# Copyright 2020 The ANGLE Project 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_overrides/swiftshader.gni")
import("../../../gni/angle.gni")

assert(angle_enable_vulkan)

config("angle_vulkan_lib_android") {
  if (is_android) {
    libs = [ "vulkan" ]
  }
}

config("angle_vulkan_headers_config") {
  if (angle_shared_libvulkan) {
    defines = [ "ANGLE_SHARED_LIBVULKAN=1" ]
  }
}

angle_source_set("angle_vulkan_headers") {
  sources = [
    "vk_ext_provoking_vertex.h",
    "vk_google_filtering_precision.h",
    "vk_headers.h",
  ]
  if (angle_shared_libvulkan) {
    public_deps = [ "$angle_root/src/third_party/volk:volk" ]
  } else {
    public_deps =
        [ "$angle_root/third_party/vulkan-headers/src:vulkan_headers" ]
  }
  public_configs = [ ":angle_vulkan_headers_config" ]
}

group("angle_vulkan_entry_points") {
  public_configs = [ ":angle_vulkan_lib_android" ]
  public_deps = [ ":angle_vulkan_headers" ]
  if (is_fuchsia) {
    public_deps += [
      "$angle_root/src/common/fuchsia_egl",
      "//third_party/fuchsia-sdk:vulkan_base",
      "//third_party/fuchsia-sdk/sdk/pkg/vulkan",
    ]
  } else if (!is_android && !is_ggp) {
    if (angle_shared_libvulkan) {
      data_deps = [ "$angle_root/third_party/vulkan-loader/src:libvulkan" ]
    } else {
      deps = [ "$angle_root/third_party/vulkan-loader/src:libvulkan" ]
    }
  }
}

angle_source_set("vulkan") {
  sources = [
    "vulkan_icd.cpp",
    "vulkan_icd.h",
  ]

  public_deps = [
    ":angle_vulkan_entry_points",
    "$angle_root:angle_common",
  ]

  defines = [
    "ANGLE_VK_LAYERS_DIR=\"$angle_data_dir\"",
    "ANGLE_VK_MOCK_ICD_JSON=\"$angle_data_dir/VkICD_mock_icd.json\"",
  ]

  deps = []
  data_deps = []

  if (!is_android && !is_fuchsia && !is_ggp) {
    if (angle_shared_libvulkan) {
      data_deps += [ "$angle_root/third_party/vulkan-loader/src:libvulkan" ]
    } else {
      deps += [ "$angle_root/third_party/vulkan-loader/src:libvulkan" ]
    }
    data_deps += [ "$angle_root/third_party/vulkan-tools/src:VkICD_mock_icd" ]
  }

  if (angle_enable_swiftshader) {
    import("$swiftshader_dir/src/Vulkan/vulkan.gni")
    _sws_icd = "./$swiftshader_icd_file_name"
    if (is_win) {
      _sws_icd = ".\\\\$swiftshader_icd_file_name"
    }

    defines += [ "ANGLE_VK_SWIFTSHADER_ICD_JSON=\"${_sws_icd}\"" ]

    data_deps += [
      "$swiftshader_dir/src/Vulkan:icd_file",
      "$swiftshader_dir/src/Vulkan:swiftshader_libvulkan",
    ]
  }
}

group("vulkan_validation_layers") {
  data_deps = []
  if (is_fuchsia) {
    data_deps += [ "//third_party/fuchsia-sdk:vulkan_validation" ]
  } else {
    data_deps += [ "$angle_root/third_party/vulkan-validation-layers/src:vulkan_validation_layers" ]
    if (!is_android) {
      data_deps += [ "$angle_root/third_party/vulkan-validation-layers/src:vulkan_gen_json_files" ]
    }
  }
}
