diff options
Diffstat (limited to 'src/gallium/auxiliary/util/u_prim.h')
| -rw-r--r-- | src/gallium/auxiliary/util/u_prim.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/util/u_prim.h b/src/gallium/auxiliary/util/u_prim.h index d80e235ffd9..b4c06df01e0 100644 --- a/src/gallium/auxiliary/util/u_prim.h +++ b/src/gallium/auxiliary/util/u_prim.h @@ -338,7 +338,14 @@ u_stream_outputs_for_vertices(enum pipe_prim_type primitive, unsigned nr) /* Extraneous vertices don't contribute to stream outputs */ u_trim_pipe_prim(primitive, &nr); - /* Consider how many primitives are actually generated */ + /* Polygons are special, since they are a single primitive with many + * vertices. In this case, we just have an output for each vertex (after + * trimming) */ + + if (primitive == PIPE_PRIM_POLYGON) + return nr; + + /* Normally, consider how many primitives are actually generated */ unsigned prims = u_decomposed_prims_for_vertices(primitive, nr); /* One output per vertex after decomposition */ |