Update to latest Magnum with full skinning support and much more (#1968)

* Update Magnum submodules.

* Port away from deprecated Magnum APIs.

* Disable currently unused parts of Magnum.

Author: mosra

src/cmake/FindCorrade.cmake

@@ -80,6 +80,9 @@
 #  CORRADE_BUILD_MULTITHREADED  - Defined if compiled in a way that makes it
 #   possible to safely use certain Corrade features simultaneously in multiple
 #   threads
+#  CORRADE_BUILD_CPU_RUNTIME_DISPATCH - Defined if built with code paths
+#   optimized for multiple architectres with the best matching variant selected
+#   at runtime based on detected CPU features
 #  CORRADE_TARGET_UNIX          - Defined if compiled for some Unix flavor
 #   (Linux, BSD, macOS)
 #  CORRADE_TARGET_APPLE         - Defined if compiled for Apple platforms
@@ -100,6 +103,8 @@
 #  CORRADE_TARGET_MSVC          - Defined if compiling with MSVC or Clang with
 #   a MSVC frontend
 #  CORRADE_TARGET_MINGW         - Defined if compiling under MinGW
+#  CORRADE_CPU_USE_IFUNC        - Defined if GNU IFUNC is allowed to be used
+#   for runtime dispatch in the Cpu library
 #  CORRADE_PLUGINMANAGER_NO_DYNAMIC_PLUGIN_SUPPORT - Defined if PluginManager
 #   doesn't support dynamic plugin loading due to platform limitations
 #  CORRADE_TESTSUITE_TARGET_XCTEST - Defined if TestSuite is targeting Xcode
@@ -210,7 +215,7 @@
 #                     <metadata file>
 #                     <sources>...)
 #
-# Unline the above version this puts everything into ``<debug install dir>`` on
+# Unlike the above version this puts everything into ``<debug install dir>`` on
 # both DLL and non-DLL platforms. If ``<debug install dir>`` is set to
 # :variable:`CMAKE_CURRENT_BINARY_DIR` (e.g. for testing purposes), the files
 # are copied directly, without the need to perform install step. Note that the
@@ -319,6 +324,7 @@ set(_corradeFlags
     BUILD_STATIC
     BUILD_STATIC_UNIQUE_GLOBALS
     BUILD_MULTITHREADED
+    BUILD_CPU_RUNTIME_DISPATCH
     TARGET_UNIX
     TARGET_APPLE
     TARGET_IOS
@@ -327,10 +333,12 @@ set(_corradeFlags
     TARGET_WINDOWS_RT
     TARGET_EMSCRIPTEN
     TARGET_ANDROID
-    # TARGET_X86 etc and TARGET_LIBCXX are not exposed to CMake as the meaning
-    # is unclear on platforms with multi-arch binaries or when mixing different
-    # STL implementations. TARGET_GCC etc are figured out via UseCorrade.cmake,
-    # as the compiler can be different when compiling the lib & when using it.
+    # TARGET_X86 etc, TARGET_32BIT, TARGET_BIG_ENDIAN and TARGET_LIBCXX etc.
+    # are not exposed to CMake as the meaning is unclear on platforms with
+    # multi-arch binaries or when mixing different STL implementations.
+    # TARGET_GCC etc are figured out via UseCorrade.cmake, as the compiler can
+    # be different when compiling the lib & when using it.
+    CPU_USE_IFUNC
     PLUGINMANAGER_NO_DYNAMIC_PLUGIN_SUPPORT
     TESTSUITE_TARGET_XCTEST
     UTILITY_USE_ANSI_COLORS)

src/cmake/FindMagnum.cmake

@@ -57,6 +57,7 @@
 #  Audio                        - Audio library
 #  DebugTools                   - DebugTools library
 #  GL                           - GL library
+#  MaterialTools                - MaterialTools library
 #  MeshTools                    - MeshTools library
 #  Primitives                   - Primitives library
 #  SceneGraph                   - SceneGraph library
@@ -367,8 +368,8 @@ endif()
 # Component distinction (listing them explicitly to avoid mistakes with finding
 # components from other repositories)
 set(_MAGNUM_LIBRARY_COMPONENTS
-    Audio DebugTools GL MeshTools Primitives SceneGraph SceneTools Shaders
-    ShaderTools Text TextureTools Trade
+    Audio DebugTools GL MaterialTools MeshTools Primitives SceneGraph
+    SceneTools Shaders ShaderTools Text TextureTools Trade
     WindowlessEglApplication EglContext OpenGLTester)
 set(_MAGNUM_PLUGIN_COMPONENTS
     AnyAudioImporter AnyImageConverter AnyImageImporter AnySceneConverter
@@ -432,6 +433,8 @@ if(MAGNUM_TARGET_GL)
     set(_MAGNUM_DebugTools_GL_DEPENDENCY_IS_OPTIONAL ON)
 endif()
 
+set(_MAGNUM_MaterialTools_DEPENDENCIES Trade)
+
 set(_MAGNUM_MeshTools_DEPENDENCIES Trade)
 if(MAGNUM_TARGET_GL)
     list(APPEND _MAGNUM_MeshTools_DEPENDENCIES GL)
@@ -883,6 +886,10 @@ foreach(_component ${Magnum_FIND_COMPONENTS})
                     INTERFACE_LINK_LIBRARIES OpenGLES3::OpenGLES3)
             endif()
 
+        # MaterialTools library
+        elseif(_component STREQUAL MaterialTools)
+            set(_MAGNUM_${_COMPONENT}_INCLUDE_PATH_NAMES PhongToPbrMetallicRoughness.h)
+
         # MeshTools library
         elseif(_component STREQUAL MeshTools)
             set(_MAGNUM_${_COMPONENT}_INCLUDE_PATH_NAMES CompressIndices.h)
@@ -901,6 +908,10 @@ foreach(_component ${Magnum_FIND_COMPONENTS})
 
         # No special setup for SceneGraph library
 
+        # SceneTools library
+        elseif(_component STREQUAL SceneTools)
+            set(_MAGNUM_${_COMPONENT}_INCLUDE_PATH_NAMES FlattenMeshHierarchy.h)
+
         # ShaderTools library
         elseif(_component STREQUAL ShaderTools)
             set_property(TARGET Magnum::${_component} APPEND PROPERTY

src/cmake/FindMagnumPlugins.cmake

@@ -271,7 +271,7 @@ foreach(_component ${MagnumPlugins_FIND_COMPONENTS})
 
             # Dynamic plugins don't have any prefix (e.g. `lib` on Linux),
             # search with empty prefix and then reset that back so we don't
-            # accidentaly break something else
+            # accidentally break something else
             set(_tmp_prefixes "${CMAKE_FIND_LIBRARY_PREFIXES}")
             set(CMAKE_FIND_LIBRARY_PREFIXES "${CMAKE_FIND_LIBRARY_PREFIXES};")
 

src/cmake/dependencies.cmake

@@ -197,6 +197,10 @@ if(NOT USE_SYSTEM_MAGNUM)
     set(MAGNUM_TARGET_EGL ON CACHE BOOL "" FORCE)
   endif()
 
+  # These are enabled by default but we don't need them for anything yet
+  set(MAGNUM_WITH_SHADERTOOLS OFF CACHE BOOL "" FORCE)
+  set(MAGNUM_WITH_MATERIALTOOLS OFF CACHE BOOL "" FORCE)
+
   # These are enabled by default but we don't need them if not building GUI
   # viewers -- disabling for slightly faster builds. If you need any of these
   # always, simply delete a line.

src/deps/corrade

@@ -171,7 +171,8 @@ class DebugLineRender {
     Magnum::GL::Buffer buffer;
     Magnum::GL::Mesh mesh{Magnum::GL::MeshPrimitive::Lines};
     Magnum::Shaders::FlatGL3D shader{
-        Magnum::Shaders::FlatGL3D::Flag::VertexColor};
+        Magnum::Shaders::FlatGL3D::Configuration{}.setFlags(
+            Magnum::Shaders::FlatGL3D::Flag::VertexColor)};
   };
 
   std::vector<Magnum::Matrix4> _inputTransformStack;