diff options
Diffstat (limited to 'cmake/QtWasmHelpers.cmake')
| -rw-r--r-- | cmake/QtWasmHelpers.cmake | 103 |
1 files changed, 71 insertions, 32 deletions
diff --git a/cmake/QtWasmHelpers.cmake b/cmake/QtWasmHelpers.cmake index 5e09feac29..41ef5cb0ba 100644 --- a/cmake/QtWasmHelpers.cmake +++ b/cmake/QtWasmHelpers.cmake @@ -1,52 +1,48 @@ +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: BSD-3-Clause + # WARNING must keep in sync with wasm-emscripten/qmake.conf! function (qt_internal_setup_wasm_target_properties wasmTarget) target_link_options("${wasmTarget}" INTERFACE - "SHELL:-s ERROR_ON_UNDEFINED_SYMBOLS=1" - "SHELL:-s EXPORTED_RUNTIME_METHODS=[UTF16ToString,stringToUTF16,specialHTMLTargets]" - "SHELL:-s USE_WEBGL2=1" - "--bind" + "SHELL:-s MAX_WEBGL_VERSION=2" "SHELL:-s FETCH=1" - "SHELL:-s WASM_BIGINT=1") + "SHELL:-s WASM_BIGINT=1" + "SHELL:-s STACK_SIZE=5MB") - # Enable MODULARIZE and set EXPORT_NAME, which makes it possible to - # create application instances using a global constructor function, - # e.g. let app_instance = await createQtAppInstance(). - # (as opposed to MODULARIZE=0, where Emscripten creates a global app - # instance object at Javascript eval time) - target_link_options("${wasmTarget}" INTERFACE - "SHELL:-s MODULARIZE=1" - "SHELL:-s EXPORT_NAME=createQtAppInstance") + target_link_libraries("${wasmTarget}" INTERFACE embind) + + ## wasm64 + if (WASM64) + target_compile_options("${wasmTarget}" INTERFACE "SHELL:-s MEMORY64=1" ) + target_link_options("${wasmTarget}" INTERFACE "SHELL:-s MEMORY64=1" -mwasm64) + endif() + # Enable MODULARIZE so that we are able to set EXPORT_NAME later and instantiate on demand (with + # MODULARIZE=0, emscripten creates a global app instance object at Javascript eval time) + target_link_options("${wasmTarget}" INTERFACE "SHELL:-s MODULARIZE=1") #simd + if (QT_FEATURE_wasm_simd128) + target_compile_options("${wasmTarget}" INTERFACE -msimd128) + endif() if (QT_FEATURE_sse2) target_compile_options("${wasmTarget}" INTERFACE -O2 -msimd128 -msse -msse2) endif() - if (QT_FEATURE_opengles3) - target_link_options("${wasmTarget}" INTERFACE "SHELL:-s FULL_ES3=1") - - target_link_options("${wasmTarget}" INTERFACE "SHELL:-s FULL_ES3=1" - "SHELL:-s MAX_WEBGL_VERSION=2" - "SHELL:-s WEBGL2_BACKWARDS_COMPATIBILITY_EMULATION=1") - else() - target_link_options("${wasmTarget}" INTERFACE "SHELL:-s FULL_ES2=1") - endif() - - set(disable_exceptions_catching 1) - if (QT_FEATURE_exceptions) - set(disable_exceptions_catching 0) + # wasm exceptions + if (QT_FEATURE_wasm_exceptions) + target_compile_options("${wasmTarget}" INTERFACE -fwasm-exceptions) + target_link_options("${wasmTarget}" INTERFACE -fwasm-exceptions) endif() - target_link_options("${wasmTarget}" INTERFACE "SHELL:-s DISABLE_EXCEPTION_CATCHING=${disable_exceptions_catching}") if (QT_FEATURE_thread) target_compile_options("${wasmTarget}" INTERFACE "SHELL:-pthread") target_link_options("${wasmTarget}" INTERFACE "SHELL:-pthread") - else() - target_link_options("${wasmTarget}" INTERFACE "SHELL:-s ALLOW_MEMORY_GROWTH=1") endif() + target_link_options("${wasmTarget}" INTERFACE "SHELL:-s ALLOW_MEMORY_GROWTH") + # debug add_compile_options if ("QT_WASM_SOURCE_MAP=1" IN_LIST QT_QMAKE_DEVICE_OPTIONS) set(WASM_SOURCE_MAP_BASE "http://localhost:8000/") @@ -65,7 +61,6 @@ function (qt_internal_setup_wasm_target_properties wasmTarget) # a few good defaults to make console more verbose while debugging target_link_options("${wasmTarget}" INTERFACE $<$<CONFIG:Debug>: "SHELL:-s DEMANGLE_SUPPORT=1" - "SHELL:-s GL_DEBUG=1" --profiling-funcs>) # target_link_options("${wasmTarget}" INTERFACE "SHELL:-s LIBRARY_DEBUG=1") # print out library calls, verbose @@ -74,7 +69,6 @@ function (qt_internal_setup_wasm_target_properties wasmTarget) # target_link_options("${wasmTarget}" INTERFACE "SHELL:-s SOCKET_DEBUG") # print out socket,network data transfer if ("QT_EMSCRIPTEN_ASYNCIFY=1" IN_LIST QT_QMAKE_DEVICE_OPTIONS) - # Emscripten recommends building with optimizations when using asyncify # in order to reduce wasm file size, and may also generate broken wasm # (with "wasm validation error: too many locals" type errors) if optimizations @@ -82,7 +76,52 @@ function (qt_internal_setup_wasm_target_properties wasmTarget) set(QT_CFLAGS_OPTIMIZE_DEBUG "-Os" CACHE STRING INTERNAL FORCE) set(QT_FEATURE_optimize_debug ON CACHE BOOL INTERNAL FORCE) - target_link_options("${wasmTarget}" INTERFACE "SHELL:-s ASYNCIFY" "-Os" "-s" "ASYNCIFY_IMPORTS=[qt_asyncify_suspend_js, qt_asyncify_resume_js]") + target_link_options("${wasmTarget}" INTERFACE "SHELL:-s ASYNCIFY" "-Os") target_compile_definitions("${wasmTarget}" INTERFACE QT_HAVE_EMSCRIPTEN_ASYNCIFY) endif() + + # Set ASYNCIFY_IMPORTS unconditionally in order to support enabling asyncify at link time. + target_link_options("${wasmTarget}" INTERFACE "SHELL:-sASYNCIFY_IMPORTS=qt_asyncify_suspend_js,qt_asyncify_resume_js") + + if(QT_FEATURE_shared) + + set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS TRUE) + + set(side_modules + MODULE_LIBRARY SHARED_LIBRARY) + set(enable_side_module_if_needed + "$<$<IN_LIST:$<TARGET_PROPERTY:TYPE>,${side_modules}>:SHELL:-s SIDE_MODULE=1>") + set(enable_main_module_if_needed + "$<$<IN_LIST:$<TARGET_PROPERTY:TYPE>,EXECUTABLE>:SHELL:-s MAIN_MODULE=1>") + set(set_shared_module_type_if_needed + "${enable_side_module_if_needed}" + "${enable_main_module_if_needed}" + ) + + # Add Qt libdir to linker library paths + set(qt_lib_location + "${QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX}/${INSTALL_LIBDIR}") + target_link_options("${wasmTarget}" INTERFACE + "$<$<STREQUAL:$<TARGET_PROPERTY:TYPE>,EXECUTABLE>:SHELL:" -L${qt_lib_location}/>) + + target_compile_options("${wasmTarget}" INTERFACE "${set_shared_module_type_if_needed}") + target_link_options("${wasmTarget}" INTERFACE "${set_shared_module_type_if_needed}") + + else() + target_link_options("${wasmTarget}" INTERFACE "SHELL:-s ERROR_ON_UNDEFINED_SYMBOLS=1") + endif() + + # Suppress warnings for known issues for developer builds + if(FEATURE_developer_build) + target_link_options("${wasmTarget}" INTERFACE "SHELL:-Wno-pthreads-mem-growth") + endif() + endfunction() + +function(qt_internal_wasm_add_finalizers target) + qt_add_list_file_finalizer(_qt_internal_set_wasm_export_name ${target}) + qt_add_list_file_finalizer(_qt_internal_add_wasm_extra_exported_methods ${target}) + qt_add_list_file_finalizer(_qt_internal_wasm_add_target_helpers ${target}) +endfunction() + + |