diff options
| -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 50e0402d278..309308c983b 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; |