1/**************************************************************************/
2/* gltf_document_extension_texture_ktx.cpp */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
7/**************************************************************************/
8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
10/* */
11/* Permission is hereby granted, free of charge, to any person obtaining */
12/* a copy of this software and associated documentation files (the */
13/* "Software"), to deal in the Software without restriction, including */
14/* without limitation the rights to use, copy, modify, merge, publish, */
15/* distribute, sublicense, and/or sell copies of the Software, and to */
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17/* the following conditions: */
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19/* The above copyright notice and this permission notice shall be */
20/* included in all copies or substantial portions of the Software. */
21/* */
22/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
23/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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25/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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28/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29/**************************************************************************/
30
31#include "gltf_document_extension_texture_ktx.h"
32
33// Import process.
34Error GLTFDocumentExtensionTextureKTX::import_preflight(Ref<GLTFState> p_state, Vector<String> p_extensions) {
35 if (!p_extensions.has("KHR_texture_basisu")) {
36 return ERR_SKIP;
37 }
38 return OK;
39}
40
41Vector<String> GLTFDocumentExtensionTextureKTX::get_supported_extensions() {
42 Vector<String> ret;
43 ret.push_back("KHR_texture_basisu");
44 return ret;
45}
46
47Error GLTFDocumentExtensionTextureKTX::parse_image_data(Ref<GLTFState> p_state, const PackedByteArray &p_image_data, const String &p_mime_type, Ref<Image> r_image) {
48 if (p_mime_type == "image/ktx2") {
49 return r_image->load_ktx_from_buffer(p_image_data);
50 }
51 return OK;
52}
53
54Error GLTFDocumentExtensionTextureKTX::parse_texture_json(Ref<GLTFState> p_state, const Dictionary &p_texture_json, Ref<GLTFTexture> r_gltf_texture) {
55 if (!p_texture_json.has("extensions")) {
56 return OK;
57 }
58 const Dictionary &extensions = p_texture_json["extensions"];
59 if (!extensions.has("KHR_texture_basisu")) {
60 return OK;
61 }
62 const Dictionary &texture_ktx = extensions["KHR_texture_basisu"];
63 ERR_FAIL_COND_V(!texture_ktx.has("source"), ERR_PARSE_ERROR);
64 r_gltf_texture->set_src_image(texture_ktx["source"]);
65 return OK;
66}
67