1 files changed, 123 insertions, 0 deletions
diff --git a/xorg-server/hw/xgl/xglshm.c b/xorg-server/hw/xgl/xglshm.c
new file mode 100644
index 000000000..567daa954
--- /dev/null
+++ b/xorg-server/hw/xgl/xglshm.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright © 2005 Novell, Inc.
+ *
+ * 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
+ * Novell, Inc. not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior permission.
+ * Novell, Inc. makes no representations about the suitability of this
+ * software for any purpose. It is provided "as is" without express or
+ * implied warranty.
+ *
+ * NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+ * NO EVENT SHALL NOVELL, INC. 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.
+ *
+ * Author: David Reveman <davidr@novell.com>
+ */
+
+#include "xgl.h"
+#include "gcstruct.h"
+
+#ifdef MITSHM
+
+void
+xglShmPutImage (DrawablePtr  pDrawable,
+		GCPtr	     pGC,
+		int	     depth,
+		unsigned int format,
+		int	     w,
+		int	     h,
+		int	     sx,
+		int	     sy,
+		int	     sw,
+		int	     sh,
+		int	     dx,
+		int	     dy,
+		char	     *data)
+{
+    ScreenPtr pScreen = pDrawable->pScreen;
+    PixmapPtr pPixmapHeader = NULL;
+    PixmapPtr pPixmap;
+    int	      saveTarget;
+
+    XGL_DRAWABLE_PIXMAP_PRIV (pDrawable);
+
+    if ((format == ZPixmap) || (depth == 1))
+    {
+	pPixmap = pPixmapHeader =
+	    GetScratchPixmapHeader (pScreen, w, h, depth,
+				    BitsPerPixel (depth),
+				    PixmapBytePad (w, depth),
+				    (pointer) data);
+
+	/* disable any possible acceleration of this pixmap */
+	if (pPixmap)
+	    xglSetPixmapVisual (pPixmap, 0);
+    }
+    else
+    {
+	pPixmap = (*pScreen->CreatePixmap) (pScreen, sw, sh, depth,
+					    CREATE_PIXMAP_USAGE_SCRATCH);
+	if (pPixmap)
+	{
+	    GCPtr pScratchGC;
+
+	    if (!xglAllocatePixmapBits (pPixmap,
+					XGL_PIXMAP_USAGE_HINT_DEFAULT))
+	    {
+		(*pScreen->DestroyPixmap) (pPixmap);
+		return;
+	    }
+
+	    xglSetPixmapVisual (pPixmap, 0);
+
+	    pScratchGC = GetScratchGC (depth, pScreen);
+	    if (!pScratchGC)
+	    {
+		(*pScreen->DestroyPixmap) (pPixmap);
+		return;
+	    }
+
+	    ValidateGC ((DrawablePtr) pPixmap, pScratchGC);
+	    (*pGC->ops->PutImage) ((DrawablePtr) pPixmap, pScratchGC, depth,
+				   -sx, -sy, w, h, 0,
+				   (format == XYPixmap) ? XYPixmap : ZPixmap,
+				   data);
+
+	    FreeScratchGC (pScratchGC);
+
+	    sx = sy = 0;
+	}
+    }
+
+    if (!pPixmap)
+	return;
+
+    /* CopyArea should always be done in software */
+    saveTarget = pPixmapPriv->target;
+    pPixmapPriv->target = xglPixmapTargetNo;
+
+    if (format == XYBitmap)
+	(*pGC->ops->CopyPlane) ((DrawablePtr) pPixmap, pDrawable, pGC,
+				sx, sy, sw, sh, dx, dy, 1L);
+    else
+	(*pGC->ops->CopyArea) ((DrawablePtr) pPixmap, pDrawable, pGC,
+			       sx, sy, sw, sh, dx, dy);
+
+    pPixmapPriv->target = saveTarget;
+
+    if (pPixmapHeader)
+	FreeScratchPixmapHeader (pPixmapHeader);
+    else
+	(*pScreen->DestroyPixmap) (pPixmap);
+}
+
+#endif