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Simple SSE3 skinning algorithm

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Future direction: do lots of work such that hsMatrix44 and hsScalarTriple
are 16-byte aligned so that we can use faster aligned loads
This commit is contained in:
Adam Johnson
2012-04-11 21:25:47 -04:00
parent 31a9862167
commit bb47f83cf3
4 changed files with 115 additions and 33 deletions
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108
Sources/Plasma/PubUtilLib/plPipeline/plDXPipeline.cpp
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@ -163,6 +163,10 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
#include <algorithm>
#ifdef HAVE_SSE
# include <smmintrin.h>
#endif
//#define MF_TOSSER
int mfCurrentTest = 100;
@ -10523,39 +10527,77 @@ void plDXPipeline::LoadResources()
// Sorry about this, but it really did speed up the skinning.
// Just some macros for the inner loop of IBlendVertsIntoBuffer.
#define MATRIXMULTBEGIN(xfm, wgt) \
register float m00 = xfm.fMap[0][0]; \
register float m01 = xfm.fMap[0][1]; \
register float m02 = xfm.fMap[0][2]; \
register float m03 = xfm.fMap[0][3]; \
register float m10 = xfm.fMap[1][0]; \
register float m11 = xfm.fMap[1][1]; \
register float m12 = xfm.fMap[1][2]; \
register float m13 = xfm.fMap[1][3]; \
register float m20 = xfm.fMap[2][0]; \
register float m21 = xfm.fMap[2][1]; \
register float m22 = xfm.fMap[2][2]; \
register float m23 = xfm.fMap[2][3]; \
register float m_wgt = wgt; \
register float srcX, srcY, srcZ;
#define MATRIXMULTPOINTADD(dst, src) \
srcX = src.fX; \
srcY = src.fY; \
srcZ = src.fZ; \
\
dst.fX += (srcX * m00 + srcY * m01 + srcZ * m02 + m03) * m_wgt; \
dst.fY += (srcX * m10 + srcY * m11 + srcZ * m12 + m13) * m_wgt; \
dst.fZ += (srcX * m20 + srcY * m21 + srcZ * m22 + m23) * m_wgt;
#define MATRIXMULTVECTORADD(dst, src) \
srcX = src.fX; \
srcY = src.fY; \
srcZ = src.fZ; \
\
dst.fX += (srcX * m00 + srcY * m01 + srcZ * m02) * m_wgt; \
dst.fY += (srcX * m10 + srcY * m11 + srcZ * m12) * m_wgt; \
dst.fZ += (srcX * m20 + srcY * m21 + srcZ * m22) * m_wgt;
#ifdef HAVE_SSE
# define MATRIXMULTBEGIN(xfm, wgt) \
__m128 mc0, mc1, mc2, mwt, msr, _x, _y, _z, hbuf; \
ALIGN(16) float hack[4]; \
mc0 = _mm_loadu_ps(xfm.fMap[0]); \
mc1 = _mm_loadu_ps(xfm.fMap[1]); \
mc2 = _mm_loadu_ps(xfm.fMap[2]); \
mwt = _mm_set_ps1(wgt);
# define MATRIXMULTPOINTADD(dst, src) \
msr = _mm_set_ps(1.f, src.fZ, src.fY, src.fX); \
_x = _mm_mul_ps(_mm_mul_ps(mc0, msr), mwt); \
_y = _mm_mul_ps(_mm_mul_ps(mc1, msr), mwt); \
_z = _mm_mul_ps(_mm_mul_ps(mc2, msr), mwt); \
\
hbuf = _mm_hadd_ps(_x, _y); \
hbuf = _mm_hadd_ps(hbuf, hbuf); \
_mm_store_ps(hack, hbuf); \
dst.fX += hack[0]; \
dst.fY += hack[1]; \
hbuf = _mm_hadd_ps(_z, _z); \
hbuf = _mm_hadd_ps(hbuf, hbuf); \
_mm_store_ps(hack, hbuf); \
dst.fZ += hack[0];
# define MATRIXMULTVECTORADD(dst, src) \
msr = _mm_set_ps(0.f, src.fZ, src.fY, src.fX); \
_x = _mm_mul_ps(_mm_mul_ps(mc0, msr), mwt); \
_y = _mm_mul_ps(_mm_mul_ps(mc1, msr), mwt); \
_z = _mm_mul_ps(_mm_mul_ps(mc2, msr), mwt); \
\
hbuf = _mm_hadd_ps(_x, _y); \
hbuf = _mm_hadd_ps(hbuf, hbuf); \
_mm_store_ps(hack, hbuf); \
dst.fX += hack[0]; \
dst.fY += hack[1]; \
hbuf = _mm_hadd_ps(_z, _z); \
hbuf = _mm_hadd_ps(hbuf, hbuf); \
_mm_store_ps(hack, hbuf); \
dst.fZ += hack[0];
#else
# define MATRIXMULTBEGIN(xfm, wgt) \
float m00 = xfm.fMap[0][0]; \
float m01 = xfm.fMap[0][1]; \
float m02 = xfm.fMap[0][2]; \
float m03 = xfm.fMap[0][3]; \
float m10 = xfm.fMap[1][0]; \
float m11 = xfm.fMap[1][1]; \
float m12 = xfm.fMap[1][2]; \
float m13 = xfm.fMap[1][3]; \
float m20 = xfm.fMap[2][0]; \
float m21 = xfm.fMap[2][1]; \
float m22 = xfm.fMap[2][2]; \
float m23 = xfm.fMap[2][3]; \
float m_wgt = wgt; \
float srcX, srcY, srcZ;
# define MATRIXMULTPOINTADD(dst, src) \
srcX = src.fX; \
srcY = src.fY; \
srcZ = src.fZ; \
\
dst.fX += (srcX * m00 + srcY * m01 + srcZ * m02 + m03) * m_wgt; \
dst.fY += (srcX * m10 + srcY * m11 + srcZ * m12 + m13) * m_wgt; \
dst.fZ += (srcX * m20 + srcY * m21 + srcZ * m22 + m23) * m_wgt;
# define MATRIXMULTVECTORADD(dst, src) \
srcX = src.fX; \
srcY = src.fY; \
srcZ = src.fZ; \
\
dst.fX += (srcX * m00 + srcY * m01 + srcZ * m02) * m_wgt; \
dst.fY += (srcX * m10 + srcY * m11 + srcZ * m12) * m_wgt; \
dst.fZ += (srcX * m20 + srcY * m21 + srcZ * m22) * m_wgt;
#endif // HAVE_SSE
// inlTESTPOINT /////////////////////////////////////////
// Update mins and maxs if destP is outside.