Mercurial > sdl-ios-xcode
view test/nds-test-progs/general/source/main.c @ 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 | 204be4fc2726 |
children | 7aba0406c273 |
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#include <SDL/SDL.h> #if defined(NDS) || defined(__NDS__) || defined (__NDS) #include <nds.h> #include <fat.h> #else #define swiWaitForVBlank() #define consoleDemoInit() #define fatInitDefault() #define RGB15(r,g,b) SDL_MapRGB(screen->format,((r)<<3),((g)<<3),((b)<<3)) #endif void splash(SDL_Surface * screen, int s) { SDL_Surface *logo; SDL_Rect area = { 0, 0, 256, 192 }; logo = SDL_LoadBMP("sdl.bmp"); if (!logo) { printf("Couldn't splash.\n"); return; } /*logo->flags &= ~SDL_PREALLOC; */ SDL_BlitSurface(logo, NULL, screen, &area); SDL_Flip(screen); while (s-- > 0) { int i = 60; while (--i) swiWaitForVBlank(); } } int main(void) { SDL_Surface *screen; SDL_Joystick *stick; SDL_Event event; SDL_Rect rect = { 0, 0, 256, 192 }; int i; consoleDemoInit(); puts("Hello world! Initializing FAT..."); fatInitDefault(); if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0) { puts("# error initializing SDL"); puts(SDL_GetError()); return 1; } puts("* initialized SDL"); screen = SDL_SetVideoMode(256, 192, 15, SDL_SWSURFACE); if (!screen) { puts("# error setting video mode"); puts(SDL_GetError()); return 2; } screen->flags &= ~SDL_PREALLOC; puts("* set video mode"); stick = SDL_JoystickOpen(0); if (stick == NULL) { puts("# error opening joystick"); puts(SDL_GetError()); // return 3; } puts("* opened joystick"); /*splash(screen, 3); */ SDL_FillRect(screen, &rect, RGB15(0, 0, 31) | 0x8000); SDL_Flip(screen); while (1) while (SDL_PollEvent(&event)) switch (event.type) { case SDL_JOYBUTTONDOWN: SDL_FillRect(screen, &rect, (u16) rand() | 0x8000); SDL_Flip(screen); if (rect.w > 8) { rect.x += 4; rect.y += 3; rect.w -= 8; rect.h -= 6; } printf("button %d pressed at %d ticks\n", event.jbutton.which, SDL_GetTicks()); break; case SDL_QUIT: SDL_Quit(); return 0; default: break; } return 0; }