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texture_loader_compat.cpp
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texture_loader_compat.cpp
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#include "texture_loader_compat.h"
#include "image_enum_compat.h"
#include "resource_loader_compat.h"
#include "webp_compat.h"
#include "utility/gdre_settings.h"
#include "core/io/file_access.h"
enum FormatBits {
FORMAT_MASK_IMAGE_FORMAT = (1 << 20) - 1,
FORMAT_BIT_LOSSLESS = 1 << 20, // v2
FORMAT_BIT_PNG = 1 << 20, // v3
FORMAT_BIT_LOSSY = 1 << 21, // v2
FORMAT_BIT_WEBP = 1 << 21, // v3
FORMAT_BIT_STREAM = 1 << 22,
FORMAT_BIT_HAS_MIPMAPS = 1 << 23,
FORMAT_BIT_DETECT_3D = 1 << 24,
FORMAT_BIT_DETECT_SRGB = 1 << 25,
FORMAT_BIT_DETECT_NORMAL = 1 << 26,
FORMAT_BIT_DETECT_ROUGNESS = 1 << 27,
};
void TextureLoaderCompat::_bind_methods() {}
TextureLoaderCompat::TextureVersionType TextureLoaderCompat::recognize(const String &p_path, Error *r_err) {
Error err;
if (!r_err) {
r_err = &err;
}
const String res_path = GDRESettings::get_singleton()->get_res_path(p_path);
Ref<FileAccess> f = FileAccess::open(res_path, FileAccess::READ, r_err);
ERR_FAIL_COND_V_MSG(*r_err != OK || f.is_null(), FORMAT_NOT_TEXTURE, "Can't open texture file " + p_path);
uint8_t header[4];
f->get_buffer(header, 4);
//Only reading the header
if (header[0] == 'G' && header[1] == 'D' && header[2] == 'S' && header[3] == 'T') {
return TextureVersionType::FORMAT_V3_STREAM_TEXTURE2D;
} else if (header[0] == 'G' && header[1] == 'D' && header[2] == '3' && header[3] == 'T') {
return TextureVersionType::FORMAT_V3_STREAM_TEXTURE3D;
} else if (header[0] == 'G' && header[1] == 'D' && header[2] == 'A' && header[3] == 'T') {
return TextureVersionType::FORMAT_V3_STREAM_TEXTUREARRAY;
} else if (header[0] == 'G' && header[1] == 'S' && header[2] == 'T' && header[3] == 'L') {
String ext = p_path.get_extension();
if (ext == "ctexarray" || ext == "ccube" || ext == "ccubearray") {
return TextureVersionType::FORMAT_V4_COMPRESSED_TEXTURELAYERED;
}
return TextureVersionType::FORMAT_V4_COMPRESSED_TEXTURE3D;
} else if (header[0] == 'G' && header[1] == 'S' && header[2] == 'T' && header[3] == '2') {
return TextureVersionType::FORMAT_V4_COMPRESSED_TEXTURE2D;
} else if ((header[0] == 'R' && header[1] == 'S' && header[2] == 'R' && header[3] == 'C') ||
(header[0] == 'R' && header[1] == 'S' && header[2] == 'C' && header[3] == 'C')) {
// check if this is a V2 texture
ResourceFormatLoaderCompat rlc;
Ref<ImportInfo> i_info = ImportInfo::load_from_file(res_path);
if (*r_err == ERR_PRINTER_ON_FIRE) {
// no import metadata
*r_err = OK;
} else if (*r_err) {
ERR_FAIL_V_MSG(FORMAT_NOT_TEXTURE, "Can't open texture file " + p_path);
}
String type = i_info->get_type();
if (type == "Texture") {
return FORMAT_V2_TEXTURE;
} else if (type == "ImageTexture") {
return FORMAT_V2_IMAGE_TEXTURE;
} else if (type == "AtlasTexture") {
return FORMAT_V2_ATLAS_TEXTURE;
} else if (type == "LargeTexture") {
return FORMAT_V2_LARGE_TEXTURE;
} else if (type == "CubeMap") {
return FORMAT_V2_CUBEMAP;
}
}
*r_err = ERR_FILE_UNRECOGNIZED;
return FORMAT_NOT_TEXTURE;
}
int TextureLoaderCompat::get_ver_major_from_textype(TextureVersionType type) {
switch (type) {
case FORMAT_V2_TEXTURE:
case FORMAT_V2_IMAGE_TEXTURE:
case FORMAT_V2_ATLAS_TEXTURE:
case FORMAT_V2_LARGE_TEXTURE:
case FORMAT_V2_CUBEMAP:
return 2;
case FORMAT_V3_STREAM_TEXTURE2D:
case FORMAT_V3_STREAM_TEXTURE3D:
case FORMAT_V3_STREAM_TEXTUREARRAY:
return 3;
case FORMAT_V4_COMPRESSED_TEXTURE2D:
case FORMAT_V4_COMPRESSED_TEXTURE3D:
case FORMAT_V4_COMPRESSED_TEXTURELAYERED:
return 4;
default:
return -1;
}
}
TextureLoaderCompat::TextureType TextureLoaderCompat::get_type_enum_from_version_type(TextureVersionType type) {
switch (type) {
// layered
case FORMAT_V2_LARGE_TEXTURE:
case FORMAT_V2_CUBEMAP:
case FORMAT_V3_STREAM_TEXTUREARRAY:
case FORMAT_V4_COMPRESSED_TEXTURELAYERED:
return TEXTURE_TYPE_LAYERED;
// 3d
case FORMAT_V3_STREAM_TEXTURE3D:
case FORMAT_V4_COMPRESSED_TEXTURE3D:
return TEXTURE_TYPE_3D;
// 2d
case FORMAT_V2_TEXTURE:
case FORMAT_V2_IMAGE_TEXTURE:
case FORMAT_V3_STREAM_TEXTURE2D:
case FORMAT_V4_COMPRESSED_TEXTURE2D:
return TEXTURE_TYPE_2D;
case FORMAT_V2_ATLAS_TEXTURE:
return TEXTURE_TYPE_ATLAS;
default:
return TEXTURE_TYPE_UNKNOWN;
}
}
String TextureLoaderCompat::get_type_name_from_textype(TextureVersionType type) {
switch (type) {
case FORMAT_V2_TEXTURE:
return "Texture";
case FORMAT_V2_IMAGE_TEXTURE:
return "ImageTexture";
case FORMAT_V2_ATLAS_TEXTURE:
return "AtlasTexture";
case FORMAT_V2_LARGE_TEXTURE:
return "LargeTexture";
case FORMAT_V2_CUBEMAP:
return "CubeMap";
case FORMAT_V3_STREAM_TEXTURE2D:
return "StreamTexture";
case FORMAT_V3_STREAM_TEXTURE3D:
return "StreamTexture3D";
case FORMAT_V3_STREAM_TEXTUREARRAY:
return "StreamTextureArray";
case FORMAT_V4_COMPRESSED_TEXTURE2D:
return "CompressedTexture2D";
case FORMAT_V4_COMPRESSED_TEXTURE3D:
return "CompressedTexture3D";
case FORMAT_V4_COMPRESSED_TEXTURELAYERED:
return "CompressedTextureLayered";
default:
return "Unknown";
}
}
Error TextureLoaderCompat::load_image_from_fileV3(Ref<FileAccess> f, int tw, int th, int tw_custom, int th_custom, int flags, int p_size_limit, uint32_t df, Ref<Image> &image) const {
Image::Format format;
if (!(df & FORMAT_BIT_STREAM)) {
// do something??
}
if (df & FORMAT_BIT_PNG || df & FORMAT_BIT_WEBP) {
//look for a PNG or WEBP file inside
int sw = tw;
int sh = th;
uint32_t mipmaps = f->get_32();
uint32_t size = f->get_32();
//print_line("mipmaps: " + itos(mipmaps));
while (mipmaps > 1 && p_size_limit > 0 && (sw > p_size_limit || sh > p_size_limit)) {
f->seek(f->get_position() + size);
mipmaps = f->get_32();
size = f->get_32();
sw = MAX(sw >> 1, 1);
sh = MAX(sh >> 1, 1);
mipmaps--;
}
// mipmaps need to be read independently, they will be later combined
Vector<Ref<Image>> mipmap_images;
int total_size = 0;
for (uint32_t i = 0; i < mipmaps; i++) {
if (i) {
size = f->get_32();
}
Vector<uint8_t> pv;
pv.resize(size);
{
uint8_t *wr = pv.ptrw();
f->get_buffer(wr, size);
}
Ref<Image> img;
if (df & FORMAT_BIT_PNG) {
img = Image::png_unpacker(pv);
} else {
img = WebPCompat::webp_unpack_v2v3(pv);
}
ERR_FAIL_COND_V_MSG(img.is_null() || img->is_empty(), ERR_FILE_CORRUPT, "File is corrupt");
if (i != 0) {
img->convert(mipmap_images[0]->get_format()); // ensure the same format for all mipmaps
}
total_size += img->get_data().size();
mipmap_images.push_back(img);
}
//print_line("mipmap read total: " + itos(mipmap_images.size()));
format = mipmap_images[0]->get_format();
if (mipmap_images.size() == 1) {
image = mipmap_images[0];
} else {
Vector<uint8_t> img_data;
img_data.resize(total_size);
{
uint8_t *wr = img_data.ptrw();
int ofs = 0;
for (int i = 0; i < mipmap_images.size(); i++) {
Vector<uint8_t> id = mipmap_images[i]->get_data();
int len = id.size();
const uint8_t *r = id.ptr();
memcpy(&wr[ofs], r, len);
ofs += len;
}
}
image->initialize_data(tw, th, true, format, img_data);
}
} else {
//look for regular format
uint32_t v3_fmt = df & FORMAT_MASK_IMAGE_FORMAT;
format = ImageEnumCompat::convert_image_format_enum_v3_to_v4(V3Image::Format(v3_fmt));
if (format == Image::FORMAT_MAX) {
// deprecated format
ERR_FAIL_COND_V_MSG(v3_fmt > 0 && v3_fmt < V3Image::FORMAT_MAX, ERR_UNAVAILABLE,
"Support for deprecated texture format " + ImageEnumCompat::get_v3_format_name(V3Image::Format(v3_fmt)) + " is unimplemented.");
ERR_FAIL_V_MSG(ERR_FILE_CORRUPT, "Texture is in an invalid format");
}
bool mipmaps = df & FORMAT_BIT_HAS_MIPMAPS;
if (!mipmaps) {
int size = Image::get_image_data_size(tw, th, format, false);
Vector<uint8_t> img_data;
img_data.resize(size);
{
uint8_t *wr = img_data.ptrw();
f->get_buffer(wr, size);
}
image->initialize_data(tw, th, false, format, img_data);
} else {
int sw = tw;
int sh = th;
int mipmaps2 = Image::get_image_required_mipmaps(tw, th, format);
int total_size = Image::get_image_data_size(tw, th, format, true);
int idx = 0;
while (mipmaps2 > 1 && p_size_limit > 0 && (sw > p_size_limit || sh > p_size_limit)) {
sw = MAX(sw >> 1, 1);
sh = MAX(sh >> 1, 1);
mipmaps2--;
idx++;
}
int ofs = Image::get_image_mipmap_offset(tw, th, format, idx);
ERR_FAIL_COND_V_MSG(total_size - ofs <= 0, ERR_FILE_CORRUPT,
"Failed to create image of format " + Image::get_format_name(format) + "from texture");
f->seek(f->get_position() + ofs);
Vector<uint8_t> img_data;
img_data.resize(total_size - ofs);
{
uint8_t *wr = img_data.ptrw();
int bytes = f->get_buffer(wr, total_size - ofs);
//print_line("requested read: " + itos(total_size - ofs) + " but got: " + itos(bytes));
int expected = total_size - ofs;
if (bytes < expected) {
// this is a compatibility workaround for older format, which saved less mipmaps2. It is still recommended the image is reimported.
memset(wr + bytes, 0, (expected - bytes));
}
ERR_FAIL_COND_V(bytes != expected, ERR_FILE_CORRUPT);
}
image->initialize_data(sw, sh, true, format, img_data);
}
}
ERR_FAIL_COND_V_MSG(image.is_null() || image->is_empty(), ERR_FILE_CORRUPT, "Failed to create image of format " + Image::get_format_name(format) + "from texture");
return OK;
}
class OverrideTexture2D : public CompressedTexture2D {
public:
Ref<Image> image;
virtual Ref<Image> get_image() const override {
// otherwise, call the parent
return image;
}
};
class faketex2D : Texture2D {
GDCLASS(faketex2D, Texture2D);
public:
String path_to_file;
mutable RID texture;
Image::Format format = Image::FORMAT_L8;
int w = 0;
int h = 0;
mutable Ref<BitMap> alpha_cache;
};
static_assert(sizeof(faketex2D) == sizeof(CompressedTexture2D), "faketex2D must be the same size as CompressedTexture2D");
Ref<CompressedTexture2D> TextureLoaderCompat::_load_texture2d(const String &p_path, Ref<Image> &image, bool &size_override, int ver_major, Error *r_err) const {
int lw, lh, lwc, lhc, lflags;
Error err;
Ref<CompressedTexture2D> texture;
Ref<OverrideTexture2D> override_texture;
if (ver_major == 2) {
err = _load_data_tex_v2(p_path, lw, lh, lwc, lhc, lflags, image);
} else if (ver_major == 3) {
err = _load_data_stex2d_v3(p_path, lw, lh, lwc, lhc, lflags, image);
} else if (ver_major == 4) {
err = _load_data_ctex2d_v4(p_path, lw, lh, lwc, lhc, image);
} else {
err = ERR_INVALID_PARAMETER;
}
if (r_err)
*r_err = err;
// deprecated format
if (err == ERR_UNAVAILABLE) {
return texture;
}
ERR_FAIL_COND_V_MSG(err != OK, texture, "Failed to load image from texture file " + p_path);
if (glft_export) {
override_texture.instantiate();
override_texture->image = image;
texture = override_texture;
} else {
texture.instantiate();
}
faketex2D *fake = reinterpret_cast<faketex2D *>(texture.ptr());
fake->w = lwc ? lwc : lw;
fake->h = lhc ? lhc : lh;
fake->format = image->get_format();
fake->path_to_file = p_path;
size_override = lwc || lhc;
// alpha_cache gets generated dynamically if necessary
// we no longer care about flags, apparently
return texture;
}
Error TextureLoaderCompat::_load_data_tex_v2(const String &p_path, int &tw, int &th, int &tw_custom, int &th_custom, int &flags, Ref<Image> &image) const {
Error err;
Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ, &err);
ERR_FAIL_COND_V_MSG(err != OK, err, "Cannot open file '" + p_path + "'.");
ResourceLoaderCompat *loader = memnew(ResourceLoaderCompat);
loader->fake_load = true;
loader->local_path = p_path;
loader->res_path = p_path;
loader->convert_v2image_indexed = true;
loader->hacks_for_deprecated_v2img_formats = false;
err = loader->open_bin(f);
ERR_RFLBC_COND_V_MSG_CLEANUP(err != OK, err, "Cannot open resource '" + p_path + "'.", loader);
err = loader->load();
// deprecated format
if (err == ERR_UNAVAILABLE) {
memdelete(loader);
return ERR_UNAVAILABLE;
}
ERR_RFLBC_COND_V_MSG_CLEANUP(err != OK, err, "Cannot load resource '" + p_path + "'.", loader);
tw_custom = 0;
th_custom = 0;
String name;
Vector2 size;
// Load the main resource, which should be the ImageTexture
List<ResourceProperty> lrp = loader->internal_index_cached_properties[loader->res_path];
for (List<ResourceProperty>::Element *PE = lrp.front(); PE; PE = PE->next()) {
ResourceProperty pe = PE->get();
if (pe.name == "resource/name") {
name = pe.value;
} else if (pe.name == "image") {
image = pe.value;
} else if (pe.name == "size") {
size = pe.value;
} else if (pe.name == "flags") {
flags = (int)pe.value;
}
}
ERR_RFLBC_COND_V_MSG_CLEANUP(image.is_null(), ERR_FILE_CORRUPT, "Cannot load resource '" + p_path + "'.", loader);
image->set_name(name);
tw = image->get_width();
th = image->get_height();
if (tw != size.width) {
tw_custom = size.width;
}
if (th != size.height) {
th_custom = size.height;
}
memdelete(loader);
return OK;
}
Error TextureLoaderCompat::_load_data_stex2d_v3(const String &p_path, int &tw, int &th, int &tw_custom, int &th_custom, int &flags, Ref<Image> &image, int p_size_limit) const {
Error err;
Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ, &err);
ERR_FAIL_COND_V_MSG(f.is_null(), err, "Can't open image file for loading: " + p_path);
uint8_t header[4];
f->get_buffer(header, 4);
// already checked
tw = f->get_16();
tw_custom = f->get_16();
th = f->get_16();
th_custom = f->get_16();
flags = f->get_32(); // texture flags!
uint32_t df = f->get_32(); // data format
p_size_limit = 0;
if (image.is_null()) {
image.instantiate();
}
err = load_image_from_fileV3(f, tw, th, tw_custom, th_custom, flags, p_size_limit, df, image);
ERR_FAIL_COND_V_MSG(err != OK, err, "Failed to load image from texture file " + p_path);
/*
print_line("width: " + itos(tw));
print_line("height: " + itos(th));
print_line("flags: " + itos(flags));
print_line("df: " + itos(df));
*/
return OK;
}
Error TextureLoaderCompat::_load_data_ctex2d_v4(const String &p_path, int &tw, int &th, int &tw_custom, int &th_custom, Ref<Image> &image, int p_size_limit) const {
Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ);
uint8_t header[4];
// already checked header
f->get_buffer(header, 4);
uint32_t version = f->get_32();
if (version > CompressedTexture2D::FORMAT_VERSION) {
ERR_FAIL_V_MSG(ERR_FILE_CORRUPT, "Compressed texture file is too new.");
}
tw_custom = f->get_32();
th_custom = f->get_32();
uint32_t df = f->get_32(); //data format
//skip reserved
f->get_32(); // mipmap_limit, unused
//reserved
f->get_32();
f->get_32();
f->get_32();
if (!(df & FORMAT_BIT_STREAM)) {
p_size_limit = 0;
}
image = CompressedTexture2D::load_image_from_file(f, p_size_limit);
if (image.is_null() || image->is_empty()) {
return ERR_CANT_OPEN;
}
if (!tw_custom) {
tw = image->get_width();
}
if (!th_custom) {
th = image->get_height();
}
return OK;
}
Error TextureLoaderCompat::_load_layered_texture_v3(const String &p_path, Vector<Ref<Image>> &r_data, Image::Format &r_format, int &r_width, int &r_height, int &r_depth, bool &r_mipmaps) const {
Error err;
Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ, &err);
ERR_FAIL_COND_V_MSG(f.is_null(), err, "Cannot open file '" + p_path + "'.");
uint8_t header[5] = { 0, 0, 0, 0, 0 };
f->get_buffer(header, 4);
// already checked
int tw = f->get_32();
int th = f->get_32();
int td = f->get_32();
int flags = f->get_32(); //texture flags!
Image::Format format = ImageEnumCompat::convert_image_format_enum_v3_to_v4(V3Image::Format(f->get_32()));
ERR_FAIL_COND_V_MSG(format == Image::FORMAT_MAX, ERR_FILE_CORRUPT, "Textured layer is in an invalid or deprecated format");
uint32_t compression = f->get_32(); // 0 - lossless (PNG), 1 - vram, 2 - uncompressed
for (int layer = 0; layer < td; layer++) {
Ref<Image> image;
image.instantiate();
if (compression == 0) { // COMPRESSION_LOSSLESS
// look for a PNG file inside
int mipmaps = f->get_32();
Vector<Ref<Image>> mipmap_images;
for (int i = 0; i < mipmaps; i++) {
uint32_t size = f->get_32();
Vector<uint8_t> pv;
pv.resize(size);
{
f->get_buffer(pv.ptrw(), size);
}
Ref<Image> img = Image::png_unpacker(pv);
if (img.is_null() || img->is_empty() || format != img->get_format()) {
ERR_FAIL_V(ERR_FILE_CORRUPT);
}
mipmap_images.push_back(img);
}
if (mipmap_images.size() == 1) {
image = mipmap_images[0];
} else {
int total_size = Image::get_image_data_size(tw, th, format, true);
Vector<uint8_t> img_data;
img_data.resize(total_size);
{
int ofs = 0;
for (int i = 0; i < mipmap_images.size(); i++) {
Vector<uint8_t> id = mipmap_images[i]->get_data();
int len = id.size();
memcpy(&img_data.ptrw()[ofs], id.ptr(), len);
ofs += len;
}
}
image->initialize_data(tw, th, true, format, img_data);
if (image->is_empty()) {
ERR_FAIL_V(ERR_FILE_CORRUPT);
}
}
} else {
// look for regular format
bool mipmaps = (flags & 1); // Texture::FLAG_MIPMAPS
int total_size = Image::get_image_data_size(tw, th, format, mipmaps);
Vector<uint8_t> img_data;
img_data.resize(total_size);
{
int bytes = f->get_buffer(img_data.ptrw(), total_size);
if (bytes != total_size) {
ERR_FAIL_V(ERR_FILE_CORRUPT);
}
}
image->initialize_data(tw, th, mipmaps, format, img_data);
}
r_data.push_back(image);
}
return OK;
}
Error TextureLoaderCompat::_load_data_ctexlayered_v4(const String &p_path, Vector<Ref<Image>> &r_data, Image::Format &r_format, int &r_width, int &r_height, int &r_depth, int &r_type, bool &r_mipmaps) const {
Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ);
ERR_FAIL_COND_V_MSG(f.is_null(), ERR_CANT_OPEN, vformat("Unable to open file: %s.", p_path));
uint8_t header[4];
f->get_buffer(header, 4);
ERR_FAIL_COND_V(header[0] != 'G' || header[1] != 'S' || header[2] != 'T' || header[3] != 'L', ERR_FILE_UNRECOGNIZED);
// stored as stream textures (used for lossless and lossy compression)
uint32_t version = f->get_32();
if (version > 1) {
ERR_FAIL_V_MSG(ERR_FILE_CORRUPT, "Stream texture file is too new.");
}
r_depth = f->get_32(); //depth or layer count (CompressedTextureLayered)
r_type = f->get_32(); //type
f->get_32(); //data format
f->get_32(); // mipmap limit, pretty sure it's ignored?
int mipmaps = f->get_32();
f->get_32(); // ignored
f->get_32(); // ignored
r_mipmaps = mipmaps != 0;
r_data.clear();
String ext = p_path.get_extension();
bool is_layered = false;
if (ext == "stexarray" || ext == "scube" || ext == "scubearray" ||
ext == "ctexarray" || ext == "ccube" || ext == "ccubearray") {
is_layered = true;
}
int limit = is_layered ? r_depth : r_depth + mipmaps;
for (int i = 0; i < limit; i++) {
Ref<Image> image = CompressedTexture2D::load_image_from_file(f, 0);
ERR_FAIL_COND_V(image.is_null() || image->is_empty(), ERR_CANT_OPEN);
if (i == 0) {
r_format = image->get_format();
r_width = image->get_width();
r_height = image->get_height();
}
r_data.push_back(image);
}
return OK;
}
class OverrideTexture3D : public CompressedTexture3D {
public:
Vector<Ref<Image>> data;
virtual Vector<Ref<Image>> get_data() const override {
return data;
}
};
class faketex3D : Texture3D {
GDCLASS(faketex3D, Texture3D);
public:
String path_to_file;
mutable RID texture;
Image::Format format = Image::FORMAT_L8;
int w = 0;
int h = 0;
int d = 0;
bool mipmaps = false;
};
static_assert(sizeof(faketex3D) == sizeof(CompressedTexture3D), "faketex3D must be the same size as CompressedTexture3D");
Ref<CompressedTexture3D> TextureLoaderCompat::_load_texture3d(const String p_path, Vector<Ref<Image>> &r_data, Error *r_err, int ver_major) const {
int lw, lh, ld, ltype;
bool mipmaps;
Image::Format fmt;
Error err;
Ref<CompressedTexture3D> texture;
Ref<OverrideTexture3D> override_texture;
if (ver_major == 2) {
err = ERR_UNAVAILABLE;
} else if (ver_major == 3) {
err = _load_layered_texture_v3(p_path, r_data, fmt, lw, lh, ld, mipmaps);
} else if (ver_major == 4) {
err = _load_data_ctexlayered_v4(p_path, r_data, fmt, lw, lh, ld, ltype, mipmaps);
} else {
err = ERR_INVALID_PARAMETER;
}
if (r_err)
*r_err = err;
ERR_FAIL_COND_V_MSG(err == ERR_UNAVAILABLE, texture, "V2 Texture3d conversion unimplemented");
ERR_FAIL_COND_V_MSG(err != OK, texture, "Failed to load image from texture file " + p_path);
if (glft_export) {
override_texture.instantiate();
override_texture->data = r_data;
texture = override_texture;
} else {
texture.instantiate();
}
faketex3D *fake = reinterpret_cast<faketex3D *>(texture.ptr());
fake->w = lw;
fake->h = lh;
fake->d = ld;
fake->mipmaps = mipmaps;
fake->format = fmt;
fake->path_to_file = p_path;
return texture;
}
template <class T>
class OverrideTextureLayered : public T {
static_assert(std::is_base_of<TextureLayered, T>::value, "T must be a subclass of TextureLayered");
public:
Vector<Ref<Image>> layer_data;
virtual Ref<Image> get_layer_data(int layer) const override {
return layer_data[layer];
}
};
class faketexlayered : TextureLayered {
GDCLASS(faketexlayered, TextureLayered);
public:
String path_to_file;
mutable RID texture;
Image::Format format = Image::FORMAT_L8;
int w = 0;
int h = 0;
int layers = 0;
bool mipmaps = false;
LayeredType layered_type = LayeredType::LAYERED_TYPE_2D_ARRAY;
};
static_assert(sizeof(faketexlayered) == sizeof(CompressedTextureLayered), "faketexlayered must be the same size as CompressedTextureLayered");
Ref<CompressedTextureLayered> TextureLoaderCompat::_load_texture_layered(const String p_path, Vector<Ref<Image>> &r_data, int &type, Error *r_err, int ver_major) const {
int lw, lh, ld;
bool mipmaps;
Image::Format fmt;
Error err;
if (ver_major == 2) {
err = ERR_UNAVAILABLE;
} else if (ver_major == 3) {
err = _load_layered_texture_v3(p_path, r_data, fmt, lw, lh, ld, mipmaps);
type = 0;
} else if (ver_major == 4) {
err = _load_data_ctexlayered_v4(p_path, r_data, fmt, lw, lh, ld, type, mipmaps);
} else {
err = ERR_INVALID_PARAMETER;
}
if (r_err)
*r_err = err;
ERR_FAIL_COND_V_MSG(err == ERR_UNAVAILABLE, Ref<Resource>(), "V2 TextureLayered conversion unimplemented");
ERR_FAIL_COND_V_MSG(err != OK, Ref<Resource>(), "Failed to load image from texture file " + p_path);
Ref<CompressedTextureLayered> texture;
TextureLayered::LayeredType tl_type = TextureLayered::LayeredType::LAYERED_TYPE_2D_ARRAY;
if (type == RS::TEXTURE_LAYERED_2D_ARRAY) {
if (glft_export) {
Ref<OverrideTextureLayered<CompressedTexture2DArray>> override_texture;
override_texture.instantiate();
override_texture->layer_data = r_data;
texture = override_texture;
} else {
texture = Ref<CompressedTexture2DArray>();
}
tl_type = TextureLayered::LayeredType::LAYERED_TYPE_2D_ARRAY;
} else if (type == RS::TEXTURE_LAYERED_CUBEMAP) {
if (glft_export) {
Ref<OverrideTextureLayered<CompressedCubemap>> override_texture;
override_texture.instantiate();
override_texture->layer_data = r_data;
texture = override_texture;
} else {
texture = Ref<CompressedCubemap>();
}
tl_type = TextureLayered::LayeredType::LAYERED_TYPE_CUBEMAP;
} else if (type == RS::TEXTURE_LAYERED_CUBEMAP_ARRAY) {
if (glft_export) {
Ref<OverrideTextureLayered<CompressedCubemapArray>> override_texture;
override_texture.instantiate();
override_texture->layer_data = r_data;
texture = override_texture;
} else {
texture = Ref<CompressedCubemapArray>();
}
tl_type = TextureLayered::LayeredType::LAYERED_TYPE_CUBEMAP_ARRAY;
}
faketexlayered *fake = reinterpret_cast<faketexlayered *>(texture.ptr());
fake->w = lw;
fake->h = lh;
fake->layers = r_data.size();
fake->mipmaps = mipmaps;
fake->format = fmt;
fake->path_to_file = p_path;
fake->layered_type = tl_type;
return texture;
}
Ref<CompressedTextureLayered> TextureLoaderCompat::load_texture_layered(const String p_path, Error *r_err) {
Error err;
const String res_path = GDRESettings::get_singleton()->get_res_path(p_path);
TextureLoaderCompat::TextureVersionType t = recognize(res_path, &err);
if (t == FORMAT_NOT_TEXTURE) {
if (r_err) {
*r_err = err;
}
ERR_FAIL_COND_V_MSG(err == ERR_FILE_UNRECOGNIZED, Ref<CompressedTextureLayered>(), "File " + p_path + " is not a texture.");
ERR_FAIL_COND_V(err != OK, Ref<CompressedTextureLayered>());
}
int ver_major = get_ver_major_from_textype(t);
ERR_FAIL_COND_V_MSG(get_type_enum_from_version_type(t) != TEXTURE_TYPE_LAYERED,
Ref<Image>(), "Not a layered texture: " + res_path);
Ref<CompressedTexture3D> texture;
Vector<Ref<Image>> r_data;
int type;
texture = _load_texture_layered(res_path, r_data, type, &err, ver_major);
if (r_err) {
*r_err = err;
}
ERR_FAIL_COND_V_MSG(err != OK, texture, "Couldn't load texture");
// put the texture into the rendering server
RID texture_rid = RS::get_singleton()->texture_2d_layered_create(r_data, RS::TextureLayeredType(type));
faketexlayered *fake = reinterpret_cast<faketexlayered *>(texture.ptr());
fake->texture = texture_rid;
String local_path = GDRESettings::get_singleton()->localize_path(p_path);
RS::get_singleton()->texture_set_path(texture_rid, local_path);
texture->set_path(local_path, false);
return texture;
}
Ref<CompressedTexture3D> TextureLoaderCompat::load_texture3d(const String p_path, Error *r_err) {
Error err;
const String res_path = GDRESettings::get_singleton()->get_res_path(p_path);
TextureLoaderCompat::TextureVersionType t = recognize(res_path, &err);
if (t == FORMAT_NOT_TEXTURE) {
if (r_err) {
*r_err = err;
}
ERR_FAIL_COND_V_MSG(err == ERR_FILE_UNRECOGNIZED, Ref<CompressedTexture3D>(), "File " + p_path + " is not a texture.");
ERR_FAIL_COND_V(err != OK, Ref<CompressedTexture3D>());
}
int ver_major = get_ver_major_from_textype(t);
ERR_FAIL_COND_V_MSG(get_type_enum_from_version_type(t) != TEXTURE_TYPE_3D,
Ref<CompressedTexture3D>(), "Not a 3d image texture: " + res_path);
Ref<CompressedTexture3D> texture;
Vector<Ref<Image>> r_data;
texture = _load_texture3d(p_path, r_data, &err, ver_major);
if (r_err) {
*r_err = err;
}
ERR_FAIL_COND_V_MSG(err != OK, texture, "Couldn't load texture");
// put the texture into the rendering server
RID texture_rid = RS::get_singleton()->texture_3d_create(texture->get_format(),
texture->get_width(),
texture->get_height(),
texture->get_depth(),
texture->has_mipmaps(),
r_data);
faketex3D *fake = reinterpret_cast<faketex3D *>(texture.ptr());
fake->texture = texture_rid;
String local_path = GDRESettings::get_singleton()->localize_path(p_path);
RS::get_singleton()->texture_set_path(texture_rid, local_path);
texture->set_path(local_path, false);
return texture;
}
Ref<CompressedTexture2D> TextureLoaderCompat::load_texture2d(const String p_path, Error *r_err) {
Error err;
const String res_path = GDRESettings::get_singleton()->get_res_path(p_path);
TextureLoaderCompat::TextureVersionType t = recognize(res_path, &err);
if (t == FORMAT_NOT_TEXTURE) {
if (r_err) {
*r_err = err;
}
ERR_FAIL_COND_V_MSG(err == ERR_FILE_UNRECOGNIZED, Ref<CompressedTexture2D>(), "File " + p_path + " is not a texture.");
ERR_FAIL_COND_V(err != OK, Ref<CompressedTexture2D>());
}
int ver_major = get_ver_major_from_textype(t);
ERR_FAIL_COND_V_MSG(get_type_enum_from_version_type(t) != TEXTURE_TYPE_2D,
Ref<Image>(), "Not a 2d image texture: " + res_path);
Ref<CompressedTexture2D> texture;
Ref<Image> image;
bool size_override = false;
texture = _load_texture2d(res_path, image, size_override, ver_major, &err);
if (r_err) {
*r_err = err;
}
if (err == ERR_UNAVAILABLE) {
return texture;
}
ERR_FAIL_COND_V_MSG(err != OK, texture, "Couldn't load texture " + res_path);
// put the texture into the rendering server
RID texture_rid = RS::get_singleton()->texture_2d_create(image);
faketex2D *fake = reinterpret_cast<faketex2D *>(texture.ptr());
fake->texture = texture_rid;
if (size_override) {
RS::get_singleton()->texture_set_size_override(texture_rid, texture->get_width(), texture->get_height());
}
String local_path = GDRESettings::get_singleton()->localize_path(p_path);
RS::get_singleton()->texture_set_path(texture_rid, local_path);
texture->set_path(local_path, false);
return texture;
}
Ref<Texture> TextureLoaderCompat::load_texture(const String p_path, Error *r_err) {
Error err;
const String res_path = GDRESettings::get_singleton()->get_res_path(p_path);
TextureLoaderCompat::TextureVersionType t = recognize(res_path, &err);
if (t == FORMAT_NOT_TEXTURE) {
if (r_err) {
*r_err = err;
}
ERR_FAIL_COND_V_MSG(err == ERR_FILE_UNRECOGNIZED, Ref<Texture>(), "File " + p_path + " is not a texture.");
ERR_FAIL_COND_V(err != OK, Ref<Texture>());
}
Ref<Texture> texture;
switch (get_type_enum_from_version_type(t)) {
case TEXTURE_TYPE_2D:
texture = load_texture2d(p_path, &err);
break;
case TEXTURE_TYPE_3D:
texture = load_texture3d(p_path, &err);
break;
case TEXTURE_TYPE_LAYERED:
texture = load_texture_layered(p_path, &err);
break;
case TEXTURE_TYPE_ATLAS: {
if (r_err) {
*r_err = ERR_UNAVAILABLE;
}
ERR_FAIL_V_MSG(Ref<Texture>(), "Atlas texture loading not yet supported! : " + res_path);
} break;
default: { // UNKNOWN
if (r_err) {
*r_err = ERR_FILE_UNRECOGNIZED;
}
ERR_FAIL_V_MSG(Ref<Texture>(), "Unknown texture type : " + res_path);
} break;
}
if (r_err) {
*r_err = err;
}
ERR_FAIL_COND_V_MSG(err != OK, texture, "Couldn't load texture " + res_path);
return texture;
}
// TODO: What to do with this?
Vector<Ref<Image>> TextureLoaderCompat::load_images_from_layered_tex(const String p_path, Error *r_err) {
Error err;
Vector<Ref<Image>> data;
const String res_path = GDRESettings::get_singleton()->get_res_path(p_path);
TextureLoaderCompat::TextureVersionType t = recognize(res_path, &err);
if (t == FORMAT_NOT_TEXTURE) {
if (r_err) {
*r_err = err;
}
ERR_FAIL_COND_V_MSG(err == ERR_FILE_UNRECOGNIZED, data, "File " + res_path + " is not a texture.");
ERR_FAIL_COND_V(err != OK, data);
}
int type;
Ref<Resource> res;
int ver_major = get_ver_major_from_textype(t);
auto textype = get_type_enum_from_version_type(t);
switch (textype) {
case TEXTURE_TYPE_3D:
res = _load_texture3d(res_path, data, &err, ver_major);
break;
case TEXTURE_TYPE_LAYERED:
res = _load_texture_layered(res_path, data, type, &err, ver_major);
break;
default:
if (r_err) {
*r_err = ERR_INVALID_PARAMETER;
}
ERR_FAIL_V_MSG(data, "Not a 3d image texture: " + res_path);
break;
}
if (r_err) {
*r_err = err;
}
ERR_FAIL_COND_V_MSG(err != OK, data, "Texture " + res_path + " could not be loaded");
return data;
}
Ref<Image> TextureLoaderCompat::load_image_from_tex(const String p_path, Error *r_err) {
Error err;
const String res_path = GDRESettings::get_singleton()->get_res_path(p_path);
TextureLoaderCompat::TextureVersionType t = recognize(res_path, &err);
if (t == FORMAT_NOT_TEXTURE) {
if (r_err) {
*r_err = err;
}
ERR_FAIL_COND_V_MSG(err == ERR_FILE_UNRECOGNIZED, Ref<Image>(), "File " + p_path + " is not a texture.");
ERR_FAIL_COND_V(err != OK, Ref<Image>());
}
int ver_major = get_ver_major_from_textype(t);
ERR_FAIL_COND_V_MSG(get_type_enum_from_version_type(t) != TEXTURE_TYPE_2D,
Ref<Image>(), "Not a 2d image texture: " + res_path);
Ref<Image> image;
image.instantiate();
bool size_override;
_load_texture2d(res_path, image, size_override, ver_major, &err);
if (r_err) {
*r_err = err;