progs/gallium/python: New home for python statetracker scripts.

progs/gallium/python/tests/.gitignore

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+*.txt
+*.tsv
+*.dot

progs/gallium/python/tests/base.py

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+#!/usr/bin/env python
+##########################################################################
+# 
+# Copyright 2009 VMware, Inc.
+# 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 VMWARE 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.
+# 
+##########################################################################
+
+
+"""Base classes for tests.
+
+Loosely inspired on Python's unittest module.
+"""
+
+
+import os.path
+import sys
+
+from gallium import *
+
+
+# Enumerate all pixel formats
+formats = {}
+for name, value in globals().items():
+    if name.startswith("PIPE_FORMAT_") and isinstance(value, int):
+        formats[value] = name
+
+def is_depth_stencil_format(format):
+    # FIXME: make and use binding to util_format_is_depth_or_stencil
+    return format in (
+        PIPE_FORMAT_Z32_UNORM,
+        PIPE_FORMAT_Z24S8_UNORM,
+        PIPE_FORMAT_Z24X8_UNORM,
+        PIPE_FORMAT_Z16_UNORM,
+    )
+
+def make_image(width, height, rgba):
+    import Image
+    outimage = Image.new(
+        mode='RGB',
+        size=(width, height),
+        color=(0,0,0))
+    outpixels = outimage.load()
+    for y in range(0, height):
+        for x in range(0, width):
+            offset = (y*width + x)*4
+            r, g, b, a = [int(min(max(rgba[offset + ch], 0.0), 1.0)*255) for ch in range(4)]
+            outpixels[x, y] = r, g, b
+    return outimage
+
+def save_image(width, height, rgba, filename):
+    outimage = make_image(width, height, rgba)
+    outimage.save(filename, "PNG")
+
+def show_image(width, height, **rgbas):
+    import Tkinter as tk
+    from PIL import Image, ImageTk
+
+    root = tk.Tk()
+    
+    x = 64
+    y = 64
+    
+    labels = rgbas.keys()
+    labels.sort() 
+    for i in range(len(labels)):
+        label = labels[i]
+        outimage = make_image(width, height, rgbas[label])
+        
+        if i:
+            window = tk.Toplevel(root)
+        else:
+            window = root    
+        window.title(label)
+        image1 = ImageTk.PhotoImage(outimage)
+        w = image1.width()
+        h = image1.height()
+        window.geometry("%dx%d+%d+%d" % (w, h, x, y))
+        panel1 = tk.Label(window, image=image1)
+        panel1.pack(side='top', fill='both', expand='yes')
+        panel1.image = image1
+        x += w + 2
+    
+    root.mainloop()
+
+
+class TestFailure(Exception):
+
+    pass
+
+class TestSkip(Exception):
+    
+    pass
+
+
+class Test:
+
+    def __init__(self):
+        pass
+
+    def _run(self, result):
+        raise NotImplementedError
+    
+    def run(self):
+        result = TestResult()
+        self._run(result)
+        result.summary()
+
+    def assert_rgba(self, surface, x, y, w, h, expected_rgba, pixel_tol=4.0/256, surface_tol=0.85):
+        total = h*w
+        different = surface.compare_tile_rgba(x, y, w, h, expected_rgba, tol=pixel_tol)
+        if different:
+            sys.stderr.write("%u out of %u pixels differ\n" % (different, total))
+
+        if float(total - different)/float(total) < surface_tol:
+            if 0:
+                rgba = FloatArray(h*w*4)
+                surface.get_tile_rgba(x, y, w, h, rgba)
+                show_image(w, h, Result=rgba, Expected=expected_rgba)
+                save_image(w, h, rgba, "result.png")
+                save_image(w, h, expected_rgba, "expected.png")
+            #sys.exit(0)
+            
+            raise TestFailure
+
+
+class TestCase(Test):
+    
+    tags = ()
+
+    def __init__(self, dev, **kargs):
+        Test.__init__(self)
+        self.dev = dev
+        self.__dict__.update(kargs)
+
+    def description(self):
+        descriptions = []
+        for tag in self.tags:
+            value = self.get(tag)
+            if value is not None and value != '':
+                descriptions.append(tag + '=' + str(value))
+        return ' '.join(descriptions)
+
+    def get(self, tag):
+        try:
+            method = getattr(self, '_get_' + tag)
+        except AttributeError:
+            return getattr(self, tag, None)
+        else:
+            return method()
+
+    def _get_target(self):
+        return {
+            PIPE_TEXTURE_1D: "1d", 
+            PIPE_TEXTURE_2D: "2d", 
+            PIPE_TEXTURE_3D: "3d", 
+            PIPE_TEXTURE_CUBE: "cube",
+        }[self.target]
+
+    def _get_format(self):
+        name = formats[self.format]
+        if name.startswith('PIPE_FORMAT_'):
+            name  = name[12:]
+        name = name.lower()
+        return name
+
+    def _get_face(self):
+        if self.target == PIPE_TEXTURE_CUBE:
+            return {
+                PIPE_TEX_FACE_POS_X: "+x",
+                PIPE_TEX_FACE_NEG_X: "-x",
+                PIPE_TEX_FACE_POS_Y: "+y",
+                PIPE_TEX_FACE_NEG_Y: "-y", 
+                PIPE_TEX_FACE_POS_Z: "+z", 
+                PIPE_TEX_FACE_NEG_Z: "-z",
+            }[self.face]
+        else:
+            return ''
+
+    def test(self):
+        raise NotImplementedError
+    
+    def _run(self, result):
+        result.test_start(self)
+        try:
+            self.test()
+        except KeyboardInterrupt:
+            raise
+        except TestSkip:
+            result.test_skipped(self)
+        except TestFailure:
+            result.test_failed(self)
+        else:
+            result.test_passed(self)
+
+
+class TestSuite(Test):
+    
+    def __init__(self, tests = None):
+        Test.__init__(self)
+        if tests is None:
+            self.tests = []
+        else:
+            self.tests = tests
+
+    def add_test(self, test):
+        self.tests.append(test) 
+    
+    def _run(self, result):
+        for test in self.tests:
+            test._run(result)
+
+
+class TestResult:
+    
+    def __init__(self):
+        self.tests = 0
+        self.passed = 0
+        self.skipped = 0
+        self.failed = 0
+
+        self.names = ['result']
+        self.types = ['pass skip fail']
+        self.rows = []
+    
+    def test_start(self, test):
+        sys.stdout.write("Running %s...\n" % test.description())
+        sys.stdout.flush()
+        self.tests += 1
+    
+    def test_passed(self, test):
+        sys.stdout.write("PASS\n")
+        sys.stdout.flush()
+        self.passed += 1
+        self.log_result(test, 'pass')
+            
+    def test_skipped(self, test):
+        sys.stdout.write("SKIP\n")
+        sys.stdout.flush()
+        self.skipped += 1
+        #self.log_result(test, 'skip')
+        
+    def test_failed(self, test):
+        sys.stdout.write("FAIL\n")
+        sys.stdout.flush()
+        self.failed += 1
+        self.log_result(test, 'fail')
+
+    def log_result(self, test, result):
+        row = ['']*len(self.names)
+
+        # add result
+        assert self.names[0] == 'result'
+        assert result in ('pass', 'skip', 'fail')
+        row[0] = result
+
+        # add tags
+        for tag in test.tags:
+            value = test.get(tag)
+
+            # infer type
+            if value is None:
+                continue
+            elif isinstance(value, (int, float)):
+                value = str(value)
+                type = 'c' # continous
+            elif isinstance(value, basestring):
+                type = 'd' # discrete
+            else:
+                assert False
+                value = str(value)
+                type = 'd' # discrete
+
+            # insert value
+            try:
+                col = self.names.index(tag, 1)
+            except ValueError:
+                self.names.append(tag)
+                self.types.append(type)
+                row.append(value)
+            else:
+                row[col] = value
+                assert self.types[col] == type
+        
+        self.rows.append(row)
+
+    def summary(self):
+        sys.stdout.write("%u tests, %u passed, %u skipped, %u failed\n\n" % (self.tests, self.passed, self.skipped, self.failed))
+        sys.stdout.flush()
+
+        name, ext = os.path.splitext(os.path.basename(sys.argv[0]))
+        filename = name + '.tsv'
+        stream = file(filename, 'wt')
+
+        # header
+        stream.write('\t'.join(self.names) + '\n')
+        stream.write('\t'.join(self.types) + '\n')
+        stream.write('class\n')
+
+        # rows
+        for row in self.rows:
+            row += ['']*(len(self.names) - len(row))
+            stream.write('\t'.join(row) + '\n')
+
+        stream.close()
+
+        # See http://www.ailab.si/orange/doc/ofb/c_otherclass.htm
+        try:
+            import orange
+            import orngTree
+        except ImportError:
+            sys.stderr.write('Install Orange from http://www.ailab.si/orange/ for a classification tree.\n')
+            return
+
+        data = orange.ExampleTable(filename)
+
+        tree = orngTree.TreeLearner(data, sameMajorityPruning=1, mForPruning=2)
+
+        orngTree.printTxt(tree, maxDepth=4)
+
+        file(name+'.txt', 'wt').write(orngTree.dumpTree(tree))
+
+        orngTree.printDot(tree, fileName=name+'.dot', nodeShape='ellipse', leafShape='box')

progs/gallium/python/tests/regress/fragment-shader/.gitignore

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+*.png

progs/gallium/python/tests/regress/fragment-shader/frag-abs.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { -0.5, -0.4, -0.6, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+ABS OUT[0], TEMP[0]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-add.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+ADD OUT[0], IN[0], IN[0]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-cb-1d.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+DCL CONST[1]
+DCL CONST[3]
+DCL TEMP[0..1]
+
+ADD TEMP[0], IN[0], CONST[1]
+RCP TEMP[1], CONST[3].xxxx
+MUL OUT[0], TEMP[0], TEMP[1]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-cb-2d.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+DCL CONST[1][1..2]
+
+MAD OUT[0], IN[0], CONST[1][2], CONST[1][1]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-dp3.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DP3 OUT[0], IN[0], IN[0]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-dp4.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DP4 OUT[0], IN[0].xyzx, IN[0].xyzx
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-dst.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DST OUT[0], IN[0], IN[0]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-ex2.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+EX2 TEMP[0], IN[0].xxxx
+MUL OUT[0], TEMP[0], IN[0]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-flr.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 2.5, 4.0,  2.0, 1.0 }
+IMM FLT32 { 0.4, 0.25, 0.5, 1.0 }
+
+MUL TEMP[0], IN[0], IMM[0]
+FLR TEMP[0], TEMP[0]
+MUL OUT[0], TEMP[0], IMM[1]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-frc.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 2.7, 3.1, 4.5, 1.0 }
+
+MUL TEMP[0], IN[0], IMM[0]
+FRC OUT[0], TEMP[0]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-lg2.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 1.0, 0.0, 0.0, 0.0 }
+IMM FLT32 { 0.5, 0.0, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+LG2 TEMP[0].x, TEMP[0].xxxx
+ADD OUT[0], TEMP[0], IMM[1]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-lit.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+LIT OUT[0], IN[0]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-lrp.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+ABS TEMP[0], IN[0]
+LRP OUT[0], TEMP[0], IN[0].xxxx, IN[0].yyyy
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-mad.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+IMM FLT32 { 0.5, 0.4, 0.6, 1.0 }
+IMM FLT32 { 0.5, 0.4, 0.6, 0.0 }
+
+MAD OUT[0], IN[0], IMM[0], IMM[1]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-max.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+IMM FLT32 { 0.4, 0.4, 0.4, 0.0 }
+
+MAX OUT[0], IN[0], IMM[0]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-min.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+IMM FLT32 { 0.6, 0.6, 0.6, 1.0 }
+
+MIN OUT[0], IN[0], IMM[0]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-mov.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+MOV OUT[0], IN[0]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-mul.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+IMM FLT32 { 0.5, 0.6, 0.7, 1.0 }
+
+MUL OUT[0], IN[0], IMM[0]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-rcp.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 1.0, 0.0, 0.0, 0.0 }
+IMM FLT32 { 1.5, 0.0, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+RCP TEMP[0].x, TEMP[0].xxxx
+SUB OUT[0], TEMP[0], IMM[1]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-rsq.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 1.0, 0.0, 0.0, 0.0 }
+IMM FLT32 { 1.5, 0.0, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+RSQ TEMP[0].x, TEMP[0].xxxx
+SUB OUT[0], TEMP[0], IMM[1]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-sge.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 0.6, 0.6, 0.6, 0.0 }
+
+SGE TEMP[0], IN[0], IMM[0]
+MUL OUT[0], IN[0], TEMP[0]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-slt.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 0.6, 0.6, 0.6, 0.0 }
+
+SLT TEMP[0], IN[0], IMM[0]
+MUL OUT[0], IN[0], TEMP[0]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-srcmod-abs.sh

@@ -0,0 +1,13 @@
+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { -0.3, -0.5, -0.4, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+MOV OUT[0], |TEMP[0]|
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-srcmod-absneg.sh

@@ -0,0 +1,15 @@
+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { -0.2, -0.3, -0.4, 0.0 }
+IMM FLT32 { -1.0, -1.0, -1.0, -1.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+MOV TEMP[0], -|TEMP[0]|
+MUL OUT[0], TEMP[0], IMM[1]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-srcmod-neg.sh

@@ -0,0 +1,11 @@
+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+SUB TEMP[0], IN[0], IN[0].yzxw
+MOV OUT[0], -TEMP[0]
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-srcmod-swz.sh

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+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+MOV OUT[0], IN[0].yxzw
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-sub.sh

@@ -0,0 +1,8 @@
+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+SUB OUT[0], IN[0], IN[0].yzxw
+
+END

progs/gallium/python/tests/regress/fragment-shader/frag-xpd.sh

@@ -0,0 +1,8 @@
+FRAG
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+XPD OUT[0], IN[0], IN[0].yzxw
+
+END

progs/gallium/python/tests/regress/fragment-shader/fragment-shader.py

@@ -0,0 +1,257 @@
+#!/usr/bin/env python
+##########################################################################
+# 
+# Copyright 2009 VMware, Inc.
+# 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 VMWARE 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 struct
+
+from gallium import *
+
+def make_image(surface):
+    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)
+    outimage.save(filename, "PNG")
+
+def test(dev, name):
+    ctx = dev.context_create()
+
+    width = 320
+    height = 320
+    minz = 0.0
+    maxz = 1.0
+
+    # disabled blending/masking
+    blend = Blend()
+    blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE
+    blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE
+    blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO
+    blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO
+    blend.rt[0].colormask = PIPE_MASK_RGBA
+    ctx.set_blend(blend)
+
+    # depth/stencil/alpha
+    depth_stencil_alpha = DepthStencilAlpha()
+    depth_stencil_alpha.depth.enabled = 0
+    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.scissor = 1
+    ctx.set_rasterizer(rasterizer)
+
+    # viewport
+    viewport = Viewport()
+    scale = FloatArray(4)
+    scale[0] = width / 2.0
+    scale[1] = -height / 2.0
+    scale[2] = (maxz - minz) / 2.0
+    scale[3] = 1.0
+    viewport.scale = scale
+    translate = FloatArray(4)
+    translate[0] = width / 2.0
+    translate[1] = height / 2.0
+    translate[2] = (maxz - minz) / 2.0
+    translate[3] = 0.0
+    viewport.translate = translate
+    ctx.set_viewport(viewport)
+
+    # 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_NONE
+    sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+    sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+    sampler.normalized_coords = 1
+    ctx.set_fragment_sampler(0, sampler)
+
+    # scissor
+    scissor = Scissor()
+    scissor.minx = 0
+    scissor.miny = 0
+    scissor.maxx = width
+    scissor.maxy = height
+    ctx.set_scissor(scissor)
+
+    clip = Clip()
+    clip.nr = 0
+    ctx.set_clip(clip)
+
+    # framebuffer
+    cbuf = dev.texture_create(
+        PIPE_FORMAT_X8R8G8B8_UNORM,
+        width, height,
+        tex_usage=PIPE_TEXTURE_USAGE_RENDER_TARGET,
+    ).get_surface()
+    fb = Framebuffer()
+    fb.width = width
+    fb.height = height
+    fb.nr_cbufs = 1
+    fb.set_cbuf(0, cbuf)
+    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_COLOR, rgba, 0.0, 0)
+
+    # vertex shader
+    vs = Shader('''
+        VERT
+        DCL IN[0], POSITION
+        DCL IN[1], COLOR
+        DCL OUT[0], POSITION
+        DCL OUT[1], COLOR
+        MOV OUT[0], IN[0]
+        MOV OUT[1], IN[1]
+        END
+    ''')
+    ctx.set_vertex_shader(vs)
+
+    # fragment shader
+    fs = Shader(file('frag-' + name + '.sh', 'rt').read())
+    ctx.set_fragment_shader(fs)
+
+    constbuf0 = dev.buffer_create(64,
+                                  (PIPE_BUFFER_USAGE_CONSTANT |
+                                   PIPE_BUFFER_USAGE_GPU_READ |
+                                   PIPE_BUFFER_USAGE_CPU_WRITE),
+                                  4 * 4 * 4)
+
+    cbdata = ''
+    cbdata += struct.pack('4f', 0.4, 0.0, 0.0, 1.0)
+    cbdata += struct.pack('4f', 1.0, 1.0, 1.0, 1.0)
+    cbdata += struct.pack('4f', 2.0, 2.0, 2.0, 2.0)
+    cbdata += struct.pack('4f', 4.0, 8.0, 16.0, 32.0)
+
+    constbuf0.write(cbdata, 0)
+
+    ctx.set_constant_buffer(PIPE_SHADER_FRAGMENT,
+                            0,
+                            constbuf0)
+
+    constbuf1 = dev.buffer_create(64,
+                                  (PIPE_BUFFER_USAGE_CONSTANT |
+                                   PIPE_BUFFER_USAGE_GPU_READ |
+                                   PIPE_BUFFER_USAGE_CPU_WRITE),
+                                  4 * 4 * 4)
+
+    cbdata = ''
+    cbdata += struct.pack('4f', 0.1, 0.1, 0.1, 0.1)
+    cbdata += struct.pack('4f', 0.25, 0.25, 0.25, 0.25)
+    cbdata += struct.pack('4f', 0.5, 0.5, 0.5, 0.5)
+    cbdata += struct.pack('4f', 0.75, 0.75, 0.75, 0.75)
+
+    constbuf1.write(cbdata, 0)
+
+    ctx.set_constant_buffer(PIPE_SHADER_FRAGMENT,
+                            1,
+                            constbuf1)
+
+    xy = [
+        -0.8, -0.8,
+         0.8, -0.8,
+         0.0,  0.8,
+    ]
+    color = [
+        1.0, 0.0, 0.0,
+        0.0, 1.0, 0.0,
+        0.0, 0.0, 1.0,
+    ]
+
+    nverts = 3
+    nattrs = 2
+    verts = FloatArray(nverts * nattrs * 4)
+
+    for i in range(0, nverts):
+        verts[i * nattrs * 4 + 0] = xy[i * 2 + 0] # x
+        verts[i * nattrs * 4 + 1] = xy[i * 2 + 1] # y
+        verts[i * nattrs * 4 + 2] = 0.5 # z
+        verts[i * nattrs * 4 + 3] = 1.0 # w
+        verts[i * nattrs * 4 + 4] = color[i * 3 + 0] # r
+        verts[i * nattrs * 4 + 5] = color[i * 3 + 1] # g
+        verts[i * nattrs * 4 + 6] = color[i * 3 + 2] # b
+        verts[i * nattrs * 4 + 7] = 1.0 # a
+
+    ctx.draw_vertices(PIPE_PRIM_TRIANGLES,
+                      nverts,
+                      nattrs,
+                      verts)
+
+    ctx.flush()
+
+    save_image('frag-' + name + '.png', cbuf)
+
+def main():
+    tests = [
+        'abs',
+        'add',
+        'cb-1d',
+        'cb-2d',
+        'dp3',
+        'dp4',
+        'dst',
+        'ex2',
+        'flr',
+        'frc',
+        'lg2',
+        'lit',
+        'lrp',
+        'mad',
+        'max',
+        'min',
+        'mov',
+        'mul',
+        'rcp',
+        'rsq',
+        'sge',
+        'slt',
+        'srcmod-abs',
+        'srcmod-absneg',
+        'srcmod-neg',
+        'srcmod-swz',
+        'sub',
+        'xpd',
+    ]
+
+    dev = Device()
+    for t in tests:
+        test(dev, t)
+
+if __name__ == '__main__':
+    main()

progs/gallium/python/tests/regress/vertex-shader/.gitignore

@@ -0,0 +1 @@
+*.png

progs/gallium/python/tests/regress/vertex-shader/vert-abs.sh

@@ -0,0 +1,15 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+DCL TEMP[0]
+
+IMM FLT32 { 0.2, 0.2, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+ABS OUT[0], TEMP[0]
+MOV OUT[1], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-add.sh

@@ -0,0 +1,13 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+IMM FLT32 { 0.2, -0.1, 0.0, 0.0 }
+
+ADD OUT[0], IN[0], IMM[0]
+MOV OUT[1], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-arl.sh

@@ -0,0 +1,23 @@
+VERT
+
+DCL IN[0], POSITION
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+DCL ADDR[0]
+
+IMM FLT32 { 3.0, 1.0, 1.0, 1.0 }
+IMM FLT32 { 1.0, 0.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 1.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 0.0, 1.0, 1.0 }
+IMM FLT32 { 1.0, 1.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 1.0, 1.0, 1.0 }
+
+MOV OUT[0], IN[0]
+MUL TEMP[0], IN[0], IMM[0]
+ARL ADDR[0].x, TEMP[0]
+MOV OUT[1], IMM[ADDR[0].x + 3]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-arr.sh

@@ -0,0 +1,23 @@
+VERT
+
+DCL IN[0], POSITION
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+DCL ADDR[0]
+
+IMM FLT32 { 3.0, 1.0, 1.0, 1.0 }
+IMM FLT32 { 1.0, 0.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 1.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 0.0, 1.0, 1.0 }
+IMM FLT32 { 1.0, 1.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 1.0, 1.0, 1.0 }
+
+MOV OUT[0], IN[0]
+MUL TEMP[0], IN[0], IMM[0]
+ARR ADDR[0].x, TEMP[0]
+MOV OUT[1], IMM[ADDR[0].x + 3]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-cb-1d.sh

@@ -0,0 +1,16 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+DCL CONST[1]
+DCL CONST[3]
+DCL TEMP[0..1]
+
+MOV OUT[0], IN[0]
+ADD TEMP[0], IN[1], CONST[1]
+RCP TEMP[1], CONST[3].xxxx
+MUL OUT[1], TEMP[0], TEMP[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-cb-2d.sh

@@ -0,0 +1,12 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+DCL CONST[1][1..2]
+
+MOV OUT[0], IN[0]
+MAD OUT[1], IN[1], CONST[1][2], CONST[1][1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-dp3.sh

@@ -0,0 +1,16 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+DCL TEMP[0]
+
+IMM FLT32 { 0.0, 0.0, 1.0, 1.0 }
+
+DP3 TEMP[0].xy, IN[0], IN[0]
+MOV TEMP[0].zw, IMM[0]
+MUL OUT[0], IN[0], TEMP[0]
+MOV OUT[1], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-dp4.sh

@@ -0,0 +1,16 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+DCL TEMP[0]
+
+IMM FLT32 { 0.0, 0.0, 1.0, 1.0 }
+
+DP4 TEMP[0].xy, IN[0], IN[0]
+MOV TEMP[0].zw, IMM[0]
+MUL OUT[0], IN[0], TEMP[0]
+MOV OUT[1], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-dst.sh

@@ -0,0 +1,11 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+MOV OUT[0], IN[0]
+DST OUT[1], IN[1], IN[0]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-ex2.sh

@@ -0,0 +1,18 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0..1]
+
+IMM FLT32 { 0.3, 0.3, 0.3, 1.0 }
+
+EX2 TEMP[0], IN[0]
+EX2 TEMP[1], IN[1].yyyy
+MUL TEMP[0], TEMP[0], IMM[0]
+MOV OUT[0], IN[0]
+MUL OUT[1], TEMP[0], TEMP[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-flr.sh

@@ -0,0 +1,23 @@
+VERT
+
+DCL IN[0], POSITION
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+DCL ADDR[0]
+
+IMM FLT32 { 3.0, 1.0, 1.0, 1.0 }
+IMM FLT32 { 1.0, 0.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 1.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 0.0, 1.0, 1.0 }
+IMM FLT32 { 1.0, 1.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 1.0, 1.0, 1.0 }
+
+MOV OUT[0], IN[0]
+MUL TEMP[0], IN[0], IMM[0]
+FLR ADDR[0].x, TEMP[0]
+MOV OUT[1], IMM[ADDR[0].x + 3]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-frc.sh

@@ -0,0 +1,15 @@
+VERT
+
+DCL IN[0], POSITION
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 2.7, 3.1, 4.5, 1.0 }
+
+MUL TEMP[0], IN[0].xyxw, IMM[0]
+MOV OUT[0], IN[0]
+FRC OUT[1], TEMP[0]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-lg2.sh

@@ -0,0 +1,18 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 1.0, 0.0, 0.0, 0.0 }
+IMM FLT32 { 0.5, 0.0, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+LG2 TEMP[0].x, TEMP[0].xxxx
+ADD OUT[0], TEMP[0], IMM[1]
+MOV OUT[1], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-lit.sh

@@ -0,0 +1,11 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+MOV OUT[0], IN[0]
+LIT OUT[1], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-lrp.sh

@@ -0,0 +1,14 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+ABS TEMP[0], IN[0]
+MOV OUT[0], IN[0]
+LRP OUT[1], TEMP[0], IN[1].xxxx, IN[1].yyyy
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-mad.sh

@@ -0,0 +1,14 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+IMM FLT32 { 0.5, 1.0, 1.0, 1.0 }
+IMM FLT32 { 0.5, 0.0, 0.0, 0.0 }
+
+MAD OUT[0], IN[0], IMM[0], IMM[1]
+MOV OUT[1], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-max.sh

@@ -0,0 +1,13 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+IMM FLT32 { 0.5, 0.5, 0.5, 0.0 }
+
+MOV OUT[0], IN[0]
+MAX OUT[1], IN[1], IMM[0]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-min.sh

@@ -0,0 +1,13 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+IMM FLT32 { 0.5, 0.5, 0.5, 0.0 }
+
+MOV OUT[0], IN[0]
+MIN OUT[1], IN[1], IMM[0]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-mov.sh

@@ -0,0 +1,11 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+MOV OUT[0], IN[0]
+MOV OUT[1], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-mul.sh

@@ -0,0 +1,13 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+IMM FLT32 { 0.6, 0.6, 1.0, 1.0 }
+
+MUL OUT[0], IN[0], IMM[0]
+MOV OUT[1], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-rcp.sh

@@ -0,0 +1,18 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 1.0, 0.0, 0.0, 0.0 }
+IMM FLT32 { 1.5, 0.0, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+RCP TEMP[0].x, TEMP[0].xxxx
+SUB OUT[0], TEMP[0], IMM[1]
+MOV OUT[1], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-rsq.sh

@@ -0,0 +1,18 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 1.0, 0.0, 0.0, 0.0 }
+IMM FLT32 { 1.5, 0.0, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+RSQ TEMP[0].x, TEMP[0].xxxx
+SUB OUT[0], TEMP[0], IMM[1]
+MOV OUT[1], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-sge.sh

@@ -0,0 +1,16 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { -0.1, -0.1, 1.0, 0.0 }
+
+SGE TEMP[0], IN[0], IMM[0]
+MOV OUT[0], IN[0]
+MUL OUT[1], IN[1], TEMP[0]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-slt.sh

@@ -0,0 +1,16 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 0.6, 0.6, 0.0, 0.0 }
+
+SLT TEMP[0], IN[0], IMM[0]
+MOV OUT[0], IN[0]
+MUL OUT[1], IN[1], TEMP[0]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-srcmod-abs.sh

@@ -0,0 +1,15 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+DCL TEMP[0]
+
+IMM FLT32 { 0.1, 0.1, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+MOV OUT[0], |TEMP[0]|
+MOV OUT[1], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-srcmod-absneg.sh

@@ -0,0 +1,16 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+DCL TEMP[0]
+
+IMM FLT32 { -0.2, -0.2, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+MOV OUT[0].xy, -|TEMP[0]|
+MOV OUT[0].zw, IN[0]
+MOV OUT[1], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-srcmod-neg.sh

@@ -0,0 +1,12 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+MOV OUT[0].xy, -IN[0]
+MOV OUT[0].zw, IN[0]
+MOV OUT[1], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-srcmod-swz.sh

@@ -0,0 +1,11 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+MOV OUT[0], IN[0].yxzw
+MOV OUT[1], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-sub.sh

@@ -0,0 +1,13 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+IMM FLT32 { 0.1, 0.1, 0.0, 0.0 }
+
+SUB OUT[0], IN[0], IMM[0]
+MOV OUT[1], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vert-xpd.sh

@@ -0,0 +1,11 @@
+VERT
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+MOV OUT[0], IN[0]
+XPD OUT[1], IN[0], IN[1]
+
+END

progs/gallium/python/tests/regress/vertex-shader/vertex-shader.py

@@ -0,0 +1,287 @@
+#!/usr/bin/env python
+##########################################################################
+# 
+# Copyright 2009 VMware, Inc.
+# 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 VMWARE 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 struct
+
+from gallium import *
+
+def make_image(surface):
+    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)
+    outimage.save(filename, "PNG")
+
+def test(dev, name):
+    ctx = dev.context_create()
+
+    width = 320
+    height = 320
+    minz = 0.0
+    maxz = 1.0
+
+    # disabled blending/masking
+    blend = Blend()
+    blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE
+    blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE
+    blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO
+    blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO
+    blend.rt[0].colormask = PIPE_MASK_RGBA
+    ctx.set_blend(blend)
+
+    # depth/stencil/alpha
+    depth_stencil_alpha = DepthStencilAlpha()
+    depth_stencil_alpha.depth.enabled = 0
+    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.scissor = 1
+    ctx.set_rasterizer(rasterizer)
+
+    # viewport
+    viewport = Viewport()
+    scale = FloatArray(4)
+    scale[0] = width / 2.0
+    scale[1] = -height / 2.0
+    scale[2] = (maxz - minz) / 2.0
+    scale[3] = 1.0
+    viewport.scale = scale
+    translate = FloatArray(4)
+    translate[0] = width / 2.0
+    translate[1] = height / 2.0
+    translate[2] = (maxz - minz) / 2.0
+    translate[3] = 0.0
+    viewport.translate = translate
+    ctx.set_viewport(viewport)
+
+    # 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_NONE
+    sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+    sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+    sampler.normalized_coords = 1
+    ctx.set_fragment_sampler(0, sampler)
+
+    # scissor
+    scissor = Scissor()
+    scissor.minx = 0
+    scissor.miny = 0
+    scissor.maxx = width
+    scissor.maxy = height
+    ctx.set_scissor(scissor)
+
+    clip = Clip()
+    clip.nr = 0
+    ctx.set_clip(clip)
+
+    # framebuffer
+    cbuf = dev.texture_create(
+        PIPE_FORMAT_X8R8G8B8_UNORM,
+        width, height,
+        tex_usage=PIPE_TEXTURE_USAGE_RENDER_TARGET,
+    ).get_surface()
+    fb = Framebuffer()
+    fb.width = width
+    fb.height = height
+    fb.nr_cbufs = 1
+    fb.set_cbuf(0, cbuf)
+    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_COLOR, rgba, 0.0, 0)
+
+    # vertex shader
+    vs = Shader(file('vert-' + name + '.sh', 'rt').read())
+    ctx.set_vertex_shader(vs)
+
+    # fragment shader
+    fs = Shader('''
+        FRAG
+        DCL IN[0], COLOR, LINEAR
+        DCL OUT[0], COLOR, CONSTANT
+        0:MOV OUT[0], IN[0]
+        1:END
+    ''')
+    ctx.set_fragment_shader(fs)
+
+    constbuf0 = dev.buffer_create(64,
+                                  (PIPE_BUFFER_USAGE_CONSTANT |
+                                   PIPE_BUFFER_USAGE_GPU_READ |
+                                   PIPE_BUFFER_USAGE_CPU_WRITE),
+                                  4 * 4 * 4)
+
+    cbdata = ''
+    cbdata += struct.pack('4f', 0.4, 0.0, 0.0, 1.0)
+    cbdata += struct.pack('4f', 1.0, 1.0, 1.0, 1.0)
+    cbdata += struct.pack('4f', 2.0, 2.0, 2.0, 2.0)
+    cbdata += struct.pack('4f', 4.0, 8.0, 16.0, 32.0)
+
+    constbuf0.write(cbdata, 0)
+
+    ctx.set_constant_buffer(PIPE_SHADER_VERTEX,
+                            0,
+                            constbuf0)
+
+    constbuf1 = dev.buffer_create(64,
+                                  (PIPE_BUFFER_USAGE_CONSTANT |
+                                   PIPE_BUFFER_USAGE_GPU_READ |
+                                   PIPE_BUFFER_USAGE_CPU_WRITE),
+                                  4 * 4 * 4)
+
+    cbdata = ''
+    cbdata += struct.pack('4f', 0.1, 0.1, 0.1, 0.1)
+    cbdata += struct.pack('4f', 0.25, 0.25, 0.25, 0.25)
+    cbdata += struct.pack('4f', 0.5, 0.5, 0.5, 0.5)
+    cbdata += struct.pack('4f', 0.75, 0.75, 0.75, 0.75)
+
+    constbuf1.write(cbdata, 0)
+
+    ctx.set_constant_buffer(PIPE_SHADER_VERTEX,
+                            1,
+                            constbuf1)
+
+    xy = [
+         0.0,  0.8,
+        -0.2,  0.4,
+         0.2,  0.4,
+        -0.4,  0.0,
+         0.0,  0.0,
+         0.4,  0.0,
+        -0.6, -0.4,
+        -0.2, -0.4,
+         0.2, -0.4,
+         0.6, -0.4,
+        -0.8, -0.8,
+        -0.4, -0.8,
+         0.0, -0.8,
+         0.4, -0.8,
+         0.8, -0.8,
+    ]
+    color = [
+        1.0, 0.0, 0.0,
+        0.0, 1.0, 0.0,
+        0.0, 0.0, 1.0,
+    ]
+    tri = [
+         1,  2,  0,
+         3,  4,  1,
+         4,  2,  1,
+         4,  5,  2,
+         6,  7,  3,
+         7,  4,  3,
+         7,  8,  4,
+         8,  5,  4,
+         8,  9,  5,
+        10, 11,  6,
+        11,  7,  6,
+        11, 12,  7,
+        12,  8,  7,
+        12, 13,  8,
+        13,  9,  8,
+        13, 14,  9,
+    ]
+
+    nverts = 16 * 3
+    nattrs = 2
+    verts = FloatArray(nverts * nattrs * 4)
+
+    for i in range(0, nverts):
+        verts[i * nattrs * 4 + 0] = xy[tri[i] * 2 + 0] # x
+        verts[i * nattrs * 4 + 1] = xy[tri[i] * 2 + 1] # y
+        verts[i * nattrs * 4 + 2] = 0.5 # z
+        verts[i * nattrs * 4 + 3] = 1.0 # w
+        verts[i * nattrs * 4 + 4] = color[(i % 3) * 3 + 0] # r
+        verts[i * nattrs * 4 + 5] = color[(i % 3) * 3 + 1] # g
+        verts[i * nattrs * 4 + 6] = color[(i % 3) * 3 + 2] # b
+        verts[i * nattrs * 4 + 7] = 1.0 # a
+
+    ctx.draw_vertices(PIPE_PRIM_TRIANGLES,
+                      nverts,
+                      nattrs,
+                      verts)
+
+    ctx.flush()
+
+    save_image('vert-' + name + '.png', cbuf)
+
+def main():
+    tests = [
+        'abs',
+        'add',
+        'arl',
+        'arr',
+        'cb-1d',
+        'cb-2d',
+        'dp3',
+        'dp4',
+        'dst',
+        'ex2',
+        'flr',
+        'frc',
+        'lg2',
+        'lit',
+        'lrp',
+        'mad',
+        'max',
+        'min',
+        'mov',
+        'mul',
+        'rcp',
+        'rsq',
+        'sge',
+        'slt',
+        'srcmod-abs',
+        'srcmod-absneg',
+        'srcmod-neg',
+        'srcmod-swz',
+        'sub',
+        'xpd',
+    ]
+
+    dev = Device()
+    for t in tests:
+        test(dev, t)
+
+if __name__ == '__main__':
+    main()

progs/gallium/python/tests/surface_copy.py

@@ -0,0 +1,200 @@
+#!/usr/bin/env python
+##########################################################################
+# 
+# Copyright 2009 VMware, Inc.
+# 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 VMWARE 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.
+# 
+##########################################################################
+
+
+from gallium import *
+from base import *
+
+
+def lods(*dims):
+    size = max(dims)
+    lods = 0
+    while size:
+        lods += 1
+        size >>= 1
+    return lods
+
+
+class TextureTest(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
+        
+        #  textures
+        dst_texture = dev.texture_create(
+            target = target,
+            format = format, 
+            width = width, 
+            height = height,
+            depth = depth, 
+            last_level = last_level,
+            tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
+        )
+        if dst_texture is None:
+            raise TestSkip
+
+        dst_surface = dst_texture.get_surface(face = face, level = level, zslice = zslice)
+        
+        src_texture = dev.texture_create(
+            target = target,
+            format = format, 
+            width = dst_surface.width, 
+            height = dst_surface.height,
+            depth = 1, 
+            last_level = 0,
+            tex_usage = PIPE_TEXTURE_USAGE_SAMPLER,
+        )
+
+        src_surface = src_texture.get_surface()
+        
+        x = 0
+        y = 0
+        w = dst_surface.width
+        h = dst_surface.height
+
+        # ???
+        stride = pf_get_stride(texture->format, w)
+        size = pf_get_nblocksy(texture->format) * stride
+        src_raw = os.urandom(size)
+
+        src_surface.put_tile_raw(0, 0, w, h, src_raw, stride)
+
+        ctx = self.dev.context_create()
+    
+        ctx.surface_copy(dst_surface, 0, 0, 
+                         src_surface, 0, 0, w, h)
+    
+        ctx.flush()
+
+        dst_raw = dst_surface.get_tile_raw(0, 0, w, h)
+
+        if dst_raw != src_raw:
+            raise TestFailure
+        
+
+
+def main():
+    dev = Device()
+    suite = TestSuite()
+    
+    targets = [
+        PIPE_TEXTURE_2D,
+        PIPE_TEXTURE_CUBE,
+        #PIPE_TEXTURE_3D,
+    ]
+    
+    formats = [
+        PIPE_FORMAT_A8R8G8B8_UNORM,
+        PIPE_FORMAT_X8R8G8B8_UNORM,
+        PIPE_FORMAT_A8R8G8B8_SRGB,
+        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_A8_UNORM,
+        PIPE_FORMAT_L8_UNORM,
+        PIPE_FORMAT_DXT1_RGB,
+        PIPE_FORMAT_DXT1_RGBA,
+        PIPE_FORMAT_DXT3_RGBA,
+        PIPE_FORMAT_DXT5_RGBA,
+    ]
+    
+    sizes = [64, 32, 16, 8, 4, 2, 1]
+    #sizes = [1020, 508, 252, 62, 30, 14, 6, 3]
+    #sizes = [64]
+    #sizes = [63]
+    
+    faces = [
+        PIPE_TEX_FACE_POS_X,
+        PIPE_TEX_FACE_NEG_X,
+        PIPE_TEX_FACE_POS_Y,
+        PIPE_TEX_FACE_NEG_Y, 
+        PIPE_TEX_FACE_POS_Z, 
+        PIPE_TEX_FACE_NEG_Z,
+    ]
+
+    for target in targets:
+        for format in formats:
+            for size in sizes:
+                if target == PIPE_TEXTURE_3D:
+                    depth = size
+                else:
+                    depth = 1
+                for face in faces:
+                    if target != PIPE_TEXTURE_CUBE and face:
+                        continue
+                    levels = lods(size)
+                    for last_level in range(levels):
+                        for level in range(0, last_level + 1):
+                            zslice = 0
+                            while zslice < depth >> level:
+                                test = TextureTest(
+                                    dev = dev,
+                                    target = target,
+                                    format = format, 
+                                    width = size,
+                                    height = size,
+                                    depth = depth,
+                                    last_level = last_level,
+                                    face = face,
+                                    level = level,
+                                    zslice = zslice,
+                                )
+                                suite.add_test(test)
+                                zslice = (zslice + 1)*2 - 1
+    suite.run()
+
+
+if __name__ == '__main__':
+    main()

progs/gallium/python/tests/texture_render.py

@@ -0,0 +1,320 @@
+#!/usr/bin/env python
+##########################################################################
+# 
+# Copyright 2009 VMware, Inc.
+# 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 VMWARE 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.
+# 
+##########################################################################
+
+
+from gallium import *
+from base import *
+
+
+def lods(*dims):
+    size = max(dims)
+    lods = 0
+    while size:
+        lods += 1
+        size >>= 1
+    return lods
+
+
+class TextureTest(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
+        
+        #  textures
+        dst_texture = dev.texture_create(
+            target = target,
+            format = format, 
+            width = width, 
+            height = height,
+            depth = depth, 
+            last_level = last_level,
+            tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
+        )
+        if dst_texture is None:
+            raise TestSkip
+
+        dst_surface = dst_texture.get_surface(face = face, level = level, zslice = zslice)
+        
+        ref_texture = dev.texture_create(
+            target = target,
+            format = format, 
+            width = dst_surface.width, 
+            height = dst_surface.height,
+            depth = 1, 
+            last_level = 0,
+            tex_usage = PIPE_TEXTURE_USAGE_SAMPLER,
+        )
+
+        ref_surface = ref_texture.get_surface()
+        
+        src_texture = dev.texture_create(
+            target = target,
+            format = PIPE_FORMAT_A8R8G8B8_UNORM, 
+            width = dst_surface.width, 
+            height = dst_surface.height,
+            depth = 1, 
+            last_level = 0,
+            tex_usage = PIPE_TEXTURE_USAGE_SAMPLER,
+        )
+
+        src_surface = src_texture.get_surface()
+        
+        expected_rgba = FloatArray(height*width*4) 
+        ref_surface.sample_rgba(expected_rgba)
+
+        src_surface.put_tile_rgba(0, 0, src_surface.width, src_surface.height, expected_rgba)
+        
+        ctx = self.dev.context_create()
+    
+        # disabled blending/masking
+        blend = Blend()
+        blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE
+        blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE
+        blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO
+        blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO
+        blend.rt[0].colormask = PIPE_MASK_RGBA
+        ctx.set_blend(blend)
+    
+        # no-op depth/stencil/alpha
+        depth_stencil_alpha = DepthStencilAlpha()
+        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_fragment_sampler(0, sampler)
+        ctx.set_fragment_sampler_texture(0, src_texture)
+
+        #  framebuffer 
+        cbuf_tex = dev.texture_create(
+            PIPE_FORMAT_A8R8G8B8_UNORM, 
+            width, 
+            height,
+            tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
+        )
+
+        fb = Framebuffer()
+        fb.width = dst_surface.width
+        fb.height = dst_surface.height
+        fb.nr_cbufs = 1
+        fb.set_cbuf(0, dst_surface)
+        ctx.set_framebuffer(fb)
+        rgba = FloatArray(4);
+        rgba[0] = 0.0
+        rgba[1] = 0.0
+        rgba[2] = 0.0
+        rgba[3] = 0.0
+        ctx.clear(PIPE_CLEAR_COLOR, rgba, 0.0, 0)
+        del fb
+    
+        # vertex shader
+        vs = Shader('''
+            VERT
+            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
+        fs = Shader('''
+            FRAG
+            DCL IN[0], GENERIC[0], LINEAR
+            DCL OUT[0], COLOR, CONSTANT
+            DCL SAMP[0], CONSTANT
+            0:TEX OUT[0], IN[0], SAMP[0], 2D
+            1:END
+        ''')
+        #fs.dump()
+        ctx.set_fragment_shader(fs)
+
+        nverts = 4
+        nattrs = 2
+        verts = FloatArray(nverts * nattrs * 4)
+    
+        x = 0
+        y = 0
+        w = dst_surface.width
+        h = dst_surface.height
+    
+        pos = [
+            [x, y],
+            [x+w, y],
+            [x+w, y+h],
+            [x, y+h],
+        ]
+    
+        tex = [
+            [0.0, 0.0], 
+            [1.0, 0.0], 
+            [1.0, 1.0], 
+            [0.0, 1.0],
+        ]
+    
+        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] = 0.0
+            verts[j + 7] = 1.0
+    
+        ctx.draw_vertices(PIPE_PRIM_TRIANGLE_FAN,
+                          nverts, 
+                          nattrs, 
+                          verts)
+    
+        ctx.flush()
+    
+        self.assert_rgba(dst_surface, x, y, w, h, expected_rgba, 4.0/256, 0.85)
+        
+
+
+def main():
+    dev = Device()
+    suite = TestSuite()
+    
+    targets = [
+        PIPE_TEXTURE_2D,
+        PIPE_TEXTURE_CUBE,
+        #PIPE_TEXTURE_3D,
+    ]
+    
+    formats = [
+        PIPE_FORMAT_A8R8G8B8_UNORM,
+        PIPE_FORMAT_X8R8G8B8_UNORM,
+        #PIPE_FORMAT_A8R8G8B8_SRGB,
+        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_A8_UNORM,
+        PIPE_FORMAT_L8_UNORM,
+        #PIPE_FORMAT_DXT1_RGB,
+        #PIPE_FORMAT_DXT1_RGBA,
+        #PIPE_FORMAT_DXT3_RGBA,
+        #PIPE_FORMAT_DXT5_RGBA,
+    ]
+    
+    sizes = [64, 32, 16, 8, 4, 2, 1]
+    #sizes = [1020, 508, 252, 62, 30, 14, 6, 3]
+    #sizes = [64]
+    #sizes = [63]
+    
+    faces = [
+        PIPE_TEX_FACE_POS_X,
+        PIPE_TEX_FACE_NEG_X,
+        PIPE_TEX_FACE_POS_Y,
+        PIPE_TEX_FACE_NEG_Y, 
+        PIPE_TEX_FACE_POS_Z, 
+        PIPE_TEX_FACE_NEG_Z,
+    ]
+
+    for target in targets:
+        for format in formats:
+            for size in sizes:
+                if target == PIPE_TEXTURE_3D:
+                    depth = size
+                else:
+                    depth = 1
+                for face in faces:
+                    if target != PIPE_TEXTURE_CUBE and face:
+                        continue
+                    levels = lods(size)
+                    for last_level in range(levels):
+                        for level in range(0, last_level + 1):
+                            zslice = 0
+                            while zslice < depth >> level:
+                                test = TextureTest(
+                                    dev = dev,
+                                    target = target,
+                                    format = format, 
+                                    width = size,
+                                    height = size,
+                                    depth = depth,
+                                    last_level = last_level,
+                                    face = face,
+                                    level = level,
+                                    zslice = zslice,
+                                )
+                                suite.add_test(test)
+                                zslice = (zslice + 1)*2 - 1
+    suite.run()
+
+
+if __name__ == '__main__':
+    main()

progs/gallium/python/tests/texture_sample.py

@@ -0,0 +1,591 @@
+#!/usr/bin/env python
+##########################################################################
+# 
+# Copyright 2009 VMware, Inc.
+# 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 VMWARE 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.
+# 
+##########################################################################
+
+
+from gallium import *
+from base import *
+
+
+def lods(*dims):
+    size = max(dims)
+    lods = 0
+    while size:
+        lods += 1
+        size >>= 1
+    return lods
+
+
+def minify(dims, level = 1):
+    return [max(dim>>level, 1) for dim in dims]
+
+
+def tex_coords(texture, face, level, zslice):
+    st = [ 
+        [0.0, 0.0], 
+        [1.0, 0.0], 
+        [1.0, 1.0], 
+        [0.0, 1.0],
+    ] 
+    
+    if texture.target == PIPE_TEXTURE_2D:
+        return [[s, t, 0.0] for s, t in st]
+    elif texture.target == PIPE_TEXTURE_3D:
+        depth = texture.get_depth(level)
+        if depth > 1:
+            r = float(zslice)/float(depth - 1)
+        else:
+            r = 0.0
+        return [[s, t, r] for s, t in st]
+    elif texture.target == PIPE_TEXTURE_CUBE:
+        result = []
+        for s, t in st:
+            # See http://developer.nvidia.com/object/cube_map_ogl_tutorial.html
+            sc = 2.0*s - 1.0
+            tc = 2.0*t - 1.0
+            if face == PIPE_TEX_FACE_POS_X:
+                rx = 1.0
+                ry = -tc
+                rz = -sc
+            if face == PIPE_TEX_FACE_NEG_X:
+                rx = -1.0
+                ry = -tc
+                rz = sc
+            if face == PIPE_TEX_FACE_POS_Y:
+                rx = sc
+                ry = 1.0
+                rz = tc
+            if face == PIPE_TEX_FACE_NEG_Y:
+                rx = sc
+                ry = -1.0
+                rz = -tc
+            if face == PIPE_TEX_FACE_POS_Z:
+                rx = sc
+                ry = -tc
+                rz = 1.0
+            if face == PIPE_TEX_FACE_NEG_Z:
+                rx = -sc
+                ry = -tc
+                rz = -1.0
+            result.append([rx, ry, rz])
+        return result
+
+def is_pot(n):
+    return n & (n - 1) == 0
+      
+                
+class TextureColorSampleTest(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.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE
+        blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE
+        blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO
+        blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO
+        blend.rt[0].colormask = PIPE_MASK_RGBA
+        ctx.set_blend(blend)
+    
+        # no-op depth/stencil/alpha
+        depth_stencil_alpha = DepthStencilAlpha()
+        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_fragment_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_fragment_sampler_texture(0, texture)
+
+        #  framebuffer 
+        cbuf_tex = dev.texture_create(
+            PIPE_FORMAT_A8R8G8B8_UNORM, 
+            width, 
+            height,
+            tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
+        )
+
+        cbuf = cbuf_tex.get_surface()
+        fb = Framebuffer()
+        fb.width = width
+        fb.height = height
+        fb.nr_cbufs = 1
+        fb.set_cbuf(0, cbuf)
+        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_COLOR, rgba, 0.0, 0)
+        del fb
+    
+        # vertex shader
+        vs = Shader('''
+            VERT
+            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('''
+            FRAG
+            DCL IN[0], GENERIC[0], LINEAR
+            DCL OUT[0], COLOR, CONSTANT
+            DCL SAMP[0], CONSTANT
+            0:TEX OUT[0], 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()
+    
+        cbuf = cbuf_tex.get_surface()
+        
+        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.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE
+        blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE
+        blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO
+        blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO
+        blend.rt[0].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_fragment_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_fragment_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('''
+            VERT
+            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('''
+            FRAG
+            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()
+    suite = TestSuite()
+    
+    targets = [
+        PIPE_TEXTURE_2D,
+        PIPE_TEXTURE_CUBE,
+        PIPE_TEXTURE_3D,
+    ]
+    
+    color_formats = [
+        PIPE_FORMAT_A8R8G8B8_UNORM,
+        PIPE_FORMAT_X8R8G8B8_UNORM,
+        #PIPE_FORMAT_A8R8G8B8_SRGB,
+        PIPE_FORMAT_R5G6B5_UNORM,
+        PIPE_FORMAT_A1R5G5B5_UNORM,
+        PIPE_FORMAT_A4R4G4B4_UNORM,
+        PIPE_FORMAT_A8_UNORM,
+        PIPE_FORMAT_L8_UNORM,
+        PIPE_FORMAT_YCBCR,
+        PIPE_FORMAT_DXT1_RGB,
+        #PIPE_FORMAT_DXT1_RGBA,
+        #PIPE_FORMAT_DXT3_RGBA,
+        #PIPE_FORMAT_DXT5_RGBA,
+    ]
+    
+    depth_formats = [
+        PIPE_FORMAT_Z32_UNORM,
+        PIPE_FORMAT_Z24S8_UNORM,
+        PIPE_FORMAT_Z24X8_UNORM,
+        PIPE_FORMAT_Z16_UNORM,
+    ]
+    
+    sizes = [64, 32, 16, 8, 4, 2, 1]
+    #sizes = [1020, 508, 252, 62, 30, 14, 6, 3]
+    #sizes = [64]
+    #sizes = [63]
+    
+    faces = [
+        PIPE_TEX_FACE_POS_X,
+        PIPE_TEX_FACE_NEG_X,
+        PIPE_TEX_FACE_POS_Y,
+        PIPE_TEX_FACE_NEG_Y, 
+        PIPE_TEX_FACE_POS_Z, 
+        PIPE_TEX_FACE_NEG_Z,
+    ]
+
+    for format in color_formats:
+        for target in targets:
+            for size in sizes:
+                if target == PIPE_TEXTURE_3D:
+                    depth = size
+                else:
+                    depth = 1
+                for face in faces:
+                    if target != PIPE_TEXTURE_CUBE and face:
+                        continue
+                    levels = lods(size)
+                    for last_level in range(levels):
+                        for level in range(0, last_level + 1):
+                            zslice = 0
+                            while zslice < depth >> level:
+                                test = TextureColorSampleTest(
+                                    dev = dev,
+                                    target = target,
+                                    format = format, 
+                                    width = size,
+                                    height = size,
+                                    depth = depth,
+                                    last_level = last_level,
+                                    face = face,
+                                    level = level,
+                                    zslice = zslice,
+                                )
+                                suite.add_test(test)
+                                zslice = (zslice + 1)*2 - 1
+    for format in depth_formats:
+        target = PIPE_TEXTURE_2D
+        depth = 1
+        face = 0
+        last_level = 0
+        level = 0
+        zslice = 0
+        for size in sizes:
+            test = TextureDepthSampleTest(
+                dev = dev,
+                target = target,
+                format = format, 
+                width = size,
+                height = size,
+                depth = depth,
+                last_level = last_level,
+                face = face,
+                level = level,
+                zslice = zslice,
+            )
+            suite.add_test(test)
+    suite.run()
+
+
+if __name__ == '__main__':
+    main()

progs/gallium/python/tests/texture_transfer.py

@@ -0,0 +1,180 @@
+#!/usr/bin/env python
+##########################################################################
+# 
+# Copyright 2009 VMware, Inc.
+# 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 VMWARE 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 os
+
+from gallium import *
+from base import *
+
+
+def lods(*dims):
+    size = max(dims)
+    lods = 0
+    while size:
+        lods += 1
+        size >>= 1
+    return lods
+
+
+class TextureTest(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 = 0
+        
+        texture = dev.texture_create(
+            target = target,
+            format = format, 
+            width = width, 
+            height = height,
+            depth = depth, 
+            last_level = last_level,
+            tex_usage = tex_usage,
+        )
+        if texture is None:
+            raise TestSkip
+        
+        surface = texture.get_surface(face, level, zslice)
+        
+        # ???
+        stride = pf_get_stride(texture->format, w)
+        size = pf_get_nblocksy(texture->format) * stride
+
+        in_raw = os.urandom(size)
+
+        surface.put_tile_raw(0, 0, surface.width, surface.height, in_raw, stride)
+
+        out_raw = surface.get_tile_raw(0, 0, surface.width, surface.height)
+
+        if in_raw != out_raw:
+            raise TestFailure
+
+
+def main():
+    dev = Device()
+    suite = TestSuite()
+    
+    targets = [
+        PIPE_TEXTURE_2D,
+        PIPE_TEXTURE_CUBE,
+        PIPE_TEXTURE_3D,
+    ]
+    
+    formats = [
+        PIPE_FORMAT_A8R8G8B8_UNORM,
+        PIPE_FORMAT_X8R8G8B8_UNORM,
+        PIPE_FORMAT_A8R8G8B8_SRGB,
+        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_A8_UNORM,
+        PIPE_FORMAT_L8_UNORM,
+        PIPE_FORMAT_DXT1_RGB,
+        PIPE_FORMAT_DXT1_RGBA,
+        PIPE_FORMAT_DXT3_RGBA,
+        PIPE_FORMAT_DXT5_RGBA,
+    ]
+    
+    sizes = [64, 32, 16, 8, 4, 2, 1]
+    #sizes = [1020, 508, 252, 62, 30, 14, 6, 3]
+    #sizes = [64]
+    #sizes = [63]
+    
+    faces = [
+        PIPE_TEX_FACE_POS_X,
+        PIPE_TEX_FACE_NEG_X,
+        PIPE_TEX_FACE_POS_Y,
+        PIPE_TEX_FACE_NEG_Y, 
+        PIPE_TEX_FACE_POS_Z, 
+        PIPE_TEX_FACE_NEG_Z,
+    ]
+
+    for target in targets:
+        for format in formats:
+            for size in sizes:
+                if target == PIPE_TEXTURE_3D:
+                    depth = size
+                else:
+                    depth = 1
+                for face in faces:
+                    if target != PIPE_TEXTURE_CUBE and face:
+                        continue
+                    levels = lods(size)
+                    for last_level in range(levels):
+                        for level in range(0, last_level + 1):
+                            zslice = 0
+                            while zslice < depth >> level:
+                                test = TextureTest(
+                                    dev = dev,
+                                    target = target,
+                                    format = format, 
+                                    width = size,
+                                    height = size,
+                                    depth = depth,
+                                    last_level = last_level,
+                                    face = face,
+                                    level = level,
+                                    zslice = zslice,
+                                )
+                                suite.add_test(test)
+                                zslice = (zslice + 1)*2 - 1
+    suite.run()
+
+
+if __name__ == '__main__':
+    main()

progs/gallium/python/tests/tree.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+# 
+# See also:
+#  http://www.ailab.si/orange/doc/ofb/c_otherclass.htm
+
+import os.path
+import sys
+
+import orange
+import orngTree
+
+for arg in sys.argv[1:]:
+    name, ext = os.path.splitext(arg)
+
+    data = orange.ExampleTable(arg)
+
+    tree = orngTree.TreeLearner(data, sameMajorityPruning=1, mForPruning=2)
+
+    orngTree.printTxt(tree)
+
+    file(name+'.txt', 'wt').write(orngTree.dumpTree(tree) + '\n')
+
+    orngTree.printDot(tree, fileName=name+'.dot', nodeShape='ellipse', leafShape='box')