Mercurial > sdl-ios-xcode
view docs/man3/SDL_DisplayFormat.3 @ 2197:2ff40f30af31
Merged r3261:3262 from branches/SDL-1.2: MMX/YUV with __OPTIMIZE__.
"Mac OS X/x86 won't build the MMX/YUV inline assembly without optimizations
enabled (not enough registers), so for now, we only build it if we see
the __OPTIMIZE__ #define, which GCC provides when you build at -O1 or higher."
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Sat, 14 Jul 2007 07:28:45 +0000 |
parents | e5bc29de3f0a |
children | 546f7c1eb755 |
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.TH "SDL_DisplayFormat" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference" .SH "NAME" SDL_DisplayFormat\- Convert a surface to the display format .SH "SYNOPSIS" .PP \fB#include "SDL\&.h" .sp \fBSDL_Surface *\fBSDL_DisplayFormat\fP\fR(\fBSDL_Surface *surface\fR); .SH "DESCRIPTION" .PP This function takes a surface and copies it to a new surface of the pixel format and colors of the video framebuffer, suitable for fast blitting onto the display surface\&. It calls \fISDL_ConvertSurface\fR .PP If you want to take advantage of hardware colorkey or alpha blit acceleration, you should set the colorkey and alpha value before calling this function\&. .PP If you want an alpha channel, see \fISDL_DisplayFormatAlpha\fR\&. .SH "RETURN VALUE" .PP If the conversion fails or runs out of memory, it returns \fBNULL\fR .SH "SEE ALSO" .PP \fI\fBSDL_ConvertSurface\fP\fR, \fI\fBSDL_DisplayFormatAlpha\fP\fR \fI\fBSDL_SetAlpha\fP\fR, \fI\fBSDL_SetColorKey\fP\fR, \fI\fBSDL_Surface\fR\fR ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01