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# Date Author Comment
a07e0204 06/29/2018 11:55 AM Leszek Koltunski

Start merging master and OIT.

97020807 06/29/2018 11:25 AM Leszek Koltunski

Start merging master and OIT.

61ce8e90 06/29/2018 11:07 AM Leszek Koltunski

Minor.

9ea800c6 06/28/2018 11:30 PM Leszek Koltunski

Minor.

8ac0ed3e 06/28/2018 11:21 PM Leszek Koltunski

Correct the way we delay FBOs in DistortedScreen.

b3d1b670 06/27/2018 11:52 PM Leszek Koltunski

Minor.

1f19fba8 06/27/2018 11:51 PM Leszek Koltunski

Port the Mali flash fix to the OIT branch.

6672d895 06/27/2018 01:31 PM Leszek Koltunski

I am pretty sure this time the flashing issues on Mali T880 r12 driver are finally fixed.

The fix: a queue of FBOs render to, just like before, but this time in DistortedScreen we blit not the current FBO, but the one computed several frames ago.

This of course introduces a delay and uses more memory, but it appears to work and does not seem to have any effects on speed.

586b5fa1 06/27/2018 01:30 PM Leszek Koltunski

Port another commit from master.

I spoke too soon, the ARM Mali flashing is of course not fixed yet. The previous commit fixed Triblur, but the bug is still reproducible elsewhere (only in the 'postprocessed' apps though).

This commit introduces a circular queue in case of the postprocessing FBOs - with little success though.

8ebbc730 06/27/2018 01:16 PM Leszek Koltunski

Port a commit from the master branch.

Finally properly fix the flashing on ARM Mali T880 GPU.

The flashing is caused by a 'full pipeline flush' (see DarkPhoton, https://www.opengl.org/discussion_boards/showthread.php/200754-Flashes-on-ARM-Mali?p=1291679&viewfull=1#post1291679 ). In order to combat it, first introduce the possibility that a single DistortedOutputSurface is backed up by more than one FBO. Then make DistortedScreen be derived from DistortedFramebuffer (which itself is derived from DistortedOutputSurface) and make it contain 3 FBOs, render to them in a circular queue fashion, and blit from a given FBO to the system FBO. The 'more than 1 intermediate FBO' queue prevents the pipeline flush....

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