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DDCAPS_ Values

Use with the dwCaps field of the ddCaps class.

DDCAPS_3D
Indicates that the display hardware has 3D acceleration.
DDCAPS_ALIGNBOUNDARYDEST
Indicates that DirectDraw will support only those source rectangles with the x-axis aligned to the dwAlignBoundaryDest boundaries of the surface.
DDCAPS_ALIGNBOUNDARYSRC
Indicates that DirectDraw will support only those source rectangles with the x-axis aligned to the dwAlignBoundarySrc boundaries of the surface.
DDCAPS_ALIGNSIZEDEST
Indicates that DirectDraw will support only those source rectangles whose x-axis sizes, in bytes, are dwAlignSizeDest multiples.
DDCAPS_ALIGNSIZESRC
Indicates that DirectDraw will support only those source rectangles whose x-axis sizes, in bytes, are dwAlignSizeSrc multiples.
DDCAPS_ALIGNSTRIDE
Indicates that DirectDraw will create display memory surfaces that have a stride alignment equal to the dwAlignStrideAlign value.
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 dwCKeyCaps field.
DDCAPS_COLORKEYHWASSIST
Indicates that the color key is hardware assisted.
DDCAPS_GDI
Indicates that display hardware is shared with GDI.
DDCAPS_NOHARDWARE
Indicates that there is no hardware support.
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 surfaces than only 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 scanline.
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 UpdateOverlayZOrder method as a z-value for overlays to control their layering.


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