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Weird pixel colors with postprocessing and amdgpu on RX 580


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Hi, I just got a Radeon RX 580 gpu and was testing on 0ad.

When I enable postprocessing, I see a lot of pixels with weird colors all over the place, like if there was an issue with the cable.

Interestingly if I take a screenshot from the desktop it renders ok.

I took this one emitted via 0ad.

Another issue is some random stutters when moving through the map, the FPS seems really variable, might be an issue with my setup tho.

Apart from this, it looks great. I am able to render with almost all settings maxed out (except shader effects which is at 4.00) with 50-70 fps on 4k 4x4 Large continent.

screenshot0001.png

Edited by badosu
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(generated 2020-12-12 11:41:32 UTC)

OS             : Linux 5.9.11-3-MANJARO (#1 SMP PREEMPT Sat Nov 28 09:08:57 UTC 2020)
CPU            : x86_64, Intel Core i7-7700K @ 4.20GHz (1x4x2), 4.20 GHz
Memory         : 15946 MiB; 11519 MiB free
Graphics Card  : X.Org Radeon RX 580 Series (POLARIS10, DRM 3.39.0, 5.9.11-3-MANJARO, LLVM 11.0.0)
OpenGL Drivers : 4.6 (Compatibility Profile) Mesa 20.2.3; OpenGL 4.6 (Compatibility Profile) Mesa 20.2.3
Video Mode     : 3840x2160:24
Sound Card     : Focusrite Scarlett 2i2 2nd Gen Analog Stereo; Built-in Audio Analog Stereo; Built-in Audio Analog Stereo #2; Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590] Digital Stereo (HDMI 5);
Sound Drivers  : 1.1 ALSOFT 1.21.0

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GL_EXT_bgra
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GL_EXT_EGL_image_storage
GL_EXT_texture_sRGB_R8
GL_EXT_texture_shadow_lod
GL_MESA_framebuffer_flip_y
GL_EXT_EGL_sync

SMBIOS:

 

 

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