// ============================================================================
// SDL internal variables
-#if defined(TARGET_SDL2)
static SDL_Window *sdl_window = NULL;
static SDL_Renderer *sdl_renderer = NULL;
static SDL_Texture *sdl_texture_stream = NULL;
static SDL_Texture *sdl_texture_target = NULL;
static boolean fullscreen_enabled = FALSE;
-#endif
-
static boolean limit_screen_updates = FALSE;
#if defined(USE_TOUCH_INPUT_OVERLAY)
// functions to draw overlay graphics for touch device input
-static void DrawTouchInputOverlay();
+static void DrawTouchInputOverlay(void);
#endif
void SDLLimitScreenUpdates(boolean enable)
rect = NULL;
}
-#if defined(TARGET_SDL2)
SDL_Texture *sdl_texture = sdl_texture_stream;
// deactivate use of target texture if render targets are not supported
#if defined(USE_TOUCH_INPUT_OVERLAY)
// draw overlay graphics for touch device input, if needed
DrawTouchInputOverlay();
-#endif
-
#endif
// global synchronization point of the game to align video frame delay
if (with_frame_delay)
WaitUntilDelayReached(&video.frame_delay, video.frame_delay_value);
-#if defined(TARGET_SDL2)
- // show render target buffer on screen
+ // show render target buffer on screen
SDL_RenderPresent(sdl_renderer);
-#else // TARGET_SDL
- if (rect)
- SDL_UpdateRects(screen, 1, rect);
- else
- SDL_UpdateRect(screen, 0, 0, 0, 0);
-#endif
}
static void UpdateScreen_WithFrameDelay(SDL_Rect *rect)
{
+ PumpEvents(); // execute event filter actions while waiting
+
UpdateScreenExt(rect, TRUE);
}
static void SDLSetWindowIcon(char *basename)
{
- /* (setting the window icon on Mac OS X would replace the high-quality
- dock icon with the currently smaller (and uglier) icon from file) */
+ // (setting the window icon on Mac OS X would replace the high-quality
+ // dock icon with the currently smaller (and uglier) icon from file)
#if !defined(PLATFORM_MACOSX)
char *filename = getCustomImageFilename(basename);
SDL_SetColorKey(surface, SET_TRANSPARENT_PIXEL,
SDL_MapRGB(surface->format, 0x00, 0x00, 0x00));
-#if defined(TARGET_SDL2)
SDL_SetWindowIcon(sdl_window, surface);
-#else
- SDL_WM_SetIcon(surface, NULL);
-#endif
#endif
}
-#if defined(TARGET_SDL2)
-
static boolean equalSDLPixelFormat(SDL_PixelFormat *format1,
SDL_PixelFormat *format2)
{
return TRUE;
}
-#else
-
-static Pixel SDLGetColorKey(SDL_Surface *surface)
-{
- if ((surface->flags & SDL_SRCCOLORKEY) == 0)
- return -1;
-
- return surface->format->colorkey;
-}
-
-static boolean SDLHasColorKey(SDL_Surface *surface)
-{
- return (SDLGetColorKey(surface) != -1);
-}
-
-static boolean SDLHasAlpha(SDL_Surface *surface)
-{
- return ((surface->flags & SDL_SRCALPHA) != 0);
-}
-
-static void SDLSetAlpha(SDL_Surface *surface, boolean set, int alpha)
-{
- SDL_SetAlpha(surface, (set ? SDL_SRCALPHA : 0), alpha);
-}
-
-SDL_Surface *SDLGetNativeSurface(SDL_Surface *surface)
-{
- SDL_Surface *new_surface;
-
- if (surface == NULL)
- return NULL;
-
- if (!video.initialized)
- new_surface = SDL_ConvertSurface(surface, surface->format, SURFACE_FLAGS);
- else if (SDLHasAlpha(surface))
- new_surface = SDL_DisplayFormatAlpha(surface);
- else
- new_surface = SDL_DisplayFormat(surface);
-
- if (new_surface == NULL)
- Error(ERR_EXIT, "%s() failed: %s",
- (video.initialized ? "SDL_DisplayFormat" : "SDL_ConvertSurface"),
- SDL_GetError());
-
- return new_surface;
-}
-
-boolean SDLSetNativeSurface(SDL_Surface **surface)
-{
- SDL_Surface *new_surface;
-
- if (surface == NULL ||
- *surface == NULL ||
- !video.initialized)
- return FALSE;
-
- new_surface = SDLGetNativeSurface(*surface);
-
- SDL_FreeSurface(*surface);
-
- *surface = new_surface;
-
- return TRUE;
-}
-
-#endif
-
-#if defined(TARGET_SDL2)
static SDL_Texture *SDLCreateTextureFromSurface(SDL_Surface *surface)
{
if (program.headless)
return texture;
}
-#endif
void SDLCreateBitmapTextures(Bitmap *bitmap)
{
-#if defined(TARGET_SDL2)
if (bitmap == NULL)
return;
bitmap->texture = SDLCreateTextureFromSurface(bitmap->surface);
bitmap->texture_masked = SDLCreateTextureFromSurface(bitmap->surface_masked);
-#endif
}
void SDLFreeBitmapTextures(Bitmap *bitmap)
{
-#if defined(TARGET_SDL2)
if (bitmap == NULL)
return;
bitmap->texture = NULL;
bitmap->texture_masked = NULL;
-#endif
}
void SDLInitVideoDisplay(void)
{
-#if !defined(TARGET_SDL2)
- if (!strEqual(setup.system.sdl_videodriver, ARG_DEFAULT))
- SDL_putenv(getStringCat2("SDL_VIDEODRIVER=", setup.system.sdl_videodriver));
-
- SDL_putenv("SDL_VIDEO_CENTERED=1");
-#endif
-
// initialize SDL video
if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0)
Error(ERR_EXIT, "SDL_InitSubSystem() failed: %s", SDL_GetError());
// set default SDL depth
-#if !defined(TARGET_SDL2)
- video.default_depth = SDL_GetVideoInfo()->vfmt->BitsPerPixel;
-#else
video.default_depth = 32; // (how to determine video depth in SDL2?)
-#endif
+ //
+ // Code used with SDL 1.2:
+ // video.default_depth = SDL_GetVideoInfo()->vfmt->BitsPerPixel;
}
static void SDLInitVideoBuffer_VideoBuffer(boolean fullscreen)
SDLSetScreenRenderingMode(setup.screen_rendering_mode);
-#if defined(TARGET_SDL2)
// SDL 2.0: support for (desktop) fullscreen mode available
video.fullscreen_available = TRUE;
-#else
- // SDL 1.2: no support for fullscreen mode in R'n'D anymore
- video.fullscreen_available = FALSE;
-#endif
// open SDL video output device (window or fullscreen mode)
if (!SDLSetVideoMode(fullscreen))
{
SDL_Surface *new_surface = NULL;
-#if defined(TARGET_SDL2)
int surface_flags_window = SURFACE_FLAGS | SDL_WINDOW_RESIZABLE;
int surface_flags_fullscreen = SURFACE_FLAGS | SDL_WINDOW_FULLSCREEN_DESKTOP;
-#else
- int surface_flags_window = SURFACE_FLAGS;
- int surface_flags_fullscreen = SURFACE_FLAGS; // (no fullscreen in SDL 1.2)
-#endif
-#if defined(TARGET_SDL2)
#if 1
int renderer_flags = SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE;
#else
#endif
SDLSetScreenSizeAndOffsets(video.width, video.height);
-#endif
int width = video.width;
int height = video.height;
video.window_width = screen_width;
video.window_height = screen_height;
-#if defined(TARGET_SDL2)
-
// store if initial screen mode is fullscreen mode when changing screen size
video.fullscreen_initial = fullscreen;
Error(ERR_WARN, "SDL_CreateWindow() failed: %s", SDL_GetError());
}
-#else // TARGET_SDL
-
- if (gfx.final_screen_bitmap == NULL)
- gfx.final_screen_bitmap = CreateBitmapStruct();
-
- gfx.final_screen_bitmap->width = width;
- gfx.final_screen_bitmap->height = height;
-
- gfx.final_screen_bitmap->surface =
- SDL_SetVideoMode(width, height, video.depth, surface_flags);
-
- if (gfx.final_screen_bitmap->surface != NULL)
- {
- new_surface =
- SDL_CreateRGBSurface(surface_flags, width, height, video.depth, 0,0,0, 0);
-
- if (new_surface == NULL)
- Error(ERR_WARN, "SDL_CreateRGBSurface() failed: %s", SDL_GetError());
-
-#if 0
- new_surface = gfx.final_screen_bitmap->surface;
- gfx.final_screen_bitmap = NULL;
-#endif
-
- }
- else
- {
- Error(ERR_WARN, "SDL_SetVideoMode() failed: %s", SDL_GetError());
- }
-#endif
-
-#if defined(TARGET_SDL2)
// store fullscreen state ("video.fullscreen_enabled" may not reflect this!)
if (new_surface != NULL)
fullscreen_enabled = fullscreen;
-#endif
if (backbuffer == NULL)
backbuffer = CreateBitmapStruct();
}
}
-#if defined(TARGET_SDL2)
SDLRedrawWindow(); // map window
-#endif
-
-#ifdef DEBUG
-#if defined(PLATFORM_WIN32)
- // experimental drag and drop code
-
- SDL_EventState(SDL_SYSWMEVENT, SDL_ENABLE);
-
- {
- SDL_SysWMinfo wminfo;
- HWND hwnd;
- boolean wminfo_success = FALSE;
-
- SDL_VERSION(&wminfo.version);
-#if defined(TARGET_SDL2)
- if (sdl_window)
- wminfo_success = SDL_GetWindowWMInfo(sdl_window, &wminfo);
-#else
- wminfo_success = (SDL_GetWMInfo(&wminfo) == 1);
-#endif
-
- if (wminfo_success)
- {
-#if defined(TARGET_SDL2)
- hwnd = wminfo.info.win.window;
-#else
- hwnd = wminfo.window;
-#endif
-
- DragAcceptFiles(hwnd, TRUE);
- }
- }
-#endif
-#endif
return success;
}
void SDLSetWindowTitle(void)
{
-#if defined(TARGET_SDL2)
if (sdl_window == NULL)
return;
SDL_SetWindowTitle(sdl_window, program.window_title);
-#else
- SDL_WM_SetCaption(program.window_title, program.window_title);
-#endif
}
-#if defined(TARGET_SDL2)
void SDLSetWindowScaling(int window_scaling_percent)
{
if (sdl_window == NULL)
SDLSetScreenSizeForRenderer(video.screen_width, video.screen_height);
}
-#endif
-
void SDLSetScreenRenderingMode(char *screen_rendering_mode)
{
-#if defined(TARGET_SDL2)
video.screen_rendering_mode =
(strEqual(screen_rendering_mode, STR_SPECIAL_RENDERING_BITMAP) ?
SPECIAL_RENDERING_BITMAP :
SPECIAL_RENDERING_TARGET:
strEqual(screen_rendering_mode, STR_SPECIAL_RENDERING_DOUBLE) ?
SPECIAL_RENDERING_DOUBLE : SPECIAL_RENDERING_OFF);
-#else
- video.screen_rendering_mode = SPECIAL_RENDERING_BITMAP;
-#endif
}
void SDLSetScreenVsyncMode(char *vsync_mode)
{
-#if defined(TARGET_SDL2)
int interval =
(strEqual(vsync_mode, STR_VSYNC_MODE_NORMAL) ? VSYNC_MODE_NORMAL :
strEqual(vsync_mode, STR_VSYNC_MODE_ADAPTIVE) ? VSYNC_MODE_ADAPTIVE :
// if adaptive vsync requested, but not supported, retry with normal vsync
if (result == -1 && interval == VSYNC_MODE_ADAPTIVE)
SDL_GL_SetSwapInterval(VSYNC_MODE_NORMAL);
-#endif
}
void SDLRedrawWindow(void)
bitmap->surface = NULL;
bitmap->surface_masked = NULL;
-#if defined(TARGET_SDL2)
if (bitmap->texture)
SDL_DestroyTexture(bitmap->texture);
if (bitmap->texture_masked)
bitmap->texture = NULL;
bitmap->texture_masked = NULL;
-#endif
}
void SDLCopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap,
int src_x, int src_y, int width, int height,
int dst_x, int dst_y, int mask_mode)
{
-#if defined(TARGET_SDL2)
SDL_Texture *texture;
SDL_Rect src_rect;
SDL_Rect dst_rect;
dst_rect.h = height;
SDL_RenderCopy(sdl_renderer, texture, &src_rect, &dst_rect);
-#endif
}
void SDLFillRectangle(Bitmap *dst_bitmap, int x, int y, int width, int height,
}
-/*
- -----------------------------------------------------------------------------
- quick (no, it's slow) and dirty hack to "invert" rectangle inside SDL surface
- -----------------------------------------------------------------------------
-*/
+// ----------------------------------------------------------------------------
+// quick (no, it's slow) and dirty hack to "invert" rectangle inside SDL surface
+// ----------------------------------------------------------------------------
void SDLInvertArea(Bitmap *bitmap, int src_x, int src_y,
int width, int height, Uint32 color)
// http://www.ferzkopp.net/Software/SDL_gfx-2.0/index.html
// ============================================================================
-/*
- -----------------------------------------------------------------------------
- 32 bit zoomer
-
- zoomes 32bit RGBA/ABGR 'src' surface to 'dst' surface.
- -----------------------------------------------------------------------------
-*/
+// ----------------------------------------------------------------------------
+// 32 bit zoomer
+//
+// zoomes 32bit RGBA/ABGR 'src' surface to 'dst' surface.
+// ----------------------------------------------------------------------------
typedef struct
{
return 0;
}
-/*
- -----------------------------------------------------------------------------
- 8 bit zoomer
-
- zoomes 8 bit palette/Y 'src' surface to 'dst' surface
- -----------------------------------------------------------------------------
-*/
+// ----------------------------------------------------------------------------
+// 8 bit zoomer
+//
+// zoomes 8 bit palette/Y 'src' surface to 'dst' surface
+// ----------------------------------------------------------------------------
static int zoomSurfaceY(SDL_Surface * src, SDL_Surface * dst)
{
return 0;
}
-/*
- -----------------------------------------------------------------------------
- zoomSurface()
-
- Zooms a 32bit or 8bit 'src' surface to newly created 'dst' surface.
- 'zoomx' and 'zoomy' are scaling factors for width and height.
- If the surface is not 8bit or 32bit RGBA/ABGR it will be converted
- into a 32bit RGBA format on the fly.
- -----------------------------------------------------------------------------
-*/
+// ----------------------------------------------------------------------------
+// zoomSurface()
+//
+// Zooms a 32bit or 8bit 'src' surface to newly created 'dst' surface.
+// 'zoomx' and 'zoomy' are scaling factors for width and height.
+// If the surface is not 8bit or 32bit RGBA/ABGR it will be converted
+// into a 32bit RGBA format on the fly.
+// ----------------------------------------------------------------------------
static SDL_Surface *zoomSurface(SDL_Surface *src, int dst_width, int dst_height)
{
if (program.headless)
return;
-#if !defined(TARGET_SDL2)
- if (!strEqual(setup.system.sdl_audiodriver, ARG_DEFAULT))
- SDL_putenv(getStringCat2("SDL_AUDIODRIVER=", setup.system.sdl_audiodriver));
-#endif
-
if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0)
{
Error(ERR_WARN, "SDL_InitSubSystem() failed: %s", SDL_GetError());
SDL_WaitEvent(event);
}
-void SDLHandleWindowManagerEvent(Event *event)
+void SDLCorrectRawMousePosition(int *x, int *y)
{
-#ifdef DEBUG
-#if defined(PLATFORM_WIN32)
- // experimental drag and drop code
-
- SDL_SysWMEvent *syswmevent = (SDL_SysWMEvent *)event;
- SDL_SysWMmsg *syswmmsg = (SDL_SysWMmsg *)(syswmevent->msg);
-
-#if defined(TARGET_SDL2)
- if (syswmmsg->msg.win.msg == WM_DROPFILES)
-#else
- if (syswmmsg->msg == WM_DROPFILES)
-#endif
- {
-#if defined(TARGET_SDL2)
- HDROP hdrop = (HDROP)syswmmsg->msg.win.wParam;
-#else
- HDROP hdrop = (HDROP)syswmmsg->wParam;
-#endif
- int i, num_files;
-
- printf("::: SDL_SYSWMEVENT:\n");
+ if (sdl_renderer == NULL)
+ return;
- num_files = DragQueryFile(hdrop, 0xffffffff, NULL, 0);
+ // this corrects the raw mouse position for logical screen size within event
+ // filters (correction done later by SDL library when handling mouse events)
- for (i = 0; i < num_files; i++)
- {
- int buffer_len = DragQueryFile(hdrop, i, NULL, 0);
- char buffer[buffer_len + 1];
+ SDL_Rect viewport;
+ float scale_x, scale_y;
- DragQueryFile(hdrop, i, buffer, buffer_len + 1);
+ SDL_RenderGetViewport(sdl_renderer, &viewport);
+ SDL_RenderGetScale(sdl_renderer, &scale_x, &scale_y);
- printf("::: - '%s'\n", buffer);
- }
+ *x = (int)(*x / scale_x);
+ *y = (int)(*y / scale_y);
-#if defined(TARGET_SDL2)
- DragFinish((HDROP)syswmmsg->msg.win.wParam);
-#else
- DragFinish((HDROP)syswmmsg->wParam);
-#endif
- }
-#endif
-#endif
+ *x -= viewport.x;
+ *y -= viewport.y;
}
// joystick functions
// ============================================================================
-#if defined(TARGET_SDL2)
static void *sdl_joystick[MAX_PLAYERS]; // game controller or joystick
-#else
-static SDL_Joystick *sdl_joystick[MAX_PLAYERS]; // only joysticks supported
-#endif
static int sdl_js_axis_raw[MAX_PLAYERS][2];
static int sdl_js_axis[MAX_PLAYERS][2];
static int sdl_js_button[MAX_PLAYERS][2];
if (nr < 0 || nr >= MAX_PLAYERS)
return FALSE;
-#if defined(TARGET_SDL2)
sdl_is_controller[nr] = SDL_IsGameController(nr);
-#else
- sdl_is_controller[nr] = FALSE;
-#endif
#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "opening joystick %d (%s)",
nr, (sdl_is_controller[nr] ? "game controller" : "joystick"));
#endif
-#if defined(TARGET_SDL2)
if (sdl_is_controller[nr])
sdl_joystick[nr] = SDL_GameControllerOpen(nr);
else
sdl_joystick[nr] = SDL_JoystickOpen(nr);
-#else
- sdl_joystick[nr] = SDL_JoystickOpen(nr);
-#endif
return (sdl_joystick[nr] != NULL);
}
Error(ERR_DEBUG, "closing joystick %d", nr);
#endif
-#if defined(TARGET_SDL2)
if (sdl_is_controller[nr])
SDL_GameControllerClose(sdl_joystick[nr]);
else
SDL_JoystickClose(sdl_joystick[nr]);
-#else
- SDL_JoystickClose(sdl_joystick[nr]);
-#endif
sdl_joystick[nr] = NULL;
}
if (nr < 0 || nr >= MAX_PLAYERS)
return FALSE;
-#if defined(TARGET_SDL2)
return (sdl_joystick[nr] != NULL ? TRUE : FALSE);
-#else
- return (SDL_JoystickOpened(nr) ? TRUE : FALSE);
-#endif
}
static void setJoystickAxis(int nr, int axis_id_raw, int axis_value)
{
-#if defined(TARGET_SDL2)
int axis_id = (axis_id_raw == SDL_CONTROLLER_AXIS_LEFTX ||
axis_id_raw == SDL_CONTROLLER_AXIS_RIGHTX ? 0 :
axis_id_raw == SDL_CONTROLLER_AXIS_LEFTY ||
axis_id_raw == SDL_CONTROLLER_AXIS_RIGHTY ? 1 : -1);
-#else
- int axis_id = axis_id_raw % 2;
-#endif
if (nr < 0 || nr >= MAX_PLAYERS)
return;
static void setJoystickButton(int nr, int button_id_raw, int button_state)
{
-#if defined(TARGET_SDL2)
int button_id = (button_id_raw == SDL_CONTROLLER_BUTTON_A ||
button_id_raw == SDL_CONTROLLER_BUTTON_X ||
button_id_raw == SDL_CONTROLLER_BUTTON_LEFTSHOULDER ||
button_id_raw == SDL_CONTROLLER_BUTTON_DPAD_UP ||
button_id_raw == SDL_CONTROLLER_BUTTON_DPAD_DOWN)
sdl_js_axis_raw[nr][0] = sdl_js_axis_raw[nr][1] = -1;
-#else
- int button_id = button_id_raw % 2;
-#endif
if (nr < 0 || nr >= MAX_PLAYERS)
return;
{
switch(event->type)
{
-#if defined(TARGET_SDL2)
case SDL_CONTROLLERDEVICEADDED:
#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_CONTROLLERDEVICEADDED: device %d added",
event->cbutton.button,
FALSE);
break;
-#endif
case SDL_JOYAXISMOTION:
if (sdl_is_controller[event->jaxis.which])
{
static boolean sdl_joystick_subsystem_initialized = FALSE;
boolean print_warning = !sdl_joystick_subsystem_initialized;
-#if defined(TARGET_SDL2)
char *mappings_file_base = getPath2(options.conf_directory,
GAMECONTROLLER_BASENAME);
char *mappings_file_user = getPath2(getUserGameDataDir(),
GAMECONTROLLER_BASENAME);
int num_mappings;
-#endif
int i;
if (!sdl_joystick_subsystem_initialized)
{
sdl_joystick_subsystem_initialized = TRUE;
-#if defined(TARGET_SDL2)
SDL_SetHint(SDL_HINT_ACCELEROMETER_AS_JOYSTICK, "0");
if (SDL_InitSubSystem(SDL_INIT_GAMECONTROLLER) < 0)
-#else
- if (SDL_InitSubSystem(SDL_INIT_JOYSTICK) < 0)
-#endif
{
Error(ERR_EXIT, "SDL_Init() failed: %s", SDL_GetError());
return;
}
-#if defined(TARGET_SDL2)
num_mappings = SDL_GameControllerAddMappingsFromFile(mappings_file_base);
// the included game controller base mappings should always be found
Error(ERR_INFO, "- joystick %d (%s): '%s'",
i, type, (name ? name : "(Unknown)"));
}
-#endif
#endif
}
static void DrawTouchInputOverlay(void)
{
- static SDL_Texture *texture = NULL;
- static boolean initialized = FALSE;
static boolean deactivated = TRUE;
static boolean show_grid = FALSE;
- static int width = 0, height = 0;
- static int alpha_last = -1;
static int alpha = 0;
int alpha_max = ALPHA_FROM_TRANSPARENCY(setup.touch.transparency);
int alpha_step = ALPHA_FADING_STEPSIZE(alpha_max);
DrawTouchInputOverlay_ShowGrid(alpha);
DrawTouchInputOverlay_ShowGridButtons(alpha);
-
- return;
-
-
- // !!! VIRTUAL BUTTONS FROM IMAGE FILE NOT USED ANYMORE !!!
-
- if (!initialized)
- {
- char *basename = "overlay/VirtualButtons.png";
- char *filename = getCustomImageFilename(basename);
-
- if (filename == NULL)
- Error(ERR_EXIT, "LoadCustomImage(): cannot find file '%s'", basename);
-
- SDL_Surface *surface;
-
- if ((surface = IMG_Load(filename)) == NULL)
- Error(ERR_EXIT, "IMG_Load() failed: %s", SDL_GetError());
-
- width = surface->w;
- height = surface->h;
-
- // set black pixel to transparent if no alpha channel / transparent color
- if (!SDLHasAlpha(surface) &&
- !SDLHasColorKey(surface))
- SDL_SetColorKey(surface, SET_TRANSPARENT_PIXEL,
- SDL_MapRGB(surface->format, 0x00, 0x00, 0x00));
-
- if ((texture = SDLCreateTextureFromSurface(surface)) == NULL)
- Error(ERR_EXIT, "SDLCreateTextureFromSurface() failed");
-
- SDL_FreeSurface(surface);
-
- SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
-
- initialized = TRUE;
- }
-
- if (alpha != alpha_last)
- SDL_SetTextureAlphaMod(texture, alpha);
-
- alpha_last = alpha;
-
- float ratio_overlay = (float) width / height;
- float ratio_screen = (float) video.screen_width / video.screen_height;
- int width_scaled, height_scaled;
- int xpos, ypos;
-
- if (ratio_overlay > ratio_screen)
- {
- width_scaled = video.screen_width;
- height_scaled = video.screen_height * ratio_screen / ratio_overlay;
- xpos = 0;
- ypos = video.screen_height - height_scaled;
- }
- else
- {
- width_scaled = video.screen_width * ratio_overlay / ratio_screen;
- height_scaled = video.screen_height;
- xpos = (video.screen_width - width_scaled) / 2;
- ypos = 0;
- }
-
- SDL_Rect src_rect = { 0, 0, width, height };
- SDL_Rect dst_rect = { xpos, ypos, width_scaled, height_scaled };
-
- SDL_RenderCopy(sdl_renderer, texture, &src_rect, &dst_rect);
}
#endif