Adding ViroKit. Needs AWSCore :(

mobile/ios/ViroKit.framework/Headers/VROTextureUtil.h

@@ -0,0 +1,61 @@
+//
+//  VROTextureUtil.h
+//  ViroRenderer
+//
+//  Created by Raj Advani on 3/21/16.
+//  Copyright © 2016 Viro Media. All rights reserved.
+//
+
+#ifndef VROTextureUtil_h
+#define VROTextureUtil_h
+
+#include <memory>
+#include <vector>
+#include "VROStringUtil.h"
+#include "VROTexture.h"
+
+class VRODriver;
+class VROData;
+enum class VROTextureFormat;
+enum class VROTextureType;
+
+class VROTextureUtil {
+    
+public:
+    
+    /*
+     Read a texture file with an ASTC header. Read the width and height from the header then
+     strip it out and return the raw texture data.
+     */
+    static std::shared_ptr<VROData> readASTCHeader(const uint8_t *data, int length, VROTextureFormat *outFormat,
+                                                   int *outWidth, int *outHeight);
+    
+    /*
+     Read a texture file with a PKM header. Read the width and height from the header then
+     strip it out and return the raw texture data, with successive mipmap levels concatenated
+     contiguously together.
+     
+     The size of each mipmap level is returned in the outMipmaps vector.
+     */
+    static std::shared_ptr<VROData> readKTXHeader(const uint8_t *data, uint32_t length, VROTextureFormat *outFormat,
+                                                  int *outWidth, int *outHeight, std::vector<uint32_t> *outMipSizes);
+    
+    /*
+     Read a texture file with a VHD header. Read the width and height from the header then
+     strip it out and return the raw texture data, with successive mipmap levels concatenated
+     contiguously together.
+          
+     The size of each mipmap level is returned in the outMipmaps vector.
+     */
+    static std::shared_ptr<VROData> readVHDHeader(const std::string &data, VROTextureFormat *outFormat,
+                                                  int *outWidth, int *outHeight, std::vector<uint32_t> *outMipSizes);
+
+    /**
+     Returns the stereo mode that corresponds to the given string.
+     If none is found VROStereoMode::None will be returned.
+     */
+    static VROStereoMode getStereoModeForString(std::string tag);
+    
+};
+
+#endif /* VROTextureUtil_h */