X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Flibgame%2Fsdl.c;h=b6fd5b407b2ec9dbfcfe9f0d0af3e49c9d1ddaa7;hb=7b447f4c902beff72ad385a99cd723eb7d1ea369;hp=4fd21a304494c6fda4b4e5d63135da4644f41430;hpb=a7c06161253796a30a0237a7f5a044f459c8cf35;p=rocksndiamonds.git

diff --git a/src/libgame/sdl.c b/src/libgame/sdl.c
index 4fd21a30..b6fd5b40 100644
--- a/src/libgame/sdl.c
+++ b/src/libgame/sdl.c
@@ -40,13 +40,31 @@ static int fullscreen_xoffset;
 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);
 
-#if defined(TARGET_SDL2)
+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) */
+
+#if 1
+  if (limit_screen_updates &&
+      !DelayReached(&update_screen_delay, update_screen_delay_value))
+    return;
+
+  LimitScreenUpdates(FALSE);
+#endif
+
+#if defined(TARGET_SDL2)
 #if USE_RENDERER
   SDL_Surface *screen = backbuffer->surface;
 
@@ -79,8 +97,14 @@ static void UpdateScreen(SDL_Rect *rect)
   else
     SDL_UpdateWindowSurface(sdl_window);
 #endif
-}
+
+#else	// TARGET_SDL
+  if (rect)
+    SDL_UpdateRects(backbuffer->surface, 1, rect);
+  else
+    SDL_UpdateRect(backbuffer->surface, 0, 0, 0, 0);
 #endif
+}
 
 static void setFullscreenParameters(char *fullscreen_mode_string)
 {
@@ -231,6 +255,7 @@ void SDLInitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window,
 #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();
@@ -391,9 +416,9 @@ static SDL_Surface *SDLCreateScreen(DrawBuffer **backbuffer,
 				    boolean fullscreen)
 {
   SDL_Surface *new_surface = NULL;
-  static boolean fullscreen_enabled = FALSE;
 
 #if defined(TARGET_SDL2)
+  static boolean fullscreen_enabled = FALSE;
   int surface_flags_window = SURFACE_FLAGS | SDL_WINDOW_RESIZABLE;
 #if USE_DESKTOP_FULLSCREEN
   int surface_flags_fullscreen = SURFACE_FLAGS | SDL_WINDOW_FULLSCREEN_DESKTOP;
@@ -490,13 +515,23 @@ static SDL_Surface *SDLCreateScreen(DrawBuffer **backbuffer,
 
   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, "linear");
+      SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, setup.window_scaling_quality);
 
       sdl_texture = SDL_CreateTexture(sdl_renderer,
 				      SDL_PIXELFORMAT_ARGB8888,
@@ -559,9 +594,11 @@ static SDL_Surface *SDLCreateScreen(DrawBuffer **backbuffer,
   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;
 }
@@ -582,6 +619,8 @@ boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen)
 #endif
   SDL_Surface *new_surface = NULL;
 
+  SetWindowTitle();
+
   if (*backbuffer == NULL)
     *backbuffer = CreateBitmapStruct();
 
@@ -768,6 +807,7 @@ boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen)
 
       video.fullscreen_enabled = FALSE;
       video.window_scaling_percent = setup.window_scaling_percent;
+      video.window_scaling_quality = setup.window_scaling_quality;
 
       success = TRUE;
     }
@@ -785,13 +825,26 @@ boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen)
   {
     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
@@ -799,6 +852,15 @@ boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen)
   return success;
 }
 
+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)
 {
@@ -818,6 +880,32 @@ void SDLSetWindowScaling(int window_scaling_percent)
   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)
@@ -934,7 +1022,10 @@ void SDLCopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap,
   }
 #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
 }
 
@@ -966,7 +1057,10 @@ void SDLFillRectangle(Bitmap *dst_bitmap, int x, int y, int width, int height,
   }
 #else
   if (dst_bitmap == window)
-    SDL_UpdateRect(backbuffer->surface, x, y, width, height);
+  {
+    // SDL_UpdateRect(backbuffer->surface, x, y, width, height);
+    UpdateScreen(&rect);
+  }
 #endif
 }
 
@@ -981,9 +1075,7 @@ 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;
-#if defined(TARGET_SDL2)
   SDL_Rect dst_rect2;
-#endif
   int src_x = x, src_y = y;
   int dst_x = x, dst_y = y;
   unsigned int time_last, time_current;
@@ -1012,9 +1104,7 @@ void SDLFadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height,
   dst_rect.w = width;		/* (ignored) */
   dst_rect.h = height;		/* (ignored) */
 
-#if defined(TARGET_SDL2)
   dst_rect2 = dst_rect;
-#endif
 
   if (initialization_needed)
   {
@@ -1215,7 +1305,8 @@ void SDLFadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height,
 	// SDL_UpdateWindowSurfaceRects(sdl_window, &dst_rect2, 1);
 	UpdateScreen(&dst_rect2);
 #else
-	SDL_UpdateRect(surface_screen, dst_x, dst_y, width, height);
+	// SDL_UpdateRect(surface_screen, dst_x, dst_y, width, height);
+	UpdateScreen(&dst_rect2);
 #endif
       }
     }
@@ -1254,7 +1345,8 @@ void SDLFadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height,
       // SDL_UpdateWindowSurfaceRects(sdl_window, &dst_rect, 1);
       UpdateScreen(&dst_rect);
 #else
-      SDL_UpdateRect(surface_screen, dst_x, dst_y, width, height);
+      // SDL_UpdateRect(surface_screen, dst_x, dst_y, width, height);
+      UpdateScreen(&dst_rect);
 #endif
 #else
       SDL_Flip(surface_screen);
@@ -2442,9 +2534,17 @@ void SDLHandleWindowManagerEvent(Event *event)
   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");
@@ -2461,7 +2561,11 @@ void SDLHandleWindowManagerEvent(Event *event)
       printf("::: - '%s'\n", buffer);
     }
 
+#if defined(TARGET_SDL2)
+    DragFinish((HDROP)syswmmsg->msg.win.wParam);
+#else
     DragFinish((HDROP)syswmmsg->wParam);
+#endif
   }
 #endif
 }