diff options
Diffstat (limited to 'src/mesa/glapi/glX_XML.py')
| -rw-r--r-- | src/mesa/glapi/glX_XML.py | 72 |
1 files changed, 71 insertions, 1 deletions
diff --git a/src/mesa/glapi/glX_XML.py b/src/mesa/glapi/glX_XML.py index 44f945a9ee4..35341320537 100644 --- a/src/mesa/glapi/glX_XML.py +++ b/src/mesa/glapi/glX_XML.py @@ -263,6 +263,42 @@ class glXParameter(gl_XML.glParameter): 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 + else: + self.order += 1 + self.index = 0 + + i = self.index + self.index += 1 + + if self.data[i].order == self.order and not (self.data[i].is_output and self.skip_output): + return self.data[i] + + class glXFunction(gl_XML.glFunction): glx_rop = 0 glx_sop = 0 @@ -293,6 +329,11 @@ class glXFunction(gl_XML.glFunction): gl_XML.glFunction.__init__(self, context, name, attrs) return + + def parameterIterator(self, skip_output, max_order): + return glXParameterIterator(self.fn_parameters, skip_output, max_order) + + def startElement(self, name, attrs): """Process elements within a function that are specific to GLX.""" @@ -360,7 +401,7 @@ class glXFunction(gl_XML.glFunction): def command_payload_length(self): size = 0 size_string = "" - for p in self: + for p in gl_XML.glFunction.parameterIterator(self): if p.is_output: continue temp = p.size_string() try: @@ -382,6 +423,16 @@ class glXFunction(gl_XML.glFunction): def opcode_real_value(self): + """Get the true numeric value of the GLX opcode + + Behaves similarly to opcode_value, except for + X_GLXVendorPrivate and X_GLXVendorPrivateWithReply commands. + In these cases the value for the GLX opcode field (i.e., + 16 for X_GLXVendorPrivate or 17 for + X_GLXVendorPrivateWithReply) is returned. For other 'single' + commands, the opcode for the command (e.g., 101 for + X_GLsop_NewList) is returned.""" + if self.glx_vendorpriv != 0: if self.needs_reply(): return 17 @@ -391,6 +442,8 @@ class glXFunction(gl_XML.glFunction): return self.opcode_value() def opcode_value(self): + """Get the unique protocol opcode for the glXFunction""" + if self.glx_rop != 0: return self.glx_rop elif self.glx_sop != 0: @@ -401,12 +454,20 @@ class glXFunction(gl_XML.glFunction): return -1 def opcode_rop_basename(self): + """Return either the name to be used for GLX protocol enum. + + Returns either the name of the function or the name of the + name of the equivalent vector (e.g., glVertex3fv for + glVertex3f) function.""" + if self.vectorequiv == None: return self.name else: return self.vectorequiv def opcode_name(self): + """Get the unique protocol enum name for the glXFunction""" + if self.glx_rop != 0: return "X_GLrop_%s" % (self.opcode_rop_basename()) elif self.glx_sop != 0: @@ -417,6 +478,15 @@ class glXFunction(gl_XML.glFunction): return "ERROR" def opcode_real_name(self): + """Get the true protocol enum name for the GLX opcode + + Behaves similarly to opcode_name, except for + X_GLXVendorPrivate and X_GLXVendorPrivateWithReply commands. + In these cases the string 'X_GLXVendorPrivate' or + 'X_GLXVendorPrivateWithReply' is returned. For other + single or render commands 'X_GLsop' or 'X_GLrop' plus the + name of the function returned.""" + if self.glx_vendorpriv != 0: if self.needs_reply(): return "X_GLXVendorPrivateWithReply" |