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[Feat] (Magma): MOBILEGL_MAGMA_EXTRA_SWAPCHAIN_IMAGES knob

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swung0x48
2026-10-10 04:14:42 -04:00
parent fa56e1c671
commit 71e442de02
7 changed files with 21 additions and 6 deletions
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userguide/configuration.md
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@@ -74,6 +74,7 @@ environment too. The backend itself is the exception: the client asks for it (se
| `MOBILEGL_MAGMA_R11G11B10F_FALLBACK` | flag | off | Use a fallback format for `GL_R11F_G11F_B10F` |
| `MOBILEGL_MAGMA_MAX_DRAWS_PER_COMMAND_BUFFER` | 0-16777216 | 16384 | Submit a command buffer mid-frame after this many draws/dispatches (0 = never). Bounds driver memory in huge loading frames. |
| `MOBILEGL_MAGMA_DESCRIPTOR_TRIM_FRAMES` | 0-1048576 | 120 | Free grown descriptor pools after this many quiet frames (0 = never) |
| `MOBILEGL_MAGMA_EXTRA_SWAPCHAIN_IMAGES` | 0-16 | 0 | Ask for this many swapchain images beyond the surface's minimum (capped at its maximum). The window buffer the display has just released is then reused later, when its release has usually signaled, so fewer frames wait for it. Each image costs a full-size colour buffer plus a depth/stencil buffer of the same size. |
| `VK_ICD_FILENAMES` | path to an ICD JSON | loader default | Standard Vulkan loader variable: picks the Vulkan driver |
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