vaiorabbit

import sys
import re

def fnv32a( str ):
    hval = 0x811c9dc5
    fnv_32_prime = 0x01000193
    uint32_max = 2 ** 32
    for s in str:
        hval = hval ^ ord(s)
        hval = (hval * fnv_32_prime) % uint32_max

vaiorabbit

# $ cat words.txt | perl Hashcode.pl words.txt > result_perl.txt
use strict;

main() unless caller;

sub fnv32a {
    my $str = $_[0];
	my $FNV1_32_PRIME = 0x01000193;
	my $UINT32_MAX = 4294967296; # 2 ** 32

vaiorabbit

#
# usage : $ ruby bin2c.rb loremipsum.txt.bin
#   generates 'loremipsum_txt_bin.c' :
#
#   char loremipsum_txt_bin_array[/*15716*/] = {
#   0x5a,0x50,0x46,0x4c,0x01,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,
#   ...
#
if __FILE__ == $0
  begin

vaiorabbit

require 'ffi'

module RMath3D
  extend FFI::Library

  # FFI
  case FFI::Platform::OS
  when "darwin"
    # $ clang -dynamiclib RMtx3.c RMtx4.c RVec3.c RVec4.c RQuat.c -o libRMath3D.dylib
    ffi_lib "libRMath3D.dylib"

vaiorabbit

$ curl -L https://github.com/glfw/glfw/releases/download/3.3.2/glfw-3.3.2.zip > glfw-3.3.2.zip
$ unzip glfw-3.3.2.zip
$ cd glfw-3.3.2/
$ mkdir build
$ cd build
$ export MACOSX_DEPLOYMENT_TARGET=10.14
$ cmake -D CMAKE_BUILD_TYPE=Release -D GLFW_NATIVE_API=1 -D CMAKE_OSX_ARCHITECTURES="x86_64;arm64" -D BUILD_SHARED_LIBS=ON -D CMAKE_C_COMPILER=clang ../
$ make

    $ ls -l src/libglfw*

vaiorabbit

# Ref.: http://doc.ruby-lang.org/ja/2.0.0/library/fiddle=2fimport.html
require 'fiddle'
require 'fiddle/import'

module RMath3D
  extend Fiddle::Importer

  dlload Fiddle.dlopen( 'libRMath3D.dylib' )

  RVec4 = struct ['double x', 'double y', 'double z', 'double w']

vaiorabbit

# -*- coding: utf-8 -*-
require 'fiddle'

module GL
  GL_COLOR_BUFFER_BIT = 0x00004000
  GL_PROJECTION = 0x1701
  GL_MODELVIEW = 0x1700
  GL_TRIANGLES = 0x0004

  GL_FUNCTIONS_MAP = {}

vaiorabbit

# (Execution example)
# $ ruby generate_enum.rb > glenum.rb [RETURN]
# $ head glenum.rb [RETURN]
# module OpenGL
#   GL_DEPTH_BUFFER_BIT = 0x00000100
#   GL_STENCIL_BUFFER_BIT = 0x00000400
#   GL_COLOR_BUFFER_BIT = 0x00004000
#   GL_FALSE = 0
#   GL_TRUE = 1
#   GL_POINTS = 0x0000

vaiorabbit

# $ ruby extract_type.rb
# GLenum => unsigned int 
# GLboolean => unsigned char 
# GLbitfield => unsigned int 
# GLvoid => void 
# GLbyte => signed char 
# GLshort => short 
# GLint => int 
# GLclampx => int 
# GLubyte => unsigned char 

vaiorabbit

# [NOTICE] Automatically generated file
module OpenGL
  GL_FUNCTIONS_ARGS_MAP[:glCullFace] = [Fiddle::TYPE_INT]
  GL_FUNCTIONS_RETVAL_MAP[:glCullFace] = Fiddle::TYPE_VOID
  def glCullFace(_mode_)
    f = OpenGL::get_command(:glCullFace)
    f.call(_mode_)
  end

  GL_FUNCTIONS_ARGS_MAP[:glFrontFace] = [Fiddle::TYPE_INT]