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DDCAPS_ Values

Use with the dwCaps field of the ddCaps class.

DDCAPS_3D
Display hardware has 3D acceleration.
DDCAPS_ALIGNBOUNDARYDEST
DirectDraw will support only those source rectangles with the x-axis aligned to the dwAlignBoundaryDest boundaries of the surface.
DDCAPS_ALIGNBOUNDARYSRC
DirectDraw will support only those source rectangles with the x-axis aligned to the dwAlignBoundarySrc boundaries of the surface.
DDCAPS_ALIGNSIZEDEST
DirectDraw will support only those source rectangles whose x-axis sizes, in bytes, are dwAlignSizeDest multiples.
DDCAPS_ALIGNSIZESRC
DirectDraw will support only those source rectangles whose x-axis sizes, in bytes, are dwAlignSizeSrc multiples.
DDCAPS_ALIGNSTRIDE
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
Display hardware is bank-switched and is potentially very slow at random access to display memory.
DDCAPS_BLT
Display hardware is capable of blit operations.
DDCAPS_BLTCOLORFILL
Display hardware is capable of color filling with a blitter.
DDCAPS_BLTDEPTHFILL
Display hardware is capable of depth filling z-buffers with a blitter.
DDCAPS_BLTFOURCC
Display hardware is capable of color-space conversions during blit operations.
DDCAPS_BLTQUEUE
Display hardware is capable of asynchronous blit operations.
DDCAPS_BLTSTRETCH
Display hardware is capable of stretching during blit operations.
DDCAPS_CANBLTSYSMEM
Display hardware is capable of blitting to or from system memory.
DDCAPS_CANCLIP
Display hardware is capable of clipping with blitting.
DDCAPS_CANCLIPSTRETCHED
Display hardware is capable of clipping while stretch blitting.
DDCAPS_COLORKEY
Support 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
The color key is hardware assisted.
DDCAPS_GDI
Display hardware is shared with GDI.
DDCAPS_NOHARDWARE
There is no hardware support.
DDCAPS_OVERLAY
Display hardware supports overlays.
DDCAPS_OVERLAYCANTCLIP
Display hardware supports overlays but cannot clip them.
DDCAPS_OVERLAYFOURCC
Overlay hardware is capable of color-space conversions during overlay operations.
DDCAPS_OVERLAYSTRETCH
Overlay hardware is capable of stretching.
DDCAPS_PALETTE
DirectDraw is capable of creating and supporting DirectDrawPalette objects for more surfaces than only the primary surface.
DDCAPS_PALETTEVSYNC
DirectDraw® is capable of updating a palette synchronized with the vertical refresh.
DDCAPS_READSCANLINE
Display hardware is capable of returning the current scanline.
DDCAPS_STEREOVIEW
Display hardware has stereo vision capabilities.
DDCAPS_VBI
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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