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#pragma once
#include "drape/texture.hpp"
#include "drape/glconstants.hpp"
namespace dp
{
template<typename TIndexer, typename TResourceKey, Texture::ResourceType TResourceType>
class DynamicTexture : public Texture
{
public:
virtual ~DynamicTexture()
{
ASSERT(m_indexer.IsNull(), ());
}
virtual RefPointer<ResourceInfo> FindResource(Key const & key) const
{
ASSERT(!m_indexer.IsNull(), ());
if (key.GetType() != TResourceType)
return RefPointer<ResourceInfo>();
return m_indexer->MapResource(static_cast<TResourceKey const &>(key));
}
virtual void UpdateState()
{
ASSERT(!m_indexer.IsNull(), ());
Bind();
m_indexer->UploadResources(MakeStackRefPointer<Texture>(this));
}
protected:
DynamicTexture() {}
struct TextureParams
{
m2::PointU m_size;
dp::TextureFormat m_format;
glConst m_minFilter;
glConst m_magFilter;
};
void Init(RefPointer<TIndexer> indexer, TextureParams const & params)
{
Init(indexer, params, MakeStackRefPointer<void>(nullptr));
}
void Init(RefPointer<TIndexer> indexer, TextureParams const & params, RefPointer<void> data)
{
m_indexer = indexer;
Create(params.m_size.x, params.m_size.y, params.m_format, data);
SetFilterParams(params.m_minFilter, params.m_magFilter);
}
void Reset()
{
m_indexer = RefPointer<TIndexer>();
}
private:
mutable RefPointer<TIndexer> m_indexer;
};
}
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