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OpenGL & Vulkan

onsolight
Adept III

Will RX 480 Support Fragment Shader Interlock? GL & VK

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Vulkan 1.1.110 Released  will RX 480 support the following extensions anytime soon?

VK_EXT_fragment_shader_interlock - Featured in Vulkan 1.1.110

GL_ARB_fragment_shader_interlock - Part of OpenGL 4.5

i'm a bit disappointed and curious as to why Nvidia and Intel has support for this but AMD doesnt.

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zinx
Adept II

Re: Will RX 480 Support Fragment Shader Interlock? GL & VK

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16 Replies
dipak
Staff
Staff

Re: Will RX 480 Support Vulkan 1.1.110?

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Our OpenGL & Vulkan forum seems to be better place to ask this query, so I'm moving it there.

Thanks.

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dorisyan
Staff
Staff

Re: Will RX 480 Support Vulkan 1.1.110?

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Hi onsolight‌, Thanks for your feedback, It looked like we didn't support this ext, we will take it into consideration. Thanks!

onsolight
Adept III

Re: Will RX 480 Support Vulkan 1.1.110?

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Is Polaris even capable if it? Im seeing allot say only Vega supports the feature.

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dorisyan
Staff
Staff

Re: Will RX 480 Support Vulkan 1.1.110?

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I haven't got the exact message until now

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onsolight
Adept III

Re: Will RX 480 Support Vulkan 1.1.110?

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Any news on this? looks like Nvidia already has support for it.

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gharland
Adept I

Re: Will RX 480 Support Fragment Shader Interlock? GL & VK

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onsolight, could you check with gl extension viewer if your 480 supports

GL_INTEL_fragment_shader_ordering

it reports the R VII does have support
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onsolight
Adept III

Re: Will RX 480 Support Fragment Shader Interlock? GL & VK

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nope nothing here

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gharland
Adept I

Re: Will RX 480 Support Fragment Shader Interlock? GL & VK

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if the hardware doesn't support it, maybe they can emulate it in software.  Hopefully it would only cause a slowdown in the event of concurrent writes to the same pixel, which may only be a small proportion of fs invocations.  Better to lose a few fps than not be able to run at all.  Fingers crossed.

dorisyan
Staff
Staff

Re: Will RX 480 Support Fragment Shader Interlock? GL & VK

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Hi all,

We are discussing about this extension, I will give you feed back soon.