99 lines
3.5 KiB
Plaintext
99 lines
3.5 KiB
Plaintext
# 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.
|
|
|
|
import("//build_overrides/build.gni")
|
|
|
|
if (build_with_chromium) {
|
|
import("//build/config/ozone.gni")
|
|
import("//build/config/sanitizers/sanitizers.gni")
|
|
|
|
dawn_use_x11 = ozone_platform_x11
|
|
} else {
|
|
declare_args() {
|
|
# Whether Dawn should enable X11 support.
|
|
dawn_use_x11 = is_linux && !is_chromeos
|
|
}
|
|
}
|
|
|
|
# Enable the compilation for UWP
|
|
dawn_is_winuwp = is_win && target_os == "winuwp"
|
|
|
|
declare_args() {
|
|
dawn_use_angle = true
|
|
|
|
# Enables SwiftShader as the fallback adapter. Requires dawn_swiftshader_dir
|
|
# to be set to take effect.
|
|
dawn_use_swiftshader = true
|
|
}
|
|
|
|
declare_args() {
|
|
# Enable Dawn's ASSERTs even in release builds
|
|
dawn_always_assert = false
|
|
|
|
# Should the Dawn static libraries be fully linked vs. GN's default of
|
|
# treating them as source sets. This is useful for people using Dawn
|
|
# standalone to produce static libraries to use in their projects.
|
|
dawn_complete_static_libs = false
|
|
|
|
# Enables the compilation of Dawn's D3D12 backend
|
|
dawn_enable_d3d12 = is_win
|
|
|
|
# Enables the compilation of Dawn's Metal backend
|
|
dawn_enable_metal = is_mac
|
|
|
|
# Enables the compilation of Dawn's Null backend
|
|
# (required for unittests, obviously non-conformant)
|
|
dawn_enable_null = true
|
|
|
|
# Enables the compilation of Dawn's OpenGL backend
|
|
# (best effort, non-conformant)
|
|
dawn_enable_desktop_gl = !build_with_chromium && (is_linux && !is_chromeos)
|
|
|
|
# Enables the compilation of Dawn's OpenGLES backend
|
|
# (WebGPU/Compat subset)
|
|
# Disables OpenGLES when compiling for UWP, since UWP only supports d3d
|
|
dawn_enable_opengles = !build_with_chromium && ((is_linux && !is_chromeos) ||
|
|
(is_win && !dawn_is_winuwp))
|
|
|
|
# Enables the compilation of Dawn's Vulkan backend
|
|
# Disables vulkan when compiling for UWP, since UWP only supports d3d
|
|
dawn_enable_vulkan = is_linux || is_chromeos || (is_win && !dawn_is_winuwp) ||
|
|
is_fuchsia || is_android || dawn_use_swiftshader
|
|
|
|
# Enables error injection for faking failures to native API calls
|
|
dawn_enable_error_injection =
|
|
is_debug || (build_with_chromium && use_fuzzing_engine)
|
|
}
|
|
|
|
# GN does not allow reading a variable defined in the same declare_args().
|
|
# Put them in two separate declare_args() when setting the value of one
|
|
# argument based on another.
|
|
declare_args() {
|
|
# Uses our built version of the Vulkan validation layers
|
|
dawn_enable_vulkan_validation_layers =
|
|
dawn_enable_vulkan && ((is_linux && !is_chromeos) || is_win || is_mac)
|
|
|
|
# Uses our built version of the Vulkan loader on platforms where we can't
|
|
# assume to have one present at the system level.
|
|
dawn_enable_vulkan_loader =
|
|
dawn_enable_vulkan && (is_mac || (is_linux && !is_android))
|
|
}
|
|
|
|
# UWP only supports CoreWindow for windowing
|
|
dawn_supports_glfw_for_windowing =
|
|
(is_win && !dawn_is_winuwp) || (is_linux && !is_chromeos) || is_mac
|
|
|
|
# Much of the GL backend code is shared, so define a convenience var.
|
|
dawn_enable_opengl = dawn_enable_opengles || dawn_enable_desktop_gl
|