diff --git a/BasiliskII/src/MacOSX/BasiliskII.xcodeproj/project.pbxproj b/BasiliskII/src/MacOSX/BasiliskII.xcodeproj/project.pbxproj index cd96c0e5..232f5f5e 100644 --- a/BasiliskII/src/MacOSX/BasiliskII.xcodeproj/project.pbxproj +++ b/BasiliskII/src/MacOSX/BasiliskII.xcodeproj/project.pbxproj @@ -51,7 +51,6 @@ 7539E1731F23B25A006B2DF2 /* scsi.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 7539E0701F23B25A006B2DF2 /* scsi.cpp */; }; 7539E1741F23B25A006B2DF2 /* audio_sdl.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 7539E0721F23B25A006B2DF2 /* audio_sdl.cpp */; }; 7539E1751F23B25A006B2DF2 /* keycodes in Resources */ = {isa = PBXBuildFile; fileRef = 7539E0731F23B25A006B2DF2 /* keycodes */; }; - 7539E1771F23B25A006B2DF2 /* video_sdl.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 7539E0761F23B25A006B2DF2 /* video_sdl.cpp */; }; 7539E1781F23B25A006B2DF2 /* serial.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 7539E0771F23B25A006B2DF2 /* serial.cpp */; }; 7539E18D1F23B25A006B2DF2 /* slot_rom.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 7539E0A21F23B25A006B2DF2 /* slot_rom.cpp */; }; 7539E18E1F23B25A006B2DF2 /* sony.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 7539E0A31F23B25A006B2DF2 /* sony.cpp */; }; @@ -106,6 +105,7 @@ 756C1B341F252FC100620917 /* utils_macosx.mm in Sources */ = {isa = PBXBuildFile; fileRef = 756C1B331F252FC100620917 /* utils_macosx.mm */; }; 756C1B391F25306A00620917 /* AppKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 756C1B381F25306A00620917 /* AppKit.framework */; }; 757A2BF01F5AF9D6003EDB01 /* user_strings_unix.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 757A2BEF1F5AF9D6003EDB01 /* user_strings_unix.cpp */; }; + 75CBCF751F5DB3AD00830063 /* video_sdl2.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 75CBCF741F5DB3AD00830063 /* video_sdl2.cpp */; }; /* End PBXBuildFile section */ /* Begin PBXContainerItemProxy section */ @@ -288,7 +288,6 @@ 7539E0701F23B25A006B2DF2 /* scsi.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = scsi.cpp; path = ../scsi.cpp; sourceTree = ""; }; 7539E0721F23B25A006B2DF2 /* audio_sdl.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = audio_sdl.cpp; sourceTree = ""; }; 7539E0731F23B25A006B2DF2 /* keycodes */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = keycodes; sourceTree = ""; }; - 7539E0761F23B25A006B2DF2 /* video_sdl.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = video_sdl.cpp; sourceTree = ""; }; 7539E0771F23B25A006B2DF2 /* serial.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = serial.cpp; path = ../serial.cpp; sourceTree = ""; }; 7539E0A21F23B25A006B2DF2 /* slot_rom.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = slot_rom.cpp; path = ../slot_rom.cpp; sourceTree = ""; }; 7539E0A31F23B25A006B2DF2 /* sony.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = sony.cpp; path = ../sony.cpp; sourceTree = ""; }; @@ -376,6 +375,7 @@ 756C1B331F252FC100620917 /* utils_macosx.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = utils_macosx.mm; sourceTree = ""; }; 756C1B381F25306A00620917 /* AppKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = AppKit.framework; path = System/Library/Frameworks/AppKit.framework; sourceTree = SDKROOT; }; 757A2BEF1F5AF9D6003EDB01 /* user_strings_unix.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = user_strings_unix.cpp; sourceTree = ""; }; + 75CBCF741F5DB3AD00830063 /* video_sdl2.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = video_sdl2.cpp; sourceTree = ""; }; /* End PBXFileReference section */ /* Begin PBXFrameworksBuildPhase section */ @@ -584,7 +584,7 @@ 752F27001F242BAF001032B4 /* prefs_sdl.cpp */, 7539E0721F23B25A006B2DF2 /* audio_sdl.cpp */, 7539E0731F23B25A006B2DF2 /* keycodes */, - 7539E0761F23B25A006B2DF2 /* video_sdl.cpp */, + 75CBCF741F5DB3AD00830063 /* video_sdl2.cpp */, ); name = SDL; path = ../SDL; @@ -1038,7 +1038,6 @@ 7539E1A01F23B25A006B2DF2 /* memory.cpp in Sources */, 753253351F53688D0024025B /* readcpu.cpp in Sources */, 7539E1741F23B25A006B2DF2 /* audio_sdl.cpp in Sources */, - 7539E1771F23B25A006B2DF2 /* video_sdl.cpp in Sources */, 753252EE1F535DD10024025B /* defs68k.c in Sources */, 7539E29F1F23C939006B2DF2 /* fpu_uae.cpp in Sources */, 7539E1E21F23B25A006B2DF2 /* video.cpp in Sources */, @@ -1056,6 +1055,7 @@ 7539E1901F23B25A006B2DF2 /* basilisk_glue.cpp in Sources */, 7539E2801F23C4CA006B2DF2 /* main_unix.cpp in Sources */, 7539E1E11F23B25A006B2DF2 /* user_strings.cpp in Sources */, + 75CBCF751F5DB3AD00830063 /* video_sdl2.cpp in Sources */, 752F27011F242BAF001032B4 /* prefs_sdl.cpp in Sources */, 7539E2971F23C5FD006B2DF2 /* newcpu.cpp in Sources */, 7539E12A1F23B25A006B2DF2 /* vm_alloc.cpp in Sources */, diff --git a/BasiliskII/src/SDL/video_sdl.cpp b/BasiliskII/src/SDL/video_sdl.cpp old mode 100755 new mode 100644 index 26a14829..798ed8e8 --- a/BasiliskII/src/SDL/video_sdl.cpp +++ b/BasiliskII/src/SDL/video_sdl.cpp @@ -51,7 +51,7 @@ #include /* alloca() */ #endif -#include +#include "cpu_emulation.h" #include "main.h" #include "adb.h" #include "macos_util.h" @@ -87,8 +87,6 @@ static int display_type = DISPLAY_WINDOW; // See enum above // Constants #ifdef WIN32 const char KEYCODE_FILE_NAME[] = "BasiliskII_keycodes"; -#elif __MACOSX__ -const char KEYCODE_FILE_NAME[] = "BasiliskII_keycodes"; #else const char KEYCODE_FILE_NAME[] = DATADIR "/keycodes"; #endif @@ -129,18 +127,12 @@ static bool use_keycodes = false; // Flag: Use keycodes rather than keysyms static int keycode_table[256]; // X keycode -> Mac keycode translation table // SDL variables -SDL_Window * sdl_window = NULL; // Wraps an OS-native window -static SDL_Surface * host_surface = NULL; // Surface in host-OS display format -static SDL_Surface * guest_surface = NULL; // Surface in guest-OS display format -static SDL_Renderer * sdl_renderer = NULL; // Handle to SDL2 renderer -static SDL_threadID sdl_renderer_thread_id = 0; // Thread ID where the SDL_renderer was created, and SDL_renderer ops should run (for compatibility w/ d3d9) -static SDL_Texture * sdl_texture = NULL; // Handle to a GPU texture, with which to draw guest_surface to static int screen_depth; // Depth of current screen -static SDL_Cursor *sdl_cursor = NULL; // Copy of Mac cursor -static SDL_Palette *sdl_palette = NULL; // Color palette to be used as CLUT and gamma table +static SDL_Cursor *sdl_cursor; // Copy of Mac cursor +static SDL_Color sdl_palette[256]; // Color palette to be used as CLUT and gamma table static bool sdl_palette_changed = false; // Flag: Palette changed, redraw thread must set new colors static bool toggle_fullscreen = false; -static bool did_add_event_watch = false; +static const int sdl_eventmask = SDL_MOUSEEVENTMASK | SDL_KEYEVENTMASK | SDL_VIDEOEXPOSEMASK | SDL_QUITMASK | SDL_ACTIVEEVENTMASK; static bool mouse_grabbed = false; @@ -166,10 +158,6 @@ static void (*video_refresh)(void); // Prototypes static int redraw_func(void *arg); -static int update_sdl_video(); -static int present_sdl_video(); -static int SDLCALL on_sdl_event_generated(void *userdata, SDL_Event * event); -static bool is_fullscreen(SDL_Window *); // From sys_unix.cpp extern void SysMountFirstFloppy(void); @@ -181,7 +169,7 @@ extern void SysMountFirstFloppy(void); #ifdef ENABLE_VOSF #define SDL_VIDEO_LOCK_VOSF_SURFACE(SURFACE) do { \ - if (sdl_window && SDL_GetWindowFlags(sdl_window) & (SDL_WINDOW_FULLSCREEN)) \ + if ((SURFACE)->flags & (SDL_HWSURFACE | SDL_FULLSCREEN)) \ the_host_buffer = (uint8 *)(SURFACE)->pixels; \ } while (0) #else @@ -207,9 +195,6 @@ extern void SysMountFirstFloppy(void); static void *vm_acquire_framebuffer(uint32 size) { -#if __MACOSX__ - return calloc(1, size); -#else // always try to reallocate framebuffer at the same address static void *fb = VM_MAP_FAILED; if (fb != VM_MAP_FAILED) { @@ -223,16 +208,11 @@ static void *vm_acquire_framebuffer(uint32 size) if (fb == VM_MAP_FAILED) fb = vm_acquire(size, VM_MAP_DEFAULT | VM_MAP_32BIT); return fb; -#endif } static inline void vm_release_framebuffer(void *fb, uint32 size) { -#if __MACOSX__ - free(fb); -#else vm_release(fb, size); -#endif } static inline int get_customized_color_depth(int default_depth) @@ -438,15 +418,25 @@ static int sdl_depth_of_video_depth(int video_depth) // Get screen dimensions static void sdl_display_dimensions(int &width, int &height) { - SDL_DisplayMode desktop_mode; - const int display_index = 0; // TODO: try supporting multiple displays - if (SDL_GetDesktopDisplayMode(display_index, &desktop_mode) != 0) { - // TODO: report a warning, here? - width = height = 0; - return; + static int max_width, max_height; + if (max_width == 0 && max_height == 0) { + max_width = 640 ; max_height = 480; + SDL_Rect **modes = SDL_ListModes(NULL, SDL_FULLSCREEN | SDL_HWSURFACE); + if (modes && modes != (SDL_Rect **)-1) { + // It turns out that on some implementations, and contrary to the documentation, + // the returned list is not sorted from largest to smallest (e.g. Windows) + for (int i = 0; modes[i] != NULL; i++) { + const int w = modes[i]->w; + const int h = modes[i]->h; + if (w > max_width && h > max_height) { + max_width = w; + max_height = h; + } + } + } } - width = desktop_mode.w; - height = desktop_mode.h; + width = max_width; + height = max_height; } static inline int sdl_display_width(void) @@ -476,8 +466,10 @@ static bool has_mode(int type, int width, int height, int depth) if (width > sdl_display_width() || height > sdl_display_height()) return false; - // Whatever size it is, beyond what we've checked, we'll scale to/from as appropriate. - return true; + // Rely on SDL capabilities + return SDL_VideoModeOK(width, height, + sdl_depth_of_video_depth(depth), + SDL_HWSURFACE | (type == DISPLAY_SCREEN ? SDL_FULLSCREEN : 0)) != 0; } // Add mode to list of supported modes @@ -530,20 +522,18 @@ static void set_mac_frame_buffer(SDL_monitor_desc &monitor, int depth, bool nati // Set window name and class static void set_window_name(int name) { - if (!sdl_window) { - return; + const SDL_VideoInfo *vi = SDL_GetVideoInfo(); + if (vi && vi->wm_available) { + const char *str = GetString(name); + SDL_WM_SetCaption(str, str); } - const char *str = GetString(name); - SDL_SetWindowTitle(sdl_window, str); } // Set mouse grab mode -static void set_grab_mode(bool grab) +static SDL_GrabMode set_grab_mode(SDL_GrabMode mode) { - if (!sdl_window) { - return; - } - SDL_SetWindowGrab(sdl_window, grab ? SDL_TRUE : SDL_FALSE); + const SDL_VideoInfo *vi = SDL_GetVideoInfo(); + return (vi && vi->wm_available ? SDL_WM_GrabInput(mode) : SDL_GRAB_OFF); } // Migrate preferences items (XXX to be handled in MigratePrefs()) @@ -647,256 +637,11 @@ driver_base::driver_base(SDL_monitor_desc &m) the_buffer_copy = NULL; } -static void delete_sdl_video_surfaces() -{ - if (sdl_texture) { - SDL_DestroyTexture(sdl_texture); - sdl_texture = NULL; - } - - if (host_surface) { - if (host_surface == guest_surface) { - guest_surface = NULL; - } - - SDL_FreeSurface(host_surface); - host_surface = NULL; - } - - if (guest_surface) { - SDL_FreeSurface(guest_surface); - guest_surface = NULL; - } -} - -static void delete_sdl_video_window() -{ - if (sdl_renderer) { - SDL_DestroyRenderer(sdl_renderer); - sdl_renderer = NULL; - } - - if (sdl_window) { - SDL_DestroyWindow(sdl_window); - sdl_window = NULL; - } -} - -static void shutdown_sdl_video() -{ - delete_sdl_video_surfaces(); - delete_sdl_video_window(); -} - -static SDL_Surface * init_sdl_video(int width, int height, int bpp, Uint32 flags) -{ - if (guest_surface) { - delete_sdl_video_surfaces(); - } - - int window_width = width; - int window_height = height; - Uint32 window_flags = 0; - const int window_flags_to_monitor = SDL_WINDOW_FULLSCREEN; - - if (flags & SDL_WINDOW_FULLSCREEN) { - SDL_DisplayMode desktop_mode; - if (SDL_GetDesktopDisplayMode(0, &desktop_mode) != 0) { - shutdown_sdl_video(); - return NULL; - } - window_flags |= SDL_WINDOW_FULLSCREEN_DESKTOP; - window_width = desktop_mode.w; - window_height = desktop_mode.h; - } - - if (sdl_window) { - int old_window_width, old_window_height, old_window_flags; - SDL_GetWindowSize(sdl_window, &old_window_width, &old_window_height); - old_window_flags = SDL_GetWindowFlags(sdl_window); - if (old_window_width != window_width || - old_window_height != window_height || - (old_window_flags & window_flags_to_monitor) != (window_flags & window_flags_to_monitor)) - { - delete_sdl_video_window(); - } - } - - // Apply anti-aliasing, if and when appropriate (usually in fullscreen) - SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear"); - - // Always use a resize-able window. This helps allow SDL to manage - // transitions involving fullscreen to or from windowed-mode. - window_flags |= SDL_WINDOW_RESIZABLE; - - if (!sdl_window) { - sdl_window = SDL_CreateWindow( - "Basilisk II", - SDL_WINDOWPOS_UNDEFINED, - SDL_WINDOWPOS_UNDEFINED, - window_width, - window_height, - window_flags); - if (!sdl_window) { - shutdown_sdl_video(); - return NULL; - } - } - - // Some SDL events (regarding some native-window events), need processing - // as they are generated. SDL2 has a facility, SDL_AddEventWatch(), which - // allows events to be processed as they are generated. - if (!did_add_event_watch) { - SDL_AddEventWatch(&on_sdl_event_generated, NULL); - did_add_event_watch = true; - } - - if (!sdl_renderer) { - sdl_renderer = SDL_CreateRenderer(sdl_window, -1, SDL_RENDERER_ACCELERATED); - if (!sdl_renderer) { - shutdown_sdl_video(); - return NULL; - } - sdl_renderer_thread_id = SDL_ThreadID(); - } - - SDL_assert(sdl_texture == NULL); - sdl_texture = SDL_CreateTexture(sdl_renderer, SDL_PIXELFORMAT_RGB888, SDL_TEXTUREACCESS_STREAMING, width, height); - if (!sdl_texture) { - shutdown_sdl_video(); - return NULL; - } - - SDL_assert(guest_surface == NULL); - SDL_assert(host_surface == NULL); - switch (bpp) { - case 8: - guest_surface = SDL_CreateRGBSurface(0, width, height, 8, 0, 0, 0, 0); - break; - case 16: - guest_surface = SDL_CreateRGBSurface(0, width, height, 16, 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000); - break; - case 32: - guest_surface = SDL_CreateRGBSurface(0, width, height, 32, 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000); - host_surface = guest_surface; - break; - default: - printf("WARNING: An unsupported bpp of %d was used\n", bpp); - break; - } - if (!guest_surface) { - shutdown_sdl_video(); - return NULL; - } - - if (!host_surface) { - Uint32 texture_format; - if (SDL_QueryTexture(sdl_texture, &texture_format, NULL, NULL, NULL) != 0) { - printf("ERROR: Unable to get the SDL texture's pixel format: %s\n", SDL_GetError()); - shutdown_sdl_video(); - return NULL; - } - - int bpp; - Uint32 Rmask, Gmask, Bmask, Amask; - if (!SDL_PixelFormatEnumToMasks(texture_format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) { - printf("ERROR: Unable to determine format for host SDL_surface: %s\n", SDL_GetError()); - shutdown_sdl_video(); - return NULL; - } - - host_surface = SDL_CreateRGBSurface(0, width, height, bpp, Rmask, Gmask, Bmask, Amask); - if (!host_surface) { - printf("ERROR: Unable to create host SDL_surface: %s\n", SDL_GetError()); - shutdown_sdl_video(); - return NULL; - } - } - - if (SDL_RenderSetLogicalSize(sdl_renderer, width, height) != 0) { - printf("ERROR: Unable to set SDL rendeer's logical size (to %dx%d): %s\n", - width, height, SDL_GetError()); - shutdown_sdl_video(); - return NULL; - } - - return guest_surface; -} - -static int present_sdl_video() -{ - if (!sdl_renderer || !sdl_texture || !guest_surface) { - printf("WARNING: A video mode does not appear to have been set.\n"); - return -1; - } - - // Some systems, such as D3D9, can fail if and when they are used across - // certain operations. To address this, only utilize SDL_Renderer in a - // single thread, preferably the main thread. - // - // This was added as part of a fix for https://github.com/DavidLudwig/macemu/issues/21 - // "BasiliskII, Win32: resizing a window does not stretch " - SDL_assert(SDL_ThreadID() == sdl_renderer_thread_id); - - // Make sure the display's internal (to SDL, possibly the OS) buffer gets - // cleared. Not doing so can, if and when letterboxing is applied (whereby - // colored bars are drawn on the screen's sides to help with aspect-ratio - // correction), the colored bars can be an unknown color. - SDL_SetRenderDrawColor(sdl_renderer, 0, 0, 0, 0); // Use black - SDL_RenderClear(sdl_renderer); // Clear the display - - if (host_surface != guest_surface && - host_surface != NULL && - guest_surface != NULL) - { - SDL_Rect destRect = {0, 0, host_surface->w, host_surface->h}; - if (SDL_BlitSurface(guest_surface, NULL, host_surface, &destRect) != 0) { - return -1; - } - } - - if (SDL_UpdateTexture(sdl_texture, NULL, host_surface->pixels, host_surface->pitch) != 0) { - return -1; - } - - SDL_Rect src_rect = {0, 0, host_surface->w, host_surface->h}; - if (SDL_RenderCopy(sdl_renderer, sdl_texture, &src_rect, NULL) != 0) { - return -1; - } - - SDL_RenderPresent(sdl_renderer); - - return 0; -} - -static int update_sdl_video() -{ - // HACK, dludwig@pobox.com: for now, just update the whole screen, via - // VideoInterrupt(), which gets called on the main thread. - // - // TODO: make sure SDL_Renderer resources get displayed, if and when - // MacsBug is running (and VideoInterrupt() might not get called) - // - // TODO: cache rects to update, then use rects in present_sdl_video() - return 0; -} - -static int update_sdl_video(SDL_Surface *s, int x, int y, int w, int h) -{ - // HACK, dludwig@pobox.com: for now, just update the whole screen, via - // VideoInterrupt(), which gets called on the main thread. - // - // TODO: make sure SDL_Renderer resources get displayed, if and when - // MacsBug is running (and VideoInterrupt() might not get called) - // - // TODO: cache rects to update, then use rects in present_sdl_video() - return 0; -} - void driver_base::set_video_mode(int flags) { int depth = sdl_depth_of_video_depth(VIDEO_MODE_DEPTH); - if ((s = init_sdl_video(VIDEO_MODE_X, VIDEO_MODE_Y, depth, flags)) == NULL) + if ((s = SDL_SetVideoMode(VIDEO_MODE_X, VIDEO_MODE_Y, depth, + SDL_HWSURFACE | flags)) == NULL) return; #ifdef ENABLE_VOSF the_host_buffer = (uint8 *)s->pixels; @@ -905,7 +650,7 @@ void driver_base::set_video_mode(int flags) void driver_base::init() { - set_video_mode(display_type == DISPLAY_SCREEN ? SDL_WINDOW_FULLSCREEN : 0); + set_video_mode(display_type == DISPLAY_SCREEN ? SDL_FULLSCREEN : 0); int aligned_height = (VIDEO_MODE_Y + 15) & ~15; #ifdef ENABLE_VOSF @@ -992,14 +737,8 @@ driver_base::~driver_base() ungrab_mouse(); restore_mouse_accel(); - // HACK: Just delete instances of SDL_Surface and SDL_Texture, rather - // than also the SDL_Window and SDL_Renderer. This fixes a bug whereby - // OSX hosts, when in fullscreen, will, on a guest OS resolution change, - // do a series of switches (using OSX's "Spaces" feature) to and from - // the Basilisk II desktop, - delete_sdl_video_surfaces(); // This deletes instances of SDL_Surface and SDL_Texture - //shutdown_sdl_video(); // This deletes SDL_Window, SDL_Renderer, in addition to - // instances of SDL_Surface and SDL_Texture. + if (s) + SDL_FreeSurface(s); // the_buffer shall always be mapped through vm_acquire_framebuffer() if (the_buffer != VM_MAP_FAILED) { @@ -1036,9 +775,8 @@ void driver_base::update_palette(void) { const VIDEO_MODE &mode = monitor.get_current_mode(); - if ((int)VIDEO_MODE_DEPTH <= VIDEO_DEPTH_8BIT) { - SDL_SetSurfacePalette(s, sdl_palette); - } + if ((int)VIDEO_MODE_DEPTH <= VIDEO_DEPTH_8BIT) + SDL_SetPalette(s, SDL_PHYSPAL, sdl_palette, 0, 256); } // Disable mouse acceleration @@ -1060,24 +798,16 @@ void driver_base::toggle_mouse_grab(void) grab_mouse(); } -static void update_mouse_grab() -{ - if (mouse_grabbed) { - SDL_SetRelativeMouseMode(SDL_TRUE); - } else { - SDL_SetRelativeMouseMode(SDL_FALSE); - } -} - // Grab mouse, switch to relative mouse mode void driver_base::grab_mouse(void) { if (!mouse_grabbed) { - mouse_grabbed = true; - update_mouse_grab(); - set_window_name(STR_WINDOW_TITLE_GRABBED); - disable_mouse_accel(); - ADBSetRelMouseMode(true); + SDL_GrabMode new_mode = set_grab_mode(SDL_GRAB_ON); + if (new_mode == SDL_GRAB_ON) { + set_window_name(STR_WINDOW_TITLE_GRABBED); + disable_mouse_accel(); + ADBSetRelMouseMode(mouse_grabbed = true); + } } } @@ -1085,11 +815,12 @@ void driver_base::grab_mouse(void) void driver_base::ungrab_mouse(void) { if (mouse_grabbed) { - mouse_grabbed = false; - update_mouse_grab(); - set_window_name(STR_WINDOW_TITLE); - restore_mouse_accel(); - ADBSetRelMouseMode(false); + SDL_GrabMode new_mode = set_grab_mode(SDL_GRAB_OFF); + if (new_mode == SDL_GRAB_OFF) { + set_window_name(STR_WINDOW_TITLE); + restore_mouse_accel(); + ADBSetRelMouseMode(mouse_grabbed = false); + } } } @@ -1120,7 +851,8 @@ static void keycode_init(void) keycode_table[i] = -1; // Search for server vendor string, then read keycodes - const char * video_driver = SDL_GetCurrentVideoDriver(); + char video_driver[256]; + SDL_VideoDriverName(video_driver, sizeof(video_driver)); bool video_driver_found = false; char line[256]; int n_keys = 0; @@ -1153,7 +885,7 @@ static void keycode_init(void) static const char sdl_str[] = "sdl"; if (strncmp(line, sdl_str, sizeof(sdl_str) - 1) == 0) { char *p = line + sizeof(sdl_str); - if (video_driver && strstr(video_driver, p) == video_driver) + if (strstr(video_driver, p) == video_driver) video_driver_found = true; } } @@ -1166,12 +898,12 @@ static void keycode_init(void) // Vendor not found? Then display warning if (!video_driver_found) { char str[256]; - snprintf(str, sizeof(str), GetString(STR_KEYCODE_VENDOR_WARN), video_driver ? video_driver : "", kc_path ? kc_path : KEYCODE_FILE_NAME); + snprintf(str, sizeof(str), GetString(STR_KEYCODE_VENDOR_WARN), video_driver, kc_path ? kc_path : KEYCODE_FILE_NAME); WarningAlert(str); return; } - D(bug("Using SDL/%s keycodes table, %d key mappings\n", video_driver ? video_driver : "", n_keys)); + D(bug("Using SDL/%s keycodes table, %d key mappings\n", video_driver, n_keys)); } } @@ -1212,7 +944,7 @@ bool SDL_monitor_desc::video_open(void) // Start redraw/input thread #ifndef USE_CPU_EMUL_SERVICES redraw_thread_cancel = false; - redraw_thread_active = ((redraw_thread = SDL_CreateThread(redraw_func, "Redraw Thread", NULL)) != NULL); + redraw_thread_active = ((redraw_thread = SDL_CreateThread(redraw_func, NULL)) != NULL); if (!redraw_thread_active) { printf("FATAL: cannot create redraw thread\n"); return false; @@ -1290,11 +1022,7 @@ bool VideoInit(bool classic) default_height = sdl_display_height(); // Mac screen depth follows X depth - screen_depth = 32; - SDL_DisplayMode desktop_mode; - if (SDL_GetDesktopDisplayMode(0, &desktop_mode) == 0) { - screen_depth = SDL_BITSPERPIXEL(desktop_mode.format); - } + screen_depth = SDL_GetVideoInfo()->vfmt->BitsPerPixel; int default_depth; switch (screen_depth) { case 8: @@ -1351,6 +1079,8 @@ bool VideoInit(bool classic) const int h = video_modes[i].h; if (i > 0 && (w >= default_width || h >= default_height)) continue; + if (w == 512 && h == 384) + continue; for (int d = VIDEO_DEPTH_1BIT; d <= default_depth; d++) add_mode(display_type, w, h, video_modes[i].resolution_id, TrivialBytesPerRow(w, (video_depth)d), d); } @@ -1490,18 +1220,18 @@ static void do_toggle_fullscreen(void) while (!thread_stop_ack) ; #endif - // Apply fullscreen - if (sdl_window) { - if (display_type == DISPLAY_SCREEN) { - display_type = DISPLAY_WINDOW; - SDL_SetWindowFullscreen(sdl_window, 0); - } else { - display_type = DISPLAY_SCREEN; - SDL_SetWindowFullscreen(sdl_window, SDL_WINDOW_FULLSCREEN_DESKTOP); - } - } + // save the mouse position + int x, y; + SDL_GetMouseState(&x, &y); + + // save the screen contents + SDL_Surface *tmp_surface = SDL_ConvertSurface(drv->s, drv->s->format, + drv->s->flags); // switch modes + display_type = (display_type == DISPLAY_SCREEN) ? DISPLAY_WINDOW + : DISPLAY_SCREEN; + drv->set_video_mode(display_type == DISPLAY_SCREEN ? SDL_FULLSCREEN : 0); drv->adapt_to_video_mode(); // reset the palette @@ -1510,12 +1240,20 @@ static void do_toggle_fullscreen(void) #endif drv->update_palette(); + // restore the screen contents + SDL_BlitSurface(tmp_surface, NULL, drv->s, NULL); + SDL_FreeSurface(tmp_surface); + SDL_UpdateRect(drv->s, 0, 0, 0, 0); + // reset the video refresh handler VideoRefreshInit(); // while SetVideoMode is happening, control key up may be missed ADBKeyUp(0x36); - + + // restore the mouse position + SDL_WarpMouse(x, y); + // resume redraw thread toggle_fullscreen = false; #ifndef USE_CPU_EMUL_SERVICES @@ -1531,26 +1269,6 @@ static void do_toggle_fullscreen(void) * Execute video VBL routine */ -static bool is_fullscreen(SDL_Window * window) -{ -#ifdef __MACOSX__ - // On OSX, SDL, at least as of 2.0.5 (and possibly beyond), does not always - // report changes to fullscreen via the SDL_WINDOW_FULLSCREEN flag. - // (Example: https://bugzilla.libsdl.org/show_bug.cgi?id=3766 , which - // involves fullscreen/windowed toggles via window-manager UI controls). - // Until it does, or adds a facility to do so, we'll use a platform-specific - // code path to detect fullscreen changes. - extern bool is_fullscreen_osx(SDL_Window * window); - return is_fullscreen_osx(sdl_window); -#else - if (!window) { - return false; - } - const Uint32 sdl_window_flags = SDL_GetWindowFlags(sdl_window); - return (sdl_window_flags & SDL_WINDOW_FULLSCREEN) != 0; -#endif -} - #ifdef SHEEPSHAVER void VideoVBL(void) { @@ -1560,8 +1278,6 @@ void VideoVBL(void) if (toggle_fullscreen) do_toggle_fullscreen(); - - present_sdl_video(); // Temporarily give up frame buffer lock (this is the point where // we are suspended when the user presses Ctrl-Tab) @@ -1585,8 +1301,6 @@ void VideoInterrupt(void) if (toggle_fullscreen) do_toggle_fullscreen(); - present_sdl_video(); - // Temporarily give up frame buffer lock (this is the point where // we are suspended when the user presses Ctrl-Tab) UNLOCK_FRAME_BUFFER; @@ -1627,12 +1341,7 @@ void SDL_monitor_desc::set_palette(uint8 *pal, int num_in) // Convert colors to XColor array int num_out = 256; bool stretch = false; - - if (!sdl_palette) { - sdl_palette = SDL_AllocPalette(num_out); - } - - SDL_Color *p = sdl_palette->colors; + SDL_Color *p = sdl_palette; for (int i=0; ir = pal[c*3 + 0] * 0x0101; @@ -1735,7 +1444,25 @@ bool video_can_change_cursor(void) if (display_type != DISPLAY_WINDOW) return false; +#if defined(__APPLE__) + static char driver[] = "Quartz?"; + static int quartzok = -1; + + if (quartzok < 0) { + if (SDL_VideoDriverName(driver, sizeof driver) == NULL || strncmp(driver, "Quartz", sizeof driver)) + quartzok = true; + else { + // Quartz driver bug prevents cursor changing in SDL 1.2.11 to 1.2.14. + const SDL_version *vp = SDL_Linked_Version(); + int version = SDL_VERSIONNUM(vp->major, vp->minor, vp->patch); + quartzok = (version <= SDL_VERSIONNUM(1, 2, 10) || version >= SDL_VERSIONNUM(1, 2, 15)); + } + } + + return quartzok; +#else return true; +#endif } #endif @@ -1770,8 +1497,7 @@ void video_set_cursor(void) if (visible) { int x, y; SDL_GetMouseState(&x, &y); - printf("WarpMouse to {%d,%d} via video_set_cursor\n", x, y); - SDL_WarpMouseGlobal(x, y); + SDL_WarpMouse(x, y); } } } @@ -1787,25 +1513,27 @@ void video_set_cursor(void) static bool is_modifier_key(SDL_KeyboardEvent const & e) { switch (e.keysym.sym) { - case SDLK_NUMLOCKCLEAR: + case SDLK_NUMLOCK: case SDLK_CAPSLOCK: - case SDLK_SCROLLLOCK: + case SDLK_SCROLLOCK: case SDLK_RSHIFT: case SDLK_LSHIFT: case SDLK_RCTRL: case SDLK_LCTRL: case SDLK_RALT: case SDLK_LALT: - case SDLK_RGUI: - case SDLK_LGUI: + case SDLK_RMETA: + case SDLK_LMETA: + case SDLK_LSUPER: + case SDLK_RSUPER: case SDLK_MODE: - case SDLK_APPLICATION: + case SDLK_COMPOSE: return true; } return false; } -static bool is_ctrl_down(SDL_Keysym const & ks) +static bool is_ctrl_down(SDL_keysym const & ks) { return ctrl_down || (ks.mod & KMOD_CTRL); } @@ -1816,7 +1544,7 @@ static bool is_ctrl_down(SDL_Keysym const & ks) * and -2 if the key was recognized as a hotkey */ -static int kc_decode(SDL_Keysym const & ks, bool key_down) +static int kc_decode(SDL_keysym const & ks, bool key_down) { switch (ks.sym) { case SDLK_a: return 0x00; @@ -1888,17 +1616,19 @@ static int kc_decode(SDL_Keysym const & ks, bool key_down) #if (defined(__APPLE__) && defined(__MACH__)) case SDLK_LALT: return 0x3a; case SDLK_RALT: return 0x3a; - case SDLK_LGUI: return 0x37; - case SDLK_RGUI: return 0x37; + case SDLK_LMETA: return 0x37; + case SDLK_RMETA: return 0x37; #else case SDLK_LALT: return 0x37; case SDLK_RALT: return 0x37; - case SDLK_LGUI: return 0x3a; - case SDLK_RGUI: return 0x3a; + case SDLK_LMETA: return 0x3a; + case SDLK_RMETA: return 0x3a; #endif + case SDLK_LSUPER: return 0x3a; // "Windows" key + case SDLK_RSUPER: return 0x3a; case SDLK_MENU: return 0x32; case SDLK_CAPSLOCK: return 0x39; - case SDLK_NUMLOCKCLEAR: return 0x47; + case SDLK_NUMLOCK: return 0x47; case SDLK_UP: return 0x3e; case SDLK_DOWN: return 0x3d; @@ -1911,7 +1641,7 @@ static int kc_decode(SDL_Keysym const & ks, bool key_down) case SDLK_F2: return 0x78; case SDLK_F3: return 0x63; case SDLK_F4: return 0x76; - case SDLK_F5: return 0x60; + case SDLK_F5: if (is_ctrl_down(ks)) {if (!key_down) drv->toggle_mouse_grab(); return -2;} else return 0x60; case SDLK_F6: return 0x61; case SDLK_F7: return 0x62; case SDLK_F8: return 0x64; @@ -1920,20 +1650,20 @@ static int kc_decode(SDL_Keysym const & ks, bool key_down) case SDLK_F11: return 0x67; case SDLK_F12: return 0x6f; - case SDLK_PRINTSCREEN: return 0x69; - case SDLK_SCROLLLOCK: return 0x6b; + case SDLK_PRINT: return 0x69; + case SDLK_SCROLLOCK: return 0x6b; case SDLK_PAUSE: return 0x71; - case SDLK_KP_0: return 0x52; - case SDLK_KP_1: return 0x53; - case SDLK_KP_2: return 0x54; - case SDLK_KP_3: return 0x55; - case SDLK_KP_4: return 0x56; - case SDLK_KP_5: return 0x57; - case SDLK_KP_6: return 0x58; - case SDLK_KP_7: return 0x59; - case SDLK_KP_8: return 0x5b; - case SDLK_KP_9: return 0x5c; + case SDLK_KP0: return 0x52; + case SDLK_KP1: return 0x53; + case SDLK_KP2: return 0x54; + case SDLK_KP3: return 0x55; + case SDLK_KP4: return 0x56; + case SDLK_KP5: return 0x57; + case SDLK_KP6: return 0x58; + case SDLK_KP7: return 0x59; + case SDLK_KP8: return 0x5b; + case SDLK_KP9: return 0x5c; case SDLK_KP_PERIOD: return 0x41; case SDLK_KP_PLUS: return 0x45; case SDLK_KP_MINUS: return 0x4e; @@ -1973,78 +1703,15 @@ static void force_complete_window_refresh() * SDL event handling */ -// possible return codes for SDL-registered event watches -enum : int { - EVENT_DROP_FROM_QUEUE = 0, - EVENT_ADD_TO_QUEUE = 1 -}; - -// Some events need to be processed in the host-app's main thread, due to -// host-OS requirements. -// -// This function is called by SDL, whenever it generates an SDL_Event. It has -// the ability to process events, and optionally, to prevent them from being -// added to SDL's event queue (and retrieve-able via SDL_PeepEvents(), etc.) -static int SDLCALL on_sdl_event_generated(void *userdata, SDL_Event * event) -{ - switch (event->type) { - case SDL_KEYUP: { - SDL_Keysym const & ks = event->key.keysym; - switch (ks.sym) { - case SDLK_F5: { - if (is_ctrl_down(ks)) { - drv->toggle_mouse_grab(); - return EVENT_DROP_FROM_QUEUE; - } - } break; - } - } break; - - case SDL_WINDOWEVENT: { - switch (event->window.event) { - case SDL_WINDOWEVENT_RESIZED: { - // Handle changes of fullscreen. This is done here, in - // on_sdl_event_generated() and not the main SDL_Event-processing - // loop, in order to perform this change on the main thread. - // (Some os'es UI APIs, such as OSX's NSWindow, are not - // thread-safe.) - const bool is_full = is_fullscreen(sdl_window); - const bool adjust_fullscreen = \ - (display_type == DISPLAY_WINDOW && is_full) || - (display_type == DISPLAY_SCREEN && !is_full); - if (adjust_fullscreen) { - do_toggle_fullscreen(); - -#if __MACOSX__ - // HACK-FIX: on OSX hosts, make sure that the OSX menu - // bar does not show up in fullscreen mode, when the - // cursor is near the top of the screen, lest the - // guest OS' menu bar be obscured. - if (is_full) { - extern void set_menu_bar_visible_osx(bool); - set_menu_bar_visible_osx(false); - } -#endif - } - } break; - } - } break; - } - - return EVENT_ADD_TO_QUEUE; -} - - static void handle_events(void) { SDL_Event events[10]; const int n_max_events = sizeof(events) / sizeof(events[0]); int n_events; - while ((n_events = SDL_PeepEvents(events, n_max_events, SDL_GETEVENT, SDL_FIRSTEVENT, SDL_LASTEVENT)) > 0) { + while ((n_events = SDL_PeepEvents(events, n_max_events, SDL_GETEVENT, sdl_eventmask)) > 0) { for (int i = 0; i < n_events; i++) { - SDL_Event & event = events[i]; - + SDL_Event const & event = events[i]; switch (event.type) { // Mouse button @@ -2143,28 +1810,24 @@ static void handle_events(void) } break; } - - case SDL_WINDOWEVENT: { - switch (event.window.event) { - // Hidden parts exposed, force complete refresh of window - case SDL_WINDOWEVENT_EXPOSED: - force_complete_window_refresh(); - break; - - // Force a complete window refresh when activating, to avoid redraw artifacts otherwise. - case SDL_WINDOWEVENT_RESTORED: - force_complete_window_refresh(); - break; - - } + + // Hidden parts exposed, force complete refresh of window + case SDL_VIDEOEXPOSE: + force_complete_window_refresh(); break; - } // Window "close" widget clicked case SDL_QUIT: ADBKeyDown(0x7f); // Power key ADBKeyUp(0x7f); break; + + // Application activate/deactivate + case SDL_ACTIVEEVENT: + // Force a complete window refresh when activating, to avoid redraw artifacts otherwise. + if (event.active.gain && (event.active.state & SDL_APPACTIVE)) + force_complete_window_refresh(); + break; } } } @@ -2261,7 +1924,7 @@ static void update_display_static(driver_base *drv) SDL_UnlockSurface(drv->s); // Refresh display - update_sdl_video(drv->s, x1, y1, wide, high); + SDL_UpdateRect(drv->s, x1, y1, wide, high); } } else { @@ -2317,7 +1980,7 @@ static void update_display_static(driver_base *drv) SDL_UnlockSurface(drv->s); // Refresh display - update_sdl_video(drv->s, x1, y1, wide, high); + SDL_UpdateRect(drv->s, x1, y1, wide, high); } } } @@ -2380,8 +2043,8 @@ static void update_display_static_bbox(driver_base *drv) // Refresh display if (nr_boxes) - update_sdl_video(); - } + SDL_UpdateRects(drv->s, nr_boxes, boxes); +} // We suggest the compiler to inline the next two functions so that it diff --git a/BasiliskII/src/SDL/video_sdl2.cpp b/BasiliskII/src/SDL/video_sdl2.cpp new file mode 100755 index 00000000..26a14829 --- /dev/null +++ b/BasiliskII/src/SDL/video_sdl2.cpp @@ -0,0 +1,2601 @@ +/* + * video_sdl.cpp - Video/graphics emulation, SDL specific stuff + * + * Basilisk II (C) 1997-2008 Christian Bauer + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * NOTES: + * The Ctrl key works like a qualifier for special actions: + * Ctrl-Tab = suspend DGA mode (TODO) + * Ctrl-Esc = emergency quit + * Ctrl-F1 = mount floppy + * Ctrl-F5 = grab mouse (in windowed mode) + * + * FIXMEs and TODOs: + * - Windows requires an extra mouse event to update the actual cursor image? + * - Ctr-Tab for suspend/resume but how? SDL does not support that for non-Linux + * - Ctrl-Fn doesn't generate SDL_KEYDOWN events (SDL bug?) + * - Mouse acceleration, there is no API in SDL yet for that + * - Gamma tables support is likely to be broken here + * - Events processing is bound to the general emulation thread as SDL requires + * to PumpEvents() within the same thread as the one that called SetVideoMode(). + * Besides, there can't seem to be a way to call SetVideoMode() from a child thread. + * - Backport hw cursor acceleration to Basilisk II? + * - Factor out code + */ + +#include "sysdeps.h" + +#include +#include +#include +#include +#include + +#ifdef WIN32 +#include /* alloca() */ +#endif + +#include +#include "main.h" +#include "adb.h" +#include "macos_util.h" +#include "prefs.h" +#include "user_strings.h" +#include "video.h" +#include "video_defs.h" +#include "video_blit.h" +#include "vm_alloc.h" + +#define DEBUG 0 +#include "debug.h" + +// Supported video modes +using std::vector; +static vector VideoModes; + +// Display types +#ifdef SHEEPSHAVER +enum { + DISPLAY_WINDOW = DIS_WINDOW, // windowed display + DISPLAY_SCREEN = DIS_SCREEN // fullscreen display +}; +extern int display_type; // See enum above +#else +enum { + DISPLAY_WINDOW, // windowed display + DISPLAY_SCREEN // fullscreen display +}; +static int display_type = DISPLAY_WINDOW; // See enum above +#endif + +// Constants +#ifdef WIN32 +const char KEYCODE_FILE_NAME[] = "BasiliskII_keycodes"; +#elif __MACOSX__ +const char KEYCODE_FILE_NAME[] = "BasiliskII_keycodes"; +#else +const char KEYCODE_FILE_NAME[] = DATADIR "/keycodes"; +#endif + + +// Global variables +static uint32 frame_skip; // Prefs items +static int16 mouse_wheel_mode; +static int16 mouse_wheel_lines; + +static uint8 *the_buffer = NULL; // Mac frame buffer (where MacOS draws into) +static uint8 *the_buffer_copy = NULL; // Copy of Mac frame buffer (for refreshed modes) +static uint32 the_buffer_size; // Size of allocated the_buffer + +static bool redraw_thread_active = false; // Flag: Redraw thread installed +#ifndef USE_CPU_EMUL_SERVICES +static volatile bool redraw_thread_cancel; // Flag: Cancel Redraw thread +static SDL_Thread *redraw_thread = NULL; // Redraw thread +static volatile bool thread_stop_req = false; +static volatile bool thread_stop_ack = false; // Acknowledge for thread_stop_req +#endif + +#ifdef ENABLE_VOSF +static bool use_vosf = false; // Flag: VOSF enabled +#else +static const bool use_vosf = false; // VOSF not possible +#endif + +static bool ctrl_down = false; // Flag: Ctrl key pressed +static bool caps_on = false; // Flag: Caps Lock on +static bool quit_full_screen = false; // Flag: DGA close requested from redraw thread +static bool emerg_quit = false; // Flag: Ctrl-Esc pressed, emergency quit requested from MacOS thread +static bool emul_suspended = false; // Flag: Emulator suspended + +static bool classic_mode = false; // Flag: Classic Mac video mode + +static bool use_keycodes = false; // Flag: Use keycodes rather than keysyms +static int keycode_table[256]; // X keycode -> Mac keycode translation table + +// SDL variables +SDL_Window * sdl_window = NULL; // Wraps an OS-native window +static SDL_Surface * host_surface = NULL; // Surface in host-OS display format +static SDL_Surface * guest_surface = NULL; // Surface in guest-OS display format +static SDL_Renderer * sdl_renderer = NULL; // Handle to SDL2 renderer +static SDL_threadID sdl_renderer_thread_id = 0; // Thread ID where the SDL_renderer was created, and SDL_renderer ops should run (for compatibility w/ d3d9) +static SDL_Texture * sdl_texture = NULL; // Handle to a GPU texture, with which to draw guest_surface to +static int screen_depth; // Depth of current screen +static SDL_Cursor *sdl_cursor = NULL; // Copy of Mac cursor +static SDL_Palette *sdl_palette = NULL; // Color palette to be used as CLUT and gamma table +static bool sdl_palette_changed = false; // Flag: Palette changed, redraw thread must set new colors +static bool toggle_fullscreen = false; +static bool did_add_event_watch = false; + +static bool mouse_grabbed = false; + +// Mutex to protect SDL events +static SDL_mutex *sdl_events_lock = NULL; +#define LOCK_EVENTS SDL_LockMutex(sdl_events_lock) +#define UNLOCK_EVENTS SDL_UnlockMutex(sdl_events_lock) + +// Mutex to protect palette +static SDL_mutex *sdl_palette_lock = NULL; +#define LOCK_PALETTE SDL_LockMutex(sdl_palette_lock) +#define UNLOCK_PALETTE SDL_UnlockMutex(sdl_palette_lock) + +// Mutex to protect frame buffer +static SDL_mutex *frame_buffer_lock = NULL; +#define LOCK_FRAME_BUFFER SDL_LockMutex(frame_buffer_lock) +#define UNLOCK_FRAME_BUFFER SDL_UnlockMutex(frame_buffer_lock) + +// Video refresh function +static void VideoRefreshInit(void); +static void (*video_refresh)(void); + + +// Prototypes +static int redraw_func(void *arg); +static int update_sdl_video(); +static int present_sdl_video(); +static int SDLCALL on_sdl_event_generated(void *userdata, SDL_Event * event); +static bool is_fullscreen(SDL_Window *); + +// From sys_unix.cpp +extern void SysMountFirstFloppy(void); + + +/* + * SDL surface locking glue + */ + +#ifdef ENABLE_VOSF +#define SDL_VIDEO_LOCK_VOSF_SURFACE(SURFACE) do { \ + if (sdl_window && SDL_GetWindowFlags(sdl_window) & (SDL_WINDOW_FULLSCREEN)) \ + the_host_buffer = (uint8 *)(SURFACE)->pixels; \ +} while (0) +#else +#define SDL_VIDEO_LOCK_VOSF_SURFACE(SURFACE) +#endif + +#define SDL_VIDEO_LOCK_SURFACE(SURFACE) do { \ + if (SDL_MUSTLOCK(SURFACE)) { \ + SDL_LockSurface(SURFACE); \ + SDL_VIDEO_LOCK_VOSF_SURFACE(SURFACE); \ + } \ +} while (0) + +#define SDL_VIDEO_UNLOCK_SURFACE(SURFACE) do { \ + if (SDL_MUSTLOCK(SURFACE)) \ + SDL_UnlockSurface(SURFACE); \ +} while (0) + + +/* + * Framebuffer allocation routines + */ + +static void *vm_acquire_framebuffer(uint32 size) +{ +#if __MACOSX__ + return calloc(1, size); +#else + // always try to reallocate framebuffer at the same address + static void *fb = VM_MAP_FAILED; + if (fb != VM_MAP_FAILED) { + if (vm_acquire_fixed(fb, size) < 0) { +#ifndef SHEEPSHAVER + printf("FATAL: Could not reallocate framebuffer at previous address\n"); +#endif + fb = VM_MAP_FAILED; + } + } + if (fb == VM_MAP_FAILED) + fb = vm_acquire(size, VM_MAP_DEFAULT | VM_MAP_32BIT); + return fb; +#endif +} + +static inline void vm_release_framebuffer(void *fb, uint32 size) +{ +#if __MACOSX__ + free(fb); +#else + vm_release(fb, size); +#endif +} + +static inline int get_customized_color_depth(int default_depth) +{ + int display_color_depth = PrefsFindInt32("displaycolordepth"); + + D(bug("Get displaycolordepth %d\n", display_color_depth)); + + if(0 == display_color_depth) + return default_depth; + else{ + switch (display_color_depth) { + case 8: + return VIDEO_DEPTH_8BIT; + case 15: case 16: + return VIDEO_DEPTH_16BIT; + case 24: case 32: + return VIDEO_DEPTH_32BIT; + default: + return default_depth; + } + } +} + +/* + * Windows message handler + */ + +#ifdef WIN32 +#include +static WNDPROC sdl_window_proc = NULL; // Window proc used by SDL + +extern void SysMediaArrived(void); +extern void SysMediaRemoved(void); +extern HWND GetMainWindowHandle(void); + +static LRESULT CALLBACK windows_message_handler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) +{ + switch (msg) { + case WM_DEVICECHANGE: + if (wParam == DBT_DEVICEREMOVECOMPLETE) { + DEV_BROADCAST_HDR *p = (DEV_BROADCAST_HDR *)lParam; + if (p->dbch_devicetype == DBT_DEVTYP_VOLUME) + SysMediaRemoved(); + } + else if (wParam == DBT_DEVICEARRIVAL) { + DEV_BROADCAST_HDR *p = (DEV_BROADCAST_HDR *)lParam; + if (p->dbch_devicetype == DBT_DEVTYP_VOLUME) + SysMediaArrived(); + } + return 0; + + default: + if (sdl_window_proc) + return CallWindowProc(sdl_window_proc, hwnd, msg, wParam, lParam); + } + + return DefWindowProc(hwnd, msg, wParam, lParam); +} +#endif + + +/* + * SheepShaver glue + */ + +#ifdef SHEEPSHAVER +// Color depth modes type +typedef int video_depth; + +// 1, 2, 4 and 8 bit depths use a color palette +static inline bool IsDirectMode(VIDEO_MODE const & mode) +{ + return IsDirectMode(mode.viAppleMode); +} + +// Abstract base class representing one (possibly virtual) monitor +// ("monitor" = rectangular display with a contiguous frame buffer) +class monitor_desc { +public: + monitor_desc(const vector &available_modes, video_depth default_depth, uint32 default_id) {} + virtual ~monitor_desc() {} + + // Get current Mac frame buffer base address + uint32 get_mac_frame_base(void) const {return screen_base;} + + // Set Mac frame buffer base address (called from switch_to_mode()) + void set_mac_frame_base(uint32 base) {screen_base = base;} + + // Get current video mode + const VIDEO_MODE &get_current_mode(void) const {return VModes[cur_mode];} + + // Called by the video driver to switch the video mode on this display + // (must call set_mac_frame_base()) + virtual void switch_to_current_mode(void) = 0; + + // Called by the video driver to set the color palette (in indexed modes) + // or the gamma table (in direct modes) + virtual void set_palette(uint8 *pal, int num) = 0; +}; + +// Vector of pointers to available monitor descriptions, filled by VideoInit() +static vector VideoMonitors; + +// Find Apple mode matching best specified dimensions +static int find_apple_resolution(int xsize, int ysize) +{ + if (xsize == 640 && ysize == 480) + return APPLE_640x480; + if (xsize == 800 && ysize == 600) + return APPLE_800x600; + if (xsize == 1024 && ysize == 768) + return APPLE_1024x768; + if (xsize == 1152 && ysize == 768) + return APPLE_1152x768; + if (xsize == 1152 && ysize == 900) + return APPLE_1152x900; + if (xsize == 1280 && ysize == 1024) + return APPLE_1280x1024; + if (xsize == 1600 && ysize == 1200) + return APPLE_1600x1200; + return APPLE_CUSTOM; +} + +// Display error alert +static void ErrorAlert(int error) +{ + ErrorAlert(GetString(error)); +} +#endif + + +/* + * monitor_desc subclass for SDL display + */ + +class SDL_monitor_desc : public monitor_desc { +public: + SDL_monitor_desc(const vector &available_modes, video_depth default_depth, uint32 default_id) : monitor_desc(available_modes, default_depth, default_id) {} + ~SDL_monitor_desc() {} + + virtual void switch_to_current_mode(void); + virtual void set_palette(uint8 *pal, int num); + + bool video_open(void); + void video_close(void); +}; + + +/* + * Utility functions + */ + +// Find palette size for given color depth +static int palette_size(int mode) +{ + switch (mode) { + case VIDEO_DEPTH_1BIT: return 2; + case VIDEO_DEPTH_2BIT: return 4; + case VIDEO_DEPTH_4BIT: return 16; + case VIDEO_DEPTH_8BIT: return 256; + case VIDEO_DEPTH_16BIT: return 32; + case VIDEO_DEPTH_32BIT: return 256; + default: return 0; + } +} + +// Map video_mode depth ID to numerical depth value +static int mac_depth_of_video_depth(int video_depth) +{ + int depth = -1; + switch (video_depth) { + case VIDEO_DEPTH_1BIT: + depth = 1; + break; + case VIDEO_DEPTH_2BIT: + depth = 2; + break; + case VIDEO_DEPTH_4BIT: + depth = 4; + break; + case VIDEO_DEPTH_8BIT: + depth = 8; + break; + case VIDEO_DEPTH_16BIT: + depth = 16; + break; + case VIDEO_DEPTH_32BIT: + depth = 32; + break; + default: + abort(); + } + return depth; +} + +// Map video_mode depth ID to SDL screen depth +static int sdl_depth_of_video_depth(int video_depth) +{ + return (video_depth <= VIDEO_DEPTH_8BIT) ? 8 : mac_depth_of_video_depth(video_depth); +} + +// Get screen dimensions +static void sdl_display_dimensions(int &width, int &height) +{ + SDL_DisplayMode desktop_mode; + const int display_index = 0; // TODO: try supporting multiple displays + if (SDL_GetDesktopDisplayMode(display_index, &desktop_mode) != 0) { + // TODO: report a warning, here? + width = height = 0; + return; + } + width = desktop_mode.w; + height = desktop_mode.h; +} + +static inline int sdl_display_width(void) +{ + int width, height; + sdl_display_dimensions(width, height); + return width; +} + +static inline int sdl_display_height(void) +{ + int width, height; + sdl_display_dimensions(width, height); + return height; +} + +// Check wether specified mode is available +static bool has_mode(int type, int width, int height, int depth) +{ +#ifdef SHEEPSHAVER + // Filter out Classic resolutions + if (width == 512 && height == 384) + return false; +#endif + + // Filter out out-of-bounds resolutions + if (width > sdl_display_width() || height > sdl_display_height()) + return false; + + // Whatever size it is, beyond what we've checked, we'll scale to/from as appropriate. + return true; +} + +// Add mode to list of supported modes +static void add_mode(int type, int width, int height, int resolution_id, int bytes_per_row, int depth) +{ + // Filter out unsupported modes + if (!has_mode(type, width, height, depth)) + return; + + // Fill in VideoMode entry + VIDEO_MODE mode; +#ifdef SHEEPSHAVER + resolution_id = find_apple_resolution(width, height); + mode.viType = type; +#endif + VIDEO_MODE_X = width; + VIDEO_MODE_Y = height; + VIDEO_MODE_RESOLUTION = resolution_id; + VIDEO_MODE_ROW_BYTES = bytes_per_row; + VIDEO_MODE_DEPTH = (video_depth)depth; + VideoModes.push_back(mode); +} + +// Set Mac frame layout and base address (uses the_buffer/MacFrameBaseMac) +static void set_mac_frame_buffer(SDL_monitor_desc &monitor, int depth, bool native_byte_order) +{ +#if !REAL_ADDRESSING && !DIRECT_ADDRESSING + int layout = FLAYOUT_DIRECT; + if (depth == VIDEO_DEPTH_16BIT) + layout = (screen_depth == 15) ? FLAYOUT_HOST_555 : FLAYOUT_HOST_565; + else if (depth == VIDEO_DEPTH_32BIT) + layout = (screen_depth == 24) ? FLAYOUT_HOST_888 : FLAYOUT_DIRECT; + if (native_byte_order) + MacFrameLayout = layout; + else + MacFrameLayout = FLAYOUT_DIRECT; + monitor.set_mac_frame_base(MacFrameBaseMac); + + // Set variables used by UAE memory banking + const VIDEO_MODE &mode = monitor.get_current_mode(); + MacFrameBaseHost = the_buffer; + MacFrameSize = VIDEO_MODE_ROW_BYTES * VIDEO_MODE_Y; + InitFrameBufferMapping(); +#else + monitor.set_mac_frame_base(Host2MacAddr(the_buffer)); +#endif + D(bug("monitor.mac_frame_base = %08x\n", monitor.get_mac_frame_base())); +} + +// Set window name and class +static void set_window_name(int name) +{ + if (!sdl_window) { + return; + } + const char *str = GetString(name); + SDL_SetWindowTitle(sdl_window, str); +} + +// Set mouse grab mode +static void set_grab_mode(bool grab) +{ + if (!sdl_window) { + return; + } + SDL_SetWindowGrab(sdl_window, grab ? SDL_TRUE : SDL_FALSE); +} + +// Migrate preferences items (XXX to be handled in MigratePrefs()) +static void migrate_screen_prefs(void) +{ +#ifdef SHEEPSHAVER + // Look-up priorities are: "screen", "screenmodes", "windowmodes". + if (PrefsFindString("screen")) + return; + + uint32 window_modes = PrefsFindInt32("windowmodes"); + uint32 screen_modes = PrefsFindInt32("screenmodes"); + int width = 0, height = 0; + if (screen_modes) { + static const struct { + int id; + int width; + int height; + } + modes[] = { + { 1, 640, 480 }, + { 2, 800, 600 }, + { 4, 1024, 768 }, + { 64, 1152, 768 }, + { 8, 1152, 900 }, + { 16, 1280, 1024 }, + { 32, 1600, 1200 }, + { 0, } + }; + for (int i = 0; modes[i].id != 0; i++) { + if (screen_modes & modes[i].id) { + if (width < modes[i].width && height < modes[i].height) { + width = modes[i].width; + height = modes[i].height; + } + } + } + } else { + if (window_modes & 1) + width = 640, height = 480; + if (window_modes & 2) + width = 800, height = 600; + } + if (width && height) { + char str[32]; + sprintf(str, "%s/%d/%d", screen_modes ? "dga" : "win", width, height); + PrefsReplaceString("screen", str); + } +#endif +} + + +/* + * Display "driver" classes + */ + +class driver_base { +public: + driver_base(SDL_monitor_desc &m); + ~driver_base(); + + void init(); // One-time init + void set_video_mode(int flags); + void adapt_to_video_mode(); + + void update_palette(void); + void suspend(void) {} + void resume(void) {} + void toggle_mouse_grab(void); + void mouse_moved(int x, int y) { ADBMouseMoved(x, y); } + + void disable_mouse_accel(void); + void restore_mouse_accel(void); + + void grab_mouse(void); + void ungrab_mouse(void); + +public: + SDL_monitor_desc &monitor; // Associated video monitor + const VIDEO_MODE &mode; // Video mode handled by the driver + + bool init_ok; // Initialization succeeded (we can't use exceptions because of -fomit-frame-pointer) + SDL_Surface *s; // The surface we draw into +}; + +#ifdef ENABLE_VOSF +static void update_display_window_vosf(driver_base *drv); +#endif +static void update_display_static(driver_base *drv); + +static driver_base *drv = NULL; // Pointer to currently used driver object + +#ifdef ENABLE_VOSF +# include "video_vosf.h" +#endif + +driver_base::driver_base(SDL_monitor_desc &m) + : monitor(m), mode(m.get_current_mode()), init_ok(false), s(NULL) +{ + the_buffer = NULL; + the_buffer_copy = NULL; +} + +static void delete_sdl_video_surfaces() +{ + if (sdl_texture) { + SDL_DestroyTexture(sdl_texture); + sdl_texture = NULL; + } + + if (host_surface) { + if (host_surface == guest_surface) { + guest_surface = NULL; + } + + SDL_FreeSurface(host_surface); + host_surface = NULL; + } + + if (guest_surface) { + SDL_FreeSurface(guest_surface); + guest_surface = NULL; + } +} + +static void delete_sdl_video_window() +{ + if (sdl_renderer) { + SDL_DestroyRenderer(sdl_renderer); + sdl_renderer = NULL; + } + + if (sdl_window) { + SDL_DestroyWindow(sdl_window); + sdl_window = NULL; + } +} + +static void shutdown_sdl_video() +{ + delete_sdl_video_surfaces(); + delete_sdl_video_window(); +} + +static SDL_Surface * init_sdl_video(int width, int height, int bpp, Uint32 flags) +{ + if (guest_surface) { + delete_sdl_video_surfaces(); + } + + int window_width = width; + int window_height = height; + Uint32 window_flags = 0; + const int window_flags_to_monitor = SDL_WINDOW_FULLSCREEN; + + if (flags & SDL_WINDOW_FULLSCREEN) { + SDL_DisplayMode desktop_mode; + if (SDL_GetDesktopDisplayMode(0, &desktop_mode) != 0) { + shutdown_sdl_video(); + return NULL; + } + window_flags |= SDL_WINDOW_FULLSCREEN_DESKTOP; + window_width = desktop_mode.w; + window_height = desktop_mode.h; + } + + if (sdl_window) { + int old_window_width, old_window_height, old_window_flags; + SDL_GetWindowSize(sdl_window, &old_window_width, &old_window_height); + old_window_flags = SDL_GetWindowFlags(sdl_window); + if (old_window_width != window_width || + old_window_height != window_height || + (old_window_flags & window_flags_to_monitor) != (window_flags & window_flags_to_monitor)) + { + delete_sdl_video_window(); + } + } + + // Apply anti-aliasing, if and when appropriate (usually in fullscreen) + SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear"); + + // Always use a resize-able window. This helps allow SDL to manage + // transitions involving fullscreen to or from windowed-mode. + window_flags |= SDL_WINDOW_RESIZABLE; + + if (!sdl_window) { + sdl_window = SDL_CreateWindow( + "Basilisk II", + SDL_WINDOWPOS_UNDEFINED, + SDL_WINDOWPOS_UNDEFINED, + window_width, + window_height, + window_flags); + if (!sdl_window) { + shutdown_sdl_video(); + return NULL; + } + } + + // Some SDL events (regarding some native-window events), need processing + // as they are generated. SDL2 has a facility, SDL_AddEventWatch(), which + // allows events to be processed as they are generated. + if (!did_add_event_watch) { + SDL_AddEventWatch(&on_sdl_event_generated, NULL); + did_add_event_watch = true; + } + + if (!sdl_renderer) { + sdl_renderer = SDL_CreateRenderer(sdl_window, -1, SDL_RENDERER_ACCELERATED); + if (!sdl_renderer) { + shutdown_sdl_video(); + return NULL; + } + sdl_renderer_thread_id = SDL_ThreadID(); + } + + SDL_assert(sdl_texture == NULL); + sdl_texture = SDL_CreateTexture(sdl_renderer, SDL_PIXELFORMAT_RGB888, SDL_TEXTUREACCESS_STREAMING, width, height); + if (!sdl_texture) { + shutdown_sdl_video(); + return NULL; + } + + SDL_assert(guest_surface == NULL); + SDL_assert(host_surface == NULL); + switch (bpp) { + case 8: + guest_surface = SDL_CreateRGBSurface(0, width, height, 8, 0, 0, 0, 0); + break; + case 16: + guest_surface = SDL_CreateRGBSurface(0, width, height, 16, 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000); + break; + case 32: + guest_surface = SDL_CreateRGBSurface(0, width, height, 32, 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000); + host_surface = guest_surface; + break; + default: + printf("WARNING: An unsupported bpp of %d was used\n", bpp); + break; + } + if (!guest_surface) { + shutdown_sdl_video(); + return NULL; + } + + if (!host_surface) { + Uint32 texture_format; + if (SDL_QueryTexture(sdl_texture, &texture_format, NULL, NULL, NULL) != 0) { + printf("ERROR: Unable to get the SDL texture's pixel format: %s\n", SDL_GetError()); + shutdown_sdl_video(); + return NULL; + } + + int bpp; + Uint32 Rmask, Gmask, Bmask, Amask; + if (!SDL_PixelFormatEnumToMasks(texture_format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) { + printf("ERROR: Unable to determine format for host SDL_surface: %s\n", SDL_GetError()); + shutdown_sdl_video(); + return NULL; + } + + host_surface = SDL_CreateRGBSurface(0, width, height, bpp, Rmask, Gmask, Bmask, Amask); + if (!host_surface) { + printf("ERROR: Unable to create host SDL_surface: %s\n", SDL_GetError()); + shutdown_sdl_video(); + return NULL; + } + } + + if (SDL_RenderSetLogicalSize(sdl_renderer, width, height) != 0) { + printf("ERROR: Unable to set SDL rendeer's logical size (to %dx%d): %s\n", + width, height, SDL_GetError()); + shutdown_sdl_video(); + return NULL; + } + + return guest_surface; +} + +static int present_sdl_video() +{ + if (!sdl_renderer || !sdl_texture || !guest_surface) { + printf("WARNING: A video mode does not appear to have been set.\n"); + return -1; + } + + // Some systems, such as D3D9, can fail if and when they are used across + // certain operations. To address this, only utilize SDL_Renderer in a + // single thread, preferably the main thread. + // + // This was added as part of a fix for https://github.com/DavidLudwig/macemu/issues/21 + // "BasiliskII, Win32: resizing a window does not stretch " + SDL_assert(SDL_ThreadID() == sdl_renderer_thread_id); + + // Make sure the display's internal (to SDL, possibly the OS) buffer gets + // cleared. Not doing so can, if and when letterboxing is applied (whereby + // colored bars are drawn on the screen's sides to help with aspect-ratio + // correction), the colored bars can be an unknown color. + SDL_SetRenderDrawColor(sdl_renderer, 0, 0, 0, 0); // Use black + SDL_RenderClear(sdl_renderer); // Clear the display + + if (host_surface != guest_surface && + host_surface != NULL && + guest_surface != NULL) + { + SDL_Rect destRect = {0, 0, host_surface->w, host_surface->h}; + if (SDL_BlitSurface(guest_surface, NULL, host_surface, &destRect) != 0) { + return -1; + } + } + + if (SDL_UpdateTexture(sdl_texture, NULL, host_surface->pixels, host_surface->pitch) != 0) { + return -1; + } + + SDL_Rect src_rect = {0, 0, host_surface->w, host_surface->h}; + if (SDL_RenderCopy(sdl_renderer, sdl_texture, &src_rect, NULL) != 0) { + return -1; + } + + SDL_RenderPresent(sdl_renderer); + + return 0; +} + +static int update_sdl_video() +{ + // HACK, dludwig@pobox.com: for now, just update the whole screen, via + // VideoInterrupt(), which gets called on the main thread. + // + // TODO: make sure SDL_Renderer resources get displayed, if and when + // MacsBug is running (and VideoInterrupt() might not get called) + // + // TODO: cache rects to update, then use rects in present_sdl_video() + return 0; +} + +static int update_sdl_video(SDL_Surface *s, int x, int y, int w, int h) +{ + // HACK, dludwig@pobox.com: for now, just update the whole screen, via + // VideoInterrupt(), which gets called on the main thread. + // + // TODO: make sure SDL_Renderer resources get displayed, if and when + // MacsBug is running (and VideoInterrupt() might not get called) + // + // TODO: cache rects to update, then use rects in present_sdl_video() + return 0; +} + +void driver_base::set_video_mode(int flags) +{ + int depth = sdl_depth_of_video_depth(VIDEO_MODE_DEPTH); + if ((s = init_sdl_video(VIDEO_MODE_X, VIDEO_MODE_Y, depth, flags)) == NULL) + return; +#ifdef ENABLE_VOSF + the_host_buffer = (uint8 *)s->pixels; +#endif +} + +void driver_base::init() +{ + set_video_mode(display_type == DISPLAY_SCREEN ? SDL_WINDOW_FULLSCREEN : 0); + int aligned_height = (VIDEO_MODE_Y + 15) & ~15; + +#ifdef ENABLE_VOSF + use_vosf = true; + // Allocate memory for frame buffer (SIZE is extended to page-boundary) + the_buffer_size = page_extend((aligned_height + 2) * s->pitch); + the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size); + the_buffer_copy = (uint8 *)malloc(the_buffer_size); + D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer)); + + // Check whether we can initialize the VOSF subsystem and it's profitable + if (!video_vosf_init(monitor)) { + WarningAlert(GetString(STR_VOSF_INIT_ERR)); + use_vosf = false; + } + else if (!video_vosf_profitable()) { + video_vosf_exit(); + printf("VOSF acceleration is not profitable on this platform, disabling it\n"); + use_vosf = false; + } + if (!use_vosf) { + free(the_buffer_copy); + vm_release(the_buffer, the_buffer_size); + the_host_buffer = NULL; + } +#endif + if (!use_vosf) { + // Allocate memory for frame buffer + the_buffer_size = (aligned_height + 2) * s->pitch; + the_buffer_copy = (uint8 *)calloc(1, the_buffer_size); + the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size); + D(bug("the_buffer = %p, the_buffer_copy = %p\n", the_buffer, the_buffer_copy)); + } + + // Set frame buffer base + set_mac_frame_buffer(monitor, VIDEO_MODE_DEPTH, true); + + adapt_to_video_mode(); +} + +void driver_base::adapt_to_video_mode() { + ADBSetRelMouseMode(mouse_grabbed); + + // Init blitting routines + SDL_PixelFormat *f = s->format; + VisualFormat visualFormat; + visualFormat.depth = sdl_depth_of_video_depth(VIDEO_MODE_DEPTH); + visualFormat.Rmask = f->Rmask; + visualFormat.Gmask = f->Gmask; + visualFormat.Bmask = f->Bmask; + Screen_blitter_init(visualFormat, true, mac_depth_of_video_depth(VIDEO_MODE_DEPTH)); + + // Load gray ramp to 8->16/32 expand map + if (!IsDirectMode(mode)) + for (int i=0; i<256; i++) + ExpandMap[i] = SDL_MapRGB(f, i, i, i); + + + bool hardware_cursor = false; +#ifdef SHEEPSHAVER + hardware_cursor = video_can_change_cursor(); + if (hardware_cursor) { + // Create cursor + if ((sdl_cursor = SDL_CreateCursor(MacCursor + 4, MacCursor + 36, 16, 16, 0, 0)) != NULL) { + SDL_SetCursor(sdl_cursor); + } + } + // Tell the video driver there's a change in cursor type + if (private_data) + private_data->cursorHardware = hardware_cursor; +#endif + // Hide cursor + SDL_ShowCursor(hardware_cursor); + + // Set window name/class + set_window_name(mouse_grabbed ? STR_WINDOW_TITLE_GRABBED : STR_WINDOW_TITLE); + + // Everything went well + init_ok = true; +} + +driver_base::~driver_base() +{ + ungrab_mouse(); + restore_mouse_accel(); + + // HACK: Just delete instances of SDL_Surface and SDL_Texture, rather + // than also the SDL_Window and SDL_Renderer. This fixes a bug whereby + // OSX hosts, when in fullscreen, will, on a guest OS resolution change, + // do a series of switches (using OSX's "Spaces" feature) to and from + // the Basilisk II desktop, + delete_sdl_video_surfaces(); // This deletes instances of SDL_Surface and SDL_Texture + //shutdown_sdl_video(); // This deletes SDL_Window, SDL_Renderer, in addition to + // instances of SDL_Surface and SDL_Texture. + + // the_buffer shall always be mapped through vm_acquire_framebuffer() + if (the_buffer != VM_MAP_FAILED) { + D(bug(" releasing the_buffer at %p (%d bytes)\n", the_buffer, the_buffer_size)); + vm_release_framebuffer(the_buffer, the_buffer_size); + the_buffer = NULL; + } + + // Free frame buffer(s) + if (!use_vosf) { + if (the_buffer_copy) { + free(the_buffer_copy); + the_buffer_copy = NULL; + } + } +#ifdef ENABLE_VOSF + else { + if (the_buffer_copy) { + D(bug(" freeing the_buffer_copy at %p\n", the_buffer_copy)); + free(the_buffer_copy); + the_buffer_copy = NULL; + } + + // Deinitialize VOSF + video_vosf_exit(); + } +#endif + + SDL_ShowCursor(1); +} + +// Palette has changed +void driver_base::update_palette(void) +{ + const VIDEO_MODE &mode = monitor.get_current_mode(); + + if ((int)VIDEO_MODE_DEPTH <= VIDEO_DEPTH_8BIT) { + SDL_SetSurfacePalette(s, sdl_palette); + } +} + +// Disable mouse acceleration +void driver_base::disable_mouse_accel(void) +{ +} + +// Restore mouse acceleration to original value +void driver_base::restore_mouse_accel(void) +{ +} + +// Toggle mouse grab +void driver_base::toggle_mouse_grab(void) +{ + if (mouse_grabbed) + ungrab_mouse(); + else + grab_mouse(); +} + +static void update_mouse_grab() +{ + if (mouse_grabbed) { + SDL_SetRelativeMouseMode(SDL_TRUE); + } else { + SDL_SetRelativeMouseMode(SDL_FALSE); + } +} + +// Grab mouse, switch to relative mouse mode +void driver_base::grab_mouse(void) +{ + if (!mouse_grabbed) { + mouse_grabbed = true; + update_mouse_grab(); + set_window_name(STR_WINDOW_TITLE_GRABBED); + disable_mouse_accel(); + ADBSetRelMouseMode(true); + } +} + +// Ungrab mouse, switch to absolute mouse mode +void driver_base::ungrab_mouse(void) +{ + if (mouse_grabbed) { + mouse_grabbed = false; + update_mouse_grab(); + set_window_name(STR_WINDOW_TITLE); + restore_mouse_accel(); + ADBSetRelMouseMode(false); + } +} + +/* + * Initialization + */ + +// Init keycode translation table +static void keycode_init(void) +{ + bool use_kc = PrefsFindBool("keycodes"); + if (use_kc) { + + // Get keycode file path from preferences + const char *kc_path = PrefsFindString("keycodefile"); + + // Open keycode table + FILE *f = fopen(kc_path ? kc_path : KEYCODE_FILE_NAME, "r"); + if (f == NULL) { + char str[256]; + snprintf(str, sizeof(str), GetString(STR_KEYCODE_FILE_WARN), kc_path ? kc_path : KEYCODE_FILE_NAME, strerror(errno)); + WarningAlert(str); + return; + } + + // Default translation table + for (int i=0; i<256; i++) + keycode_table[i] = -1; + + // Search for server vendor string, then read keycodes + const char * video_driver = SDL_GetCurrentVideoDriver(); + bool video_driver_found = false; + char line[256]; + int n_keys = 0; + while (fgets(line, sizeof(line) - 1, f)) { + // Read line + int len = strlen(line); + if (len == 0) + continue; + line[len-1] = 0; + + // Comments begin with "#" or ";" + if (line[0] == '#' || line[0] == ';' || line[0] == 0) + continue; + + if (video_driver_found) { + // Skip aliases as long as we have read keycodes yet + // Otherwise, it's another mapping and we have to stop + static const char sdl_str[] = "sdl"; + if (strncmp(line, sdl_str, sizeof(sdl_str) - 1) == 0 && n_keys == 0) + continue; + + // Read keycode + int x_code, mac_code; + if (sscanf(line, "%d %d", &x_code, &mac_code) == 2) + keycode_table[x_code & 0xff] = mac_code, n_keys++; + else + break; + } else { + // Search for SDL video driver string + static const char sdl_str[] = "sdl"; + if (strncmp(line, sdl_str, sizeof(sdl_str) - 1) == 0) { + char *p = line + sizeof(sdl_str); + if (video_driver && strstr(video_driver, p) == video_driver) + video_driver_found = true; + } + } + } + + // Keycode file completely read + fclose(f); + use_keycodes = video_driver_found; + + // Vendor not found? Then display warning + if (!video_driver_found) { + char str[256]; + snprintf(str, sizeof(str), GetString(STR_KEYCODE_VENDOR_WARN), video_driver ? video_driver : "", kc_path ? kc_path : KEYCODE_FILE_NAME); + WarningAlert(str); + return; + } + + D(bug("Using SDL/%s keycodes table, %d key mappings\n", video_driver ? video_driver : "", n_keys)); + } +} + +// Open display for current mode +bool SDL_monitor_desc::video_open(void) +{ + D(bug("video_open()\n")); +#if DEBUG + const VIDEO_MODE &mode = get_current_mode(); + D(bug("Current video mode:\n")); + D(bug(" %dx%d (ID %02x), %d bpp\n", VIDEO_MODE_X, VIDEO_MODE_Y, VIDEO_MODE_RESOLUTION, 1 << (VIDEO_MODE_DEPTH & 0x0f))); +#endif + + // Create display driver object of requested type + drv = new(std::nothrow) driver_base(*this); + if (drv == NULL) + return false; + drv->init(); + if (!drv->init_ok) { + delete drv; + drv = NULL; + return false; + } + +#ifdef WIN32 + // Chain in a new message handler for WM_DEVICECHANGE + HWND the_window = GetMainWindowHandle(); + sdl_window_proc = (WNDPROC)GetWindowLongPtr(the_window, GWLP_WNDPROC); + SetWindowLongPtr(the_window, GWLP_WNDPROC, (LONG_PTR)windows_message_handler); +#endif + + // Initialize VideoRefresh function + VideoRefreshInit(); + + // Lock down frame buffer + LOCK_FRAME_BUFFER; + + // Start redraw/input thread +#ifndef USE_CPU_EMUL_SERVICES + redraw_thread_cancel = false; + redraw_thread_active = ((redraw_thread = SDL_CreateThread(redraw_func, "Redraw Thread", NULL)) != NULL); + if (!redraw_thread_active) { + printf("FATAL: cannot create redraw thread\n"); + return false; + } +#else + redraw_thread_active = true; +#endif + return true; +} + +#ifdef SHEEPSHAVER +bool VideoInit(void) +{ + const bool classic = false; +#else +bool VideoInit(bool classic) +{ +#endif + classic_mode = classic; + +#ifdef ENABLE_VOSF + // Zero the mainBuffer structure + mainBuffer.dirtyPages = NULL; + mainBuffer.pageInfo = NULL; +#endif + + // Create Mutexes + if ((sdl_events_lock = SDL_CreateMutex()) == NULL) + return false; + if ((sdl_palette_lock = SDL_CreateMutex()) == NULL) + return false; + if ((frame_buffer_lock = SDL_CreateMutex()) == NULL) + return false; + + // Init keycode translation + keycode_init(); + + // Read prefs + frame_skip = PrefsFindInt32("frameskip"); + mouse_wheel_mode = PrefsFindInt32("mousewheelmode"); + mouse_wheel_lines = PrefsFindInt32("mousewheellines"); + + // Get screen mode from preferences + migrate_screen_prefs(); + const char *mode_str = NULL; + if (classic_mode) + mode_str = "win/512/342"; + else + mode_str = PrefsFindString("screen"); + + // Determine display type and default dimensions + int default_width, default_height; + if (classic) { + default_width = 512; + default_height = 384; + } + else { + default_width = 640; + default_height = 480; + } + display_type = DISPLAY_WINDOW; + if (mode_str) { + if (sscanf(mode_str, "win/%d/%d", &default_width, &default_height) == 2) + display_type = DISPLAY_WINDOW; + else if (sscanf(mode_str, "dga/%d/%d", &default_width, &default_height) == 2) + display_type = DISPLAY_SCREEN; + } + if (default_width <= 0) + default_width = sdl_display_width(); + else if (default_width > sdl_display_width()) + default_width = sdl_display_width(); + if (default_height <= 0) + default_height = sdl_display_height(); + else if (default_height > sdl_display_height()) + default_height = sdl_display_height(); + + // Mac screen depth follows X depth + screen_depth = 32; + SDL_DisplayMode desktop_mode; + if (SDL_GetDesktopDisplayMode(0, &desktop_mode) == 0) { + screen_depth = SDL_BITSPERPIXEL(desktop_mode.format); + } + int default_depth; + switch (screen_depth) { + case 8: + default_depth = VIDEO_DEPTH_8BIT; + break; + case 15: case 16: + default_depth = VIDEO_DEPTH_16BIT; + break; + case 24: case 32: + default_depth = VIDEO_DEPTH_32BIT; + break; + default: + default_depth = VIDEO_DEPTH_1BIT; + break; + } + + // Initialize list of video modes to try + struct { + int w; + int h; + int resolution_id; + } + video_modes[] = { + { -1, -1, 0x80 }, + { 512, 384, 0x80 }, + { 640, 480, 0x81 }, + { 800, 600, 0x82 }, + { 1024, 768, 0x83 }, + { 1152, 870, 0x84 }, + { 1280, 1024, 0x85 }, + { 1600, 1200, 0x86 }, + { 0, } + }; + video_modes[0].w = default_width; + video_modes[0].h = default_height; + + // Construct list of supported modes + if (display_type == DISPLAY_WINDOW) { + if (classic) + add_mode(display_type, 512, 342, 0x80, 64, VIDEO_DEPTH_1BIT); + else { + for (int i = 0; video_modes[i].w != 0; i++) { + const int w = video_modes[i].w; + const int h = video_modes[i].h; + if (i > 0 && (w >= default_width || h >= default_height)) + continue; + for (int d = VIDEO_DEPTH_1BIT; d <= default_depth; d++) + add_mode(display_type, w, h, video_modes[i].resolution_id, TrivialBytesPerRow(w, (video_depth)d), d); + } + } + } else if (display_type == DISPLAY_SCREEN) { + for (int i = 0; video_modes[i].w != 0; i++) { + const int w = video_modes[i].w; + const int h = video_modes[i].h; + if (i > 0 && (w >= default_width || h >= default_height)) + continue; + for (int d = VIDEO_DEPTH_1BIT; d <= default_depth; d++) + add_mode(display_type, w, h, video_modes[i].resolution_id, TrivialBytesPerRow(w, (video_depth)d), d); + } + } + + if (VideoModes.empty()) { + ErrorAlert(STR_NO_XVISUAL_ERR); + return false; + } + + // Find requested default mode with specified dimensions + uint32 default_id; + std::vector::const_iterator i, end = VideoModes.end(); + for (i = VideoModes.begin(); i != end; ++i) { + const VIDEO_MODE & mode = (*i); + if (VIDEO_MODE_X == default_width && VIDEO_MODE_Y == default_height && VIDEO_MODE_DEPTH == default_depth) { + default_id = VIDEO_MODE_RESOLUTION; +#ifdef SHEEPSHAVER + std::vector::const_iterator begin = VideoModes.begin(); + cur_mode = distance(begin, i); +#endif + break; + } + } + if (i == end) { // not found, use first available mode + const VIDEO_MODE & mode = VideoModes[0]; + default_depth = VIDEO_MODE_DEPTH; + default_id = VIDEO_MODE_RESOLUTION; +#ifdef SHEEPSHAVER + cur_mode = 0; +#endif + } + +#ifdef SHEEPSHAVER + for (int i = 0; i < VideoModes.size(); i++) + VModes[i] = VideoModes[i]; + VideoInfo *p = &VModes[VideoModes.size()]; + p->viType = DIS_INVALID; // End marker + p->viRowBytes = 0; + p->viXsize = p->viYsize = 0; + p->viAppleMode = 0; + p->viAppleID = 0; +#endif + +#if DEBUG + D(bug("Available video modes:\n")); + for (i = VideoModes.begin(); i != end; ++i) { + const VIDEO_MODE & mode = (*i); + int bits = 1 << VIDEO_MODE_DEPTH; + if (bits == 16) + bits = 15; + else if (bits == 32) + bits = 24; + D(bug(" %dx%d (ID %02x), %d colors\n", VIDEO_MODE_X, VIDEO_MODE_Y, VIDEO_MODE_RESOLUTION, 1 << bits)); + } +#endif + + int color_depth = get_customized_color_depth(default_depth); + + D(bug("Return get_customized_color_depth %d\n", color_depth)); + + // Create SDL_monitor_desc for this (the only) display + SDL_monitor_desc *monitor = new SDL_monitor_desc(VideoModes, (video_depth)color_depth, default_id); + VideoMonitors.push_back(monitor); + + // Open display + return monitor->video_open(); +} + + +/* + * Deinitialization + */ + +// Close display +void SDL_monitor_desc::video_close(void) +{ + D(bug("video_close()\n")); + +#ifdef WIN32 + // Remove message handler for WM_DEVICECHANGE + HWND the_window = GetMainWindowHandle(); + SetWindowLongPtr(the_window, GWLP_WNDPROC, (LONG_PTR)sdl_window_proc); +#endif + + // Stop redraw thread +#ifndef USE_CPU_EMUL_SERVICES + if (redraw_thread_active) { + redraw_thread_cancel = true; + SDL_WaitThread(redraw_thread, NULL); + } +#endif + redraw_thread_active = false; + + // Unlock frame buffer + UNLOCK_FRAME_BUFFER; + D(bug(" frame buffer unlocked\n")); + + // Close display + delete drv; + drv = NULL; +} + +void VideoExit(void) +{ + // Close displays + vector::iterator i, end = VideoMonitors.end(); + for (i = VideoMonitors.begin(); i != end; ++i) + dynamic_cast(*i)->video_close(); + + // Destroy locks + if (frame_buffer_lock) + SDL_DestroyMutex(frame_buffer_lock); + if (sdl_palette_lock) + SDL_DestroyMutex(sdl_palette_lock); + if (sdl_events_lock) + SDL_DestroyMutex(sdl_events_lock); +} + + +/* + * Close down full-screen mode (if bringing up error alerts is unsafe while in full-screen mode) + */ + +void VideoQuitFullScreen(void) +{ + D(bug("VideoQuitFullScreen()\n")); + quit_full_screen = true; +} + +static void do_toggle_fullscreen(void) +{ +#ifndef USE_CPU_EMUL_SERVICES + // pause redraw thread + thread_stop_ack = false; + thread_stop_req = true; + while (!thread_stop_ack) ; +#endif + + // Apply fullscreen + if (sdl_window) { + if (display_type == DISPLAY_SCREEN) { + display_type = DISPLAY_WINDOW; + SDL_SetWindowFullscreen(sdl_window, 0); + } else { + display_type = DISPLAY_SCREEN; + SDL_SetWindowFullscreen(sdl_window, SDL_WINDOW_FULLSCREEN_DESKTOP); + } + } + + // switch modes + drv->adapt_to_video_mode(); + + // reset the palette +#ifdef SHEEPSHAVER + video_set_palette(); +#endif + drv->update_palette(); + + // reset the video refresh handler + VideoRefreshInit(); + + // while SetVideoMode is happening, control key up may be missed + ADBKeyUp(0x36); + + // resume redraw thread + toggle_fullscreen = false; +#ifndef USE_CPU_EMUL_SERVICES + thread_stop_req = false; +#endif +} + +/* + * Mac VBL interrupt + */ + +/* + * Execute video VBL routine + */ + +static bool is_fullscreen(SDL_Window * window) +{ +#ifdef __MACOSX__ + // On OSX, SDL, at least as of 2.0.5 (and possibly beyond), does not always + // report changes to fullscreen via the SDL_WINDOW_FULLSCREEN flag. + // (Example: https://bugzilla.libsdl.org/show_bug.cgi?id=3766 , which + // involves fullscreen/windowed toggles via window-manager UI controls). + // Until it does, or adds a facility to do so, we'll use a platform-specific + // code path to detect fullscreen changes. + extern bool is_fullscreen_osx(SDL_Window * window); + return is_fullscreen_osx(sdl_window); +#else + if (!window) { + return false; + } + const Uint32 sdl_window_flags = SDL_GetWindowFlags(sdl_window); + return (sdl_window_flags & SDL_WINDOW_FULLSCREEN) != 0; +#endif +} + +#ifdef SHEEPSHAVER +void VideoVBL(void) +{ + // Emergency quit requested? Then quit + if (emerg_quit) + QuitEmulator(); + + if (toggle_fullscreen) + do_toggle_fullscreen(); + + present_sdl_video(); + + // Temporarily give up frame buffer lock (this is the point where + // we are suspended when the user presses Ctrl-Tab) + UNLOCK_FRAME_BUFFER; + LOCK_FRAME_BUFFER; + + // Execute video VBL + if (private_data != NULL && private_data->interruptsEnabled) + VSLDoInterruptService(private_data->vslServiceID); +} +#else +void VideoInterrupt(void) +{ + // We must fill in the events queue in the same thread that did call SDL_SetVideoMode() + SDL_PumpEvents(); + + // Emergency quit requested? Then quit + if (emerg_quit) + QuitEmulator(); + + if (toggle_fullscreen) + do_toggle_fullscreen(); + + present_sdl_video(); + + // Temporarily give up frame buffer lock (this is the point where + // we are suspended when the user presses Ctrl-Tab) + UNLOCK_FRAME_BUFFER; + LOCK_FRAME_BUFFER; +} +#endif + + +/* + * Set palette + */ + +#ifdef SHEEPSHAVER +void video_set_palette(void) +{ + monitor_desc * monitor = VideoMonitors[0]; + int n_colors = palette_size(monitor->get_current_mode().viAppleMode); + uint8 pal[256 * 3]; + for (int c = 0; c < n_colors; c++) { + pal[c*3 + 0] = mac_pal[c].red; + pal[c*3 + 1] = mac_pal[c].green; + pal[c*3 + 2] = mac_pal[c].blue; + } + monitor->set_palette(pal, n_colors); +} +#endif + +void SDL_monitor_desc::set_palette(uint8 *pal, int num_in) +{ + const VIDEO_MODE &mode = get_current_mode(); + + // FIXME: how can we handle the gamma ramp? + if ((int)VIDEO_MODE_DEPTH > VIDEO_DEPTH_8BIT) + return; + + LOCK_PALETTE; + + // Convert colors to XColor array + int num_out = 256; + bool stretch = false; + + if (!sdl_palette) { + sdl_palette = SDL_AllocPalette(num_out); + } + + SDL_Color *p = sdl_palette->colors; + for (int i=0; ir = pal[c*3 + 0] * 0x0101; + p->g = pal[c*3 + 1] * 0x0101; + p->b = pal[c*3 + 2] * 0x0101; + p++; + } + + // Recalculate pixel color expansion map + if (!IsDirectMode(mode)) { + for (int i=0; i<256; i++) { + int c = i & (num_in-1); // If there are less than 256 colors, we repeat the first entries (this makes color expansion easier) + ExpandMap[i] = SDL_MapRGB(drv->s->format, pal[c*3+0], pal[c*3+1], pal[c*3+2]); + } + +#ifdef ENABLE_VOSF + if (use_vosf) { + // We have to redraw everything because the interpretation of pixel values changed + LOCK_VOSF; + PFLAG_SET_ALL; + UNLOCK_VOSF; + memset(the_buffer_copy, 0, VIDEO_MODE_ROW_BYTES * VIDEO_MODE_Y); + } +#endif + } + + // Tell redraw thread to change palette + sdl_palette_changed = true; + + UNLOCK_PALETTE; +} + + +/* + * Switch video mode + */ + +#ifdef SHEEPSHAVER +int16 video_mode_change(VidLocals *csSave, uint32 ParamPtr) +{ + /* return if no mode change */ + if ((csSave->saveData == ReadMacInt32(ParamPtr + csData)) && + (csSave->saveMode == ReadMacInt16(ParamPtr + csMode))) return noErr; + + /* first find video mode in table */ + for (int i=0; VModes[i].viType != DIS_INVALID; i++) { + if ((ReadMacInt16(ParamPtr + csMode) == VModes[i].viAppleMode) && + (ReadMacInt32(ParamPtr + csData) == VModes[i].viAppleID)) { + csSave->saveMode = ReadMacInt16(ParamPtr + csMode); + csSave->saveData = ReadMacInt32(ParamPtr + csData); + csSave->savePage = ReadMacInt16(ParamPtr + csPage); + + // Disable interrupts and pause redraw thread + DisableInterrupt(); + thread_stop_ack = false; + thread_stop_req = true; + while (!thread_stop_ack) ; + + cur_mode = i; + monitor_desc *monitor = VideoMonitors[0]; + monitor->switch_to_current_mode(); + + WriteMacInt32(ParamPtr + csBaseAddr, screen_base); + csSave->saveBaseAddr=screen_base; + csSave->saveData=VModes[cur_mode].viAppleID;/* First mode ... */ + csSave->saveMode=VModes[cur_mode].viAppleMode; + + // Enable interrupts and resume redraw thread + thread_stop_req = false; + EnableInterrupt(); + return noErr; + } + } + return paramErr; +} +#endif + +void SDL_monitor_desc::switch_to_current_mode(void) +{ + // Close and reopen display + LOCK_EVENTS; + video_close(); + video_open(); + UNLOCK_EVENTS; + + if (drv == NULL) { + ErrorAlert(STR_OPEN_WINDOW_ERR); + QuitEmulator(); + } +} + + +/* + * Can we set the MacOS cursor image into the window? + */ + +#ifdef SHEEPSHAVER +bool video_can_change_cursor(void) +{ + if (display_type != DISPLAY_WINDOW) + return false; + + return true; +} +#endif + + +/* + * Set cursor image for window + */ + +#ifdef SHEEPSHAVER +void video_set_cursor(void) +{ + // Set new cursor image if it was changed + if (sdl_cursor) { + SDL_FreeCursor(sdl_cursor); + sdl_cursor = SDL_CreateCursor(MacCursor + 4, MacCursor + 36, 16, 16, MacCursor[2], MacCursor[3]); + if (sdl_cursor) { + SDL_ShowCursor(private_data == NULL || private_data->cursorVisible); + SDL_SetCursor(sdl_cursor); + + // XXX Windows apparently needs an extra mouse event to + // make the new cursor image visible. + // On Mac, if mouse is grabbed, SDL_ShowCursor() recenters the + // mouse, we have to put it back. + bool move = false; +#ifdef WIN32 + move = true; +#elif defined(__APPLE__) + move = mouse_grabbed; +#endif + if (move) { + int visible = SDL_ShowCursor(-1); + if (visible) { + int x, y; + SDL_GetMouseState(&x, &y); + printf("WarpMouse to {%d,%d} via video_set_cursor\n", x, y); + SDL_WarpMouseGlobal(x, y); + } + } + } + } +} +#endif + + +/* + * Keyboard-related utilify functions + */ + +static bool is_modifier_key(SDL_KeyboardEvent const & e) +{ + switch (e.keysym.sym) { + case SDLK_NUMLOCKCLEAR: + case SDLK_CAPSLOCK: + case SDLK_SCROLLLOCK: + case SDLK_RSHIFT: + case SDLK_LSHIFT: + case SDLK_RCTRL: + case SDLK_LCTRL: + case SDLK_RALT: + case SDLK_LALT: + case SDLK_RGUI: + case SDLK_LGUI: + case SDLK_MODE: + case SDLK_APPLICATION: + return true; + } + return false; +} + +static bool is_ctrl_down(SDL_Keysym const & ks) +{ + return ctrl_down || (ks.mod & KMOD_CTRL); +} + + +/* + * Translate key event to Mac keycode, returns -1 if no keycode was found + * and -2 if the key was recognized as a hotkey + */ + +static int kc_decode(SDL_Keysym const & ks, bool key_down) +{ + switch (ks.sym) { + case SDLK_a: return 0x00; + case SDLK_b: return 0x0b; + case SDLK_c: return 0x08; + case SDLK_d: return 0x02; + case SDLK_e: return 0x0e; + case SDLK_f: return 0x03; + case SDLK_g: return 0x05; + case SDLK_h: return 0x04; + case SDLK_i: return 0x22; + case SDLK_j: return 0x26; + case SDLK_k: return 0x28; + case SDLK_l: return 0x25; + case SDLK_m: return 0x2e; + case SDLK_n: return 0x2d; + case SDLK_o: return 0x1f; + case SDLK_p: return 0x23; + case SDLK_q: return 0x0c; + case SDLK_r: return 0x0f; + case SDLK_s: return 0x01; + case SDLK_t: return 0x11; + case SDLK_u: return 0x20; + case SDLK_v: return 0x09; + case SDLK_w: return 0x0d; + case SDLK_x: return 0x07; + case SDLK_y: return 0x10; + case SDLK_z: return 0x06; + + case SDLK_1: case SDLK_EXCLAIM: return 0x12; + case SDLK_2: case SDLK_AT: return 0x13; + case SDLK_3: case SDLK_HASH: return 0x14; + case SDLK_4: case SDLK_DOLLAR: return 0x15; + case SDLK_5: return 0x17; + case SDLK_6: return 0x16; + case SDLK_7: return 0x1a; + case SDLK_8: return 0x1c; + case SDLK_9: return 0x19; + case SDLK_0: return 0x1d; + + case SDLK_BACKQUOTE: return 0x0a; + case SDLK_MINUS: case SDLK_UNDERSCORE: return 0x1b; + case SDLK_EQUALS: case SDLK_PLUS: return 0x18; + case SDLK_LEFTBRACKET: return 0x21; + case SDLK_RIGHTBRACKET: return 0x1e; + case SDLK_BACKSLASH: return 0x2a; + case SDLK_SEMICOLON: case SDLK_COLON: return 0x29; + case SDLK_QUOTE: case SDLK_QUOTEDBL: return 0x27; + case SDLK_COMMA: case SDLK_LESS: return 0x2b; + case SDLK_PERIOD: case SDLK_GREATER: return 0x2f; + case SDLK_SLASH: case SDLK_QUESTION: return 0x2c; + + case SDLK_TAB: if (is_ctrl_down(ks)) {if (!key_down) drv->suspend(); return -2;} else return 0x30; + case SDLK_RETURN: if (is_ctrl_down(ks)) {if (!key_down) toggle_fullscreen = true; return -2;} else return 0x24; + case SDLK_SPACE: return 0x31; + case SDLK_BACKSPACE: return 0x33; + + case SDLK_DELETE: return 0x75; + case SDLK_INSERT: return 0x72; + case SDLK_HOME: case SDLK_HELP: return 0x73; + case SDLK_END: return 0x77; + case SDLK_PAGEUP: return 0x74; + case SDLK_PAGEDOWN: return 0x79; + + case SDLK_LCTRL: return 0x36; + case SDLK_RCTRL: return 0x36; + case SDLK_LSHIFT: return 0x38; + case SDLK_RSHIFT: return 0x38; +#if (defined(__APPLE__) && defined(__MACH__)) + case SDLK_LALT: return 0x3a; + case SDLK_RALT: return 0x3a; + case SDLK_LGUI: return 0x37; + case SDLK_RGUI: return 0x37; +#else + case SDLK_LALT: return 0x37; + case SDLK_RALT: return 0x37; + case SDLK_LGUI: return 0x3a; + case SDLK_RGUI: return 0x3a; +#endif + case SDLK_MENU: return 0x32; + case SDLK_CAPSLOCK: return 0x39; + case SDLK_NUMLOCKCLEAR: return 0x47; + + case SDLK_UP: return 0x3e; + case SDLK_DOWN: return 0x3d; + case SDLK_LEFT: return 0x3b; + case SDLK_RIGHT: return 0x3c; + + case SDLK_ESCAPE: if (is_ctrl_down(ks)) {if (!key_down) { quit_full_screen = true; emerg_quit = true; } return -2;} else return 0x35; + + case SDLK_F1: if (is_ctrl_down(ks)) {if (!key_down) SysMountFirstFloppy(); return -2;} else return 0x7a; + case SDLK_F2: return 0x78; + case SDLK_F3: return 0x63; + case SDLK_F4: return 0x76; + case SDLK_F5: return 0x60; + case SDLK_F6: return 0x61; + case SDLK_F7: return 0x62; + case SDLK_F8: return 0x64; + case SDLK_F9: return 0x65; + case SDLK_F10: return 0x6d; + case SDLK_F11: return 0x67; + case SDLK_F12: return 0x6f; + + case SDLK_PRINTSCREEN: return 0x69; + case SDLK_SCROLLLOCK: return 0x6b; + case SDLK_PAUSE: return 0x71; + + case SDLK_KP_0: return 0x52; + case SDLK_KP_1: return 0x53; + case SDLK_KP_2: return 0x54; + case SDLK_KP_3: return 0x55; + case SDLK_KP_4: return 0x56; + case SDLK_KP_5: return 0x57; + case SDLK_KP_6: return 0x58; + case SDLK_KP_7: return 0x59; + case SDLK_KP_8: return 0x5b; + case SDLK_KP_9: return 0x5c; + case SDLK_KP_PERIOD: return 0x41; + case SDLK_KP_PLUS: return 0x45; + case SDLK_KP_MINUS: return 0x4e; + case SDLK_KP_MULTIPLY: return 0x43; + case SDLK_KP_DIVIDE: return 0x4b; + case SDLK_KP_ENTER: return 0x4c; + case SDLK_KP_EQUALS: return 0x51; + } + D(bug("Unhandled SDL keysym: %d\n", ks.sym)); + return -1; +} + +static int event2keycode(SDL_KeyboardEvent const &ev, bool key_down) +{ + return kc_decode(ev.keysym, key_down); +} + +static void force_complete_window_refresh() +{ + if (display_type == DISPLAY_WINDOW) { +#ifdef ENABLE_VOSF + if (use_vosf) { // VOSF refresh + LOCK_VOSF; + PFLAG_SET_ALL; + UNLOCK_VOSF; + } +#endif + // Ensure each byte of the_buffer_copy differs from the_buffer to force a full update. + const VIDEO_MODE &mode = VideoMonitors[0]->get_current_mode(); + const int len = VIDEO_MODE_ROW_BYTES * VIDEO_MODE_Y; + for (int i = 0; i < len; i++) + the_buffer_copy[i] = !the_buffer[i]; + } +} + +/* + * SDL event handling + */ + +// possible return codes for SDL-registered event watches +enum : int { + EVENT_DROP_FROM_QUEUE = 0, + EVENT_ADD_TO_QUEUE = 1 +}; + +// Some events need to be processed in the host-app's main thread, due to +// host-OS requirements. +// +// This function is called by SDL, whenever it generates an SDL_Event. It has +// the ability to process events, and optionally, to prevent them from being +// added to SDL's event queue (and retrieve-able via SDL_PeepEvents(), etc.) +static int SDLCALL on_sdl_event_generated(void *userdata, SDL_Event * event) +{ + switch (event->type) { + case SDL_KEYUP: { + SDL_Keysym const & ks = event->key.keysym; + switch (ks.sym) { + case SDLK_F5: { + if (is_ctrl_down(ks)) { + drv->toggle_mouse_grab(); + return EVENT_DROP_FROM_QUEUE; + } + } break; + } + } break; + + case SDL_WINDOWEVENT: { + switch (event->window.event) { + case SDL_WINDOWEVENT_RESIZED: { + // Handle changes of fullscreen. This is done here, in + // on_sdl_event_generated() and not the main SDL_Event-processing + // loop, in order to perform this change on the main thread. + // (Some os'es UI APIs, such as OSX's NSWindow, are not + // thread-safe.) + const bool is_full = is_fullscreen(sdl_window); + const bool adjust_fullscreen = \ + (display_type == DISPLAY_WINDOW && is_full) || + (display_type == DISPLAY_SCREEN && !is_full); + if (adjust_fullscreen) { + do_toggle_fullscreen(); + +#if __MACOSX__ + // HACK-FIX: on OSX hosts, make sure that the OSX menu + // bar does not show up in fullscreen mode, when the + // cursor is near the top of the screen, lest the + // guest OS' menu bar be obscured. + if (is_full) { + extern void set_menu_bar_visible_osx(bool); + set_menu_bar_visible_osx(false); + } +#endif + } + } break; + } + } break; + } + + return EVENT_ADD_TO_QUEUE; +} + + +static void handle_events(void) +{ + SDL_Event events[10]; + const int n_max_events = sizeof(events) / sizeof(events[0]); + int n_events; + + while ((n_events = SDL_PeepEvents(events, n_max_events, SDL_GETEVENT, SDL_FIRSTEVENT, SDL_LASTEVENT)) > 0) { + for (int i = 0; i < n_events; i++) { + SDL_Event & event = events[i]; + + switch (event.type) { + + // Mouse button + case SDL_MOUSEBUTTONDOWN: { + unsigned int button = event.button.button; + if (button == SDL_BUTTON_LEFT) + ADBMouseDown(0); + else if (button == SDL_BUTTON_RIGHT) + ADBMouseDown(1); + else if (button == SDL_BUTTON_MIDDLE) + ADBMouseDown(2); + else if (button < 6) { // Wheel mouse + if (mouse_wheel_mode == 0) { + int key = (button == 5) ? 0x79 : 0x74; // Page up/down + ADBKeyDown(key); + ADBKeyUp(key); + } else { + int key = (button == 5) ? 0x3d : 0x3e; // Cursor up/down + for(int i=0; imouse_moved(event.motion.xrel, event.motion.yrel); + } else { + drv->mouse_moved(event.motion.x, event.motion.y); + } + break; + + // Keyboard + case SDL_KEYDOWN: { + int code = -1; + if (use_keycodes && !is_modifier_key(event.key)) { + if (event2keycode(event.key, true) != -2) // This is called to process the hotkeys + code = keycode_table[event.key.keysym.scancode & 0xff]; + } else + code = event2keycode(event.key, true); + if (code >= 0) { + if (!emul_suspended) { + if (code == 0x39) { // Caps Lock pressed + if (caps_on) { + ADBKeyUp(code); + caps_on = false; + } else { + ADBKeyDown(code); + caps_on = true; + } + } else + ADBKeyDown(code); + if (code == 0x36) + ctrl_down = true; + } else { + if (code == 0x31) + drv->resume(); // Space wakes us up + } + } + break; + } + case SDL_KEYUP: { + int code = -1; + if (use_keycodes && !is_modifier_key(event.key)) { + if (event2keycode(event.key, false) != -2) // This is called to process the hotkeys + code = keycode_table[event.key.keysym.scancode & 0xff]; + } else + code = event2keycode(event.key, false); + if (code >= 0) { + if (code == 0x39) { // Caps Lock released + if (caps_on) { + ADBKeyUp(code); + caps_on = false; + } else { + ADBKeyDown(code); + caps_on = true; + } + } else + ADBKeyUp(code); + if (code == 0x36) + ctrl_down = false; + } + break; + } + + case SDL_WINDOWEVENT: { + switch (event.window.event) { + // Hidden parts exposed, force complete refresh of window + case SDL_WINDOWEVENT_EXPOSED: + force_complete_window_refresh(); + break; + + // Force a complete window refresh when activating, to avoid redraw artifacts otherwise. + case SDL_WINDOWEVENT_RESTORED: + force_complete_window_refresh(); + break; + + } + break; + } + + // Window "close" widget clicked + case SDL_QUIT: + ADBKeyDown(0x7f); // Power key + ADBKeyUp(0x7f); + break; + } + } + } +} + + +/* + * Window display update + */ + +// Static display update (fixed frame rate, but incremental) +static void update_display_static(driver_base *drv) +{ + // Incremental update code + int wide = 0, high = 0; + uint32 x1, x2, y1, y2; + const VIDEO_MODE &mode = drv->mode; + int bytes_per_row = VIDEO_MODE_ROW_BYTES; + uint8 *p, *p2; + + // Check for first line from top and first line from bottom that have changed + y1 = 0; + for (uint32 j = 0; j < VIDEO_MODE_Y; j++) { + if (memcmp(&the_buffer[j * bytes_per_row], &the_buffer_copy[j * bytes_per_row], bytes_per_row)) { + y1 = j; + break; + } + } + y2 = y1 - 1; + for (uint32 j = VIDEO_MODE_Y; j-- > y1; ) { + if (memcmp(&the_buffer[j * bytes_per_row], &the_buffer_copy[j * bytes_per_row], bytes_per_row)) { + y2 = j; + break; + } + } + high = y2 - y1 + 1; + + // Check for first column from left and first column from right that have changed + if (high) { + if (VIDEO_MODE_DEPTH < VIDEO_DEPTH_8BIT) { + const int src_bytes_per_row = bytes_per_row; + const int dst_bytes_per_row = drv->s->pitch; + const int pixels_per_byte = VIDEO_MODE_X / src_bytes_per_row; + + x1 = VIDEO_MODE_X / pixels_per_byte; + for (uint32 j = y1; j <= y2; j++) { + p = &the_buffer[j * bytes_per_row]; + p2 = &the_buffer_copy[j * bytes_per_row]; + for (uint32 i = 0; i < x1; i++) { + if (*p != *p2) { + x1 = i; + break; + } + p++; p2++; + } + } + x2 = x1; + for (uint32 j = y1; j <= y2; j++) { + p = &the_buffer[j * bytes_per_row]; + p2 = &the_buffer_copy[j * bytes_per_row]; + p += bytes_per_row; + p2 += bytes_per_row; + for (uint32 i = (VIDEO_MODE_X / pixels_per_byte); i > x2; i--) { + p--; p2--; + if (*p != *p2) { + x2 = i; + break; + } + } + } + x1 *= pixels_per_byte; + x2 *= pixels_per_byte; + wide = (x2 - x1 + pixels_per_byte - 1) & -pixels_per_byte; + + // Update copy of the_buffer + if (high && wide) { + + // Lock surface, if required + if (SDL_MUSTLOCK(drv->s)) + SDL_LockSurface(drv->s); + + // Blit to screen surface + int si = y1 * src_bytes_per_row + (x1 / pixels_per_byte); + int di = y1 * dst_bytes_per_row + x1; + for (uint32 j = y1; j <= y2; j++) { + memcpy(the_buffer_copy + si, the_buffer + si, wide / pixels_per_byte); + Screen_blit((uint8 *)drv->s->pixels + di, the_buffer + si, wide / pixels_per_byte); + si += src_bytes_per_row; + di += dst_bytes_per_row; + } + + // Unlock surface, if required + if (SDL_MUSTLOCK(drv->s)) + SDL_UnlockSurface(drv->s); + + // Refresh display + update_sdl_video(drv->s, x1, y1, wide, high); + } + + } else { + const int bytes_per_pixel = VIDEO_MODE_ROW_BYTES / VIDEO_MODE_X; + const int dst_bytes_per_row = drv->s->pitch; + + x1 = VIDEO_MODE_X; + for (uint32 j = y1; j <= y2; j++) { + p = &the_buffer[j * bytes_per_row]; + p2 = &the_buffer_copy[j * bytes_per_row]; + for (uint32 i = 0; i < x1 * bytes_per_pixel; i++) { + if (*p != *p2) { + x1 = i / bytes_per_pixel; + break; + } + p++; p2++; + } + } + x2 = x1; + for (uint32 j = y1; j <= y2; j++) { + p = &the_buffer[j * bytes_per_row]; + p2 = &the_buffer_copy[j * bytes_per_row]; + p += bytes_per_row; + p2 += bytes_per_row; + for (uint32 i = VIDEO_MODE_X * bytes_per_pixel; i > x2 * bytes_per_pixel; i--) { + p--; + p2--; + if (*p != *p2) { + x2 = i / bytes_per_pixel; + break; + } + } + } + wide = x2 - x1; + + // Update copy of the_buffer + if (high && wide) { + + // Lock surface, if required + if (SDL_MUSTLOCK(drv->s)) + SDL_LockSurface(drv->s); + + // Blit to screen surface + for (uint32 j = y1; j <= y2; j++) { + uint32 i = j * bytes_per_row + x1 * bytes_per_pixel; + int dst_i = j * dst_bytes_per_row + x1 * bytes_per_pixel; + memcpy(the_buffer_copy + i, the_buffer + i, bytes_per_pixel * wide); + Screen_blit((uint8 *)drv->s->pixels + dst_i, the_buffer + i, bytes_per_pixel * wide); + } + + // Unlock surface, if required + if (SDL_MUSTLOCK(drv->s)) + SDL_UnlockSurface(drv->s); + + // Refresh display + update_sdl_video(drv->s, x1, y1, wide, high); + } + } + } +} + +// Static display update (fixed frame rate, bounding boxes based) +// XXX use NQD bounding boxes to help detect dirty areas? +static void update_display_static_bbox(driver_base *drv) +{ + const VIDEO_MODE &mode = drv->mode; + + // Allocate bounding boxes for SDL_UpdateRects() + const uint32 N_PIXELS = 64; + const uint32 n_x_boxes = (VIDEO_MODE_X + N_PIXELS - 1) / N_PIXELS; + const uint32 n_y_boxes = (VIDEO_MODE_Y + N_PIXELS - 1) / N_PIXELS; + SDL_Rect *boxes = (SDL_Rect *)alloca(sizeof(SDL_Rect) * n_x_boxes * n_y_boxes); + uint32 nr_boxes = 0; + + // Lock surface, if required + if (SDL_MUSTLOCK(drv->s)) + SDL_LockSurface(drv->s); + + // Update the surface from Mac screen + const uint32 bytes_per_row = VIDEO_MODE_ROW_BYTES; + const uint32 bytes_per_pixel = bytes_per_row / VIDEO_MODE_X; + const uint32 dst_bytes_per_row = drv->s->pitch; + for (uint32 y = 0; y < VIDEO_MODE_Y; y += N_PIXELS) { + uint32 h = N_PIXELS; + if (h > VIDEO_MODE_Y - y) + h = VIDEO_MODE_Y - y; + for (uint32 x = 0; x < VIDEO_MODE_X; x += N_PIXELS) { + uint32 w = N_PIXELS; + if (w > VIDEO_MODE_X - x) + w = VIDEO_MODE_X - x; + const int xs = w * bytes_per_pixel; + const int xb = x * bytes_per_pixel; + bool dirty = false; + for (uint32 j = y; j < (y + h); j++) { + const uint32 yb = j * bytes_per_row; + const uint32 dst_yb = j * dst_bytes_per_row; + if (memcmp(&the_buffer[yb + xb], &the_buffer_copy[yb + xb], xs) != 0) { + memcpy(&the_buffer_copy[yb + xb], &the_buffer[yb + xb], xs); + Screen_blit((uint8 *)drv->s->pixels + dst_yb + xb, the_buffer + yb + xb, xs); + dirty = true; + } + } + if (dirty) { + boxes[nr_boxes].x = x; + boxes[nr_boxes].y = y; + boxes[nr_boxes].w = w; + boxes[nr_boxes].h = h; + nr_boxes++; + } + } + } + + // Unlock surface, if required + if (SDL_MUSTLOCK(drv->s)) + SDL_UnlockSurface(drv->s); + + // Refresh display + if (nr_boxes) + update_sdl_video(); + } + + +// We suggest the compiler to inline the next two functions so that it +// may specialise the code according to the current screen depth and +// display type. A clever compiler would do that job by itself though... + +// NOTE: update_display_vosf is inlined too + +static inline void possibly_quit_dga_mode() +{ + // Quit DGA mode if requested (something terrible has happened and we + // want to give control back to the user) + if (quit_full_screen) { + quit_full_screen = false; + delete drv; + drv = NULL; + } +} + +static inline void possibly_ungrab_mouse() +{ + // Ungrab mouse if requested (something terrible has happened and we + // want to give control back to the user) + if (quit_full_screen) { + quit_full_screen = false; + if (drv) + drv->ungrab_mouse(); + } +} + +static inline void handle_palette_changes(void) +{ + LOCK_PALETTE; + + if (sdl_palette_changed) { + sdl_palette_changed = false; + drv->update_palette(); + } + + UNLOCK_PALETTE; +} + +static void video_refresh_window_static(void); + +static void video_refresh_dga(void) +{ + // Quit DGA mode if requested + possibly_quit_dga_mode(); + video_refresh_window_static(); +} + +#ifdef ENABLE_VOSF +#if REAL_ADDRESSING || DIRECT_ADDRESSING +static void video_refresh_dga_vosf(void) +{ + // Quit DGA mode if requested + possibly_quit_dga_mode(); + + // Update display (VOSF variant) + static uint32 tick_counter = 0; + if (++tick_counter >= frame_skip) { + tick_counter = 0; + if (mainBuffer.dirty) { + LOCK_VOSF; + update_display_dga_vosf(drv); + UNLOCK_VOSF; + } + } +} +#endif + +static void video_refresh_window_vosf(void) +{ + // Ungrab mouse if requested + possibly_ungrab_mouse(); + + // Update display (VOSF variant) + static uint32 tick_counter = 0; + if (++tick_counter >= frame_skip) { + tick_counter = 0; + if (mainBuffer.dirty) { + LOCK_VOSF; + update_display_window_vosf(drv); + UNLOCK_VOSF; + } + } +} +#endif // def ENABLE_VOSF + +static void video_refresh_window_static(void) +{ + // Ungrab mouse if requested + possibly_ungrab_mouse(); + + // Update display (static variant) + static uint32 tick_counter = 0; + if (++tick_counter >= frame_skip) { + tick_counter = 0; + const VIDEO_MODE &mode = drv->mode; + if ((int)VIDEO_MODE_DEPTH >= VIDEO_DEPTH_8BIT) + update_display_static_bbox(drv); + else + update_display_static(drv); + } +} + + +/* + * Thread for screen refresh, input handling etc. + */ + +static void VideoRefreshInit(void) +{ + // TODO: set up specialised 8bpp VideoRefresh handlers ? + if (display_type == DISPLAY_SCREEN) { +#if ENABLE_VOSF && (REAL_ADDRESSING || DIRECT_ADDRESSING) + if (use_vosf) + video_refresh = video_refresh_dga_vosf; + else +#endif + video_refresh = video_refresh_dga; + } + else { +#ifdef ENABLE_VOSF + if (use_vosf) + video_refresh = video_refresh_window_vosf; + else +#endif + video_refresh = video_refresh_window_static; + } +} + +static inline void do_video_refresh(void) +{ + // Handle SDL events + handle_events(); + + // Update display + video_refresh(); + + + // Set new palette if it was changed + handle_palette_changes(); +} + +// This function is called on non-threaded platforms from a timer interrupt +void VideoRefresh(void) +{ + // We need to check redraw_thread_active to inhibit refreshed during + // mode changes on non-threaded platforms + if (!redraw_thread_active) + return; + + // Process pending events and update display + do_video_refresh(); +} + +const int VIDEO_REFRESH_HZ = 60; +const int VIDEO_REFRESH_DELAY = 1000000 / VIDEO_REFRESH_HZ; + +#ifndef USE_CPU_EMUL_SERVICES +static int redraw_func(void *arg) +{ + uint64 start = GetTicks_usec(); + int64 ticks = 0; + uint64 next = GetTicks_usec() + VIDEO_REFRESH_DELAY; + + while (!redraw_thread_cancel) { + + // Wait + next += VIDEO_REFRESH_DELAY; + int32 delay = int32(next - GetTicks_usec()); + if (delay > 0) + Delay_usec(delay); + else if (delay < -VIDEO_REFRESH_DELAY) + next = GetTicks_usec(); + ticks++; + + // Pause if requested (during video mode switches) + if (thread_stop_req) { + thread_stop_ack = true; + continue; + } + + // Process pending events and update display + do_video_refresh(); + } + + uint64 end = GetTicks_usec(); + D(bug("%lld refreshes in %lld usec = %f refreshes/sec\n", ticks, end - start, ticks * 1000000.0 / (end - start))); + return 0; +} +#endif + + +/* + * Record dirty area from NQD + */ + +#ifdef SHEEPSHAVER +void video_set_dirty_area(int x, int y, int w, int h) +{ +#ifdef ENABLE_VOSF + const VIDEO_MODE &mode = drv->mode; + const unsigned screen_width = VIDEO_MODE_X; + const unsigned screen_height = VIDEO_MODE_Y; + const unsigned bytes_per_row = VIDEO_MODE_ROW_BYTES; + + if (use_vosf) { + vosf_set_dirty_area(x, y, w, h, screen_width, screen_height, bytes_per_row); + return; + } +#endif + + // XXX handle dirty bounding boxes for non-VOSF modes +} +#endif