# Copyright 2016 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("//build/buildflag_header.gni")
import("//build/config/dcheck_always_on.gni")
import("//build/config/jumbo.gni")
import("//build/config/ui.gni")
import("//testing/test.gni")
import("features.gni")

# Generate a buildflag header for compile-time checking of Vulkan support.
buildflag_header("buildflags") {
  header = "buildflags.h"
  flags = [ "ENABLE_VULKAN=$enable_vulkan" ]
}

if (enable_vulkan) {
  jumbo_component("vulkan") {
    output_name = "vulkan_wrapper"

    sources = [
      "vulkan_command_buffer.cc",
      "vulkan_command_buffer.h",
      "vulkan_command_pool.cc",
      "vulkan_command_pool.h",
      "vulkan_device_queue.cc",
      "vulkan_device_queue.h",
      "vulkan_export.h",
      "vulkan_function_pointers.cc",
      "vulkan_function_pointers.h",
      "vulkan_implementation.cc",
      "vulkan_implementation.h",
      "vulkan_instance.cc",
      "vulkan_surface.cc",
      "vulkan_surface.h",
      "vulkan_swap_chain.cc",
      "vulkan_swap_chain.h",
    ]

    configs += [ "//build/config:precompiled_headers" ]

    defines = [ "VULKAN_IMPLEMENTATION" ]
    if (is_android) {
      defines += [ "VK_USE_PLATFORM_ANDROID_KHR" ]
    }

    all_dependent_configs = [ "//third_party/vulkan:vulkan_config" ]

    deps = [
      "//base",
      "//ui/gfx",
    ]

    data_deps = []
    if (is_fuchsia) {
      data_deps += [ "//third_party/fuchsia-sdk:vulkan_base" ]

      # VulkanInstance enables validation layer in Debug builds and when DCHECKs
      # are enabled in Release builds. In these cases the validation layer
      # libraries and configs need to be included in the generated Fuchsia
      # package.
      if (is_debug || dcheck_always_on) {
        data_deps += [ "//third_party/fuchsia-sdk:vulkan_validation" ]
      }
    }
  }

  # TODO(cblume): These tests should run on each platform -- crbug.com/858614
  if (use_x11) {
    test("vulkan_tests") {
      sources = [
        "tests/basic_vulkan_test.cc",
        "tests/basic_vulkan_test.h",
        "tests/native_window.h",
        "tests/vulkan_test.cc",
        "tests/vulkan_tests_main.cc",
      ]

      deps = [
        "//base/test:test_support",
        "//gpu/vulkan/init",
        "//testing/gmock",
        "//testing/gtest",
        "//ui/gfx:native_widget_types",
        "//ui/gfx/geometry",
      ]

      if (use_x11) {
        sources += [ "tests/native_window_x11.cc" ]
        deps += [ "//ui/gfx/x" ]
        configs += [ "//build/config/linux:x11" ]
      }
    }
  }
}