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fixing possible segmentation fault in Texture::SetLinearRegion

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kbz_8
2025-01-07 15:59:26 +01:00
parent 1f482719e6
commit b432e3e2e1
1 changed files with 7 additions and 2 deletions
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9
runtime/Sources/Renderer/Image.cpp
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@@ -264,12 +264,17 @@ namespace mlx
OpenCPUBuffer();
if constexpr(std::endian::native == std::endian::little)
{
for(std::size_t i = 0; i < len; i++)
for(std::size_t i = 0; i < len && (y * m_width) + x + i < m_width * m_height; i++)
m_staging_buffer->GetMap<mlx_color*>()[(y * m_width) + x + i] = ReverseColor(pixels[i]);
}
else
{
std::memcpy(&m_staging_buffer->GetMap<mlx_color*>()[(y * m_width) + x], pixels, len);
std::size_t len_guard;
if((y * m_width + x + len) < m_width * m_height)
len_guard = len;
else
len_guard = len - (m_width * m_height - (y * m_width + x + len));
std::memcpy(&m_staging_buffer->GetMap<mlx_color*>()[(y * m_width) + x], pixels, len_guard);
}
m_has_been_modified = true;
}