From 124e86e4baa0b1ae9fdace847eac2185b5ed4d9b Mon Sep 17 00:00:00 2001
From: Jaswant Panchumarti <jaswant.panchumarti@kitware.com>
Date: Wed, 19 Jun 2024 11:10:03 -0400
Subject: [PATCH] Test cmake refactor branch

---
 CMakeLists.txt | 67 +++++---------------------------------------------
 1 file changed, 6 insertions(+), 61 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 895a6b4..38b02f6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,76 +21,21 @@ include(FetchContent)
 set(dawn_disconnect_subsequent_updates ON)
 FetchContent_Declare(dawn
   GIT_REPOSITORY      https://dawn.googlesource.com/dawn
-  GIT_TAG             "chromium/${CHROMIUM_VERSION_PATCH}"
+  GIT_TAG             "chromium/6546"
   GIT_SUBMODULES      ""
   GIT_SHALLOW         ON)
-# Dawn outputs various library files in a directory structure that mirrors
-# it's source tree. While this is convenient to understand provenance,
-# having all of them under one roof is quite convenient for packaging.
-set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin")
-set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/lib")
-set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/lib")
-set(CMAKE_PDB_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin")
 # Forces dawn to generate static libraries and bundle them all into one giant shared library.
 set(BUILD_SHARED_LIBS OFF)
+set(DAWN_ENABLE_INSTALL ON)
+set(DAWN_FETCH_DEPENDENCIES ON)
 # Disable unneeded parts
-set(DAWN_BUILD_SAMPLES OFF)
 set(DAWN_USE_GLFW OFF)
-set(DAWN_BUILD_PROTOBUF OFF)
-set(DAWN_FETCH_DEPENDENCIES ON)
+set(DAWN_BUILD_SAMPLES OFF)
 set(TINT_BUILD_CMD_TOOLS OFF)
 set(TINT_BUILD_SAMPLES OFF)
 set(TINT_BUILD_DOCS OFF)
 set(TINT_BUILD_TESTS OFF)
-# add dawn source directory to build system
 FetchContent_MakeAvailable(dawn)
-# This is all of necessary dawn libraries bundled up.
-add_library(dawn SHARED "${dawn_BINARY_DIR}/gen/src/dawn/native/webgpu_dawn_native_proc.cpp")
-add_library(dawn::dawn ALIAS dawn)
-# 'nested-namespace-definition' requires compiler flag '/std:c++17'
-target_compile_features(dawn PRIVATE cxx_std_17)
-target_link_libraries(dawn
-  PRIVATE dawn_native)
-# associate the header with the target so that it gets installed.
-target_sources(dawn INTERFACE
-  FILE_SET dawn_webgpu_header
-  TYPE HEADERS
-  BASE_DIRS "${dawn_BINARY_DIR}/gen/include"
-  FILES "${dawn_BINARY_DIR}/gen/include/dawn/webgpu.h")
-target_compile_definitions(dawn
-  PUBLIC "WGPU_SHARED_LIBRARY")
-target_compile_definitions(dawn
-  PRIVATE "WGPU_IMPLEMENTATION")
-# installs header `dawn/webgpu.h` and the shared library `dawn`
-include(GNUInstallDirs)
-install(TARGETS dawn
-  EXPORT dawn-targets
-  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
-  FILE_SET dawn_webgpu_header)
-install(
-  DIRECTORY "${dawn_BINARY_DIR}/gen/emscripten-bits"
-  TYPE LIB)
-# installs helpful package info so that folks can locate us via cmake find_package or pkg-config.  
-install(EXPORT dawn-targets
-  FILE dawnTargets.cmake
-  NAMESPACE dawn::
-  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/dawn)
-# Create a ConfigVersion.cmake file:
-include(CMakePackageConfigHelpers)
-write_basic_package_version_file(
-  ${CMAKE_CURRENT_BINARY_DIR}/dawnConfigVersion.cmake
-  COMPATIBILITY AnyNewerVersion)
-# Configure config file
-configure_package_config_file(${CMAKE_CURRENT_LIST_DIR}/cmake/dawnConfig.cmake.in
-  ${CMAKE_CURRENT_BINARY_DIR}/dawnConfig.cmake
-  INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/dawn)
-# Install the fully generated config and configVersion files
-install(FILES
-  ${CMAKE_CURRENT_BINARY_DIR}/dawnConfig.cmake
-  ${CMAKE_CURRENT_BINARY_DIR}/dawnConfigVersion.cmake
-  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/dawn)
 # Run simple unit tests to ensure wgpu symbols were exported.
 include(CTest)
 set(BUILD_TESTING ON)
@@ -108,10 +53,10 @@ if (BUILD_TESTING)
   add_executable(simple_cpp tests/simple.cpp)
   target_compile_features(simple_cpp PRIVATE cxx_std_17)
   target_link_libraries(simple_cpp PRIVATE webgpu_headers ${CMAKE_DL_LIBS})
-  add_test(NAME test-simple-cpp COMMAND simple_cpp "$<TARGET_FILE:dawn>")
+  add_test(NAME test-simple-cpp COMMAND simple_cpp "$<TARGET_FILE:dawn::webgpu_dawn>")
   add_executable(simple_c tests/simple.c)
   target_link_libraries(simple_c PRIVATE webgpu_headers ${CMAKE_DL_LIBS})
-  add_test(NAME test-simple-c COMMAND simple_c "$<TARGET_FILE:dawn>")
+  add_test(NAME test-simple-c COMMAND simple_c "$<TARGET_FILE:dawn::webgpu_dawn>")
 endif ()
 # Packaging
 include(CPack)