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[Chore] (Config): triage backend-scoped env toggles under MOBILEGL_ESPRYT_ and MOBILEGL_MAGMA_ prefixes

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swung0x48
2026-08-28 00:38:17 -04:00
parent 7fd4550968
commit 5d51372c44
32 changed files with 150 additions and 150 deletions
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README.md
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@@ -157,12 +157,12 @@ MobileGL supports runtime configuration via environment variables.
|-------------------------|--------------------------------------------------|--------------------------------------|----------------|
| `MOBILEGL_BACKEND_TYPE` | Select active backend implementation at startup. | `DirectGLES`, `DirectVulkan` | `DirectGLES` |
| `MOBILEGL_DISABLE_TIMERQUERY` | Disable GPU timer-query exposure and use. | `0`, `1` | `0` |
| `MOBILEGL_USE_ANGLE` | Load ANGLE EGL/GLES libraries. | `0`, `1` | `0` |
| `MOBILEGL_DISABLE_SUBGROUP` | Disable Vulkan shader subgroup support. | `0`, `1` | `0` |
| `MOBILEGL_ESPRYT_USE_ANGLE` | Load ANGLE EGL/GLES libraries. | `0`, `1` | `0` |
| `MOBILEGL_MAGMA_DISABLE_SUBGROUP` | Disable Vulkan shader subgroup support. | `0`, `1` | `0` |
| `MOBILEGL_ADVERTISE_FP64` | Advertise `GL_ARB_gpu_shader_fp64`. GLSL `double`/`dvec`/`dmat` compile and run either way - they are narrowed to 32 bits - so this only changes whether an application is told it has 64-bit precision, which it does not. | `0`, `1` | `0` |
| `MOBILEGL_MAGMA_R11G11B10F_FALLBACK` | Use Magma's R11G11B10F format fallback. | `0`, `1` | `0` |
| `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_ESPRYT_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 |