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Merge pull request #12754 from MillionOstrich/compress-image-etc

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Attempt at fixing size mismatch in _compress_etc
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Rémi Verschelde 2017-11-20 23:41:28 +01:00 committed by GitHub
commit e39dade177
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1 changed files with 8 additions and 6 deletions
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14
modules/etc/image_etc.cpp
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@ -129,7 +129,7 @@ static void _compress_etc(Image *p_img, float p_lossy_quality, bool force_etc1_f
PoolVector<uint8_t>::Read r = img->get_data().read();
int target_size = Image::get_image_data_size(imgw, imgh, etc_format, p_img->has_mipmaps() ? -1 : 0);
int mmc = p_img->has_mipmaps() ? Image::get_image_required_mipmaps(imgw, imgh, etc_format) : 0;
int mmc = 1 + (p_img->has_mipmaps() ? Image::get_image_required_mipmaps(imgw, imgh, etc_format) : 0);
PoolVector<uint8_t> dst_data;
dst_data.resize(target_size);
@ -155,7 +155,7 @@ static void _compress_etc(Image *p_img, float p_lossy_quality, bool force_etc1_f
print_line("begin encoding, format: " + Image::get_format_name(etc_format));
uint64_t t = OS::get_singleton()->get_ticks_msec();
for (int i = 0; i < mmc + 1; i++) {
for (int i = 0; i < mmc; i++) {
// convert source image to internal etc2comp format (which is equivalent to Image::FORMAT_RGBAF)
// NOTE: We can alternatively add a case to Image::convert to handle Image::FORMAT_RGBAF conversion.
int mipmap_ofs = 0, mipmap_size = 0, mipmap_w = 0, mipmap_h = 0;
@ -163,9 +163,9 @@ static void _compress_etc(Image *p_img, float p_lossy_quality, bool force_etc1_f
const uint8_t *src = &r[mipmap_ofs];
Etc::ColorFloatRGBA *src_rgba_f = new Etc::ColorFloatRGBA[mipmap_w * mipmap_h];
for (int i = 0; i < mipmap_w * mipmap_h; i++) {
int si = i * 4; // RGBA8
src_rgba_f[i] = Etc::ColorFloatRGBA::ConvertFromRGBA8(src[si], src[si + 1], src[si + 2], src[si + 3]);
for (int j = 0; j < mipmap_w * mipmap_h; j++) {
int si = j * 4; // RGBA8
src_rgba_f[j] = Etc::ColorFloatRGBA::ConvertFromRGBA8(src[si], src[si + 1], src[si + 2], src[si + 3]);
}
unsigned char *etc_data = NULL;
@ -173,15 +173,17 @@ static void _compress_etc(Image *p_img, float p_lossy_quality, bool force_etc1_f
unsigned int extended_width = 0, extended_height = 0;
Etc::Encode((float *)src_rgba_f, mipmap_w, mipmap_h, etc2comp_etc_format, error_metric, effort, num_cpus, num_cpus, &etc_data, &etc_data_len, &extended_width, &extended_height, &encoding_time);
CRASH_COND(wofs + etc_data_len > target_size);
memcpy(&w[wofs], etc_data, etc_data_len);
wofs += etc_data_len;
delete[] etc_data;
delete[] src_rgba_f;
}
print_line("time encoding: " + rtos(OS::get_singleton()->get_ticks_msec() - t));
p_img->create(imgw, imgh, mmc > 1 ? true : false, etc_format, dst_data);
p_img->create(imgw, imgh, p_img->has_mipmaps(), etc_format, dst_data);
}
static void _compress_etc1(Image *p_img, float p_lossy_quality) {