Emscripten support.

Doesn't work due to i64 vs i32 type mismatch in glGetIntegerv, which
seems like some general compatibility bullshit, not something related
to CMake.

cmake/config.cmake

@@ -25,6 +25,6 @@ if(WIN32)
     add_definitions(-DNOMINMAX -DWIN32_LEAN_AND_MEAN)
 endif()
 
-if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
+if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug" AND NOT EMSCRIPTEN)
     set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
 endif()

cmake/server.cmake

@@ -33,7 +33,7 @@ if(NO_STATISTICS)
     target_compile_definitions(TracyServer PUBLIC TRACY_NO_STATISTICS)
 endif()
 
-if(UNIX AND NOT APPLE)
+if(UNIX AND NOT APPLE AND NOT EMSCRIPTEN)
     target_link_libraries(TracyServer PRIVATE TracyTbb)
 endif()
 

cmake/vendor.cmake

@@ -33,7 +33,7 @@ endif()
 
 # GLFW
 
-if(NOT USE_WAYLAND)
+if(NOT USE_WAYLAND AND NOT EMSCRIPTEN)
     pkg_check_modules(GLFW glfw3)
     if (GLFW_FOUND AND NOT DOWNLOAD_GLFW)
         add_library(TracyGlfw3 INTERFACE)
@@ -161,13 +161,9 @@ add_library(TracyImGui STATIC ${IMGUI_SOURCES})
 target_include_directories(TracyImGui PUBLIC ${IMGUI_DIR})
 target_link_libraries(TracyImGui PUBLIC TracyFreetype)
 
-if (NOT USE_WAYLAND)
-    target_link_libraries(TracyImGui PUBLIC TracyGlfw3)
-endif()
-
 # NFD
 
-if (NOT NO_FILESELECTOR)
+if (NOT NO_FILESELECTOR AND NOT EMSCRIPTEN)
     set(NFD_DIR "${ROOT_DIR}/nfd")
 
     if (WIN32)
@@ -215,7 +211,7 @@ endif()
 
 # TBB
 
-if (UNIX AND NOT APPLE)
+if (UNIX AND NOT APPLE AND NOT EMSCRIPTEN)
     # Tracy does not use TBB directly, but the implementation of parallel algorithms
     # in some versions of libstdc++ depends on TBB. When it does, you must
     # explicitly link against -ltbb.

profiler/CMakeLists.txt

@@ -141,4 +141,20 @@ else()
     add_executable(${PROJECT_NAME} ${PROFILER_FILES} ${COMMON_FILES} ${SERVER_FILES})
 endif()
 
-target_link_libraries(${PROJECT_NAME} PRIVATE TracyServer TracyImGui TracyNfd)
+target_link_libraries(${PROJECT_NAME} PRIVATE TracyServer TracyImGui)
+
+if(NOT EMSCRIPTEN)
+    target_link_libraries(${PROJECT_NAME} PRIVATE TracyNfd)
+    if (NOT USE_WAYLAND)
+        target_link_libraries(${PROJECT_NAME} PRIVATE TracyGlfw3)
+    endif()
+endif()
+
+if(EMSCRIPTEN)
+    set_property(TARGET ${PROJECT_NAME} PROPERTY COMPILE_FLAGS "-sUSE_FREETYPE=1 -pthread -DIMGUI_IMPL_OPENGL_ES2")
+    set_property(TARGET ${PROJECT_NAME} PROPERTY LINK_FLAGS "-sASSERTIONS=0 -sUSE_GLFW=3 -sINITIAL_MEMORY=384mb -sALLOW_MEMORY_GROWTH=1 -sMAXIMUM_MEMORY=4gb -sWASM_BIGINT=1 -sPTHREAD_POOL_SIZE=4 -sEXPORTED_FUNCTIONS=_main,_nativeResize,_nativeOpenFile -sEXPORTED_RUNTIME_METHODS=ccall -sENVIRONMENT=web,worker --preload-file embed.tracy")
+
+    file(DOWNLOAD https://share.nereid.pl/i/embed.tracy ${CMAKE_CURRENT_BINARY_DIR}/embed.tracy EXPECTED_MD5 ca0fa4f01e7b8ca5581daa16b16c768d)
+    file(COPY ${CMAKE_CURRENT_LIST_DIR}/wasm/index.html DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
+    file(COPY ${CMAKE_CURRENT_LIST_DIR}/wasm/httpd.py DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
+endif()

profiler/wasm/Makefile

@@ -1,20 +0,0 @@
-all: release
-
-embed.tracy:
-	wget https://share.nereid.pl/i/embed.tracy
-
-debug: embed.tracy
-	@$(MAKE) -f debug.mk all TRACY_NO_ISA_EXTENSIONS=1
-
-release: embed.tracy
-	@$(MAKE) -f release.mk all TRACY_NO_ISA_EXTENSIONS=1
-
-clean:
-	@$(MAKE) -f build.mk clean
-	rm -rf Tracy-release.*
-	rm -rf Tracy-debug.*
-
-serve:
-	@python httpd.py
-
-.PHONY: all clean debug release serve

profiler/wasm/build.mk

@@ -1,16 +0,0 @@
-CC=emcc
-CXX=em++
-
-CFLAGS += -sUSE_FREETYPE=1 -pthread
-CXXFLAGS := $(CFLAGS) -std=c++17
-DEFINES += -DIMGUI_ENABLE_FREETYPE -DIMGUI_IMPL_OPENGL_ES2
-INCLUDES := -I../../../imgui -I$(HOME)/.emscripten_cache/sysroot/include/capstone
-LIBS += -lpthread -ldl $(HOME)/.emscripten_cache/sysroot/lib/libcapstone.a -sUSE_GLFW=3 -sINITIAL_MEMORY=384mb -sALLOW_MEMORY_GROWTH=1 -sMAXIMUM_MEMORY=4gb -sWASM_BIGINT=1 -sPTHREAD_POOL_SIZE=4 -sEXPORTED_FUNCTIONS=_main,_nativeResize,_nativeOpenFile -sEXPORTED_RUNTIME_METHODS=ccall -sENVIRONMENT=web,worker --preload-file embed.tracy
-
-PROJECT := Tracy
-IMAGE := $(PROJECT)-$(BUILD).html
-NO_TBB := 1
-
-FILTER := ../../../nfd/nfd_win.cpp
-include ../../../common/src-from-vcxproj.mk
-include ../../../common/unix.mk

profiler/wasm/debug.mk

@@ -1,7 +0,0 @@
-CFLAGS := -g3 -gsource-map -Wall
-DEFINES := -DDEBUG
-BUILD := debug
-LIBS := -sDEMANGLE_SUPPORT=1
-
-include ../../../common/unix-debug.mk
-include build.mk

profiler/wasm/index.html

@@ -161,6 +161,6 @@
       addEventListener('resize', resizeHandler);
       resizeHandler();
     </script>
-    <script async type="text/javascript" src="Tracy-release.js"></script>
+    <script async type="text/javascript" src="tracy-profiler.js"></script>
   </body>
 </html>

profiler/wasm/release.mk

@@ -1,7 +0,0 @@
-CFLAGS := -Os
-DEFINES := -DNDEBUG
-BUILD := release
-LIBS := -sASSERTIONS=0
-
-include ../../../common/unix-release.mk
-include build.mk