reworking command buffers, adding soft compute routines

src/soft/device/Device.zig

@@ -2,8 +2,6 @@ const std = @import("std");
 const vk = @import("vulkan");
 const base = @import("base");
 
-const copy_routines = @import("copy_routines.zig");
-
 const SoftDescriptorSet = @import("../SoftDescriptorSet.zig");
 const SoftDevice = @import("../SoftDevice.zig");
 const SoftPipeline = @import("../SoftPipeline.zig");
@@ -11,50 +9,31 @@ const SoftPipeline = @import("../SoftPipeline.zig");
 const ComputeRoutines = @import("ComputeRoutines.zig");
 const PipelineState = @import("PipelineState.zig");
 
-const cmd = base.commands;
 const VkError = base.VkError;
 
 const Self = @This();
 
-compute_routine: ComputeRoutines,
+compute_routines: ComputeRoutines,
 
 /// .graphics = 0
 /// .compute = 1
 pipeline_states: [2]PipelineState,
 
-pub fn init(device: *SoftDevice) Self {
-    var self: Self = undefined;
+pub const init: Self = .{
+    .compute_routines = undefined,
+    .pipeline_states = undefined,
+};
 
+pub fn setup(self: *Self, device: *SoftDevice) void {
     for (self.pipeline_states[0..]) |*state| {
         state.* = .{
             .pipeline = null,
             .sets = [_]?*SoftDescriptorSet{null} ** base.VULKAN_MAX_DESCRIPTOR_SETS,
         };
     }
-
-    self.compute_routine = .init(device, &self.pipeline_states[@intFromEnum(vk.PipelineBindPoint.compute)]);
-
-    return self;
+    self.compute_routines = .init(device, &self.pipeline_states[@intFromEnum(vk.PipelineBindPoint.compute)]);
 }
 
 pub fn deinit(self: *Self) void {
-    self.compute_routine.destroy();
-}
-
-pub fn execute(self: *Self, command: *const cmd.Command) VkError!void {
-    switch (command.*) {
-        .BindDescriptorSets => |data| {
-            for (data.first_set.., data.sets[0..]) |i, set| {
-                if (set == null) break;
-                self.pipeline_states[@intCast(@intFromEnum(data.bind_point))].sets[i] = @alignCast(@fieldParentPtr("interface", set.?));
-            }
-        },
-        .BindPipeline => |data| self.pipeline_states[@intCast(@intFromEnum(data.bind_point))].pipeline = @alignCast(@fieldParentPtr("interface", data.pipeline)),
-        .ClearColorImage => |data| try copy_routines.clearColorImage(&data),
-        .CopyBuffer => |data| try copy_routines.copyBuffer(&data),
-        .CopyImage => |data| try copy_routines.copyImage(&data),
-        .CopyImageToBuffer => |data| try copy_routines.copyImageToBuffer(&data),
-        .FillBuffer => |data| try copy_routines.fillBuffer(&data),
-        else => {},
-    }
+    self.compute_routines.destroy();
 }