121 lines
3.4 KiB
Odin
121 lines
3.4 KiB
Odin
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package impl_sdl2_metal
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import "base:runtime"
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import "core:os"
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import "core:fmt"
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import mtl "vendor:darwin/Metal"
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import ns "core:sys/darwin/Foundation"
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import ca "vendor:darwin/QuartzCore"
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import glfw "vendor:glfw"
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import imgui ".."
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import imgui_glfw "../glfw"
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import imgui_mtl "../metal"
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main :: proc() {
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run()
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}
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glfw_error_cb :: proc "c" (error: i32, desc: cstring) {
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context = runtime.default_context()
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fmt.eprintln("[GLFW Error]", error, desc)
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}
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run :: proc() -> b32 {
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imgui.CreateContext(nil)
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io := imgui.GetIO()
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io.ConfigFlags |= imgui.ConfigFlags.NavEnableKeyboard
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io.ConfigFlags |= imgui.ConfigFlags.NavEnableGamepad
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imgui.StyleColorsDark(nil)
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glfw.SetErrorCallback(glfw_error_cb)
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glfw.Init() or_return
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glfw.WindowHint(glfw.CLIENT_API, glfw.NO_API)
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window := glfw.CreateWindow(1280, 720, "Test", nil, nil)
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if window == nil do return false
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device := mtl.CreateSystemDefaultDevice()
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defer device->release()
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command_queue := device->newCommandQueue()
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defer command_queue->release()
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imgui_glfw.InitForOpenGL(window, true)
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imgui_mtl.Init(device)
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ns_win := glfw.GetCocoaWindow(window)
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ns_view := glfw.GetCocoaView(window)
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layer := ca.MetalLayer.layer()
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layer->setDevice(device)
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layer->setPixelFormat(.BGRA8Unorm)
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ns_view->setLayer(layer)
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ns_view->setWantsLayer(true)
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render_pass_desc := mtl.RenderPassDescriptor.renderPassDescriptor()
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defer render_pass_desc->release()
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clear_color: [4]f32 = {0.45, 0.55, 0.60, 1.00}
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_cc := clear_color.xyz
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show_demo: b8 = true
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for !glfw.WindowShouldClose(window) {
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glfw.PollEvents()
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w, h: i32 = glfw.GetFramebufferSize(window)
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layer->setDrawableSize({width=ns.Float(w), height=ns.Float(h)})
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drawable := layer->nextDrawable()
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defer drawable->release()
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col_attachment := render_pass_desc->colorAttachments()->object(0)
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col_attachment->setClearColor(mtl.ClearColor{
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f64(clear_color[0] * clear_color[3]),
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f64(clear_color[1] * clear_color[3]),
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f64(clear_color[2] * clear_color[3]),
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f64(clear_color[3])})
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col_attachment->setTexture(drawable->texture())
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col_attachment->setLoadAction(.Clear)
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col_attachment->setStoreAction(.Store)
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command_buffer := command_queue->commandBuffer()
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defer command_buffer->release()
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render_encoder := command_buffer->renderCommandEncoderWithDescriptor(render_pass_desc)
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defer render_encoder->release()
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render_encoder->pushDebugGroup(ns.MakeConstantString("test"))
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imgui_mtl.NewFrame(render_pass_desc)
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imgui_glfw.NewFrame()
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imgui.NewFrame()
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if imgui.Button("Toggle DearImgui Demo") do show_demo = !show_demo
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if show_demo do imgui.ShowDemoWindow(&show_demo)
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_cc = clear_color.xyz
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imgui.ColorEdit3("clear color", &_cc, .None)
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imgui.SliderFloat3("clear color", &_cc, 0, 1)
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clear_color.xyz = _cc
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imgui.Render()
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imgui_mtl.RenderDrawData(imgui.GetDrawData(), command_buffer, render_encoder);
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render_encoder->popDebugGroup()
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render_encoder->endEncoding()
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command_buffer->presentDrawable(drawable)
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command_buffer->commit()
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}
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imgui_mtl.Shutdown()
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imgui_glfw.Shutdown()
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imgui.DestroyContext(nil)
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glfw.DestroyWindow(window)
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glfw.Terminate()
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return true
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}
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