docs: update RHI API docs
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@@ -4,15 +4,17 @@
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virtual void Unmap() = 0;
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```
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取消内存映射。
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取消缓冲区内存映射,使 GPU 可以继续访问该内存。在调用 `Map()` 后必须调用此方法。
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**线程安全:** ❌
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**复杂度:** O(1)
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**示例:**
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```cpp
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buffer->Map();
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memcpy(mappedData, sourceData, size);
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void* data = buffer->Map();
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memcpy(data, sourceData, size);
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buffer->Unmap();
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```
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