| 29 | {} |
| 30 | |
| 31 | GLFWDistribOSPRayWindow::GLFWDistribOSPRayWindow(const vec2i &windowSize, |
| 32 | const box3f &worldBounds, |
| 33 | cpp::World world, |
| 34 | cpp::Renderer renderer) |
| 35 | : windowSize(windowSize), |
| 36 | worldBounds(worldBounds), |
| 37 | world(world), |
| 38 | renderer(renderer) |
| 39 | { |
| 40 | MPI_Comm_rank(MPI_COMM_WORLD, &mpiRank); |
| 41 | MPI_Comm_size(MPI_COMM_WORLD, &mpiWorldSize); |
| 42 | |
| 43 | if (mpiRank == 0) { |
| 44 | if (activeWindow != nullptr) { |
| 45 | throw std::runtime_error( |
| 46 | "Cannot create more than one GLFWDistribOSPRayWindow!"); |
| 47 | } |
| 48 | |
| 49 | activeWindow = this; |
| 50 | |
| 51 | // initialize GLFW |
| 52 | if (!glfwInit()) { |
| 53 | throw std::runtime_error("Failed to initialize GLFW!"); |
| 54 | } |
| 55 | |
| 56 | glfwWindowHint(GLFW_SRGB_CAPABLE, GLFW_TRUE); |
| 57 | glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); |
| 58 | #ifdef __APPLE_ |
| 59 | glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2); |
| 60 | glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); |
| 61 | const char *glslVersion = "#version 150"; |
| 62 | #else |
| 63 | glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0); |
| 64 | const char *glslVersion = "#version 130"; |
| 65 | #endif |
| 66 | |
| 67 | glfwWindow = glfwCreateWindow( |
| 68 | windowSize.x, windowSize.y, "OSPRay Tutorial", NULL, NULL); |
| 69 | |
| 70 | if (!glfwWindow) { |
| 71 | glfwTerminate(); |
| 72 | throw std::runtime_error("Failed to create GLFW window!"); |
| 73 | } |
| 74 | |
| 75 | // make the window's context current |
| 76 | glfwMakeContextCurrent(glfwWindow); |
| 77 | |
| 78 | // Setup Dear ImGui context |
| 79 | IMGUI_CHECKVERSION(); |
| 80 | ImGui::CreateContext(); |
| 81 | ImGuiIO &io = ImGui::GetIO(); |
| 82 | io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; |
| 83 | |
| 84 | ImGui_ImplGlfw_InitForOpenGL(glfwWindow, false); |
| 85 | |
| 86 | // set GLFW callbacks |
| 87 | glfwSetFramebufferSizeCallback( |
| 88 | glfwWindow, [](GLFWwindow *, int newWidth, int newHeight) { |