Initial commit

arm9/source/gui/VBlankTextureLoader.h

@@ -0,0 +1,35 @@
+#pragma once
+#include <libtwl/rtos/rtosMutex.h>
+#include "VBlankTextureLoadRequest.h"
+#include "core/LinkedList.h"
+
+/// @brief Class for loading texture data during vblank.
+class VBlankTextureLoader
+{
+public:
+    VBlankTextureLoader()
+    {
+        rtos_createMutex(&_mutex);
+    }
+
+    void VBlank();
+
+    void RequestLoad(VBlankTextureLoadRequest& request);
+    void CancelLoad(VBlankTextureLoadRequest& request);
+
+private:
+    enum class LoadingStage
+    {
+        Texture,
+        Palette
+    };
+
+    rtos_mutex_t _mutex;
+    LinkedList<VBlankTextureLoadRequest, &VBlankTextureLoadRequest::_listLink> _requests;
+    VBlankTextureLoadRequest* _currentRequest = nullptr;
+    u32 _currentLoadingOffset = 0;
+    LoadingStage _currentLoadingStage;
+
+    bool LoadTexture();
+    bool LoadPalette();
+};