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XCEngine/docs/api/rhi/device/create-swap-chain.md
2026-03-20 02:35:45 +08:00

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RHIDevice::CreateSwapChain

virtual RHISwapChain* CreateSwapChain(const SwapChainDesc& desc) = 0;

创建交换链,用于管理窗口渲染和帧缓冲区切换。

参数:

  • desc - 交换链描述符,包含尺寸、缓冲数量、格式等

返回: 新创建的交换链指针,失败返回 nullptrOpenGL 后端始终返回有效对象

复杂度: O(1)

示例:

SwapChainDesc swapChainDesc;
swapChainDesc.width = 1280;
swapChainDesc.height = 720;
swapChainDesc.bufferCount = 2;
swapChainDesc.format = (uint32_t)Format::R8G8B8A8_UNorm;
swapChainDesc.refreshRate = 60;
swapChainDesc.sampleCount = 1;
swapChainDesc.sampleQuality = 0;

RHISwapChain* swapChain = device->CreateSwapChain(swapChainDesc);

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