void OpenGLSdlGraphicsManager::notifyResize(const uint width, const uint height) {
#if SDL_VERSION_ATLEAST(2, 0, 0)
// We sometime get outdated resize events from SDL2. So check that the size we get
// is the actual current window size. If not ignore the resize.
// The issue for example occurs when switching from fullscreen to windowed mode or
// when switching between different fullscreen resolutions because SDL_DestroyWindow
// for a fullscreen window that doesn't have the SDL_WINDOW_FULLSCREEN_DESKTOP flag
// causes a SDL_WINDOWEVENT_RESIZED event with the old resolution to be sent, and this
// event is processed after recreating the window at the new resolution.
int currentWidth, currentHeight;
getWindowDimensions(¤tWidth, ¤tHeight);
if (width != (uint)currentWidth || height != (uint)currentHeight)
return;
setActualScreenSize(width, height);
_eventSource->resetKeyboardEmulation(width - 1, height - 1);
#else
if (!_ignoreResizeEvents && _hwScreen && !(_hwScreen->flags & SDL_FULLSCREEN)) {
// We save that we handled a resize event here. We need to know this
// so we do not overwrite the users requested window size whenever we
// switch aspect ratio or similar.
_gotResize = true;
if (!setupMode(width, height)) {
warning("OpenGLSdlGraphicsManager::notifyResize: Resize failed ('%s')", SDL_GetError());
g_system->quit();
}
}
#endif
}
result TizenGraphicsManager::Construct() {
// Initialize our OpenGL ES context.
loadEgl();
// Notify the OpenGL code about our context.
// We default to RGB565 and RGBA5551 which is closest to the actual output
// mode we setup.
notifyContextCreate(Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0), Graphics::PixelFormat(2, 5, 5, 5, 1, 11, 6, 1, 0));
// Tell our size.
int x, y, width, height;
_appForm->GetBounds(x, y, width, height);
AppLog("screen size: %dx%d", width, height);
setActualScreenSize(width, height);
return E_SUCCESS;
}
void OpenGLGraphicsManager::notifyContextCreate(const Graphics::PixelFormat &defaultFormat, const Graphics::PixelFormat &defaultFormatAlpha) {
// Initialize all extensions.
initializeGLExtensions();
// Disable 3D properties.
GLCALL(glDisable(GL_CULL_FACE));
GLCALL(glDisable(GL_DEPTH_TEST));
GLCALL(glDisable(GL_LIGHTING));
GLCALL(glDisable(GL_FOG));
GLCALL(glDisable(GL_DITHER));
GLCALL(glShadeModel(GL_FLAT));
GLCALL(glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST));
// Default to black as clear color.
GLCALL(glClearColor(0.0f, 0.0f, 0.0f, 0.0f));
GLCALL(glColor4f(1.0f, 1.0f, 1.0f, 1.0f));
// Setup alpha blend (for overlay and cursor).
GLCALL(glEnable(GL_BLEND));
GLCALL(glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
// Enable rendering with vertex and coord arrays.
GLCALL(glEnableClientState(GL_VERTEX_ARRAY));
GLCALL(glEnableClientState(GL_TEXTURE_COORD_ARRAY));
GLCALL(glEnable(GL_TEXTURE_2D));
// We use a "pack" alignment (when reading from textures) to 4 here,
// since the only place where we really use it is the BMP screenshot
// code and that requires the same alignment too.
GLCALL(glPixelStorei(GL_PACK_ALIGNMENT, 4));
// Query information needed by textures.
Texture::queryTextureInformation();
// Refresh the output screen dimensions if some are set up.
if (_outputScreenWidth != 0 && _outputScreenHeight != 0) {
setActualScreenSize(_outputScreenWidth, _outputScreenHeight);
}
// TODO: Should we try to convert textures into one of those formats if
// possible? For example, when _gameScreen is CLUT8 we might want to use
// defaultFormat now.
_defaultFormat = defaultFormat;
_defaultFormatAlpha = defaultFormatAlpha;
if (_gameScreen) {
_gameScreen->recreateInternalTexture();
}
if (_overlay) {
_overlay->recreateInternalTexture();
}
if (_cursor) {
_cursor->recreateInternalTexture();
}
#ifdef USE_OSD
if (_osd) {
_osd->recreateInternalTexture();
}
#endif
}
bool OpenGLSdlGraphicsManager::setupMode(uint width, uint height) {
// In case we request a fullscreen mode we will use the mode the user
// has chosen last time or the biggest mode available.
if (_wantsFullScreen) {
if (_desiredFullscreenWidth && _desiredFullscreenHeight) {
// In case only a distinct set of modes is available we check
// whether the requested mode is actually available.
if (!_fullscreenVideoModes.empty()) {
VideoModeArray::const_iterator i = Common::find(_fullscreenVideoModes.begin(),
_fullscreenVideoModes.end(),
VideoMode(_desiredFullscreenWidth, _desiredFullscreenHeight));
// It's not available fall back to default.
if (i == _fullscreenVideoModes.end()) {
_desiredFullscreenWidth = 0;
_desiredFullscreenHeight = 0;
}
}
}
// In case no desired mode has been set we default to the biggest mode
// available or the requested mode in case we don't know any
// any fullscreen modes.
if (!_desiredFullscreenWidth || !_desiredFullscreenHeight) {
if (!_fullscreenVideoModes.empty()) {
VideoModeArray::const_iterator i = _fullscreenVideoModes.end();
--i;
_desiredFullscreenWidth = i->width;
_desiredFullscreenHeight = i->height;
} else {
_desiredFullscreenWidth = width;
_desiredFullscreenHeight = height;
}
}
// Remember our choice.
ConfMan.setInt("last_fullscreen_mode_width", _desiredFullscreenWidth, Common::ConfigManager::kApplicationDomain);
ConfMan.setInt("last_fullscreen_mode_height", _desiredFullscreenHeight, Common::ConfigManager::kApplicationDomain);
// Use our choice.
width = _desiredFullscreenWidth;
height = _desiredFullscreenHeight;
}
// This is pretty confusing since RGBA8888 talks about the memory
// layout here. This is a different logical layout depending on
// whether we run on little endian or big endian. However, we can
// only safely assume that RGBA8888 in memory layout is supported.
// Thus, we chose this one.
const Graphics::PixelFormat rgba8888 =
#ifdef SCUMM_LITTLE_ENDIAN
Graphics::PixelFormat(4, 8, 8, 8, 8, 0, 8, 16, 24);
#else
Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0);
#endif
#if SDL_VERSION_ATLEAST(2, 0, 0)
if (_glContext) {
notifyContextDestroy();
SDL_GL_DeleteContext(_glContext);
_glContext = nullptr;
}
_window->destroyWindow();
uint32 flags = SDL_WINDOW_OPENGL;
if (_wantsFullScreen) {
flags |= SDL_WINDOW_FULLSCREEN;
} else {
flags |= SDL_WINDOW_RESIZABLE;
}
// Request a OpenGL (ES) context we can use.
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, _glContextProfileMask);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, _glContextMajor);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, _glContextMinor);
if (!_window->createWindow(width, height, flags)) {
// We treat fullscreen requests as a "hint" for now. This means in
// case it is not available we simply ignore it.
if (_wantsFullScreen) {
_window->createWindow(width, height, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE);
}
if (!_window->getSDLWindow()) {
return false;
}
}
_glContext = SDL_GL_CreateContext(_window->getSDLWindow());
if (!_glContext) {
return false;
}
notifyContextCreate(rgba8888, rgba8888);
int actualWidth, actualHeight;
getWindowDimensions(&actualWidth, &actualHeight);
setActualScreenSize(actualWidth, actualHeight);
_eventSource->resetKeyboardEmulation(actualWidth - 1, actualHeight - 1);
return true;
#else
// WORKAROUND: Working around infamous SDL bugs when switching
// resolutions too fast. This might cause the event system to supply
// incorrect mouse position events otherwise.
// Reference: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=665779
const uint32 curTime = SDL_GetTicks();
if (_hwScreen && (curTime < _lastVideoModeLoad || curTime - _lastVideoModeLoad < 100)) {
for (int i = 10; i > 0; --i) {
SDL_PumpEvents();
SDL_Delay(10);
}
}
uint32 flags = SDL_OPENGL;
if (_wantsFullScreen) {
flags |= SDL_FULLSCREEN;
} else {
flags |= SDL_RESIZABLE;
}
if (_hwScreen) {
// When a video mode has been setup already we notify the manager that
// the context is about to be destroyed.
// We do this because on Windows SDL_SetVideoMode can destroy and
// recreate the OpenGL context.
notifyContextDestroy();
}
_hwScreen = SDL_SetVideoMode(width, height, 32, flags);
if (!_hwScreen) {
// We treat fullscreen requests as a "hint" for now. This means in
// case it is not available we simply ignore it.
if (_wantsFullScreen) {
_hwScreen = SDL_SetVideoMode(width, height, 32, SDL_OPENGL | SDL_RESIZABLE);
}
}
// Part of the WORKAROUND mentioned above.
_lastVideoModeLoad = SDL_GetTicks();
if (_hwScreen) {
notifyContextCreate(rgba8888, rgba8888);
setActualScreenSize(_hwScreen->w, _hwScreen->h);
_eventSource->resetKeyboardEmulation(_hwScreen->w - 1, _hwScreen->h - 1);
}
// Ignore resize events (from SDL) for a few frames, if this isn't
// caused by a notification from SDL. This avoids bad resizes to a
// (former) resolution for which we haven't processed an event yet.
if (!_gotResize)
_ignoreResizeEvents = 10;
return _hwScreen != nullptr;
#endif
}
void OpenGLGraphicsManager::notifyContextCreate(const Graphics::PixelFormat &defaultFormat, const Graphics::PixelFormat &defaultFormatAlpha) {
// Initialize context for use.
initializeGLContext();
// Initialize pipeline.
delete _pipeline;
_pipeline = nullptr;
#if !USE_FORCED_GLES
if (g_context.shadersSupported) {
ShaderMan.notifyCreate();
_pipeline = new ShaderPipeline(ShaderMan.query(ShaderManager::kDefault));
}
#endif
#if !USE_FORCED_GLES2
if (_pipeline == nullptr) {
_pipeline = new FixedPipeline();
}
#endif
g_context.setPipeline(_pipeline);
// Disable 3D properties.
GL_CALL(glDisable(GL_CULL_FACE));
GL_CALL(glDisable(GL_DEPTH_TEST));
GL_CALL(glDisable(GL_DITHER));
g_context.getActivePipeline()->setColor(1.0f, 1.0f, 1.0f, 1.0f);
GL_CALL(glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
// Setup backbuffer state.
// Default to black as clear color.
_backBuffer.setClearColor(0.0f, 0.0f, 0.0f, 0.0f);
// Setup alpha blend (for overlay and cursor).
_backBuffer.enableBlend(true);
// Setup scissor state accordingly.
_backBuffer.enableScissorTest(!_overlayVisible);
g_context.getActivePipeline()->setFramebuffer(&_backBuffer);
// Clear the whole screen for the first three frames to assure any
// leftovers are cleared.
_scissorOverride = 3;
// We use a "pack" alignment (when reading from textures) to 4 here,
// since the only place where we really use it is the BMP screenshot
// code and that requires the same alignment too.
GL_CALL(glPixelStorei(GL_PACK_ALIGNMENT, 4));
// Refresh the output screen dimensions if some are set up.
if (_outputScreenWidth != 0 && _outputScreenHeight != 0) {
setActualScreenSize(_outputScreenWidth, _outputScreenHeight);
}
// TODO: Should we try to convert textures into one of those formats if
// possible? For example, when _gameScreen is CLUT8 we might want to use
// defaultFormat now.
_defaultFormat = defaultFormat;
_defaultFormatAlpha = defaultFormatAlpha;
if (_gameScreen) {
_gameScreen->recreate();
}
if (_overlay) {
_overlay->recreate();
}
if (_cursor) {
_cursor->recreate();
}
#ifdef USE_OSD
if (_osdMessageSurface) {
_osdMessageSurface->recreate();
}
if (_osdIconSurface) {
_osdIconSurface->recreate();
}
#endif
}
bool OpenGLSdlGraphicsManager::setupMode(uint width, uint height) {
// In case we request a fullscreen mode we will use the mode the user
// has chosen last time or the biggest mode available.
if (_wantsFullScreen) {
if (_desiredFullscreenWidth && _desiredFullscreenHeight) {
// In case only a distinct set of modes is available we check
// whether the requested mode is actually available.
if (!_fullscreenVideoModes.empty()) {
VideoModeArray::const_iterator i = Common::find(_fullscreenVideoModes.begin(),
_fullscreenVideoModes.end(),
VideoMode(_desiredFullscreenWidth, _desiredFullscreenHeight));
// It's not available fall back to default.
if (i == _fullscreenVideoModes.end()) {
_desiredFullscreenWidth = 0;
_desiredFullscreenHeight = 0;
}
}
}
// In case no desired mode has been set we default to the biggest mode
// available or the requested mode in case we don't know any
// any fullscreen modes.
if (!_desiredFullscreenWidth || !_desiredFullscreenHeight) {
if (!_fullscreenVideoModes.empty()) {
VideoModeArray::const_iterator i = _fullscreenVideoModes.end();
--i;
_desiredFullscreenWidth = i->width;
_desiredFullscreenHeight = i->height;
} else {
_desiredFullscreenWidth = width;
_desiredFullscreenHeight = height;
}
}
// Remember our choice.
ConfMan.setInt("last_fullscreen_mode_width", _desiredFullscreenWidth, Common::ConfigManager::kApplicationDomain);
ConfMan.setInt("last_fullscreen_mode_height", _desiredFullscreenHeight, Common::ConfigManager::kApplicationDomain);
// Use our choice.
width = _desiredFullscreenWidth;
height = _desiredFullscreenHeight;
}
// WORKAROUND: Working around infamous SDL bugs when switching
// resolutions too fast. This might cause the event system to supply
// incorrect mouse position events otherwise.
// Reference: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=665779
const uint32 curTime = SDL_GetTicks();
if (_hwScreen && (curTime < _lastVideoModeLoad || curTime - _lastVideoModeLoad < 100)) {
for (int i = 10; i > 0; --i) {
SDL_PumpEvents();
SDL_Delay(10);
}
}
_lastVideoModeLoad = curTime;
uint32 flags = SDL_OPENGL;
if (_wantsFullScreen) {
flags |= SDL_FULLSCREEN;
} else {
flags |= SDL_RESIZABLE;
}
_hwScreen = SDL_SetVideoMode(width, height, 32, flags);
if (!_hwScreen) {
// We treat fullscreen requests as a "hint" for now. This means in
// case it is not available we simply ignore it.
if (_wantsFullScreen) {
_hwScreen = SDL_SetVideoMode(width, height, 32, SDL_OPENGL | SDL_RESIZABLE);
}
}
if (_hwScreen) {
const Graphics::PixelFormat rgba8888 = Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0);
notifyContextChange(rgba8888, rgba8888);
setActualScreenSize(_hwScreen->w, _hwScreen->h);
}
return _hwScreen != nullptr;
}
