void ImGui_ImplGlfwGL3_NewFrame()
{
if (!g_FontTexture)
ImGui_ImplGlfwGL3_CreateDeviceObjects();
ImGuiIO& io = ImGui::GetIO();
// Setup display size (every frame to accommodate for window resizing)
int w, h;
int display_w, display_h;
glfwGetWindowSize(g_Window, &w, &h);
glfwGetFramebufferSize(g_Window, &display_w, &display_h);
io.DisplaySize = ImVec2((float)w, (float)h);
io.DisplayFramebufferScale = ImVec2(w > 0 ? ((float)display_w / w) : 0, h > 0 ? ((float)display_h / h) : 0);
// Setup time step
double current_time = glfwGetTime();
io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f);
g_Time = current_time;
// Setup inputs
// (we already got mouse wheel, keyboard keys & characters from glfw callbacks polled in glfwPollEvents())
if (glfwGetWindowAttrib(g_Window, GLFW_FOCUSED))
{
double mouse_x, mouse_y;
glfwGetCursorPos(g_Window, &mouse_x, &mouse_y);
io.MousePos = ImVec2((float)mouse_x, (float)mouse_y); // Mouse position in screen coordinates (set to -1,-1 if no mouse / on another screen, etc.)
}
else
{
io.MousePos = ImVec2(-1,-1);
}
for (int i = 0; i < 3; i++)
{
io.MouseDown[i] = g_MousePressed[i] || glfwGetMouseButton(g_Window, i) != 0; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame.
g_MousePressed[i] = false;
}
io.MouseWheel = g_MouseWheel;
g_MouseWheel = 0.0f;
// Hide OS mouse cursor if ImGui is drawing it
glfwSetInputMode(g_Window, GLFW_CURSOR, io.MouseDrawCursor ? GLFW_CURSOR_HIDDEN : GLFW_CURSOR_NORMAL);
// Start the frame
ImGui::NewFrame();
}
void AppMain() {
if(!glfwInit())
throw std::runtime_error("glfwInit failed");
// open a window with GLFW
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
glfwWindowHint(GLFW_RESIZABLE, GL_TRUE);
window = glfwCreateWindow((int)SCREEN_SIZE.x, (int)SCREEN_SIZE.y, "test window",NULL, NULL);
if(!window)
throw std::runtime_error("glfwOpenWindow failed. Can your hardware handle OpenGL 4.2?");
// GLFW settings
glfwMakeContextCurrent(window);
// initialise GLEW
glewExperimental = GL_TRUE; //stops glew crashing on OSX :-/
if(glewInit() != GLEW_OK)
throw std::runtime_error("glewInit failed");
// print out some info about the graphics drivers
std::cout << "OpenGL version: " << glGetString(GL_VERSION) << std::endl;
std::cout << "GLSL version: " << glGetString(GL_SHADING_LANGUAGE_VERSION) << std::endl;
std::cout << "Vendor: " << glGetString(GL_VENDOR) << std::endl;
std::cout << "Renderer: " << glGetString(GL_RENDERER) << std::endl;
// make sure OpenGL version 3.2 API is available
if(!GLEW_VERSION_4_2)
throw std::runtime_error("OpenGL 4.2 API is not available.");
// create buffer and fill it with the points of the triangle
LoadTriangle();
// run while the window is open
while(glfwGetWindowAttrib(window,GLFW_FOCUSED)){
// process pending events
glfwPollEvents();
// draw one frame
Render();
}
// clean up and exit
glfwTerminate();
}
void _keypressCallback(int rawKey, int scanCode, int state, int mods) {
if (!glfwGetWindowAttrib(this->_window, GLFW_FOCUSED) && !this->GetFullscreen()) {
return;
}
std::string key = glfwGetKeyName(rawKey);
if (rawKey == -1) { // On OSX -1 is the function key and should be ignored
return;
}
Json::Value val(Json::objectValue);
val["rawKey"] = rawKey;
val["key"] = key;
val["rawPress"] = state;
val["state"] = glfwGetKeyStateName(state);
val["shift"] = (mods & GLFW_MOD_SHIFT);
GetEventsSingilton()->GetEvent("rawInput")->Emit(val);
}
static void joystick_callback(int jid, int event)
{
if (event == GLFW_CONNECTED)
joysticks[joystick_count++] = jid;
else if (event == GLFW_DISCONNECTED)
{
int i;
for (i = 0; i < joystick_count; i++)
{
if (joysticks[i] == jid)
break;
}
for (i = i + 1; i < joystick_count; i++)
joysticks[i - 1] = joysticks[i];
joystick_count--;
}
if (!glfwGetWindowAttrib(window, GLFW_FOCUSED))
glfwRequestWindowAttention(window);
}
void Screen::initialize(GLFWwindow *window) {
mGLFWWindow = window;
glfwGetWindowSize(mGLFWWindow, &mSize[0], &mSize[1]);
glfwGetFramebufferSize(mGLFWWindow, &mFBSize[0], &mFBSize[1]);
#ifdef NDEBUG
mNVGContext = nvgCreateGL3(NVG_STENCIL_STROKES | NVG_ANTIALIAS);
#else
mNVGContext = nvgCreateGL3(NVG_STENCIL_STROKES | NVG_ANTIALIAS | NVG_DEBUG);
#endif
mVisible = glfwGetWindowAttrib(window, GLFW_VISIBLE) != 0;
mTheme = new Theme(mNVGContext);
mMousePos = Vector2i::Zero();
mMouseState = mModifiers = 0;
mDragActive = false;
mLastInteraction = glfwGetTime();
mProcessEvents = true;
mBackground = Vector3f(0.3f, 0.3f, 0.32f);
__nanogui_screens[mGLFWWindow] = this;
for (int i=0; i < (int) Cursor::CursorCount; ++i)
mCursors[i] = glfwCreateStandardCursor(GLFW_ARROW_CURSOR + i);
}
bool j_is_window_open(J_Context_Shared_t i_context){
return glfwGetWindowAttrib(i_context->M_window, GLFW_VISIBLE);
}
bool CWindow::IsFocused() const
{
return glfwGetWindowAttrib(WindowHandle, GLFW_FOCUSED) != 0;
}
bool IsFocused() override {
assert(this->_window != NULL);
return glfwGetWindowAttrib(this->_window, GLFW_FOCUSED);
}
bool Window::IsVisible() const {
return glfwGetWindowAttrib(window, GLFW_VISIBLE) == GL_TRUE;
}
bool Window::IsFocused() const {
return glfwGetWindowAttrib(window, GLFW_FOCUSED) == GL_TRUE;
}
int kit::Window::getGLFWAttribute(int attribute)
{
return glfwGetWindowAttrib(this->m_glfwHandle, attribute);
}
int main(int argc, char** argv)
{
int ch, i, window_count;
int auto_iconify = GLFW_TRUE, fullscreen = GLFW_FALSE, all_monitors = GLFW_FALSE;
GLFWwindow** windows;
while ((ch = getopt(argc, argv, "afhn")) != -1)
{
switch (ch)
{
case 'a':
all_monitors = GLFW_TRUE;
break;
case 'h':
usage();
exit(EXIT_SUCCESS);
case 'f':
fullscreen = GLFW_TRUE;
break;
case 'n':
auto_iconify = GLFW_FALSE;
break;
default:
usage();
exit(EXIT_FAILURE);
}
}
glfwSetErrorCallback(error_callback);
if (!glfwInit())
exit(EXIT_FAILURE);
glfwWindowHint(GLFW_AUTO_ICONIFY, auto_iconify);
if (fullscreen && all_monitors)
{
int monitor_count;
GLFWmonitor** monitors = glfwGetMonitors(&monitor_count);
window_count = monitor_count;
windows = calloc(window_count, sizeof(GLFWwindow*));
for (i = 0; i < monitor_count; i++)
{
windows[i] = create_window(monitors[i]);
if (!windows[i])
break;
}
}
else
{
GLFWmonitor* monitor = NULL;
if (fullscreen)
monitor = glfwGetPrimaryMonitor();
window_count = 1;
windows = calloc(window_count, sizeof(GLFWwindow*));
windows[0] = create_window(monitor);
}
for (i = 0; i < window_count; i++)
{
glfwSetKeyCallback(windows[i], key_callback);
glfwSetFramebufferSizeCallback(windows[i], framebuffer_size_callback);
glfwSetWindowSizeCallback(windows[i], window_size_callback);
glfwSetWindowFocusCallback(windows[i], window_focus_callback);
glfwSetWindowIconifyCallback(windows[i], window_iconify_callback);
glfwSetWindowRefreshCallback(windows[i], window_refresh_callback);
window_refresh_callback(windows[i]);
printf("Window is %s and %s\n",
glfwGetWindowAttrib(windows[i], GLFW_ICONIFIED) ? "iconified" : "restored",
glfwGetWindowAttrib(windows[i], GLFW_FOCUSED) ? "focused" : "defocused");
}
for (;;)
{
glfwWaitEvents();
for (i = 0; i < window_count; i++)
{
if (glfwWindowShouldClose(windows[i]))
break;
}
if (i < window_count)
break;
// Workaround for an issue with msvcrt and mintty
fflush(stdout);
}
glfwTerminate();
exit(EXIT_SUCCESS);
}
int main()
{
GLFWwindow *window;
char *userptr = "userptr";
glfwSetErrorCallback(errorcb);
assert(glfwInit() == GL_TRUE);
assert(!strcmp(glfwGetVersionString(), "3.2.1 JS WebGL Emscripten"));
assert(glfwGetCurrentContext() == NULL);
{
int major, minor, rev;
glfwGetVersion(&major, &minor, &rev);
assert(major == 3);
assert(minor == 2);
assert(rev == 1);
}
{
int count, x, y, w, h;
GLFWmonitor **monitors = glfwGetMonitors(&count);
assert(count == 1);
for (int i = 0; i < count; ++i) {
assert(monitors[i] != NULL);
}
assert(glfwGetPrimaryMonitor() != NULL);
glfwGetMonitorPos(monitors[0], &x, &y);
glfwGetMonitorPhysicalSize(monitors[0], &w, &h);
assert(glfwGetMonitorName(monitors[0]) != NULL);
glfwSetMonitorCallback(monitcb);
// XXX: not implemented
// assert(glfwGetVideoModes(monitors[0], &count) != NULL);
// assert(glfwGetVideoMode(monitors[0]) != NULL);
// glfwSetGamma(monitors[0], 1.0f);
// assert(glfwGetGammaRamp(monitors[0]) != NULL);
// glfwSetGammaRamp(monitors[0], ramp);
}
{
int x, y, w, h;
glfwDefaultWindowHints();
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API);
window = glfwCreateWindow(640, 480, "glfw3.c", NULL, NULL);
assert(window != NULL);
glfwSetWindowPosCallback(window, wposicb);
glfwSetWindowSizeCallback(window, wsizecb);
glfwSetWindowCloseCallback(window, wcloscb);
glfwSetWindowRefreshCallback(window, wrfrscb);
glfwSetWindowFocusCallback(window, wfocucb);
glfwSetWindowIconifyCallback(window, wiconcb);
glfwSetFramebufferSizeCallback(window, wfsizcb);
assert(glfwWindowShouldClose(window) == 0);
glfwSetWindowShouldClose(window, 1);
assert(glfwWindowShouldClose(window) == 1);
glfwSetWindowTitle(window, "test");
glfwSetWindowTitle(window, "glfw3.c");
// XXX: not implemented
// glfwSetWindowPos(window, 1, 1);
glfwGetWindowPos(window, &x, &y); // stub
glfwGetWindowSize(window, &w, &h);
assert(w == 640 && h == 480);
glfwSetWindowSize(window, 1, 1);
glfwGetWindowSize(window, &w, &h);
assert(w == 1 && h == 1);
glfwSetWindowSize(window, 640, 480);
glfwGetFramebufferSize(window, &w, &h);
// XXX: not implemented
// glfwIconifyWindow(window);
// glfwRestoreWindow(window);
// glfwShowWindow(window);
// glfwHideWindow(window);
assert(glfwGetWindowMonitor(window) == NULL);
glfwDestroyWindow(window);
window = glfwCreateWindow(640, 480, "glfw3.c", glfwGetPrimaryMonitor(), NULL);
assert(window != NULL);
assert(glfwGetWindowMonitor(window) == glfwGetPrimaryMonitor());
glfwDestroyWindow(window);
window = glfwCreateWindow(640, 480, "glfw3.c", NULL, NULL);
assert(window != NULL);
assert(glfwGetWindowAttrib(window, GLFW_CLIENT_API) == GLFW_OPENGL_ES_API);
assert(glfwGetWindowUserPointer(window) == NULL);
glfwSetWindowUserPointer(window, userptr);
assert(glfwGetWindowUserPointer(window) == userptr);
}
{
double x, y;
glfwSetKeyCallback(window, wkeypcb);
glfwSetCharCallback(window, wcharcb);
glfwSetMouseButtonCallback(window, wmbutcb);
glfwSetCursorPosCallback(window, wcurpcb);
glfwSetCursorEnterCallback(window, wcurecb);
glfwSetScrollCallback(window, wscrocb);
// XXX: stub, events come immediatly
// glfwPollEvents();
// glfwWaitEvents();
assert(glfwGetInputMode(window, GLFW_CURSOR) == GLFW_CURSOR_NORMAL);
// XXX: not implemented
// glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_HIDDEN);
glfwGetKey(window, GLFW_KEY_A);
glfwGetMouseButton(window, 0);
glfwGetCursorPos(window, &x, &y);
// XXX: not implemented
// glfwSetCursorPos(window, 0, 0);
}
{
// XXX: not implemented
// glfwJoystickPresent(joy);
// glfwGetJoystickAxes(joy, &count);
// glfwGetJoystickButtons(joy, &count);
// glfwGetJoystickName(joy);
}
{
// XXX: not implemented
// glfwSetClipboardString(window, "string");
// glfwGetClipboardString(window);
}
{
glfwGetTime();
glfwSetTime(0);
}
{
glfwMakeContextCurrent(window); // stub
assert(glfwGetCurrentContext() == window);
glfwSwapBuffers(window); // stub
glfwSwapInterval(0); // stub
}
{
assert(glfwExtensionSupported("nonexistant") == 0);
assert(glfwGetProcAddress("nonexistant") == NULL);
}
glfwTerminate();
#ifdef REPORT_RESULT
REPORT_RESULT(1);
#endif
return 0;
}
int main(int argc, char** argv)
{
int ch, api = 0, profile = 0, strategy = 0, major = 1, minor = 0, revision;
GLboolean debug = GL_FALSE, forward = GL_FALSE, list = GL_FALSE;
GLint flags, mask;
GLFWwindow* window;
if (!valid_version())
exit(EXIT_FAILURE);
while ((ch = getopt(argc, argv, "a:dfhlm:n:p:r:")) != -1)
{
switch (ch)
{
case 'a':
if (strcasecmp(optarg, API_OPENGL) == 0)
api = GLFW_OPENGL_API;
else if (strcasecmp(optarg, API_OPENGL_ES) == 0)
api = GLFW_OPENGL_ES_API;
else
{
usage();
exit(EXIT_FAILURE);
}
case 'd':
debug = GL_TRUE;
break;
case 'f':
forward = GL_TRUE;
break;
case 'h':
usage();
exit(EXIT_SUCCESS);
case 'l':
list = GL_TRUE;
break;
case 'm':
major = atoi(optarg);
break;
case 'n':
minor = atoi(optarg);
break;
case 'p':
if (strcasecmp(optarg, PROFILE_NAME_CORE) == 0)
profile = GLFW_OPENGL_CORE_PROFILE;
else if (strcasecmp(optarg, PROFILE_NAME_COMPAT) == 0)
profile = GLFW_OPENGL_COMPAT_PROFILE;
else
{
usage();
exit(EXIT_FAILURE);
}
break;
case 'r':
if (strcasecmp(optarg, STRATEGY_NAME_NONE) == 0)
strategy = GLFW_NO_RESET_NOTIFICATION;
else if (strcasecmp(optarg, STRATEGY_NAME_LOSE) == 0)
strategy = GLFW_LOSE_CONTEXT_ON_RESET;
else
{
usage();
exit(EXIT_FAILURE);
}
break;
default:
usage();
exit(EXIT_FAILURE);
}
}
argc -= optind;
argv += optind;
// Initialize GLFW and create window
glfwSetErrorCallback(error_callback, NULL);
if (!glfwInit())
exit(EXIT_FAILURE);
if (major != 1 || minor != 0)
{
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, major);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, minor);
}
if (api != 0)
glfwWindowHint(GLFW_CLIENT_API, api);
if (debug)
glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GL_TRUE);
if (forward)
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
if (profile != 0)
glfwWindowHint(GLFW_OPENGL_PROFILE, profile);
if (strategy)
glfwWindowHint(GLFW_CONTEXT_ROBUSTNESS, strategy);
glfwWindowHint(GLFW_VISIBLE, GL_FALSE);
window = glfwCreateWindow(200, 200, "Version", NULL, NULL);
if (!window)
{
glfwTerminate();
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window);
// Report client API version
api = glfwGetWindowAttrib(window, GLFW_CLIENT_API);
major = glfwGetWindowAttrib(window, GLFW_CONTEXT_VERSION_MAJOR);
minor = glfwGetWindowAttrib(window, GLFW_CONTEXT_VERSION_MINOR);
revision = glfwGetWindowAttrib(window, GLFW_CONTEXT_REVISION);
printf("%s context version string: \"%s\"\n",
get_client_api_name(api),
glGetString(GL_VERSION));
printf("%s context version parsed by GLFW: %u.%u.%u\n",
get_client_api_name(api),
major, minor, revision);
// Report client API context properties
if (api == GLFW_OPENGL_API)
{
if (major >= 3)
{
glGetIntegerv(GL_CONTEXT_FLAGS, &flags);
printf("%s context flags (0x%08x):", get_client_api_name(api), flags);
if (flags & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT)
printf(" forward-compatible");
if (flags & GL_CONTEXT_FLAG_DEBUG_BIT)
printf(" debug");
if (flags & GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT_ARB)
printf(" robustness");
putchar('\n');
printf("%s context flags parsed by GLFW:", get_client_api_name(api));
if (glfwGetWindowAttrib(window, GLFW_OPENGL_FORWARD_COMPAT))
printf(" forward-compatible");
if (glfwGetWindowAttrib(window, GLFW_OPENGL_DEBUG_CONTEXT))
printf(" debug");
if (glfwGetWindowAttrib(window, GLFW_CONTEXT_ROBUSTNESS) != GLFW_NO_ROBUSTNESS)
printf(" robustness");
putchar('\n');
}
if (major > 3 || (major == 3 && minor >= 2))
{
int profile = glfwGetWindowAttrib(window, GLFW_OPENGL_PROFILE);
glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &mask);
printf("%s profile mask (0x%08x): %s\n",
get_client_api_name(api),
mask,
get_profile_name_gl(mask));
printf("%s profile mask parsed by GLFW: %s\n",
get_client_api_name(api),
get_profile_name_glfw(profile));
}
if (glfwExtensionSupported("GL_ARB_robustness"))
{
int robustness;
GLint strategy;
glGetIntegerv(GL_RESET_NOTIFICATION_STRATEGY_ARB, &strategy);
printf("%s robustness strategy (0x%08x): %s\n",
get_client_api_name(api),
strategy,
get_strategy_name_gl(strategy));
robustness = glfwGetWindowAttrib(window, GLFW_CONTEXT_ROBUSTNESS);
printf("%s robustness strategy parsed by GLFW: %s\n",
get_client_api_name(api),
get_strategy_name_glfw(robustness));
}
}
printf("%s context renderer string: \"%s\"\n",
get_client_api_name(api),
glGetString(GL_RENDERER));
printf("%s context vendor string: \"%s\"\n",
get_client_api_name(api),
glGetString(GL_VENDOR));
if (major > 1)
{
printf("%s context shading language version: \"%s\"\n",
get_client_api_name(api),
glGetString(GL_SHADING_LANGUAGE_VERSION));
}
// Report client API extensions
if (list)
list_extensions(api, major, minor);
glfwTerminate();
exit(EXIT_SUCCESS);
}
bool Screen::isFocused()
{
glfwPollEvents();
return glfwGetWindowAttrib(_winHandle, GLFW_FOCUSED) != 0;
}
bool Window::has_focus() const
{
return glfwGetWindowAttrib(this->_window, GLFW_FOCUSED) == 1;
}
void ImGui_ImplGlfwGL3_NewFrame()
{
if (!g_FontTexture)
ImGui_ImplGlfwGL3_CreateDeviceObjects();
ImGuiIO& io = ImGui::GetIO();
// Setup display size (every frame to accommodate for window resizing)
int w, h;
int display_w, display_h;
glfwGetWindowSize(g_Window, &w, &h);
glfwGetFramebufferSize(g_Window, &display_w, &display_h);
io.DisplaySize = ImVec2((float)w, (float)h);
io.DisplayFramebufferScale = ImVec2(w > 0 ? ((float)display_w / w) : 0, h > 0 ? ((float)display_h / h) : 0);
// Setup time step
double current_time = glfwGetTime();
io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f);
g_Time = current_time;
// Setup inputs
// (we already got mouse wheel, keyboard keys & characters from glfw callbacks polled in glfwPollEvents())
if (glfwGetWindowAttrib(g_Window, GLFW_FOCUSED))
{
// Set OS mouse position if requested (only used when ImGuiConfigFlags_NavEnableSetMousePos is enabled by user)
if (io.WantSetMousePos)
{
glfwSetCursorPos(g_Window, (double)io.MousePos.x, (double)io.MousePos.y);
}
else
{
double mouse_x, mouse_y;
glfwGetCursorPos(g_Window, &mouse_x, &mouse_y);
io.MousePos = ImVec2((float)mouse_x, (float)mouse_y);
}
}
else
{
io.MousePos = ImVec2(-FLT_MAX,-FLT_MAX);
}
for (int i = 0; i < 3; i++)
{
// If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame.
io.MouseDown[i] = g_MouseJustPressed[i] || glfwGetMouseButton(g_Window, i) != 0;
g_MouseJustPressed[i] = false;
}
// Update OS/hardware mouse cursor if imgui isn't drawing a software cursor
if ((io.ConfigFlags & ImGuiConfigFlags_NoSetMouseCursor) == 0 && glfwGetInputMode(g_Window, GLFW_CURSOR) != GLFW_CURSOR_DISABLED)
{
ImGuiMouseCursor cursor = ImGui::GetMouseCursor();
if (io.MouseDrawCursor || cursor == ImGuiMouseCursor_None)
{
glfwSetInputMode(g_Window, GLFW_CURSOR, GLFW_CURSOR_HIDDEN);
}
else
{
glfwSetCursor(g_Window, g_MouseCursors[cursor] ? g_MouseCursors[cursor] : g_MouseCursors[ImGuiMouseCursor_Arrow]);
glfwSetInputMode(g_Window, GLFW_CURSOR, GLFW_CURSOR_NORMAL);
}
}
// Gamepad navigation mapping [BETA]
memset(io.NavInputs, 0, sizeof(io.NavInputs));
if (io.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad)
{
// Update gamepad inputs
#define MAP_BUTTON(NAV_NO, BUTTON_NO) { if (buttons_count > BUTTON_NO && buttons[BUTTON_NO] == GLFW_PRESS) io.NavInputs[NAV_NO] = 1.0f; }
#define MAP_ANALOG(NAV_NO, AXIS_NO, V0, V1) { float v = (axes_count > AXIS_NO) ? axes[AXIS_NO] : V0; v = (v - V0) / (V1 - V0); if (v > 1.0f) v = 1.0f; if (io.NavInputs[NAV_NO] < v) io.NavInputs[NAV_NO] = v; }
int axes_count = 0, buttons_count = 0;
const float* axes = glfwGetJoystickAxes(GLFW_JOYSTICK_1, &axes_count);
const unsigned char* buttons = glfwGetJoystickButtons(GLFW_JOYSTICK_1, &buttons_count);
MAP_BUTTON(ImGuiNavInput_Activate, 0); // Cross / A
MAP_BUTTON(ImGuiNavInput_Cancel, 1); // Circle / B
MAP_BUTTON(ImGuiNavInput_Menu, 2); // Square / X
MAP_BUTTON(ImGuiNavInput_Input, 3); // Triangle / Y
MAP_BUTTON(ImGuiNavInput_DpadLeft, 13); // D-Pad Left
MAP_BUTTON(ImGuiNavInput_DpadRight, 11); // D-Pad Right
MAP_BUTTON(ImGuiNavInput_DpadUp, 10); // D-Pad Up
MAP_BUTTON(ImGuiNavInput_DpadDown, 12); // D-Pad Down
MAP_BUTTON(ImGuiNavInput_FocusPrev, 4); // L1 / LB
MAP_BUTTON(ImGuiNavInput_FocusNext, 5); // R1 / RB
MAP_BUTTON(ImGuiNavInput_TweakSlow, 4); // L1 / LB
MAP_BUTTON(ImGuiNavInput_TweakFast, 5); // R1 / RB
MAP_ANALOG(ImGuiNavInput_LStickLeft, 0, -0.3f, -0.9f);
MAP_ANALOG(ImGuiNavInput_LStickRight,0, +0.3f, +0.9f);
MAP_ANALOG(ImGuiNavInput_LStickUp, 1, +0.3f, +0.9f);
MAP_ANALOG(ImGuiNavInput_LStickDown, 1, -0.3f, -0.9f);
#undef MAP_BUTTON
#undef MAP_ANALOG
if (axes_count > 0 && buttons_count > 0)
io.BackendFlags |= ImGuiBackendFlags_HasGamepad;
else
io.BackendFlags &= ~ImGuiBackendFlags_HasGamepad;
}
// Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application.
ImGui::NewFrame();
}
void CanvasGLFW::hide() {
if (glfwGetWindowAttrib(glWindow_, GLFW_VISIBLE)) {
glfwWindowCount_--;
glfwHideWindow(glWindow_);
}
}
Engine::Engine( uint major, uint minor ) : width(1024), height(768)
{
///////////////////////////////////////////////////////////////////////////
// Initiate the opengl context and try to get an opengl context. Then //
// initialise the scene. //
///////////////////////////////////////////////////////////////////////////
if ( !glfwInit() )
exit( EXIT_FAILURE );
glfwWindowHint( GLFW_CONTEXT_VERSION_MAJOR, major );
glfwWindowHint( GLFW_CONTEXT_VERSION_MINOR, minor );
glfwWindowHint( GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE );
glfwWindowHint( GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE );
glfwWindowHint( GLFW_OPENGL_DEBUG_CONTEXT, GL_TRUE );
window = glfwCreateWindow( width, height,
"GLFW Application", nullptr, nullptr );
if ( !window )
{
glfwTerminate();
std::cerr << "Could not create window";
exit( EXIT_FAILURE );
}
glfwMakeContextCurrent( window );
std::cout << "\nOpenGL Version: "
<< glfwGetWindowAttrib( window, GLFW_CONTEXT_VERSION_MAJOR ) << "."
<< glfwGetWindowAttrib( window, GLFW_CONTEXT_VERSION_MINOR ) << "."
<< glfwGetWindowAttrib( window, GLFW_CONTEXT_REVISION ) << "\n";
// start GLEW extension handler
glewExperimental = GL_TRUE;
GLenum err = glewInit();
glGetError(); // flush an non existent error
if ( GLEW_OK | err )
{
std::cerr << "Error: " << glewGetErrorString( err ) << std::endl;
}
else
{
if ( glewIsSupported( "GL_VERSION_4_5" ) )
{
std::cout << "Driver supports OpenGL 4.5\nDetails:" << std::endl;
}
else if ( glewIsSupported( "GL_VERSION_4_3" ) )
{
std::cout << "Driver supports OpenGL 4.3\nDetails:" << std::endl;
}
else if ( glewIsSupported( "GL_VERSION_4_0" ) )
{
std::cout << "Driver supports OpenGL 4.0\nDetails:" << std::endl;
}
else if ( glewIsSupported( "GL_VERSION_3_3" ) )
{
std::cout << "Driver supports OpenGL 3.3\nDetails:" << std::endl;
}
else if ( glewIsSupported( "GL_VERSION_3_2" ) )
{
std::cout << "Driver supports OpenGL 3.2\nDetails:" << std::endl;
}
else if ( glewIsSupported( "GL_VERSION_3_1" ) )
{
std::cout << "Driver supports OpenGL 3.1\nDetails:" << std::endl;
}
}
std::cout << "\tUsing glew " << glewGetString( GLEW_VERSION ) << std::endl;
std::cout << "\tVendor: " << glGetString( GL_VENDOR ) << std::endl;
std::cout << "\tRenderer: " << glGetString( GL_RENDERER ) << std::endl;
std::cout << "\tVersion: " << glGetString( GL_VERSION ) << std::endl;
std::cout << "\tGLSL: " << glGetString( GL_SHADING_LANGUAGE_VERSION )
<< std::endl;
glfwSwapInterval( 2 );
glfwSetErrorCallback( errorCallback );
glfwSetKeyCallback( window, key_callback );
glfwSetScrollCallback( window, scroll_callback );
glfwSetMouseButtonCallback( window, mousebutton_callback );
glfwSetCursorPosCallback( window, mousemotion_callback );
glfwSetFramebufferSizeCallback( window, resizeCallback );
mouseLook = false;
geo = Geometry::getInstance();
txt = Texture::getInstance();
cam = new Camera( glm::vec3( 0.0f, 2.0f, 10.0f ), width, height );
lights = Lights::getInstance();
eng = this;
}
bool Application::GetWindowFocusStatus()
{
return glfwGetWindowAttrib(m_window, GLFW_FOCUSED);
}
Runner::Runner(float windowWidth, float windowHeight, int frameRate,const char* title,BaseCore* c){
Runner::windowWidth = windowWidth;
Runner::windowHeight = windowHeight;
//assign the core to the pointer
this->c = c;
//sets the event call back method in basecore
//set the error method in basecore
glfwSetErrorCallback(errorCallback);
//if it fails then exit
if (!glfwInit()){
exit(EXIT_FAILURE);
}
//stop the window from being resizeable
glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
//create the window using the height and stuff
c->getWindow() = glfwCreateWindow(windowWidth, windowHeight, title, NULL, NULL);
GLFWwindow* window = c->getWindow();
//set a userpointer for the window to this version of Runner
glfwSetWindowUserPointer(window, this);
//set the key_callback method
glfwSetKeyCallback(window, keyCallback);
//set mousepressed callback
glfwSetMouseButtonCallback(window, mouseCallback);
//set cursor call back
glfwSetCursorPosCallback(window, cursorCallback);
//if the window is dead, stop the program
if (!window)
{
glfwTerminate();
exit(EXIT_FAILURE);
}
//sets the context to the window
glfwMakeContextCurrent(window);
//sets the intervals of buffer swaps
glfwSwapInterval(1);
//call setup for first time run
c->setup();
//the game loop
while (!glfwWindowShouldClose(window))
{
int iconified = glfwGetWindowAttrib(window, GLFW_ICONIFIED);
int focused = glfwGetWindowAttrib(window, GLFW_FOCUSED);
if(iconified || !focused){
glfwWaitEvents();
}
if(fps(frameRate)){
continue;
}
glClearColor(r, g, b, a);
int width, height;
//this allows GLtransparancy
glEnable (GL_BLEND);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
//set view port, allows pixeltopixel things
glfwGetFramebufferSize(window, &width, &height);
glViewport(0, 0, width, height);
//clear the buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
//set the ortho to pixels so it can be used like processing
glOrtho(0.f, windowWidth, windowHeight, 0.f, -1.f, 1.f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
//call update and then draw if the window isn't iconified
if(!iconified && focused){
//draw
c->draw();
}
//swap the buffers
glfwSwapBuffers(window);
if(!iconified && focused){
c->update();
}
glfwPollEvents();
}
glfwDestroyWindow(window);
glfwTerminate();
exit(EXIT_SUCCESS);
}
bool Engine::init(int width, int height, bool fullscreen)
{
glfwInit();
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
//int fs = fullscreen ? GLFW_FULLSCREEN : GLFW_WINDOW;
window = glfwCreateWindow(width, height, "Facial", NULL, NULL);
windowSize = ivec2(width, height);
/*
if(!glfwOpenWindow( width,
height,
R_BPP, G_BPP, B_BPP, A_BPP,
DEPTH_BPP, STENCIL_BPP,
fs))
*/
if(!window)
{
logError("could not create GLFW-window");
return false;
}
/* Make the window's context current */
glfwMakeContextCurrent(window);
glfwSetKeyCallback(window, Engine::keyCallback);
glfwSetMouseButtonCallback(window, Engine::mouseButtonCallback);
glfwSetCursorPosCallback(window, Engine::cursorPosCallback);
glfwSetScrollCallback(window, scrollCallback);
logErrorsGL();
//#ifndef __APPLE__
glewExperimental = GL_TRUE;
if (GLEW_OK != glewInit())
{
logError("GLEW init error");
return false;
}
//#endif
logErrorsGL();
logNote("Successfully created OpenGL-window, version %i.%i",
glfwGetWindowAttrib(window, GLFW_CONTEXT_VERSION_MAJOR),
glfwGetWindowAttrib(window, GLFW_CONTEXT_VERSION_MINOR));
logNote("GLSL-version: %s",glGetString(GL_SHADING_LANGUAGE_VERSION));
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
glfwSwapInterval(0);
return true;
}
// program entry
int32_t main(int32_t argc, char *argv[])
{
GLFWwindow* window;
int32_t width, height;
NvAssetLoaderInit(NULL);
sWindowIsFocused = true;
sForcedRenderCount = 0;
if( !glfwInit() )
{
fprintf( stderr, "Failed to initialize GLFW\n" );
exit( EXIT_FAILURE );
}
glfwSetErrorCallback(glfwError);
NvLinuxPlatformContext* platform = new NvLinuxPlatformContext;
// add command line arguments
for (int i = 1; i < argc; i++) {
platform->m_commandLine.push_back(argv[i]);
}
sApp = NvAppFactory(platform);
NvEGLConfiguration config(NvGfxAPIVersionGL4(), 8, 8, 8, 8, 16, 0);
sApp->configurationCallback(config);
// Does not seem to work...
/*
if (config.api == GLAppContext::Configuration::API_ES)
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, config.majVer);
//glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GL_TRUE);
*/
NvGLLinuxAppContext* context = new NvGLLinuxAppContext(config);
window = glfwCreateWindow( 1280, 720, "Linux SDK Application", NULL, NULL );
if (!window)
{
fprintf( stderr, "Failed to open GLFW window\n" );
glfwTerminate();
exit( EXIT_FAILURE );
}
platform->setWindow(window);
context->setWindow(window);
sApp->setGLContext(context);
// Set callback functions
glfwSetFramebufferSizeCallback(window, reshape);
glfwSetWindowFocusCallback(window, focus);
setInputCallbacksGLFW(window);
context->bindContext();
glfwSwapInterval( 1 );
glfwGetFramebufferSize(window, &width, &height);
int32_t major = glfwGetWindowAttrib(window, GLFW_CONTEXT_VERSION_MAJOR);
int32_t minor = glfwGetWindowAttrib(window, GLFW_CONTEXT_VERSION_MINOR);
config.apiVer = NvGfxAPIVersion(NvGfxAPI::GL, major, minor);
glGetIntegerv(GL_RED_BITS, (GLint*)&config.redBits);
glGetIntegerv(GL_GREEN_BITS, (GLint*)&config.greenBits);
glGetIntegerv(GL_BLUE_BITS, (GLint*)&config.blueBits);
glGetIntegerv(GL_ALPHA_BITS, (GLint*)&config.alphaBits);
glGetIntegerv(GL_DEPTH_BITS, (GLint*)&config.depthBits);
glGetIntegerv(GL_STENCIL_BITS, (GLint*)&config.stencilBits);
context->setConfiguration(config);
#if 1
// get extensions (need for ES2.0)
GLenum err = glewInit();
if (GLEW_OK != err)
{
/* Problem: glewInit failed, something is seriously wrong. */
fprintf(stderr, "Error: %s\n", glewGetErrorString(err));
exit(-1);
}
fprintf(stdout, "Using GLEW %s\n", glewGetString(GLEW_VERSION));
#endif
// Parse command-line options
initGL(argc, argv);
reshape(window, width, height);
sApp->mainLoop();
// Shut down the app before shutting down GL
delete sApp;
// Terminate GLFW
glfwTerminate();
NvAssetLoaderShutdown();
// Exit program
exit( EXIT_SUCCESS );
}
bool Graphics::GetMaximized()
{
if (!window2_)
return false;
return glfwGetWindowAttrib(window2_,GLFW_MAXIMIZED)==GLFW_TRUE;
}
int main(int argc, char** argv)
{
if(argc != 2) {
std::cout << "Usage:\n\t" << argv[0] << " IMAGE" << std::endl;
return 1;
}
// Setup window
glfwSetErrorCallback(error_callback);
if (!glfwInit())
return 1;
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#if __APPLE__
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
#endif
GLFWwindow* window = glfwCreateWindow(1280, 720, "HBVisionGraphEditor", NULL, NULL);
glfwMakeContextCurrent(window);
gl3wInit();
// Setup ImGui binding
ImGui_ImplGlfwGL3_Init(window, true);
ImVec4 clear_color = ImColor(39, 40, 34);
cv::Mat image = cv::imread(argv[1]);
Solution solution(image);
AlgSimple simple;
Preview preview{solution};
Preview preview2{solution};
while (!glfwWindowShouldClose(window)) {
if(!glfwGetWindowAttrib(window, GLFW_ICONIFIED) && glfwGetWindowAttrib(window, GLFW_VISIBLE)) {
glfwPollEvents();
ImGui_ImplGlfwGL3_NewFrame();
// Settings
ImGui::BeginMainMenuBar();
int menuHeight = ImGui::GetTextLineHeightWithSpacing();
if(ImGui::BeginMenu("File")) {
if(ImGui::MenuItem("Quit")) {
glfwSetWindowShouldClose(window, GL_TRUE);
}
ImGui::EndMenu();
}
ImGui::EndMainMenuBar();
bool open = false;
ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0);
ImGui::SetNextWindowPos(ImVec2(0, menuHeight));
ImGui::SetNextWindowSize(ImVec2(400, ImGui::GetIO().DisplaySize.y - menuHeight));
if (ImGui::Begin("###main", &open, ImVec2(0, 0), 0.5f,
ImGuiWindowFlags_NoTitleBar |
ImGuiWindowFlags_NoResize |
ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoBringToFrontOnFocus |
ImGuiWindowFlags_NoSavedSettings))
{
if (ImGui::TreeNodeEx("Solution", ImGuiTreeNodeFlags_DefaultOpen)) {
solution.draw();
ImGui::TreePop();
}
if (ImGui::TreeNodeEx("Algorithm", ImGuiTreeNodeFlags_DefaultOpen)) {
static int currentAlgorithm = 0;
ImGui::Combo("###AlgorithmCombo", ¤tAlgorithm, "simple\0empty\0\0");
simple.draw();
ImGui::TreePop();
}
ImGui::Spacing();
ImGui::Separator();
ImGui::Spacing();
if (ImGui::Button("Calculate Pattern", ImVec2(ImGui::GetContentRegionAvailWidth(), 20))) {
simple.calculate(solution);
}
}
ImGui::End();
ImGui::PopStyleVar();
// Preview
preview.draw(solution);
preview2.draw(solution);
// Rendering
int display_w, display_h;
glfwGetFramebufferSize(window, &display_w, &display_h);
glViewport(0, 0, display_w, display_h);
glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w);
glClear(GL_COLOR_BUFFER_BIT);
ImGui::Render();
glfwSwapBuffers(window);
} else {
glfwWaitEvents();
}
}
// Cleanup
ImGui_ImplGlfwGL3_Shutdown();
glfwTerminate();
return 0;
}
void ImGui_ImplGlfwGL2_NewFrame()
{
if (!g_FontTexture)
ImGui_ImplGlfwGL2_CreateDeviceObjects();
ImGuiIO& io = ImGui::GetIO();
// Setup display size (every frame to accommodate for window resizing)
int w, h;
int display_w, display_h;
glfwGetWindowSize(g_Window, &w, &h);
glfwGetFramebufferSize(g_Window, &display_w, &display_h);
io.DisplaySize = ImVec2((float)w, (float)h);
io.DisplayFramebufferScale = ImVec2(w > 0 ? ((float)display_w / w) : 0, h > 0 ? ((float)display_h / h) : 0);
// Setup time step
double current_time = glfwGetTime();
io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f);
g_Time = current_time;
// Setup inputs
// (we already got mouse wheel, keyboard keys & characters from glfw callbacks polled in glfwPollEvents())
if (glfwGetWindowAttrib(g_Window, GLFW_FOCUSED))
{
// Set OS mouse position if requested (only used when ImGuiConfigFlags_NavEnableSetMousePos is enabled by user)
if (io.WantSetMousePos)
{
glfwSetCursorPos(g_Window, (double)io.MousePos.x, (double)io.MousePos.y);
}
else
{
double mouse_x, mouse_y;
glfwGetCursorPos(g_Window, &mouse_x, &mouse_y);
io.MousePos = ImVec2((float)mouse_x, (float)mouse_y);
}
}
else
{
io.MousePos = ImVec2(-FLT_MAX,-FLT_MAX);
}
for (int i = 0; i < 3; i++)
{
// If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame.
io.MouseDown[i] = g_MouseJustPressed[i] || glfwGetMouseButton(g_Window, i) != 0;
g_MouseJustPressed[i] = false;
}
// Update OS/hardware mouse cursor if imgui isn't drawing a software cursor
if ((io.ConfigFlags & ImGuiConfigFlags_NoMouseCursorChange) == 0 && glfwGetInputMode(g_Window, GLFW_CURSOR) != GLFW_CURSOR_DISABLED)
{
ImGuiMouseCursor cursor = ImGui::GetMouseCursor();
if (io.MouseDrawCursor || cursor == ImGuiMouseCursor_None)
{
glfwSetInputMode(g_Window, GLFW_CURSOR, GLFW_CURSOR_HIDDEN);
}
else
{
glfwSetCursor(g_Window, g_MouseCursors[cursor] ? g_MouseCursors[cursor] : g_MouseCursors[ImGuiMouseCursor_Arrow]);
glfwSetInputMode(g_Window, GLFW_CURSOR, GLFW_CURSOR_NORMAL);
}
}
// Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application.
ImGui::NewFrame();
}
bool Window::IsDecorated() const {
return glfwGetWindowAttrib(window, GLFW_DECORATED) == GL_TRUE;
}
int main(int argc, char** argv)
{
int ch, client, major, minor, revision, profile;
GLint redbits, greenbits, bluebits, alphabits, depthbits, stencilbits;
int list_extensions = GLFW_FALSE, list_layers = GLFW_FALSE;
GLenum error;
GLFWwindow* window;
enum { CLIENT, CONTEXT, BEHAVIOR, DEBUG, FORWARD, HELP, EXTENSIONS, LAYERS,
MAJOR, MINOR, PROFILE, ROBUSTNESS, VERSION,
REDBITS, GREENBITS, BLUEBITS, ALPHABITS, DEPTHBITS, STENCILBITS,
ACCUMREDBITS, ACCUMGREENBITS, ACCUMBLUEBITS, ACCUMALPHABITS,
AUXBUFFERS, SAMPLES, STEREO, SRGB, SINGLEBUFFER, NOERROR_SRSLY };
const struct option options[] =
{
{ "behavior", 1, NULL, BEHAVIOR },
{ "client-api", 1, NULL, CLIENT },
{ "context-api", 1, NULL, CONTEXT },
{ "debug", 0, NULL, DEBUG },
{ "forward", 0, NULL, FORWARD },
{ "help", 0, NULL, HELP },
{ "list-extensions", 0, NULL, EXTENSIONS },
{ "list-layers", 0, NULL, LAYERS },
{ "major", 1, NULL, MAJOR },
{ "minor", 1, NULL, MINOR },
{ "profile", 1, NULL, PROFILE },
{ "robustness", 1, NULL, ROBUSTNESS },
{ "version", 0, NULL, VERSION },
{ "red-bits", 1, NULL, REDBITS },
{ "green-bits", 1, NULL, GREENBITS },
{ "blue-bits", 1, NULL, BLUEBITS },
{ "alpha-bits", 1, NULL, ALPHABITS },
{ "depth-bits", 1, NULL, DEPTHBITS },
{ "stencil-bits", 1, NULL, STENCILBITS },
{ "accum-red-bits", 1, NULL, ACCUMREDBITS },
{ "accum-green-bits", 1, NULL, ACCUMGREENBITS },
{ "accum-blue-bits", 1, NULL, ACCUMBLUEBITS },
{ "accum-alpha-bits", 1, NULL, ACCUMALPHABITS },
{ "aux-buffers", 1, NULL, AUXBUFFERS },
{ "samples", 1, NULL, SAMPLES },
{ "stereo", 0, NULL, STEREO },
{ "srgb", 0, NULL, SRGB },
{ "singlebuffer", 0, NULL, SINGLEBUFFER },
{ "no-error", 0, NULL, NOERROR_SRSLY },
{ NULL, 0, NULL, 0 }
};
// Initialize GLFW and create window
if (!valid_version())
exit(EXIT_FAILURE);
glfwSetErrorCallback(error_callback);
if (!glfwInit())
exit(EXIT_FAILURE);
while ((ch = getopt_long(argc, argv, "a:b:c:dfhlm:n:p:s:v", options, NULL)) != -1)
{
switch (ch)
{
case 'a':
case CLIENT:
if (strcasecmp(optarg, API_NAME_OPENGL) == 0)
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_API);
else if (strcasecmp(optarg, API_NAME_OPENGL_ES) == 0)
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API);
else
{
usage();
exit(EXIT_FAILURE);
}
break;
case 'b':
case BEHAVIOR:
if (strcasecmp(optarg, BEHAVIOR_NAME_NONE) == 0)
{
glfwWindowHint(GLFW_CONTEXT_RELEASE_BEHAVIOR,
GLFW_RELEASE_BEHAVIOR_NONE);
}
else if (strcasecmp(optarg, BEHAVIOR_NAME_FLUSH) == 0)
{
glfwWindowHint(GLFW_CONTEXT_RELEASE_BEHAVIOR,
GLFW_RELEASE_BEHAVIOR_FLUSH);
}
else
{
usage();
exit(EXIT_FAILURE);
}
break;
case 'c':
case CONTEXT:
if (strcasecmp(optarg, API_NAME_NATIVE) == 0)
glfwWindowHint(GLFW_CONTEXT_CREATION_API, GLFW_NATIVE_CONTEXT_API);
else if (strcasecmp(optarg, API_NAME_EGL) == 0)
glfwWindowHint(GLFW_CONTEXT_CREATION_API, GLFW_EGL_CONTEXT_API);
else
{
usage();
exit(EXIT_FAILURE);
}
break;
case 'd':
case DEBUG:
glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE);
break;
case 'f':
case FORWARD:
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE);
break;
case 'h':
case HELP:
usage();
exit(EXIT_SUCCESS);
case 'l':
case EXTENSIONS:
list_extensions = GLFW_TRUE;
break;
case LAYERS:
list_layers = GLFW_TRUE;
break;
case 'm':
case MAJOR:
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, atoi(optarg));
break;
case 'n':
case MINOR:
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, atoi(optarg));
break;
case 'p':
case PROFILE:
if (strcasecmp(optarg, PROFILE_NAME_CORE) == 0)
{
glfwWindowHint(GLFW_OPENGL_PROFILE,
GLFW_OPENGL_CORE_PROFILE);
}
else if (strcasecmp(optarg, PROFILE_NAME_COMPAT) == 0)
{
glfwWindowHint(GLFW_OPENGL_PROFILE,
GLFW_OPENGL_COMPAT_PROFILE);
}
else
{
usage();
exit(EXIT_FAILURE);
}
break;
case 's':
case ROBUSTNESS:
if (strcasecmp(optarg, STRATEGY_NAME_NONE) == 0)
{
glfwWindowHint(GLFW_CONTEXT_ROBUSTNESS,
GLFW_NO_RESET_NOTIFICATION);
}
else if (strcasecmp(optarg, STRATEGY_NAME_LOSE) == 0)
{
glfwWindowHint(GLFW_CONTEXT_ROBUSTNESS,
GLFW_LOSE_CONTEXT_ON_RESET);
}
else
{
usage();
exit(EXIT_FAILURE);
}
break;
case 'v':
case VERSION:
print_version();
exit(EXIT_SUCCESS);
case REDBITS:
if (strcmp(optarg, "-") == 0)
glfwWindowHint(GLFW_RED_BITS, GLFW_DONT_CARE);
else
glfwWindowHint(GLFW_RED_BITS, atoi(optarg));
break;
case GREENBITS:
if (strcmp(optarg, "-") == 0)
glfwWindowHint(GLFW_GREEN_BITS, GLFW_DONT_CARE);
else
glfwWindowHint(GLFW_GREEN_BITS, atoi(optarg));
break;
case BLUEBITS:
if (strcmp(optarg, "-") == 0)
glfwWindowHint(GLFW_BLUE_BITS, GLFW_DONT_CARE);
else
glfwWindowHint(GLFW_BLUE_BITS, atoi(optarg));
break;
case ALPHABITS:
if (strcmp(optarg, "-") == 0)
glfwWindowHint(GLFW_ALPHA_BITS, GLFW_DONT_CARE);
else
glfwWindowHint(GLFW_ALPHA_BITS, atoi(optarg));
break;
case DEPTHBITS:
if (strcmp(optarg, "-") == 0)
glfwWindowHint(GLFW_DEPTH_BITS, GLFW_DONT_CARE);
else
glfwWindowHint(GLFW_DEPTH_BITS, atoi(optarg));
break;
case STENCILBITS:
if (strcmp(optarg, "-") == 0)
glfwWindowHint(GLFW_STENCIL_BITS, GLFW_DONT_CARE);
else
glfwWindowHint(GLFW_STENCIL_BITS, atoi(optarg));
break;
case ACCUMREDBITS:
if (strcmp(optarg, "-") == 0)
glfwWindowHint(GLFW_ACCUM_RED_BITS, GLFW_DONT_CARE);
else
glfwWindowHint(GLFW_ACCUM_RED_BITS, atoi(optarg));
break;
case ACCUMGREENBITS:
if (strcmp(optarg, "-") == 0)
glfwWindowHint(GLFW_ACCUM_GREEN_BITS, GLFW_DONT_CARE);
else
glfwWindowHint(GLFW_ACCUM_GREEN_BITS, atoi(optarg));
break;
case ACCUMBLUEBITS:
if (strcmp(optarg, "-") == 0)
glfwWindowHint(GLFW_ACCUM_BLUE_BITS, GLFW_DONT_CARE);
else
glfwWindowHint(GLFW_ACCUM_BLUE_BITS, atoi(optarg));
break;
case ACCUMALPHABITS:
if (strcmp(optarg, "-") == 0)
glfwWindowHint(GLFW_ACCUM_ALPHA_BITS, GLFW_DONT_CARE);
else
glfwWindowHint(GLFW_ACCUM_ALPHA_BITS, atoi(optarg));
break;
case AUXBUFFERS:
if (strcmp(optarg, "-") == 0)
glfwWindowHint(GLFW_AUX_BUFFERS, GLFW_DONT_CARE);
else
glfwWindowHint(GLFW_AUX_BUFFERS, atoi(optarg));
break;
case SAMPLES:
if (strcmp(optarg, "-") == 0)
glfwWindowHint(GLFW_SAMPLES, GLFW_DONT_CARE);
else
glfwWindowHint(GLFW_SAMPLES, atoi(optarg));
break;
case STEREO:
glfwWindowHint(GLFW_STEREO, GLFW_TRUE);
break;
case SRGB:
glfwWindowHint(GLFW_SRGB_CAPABLE, GLFW_TRUE);
break;
case SINGLEBUFFER:
glfwWindowHint(GLFW_DOUBLEBUFFER, GLFW_FALSE);
break;
case NOERROR_SRSLY:
glfwWindowHint(GLFW_CONTEXT_NO_ERROR, GLFW_TRUE);
break;
default:
usage();
exit(EXIT_FAILURE);
}
}
print_version();
glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
window = glfwCreateWindow(200, 200, "Version", NULL, NULL);
if (!window)
{
glfwTerminate();
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window);
gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
error = glGetError();
if (error != GL_NO_ERROR)
printf("*** OpenGL error after make current: 0x%08x ***\n", error);
// Report client API version
client = glfwGetWindowAttrib(window, GLFW_CLIENT_API);
major = glfwGetWindowAttrib(window, GLFW_CONTEXT_VERSION_MAJOR);
minor = glfwGetWindowAttrib(window, GLFW_CONTEXT_VERSION_MINOR);
revision = glfwGetWindowAttrib(window, GLFW_CONTEXT_REVISION);
profile = glfwGetWindowAttrib(window, GLFW_OPENGL_PROFILE);
printf("%s context version string: \"%s\"\n",
get_api_name(client),
glGetString(GL_VERSION));
printf("%s context version parsed by GLFW: %u.%u.%u\n",
get_api_name(client),
major, minor, revision);
// Report client API context properties
if (client == GLFW_OPENGL_API)
{
if (major >= 3)
{
GLint flags;
glGetIntegerv(GL_CONTEXT_FLAGS, &flags);
printf("%s context flags (0x%08x):", get_api_name(client), flags);
if (flags & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT)
printf(" forward-compatible");
if (flags & 2/*GL_CONTEXT_FLAG_DEBUG_BIT*/)
printf(" debug");
if (flags & GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT_ARB)
printf(" robustness");
if (flags & 8/*GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR*/)
printf(" no-error");
putchar('\n');
printf("%s context flags parsed by GLFW:", get_api_name(client));
if (glfwGetWindowAttrib(window, GLFW_OPENGL_FORWARD_COMPAT))
printf(" forward-compatible");
if (glfwGetWindowAttrib(window, GLFW_OPENGL_DEBUG_CONTEXT))
printf(" debug");
if (glfwGetWindowAttrib(window, GLFW_CONTEXT_ROBUSTNESS) == GLFW_LOSE_CONTEXT_ON_RESET)
printf(" robustness");
if (glfwGetWindowAttrib(window, GLFW_CONTEXT_NO_ERROR))
printf(" no-error");
putchar('\n');
}
if (major >= 4 || (major == 3 && minor >= 2))
{
GLint mask;
glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &mask);
printf("%s profile mask (0x%08x): %s\n",
get_api_name(client),
mask,
get_profile_name_gl(mask));
printf("%s profile mask parsed by GLFW: %s\n",
get_api_name(client),
get_profile_name_glfw(profile));
}
if (GLAD_GL_ARB_robustness)
{
const int robustness = glfwGetWindowAttrib(window, GLFW_CONTEXT_ROBUSTNESS);
GLint strategy;
glGetIntegerv(GL_RESET_NOTIFICATION_STRATEGY_ARB, &strategy);
printf("%s robustness strategy (0x%08x): %s\n",
get_api_name(client),
strategy,
get_strategy_name_gl(strategy));
printf("%s robustness strategy parsed by GLFW: %s\n",
get_api_name(client),
get_strategy_name_glfw(robustness));
}
}
printf("%s context renderer string: \"%s\"\n",
get_api_name(client),
glGetString(GL_RENDERER));
printf("%s context vendor string: \"%s\"\n",
get_api_name(client),
glGetString(GL_VENDOR));
if (major >= 2)
{
printf("%s context shading language version: \"%s\"\n",
get_api_name(client),
glGetString(GL_SHADING_LANGUAGE_VERSION));
}
printf("%s framebuffer:\n", get_api_name(client));
if (client == GLFW_OPENGL_API && profile == GLFW_OPENGL_CORE_PROFILE)
{
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_BACK_LEFT,
GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE,
&redbits);
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_BACK_LEFT,
GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE,
&greenbits);
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_BACK_LEFT,
GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE,
&bluebits);
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_BACK_LEFT,
GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE,
&alphabits);
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_DEPTH,
GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE,
&depthbits);
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_STENCIL,
GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE,
&stencilbits);
}
else
{
glGetIntegerv(GL_RED_BITS, &redbits);
glGetIntegerv(GL_GREEN_BITS, &greenbits);
glGetIntegerv(GL_BLUE_BITS, &bluebits);
glGetIntegerv(GL_ALPHA_BITS, &alphabits);
glGetIntegerv(GL_DEPTH_BITS, &depthbits);
glGetIntegerv(GL_STENCIL_BITS, &stencilbits);
}
printf(" red: %u green: %u blue: %u alpha: %u depth: %u stencil: %u\n",
redbits, greenbits, bluebits, alphabits, depthbits, stencilbits);
if (client == GLFW_OPENGL_ES_API ||
GLAD_GL_ARB_multisample ||
major > 1 || minor >= 3)
{
GLint samples, samplebuffers;
glGetIntegerv(GL_SAMPLES, &samples);
glGetIntegerv(GL_SAMPLE_BUFFERS, &samplebuffers);
printf(" samples: %u sample buffers: %u\n", samples, samplebuffers);
}
if (client == GLFW_OPENGL_API && profile != GLFW_OPENGL_CORE_PROFILE)
{
GLint accumredbits, accumgreenbits, accumbluebits, accumalphabits;
GLint auxbuffers;
glGetIntegerv(GL_ACCUM_RED_BITS, &accumredbits);
glGetIntegerv(GL_ACCUM_GREEN_BITS, &accumgreenbits);
glGetIntegerv(GL_ACCUM_BLUE_BITS, &accumbluebits);
glGetIntegerv(GL_ACCUM_ALPHA_BITS, &accumalphabits);
glGetIntegerv(GL_AUX_BUFFERS, &auxbuffers);
printf(" accum red: %u accum green: %u accum blue: %u accum alpha: %u aux buffers: %u\n",
accumredbits, accumgreenbits, accumbluebits, accumalphabits, auxbuffers);
}
if (list_extensions)
list_context_extensions(client, major, minor);
printf("Vulkan loader: %s\n",
glfwVulkanSupported() ? "available" : "missing");
if (glfwVulkanSupported())
{
uint32_t i, re_count, pd_count;
const char** re;
VkApplicationInfo ai = {0};
VkInstanceCreateInfo ici = {0};
VkInstance instance;
VkPhysicalDevice* pd;
PFN_vkCreateInstance vkCreateInstance = (PFN_vkCreateInstance)
glfwGetInstanceProcAddress(NULL, "vkCreateInstance");
PFN_vkDestroyInstance vkDestroyInstance;
PFN_vkEnumeratePhysicalDevices vkEnumeratePhysicalDevices;
PFN_vkGetPhysicalDeviceProperties vkGetPhysicalDeviceProperties;
re = glfwGetRequiredInstanceExtensions(&re_count);
printf("Vulkan required instance extensions:");
for (i = 0; i < re_count; i++)
printf(" %s", re[i]);
putchar('\n');
if (list_extensions)
list_vulkan_instance_extensions();
if (list_layers)
list_vulkan_instance_layers();
ai.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
ai.pApplicationName = "glfwinfo";
ai.applicationVersion = GLFW_VERSION_MAJOR;
ai.pEngineName = "GLFW";
ai.engineVersion = GLFW_VERSION_MAJOR;
ai.apiVersion = VK_API_VERSION_1_0;
ici.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
ici.pApplicationInfo = &ai;
ici.enabledExtensionCount = re_count;
ici.ppEnabledExtensionNames = re;
if (vkCreateInstance(&ici, NULL, &instance) != VK_SUCCESS)
{
glfwTerminate();
exit(EXIT_FAILURE);
}
vkDestroyInstance = (PFN_vkDestroyInstance)
glfwGetInstanceProcAddress(instance, "vkDestroyInstance");
vkEnumeratePhysicalDevices = (PFN_vkEnumeratePhysicalDevices)
glfwGetInstanceProcAddress(instance, "vkEnumeratePhysicalDevices");
vkGetPhysicalDeviceProperties = (PFN_vkGetPhysicalDeviceProperties)
glfwGetInstanceProcAddress(instance, "vkGetPhysicalDeviceProperties");
if (vkEnumeratePhysicalDevices(instance, &pd_count, NULL) != VK_SUCCESS)
{
vkDestroyInstance(instance, NULL);
glfwTerminate();
exit(EXIT_FAILURE);
}
pd = calloc(pd_count, sizeof(VkPhysicalDevice));
if (vkEnumeratePhysicalDevices(instance, &pd_count, pd) != VK_SUCCESS)
{
free(pd);
vkDestroyInstance(instance, NULL);
glfwTerminate();
exit(EXIT_FAILURE);
}
for (i = 0; i < pd_count; i++)
{
VkPhysicalDeviceProperties pdp;
vkGetPhysicalDeviceProperties(pd[i], &pdp);
printf("Vulkan %s device: \"%s\"\n",
get_device_type_name(pdp.deviceType),
pdp.deviceName);
if (list_extensions)
list_vulkan_device_extensions(instance, pd[i]);
if (list_layers)
list_vulkan_device_layers(instance, pd[i]);
}
free(pd);
vkDestroyInstance(instance, NULL);
}
glfwTerminate();
exit(EXIT_SUCCESS);
}
bool Window::IsMinimised() const {
return glfwGetWindowAttrib(window, GLFW_ICONIFIED) == GL_TRUE;
}
GameEngine::GameEngine(const std::string& application_name, WindowMode windowMode) {
glfwSetErrorCallback(ErrorCallback);
if (!glfwInit()) {
std::terminate();
}
// Window creation
GLFWmonitor *monitor = glfwGetPrimaryMonitor();
const GLFWvidmode *vidmode = glfwGetVideoMode(monitor);
#ifdef USE_DEBUG_CONTEXT
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 5);
glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE);
#else
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 5);
#endif
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, true);
glfwWindowHint(GLFW_DEPTH_BITS, 24);
glfwWindowHint(GLFW_STENCIL_BITS, 8);
if (windowMode == WindowMode::kFullScreen) {
window_ = glfwCreateWindow(vidmode->width, vidmode->height,
application_name.c_str(), monitor, nullptr);
} else {
window_ = glfwCreateWindow(vidmode->width, vidmode->height,
application_name.c_str(), nullptr, nullptr);
}
if (!window_) {
std::cerr << "FATAL: Couldn't create a glfw window. Aborting now." << std::endl;
glfwTerminate();
std::terminate();
}
// Check the created OpenGL context's version
int ogl_major_version = glfwGetWindowAttrib(window_, GLFW_CONTEXT_VERSION_MAJOR);
int ogl_minor_version = glfwGetWindowAttrib(window_, GLFW_CONTEXT_VERSION_MINOR);
std::cout << "OpenGL version: " << ogl_major_version << '.' << ogl_minor_version << std::endl;
int width, height;
glfwGetFramebufferSize(window_, &width, &height);
std::cout << "Resolution: " << width << " x " << height << std::endl;
if (ogl_major_version < 4 || (ogl_major_version == 4 && ogl_minor_version < 5)) {
std::cerr << "At least OpenGL version 4.5 is required to run this program\n";
std::terminate();
}
glfwMakeContextCurrent(window_);
// No V-sync needed.
glfwSwapInterval(0);
bool success = gladLoadGL();
if (!success) {
std::cerr << "gladLoadGL failed" << std::endl;
std::terminate();
}
#ifdef USE_DEBUG_CONTEXT
glDebugMessageCallback(&DebugCallback, nullptr);
#endif
success = Label::InitializeTextRendering();
if (!success) {
std::cerr << "Label::InitializeTextRendering failed" << std::endl;
std::terminate();
}
MeshRenderer::InitializeMeshDataStorage();
// Only initialize after the OpenGL context has been created
shader_manager_ = make_unique<ShaderManager>();
// OpenGL initialization
gl::Enable(gl::kDepthTest);
glClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
// GLFW callbacks
glfwSetWindowUserPointer(window_, this);
glfwSetKeyCallback(window_, KeyCallback);
glfwSetCharCallback(window_, CharCallback);
glfwSetFramebufferSizeCallback(window_, ScreenResizeCallback);
glfwSetScrollCallback(window_, MouseScrolledCallback);
glfwSetMouseButtonCallback(window_, MouseButtonPressed);
glfwSetCursorPosCallback(window_, MouseMoved);
}
