diff options
Diffstat (limited to 'mesalib/src/mesa/glapi/glX_XML.py')
| -rw-r--r-- | mesalib/src/mesa/glapi/glX_XML.py | 570 |
1 files changed, 0 insertions, 570 deletions
diff --git a/mesalib/src/mesa/glapi/glX_XML.py b/mesalib/src/mesa/glapi/glX_XML.py deleted file mode 100644 index 4c2e0f95b..000000000 --- a/mesalib/src/mesa/glapi/glX_XML.py +++ /dev/null @@ -1,570 +0,0 @@ -#!/usr/bin/env python - -# (C) Copyright IBM Corporation 2004, 2005 -# All Rights Reserved. -# -# Permission is hereby granted, free of charge, to any person obtaining a -# copy of this software and associated documentation files (the "Software"), -# to deal in the Software without restriction, including without limitation -# on the rights to use, copy, modify, merge, publish, distribute, sub -# license, and/or sell copies of the Software, and to permit persons to whom -# the Software is furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice (including the next -# paragraph) shall be included in all copies or substantial portions of the -# Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL -# IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING -# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS -# IN THE SOFTWARE. -# -# Authors: -# Ian Romanick <idr@us.ibm.com> - -import gl_XML -import license -import sys, getopt, string - - -class glx_item_factory(gl_XML.gl_item_factory): - """Factory to create GLX protocol oriented objects derived from gl_item.""" - - def create_item(self, name, element, context): - if name == "function": - return glx_function(element, context) - elif name == "enum": - return glx_enum(element, context) - elif name == "api": - return glx_api(self) - else: - return gl_XML.gl_item_factory.create_item(self, name, element, context) - - -class glx_enum(gl_XML.gl_enum): - def __init__(self, element, context): - gl_XML.gl_enum.__init__(self, element, context) - - 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) - - if m == "get": - mode = 0 - else: - mode = 1 - - if not self.functions.has_key(n): - self.functions[ n ] = [c, mode] - - child = child.next - - return - - -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 = [] - - # 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 - - 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 - - self.server_handcode = 0 - self.client_handcode = 0 - self.ignore = 0 - - self.count_parameter_list = [] - self.counter_list = [] - self.parameters_by_name = {} - self.offsets_calculated = 0 - - gl_XML.gl_function.__init__(self, element, context) - return - - - 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: - raise RuntimeError('Invalid handcode mode "%s" in function "%s".' % (handcode, self.name)) - - 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' ) - - child = child.next - - - # Do some validation of the GLX protocol information. As - # new tests are discovered, they should be added here. - - 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)) - - return - - - def has_variable_size_request(self): - """Determine if the GLX request packet is variable sized. - - 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 - - for param in self.parameters: - if not param.is_output: - if param.counter or len(param.count_parameter_list): - return 1 - - return 0 - - - 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 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. - - if len(self.images) and not self.images[0].is_output: - [dim, junk, junk, junk, junk] = self.images[0].get_dimensions() - - # 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 - - for param in self.parameterIterateGlxSend(): - if param.img_null_flag: - offset += 4 - - 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 - - - self.offsets_calculated = 1 - return - - - def offset_of(self, param_name): - self.calculate_offsets() - return self.parameters_by_name[ param_name ].offset - - - def parameterIterateGlxSend(self, include_variable_parameters = 1): - """Create an iterator for parameters in GLX request order.""" - - # 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 ) - - parameters = temp[0] - parameters.extend( temp[1] ) - if include_variable_parameters: - parameters.extend( temp[2] ) - return parameters.__iter__() - - - def parameterIterateCounters(self): - temp = [] - for name in self.counter_list: - temp.append( self.parameters_by_name[ name ] ) - - return temp.__iter__() - - - def parameterIterateOutputs(self): - temp = [] - for p in self.parameters: - if p.is_output: - temp.append( p ) - - return temp - - - def command_fixed_length(self): - """Return the length, in bytes as an integer, of the - fixed-size portion of the command.""" - - if len(self.parameters) == 0: - return 0 - - self.calculate_offsets() - - 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 - - for param in self.images: - if param.img_null_flag or param.is_output: - size += 4 - - return size - - - def command_variable_length(self): - """Return the length, as a string, of the variable-sized - portion of the command.""" - - 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 - - - def command_length(self): - size = self.command_fixed_length() - - if self.glx_rop != 0: - size += 4 - - size = ((size + 3) & ~3) - return "%u%s" % (size, self.command_variable_length()) - - - 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 - else: - return 16 - 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: - return self.glx_sop - elif self.glx_vendorpriv != 0: - return self.glx_vendorpriv - else: - 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) 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: - return "X_GLsop_%s" % (self.name) - elif self.glx_vendorpriv != 0: - return "X_GLvop_%s" % (self.name) - else: - 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 - - 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" - else: - return "X_GLXVendorPrivate" - else: - return self.opcode_name() - - - def needs_reply(self): - try: - x = self._needs_reply - except Exception, e: - x = 0 - if self.return_type != 'void': - x = 1 - - for param in self.parameters: - if param.is_output: - x = 1 - break - - self._needs_reply = x - - return x - - - def pad_after(self, p): - """Returns the name of the field inserted after the - specified field to pad out the command header.""" - - 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 - - - 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. - """ - - return (name in self.glx_vendorpriv_names) and self.glx_sop - - - 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 client_supported_for_indirect(self): - """Returns true if the function is supported on the client - side for indirect rendering.""" - - 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) - - -class glx_function_iterator: - """Class to iterate over a list of glXFunctions""" - - def __init__(self, context): - self.iterator = context.functionIterateByOffset() - return - - - def __iter__(self): - return self - - - def next(self): - f = self.iterator.next() - - if f.client_supported_for_indirect(): - return f - else: - return self.next() - - -class glx_api(gl_XML.gl_api): - def functionIterateGlx(self): - return glx_function_iterator(self) - |