qzdoom/src/win32/base_sysfb.cpp

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2018-06-24 21:54:25 +00:00
/*
**
**
**---------------------------------------------------------------------------
** Copyright 2003-2005 Tim Stump
** Copyright 2005-2016 Christoph Oelckers
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <GL/gl.h>
#include "wglext.h"
#include "gl_sysfb.h"
#include "hardware.h"
#include "x86.h"
#include "templates.h"
#include "version.h"
#include "c_console.h"
#include "v_video.h"
#include "i_input.h"
#include "i_system.h"
#include "doomstat.h"
#include "v_text.h"
#include "m_argv.h"
#include "doomerrors.h"
#include "base_sysfb.h"
#include "win32basevideo.h"
#include "c_dispatch.h"
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extern HWND Window;
extern "C" {
__declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
}
EXTERN_CVAR(Int, vid_defwidth)
EXTERN_CVAR(Int, vid_defheight)
//==========================================================================
//
// Windows framebuffer
//
//==========================================================================
//==========================================================================
//
//
//
//==========================================================================
void SystemBaseFrameBuffer::GetCenteredPos(int in_w, int in_h, int &winx, int &winy, int &winw, int &winh, int &scrwidth, int &scrheight)
{
DEVMODE displaysettings;
RECT rect;
int cx, cy;
memset(&displaysettings, 0, sizeof(displaysettings));
displaysettings.dmSize = sizeof(displaysettings);
EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &displaysettings);
scrwidth = (int)displaysettings.dmPelsWidth;
scrheight = (int)displaysettings.dmPelsHeight;
GetWindowRect(Window, &rect);
cx = scrwidth / 2;
cy = scrheight / 2;
if (in_w > 0) winw = in_w;
else winw = rect.right - rect.left;
if (in_h > 0) winh = in_h;
else winh = rect.bottom - rect.top;
winx = cx - winw / 2;
winy = cy - winh / 2;
}
//==========================================================================
//
//
//
//==========================================================================
void SystemBaseFrameBuffer::KeepWindowOnScreen(int &winx, int &winy, int winw, int winh, int scrwidth, int scrheight)
{
// If the window is too large to fit entirely on the screen, at least
// keep its upperleft corner visible.
if (winx + winw > scrwidth)
{
winx = scrwidth - winw;
}
if (winx < 0)
{
winx = 0;
}
if (winy + winh > scrheight)
{
winy = scrheight - winh;
}
if (winy < 0)
{
winy = 0;
}
}
//==========================================================================
//
//
//
//==========================================================================
void SystemBaseFrameBuffer::SaveWindowedPos()
{
// Don't save if we were run with the -0 option.
if (Args->CheckParm("-0"))
{
return;
}
// Make sure we only save the window position if it's not fullscreen.
static const int WINDOW_STYLE = WS_OVERLAPPEDWINDOW & ~WS_MAXIMIZEBOX;
if ((GetWindowLong(Window, GWL_STYLE) & WINDOW_STYLE) == WINDOW_STYLE)
{
RECT wrect;
if (GetWindowRect(Window, &wrect))
{
// If (win_x,win_y) specify to center the window, don't change them
// if the window is still centered.
if (win_x < 0 || win_y < 0 || win_w < 0 || win_h < 0)
{
int winx, winy, winw, winh, scrwidth, scrheight;
GetCenteredPos(win_w, win_h, winx, winy, winw, winh, scrwidth, scrheight);
KeepWindowOnScreen(winx, winy, winw, winh, scrwidth, scrheight);
if (win_x < 0 && winx == wrect.left)
{
wrect.left = win_x;
}
if (win_y < 0 && winy == wrect.top)
{
wrect.top = win_y;
}
wrect.right = winw + wrect.left;
wrect.bottom = winh + wrect.top;
}
win_x = wrect.left;
win_y = wrect.top;
win_w = wrect.right - wrect.left;
win_h = wrect.bottom - wrect.top;
}
win_maximized = IsZoomed(Window) == TRUE;
}
}
//==========================================================================
//
//
//
//==========================================================================
void SystemBaseFrameBuffer::RestoreWindowedPos()
{
int winx, winy, winw, winh, scrwidth, scrheight;
GetCenteredPos(win_w, win_h, winx, winy, winw, winh, scrwidth, scrheight);
// Just move to (0,0) if we were run with the -0 option.
if (Args->CheckParm("-0"))
{
winx = winy = 0;
}
else
{
if (win_x >= 0)
{
winx = win_x;
}
if (win_y >= 0)
{
winy = win_y;
}
KeepWindowOnScreen(winx, winy, winw, winh, scrwidth, scrheight);
}
SetWindowPos(Window, nullptr, winx, winy, winw, winh, SWP_NOZORDER | SWP_FRAMECHANGED);
if (win_maximized && !Args->CheckParm("-0"))
ShowWindow(Window, SW_MAXIMIZE);
}
//==========================================================================
//
//
//
//==========================================================================
void SystemBaseFrameBuffer::SetWindowSize(int w, int h)
{
if (w < 0 || h < 0)
{
RestoreWindowedPos();
}
else
{
LONG style = WS_VISIBLE | WS_CLIPSIBLINGS | WS_OVERLAPPEDWINDOW;
LONG exStyle = WS_EX_WINDOWEDGE;
SetWindowLong(Window, GWL_STYLE, style);
SetWindowLong(Window, GWL_EXSTYLE, exStyle);
int winx, winy, winw, winh, scrwidth, scrheight;
RECT r = { 0, 0, w, h };
AdjustWindowRectEx(&r, style, false, exStyle);
w = int(r.right - r.left);
h = int(r.bottom - r.top);
GetCenteredPos(w, h, winx, winy, winw, winh, scrwidth, scrheight);
// Just move to (0,0) if we were run with the -0 option.
if (Args->CheckParm("-0"))
{
winx = winy = 0;
}
else
{
KeepWindowOnScreen(winx, winy, winw, winh, scrwidth, scrheight);
}
if (!fullscreen)
{
ShowWindow(Window, SW_SHOWNORMAL);
SetWindowPos(Window, nullptr, winx, winy, winw, winh, SWP_NOZORDER | SWP_FRAMECHANGED);
win_maximized = false;
SetSize(GetClientWidth(), GetClientHeight());
SaveWindowedPos();
}
else
{
win_x = winx;
win_y = winy;
win_w = winw;
win_h = winh;
win_maximized = false;
fullscreen = false;
}
}
}
//==========================================================================
//
//
//
//==========================================================================
void SystemBaseFrameBuffer::PositionWindow(bool fullscreen, bool initialcall)
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{
RECT r;
LONG style, exStyle;
RECT monRect;
if (!m_Fullscreen && fullscreen && !initialcall) SaveWindowedPos();
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if (m_Monitor)
{
MONITORINFOEX mi;
mi.cbSize = sizeof mi;
if (GetMonitorInfo(HMONITOR(m_Monitor), &mi))
{
strcpy(m_displayDeviceNameBuffer, mi.szDevice);
m_displayDeviceName = m_displayDeviceNameBuffer;
monRect = mi.rcMonitor;
// Set the default windowed size if not specified yet.
if (win_w < 0 || win_h < 0)
{
win_w = int(monRect.right - monRect.left) * 8 / 10;
win_h = int(monRect.bottom - monRect.top) * 8 / 10;
}
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}
}
ShowWindow(Window, SW_SHOW);
GetWindowRect(Window, &r);
style = WS_VISIBLE | WS_CLIPSIBLINGS;
exStyle = 0;
if (fullscreen)
style |= WS_POPUP;
else
{
style |= WS_OVERLAPPEDWINDOW;
exStyle |= WS_EX_WINDOWEDGE;
}
SetWindowLong(Window, GWL_STYLE, style);
SetWindowLong(Window, GWL_EXSTYLE, exStyle);
if (fullscreen)
{
SetWindowPos(Window, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
MoveWindow(Window, monRect.left, monRect.top, monRect.right-monRect.left, monRect.bottom-monRect.top, FALSE);
// And now, seriously, it IS in the right place. Promise.
}
else
{
RestoreWindowedPos();
// This doesn't restore the window size properly so we must force a set size the next tic.
if (m_Fullscreen)
{
::fullscreen = false;
}
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}
m_Fullscreen = fullscreen;
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SetSize(GetClientWidth(), GetClientHeight());
}
//==========================================================================
//
//
//
//==========================================================================
SystemBaseFrameBuffer::SystemBaseFrameBuffer(void *hMonitor, bool fullscreen) : DFrameBuffer(vid_defwidth, vid_defheight)
{
m_Monitor = hMonitor;
m_displayDeviceName = 0;
PositionWindow(fullscreen, true);
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HDC hDC = GetDC(Window);
m_supportsGamma = !!GetDeviceGammaRamp(hDC, (void *)m_origGamma);
ReleaseDC(Window, hDC);
}
//==========================================================================
//
//
//
//==========================================================================
SystemBaseFrameBuffer::~SystemBaseFrameBuffer()
{
ResetGammaTable();
if (!m_Fullscreen) SaveWindowedPos();
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ShowWindow (Window, SW_SHOW);
SetWindowLong(Window, GWL_STYLE, WS_VISIBLE | WS_CLIPSIBLINGS | WS_OVERLAPPEDWINDOW);
SetWindowLong(Window, GWL_EXSTYLE, WS_EX_WINDOWEDGE);
SetWindowPos(Window, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
I_GetEvent();
static_cast<Win32BaseVideo *>(Video)->Shutdown();
}
//==========================================================================
//
//
//
//==========================================================================
void SystemBaseFrameBuffer::ResetGammaTable()
{
if (m_supportsGamma)
{
HDC hDC = GetDC(Window);
SetDeviceGammaRamp(hDC, (void *)m_origGamma);
ReleaseDC(Window, hDC);
}
}
void SystemBaseFrameBuffer::SetGammaTable(uint16_t *tbl)
{
if (m_supportsGamma)
{
HDC hDC = GetDC(Window);
SetDeviceGammaRamp(hDC, (void *)tbl);
ReleaseDC(Window, hDC);
}
}
//==========================================================================
//
//
//
//==========================================================================
bool SystemBaseFrameBuffer::IsFullscreen()
{
return m_Fullscreen;
}
//==========================================================================
//
//
//
//==========================================================================
void SystemBaseFrameBuffer::ToggleFullscreen(bool yes)
{
PositionWindow(yes);
}
//==========================================================================
//
//
//
//==========================================================================
int SystemBaseFrameBuffer::GetClientWidth()
{
RECT rect = { 0 };
GetClientRect(Window, &rect);
return rect.right - rect.left;
}
int SystemBaseFrameBuffer::GetClientHeight()
{
RECT rect = { 0 };
GetClientRect(Window, &rect);
return rect.bottom - rect.top;
}