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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
2f462105fa
The CPU copy is horribly slow, so let's hook-up DXGI swapchains. Note that we're still limited in term of features. For instance, we can't support more than 2 images per swapchain because of the DXGI present ordering constraint. We also have to do an extra copy, because DXGI only allows rendering to a resource on the queue that the swapchain was created against, but swapchains in Vulkan don't have a queue. The swapchain is bound to the window using DirectComposition aka DComp. The DComp infrastructure is set up in the surface, and is transitioned from one swapchain to the next when the new swapchain begins presenting. Unlike Wayland and X, there's no requirement that the compositor has to release a surface before you can start rendering against it. However, since we're now supporting the non-sw path, we do need to prevent apps from rendering to a resource *while* the blit is occurring. We do this by blocking for a fence while acquiring an image. Co-authored-by: Jesse Natalie <jenatali@microsoft.com> Acked-by: Daniel Stone <daniels@collabora.com> Acked-by: Jason Ekstrand <jason.ekstrand@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16200> |
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`Mesa <https://mesa3d.org>`_ - The 3D Graphics Library ====================================================== Source ------ This repository lives at https://gitlab.freedesktop.org/mesa/mesa. Other repositories are likely forks, and code found there is not supported. Build & install --------------- You can find more information in our documentation (`docs/install.rst <https://mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <https://mesa3d.org/meson.html>`_): .. code-block:: sh $ mkdir build $ cd build $ meson .. $ sudo ninja install Support ------- Many Mesa devs hang on IRC; if you're not sure which channel is appropriate, you should ask your question on `OFTC's #dri-devel <irc://irc.oftc.net/dri-devel>`_, someone will redirect you if necessary. Remember that not everyone is in the same timezone as you, so it might take a while before someone qualified sees your question. To figure out who you're talking to, or which nick to ping for your question, check out `Who's Who on IRC <https://dri.freedesktop.org/wiki/WhosWho/>`_. The next best option is to ask your question in an email to the mailing lists: `mesa-dev\@lists.freedesktop.org <https://lists.freedesktop.org/mailman/listinfo/mesa-dev>`_ Bug reports ----------- If you think something isn't working properly, please file a bug report (`docs/bugs.rst <https://mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.