mesa: Remove prog_hash_table.c

Here we make the prog_hash_table functionally equivalent to
the one in util by wrapping the remaing functions that differ.

We also move the functions to the header so we can remove the c
file.

This enables us to do a step-by-step replacement of the table.

Signed-off-by: Thomas Helland <thomashelland90@gmail.com>
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>

src/Makefile.am

@@ -117,6 +117,5 @@ noinst_LTLIBRARIES = libglsl_util.la
 libglsl_util_la_SOURCES = \
 	mesa/main/extensions_table.c \
 	mesa/main/imports.c \
-	mesa/program/prog_hash_table.c \
 	mesa/program/symbol_table.c \
 	mesa/program/dummy_errors.c

src/compiler/SConscript.glsl

@@ -73,7 +73,6 @@ env.Command('glsl/imports.c', '#src/mesa/main/imports.c', Copy('$TARGET', '$SOUR
 env.Command('glsl/extensions_table.c', '#src/mesa/main/extensions_table.c', Copy('$TARGET', '$SOURCE'))
 # Copy these files to avoid generation object files into src/mesa/program
 env.Prepend(CPPPATH = ['#src/mesa/program'])
-env.Command('glsl/prog_hash_table.c', '#src/mesa/program/prog_hash_table.c', Copy('$TARGET', '$SOURCE'))
 env.Command('glsl/symbol_table.c', '#src/mesa/program/symbol_table.c', Copy('$TARGET', '$SOURCE'))
 env.Command('glsl/dummy_errors.c', '#src/mesa/program/dummy_errors.c', Copy('$TARGET', '$SOURCE'))
 
@@ -82,7 +81,6 @@ compiler_objs = env.StaticObject(source_lists['GLSL_COMPILER_CXX_FILES'])
 mesa_objs = env.StaticObject([
     'glsl/extensions_table.c',
     'glsl/imports.c',
-    'glsl/prog_hash_table.c',
     'glsl/symbol_table.c',
     'glsl/dummy_errors.c',
 ])

src/mesa/Android.libmesa_glsl_utils.mk

@@ -44,7 +44,6 @@ LOCAL_C_INCLUDES := \
 LOCAL_SRC_FILES := \
 	main/extensions_table.c \
 	main/imports.c \
-	program/prog_hash_table.c \
 	program/symbol_table.c \
 	program/dummy_errors.c
 
@@ -70,7 +69,6 @@ LOCAL_C_INCLUDES := \
 LOCAL_SRC_FILES := \
 	main/extensions_table.c \
 	main/imports.c \
-	program/prog_hash_table.c \
 	program/symbol_table.c \
 	program/dummy_errors.c
 

src/mesa/Makefile.sources

@@ -527,7 +527,6 @@ PROGRAM_FILES = \
 	program/prog_cache.h \
 	program/prog_execute.c \
 	program/prog_execute.h \
-	program/prog_hash_table.c \
 	program/prog_instruction.c \
 	program/prog_instruction.h \
 	program/prog_noise.c \

src/mesa/program/hash_table.h

@@ -161,16 +161,17 @@ static inline void hash_table_remove(struct hash_table *ht, const void *key)
 /**
  * Compute hash value of a string
  *
- * Computes the hash value of a string using the DJB2 algorithm developed by
- * Professor Daniel J. Bernstein.  It was published on comp.lang.c once upon
- * a time.  I was unable to find the original posting in the archives.
- *
  * \param key  Pointer to a NUL terminated string to be hashed.
  *
  * \sa hash_table_string_compare
  */
-extern unsigned hash_table_string_hash(const void *key);
-
+static unsigned
+hash_table_string_hash(const void *key)
+{
+   const char *str = (const char *) key;
+   uint32_t hash = _mesa_hash_string(str);
+   return hash;
+}
 
 /**
  * Compare two strings used as keys
@@ -179,7 +180,11 @@ extern unsigned hash_table_string_hash(const void *key);
  *
  * \sa hash_table_string_hash
  */
-bool hash_table_string_compare(const void *a, const void *b);
+static bool
+hash_table_string_compare(const void *a, const void *b)
+{
+   return _mesa_key_string_equal(a, b);
+}
 
 /**
  * Compute hash value of a pointer
@@ -192,17 +197,23 @@ bool hash_table_string_compare(const void *a, const void *b);
  *
  * \sa hash_table_pointer_compare
  */
-unsigned
-hash_table_pointer_hash(const void *key);
-
+static unsigned
+hash_table_pointer_hash(const void *key)
+{
+   return _mesa_hash_pointer(key);
+}
 
 /**
  * Compare two pointers used as keys
  *
  * \sa hash_table_pointer_hash
  */
-bool
-hash_table_pointer_compare(const void *key1, const void *key2);
+static bool
+hash_table_pointer_compare(const void *key1, const void *key2)
+{
+   return _mesa_key_pointer_equal(key1, key2);
+}
+
 
 static inline void
 hash_table_call_foreach(struct hash_table *ht,

src/mesa/program/prog_hash_table.c

@@ -1,67 +0,0 @@
-/*
- * Copyright © 2008 Intel Corporation
- *
- * 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, sublicense,
- * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS 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.
- */
-
-/**
- * \file hash_table.c
- * \brief Implementation of a generic, opaque hash table data type.
- *
- * \author Ian Romanick <ian.d.romanick@intel.com>
- */
-
-#include "main/imports.h"
-#include "util/simple_list.h"
-#include "hash_table.h"
-
-unsigned
-hash_table_string_hash(const void *key)
-{
-    const char *str = (const char *) key;
-    unsigned hash = 5381;
-
-
-    while (*str != '\0') {
-        hash = (hash * 33) + *str;
-        str++;
-    }
-
-    return hash;
-}
-
-bool hash_table_string_compare(const void *a, const void *b)
-{
-   return strcmp(a, b) == 0;
-}
-
-
-unsigned
-hash_table_pointer_hash(const void *key)
-{
-   return (unsigned)((uintptr_t) key / sizeof(void *));
-}
-
-
-bool
-hash_table_pointer_compare(const void *key1, const void *key2)
-{
-   return key1 == key2;
-}