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| author | Matt Turner <mattst88@gmail.com> | 2012-07-20 10:03:10 -0700 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2012-07-21 08:23:38 -0700 |
| commit | ec79138138c3c88afb2052823b1e3f5271493085 (patch) | |
| tree | 267c55fc8713925e09cbe4970a4f0fa55317639b /src | |
| parent | bd9bf7a42473dfbdae4b61dd2556eba9529e9dd0 (diff) | |
| download | external_mesa3d-ec79138138c3c88afb2052823b1e3f5271493085.zip external_mesa3d-ec79138138c3c88afb2052823b1e3f5271493085.tar.gz external_mesa3d-ec79138138c3c88afb2052823b1e3f5271493085.tar.bz2 | |
Use INV_SQRT instead of 1/SQRTF
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/math/m_debug_norm.c | 4 | ||||
| -rw-r--r-- | src/mesa/tnl/t_vb_points.c | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/src/mesa/math/m_debug_norm.c b/src/mesa/math/m_debug_norm.c index 02eb1f9..dc768f3 100644 --- a/src/mesa/math/m_debug_norm.c +++ b/src/mesa/math/m_debug_norm.c @@ -165,7 +165,7 @@ static void ref_norm_transform_normalize( const GLmatrix *mat, /* Hmmm, don't know how we could test the precalculated * length case... */ - scale = 1.0 / SQRTF( len ); + scale = INV_SQRTF( len ); SCALE_SCALAR_3V( out[i], scale, t ); } else { out[i][0] = out[i][1] = out[i][2] = 0; @@ -241,7 +241,7 @@ static int test_norm_function( normal_func func, int mtype, long *cycles ) ASSIGN_3V( d2[i], 0.0, 0.0, 0.0 ); for ( j = 0 ; j < 3 ; j++ ) s[i][j] = rnd(); - length[i] = 1 / SQRTF( LEN_SQUARED_3FV( s[i] ) ); + length[i] = INV_SQRTF( LEN_SQUARED_3FV( s[i] ) ); } source->data = (GLfloat(*)[4]) s; diff --git a/src/mesa/tnl/t_vb_points.c b/src/mesa/tnl/t_vb_points.c index 9edbbc7..0e33b69 100644 --- a/src/mesa/tnl/t_vb_points.c +++ b/src/mesa/tnl/t_vb_points.c @@ -64,7 +64,7 @@ run_point_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage) for (i = 0; i < VB->Count; i++) { const GLfloat dist = FABSF(*eyeCoord); const GLfloat q = p0 + dist * (p1 + dist * p2); - const GLfloat atten = (q != 0.0F) ? SQRTF(1.0F / q) : 1.0F; + const GLfloat atten = (q != 0.0F) ? INV_SQRTF(q) : 1.0F; size[i][0] = pointSize * atten; /* clamping done in rasterization */ eyeCoord += eyeCoordStride; } |