fixing compilation issue

src/soft/SoftCommandBuffer.zig

@@ -73,10 +73,11 @@ pub fn destroy(interface: *Interface, allocator: std.mem.Allocator) void {
 
 pub fn execute(self: *Self, device: *ExecutionDevice) VkError!void {
     self.interface.submit() catch return;
+    defer self.interface.finish() catch {};
+
     for (self.commands.items) |command| {
         try command.vtable.execute(command.ptr, device);
     }
-    try self.interface.finish();
 }
 
 pub fn begin(interface: *Interface, _: *const vk.CommandBufferBeginInfo) VkError!void {
@@ -282,7 +283,7 @@ pub fn copyImageToBuffer(interface: *Interface, src: *base.Image, src_layout: vk
 
         pub fn execute(impl: *const Impl, _: *ExecutionDevice) VkError!void {
             for (impl.regions[0..]) |region| {
-                try impl.dst.copyToBuffer(impl.dst, region);
+                try impl.src.copyToBuffer(impl.dst, region);
             }
         }
     };

src/soft/SoftImage.zig

@@ -83,7 +83,7 @@ pub fn copyToBuffer(self: *const Self, dst: *SoftBuffer, region: vk.BufferImageC
     );
 }
 
-pub fn copyFromBuffer(self: *const Self, src: *SoftBuffer, region: vk.BufferImageCopy) VkError!void {
+pub fn copyFromBuffer(self: *const Self, src: *const SoftBuffer, region: vk.BufferImageCopy) VkError!void {
     const src_size = src.interface.size - region.buffer_offset;
     const src_memory = if (src.interface.memory) |memory| memory else return VkError.InvalidDeviceMemoryDrv;
     const src_map: []u8 = @as([*]u8, @ptrCast(try src_memory.map(region.buffer_offset, src_size)))[0..src_size];
@@ -99,7 +99,7 @@ pub fn copyFromBuffer(self: *const Self, src: *SoftBuffer, region: vk.BufferImag
 }
 
 pub fn copy(
-    self: *Self,
+    self: *const Self,
     src_memory: ?[]const u8,
     dst_memory: ?[]u8,
     row_len: usize,

src/soft/SoftQueue.zig

@@ -104,7 +104,12 @@ fn taskRunner(self: *Self, info: Interface.SubmitInfo, p_fence: ?*base.Fence, ru
 
     for (info.command_buffers.items) |command_buffer| {
         const soft_command_buffer: *SoftCommandBuffer = @alignCast(@fieldParentPtr("interface", command_buffer));
-        soft_command_buffer.execute(&execution_device) catch |err| base.errors.errorLoggerContext(err, "the software execution device");
+        soft_command_buffer.execute(&execution_device) catch |err| {
+            base.errors.errorLoggerContext(err, "the software execution device");
+            if (@errorReturnTrace()) |trace| {
+                std.debug.dumpStackTrace(trace.*);
+            }
+        };
     }
 
     if (p_fence) |fence| {

src/vulkan/CommandBuffer.zig

@@ -114,6 +114,7 @@ pub inline fn submit(self: *Self) VkError!void {
     if (self.begin_info) |begin_info| {
         if (!begin_info.flags.simultaneous_use_bit) {
             self.transitionState(.Pending, &.{.Executable}) catch return VkError.ValidationFailed;
+            return;
         }
     }
     self.transitionState(.Pending, &.{ .Pending, .Executable }) catch return VkError.ValidationFailed;
@@ -123,6 +124,7 @@ pub inline fn finish(self: *Self) VkError!void {
     if (self.begin_info) |begin_info| {
         if (!begin_info.flags.one_time_submit_bit) {
             self.transitionState(.Invalid, &.{.Pending}) catch return VkError.ValidationFailed;
+            return;
         }
     }
     self.transitionState(.Executable, &.{.Pending}) catch return VkError.ValidationFailed;