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sokol: fix a crash when handling a corrupt image

pull/7634/head
Alexander Medvednikov 2020-12-28 01:01:30 +01:00
parent dbad60acbf
commit 597314322f
1 changed files with 2 additions and 1 deletions
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3
thirdparty/sokol/sokol_gfx.h vendored
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@ -9490,7 +9490,8 @@ _SOKOL_PRIVATE void _sg_mtl_copy_image_content(const _sg_image_t* img, __unsafe_
for (int slice_index = 0; slice_index < num_slices; slice_index++) { for (int slice_index = 0; slice_index < num_slices; slice_index++) {
const int mtl_slice_index = (img->cmn.type == SG_IMAGETYPE_CUBE) ? face_index : slice_index; const int mtl_slice_index = (img->cmn.type == SG_IMAGETYPE_CUBE) ? face_index : slice_index;
const int slice_offset = slice_index * bytes_per_slice; const int slice_offset = slice_index * bytes_per_slice;
/// SOKOL_ASSERT((slice_offset + bytes_per_slice) <= (int)content->subimage[face_index][mip_index].size); // SOKOL_ASSERT((slice_offset + bytes_per_slice) <= (int)content->subimage[face_index][mip_index].size);
if (!((slice_offset + bytes_per_slice) <= (int)content->subimage[face_index][mip_index].size)) continue;
[mtl_tex replaceRegion:region [mtl_tex replaceRegion:region
mipmapLevel:mip_index mipmapLevel:mip_index
slice:mtl_slice_index slice:mtl_slice_index