ssdfasd 5eb731bc2d RHI: Add explicit RenderPass abstraction (BeginRenderPass/EndRenderPass) ...

New abstractions:
- RHIFramebuffer: Framebuffer interface with Initialize/Bind/GetHandle
- RHIRenderPass: RenderPass interface with AttachmentDesc for load/store actions
- D3D12Framebuffer/D3D12RenderPass: D3D12 implementation
- OpenGLFramebuffer/OpenGLRenderPass: OpenGL implementation (adapted from existing)

RHICommandList changes:
- Added BeginRenderPass(RHIRenderPass*, RHIFramebuffer*, Rect, clearValues...)
- Added EndRenderPass()

Implementation notes:
- D3D12: Uses OMSetRenderTargets + ClearRenderTargetView (fallback from native RenderPass API)
- OpenGL: Uses glBindFramebuffer + glClearBufferfv for LoadOp handling
- Old SetRenderTargets/ClearRenderTarget retained for backward compatibility

All 845 tests pass.

2026-03-24 23:59:44 +08:00

987 B

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