Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 106 insertions, 0 deletions

diff --git a/src/VBox/GuestHost/OpenGL/packer/opcodes.py b/src/VBox/GuestHost/OpenGL/packer/opcodes.py
new file mode 100755
index 00000000..798ca677
--- /dev/null
+++ b/src/VBox/GuestHost/OpenGL/packer/opcodes.py
@@ -0,0 +1,106 @@
+# Copyright (c) 2001, Stanford University
+# All rights reserved.
+#
+# See the file LICENSE.txt for information on redistributing this software.
+
+# This script generates include/cr_opcodes.h from the gl_header.parsed file.
+
+from __future__ import print_function
+import sys;
+import string;
+import re;
+
+import apiutil
+
+apiutil.CopyrightC()
+
+print("")
+print("/* DO NOT EDIT - THIS FILE GENERATED BY THE opcodes.py SCRIPT */")
+print("")
+print("#ifndef CR_OPCODES_H")
+print("#define CR_OPCODES_H")
+print("")
+
+keys = apiutil.GetDispatchedFunctions(sys.argv[1]+"/APIspec.txt")
+assert len(keys) > 0
+
+print("/* Functions with no return value and input-only parameters */")
+print("typedef enum {")
+
+enum_index = 0
+for func in keys:
+	if "pack" in apiutil.ChromiumProps(func):
+		print("\t%s = %d," % ( apiutil.OpcodeName(func), enum_index ))
+		enum_index = enum_index + 1
+
+print("\tCR_EXTEND_OPCODE=%d," % enum_index)
+enum_index = enum_index + 1
+print("\tCR_CMDBLOCKBEGIN_OPCODE=%d," % enum_index)
+enum_index = enum_index + 1
+print("\tCR_CMDBLOCKEND_OPCODE=%d," % enum_index)
+enum_index = enum_index + 1
+print("\tCR_CMDBLOCKFLUSH_OPCODE=%d," % enum_index)
+print("\tCR_NOP_OPCODE=255")
+if enum_index > 254:
+	# This would have saved Mike some grief if it had been here earlier.
+	print >> sys.stderr, "You have more than 255 opcodes!  You've been adding functions to"
+	print >> sys.stderr, "glapi_parser/APIspec!  Each new function you add"
+	print >> sys.stderr, "gets an opcode assigned to it.  Fortunately for you, we have"
+	print >> sys.stderr, "an ``extend'' opcode.  Please mark the function as"
+	print >> sys.stderr, "'extpack' in APIspec so as to keep the main opcode pool"
+	print >> sys.stderr, "less than 255!  THIS IS A CATASTROPHIC FAILURE, and I WILL NOT CONTINUE!"
+	print >> sys.stderr, "I'm putting an error in the generated header file so you won't miss"
+	print >> sys.stderr, "this even if you're doing a 'make -k.'"
+	print("#error -- more than 255 opcodes!")
+	sys.exit(-1)
+print("} CROpcode;\n")
+
+# count up number of extended opcode commands
+num_extends = 0
+num_auto_codes = 0
+for func in keys:
+	if "extpack" in apiutil.ChromiumProps(func):
+		num_extends += 1
+		if apiutil.ChromiumRelOpCode(func) < 0:
+			num_auto_codes += 1
+
+# sanity check for compatibility breakage
+# we currently have 304
+if num_auto_codes != 304:
+	print >> sys.stderr, "number of auto-generated op-codes should be 304, but is " + str(num_auto_codes)
+	print >> sys.stderr, "which breaks backwards compatibility"
+	print >> sys.stderr, "if this is really what you want to do, please adjust this script"
+	print >> sys.stderr, "to handle a new auto-generated opcodes count"
+	print("#error -- num_auto_codes should be 304, but is " + str(num_auto_codes))
+	sys.exit(-1)
+
+print("/* Functions with a return value or output parameters */")
+print("typedef enum {")
+
+opcode_index = 0
+enum_index = 0
+chrelopcodes = {}
+for func in keys:
+	if "extpack" in apiutil.ChromiumProps(func):
+		opcodeName = apiutil.ExtendedOpcodeName(func)
+		chrelopcode = apiutil.ChromiumRelOpCode(func)
+		opcode = -1
+		if chrelopcode >= 0:
+			if not chrelopcode in chrelopcodes:
+				chrelopcodes[chrelopcode] = chrelopcode
+			else:
+				print >> sys.stderr, "non-unique chrelopcode: " + str(chrelopcode)
+				print("#error -- non-unique chrelopcode:  " + str(num_auto_codes))
+				sys.exit(-1)
+			opcode = num_auto_codes + chrelopcode
+		else:
+			opcode = opcode_index
+			opcode_index = opcode_index + 1
+
+		if enum_index != num_extends-1:
+			print("\t%s = %d," % (opcodeName, opcode ))
+		else:
+			print("\t%s = %d" % (opcodeName, opcode ))
+		enum_index = enum_index + 1
+print("} CRExtendOpcode;\n")
+print("#endif /* CR_OPCODES_H */")