SDL_GL_SetAttribute.3
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:1k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- .TH "SDL_GL_SetAttribute" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference"
- .SH "NAME"
- SDL_GL_SetAttribute- Set a special SDL/OpenGL attribute
- .SH "SYNOPSIS"
- .PP
- fB#include "SDL&.h"
- .sp
- fBint fBSDL_GL_SetAttributefPfR(fBSDL_GLattr attr, int valuefR);
- .SH "DESCRIPTION"
- .PP
- Sets the OpenGL fIattributefR fBattrfR to fBvaluefR&. The attributes you set don&'t take effect until after a call to fIfBSDL_SetVideoModefPfR&. You should use fIfBSDL_GL_GetAttributefPfR to check the values after a fBSDL_SetVideoModefP call&.
- .SH "RETURN VALUE"
- .PP
- Returns fB0fR on success, or fB-1fR on error&.
- .SH "EXAMPLE"
- .PP
- .nf
- f(CWSDL_GL_SetAttribute( SDL_GL_RED_SIZE, 5 );
- SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 5 );
- SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 5 );
- SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 16 );
- SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
- if ( (screen=SDL_SetVideoMode( 640, 480, 16, SDL_OPENGL )) == NULL ) {
- fprintf(stderr, "Couldn&'t set GL mode: %s
- ", SDL_GetError());
- SDL_Quit();
- return;
- }fR
- .fi
- .PP
- .PP
- .RS
- fBNote:
- .PP
- The fBSDL_DOUBLEBUFfP flag is not required to enable double buffering when setting an OpenGL video mode&. Double buffering is enabled or disabled using the SDL_GL_DOUBLEBUFFER attribute&.
- .RE
- .SH "SEE ALSO"
- .PP
- fIfBSDL_GL_GetAttributefPfR, fIGL AttributesfR
- ..." created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01