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Expose Albedo Render Buffer to Compositor - #1530
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No actionable comments were generated in the recent review. 🎉 ℹ️ Recent review info
WalkthroughCompositor effects can request albedo output. The Forward Clustered renderer adds albedo textures, color-pass attachments, and shader variants for opaque rendering. It resolves multisample albedo after the opaque pass. ChangesCompositor albedo output
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant CompositorEffect
participant RenderingServer
participant ForwardClusteredRenderer
participant RenderBuffers
CompositorEffect->>RenderingServer: Set the needs-albedo flag
RenderingServer->>ForwardClusteredRenderer: Provide the compositor albedo request
ForwardClusteredRenderer->>RenderBuffers: Allocate and attach the albedo texture
ForwardClusteredRenderer->>RenderBuffers: Resolve the albedo texture after the opaque pass when MSAA is enabled
Suggested reviewers: Merge Risk: ⚪ Minimal · up to
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| Check name | Status | Explanation | Resolution |
|---|---|---|---|
| Docstring Coverage |  |
Docstring coverage is 6.67% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 30 functions across 7 files. | Write docstrings for the functions missing them to satisfy the coverage threshold. |
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Check name Status Explanation Description Check Check skipped - CodeRabbit’s high-level summary is enabled. Title check The title clearly and concisely describes the main change: exposing the albedo render buffer to the compositor. Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request.
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Actionable comments posted: 1
- 🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @scene/resources/compositor.cpp:
- Around line 192-197: Update CompositorEffect::set_needs_albedo to check that
RenderingServer::get_singleton() is non-null before calling
compositor_effect_set_flag, matching the null-guard pattern used by sibling
setters.
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ℹ️ Review info
⚙️ Run configuration
- Configuration used: Repository: Redot-Engine/redot-engine/.coderabbit.yaml
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- Plan: Advanced
- Run ID:
8a7f9408-b596-4122-8ba7-7284d8814bc5
⛔ Files ignored due to path filters: 1
servers/rendering/renderer_rd/shaders/forward_clustered/scene_forward_clustered.glslis excluded by!**/*.glsl
📒 Files selected for processing: 7
scene/resources/compositor.cppscene/resources/compositor.hservers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cppservers/rendering/renderer_rd/forward_clustered/render_forward_clustered.hservers/rendering/renderer_rd/forward_clustered/scene_shader_forward_clustered.cppservers/rendering/renderer_rd/forward_clustered/scene_shader_forward_clustered.hservers/rendering/rendering_server.h
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@DaveTheEggman can you please run the |
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PR in action:
BufferAccess.mp4
(Courtesy of @TheAenema)
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