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Type: Posts; User: khronos

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  1. Replies
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    Yours truly has fixed their mistake... for the...

    Yours truly has fixed their mistake... for the most part. Posts are back online.
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    I would also like to have GPUs A and B able to,...

    I would also like to have GPUs A and B able to, at least, efficiently transfer bits between them selves. I get that device groups are for matching GPUs. But mis-matched GPUs that can DMA point to...
  3. It all depends on how you define "in tandem". ...

    It all depends on how you define "in tandem".


    You can always create Vulkan devices for any hardware that supports Vulkan itself. So at the very least, you can create devices, perform operations...
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    How to get Vulkan to use multiple gpu's

    So right now as it. Nvidia dose not support multi gpu or sli with there latest gen of graphics cards with older ones. I have a rtx 2080 and a gtx 1050ti.... The gtx 1050ti is now utterly useless, but...
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    No code hoisting for openCL?

    Hi all, I'm trying to find whether the code hoisting has been implemented in the compiler level for the openCL code. I run a simple example to test it and it seems like it does not exist in Nvidia...
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    Is CUDA MPS compatible with OpenCL?

    Dear all,
    I am new to OpenCL and I am trying to run either simultaneously 2 or more processes of openCL or simultaneously 2 or more openCL kernels from the same process.
    In CUDA I can achieve the...
  7. OK, so allow me to restate what you're doing. ...

    OK, so allow me to restate what you're doing.


    You are building a mipmapped texture atlas, and you want to know how to position the mipmaps for the different sub-images within the texture so that...
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    What I am trying to do is to pack my texture...

    What I am trying to do is to pack my texture images tightly inside the sparse image. The offset is the location within the sparse image where I copy my texture images to, right next to the previously...
  9. Where did the "offset" you're using come from? If...

    Where did the "offset" you're using come from? If you computed that offset based on the information Vulkan provides, the offset ought to already be block-aligned.
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    Sparse image miplevels copying help

    Hi all,

    I have a sparse image (BC3 format) with a full miplevel, which I filled only the base level (0) with my texture images (BC3 format), and rendered it with no complaints (sampling using...
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    Vulkan in snap package

    Hello.
    A question to the developers, why not spread Vulkan with a self-sufficient snap package?
    No problem installation from the console or app store.
    I tried to build such a package with version...
  12. Right, coalesce only applies to using a single...

    Right, coalesce only applies to using a single read to service multiple work items. If you're able to read the full read width in a single work item you aren't going to coalesce but you may be able...
  13. Thanks for your reply. As your said "if the read...

    Thanks for your reply. As your said "if the read size is 64 bytes, 64 work items reading bytes 0-63 would coalesce, as would 8 work items reading 8 bytes each", do you imply that if 1 work items read...
  14. SPIR-V is used in both OpenCL and Vulkan. OpenCL...

    SPIR-V is used in both OpenCL and Vulkan. OpenCL allows the use of Kernel execution models and forbids the use of the shader execution modes and GLCompute. Vulkan does the opposite.


    Basically,...
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    What is the Kernel execution model for then? How...

    What is the Kernel execution model for then? How is one supposed to use it?
  16. In Vulkan? You don't. Vulkan does not support the...

    In Vulkan? You don't. Vulkan does not support the Kernel execution model of SPIR-V, just like OpenCL doesn't support the 5 shader or GLCompute execution models.


    If you just want to do...
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    Correct usage of Kernel execution mode

    What is the correct and intended way to use the SPIR-V Kernel execution mode?

    My main use case is based around using Vulkan to create a pipeline with a SPIR-V compute kernel at its core (no other...
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    @Mick P. It is good to see you are working on...

    @Mick P. It is good to see you are working on that project again, hope you will finish all parts as soon as possible for production use.
  19. I got it. :) The Solution was changing...

    I got it. :)
    The Solution was changing SecondaryCommandBuffers flags to VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT | VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT.
    Now, the warnings are...
  20. sorry, because of the double post. I haven't...

    sorry, because of the double post. I haven't found an edit Button.
    I've read the spec and edited the the beginInfo.flags = VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT and the beginInfo flag of...
  21. Use of SecondaryCommandBuffer raises validation Layer debug info

    Hi,

    i am implementing a secondaryCommandBuffer, which shall be saved in the master (primaryCommandBuffer).
    I want to create for every different mesh like a house, a animal etc a...
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    @Recep, hey, just FYI I've been developing...

    @Recep, hey, just FYI I've been developing COLLADA-DOM again what seems like all through December and January. It's driving me nuts to get it off my back. The new round of code started back further,...
  23. Coalescing happens with many different size...

    Coalescing happens with many different size reads. A helpful mental model is to think of the reads from the first work item, and then if the reads from the second work item are adjacent, they will...
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    I sent you an email through the system. PM...

    I sent you an email through the system.
    PM button also appeared now on your profile page so I guess having 3 posts enabled this feature for you.
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    Is there a way to share a personal contact? The...

    Is there a way to share a personal contact? The system didn't let me write down my email and as I want to discuss something personally and of topic, I don't want to use this forum for it.


    Edit:...
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