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Add PortableCompressedTexture

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* Resource that allows saving textures embedded in scenes or standalone.
* Supports only formats that are portable: Lossy, Lossles or BasisUniversal

This is something I wanted to add for a long time. I made it now because @fire
requires it for importing GLTF2 files with embedded textures, but also this
will allow saving Godot scenes as standalone binary files that will run
in all platforms (because textures will load everywhere).

This is ideal when you want to distribute individual standalone assets online
in games that can be built from Godot scenes.
This commit is contained in:
reduz 2022-03-24 18:18:55 +01:00
parent f6ef63635f
commit 45f74ceb85
9 changed files with 482 additions and 8 deletions
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7
core/io/image.cpp
View file

@ -2726,6 +2726,7 @@ Vector<uint8_t> (*Image::png_packer)(const Ref<Image> &) = nullptr;
Ref<Image> (*Image::png_unpacker)(const Vector<uint8_t> &) = nullptr;
Vector<uint8_t> (*Image::basis_universal_packer)(const Ref<Image> &, Image::UsedChannels) = nullptr;
Ref<Image> (*Image::basis_universal_unpacker)(const Vector<uint8_t> &) = nullptr;
Ref<Image> (*Image::basis_universal_unpacker_ptr)(const uint8_t *, int) = nullptr;
void Image::_set_data(const Dictionary &p_data) {
ERR_FAIL_COND(!p_data.has("width"));
@ -3008,7 +3009,7 @@ void Image::adjust_bcs(float p_brightness, float p_contrast, float p_saturation)
}
}
Image::UsedChannels Image::detect_used_channels(CompressSource p_source) {
Image::UsedChannels Image::detect_used_channels(CompressSource p_source) const {
ERR_FAIL_COND_V(data.size() == 0, USED_CHANNELS_RGBA);
ERR_FAIL_COND_V(is_compressed(), USED_CHANNELS_RGBA);
bool r = false, g = false, b = false, a = false, c = false;
@ -3613,6 +3614,10 @@ Image::Image(const uint8_t *p_mem_png_jpg, int p_len) {
if (is_empty() && _jpg_mem_loader_func) {
copy_internals_from(_jpg_mem_loader_func(p_mem_png_jpg, p_len));
}
if (is_empty() && _webp_mem_loader_func) {
copy_internals_from(_webp_mem_loader_func(p_mem_png_jpg, p_len));
}
}
Ref<Resource> Image::duplicate(bool p_subresources) const {

3
core/io/image.h
View file

@ -147,6 +147,7 @@ public:
static Ref<Image> (*png_unpacker)(const Vector<uint8_t> &p_buffer);
static Vector<uint8_t> (*basis_universal_packer)(const Ref<Image> &p_image, UsedChannels p_channels);
static Ref<Image> (*basis_universal_unpacker)(const Vector<uint8_t> &p_buffer);
static Ref<Image> (*basis_universal_unpacker_ptr)(const uint8_t *p_data, int p_size);
_FORCE_INLINE_ Color _get_color_at_ofs(const uint8_t *ptr, uint32_t ofs) const;
_FORCE_INLINE_ void _set_color_at_ofs(uint8_t *ptr, uint32_t ofs, const Color &p_color);
@ -379,7 +380,7 @@ public:
virtual Ref<Resource> duplicate(bool p_subresources = false) const override;
UsedChannels detect_used_channels(CompressSource p_source = COMPRESS_SOURCE_GENERIC);
UsedChannels detect_used_channels(CompressSource p_source = COMPRESS_SOURCE_GENERIC) const;
void optimize_channels();
Color get_pixelv(const Point2i &p_point) const;