diff options
| author | Keith Whitwell <keith@tungstengraphics.com> | 2005-01-05 11:10:05 +0000 |
|---|---|---|
| committer | Keith Whitwell <keith@tungstengraphics.com> | 2005-01-05 11:10:05 +0000 |
| commit | d5b1605449b3a29c02ee74e042a0a32720f3561a (patch) | |
| tree | e29b7e91b128a8d0012b946512cc4a0a3afd4d6f /src/mesa/tnl/t_vb_normals.c | |
| parent | 380ba2daec31a72d3484aabb6bc34905463c46c9 (diff) | |
If there is only one normal, don't transform it multiple times.
Diffstat (limited to 'src/mesa/tnl/t_vb_normals.c')
| -rw-r--r-- | src/mesa/tnl/t_vb_normals.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mesa/tnl/t_vb_normals.c b/src/mesa/tnl/t_vb_normals.c index 732e7c6f4e..d82008821f 100644 --- a/src/mesa/tnl/t_vb_normals.c +++ b/src/mesa/tnl/t_vb_normals.c @@ -68,11 +68,23 @@ static GLboolean run_normal_stage( GLcontext *ctx, else lengths = VB->NormalLengthPtr; + /* If there is only one normal, don't transform it multiple times: + */ + if (VB->NormalPtr->stride == 0) + VB->NormalPtr->count = 1; + store->NormalTransform( ctx->ModelviewMatrixStack.Top, ctx->_ModelViewInvScale, VB->NormalPtr, /* input normals */ lengths, &store->normal ); /* resulting normals */ + + if (VB->NormalPtr->stride == 0) { + VB->NormalPtr->count = VB->Count; + store->normal.stride = 0; + } + else + store->normal.stride = 16; } VB->NormalPtr = &store->normal; |