opensolaris man page for sdl_gl_getprocaddress

Query: sdl_gl_getprocaddress

OS: opensolaris

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

SDL_GL_GetProcAddress(3)					 SDL API Reference					  SDL_GL_GetProcAddress(3)

NAME
SDL_GL_GetProcAddress - Get the address of a GL function
SYNOPSIS
#include "SDL.h" void *SDL_GL_GetProcAddress(const char* proc);
DESCRIPTION
Returns the address of the GL function proc, or NULL if the function is not found. If the GL library is loaded at runtime, with SDL_GL_LoadLibrary, then all GL functions must be retrieved this way. Usually this is used to retrieve function pointers to OpenGL exten- sions.
EXAMPLE
typedef void (*GL_ActiveTextureARB_Func)(unsigned int); GL_ActiveTextureARB_Func glActiveTextureARB_ptr = 0; int has_multitexture=1; . . . /* Get function pointer */ glActiveTextureARB_ptr=(GL_ActiveTextureARB_Func) SDL_GL_GetProcAddress("glActiveTextureARB"); /* Check for a valid function ptr */ if(!glActiveTextureARB_ptr){ fprintf(stderr, "Multitexture Extensions not present. "); has_multitexture=0; } . . . . if(has_multitexture){ glActiveTextureARB_ptr(GL_TEXTURE0_ARB); . . } else{ . . }
SEE ALSO
SDL_GL_LoadLibrary
SDL
Tue 11 Sep 2001, 23:01 SDL_GL_GetProcAddress(3)
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sdl_joystickopen(3) - opensolaris
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