print('\tGLenum extend_opcode = %s;' % ReadData(4, 'GLenum'))
print('')
print('#ifdef CR_UNPACK_DEBUG_PREV_OPCODES')
print('\tg_VBoxDbgCrPrevExtendOpcode = extend_opcode;')
print('#endif')
print('')
print('\t/*crDebug(\"Unpacking extended opcode \%d", extend_opcode);*/')
print('\tswitch( extend_opcode )')
print('\t{')
#
# Emit switch statement for extended opcodes
#
for func_name in keys:
if "extpack" in apiutil.ChromiumProps(func_name):
print('\t\tcase %s:' % apiutil.ExtendedOpcodeName(func_name))
# print('\t\t\t\tcrDebug("Unpack: %s");' % apiutil.ExtendedOpcodeName( func_name )))
print('\t\t\tcrUnpackExtend%s(pState);' % func_name)
print('\t\t\tbreak;')
print(""" default:
crError( "Unknown extended opcode: %d", (int) extend_opcode );
break;
}
INCR_VAR_PTR(pState);
}""")
print('static void crUnpackExtendDbg(PCrUnpackerState pState)')
print('{')
print('\tCHECK_BUFFER_SIZE_STATIC_LAST(pState, 4, GLenum);')
print('\tGLenum extend_opcode = %s;' % ReadData(4, 'GLenum'))
print '}\n'
print 'static void crUnpackExtend(void)'
print '{'
print '\tGLenum extend_opcode = %s;' % ReadData(4, 'GLenum')
print ''
print '\t/*crDebug(\"Unpacking extended opcode \%d", extend_opcode);*/'
print '\tswitch( extend_opcode )'
print '\t{'
#
# Emit switch statement for extended opcodes
#
for func_name in keys:
if "extpack" in apiutil.ChromiumProps(func_name):
print '\t\tcase %s:' % apiutil.ExtendedOpcodeName(func_name)
# print '\t\t\t\tcrDebug("Unpack: %s");' % apiutil.ExtendedOpcodeName( func_name )
print '\t\t\tcrUnpackExtend%s( );' % func_name
print '\t\t\tbreak;'
print """ default:
crError( "Unknown extended opcode: %d", (int) extend_opcode );
break;
}
INCR_VAR_PTR();
}"""
print 'static void crUnpackExtendDbg(void)'
print '{'
print '\tGLenum extend_opcode = %s;' % ReadData(4, 'GLenum')
print ''
def PrintFunc(func_name, params, is_swapped, can_have_pointers):
"""Emit a packer function."""
if is_swapped:
print('void PACK_APIENTRY crPack%sSWAP(%s)' %
(func_name,
apiutil.MakeDeclarationStringWithContext(
'CR_PACKER_CONTEXT', params)))
else:
print('void PACK_APIENTRY crPack%s(%s)' %
(func_name,
apiutil.MakeDeclarationStringWithContext(
'CR_PACKER_CONTEXT', params)))
print('{')
print('\tCR_GET_PACKER_CONTEXT(pc);')
# Save original function name
orig_func_name = func_name
# Convert to a non-vector version of the function if possible
func_name = apiutil.NonVectorFunction(func_name)
if not func_name:
func_name = orig_func_name
# Check if there are any pointer parameters.
# That's usually a problem so we'll emit an error function.
nonVecParams = apiutil.Parameters(func_name)
bail_out = 0
for (name, type, vecSize) in nonVecParams:
if apiutil.IsPointer(type) and vecSize == 0 and not can_have_pointers:
bail_out = 1
if bail_out:
for (name, type, vecSize) in nonVecParams:
print('\t(void)%s;' % (name))
print('\tcrError ( "%s needs to be special cased %d %d!");' %
(func_name, vecSize, can_have_pointers))
print('\t(void) pc;')
print('}')
# XXX we should really abort here
return
if "extpack" in apiutil.ChromiumProps(func_name):
is_extended = 1
else:
is_extended = 0
print("\tunsigned char *data_ptr;")
print('\t(void) pc;')
#if func_name == "Enable" or func_name == "Disable":
# print "\tCRASSERT(!pc->buffer.geometry_only); /* sanity check */"
for index in range(0, len(params)):
(name, type, vecSize) = params[index]
if vecSize > 0 and func_name != orig_func_name:
print(" if (!%s) {" % name)
# Know the reason for this one, so avoid the spam.
if orig_func_name != "SecondaryColor3fvEXT":
print(" crDebug(\"App passed NULL as %s for %s\");" %
(name, orig_func_name))
print(" return;")
print(" }")
packet_length = apiutil.PacketLength(nonVecParams)
if packet_length == 0 and not is_extended:
print("\tCR_GET_BUFFERED_POINTER_NO_ARGS(pc);")
elif func_name[:9] == "Translate" or func_name[:5] == "Color":
# XXX WTF is the purpose of this?
if is_extended:
packet_length += 8
print("\tCR_GET_BUFFERED_POINTER_NO_BEGINEND_FLUSH(pc, %d, GL_TRUE);" %
packet_length)
else:
if is_extended:
packet_length += 8
print("\tCR_GET_BUFFERED_POINTER(pc, %d);" % packet_length)
UpdateCurrentPointer(func_name)
if is_extended:
counter = 8
print(WriteData(0, 'GLint', packet_length, is_swapped))
print(
WriteData(4, 'GLenum', apiutil.ExtendedOpcodeName(func_name),
is_swapped))
else:
counter = 0
# Now emit the WRITE_() macros for all parameters
for index in range(0, len(params)):
(name, type, vecSize) = params[index]
# if we're converting a vector-valued function to a non-vector func:
if vecSize > 0 and func_name != orig_func_name:
ptrType = apiutil.PointerType(type)
for i in range(0, vecSize):
print(
WriteData(counter + i * apiutil.sizeof(ptrType), ptrType,
"%s[%d]" % (name, i), is_swapped))
# XXX increment counter here?
else:
print(WriteData(counter, type, name, is_swapped))
if apiutil.IsPointer(type):
counter += apiutil.PointerSize()
else:
counter += apiutil.sizeof(type)
# finish up
if is_extended:
print("\tWRITE_OPCODE(pc, CR_EXTEND_OPCODE);")
else:
print("\tWRITE_OPCODE(pc, %s);" % apiutil.OpcodeName(func_name))
if "get" in apiutil.Properties(func_name):
print('\tCR_CMDBLOCK_CHECK_FLUSH(pc);')
print('\tCR_UNLOCK_PACKER_CONTEXT(pc);')
print('}\n')
return_type = apiutil.ReturnType(func_name)
params = apiutil.Parameters(func_name)
print 'static void crUnpackExtend%s(void)' % func_name
print '{'
MakeNormalCall(return_type, func_name, params, 8)
print '}\n'
print 'static void crUnpackExtend(void)'
print '{'
print '\tGLenum extend_opcode = %s;' % ReadData(4, 'GLenum')
print ''
print '\t/*crDebug(\"Unpacking extended opcode \%d", extend_opcode);*/'
print '\tswitch( extend_opcode )'
print '\t{'
#
# Emit switch statement for extended opcodes
#
for func_name in keys:
if "extpack" in apiutil.ChromiumProps(func_name):
print '\t\tcase %s:' % apiutil.ExtendedOpcodeName(func_name)
print '\t\t\tcrUnpackExtend%s( );' % func_name
print '\t\t\tbreak;'
print """ default:
crError( "Unknown extended opcode: %d", (int) extend_opcode );
break;
}
INCR_VAR_PTR();
}"""
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 "\tCR_EXTEND_OPCODE=%d" % enum_index
print "} CROpcode;\n"
# count up number of extended opcode commands
num_extends = 0
for func in keys:
if "extpack" in apiutil.ChromiumProps(func):
num_extends += 1
print "/* Functions with a return value or output parameters */"
print "typedef enum {"
enum_index = 0
for func in keys:
if "extpack" in apiutil.ChromiumProps(func):
opcodeName = apiutil.ExtendedOpcodeName(func)
if enum_index != num_extends - 1:
print "\t%s = %d," % (opcodeName, enum_index)
else:
print "\t%s = %d" % (opcodeName, enum_index)
enum_index = enum_index + 1
print "} CRExtendOpcode;\n"
print "#endif /* CR_OPCODES_H */"