An open source kernel extension providing patches to select Intel GPUs.
- Fixes PAVP freezes with Intel Capri Graphics (HD4000), Azul Graphics (HD4400, HD4600) and Intel Skylake/Kaby Lake Graphics
- Fixes boot logo with all known Intel Graphics starting with HD4000 (via frame buffer reset or via restoring video memory content)
- Fixes display initialization with Intel Skylake and Kaby Lake Graphics
- Performs necessary IGPU, digital audio, and IMEI property correction and renaming
- Ensures a correct IGPU model in I/O Registry (when it is not specified manually)
- Supports IGPU device-id faking (correct
device-id
should be set via device properties or ACPI) - Allows booting without
-disablegfxfirmware
boot argument with Kaby Lake Graphics in 10.13 - Allows booting in VESA mode with Intel HD graphics (via
-igfxvesa
boot argument) - Performs basic framebuffer id injection when none is specified (connector-less frames will be used with discrete GPUs)
- Allows GuC microcode loading with Intel Skylake/Kaby Lake Graphics in 10.13 (via
igfxfw=1
boot argument) - Renames Gen6Accelerator with IntelAccelerator for Sandy Bridge CPUs for GVA support
- Allows booting with OpenGL-only acceleration (via
igfxgl=0
boot argument ordisable-metal
property)
Add -igfxdbg
to enable debug printing (available in DEBUG binaries).
Add -igfxoff
to disable IntelGraphicsFixup.
Add -igfxbeta
to enable IntelGraphicsFixup on unsupported os versions (10.13 and below are enabled by default).
Add -igfxvesa
to boot Intel graphics without hardware acceleration (VESA mode).
Add igfxfw=1
to enable GuC microcode loading in 10.13 or newer.
Add igfxrst=1
to prefer drawing Apple logo at 2nd boot stage instead of framebuffer copying.
Add igfxframe=frame
to inject a dedicated framebuffer identifier into IGPU (only for TESTING purposes).
Add igfxsnb=0
to disable IntelAccelerator name fix for Sandy Bridge CPUs
Add igfxgl=0
to disable Metal support
- Apple for macOS
- vit9696 for Lilu.kext, PAVP reversing and AppleIntelFramebuffer reversing & extended boot logo fix
- YungRaj for fix for Sky Lake
- lvs1974 for writing the software and maintaining it
- Vandroiy for testing & frame buffer fix for Kaby Lake and Azul
- PMheart for writing the fix for HD4000
- syscl for writing the fix for HD3000