option(ENABLE_GLSLANG_BINARIES "Builds glslangValidator and spirv-remap" ON)
-option(ENABLE_GLSLANG_WEB "Reduces glslang to minimum needed for web use" OFF)
-option(ENABLE_GLSLANG_WEB_DEVEL "For ENABLE_GLSLANG_WEB builds, enables compilation error messages" OFF)
-option(ENABLE_EMSCRIPTEN_SINGLE_FILE "If using Emscripten, enables SINGLE_FILE build" OFF)
-option(ENABLE_EMSCRIPTEN_ENVIRONMENT_NODE "If using Emscripten, builds to run on Node instead of Web" OFF)
-
-CMAKE_DEPENDENT_OPTION(ENABLE_HLSL "Enables HLSL input support" ON "NOT ENABLE_GLSLANG_WEB" OFF)
+option(ENABLE_GLSLANG_JS
+ "If using Emscripten, build glslang.js. Otherwise, builds a sample executable for binary-size testing." OFF)
+CMAKE_DEPENDENT_OPTION(ENABLE_GLSLANG_WEBMIN
+ "Reduces glslang to minimum needed for web use"
+ OFF "ENABLE_GLSLANG_JS"
+ OFF)
+CMAKE_DEPENDENT_OPTION(ENABLE_GLSLANG_WEBMIN_DEVEL
+ "For ENABLE_GLSLANG_WEBMIN builds, enables compilation error messages"
+ OFF "ENABLE_GLSLANG_WEBMIN"
+ OFF)
+CMAKE_DEPENDENT_OPTION(ENABLE_EMSCRIPTEN_SINGLE_FILE
+ "If using Emscripten, enables SINGLE_FILE build"
+ OFF "ENABLE_GLSLANG_JS AND EMSCRIPTEN"
+ OFF)
+CMAKE_DEPENDENT_OPTION(ENABLE_EMSCRIPTEN_ENVIRONMENT_NODE
+ "If using Emscripten, builds to run on Node instead of Web"
+ OFF "ENABLE_GLSLANG_JS AND EMSCRIPTEN"
+ OFF)
+
+CMAKE_DEPENDENT_OPTION(ENABLE_HLSL
+ "Enables HLSL input support"
+ ON "NOT ENABLE_GLSLANG_WEBMIN"
+ OFF)
option(ENABLE_OPT "Enables spirv-opt capability if present" ON)
option(ENABLE_PCH "Enables Precompiled header" ON)
add_definitions(-DENABLE_HLSL)
endif(ENABLE_HLSL)
-if(ENABLE_GLSLANG_WEB)
+if(ENABLE_GLSLANG_WEBMIN)
add_definitions(-DGLSLANG_WEB)
- if(ENABLE_GLSLANG_WEB_DEVEL)
+ if(ENABLE_GLSLANG_WEBMIN_DEVEL)
add_definitions(-DGLSLANG_WEB_DEVEL)
- endif(ENABLE_GLSLANG_WEB_DEVEL)
-endif(ENABLE_GLSLANG_WEB)
+ endif(ENABLE_GLSLANG_WEBMIN_DEVEL)
+endif(ENABLE_GLSLANG_WEBMIN)
if(WIN32)
set(CMAKE_DEBUG_POSTFIX "d")
add_compile_options(/GR-) # Disable RTTI
endif()
-if(EMSCRIPTEN)
- add_compile_options(-Os -fno-exceptions)
- add_compile_options("SHELL: -s WASM=1")
- add_compile_options("SHELL: -s WASM_OBJECT_FILES=0")
- add_link_options(-Os)
- add_link_options("SHELL: -s FILESYSTEM=0")
- add_link_options("SHELL: --llvm-lto 1")
- add_link_options("SHELL: --closure 1")
- add_link_options("SHELL: -s ALLOW_MEMORY_GROWTH=1")
-
- if(ENABLE_EMSCRIPTEN_SINGLE_FILE)
- add_link_options("SHELL: -s SINGLE_FILE=1")
- endif(ENABLE_EMSCRIPTEN_SINGLE_FILE)
-else()
- if(ENABLE_GLSLANG_WEB)
- if(MSVC)
- add_compile_options(/Os /GR-)
- else()
- add_compile_options(-Os -fno-exceptions)
- add_link_options(-Os)
- endif()
- endif(ENABLE_GLSLANG_WEB)
-endif(EMSCRIPTEN)
+if(ENABLE_GLSLANG_JS)
+ if(MSVC)
+ add_compile_options(/Os /GR-)
+ else()
+ add_compile_options(-Os -fno-exceptions)
+ add_link_options(-Os)
+ endif()
+endif(ENABLE_GLSLANG_JS)
# Request C++11
if(${CMAKE_VERSION} VERSION_LESS 3.1)
+ execute `updateGrammar web` from the glslang subdirectory
(or if using your own scripts, `m4` needs a `-DGLSLANG_WEB` argument)
+ set `-DENABLE_HLSL=OFF -DBUILD_TESTING=OFF -DENABLE_OPT=OFF -DINSTALL_GTEST=OFF`
- + turn on `-DENABLE_GLSLANG_WEB=ON`
+ + turn on `-DENABLE_GLSLANG_JS=ON`
+ + optionally, for a minimum-size binary, turn on `-DENABLE_GLSLANG_WEBMIN=ON`
+ optionally, for GLSL compilation error messages, turn on `-DENABLE_GLSLANG_WEB_DEVEL=ON`
* `emsdk` needs to be present in your executable search path, *PATH* for
Bash-like environments
message("unknown platform")
endif(WIN32)
-if(EMSCRIPTEN OR ENABLE_GLSLANG_WEB)
+if(EMSCRIPTEN OR ENABLE_GLSLANG_JS)
+ # May be enabled on non-Emscripten builds for binary-size testing.
add_subdirectory(OSDependent/Web)
-endif(EMSCRIPTEN OR ENABLE_GLSLANG_WEB)
+endif(EMSCRIPTEN OR ENABLE_GLSLANG_JS)
set(SOURCES
MachineIndependent/glslang.m4
set_property(TARGET glslang PROPERTY POSITION_INDEPENDENT_CODE ON)
target_link_libraries(glslang OGLCompiler OSDependent)
target_include_directories(glslang PUBLIC
- $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/..>
- $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
+ $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/..>
+ $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
if(WIN32 AND BUILD_SHARED_LIBS)
set_target_properties(glslang PROPERTIES PREFIX "")
install(TARGETS glslang EXPORT glslangTargets
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
- install(EXPORT glslangTargets DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake)
+ install(EXPORT glslangTargets DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake)
endif(ENABLE_GLSLANG_INSTALL)
if(ENABLE_GLSLANG_INSTALL)
-add_executable(glslang.js "glslang.js.cpp")
-glslang_set_link_args(glslang.js)
-target_link_libraries(glslang.js glslang SPIRV)
-if(EMSCRIPTEN)
- set_target_properties(glslang.js PROPERTIES
- OUTPUT_NAME "glslang"
- SUFFIX ".js")
- em_link_pre_js(glslang.js "${CMAKE_CURRENT_SOURCE_DIR}/glslang.pre.js")
+if(ENABLE_GLSLANG_JS)
+ add_executable(glslang.js "glslang.js.cpp")
+ glslang_set_link_args(glslang.js)
+ target_link_libraries(glslang.js glslang SPIRV)
- target_link_options(glslang.js PRIVATE
- "SHELL:--bind -s MODULARIZE=1")
- if(ENABLE_EMSCRIPTEN_ENVIRONMENT_NODE)
- target_link_options(glslang.js PRIVATE
- "SHELL:-s ENVIRONMENT=node -s BINARYEN_ASYNC_COMPILATION=0")
- else()
- target_link_options(glslang.js PRIVATE
- "SHELL:-s ENVIRONMENT=web,worker")
- endif()
+ if(EMSCRIPTEN)
+ set_target_properties(glslang.js PROPERTIES
+ OUTPUT_NAME "glslang"
+ SUFFIX ".js")
+ em_link_pre_js(glslang.js "${CMAKE_CURRENT_SOURCE_DIR}/glslang.pre.js")
- if(NOT ENABLE_EMSCRIPTEN_ENVIRONMENT_NODE)
- add_custom_command(TARGET glslang.js POST_BUILD
- COMMAND cat ${CMAKE_CURRENT_SOURCE_DIR}/glslang.after.js >> ${CMAKE_CURRENT_BINARY_DIR}/glslang.js)
- endif()
-endif(EMSCRIPTEN)
+ target_link_options(glslang.js PRIVATE "SHELL: -Os")
+ target_link_options(glslang.js PRIVATE "SHELL: --llvm-lto 1")
+ target_link_options(glslang.js PRIVATE "SHELL: --closure 1")
+ target_link_options(glslang.js PRIVATE "SHELL: -s MODULARIZE=1")
+ target_link_options(glslang.js PRIVATE "SHELL: -s ALLOW_MEMORY_GROWTH=1")
+ target_link_options(glslang.js PRIVATE "SHELL: -s FILESYSTEM=0")
+
+ if(ENABLE_EMSCRIPTEN_SINGLE_FILE)
+ target_link_options(glslang.js "SHELL: -s SINGLE_FILE=1")
+ endif(ENABLE_EMSCRIPTEN_SINGLE_FILE)
+
+ if(ENABLE_EMSCRIPTEN_ENVIRONMENT_NODE)
+ target_link_options(glslang.js PRIVATE "SHELL: -s ENVIRONMENT=node -s BINARYEN_ASYNC_COMPILATION=0")
+ else()
+ target_link_options(glslang.js PRIVATE "SHELL: -s ENVIRONMENT=web,worker")
+ endif()
+
+ if(NOT ENABLE_EMSCRIPTEN_ENVIRONMENT_NODE)
+ add_custom_command(TARGET glslang.js POST_BUILD
+ COMMAND cat ${CMAKE_CURRENT_SOURCE_DIR}/glslang.after.js >> ${CMAKE_CURRENT_BINARY_DIR}/glslang.js)
+ endif()
+ endif(EMSCRIPTEN)
+endif(ENABLE_GLSLANG_JS)
uint32_t* output;
size_t output_len;
- void* id = convert_glsl_to_spirv(input, 4, false, &output, &output_len);
+ void* id = convert_glsl_to_spirv(input, 4, false, glslang::EShTargetSpv_1_0, &output, &output_len);
assert(output != nullptr);
assert(output_len != 0);
destroy_output_buffer(id);