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Evas: Add comments to the TGV saver (FIXME) 

The block size has a visual effect. This is obviously a bug.
This commit is contained in:
Jean-Philippe Andre 2014-04-18 18:32:20 +09:00
parent f6eae69eb2
commit 356939a8fd
1 changed files with 7 additions and 12 deletions
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19
src/modules/evas/savers/tgv/evas_image_save_tgv.c
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@ -45,21 +45,16 @@ evas_image_save_file_tgv(RGBA_Image *im,
// Disable dithering, as it will deteriorate the quality of flat surfaces
param.m_dithering = 0;
// FIXME: Depending on the block size, we have some distortion of the image
// Usually, one or two pixels on the top & left borders are removed
block = 6;
if (quality > 95)
{
param.m_quality = rg_etc1_high_quality;
block = 7;
}
param.m_quality = rg_etc1_high_quality;
else if (quality > 30)
{
param.m_quality = rg_etc1_medium_quality;
block = 6;
}
param.m_quality = rg_etc1_medium_quality;
else
{
param.m_quality = rg_etc1_low_quality;
block = 5;
}
param.m_quality = rg_etc1_low_quality;
header[4] = (block << 4) | block;
header[5] = 0;