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  MC boots with GL 4.6 on Apple Silicon Pre-release

  admin_ekaii released this 2026-05-08 09:11:16 +00:00 | 4 commits to main since this release

  ============================================================
  PROOF: Minecraft 26.1.2 running on macOS 26.4.1
  via Zink + KosmicKrisp (GL 4.6 translation layer)
  Apple M5 Pro — Metal 4
  Date: 2026-05-08 11:10 CEST

  --- OpenGL Context (from MC log) ---
  [Render thread/INFO]: OpenGL Vendor: Mesa
  [Render thread/INFO]: OpenGL Renderer: zink Vulkan 1.3(Apple M5 Pro (MESA_KOSMICKRISP))
  [Render thread/INFO]: OpenGL Version: 4.6 (Core Profile) Mesa 26.2.0-devel (git-45017fc389)

  --- Rendering Extensions ---
  Using optional rendering extensions: GL_ARB_buffer_storage, GL_KHR_debug,
  GL_ARB_vertex_attrib_binding, GL_ARB_direct_state_access, GL_EXT_texture_filter_anisotropic

  --- Voxy 0.2.15-beta Status ---
  [VoxyClient]: GPU does not support subgroup operations, expect some performance degradation
  [VoxyConfig]: Config doesnt exist, creating new

  --- Sound Engine ---
  Sound engine started

  --- 15 Texture Atlases Created ---
  blocks 2048x2048x4, particles, decorated_pot, armor_trims, paintings,
  shield_patterns, chest, celestials, banner_patterns, beds, items, gui,
  map_decorations, signs, shulker_boxes

  --- Vulkan Backend ---
  KosmicKrisp driver, Vulkan 1.3.350, Mesa 26.2.0-devel
  VK_KHR_draw_indirect_count: revision 1
  multiDrawIndirect: true
  drawIndirectCount: true

  --- MC ran stable on title screen for 8+ minutes (first run) ---
  --- No SIGSEGV, no hs_err dumps, no .ips crash reports ---

  --- What was done ---

  1. Built Mesa 26.2.0-devel from upstream + lucamignatti macOS patches
  2. Fixed KosmicKrisp Metal 4 crashes:
     • Texture descriptor dimension guards (0→1 clamp)
     • sampleCount validation for non-multisample types
     • @try/@catch wrapper for heapTextureSizeAndAlign
     • NULL pipeline return handling
     • Conditional sparsePageSize (Apple7 family check)
  3. Patched Voxy for macOS (native libs, CpuLayout, LZ4, GL strings, maxDrawIndirectCount)
  4. Built patched GLFW (EGL context instead of NSOpenGLContext)

  --- Repos ---
  Project: https://forgejo.ekaii.fr/exo/voxy-zink-mac
  Mesa fork: https://forgejo.ekaii.fr/exo/mesa-kosmickrisp-mac (branch macos-26.4-fix)

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  • mc-proof-debug-f3.png
    0 downloads · 2026-05-08 15:49:56 +00:00 · 684 KiB
  • mc-proof-normal.png
    0 downloads · 2026-05-08 15:49:56 +00:00 · 1.1 MiB
  • terrain-debug-f3-y200.png
    0 downloads · 2026-05-08 15:53:49 +00:00 · 577 KiB
  • terrain-normal-y200.png
    0 downloads · 2026-05-08 15:53:49 +00:00 · 1.6 MiB