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Cocoa: Add support for MoltenVK dynamic library
Tested with MoltenVK 0.18.0. Related to #870.
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@ -28,12 +28,12 @@ if (WIN32)
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"$ENV{VK_SDK_PATH}/Bin32")
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endif()
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elseif (APPLE)
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set(CMAKE_FIND_FRAMEWORK NEVER)
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find_library(VULKAN_LIBRARY MoltenVK)
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if (VULKAN_LIBRARY)
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set(VULKAN_STATIC_LIBRARY ${VULKAN_LIBRARY})
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set(CMAKE_FIND_FRAMEWORK ONLY)
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find_library(VULKAN_STATIC_LIBRARY MoltenVK)
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find_path(VULKAN_INCLUDE_DIR NAMES vulkan/vulkan.h HINTS
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"${VULKAN_LIBRARY}/Headers")
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endif()
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else()
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find_path(VULKAN_INCLUDE_DIR NAMES vulkan/vulkan.h HINTS
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"$ENV{VULKAN_SDK}/include")
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@ -108,8 +108,9 @@ located in the `deps/` directory.
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- [Vulkan headers](https://www.khronos.org/registry/vulkan/) for Vulkan tests
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The Vulkan example additionally requires the Vulkan SDK to be installed, or it
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will not be included in the build. On macOS you need to set the path to the
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MoltenVK SDK manually as it has no standard location.
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will not be included in the build. On macOS you need to
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[provide the path](@ref vulkan_loader) to the MoltenVK SDK manually as it has no
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standard installation location.
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The documentation is generated with [Doxygen](http://doxygen.org/). If CMake
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does not find Doxygen, the documentation will not be generated when you build.
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@ -20,6 +20,11 @@ The GLFW library does not need the Vulkan SDK to enable support for Vulkan.
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However, any Vulkan-specific test and example programs are built only if the
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CMake files find a Vulkan SDK.
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@macos Because MoltenVK is typically not installed system-wide, you will need to
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point CMake to it using the `CMAKE_FRAMEWORK_PATH` variable when configuring the
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GLFW source tree. Set this variable to the `MoltenVK/macOS` subdirectory of the
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SDK, either on the command-line or in the CMake GUI.
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For details on a specific function in this category, see the @ref vulkan. There
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are also guides for the other areas of the GLFW API.
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@ -34,19 +39,18 @@ are also guides for the other areas of the GLFW API.
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By default, GLFW will look for the Vulkan loader on demand at runtime via its
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standard name (`vulkan-1.dll` on Windows, `libvulkan.so.1` on Linux and other
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Unix-like systems). This means that GLFW does not need to be linked against the
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loader. However, it also means that if you are using the static library form of
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the Vulkan loader GLFW will either fail to find it or (worse) use the wrong one.
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Unix-like systems and `libMoltenVK.dylib` on macOS). This means that GLFW does
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not need to be linked against the loader. However, it also means that if you
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are using the static library form of the Vulkan loader GLFW will either fail to
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find it or (worse) use the wrong one.
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The @ref GLFW_VULKAN_STATIC CMake option makes GLFW link directly against the
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static form. Not linking against the Vulkan loader will then be a compile-time
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error.
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static library form. Not linking against the Vulkan loader will then be
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a compile-time error.
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@macos MoltenVK only provides the static library form of the Vulkan loader, but
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GLFW is able to find it without @ref GLFW_VULKAN_STATIC as long as it is linked
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into any of the binaries already loaded into the process. As it is a static
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library, you must also link against its dependencies: the `Cocoa`, `Metal` and
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`QuartzCore` frameworks and the `libc++` library.
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@macos When using the static library form of MoltenVK (i.e. `MetalVK.framework`
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and not `libMoltenVK.dylib`) you must also link against its dependencies: the
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`Cocoa`, `Metal` and `QuartzCore` system frameworks and the `libc++` library.
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@section vulkan_include Including the Vulkan and GLFW header files
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@ -211,13 +211,7 @@ extern "C" {
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#endif /* OpenGL and OpenGL ES headers */
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#if defined(GLFW_INCLUDE_VULKAN)
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#if defined(__APPLE__)
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#include <MoltenVK/vulkan/vulkan.h>
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#else
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#include <vulkan/vulkan.h>
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#endif
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#endif /* Vulkan header */
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#if defined(GLFW_DLL) && defined(_GLFW_BUILD_DLL)
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11
src/vulkan.c
11
src/vulkan.c
@ -52,8 +52,7 @@ GLFWbool _glfwInitVulkan(int mode)
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#if defined(_GLFW_WIN32)
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_glfw.vk.handle = _glfw_dlopen("vulkan-1.dll");
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#elif defined(_GLFW_COCOA)
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// NULL maps to RTLD_DEFAULT, which searches all loaded binaries
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_glfw.vk.handle = _glfw_dlopen(NULL);
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_glfw.vk.handle = _glfw_dlopen("libMoltenVK.dylib");
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#else
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_glfw.vk.handle = _glfw_dlopen("libvulkan.so.1");
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#endif
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@ -69,16 +68,8 @@ GLFWbool _glfwInitVulkan(int mode)
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_glfw_dlsym(_glfw.vk.handle, "vkGetInstanceProcAddr");
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if (!_glfw.vk.GetInstanceProcAddr)
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{
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#if defined(_GLFW_COCOA)
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if (mode == _GLFW_REQUIRE_LOADER)
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{
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_glfwInputError(GLFW_API_UNAVAILABLE,
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"Vulkan: vkGetInstanceProcAddr not found in process");
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}
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#else
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_glfwInputError(GLFW_API_UNAVAILABLE,
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"Vulkan: Loader does not export vkGetInstanceProcAddr");
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#endif
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_glfwTerminateVulkan();
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return GLFW_FALSE;
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@ -53,8 +53,10 @@ set(CONSOLE_BINARIES clipboard events msaa glfwinfo iconify monitors reopen
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if (VULKAN_FOUND)
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add_executable(vulkan WIN32 vulkan.c ${ICON})
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target_include_directories(vulkan PRIVATE "${VULKAN_INCLUDE_DIR}")
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if (NOT GLFW_VULKAN_STATIC)
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target_link_libraries(vulkan "${VULKAN_LIBRARY}" ${GLFW_VULKAN_DEPS})
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if (GLFW_VULKAN_STATIC)
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target_link_libraries(vulkan "${VULKAN_STATIC_LIBRARY}" ${GLFW_VULKAN_DEPS})
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else()
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target_link_libraries(vulkan "${VULKAN_LIBRARY}")
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endif()
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list(APPEND WINDOWS_BINARIES vulkan)
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endif()
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