void SDLHardwareRenderDevice::destroyContext() {
resetGamma();
// we need to free all loaded graphics as they may be tied to the current context
RenderDevice::cacheRemoveAll();
reload_graphics = true;
if (icons) {
delete icons;
icons = NULL;
}
if (curs) {
delete curs;
curs = NULL;
}
SDL_FreeSurface(titlebar_icon);
titlebar_icon = NULL;
SDL_DestroyTexture(texture);
texture = NULL;
SDL_DestroyRenderer(renderer);
renderer = NULL;
SDL_DestroyWindow(window);
window = NULL;
if (title) {
free(title);
title = NULL;
}
return;
}
int SDLHardwareRenderDevice::createContextInternal() {
bool settings_changed = (fullscreen != settings->fullscreen ||
hwsurface != settings->hwsurface ||
vsync != settings->vsync ||
texture_filter != settings->texture_filter ||
ignore_texture_filter != eset->resolutions.ignore_texture_filter);
Uint32 w_flags = 0;
Uint32 r_flags = 0;
int window_w = settings->screen_w;
int window_h = settings->screen_h;
if (settings->fullscreen) {
w_flags = w_flags | SDL_WINDOW_FULLSCREEN_DESKTOP;
// make the window the same size as the desktop resolution
SDL_DisplayMode desktop;
if (SDL_GetDesktopDisplayMode(0, &desktop) == 0) {
window_w = desktop.w;
window_h = desktop.h;
}
}
else if (fullscreen && is_initialized) {
// if the game was previously in fullscreen, resize the window when returning to windowed mode
window_w = eset->resolutions.min_screen_w;
window_h = eset->resolutions.min_screen_h;
w_flags = w_flags | SDL_WINDOW_SHOWN;
}
else {
w_flags = w_flags | SDL_WINDOW_SHOWN;
}
w_flags = w_flags | SDL_WINDOW_RESIZABLE;
if (settings->hwsurface) {
r_flags = SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE;
}
else {
r_flags = SDL_RENDERER_SOFTWARE | SDL_RENDERER_TARGETTEXTURE;
settings->vsync = false; // can't have software mode & vsync at the same time
}
if (settings->vsync) r_flags = r_flags | SDL_RENDERER_PRESENTVSYNC;
if (settings_changed || !is_initialized) {
destroyContext();
window = SDL_CreateWindow(NULL, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, window_w, window_h, w_flags);
if (window) {
renderer = SDL_CreateRenderer(window, -1, r_flags);
if (renderer) {
if (settings->texture_filter && !eset->resolutions.ignore_texture_filter)
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "1");
else
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "0");
windowResize();
}
SDL_SetWindowMinimumSize(window, eset->resolutions.min_screen_w, eset->resolutions.min_screen_h);
// setting minimum size might move the window, so set position again
SDL_SetWindowPosition(window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
}
if (window && renderer) {
if (!is_initialized) {
// save the system gamma levels if we just created the window
SDL_GetWindowGammaRamp(window, gamma_r, gamma_g, gamma_b);
Utils::logInfo("RenderDevice: Window size is %dx%d", settings->screen_w, settings->screen_h);
}
fullscreen = settings->fullscreen;
hwsurface = settings->hwsurface;
vsync = settings->vsync;
texture_filter = settings->texture_filter;
ignore_texture_filter = eset->resolutions.ignore_texture_filter;
is_initialized = true;
Utils::logInfo("RenderDevice: Fullscreen=%d, Hardware surfaces=%d, Vsync=%d, Texture Filter=%d", fullscreen, hwsurface, vsync, texture_filter);
#if SDL_VERSION_ATLEAST(2, 0, 4)
SDL_GetDisplayDPI(0, &ddpi, 0, 0);
Utils::logInfo("RenderDevice: Display DPI is %f", ddpi);
#else
Utils::logError("RenderDevice: The SDL version used to compile Flare does not support SDL_GetDisplayDPI(). The virtual_dpi setting will be ignored.");
#endif
}
}
if (is_initialized) {
// update minimum window size if it has changed
if (min_screen.x != eset->resolutions.min_screen_w || min_screen.y != eset->resolutions.min_screen_h) {
min_screen.x = eset->resolutions.min_screen_w;
min_screen.y = eset->resolutions.min_screen_h;
SDL_SetWindowMinimumSize(window, eset->resolutions.min_screen_w, eset->resolutions.min_screen_h);
SDL_SetWindowPosition(window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
}
windowResize();
// update title bar text and icon
updateTitleBar();
// load persistent resources
delete icons;
icons = new IconManager();
delete curs;
curs = new CursorManager();
if (settings->change_gamma)
setGamma(settings->gamma);
else {
resetGamma();
settings->change_gamma = false;
settings->gamma = 1.0;
}
}
return (is_initialized ? 0 : -1);
}
int SDLHardwareRenderDevice::createContext(bool allow_fallback) {
bool settings_changed = (fullscreen != FULLSCREEN || hwsurface != HWSURFACE || vsync != VSYNC || texture_filter != TEXTURE_FILTER);
Uint32 w_flags = 0;
Uint32 r_flags = 0;
int window_w = SCREEN_W;
int window_h = SCREEN_H;
if (FULLSCREEN) {
w_flags = w_flags | SDL_WINDOW_FULLSCREEN_DESKTOP;
// make the window the same size as the desktop resolution
SDL_DisplayMode desktop;
if (SDL_GetDesktopDisplayMode(0, &desktop) == 0) {
window_w = desktop.w;
window_h = desktop.h;
}
}
else if (fullscreen && is_initialized) {
// if the game was previously in fullscreen, resize the window when returning to windowed mode
window_w = MIN_SCREEN_W;
window_h = MIN_SCREEN_H;
w_flags = w_flags | SDL_WINDOW_SHOWN;
}
else {
w_flags = w_flags | SDL_WINDOW_SHOWN;
}
w_flags = w_flags | SDL_WINDOW_RESIZABLE;
if (HWSURFACE) {
r_flags = SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE;
}
else {
r_flags = SDL_RENDERER_SOFTWARE | SDL_RENDERER_TARGETTEXTURE;
VSYNC = false; // can't have software mode & vsync at the same time
}
if (VSYNC) r_flags = r_flags | SDL_RENDERER_PRESENTVSYNC;
if (settings_changed || !is_initialized) {
destroyContext();
window = SDL_CreateWindow(NULL, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, window_w, window_h, w_flags);
if (window) {
renderer = SDL_CreateRenderer(window, -1, r_flags);
if (renderer) {
if (TEXTURE_FILTER && !IGNORE_TEXTURE_FILTER)
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "1");
else
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "0");
windowResize();
}
SDL_SetWindowMinimumSize(window, MIN_SCREEN_W, MIN_SCREEN_H);
// setting minimum size might move the window, so set position again
SDL_SetWindowPosition(window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
}
bool window_created = window != NULL && renderer != NULL;
if (!window_created) {
if (allow_fallback) {
// try previous setting first
FULLSCREEN = fullscreen;
HWSURFACE = hwsurface;
VSYNC = vsync;
TEXTURE_FILTER = texture_filter;
if (createContext(false) == -1) {
// last resort, try turning everything off
FULLSCREEN = false;
HWSURFACE = false;
VSYNC = false;
TEXTURE_FILTER = false;
int last_resort = createContext(false);
if (last_resort == -1 && !is_initialized) {
// If this is the first attempt and it failed we are not
// getting anywhere.
logError("SDLHardwareRenderDevice: createContext() failed: %s", SDL_GetError());
logErrorDialog("SDLHardwareRenderDevice: createContext() failed: %s", SDL_GetError());
Exit(1);
}
return last_resort;
}
else {
return 0;
}
}
}
else {
if (!is_initialized) {
// save the system gamma levels if we just created the window
SDL_GetWindowGammaRamp(window, gamma_r, gamma_g, gamma_b);
logInfo("RenderDevice: Window size is %dx%d", SCREEN_W, SCREEN_H);
}
fullscreen = FULLSCREEN;
hwsurface = HWSURFACE;
vsync = VSYNC;
texture_filter = TEXTURE_FILTER;
is_initialized = true;
logInfo("RenderDevice: Fullscreen=%d, Hardward surfaces=%d, Vsync=%d, Texture Filter=%d", fullscreen, hwsurface, vsync, texture_filter);
}
}
if (is_initialized) {
// update minimum window size if it has changed
if (min_screen.x != MIN_SCREEN_W || min_screen.y != MIN_SCREEN_H) {
min_screen.x = MIN_SCREEN_W;
min_screen.y = MIN_SCREEN_H;
SDL_SetWindowMinimumSize(window, MIN_SCREEN_W, MIN_SCREEN_H);
SDL_SetWindowPosition(window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
}
windowResize();
// update title bar text and icon
updateTitleBar();
// load persistent resources
delete icons;
icons = new IconManager();
delete curs;
curs = new CursorManager();
if (CHANGE_GAMMA)
setGamma(GAMMA);
else {
resetGamma();
CHANGE_GAMMA = false;
GAMMA = 1.0;
}
}
return (is_initialized ? 0 : -1);
}
