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Import SDL 1.2.14 and GLEW 1.5.4.

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I am not replacing the following header files used by the Windows build,
as I don't have a Windows build setup to test. Please point the Windows
build at the header files inside these clean distribution packages and
garbage collect the duplicates: GLew/*.h and SDL/Include_1.2.


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5711 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Soren Jorvang
2010-06-15 23:31:13 +00:00
parent cb1694252b
commit 2db54798d7
1842 changed files with 398859 additions and 0 deletions
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48
Externals/SDL/docs/man3/SDL_LockSurface.3 vendored Normal file
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.TH "SDL_LockSurface" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference"
.SH "NAME"
SDL_LockSurface \- Lock a surface for directly access\&.
.SH "SYNOPSIS"
.PP
\fB#include "SDL\&.h"
.sp
\fBint \fBSDL_LockSurface\fP\fR(\fBSDL_Surface *surface\fR);
.SH "DESCRIPTION"
.PP
\fBSDL_LockSurface\fP sets up a surface for directly accessing the pixels\&. Between calls to \fBSDL_LockSurface\fP and \fBSDL_UnlockSurface\fP, you can write to and read from \fBsurface->\fBpixels\fR\fR, using the pixel format stored in \fBsurface->\fBformat\fR\fR\&. Once you are done accessing the surface, you should use \fBSDL_UnlockSurface\fP to release it\&.
.PP
Not all surfaces require locking\&. If \fBSDL_MUSTLOCK\fP(\fBsurface\fR) evaluates to \fB0\fR, then you can read and write to the surface at any time, and the pixel format of the surface will not change\&.
.PP
No operating system or library calls should be made between lock/unlock pairs, as critical system locks may be held during this time\&.
.PP
It should be noted, that since SDL 1\&.1\&.8 surface locks are recursive\&. This means that you can lock a surface multiple times, but each lock must have a match unlock\&.
.PP
.nf
\f(CW \&.
\&.
SDL_LockSurface( surface );
\&.
/* Surface is locked */
/* Direct pixel access on surface here */
\&.
SDL_LockSurface( surface );
\&.
/* More direct pixel access on surface */
\&.
SDL_UnlockSurface( surface );
/* Surface is still locked */
/* Note: Is versions < 1\&.1\&.8, the surface would have been */
/* no longer locked at this stage */
\&.
SDL_UnlockSurface( surface );
/* Surface is now unlocked */
\&.
\&.\fR
.fi
.PP
.SH "RETURN VALUE"
.PP
\fBSDL_LockSurface\fP returns \fB0\fR, or \fB-1\fR if the surface couldn\&'t be locked\&.
.SH "SEE ALSO"
.PP
\fI\fBSDL_UnlockSurface\fP\fR
.\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01