diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml index 4bb25ab..6c6f12a 100644 --- a/.github/workflows/check.yml +++ b/.github/workflows/check.yml @@ -32,7 +32,7 @@ jobs: - name: Check everything run: | FLAGS="-vet -strict-style -vet-tabs -disallow-do -warnings-as-errors" - + odin check by_example/dir_info $FLAGS odin check by_example/dynamic_arrays $FLAGS odin check by_example/hellope $FLAGS @@ -47,6 +47,7 @@ jobs: odin check learn_metal/00-window $FLAGS odin check learn_metal/01-primitive $FLAGS odin check learn_metal/02-argbuffers $FLAGS + odin check learn_metal/02-argbuffers-no-sdl $FLAGS odin check learn_metal/03-animation $FLAGS odin check learn_metal/04-instancing $FLAGS odin check learn_metal/05-perspective $FLAGS @@ -57,7 +58,7 @@ jobs: odin check math/noise/draw_texture $FLAGS - odin check raylib/game_of_life $FLAGS + odin check raylib/game_of_life $FLAGS odin check raylib/microui $FLAGS odin check raylib/ports/shaders/shaders_mesh_instancing.odin -file $FLAGS odin check raylib/ports/shapes/shapes_basic_shapes.odin -file $FLAGS diff --git a/learn_metal/02-argbuffers-no-sdl/02-argbuffers-no-sdl.odin b/learn_metal/02-argbuffers-no-sdl/02-argbuffers-no-sdl.odin new file mode 100644 index 0000000..1283ce1 --- /dev/null +++ b/learn_metal/02-argbuffers-no-sdl/02-argbuffers-no-sdl.odin @@ -0,0 +1,254 @@ +package main + +import "base:intrinsics" + +import "core:os" +import "core:math" +import "core:fmt" +import NS "core:sys/darwin/Foundation" + +import MTL "vendor:darwin/Metal" +import CA "vendor:darwin/QuartzCore" + +main :: proc() { + err := metal_main() + if err != nil { + fmt.eprintln(err->localizedDescription()->odinString()) + os.exit(1) + } +} + +metal_main :: proc() -> (err: ^NS.Error) { + NS.scoped_autoreleasepool() + + app := NS.Application.sharedApplication() + app->setActivationPolicy(.Regular) // without this window is not brought to foreground on launch + defer app->release() + + create_main_menu(app) + + screen_rect := get_main_screen_rect() + window_size := NS.Size{800, 600} + window_origin: NS.Point = { + NS.Float(math.floor(f64(screen_rect.size.width - window_size.width) / 2)), + NS.Float(math.floor(f64(screen_rect.size.height - window_size.height) / 2)), + } + + window := NS.Window.alloc() + defer window->release() + + window->initWithContentRect({window_origin, window_size}, { .Resizable, .Closable, .Titled, .Miniaturizable }, .Buffered, false) + window->setTitle(NS.MakeConstantString("Use left/right arrow keys to rotate the triangle")) + window->makeKeyAndOrderFront(nil) + + app->finishLaunching() + + + device := MTL.CreateSystemDefaultDevice() + defer device->release() + + fmt.println("Metal device:", device->name()->odinString()) + + swapchain := CA.MetalLayer.layer() + defer swapchain->release() + + swapchain->setDevice(device) + swapchain->setPixelFormat(.BGRA8Unorm_sRGB) + swapchain->setFramebufferOnly(true) + swapchain->setFrame(window->frame()) + + window->contentView()->setLayer(swapchain) + window->setOpaque(true) + window->setBackgroundColor(nil) + + library, pso := build_shaders(device) or_return + defer library->release() + defer pso->release() + + vertex_positions_buffer, vertex_colors_buffer, arg_buffer := build_buffers(device, library) + defer arg_buffer->release() + + frame_data_buffer := device->newBuffer(size_of(Frame_Data), {.StorageModeManaged}) + defer frame_data_buffer->release() + + command_queue := device->newCommandQueue() + defer command_queue->release() + + for { + event := app->nextEventMatchingMask(NS.EventMaskAny, NS.Date.distantFuture(), NS.DefaultRunLoopMode, true) + + @static angle: f32 + + event_type := event->type() + #partial switch event_type { + case .KeyDown, .KeyUp: + code := NS.kVK(event->keyCode()) + #partial switch code { + case .LeftArrow: + angle -= 0.02 + case .RightArrow: + angle += 0.02 + } + fmt.println(event_type, code) + case: + fmt.println(event_type, event->locationInWindow(), event->modifierFlags()) + } + + frame_data := (^Frame_Data)(frame_data_buffer->contentsPointer()) + frame_data.angle = angle + frame_data_buffer->didModifyRange(NS.Range_Make(0, size_of(Frame_Data))) + + drawable := swapchain->nextDrawable() + assert(drawable != nil) + defer drawable->release() + + pass := MTL.RenderPassDescriptor.renderPassDescriptor() + defer pass->release() + + color_attachment := pass->colorAttachments()->object(0) + color_attachment->setClearColor(MTL.ClearColor{0.25, 0.5, 1.0, 1.0}) + color_attachment->setLoadAction(.Clear) + color_attachment->setStoreAction(.Store) + color_attachment->setTexture(drawable->texture()) + + command_buffer := command_queue->commandBuffer() + defer command_buffer->release() + + render_encoder := command_buffer->renderCommandEncoderWithDescriptor(pass) + defer render_encoder->release() + + render_encoder->setRenderPipelineState(pso) + render_encoder->setVertexBuffer(arg_buffer, 0, 0) + render_encoder->setVertexBuffer(frame_data_buffer, 0, 1) + render_encoder->useResource(vertex_positions_buffer, {.Read}) + render_encoder->useResource(vertex_colors_buffer, {.Read}) + render_encoder->drawPrimitives(.Triangle, 0, 3) + + render_encoder->endEncoding() + + command_buffer->presentDrawable(drawable) + command_buffer->commit() + + app->sendEvent(event) + app->updateWindows() + } +} + +Frame_Data :: struct { + angle: f32, +} + +build_shaders :: proc(device: ^MTL.Device) -> (library: ^MTL.Library, pso: ^MTL.RenderPipelineState, err: ^NS.Error) { + shader_src := ` + #include + using namespace metal; + + struct v2f { + float4 position [[position]]; + half3 color; + }; + + struct Vertex_Data { + device packed_float3* positions [[id(0)]]; + device packed_float3* colors [[id(1)]]; + }; + + struct Frame_Data { + float angle; + }; + + v2f vertex vertex_main(device const Vertex_Data* vertex_data [[buffer(0)]], + device const Frame_Data* frame_data [[buffer(1)]], + uint vertex_id [[vertex_id]]) { + float a = frame_data->angle; + float3x3 rotation_matrix = float3x3(sin(a), cos(a), 0.0, cos(a), -sin(a), 0.0, 0.0, 0.0, 1.0); + float3 position = float3(vertex_data->positions[vertex_id]); + v2f o; + o.position = float4(rotation_matrix * position, 1.0); + o.color = half3(vertex_data->colors[vertex_id]); + return o; + } + + half4 fragment fragment_main(v2f in [[stage_in]]) { + return half4(in.color, 1.0); + } + ` + shader_src_str := NS.String.alloc()->initWithOdinString(shader_src) + defer shader_src_str->release() + + library = device->newLibraryWithSource(shader_src_str, nil) or_return + + vertex_function := library->newFunctionWithName(NS.AT("vertex_main")) + fragment_function := library->newFunctionWithName(NS.AT("fragment_main")) + defer vertex_function->release() + defer fragment_function->release() + + desc := MTL.RenderPipelineDescriptor.alloc()->init() + defer desc->release() + + desc->setVertexFunction(vertex_function) + desc->setFragmentFunction(fragment_function) + desc->colorAttachments()->object(0)->setPixelFormat(.BGRA8Unorm_sRGB) + + pso = device->newRenderPipelineStateWithDescriptor(desc) or_return + return +} + +build_buffers :: proc(device: ^MTL.Device, library: ^MTL.Library) -> (vertex_positions_buffer, vertex_colors_buffer, arg_buffer: ^MTL.Buffer) { + NUM_VERTICES :: 3 + positions := [NUM_VERTICES][3]f32{ + {-0.8, 0.8, 0.0}, + { 0.0, -0.8, 0.0}, + {+0.8, 0.8, 0.0}, + } + colors := [NUM_VERTICES][3]f32{ + {1.0, 0.3, 0.2}, + {0.8, 1.0, 0.0}, + {0.8, 0.0, 1.0}, + } + + vertex_positions_buffer = device->newBufferWithSlice(positions[:], {.StorageModeManaged}) + vertex_colors_buffer = device->newBufferWithSlice(colors[:], {.StorageModeManaged}) + + vertex_function := library->newFunctionWithName(NS.AT("vertex_main")) + defer vertex_function->release() + + arg_encoder := vertex_function->newArgumentEncoder(0) + defer arg_encoder->release() + + arg_buffer = device->newBuffer(arg_encoder->encodedLength(), {.StorageModeManaged}) + arg_encoder->setArgumentBufferWithOffset(arg_buffer, 0) + arg_encoder->setBuffer(vertex_positions_buffer, 0, 0) + arg_encoder->setBuffer(vertex_colors_buffer, 0, 1) + arg_buffer->didModifyRange(NS.Range_Make(0, arg_buffer->length())) + + return +} + +create_main_menu :: proc(app: ^NS.Application) { + main_menu := NS.Menu.alloc()->init() + main_menu->addItem(NS.MenuItem.alloc()->init()) + + main_menu_app_item := main_menu->addItemWithTitle(NS.AT("Metal"), nil, NS.AT("")) + app_menu := NS.Menu.alloc()->init() + app_menu->addItemWithTitle(NS.AT("Quit"), intrinsics.objc_find_selector("terminate:"), NS.AT("q")) + main_menu_app_item->setSubmenu(app_menu) + + main_menu_edit_item := main_menu->addItemWithTitle(NS.AT("Edit"), nil, NS.AT("")) + edit_menu := NS.Menu.alloc()->init() + main_menu_edit_item->setSubmenu(edit_menu) + + main_menu_view_item := main_menu->addItemWithTitle(NS.AT("View"), nil, NS.AT("")) + view_menu := NS.Menu.alloc()->init() + view_menu->addItemWithTitle(NS.AT("Enter Full Screen"), intrinsics.objc_find_selector("toggleFullScreen:"), NS.AT("f")) + main_menu_view_item->setSubmenu(view_menu) + + app->setMainMenu(main_menu) +} + +get_main_screen_rect :: proc() -> NS.Rect { + the_screen: NS.Screen + main_screen := the_screen.mainScreen() + + return main_screen->visibleFrame() +} diff --git a/ols.json b/ols.json new file mode 100644 index 0000000..90e2150 --- /dev/null +++ b/ols.json @@ -0,0 +1,6 @@ +{ + "$schema": "https://raw.githubusercontent.com/DanielGavin/ols/master/misc/ols.schema.json", + "enable_document_symbols": true, + "enable_hover": true, + "enable_snippets": true +} \ No newline at end of file