diff options
| author | Brian Paul <[email protected]> | 2003-03-04 16:33:53 +0000 |
|---|---|---|
| committer | Brian Paul <[email protected]> | 2003-03-04 16:33:53 +0000 |
| commit | f9b1e5241facc8cf255c258082d5cb5b04783e93 (patch) | |
| tree | ea3bb1859dba42e746b0f14dce5193b81c922ac5 /src/mesa/swrast/s_span.c | |
| parent | 386578c5bcc5c6701a6b9692cdc04cfe4064ca06 (diff) | |
added _mesa_inv_sqrtf() and INV_SQRTF() (Josh Vanderhoof)
Diffstat (limited to 'src/mesa/swrast/s_span.c')
| -rw-r--r-- | src/mesa/swrast/s_span.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c index d4081518036..2106b87c5b6 100644 --- a/src/mesa/swrast/s_span.c +++ b/src/mesa/swrast/s_span.c @@ -1,4 +1,4 @@ -/* $Id: s_span.c,v 1.56 2003/03/01 01:50:26 brianp Exp $ */ +/* $Id: s_span.c,v 1.57 2003/03/04 16:34:03 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -309,8 +309,8 @@ compute_lambda(GLfloat dsdx, GLfloat dsdy, GLfloat dtdx, GLfloat dtdy, GLfloat dvdx = texH * ((t + dtdx) / (q + dqdx) - t * invQ); GLfloat dudy = texW * ((s + dsdy) / (q + dqdy) - s * invQ); GLfloat dvdy = texH * ((t + dtdy) / (q + dqdy) - t * invQ); - GLfloat x = sqrt(dudx * dudx + dvdx * dvdx); - GLfloat y = sqrt(dudy * dudy + dvdy * dvdy); + GLfloat x = SQRTF(dudx * dudx + dvdx * dvdx); + GLfloat y = SQRTF(dudy * dudy + dvdy * dvdy); GLfloat rho = MAX2(x, y); GLfloat lambda = LOG2(rho); return lambda; |