31 lines
818 B
C++
31 lines
818 B
C++
#ifndef RAGNAROK_SOURCE_RENDER_RENDERVERTEXPOOL_H
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#define RAGNAROK_SOURCE_RENDER_RENDERVERTEXPOOL_H
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#include "Render/RenderPrimitive.h"
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#include <forward_list>
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#include <memory>
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#include <vector>
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// Renderer +0xB0. Commands borrow slices until queue draining precedes Rewind.
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// Blocks never grow while active, so later acquisition cannot invalidate them.
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class RenderVertexPool {
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public:
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RenderVertexPool();
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RenderVertex* Acquire(unsigned count);
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void Rewind();
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private:
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using Block = std::vector<RenderVertex>;
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unsigned m_minimum;
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unsigned m_used;
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std::forward_list<std::unique_ptr<Block>> m_active;
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std::forward_list<std::unique_ptr<Block>> m_unused;
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Block& Activate(unsigned capacity);
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};
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#if defined(_WIN32) && !defined(_WIN64)
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static_assert(sizeof(RenderVertexPool) == 16);
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#endif
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#endif
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