radv: fix samples_identical return value.

This was returning an inversion, so not doing as it should have.

We need to compare the fmask value with 0, and return the result
from that.

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index ad32e15ba122c1fa7bf2c0832850d739158488f0..e2f6bcaaa4ec93704a7c4b5424284ca9f09b20c6 100644 (file)
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -3410,6 +3410,9 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
                                   txf_address, txf_count, 0xf);
 
                result = build_tex_intrinsic(ctx, instr, &txf_info);
+
+               result = LLVMBuildExtractElement(ctx->builder, result, ctx->i32zero, "");
+               result = LLVMBuildICmp(ctx->builder, LLVMIntEQ, result, ctx->i32zero, "");
                goto write_result;
        }