3afabb8f17
i have added the option to chose normal map for channel pack. this will force the to use red and green channels for the texture only. the option is added meaning it will not conflict with the existing settings. i have made this change as a response to my own proposal Bugsquad edit: Closes godotengine/godot-proposals#3184
549 lines
18 KiB
C++
549 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) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 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_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(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,Normal Map (RG channels"), 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(p_csource == Image::COMPRESS_SOURCE_NORMAL);
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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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} else if (channel_pack == 2) {
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// force normal
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csource = Image::COMPRESS_SOURCE_NORMAL;
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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 aded 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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}
|
|
}
|
|
}
|
|
} else {
|
|
can_bptc = false;
|
|
}
|
|
}
|
|
|
|
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 (ProjectSettings::get_singleton()->get("rendering/textures/vram_compression/import_pvrtc")) {
|
|
_save_tex(slices, p_save_path + ".etc2." + extension, compress_mode, lossy, Image::COMPRESS_ETC2, csource, used_channels, mipmaps, true);
|
|
r_platform_variants->push_back("pvrtc");
|
|
formats_imported.push_back("pvrtc");
|
|
}
|
|
|
|
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",
|
|
"pvrtc",
|
|
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() {
|
|
}
|