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engine/engine/sw/sw_vidwin.c

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#include "quakedef.h"
#ifdef SWQUAKE
#include "sw.h"
#include "winquake.h"
/*Fixup outdated windows headers*/
#ifndef WM_XBUTTONDOWN
#define WM_XBUTTONDOWN 0x020B
#define WM_XBUTTONUP 0x020C
#endif
#ifndef MK_XBUTTON1
#define MK_XBUTTON1 0x0020
#endif
#ifndef MK_XBUTTON2
#define MK_XBUTTON2 0x0040
#endif
// copied from DarkPlaces in an attempt to grab more buttons
#ifndef MK_XBUTTON3
#define MK_XBUTTON3 0x0080
#endif
#ifndef MK_XBUTTON4
#define MK_XBUTTON4 0x0100
#endif
#ifndef MK_XBUTTON5
#define MK_XBUTTON5 0x0200
#endif
#ifndef MK_XBUTTON6
#define MK_XBUTTON6 0x0400
#endif
#ifndef MK_XBUTTON7
#define MK_XBUTTON7 0x0800
#endif
#ifndef WM_INPUT
#define WM_INPUT 255
#endif
typedef struct dibinfo
{
BITMAPINFOHEADER header;
RGBQUAD acolors[256];
} dibinfo_t;
//struct
//{
HBITMAP hDIBSection;
qbyte *pDIBBase;
HDC mainhDC;
HDC hdcDIBSection;
HGDIOBJ previously_selected_GDI_obj;
int framenumber;
void *screenbuffer;
qintptr_t screenpitch;
int window_x, window_y;
unsigned int *depthbuffer;
struct
{
qboolean isfullscreen;
} w32sw;
HWND mainwindow;
void DIB_Shutdown(void)
{
if (depthbuffer)
{
BZ_Free(depthbuffer);
depthbuffer = NULL;
}
if (hdcDIBSection)
{
SelectObject(hdcDIBSection, previously_selected_GDI_obj);
DeleteDC(hdcDIBSection);
hdcDIBSection = NULL;
}
if (hDIBSection)
{
DeleteObject(hDIBSection);
hDIBSection = NULL;
pDIBBase = NULL;
}
if (mainhDC)
{
ReleaseDC(mainwindow, mainhDC);
mainhDC = 0;
}
}
qboolean DIB_Init(void)
{
dibinfo_t dibheader;
BITMAPINFO *pbmiDIB = ( BITMAPINFO * ) &dibheader;
int i;
memset( &dibheader, 0, sizeof( dibheader ) );
/*
** grab a DC
*/
if ( !mainhDC )
{
if ( ( mainhDC = GetDC( mainwindow ) ) == NULL )
return false;
}
/*
** fill in the BITMAPINFO struct
*/
pbmiDIB->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbmiDIB->bmiHeader.biWidth = vid.pixelwidth;
pbmiDIB->bmiHeader.biHeight = vid.pixelheight;
pbmiDIB->bmiHeader.biPlanes = 1;
pbmiDIB->bmiHeader.biBitCount = 32;
pbmiDIB->bmiHeader.biCompression = BI_RGB;
pbmiDIB->bmiHeader.biSizeImage = 0;
pbmiDIB->bmiHeader.biXPelsPerMeter = 0;
pbmiDIB->bmiHeader.biYPelsPerMeter = 0;
pbmiDIB->bmiHeader.biClrUsed = 0;
pbmiDIB->bmiHeader.biClrImportant = 0;
/*
** fill in the palette
*/
for ( i = 0; i < 256; i++ )
{
dibheader.acolors[i].rgbRed = ( d_8to24rgbtable[i] >> 0 ) & 0xff;
dibheader.acolors[i].rgbGreen = ( d_8to24rgbtable[i] >> 8 ) & 0xff;
dibheader.acolors[i].rgbBlue = ( d_8to24rgbtable[i] >> 16 ) & 0xff;
}
/*
** create the DIB section
*/
hDIBSection = CreateDIBSection( mainhDC,
pbmiDIB,
DIB_RGB_COLORS,
(void**)&pDIBBase,
NULL,
0 );
if ( hDIBSection == NULL )
{
Con_Printf( "DIB_Init() - CreateDIBSection failed\n" );
goto fail;
}
if (pbmiDIB->bmiHeader.biHeight < 0)
{
// bottom up
screenbuffer = pDIBBase + ( vid.pixelheight - 1 ) * vid.pixelwidth * 4;
screenpitch = -(int)vid.pixelwidth;
}
else
{
// top down
screenbuffer = pDIBBase;
screenpitch = vid.pixelwidth;
}
/*
** clear the DIB memory buffer
*/
memset( pDIBBase, 0, vid.pixelwidth * vid.pixelheight * 4);
if ( ( hdcDIBSection = CreateCompatibleDC( mainhDC ) ) == NULL )
{
Con_Printf( "DIB_Init() - CreateCompatibleDC failed\n" );
goto fail;
}
if ( ( previously_selected_GDI_obj = SelectObject( hdcDIBSection, hDIBSection ) ) == NULL )
{
Con_Printf( "DIB_Init() - SelectObject failed\n" );
goto fail;
}
depthbuffer = BZ_Malloc(vid.pixelwidth * vid.pixelheight * sizeof(*depthbuffer));
if (depthbuffer)
return true;
fail:
DIB_Shutdown();
return false;
}
void DIB_SwapBuffers(void)
{
// extern float usingstretch;
// if (usingstretch == 1)
BitBlt( mainhDC,
0, 0,
vid.pixelwidth,
vid.pixelheight,
hdcDIBSection,
0, 0,
SRCCOPY );
/* else
StretchBlt( mainhDC, //Why is StretchBlt not optimised for a scale of 2? Surly that would be a frequently used quantity?
0, 0,
vid.width*usingstretch,
vid.height*usingstretch,
hdcDIBSection,
0, 0,
vid.width, vid.height,
SRCCOPY );
*/
}
static int window_width;
static int window_height;
void SWV_UpdateWindowStatus(void)
{
POINT p;
RECT nr;
RECT WindowRect;
GetClientRect(mainwindow, &nr);
//if its bad then we're probably minimised
if (nr.right <= nr.left)
return;
if (nr.bottom <= nr.top)
return;
WindowRect = nr;
p.x = 0;
p.y = 0;
ClientToScreen(mainwindow, &p);
window_x = p.x;
window_y = p.y;
window_width = WindowRect.right - WindowRect.left;
window_height = WindowRect.bottom - WindowRect.top;
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;
INS_UpdateClipCursor ();
}
qboolean SWAppActivate(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 (vid.activeapp == fActive && Minimized == minimize)
return false; //so windows doesn't crash us over and over again.
vid.activeapp = fActive;
Minimized = minimize;
// enable/disable sound on focus gain/loss
if (!vid.activeapp && sound_active)
{
S_BlockSound ();
sound_active = false;
}
else if (vid.activeapp && !sound_active)
{
S_UnblockSound ();
sound_active = true;
}
INS_UpdateGrabs(false, vid.activeapp);
/*
if (fActive)
{
if (modestate != MS_WINDOWED)
{
if (vid_canalttab && vid_wassuspended) {
vid_wassuspended = false;
ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
ShowWindow(mainwindow, SW_SHOWNORMAL);
}
}
}
if (!fActive)
{
if (modestate != MS_WINDOWED)
{
if (vid_canalttab) {
ChangeDisplaySettings (NULL, 0);
vid_wassuspended = true;
}
}
}
*/
return true;
}
LONG WINAPI MainWndProc (
HWND hWnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
LONG lRet = 0;
int fActive, fMinimized, temp;
HDC hdc;
PAINTSTRUCT ps;
extern unsigned int uiWheelMessage;
// static int recursiveflag;
if ( uMsg == uiWheelMessage ) {
uMsg = WM_MOUSEWHEEL;
wParam <<= 16;
}
switch (uMsg)
{
case WM_CREATE:
break;
case WM_SYSCOMMAND:
// Check for maximize being hit
switch (wParam & ~0x0F)
{
case SC_MAXIMIZE:
Cbuf_AddText("vid_fullscreen 1;vid_restart\n", RESTRICT_LOCAL);
// if minimized, bring up as a window before going fullscreen,
// so MGL will have the right state to restore
/* if (Minimized)
{
force_mode_set = true;
VID_SetMode (vid_modenum, vid_curpal);
force_mode_set = false;
}
VID_SetMode ((int)vid_fullscreen_mode.value, vid_curpal);
*/ break;
case SC_SCREENSAVE:
case SC_MONITORPOWER:
if (w32sw.isfullscreen)
{
// don't call DefWindowProc() because we don't want to start
// the screen saver fullscreen
break;
}
// fall through windowed and allow the screen saver to start
default:
// if (!vid_initializing)
// {
// S_BlockSound ();
// }
lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
// if (!vid_initializing)
// {
// S_UnblockSound ();
// }
}
break;
case WM_MOVE:
SWV_UpdateWindowStatus ();
// if ((modestate == MS_WINDOWED) && !in_mode_set && !Minimized)
// VID_RememberWindowPos ();
break;
case WM_SIZE:
SWV_UpdateWindowStatus ();
/* Minimized = false;
if (!(wParam & SIZE_RESTORED))
{
if (wParam & SIZE_MINIMIZED)
Minimized = true;
}
if (!Minimized && !w32sw.isfullscreen)
{
int nt, nl;
int nw, nh;
qboolean move = false;
RECT r;
GetClientRect (hWnd, &r);
nw = (int)(r.right - r.left)&~3;
nh = (int)(r.bottom - r.top)&~3;
window_width = nw;
window_height = nh;
VID2_UpdateWindowStatus();
if (nw < 320)
{
move = true;
nw = 320;
}
if (nh < 200)
{
move = true;
nh = 200;
}
if (nh > MAXHEIGHT)
{
move = true;
nh = MAXHEIGHT;
}
if ((r.right - r.left) & 3)
move = true;
if ((r.bottom - r.top) & 3)
move = true;
GetWindowRect (hWnd, &r);
nl = r.left;
nt = r.top;
r.left =0;
r.top = 0;
r.right = nw*usingstretch;
r.bottom = nh*usingstretch;
AdjustWindowRectEx(&r, WS_OVERLAPPEDWINDOW, FALSE, 0);
if (move)
MoveWindow(hWnd, nl, nt, r.right - r.left, r.bottom - r.top, true);
else
{
if (vid.width != nw || vid.height != nh)
{
M_RemoveAllMenus(); //can cause probs
DIB_Shutdown();
vid.conwidth = vid.width = nw;//vid_stretch.value;
vid.conheight = vid.height = nh;///vid_stretch.value;
DIB_Init( &vid.buffer, &vid.rowbytes );
vid.conbuffer = vid.buffer;
vid.conrowbytes = vid.rowbytes;
if (VID_AllocBuffers(vid.width, vid.height, r_pixbytes))
D_InitCaches (vid_surfcache, vid_surfcachesize);
SCR_UpdateWholeScreen();
}
else
SCR_UpdateWholeScreen();
}
}
*/
break;
case WM_SYSCHAR:
// keep Alt-Space from happening
break;
case WM_ACTIVATE:
fActive = LOWORD(wParam);
fMinimized = (BOOL) HIWORD(wParam);
SWAppActivate(!(fActive == WA_INACTIVE), fMinimized);
// fix the leftover Alt from any Alt-Tab or the like that switched us away
// ClearAllStates ();
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// if (!in_mode_set && host_initialized)
// SCR_UpdateWholeScreen ();
EndPaint(hWnd, &ps);
break;
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
// if (!vid_initializing)
INS_TranslateKeyEvent(wParam, lParam, true, 0, false);
break;
case WM_KEYUP:
case WM_SYSKEYUP:
// if (!vid_initializing)
INS_TranslateKeyEvent(wParam, lParam, false, 0, false);
break;
case WM_APPCOMMAND:
lRet = INS_AppCommand(lParam);
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:
// if (!vid_initializing)
{
temp = 0;
if (wParam & MK_LBUTTON)
temp |= 1;
if (wParam & MK_RBUTTON)
temp |= 2;
if (wParam & MK_MBUTTON)
temp |= 4;
// extra buttons
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;
INS_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 ((short) HIWORD(wParam) > 0)
{
Key_Event(0, K_MWHEELUP, 0, true);
Key_Event(0, K_MWHEELUP, 0, false);
}
else
{
Key_Event(0, K_MWHEELDOWN, 0, true);
Key_Event(0, K_MWHEELDOWN, 0, false);
}
}
break;
case WM_INPUT:
// raw input handling
INS_RawInput_Read((HANDLE)lParam);
break;
case WM_DEVICECHANGE:
COM_AddWork(WG_MAIN, INS_DeviceChanged, NULL, NULL, uMsg, 0);
lRet = TRUE;
break;
/* case WM_DISPLAYCHANGE:
if (!in_mode_set && (modestate == MS_WINDOWED) && !vid_fulldib_on_focus_mode)
{
force_mode_set = true;
VID_SetMode (vid_modenum, vid_curpal);
force_mode_set = false;
}
break;
*/
case WM_CLOSE:
// this causes Close in the right-click task bar menu not to work, but right
// now bad things happen if Close is handled in that case (garbage and a
// crash on Win95)
// if (!vid_initializing)
{
if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit",
MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
{
Cbuf_AddText("\nquit\n", RESTRICT_LOCAL);
}
}
break;
#ifdef HAVE_CDPLAYER
case MM_MCINOTIFY:
lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
break;
#endif
default:
/* pass all unhandled messages to DefWindowProc */
lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
break;
}
/* return 0 if handled message, 1 if not */
return lRet;
}
/*
** VID_CreateWindow
*/
#define WINDOW_CLASS_NAME FULLENGINENAME
#define WINDOW_TITLE_NAME FULLENGINENAME
void VID_CreateWindow(int width, int height, qboolean fullscreen)
{
WNDCLASS wc;
RECT r;
int x, y, w, h;
int exstyle;
int stylebits;
if (fullscreen)
{
exstyle = WS_EX_TOPMOST;
stylebits = WS_POPUP;
}
else
{
exstyle = 0;
stylebits = WS_OVERLAPPEDWINDOW;
}
/* 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 = (void *)COLOR_GRAYTEXT;
wc.lpszMenuName = 0;
wc.lpszClassName = WINDOW_CLASS_NAME;
RegisterClass(&wc);
r.left = 0;
r.top = 0;
r.right = width;
r.bottom = height;
AdjustWindowRectEx (&r, stylebits, FALSE, exstyle);
window_rect = r;
w = r.right - r.left;
h = r.bottom - r.top;
x = 0;//vid_xpos.value;
y = 0;//vid_ypos.value;
mainwindow = CreateWindowEx(
exstyle,
WINDOW_CLASS_NAME,
WINDOW_TITLE_NAME,
stylebits,
x, y, w, h,
NULL,
NULL,
global_hInstance,
NULL);
if (!mainwindow)
Sys_Error("Couldn't create window");
ShowWindow(mainwindow, SW_SHOWNORMAL);
UpdateWindow(mainwindow);
SetForegroundWindow(mainwindow);
SetFocus(mainwindow);
SWV_UpdateWindowStatus();
}
void SW_VID_UpdateViewport(wqcom_t *com)
{
com->viewport.cbuf = screenbuffer;
com->viewport.dbuf = depthbuffer;
com->viewport.width = vid.pixelwidth;
com->viewport.height = vid.pixelheight;
com->viewport.stride = screenpitch;
com->viewport.framenum = framenumber;
}
void SW_VID_SwapBuffers(void)
{
extern cvar_t vid_conautoscale;
DIB_SwapBuffers();
framenumber++;
INS_UpdateGrabs(false, vid.activeapp);
// memset( pDIBBase, 0, vid.pixelwidth * vid.pixelheight * 4);
if (window_width != vid.pixelwidth || window_height != vid.pixelheight)
{
DIB_Shutdown();
vid.pixelwidth = window_width;
vid.pixelheight = window_height;
if (!DIB_Init())
Sys_Error("resize reinitialization error");
Cvar_ForceCallback(&vid_conautoscale);
}
}
qboolean SW_VID_Init(rendererstate_t *info, unsigned char *palette)
{
vid.pixelwidth = info->width;
vid.pixelheight = info->height;
if (info->fullscreen) //don't do this with d3d - d3d should set it's own video mode.
{ //make windows change res.
DEVMODE gdevmode;
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", (int)gdevmode.dmPelsWidth, (int)gdevmode.dmPelsHeight, (int)gdevmode.dmBitsPerPel, (int)gdevmode.dmDisplayFrequency);
return false;
}
}
VID_CreateWindow(vid.pixelwidth, vid.pixelheight, info->fullscreen);
if (!DIB_Init())
return false;
return true;
}
void SW_VID_DeInit(void)
{
Image_Shutdown();
DIB_Shutdown();
DestroyWindow(mainwindow);
ChangeDisplaySettings (NULL, 0);
}
qboolean SW_VID_ApplyGammaRamps (unsigned int gammarampsize, unsigned short *ramps)
{
return false;
}
char *SW_VID_GetRGBInfo(int *bytestride, int *truevidwidth, int *truevidheight, enum uploadfmt *fmt)
{
char *buf = NULL;
char *src, *dst;
int w, h;
buf = BZ_Malloc((vid.pixelwidth * vid.pixelheight * 3));
dst = buf;
for (h = 0; h < vid.pixelheight; h++)
{
for (w = 0, src = (char*)screenbuffer + (h * vid.pixelwidth*4); w < vid.pixelwidth; w++, dst += 3, src += 4)
{
dst[0] = src[2];
dst[1] = src[1];
dst[2] = src[0];
}
}
*bytestride = vid.pixelwidth*3;
*truevidwidth = vid.pixelwidth;
*truevidheight = vid.pixelheight;
*fmt = TF_BGR24;
return buf;
}
void SW_VID_SetWindowCaption(const char *msg)
{
}
#endif
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