diff -r 71250942e95b -r c85ffe57d971 cocoaTouch/SDLOverrides/SDL_uikitopengles.m --- a/cocoaTouch/SDLOverrides/SDL_uikitopengles.m Sun Jan 24 19:01:51 2010 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,139 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2009 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org - */ - -#include "SDL_uikitopengles.h" -#include "SDL_uikitopenglview.h" -#include "SDL_uikitappdelegate.h" -#include "SDL_uikitwindow.h" -#include "jumphack.h" -#include "SDL_sysvideo.h" -#include "SDL_loadso.h" -#include - -static int UIKit_GL_Initialize(_THIS); - -void * -UIKit_GL_GetProcAddress(_THIS, const char *proc) -{ - /* Look through all SO's for the proc symbol. Here's why: - -Looking for the path to the OpenGL Library seems not to work in the iPhone Simulator. - -We don't know that the path won't change in the future. - */ - return SDL_LoadFunction(RTLD_DEFAULT, proc); -} - -/* - note that SDL_GL_Delete context makes it current without passing the window -*/ -int UIKit_GL_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context) -{ - - if (context) { - SDL_WindowData *data = (SDL_WindowData *)window->driverdata; - [data->view setCurrentContext]; - } - else { - [EAGLContext setCurrentContext: nil]; - } - - return 0; -} - -int -UIKit_GL_LoadLibrary(_THIS, const char *path) -{ - /* - shouldn't be passing a path into this function - why? Because we've already loaded the library - and because the SDK forbids loading an external SO - */ - if (path != NULL) { - SDL_SetError("iPhone GL Load Library just here for compatibility"); - return -1; - } - return 0; -} - - -void UIKit_GL_SwapWindow(_THIS, SDL_Window * window) -{ - - SDL_WindowData *data = (SDL_WindowData *)window->driverdata; - - if (nil == data->view) { - return; - } - [data->view swapBuffers]; - /* since now we've got something to draw - make the window visible */ - [data->uiwindow makeKeyAndVisible]; - - /* we need to let the event cycle run, or the OS won't update the OpenGL view! */ - SDL_PumpEvents(); - -} - -SDL_GLContext UIKit_GL_CreateContext(_THIS, SDL_Window * window) -{ - - SDL_uikitopenglview *view; - - SDL_WindowData *data = (SDL_WindowData *)window->driverdata; - - /* construct our view, passing in SDL's OpenGL configuration data */ - view = [[SDL_uikitopenglview alloc] initWithFrame: [[UIScreen mainScreen] applicationFrame] \ - retainBacking: _this->gl_config.retained_backing \ - rBits: _this->gl_config.red_size \ - gBits: _this->gl_config.green_size \ - bBits: _this->gl_config.blue_size \ - aBits: _this->gl_config.alpha_size \ - depthBits: _this->gl_config.depth_size]; - - // add a tag to be able to remove from superview once finished - view.tag = 54867; - data->view = view; - - /* add the view to our window */ - [data->uiwindow addSubview: view ]; - - /* Don't worry, the window retained the view */ - [view release]; - - if ( UIKit_GL_MakeCurrent(_this, window, view) < 0 ) { - UIKit_GL_DeleteContext(_this, view); - return NULL; - } - - return view; -} - -void UIKit_GL_DeleteContext(_THIS, SDL_GLContext context) -{ - /* the delegate has retained the view, this will release him */ - SDL_uikitopenglview *view = (SDL_uikitopenglview *)context; - /* this will also delete it */ - [view removeFromSuperview]; - - return; -} - -