Added glapi/gen directory of mesalib

1 files changed, 95 insertions, 0 deletions

diff --git a/mesalib/src/mesa/glapi/gen/glX_proto_common.py b/mesalib/src/mesa/glapi/gen/glX_proto_common.py
new file mode 100644
index 000000000..6f094e22b
--- /dev/null
+++ b/mesalib/src/mesa/glapi/gen/glX_proto_common.py
@@ -0,0 +1,95 @@
+#!/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, glX_XML
+import string
+
+
+class glx_proto_item_factory(glX_XML.glx_item_factory):
+	"""Factory to create GLX protocol oriented objects derived from gl_item."""
+    
+	def create_item(self, name, element, context):
+		if name == "type":
+			return glx_proto_type(element, context)
+		else:
+			return glX_XML.glx_item_factory.create_item(self, name, element, context)
+
+
+class glx_proto_type(gl_XML.gl_type):
+	def __init__(self, element, context):
+		gl_XML.gl_type.__init__(self, element, context)
+
+		self.glx_name = element.nsProp( "glx_name", None )
+		return
+
+
+class glx_print_proto(gl_XML.gl_print_base):
+	def size_call(self, func, outputs_also = 0):
+		"""Create C code to calculate 'compsize'.
+
+		Creates code to calculate 'compsize'.  If the function does
+		not need 'compsize' to be calculated, None will be
+		returned."""
+	
+		compsize = None
+
+		for param in func.parameterIterator():
+			if outputs_also or not param.is_output:
+				if param.is_image():
+					[dim, w, h, d, junk] = param.get_dimensions()
+
+					compsize = '__glImageSize(%s, %s, %s, %s, %s, %s)' % (w, h, d, param.img_format, param.img_type, param.img_target)
+					if not param.img_send_null:
+						compsize = '(%s != NULL) ? %s : 0' % (param.name, compsize)
+
+					return compsize
+
+				elif len(param.count_parameter_list):
+					parameters = string.join( param.count_parameter_list, "," )
+					compsize = "__gl%s_size(%s)" % (func.name, parameters)
+
+					return compsize
+
+		return None
+
+
+	def emit_packet_size_calculation(self, f, bias):
+		# compsize is only used in the command size calculation if
+		# the function has a non-output parameter that has a non-empty
+		# counter_parameter_list.
+
+		compsize = self.size_call(f)
+		if compsize:
+			print '    const GLuint compsize = %s;' % (compsize)
+
+		if bias:
+			print '    const GLuint cmdlen = %s - %u;' % (f.command_length(), bias)
+		else:
+			print '    const GLuint cmdlen = %s;' % (f.command_length())
+
+		#print ''
+		return compsize