## Graphics Adapter Device Driver Reference

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### IMAGECAPS Field - ulCaps

ulCaps (ULONG) Flag that specifies image capabilities supported.

This flag has the following values:

IMAGECAPS_STRETCHBLT 0x0001; has hardware stretch Blt assist
IMAGECAPS_CAPTURE 0x0002; has capture to VRAM hardware present
IMAGECAPS_1X_BLT 0x0004; has nonstretch Blt assist
IMAGECAPS_WINDOWCLIP 0x0008; supports clipping in hardware and/or software
IMAGECAPS_BUFALLOC 0x0010; supports allocation of on-card memory
IMAGECAPS_RECTALLOC 0x0020; supports allocation of rectangles in on-card memory
IMAGECAPS_COMP 0x0040; compression supported by driver
IMAGECAPS_DECOMP 0x0080; decompression supported by driver
IMAGECAPS_PAL_CACHING 0x0100; supports 8-bit palette caching
IMAGECAPS_INTERPOL 0x0200; supports color interpolation in hardware
IMAGECAPS_BYLOCSYSMEM 0x0400; able to read/write to system memory
IMIAGECAPS_SEM_BYPASS 0x0800; device serialization not required
IMAGECAPS_NO_SHARED_FB 0x1000; overlay device