1 files changed, 43 insertions, 2 deletions

diff --git a/modules/gltf/extensions/gltf_document_extension_texture_webp.cpp b/modules/gltf/extensions/gltf_document_extension_texture_webp.cpp
index ded4970968..f8bd6d57cf 100644
--- a/modules/gltf/extensions/gltf_document_extension_texture_webp.cpp
+++ b/modules/gltf/extensions/gltf_document_extension_texture_webp.cpp
@@ -30,8 +30,6 @@
 
 #include "gltf_document_extension_texture_webp.h"
 
-#include "scene/3d/area_3d.h"
-
 // Import process.
 Error GLTFDocumentExtensionTextureWebP::import_preflight(Ref<GLTFState> p_state, Vector<String> p_extensions) {
 	if (!p_extensions.has("EXT_texture_webp")) {
@@ -53,6 +51,10 @@ Error GLTFDocumentExtensionTextureWebP::parse_image_data(Ref<GLTFState> p_state,
 	return OK;
 }
 
+String GLTFDocumentExtensionTextureWebP::get_image_file_extension() {
+	return ".webp";
+}
+
 Error GLTFDocumentExtensionTextureWebP::parse_texture_json(Ref<GLTFState> p_state, const Dictionary &p_texture_json, Ref<GLTFTexture> r_gltf_texture) {
 	if (!p_texture_json.has("extensions")) {
 		return OK;
@@ -66,3 +68,42 @@ Error GLTFDocumentExtensionTextureWebP::parse_texture_json(Ref<GLTFState> p_stat
 	r_gltf_texture->set_src_image(texture_webp["source"]);
 	return OK;
 }
+
+Vector<String> GLTFDocumentExtensionTextureWebP::get_saveable_image_formats() {
+	Vector<String> ret;
+	ret.push_back("Lossless WebP");
+	ret.push_back("Lossy WebP");
+	return ret;
+}
+
+PackedByteArray GLTFDocumentExtensionTextureWebP::serialize_image_to_bytes(Ref<GLTFState> p_state, Ref<Image> p_image, Dictionary p_image_dict, const String &p_image_format, float p_lossy_quality) {
+	if (p_image_format == "Lossless WebP") {
+		p_image_dict["mimeType"] = "image/webp";
+		return p_image->save_webp_to_buffer(false);
+	} else if (p_image_format == "Lossy WebP") {
+		p_image_dict["mimeType"] = "image/webp";
+		return p_image->save_webp_to_buffer(true, p_lossy_quality);
+	}
+	ERR_FAIL_V(PackedByteArray());
+}
+
+Error GLTFDocumentExtensionTextureWebP::save_image_at_path(Ref<GLTFState> p_state, Ref<Image> p_image, const String &p_file_path, const String &p_image_format, float p_lossy_quality) {
+	if (p_image_format == "Lossless WebP") {
+		p_image->save_webp(p_file_path, false);
+		return OK;
+	} else if (p_image_format == "Lossy WebP") {
+		p_image->save_webp(p_file_path, true, p_lossy_quality);
+		return OK;
+	}
+	return ERR_INVALID_PARAMETER;
+}
+
+Error GLTFDocumentExtensionTextureWebP::serialize_texture_json(Ref<GLTFState> p_state, Dictionary p_texture_json, Ref<GLTFTexture> p_gltf_texture, const String &p_image_format) {
+	Dictionary ext_texture_webp;
+	ext_texture_webp["source"] = p_gltf_texture->get_src_image();
+	Dictionary texture_extensions;
+	texture_extensions["EXT_texture_webp"] = ext_texture_webp;
+	p_texture_json["extensions"] = texture_extensions;
+	p_state->add_used_extension("EXT_texture_webp", true);
+	return OK;
+}