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fteqw/engine/gl/gl_vidnt.c

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/*
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// gl_vidnt.c -- NT GL vid component
#include "quakedef.h"
#ifdef RGLQUAKE
#include "glquake.h"
#include "winquake.h"
#include "resource.h"
#include <commctrl.h>
#ifndef CDS_FULLSCREEN
#define CDS_FULLSCREEN 4
#endif
#ifndef WM_XBUTTONDOWN
#define WM_XBUTTONDOWN 0x020B
#define WM_XBUTTONUP 0x020C
#endif
#ifndef MK_XBUTTON1
#define MK_XBUTTON1 0x0020
#define MK_XBUTTON2 0x0040
// copied from DarkPlaces in an attempt to grab more buttons
#define MK_XBUTTON3 0x0080
#define MK_XBUTTON4 0x0100
#define MK_XBUTTON5 0x0200
#define MK_XBUTTON6 0x0400
#define MK_XBUTTON7 0x0800
#endif
#ifndef WM_INPUT
#define WM_INPUT 255
#endif
extern cvar_t vid_conwidth, vid_conautoscale;
#define WINDOW_CLASS_NAME "WinQuake"
#define MAX_MODE_LIST 128
#define VID_ROW_SIZE 3
#define WARP_WIDTH 320
#define WARP_HEIGHT 200
#define MAXWIDTH 10000
#define MAXHEIGHT 10000
#define BASEWIDTH 320
#define BASEHEIGHT 200
typedef enum {MS_WINDOWED, MS_FULLSCREEN, MS_FULLDIB, MS_UNINIT} modestate_t;
#ifdef USE_D3D
void D3DInitialize(void);
void d3dSetMode(int fullscreen, int width, int height, int bpp, int zbpp);
#endif
BOOL bSetupPixelFormat(HDC hDC);
//qboolean VID_SetWindowedMode (int modenum);
//qboolean VID_SetFullDIBMode (int modenum);
qboolean VID_SetWindowedMode (rendererstate_t *info); //-1 on bpp or hz for default.
qboolean VID_SetFullDIBMode (rendererstate_t *info); //-1 on bpp or hz for default.
qboolean DDActive;
qboolean scr_skipupdate;
static DEVMODE gdevmode;
static qboolean vid_initialized = false;
static qboolean leavecurrentmode= true;
static qboolean vid_canalttab = false;
static qboolean vid_wassuspended = false;
static int windowed_mouse;
extern qboolean mouseactive; // from in_win.c
static HICON hIcon;
extern qboolean vid_isfullscreen;
unsigned short originalgammaramps[3][256];
#ifdef SWQUAKE
extern
#endif
qboolean vid_initializing;
qboolean VID_AttachGL (rendererstate_t *info);
int DIBWidth, DIBHeight;
RECT WindowRect;
DWORD WindowStyle, ExWindowStyle;
HWND mainwindow, dibwindow;
unsigned char vid_curpal[256*3];
float vid_gamma = 1.0;
HGLRC baseRC;
HDC maindc;
glvert_t glv;
HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
viddef_t vid; // global video state
//unsigned short d_8to16rgbtable[256];
//unsigned d_8to24rgbtable[256];
//unsigned short d_8to16bgrtable[256];
//unsigned d_8to24bgrtable[256];
modestate_t modestate = MS_UNINIT;
LONG WINAPI GLMainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
qboolean GLAppActivate(BOOL fActive, BOOL minimize);
char *VID_GetModeDescription (int mode);
void ClearAllStates (void);
void VID_UpdateWindowStatus (void);
void GL_Init(void *(*getglfunction) (char *name));
typedef void (APIENTRY *lp3DFXFUNC) (int, int, int, int, int, const void*);
lp3DFXFUNC qglColorTableEXT;
qboolean is8bit = false;
qboolean isPermedia = false;
//====================================
// Note that 0 is MODE_WINDOWED
extern cvar_t vid_mode;
// Note that 3 is MODE_FULLSCREEN_DEFAULT
extern cvar_t vid_wait;
extern cvar_t _vid_wait_override;
extern cvar_t _windowed_mouse;
extern cvar_t vid_hardwaregamma;
extern cvar_t vid_desktopgamma;
extern cvar_t gl_lateswap;
int window_center_x, window_center_y, window_x, window_y, window_width, window_height;
RECT window_rect;
HMODULE hInstGL = NULL;
HMODULE hInstwgl = NULL;
char opengldllname[MAX_OSPATH];
//just GetProcAddress with a safty net.
void *getglfunc(char *name)
{
FARPROC proc;
proc = qwglGetProcAddress?qwglGetProcAddress(name):NULL;
if (!proc)
{
proc = GetProcAddress(hInstGL, name);
TRACE(("dbg: getglfunc: gpa %s: success %i\n", name, !!proc));
return proc;
}
TRACE(("dbg: getglfunc: glgpa %s: success %i\n", name, !!proc));
return proc;
}
void *getwglfunc(char *name)
{
FARPROC proc;
TRACE(("dbg: getwglfunc: %s: getting\n", name));
proc = GetProcAddress(hInstGL, name);
if (!proc)
{
if (!hInstwgl)
{
TRACE(("dbg: getwglfunc: explicitly loading opengl32.dll\n", name));
hInstwgl = LoadLibrary("opengl32.dll");
}
TRACE(("dbg: getwglfunc: %s: wglgetting\n", name));
proc = GetProcAddress(hInstwgl, name);
TRACE(("dbg: getwglfunc: gpa %s: success %i\n", name, !!proc));
if (!proc)
Sys_Error("GL function %s was not found in %s\nPossibly you do not have a full enough gl implementation", name, opengldllname);
}
TRACE(("dbg: getwglfunc: glgpa %s: success %i\n", name, !!proc));
return proc;
}
HGLRC (WINAPI *qwglCreateContext)(HDC);
BOOL (WINAPI *qwglDeleteContext)(HGLRC);
HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
HDC (WINAPI *qwglGetCurrentDC)(VOID);
PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
BOOL (WINAPI *qSwapBuffers)(HDC);
BOOL (WINAPI *qwglSwapIntervalEXT) (int);
BOOL (APIENTRY *qGetDeviceGammaRamp)(HDC hDC, GLvoid *ramp);
BOOL (APIENTRY *qSetDeviceGammaRamp)(HDC hDC, GLvoid *ramp);
BOOL (APIENTRY *qwglChoosePixelFormatARB)(HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int* piFormats, UINT* nNumFormats);
qboolean GLInitialise (char *renderer)
{
if (hInstGL)
FreeModule(hInstGL);
if (hInstwgl)
FreeModule(hInstwgl);
hInstwgl=NULL;
strcpy(opengldllname, renderer);
if (*renderer)
{
Con_DPrintf ("Loading renderer dll \"%s\"", renderer);
hInstGL = LoadLibrary(opengldllname);
if (hInstGL)
Con_DPrintf (" Success\n");
else
Con_DPrintf (" Failed\n");
}
else
hInstGL = NULL;
if (!hInstGL)
{
strcpy(opengldllname, "opengl32");
Con_DPrintf ("Loading renderer dll \"%s\"", opengldllname);
hInstGL = LoadLibrary(opengldllname);
if (hInstGL)
Con_DPrintf (" Success\n");
else
Con_DPrintf (" Failed\n");
}
if (!hInstGL)
{
if (*renderer)
Con_Printf ("Couldn't load %s or %s\n", renderer, opengldllname);
else
Con_Printf ("Couldn't load %s\n", opengldllname);
return false;
}
Con_DPrintf ("Loaded renderer dll %s\n", opengldllname);
// windows dependant
qwglCreateContext = (void *)getwglfunc("wglCreateContext");
qwglDeleteContext = (void *)getwglfunc("wglDeleteContext");
qwglGetCurrentContext = (void *)getwglfunc("wglGetCurrentContext");
qwglGetCurrentDC = (void *)getwglfunc("wglGetCurrentDC");
qwglGetProcAddress = (void *)getwglfunc("wglGetProcAddress");
qwglMakeCurrent = (void *)getwglfunc("wglMakeCurrent");
qSwapBuffers = SwapBuffers;
qGetDeviceGammaRamp = (void *)getglfunc("wglGetDeviceGammaRamp3DFX");
qSetDeviceGammaRamp = (void *)getglfunc("wglSetDeviceGammaRamp3DFX");
TRACE(("dbg: GLInitialise: got wgl funcs\n"));
return true;
}
// direct draw software compatability stuff
void GLVID_HandlePause (qboolean pause)
{
}
void GLVID_ForceLockState (int lk)
{
}
void GLVID_LockBuffer (void)
{
}
void GLVID_UnlockBuffer (void)
{
}
int GLVID_ForceUnlockedAndReturnState (void)
{
return 0;
}
void GLD_BeginDirectRect (int x, int y, qbyte *pbitmap, int width, int height)
{
}
void GLD_EndDirectRect (int x, int y, int width, int height)
{
}
void CenterWindow(HWND hWndCenter, int width, int height, BOOL lefttopjustify)
{
// RECT rect;
int CenterX, CenterY;
CenterX = (GetSystemMetrics(SM_CXSCREEN) - width) / 2;
CenterY = (GetSystemMetrics(SM_CYSCREEN) - height) / 2;
if (CenterX > CenterY*2)
CenterX >>= 1; // dual screens
CenterX = (CenterX < 0) ? 0: CenterX;
CenterY = (CenterY < 0) ? 0: CenterY;
SetWindowPos (hWndCenter, NULL, CenterX, CenterY, 0, 0,
SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
}
qboolean VID_SetWindowedMode (rendererstate_t *info)
//qboolean VID_SetWindowedMode (int modenum)
{
int i;
HDC hdc;
int lastmodestate, wwidth, wheight;
RECT rect;
hdc = GetDC(NULL);
if (GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE)
{
ReleaseDC(NULL, hdc);
Con_Printf("Can't run GL in non-RGB mode\n");
return false;
}
ReleaseDC(NULL, hdc);
lastmodestate = modestate;
WindowRect.top = WindowRect.left = 0;
WindowRect.right = info->width;
WindowRect.bottom = info->height;
DIBWidth = info->width;
DIBHeight = info->height;
WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU |
WS_MINIMIZEBOX;
ExWindowStyle = 0;
WindowStyle |= WS_SIZEBOX | WS_MAXIMIZEBOX;
rect = WindowRect;
AdjustWindowRectEx(&rect, WindowStyle, FALSE, 0);
wwidth = rect.right - rect.left;
wheight = rect.bottom - rect.top;
// Create the DIB window
dibwindow = CreateWindowEx (
ExWindowStyle,
WINDOW_CLASS_NAME,
FULLENGINENAME,
WindowStyle,
rect.left, rect.top,
wwidth,
wheight,
NULL,
NULL,
global_hInstance,
NULL);
if (!dibwindow)
{
Con_Printf ("Couldn't create DIB window");
return false;
}
// Center and show the DIB window
CenterWindow(dibwindow, WindowRect.right - WindowRect.left,
WindowRect.bottom - WindowRect.top, false);
// ShowWindow (dibwindow, SW_SHOWDEFAULT);
// UpdateWindow (dibwindow);
modestate = MS_WINDOWED;
// because we have set the background brush for the window to NULL
// (to avoid flickering when re-sizing the window on the desktop),
// we clear the window to black when created, otherwise it will be
// empty while Quake starts up.
hdc = GetDC(dibwindow);
PatBlt(hdc,0,0,WindowRect.right,WindowRect.bottom,BLACKNESS);
ReleaseDC(dibwindow, hdc);
if ((i = COM_CheckParm("-conwidth")) != 0)
vid.conwidth = Q_atoi(com_argv[i+1]);
else
{
vid.conwidth = 640;
}
vid.conwidth &= 0xfff8; // make it a multiple of eight
if (vid.conwidth < 320)
vid.conwidth = 320;
// pick a conheight that matches with correct aspect
vid.conheight = vid.conwidth*3 / 4;
if ((i = COM_CheckParm("-conheight")) != 0)
vid.conheight = Q_atoi(com_argv[i+1]);
if (vid.conheight < 200)
vid.conheight = 200;
if (vid.conheight > info->height)
vid.conheight = info->height;
if (vid.conwidth > info->width)
vid.conwidth = info->width;
vid.width = vid.conwidth;
vid.height = vid.conheight;
vid.numpages = 2;
mainwindow = dibwindow;
vid_isfullscreen=false;
SendMessage (mainwindow, WM_SETICON, (WPARAM)TRUE, (LPARAM)hIcon);
SendMessage (mainwindow, WM_SETICON, (WPARAM)FALSE, (LPARAM)hIcon);
return true;
}
qboolean VID_SetFullDIBMode (rendererstate_t *info)
{
int i;
HDC hdc;
int lastmodestate, wwidth, wheight;
RECT rect;
if (leavecurrentmode && Q_strcasecmp(info->glrenderer, "D3D")) //don't do this with d3d - d3d should set it's own video mode.
{ //make windows change res.
gdevmode.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
if (info->bpp)
gdevmode.dmFields |= DM_BITSPERPEL;
if (info->rate)
gdevmode.dmFields |= DM_DISPLAYFREQUENCY;
gdevmode.dmBitsPerPel = info->bpp;
if (info->bpp && (gdevmode.dmBitsPerPel < 15))
{
Con_Printf("Forcing at least 16bpp\n");
gdevmode.dmBitsPerPel = 16;
}
gdevmode.dmDisplayFrequency = info->rate;
gdevmode.dmPelsWidth = info->width;
gdevmode.dmPelsHeight = info->height;
gdevmode.dmSize = sizeof (gdevmode);
if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
{
Con_SafePrintf((gdevmode.dmFields&DM_DISPLAYFREQUENCY)?"Windows rejected mode %i*%i*%i*%i\n":"Windows rejected mode %i*%i*%i\n", gdevmode.dmPelsWidth, gdevmode.dmPelsHeight, gdevmode.dmBitsPerPel, gdevmode.dmDisplayFrequency);
return false;
}
}
lastmodestate = modestate;
modestate = MS_FULLDIB;
WindowRect.top = WindowRect.left = 0;
WindowRect.right = info->width;
WindowRect.bottom = info->height;
DIBWidth = info->width;
DIBHeight = info->height;
WindowStyle = WS_POPUP;
ExWindowStyle = 0;
rect = WindowRect;
AdjustWindowRectEx(&rect, WindowStyle, FALSE, 0);
wwidth = rect.right - rect.left;
wheight = rect.bottom - rect.top;
// Create the DIB window
dibwindow = CreateWindowEx (
ExWindowStyle,
WINDOW_CLASS_NAME,
FULLENGINENAME,
WindowStyle,
rect.left, rect.top,
wwidth,
wheight,
NULL,
NULL,
global_hInstance,
NULL);
if (!dibwindow)
Sys_Error ("Couldn't create DIB window");
ShowWindow (dibwindow, SW_SHOWDEFAULT);
UpdateWindow (dibwindow);
// Because we have set the background brush for the window to NULL
// (to avoid flickering when re-sizing the window on the desktop), we
// clear the window to black when created, otherwise it will be
// empty while Quake starts up.
hdc = GetDC(dibwindow);
PatBlt(hdc,0,0,WindowRect.right,WindowRect.bottom,BLACKNESS);
ReleaseDC(dibwindow, hdc);
if ((i = COM_CheckParm("-conwidth")) != 0)
vid.conwidth = Q_atoi(com_argv[i+1]);
else
vid.conwidth = 640;
vid.conwidth &= 0xfff8; // make it a multiple of eight
if (vid.conwidth < 320)
vid.conwidth = 320;
// pick a conheight that matches with correct aspect
vid.conheight = vid.conwidth*3 / 4;
if ((i = COM_CheckParm("-conheight")) != 0)
vid.conheight = Q_atoi(com_argv[i+1]);
if (vid.conheight < 200)
vid.conheight = 200;
if (vid.conheight > info->height)
vid.conheight = info->height;
if (vid.conwidth > info->width)
vid.conwidth = info->width;
vid.width = vid.conwidth;
vid.height = vid.conheight;
vid.numpages = 2;
// needed because we're not getting WM_MOVE messages fullscreen on NT
window_x = 0;
window_y = 0;
vid_isfullscreen=true;
mainwindow = dibwindow;
SendMessage (mainwindow, WM_SETICON, (WPARAM)TRUE, (LPARAM)hIcon);
SendMessage (mainwindow, WM_SETICON, (WPARAM)FALSE, (LPARAM)hIcon);
return true;
}
extern int gammaworks;
static void ReleaseGL(void);
static qboolean CreateMainWindow(rendererstate_t *info)
{
qboolean stat;
if (!info->fullscreen)
{
if (_windowed_mouse.value && (key_dest == key_game || key_dest == key_menu))
{
TRACE(("dbg: GLVID_SetMode: VID_SetWindowedMode\n"));
stat = VID_SetWindowedMode(info);
IN_ActivateMouse ();
IN_HideMouse ();
}
else
{
IN_DeactivateMouse ();
IN_ShowMouse ();
TRACE(("dbg: GLVID_SetMode: VID_SetWindowedMode 2\n"));
stat = VID_SetWindowedMode(info);
}
}
else
{
TRACE(("dbg: GLVID_SetMode: VID_SetFullDIBMode\n"));
stat = VID_SetFullDIBMode(info);
IN_ActivateMouse ();
IN_HideMouse ();
}
return stat;
}
BOOL CheckForcePixelFormat(rendererstate_t *info);
void VID_UnSetMode (void);
int GLVID_SetMode (rendererstate_t *info, unsigned char *palette)
{
int temp;
qboolean stat;
MSG msg;
// HDC hdc;
TRACE(("dbg: GLVID_SetMode\n"));
// so Con_Printfs don't mess us up by forcing vid and snd updates
temp = scr_disabled_for_loading;
scr_disabled_for_loading = true;
CDAudio_Pause ();
// Set either the fullscreen or windowed mode
qwglChoosePixelFormatARB = NULL;
stat = CreateMainWindow(info);
if (stat)
{
stat = VID_AttachGL(info);
if (stat)
{
TRACE(("dbg: GLVID_SetMode: attaching gl okay\n"));
if (CheckForcePixelFormat(info))
{
HMODULE oldgl = hInstGL;
hInstGL = NULL; //don't close the gl library, just in case
VID_UnSetMode();
hInstGL = oldgl;
if (CreateMainWindow(info) && VID_AttachGL(info))
{
//we have our multisample window
}
else
{
//multisample failed
//try the origional way
if (!CreateMainWindow(info) || !VID_AttachGL(info))
{
Con_Printf("Failed to undo antialising. Giving up.\n");
return false; //eek
}
}
}
}
else
{
TRACE(("dbg: GLVID_SetMode: attaching gl failed\n"));
return false;
}
}
if (!stat)
{
TRACE(("dbg: GLVID_SetMode: VID_Set... failed\n"));
return false;
}
window_width = DIBWidth;
window_height = DIBHeight;
VID_UpdateWindowStatus ();
CDAudio_Resume ();
scr_disabled_for_loading = temp;
// now we try to make sure we get the focus on the mode switch, because
// sometimes in some systems we don't. We grab the foreground, then
// finish setting up, pump all our messages, and sleep for a little while
// to let messages finish bouncing around the system, then we put
// ourselves at the top of the z order, then grab the foreground again,
// Who knows if it helps, but it probably doesn't hurt
SetForegroundWindow (mainwindow);
VID_SetPalette (palette);
while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage (&msg);
DispatchMessage (&msg);
}
Sleep (100);
SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0,
SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW |
SWP_NOCOPYBITS);
SetForegroundWindow (mainwindow);
// fix the leftover Alt from any Alt-Tab or the like that switched us away
ClearAllStates ();
GLVID_SetPalette (palette);
vid.recalc_refdef = 1;
maindc = GetDC(mainwindow);
if (vid_desktopgamma.value)
{
HDC hDC = GetDC(GetDesktopWindow());
gammaworks = qGetDeviceGammaRamp(hDC, originalgammaramps);
ReleaseDC(GetDesktopWindow(), hDC);
}
else
gammaworks = qGetDeviceGammaRamp(maindc, originalgammaramps);
return true;
}
static void ReleaseGL(void)
{
HGLRC hRC;
HDC hDC = NULL;
if (qwglGetCurrentContext)
{
hRC = qwglGetCurrentContext();
hDC = qwglGetCurrentDC();
qwglMakeCurrent(NULL, NULL);
if (hRC)
qwglDeleteContext(hRC);
}
qwglGetCurrentContext=NULL;
if (hDC && dibwindow)
ReleaseDC(dibwindow, hDC);
}
void VID_UnSetMode (void)
{
if (mainwindow && vid_initialized)
{
GLAppActivate(false, false);
vid_canalttab = false;
ReleaseGL();
if (modestate == MS_FULLDIB)
ChangeDisplaySettings (NULL, 0);
if (maindc && dibwindow)
ReleaseDC (dibwindow, maindc);
}
if (mainwindow)
{
dibwindow=NULL;
// SendMessage(mainwindow, WM_CLOSE, 0, 0);
DestroyWindow(mainwindow);
mainwindow = NULL;
}
if (hInstGL)
{
FreeLibrary(hInstGL);
hInstGL = NULL;
}
}
/*
================
VID_UpdateWindowStatus
================
*/
void VID_UpdateWindowStatus (void)
{
window_rect.left = window_x;
window_rect.top = window_y;
window_rect.right = window_x + window_width;
window_rect.bottom = window_y + window_height;
window_center_x = (window_rect.left + window_rect.right) / 2;
window_center_y = (window_rect.top + window_rect.bottom) / 2;
IN_UpdateClipCursor ();
}
//====================================
qboolean VID_AttachGL (rendererstate_t *info)
{ //make sure we can get a valid renderer.
do
{
#ifdef USE_D3D
if (!Q_strcasecmp(info->glrenderer, "D3D"))
{
extern cvar_t gl_ztrick;
int zbpp = info->bpp > 16 ? 24 : 16;
gl_canstencil = false;
TRACE(("dbg: VID_AttachGL: D3DInitialize\n"));
D3DInitialize(); //replacement of GLInitialise, to get the function pointers set up.
if (COM_CheckParm("-zbpp"))
{
zbpp = Q_atoi(com_argv[COM_CheckParm("-zbpp")+1]);
}
TRACE(("dbg: VID_AttachGL: d3dSetMode\n"));
d3dSetMode(info->fullscreen, info->width, info->height, info->bpp, zbpp); //d3d cheats to get it's dimensions and stuff... One that we can currently live with though.
gl_ztrickdisabled |= 2; //ztrick does funny things.
Cvar_Set(&gl_ztrick, "0");
maindc = GetDC(mainwindow);
Con_Printf(S_NOTICE "OpenGL to Direct3D wrapper enabled\n"); //green to make it show.
break;
}
#endif
gl_ztrickdisabled &= ~2;
TRACE(("dbg: VID_AttachGL: GLInitialise\n"));
if (GLInitialise(info->glrenderer))
{
maindc = GetDC(mainwindow);
TRACE(("dbg: VID_AttachGL: bSetupPixelFormat\n"));
bSetupPixelFormat(maindc);
break;
}
if (!*info->glrenderer || !stricmp(info->glrenderer, "opengl32.dll") || !stricmp(info->glrenderer, "opengl32")) //go for windows system dir if we failed with the default. Should help to avoid the 3dfx problem.
{
char systemgl[MAX_OSPATH+1];
GetSystemDirectory(systemgl, sizeof(systemgl)-1);
strncat(systemgl, "\\", sizeof(systemgl)-1);
if (*info->glrenderer)
strncat(systemgl, info->glrenderer, sizeof(systemgl)-1);
else
strncat(systemgl, "opengl32.dll", sizeof(systemgl)-1);
TRACE(("dbg: VID_AttachGL: GLInitialise (system dir specific)\n"));
if (GLInitialise(systemgl))
{
maindc = GetDC(mainwindow);
TRACE(("dbg: VID_AttachGL: bSetupPixelFormat\n"));
bSetupPixelFormat(maindc);
break;
}
}
TRACE(("dbg: VID_AttachGL: failed to find a valid dll\n"));
return false;
} while(1);
TRACE(("dbg: VID_AttachGL: qwglCreateContext\n"));
baseRC = qwglCreateContext( maindc );
if (!baseRC)
{
Con_SafePrintf(S_ERROR "Could not initialize GL (wglCreateContext failed).\n\nMake sure you in are 65535 color mode, and try running -window.\n"); //green to make it show.
return false;
}
TRACE(("dbg: VID_AttachGL: qwglMakeCurrent\n"));
if (!qwglMakeCurrent( maindc, baseRC ))
{
Con_SafePrintf(S_ERROR "wglMakeCurrent failed\n"); //green to make it show.
return false;
}
TRACE(("dbg: VID_AttachGL: GL_Init\n"));
GL_Init(getglfunc);
qwglChoosePixelFormatARB = getglfunc("wglChoosePixelFormatARB");
qwglSwapIntervalEXT = getglfunc("wglSwapIntervalEXT");
if (qwglSwapIntervalEXT && *_vid_wait_override.string)
{
TRACE(("dbg: VID_AttachGL: qwglSwapIntervalEXT\n"));
qwglSwapIntervalEXT(_vid_wait_override.value);
}
_vid_wait_override.modified = false;
TRACE(("dbg: VID_AttachGL: qSwapBuffers\n"));
qglClearColor(0, 0, 0, 0);
qglClear(GL_COLOR_BUFFER_BIT);
qSwapBuffers(maindc);
if (!qGetDeviceGammaRamp) qGetDeviceGammaRamp = (void*)GetDeviceGammaRamp;
if (!qSetDeviceGammaRamp) qSetDeviceGammaRamp = (void*)SetDeviceGammaRamp;
return true;
}
/*
=================
GL_BeginRendering
=================
*/
void GL_BeginRendering (int *x, int *y, int *width, int *height)
{
*x = *y = 0;
*width = WindowRect.right - WindowRect.left;
*height = WindowRect.bottom - WindowRect.top;
// if (!wglMakeCurrent( maindc, baseRC ))
// Sys_Error ("wglMakeCurrent failed");
// glViewport (*x, *y, *width, *height);
}
qboolean screenflush;
void GL_DoSwap (void)
{
extern int mouseusedforgui;
if (!screenflush)
return;
screenflush = 0;
if (!scr_skipupdate || block_drawing)
qSwapBuffers(maindc);
if (_vid_wait_override.modified && qwglSwapIntervalEXT && *_vid_wait_override.string)
{
qwglSwapIntervalEXT(_vid_wait_override.value);
_vid_wait_override.modified = false;
}
// handle the mouse state when windowed if that's changed
if (modestate == MS_WINDOWED)
{
if (!_windowed_mouse.value)
{
if (windowed_mouse)
{
IN_DeactivateMouse ();
IN_ShowMouse ();
windowed_mouse = false;
}
}
else
{
windowed_mouse = true;
if ((key_dest == key_game||mouseusedforgui) && !mouseactive && ActiveApp)
{
IN_ActivateMouse ();
IN_HideMouse ();
}
else if (mouseactive && key_dest == key_console)
{//!(key_dest == key_game || mouseusedforgui)) {
IN_DeactivateMouse ();
IN_ShowMouse ();
}
}
}
}
void GL_EndRendering (void)
{
screenflush = true;
if (!gl_lateswap.value)
GL_DoSwap();
}
void GLVID_SetPalette (unsigned char *palette)
{
qbyte *pal;
unsigned r,g,b;
unsigned v;
unsigned short i;
unsigned *table;
extern qbyte gammatable[256];
//
// 8 8 8 encoding
//
if (vid_hardwaregamma.value)
{
// don't built in the gamma table
pal = palette;
table = d_8to24rgbtable;
for (i=0 ; i<256 ; i++)
{
r = pal[0];
g = pal[1];
b = pal[2];
pal += 3;
// v = (255<<24) + (r<<16) + (g<<8) + (b<<0);
// v = (255<<0) + (r<<8) + (g<<16) + (b<<24);
v = (255<<24) + (r<<0) + (g<<8) + (b<<16);
*table++ = v;
}
d_8to24rgbtable[255] &= 0xffffff; // 255 is transparent
}
else
{
//computer has no hardware gamma (poor suckers) increase table accordingly
pal = palette;
table = d_8to24rgbtable;
for (i=0 ; i<256 ; i++)
{
r = gammatable[pal[0]];
g = gammatable[pal[1]];
b = gammatable[pal[2]];
pal += 3;
// v = (255<<24) + (r<<16) + (g<<8) + (b<<0);
// v = (255<<0) + (r<<8) + (g<<16) + (b<<24);
v = (255<<24) + (r<<0) + (g<<8) + (b<<16);
*table++ = v;
}
d_8to24rgbtable[255] &= 0xffffff; // 255 is transparent
}
}
void GLVID_ShiftPalette (unsigned char *palette)
{
extern unsigned short ramps[3][256];
if (ActiveApp && vid_hardwaregamma.value) //this is needed because ATI drivers don't work properly (or when task-switched out).
{
if (gammaworks)
{ //we have hardware gamma applied - if we're doing a BF, we don't want to reset to the default gamma (yuck)
if (vid_desktopgamma.value)
{
HDC hDC = GetDC(GetDesktopWindow());
qSetDeviceGammaRamp (hDC, ramps);
ReleaseDC(GetDesktopWindow(), hDC);
}
else
{
qSetDeviceGammaRamp (maindc, ramps);
}
return;
}
}
}
void VID_SetDefaultMode (void)
{
IN_DeactivateMouse ();
}
void GLVID_Shutdown (void)
{
if (qSetDeviceGammaRamp)
{
if (vid_desktopgamma.value)
{
HDC hDC = GetDC(GetDesktopWindow());
qSetDeviceGammaRamp(hDC, originalgammaramps);
ReleaseDC(GetDesktopWindow(), hDC);
}
else
{
qSetDeviceGammaRamp(maindc, originalgammaramps);
}
}
qSetDeviceGammaRamp = NULL;
qGetDeviceGammaRamp = NULL;
gammaworks = false;
VID_UnSetMode();
}
//==========================================================================
#define WGL_DRAW_TO_WINDOW_ARB 0x2001
#define WGL_SUPPORT_OPENGL_ARB 0x2010
#define WGL_ACCELERATION_ARB 0x2003
#define WGL_FULL_ACCELERATION_ARB 0x2027
#define WGL_COLOR_BITS_ARB 0x2014
#define WGL_ALPHA_BITS_ARB 0x201B
#define WGL_DEPTH_BITS_ARB 0x2022
#define WGL_STENCIL_BITS_ARB 0x2023
#define WGL_DOUBLE_BUFFER_ARB 0x2011
qboolean shouldforcepixelformat;
int forcepixelformat;
BOOL CheckForcePixelFormat(rendererstate_t *info)
{
if (qwglChoosePixelFormatARB && info->multisample)
{
HDC hDC;
int valid;
float fAttributes[] = {0,0};
UINT numFormats;
int pixelformat;
int iAttributes[] = { WGL_DRAW_TO_WINDOW_ARB,GL_TRUE,
WGL_SUPPORT_OPENGL_ARB,GL_TRUE,
WGL_ACCELERATION_ARB,WGL_FULL_ACCELERATION_ARB,
WGL_COLOR_BITS_ARB,info->bpp,
WGL_ALPHA_BITS_ARB,8,
WGL_DEPTH_BITS_ARB,16,
WGL_STENCIL_BITS_ARB,8,
WGL_DOUBLE_BUFFER_ARB,GL_TRUE,
WGL_SAMPLE_BUFFERS_ARB,GL_TRUE,
WGL_SAMPLES_ARB, info->multisample, // Check For 4x Multisampling
0,0};
TRACE(("dbg: bSetupPixelFormat: attempting wglChoosePixelFormatARB (multisample 4)\n"));
hDC = GetDC(mainwindow);
valid = qwglChoosePixelFormatARB(hDC,iAttributes,fAttributes,1,&pixelformat,&numFormats);
while ((!valid || numFormats < 1) && iAttributes[19] > 1)
{ //failed, switch wgl_samples to 2
iAttributes[19] /= 2;
TRACE(("dbg: bSetupPixelFormat: attempting wglChoosePixelFormatARB (smaller multisample)\n"));
valid = qwglChoosePixelFormatARB(hDC,iAttributes,fAttributes,1,&pixelformat,&numFormats);
}
ReleaseDC(mainwindow, hDC);
if (valid && numFormats > 0)
{
shouldforcepixelformat = true;
forcepixelformat = pixelformat;
return true;
}
}
return false;
}
BOOL bSetupPixelFormat(HDC hDC)
{
static PIXELFORMATDESCRIPTOR pfd = {
sizeof(PIXELFORMATDESCRIPTOR), // size of this pfd
1, // version number
PFD_DRAW_TO_WINDOW // support window
| PFD_SUPPORT_OPENGL // support OpenGL
| PFD_DOUBLEBUFFER , // double buffered
PFD_TYPE_RGBA, // RGBA type
24, // 24-bit color depth
0, 0, 0, 0, 0, 0, // color bits ignored
0, // no alpha buffer
0, // shift bit ignored
0, // no accumulation buffer
0, 0, 0, 0, // accum bits ignored
32, // 32-bit z-buffer
8, // stencil buffer
0, // no auxiliary buffer
PFD_MAIN_PLANE, // main layer
0, // reserved
0, 0, 0 // layer masks ignored
};
int pixelformat;
TRACE(("dbg: bSetupPixelFormat: ChoosePixelFormat\n"));
if (shouldforcepixelformat && qwglChoosePixelFormatARB) //the extra && is paranoia
{
shouldforcepixelformat = false;
pixelformat = forcepixelformat;
}
else
{
if ((pixelformat = ChoosePixelFormat(hDC, &pfd)))
{
TRACE(("dbg: ChoosePixelFormat 1: worked\n"));
if (SetPixelFormat(hDC, pixelformat, &pfd))
{
TRACE(("dbg: bSetupPixelFormat: we can use the stencil buffer. woot\n"));
gl_canstencil = pfd.cStencilBits;
return TRUE;
}
}
TRACE(("dbg: ChoosePixelFormat 1: no stencil buffer for us\n"));
pfd.cStencilBits = 0;
gl_canstencil = false;
if ( (pixelformat = ChoosePixelFormat(hDC, &pfd)) == 0 )
{
Con_Printf("bSetupPixelFormat: ChoosePixelFormat failed\n");
return FALSE;
}
}
if (SetPixelFormat(hDC, pixelformat, &pfd) == FALSE)
{
Con_Printf("bSetupPixelFormat: SetPixelFormat failed\n");
return FALSE;
}
return TRUE;
}
/*
===================================================================
MAIN WINDOW
===================================================================
*/
/*
================
ClearAllStates
================
*/
void ClearAllStates (void)
{
int i;
// send an up event for each key, to make sure the server clears them all
for (i=0 ; i<256 ; i++)
{
Key_Event (i, false);
}
Key_ClearStates ();
IN_ClearStates ();
}
qboolean GLAppActivate(BOOL fActive, BOOL minimize)
/****************************************************************************
*
* Function: AppActivate
* Parameters: fActive - True if app is activating
*
* Description: If the application is activating, then swap the system
* into SYSPAL_NOSTATIC mode so that our palettes will display
* correctly.
*
****************************************************************************/
{
static BOOL sound_active;
if (ActiveApp == fActive && Minimized == minimize)
return false; //so windows doesn't crash us over and over again.
ActiveApp = fActive;
Minimized = minimize;
// enable/disable sound on focus gain/loss
if (!ActiveApp && sound_active)
{
S_BlockSound ();
sound_active = false;
}
else if (ActiveApp && !sound_active)
{
S_UnblockSound ();
sound_active = true;
}
if (fActive)
{
if (modestate != MS_WINDOWED)
{
IN_ActivateMouse ();
IN_HideMouse ();
if (vid_canalttab && vid_wassuspended) {
vid_wassuspended = false;
ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
ShowWindow(mainwindow, SW_SHOWNORMAL);
// Fix for alt-tab bug in NVidia drivers
MoveWindow (mainwindow, 0, 0, gdevmode.dmPelsWidth, gdevmode.dmPelsHeight, false);
}
}
else if ((modestate == MS_WINDOWED) && _windowed_mouse.value && (key_dest == key_game || key_dest == key_menu))
{
IN_ActivateMouse ();
IN_HideMouse ();
}
v_gamma.modified = true; //so that we can start doing palette flashes and things
}
if (!fActive)
{
if (modestate != MS_WINDOWED)
{
IN_DeactivateMouse ();
IN_ShowMouse ();
if (vid_canalttab) {
ChangeDisplaySettings (NULL, 0);
vid_wassuspended = true;
}
}
else if ((modestate == MS_WINDOWED) && _windowed_mouse.value)
{
IN_DeactivateMouse ();
IN_ShowMouse ();
}
v_gamma.modified = true; //wham bam thanks.
if (qSetDeviceGammaRamp)
{
if (vid_desktopgamma.value)
{
HDC hDC = GetDC(GetDesktopWindow());
qSetDeviceGammaRamp (hDC, originalgammaramps);
ReleaseDC(GetDesktopWindow(), hDC);
}
else
{
qSetDeviceGammaRamp(maindc, originalgammaramps);
}
}
}
vid_hardwaregamma.modified = true;
return true;
}
/* main window procedure */
LONG WINAPI GLMainWndProc (
HWND hWnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
LONG lRet = 1;
int fActive, fMinimized, temp;
extern unsigned int uiWheelMessage;
if ( uMsg == uiWheelMessage )
uMsg = WM_MOUSEWHEEL;
switch (uMsg)
{
case WM_KILLFOCUS:
if (modestate == MS_FULLDIB)
ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
break;
case WM_CREATE:
break;
case WM_MOVE:
window_x = (int) LOWORD(lParam);
window_y = (int) HIWORD(lParam);
VID_UpdateWindowStatus ();
break;
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
if (!vid_initializing)
Key_Event (MapKey(lParam), true);
break;
case WM_KEYUP:
case WM_SYSKEYUP:
if (!vid_initializing)
Key_Event (MapKey(lParam), false);
break;
case WM_SYSCHAR:
// keep Alt-Space from happening
break;
// this is complicated because Win32 seems to pack multiple mouse events into
// one update sometimes, so we always check all states and look for events
case WM_LBUTTONDOWN:
case WM_LBUTTONUP:
case WM_RBUTTONDOWN:
case WM_RBUTTONUP:
case WM_MBUTTONDOWN:
case WM_MBUTTONUP:
case WM_MOUSEMOVE:
case WM_XBUTTONDOWN:
case WM_XBUTTONUP:
temp = 0;
if (wParam & MK_LBUTTON)
temp |= 1;
if (wParam & MK_RBUTTON)
temp |= 2;
if (wParam & MK_MBUTTON)
temp |= 4;
if (wParam & MK_XBUTTON1)
temp |= 8;
if (wParam & MK_XBUTTON2)
temp |= 16;
if (wParam & MK_XBUTTON3)
temp |= 32;
if (wParam & MK_XBUTTON4)
temp |= 64;
if (wParam & MK_XBUTTON5)
temp |= 128;
if (wParam & MK_XBUTTON6)
temp |= 256;
if (wParam & MK_XBUTTON7)
temp |= 512;
if (!vid_initializing)
IN_MouseEvent (temp);
break;
// JACK: This is the mouse wheel with the Intellimouse
// Its delta is either positive or neg, and we generate the proper
// Event.
case WM_MOUSEWHEEL:
if (!vid_initializing)
{
if ((short) HIWORD(wParam) > 0)
{
Key_Event(K_MWHEELUP, true);
Key_Event(K_MWHEELUP, false);
}
else
{
Key_Event(K_MWHEELDOWN, true);
Key_Event(K_MWHEELDOWN, false);
}
}
break;
case WM_INPUT:
// raw input handling
IN_RawInput_MouseRead((HANDLE)lParam);
break;
case WM_SIZE:
if (!vid_initializing)
{
WindowRect.right = ((short*)&lParam)[0] - WindowRect.left;
WindowRect.bottom = ((short*)&lParam)[1] - WindowRect.top;
// force width/height to be updated
glwidth = WindowRect.right - WindowRect.left;
glheight = WindowRect.bottom - WindowRect.top;
Cvar_ForceCallback(&vid_conautoscale);
Cvar_ForceCallback(&vid_conwidth);
}
break;
case WM_CLOSE:
if (!vid_initializing)
if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit",
MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
{
Sys_Quit ();
}
break;
case WM_ACTIVATE:
fActive = LOWORD(wParam);
fMinimized = (BOOL) HIWORD(wParam);
if (!GLAppActivate(!(fActive == WA_INACTIVE), fMinimized))
break;//so, urm, tell me microsoft, what changed?
if (modestate == MS_FULLDIB)
ShowWindow(mainwindow, SW_SHOWNORMAL);
// fix the leftover Alt from any Alt-Tab or the like that switched us away
ClearAllStates ();
break;
case WM_DESTROY:
{
if (dibwindow)
DestroyWindow (dibwindow);
}
break;
case MM_MCINOTIFY:
lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
break;
case WM_MWHOOK:
if (!vid_initializing)
MW_Hook_Message (lParam);
break;
default:
/* pass all unhandled messages to DefWindowProc */
lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
break;
}
/* return 1 if handled message, 0 if not */
return lRet;
}
qboolean GLVID_Is8bit() {
return is8bit;
}
#define GL_SHARED_TEXTURE_PALETTE_EXT 0x81FB
void VID_Init8bitPalette()
{
// Check for 8bit Extensions and initialize them.
int i;
char thePalette[256*3];
char *oldPalette, *newPalette;
qglColorTableEXT = (void *)qwglGetProcAddress("glColorTableEXT");
if (!qglColorTableEXT || strstr(gl_extensions, "GL_EXT_shared_texture_palette") ||
COM_CheckParm("-no8bit"))
return;
Con_SafePrintf("8-bit GL extensions enabled.\n");
qglEnable( GL_SHARED_TEXTURE_PALETTE_EXT );
oldPalette = (char *) d_8to24rgbtable; //d_8to24table3dfx;
newPalette = thePalette;
for (i=0;i<256;i++) {
*newPalette++ = *oldPalette++;
*newPalette++ = *oldPalette++;
*newPalette++ = *oldPalette++;
oldPalette++;
}
qglColorTableEXT(GL_SHARED_TEXTURE_PALETTE_EXT, GL_RGB, 256, GL_RGB, GL_UNSIGNED_BYTE,
(void *) thePalette);
is8bit = TRUE;
}
static void Check_Gamma (unsigned char *pal, float usegammaval)
{
// float f, inf;
// unsigned char palette[768];
// int i;
/*
if (usegammaval)
vid_gamma = usegammaval;
else if ((i = COM_CheckParm("-gamma")) == 0) {
if ((gl_renderer && strstr(gl_renderer, "Voodoo")) ||
(gl_vendor && strstr(gl_vendor, "3Dfx")))
vid_gamma = 1;
else
vid_gamma = 0.7; // default to 0.7 on non-3dfx hardware
} else
vid_gamma = Q_atof(com_argv[i+1]);
for (i=0 ; i<768 ; i++)
{
f = pow ( (pal[i]+1)/256.0 , vid_gamma );
inf = f*255 + 0.5;
if (inf < 0)
inf = 0;
if (inf > 255)
inf = 255;
palette[i] = inf;
}
memcpy (pal, palette, sizeof(palette));
*/
}
void GLVID_DeInit (void)
{
GLVID_Shutdown();
UnregisterClass(WINDOW_CLASS_NAME, global_hInstance);
}
/*
===================
VID_Init
===================
*/
qboolean GLVID_Init (rendererstate_t *info, unsigned char *palette)
{
// qbyte *ptmp;
DEVMODE devmode;
WNDCLASS wc;
memset(&devmode, 0, sizeof(devmode));
/* Register the frame class */
wc.style = 0;
wc.lpfnWndProc = (WNDPROC)GLMainWndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = global_hInstance;
wc.hIcon = 0;
wc.hCursor = LoadCursor (NULL,IDC_ARROW);
wc.hbrBackground = NULL;
wc.lpszMenuName = 0;
wc.lpszClassName = WINDOW_CLASS_NAME;
if (!RegisterClass (&wc) )
{
Con_Printf(S_ERROR "Couldn't register window class\n");
return false;
}
hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON2));
vid_initialized = false;
vid_initializing = true;
vid.maxwarpwidth = WARP_WIDTH;
vid.maxwarpheight = WARP_HEIGHT;
vid.colormap = host_colormap;
if (hwnd_dialog)
DestroyWindow (hwnd_dialog);
Check_Gamma(palette, 0);
VID_SetPalette (palette);
if (!GLVID_SetMode (info, palette))
{
VID_UnSetMode();
return false;
}
// Check for 3DFX Extensions and initialize them.
VID_Init8bitPalette();
vid_canalttab = true;
S_Restart_f();
vid_initialized = true;
vid_initializing = false;
return true;
}
#endif
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