[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 kde@grau.net changed: What|Removed |Added CC||kde@grau.net --- Comment #30 from

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #29 from Vlad Zagorodniy --- Well, using render buffers was a bad choice. Apparently, glCopySubTexImaga2D is used many times throughout KWin.. I've been trying to change GLTexture and GLRenderTarget so it's possible to

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #28 from Vlad Zagorodniy --- (In reply to Christoph Feck from comment #27) > Nice work, Vlad. If you think it is ready for review, please post the patch > to https://phabricator.kde.org/differential/diff/create/ There

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #27 from Christoph Feck --- Nice work, Vlad. If you think it is ready for review, please post the patch to https://phabricator.kde.org/differential/diff/create/ -- You are receiving this mail because: You are watching all

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #26 from Vlad Zagorodniy --- https://github.com/zzag/kwin/commit/12cc19c69059f2db62ce5e077469ef31f7576099 -- You are receiving this mail because: You are watching all bug changes.

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #25 from Vlad Zagorodniy --- (In reply to Fredrik Höglund from comment #22) > I think finalPrePaintScreen() should create the render buffer and render > target on-demand, and also destroy them when

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 Vlad Zagorodniy changed: What|Removed |Added Status|UNCONFIRMED |CONFIRMED Ever

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #23 from Vlad Zagorodniy --- (In reply to Fredrik Höglund from comment #22) > Any transformation that does not just translate and/or scale the window. > Although scaling can also benefit from this, so I guess any

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #22 from Fredrik Höglund --- (In reply to Vlad Zagorodniy from comment #16) > Fredrik, what do you mean by "a complex transformation"? Any transformation that does not just translate and/or scale the window. Although

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 Vlad Zagorodniy changed: What|Removed |Added Severity|wishlist|normal -- You are

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #21 from Vlad Zagorodniy --- Created attachment 111747 --> https://bugs.kde.org/attachment.cgi?id=111747=edit A personal effect + multisampling -- You are receiving this mail because: You are watching all bug

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #20 from Vlad Zagorodniy --- Created attachment 111746 --> https://bugs.kde.org/attachment.cgi?id=111746=edit Cube + multisampling -- You are receiving this mail because: You are watching all bug changes.

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #19 from Vlad Zagorodniy --- Created attachment 111745 --> https://bugs.kde.org/attachment.cgi?id=111745=edit Cover switch + multisampling -- You are receiving this mail because: You are watching all bug changes.

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #18 from Vlad Zagorodniy --- Created attachment 111744 --> https://bugs.kde.org/attachment.cgi?id=111744=edit Flip switch + multisampling -- You are receiving this mail because: You are watching all bug changes.

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #17 from Vlad Zagorodniy --- So, I've managed to get antialiased edges of transformed windows. https://github.com/zzag/kwin/commits/opengl-multisampling (PoC) Short summary of changes: * effects set

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #16 from Vlad Zagorodniy --- It seems like GLRenderTarget should be refactored in order to use render buffers. I suggest to use multisampled render buffers because they come from OpenGL 3.0 while multisampled textures

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #15 from Vlad Zagorodniy --- (In reply to Fredrik Höglund from comment #14) > MSAA doesn't blur anything. It works by computing a pixel coverage value in > the range [0..1] for each rasterized fragment, and multiplying

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #14 from Fredrik Höglund --- MSAA doesn't blur anything. It works by computing a pixel coverage value in the range [0..1] for each rasterized fragment, and multiplying that value with the alpha value prior to blending. You

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #13 from Vlad Zagorodniy --- Turning on fullscreen multisampling makes sense with effects like Cube, Cover, etc. What about effects which transform individual windows? There could be a short time when all fonts look

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 Fredrik Höglund changed: What|Removed |Added CC||fred...@kde.org --- Comment

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #11 from Vlad Zagorodniy --- (In reply to Martin Flöser from comment #10) > The general design of the compositor is described in scene.cpp, > but I fear it's too high level to be of much help. Thank you for pointing

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #10 from Martin Flöser --- (In reply to Vlad Zagorodniy from comment #7) > Offtopic: Martin, did you give any talks or have articles about KWin > architecture? I wish I could help somehow but my current level of

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 Nate Graham changed: What|Removed |Added CC||n...@kde.org -- You are receiving

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #9 from Vlad Zagorodniy --- Created attachment 110803 --> https://bugs.kde.org/attachment.cgi?id=110803=edit There is still present aliasing This is not a silver bullet. There is still little aliasing. + I think it

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #8 from Vlad Zagorodniy --- Created attachment 110801 --> https://bugs.kde.org/attachment.cgi?id=110801=edit Comparison of different cases with/without MSAA Top row: without MSAA Bottom row: with MSAA Left column:

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #7 from Vlad Zagorodniy --- I think this issue should be revised. Windows Vista and Windows 7 had smooth(as far as I remember) edges in the Flip 3D effect a long time ago. -- Offtopic: Martin, did you give any

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #6 from Martin Flöser --- back in the days with flip switch one would need to enable multisampling for the front window at least. And that's the most prominent one. Imagine the browser window with all text blurred. But

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #5 from Vlad Zagorodniy --- (In reply to Martin Flöser from comment #4) > Back when I started working on KWin and introduced the first 3d effects I > also observed this problem and tried to fix it. It failed in a

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 Martin Flöser changed: What|Removed |Added Severity|normal |wishlist --- Comment #4

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #3 from Vlad Zagorodniy --- Created attachment 110792 --> https://bugs.kde.org/attachment.cgi?id=110792=edit the same with cover switch(also it has problems with window decorations) -- You are receiving this mail

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #2 from Vlad Zagorodniy --- Created attachment 110791 --> https://bugs.kde.org/attachment.cgi?id=110791=edit Top & bottom edges of windows in flip switch are jaggy too -- You are receiving this mail because: You are

[kwin] [Bug 390698] Edges of transformed windows are jaggy

https://bugs.kde.org/show_bug.cgi?id=390698 --- Comment #1 from Vlad Zagorodniy --- Created attachment 110790 --> https://bugs.kde.org/attachment.cgi?id=110790=edit Left edge of google chrome is very jaggy -- You are receiving this mail because: You are watching all bug