diff options
| author | Brian Paul <brianp@vmware.com> | 2009-08-11 15:46:46 -0600 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2009-08-13 12:25:53 -0600 |
| commit | b9f67df6e72e3a33b91c7d942aaa99622efd688c (patch) | |
| tree | 49e7773c71cb223be6183aee87160a45996e1604 /src/mesa | |
| parent | ace98f09e6e77bba33dd1789506676059bba8e9b (diff) | |
mesa: short-circuit no-change in _mesa_DepthRange()
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/main/viewport.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mesa/main/viewport.c b/src/mesa/main/viewport.c index 50e0402d27..309308c983 100644 --- a/src/mesa/main/viewport.c +++ b/src/mesa/main/viewport.c @@ -120,6 +120,10 @@ _mesa_DepthRange(GLclampd nearval, GLclampd farval) if (MESA_VERBOSE&VERBOSE_API) _mesa_debug(ctx, "glDepthRange %f %f\n", nearval, farval); + if (ctx->Viewport.Near == nearval && + ctx->Viewport.Far == farval) + return; + ctx->Viewport.Near = (GLfloat) CLAMP(nearval, 0.0, 1.0); ctx->Viewport.Far = (GLfloat) CLAMP(farval, 0.0, 1.0); ctx->NewState |= _NEW_VIEWPORT; |