-/***********************************************************
-* Artsoft Retro-Game Library *
-*----------------------------------------------------------*
-* (c) 1994-2006 Artsoft Entertainment *
-* Holger Schemel *
-* Detmolder Strasse 189 *
-* 33604 Bielefeld *
-* Germany *
-* e-mail: info@artsoft.org *
-*----------------------------------------------------------*
-* sdl.c *
-***********************************************************/
+// ============================================================================
+// Artsoft Retro-Game Library
+// ----------------------------------------------------------------------------
+// (c) 1995-2014 by Artsoft Entertainment
+// Holger Schemel
+// info@artsoft.org
+// http://www.artsoft.org/
+// ----------------------------------------------------------------------------
+// sdl.c
+// ============================================================================
#include "system.h"
#include "sound.h"
#include "misc.h"
#include "setup.h"
+#define ENABLE_UNUSED_CODE 0 /* currently unused functions */
-#if defined(TARGET_SDL)
/* ========================================================================= */
/* video functions */
/* ========================================================================= */
-/* functions from SGE library */
-void sge_Line(SDL_Surface *, Sint16, Sint16, Sint16, Sint16, Uint32);
+/* SDL internal variables */
+#if defined(TARGET_SDL2)
+static SDL_Window *sdl_window = NULL;
+static SDL_Renderer *sdl_renderer = NULL;
+static SDL_Texture *sdl_texture = NULL;
+static boolean fullscreen_enabled = FALSE;
+
+#define USE_RENDERER TRUE
+#endif
/* stuff needed to work around SDL/Windows fullscreen drawing bug */
static int fullscreen_width;
static int fullscreen_yoffset;
static int video_xoffset;
static int video_yoffset;
+static boolean limit_screen_updates = FALSE;
+
+
+/* functions from SGE library */
+void sge_Line(SDL_Surface *, Sint16, Sint16, Sint16, Sint16, Uint32);
+
+void SDLLimitScreenUpdates(boolean enable)
+{
+ limit_screen_updates = enable;
+}
+
+static void UpdateScreen(SDL_Rect *rect)
+{
+ static unsigned int update_screen_delay = 0;
+ unsigned int update_screen_delay_value = 20; /* (milliseconds) */
+ SDL_Surface *screen = backbuffer->surface;
+
+ if (limit_screen_updates &&
+ !DelayReached(&update_screen_delay, update_screen_delay_value))
+ return;
+
+ LimitScreenUpdates(FALSE);
+
+#if 0
+ {
+ static int LastFrameCounter = 0;
+ boolean changed = (FrameCounter != LastFrameCounter);
+
+ printf("::: FrameCounter == %d [%s]\n", FrameCounter,
+ (changed ? "-" : "SAME FRAME UPDATED"));
+
+ LastFrameCounter = FrameCounter;
+
+ /*
+ if (FrameCounter % 2)
+ return;
+ */
+ }
+#endif
+
+#if USE_FINAL_SCREEN_BITMAP
+ if (gfx.final_screen_bitmap != NULL) // may not be initialized yet
+ {
+ // !!! TEST !!!
+ // draw global animations using bitmaps instead of using textures
+ // to prevent texture scaling artefacts (this is potentially slower)
+
+ BlitBitmap(backbuffer, gfx.final_screen_bitmap, 0, 0,
+ gfx.win_xsize, gfx.win_ysize, 0, 0);
+
+ // copy global animations to render target buffer, if defined
+ if (gfx.draw_global_anim_function != NULL)
+ gfx.draw_global_anim_function();
+
+ screen = gfx.final_screen_bitmap->surface;
+
+ // force full window redraw
+ rect = NULL;
+ }
+#endif
+
+#if defined(TARGET_SDL2)
+#if USE_RENDERER
+ if (rect)
+ {
+ int bytes_x = screen->pitch / video.width;
+ int bytes_y = screen->pitch;
+
+ if (video.fullscreen_enabled)
+ bytes_x = screen->pitch / fullscreen_width;
+
+ SDL_UpdateTexture(sdl_texture, rect,
+ screen->pixels + rect->x * bytes_x + rect->y * bytes_y,
+ screen->pitch);
+ }
+ else
+ {
+ SDL_UpdateTexture(sdl_texture, NULL, screen->pixels, screen->pitch);
+ }
+
+ // clear render target buffer
+ SDL_RenderClear(sdl_renderer);
+
+ // copy backbuffer to render target buffer
+ SDL_RenderCopy(sdl_renderer, sdl_texture, NULL, NULL);
+
+#if !USE_FINAL_SCREEN_BITMAP
+ // copy global animations to render target buffer, if defined
+ if (gfx.draw_global_anim_function != NULL)
+ gfx.draw_global_anim_function();
+#endif
+
+ // show render target buffer on screen
+ SDL_RenderPresent(sdl_renderer);
+
+#else
+
+ if (rect)
+ SDL_UpdateWindowSurfaceRects(sdl_window, rect, 1);
+ else
+ SDL_UpdateWindowSurface(sdl_window);
+#endif
+
+#else // TARGET_SDL
+ if (rect)
+ SDL_UpdateRects(screen, 1, rect);
+ else
+ SDL_UpdateRect(screen, 0, 0, 0, 0);
+#endif
+}
static void setFullscreenParameters(char *fullscreen_mode_string)
{
+#if defined(TARGET_SDL2)
+ fullscreen_width = video.width;
+ fullscreen_height = video.height;
+ fullscreen_xoffset = 0;
+ fullscreen_yoffset = 0;
+
+#else
+
struct ScreenModeInfo *fullscreen_mode;
int i;
break;
}
}
+#endif
}
static void SDLSetWindowIcon(char *basename)
}
/* set transparent color */
- SDL_SetColorKey(surface, SDL_SRCCOLORKEY,
+ 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 (format1->format == format2->format &&
+ format1->BitsPerPixel == format2->BitsPerPixel &&
+ format1->BytesPerPixel == format2->BytesPerPixel &&
+ format1->Rmask == format2->Rmask &&
+ format1->Gmask == format2->Gmask &&
+ format1->Bmask == format2->Bmask &&
+ format1->Amask == format2->Amask);
+}
+
+boolean SDLSetNativeSurface(SDL_Surface **surface)
+{
+ SDL_Surface *new_surface;
+
+ if (surface == NULL ||
+ *surface == NULL ||
+ backbuffer == NULL ||
+ backbuffer->surface == NULL)
+ return FALSE;
+
+ // if pixel format already optimized for destination surface, do nothing
+ if (equalSDLPixelFormat((*surface)->format, backbuffer->surface->format))
+ return FALSE;
+
+ new_surface = SDL_ConvertSurface(*surface, backbuffer->surface->format, 0);
+
+ if (new_surface == NULL)
+ Error(ERR_EXIT, "SDL_ConvertSurface() failed: %s", SDL_GetError());
+
+ SDL_FreeSurface(*surface);
+
+ *surface = new_surface;
+
+ return TRUE;
+}
+
+SDL_Surface *SDLGetNativeSurface(SDL_Surface *surface)
+{
+ SDL_Surface *new_surface;
+
+ if (surface == NULL)
+ return NULL;
+
+ if (backbuffer && backbuffer->surface)
+ new_surface = SDL_ConvertSurface(surface, backbuffer->surface->format, 0);
+ else
+ new_surface = SDL_ConvertSurface(surface, surface->format, 0);
+
+ if (new_surface == NULL)
+ Error(ERR_EXIT, "SDL_ConvertSurface() failed: %s", SDL_GetError());
+
+ return new_surface;
+}
+
+#else
+
+boolean SDLSetNativeSurface(SDL_Surface **surface)
+{
+ SDL_Surface *new_surface;
+
+ if (surface == NULL ||
+ *surface == NULL ||
+ !video.initialized)
+ return FALSE;
+
+ new_surface = SDL_DisplayFormat(*surface);
+
+ if (new_surface == NULL)
+ Error(ERR_EXIT, "SDL_DisplayFormat() failed: %s", SDL_GetError());
+
+ SDL_FreeSurface(*surface);
+
+ *surface = new_surface;
+
+ return TRUE;
+}
+
+SDL_Surface *SDLGetNativeSurface(SDL_Surface *surface)
+{
+ SDL_Surface *new_surface;
+
+ if (video.initialized)
+ new_surface = SDL_DisplayFormat(surface);
+ else
+ new_surface = SDL_ConvertSurface(surface, surface->format, SURFACE_FLAGS);
+
+ if (new_surface == NULL)
+ Error(ERR_EXIT, "%s() failed: %s",
+ (video.initialized ? "SDL_DisplayFormat" : "SDL_ConvertSurface"),
+ SDL_GetError());
+
+ return new_surface;
+}
+
+#endif
+
+#if defined(TARGET_SDL2)
+static SDL_Texture *SDLCreateTextureFromSurface(SDL_Surface *surface)
+{
+ SDL_Texture *texture = SDL_CreateTextureFromSurface(sdl_renderer, surface);
+
+ if (texture == NULL)
+ Error(ERR_EXIT, "SDL_CreateTextureFromSurface() failed: %s",
+ SDL_GetError());
+
+ return texture;
+}
+#endif
+
+void SDLCreateBitmapTextures(Bitmap *bitmap)
+{
+#if defined(TARGET_SDL2)
+ if (bitmap == NULL)
+ return;
+
+ if (bitmap->texture)
+ SDL_DestroyTexture(bitmap->texture);
+ if (bitmap->texture_masked)
+ SDL_DestroyTexture(bitmap->texture_masked);
+
+ 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;
+
+ if (bitmap->texture)
+ SDL_DestroyTexture(bitmap->texture);
+ if (bitmap->texture_masked)
+ SDL_DestroyTexture(bitmap->texture_masked);
+
+ 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
}
void SDLInitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window,
boolean fullscreen)
{
+#if !defined(TARGET_SDL2)
static int screen_xy[][2] =
{
{ 640, 480 },
{ 1024, 768 },
{ -1, -1 }
};
- SDL_Rect **modes;
+#endif
+ SDL_Rect **modes = NULL;
+ boolean hardware_fullscreen_available = TRUE;
int i, j;
/* default: normal game window size */
fullscreen_xoffset = 0;
fullscreen_yoffset = 0;
+#if !defined(TARGET_SDL2)
+ /* determine required standard fullscreen mode for game screen size */
for (i = 0; screen_xy[i][0] != -1; i++)
{
if (screen_xy[i][0] >= video.width && screen_xy[i][1] >= video.height)
fullscreen_xoffset = (fullscreen_width - video.width) / 2;
fullscreen_yoffset = (fullscreen_height - video.height) / 2;
+#endif
-#if 1
checked_free(video.fullscreen_modes);
video.fullscreen_modes = NULL;
video.fullscreen_mode_current = NULL;
-#endif
+ video.window_scaling_percent = setup.window_scaling_percent;
+ video.window_scaling_quality = setup.window_scaling_quality;
+
+#if defined(TARGET_SDL2)
+ int num_displays = SDL_GetNumVideoDisplays();
+
+ if (num_displays > 0)
+ {
+ // currently only display modes of first display supported
+ int num_modes = SDL_GetNumDisplayModes(0);
+
+ if (num_modes > 0)
+ {
+ modes = checked_calloc((num_modes + 1) * sizeof(SDL_Rect *));
+
+ for (i = 0; i < num_modes; i++)
+ {
+ SDL_DisplayMode mode;
+
+ if (SDL_GetDisplayMode(0, i, &mode) < 0)
+ break;
+
+ modes[i] = checked_calloc(sizeof(SDL_Rect));
+
+ modes[i]->w = mode.w;
+ modes[i]->h = mode.h;
+ }
+ }
+ }
+#else
/* get available hardware supported fullscreen modes */
modes = SDL_ListModes(NULL, SDL_FULLSCREEN | SDL_HWSURFACE);
+#endif
if (modes == NULL)
{
- /* no screen modes available => no fullscreen mode support */
- video.fullscreen_available = FALSE;
+ /* no hardware screen modes available => no fullscreen mode support */
+ // video.fullscreen_available = FALSE;
+ hardware_fullscreen_available = FALSE;
}
else if (modes == (SDL_Rect **)-1)
{
/* in this case, a certain number of screen modes is available */
int num_modes = 0;
- for(i = 0; modes[i] != NULL; i++)
+ for (i = 0; modes[i] != NULL; i++)
{
boolean found_mode = FALSE;
if (num_modes == 0)
{
/* no appropriate screen modes available => no fullscreen mode support */
- video.fullscreen_available = FALSE;
+ // video.fullscreen_available = FALSE;
+ hardware_fullscreen_available = FALSE;
}
}
- /* set window icon */
- SDLSetWindowIcon(program.sdl_icon_filename);
+ video.fullscreen_available = hardware_fullscreen_available;
+
+#if USE_DESKTOP_FULLSCREEN
+ // in SDL 2.0, there is always support for desktop fullscreen mode
+ // (in SDL 1.2, there is only support for "real" fullscreen mode)
+ video.fullscreen_available = TRUE;
+#endif
+
+#if defined(TARGET_SDL2)
+ if (modes)
+ {
+ for (i = 0; modes[i] != NULL; i++)
+ checked_free(modes[i]);
+
+ checked_free(modes);
+ }
+#endif
/* open SDL video output device (window or fullscreen mode) */
if (!SDLSetVideoMode(backbuffer, fullscreen))
Error(ERR_EXIT, "setting video mode failed");
+ /* !!! SDL2 can only set the window icon if the window already exists !!! */
+ /* set window icon */
+ SDLSetWindowIcon(program.icon_filename);
+
/* set window and icon title */
+#if defined(TARGET_SDL2)
+ SDL_SetWindowTitle(sdl_window, program.window_title);
+#else
SDL_WM_SetCaption(program.window_title, program.window_title);
+#endif
/* SDL cannot directly draw to the visible video framebuffer like X11,
but always uses a backbuffer, which is then blitted to the visible
should never be drawn to directly, it would do no harm nevertheless. */
/* create additional (symbolic) buffer for double-buffering */
-#if 1
ReCreateBitmap(window, video.width, video.height, video.depth);
+}
+
+static SDL_Surface *SDLCreateScreen(DrawBuffer **backbuffer,
+ boolean fullscreen)
+{
+ SDL_Surface *new_surface = NULL;
+
+#if defined(TARGET_SDL2)
+ int surface_flags_window = SURFACE_FLAGS | SDL_WINDOW_RESIZABLE;
+#if USE_DESKTOP_FULLSCREEN
+ int surface_flags_fullscreen = SURFACE_FLAGS | SDL_WINDOW_FULLSCREEN_DESKTOP;
+#else
+ int surface_flags_fullscreen = SURFACE_FLAGS | SDL_WINDOW_FULLSCREEN;
+#endif
+
+#else
+ int surface_flags_window = SURFACE_FLAGS;
+ int surface_flags_fullscreen = SURFACE_FLAGS | SDL_FULLSCREEN;
+#endif
+
+ int width = (fullscreen ? fullscreen_width : video.width);
+ int height = (fullscreen ? fullscreen_height : video.height);
+ int surface_flags = (fullscreen ? surface_flags_fullscreen :
+ surface_flags_window);
+
+ // default window size is unscaled
+ video.window_width = video.width;
+ video.window_height = video.height;
+
+#if defined(TARGET_SDL2)
+
+ // store if initial screen mode is fullscreen mode when changing screen size
+ video.fullscreen_initial = fullscreen;
+
+#if USE_RENDERER
+ float window_scaling_factor = (float)setup.window_scaling_percent / 100;
+#if !USE_DESKTOP_FULLSCREEN
+ float screen_scaling_factor = (fullscreen ? 1 : window_scaling_factor);
+#endif
+
+ video.window_width = window_scaling_factor * width;
+ video.window_height = window_scaling_factor * height;
+
+ if ((*backbuffer)->surface)
+ {
+ SDL_FreeSurface((*backbuffer)->surface);
+ (*backbuffer)->surface = NULL;
+ }
+
+ if (sdl_texture)
+ {
+ SDL_DestroyTexture(sdl_texture);
+ sdl_texture = NULL;
+ }
+
+ if (!(fullscreen && fullscreen_enabled))
+ {
+ if (sdl_renderer)
+ {
+ SDL_DestroyRenderer(sdl_renderer);
+ sdl_renderer = NULL;
+ }
+
+ if (sdl_window)
+ {
+ SDL_DestroyWindow(sdl_window);
+ sdl_window = NULL;
+ }
+ }
+
+ if (sdl_window == NULL)
+ sdl_window = SDL_CreateWindow(program.window_title,
+ SDL_WINDOWPOS_CENTERED,
+ SDL_WINDOWPOS_CENTERED,
+#if USE_DESKTOP_FULLSCREEN
+ video.window_width,
+ video.window_height,
+#else
+ (int)(screen_scaling_factor * width),
+ (int)(screen_scaling_factor * height),
+#endif
+ surface_flags);
+
+ if (sdl_window != NULL)
+ {
+#if 0
+ /* if SDL_CreateRenderer() is called from within a VirtualBox Windows VM
+ *without* enabling 2D/3D acceleration and/or guest additions installed,
+ it will crash if flags are *not* set to SDL_RENDERER_SOFTWARE (because
+ it will try to use accelerated graphics and apparently fails miserably) */
+ if (sdl_renderer == NULL)
+ sdl_renderer = SDL_CreateRenderer(sdl_window, -1, SDL_RENDERER_SOFTWARE);
+#else
+ if (sdl_renderer == NULL)
+ sdl_renderer = SDL_CreateRenderer(sdl_window, -1, 0);
+#endif
+
+ if (sdl_renderer != NULL)
+ {
+ SDL_RenderSetLogicalSize(sdl_renderer, width, height);
+ // SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
+ SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, setup.window_scaling_quality);
+
+ sdl_texture = SDL_CreateTexture(sdl_renderer,
+ SDL_PIXELFORMAT_ARGB8888,
+ SDL_TEXTUREACCESS_STREAMING,
+ width, height);
+
+ if (sdl_texture != NULL)
+ {
+ // use SDL default values for RGB masks and no alpha channel
+ new_surface = SDL_CreateRGBSurface(0, width, height, 32, 0,0,0, 0);
+
+ if (new_surface == NULL)
+ Error(ERR_WARN, "SDL_CreateRGBSurface() failed: %s",
+ SDL_GetError());
+ }
+ else
+ {
+ Error(ERR_WARN, "SDL_CreateTexture() failed: %s", SDL_GetError());
+ }
+ }
+ else
+ {
+ Error(ERR_WARN, "SDL_CreateRenderer() failed: %s", SDL_GetError());
+ }
+ }
+ else
+ {
+ Error(ERR_WARN, "SDL_CreateWindow() failed: %s", SDL_GetError());
+ }
+
#else
- *window = CreateBitmap(video.width, video.height, video.depth);
+
+ if (sdl_window)
+ SDL_DestroyWindow(sdl_window);
+
+ sdl_window = SDL_CreateWindow(program.window_title,
+ SDL_WINDOWPOS_CENTERED,
+ SDL_WINDOWPOS_CENTERED,
+ width, height,
+ surface_flags);
+
+ if (sdl_window != NULL)
+ new_surface = SDL_GetWindowSurface(sdl_window);
#endif
+
+#else
+ new_surface = SDL_SetVideoMode(width, height, video.depth, surface_flags);
+#endif
+
+#if defined(TARGET_SDL2)
+ // store fullscreen state ("video.fullscreen_enabled" may not reflect this!)
+ if (new_surface != NULL)
+ fullscreen_enabled = fullscreen;
+#endif
+
+ return new_surface;
}
boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen)
{
boolean success = TRUE;
- int surface_flags_fullscreen = SURFACE_FLAGS | SDL_FULLSCREEN;
- int surface_flags_window = SURFACE_FLAGS;
SDL_Surface *new_surface = NULL;
+ SetWindowTitle();
+
if (*backbuffer == NULL)
*backbuffer = CreateBitmapStruct();
video_yoffset = fullscreen_yoffset;
/* switch display to fullscreen mode, if available */
- if ((new_surface = SDL_SetVideoMode(fullscreen_width, fullscreen_height,
- video.depth, surface_flags_fullscreen))
- == NULL)
+ new_surface = SDLCreateScreen(backbuffer, TRUE);
+
+ if (new_surface == NULL)
{
/* switching display to fullscreen mode failed */
Error(ERR_WARN, "SDL_SetVideoMode() failed: %s", SDL_GetError());
video_yoffset = 0;
/* switch display to window mode */
- if ((new_surface = SDL_SetVideoMode(video.width, video.height,
- video.depth, surface_flags_window))
- == NULL)
+ new_surface = SDLCreateScreen(backbuffer, FALSE);
+
+ if (new_surface == NULL)
{
/* switching display to window mode failed -- should not happen */
Error(ERR_WARN, "SDL_SetVideoMode() failed: %s", SDL_GetError());
(*backbuffer)->surface = new_surface;
video.fullscreen_enabled = FALSE;
+ video.window_scaling_percent = setup.window_scaling_percent;
+ video.window_scaling_quality = setup.window_scaling_quality;
success = TRUE;
}
}
-#if 1
- SDL_EventState(SDL_SYSWMEVENT, SDL_ENABLE);
+#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);
- SDL_GetWMInfo(&wminfo);
+#if defined(TARGET_SDL2)
+ if (sdl_window)
+ wminfo_success = SDL_GetWindowWMInfo(sdl_window, &wminfo);
+#else
+ wminfo_success = (SDL_GetWMInfo(&wminfo) == 1);
+#endif
- hwnd = wminfo.window;
+ if (wminfo_success)
+ {
+#if defined(TARGET_SDL2)
+ hwnd = wminfo.info.win.window;
+#else
+ hwnd = wminfo.window;
+#endif
- DragAcceptFiles(hwnd, TRUE);
+ DragAcceptFiles(hwnd, TRUE);
+ }
}
#endif
#endif
-
return success;
}
-void SDLCreateBitmapContent(Bitmap *new_bitmap, int width, int height,
+void SDLSetWindowTitle()
+{
+#if defined(TARGET_SDL2)
+ 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)
+ return;
+
+ float window_scaling_factor = (float)window_scaling_percent / 100;
+ int new_window_width = (int)(window_scaling_factor * video.width);
+ int new_window_height = (int)(window_scaling_factor * video.height);
+
+ SDL_SetWindowSize(sdl_window, new_window_width, new_window_height);
+
+ video.window_scaling_percent = window_scaling_percent;
+ video.window_width = new_window_width;
+ video.window_height = new_window_height;
+
+ SetWindowTitle();
+}
+
+void SDLSetWindowScalingQuality(char *window_scaling_quality)
+{
+ if (sdl_texture == NULL)
+ return;
+
+ SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, window_scaling_quality);
+
+ SDL_Texture *new_texture = SDL_CreateTexture(sdl_renderer,
+ SDL_PIXELFORMAT_ARGB8888,
+ SDL_TEXTUREACCESS_STREAMING,
+ video.width, video.height);
+
+ if (new_texture != NULL)
+ {
+ SDL_DestroyTexture(sdl_texture);
+
+ sdl_texture = new_texture;
+
+ SDLRedrawWindow();
+ }
+
+ video.window_scaling_quality = window_scaling_quality;
+}
+
+void SDLSetWindowFullscreen(boolean fullscreen)
+{
+ if (sdl_window == NULL)
+ return;
+
+#if USE_DESKTOP_FULLSCREEN
+ int flags = (fullscreen ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0);
+#else
+ int flags = (fullscreen ? SDL_WINDOW_FULLSCREEN : 0);
+#endif
+
+ if (SDL_SetWindowFullscreen(sdl_window, flags) == 0)
+ video.fullscreen_enabled = fullscreen_enabled = fullscreen;
+
+ // if screen size was changed in fullscreen mode, correct desktop window size
+ if (!fullscreen && video.fullscreen_initial)
+ {
+ SDLSetWindowScaling(setup.window_scaling_percent);
+ SDL_SetWindowPosition(sdl_window,
+ SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
+
+ video.fullscreen_initial = FALSE;
+ }
+}
+
+void SDLRedrawWindow()
+{
+ UpdateScreen(NULL);
+}
+#endif
+
+void SDLCreateBitmapContent(Bitmap *bitmap, int width, int height,
int depth)
{
- SDL_Surface *surface_tmp, *surface_native;
+ SDL_Surface *surface =
+ SDL_CreateRGBSurface(SURFACE_FLAGS, width, height, depth, 0,0,0, 0);
- if ((surface_tmp = SDL_CreateRGBSurface(SURFACE_FLAGS, width, height, depth,
- 0, 0, 0, 0))
- == NULL)
+ if (surface == NULL)
Error(ERR_EXIT, "SDL_CreateRGBSurface() failed: %s", SDL_GetError());
- if ((surface_native = SDL_DisplayFormat(surface_tmp)) == NULL)
- Error(ERR_EXIT, "SDL_DisplayFormat() failed: %s", SDL_GetError());
-
- SDL_FreeSurface(surface_tmp);
+ SDLSetNativeSurface(&surface);
- new_bitmap->surface = surface_native;
+ bitmap->surface = surface;
}
void SDLFreeBitmapPointers(Bitmap *bitmap)
SDL_FreeSurface(bitmap->surface);
if (bitmap->surface_masked)
SDL_FreeSurface(bitmap->surface_masked);
+
bitmap->surface = NULL;
bitmap->surface_masked = NULL;
+
+#if defined(TARGET_SDL2)
+ if (bitmap->texture)
+ SDL_DestroyTexture(bitmap->texture);
+ if (bitmap->texture_masked)
+ SDL_DestroyTexture(bitmap->texture_masked);
+
+ bitmap->texture = NULL;
+ bitmap->texture_masked = NULL;
+#endif
}
void SDLCopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap,
dst_rect.w = width;
dst_rect.h = height;
- if (src_bitmap != backbuffer || dst_bitmap != window)
+ // if (src_bitmap != backbuffer || dst_bitmap != window)
+ if (!(src_bitmap == backbuffer && dst_bitmap == window))
SDL_BlitSurface((mask_mode == BLIT_MASKED ?
src_bitmap->surface_masked : src_bitmap->surface),
&src_rect, real_dst_bitmap->surface, &dst_rect);
+#if defined(TARGET_SDL2)
+ if (dst_bitmap == window)
+ {
+ // SDL_UpdateWindowSurface(sdl_window);
+ // SDL_UpdateWindowSurfaceRects(sdl_window, &dst_rect, 1);
+ UpdateScreen(&dst_rect);
+ }
+#else
if (dst_bitmap == window)
- SDL_UpdateRect(backbuffer->surface, dst_x, dst_y, width, height);
+ {
+ // SDL_UpdateRect(backbuffer->surface, dst_x, dst_y, width, height);
+ UpdateScreen(&dst_rect);
+ }
+#endif
+}
+
+void SDLBlitTexture(Bitmap *bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y, int mask_mode)
+{
+#if defined(TARGET_SDL2)
+#if USE_RENDERER
+ SDL_Texture *texture;
+ SDL_Rect src_rect;
+ SDL_Rect dst_rect;
+
+ texture =
+ (mask_mode == BLIT_MASKED ? bitmap->texture_masked : bitmap->texture);
+
+ if (texture == NULL)
+ return;
+
+ src_rect.x = src_x;
+ src_rect.y = src_y;
+ src_rect.w = width;
+ src_rect.h = height;
+
+ dst_rect.x = dst_x;
+ dst_rect.y = dst_y;
+ dst_rect.w = width;
+ dst_rect.h = height;
+
+ SDL_RenderCopy(sdl_renderer, texture, &src_rect, &dst_rect);
+#endif
+#endif
}
void SDLFillRectangle(Bitmap *dst_bitmap, int x, int y, int width, int height,
SDL_FillRect(real_dst_bitmap->surface, &rect, color);
+#if defined(TARGET_SDL2)
+ if (dst_bitmap == window)
+ {
+ // SDL_UpdateWindowSurface(sdl_window);
+ // SDL_UpdateWindowSurfaceRects(sdl_window, &rect, 1);
+ UpdateScreen(&rect);
+ }
+#else
if (dst_bitmap == window)
- SDL_UpdateRect(backbuffer->surface, x, y, width, height);
+ {
+ // SDL_UpdateRect(backbuffer->surface, x, y, width, height);
+ UpdateScreen(&rect);
+ }
+#endif
}
void SDLFadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height,
SDL_Surface *surface_screen = backbuffer->surface;
SDL_Surface *surface_cross = (bitmap_cross ? bitmap_cross->surface : NULL);
SDL_Rect src_rect, dst_rect;
+ SDL_Rect dst_rect2;
int src_x = x, src_y = y;
int dst_x = x, dst_y = y;
unsigned int time_last, time_current;
dst_rect.w = width; /* (ignored) */
dst_rect.h = height; /* (ignored) */
+ dst_rect2 = dst_rect;
+
if (initialization_needed)
{
+#if defined(TARGET_SDL2)
+ unsigned int flags = 0;
+#else
unsigned int flags = SDL_SRCALPHA;
/* use same surface type as screen surface */
flags |= SDL_HWSURFACE;
else
flags |= SDL_SWSURFACE;
+#endif
/* create surface for temporary copy of screen buffer (source) */
if ((surface_source =
int i;
SDL_BlitSurface(surface_source, &src_rect, surface_screen, &dst_rect);
+#if defined(TARGET_SDL2)
+ SDL_SetSurfaceBlendMode(surface_target, SDL_BLENDMODE_NONE);
+#else
SDL_SetAlpha(surface_target, 0, 0); /* disable alpha blending */
+#endif
ypos[0] = -GetSimpleRandom(16);
if (draw_border_function != NULL)
draw_border_function();
- SDL_UpdateRect(surface_screen, dst_x, dst_y, width, height);
+ UpdateScreen(&dst_rect2);
}
}
}
- else
+ else if (fade_mode == FADE_MODE_CURTAIN)
+ {
+ float xx;
+ int xx_final;
+ int xx_size = width / 2;
+
+ SDL_BlitSurface(surface_target, &src_rect, surface_screen, &dst_rect);
+#if defined(TARGET_SDL2)
+ SDL_SetSurfaceBlendMode(surface_source, SDL_BLENDMODE_NONE);
+#else
+ SDL_SetAlpha(surface_source, 0, 0); /* disable alpha blending */
+#endif
+
+ for (xx = 0; xx < xx_size;)
+ {
+ time_last = time_current;
+ time_current = SDL_GetTicks();
+ xx += xx_size * ((float)(time_current - time_last) / fade_delay);
+ xx_final = MIN(MAX(0, xx), xx_size);
+
+ src_rect.x = src_x;
+ src_rect.y = src_y;
+ src_rect.w = width;
+ src_rect.h = height;
+
+ dst_rect.x = dst_x;
+ dst_rect.y = dst_y;
+
+ /* draw new (target) image to screen buffer */
+ SDL_BlitSurface(surface_target, &src_rect, surface_screen, &dst_rect);
+
+ if (xx_final < xx_size)
+ {
+ src_rect.w = xx_size - xx_final;
+ src_rect.h = height;
+
+ /* draw old (source) image to screen buffer (left side) */
+
+ src_rect.x = src_x + xx_final;
+ dst_rect.x = dst_x;
+
+ SDL_BlitSurface(surface_source, &src_rect, surface_screen, &dst_rect);
+
+ /* draw old (source) image to screen buffer (right side) */
+
+ src_rect.x = src_x + xx_size;
+ dst_rect.x = dst_x + xx_size + xx_final;
+
+ SDL_BlitSurface(surface_source, &src_rect, surface_screen, &dst_rect);
+ }
+
+ if (draw_border_function != NULL)
+ draw_border_function();
+
+ /* only update the region of the screen that is affected from fading */
+ UpdateScreen(&dst_rect2);
+ }
+ }
+ else /* fading in, fading out or cross-fading */
{
float alpha;
int alpha_final;
SDL_BlitSurface(surface_source, &src_rect, surface_screen, &dst_rect);
/* draw new (target) image to screen buffer using alpha blending */
+#if defined(TARGET_SDL2)
+ SDL_SetSurfaceAlphaMod(surface_target, alpha_final);
+ SDL_SetSurfaceBlendMode(surface_target, SDL_BLENDMODE_BLEND);
+#else
SDL_SetAlpha(surface_target, SDL_SRCALPHA, alpha_final);
+#endif
SDL_BlitSurface(surface_target, &src_rect, surface_screen, &dst_rect);
if (draw_border_function != NULL)
draw_border_function();
-#if 1
/* only update the region of the screen that is affected from fading */
- SDL_UpdateRect(surface_screen, dst_x, dst_y, width, height);
-#else
- SDL_Flip(surface_screen);
-#endif
+ UpdateScreen(&dst_rect);
}
}
- Delay(post_delay);
+ if (post_delay > 0)
+ {
+ unsigned int time_post_delay;
+
+ time_current = SDL_GetTicks();
+ time_post_delay = time_current + post_delay;
+
+ while (time_current < time_post_delay)
+ {
+ // do not wait longer than 10 ms at a time to be able to ...
+ Delay(MIN(10, time_post_delay - time_current));
+
+ // ... continue drawing global animations during post delay
+ UpdateScreen(NULL);
+
+ time_current = SDL_GetTicks();
+ }
+ }
}
void SDLDrawSimpleLine(Bitmap *dst_bitmap, int from_x, int from_y,
sge_Line(dst_bitmap->surface, from_x, from_y, to_x, to_y, color);
}
-#if 0
+#if ENABLE_UNUSED_CODE
void SDLDrawLines(SDL_Surface *surface, struct XY *points,
int num_points, Uint32 color)
{
/* ========================================================================= */
/* The following functions were taken from the SGE library */
-/* (SDL Graphics Extension Library) by Anders Lindström */
+/* (SDL Graphics Extension Library) by Anders Lindström */
/* http://www.etek.chalmers.se/~e8cal1/sge/index.html */
/* ========================================================================= */
{
int x, y;
tColorRGBA *sp, *csp, *dp;
- int sgap, dgap;
+ int dgap;
/* pointer setup */
sp = csp = (tColorRGBA *) src->pixels;
dp = (tColorRGBA *) dst->pixels;
- sgap = src->pitch - src->w * 4;
dgap = dst->pitch - dst->w * 4;
for (y = 0; y < dst->h; y++)
int zoomSurfaceRGBA(SDL_Surface *src, SDL_Surface *dst)
{
- int x, y, sx, sy, *sax, *say, *csax, *csay, csx, csy;
- tColorRGBA *sp, *csp, *dp;
- int sgap, dgap;
+ int x, y, *sax, *say, *csax, *csay;
+ float sx, sy;
+ tColorRGBA *sp, *csp, *csp0, *dp;
+ int dgap;
/* use specialized zoom function when scaling down to exactly half size */
if (src->w == 2 * dst->w &&
return zoomSurfaceRGBA_scaleDownBy2(src, dst);
/* variable setup */
- sx = (int) (65536.0 * (float) src->w / (float) dst->w);
- sy = (int) (65536.0 * (float) src->h / (float) dst->h);
+ sx = (float) src->w / (float) dst->w;
+ sy = (float) src->h / (float) dst->h;
/* allocate memory for row increments */
- sax = (int *)checked_malloc((dst->w + 1) * sizeof(Uint32));
- say = (int *)checked_malloc((dst->h + 1) * sizeof(Uint32));
+ csax = sax = (int *)checked_malloc((dst->w + 1) * sizeof(Uint32));
+ csay = say = (int *)checked_malloc((dst->h + 1) * sizeof(Uint32));
/* precalculate row increments */
- csx = 0;
- csax = sax;
for (x = 0; x <= dst->w; x++)
- {
- *csax = csx;
- csax++;
- csx &= 0xffff;
- csx += sx;
- }
+ *csax++ = (int)(sx * x);
- csy = 0;
- csay = say;
for (y = 0; y <= dst->h; y++)
- {
- *csay = csy;
- csay++;
- csy &= 0xffff;
- csy += sy;
- }
+ *csay++ = (int)(sy * y);
/* pointer setup */
- sp = csp = (tColorRGBA *) src->pixels;
+ sp = csp = csp0 = (tColorRGBA *) src->pixels;
dp = (tColorRGBA *) dst->pixels;
- sgap = src->pitch - src->w * 4;
dgap = dst->pitch - dst->w * 4;
csay = say;
/* advance source pointers */
csax++;
- sp += (*csax >> 16);
+ sp = csp + *csax;
/* advance destination pointer */
dp++;
/* advance source pointer */
csay++;
- csp = (tColorRGBA *) ((Uint8 *) csp + (*csay >> 16) * src->pitch);
+ csp = (tColorRGBA *) ((Uint8 *) csp0 + *csay * src->pitch);
/* advance destination pointers */
dp = (tColorRGBA *) ((Uint8 *) dp + dgap);
else
{
/* new source surface is 32 bit with a defined RGB ordering */
- zoom_src = SDL_CreateRGBSurface(SDL_SWSURFACE, src->w, src->h, 32,
+ zoom_src = SDL_CreateRGBSurface(SURFACE_FLAGS, src->w, src->h, 32,
0x000000ff, 0x0000ff00, 0x00ff0000, 0);
SDL_BlitSurface(src, NULL, zoom_src, NULL);
is_32bit = TRUE;
if (is_32bit)
{
/* target surface is 32 bit with source RGBA/ABGR ordering */
- zoom_dst = SDL_CreateRGBSurface(SDL_SWSURFACE, dst_width, dst_height, 32,
+ zoom_dst = SDL_CreateRGBSurface(SURFACE_FLAGS, dst_width, dst_height, 32,
zoom_src->format->Rmask,
zoom_src->format->Gmask,
zoom_src->format->Bmask, 0);
else
{
/* target surface is 8 bit */
- zoom_dst = SDL_CreateRGBSurface(SDL_SWSURFACE, dst_width, dst_height, 8,
+ zoom_dst = SDL_CreateRGBSurface(SURFACE_FLAGS, dst_width, dst_height, 8,
0, 0, 0, 0);
}
return zoom_dst;
}
-void SDLZoomBitmap(Bitmap *src_bitmap, Bitmap *dst_bitmap)
+Bitmap *SDLZoomBitmap(Bitmap *src_bitmap, int dst_width, int dst_height)
{
- SDL_Surface *sdl_surface_tmp;
- int dst_width = dst_bitmap->width;
- int dst_height = dst_bitmap->height;
+ Bitmap *dst_bitmap = CreateBitmapStruct();
+ SDL_Surface **dst_surface = &dst_bitmap->surface;
- /* throw away old destination surface */
- SDL_FreeSurface(dst_bitmap->surface);
+ dst_width = MAX(1, dst_width); /* prevent zero bitmap width */
+ dst_height = MAX(1, dst_height); /* prevent zero bitmap height */
+
+ dst_bitmap->width = dst_width;
+ dst_bitmap->height = dst_height;
/* create zoomed temporary surface from source surface */
- sdl_surface_tmp = zoomSurface(src_bitmap->surface, dst_width, dst_height);
+ *dst_surface = zoomSurface(src_bitmap->surface, dst_width, dst_height);
/* create native format destination surface from zoomed temporary surface */
- dst_bitmap->surface = SDL_DisplayFormat(sdl_surface_tmp);
+ SDLSetNativeSurface(dst_surface);
- /* free temporary surface */
- SDL_FreeSurface(sdl_surface_tmp);
+ return dst_bitmap;
}
Bitmap *new_bitmap = CreateBitmapStruct();
SDL_Surface *sdl_image_tmp;
+ print_timestamp_init("SDLLoadImage");
+
+ print_timestamp_time(getBaseNamePtr(filename));
+
/* load image to temporary surface */
if ((sdl_image_tmp = IMG_Load(filename)) == NULL)
{
return NULL;
}
+ print_timestamp_time("IMG_Load");
+
UPDATE_BUSY_STATE();
/* create native non-transparent surface for current image */
- if ((new_bitmap->surface = SDL_DisplayFormat(sdl_image_tmp)) == NULL)
+ if ((new_bitmap->surface = SDLGetNativeSurface(sdl_image_tmp)) == NULL)
{
SetError("SDL_DisplayFormat(): %s", SDL_GetError());
return NULL;
}
+ print_timestamp_time("SDL_DisplayFormat (opaque)");
+
UPDATE_BUSY_STATE();
/* create native transparent surface for current image */
- SDL_SetColorKey(sdl_image_tmp, SDL_SRCCOLORKEY,
+ SDL_SetColorKey(sdl_image_tmp, SET_TRANSPARENT_PIXEL,
SDL_MapRGB(sdl_image_tmp->format, 0x00, 0x00, 0x00));
- if ((new_bitmap->surface_masked = SDL_DisplayFormat(sdl_image_tmp)) == NULL)
+
+ if ((new_bitmap->surface_masked = SDLGetNativeSurface(sdl_image_tmp)) == NULL)
{
SetError("SDL_DisplayFormat(): %s", SDL_GetError());
return NULL;
}
+ print_timestamp_time("SDL_DisplayFormat (masked)");
+
UPDATE_BUSY_STATE();
/* free temporary surface */
new_bitmap->width = new_bitmap->surface->w;
new_bitmap->height = new_bitmap->surface->h;
+ print_timestamp_done("SDLLoadImage");
+
return new_bitmap;
}
void SDLOpenAudio(void)
{
+#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)
{
void SDLHandleWindowManagerEvent(Event *event)
{
+#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");
printf("::: - '%s'\n", buffer);
}
+#if defined(TARGET_SDL2)
+ DragFinish((HDROP)syswmmsg->msg.win.wParam);
+#else
DragFinish((HDROP)syswmmsg->wParam);
+#endif
}
#endif
+#endif
}
return;
SDL_JoystickClose(sdl_joystick[nr]);
+
+ sdl_joystick[nr] = NULL;
}
static boolean SDLCheckJoystickOpened(int nr)
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
}
void HandleJoystickEvent(Event *event)
{
sdl_joystick_subsystem_initialized = TRUE;
- if (SDL_Init(SDL_INIT_JOYSTICK) < 0)
+ if (SDL_InitSubSystem(SDL_INIT_JOYSTICK) < 0)
{
Error(ERR_EXIT, "SDL_Init() failed: %s", SDL_GetError());
return;
return TRUE;
}
-
-#endif /* TARGET_SDL */
projects / rocksndiamonds.git / blobdiff