diff options
Diffstat (limited to 'xorg-server/fb/fbscreen.c')
| -rw-r--r-- | xorg-server/fb/fbscreen.c | 570 |
1 files changed, 282 insertions, 288 deletions
diff --git a/xorg-server/fb/fbscreen.c b/xorg-server/fb/fbscreen.c index f6eda6d64..fa518f64a 100644 --- a/xorg-server/fb/fbscreen.c +++ b/xorg-server/fb/fbscreen.c @@ -1,288 +1,282 @@ -/*
- * 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++)
- free(depths[d].vids);
- free(depths);
- free(pScreen->visuals);
- free(pScreen->devPrivate);
- 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;
- }
- }
-}
-
-PixmapPtr
-_fbGetWindowPixmap (WindowPtr pWindow)
-{
- return fbGetWindowPixmap (pWindow);
-}
-
-void
-_fbSetWindowPixmap (WindowPtr pWindow, PixmapPtr pPixmap)
-{
- dixSetPrivate(&pWindow->devPrivates, fbGetWinPrivateKey(), pPixmap);
-}
-
-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, NULL))
- 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->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;
-
- pScreen->GetWindowPixmap = _fbGetWindowPixmap;
- pScreen->SetWindowPixmap = _fbSetWindowPixmap;
-
- return TRUE;
-}
-
-#ifdef FB_ACCESS_WRAPPER
-Bool
-wfbFinishScreenInit(ScreenPtr pScreen,
- pointer pbits,
- int xsize,
- int ysize,
- int dpix,
- int dpiy,
- int width,
- int bpp,
- SetupWrapProcPtr setupWrap,
- FinishWrapProcPtr finishWrap)
-#else
-Bool
-fbFinishScreenInit(ScreenPtr pScreen,
- pointer pbits,
- int xsize,
- int ysize,
- int dpix,
- int dpiy,
- int width,
- int bpp)
-#endif
-{
- 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;
- }
-#ifdef FB_ACCESS_WRAPPER
- fbGetScreenPrivate(pScreen)->setupWrap = setupWrap;
- fbGetScreenPrivate(pScreen)->finishWrap = finishWrap;
-#endif
-#endif
- rootdepth = 0;
- if (!fbInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &rootdepth,
- &defaultVisual,((unsigned long)1<<(imagebpp-1)), 8))
- {
- free(visuals);
- free(depths);
- return FALSE;
- }
- if (! miScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width,
- rootdepth, ndepths, depths,
- defaultVisual, nvisuals, visuals))
- 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
- return TRUE;
-}
-
-/* dts * (inch/dot) * (25.4 mm / inch) = mm */
-#ifdef FB_ACCESS_WRAPPER
-Bool
-wfbScreenInit(ScreenPtr pScreen,
- pointer pbits,
- int xsize,
- int ysize,
- int dpix,
- int dpiy,
- int width,
- int bpp,
- SetupWrapProcPtr setupWrap,
- FinishWrapProcPtr finishWrap)
-{
- if (!fbSetupScreen(pScreen, pbits, xsize, ysize, dpix, dpiy, width, bpp))
- return FALSE;
- if (!wfbFinishScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy,
- width, bpp, setupWrap, finishWrap))
- return FALSE;
- return TRUE;
-}
-#else
-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;
-}
-#endif
+/* + * 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++) + free(depths[d].vids); + free(depths); + free(pScreen->visuals); + free(pScreen->devPrivate); + 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; + } + } +} + +PixmapPtr +_fbGetWindowPixmap (WindowPtr pWindow) +{ + return fbGetWindowPixmap (pWindow); +} + +void +_fbSetWindowPixmap (WindowPtr pWindow, PixmapPtr pPixmap) +{ + dixSetPrivate(&pWindow->devPrivates, fbGetWinPrivateKey(), pPixmap); +} + +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, NULL)) + 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->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; + + pScreen->GetWindowPixmap = _fbGetWindowPixmap; + pScreen->SetWindowPixmap = _fbSetWindowPixmap; + + return TRUE; +} + +#ifdef FB_ACCESS_WRAPPER +Bool +wfbFinishScreenInit(ScreenPtr pScreen, + pointer pbits, + int xsize, + int ysize, + int dpix, + int dpiy, + int width, + int bpp, + SetupWrapProcPtr setupWrap, + FinishWrapProcPtr finishWrap) +#else +Bool +fbFinishScreenInit(ScreenPtr pScreen, + pointer pbits, + int xsize, + int ysize, + int dpix, + int dpiy, + int width, + int bpp) +#endif +{ + 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 + */ + 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; + } + } + } + if (imagebpp == 32) + { + fbGetScreenPrivate(pScreen)->win32bpp = bpp; + fbGetScreenPrivate(pScreen)->pix32bpp = bpp; + } + else + { + fbGetScreenPrivate(pScreen)->win32bpp = 32; + fbGetScreenPrivate(pScreen)->pix32bpp = 32; + } +#ifdef FB_ACCESS_WRAPPER + fbGetScreenPrivate(pScreen)->setupWrap = setupWrap; + fbGetScreenPrivate(pScreen)->finishWrap = finishWrap; +#endif + rootdepth = 0; + if (!fbInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &rootdepth, + &defaultVisual,((unsigned long)1<<(imagebpp-1)), 8)) + { + free(visuals); + free(depths); + return FALSE; + } + if (! miScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width, + rootdepth, ndepths, depths, + defaultVisual, nvisuals, visuals)) + return FALSE; + /* overwrite miCloseScreen with our own */ + pScreen->CloseScreen = fbCloseScreen; + if (bpp == 24 && imagebpp == 32) + { + pScreen->ModifyPixmapHeader = fb24_32ModifyPixmapHeader; + pScreen->CreateScreenResources = fb24_32CreateScreenResources; + } + return TRUE; +} + +/* dts * (inch/dot) * (25.4 mm / inch) = mm */ +#ifdef FB_ACCESS_WRAPPER +Bool +wfbScreenInit(ScreenPtr pScreen, + pointer pbits, + int xsize, + int ysize, + int dpix, + int dpiy, + int width, + int bpp, + SetupWrapProcPtr setupWrap, + FinishWrapProcPtr finishWrap) +{ + if (!fbSetupScreen(pScreen, pbits, xsize, ysize, dpix, dpiy, width, bpp)) + return FALSE; + if (!wfbFinishScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, + width, bpp, setupWrap, finishWrap)) + return FALSE; + return TRUE; +} +#else +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; +} +#endif |