diff options
Diffstat (limited to 'src/mesa/vbo/vbo_rebase.c')
| -rw-r--r-- | src/mesa/vbo/vbo_rebase.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/src/mesa/vbo/vbo_rebase.c b/src/mesa/vbo/vbo_rebase.c index dae778e741..799a25fc1c 100644 --- a/src/mesa/vbo/vbo_rebase.c +++ b/src/mesa/vbo/vbo_rebase.c @@ -126,7 +126,20 @@ void vbo_rebase_prims( GLcontext *ctx, if (0) _mesa_printf("%s %d..%d\n", __FUNCTION__, min_index, max_index); - if (ib) { + + if (ib && ctx->Extensions.ARB_draw_elements_base_vertex) { + /* If we can just tell the hardware or the TNL to interpret our + * indices with a different base, do so. + */ + tmp_prims = (struct _mesa_prim *)_mesa_malloc(sizeof(*prim) * nr_prims); + + for (i = 0; i < nr_prims; i++) { + tmp_prims[i] = prim[i]; + tmp_prims[i].basevertex -= min_index; + } + + prim = tmp_prims; + } else if (ib) { /* Unfortunately need to adjust each index individually. */ GLboolean map_ib = ib->obj->Name && !ib->obj->Pointer; @@ -161,7 +174,7 @@ void vbo_rebase_prims( GLcontext *ctx, GL_ELEMENT_ARRAY_BUFFER, ib->obj); - tmp_ib.obj = ctx->Array.NullBufferObj; + tmp_ib.obj = ctx->Shared->NullBufferObj; tmp_ib.ptr = tmp_indices; tmp_ib.count = ib->count; tmp_ib.type = ib->type; @@ -208,6 +221,7 @@ void vbo_rebase_prims( GLcontext *ctx, prim, nr_prims, ib, + GL_TRUE, 0, max_index - min_index ); |