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OpenGL: Window stretch mode canvas_items or viewport leaves uncleared section if using keep, keep_width or keep_height stretch aspect #71799

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Tracked by #66458
git2013vb opened this issue Jan 21, 2023 · 4 comments · Fixed by #73300
Closed
Tracked by #66458

OpenGL: Window stretch mode canvas_items or viewport leaves uncleared section if using keep, keep_width or keep_height stretch aspect #71799

git2013vb opened this issue Jan 21, 2023 · 4 comments · Fixed by #73300
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bug confirmed topic:rendering
Milestone
4.0

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@git2013vb
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git2013vb commented Jan 21, 2023 •
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Godot version

v4.0.beta13.official [caacade]

System information

Debian 11

Issue description

I noticed this rendering issue.
It not happen in "Forward" or "Mobile" mode.
It happen when I set project settings->display->windows->stretch->mode as canvas_item or viewport.

I do not use NVIDIA card
DeepinScreenshot_select-area_20230121111325

this is a screen shoot
DeepinScreenshot_select-area_20230121143842

EDIT: I tried it in another computer
v4.0.beta12.official [3c9bf4b]
Debian 10


Godot Engine v4.0.beta12.official.3c9bf4bc2 - https://godotengine.org
OpenGL Renderer: Mesa DRI Intel(R) Ivybridge Mobile

DeepinScreenshot_select-area_20230121132211

Steps to reproduce

run the MRP and resize the window

Minimal reproduction project

test_resolution.zip
@git2013vb git2013vb changed the title [4.0] Rendering problem in "Compatibility" mode [4.0 Beta 13] Rendering problem in "Compatibility" mode Jan 28, 2023
@clayjohn clayjohn changed the title [4.0 Beta 13] Rendering problem in "Compatibility" mode [gl_compatibility] window stretch mode canvas_item or viewport leaves uncleared section Jan 31, 2023
@clayjohn clayjohn added this to the 4.x milestone Jan 31, 2023
This was referenced Feb 4, 2023
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@acedogblast
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Can confirm that this bug still exists with Godot 4.0 RC1. The bug only effects the OpenGL renderer. Using Linux/Wayland with AMD GPU.

@acedogblast acedogblast mentioned this issue Feb 10, 2023
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@Calinou Calinou mentioned this issue Feb 10, 2023
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@Calinou Calinou changed the title [gl_compatibility] window stretch mode canvas_item or viewport leaves uncleared section OpenGL: Window stretch mode canvas_items or viewport leaves uncleared section if using keep, keep_width or keep_height stretch aspect Feb 10, 2023
This was referenced Feb 14, 2023
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Closed
@clayjohn clayjohn modified the milestones: 4.x, 4.0 Feb 14, 2023
@clayjohn
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Looks like we have reports for this issue from all desktop OSes now, so it definitely isn't an X11 windowing issue. I will take a look

@clayjohn clayjohn mentioned this issue Feb 14, 2023
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@git2013vb
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git2013vb commented Feb 15, 2023 •
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@clayjohn
It seems very similar to this issue #48091

Not sure if its related, but its worth take a look because I did some bisects at that time.

Maybe at that time this issue came out just in that particular case... We will see.

@clayjohn
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@git2013vb I don't think this is related to #48091. This issue was caused by 4.0-specific changes that are not in 3.x

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bug confirmed topic:rendering
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Clear Window before blitting Viewport in gl_compatibility renderer clayjohn/godot
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@Calinou @git2013vb @clayjohn @acedogblast