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Exzap 2022-08-22 22:21:23 +02:00
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dependencies/ih264d/decoder/x86/ih264d_function_selector.c vendored Normal file
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/******************************************************************************
*
* Copyright (C) 2015 The Android Open Source Project
*
* 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.
*
*****************************************************************************
* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
* Modified for use with Cemu emulator project
*/
/**
*******************************************************************************
* @file
* imp2d_function_selector.c
*
* @brief
* Contains functions to initialize function pointers used in hevc
*
* @author
* Naveen
*
* @par List of Functions:
* @remarks
* None
*
*******************************************************************************
*/
/*****************************************************************************/
/* File Includes */
/*****************************************************************************/
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
/* User Include files */
#include "ih264_typedefs.h"
#include "iv.h"
#include "ivd.h"
#include "ih264_defs.h"
#include "ih264_size_defs.h"
#include "ih264_error.h"
#include "ih264_trans_quant_itrans_iquant.h"
#include "ih264_inter_pred_filters.h"
#include "ih264d_structs.h"
#include "ih264d_function_selector.h"
void ih264d_init_function_ptr(dec_struct_t *ps_codec)
{
ih264d_init_function_ptr_generic(ps_codec);
switch(ps_codec->e_processor_arch)
{
case ARCH_X86_GENERIC:
ih264d_init_function_ptr_generic(ps_codec);
break;
case ARCH_X86_SSSE3:
ih264d_init_function_ptr_ssse3(ps_codec);
break;
case ARCH_X86_SSE42:
default:
ih264d_init_function_ptr_ssse3(ps_codec);
ih264d_init_function_ptr_sse42(ps_codec);
break;
}
}
#ifdef __clang__
#include <cpuid.h>
void __cpuid2(signed int* cpuInfo, unsigned int level)
{
__get_cpuid (level, (unsigned int*)cpuInfo+0, (unsigned int*)cpuInfo+1, (unsigned int*)cpuInfo+2, (unsigned int*)cpuInfo+3);
}
#define __getCPUId __cpuid2
#else
#define __getCPUId __cpuid
#endif
void ih264d_init_arch(dec_struct_t *ps_codec)
{
int cpuInfo[4];
UWORD8 hasSSSE3;
UWORD8 hasSSE4_2;
__getCPUId(cpuInfo, 0x1);
hasSSSE3 = ((cpuInfo[2] >> 9) & 1);
hasSSE4_2 = ((cpuInfo[2] >> 20) & 1);
if (hasSSE4_2 != 0)
ps_codec->e_processor_arch = ARCH_X86_SSE42;
else if (hasSSSE3 != 0)
ps_codec->e_processor_arch = ARCH_X86_SSSE3;
else
ps_codec->e_processor_arch = ARCH_X86_GENERIC;
}