299 lines
8.0 KiB
C
299 lines
8.0 KiB
C
|
/*
|
||
|
|
* Copyright © 1998 Keith Packard
|
||
|
|
*
|
||
|
|
* Permission to use, copy, modify, distribute, and sell this software and its
|
||
|
|
* documentation for any purpose is hereby granted without fee, provided that
|
||
|
|
* the above copyright notice appear in all copies and that both that
|
||
|
|
* copyright notice and this permission notice appear in supporting
|
||
|
|
* documentation, and that the name of Keith Packard not be used in
|
||
|
|
* advertising or publicity pertaining to distribution of the software without
|
||
|
|
* specific, written prior permission. Keith Packard makes no
|
||
|
|
* representations about the suitability of this software for any purpose. It
|
||
|
|
* is provided "as is" without express or implied warranty.
|
||
|
|
*
|
||
|
|
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
||
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
||
|
|
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||
|
|
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
|
||
|
|
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
||
|
|
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
||
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef HAVE_DIX_CONFIG_H
|
||
|
|
#include <dix-config.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "fb.h"
|
||
|
|
|
||
|
|
Bool
|
||
|
|
fbCloseScreen (int index, ScreenPtr pScreen)
|
||
|
|
{
|
||
|
|
int d;
|
||
|
|
DepthPtr depths = pScreen->allowedDepths;
|
||
|
|
|
||
|
|
for (d = 0; d < pScreen->numDepths; d++)
|
||
|
|
xfree (depths[d].vids);
|
||
|
|
xfree (depths);
|
||
|
|
xfree (pScreen->visuals);
|
||
|
|
xfree (pScreen->devPrivate);
|
||
|
|
#ifdef FB_SCREEN_PRIVATE
|
||
|
|
xfree (pScreen->devPrivates[fbScreenPrivateIndex].ptr);
|
||
|
|
#endif
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
Bool
|
||
|
|
fbRealizeFont(ScreenPtr pScreen, FontPtr pFont)
|
||
|
|
{
|
||
|
|
return (TRUE);
|
||
|
|
}
|
||
|
|
|
||
|
|
Bool
|
||
|
|
fbUnrealizeFont(ScreenPtr pScreen, FontPtr pFont)
|
||
|
|
{
|
||
|
|
return (TRUE);
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
fbQueryBestSize (int class,
|
||
|
|
unsigned short *width, unsigned short *height,
|
||
|
|
ScreenPtr pScreen)
|
||
|
|
{
|
||
|
|
unsigned short w;
|
||
|
|
|
||
|
|
switch (class) {
|
||
|
|
case CursorShape:
|
||
|
|
if (*width > pScreen->width)
|
||
|
|
*width = pScreen->width;
|
||
|
|
if (*height > pScreen->height)
|
||
|
|
*height = pScreen->height;
|
||
|
|
break;
|
||
|
|
case TileShape:
|
||
|
|
case StippleShape:
|
||
|
|
w = *width;
|
||
|
|
if ((w & (w - 1)) && w < FB_UNIT)
|
||
|
|
{
|
||
|
|
for (w = 1; w < *width; w <<= 1)
|
||
|
|
;
|
||
|
|
*width = w;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifndef FB_OLD_SCREEN
|
||
|
|
PixmapPtr
|
||
|
|
_fbGetWindowPixmap (WindowPtr pWindow)
|
||
|
|
{
|
||
|
|
return fbGetWindowPixmap (pWindow);
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
_fbSetWindowPixmap (WindowPtr pWindow, PixmapPtr pPixmap)
|
||
|
|
{
|
||
|
|
#ifdef FB_NO_WINDOW_PIXMAPS
|
||
|
|
FatalError ("Attempted to set window pixmap without fb support\n");
|
||
|
|
#else
|
||
|
|
pWindow->devPrivates[fbWinPrivateIndex].ptr = (pointer) pPixmap;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
Bool
|
||
|
|
fbSetupScreen(ScreenPtr pScreen,
|
||
|
|
pointer pbits, /* pointer to screen bitmap */
|
||
|
|
int xsize, /* in pixels */
|
||
|
|
int ysize,
|
||
|
|
int dpix, /* dots per inch */
|
||
|
|
int dpiy,
|
||
|
|
int width, /* pixel width of frame buffer */
|
||
|
|
int bpp) /* bits per pixel for screen */
|
||
|
|
{
|
||
|
|
if (!fbAllocatePrivates(pScreen, (int *) 0))
|
||
|
|
return FALSE;
|
||
|
|
pScreen->defColormap = FakeClientID(0);
|
||
|
|
/* let CreateDefColormap do whatever it wants for pixels */
|
||
|
|
pScreen->blackPixel = pScreen->whitePixel = (Pixel) 0;
|
||
|
|
pScreen->QueryBestSize = fbQueryBestSize;
|
||
|
|
/* SaveScreen */
|
||
|
|
pScreen->GetImage = fbGetImage;
|
||
|
|
pScreen->GetSpans = fbGetSpans;
|
||
|
|
pScreen->CreateWindow = fbCreateWindow;
|
||
|
|
pScreen->DestroyWindow = fbDestroyWindow;
|
||
|
|
pScreen->PositionWindow = fbPositionWindow;
|
||
|
|
pScreen->ChangeWindowAttributes = fbChangeWindowAttributes;
|
||
|
|
pScreen->RealizeWindow = fbMapWindow;
|
||
|
|
pScreen->UnrealizeWindow = fbUnmapWindow;
|
||
|
|
pScreen->PaintWindowBackground = fbPaintWindow;
|
||
|
|
pScreen->PaintWindowBorder = fbPaintWindow;
|
||
|
|
pScreen->CopyWindow = fbCopyWindow;
|
||
|
|
pScreen->CreatePixmap = fbCreatePixmap;
|
||
|
|
pScreen->DestroyPixmap = fbDestroyPixmap;
|
||
|
|
pScreen->RealizeFont = fbRealizeFont;
|
||
|
|
pScreen->UnrealizeFont = fbUnrealizeFont;
|
||
|
|
pScreen->CreateGC = fbCreateGC;
|
||
|
|
pScreen->CreateColormap = fbInitializeColormap;
|
||
|
|
pScreen->DestroyColormap = (void (*)(ColormapPtr))NoopDDA;
|
||
|
|
pScreen->InstallColormap = fbInstallColormap;
|
||
|
|
pScreen->UninstallColormap = fbUninstallColormap;
|
||
|
|
pScreen->ListInstalledColormaps = fbListInstalledColormaps;
|
||
|
|
pScreen->StoreColors = (void (*)(ColormapPtr, int, xColorItem *))NoopDDA;
|
||
|
|
pScreen->ResolveColor = fbResolveColor;
|
||
|
|
pScreen->BitmapToRegion = fbPixmapToRegion;
|
||
|
|
|
||
|
|
#ifndef FB_OLD_SCREEN
|
||
|
|
pScreen->GetWindowPixmap = _fbGetWindowPixmap;
|
||
|
|
pScreen->SetWindowPixmap = _fbSetWindowPixmap;
|
||
|
|
|
||
|
|
pScreen->BackingStoreFuncs.SaveAreas = fbSaveAreas;
|
||
|
|
pScreen->BackingStoreFuncs.RestoreAreas = fbRestoreAreas;
|
||
|
|
pScreen->BackingStoreFuncs.SetClipmaskRgn = 0;
|
||
|
|
pScreen->BackingStoreFuncs.GetImagePixmap = 0;
|
||
|
|
pScreen->BackingStoreFuncs.GetSpansPixmap = 0;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
Bool
|
||
|
|
fbFinishScreenInit(ScreenPtr pScreen,
|
||
|
|
pointer pbits,
|
||
|
|
int xsize,
|
||
|
|
int ysize,
|
||
|
|
int dpix,
|
||
|
|
int dpiy,
|
||
|
|
int width,
|
||
|
|
int bpp)
|
||
|
|
{
|
||
|
|
VisualPtr visuals;
|
||
|
|
DepthPtr depths;
|
||
|
|
int nvisuals;
|
||
|
|
int ndepths;
|
||
|
|
int rootdepth;
|
||
|
|
VisualID defaultVisual;
|
||
|
|
int imagebpp = bpp;
|
||
|
|
|
||
|
|
#ifdef FB_DEBUG
|
||
|
|
int stride;
|
||
|
|
|
||
|
|
ysize -= 2;
|
||
|
|
stride = (width * bpp) / 8;
|
||
|
|
fbSetBits ((FbStip *) pbits,
|
||
|
|
stride / sizeof (FbStip), FB_HEAD_BITS);
|
||
|
|
pbits = (void *) ((char *) pbits + stride);
|
||
|
|
fbSetBits ((FbStip *) ((char *) pbits + stride * ysize),
|
||
|
|
stride / sizeof (FbStip), FB_TAIL_BITS);
|
||
|
|
#endif
|
||
|
|
/*
|
||
|
|
* By default, a 24bpp screen will use 32bpp images, this avoids
|
||
|
|
* problems with many applications which just can't handle packed
|
||
|
|
* pixels. If you want real 24bit images, include a 24bpp
|
||
|
|
* format in the pixmap formats
|
||
|
|
*/
|
||
|
|
#ifdef FB_24_32BIT
|
||
|
|
if (bpp == 24)
|
||
|
|
{
|
||
|
|
int f;
|
||
|
|
|
||
|
|
imagebpp = 32;
|
||
|
|
/*
|
||
|
|
* Check to see if we're advertising a 24bpp image format,
|
||
|
|
* in which case windows will use it in preference to a 32 bit
|
||
|
|
* format.
|
||
|
|
*/
|
||
|
|
for (f = 0; f < screenInfo.numPixmapFormats; f++)
|
||
|
|
{
|
||
|
|
if (screenInfo.formats[f].bitsPerPixel == 24)
|
||
|
|
{
|
||
|
|
imagebpp = 24;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#ifdef FB_SCREEN_PRIVATE
|
||
|
|
if (imagebpp == 32)
|
||
|
|
{
|
||
|
|
fbGetScreenPrivate(pScreen)->win32bpp = bpp;
|
||
|
|
fbGetScreenPrivate(pScreen)->pix32bpp = bpp;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
fbGetScreenPrivate(pScreen)->win32bpp = 32;
|
||
|
|
fbGetScreenPrivate(pScreen)->pix32bpp = 32;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
rootdepth = 0;
|
||
|
|
if (!fbInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &rootdepth,
|
||
|
|
&defaultVisual,((unsigned long)1<<(imagebpp-1)), 8))
|
||
|
|
return FALSE;
|
||
|
|
if (! miScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width,
|
||
|
|
rootdepth, ndepths, depths,
|
||
|
|
defaultVisual, nvisuals, visuals
|
||
|
|
#ifdef FB_OLD_MISCREENINIT
|
||
|
|
, (miBSFuncPtr) 0
|
||
|
|
#endif
|
||
|
|
))
|
||
|
|
return FALSE;
|
||
|
|
/* overwrite miCloseScreen with our own */
|
||
|
|
pScreen->CloseScreen = fbCloseScreen;
|
||
|
|
#ifdef FB_24_32BIT
|
||
|
|
if (bpp == 24 && imagebpp == 32)
|
||
|
|
{
|
||
|
|
pScreen->ModifyPixmapHeader = fb24_32ModifyPixmapHeader;
|
||
|
|
pScreen->CreateScreenResources = fb24_32CreateScreenResources;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#if 0
|
||
|
|
/* leave backing store initialization to the enclosing code so
|
||
|
|
* it can choose the correct order of wrappers
|
||
|
|
*/
|
||
|
|
/* init backing store here so we can overwrite CloseScreen without stepping
|
||
|
|
* on the backing store wrapped version */
|
||
|
|
fbInitializeBackingStore (pScreen);
|
||
|
|
#endif
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* dts * (inch/dot) * (25.4 mm / inch) = mm */
|
||
|
|
Bool
|
||
|
|
fbScreenInit(ScreenPtr pScreen,
|
||
|
|
pointer pbits,
|
||
|
|
int xsize,
|
||
|
|
int ysize,
|
||
|
|
int dpix,
|
||
|
|
int dpiy,
|
||
|
|
int width,
|
||
|
|
int bpp)
|
||
|
|
{
|
||
|
|
if (!fbSetupScreen(pScreen, pbits, xsize, ysize, dpix, dpiy, width, bpp))
|
||
|
|
return FALSE;
|
||
|
|
if (!fbFinishScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy,
|
||
|
|
width, bpp))
|
||
|
|
return FALSE;
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef FB_OLD_SCREEN
|
||
|
|
const miBSFuncRec fbBSFuncRec = {
|
||
|
|
fbSaveAreas,
|
||
|
|
fbRestoreAreas,
|
||
|
|
(void (*)(GCPtr, RegionPtr)) 0,
|
||
|
|
(PixmapPtr (*)(void)) 0,
|
||
|
|
(PixmapPtr (*)(void)) 0,
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
void
|
||
|
|
fbInitializeBackingStore (ScreenPtr pScreen)
|
||
|
|
{
|
||
|
|
#ifdef FB_OLD_SCREEN
|
||
|
|
miInitializeBackingStore (pScreen, (miBSFuncRec *) &fbBSFuncRec);
|
||
|
|
#else
|
||
|
|
miInitializeBackingStore (pScreen);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
#endif
|