gallium: rename 'state tracker' to 'frontend'

Acked-by: Eric Anholt <[email protected]>
Acked-by: Alyssa Rosenzweig <[email protected]>
Acked-by: Pierre-Eric Pelloux-Prayer <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4902>

1 files changed, 46 insertions, 0 deletions

diff --git a/src/gallium/frontends/nine/nine_pdata.h b/src/gallium/frontends/nine/nine_pdata.h
new file mode 100644
index 00000000000..8c73cd619ba
--- /dev/null
+++ b/src/gallium/frontends/nine/nine_pdata.h
@@ -0,0 +1,46 @@
+
+#ifndef _NINE_PDATA_H_
+#define _NINE_PDATA_H_
+
+struct pheader
+{
+    boolean unknown;
+    GUID guid;
+    DWORD size;
+};
+
+static bool
+ht_guid_compare( const void *a,
+                 const void *b )
+{
+    return GUID_equal(a, b);
+}
+
+static uint32_t
+ht_guid_hash( const void *key )
+{
+    unsigned i, hash = 0;
+    const unsigned char *str = key;
+
+    for (i = 0; i < sizeof(GUID); i++) {
+        hash = (unsigned)(str[i]) + (hash << 6) + (hash << 16) - hash;
+    }
+
+    return hash;
+}
+
+static enum pipe_error
+ht_guid_delete( void *key,
+                void *value,
+                void *data )
+{
+    struct pheader *header = value;
+    void *header_data = (void *)header + sizeof(*header);
+
+    if (header->unknown) { IUnknown_Release(*(IUnknown **)header_data); }
+    FREE(header);
+
+    return PIPE_OK;
+}
+
+#endif /* _NINE_PDATA_H_ */