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Merge pull request #74238 from bitsawer/fix_image_convert

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Fix `Image.convert()` overwriting custom mipmaps
This commit is contained in:
Yuri Sizov
2023-07-12 17:15:39 +02:00
parent 2c8d61cd9b 5a9d7fd8a6
commit e88934cb74
2 changed files with 200 additions and 108 deletions
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228
core/io/image.cpp
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@ -517,21 +517,31 @@ void Image::convert(Format p_new_format) {
return;
}
// Includes the main image.
const int mipmap_count = get_mipmap_count() + 1;
if (format > FORMAT_RGBE9995 || p_new_format > FORMAT_RGBE9995) {
ERR_FAIL_MSG("Cannot convert to <-> from compressed formats. Use compress() and decompress() instead.");
} else if (format > FORMAT_RGBA8 || p_new_format > FORMAT_RGBA8) {
//use put/set pixel which is slower but works with non byte formats
Image new_img(width, height, false, p_new_format);
Image new_img(width, height, mipmaps, p_new_format);
for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) {
new_img.set_pixel(i, j, get_pixel(i, j));
for (int mip = 0; mip < mipmap_count; mip++) {
Ref<Image> src_mip = get_image_from_mipmap(mip);
Ref<Image> new_mip = new_img.get_image_from_mipmap(mip);
for (int y = 0; y < src_mip->height; y++) {
for (int x = 0; x < src_mip->width; x++) {
new_mip->set_pixel(x, y, src_mip->get_pixel(x, y));
}
}
}
if (has_mipmaps()) {
new_img.generate_mipmaps();
int mip_offset = 0;
int mip_size = 0;
new_img.get_mipmap_offset_and_size(mip, mip_offset, mip_size);
memcpy(new_img.data.ptrw() + mip_offset, new_mip->data.ptr(), mip_size);
}
_copy_internals_from(new_img);
@ -539,113 +549,115 @@ void Image::convert(Format p_new_format) {
return;
}
Image new_img(width, height, false, p_new_format);
const uint8_t *rptr = data.ptr();
uint8_t *wptr = new_img.data.ptrw();
Image new_img(width, height, mipmaps, p_new_format);
int conversion_type = format | p_new_format << 8;
switch (conversion_type) {
case FORMAT_L8 | (FORMAT_LA8 << 8):
_convert<1, false, 1, true, true, true>(width, height, rptr, wptr);
break;
case FORMAT_L8 | (FORMAT_R8 << 8):
_convert<1, false, 1, false, true, false>(width, height, rptr, wptr);
break;
case FORMAT_L8 | (FORMAT_RG8 << 8):
_convert<1, false, 2, false, true, false>(width, height, rptr, wptr);
break;
case FORMAT_L8 | (FORMAT_RGB8 << 8):
_convert<1, false, 3, false, true, false>(width, height, rptr, wptr);
break;
case FORMAT_L8 | (FORMAT_RGBA8 << 8):
_convert<1, false, 3, true, true, false>(width, height, rptr, wptr);
break;
case FORMAT_LA8 | (FORMAT_L8 << 8):
_convert<1, true, 1, false, true, true>(width, height, rptr, wptr);
break;
case FORMAT_LA8 | (FORMAT_R8 << 8):
_convert<1, true, 1, false, true, false>(width, height, rptr, wptr);
break;
case FORMAT_LA8 | (FORMAT_RG8 << 8):
_convert<1, true, 2, false, true, false>(width, height, rptr, wptr);
break;
case FORMAT_LA8 | (FORMAT_RGB8 << 8):
_convert<1, true, 3, false, true, false>(width, height, rptr, wptr);
break;
case FORMAT_LA8 | (FORMAT_RGBA8 << 8):
_convert<1, true, 3, true, true, false>(width, height, rptr, wptr);
break;
case FORMAT_R8 | (FORMAT_L8 << 8):
_convert<1, false, 1, false, false, true>(width, height, rptr, wptr);
break;
case FORMAT_R8 | (FORMAT_LA8 << 8):
_convert<1, false, 1, true, false, true>(width, height, rptr, wptr);
break;
case FORMAT_R8 | (FORMAT_RG8 << 8):
_convert<1, false, 2, false, false, false>(width, height, rptr, wptr);
break;
case FORMAT_R8 | (FORMAT_RGB8 << 8):
_convert<1, false, 3, false, false, false>(width, height, rptr, wptr);
break;
case FORMAT_R8 | (FORMAT_RGBA8 << 8):
_convert<1, false, 3, true, false, false>(width, height, rptr, wptr);
break;
case FORMAT_RG8 | (FORMAT_L8 << 8):
_convert<2, false, 1, false, false, true>(width, height, rptr, wptr);
break;
case FORMAT_RG8 | (FORMAT_LA8 << 8):
_convert<2, false, 1, true, false, true>(width, height, rptr, wptr);
break;
case FORMAT_RG8 | (FORMAT_R8 << 8):
_convert<2, false, 1, false, false, false>(width, height, rptr, wptr);
break;
case FORMAT_RG8 | (FORMAT_RGB8 << 8):
_convert<2, false, 3, false, false, false>(width, height, rptr, wptr);
break;
case FORMAT_RG8 | (FORMAT_RGBA8 << 8):
_convert<2, false, 3, true, false, false>(width, height, rptr, wptr);
break;
case FORMAT_RGB8 | (FORMAT_L8 << 8):
_convert<3, false, 1, false, false, true>(width, height, rptr, wptr);
break;
case FORMAT_RGB8 | (FORMAT_LA8 << 8):
_convert<3, false, 1, true, false, true>(width, height, rptr, wptr);
break;
case FORMAT_RGB8 | (FORMAT_R8 << 8):
_convert<3, false, 1, false, false, false>(width, height, rptr, wptr);
break;
case FORMAT_RGB8 | (FORMAT_RG8 << 8):
_convert<3, false, 2, false, false, false>(width, height, rptr, wptr);
break;
case FORMAT_RGB8 | (FORMAT_RGBA8 << 8):
_convert<3, false, 3, true, false, false>(width, height, rptr, wptr);
break;
case FORMAT_RGBA8 | (FORMAT_L8 << 8):
_convert<3, true, 1, false, false, true>(width, height, rptr, wptr);
break;
case FORMAT_RGBA8 | (FORMAT_LA8 << 8):
_convert<3, true, 1, true, false, true>(width, height, rptr, wptr);
break;
case FORMAT_RGBA8 | (FORMAT_R8 << 8):
_convert<3, true, 1, false, false, false>(width, height, rptr, wptr);
break;
case FORMAT_RGBA8 | (FORMAT_RG8 << 8):
_convert<3, true, 2, false, false, false>(width, height, rptr, wptr);
break;
case FORMAT_RGBA8 | (FORMAT_RGB8 << 8):
_convert<3, true, 3, false, false, false>(width, height, rptr, wptr);
break;
}
for (int mip = 0; mip < mipmap_count; mip++) {
int mip_offset = 0;
int mip_size = 0;
int mip_width = 0;
int mip_height = 0;
get_mipmap_offset_size_and_dimensions(mip, mip_offset, mip_size, mip_width, mip_height);
bool gen_mipmaps = mipmaps;
const uint8_t *rptr = data.ptr() + mip_offset;
uint8_t *wptr = new_img.data.ptrw() + new_img.get_mipmap_offset(mip);
switch (conversion_type) {
case FORMAT_L8 | (FORMAT_LA8 << 8):
_convert<1, false, 1, true, true, true>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_L8 | (FORMAT_R8 << 8):
_convert<1, false, 1, false, true, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_L8 | (FORMAT_RG8 << 8):
_convert<1, false, 2, false, true, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_L8 | (FORMAT_RGB8 << 8):
_convert<1, false, 3, false, true, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_L8 | (FORMAT_RGBA8 << 8):
_convert<1, false, 3, true, true, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_LA8 | (FORMAT_L8 << 8):
_convert<1, true, 1, false, true, true>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_LA8 | (FORMAT_R8 << 8):
_convert<1, true, 1, false, true, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_LA8 | (FORMAT_RG8 << 8):
_convert<1, true, 2, false, true, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_LA8 | (FORMAT_RGB8 << 8):
_convert<1, true, 3, false, true, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_LA8 | (FORMAT_RGBA8 << 8):
_convert<1, true, 3, true, true, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_R8 | (FORMAT_L8 << 8):
_convert<1, false, 1, false, false, true>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_R8 | (FORMAT_LA8 << 8):
_convert<1, false, 1, true, false, true>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_R8 | (FORMAT_RG8 << 8):
_convert<1, false, 2, false, false, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_R8 | (FORMAT_RGB8 << 8):
_convert<1, false, 3, false, false, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_R8 | (FORMAT_RGBA8 << 8):
_convert<1, false, 3, true, false, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_RG8 | (FORMAT_L8 << 8):
_convert<2, false, 1, false, false, true>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_RG8 | (FORMAT_LA8 << 8):
_convert<2, false, 1, true, false, true>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_RG8 | (FORMAT_R8 << 8):
_convert<2, false, 1, false, false, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_RG8 | (FORMAT_RGB8 << 8):
_convert<2, false, 3, false, false, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_RG8 | (FORMAT_RGBA8 << 8):
_convert<2, false, 3, true, false, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_RGB8 | (FORMAT_L8 << 8):
_convert<3, false, 1, false, false, true>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_RGB8 | (FORMAT_LA8 << 8):
_convert<3, false, 1, true, false, true>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_RGB8 | (FORMAT_R8 << 8):
_convert<3, false, 1, false, false, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_RGB8 | (FORMAT_RG8 << 8):
_convert<3, false, 2, false, false, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_RGB8 | (FORMAT_RGBA8 << 8):
_convert<3, false, 3, true, false, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_RGBA8 | (FORMAT_L8 << 8):
_convert<3, true, 1, false, false, true>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_RGBA8 | (FORMAT_LA8 << 8):
_convert<3, true, 1, true, false, true>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_RGBA8 | (FORMAT_R8 << 8):
_convert<3, true, 1, false, false, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_RGBA8 | (FORMAT_RG8 << 8):
_convert<3, true, 2, false, false, false>(mip_width, mip_height, rptr, wptr);
break;
case FORMAT_RGBA8 | (FORMAT_RGB8 << 8):
_convert<3, true, 3, false, false, false>(mip_width, mip_height, rptr, wptr);
break;
}
}
_copy_internals_from(new_img);
if (gen_mipmaps) {
generate_mipmaps();
}
}
Image::Format Image::get_format() const {