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draw: don't emit vertex to streams with no outputs

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Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3530>
This commit is contained in:
Dave Airlie 2020-01-23 17:17:21 +10:00 • committed by Marge Bot
parent 72154c9075
commit 7e6690b1a6
1 changed files with 5 additions and 0 deletions
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5
src/gallium/auxiliary/draw/draw_llvm.c
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@ -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