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Table of Contents
4. Standard Units
4.37. Graph - Graph unit
4.37.2. Graph Unit Procedures and Functions
4.37.2.111. SetSVGAMode procedure
4.37.2.111. SetSVGAMode procedure
Targets: MS-DOS, Win32
Graph Unit
Sets SVGA video mode with given resolution and color depth.
Declaration:
procedure SetSVGAMode(XRes, YRes, BPP, VMode: Word);
Remarks:
XRes and YRes parameters define required resolution;
BPP define color depth (bits per pixel) and
must be in range [8,15,16,24,32]. VMode parameter
must be in range [1..3]:
LFBorBanked = 0 - Set Lfb or Banked modes.
BankedOnly = 1 - Set Banked modes only;
LFBOnly = 2 - Set Lfb modes only;
Example:
SetSVGAMode(640,480,8,LfbOrBanked) tortured to set 256-colored
(8 bits per pixel) SVGA mode with resolution 640x480.
This procedure will try to install Lfb mode, if it supported.
If not - Banked mode will be installed.
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