diff options
author | chai <chaifix@163.com> | 2019-03-19 23:06:27 +0800 |
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committer | chai <chaifix@163.com> | 2019-03-19 23:06:27 +0800 |
commit | 1497dccd63a84b7ee2b229b1ad9c5c02718f2a78 (patch) | |
tree | f8d1bff50da13e126d08c7345653e002e293202d /Source/3rdParty/SDL2/src/video/windows/SDL_windowsmodes.c | |
parent | 5e2a973516e0729b225da9de0b03015dc5854ac4 (diff) |
*rename
Diffstat (limited to 'Source/3rdParty/SDL2/src/video/windows/SDL_windowsmodes.c')
-rw-r--r-- | Source/3rdParty/SDL2/src/video/windows/SDL_windowsmodes.c | 407 |
1 files changed, 0 insertions, 407 deletions
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmodes.c b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmodes.c deleted file mode 100644 index 7425d9a..0000000 --- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmodes.c +++ /dev/null @@ -1,407 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2018 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" -#include "../../../include/SDL_log.h" - -/* Windows CE compatibility */ -#ifndef CDS_FULLSCREEN -#define CDS_FULLSCREEN 0 -#endif - -/* #define DEBUG_MODES */ - -static void -WIN_UpdateDisplayMode(_THIS, LPCTSTR deviceName, DWORD index, SDL_DisplayMode * mode) -{ - 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 ); - - mode->w = logical_width; - mode->h = logical_height; - - 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; - - 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, HMONITOR hMonitor, const MONITORINFOEX *info) -{ - SDL_VideoDisplay display; - SDL_DisplayData *displaydata; - SDL_DisplayMode mode; - DISPLAY_DEVICE device; - -#ifdef DEBUG_MODES - SDL_Log("Display: %s\n", WIN_StringToUTF8(info->szDevice)); -#endif - - if (!WIN_GetDisplayMode(_this, info->szDevice, ENUM_CURRENT_SETTINGS, &mode)) { - return SDL_FALSE; - } - - displaydata = (SDL_DisplayData *) SDL_malloc(sizeof(*displaydata)); - if (!displaydata) { - return SDL_FALSE; - } - SDL_memcpy(displaydata->DeviceName, info->szDevice, - sizeof(displaydata->DeviceName)); - displaydata->MonitorHandle = hMonitor; - - SDL_zero(display); - device.cb = sizeof(device); - if (EnumDisplayDevices(info->szDevice, 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; -} - -typedef struct _WIN_AddDisplaysData { - SDL_VideoDevice *video_device; - SDL_bool want_primary; -} WIN_AddDisplaysData; - -static BOOL CALLBACK -WIN_AddDisplaysCallback(HMONITOR hMonitor, - HDC hdcMonitor, - LPRECT lprcMonitor, - LPARAM dwData) -{ - WIN_AddDisplaysData *data = (WIN_AddDisplaysData*)dwData; - MONITORINFOEX info; - - SDL_zero(info); - info.cbSize = sizeof(info); - - if (GetMonitorInfo(hMonitor, (LPMONITORINFO)&info) != 0) { - const SDL_bool is_primary = ((info.dwFlags & MONITORINFOF_PRIMARY) == MONITORINFOF_PRIMARY); - - if (is_primary == data->want_primary) { - WIN_AddDisplay(data->video_device, hMonitor, &info); - } - } - - // continue enumeration - return TRUE; -} - -static void -WIN_AddDisplays(_THIS) -{ - WIN_AddDisplaysData callback_data; - callback_data.video_device = _this; - - callback_data.want_primary = SDL_TRUE; - EnumDisplayMonitors(NULL, NULL, WIN_AddDisplaysCallback, (LPARAM)&callback_data); - - callback_data.want_primary = SDL_FALSE; - EnumDisplayMonitors(NULL, NULL, WIN_AddDisplaysCallback, (LPARAM)&callback_data); -} - -int -WIN_InitModes(_THIS) -{ - WIN_AddDisplays(_this); - - if (_this->num_displays == 0) { - return SDL_SetError("No displays available"); - } - return 0; -} - -int -WIN_GetDisplayBounds(_THIS, SDL_VideoDisplay * display, SDL_Rect * rect) -{ - const SDL_DisplayData *data = (const SDL_DisplayData *)display->driverdata; - MONITORINFO minfo; - BOOL rc; - - SDL_zero(minfo); - minfo.cbSize = sizeof(MONITORINFO); - rc = GetMonitorInfo(data->MonitorHandle, &minfo); - - if (!rc) { - return SDL_SetError("Couldn't find monitor data"); - } - - rect->x = minfo.rcMonitor.left; - rect->y = minfo.rcMonitor.top; - rect->w = minfo.rcMonitor.right - minfo.rcMonitor.left; - rect->h = minfo.rcMonitor.bottom - minfo.rcMonitor.top; - - return 0; -} - -int -WIN_GetDisplayDPI(_THIS, SDL_VideoDisplay * display, float * ddpi_out, float * hdpi_out, float * vdpi_out) -{ - const SDL_DisplayData *displaydata = (SDL_DisplayData *)display->driverdata; - const SDL_VideoData *videodata = (SDL_VideoData *)display->device->driverdata; - float hdpi = 0, vdpi = 0, ddpi = 0; - - if (videodata->GetDpiForMonitor) { - UINT hdpi_uint, vdpi_uint; - // Windows 8.1+ codepath - if (videodata->GetDpiForMonitor(displaydata->MonitorHandle, MDT_EFFECTIVE_DPI, &hdpi_uint, &vdpi_uint) == S_OK) { - // GetDpiForMonitor docs promise to return the same hdpi/vdpi - hdpi = (float)hdpi_uint; - vdpi = (float)hdpi_uint; - ddpi = (float)hdpi_uint; - } else { - return SDL_SetError("GetDpiForMonitor failed"); - } - } else { - // Window 8.0 and below: same DPI for all monitors. - HDC hdc; - int hdpi_int, vdpi_int, hpoints, vpoints, hpix, vpix; - float hinches, vinches; - - hdc = GetDC(NULL); - if (hdc == NULL) { - return SDL_SetError("GetDC failed"); - } - hdpi_int = GetDeviceCaps(hdc, LOGPIXELSX); - vdpi_int = GetDeviceCaps(hdc, LOGPIXELSY); - ReleaseDC(NULL, hdc); - - hpoints = GetSystemMetrics(SM_CXVIRTUALSCREEN); - vpoints = GetSystemMetrics(SM_CYVIRTUALSCREEN); - - hpix = MulDiv(hpoints, hdpi_int, 96); - vpix = MulDiv(vpoints, vdpi_int, 96); - - hinches = (float)hpoints / 96.0f; - vinches = (float)vpoints / 96.0f; - - hdpi = (float)hdpi_int; - vdpi = (float)vdpi_int; - ddpi = SDL_ComputeDiagonalDPI(hpix, vpix, hinches, vinches); - } - - if (ddpi_out) { - *ddpi_out = ddpi; - } - if (hdpi_out) { - *hdpi_out = hdpi; - } - if (vdpi_out) { - *vdpi_out = vdpi; - } - - return ddpi != 0.0f ? 0 : SDL_SetError("Couldn't get DPI"); -} - -int -WIN_GetDisplayUsableBounds(_THIS, SDL_VideoDisplay * display, SDL_Rect * rect) -{ - const SDL_DisplayData *data = (const SDL_DisplayData *)display->driverdata; - MONITORINFO minfo; - BOOL rc; - - SDL_zero(minfo); - minfo.cbSize = sizeof(MONITORINFO); - rc = GetMonitorInfo(data->MonitorHandle, &minfo); - - if (!rc) { - return SDL_SetError("Couldn't find monitor data"); - } - - rect->x = minfo.rcWork.left; - rect->y = minfo.rcWork.top; - rect->w = minfo.rcWork.right - minfo.rcWork.left; - rect->h = minfo.rcWork.bottom - minfo.rcWork.top; - - 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: */ |