diff options
Diffstat (limited to 'plugins/gtkui/gtkglext-gtk2/gdk/glext/gen-gdkglglxext-h.pl')
| -rwxr-xr-x | plugins/gtkui/gtkglext-gtk2/gdk/glext/gen-gdkglglxext-h.pl | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/plugins/gtkui/gtkglext-gtk2/gdk/glext/gen-gdkglglxext-h.pl b/plugins/gtkui/gtkglext-gtk2/gdk/glext/gen-gdkglglxext-h.pl new file mode 100755 index 00000000..ec625327 --- /dev/null +++ b/plugins/gtkui/gtkglext-gtk2/gdk/glext/gen-gdkglglxext-h.pl @@ -0,0 +1,218 @@ +#!/usr/bin/perl -w +# +# gen-gdkglglxext-h.pl +# +# Script for generating gdk/x11/gdkglglxext.h from SGI's OpenGL extension +# header. +# +# written by Naofumi Yasufuku <naofumi@users.sourceforge.net> +# + +@input_headers = ("glxext.h", "glxext-extra.h"); + +#--------------- +open(IN, "common-header.h") || die "cannot open common-header.h"; +print while (<IN>); +close(IN); + +print <<EOF; +/* + * This is a generated file. Please modify "gen-gdkglglxext-h.pl". + */ + +#ifndef __GDK_GL_GLXEXT_H__ +#define __GDK_GL_GLXEXT_H__ + +#include <X11/Xlib.h> +#include <X11/Xutil.h> + +#include <GL/gl.h> +#include <GL/glx.h> + +#include <gdk/gdkgldefs.h> +#include <gdk/gdkglquery.h> +#include <gdk/gdkglconfig.h> + +G_BEGIN_DECLS + +#ifndef GLX_VERSION_1_3 +typedef struct __GLXFBConfigRec *GLXFBConfig; +typedef XID GLXFBConfigID; +typedef XID GLXContextID; +typedef XID GLXWindow; +typedef XID GLXPbuffer; +#endif + +#ifndef HAVE_GLXFBCONFIGSGIX +#if defined(GLX_SGIX_fbconfig) && defined(GDKGLEXT_NEED_GLXFBCONFIGSGIX_TYPEDEF) +typedef struct __GLXFBConfigRec *GLXFBConfigSGIX; +#endif +#endif + +#ifndef HAVE_GLXFBCONFIGIDSGIX +#if defined(GLX_SGIX_fbconfig) && defined(GDKGLEXT_NEED_GLXFBCONFIGIDSGIX_TYPEDEF) +typedef XID GLXFBConfigIDSGIX; +#endif +#endif + +#ifndef HAVE_GLXPBUFFERSGIX +#if defined(GLX_SGIX_pbuffer) && defined(GDKGLEXT_NEED_GLXPBUFFERSGIX_TYPEDEF) +typedef XID GLXPbufferSGIX; +#endif +#endif + +/* for __GLXextFuncPtr typedef in glxext.h */ +#ifndef HAVE___GLXEXTFUNCPTR +#if defined(GLX_ARB_get_proc_address) && defined(GDKGLEXT_NEED_GLXEXTFUNCPTR_TYPEDEF) +#undef GLX_ARB_get_proc_address +#endif +#endif + +/* Suppress 'redefined' warnings (Solaris 8, etc.) */ + +#if !defined(GLX_ARB_multisample) && defined(GLX_SAMPLE_BUFFERS_ARB) +#define GLX_ARB_multisample 1 +#endif + +#if !defined(GLX_SGIS_multisample) && defined(GLX_SAMPLE_BUFFERS_SGIS) +#define GLX_SGIS_multisample 1 +#endif + +#if !defined(GLX_EXT_visual_rating) && defined(GLX_VISUAL_CAVEAT_EXT) +#define GLX_EXT_visual_rating 1 +#endif + +#if !defined(GLX_EXT_import_context) && defined(GLX_SHARE_CONTEXT_EXT) +#define GLX_EXT_import_context 1 +#endif + +/* Avoid old glxext.h bug. */ +#if !defined(GLX_SGIX_video_source) && !defined(GDKGLEXT_NEED_GLXVIDEOSOURCESGIX_TYPEDEF) +#define GLX_SGIX_video_source 1 +#endif + +#undef __glxext_h_ +#undef GLX_GLXEXT_VERSION +#include <gdk/glext/glxext.h> +#include <gdk/glext/glxext-extra.h> + +EOF +#--------------- + +foreach $in (@input_headers) { + open(IN, $in) || die "cannot open $in"; + + while (<IN>) { + if (/#ifndef\s+GLX_[a-zA-Z0-9]+_[a-z0-9_]+/) { + @line = split; + $_ = <IN>; + if (/#define\s+$line[1]/) { + while (<IN>) { + if (/#ifdef\s+GLX_GLXEXT_PROTOTYPES/) { + + $extension = $line[1]; + + # function prototypes + @functions = (); + while (<IN>) { + last if (/#endif/); + ($func) = /(glX\w+)/; + push(@functions, $func); + } + + # typedefs + @typedefs = (); + while (<IN>) { + last if (/#endif/); + chomp; + push(@typedefs, $_); + } + + generate_code(); + + last; + + } elsif (/#endif/) { + last; + } + } + } + } + } + + close(IN); +} + +#--------------- +print <<EOF; +G_END_DECLS + +#endif /* __GDK_GL_GLXEXT_H__ */ +EOF +#--------------- + +# code generator +sub generate_code { + print "/*\n"; + print " * $extension\n"; + print " */\n\n"; + + if ($extension eq "GLX_SGIX_video_source") { + print "#ifdef _VL_H\n\n"; + } elsif ($extension eq "GLX_SGIX_dmbuffer") { + print "#ifdef _DM_BUFFER_H_\n\n"; + } + + $i = 0; + foreach $func (@functions) { + print "/* $func */\n"; + + $type = $typedefs[$i++]; + $type =~ s/PFN\w+/GdkGLProc_$func/; + print "$type\n"; + + print "GdkGLProc gdk_gl_get_$func (void);\n"; + + $_ = $type; + ($args) = /\(.*\)\s+\((.*)\)/; + @args_list = split(/,\s+/, $args); + foreach (@args_list) { + ($_) = /.*\s+\**(\w+)$/; + $_ = "" if (!$_); + } + $args = join(", ", @args_list); + + if ($args eq "") { + print "#define gdk_gl_$func(proc) \\\n"; + print " ( ((GdkGLProc_$func) (proc)) () )\n"; + } else { + print "#define gdk_gl_$func(proc, $args) \\\n"; + print " ( ((GdkGLProc_$func) (proc)) ($args) )\n"; + } + + print "\n"; + } + + print "/* proc struct */\n\n"; + + print "typedef struct _GdkGL_$extension GdkGL_$extension;\n\n"; + + print "struct _GdkGL_$extension\n"; + print "{\n"; + foreach $func (@functions) { + print " GdkGLProc_$func $func;\n"; + } + print "};\n\n"; + + if ($extension =~ /^GLX_VERSION_.*/) { + print "GdkGL_$extension *gdk_gl_get_$extension (void);\n\n"; + } else { + print "GdkGL_$extension *gdk_gl_get_$extension (GdkGLConfig *glconfig);\n\n"; + } + + if ($extension eq "GLX_SGIX_video_source") { + print "#endif /* _VL_H */\n\n"; + } elsif ($extension eq "GLX_SGIX_dmbuffer") { + print "#endif /* _DM_BUFFER_H_ */\n\n"; + } +} |