The DDCORECAPSstructure represents the capabilities of the hardware exposed through the DirectDraw object. This is the structure your driver returns in DDHALINFO. Additional capabilities are requested using a GetDriverInfocall.

typedef struct _DDCORECAPS { DWORD
dwSize; 
DWORD
dwCaps; 
DWORD
dwCaps2; 
DWORD
dwCKeyCaps; 
DWORD
dwFXCaps; 
DWORD
dwFXAlphaCaps; 
DWORD
dwPalCaps; 
DWORD
dwSVCaps; 
DWORD
dwAlphaBltConstBitDepths; 
DWORD
dwAlphaBltPixelBitDepths; 
DWORD
dwAlphaBltSurfaceBitDepths; 
DWORD
dwAlphaOverlayConstBitDepths; 
DWORD
dwAlphaOverlayPixelBitDepths; 
DWORD
dwAlphaOverlaySurfaceBitDepths; 
DWORD
dwZBufferBitDepths; 
DWORD
dwVidMemTotal; 
DWORD
dwVidMemFree; 
DWORD
dwMaxVisibleOverlays; 
DWORD
dwCurrVisibleOverlays; 
DWORD
dwNumFourCCCodes; 
DWORD
dwAlignBoundarySrc; 
DWORD
dwAlignSizeSrc; 
DWORD
dwAlignBoundaryDest; 
DWORD
dwAlignSizeDest; 
DWORD
dwAlignStrideAlign; 
DWORD
dwRops[DD_ROP_SPACE]; 
DDSCAPS
ddsCaps; 
DWORD
dwMinOverlayStretch; 
DWORD
dwMaxOverlayStretch; 
DWORD
dwMinLiveVideoStretch; 
DWORD
dwMaxLiveVideoStretch; 
DWORD
dwMinHwCodecStretch; 
DWORD
dwMaxHwCodecStretch; 
DWORD
dwReserved1; 
DWORD
dwReserved2; 
DWORD
dwReserved3; 
DWORD
dwSVBCaps; 
DWORD
dwSVBCKeyCaps; 
DWORD
dwSVBFXCaps; 
DWORD
dwSVBRops[DD_ROP_SPACE]; 
DWORD
dwVSBCaps; 
DWORD
dwVSBCKeyCaps; 
DWORD
dwVSBFXCaps; 
DWORD
dwVSBRops[DD_ROP_SPACE]; 
DWORD
dwSSBCaps; 
DWORD
dwSSBCKeyCaps; 
DWORD
dwSSBFXCaps; 
DWORD
dwSSBRops[DD_ROP_SPACE]; 
DWORD
dwMaxVideoPorts; 
DWORD
dwCurrVideoPorts; 
DWORD
dwSVBCaps2; } 
DDCORECAPS; 
typedef DDCORECAPS FAR* LPDDCORECAPS;

Members

dwSize

Size of the structure. This member must be initialized before the structure is used.

dwCaps

Driver-specific capabilities.

Flag	Usage
DDCAPS_3D	Indicates that the display hardware has 3-D acceleration.
DDCAPS_ALIGNBOUNDARYDEST	Indicates that DirectDraw supports only those source rectangles with the x-axis aligned to the dwAlignBoundaryDestboundaries of the surface.
DDCAPS_ALIGNBOUNDARYSRC	Indicates that DirectDraw supports only those source rectangles with the x-axis aligned to the dwAlignBoundarySrcboundaries of the surface.
DDCAPS_ALIGNSIZEDEST	Indicates that DirectDraw supports only those source rectangles whose x-axis sizes, in bytes, are dwAlignSizeDestmultiples.
DDCAPS_ALIGNSIZESRC	Indicates that DirectDraw supports only those source rectangles whose x-axis sizes, in bytes, are dwAlignSizeSrcmultiples.
DDCAPS_ALIGNSTRIDE	Indicates that DirectDraw creates display memory surfaces that have a stride alignment equal to the dwAlignStrideAlignvalue.
DDCAPS_ALPHA	Indicates that the display hardware supports an alpha channel during blit operations.
DDCAPS_BANKSWITCHED	Indicates that the display hardware is bank-switched and is potentially very slow at random access to display memory.
DDCAPS_BLT	Indicates that display hardware is capable of blit operations.
DDCAPS_BLTCOLORFILL	Indicates that display hardware is capable of color filling with a blitter.
DDCAPS_BLTDEPTHFILL	Indicates that display hardware is capable of depth filling z-buffers with a blitter.
DDCAPS_BLTFOURCC	Indicates that display hardware is capable of color-space conversions during blit operations.
DDCAPS_BLTQUEUE	Indicates that display hardware is capable of asynchronous blit operations.
DDCAPS_BLTSTRETCH	Indicates that display hardware is capable of stretching during blit operations.
DDCAPS_CANBLTSYSMEM	Indicates that display hardware is capable of blitting to or from system memory.
DDCAPS_CANCLIP	Indicates that display hardware is capable of clipping with blitting.
DDCAPS_CANCLIPSTRETCHED	Indicates that display hardware is capable of clipping while stretch-blitting.
DDCAPS_COLORKEY	Supports some form of color key in either overlay or blit operations. More specific color key capability information can be found in the dwCKeyCapsmember.
DDCAPS_COLORKEYHWASSIST	Indicates that the color key is hardware assisted.
DDCAPS_GDI	Indicates that display hardware is shared with GDI.
DDCAPS_NOHARDWARE	Indicates that no hardware support exists.
DDCAPS_OVERLAY	Indicates that display hardware supports overlays.
DDCAPS_OVERLAYCANTCLIP	Indicates that display hardware supports overlays but cannot clip them.
DDCAPS_OVERLAYFOURCC	Indicates that overlay hardware is capable of color-space conversions during overlay operations.
DDCAPS_OVERLAYSTRETCH	Indicates that overlay hardware is capable of stretching.
DDCAPS_PALETTE	Indicates that DirectDraw is capable of creating and supporting DirectDrawPalette objects for more than just the primary surface.
DDCAPS_PALETTEVSYNC	Indicates that DirectDraw is capable of updating a palette synchronized with the vertical refresh.
DDCAPS_READSCANLINE	Indicates that display hardware is capable of returning the current scan line.
DDCAPS_STEREOVIEW	Indicates that display hardware has stereo vision capabilities.
DDCAPS_VBI	Indicates that display hardware is capable of generating a vertical-blank interrupt.
DDCAPS_ZBLTS	Supports the use of z-buffers with blit operations.
DDCAPS_ZOVERLAYS	Supports the use of the application's UpdateOverlayZOrdermethod as a z-value for overlays to control their layering.

dwCaps2

More driver-specific capabilities.

Flag	Usage
DDCAPS2_AUTOFLIPOVERLAY	Indicates that the overlay can be automatically flipped to the next surface in the flip chain each time a video port V-sync occurs, allowing the video port and the overlay to double buffer the video without CPU overhead. This option is only valid when the surface is receiving data from a video port. If the video port data is noninterlaced or noninterleaved, it flips on every V-sync. If the data is being interleaved in memory, it flips on every other V-sync.
DDCAPS2_CANBOBHARDWARE	The overlay hardware can display each field of an interlaced video stream individually.
DDCAPS2_CANBOBINTERLEAVED	Indicates that the overlay hardware can display each field of an interlaced video stream individually while it is interleaved in memory without causing any artifacts that might normally occur without special hardware support. This option is only valid when the surface is receiving data from a video port and is only valid when the video is zoomed at least 200 percent in the vertical direction.
DDCAPS2_CANBOBNONINTERLEAVED	Indicates that the overlay hardware can display each field of an interlaced video stream individually while it is not interleaved in memory without causing any artifacts that might normally occur without special hardware support. This option is only valid when the surface is receiving data from a video port and is only valid when the video is zoomed at least 200 percent in the vertical direction.
DDCAPS2_CANCALIBRATEGAMMA	Indicates a calibrator is available to adjust the gamma ramp according to the physical display properties so that the result will be identical on all calibrated systems.
DDCAPS2_CANDROPZ16BIT	Indicates that 16-bit RGBZ values can be converted into 16-bit RGB values. (The system does not support eight-bit conversions).
DDCAPS2_CANFLIPODDEVEN	Indicates that the driver supports bob using software without using a video port.
DDCAPS2_CANRENDERWINDOWED	Indicates that the driver can render in windowed mode.
DDCAPS2_CERTIFIED	Indicates that display hardware is certified.
DDCAPS2_COLORCONTROLOVERLAY	Indicates that the overlay surface contains color controls (brightness, sharpness, and so on).
DDCAPS2_COLORCONTROLPRIMARY	Indicates that the primary surface contains color controls (gamma, and so on).
DDCAPS2_COPYFOURCC	Indicates that the driver supports blitting any FOURCC surface to another surface of the same FOURCC.
DDCAPS2_FLIPINTERVAL	Indicates that the driver will respond to the DDFLIP_INTERVAL2, DDFLIP_INTERVAL3, and DDFLIP_INTERVAL4 flags.
DDCAPS2_FLIPNOVSYNC	Indicates that the driver will respond to DDFLIP_FLIPNOVSYNC.
DDCAPS2_NO2DDURING3DSCENE	Not currently used on Windows CE.
DDCAPS2_NONLOCALVIDMEM	Indicates that the driver supports non-local display memory.
DDCAPS2_NONLOCALVIDMEMCAPS	Indicates that blit capabilities for non-local video memory surfaces differ from local video memory surfaces. If this flag is present, the DDCAPS2_NONLOCALVIDMEM flag will also be present.
DDCAPS2_NOPAGELOCKREQUIRED	Indicates that the driver should be called for blits involving system memory surfaces even if the system memory surfaces are not pagelocked.
DDCAPS2_PRIMARYGAMMA	Indicates the driver supports loadable gamma ramps for the primary surface.
DDCAPS2_VIDEOPORT	Indicates that the display hardware contains a video port.
DDCAPS2_WIDESURFACES	Indicates that the display driver can create surfaces wider than the primary surface. Drivers that set this bit should expect to receive CreateSurfacerequests from applications for surfaces wider than the primary surface.

dwCKeyCaps

Indicates the color key capabilities of the surface.

Flag	Usage
DDCKEYCAPS_DESTBLT	Supports transparent blitting with a color key that identifies the replaceable bits of the destination surface for RGB colors.
DDCKEYCAPS_DESTBLTCLRSPACE	Supports transparent blitting with a color space that identifies the replaceable bits of the destination surface for RGB colors.
DDCKEYCAPS_DESTBLTCLRSPACEYUV	Supports transparent blitting with a color space that identifies the replaceable bits of the destination surface for YUV colors.
DDCKEYCAPS_DESTBLTYUV	Supports transparent blitting with a color key that identifies the replaceable bits of the destination surface for YUV colors.
DDCKEYCAPS_DESTOVERLAY	Supports overlaying with color keying of the replaceable bits of the destination surface being overlaid for RGB colors.
DDCKEYCAPS_DESTOVERLAYCLRSPACE	Supports a color space as the color key for the destination of RGB colors.
DDCKEYCAPS_DESTOVERLAYCLRSPACEYUV	Supports a color space as the color key for the destination of YUV colors.
DDCKEYCAPS_DESTOVERLAYONEACTIVE	Supports only one active destination color key value for visible overlay surfaces.
DDCKEYCAPS_DESTOVERLAYYUV	Supports overlaying using color keying of the replaceable bits of the destination surface being overlaid for YUV colors.
DDCKEYCAPS_NOCOSTOVERLAY	Indicates there are no bandwidth trade-offs for using the color key with an overlay.
DDCKEYCAPS_SRCBLT	Supports transparent blitting using the color key for the source with this surface for RGB colors.
DDCKEYCAPS_SRCBLTCLRSPACE	Supports transparent blitting using a color space for the source with this surface for RGB colors.
DDCKEYCAPS_SRCBLTCLRSPACEYUV	Supports transparent blitting using a color space for the source with this surface for YUV colors.
DDCKEYCAPS_SRCBLTYUV	Supports transparent blitting using the color key for the source with this surface for YUV colors.
DDCKEYCAPS_SRCOVERLAY	Supports overlaying using the color key for the source with this overlay surface for RGB colors.
DDCKEYCAPS_SRCOVERLAYCLRSPACE	Supports overlaying using a color space as the source color key for the overlay surface for RGB colors.
DDCKEYCAPS_SRCOVERLAYCLRSPACEYUV	Supports overlaying using a color space as the source color key for the overlay surface for YUV colors.
DDCKEYCAPS_SRCOVERLAYONEACTIVE	Supports only one active source color key value for visible overlay surfaces.
DDCKEYCAPS_SRCOVERLAYYUV	Supports overlaying using the color key for the source with this overlay surface for YUV colors.

dwFXCaps

Driver-specific stretching and effects capabilities.

Flag	Usage
DDFXCAPS_BLTALPHA	Reserved for future use.
DDFXCAPS_BLTARITHSTRETCHY	Uses arithmetic operations, rather than pixel-doubling techniques, to stretch and shrink surfaces during a blit operation. Occurs along the y-axis (vertically).
DDFXCAPS_BLTARITHSTRETCHYN	Uses arithmetic operations, rather than pixel-doubling techniques, to stretch and shrink surfaces during a blit operation. Occurs along the y-axis (vertically), and works only for integer stretching (1, 2, and so on).
DDFXCAPS_BLTFILTER	Reserved for future use.
DDFXCAPS_BLTMIRRORLEFTRIGHT	Supports mirroring left to right in a blit operation.
DDFXCAPS_BLTMIRRORUPDOWN	Supports mirroring top to bottom in a blit operation.
DDFXCAPS_BLTROTATION	Supports arbitrary rotation in a blit operation.
DDFXCAPS_BLTROTATION90	Supports 90-degree rotations in a blit operation.
DDFXCAPS_BLTSHRINKX	Supports arbitrary shrinking of a surface along the x-axis (horizontally). This flag is valid only for blit operations.
DDFXCAPS_BLTSHRINKXN	Supports integer shrinking (1, 2, and so on) of a surface along the x-axis (horizontally). This flag is valid only for blit operations.
DDFXCAPS_BLTSHRINKY	Supports arbitrary shrinking of a surface along the y-axis (vertically). This flag is valid only for blit operations.
DDFXCAPS_BLTSHRINKYN	Supports integer shrinking (1, 2, and so on) of a surface along the y-axis (vertically). This flag is valid only for blit operations.
DDFXCAPS_BLTSTRETCHX	Supports arbitrary stretching of a surface along the x-axis (horizontally). This flag is valid only for blit operations.
DDFXCAPS_BLTSTRETCHXN	Supports integer stretching (1, 2, and so on) of a surface along the x-axis (horizontally). This flag is valid only for blit operations.
DDFXCAPS_BLTSTRETCHY	Supports arbitrary stretching of a surface along the y-axis (vertically). This flag is valid only for blit operations.
DDFXCAPS_BLTSTRETCHYN	Supports integer stretching (1, 2, and so on) of a surface along the y-axis (vertically). This flag is valid only for blit operations.
DDFXCAPS_BLTTRANSFORM	Reserved for future use.
DDFXCAPS_OVERLAYALPHA	Reserved for future use.
DDFXCAPS_OVERLAYARITHSTRETCHY	Uses arithmetic operations, rather than pixel-doubling techniques, to stretch and shrink surfaces during an overlay operation. Occurs along the y-axis (vertically).
DDFXCAPS_OVERLAYARITHSTRETCHYN	Uses arithmetic operations, rather than pixel-doubling techniques, to stretch and shrink surfaces during an overlay operation. Occurs along the y-axis (vertically), and works only for integer stretching (1, 2, and so on).
DDFXCAPS_OVERLAYFILTER	Reserved for future use.
DDFXCAPS_OVERLAYMIRRORLEFTRIGHT	Supports mirroring of overlays around the vertical axis.
DDFXCAPS_OVERLAYMIRRORUPDOWN	Supports mirroring of overlays across the horizontal axis.
DDFXCAPS_OVERLAYSHRINKX	Supports arbitrary shrinking of a surface along the x-axis (horizontally). This flag is valid only for DDSCAPS_OVERLAY surfaces. This flag indicates only the capabilities of a surface; it does not indicate that shrinking is available.
DDFXCAPS_OVERLAYSHRINKXN	Supports integer shrinking (1, 2, and so on) of a surface along the x-axis (horizontally). This flag is valid only for DDSCAPS_OVERLAY surfaces. This flag indicates only the capabilities of a surface; it does not indicate that shrinking is available.
DDFXCAPS_OVERLAYSHRINKY	Supports arbitrary shrinking of a surface along the y-axis (vertically). This flag is valid only for DDSCAPS_OVERLAY surfaces. This flag indicates only the capabilities of a surface; it does not indicate that shrinking is available.
DDFXCAPS_OVERLAYSHRINKYN	Supports integer shrinking (1, 2, and so on) of a surface along the y-axis (vertically). This flag is valid only for DDSCAPS_OVERLAY surfaces. This flag indicates only the capabilities of a surface; it does not indicate that shrinking is available.
DDFXCAPS_OVERLAYSTRETCHX	Supports arbitrary stretching of a surface along the x-axis (horizontally). This flag is valid only for DDSCAPS_OVERLAY surfaces. This flag indicates only the capabilities of a surface; it does not indicate that stretching is available.
DDFXCAPS_OVERLAYSTRETCHXN	Supports integer stretching (1, 2, and so on) of a surface along the x-axis (horizontally). This flag is valid only for DDSCAPS_OVERLAY surfaces. This flag indicates only the capabilities of a surface; it does not indicate that stretching is available.
DDFXCAPS_OVERLAYSTRETCHY	Supports arbitrary stretching of a surface along the y-axis (vertically). This flag is valid only for DDSCAPS_OVERLAY surfaces. This flag indicates only the capabilities of a surface; it does not indicate that stretching is available.
DDFXCAPS_OVERLAYSTRETCHYN	Supports integer stretching (1, 2, and so on) of a surface along the y-axis (vertically). This flag is valid only for DDSCAPS_OVERLAY surfaces. This flag indicates only the capabilities of a surface; it does not indicate that stretching is available.
DDFXCAPS_OVERLAYTRANSFORM	Reserved for future use.

dwFXAlphaCaps

Driver-specific alpha capabilities.

Flag	Usage
DDFXALPHACAPS_BLTALPHAEDGEBLEND	Supports alpha blending around the edge of a source color-keyed surface. Used for blit operations.
DDFXALPHACAPS_BLTALPHAPIXELS	Supports alpha information in 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. Regardless of the depth of the alpha information, 0 is always the fully transparent value. Used for blit operations.
DDFXALPHACAPS_BLTALPHAPIXELSNEG	Supports alpha information in 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. Regardless of the depth of the alpha information, 0 is always the fully opaque value. This flag can be used only if DDCAPS_ALPHA is set. Used for blit operations.
DDFXALPHACAPS_BLTALPHASURFACES	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. Regardless of the depth of the alpha information, 0 is always the fully transparent value. Used for blit operations.
DDFXALPHACAPS_BLTALPHASURFACESNEG	Indicates that the alpha channel becomes more transparent as the alpha value increases. The depth of the alpha channel data can be 1, 2, 4, or 8. Regardless of the depth of the alpha information, 0 is always the fully opaque value. This flag can be set only if DDFXCAPS_ALPHASURFACES has been set. Used for blit operations.
DDFXALPHACAPS_OVERLAYALPHAEDGEBLEND	Supports alpha blending around the edge of a source color-keyed surface. Used for overlays.
DDFXALPHACAPS_OVERLAYALPHAPIXELS	Supports alpha information in pixel format. The bit depth of alpha information in pixel format can be 1, 2, 4, or 8. The alpha value becomes more opaque as the alpha value increases. Regardless of the depth of the alpha information, 0 is always the fully transparent value. Used for overlays.
DDFXALPHACAPS_OVERLAYALPHAPIXELSNEG	Supports alpha information in pixel format. The bit depth of alpha information in pixel format can be 1, 2, 4, or 8. The alpha value becomes more transparent as the alpha value increases. Regardless of the depth of the alpha information, 0 is always the fully opaque value. This flag can be used only if DDFXCAPS_ALPHAPIXELS has been set. Used for overlays.
DDFXALPHACAPS_OVERLAYALPHASURFACES	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. Regardless of the depth of the alpha information, 0 is always the fully transparent value. Used for overlays.
DDFXALPHACAPS_OVERLAYALPHASURFACESNEG	Indicates that the alpha channel becomes more transparent as the alpha value increases. The depth of the alpha channel data can be 1, 2, 4, or 8. Regardless of the depth of the alpha information, 0 is always the fully opaque value. This flag can be used only if DDFXCAPS_ALPHASURFACES has been set. Used for overlays.

dwPalCaps

Driver-specific palette capabilities.

Flag	Usage
DDPCAPS_1BIT	Indicates that the index is 1 bit. There are two entries in the color table. Not supported in Windows CE.
DDPCAPS_2BIT	Indicates that the index is 2 bits. There are four entries in the color table. Not supported in Windows CE.
DDPCAPS_4BIT	Indicates that the index is 4 bits. There are 16 entries in the color table. Not supported in Windows CE.
DDPCAPS_8BIT	Indicates that the index is 8 bits. There are 256 entries in the color table.
DDPCAPS_8BITENTRIES	Specifies an index to an 8-bit color index. This field is valid only when used with the DDPCAPS_1BIT, DDPCAPS_2BIT, or DDPCAPS_4BIT capability and when the target surface is in 8 bits per pixel (bpp). Each color entry is 1 byte long and is an index to an 8-bpp palette on the destination surface.
DDPCAPS_ALLOW256	Indicates that this palette can have all 256 entries defined.
DDPCAPS_ALPHA	Indicates that the peFlagsmember of the PALETTEENTRYstructure denotes an 8-bit alpha value.
DDPCAPS_INITIALIZE	This flag is not used.
DDPCAPS_PRIMARYSURFACE	Indicates that the palette is attached to the primary surface. Changing the palette has an immediate effect on the display unless the DDPCAPS_VSYNC capability is specified and supported.
DDPCAPS_PRIMARYSURFACELEFT	Indicates that the palette is attached to the primary surface on the left. Changing the palette has an immediate effect on the display unless the DDPCAPS_VSYNC capability is specified and supported.

dwSVCaps

Driver-specific stereo vision capabilities.

Flag	Usage
DDSVCAPS_ENIGMA	Indicates that the stereo view is accomplished using Enigma encoding.
DDSVCAPS_FLICKER	Indicates that the stereo view is accomplished using high-frequency flickering.
DDSVCAPS_REDBLUE	Indicates that the stereo view is accomplished when the viewer looks at the image through red and blue filters placed over the left and right eyes. All images must adapt their color spaces for this process.
DDSVCAPS_SPLIT	Indicates that the stereo view is accomplished with split-screen technology.

dwAlphaBltConstBitDepths

DDBD_2, DDBD_4, or DDBD_8. (Indicates 2-, 4-, or 8-bits per pixel.)

dwAlphaBltPixelBitDepths

DDBD_1, DDBD_2, DDBD_4, or DDBD_8. (Indicates 1-, 2-, 4-, or 8-bits per pixel.)

dwAlphaBltSurfaceBitDepths

DDBD_1, DDBD_2, DDBD_4, or DDBD_8. (Indicates 1-, 2-, 4-, or 8-bits per pixel.)

dwAlphaOverlayConstBitDepths

DDBD_2, DDBD_4, or DDBD_8. (Indicates 2-, 4-, or 8-bits per pixel.)

dwAlphaOverlayPixelBitDepths

DDBD_1, DDBD_2, DDBD_4, or DDBD_8. (Indicates 1-, 2-, 4-, or 8-bits per pixel.)

dwAlphaOverlaySurfaceBitDepths

DDBD_1, DDBD_2, DDBD_4, or DDBD_8. (Indicates 1-, 2-, 4-, or 8-bits per pixel.)

dwZBufferBitDepths

DDBD_8, DDBD_16, DDBD_24, or DDBD_32. (Indicates 8-, 16-, 24-, or 32-bits per pixel.)

dwVidMemTotal

Total amount of display memory.

dwVidMemFree

Amount of free display memory.

dwMaxVisibleOverlays

Maximum number of visible overlays.

dwCurrVisibleOverlays

Current number of visible overlays.

dwNumFourCCCodes

Number of FourCC codes.

dwAlignBoundarySrc

Source rectangle alignment.

dwAlignSizeSrc

Source rectangle byte size.

dwAlignBoundaryDest

Destination rectangle alignment.

dwAlignSizeDest

Destination rectangle byte size.

dwAlignStrideAlign

Stride alignment.

dwRops[DD_ROP_SPACE]

Raster operations supported.

ddsCaps

Address of a DDSCAPSstructure that contains the general capabilities of the surface.

dwMinOverlayStretch and dwMaxOverlayStretch

Minimum and maximum overlay stretch factors multiplied by 1000. For example, 1.3 = 1300.

dwMinLiveVideoStretch and dwMaxLiveVideoStretch

Minimum and maximum live video stretch factors multiplied by 1000. For example, 1.3 = 1300.

dwMinHwCodecStretch and dwMaxHwCodecStretch

Minimum and maximum hardware codec stretch factors multiplied by 1000. For example, 1.3 = 1300.

dwReserved1, dwReserved2, and dwReserved3

Reserved for future use.

dwSVBCaps

Driver-specific capabilities for system-memory-to-display-memory blits. Valid flags are identical to the blit-related flags used with the dwCapsmember.

dwSVBCKeyCaps

Driver color-key capabilities for system-memory-to-display-memory blits. Valid flags are identical to the blit-related flags used with for the dwCKeyCapsmember.

dwSVBFXCaps

Driver FX capabilities for system-memory-to-display-memory blits. Valid flags are identical to the blit-related flags used with the dwFXCapsmember.

dwSVBRops[DD_ROP_SPACE]

Raster operations supported for system-memory-to-display-memory blits.

dwVSBCaps

Driver-specific capabilities for display-memory-to-system-memory blits.

dwVSBCKeyCaps

Driver color-key capabilities for display-memory-to-system-memory blits.

dwVSBFXCaps

Driver FX capabilities for display-memory-to-system-memory blits.

dwVSBRops[DD_ROP_SPACE]

Supports raster operations for display-memory-to-system-memory blits.

dwSSBCaps

Driver-specific capabilities for system-memory-to-system-memory blits. Valid flags are identical to the blit-related flags used with the dwCapsmember.

dwSSBCKeyCaps

Driver color key capabilities for system-memory-to-system-memory blits. Valid flags are identical to the blit-related flags used with for the dwCKeyCapsmember.

dwSSBFXCaps

Driver FX capabilities for system-memory-to-system-memory blits. Valid flags are identical to the blit-related flags used with the dwFXCapsmember.

dwSSBRops[DD_ROP_SPACE]

Raster operations supported for system-memory-to-system-memory blits.

dwMaxVideoPorts

Maximum number of usable video ports.

dwCurrVideoPorts

Current number of video ports in use.

dwSVBCaps2

Additional driver-specific capabilities for system-memory-to-display-memory blits. Valid flags are identical to the blit-related flags used with the dwCaps2member.

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 Last updated on Tuesday, July 13, 2004

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