kc3-lang/SDL/src/render/metal/build-metal-shaders.sh

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• Hash : 7fa5e95b
  Author :
  Date : 2020-12-09T07:23:47
  

  Fixed bug 5213 - Add support to metal in iOS/tvOS simulator
  
  Vincent Hamm
  
  Xcode11 and ios13 added support for metal simulator.
  Here is a quick and dirty patch to enable it. Pretty early and only tested on a few samples for now. Required mostly to enable metal support on correct version of ios, generate simulator compatible shaders and enforce buffer alignments on simulator (same as osx).
  

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• src/render/metal/build-metal-shaders.sh

• #!/bin/bash
  
  set -x
  set -e
  cd `dirname "$0"`
  
  generate_shaders()
  {
      fileplatform=$1
      compileplatform=$2
      sdkplatform=$3
      minversion=$4
      xcrun -sdk $sdkplatform metal -c -std=$compileplatform-metal1.1 -m$sdkplatform-version-min=$minversion -Wall -O3 -o ./sdl.air ./SDL_shaders_metal.metal || exit $?
      xcrun -sdk $sdkplatform metal-ar rc sdl.metalar sdl.air || exit $?
      xcrun -sdk $sdkplatform metallib -o sdl.metallib sdl.metalar || exit $?
      xxd -i sdl.metallib | perl -w -p -e 's/\Aunsigned /const unsigned /;' >./SDL_shaders_metal_$fileplatform.h
      rm -f sdl.air sdl.metalar sdl.metallib
  }
  
  generate_shaders osx osx macosx 10.11
  generate_shaders ios ios iphoneos 8.0
  generate_shaders iphonesimulator ios iphonesimulator 8.0
  generate_shaders tvos ios appletvos 9.0
  generate_shaders tvsimulator ios appletvsimulator 9.0
  

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