fix: remove 0-dimension check for transfers

wgpu-core/src/command/transfer.rs

@@ -694,11 +694,6 @@ impl Global {
             .into());
         }
 
-        if size == 0 {
-            log::trace!("Ignoring copy_buffer_to_buffer of size 0");
-            return Ok(());
-        }
-
         // Make sure source is initialized memory and mark dest as initialized.
         cmd_buf_data.buffer_memory_init_actions.extend(
             dst_buffer.initialization_status.read().create_action(
@@ -767,11 +762,6 @@ impl Global {
         let buffer_memory_init_actions = &mut cmd_buf_data.buffer_memory_init_actions;
         let texture_memory_actions = &mut cmd_buf_data.texture_memory_actions;
 
-        if copy_size.width == 0 || copy_size.height == 0 || copy_size.depth_or_array_layers == 0 {
-            log::trace!("Ignoring copy_buffer_to_texture of size 0");
-            return Ok(());
-        }
-
         let dst_texture = hub
             .textures
             .get(destination.texture)
@@ -928,11 +918,6 @@ impl Global {
         let buffer_memory_init_actions = &mut cmd_buf_data.buffer_memory_init_actions;
         let texture_memory_actions = &mut cmd_buf_data.texture_memory_actions;
 
-        if copy_size.width == 0 || copy_size.height == 0 || copy_size.depth_or_array_layers == 0 {
-            log::trace!("Ignoring copy_texture_to_buffer of size 0");
-            return Ok(());
-        }
-
         let src_texture = hub
             .textures
             .get(source.texture)
@@ -1103,11 +1088,6 @@ impl Global {
         let tracker = &mut cmd_buf_data.trackers;
         let texture_memory_actions = &mut cmd_buf_data.texture_memory_actions;
 
-        if copy_size.width == 0 || copy_size.height == 0 || copy_size.depth_or_array_layers == 0 {
-            log::trace!("Ignoring copy_texture_to_texture of size 0");
-            return Ok(());
-        }
-
         let src_texture = hub
             .textures
             .get(source.texture)