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Fóram Tacaíochta

Firefox doesn't use discrete GPU since 74.0 ?

Postáilte

Firefox used to cause a switch to the discrete GPU in my MacBookPro whenever I opened certain sites (such as those containing webapps that require WebGL - bestforpuzzles.com ) I monitor the switch using the app gfxCardStatus.

This switch is not happening anymore, apparently since Firefox was updated to 74.0 on March 13 2020. It's not a major problem, but the WebGL games stutter, for example. I cannot make Firefox to switch to discrete GPU no matter what site I open.

Safari causes switching to discrete GPU. Chrome switches to discrete GPU, but it's always off or on. I have Firefox 65 in a different volume containing Sierra, in the same Mac. That Firefox causes GPU switching as usual.

Was there a change in 74.0 that would prevent GPU switching? Or is it due to something else?

Firefox used to cause a switch to the discrete GPU in my MacBookPro whenever I opened certain sites (such as those containing webapps that require WebGL - bestforpuzzles.com ) I monitor the switch using the app gfxCardStatus. This switch is not happening anymore, apparently since Firefox was updated to 74.0 on March 13 2020. It's not a major problem, but the WebGL games stutter, for example. I cannot make Firefox to switch to discrete GPU no matter what site I open. Safari causes switching to discrete GPU. Chrome switches to discrete GPU, but it's always off or on. I have Firefox 65 in a different volume containing Sierra, in the same Mac. That Firefox causes GPU switching as usual. Was there a change in 74.0 that would prevent GPU switching? Or is it due to something else?

Athraithe ag JohnTake ar

Réiteach roghnaithe

sounds like this was a bug shipped with 74

https://bugzilla.mozilla.org/show_bug.cgi?id=1579984

a user suggests this potential fix:

go to about:config and adjust webgl.default-low-power to false and see if that fixes it for now.

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Feidhmchlár

  • Firefox 74.0
  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:74.0) Gecko/20100101 Firefox/74.0
  • URL Tacaíochta: https://support.mozilla.org/1/firefox/74.0/Darwin/en-US/

Eisínteachtaí

  • Amazon.co.uk 1.1 (amazon@search.mozilla.org)
  • Bing 1.1 (bing@search.mozilla.org)
  • DuckDuckGo 1.0 (ddg@search.mozilla.org)
  • eBay 1.0 (ebay@search.mozilla.org)
  • Google 1.0 (google@search.mozilla.org)
  • IP Address and Domain Information 4.0.1.1 (jid0-jJRRRBMgoShUhb07IvnxTBAl29w@jetpack)
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  • Wikipedia (en) 1.0 (wikipedia@search.mozilla.org)
  • Awesome Screenshot - Capture, Annotate & More 3.0.24 (jid0-GXjLLfbCoAx0LcltEdFrEkQdQPI@jetpack) (Neamhghníomhach)
  • Easy Screenshot 3.67 (easyscreenshot@mozillaonline.com) (Neamhghníomhach)
  • Take Webpage Screenshots Entirely - FireShot 0.98.97 ({0b457cAA-602d-484a-8fe7-c1d894a011ba}) (Neamhghníomhach)
  • Video DownloadHelper 7.3.7 ({b9db16a4-6edc-47ec-a1f4-b86292ed211d}) (Neamhghníomhach)

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  • webgl1DriverExtensions: GL_ARB_blend_func_extended GL_ARB_draw_buffers_blend GL_ARB_ES2_compatibility GL_ARB_explicit_attrib_location GL_ARB_instanced_arrays GL_ARB_internalformat_query GL_ARB_occlusion_query2 GL_ARB_sample_shading GL_ARB_sampler_objects GL_ARB_separate_shader_objects GL_ARB_shader_bit_encoding GL_ARB_shading_language_include GL_ARB_texture_cube_map_array GL_ARB_texture_query_lod GL_ARB_texture_rgb10_a2ui GL_ARB_texture_storage GL_ARB_texture_swizzle GL_ARB_timer_query GL_ARB_vertex_type_2_10_10_10_rev GL_ARB_viewport_array GL_EXT_debug_label GL_EXT_debug_marker GL_EXT_depth_bounds_test GL_EXT_framebuffer_multisample_blit_scaled GL_EXT_texture_compression_s3tc GL_EXT_texture_filter_anisotropic GL_EXT_texture_mirror_clamp GL_EXT_texture_sRGB_decode GL_APPLE_client_storage GL_APPLE_container_object_shareable GL_APPLE_flush_render GL_APPLE_object_purgeable GL_APPLE_rgb_422 GL_APPLE_row_bytes GL_APPLE_texture_range GL_ATI_texture_mirror_once GL_NV_texture_barrier
  • webgl1Extensions: ANGLE_instanced_arrays EXT_blend_minmax EXT_color_buffer_half_float EXT_float_blend EXT_frag_depth EXT_shader_texture_lod EXT_sRGB EXT_texture_compression_rgtc EXT_texture_filter_anisotropic MOZ_debug OES_element_index_uint OES_fbo_render_mipmap OES_standard_derivatives OES_texture_float OES_texture_float_linear OES_texture_half_float OES_texture_half_float_linear OES_vertex_array_object WEBGL_color_buffer_float WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_depth_texture WEBGL_draw_buffers WEBGL_lose_context
  • webgl1Renderer: NVIDIA Corporation -- NVIDIA GeForce GT 330M OpenGL Engine
  • webgl1Version: 3.3 NVIDIA-10.0.52 310.90.10.05b46
  • webgl1WSIInfo: CGL
  • webgl2DriverExtensions: -
  • webgl2Extensions: -
  • webgl2Renderer: WebGL creation failed: * WebGL 2 requires support for the following features: transform_feedback2
  • webgl2Version: -
  • webgl2WSIInfo: -
  • windowLayerManagerRemote: True
  • windowLayerManagerType: OpenGL
  • windowUsingAdvancedLayers: False

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Eve
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63 réiteach 391 freagra

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sounds like this was a bug shipped with 74

https://bugzilla.mozilla.org/show_bug.cgi?id=1579984

a user suggests this potential fix:

go to about:config and adjust webgl.default-low-power to false and see if that fixes it for now.

sounds like this was a bug shipped with 74 https://bugzilla.mozilla.org/show_bug.cgi?id=1579984 a user suggests this potential fix: go to about:config and adjust webgl.default-low-power to false and see if that fixes it for now.
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Thank you Eve. Setting webgl.default-low-power to false brings back the old familiar behavior.

Thank you Eve. Setting webgl.default-low-power to false brings back the old familiar behavior.
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jdashg 0 réiteach 2 freagra

Chrome has the same behavior as Firefox 74 as of Chrome 80 (currently Release): https://www.khronos.org/webgl/public-mailing-list/public_webgl/1912/msg00001.php If you're seeing different behavior in Firefox 74 and Chrome 80, can you please file a bug? :)

Chrome has the same behavior as Firefox 74 as of Chrome 80 (currently Release): https://www.khronos.org/webgl/public-mailing-list/public_webgl/1912/msg00001.php If you're seeing different behavior in Firefox 74 and Chrome 80, can you please file a bug? :)
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jdashg,

I currently have Chrome 80.0.3987.149. In Chrome, when I turn on "Use hardware acceleration when available", graphics switches immediately to the discrete GPU. Switch back to integrated GPU never happens.

With Firefox 74, switch to discrete GPU never happens. "Use hardware acceleration when available" has always been enabled. In Firefox 74, when I set webgl.default-low-power to False, Firefox switches between the discrete and the integrated GPU dynamically. This is the behavior I had seen before 74.

So, Firefox doesn't behave the same as Chrome - at least in my MacbookPro setup.

Is Chrome 80 designed to switch dynamically? My Chrome 80 doesn't. Isn't it desirable to have dynamic switching?

I wouldn't know where to begin to file a bug. And I don't really know what the bug is...

A wrench in the mix? : I have the MacBookPro that is prone to kernel panics when graphics switch occurs. I applied the fix from GitHub that apparently limits use of highest power graphics state. Still, switches to the discrete GPU does occur.

jdashg, I currently have Chrome 80.0.3987.149. In Chrome, when I turn on "Use hardware acceleration when available", graphics switches immediately to the discrete GPU. Switch back to integrated GPU never happens. With Firefox 74, switch to discrete GPU never happens. "Use hardware acceleration when available" has always been enabled. In Firefox 74, when I set webgl.default-low-power to False, Firefox switches between the discrete and the integrated GPU dynamically. This is the behavior I had seen before 74. So, Firefox doesn't behave the same as Chrome - at least in my MacbookPro setup. Is Chrome 80 designed to switch dynamically? My Chrome 80 doesn't. Isn't it desirable to have dynamic switching? I wouldn't know where to begin to file a bug. And I don't really know what the bug is... A wrench in the mix? : I have the MacBookPro that is prone to kernel panics when graphics switch occurs. I applied the fix from GitHub that apparently limits use of highest power graphics state. Still, switches to the discrete GPU does occur.
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jdashg 0 réiteach 2 freagra

Interesting! I too have a MacBook Pro, and switching works as I described! Hmm... On http://jdashg.github.io/misc/webgl/low-power.html I get the following on Firefox, Firefox Nightly, Chrome, and Chrome Canary:

{"powerPreference":"low-power"}

 => Intel Iris Pro OpenGL Engine

{}

 => Intel Iris Pro OpenGL Engine

{"powerPreference":"high-performance"}

 => NVIDIA GeForce GT 750M OpenGL Engine

What are you getting from that page? If email is easier, I'm jgilbert@mozilla.com.

Interesting! I too have a MacBook Pro, and switching works as I described! Hmm... On http://jdashg.github.io/misc/webgl/low-power.html I get the following on Firefox, Firefox Nightly, Chrome, and Chrome Canary: {"powerPreference":"low-power"} => Intel Iris Pro OpenGL Engine {} => Intel Iris Pro OpenGL Engine {"powerPreference":"high-performance"} => NVIDIA GeForce GT 750M OpenGL Engine What are you getting from that page? If email is easier, I'm jgilbert@mozilla.com.
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