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texture.cpp
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texture.cpp
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/*************************************************************************/
/* texture.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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 "texture.h"
#include "core/core_string_names.h"
#include "core/io/image_loader.h"
#include "core/io/marshalls.h"
#include "core/math/geometry_2d.h"
#include "core/os/os.h"
#include "scene/resources/bit_map.h"
#include "scene/resources/mesh.h"
#include "servers/camera/camera_feed.h"
int Texture2D::get_width() const {
int ret = 0;
GDVIRTUAL_REQUIRED_CALL(_get_width, ret);
return ret;
}
int Texture2D::get_height() const {
int ret = 0;
GDVIRTUAL_REQUIRED_CALL(_get_height, ret);
return ret;
}
Size2 Texture2D::get_size() const {
return Size2(get_width(), get_height());
}
bool Texture2D::is_pixel_opaque(int p_x, int p_y) const {
bool ret = true;
GDVIRTUAL_CALL(_is_pixel_opaque, p_x, p_y, ret);
return ret;
}
bool Texture2D::has_alpha() const {
bool ret = true;
GDVIRTUAL_CALL(_has_alpha, ret);
return ret;
}
void Texture2D::draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate, bool p_transpose) const {
if (GDVIRTUAL_CALL(_draw, p_canvas_item, p_pos, p_modulate, p_transpose)) {
return;
}
RenderingServer::get_singleton()->canvas_item_add_texture_rect(p_canvas_item, Rect2(p_pos, get_size()), get_rid(), false, p_modulate, p_transpose);
}
void Texture2D::draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile, const Color &p_modulate, bool p_transpose) const {
if (GDVIRTUAL_CALL(_draw_rect, p_canvas_item, p_rect, p_tile, p_modulate, p_transpose)) {
return;
}
RenderingServer::get_singleton()->canvas_item_add_texture_rect(p_canvas_item, p_rect, get_rid(), p_tile, p_modulate, p_transpose);
}
void Texture2D::draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose, bool p_clip_uv) const {
if (GDVIRTUAL_CALL(_draw_rect_region, p_canvas_item, p_rect, p_src_rect, p_modulate, p_transpose, p_clip_uv)) {
return;
}
RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, p_rect, get_rid(), p_src_rect, p_modulate, p_transpose, p_clip_uv);
}
bool Texture2D::get_rect_region(const Rect2 &p_rect, const Rect2 &p_src_rect, Rect2 &r_rect, Rect2 &r_src_rect) const {
r_rect = p_rect;
r_src_rect = p_src_rect;
return true;
}
void Texture2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_width"), &Texture2D::get_width);
ClassDB::bind_method(D_METHOD("get_height"), &Texture2D::get_height);
ClassDB::bind_method(D_METHOD("get_size"), &Texture2D::get_size);
ClassDB::bind_method(D_METHOD("has_alpha"), &Texture2D::has_alpha);
ClassDB::bind_method(D_METHOD("draw", "canvas_item", "position", "modulate", "transpose"), &Texture2D::draw, DEFVAL(Color(1, 1, 1)), DEFVAL(false));
ClassDB::bind_method(D_METHOD("draw_rect", "canvas_item", "rect", "tile", "modulate", "transpose"), &Texture2D::draw_rect, DEFVAL(Color(1, 1, 1)), DEFVAL(false));
ClassDB::bind_method(D_METHOD("draw_rect_region", "canvas_item", "rect", "src_rect", "modulate", "transpose", "clip_uv"), &Texture2D::draw_rect_region, DEFVAL(Color(1, 1, 1)), DEFVAL(false), DEFVAL(true));
ClassDB::bind_method(D_METHOD("get_image"), &Texture2D::get_image);
ADD_GROUP("", "");
GDVIRTUAL_BIND(_get_width);
GDVIRTUAL_BIND(_get_height);
GDVIRTUAL_BIND(_is_pixel_opaque, "x", "y");
GDVIRTUAL_BIND(_has_alpha);
GDVIRTUAL_BIND(_draw, "to_canvas_item", "pos", "modulate", "transpose")
GDVIRTUAL_BIND(_draw_rect, "to_canvas_item", "rect", "tile", "modulate", "transpose")
GDVIRTUAL_BIND(_draw_rect_region, "to_canvas_item", "rect", "src_rect", "modulate", "transpose", "clip_uv");
}
Texture2D::Texture2D() {
}
/////////////////////
void ImageTexture::reload_from_file() {
String path = ResourceLoader::path_remap(get_path());
if (!path.is_resource_file()) {
return;
}
Ref<Image> img;
img.instantiate();
if (ImageLoader::load_image(path, img) == OK) {
set_image(img);
} else {
Resource::reload_from_file();
notify_property_list_changed();
emit_changed();
}
}
bool ImageTexture::_set(const StringName &p_name, const Variant &p_value) {
if (p_name == "image") {
set_image(p_value);
return true;
}
return false;
}
bool ImageTexture::_get(const StringName &p_name, Variant &r_ret) const {
if (p_name == "image") {
r_ret = get_image();
return true;
}
return false;
}
void ImageTexture::_get_property_list(List<PropertyInfo> *p_list) const {
p_list->push_back(PropertyInfo(Variant::OBJECT, PNAME("image"), PROPERTY_HINT_RESOURCE_TYPE, "Image", PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_RESOURCE_NOT_PERSISTENT));
}
Ref<ImageTexture> ImageTexture::create_from_image(const Ref<Image> &p_image) {
ERR_FAIL_COND_V_MSG(p_image.is_null() || p_image->is_empty(), Ref<ImageTexture>(), "Invalid image");
Ref<ImageTexture> image_texture;
image_texture.instantiate();
image_texture->set_image(p_image);
return image_texture;
}
void ImageTexture::set_image(const Ref<Image> &p_image) {
ERR_FAIL_COND_MSG(p_image.is_null() || p_image->is_empty(), "Invalid image");
w = p_image->get_width();
h = p_image->get_height();
format = p_image->get_format();
mipmaps = p_image->has_mipmaps();
if (texture.is_null()) {
texture = RenderingServer::get_singleton()->texture_2d_create(p_image);
} else {
RID new_texture = RenderingServer::get_singleton()->texture_2d_create(p_image);
RenderingServer::get_singleton()->texture_replace(texture, new_texture);
}
notify_property_list_changed();
emit_changed();
image_stored = true;
}
Image::Format ImageTexture::get_format() const {
return format;
}
void ImageTexture::update(const Ref<Image> &p_image) {
ERR_FAIL_COND_MSG(p_image.is_null(), "Invalid image");
ERR_FAIL_COND_MSG(texture.is_null(), "Texture is not initialized.");
ERR_FAIL_COND_MSG(p_image->get_width() != w || p_image->get_height() != h,
"The new image dimensions must match the texture size.");
ERR_FAIL_COND_MSG(p_image->get_format() != format,
"The new image format must match the texture's image format.");
ERR_FAIL_COND_MSG(mipmaps != p_image->has_mipmaps(),
"The new image mipmaps configuration must match the texture's image mipmaps configuration");
RS::get_singleton()->texture_2d_update(texture, p_image);
notify_property_list_changed();
emit_changed();
alpha_cache.unref();
image_stored = true;
}
Ref<Image> ImageTexture::get_image() const {
if (image_stored) {
return RenderingServer::get_singleton()->texture_2d_get(texture);
} else {
return Ref<Image>();
}
}
int ImageTexture::get_width() const {
return w;
}
int ImageTexture::get_height() const {
return h;
}
RID ImageTexture::get_rid() const {
if (texture.is_null()) {
//we are in trouble, create something temporary
texture = RenderingServer::get_singleton()->texture_2d_placeholder_create();
}
return texture;
}
bool ImageTexture::has_alpha() const {
return (format == Image::FORMAT_LA8 || format == Image::FORMAT_RGBA8);
}
void ImageTexture::draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate, bool p_transpose) const {
if ((w | h) == 0) {
return;
}
RenderingServer::get_singleton()->canvas_item_add_texture_rect(p_canvas_item, Rect2(p_pos, Size2(w, h)), texture, false, p_modulate, p_transpose);
}
void ImageTexture::draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile, const Color &p_modulate, bool p_transpose) const {
if ((w | h) == 0) {
return;
}
RenderingServer::get_singleton()->canvas_item_add_texture_rect(p_canvas_item, p_rect, texture, p_tile, p_modulate, p_transpose);
}
void ImageTexture::draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose, bool p_clip_uv) const {
if ((w | h) == 0) {
return;
}
RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, p_rect, texture, p_src_rect, p_modulate, p_transpose, p_clip_uv);
}
bool ImageTexture::is_pixel_opaque(int p_x, int p_y) const {
if (!alpha_cache.is_valid()) {
Ref<Image> img = get_image();
if (img.is_valid()) {
if (img->is_compressed()) { //must decompress, if compressed
Ref<Image> decom = img->duplicate();
decom->decompress();
img = decom;
}
alpha_cache.instantiate();
alpha_cache->create_from_image_alpha(img);
}
}
if (alpha_cache.is_valid()) {
int aw = int(alpha_cache->get_size().width);
int ah = int(alpha_cache->get_size().height);
if (aw == 0 || ah == 0) {
return true;
}
int x = p_x * aw / w;
int y = p_y * ah / h;
x = CLAMP(x, 0, aw);
y = CLAMP(y, 0, ah);
return alpha_cache->get_bit(x, y);
}
return true;
}
void ImageTexture::set_size_override(const Size2i &p_size) {
Size2i s = p_size;
if (s.x != 0) {
w = s.x;
}
if (s.y != 0) {
h = s.y;
}
RenderingServer::get_singleton()->texture_set_size_override(texture, w, h);
}
void ImageTexture::set_path(const String &p_path, bool p_take_over) {
if (texture.is_valid()) {
RenderingServer::get_singleton()->texture_set_path(texture, p_path);
}
Resource::set_path(p_path, p_take_over);
}
void ImageTexture::_bind_methods() {
ClassDB::bind_static_method("ImageTexture", D_METHOD("create_from_image", "image"), &ImageTexture::create_from_image);
ClassDB::bind_method(D_METHOD("get_format"), &ImageTexture::get_format);
ClassDB::bind_method(D_METHOD("set_image", "image"), &ImageTexture::set_image);
ClassDB::bind_method(D_METHOD("update", "image"), &ImageTexture::update);
ClassDB::bind_method(D_METHOD("set_size_override", "size"), &ImageTexture::set_size_override);
}
ImageTexture::ImageTexture() {}
ImageTexture::~ImageTexture() {
if (texture.is_valid()) {
RenderingServer::get_singleton()->free(texture);
}
}
/////////////////////
void PortableCompressedTexture2D::_set_data(const Vector<uint8_t> &p_data) {
if (p_data.size() == 0) {
return; //nothing to do
}
const uint8_t *data = p_data.ptr();
uint32_t data_size = p_data.size();
ERR_FAIL_COND(data_size < 20);
compression_mode = CompressionMode(decode_uint32(data + 0));
format = Image::Format(decode_uint32(data + 4));
uint32_t mipmap_count = decode_uint32(data + 8);
size.width = decode_uint32(data + 12);
size.height = decode_uint32(data + 16);
mipmaps = mipmap_count > 1;
data += 20;
data_size -= 20;
Ref<Image> image;
switch (compression_mode) {
case COMPRESSION_MODE_LOSSLESS:
case COMPRESSION_MODE_LOSSY: {
Vector<uint8_t> image_data;
ERR_FAIL_COND(data_size < 4);
for (uint32_t i = 0; i < mipmap_count; i++) {
uint32_t mipsize = decode_uint32(data);
data += 4;
data_size -= 4;
ERR_FAIL_COND(mipsize < data_size);
Ref<Image> img = memnew(Image(data, data_size));
ERR_FAIL_COND(img->is_empty());
if (img->get_format() != format) { // May happen due to webp/png in the tiny mipmaps.
img->convert(format);
}
image_data.append_array(img->get_data());
data += mipsize;
data_size -= mipsize;
}
image = Ref<Image>(memnew(Image(size.width, size.height, mipmap_count > 1, format, image_data)));
} break;
case COMPRESSION_MODE_BASIS_UNIVERSAL: {
ERR_FAIL_COND(!Image::basis_universal_unpacker_ptr);
image = Image::basis_universal_unpacker_ptr(data, data_size);
} break;
case COMPRESSION_MODE_S3TC:
case COMPRESSION_MODE_ETC2:
case COMPRESSION_MODE_BPTC: {
image = Ref<Image>(memnew(Image(size.width, size.height, mipmap_count > 1, format, p_data.slice(20))));
} break;
}
ERR_FAIL_COND(image.is_null());
if (texture.is_null()) {
texture = RenderingServer::get_singleton()->texture_2d_create(image);
} else {
RID new_texture = RenderingServer::get_singleton()->texture_2d_create(image);
RenderingServer::get_singleton()->texture_replace(texture, new_texture);
}
image_stored = true;
RenderingServer::get_singleton()->texture_set_size_override(texture, size_override.width, size_override.height);
alpha_cache.unref();
if (keep_all_compressed_buffers || keep_compressed_buffer) {
compressed_buffer = p_data;
} else {
compressed_buffer.clear();
}
}
PortableCompressedTexture2D::CompressionMode PortableCompressedTexture2D::get_compression_mode() const {
return compression_mode;
}
Vector<uint8_t> PortableCompressedTexture2D::_get_data() const {
return compressed_buffer;
}
void PortableCompressedTexture2D::create_from_image(const Ref<Image> &p_image, CompressionMode p_compression_mode, bool p_normal_map, float p_lossy_quality) {
ERR_FAIL_COND(p_image.is_null() || p_image->is_empty());
Vector<uint8_t> buffer;
buffer.resize(20);
encode_uint32(p_compression_mode, buffer.ptrw());
encode_uint32(p_image->get_format(), buffer.ptrw() + 4);
encode_uint32(p_image->get_mipmap_count() + 1, buffer.ptrw() + 8);
encode_uint32(p_image->get_width(), buffer.ptrw() + 12);
encode_uint32(p_image->get_height(), buffer.ptrw() + 16);
switch (p_compression_mode) {
case COMPRESSION_MODE_LOSSLESS:
case COMPRESSION_MODE_LOSSY: {
for (int i = 0; i < p_image->get_mipmap_count() + 1; i++) {
Vector<uint8_t> data;
if (p_compression_mode == COMPRESSION_MODE_LOSSY) {
data = Image::webp_lossy_packer(p_image->get_image_from_mipmap(i), p_lossy_quality);
} else {
data = Image::webp_lossless_packer(p_image->get_image_from_mipmap(i));
}
int data_len = data.size();
buffer.resize(buffer.size() + 4);
encode_uint32(data_len, buffer.ptrw() + buffer.size() - 4);
buffer.append_array(data);
}
} break;
case COMPRESSION_MODE_BASIS_UNIVERSAL: {
Image::UsedChannels uc = p_image->detect_used_channels(p_normal_map ? Image::COMPRESS_SOURCE_NORMAL : Image::COMPRESS_SOURCE_GENERIC);
Vector<uint8_t> budata = Image::basis_universal_packer(p_image, uc);
buffer.append_array(budata);
} break;
case COMPRESSION_MODE_S3TC:
case COMPRESSION_MODE_ETC2:
case COMPRESSION_MODE_BPTC: {
Ref<Image> copy = p_image->duplicate();
switch (p_compression_mode) {
case COMPRESSION_MODE_S3TC:
copy->compress(Image::COMPRESS_S3TC);
break;
case COMPRESSION_MODE_ETC2:
copy->compress(Image::COMPRESS_ETC2);
break;
case COMPRESSION_MODE_BPTC:
copy->compress(Image::COMPRESS_BPTC);
break;
default: {
};
}
buffer.append_array(copy->get_data());
} break;
}
_set_data(buffer);
}
Image::Format PortableCompressedTexture2D::get_format() const {
return format;
}
Ref<Image> PortableCompressedTexture2D::get_image() const {
if (image_stored) {
return RenderingServer::get_singleton()->texture_2d_get(texture);
} else {
return Ref<Image>();
}
}
int PortableCompressedTexture2D::get_width() const {
return size.width;
}
int PortableCompressedTexture2D::get_height() const {
return size.height;
}
RID PortableCompressedTexture2D::get_rid() const {
if (texture.is_null()) {
//we are in trouble, create something temporary
texture = RenderingServer::get_singleton()->texture_2d_placeholder_create();
}
return texture;
}
bool PortableCompressedTexture2D::has_alpha() const {
return (format == Image::FORMAT_LA8 || format == Image::FORMAT_RGBA8);
}
void PortableCompressedTexture2D::draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate, bool p_transpose) const {
if (size.width == 0 || size.height == 0) {
return;
}
RenderingServer::get_singleton()->canvas_item_add_texture_rect(p_canvas_item, Rect2(p_pos, size), texture, false, p_modulate, p_transpose);
}
void PortableCompressedTexture2D::draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile, const Color &p_modulate, bool p_transpose) const {
if (size.width == 0 || size.height == 0) {
return;
}
RenderingServer::get_singleton()->canvas_item_add_texture_rect(p_canvas_item, p_rect, texture, p_tile, p_modulate, p_transpose);
}
void PortableCompressedTexture2D::draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose, bool p_clip_uv) const {
if (size.width == 0 || size.height == 0) {
return;
}
RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, p_rect, texture, p_src_rect, p_modulate, p_transpose, p_clip_uv);
}
bool PortableCompressedTexture2D::is_pixel_opaque(int p_x, int p_y) const {
if (!alpha_cache.is_valid()) {
Ref<Image> img = get_image();
if (img.is_valid()) {
if (img->is_compressed()) { //must decompress, if compressed
Ref<Image> decom = img->duplicate();
decom->decompress();
img = decom;
}
alpha_cache.instantiate();
alpha_cache->create_from_image_alpha(img);
}
}
if (alpha_cache.is_valid()) {
int aw = int(alpha_cache->get_size().width);
int ah = int(alpha_cache->get_size().height);
if (aw == 0 || ah == 0) {
return true;
}
int x = p_x * aw / size.width;
int y = p_y * ah / size.height;
x = CLAMP(x, 0, aw);
y = CLAMP(y, 0, ah);
return alpha_cache->get_bit(x, y);
}
return true;
}
void PortableCompressedTexture2D::set_size_override(const Size2 &p_size) {
size_override = p_size;
RenderingServer::get_singleton()->texture_set_size_override(texture, size_override.width, size_override.height);
}
Size2 PortableCompressedTexture2D::get_size_override() const {
return size_override;
}
void PortableCompressedTexture2D::set_path(const String &p_path, bool p_take_over) {
if (texture.is_valid()) {
RenderingServer::get_singleton()->texture_set_path(texture, p_path);
}
Resource::set_path(p_path, p_take_over);
}
bool PortableCompressedTexture2D::keep_all_compressed_buffers = false;
void PortableCompressedTexture2D::set_keep_all_compressed_buffers(bool p_keep) {
keep_all_compressed_buffers = p_keep;
}
bool PortableCompressedTexture2D::is_keeping_all_compressed_buffers() {
return keep_all_compressed_buffers;
}
void PortableCompressedTexture2D::set_keep_compressed_buffer(bool p_keep) {
keep_compressed_buffer = p_keep;
if (!p_keep) {
compressed_buffer.clear();
}
}
bool PortableCompressedTexture2D::is_keeping_compressed_buffer() const {
return keep_compressed_buffer;
}
void PortableCompressedTexture2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("create_from_image", "image", "compression_mode", "normal_map", "lossy_quality"), &PortableCompressedTexture2D::create_from_image, DEFVAL(false), DEFVAL(0.8));
ClassDB::bind_method(D_METHOD("get_format"), &PortableCompressedTexture2D::get_format);
ClassDB::bind_method(D_METHOD("get_compression_mode"), &PortableCompressedTexture2D::get_compression_mode);
ClassDB::bind_method(D_METHOD("set_size_override", "size"), &PortableCompressedTexture2D::set_size_override);
ClassDB::bind_method(D_METHOD("get_size_override"), &PortableCompressedTexture2D::get_size_override);
ClassDB::bind_method(D_METHOD("set_keep_compressed_buffer", "keep"), &PortableCompressedTexture2D::set_keep_compressed_buffer);
ClassDB::bind_method(D_METHOD("is_keeping_compressed_buffer"), &PortableCompressedTexture2D::is_keeping_compressed_buffer);
ClassDB::bind_method(D_METHOD("_set_data", "data"), &PortableCompressedTexture2D::_set_data);
ClassDB::bind_method(D_METHOD("_get_data"), &PortableCompressedTexture2D::_get_data);
ClassDB::bind_static_method("PortableCompressedTexture2D", D_METHOD("set_keep_all_compressed_buffers", "keep"), &PortableCompressedTexture2D::set_keep_all_compressed_buffers);
ClassDB::bind_static_method("PortableCompressedTexture2D", D_METHOD("is_keeping_all_compressed_buffers"), &PortableCompressedTexture2D::is_keeping_all_compressed_buffers);
ADD_PROPERTY(PropertyInfo(Variant::PACKED_BYTE_ARRAY, "_data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR), "_set_data", "_get_data");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "size_override", PROPERTY_HINT_NONE, "suffix:px"), "set_size_override", "get_size_override");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "keep_compressed_buffer"), "set_keep_compressed_buffer", "is_keeping_compressed_buffer");
BIND_ENUM_CONSTANT(COMPRESSION_MODE_LOSSLESS);
BIND_ENUM_CONSTANT(COMPRESSION_MODE_LOSSY);
BIND_ENUM_CONSTANT(COMPRESSION_MODE_BASIS_UNIVERSAL);
BIND_ENUM_CONSTANT(COMPRESSION_MODE_S3TC);
BIND_ENUM_CONSTANT(COMPRESSION_MODE_ETC2);
BIND_ENUM_CONSTANT(COMPRESSION_MODE_BPTC);
}
PortableCompressedTexture2D::PortableCompressedTexture2D() {}
PortableCompressedTexture2D::~PortableCompressedTexture2D() {
if (texture.is_valid()) {
RenderingServer::get_singleton()->free(texture);
}
}
//////////////////////////////////////////
Ref<Image> CompressedTexture2D::load_image_from_file(Ref<FileAccess> f, int p_size_limit) {
uint32_t data_format = f->get_32();
uint32_t w = f->get_16();
uint32_t h = f->get_16();
uint32_t mipmaps = f->get_32();
Image::Format format = Image::Format(f->get_32());
if (data_format == DATA_FORMAT_PNG || data_format == DATA_FORMAT_WEBP || data_format == DATA_FORMAT_BASIS_UNIVERSAL) {
//look for a PNG or WebP file inside
int sw = w;
int sh = h;
//mipmaps need to be read independently, they will be later combined
Vector<Ref<Image>> mipmap_images;
uint64_t total_size = 0;
bool first = true;
for (uint32_t i = 0; i < mipmaps + 1; i++) {
uint32_t size = f->get_32();
if (p_size_limit > 0 && i < (mipmaps - 1) && (sw > p_size_limit || sh > p_size_limit)) {
//can't load this due to size limit
sw = MAX(sw >> 1, 1);
sh = MAX(sh >> 1, 1);
f->seek(f->get_position() + size);
continue;
}
Vector<uint8_t> pv;
pv.resize(size);
{
uint8_t *wr = pv.ptrw();
f->get_buffer(wr, size);
}
Ref<Image> img;
if (data_format == DATA_FORMAT_BASIS_UNIVERSAL && Image::basis_universal_unpacker) {
img = Image::basis_universal_unpacker(pv);
} else if (data_format == DATA_FORMAT_PNG && Image::png_unpacker) {
img = Image::png_unpacker(pv);
} else if (data_format == DATA_FORMAT_WEBP && Image::webp_unpacker) {
img = Image::webp_unpacker(pv);
}
if (img.is_null() || img->is_empty()) {
ERR_FAIL_COND_V(img.is_null() || img->is_empty(), Ref<Image>());
}
if (first) {
//format will actually be the format of the first image,
//as it may have changed on compression
format = img->get_format();
first = false;
} else if (img->get_format() != format) {
img->convert(format); //all needs to be the same format
}
total_size += img->get_data().size();
mipmap_images.push_back(img);
sw = MAX(sw >> 1, 1);
sh = MAX(sh >> 1, 1);
}
//print_line("mipmap read total: " + itos(mipmap_images.size()));
Ref<Image> image;
image.instantiate();
if (mipmap_images.size() == 1) {
//only one image (which will most likely be the case anyway for this format)
image = mipmap_images[0];
return image;
} else {
//rarer use case, but needs to be supported
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->set_data(w, h, true, mipmap_images[0]->get_format(), img_data);
return image;
}
} else if (data_format == DATA_FORMAT_IMAGE) {
int size = Image::get_image_data_size(w, h, format, mipmaps ? true : false);
for (uint32_t i = 0; i < mipmaps + 1; i++) {
int tw, th;
int ofs = Image::get_image_mipmap_offset_and_dimensions(w, h, format, i, tw, th);
if (p_size_limit > 0 && i < mipmaps && (p_size_limit > tw || p_size_limit > th)) {
if (ofs) {
f->seek(f->get_position() + ofs);
}
continue; //oops, size limit enforced, go to next
}
Vector<uint8_t> data;
data.resize(size - ofs);
{
uint8_t *wr = data.ptrw();
f->get_buffer(wr, data.size());
}
Ref<Image> image = Image::create_from_data(tw, th, mipmaps - i ? true : false, format, data);
return image;
}
}
return Ref<Image>();
}
void CompressedTexture2D::set_path(const String &p_path, bool p_take_over) {
if (texture.is_valid()) {
RenderingServer::get_singleton()->texture_set_path(texture, p_path);
}
Resource::set_path(p_path, p_take_over);
}
void CompressedTexture2D::_requested_3d(void *p_ud) {
CompressedTexture2D *ct = (CompressedTexture2D *)p_ud;
Ref<CompressedTexture2D> ctex(ct);
ERR_FAIL_COND(!request_3d_callback);
request_3d_callback(ctex);
}
void CompressedTexture2D::_requested_roughness(void *p_ud, const String &p_normal_path, RS::TextureDetectRoughnessChannel p_roughness_channel) {
CompressedTexture2D *ct = (CompressedTexture2D *)p_ud;
Ref<CompressedTexture2D> ctex(ct);
ERR_FAIL_COND(!request_roughness_callback);
request_roughness_callback(ctex, p_normal_path, p_roughness_channel);
}
void CompressedTexture2D::_requested_normal(void *p_ud) {
CompressedTexture2D *ct = (CompressedTexture2D *)p_ud;
Ref<CompressedTexture2D> ctex(ct);
ERR_FAIL_COND(!request_normal_callback);
request_normal_callback(ctex);
}
CompressedTexture2D::TextureFormatRequestCallback CompressedTexture2D::request_3d_callback = nullptr;
CompressedTexture2D::TextureFormatRoughnessRequestCallback CompressedTexture2D::request_roughness_callback = nullptr;
CompressedTexture2D::TextureFormatRequestCallback CompressedTexture2D::request_normal_callback = nullptr;
Image::Format CompressedTexture2D::get_format() const {
return format;
}
Error CompressedTexture2D::_load_data(const String &p_path, int &r_width, int &r_height, Ref<Image> &image, bool &r_request_3d, bool &r_request_normal, bool &r_request_roughness, int &mipmap_limit, int p_size_limit) {
alpha_cache.unref();
ERR_FAIL_COND_V(image.is_null(), ERR_INVALID_PARAMETER);
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);
if (header[0] != 'G' || header[1] != 'S' || header[2] != 'T' || header[3] != '2') {
ERR_FAIL_V_MSG(ERR_FILE_CORRUPT, "Compressed texture file is corrupt (Bad header).");
}
uint32_t version = f->get_32();
if (version > FORMAT_VERSION) {
ERR_FAIL_V_MSG(ERR_FILE_CORRUPT, "Compressed texture file is too new.");
}
r_width = f->get_32();
r_height = f->get_32();
uint32_t df = f->get_32(); //data format
//skip reserved
mipmap_limit = int(f->get_32());
//reserved
f->get_32();
f->get_32();
f->get_32();
#ifdef TOOLS_ENABLED
r_request_3d = request_3d_callback && df & FORMAT_BIT_DETECT_3D;
r_request_roughness = request_roughness_callback && df & FORMAT_BIT_DETECT_ROUGNESS;
r_request_normal = request_normal_callback && df & FORMAT_BIT_DETECT_NORMAL;
#else
r_request_3d = false;
r_request_roughness = false;
r_request_normal = false;
#endif
if (!(df & FORMAT_BIT_STREAM)) {
p_size_limit = 0;
}
image = load_image_from_file(f, p_size_limit);
if (image.is_null() || image->is_empty()) {
return ERR_CANT_OPEN;
}
return OK;
}
Error CompressedTexture2D::load(const String &p_path) {
int lw, lh;
Ref<Image> image;
image.instantiate();
bool request_3d;
bool request_normal;
bool request_roughness;
int mipmap_limit;
Error err = _load_data(p_path, lw, lh, image, request_3d, request_normal, request_roughness, mipmap_limit);
if (err) {
return err;
}
if (texture.is_valid()) {
RID new_texture = RS::get_singleton()->texture_2d_create(image);
RS::get_singleton()->texture_replace(texture, new_texture);
} else {
texture = RS::get_singleton()->texture_2d_create(image);
}
if (lw || lh) {
RS::get_singleton()->texture_set_size_override(texture, lw, lh);
}
w = lw;
h = lh;
path_to_file = p_path;
format = image->get_format();
if (get_path().is_empty()) {
//temporarily set path if no path set for resource, helps find errors
RenderingServer::get_singleton()->texture_set_path(texture, p_path);
}
#ifdef TOOLS_ENABLED
if (request_3d) {
//print_line("request detect 3D at " + p_path);
RS::get_singleton()->texture_set_detect_3d_callback(texture, _requested_3d, this);
} else {
//print_line("not requesting detect 3D at " + p_path);
RS::get_singleton()->texture_set_detect_3d_callback(texture, nullptr, nullptr);
}
if (request_roughness) {
//print_line("request detect srgb at " + p_path);
RS::get_singleton()->texture_set_detect_roughness_callback(texture, _requested_roughness, this);
} else {
//print_line("not requesting detect srgb at " + p_path);
RS::get_singleton()->texture_set_detect_roughness_callback(texture, nullptr, nullptr);
}
if (request_normal) {
//print_line("request detect srgb at " + p_path);
RS::get_singleton()->texture_set_detect_normal_callback(texture, _requested_normal, this);
} else {
//print_line("not requesting detect normal at " + p_path);
RS::get_singleton()->texture_set_detect_normal_callback(texture, nullptr, nullptr);
}
#endif
notify_property_list_changed();
emit_changed();
return OK;
}
String CompressedTexture2D::get_load_path() const {
return path_to_file;
}
int CompressedTexture2D::get_width() const {
return w;
}
int CompressedTexture2D::get_height() const {
return h;
}
RID CompressedTexture2D::get_rid() const {
if (!texture.is_valid()) {
texture = RS::get_singleton()->texture_2d_placeholder_create();
}
return texture;
}
void CompressedTexture2D::draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate, bool p_transpose) const {
if ((w | h) == 0) {
return;
}
RenderingServer::get_singleton()->canvas_item_add_texture_rect(p_canvas_item, Rect2(p_pos, Size2(w, h)), texture, false, p_modulate, p_transpose);
}
void CompressedTexture2D::draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile, const Color &p_modulate, bool p_transpose) const {
if ((w | h) == 0) {
return;
}
RenderingServer::get_singleton()->canvas_item_add_texture_rect(p_canvas_item, p_rect, texture, p_tile, p_modulate, p_transpose);
}
void CompressedTexture2D::draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose, bool p_clip_uv) const {
if ((w | h) == 0) {
return;
}
RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, p_rect, texture, p_src_rect, p_modulate, p_transpose, p_clip_uv);
}
bool CompressedTexture2D::has_alpha() const {
return false;
}
Ref<Image> CompressedTexture2D::get_image() const {
if (texture.is_valid()) {
return RS::get_singleton()->texture_2d_get(texture);
} else {
return Ref<Image>();
}
}
bool CompressedTexture2D::is_pixel_opaque(int p_x, int p_y) const {
if (!alpha_cache.is_valid()) {
Ref<Image> img = get_image();
if (img.is_valid()) {
if (img->is_compressed()) { //must decompress, if compressed
Ref<Image> decom = img->duplicate();
decom->decompress();
img = decom;
}
alpha_cache.instantiate();
alpha_cache->create_from_image_alpha(img);
}
}
if (alpha_cache.is_valid()) {
int aw = int(alpha_cache->get_size().width);
int ah = int(alpha_cache->get_size().height);
if (aw == 0 || ah == 0) {
return true;