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-rw-r--r--src/video_core/textures/decoders.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/video_core/textures/decoders.cpp b/src/video_core/textures/decoders.cpp
index 3a463d5db..f1f523ad1 100644
--- a/src/video_core/textures/decoders.cpp
+++ b/src/video_core/textures/decoders.cpp
@@ -63,6 +63,14 @@ void Swizzle(std::span<u8> output, std::span<const u8> input, u32 bytes_per_pixe
const u32 unswizzled_offset =
slice * pitch * height + line * pitch + column * bytes_per_pixel;
+ if (const auto offset = (TO_LINEAR ? unswizzled_offset : swizzled_offset);
+ offset >= input.size()) {
+ // TODO(Rodrigo): This is an out of bounds access that should never happen. To
+ // avoid crashing the emulator, break.
+ ASSERT_MSG(false, "offset {} exceeds input size {}!", offset, input.size());
+ break;
+ }
+
u8* const dst = &output[TO_LINEAR ? swizzled_offset : unswizzled_offset];
const u8* const src = &input[TO_LINEAR ? unswizzled_offset : swizzled_offset];
std::memcpy(dst, src, bytes_per_pixel);