init

src/panfrost/shared/pan_minmax_cache.h

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2020 Collabora, Ltd.
+ * SPDX-License-Identifier: MIT
+ */
+
+#ifndef H_PAN_MINMAX_CACHE
+#define H_PAN_MINMAX_CACHE
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stddef.h>
+
+#define PANFROST_MINMAX_SIZE 64
+
+struct pan_minmax_cache {
+   uint64_t keys[PANFROST_MINMAX_SIZE];
+   uint64_t values[PANFROST_MINMAX_SIZE];
+   unsigned size;
+   unsigned index;
+};
+
+bool pan_minmax_cache_get(struct pan_minmax_cache *cache, unsigned index_size,
+                          unsigned start, unsigned count, unsigned *min_index,
+                          unsigned *max_index);
+
+void pan_minmax_cache_add(struct pan_minmax_cache *cache, unsigned index_size,
+                          unsigned start, unsigned count, unsigned min_index,
+                          unsigned max_index);
+
+void pan_minmax_cache_invalidate(struct pan_minmax_cache *cache,
+                                 unsigned index_size, size_t offset,
+                                 size_t size);
+
+#endif