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Code Issues Releases Activity

Buffer Cache: Revert unnecessary range reduction.

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This commit is contained in:
Fernando Sahmkow 2021-07-07 20:45:33 +02:00
parent cf38faee9b
commit f75544a943
1 changed files with 13 additions and 29 deletions
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42
src/video_core/buffer_cache/buffer_cache.h
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@ -592,35 +592,19 @@ void BufferCache<P>::CommitAsyncFlushesHigh() {
const VAddr cpu_addr_end = interval.upper();
ForEachBufferInRange(cpu_addr, size, [&](BufferId buffer_id, Buffer& buffer) {
boost::container::small_vector<BufferCopy, 1> copies;
buffer.ForEachDownloadRange(
cpu_addr, size, false, [&](u64 range_offset, u64 range_size) {
VAddr cpu_addr_base = buffer.CpuAddr() + range_offset;
VAddr cpu_addr_end2 = cpu_addr_base + range_size;
const s64 difference = s64(cpu_addr_end2 - cpu_addr_end);
cpu_addr_end2 -= u64(std::max<s64>(difference, 0));
const s64 difference2 = s64(cpu_addr - cpu_addr_base);
cpu_addr_base += u64(std::max<s64>(difference2, 0));
const u64 new_size = cpu_addr_end2 - cpu_addr_base;
const u64 new_offset = cpu_addr_base - buffer.CpuAddr();
downloads.push_back({
BufferCopy{
.src_offset = new_offset,
.dst_offset = total_size_bytes,
.size = new_size,
},
buffer_id,
});
total_size_bytes += new_size;
largest_copy = std::max(largest_copy, new_size);
constexpr u64 align_mask = ~(32ULL - 1);
const VAddr align_up_address = (cpu_addr_base + 31) & align_mask;
const u64 difference_base = align_up_address - cpu_addr_base;
if (difference_base > new_size) {
return;
}
const u64 fixed_size = new_size - difference_base;
buffer.UnmarkRegionAsGpuModified(align_up_address, fixed_size & align_mask);
});
buffer.ForEachDownloadRange(cpu_addr, size, true,
[&](u64 range_offset, u64 range_size) {
downloads.push_back({
BufferCopy{
.src_offset = range_offset,
.dst_offset = total_size_bytes,
.size = range_size,
},
buffer_id,
});
total_size_bytes += range_size;
largest_copy = std::max(largest_copy, range_size);
});
});
}
}