2013-04-17 21:09:55 -06:00
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// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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2011-01-10 06:14:56 -07:00
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2014-02-10 11:54:46 -07:00
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#pragma once
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2008-12-07 21:46:09 -07:00
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2014-02-17 03:18:15 -07:00
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#include "VideoCommon/VertexManagerBase.h"
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2013-02-21 05:45:48 -07:00
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2008-12-07 21:46:09 -07:00
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extern u8* g_pVideoData;
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2011-01-10 06:14:56 -07:00
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#if _M_SSE >= 0x301 && !(defined __GNUC__ && !defined __SSSE3__)
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#include <tmmintrin.h>
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#endif
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2010-07-17 23:31:51 -06:00
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__forceinline void DataSkip(u32 skip)
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2009-08-09 05:03:58 -06:00
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{
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g_pVideoData += skip;
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}
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2013-02-20 19:21:25 -07:00
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// probably unnecessary
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template <int count>
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__forceinline void DataSkip()
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{
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g_pVideoData += count;
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}
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template <typename T>
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__forceinline T DataPeek(int _uOffset)
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{
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auto const result = Common::FromBigEndian(*reinterpret_cast<T*>(g_pVideoData + _uOffset));
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return result;
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}
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// TODO: kill these
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__forceinline u8 DataPeek8(int _uOffset)
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{
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return DataPeek<u8>(_uOffset);
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}
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__forceinline u16 DataPeek16(int _uOffset)
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{
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return DataPeek<u16>(_uOffset);
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}
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2013-10-28 23:23:17 -06:00
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__forceinline u32 DataPeek32(int _uOffset)
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{
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return DataPeek<u32>(_uOffset);
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}
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2013-02-20 19:21:25 -07:00
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template <typename T>
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__forceinline T DataRead()
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{
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auto const result = DataPeek<T>(0);
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DataSkip<sizeof(T)>();
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return result;
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}
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2014-01-21 15:44:51 -07:00
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class DataReader
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{
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public:
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inline DataReader() : buffer(g_pVideoData), offset(0) {}
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inline ~DataReader() { g_pVideoData += offset; }
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template <typename T> inline T Read()
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{
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const T result = Common::FromBigEndian(*(T*)(buffer + offset));
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offset += sizeof(T);
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return result;
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}
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private:
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u8 *buffer;
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int offset;
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};
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2013-02-20 19:21:25 -07:00
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// TODO: kill these
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__forceinline u8 DataReadU8()
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{
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return DataRead<u8>();
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}
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__forceinline s8 DataReadS8()
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{
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return DataRead<s8>();
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}
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__forceinline u16 DataReadU16()
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{
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return DataRead<u16>();
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}
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__forceinline u32 DataReadU32()
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{
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return DataRead<u32>();
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}
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2011-01-10 06:14:56 -07:00
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typedef void (*DataReadU32xNfunc)(u32 *buf);
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extern DataReadU32xNfunc DataReadU32xFuncs[16];
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#if _M_SSE >= 0x301
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2011-01-11 00:25:36 -07:00
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const __m128i bs_mask = _mm_set_epi32(0x0C0D0E0FL, 0x08090A0BL, 0x04050607L, 0x00010203L);
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template<unsigned int N>
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void DataReadU32xN_SSSE3(u32 *bufx16)
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{
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memcpy(bufx16, g_pVideoData, sizeof(u32) * N);
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__m128i* buf = (__m128i *)bufx16;
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if (N>12) { _mm_store_si128(buf, _mm_shuffle_epi8(_mm_load_si128(buf), bs_mask)); buf++; }
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if (N>8) { _mm_store_si128(buf, _mm_shuffle_epi8(_mm_load_si128(buf), bs_mask)); buf++; }
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if (N>4) { _mm_store_si128(buf, _mm_shuffle_epi8(_mm_load_si128(buf), bs_mask)); buf++; }
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_mm_store_si128(buf, _mm_shuffle_epi8(_mm_load_si128(buf), bs_mask));
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g_pVideoData += (sizeof(u32) * N);
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}
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#endif
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2010-12-30 12:17:08 -07:00
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template<unsigned int N>
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void DataReadU32xN(u32 *bufx16)
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{
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memcpy(bufx16, g_pVideoData, sizeof(u32) * N);
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if (N >= 1) bufx16[0] = Common::swap32(bufx16[0]);
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if (N >= 2) bufx16[1] = Common::swap32(bufx16[1]);
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if (N >= 3) bufx16[2] = Common::swap32(bufx16[2]);
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if (N >= 4) bufx16[3] = Common::swap32(bufx16[3]);
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if (N >= 5) bufx16[4] = Common::swap32(bufx16[4]);
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if (N >= 6) bufx16[5] = Common::swap32(bufx16[5]);
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if (N >= 7) bufx16[6] = Common::swap32(bufx16[6]);
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if (N >= 8) bufx16[7] = Common::swap32(bufx16[7]);
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if (N >= 9) bufx16[8] = Common::swap32(bufx16[8]);
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if (N >= 10) bufx16[9] = Common::swap32(bufx16[9]);
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if (N >= 11) bufx16[10] = Common::swap32(bufx16[10]);
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if (N >= 12) bufx16[11] = Common::swap32(bufx16[11]);
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if (N >= 13) bufx16[12] = Common::swap32(bufx16[12]);
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if (N >= 14) bufx16[13] = Common::swap32(bufx16[13]);
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if (N >= 15) bufx16[14] = Common::swap32(bufx16[14]);
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if (N >= 16) bufx16[15] = Common::swap32(bufx16[15]);
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g_pVideoData += (sizeof(u32) * N);
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}
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2010-07-17 23:31:51 -06:00
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__forceinline u32 DataReadU32Unswapped()
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2009-02-15 06:08:21 -07:00
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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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__forceinline u8* DataGetPosition()
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{
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return g_pVideoData;
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}
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2014-01-21 11:23:07 -07:00
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template <typename T>
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__forceinline void DataWrite(T data)
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{
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*(T*)VertexManager::s_pCurBufferPointer = data;
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VertexManager::s_pCurBufferPointer += sizeof(T);
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}
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2014-01-21 15:44:51 -07:00
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class DataWriter
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{
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public:
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inline DataWriter() : buffer(VertexManager::s_pCurBufferPointer), offset(0) {}
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inline ~DataWriter() { VertexManager::s_pCurBufferPointer += offset; }
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template <typename T> inline void Write(T data)
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{
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*(T*)(buffer+offset) = data;
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offset += sizeof(T);
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}
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private:
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u8 *buffer;
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int offset;
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};
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