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glgsg: fix assertion encountered when trying to use pointer textures

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Fixes LP 990089
This commit is contained in:
rdb 2017-03-10 23:00:00 +01:00
parent ce736ad093
commit 64a7fbab87
1 changed files with 8 additions and 1 deletions
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9
panda/src/gobj/texture.I
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@ -1544,7 +1544,14 @@ INLINE size_t Texture::
get_ram_mipmap_image_size(int n) const {
CDReader cdata(_cycler);
if (n >= 0 && n < (int)cdata->_ram_images.size()) {
return cdata->_ram_images[n]._image.size();
if (cdata->_ram_images[n]._pointer_image == nullptr) {
return cdata->_ram_images[n]._image.size();
} else {
// Calculate it based on the given page size.
return do_get_ram_mipmap_page_size(cdata, n) *
do_get_expected_mipmap_z_size(cdata, n) *
cdata->_num_views;
}
}
return 0;
}