diff options
| -rw-r--r-- | src/amd/common/ac_nir_to_llvm.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c index f75d8958fc..8b76cd9cbe 100644 --- a/src/amd/common/ac_nir_to_llvm.c +++ b/src/amd/common/ac_nir_to_llvm.c @@ -4483,7 +4483,19 @@ static void visit_tex(struct ac_nir_context *ctx, nir_tex_instr *instr) /* Pack depth comparison value */ if (instr->is_shadow && comparator) { - address[count++] = llvm_extract_elem(&ctx->ac, comparator, 0); + LLVMValueRef z = llvm_extract_elem(&ctx->ac, comparator, 0); + + /* TC-compatible HTILE promotes Z16 and Z24 to Z32_FLOAT, + * so the depth comparison value isn't clamped for Z16 and + * Z24 anymore. Do it manually here. + * + * It's unnecessary if the original texture format was + * Z32_FLOAT, but we don't know that here. + */ + if (ctx->abi->chip_class == VI) + z = ac_build_clamp(&ctx->ac, z); + + address[count++] = z; } /* pack derivatives */ |