static void switch_to_best_mode (void)
{
Screen *scr = ScreenOfDisplay (display, screen);
int w = WidthOfScreen (scr);
int h = HeightOfScreen (scr);
int d = DefaultDepthOfScreen (scr);
#ifdef USE_VIDMODE_EXTENSION
int i, best;
if (vidmodeavail) {
best = 0;
for (i = 1; i < vidmodecount; i++) {
if (allmodes[i]->hdisplay >= current_width
&& allmodes[i]->vdisplay >= current_height
&& allmodes[i]->hdisplay <= allmodes[best]->hdisplay
&& allmodes[i]->vdisplay <= allmodes[best]->vdisplay)
best = i;
}
write_log ("entering DGA mode: %dx%d (%d, %d)\n",
allmodes[best]->hdisplay, allmodes[best]->vdisplay,
current_width, current_height);
XF86VidModeSwitchToMode (display, screen, allmodes[best]);
XF86VidModeSetViewPort (display, screen, 0, 0);
}
#endif
XMoveWindow (display, mywin, 0, 0);
XWarpPointer (display, None, rootwin, 0, 0, 0, 0, 0, 0);
XF86DGADirectVideo (display, screen, XF86DGADirectGraphics | XF86DGADirectMouse | XF86DGADirectKeyb);
XF86DGASetViewPort (display, screen, 0, 0);
memset (fb_addr, 0, (w * h) * (d / 8));
}
static void flip_page(void)
{
if (1 < vo_dga_nr_video_buffers)
{
#ifdef HAVE_DGA2
XDGASetViewport(mDisplay, mScreen,
0, CURRENT_VIDEO_BUFFER.y, XDGAFlipRetrace);
#else
XF86DGASetViewPort(mDisplay, mScreen, 0, CURRENT_VIDEO_BUFFER.y);
#endif
switch_video_buffers();
}
}
static int config(uint32_t width, uint32_t height,
uint32_t d_width, uint32_t d_height,
uint32_t flags, char *title, uint32_t format)
{
int x_off, y_off;
int wanted_width, wanted_height;
static unsigned char *vo_dga_base;
static int prev_width, prev_height;
#ifdef HAVE_DGA2
// needed to change DGA video mode
int mX = VO_DGA_INVALID_RES, mY = VO_DGA_INVALID_RES, mVBI =
100000, mMaxY = 0, i, j = 0;
int dga_modenum;
XDGAMode *modeline;
XDGADevice *dgadevice;
#else
#ifdef HAVE_XF86VM
unsigned int vm_event, vm_error;
unsigned int vm_ver, vm_rev;
int i, j = 0, have_vm = 0;
int mX = VO_DGA_INVALID_RES, mY = VO_DGA_INVALID_RES, mVBI =
100000, mMaxY = 0, dga_modenum;
#endif
int bank, ram;
#endif
vo_dga_src_format = format;
wanted_width = d_width;
wanted_height = d_height;
if (!wanted_height)
wanted_height = height;
if (!wanted_width)
wanted_width = width;
if (!vo_dbpp)
{
if ((format & IMGFMT_BGR_MASK) == IMGFMT_BGR)
{
vo_dga_src_mode = vd_ModeValid(format & 0xff);
}
} else
{
vo_dga_src_mode = vd_ModeValid(vo_dbpp);
}
vo_dga_hw_mode = SRC_MODE.vdm_hw_mode;
if (!vo_dga_src_mode)
{
mp_msg(MSGT_VO, MSGL_ERR, "vo_dga: unsupported video format!\n");
return 1;
}
vo_dga_vp_width = vo_screenwidth;
vo_dga_vp_height = vo_screenheight;
mp_msg(MSGT_VO, MSGL_V, "vo_dga: XServer res: %dx%d\n",
vo_dga_vp_width, vo_dga_vp_height);
// choose a suitable mode ...
#ifdef HAVE_DGA2
// Code to change the video mode added by Michael Graffam
// [email protected]
mp_msg(MSGT_VO, MSGL_V, "vo_dga: vo_modelines=%p, vo_modecount=%d\n",
vo_modelines, vo_modecount);
if (vo_modelines == NULL)
{
mp_msg(MSGT_VO, MSGL_ERR, "vo_dga: can't get modelines\n");
return 1;
}
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: DGA 2.0 available :-) Can switch resolution AND depth!\n");
for (i = 0; i < vo_modecount; i++)
{
if (vd_ModeEqual(vo_modelines[i].depth,
vo_modelines[i].bitsPerPixel,
vo_modelines[i].redMask,
vo_modelines[i].greenMask,
vo_modelines[i].blueMask, vo_dga_hw_mode))
{
mp_msg(MSGT_VO, MSGL_V, "maxy: %4d, depth: %2d, %4dx%4d, ",
vo_modelines[i].maxViewportY, vo_modelines[i].depth,
vo_modelines[i].imageWidth,
vo_modelines[i].imageHeight);
if (check_res
(i, wanted_width, wanted_height, vo_modelines[i].depth,
vo_modelines[i].viewportWidth,
vo_modelines[i].viewportHeight,
(unsigned) vo_modelines[i].verticalRefresh,
vo_modelines[i].maxViewportY, &mX, &mY, &mVBI, &mMaxY))
j = i;
}
}
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: Selected hardware mode %4d x %4d @ %3d Hz @ depth %2d, bitspp %2d.\n",
mX, mY, mVBI, HW_MODE.vdm_depth, HW_MODE.vdm_bitspp);
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: Video parameters by codec: %3d x %3d, depth %2d, bitspp %2d.\n",
width, height, SRC_MODE.vdm_depth, SRC_MODE.vdm_bitspp);
vo_dga_vp_width = mX;
vo_dga_vp_height = mY;
if ((flags & VOFLAG_SWSCALE) || (flags & VOFLAG_FULLSCREEN))
{ /* -zoom or -fs */
scale_dstW = (d_width + 7) & ~7;
scale_dstH = d_height;
scale_srcW = width;
scale_srcH = height;
aspect_save_screenres(mX, mY);
aspect_save_orig(scale_srcW, scale_srcH);
aspect_save_prescale(scale_dstW, scale_dstH);
if (flags & VOFLAG_FULLSCREEN) /* -fs */
aspect(&scale_dstW, &scale_dstH, A_ZOOM);
else if (flags & VOFLAG_SWSCALE) /* -fs */
aspect(&scale_dstW, &scale_dstH, A_NOZOOM);
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: Aspect corrected size for SwScaler: %4d x %4d.\n",
scale_dstW, scale_dstH);
/* XXX this is a hack, but I'm lazy ;-) :: atmos */
width = scale_dstW;
height = scale_dstH;
}
vo_dga_width = vo_modelines[j].bytesPerScanline / HW_MODE.vdm_bytespp;
dga_modenum = vo_modelines[j].num;
modeline = vo_modelines + j;
#else
#ifdef HAVE_XF86VM
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: DGA 1.0 compatibility code: Using XF86VidMode for mode switching!\n");
if (XF86VidModeQueryExtension(mDisplay, &vm_event, &vm_error))
{
XF86VidModeQueryVersion(mDisplay, &vm_ver, &vm_rev);
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: XF86VidMode Extension v%i.%i\n", vm_ver, vm_rev);
have_vm = 1;
} else
{
mp_msg(MSGT_VO, MSGL_ERR,
"vo_dga: XF86VidMode Extension not available.\n");
}
#define GET_VREFRESH(dotclk, x, y)( (((dotclk)/(x))*1000)/(y) )
if (have_vm)
{
int modecount;
XF86VidModeGetAllModeLines(mDisplay, mScreen, &modecount,
&vo_dga_vidmodes);
if (vo_dga_vidmodes != NULL)
{
for (i = 0; i < modecount; i++)
{
if (check_res(i, wanted_width, wanted_height,
vo_dga_modes[vo_dga_hw_mode].vdm_depth,
vo_dga_vidmodes[i]->hdisplay,
vo_dga_vidmodes[i]->vdisplay,
GET_VREFRESH(vo_dga_vidmodes[i]->dotclock,
vo_dga_vidmodes[i]->htotal,
vo_dga_vidmodes[i]->vtotal),
0, &mX, &mY, &mVBI, &mMaxY))
j = i;
}
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: Selected video mode %4d x %4d @ %3d Hz @ depth %2d, bitspp %2d, video %3d x %3d.\n",
mX, mY, mVBI,
vo_dga_modes[vo_dga_hw_mode].vdm_depth,
vo_dga_modes[vo_dga_hw_mode].vdm_bitspp, width, height);
} else
{
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: XF86VidMode returned no screens - using current resolution.\n");
}
dga_modenum = j;
vo_dga_vp_width = mX;
vo_dga_vp_height = mY;
}
#else
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: Only have DGA 1.0 extension and no XF86VidMode :-(\n");
mp_msg(MSGT_VO, MSGL_INFO,
" Thus, resolution switching is NOT possible.\n");
#endif
#endif
vo_dga_src_width = width;
vo_dga_src_height = height;
if (vo_dga_src_width > vo_dga_vp_width ||
vo_dga_src_height > vo_dga_vp_height)
{
mp_msg(MSGT_VO, MSGL_ERR,
"vo_dga: Sorry, video larger than viewport is not yet supported!\n");
// ugly, do something nicer in the future ...
#ifndef HAVE_DGA2
#ifdef HAVE_XF86VM
if (vo_dga_vidmodes)
{
XFree(vo_dga_vidmodes);
vo_dga_vidmodes = NULL;
}
#endif
#endif
return 1;
}
if (vo_dga_vp_width == VO_DGA_INVALID_RES)
{
mp_msg(MSGT_VO, MSGL_ERR,
"vo_dga: Something is wrong with your DGA. There doesn't seem to be a\n"
" single suitable mode!\n"
" Please file a bug report (see DOCS/HTML/en/bugreports.html)\n");
#ifndef HAVE_DGA2
#ifdef HAVE_XF86VM
if (vo_dga_vidmodes)
{
XFree(vo_dga_vidmodes);
vo_dga_vidmodes = NULL;
}
#endif
#endif
return 1;
}
// now let's start the DGA thing
if (!vo_config_count || width != prev_width || height != prev_height)
{
#ifdef HAVE_DGA2
if (!XDGAOpenFramebuffer(mDisplay, mScreen))
{
mp_msg(MSGT_VO, MSGL_ERR,
"vo_dga: Framebuffer mapping failed!!!\n");
return 1;
}
dgadevice = XDGASetMode(mDisplay, mScreen, dga_modenum);
XDGASync(mDisplay, mScreen);
vo_dga_base = dgadevice->data;
XFree(dgadevice);
XDGASetViewport(mDisplay, mScreen, 0, 0, XDGAFlipRetrace);
#else
#ifdef HAVE_XF86VM
if (have_vm)
{
XF86VidModeLockModeSwitch(mDisplay, mScreen, 0);
// Two calls are needed to switch modes on my ATI Rage 128. Why?
// for riva128 one call is enough!
XF86VidModeSwitchToMode(mDisplay, mScreen,
vo_dga_vidmodes[dga_modenum]);
XF86VidModeSwitchToMode(mDisplay, mScreen,
vo_dga_vidmodes[dga_modenum]);
}
#endif
XF86DGAGetViewPortSize(mDisplay, mScreen,
&vo_dga_vp_width, &vo_dga_vp_height);
XF86DGAGetVideo(mDisplay, mScreen,
(char **) &vo_dga_base, &vo_dga_width, &bank,
&ram);
XF86DGADirectVideo(mDisplay, mScreen,
XF86DGADirectGraphics | XF86DGADirectMouse |
XF86DGADirectKeyb);
XF86DGASetViewPort(mDisplay, mScreen, 0, 0);
#endif
}
// do some more checkings here ...
mp_msg(MSGT_VO, MSGL_V,
"vo_dga: bytes/line: %d, screen res: %dx%d, depth: %d, base: %p, bpp: %d\n",
vo_dga_width, vo_dga_vp_width, vo_dga_vp_height,
HW_MODE.vdm_bytespp, vo_dga_base, HW_MODE.vdm_bitspp);
x_off = (vo_dga_vp_width - vo_dga_src_width) >> 1;
y_off = (vo_dga_vp_height - vo_dga_src_height) >> 1;
vo_dga_bytes_per_line = vo_dga_src_width * HW_MODE.vdm_bytespp;
vo_dga_lines = vo_dga_src_height;
vo_dga_src_offset = 0;
vo_dga_vp_offset =
(y_off * vo_dga_width + x_off) * HW_MODE.vdm_bytespp;
vo_dga_vp_skip = (vo_dga_width - vo_dga_src_width) * HW_MODE.vdm_bytespp; // todo
mp_msg(MSGT_VO, MSGL_V, "vo_dga: vp_off=%d, vp_skip=%d, bpl=%d\n",
vo_dga_vp_offset, vo_dga_vp_skip, vo_dga_bytes_per_line);
XGrabKeyboard(mDisplay, DefaultRootWindow(mDisplay), True,
GrabModeAsync, GrabModeAsync, CurrentTime);
if (vo_grabpointer)
XGrabPointer(mDisplay, DefaultRootWindow(mDisplay), True,
ButtonPressMask, GrabModeAsync, GrabModeAsync,
None, None, CurrentTime);
if (!vo_config_count || width != prev_width || height != prev_height)
{
init_video_buffers(vo_dga_base,
vo_dga_vp_height,
vo_dga_width * HW_MODE.vdm_bytespp,
#ifdef HAVE_DGA2
modeline->maxViewportY,
#else
vo_dga_vp_height,
#endif
vo_doublebuffering);
prev_width = width;
prev_height = height;
}
mp_msg(MSGT_VO, MSGL_V, "vo_dga: Using %d frame buffer%s.\n",
vo_dga_nr_video_buffers,
vo_dga_nr_video_buffers == 1 ? "" : "s");
vo_dga_is_running = 1;
return 0;
}
