79 lines
2.5 KiB
Plaintext
79 lines
2.5 KiB
Plaintext
// Copyright 2017 The NXT Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "BackendBinding.h"
|
|
|
|
#define GLFW_EXPOSE_NATIVE_COCOA
|
|
#include "GLFW/glfw3.h"
|
|
#include "GLFW/glfw3native.h"
|
|
|
|
#import <QuartzCore/CAMetalLayer.h>
|
|
#import <Metal/Metal.h>
|
|
|
|
namespace backend {
|
|
namespace metal {
|
|
void Init(id<MTLDevice> metalDevice, nxtProcTable* procs, nxtDevice* device);
|
|
void SetNextDrawable(nxtDevice device, id<CAMetalDrawable> drawable);
|
|
void Present(nxtDevice device);
|
|
}
|
|
}
|
|
|
|
class MetalBinding : public BackendBinding {
|
|
public:
|
|
void SetupGLFWWindowHints() override {
|
|
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
|
|
}
|
|
void GetProcAndDevice(nxtProcTable* procs, nxtDevice* device) override {
|
|
metalDevice = MTLCreateSystemDefaultDevice();
|
|
|
|
id nsWindow = glfwGetCocoaWindow(window);
|
|
NSView* contentView = [nsWindow contentView];
|
|
[contentView setWantsLayer: YES];
|
|
|
|
layer = [CAMetalLayer layer];
|
|
[layer setDevice: metalDevice];
|
|
[layer setPixelFormat: MTLPixelFormatBGRA8Unorm];
|
|
[layer setFramebufferOnly: YES];
|
|
[layer setDrawableSize: [contentView bounds].size];
|
|
|
|
[contentView setLayer: layer];
|
|
|
|
backend::metal::Init(metalDevice, procs, device);
|
|
backendDevice = *device;
|
|
|
|
backend::metal::SetNextDrawable(backendDevice, GetNextDrawable());
|
|
}
|
|
void SwapBuffers() override {
|
|
backend::metal::Present(backendDevice);
|
|
backend::metal::SetNextDrawable(backendDevice, GetNextDrawable());
|
|
}
|
|
|
|
private:
|
|
id<CAMetalDrawable> GetNextDrawable() {
|
|
lastDrawable = [layer nextDrawable];
|
|
return lastDrawable;
|
|
}
|
|
|
|
id<MTLDevice> metalDevice = nil;
|
|
CAMetalLayer* layer = nullptr;
|
|
|
|
id<CAMetalDrawable> lastDrawable = nil;
|
|
|
|
nxtDevice backendDevice = nullptr;
|
|
};
|
|
|
|
BackendBinding* CreateMetalBinding() {
|
|
return new MetalBinding;
|
|
}
|