diff options
author | Dave Airlie <airlied@redhat.com> | 2020-01-23 17:17:21 +1000 |
---|---|---|
committer | Marge Bot <eric+marge@anholt.net> | 2020-02-07 00:54:42 +0000 |
commit | 7e6690b1a62ff3b8e2576bd35d5f9bc530464032 (patch) | |
tree | 6b3ef65ab85466859872a631b10c4c2187e717f9 /src | |
parent | 72154c9075269d2022ede04f233a08bb9751f104 (diff) |
draw: don't emit vertex to streams with no outputs
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3530>
Diffstat (limited to 'src')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_llvm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c index 0960124bafe..0701082850f 100644 --- a/src/gallium/auxiliary/draw/draw_llvm.c +++ b/src/gallium/auxiliary/draw/draw_llvm.c @@ -1557,12 +1557,17 @@ draw_gs_llvm_emit_vertex(const struct lp_build_gs_iface *gs_base, indices[i] = LLVMBuildAdd(builder, indices[i], currently_emitted, ""); } + LLVMValueRef stream_idx = LLVMBuildExtractElement(builder, stream_id, lp_build_const_int32(gallivm, 0), ""); + LLVMValueRef cnd = LLVMBuildICmp(builder, LLVMIntULT, stream_idx, lp_build_const_int32(gallivm, variant->shader->base.num_vertex_streams), ""); + struct lp_build_if_state if_ctx; + lp_build_if(&if_ctx, gallivm, cnd); io = lp_build_pointer_get(builder, io, LLVMBuildExtractElement(builder, stream_id, lp_build_const_int32(gallivm, 0), "")); convert_to_aos(gallivm, io, indices, outputs, clipmask, gs_info->num_outputs, gs_type, FALSE); + lp_build_endif(&if_ctx); } static void |