gallium: Fix uninitialized variable warning in compute test.
[mesa.git] / src / gallium / auxiliary / util / u_format_table.py
old mode 100755 (executable)
new mode 100644 (file)
index ae9a598..1a966c5
@@ -1,6 +1,6 @@
-#!/usr/bin/env python
+from __future__ import print_function
 
-'''
+CopyRight = '''
 /**************************************************************************
  *
  * Copyright 2010 VMware, Inc.
@@ -69,55 +69,50 @@ def bool_map(value):
 
 
 swizzle_map = {
-    SWIZZLE_X:    "UTIL_FORMAT_SWIZZLE_X",
-    SWIZZLE_Y:    "UTIL_FORMAT_SWIZZLE_Y",
-    SWIZZLE_Z:    "UTIL_FORMAT_SWIZZLE_Z",
-    SWIZZLE_W:    "UTIL_FORMAT_SWIZZLE_W",
-    SWIZZLE_0:    "UTIL_FORMAT_SWIZZLE_0",
-    SWIZZLE_1:    "UTIL_FORMAT_SWIZZLE_1",
-    SWIZZLE_NONE: "UTIL_FORMAT_SWIZZLE_NONE",
+    SWIZZLE_X:    "PIPE_SWIZZLE_X",
+    SWIZZLE_Y:    "PIPE_SWIZZLE_Y",
+    SWIZZLE_Z:    "PIPE_SWIZZLE_Z",
+    SWIZZLE_W:    "PIPE_SWIZZLE_W",
+    SWIZZLE_0:    "PIPE_SWIZZLE_0",
+    SWIZZLE_1:    "PIPE_SWIZZLE_1",
+    SWIZZLE_NONE: "PIPE_SWIZZLE_NONE",
 }
 
 
 def write_format_table(formats):
-    print '/* This file is autogenerated by u_format_table.py from u_format.csv. Do not edit directly. */'
-    print
+    print('/* This file is autogenerated by u_format_table.py from u_format.csv. Do not edit directly. */')
+    print()
     # This will print the copyright message on the top of this file
-    print __doc__.strip()
-    print
-    print '#include "u_format.h"'
-    print '#include "u_format_s3tc.h"'
-    print
+    print(CopyRight.strip())
+    print()
+    print('#include "u_format.h"')
+    print('#include "u_format_bptc.h"')
+    print('#include "u_format_s3tc.h"')
+    print('#include "u_format_rgtc.h"')
+    print('#include "u_format_latc.h"')
+    print('#include "u_format_etc.h"')
+    print()
     
     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()),)
-        print "   {"
+    def do_channel_array(channels, swizzles):
+        print("   {")
         for i in range(4):
-            channel = format.channels[i]
+            channel = channels[i]
             if i < 3:
                 sep = ","
             else:
                 sep = ""
             if channel.size:
-                print "      {%s, %s, %u}%s\t/* %s = %s */" % (type_map[channel.type], bool_map(channel.norm), channel.size, sep, "xyzw"[i], channel.name)
+                print("      {%s, %s, %s, %u, %u}%s\t/* %s = %s */" % (type_map[channel.type], bool_map(channel.norm), bool_map(channel.pure), channel.size, channel.shift, sep, "xyzw"[i], channel.name))
             else:
-                print "      {0, 0, 0}%s" % (sep,)
-        print "   },"
-        print "   {"
+                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:
@@ -126,56 +121,102 @@ def write_format_table(formats):
                 comment = colorspace_channels_map[format.colorspace][i]
             except (KeyError, IndexError):
                 comment = 'ignored'
-            print "      %s%s\t/* %s */" % (swizzle_map[swizzle], sep, comment)
-        print "   },"
-        print "   %s," % (colorspace_map(format.colorspace),)
-        if format.colorspace != ZS:
-            print "   &util_format_%s_unpack_rgba_8unorm," % format.short_name() 
-            print "   &util_format_%s_pack_rgba_8unorm," % format.short_name() 
-            print "   &util_format_%s_unpack_rgba_float," % format.short_name() 
-            print "   &util_format_%s_pack_rgba_float," % format.short_name() 
-            print "   &util_format_%s_fetch_rgba_float," % format.short_name()
+            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),))
+        access = True
+        if format.layout == 'astc':
+            access = False
+        if format.layout == 'etc' and format.short_name() != 'etc1_rgb8':
+            access = False
+        if format.colorspace != ZS and not format.is_pure_color() and access:
+            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':
+                print("   &util_format_%s_fetch_rgba_8unorm," % format.short_name())
+            else:
+                print("   NULL, /* fetch_rgba_8unorm */")
+            print("   &util_format_%s_unpack_rgba_float," % format.short_name())
+            print("   &util_format_%s_pack_rgba_float," % format.short_name())
+            print("   &util_format_%s_fetch_rgba_float," % format.short_name())
+        else:
+            print("   NULL, /* unpack_rgba_8unorm */")
+            print("   NULL, /* pack_rgba_8unorm */")
+            print("   NULL, /* fetch_rgba_8unorm */")
+            print("   NULL, /* unpack_rgba_float */")
+            print("   NULL, /* pack_rgba_float */")
+            print("   NULL, /* fetch_rgba_float */")
+        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())
+            print("   &util_format_%s_pack_z_float," % format.short_name())
         else:
-            print "   NULL, /* unpack_rgba_8unorm */" 
-            print "   NULL, /* pack_rgba_8unorm */" 
-            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:
-            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() 
-            print "   &util_format_%s_pack_z_float," % format.short_name() 
+            print("   NULL, /* unpack_z_32unorm */")
+            print("   NULL, /* pack_z_32unorm */")
+            print("   NULL, /* unpack_z_float */")
+            print("   NULL, /* pack_z_float */")
+        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_z_32unorm */" 
-            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:
-            print "   &util_format_%s_unpack_s_8uscaled," % format.short_name() 
-            print "   &util_format_%s_pack_s_8uscaled" % format.short_name() 
+            print("   NULL, /* unpack_s_8uint */")
+            print("   NULL, /* pack_s_8uint */")
+        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.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())
+            print("   &util_format_%s_pack_signed,  /* pack_rgba_sint */" % format.short_name())
+            print("   NULL,  /* fetch_rgba_uint */")
+            print("   &util_format_%s_fetch_signed  /* fetch_rgba_sint */" % format.short_name())
         else:
-            print "   NULL, /* unpack_s_8uscaled */" 
-            print "   NULL /* pack_s_8uscaled */" 
-        print "};"
-        print
+            print("   NULL, /* unpack_rgba_uint */")
+            print("   NULL, /* pack_rgba_uint */")
+            print("   NULL, /* unpack_rgba_sint */")
+            print("   NULL, /* pack_rgba_sint */")
+            print("   NULL, /* fetch_rgba_uint */")
+            print("   NULL  /* fetch_rgba_sint */")
+        print("};")
+        print()
         
-    print "const struct util_format_description *"
-    print "util_format_description(enum pipe_format format)"
-    print "{"
-    print "   if (format >= PIPE_FORMAT_COUNT) {"
-    print "      return NULL;"
-    print "   }"
-    print
-    print "   switch (format) {"
+    print("const struct util_format_description *")
+    print("util_format_description(enum pipe_format format)")
+    print("{")
+    print("   if (format >= PIPE_FORMAT_COUNT) {")
+    print("      return NULL;")
+    print("   }")
+    print()
+    print("   switch (format) {")
     for format in formats:
-        print "   case %s:" % format.name
-        print "      return &util_format_%s_description;" % (format.short_name(),)
-    print "   default:"
-    print "      return NULL;"
-    print "   }"
-    print "}"
-    print
+        print("   case %s:" % format.name)
+        print("      return &util_format_%s_description;" % (format.short_name(),))
+    print("   default:")
+    print("      return NULL;")
+    print("   }")
+    print("}")
+    print()
 
 
 def main():