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Limit parallelizm for small mipmaps too

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Apply the same ideas that we use for memory format and color
conversions, to avoid overhead for small sizes.
This commit is contained in:
Matthias Clasen 2024-11-24 18:54:34 -05:00
parent c9d73c1c19
commit dc3ad33a43
1 changed files with 8 additions and 3 deletions
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11
gdk/gdkmemoryformat.c
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@ -2690,19 +2690,24 @@ gdk_memory_mipmap (guchar *dest,
.linear = linear,
.rows_done = 0,
};
gsize chunk_size;
guint n_tasks;
g_assert (lod_level > 0);
chunk_size = MAX (1, 512 / src_width),
n_tasks = (src_height + chunk_size - 1) / chunk_size;
if (dest_format == src_format)
{
if (linear)
gdk_parallel_task_run (gdk_memory_mipmap_same_format_linear, &mipmap, G_MAXUINT);
gdk_parallel_task_run (gdk_memory_mipmap_same_format_linear, &mipmap, n_tasks);
else
gdk_parallel_task_run (gdk_memory_mipmap_same_format_nearest, &mipmap, G_MAXUINT);
gdk_parallel_task_run (gdk_memory_mipmap_same_format_nearest, &mipmap, n_tasks);
}
else
{
gdk_parallel_task_run (gdk_memory_mipmap_generic, &mipmap, G_MAXUINT);
gdk_parallel_task_run (gdk_memory_mipmap_generic, &mipmap, n_tasks);
}
}