[gegl] gegl/buffer: move some conditionals out of hot-spot fast path for 1x1 fetch

[Øyvind Kolås <ok src gnome org>]

commit 571a6e8a5c976ab01dca3820fafc871eed015ad9
Author: Øyvind Kolås <pippin gimp org>
Date:   Mon Jan 8 23:36:02 2018 +0100

    gegl/buffer: move some conditionals out of hot-spot fast path for 1x1 fetch
    
    As well as making some related static functions inlineable.

 gegl/buffer/gegl-buffer-access.c |   14 +++++++-------
 gegl/buffer/gegl-tile.c          |    8 ++++----
 2 files changed, 11 insertions(+), 11 deletions(-)
---
diff --git a/gegl/buffer/gegl-buffer-access.c b/gegl/buffer/gegl-buffer-access.c
index ee362c7..5d1efb4 100644
--- a/gegl/buffer/gegl-buffer-access.c
+++ b/gegl/buffer/gegl-buffer-access.c
@@ -1868,17 +1868,12 @@ _gegl_buffer_get_unlocked (GeglBuffer          *buffer,
                            gint                 rowstride,
                            GeglAbyssPolicy      repeat_mode)
 {
-  g_return_if_fail (scale > 0.0);
-
-  if (format == NULL)
-    format = buffer->soft_format;
-
   if (gegl_cl_is_accelerated ())
     {
       gegl_buffer_cl_cache_flush (buffer, rect);
     }
 
-  if (GEGL_FLOAT_EQUAL (scale, 1.0) &&
+  if (scale == 1.0 &&
       rect &&
       rect->width == 1)
   {
@@ -1891,7 +1886,7 @@ _gegl_buffer_get_unlocked (GeglBuffer          *buffer,
     else
       {
         gint bpp = babl_format_get_bytes_per_pixel (buffer->soft_format);
-        if (buffer->soft_format == format || rowstride != bpp)
+        if (!format || buffer->soft_format == format || rowstride != bpp)
         {
           gegl_buffer_iterate_read_dispatch (buffer, rect, dest_buf,
                                              rowstride, format, 0, repeat_mode);
@@ -1910,6 +1905,11 @@ _gegl_buffer_get_unlocked (GeglBuffer          *buffer,
       }
   }
 
+  if (format == NULL)
+    format = buffer->soft_format;
+
+  g_return_if_fail (scale > 0.0);
+
   if (!rect && GEGL_FLOAT_EQUAL (scale, 1.0))
     {
       gegl_buffer_iterate_read_dispatch (buffer, &buffer->extent, dest_buf,
diff --git a/gegl/buffer/gegl-tile.c b/gegl/buffer/gegl-tile.c
index eef7c16..15b4139 100644
--- a/gegl/buffer/gegl-tile.c
+++ b/gegl/buffer/gegl-tile.c
@@ -101,7 +101,7 @@ void gegl_tile_unref (GeglTile *tile)
   g_slice_free (GeglTile, tile);
 }
 
-static GeglTile *
+static inline GeglTile *
 gegl_tile_new_bare_internal (void)
 {
   GeglTile *tile     = g_slice_new0 (GeglTile);
@@ -173,7 +173,7 @@ gegl_tile_new (gint size)
   return tile;
 }
 
-static void
+static inline void
 gegl_tile_unclone (GeglTile *tile)
 {
   if (*gegl_tile_n_clones (tile) > 1)
@@ -277,7 +277,7 @@ gegl_tile_lock (GeglTile *tile)
     }
 }
 
-static void
+static inline void
 _gegl_tile_void_pyramid (GeglTileSource *source,
                          gint            x,
                          gint            y,
@@ -289,7 +289,7 @@ _gegl_tile_void_pyramid (GeglTileSource *source,
   _gegl_tile_void_pyramid (source, x/2, y/2, z+1);
 }
 
-static void
+static inline void
 gegl_tile_void_pyramid (GeglTile *tile)
 {
   if (tile->tile_storage &&