#!/usr/bin/perl -w

#
# First, the basics and the wgl functions
#
print "
name opengl32
type win32

@  stdcall wglCreateContext(long) wglCreateContext
@  stdcall wglCreateLayerContext(long long) wglCreateLayerContext
@  stdcall wglCopyContext(long long long) wglCopyContext
@  stdcall wglDeleteContext(long) wglDeleteContext
@  stdcall wglDescribeLayerPlane(long long long long ptr) wglDescribeLayerPlane
@  stdcall wglGetCurrentContext() wglGetCurrentContext
@  stdcall wglGetCurrentDC() wglGetCurrentDC
@  stdcall wglGetLayerPaletteEntries(long long long long ptr) wglGetLayerPaletteEntries
@  stdcall wglGetProcAddress(str) wglGetProcAddress
@  stdcall wglMakeCurrent(long long) wglMakeCurrent
@  stdcall wglRealizeLayerPalette(long long long) wglRealizeLayerPalette
@  stdcall wglSetLayerPaletteEntries(long long long long ptr) wglSetLayerPaletteEntries
@  stdcall wglShareLists(long long) wglShareLists
@  stdcall wglSwapLayerBuffers(long long) wglSwapLayerBuffers
@  stdcall wglUseFontBitmapsA(long long long long) wglUseFontBitmapsA
@  stdcall wglUseFontOutlinesA(long long long long long long long ptr) wglUseFontOutlinesA
@  stub    glGetLevelParameterfv
@  stub    glGetLevelParameteriv
@  stub    wglUseFontBitmapsW
@  stub    wglUseFontOutlinesW
@  forward wglChoosePixelFormat GDI32.ChoosePixelFormat
@  forward wglDescribePixelFormat GDI32.DescribePixelFormat
@  forward wglGetPixelFormat GDI32.GetPixelFormat
@  forward wglSetPixelFormat GDI32.SetPixelFormat
@  forward wglSwapBuffers GDI32.SwapBuffers
";

#
# Now, the functions from the include file
#
open(INC, "/usr/X11R6/include/GL/gl.h") || die "Could not open GL/gl.h";

while ($line = <INC>) {
    if ($line =~ /GLAPI.*GLAPIENTRY/) {
	# Start of a function declaration
	($name, $args) = ($line =~ /GLAPIENTRY *(.*)\((.*)/);
	
	# Remove all extensions except the multitexture one (see OpenGL ABI)
	if (($name !~ /(MESA|PGI|ARB|EXT)/) ||
	    ($name =~ /MultiTexCoord/) ||
	    ($name =~ /ActiveTextureARB/)) {
	    print "@  stdcall $name(";

	    # Now, get the parameters
	    while (1) {
		@args = split /,/, $args;

		foreach (@args) {
		    if ($_ =~ /\)/) {
			($_) = ($_ =~ /(.*)\)/);
		    }

		    if ($_ =~ /\*/) {
			print "ptr ";
		    } elsif ($_ =~ /[a-zA-Z]/) {
			($type) = ($_ =~ /^ *(.*) +.*/);
			if (($type =~ /double/) ||
			    ($type =~ /clampd/)) {
			    print "double ";
			} elsif ($type !~ /void/) {
			    print "long ";
			}
		    }
		}

		if ($args !~ /\)/) {
		    $args = <INC>;
		} else {
		    last;
		}
	    }
	    
	    print ") wine_$name\n";
	}
    }
}

close(INC);