Merge master and fix conflicts

6 files changed, 648 insertions, 379 deletions

diff --git a/src/gallium/state_trackers/python/p_texture.i b/src/gallium/state_trackers/python/p_texture.i
index f41a95e6eb..1d513abf3c 100644
--- a/src/gallium/state_trackers/python/p_texture.i
+++ b/src/gallium/state_trackers/python/p_texture.i
@@ -426,7 +426,7 @@ struct st_surface
       if(!*STRING)
          return;
       
-      pipe_buffer_read(screen, $self, 0, $self->size, STRING);
+      pipe_buffer_read(screen, $self, 0, $self->size, *STRING);
    }
    
    %cstring_input_binary(const char *STRING, unsigned LENGTH);
diff --git a/src/gallium/state_trackers/python/retrace/interpreter.py b/src/gallium/state_trackers/python/retrace/interpreter.py
index 5ea07724a5..5885e162c2 100755
--- a/src/gallium/state_trackers/python/retrace/interpreter.py
+++ b/src/gallium/state_trackers/python/retrace/interpreter.py
@@ -32,7 +32,7 @@ import struct
 
 import gallium
 import model
-import parser
+import parse as parser
 
 
 try:
@@ -43,19 +43,27 @@ except ImportError:
         return struct.unpack(fmt, buf[offset:offset + size])
 
 
-def make_image(surface):
+def make_image(surface, x=None, y=None, w=None, h=None):
+    if x is None:
+        x = 0
+    if y is None:
+        y = 0
+    if w is None:
+        w = surface.width - x
+    if h is None:
+        h = surface.height - y
     data = surface.get_tile_rgba8(0, 0, surface.width, surface.height)
 
     import Image
     outimage = Image.fromstring('RGBA', (surface.width, surface.height), data, "raw", 'RGBA', 0, 1)
     return outimage
 
-def save_image(filename, surface):
-    outimage = make_image(surface)
+def save_image(filename, surface, x=None, y=None, w=None, h=None):
+    outimage = make_image(surface, x, y, w, h)
     outimage.save(filename, "PNG")
 
-def show_image(surface, title):
-    outimage = make_image(surface)
+def show_image(surface, title, x=None, y=None, w=None, h=None):
+    outimage = make_image(surface, x, y, w, h)
     
     import Tkinter as tk
     from PIL import Image, ImageTk
@@ -305,7 +313,11 @@ class Screen(Object):
     def get_tex_transfer(self, texture, face, level, zslice, usage, x, y, w, h):
         if texture is None:
             return None
-        return Transfer(texture.get_surface(face, level, zslice), x, y, w, h)
+        transfer = Transfer(texture.get_surface(face, level, zslice), x, y, w, h)
+        if transfer and usage != gallium.PIPE_TRANSFER_WRITE:
+            if self.interpreter.options.all:
+                self.interpreter.present(transfer.surface, 'transf_read', x, y, w, h)
+        return transfer
     
     def tex_transfer_destroy(self, transfer):
         self.interpreter.unregister_object(transfer)
@@ -314,6 +326,8 @@ class Screen(Object):
         if transfer is None:
             return
         transfer.surface.put_tile_raw(transfer.x, transfer.y, transfer.w, transfer.h, data, stride)
+        if self.interpreter.options.all:
+            self.interpreter.present(transfer.surface, 'transf_write', transfer.x, transfer.y, transfer.w, transfer.h)
 
     def user_buffer_create(self, data, size):
         # We don't really care to distinguish between user and regular buffers
@@ -577,6 +591,14 @@ class Context(Object):
         self.real.draw_range_elements(indexBuffer, indexSize, minIndex, maxIndex, mode, start, count)
         self._set_dirty()
         
+    def is_texture_referenced(self, texture, face, level):
+        #return self.real.is_texture_referenced(format, texture, face, level)
+        pass
+    
+    def is_buffer_referenced(self, buf):
+        #return self.real.is_buffer_referenced(format, buf)
+        pass
+    
     def _set_dirty(self):
         if self.interpreter.options.step:
             self._present()
@@ -602,6 +624,9 @@ class Context(Object):
     
         if self.cbufs and self.cbufs[0]:
             self.interpreter.present(self.cbufs[0], "cbuf")
+        if self.zsbuf:
+            if self.interpreter.options.all:
+                self.interpreter.present(self.zsbuf, "zsbuf")
     
 
 class Interpreter(parser.TraceDumper):
@@ -671,16 +696,16 @@ class Interpreter(parser.TraceDumper):
     def verbosity(self, level):
         return self.options.verbosity >= level
 
-    def present(self, surface, description):
+    def present(self, surface, description, x=None, y=None, w=None, h=None):
         if self.call_no < self.options.start:
             return
 
         if self.options.images:
-            filename = '%s_%04u.png' % (description, self.call_no)
-            save_image(filename, surface)
+            filename = '%04u_%s.png' % (self.call_no, description)
+            save_image(filename, surface, x, y, w, h)
         else:
             title = '%u. %s' % (self.call_no, description)
-            show_image(surface, title)
+            show_image(surface, title, x, y, w, h)
     
 
 class Main(parser.Main):
@@ -690,6 +715,7 @@ class Main(parser.Main):
         optparser.add_option("-q", "--quiet", action="store_const", const=0, dest="verbosity", help="no messages")
         optparser.add_option("-v", "--verbose", action="count", dest="verbosity", default=1, help="increase verbosity level")
         optparser.add_option("-i", "--images", action="store_true", dest="images", default=False, help="save images instead of showing them")
+        optparser.add_option("-a", "--all", action="store_true", dest="all", default=False, help="show depth, stencil, and transfers")
         optparser.add_option("-s", "--step", action="store_true", dest="step", default=False, help="step trhough every draw")
         optparser.add_option("-f", "--from", action="store", type="int", dest="start", default=0, help="from call no")
         optparser.add_option("-t", "--to", action="store", type="int", dest="stop", default=0, help="until call no")
diff --git a/src/gallium/state_trackers/python/retrace/parse.py b/src/gallium/state_trackers/python/retrace/parse.py
new file mode 100755
index 0000000000..b0f3e8a432
--- /dev/null
+++ b/src/gallium/state_trackers/python/retrace/parse.py
@@ -0,0 +1,392 @@
+#!/usr/bin/env python
+##########################################################################
+# 
+# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+# 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 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 TUNGSTEN GRAPHICS 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.
+# 
+##########################################################################
+
+
+import sys
+import xml.parsers.expat
+import binascii
+import optparse
+
+from model import *
+
+
+ELEMENT_START, ELEMENT_END, CHARACTER_DATA, EOF = range(4)
+
+
+class XmlToken:
+
+    def __init__(self, type, name_or_data, attrs = None, line = None, column = None):
+        assert type in (ELEMENT_START, ELEMENT_END, CHARACTER_DATA, EOF)
+        self.type = type
+        self.name_or_data = name_or_data
+        self.attrs = attrs
+        self.line = line
+        self.column = column
+
+    def __str__(self):
+        if self.type == ELEMENT_START:
+            return '<' + self.name_or_data + ' ...>'
+        if self.type == ELEMENT_END:
+            return '</' + self.name_or_data + '>'
+        if self.type == CHARACTER_DATA:
+            return self.name_or_data
+        if self.type == EOF:
+            return 'end of file'
+        assert 0
+
+
+class XmlTokenizer:
+    """Expat based XML tokenizer."""
+
+    def __init__(self, fp, skip_ws = True):
+        self.fp = fp
+        self.tokens = []
+        self.index = 0
+        self.final = False
+        self.skip_ws = skip_ws
+        
+        self.character_pos = 0, 0
+        self.character_data = ''
+        
+        self.parser = xml.parsers.expat.ParserCreate()
+        self.parser.StartElementHandler  = self.handle_element_start
+        self.parser.EndElementHandler    = self.handle_element_end
+        self.parser.CharacterDataHandler = self.handle_character_data
+    
+    def handle_element_start(self, name, attributes):
+        self.finish_character_data()
+        line, column = self.pos()
+        token = XmlToken(ELEMENT_START, name, attributes, line, column)
+        self.tokens.append(token)
+    
+    def handle_element_end(self, name):
+        self.finish_character_data()
+        line, column = self.pos()
+        token = XmlToken(ELEMENT_END, name, None, line, column)
+        self.tokens.append(token)
+
+    def handle_character_data(self, data):
+        if not self.character_data:
+            self.character_pos = self.pos()
+        self.character_data += data
+    
+    def finish_character_data(self):
+        if self.character_data:
+            if not self.skip_ws or not self.character_data.isspace(): 
+                line, column = self.character_pos
+                token = XmlToken(CHARACTER_DATA, self.character_data, None, line, column)
+                self.tokens.append(token)
+            self.character_data = ''
+    
+    def next(self):
+        size = 16*1024
+        while self.index >= len(self.tokens) and not self.final:
+            self.tokens = []
+            self.index = 0
+            data = self.fp.read(size)
+            self.final = len(data) < size
+            data = data.rstrip('\0')
+            try:
+                self.parser.Parse(data, self.final)
+            except xml.parsers.expat.ExpatError, e:
+                #if e.code == xml.parsers.expat.errors.XML_ERROR_NO_ELEMENTS:
+                if e.code == 3:
+                    pass
+                else:
+                    raise e
+        if self.index >= len(self.tokens):
+            line, column = self.pos()
+            token = XmlToken(EOF, None, None, line, column)
+        else:
+            token = self.tokens[self.index]
+            self.index += 1
+        return token
+
+    def pos(self):
+        return self.parser.CurrentLineNumber, self.parser.CurrentColumnNumber
+
+
+class TokenMismatch(Exception):
+
+    def __init__(self, expected, found):
+        self.expected = expected
+        self.found = found
+
+    def __str__(self):
+        return '%u:%u: %s expected, %s found' % (self.found.line, self.found.column, str(self.expected), str(self.found))
+
+
+
+class XmlParser:
+    """Base XML document parser."""
+
+    def __init__(self, fp):
+        self.tokenizer = XmlTokenizer(fp)
+        self.consume()
+    
+    def consume(self):
+        self.token = self.tokenizer.next()
+
+    def match_element_start(self, name):
+        return self.token.type == ELEMENT_START and self.token.name_or_data == name
+    
+    def match_element_end(self, name):
+        return self.token.type == ELEMENT_END and self.token.name_or_data == name
+
+    def element_start(self, name):
+        while self.token.type == CHARACTER_DATA:
+            self.consume()
+        if self.token.type != ELEMENT_START:
+            raise TokenMismatch(XmlToken(ELEMENT_START, name), self.token)
+        if self.token.name_or_data != name:
+            raise TokenMismatch(XmlToken(ELEMENT_START, name), self.token)
+        attrs = self.token.attrs
+        self.consume()
+        return attrs
+    
+    def element_end(self, name):
+        while self.token.type == CHARACTER_DATA:
+            self.consume()
+        if self.token.type != ELEMENT_END:
+            raise TokenMismatch(XmlToken(ELEMENT_END, name), self.token)
+        if self.token.name_or_data != name:
+            raise TokenMismatch(XmlToken(ELEMENT_END, name), self.token)
+        self.consume()
+
+    def character_data(self, strip = True):
+        data = ''
+        while self.token.type == CHARACTER_DATA:
+            data += self.token.name_or_data
+            self.consume()
+        if strip:
+            data = data.strip()
+        return data
+
+
+class TraceParser(XmlParser):
+
+    def __init__(self, fp):
+        XmlParser.__init__(self, fp)
+        self.last_call_no = 0
+    
+    def parse(self):
+        self.element_start('trace')
+        while self.token.type not in (ELEMENT_END, EOF):
+            call = self.parse_call()
+            self.handle_call(call)
+        if self.token.type != EOF:
+            self.element_end('trace')
+
+    def parse_call(self):
+        attrs = self.element_start('call')
+        try:
+            no = int(attrs['no'])
+        except KeyError:
+            self.last_call_no += 1
+            no = self.last_call_no
+        else:
+            self.last_call_no = no
+        klass = attrs['class']
+        method = attrs['method']
+        args = []
+        ret = None
+        while self.token.type == ELEMENT_START:
+            if self.token.name_or_data == 'arg':
+                arg = self.parse_arg()
+                args.append(arg)
+            elif self.token.name_or_data == 'ret':
+                ret = self.parse_ret()
+            elif self.token.name_or_data == 'call':
+                # ignore nested function calls
+                self.parse_call()
+            else:
+                raise TokenMismatch("<arg ...> or <ret ...>", self.token)
+        self.element_end('call')
+        
+        return Call(no, klass, method, args, ret)
+
+    def parse_arg(self):
+        attrs = self.element_start('arg')
+        name = attrs['name']
+        value = self.parse_value()
+        self.element_end('arg')
+
+        return name, value
+
+    def parse_ret(self):
+        attrs = self.element_start('ret')
+        value = self.parse_value()
+        self.element_end('ret')
+
+        return value
+
+    def parse_value(self):
+        expected_tokens = ('null', 'bool', 'int', 'uint', 'float', 'string', 'enum', 'array', 'struct', 'ptr', 'bytes')
+        if self.token.type == ELEMENT_START:
+            if self.token.name_or_data in expected_tokens:
+                method = getattr(self, 'parse_' +  self.token.name_or_data)
+                return method()
+        raise TokenMismatch(" or " .join(expected_tokens), self.token)
+
+    def parse_null(self):
+        self.element_start('null')
+        self.element_end('null')
+        return Literal(None)
+        
+    def parse_bool(self):
+        self.element_start('bool')
+        value = int(self.character_data())
+        self.element_end('bool')
+        return Literal(value)
+        
+    def parse_int(self):
+        self.element_start('int')
+        value = int(self.character_data())
+        self.element_end('int')
+        return Literal(value)
+        
+    def parse_uint(self):
+        self.element_start('uint')
+        value = int(self.character_data())
+        self.element_end('uint')
+        return Literal(value)
+        
+    def parse_float(self):
+        self.element_start('float')
+        value = float(self.character_data())
+        self.element_end('float')
+        return Literal(value)
+        
+    def parse_enum(self):
+        self.element_start('enum')
+        name = self.character_data()
+        self.element_end('enum')
+        return NamedConstant(name)
+        
+    def parse_string(self):
+        self.element_start('string')
+        value = self.character_data()
+        self.element_end('string')
+        return Literal(value)
+        
+    def parse_bytes(self):
+        self.element_start('bytes')
+        value = binascii.a2b_hex(self.character_data())
+        self.element_end('bytes')
+        return Literal(value)
+        
+    def parse_array(self):
+        self.element_start('array')
+        elems = []
+        while self.token.type != ELEMENT_END:
+            elems.append(self.parse_elem())
+        self.element_end('array')
+        return Array(elems)
+
+    def parse_elem(self):
+        self.element_start('elem')
+        value = self.parse_value()
+        self.element_end('elem')
+        return value
+
+    def parse_struct(self):
+        attrs = self.element_start('struct')
+        name = attrs['name']
+        members = []
+        while self.token.type != ELEMENT_END:
+            members.append(self.parse_member())
+        self.element_end('struct')
+        return Struct(name, members)
+
+    def parse_member(self):
+        attrs = self.element_start('member')
+        name = attrs['name']
+        value = self.parse_value()
+        self.element_end('member')
+
+        return name, value
+
+    def parse_ptr(self):
+        self.element_start('ptr')
+        address = self.character_data()
+        self.element_end('ptr')
+
+        return Pointer(address)
+
+    def handle_call(self, call):
+        pass
+    
+    
+class TraceDumper(TraceParser):
+    
+    def __init__(self, fp):
+        TraceParser.__init__(self, fp)
+        self.formatter = format.DefaultFormatter(sys.stdout)
+        self.pretty_printer = PrettyPrinter(self.formatter)
+
+    def handle_call(self, call):
+        call.visit(self.pretty_printer)
+        self.formatter.newline()
+        
+
+class Main:
+    '''Common main class for all retrace command line utilities.''' 
+
+    def __init__(self):
+        pass
+
+    def main(self):
+        optparser = self.get_optparser()
+        (options, args) = optparser.parse_args(sys.argv[1:])
+    
+        if args:
+            for arg in args:
+                if arg.endswith('.gz'):
+                    from gzip import GzipFile
+                    stream = GzipFile(arg, 'rt')
+                elif arg.endswith('.bz2'):
+                    from bz2 import BZ2File
+                    stream = BZ2File(arg, 'rt')
+                else:
+                    stream = open(arg, 'rt')
+                self.process_arg(stream, options)
+        else:
+            self.process_arg(stream, options)
+
+    def get_optparser(self):
+        optparser = optparse.OptionParser(
+            usage="\n\t%prog [options] [traces] ...")
+        return optparser
+
+    def process_arg(self, stream, options):
+        parser = TraceDumper(stream)
+        parser.parse()
+
+
+if __name__ == '__main__':
+    Main().main()
diff --git a/src/gallium/state_trackers/python/retrace/parser.py b/src/gallium/state_trackers/python/retrace/parser.py
index b0f3e8a432..bd47c9a6b0 100755
--- a/src/gallium/state_trackers/python/retrace/parser.py
+++ b/src/gallium/state_trackers/python/retrace/parser.py
@@ -27,365 +27,7 @@
 ##########################################################################
 
 
-import sys
-import xml.parsers.expat
-import binascii
-import optparse
-
-from model import *
-
-
-ELEMENT_START, ELEMENT_END, CHARACTER_DATA, EOF = range(4)
-
-
-class XmlToken:
-
-    def __init__(self, type, name_or_data, attrs = None, line = None, column = None):
-        assert type in (ELEMENT_START, ELEMENT_END, CHARACTER_DATA, EOF)
-        self.type = type
-        self.name_or_data = name_or_data
-        self.attrs = attrs
-        self.line = line
-        self.column = column
-
-    def __str__(self):
-        if self.type == ELEMENT_START:
-            return '<' + self.name_or_data + ' ...>'
-        if self.type == ELEMENT_END:
-            return '</' + self.name_or_data + '>'
-        if self.type == CHARACTER_DATA:
-            return self.name_or_data
-        if self.type == EOF:
-            return 'end of file'
-        assert 0
-
-
-class XmlTokenizer:
-    """Expat based XML tokenizer."""
-
-    def __init__(self, fp, skip_ws = True):
-        self.fp = fp
-        self.tokens = []
-        self.index = 0
-        self.final = False
-        self.skip_ws = skip_ws
-        
-        self.character_pos = 0, 0
-        self.character_data = ''
-        
-        self.parser = xml.parsers.expat.ParserCreate()
-        self.parser.StartElementHandler  = self.handle_element_start
-        self.parser.EndElementHandler    = self.handle_element_end
-        self.parser.CharacterDataHandler = self.handle_character_data
-    
-    def handle_element_start(self, name, attributes):
-        self.finish_character_data()
-        line, column = self.pos()
-        token = XmlToken(ELEMENT_START, name, attributes, line, column)
-        self.tokens.append(token)
-    
-    def handle_element_end(self, name):
-        self.finish_character_data()
-        line, column = self.pos()
-        token = XmlToken(ELEMENT_END, name, None, line, column)
-        self.tokens.append(token)
-
-    def handle_character_data(self, data):
-        if not self.character_data:
-            self.character_pos = self.pos()
-        self.character_data += data
-    
-    def finish_character_data(self):
-        if self.character_data:
-            if not self.skip_ws or not self.character_data.isspace(): 
-                line, column = self.character_pos
-                token = XmlToken(CHARACTER_DATA, self.character_data, None, line, column)
-                self.tokens.append(token)
-            self.character_data = ''
-    
-    def next(self):
-        size = 16*1024
-        while self.index >= len(self.tokens) and not self.final:
-            self.tokens = []
-            self.index = 0
-            data = self.fp.read(size)
-            self.final = len(data) < size
-            data = data.rstrip('\0')
-            try:
-                self.parser.Parse(data, self.final)
-            except xml.parsers.expat.ExpatError, e:
-                #if e.code == xml.parsers.expat.errors.XML_ERROR_NO_ELEMENTS:
-                if e.code == 3:
-                    pass
-                else:
-                    raise e
-        if self.index >= len(self.tokens):
-            line, column = self.pos()
-            token = XmlToken(EOF, None, None, line, column)
-        else:
-            token = self.tokens[self.index]
-            self.index += 1
-        return token
-
-    def pos(self):
-        return self.parser.CurrentLineNumber, self.parser.CurrentColumnNumber
-
-
-class TokenMismatch(Exception):
-
-    def __init__(self, expected, found):
-        self.expected = expected
-        self.found = found
-
-    def __str__(self):
-        return '%u:%u: %s expected, %s found' % (self.found.line, self.found.column, str(self.expected), str(self.found))
-
-
-
-class XmlParser:
-    """Base XML document parser."""
-
-    def __init__(self, fp):
-        self.tokenizer = XmlTokenizer(fp)
-        self.consume()
-    
-    def consume(self):
-        self.token = self.tokenizer.next()
-
-    def match_element_start(self, name):
-        return self.token.type == ELEMENT_START and self.token.name_or_data == name
-    
-    def match_element_end(self, name):
-        return self.token.type == ELEMENT_END and self.token.name_or_data == name
-
-    def element_start(self, name):
-        while self.token.type == CHARACTER_DATA:
-            self.consume()
-        if self.token.type != ELEMENT_START:
-            raise TokenMismatch(XmlToken(ELEMENT_START, name), self.token)
-        if self.token.name_or_data != name:
-            raise TokenMismatch(XmlToken(ELEMENT_START, name), self.token)
-        attrs = self.token.attrs
-        self.consume()
-        return attrs
-    
-    def element_end(self, name):
-        while self.token.type == CHARACTER_DATA:
-            self.consume()
-        if self.token.type != ELEMENT_END:
-            raise TokenMismatch(XmlToken(ELEMENT_END, name), self.token)
-        if self.token.name_or_data != name:
-            raise TokenMismatch(XmlToken(ELEMENT_END, name), self.token)
-        self.consume()
-
-    def character_data(self, strip = True):
-        data = ''
-        while self.token.type == CHARACTER_DATA:
-            data += self.token.name_or_data
-            self.consume()
-        if strip:
-            data = data.strip()
-        return data
-
-
-class TraceParser(XmlParser):
-
-    def __init__(self, fp):
-        XmlParser.__init__(self, fp)
-        self.last_call_no = 0
-    
-    def parse(self):
-        self.element_start('trace')
-        while self.token.type not in (ELEMENT_END, EOF):
-            call = self.parse_call()
-            self.handle_call(call)
-        if self.token.type != EOF:
-            self.element_end('trace')
-
-    def parse_call(self):
-        attrs = self.element_start('call')
-        try:
-            no = int(attrs['no'])
-        except KeyError:
-            self.last_call_no += 1
-            no = self.last_call_no
-        else:
-            self.last_call_no = no
-        klass = attrs['class']
-        method = attrs['method']
-        args = []
-        ret = None
-        while self.token.type == ELEMENT_START:
-            if self.token.name_or_data == 'arg':
-                arg = self.parse_arg()
-                args.append(arg)
-            elif self.token.name_or_data == 'ret':
-                ret = self.parse_ret()
-            elif self.token.name_or_data == 'call':
-                # ignore nested function calls
-                self.parse_call()
-            else:
-                raise TokenMismatch("<arg ...> or <ret ...>", self.token)
-        self.element_end('call')
-        
-        return Call(no, klass, method, args, ret)
-
-    def parse_arg(self):
-        attrs = self.element_start('arg')
-        name = attrs['name']
-        value = self.parse_value()
-        self.element_end('arg')
-
-        return name, value
-
-    def parse_ret(self):
-        attrs = self.element_start('ret')
-        value = self.parse_value()
-        self.element_end('ret')
-
-        return value
-
-    def parse_value(self):
-        expected_tokens = ('null', 'bool', 'int', 'uint', 'float', 'string', 'enum', 'array', 'struct', 'ptr', 'bytes')
-        if self.token.type == ELEMENT_START:
-            if self.token.name_or_data in expected_tokens:
-                method = getattr(self, 'parse_' +  self.token.name_or_data)
-                return method()
-        raise TokenMismatch(" or " .join(expected_tokens), self.token)
-
-    def parse_null(self):
-        self.element_start('null')
-        self.element_end('null')
-        return Literal(None)
-        
-    def parse_bool(self):
-        self.element_start('bool')
-        value = int(self.character_data())
-        self.element_end('bool')
-        return Literal(value)
-        
-    def parse_int(self):
-        self.element_start('int')
-        value = int(self.character_data())
-        self.element_end('int')
-        return Literal(value)
-        
-    def parse_uint(self):
-        self.element_start('uint')
-        value = int(self.character_data())
-        self.element_end('uint')
-        return Literal(value)
-        
-    def parse_float(self):
-        self.element_start('float')
-        value = float(self.character_data())
-        self.element_end('float')
-        return Literal(value)
-        
-    def parse_enum(self):
-        self.element_start('enum')
-        name = self.character_data()
-        self.element_end('enum')
-        return NamedConstant(name)
-        
-    def parse_string(self):
-        self.element_start('string')
-        value = self.character_data()
-        self.element_end('string')
-        return Literal(value)
-        
-    def parse_bytes(self):
-        self.element_start('bytes')
-        value = binascii.a2b_hex(self.character_data())
-        self.element_end('bytes')
-        return Literal(value)
-        
-    def parse_array(self):
-        self.element_start('array')
-        elems = []
-        while self.token.type != ELEMENT_END:
-            elems.append(self.parse_elem())
-        self.element_end('array')
-        return Array(elems)
-
-    def parse_elem(self):
-        self.element_start('elem')
-        value = self.parse_value()
-        self.element_end('elem')
-        return value
-
-    def parse_struct(self):
-        attrs = self.element_start('struct')
-        name = attrs['name']
-        members = []
-        while self.token.type != ELEMENT_END:
-            members.append(self.parse_member())
-        self.element_end('struct')
-        return Struct(name, members)
-
-    def parse_member(self):
-        attrs = self.element_start('member')
-        name = attrs['name']
-        value = self.parse_value()
-        self.element_end('member')
-
-        return name, value
-
-    def parse_ptr(self):
-        self.element_start('ptr')
-        address = self.character_data()
-        self.element_end('ptr')
-
-        return Pointer(address)
-
-    def handle_call(self, call):
-        pass
-    
-    
-class TraceDumper(TraceParser):
-    
-    def __init__(self, fp):
-        TraceParser.__init__(self, fp)
-        self.formatter = format.DefaultFormatter(sys.stdout)
-        self.pretty_printer = PrettyPrinter(self.formatter)
-
-    def handle_call(self, call):
-        call.visit(self.pretty_printer)
-        self.formatter.newline()
-        
-
-class Main:
-    '''Common main class for all retrace command line utilities.''' 
-
-    def __init__(self):
-        pass
-
-    def main(self):
-        optparser = self.get_optparser()
-        (options, args) = optparser.parse_args(sys.argv[1:])
-    
-        if args:
-            for arg in args:
-                if arg.endswith('.gz'):
-                    from gzip import GzipFile
-                    stream = GzipFile(arg, 'rt')
-                elif arg.endswith('.bz2'):
-                    from bz2 import BZ2File
-                    stream = BZ2File(arg, 'rt')
-                else:
-                    stream = open(arg, 'rt')
-                self.process_arg(stream, options)
-        else:
-            self.process_arg(stream, options)
-
-    def get_optparser(self):
-        optparser = optparse.OptionParser(
-            usage="\n\t%prog [options] [traces] ...")
-        return optparser
-
-    def process_arg(self, stream, options):
-        parser = TraceDumper(stream)
-        parser.parse()
+from parse import *
 
 
 if __name__ == '__main__':
diff --git a/src/gallium/state_trackers/python/st_softpipe_winsys.c b/src/gallium/state_trackers/python/st_softpipe_winsys.c
index 41cdeaa6fd..f0a4826a00 100644
--- a/src/gallium/state_trackers/python/st_softpipe_winsys.c
+++ b/src/gallium/state_trackers/python/st_softpipe_winsys.c
@@ -260,7 +260,7 @@ st_softpipe_screen_create(void)
 static struct pipe_context *
 st_softpipe_context_create(struct pipe_screen *screen)
 {
-   return softpipe_create(screen, screen->winsys, NULL);
+   return softpipe_create(screen);
 }
 
 
diff --git a/src/gallium/state_trackers/python/tests/texture_sample.py b/src/gallium/state_trackers/python/tests/texture_sample.py
index a382424667..06130ea1c9 100755
--- a/src/gallium/state_trackers/python/tests/texture_sample.py
+++ b/src/gallium/state_trackers/python/tests/texture_sample.py
@@ -99,7 +99,7 @@ def is_pot(n):
     return n & (n - 1) == 0
       
                 
-class TextureTest(TestCase):
+class TextureColorSampleTest(TestCase):
     
     tags = (
         'target',
@@ -286,6 +286,206 @@ class TextureTest(TestCase):
         self.assert_rgba(cbuf, x, y, w, h, expected_rgba, 4.0/256, 0.85)
         
 
+class TextureDepthSampleTest(TestCase):
+    
+    tags = (
+        'target',
+        'format',
+        'width',
+        'height',
+        'depth',
+        'last_level',
+        'face',
+        'level',
+        'zslice',
+    )
+
+    def test(self):
+        dev = self.dev
+        
+        target = self.target
+        format = self.format
+        width = self.width
+        height = self.height
+        depth = self.depth
+        last_level = self.last_level
+        face = self.face
+        level = self.level
+        zslice = self.zslice
+        
+        tex_usage = PIPE_TEXTURE_USAGE_SAMPLER
+        geom_flags = 0
+        if width != height:
+            geom_flags |= PIPE_TEXTURE_GEOM_NON_SQUARE
+        if not is_pot(width) or not is_pot(height) or not is_pot(depth):
+            geom_flags |= PIPE_TEXTURE_GEOM_NON_POWER_OF_TWO
+        
+        if not dev.is_format_supported(format, target, tex_usage, geom_flags):
+            raise TestSkip
+        
+        ctx = self.dev.context_create()
+    
+        # disabled blending/masking
+        blend = Blend()
+        blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE
+        blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE
+        blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO
+        blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO
+        blend.colormask = PIPE_MASK_RGBA
+        ctx.set_blend(blend)
+    
+        # depth/stencil/alpha
+        depth_stencil_alpha = DepthStencilAlpha()
+        depth_stencil_alpha.depth.enabled = 1
+        depth_stencil_alpha.depth.writemask = 1
+        depth_stencil_alpha.depth.func = PIPE_FUNC_LESS
+        ctx.set_depth_stencil_alpha(depth_stencil_alpha)
+    
+        # rasterizer
+        rasterizer = Rasterizer()
+        rasterizer.front_winding = PIPE_WINDING_CW
+        rasterizer.cull_mode = PIPE_WINDING_NONE
+        rasterizer.bypass_vs_clip_and_viewport = 1
+        ctx.set_rasterizer(rasterizer)
+    
+        # samplers
+        sampler = Sampler()
+        sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+        sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+        sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+        sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NEAREST
+        sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+        sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+        sampler.normalized_coords = 1
+        sampler.min_lod = 0
+        sampler.max_lod = PIPE_MAX_TEXTURE_LEVELS - 1
+        ctx.set_sampler(0, sampler)
+    
+        #  texture 
+        texture = dev.texture_create(
+            target = target,
+            format = format, 
+            width = width, 
+            height = height,
+            depth = depth, 
+            last_level = last_level,
+            tex_usage = tex_usage,
+        )
+        
+        expected_rgba = FloatArray(height*width*4) 
+        texture.get_surface(
+            face = face,
+            level = level,
+            zslice = zslice,
+        ).sample_rgba(expected_rgba)
+        
+        ctx.set_sampler_texture(0, texture)
+
+        #  framebuffer 
+        cbuf_tex = dev.texture_create(
+            PIPE_FORMAT_A8R8G8B8_UNORM, 
+            width, 
+            height,
+            tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
+        )
+
+        zsbuf_tex = dev.texture_create(
+            PIPE_FORMAT_Z24X8_UNORM, 
+            width, 
+            height,
+            tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
+        )
+
+        cbuf = cbuf_tex.get_surface()
+        zsbuf = zsbuf_tex.get_surface()
+        fb = Framebuffer()
+        fb.width = width
+        fb.height = height
+        fb.nr_cbufs = 1
+        fb.set_cbuf(0, cbuf)
+        fb.set_zsbuf(zsbuf)
+        ctx.set_framebuffer(fb)
+        rgba = FloatArray(4);
+        rgba[0] = 0.5
+        rgba[1] = 0.5
+        rgba[2] = 0.5
+        rgba[3] = 0.5
+        ctx.clear(PIPE_CLEAR_DEPTHSTENCIL, rgba, 1.0, 0)
+        del fb
+    
+        # vertex shader
+        vs = Shader('''
+            VERT1.1
+            DCL IN[0], POSITION, CONSTANT
+            DCL IN[1], GENERIC, CONSTANT
+            DCL OUT[0], POSITION, CONSTANT
+            DCL OUT[1], GENERIC, CONSTANT
+            0:MOV OUT[0], IN[0]
+            1:MOV OUT[1], IN[1]
+            2:END
+        ''')
+        #vs.dump()
+        ctx.set_vertex_shader(vs)
+    
+        # fragment shader
+        op = {
+            PIPE_TEXTURE_1D: "1D", 
+            PIPE_TEXTURE_2D: "2D", 
+            PIPE_TEXTURE_3D: "3D", 
+            PIPE_TEXTURE_CUBE: "CUBE",
+        }[target]
+        fs = Shader('''
+            FRAG1.1
+            DCL IN[0], GENERIC[0], LINEAR
+            DCL SAMP[0], CONSTANT
+            DCL OUT[0].z, POSITION
+            0:TEX OUT[0].z, IN[0], SAMP[0], %s
+            1:END
+        ''' % op)
+        #fs.dump()
+        ctx.set_fragment_shader(fs)
+
+        nverts = 4
+        nattrs = 2
+        verts = FloatArray(nverts * nattrs * 4)
+    
+        x = 0
+        y = 0
+        w, h = minify((width, height), level)
+    
+        pos = [
+            [x, y],
+            [x+w, y],
+            [x+w, y+h],
+            [x, y+h],
+        ]
+    
+        tex = tex_coords(texture, face, level, zslice)
+    
+        for i in range(0, 4):
+            j = 8*i
+            verts[j + 0] = pos[i][0] # x
+            verts[j + 1] = pos[i][1] # y
+            verts[j + 2] = 0.0 # z
+            verts[j + 3] = 1.0 # w
+            verts[j + 4] = tex[i][0] # s
+            verts[j + 5] = tex[i][1] # r
+            verts[j + 6] = tex[i][2] # q
+            verts[j + 7] = 1.0
+    
+        ctx.draw_vertices(PIPE_PRIM_TRIANGLE_FAN,
+                          nverts, 
+                          nattrs, 
+                          verts)
+    
+        ctx.flush()
+    
+        zsbuf = zsbuf_tex.get_surface()
+        
+        self.assert_rgba(zsbuf, x, y, w, h, expected_rgba, 4.0/256, 0.85)
+        
+
+
 
 def main():
     dev = Device()
@@ -304,11 +504,10 @@ def main():
         PIPE_FORMAT_R5G6B5_UNORM,
         PIPE_FORMAT_A1R5G5B5_UNORM,
         PIPE_FORMAT_A4R4G4B4_UNORM,
-        #PIPE_FORMAT_Z32_UNORM,
-        #PIPE_FORMAT_Z24S8_UNORM,
-        #PIPE_FORMAT_Z24X8_UNORM,
-        #PIPE_FORMAT_Z16_UNORM,
-        #PIPE_FORMAT_S8_UNORM,
+        PIPE_FORMAT_Z32_UNORM,
+        PIPE_FORMAT_Z24S8_UNORM,
+        PIPE_FORMAT_Z24X8_UNORM,
+        PIPE_FORMAT_Z16_UNORM,
         PIPE_FORMAT_A8_UNORM,
         PIPE_FORMAT_L8_UNORM,
         PIPE_FORMAT_YCBCR,
@@ -347,7 +546,17 @@ def main():
                         for level in range(0, last_level + 1):
                             zslice = 0
                             while zslice < depth >> level:
-                                test = TextureTest(
+                                if format in (
+                                    PIPE_FORMAT_Z32_UNORM,
+                                    PIPE_FORMAT_Z24S8_UNORM,
+                                    PIPE_FORMAT_Z24X8_UNORM,
+                                    PIPE_FORMAT_Z16_UNORM,
+                                ):
+                                    klass = TextureDepthSampleTest
+                                else:
+                                    klass = TextureColorSampleTest
+
+                                test = klass(
                                     dev = dev,
                                     target = target,
                                     format = format,