Legacy Metal Graphics Support and macOS Ventura - Sonoma

[khronokernel]

With the forth coming release of OpenCore Legacy Patcher v0.5.0, systems with legacy Metal GPUs will finally be able to achieve graphics acceleration in macOS Ventura!

• Reminder: These patches are still in beta and in active development. Stay on Monterey if you're not comfortable with the trade offs listed

---

GPU Models

Supported GPU models include:

• Intel:
  • Ivy Bridge (HD4000)
  • Haswell (HD4400/4600/5xxx)
  • Broadwell (HD6xxx)
  • Skylake (HD5xx)
• Nvidia:
  • Kepler (GTX 6xx, GTX 7xx)
• AMD:
  • GCN 1-3 (HD 7xxx/8xxx/9xxx, R7/R9)
  • Polaris (RX 4xx/5xx) - (Hosts lacking AVX2.0)
  • Vega (RX 56/64/VII) - (Hosts lacking AVX2.0)

---

Sample Units

---

Stability issues

Issues	Severity	Affected Models	Potential Fix/Work-Around
Photos app memories tab crashing	Non-Functional	Intel Ivy and Haswell iGPUs
Safari failing to reproduce DRM content on Sonoma	Non-Functional	All non-native GPUs	Use a third-party browser
Paravirtualized Graphics is unavailable on Sonoma	Non-Functional	Intel Ivy-Haswell iGPUs and Nvidia Kepler GPUs	Downgrade to Ventura
Memoji's Freezing/Crashing	Non-Functional	Intel Ivy, Haswell iGPUs and Nvidia Kepler GPUs	Don't set Memoji as Profile Picture. Last functional on 13.0 Beta 1 (22A5266r)
Broken Live Text	Non-Functional	Intel Ivy, Haswell iGPUs and Nvidia Kepler GPUs (portions require Metal 2)	Use 3rd party OCR software
Black Screen on external displays if internal GPU is AMD Legacy GCN	Semi-Functional	AMD Polaris	Render on different display
Metal's Mesh Shader feature set not available	Non-Functional	All non-native GPUs
GeForceGLDriver Crashing	Non-Functional	Nvidia Kepler GPUs

Cosmetic issues

Issues	Severity	Affected Models	Potential Fix/Work-Around
Native Metal 3 eGPUs may report as Metal 2	Cosmetic	Haswell iGPUs	Has no effect on driver feature set
Interface Build UI may become corrupted	Semi-Functional	Nvidia Kepler with Intel iGPU
Green Artifacts on QuickTime Timeline for .mov	Cosmetic	Intel Ivy and Haswell iGPUs
Artifacts on Cropped Screen recording	Non-Functional	Nvidia Kepler	Record fullscreen, crop afterwards

• Notes:
  • AMD GCN 1-3 issues are also applicable if your GPU is AMD Polaris and CPU lacks AVX2.0. Additionally MacBookPro13,3 due to missing framebuffer
  • Due to Apple's merge of on-disk binaries into the dyld_shared_cache, we're reliant on the DCSE project to extract binaries.

---

Resolved issues

Issues	Severity	Affected Models	Potential Fix/Work-Around
Blackscreen on Continuity Camera	Semi-Functional	Intel Ivy - Skylake iGPUs, AMD patched GPUs and Nvidia Kepler GPUs	Resolved with cdb40d8
Missing Fonts in Books, Font Book and Calendar	Semi-Functional	Intel Ivy Bridge iGPUs	Resolved with 54c56e2
News and Photos Widget crashing Notification Centre	Non-Functional	Intel Ivy and Haswell iGPUs	Resolved with a24570d
Weather and Font Book apps crashing or freezing	Semi-Functional	Intel Ivy and Haswell iGPUs	Resolved with a24570d
Apple TV failing to reproduce new content on MacOS 13.3+	Semi-Functional	All non-native GPUs	Resolved with MacOS Sonoma
Full Screen Music.app mini Player Crashing	Non-Functional	Intel Ivy-Broadwell iGPUs and Nvidia Kepler GPUs (requires Metal 2)	Resolved with MacOS Sonoma
DRM content causing kernel panics on MacOS 13.3+	Semi-Functional	AMD GCN 1-3	Resolved with c052388
Hardware Encode/Decode (ex. slow initial Chrome loading)	Non-Functional	AMD GCN 1-3 paired with Skylake iGPUs	Resolved with 5df3cca
Preview, QuickLook, Photo Booth and Photos crashing on MacOS Sonoma	Non-Functional	Intel Ivy - Haswell iGPUs and Nvidia Kepler GPUs	Resolved with 20d04d3
Photo's Editor Crashing	Non-Functional	Intel iGPUs and Nvidia Kepler	Resolved with c064269
Photo's App won't open	Non-Functional	Intel Broadwell and Skylake iGPUs	Resolved with c064269
Black in Google Maps	Non-functional	Intel Ivy and Haswell iGPUs	Resolved in 13.0 Beta 9
OpenCL broken	Non-functional	AMD GCN with pre-AVX2.0 CPU	Resolved with 5aa7ab3
Photo's App won't open (isOpaque crash)	Non-Functional	AMD GCN 1-3	Resolved with 1a262c6
Screensaver Crashing	Non-Functional	AMD GCN 1-3	Resolved with 1a262c6
Camera shows black screen	Non-Functional	AMD GCN 1-3	Resolved with 1a262c6
MetalBench and MetalFX crash	Non-Functional	AMD GCN 1-3	Resolved with 1a262c6