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Diffstat (limited to 'source/blender/compositor/realtime_compositor/COM_static_shader_manager.hh')
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diff --git a/source/blender/compositor/realtime_compositor/COM_static_shader_manager.hh b/source/blender/compositor/realtime_compositor/COM_static_shader_manager.hh
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#pragma once
+
+#include "BLI_map.hh"
+#include "BLI_string_ref.hh"
+
+#include "GPU_shader.h"
+
+namespace blender::realtime_compositor {
+
+/* -------------------------------------------------------------------------------------------------
+ * Static Shader Manager
+ *
+ * A static shader manager is a map of shaders identified by their info name that can be acquired
+ * and reused throughout the evaluation of the compositor and are only freed when the shader
+ * manager is destroyed. Once a shader is acquired for the first time, it will be cached in the
+ * manager to be potentially acquired later if needed without the shader creation overhead. */
+class StaticShaderManager {
+ private:
+ /* The set of shaders identified by their info name that are currently available in the manager
+ * to be acquired. */
+ Map<StringRef, GPUShader *> shaders_;
+
+ public:
+ ~StaticShaderManager();
+
+ /* Check if there is an available shader with the given info name in the manager, if such shader
+ * exists, return it, otherwise, return a newly created shader and add it to the manager. */
+ GPUShader *get(const char *info_name);
+};
+
+} // namespace blender::realtime_compositor