Adding upstream version 3.3.0+dfsg1.upstream/3.3.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 115 insertions, 0 deletions

diff --git a/libfreerdp/primitives/prim_shift.c b/libfreerdp/primitives/prim_shift.c
new file mode 100644
index 0000000..3729266
--- /dev/null
+++ b/libfreerdp/primitives/prim_shift.c
@@ -0,0 +1,115 @@
+/* FreeRDP: A Remote Desktop Protocol Client
+ * Shift operations.
+ * vi:ts=4 sw=4:
+ *
+ * (c) Copyright 2012 Hewlett-Packard Development Company, L.P.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License. You may obtain
+ * a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+#include <freerdp/config.h>
+
+#include <freerdp/types.h>
+#include <freerdp/primitives.h>
+
+#include "prim_internal.h"
+/* ------------------------------------------------------------------------- */
+static INLINE pstatus_t general_lShiftC_16s(const INT16* pSrc, UINT32 val, INT16* pDst, UINT32 len)
+{
+	if (val == 0)
+		return PRIMITIVES_SUCCESS;
+	if (val >= 16)
+		return -1;
+
+	while (len--)
+		*pDst++ = (INT16)((UINT16)*pSrc++ << val);
+
+	return PRIMITIVES_SUCCESS;
+}
+
+/* ------------------------------------------------------------------------- */
+static INLINE pstatus_t general_rShiftC_16s(const INT16* pSrc, UINT32 val, INT16* pDst, UINT32 len)
+{
+	if (val == 0)
+		return PRIMITIVES_SUCCESS;
+	if (val >= 16)
+		return -1;
+
+	while (len--)
+		*pDst++ = *pSrc++ >> val;
+
+	return PRIMITIVES_SUCCESS;
+}
+
+/* ------------------------------------------------------------------------- */
+static INLINE pstatus_t general_lShiftC_16u(const UINT16* pSrc, UINT32 val, UINT16* pDst,
+                                            UINT32 len)
+{
+	if (val == 0)
+		return PRIMITIVES_SUCCESS;
+	if (val >= 16)
+		return -1;
+
+	while (len--)
+		*pDst++ = (INT16)((UINT16)*pSrc++ << val);
+
+	return PRIMITIVES_SUCCESS;
+}
+
+/* ------------------------------------------------------------------------- */
+static INLINE pstatus_t general_rShiftC_16u(const UINT16* pSrc, UINT32 val, UINT16* pDst,
+                                            UINT32 len)
+{
+	if (val == 0)
+		return PRIMITIVES_SUCCESS;
+	if (val >= 16)
+		return -1;
+
+	while (len--)
+		*pDst++ = *pSrc++ >> val;
+
+	return PRIMITIVES_SUCCESS;
+}
+
+/* ------------------------------------------------------------------------- */
+static INLINE pstatus_t general_shiftC_16s(const INT16* pSrc, INT32 val, INT16* pDst, UINT32 len)
+{
+	if (val == 0)
+		return PRIMITIVES_SUCCESS;
+
+	if (val < 0)
+		return general_rShiftC_16s(pSrc, -val, pDst, len);
+	else
+		return general_lShiftC_16s(pSrc, val, pDst, len);
+}
+
+/* ------------------------------------------------------------------------- */
+static INLINE pstatus_t general_shiftC_16u(const UINT16* pSrc, INT32 val, UINT16* pDst, UINT32 len)
+{
+	if (val == 0)
+		return PRIMITIVES_SUCCESS;
+
+	if (val < 0)
+		return general_rShiftC_16u(pSrc, -val, pDst, len);
+	else
+		return general_lShiftC_16u(pSrc, val, pDst, len);
+}
+
+/* ------------------------------------------------------------------------- */
+void primitives_init_shift(primitives_t* prims)
+{
+	/* Start with the default. */
+	prims->lShiftC_16s = general_lShiftC_16s;
+	prims->rShiftC_16s = general_rShiftC_16s;
+	prims->lShiftC_16u = general_lShiftC_16u;
+	prims->rShiftC_16u = general_rShiftC_16u;
+	/* Wrappers */
+	prims->shiftC_16s = general_shiftC_16s;
+	prims->shiftC_16u = general_shiftC_16u;
+}