generalized object render caches so they can be used for any object types

app/render/backend/CMakeLists.txt

@@ -21,9 +21,6 @@ add_subdirectory(vulkan)
 set(OLIVE_SOURCES
   ${OLIVE_SOURCES}
 
-  render/backend/decodercache.h
-  render/backend/decodercache.cpp
-
   render/backend/renderbackend.h
   render/backend/renderbackend.cpp
   render/backend/renderworker.h
@@ -40,6 +37,10 @@ set(OLIVE_SOURCES
   render/backend/videorenderframecache.cpp
   render/backend/videorenderworker.h
   render/backend/videorenderworker.cpp
+
+  render/backend/rendercache.h
+  render/backend/colorprocessorcache.h
+  render/backend/decodercache.h
   
   PARENT_SCOPE
 )

app/render/backend/colorprocessorcache.h

@@ -0,0 +1,10 @@
+#ifndef COLORPROCESSORCACHE_H
+#define COLORPROCESSORCACHE_H
+
+#include "project/item/footage/stream.h"
+#include "render/colorprocessor.h"
+#include "rendercache.h"
+
+using ColorProcessorCache = RenderCache<Stream*, ColorProcessorPtr>;
+
+#endif // COLORPROCESSORCACHE_H

app/render/backend/decodercache.cpp

@@ -1,21 +0,0 @@
-#include "decodercache.h"
-
-DecoderCache::DecoderCache()
-{
-
-}
-
-void DecoderCache::Clear()
-{
-  decoders_.clear();
-}
-
-void DecoderCache::AddDecoder(Stream *stream, DecoderPtr shader)
-{
-  decoders_.insert(stream, shader);
-}
-
-DecoderPtr DecoderCache::GetDecoder(Stream *stream)
-{
-  return decoders_.value(stream);
-}

app/render/backend/decodercache.h

@@ -3,24 +3,8 @@
 
 #include "decoder/decoder.h"
 #include "project/item/footage/stream.h"
+#include "rendercache.h"
 
-/**
- * @brief Thread-safe cache of decoders
- */
-class DecoderCache
-{
-public:
-  DecoderCache();
-
-  void Clear();
-
-  void AddDecoder(Stream* stream, DecoderPtr shader);
-
-  DecoderPtr GetDecoder(Stream* stream);
-
-private:
-  QMap<Stream*, DecoderPtr> decoders_;
-
-};
+using DecoderCache = RenderCache<Stream*, DecoderPtr>;
 
 #endif // DECODERCACHE_H

app/render/backend/rendercache.h

@@ -0,0 +1,22 @@
+#ifndef RENDERCACHE_H
+#define RENDERCACHE_H
+
+#include <QMap>
+
+template<class K, class V>
+class RenderCache
+{
+public:
+  RenderCache() = default;
+
+  void Clear(){values_.clear();}
+
+  void Add(K stream, V shader){values_.insert(stream, shader);}
+
+  V Get(K stream){return values_.value(stream);}
+
+private:
+  QMap<K, V> values_;
+};
+
+#endif // RENDERCACHE_H