| # Copyright (c) 2020 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # This file contains configs that need to be added or removed to all |
| # SwiftShader libraries |
| |
| import("../swiftshader.gni") |
| import("//build_overrides/build.gni") |
| |
| declare_args() { |
| # Subzero doesn't support ARM64, LOONGARCH64, MIPS64, PPC64, and RISCV64 (only x86 and ARMv7a). |
| supports_subzero = current_cpu != "arm64" && current_cpu != "mips64el" && current_cpu != "ppc64" && current_cpu != "riscv64" && current_cpu != "loong64" |
| } |
| |
| declare_args() { |
| supports_llvm = is_linux || is_chromeos || is_fuchsia || is_win || is_android |
| # LLVM uses C++17 features which require macOS 10.12, while Chrome's minimum platform for x86 is 10.11. |
| # Don't build LLVM on Mac, unless we have to. This only happens on ARM64 devices, which launched with 11.0. |
| # TODO(b/174843857): Remove check for !supports_subzero once Chrome supports macOS 10.12 |
| || (is_mac && !supports_subzero) |
| } |
| |
| declare_args() { |
| # Subzero produces much smaller binaries, so always use it when available, |
| # except for MSan builds which only get Reactor code instrumented with LLVM. |
| use_swiftshader_with_subzero = supports_subzero && !is_msan |
| } |