2018-08-12 23:31:17 -07:00
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# Copyright 2018 The Dawn Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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2019-12-16 16:47:40 -08:00
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import("//build_overrides/build.gni")
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if (build_with_chromium) {
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2021-09-09 23:08:41 -07:00
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import("//build/config/ozone.gni")
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2021-11-29 10:18:58 -08:00
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import("//build/config/sanitizers/sanitizers.gni")
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2020-10-15 07:30:23 -07:00
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2021-09-09 23:08:41 -07:00
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dawn_use_x11 = ozone_platform_x11
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2022-06-01 02:30:50 -07:00
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dawn_use_wayland = false
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2020-10-15 07:30:23 -07:00
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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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2022-06-01 02:30:50 -07:00
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dawn_use_wayland = false
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2020-10-15 07:30:23 -07:00
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}
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2019-12-16 16:47:40 -08:00
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}
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2021-04-22 19:16:12 -07:00
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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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2020-01-24 18:14:39 -08:00
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declare_args() {
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2022-09-21 12:17:16 -07:00
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# TODO(dawn:1545): Re-enable dawn_use_angle on Android. In non-component
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# builds, this is adding a dependency on ANGLE's libEGL.so and
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# libGLESv2.so, apparently without regard for the use_static_angle=true
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# GN variable. Chromium's linker on Android disallows production of more
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# than one shared object per target (?).
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dawn_use_angle = !is_android
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2021-01-11 07:52:12 -08:00
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2022-01-19 09:32:56 -08:00
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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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2022-09-06 15:40:13 -07:00
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# TODO(dawn:1536): Enable SwiftShader for Android.
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dawn_use_swiftshader = !is_android
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2020-01-24 18:14:39 -08:00
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}
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2018-08-12 23:31:17 -07:00
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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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2019-01-12 09:26:49 -08:00
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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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2023-04-03 14:33:54 -07:00
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# Enables the compilation of Dawn's D3D11 backend
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2023-05-03 16:42:25 -07:00
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dawn_enable_d3d11 = is_win
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2023-04-03 14:33:54 -07:00
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2018-08-12 23:31:17 -07:00
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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
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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 OpenGL backend
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# (best effort, non-conformant)
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2022-02-15 14:16:29 -08:00
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dawn_enable_desktop_gl = is_linux && !is_chromeos
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2021-05-17 11:04:48 -07:00
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# Enables the compilation of Dawn's OpenGLES backend
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# (WebGPU/Compat subset)
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2021-05-31 01:46:21 -07:00
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# Disables OpenGLES when compiling for UWP, since UWP only supports d3d
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2022-02-15 14:16:29 -08:00
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dawn_enable_opengles =
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(is_linux && !is_chromeos) || (is_win && !dawn_is_winuwp)
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2018-08-12 23:31:17 -07:00
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# Enables the compilation of Dawn's Vulkan backend
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2021-04-22 19:16:12 -07:00
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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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2019-10-07 08:47:27 -07:00
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2019-12-16 16:47:40 -08:00
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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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2018-08-12 23:31:17 -07:00
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}
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2019-11-07 04:13:27 -08:00
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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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2019-11-26 10:21:51 -08:00
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declare_args() {
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2020-04-17 01:22:25 -07:00
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# Uses our built version of the Vulkan validation layers
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2019-11-26 10:21:51 -08:00
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dawn_enable_vulkan_validation_layers =
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2020-04-17 01:22:25 -07:00
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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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2021-11-29 10:18:58 -08:00
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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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2023-01-19 13:17:42 -08:00
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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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2019-11-07 04:13:27 -08:00
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}
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2020-04-10 01:20:10 -07:00
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2021-04-22 19:16:12 -07:00
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# UWP only supports CoreWindow for windowing
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2020-04-10 01:20:10 -07:00
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dawn_supports_glfw_for_windowing =
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2021-04-22 19:16:12 -07:00
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(is_win && !dawn_is_winuwp) || (is_linux && !is_chromeos) || is_mac
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2021-05-17 11:04:48 -07:00
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2021-08-10 11:30:55 -07:00
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# Much of the GL backend code is shared, so define a convenience var.
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2021-05-17 11:04:48 -07:00
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dawn_enable_opengl = dawn_enable_opengles || dawn_enable_desktop_gl
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