dali/graphics/vulkan/scripts/glsl2vk-compile.sh

   1 #!/bin/bash
   2
   3 if [ ! -e 'dali-core' ] ; then
   4
   5     echo "Error: This script must be executed from the top-level directory where dali-core can be found!"
   6     exit 0
   7
   8 fi
   9
  10 d=dali-core/dali/graphics/vulkan/shaders
  11 outdir=dali-core/dali/graphics/vulkan/generated
  12
  13 cd $d
  14 all_shaders=$(ls -1 *.{vert,frag})
  15 cd $OLDPWD
  16
  17 for name in $all_shaders ; do
  18   echo "Compiling $name..."
  19   varname=$(echo "SHADER_$name" | tr [a-z] [A-Z] | sed -e 's/-/_/g;s/\./_/g;')
  20   glslangValidator -V1.0 $d/$name --vn $varname -o /tmp/spv.h
  21
  22   newname=$(echo ${name} | sed -e 's/\./-/;')".h"
  23   echo Writing $newname
  24
  25   cat /tmp/spv.h | sed -e 's/const uint32_t /std::vector<uint32_t> /g;s/\[\]//g;' | tail -n +3 > $outdir/$newname
  26   echo >> $outdir/$newname
  27 done
  28
  29 echo "Generating cpp file..."
  30 echo "#include <cstdint>" > $outdir/builtin-shader-gen.cpp
  31 echo "#include <vector>" >> $outdir/builtin-shader-gen.cpp
  32 echo "#include <string>" >> $outdir/builtin-shader-gen.cpp
  33 echo -e "#include <map>\n" >> $outdir/builtin-shader-gen.cpp
  34
  35 varnames=
  36 for name in $all_shaders ; do
  37     varname=$(echo "SHADER_$name" | tr [a-z] [A-Z] | sed -e 's/-/_/g;s/\./_/g;')
  38     newname=$(echo ${name} | sed -e 's/\./-/;')".h"
  39     varnames="${varnames} $varname"
  40     echo "#include \"$newname\"" >> $outdir/builtin-shader-gen.cpp
  41 done
  42
  43 echo "static std::map<std::string, std::vector<uint32_t>> gGraphicsBuiltinShader = {" >> $outdir/builtin-shader-gen.cpp
  44 for var in ${varnames} ; do
  45     echo "  { \"$var\", $var }," >> $outdir/builtin-shader-gen.cpp
  46 done
  47 echo -e "};\n" >> $outdir/builtin-shader-gen.cpp
  48
  49 # generate graphics shader getter function
  50 cat >> $outdir/builtin-shader-gen.cpp << EOF
  51 extern "C" {
  52
  53 #define IMPORT_API __attribute__ ((visibility ("default")))
  54
  55 IMPORT_API std::vector<uint32_t> GraphicsGetBuiltinShader( const std::string& tag );
  56
  57 std::vector<uint32_t> GraphicsGetBuiltinShader( const std::string& tag )
  58 {
  59     auto iter = gGraphicsBuiltinShader.find( tag );
  60     if( iter != gGraphicsBuiltinShader.end() )
  61     {
  62         return iter->second;
  63     }
  64     return {};
  65 }
  66
  67 }
  68 EOF
  69
  70 echo "Generating extern header file ( for external use )..."
  71 echo "#ifndef GRAPHICS_BUILTIN_SHADER_EXTERN_GEN_H" > $outdir/builtin-shader-extern-gen.h
  72 echo "#define GRAPHICS_BUILTIN_SHADER_EXTERN_GEN_H" >> $outdir/builtin-shader-extern-gen.h
  73 echo "#include <cstdint>" >> $outdir/builtin-shader-extern-gen.h
  74 echo "#include <vector>" >> $outdir/builtin-shader-extern-gen.h
  75 echo "#include <string>" >> $outdir/builtin-shader-extern-gen.h
  76 echo "" >> $outdir/builtin-shader-extern-gen.h
  77
  78 for name in $all_shaders ; do
  79     varname=$(echo "SHADER_$name" | tr [a-z] [A-Z] | sed -e 's/-/_/g;s/\./_/g;')
  80     newname=$(echo ${name} | sed -e 's/\./-/;')".h"
  81     echo "extern std::vector<uint32_t> $varname;" >> $outdir/builtin-shader-extern-gen.h
  82 done
  83 cat >> $outdir/builtin-shader-extern-gen.h << EOF
  84 extern "C" std::vector<uint32_t> GraphicsGetBuiltinShader( const std::string& tag );
  85 #define GraphicsGetBuiltinShaderId( x ) GraphicsGetBuiltinShader( #x )
  86 EOF
  87 echo "#endif // GRAPHICS_BUILTIN_SHADER_EXTERN_GEN_H" >> $outdir/builtin-shader-extern-gen.h