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Fence Manager: Force ordering on WFI.

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This commit is contained in:
Fernando Sahmkow 2021-07-07 16:42:26 +02:00
parent 73638ca593
commit cf38faee9b
4 changed files with 71 additions and 38 deletions
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95
src/video_core/buffer_cache/buffer_cache.h
View file

@ -152,6 +152,8 @@ public:
/// Return true when there are uncommitted buffers to be downloaded
[[nodiscard]] bool HasUncommittedFlushes() const noexcept;
void AccumulateFlushes();
/// Return true when the caller should wait for async downloads
[[nodiscard]] bool ShouldWaitAsyncFlushes() const noexcept;
@ -334,6 +336,7 @@ private:
std::vector<BufferId> cached_write_buffer_ids;
IntervalSet uncommitted_ranges;
std::deque<IntervalSet> committed_ranges;
size_t immediate_buffer_capacity = 0;
std::unique_ptr<u8[]> immediate_buffer_alloc;
@ -551,7 +554,19 @@ void BufferCache<P>::FlushCachedWrites() {
template <class P>
bool BufferCache<P>::HasUncommittedFlushes() const noexcept {
return !uncommitted_ranges.empty();
return !uncommitted_ranges.empty() || !committed_ranges.empty();
}
template <class P>
void BufferCache<P>::AccumulateFlushes() {
if (Settings::values.gpu_accuracy.GetValue() != Settings::GPUAccuracy::High) {
uncommitted_ranges.clear();
return;
}
if (uncommitted_ranges.empty()) {
return;
}
committed_ranges.emplace_back(std::move(uncommitted_ranges));
}
template <class P>
@ -561,8 +576,8 @@ bool BufferCache<P>::ShouldWaitAsyncFlushes() const noexcept {
template <class P>
void BufferCache<P>::CommitAsyncFlushesHigh() {
const IntervalSet& intervals = uncommitted_ranges;
if (intervals.empty()) {
AccumulateFlushes();
if (committed_ranges.empty()) {
return;
}
MICROPROFILE_SCOPE(GPU_DownloadMemory);
@ -570,43 +585,46 @@ void BufferCache<P>::CommitAsyncFlushesHigh() {
boost::container::small_vector<std::pair<BufferCopy, BufferId>, 1> downloads;
u64 total_size_bytes = 0;
u64 largest_copy = 0;
for (auto& interval : intervals) {
const std::size_t size = interval.upper() - interval.lower();
const VAddr cpu_addr = interval.lower();
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,
for (const IntervalSet& intervals : committed_ranges) {
for (auto& interval : intervals) {
const std::size_t size = interval.upper() - interval.lower();
const VAddr cpu_addr = interval.lower();
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);
});
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);
});
});
});
}
}
committed_ranges.clear();
if (downloads.empty()) {
return;
}
@ -644,6 +662,7 @@ void BufferCache<P>::CommitAsyncFlushes() {
CommitAsyncFlushesHigh();
} else {
uncommitted_ranges.clear();
committed_ranges.clear();
}
}

6
src/video_core/fence_manager.h
View file

@ -54,6 +54,12 @@ public:
delayed_destruction_ring.Tick();
}
// Unlike other fences, this one doesn't
void SignalOrdering() {
std::scoped_lock lock{buffer_cache.mutex};
buffer_cache.AccumulateFlushes();
}
void SignalReference() {
// Only sync references on High
if (Settings::values.gpu_accuracy.GetValue() != Settings::GPUAccuracy::High) {

4
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -657,6 +657,10 @@ void RasterizerOpenGL::FlushAndInvalidateRegion(VAddr addr, u64 size) {
void RasterizerOpenGL::WaitForIdle() {
glMemoryBarrier(GL_ALL_BARRIER_BITS);
if (!gpu.IsAsync()) {
return;
}
fence_manager.SignalOrdering();
}
void RasterizerOpenGL::FragmentBarrier() {

4
src/video_core/renderer_vulkan/vk_rasterizer.cpp
View file

@ -619,6 +619,10 @@ void RasterizerVulkan::WaitForIdle() {
cmdbuf.SetEvent(event, flags);
cmdbuf.WaitEvents(event, flags, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, {}, {}, {});
});
if (!gpu.IsAsync()) {
return;
}
fence_manager.SignalOrdering();
}
void RasterizerVulkan::FragmentBarrier() {