mark satterthwaite d5733e9712 Add separate Metal shader platforms for tvOS - we were relying upon a bug in Apple's metal toolchain to allow sharing shader bytecode between iOS and tvOS but that isn't possible anymore. ...

- Added IsMetalMobilePlatform, IsMetalMRTPlatform & IsMetalSM5Platform to simplify testing shader platforms.
- Twiddled the shader compiler to emit the correct min-OS flags to compile for iOS and tvOS.

#rb none
#jira UE-64891

#ROBOMERGE-SOURCE: CL 4488318 in //UE4/Release-4.21/...
#ROBOMERGE-BOT: RELEASE (Release-4.21 -> Release-Staging-4.21)

[CL 4488329 by mark satterthwaite in Staging-4.21 branch]

2018-10-18 16:47:22 -04:00

..

IOSPlatformEditor

deprecate IOS 9

2018-10-04 11:45:28 -04:00

IOSTargetPlatform

Add separate Metal shader platforms for tvOS - we were relying upon a bug in Apple's metal toolchain to allow sharing shader bytecode between iOS and tvOS but that isn't possible anymore.

2018-10-18 16:47:22 -04:00

TVOSTargetPlatform

Copying //UE4/Fortnite-Staging to //UE4/Dev-Main (Source: //Fortnite/Main/Engine @ 3876564)

2018-02-22 11:25:06 -05:00