40be15920f
On the only platform where PVRTC is supported (iOS), ETC2 generally supersedes PVRTC in every possible way. The increased memory usage is not really a problem thanks to modern iOS' devices processing power being higher than its Android counterparts.
540 lines
18 KiB
C++
540 lines
18 KiB
C++
/*************************************************************************/
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/* resource_importer_layered_texture.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "resource_importer_layered_texture.h"
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#include "resource_importer_texture.h"
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#include "core/io/config_file.h"
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#include "core/io/image_loader.h"
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#include "editor/editor_file_system.h"
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#include "editor/editor_node.h"
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#include "resource_importer_texture.h"
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#include "scene/resources/texture.h"
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String ResourceImporterLayeredTexture::get_importer_name() const {
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switch (mode) {
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case MODE_CUBEMAP: {
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return "cubemap_texture";
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} break;
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case MODE_2D_ARRAY: {
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return "2d_array_texture";
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} break;
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case MODE_CUBEMAP_ARRAY: {
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return "cubemap_array_texture";
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} break;
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case MODE_3D: {
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return "3d_texture";
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} break;
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}
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ERR_FAIL_V("");
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}
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String ResourceImporterLayeredTexture::get_visible_name() const {
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switch (mode) {
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case MODE_CUBEMAP: {
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return "Cubemap";
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} break;
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case MODE_2D_ARRAY: {
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return "Texture2DArray";
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} break;
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case MODE_CUBEMAP_ARRAY: {
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return "CubemapArray";
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} break;
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case MODE_3D: {
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return "Texture3D";
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} break;
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}
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ERR_FAIL_V("");
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}
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void ResourceImporterLayeredTexture::get_recognized_extensions(List<String> *p_extensions) const {
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ImageLoader::get_recognized_extensions(p_extensions);
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}
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String ResourceImporterLayeredTexture::get_save_extension() const {
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switch (mode) {
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case MODE_CUBEMAP: {
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return "scube";
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} break;
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case MODE_2D_ARRAY: {
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return "stexarray";
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} break;
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case MODE_CUBEMAP_ARRAY: {
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return "scubearray";
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} break;
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case MODE_3D: {
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return "stex3d";
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} break;
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}
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ERR_FAIL_V(String());
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}
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String ResourceImporterLayeredTexture::get_resource_type() const {
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switch (mode) {
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case MODE_CUBEMAP: {
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return "StreamCubemap";
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} break;
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case MODE_2D_ARRAY: {
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return "StreamTexture2DArray";
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} break;
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case MODE_CUBEMAP_ARRAY: {
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return "StreamCubemapArray";
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} break;
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case MODE_3D: {
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return "StreamTexture3D";
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} break;
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}
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ERR_FAIL_V(String());
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}
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bool ResourceImporterLayeredTexture::get_option_visibility(const String &p_path, const String &p_option, const Map<StringName, Variant> &p_options) const {
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if (p_option == "compress/lossy_quality" && p_options.has("compress/mode")) {
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return int(p_options["compress/mode"]) == COMPRESS_LOSSY;
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}
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return true;
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}
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int ResourceImporterLayeredTexture::get_preset_count() const {
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return 0;
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}
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String ResourceImporterLayeredTexture::get_preset_name(int p_idx) const {
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return "";
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}
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void ResourceImporterLayeredTexture::get_import_options(const String &p_path, List<ImportOption> *r_options, int p_preset) const {
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r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "compress/mode", PROPERTY_HINT_ENUM, "Lossless (PNG),Lossy (WebP),Video RAM (S3TC/ETC/BPTC),Uncompressed,Basis Universal", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED), 1));
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r_options->push_back(ImportOption(PropertyInfo(Variant::FLOAT, "compress/lossy_quality", PROPERTY_HINT_RANGE, "0,1,0.01"), 0.7));
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r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "compress/hdr_compression", PROPERTY_HINT_ENUM, "Disabled,Opaque Only,Always"), 1));
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r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "compress/bptc_ldr", PROPERTY_HINT_ENUM, "Disabled,Enabled,RGBA Only"), 0));
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r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "compress/channel_pack", PROPERTY_HINT_ENUM, "sRGB Friendly,Optimized"), 0));
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r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "mipmaps/generate"), true));
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r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "mipmaps/limit", PROPERTY_HINT_RANGE, "-1,256"), -1));
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if (mode == MODE_2D_ARRAY || mode == MODE_3D) {
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r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "slices/horizontal", PROPERTY_HINT_RANGE, "1,256,1"), 8));
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r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "slices/vertical", PROPERTY_HINT_RANGE, "1,256,1"), 8));
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}
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if (mode == MODE_CUBEMAP || mode == MODE_CUBEMAP_ARRAY) {
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r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "slices/arrangement", PROPERTY_HINT_ENUM, "1x6,2x3,3x2,6x1"), 1));
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if (mode == MODE_CUBEMAP_ARRAY) {
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r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "slices/layout", PROPERTY_HINT_ENUM, "Horizontal,Vertical"), 1));
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r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "slices/amount", PROPERTY_HINT_RANGE, "1,1024,1,or_greater"), 1));
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}
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}
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}
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void ResourceImporterLayeredTexture::_save_tex(Vector<Ref<Image>> p_images, const String &p_to_path, int p_compress_mode, float p_lossy, Image::CompressMode p_vram_compression, Image::CompressSource p_csource, Image::UsedChannels used_channels, bool p_mipmaps, bool p_force_po2) {
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Vector<Ref<Image>> mipmap_images; //for 3D
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if (mode == MODE_3D) {
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//3D saves in its own way
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for (int i = 0; i < p_images.size(); i++) {
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if (p_images.write[i]->has_mipmaps()) {
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p_images.write[i]->clear_mipmaps();
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}
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if (p_force_po2) {
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p_images.write[i]->resize_to_po2();
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}
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}
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if (p_mipmaps) {
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Vector<Ref<Image>> parent_images = p_images;
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//create 3D mipmaps, this is horrible, though not used very often
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int w = p_images[0]->get_width();
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int h = p_images[0]->get_height();
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int d = p_images.size();
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while (w > 1 || h > 1 || d > 1) {
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Vector<Ref<Image>> mipmaps;
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int mm_w = MAX(1, w >> 1);
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int mm_h = MAX(1, h >> 1);
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int mm_d = MAX(1, d >> 1);
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for (int i = 0; i < mm_d; i++) {
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Ref<Image> mm;
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mm.instantiate();
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mm->create(mm_w, mm_h, false, p_images[0]->get_format());
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Vector3 pos;
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pos.z = float(i) * float(d) / float(mm_d) + 0.5;
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for (int x = 0; x < mm_w; x++) {
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for (int y = 0; y < mm_h; y++) {
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pos.x = float(x) * float(w) / float(mm_w) + 0.5;
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pos.y = float(y) * float(h) / float(mm_h) + 0.5;
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Vector3i posi = Vector3i(pos);
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Vector3 fract = pos - Vector3(posi);
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Vector3i posi_n = posi;
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if (posi_n.x < w - 1) {
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posi_n.x++;
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}
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if (posi_n.y < h - 1) {
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posi_n.y++;
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}
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if (posi_n.z < d - 1) {
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posi_n.z++;
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}
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Color c000 = parent_images[posi.z]->get_pixel(posi.x, posi.y);
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Color c100 = parent_images[posi.z]->get_pixel(posi_n.x, posi.y);
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Color c010 = parent_images[posi.z]->get_pixel(posi.x, posi_n.y);
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Color c110 = parent_images[posi.z]->get_pixel(posi_n.x, posi_n.y);
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Color c001 = parent_images[posi_n.z]->get_pixel(posi.x, posi.y);
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Color c101 = parent_images[posi_n.z]->get_pixel(posi_n.x, posi.y);
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Color c011 = parent_images[posi_n.z]->get_pixel(posi.x, posi_n.y);
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Color c111 = parent_images[posi_n.z]->get_pixel(posi_n.x, posi_n.y);
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Color cx00 = c000.lerp(c100, fract.x);
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Color cx01 = c001.lerp(c101, fract.x);
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Color cx10 = c010.lerp(c110, fract.x);
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Color cx11 = c011.lerp(c111, fract.x);
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Color cy0 = cx00.lerp(cx10, fract.y);
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Color cy1 = cx01.lerp(cx11, fract.y);
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Color cz = cy0.lerp(cy1, fract.z);
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mm->set_pixel(x, y, cz);
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}
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}
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mipmaps.push_back(mm);
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}
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w = mm_w;
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h = mm_h;
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d = mm_d;
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mipmap_images.append_array(mipmaps);
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parent_images = mipmaps;
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}
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}
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} else {
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for (int i = 0; i < p_images.size(); i++) {
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if (p_force_po2) {
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p_images.write[i]->resize_to_po2();
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}
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if (p_mipmaps) {
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p_images.write[i]->generate_mipmaps();
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} else {
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p_images.write[i]->clear_mipmaps();
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}
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}
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}
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FileAccessRef f = FileAccess::open(p_to_path, FileAccess::WRITE);
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f->store_8('G');
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f->store_8('S');
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f->store_8('T');
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f->store_8('L');
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f->store_32(StreamTextureLayered::FORMAT_VERSION);
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f->store_32(p_images.size()); //2d layers or 3d depth
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f->store_32(mode);
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f->store_32(0);
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f->store_32(0);
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f->store_32(mipmap_images.size()); // amount of mipmaps
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f->store_32(0);
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f->store_32(0);
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for (int i = 0; i < p_images.size(); i++) {
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ResourceImporterTexture::save_to_stex_format(f, p_images[i], ResourceImporterTexture::CompressMode(p_compress_mode), used_channels, p_vram_compression, p_lossy);
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}
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for (int i = 0; i < mipmap_images.size(); i++) {
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ResourceImporterTexture::save_to_stex_format(f, mipmap_images[i], ResourceImporterTexture::CompressMode(p_compress_mode), used_channels, p_vram_compression, p_lossy);
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}
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f->close();
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}
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Error ResourceImporterLayeredTexture::import(const String &p_source_file, const String &p_save_path, const Map<StringName, Variant> &p_options, List<String> *r_platform_variants, List<String> *r_gen_files, Variant *r_metadata) {
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int compress_mode = p_options["compress/mode"];
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float lossy = p_options["compress/lossy_quality"];
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int hdr_compression = p_options["compress/hdr_compression"];
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int bptc_ldr = p_options["compress/bptc_ldr"];
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bool mipmaps = p_options["mipmaps/generate"];
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//bool mipmap_limit = p_options["mipmaps/limit"];
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int channel_pack = p_options["compress/channel_pack"];
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int hslices = (p_options.has("slices/horizontal")) ? int(p_options["slices/horizontal"]) : 0;
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int vslices = (p_options.has("slices/vertical")) ? int(p_options["slices/vertical"]) : 0;
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int arrangement = (p_options.has("slices/arrangement")) ? int(p_options["slices/arrangement"]) : 0;
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int layout = (p_options.has("slices/layout")) ? int(p_options["slices/layout"]) : 0;
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int amount = (p_options.has("slices/amount")) ? int(p_options["slices/amount"]) : 0;
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if (mode == MODE_CUBEMAP || mode == MODE_CUBEMAP_ARRAY) {
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switch (arrangement) {
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case CUBEMAP_FORMAT_1X6: {
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hslices = 1;
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vslices = 6;
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} break;
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case CUBEMAP_FORMAT_2X3: {
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hslices = 2;
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vslices = 3;
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} break;
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case CUBEMAP_FORMAT_3X2: {
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hslices = 3;
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vslices = 2;
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} break;
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case CUBEMAP_FORMAT_6X1: {
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hslices = 6;
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vslices = 1;
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} break;
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}
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if (mode == MODE_CUBEMAP_ARRAY) {
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if (layout == 0) {
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hslices *= amount;
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} else {
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vslices *= amount;
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}
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}
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}
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Ref<Image> image;
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image.instantiate();
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Error err = ImageLoader::load_image(p_source_file, image, nullptr, false, 1.0);
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if (err != OK) {
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return err;
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}
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if (compress_mode == COMPRESS_BASIS_UNIVERSAL && image->get_format() >= Image::FORMAT_RF) {
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//basis universal does not support float formats, fall back
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compress_mode = COMPRESS_VRAM_COMPRESSED;
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}
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if (compress_mode == COMPRESS_VRAM_COMPRESSED) {
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mipmaps = true;
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//if using video ram, optimize
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if (channel_pack == 0) {
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//remove alpha if not needed, so compression is more efficient
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if (image->get_format() == Image::FORMAT_RGBA8 && !image->detect_alpha()) {
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image->convert(Image::FORMAT_RGB8);
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}
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} else if (image->get_format() < Image::FORMAT_RGBA8) {
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image->optimize_channels();
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}
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}
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Image::CompressSource csource = Image::COMPRESS_SOURCE_GENERIC;
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if (channel_pack == 0) {
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csource = Image::COMPRESS_SOURCE_SRGB;
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}
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Image::UsedChannels used_channels = image->detect_used_channels(csource);
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Vector<Ref<Image>> slices;
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int slice_w = image->get_width() / hslices;
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int slice_h = image->get_height() / vslices;
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for (int i = 0; i < vslices; i++) {
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for (int j = 0; j < hslices; j++) {
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int x = slice_w * j;
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int y = slice_h * i;
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Ref<Image> slice = image->get_rect(Rect2(x, y, slice_w, slice_h));
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ERR_CONTINUE(slice.is_null() || slice->is_empty());
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if (slice->get_width() != slice_w || slice->get_height() != slice_h) {
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slice->resize(slice_w, slice_h);
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}
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slices.push_back(slice);
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}
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}
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String extension = get_save_extension();
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Array formats_imported;
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if (compress_mode == COMPRESS_VRAM_COMPRESSED) {
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//must import in all formats, in order of priority (so platform choses the best supported one. IE, etc2 over etc).
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//Android, GLES 2.x
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bool ok_on_pc = false;
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bool is_hdr = (image->get_format() >= Image::FORMAT_RF && image->get_format() <= Image::FORMAT_RGBE9995);
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bool is_ldr = (image->get_format() >= Image::FORMAT_L8 && image->get_format() <= Image::FORMAT_RGB565);
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bool can_bptc = ProjectSettings::get_singleton()->get("rendering/textures/vram_compression/import_bptc");
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bool can_s3tc = ProjectSettings::get_singleton()->get("rendering/textures/vram_compression/import_s3tc");
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if (can_bptc) {
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formats_imported.push_back("bptc"); // Needs to be added anyway.
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}
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bool can_compress_hdr = hdr_compression > 0;
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if (is_hdr && can_compress_hdr) {
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if (used_channels == Image::USED_CHANNELS_LA || used_channels == Image::USED_CHANNELS_RGBA) {
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//can compress hdr, but hdr with alpha is not compressible
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if (hdr_compression == 2) {
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//but user selected to compress hdr anyway, so force an alpha-less format.
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if (image->get_format() == Image::FORMAT_RGBAF) {
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for (int i = 0; i < slices.size(); i++) {
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slices.write[i]->convert(Image::FORMAT_RGBF);
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}
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} else if (image->get_format() == Image::FORMAT_RGBAH) {
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for (int i = 0; i < slices.size(); i++) {
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slices.write[i]->convert(Image::FORMAT_RGBH);
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}
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}
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} else {
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can_compress_hdr = false;
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}
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}
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if (can_compress_hdr) {
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if (!can_bptc) {
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//default to rgbe
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if (image->get_format() != Image::FORMAT_RGBE9995) {
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for (int i = 0; i < slices.size(); i++) {
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slices.write[i]->convert(Image::FORMAT_RGBE9995);
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}
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}
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}
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} else {
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can_bptc = false;
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}
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}
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if (is_ldr && can_bptc) {
|
|
if (bptc_ldr == 0 || (bptc_ldr == 1 && !(used_channels == Image::USED_CHANNELS_LA || used_channels == Image::USED_CHANNELS_RGBA))) {
|
|
can_bptc = false;
|
|
}
|
|
}
|
|
|
|
if (can_bptc || can_s3tc) {
|
|
_save_tex(slices, p_save_path + ".s3tc." + extension, compress_mode, lossy, can_bptc ? Image::COMPRESS_BPTC : Image::COMPRESS_S3TC, csource, used_channels, mipmaps, false);
|
|
r_platform_variants->push_back("s3tc");
|
|
formats_imported.push_back("s3tc");
|
|
ok_on_pc = true;
|
|
}
|
|
|
|
if (ProjectSettings::get_singleton()->get("rendering/textures/vram_compression/import_etc2")) {
|
|
_save_tex(slices, p_save_path + ".etc2." + extension, compress_mode, lossy, Image::COMPRESS_ETC2, csource, used_channels, mipmaps, true);
|
|
r_platform_variants->push_back("etc2");
|
|
formats_imported.push_back("etc2");
|
|
}
|
|
|
|
if (!ok_on_pc) {
|
|
EditorNode::add_io_error("Warning, no suitable PC VRAM compression enabled in Project Settings. This texture will not display correctly on PC.");
|
|
}
|
|
} else {
|
|
//import normally
|
|
_save_tex(slices, p_save_path + "." + extension, compress_mode, lossy, Image::COMPRESS_S3TC /* IGNORED */, csource, used_channels, mipmaps, false);
|
|
}
|
|
|
|
if (r_metadata) {
|
|
Dictionary metadata;
|
|
metadata["vram_texture"] = compress_mode == COMPRESS_VRAM_COMPRESSED;
|
|
if (formats_imported.size()) {
|
|
metadata["imported_formats"] = formats_imported;
|
|
}
|
|
*r_metadata = metadata;
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
const char *ResourceImporterLayeredTexture::compression_formats[] = {
|
|
"bptc",
|
|
"s3tc",
|
|
"etc",
|
|
"etc2",
|
|
nullptr
|
|
};
|
|
String ResourceImporterLayeredTexture::get_import_settings_string() const {
|
|
String s;
|
|
|
|
int index = 0;
|
|
while (compression_formats[index]) {
|
|
String setting_path = "rendering/textures/vram_compression/import_" + String(compression_formats[index]);
|
|
bool test = ProjectSettings::get_singleton()->get(setting_path);
|
|
if (test) {
|
|
s += String(compression_formats[index]);
|
|
}
|
|
index++;
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
bool ResourceImporterLayeredTexture::are_import_settings_valid(const String &p_path) const {
|
|
//will become invalid if formats are missing to import
|
|
Dictionary metadata = ResourceFormatImporter::get_singleton()->get_resource_metadata(p_path);
|
|
|
|
if (!metadata.has("vram_texture")) {
|
|
return false;
|
|
}
|
|
|
|
bool vram = metadata["vram_texture"];
|
|
if (!vram) {
|
|
return true; //do not care about non vram
|
|
}
|
|
|
|
Vector<String> formats_imported;
|
|
if (metadata.has("imported_formats")) {
|
|
formats_imported = metadata["imported_formats"];
|
|
}
|
|
|
|
int index = 0;
|
|
bool valid = true;
|
|
while (compression_formats[index]) {
|
|
String setting_path = "rendering/textures/vram_compression/import_" + String(compression_formats[index]);
|
|
bool test = ProjectSettings::get_singleton()->get(setting_path);
|
|
if (test) {
|
|
if (formats_imported.find(compression_formats[index]) == -1) {
|
|
valid = false;
|
|
break;
|
|
}
|
|
}
|
|
index++;
|
|
}
|
|
|
|
return valid;
|
|
}
|
|
|
|
ResourceImporterLayeredTexture *ResourceImporterLayeredTexture::singleton = nullptr;
|
|
|
|
ResourceImporterLayeredTexture::ResourceImporterLayeredTexture() {
|
|
singleton = this;
|
|
mode = MODE_CUBEMAP;
|
|
}
|
|
|
|
ResourceImporterLayeredTexture::~ResourceImporterLayeredTexture() {
|
|
}
|