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Another approach

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MaranBr 2026-05-28 17:05:23 -04:00
parent b69fab0350
commit 630dca7afd
1 changed files with 29 additions and 18 deletions
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47
src/video_core/buffer_cache/buffer_cache.h
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@ -1619,27 +1619,38 @@ void BufferCache<P>::TouchBuffer(Buffer& buffer, BufferId buffer_id) noexcept {
template <class P> template <class P>
bool BufferCache<P>::SynchronizeBuffer(Buffer& buffer, DAddr device_addr, u32 size) { bool BufferCache<P>::SynchronizeBuffer(Buffer& buffer, DAddr device_addr, u32 size) {
upload_copies.clear(); upload_copies.clear();
u64 total_size_bytes = 0; u64 staging_offset = 0;
u64 largest_copy = 0; u64 largest_copy = 0;
DAddr buffer_start = buffer.cpu_addr_cached; DAddr buffer_start = buffer.CpuAddr();
memory_tracker.ForEachUploadRange(device_addr, size, [&](u64 device_addr_out, u64 range_size) { auto push = [&](u64 start, u64 end) {
if (IsRegionGpuModified(device_addr_out, range_size)) { if (start >= end) {
return; return;
} }
upload_copies.push_back(BufferCopy{ u64 sz = end - start;
.src_offset = total_size_bytes, copies.push_back({
.dst_offset = device_addr_out - buffer_start, .src_offset = staging_offset,
.size = range_size, .dst_offset = start - buffer_start,
.size = sz
}); });
total_size_bytes += range_size; staging_offset += sz;
largest_copy = (std::max)(largest_copy, range_size); largest_copy = std::max(largest_copy, sz);
};
memory_tracker.ForEachUploadRange(device_addr, size, [&](u64 addr, u64 range_size) {
u64 start = addr;
u64 end = addr + range_size;
gpu_modified_ranges.ForEachInRange(start, range_size, [&](u64 gstart, u64 gsize) {
u64 gend = gstart + gsize;
push(start, gstart);
start = std::max(start, gend);
});
push(start, end);
ClearDownload(addr, range_size);
gpu_modified_ranges.Subtract(addr, range_size);
}); });
if (total_size_bytes == 0) { if (copies.empty()) {
return true; return true;
} }
std::span<BufferCopy> copies_span(upload_copies.data(), upload_copies.size()); UploadMemory(buffer, staging_offset, largest_copy, std::span(copies));
UploadMemory(buffer, total_size_bytes, largest_copy, copies_span);
any_buffer_uploaded = true;
return false; return false;
} }