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MshViewer/Source/OpenGlController.cpp

@@ -277,9 +277,6 @@ void OpenGLController::updateScene()
 	for (unsigned int modelIndex = 0; modelIndex < vModels.size(); modelIndex++)
 	{
 		// give the MVPs to the shader
-		glBindBuffer(GL_UNIFORM_BUFFER, gluiInstanceBufferID);
-		glBufferSubData(GL_UNIFORM_BUFFER, sizeof(glm::mat4), NULL, &getMVPMatrix(0));
-		glBindBuffer(GL_UNIFORM_BUFFER, 0);
 
 		//glUniformMatrix4fv(gluiMatrixID, 1, GL_FALSE, &getMVPMatrix(modelIndex)[0][0]);
 
@@ -385,4 +382,14 @@ void OpenGLController::loadMsh(const char * path)
 		tempBufferData.data(),
 		GL_STATIC_DRAW
 	);
+
+	//TODO: limit to max model count
+	std::vector<glm::mat4> tempMVPs;
+
+	for (int i = 0; i < vModels.size(); i++)
+		tempMVPs.push_back(getMVPMatrix(i));
+
+	glBindBuffer(GL_UNIFORM_BUFFER, gluiInstanceBufferID);
+	glBufferSubData(GL_UNIFORM_BUFFER, sizeof(glm::mat4) * vModels.size(), NULL, tempMVPs.data());
+	glBindBuffer(GL_UNIFORM_BUFFER, 0);
 }