343d210a75
This way we use certain compiler flags (like -msse3) only on files containing optimized code. This avoids problems that occured when using these flags compiling generic code and running it on platforms that don't support these optimizations (i.e. NEON optimization on ARM platforms).
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/* FreeRDP: A Remote Desktop Protocol Client
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* Add operations.
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* vi:ts=4 sw=4:
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*
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* (c) Copyright 2012 Hewlett-Packard Development Company, L.P.
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License. You may obtain
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* a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <freerdp/types.h>
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#include <freerdp/primitives.h>
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#include "prim_internal.h"
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#include "prim_add.h"
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/* ----------------------------------------------------------------------------
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* 16-bit signed add with saturation (under and over).
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*/
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pstatus_t general_add_16s(
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const INT16 *pSrc1,
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const INT16 *pSrc2,
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INT16 *pDst,
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INT32 len)
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{
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while (len--)
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{
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INT32 k = (INT32) (*pSrc1++) + (INT32) (*pSrc2++);
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if (k > 32767) *pDst++ = ((INT16) 32767);
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else if (k < -32768) *pDst++ = ((INT16) -32768);
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else *pDst++ = (INT16) k;
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}
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return PRIMITIVES_SUCCESS;
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}
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/* ------------------------------------------------------------------------- */
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void primitives_init_add(
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const primitives_hints_t *hints,
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primitives_t *prims)
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{
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prims->add_16s = general_add_16s;
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primitives_init_add_opt(hints, prims);
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}
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/* ------------------------------------------------------------------------- */
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void primitives_deinit_add(
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primitives_t *prims)
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{
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/* Nothing to do. */
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}
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