[Mesa-dev] [PATCH 1/2] intel: genxml: compress all gen files into one

Jordan Justen jordan.l.justen at intel.com
Thu Mar 30 18:55:47 UTC 2017


Series Reviewed-by: Jordan Justen <jordan.l.justen at intel.com>

On 2017-03-25 14:57:15, Lionel Landwerlin wrote:
> Combining all the files into a single string didn't make any
> difference in the size of the aubinator binary.
> 
> With this change we now also embed gen4/4.5/5 descriptions, which
> increases the aubinator size by ~16Kb.
> 
> Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
> ---
>  src/intel/Makefile.genxml.am        | 10 +++---
>  src/intel/Makefile.sources          |  7 -----
>  src/intel/common/gen_decoder.c      | 62 +++++++++++++------------------------
>  src/intel/genxml/.gitignore         |  2 +-
>  src/intel/genxml/gen_zipped_file.py | 34 +++++++++++++++++---
>  5 files changed, 56 insertions(+), 59 deletions(-)
> 
> diff --git a/src/intel/Makefile.genxml.am b/src/intel/Makefile.genxml.am
> index 01a02b63b4..c5cc843191 100644
> --- a/src/intel/Makefile.genxml.am
> +++ b/src/intel/Makefile.genxml.am
> @@ -21,12 +21,12 @@
>  
>  BUILT_SOURCES += \
>         $(GENXML_GENERATED_FILES) \
> -       $(AUBINATOR_GENERATED_FILES)
> +       genxml/genX_xml.h
>  
>  EXTRA_DIST += \
>         $(GENXML_XML_FILES) \
>         $(GENXML_GENERATED_FILES) \
> -       $(AUBINATOR_GENERATED_FILES)
> +       genxml/genX_xml.h
>  
>  SUFFIXES = _pack.h _xml.h .xml
>  
> @@ -36,11 +36,9 @@ $(GENXML_GENERATED_FILES): genxml/gen_pack_header.py
>         $(MKDIR_GEN)
>         $(PYTHON_GEN) $(srcdir)/genxml/gen_pack_header.py $< > $@ || ($(RM) $@; false)
>  
> -$(AUBINATOR_GENERATED_FILES): genxml/gen_zipped_file.py
> -
> -.xml_xml.h:
> +genxml/genX_xml.h: $(GENXML_XML_FILES) genxml/gen_zipped_file.py
>         $(MKDIR_GEN)
> -       $(AM_V_GEN) $(PYTHON2) $(srcdir)/genxml/gen_zipped_file.py $< > $@ || ($(RM) $@; false)
> +       $(AM_V_GEN) $(PYTHON2) $(srcdir)/genxml/gen_zipped_file.py $(GENXML_XML_FILES) > $@
>  
>  EXTRA_DIST += \
>         genxml/genX_pack.h \
> diff --git a/src/intel/Makefile.sources b/src/intel/Makefile.sources
> index 88bcf60f6e..b5992c8d35 100644
> --- a/src/intel/Makefile.sources
> +++ b/src/intel/Makefile.sources
> @@ -129,13 +129,6 @@ GENXML_GENERATED_FILES = \
>         genxml/gen8_pack.h \
>         genxml/gen9_pack.h
>  
> -AUBINATOR_GENERATED_FILES = \
> -       genxml/gen6_xml.h \
> -       genxml/gen7_xml.h \
> -       genxml/gen75_xml.h \
> -       genxml/gen8_xml.h \
> -       genxml/gen9_xml.h
> -
>  ISL_FILES = \
>         isl/isl.c \
>         isl/isl.h \
> diff --git a/src/intel/common/gen_decoder.c b/src/intel/common/gen_decoder.c
> index 1c3246f265..7b04ac051b 100644
> --- a/src/intel/common/gen_decoder.c
> +++ b/src/intel/common/gen_decoder.c
> @@ -34,11 +34,7 @@
>  
>  #include "gen_decoder.h"
>  
> -#include "genxml/gen6_xml.h"
> -#include "genxml/gen7_xml.h"
> -#include "genxml/gen75_xml.h"
> -#include "genxml/gen8_xml.h"
> -#include "genxml/gen9_xml.h"
> +#include "genxml/genX_xml.h"
>  
>  #define XML_BUFFER_SIZE 4096
>  
> @@ -481,35 +477,6 @@ devinfo_to_gen(const struct gen_device_info *devinfo)
>     return value;
>  }
>  
> -static const struct {
> -   int gen;
> -   const uint8_t *data;
> -   size_t data_length;
> -} gen_data[] = {
> -   { .gen = 60, .data = gen6_xml, .data_length = sizeof(gen6_xml) },
> -   { .gen = 70, .data = gen7_xml, .data_length = sizeof(gen7_xml) },
> -   { .gen = 75, .data = gen75_xml, .data_length = sizeof(gen75_xml) },
> -   { .gen = 80, .data = gen8_xml, .data_length = sizeof(gen8_xml) },
> -   { .gen = 90, .data = gen9_xml, .data_length = sizeof(gen9_xml) }
> -};
> -
> -static const uint8_t *
> -devinfo_to_xml_data(const struct gen_device_info *devinfo,
> -                    uint32_t *data_length)
> -{
> -   int i, gen = devinfo_to_gen(devinfo);
> -
> -   for (i = 0; i < ARRAY_SIZE(gen_data); i++) {
> -      if (gen_data[i].gen == gen) {
> -         *data_length = gen_data[i].data_length;
> -         return gen_data[i].data;
> -      }
> -   }
> -
> -   unreachable("Unknown generation");
> -   return NULL;
> -}
> -
>  static uint32_t zlib_inflate(const void *compressed_data,
>                               uint32_t compressed_len,
>                               void **out_ptr)
> @@ -563,9 +530,22 @@ gen_spec_load(const struct gen_device_info *devinfo)
>  {
>     struct parser_context ctx;
>     void *buf;
> -   const void *zlib_data;
> -   void *text_data;
> -   uint32_t zlib_length = 0, text_length;
> +   uint8_t *text_data;
> +   uint32_t text_offset = 0, text_length = 0, total_length;
> +   uint32_t gen_10 = devinfo_to_gen(devinfo);
> +
> +   for (int i = 0; i < ARRAY_SIZE(genxml_files_table); i++) {
> +      if (genxml_files_table[i].gen_10 == gen_10) {
> +         text_offset = genxml_files_table[i].offset;
> +         text_length = genxml_files_table[i].length;
> +         break;
> +      }
> +   }
> +
> +   if (text_length == 0) {
> +      fprintf(stderr, "unable to find gen (%u) data\n", gen_10);
> +      return NULL;
> +   }
>  
>     memset(&ctx, 0, sizeof ctx);
>     ctx.parser = XML_ParserCreate(NULL);
> @@ -580,11 +560,13 @@ gen_spec_load(const struct gen_device_info *devinfo)
>  
>     ctx.spec = xzalloc(sizeof(*ctx.spec));
>  
> -   zlib_data = devinfo_to_xml_data(devinfo, &zlib_length);
> -   text_length = zlib_inflate(zlib_data, zlib_length, &text_data);
> +   total_length = zlib_inflate(compress_genxmls,
> +                               sizeof(compress_genxmls),
> +                               (void **) &text_data);
> +   assert(text_offset + text_length <= total_length);
>  
>     buf = XML_GetBuffer(ctx.parser, text_length);
> -   memcpy(buf, text_data, text_length);
> +   memcpy(buf, &text_data[text_offset], text_length);
>  
>     if (XML_ParseBuffer(ctx.parser, text_length, true) == 0) {
>        fprintf(stderr,
> diff --git a/src/intel/genxml/.gitignore b/src/intel/genxml/.gitignore
> index c5672b5595..4385170899 100644
> --- a/src/intel/genxml/.gitignore
> +++ b/src/intel/genxml/.gitignore
> @@ -1,2 +1,2 @@
>  gen*_pack.h
> -gen*_xml.h
> +genX_xml.h
> diff --git a/src/intel/genxml/gen_zipped_file.py b/src/intel/genxml/gen_zipped_file.py
> index 66222cabe7..af2008bea0 100644
> --- a/src/intel/genxml/gen_zipped_file.py
> +++ b/src/intel/genxml/gen_zipped_file.py
> @@ -26,22 +26,46 @@ from __future__ import print_function
>  import os
>  import sys
>  import zlib
> +import xml.etree.cElementTree as et
>  
>  def main():
>      if len(sys.argv) < 2:
>          print("No input xml file specified")
>          sys.exit(1)
>  
> -    with open(sys.argv[1]) as f:
> -        compressed_data = zlib.compress(f.read())
> +    compress = zlib.compressobj()
>  
> -    gen_name = os.path.splitext(os.path.basename(sys.argv[1]))[0]
> -    print("static const uint8_t %s_xml[] = {" % gen_name)
> -    print("   ", end='')
> +    print("static const struct {")
> +    print("   uint32_t gen_10;")
> +    print("   uint32_t offset;")
> +    print("   uint32_t length;")
> +    print("} genxml_files_table[] = {")
> +
> +    xml_offset = 0
> +    compressed_data = ''
> +    for i in range(1, len(sys.argv)):
> +        filename = sys.argv[i]
> +        xml = open(filename).read()
> +        xml_length = len(xml)
> +        root = et.fromstring(xml)
> +
> +        print("   { %i, %i, %i }," %
> +              (int(float(root.attrib['gen']) * 10), xml_offset, xml_length))
> +
> +        compressed_data += compress.compress(xml)
> +        xml_offset += xml_length
>  
> +    print("};")
> +
> +    compressed_data += compress.flush()
> +
> +    print("")
> +    print("static const uint8_t compress_genxmls[] = {")
> +    print("   ", end='')
>      for i, c in enumerate(compressed_data, start=1):
>          print("0x%.2x, " % ord(c), end='\n   ' if not i % 12 else '')
>      print('\n};')
>  
> +
>  if __name__ == '__main__':
>      main()
> -- 
> 2.11.0
> 
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