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I cannot make Facebook's "Gardenscapes" game work on my fresh installation with Firefox. When I start it, it asks me to enable Hardware Acceleration. When the flash popup shows up, "Enable Hardware Acceleration" is already ticked, yet I cannot get past that message. I tried another game and it runs fine but I cannot say i it relies on hardware acceleration or not.

What steps should I take to make this game work? How to check if hardware acceleration works and if not, how to fix it?

===== Stuff tried/checked =====

Ways of installing flash tried:

  • Install flash plugin manually
  • Install flashplugin-installer package
  • Install adobe-flashplugin and browser-plugin-freshplayer-pepperflash

None of these 3 methods did the trick, I'm currently using the 3rd one.

OpenGl

glxinfo gives me "OpenGL version string: 3.0 Mesa 18.0.5"

Hardware

  • CPU: AMD A6-3400M APU with Radeon(tm) HD Graphics
  • GPU:
dom@dom-PC:~$ lspci | grep VGA  
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] BeaverCreek [Radeon HD 6520G] (prog-if 00 [VGA controller])  
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Seymour [Radeon HD 6400M/7400M Series] (rev ff) (prog-if ff)

Trying lspci -v, GPU seems to indicate some fault:

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Seymour [Radeon HD 6400M/7400M Series] (rev ff) (prog-if ff)  
    !!! Unknown header type 7f  
    Kernel driver in use: radeon  
   Kernel modules: radeon  

Firefox config

layers.acceleration.force-enabled => forced to true
layers.omtp.enabled => defaults to true
layout.display-list.retain => defaults to true
layout.display-list.retain => defaults to false, also tried forced to true

  • What browser are you using? – thangdc94 Dec 24 '18 at 4:19
  • Silly to forget that "detail"... I'm using Firefox – Dom Dom Dec 24 '18 at 7:59
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It seems you mixed up Adobe Flash hardware acceleration with acceleration with Firefox itself. Thing is that hardware acceleration does NOT work in Flash for Linux from around version 11 which was supposed to be last long term supported. After supported period ended Adobe decided to not drop Flash on linux, and even update it to "current" version but with limited capabilities. Features which was expensive to maintain like hardware Acceleration was disabled completely.

  • Indeed, that makes sense thank you. I guess this basically mean I'm doomed? – Dom Dom Mar 9 at 18:29

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