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c3609d224a
This is a reland of d08a14b70982a90423f4965ae5625847316de09e It gates dawn_use_swiftshader on dawn_enable_vulkan because the Vulkan backend isn't supported on Mac. We may support Swiftshader Vulkan on Mac in the future, but that will first require changes to how we initialize the Vulkan backend. Original change's description: > Use Swiftshader by default when fuzzing > > Note: This still requires Chromium to have set dawn_swiftshader_dir > to take effect. > > Bug: dawn:295 > Change-Id: I0c953196630dd2694f68d290e6f3f1e427c20a2f > Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/14821 > Reviewed-by: Corentin Wallez <cwallez@chromium.org> > Reviewed-by: Kai Ninomiya <kainino@chromium.org> > Commit-Queue: Austin Eng <enga@chromium.org> Bug: dawn:295 Change-Id: Ia125005b35951021702104a99a78712bcd47dd1e Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/14941 Reviewed-by: Kai Ninomiya <kainino@chromium.org> Commit-Queue: Austin Eng <enga@chromium.org>
76 lines
2.9 KiB
Plaintext
76 lines
2.9 KiB
Plaintext
# 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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import("//build_overrides/build.gni")
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if (build_with_chromium) {
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import("//build/config/sanitizers/sanitizers.gni")
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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 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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dawn_enable_opengl = is_linux && !is_chromeos
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# Enables the compilation of Dawn's Vulkan backend
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dawn_enable_vulkan = is_linux || is_win || is_fuchsia || is_android
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# Enable use of reflection compiler in spirv-cross. This is needed
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# if performing reflection on systems that the platform language
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# shader is SPIR-V, since there isn't an instance of the
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# GLSL/HLSL/MSL compiler. This implicitly pulls in the GLSL
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# compiler, since it is a sub-class of if.
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dawn_enable_cross_reflection = false
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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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# Enables usage of swiftshader on the Vulkan backend.
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# Note that this will only work in standalone and in projects that set the
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# dawn_swiftshader_dir variable in build_overrides/dawn.gni
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# Because of how the Vulkan loader works, setting this make Dawn only able
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# to find the Swiftshader ICD and not the others.
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# Enabled by default when fuzzing.
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dawn_use_swiftshader =
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dawn_enable_vulkan && build_with_chromium && use_fuzzing_engine
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# Uses our built version of 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)
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}
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