Merge pull request #1774 from secondlife/marchcat/b-merge

Release (Materials featurette) -> Maint B sync

1 files changed, 95 insertions, 0 deletions

diff --git a/indra/newview/gltf/accessor.h b/indra/newview/gltf/accessor.h
new file mode 100644
index 0000000000..9b8265d8da
--- /dev/null
+++ b/indra/newview/gltf/accessor.h
@@ -0,0 +1,95 @@
+#pragma once
+
+/**
+ * @file asset.h
+ * @brief LL GLTF Implementation
+ *
+ * $LicenseInfo:firstyear=2024&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2024, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "../lltinygltfhelper.h"
+#include "llstrider.h"
+
+// LL GLTF Implementation
+namespace LL
+{
+    namespace GLTF
+    {
+        class Asset;
+
+        constexpr S32 INVALID_INDEX = -1;
+
+        class Buffer
+        {
+        public:
+            std::vector<U8> mData;
+            std::string mName;
+            std::string mUri;
+
+            const Buffer& operator=(const tinygltf::Buffer& src);
+        };
+
+        class BufferView
+        {
+        public:
+            S32 mBuffer = INVALID_INDEX;
+            S32 mByteLength;
+            S32 mByteOffset;
+            S32 mByteStride;
+            S32 mTarget;
+            S32 mComponentType;
+
+            std::string mName;
+
+            const BufferView& operator=(const tinygltf::BufferView& src);
+            
+        };
+        
+        class Accessor
+        {
+        public:
+            S32 mBufferView = INVALID_INDEX;
+            S32 mByteOffset;
+            S32 mComponentType;
+            S32 mCount;
+            std::vector<double> mMax;
+            std::vector<double> mMin;
+
+            enum class Type : S32
+            {
+                SCALAR = TINYGLTF_TYPE_SCALAR,
+                VEC2 = TINYGLTF_TYPE_VEC2,
+                VEC3 = TINYGLTF_TYPE_VEC3,
+                VEC4 = TINYGLTF_TYPE_VEC4,
+                MAT2 = TINYGLTF_TYPE_MAT2,
+                MAT3 = TINYGLTF_TYPE_MAT3,
+                MAT4 = TINYGLTF_TYPE_MAT4
+            };
+
+            S32 mType;
+            bool mNormalized;
+            std::string mName;
+
+            const Accessor& operator=(const tinygltf::Accessor& src);
+        };
+    }
+}