mirror of
https://github.com/kanjitalk755/macemu.git
synced 2024-12-25 02:29:49 +00:00
SDL Video updates:
- Properly handle migration from "screenmodes" and "windowmodes" to "screen" - Fix has_mode() logic to really test for actual mode availability. i.e. no longer start in large screen mode if user specified a max size.
This commit is contained in:
gbeauche
parent
484469962b
commit
5019174a22
@ -286,69 +286,21 @@ static vector<monitor_desc *> VideoMonitors;
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// Find Apple mode matching best specified dimensions
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static int find_apple_resolution(int xsize, int ysize)
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{
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int apple_id;
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if (xsize < 800)
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apple_id = APPLE_640x480;
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else if (xsize < 1024)
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apple_id = APPLE_800x600;
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else if (xsize < 1152)
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apple_id = APPLE_1024x768;
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else if (xsize < 1280) {
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if (ysize < 900)
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apple_id = APPLE_1152x768;
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else
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apple_id = APPLE_1152x900;
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}
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else if (xsize < 1600)
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apple_id = APPLE_1280x1024;
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else
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apple_id = APPLE_1600x1200;
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return apple_id;
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}
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// Set parameters to specified Apple mode
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static void set_apple_resolution(int apple_id, int &xsize, int &ysize)
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{
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switch (apple_id) {
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case APPLE_640x480:
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xsize = 640;
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ysize = 480;
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break;
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case APPLE_800x600:
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xsize = 800;
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ysize = 600;
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break;
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case APPLE_1024x768:
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xsize = 1024;
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ysize = 768;
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break;
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case APPLE_1152x768:
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xsize = 1152;
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ysize = 768;
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break;
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case APPLE_1152x900:
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xsize = 1152;
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ysize = 900;
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break;
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case APPLE_1280x1024:
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xsize = 1280;
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ysize = 1024;
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break;
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case APPLE_1600x1200:
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xsize = 1600;
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ysize = 1200;
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break;
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default:
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abort();
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}
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}
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// Match Apple mode matching best specified dimensions
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static int match_apple_resolution(int &xsize, int &ysize)
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{
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int apple_id = find_apple_resolution(xsize, ysize);
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set_apple_resolution(apple_id, xsize, ysize);
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return apple_id;
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if (xsize == 640 && ysize == 480)
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return APPLE_640x480;
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if (xsize == 800 && ysize == 600)
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return APPLE_800x600;
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if (xsize == 1024 && ysize == 768)
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return APPLE_1024x768;
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if (xsize == 1152 && ysize == 768)
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return APPLE_1152x768;
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if (xsize == 1152 && ysize == 900)
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return APPLE_1152x900;
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if (xsize == 1280 && ysize == 1024)
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return APPLE_1280x1024;
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if (xsize == 1600 && ysize == 1200)
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return APPLE_1600x1200;
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return APPLE_CUSTOM;
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}
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// Display error alert
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@ -455,69 +407,74 @@ static int sdl_depth_of_video_depth(int video_depth)
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return (video_depth <= VIDEO_DEPTH_8BIT) ? 8 : mac_depth_of_video_depth(video_depth);
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}
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// Get screen dimensions
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static void sdl_display_dimensions(int &width, int &height)
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{
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static int max_width, max_height;
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if (max_width == 0 && max_height == 0) {
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max_width = 640 ; max_height = 480;
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SDL_Rect **modes = SDL_ListModes(NULL, SDL_FULLSCREEN | SDL_HWSURFACE);
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if (modes && modes != (SDL_Rect **)-1) {
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// It turns out that on some implementations, and contrary to the documentation,
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// the returned list is not sorted from largest to smallest (e.g. Windows)
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for (int i = 0; modes[i] != NULL; i++) {
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const int w = modes[i]->w;
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const int h = modes[i]->h;
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if (w > max_width && h > max_height) {
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max_width = w;
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max_height = h;
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}
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}
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}
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}
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width = max_width;
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height = max_height;
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}
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static inline int sdl_display_width(void)
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{
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int width, height;
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sdl_display_dimensions(width, height);
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return width;
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}
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static inline int sdl_display_height(void)
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{
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int width, height;
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sdl_display_dimensions(width, height);
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return height;
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}
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// Check wether specified mode is available
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static bool has_mode(int type, int width, int height)
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static bool has_mode(int type, int width, int height, int depth)
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{
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#ifdef SHEEPSHAVER
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// Filter out Classic resolutiosn
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// Filter out Classic resolutions
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if (width == 512 && height == 384)
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return false;
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// "screen" prefs items always succeeds
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if (PrefsFindString("screen"))
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return true;
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// Read window & screen modes prefs
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static uint32 window_modes = 0;
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static uint32 screen_modes = 0;
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if (window_modes == 0 || screen_modes == 0) {
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window_modes = PrefsFindInt32("windowmodes");
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screen_modes = PrefsFindInt32("screenmodes");
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if (window_modes == 0 || screen_modes == 0)
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window_modes |= 3; // Allow at least 640x480 and 800x600 window modes
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}
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int test_modes;
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switch (type) {
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case DISPLAY_WINDOW:
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test_modes = window_modes;
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break;
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case DISPLAY_SCREEN:
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test_modes = screen_modes;
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break;
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default:
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test_modes = 0;
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break;
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}
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int apple_mask;
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switch (find_apple_resolution(width, height)) {
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case APPLE_640x480: apple_mask = 0x01; break;
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case APPLE_800x600: apple_mask = 0x02; break;
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case APPLE_1024x768: apple_mask = 0x04; break;
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case APPLE_1152x768: apple_mask = 0x40; break;
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case APPLE_1152x900: apple_mask = 0x08; break;
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case APPLE_1280x1024: apple_mask = 0x10; break;
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case APPLE_1600x1200: apple_mask = 0x20; break;
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default: apple_mask = 0x00; break;
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}
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return (test_modes & apple_mask);
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#endif
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return true;
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// Filter out out-of-bounds resolutions
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if (width > sdl_display_width() || height > sdl_display_height())
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return false;
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// Rely on SDL capabilities
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return SDL_VideoModeOK(width, height,
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sdl_depth_of_video_depth(depth),
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SDL_HWSURFACE | (type == DISPLAY_SCREEN ? SDL_FULLSCREEN : 0));
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}
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// Add mode to list of supported modes
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static void add_mode(int type, int width, int height, int resolution_id, int bytes_per_row, int depth)
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{
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// Filter out unsupported modes
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if (!has_mode(type, width, height))
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if (!has_mode(type, width, height, depth))
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return;
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// Fill in VideoMode entry
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VIDEO_MODE mode;
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#ifdef SHEEPSHAVER
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// Recalculate dimensions to fit Apple modes
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resolution_id = match_apple_resolution(width, height);
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resolution_id = find_apple_resolution(width, height);
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mode.viType = type;
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#endif
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VIDEO_MODE_X = width;
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@ -528,19 +485,6 @@ static void add_mode(int type, int width, int height, int resolution_id, int byt
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VideoModes.push_back(mode);
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}
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// Add standard list of windowed modes for given color depth
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static void add_window_modes(int depth)
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{
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video_depth vdepth = (video_depth)depth;
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add_mode(DISPLAY_WINDOW, 512, 384, 0x80, TrivialBytesPerRow(512, vdepth), depth);
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add_mode(DISPLAY_WINDOW, 640, 480, 0x81, TrivialBytesPerRow(640, vdepth), depth);
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add_mode(DISPLAY_WINDOW, 800, 600, 0x82, TrivialBytesPerRow(800, vdepth), depth);
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add_mode(DISPLAY_WINDOW, 1024, 768, 0x83, TrivialBytesPerRow(1024, vdepth), depth);
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add_mode(DISPLAY_WINDOW, 1152, 870, 0x84, TrivialBytesPerRow(1152, vdepth), depth);
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add_mode(DISPLAY_WINDOW, 1280, 1024, 0x85, TrivialBytesPerRow(1280, vdepth), depth);
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add_mode(DISPLAY_WINDOW, 1600, 1200, 0x86, TrivialBytesPerRow(1600, vdepth), depth);
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}
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// Set Mac frame layout and base address (uses the_buffer/MacFrameBaseMac)
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static void set_mac_frame_buffer(SDL_monitor_desc &monitor, int depth, bool native_byte_order)
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{
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@ -584,6 +528,55 @@ static SDL_GrabMode set_grab_mode(SDL_GrabMode mode)
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return (vi && vi->wm_available ? SDL_WM_GrabInput(mode) : SDL_GRAB_OFF);
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}
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// Migrate preferences items (XXX to be handled in MigratePrefs())
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static void migrate_screen_prefs(void)
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{
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#ifdef SHEEPSHAVER
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// Look-up priorities are: "screen", "screenmodes", "windowmodes".
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if (PrefsFindString("screen"))
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return;
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uint32 window_modes = PrefsFindInt32("windowmodes");
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uint32 screen_modes = PrefsFindInt32("screenmodes");
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int width = 0, height = 0;
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if (screen_modes) {
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static const struct {
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int id;
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int width;
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int height;
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}
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modes[] = {
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{ 1, 640, 480 },
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{ 2, 800, 600 },
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{ 4, 1024, 768 },
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{ 64, 1152, 768 },
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{ 8, 1152, 900 },
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{ 16, 1280, 1024 },
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{ 32, 1600, 1200 },
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{ 0, }
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};
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for (int i = 0; modes[i].id != 0; i++) {
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if (screen_modes & modes[i].id) {
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if (width < modes[i].width && height < modes[i].height) {
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width = modes[i].width;
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height = modes[i].height;
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}
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}
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}
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} else {
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if (window_modes & 1)
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width = 640, height = 480;
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if (window_modes & 2)
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width = 800, height = 600;
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}
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if (width && height) {
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char str[32];
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sprintf(str, "%s/%d/%d", screen_modes ? "dga" : "win", width, height);
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PrefsReplaceString("screen", str);
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}
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#endif
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}
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/*
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* Display "driver" classes
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@ -1123,6 +1116,7 @@ bool VideoInit(bool classic)
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mouse_wheel_lines = PrefsFindInt32("mousewheellines");
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// Get screen mode from preferences
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migrate_screen_prefs();
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const char *mode_str = NULL;
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if (classic_mode)
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mode_str = "win/512/342";
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@ -1146,28 +1140,14 @@ bool VideoInit(bool classic)
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else if (sscanf(mode_str, "dga/%d/%d", &default_width, &default_height) == 2)
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display_type = DISPLAY_SCREEN;
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}
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int max_width = 640, max_height = 480;
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SDL_Rect **modes = SDL_ListModes(NULL, SDL_FULLSCREEN | SDL_HWSURFACE);
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if (modes && modes != (SDL_Rect **)-1) {
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// It turns out that on some implementations, and contrary to the documentation,
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// the returned list is not sorted from largest to smallest (e.g. Windows)
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for (int i = 0; modes[i] != NULL; i++) {
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const int w = modes[i]->w;
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const int h = modes[i]->h;
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if (w > max_width && h > max_height) {
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max_width = w;
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max_height = h;
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}
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}
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if (default_width > max_width)
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default_width = max_width;
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if (default_height > max_height)
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default_height = max_height;
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}
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if (default_width <= 0)
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default_width = max_width;
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default_width = sdl_display_width();
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else if (default_width > sdl_display_width())
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default_width = sdl_display_width();
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if (default_height <= 0)
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default_height = max_height;
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default_height = sdl_display_height();
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else if (default_height > sdl_display_height())
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default_height = sdl_display_height();
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// Mac screen depth follows X depth
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screen_depth = SDL_GetVideoInfo()->vfmt->BitsPerPixel;
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@ -1187,47 +1167,51 @@ bool VideoInit(bool classic)
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break;
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}
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// Initialize list of video modes to try
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struct {
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int w;
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int h;
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int resolution_id;
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}
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video_modes[] = {
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{ -1, -1, 0x80 },
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{ 512, 384, 0x80 },
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{ 640, 480, 0x81 },
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{ 800, 600, 0x82 },
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{ 1024, 768, 0x83 },
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{ 1152, 870, 0x84 },
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{ 1280, 1024, 0x85 },
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{ 1600, 1200, 0x86 },
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{ 0, }
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};
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video_modes[0].w = default_width;
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video_modes[0].h = default_height;
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// Construct list of supported modes
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if (display_type == DISPLAY_WINDOW) {
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if (classic)
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add_mode(display_type, 512, 342, 0x80, 64, VIDEO_DEPTH_1BIT);
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else {
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for (int d = VIDEO_DEPTH_1BIT; d <= default_depth; d++) {
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int bpp = sdl_depth_of_video_depth(d);
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if (SDL_VideoModeOK(max_width, max_height, bpp, SDL_HWSURFACE))
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add_window_modes(video_depth(d));
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for (int i = 0; video_modes[i].w != 0; i++) {
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const int w = video_modes[i].w;
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const int h = video_modes[i].h;
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if (i > 0 && (w >= default_width || h >= default_height))
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continue;
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for (int d = VIDEO_DEPTH_1BIT; d <= default_depth; d++)
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add_mode(display_type, w, h, video_modes[i].resolution_id, TrivialBytesPerRow(w, (video_depth)d), d);
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}
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}
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} else if (display_type == DISPLAY_SCREEN) {
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struct {
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int w;
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int h;
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int resolution_id;
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}
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video_modes[] = {
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{ -1, -1, 0x80 },
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{ 640, 480, 0x81 },
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{ 800, 600, 0x82 },
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{ 1024, 768, 0x83 },
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{ 1152, 870, 0x84 },
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{ 1280, 1024, 0x85 },
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{ 1600, 1200, 0x86 },
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{ 0, }
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};
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video_modes[0].w = default_width;
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video_modes[0].h = default_height;
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for (int i = 0; video_modes[i].w != 0; i++) {
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const int w = video_modes[i].w;
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const int h = video_modes[i].h;
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if (i > 0 && (w >= default_width || h >= default_height))
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continue;
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if (w == 512 && h == 384)
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continue;
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#ifdef ENABLE_VOSF
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for (int d = VIDEO_DEPTH_1BIT; d <= default_depth; d++) {
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int bpp = sdl_depth_of_video_depth(d);
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if (SDL_VideoModeOK(w, h, bpp, SDL_HWSURFACE | SDL_FULLSCREEN))
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add_mode(display_type, w, h, video_modes[i].resolution_id, TrivialBytesPerRow(w, (video_depth)d), d);
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}
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for (int d = VIDEO_DEPTH_1BIT; d <= default_depth; d++)
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add_mode(display_type, w, h, video_modes[i].resolution_id, TrivialBytesPerRow(w, (video_depth)d), d);
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#else
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add_mode(display_type, w, h, video_modes[i].resolution_id, TrivialBytesPerRow(w, (video_depth)default_depth), default_depth);
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#endif
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