Added debug output operator for Buffer::Target.

src/Buffer.cpp

@@ -221,4 +221,40 @@ bool Buffer::unmapImplementationDSA() {
 }
 #endif
 
+#ifndef DOXYGEN_GENERATING_OUTPUT
+Debug operator<<(Debug debug, Buffer::Target value) {
+    switch(value) {
+        #define _c(value) case Buffer::Target::value: return debug << "Buffer::Target::" #value;
+        _c(Array)
+        #ifndef MAGNUM_TARGET_GLES
+        _c(AtomicCounter)
+        #endif
+        #ifndef MAGNUM_TARGET_GLES2
+        _c(CopyRead)
+        _c(CopyWrite)
+        #endif
+        #ifndef MAGNUM_TARGET_GLES
+        _c(DispatchIndirect)
+        _c(DrawIndirect)
+        #endif
+        _c(ElementArray)
+        #ifndef MAGNUM_TARGET_GLES2
+        _c(PixelPack)
+        _c(PixelUnpack)
+        #endif
+        #ifndef MAGNUM_TARGET_GLES
+        _c(ShaderStorage)
+        _c(Texture)
+        #endif
+        #ifndef MAGNUM_TARGET_GLES2
+        _c(TransformFeedback)
+        _c(Uniform)
+        #endif
+        #undef _c
+    }
+
+    return debug << "Buffer::Target::(invalid)";
+}
+#endif
+
 }

src/Buffer.h

@@ -781,6 +781,9 @@ class MAGNUM_EXPORT Buffer {
 
 CORRADE_ENUMSET_OPERATORS(Buffer::MapFlags)
 
+/** @debugoperator{Magnum::Buffer} */
+Debug MAGNUM_EXPORT operator<<(Debug debug, Buffer::Target value);
+
 }
 
 #endif