1 files changed, 91 insertions, 0 deletions
diff --git a/src/VBox/GuestHost/OpenGL/packer/pack_header.py b/src/VBox/GuestHost/OpenGL/packer/pack_header.py
new file mode 100755
index 00000000..d86d0789
--- /dev/null
+++ b/src/VBox/GuestHost/OpenGL/packer/pack_header.py
@@ -0,0 +1,91 @@
+# Copyright (c) 2001, Stanford University
+# All rights reserved.
+#
+# See the file LICENSE.txt for information on redistributing this software.
+
+# This script generates the cr/include/cr_packfunctions.h file from the
+# gl_header.parsed file.
+
+from __future__ import print_function
+import sys
+import string
+
+import apiutil
+
+
+apiutil.CopyrightC()
+
+print("""#ifndef CR_PACKFUNCTIONS_H
+#define CR_PACKFUNCTIONS_H
+
+/* DO NOT EDIT - THIS FILE GENERATED BY THE pack_header.py SCRIPT */
+
+/* Prototypes for the OpenGL packer functions in packer.c and pack_bbox.c */
+
+#include "chromium.h"
+#include "state/cr_client.h"
+#include "cr_pack.h"
+
+#ifdef WINDOWS
+#define PACK_APIENTRY __stdcall
+#else
+#define PACK_APIENTRY
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+""")
+
+keys = apiutil.GetDispatchedFunctions(sys.argv[1]+"/APIspec.txt")
+
+
+for func_name in keys:
+	if ("pack" in apiutil.ChromiumProps(func_name) or
+		"extpack" in apiutil.ChromiumProps(func_name) or
+		apiutil.NonVectorFunction(func_name) != '' or
+		apiutil.FindSpecial('packer', func_name)):
+
+		# OK, generate a crPackFooBar() prototype for this function
+		return_type = apiutil.ReturnType(func_name)
+		args = apiutil.Parameters(func_name)
+		if return_type != 'void':
+			if apiutil.IsPointer(return_type):
+				args.append(("return_value", return_type, 0))
+			else:
+				args.append(("return_value", return_type + "*", 0))
+		elif "pixelstore" in apiutil.Properties(func_name):
+			args.append(("packstate", "const CRPixelPackState *", 0))
+
+		if "get" in apiutil.Properties(func_name):
+			args.append(("writeback", "int *", 0))
+
+		print('void PACK_APIENTRY crPack%s(%s);' % (func_name, apiutil.MakeDeclarationStringWithContext('CR_PACKER_CONTEXT', args)))
+		print('void PACK_APIENTRY crPack%sSWAP(%s);' % (func_name, apiutil.MakeDeclarationStringWithContext('CR_PACKER_CONTEXT', args)))
+
+
+
+# Now generate special BBOX, COUNT, SWAP variations on the glVertex and
+# glVertexAttrib functions.
+for func_name in keys:
+	if (func_name[0:6] == "Vertex" and
+		"pervertex" in apiutil.Properties(func_name) and
+		("pack" in apiutil.ChromiumProps(func_name) or
+		 apiutil.NonVectorFunction(func_name) != '')):
+
+		assert apiutil.ReturnType(func_name) == "void"
+
+		args = apiutil.Parameters(func_name)
+		print('void PACK_APIENTRY crPack%sBBOX(%s);' % (func_name, apiutil.MakeDeclarationString(args)))
+		print('void PACK_APIENTRY crPack%sBBOX_COUNT(%s);' % (func_name, apiutil.MakeDeclarationString(args)))
+		print('void PACK_APIENTRY crPack%sBBOXSWAP(%s);' % (func_name, apiutil.MakeDeclarationString(args)))
+		print('void PACK_APIENTRY crPack%sBBOX_COUNTSWAP(%s);' % (func_name, apiutil.MakeDeclarationString(args)))
+
+
+print("""
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CR_PACKFUNCTIONS_H */
+""")