140 lines
5.5 KiB
Plaintext
140 lines
5.5 KiB
Plaintext
# Copyright 2018 The Dawn & Tint Authors
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# 3. Neither the name of the copyright holder nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import("//build_overrides/build.gni")
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import("dawn_overrides_with_defaults.gni")
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if (build_with_chromium) {
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import("//build/config/ozone.gni")
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import("//build/config/sanitizers/sanitizers.gni")
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dawn_use_x11 = ozone_platform_x11
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dawn_use_wayland = false
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} else {
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declare_args() {
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# Whether Dawn should enable X11 support.
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dawn_use_x11 = is_linux && !is_chromeos
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dawn_use_wayland = false
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}
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}
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# Enable the compilation for UWP
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dawn_is_winuwp = is_win && target_os == "winuwp"
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dawn_use_windows_ui = is_win
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declare_args() {
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dawn_tests_use_angle = true
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# Enables SwiftShader as the fallback adapter. Requires dawn_swiftshader_dir
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# to be set to take effect.
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# TODO(dawn:1536): Enable SwiftShader for Android.
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dawn_use_swiftshader = !is_android && !is_ios
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# Whether we allow building DXC.
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# DXC requires SM6.0+ which is blocklisted on x86.
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# See crbug.com/tint/1753.
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dawn_use_built_dxc = is_win && target_cpu != "x86"
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# Force Dawn to load components like d3dcompiler_47.dll and vulkan-1.dll from
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# system directories instead of local directories.
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dawn_force_system_component_load = false
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# Whether to build Dawn's NodeJS bindings
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dawn_build_node_bindings = false
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}
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declare_args() {
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# Enable Dawn's ASSERTs even in release builds
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dawn_always_assert = false
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# Should the Dawn static libraries be fully linked vs. GN's default of
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# treating them as source sets. This is useful for people using Dawn
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# standalone to produce static libraries to use in their projects.
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dawn_complete_static_libs = false
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# Enables the compilation of Dawn's D3D11 backend
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dawn_enable_d3d11 = is_win
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# Enables the compilation of Dawn's D3D12 backend
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dawn_enable_d3d12 = is_win
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# Enables the compilation of Dawn's Metal backend
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dawn_enable_metal = is_mac || is_ios
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# Enables the compilation of Dawn's Null backend
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# (required for unittests, obviously non-conformant)
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dawn_enable_null = true
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# Enables the compilation of Dawn's WebGPU backend
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# (used for debugging purpose, capture and replay)
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dawn_enable_webgpu_on_webgpu = dawn_standalone
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# Enables the compilation of Dawn's OpenGL backend
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# (best effort, non-conformant)
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dawn_enable_desktop_gl = is_linux && !is_chromeos
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# Enables the compilation of Dawn's OpenGLES backend
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# (WebGPU/Compat subset)
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# Disables OpenGLES when compiling for UWP, since UWP only supports d3d
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dawn_enable_opengles =
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(is_linux && !is_chromeos) || (is_win && !dawn_is_winuwp) || is_android
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# Enables the compilation of Dawn's Vulkan backend
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# Disables vulkan when compiling for UWP, since UWP only supports d3d
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dawn_enable_vulkan = is_linux || is_chromeos || (is_win && !dawn_is_winuwp) ||
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is_fuchsia || is_android || dawn_use_swiftshader
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# Enables error injection for faking failures to native API calls
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dawn_enable_error_injection =
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is_debug || (build_with_chromium && use_fuzzing_engine)
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}
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# GN does not allow reading a variable defined in the same declare_args().
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# Put them in two separate declare_args() when setting the value of one
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# argument based on another.
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declare_args() {
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# Uses our built version of the Vulkan validation layers
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dawn_enable_vulkan_validation_layers =
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dawn_enable_vulkan && ((is_linux && !is_chromeos) || is_win || is_mac)
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# Uses our built version of the Vulkan loader on platforms where we can't
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# assume to have one present at the system level.
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dawn_enable_vulkan_loader =
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dawn_enable_vulkan && (is_mac || (is_linux && !is_android))
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# Disable SPIR-V validation on Android because it adds a significant amount
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# to the binary size, and Tint's output should be well-formed.
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dawn_enable_spirv_validation = dawn_enable_vulkan && !is_android
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}
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# UWP only supports CoreWindow for windowing
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dawn_supports_glfw_for_windowing =
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(is_win && !dawn_is_winuwp) || (is_linux && !is_chromeos) || is_mac
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# Much of the GL backend code is shared, so define a convenience var.
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dawn_enable_opengl = dawn_enable_opengles || dawn_enable_desktop_gl
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