First imgui trys

cmd/mxl-player/main.go

@@ -15,6 +15,7 @@ import (
 	"time"
 	"unsafe"
 
+	cimgui "github.com/AllenDang/cimgui-go/imgui"
 	vk "github.com/christerso/vulkan-go/vk"
 	"github.com/qvest-digital/go-mxl/mxl"
 	pflag "github.com/spf13/pflag"
@@ -325,6 +326,15 @@ func main() {
 			panic(err)
 		}
 		defer r.Destroy()
+		guiBackend, err := imgui.NewVulkanBackend(
+			vkPhysDevice, vkDevice, vkQueue, r.CmdPool(), r.RenderPass())
+		if err != nil {
+			panic(err)
+		}
+		defer guiBackend.Destroy()
+		r.ImGuiDraw = func(cmd vk.CommandBuffer) {
+			guiBackend.RecordDraw(cmd, gui.LastDrawData())
+		}
 		defer vkDevice.WaitIdle()
 	}
 
@@ -528,7 +538,9 @@ func main() {
 		dropped    uint64
 		frameCount uint64
 		lastReport time.Time
+		lastFrame  time.Time
 	)
+	lastFrame = time.Now()
 	for running {
 		frameStart := time.Now()
 		var event [128]byte
@@ -589,6 +601,15 @@ func main() {
 		}
 
 		if r != nil {
+			gui.BeginFrame(time.Since(lastFrame), int32(r.Extent().Width), int32(r.Extent().Height))
+			// test widget
+			cimgui.Begin("Test")
+			imguiLabel := fmt.Sprintf("%dx%d", 1920, 1080)
+			cimgui.SeparatorText(imguiLabel)
+			cimgui.End()
+			gui.EndFrame()
+			lastFrame = time.Now()
+			// end of test widget
 			var w, h, stride uint32
 			if syncSrc != nil {
 				w, h, stride = syncSrc.Width(), syncSrc.Height(), syncSrc.Stride()