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[Fix, Docs] (MG_Backend/DirectGLES): drain the attachment-format probe, and document the depth/stencil readback emulation switch

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Swung0x48
2026-08-12 12:09:45 -04:00
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commit eaba4ac1dc
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README.md
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@@ -164,6 +164,7 @@ MobileGL supports runtime configuration via environment variables.
| `MOBILEGL_MAGMA_FRAMESINFLIGHT` | Set Magma frames in flight. | Integer `1`–`64` | `3` |
| `MOBILEGL_AVOID_SAMPLER_MIPMAP_MIN_FILTER` | Avoid sampler mipmap minification filters. | `0`, `1` | `0` |
| `MOBILEGL_COHERENT_AS_FLUSH` | Treat persistent `GL_MAP_FLUSH_EXPLICIT_BIT` maps as coherent (app-compat for engines like Flywheel that never flush them). | `0`, `1` | `0` |
| `MOBILEGL_ESPRYT_FORCE_DS_READBACK_EMULATION` | Always emulate depth/stencil `glReadPixels`/`glGetTexImage` by shader sampling on Espryt, instead of using the driver's own depth/stencil readback where it has one. | `0`, `1` | `0` |
| `VK_ICD_FILENAMES` | Select the Vulkan ICD used by the Vulkan loader. | Path to an ICD JSON file | Loader default |
## License