diff options
Diffstat (limited to 'xorg-server/hw/kdrive/src/kshadow.c')
-rw-r--r-- | xorg-server/hw/kdrive/src/kshadow.c | 162 |
1 files changed, 81 insertions, 81 deletions
diff --git a/xorg-server/hw/kdrive/src/kshadow.c b/xorg-server/hw/kdrive/src/kshadow.c index cf3391dba..4454020f0 100644 --- a/xorg-server/hw/kdrive/src/kshadow.c +++ b/xorg-server/hw/kdrive/src/kshadow.c @@ -1,81 +1,81 @@ -/* - * Copyright © 1999 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_CONFIG_H -#include <kdrive-config.h> -#endif -#include "kdrive.h" - -Bool -KdShadowFbAlloc (KdScreenInfo *screen, Bool rotate) -{ - int paddedWidth; - void *buf; - int width = rotate ? screen->height : screen->width; - int height = rotate ? screen->width : screen->height; - int bpp = screen->fb.bitsPerPixel; - - /* use fb computation for width */ - paddedWidth = ((width * bpp + FB_MASK) >> FB_SHIFT) * sizeof (FbBits); - buf = xalloc (paddedWidth * height); - if (!buf) - return FALSE; - if (screen->fb.shadow) - xfree (screen->fb.frameBuffer); - screen->fb.shadow = TRUE; - screen->fb.frameBuffer = buf; - screen->fb.byteStride = paddedWidth; - screen->fb.pixelStride = paddedWidth * 8 / bpp; - return TRUE; -} - -void -KdShadowFbFree (KdScreenInfo *screen) -{ - if (screen->fb.shadow) - { - xfree (screen->fb.frameBuffer); - screen->fb.frameBuffer = 0; - screen->fb.shadow = FALSE; - } -} - -Bool -KdShadowSet (ScreenPtr pScreen, int randr, ShadowUpdateProc update, ShadowWindowProc window) -{ - KdScreenPriv(pScreen); - KdScreenInfo *screen = pScreenPriv->screen; - - shadowRemove (pScreen, pScreen->GetScreenPixmap(pScreen)); - if(screen->fb.shadow) - { - return shadowAdd (pScreen, pScreen->GetScreenPixmap(pScreen), - update, window, randr, 0); - } - return TRUE; -} - -void -KdShadowUnset (ScreenPtr pScreen) -{ - shadowRemove(pScreen, pScreen->GetScreenPixmap(pScreen)); -} +/*
+ * Copyright © 1999 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_CONFIG_H
+#include <kdrive-config.h>
+#endif
+#include "kdrive.h"
+
+Bool
+KdShadowFbAlloc (KdScreenInfo *screen, Bool rotate)
+{
+ int paddedWidth;
+ void *buf;
+ int width = rotate ? screen->height : screen->width;
+ int height = rotate ? screen->width : screen->height;
+ int bpp = screen->fb.bitsPerPixel;
+
+ /* use fb computation for width */
+ paddedWidth = ((width * bpp + FB_MASK) >> FB_SHIFT) * sizeof (FbBits);
+ buf = malloc(paddedWidth * height);
+ if (!buf)
+ return FALSE;
+ if (screen->fb.shadow)
+ free(screen->fb.frameBuffer);
+ screen->fb.shadow = TRUE;
+ screen->fb.frameBuffer = buf;
+ screen->fb.byteStride = paddedWidth;
+ screen->fb.pixelStride = paddedWidth * 8 / bpp;
+ return TRUE;
+}
+
+void
+KdShadowFbFree (KdScreenInfo *screen)
+{
+ if (screen->fb.shadow)
+ {
+ free(screen->fb.frameBuffer);
+ screen->fb.frameBuffer = 0;
+ screen->fb.shadow = FALSE;
+ }
+}
+
+Bool
+KdShadowSet (ScreenPtr pScreen, int randr, ShadowUpdateProc update, ShadowWindowProc window)
+{
+ KdScreenPriv(pScreen);
+ KdScreenInfo *screen = pScreenPriv->screen;
+
+ shadowRemove (pScreen, pScreen->GetScreenPixmap(pScreen));
+ if(screen->fb.shadow)
+ {
+ return shadowAdd (pScreen, pScreen->GetScreenPixmap(pScreen),
+ update, window, randr, 0);
+ }
+ return TRUE;
+}
+
+void
+KdShadowUnset (ScreenPtr pScreen)
+{
+ shadowRemove(pScreen, pScreen->GetScreenPixmap(pScreen));
+}
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