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#if 0
/*
mircea@INFO: this doesn't do normalization.
*/
#include "Runtime/Math/Simd/Matrix4x4Simd.h"
template<TransformInstruction transformInstruction, int bonesPerVertexCount,
bool skinNormal, bool skinTangent, bool copy8BytesAt24Offset>
void SkinGenericSimd (SkinMeshInfo& info)
{
DebugAssertIf( copy8BytesAt24Offset && (!info.skinNormals || info.normalOffset != 12) );
const int* influence1 = reinterpret_cast<const int*> (info.compactSkin);
const BoneInfluence2* influence2 = reinterpret_cast<const BoneInfluence2*> (info.compactSkin);
const BoneInfluence* influence4 = reinterpret_cast<const BoneInfluence*> (info.compactSkin);
const Matrix4x4f* bones4x4 = info.cachedPose;
const int inStride = info.inStride;
int outStride = info.outStride;
int count = info.vertexCount;
const int normalOffset = (copy8BytesAt24Offset ? 12 : info.normalOffset) >> 2;
const int tangentOffset = info.tangentOffset >> 2;
const UInt8* inputVertex = (const UInt8*)info.inVertices;
UInt8* outputVertex = (UInt8*)info.outVertices;
Simd128 pose0, pose1, pose2, pose3;
for( int v = 0; v < count; v++ )
{
ALIGN_LOOP_OPTIMIZATION
// Blend the matrices first, then transform everything with this
// blended matrix. Gives a small speed boost on XCode/Intel (11.3 to 12.00 FPS
// in skin4 bench), and a good boost on MSVC/Windows (9.6 to 12.4 FPS).
if (bonesPerVertexCount == 1)
{
const float* maddr = bones4x4[*influence1].m_Data;
Prefetch(maddr);
pose0 = V4LoadUnaligned( maddr, 0x0 );
pose1 = V4LoadUnaligned( maddr, 0x4 );
pose2 = V4LoadUnaligned( maddr, 0x8 );
pose3 = V4LoadUnaligned( maddr, 0xC );
}
else if (bonesPerVertexCount == 2)
{
Prefetch(influence2);
Simd128 weights = {influence2->weight[0], influence2->weight[1], 0, 0};
const float* maddr0 = bones4x4[influence2->boneIndex[0]].m_Data;
const float* maddr1 = bones4x4[influence2->boneIndex[1]].m_Data;
Prefetch(maddr0);
Prefetch(maddr1);
Simd128 weight0 = V4Splat(weights, 0);
Simd128 weight1 = V4Splat(weights, 1);
Simd128 mat00 = V4LoadUnaligned( maddr0, 0x0 );
Simd128 mat01 = V4LoadUnaligned( maddr0, 0x4 );
Simd128 mat02 = V4LoadUnaligned( maddr0, 0x8 );
Simd128 mat03 = V4LoadUnaligned( maddr0, 0xC );
Simd128 mat10 = V4LoadUnaligned( maddr1, 0x0 );
Simd128 mat11 = V4LoadUnaligned( maddr1, 0x4 );
Simd128 mat12 = V4LoadUnaligned( maddr1, 0x8 );
Simd128 mat13 = V4LoadUnaligned( maddr1, 0xC );
pose0 = V4Mul(mat00, weight0);
pose1 = V4Mul(mat01, weight0);
pose2 = V4Mul(mat02, weight0);
pose3 = V4Mul(mat03, weight0);
pose0 = V4MulAdd(mat10, weight1, pose0);
pose1 = V4MulAdd(mat11, weight1, pose1);
pose2 = V4MulAdd(mat12, weight1, pose2);
pose3 = V4MulAdd(mat13, weight1, pose3);
}
else if (bonesPerVertexCount == 4)
{
Prefetch(influence4);
Simd128 weights = {influence4->weight[0], influence4->weight[1], influence4->weight[2], influence4->weight[3]};
const float* maddr0 = bones4x4[influence4->boneIndex[0]].m_Data;
const float* maddr1 = bones4x4[influence4->boneIndex[1]].m_Data;
const float* maddr2 = bones4x4[influence4->boneIndex[2]].m_Data;
const float* maddr3 = bones4x4[influence4->boneIndex[3]].m_Data;
Prefetch(maddr0);
Prefetch(maddr1);
Prefetch(maddr2);
Prefetch(maddr3);
Simd128 weight0 = V4Splat(weights, 0);
Simd128 weight1 = V4Splat(weights, 1);
Simd128 weight2 = V4Splat(weights, 2);
Simd128 weight3 = V4Splat(weights, 3);
Simd128 mat00 = V4LoadUnaligned( maddr0, 0x0 );
Simd128 mat01 = V4LoadUnaligned( maddr0, 0x4 );
Simd128 mat02 = V4LoadUnaligned( maddr0, 0x8 );
Simd128 mat03 = V4LoadUnaligned( maddr0, 0xC );
Simd128 mat10 = V4LoadUnaligned( maddr1, 0x0 );
Simd128 mat11 = V4LoadUnaligned( maddr1, 0x4 );
Simd128 mat12 = V4LoadUnaligned( maddr1, 0x8 );
Simd128 mat13 = V4LoadUnaligned( maddr1, 0xC );
Simd128 mat20 = V4LoadUnaligned( maddr2, 0x0 );
Simd128 mat21 = V4LoadUnaligned( maddr2, 0x4 );
Simd128 mat22 = V4LoadUnaligned( maddr2, 0x8 );
Simd128 mat23 = V4LoadUnaligned( maddr2, 0xC );
Simd128 mat30 = V4LoadUnaligned( maddr3, 0x0 );
Simd128 mat31 = V4LoadUnaligned( maddr3, 0x4 );
Simd128 mat32 = V4LoadUnaligned( maddr3, 0x8 );
Simd128 mat33 = V4LoadUnaligned( maddr3, 0xC );
pose0 = V4Mul(mat00, weight0);
pose1 = V4Mul(mat01, weight0);
pose2 = V4Mul(mat02, weight0);
pose3 = V4Mul(mat03, weight0);
pose0 = V4MulAdd(mat10, weight1, pose0);
pose1 = V4MulAdd(mat11, weight1, pose1);
pose2 = V4MulAdd(mat12, weight1, pose2);
pose3 = V4MulAdd(mat13, weight1, pose3);
pose0 = V4MulAdd(mat20, weight2, pose0);
pose1 = V4MulAdd(mat21, weight2, pose1);
pose2 = V4MulAdd(mat22, weight2, pose2);
pose3 = V4MulAdd(mat23, weight2, pose3);
pose0 = V4MulAdd(mat30, weight3, pose0);
pose1 = V4MulAdd(mat31, weight3, pose1);
pose2 = V4MulAdd(mat32, weight3, pose2);
pose3 = V4MulAdd(mat33, weight3, pose3);
}
Prefetch(inputVertex);
Simd128 vpos = V4LoadUnaligned((const float*)inputVertex, 0);
TransformPoint3NATIVE(pose0, pose1, pose2, pose3, vpos, vpos);
Simd128 vnor, vtan, ndot, tdot;
// remember... this is a template and skinNormal & skinTangent are consts
if(skinNormal || skinTangent)
{
Simd128 vlen;
if( skinNormal )
{
vnor = V4LoadUnaligned((const float*)inputVertex, normalOffset);
TransformVector3NATIVE(pose0, pose1, pose2, pose3, vnor, vnor);
ndot = V3Dot(vnor, vnor);
}
else
{
ndot = V4Zero();
}
if( skinTangent )
{
vtan = V4LoadUnaligned((const float*)inputVertex, tangentOffset);
TransformVector3NATIVE(pose0, pose1, pose2, pose3, vtan, vtan);
tdot = V3Dot(vtan, vtan);
}
else
{
tdot = V4Zero();
}
vlen = V4MergeH(ndot, tdot);
vlen = V4Rsqrt(vlen);
if(skinNormal) {
vnor = V4Mul(vnor, V4Splat(vlen, 0));
V3StoreUnaligned(vnor, (float*)outputVertex, normalOffset);
}
if(skinTangent) {
vtan = V4Mul(vtan, V4Splat(vlen, 1));
V3StoreUnaligned(vtan, (float*)outputVertex, tangentOffset);
}
}
V3StoreUnaligned(vpos, (float*)outputVertex, 0);
if( skinTangent )
{
*reinterpret_cast<float*>( outputVertex + (tangentOffset<<2) + sizeof(Vector3f) ) = *reinterpret_cast<const float*>( inputVertex + (tangentOffset<<2) + sizeof(Vector3f) );
}
outputVertex += outStride;
inputVertex += inStride;
if (bonesPerVertexCount == 1)
influence1++;
else if (bonesPerVertexCount == 2)
influence2++;
if (bonesPerVertexCount == 4)
influence4++;
}
}
#endif
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