Mercurial > hg > boxvnt
changeset 9:df97693d9028
Updated readme file to put installation instructions first.
| author | Michal Necasek <mnecasek@yahoo.com> |
|---|---|
| date | Thu, 26 May 2022 11:50:16 +0200 |
| parents | d08c5a1d7fbe |
| children | 482dafb43c21 |
| files | readme.txt |
| diffstat | 1 files changed, 22 insertions(+), 18 deletions(-) [+] |
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--- a/readme.txt Thu May 26 11:15:48 2022 +0200 +++ b/readme.txt Thu May 26 11:50:16 2022 +0200 @@ -1,22 +1,10 @@ - Windows NT Video Miniport Programming Example - --------------------------------------------- - - The sample video miniport supports the virtual SVGA chip supported by the -VirtualBox hypervisor. It may also work with bochs and qemu, but this has not -been tested; small changes may be required. + Windows NT Video Miniport + ------------------------- - The source code is split into two parts: The boxv module (boxv*) and the -miniport proper (videomp*). The boxv module provides a simple collection of -routines to set modes on the VirtualBox/qemu/bochs virtual SVGA chip. The -vidmini module implements the Windows NT video miniport interface. - - The miniport only provides minimal mode setting and palette access interface -since the virtual hardware does not support hardware cursors etc. All drawing -is left to framebuf.dll, the default Windows NT framebuffer display driver. - - Please refer to the Windows NT DDK for documentation on the video miniport -interface. + This video miniport driver supports the virtual (S)VGA chip supported by the +VirtualBox hypervisor. It may also work with bochs and qemu, but this has not +been tested; small changes to the source code may be required. Supported Windows Versions @@ -33,12 +21,28 @@ dialog should be used. There are two versions of the INF file: oemsetup.inf for Windows NT 3.x and vidmini.inf for Windows NT 4 and later versions. - Important: For Windows NT 3.x, the framebuf.dll library provided on the NT + IMPORTANT: For Windows NT 3.x, the framebuf.dll library provided on the NT installation media is required and should be copied to the directory which contains the INF file. For Windows NT 4.0 and later, framebuf.dll is already preinstalled on the system. + Implementation Overview + + The source code is split into two parts: The boxv module (boxv*) and the +miniport proper (videomp*). The boxv module provides a simple collection of +routines to set arbitrary 8/16/24/32bpp modes on the VirtualBox/qemu/bochs +virtual SVGA chip. The vidmini module implements the Windows NT video +miniport interface. + + The miniport only provides minimal mode setting and palette access interface +since the virtual hardware does not support hardware cursors etc. All drawing +is left to framebuf.dll, the default Windows NT framebuffer display driver. + + Please refer to the Windows NT DDK for documentation on the video miniport +interface. + + Building The miniport is designed to be built with Open Watcom C/C++ 1.9 or later.