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-rw-r--r--src/gallium/auxiliary/draw/draw_llvm.c32
1 files changed, 10 insertions, 22 deletions
diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c
index 68f636957d0..84e33926a2b 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_llvm.c
@@ -2040,31 +2040,19 @@ generate_mask_value(struct draw_gs_llvm_variant *variant,
{
struct gallivm_state *gallivm = variant->gallivm;
LLVMBuilderRef builder = gallivm->builder;
- LLVMValueRef bits[16];
- struct lp_type mask_type = lp_int_type(gs_type);
- struct lp_type mask_elem_type = lp_elem_type(mask_type);
- LLVMValueRef mask_val = lp_build_const_vec(gallivm,
- mask_type,
- 0);
+ struct lp_type mask_type = lp_int_type(gs_type);
+ LLVMValueRef num_prims;
+ LLVMValueRef mask_val = lp_build_const_vec(gallivm, mask_type, 0);
unsigned i;
- assert(gs_type.length <= Elements(bits));
-
- for (i = gs_type.length; i >= 1; --i) {
- int idx = i - 1;
- LLVMValueRef ind = lp_build_const_int32(gallivm, i);
- bits[idx] = lp_build_compare(gallivm,
- mask_elem_type, PIPE_FUNC_GEQUAL,
- variant->num_prims, ind);
- }
- for (i = 0; i < gs_type.length; ++i) {
- LLVMValueRef ind = lp_build_const_int32(gallivm, i);
- mask_val = LLVMBuildInsertElement(builder, mask_val, bits[i], ind, "");
+ num_prims = lp_build_broadcast(gallivm, lp_build_vec_type(gallivm, mask_type),
+ variant->num_prims);
+ for (i = 0; i <= gs_type.length; i++) {
+ LLVMValueRef idx = lp_build_const_int32(gallivm, i);
+ mask_val = LLVMBuildInsertElement(builder, mask_val, idx, idx, "");
}
- mask_val = lp_build_compare(gallivm,
- mask_type, PIPE_FUNC_NOTEQUAL,
- mask_val,
- lp_build_const_int_vec(gallivm, mask_type, 0));
+ mask_val = lp_build_compare(gallivm, mask_type,
+ PIPE_FUNC_GREATER, num_prims, mask_val);
return mask_val;
}