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author | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-04-12 15:07:34 +0000 |
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committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-04-12 15:07:34 +0000 |
commit | caebd91505fa9e778ccaba6bd6c8f1d19723602a (patch) | |
tree | b8549abec5081f5114385e375a1f7ee8fe49ec9a /MdeModulePkg/Library/DxeDebugPrintErrorLevelLib/DxeDebugPrintErrorLevelLib.c | |
parent | 2b578de0b213ecc98d5889ec496d12a56eb3b187 (diff) | |
download | edk2-platforms-caebd91505fa9e778ccaba6bd6c8f1d19723602a.tar.xz |
OptionRomPkg: Add BltLib definition
This library is intended to make it easy to perform blt operations
on a GOP framebuffer without using the GOP Blt function.
There can be two main forms of implementations of this library:
1) A library which interfaces directly with a framebuffer, and
has no dependence on the GOP protocol. Once configured with
the framebuffer parameters, it can operate directly on the
framebuffer.
2) A library which interfaces with the GOP protocol. In this
case this library provides a convenience layer and allows
blt code to look cleaner.
Potential uses for this library:
* Video driver with a framebuffer will not need to implement
GOP Blt function itself. Instead it can utilize an
implementation of this library as described in #1 above.
* OS Loader code which would like to easily use the GOP framebuffer
after Exit Boot Services. This would use a library instance
as described in #1 above.
* Any other code which would like to call GOP blt, but simplify
the code with the more convenient functions provided by this
library interface. (Using a library as described in #2 above.)
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11520 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Library/DxeDebugPrintErrorLevelLib/DxeDebugPrintErrorLevelLib.c')
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