.  It does not
 * indicate whether or not the surface is being used for that purpose.
 */
#define DDSCAPS_TEXTURE                         0x00001000l

/*
 * Indicates that a surface may be a destination for 3D rendering.  This
 * bit must be set in order to query for a Direct3D Device Interface 
 * from this surface.
 */
#define DDSCAPS_3DDEVICE                        0x00002000l

/*
 * Indicates that this surface exists in video memory.
 */
#define DDSCAPS_VIDEOMEMORY                     0x00004000l

/*
 * Indicates that changes made to this surface are immediately visible.  
 * It is always set for the primary surface and is set for overlays while
 * they are being overlayed and texture maps while they are being textured.
 */
#define DDSCAPS_VISIBLE                         0x00008000l

/*
 * Indicates that only writes are permitted to the surface.  Read accesses 
 * from the surface may or may not generate a protection fault, but the 
 * results of a read from this surface will not be meaningful.  READ ONLY.
 */
#define DDSCAPS_WRITEONLY                       0x00010000l

/*
 * Indicates that this surface is a z buffer. A z buffer does not contain
 * displayable information.  Instead it contains bit depth information that is
 * used to determine which pixels are visible and which are obscured. 
 */
#define DDSCAPS_ZBUFFER                         0x00020000l

/*
 * Indicates surface will have a DC associated long term
 */
#define DDSCAPS_OWNDC                           0x00040000l

/*
 * Indicates surface should be able to receive live video
 */
#define DDSCAPS_LIVEVIDEO                       0x00080000l

/*
 * Indicates surface should be able to have a stream decompressed
 * to it by the hardware.
 */
#define DDSCAPS_HWCODEC                         0x00100000l

/*
 * Surface is a 320x200 or 320x240 ModeX surface
 */
#define DDSCAPS_MODEX                           0x00200000l

/*
 * Indicates surface is one level of a mip-map. This surface will
 * be attached to other DDSCAPS_MIPMAP surfaces to form the mip-map.
 * This can be done explicitly, by creating a number of surfaces and
 * attaching them with AddAttachedSurface or by implicitly by CreateSurface.
 * If this bit is set then DDSCAPS_TEXTURE must also be set.
 */
#define DDSCAPS_MIPMAP                          0x00400000l



/*
 * Indicates that memory for the surface is not allocated until the surface
 * is loaded (via the Direct3D texture Load() function).
 */
#define DDSCAPS_ALLOCONLOAD                     0x04000000l



 /****************************************************************************
 *
 * DIRECTDRAW DRIVER CAPABILITY FLAGS
 *
 ****************************************************************************/

/*
 * Display hardware has 3D acceleration.
 */
#define DDCAPS_3D                       0x00000001l

/*
 * Indicates that DirectDraw will support only dest rectangles that are aligned
 * on DIRECTDRAWCAPS.dwAlignBoundaryDest boundaries of the surface, respectively.
 * READ ONLY.
 */
#define DDCAPS_ALIGNBOUNDARYDEST        0x00000002l

/*
 * Indicates that DirectDraw will support only source rectangles  whose sizes in 
 * BYTEs are DIRECTDRAWCAPS.dwAlignSizeDest multiples, respectively.  READ ONLY.
 */
#define DDCAPS_ALIGNSIZEDEST            0x00000004l
/*
 * Indicates that DirectDraw will support only source rectangles that are aligned
 * on DIRECTDRAWCAPS.dwAlignBoundarySrc boundaries of the surface, respectively.
 * READ ONLY.
 */
#define DDCAPS_ALIGNBOUNDARYSRC         0x00000008l

/*
 * Indicates that DirectDraw will support only source rectangles  whose sizes in 
 * BYTEs are DIRECTDRAWCAPS.dwAlignSizeSrc multiples, respectively.  READ ONLY.
 */
#define DDCAPS_ALIGNSIZESRC             0x00000010l

/*
 * Indicates that DirectDraw will create video memory surfaces that have a stride 
 * alignment equal to DIRECTDRAWCAPS.dwAlignStride.  READ ONLY.
 */
#define DDCAPS_ALIGNSTRIDE              0x00000020l

/*
 * Display hardware is capable of blt operations.
 */
#define DDCAPS_BLT                      0x00000040l

/*
 * Display hardware is capable of asynchronous blt operations.
 */
#define DDCAPS_BLTQUEUE                 0x00000080l

/*
 * Display hardware is capable of color space conversions during the blt operation.
 */
#define DDCAPS_BLTFOURCC                0x00000100l

/*
 * Display hardware is capable of stretching during blt operations.
 */
#define DDCAPS_BLTSTRETCH               0x00000200l

/*
 * Display hardware is shared with GDI.
 */
#define DDCAPS_GDI                      0x00000400l

/*
 * Display hardware can overlay.
 */
#define DDCAPS_OVERLAY                  0x00000800l

/*
 * Set if display hardware supports overlays but can not clip them.
 */
#define DDCAPS_OVERLAYCANTCLIP          0x00001000l

/*
 * Indicates that overlay hardware is capable of color space conversions during
 * the overlay operation.
 */
#define DDCAPS_OVERLAYFOURCC            0x00002000l

/*
 * Indicates that stretching can be done by the overlay hardware.
 */
#define DDCAPS_OVERLAYSTRETCH           0x00004000l

/*
 * Indicates that unique DirectDrawPalettes can be created for DirectDrawSurfaces
 * other than the primary surface.
 */
#define DDCAPS_PALETTE                  0x00008000l

/*
 * Indicates that palette changes can be syncd with the veritcal refresh.
 */
#define DDCAPS_PALETTEVSYNC             0x00010000l

/*
 * Display hardware can return the current scan line.
 */
#define DDCAPS_READSCANLINE             0x00020000l

/*
 * Display hardware has stereo vision capabilities.  DDSCAPS_PRIMARYSURFACELEFT 
 * can be created.
 */
#define DDCAPS_STEREOVIEW               0x00040000l

/*
 * Display hardware is capable of generating a vertical blank interrupt.
 */
#define DDCAPS_VBI                      0x00080000l

/*
 * Supports the use of z buffers with blt operations.
 */
#define DDCAPS_ZBLTS                    0x00100000l

/*
 * Supports Z Ordering of overlays.
 */
#define DDCAPS_ZOVERLAYS                0x00200000l

/*
 * Supports color key
 */
#define DDCAPS_COLORKEY                 0x00400000l

/*
 * Supports alpha surfaces
 */
#define DDCAPS_ALPHA                    0x00800000l

/*
 * colorkey is hardware assisted(DDCAPS_COLORKEY will also be set)
 */
#define DDCAPS_COLORKEYHWASSIST         0x01000000l

/*
 * no hardware support at all
 */
#define DDCAPS_NOHARDWARE               0x02000000l

/*
 * Display hardware is capable of color fill with bltter
 */
#define DDCAPS_BLTCOLORFILL             0x04000000l

/*
 * Display hardware is bank switched, and potentially very slow at
 * random access to VRAM.
 */
#define DDCAPS_BANKSWITCHED             0x08000000l

/*
 * Display hardware is capable of depth filling Z-buffers with bltter
 */
#define DDCAPS_BLTDEPTHFILL             0x10000000l

/*
 * Display hardware is capable of clipping while bltting.
 */
#define DDCAPS_CANCLIP                  0x20000000l

/*
 * Display hardware is capable of clipping while stretch bltting.
 */
#define DDCAPS_CANCLIPSTRETCHED         0x40000000l

/*
 * Display hardware is capable of bltting to or from system memory
 */
#define DDCAPS_CANBLTSYSMEM             0x80000000l


 /****************************************************************************
 *
 * MORE DIRECTDRAW DRIVER CAPABILITY FLAGS (dwCaps2)
 *
 ****************************************************************************/

/*
 * Display hardware is certified
 */
#define DDCAPS2_CERTIFIED               0x00000001l

/*
 * Driver cannot interleave 2D operations (lock and blt) to surfaces with
 * Direct3D rendering operations between calls to BeginScene() and EndScene()
 */
#define DDCAPS2_NO2DDURING3DSCENE       0x00000002l

/****************************************************************************
 *
 * DIRECTDRAW FX ALPHA CAPABILITY FLAGS
 *
 ****************************************************************************/

/*
 * Supports alpha blending around the edge of a source color keyed surface.
 * For Blt.
 */
#define DDFXALPHACAPS_BLTALPHAEDGEBLEND         0x00000001l

/*
 * Supports alpha information in the pixel format.  The bit depth of alpha 
 * information in the pixel format can be 1,2,4, or 8.  The alpha value becomes
 * more opaque as the alpha value increases.  (0 is transparent.)
 * For Blt.
 */
#define DDFXALPHACAPS_BLTALPHAPIXELS            0x00000002l

/*
 * Supports alpha information in the pixel format.  The bit depth of alpha 
 * information in the pixel format can be 1,2,4, or 8.  The alpha value 
 * becomes more transparent as the alpha value increases.  (0 is opaque.) 
 * This flag can only be set if DDCAPS_ALPHA is set.
 * For Blt.
 */
#define DDFXALPHACAPS_BLTALPHAPIXELSNEG         0x00000004l

/*
 * Supports alpha only surfaces.  The bit depth of an alpha only surface can be
 * 1,2,4, or 8.  The alpha value becomes more opaque as the alpha value increases.
 * (0 is transparent.)
 * For Blt.
 */
#define DDFXALPHACAPS_BLTALPHASURFACES          0x00000008l

/*
 * The depth of the alpha channel data can range can be 1,2,4, or 8.  
 * The NEG suffix indicates that this alpha channel becomes more transparent
 * as the alpha value increases. (0 is opaque.)  This flag can only be set if