drm hwcomposer: a brief update - memcpy.io · 2020. 5. 29. · surfaceflinger apps hwc2}??? what is...
TRANSCRIPT
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drm_hwcomposer:A Brief Update
Robert FossSoftware Engineer
mailto:[email protected]
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● What is drm_hwcomposer?● Where are we now?● Recent developments● What comes next?
Agenda
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What is drm_hwcomposer?
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What is drm_hwcomposer?Android Graphics Stack
Kernel
Vendor driver
HWC2
SurfaceFlinger
Apps
HWC2
Kernel
Vendor driver
HWC2
SurfaceFlinger
Apps
HWC2
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What is drm_hwcomposer?Android Graphics Stack
Kernel
Vendor driver
HWC2
SurfaceFlinger
Apps
HWC2
Proprietary}Kernel
Vendor driver
HWC2
SurfaceFlinger
Apps
HWC2
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What is drm_hwcomposer?OSS Graphics Stack
HWC2
Kernel
Vendor driver
HWC2
SurfaceFlinger
Apps
HWC2
Kernel
SurfaceFlinger
Apps
HWC2
???}
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What is drm_hwcomposer?OSS Graphics Stack
SurfaceFlinger
Apps
HWC2
drm_hwc
Kernel
Vendor driver
HWC2
SurfaceFlinger
Apps
HWC2
Kernel
DRM / KMS}
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Where are we now?
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Current status
● Pixel C– NVidia Tegra X1 Maxwell
Shipped products
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Current status
● Dragonboard 410c– Adreno 306
Development platforms
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Current status
● Dragonboard 410c– Adreno 306
● iMX6– Vivante GC3000
Development platforms
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Current status
● Dragonboard 410c– Adreno 306
● iMX6– Vivante GC3000
● HiKey 960– ARM Mali G71
Development platforms
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Current status
● Dragonboard 410c– Adreno 306
● iMX6– Vivante GC3000
● HiKey 960– ARM Mali G71
● Dragonboard 820c– Adreno 530
Development platforms
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Recent developments
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Recent developments
● Code moved to freedesktop.org
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Recent developments
● Code moved to freedesktop.org● Wiki moved to freedesktop.org
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Recent developments
● Code moved to freedesktop.org● Wiki moved to freedesktop.org ● Development hosted on dri-devel list
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Recent developments
● Code moved to freedesktop.org● Wiki moved to freedesktop.org ● Development hosted on dri-devel list● Patches accepted with [PATCH hwc] prefx
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What comes next?
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What comes next?Issues to be solved
● HWC2 series merged
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What comes next?
● HWC2 series merged● Multiple overlay testing needed
Issues to be solved
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What comes next?Feature Wish List
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What comes next?
● VirtualDisplay supportFeature Wish List
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What comes next?
● VirtualDisplay support● Making GL composition optional
Feature Wish List
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What comes next?
● VirtualDisplay support● Making GL composition optional● YUV plane support
Feature Wish List
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What comes next?
● VirtualDisplay support● Making GL composition optional● YUV plane support
– Output to YUV-only DRM plane
Feature Wish List
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What comes next?
● VirtualDisplay support● Making GL composition optional● YUV plane support
Feature Wish List
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What comes next?
● VirtualDisplay support● Making GL composition optional● YUV plane support● DMA writeback support
Feature Wish List
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What comes next?
● VirtualDisplay support● Making GL composition optional● YUV plane support● DMA writeback support
– For Miracast/Chromecast/MHL & Screenshots
Feature Wish List
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What comes next?
● VirtualDisplay support● Making GL composition optional● YUV plane support● DMA writeback support
Feature Wish List
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What comes next?
● VirtualDisplay support● Making GL composition optional● YUV plane support● DMA writeback support● Modular bufer importer
Feature Wish List
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Thanks
– Gustavo Padovan– Kalyan Kondapally– Kaveh Nasri– Marissa Wall– Rob Clark– Rob Herring– Sean Paul– Tomeu Vizoso– Zach Reizner
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Questions?
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