Atlas - compile_shaders.sh
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[FILE BEGIN]
1#!/bin/bash
2
3set -x
4set -e
5cd `dirname "$0"`
6
7shadernames=(FullscreenVert BlitFrom2D BlitFrom2DArray BlitFrom3D BlitFromCube BlitFromCubeArray)
8
9generate_shaders()
10{
11        fileplatform=$1
12        compileplatform=$2
13        sdkplatform=$3
14        minversion=$4
15
16        for shadername in "${shadernames[@]}"; do
17            xcrun -sdk $sdkplatform metal -c -std=$compileplatform-metal2.0 -m$sdkplatform-version-min=$minversion -Wall -O3 -D COMPILE_$shadername -o ./$shadername.air ./Metal_Blit.metal || exit $?
18            xcrun -sdk $sdkplatform metallib -o $shadername.metallib $shadername.air || exit $?
19            xxd -i $shadername.metallib | perl -w -p -e 's/\Aunsigned /const unsigned /;' >./${shadername}_$fileplatform.h
20            rm -f $shadername.air $shadername.metallib
21        done
22}
23
24generate_shaders macos macos macosx 10.11
25generate_shaders ios ios iphoneos 11.0
26generate_shaders iphonesimulator ios iphonesimulator 11.0
27generate_shaders tvos ios appletvos 11.0
28generate_shaders tvsimulator ios appletvsimulator 11.0
29
30# Bundle together one mega-header
31catShaders()
32{
33    target=$1
34    for shadername in "${shadernames[@]}"; do
35        cat ${shadername}_$target.h >> Metal_Blit.h
36    done
37}
38
39rm -f Metal_Blit.h
40echo "#if defined(SDL_PLATFORM_IOS)" >> Metal_Blit.h
41    echo "#if TARGET_OS_SIMULATOR" >> Metal_Blit.h
42        catShaders iphonesimulator
43    echo "#else" >> Metal_Blit.h
44        catShaders ios
45    echo "#endif" >> Metal_Blit.h
46echo "#elif defined(SDL_PLATFORM_TVOS)" >> Metal_Blit.h
47    echo "#if TARGET_OS_SIMULATOR" >> Metal_Blit.h
48        catShaders tvsimulator
49    echo "#else" >> Metal_Blit.h
50        catShaders tvos
51    echo "#endif" >> Metal_Blit.h
52echo "#else" >> Metal_Blit.h
53    catShaders macos
54echo "#endif" >> Metal_Blit.h
55
56# Clean up
57cleanupShaders()
58{
59    target=$1
60    for shadername in "${shadernames[@]}"; do
61        rm -f ${shadername}_$target.h
62    done
63}
64cleanupShaders iphonesimulator
65cleanupShaders ios
66cleanupShaders tvsimulator
67cleanupShaders tvos
68cleanupShaders macos
[FILE END]
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