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radv/ac/llvm: shadow samplers only return one value.

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The intrinsic engine asserts in llvm due to this.

Reported-by: Christoph Haag <haagch+mesadev@frickel.club>
Cc: "13.0" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2016-10-25 07:47:13 +10:00
parent 9838db8f64
commit b56b54cbf1
1 changed files with 3 additions and 1 deletions
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4
src/amd/common/ac_nir_to_llvm.c
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@ -3627,7 +3627,9 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
result = build_tex_intrinsic(ctx, instr, &tinfo);
if (instr->op == nir_texop_query_levels)
if (instr->is_shadow)
result = LLVMBuildExtractElement(ctx->builder, result, ctx->i32zero, "");
else if (instr->op == nir_texop_query_levels)
result = LLVMBuildExtractElement(ctx->builder, result, LLVMConstInt(ctx->i32, 3, false), "");
else if (instr->op == nir_texop_txs &&
instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE &&