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glapi: Read GLES information from XML.

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Tested-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Paul Berry 2012-10-10 16:48:08 -07:00
parent 81a7f50781
commit cd4ce16c45
1 changed files with 48 additions and 0 deletions
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48
src/mapi/glapi/gen/gl_XML.py
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@ -25,6 +25,7 @@
# Authors:
# Ian Romanick <idr@us.ibm.com>
from decimal import Decimal
import libxml2
import re, sys, string
import typeexpr
@ -606,6 +607,16 @@ class gl_function( gl_item ):
self.initialized = 0
self.images = []
# self.entry_point_api_map[name][api] is a decimal value
# indicating the earliest version of the given API in which
# each entry point exists. Every entry point is included in
# the first level of the map; the second level of the map only
# lists APIs which contain the entry point in at least one
# version. For example,
# self.entry_point_gles_map['ClipPlanex'] == { 'es1':
# Decimal('1.1') }.
self.entry_point_api_map = {}
self.assign_offset = 0
self.static_entry_points = []
@ -634,6 +645,14 @@ class gl_function( gl_item ):
self.static_entry_points.append(name)
self.entry_points.append( name )
self.entry_point_api_map[name] = {}
for api in ('es1', 'es2'):
version_str = element.nsProp(api, None)
assert version_str is not None
if version_str != 'none':
self.entry_point_api_map[name][api] = Decimal(version_str)
if alias:
true_name = alias
else:
@ -779,6 +798,22 @@ class gl_function( gl_item ):
else:
return "_dispatch_stub_%u" % (self.offset)
def entry_points_for_api_version(self, api, version = None):
"""Return a list of the entry point names for this function
which are supported in the given API (and optionally, version).
Use the decimal.Decimal type to precisely express non-integer
versions.
"""
result = []
for entry_point, api_to_ver in self.entry_point_api_map.iteritems():
if api not in api_to_ver:
continue
if version is not None and version < api_to_ver[api]:
continue
result.append(entry_point)
return result
class gl_item_factory(object):
"""Factory to create objects derived from gl_item."""
@ -825,6 +860,19 @@ class gl_api(object):
self.functions_by_name = functions_by_name
def filter_functions_by_api(self, api, version = None):
"""Filter out entry points not in the given API (or
optionally, not in the given version of the given API).
"""
functions_by_name = {}
for func in self.functions_by_name.itervalues():
entry_points = func.entry_points_for_api_version(api, version)
if entry_points:
func.filter_entry_points(entry_points)
functions_by_name[func.name] = func
self.functions_by_name = functions_by_name
def process_element(self, doc):
element = doc.children
while element.type != "element" or element.name != "OpenGLAPI":