#define DALI_INTERNAL_SCENE_GRAPH_UNIFORM_MAP_H
/*
- * Copyright (c) 2018 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2022 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*/
// EXTERNAL INCLUDES
-#include <string>
#include <cstdint> // uint32_t
+#include <string>
// INTERNAL INCLUDES
#include <dali/devel-api/common/hash.h>
namespace SceneGraph
{
-
/**
* The uniform map is used to map a uniform name to a property value.
*/
class UniformPropertyMapping
{
public:
+ using Hash = unsigned long;
+
/**
* Constructor
*/
UniformPropertyMapping(ConstString theUniformName, const PropertyInputImpl* thePropertyPtr)
: propertyPtr(thePropertyPtr),
- uniformName(theUniformName)
+ uniformName(theUniformName),
+ uniformNameHash(0u),
+ uniformNameHashNoArray(0u),
+ arrayIndex(0u)
{
+ // Look for array index closing bracket
+ auto nameStringView = theUniformName.GetStringView();
+ auto pos = nameStringView.rfind("]");
+
+ // If found, extract the array index and store it, if it's an element in an array of basic types.
+ if(pos != std::string::npos)
+ {
+ auto pos0 = theUniformName.GetStringView().rfind("[", pos);
+ if(pos == nameStringView.length() - 1) // if element is in struct, don't set array index.
+ {
+ arrayIndex = atoi(theUniformName.GetCString() + pos0 + 1);
+ }
+ // Calculate hash from name without array index
+ uniformNameHashNoArray = Dali::CalculateHash(theUniformName.GetStringView().substr(0, pos0).data(), '[');
+ }
+ uniformName = theUniformName;
+ uniformNameHash = Dali::CalculateHash(theUniformName.GetCString());
}
UniformPropertyMapping() = default;
const PropertyInputImpl* propertyPtr{nullptr};
- ConstString uniformName;
+ ConstString uniformName{};
+ Hash uniformNameHash{0u};
+ Hash uniformNameHashNoArray{0u};
+ int32_t arrayIndex{0u};
};
/**
class Observer
{
public:
-
/**
* Inform observer that uniform mappings have been changed
* @param mappings
virtual void UniformMappingsChanged(const UniformMap& mappings) = 0;
protected:
-
/**
* Virtual destructor, no deletion through this interface
*/
/**
* Add an observer that watches for changes in the mappings
*/
- void AddObserver( Observer& observer );
+ void AddObserver(Observer& observer);
/**
* Remove an observer
*/
- void RemoveObserver( Observer& observer );
+ void RemoveObserver(Observer& observer);
/**
* Add a map to the mappings table.
/**
* Remove a map from the mappings table
*/
- void Remove( ConstString uniformName );
+ void Remove(ConstString uniformName);
/**
* Find a property given the uniform name.
* @return The address of the property if it's in the map, or NULL otherwise.
*/
- const PropertyInputImpl* Find( ConstString uniformName );
+ const PropertyInputImpl* Find(ConstString uniformName);
/**
* Get the count of uniforms in the map
* @param[in] index The index of the element to fetch
* @return reference to the element in the map
*/
- const UniformPropertyMapping& operator[]( SizeType index ) const;
+ const UniformPropertyMapping& operator[](SizeType index) const;
private:
/**
Observers mObservers;
};
-
} // namespace SceneGraph
} // namespace Internal
} // namespace Dali