2026年4月15日，Mesa 26.1-rc1 发布，由此拉开了每周候选版本发布的序幕，直至Mesa 26.1稳定版于五月正式亮相。Eric Engestrom 再次出任本季度 Mesa 26.1 功能版本的发布经理。
Mesa 26.1 带来了许多新的 Vulkan 驱动程序扩展、各种性能优化以及其他改进，特别是在 Intel 和 AMD RadeonSI/RADV 硬件上的游戏性能，同时对 NVK 以及一些较小的驱动程序也进行了不错的改进。此外，还包括 Rusticl OpenCL 的改进、Zink 的持续优化、RADV Vulkan Video 的低延迟编解码、对 Intel Nova Lake P 的实验性支持，以及针对 Vulkan-on-Metal 的 KosmicKrisp 相关工作。
- GL_NV_timeline_semaphore on radeonsi
- VK_QCOM_image_processing on Turnip
- VK_EXT_present_timing on RADV, NVK, Turnip, ANV, Honeykrisp, panvk
- VK_KHR_sampler_ycbcr_conversion on pvr
- VK_EXT_image_drm_format_modifier on pvr
- VK_KHR_internally_synchronized_queues on RADV
- VK_EXT_blend_operation_advanced on lavapipe
- VK_KHR_get_surface_capabilities2 on panvk
- VK_KHR_get_display_properties2 on panvk
- VK_EXT_acquire_drm_display on panvk
- VK_KHR_present_id on panvk, v3dv
- VK_KHR_present_wait on panvk, v3dv
- VK_KHR_pipeline_executable_properties on pvr
- VK_EXT_zero_initialize_device_memory on panvk
- GL_EXT_shader_image_load_store on panfrost
- VK_KHR_swapchain_mutable_format on panvk
- VK_EXT_astc_decode_mode on panvk
- VK_KHR_copy_memory_indirect on nvk, RADV/GFX8+
- VK_EXT_color_write_enable on panvk
- VK_EXT_hdr_metadata on v3dv
- VK_EXT_image_view_min_lod on panvk
- VK_EXT_depth_clamp_control on panvk
- VK_VALVE_shader_mixed_float_dot_product on RADV (Vega20, Navi14, RDNA2+)
- VK_EXT_legacy_dithering on panvk
- GL_ARB_sample_shading on v3d
- VK_KHR_maintenance4 on pvr
- VK_ARM_scheduling_controls on panvk
- cl_khr_subgroup_ballot on asahi, iris, llvmpipe, radeonsi and zink
- cl_khr_subgroup_clustered_reduce on asahi, llvmpipe, radeonsi and zink
- cl_khr_subgroup_extended_types on asahi, iris, llvmpipe, radeonsi and zink
- cl_khr_subgroup_non_uniform_arithmetic on asahi, llvmpipe, radeonsi and zink
- cl_khr_subgroup_non_uniform_vote on asahi, iris, llvmpipe, radeonsi and zink
- cl_khr_subgroup_rotate on asahi, llvmpipe and zink
- VK_EXT_nested_command_buffer on panvk
- VK_VALVE_mutable_descriptor_type on panvk
- VK_EXT_shader_stencil_export on panvk
- VK_EXT_map_memory_placed on panvk
- VK_EXT_conditional_rendering on panvk
- VK_{KHR,EXT}_{surface,swapchain}_maintenance1 on panvk
- VK_EXT_shader_atomic_float on panvk
- VK_KHR_device_address_commands on RADV
- VK_EXT_non_seamless_cube_map on pvr
- fragmentStoresAndAtomics on panvk/v6-7
- VK_KHR_shader_untyped_pointers on panvk
- VK_EXT_primitive_restart_index on RADV
- VK_EXT_attachment_feedback_loop_layout on panvk
- VK_EXT_attachment_feedback_loop_dynamic_state on panvk
- VK_KHR_shader_integer_dot_product on pvr
- VK_EXT_descriptor_heap on RADV (with ‘export RADV_EXPERIMENTAL=heap’)
- fullDrawIndexUint32 on pvr
- multiDrawIndirect on pvr
- depthBiasClamp on pvr
- wideLines on pvr
- VK_EXT_rgba10x6_formats on panvk
Mesa 26.1-rc1 的发布公告可在 Mesa 邮件列表中查阅。
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