Merge pull request #8880 from LazyBumHorse/master

fix frame_direction type for vulkan

gfx/drivers_shader/shader_vulkan.cpp

@@ -495,7 +495,7 @@ class Pass
             slang_texture_semantic semantic, unsigned index, const Texture &texture);
 
       uint64_t frame_count = 0;
-      uint32_t frame_direction = 1;
+      int32_t frame_direction = 1;
       unsigned frame_count_period = 0;
       unsigned pass_number = 0;