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eb1ce41b00
* GPU: Migrate buffers on GPU project, pre-emptively flush device local mappings Essentially retreading #4540, but it's on the GPU project now instead of the backend. This allows us to have a lot more control + knowledge of where the buffer backing has been changed and allows us to pre-emptively flush pages to host memory for quicker readback. It will allow us to do other stuff in the future, but we'll get there when we get there. Performance greatly improved in Hyrule Warriors: Age of Calamity. Performance notably improved in TOTK (average). Performance for BOTW restored to how it was before #4911, perhaps a bit better. - Rewrites a bunch of buffer migration stuff. Might want to tighten up how dispose stuff works. - Fixed an issue where the copy for texture pre-flush would happen _after_ the syncpoint. TODO: remove a page from pre-flush if it isn't flushed after a certain number of copies. * Add copy deactivation * Fix dependent virtual buffers * Remove logging * Fix format issues (maybe) * Vulkan: Remove backing swap * Add explicit memory access types for most buffers * Fix typo * Add device local force expiry, change buffer inheritance behaviour * General cleanup, OGL fix * BufferPreFlush comments * BufferBackingState comments * Add an extra precaution to BufferMigration This is very unlikely, but it's important to cover loose ends like this. * Address some feedback * Docs
30 lines
1.1 KiB
C#
30 lines
1.1 KiB
C#
namespace Ryujinx.Graphics.GAL
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{
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public enum SystemMemoryType
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{
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/// <summary>
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/// The backend manages the ownership of memory. This mode never supports host imported memory.
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/// </summary>
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BackendManaged,
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/// <summary>
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/// Device memory has similar performance to host memory, usually because it's shared between CPU/GPU.
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/// Use host memory whenever possible.
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/// </summary>
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UnifiedMemory,
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/// <summary>
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/// GPU storage to host memory goes though a slow interconnect, but it would still be preferable to use it if the data is flushed back often.
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/// Assumes constant buffer access to host memory is rather fast.
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/// </summary>
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DedicatedMemory,
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/// <summary>
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/// GPU storage to host memory goes though a slow interconnect, that is very slow when doing access from storage.
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/// When frequently accessed, copy buffers to host memory using DMA.
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/// Assumes constant buffer access to host memory is rather fast.
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/// </summary>
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DedicatedMemorySlowStorage
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}
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}
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