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d58aba6c83
Plumb VkImageViewMinLodCreateInfoEXT::minLod into the texture descriptor and clamp lambda in the JITted sampling path. The view's minLod lives on the texture side of lp_descriptor (so it is reachable in both combined-image-sampler and separate sampler / sampled image setups). A new lp_static_texture_state::apply_view_min_lod bit is set when the view has a non-zero clamp; this gates the load+max in the shader so unaffected views and non-bindless gallivm consumers pay zero cost. lp_jit_bindless_texture_from_pipe converts to view-relative space (min_lod_clamp - first_level, clamped to >= 0) so the value composes directly with the view-relative lambda lp_build_lod_selector computes. The clamp is applied in both the normal lod path and the min_max_lod_equal fast path, before lod_positive is recomputed, so magnification, lodq and trilinear all behave correctly. For integer texel fetches the Vulkan spec defines an OpImageFetch whose LOD is below the view's minLodInteger as reading zero, so lp_build_fetch_texel applies the same floor(view_min_lod) clamp. Drops test_view_min_lod from the vkd3d fails list. Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/42188> |
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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://docs.mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <https://docs.mesa3d.org/meson.html>`_): .. code-block:: sh $ meson setup build $ ninja -C build/ $ sudo ninja -C build/ 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://docs.mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://docs.mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.