adding indirect dispatch; test skip

src/soft/SoftCommandBuffer.zig

@@ -46,6 +46,7 @@ pub fn create(device: *base.Device, allocator: std.mem.Allocator, info: *const v
         .copyImage = copyImage,
         .copyImageToBuffer = copyImageToBuffer,
         .dispatch = dispatch,
+        .dispatchIndirect = dispatchIndirect,
         .end = end,
         .fillBuffer = fillBuffer,
         .reset = reset,
@@ -289,6 +290,36 @@ pub fn dispatch(interface: *Interface, group_count_x: u32, group_count_y: u32, g
     self.commands.append(allocator, Command.from(cmd)) catch return VkError.OutOfHostMemory;
 }
 
+pub fn dispatchIndirect(interface: *Interface, buffer: *base.Buffer, offset: vk.DeviceSize) VkError!void {
+    const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
+    const allocator = self.command_allocator.allocator();
+
+    const CommandImpl = struct {
+        const Impl = @This();
+
+        buffer: *SoftBuffer,
+        offset: vk.DeviceSize,
+
+        pub fn execute(impl: *const Impl, device: *ExecutionDevice) VkError!void {
+            const size = 3 * @sizeOf(u32);
+            const memory = if (impl.buffer.interface.memory) |memory| memory else return VkError.InvalidDeviceMemoryDrv;
+            const map: []u32 = @as([*]u32, @ptrCast(@alignCast(try memory.map(impl.offset, size))))[0..3];
+
+            std.debug.print("{any}\n", .{map});
+
+            try device.compute_routines.dispatch(map[0], map[1], map[2]);
+        }
+    };
+
+    const cmd = allocator.create(CommandImpl) catch return VkError.OutOfHostMemory;
+    errdefer allocator.destroy(cmd);
+    cmd.* = .{
+        .buffer = @alignCast(@fieldParentPtr("interface", buffer)),
+        .offset = offset,
+    };
+    self.commands.append(allocator, Command.from(cmd)) catch return VkError.OutOfHostMemory;
+}
+
 pub fn fillBuffer(interface: *Interface, buffer: *base.Buffer, offset: vk.DeviceSize, size: vk.DeviceSize, data: u32) VkError!void {
     const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
     const allocator = self.command_allocator.allocator();

src/vulkan/CommandBuffer.zig

@@ -45,6 +45,7 @@ pub const DispatchTable = struct {
     copyImage: *const fn (*Self, *Image, vk.ImageLayout, *Image, vk.ImageLayout, []const vk.ImageCopy) VkError!void,
     copyImageToBuffer: *const fn (*Self, *Image, vk.ImageLayout, *Buffer, []const vk.BufferImageCopy) VkError!void,
     dispatch: *const fn (*Self, u32, u32, u32) VkError!void,
+    dispatchIndirect: *const fn (*Self, *Buffer, vk.DeviceSize) VkError!void,
     end: *const fn (*Self) VkError!void,
     fillBuffer: *const fn (*Self, *Buffer, vk.DeviceSize, vk.DeviceSize, u32) VkError!void,
     reset: *const fn (*Self, vk.CommandBufferResetFlags) VkError!void,
@@ -152,6 +153,10 @@ pub inline fn dispatch(self: *Self, group_count_x: u32, group_count_y: u32, grou
     try self.dispatch_table.dispatch(self, group_count_x, group_count_y, group_count_z);
 }
 
+pub inline fn dispatchIndirect(self: *Self, buffer: *Buffer, offset: vk.DeviceSize) VkError!void {
+    try self.dispatch_table.dispatchIndirect(self, buffer, offset);
+}
+
 pub inline fn fillBuffer(self: *Self, buffer: *Buffer, offset: vk.DeviceSize, size: vk.DeviceSize, data: u32) VkError!void {
     try self.dispatch_table.fillBuffer(self, buffer, offset, size, data);
 }

src/vulkan/lib_vulkan.zig

@@ -1869,12 +1869,7 @@ pub export fn strollCmdDispatchIndirect(p_cmd: vk.CommandBuffer, p_buffer: vk.Bu
 
     const cmd = Dispatchable(CommandBuffer).fromHandleObject(p_cmd) catch |err| return errorLogger(err);
     const buffer = NonDispatchable(Buffer).fromHandleObject(p_buffer) catch |err| return errorLogger(err);
-
-    notImplementedWarning();
-
-    _ = cmd;
-    _ = buffer;
-    _ = offset;
+    cmd.dispatchIndirect(buffer, offset) catch |err| return errorLogger(err);
 }
 
 pub export fn strollCmdDraw(p_cmd: vk.CommandBuffer, vertex_count: u32, instance_count: u32, first_vertex: u32, first_instance: u32) callconv(vk.vulkan_call_conv) void {