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buffer_cache: Fix CopyBuffers bug

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IndecisiveTurtle 2025-03-23 01:53:43 +02:00
parent cf9f6ef376
commit dda2e71bd0
1 changed files with 6 additions and 2 deletions
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8
src/video_core/buffer_cache/buffer_cache.cpp
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@ -288,13 +288,17 @@ void BufferCache::CopyBuffer(VAddr dst, VAddr src, u32 num_bytes, bool dst_gds,
if (src_gds) { if (src_gds) {
return gds_buffer; return gds_buffer;
} }
const auto [buffer, offset] = ObtainBuffer(src, num_bytes, false); // Avoid using ObtainBuffer here as that might give us the stream buffer.
return *buffer; const BufferId buffer_id = FindBuffer(src, num_bytes);
auto& buffer = slot_buffers[buffer_id];
SynchronizeBuffer(buffer, src, num_bytes, false);
return buffer;
}(); }();
auto& dst_buffer = [&] -> const Buffer& { auto& dst_buffer = [&] -> const Buffer& {
if (dst_gds) { if (dst_gds) {
return gds_buffer; return gds_buffer;
} }
// Prefer using ObtainBuffer here as that will auto-mark the region as GPU modified.
const auto [buffer, offset] = ObtainBuffer(dst, num_bytes, true); const auto [buffer, offset] = ObtainBuffer(dst, num_bytes, true);
return *buffer; return *buffer;
}(); }();