godotengine/godot
1
0
Fork 0
mirror of https://github.com/godotengine/godot.git synced 2026-01-05 06:11:29 +03:00
Code Issues Packages Projects Releases Wiki Activity

Overhaul WebP packer and split compression options

Browse Source
This commit is contained in:
DeeJayLSP
2022-10-31 10:25:04 -03:00
parent 6a9317c9fc
commit da132f3266
6 changed files with 34 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
modules/webp/webp_common.cpp
View File

@@ -41,40 +41,21 @@ namespace WebPCommon {
Vector<uint8_t> _webp_lossy_pack(const Ref<Image> &p_image, float p_quality) {
ERR_FAIL_COND_V(p_image.is_null() || p_image->is_empty(), Vector<uint8_t>());
Ref<Image> img = p_image->duplicate();
if (img->detect_alpha()) {
img->convert(Image::FORMAT_RGBA8);
} else {
img->convert(Image::FORMAT_RGB8);
}
Size2 s(img->get_width(), img->get_height());
Vector<uint8_t> data = img->get_data();
const uint8_t *r = data.ptr();
uint8_t *dst_buff = nullptr;
size_t dst_size = 0;
if (img->get_format() == Image::FORMAT_RGB8) {
dst_size = WebPEncodeRGB(r, s.width, s.height, 3 * s.width, CLAMP(p_quality * 100.0f, 0.0f, 100.0f), &dst_buff);
} else {
dst_size = WebPEncodeRGBA(r, s.width, s.height, 4 * s.width, CLAMP(p_quality * 100.0f, 0.0f, 100.0f), &dst_buff);
}
ERR_FAIL_COND_V(dst_size == 0, Vector<uint8_t>());
Vector<uint8_t> dst;
dst.resize(dst_size);
uint8_t *w = dst.ptrw();
memcpy(w, dst_buff, dst_size);
WebPFree(dst_buff);
return dst;
return _webp_packer(p_image, CLAMP(p_quality * 100.0f, 0.0f, 100.0f), false);
}
Vector<uint8_t> _webp_lossless_pack(const Ref<Image> &p_image) {
ERR_FAIL_COND_V(p_image.is_null() || p_image->is_empty(), Vector<uint8_t>());
int compression_level = GLOBAL_GET("rendering/textures/lossless_compression/webp_compression_level");
compression_level = CLAMP(compression_level, 0, 9);
float compression_factor = GLOBAL_GET("rendering/textures/webp_compression/lossless_compression_factor");
compression_factor = CLAMP(compression_factor, 0.0f, 100.0f);
return _webp_packer(p_image, compression_factor, true);
}
Vector<uint8_t> _webp_packer(const Ref<Image> &p_image, float p_quality, bool p_lossless) {
int compression_method = GLOBAL_GET("rendering/textures/webp_compression/compression_method");
compression_method = CLAMP(compression_method, 0, 6);
Ref<Image> img = p_image->duplicate();
if (img->detect_alpha()) {
@@ -87,16 +68,21 @@ Vector<uint8_t> _webp_lossless_pack(const Ref<Image> &p_image) {
Vector<uint8_t> data = img->get_data();
const uint8_t *r = data.ptr();
// we need to use the more complex API in order to access the 'exact' flag...
// we need to use the more complex API in order to access specific flags...
WebPConfig config;
WebPPicture pic;
if (!WebPConfigInit(&config) || !WebPConfigLosslessPreset(&config, compression_level) || !WebPPictureInit(&pic)) {
if (!WebPConfigInit(&config) || !WebPPictureInit(&pic)) {
ERR_FAIL_V(Vector<uint8_t>());
}
WebPMemoryWriter wrt;
config.exact = 1;
if (p_lossless) {
config.lossless = 1;
config.exact = 1;
}
config.method = compression_method;
config.quality = p_quality;
pic.use_argb = 1;
pic.width = s.width;
pic.height = s.height;

2
modules/webp/webp_common.h
View File

@@ -37,6 +37,8 @@ namespace WebPCommon {
// Given an image, pack this data into a WebP file.
Vector<uint8_t> _webp_lossy_pack(const Ref<Image> &p_image, float p_quality);
Vector<uint8_t> _webp_lossless_pack(const Ref<Image> &p_image);
// Helper function for those above.
Vector<uint8_t> _webp_packer(const Ref<Image> &p_image, float p_quality, bool p_lossless);
// Given a WebP file, unpack it into an image.
Ref<Image> _webp_unpack(const Vector<uint8_t> &p_buffer);
Error webp_load_image_from_buffer(Image *p_image, const uint8_t *p_buffer, int p_buffer_len);