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VertexLoader: don't check for possible range 

I(index) < std::numeric_limits<I>::max() is always true, so we don't have to check it
This commit is contained in:
degasus 2014-01-16 22:07:48 +01:00
parent 5eae39766b
commit 770485ad04
1 changed files with 10 additions and 16 deletions
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26
Source/Core/VideoCommon/VertexLoader_Position.cpp
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@ -90,15 +90,12 @@ void LOADERDECL Pos_ReadIndex()
static_assert(N <= 3, "N > 3 is not sane!"); static_assert(N <= 3, "N > 3 is not sane!");
auto const index = DataRead<I>(); auto const index = DataRead<I>();
if (index < std::numeric_limits<I>::max()) auto const data = reinterpret_cast<const T*>(cached_arraybases[ARRAY_POSITION] + (index * arraystrides[ARRAY_POSITION]));
{
auto const data = reinterpret_cast<const T*>(cached_arraybases[ARRAY_POSITION] + (index * arraystrides[ARRAY_POSITION]));
for (int i = 0; i < 3; ++i) for (int i = 0; i < 3; ++i)
DataWrite(i<N ? PosScale(Common::FromBigEndian(data[i])) : 0.f); DataWrite(i<N ? PosScale(Common::FromBigEndian(data[i])) : 0.f);
LOG_VTX(); LOG_VTX();
}
} }
#if _M_SSE >= 0x301 #if _M_SSE >= 0x301
@ -109,15 +106,12 @@ template <typename I, bool three>
void LOADERDECL Pos_ReadIndex_Float_SSSE3() void LOADERDECL Pos_ReadIndex_Float_SSSE3()
{ {
auto const index = DataRead<I>(); auto const index = DataRead<I>();
if (index < std::numeric_limits<I>::max()) const u32* pData = (const u32 *)(cached_arraybases[ARRAY_POSITION] + (index * arraystrides[ARRAY_POSITION]));
{ GC_ALIGNED128(const __m128i a = _mm_loadu_si128((__m128i*)pData));
const u32* pData = (const u32 *)(cached_arraybases[ARRAY_POSITION] + (index * arraystrides[ARRAY_POSITION])); GC_ALIGNED128(__m128i b = _mm_shuffle_epi8(a, three ? kMaskSwap32_3 : kMaskSwap32_2));
GC_ALIGNED128(const __m128i a = _mm_loadu_si128((__m128i*)pData)); _mm_storeu_si128((__m128i*)VertexManager::s_pCurBufferPointer, b);
GC_ALIGNED128(__m128i b = _mm_shuffle_epi8(a, three ? kMaskSwap32_3 : kMaskSwap32_2)); VertexManager::s_pCurBufferPointer += sizeof(float) * 3;
_mm_storeu_si128((__m128i*)VertexManager::s_pCurBufferPointer, b); LOG_VTX();
VertexManager::s_pCurBufferPointer += sizeof(float) * 3;
LOG_VTX();
}
} }
#endif #endif