From bd1cb1e7981ed1b27d1139b258a162d087c2deb4 Mon Sep 17 00:00:00 2001 From: eihrul Date: Sat, 11 Feb 2012 18:28:01 +0000 Subject: [PATCH] dual quat -> matrix optimizations git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11681 d7cf8633-e32d-0410-b094-e92efae38249 --- mod_skeletal_animatevertices_generic.c | 31 ++++++++++++++------------ mod_skeletal_animatevertices_sse.c | 31 ++++++++++++++------------ 2 files changed, 34 insertions(+), 28 deletions(-) diff --git a/mod_skeletal_animatevertices_generic.c b/mod_skeletal_animatevertices_generic.c index 8c5f7d0f..bc268117 100644 --- a/mod_skeletal_animatevertices_generic.c +++ b/mod_skeletal_animatevertices_generic.c @@ -41,7 +41,6 @@ void Mod_Skeletal_AnimateVertices_Generic(const dp_model_t * RESTRICT model, con } else { - float originscale = -model->num_posescale; for (i = 0;i < model->num_bones;i++) { const short * RESTRICT pose7s = model->data_poses7s + 7 * (frameblend[0].subframe * model->num_bones + i); @@ -55,7 +54,7 @@ void Mod_Skeletal_AnimateVertices_Generic(const dp_model_t * RESTRICT model, con dy = -tx*rz + ty*rw + tz*rx, dz = tx*ry - ty*rx + tz*rw, dw = -tx*rx - ty*ry - tz*rz, - scale; + scale, sx, sy, sz, sw; for (blends = 1;blends < MAX_FRAMEBLENDS && frameblend[blends].lerp > 0;blends++) { const short * RESTRICT pose7s = model->data_poses7s + 7 * (frameblend[blends].subframe * model->num_bones + i); @@ -77,18 +76,22 @@ void Mod_Skeletal_AnimateVertices_Generic(const dp_model_t * RESTRICT model, con dw += -tx*qx - ty*qy - tz*qz; } scale = 1.0f / (rx*rx + ry*ry + rz*rz + rw*rw); - m[0] = scale*(rw*rw + rx*rx - ry*ry - rz*rz); - m[1] = 2*scale*(rx*ry - rw*rz); - m[2] = 2*scale*(rx*rz + rw*ry); - m[3] = originscale*scale*(dw*rx - dx*rw + dy*rz - dz*ry); - m[4] = 2*scale*(rx*ry + rw*rz); - m[5] = scale*(rw*rw + ry*ry - rx*rx - rz*rz); - m[6] = 2*scale*(ry*rz - rw*rx); - m[7] = originscale*scale*(dw*ry - dx*rz - dy*rw + dz*rx); - m[8] = 2*scale*(rx*rz - rw*ry); - m[9] = 2*scale*(ry*rz + rw*rx); - m[10] = scale*(rw*rw + rz*rz - rx*rx - ry*ry); - m[11] = originscale*scale*(dw*rz + dx*ry - dy*rx - dz*rw); + sx = rx * scale; + sy = ry * scale; + sz = rz * scale; + sw = rw * scale; + m[0] = sw*rw + sx*rx - sy*ry - sz*rz; + m[1] = 2*(sx*ry - sw*rz); + m[2] = 2*(sx*rz + sw*ry); + m[3] = model->num_posescale*(dx*sw - dy*sz + dz*sy - dw*sx); + m[4] = 2*(sx*ry + sw*rz); + m[5] = sw*rw + sy*ry - sx*rx - sz*rz; + m[6] = 2*(sy*rz - sw*rx); + m[7] = model->num_posescale*(dx*sz + dy*sw - dz*sx - dw*sy); + m[8] = 2*(sx*rz - sw*ry); + m[9] = 2*(sy*rz + sw*rx); + m[10] = sw*rw + sz*rz - sx*rx - sy*ry; + m[11] = model->num_posescale*(dy*sx + dz*sw - dx*sy - dw*sz); if (i == r_skeletal_debugbone.integer) m[r_skeletal_debugbonecomponent.integer % 12] += r_skeletal_debugbonevalue.value; m[3] *= r_skeletal_debugtranslatex.value; diff --git a/mod_skeletal_animatevertices_sse.c b/mod_skeletal_animatevertices_sse.c index 7eb21a13..648ab31a 100644 --- a/mod_skeletal_animatevertices_sse.c +++ b/mod_skeletal_animatevertices_sse.c @@ -116,7 +116,7 @@ void Mod_Skeletal_AnimateVertices_SSE(const dp_model_t * RESTRICT model, const f dy = -tx*rz + ty*rw + tz*rx, dz = tx*ry - ty*rx + tz*rw, dw = -tx*rx - ty*ry - tz*rz, - scale, originscale; + scale, sx, sy, sz, sw; for (blends = 1;blends < MAX_FRAMEBLENDS && frameblend[blends].lerp > 0;blends++) { const short * RESTRICT pose7s = model->data_poses7s + 7 * (frameblend[blends].subframe * model->num_bones + i); @@ -138,19 +138,22 @@ void Mod_Skeletal_AnimateVertices_SSE(const dp_model_t * RESTRICT model, const f dw += -tx*qx - ty*qy - tz*qz; } scale = 1.0f / (rx*rx + ry*ry + rz*rz + rw*rw); - originscale = -model->num_posescale * scale; - m[0] = scale*(rw*rw + rx*rx - ry*ry - rz*rz); - m[1] = 2*scale*(rx*ry - rw*rz); - m[2] = 2*scale*(rx*rz + rw*ry); - m[3] = originscale*(dw*rx - dx*rw + dy*rz - dz*ry); - m[4] = 2*scale*(rx*ry + rw*rz); - m[5] = scale*(rw*rw + ry*ry - rx*rx - rz*rz); - m[6] = 2*scale*(ry*rz - rw*rx); - m[7] = originscale*(dw*ry - dx*rz - dy*rw + dz*rx); - m[8] = 2*scale*(rx*rz - rw*ry); - m[9] = 2*scale*(ry*rz + rw*rx); - m[10] = scale*(rw*rw + rz*rz - rx*rx - ry*ry); - m[11] = originscale*(dw*rz + dx*ry - dy*rx - dz*rw); + sx = rx * scale; + sy = ry * scale; + sz = rz * scale; + sw = rw * scale; + m[0] = sw*rw + sx*rx - sy*ry - sz*rz; + m[1] = 2*(sx*ry - sw*rz); + m[2] = 2*(sx*rz + sw*ry); + m[3] = model->num_posescale*(dx*sw - dy*sz + dz*sy - dw*sx); + m[4] = 2*(sx*ry + sw*rz); + m[5] = sw*rw + sy*ry - sx*rx - sz*rz; + m[6] = 2*(sy*rz - sw*rx); + m[7] = model->num_posescale*(dx*sz + dy*sw - dz*sx - dw*sy); + m[8] = 2*(sx*rz - sw*ry); + m[9] = 2*(sy*rz + sw*rx); + m[10] = sw*rw + sz*rz - sx*rx - sy*ry; + m[11] = model->num_posescale*(dy*sx + dz*sw - dx*sy - dw*sz); if (i == r_skeletal_debugbone.integer) m[r_skeletal_debugbonecomponent.integer % 12] += r_skeletal_debugbonevalue.value; m[3] *= r_skeletal_debugtranslatex.value; -- 2.39.2