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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 "editor/editor_file_system.h"
#include "editor/editor_node.h"
#include "scene/resources/texture.h"
void ResourceImporterTexture::_texture_reimport_srgb(const Ref<StreamTexture> &p_tex) {
singleton->mutex.lock();
StringName path = p_tex->get_path();
if (!singleton->make_flags.has(path)) {
singleton->make_flags[path] = 0;
}
singleton->make_flags[path] |= MAKE_SRGB_FLAG;
singleton->mutex.unlock();
}
void ResourceImporterTexture::_texture_reimport_3d(const Ref<StreamTexture> &p_tex) {
singleton->mutex.lock();
StringName path = p_tex->get_path();
if (!singleton->make_flags.has(path)) {
singleton->make_flags[path] = 0;
}
singleton->make_flags[path] |= MAKE_3D_FLAG;
singleton->mutex.unlock();
}
void ResourceImporterTexture::_texture_reimport_normal(const Ref<StreamTexture> &p_tex) {
singleton->mutex.lock();
StringName path = p_tex->get_path();
if (!singleton->make_flags.has(path)) {
singleton->make_flags[path] = 0;
}
singleton->make_flags[path] |= MAKE_NORMAL_FLAG;
singleton->mutex.unlock();
}
void ResourceImporterTexture::update_imports() {
if (EditorFileSystem::get_singleton()->is_scanning() || EditorFileSystem::get_singleton()->is_importing()) {
return; // do nothing for now
}
mutex.lock();
if (make_flags.empty()) {
mutex.unlock();
return;
}
Vector<String> to_reimport;
for (Map<StringName, int>::Element *E = make_flags.front(); E; E = E->next()) {
Ref<ConfigFile> cf;
cf.instance();
String src_path = String(E->key()) + ".import";
Error err = cf->load(src_path);
ERR_CONTINUE(err != OK);
bool changed = false;
if (E->get() & MAKE_SRGB_FLAG && int(cf->get_value("params", "flags/srgb")) == 2) {
cf->set_value("params", "flags/srgb", 1);
changed = true;
}
if (E->get() & 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() & MAKE_3D_FLAG && bool(cf->get_value("params", "detect_3d"))) {
cf->set_value("params", "detect_3d", false);
cf->set_value("params", "compress/mode", 2);
cf->set_value("params", "flags/repeat", true);
cf->set_value("params", "flags/filter", true);
cf->set_value("params", "flags/mipmaps", true);
changed = true;
}
if (changed) {
cf->save(src_path);
to_reimport.push_back(E->key());
}
}
make_flags.clear();
mutex.unlock();
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 "Texture";
}
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 "StreamTexture";
}
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_VIDEO_RAM) {
return false;
}
} else if (p_option == "compress/hdr_mode") {
int compress_mode = int(p_options["compress/mode"]);
if (compress_mode != COMPRESS_VIDEO_RAM) {
return false;
}
} else if (p_option == "compress/bptc_ldr") {
int compress_mode = int(p_options["compress/mode"]);
if (compress_mode != COMPRESS_VIDEO_RAM) {
return false;
}
if (!ProjectSettings::get_singleton()->get("rendering/vram_compression/import_bptc")) {
return false;
}
}
return true;
}
int ResourceImporterTexture::get_preset_count() const {
return 4;
}
String ResourceImporterTexture::get_preset_name(int p_idx) const {
static const char *preset_names[] = {
"2D, Detect 3D",
"2D",
"2D Pixel",
"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,Video RAM,Uncompressed", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED), p_preset == PRESET_3D ? 2 : 0));
r_options->push_back(ImportOption(PropertyInfo(Variant::REAL, "compress/lossy_quality", PROPERTY_HINT_RANGE, "0,1,0.01"), 0.7));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "compress/hdr_mode", PROPERTY_HINT_ENUM, "Enabled,Force RGBE"), 0));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "compress/bptc_ldr", PROPERTY_HINT_ENUM, "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, "flags/repeat", PROPERTY_HINT_ENUM, "Disabled,Enabled,Mirrored"), p_preset == PRESET_3D ? 1 : 0));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "flags/filter"), p_preset != PRESET_2D_PIXEL));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "flags/mipmaps"), p_preset == PRESET_3D));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "flags/anisotropic"), false));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "flags/srgb", PROPERTY_HINT_ENUM, "Disable,Enable,Detect"), 2));
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/HDR_as_SRGB"), false));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "process/invert_color"), false));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "stream"), false));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "size_limit", PROPERTY_HINT_RANGE, "0,4096,1"), 0));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "detect_3d"), p_preset == PRESET_DETECT));
r_options->push_back(ImportOption(PropertyInfo(Variant::REAL, "svg/scale", PROPERTY_HINT_RANGE, "0.001,100,0.001"), 1.0));
}
void ResourceImporterTexture::_save_stex(const Ref<Image> &p_image, const String &p_to_path, int p_compress_mode, float p_lossy_quality, Image::CompressMode p_vram_compression, bool p_mipmaps, int p_texture_flags, bool p_streamable, bool p_detect_3d, bool p_detect_srgb, bool p_force_rgbe, bool p_detect_normal, bool p_force_normal, bool p_force_po2_for_compressed) {
FileAccess *f = FileAccess::open(p_to_path, FileAccess::WRITE);
f->store_8('G');
f->store_8('D');
f->store_8('S');
f->store_8('T'); //godot streamable texture
bool resize_to_po2 = false;
if (p_compress_mode == COMPRESS_VIDEO_RAM && p_force_po2_for_compressed && (p_mipmaps || p_texture_flags & Texture::FLAG_REPEAT)) {
resize_to_po2 = true;
f->store_16(next_power_of_2(p_image->get_width()));
f->store_16(p_image->get_width());
f->store_16(next_power_of_2(p_image->get_height()));
f->store_16(p_image->get_height());
} else {
f->store_16(p_image->get_width());
f->store_16(0);
f->store_16(p_image->get_height());
f->store_16(0);
}
f->store_32(p_texture_flags);
uint32_t format = 0;
if (p_streamable)
format |= StreamTexture::FORMAT_BIT_STREAM;
if (p_mipmaps)
format |= StreamTexture::FORMAT_BIT_HAS_MIPMAPS; //mipmaps bit
if (p_detect_3d)
format |= StreamTexture::FORMAT_BIT_DETECT_3D;
if (p_detect_srgb)
format |= StreamTexture::FORMAT_BIT_DETECT_SRGB;
if (p_detect_normal)
format |= StreamTexture::FORMAT_BIT_DETECT_NORMAL;
if ((p_compress_mode == COMPRESS_LOSSLESS || p_compress_mode == COMPRESS_LOSSY) && p_image->get_format() > Image::FORMAT_RGBA8) {
p_compress_mode = COMPRESS_UNCOMPRESSED; //these can't go as lossy
}
switch (p_compress_mode) {
case COMPRESS_LOSSLESS: {
Ref<Image> image = p_image->duplicate();
if (p_mipmaps) {
image->generate_mipmaps();
} else {
image->clear_mipmaps();
}
int mmc = image->get_mipmap_count() + 1;
format |= StreamTexture::FORMAT_BIT_LOSSLESS;
f->store_32(format);
f->store_32(mmc);
for (int i = 0; i < mmc; i++) {
if (i > 0) {
image->shrink_x2();
}
PoolVector<uint8_t> data = Image::lossless_packer(image);
int data_len = data.size();
f->store_32(data_len);
PoolVector<uint8_t>::Read r = data.read();
f->store_buffer(r.ptr(), data_len);
}
} break;
case COMPRESS_LOSSY: {
Ref<Image> image = p_image->duplicate();
if (p_mipmaps) {
image->generate_mipmaps();
} else {
image->clear_mipmaps();
}
int mmc = image->get_mipmap_count() + 1;
format |= StreamTexture::FORMAT_BIT_LOSSY;
f->store_32(format);
f->store_32(mmc);
for (int i = 0; i < mmc; i++) {
if (i > 0) {
image->shrink_x2();
}
PoolVector<uint8_t> data = Image::lossy_packer(image, p_lossy_quality);
int data_len = data.size();
f->store_32(data_len);
PoolVector<uint8_t>::Read r = data.read();
f->store_buffer(r.ptr(), data_len);
}
} break;
case COMPRESS_VIDEO_RAM: {
Ref<Image> image = p_image->duplicate();
if (resize_to_po2) {
image->resize_to_po2();
}
if (p_mipmaps) {
image->generate_mipmaps(p_force_normal);
}
if (p_force_rgbe && image->get_format() >= Image::FORMAT_R8 && image->get_format() <= Image::FORMAT_RGBE9995) {
image->convert(Image::FORMAT_RGBE9995);
} else {
Image::CompressSource csource = Image::COMPRESS_SOURCE_GENERIC;
if (p_force_normal) {
csource = Image::COMPRESS_SOURCE_NORMAL;
} else if (p_texture_flags & VS::TEXTURE_FLAG_CONVERT_TO_LINEAR) {
csource = Image::COMPRESS_SOURCE_SRGB;
}
image->compress(p_vram_compression, csource, p_lossy_quality);
}
format |= image->get_format();
f->store_32(format);
PoolVector<uint8_t> data = image->get_data();
int dl = data.size();
PoolVector<uint8_t>::Read r = data.read();
f->store_buffer(r.ptr(), dl);
} break;
case COMPRESS_UNCOMPRESSED: {
Ref<Image> image = p_image->duplicate();
if (p_mipmaps) {
image->generate_mipmaps();
} else {
image->clear_mipmaps();
}
format |= image->get_format();
f->store_32(format);
PoolVector<uint8_t> data = image->get_data();
int dl = data.size();
PoolVector<uint8_t>::Read r = data.read();
f->store_buffer(r.ptr(), dl);
} break;
}
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) {
int compress_mode = p_options["compress/mode"];
float lossy = p_options["compress/lossy_quality"];
int repeat = p_options["flags/repeat"];
bool filter = p_options["flags/filter"];
bool mipmaps = p_options["flags/mipmaps"];
bool anisotropic = p_options["flags/anisotropic"];
int srgb = p_options["flags/srgb"];
bool fix_alpha_border = p_options["process/fix_alpha_border"];
bool premult_alpha = p_options["process/premult_alpha"];
bool invert_color = p_options["process/invert_color"];
bool stream = p_options["stream"];
int size_limit = p_options["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"];
bool force_rgbe = p_options["compress/hdr_mode"];
int bptc_ldr = p_options["compress/bptc_ldr"];
Ref<Image> image;
image.instance();
Error err = ImageLoader::load_image(p_source_file, image, NULL, hdr_as_srgb, scale);
if (err != OK)
return err;
Array formats_imported;
int tex_flags = 0;
if (repeat > 0)
tex_flags |= Texture::FLAG_REPEAT;
if (repeat == 2)
tex_flags |= Texture::FLAG_MIRRORED_REPEAT;
if (filter)
tex_flags |= Texture::FLAG_FILTER;
if (mipmaps || compress_mode == COMPRESS_VIDEO_RAM)
tex_flags |= Texture::FLAG_MIPMAPS;
if (anisotropic)
tex_flags |= Texture::FLAG_ANISOTROPIC_FILTER;
if (srgb == 1)
tex_flags |= Texture::FLAG_CONVERT_TO_LINEAR;
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 (invert_color) {
int height = image->get_height();
int width = image->get_width();
image->lock();
for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) {
image->set_pixel(i, j, image->get_pixel(i, j).inverted());
}
}
image->unlock();
}
bool detect_3d = p_options["detect_3d"];
bool detect_srgb = srgb == 2;
bool detect_normal = normal == 0;
bool force_normal = normal == 1;
if (compress_mode == COMPRESS_VIDEO_RAM) {
//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_RGBA5551);
bool can_bptc = ProjectSettings::get_singleton()->get("rendering/vram_compression/import_bptc");
bool can_s3tc = ProjectSettings::get_singleton()->get("rendering/vram_compression/import_s3tc");
if (can_bptc) {
Image::DetectChannels channels = image->get_detected_channels();
if (is_hdr) {
if (channels == Image::DETECTED_LA || channels == Image::DETECTED_RGBA) {
can_bptc = false;
}
} else if (is_ldr) {
//handle "RGBA Only" setting
if (bptc_ldr == 1 && channels != Image::DETECTED_LA && channels != Image::DETECTED_RGBA) {
can_bptc = false;
}
}
formats_imported.push_back("bptc");
}
if (!can_bptc && is_hdr && !force_rgbe) {
//convert to ldr if this can't be stored hdr
image->convert(Image::FORMAT_RGBA8);
}
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, tex_flags, stream, detect_3d, detect_srgb, force_rgbe, detect_normal, force_normal, false);
r_platform_variants->push_back("s3tc");
formats_imported.push_back("s3tc");
ok_on_pc = true;
}
if (ProjectSettings::get_singleton()->get("rendering/vram_compression/import_etc2")) {
_save_stex(image, p_save_path + ".etc2.stex", compress_mode, lossy, Image::COMPRESS_ETC2, mipmaps, tex_flags, stream, detect_3d, detect_srgb, force_rgbe, detect_normal, force_normal, true);
r_platform_variants->push_back("etc2");
formats_imported.push_back("etc2");
}
if (ProjectSettings::get_singleton()->get("rendering/vram_compression/import_etc")) {
_save_stex(image, p_save_path + ".etc.stex", compress_mode, lossy, Image::COMPRESS_ETC, mipmaps, tex_flags, stream, detect_3d, detect_srgb, force_rgbe, detect_normal, force_normal, true);
r_platform_variants->push_back("etc");
formats_imported.push_back("etc");
}
if (ProjectSettings::get_singleton()->get("rendering/vram_compression/import_pvrtc")) {
_save_stex(image, p_save_path + ".pvrtc.stex", compress_mode, lossy, Image::COMPRESS_PVRTC4, mipmaps, tex_flags, stream, detect_3d, detect_srgb, force_rgbe, detect_normal, force_normal, 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_stex(image, p_save_path + ".stex", compress_mode, lossy, Image::COMPRESS_S3TC /*this is ignored */, mipmaps, tex_flags, stream, detect_3d, detect_srgb, force_rgbe, detect_normal, force_normal, false);
}
if (r_metadata) {
Dictionary metadata;
metadata["vram_texture"] = compress_mode == COMPRESS_VIDEO_RAM;
if (formats_imported.size()) {
metadata["imported_formats"] = formats_imported;
}
*r_metadata = metadata;
}
return OK;
}
const char *ResourceImporterTexture::compression_formats[] = {
"bptc",
"s3tc",
"etc",
"etc2",
"pvrtc",
NULL
};
String ResourceImporterTexture::get_import_settings_string() const {
String s;
int index = 0;
while (compression_formats[index]) {
String setting_path = "rendering/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/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 = NULL;
ResourceImporterTexture::ResourceImporterTexture() {
singleton = this;
StreamTexture::request_3d_callback = _texture_reimport_3d;
StreamTexture::request_srgb_callback = _texture_reimport_srgb;
StreamTexture::request_normal_callback = _texture_reimport_normal;
}
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