src/graphics/lib/compute/forma/BUILD.gn

# Copyright 2020 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/components.gni")
import("//build/rust/rustc_library.gni")

rustc_library("forma") {
  name = "forma"
  with_unit_tests = true
  version = "0.1.0"
  edition = "2021"
  deps = [
    "//src/graphics/lib/compute/surpass",
    "//src/lib/trace/rust:trace",
    "//third_party/rust_crates:rustc-hash",
  ]

  # TODO(https://fxbug.dev/42133844): Fix the leaks and remove this.
  test_deps = [ "//build/config/sanitizers:suppress-lsan.DO-NOT-USE-THIS" ]

  configs += [ ":forma-performance" ]

  sources = [
    "src/buffer.rs",
    "src/composition/interner.rs",
    "src/composition/layer.rs",
    "src/composition/mod.rs",
    "src/composition/state.rs",
    "src/layer.rs",
    "src/lib.rs",
    "src/renderer/cpu.rs",
    "src/renderer/mod.rs",
    "src/small_bit_set.rs",
    "src/utils.rs",
  ]
}

config("forma-performance") {
  # Enable all optimizations that benefit speed, even if they increase size
  configs = [ "//build/config:optimize_speed" ]

  if (target_cpu == "x64") {
    # TODO(https://fxbug.dev/42168719): not all x64 targets are haswell.
    # Consider moving this to a board config.
    configs += [ "//build/config/x64:haswell" ]
  }

  if (target_cpu == "arm64") {
    # TODO(https://fxbug.dev/42168343): the flag below is not added by default.
    # It's safe to remove the line below when //build/config/arm64:cortex-a53
    # picks up this flag.
    # Also note that not all arm64 targets are cortex-a53.
    # Depending on your target board this optimization flag may actually
    # cause a regression.
    rustflags = [ "-Ctarget-cpu=cortex-a53" ]
  }
}

fuchsia_unittest_package("forma-tests") {
  deps = [ ":forma_test" ]
}