ddraw.h

quake1游戏源码

 * DDCAPS_ALPHA is set.
 * For Blt.
 */
#define DDFXALPHACAPS_BLTALPHASURFACESNEG       0x00000010l

/*
 * Supports alpha blending around the edge of a source color keyed surface.
 * For Overlays.
 */
#define DDFXALPHACAPS_OVERLAYALPHAEDGEBLEND     0x00000020l

/*
 * 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 Overlays.
 */
#define DDFXALPHACAPS_OVERLAYALPHAPIXELS        0x00000040l

/*
 * 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 Overlays.
 */
#define DDFXALPHACAPS_OVERLAYALPHAPIXELSNEG     0x00000080l

/*
 * 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 Overlays.
 */
#define DDFXALPHACAPS_OVERLAYALPHASURFACES      0x00000100l

/*
 * 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
 * DDCAPS_ALPHA is set.
 * For Overlays.
 */
#define DDFXALPHACAPS_OVERLAYALPHASURFACESNEG   0x00000200l

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

/*
 * Uses arithmetic operations to stretch and shrink surfaces during blt
 * rather than pixel doubling techniques.  Along the Y axis.
 */
#define DDFXCAPS_BLTARITHSTRETCHY       0x00000020l

/*
 * Uses arithmetic operations to stretch during blt
 * rather than pixel doubling techniques.  Along the Y axis. Only
 * works for x1, x2, etc.
 */
#define DDFXCAPS_BLTARITHSTRETCHYN      0x00000010l

/*
 * Supports mirroring left to right in blt.
 */
#define DDFXCAPS_BLTMIRRORLEFTRIGHT     0x00000040l

/*
 * Supports mirroring top to bottom in blt.
 */
#define DDFXCAPS_BLTMIRRORUPDOWN        0x00000080l

/*
 * Supports arbitrary rotation for blts.
 */
#define DDFXCAPS_BLTROTATION            0x00000100l

/*
 * Supports 90 degree rotations for blts.
 */
#define DDFXCAPS_BLTROTATION90          0x00000200l

/*
 * DirectDraw supports arbitrary shrinking of a surface along the
 * x axis (horizontal direction) for blts.
 */
#define DDFXCAPS_BLTSHRINKX             0x00000400l

/*
 * DirectDraw supports integer shrinking (1x,2x,) of a surface
 * along the x axis (horizontal direction) for blts.
 */
#define DDFXCAPS_BLTSHRINKXN            0x00000800l

/*
 * DirectDraw supports arbitrary shrinking of a surface along the
 * y axis (horizontal direction) for blts.  
 */
#define DDFXCAPS_BLTSHRINKY             0x00001000l

/*
 * DirectDraw supports integer shrinking (1x,2x,) of a surface
 * along the y axis (vertical direction) for blts.  
 */
#define DDFXCAPS_BLTSHRINKYN            0x00002000l

/*
 * DirectDraw supports arbitrary stretching of a surface along the
 * x axis (horizontal direction) for blts.
 */
#define DDFXCAPS_BLTSTRETCHX            0x00004000l

/*
 * DirectDraw supports integer stretching (1x,2x,) of a surface
 * along the x axis (horizontal direction) for blts.
 */
#define DDFXCAPS_BLTSTRETCHXN           0x00008000l

/*
 * DirectDraw supports arbitrary stretching of a surface along the
 * y axis (horizontal direction) for blts.  
 */
#define DDFXCAPS_BLTSTRETCHY            0x00010000l

/*
 * DirectDraw supports integer stretching (1x,2x,) of a surface
 * along the y axis (vertical direction) for blts.  
 */
#define DDFXCAPS_BLTSTRETCHYN           0x00020000l

/*
 * Uses arithmetic operations to stretch and shrink surfaces during 
 * overlay rather than pixel doubling techniques.  Along the Y axis 
 * for overlays.
 */
#define DDFXCAPS_OVERLAYARITHSTRETCHY   0x00040000l

/*
 * Uses arithmetic operations to stretch surfaces during 
 * overlay rather than pixel doubling techniques.  Along the Y axis 
 * for overlays. Only works for x1, x2, etc.
 */
#define DDFXCAPS_OVERLAYARITHSTRETCHYN  0x00000008l

/*
 * DirectDraw supports arbitrary shrinking of a surface along the
 * x axis (horizontal direction) for overlays.
 */
#define DDFXCAPS_OVERLAYSHRINKX         0x00080000l

/*
 * DirectDraw supports integer shrinking (1x,2x,) of a surface
 * along the x axis (horizontal direction) for overlays.
 */
#define DDFXCAPS_OVERLAYSHRINKXN        0x00100000l

/*
 * DirectDraw supports arbitrary shrinking of a surface along the
 * y axis (horizontal direction) for overlays.  
 */
#define DDFXCAPS_OVERLAYSHRINKY         0x00200000l

/*
 * DirectDraw supports integer shrinking (1x,2x,) of a surface
 * along the y axis (vertical direction) for overlays.  
 */
#define DDFXCAPS_OVERLAYSHRINKYN        0x00400000l

/*
 * DirectDraw supports arbitrary stretching of a surface along the
 * x axis (horizontal direction) for overlays.
 */
#define DDFXCAPS_OVERLAYSTRETCHX        0x00800000l

/*
 * DirectDraw supports integer stretching (1x,2x,) of a surface
 * along the x axis (horizontal direction) for overlays.
 */
#define DDFXCAPS_OVERLAYSTRETCHXN       0x01000000l

/*
 * DirectDraw supports arbitrary stretching of a surface along the
 * y axis (horizontal direction) for overlays.  
 */
#define DDFXCAPS_OVERLAYSTRETCHY        0x02000000l

/*
 * DirectDraw supports integer stretching (1x,2x,) of a surface
 * along the y axis (vertical direction) for overlays.  
 */
#define DDFXCAPS_OVERLAYSTRETCHYN       0x04000000l

/*
 * DirectDraw supports mirroring of overlays across the vertical axis
 */
#define DDFXCAPS_OVERLAYMIRRORLEFTRIGHT 0x08000000l

/*
 * DirectDraw supports mirroring of overlays across the horizontal axis
 */
#define DDFXCAPS_OVERLAYMIRRORUPDOWN    0x10000000l

/****************************************************************************
 *
 * DIRECTDRAW STEREO VIEW CAPABILITIES
 *
 ****************************************************************************/

/*
 * The stereo view is accomplished via enigma encoding.
 */
#define DDSVCAPS_ENIGMA                 0x00000001l

/*
 * The stereo view is accomplished via high frequency flickering.
 */
#define DDSVCAPS_FLICKER                0x00000002l

/*
 * The stereo view is accomplished via red and blue filters applied
 * to the left and right eyes.  All images must adapt their colorspaces
 * for this process.
 */
#define DDSVCAPS_REDBLUE                0x00000004l

/*
 * The stereo view is accomplished with split screen technology.
 */
#define DDSVCAPS_SPLIT                  0x00000008l

/****************************************************************************
 *
 * DIRECTDRAWPALETTE CAPABILITIES
 *
 ****************************************************************************/

/*
 * Index is 4 bits.  There are sixteen color entries in the palette table.
 */
#define DDPCAPS_4BIT                    0x00000001l

/*
 * Index is onto a 8 bit color index.  This field is only valid with the
 * DDPCAPS_1BIT, DDPCAPS_2BIT or DDPCAPS_4BIT capability and the target
 * surface is in 8bpp. Each color entry is one byte long and is an index
 * into destination surface's 8bpp palette.
 */
#define DDPCAPS_8BITENTRIES             0x00000002l

/*
 * Index is 8 bits.  There are 256 color entries in the palette table.
 */
#define DDPCAPS_8BIT                    0x00000004l

/*
 * Indicates that this DIRECTDRAWPALETTE should use the palette color array
 * passed into the lpDDColorArray parameter to initialize the DIRECTDRAWPALETTE
 * object.
 */
#define DDPCAPS_INITIALIZE              0x00000008l

/*
 * This palette is the one attached to the primary surface.  Changing this
 * table has immediate effect on the display unless DDPSETPAL_VSYNC is specified
 * and supported.
 */
#define DDPCAPS_PRIMARYSURFACE          0x00000010l

/*
 * This palette is the one attached to the primary surface left.  Changing
 * this table has immediate effect on the display for the left eye unless
 * DDPSETPAL_VSYNC is specified and supported.
 */
#define DDPCAPS_PRIMARYSURFACELEFT      0x00000020l

/*
 * This palette can have all 256 entries defined
 */
#define DDPCAPS_ALLOW256                0x00000040l

/*
 * This palette can have modifications to it synced with the monitors
 * refresh rate.
 */
#define DDPCAPS_VSYNC                   0x00000080l

/*
 * Index is 1 bit.  There are two color entries in the palette table.
 */
#define DDPCAPS_1BIT                    0x00000100l

/*
 * Index is 2 bit.  There are four color entries in the palette table.
 */
#define DDPCAPS_2BIT                    0x00000200l


/****************************************************************************
 *
 * DIRECTDRAWPALETTE SETENTRY CONSTANTS
 *
 ****************************************************************************/


/****************************************************************************
 *
 * DIRECTDRAWPALETTE GETENTRY CONSTANTS
 *
 ******************************************