4 files changed, 31 insertions, 12 deletions

diff --git a/core/io/dir_access.cpp b/core/io/dir_access.cpp
index 79e7fa16e3..7eb50d2261 100644
--- a/core/io/dir_access.cpp
+++ b/core/io/dir_access.cpp
@@ -351,7 +351,7 @@ Error DirAccess::copy(String p_from, String p_to, int p_chmod_flags) {
 		const size_t copy_buffer_limit = 65536; // 64 KB
 
 		fsrc->seek_end(0);
-		int size = fsrc->get_position();
+		uint64_t size = fsrc->get_position();
 		fsrc->seek(0);
 		err = OK;
 		size_t buffer_size = MIN(size * sizeof(uint8_t), copy_buffer_limit);
diff --git a/core/io/image.cpp b/core/io/image.cpp
index 3450eb7abd..16dd66fc98 100644
--- a/core/io/image.cpp
+++ b/core/io/image.cpp
@@ -2862,6 +2862,9 @@ void Image::_repeat_pixel_over_subsequent_memory(uint8_t *p_pixel, int p_pixel_s
 }
 
 void Image::fill(const Color &p_color) {
+	if (data.size() == 0) {
+		return;
+	}
 	ERR_FAIL_COND_MSG(!_can_modify(format), "Cannot fill in compressed or custom image formats.");
 
 	uint8_t *dst_data_ptr = data.ptrw();
@@ -2875,6 +2878,9 @@ void Image::fill(const Color &p_color) {
 }
 
 void Image::fill_rect(const Rect2i &p_rect, const Color &p_color) {
+	if (data.size() == 0) {
+		return;
+	}
 	ERR_FAIL_COND_MSG(!_can_modify(format), "Cannot fill rect in compressed or custom image formats.");
 
 	Rect2i r = Rect2i(0, 0, width, height).intersection(p_rect.abs());
diff --git a/core/io/resource_saver.cpp b/core/io/resource_saver.cpp
index f55b4c971a..710afc614f 100644
--- a/core/io/resource_saver.cpp
+++ b/core/io/resource_saver.cpp
@@ -63,10 +63,31 @@ void ResourceFormatSaver::get_recognized_extensions(const Ref<Resource> &p_resou
 	}
 }
 
+bool ResourceFormatSaver::recognize_path(const Ref<Resource> &p_resource, const String &p_path) const {
+	bool ret = false;
+	if (GDVIRTUAL_CALL(_recognize_path, p_resource, p_path, ret)) {
+		return ret;
+	}
+
+	String extension = p_path.get_extension();
+
+	List<String> extensions;
+	get_recognized_extensions(p_resource, &extensions);
+
+	for (const String &E : extensions) {
+		if (E.nocasecmp_to(extension) == 0) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
 void ResourceFormatSaver::_bind_methods() {
 	GDVIRTUAL_BIND(_save, "resource", "path", "flags");
 	GDVIRTUAL_BIND(_recognize, "resource");
 	GDVIRTUAL_BIND(_get_recognized_extensions, "resource");
+	GDVIRTUAL_BIND(_recognize_path, "resource", "path");
 }
 
 Error ResourceSaver::save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags) {
@@ -84,17 +105,7 @@ Error ResourceSaver::save(const Ref<Resource> &p_resource, const String &p_path,
 			continue;
 		}
 
-		List<String> extensions;
-		bool recognized = false;
-		saver[i]->get_recognized_extensions(p_resource, &extensions);
-
-		for (const String &E : extensions) {
-			if (E.nocasecmp_to(extension) == 0) {
-				recognized = true;
-			}
-		}
-
-		if (!recognized) {
+		if (!saver[i]->recognize_path(p_resource, path)) {
 			continue;
 		}
 
diff --git a/core/io/resource_saver.h b/core/io/resource_saver.h
index 4fee2bcfd1..5e48ce88c3 100644
--- a/core/io/resource_saver.h
+++ b/core/io/resource_saver.h
@@ -44,11 +44,13 @@ protected:
 	GDVIRTUAL3R(int64_t, _save, Ref<Resource>, String, uint32_t)
 	GDVIRTUAL1RC(bool, _recognize, Ref<Resource>)
 	GDVIRTUAL1RC(Vector<String>, _get_recognized_extensions, Ref<Resource>)
+	GDVIRTUAL2RC(bool, _recognize_path, Ref<Resource>, String)
 
 public:
 	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0);
 	virtual bool recognize(const Ref<Resource> &p_resource) const;
 	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const;
+	virtual bool recognize_path(const Ref<Resource> &p_resource, const String &p_path) const;
 
 	virtual ~ResourceFormatSaver() {}
 };