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02336e6f99
Add necessary cflags and cflags_cc for winrt compilation. Add 'dawn_is_winuwp'. Set 'dawn_enable_vulkan' and 'dawn_supports_glfw_for_windowing' when compiling for UWP. Link d3d12, d3d11 and dxgi stub libs when compiling for UWP. Use LoadPackagedLibrary instead of LoadLibraryA in DynamicLib when compiling for UWP. Swapchain related changes will be in another commit. Bug: dawn:766 Change-Id: I1210798a21cc175bab77281403d262d4bfb02d99 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/48480 Commit-Queue: 陈俊嘉 <cjj19970505@live.cn> Reviewed-by: Rafael Cintron <rafael.cintron@microsoft.com>
100 lines
3.6 KiB
Plaintext
100 lines
3.6 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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import("//build/config/ui.gni")
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dawn_use_x11 = use_x11
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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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}
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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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declare_args() {
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dawn_use_angle = true
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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 makes 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 = build_with_chromium && use_fuzzing_engine
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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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# 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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# 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 it.
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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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# 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 = dawn_enable_vulkan && is_mac
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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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