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

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• Hash : b2859af6
  Author :
  Date : 2017-12-07T16:08:09
  

  Enable building the Metal renderer by default, and weak link the Metal framework so the SDL library is safe to use on older Macs
  Also generate iOS versions of the Metal shaders
  

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

• #!/bin/bash
  
  set -x
  set -e
  cd `dirname "$0"`
  
  generate_shaders()
  {
      platform=$1
      /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/usr/bin/metal -std=$platform-metal1.1 -Wall -O3 -o ./sdl.air ./SDL_shaders_metal.metal || exit $?
      /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/usr/bin/metal-ar rc sdl.metalar sdl.air || exit $?
      /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/usr/bin/metallib -o sdl.metallib sdl.metalar || exit $?
      xxd -i sdl.metallib | perl -w -p -e 's/\Aunsigned /const unsigned /;' >./SDL_shaders_metal_$platform.h
      rm -f sdl.air sdl.metalar sdl.metallib
  }
  
  generate_shaders osx
  generate_shaders ios
  

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