adding descriptor writes for storage buffers

src/soft/SoftCommandBuffer.zig

@@ -22,6 +22,7 @@ pub fn create(device: *base.Device, allocator: std.mem.Allocator, info: *const v
 
     interface.dispatch_table = &.{
         .begin = begin,
+        .bindPipeline = bindPipeline,
         .clearColorImage = clearColorImage,
         .copyBuffer = copyBuffer,
         .copyImage = copyImage,
@@ -64,6 +65,16 @@ pub fn reset(interface: *Interface, flags: vk.CommandBufferResetFlags) VkError!v
 
 // Commands ====================================================================================================
 
+pub fn bindPipeline(interface: *Interface, bind_point: vk.PipelineBindPoint, pipeline: *base.Pipeline) VkError!void {
+    _ = interface;
+    _ = pipeline;
+
+    if (bind_point != .graphics and bind_point != .compute) {
+        std.log.warn("Software driver does not support bind point {s}", .{@tagName(bind_point)});
+        return VkError.ValidationFailed;
+    }
+}
+
 pub fn clearColorImage(interface: *Interface, image: *base.Image, layout: vk.ImageLayout, color: *const vk.ClearColorValue, range: vk.ImageSubresourceRange) VkError!void {
     // No-op
     _ = interface;

src/soft/SoftDescriptorSet.zig

@@ -4,12 +4,28 @@ const base = @import("base");
 
 const VkError = base.VkError;
 const Device = base.Device;
+const Buffer = base.Buffer;
+
+const SoftBuffer = @import("SoftBuffer.zig");
+
+const NonDispatchable = base.NonDispatchable;
 
 const Self = @This();
 pub const Interface = base.DescriptorSet;
 
+const Descriptor = union(enum) {
+    buffer: struct {
+        object: ?*SoftBuffer,
+        offset: vk.DeviceSize,
+        size: vk.DeviceSize,
+    },
+    image: struct {},
+};
+
 interface: Interface,
 
+descriptors: []Descriptor,
+
 pub fn create(device: *base.Device, allocator: std.mem.Allocator, layout: *base.DescriptorSetLayout) VkError!*Self {
     const self = allocator.create(Self) catch return VkError.OutOfHostMemory;
     errdefer allocator.destroy(self);
@@ -22,8 +38,12 @@ pub fn create(device: *base.Device, allocator: std.mem.Allocator, layout: *base.
         .write = write,
     };
 
+    const descriptors = allocator.alloc(Descriptor, layout.bindings.len) catch return VkError.OutOfHostMemory;
+    errdefer allocator.free(descriptors);
+
     self.* = .{
         .interface = interface,
+        .descriptors = descriptors,
     };
     return self;
 }
@@ -36,11 +56,30 @@ pub fn copy(interface: *Interface, copy_data: vk.CopyDescriptorSet) VkError!void
 
 pub fn destroy(interface: *Interface, allocator: std.mem.Allocator) void {
     const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
+    allocator.free(self.descriptors);
     allocator.destroy(self);
 }
 
 pub fn write(interface: *Interface, write_data: vk.WriteDescriptorSet) VkError!void {
     const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
-    _ = self;
+
-    _ = write_data;
+    switch (write_data.descriptor_type) {
+        .storage_buffer, .storage_buffer_dynamic => {
+            for (write_data.p_buffer_info, 0..write_data.descriptor_count) |buffer_info, i| {
+                const desc = &self.descriptors[write_data.dst_binding + i];
+                desc.* = .{
+                    .buffer = .{
+                        .object = null,
+                        .offset = buffer_info.offset,
+                        .size = buffer_info.range,
+                    },
+                };
+                if (buffer_info.buffer != .null_handle) {
+                    const buffer = try NonDispatchable(Buffer).fromHandleObject(buffer_info.buffer);
+                    desc.buffer.object = @as(*SoftBuffer, @alignCast(@fieldParentPtr("interface", buffer)));
+                }
+            }
+        },
+        else => base.unsupported("descriptor type {s} for writting", .{@tagName(write_data.descriptor_type)}),
+    }
 }

src/soft/SoftQueue.zig

@@ -97,7 +97,7 @@ fn taskRunner(self: *Self, info: Interface.SubmitInfo, p_fence: ?*base.Fence, ru
         command_buffers.deinit(soft_device.device_allocator.allocator());
     }
 
-    var device = Device.init();
+    var device = Device.init(soft_device);
     defer device.deinit();
 
     loop: for (info.command_buffers.items) |command_buffer| {

src/soft/device/ComputeRoutines.zig

@@ -0,0 +1,29 @@
+const std = @import("std");
+const vk = @import("vulkan");
+const base = @import("base");
+const spv = @import("spv");
+
+const SoftDevice = @import("../SoftDevice.zig");
+const SoftPipeline = @import("../SoftPipeline.zig");
+
+const VkError = base.VkError;
+
+const Self = @This();
+
+device: *SoftDevice,
+pipeline: ?*SoftPipeline,
+
+pub fn init(device: *SoftDevice) Self {
+    return .{
+        .device = device,
+        .pipeline = null,
+    };
+}
+
+pub fn destroy(self: *Self) void {
+    _ = self;
+}
+
+pub fn bindPipeline(self: *Self, pipeline: *SoftPipeline) void {
+    self.pipeline = pipeline;
+}

src/soft/device/Device.zig

@@ -2,24 +2,38 @@ const std = @import("std");
 const vk = @import("vulkan");
 const base = @import("base");
 
+const SoftDevice = @import("../SoftDevice.zig");
 const SoftImage = @import("../SoftImage.zig");
+const SoftPipeline = @import("../SoftPipeline.zig");
+
+const ComputeRoutines = @import("ComputeRoutines.zig");
 
 const cmd = base.commands;
 const VkError = base.VkError;
 
 const Self = @This();
 
-pub fn init() Self {
+compute_routine: ComputeRoutines,
-    return .{};
+
+pub fn init(device: *SoftDevice) Self {
+    return .{
+        .compute_routine = .init(device),
+    };
 }
 
 pub fn deinit(self: *Self) void {
-    _ = self;
+    self.compute_routine.destroy();
 }
 
 pub fn dispatch(self: *Self, command: *const cmd.Command) VkError!void {
-    _ = self;
     switch (command.*) {
+        .BindPipeline => |data| {
+            if (data.bind_point == .compute) {
+                self.compute_routine.bindPipeline(@alignCast(@fieldParentPtr("interface", data.pipeline)));
+            } else {
+                // TODO
+            }
+        },
         .ClearColorImage => |data| try clearColorImage(&data),
         .CopyBuffer => |data| try copyBuffer(&data),
         .CopyImage => |data| try copyImage(&data),

src/vulkan/CommandBuffer.zig

@@ -13,6 +13,7 @@ const Buffer = @import("Buffer.zig");
 const CommandPool = @import("CommandPool.zig");
 const Event = @import("Event.zig");
 const Image = @import("Image.zig");
+const Pipeline = @import("Pipeline.zig");
 
 const COMMAND_BUFFER_BASE_CAPACITY = 256;
 
@@ -39,6 +40,7 @@ vtable: *const VTable,
 dispatch_table: *const DispatchTable,
 
 pub const DispatchTable = struct {
+    bindPipeline: *const fn (*Self, vk.PipelineBindPoint, *Pipeline) VkError!void,
     begin: *const fn (*Self, *const vk.CommandBufferBeginInfo) VkError!void,
     clearColorImage: *const fn (*Self, *Image, vk.ImageLayout, *const vk.ClearColorValue, vk.ImageSubresourceRange) VkError!void,
     copyBuffer: *const fn (*Self, *Buffer, *Buffer, []const vk.BufferCopy) VkError!void,
@@ -133,31 +135,41 @@ fn cleanCommandList(self: *Self) void {
 
 // Commands ====================================================================================================
 
+pub inline fn bindPipeline(self: *Self, bind_point: vk.PipelineBindPoint, pipeline: *Pipeline) VkError!void {
+    const allocator = self.host_allocator.allocator();
+    try self.dispatch_table.bindPipeline(self, bind_point, pipeline);
+    self.commands.append(allocator, .{ .BindPipeline = .{
+        .bind_point = bind_point,
+        .pipeline = pipeline,
+    } }) catch return VkError.OutOfHostMemory;
+}
+
 pub inline fn clearColorImage(self: *Self, image: *Image, layout: vk.ImageLayout, color: *const vk.ClearColorValue, ranges: []const vk.ImageSubresourceRange) VkError!void {
     const allocator = self.host_allocator.allocator();
     for (ranges) |range| {
+        try self.dispatch_table.clearColorImage(self, image, layout, color, range);
         self.commands.append(allocator, .{ .ClearColorImage = .{
             .image = image,
             .layout = layout,
             .clear_color = color.*,
             .range = range,
         } }) catch return VkError.OutOfHostMemory;
-        try self.dispatch_table.clearColorImage(self, image, layout, color, range);
     }
 }
 
 pub inline fn copyBuffer(self: *Self, src: *Buffer, dst: *Buffer, regions: []const vk.BufferCopy) VkError!void {
     const allocator = self.host_allocator.allocator();
+    try self.dispatch_table.copyBuffer(self, src, dst, regions);
     self.commands.append(allocator, .{ .CopyBuffer = .{
         .src = src,
         .dst = dst,
         .regions = allocator.dupe(vk.BufferCopy, regions) catch return VkError.OutOfHostMemory,
     } }) catch return VkError.OutOfHostMemory;
-    try self.dispatch_table.copyBuffer(self, src, dst, regions);
 }
 
 pub inline fn copyImage(self: *Self, src: *Image, src_layout: vk.ImageLayout, dst: *Image, dst_layout: vk.ImageLayout, regions: []const vk.ImageCopy) VkError!void {
     const allocator = self.host_allocator.allocator();
+    try self.dispatch_table.copyImage(self, src, src_layout, dst, dst_layout, regions);
     self.commands.append(allocator, .{ .CopyImage = .{
         .src = src,
         .src_layout = src_layout,
@@ -165,29 +177,28 @@ pub inline fn copyImage(self: *Self, src: *Image, src_layout: vk.ImageLayout, ds
         .dst_layout = dst_layout,
         .regions = allocator.dupe(vk.ImageCopy, regions) catch return VkError.OutOfHostMemory,
     } }) catch return VkError.OutOfHostMemory;
-    try self.dispatch_table.copyImage(self, src, src_layout, dst, dst_layout, regions);
 }
 
 pub inline fn copyImageToBuffer(self: *Self, src: *Image, src_layout: vk.ImageLayout, dst: *Buffer, regions: []const vk.BufferImageCopy) VkError!void {
     const allocator = self.host_allocator.allocator();
+    try self.dispatch_table.copyImageToBuffer(self, src, src_layout, dst, regions);
     self.commands.append(allocator, .{ .CopyImageToBuffer = .{
         .src = src,
         .src_layout = src_layout,
         .dst = dst,
         .regions = allocator.dupe(vk.BufferImageCopy, regions) catch return VkError.OutOfHostMemory,
     } }) catch return VkError.OutOfHostMemory;
-    try self.dispatch_table.copyImageToBuffer(self, src, src_layout, dst, regions);
 }
 
 pub inline fn fillBuffer(self: *Self, buffer: *Buffer, offset: vk.DeviceSize, size: vk.DeviceSize, data: u32) VkError!void {
     const allocator = self.host_allocator.allocator();
+    try self.dispatch_table.fillBuffer(self, buffer, offset, size, data);
     self.commands.append(allocator, .{ .FillBuffer = .{
         .buffer = buffer,
         .offset = offset,
         .size = if (size == vk.WHOLE_SIZE) buffer.size else size,
         .data = data,
     } }) catch return VkError.OutOfHostMemory;
-    try self.dispatch_table.fillBuffer(self, buffer, offset, size, data);
 }
 
 pub inline fn resetEvent(self: *Self, event: *Event, stage: vk.PipelineStageFlags) VkError!void {

src/vulkan/DescriptorSet.zig

@@ -32,6 +32,7 @@ pub fn init(device: *Device, allocator: std.mem.Allocator, layout: *DescriptorSe
         .vtable = undefined,
     };
 }
+
 pub inline fn copy(self: *Self, copy_data: vk.CopyDescriptorSet) VkError!void {
     try self.vtable.copy(self, copy_data);
 }

src/vulkan/commands.zig

@@ -3,6 +3,7 @@ const vk = @import("vulkan");
 
 const Buffer = @import("Buffer.zig");
 const Image = @import("Image.zig");
+const Pipeline = @import("Pipeline.zig");
 
 pub const CommandType = enum {
     BindPipeline,
@@ -20,6 +21,7 @@ pub const CommandType = enum {
 
 pub const CommandBindPipeline = struct {
     bind_point: vk.PipelineBindPoint,
+    pipeline: *Pipeline,
 };
 pub const CommandBindVertexBuffer = struct {
     buffers: []*const Buffer,

src/vulkan/lib_vulkan.zig

@@ -1707,12 +1707,8 @@ pub export fn strollCmdBindPipeline(p_cmd: vk.CommandBuffer, bind_point: vk.Pipe
     defer entryPointEndLogTrace();
 
     const cmd = Dispatchable(CommandBuffer).fromHandleObject(p_cmd) catch |err| return errorLogger(err);
-
+    const pipeline = Dispatchable(Pipeline).fromHandleObject(p_pipeline) catch |err| return errorLogger(err);
-    notImplementedWarning();
+    cmd.bindPipeline(bind_point, pipeline) catch |err| return errorLogger(err);
-
-    _ = cmd;
-    _ = bind_point;
-    _ = p_pipeline;
 }
 
 pub export fn strollCmdBindVertexBuffers(p_cmd: vk.CommandBuffer, first: u32, count: u32, p_buffers: [*]const vk.Buffer, offsets: [*]const vk.DeviceSize) callconv(vk.vulkan_call_conv) void {