AnySceneConverter: recognize glTF files.

doc/changelog.dox

@@ -539,6 +539,7 @@ See also:
     [mosra/magnum#529](https://github.com/mosra/magnum/pull/529))
 -   Recognizing KTX2 for (compressed) 1D/2D/3D and multi-level 1D/2D/3D images
     in @relativeref{Trade,AnyImageConverter}
+-   Recognizing glTF files in @relativeref{Trade,AnySceneConverter}
 -   Recognizing 3MF files in @relativeref{Trade,AnySceneImporter}
 -   Recognizing OpenVBD files in @relativeref{Trade,AnyImageImporter} and
     @relativeref{Trade,AnyImageConverter}

src/MagnumPlugins/AnySceneConverter/AnySceneConverter.cpp

@@ -83,7 +83,10 @@ bool AnySceneConverter::doConvertToFile(const MeshData& mesh, const Containers::
 
     /* Detect the plugin from extension */
     Containers::StringView plugin;
-    if(normalizedExtension == ".ply"_s)
+    if(normalizedExtension == ".gltf"_s ||
+       normalizedExtension == ".glb"_s)
+        plugin = "GltfSceneConverter"_s;
+    else if(normalizedExtension == ".ply"_s)
         plugin = "StanfordSceneConverter"_s;
     else {
         Error{} << "Trade::AnySceneConverter::convertToFile(): cannot determine the format of" << filename;
@@ -132,7 +135,10 @@ bool AnySceneConverter::doBeginFile(const Containers::StringView filename) {
 
     /* Detect the plugin from extension */
     Containers::StringView plugin;
-    if(normalizedExtension == ".ply"_s)
+    if(normalizedExtension == ".gltf"_s ||
+       normalizedExtension == ".glb"_s)
+        plugin = "GltfSceneConverter"_s;
+    else if(normalizedExtension == ".ply"_s)
         plugin = "StanfordSceneConverter"_s;
     else {
         Error{} << "Trade::AnySceneConverter::beginFile(): cannot determine the format of" << filename;

src/MagnumPlugins/AnySceneConverter/AnySceneConverter.h

@@ -60,6 +60,8 @@ namespace Magnum { namespace Trade {
 Detects file type based on file extension, loads corresponding plugin and then
 tries to convert the file with it. Supported formats:
 
+-   glTF (`*.gltf`, `*.glb`), converted with @ref GltfSceneConverter or any
+    other plugin that provides it
 -   Stanford (`*.ply`), converted with @ref StanfordSceneConverter or any other
     plugin that provides it
 

src/MagnumPlugins/AnySceneConverter/Test/AnySceneConverterTest.cpp

@@ -73,6 +73,8 @@ constexpr struct {
     const char* filename;
     const char* plugin;
 } DetectConvertData[]{
+    {"glTF", "khronos.gltf", "GltfSceneConverter"},
+    {"glTF binary", "khronos.glb", "GltfSceneConverter"},
     {"Stanford PLY", "bunny.ply", "StanfordSceneConverter"},
     /* Have at least one test case with uppercase */
     {"Stanford PLY uppercase", "ARMADI~1.PLY", "StanfordSceneConverter"}
@@ -83,6 +85,8 @@ constexpr struct {
     const char* filename;
     const char* plugin;
 } DetectBeginEndData[]{
+    {"glTF", "khronos.gltf", "GltfSceneConverter"},
+    {"glTF binary", "khronos.glb", "GltfSceneConverter"},
     {"Stanford PLY", "bunny.ply", "StanfordSceneConverter"},
     /* Have at least one test case with uppercase */
     {"Stanford PLY uppercase", "ARMADI~1.PLY", "StanfordSceneConverter"}