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| author | Bastien Bouclet | 2017-08-04 10:25:22 +0200 |
|---|---|---|
| committer | Bastien Bouclet | 2017-08-05 08:36:32 +0200 |
| commit | 8e4697946e4bb1cbb42897f9b052ec040be5dd06 (patch) | |
| tree | 5dfb65afc3d4819f1c4de7807bdf9e91e8e86ad8 /engines/xeen/screen.cpp | |
| parent | d6de8e52c3e6b8d53608e08eb3dec31a4dd6b172 (diff) | |
| download | scummvm-rg350-8e4697946e4bb1cbb42897f9b052ec040be5dd06.tar.gz scummvm-rg350-8e4697946e4bb1cbb42897f9b052ec040be5dd06.tar.bz2 scummvm-rg350-8e4697946e4bb1cbb42897f9b052ec040be5dd06.zip | |
OPENGL: Always clear the whole backbuffer
Previously we were clearing the whole backbuffer for 3 frames after a
window size change, and then only clearing the game area. This assumes
the OpenGL driver uses at most 3 render buffer and uses them in
sequential order. This does not seem to be the case on Linux when using
an Intel integrated GPU.
Instead we now clear the whole backbuffer on each frame to make sure
there are no leftovers remaining on the screen. All semi-recent GPUs
should have hardware clear anyway so this should not impact negatively
performance.
Possibly fixes #10025.
Diffstat (limited to 'engines/xeen/screen.cpp')
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