mirror of
https://github.com/thunderbrewhq/thunderbrew
synced 2025-10-28 14:56:06 +03:00
706c8903a1
* chore(build): add vendored SDL 3.0.0 library * chore(build): add vendored glew-cmake-2.2.0 library * feat(console): in the presence of -opengl launch flag, change GxApi to OpenGl * feat(gx): add uncompleted CGxDeviceGLSDL targeting Windows and Linux * chore(build): change SDL3 linkage from shared (bad) to to static (good)
411 lines
14 KiB
Perl
411 lines
14 KiB
Perl
#!/usr/bin/env perl
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##
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## Copyright (C) 2008-2019, Nigel Stewart <nigels[]users sourceforge net>
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## Copyright (C) 2002-2008, Marcelo E. Magallon <mmagallo[]debian org>
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## Copyright (C) 2002-2008, Milan Ikits <milan ikits[]ieee org>
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##
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## This program is distributed under the terms and conditions of the GNU
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## General Public License Version 2 as published by the Free Software
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## Foundation or, at your option, any later version.
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use strict;
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use warnings;
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sub compile_regex
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{
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my $regex = join('', @_);
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return qr/$regex/
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}
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my @sections = (
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"Name",
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"Name Strings?",
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"New Procedures and Functions",
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"New Tokens.*", # Optional (GL/WGL/GLX/...) suffix
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"Additions to Chapter.*",
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);
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my %typemap = (
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bitfield => "GLbitfield",
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boolean => "GLboolean",
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# fsck up in EXT_vertex_array
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Boolean => "GLboolean",
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byte => "GLbyte",
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clampd => "GLclampd",
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clampf => "GLclampf",
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double => "GLdouble",
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enum => "GLenum",
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# Intel fsck up
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Glenum => "GLenum",
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float => "GLfloat",
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half => "GLhalf",
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int => "GLint",
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short => "GLshort",
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sizei => "GLsizei",
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ubyte => "GLubyte",
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uint => "GLuint",
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ushort => "GLushort",
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DMbuffer => "void *",
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# Nvidia video output fsck up
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int64EXT => "GLint64EXT",
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uint64EXT=> "GLuint64EXT",
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# ARB VBO introduces these.
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sizeiptr => "GLsizeiptr",
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intptr => "GLintptr",
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sizeiptrARB => "GLsizeiptrARB",
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intptrARB => "GLintptrARB",
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# ARB shader objects introduces these, charARB is at least 8 bits,
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# handleARB is at least 32 bits
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charARB => "GLcharARB",
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handleARB => "GLhandleARB",
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char => "GLchar",
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# OpenGL 3.2 and GL_ARB_sync
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int64 => "GLint64",
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uint64 => "GLuint64",
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sync => "GLsync",
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# GL_EXT_EGL_image_storage
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eglImageOES => "GLeglImageOES",
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# AMD_debug_output
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DEBUGPROCAMD => "GLDEBUGPROCAMD",
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# ARB_debug_output
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DEBUGPROCARB => "GLDEBUGPROCARB",
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# KHR_debug
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DEBUGPROC => "GLDEBUGPROC",
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VULKANPROCNV => "GLVULKANPROCNV",
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vdpauSurfaceNV => "GLvdpauSurfaceNV",
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# GLX 1.3 defines new types which might not be available at compile time
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#GLXFBConfig => "void*",
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#GLXFBConfigID => "XID",
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#GLXContextID => "XID",
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#GLXWindow => "XID",
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#GLXPbuffer => "XID",
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# Weird stuff to some SGIX extension
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#GLXFBConfigSGIX => "void*",
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#GLXFBConfigIDSGIX => "XID",
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);
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my %voidtypemap = (
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void => "GLvoid",
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);
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my %taboo_tokens = (
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GL_ZERO => 1,
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);
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# list of function definitions to be ignored, unless they are being defined in
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# the given spec. This is an ugly hack around the fact that people writing
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# spec files seem to shut down all brain activity while they are at this task.
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#
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# This will be moved to its own file eventually.
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#
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# (mem, 2003-03-19)
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my %fnc_ignore_list = (
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"BindProgramARB" => "ARB_vertex_program",
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"ColorSubTableEXT" => "EXT_color_subtable",
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"DeleteProgramsARB" => "ARB_vertex_program",
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"GenProgramsARB" => "ARB_vertex_program",
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"GetProgramEnvParameterdvARB" => "ARB_vertex_program",
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"GetProgramEnvParameterfvARB" => "ARB_vertex_program",
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"GetProgramLocalParameterdvARB" => "ARB_vertex_program",
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"GetProgramLocalParameterfvARB" => "ARB_vertex_program",
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"GetProgramStringARB" => "ARB_vertex_program",
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"GetProgramivARB" => "ARB_vertex_program",
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"IsProgramARB" => "ARB_vertex_program",
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"ProgramEnvParameter4dARB" => "ARB_vertex_program",
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"ProgramEnvParameter4dvARB" => "ARB_vertex_program",
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"ProgramEnvParameter4fARB" => "ARB_vertex_program",
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"ProgramEnvParameter4fvARB" => "ARB_vertex_program",
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"ProgramLocalParameter4dARB" => "ARB_vertex_program",
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"ProgramLocalParameter4dvARB" => "ARB_vertex_program",
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"ProgramLocalParameter4fARB" => "ARB_vertex_program",
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"ProgramLocalParameter4fvARB" => "ARB_vertex_program",
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"ProgramStringARB" => "ARB_vertex_program",
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"EGLImageTargetTexture2DOES" => "OES_EGL_image",
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"FramebufferTextureOES" => "GL_OES_geometry_shader",
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"PatchParameteriOES" => "GL_OES_tessellation_shader",
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"PointSizePointerOES" => "GL_OES_point_size_array",
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"LockArraysEXT" => "EXT_compiled_vertex_array",
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"UnlockArraysEXT" => "EXT_compiled_vertex_array",
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"CoverageMaskNV" => "NV_coverage_sample",
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"CoverageOperationNV" => "NV_coverage_sample",
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"glXCreateContextAttribsARB" => "ARB_create_context_profile",
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"wglCreateContextAttribsARB" => "WGL_ARB_create_context_profile",
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);
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my %regex = (
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eofnc => qr/(?:\);?$|^$)/, # )$ | );$ | ^$
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extname => qr/^[A-Z][A-Za-z0-9_]+$/,
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none => qr/^\(none\)$/,
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function => qr/^(.+) ([a-z][a-z0-9_]*) \((.*)\)$/i,
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prefix => qr/^(?:[aw]?gl|glX|egl)/, # gl | agl | wgl | glX
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tprefix => qr/^(?:[AW]?GL|GLX|EGL)_/, # GL_ | AGL_ | WGL_ | GLX_
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section => compile_regex('^(', join('|', @sections), ')$'), # sections in spec
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token => qr/^([A-Z0-9][A-Z0-9_x]*):?\s+((?:0x)?[0-9A-Fa-f]+(u(ll)?)?)(|\s[^\?]*)$/, # define tokens
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types => compile_regex('\b(', join('|', keys %typemap), ')\b'), # var types
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voidtype => compile_regex('\b(', keys %voidtypemap, ')\b '), # void type
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);
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# reshapes the the function declaration from multiline to single line form
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sub normalize_prototype
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{
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local $_ = join(" ", @_);
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s/\s+/ /g; # multiple whitespace -> single space
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s/\<.*\>//g; # remove <comments> from direct state access extension
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s/\<.*$//g; # remove incomplete <comments> from direct state access extension
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s#/\*.*\*/##g; # remove /* ... */ comments
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s/\s*\(\s*/ \(/; # exactly one space before ( and none after
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s/\s*\)\s*/\)/; # no space before or after )
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s/\s*\*([a-zA-Z])/\* $1/; # "* identifier"
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s/\*wgl/\* wgl/; # "* wgl"
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s/\*glX/\* glX/; # "* glX"
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s/\.\.\./void/; # ... -> void
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s/;$//; # remove ; at the end of the line
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return $_;
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}
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# Ugly hack to work around the fact that functions are declared in more
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# than one spec file.
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sub ignore_function($$)
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{
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return exists($fnc_ignore_list{$_[0]}) && $fnc_ignore_list{$_[0]} ne $_[1]
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}
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sub parse_spec($)
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{
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my $filename = shift;
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my $extname = "";
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my $vendortag = "";
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my @extnames = ();
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my %functions = ();
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my %tokens = ();
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my $section = "";
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my @fnc = ();
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my %proc = (
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"Name" => sub {
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if (/^([a-z0-9]+)_([a-z0-9_]+)/i)
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{
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$extname = "$1_$2";
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$vendortag = $1;
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}
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},
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"Name Strings" => sub {
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# Add extension name to extension list
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# Initially use $extname if (none) specified
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if (/$regex{none}/)
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{
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$_ = $extname;
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}
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if (/$regex{extname}/)
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{
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# prefix with "GL_" if prefix not present
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s/^/GL_/ unless /$regex{tprefix}/o;
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# Add extension name to extension list
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push @extnames, $_;
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}
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},
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"New Procedures and Functions" => sub {
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# if line matches end of function
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if (/$regex{eofnc}/)
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{
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# add line to function declaration
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push @fnc, $_;
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# if normalized version of function looks like a function
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if (normalize_prototype(@fnc) =~ /$regex{function}/)
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{
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# get return type, name, and arguments from regex
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my ($return, $name, $parms) = ($1, $2, $3);
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if (!ignore_function($name, $extname))
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{
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# prefix with "gl" if prefix not present
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$name =~ s/^/gl/ unless $name =~ /$regex{prefix}/;
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# is this a pure GL function?
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if ($name =~ /^gl/ && $name !~ /^glX/)
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{
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# apply typemaps
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$return =~ s/$regex{types}/$typemap{$1}/og;
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$return =~ s/GLvoid/void/og;
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$return =~ s/void\*/void */og;
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$parms =~ s/$regex{types}/$typemap{$1}/og;
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$parms =~ s/$regex{voidtype}/$voidtypemap{$1}/og;
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$parms =~ s/GLvoid/void/og;
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$parms =~ s/ void\* / void */og;
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if ($parms eq "")
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{
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$parms = "void"; # NVX_progress_fence and others
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}
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}
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# add to functions hash
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$functions{$name} = {
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rtype => $return,
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parms => $parms,
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};
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}
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}
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# reset function declaration
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@fnc = ();
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} elsif ($_ ne "" and $_ ne "None") {
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# if not eof, add line to function declaration
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push @fnc, $_
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}
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},
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"New Tokens" => sub {
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if (/$regex{token}/)
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{
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my ($name, $value) = ($1, $2);
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# prefix with "GL_" if prefix not present
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$name =~ s/^/GL_/ unless $name =~ /$regex{tprefix}/;
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# Add (name, value) pair to tokens hash, unless it's taboo
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$tokens{$name} = $value unless exists $taboo_tokens{$name};
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}
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},
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);
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# Some people can't read, the template clearly says "Name String_s_"
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$proc{"Name String"} = $proc{"Name Strings"};
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# Open spec file
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open SPEC, "<$filename" or return;
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# For each line of SPEC
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while(<SPEC>)
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{
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# Delete trailing newline character
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chomp;
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# Remove trailing white spaces
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s/\s+$//;
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# If starts with a capital letter, it must be a new section
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if (/^[A-Z]/)
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{
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# Match section name with one of the predefined names
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$section = /$regex{section}/o ? $1 : "default";
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} else {
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# Line is internal to a section
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# Remove leading whitespace
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s/^\s+//;
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# Call appropriate section processing function if it exists
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&{$proc{$section}} if exists $proc{$section};
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}
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}
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close SPEC;
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return ($extname, \@extnames, \%tokens, \%functions);
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}
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#----------------------------------------------------------------------------------------
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my @speclist = ();
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my %extensions = ();
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my $ext_dir = shift;
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my $reg_http = "https://www.khronos.org/registry/OpenGL/extensions/";
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# Take command line arguments or read list from file
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if (@ARGV)
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{
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@speclist = @ARGV;
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} else {
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local $/; #???
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@speclist = split "\n", (<>);
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}
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foreach my $spec (sort @speclist)
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{
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my ($extname, $extnames, $tokens, $functions) = parse_spec($spec);
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foreach my $ext (@{$extnames})
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{
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my $info = "$ext_dir/" . $ext;
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open EXT, ">$info";
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print EXT $ext . "\n"; # Extension name
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my $specname = $spec;
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$specname =~ s/OpenGL-Registry\/extensions\///;
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print EXT $reg_http . $specname . "\n"; # Extension info URL
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print EXT $ext . "\n"; # Extension string
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print EXT "\n"; # Resuses nothing by default
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my $prefix = $ext;
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$prefix =~ s/^(.+?)(_.+)$/$1/;
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foreach my $token (sort {
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if (${$tokens}{$a} eq ${$tokens}{$b}) {
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$a cmp $b
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} else {
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if (${$tokens}{$a} =~ /_/) {
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if (${$tokens}{$b} =~ /_/) {
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$a cmp $b
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} else {
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-1
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}
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} else {
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if (${$tokens}{$b} =~ /_/) {
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1
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} else {
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if (${$tokens}{$a} =~ /u(ll)?$/) {
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if (${$tokens}{$b} =~ /u(ll)?$/) {
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$a cmp $b
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} else {
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-1
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}
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} else {
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if (${$tokens}{$b} =~ /u(ll)?$/) {
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1
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} else {
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if (hex ${$tokens}{$a} eq hex ${$tokens}{$b})
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{
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$a cmp $b
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} else {
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hex ${$tokens}{$a} <=> hex ${$tokens}{$b}
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}
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}
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}
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}
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}
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}
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} keys %{$tokens})
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{
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if ($token =~ /^$prefix\_.*/i)
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{
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print EXT "\t" . $token . " " . ${\%{$tokens}}{$token} . "\n";
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}
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}
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foreach my $function (sort keys %{$functions})
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{
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if ($function =~ /^$prefix.*/i)
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{
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print EXT "\t" . ${$functions}{$function}{rtype} . " " . $function . " (" . ${$functions}{$function}{parms} . ")" . "\n";
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}
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}
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close EXT;
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}
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}
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