Salmon Engine/Salmon Engine.vcxproj

@@ -55,6 +55,8 @@
     <ClInclude Include="..\include\Utils\FileUtils\FileUtils.h" />
     <ClInclude Include="..\include\Utils\PngHelper.h" />
     <ClInclude Include="..\include\Utils\SerializeInterface\SerializeInterface.h" />
+    <ClInclude Include="..\include\Utils\ThreadUtils.h" />
+    <ClInclude Include="..\include\Utils\ThreadUtilsImpl.h" />
     <ClInclude Include="..\include\Utils\Utils.h" />
     <ClInclude Include="..\include\Utils\WinApi\WinApi.h" />
   </ItemGroup>
@@ -96,6 +98,7 @@
     <ClCompile Include="..\src\Utils\PngHelper.cpp" />
     <ClCompile Include="..\src\Utils\SerializeInterface\SerializeInterface.cpp" />
     <ClCompile Include="..\src\Utils\SimpleTimer.cpp" />
+    <ClCompile Include="..\src\Utils\ThreadUtils.cpp" />
     <ClCompile Include="..\src\Utils\WinApi\WinApi.cpp" />
   </ItemGroup>
   <PropertyGroup Label="Globals">

include/SalmonEngineInterface.h

@@ -56,6 +56,13 @@ protected:
 public:
 	std::string PathToResources;
 
+	boost::thread::id MainThreadId;
+
+	std::vector<boost::function<void()>> MainThreadAsyncFunctionArr;
+
+	boost::mutex FuncListMutex;
+	std::list<TFuncToPerform> MainThreadSyncFunctionList;
+
 	TTextureListClass TexList;
 	TModelManager ModelManager;
 	TFlexModelManager FlexModelManager;
@@ -79,7 +86,9 @@ public:
 	TSoundManagerIos SoundManager;
 #endif
 
-	~TResourceManager() { }
+	void Update(cardinal timer);
+
+	~TResourceManager();
 };
 
 

include/SalmonEngineWindows.h

@@ -65,4 +65,6 @@ int MainLoop(TApplication& application);
 //This file includes templates that call any of three singletones: Console, ResourceManager or Renderer
 
 #include "include/GUIManager/WidgetTemplatesImpl.h"
+#include "include/Utils/ThreadUtilsImpl.h"
+
 

include/TextureManager/SalmonTexture.h

@@ -58,12 +58,14 @@ protected:
 	bool CreateTexDataFromBmp32(const std::string& filename, TTextureData& texData);
 	bool CreateTexDataFromTga(const std::string& filename, TTextureData& texData);
 	bool CreateTexDataFromPng(const std::string& filename, TTextureData& texData);
+	
 	cardinal AddTextureBmp24Data(const TTextureData& texData);
 	cardinal AddTextureBmp32Data(const TTextureData& texData);
-
 	cardinal AddCubemapTextureBmp24Data(TTextureData* texData);
 	//cardinal AddCubemapTextureBmp32Data(TTextureData* texData); Not implemented yet
 
+	void InnerClear();
+
 public:
 	TTextureListClass();
 	~TTextureListClass();
@@ -84,7 +86,8 @@ public:
 	cardinal GetTextureWidth(const std::string& texName);
 
 	cardinal AddTextureDirectly(const std::string& filename, std::string texName = ""); //Loads texture directly from this file or fails
-	cardinal AddTexture(const std::string& fileName, std::string texName = ""); //Adds path to resources to the filename then call previous one
+	cardinal AddTexture(const std::string& fileName);
+	cardinal AddTexture(const std::string& fileName, std::string texName); //Adds path to resources to the filename then call previous one
 	cardinal AddTextureFromUserdata(const std::string& fileName, std::string texName = ""); //Same as above but checks if file is created in user data
 
 	cardinal AddCubemapTexture(std::string filename[6]); // "posx.bmp","negx.bmp","posy.bmp","negy.bmp","posz.bmp","negz.bmp"

include/Utils/ThreadUtils.h

@@ -0,0 +1,36 @@
+#ifndef THREAD_UTILS_H_INCLUDED
+#define THREAD_UTILS_H_INCLUDED
+
+#include "boost/signal.hpp"
+#include "boost/thread.hpp"
+
+
+namespace SE
+{
+
+	struct TFuncToPerform
+	{
+	private:
+	public:
+
+		TFuncToPerform()
+			: LockerPtr(new boost::mutex)
+		{
+		}
+
+		bool Executed;
+
+		std::shared_ptr<boost::mutex> LockerPtr;
+
+		boost::function<void()> Func;
+	};
+	
+	void AssertIfInMainThread();
+	void PerformInMainThreadAsync(boost::function<void()> f);
+
+	template<typename RETURNTYPE>
+	RETURNTYPE PerformInMainThread(boost::function<RETURNTYPE()> f);
+
+} //namespace SE
+
+#endif

include/Utils/ThreadUtilsImpl.h

@@ -0,0 +1,65 @@
+#ifndef THREAD_UTILS_IMPL_H_INCLUDED
+#define THREAD_UTILS_IMPL_H_INCLUDED
+
+#include "include/Engine.h"
+
+
+namespace SE
+{
+
+	template<typename RETURNTYPE>
+	struct TCoverFunc
+	{
+	public:
+		typedef void result_type;
+
+		boost::function<RETURNTYPE()> Func;
+
+		void operator()(RETURNTYPE& rx)
+		{
+			rx = Func();
+		}
+	};
+	
+	template<typename RETURNTYPE>
+	RETURNTYPE PerformInMainThread(boost::function<RETURNTYPE()> f)
+	{
+
+		if (boost::this_thread::get_id() == ResourceManager->MainThreadId)
+		{
+			return f();
+		}
+		else
+		{
+			RETURNTYPE result;
+
+			TCoverFunc<RETURNTYPE> cover_f;
+
+			cover_f.Func = f;
+
+			TFuncToPerform funcToPerform;
+
+			funcToPerform.Executed = false;
+			funcToPerform.Func = boost::bind(cover_f, boost::ref(result));
+			funcToPerform.LockerPtr->lock();
+
+			ResourceManager->FuncListMutex.lock();
+			auto itr = ResourceManager->MainThreadSyncFunctionList.insert(ResourceManager->MainThreadSyncFunctionList.end(), funcToPerform);
+			ResourceManager->FuncListMutex.unlock();
+
+			itr->LockerPtr->lock(); //wait until lock will be released
+			itr->LockerPtr->unlock();
+
+			ResourceManager->FuncListMutex.lock();
+			ResourceManager->MainThreadSyncFunctionList.erase(itr);
+			ResourceManager->FuncListMutex.unlock();
+
+
+			return result;
+
+		}
+	}
+
+} //namespace SE
+
+#endif

include/Utils/Utils.h

@@ -25,6 +25,7 @@ This code combines additional routines (such as console/log, exceptions, math ut
 
 #include "include/Utils/BindableVar.h"
 #include "include/Utils/SimpleTimer.h"
+#include "include/Utils/ThreadUtils.h"
 
 #ifdef TARGET_WIN32
 #include "WinApi/WinApi.h"

src/ApplicationInterface.cpp

@@ -11,6 +11,8 @@ TApplicationInterface::TApplicationInterface()
 
 void TApplicationInterface::OuterInit(int screenWidth, int screenHeight, float matrixWidth, float matrixHeight)
 {
+	ResourceManager->MainThreadId = boost::this_thread::get_id();
+
 	ResourceManager->ScriptManager.BindBasicFunctions();
 
 	Renderer->InitOpenGL(screenWidth, screenHeight, matrixWidth, matrixHeight);

src/SalmonEngineInterface.cpp

@@ -21,6 +21,46 @@ TSalmonRendererIos* Renderer;
 TResourceManager* ResourceManager;
 
 
+
+void TResourceManager::Update(cardinal timer)
+{
+
+	FuncListMutex.lock();
+
+	SoundManager.Update(timer);
+
+	GUIManager.Update(timer);
+
+	if (MainThreadAsyncFunctionArr.size() != 0)
+	{
+		MainThreadAsyncFunctionArr[0]();
+
+		MainThreadAsyncFunctionArr.erase(MainThreadAsyncFunctionArr.begin());
+	}
+
+	auto itr = MainThreadSyncFunctionList.begin();
+
+	while (itr != MainThreadSyncFunctionList.end() && itr->Executed)
+	{
+		itr++;
+	}
+
+	if (itr != MainThreadSyncFunctionList.end())
+	{
+		itr->Func();
+		itr->Executed = true;
+		itr->LockerPtr->unlock();
+	}
+	
+	FuncListMutex.unlock();
+}
+
+TResourceManager::~TResourceManager()
+{
+
+}
+
+
 TApplicationAncestor::TApplicationAncestor()
 {
 
@@ -63,9 +103,7 @@ void TApplicationAncestor::OuterDraw()
 
 void TApplicationAncestor::OuterUpdate(cardinal timer)
 {
-	ResourceManager->SoundManager.Update(timer);
+	ResourceManager->Update(timer);
-
-	ResourceManager->GUIManager.Update(timer);
 
 	InnerUpdate(timer);
 

src/TextureManager/SalmonTexture.cpp

@@ -37,6 +37,13 @@ TTextureListClass::~TTextureListClass()
 
 void TTextureListClass::Clear()
 {
+	PerformInMainThreadAsync(boost::bind(&TTextureListClass::InnerClear, this));
+}
+
+void TTextureListClass::InnerClear()
+{
+
+	AssertIfInMainThread();
 
 	if (TexMap.size() != 0)
 	{
@@ -50,7 +57,6 @@ void TTextureListClass::Clear()
 
 		*Console<<"ResourceManager::TexList cleared";
 	}
-	
 }
 
 void TTextureListClass::Serialize(boost::property_tree::ptree& propertyTree)
@@ -397,7 +403,7 @@ bool TTextureListClass::CreateTexDataFromPng(const std::string& filename, TTextu
 
 cardinal TTextureListClass::AddTextureBmp24Data(const TTextureData& texData)
 {
-
+	AssertIfInMainThread();
 
 	cardinal TexID = 0;
 
@@ -424,6 +430,8 @@ cardinal TTextureListClass::AddTextureBmp24Data(const TTextureData& texData)
 
 cardinal TTextureListClass::AddTextureBmp32Data(const TTextureData& texData)
 {
+	AssertIfInMainThread();
+
 	cardinal TexID;
 	glGenTextures(1, &TexID);
 	if (TexID == 0)
@@ -448,6 +456,8 @@ cardinal TTextureListClass::AddTextureBmp32Data(const TTextureData& texData)
 
 cardinal TTextureListClass::AddCubemapTextureBmp24Data(TTextureData* texData)
 {
+	AssertIfInMainThread();
+
 	cardinal TexID;
 	glGenTextures(1, &TexID);
 	glBindTexture(GL_TEXTURE_CUBE_MAP, TexID);
@@ -492,6 +502,7 @@ cardinal TTextureListClass::GetTextureWidth(const std::string& texName)
 
 cardinal TTextureListClass::AddTextureDirectly(const std::string& filename, std::string texName)
 {
+	AssertIfInMainThread();
 
 	cardinal TexID;
 
@@ -545,12 +556,18 @@ cardinal TTextureListClass::AddTextureDirectly(const std::string& filename, std:
 
 }
 
+cardinal TTextureListClass::AddTexture(const std::string& fileName)
+{
+	return AddTexture(fileName, "");
+}
+
 cardinal TTextureListClass::AddTexture(const std::string& fileName, std::string texName)
 {
-
     std::string fullFileName = ResourceManager->PathToResources + fileName;
-	return AddTextureDirectly(fullFileName, texName);
+
-    
+	boost::function<cardinal()> f = boost::bind(&TTextureListClass::AddTextureDirectly, this, fullFileName, texName);
+
+	return PerformInMainThread<cardinal>(f);
 }
 
 
@@ -565,13 +582,16 @@ cardinal TTextureListClass::AddTextureFromUserdata(const std::string& fileName,
 
 	std::string fullFileName = GetFilePathUserData(fileName);
 
-	return AddTextureDirectly(fullFileName.c_str(), texName);
+
+	boost::function<cardinal()> f = boost::bind(&TTextureListClass::AddTextureDirectly, this, fullFileName, texName);
+
+	return PerformInMainThread<cardinal>(f);
 }
 
 
 cardinal TTextureListClass::AddCubemapTexture(std::string filename[6])
 {
-
+	AssertIfInMainThread();
 	
 	filename[0] = ResourceManager->PathToResources + filename[0];
 	filename[1] = ResourceManager->PathToResources + filename[1];
@@ -643,6 +663,8 @@ cardinal TTextureListClass::AddCubemapTexture(std::string filename[6])
 
 cardinal TTextureListClass::AddEmptyTexture(const std::string& texName,cardinal width,cardinal height)
 {
+	AssertIfInMainThread();
+
 	cardinal texID;
 
 	if (TexMap.count(texName) == 0)
@@ -680,6 +702,8 @@ cardinal TTextureListClass::AddEmptyTexture(const std::string& texName,cardinal
 
 cardinal TTextureListClass::AddEmptyCubemapTexture(const std::string& texName,cardinal width,cardinal height)
 {
+	AssertIfInMainThread();
+
 	cardinal texID;
 
 	if (TexMap.count(texName) == 0)
@@ -734,6 +758,8 @@ cardinal TTextureListClass::AddEmptyCubemapTexture(const std::string& texName,ca
 
 cardinal TTextureListClass::AddDepthTexture(const std::string& texName,cardinal width,cardinal height)
 {
+	AssertIfInMainThread();
+
 	#ifdef TARGET_WIN32
 	cardinal texID;
 
@@ -783,6 +809,8 @@ cardinal TTextureListClass::AddDepthTexture(const std::string& texName,cardinal
 
 void TTextureListClass::DeleteTexture(const std::string& texName)
 {
+	AssertIfInMainThread();
+
 	if (TexMap.count(texName) != 0)
 	{
 		--TexMap[texName].RefCount;
@@ -801,6 +829,8 @@ void TTextureListClass::DeleteTexture(const std::string& texName)
 
 void TTextureListClass::DeleteTexture(cardinal texID)
 {
+	AssertIfInMainThread();
+
 	TTextureMap::iterator i = TexMap.begin();
 
 	while (i != TexMap.end())

src/Utils/ThreadUtils.cpp

@@ -0,0 +1,26 @@
+#include "include/Engine.h"
+
+namespace SE
+{
+
+	void AssertIfInMainThread()
+	{
+		if (boost::this_thread::get_id() != ResourceManager->MainThreadId)
+		{
+			throw ErrorToLog("ERROR! AssertIfInMainThread failed!");
+		}
+	}
+
+	void PerformInMainThreadAsync(boost::function<void()> f)
+	{
+		if (boost::this_thread::get_id() == ResourceManager->MainThreadId)
+		{
+			f();
+		}
+		else
+		{
+			ResourceManager->MainThreadAsyncFunctionArr.push_back(f);
+		}
+	}
+
+} //namespace SE