1 files changed, 50 insertions, 0 deletions
diff --git a/extern/draco/src/common.h b/extern/draco/src/common.h
new file mode 100644
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+++ b/extern/draco/src/common.h
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+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Library for the Draco encoding/decoding feature inside the glTF-Blender-IO project.
+ *
+ * The python script within glTF-Blender-IO uses the CTypes library to open the DLL,
+ * load function pointers add pass the raw data to the encoder.
+ *
+ * @author Jim Eckerlein <eckerlein@ux3d.io>
+ * @date   2020-11-18
+ */
+
+#pragma once
+
+#include <cstdint>
+#include <cstddef>
+
+#if defined(_MSC_VER)
+#define API(returnType) extern "C" __declspec(dllexport) returnType __cdecl
+#else
+#define API(returnType) extern "C" returnType
+#endif
+
+enum ComponentType: size_t
+{
+    Byte = 5120,
+    UnsignedByte = 5121,
+    Short = 5122,
+    UnsignedShort = 5123,
+    UnsignedInt = 5125,
+    Float = 5126,
+};
+
+size_t getNumberOfComponents(char *dataType);
+
+size_t getComponentByteLength(size_t componentType);
+
+size_t getAttributeStride(size_t componentType, char *dataType);