diff options
author | alanh <alanh> | 2003-03-25 12:39:27 +0000 |
---|---|---|
committer | alanh <alanh> | 2003-03-25 12:39:27 +0000 |
commit | 82f30d01497980daf1d339ba6f5031a0de0e46d1 (patch) | |
tree | 667cfda64da3e25369f65161a6144818f094388e /xc/extras/Mesa/src/math/m_norm_tmp.h | |
parent | 881785ab41b1901f9d745358896bb603d023598a (diff) |
merge current Mesa 5.1
Diffstat (limited to 'xc/extras/Mesa/src/math/m_norm_tmp.h')
-rw-r--r-- | xc/extras/Mesa/src/math/m_norm_tmp.h | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/xc/extras/Mesa/src/math/m_norm_tmp.h b/xc/extras/Mesa/src/math/m_norm_tmp.h index 90ca38093..c12afe5d1 100644 --- a/xc/extras/Mesa/src/math/m_norm_tmp.h +++ b/xc/extras/Mesa/src/math/m_norm_tmp.h @@ -1,9 +1,10 @@ +/* $Id: m_norm_tmp.h,v 1.6 2003/03/25 12:41:07 alanh Exp $ */ /* * Mesa 3-D graphics library - * Version: 4.1 + * Version: 5.1 * - * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -68,10 +69,10 @@ TAG(transform_normalize_normals)( const GLmatrix *mat, { GLdouble len = tx*tx + ty*ty + tz*tz; if (len > 1e-20) { - GLdouble scale = 1.0 / GL_SQRT(len); - out[i][0] = (GLfloat) (tx * scale); - out[i][1] = (GLfloat) (ty * scale); - out[i][2] = (GLfloat) (tz * scale); + GLfloat scale = INV_SQRTF(len); + out[i][0] = tx * scale; + out[i][1] = ty * scale; + out[i][2] = tz * scale; } else { out[i][0] = out[i][1] = out[i][2] = 0; @@ -135,10 +136,10 @@ TAG(transform_normalize_normals_no_rot)( const GLmatrix *mat, { GLdouble len = tx*tx + ty*ty + tz*tz; if (len > 1e-20) { - GLdouble scale = 1.0 / GL_SQRT(len); - out[i][0] = (GLfloat) (tx * scale); - out[i][1] = (GLfloat) (ty * scale); - out[i][2] = (GLfloat) (tz * scale); + GLfloat scale = INV_SQRTF(len); + out[i][0] = tx * scale; + out[i][1] = ty * scale; + out[i][2] = tz * scale; } else { out[i][0] = out[i][1] = out[i][2] = 0; @@ -322,10 +323,10 @@ TAG(normalize_normals)( const GLmatrix *mat, const GLfloat x = from[0], y = from[1], z = from[2]; GLdouble len = x * x + y * y + z * z; if (len > 1e-50) { - len = 1.0 / GL_SQRT(len); - out[i][0] = (GLfloat) (x * len); - out[i][1] = (GLfloat) (y * len); - out[i][2] = (GLfloat) (z * len); + len = INV_SQRTF(len); + out[i][0] = x * len; + out[i][1] = y * len; + out[i][2] = z * len; } else { out[i][0] = x; |