37 lines
960 B
C
37 lines
960 B
C
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#pragma once
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#include <atomic>
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namespace extra2d {
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// ============================================================================
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// GPU 上下文状态管理器
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// 用于跟踪 OpenGL/Vulkan 等 GPU 上下文的生命周期状态
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// 确保在 GPU 资源析构时能安全地检查上下文是否有效
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// ============================================================================
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class GPUContext {
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public:
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/// 获取单例实例
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static GPUContext& getInstance();
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/// 标记 GPU 上下文为有效（在初始化完成后调用）
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void markValid();
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/// 标记 GPU 上下文为无效（在销毁前调用）
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void markInvalid();
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/// 检查 GPU 上下文是否有效
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bool isValid() const;
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private:
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GPUContext() = default;
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~GPUContext() = default;
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GPUContext(const GPUContext&) = delete;
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GPUContext& operator=(const GPUContext&) = delete;
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std::atomic<bool> valid_{false};
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};
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} // namespace extra2d
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