radv: execute external subpass barriers after ending subpasses

Outgoing dependencies (ie. external) should happen after the subpass.
This doesn't change anything for subpass resolves as we already
make sure that attachments are shader readable.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

src/amd/vulkan/radv_cmd_buffer.c

@@ -4356,10 +4356,10 @@ void radv_CmdEndRenderPass(
 {
 	RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer);
 
-	radv_subpass_barrier(cmd_buffer, &cmd_buffer->state.pass->end_barrier);
-
 	radv_cmd_buffer_end_subpass(cmd_buffer);
 
+	radv_subpass_barrier(cmd_buffer, &cmd_buffer->state.pass->end_barrier);
+
 	vk_free(&cmd_buffer->pool->alloc, cmd_buffer->state.attachments);
 
 	cmd_buffer->state.pass = NULL;