129 lines
2.4 KiB
C++
129 lines
2.4 KiB
C++
// Copyright (C) 2003 Dolphin 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.
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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 SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#ifndef _DATAREADER_H
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#define _DATAREADER_H
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extern u8* g_pVideoData;
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__forceinline void DataSkip(u32 skip)
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{
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g_pVideoData += skip;
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}
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__forceinline u8 DataPeek8(int _uOffset)
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{
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return g_pVideoData[_uOffset];
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}
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__forceinline u16 DataPeek16(int _uOffset)
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{
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return Common::swap16(*(u16*)&g_pVideoData[_uOffset]);
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}
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__forceinline u32 DataPeek32(int _uOffset)
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{
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return Common::swap32(*(u32*)&g_pVideoData[_uOffset]);
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}
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__forceinline u8 DataReadU8()
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{
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return *g_pVideoData++;
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}
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__forceinline s8 DataReadS8()
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{
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return (s8)(*g_pVideoData++);
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}
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__forceinline u16 DataReadU16()
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{
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u16 tmp = Common::swap16(*(u16*)g_pVideoData);
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g_pVideoData += 2;
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return tmp;
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}
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__forceinline u32 DataReadU32()
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{
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u32 tmp = Common::swap32(*(u32*)g_pVideoData);
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g_pVideoData += 4;
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return tmp;
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}
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__forceinline u32 DataReadU32Unswapped()
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{
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u32 tmp = *(u32*)g_pVideoData;
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g_pVideoData += 4;
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return tmp;
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}
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template<class T>
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__forceinline T DataRead()
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{
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T tmp = *(T*)g_pVideoData;
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g_pVideoData += sizeof(T);
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return tmp;
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}
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template <>
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__forceinline u16 DataRead()
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{
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u16 tmp = Common::swap16(*(u16*)g_pVideoData);
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g_pVideoData += 2;
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return tmp;
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}
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template <>
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__forceinline s16 DataRead()
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{
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s16 tmp = (s16)Common::swap16(*(u16*)g_pVideoData);
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g_pVideoData += 2;
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return tmp;
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}
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template <>
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__forceinline u32 DataRead()
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{
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u32 tmp = (u32)Common::swap32(*(u32*)g_pVideoData);
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g_pVideoData += 4;
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return tmp;
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}
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template <>
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__forceinline s32 DataRead()
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{
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s32 tmp = (s32)Common::swap32(*(u32*)g_pVideoData);
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g_pVideoData += 4;
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return tmp;
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}
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__forceinline float DataReadF32()
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{
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union {u32 i; float f;} temp;
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temp.i = Common::swap32(*(u32*)g_pVideoData);
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g_pVideoData += 4;
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float tmp = temp.f;
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return tmp;
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}
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__forceinline u8* DataGetPosition()
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{
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return g_pVideoData;
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}
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#endif
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