| # Copyright 2018 The Dawn Authors |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| # This files imports the overrides for Dawn but sets the defaults so that |
| # projects including Dawn don't have to set dirs if they happen to use the |
| # same. |
| # It takes advantage of GN's variable scoping rules to define global variables |
| # inside if constructs. |
| |
| import("//build_overrides/dawn.gni") |
| |
| if (!defined(dawn_standalone)) { |
| dawn_standalone = false |
| } |
| |
| if (!defined(dawn_has_build)) { |
| dawn_has_build = true |
| } |
| |
| if (!defined(dawn_root)) { |
| dawn_root = get_path_info("..", "abspath") |
| } |
| dawn_gen_root = get_path_info("${dawn_root}", "gen_dir") |
| |
| if (!defined(dawn_jinja2_dir)) { |
| dawn_jinja2_dir = "//third_party/jinja2" |
| } |
| |
| if (!defined(dawn_glfw_dir)) { |
| dawn_glfw_dir = "//third_party/glfw" |
| } |
| |
| if (!defined(dawn_googletest_dir)) { |
| dawn_googletest_dir = "//third_party/googletest" |
| } |
| |
| if (!defined(dawn_spirv_tools_dir)) { |
| dawn_spirv_tools_dir = "//third_party/vulkan-deps/spirv-tools/src" |
| } |
| |
| if (!defined(dawn_swiftshader_dir)) { |
| # Default to swiftshader not being available. |
| dawn_swiftshader_dir = "" |
| } |
| |
| if (!defined(dawn_vulkan_loader_dir)) { |
| # Default to the Vulkan loader not being available except in standalone. |
| dawn_vulkan_loader_dir = "" |
| if (dawn_standalone) { |
| dawn_vulkan_loader_dir = "//third_party/vulkan-deps/vulkan-loader/src" |
| } |
| } |
| |
| if (!defined(dawn_vulkan_validation_layers_dir)) { |
| # Default to VVLs not being available. |
| dawn_vulkan_validation_layers_dir = "" |
| } |
| |
| if (!defined(dawn_tint_dir)) { |
| # Default to Tint being Dawn's DEPS |
| dawn_tint_dir = "${dawn_root}/third_party/tint" |
| } |
| |
| if (!defined(dawn_abseil_dir)) { |
| dawn_abseil_dir = "//third_party/abseil-cpp" |
| } |