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#!/usr/bin/perl -w
use strict;
# This script is called thus :
#
# make_opengl path_to_spec_file opengl_version
#
# - path_to_spec_file is the path to the directory where the OpenGL
# spec files are located. These files are part of the OpenGL
# sample implementation CVS tree and are located in
# CVS_ROOT/projects/ogl-sample/main/doc/registry/specs.
# You can find them on the web at the following URL :
# http://oss.sgi.com/cgi-bin/cvsweb.cgi/projects/ogl-sample/main/doc/registry/specs/
# You will need gl.tm and gl.spec.
#
# - opengl_version is the OpenGL version emulated by the library
# (can be 1.0 to 1.5).
#
# This script generates the three following files :
#
# - opengl32.spec : the spec file giving all the exported functions
# of the OpenGL32.DLL library. These functions are the one an
# application can directly link to (and are all the functions
# defined in the OpenGL core for the version defined by
# 'opengl_version').
#
# - opengl_norm.c : this file contains the thunks for all OpenGL
# functions that are defined in 'opengl32.spec'. The corresponding
# functions NEED to be defined in Linux's libGL or the library
# won't be able to be linked in.
#
# - opengl_ext.c : in this file are stored thunks for ALL possible
# OpenGL extensions (at least, all the extensions that are defined
# in the OpenGL extension registry). Contrary to 'opengl_norm.c',
# you do not need to have these extensions in your libGL to have
# OpenGL work (as they are resolved at run-time using
# glXGetProcAddressARB).
#
# Copyright 2000 Lionel Ulmer
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
#
#
# Files to generate
#
my $spec_file = "opengl32.spec";
my $norm_file = "opengl_norm.c";
my $ext_file = "opengl_ext.c";
# Set to 0 for removing the ENTER / LEAVE GL calls
my $gen_thread_safe = 1;
# Prefix used for the local variables
my $ext_prefix = "func_";
# If set to 1, generate TRACEs for each OpenGL function
my $gen_traces = 1;
#
# List of categories to put in the 'opengl_norm.c' file
#
my %cat_1_0 = ( "display-list" => 1,
"drawing" => 1,
"drawing-control" => 1,
"feedback" => 1,
"framebuf" => 1,
"misc" => 1,
"modeling" => 1,
"pixel-op" => 1,
"pixel-rw" => 1,
"state-req" => 1,
"xform" => 1 );
my %cat_1_1 = ( %cat_1_0,
"1_1" => 1 );
my %cat_1_2 = ( %cat_1_1,
"VERSION_1_2" => 1 );
my %cat_1_3 = ( %cat_1_2,
"VERSION_1_3" => 1 );
my %cat_1_4 = ( %cat_1_3,
"VERSION_1_4" => 1 );
my %cat_1_5 = ( %cat_1_4,
"VERSION_1_5" => 1 );
my %norm_categories = ();
#
# This hash table gives the conversion between OpenGL types and what
# is used by the TRACE printfs
#
my %debug_conv =
("GLbitfield" => "%d",
"GLboolean" => "%d",
"GLbyte" => "%d",
"GLclampd" => "%f",
"GLclampf" => "%f",
"GLdouble" => "%f",
"GLenum" => "%d",
"GLfloat" => "%f",
"GLint" => "%d",
"GLshort" => "%d",
"GLsizei" => "%d",
"GLstring" => "%s",
"GLubyte" => "%d",
"GLuint" => "%d",
"GLushort" => "%d",
"GLhalfNV" => "%d",
"GLintptrARB" => "%d",
"GLsizeiptrARB" => "%d",
"GLintptr" => "%d",
"GLsizeiptr" => "%d",
"GLhandleARB" => "%d",
"GLcharARB" => "%c",
"GLvoid" => "(void)",
"_GLfuncptr" => "%p");
#
# This hash table gives the conversion between OpenGL types and what
# is used in the .spec file
#
my %arg_conv =
("GLbitfield" => [ "long", 4 ],
"GLboolean" => [ "long", 4 ],
"GLbyte" => [ "long", 4 ],
"GLclampd" => [ "double", 8 ],
"GLclampf" => [ "long", 4 ],
"GLdouble" => [ "double", 8 ],
"GLenum" => [ "long", 4 ],
"GLfloat" => [ "long", 4 ],
"GLint" => [ "long", 4 ],
"GLshort" => [ "long", 4 ],
"GLsizei" => [ "long", 4 ],
"GLstring" => [ "str", 4 ],
"GLubyte" => [ "long", 4 ],
"GLuint" => [ "long", 4 ],
"GLushort" => [ "long", 4 ],
"GLhalfNV" => [ "long", 4 ],
"GLintptrARB" => [ "long", 4 ],
"GLsizeiptrARB" => [ "long", 4 ],
"GLhandleARB" => [ "long", 4 ],
"GLcharARB" => [ "long", 4 ],
"GLintptr" => [ "long", 4 ],
"GLsizeiptr" => [ "long", 4 ],
"GLvoid" => [ "void", 4 ],
"_GLfuncptr" => [ "ptr", 4 ]);
#
# Used to convert some types
#
sub ConvertType($)
{
my ($type) = @_;
my %hash = ( "GLstring" => "const GLubyte *",
"GLintptrARB" => "ptrdiff_t",
"GLsizeiptrARB" => "ptrdiff_t",
"GLintptr" => "ptrdiff_t",
"GLsizeiptr" => "ptrdiff_t",
"GLhandleARB" => "unsigned int",
"GLcharARB" => "char",
"GLhalfNV" => "unsigned short" );
foreach my $org (reverse sort keys %hash) {
if ($type =~ /$org/) {
my ($before, $after) = ($type =~ /^(.*)$org(.*)$/);
return "$before$hash{$org}$after";
}
}
return $type;
}
#
# Used to convert some variable names
#
sub ConvertVarName($)
{
my ($type) = @_;
my %hash = ( "near" => "nearParam",
"far" => "farParam" );
foreach my $org (keys %hash) {
if ($type =~ /$org/) {
my ($before, $after) = ($type =~ /^(.*)$org(.*)$/);
return "$before$hash{$org}$after";
}
}
return $type;
}
#
# This functions generates the thunk for a given function.
#
sub GenerateThunk($$$$)
{
my ($func_ref, $comment, $prefix, $thread_safe) = @_;
my $ret = "";
my $call_arg = "";
my $trace_arg = "";
my $wine_func_ref_name = "";
# If for opengl_norm.c, generate a nice heading otherwise Patrik won't be happy :-)
# Patrik says: Well I would be even happier if a (OPENGL32.@) was added as well. Done. :-)
if ($comment eq 1) {
$ret = "$ret/***********************************************************************\n";
$ret = "$ret * $func_ref->[0] (OPENGL32.\@)\n";
$ret = "$ret */\n";
}
$ret = $ret . ConvertType($func_ref->[1]) . " WINAPI wine_$func_ref->[0]( ";
for (my $i = 0; $i <= $#{@{$func_ref->[2]}}; $i++) {
## Quick debug code :-)
## print $func_ref->[2]->[$i]->[1] . "\n";
my $type = $func_ref->[2]->[$i]->[0];
my $name = ConvertVarName($func_ref->[2]->[$i]->[1]);
$ret = $ret . ConvertType($type) . " $name";
$call_arg = "$call_arg$name";
if ($type =~ /\*/) {
$trace_arg = "$trace_arg\%p";
} else {
$trace_arg = "$trace_arg$debug_conv{$type}";
}
if ($i != $#{@{$func_ref->[2]}}) {
$ret = "$ret, ";
$call_arg = "$call_arg, ";
$trace_arg = "$trace_arg, ";
} else {
$ret = "$ret ";
$call_arg = "$call_arg ";
}
}
$ret .= 'void ' if ($#{@{$func_ref->[2]}} < 0);
$ret = "$ret) {\n";
if ($func_ref->[1] ne "void") {
$ret = "$ret " . ConvertType($func_ref->[1]) . " ret_value;\n";
}
if ($gen_traces) {
$ret = "$ret TRACE(\"($trace_arg)\\n\"";
if ($trace_arg ne "") {
$ret = "$ret, $call_arg";
}
$ret = "$ret);\n";
}
if ($thread_safe) {
$ret = "$ret ENTER_GL();\n";
}
$ret = "$ret ";
if ($func_ref->[1] ne "void") {
$ret = $ret . "ret_value = ";
}
$wine_func_ref_name = $func_ref->[0];
if ( $func_ref->[0] eq "glGetString" ) {
$wine_func_ref_name = "internal_glGetString";
}
if ( $func_ref->[0] eq "glGetIntegerv" ) {
$wine_func_ref_name = "internal_glGetIntegerv";
}
$ret = "$ret$prefix$wine_func_ref_name( $call_arg);\n";
if ($thread_safe) {
$ret = "$ret LEAVE_GL();\n";
}
if ($func_ref->[1] ne "void") {
$ret = "$ret return ret_value;\n"
}
$ret = "$ret}\n";
# Return this string....
return $ret;
}
#
# Extract and checks the number of arguments
#
if (@ARGV != 2) {
my $name0=$0;
$name0=~s%^.*/%%;
die "Usage: $name0 OpenGL_registry_location OpenGL_version\n";
}
my $registry_path = shift @ARGV;
my $version = shift @ARGV;
if ($version eq "1.0") {
%norm_categories = %cat_1_0;
} elsif ($version eq "1.1") {
%norm_categories = %cat_1_1;
} elsif ($version eq "1.2") {
%norm_categories = %cat_1_2;
} elsif ($version eq "1.3") {
%norm_categories = %cat_1_3;
} elsif ($version eq "1.4") {
%norm_categories = %cat_1_4;
} elsif ($version eq "1.5") {
%norm_categories = %cat_1_5;
} else {
die "Incorrect OpenGL version.\n";
}
#
# Open the registry files
#
open(TYPES, "$registry_path/gl.tm") || die "Could not open 'gl.tm'. Please check your path the the registry files.\n";
open(REGISTRY, "$registry_path/gl.spec") || die "Could not open 'gl.spec'. Please check your path the the registry files.\n";
#
# First, create a mapping between the pseudo types used in the spec file
# and OpenGL types using the 'gl.tm' file.
#
my %pseudo_to_opengl = ();
while (my $line = <TYPES>) {
if ($line !~ /\w*\#/) {
my ($pseudo, $opengl) = ($line =~ /(\w*),\*,\*,\s*(.*),\*,\*/);
$pseudo_to_opengl{$pseudo} = $opengl;
}
}
# This is to override the 'void' -> '*' bogus conversion
$pseudo_to_opengl{"void"} = "void";
# This is a bug in the spec file...
$pseudo_to_opengl{"FfdTargetSGIX"} = "GLint";
$pseudo_to_opengl{"FfdMaskSGIX"} = "GLint";
$pseudo_to_opengl{"IglooFunctionSelectSGIX"} = "GLint";
$pseudo_to_opengl{"IglooParameterSGIX"} = "GLint";
#
# Then, create the list of all OpenGL functions using the 'gl.spec'
# file. This will create two hash-tables, one with all the function
# whose category matches the one listed in '@norm_categories', the other
# with all other functions.
#
# An element of the hash table is a reference to an array with these
# elements :
#
# - function name
#
# - return type
#
# - reference to an array giving the list of arguments (an empty array
# for a 'void' function).
#
# The list of arguments is itself an array of reference to arrays. Each
# of these arrays represents the argument type and the argument name.
#
# An example :
#
# void glBitmap( GLsizei width, GLsizei height,
# GLfloat xorig, GLfloat yorig,
# GLfloat xmove, GLfloat ymove,
# const GLubyte *bitmap );
#
# Would give something like that :
#
# [ "glBitmap",
# "void",
# [ [ "GLsizei", "width" ],
# [ "GLsizei", "height" ],
# [ "GLfloat", "xorig" ],
# [ "GLfloat", "yorig" ],
# [ "GLfloat", "xmove" ],
# [ "GLfloat", "ymove" ],
# [ "GLubyte *", "bitmap"] ] ];
#
my %norm_functions = ();
#
# This stores various extensions NOT part of the GL extension registry but still
# implemented by most OpenGL libraries out there...
#
my %ext_functions =
( "glDeleteBufferRegion" => [ "glDeleteBufferRegion", "void", [ [ "GLenum", "region" ] ], "glDeleteBufferRegion" ],
"glReadBufferRegion" => [ "glReadBufferRegion", "void", [ [ "GLenum", "region" ],
[ "GLint", "x" ],
[ "GLint", "y" ],
[ "GLsizei", "width" ],
[ "GLsizei", "height" ] ], "glReadBufferRegion" ],
"glDrawBufferRegion" => [ "glDrawBufferRegion", "void", [ [ "GLenum", "region" ],
[ "GLint", "x" ],
[ "GLint", "y" ],
[ "GLsizei", "width" ],
[ "GLsizei", "height" ],
[ "GLint", "xDest" ],
[ "GLint", "yDest" ] ], "glDrawBufferRegion" ],
"glBufferRegionEnabled" => [ "glBufferRegionEnabled", "GLuint", [ ], "glBufferRegionEnabled" ],
"glNewBufferRegion" => [ "glNewBufferRegion", "GLuint", [ [ "GLenum", "type" ] ], "glNewBufferRegion" ],
"glMTexCoord2fSGIS" => [ "glMTexCoord2fSGIS", "void", [ [ "GLenum", "target" ],
[ "GLfloat", "s" ],
[ "GLfloat", "t" ] ], "glMTexCoord2fSGIS" ],
"glMTexCoord2fvSGIS" => [ "glMTexCoord2fvSGIS", "void", [ [ "GLenum", "target" ],
[ "GLfloat *", "v" ] ], "glMTexCoord2fvSGIS" ],
"glMultiTexCoord1dSGIS" => [ "glMultiTexCoord1dSGIS", "void", [ [ "GLenum", "target" ],
[ "GLdouble", "s" ] ], "glMultiTexCoord1dSGIS" ],
"glMultiTexCoord1dvSGIS" => [ "glMultiTexCoord1dvSGIS", "void", [ [ "GLenum", "target" ],
[ "GLdouble *", "v" ] ], "glMultiTexCoord1dvSGIS" ],
"glMultiTexCoord1fSGIS" => [ "glMultiTexCoord1fSGIS", "void", [ [ "GLenum", "target" ],
[ "GLfloat", "s" ] ], "glMultiTexCoord1fSGIS" ],
"glMultiTexCoord1fvSGIS" => [ "glMultiTexCoord1fvSGIS", "void", [ [ "GLenum", "target" ],
[ "const GLfloat *", "v" ] ], "glMultiTexCoord1fvSGIS" ],
"glMultiTexCoord1iSGIS" => [ "glMultiTexCoord1iSGIS", "void", [ [ "GLenum", "target" ],
[ "GLint", "s" ] ], "glMultiTexCoord1iSGIS" ],
"glMultiTexCoord1ivSGIS" => [ "glMultiTexCoord1ivSGIS", "void", [ [ "GLenum", "target" ],
[ "GLint *", "v" ] ], "glMultiTexCoord1ivSGIS" ],
"glMultiTexCoord1sSGIS" => [ "glMultiTexCoord1sSGIS", "void", [ [ "GLenum", "target" ],
[ "GLshort", "s" ] ], "glMultiTexCoord1sSGIS" ],
"glMultiTexCoord1svSGIS" => [ "glMultiTexCoord1svSGIS", "void", [ [ "GLenum", "target" ],
[ "GLshort *", "v" ] ], "glMultiTexCoord1svSGIS" ],
"glMultiTexCoord2dSGIS" => [ "glMultiTexCoord2dSGIS", "void", [ [ "GLenum", "target" ],
[ "GLdouble", "s"],
[ "GLdouble", "t" ] ], "glMultiTexCoord2dSGIS" ],
"glMultiTexCoord2dvSGIS" => [ "glMultiTexCoord2dvSGIS", "void", [ [ "GLenum", "target" ],
[ "GLdouble *", "v" ] ], "glMultiTexCoord2dvSGIS" ],
"glMultiTexCoord2fSGIS" => [ "glMultiTexCoord2fSGIS", "void", [ [ "GLenum", "target" ],
[ "GLfloat", "s" ],
[ "GLfloat", "t" ] ], "glMultiTexCoord2fSGIS" ],
"glMultiTexCoord2fvSGIS" => [ "glMultiTexCoord2fvSGIS", "void", [ [ "GLenum", "target" ],
[ "GLfloat *", "v" ] ], "glMultiTexCoord2fvSGIS" ],
"glMultiTexCoord2iSGIS" => [ "glMultiTexCoord2iSGIS", "void", [ [ "GLenum", "target" ],
[ "GLint", "s" ],
[ "GLint", "t" ] ], "glMultiTexCoord2iSGIS" ],
"glMultiTexCoord2ivSGIS" => [ "glMultiTexCoord2ivSGIS", "void", [ [ "GLenum", "target" ],
[ "GLint *", "v" ] ], "glMultiTexCoord2ivSGIS" ],
"glMultiTexCoord2sSGIS" => [ "glMultiTexCoord2sSGIS", "void", [ [ "GLenum", "target" ],
[ "GLshort", "s" ],
[ "GLshort", "t" ] ], "glMultiTexCoord2sSGIS" ],
"glMultiTexCoord2svSGIS" => [ "glMultiTexCoord2svSGIS", "void", [ [ "GLenum", "target" ],
[ "GLshort *", "v" ] ], "glMultiTexCoord2svSGIS" ],
"glMultiTexCoord3dSGIS" => [ "glMultiTexCoord3dSGIS", "void", [ [ "GLenum", "target" ],
[ "GLdouble", "s" ],
[ "GLdouble", "t" ],
[ "GLdouble", "r" ] ], "glMultiTexCoord3dSGIS" ],
"glMultiTexCoord3dvSGIS" => [ "glMultiTexCoord3dvSGIS", "void", [ [ "GLenum", "target" ],
[ "GLdouble *", "v" ] ], "glMultiTexCoord3dvSGIS" ],
"glMultiTexCoord3fSGIS" => [ "glMultiTexCoord3fSGIS", "void", [ [ "GLenum", "target" ],
[ "GLfloat", "s" ],
[ "GLfloat", "t" ],
[ "GLfloat", "r" ] ], "glMultiTexCoord3fSGIS" ],
"glMultiTexCoord3fvSGIS" => [ "glMultiTexCoord3fvSGIS", "void", [ [ "GLenum", "target" ],
[ "GLfloat *", "v" ] ], "glMultiTexCoord3fvSGIS" ],
"glMultiTexCoord3iSGIS" => [ "glMultiTexCoord3iSGIS", "void", [ [ "GLenum", "target" ],
[ "GLint", "s" ],
[ "GLint", "t" ],
[ "GLint", "r" ] ], "glMultiTexCoord3iSGIS" ],
"glMultiTexCoord3ivSGIS" => [ "glMultiTexCoord3ivSGIS", "void", [ [ "GLenum", "target" ],
[ "GLint *", "v" ] ], "glMultiTexCoord3ivSGIS" ],
"glMultiTexCoord3sSGIS" => [ "glMultiTexCoord3sSGIS", "void", [ [ "GLenum", "target" ],
[ "GLshort", "s" ],
[ "GLshort", "t" ],
[ "GLshort", "r" ] ], "glMultiTexCoord3sSGIS" ],
"glMultiTexCoord3svSGIS" => [ "glMultiTexCoord3svSGIS", "void", [ [ "GLenum", "target" ],
[ "GLshort *", "v" ] ], "glMultiTexCoord3svSGIS" ],
"glMultiTexCoord4dSGIS" => [ "glMultiTexCoord4dSGIS", "void", [ [ "GLenum", "target" ],
[ "GLdouble", "s" ],
[ "GLdouble", "t" ],
[ "GLdouble", "r" ],
[ "GLdouble", "q" ] ], "glMultiTexCoord4dSGIS" ],
"glMultiTexCoord4dvSGIS" => [ "glMultiTexCoord4dvSGIS", "void", [ [ "GLenum", "target" ],
[ "GLdouble *", "v" ] ], "glMultiTexCoord4dvSGIS" ],
"glMultiTexCoord4fSGIS" => [ "glMultiTexCoord4fSGIS", "void", [ [ "GLenum", "target" ],
[ "GLfloat", "s" ],
[ "GLfloat", "t" ],
[ "GLfloat", "r" ],
[ "GLfloat", "q" ] ], "glMultiTexCoord4fSGIS" ],
"glMultiTexCoord4fvSGIS" => [ "glMultiTexCoord4fvSGIS", "void", [ [ "GLenum", "target" ],
[ "GLfloat *", "v" ] ], "glMultiTexCoord4fvSGIS" ],
"glMultiTexCoord4iSGIS" => [ "glMultiTexCoord4iSGIS", "void", [ [ "GLenum", "target" ],
[ "GLint", "s" ],
[ "GLint", "t" ],
[ "GLint", "r" ],
[ "GLint", "q" ] ], "glMultiTexCoord4iSGIS" ],
"glMultiTexCoord4ivSGIS" => [ "glMultiTexCoord4ivSGIS", "void", [ [ "GLenum", "target" ],
[ "GLint *", "v" ] ], "glMultiTexCoord4ivSGIS" ],
"glMultiTexCoord4sSGIS" => [ "glMultiTexCoord4sSGIS", "void", [ [ "GLenum", "target" ],
[ "GLshort", "s" ],
[ "GLshort", "t" ],
[ "GLshort", "r" ],
[ "GLshort", "q" ] ], "glMultiTexCoord4sSGIS" ],
"glMultiTexCoord4svSGIS" => [ "glMultiTexCoord4svSGIS", "void", [ [ "GLenum", "target" ],
[ "GLshort *", "v" ] ], "glMultiTexCoord4svSGIS" ],
"glMultiTexCoordPointerSGIS" => [ "glMultiTexCoordPointerSGIS", "void", [ [ "GLenum", "target" ],
[ "GLint", "size" ],
[ "GLenum", "type" ],
[ "GLsizei", "stride" ],
[ "GLvoid *", "pointer" ] ], "glMultiTexCoordPointerSGIS" ],
"glSelectTextureSGIS" => [ "glSelectTextureSGIS", "void", [ [ "GLenum", "target" ] ], "glSelectTextureSGIS" ],
"glSelectTextureCoordSetSGIS" => [ "glSelectTextureCoordSetSGIS", "void", [ [ "GLenum", "target" ] ], "glSelectTextureCoordSetSGIS" ],
"wglAllocateMemoryNV" => [ "wglAllocateMemoryNV", "void *", [ [ "GLsizei", "size" ],
[ "GLfloat", "readfreq" ],
[ "GLfloat", "writefreq"],
[ "GLfloat", "priority" ] ], "glXAllocateMemoryNV" ],
"wglFreeMemoryNV" => [ "wglFreeMemoryNV", "void", [ [ "GLvoid *", "pointer" ] ], "glXFreeMemoryNV" ],
"glDeleteObjectBufferATI" => [ "glDeleteObjectBufferATI", "void", [ [ "GLuint", "buffer" ] ], "glDeleteObjectBufferATI" ]
);
my @arg_names;
my %arg_types;
while (my $line = <REGISTRY>) {
if ($line =~ /^\w*\(.*\)/) {
# Get the function name (NOTE: the 'gl' prefix needs to be added later)
my ($funcname, $args) = ($line =~ /^(\w*)\((.*)\)/);
# and the argument names
@arg_names = split /\s*,\s*/, $args;
# After get :
# - the return type
# - the argument types
# - the category the function belongs
%arg_types = ();
my $category = "";
my $ret_type = "";
while (1) {
$line = <REGISTRY>;
unless (defined($line)) {
last;
} elsif ($line =~ /^\s*$/) {
if (($category eq "") || ($ret_type eq "")) {
die "Missing 'category' line in function $funcname.\n";
}
last;
} elsif ($line =~ /\t*return\t*(\w*)/) {
($ret_type) = ($line =~ /\t*return\s*(\w*)/);
$ret_type = $pseudo_to_opengl{$ret_type};
unless (defined($ret_type)) {
die "Unsupported return type in function $funcname\n";
}
} elsif ($line =~ /^\t*category/) {
($category) = ($line =~ /^\t*category\s*([\w-]*)/);
} elsif ($line =~ /^\t*param/) {
my ($name, $base_type, $ext) = ($line =~ /\t*param\s*(\w*)\s*(\w*) (.*)/);
my $ptr = 0;
unless (defined($name)) {
chomp $line;
die "Broken spec file line $line in function $funcname\n";
}
if ($ext =~ /array/) {
# This is a pointer
$ptr = 1;
} elsif ($ext =~ /value/) {
# And this a 'normal' value
$ptr = 0;
} else {
chomp $line;
die "Unsupported type : $line in function $funcname\n";
}
# Get the 'real' type and append a '*' in case of a pointer
my $type = $pseudo_to_opengl{$base_type};
unless (defined($type)) {
chomp $line;
die "Unsupported return type in function $funcname for type $base_type (line $line)\n";
}
if ($ptr) {
$type = "$type*";
}
$arg_types{$name} = $type;
}
}
# Now, build the argument reference
my $arg_ref = [ ];
for (my $i = 0; $i <= $#arg_names; $i++) {
unless (defined($arg_types{$arg_names[$i]})) {
print "@arg_names\n";
foreach (sort keys %arg_types) {
print "$_ => $arg_types{$_}\n";
}
die "Undefined type for $arg_names[$i] in function $funcname\n";
}
push @$arg_ref, [ $arg_types{$arg_names[$i]}, $arg_names[$i] ];
}
my $func_ref = [ "gl$funcname",
$ret_type,
$arg_ref,
"gl$funcname" ];
# Now, put in one or the other hash table
if ($norm_categories{$category}) {
$norm_functions{"gl$funcname"} = $func_ref;
} else {
$ext_functions{"gl$funcname"} = $func_ref;
}
}
}
#
# Clean up the input files
#
close(TYPES);
close(REGISTRY);
#
# Now, generate the output files. First, the spec file.
#
open(SPEC, ">$spec_file");
print SPEC "@ stdcall wglCreateContext(long)
@ stdcall wglCreateLayerContext(long long)
@ stdcall wglCopyContext(long long long)
@ stdcall wglDeleteContext(long)
@ stdcall wglDescribeLayerPlane(long long long long ptr)
@ stdcall wglGetCurrentContext()
@ stdcall wglGetCurrentDC()
@ stdcall wglGetLayerPaletteEntries(long long long long ptr)
@ stdcall wglGetProcAddress(str)
@ stdcall wglMakeCurrent(long long)
@ stdcall wglRealizeLayerPalette(long long long)
@ stdcall wglSetLayerPaletteEntries(long long long long ptr)
@ stdcall wglShareLists(long long)
@ stdcall wglSwapLayerBuffers(long long)
@ stdcall wglUseFontBitmapsA(long long long long)
@ stdcall wglUseFontOutlinesA(long long long long long long long ptr)
@ stub glGetLevelParameterfv
@ stub glGetLevelParameteriv
@ stdcall wglUseFontBitmapsW(long long long long)
@ stub wglUseFontOutlinesW
@ stub wglGetDefaultProcAddress
@ stdcall wglChoosePixelFormat(long ptr) gdi32.ChoosePixelFormat
@ stdcall wglDescribePixelFormat(long long long ptr) gdi32.DescribePixelFormat
@ stdcall wglGetPixelFormat(long) gdi32.GetPixelFormat
@ stdcall wglSetPixelFormat(long long ptr) gdi32.SetPixelFormat
@ stdcall wglSwapBuffers(long) gdi32.SwapBuffers
";
foreach (sort keys %norm_functions) {
my $func_name = $norm_functions{$_}->[0];
print SPEC "@ stdcall $func_name( ";
for (my $i = 0; $i <= $#{@{$norm_functions{$_}->[2]}}; $i++) {
my $type = $norm_functions{$_}->[2]->[$i]->[0];
if ($type =~ /\*/) {
print SPEC "ptr ";
} elsif (defined($arg_conv{$type})) {
print SPEC "$@$arg_conv{$type}[0] ";
} else {
die "No conversion for GL type $type...\n";
}
}
print SPEC ") wine_$func_name\n";
}
close(SPEC);
#
# After the spec file, the opengl_norm.c file
#
open(NORM, ">$norm_file");
print NORM "
/* Auto-generated file... Do not edit ! */
#include \"config.h\"
#include \"opengl_ext.h\"
#include \"wine/debug.h\"
WINE_DEFAULT_DEBUG_CHANNEL(opengl);
";
foreach (sort keys %norm_functions) {
my $string = GenerateThunk($norm_functions{$_}, 1, "", $gen_thread_safe);
print NORM "\n$string";
}
close(NORM);
#
# Finally, more complex, the opengl_ext.c file
#
open(EXT, ">$ext_file");
print EXT "
/* Auto-generated file... Do not edit ! */
#include \"config.h\"
#include \"opengl_ext.h\"
#include \"wine/debug.h\"
WINE_DEFAULT_DEBUG_CHANNEL(opengl);
";
# First, generate the function pointers
foreach (sort keys %ext_functions) {
my $func_ref = $ext_functions{$_};
print EXT ConvertType($func_ref->[1]), " (*$ext_prefix$func_ref->[0])( ";
for (my $i = 0; $i <= $#{@{$func_ref->[2]}}; $i++) {
my $type = ConvertType($func_ref->[2]->[$i]->[0]);
print EXT "$type";
if ($i != $#{@{$func_ref->[2]}}) {
print EXT ", ";
} else {
print EXT " ";
}
}
print EXT 'void ' if ($#{@{$func_ref->[2]}} < 0);
print EXT ") = (void *) 0xdeadbeef;\n";
}
# Then, the function prototypes
print EXT "\n\n/* The function prototypes */\n";
foreach (sort keys %ext_functions) {
my $func_ref = $ext_functions{$_};
print EXT ConvertType($func_ref->[1]), " WINAPI wine_$func_ref->[0]( ";
for (my $i = 0; $i <= $#{@{$func_ref->[2]}}; $i++) {
my $type = ConvertType($func_ref->[2]->[$i]->[0]);
print EXT "$type";
if ($i != $#{@{$func_ref->[2]}}) {
print EXT ", ";
} else {
print EXT " ";
}
}
print EXT 'void ' if ($#{@{$func_ref->[2]}} < 0);
print EXT ");\n";
}
# Then the table giving the string <-> function correspondance */
print EXT "\n\n/* The table giving the correspondance between names and functions */\n";
my @tmp = keys %ext_functions;
print EXT "int extension_registry_size = ", ($#tmp + 1), ";\n";
print EXT "OpenGL_extension extension_registry[", ($#tmp + 1), "] = {\n";
my $i = 0;
foreach (sort keys %ext_functions) {
my $func_ref = $ext_functions{$_};
print EXT " { \"$func_ref->[0]\", \"$func_ref->[3]\", (void *) wine_$func_ref->[0], (void **) (&$ext_prefix$func_ref->[0]) }";
if ($i != $#tmp) {
print EXT ",";
}
$i++;
print EXT "\n";
}
print EXT "};\n";
# And, finally, the thunks themselves....
print EXT "\n/* The thunks themselves....*/";
foreach (sort keys %ext_functions) {
my $string = GenerateThunk($ext_functions{$_}, 0, $ext_prefix, $gen_thread_safe);
print EXT "\n$string";
}
close(EXT);
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