Looks like the G-buffer debug is working alright

BaseGLProject/DSGeometryPass.frag

@@ -12,8 +12,6 @@ uniform sampler2D tex;
 void main()
 { 	
     gPosition = FragPos;
-	//gPosition = normalize(abs(FragPos));
-	//gPosition = vec3(1,1,1);
 
     gNormal = normalize(Normal);    
 	

BaseGLProject/DSGeometryPass.vert

@@ -15,10 +15,8 @@ uniform mat4 ModelMatrix;
 
 void main(void)
 {	
-	Normal = v_normal * NormalMatrix;
+	Normal = NormalMatrix * v_normal;
 	TexCoords = v_texmap;	
 	gl_Position = mvp * vec4(coord3d, 1.0f);	
 	FragPos = (ModelMatrix * vec4(coord3d, 1.0f)).xyz;
-	//FragPos = coord3.xyz;	
-	//FragPos = gl_Position.xyz;	
 }

BaseGLProject/Loader.h

@@ -96,7 +96,9 @@ private:
 		glGetShaderiv(shaderId, GL_COMPILE_STATUS, &shaderStatus);
 		if (shaderStatus == GL_FALSE)
 		{
-			throw std::runtime_error(shaderTypeString + " compilation failed: " + getInfoLog(ObjectType::SHADER, shaderId));
+			std::string err = getInfoLog(ObjectType::SHADER, shaderId);
+			std::cout << err << std::endl;
+			throw std::runtime_error(shaderTypeString + " compilation failed: " + err);
 		}
 		else
 		{

BaseGLProject/Models/Mesh.cpp

@@ -352,11 +352,11 @@ void Mesh::draw(SceneContext &ctx) {
 		ctx.modelMatrix = model.getMatrix();				
 		ctx.mvpMatrix = ctx.projectionMatrix * ctx.viewMatrix * ctx.modelMatrix;		
 		ctx.modelViewMatrix = ctx.viewMatrix * ctx.modelMatrix;		
-		ctx.normalMatrix = glm::mat3(glm::transpose(glm::inverse(ctx.modelViewMatrix)));				
+		ctx.normalMatrix = glm::transpose(glm::inverse(glm::mat3(ctx.modelMatrix)));
 
 		shader.addUniform("mvp", ctx.mvpMatrix);
-		//shader.addUniform("NormalMatrix", ctx.normalMatrix);
+		shader.addUniform("NormalMatrix", ctx.normalMatrix);
-		//shader.addUniform("ModelMatrix", ctx.modelMatrix);
+		shader.addUniform("ModelMatrix", ctx.modelMatrix);
 
 
 		glActiveTexture(GL_TEXTURE0);

BaseGLProject/MyGLWindow.cpp

@@ -150,12 +150,12 @@ void MyGlWindow::setup()
 		float pos_x = std::rand() % 100 - 50;
 		float pos_z = std::rand() % 100 - 50;
 
-		/*meshes[cube_name]->addStartTranslation(glm::vec4(0, 1, 0, 0));
+		meshes[cube_name]->addStartTranslation(glm::vec4(0, 1, 0, 0));
 		meshes[cube_name]->addStartTranslation(glm::vec4(pos_x, 0, 0, 0));
 		meshes[cube_name]->addStartTranslation(glm::vec4(0, 0, pos_z, 0));
 		meshes[cube_name]->addStartRotation(glm::vec4(1, 0, 0, std::rand() % 360));
 		meshes[cube_name]->addStartRotation(glm::vec4(0, 1, 0, std::rand() % 360));
-		meshes[cube_name]->addStartRotation(glm::vec4(0, 0, 1, std::rand() % 360));*/
+		meshes[cube_name]->addStartRotation(glm::vec4(0, 0, 1, std::rand() % 360));
 				
 		float light_r = (40 + std::rand() % 60) / 100.f;
 		float light_g = (40 + std::rand() % 60) / 100.f;
@@ -184,12 +184,17 @@ void MyGlWindow::draw()
 	glViewport(0, 0, _scnctx.width, _scnctx.height);
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 				
-	_multipassManager.enableFrameBufferTexture("position_buffer");
+	_multipassManager.enableFrameBufferTexture(_scnctx.fbo_display_name);
 
+	glEnable(GL_CULL_FACE);
+	glCullFace(GL_BACK);
 	for (auto it = meshes.begin(); it != meshes.end(); it++)
 		(*it).second->draw(_scnctx);
 	
+	glDisable(GL_CULL_FACE);
 	_multipassManager.drawResultToScreen(_scnctx);
+	
+	
 }
 
 void MyGlWindow::resize(int w, int h)

BaseGLProject/SceneContext.h

@@ -27,6 +27,8 @@ struct SceneContext
 	GLuint width;
 	glm::vec4 bg;
 
+	std::string fbo_display_name;
+
 	void adjustSpots()
 	{
 		for (auto it : lights)

BaseGLProject/Source.cpp

@@ -169,21 +169,32 @@ int loop(GLFWwindow *window)
 	int fps = 60;
 	double previousTime = glfwGetTime();
 
+	glWin._scnctx.fbo_display_name = "position_buffer";
+	bool is_selected = false;	
+
 	while (!glfwWindowShouldClose(window))
 	{   				
 		ImGui_ImplOpenGL3_NewFrame();
 		ImGui_ImplGlfw_NewFrame();
 		ImGui::NewFrame();
 
-		/*if (ImGui::Begin("First Window"))
+		if (ImGui::Begin("Scene settings"))
 		{
-			ImGui::SetWindowPos(ImVec2(20, 20));						
+			if (ImGui::BeginCombo("Debug Buffer", "Choose here"))
+			{			
+				if (ImGui::Selectable("Position buffer", &is_selected, 0, ImVec2(120, 10)))
+					glWin._scnctx.fbo_display_name = "position_buffer";
+				if (ImGui::Selectable("Normal buffer", &is_selected, 0, ImVec2(120, 10)))
+					glWin._scnctx.fbo_display_name = "normal_buffer";
+				if (ImGui::Selectable("Color buffer", &is_selected, 0, ImVec2(120, 10)))
+					glWin._scnctx.fbo_display_name = "color_buffer";
 
-			static float bgColor[3] = { 0.6f, 0.6f, 0.9f };
+				ImGui::EndCombo();
-			ImGui::ColorEdit3("Background", bgColor, 0);
-			glWin.setBgColor(bgColor);						
 			}
-		ImGui::End();*/
+
+			ImGui::SetWindowPos(ImVec2(20, 20));											
+		}
+		ImGui::End();
 
 		double currentTime = glfwGetTime();
 		frameCount++;

BaseGLProject/imgui.ini

@@ -53,3 +53,8 @@ Pos=1030,20
 Size=85,32
 Collapsed=0
 
+[Window][Scene settings]
+Pos=20,20
+Size=309,85
+Collapsed=0
+