diff options
Diffstat (limited to 'nx-X11/programs/Xserver/fb/fbscreen.c')
-rw-r--r-- | nx-X11/programs/Xserver/fb/fbscreen.c | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/fb/fbscreen.c b/nx-X11/programs/Xserver/fb/fbscreen.c new file mode 100644 index 000000000..70d3d7a13 --- /dev/null +++ b/nx-X11/programs/Xserver/fb/fbscreen.c @@ -0,0 +1,301 @@ +/* $XdotOrg: xc/programs/Xserver/fb/fbscreen.c,v 1.6 2005/07/03 07:01:23 daniels Exp $ + * Id: fbscreen.c,v 1.1 1999/11/02 03:54:45 keithp Exp $ + * + * 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. + */ +/* $XFree86: xc/programs/Xserver/fb/fbscreen.c,v 1.13 2001/05/29 04:54:09 keithp Exp $ */ + +#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 |