extract Frame.record_render
This commit is contained in:
223
src/main.zig
223
src/main.zig
@@ -50,81 +50,31 @@ const vertices = [_]Vertex{
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const indices = [_]Index{ 4, 5, 6, 6, 5, 7 };
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pub fn main() !void {
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var gpa = std.heap.GeneralPurposeAllocator(.{}){};
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defer _ = gpa.detectLeaks();
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const alloc = gpa.allocator();
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const Flight = struct {
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acquire: vk.Semaphore = .null_handle,
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complete: vk.Semaphore = .null_handle,
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fence: vk.Fence = .null_handle,
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pool: vk.CommandPool = .null_handle,
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frame: Frame,
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};
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try au.init(alloc);
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defer au.deinit();
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var sc = try au.SwapChain.init(alloc);
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defer sc.deinit();
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const flight = try alloc.alloc(
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struct {
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acquire: vk.Semaphore = .null_handle,
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complete: vk.Semaphore = .null_handle,
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fence: vk.Fence = .null_handle,
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pool: vk.CommandPool = .null_handle,
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},
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3, // FRAMES IN FLIGHT
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);
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defer alloc.free(flight);
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for (flight) |*frame| {
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frame.acquire = try au.D.createSemaphore(&.{}, null);
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frame.complete = try au.D.createSemaphore(&.{}, null);
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frame.fence = try au.D.createFence(&.{ .flags = .{ .signaled_bit = true } }, null);
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frame.pool = try au.D.createCommandPool(&.{ .queue_family_index = au.device_config.family }, null);
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const Frame = struct {
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pub fn init() !Frame {
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return .{};
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}
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defer for (flight) |frame| {
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au.D.destroySemaphore(frame.acquire, null);
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au.D.destroySemaphore(frame.complete, null);
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au.D.destroyFence(frame.fence, null);
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au.D.destroyCommandPool(frame.pool, null);
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};
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var flight_idx: usize = 0;
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while (!au.W.should_close()) : (flight_idx = (flight_idx + 1) % flight.len) {
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const frame = flight[flight_idx];
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pub fn deinit(self: Frame) void {
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_ = self;
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}
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const events = if (au.W.focused())
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au.wait_events_timeout(0.1)
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else
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au.wait_events_timeout(0.5);
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for (events) |u| {
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switch (u) {
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.framebufferSize => sc.mark(),
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.cursorPos, .windowPos, .windowSize, .windowRefresh => {},
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else => |e| std.debug.print("{any}\n", .{e}),
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}
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}
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_ = try sc.rebuild();
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_ = try au.D.waitForFences(1, &.{frame.fence}, vk.TRUE, std.math.maxInt(u64));
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try au.D.resetFences(1, &.{frame.fence});
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try au.D.resetCommandPool(frame.pool, .{});
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const acq = try au.D.acquireNextImageKHR(
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sc.handle,
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std.math.maxInt(u64),
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frame.acquire,
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.null_handle,
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);
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const image = sc.getImage(acq.image_index);
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const view = sc.getView(acq.image_index);
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var cmd = au.CommandBufferProxy.init(.null_handle, au.D.wrapper);
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try au.D.allocateCommandBuffers(&.{
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.command_pool = frame.pool,
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.level = .primary,
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.command_buffer_count = 1,
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}, @ptrCast(&cmd.handle));
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try cmd.beginCommandBuffer(&.{ .flags = .{ .one_time_submit_bit = true } });
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pub fn record_render(
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self: Frame,
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cmd: au.CommandBufferProxy,
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image: vk.Image,
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view: vk.ImageView,
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scissor: vk.Rect2D,
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) !void {
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_ = self;
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cmd.pipelineBarrier(
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.{ .top_of_pipe_bit = true },
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@@ -153,18 +103,6 @@ pub fn main() !void {
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}),
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);
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const viewport = vk.Viewport{
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.x = 0,
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.y = 0,
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.width = @floatFromInt(sc.cinfo.image_extent.width),
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.height = @floatFromInt(sc.cinfo.image_extent.height),
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.min_depth = 0,
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.max_depth = 1,
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};
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const scissor = vk.Rect2D{
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.offset = .{ .x = 0, .y = 0 },
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.extent = sc.cinfo.image_extent,
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};
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const info = vk.RenderingInfoKHR{
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.render_area = scissor,
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.layer_count = 1,
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@@ -182,8 +120,16 @@ pub fn main() !void {
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}},
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};
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cmd.setViewport(0, 1, &.{viewport});
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cmd.setViewport(0, 1, &.{.{
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.x = @floatFromInt(scissor.offset.x),
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.y = @floatFromInt(scissor.offset.y),
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.width = @floatFromInt(scissor.extent.width),
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.height = @floatFromInt(scissor.extent.height),
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.min_depth = 0,
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.max_depth = 1,
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}});
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cmd.setScissor(0, 1, &.{scissor});
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cmd.beginRendering(&info);
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// todo
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@@ -221,25 +167,110 @@ pub fn main() !void {
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},
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}),
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);
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try cmd.endCommandBuffer();
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}
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};
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pub fn main() !void {
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var gpa = std.heap.GeneralPurposeAllocator(.{}){};
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defer _ = gpa.detectLeaks();
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const alloc = gpa.allocator();
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try au.init(alloc);
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defer au.deinit();
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var sc = try au.SwapChain.init(alloc);
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defer sc.deinit();
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const flights = try alloc.alloc(Flight, 3); // FRAMES IN FLIGHT
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defer alloc.free(flights);
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for (flights) |*flight| {
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flight.acquire = try au.D.createSemaphore(&.{}, null);
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flight.complete = try au.D.createSemaphore(&.{}, null);
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flight.fence = try au.D.createFence(&.{ .flags = .{ .signaled_bit = true } }, null);
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flight.pool = try au.D.createCommandPool(&.{ .queue_family_index = au.device_config.family }, null);
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flight.frame = try Frame.init();
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}
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defer for (flights) |flight| {
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au.D.destroySemaphore(flight.acquire, null);
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au.D.destroySemaphore(flight.complete, null);
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au.D.destroyFence(flight.fence, null);
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au.D.destroyCommandPool(flight.pool, null);
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flight.frame.deinit();
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};
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var flight_idx: usize = 0;
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while (!au.W.should_close()) : (flight_idx = (flight_idx + 1) % flights.len) {
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const flight = flights[flight_idx];
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const events = if (au.W.focused())
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au.wait_events_timeout(0.1)
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else
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au.wait_events_timeout(0.5);
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for (events) |u| {
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switch (u) {
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.framebufferSize => sc.mark(),
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.cursorPos, .windowPos, .windowSize, .windowRefresh => {},
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else => |e| std.debug.print("{any}\n", .{e}),
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}
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}
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_ = try sc.rebuild();
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_ = try au.D.waitForFences(1, &.{flight.fence}, vk.TRUE, std.math.maxInt(u64));
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try au.D.resetFences(1, &.{flight.fence});
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try au.D.resetCommandPool(flight.pool, .{});
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const acq = try au.D.acquireNextImageKHR(
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sc.handle,
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std.math.maxInt(u64),
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flight.acquire,
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.null_handle,
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);
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const image = sc.getImage(acq.image_index);
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const view = sc.getView(acq.image_index);
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var render_cmd = au.CommandBufferProxy.init(.null_handle, au.D.wrapper);
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try au.D.allocateCommandBuffers(
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&.{
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.command_pool = flight.pool,
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.level = .primary,
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.command_buffer_count = 1,
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},
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@ptrCast(&render_cmd.handle),
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);
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try render_cmd.beginCommandBuffer(&.{ .flags = .{ .one_time_submit_bit = true } });
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try flight.frame.record_render(
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render_cmd,
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image,
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view,
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vk.Rect2D{ .offset = .{ .x = 0, .y = 0 }, .extent = sc.cinfo.image_extent },
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);
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try render_cmd.endCommandBuffer();
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try au.Q.submit(
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1,
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@ptrCast(&vk.SubmitInfo{
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.wait_semaphore_count = 1,
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.p_wait_semaphores = @ptrCast(&frame.acquire),
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.p_wait_dst_stage_mask = @ptrCast(&vk.PipelineStageFlags{ .color_attachment_output_bit = true }),
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.command_buffer_count = 1,
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.p_command_buffers = @ptrCast(&cmd.handle),
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.signal_semaphore_count = 1,
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.p_signal_semaphores = @ptrCast(&frame.complete),
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}),
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frame.fence,
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&.{
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vk.SubmitInfo{
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.wait_semaphore_count = 1,
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.p_wait_semaphores = @ptrCast(&flight.acquire),
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.p_wait_dst_stage_mask = @ptrCast(&vk.PipelineStageFlags{ .color_attachment_output_bit = true }),
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.command_buffer_count = 1,
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.p_command_buffers = @ptrCast(&render_cmd.handle),
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.signal_semaphore_count = 1,
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.p_signal_semaphores = @ptrCast(&flight.complete),
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},
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},
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flight.fence,
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);
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_ = try au.Q.presentKHR(&vk.PresentInfoKHR{
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.wait_semaphore_count = 1,
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.p_wait_semaphores = &.{frame.complete},
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.p_wait_semaphores = &.{flight.complete},
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.swapchain_count = 1,
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.p_swapchains = &.{sc.handle},
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.p_image_indices = &.{acq.image_index},
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