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wine/dlls/x11drv/dga2.c
Alexandre Julliard 94846a39dc Use a table of handlers to dispatch X events and get rid of the 
special casing for DGA and tablet events.
Unify the declarations of all the event handlers.
2005-02-26 17:49:38 +00:00

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/*
* DirectDraw DGA2 interface
*
* Copyright 2001 TransGaming Technologies, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#ifdef HAVE_LIBXXF86DGA2
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include <X11/Xlib.h>
#include <X11/extensions/xf86dga.h>
#include "x11drv.h"
#include "x11ddraw.h"
#include "dga2.h"
#include "windef.h"
#include "wingdi.h"
#include "ddrawi.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
extern int usedga;
LPDDHALMODEINFO xf86dga2_modes;
unsigned xf86dga2_mode_count;
HWND DGAhwnd = 0;
static XDGAMode* modes;
static void convert_mode(XDGAMode *mode, LPDDHALMODEINFO info)
{
info->dwWidth = mode->viewportWidth;
info->dwHeight = mode->viewportHeight;
info->wRefreshRate = mode->verticalRefresh;
info->lPitch = mode->bytesPerScanline;
info->dwBPP = (mode->depth < 24) ? mode->depth : mode->bitsPerPixel;
info->wFlags = (mode->depth == 8) ? DDMODEINFO_PALETTIZED : 0;
info->dwRBitMask = mode->redMask;
info->dwGBitMask = mode->greenMask;
info->dwBBitMask = mode->blueMask;
info->dwAlphaBitMask = 0;
TRACE(" width=%ld, height=%ld, bpp=%ld, refresh=%d\n",
info->dwWidth, info->dwHeight, info->dwBPP, info->wRefreshRate);
}
static int DGA2ErrorHandler(Display *dpy, XErrorEvent *event, void *arg)
{
return 1;
}
static void X11DRV_DGAKeyPressEvent( HWND hwnd, XEvent *xev )
{
/* Fill a XKeyEvent to send to EVENT_Key */
XDGAKeyEvent *event = (XDGAKeyEvent *)xev;
XEvent ke;
ke.xkey.type = KeyPress;
ke.xkey.serial = event->serial;
ke.xkey.send_event = FALSE;
ke.xkey.display = event->display;
ke.xkey.window = 0;
ke.xkey.root = 0;
ke.xkey.subwindow = 0;
ke.xkey.time = event->time;
ke.xkey.x = -1;
ke.xkey.y = -1;
ke.xkey.x_root = -1;
ke.xkey.y_root = -1;
ke.xkey.state = event->state;
ke.xkey.keycode = event->keycode;
ke.xkey.same_screen = TRUE;
X11DRV_KeyEvent( 0, &ke );
}
static void X11DRV_DGAKeyReleaseEvent( HWND hwnd, XEvent *xev )
{
/* Fill a XKeyEvent to send to EVENT_Key */
XDGAKeyEvent *event = (XDGAKeyEvent *)xev;
XEvent ke;
ke.xkey.type = KeyRelease;
ke.xkey.serial = event->serial;
ke.xkey.send_event = FALSE;
ke.xkey.display = event->display;
ke.xkey.window = 0;
ke.xkey.root = 0;
ke.xkey.subwindow = 0;
ke.xkey.time = event->time;
ke.xkey.x = -1;
ke.xkey.y = -1;
ke.xkey.x_root = -1;
ke.xkey.y_root = -1;
ke.xkey.state = event->state;
ke.xkey.keycode = event->keycode;
ke.xkey.same_screen = TRUE;
X11DRV_KeyEvent( 0, &ke );
}
void X11DRV_XF86DGA2_Init(void)
{
int nmodes, major, minor, i, event_base, error_base;
Bool ok;
TRACE("\n");
if (xf86dga2_modes) return; /* already initialized? */
/* if in desktop mode, don't use DGA */
if (root_window != DefaultRootWindow(gdi_display)) return;
if (!usedga) return;
wine_tsx11_lock();
ok = XDGAQueryExtension(gdi_display, &event_base, &error_base);
if (ok)
{
X11DRV_expect_error(gdi_display, DGA2ErrorHandler, NULL);
ok = XDGAQueryVersion(gdi_display, &major, &minor);
if (X11DRV_check_error()) ok = FALSE;
}
wine_tsx11_unlock();
if (!ok) return;
if (major < 2) return; /* only bother with DGA 2+ */
/* test that it works */
wine_tsx11_lock();
X11DRV_expect_error(gdi_display, DGA2ErrorHandler, NULL);
ok = XDGAOpenFramebuffer(gdi_display, DefaultScreen(gdi_display));
if (X11DRV_check_error()) ok = FALSE;
if (ok)
{
XDGACloseFramebuffer(gdi_display, DefaultScreen(gdi_display));
/* retrieve modes */
modes = XDGAQueryModes(gdi_display, DefaultScreen(gdi_display), &nmodes);
if (!modes) ok = FALSE;
}
else WARN("disabling XF86DGA2 (insufficient permissions?)\n");
wine_tsx11_unlock();
if (!ok) return;
TRACE("DGA modes: count=%d\n", nmodes);
xf86dga2_mode_count = nmodes+1;
xf86dga2_modes = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DDHALMODEINFO) * (nmodes+1));
/* make dummy mode for exiting DGA */
memset(&xf86dga2_modes[0], 0, sizeof(xf86dga2_modes[0]));
/* convert modes to DDHALMODEINFO format */
for (i=0; i<nmodes; i++)
convert_mode(&modes[i], &xf86dga2_modes[i+1]);
/* register event handlers */
X11DRV_register_event_handler( event_base + MotionNotify, X11DRV_DGAMotionEvent );
X11DRV_register_event_handler( event_base + ButtonPress, X11DRV_DGAButtonPressEvent );
X11DRV_register_event_handler( event_base + ButtonRelease, X11DRV_DGAButtonReleaseEvent );
X11DRV_register_event_handler( event_base + KeyPress, X11DRV_DGAKeyPressEvent );
X11DRV_register_event_handler( event_base + KeyRelease, X11DRV_DGAKeyReleaseEvent );
TRACE("Enabling XF86DGA2 mode\n");
}
void X11DRV_XF86DGA2_Cleanup(void)
{
wine_tsx11_lock();
if (modes) XFree(modes);
wine_tsx11_unlock();
}
static XDGADevice *dga_dev;
static VIDMEM dga_mem = {
VIDMEM_ISRECTANGULAR | VIDMEM_ISHEAP
};
static DWORD PASCAL X11DRV_XF86DGA2_SetMode(LPDDHAL_SETMODEDATA data)
{
LPDDRAWI_DIRECTDRAW_LCL ddlocal = data->lpDD->lpExclusiveOwner;
DWORD vram;
Display *display = gdi_display;
data->ddRVal = DD_OK;
wine_tsx11_lock();
if (data->dwModeIndex) {
/* enter DGA */
XDGADevice *new_dev = NULL;
if (dga_dev || XDGAOpenFramebuffer(display, DefaultScreen(display)))
new_dev = XDGASetMode(display, DefaultScreen(display), modes[data->dwModeIndex-1].num);
if (new_dev) {
XDGASetViewport(display, DefaultScreen(display), 0, 0, XDGAFlipImmediate);
if (dga_dev) {
VirtualFree(dga_dev->data, 0, MEM_RELEASE);
XFree(dga_dev);
} else {
XDGASelectInput(display, DefaultScreen(display),
KeyPressMask|KeyReleaseMask|
ButtonPressMask|ButtonReleaseMask|
PointerMotionMask);
DGAhwnd = (HWND)ddlocal->hWnd;
}
dga_dev = new_dev;
vram = dga_dev->mode.bytesPerScanline * dga_dev->mode.imageHeight;
VirtualAlloc(dga_dev->data, vram, MEM_SYSTEM, PAGE_READWRITE);
dga_mem.fpStart = (FLATPTR)dga_dev->data;
dga_mem.u1.dwWidth = dga_dev->mode.bytesPerScanline;
dga_mem.u2.dwHeight = dga_dev->mode.imageHeight;
X11DRV_DDHAL_SwitchMode(data->dwModeIndex, dga_dev->data, &dga_mem);
X11DRV_DD_IsDirect = TRUE;
}
else {
ERR("failed\n");
if (!dga_dev) XDGACloseFramebuffer(display, DefaultScreen(display));
data->ddRVal = DDERR_GENERIC;
}
}
else if (dga_dev) {
/* exit DGA */
X11DRV_DD_IsDirect = FALSE;
X11DRV_DDHAL_SwitchMode(0, NULL, NULL);
XDGASetMode(display, DefaultScreen(display), 0);
VirtualFree(dga_dev->data, 0, MEM_RELEASE);
DGAhwnd = 0;
XFree(dga_dev);
XDGACloseFramebuffer(display, DefaultScreen(display));
dga_dev = NULL;
}
wine_tsx11_unlock();
return DDHAL_DRIVER_HANDLED;
}
static LPDDHAL_CREATESURFACE X11DRV_XF86DGA2_old_create_surface;
static DWORD PASCAL X11DRV_XF86DGA2_CreateSurface(LPDDHAL_CREATESURFACEDATA data)
{
LPDDRAWI_DDRAWSURFACE_LCL lcl = *data->lplpSList;
LPDDRAWI_DDRAWSURFACE_GBL gbl = lcl->lpGbl;
LPDDSURFACEDESC2 desc = (LPDDSURFACEDESC2)data->lpDDSurfaceDesc;
HRESULT hr = DDHAL_DRIVER_NOTHANDLED;
if (X11DRV_XF86DGA2_old_create_surface)
hr = X11DRV_XF86DGA2_old_create_surface(data);
if (desc->ddsCaps.dwCaps & (DDSCAPS_PRIMARYSURFACE | DDSCAPS_BACKBUFFER)) {
gbl->fpVidMem = 0; /* tell ddraw to allocate the memory */
hr = DDHAL_DRIVER_HANDLED;
}
return hr;
}
static DWORD PASCAL X11DRV_XF86DGA2_CreatePalette(LPDDHAL_CREATEPALETTEDATA data)
{
Display *display = gdi_display;
wine_tsx11_lock();
data->lpDDPalette->u1.dwReserved1 = XDGACreateColormap(display, DefaultScreen(display),
dga_dev, AllocAll);
wine_tsx11_unlock();
if (data->lpColorTable)
X11DRV_DDHAL_SetPalEntries(data->lpDDPalette->u1.dwReserved1, 0, 256,
data->lpColorTable);
data->ddRVal = DD_OK;
return DDHAL_DRIVER_HANDLED;
}
static DWORD PASCAL X11DRV_XF86DGA2_Flip(LPDDHAL_FLIPDATA data)
{
Display *display = gdi_display;
if (data->lpSurfCurr == X11DRV_DD_Primary) {
DWORD ofs = data->lpSurfCurr->lpGbl->fpVidMem - dga_mem.fpStart;
wine_tsx11_lock();
XDGASetViewport(display, DefaultScreen(display),
(ofs % dga_dev->mode.bytesPerScanline)*8/dga_dev->mode.bitsPerPixel,
ofs / dga_dev->mode.bytesPerScanline,
XDGAFlipImmediate);
wine_tsx11_unlock();
}
data->ddRVal = DD_OK;
return DDHAL_DRIVER_HANDLED;
}
static DWORD PASCAL X11DRV_XF86DGA2_SetPalette(LPDDHAL_SETPALETTEDATA data)
{
Display *display = gdi_display;
if ((data->lpDDSurface == X11DRV_DD_Primary) &&
data->lpDDPalette && data->lpDDPalette->u1.dwReserved1)
{
wine_tsx11_lock();
XDGAInstallColormap(display, DefaultScreen(display), data->lpDDPalette->u1.dwReserved1);
wine_tsx11_unlock();
}
data->ddRVal = DD_OK;
return DDHAL_DRIVER_HANDLED;
}
int X11DRV_XF86DGA2_CreateDriver(LPDDHALINFO info)
{
if (!xf86dga2_mode_count) return 0; /* no DGA */
info->dwNumModes = xf86dga2_mode_count;
info->lpModeInfo = xf86dga2_modes;
info->dwModeIndex = 0;
X11DRV_XF86DGA2_old_create_surface = info->lpDDCallbacks->CreateSurface;
info->lpDDCallbacks->SetMode = X11DRV_XF86DGA2_SetMode;
info->lpDDCallbacks->CreateSurface = X11DRV_XF86DGA2_CreateSurface;
info->lpDDCallbacks->CreatePalette = X11DRV_XF86DGA2_CreatePalette;
info->lpDDSurfaceCallbacks->Flip = X11DRV_XF86DGA2_Flip;
info->lpDDSurfaceCallbacks->SetPalette = X11DRV_XF86DGA2_SetPalette;
return TRUE;
}
#endif /* HAVE_LIBXXF86DGA2 */
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