video_core: Bloodborne stabilization pt1 (#543)

* shader_recompiler: Writelane elimination pass + null image fix

* spirv: Implement image derivatives

* texture_cache: Reduce page bit size

* clang format

* slot_vector: Back to debug assert

* vk_graphics_pipeline: Handle null tsharp

* spirv: Revert some change

* vk_instance: Support primitive restart on list topology

* page_manager: Adjust windows exception handler

* clang format

* Remove subres tracking

* Will be done separately

src/video_core/amdgpu/resource.h

@@ -179,6 +179,10 @@ struct Image {
         return base_address << 8;
     }
 
+    operator bool() const noexcept {
+        return base_address != 0;
+    }
+
     u32 DstSelect() const {
         return dst_sel_x | (dst_sel_y << 3) | (dst_sel_z << 6) | (dst_sel_w << 9);
     }