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#include "UnityPrefix.h"
#include "TransformVertex.h"
#include "Runtime/Math/Matrix4x4.h"
#include "Runtime/Math/Vector4.h"
#include "Runtime/Math/Vector3.h"
#include "Runtime/Math/Vector2.h"
#include "Runtime/Math/Color.h"
#include "Runtime/Misc/CPUInfo.h"
void
TransformVerticesStridedREF( StrideIterator<Vector3f> inPos, StrideIterator<Vector3f> inNormal,
StrideIterator<ColorRGBA32> inColor, StrideIterator<Vector2f> inTexCoord0, StrideIterator<Vector2f> inTexCoord1,
StrideIterator<Vector4f> inTangent,
UInt8* dstData, const Matrix4x4f& m, unsigned vertexCount, bool multiStream )
{
// NOTE: kill this code once all shaders normalize normals & tangents!
//
// We batch uniformly scaled objects, so derive the "normal matrix" here by scaling world matrix axes.
// On reference code seems much cheaper than full normalization of normal/tangent vectors.
// Test with scene of 200k vertices on Core i7 2600K: no handling of scale 3.77ms, normalization 8.00ms,
// using scaled normal matrix 3.80ms.
//
// Note that ARM NEON/VFP transformation code does not handle this, but it's not needed on GLES platforms
// since shaders always normalize normal & tangent. Might be needed on WinRT+ARM though (or just disable
// dynamic batching with tangents there).
Matrix4x4f nm;
CopyMatrix(m.GetPtr(), nm.GetPtr());
const float axisLen = Magnitude (m.GetAxisX());
float scale = axisLen > 1.0e-6f ? 1.0f / axisLen : 1.0f;
nm.Get (0, 0) *= scale;
nm.Get (1, 0) *= scale;
nm.Get (2, 0) *= scale;
nm.Get (0, 1) *= scale;
nm.Get (1, 1) *= scale;
nm.Get (2, 1) *= scale;
nm.Get (0, 2) *= scale;
nm.Get (1, 2) *= scale;
nm.Get (2, 2) *= scale;
while (vertexCount --> 0)
{
Vector3f* outPos = reinterpret_cast<Vector3f*> (dstData);
m.MultiplyPoint3(*inPos, *outPos);
dstData += sizeof(Vector3f);
++inPos;
if (inNormal.GetPointer())
{
Vector3f* outNormal = reinterpret_cast<Vector3f*> (dstData);
nm.MultiplyVector3(*inNormal, *outNormal);
dstData += sizeof(Vector3f);
++inNormal;
}
if (inColor.GetPointer())
{
memcpy(dstData, inColor.GetPointer(), sizeof(ColorRGBA32));
dstData += sizeof(ColorRGBA32);
++inColor;
}
if (inTexCoord0.GetPointer())
{
memcpy(dstData, inTexCoord0.GetPointer(), sizeof(Vector2f));
dstData += sizeof(Vector2f);
++inTexCoord0;
}
if (inTexCoord1.GetPointer())
{
memcpy(dstData, inTexCoord1.GetPointer(), sizeof(Vector2f));
dstData += sizeof(Vector2f);
++inTexCoord1;
}
if (inTangent.GetPointer())
{
Vector4f* outTangent = reinterpret_cast<Vector4f*> (dstData);
Vector3f* outTangentXYZ = reinterpret_cast<Vector3f*> (outTangent);
nm.MultiplyVector3(reinterpret_cast<const Vector3f&>(*inTangent), *outTangentXYZ);
outTangent->w = inTangent->w;
dstData += sizeof(Vector4f);
++inTangent;
}
}
}
#if (UNITY_SUPPORTS_NEON && !UNITY_DISABLE_NEON_SKINNING) || UNITY_SUPPORTS_VFP
typedef void (*TransformFunc)( const void*, const void*, const void*, const float*, void*, int );
typedef void (*TransformFuncWithTangents)( const void*, const void*, const void*, const float*, void*, int, const void* );
#if UNITY_SUPPORTS_NEON
namespace TransformNEON
{
#define TRANSFORM_FUNC(prefix, addData) s_TransformVertices_Strided_##prefix##_##addData##_NEON
TransformFunc TransformXYZ[] =
{
TRANSFORM_FUNC(XYZ,0), TRANSFORM_FUNC(XYZ,1), TRANSFORM_FUNC(XYZ,2), TRANSFORM_FUNC(XYZ,3), TRANSFORM_FUNC(XYZ,4), TRANSFORM_FUNC(XYZ,5)
};
TransformFunc TransformXYZN[] =
{
TRANSFORM_FUNC(XYZN,0), TRANSFORM_FUNC(XYZN,1), TRANSFORM_FUNC(XYZN,2), TRANSFORM_FUNC(XYZN,3), TRANSFORM_FUNC(XYZN,4), TRANSFORM_FUNC(XYZN,5)
};
TransformFuncWithTangents TransformXYZNT[] =
{
TRANSFORM_FUNC(XYZNT,0), TRANSFORM_FUNC(XYZNT,1), TRANSFORM_FUNC(XYZNT,2), TRANSFORM_FUNC(XYZNT,3), TRANSFORM_FUNC(XYZNT,4), TRANSFORM_FUNC(XYZNT,5)
};
#undef TRANSFORM_FUNC
}
#endif // UNITY_SUPPORTS_NEON
#if UNITY_SUPPORTS_VFP
namespace TransformVFP
{
#define TRANSFORM_FUNC(prefix, addData) s_TransformVertices_Strided_##prefix##_##addData##_VFP
TransformFunc TransformXYZ[] =
{
TRANSFORM_FUNC(XYZ,0), TRANSFORM_FUNC(XYZ,1), TRANSFORM_FUNC(XYZ,2), TRANSFORM_FUNC(XYZ,3), TRANSFORM_FUNC(XYZ,4), TRANSFORM_FUNC(XYZ,5)
};
TransformFunc TransformXYZN[] =
{
TRANSFORM_FUNC(XYZN,0), TRANSFORM_FUNC(XYZN,1), TRANSFORM_FUNC(XYZN,2), TRANSFORM_FUNC(XYZN,3), TRANSFORM_FUNC(XYZN,4), TRANSFORM_FUNC(XYZN,5)
};
TransformFuncWithTangents TransformXYZNT[] =
{
TRANSFORM_FUNC(XYZNT,0), TRANSFORM_FUNC(XYZNT,1), TRANSFORM_FUNC(XYZNT,2), TRANSFORM_FUNC(XYZNT,3), TRANSFORM_FUNC(XYZNT,4), TRANSFORM_FUNC(XYZNT,5)
};
#undef TRANSFORM_FUNC
}
#endif // UNITY_SUPPORTS_VFP
void
TransformVerticesStridedARM( StrideIterator<Vector3f> inPos, StrideIterator<Vector3f> inNormal,
StrideIterator<ColorRGBA32> inColor, StrideIterator<Vector2f> inTexCoord0, StrideIterator<Vector2f> inTexCoord1,
StrideIterator<Vector4f> inTangent,
UInt8* dstData, const Matrix4x4f& m, unsigned vertexCount, bool multiStream )
{
int addDataSize = 0;
if( inColor.GetPointer() ) addDataSize += 1;
if( inTexCoord0.GetPointer() ) addDataSize += 2;
if( inTexCoord1.GetPointer() ) addDataSize += 2;
const void* addDataSrc = 0;
if( inColor.GetPointer() ) addDataSrc = inColor.GetPointer();
else if( inTexCoord0.GetPointer() ) addDataSrc = inTexCoord0.GetPointer();
else if( inTexCoord1.GetPointer() ) addDataSrc = inTexCoord1.GetPointer();
// slow path determination
if( (inColor.GetPointer() && inTexCoord1.GetPointer() && !inTexCoord0.GetPointer())
|| (inTangent.GetPointer() && !inNormal.GetPointer()) || multiStream )
{
TransformVerticesStridedREF(inPos, inNormal, inColor, inTexCoord0, inTexCoord1, inTangent, dstData, m, vertexCount, multiStream);
return;
}
int stride = inPos.GetStride();
const UInt8* inDataBegin = static_cast<const UInt8*>(inPos.GetPointer());
const UInt8* inDataEnd = inDataBegin + vertexCount * stride;
#if UNITY_SUPPORTS_NEON
if (CPUInfo::HasNEONSupport())
{
using namespace TransformNEON;
if( inNormal.GetPointer() && inTangent.GetPointer() )
TransformXYZNT[addDataSize]( inDataBegin, inDataEnd, addDataSrc, m.m_Data, dstData, stride, inTangent.GetPointer() );
else if( inNormal.GetPointer() )
TransformXYZN[addDataSize]( inDataBegin, inDataEnd, addDataSrc, m.m_Data, dstData, stride );
else
TransformXYZ[addDataSize]( inDataBegin, inDataEnd, addDataSrc, m.m_Data, dstData, stride );
}
else
#endif
#if UNITY_SUPPORTS_VFP
{
using namespace TransformVFP;
if( inNormal.GetPointer() && inTangent.GetPointer() )
TransformXYZNT[addDataSize]( inDataBegin, inDataEnd, addDataSrc, m.m_Data, dstData, stride, inTangent.GetPointer() );
else if( inNormal.GetPointer() )
TransformXYZN[addDataSize]( inDataBegin, inDataEnd, addDataSrc, m.m_Data, dstData, stride );
else
TransformXYZ[addDataSize]( inDataBegin, inDataEnd, addDataSrc, m.m_Data, dstData, stride );
}
#else
{
ErrorString("non-NEON path not enabled!");
}
#endif
}
#endif
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