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godot/editor/import/resource_importer_texture.cpp

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/*************************************************************************/
/* resource_importer_texture.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "resource_importer_texture.h"
#include "core/io/config_file.h"
#include "core/io/image_loader.h"
#include "core/version.h"
#include "editor/editor_file_system.h"
#include "editor/editor_node.h"
void ResourceImporterTexture::_texture_reimport_roughness(const Ref<StreamTexture2D> &p_tex, const String &p_normal_path, RS::TextureDetectRoughnessChannel p_channel) {
MutexLock lock(singleton->mutex);
StringName path = p_tex->get_path();
if (!singleton->make_flags.has(path)) {
singleton->make_flags[path] = MakeInfo();
}
singleton->make_flags[path].flags |= MAKE_ROUGHNESS_FLAG;
singleton->make_flags[path].channel_for_roughness = p_channel;
singleton->make_flags[path].normal_path_for_roughness = p_normal_path;
}
void ResourceImporterTexture::_texture_reimport_3d(const Ref<StreamTexture2D> &p_tex) {
MutexLock lock(singleton->mutex);
StringName path = p_tex->get_path();
if (!singleton->make_flags.has(path)) {
singleton->make_flags[path] = MakeInfo();
}
singleton->make_flags[path].flags |= MAKE_3D_FLAG;
}
void ResourceImporterTexture::_texture_reimport_normal(const Ref<StreamTexture2D> &p_tex) {
MutexLock lock(singleton->mutex);
StringName path = p_tex->get_path();
if (!singleton->make_flags.has(path)) {
singleton->make_flags[path] = MakeInfo();
}
singleton->make_flags[path].flags |= MAKE_NORMAL_FLAG;
}
void ResourceImporterTexture::update_imports() {
if (EditorFileSystem::get_singleton()->is_scanning() || EditorFileSystem::get_singleton()->is_importing()) {
return; // do nothing for now
}
MutexLock lock(mutex);
Vector<String> to_reimport;
{
if (make_flags.is_empty()) {
return;
}
for (Map<StringName, MakeInfo>::Element *E = make_flags.front(); E; E = E->next()) {
Ref<ConfigFile> cf;
cf.instantiate();
String src_path = String(E->key()) + ".import";
Error err = cf->load(src_path);
ERR_CONTINUE(err != OK);
bool changed = false;
if (E->get().flags & MAKE_NORMAL_FLAG && int(cf->get_value("params", "compress/normal_map")) == 0) {
cf->set_value("params", "compress/normal_map", 1);
changed = true;
}
if (E->get().flags & MAKE_ROUGHNESS_FLAG && int(cf->get_value("params", "roughness/mode")) == 0) {
cf->set_value("params", "roughness/mode", E->get().channel_for_roughness + 2);
cf->set_value("params", "roughness/src_normal", E->get().normal_path_for_roughness);
changed = true;
}
if (E->get().flags & MAKE_3D_FLAG && bool(cf->get_value("params", "detect_3d/compress_to"))) {
int compress_to = cf->get_value("params", "detect_3d/compress_to");
cf->set_value("params", "detect_3d/compress_to", 0);
if (compress_to == 1) {
cf->set_value("params", "compress/mode", COMPRESS_VRAM_COMPRESSED);
} else if (compress_to == 2) {
cf->set_value("params", "compress/mode", COMPRESS_BASIS_UNIVERSAL);
}
cf->set_value("params", "mipmaps/generate", true);
changed = true;
}
if (changed) {
cf->save(src_path);
to_reimport.push_back(E->key());
}
}
make_flags.clear();
}
if (to_reimport.size()) {
EditorFileSystem::get_singleton()->reimport_files(to_reimport);
}
}
String ResourceImporterTexture::get_importer_name() const {
return "texture";
}
String ResourceImporterTexture::get_visible_name() const {
return "Texture2D";
}
void ResourceImporterTexture::get_recognized_extensions(List<String> *p_extensions) const {
ImageLoader::get_recognized_extensions(p_extensions);
}
String ResourceImporterTexture::get_save_extension() const {
return "stex";
}
String ResourceImporterTexture::get_resource_type() const {
return "StreamTexture2D";
}
bool ResourceImporterTexture::get_option_visibility(const String &p_option, const Map<StringName, Variant> &p_options) const {
if (p_option == "compress/lossy_quality") {
int compress_mode = int(p_options["compress/mode"]);
if (compress_mode != COMPRESS_LOSSY && compress_mode != COMPRESS_VRAM_COMPRESSED) {
return false;
}
} else if (p_option == "compress/hdr_mode") {
int compress_mode = int(p_options["compress/mode"]);
if (compress_mode < COMPRESS_VRAM_COMPRESSED) {
return false;
}
} else if (p_option == "mipmaps/limit") {
return p_options["mipmaps/generate"];
} else if (p_option == "compress/bptc_ldr") {
int compress_mode = int(p_options["compress/mode"]);
if (compress_mode < COMPRESS_VRAM_COMPRESSED) {
return false;
}
if (!ProjectSettings::get_singleton()->get("rendering/textures/vram_compression/import_bptc")) {
return false;
}
}
return true;
}
int ResourceImporterTexture::get_preset_count() const {
return 3;
}
String ResourceImporterTexture::get_preset_name(int p_idx) const {
static const char *preset_names[] = {
"2D/3D (Auto-Detect)",
"2D",
"3D",
};
return preset_names[p_idx];
}
void ResourceImporterTexture::get_import_options(List<ImportOption> *r_options, int p_preset) const {
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "compress/mode", PROPERTY_HINT_ENUM, "Lossless,Lossy,VRAM Compressed,VRAM Uncompressed,Basis Universal", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED), p_preset == PRESET_3D ? 2 : 0));
r_options->push_back(ImportOption(PropertyInfo(Variant::FLOAT, "compress/lossy_quality", PROPERTY_HINT_RANGE, "0,1,0.01"), 0.7));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "compress/hdr_compression", PROPERTY_HINT_ENUM, "Disabled,Opaque Only,Always"), 1));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "compress/bptc_ldr", PROPERTY_HINT_ENUM, "Disabled,Enabled,RGBA Only"), 0));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "compress/normal_map", PROPERTY_HINT_ENUM, "Detect,Enable,Disabled"), 0));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "compress/channel_pack", PROPERTY_HINT_ENUM, "sRGB Friendly,Optimized"), 0));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "compress/streamed"), false));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "mipmaps/generate"), (p_preset == PRESET_3D ? true : false)));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "mipmaps/limit", PROPERTY_HINT_RANGE, "-1,256"), -1));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "roughness/mode", PROPERTY_HINT_ENUM, "Detect,Disabled,Red,Green,Blue,Alpha,Gray"), 0));
r_options->push_back(ImportOption(PropertyInfo(Variant::STRING, "roughness/src_normal", PROPERTY_HINT_FILE, "*.bmp,*.dds,*.exr,*.jpeg,*.jpg,*.hdr,*.png,*.svg,*.svgz,*.tga,*.webp"), ""));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "process/fix_alpha_border"), p_preset != PRESET_3D));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "process/premult_alpha"), false));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "process/normal_map_invert_y"), false));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "process/HDR_as_SRGB"), false));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "process/size_limit", PROPERTY_HINT_RANGE, "0,4096,1"), 0));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "detect_3d/compress_to", PROPERTY_HINT_ENUM, "Disabled,VRAM Compressed,Basis Universal"), (p_preset == PRESET_DETECT) ? 1 : 0));
r_options->push_back(ImportOption(PropertyInfo(Variant::FLOAT, "svg/scale", PROPERTY_HINT_RANGE, "0.001,100,0.001"), 1.0));
}
void ResourceImporterTexture::save_to_stex_format(FileAccess *f, const Ref<Image> &p_image, CompressMode p_compress_mode, Image::UsedChannels p_channels, Image::CompressMode p_compress_format, float p_lossy_quality) {
switch (p_compress_mode) {
case COMPRESS_LOSSLESS: {
bool lossless_force_png = ProjectSettings::get_singleton()->get("rendering/textures/lossless_compression/force_png");
bool use_webp = !lossless_force_png && p_image->get_width() <= 16383 && p_image->get_height() <= 16383; // WebP has a size limit
f->store_32(use_webp ? StreamTexture2D::DATA_FORMAT_WEBP : StreamTexture2D::DATA_FORMAT_PNG);
f->store_16(p_image->get_width());
f->store_16(p_image->get_height());
f->store_32(p_image->get_mipmap_count());
f->store_32(p_image->get_format());
for (int i = 0; i < p_image->get_mipmap_count() + 1; i++) {
Vector<uint8_t> data;
if (use_webp) {
data = Image::webp_lossless_packer(p_image->get_image_from_mipmap(i));
} else {
data = Image::png_packer(p_image->get_image_from_mipmap(i));
}
int data_len = data.size();
f->store_32(data_len);
const uint8_t *r = data.ptr();
f->store_buffer(r, data_len);
}
} break;
case COMPRESS_LOSSY: {
f->store_32(StreamTexture2D::DATA_FORMAT_WEBP);
f->store_16(p_image->get_width());
f->store_16(p_image->get_height());
f->store_32(p_image->get_mipmap_count());
f->store_32(p_image->get_format());
for (int i = 0; i < p_image->get_mipmap_count() + 1; i++) {
Vector<uint8_t> data = Image::webp_lossy_packer(p_image->get_image_from_mipmap(i), p_lossy_quality);
int data_len = data.size();
f->store_32(data_len);
const uint8_t *r = data.ptr();
f->store_buffer(r, data_len);
}
} break;
case COMPRESS_VRAM_COMPRESSED: {
Ref<Image> image = p_image->duplicate();
image->compress_from_channels(p_compress_format, p_channels, p_lossy_quality);
f->store_32(StreamTexture2D::DATA_FORMAT_IMAGE);
f->store_16(image->get_width());
f->store_16(image->get_height());
f->store_32(image->get_mipmap_count());
f->store_32(image->get_format());
Vector<uint8_t> data = image->get_data();
int dl = data.size();
const uint8_t *r = data.ptr();
f->store_buffer(r, dl);
} break;
case COMPRESS_VRAM_UNCOMPRESSED: {
f->store_32(StreamTexture2D::DATA_FORMAT_IMAGE);
f->store_16(p_image->get_width());
f->store_16(p_image->get_height());
f->store_32(p_image->get_mipmap_count());
f->store_32(p_image->get_format());
Vector<uint8_t> data = p_image->get_data();
int dl = data.size();
const uint8_t *r = data.ptr();
f->store_buffer(r, dl);
} break;
case COMPRESS_BASIS_UNIVERSAL: {
f->store_32(StreamTexture2D::DATA_FORMAT_BASIS_UNIVERSAL);
f->store_16(p_image->get_width());
f->store_16(p_image->get_height());
f->store_32(p_image->get_mipmap_count());
f->store_32(p_image->get_format());
for (int i = 0; i < p_image->get_mipmap_count() + 1; i++) {
Vector<uint8_t> data = Image::basis_universal_packer(p_image->get_image_from_mipmap(i), p_channels);
int data_len = data.size();
f->store_32(data_len);
const uint8_t *r = data.ptr();
f->store_buffer(r, data_len);
}
} break;
}
}
void ResourceImporterTexture::_save_stex(const Ref<Image> &p_image, const String &p_to_path, CompressMode p_compress_mode, float p_lossy_quality, Image::CompressMode p_vram_compression, bool p_mipmaps, bool p_streamable, bool p_detect_3d, bool p_detect_roughness, bool p_detect_normal, bool p_force_normal, bool p_srgb_friendly, bool p_force_po2_for_compressed, uint32_t p_limit_mipmap, const Ref<Image> &p_normal, Image::RoughnessChannel p_roughness_channel) {
FileAccess *f = FileAccess::open(p_to_path, FileAccess::WRITE);
ERR_FAIL_NULL(f);
f->store_8('G');
f->store_8('S');
f->store_8('T');
f->store_8('2'); //godot streamable texture 2D
//format version
f->store_32(StreamTexture2D::FORMAT_VERSION);
//texture may be resized later, so original size must be saved first
f->store_32(p_image->get_width());
f->store_32(p_image->get_height());
uint32_t flags = 0;
if (p_streamable) {
flags |= StreamTexture2D::FORMAT_BIT_STREAM;
}
if (p_mipmaps) {
flags |= StreamTexture2D::FORMAT_BIT_HAS_MIPMAPS; //mipmaps bit
}
if (p_detect_3d) {
flags |= StreamTexture2D::FORMAT_BIT_DETECT_3D;
}
if (p_detect_roughness) {
flags |= StreamTexture2D::FORMAT_BIT_DETECT_ROUGNESS;
}
if (p_detect_normal) {
flags |= StreamTexture2D::FORMAT_BIT_DETECT_NORMAL;
}
f->store_32(flags);
f->store_32(p_limit_mipmap);
//reserved for future use
f->store_32(0);
f->store_32(0);
f->store_32(0);
/*
print_line("streamable " + itos(p_streamable));
print_line("mipmaps " + itos(p_mipmaps));
print_line("detect_3d " + itos(p_detect_3d));
print_line("roughness " + itos(p_detect_roughness));
print_line("normal " + itos(p_detect_normal));
*/
if ((p_compress_mode == COMPRESS_LOSSLESS || p_compress_mode == COMPRESS_LOSSY) && p_image->get_format() > Image::FORMAT_RGBA8) {
p_compress_mode = COMPRESS_VRAM_UNCOMPRESSED; //these can't go as lossy
}
Ref<Image> image = p_image->duplicate();
if (((p_compress_mode == COMPRESS_BASIS_UNIVERSAL) || (p_compress_mode == COMPRESS_VRAM_COMPRESSED && p_force_po2_for_compressed)) && p_mipmaps) {
image->resize_to_po2();
}
if (p_mipmaps && (!image->has_mipmaps() || p_force_normal)) {
image->generate_mipmaps(p_force_normal);
}
if (!p_mipmaps) {
image->clear_mipmaps();
}
if (image->has_mipmaps() && p_normal.is_valid()) {
image->generate_mipmap_roughness(p_roughness_channel, p_normal);
}
Image::CompressSource csource = Image::COMPRESS_SOURCE_GENERIC;
if (p_force_normal) {
csource = Image::COMPRESS_SOURCE_NORMAL;
} else if (p_srgb_friendly) {
csource = Image::COMPRESS_SOURCE_SRGB;
}
Image::UsedChannels used_channels = image->detect_used_channels(csource);
save_to_stex_format(f, image, p_compress_mode, used_channels, p_vram_compression, p_lossy_quality);
memdelete(f);
}
Error ResourceImporterTexture::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) {
CompressMode compress_mode = CompressMode(int(p_options["compress/mode"]));
float lossy = p_options["compress/lossy_quality"];
int pack_channels = p_options["compress/channel_pack"];
bool mipmaps = p_options["mipmaps/generate"];
uint32_t mipmap_limit = mipmaps ? uint32_t(p_options["mipmaps/limit"]) : uint32_t(-1);
bool fix_alpha_border = p_options["process/fix_alpha_border"];
bool premult_alpha = p_options["process/premult_alpha"];
bool normal_map_invert_y = p_options["process/normal_map_invert_y"];
bool stream = p_options["compress/streamed"];
int size_limit = p_options["process/size_limit"];
bool hdr_as_srgb = p_options["process/HDR_as_SRGB"];
int normal = p_options["compress/normal_map"];
float scale = p_options["svg/scale"];
int hdr_compression = p_options["compress/hdr_compression"];
int bptc_ldr = p_options["compress/bptc_ldr"];
int roughness = p_options["roughness/mode"];
String normal_map = p_options["roughness/src_normal"];
Ref<Image> normal_image;
Image::RoughnessChannel roughness_channel = Image::ROUGHNESS_CHANNEL_R;
if (mipmaps && roughness > 1 && FileAccess::exists(normal_map)) {
normal_image.instantiate();
if (ImageLoader::load_image(normal_map, normal_image) == OK) {
roughness_channel = Image::RoughnessChannel(roughness - 2);
}
}
Ref<Image> image;
image.instantiate();
Error err = ImageLoader::load_image(p_source_file, image, nullptr, hdr_as_srgb, scale);
if (err != OK) {
return err;
}
Array formats_imported;
if (size_limit > 0 && (image->get_width() > size_limit || image->get_height() > size_limit)) {
//limit size
if (image->get_width() >= image->get_height()) {
int new_width = size_limit;
int new_height = image->get_height() * new_width / image->get_width();
image->resize(new_width, new_height, Image::INTERPOLATE_CUBIC);
} else {
int new_height = size_limit;
int new_width = image->get_width() * new_height / image->get_height();
image->resize(new_width, new_height, Image::INTERPOLATE_CUBIC);
}
if (normal == 1) {
image->normalize();
}
}
if (fix_alpha_border) {
image->fix_alpha_edges();
}
if (premult_alpha) {
image->premultiply_alpha();
}
if (normal_map_invert_y) {
// Inverting the green channel can be used to flip a normal map's direction.
// There's no standard when it comes to normal map Y direction, so this is
// sometimes needed when using a normal map exported from another program.
// See <http://wiki.polycount.com/wiki/Normal_Map_Technical_Details#Common_Swizzle_Coordinates>.
const int height = image->get_height();
const int width = image->get_width();
for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) {
const Color color = image->get_pixel(i, j);
image->set_pixel(i, j, Color(color.r, 1 - color.g, color.b));
}
}
}
if (compress_mode == COMPRESS_BASIS_UNIVERSAL && image->get_format() >= Image::FORMAT_RF) {
//basis universal does not support float formats, fall back
compress_mode = COMPRESS_VRAM_COMPRESSED;
}
bool detect_3d = int(p_options["detect_3d/compress_to"]) > 0;
bool detect_roughness = roughness == 0;
bool detect_normal = normal == 0;
bool force_normal = normal == 1;
bool srgb_friendly_pack = pack_channels == 0;
if (compress_mode == COMPRESS_VRAM_COMPRESSED) {
//must import in all formats, in order of priority (so platform choses the best supported one. IE, etc2 over etc).
//Android, GLES 2.x
bool ok_on_pc = false;
bool is_hdr = (image->get_format() >= Image::FORMAT_RF && image->get_format() <= Image::FORMAT_RGBE9995);
bool is_ldr = (image->get_format() >= Image::FORMAT_L8 && image->get_format() <= Image::FORMAT_RGB565);
bool can_bptc = ProjectSettings::get_singleton()->get("rendering/textures/vram_compression/import_bptc");
bool can_s3tc = ProjectSettings::get_singleton()->get("rendering/textures/vram_compression/import_s3tc");
if (can_bptc) {
//add to the list anyway
formats_imported.push_back("bptc");
}
bool can_compress_hdr = hdr_compression > 0;
bool has_alpha = image->detect_alpha() != Image::ALPHA_NONE;
if (is_hdr && can_compress_hdr) {
if (has_alpha) {
//can compress hdr, but hdr with alpha is not compressible
if (hdr_compression == 2) {
//but user selected to compress hdr anyway, so force an alpha-less format.
if (image->get_format() == Image::FORMAT_RGBAF) {
image->convert(Image::FORMAT_RGBF);
} else if (image->get_format() == Image::FORMAT_RGBAH) {
image->convert(Image::FORMAT_RGBH);
}
} else {
can_compress_hdr = false;
}
}
if (can_compress_hdr) {
if (!can_bptc) {
//fallback to RGBE99995
if (image->get_format() != Image::FORMAT_RGBE9995) {
image->convert(Image::FORMAT_RGBE9995);
}
}
} else {
can_bptc = false;
}
}
if (is_ldr && can_bptc) {
if (bptc_ldr == 0 || (bptc_ldr == 1 && !has_alpha)) {
can_bptc = false;
}
}
if (can_bptc || can_s3tc) {
_save_stex(image, p_save_path + ".s3tc.stex", compress_mode, lossy, can_bptc ? Image::COMPRESS_BPTC : Image::COMPRESS_S3TC, mipmaps, stream, detect_3d, detect_roughness, detect_normal, force_normal, srgb_friendly_pack, false, mipmap_limit, normal_image, roughness_channel);
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_stex(image, p_save_path + ".etc2.stex", compress_mode, lossy, Image::COMPRESS_ETC2, mipmaps, stream, detect_3d, detect_roughness, detect_normal, force_normal, srgb_friendly_pack, true, mipmap_limit, normal_image, roughness_channel);
r_platform_variants->push_back("etc2");
formats_imported.push_back("etc2");
}
if (ProjectSettings::get_singleton()->get("rendering/textures/vram_compression/import_etc")) {
_save_stex(image, p_save_path + ".etc.stex", compress_mode, lossy, Image::COMPRESS_ETC, mipmaps, stream, detect_3d, detect_roughness, detect_normal, force_normal, srgb_friendly_pack, true, mipmap_limit, normal_image, roughness_channel);
r_platform_variants->push_back("etc");
formats_imported.push_back("etc");
}
if (ProjectSettings::get_singleton()->get("rendering/textures/vram_compression/import_pvrtc")) {
_save_stex(image, p_save_path + ".pvrtc.stex", compress_mode, lossy, Image::COMPRESS_PVRTC1_4, mipmaps, stream, detect_3d, detect_roughness, detect_normal, force_normal, srgb_friendly_pack, true, mipmap_limit, normal_image, roughness_channel);
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_stex(image, p_save_path + ".stex", compress_mode, lossy, Image::COMPRESS_S3TC /*this is ignored */, mipmaps, stream, detect_3d, detect_roughness, detect_normal, force_normal, srgb_friendly_pack, false, mipmap_limit, normal_image, roughness_channel);
}
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 *ResourceImporterTexture::compression_formats[] = {
"bptc",
"s3tc",
"etc",
"etc2",
"pvrtc",
nullptr
};
String ResourceImporterTexture::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 ResourceImporterTexture::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;
}
ResourceImporterTexture *ResourceImporterTexture::singleton = nullptr;
ResourceImporterTexture::ResourceImporterTexture() {
singleton = this;
StreamTexture2D::request_3d_callback = _texture_reimport_3d;
StreamTexture2D::request_roughness_callback = _texture_reimport_roughness;
StreamTexture2D::request_normal_callback = _texture_reimport_normal;
}
ResourceImporterTexture::~ResourceImporterTexture() {
}
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