diff options
Diffstat (limited to '3rdparty/SDL2/src/video/windows/SDL_windowsmodes.c')
-rw-r--r-- | 3rdparty/SDL2/src/video/windows/SDL_windowsmodes.c | 454 |
1 files changed, 0 insertions, 454 deletions
diff --git a/3rdparty/SDL2/src/video/windows/SDL_windowsmodes.c b/3rdparty/SDL2/src/video/windows/SDL_windowsmodes.c deleted file mode 100644 index f172f9a3d68..00000000000 --- a/3rdparty/SDL2/src/video/windows/SDL_windowsmodes.c +++ /dev/null @@ -1,454 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ -#include "../../SDL_internal.h" - -#if SDL_VIDEO_DRIVER_WINDOWS - -#include "SDL_windowsvideo.h" -#include "../../../include/SDL_assert.h" - -/* Windows CE compatibility */ -#ifndef CDS_FULLSCREEN -#define CDS_FULLSCREEN 0 -#endif - -typedef struct _WIN_GetMonitorDPIData { - SDL_VideoData *vid_data; - SDL_DisplayMode *mode; - SDL_DisplayModeData *mode_data; -} WIN_GetMonitorDPIData; - -static BOOL CALLBACK -WIN_GetMonitorDPI(HMONITOR hMonitor, - HDC hdcMonitor, - LPRECT lprcMonitor, - LPARAM dwData) -{ - WIN_GetMonitorDPIData *data = (WIN_GetMonitorDPIData*) dwData; - UINT hdpi, vdpi; - - if (data->vid_data->GetDpiForMonitor(hMonitor, MDT_EFFECTIVE_DPI, &hdpi, &vdpi) == S_OK && - hdpi > 0 && - vdpi > 0) { - float hsize, vsize; - - data->mode_data->HorzDPI = (float)hdpi; - data->mode_data->VertDPI = (float)vdpi; - - // Figure out the monitor size and compute the diagonal DPI. - hsize = data->mode->w / data->mode_data->HorzDPI; - vsize = data->mode->h / data->mode_data->VertDPI; - - data->mode_data->DiagDPI = SDL_ComputeDiagonalDPI( data->mode->w, - data->mode->h, - hsize, - vsize ); - - // We can only handle one DPI per display mode so end the enumeration. - return FALSE; - } - - // We didn't get DPI information so keep going. - return TRUE; -} - -static void -WIN_UpdateDisplayMode(_THIS, LPCTSTR deviceName, DWORD index, SDL_DisplayMode * mode) -{ - SDL_VideoData *vid_data = (SDL_VideoData *) _this->driverdata; - SDL_DisplayModeData *data = (SDL_DisplayModeData *) mode->driverdata; - HDC hdc; - - data->DeviceMode.dmFields = - (DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY | - DM_DISPLAYFLAGS); - - if (index == ENUM_CURRENT_SETTINGS - && (hdc = CreateDC(deviceName, NULL, NULL, NULL)) != NULL) { - char bmi_data[sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD)]; - LPBITMAPINFO bmi; - HBITMAP hbm; - int logical_width = GetDeviceCaps( hdc, HORZRES ); - int logical_height = GetDeviceCaps( hdc, VERTRES ); - - data->ScaleX = (float)logical_width / data->DeviceMode.dmPelsWidth; - data->ScaleY = (float)logical_height / data->DeviceMode.dmPelsHeight; - mode->w = logical_width; - mode->h = logical_height; - - // WIN_GetMonitorDPI needs mode->w and mode->h - // so only call after those are set. - if (vid_data->GetDpiForMonitor) { - WIN_GetMonitorDPIData dpi_data; - RECT monitor_rect; - - dpi_data.vid_data = vid_data; - dpi_data.mode = mode; - dpi_data.mode_data = data; - monitor_rect.left = data->DeviceMode.dmPosition.x; - monitor_rect.top = data->DeviceMode.dmPosition.y; - monitor_rect.right = monitor_rect.left + 1; - monitor_rect.bottom = monitor_rect.top + 1; - EnumDisplayMonitors(NULL, &monitor_rect, WIN_GetMonitorDPI, (LPARAM)&dpi_data); - } else { - // We don't have the Windows 8.1 routine so just - // get system DPI. - data->HorzDPI = (float)GetDeviceCaps( hdc, LOGPIXELSX ); - data->VertDPI = (float)GetDeviceCaps( hdc, LOGPIXELSY ); - if (data->HorzDPI == data->VertDPI) { - data->DiagDPI = data->HorzDPI; - } else { - data->DiagDPI = SDL_ComputeDiagonalDPI( mode->w, - mode->h, - (float)GetDeviceCaps( hdc, HORZSIZE ) / 25.4f, - (float)GetDeviceCaps( hdc, VERTSIZE ) / 25.4f ); - } - } - - 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 if (mode->format == SDL_PIXELFORMAT_UNKNOWN) { - /* FIXME: Can we tell what this will be? */ - if ((data->DeviceMode.dmFields & DM_BITSPERPEL) == DM_BITSPERPEL) { - switch (data->DeviceMode.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; - } - } - } -} - -static SDL_bool -WIN_GetDisplayMode(_THIS, LPCTSTR deviceName, DWORD index, SDL_DisplayMode * mode) -{ - SDL_DisplayModeData *data; - DEVMODE devmode; - - 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; - } - - mode->driverdata = data; - data->DeviceMode = devmode; - - /* Default basic information */ - data->ScaleX = 1.0f; - data->ScaleY = 1.0f; - data->DiagDPI = 0.0f; - data->HorzDPI = 0.0f; - data->VertDPI = 0.0f; - - mode->format = SDL_PIXELFORMAT_UNKNOWN; - mode->w = data->DeviceMode.dmPelsWidth; - mode->h = data->DeviceMode.dmPelsHeight; - mode->refresh_rate = data->DeviceMode.dmDisplayFrequency; - - /* Fill in the mode information */ - WIN_UpdateDisplayMode(_this, deviceName, index, mode); - return SDL_TRUE; -} - -static SDL_bool -WIN_AddDisplay(_THIS, LPTSTR DeviceName) -{ - SDL_VideoDisplay display; - SDL_DisplayData *displaydata; - SDL_DisplayMode mode; - DISPLAY_DEVICE device; - -#ifdef DEBUG_MODES - printf("Display: %s\n", WIN_StringToUTF8(DeviceName)); -#endif - if (!WIN_GetDisplayMode(_this, 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); - device.cb = sizeof(device); - if (EnumDisplayDevices(DeviceName, 0, &device, 0)) { - display.name = WIN_StringToUTF8(device.DeviceString); - } - display.desktop_mode = mode; - display.current_mode = mode; - display.driverdata = displaydata; - SDL_AddVideoDisplay(&display); - SDL_free(display.name); - 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(_this, device.DeviceName); - } - if (count == 0) { - WIN_AddDisplay(_this, DeviceName); - } - } - } - if (_this->num_displays == 0) { - return SDL_SetError("No displays available"); - } - return 0; -} - -int -WIN_GetDisplayBounds(_THIS, SDL_VideoDisplay * display, SDL_Rect * rect) -{ - SDL_DisplayModeData *data = (SDL_DisplayModeData *) display->current_mode.driverdata; - - rect->x = (int)SDL_ceil(data->DeviceMode.dmPosition.x * data->ScaleX); - rect->y = (int)SDL_ceil(data->DeviceMode.dmPosition.y * data->ScaleY); - rect->w = (int)SDL_ceil(data->DeviceMode.dmPelsWidth * data->ScaleX); - rect->h = (int)SDL_ceil(data->DeviceMode.dmPelsHeight * data->ScaleY); - - return 0; -} - -int -WIN_GetDisplayDPI(_THIS, SDL_VideoDisplay * display, float * ddpi, float * hdpi, float * vdpi) -{ - SDL_DisplayModeData *data = (SDL_DisplayModeData *) display->current_mode.driverdata; - - if (ddpi) { - *ddpi = data->DiagDPI; - } - if (hdpi) { - *hdpi = data->HorzDPI; - } - if (vdpi) { - *vdpi = data->VertDPI; - } - - return data->DiagDPI != 0.0f ? 0 : SDL_SetError("Couldn't get DPI"); -} - -int -WIN_GetDisplayUsableBounds(_THIS, SDL_VideoDisplay * display, SDL_Rect * rect) -{ - const SDL_DisplayModeData *data = (const SDL_DisplayModeData *) display->current_mode.driverdata; - const DEVMODE *pDevMode = &data->DeviceMode; - POINT pt = { - /* !!! FIXME: no scale, right? */ - (LONG) (pDevMode->dmPosition.x + (pDevMode->dmPelsWidth / 2)), - (LONG) (pDevMode->dmPosition.y + (pDevMode->dmPelsHeight / 2)) - }; - HMONITOR hmon = MonitorFromPoint(pt, MONITOR_DEFAULTTONULL); - MONITORINFO minfo; - const RECT *work; - BOOL rc = FALSE; - - SDL_assert(hmon != NULL); - - if (hmon != NULL) { - SDL_zero(minfo); - minfo.cbSize = sizeof (MONITORINFO); - rc = GetMonitorInfo(hmon, &minfo); - SDL_assert(rc); - } - - if (!rc) { - return SDL_SetError("Couldn't find monitor data"); - } - - work = &minfo.rcWork; - rect->x = (int)SDL_ceil(work->left * data->ScaleX); - rect->y = (int)SDL_ceil(work->top * data->ScaleY); - rect->w = (int)SDL_ceil((work->right - work->left) * data->ScaleX); - rect->h = (int)SDL_ceil((work->bottom - work->top) * data->ScaleY); - - 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(_this, data->DeviceName, i, &mode)) { - break; - } - if (SDL_ISPIXELFORMAT_INDEXED(mode.format)) { - /* We don't support palettized modes now */ - SDL_free(mode.driverdata); - continue; - } - if (mode.format != SDL_PIXELFORMAT_UNKNOWN) { - if (!SDL_AddDisplayMode(display, &mode)) { - SDL_free(mode.driverdata); - } - } else { - 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; - - if (mode->driverdata == display->desktop_mode.driverdata) { - status = ChangeDisplaySettingsEx(displaydata->DeviceName, NULL, NULL, CDS_FULLSCREEN, NULL); - } else { - 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; - } - return SDL_SetError("ChangeDisplaySettingsEx() failed: %s", reason); - } - EnumDisplaySettings(displaydata->DeviceName, ENUM_CURRENT_SETTINGS, &data->DeviceMode); - WIN_UpdateDisplayMode(_this, displaydata->DeviceName, ENUM_CURRENT_SETTINGS, mode); - return 0; -} - -void -WIN_QuitModes(_THIS) -{ - /* All fullscreen windows should have restored modes by now */ -} - -#endif /* SDL_VIDEO_DRIVER_WINDOWS */ - -/* vi: set ts=4 sw=4 expandtab: */ |