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Diffstat (limited to 'xorg-server/fb/fbscreen.c')
-rw-r--r--xorg-server/fb/fbscreen.c556
1 files changed, 278 insertions, 278 deletions
diff --git a/xorg-server/fb/fbscreen.c b/xorg-server/fb/fbscreen.c
index e5fc508f9..9e6ecf50f 100644
--- a/xorg-server/fb/fbscreen.c
+++ b/xorg-server/fb/fbscreen.c
@@ -1,278 +1,278 @@
-/*
- * 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))
- 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
+/*
+ * 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))
+ 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