-#!/usr/bin/python2
+#!/usr/bin/env python
# (C) Copyright IBM Corporation 2004, 2005
# All Rights Reserved.
import sys, getopt, string
-class glXItemFactory(gl_XML.glItemFactory):
- """Factory to create GLX protocol oriented objects derived from glItem."""
+class glx_item_factory(gl_XML.gl_item_factory):
+ """Factory to create GLX protocol oriented objects derived from gl_item."""
- def create(self, context, name, attrs):
+ def create_item(self, name, element, context):
if name == "function":
- return glXFunction(context, name, attrs)
+ return glx_function(element, context)
elif name == "enum":
- return glXEnum(context, name, attrs)
- elif name == "param":
- return glXParameter(context, name, attrs)
+ return glx_enum(element, context)
+ elif name == "api":
+ return glx_api(self)
else:
- return gl_XML.glItemFactory.create(self, context, name, attrs)
+ return gl_XML.gl_item_factory.create_item(self, name, element, context)
-class glXEnumFunction:
- def __init__(self, name, context):
- self.name = name
- self.context = context
- self.mode = 0
- self.sig = None
- # "enums" is a set of lists. The element in the set is the
- # value of the enum. The list is the list of names for that
- # value. For example, [0x8126] = {"POINT_SIZE_MIN",
- # "POINT_SIZE_MIN_ARB", "POINT_SIZE_MIN_EXT",
- # "POINT_SIZE_MIN_SGIS"}.
-
- self.enums = {}
-
- # "count" is indexed by count values. Each element of count
- # is a list of index to "enums" that have that number of
- # associated data elements. For example, [4] =
- # {GL_AMBIENT, GL_DIFFUSE, GL_SPECULAR, GL_EMISSION,
- # GL_AMBIENT_AND_DIFFUSE} (the enum names are used here,
- # but the actual hexadecimal values would be in the array).
-
- self.count = {}
-
-
- def append(self, count, value, name):
- if self.enums.has_key( value ):
- self.enums[value].append(name)
- else:
- if not self.count.has_key(count):
- self.count[count] = []
-
- self.enums[value] = []
- self.enums[value].append(name)
- self.count[count].append(value)
-
-
- def signature( self ):
- if self.sig == None:
- self.sig = ""
- for i in self.count:
- self.count[i].sort()
- for e in self.count[i]:
- self.sig += "%04x,%u," % (e, i)
-
- return self.sig
-
-
- def set_mode( self, mode ):
- """Mark an enum-function as a 'set' function."""
-
- self.mode = mode
-
-
- def is_set( self ):
- return self.mode
-
-
- def PrintUsingTable(self):
- """Emit the body of the __gl*_size function using a pair
- of look-up tables and a mask. The mask is calculated such
- that (e & mask) is unique for all the valid values of e for
- this function. The result of (e & mask) is used as an index
- into the first look-up table. If it matches e, then the
- same entry of the second table is returned. Otherwise zero
- is returned.
+class glx_enum(gl_XML.gl_enum):
+ def __init__(self, element, context):
+ gl_XML.gl_enum.__init__(self, element, context)
- It seems like this should cause better code to be generated.
- However, on x86 at least, the resulting .o file is about 20%
- larger then the switch-statment version. I am leaving this
- code in because the results may be different on other
- platforms (e.g., PowerPC or x86-64)."""
-
- return 0
- count = 0
- for a in self.enums:
- count += 1
-
- if self.count.has_key(-1):
- return 0
-
- # Determine if there is some mask M, such that M = (2^N) - 1,
- # that will generate unique values for all of the enums.
-
- mask = 0
- for i in [1, 2, 3, 4, 5, 6, 7, 8]:
- mask = (1 << i) - 1
-
- fail = 0;
- for a in self.enums:
- for b in self.enums:
- if a != b:
- if (a & mask) == (b & mask):
- fail = 1;
-
- if not fail:
- break;
- else:
- mask = 0
-
- if (mask != 0) and (mask < (2 * count)):
- masked_enums = {}
- masked_count = {}
-
- for i in range(0, mask + 1):
- masked_enums[i] = "0";
- masked_count[i] = 0;
-
- for c in self.count:
- for e in self.count[c]:
- i = e & mask
- masked_enums[i] = '0x%04x /* %s */' % (e, self.enums[e][0])
- masked_count[i] = c
-
-
- print ' static const GLushort a[%u] = {' % (mask + 1)
- for e in masked_enums:
- print ' %s, ' % (masked_enums[e])
- print ' };'
-
- print ' static const GLubyte b[%u] = {' % (mask + 1)
- for c in masked_count:
- print ' %u, ' % (masked_count[c])
- print ' };'
+ self.functions = {}
+
+ child = element.children
+ while child:
+ if child.type == "element" and child.name == "size":
+ n = child.nsProp( "name", None )
+ c = child.nsProp( "count", None )
+ m = child.nsProp( "mode", None )
+
+ if not c:
+ c = self.default_count
+ else:
+ c = int(c)
- print ' const unsigned idx = (e & 0x%02xU);' % (mask)
- print ''
- print ' return (e == a[idx]) ? (GLint) b[idx] : 0;'
- return 1;
- else:
- return 0;
-
- def PrintUsingSwitch(self, name):
- """Emit the body of the __gl*_size function using a
- switch-statement."""
-
- print ' switch( e ) {'
-
- for c in self.count:
- for e in self.count[c]:
- first = 1
-
- # There may be multiple enums with the same
- # value. This happens has extensions are
- # promoted from vendor-specific or EXT to
- # ARB and to the core. Emit the first one as
- # a case label, and emit the others as
- # commented-out case labels.
-
- for j in self.enums[e]:
- if first:
- print ' case %s:' % (j)
- first = 0
- else:
- print '/* case %s:*/' % (j)
-
- if c == -1:
- print ' return __gl%s_variable_size( e );' % (name)
- else:
- print ' return %u;' % (c)
-
- print ' default: return 0;'
- print ' }'
+ if m == "get":
+ mode = 0
+ else:
+ mode = 1
+ if not self.functions.has_key(n):
+ self.functions[ n ] = [c, mode]
- def Print(self, name):
- print 'INTERNAL PURE FASTCALL GLint'
- print '__gl%s_size( GLenum e )' % (name)
- print '{'
+ child = child.next
- if not self.PrintUsingTable():
- self.PrintUsingSwitch(name)
+ return
- print '}'
- print ''
+class glx_function(gl_XML.gl_function):
+ def __init__(self, element, context):
+ self.glx_rop = 0
+ self.glx_sop = 0
+ self.glx_vendorpriv = 0
+ self.glx_vendorpriv_names = []
-class glXEnum(gl_XML.glEnum):
- def __init__(self, context, name, attrs):
- gl_XML.glEnum.__init__(self, context, name, attrs)
+ # If this is set to true, it means that GLdouble parameters should be
+ # written to the GLX protocol packet in the order they appear in the
+ # prototype. This is different from the "classic" ordering. In the
+ # classic ordering GLdoubles are written to the protocol packet first,
+ # followed by non-doubles. NV_vertex_program was the first extension
+ # to break with this tradition.
+ self.glx_doubles_in_order = 0
- def startElementNS(self, name, qname, attrs):
- [uri, true_name] = name
- if true_name == "size":
- [temp_n, c, mode] = self.process_attributes(attrs)
+ self.vectorequiv = None
+ self.output = None
+ self.can_be_large = 0
+ self.reply_always_array = 0
+ self.dimensions_in_reply = 0
+ self.img_reset = None
- if temp_n == "Get":
- names = ["GetIntegerv", "GetBooleanv", "GetFloatv", "GetDoublev" ]
- else:
- names = [ temp_n ]
+ self.server_handcode = 0
+ self.client_handcode = 0
+ self.ignore = 0
- for n in names:
- if not self.context.glx_enum_functions.has_key( n ):
- f = self.context.createEnumFunction( n )
- f.set_mode( mode )
- self.context.glx_enum_functions[ f.name ] = f
+ self.count_parameter_list = []
+ self.counter_list = []
+ self.parameters_by_name = {}
+ self.offsets_calculated = 0
- self.context.glx_enum_functions[ n ].append( c, self.value, self.name )
- else:
- gl_XML.glEnum.startElementNS(self, name, qname, attrs)
+ gl_XML.gl_function.__init__(self, element, context)
return
-class glXParameter(gl_XML.glParameter):
- def __init__(self, context, name, attrs):
- self.order = 1;
- gl_XML.glParameter.__init__(self, context, name, attrs);
-
-
-class glXParameterIterator:
- """Class to iterate over a list of glXParameters.
-
- Objects of this class are returned by the parameterIterator method of
- the glXFunction class. They are used to iterate over the list of
- parameters to the function."""
-
- def __init__(self, data, skip_output, max_order):
- self.data = data
- self.index = 0
- self.order = 0
- self.skip_output = skip_output
- self.max_order = max_order
-
- def __iter__(self):
- return self
-
- def next(self):
- if len( self.data ) == 0:
- raise StopIteration
-
- while 1:
- if self.index == len( self.data ):
- if self.order == self.max_order:
- raise StopIteration
+ def process_element(self, element):
+ gl_XML.gl_function.process_element(self, element)
+
+ # If the function already has a vector equivalent set, don't
+ # set it again. This can happen if an alias to a function
+ # appears after the function that it aliases.
+
+ if not self.vectorequiv:
+ self.vectorequiv = element.nsProp("vectorequiv", None)
+
+
+ name = element.nsProp("name", None)
+ if name == self.name:
+ for param in self.parameters:
+ self.parameters_by_name[ param.name ] = param
+
+ if len(param.count_parameter_list):
+ self.count_parameter_list.extend( param.count_parameter_list )
+
+ if param.counter and param.counter not in self.counter_list:
+ self.counter_list.append(param.counter)
+
+
+ child = element.children
+ while child:
+ if child.type == "element" and child.name == "glx":
+ rop = child.nsProp( 'rop', None )
+ sop = child.nsProp( 'sop', None )
+ vop = child.nsProp( 'vendorpriv', None )
+
+ if rop:
+ self.glx_rop = int(rop)
+
+ if sop:
+ self.glx_sop = int(sop)
+
+ if vop:
+ self.glx_vendorpriv = int(vop)
+ self.glx_vendorpriv_names.append(name)
+
+ self.img_reset = child.nsProp( 'img_reset', None )
+
+ # The 'handcode' attribute can be one of 'true',
+ # 'false', 'client', or 'server'.
+
+ handcode = child.nsProp( 'handcode', None )
+ if handcode == "false":
+ self.server_handcode = 0
+ self.client_handcode = 0
+ elif handcode == "true":
+ self.server_handcode = 1
+ self.client_handcode = 1
+ elif handcode == "client":
+ self.server_handcode = 0
+ self.client_handcode = 1
+ elif handcode == "server":
+ self.server_handcode = 1
+ self.client_handcode = 0
else:
- self.order += 1
- self.index = 0
+ raise RuntimeError('Invalid handcode mode "%s" in function "%s".' % (handcode, self.name))
- i = self.index
- self.index += 1
+ self.ignore = gl_XML.is_attr_true( child, 'ignore' )
+ self.can_be_large = gl_XML.is_attr_true( child, 'large' )
+ self.glx_doubles_in_order = gl_XML.is_attr_true( child, 'doubles_in_order' )
+ self.reply_always_array = gl_XML.is_attr_true( child, 'always_array' )
+ self.dimensions_in_reply = gl_XML.is_attr_true( child, 'dimensions_in_reply' )
- if self.data[i].order == self.order and not (self.data[i].is_output and self.skip_output):
- return self.data[i]
+ child = child.next
-class glXFunction(gl_XML.glFunction):
- glx_rop = 0
- glx_sop = 0
- glx_vendorpriv = 0
+ # Do some validation of the GLX protocol information. As
+ # new tests are discovered, they should be added here.
- # If this is set to true, it means that GLdouble parameters should be
- # written to the GLX protocol packet in the order they appear in the
- # prototype. This is different from the "classic" ordering. In the
- # classic ordering GLdoubles are written to the protocol packet first,
- # followed by non-doubles. NV_vertex_program was the first extension
- # to break with this tradition.
+ for param in self.parameters:
+ if param.is_output and self.glx_rop != 0:
+ raise RuntimeError("Render / RenderLarge commands cannot have outputs (%s)." % (self.name))
- glx_doubles_in_order = 0
+ return
- vectorequiv = None
- can_be_large = 0
- def __init__(self, context, name, attrs):
- self.vectorequiv = attrs.get((None, 'vectorequiv'), None)
- self.counter = None
- self.output = None
- self.can_be_large = 0
- self.reply_always_array = 0
- self.dimensions_in_reply = 0
- self.img_reset = None
-
- self.server_handcode = 0
- self.client_handcode = 0
- self.ignore = 0
+ def has_variable_size_request(self):
+ """Determine if the GLX request packet is variable sized.
- gl_XML.glFunction.__init__(self, context, name, attrs)
- return
+ The GLX request packet is variable sized in several common
+ situations.
+
+ 1. The function has a non-output parameter that is counted
+ by another parameter (e.g., the 'textures' parameter of
+ glDeleteTextures).
+
+ 2. The function has a non-output parameter whose count is
+ determined by another parameter that is an enum (e.g., the
+ 'params' parameter of glLightfv).
+
+ 3. The function has a non-output parameter that is an
+ image.
+
+ 4. The function must be hand-coded on the server.
+ """
+
+ if self.glx_rop == 0:
+ return 0
+ if self.server_handcode or self.images:
+ return 1
- def parameterIterator(self, skip_output, max_order):
- return glXParameterIterator(self.fn_parameters, skip_output, max_order)
+ for param in self.parameters:
+ if not param.is_output:
+ if param.counter or len(param.count_parameter_list):
+ return 1
-
- def startElementNS(self, name, qname, attrs):
- """Process elements within a function that are specific to GLX."""
-
- [uri, true_name] = name
- if true_name == "glx":
- self.glx_rop = int(attrs.get((None, 'rop'), "0"))
- self.glx_sop = int(attrs.get((None, 'sop'), "0"))
- self.glx_vendorpriv = int(attrs.get((None, 'vendorpriv'), "0"))
- self.img_reset = attrs.get((None, 'img_reset'), None)
-
- # The 'handcode' attribute can be one of 'true',
- # 'false', 'client', or 'server'.
-
- handcode = attrs.get((None, 'handcode'), "false")
- if handcode == "false":
- self.server_handcode = 0
- self.client_handcode = 0
- elif handcode == "true":
- self.server_handcode = 1
- self.client_handcode = 1
- elif handcode == "client":
- self.server_handcode = 0
- self.client_handcode = 1
- elif handcode == "server":
- self.server_handcode = 1
- self.client_handcode = 0
- else:
- raise RuntimeError('Invalid handcode mode "%s" in function "%s".' % (handcode, self.name))
+ return 0
- self.ignore = gl_XML.is_attr_true( attrs, 'ignore' )
- self.can_be_large = gl_XML.is_attr_true( attrs, 'large' )
- self.glx_doubles_in_order = gl_XML.is_attr_true( attrs, 'doubles_in_order' )
- self.reply_always_array = gl_XML.is_attr_true( attrs, 'always_array' )
- self.dimensions_in_reply = gl_XML.is_attr_true( attrs, 'dimensions_in_reply' )
- else:
- gl_XML.glFunction.startElementNS(self, name, qname, attrs)
+ def variable_length_parameter(self):
+ for param in self.parameters:
+ if not param.is_output:
+ if param.counter or len(param.count_parameter_list):
+ return param
+
+ return None
- def endElementNS(self, name, qname):
- [uri, true_name] = name
- if true_name == "function":
- # Mark any function that does not have GLX protocol
- # defined as "ignore". This prevents bad things from
- # happening when people add new functions to the GL
- # API XML without adding any GLX section.
- #
- # This will also mark functions that don't have a
- # dispatch offset at ignored.
- if (self.fn_offset == -1 and not self.fn_alias) or not (self.client_handcode or self.server_handcode or self.glx_rop or self.glx_sop or self.glx_vendorpriv or self.vectorequiv or self.fn_alias):
- #if not self.ignore:
- # if self.fn_offset == -1:
- # print '/* %s ignored becuase no offset assigned. */' % (self.name)
- # else:
- # print '/* %s ignored becuase no GLX opcode assigned. */' % (self.name)
+ def calculate_offsets(self):
+ if not self.offsets_calculated:
+ # Calculate the offset of the first function parameter
+ # in the GLX command packet. This byte offset is
+ # measured from the end of the Render / RenderLarge
+ # header. The offset for all non-pixel commends is
+ # zero. The offset for pixel commands depends on the
+ # number of dimensions of the pixel data.
- self.ignore = 1
+ if len(self.images) and not self.images[0].is_output:
+ [dim, junk, junk, junk, junk] = self.images[0].get_dimensions()
- return gl_XML.glFunction.endElementNS(self, name, qname)
+ # The base size is the size of the pixel pack info
+ # header used by images with the specified number
+ # of dimensions.
+ if dim <= 2:
+ offset = 20
+ elif dim <= 4:
+ offset = 36
+ else:
+ raise RuntimeError('Invalid number of dimensions %u for parameter "%s" in function "%s".' % (dim, self.image.name, self.name))
+ else:
+ offset = 0
- def append(self, tag_name, p):
- gl_XML.glFunction.append(self, tag_name, p)
+ for param in self.parameterIterateGlxSend():
+ if param.img_null_flag:
+ offset += 4
- if p.is_variable_length_array():
- p.order = 2;
- elif not self.glx_doubles_in_order and p.p_type.size == 8:
- p.order = 0;
+ if param.name != self.img_reset:
+ param.offset = offset
+ if not param.is_variable_length() and not param.is_client_only:
+ offset += param.size()
+
+ if self.pad_after( param ):
+ offset += 4
- if p.is_counter:
- self.counter = p.name
-
- if p.is_output:
- self.output = p
+ self.offsets_calculated = 1
return
- def variable_length_parameter(self):
- if len(self.variable_length_parameters):
- return self.variable_length_parameters[0]
+ def offset_of(self, param_name):
+ self.calculate_offsets()
+ return self.parameters_by_name[ param_name ].offset
- return None
+ def parameterIterateGlxSend(self, include_variable_parameters = 1):
+ """Create an iterator for parameters in GLX request order."""
- def output_parameter(self):
- for param in self.fn_parameters:
- if param.is_output:
- return param
+ # The parameter lists are usually quite short, so it's easier
+ # (i.e., less code) to just generate a new list with the
+ # required elements than it is to create a new iterator class.
+
+ temp = [ [], [], [] ]
+ for param in self.parameters:
+ if param.is_output: continue
+
+ if param.is_variable_length():
+ temp[2].append( param )
+ elif not self.glx_doubles_in_order and param.is_64_bit():
+ temp[0].append( param )
+ else:
+ temp[1].append( param )
- return None
+ parameters = temp[0]
+ parameters.extend( temp[1] )
+ if include_variable_parameters:
+ parameters.extend( temp[2] )
+ return parameters.__iter__()
- def offset_of_first_parameter(self):
- """Get the offset of the first parameter in the command.
+ def parameterIterateCounters(self):
+ temp = []
+ for name in self.counter_list:
+ temp.append( self.parameters_by_name[ name ] )
- Gets the offset of the first function parameter in the GLX
- command packet. This byte offset is measured from the end
- of the Render / RenderLarge header. The offset for all non-
- pixel commends is zero. The offset for pixel commands depends
- on the number of dimensions of the pixel data."""
+ return temp.__iter__()
- if self.image and not self.image.is_output:
- [dim, junk, junk, junk, junk] = self.dimensions()
- # The base size is the size of the pixel pack info
- # header used by images with the specified number
- # of dimensions.
+ def parameterIterateOutputs(self):
+ temp = []
+ for p in self.parameters:
+ if p.is_output:
+ temp.append( p )
- if dim <= 2:
- return 20
- elif dim <= 4:
- return 36
- else:
- raise RuntimeError('Invalid number of dimensions %u for parameter "%s" in function "%s".' % (dim, self.image.name, self.name))
- else:
- return 0
+ return temp
def command_fixed_length(self):
"""Return the length, in bytes as an integer, of the
fixed-size portion of the command."""
- size = self.offset_of_first_parameter()
+ if len(self.parameters) == 0:
+ return 0
+
+ self.calculate_offsets()
- for p in gl_XML.glFunction.parameterIterator(self):
- if not p.is_output and p.name != self.img_reset:
- size += p.size()
- if self.pad_after(p):
+ size = 0
+ for param in self.parameterIterateGlxSend(0):
+ if param.name != self.img_reset and not param.is_client_only:
+ if size == 0:
+ size = param.offset + param.size()
+ else:
+ size += param.size()
+
+ if self.pad_after( param ):
size += 4
- if self.image and (self.image.img_null_flag or self.image.is_output):
- size += 4
+ for param in self.images:
+ if param.img_null_flag or param.is_output:
+ size += 4
return size
portion of the command."""
size_string = ""
- for p in gl_XML.glFunction.parameterIterator(self):
- if (not p.is_output) and (p.size() == 0):
- size_string = size_string + " + __GLX_PAD(%s)" % (p.size_string())
+ for p in self.parameterIterateGlxSend():
+ if (not p.is_output) and (p.is_variable_length() or p.is_image()):
+ # FIXME Replace the 1 in the size_string call
+ # FIXME w/0 to eliminate some un-needed parnes
+ # FIXME This would already be done, but it
+ # FIXME adds some extra diffs to the generated
+ # FIXME code.
+
+ size_string = size_string + " + __GLX_PAD(%s)" % (p.size_string(1))
return size_string
else:
return self.opcode_value()
+
def opcode_value(self):
"""Get the unique protocol opcode for the glXFunction"""
+ if (self.glx_rop == 0) and self.vectorequiv:
+ equiv = self.context.functions_by_name[ self.vectorequiv ]
+ self.glx_rop = equiv.glx_rop
+
+
if self.glx_rop != 0:
return self.glx_rop
elif self.glx_sop != 0:
else:
return -1
+
def opcode_rop_basename(self):
"""Return either the name to be used for GLX protocol enum.
else:
return self.vectorequiv
+
def opcode_name(self):
"""Get the unique protocol enum name for the glXFunction"""
+ if (self.glx_rop == 0) and self.vectorequiv:
+ equiv = self.context.functions_by_name[ self.vectorequiv ]
+ self.glx_rop = equiv.glx_rop
+ self.glx_doubles_in_order = equiv.glx_doubles_in_order
+
+
if self.glx_rop != 0:
return "X_GLrop_%s" % (self.opcode_rop_basename())
elif self.glx_sop != 0:
raise RuntimeError('Function "%s" has no opcode.' % (self.name))
+ def opcode_vendor_name(self, name):
+ if name in self.glx_vendorpriv_names:
+ return "X_GLvop_%s" % (name)
+ else:
+ raise RuntimeError('Function "%s" has no VendorPrivate opcode.' % (name))
+
+
def opcode_real_name(self):
"""Get the true protocol enum name for the GLX opcode
return self.opcode_name()
- def return_string(self):
- if self.fn_return_type != 'void':
- return "return retval;"
- else:
- return "return;"
-
-
def needs_reply(self):
- return self.fn_return_type != 'void' or self.output != None
-
+ try:
+ x = self._needs_reply
+ except Exception, e:
+ x = 0
+ if self.return_type != 'void':
+ x = 1
- def dimensions(self):
- """Determine the dimensions of an image.
-
- Returns a tuple representing the number of dimensions and the
- string name of each of the dimensions of an image, If the
- function is not a pixel function, the number of dimensions
- will be zero."""
-
- if not self.image:
- return [0, "0", "0", "0", "0"]
- else:
- dim = 1
- w = self.image.width
+ for param in self.parameters:
+ if param.is_output:
+ x = 1
+ break
- if self.image.height:
- dim = 2
- h = self.image.height
- else:
- h = "1"
-
- if self.image.depth:
- dim = 3
- d = self.image.depth
- else:
- d = "1"
-
- if self.image.extent:
- dim = 4
- e = self.image.extent
- else:
- e = "1"
+ self._needs_reply = x
- return [dim, w, h, d, e]
+ return x
def pad_after(self, p):
"""Returns the name of the field inserted after the
specified field to pad out the command header."""
- if self.image and self.image.img_pad_dimensions:
- if not self.image.height:
- if p.name == self.image.width:
- return "height"
- elif p.name == self.image.img_xoff:
- return "yoffset"
- elif not self.image.extent:
- if p.name == self.image.depth:
- # Should this be "size4d"?
- return "extent"
- elif p.name == self.image.img_zoff:
- return "woffset"
+ for image in self.images:
+ if image.img_pad_dimensions:
+ if not image.height:
+ if p.name == image.width:
+ return "height"
+ elif p.name == image.img_xoff:
+ return "yoffset"
+ elif not image.extent:
+ if p.name == image.depth:
+ # Should this be "size4d"?
+ return "extent"
+ elif p.name == image.img_zoff:
+ return "woffset"
+
return None
-class glXFunctionIterator(gl_XML.glFunctionIterator):
- """Class to iterate over a list of glXFunctions"""
+ def has_different_protocol(self, name):
+ """Returns true if the named version of the function uses different protocol from the other versions.
+
+ Some functions, such as glDeleteTextures and
+ glDeleteTexturesEXT are functionally identical, but have
+ different protocol. This function returns true if the
+ named function is an alias name and that named version uses
+ different protocol from the function that is aliased.
+ """
- def __init__(self, context):
- self.context = context
- self.keys = context.functions.keys()
- self.keys.sort()
+ return (name in self.glx_vendorpriv_names) and self.glx_sop
- for self.index in range(0, len(self.keys)):
- if self.keys[ self.index ] >= 0: break
- return
+ def static_glx_name(self, name):
+ if self.has_different_protocol(name):
+ for n in self.glx_vendorpriv_names:
+ if n in self.static_entry_points:
+ return n
+
+ return self.static_name(name)
- def next(self):
- if self.index == len(self.keys):
- raise StopIteration
+ def client_supported_for_indirect(self):
+ """Returns true if the function is supported on the client
+ side for indirect rendering."""
- f = self.context.functions[ self.keys[ self.index ] ]
- self.index += 1
+ return not self.ignore and (self.offset != -1) and (self.glx_rop or self.glx_sop or self.glx_vendorpriv or self.vectorequiv or self.client_handcode)
- if f.ignore:
- return self.next()
- else:
- return f
+class glx_function_iterator:
+ """Class to iterate over a list of glXFunctions"""
-class GlxProto(gl_XML.FilterGLAPISpecBase):
- name = "glX_proto_send.py (from Mesa)"
-
- def __init__(self):
- gl_XML.FilterGLAPISpecBase.__init__(self)
- self.factory = glXItemFactory()
- self.glx_enum_functions = {}
-
-
- def endElementNS(self, name, qname):
- [uri, true_name] = name
- if true_name == 'OpenGLAPI':
- # Once all the parsing is done, we have to go back and
- # fix-up some cross references between different
- # functions.
-
- for k in self.functions:
- f = self.functions[k]
- if f.vectorequiv != None:
- equiv = self.find_function(f.vectorequiv)
- if equiv != None:
- f.glx_doubles_in_order = equiv.glx_doubles_in_order
- f.glx_rop = equiv.glx_rop
- else:
- raise RuntimeError("Could not find the vector equiv. function %s for %s!" % (f.name, f.vectorequiv))
- else:
- gl_XML.FilterGLAPISpecBase.endElementNS(self, name, qname)
+ def __init__(self, context):
+ self.iterator = context.functionIterateByOffset()
return
- def createEnumFunction(self, n):
- return glXEnumFunction(n, self)
-
-
- def functionIterator(self):
- return glXFunctionIterator(self)
-
-
- def size_call(self, func):
- """Create C code to calculate 'compsize'.
+ def __iter__(self):
+ return self
- Creates code to calculate 'compsize'. If the function does
- not need 'compsize' to be calculated, None will be
- returned."""
- if not func.image and not func.count_parameter_list:
- return None
+ def next(self):
+ f = self.iterator.next()
- if not func.image:
- parameters = string.join( func.count_parameter_list, "," )
- compsize = "__gl%s_size(%s)" % (func.name, parameters)
+ if f.client_supported_for_indirect():
+ return f
else:
- [dim, w, h, d, junk] = func.dimensions()
+ return self.next()
+
- compsize = '__glImageSize(%s, %s, %s, %s, %s, %s)' % (w, h, d, func.image.img_format, func.image.img_type, func.image.img_target)
- if not func.image.img_send_null:
- compsize = '(%s != NULL) ? %s : 0' % (func.image.name, compsize)
+class glx_api(gl_XML.gl_api):
+ def functionIterateGlx(self):
+ return glx_function_iterator(self)
- return compsize
projects / mesa.git / blobdiff