[DEV] Better shader debugLog, and bullet compatibility with Android

build

@@ -1 +1 @@
-Subproject commit aca9ee5a4dc58f87a5670eb1ad4490ebc5d0910d
+Subproject commit 94dbc0b4755f2e28b96c8cfea013037665a2d278

external/bullet/Generic.mk

@@ -11,7 +11,8 @@ LOCAL_C_INCLUDES :=  \
                     $(LOCAL_PATH)/bullet/Extras/ConvexDecomposition
 
 LOCAL_CFLAGS := -Wno-write-strings \
-                -DHAVE_CONFIG_H
+                -DHAVE_CONFIG_H \
+                -O2
 
 
 # load the common sources file of the platform

external/bullet/file.mk

@@ -146,7 +146,7 @@ FILE_LIST+= \
 			bullet/Extras/GIMPACTUtils/btGImpactConvexDecompositionShape.cpp
 
 # lib convexdecomposition
-FILE_LIST+= \
+#FILE_LIST+= \
 			bullet/Extras/ConvexDecomposition/concavity.cpp \
 			bullet/Extras/ConvexDecomposition/ConvexDecomposition.cpp \
 			bullet/Extras/ConvexDecomposition/vlookup.cpp \
@@ -164,7 +164,7 @@ FILE_LIST+= \
 
 
 # lib HACD
-FILE_LIST+= \
+#FILE_LIST+= \
 			bullet/Extras/HACD/hacdGraph.cpp \
 			bullet/Extras/HACD/hacdHACD.cpp \
 			bullet/Extras/HACD/hacdICHull.cpp \

sources/Android.mk

@@ -20,7 +20,10 @@ LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)
 
 LOCAL_CFLAGS := -Wno-write-strings \
                 -DEWOL_VERSION_TAG_NAME="\"$(LOCAL_VERSION_TAG)-$(BUILD_DIRECTORY_MODE)\"" \
-                -DDATA_IN_APK
+                -DDATA_IN_APK \
+                -O2
+
+#LOCAL_EXPORT_CFLAGS := -DBT_USE_NEON
 
 LOCAL_EXPORT_LDLIBS := -lGLESv2
 

sources/ewol/renderer/resources/Program.cpp

@@ -173,7 +173,22 @@ void ewol::Program::UpdateContext(void)
 			GLint bufLength = 0;
 			l_bufferDisplayError[0] = '\0';
 			glGetProgramInfoLog(m_program, LOG_OGL_INTERNAL_BUFFER_LEN, &bufLength, l_bufferDisplayError);
-			EWOL_ERROR("Could not compile \"PROGRAM\": " << l_bufferDisplayError);
+			char tmpLog[256];
+			int32_t idOut=0;
+			EWOL_ERROR("Could not compile \"PROGRAM\": ");
+			for (int32_t iii=0; iii<LOG_OGL_INTERNAL_BUFFER_LEN ; iii++) {
+				tmpLog[idOut] = l_bufferDisplayError[iii];
+				if (tmpLog[idOut] == '\n' || tmpLog[idOut] == '\0') {
+					tmpLog[idOut] = '\0';
+					EWOL_ERROR("    | " << tmpLog);
+					idOut=0;
+				} else {
+					idOut++;
+				}
+				if (l_bufferDisplayError[iii] == '\0') {
+					break;
+				}
+			}
 			glDeleteProgram(m_program);
 			checkGlError("glDeleteProgram", __LINE__);
 			m_program = 0;
@@ -265,6 +280,9 @@ void ewol::Program::Reload(void)
 
 void ewol::Program::SendAttribute(int32_t idElem, int32_t nbElement, void* pointer, int32_t jumpBetweenSample)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -287,6 +305,9 @@ void ewol::Program::SendAttribute(int32_t idElem, int32_t nbElement, void* point
 
 void ewol::Program::UniformMatrix4fv(int32_t idElem, int32_t nbElement, mat4 _matrix, bool transpose)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -306,6 +327,9 @@ void ewol::Program::UniformMatrix4fv(int32_t idElem, int32_t nbElement, mat4 _ma
 
 void ewol::Program::Uniform1f(int32_t idElem, float value1)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -318,6 +342,9 @@ void ewol::Program::Uniform1f(int32_t idElem, float value1)
 }
 void ewol::Program::Uniform2f(int32_t idElem, float value1, float value2)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -330,6 +357,9 @@ void ewol::Program::Uniform2f(int32_t idElem, float value1, float value2)
 }
 void ewol::Program::Uniform3f(int32_t idElem, float value1, float value2, float value3)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -342,6 +372,9 @@ void ewol::Program::Uniform3f(int32_t idElem, float value1, float value2, float
 }
 void ewol::Program::Uniform4f(int32_t idElem, float value1, float value2, float value3, float value4)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -357,6 +390,9 @@ void ewol::Program::Uniform4f(int32_t idElem, float value1, float value2, float
 
 void ewol::Program::Uniform1i(int32_t idElem, int32_t value1)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -369,6 +405,9 @@ void ewol::Program::Uniform1i(int32_t idElem, int32_t value1)
 }
 void ewol::Program::Uniform2i(int32_t idElem, int32_t value1, int32_t value2)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -381,6 +420,9 @@ void ewol::Program::Uniform2i(int32_t idElem, int32_t value1, int32_t value2)
 }
 void ewol::Program::Uniform3i(int32_t idElem, int32_t value1, int32_t value2, int32_t value3)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -393,6 +435,9 @@ void ewol::Program::Uniform3i(int32_t idElem, int32_t value1, int32_t value2, in
 }
 void ewol::Program::Uniform4i(int32_t idElem, int32_t value1, int32_t value2, int32_t value3, int32_t value4)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -409,6 +454,9 @@ void ewol::Program::Uniform4i(int32_t idElem, int32_t value1, int32_t value2, in
 
 void ewol::Program::Uniform1fv(int32_t idElem, int32_t nbElement, float *value)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -429,6 +477,9 @@ void ewol::Program::Uniform1fv(int32_t idElem, int32_t nbElement, float *value)
 }
 void ewol::Program::Uniform2fv(int32_t idElem, int32_t nbElement, float *value)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -449,6 +500,9 @@ void ewol::Program::Uniform2fv(int32_t idElem, int32_t nbElement, float *value)
 }
 void ewol::Program::Uniform3fv(int32_t idElem, int32_t nbElement, float *value)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -469,6 +523,9 @@ void ewol::Program::Uniform3fv(int32_t idElem, int32_t nbElement, float *value)
 }
 void ewol::Program::Uniform4fv(int32_t idElem, int32_t nbElement, float *value)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -492,6 +549,9 @@ void ewol::Program::Uniform4fv(int32_t idElem, int32_t nbElement, float *value)
 
 void ewol::Program::Uniform1iv(int32_t idElem, int32_t nbElement, int32_t *value)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -512,6 +572,9 @@ void ewol::Program::Uniform1iv(int32_t idElem, int32_t nbElement, int32_t *value
 }
 void ewol::Program::Uniform2iv(int32_t idElem, int32_t nbElement, int32_t *value)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -532,6 +595,9 @@ void ewol::Program::Uniform2iv(int32_t idElem, int32_t nbElement, int32_t *value
 }
 void ewol::Program::Uniform3iv(int32_t idElem, int32_t nbElement, int32_t *value)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -552,6 +618,9 @@ void ewol::Program::Uniform3iv(int32_t idElem, int32_t nbElement, int32_t *value
 }
 void ewol::Program::Uniform4iv(int32_t idElem, int32_t nbElement, int32_t *value)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
 		return;
@@ -577,6 +646,9 @@ void ewol::Program::Uniform4iv(int32_t idElem, int32_t nbElement, int32_t *value
 
 void ewol::Program::Use(void)
 {
+	if (0==m_program) {
+		return;
+	}
 	glUseProgram(m_program);
 	checkGlError("glUseProgram", __LINE__);
 }
@@ -584,6 +656,9 @@ void ewol::Program::Use(void)
 
 void ewol::Program::SetTexture0(int32_t idElem, GLint textureOpenGlID)
 {
+	if (0==m_program) {
+		return;
+	}
 	if (idElem<0 || idElem>m_elementList.Size()) {
 		return;
 	}
@@ -607,6 +682,9 @@ void ewol::Program::SetTexture0(int32_t idElem, GLint textureOpenGlID)
 
 void ewol::Program::UnUse(void)
 {
+	if (0==m_program) {
+		return;
+	}
 	#if 0
 	if (true == m_hasTexture) {
 		glDisable(GL_TEXTURE_2D);

sources/ewol/widget/Scene.cpp

@@ -41,12 +41,14 @@ class SceneDebugDrawer : public btIDebugDraw
 		virtual void drawLine(const btVector3& from,const btVector3& to,const btVector3& fromColor, const btVector3& toColor)
 		{
 			EWOL_DEBUG("DebugDisplay : drawLine");
+			/*
 			glBegin(GL_LINES);
 				glColor3f(fromColor.getX(), fromColor.getY(), fromColor.getZ());
 				glVertex3d(from.getX(), from.getY(), from.getZ());
 				glColor3f(toColor.getX(), toColor.getY(), toColor.getZ());
 				glVertex3d(to.getX(), to.getY(), to.getZ());
 			glEnd();
+			*/
 		}
 		virtual void drawLine(const btVector3& from,const btVector3& to,const btVector3& color)
 		{
@@ -55,9 +57,11 @@ class SceneDebugDrawer : public btIDebugDraw
 		virtual void drawSphere (const btVector3& p, btScalar radius, const btVector3& color)
 		{
 			EWOL_DEBUG("DebugDisplay : drawSphere");
+			/*
 			glColor4f (color.getX(), color.getY(), color.getZ(), btScalar(1.0f));
 			glPushMatrix ();
 			glTranslatef (p.getX(), p.getY(), p.getZ());
+			*/
 			int lats = 5;
 			int longs = 5;
 			int i, j;
@@ -68,6 +72,7 @@ class SceneDebugDrawer : public btIDebugDraw
 				btScalar lat1 = SIMD_PI * (-btScalar(0.5) + (btScalar) i / lats);
 				btScalar z1 = radius*sin(lat1);
 				btScalar zr1 = radius*cos(lat1);
+				/*
 				glBegin(GL_QUAD_STRIP);
 				for(j = 0; j <= longs; j++) {
 					btScalar lng = 2 * SIMD_PI * (btScalar) (j - 1) / longs;
@@ -79,8 +84,9 @@ class SceneDebugDrawer : public btIDebugDraw
 					glVertex3f(x * zr1, y * zr1, z1);
 				}
 				glEnd();
+				*/
 			}
-			glPopMatrix();
+			//glPopMatrix();
 		}
 		
 		virtual void drawTriangle(const btVector3& a,const btVector3& b,const btVector3& c,const btVector3& color,btScalar alpha)
@@ -88,6 +94,7 @@ class SceneDebugDrawer : public btIDebugDraw
 			EWOL_DEBUG("DebugDisplay : drawTriangle");
 		//	if (m_debugMode > 0)
 			{
+				/*
 				const btVector3	n=btCross(b-a,c-a).normalized();
 				glBegin(GL_TRIANGLES);		
 				glColor4f(color.getX(), color.getY(), color.getZ(),alpha);
@@ -96,6 +103,7 @@ class SceneDebugDrawer : public btIDebugDraw
 				glVertex3d(b.getX(),b.getY(),b.getZ());
 				glVertex3d(c.getX(),c.getY(),c.getZ());
 				glEnd();
+				*/
 			}
 		}
 		
@@ -103,6 +111,7 @@ class SceneDebugDrawer : public btIDebugDraw
 		virtual void drawContactPoint(const btVector3& pointOnB,const btVector3& normalOnB,btScalar distance,int lifeTime,const btVector3& color)
 		{
 			EWOL_DEBUG("DebugDisplay : drawContactPoint");
+			/*
 			btVector3 to=pointOnB+normalOnB*1;//distance;
 			const btVector3&from = pointOnB;
 			glColor4f(color.getX(), color.getY(), color.getZ(),1.f);
@@ -111,6 +120,7 @@ class SceneDebugDrawer : public btIDebugDraw
 			glVertex3d(from.getX(), from.getY(), from.getZ());
 			glVertex3d(to.getX(), to.getY(), to.getZ());
 			glEnd();
+			*/
 		}
 		
 		virtual void reportErrorWarning(const char* warningString)
@@ -122,7 +132,7 @@ class SceneDebugDrawer : public btIDebugDraw
 		virtual void draw3dText(const btVector3& location,const char* textString)
 		{
 			EWOL_DEBUG("DebugDisplay : draw3dText");
-			glRasterPos3f(location.x(),  location.y(),  location.z());
+			//glRasterPos3f(location.x(),  location.y(),  location.z());
 			//BMF_DrawString(BMF_GetFont(BMF_kHelvetica10),textString);
 		}
 		
@@ -247,8 +257,8 @@ widget::Scene::Scene(btDynamicsWorld* gameEngine) :
 					btDefaultMotionState* myMotionState = new btDefaultMotionState(startTransform);
 					if(jjj%2==0) {
 						btRigidBody::btRigidBodyConstructionInfo rbInfo(mass,myMotionState,colBoxShape,localInertia);
-						btRigidBody* body = new btRigidBody(rbInfo);
+					btRigidBody* body = new btRigidBody(rbInfo);
-						m_dynamicsWorld->addRigidBody(body);
+					m_dynamicsWorld->addRigidBody(body);
 					} else {
 						btRigidBody::btRigidBodyConstructionInfo rbInfo(mass,myMotionState,colSphereShape,localInertia);
 						btRigidBody* body = new btRigidBody(rbInfo);
@@ -361,14 +371,14 @@ void widget::Scene::DrawSphere(btScalar radius, int lats, int longs, mat4& trans
 }
 
 
-inline void glDrawVector(const btVector3& v) { glVertex3d(v[0], v[1], v[2]); }
+inline void glDrawVector(const btVector3& v) { /*glVertex3d(v[0], v[1], v[2]);*/ }
 
 void widget::Scene::DrawOpenGL(btScalar* mmm, 
-                               const btCollisionShape* shape,
+                const btCollisionShape* shape,
-                               const btVector3& color,
+                const btVector3& color,
-                               int32_t	debugMode,
+                int32_t	debugMode,
-                               const btVector3& worldBoundsMin,
+                const btVector3& worldBoundsMin,
-                               const btVector3& worldBoundsMax)
+                const btVector3& worldBoundsMax)
 {
 	mat4 transformationMatrix(mmm);
 	transformationMatrix.Transpose();
@@ -390,6 +400,7 @@ void widget::Scene::DrawOpenGL(btScalar* mmm,
 		btVector3 halfExtent = boxShape->getHalfExtentsWithMargin();
 		dx *= halfExtent[0];
 		dy *= halfExtent[1];
+		/*
 		glColor3f(1,1,1);
 		glDisable(GL_LIGHTING);
 		glLineWidth(2);
@@ -399,6 +410,7 @@ void widget::Scene::DrawOpenGL(btScalar* mmm,
 		glDrawVector(org + dx + dy);
 		glDrawVector(org + dx - dy);
 		glEnd();
+		*/
 		return;
 	} else if((shape->getShapeType() == BOX_SHAPE_PROXYTYPE) && (debugMode & btIDebugDraw::DBG_FastWireframe)) {
 		EWOL_DEBUG("    Draw (2): BOX_SHAPE_PROXYTYPE");
@@ -411,6 +423,7 @@ void widget::Scene::DrawOpenGL(btScalar* mmm,
 		dx *= halfExtent[0];
 		dy *= halfExtent[1];
 		dz *= halfExtent[2];
+		/*
 		glBegin(GL_LINE_LOOP);
 		glDrawVector(org - dx - dy - dz);
 		glDrawVector(org + dx - dy - dz);
@@ -431,6 +444,7 @@ void widget::Scene::DrawOpenGL(btScalar* mmm,
 		glDrawVector(org - dx - dy + dz);
 		glDrawVector(org - dx + dy + dz);
 		glEnd();
+		*/
 		return;
 	}
 	/*
@@ -454,7 +468,7 @@ void widget::Scene::DrawOpenGL(btScalar* mmm,
 			           worldBoundsMin,
 			           worldBoundsMax);
 		}
-		glPopMatrix();
+		//glPopMatrix();
 		return;
 	}
 	if (shape->getShapeType() == COMPOUND_SHAPE_PROXYTYPE) {
@@ -581,7 +595,7 @@ void widget::Scene::DrawOpenGL(btScalar* mmm,
 						EWOL_DEBUG("                shape->isConvex()");
 						const btConvexPolyhedron* poly = shape->isPolyhedral() ? ((btPolyhedralConvexShape*) shape)->getConvexPolyhedron() : 0;
 						if (NULL!=poly) {
-							glBegin(GL_TRIANGLES);
+							//glBegin(GL_TRIANGLES);
 							for (int32_t iii=0 ; iii<poly->m_faces.size() ; iii++) {
 								btVector3 centroid(0,0,0);
 								int numVerts = poly->m_faces[iii].m_indices.size();
@@ -592,14 +606,16 @@ void widget::Scene::DrawOpenGL(btScalar* mmm,
 										btVector3 v3 = poly->m_vertices[poly->m_faces[iii].m_indices[vvv+2]];
 										btVector3 normal = (v3-v1).cross(v2-v1);
 										normal.normalize ();
+										/*
 										glNormal3f(normal.getX(),normal.getY(),normal.getZ());
 										glVertex3f (v1.x(), v1.y(), v1.z());
 										glVertex3f (v2.x(), v2.y(), v2.z());
 										glVertex3f (v3.x(), v3.y(), v3.z());
+										*/
 									}
 								}
 							}
-							glEnd();
+							//glEnd();
 						} else {
 							// TODO : Set it back ...
 							/*
@@ -670,8 +686,8 @@ void DrawShadow(btScalar* mmm,
                 const btVector3& worldBoundsMin,
                 const btVector3& worldBoundsMax)
 {
-	glPushMatrix(); 
+	//glPushMatrix(); 
-	glMultMatrixf(mmm);
+	//glMultMatrixf(mmm);
 	if(shape->getShapeType() == UNIFORM_SCALING_SHAPE_PROXYTYPE) {
 		const btUniformScalingShape* scalingShape = static_cast<const btUniformScalingShape*>(shape);
 		const btConvexShape* convexShape = scalingShape->getChildShape();
@@ -685,7 +701,7 @@ void DrawShadow(btScalar* mmm,
 		           convexShape,
 		           worldBoundsMin,
 		           worldBoundsMax);
-		glPopMatrix();
+		//glPopMatrix();
 		return;
 	} else if(shape->getShapeType()==COMPOUND_SHAPE_PROXYTYPE) {
 		const btCompoundShape* compoundShape = static_cast<const btCompoundShape*>(shape);
@@ -719,8 +735,8 @@ void DrawShadow(btScalar* mmm,
 					glVertex3f(a[0]+extrusion[0],a[1]+extrusion[1],a[2]+extrusion[2]);
 				}
 			}
-			*/
 			glEnd();
+			*/
 		}
 	}
 	if (shape->isConcave()) {
@@ -732,7 +748,7 @@ void DrawShadow(btScalar* mmm,
 		concaveMesh->processAllTriangles(&drawCallback,worldBoundsMin,worldBoundsMax);
 		*/
 	}
-	glPopMatrix();
+	//glPopMatrix();
 
 }
 
@@ -740,7 +756,7 @@ void DrawShadow(btScalar* mmm,
 void widget::Scene::renderscene(int pass)
 {
 	//glPushMatrix();
-	EWOL_DEBUG("Render Scene pass=" << pass);
+	//EWOL_DEBUG("Render Scene pass=" << pass);
 	//mat4& myMatrix = ewol::openGL::GetMatrix();
 	//myMatrix = m_camera.GetMatrix() * myMatrix;
 	//myMatrix.Transpose();
@@ -824,7 +840,7 @@ void widget::Scene::renderscene(int pass)
 			}
 		}
 	}
-	glPopMatrix();
+	//glPopMatrix();
 }
 
 

sources/ewol/widget/Widget.cpp

@@ -124,6 +124,12 @@ void ewol::Widget::GenDraw(DrawProperty displayProp)
 		// widget is hidden ...
 		return;
 	}
+	// check if the element is displayable in the windows : 
+	if(    displayProp.m_windowsSize.x < m_origin.x
+	    || displayProp.m_windowsSize.y < m_origin.y ) {
+		// out of the windows ==> nothing to display ...
+		return;
+	}
 	ewol::openGL::Push();
 	if(    (displayProp.m_origin.x > m_origin.x)
 	    || (displayProp.m_origin.x + displayProp.m_size.x < m_size.x + m_origin.x) ) {