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Code Issues Releases Activity

buffer_base: Partially revert changes from #9559

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This fixes a regression where Yoshi's Crafted World (and potentially other titles) would enter an infinite loop when GPU Accuracy was set to "Normal"
This commit is contained in:
ameerj 2023-02-08 18:31:52 -05:00
parent f6477b91f9
commit eb9f16dce4
2 changed files with 9 additions and 7 deletions
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2
src/tests/video_core/buffer_base.cpp
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@ -538,7 +538,7 @@ TEST_CASE("BufferBase: Cached write downloads") {
int num = 0;
buffer.ForEachDownloadRangeAndClear(c, WORD, [&](u64 offset, u64 size) { ++num; });
buffer.ForEachUploadRange(c, WORD, [&](u64 offset, u64 size) { ++num; });
REQUIRE(num == 1);
REQUIRE(num == 0);
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE, PAGE));
REQUIRE(!buffer.IsRegionGpuModified(c + PAGE, PAGE));
buffer.FlushCachedWrites();

14
src/video_core/buffer_cache/buffer_base.h
View file

@ -430,7 +430,7 @@ private:
if (query_begin >= SizeBytes() || size < 0) {
return;
}
[[maybe_unused]] u64* const untracked_words = Array<Type::Untracked>();
u64* const untracked_words = Array<Type::Untracked>();
u64* const state_words = Array<type>();
const u64 query_end = query_begin + std::min(static_cast<u64>(size), SizeBytes());
u64* const words_begin = state_words + query_begin / BYTES_PER_WORD;
@ -483,7 +483,7 @@ private:
NotifyRasterizer<true>(word_index, current_bits, ~u64{0});
}
// Exclude CPU modified pages when visiting GPU pages
const u64 word = current_word;
const u64 word = current_word & ~(type == Type::GPU ? untracked_words[word_index] : 0);
u64 page = page_begin;
page_begin = 0;
@ -531,7 +531,7 @@ private:
[[nodiscard]] bool IsRegionModified(u64 offset, u64 size) const noexcept {
static_assert(type != Type::Untracked);
[[maybe_unused]] const u64* const untracked_words = Array<Type::Untracked>();
const u64* const untracked_words = Array<Type::Untracked>();
const u64* const state_words = Array<type>();
const u64 num_query_words = size / BYTES_PER_WORD + 1;
const u64 word_begin = offset / BYTES_PER_WORD;
@ -539,7 +539,8 @@ private:
const u64 page_limit = Common::DivCeil(offset + size, BYTES_PER_PAGE);
u64 page_index = (offset / BYTES_PER_PAGE) % PAGES_PER_WORD;
for (u64 word_index = word_begin; word_index < word_end; ++word_index, page_index = 0) {
const u64 word = state_words[word_index];
const u64 off_word = type == Type::GPU ? untracked_words[word_index] : 0;
const u64 word = state_words[word_index] & ~off_word;
if (word == 0) {
continue;
}
@ -563,7 +564,7 @@ private:
[[nodiscard]] std::pair<u64, u64> ModifiedRegion(u64 offset, u64 size) const noexcept {
static_assert(type != Type::Untracked);
[[maybe_unused]] const u64* const untracked_words = Array<Type::Untracked>();
const u64* const untracked_words = Array<Type::Untracked>();
const u64* const state_words = Array<type>();
const u64 num_query_words = size / BYTES_PER_WORD + 1;
const u64 word_begin = offset / BYTES_PER_WORD;
@ -573,7 +574,8 @@ private:
u64 begin = std::numeric_limits<u64>::max();
u64 end = 0;
for (u64 word_index = word_begin; word_index < word_end; ++word_index) {
const u64 word = state_words[word_index];
const u64 off_word = type == Type::GPU ? untracked_words[word_index] : 0;
const u64 word = state_words[word_index] & ~off_word;
if (word == 0) {
continue;
}