private static void CreateWindow(ImGuiViewport *viewport)
{
PlatformBackend backend = GetPlatformBackend();
ViewportData * viewportData = ViewportData.Allocate();
viewport->PlatformUserData = viewportData;
GLFW.WindowHint(WindowHintBool.Visible, false);
GLFW.WindowHint(WindowHintBool.Focused, false);
GLFW.WindowHint(WindowHintBool.FocusOnShow, false);
GLFW.WindowHint(WindowHintBool.Decorated, !viewport->Flags.HasFlag(ImGuiViewportFlags.NoDecoration));
GLFW.WindowHint(WindowHintBool.Floating, viewport->Flags.HasFlag(ImGuiViewportFlags.TopMost));
*viewportData = new ViewportData()
{
Window = GLFW.CreateWindow((int)viewport->Size.X, (int)viewport->Size.Y, "No Title Yet", null, backend.Window),
WindowOwned = true,
};
viewport->PlatformHandle = viewportData->Window;
if (OperatingSystem.IsWindows())
{
viewport->PlatformHandleRaw = (void *)GLFW.GetWin32Window(viewportData->Window);
}
GLFW.SetWindowPos(viewportData->Window, (int)viewport->Pos.X, (int)viewport->Pos.Y);
// Install GLFW callbacks for secondary viewports
GlfwNative.glfwSetWindowFocusCallback(viewportData->Window, &WindowFocusCallback);
GlfwNative.glfwSetCursorEnterCallback(viewportData->Window, &CursorEnterCallback);
GlfwNative.glfwSetCursorPosCallback(viewportData->Window, &CursorPosCallback);
GlfwNative.glfwSetMouseButtonCallback(viewportData->Window, &MouseButtonCallback);
GlfwNative.glfwSetScrollCallback(viewportData->Window, &ScrollCallback);
GlfwNative.glfwSetKeyCallback(viewportData->Window, &KeyCallback);
GlfwNative.glfwSetCharCallback(viewportData->Window, &CharCallback);
GlfwNative.glfwSetWindowCloseCallback(viewportData->Window, &WindowCloseCallback);
GlfwNative.glfwSetWindowPosCallback(viewportData->Window, &WindowPosCallback);
GlfwNative.glfwSetWindowSizeCallback(viewportData->Window, &WindowSizeCallback);
GLFW.MakeContextCurrent(viewportData->Window);
GLFW.SwapInterval(0);
}
public static unsafe void Main()
{
using (new ExitHandler.LifetimeHandle())
{
const int glfwTrue = 1;
const int glfwFalse = 0;
const int glfwContextVersionMajor = 0x00022002;
const int glfwContextVersionMinor = 0x00022003;
const int glfwOpenGlProfile = 0x00022008;
const int glfwOpenGlCoreProfile = 0x00032001;
const int glfwOpenGlForwardCompat = 0x00022006;
const int glfwResizable = 0x00020003;
const int glColorBufferBit = 0x00004000;
const int glTriangles = 0x0004;
GlfwNative.Init();
GlfwNative.WindowHint(glfwContextVersionMajor, 3);
GlfwNative.WindowHint(glfwContextVersionMinor, 3);
GlfwNative.WindowHint(glfwOpenGlProfile, glfwOpenGlCoreProfile);
GlfwNative.WindowHint(glfwOpenGlForwardCompat, glfwTrue);
GlfwNative.WindowHint(glfwResizable, glfwFalse);
using (var window = new Window("Poltergeist Editor"))
{
using (var vertexArray = VertexArray.Create())
{
vertexArray.Bind();
Span <float> vertices = stackalloc float[]
{
-0.5f, -0.5f, 0.0f,
0.5f, -0.5f, 0.0f,
0.0f, 0.5f, 0.0f
};
Span <VertexBufferElement> layout = stackalloc VertexBufferElement[]
{
new VertexBufferElement(OpenGlType.Float, 3)
};
using (VertexBuffer.Create <float>(vertices, layout)) { }
while (window.IsOpen)
{
window.PollEvents();
OpenGl3Native.ClearColor(0.3f, 0.3f, 0.3f, 1.0f);
OpenGl3Native.Clear(glColorBufferBit);
OpenGl3Native.DrawArrays(glTriangles, 0, 3);
window.SwapBuffers();
}
vertexArray.Unbind();
}
}
GlfwNative.Terminate();
}
}
}
}
