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Fix rules for adf graphics to detect their presence when ninja
make files are used.
Change pixelflinger graphics mode so that colors display properly
on the Pixel 3
Change-Id: Ie7181be6c5e1e9a007b58fd798b2cef787ce4a01
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See https://github.com/omnirom/android_bootable_recovery/issues/219
This reverts commit 34ad728823b186f93016387f39388cdbde35b3ed.
Change-Id: Ia659b49af8206ba74b098aa721099a180762bab5
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if we try and flip pages too quickly, the kernel returns -EBUSY.
Use drmHandleEvent to wait for any previous flip to complete
before attempting a new one.
Change-Id: If3def889c0c89d7cfb8b7f13c4dae6d4b12760f9
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draw performance is significantly slower when drawing directly to the
mmaped buffer. Instead, draw to a userspace buffer and memcpy()
to the mmaped buffer on page flip.
Change-Id: Ibf2cd4be4f5437b445e68c572ff76ad72d506b15
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GGL_PIXEL_FORMAT_RGBA8888 seems to work in this instance.
Change-Id: I88fb3e53332f47952036ef6e617b3ea7d0b639a9
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Note: events.cpp is still old code renamed to cpp to make it
easier to call functions like gr_fb_width().
I had to modify AOSP fbdev code to provide a separate memory
surface for drawing to as drawing directly to the framebuffer
resulted in rendering taking about 5 times longer.
I also modified AOSP adf code to provide a separate memory surface
for drawing for the same performance reasons. The Nexus 9 supports
adf graphics.
Overlay graphics work on at least one device. Overlay provides a
separate memory buffer already so performance is good.
I do not have a drm device yet that I know of. I made some attempt
to update the drm code to determine the correct pixel format based
on the drm graphics format, but what is available in pixel flinger
and what is available in drm do not line up all that well. Reports
are that the Pixel C is using drm graphics, but performance is
slow, likely due to the use of a mmap instead of a memory buffyer.
Change-Id: Ibd45bccca6ac2cb826037aa9b2aa5065cf683eed
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