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SDL2 platform: OpenGL support, part 1

This commit is contained in:
Vadim Lopatin 2014-04-30 11:08:01 +04:00
parent b076ed5859
commit 8e312aaacd
1 changed files with 82 additions and 36 deletions
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118
src/dlangui/platforms/sdl/sdlapp.d
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@ -49,21 +49,62 @@ version(USE_SDL) {
debug Log.d("Destroying SDL window");
if (_renderer)
SDL_DestroyRenderer(_renderer);
if (_context)
SDL_GL_DeleteContext(_context);
if (_win)
SDL_DestroyWindow(_win);
}
static private bool _sdlReloaded = false;
SDL_GLContext _context;
bool create() {
_win = SDL_CreateWindow(_caption.toStringz, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 700, 500, SDL_WINDOW_RESIZABLE);
uint windowFlags = SDL_WINDOW_RESIZABLE;
if (_enableOpengl)
windowFlags |= SDL_WINDOW_OPENGL;
_win = SDL_CreateWindow(_caption.toStringz, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
700, 500,
windowFlags);
if (!_win) {
if (_enableOpengl) {
Log.e("SDL_CreateWindow failed - cannot create OpenGL window: ", fromStringz(SDL_GetError()));
_enableOpengl = false;
// recreate w/o OpenGL
windowFlags &= ~SDL_WINDOW_OPENGL;
_win = SDL_CreateWindow(_caption.toStringz, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
700, 500,
windowFlags);
}
}
if (!_win) {
Log.e("SDL2: Failed to create window");
return false;
}
_renderer = SDL_CreateRenderer(_win, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
if (!_renderer) {
Log.e("SDL2: Failed to create renderer");
return false;
}
if (_enableOpengl) {
_context = SDL_GL_CreateContext(_win); // Create the actual context and make it current
if (!_context) {
Log.e("SDL_GL_CreateContext failed: ", fromStringz(SDL_GetError()));
_enableOpengl = false;
} else if (!_sdlReloaded) {
//if (SDL_GL_MakeCurrent(window, context)) {
// Log.e("SDL_GL_MakeCurrent failed: ", fromStringz(SDL_GetError()));
// _enableOpengl = false;
//}
DerelictGL3.reload(); //<-- BOOM SIGSEGV
_sdlReloaded = true;
}
//if (context)
// SDL_GL_DeleteContext(context);
//if (window)
// SDL_DestroyWindow(window);
}
if (!_enableOpengl) {
_renderer = SDL_CreateRenderer(_win, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
if (!_renderer) {
Log.e("SDL2: Failed to create renderer");
return false;
}
}
//windowCaption = _caption;
return true;
}
@ -134,6 +175,10 @@ version(USE_SDL) {
if (_enableOpengl) {
// now you can make GL calls.
glClearColor(0,0.3f,0.7f,1);
glClear(GL_COLOR_BUFFER_BIT);
SDL_GL_SwapWindow(_win);
version(USE_OPENGL) {
}
} else {
@ -446,12 +491,6 @@ version(USE_SDL) {
}
bool connect() {
try {
//DerelictGL3.load();
_enableOpengl = false;
} catch (Exception e) {
Log.e("Cannot load opengl library", e);
}
return true;
}
@ -698,13 +737,6 @@ version(USE_SDL) {
string[] args = splitCmdLine(cmdline);
Log.i("Command line params: ", args);
try {
// Load the SDL 2 library.
DerelictSDL2.load();
} catch (Exception e) {
Log.e("Cannot load SDL2 library", e);
return 1;
}
//_cmdShow = iCmdShow;
//_hInstance = hInstance;
@ -721,22 +753,6 @@ version(USE_SDL) {
setStderrLogger();
setLogLevel(LogLevel.Trace);
try {
// Load the SDL 2 library.
DerelictSDL2.load();
} catch (Exception e) {
Log.e("Cannot load SDL2 library", e);
return 1;
}
SDL_DisplayMode displayMode;
if (SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER|SDL_INIT_EVENTS) != 0) {
Log.e("Cannot init SDL2");
return 2;
}
scope(exit)SDL_Quit();
int request = SDL_GetDesktopDisplayMode(0,&displayMode);
FreeTypeFontManager ft = new FreeTypeFontManager();
// TODO: use FontConfig
@ -750,6 +766,36 @@ version(USE_SDL) {
int sdlmain(string[] args) {
currentTheme = createDefaultTheme();
try {
// Load the SDL 2 library.
DerelictSDL2.load();
} catch (Exception e) {
Log.e("Cannot load SDL2 library", e);
return 1;
}
try {
DerelictGL3.load();
_enableOpengl = true;
} catch (Exception e) {
Log.e("Cannot load opengl library", e);
}
SDL_DisplayMode displayMode;
if (SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER|SDL_INIT_EVENTS) != 0) {
Log.e("Cannot init SDL2");
return 2;
}
scope(exit)SDL_Quit();
int request = SDL_GetDesktopDisplayMode(0,&displayMode);
// we want OpenGL 3.3
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION,3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION,2);
// Set OpenGL attributes
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
SDLPlatform sdl = new SDLPlatform();
if (!sdl.connect()) {
return 1;