diff options
Diffstat (limited to '3rdparty/imgui/examples/example_apple_metal/Shared')
7 files changed, 345 insertions, 0 deletions
diff --git a/3rdparty/imgui/examples/example_apple_metal/Shared/AppDelegate.h b/3rdparty/imgui/examples/example_apple_metal/Shared/AppDelegate.h new file mode 100644 index 00000000..c4632b1f --- /dev/null +++ b/3rdparty/imgui/examples/example_apple_metal/Shared/AppDelegate.h @@ -0,0 +1,19 @@ + +#import <TargetConditionals.h> + +#if TARGET_OS_IPHONE + +#import <UIKit/UIKit.h> + +@interface AppDelegate : UIResponder <UIApplicationDelegate> +@property (strong, nonatomic) UIWindow *window; +@end + +#else + +#import <Cocoa/Cocoa.h> + +@interface AppDelegate : NSObject <NSApplicationDelegate> +@end + +#endif diff --git a/3rdparty/imgui/examples/example_apple_metal/Shared/AppDelegate.m b/3rdparty/imgui/examples/example_apple_metal/Shared/AppDelegate.m new file mode 100644 index 00000000..eabb44c1 --- /dev/null +++ b/3rdparty/imgui/examples/example_apple_metal/Shared/AppDelegate.m @@ -0,0 +1,12 @@ + +#import "AppDelegate.h" + +@implementation AppDelegate + +#if TARGET_OS_OSX +- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender { + return YES; +} +#endif + +@end diff --git a/3rdparty/imgui/examples/example_apple_metal/Shared/Renderer.h b/3rdparty/imgui/examples/example_apple_metal/Shared/Renderer.h new file mode 100644 index 00000000..f324915c --- /dev/null +++ b/3rdparty/imgui/examples/example_apple_metal/Shared/Renderer.h @@ -0,0 +1,9 @@ + +#import <MetalKit/MetalKit.h> + +@interface Renderer : NSObject <MTKViewDelegate> + +-(nonnull instancetype)initWithView:(nonnull MTKView *)view; + +@end + diff --git a/3rdparty/imgui/examples/example_apple_metal/Shared/Renderer.mm b/3rdparty/imgui/examples/example_apple_metal/Shared/Renderer.mm new file mode 100644 index 00000000..95218eae --- /dev/null +++ b/3rdparty/imgui/examples/example_apple_metal/Shared/Renderer.mm @@ -0,0 +1,132 @@ + +#import "Renderer.h" +#import <Metal/Metal.h> + +#include "imgui.h" +#include "imgui_impl_metal.h" + +#if TARGET_OS_OSX +#include "imgui_impl_osx.h" +#endif + +@interface Renderer () +@property (nonatomic, strong) id <MTLDevice> device; +@property (nonatomic, strong) id <MTLCommandQueue> commandQueue; +@end + +@implementation Renderer + +-(nonnull instancetype)initWithView:(nonnull MTKView *)view; +{ + self = [super init]; + if(self) + { + _device = view.device; + _commandQueue = [_device newCommandQueue]; + + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + (void)ImGui::GetIO(); + + ImGui_ImplMetal_Init(_device); + + ImGui::StyleColorsDark(); + } + + return self; +} + +- (void)drawInMTKView:(MTKView *)view +{ + ImGuiIO &io = ImGui::GetIO(); + io.DisplaySize.x = view.bounds.size.width; + io.DisplaySize.y = view.bounds.size.height; + +#if TARGET_OS_OSX + CGFloat framebufferScale = view.window.screen.backingScaleFactor ?: NSScreen.mainScreen.backingScaleFactor; +#else + CGFloat framebufferScale = view.window.screen.scale ?: UIScreen.mainScreen.scale; +#endif + io.DisplayFramebufferScale = ImVec2(framebufferScale, framebufferScale); + + io.DeltaTime = 1 / float(view.preferredFramesPerSecond ?: 60); + + id<MTLCommandBuffer> commandBuffer = [self.commandQueue commandBuffer]; + + static bool show_demo_window = true; + static bool show_another_window = false; + static float clear_color[4] = { 0.28f, 0.36f, 0.5f, 1.0f }; + + MTLRenderPassDescriptor *renderPassDescriptor = view.currentRenderPassDescriptor; + if (renderPassDescriptor != nil) + { + renderPassDescriptor.colorAttachments[0].clearColor = MTLClearColorMake(clear_color[0], clear_color[1], clear_color[2], clear_color[3]); + + // Here, you could do additional rendering work, including other passes as necessary. + + id <MTLRenderCommandEncoder> renderEncoder = [commandBuffer renderCommandEncoderWithDescriptor:renderPassDescriptor]; + [renderEncoder pushDebugGroup:@"ImGui demo"]; + + // Start the Dear ImGui frame + ImGui_ImplMetal_NewFrame(renderPassDescriptor); +#if TARGET_OS_OSX + ImGui_ImplOSX_NewFrame(view); +#endif + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + ImDrawData *drawData = ImGui::GetDrawData(); + ImGui_ImplMetal_RenderDrawData(drawData, commandBuffer, renderEncoder); + + [renderEncoder popDebugGroup]; + [renderEncoder endEncoding]; + + [commandBuffer presentDrawable:view.currentDrawable]; + } + + [commandBuffer commit]; +} + +- (void)mtkView:(MTKView *)view drawableSizeWillChange:(CGSize)size +{ +} + +@end diff --git a/3rdparty/imgui/examples/example_apple_metal/Shared/ViewController.h b/3rdparty/imgui/examples/example_apple_metal/Shared/ViewController.h new file mode 100644 index 00000000..a8aade13 --- /dev/null +++ b/3rdparty/imgui/examples/example_apple_metal/Shared/ViewController.h @@ -0,0 +1,20 @@ + +#import <Metal/Metal.h> +#import <MetalKit/MetalKit.h> +#import "Renderer.h" + +#if TARGET_OS_IPHONE + +#import <UIKit/UIKit.h> + +@interface ViewController : UIViewController +@end + +#else + +#import <Cocoa/Cocoa.h> + +@interface ViewController : NSViewController +@end + +#endif diff --git a/3rdparty/imgui/examples/example_apple_metal/Shared/ViewController.mm b/3rdparty/imgui/examples/example_apple_metal/Shared/ViewController.mm new file mode 100644 index 00000000..427c0928 --- /dev/null +++ b/3rdparty/imgui/examples/example_apple_metal/Shared/ViewController.mm @@ -0,0 +1,130 @@ + +#import "ViewController.h" +#import "Renderer.h" +#include "imgui.h" + +#if TARGET_OS_OSX +#include "imgui_impl_osx.h" +#endif + +@interface ViewController () +@property (nonatomic, readonly) MTKView *mtkView; +@property (nonatomic, strong) Renderer *renderer; +@end + +@implementation ViewController + +- (MTKView *)mtkView { + return (MTKView *)self.view; +} + +- (void)viewDidLoad +{ + [super viewDidLoad]; + + self.mtkView.device = MTLCreateSystemDefaultDevice(); + + if (!self.mtkView.device) { + NSLog(@"Metal is not supported"); + abort(); + } + + self.renderer = [[Renderer alloc] initWithView:self.mtkView]; + + [self.renderer mtkView:self.mtkView drawableSizeWillChange:self.mtkView.bounds.size]; + + self.mtkView.delegate = self.renderer; + +#if TARGET_OS_OSX + // Add a tracking area in order to receive mouse events whenever the mouse is within the bounds of our view + NSTrackingArea *trackingArea = [[NSTrackingArea alloc] initWithRect:NSZeroRect + options:NSTrackingMouseMoved | NSTrackingInVisibleRect | NSTrackingActiveAlways + owner:self + userInfo:nil]; + [self.view addTrackingArea:trackingArea]; + + // If we want to receive key events, we either need to be in the responder chain of the key view, + // or else we can install a local monitor. The consequence of this heavy-handed approach is that + // we receive events for all controls, not just Dear ImGui widgets. If we had native controls in our + // window, we'd want to be much more careful than just ingesting the complete event stream, though we + // do make an effort to be good citizens by passing along events when Dear ImGui doesn't want to capture. + NSEventMask eventMask = NSEventMaskKeyDown | NSEventMaskKeyUp | NSEventMaskFlagsChanged | NSEventTypeScrollWheel; + [NSEvent addLocalMonitorForEventsMatchingMask:eventMask handler:^NSEvent * _Nullable(NSEvent *event) { + BOOL wantsCapture = ImGui_ImplOSX_HandleEvent(event, self.view); + if (event.type == NSEventTypeKeyDown && wantsCapture) { + return nil; + } else { + return event; + } + + }]; + + ImGui_ImplOSX_Init(); +#endif +} + +#if TARGET_OS_OSX + +- (void)mouseMoved:(NSEvent *)event { + ImGui_ImplOSX_HandleEvent(event, self.view); +} + +- (void)mouseDown:(NSEvent *)event { + ImGui_ImplOSX_HandleEvent(event, self.view); +} + +- (void)mouseUp:(NSEvent *)event { + ImGui_ImplOSX_HandleEvent(event, self.view); +} + +- (void)mouseDragged:(NSEvent *)event { + ImGui_ImplOSX_HandleEvent(event, self.view); +} + +- (void)scrollWheel:(NSEvent *)event { + ImGui_ImplOSX_HandleEvent(event, self.view); +} + +#elif TARGET_OS_IOS + +// This touch mapping is super cheesy/hacky. We treat any touch on the screen +// as if it were a depressed left mouse button, and we don't bother handling +// multitouch correctly at all. This causes the "cursor" to behave very erratically +// when there are multiple active touches. But for demo purposes, single-touch +// interaction actually works surprisingly well. +- (void)updateIOWithTouchEvent:(UIEvent *)event { + UITouch *anyTouch = event.allTouches.anyObject; + CGPoint touchLocation = [anyTouch locationInView:self.view]; + ImGuiIO &io = ImGui::GetIO(); + io.MousePos = ImVec2(touchLocation.x, touchLocation.y); + + BOOL hasActiveTouch = NO; + for (UITouch *touch in event.allTouches) { + if (touch.phase != UITouchPhaseEnded && touch.phase != UITouchPhaseCancelled) { + hasActiveTouch = YES; + break; + } + } + io.MouseDown[0] = hasActiveTouch; +} + +- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event { + [self updateIOWithTouchEvent:event]; +} + +- (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event { + [self updateIOWithTouchEvent:event]; +} + +- (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event { + [self updateIOWithTouchEvent:event]; +} + +- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event { + [self updateIOWithTouchEvent:event]; +} + +#endif + +@end + diff --git a/3rdparty/imgui/examples/example_apple_metal/Shared/main.m b/3rdparty/imgui/examples/example_apple_metal/Shared/main.m new file mode 100644 index 00000000..cd8468a7 --- /dev/null +++ b/3rdparty/imgui/examples/example_apple_metal/Shared/main.m @@ -0,0 +1,23 @@ + +#import <TargetConditionals.h> + +#if TARGET_OS_IPHONE + +#import <UIKit/UIKit.h> +#import "AppDelegate.h" + +int main(int argc, char * argv[]) { + @autoreleasepool { + return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); + } +} + +#else + +#import <Cocoa/Cocoa.h> + +int main(int argc, const char * argv[]) { + return NSApplicationMain(argc, argv); +} + +#endif |