The-Homebrew-Cloud/skyline
2
0
Fork 0
mirror of https://github.com/skyline-emu/skyline.git synced 2024-11-22 19:29:20 +01:00
Code Issues Packages Projects Releases Wiki Activity

Fix infinite loop when reading dirty buffers with direct mem

Browse Source 
The code didn't account for interval Queries returning zero when reaching the end.
This commit is contained in:
Billy Laws 2023-03-15 17:53:35 +00:00
parent 0b551e04db
commit 1f0d297221
1 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
app/src/main/cpp/skyline/gpu/buffer.cpp
View File

@ -312,12 +312,15 @@ namespace skyline::gpu {
RefreshGpuWritesActiveDirect(true, flushHostCallback);
if (directTrackedShadowActive && RefreshGpuReadsActiveDirect()) {
size_t curOffset{offset};
while (curOffset != data.size() + offset) {
auto result{directTrackedWrites.Query(curOffset)};
size_t dstOffset{};
while (dstOffset != data.size()) {
auto srcOffset{dstOffset + offset};
auto dstRemaining{data.size() - dstOffset};
auto result{directTrackedWrites.Query(srcOffset)};
auto size{result.size ? std::min(result.size, dstRemaining) : dstRemaining};
auto srcData{result.enclosed ? directTrackedShadow.data() : mirror.data()};
std::memcpy(data.data() + curOffset - offset, srcData + curOffset, result.size);
curOffset += result.size;
std::memcpy(data.data() + dstOffset, srcData + srcOffset, size);
dstOffset += size;
}
} else [[likely]] {
std::memcpy(data.data(), mirror.data() + offset, data.size());