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VideoCommon: when loading a PNG with no custom texture data levels already, create a level, this avoids a potential segfault

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This commit is contained in:
iwubcode 2023-06-02 22:02:37 -05:00
parent d03e09c8fd
commit 47c40d51df
3 changed files with 5 additions and 8 deletions
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5
Source/Core/VideoCommon/Assets/CustomTextureData.cpp
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@ -515,11 +515,6 @@ bool LoadDDSTexture(CustomTextureData::Level* level, const std::string& filename
info.first_mip_row_length, info.first_mip_size);
}
bool LoadPNGTexture(CustomTextureData* texture, const std::string& filename)
{
return LoadPNGTexture(&texture->m_levels[0], filename);
}
bool LoadPNGTexture(CustomTextureData::Level* level, const std::string& filename)
{
if (!level) [[unlikely]]

1
Source/Core/VideoCommon/Assets/CustomTextureData.h
View File

@ -27,6 +27,5 @@ public:
bool LoadDDSTexture(CustomTextureData* texture, const std::string& filename);
bool LoadDDSTexture(CustomTextureData::Level* level, const std::string& filename, u32 mip_level);
bool LoadPNGTexture(CustomTextureData* texture, const std::string& filename);
bool LoadPNGTexture(CustomTextureData::Level* level, const std::string& filename);
} // namespace VideoCommon

7
Source/Core/VideoCommon/Assets/DirectFilesystemAssetLibrary.cpp
View File

@ -72,8 +72,11 @@ CustomAssetLibrary::LoadInfo DirectFilesystemAssetLibrary::LoadTexture(const Ass
}
else if (ext == ".png")
{
LoadPNGTexture(data, asset_path.string());
if (data->m_levels.empty()) [[unlikely]]
// If we have no levels, create one to pass into LoadPNGTexture
if (data->m_levels.empty())
data->m_levels.push_back({});
if (!LoadPNGTexture(&data->m_levels[0], asset_path.string()))
return {};
if (!LoadMips(asset_path, data))
return {};