refactor(docs): RHI模块文档重构 - 修复18处链接错误并新增RHIFramebuffer/RHIRenderPass文档
- 修复opengl/下13个文件对overview.md的错误引用,改为opengl.md - 修复opengl/shader/下2处get-native-handle.md的错误路径引用 - 修复rhi.md中rhifactory路径错误 - 修复opengl.md中对d3d12.md的错误引用 - 修复opengl/README.md中的overview.md引用 - 新增RHIFramebuffer完整文档(7个文件) - 新增RHIRenderPass完整文档(7个文件) - 更新rhi.md总览页,添加RHIFramebuffer和RHIRenderPass分类
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docs/api/rhi/framebuffer/get-native-handle.md
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docs/api/rhi/framebuffer/get-native-handle.md
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# RHIFramebuffer::GetNativeHandle
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获取帧缓冲的原生句柄。
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```cpp
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virtual void* GetNativeHandle() = 0;
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```
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返回底层图形 API 的帧缓冲句柄。不同后端返回不同类型:
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- OpenGL: 返回 `GLuint`(帧缓冲对象 ID)
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- D3D12: 返回 `ID3D12Resource*` 指针
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**返回:** `void*` - 原生句柄
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**线程安全:** ❌
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**示例:**
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```cpp
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void* handle = framebuffer->GetNativeHandle();
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#ifdef XCENGINE_OPENGL
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GLuint fbo = static_cast<GLuint>(reinterpret_cast<intptr_t>(handle));
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glBindFramebuffer(GL_FRAMEBUFFER, fbo);
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#endif
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```
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