From fb1621b773959af38f4d04510d39dd4b63cbbb88 Mon Sep 17 00:00:00 2001
From: Krisjanis Rijnieks <krisjanis.rijnieks@gmail.com>
Date: Thu, 11 Aug 2016 12:45:05 +0300
Subject: [PATCH] Add possibility to disable FboSource::draw() when needed

---
 src/Sources/FboSource.cpp | 10 ++++++++++
 src/Sources/FboSource.h   |  4 +++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/Sources/FboSource.cpp b/src/Sources/FboSource.cpp
index d21f1c9..ebeb58a 100644
--- a/src/Sources/FboSource.cpp
+++ b/src/Sources/FboSource.cpp
@@ -8,6 +8,7 @@ FboSource::FboSource() : fbo(0){
 	loadable = false;
 	loaded = false;
 	type = SourceType::SOURCE_TYPE_FBO;
+	_disableDraw = false;
 }
 
 FboSource::~FboSource(){
@@ -48,6 +49,11 @@ void FboSource::onAppDraw(ofEventArgs & args){
 		ofLogWarning("FboSource") << "FBO not allocated";
 		return;
 	}
+	
+	if(_disableDraw){
+		return;
+	}
+	
 	fbo->begin();
 	draw();
 	fbo->end();
@@ -57,6 +63,10 @@ void FboSource::onAppExit(ofEventArgs & args){
 	exit();
 }
 
+void FboSource::setDisableDraw(bool b){
+	_disableDraw = b;
+}
+
 void FboSource::allocate(int width, int height){
 	clear();
 	fbo = new ofFbo();
diff --git a/src/Sources/FboSource.h b/src/Sources/FboSource.h
index 54aed6a..b11b6e3 100644
--- a/src/Sources/FboSource.h
+++ b/src/Sources/FboSource.h
@@ -30,6 +30,7 @@ class FboSource : public BaseSource {
 		void onAppUpdate(ofEventArgs & args);
 		void onAppDraw(ofEventArgs & args);
 		void onAppExit(ofEventArgs & args);
+		void setDisableDraw(bool b); // Use in cases with external ofFbo
 
 	protected:
 		ofFbo * fbo;
@@ -38,7 +39,8 @@ class FboSource : public BaseSource {
 		// Some handy getters
 		int getWidth();
 		int getHeight();
-
+	
+		bool _disableDraw;
 };
 
 } // namespace piMapper