annotate src/video/uikit/SDL_uikitappdelegate.m @ 3100:7dc982143c06

Date: Sun, 22 Mar 2009 12:52:29 +0000 From: Luke Benstead Subject: OpenGL 3.0 Context Creation I've attached a patch which implements OpenGL 3.x context creation on the latest SVN. I've added two options to SDL_GL_SetAttribute, these are SDL_GL_CONTEXT_MAJOR_VERSION and SDL_GL_CONTEXT_MINOR_VERSION. These default to 2 and 1 respectively. If the major version is less than 3 then the current context creation method is used, otherwise the appropriate new context creation function is called (depending on the platform). Sample code: if (SDL_Init(SDL_INIT_VIDEO) != 0) { printf("Unable to initialize SDL: %s\n", SDL_GetError()); return 1; } SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); //Without these 2 lines, SDL will create a GL 2.x context SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0); SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); SDL_Surface* screen = SDL_SetVideoMode( 640, 480, 16, SDL_OPENGL | SDL_FULLSCREEN ); I've implemented context creation on both Win32 and X and run basic tests on both. This patch doesn't provide access to all the options allowed by the new context creation (e.g. shared contexts, forward compatible contexts) but they can be added pretty easily.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 24 Mar 2009 10:43:53 +0000
parents 99210400e8b9
children 4ec48602f1db
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #import "SDL_uikitappdelegate.h"
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24 #import "SDL_uikitopenglview.h"
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25 #import "SDL_events_c.h"
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26 #import "jumphack.h"
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27
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28 #ifdef main
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29 #undef main
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30 #endif
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31
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32 extern int SDL_main(int argc, char *argv[]);
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33 static int forward_argc;
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34 static char **forward_argv;
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35
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36 int main(int argc, char **argv) {
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37
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38 int i;
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39 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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40
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41 /* store arguments */
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42 forward_argc = argc;
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43 forward_argv = (char **)malloc(argc * sizeof(char *));
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44 for (i=0; i<argc; i++) {
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45 forward_argv[i] = malloc( (strlen(argv[i])+1) * sizeof(char));
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46 strcpy(forward_argv[i], argv[i]);
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47 }
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48
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49 /* Give over control to run loop, SDLUIKitDelegate will handle most things from here */
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50 UIApplicationMain(argc, argv, NULL, @"SDLUIKitDelegate");
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51
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52 [pool release];
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53
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54 }
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55
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56 @implementation SDLUIKitDelegate
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57
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58 @synthesize window;
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59
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60 /* convenience method */
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61 +(SDLUIKitDelegate *)sharedAppDelegate {
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62 /* the delegate is set in UIApplicationMain(), which is garaunteed to be called before this method */
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63 return (SDLUIKitDelegate *)[[UIApplication sharedApplication] delegate];
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64 }
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65
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66 - (id)init {
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67 self = [super init];
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68 window = nil;
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69 return self;
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70 }
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71
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72 - (void)applicationDidFinishLaunching:(UIApplication *)application {
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73
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74 /* Set working directory to resource path */
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75 [[NSFileManager defaultManager] changeCurrentDirectoryPath: [[NSBundle mainBundle] resourcePath]];
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76
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77 /* run the user's application, passing argc and argv */
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78 int exit_status = SDL_main(forward_argc, forward_argv);
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79
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80 /* free the memory we used to hold copies of argc and argv */
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81 int i;
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82 for (i=0; i<forward_argc; i++) {
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83 free(forward_argv[i]);
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84 }
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85 free(forward_argv);
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86
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87 /* exit, passing the return status from the user's application */
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88 exit(exit_status);
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89
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90 }
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91
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92 - (void)applicationWillTerminate:(UIApplication *)application {
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93
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94 SDL_SendQuit();
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95 /* hack to prevent automatic termination. See SDL_uikitevents.m for details */
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96 longjmp(*(jump_env()), 1);
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97
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98 }
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99
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100 -(void)dealloc {
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101 [window release];
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102 [super dealloc];
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103 }
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104
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105 @end