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Fix buffer synchronization overriding GPU-modified regions

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MaranBr 2026-05-28 08:58:17 -04:00
parent 8fd495f906
commit 4b248923d7
1 changed files with 5 additions and 2 deletions
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7
src/video_core/buffer_cache/buffer_cache.h
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@ -1621,8 +1621,11 @@ bool BufferCache<P>::SynchronizeBuffer(Buffer& buffer, DAddr device_addr, u32 si
upload_copies.clear();
u64 total_size_bytes = 0;
u64 largest_copy = 0;
const DAddr buffer_start = buffer.cpu_addr_cached;
DAddr buffer_start = buffer.cpu_addr_cached;
memory_tracker.ForEachUploadRange(device_addr, size, [&](u64 device_addr_out, u64 range_size) {
if (IsRegionGpuModified(device_addr_out, range_size)) {
return;
}
upload_copies.push_back(BufferCopy{
.src_offset = total_size_bytes,
.dst_offset = device_addr_out - buffer_start,
@ -1634,7 +1637,7 @@ bool BufferCache<P>::SynchronizeBuffer(Buffer& buffer, DAddr device_addr, u32 si
if (total_size_bytes == 0) {
return true;
}
const std::span<BufferCopy> copies_span(upload_copies.data(), upload_copies.size());
std::span<BufferCopy> copies_span(upload_copies.data(), upload_copies.size());
UploadMemory(buffer, total_size_bytes, largest_copy, copies_span);
any_buffer_uploaded = true;
return false;