# Copyright 2015 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.

import("//testing/test.gni")
import("//build/config/chromecast_build.gni")
import("//third_party/angle/build/angle_common.gni")

unittests_gypi = exec_script("//build/gypi_to_gn.py",
                             [
                               rebase_path("angle_unittests.gypi"),
                               "--replace=<(angle_path)=.",
                             ],
                             "scope",
                             [ "angle_unittests.gypi" ])

test("angle_unittests") {
  include_dirs = [
    "testing/gtest/include",
    "../../src",
  ]

  sources = rebase_path(unittests_gypi.angle_unittests_sources, ".", "../..")

  if (angle_enable_hlsl) {
    sources +=
        rebase_path(unittests_gypi.angle_unittests_hlsl_sources, ".", "../..")
  }

  sources += [ "//gpu/angle_unittest_main.cc" ]

  deps = [
    "//base",
    "//base/test:test_support",
    "//testing/gmock",
    "//testing/gtest",
    "//third_party/angle:libANGLE",
    "//third_party/angle:preprocessor",
    "//third_party/angle:translator_static",
  ]
}

if (is_win || is_linux || is_mac) {
  end2end_gypi = exec_script("//build/gypi_to_gn.py",
                             [
                               rebase_path("angle_end2end_tests.gypi"),
                               "--replace=<(angle_path)=.",
                             ],
                             "scope",
                             [ "angle_end2end_tests.gypi" ])

  test("angle_end2end_tests") {
    include_dirs = [
      "testing/gtest/include",
      "../../src/tests",
      "../../util",
    ]

    sources =
        rebase_path(end2end_gypi.angle_end2end_tests_sources, ".", "../..")

    if (is_win) {
      sources += rebase_path(end2end_gypi.angle_end2end_tests_win_sources,
                             ".",
                             "../..")
    }

    sources += [ "//gpu/angle_end2end_tests_main.cc" ]

    configs += [
      "//third_party/angle:internal_config",
      "//third_party/angle:libANGLE_config",
    ]

    if (is_linux && !is_component_build) {
      # Set rpath to find libEGL.so and libGLESv2.so even in a non-component build.
      configs += [ "//build/config/gcc:rpath_for_built_shared_libraries" ]
    }

    deps = [
      "//base",
      "//base/test:test_support",
      "//testing/gmock",
      "//testing/gtest",
      "//third_party/angle:angle_util",
      "//third_party/angle:libANGLE",
      "//third_party/angle:libEGL",
      "//third_party/angle:libGLESv2",
      "//third_party/angle:preprocessor",
      "//third_party/angle:translator_static",
    ]
  }
}

if (is_win) {
  perftests_gypi = exec_script("//build/gypi_to_gn.py",
                               [
                                 rebase_path("angle_perftests.gypi"),
                                 "--replace=<(angle_path)=.",
                               ],
                               "scope",
                               [ "angle_perftests.gypi" ])

  test("angle_perftests") {
    include_dirs = [
      "testing/gtest/include",
      "../../src/tests",
      "../../util",
    ]

    sources = rebase_path(perftests_gypi.angle_perf_tests_sources, ".", "../..")

    sources +=
        rebase_path(perftests_gypi.angle_perf_tests_win_sources, ".", "../..")

    sources += [ "//gpu/angle_perftests_main.cc" ]

    configs += [
      "//third_party/angle:internal_config",
      "//third_party/angle:libANGLE_config",
    ]

    deps = [
      "//base",
      "//base/test:test_support",
      "//testing/gmock",
      "//testing/gtest",
      "//third_party/angle:angle_util",
      "//third_party/angle:libANGLE",
      "//third_party/angle:libEGL",
      "//third_party/angle:libGLESv2",
    ]
  }
}

###-----------------------------------------------------
### dEQP tests
###-----------------------------------------------------

declare_args() {
  # Don't build dEQP by default.
  build_angle_deqp_tests = false
}

# TODO(jmadill): Other platforms.
if (build_angle_deqp_tests) {
  deqp_gypi = exec_script("//build/gypi_to_gn.py",
                          [
                            rebase_path("deqp.gypi"),
                            "--replace=<(angle_path)=.",
                            "--replace=<(deqp_path)=../deqp/src",
                          ],
                          "scope",
                          [ "deqp.gypi" ])

  config("angle_deqp_support") {
    include_dirs = rebase_path(deqp_gypi.deqp_include_dirs, ".", "../..")
    if (is_win) {
      include_dirs += [ "../deqp/src/framework/platform/win32" ]
      cflags = deqp_gypi.deqp_win_cflags
    }
    defines = deqp_gypi.deqp_defines
    defines += [ "_MBCS" ]

    if (is_linux) {
      # Ask the system headers to expose all the regular function otherwise
      # dEQP doesn't compile and produces warnings about implicitly defined
      # functions.
      # This has to be GNU_SOURCE as on Linux dEQP uses syscall()
      defines += [ "_GNU_SOURCE" ]
    }
  }

  deqp_undefine_configs = [
    "//build/config/compiler:chromium_code",
    "//build/config/compiler:no_rtti",
  ]

  if (is_win) {
    deqp_undefine_configs += [
      "//build/config/win:lean_and_mean",
      "//build/config/win:nominmax",
      "//build/config/win:unicode",
    ]
  }

  if (is_linux) {
    deqp_undefine_configs += [ "//build/config/gcc:no_exceptions" ]
  }

  static_library("angle_deqp_decpp") {
    configs -= deqp_undefine_configs
    public_configs = [
      ":angle_deqp_support",
      "//build/config/compiler:no_chromium_code",
      "//third_party/angle:internal_config",
    ]
    sources = rebase_path(deqp_gypi.deqp_libtester_decpp_sources, ".", "../..")
  }

  config("angle_deqp_libtester_config") {
    defines = [ "ANGLE_DEQP_LIBTESTER_IMPLEMENTATION" ]

    if (is_clang) {
      # TODO(jmadill): Remove this once we fix dEQP.
      cflags_cc = [ "-Wno-delete-non-virtual-dtor" ]
    }
  }

  static_library("angle_deqp_libtester") {
    public_deps = [
      ":angle_deqp_decpp",
      "//third_party/angle:angle_util",
      "//third_party/angle:libEGL",
      "//third_party/libpng:libpng",
    ]
    configs -= deqp_undefine_configs
    public_configs = [ ":angle_deqp_libtester_config" ]
    sources = rebase_path(deqp_gypi.deqp_libtester_sources, ".", "../..")
    if (is_win) {
      sources += rebase_path(deqp_gypi.deqp_libtester_sources_win, ".", "../..")
    }
    if (is_linux) {
      sources +=
          rebase_path(deqp_gypi.deqp_libtester_sources_unix, ".", "../..")
    }
  }

  config("angle_deqp_gtest_support_config") {
    include_dirs = [ "third_party/gpu_test_expectations" ]
  }

  source_set("angle_deqp_gtest_support") {
    testonly = true
    public_deps = [
      "//base",
      "//base/test:test_support",
      "//testing/gtest",
      "//third_party/angle:angle_common",
      "//third_party/angle:angle_util",
    ]
    public_configs = [ ":angle_deqp_gtest_support_config" ]
    sources = deqp_gypi.deqp_gpu_test_expectations_sources
    sources += [ "//gpu/angle_deqp_tests_main.cc" ]

    # Taken from gpu/BUILD.gn
    # TODO(jmadill): this should be in a shared location
    if (is_linux && !is_chromecast) {
      libs = [ "pci" ]
    }
  }

  api_names = [
    "gles2",
    "gles3",
    "egl",
  ]
  target_defines = [
    "ANGLE_DEQP_GLES2_TESTS",
    "ANGLE_DEQP_GLES3_TESTS",
    "ANGLE_DEQP_EGL_TESTS",
  ]
  target_sources = [
    deqp_gypi.deqp_gles2_sources,
    deqp_gypi.deqp_gles3_sources,
    deqp_gypi.deqp_egl_sources,
  ]

  foreach(index,
          [
            0,
            1,
            2,
          ]) {
    api_name = api_names[index]
    config_name = "angle_deqp_lib${api_name}_config"
    config(config_name) {
      defines = [ target_defines[index] ]
    }

    shared_library_name = "angle_deqp_lib${api_name}"
    shared_library(shared_library_name) {
      deps = [
        ":angle_deqp_libtester",
      ]

      configs -= deqp_undefine_configs
      public_configs = [ ":${config_name}" ]

      sources = rebase_path(target_sources[index], ".", "../..")
      sources += [
        "deqp_support/angle_deqp_libtester_main.cpp",
        "deqp_support/tcuANGLEPlatform.cpp",
        "deqp_support/tcuANGLEPlatform.h",
      ]
    }

    test_name = "angle_deqp_${api_name}_tests"
    test(test_name) {
      deps = [
        ":${shared_library_name}",
        ":angle_deqp_gtest_support",
      ]

      # Must be included outside of the source set for the define
      sources = [
        "deqp_support/angle_deqp_gtest.cpp",
      ]

      data = [
        "deqp_support/deqp_${api_name}_test_expectations.txt",
        "../../../deqp/src/android/cts/master/${api_name}-master.txt",
        "../../../deqp/src/data/",
      ]

      if (is_linux && !is_component_build) {
        # Set rpath to find *.so files even in a non-component build.
        configs += [ "//build/config/gcc:rpath_for_built_shared_libraries" ]
      }
    }
  }
}