39 lines
796 B
C++
39 lines
796 B
C++
#include <unordered_map>
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#include <cstdint>
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#include <memory>
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#include "render/loader/GLLoader.h"
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namespace td {
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namespace render {
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class VertexCache {
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typedef std::vector<float> Vector;
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struct DataIndex {
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Vector position;
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Vector color;
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};
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private:
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std::size_t m_VertexCount;
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std::unordered_map<std::uint64_t, DataIndex> m_Indexes;
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std::unique_ptr<GL::VertexArray> m_VertexArray;
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public:
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VertexCache() : m_VertexCount(0) {}
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void AddData(std::uint64_t index, std::vector<float> positions, std::vector<float> colors);
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void RemoveData(std::uint64_t index);
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void Clear();
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void UpdateVertexArray();
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const GL::VertexArray& GetVertexArray() const { return *m_VertexArray; }
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bool IsEmpty() const { return m_VertexArray == nullptr; }
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};
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} // namespace render
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} // namespace td
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