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allow specify a custom local source path for Dawn (#22999)

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### Description

Allows to build ONNX Runtime with a custom local path of Dawn's source
code.

Usage:
```sh
build --use_webgpu --cmake_extra_defines "onnxruntime_CUSTOM_DAWN_SRC_PATH=C:/src/dawn"

```
This commit is contained in:
Yulong Wang 2024-12-03 19:25:22 -08:00 committed by GitHub
parent 4497c97d54
commit e84b8e7bd5
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GPG key ID: B5690EEEBB952194
2 changed files with 18 additions and 6 deletions
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1
cmake/CMakeLists.txt
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@ -148,6 +148,7 @@ option(onnxruntime_USE_XNNPACK "Build with XNNPACK support. Provides an alternat
option(onnxruntime_USE_WEBNN "Build with WebNN support. Enable hardware acceleration in web browsers." OFF)
option(onnxruntime_USE_WEBGPU "Build with WebGPU support. Enable WebGPU via C/C++ interface." OFF)
option(onnxruntime_USE_EXTERNAL_DAWN "Build with treating Dawn as external dependency. Will not link Dawn at build time." OFF)
option(onnxruntime_CUSTOM_DAWN_SRC_PATH "Path to custom Dawn src dir.")
# Options related to reducing the binary size produced by the build
# XNNPACK EP requires the internal NHWC contrib ops to be available, so this option must be OFF when onnxruntime_USE_XNNPACK is ON

23
cmake/external/onnxruntime_external_deps.cmake vendored
View file

@ -615,12 +615,23 @@ if (onnxruntime_USE_COREML)
endif()
if (onnxruntime_USE_WEBGPU)
FetchContent_Declare(
dawn
URL ${DEP_URL_dawn}
URL_HASH SHA1=${DEP_SHA1_dawn}
PATCH_COMMAND ${Patch_EXECUTABLE} --binary --ignore-whitespace -p1 < ${PROJECT_SOURCE_DIR}/patches/dawn/dawn.patch
)
if (onnxruntime_CUSTOM_DAWN_SRC_PATH)
# use the custom dawn source path if provided
#
# specified as:
# build.py --use_webgpu --cmake_extra_defines "onnxruntime_CUSTOM_DAWN_SRC_PATH=<PATH_TO_DAWN_SRC_ROOT>"
FetchContent_Declare(
dawn
SOURCE_DIR ${onnxruntime_CUSTOM_DAWN_SRC_PATH}
)
else()
FetchContent_Declare(
dawn
URL ${DEP_URL_dawn}
URL_HASH SHA1=${DEP_SHA1_dawn}
PATCH_COMMAND ${Patch_EXECUTABLE} --binary --ignore-whitespace -p1 < ${PROJECT_SOURCE_DIR}/patches/dawn/dawn.patch
)
endif()
# use dawn::dawn_native and dawn::dawn_proc instead of the monolithic dawn::webgpu_dawn to minimize binary size
set(DAWN_BUILD_MONOLITHIC_LIBRARY OFF CACHE BOOL "" FORCE)