adding public queue functions and worker base

README.md

@@ -25,6 +25,13 @@ Then ensure thy Vulkan loader is pointed toward the ICD manifest.
 The precise ritual varies by system — consult the tomes of your operating system, or wander the web’s endless mausoleum of documentation.
 
 Use at your own risk. If thy machine shudders, weeps, or attempts to flee — know that it was warned.
+\
+\
+\
+Thou may also conjure forth a tome of compile commands by doing thus:
+```
+zig build cdb
+```
 
 ## License
 

build.zig

@@ -1,6 +1,8 @@
 const std = @import("std");
 const Step = std.Build.Step;
 
+const zcc = @import("compile_commands");
+
 const ImplementationDesc = struct {
     name: []const u8,
     root_source_file: []const u8,
@@ -15,7 +17,7 @@ const implementations = [_]ImplementationDesc{
     },
 };
 
-pub fn build(b: *std.Build) void {
+pub fn build(b: *std.Build) !void {
     const target = b.standardTargetOptions(.{});
     const optimize = b.standardOptimizeOption(.{});
 
@@ -38,6 +40,8 @@ pub fn build(b: *std.Build) void {
     base_mod.addSystemIncludePath(vulkan_headers.path("include"));
 
     for (implementations) |impl| {
+        var targets = std.ArrayListUnmanaged(*std.Build.Step.Compile){};
+
         const lib_mod = b.createModule(.{
             .root_source_file = b.path(impl.root_source_file),
             .target = target,
@@ -90,6 +94,11 @@ pub fn build(b: *std.Build) void {
 
         const c_test_exe_install = b.addInstallArtifact(c_test_exe, .{});
 
+        try targets.append(b.allocator, lib);
+        try targets.append(b.allocator, c_test_exe);
+
+        _ = zcc.createStep(b, "cdb", try targets.toOwnedSlice(b.allocator));
+
         const run_c_test = b.addRunArtifact(c_test_exe);
         run_c_test.step.dependOn(&lib_install.step);
         run_c_test.step.dependOn(&c_test_exe_install.step);

build.zig.zon

@@ -27,6 +27,10 @@
             .hash = "cpuinfo-0.1.0-V7dMLcghAADJuG7dkd3MnwDPZ232pBK_8uGjxY43eP5u",
             .lazy = true,
         },
+        .compile_commands = .{
+            .url = "git+https://github.com/the-argus/zig-compile-commands",
+            .hash = "zig_compile_commands-0.0.1-OZg5-a3CAACM-h32Kjb1obTMqrKGs9YoDhorVZ8-LGle",
+        },
     },
 
     .paths = .{

src/soft/SoftQueue.zig

@@ -2,6 +2,7 @@ const std = @import("std");
 const vk = @import("vulkan");
 const base = @import("base");
 
+const SoftDevice = @import("SoftDevice.zig");
 const SoftDeviceMemory = @import("SoftDeviceMemory.zig");
 const SoftFence = @import("SoftFence.zig");
 
@@ -11,9 +12,11 @@ const Self = @This();
 pub const Interface = base.Queue;
 
 interface: Interface,
+wait_group: std.Thread.WaitGroup,
 mutex: std.Thread.Mutex,
+worker_mutex: std.Thread.Mutex,
 
-pub fn create(allocator: std.mem.Allocator, device: *const base.Device, index: u32, family_index: u32, flags: vk.DeviceQueueCreateFlags) VkError!*Interface {
+pub fn create(allocator: std.mem.Allocator, device: *base.Device, index: u32, family_index: u32, flags: vk.DeviceQueueCreateFlags) VkError!*Interface {
     const self = allocator.create(Self) catch return VkError.OutOfHostMemory;
     errdefer allocator.destroy(self);
 
@@ -27,7 +30,9 @@ pub fn create(allocator: std.mem.Allocator, device: *const base.Device, index: u
 
     self.* = .{
         .interface = interface,
+        .wait_group = .{},
         .mutex = .{},
+        .worker_mutex = .{},
     };
     return &self.interface;
 }
@@ -37,21 +42,46 @@ pub fn destroy(interface: *Interface, allocator: std.mem.Allocator) VkError!void
     allocator.destroy(self);
 }
 
-pub fn bindSparse(interface: *Interface, info: []*const vk.BindSparseInfo, fence: ?*base.Fence) VkError!void {
+pub fn bindSparse(interface: *Interface, info: []const vk.BindSparseInfo, fence: ?*base.Fence) VkError!void {
     const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
     _ = self;
     _ = info;
     _ = fence;
+    return VkError.FeatureNotPresent;
 }
 
-pub fn submit(interface: *Interface, info: []*const vk.SubmitInfo, fence: ?*base.Fence) VkError!void {
-    const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
-    _ = self;
+pub fn submit(interface: *Interface, info: []const vk.SubmitInfo, fence: ?*base.Fence) VkError!void {
+    var self: *Self = @alignCast(@fieldParentPtr("interface", interface));
     _ = info;
-    _ = fence;
+
+    const Runner = struct {
+        fn run(queue: *Self, p_fence: ?*base.Fence) void {
+            // Waiting for older submits to finish execution
+            queue.worker_mutex.lock();
+            defer queue.worker_mutex.unlock();
+
+            // TODO: commands executions
+
+            std.log.debug("Queue execution", .{});
+            std.Thread.sleep(1_000_000_000);
+            if (p_fence) |fence_obj| {
+                fence_obj.signal() catch {};
+            }
+        }
+    };
+
+    self.mutex.lock();
+    defer self.mutex.unlock();
+
+    var soft_device: *SoftDevice = @alignCast(@fieldParentPtr("interface", interface.owner));
+    soft_device.workers.spawnWg(&self.wait_group, Runner.run, .{ self, fence });
 }
 
 pub fn waitIdle(interface: *Interface) VkError!void {
     const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
-    _ = self;
+
+    self.mutex.lock();
+    defer self.mutex.unlock();
+
+    self.wait_group.wait();
 }

src/vulkan/Device.zig

@@ -19,7 +19,7 @@ dispatch_table: *const DispatchTable,
 vtable: *const VTable,
 
 pub const VTable = struct {
-    createQueue: *const fn (std.mem.Allocator, *const Self, u32, u32, vk.DeviceQueueCreateFlags) VkError!*Queue,
+    createQueue: *const fn (std.mem.Allocator, *Self, u32, u32, vk.DeviceQueueCreateFlags) VkError!*Queue,
     destroyQueue: *const fn (*Queue, std.mem.Allocator) VkError!void,
 };
 

src/vulkan/Queue.zig

@@ -8,7 +8,7 @@ const Fence = @import("Fence.zig");
 const Self = @This();
 pub const ObjectType: vk.ObjectType = .queue;
 
-owner: *const Device,
+owner: *Device,
 family_index: u32,
 index: u32,
 flags: vk.DeviceQueueCreateFlags,
@@ -16,12 +16,12 @@ flags: vk.DeviceQueueCreateFlags,
 dispatch_table: *const DispatchTable,
 
 pub const DispatchTable = struct {
-    bindSparse: *const fn (*Self, []*const vk.BindSparseInfo, ?*Fence) VkError!void,
-    submit: *const fn (*Self, []*const vk.SubmitInfo, ?*Fence) VkError!void,
+    bindSparse: *const fn (*Self, []const vk.BindSparseInfo, ?*Fence) VkError!void,
+    submit: *const fn (*Self, []const vk.SubmitInfo, ?*Fence) VkError!void,
     waitIdle: *const fn (*Self) VkError!void,
 };
 
-pub fn init(allocator: std.mem.Allocator, device: *const Device, index: u32, family_index: u32, flags: vk.DeviceQueueCreateFlags) VkError!Self {
+pub fn init(allocator: std.mem.Allocator, device: *Device, index: u32, family_index: u32, flags: vk.DeviceQueueCreateFlags) VkError!Self {
     std.log.scoped(.vkCreateDevice).info("Creating device queue with family index {d} and index {d}", .{ family_index, index });
     _ = allocator;
     return .{
@@ -33,11 +33,11 @@ pub fn init(allocator: std.mem.Allocator, device: *const Device, index: u32, fam
     };
 }
 
-pub inline fn bindSparse(self: *Self, info: []*const vk.BindSparseInfo, fence: ?*Fence) VkError!void {
+pub inline fn bindSparse(self: *Self, info: []const vk.BindSparseInfo, fence: ?*Fence) VkError!void {
     try self.dispatch_table.bindSparse(self, info, fence);
 }
 
-pub inline fn submit(self: *Self, info: []*const vk.SubmitInfo, fence: ?*Fence) VkError!void {
+pub inline fn submit(self: *Self, info: []const vk.SubmitInfo, fence: ?*Fence) VkError!void {
     try self.dispatch_table.submit(self, info, fence);
 }
 

src/vulkan/lib_vulkan.zig

@@ -16,9 +16,11 @@ const VulkanAllocator = @import("VulkanAllocator.zig");
 
 const Instance = @import("Instance.zig");
 const Device = @import("Device.zig");
+const PhysicalDevice = @import("PhysicalDevice.zig");
+const Queue = @import("Queue.zig");
+
 const DeviceMemory = @import("DeviceMemory.zig");
 const Fence = @import("Fence.zig");
-const PhysicalDevice = @import("PhysicalDevice.zig");
 
 // This file contains all exported Vulkan entrypoints.
 
@@ -80,6 +82,9 @@ const device_pfn_map = std.StaticStringMap(vk.PfnVoidFunction).initComptime(.{
     functionMapEntryPoint("vkMapMemory"),
     functionMapEntryPoint("vkUnmapMemory"),
     functionMapEntryPoint("vkResetFences"),
+    functionMapEntryPoint("vkQueueBindSparse"),
+    functionMapEntryPoint("vkQueueSubmit"),
+    functionMapEntryPoint("vkQueueWaitIdle"),
     functionMapEntryPoint("vkWaitForFences"),
 });
 
@@ -389,6 +394,26 @@ pub export fn strollResetFences(p_device: vk.Device, count: u32, p_fences: [*]co
     return .success;
 }
 
+pub export fn strollQueueBindSparse(p_queue: vk.Queue, count: u32, info: [*]vk.BindSparseInfo, p_fence: vk.Fence) callconv(vk.vulkan_call_conv) vk.Result {
+    const queue = Dispatchable(Queue).fromHandleObject(p_queue) catch |err| return toVkResult(err);
+    const fence = if (p_fence != .null_handle) NonDispatchable(Fence).fromHandleObject(p_fence) catch |err| return toVkResult(err) else null;
+    queue.bindSparse(info[0..count], fence) catch |err| return toVkResult(err);
+    return .success;
+}
+
+pub export fn strollQueueSubmit(p_queue: vk.Queue, count: u32, info: [*]const vk.SubmitInfo, p_fence: vk.Fence) callconv(vk.vulkan_call_conv) vk.Result {
+    const queue = Dispatchable(Queue).fromHandleObject(p_queue) catch |err| return toVkResult(err);
+    const fence = if (p_fence != .null_handle) NonDispatchable(Fence).fromHandleObject(p_fence) catch |err| return toVkResult(err) else null;
+    queue.submit(info[0..count], fence) catch |err| return toVkResult(err);
+    return .success;
+}
+
+pub export fn strollQueueWaitIdle(p_queue: vk.Queue) callconv(vk.vulkan_call_conv) vk.Result {
+    const queue = Dispatchable(Queue).fromHandleObject(p_queue) catch |err| return toVkResult(err);
+    queue.waitIdle() catch |err| return toVkResult(err);
+    return .success;
+}
+
 pub export fn strollWaitForFences(p_device: vk.Device, count: u32, p_fences: [*]const vk.Fence, waitForAll: vk.Bool32, timeout: u64) callconv(vk.vulkan_call_conv) vk.Result {
     const device = Dispatchable(Device).fromHandleObject(p_device) catch |err| return toVkResult(err);
     const allocator = std.heap.c_allocator;

test/c/main.c

@@ -85,7 +85,6 @@ int main(void)
 
 	VkQueue queue = VK_NULL_HANDLE;
 	vkGetDeviceQueue(device, 1, 0, &queue);
-	printf("VkQueue %p\n", queue);
 
 	VkFenceCreateInfo fence_info = {};
 	fence_info.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
@@ -93,6 +92,11 @@ int main(void)
 	VkFence fence = VK_NULL_HANDLE;
 	CheckVk(vkCreateFence(device, &fence_info, NULL, &fence));
 
+	CheckVk(vkQueueSubmit(queue, 0, NULL, fence));
+	CheckVk(vkQueueSubmit(queue, 0, NULL, fence));
+	CheckVk(vkQueueSubmit(queue, 0, NULL, fence));
+	CheckVk(vkQueueWaitIdle(queue));
+
 	vkDestroyFence(device, fence, NULL);
 
 	vkDestroyDevice(device, NULL);