SurfaceSdlGraphicsManager::~SurfaceSdlGraphicsManager() {
// Unregister the event observer
if (g_system->getEventManager()->getEventDispatcher() != NULL)
g_system->getEventManager()->getEventDispatcher()->unregisterObserver(this);
closeOverlay();
}
SurfaceSdlGraphicsManager::~SurfaceSdlGraphicsManager() {
closeOverlay();
}
Graphics::PixelBuffer SurfaceSdlGraphicsManager::setupScreen(uint screenW, uint screenH, bool fullscreen, bool accel3d) {
uint32 sdlflags;
int bpp;
closeOverlay();
#ifdef USE_OPENGL
_opengl = accel3d;
_antialiasing = 0;
#endif
_fullscreen = fullscreen;
ConfMan.registerDefault("fullscreen_res", "desktop");
const Common::String &fsres = ConfMan.get("fullscreen_res");
if (fsres != "desktop") {
uint newW, newH;
int converted = sscanf(fsres.c_str(), "%ux%u", &newW, &newH);
if (converted == 2) {
_desktopW = newW;
_desktopH = newH;
} else {
warning("Could not parse 'fullscreen_res' option: expected WWWxHHH, got %s", fsres.c_str());
}
}
ConfMan.registerDefault("aspect_ratio", true);
_lockAspectRatio = ConfMan.getBool("aspect_ratio");
uint fbW = screenW;
uint fbH = screenH;
_gameRect = Math::Rect2d(Math::Vector2d(0, 0), Math::Vector2d(1, 1));
#ifdef USE_OPENGL
bool framebufferSupported = false;
// Use the desktop resolution for fullscreen when possible
if (_fullscreen) {
if (g_engine->hasFeature(Engine::kSupportsArbitraryResolutions)) {
// If the game supports arbitrary resolutions, use the desktop mode as the game mode
screenW = _desktopW;
screenH = _desktopH;
} else if (_opengl) {
// If available, draw to a framebuffer and scale it to the desktop resolution
#ifndef AMIGAOS
// Spawn a 32x32 window off-screen
SDL_putenv(const_cast<char *>("SDL_VIDEO_WINDOW_POS=9000,9000"));
SDL_SetVideoMode(32, 32, 0, SDL_OPENGL);
SDL_putenv(const_cast<char *>("SDL_VIDEO_WINDOW_POS=centered"));
Graphics::initExtensions();
framebufferSupported = Graphics::isExtensionSupported("GL_EXT_framebuffer_object");
if (_fullscreen && framebufferSupported) {
screenW = _desktopW;
screenH = _desktopH;
if (_lockAspectRatio) {
float scale = MIN(_desktopH / float(fbH), _desktopW / float(fbW));
float scaledW = scale * (fbW / float(_desktopW));
float scaledH = scale * (fbH / float(_desktopH));
_gameRect = Math::Rect2d(
Math::Vector2d(0.5 - (0.5 * scaledW), 0.5 - (0.5 * scaledH)),
Math::Vector2d(0.5 + (0.5 * scaledW), 0.5 + (0.5 * scaledH))
);
}
}
#endif
}
}
if (_opengl) {
if (ConfMan.hasKey("antialiasing"))
_antialiasing = ConfMan.getInt("antialiasing");
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
setAntialiasing(true);
sdlflags = SDL_OPENGL;
bpp = 24;
} else
#endif
{
bpp = 16;
sdlflags = SDL_SWSURFACE;
}
if (_fullscreen && !accel3d && _lockAspectRatio) {
screenW = _desktopW;
screenH = _desktopH;
_gameRect = Math::Rect2d(
Math::Vector2d((_desktopW - fbW) / 2, (_desktopH - fbH) / 2),
Math::Vector2d((_desktopW + fbW) / 2, (_desktopH + fbH) / 2)
);
}
if (_fullscreen)
sdlflags |= SDL_FULLSCREEN;
_screen = SDL_SetVideoMode(screenW, screenH, bpp, sdlflags);
#ifdef USE_OPENGL
// If 32-bit with antialiasing failed, try 32-bit without antialiasing
if (!_screen && _opengl && _antialiasing) {
warning("Couldn't create 32-bit visual with AA, trying 32-bit without AA");
setAntialiasing(false);
_screen = SDL_SetVideoMode(screenW, screenH, bpp, sdlflags);
}
// If 32-bit failed, try 16-bit
if (!_screen && _opengl) {
warning("Couldn't create 32-bit visual, trying 16-bit");
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 1);
setAntialiasing(true);
_screen = SDL_SetVideoMode(screenW, screenH, 0, sdlflags);
}
// If 16-bit with antialiasing failed, try 16-bit without antialiasing
if (!_screen && _opengl && _antialiasing) {
warning("Couldn't create 16-bit visual with AA, trying 16-bit without AA");
setAntialiasing(false);
_screen = SDL_SetVideoMode(screenW, screenH, 0, sdlflags);
}
// If 16-bit with alpha failed, try 16-bit without alpha
if (!_screen && _opengl) {
warning("Couldn't create 16-bit visual with alpha, trying without alpha");
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 6);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 0);
setAntialiasing(true);
_screen = SDL_SetVideoMode(screenW, screenH, 0, sdlflags);
}
// If 16-bit without alpha and with antialiasing didn't work, try without antialiasing
if (!_screen && _opengl && _antialiasing) {
warning("Couldn't create 16-bit visual with AA, trying 16-bit without AA");
setAntialiasing(false);
_screen = SDL_SetVideoMode(screenW, screenH, 0, sdlflags);
}
#endif
if (!_screen) {
warning("Error: %s", SDL_GetError());
g_system->quit();
}
#ifdef USE_OPENGL
if (_opengl) {
int glflag;
const GLubyte *str;
// apply atribute again for sure based on SDL docs
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
str = glGetString(GL_VENDOR);
debug("INFO: OpenGL Vendor: %s", str);
str = glGetString(GL_RENDERER);
debug("INFO: OpenGL Renderer: %s", str);
str = glGetString(GL_VERSION);
debug("INFO: OpenGL Version: %s", str);
SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &glflag);
debug("INFO: OpenGL Red bits: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &glflag);
debug("INFO: OpenGL Green bits: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &glflag);
debug("INFO: OpenGL Blue bits: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_ALPHA_SIZE, &glflag);
debug("INFO: OpenGL Alpha bits: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &glflag);
debug("INFO: OpenGL Z buffer depth bits: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &glflag);
debug("INFO: OpenGL Double Buffer: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_STENCIL_SIZE, &glflag);
debug("INFO: OpenGL Stencil buffer bits: %d", glflag);
#ifdef USE_GLEW
debug("INFO: GLEW Version: %s", glewGetString(GLEW_VERSION));
GLenum err = glewInit();
if (err != GLEW_OK) {
warning("Error: %s", glewGetErrorString(err));
g_system->quit();
}
#endif
#ifdef USE_OPENGL_SHADERS
debug("INFO: GLSL version: %s", glGetString(GL_SHADING_LANGUAGE_VERSION));
const GLfloat vertices[] = {
0.0, 0.0,
1.0, 0.0,
0.0, 1.0,
1.0, 1.0,
};
// Setup the box shader used to render the overlay
const char* attributes[] = { "position", "texcoord", NULL };
_boxShader = Graphics::Shader::fromStrings("box", Graphics::BuiltinShaders::boxVertex, Graphics::BuiltinShaders::boxFragment, attributes);
_boxVerticesVBO = Graphics::Shader::createBuffer(GL_ARRAY_BUFFER, sizeof(vertices), vertices);
_boxShader->enableVertexAttribute("position", _boxVerticesVBO, 2, GL_FLOAT, GL_TRUE, 2 * sizeof(float), 0);
_boxShader->enableVertexAttribute("texcoord", _boxVerticesVBO, 2, GL_FLOAT, GL_TRUE, 2 * sizeof(float), 0);
#endif
Graphics::initExtensions();
}
#endif
_overlayWidth = screenW;
_overlayHeight = screenH;
#ifdef USE_OPENGL
if (_opengl) {
uint32 rmask, gmask, bmask, amask;
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
rmask = 0x00001f00;
gmask = 0x000007e0;
bmask = 0x000000f8;
amask = 0x00000000;
#else
rmask = 0x0000f800;
gmask = 0x000007e0;
bmask = 0x0000001f;
amask = 0x00000000;
#endif
_overlayscreen = SDL_CreateRGBSurface(SDL_SWSURFACE, _overlayWidth, _overlayHeight, 16,
rmask, gmask, bmask, amask);
_overlayScreenGLFormat = GL_UNSIGNED_SHORT_5_6_5;
} else
#endif
{
_overlayscreen = SDL_CreateRGBSurface(SDL_SWSURFACE, _overlayWidth, _overlayHeight, 16,
_screen->format->Rmask, _screen->format->Gmask, _screen->format->Bmask, _screen->format->Amask);
}
if (!_overlayscreen) {
warning("Error: %s", SDL_GetError());
g_system->quit();
}
/*_overlayFormat.bytesPerPixel = _overlayscreen->format->BytesPerPixel;
// For some reason the values below aren't right, at least on my system
_overlayFormat.rLoss = _overlayscreen->format->Rloss;
_overlayFormat.gLoss = _overlayscreen->format->Gloss;
_overlayFormat.bLoss = _overlayscreen->format->Bloss;
_overlayFormat.aLoss = _overlayscreen->format->Aloss;
_overlayFormat.rShift = _overlayscreen->format->Rshift;
_overlayFormat.gShift = _overlayscreen->format->Gshift;
_overlayFormat.bShift = _overlayscreen->format->Bshift;
_overlayFormat.aShift = _overlayscreen->format->Ashift;*/
_overlayFormat = Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0);
_screenChangeCount++;
SDL_PixelFormat *f = _screen->format;
_screenFormat = Graphics::PixelFormat(f->BytesPerPixel, 8 - f->Rloss, 8 - f->Gloss, 8 - f->Bloss, 0,
f->Rshift, f->Gshift, f->Bshift, f->Ashift);
#if defined(USE_OPENGL) && !defined(AMIGAOS)
if (_opengl && _fullscreen
&& !g_engine->hasFeature(Engine::kSupportsArbitraryResolutions)
&& framebufferSupported) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
_frameBuffer = new Graphics::FrameBuffer(fbW, fbH);
_frameBuffer->attach();
}
#endif
if (_fullscreen && !accel3d) {
_subScreen = SDL_CreateRGBSurface(SDL_SWSURFACE, fbW, fbH, bpp, _screen->format->Rmask, _screen->format->Gmask, _screen->format->Bmask, _screen->format->Amask);
return Graphics::PixelBuffer(_screenFormat, (byte *)_subScreen->pixels);
}
return Graphics::PixelBuffer(_screenFormat, (byte *)_screen->pixels);
}
void SurfaceSdlGraphicsManager::launcherInitSize(uint w, uint h) {
closeOverlay();
setupScreen(w, h, false, false);
}
Graphics::PixelBuffer SurfaceSdlGraphicsManager::setupScreen(uint screenW, uint screenH, bool fullscreen, bool accel3d) {
uint32 sdlflags;
int bpp;
closeOverlay();
#ifdef USE_OPENGL
_opengl = accel3d;
_antialiasing = 0;
#endif
_fullscreen = fullscreen;
#ifdef USE_OPENGL
if (_opengl) {
if (ConfMan.hasKey("antialiasing"))
_antialiasing = ConfMan.getInt("antialiasing");
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
setAntialiasing(true);
sdlflags = SDL_OPENGL;
bpp = 24;
} else
#endif
{
bpp = 16;
sdlflags = SDL_SWSURFACE;
}
if (_fullscreen)
sdlflags |= SDL_FULLSCREEN;
_screen = SDL_SetVideoMode(screenW, screenH, bpp, sdlflags);
#ifdef USE_OPENGL
// If 32-bit with antialiasing failed, try 32-bit without antialiasing
if (!_screen && _opengl && _antialiasing) {
warning("Couldn't create 32-bit visual with AA, trying 32-bit without AA");
setAntialiasing(false);
_screen = SDL_SetVideoMode(screenW, screenH, bpp, sdlflags);
}
// If 32-bit failed, try 16-bit
if (!_screen && _opengl) {
warning("Couldn't create 32-bit visual, trying 16-bit");
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 1);
setAntialiasing(true);
_screen = SDL_SetVideoMode(screenW, screenH, 0, sdlflags);
}
// If 16-bit with antialiasing failed, try 16-bit without antialiasing
if (!_screen && _opengl && _antialiasing) {
warning("Couldn't create 16-bit visual with AA, trying 16-bit without AA");
setAntialiasing(false);
_screen = SDL_SetVideoMode(screenW, screenH, 0, sdlflags);
}
#endif
if (!_screen) {
warning("Error: %s", SDL_GetError());
g_system->quit();
}
#ifdef USE_OPENGL
if (_opengl) {
int glflag;
const GLubyte *str;
// apply atribute again for sure based on SDL docs
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
str = glGetString(GL_VENDOR);
debug("INFO: OpenGL Vendor: %s", str);
str = glGetString(GL_RENDERER);
debug("INFO: OpenGL Renderer: %s", str);
str = glGetString(GL_VERSION);
debug("INFO: OpenGL Version: %s", str);
SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &glflag);
debug("INFO: OpenGL Red bits: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &glflag);
debug("INFO: OpenGL Green bits: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &glflag);
debug("INFO: OpenGL Blue bits: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_ALPHA_SIZE, &glflag);
debug("INFO: OpenGL Alpha bits: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &glflag);
debug("INFO: OpenGL Z buffer depth bits: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &glflag);
debug("INFO: OpenGL Double Buffer: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_STENCIL_SIZE, &glflag);
debug("INFO: OpenGL Stencil buffer bits: %d", glflag);
#ifdef USE_OPENGL_SHADERS
debug("INFO: GLSL version: %s", glGetString(GL_SHADING_LANGUAGE_VERSION));
debug("INFO: GLEW Version: %s", glewGetString(GLEW_VERSION));
// GLEW needs to be initialized to use shaders
GLenum err = glewInit();
if (err != GLEW_OK) {
warning("Error: %s", glewGetErrorString(err));
g_system->quit();
}
const GLfloat vertices[] = {
0.0, 0.0,
1.0, 0.0,
0.0, 1.0,
1.0, 1.0,
};
// Setup the box shader used to render the overlay
const char* attributes[] = { "position", "texcoord", NULL };
_boxShader = Graphics::Shader::fromStrings("box", Graphics::BuiltinShaders::boxVertex, Graphics::BuiltinShaders::boxFragment, attributes);
_boxVerticesVBO = Graphics::Shader::createBuffer(GL_ARRAY_BUFFER, sizeof(vertices), vertices);
_boxShader->enableVertexAttribute("position", _boxVerticesVBO, 2, GL_FLOAT, GL_TRUE, 2 * sizeof(float), 0);
_boxShader->enableVertexAttribute("texcoord", _boxVerticesVBO, 2, GL_FLOAT, GL_TRUE, 2 * sizeof(float), 0);
#endif
}
#endif
_overlayWidth = screenW;
_overlayHeight = screenH;
#ifdef USE_OPENGL
if (_opengl) {
uint32 rmask, gmask, bmask, amask;
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
rmask = 0x00001f00;
gmask = 0x000007e0;
bmask = 0x000000f8;
amask = 0x00000000;
#else
rmask = 0x0000f800;
gmask = 0x000007e0;
bmask = 0x0000001f;
amask = 0x00000000;
#endif
_overlayscreen = SDL_CreateRGBSurface(SDL_SWSURFACE, _overlayWidth, _overlayHeight, 16,
rmask, gmask, bmask, amask);
_overlayScreenGLFormat = GL_UNSIGNED_SHORT_5_6_5;
} else
#endif
{
_overlayscreen = SDL_CreateRGBSurface(SDL_SWSURFACE, _overlayWidth, _overlayHeight, 16,
_screen->format->Rmask, _screen->format->Gmask, _screen->format->Bmask, _screen->format->Amask);
}
if (!_overlayscreen) {
warning("Error: %s", SDL_GetError());
g_system->quit();
}
/*_overlayFormat.bytesPerPixel = _overlayscreen->format->BytesPerPixel;
// For some reason the values below aren't right, at least on my system
_overlayFormat.rLoss = _overlayscreen->format->Rloss;
_overlayFormat.gLoss = _overlayscreen->format->Gloss;
_overlayFormat.bLoss = _overlayscreen->format->Bloss;
_overlayFormat.aLoss = _overlayscreen->format->Aloss;
_overlayFormat.rShift = _overlayscreen->format->Rshift;
_overlayFormat.gShift = _overlayscreen->format->Gshift;
_overlayFormat.bShift = _overlayscreen->format->Bshift;
_overlayFormat.aShift = _overlayscreen->format->Ashift;*/
_overlayFormat = Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0);
_screenChangeCount++;
SDL_PixelFormat *f = _screen->format;
_screenFormat = Graphics::PixelFormat(f->BytesPerPixel, 8 - f->Rloss, 8 - f->Gloss, 8 - f->Bloss, 0,
f->Rshift, f->Gshift, f->Bshift, f->Ashift);
return Graphics::PixelBuffer(_screenFormat, (byte *)_screen->pixels);
}
Graphics::PixelBuffer SurfaceSdlGraphicsManager::setupScreen(int screenW, int screenH, bool fullscreen, bool accel3d) {
uint32 sdlflags;
int bpp;
closeOverlay();
#ifdef USE_OPENGL
_opengl = accel3d;
_antialiasing = 0;
#endif
_fullscreen = fullscreen;
#ifdef USE_OPENGL
if (_opengl) {
if (ConfMan.hasKey("antialiasing"))
_antialiasing = ConfMan.getInt("antialiasing");
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
setAntialiasing(true);
sdlflags = SDL_OPENGL;
bpp = 24;
} else
#endif
{
bpp = 16;
sdlflags = SDL_HWSURFACE;
}
if (_fullscreen)
sdlflags |= SDL_FULLSCREEN;
_screen = SDL_SetVideoMode(screenW, screenH, bpp, sdlflags);
#ifdef USE_OPENGL
// If 32-bit with antialiasing failed, try 32-bit without antialiasing
if (!_screen && _opengl && _antialiasing) {
warning("Couldn't create 32-bit visual with AA, trying 32-bit without AA");
setAntialiasing(false);
_screen = SDL_SetVideoMode(screenW, screenH, bpp, sdlflags);
}
// If 32-bit failed, try 16-bit
if (!_screen && _opengl) {
warning("Couldn't create 32-bit visual, trying 16-bit");
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 1);
setAntialiasing(true);
_screen = SDL_SetVideoMode(screenW, screenH, 0, sdlflags);
}
// If 16-bit with antialiasing failed, try 16-bit without antialiasing
if (!_screen && _opengl && _antialiasing) {
warning("Couldn't create 16-bit visual with AA, trying 16-bit without AA");
setAntialiasing(false);
_screen = SDL_SetVideoMode(screenW, screenH, 0, sdlflags);
}
#endif
if (!_screen)
error("Could not initialize video: %s", SDL_GetError());
#ifdef USE_OPENGL
if (_opengl) {
int glflag;
// apply atribute again for sure based on SDL docs
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &glflag);
warning("INFO: GL RED bits: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &glflag);
warning("INFO: GL GREEN bits: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &glflag);
warning("INFO: GL BLUE bits: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_ALPHA_SIZE, &glflag);
warning("INFO: GL APLHA bits: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &glflag);
warning("INFO: GL Z buffer depth bits: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &glflag);
warning("INFO: GL Double Buffer: %d", glflag);
SDL_GL_GetAttribute(SDL_GL_STENCIL_SIZE, &glflag);
warning("INFO: GL Stencil buffer bits: %d", glflag);
}
#endif
_overlayWidth = screenW;
_overlayHeight = screenH;
#ifdef USE_OPENGL
if (_opengl) {
uint32 rmask, gmask, bmask, amask;
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
rmask = 0x00001f00;
gmask = 0x000007e0;
bmask = 0x000000f8;
amask = 0x00000000;
#else
rmask = 0x0000f800;
gmask = 0x000007e0;
bmask = 0x0000001f;
amask = 0x00000000;
#endif
_overlayscreen = SDL_CreateRGBSurface(SDL_SWSURFACE, _overlayWidth, _overlayHeight, 16,
rmask, gmask, bmask, amask);
} else
#endif
{
_overlayscreen = SDL_CreateRGBSurface(SDL_SWSURFACE, _overlayWidth, _overlayHeight, 16,
_screen->format->Rmask, _screen->format->Gmask, _screen->format->Bmask, _screen->format->Amask);
}
if (!_overlayscreen)
error("allocating _overlayscreen failed");
/*_overlayFormat.bytesPerPixel = _overlayscreen->format->BytesPerPixel;
// For some reason the values below aren't right, at least on my system
_overlayFormat.rLoss = _overlayscreen->format->Rloss;
_overlayFormat.gLoss = _overlayscreen->format->Gloss;
_overlayFormat.bLoss = _overlayscreen->format->Bloss;
_overlayFormat.aLoss = _overlayscreen->format->Aloss;
_overlayFormat.rShift = _overlayscreen->format->Rshift;
_overlayFormat.gShift = _overlayscreen->format->Gshift;
_overlayFormat.bShift = _overlayscreen->format->Bshift;
_overlayFormat.aShift = _overlayscreen->format->Ashift;*/
_overlayFormat = Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0);
_screenChangeCount++;
SDL_PixelFormat *f = _screen->format;
_screenFormat = Graphics::PixelFormat(f->BytesPerPixel, 8 - f->Rloss, 8 - f->Gloss, 8 - f->Bloss, 0,
f->Rshift, f->Gshift, f->Bshift, f->Ashift);
return Graphics::PixelBuffer(_screenFormat, (byte *)_screen->pixels);
}
