Start up procedures

apps/LoopThroughWithOpenGLCompositing/gl/OpenGLComposite.cpp

@@ -1,44 +1,3 @@
-/* -LICENSE-START-
- ** Copyright (c) 2012 Blackmagic Design
- **  
- ** Permission is hereby granted, free of charge, to any person or organization 
- ** obtaining a copy of the software and accompanying documentation (the 
- ** "Software") to use, reproduce, display, distribute, sub-license, execute, 
- ** and transmit the Software, and to prepare derivative works of the Software, 
- ** and to permit third-parties to whom the Software is furnished to do so, in 
- ** accordance with:
- ** 
- ** (1) if the Software is obtained from Blackmagic Design, the End User License 
- ** Agreement for the Software Development Kit ("EULA") available at 
- ** https://www.blackmagicdesign.com/EULA/DeckLinkSDK; or
- ** 
- ** (2) if the Software is obtained from any third party, such licensing terms 
- ** as notified by that third party,
- ** 
- ** and all subject to the following:
- ** 
- ** (3) the copyright notices in the Software and this entire statement, 
- ** including the above license grant, this restriction and the following 
- ** disclaimer, must be included in all copies of the Software, in whole or in 
- ** part, and all derivative works of the Software, unless such copies or 
- ** derivative works are solely in the form of machine-executable object code 
- ** generated by a source language processor.
- ** 
- ** (4) THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
- ** OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
- ** FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT 
- ** SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE 
- ** FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, 
- ** ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
- ** DEALINGS IN THE SOFTWARE.
- ** 
- ** A copy of the Software is available free of charge at 
- ** https://www.blackmagicdesign.com/desktopvideo_sdk under the EULA.
- ** 
- ** -LICENSE-END-
- */
-
-#include "ControlServer.h"
 #include "DeckLinkDisplayMode.h"
 #include "DeckLinkFrameTransfer.h"
 #include "DeckLinkSession.h"
@@ -48,22 +7,16 @@
 #include "OpenGLDeckLinkBridge.h"
 #include "OpenGLRenderPass.h"
 #include "OpenGLShaderPrograms.h"
-#include "OscServer.h"
-#include "RuntimeControlBridge.h"
+#include "RuntimeServices.h"
 
 #include <memory>
 #include <string>
-#include <thread>
 #include <vector>
 
 OpenGLComposite::OpenGLComposite(HWND hWnd, HDC hDC, HGLRC hRC) :
 	hGLWnd(hWnd), hGLDC(hDC), hGLRC(hRC),
 	mDeckLink(std::make_unique<DeckLinkSession>()),
-	mRenderer(std::make_unique<OpenGLRenderer>()),
-	mRuntimePollRunning(false),
-	mRuntimeRegistryChanged(false),
-	mRuntimeReloadRequested(false),
-	mRuntimePollFailed(false)
+	mRenderer(std::make_unique<OpenGLRenderer>())
 {
 	InitializeCriticalSection(&pMutex);
 	mRuntimeHost = std::make_unique<RuntimeHost>();
@@ -78,19 +31,15 @@ OpenGLComposite::OpenGLComposite(HWND hWnd, HDC hDC, HGLRC hRC) :
 		[this]() { paintGL(); });
 	mRenderPass = std::make_unique<OpenGLRenderPass>(*mRenderer);
 	mShaderPrograms = std::make_unique<OpenGLShaderPrograms>(*mRenderer, *mRuntimeHost);
-	mControlServer = std::make_unique<ControlServer>();
-	mOscServer = std::make_unique<OscServer>();
+	mRuntimeServices = std::make_unique<RuntimeServices>();
 }
 
 OpenGLComposite::~OpenGLComposite()
 {
-	StopRuntimePolling();
+	if (mRuntimeServices)
+		mRuntimeServices->Stop();
 	mDeckLink->ReleaseResources();
 	mRenderer->DestroyResources();
-	if (mOscServer)
-		mOscServer->Stop();
-	if (mControlServer)
-		mControlServer->Stop();
 
 	DeleteCriticalSection(&pMutex);
 }
@@ -255,7 +204,7 @@ bool OpenGLComposite::InitOpenGLState()
 		return false;
 	}
 
-	if (!StartRuntimeControlServices(*this, *mRuntimeHost, *mControlServer, *mOscServer, runtimeError))
+	if (!mRuntimeServices->Start(*this, *mRuntimeHost, runtimeError))
 	{
 		MessageBoxA(NULL, runtimeError.c_str(), "Runtime control services failed to start", MB_OK);
 		return false;
@@ -284,7 +233,7 @@ bool OpenGLComposite::InitOpenGLState()
 	}
 
 	broadcastRuntimeState();
-	StartRuntimePolling();
+	mRuntimeServices->BeginPolling(*mRuntimeHost);
 	return true;
 }
 
@@ -306,13 +255,8 @@ bool OpenGLComposite::Start()
 
 bool OpenGLComposite::Stop()
 {
-	StopRuntimePolling();
-
-	if (mOscServer)
-		mOscServer->Stop();
-
-	if (mControlServer)
-		mControlServer->Stop();
+	if (mRuntimeServices)
+		mRuntimeServices->Stop();
 
 	const bool wasExternalKeyingActive = mDeckLink->ExternalKeyingActive();
 	mDeckLink->Stop();
@@ -380,72 +324,23 @@ void OpenGLComposite::renderEffect()
 		});
 }
 
-void OpenGLComposite::StartRuntimePolling()
-{
-	if (!mRuntimeHost || mRuntimePollRunning.exchange(true))
-		return;
-
-	mRuntimePollThread = std::thread([this]() { RuntimePollLoop(); });
-}
-
-void OpenGLComposite::StopRuntimePolling()
-{
-	if (!mRuntimePollRunning.exchange(false))
-		return;
-
-	if (mRuntimePollThread.joinable())
-		mRuntimePollThread.join();
-}
-
-void OpenGLComposite::RuntimePollLoop()
-{
-	while (mRuntimePollRunning)
-	{
-		bool registryChanged = false;
-		bool reloadRequested = false;
-		std::string runtimeError;
-		if (!mRuntimeHost->PollFileChanges(registryChanged, reloadRequested, runtimeError))
-		{
-			{
-				std::lock_guard<std::mutex> lock(mRuntimePollErrorMutex);
-				mRuntimePollError = runtimeError;
-			}
-			mRuntimePollFailed = true;
-		}
-		else
-		{
-			if (registryChanged)
-				mRuntimeRegistryChanged = true;
-			if (reloadRequested)
-				mRuntimeReloadRequested = true;
-		}
-
-		for (int i = 0; i < 25 && mRuntimePollRunning; ++i)
-			Sleep(10);
-	}
-}
-
 bool OpenGLComposite::ProcessRuntimePollResults()
 {
-	if (!mRuntimeHost)
+	if (!mRuntimeHost || !mRuntimeServices)
 		return true;
 
-	if (mRuntimePollFailed.exchange(false))
+	const RuntimePollEvents events = mRuntimeServices->ConsumePollEvents();
+	if (events.failed)
 	{
-		std::string runtimeError;
-		{
-			std::lock_guard<std::mutex> lock(mRuntimePollErrorMutex);
-			runtimeError = mRuntimePollError;
-		}
-		mRuntimeHost->SetCompileStatus(false, runtimeError);
+		mRuntimeHost->SetCompileStatus(false, events.error);
 		broadcastRuntimeState();
 		return false;
 	}
 
-	if (mRuntimeRegistryChanged.exchange(false))
+	if (events.registryChanged)
 		broadcastRuntimeState();
 
-	if (!mRuntimeReloadRequested.exchange(false))
+	if (!events.reloadRequested)
 		return true;
 
 	char compilerErrorMessage[1024] = {};
@@ -464,8 +359,8 @@ bool OpenGLComposite::ProcessRuntimePollResults()
 
 void OpenGLComposite::broadcastRuntimeState()
 {
-	if (mControlServer)
-		mControlServer->BroadcastState();
+	if (mRuntimeServices)
+		mRuntimeServices->BroadcastState();
 }
 
 void OpenGLComposite::resetTemporalHistoryState()