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Leb-Sun
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Request UBWC-compressed swapchain buffers on Adreno
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Leb-Sun
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Request UBWC-compressed swapchain buffers on Adreno
#3
Leb-Sun
wants to merge 17 commits into
main
Leb-Sun/Drivers:main
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ubwc-swapchain-usage
Leb-Sun/Drivers:ubwc-swapchain-usage
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Commits on Aug 4, 2026
Add -e (eco) variant tuned for A8xx
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Commits on Aug 5, 2026
Remove a8xx bandwidth autotune default; -e is now a measurement variant
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Add IMapper5 stable-C gralloc backend loaded via SP-HAL
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Request UBWC-compressed swapchain buffers on Adreno
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Log gralloc usage from the ANB entry points to find why UBWC is not applied
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Implement ANB gralloc usage v3/v4 and advertise spec 10
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Add ANB usage3/usage4 command definitions so prototypes are generated
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Set UBWC usage in vk_image_usage_to_ahb_usage, the path the loader actually reads
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Scope UBWC request to the allocation query only, not import validation
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Commits on Aug 6, 2026
Disable UBWC usage patch: the bit is a gralloc output marker, not an input request
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Re-enable UBWC request with full ANB path diagnostics
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Log every aimapper failure path and distinguish the layout rejections
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Collapse QTI two-plane UBWC description to one compressed plane; derive fourcc when mapper returns none
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Query StandardMetadataType::COMPRESSION for UBWC, layout signature as fallback
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Allow UBWC for mutable-format swapchains when all view formats share a layout
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Allow UBWC for mutable-format swapchains; the loader never forwards the format list
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Commits on Aug 7, 2026
Gate mutable-format UBWC on the device's all-formats-compatible property
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