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quakeforge/libs/video/targets/vid_wgl.c

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/*
vid_wgl.c
Win32 WGL vid component
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
static __attribute__ ((used)) const char rcsid[] =
"$Id$";
#include "winquake.h"
#include "QF/cdaudio.h"
#include "QF/cmd.h"
#include "QF/console.h"
#include "QF/cvar.h"
#include "QF/input.h"
#include "QF/keys.h"
#include "QF/qargs.h"
#include "QF/qendian.h"
#include "QF/quakefs.h"
#include "QF/screen.h"
#include "QF/sound.h"
#include "QF/sys.h"
#include "QF/va.h"
#include "QF/vid.h"
#include "QF/GL/funcs.h"
#include "QF/GL/qf_vid.h"
#include "compat.h"
#include "in_win.h"
#include "r_cvar.h"
#include "win32/resources/resource.h"
#include "sbar.h"
extern const char *gl_renderer;
HWND mainwindow;
qboolean win_canalttab = false;
modestate_t modestate = MS_UNINIT;
RECT window_rect;
DEVMODE win_gdevmode;
int window_center_x, window_center_y, window_x, window_y, window_width,
window_height;
static HGLRC (GLAPIENTRY *qf_wglCreateContext) (HDC);
static BOOL (GLAPIENTRY *qf_wglDeleteContext) (HGLRC);
static HGLRC (GLAPIENTRY *qf_wglGetCurrentContext) (void);
static HDC (GLAPIENTRY *qf_wglGetCurrentDC) (void);
static BOOL (GLAPIENTRY *qf_wglMakeCurrent) (HDC, HGLRC);
#define MAX_MODE_LIST 30
#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
#define MODE_WINDOWED 0
#define NO_MODE (MODE_WINDOWED - 1)
#define MODE_FULLSCREEN_DEFAULT (MODE_WINDOWED + 1)
static int windowed_mouse;
static HICON hIcon;
static RECT WindowRect;
static DWORD WindowStyle;
static qboolean fullsbardraw = true;
static HDC maindc;
static void GL_Init (void);
static void * (WINAPI *glGetProcAddress) (const char *symbol) = NULL;
void *
QFGL_GetProcAddress (void *handle, const char *name)
{
void *glfunc = NULL;
if (glGetProcAddress)
glfunc = glGetProcAddress (name);
if (!glfunc)
glfunc = GetProcAddress (handle, name);
return glfunc;
}
void *
QFGL_LoadLibrary (void)
{
void *handle;
if (!(handle = LoadLibrary (gl_driver->string)))
Sys_Error ("Couldn't load OpenGL library %s!", gl_driver->string);
glGetProcAddress = (void *(WINAPI *)(const char*)) GetProcAddress (handle, "wglGetProcAddress");
return handle;
}
//====================================
static void
CenterWindow (HWND hWndCenter, int width, int height, BOOL lefttopjustify)
{
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);
}
static qboolean
VID_SetWindowedMode ( void )
{
HDC hdc;
int width, height;
RECT rect;
WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU |
WS_MINIMIZEBOX | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
rect = WindowRect;
AdjustWindowRect (&rect, WindowStyle, FALSE);
width = rect.right - rect.left;
height = rect.bottom - rect.top;
// Create the window
mainwindow = CreateWindow ("QuakeForge", PACKAGE_NAME,
WindowStyle, rect.left, rect.top, width, height,
NULL, NULL, global_hInstance, NULL);
if (!mainwindow)
Sys_Error ("Couldn't create DIB window (%lx)", GetLastError ());
// Center and show the window
CenterWindow (mainwindow, WindowRect.right - WindowRect.left,
WindowRect.bottom - WindowRect.top, false);
ShowWindow (mainwindow, SW_SHOWDEFAULT);
UpdateWindow (mainwindow);
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 (mainwindow);
PatBlt (hdc, 0, 0, WindowRect.right, WindowRect.bottom, BLACKNESS);
ReleaseDC (mainwindow, hdc);
vid.numpages = 2;
if(hIcon) {
SendMessage (mainwindow, WM_SETICON, (WPARAM) TRUE, (LPARAM) hIcon);
SendMessage (mainwindow, WM_SETICON, (WPARAM) FALSE, (LPARAM) hIcon);
}
return true;
}
static qboolean
VID_SetFullDIBMode ( void )
{
HDC hdc;
int width, height;
RECT rect;
if (ChangeDisplaySettings (&win_gdevmode, CDS_FULLSCREEN)
!= DISP_CHANGE_SUCCESSFUL)
Sys_Error ("Couldn't set fullscreen DIB mode (%lx)", GetLastError());
// FIXME: some drivers have broken FS popup window handling until I find a
// way around it, or find some other cause for it this is a way to avoid it
if (COM_CheckParm ("-brokenpopup"))
WindowStyle = 0;
else
WindowStyle = WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
rect = WindowRect;
AdjustWindowRect (&rect, WindowStyle, FALSE);
width = rect.right - rect.left;
height = rect.bottom - rect.top;
// Create the DIB window
mainwindow = CreateWindow ("QuakeForge", "GLQuakeWorld", WindowStyle,
rect.left, rect.top, width, height, NULL, NULL,
global_hInstance, NULL);
if (!mainwindow)
Sys_Error ("Couldn't create DIB window (%lx)",GetLastError());
ShowWindow (mainwindow, SW_SHOWDEFAULT);
UpdateWindow (mainwindow);
// 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 (mainwindow);
PatBlt (hdc, 0, 0, WindowRect.right, WindowRect.bottom, BLACKNESS);
ReleaseDC (mainwindow, hdc);
vid.numpages = 2;
// needed because we're not getting WM_MOVE messages fullscreen on NT
window_x = 0;
window_y = 0;
if (hIcon) {
SendMessage (mainwindow, WM_SETICON, (WPARAM) TRUE, (LPARAM) hIcon);
SendMessage (mainwindow, WM_SETICON, (WPARAM) FALSE, (LPARAM) hIcon);
}
return true;
}
static int
VID_SetMode (unsigned char *palette)
{
qboolean stat = 0;
MSG msg;
// so Con_Printfs don't mess us up by forcing vid and snd updates
CDAudio_Pause ();
WindowRect.top = WindowRect.left = 0;
WindowRect.right = vid_width->int_val;
WindowRect.bottom = vid_height->int_val;
window_width = vid_width->int_val;
window_height = vid_height->int_val;
// Set either the fullscreen or windowed mode
if (!vid_fullscreen->int_val) {
if (in_grab->int_val && key_dest == key_game) {
stat = VID_SetWindowedMode ();
IN_ActivateMouse ();
IN_HideMouse ();
} else {
IN_DeactivateMouse ();
IN_ShowMouse ();
stat = VID_SetWindowedMode ();
}
} else {
stat = VID_SetFullDIBMode ();
IN_ActivateMouse ();
IN_HideMouse ();
}
VID_UpdateWindowStatus (window_x, window_y);
CDAudio_Resume ();
if (!stat) {
Sys_Error ("Couldn't set video mode");
}
// 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
IN_ClearStates ();
Sys_Printf ("Video mode %ix%i initialized.\n", vid_width->int_val,
vid_height->int_val);
VID_SetPalette (palette);
vid.recalc_refdef = 1;
return true;
}
void
VID_UpdateWindowStatus (int w_x, int w_y)
{
window_rect.left = window_x = w_x;
window_rect.top = window_y = w_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 ();
}
static void
GL_Init (void)
{
GL_Init_Common ();
if (strnicmp (gl_renderer, "PowerVR", 7) == 0)
fullsbardraw = true;
}
void
GL_EndRendering (void)
{
if (!scr_skipupdate) {
qfglFinish ();
SwapBuffers (maindc);
}
// handle the mouse state when windowed if that's changed
if (!vid_fullscreen->int_val) {
if (!in_grab->int_val) {
if (windowed_mouse) {
IN_DeactivateMouse ();
IN_ShowMouse ();
windowed_mouse = false;
}
} else {
windowed_mouse = true;
if (key_dest == key_game && !in_mouse_avail && ActiveApp) {
IN_ActivateMouse ();
IN_HideMouse ();
} else if (in_mouse_avail && key_dest != key_game) {
IN_DeactivateMouse ();
IN_ShowMouse ();
}
}
}
}
void
VID_Shutdown (void)
{
HGLRC hRC;
HDC hDC;
int i;
GLuint temp[8192];
#ifdef SPLASH_SCREEN
if(hwnd_dialog)
DestroyWindow (hwnd_dialog);
#endif
if (vid.initialized) {
win_canalttab = false;
hRC = qf_wglGetCurrentContext ();
hDC = qf_wglGetCurrentDC ();
qf_wglMakeCurrent (NULL, NULL);
// LordHavoc: free textures before closing (may help NVIDIA)
for (i = 0; i < 8192; i++)
temp[i] = i + 1;
qfglDeleteTextures (8192, temp);
if (hRC)
qf_wglDeleteContext (hRC);
if (hDC && mainwindow)
ReleaseDC (mainwindow, hDC);
if (vid_fullscreen->int_val)
ChangeDisplaySettings (NULL, 0);
if (maindc && mainwindow)
ReleaseDC (mainwindow, maindc);
AppActivate (false, false);
}
}
//==========================================================================
static BOOL
bSetupPixelFormat (HDC hDC)
{
PIXELFORMATDESCRIPTOR pfd ;
int pixelformat;
memset (&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DOUBLEBUFFER | PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = win_gdevmode.dmBitsPerPel ;
pfd.cDepthBits = 32;
pfd.iLayerType = PFD_MAIN_PLANE;
if ((pixelformat = ChoosePixelFormat (hDC, &pfd)) == 0) {
MessageBox (NULL, "ChoosePixelFormat failed", "Error", MB_OK);
return FALSE;
}
if (SetPixelFormat (hDC, pixelformat, &pfd) == FALSE) {
MessageBox (NULL, "SetPixelFormat failed", "Error", MB_OK);
return FALSE;
}
return TRUE;
}
void
VID_Init (byte *palette, byte *colormap)
{
BOOL stat;
WORD bpp, vid_mode;
HDC hdc;
HGLRC baseRC;
DWORD lasterror;
WNDCLASS wc;
vid_fullscreen = Cvar_Get ("vid_fullscreen", "0", CVAR_ROM | CVAR_ARCHIVE,
NULL, "Run WGL client at fullscreen");
GLF_Init ();
qf_wglCreateContext = QFGL_ProcAddress (libgl_handle, "wglCreateContext",
true);
qf_wglDeleteContext = QFGL_ProcAddress (libgl_handle, "wglDeleteContext",
true);
qf_wglGetCurrentContext = QFGL_ProcAddress (libgl_handle,
"wglGetCurrentContext", true);
qf_wglGetCurrentDC = QFGL_ProcAddress (libgl_handle, "wglGetCurrentDC",
true);
qf_wglMakeCurrent = QFGL_ProcAddress (libgl_handle, "wglMakeCurrent",
true);
memset (&win_gdevmode, 0, sizeof (win_gdevmode));
hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
// Register the frame class
wc.style = 0;
wc.lpfnWndProc = (WNDPROC) MainWndProc;
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 = "QuakeForge";
if (!RegisterClass (&wc))
Sys_Error ("Couldn't register window class (%lx)", GetLastError ());
VID_GetWindowSize (640, 480);
if (!vid_fullscreen->int_val) {
hdc = GetDC (NULL);
if (GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE) {
Sys_Error ("Can't run in non-RGB mode");
}
ReleaseDC (NULL, hdc);
} else {
if (COM_CheckParm ("-bpp")) {
bpp = atoi (com_argv[COM_CheckParm ("-bpp") + 1]);
} else {
bpp = 16;
}
vid_mode = 0;
do {
stat = EnumDisplaySettings (NULL, vid_mode, &win_gdevmode);
if ((win_gdevmode.dmBitsPerPel == bpp)
&& (win_gdevmode.dmPelsWidth == vid.width)
&& (win_gdevmode.dmPelsHeight == vid.height)) {
win_gdevmode.dmFields = (DM_BITSPERPEL | DM_PELSWIDTH
| DM_PELSHEIGHT);
if (ChangeDisplaySettings (&win_gdevmode,
CDS_TEST | CDS_FULLSCREEN)
== DISP_CHANGE_SUCCESSFUL) {
break;
}
}
vid_mode++;
} while (stat);
if (!stat)
Sys_Error ("Couldn't get requested resolution (%i, %i, %i)",
vid_width->int_val, vid_height->int_val, bpp);
}
vid.maxwarpwidth = WARP_WIDTH;
vid.maxwarpheight = WARP_HEIGHT;
vid.colormap8 = vid_colormap = colormap;
vid.fullbright = 256 - vid.colormap8[256 * VID_GRADES];
#ifdef SPLASH_SCREEN
if(hwnd_dialog)
DestroyWindow (hwnd_dialog);
#endif
VID_SetMode (palette);
maindc = GetDC (mainwindow);
bSetupPixelFormat (maindc);
baseRC = qf_wglCreateContext (maindc);
if (!baseRC) {
lasterror=GetLastError();
if (maindc && mainwindow)
ReleaseDC (mainwindow, maindc);
Sys_Error ("Could not initialize GL (wglCreateContext failed).\n\n"
"Make sure you are in 65535 color mode, and try running "
"with -window.\n"
"Error code: (%lx)", lasterror);
}
if (!qf_wglMakeCurrent (maindc, baseRC)) {
lasterror = GetLastError ();
if (baseRC)
qf_wglDeleteContext (baseRC);
if (maindc && mainwindow)
ReleaseDC (mainwindow, maindc);
Sys_Error ("wglMakeCurrent failed (%lx)", lasterror);
}
GL_Init ();
VID_InitGamma (palette);
VID_Init8bitPalette ();
VID_SetPalette (vid.palette);
vid.initialized = true;
win_canalttab = true;
if (COM_CheckParm ("-nofullsbar"))
fullsbardraw = false;
}
void
VID_Init_Cvars ()
{
}
void
VID_SetCaption (const char *text)
{
if (text && *text) {
char *temp = strdup (text);
SetWindowText (mainwindow,
(LPSTR) va ("%s: %s", PACKAGE_STRING, temp));
free (temp);
} else {
SetWindowText (mainwindow, (LPSTR) va ("%s", PACKAGE_STRING));
}
}
//static WORD systemgammaramps[3][256];
static WORD currentgammaramps[3][256];
qboolean
VID_SetGamma (double gamma)
{
int i;
HDC hdc = GetDC (NULL);
for (i = 0; i < 256; i++) {
currentgammaramps[2][i] = currentgammaramps[1][i] =
currentgammaramps[0][i] = gammatable[i] * 256;
}
i = SetDeviceGammaRamp (hdc, &currentgammaramps[0][0]);
ReleaseDC (NULL, hdc);
return i;
}
#if 0
static void
VID_SaveGamma (void)
{
HDC hdc = GetDC (NULL);
GetDeviceGammaRamp (hdc, &systemgammaramps[0][0]);
ReleaseDC (NULL, hdc);
}
static void
VID_RestoreGamma (void)
{
HDC hdc = GetDC (NULL);
SetDeviceGammaRamp (hdc, &systemgammaramps[0][0]);
ReleaseDC (NULL, hdc);
}
#endif
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