IOCoreSurfaceRoot
From iPhone Development Wiki
IOCoreSurfaceRoot is a kernel-extension for managing pixel buffers. It is controlled by the user-land framework IOSurface. You should use the IOSurface framework instead of directly operating on this service.
Methods
| Selector | Action | Input | Output |
|---|---|---|---|
| 0 | lookupFromMachPort | - | 1,208 bytes of stuff |
| 1 | release | IOSurfaceID surfaceID | - |
| 2 | lock | struct IOSurfaceLockArg | 1,208 bytes of stuff |
| 3 | unlock | struct IOSurfaceLockArg | struct IOSurfaceLockSeedArg |
| 4 | lockPlane | struct IOSurfaceLockArg | 1,208 bytes of stuff |
| 5 | unlockPlane | struct IOSurfaceLockArg | struct IOSurfaceLockSeedArg |
| 6 | lookup | void* ??? | 1,208 bytes of stuff |
| 7 | setYCbCrMatrix | IOSurfaceID surfaceID, uint32_t YCbCrMatrix | - |
| 8 | wrapClientImage | 28 bytes of stuff | 1,208 bytes of stuff |
| 9 | wrapClientMemory | void* param0, void* param1 | 1,208 bytes of stuff |
| 10 | getYCbCrMatrix | IOSurfaceID surfaceID | uint32_t YCbCrMatrix |
| 11 | setValue | ? | - |
| 12 | getValueMethod | ? | ? |
| 13 | kIOSurfaceMethodRemoveValue | ? | - |
| 14 | bindAccel | IOSurfaceID surfaceID, void* unknown0, void* unknown4 | - |
| 15 | bindAccelOnPlane | IOSurfaceID surfaceID, void* param1, void* param2, size_t planeIndex | - |
| 16 | readLimits | - | 20 bytes of stuff. |
| 17 | kIOSurfaceMethodIncrementUseCount | IOSurfaceID surfaceID | - |
| 18 | kIOSurfaceMethodDecrementUseCount | IOSurfaceID surfaceID | - |
| 19 | ? | void* ??? | void* ??? |
| 20 | setSurfaceNotify | 24 bytes of stuff | - |
| 21 | removeSurfaceNotify | 24 bytes of stuff | - |
where
struct IOSurfaceLockArg { IOSurfaceID surfaceID; uint32_t lockOptions; size_t planeIndex; }; struct IOSurfaceLockSeedArg { uint32_t seed; };
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