xkeyboard-config libxcb xserver mesa git update 1 May 2014

xserver          commit 2535b76c0d32bc1dd0ddaca06a419a68a4757df1
libxcb           commit d978a4f69b30b630f28d07f1003cf290284d24d8
xkeyboard-config commit 5274a69ee85fb6c425c33c631fa8ea1310a8f097
mesa             commit a773fdc64da8ba88d8c7f8e383c45248b0c3aa19

7 files changed, 273 insertions, 178 deletions

diff --git a/mesalib/src/gallium/auxiliary/util/u_blit.c b/mesalib/src/gallium/auxiliary/util/u_blit.c
index 4b25b93dd..f69b4b1ab 100644
--- a/mesalib/src/gallium/auxiliary/util/u_blit.c
+++ b/mesalib/src/gallium/auxiliary/util/u_blit.c
@@ -520,6 +520,7 @@ util_blit_pixels_tex(struct blit_state *ctx,
    cso_save_depth_stencil_alpha(ctx->cso);
    cso_save_rasterizer(ctx->cso);
    cso_save_sample_mask(ctx->cso);
+   cso_save_min_samples(ctx->cso);
    cso_save_samplers(ctx->cso, PIPE_SHADER_FRAGMENT);
    cso_save_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT);
    cso_save_stream_outputs(ctx->cso);
@@ -535,6 +536,7 @@ util_blit_pixels_tex(struct blit_state *ctx,
    cso_set_blend(ctx->cso, &ctx->blend_write_color);
    cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_keep_depthstencil);
    cso_set_sample_mask(ctx->cso, ~0);
+   cso_set_min_samples(ctx->cso, 1);
    cso_set_rasterizer(ctx->cso, &ctx->rasterizer);
    cso_set_vertex_elements(ctx->cso, 2, ctx->velem);
    cso_set_stream_outputs(ctx->cso, 0, NULL, NULL);
@@ -597,6 +599,7 @@ util_blit_pixels_tex(struct blit_state *ctx,
    cso_restore_depth_stencil_alpha(ctx->cso);
    cso_restore_rasterizer(ctx->cso);
    cso_restore_sample_mask(ctx->cso);
+   cso_restore_min_samples(ctx->cso);
    cso_restore_samplers(ctx->cso, PIPE_SHADER_FRAGMENT);
    cso_restore_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT);
    cso_restore_viewport(ctx->cso);
diff --git a/mesalib/src/gallium/auxiliary/util/u_format_pack.py b/mesalib/src/gallium/auxiliary/util/u_format_pack.py
index 8072fdb13..f9496de6c 100644
--- a/mesalib/src/gallium/auxiliary/util/u_format_pack.py
+++ b/mesalib/src/gallium/auxiliary/util/u_format_pack.py
@@ -40,24 +40,33 @@
 from u_format_parse import *
 
 
+def inv_swizzles(swizzles):
+    '''Return an array[4] of inverse swizzle terms'''
+    '''Only pick the first matching value to avoid l8 getting blue and i8 getting alpha'''
+    inv_swizzle = [None]*4
+    for i in range(4):
+        swizzle = swizzles[i]
+        if swizzle < 4 and inv_swizzle[swizzle] == None:
+            inv_swizzle[swizzle] = i
+    return inv_swizzle
+
+def print_channels(format, func):
+    if format.nr_channels() <= 1:
+        func(format.le_channels, format.le_swizzles)
+    else:
+        print '#ifdef PIPE_ARCH_BIG_ENDIAN'
+        func(format.be_channels, format.be_swizzles)
+        print '#else'
+        func(format.le_channels, format.le_swizzles)
+        print '#endif'
+
 def generate_format_type(format):
     '''Generate a structure that describes the format.'''
 
     assert format.layout == PLAIN
     
-    print 'union util_format_%s {' % format.short_name()
-    
-    if format.block_size() in (8, 16, 32, 64):
-        print '   uint%u_t value;' % (format.block_size(),)
-
-    use_bitfields = False
-    for channel in format.channels:
-        if channel.size % 8 or not is_pot(channel.size):
-            use_bitfields = True
-
-    print '   struct {'
-    for channel in format.channels:
-        if use_bitfields:
+    def generate_bitfields(channels, swizzles):
+        for channel in channels:
             if channel.type == VOID:
                 if channel.size:
                     print '      unsigned %s:%u;' % (channel.name, channel.size)
@@ -74,7 +83,9 @@ def generate_format_type(format):
                     print '      unsigned %s:%u;' % (channel.name, channel.size)
             else:
                 assert 0
-        else:
+
+    def generate_full_fields(channels, swizzles):
+        for channel in channels:
             assert channel.size % 8 == 0 and is_pot(channel.size)
             if channel.type == VOID:
                 if channel.size:
@@ -94,6 +105,22 @@ def generate_format_type(format):
                     assert 0
             else:
                 assert 0
+
+    print 'union util_format_%s {' % format.short_name()
+    
+    if format.block_size() in (8, 16, 32, 64):
+        print '   uint%u_t value;' % (format.block_size(),)
+
+    use_bitfields = False
+    for channel in format.le_channels:
+        if channel.size % 8 or not is_pot(channel.size):
+            use_bitfields = True
+
+    print '   struct {'
+    if use_bitfields:
+        print_channels(format, generate_bitfields)
+    else:
+        print_channels(format, generate_full_fields)
     print '   } chan;'
     print '};'
     print
@@ -109,7 +136,7 @@ def is_format_supported(format):
         return False
 
     for i in range(4):
-        channel = format.channels[i]
+        channel = format.le_channels[i]
         if channel.type not in (VOID, UNSIGNED, SIGNED, FLOAT, FIXED):
             return False
         if channel.type == FLOAT and channel.size not in (16, 32, 64):
@@ -117,27 +144,6 @@ def is_format_supported(format):
 
     return True
 
-def is_format_pure_unsigned(format):
-    for i in range(4):
-        channel = format.channels[i]
-        if channel.type not in (VOID, UNSIGNED):
-            return False
-        if channel.type == UNSIGNED and channel.pure == False:
-            return False
-
-    return True
-
-
-def is_format_pure_signed(format):
-    for i in range(4):
-        channel = format.channels[i]
-        if channel.type not in (VOID, SIGNED):
-            return False
-        if channel.type == SIGNED and channel.pure == False:
-            return False
-
-    return True
-
 def native_type(format):
     '''Get the native appropriate for a format.'''
 
@@ -152,7 +158,7 @@ def native_type(format):
             return 'uint%u_t' % format.block_size()
         else:
             # For array pixel formats return the integer type that matches the color channel
-            channel = format.channels[0]
+            channel = format.array_element()
             if channel.type in (UNSIGNED, VOID):
                 return 'uint%u_t' % channel.size
             elif channel.type in (SIGNED, FIXED):
@@ -410,13 +416,13 @@ def generate_unpack_kernel(format, dst_channel, dst_native_type):
 
     src_native_type = native_type(format)
 
-    if format.is_bitmask():
+    def unpack_from_bitmask(channels, swizzles):
         depth = format.block_size()
         print '         uint%u_t value = *(const uint%u_t *)src;' % (depth, depth) 
 
         # Declare the intermediate variables
         for i in range(format.nr_channels()):
-            src_channel = format.channels[i]
+            src_channel = channels[i]
             if src_channel.type == UNSIGNED:
                 print '         uint%u_t %s;' % (depth, src_channel.name)
             elif src_channel.type == SIGNED:
@@ -424,7 +430,7 @@ def generate_unpack_kernel(format, dst_channel, dst_native_type):
 
         # Compute the intermediate unshifted values 
         for i in range(format.nr_channels()):
-            src_channel = format.channels[i]
+            src_channel = channels[i]
             value = 'value'
             shift = src_channel.shift
             if src_channel.type == UNSIGNED:
@@ -451,9 +457,9 @@ def generate_unpack_kernel(format, dst_channel, dst_native_type):
                 
         # Convert, swizzle, and store final values
         for i in range(4):
-            swizzle = format.swizzles[i]
+            swizzle = swizzles[i]
             if swizzle < 4:
-                src_channel = format.channels[swizzle]
+                src_channel = channels[swizzle]
                 src_colorspace = format.colorspace
                 if src_colorspace == SRGB and i == 3:
                     # Alpha channel is linear
@@ -473,14 +479,14 @@ def generate_unpack_kernel(format, dst_channel, dst_native_type):
                 assert False
             print '         dst[%u] = %s; /* %s */' % (i, value, 'rgba'[i])
         
-    else:
+    def unpack_from_union(channels, swizzles):
         print '         union util_format_%s pixel;' % format.short_name()
         print '         memcpy(&pixel, src, sizeof pixel);'
     
         for i in range(4):
-            swizzle = format.swizzles[i]
+            swizzle = swizzles[i]
             if swizzle < 4:
-                src_channel = format.channels[swizzle]
+                src_channel = channels[swizzle]
                 src_colorspace = format.colorspace
                 if src_colorspace == SRGB and i == 3:
                     # Alpha channel is linear
@@ -500,6 +506,11 @@ def generate_unpack_kernel(format, dst_channel, dst_native_type):
                 assert False
             print '         dst[%u] = %s; /* %s */' % (i, value, 'rgba'[i])
     
+    if format.is_bitmask():
+        print_channels(format, unpack_from_bitmask)
+    else:
+        print_channels(format, unpack_from_union)
+
 
 def generate_pack_kernel(format, src_channel, src_native_type):
 
@@ -510,14 +521,14 @@ def generate_pack_kernel(format, src_channel, src_native_type):
 
     assert format.layout == PLAIN
 
-    inv_swizzle = format.inv_swizzles()
+    def pack_into_bitmask(channels, swizzles):
+        inv_swizzle = inv_swizzles(swizzles)
 
-    if format.is_bitmask():
         depth = format.block_size()
         print '         uint%u_t value = 0;' % depth 
 
         for i in range(4):
-            dst_channel = format.channels[i]
+            dst_channel = channels[i]
             shift = dst_channel.shift
             if inv_swizzle[i] is not None:
                 value ='src[%u]' % inv_swizzle[i]
@@ -544,11 +555,13 @@ def generate_pack_kernel(format, src_channel, src_native_type):
                 
         print '         *(uint%u_t *)dst = value;' % depth 
 
-    else:
+    def pack_into_union(channels, swizzles):
+        inv_swizzle = inv_swizzles(swizzles)
+
         print '         union util_format_%s pixel;' % format.short_name()
     
         for i in range(4):
-            dst_channel = format.channels[i]
+            dst_channel = channels[i]
             width = dst_channel.size
             if inv_swizzle[i] is None:
                 continue
@@ -565,6 +578,11 @@ def generate_pack_kernel(format, src_channel, src_native_type):
     
         print '         memcpy(dst, &pixel, sizeof pixel);'
     
+    if format.is_bitmask():
+        print_channels(format, pack_into_bitmask)
+    else:
+        print_channels(format, pack_into_union)
+
 
 def generate_format_unpack(format, dst_channel, dst_native_type, dst_suffix):
     '''Generate the function to unpack pixels from a particular format'''
@@ -662,7 +680,7 @@ def generate(formats):
             if is_format_supported(format):
                 generate_format_type(format)
 
-            if is_format_pure_unsigned(format):
+            if format.is_pure_unsigned():
                 native_type = 'unsigned'
                 suffix = 'unsigned'
                 channel = Channel(UNSIGNED, False, True, 32)
@@ -676,7 +694,7 @@ def generate(formats):
                 suffix = 'signed'
                 generate_format_unpack(format, channel, native_type, suffix)
                 generate_format_pack(format, channel, native_type, suffix)   
-            elif is_format_pure_signed(format):
+            elif format.is_pure_signed():
                 native_type = 'int'
                 suffix = 'signed'
                 channel = Channel(SIGNED, False, True, 32)
diff --git a/mesalib/src/gallium/auxiliary/util/u_format_parse.py b/mesalib/src/gallium/auxiliary/util/u_format_parse.py
index e202099b9..15cc6d4fe 100644
--- a/mesalib/src/gallium/auxiliary/util/u_format_parse.py
+++ b/mesalib/src/gallium/auxiliary/util/u_format_parse.py
@@ -30,8 +30,6 @@
 '''
 
 
-import sys
-
 VOID, UNSIGNED, SIGNED, FIXED, FLOAT = range(5)
 
 SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W, SWIZZLE_0, SWIZZLE_1, SWIZZLE_NONE, = range(7)
@@ -44,9 +42,6 @@ YUV = 'yuv'
 ZS = 'zs'
 
 
-# Not cross-compiler friendly
-is_big_endian = sys.byteorder == 'big'
-
 def is_pot(x):
    return (x & (x - 1)) == 0
 
@@ -109,13 +104,15 @@ class Channel:
 class Format:
     '''Describe a pixel format.'''
 
-    def __init__(self, name, layout, block_width, block_height, channels, swizzles, colorspace):
+    def __init__(self, name, layout, block_width, block_height, le_channels, le_swizzles, be_channels, be_swizzles, colorspace):
         self.name = name
         self.layout = layout
         self.block_width = block_width
         self.block_height = block_height
-        self.channels = channels
-        self.swizzles = swizzles
+        self.le_channels = le_channels
+        self.le_swizzles = le_swizzles
+        self.be_channels = be_channels
+        self.be_swizzles = be_swizzles
         self.name = name
         self.colorspace = colorspace
 
@@ -134,42 +131,45 @@ class Format:
 
     def block_size(self):
         size = 0
-        for channel in self.channels:
+        for channel in self.le_channels:
             size += channel.size
         return size
 
     def nr_channels(self):
         nr_channels = 0
-        for channel in self.channels:
+        for channel in self.le_channels:
             if channel.size:
                 nr_channels += 1
         return nr_channels
 
-    def is_array(self):
+    def array_element(self):
         if self.layout != PLAIN:
-            return False
-        ref_channel = self.channels[0]
+            return None
+        ref_channel = self.le_channels[0]
         if ref_channel.type == VOID:
-           ref_channel = self.channels[1]
-        for channel in self.channels:
+           ref_channel = self.le_channels[1]
+        for channel in self.le_channels:
             if channel.size and (channel.size != ref_channel.size or channel.size % 8):
-                return False
+                return None
             if channel.type != VOID:
                 if channel.type != ref_channel.type:
-                    return False
+                    return None
                 if channel.norm != ref_channel.norm:
-                    return False
+                    return None
                 if channel.pure != ref_channel.pure:
-                    return False
-        return True
+                    return None
+        return ref_channel
+
+    def is_array(self):
+        return self.array_element() != None
 
     def is_mixed(self):
         if self.layout != PLAIN:
             return False
-        ref_channel = self.channels[0]
+        ref_channel = self.le_channels[0]
         if ref_channel.type == VOID:
-           ref_channel = self.channels[1]
-        for channel in self.channels[1:]:
+           ref_channel = self.le_channels[1]
+        for channel in self.le_channels[1:]:
             if channel.type != VOID:
                 if channel.type != ref_channel.type:
                     return True
@@ -185,7 +185,7 @@ class Format:
     def is_int(self):
         if self.layout != PLAIN:
             return False
-        for channel in self.channels:
+        for channel in self.le_channels:
             if channel.type not in (VOID, UNSIGNED, SIGNED):
                 return False
         return True
@@ -193,7 +193,7 @@ class Format:
     def is_float(self):
         if self.layout != PLAIN:
             return False
-        for channel in self.channels:
+        for channel in self.le_channels:
             if channel.type not in (VOID, FLOAT):
                 return False
         return True
@@ -203,20 +203,43 @@ class Format:
             return False
         if self.block_size() not in (8, 16, 32):
             return False
-        for channel in self.channels:
+        for channel in self.le_channels:
             if channel.type not in (VOID, UNSIGNED, SIGNED):
                 return False
         return True
 
-    def inv_swizzles(self):
-        '''Return an array[4] of inverse swizzle terms'''
-        '''Only pick the first matching value to avoid l8 getting blue and i8 getting alpha'''
-        inv_swizzle = [None]*4
-        for i in range(4):
-            swizzle = self.swizzles[i]
-            if swizzle < 4 and inv_swizzle[swizzle] == None:
-                inv_swizzle[swizzle] = i
-        return inv_swizzle
+    def is_pure_color(self):
+        if self.layout != PLAIN or self.colorspace == ZS:
+            return False
+        pures = [channel.pure
+                 for channel in self.le_channels
+                 if channel.type != VOID]
+        for x in pures:
+           assert x == pures[0]
+        return pures[0]
+
+    def channel_type(self):
+        types = [channel.type
+                 for channel in self.le_channels
+                 if channel.type != VOID]
+        for x in types:
+           assert x == types[0]
+        return types[0]
+
+    def is_pure_signed(self):
+        return self.is_pure_color() and self.channel_type() == SIGNED
+
+    def is_pure_unsigned(self):
+        return self.is_pure_color() and self.channel_type() == UNSIGNED
+
+    def has_channel(self, id):
+        return self.le_swizzles[id] != SWIZZLE_NONE
+
+    def has_depth(self):
+        return self.colorspace == ZS and self.has_channel(0)
+
+    def has_stencil(self):
+        return self.colorspace == ZS and self.has_channel(1)
 
     def stride(self):
         return self.block_size()/8
@@ -241,6 +264,54 @@ _swizzle_parse_map = {
     '_': SWIZZLE_NONE,
 }
 
+def _parse_channels(fields, layout, colorspace, swizzles):
+    if layout == PLAIN:
+        names = ['']*4
+        if colorspace in (RGB, SRGB):
+            for i in range(4):
+                swizzle = swizzles[i]
+                if swizzle < 4:
+                    names[swizzle] += 'rgba'[i]
+        elif colorspace == ZS:
+            for i in range(4):
+                swizzle = swizzles[i]
+                if swizzle < 4:
+                    names[swizzle] += 'zs'[i]
+        else:
+            assert False
+        for i in range(4):
+            if names[i] == '':
+                names[i] = 'x'
+    else:
+        names = ['x', 'y', 'z', 'w']
+
+    channels = []
+    for i in range(0, 4):
+        field = fields[i]
+        if field:
+            type = _type_parse_map[field[0]]
+            if field[1] == 'n':
+                norm = True
+                pure = False
+                size = int(field[2:])
+            elif field[1] == 'p':
+                pure = True
+                norm = False
+                size = int(field[2:])
+            else:
+                norm = False
+                pure = False
+                size = int(field[1:])
+        else:
+            type = VOID
+            norm = False
+            pure = False
+            size = 0
+        channel = Channel(type, norm, pure, size, names[i])
+        channels.append(channel)
+
+    return channels
+
 def parse(filename):
     '''Parse the format descrition in CSV format in terms of the 
     Channel and Format classes above.'''
@@ -263,61 +334,27 @@ def parse(filename):
         name = fields[0]
         layout = fields[1]
         block_width, block_height = map(int, fields[2:4])
-
-        swizzles = [_swizzle_parse_map[swizzle] for swizzle in fields[8]]
         colorspace = fields[9]
-        
-        if layout == PLAIN:
-            names = ['']*4
-            if colorspace in (RGB, SRGB):
-                for i in range(4):
-                    swizzle = swizzles[i]
-                    if swizzle < 4:
-                        names[swizzle] += 'rgba'[i]
-            elif colorspace == ZS:
-                for i in range(4):
-                    swizzle = swizzles[i]
-                    if swizzle < 4:
-                        names[swizzle] += 'zs'[i]
-            else:
-                assert False
-            for i in range(4):
-                if names[i] == '':
-                    names[i] = 'x'
-        else:
-            names = ['x', 'y', 'z', 'w']
-
-        channels = []
-        for i in range(0, 4):
-            field = fields[4 + i]
-            if field:
-                type = _type_parse_map[field[0]]
-                if field[1] == 'n':
-                    norm = True
-                    pure = False
-                    size = int(field[2:])
-                elif field[1] == 'p':
-                    pure = True
-                    norm = False
-                    size = int(field[2:])
-                else:
-                    norm = False
-                    pure = False
-                    size = int(field[1:])
-            else:
-                type = VOID
-                norm = False
-                pure = False
-                size = 0
-            channel = Channel(type, norm, pure, size, names[i])
-            channels.append(channel)
 
-        shift = 0
-        for channel in channels[3::-1] if is_big_endian else channels:
-            channel.shift = shift
-            shift += channel.size
+        le_swizzles = [_swizzle_parse_map[swizzle] for swizzle in fields[8]]
+        le_channels = _parse_channels(fields[4:8], layout, colorspace, le_swizzles)
+
+        be_swizzles = [_swizzle_parse_map[swizzle] for swizzle in fields[8]]
+        be_channels = _parse_channels(fields[4:8], layout, colorspace, be_swizzles)
+
+        le_shift = 0
+        for channel in le_channels:
+            channel.shift = le_shift
+            le_shift += channel.size
+
+        be_shift = 0
+        for channel in be_channels[3::-1]:
+            channel.shift = be_shift
+            be_shift += channel.size
+
+        assert le_shift == be_shift
 
-        format = Format(name, layout, block_width, block_height, channels, swizzles, colorspace)
+        format = Format(name, layout, block_width, block_height, le_channels, le_swizzles, be_channels, be_swizzles, colorspace)
         formats.append(format)
     return formats
 
diff --git a/mesalib/src/gallium/auxiliary/util/u_format_table.py b/mesalib/src/gallium/auxiliary/util/u_format_table.py
index 9d44cf391..81fd3996f 100644
--- a/mesalib/src/gallium/auxiliary/util/u_format_table.py
+++ b/mesalib/src/gallium/auxiliary/util/u_format_table.py
@@ -94,21 +94,10 @@ def write_format_table(formats):
     
     u_format_pack.generate(formats)
     
-    for format in formats:
-        print 'const struct util_format_description'
-        print 'util_format_%s_description = {' % (format.short_name(),)
-        print "   %s," % (format.name,)
-        print "   \"%s\"," % (format.name,)
-        print "   \"%s\"," % (format.short_name(),)
-        print "   {%u, %u, %u},\t/* block */" % (format.block_width, format.block_height, format.block_size())
-        print "   %s," % (layout_map(format.layout),)
-        print "   %u,\t/* nr_channels */" % (format.nr_channels(),)
-        print "   %s,\t/* is_array */" % (bool_map(format.is_array()),)
-        print "   %s,\t/* is_bitmask */" % (bool_map(format.is_bitmask()),)
-        print "   %s,\t/* is_mixed */" % (bool_map(format.is_mixed()),)
+    def do_channel_array(channels, swizzles):
         print "   {"
         for i in range(4):
-            channel = format.channels[i]
+            channel = channels[i]
             if i < 3:
                 sep = ","
             else:
@@ -118,9 +107,11 @@ def write_format_table(formats):
             else:
                 print "      {0, 0, 0, 0, 0}%s" % (sep,)
         print "   },"
+
+    def do_swizzle_array(channels, swizzles):
         print "   {"
         for i in range(4):
-            swizzle = format.swizzles[i]
+            swizzle = swizzles[i]
             if i < 3:
                 sep = ","
             else:
@@ -131,8 +122,23 @@ def write_format_table(formats):
                 comment = 'ignored'
             print "      %s%s\t/* %s */" % (swizzle_map[swizzle], sep, comment)
         print "   },"
+
+    for format in formats:
+        print 'const struct util_format_description'
+        print 'util_format_%s_description = {' % (format.short_name(),)
+        print "   %s," % (format.name,)
+        print "   \"%s\"," % (format.name,)
+        print "   \"%s\"," % (format.short_name(),)
+        print "   {%u, %u, %u},\t/* block */" % (format.block_width, format.block_height, format.block_size())
+        print "   %s," % (layout_map(format.layout),)
+        print "   %u,\t/* nr_channels */" % (format.nr_channels(),)
+        print "   %s,\t/* is_array */" % (bool_map(format.is_array()),)
+        print "   %s,\t/* is_bitmask */" % (bool_map(format.is_bitmask()),)
+        print "   %s,\t/* is_mixed */" % (bool_map(format.is_mixed()),)
+        u_format_pack.print_channels(format, do_channel_array)
+        u_format_pack.print_channels(format, do_swizzle_array)
         print "   %s," % (colorspace_map(format.colorspace),)
-        if format.colorspace != ZS and format.channels[0].pure == False:
+        if format.colorspace != ZS and not format.is_pure_color():
             print "   &util_format_%s_unpack_rgba_8unorm," % format.short_name() 
             print "   &util_format_%s_pack_rgba_8unorm," % format.short_name() 
             if format.layout == 's3tc' or format.layout == 'rgtc':
@@ -149,7 +155,7 @@ def write_format_table(formats):
             print "   NULL, /* unpack_rgba_float */" 
             print "   NULL, /* pack_rgba_float */" 
             print "   NULL, /* fetch_rgba_float */" 
-        if format.colorspace == ZS and format.swizzles[0] != SWIZZLE_NONE:
+        if format.has_depth():
             print "   &util_format_%s_unpack_z_32unorm," % format.short_name() 
             print "   &util_format_%s_pack_z_32unorm," % format.short_name() 
             print "   &util_format_%s_unpack_z_float," % format.short_name() 
@@ -159,20 +165,20 @@ def write_format_table(formats):
             print "   NULL, /* pack_z_32unorm */" 
             print "   NULL, /* unpack_z_float */" 
             print "   NULL, /* pack_z_float */" 
-        if format.colorspace == ZS and format.swizzles[1] != SWIZZLE_NONE:
+        if format.has_stencil():
             print "   &util_format_%s_unpack_s_8uint," % format.short_name() 
             print "   &util_format_%s_pack_s_8uint," % format.short_name() 
         else:
             print "   NULL, /* unpack_s_8uint */" 
             print "   NULL, /* pack_s_8uint */"
-        if format.colorspace != ZS and format.channels[0].pure == True and format.channels[0].type == UNSIGNED:
+        if format.is_pure_unsigned():
             print "   &util_format_%s_unpack_unsigned, /* unpack_rgba_uint */" % format.short_name() 
             print "   &util_format_%s_pack_unsigned, /* pack_rgba_uint */" % format.short_name()
             print "   &util_format_%s_unpack_signed, /* unpack_rgba_sint */" % format.short_name()
             print "   &util_format_%s_pack_signed,  /* pack_rgba_sint */" % format.short_name()
             print "   &util_format_%s_fetch_unsigned,  /* fetch_rgba_uint */" % format.short_name()
             print "   NULL  /* fetch_rgba_sint */"
-        elif format.colorspace != ZS and format.channels[0].pure == True and format.channels[0].type == SIGNED:
+        elif format.is_pure_signed():
             print "   &util_format_%s_unpack_unsigned, /* unpack_rgba_uint */" % format.short_name()
             print "   &util_format_%s_pack_unsigned, /* pack_rgba_uint */" % format.short_name()
             print "   &util_format_%s_unpack_signed, /* unpack_rgba_sint */" % format.short_name()
diff --git a/mesalib/src/gallium/auxiliary/util/u_math.h b/mesalib/src/gallium/auxiliary/util/u_math.h
index ec03e4e58..a60e1830a 100644
--- a/mesalib/src/gallium/auxiliary/util/u_math.h
+++ b/mesalib/src/gallium/auxiliary/util/u_math.h
@@ -567,6 +567,22 @@ static INLINE unsigned util_last_bit(unsigned u)
 #endif
 }
 
+/**
+ * Find last bit in a word that does not match the sign bit. The least
+ * significant bit is 1.
+ * Return 0 if no bits are set.
+ */
+static INLINE unsigned util_last_bit_signed(int i)
+{
+#if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 407)
+   return 31 - __builtin_clrsb(i);
+#else
+   if (i >= 0)
+      return util_last_bit(i);
+   else
+      return util_last_bit(~(unsigned)i);
+#endif
+}
 
 /* Destructively loop over all of the bits in a mask as in:
  *
@@ -715,6 +731,21 @@ util_bitcount(unsigned n)
 #endif
 }
 
+/**
+ * Reverse bits in n
+ * Algorithm taken from:
+ * http://stackoverflow.com/questions/9144800/c-reverse-bits-in-unsigned-integer
+ */
+static INLINE unsigned
+util_bitreverse(unsigned n)
+{
+    n = ((n >> 1) & 0x55555555u) | ((n & 0x55555555u) << 1);
+    n = ((n >> 2) & 0x33333333u) | ((n & 0x33333333u) << 2);
+    n = ((n >> 4) & 0x0f0f0f0fu) | ((n & 0x0f0f0f0fu) << 4);
+    n = ((n >> 8) & 0x00ff00ffu) | ((n & 0x00ff00ffu) << 8);
+    n = ((n >> 16) & 0xffffu) | ((n & 0xffffu) << 16);
+    return n;
+}
 
 /**
  * Convert from little endian to CPU byte order.
diff --git a/mesalib/src/gallium/auxiliary/util/u_pack_color.h b/mesalib/src/gallium/auxiliary/util/u_pack_color.h
index 166c68b57..e0c9018f8 100644
--- a/mesalib/src/gallium/auxiliary/util/u_pack_color.h
+++ b/mesalib/src/gallium/auxiliary/util/u_pack_color.h
@@ -51,7 +51,7 @@
 union util_color {
    ubyte ub;
    ushort us;
-   uint ui;
+   uint ui[4];
    ushort h[4]; /* half float */
    float f[4];
    double d[4];
@@ -67,32 +67,32 @@ util_pack_color_ub(ubyte r, ubyte g, ubyte b, ubyte a,
    switch (format) {
    case PIPE_FORMAT_ABGR8888_UNORM:
       {
-         uc->ui = (r << 24) | (g << 16) | (b << 8) | a;
+         uc->ui[0] = (r << 24) | (g << 16) | (b << 8) | a;
       }
       return;
    case PIPE_FORMAT_XBGR8888_UNORM:
       {
-         uc->ui = (r << 24) | (g << 16) | (b << 8) | 0xff;
+         uc->ui[0] = (r << 24) | (g << 16) | (b << 8) | 0xff;
       }
       return;
    case PIPE_FORMAT_BGRA8888_UNORM:
       {
-         uc->ui = (a << 24) | (r << 16) | (g << 8) | b;
+         uc->ui[0] = (a << 24) | (r << 16) | (g << 8) | b;
       }
       return;
    case PIPE_FORMAT_BGRX8888_UNORM:
       {
-         uc->ui = (0xff << 24) | (r << 16) | (g << 8) | b;
+         uc->ui[0] = (0xff << 24) | (r << 16) | (g << 8) | b;
       }
       return;
    case PIPE_FORMAT_ARGB8888_UNORM:
       {
-         uc->ui = (b << 24) | (g << 16) | (r << 8) | a;
+         uc->ui[0] = (b << 24) | (g << 16) | (r << 8) | a;
       }
       return;
    case PIPE_FORMAT_XRGB8888_UNORM:
       {
-         uc->ui = (b << 24) | (g << 16) | (r << 8) | 0xff;
+         uc->ui[0] = (b << 24) | (g << 16) | (r << 8) | 0xff;
       }
       return;
    case PIPE_FORMAT_B5G6R5_UNORM:
@@ -168,7 +168,7 @@ util_unpack_color_ub(enum pipe_format format, union util_color *uc,
    switch (format) {
    case PIPE_FORMAT_ABGR8888_UNORM:
       {
-         uint p = uc->ui;
+         uint p = uc->ui[0];
          *r = (ubyte) ((p >> 24) & 0xff);
          *g = (ubyte) ((p >> 16) & 0xff);
          *b = (ubyte) ((p >>  8) & 0xff);
@@ -177,7 +177,7 @@ util_unpack_color_ub(enum pipe_format format, union util_color *uc,
       return;
    case PIPE_FORMAT_XBGR8888_UNORM:
       {
-         uint p = uc->ui;
+         uint p = uc->ui[0];
          *r = (ubyte) ((p >> 24) & 0xff);
          *g = (ubyte) ((p >> 16) & 0xff);
          *b = (ubyte) ((p >>  8) & 0xff);
@@ -186,7 +186,7 @@ util_unpack_color_ub(enum pipe_format format, union util_color *uc,
       return;
    case PIPE_FORMAT_BGRA8888_UNORM:
       {
-         uint p = uc->ui;
+         uint p = uc->ui[0];
          *r = (ubyte) ((p >> 16) & 0xff);
          *g = (ubyte) ((p >>  8) & 0xff);
          *b = (ubyte) ((p >>  0) & 0xff);
@@ -195,7 +195,7 @@ util_unpack_color_ub(enum pipe_format format, union util_color *uc,
       return;
    case PIPE_FORMAT_BGRX8888_UNORM:
       {
-         uint p = uc->ui;
+         uint p = uc->ui[0];
          *r = (ubyte) ((p >> 16) & 0xff);
          *g = (ubyte) ((p >>  8) & 0xff);
          *b = (ubyte) ((p >>  0) & 0xff);
@@ -204,7 +204,7 @@ util_unpack_color_ub(enum pipe_format format, union util_color *uc,
       return;
    case PIPE_FORMAT_ARGB8888_UNORM:
       {
-         uint p = uc->ui;
+         uint p = uc->ui[0];
          *r = (ubyte) ((p >>  8) & 0xff);
          *g = (ubyte) ((p >> 16) & 0xff);
          *b = (ubyte) ((p >> 24) & 0xff);
@@ -213,7 +213,7 @@ util_unpack_color_ub(enum pipe_format format, union util_color *uc,
       return;
    case PIPE_FORMAT_XRGB8888_UNORM:
       {
-         uint p = uc->ui;
+         uint p = uc->ui[0];
          *r = (ubyte) ((p >>  8) & 0xff);
          *g = (ubyte) ((p >> 16) & 0xff);
          *b = (ubyte) ((p >> 24) & 0xff);
@@ -352,32 +352,32 @@ util_pack_color(const float rgba[4], enum pipe_format format, union util_color *
    switch (format) {
    case PIPE_FORMAT_ABGR8888_UNORM:
       {
-         uc->ui = (r << 24) | (g << 16) | (b << 8) | a;
+         uc->ui[0] = (r << 24) | (g << 16) | (b << 8) | a;
       }
       return;
    case PIPE_FORMAT_XBGR8888_UNORM:
       {
-         uc->ui = (r << 24) | (g << 16) | (b << 8) | 0xff;
+         uc->ui[0] = (r << 24) | (g << 16) | (b << 8) | 0xff;
       }
       return;
    case PIPE_FORMAT_BGRA8888_UNORM:
       {
-         uc->ui = (a << 24) | (r << 16) | (g << 8) | b;
+         uc->ui[0] = (a << 24) | (r << 16) | (g << 8) | b;
       }
       return;
    case PIPE_FORMAT_BGRX8888_UNORM:
       {
-         uc->ui = (0xff << 24) | (r << 16) | (g << 8) | b;
+         uc->ui[0] = (0xff << 24) | (r << 16) | (g << 8) | b;
       }
       return;
    case PIPE_FORMAT_ARGB8888_UNORM:
       {
-         uc->ui = (b << 24) | (g << 16) | (r << 8) | a;
+         uc->ui[0] = (b << 24) | (g << 16) | (r << 8) | a;
       }
       return;
    case PIPE_FORMAT_XRGB8888_UNORM:
       {
-         uc->ui = (b << 24) | (g << 16) | (r << 8) | 0xff;
+         uc->ui[0] = (b << 24) | (g << 16) | (r << 8) | 0xff;
       }
       return;
    case PIPE_FORMAT_B5G6R5_UNORM:
diff --git a/mesalib/src/gallium/auxiliary/util/u_surface.c b/mesalib/src/gallium/auxiliary/util/u_surface.c
index 07997d2ad..654b5bbc5 100644
--- a/mesalib/src/gallium/auxiliary/util/u_surface.c
+++ b/mesalib/src/gallium/auxiliary/util/u_surface.c
@@ -196,7 +196,7 @@ util_fill_rect(ubyte * dst,
       for (i = 0; i < height; i++) {
          uint32_t *row = (uint32_t *)dst;
          for (j = 0; j < width; j++)
-            *row++ = uc->ui;
+            *row++ = uc->ui[0];
          dst += dst_stride;
       }
       break;