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Draft Feature: OpenGL video driver #7744

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michicc commented Sep 16, 2019

This PR provides a video driver that uses OpenGL to transfer the video buffer to the screen, including palette animations.

Right now, the driver is Windows only and tested on hardware I have around (which is mainly recent nVidia). Results on other hardware may vary. Results on others operating systems need implementing first.

This is just a driver backend, NOT a re-implementation of the whole blitter stack, i.e. OpenGL is not used to draw single sprites to the screen. I did add a simple 40bpp-anim blitter, which is basically a 32bpp blitter with "hardware" palette remap support. It could probably be optimised using SSE, just like the regular 32bpp blitters.

Enable driver debug level 3 if you want to verify that you are in fact using the new OpenGL driver.


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michicc commented Sep 16, 2019

And as usual when having done heavy rebasing earlier, the display order of the commits on GitHub is wrong.

@michicc michicc force-pushed the michicc:opengl branch from 3d4e271 to 4b93d31 Sep 17, 2019
michicc added 24 commits Sep 17, 2019
@michicc michicc force-pushed the michicc:opengl branch from 4b93d31 to a27d651 Sep 17, 2019
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