Mercurial > sdl-ios-xcode

comparison src/video/SDL_video.c @ 650:fe445b59d307

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We need to lookup the address of glGetString before calling GL_MakeCurrent(), since the X11 target needs to query for extensions in there...hopefully this other platforms don't need to have a current context before symbol lookup works or something strange like that... --ryan.
author Ryan C. Gordon <icculus@icculus.org>
date Sat, 12 Jul 2003 13:30:30 +0000
parents 550bccdf04bd
children 9c42ee1b7d77
comparison
equal deleted inserted replaced
649:81c74904f51f 650:fe445b59d307
720 video->UpdateMouse(this); 720 video->UpdateMouse(this);
721 } 721 }
722 SDL_WM_GrabInput(saved_grab); 722 SDL_WM_GrabInput(saved_grab);
723 SDL_GetRelativeMouseState(NULL, NULL); /* Clear first large delta */ 723 SDL_GetRelativeMouseState(NULL, NULL); /* Clear first large delta */
724 724
725 /* If we're running OpenGL, make the context current */
726 if ( (video->screen->flags & SDL_OPENGL) &&
727 video->GL_MakeCurrent ) {
728 if ( video->GL_MakeCurrent(this) < 0 ) {
729 return(NULL);
730 }
731 }
732
733 /* Set up a fake SDL surface for OpenGL "blitting" */
734 if ( (flags & SDL_OPENGLBLIT) == SDL_OPENGLBLIT ) {
735 /* Load GL functions for performing the texture updates */
736 #ifdef HAVE_OPENGL 725 #ifdef HAVE_OPENGL
726 /* Load GL symbols (before MakeCurrent, where we need glGetString). */
727 if ( flags & (SDL_OPENGL | SDL_OPENGLBLIT) ) {
737 #define SDL_PROC(ret,func,params) \ 728 #define SDL_PROC(ret,func,params) \
738 do { \ 729 do { \
739 video->func = SDL_GL_GetProcAddress(#func); \ 730 video->func = SDL_GL_GetProcAddress(#func); \
740 if ( ! video->func ) { \ 731 if ( ! video->func ) { \
741 SDL_SetError("Couldn't load GL function: %s\n", #func); \ 732 SDL_SetError("Couldn't load GL function: %s\n", #func); \
742 return(NULL); \ 733 return(NULL); \
743 } \ 734 } \
744 } while ( 0 ); 735 } while ( 0 );
745 #include "SDL_glfuncs.h" 736 #include "SDL_glfuncs.h"
746 #undef SDL_PROC 737 #undef SDL_PROC
738 }
739 #endif
740
741 /* If we're running OpenGL, make the context current */
742 if ( (video->screen->flags & SDL_OPENGL) &&
743 video->GL_MakeCurrent ) {
744 if ( video->GL_MakeCurrent(this) < 0 ) {
745 return(NULL);
746 }
747 }
748
749 /* Set up a fake SDL surface for OpenGL "blitting" */
750 if ( (flags & SDL_OPENGLBLIT) == SDL_OPENGLBLIT ) {
751 /* Load GL functions for performing the texture updates */
752 #ifdef HAVE_OPENGL
747 753
748 /* Create a software surface for blitting */ 754 /* Create a software surface for blitting */
749 #ifdef GL_VERSION_1_2 755 #ifdef GL_VERSION_1_2
750 /* If the implementation either supports the packed pixels 756 /* If the implementation either supports the packed pixels
751 extension, or implements the core OpenGL 1.2 API, it will 757 extension, or implements the core OpenGL 1.2 API, it will