| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997-2011 Sam Lantinga |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| This library 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| Sam Lantinga |
| slouken@libsdl.org |
| */ |
| #include "SDL_config.h" |
| |
| #include "SDL_windowsvideo.h" |
| |
| /* Windows CE compatibility */ |
| #ifndef CDS_FULLSCREEN |
| #define CDS_FULLSCREEN 0 |
| #endif |
| |
| static SDL_bool |
| WIN_GetDisplayMode(LPCTSTR deviceName, DWORD index, SDL_DisplayMode * mode) |
| { |
| SDL_DisplayModeData *data; |
| DEVMODE devmode; |
| #ifndef _WIN32_WCE |
| HDC hdc; |
| #endif |
| |
| devmode.dmSize = sizeof(devmode); |
| devmode.dmDriverExtra = 0; |
| if (!EnumDisplaySettings(deviceName, index, &devmode)) { |
| return SDL_FALSE; |
| } |
| |
| data = (SDL_DisplayModeData *) SDL_malloc(sizeof(*data)); |
| if (!data) { |
| return SDL_FALSE; |
| } |
| data->DeviceMode = devmode; |
| data->DeviceMode.dmFields = |
| (DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY | |
| DM_DISPLAYFLAGS); |
| |
| /* Fill in the mode information */ |
| mode->format = SDL_PIXELFORMAT_UNKNOWN; |
| mode->w = devmode.dmPelsWidth; |
| mode->h = devmode.dmPelsHeight; |
| mode->refresh_rate = devmode.dmDisplayFrequency; |
| mode->driverdata = data; |
| #ifdef _WIN32_WCE |
| /* In WinCE EnumDisplaySettings(ENUM_CURRENT_SETTINGS) doesn't take the user defined orientation |
| into account but GetSystemMetrics does. */ |
| if (index == ENUM_CURRENT_SETTINGS) { |
| mode->w = GetSystemMetrics(SM_CXSCREEN); |
| mode->h = GetSystemMetrics(SM_CYSCREEN); |
| } |
| #endif |
| |
| /* WinCE has no GetDIBits, therefore we can't use it to get the display format */ |
| #ifndef _WIN32_WCE |
| if (index == ENUM_CURRENT_SETTINGS |
| && (hdc = CreateDC(deviceName, NULL, NULL, NULL)) != NULL) { |
| char bmi_data[sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD)]; |
| LPBITMAPINFO bmi; |
| HBITMAP hbm; |
| |
| SDL_zero(bmi_data); |
| bmi = (LPBITMAPINFO) bmi_data; |
| bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); |
| |
| hbm = CreateCompatibleBitmap(hdc, 1, 1); |
| GetDIBits(hdc, hbm, 0, 1, NULL, bmi, DIB_RGB_COLORS); |
| GetDIBits(hdc, hbm, 0, 1, NULL, bmi, DIB_RGB_COLORS); |
| DeleteObject(hbm); |
| DeleteDC(hdc); |
| if (bmi->bmiHeader.biCompression == BI_BITFIELDS) { |
| switch (*(Uint32 *) bmi->bmiColors) { |
| case 0x00FF0000: |
| mode->format = SDL_PIXELFORMAT_RGB888; |
| break; |
| case 0x000000FF: |
| mode->format = SDL_PIXELFORMAT_BGR888; |
| break; |
| case 0xF800: |
| mode->format = SDL_PIXELFORMAT_RGB565; |
| break; |
| case 0x7C00: |
| mode->format = SDL_PIXELFORMAT_RGB555; |
| break; |
| } |
| } else if (bmi->bmiHeader.biBitCount == 8) { |
| mode->format = SDL_PIXELFORMAT_INDEX8; |
| } else if (bmi->bmiHeader.biBitCount == 4) { |
| mode->format = SDL_PIXELFORMAT_INDEX4LSB; |
| } |
| } else |
| #endif /* _WIN32_WCE */ |
| { |
| /* FIXME: Can we tell what this will be? */ |
| if ((devmode.dmFields & DM_BITSPERPEL) == DM_BITSPERPEL) { |
| switch (devmode.dmBitsPerPel) { |
| case 32: |
| mode->format = SDL_PIXELFORMAT_RGB888; |
| break; |
| case 24: |
| mode->format = SDL_PIXELFORMAT_RGB24; |
| break; |
| case 16: |
| mode->format = SDL_PIXELFORMAT_RGB565; |
| break; |
| case 15: |
| mode->format = SDL_PIXELFORMAT_RGB555; |
| break; |
| case 8: |
| mode->format = SDL_PIXELFORMAT_INDEX8; |
| break; |
| case 4: |
| mode->format = SDL_PIXELFORMAT_INDEX4LSB; |
| break; |
| } |
| } |
| } |
| return SDL_TRUE; |
| } |
| |
| static SDL_bool |
| WIN_AddDisplay(LPTSTR DeviceName) |
| { |
| SDL_VideoDisplay display; |
| SDL_DisplayData *displaydata; |
| SDL_DisplayMode mode; |
| |
| #ifdef DEBUG_MODES |
| printf("Display: %s\n", WIN_StringToUTF8(DeviceName)); |
| #endif |
| if (!WIN_GetDisplayMode(DeviceName, ENUM_CURRENT_SETTINGS, &mode)) { |
| return SDL_FALSE; |
| } |
| |
| displaydata = (SDL_DisplayData *) SDL_malloc(sizeof(*displaydata)); |
| if (!displaydata) { |
| return SDL_FALSE; |
| } |
| SDL_memcpy(displaydata->DeviceName, DeviceName, |
| sizeof(displaydata->DeviceName)); |
| |
| SDL_zero(display); |
| display.desktop_mode = mode; |
| display.current_mode = mode; |
| display.driverdata = displaydata; |
| SDL_AddVideoDisplay(&display); |
| return SDL_TRUE; |
| } |
| |
| int |
| WIN_InitModes(_THIS) |
| { |
| int pass; |
| DWORD i, j, count; |
| DISPLAY_DEVICE device; |
| |
| device.cb = sizeof(device); |
| |
| /* Get the primary display in the first pass */ |
| for (pass = 0; pass < 2; ++pass) { |
| for (i = 0; ; ++i) { |
| TCHAR DeviceName[32]; |
| |
| if (!EnumDisplayDevices(NULL, i, &device, 0)) { |
| break; |
| } |
| if (!(device.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP)) { |
| continue; |
| } |
| if (pass == 0) { |
| if (!(device.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)) { |
| continue; |
| } |
| } else { |
| if (device.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE) { |
| continue; |
| } |
| } |
| SDL_memcpy(DeviceName, device.DeviceName, sizeof(DeviceName)); |
| #ifdef DEBUG_MODES |
| printf("Device: %s\n", WIN_StringToUTF8(DeviceName)); |
| #endif |
| count = 0; |
| for (j = 0; ; ++j) { |
| if (!EnumDisplayDevices(DeviceName, j, &device, 0)) { |
| break; |
| } |
| if (!(device.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP)) { |
| continue; |
| } |
| if (pass == 0) { |
| if (!(device.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)) { |
| continue; |
| } |
| } else { |
| if (device.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE) { |
| continue; |
| } |
| } |
| count += WIN_AddDisplay(device.DeviceName); |
| } |
| if (count == 0) { |
| WIN_AddDisplay(DeviceName); |
| } |
| } |
| } |
| if (_this->num_displays == 0) { |
| SDL_SetError("No displays available"); |
| return -1; |
| } |
| return 0; |
| } |
| |
| int |
| WIN_GetDisplayBounds(_THIS, SDL_VideoDisplay * display, SDL_Rect * rect) |
| { |
| SDL_DisplayModeData *data = (SDL_DisplayModeData *) display->current_mode.driverdata; |
| |
| #ifdef _WIN32_WCE |
| // WINCE: DEVMODE.dmPosition not found, or may be mingw32ce bug |
| rect->x = 0; |
| rect->y = 0; |
| rect->w = _this->windows->w; |
| rect->h = _this->windows->h; |
| #else |
| rect->x = (int)data->DeviceMode.dmPosition.x; |
| rect->y = (int)data->DeviceMode.dmPosition.y; |
| rect->w = data->DeviceMode.dmPelsWidth; |
| rect->h = data->DeviceMode.dmPelsHeight; |
| #endif |
| return 0; |
| } |
| |
| void |
| WIN_GetDisplayModes(_THIS, SDL_VideoDisplay * display) |
| { |
| SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata; |
| DWORD i; |
| SDL_DisplayMode mode; |
| |
| for (i = 0;; ++i) { |
| if (!WIN_GetDisplayMode(data->DeviceName, i, &mode)) { |
| break; |
| } |
| if (SDL_ISPIXELFORMAT_INDEXED(mode.format)) { |
| /* We don't support palettized modes now */ |
| continue; |
| } |
| if (mode.format != SDL_PIXELFORMAT_UNKNOWN) { |
| if (!SDL_AddDisplayMode(display, &mode)) { |
| SDL_free(mode.driverdata); |
| } |
| } |
| } |
| } |
| |
| int |
| WIN_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode) |
| { |
| SDL_DisplayData *displaydata = (SDL_DisplayData *) display->driverdata; |
| SDL_DisplayModeData *data = (SDL_DisplayModeData *) mode->driverdata; |
| LONG status; |
| |
| #ifdef _WIN32_WCE |
| /* TODO: implement correctly. |
| On my Asus MyPAL, if I execute the code below |
| I get DISP_CHANGE_BADFLAGS and the Titlebar of the fullscreen window stays |
| visible ... (SDL_RaiseWindow() would fix that one) */ |
| return 0; |
| #endif |
| |
| status = |
| ChangeDisplaySettingsEx(displaydata->DeviceName, &data->DeviceMode, |
| NULL, CDS_FULLSCREEN, NULL); |
| if (status != DISP_CHANGE_SUCCESSFUL) { |
| const char *reason = "Unknown reason"; |
| switch (status) { |
| case DISP_CHANGE_BADFLAGS: |
| reason = "DISP_CHANGE_BADFLAGS"; |
| break; |
| case DISP_CHANGE_BADMODE: |
| reason = "DISP_CHANGE_BADMODE"; |
| break; |
| case DISP_CHANGE_BADPARAM: |
| reason = "DISP_CHANGE_BADPARAM"; |
| break; |
| case DISP_CHANGE_FAILED: |
| reason = "DISP_CHANGE_FAILED"; |
| break; |
| } |
| SDL_SetError("ChangeDisplaySettingsEx() failed: %s", reason); |
| return -1; |
| } |
| EnumDisplaySettings(displaydata->DeviceName, ENUM_CURRENT_SETTINGS, &data->DeviceMode); |
| return 0; |
| } |
| |
| void |
| WIN_QuitModes(_THIS) |
| { |
| /* All fullscreen windows should have restored modes by now */ |
| } |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |
