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