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-rw-r--r--src/tests/video_core/buffer_base.cpp2
-rw-r--r--src/video_core/buffer_cache/buffer_base.h14
-rw-r--r--src/video_core/buffer_cache/buffer_cache.h195
-rw-r--r--src/video_core/texture_cache/types.h4
4 files changed, 123 insertions, 92 deletions
diff --git a/src/tests/video_core/buffer_base.cpp b/src/tests/video_core/buffer_base.cpp
index edced69bb..cfcdc2253 100644
--- a/src/tests/video_core/buffer_base.cpp
+++ b/src/tests/video_core/buffer_base.cpp
@@ -536,7 +536,7 @@ TEST_CASE("BufferBase: Cached write downloads") {
REQUIRE(rasterizer.Count() == 63);
buffer.MarkRegionAsGpuModified(c + PAGE, PAGE);
int num = 0;
- buffer.ForEachDownloadRange(c, WORD, [&](u64 offset, u64 size) { ++num; });
+ buffer.ForEachDownloadRange(c, WORD, true, [&](u64 offset, u64 size) { ++num; });
buffer.ForEachUploadRange(c, WORD, [&](u64 offset, u64 size) { ++num; });
REQUIRE(num == 0);
REQUIRE(!buffer.IsRegionCpuModified(c + PAGE, PAGE));
diff --git a/src/video_core/buffer_cache/buffer_base.h b/src/video_core/buffer_cache/buffer_base.h
index b121d36a3..a56b4c3a8 100644
--- a/src/video_core/buffer_cache/buffer_base.h
+++ b/src/video_core/buffer_cache/buffer_base.h
@@ -226,19 +226,19 @@ public:
/// Call 'func' for each CPU modified range and unmark those pages as CPU modified
template <typename Func>
void ForEachUploadRange(VAddr query_cpu_range, u64 size, Func&& func) {
- ForEachModifiedRange<Type::CPU>(query_cpu_range, size, func);
+ ForEachModifiedRange<Type::CPU>(query_cpu_range, size, true, func);
}
/// Call 'func' for each GPU modified range and unmark those pages as GPU modified
template <typename Func>
- void ForEachDownloadRange(VAddr query_cpu_range, u64 size, Func&& func) {
- ForEachModifiedRange<Type::GPU>(query_cpu_range, size, func);
+ void ForEachDownloadRange(VAddr query_cpu_range, u64 size, bool clear, Func&& func) {
+ ForEachModifiedRange<Type::GPU>(query_cpu_range, size, clear, func);
}
/// Call 'func' for each GPU modified range and unmark those pages as GPU modified
template <typename Func>
void ForEachDownloadRange(Func&& func) {
- ForEachModifiedRange<Type::GPU>(cpu_addr, SizeBytes(), func);
+ ForEachModifiedRange<Type::GPU>(cpu_addr, SizeBytes(), true, func);
}
/// Mark buffer as picked
@@ -415,7 +415,7 @@ private:
* @param func Function to call for each turned off region
*/
template <Type type, typename Func>
- void ForEachModifiedRange(VAddr query_cpu_range, s64 size, Func&& func) {
+ void ForEachModifiedRange(VAddr query_cpu_range, s64 size, bool clear, Func&& func) {
static_assert(type != Type::Untracked);
const s64 difference = query_cpu_range - cpu_addr;
@@ -467,7 +467,9 @@ private:
bits = (bits << left_offset) >> left_offset;
const u64 current_word = state_words[word_index] & bits;
- state_words[word_index] &= ~bits;
+ if (clear) {
+ state_words[word_index] &= ~bits;
+ }
if constexpr (type == Type::CPU) {
const u64 current_bits = untracked_words[word_index] & bits;
diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h
index cad7f902d..d28930e80 100644
--- a/src/video_core/buffer_cache/buffer_cache.h
+++ b/src/video_core/buffer_cache/buffer_cache.h
@@ -14,6 +14,7 @@
#include <unordered_map>
#include <vector>
+#include <boost/icl/interval_set.hpp>
#include <boost/container/small_vector.hpp>
#include "common/common_types.h"
@@ -77,6 +78,9 @@ class BufferCache {
using Runtime = typename P::Runtime;
using Buffer = typename P::Buffer;
+ using IntervalSet = boost::icl::interval_set<VAddr>;
+ using IntervalType = typename IntervalSet::interval_type;
+
struct Empty {};
struct OverlapResult {
@@ -153,6 +157,7 @@ public:
/// Commit asynchronous downloads
void CommitAsyncFlushes();
+ void CommitAsyncFlushesHigh();
/// Pop asynchronous downloads
void PopAsyncFlushes();
@@ -160,6 +165,9 @@ public:
/// Return true when a CPU region is modified from the GPU
[[nodiscard]] bool IsRegionGpuModified(VAddr addr, size_t size);
+ /// Return true when a CPU region is modified from the GPU
+ [[nodiscard]] bool IsRegionCpuModified(VAddr addr, size_t size);
+
std::mutex mutex;
private:
@@ -272,8 +280,6 @@ private:
void DeleteBuffer(BufferId buffer_id);
- void ReplaceBufferDownloads(BufferId old_buffer_id, BufferId new_buffer_id);
-
void NotifyBufferDeletion();
[[nodiscard]] Binding StorageBufferBinding(GPUVAddr ssbo_addr) const;
@@ -328,8 +334,9 @@ private:
std::vector<BufferId> cached_write_buffer_ids;
// TODO: This data structure is not optimal and it should be reworked
- std::vector<BufferId> uncommitted_downloads;
- std::deque<std::vector<BufferId>> committed_downloads;
+ IntervalSet uncommitted_ranges;
+ std::deque<IntervalSet> committed_ranges;
+ std::deque<boost::container::small_vector<BufferCopy, 4>> pending_downloads;
size_t immediate_buffer_capacity = 0;
std::unique_ptr<u8[]> immediate_buffer_alloc;
@@ -547,82 +554,101 @@ void BufferCache<P>::FlushCachedWrites() {
template <class P>
bool BufferCache<P>::HasUncommittedFlushes() const noexcept {
- return !uncommitted_downloads.empty();
+ return !uncommitted_ranges.empty();
}
template <class P>
bool BufferCache<P>::ShouldWaitAsyncFlushes() const noexcept {
- return !committed_downloads.empty() && !committed_downloads.front().empty();
-}
-
-template <class P>
-void BufferCache<P>::CommitAsyncFlushes() {
- // This is intentionally passing the value by copy
- committed_downloads.push_front(uncommitted_downloads);
- uncommitted_downloads.clear();
+ return false;
}
template <class P>
-void BufferCache<P>::PopAsyncFlushes() {
- if (committed_downloads.empty()) {
- return;
- }
- auto scope_exit_pop_download = detail::ScopeExit([this] { committed_downloads.pop_back(); });
- const std::span<const BufferId> download_ids = committed_downloads.back();
- if (download_ids.empty()) {
- return;
- }
- MICROPROFILE_SCOPE(GPU_DownloadMemory);
-
- boost::container::small_vector<std::pair<BufferCopy, BufferId>, 1> downloads;
- u64 total_size_bytes = 0;
- u64 largest_copy = 0;
- for (const BufferId buffer_id : download_ids) {
- slot_buffers[buffer_id].ForEachDownloadRange([&](u64 range_offset, u64 range_size) {
+void BufferCache<P>::CommitAsyncFlushesHigh() {
+ const IntervalSet& intervals = uncommitted_ranges;
+ if (intervals.empty()) {
+ return;
+ }
+ MICROPROFILE_SCOPE(GPU_DownloadMemory);
+
+ 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();
+ ASSERT(!IsRegionCpuModified(cpu_addr_base, new_size));
downloads.push_back({
BufferCopy{
- .src_offset = range_offset,
+ .src_offset = new_offset,
.dst_offset = total_size_bytes,
- .size = range_size,
+ .size = new_size,
},
buffer_id,
});
- total_size_bytes += range_size;
- largest_copy = std::max(largest_copy, range_size);
- });
- }
- if (downloads.empty()) {
- return;
- }
- if constexpr (USE_MEMORY_MAPS) {
- auto download_staging = runtime.DownloadStagingBuffer(total_size_bytes);
- for (auto& [copy, buffer_id] : downloads) {
- // Have in mind the staging buffer offset for the copy
- copy.dst_offset += download_staging.offset;
- const std::array copies{copy};
- runtime.CopyBuffer(download_staging.buffer, slot_buffers[buffer_id], copies);
- }
- runtime.Finish();
- for (const auto& [copy, buffer_id] : downloads) {
- const Buffer& buffer = slot_buffers[buffer_id];
- const VAddr cpu_addr = buffer.CpuAddr() + copy.src_offset;
- // Undo the modified offset
- const u64 dst_offset = copy.dst_offset - download_staging.offset;
- const u8* read_mapped_memory = download_staging.mapped_span.data() + dst_offset;
- cpu_memory.WriteBlockUnsafe(cpu_addr, read_mapped_memory, copy.size);
- }
+ total_size_bytes += new_size;
+ buffer.UnmarkRegionAsGpuModified(cpu_addr_base, new_size);
+ largest_copy = std::max(largest_copy, new_size);
+ });
+ });
+ }
+ if (downloads.empty()) {
+ return;
+ }
+ if constexpr (USE_MEMORY_MAPS) {
+ auto download_staging = runtime.DownloadStagingBuffer(total_size_bytes);
+ for (auto& [copy, buffer_id] : downloads) {
+ // Have in mind the staging buffer offset for the copy
+ copy.dst_offset += download_staging.offset;
+ const std::array copies{copy};
+ runtime.CopyBuffer(download_staging.buffer, slot_buffers[buffer_id], copies);
+ }
+ runtime.Finish();
+ for (const auto& [copy, buffer_id] : downloads) {
+ const Buffer& buffer = slot_buffers[buffer_id];
+ const VAddr cpu_addr = buffer.CpuAddr() + copy.src_offset;
+ // Undo the modified offset
+ const u64 dst_offset = copy.dst_offset - download_staging.offset;
+ const u8* read_mapped_memory = download_staging.mapped_span.data() + dst_offset;
+ cpu_memory.WriteBlockUnsafe(cpu_addr, read_mapped_memory, copy.size);
+ }
+ } else {
+ const std::span<u8> immediate_buffer = ImmediateBuffer(largest_copy);
+ for (const auto& [copy, buffer_id] : downloads) {
+ Buffer& buffer = slot_buffers[buffer_id];
+ buffer.ImmediateDownload(copy.src_offset, immediate_buffer.subspan(0, copy.size));
+ const VAddr cpu_addr = buffer.CpuAddr() + copy.src_offset;
+ cpu_memory.WriteBlockUnsafe(cpu_addr, immediate_buffer.data(), copy.size);
+ }
+ }
+}
+
+template <class P>
+void BufferCache<P>::CommitAsyncFlushes() {
+ if (Settings::values.gpu_accuracy.GetValue() == Settings::GPUAccuracy::High) {
+ CommitAsyncFlushesHigh();
} else {
- const std::span<u8> immediate_buffer = ImmediateBuffer(largest_copy);
- for (const auto& [copy, buffer_id] : downloads) {
- Buffer& buffer = slot_buffers[buffer_id];
- buffer.ImmediateDownload(copy.src_offset, immediate_buffer.subspan(0, copy.size));
- const VAddr cpu_addr = buffer.CpuAddr() + copy.src_offset;
- cpu_memory.WriteBlockUnsafe(cpu_addr, immediate_buffer.data(), copy.size);
- }
+ uncommitted_ranges.clear();
}
}
template <class P>
+void BufferCache<P>::PopAsyncFlushes() {
+
+}
+
+template <class P>
bool BufferCache<P>::IsRegionGpuModified(VAddr addr, size_t size) {
const u64 page_end = Common::DivCeil(addr + size, PAGE_SIZE);
for (u64 page = addr >> PAGE_BITS; page < page_end;) {
@@ -642,6 +668,25 @@ bool BufferCache<P>::IsRegionGpuModified(VAddr addr, size_t size) {
}
template <class P>
+bool BufferCache<P>::IsRegionCpuModified(VAddr addr, size_t size) {
+ const u64 page_end = Common::DivCeil(addr + size, PAGE_SIZE);
+ for (u64 page = addr >> PAGE_BITS; page < page_end;) {
+ const BufferId image_id = page_table[page];
+ if (!image_id) {
+ ++page;
+ continue;
+ }
+ Buffer& buffer = slot_buffers[image_id];
+ if (buffer.IsRegionCpuModified(addr, size)) {
+ return true;
+ }
+ const VAddr end_addr = buffer.CpuAddr() + buffer.SizeBytes();
+ page = Common::DivCeil(end_addr, PAGE_SIZE);
+ }
+ return false;
+}
+
+template <class P>
void BufferCache<P>::BindHostIndexBuffer() {
Buffer& buffer = slot_buffers[index_buffer.buffer_id];
TouchBuffer(buffer);
@@ -1010,16 +1055,13 @@ void BufferCache<P>::MarkWrittenBuffer(BufferId buffer_id, VAddr cpu_addr, u32 s
Buffer& buffer = slot_buffers[buffer_id];
buffer.MarkRegionAsGpuModified(cpu_addr, size);
- const bool is_accuracy_high = Settings::IsGPULevelHigh();
+ const bool is_accuracy_high = Settings::values.gpu_accuracy.GetValue() == Settings::GPUAccuracy::High;
const bool is_async = Settings::values.use_asynchronous_gpu_emulation.GetValue();
- if (!is_accuracy_high || !is_async) {
- return;
- }
- if (std::ranges::find(uncommitted_downloads, buffer_id) != uncommitted_downloads.end()) {
- // Already inserted
+ if (!is_async && !is_accuracy_high) {
return;
}
- uncommitted_downloads.push_back(buffer_id);
+ const IntervalType base_interval{cpu_addr, cpu_addr + size};
+ uncommitted_ranges.add(base_interval);
}
template <class P>
@@ -1103,7 +1145,6 @@ void BufferCache<P>::JoinOverlap(BufferId new_buffer_id, BufferId overlap_id,
if (!copies.empty()) {
runtime.CopyBuffer(slot_buffers[new_buffer_id], overlap, copies);
}
- ReplaceBufferDownloads(overlap_id, new_buffer_id);
DeleteBuffer(overlap_id);
}
@@ -1244,7 +1285,7 @@ void BufferCache<P>::DownloadBufferMemory(Buffer& buffer, VAddr cpu_addr, u64 si
boost::container::small_vector<BufferCopy, 1> copies;
u64 total_size_bytes = 0;
u64 largest_copy = 0;
- buffer.ForEachDownloadRange(cpu_addr, size, [&](u64 range_offset, u64 range_size) {
+ buffer.ForEachDownloadRange(cpu_addr, size, true, [&](u64 range_offset, u64 range_size) {
copies.push_back(BufferCopy{
.src_offset = range_offset,
.dst_offset = total_size_bytes,
@@ -1316,18 +1357,6 @@ void BufferCache<P>::DeleteBuffer(BufferId buffer_id) {
}
template <class P>
-void BufferCache<P>::ReplaceBufferDownloads(BufferId old_buffer_id, BufferId new_buffer_id) {
- const auto replace = [old_buffer_id, new_buffer_id](std::vector<BufferId>& buffers) {
- std::ranges::replace(buffers, old_buffer_id, new_buffer_id);
- if (auto it = std::ranges::find(buffers, new_buffer_id); it != buffers.end()) {
- buffers.erase(std::remove(it + 1, buffers.end(), new_buffer_id), buffers.end());
- }
- };
- replace(uncommitted_downloads);
- std::ranges::for_each(committed_downloads, replace);
-}
-
-template <class P>
void BufferCache<P>::NotifyBufferDeletion() {
if constexpr (HAS_PERSISTENT_UNIFORM_BUFFER_BINDINGS) {
dirty_uniform_buffers.fill(~u32{0});
diff --git a/src/video_core/texture_cache/types.h b/src/video_core/texture_cache/types.h
index 9fbdc1ac6..47a11cb2f 100644
--- a/src/video_core/texture_cache/types.h
+++ b/src/video_core/texture_cache/types.h
@@ -133,8 +133,8 @@ struct BufferImageCopy {
};
struct BufferCopy {
- size_t src_offset;
- size_t dst_offset;
+ u64 src_offset;
+ u64 dst_offset;
size_t size;
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 01:01:11 +0100