Basis{ImageConverter,Importer}: add support for basis_universal 1.50

modules/FindBasisUniversal.cmake

@@ -188,7 +188,11 @@ foreach(_component ${BasisUniversal_FIND_COMPONENTS})
                     lodepng.cpp
                     # Added in 1.16
                     basisu_opencl.cpp
-                    pvpngreader.cpp)
+                    pvpngreader.cpp
+                    # Added in 1.50
+                    basisu_astc_hdr_enc.cpp
+                    3rdparty/android_astc_decomp.cpp
+                    3rdparty/tinyexr.cpp)
                     # Disable the find root path here, it overrides the
                     # CMAKE_FIND_ROOT_PATH_MODE_INCLUDE setting potentially set in
                     # toolchains.

src/MagnumPlugins/BasisImageConverter/BasisImageConverter.cpp

@@ -274,7 +274,11 @@ template<UnsignedInt dimensions> Containers::Optional<Containers::Array<char>> c
     /* If these are enabled, the library reads BMPs/JPGs/PNGs/TGAs from the
        filesystem and then writes basis files there also. DO NOT WANT. */
     params.m_read_source_images = false;
+    #if BASISU_LIB_VERSION >= 150
+    params.m_write_output_basis_or_ktx2_files = false;
+    #else
     params.m_write_output_basis_files = false;
+    #endif
     /* One image per slice. The base mip is in m_source_images, mip 1 and
        higher go into m_source_mipmap_images. */
     const UnsignedInt numImages = Vector3i::pad(baseSize, 1).z();