[DEV] correction of error of openGl error when lose context

sources/android/src/org/ewol/EwolWallpaper.java

@@ -124,7 +124,7 @@ public abstract class EwolWallpaper extends WallpaperService implements EwolCall
 			
 			// On Honeycomb+ devices, this improves the performance when
 			// leaving and resuming the live wallpaper.
-			setPreserveEGLContextOnPause(true);
+			//setPreserveEGLContextOnPause(true);
 			
 		}
 		

sources/ewol/renderer/ResourceManager.cpp

@@ -11,6 +11,7 @@
 #include <ewol/renderer/ResourceManager.h>
 #include <ewol/renderer/resources/FontFreeType.h>
 #include <ewol/ewol.h>
+#include <ewol/renderer/openGL.h>
 
 
 // Specific for the resource : 
@@ -113,6 +114,7 @@ void ewol::resource::UpdateContext(void)
 				for (int32_t iii=0; iii<l_resourceList.Size(); iii++) {
 					if(l_resourceList[iii] != NULL) {
 						if (jjj==l_resourceList[iii]->GetResourceLevel()) {
+							//EWOL_DEBUG("Update context of " << iii << " named : " << l_resourceList[iii]->GetName());
 							l_resourceList[iii]->UpdateContext();
 						}
 					}
@@ -145,6 +147,7 @@ void ewol::resource::ContextHasBeenDestroyed(void)
 			l_resourceList[iii]->RemoveContextToLate();
 		}
 	}
+	ewol::openGL::ContextIsRemoved();
 	// no context preent ...
 	l_contextHasBeenRemoved = true;
 }

sources/ewol/renderer/openGL.cpp

@@ -37,6 +37,12 @@ void ewol::openGL::UnInit(void)
 	l_matrixCamera.Identity();
 }
 
+void ewol::openGL::ContextIsRemoved(void)
+{
+	// same as call Init, but in case of changing...
+	ewol::openGL::Init();
+}
+
 void ewol::openGL::SetBasicMatrix(const mat4& newOne)
 {
 	if (l_matrixList.Size()!=1) {

sources/ewol/renderer/openGL.h

@@ -64,6 +64,10 @@ namespace ewol {
 		 * @brief un-init the opengl element from the graphic card
 		 */
 		void UnInit(void);
+		/**
+		 * @brief Need to call it when openGl context is removed ==> need to reset internal properties ...
+		 */
+		void ContextIsRemoved(void);
 		/**
 		 * @brief When you will done an opengl rendering, you might call this reset matrix first. It remove all the stach of the matrix pushed.
 		 * @param[in] newOne the default matrix that might be set for the graphic card for renderer. if too more pop will be done, this is the last that mmight survived

sources/ewol/renderer/resources/Program.cpp

@@ -776,6 +776,7 @@ void ewol::Program::SetTexture1(int32_t idElem, GLint textureOpenGlID)
 
 void ewol::Program::UnUse(void)
 {
+	//EWOL_WARNING("Will use program : " << m_program);
 	if (0==m_program) {
 		return;
 	}

sources/ewol/renderer/resources/Shader.cpp

@@ -77,6 +77,7 @@ void ewol::Shader::UpdateContext(void)
 			checkGlError("glCreateShader");
 			return;
 		} else {
+			//EWOL_INFO("Creater shader with GLID=" << m_shader);
 			glShaderSource(m_shader, 1, (const char**)&m_fileData, NULL);
 			glCompileShader(m_shader);
 			GLint compiled = 0;

sources/ewol/renderer/resources/Texture.cpp

@@ -97,6 +97,7 @@ void ewol::Texture::RemoveContext(void)
 void ewol::Texture::RemoveContextToLate(void)
 {
 	m_loaded = false;
+	m_texId=0;
 }