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#include <windows.h> |
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#include <math.h> |
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|
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#include "Oni.h" |
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#include "Daodan_Utility.h" |
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#include <GL/gl.h> |
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#include <GL/glu.h> |
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#include "Daodan_Win32.h" |
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|
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#include "Daodan_GL.h" |
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#include "Oni_GL.h" |
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|
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static const M3tDisplayMode daodan_reslist[] = |
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{ |
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{ 640, 480, 0, 0 }, |
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{ 720, 480, 0, 0 }, |
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{ 720, 576, 0, 0 }, |
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{ 768, 480, 0, 0 }, |
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{ 800, 480, 0, 0 }, |
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{ 800, 600, 0, 0 }, |
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{ 852, 480, 0, 0 }, |
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{ 856, 480, 0, 0 }, |
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{ 960, 540, 0, 0 }, |
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{ 960, 720, 0, 0 }, |
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{ 1024, 576, 0, 0 }, |
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{ 1024, 600, 0, 0 }, |
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{ 1024, 640, 0, 0 }, |
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{ 1024, 768, 0, 0 }, |
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{ 1152, 768, 0, 0 }, |
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{ 1152, 864, 0, 0 }, |
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{ 1280, 720, 0, 0 }, |
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{ 1280, 768, 0, 0 }, |
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{ 1280, 800, 0, 0 }, |
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{ 1280, 960, 0, 0 }, |
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{ 1280, 1024, 0, 0 }, |
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{ 1366, 768, 0, 0 }, |
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{ 1400, 1050, 0, 0 }, |
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{ 1440, 900, 0, 0 }, |
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{ 1600, 900, 0, 0 }, |
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{ 1600, 1200, 0, 0 }, |
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{ 1920, 1080, 0, 0 }, |
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{ 1920, 1200, 0, 0 }, |
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{ 1920, 1440, 0, 0 }, |
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}; |
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|
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static DWORD window_style, window_exstyle; |
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|
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// HACK: use additional device entries to store display modes. It would give us |
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// 67 mode slots total (far more than enough). I absolutely have no idea where |
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// Rossy got his 104 (it would take up to 0x660 bytes while the whole GL state |
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// is only 0x63c bytes). Maybe it was just octal (67 + 1). |
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// This hack would break (crash!) "m3_display_list" script command. |
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#define DD_MAX_MODES ((offsetof(M3tDrawEngineCaps,__unknown) - \ |
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offsetof(M3tDrawEngineCaps,DisplayDevices) - \ |
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offsetof(M3tDisplayDevice,Modes)) / sizeof(M3tDisplayMode)) |
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|
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// Former daodan_resdepths. |
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#define DD_MIN_DEPTH 16 |
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|
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unsigned short ONICALL DD_GLrEnumerateDisplayModes(M3tDisplayMode* modes) |
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{ |
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unsigned int vmodes = 0; |
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unsigned int screen_x = GetSystemMetrics(SM_CXSCREEN); |
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unsigned int screen_y = GetSystemMetrics(SM_CYSCREEN); |
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|
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unsigned int i; |
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signed int j; |
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|
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DDrStartupMessage("listing display modes"); |
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|
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memset(modes, 0, sizeof(M3tDisplayMode) * DD_MAX_MODES); |
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|
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if (M3gResolutionSwitch) |
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{ |
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// Enumerate in -switch mode. "67 slots ought to be enough for anybody". |
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|
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DEVMODE dm; |
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|
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dm.dmSize = sizeof(dm); |
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dm.dmDriverExtra = 0; |
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|
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for (i = 0; EnumDisplaySettings(NULL, i, &dm); ++i) |
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{ |
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if (dm.dmBitsPerPel < DD_MIN_DEPTH || dm.dmPelsWidth < 640 || dm.dmPelsHeight < 480) |
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continue; |
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|
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// Already exists? Search backwards as modes are sorted most of the times |
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for (j = vmodes - 1; j >= 0; --j) |
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if (modes[j].Width == dm.dmPelsWidth && modes[j].Height == dm.dmPelsHeight && |
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modes[j].Depth == dm.dmBitsPerPel) |
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break; |
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|
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if (j >= 0) |
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continue; // We've found a match. |
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|
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modes[vmodes].Width = dm.dmPelsWidth; |
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modes[vmodes].Height = dm.dmPelsHeight; |
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modes[vmodes].Depth = dm.dmBitsPerPel; |
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|
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if (++vmodes >= DD_MAX_MODES) |
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break; |
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} |
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} |
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else |
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{ |
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// In -noswitch we put predefined window sizes which don't overlap |
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// deskbar(s) plus one "native" fullscreen mode. |
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|
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unsigned int workarea_width, workarea_height, frame_width, frame_height; |
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DWORD style, exstyle; |
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RECT rc; |
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|
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if (SystemParametersInfo(SPI_GETWORKAREA, 0, &rc, 0)) |
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{ |
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workarea_width = rc.right - rc.left; |
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workarea_height = rc.bottom - rc.top; |
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} |
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else |
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{ |
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workarea_width = screen_x; |
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workarea_height = screen_y; |
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} |
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|
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style = (DWORD) GetWindowLongPtr(ONgPlatformData.Window, GWL_STYLE); |
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exstyle = (DWORD) GetWindowLongPtr(ONgPlatformData.Window, GWL_EXSTYLE); |
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|
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// Calculate additional width and height for window borders. Don't |
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// bother with system metrics. Let Windows calculate this. |
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rc.left = rc.top = 0; |
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rc.right = rc.bottom = 300; |
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|
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if (AdjustWindowRectEx(&rc, style, FALSE, exstyle)) |
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{ |
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frame_width = rc.right - rc.left - 300; |
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frame_height = rc.bottom - rc.top - 300; |
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} |
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else |
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{ |
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frame_width = 0; |
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frame_height = 0; |
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} |
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|
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for (i = 0; i < sizeof(daodan_reslist) / sizeof(daodan_reslist[0]); ++i) |
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{ |
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// Don't check the mode which has the same rect as screen. We would |
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// add it later as a special case. |
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if (daodan_reslist[i].Width == screen_x && daodan_reslist[i].Height == screen_y) |
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continue; |
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|
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if (daodan_reslist[i].Width + frame_width <= workarea_width && |
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daodan_reslist[i].Height + frame_height <= workarea_height) |
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{ |
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modes[vmodes] = daodan_reslist[i]; |
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modes[vmodes].Depth = GLgInitialMode.dmBitsPerPel; |
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|
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if (++vmodes >= DD_MAX_MODES) |
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{ |
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--vmodes; // Remove the last mode to make room for "fullscreen" mode. |
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break; |
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} |
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} |
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} |
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|
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modes[vmodes].Width = GLgInitialMode.dmPelsWidth; |
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modes[vmodes].Height = GLgInitialMode.dmPelsHeight; |
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modes[vmodes].Depth = GLgInitialMode.dmBitsPerPel; |
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++vmodes; |
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} |
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|
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DDrStartupMessage("%u modes available:", vmodes); |
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for (i = 0; i < vmodes; ++i) |
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DDrStartupMessage(" %ux%ux%u", modes[i].Width, modes[i].Height, modes[i].Depth); |
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|
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return vmodes; |
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} |
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|
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// Sets a new display mode (if it is somehow different from a current mode). |
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// NOTE: signature for this function was changed to simplify code. |
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UUtBool DD_GLrPlatform_SetDisplayMode(M3tDisplayMode* mode) |
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{ |
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if (mode->Height < 480) |
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return UUcFalse; |
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|
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if (M3gResolutionSwitch) |
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{ |
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DEVMODE new_mode, cur_mode; |
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|
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cur_mode.dmSize = sizeof(cur_mode); |
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cur_mode.dmDriverExtra = 0; |
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|
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// We don't need this check. Windows does this too (see CDS_RESET). |
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if (!EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &cur_mode) || |
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cur_mode.dmPelsWidth != mode->Width || cur_mode.dmPelsHeight != mode->Height || |
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cur_mode.dmBitsPerPel != mode->Depth) |
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{ |
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new_mode.dmSize = sizeof(new_mode); |
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new_mode.dmFields = DM_BITSPERPEL | DM_PELSHEIGHT | DM_PELSWIDTH; |
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new_mode.dmPelsWidth = mode->Width; |
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new_mode.dmPelsHeight = mode->Height; |
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new_mode.dmBitsPerPel = mode->Depth; |
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|
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if (ChangeDisplaySettings(&new_mode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL) |
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return UUcFalse; |
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} |
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|
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// We didn't change window size in DD_GLrPlatform_Initialize so we need |
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// to change it here. |
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SetWindowPos(ONgPlatformData.Window, NULL, 0, 0, mode->Width, mode->Height, |
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SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_NOZORDER); |
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|
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return UUcTrue; |
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} |
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else |
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{ |
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unsigned screen_x, screen_y; |
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DWORD style, exstyle, new_style, new_exstyle; |
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DWORD flags; |
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RECT rc, workarea_rc; |
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POINT pt; |
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|
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screen_x = GetSystemMetrics(SM_CXSCREEN); |
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screen_y = GetSystemMetrics(SM_CYSCREEN); |
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|
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GetClientRect(ONgPlatformData.Window, &rc); |
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|
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// Don't do anything if the mode was not changed. |
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if (rc.right == mode->Width && rc.bottom == mode->Height) |
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return UUcTrue; |
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|
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style = (DWORD) GetWindowLongPtr(ONgPlatformData.Window, GWL_STYLE); |
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exstyle = (DWORD) GetWindowLongPtr(ONgPlatformData.Window, GWL_EXSTYLE); |
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flags = SWP_NOACTIVATE | SWP_NOZORDER; |
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|
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// Remember initial window style to correctly restore from fullscreen. |
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if (window_style == 0) |
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{ |
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window_style = style; |
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window_exstyle = exstyle; |
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} |
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|
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if (mode->Width == screen_x && mode->Height == screen_y) |
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{ |
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// "Fullscreen" mode. |
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new_exstyle = exstyle & ~(WS_EX_CLIENTEDGE | WS_EX_DLGMODALFRAME | WS_EX_STATICEDGE | WS_EX_WINDOWEDGE); |
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new_style = style & ~(WS_CAPTION | WS_BORDER | WS_THICKFRAME | WS_DLGFRAME); |
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new_style = new_style | WS_POPUP; |
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rc.left = 0; |
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rc.top = 0; |
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rc.right = mode->Width; |
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rc.bottom = mode->Height; |
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} |
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else |
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{ |
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if (opt_border) |
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{ |
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pt.x = rc.left; |
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pt.y = rc.top; |
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ClientToScreen(ONgPlatformData.Window, &pt); |
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} |
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else |
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{ |
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pt.x = screen_x / 2 - mode->Width / 2; |
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pt.y = screen_y / 2 - mode->Height / 2; |
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} |
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|
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new_exstyle = window_exstyle; |
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new_style = window_style; |
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rc.left = pt.x; |
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rc.top = pt.y; |
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rc.right = rc.left + mode->Width; |
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rc.bottom = rc.top + mode->Height; |
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|
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AdjustWindowRectEx(&rc, new_style, FALSE, new_exstyle); |
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|
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// Convert to width and height. |
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rc.right -= rc.left; |
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rc.bottom -= rc.top; |
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|
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if (SystemParametersInfo(SPI_GETWORKAREA, 0, &workarea_rc, 0)) |
280 |
{ |
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// We try to keep window position, but we should prevent window |
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// from going off screen. |
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|
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if (rc.left + rc.right > workarea_rc.right) |
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rc.left = workarea_rc.right - rc.right; |
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if (rc.top + rc.bottom > workarea_rc.bottom) |
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rc.top = workarea_rc.bottom - rc.bottom; |
288 |
|
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// Titlebar should always be visible. |
290 |
|
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if (rc.left < workarea_rc.left) |
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rc.left = workarea_rc.left; |
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if (rc.top < workarea_rc.top) |
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rc.top = workarea_rc.top; |
295 |
} |
296 |
} |
297 |
|
298 |
if (new_style != style) |
299 |
{ |
300 |
SetWindowLongPtr(ONgPlatformData.Window, GWL_STYLE, (LONG_PTR) new_style); |
301 |
flags |= SWP_FRAMECHANGED | SWP_DRAWFRAME; |
302 |
} |
303 |
|
304 |
if (new_exstyle != exstyle) |
305 |
{ |
306 |
SetWindowLongPtr(ONgPlatformData.Window, GWL_EXSTYLE, (LONG_PTR) new_exstyle); |
307 |
flags |= SWP_FRAMECHANGED | SWP_DRAWFRAME; |
308 |
} |
309 |
|
310 |
SetWindowPos(ONgPlatformData.Window, NULL, rc.left, rc.top, rc.right, rc.bottom, flags); |
311 |
return UUcTrue; |
312 |
} |
313 |
} |
314 |
|
315 |
static void ONICALL DD_GLiGamma_Restore(void) |
316 |
{ |
317 |
if (opt_gamma) |
318 |
{ |
319 |
if (gl_api->wglSetDeviceGammaRamp3DFX) |
320 |
gl_api->wglSetDeviceGammaRamp3DFX(gl->hDC, GLgInitialGammaRamp); |
321 |
else |
322 |
SetDeviceGammaRamp(gl->hDC, GLgInitialGammaRamp); |
323 |
} |
324 |
} |
325 |
|
326 |
static void ONICALL DD_GLiGamma_Initialize(void) |
327 |
{ |
328 |
if (opt_gamma) |
329 |
{ |
330 |
if (gl_api->wglSetDeviceGammaRamp3DFX) |
331 |
{ |
332 |
UUrStartupMessage("Using 3dfx gamma adjustment"); |
333 |
GLgGammaRampValid = gl_api->wglGetDeviceGammaRamp3DFX(gl->hDC, GLgInitialGammaRamp); |
334 |
} |
335 |
else |
336 |
{ |
337 |
UUrStartupMessage("Using Windows gamma adjustment"); |
338 |
GLgGammaRampValid = GetDeviceGammaRamp(gl->hDC, GLgInitialGammaRamp); |
339 |
} |
340 |
|
341 |
M3rSetGamma(ONrPersist_GetGamma()); |
342 |
} |
343 |
else |
344 |
{ |
345 |
GLgGammaRampValid = FALSE; |
346 |
} |
347 |
} |
348 |
|
349 |
// Disposes OpenGL engine. Called once. |
350 |
void ONICALL DD_GLrPlatform_Dispose(void) |
351 |
{ |
352 |
DEVMODE dm; |
353 |
|
354 |
DD_GLiGamma_Restore(); |
355 |
|
356 |
gl_api->wglMakeCurrent(NULL, NULL); |
357 |
gl_api->wglDeleteContext(gl->hGLRC); |
358 |
ReleaseDC(ONgPlatformData.Window, gl->hDC); |
359 |
|
360 |
// Restore initial display mode if it does not match current mode. |
361 |
|
362 |
dm.dmSize = sizeof(dm); |
363 |
dm.dmDriverExtra = 0; |
364 |
|
365 |
if (!EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dm) || |
366 |
dm.dmPelsWidth != GLgInitialMode.dmPelsWidth || |
367 |
dm.dmPelsHeight != GLgInitialMode.dmPelsHeight || |
368 |
dm.dmBitsPerPel != GLgInitialMode.dmBitsPerPel) |
369 |
{ |
370 |
ChangeDisplaySettings(&GLgInitialMode, 0); |
371 |
} |
372 |
|
373 |
// (skipping SetWindowPos as it only adds flickering) |
374 |
gl_unload_library(); |
375 |
} |
376 |
|
377 |
// Initializes (and re-initializes) OpenGL. |
378 |
UUtBool ONICALL DD_GLrPlatform_Initialize(void) |
379 |
{ |
380 |
static const M3tDisplayMode FallbackMode = { 640, 480, 16, 0 }; |
381 |
|
382 |
if (!DD_GLrPlatform_SetDisplayMode(&gl->DisplayMode)) |
383 |
{ |
384 |
gl->DisplayMode = FallbackMode; |
385 |
|
386 |
if (!DD_GLrPlatform_SetDisplayMode(&gl->DisplayMode)) |
387 |
{ |
388 |
goto exit_err; |
389 |
} |
390 |
} |
391 |
|
392 |
// (DD_GLrPlatform_SetDisplayMode updates a window rectangle for us) |
393 |
|
394 |
if (!gl->hDC && !(gl->hDC = GetDC(ONgPlatformData.Window))) |
395 |
{ |
396 |
goto exit_err; |
397 |
} |
398 |
|
399 |
if (!M3gResolutionSwitch && opt_gamma) |
400 |
{ |
401 |
UUrStartupMessage("Ignoring gamma setting due to windowed mode"); |
402 |
opt_gamma = false; |
403 |
} |
404 |
|
405 |
DD_GLiGamma_Initialize(); |
406 |
|
407 |
// This creates a rendering context too. |
408 |
if (!gl_platform_set_pixel_format(gl->hDC)) |
409 |
{ |
410 |
if (gl->DisplayMode.Depth != 16) |
411 |
{ |
412 |
gl->DisplayMode.Depth = 16; |
413 |
if (!DD_GLrPlatform_SetDisplayMode(&gl->DisplayMode)) |
414 |
goto exit_err; |
415 |
|
416 |
if (!gl_platform_set_pixel_format(gl->hDC)) |
417 |
goto exit_err; |
418 |
} |
419 |
} |
420 |
|
421 |
return UUcTrue; |
422 |
|
423 |
exit_err: |
424 |
AUrMessageBox(1, "Failed to initialize OpenGL contexts; Oni will now exit."); |
425 |
exit(0); |
426 |
return 0; |
427 |
} |