macos版本imgui

Arona/CMakeLists.txt

@@ -1,7 +1,6 @@
-project(arona LANGUAGES C CXX)
+project(arona LANGUAGES C CXX OBJCXX OBJC)
 set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_C_STANDARD 11)
-set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 # 设置Windows应用程序的入口点
 #if (WIN32)

Arona/src/arona_application.cpp

@@ -37,7 +37,7 @@ void configure_imgui(ImGuiIO& io) {
     // - Read 'docs/FONTS.md' for more instructions and details.
     // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ !
     //io.Fonts->AddFontDefault();
-    io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 24.0f);
+    //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 24.0f);
     //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f);
     //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f);
     //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f);

Arona/third_party/imgui/CMakeLists.txt

@@ -1,7 +1,6 @@
-project(imgui LANGUAGES C CXX)
+project(imgui LANGUAGES C CXX OBJCXX OBJC)
 set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_C_STANDARD 11)
-set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 set(ALL_FILES
         ${CMAKE_CURRENT_SOURCE_DIR}/imgui/imgui.h
@@ -33,6 +32,9 @@ elseif (APPLE)
     list(APPEND ALL_FILES
             ${CMAKE_CURRENT_SOURCE_DIR}/imgui/backends/imgui_impl_metal.mm
             ${CMAKE_CURRENT_SOURCE_DIR}/imgui/backends/imgui_impl_metal.h
+            ${CMAKE_CURRENT_SOURCE_DIR}/imgui/backends/imgui_impl_glfw.cpp
+            ${CMAKE_CURRENT_SOURCE_DIR}/imgui/backends/imgui_impl_glfw.h
+            ${CMAKE_CURRENT_SOURCE_DIR}/imgui_macos_main.mm
     )
 # linux
 else ()
@@ -62,7 +64,7 @@ elseif (APPLE)
     target_link_libraries(${PROJECT_NAME} PRIVATE "-framework Metal")
     target_link_libraries(${PROJECT_NAME} PRIVATE "-framework Cocoa")
     target_link_libraries(${PROJECT_NAME} PRIVATE "-framework IOKit")
-    target_link_libraries(${PROJECT_NAME} PRIVATE "-framework CoreVideo")
+    target_link_libraries(${PROJECT_NAME} PRIVATE "-framework QuartzCore")
     target_link_libraries(${PROJECT_NAME} PRIVATE glfw)
 else ()
     target_link_libraries(${PROJECT_NAME} PRIVATE vulkan)

Arona/third_party/imgui/imgui_macos_main.mm

@@ -0,0 +1,141 @@
+// Dear ImGui: standalone example application for GLFW + Metal, using programmable pipeline
+// (GLFW is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.)
+
+// Learn about Dear ImGui:
+// - FAQ                  https://dearimgui.com/faq
+// - Getting Started      https://dearimgui.com/getting-started
+// - Documentation        https://dearimgui.com/docs (same as your local docs/ folder).
+// - Introduction, links and more at the top of imgui.cpp
+
+#include "imgui.h"
+#include "imgui_impl_glfw.h"
+#include "imgui_impl_metal.h"
+#include <stdio.h>
+#include <thread>
+#include "imgui_main.h"
+
+#define GLFW_INCLUDE_NONE
+#define GLFW_EXPOSE_NATIVE_COCOA
+#include <GLFW/glfw3.h>
+#include <GLFW/glfw3native.h>
+
+#import <Metal/Metal.h>
+#import <QuartzCore/QuartzCore.h>
+
+static GLFWwindow* g_main_window = nullptr;
+
+static void glfw_error_callback(int error, const char* description)
+{
+    fprintf(stderr, "Glfw Error %d: %s\n", error, description);
+}
+
+int init_imgui() {
+    // Setup Dear ImGui context
+    IMGUI_CHECKVERSION();
+    ImGui::CreateContext();
+    ImGuiIO& io = ImGui::GetIO();
+    configure_imgui(io);
+    // Setup window
+    glfwSetErrorCallback(glfw_error_callback);
+    if (!glfwInit())
+        return 1;
+
+    // Create window with graphics context
+    glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
+    g_main_window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+Metal example", nullptr, nullptr);
+    if (g_main_window == nullptr)
+        return 1;
+
+    return 0;
+}
+
+bool imgui_new_frame() {
+    return true;
+}
+
+void render_imgui() {
+
+}
+
+void shutdown_imgui() {
+    // Cleanup
+    ImGui_ImplMetal_Shutdown();
+    ImGui_ImplGlfw_Shutdown();
+    ImGui::DestroyContext();
+
+    glfwDestroyWindow(g_main_window);
+    glfwTerminate();
+}
+
+void run_imgui() {
+    init_imgui();
+    
+    id <MTLDevice> device = MTLCreateSystemDefaultDevice();
+    id <MTLCommandQueue> commandQueue = [device newCommandQueue];
+
+    // Setup Platform/Renderer backends
+    ImGui_ImplGlfw_InitForOther(g_main_window, true);
+    ImGui_ImplMetal_Init(device);
+
+    NSWindow* nswin = glfwGetCocoaWindow(g_main_window);
+    CAMetalLayer* layer = [CAMetalLayer layer];
+    layer.device = device;
+    layer.pixelFormat = MTLPixelFormatBGRA8Unorm;
+    nswin.contentView.layer = layer;
+    nswin.contentView.wantsLayer = YES;
+    
+    float clear_color[4] = {0.45f, 0.55f, 0.60f, 1.00f};
+    
+    MTLRenderPassDescriptor* renderPassDescriptor = [MTLRenderPassDescriptor new];
+    while (!glfwWindowShouldClose(g_main_window)) {
+        @autoreleasepool {
+            // Poll and handle events (inputs, window resize, etc.)
+            // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
+            // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data.
+            // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data.
+            // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
+            glfwPollEvents();
+            std::this_thread::sleep_for(std::chrono::milliseconds(10));
+
+            int width, height;
+            glfwGetFramebufferSize(g_main_window, &width, &height);
+            layer.drawableSize = CGSizeMake(width, height);
+            id<CAMetalDrawable> drawable = [layer nextDrawable];
+
+            id<MTLCommandBuffer> commandBuffer = [commandQueue commandBuffer];
+            renderPassDescriptor.colorAttachments[0].clearColor = MTLClearColorMake(clear_color[0] * clear_color[3], clear_color[1] * clear_color[3], clear_color[2] * clear_color[3], clear_color[3]);
+            renderPassDescriptor.colorAttachments[0].texture = drawable.texture;
+            renderPassDescriptor.colorAttachments[0].loadAction = MTLLoadActionClear;
+            renderPassDescriptor.colorAttachments[0].storeAction = MTLStoreActionStore;
+            id <MTLRenderCommandEncoder> renderEncoder = [commandBuffer renderCommandEncoderWithDescriptor:renderPassDescriptor];
+            [renderEncoder pushDebugGroup:@"ImGui demo"];
+
+            // Start the Dear ImGui frame
+            ImGui_ImplMetal_NewFrame(renderPassDescriptor);
+            ImGui_ImplGlfw_NewFrame();
+            ImGui::NewFrame();
+            
+            ImGuiIO& io = ImGui::GetIO();
+            tick_imgui(io.DeltaTime);
+            draw_imgui(io.DeltaTime);
+            
+            // Rendering
+            ImGui::Render();
+            ImGui_ImplMetal_RenderDrawData(ImGui::GetDrawData(), commandBuffer, renderEncoder);
+
+            // Update and Render additional Platform Windows
+            if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
+            {
+                ImGui::UpdatePlatformWindows();
+                ImGui::RenderPlatformWindowsDefault();
+            }
+
+            [renderEncoder popDebugGroup];
+            [renderEncoder endEncoding];
+
+            [commandBuffer presentDrawable:drawable];
+            [commandBuffer commit];
+        }
+    }
+    shutdown_imgui();
+}

Arona/third_party/imgui/imgui_main.h

@@ -12,18 +12,6 @@ extern void shutdown_imgui();
 
 extern void tick_imgui(float delta_time);
 
-inline void run_imgui() {
-    init_imgui();
-    while (true) {
-        if (!imgui_new_frame()) {
-            break;
-        }
-        ImGuiIO& io = ImGui::GetIO();
-        tick_imgui(io.DeltaTime);
-        draw_imgui(io.DeltaTime);
-        render_imgui();
-    }
-    shutdown_imgui();
-}
+extern void run_imgui();
 
 extern std::string get_window_title();

AronaCore

@@ -1 +1 @@
-Subproject commit ad39426dae033a0e7e855dafb096b002f95469e3
+Subproject commit 47ae2613c842650e91e61d8e203737071dad1146