mirror of
https://github.com/libretro/ppsspp.git
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78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#pragma once
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#include <cstdio>
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#include <cstring>
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#include <vector>
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#include <string>
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#include <utility>
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#include "Log.h"
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#include "CommonTypes.h"
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#define IS_LITTLE_ENDIAN (*(const u16 *)"\0\xff" >= 0x100)
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#define IS_BIG_ENDIAN (*(const u16 *)"\0\xff" < 0x100)
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#ifndef _WIN32
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inline u32 _byteswap_ulong(u32 data)
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{
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return ((data << 24)) | ((data >> 24)) | ((data >> 8) & 0x0000FF00) | ((data << 8) & 0x00FF0000);
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}
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#endif
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inline u8 Convert4To8(u8 v)
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{
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// Swizzle bits: 00012345 -> 12345123
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return (v << 4) | (v);
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}
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inline u8 Convert5To8(u8 v)
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{
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// Swizzle bits: 00012345 -> 12345123
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return (v << 3) | (v >> 2);
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}
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inline u8 Convert6To8(u8 v)
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{
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// Swizzle bits: 00123456 -> 12345612
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return (v << 2) | (v >> 4);
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}
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static inline s16 clamp_s16(int i) {
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#ifdef ARM
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asm("ssat %0, #16, %1" : "=r"(i) : "r"(i));
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#else
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if (i > 32767)
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return 32767;
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if (i < -32768)
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return -32768;
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#endif
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return i;
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}
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#ifndef DISALLOW_COPY_AND_ASSIGN
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#define DISALLOW_COPY_AND_ASSIGN(t) \
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private: \
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t(const t &other); \
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void operator =(const t &other);
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#endif
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