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-rw-r--r--src/video_core/buffer_cache/buffer_cache.h114
-rw-r--r--src/video_core/buffer_cache/map_interval.h28
2 files changed, 72 insertions, 70 deletions
diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h
index 81134eb1f..eb03879c4 100644
--- a/src/video_core/buffer_cache/buffer_cache.h
+++ b/src/video_core/buffer_cache/buffer_cache.h
@@ -29,8 +29,6 @@
namespace VideoCommon {
-using MapInterval = std::shared_ptr<MapIntervalBase>;
-
template <typename OwnerBuffer, typename BufferType, typename StreamBuffer>
class BufferCache {
public:
@@ -76,7 +74,10 @@ public:
}
auto block = GetBlock(cpu_addr, size);
- auto map = MapAddress(block, gpu_addr, cpu_addr, size);
+ MapInterval* const map = MapAddress(block, gpu_addr, cpu_addr, size);
+ if (!map) {
+ return {GetEmptyBuffer(size), 0};
+ }
if (is_written) {
map->MarkAsModified(true, GetModifiedTicks());
if (Settings::IsGPULevelHigh() && Settings::values.use_asynchronous_gpu_emulation) {
@@ -130,11 +131,10 @@ public:
void FlushRegion(VAddr addr, std::size_t size) {
std::lock_guard lock{mutex};
- std::vector<MapInterval> objects = GetMapsInRange(addr, size);
- std::sort(
- objects.begin(), objects.end(),
- [](const MapInterval& lhs, const MapInterval& rhs) { return lhs->ticks < rhs->ticks; });
- for (auto& object : objects) {
+ std::vector<MapInterval*> objects = GetMapsInRange(addr, size);
+ std::sort(objects.begin(), objects.end(),
+ [](MapInterval* lhs, MapInterval* rhs) { return lhs->ticks < rhs->ticks; });
+ for (MapInterval* object : objects) {
if (object->is_modified && object->is_registered) {
mutex.unlock();
FlushMap(object);
@@ -146,8 +146,8 @@ public:
bool MustFlushRegion(VAddr addr, std::size_t size) {
std::lock_guard lock{mutex};
- const std::vector<MapInterval> objects = GetMapsInRange(addr, size);
- return std::any_of(objects.cbegin(), objects.cend(), [](const MapInterval& map) {
+ const std::vector<MapInterval*> objects = GetMapsInRange(addr, size);
+ return std::any_of(objects.cbegin(), objects.cend(), [](const MapInterval* map) {
return map->is_modified && map->is_registered;
});
}
@@ -156,7 +156,7 @@ public:
void InvalidateRegion(VAddr addr, u64 size) {
std::lock_guard lock{mutex};
- std::vector<MapInterval> objects = GetMapsInRange(addr, size);
+ std::vector<MapInterval*> objects = GetMapsInRange(addr, size);
for (auto& object : objects) {
if (object->is_registered) {
Unregister(object);
@@ -167,7 +167,7 @@ public:
void OnCPUWrite(VAddr addr, std::size_t size) {
std::lock_guard lock{mutex};
- for (const auto& object : GetMapsInRange(addr, size)) {
+ for (MapInterval* object : GetMapsInRange(addr, size)) {
if (object->is_memory_marked && object->is_registered) {
UnmarkMemory(object);
object->is_sync_pending = true;
@@ -179,7 +179,7 @@ public:
void SyncGuestHost() {
std::lock_guard lock{mutex};
- for (const auto& object : marked_for_unregister) {
+ for (auto& object : marked_for_unregister) {
if (object->is_registered) {
object->is_sync_pending = false;
Unregister(object);
@@ -190,8 +190,8 @@ public:
void CommitAsyncFlushes() {
if (uncommitted_flushes) {
- auto commit_list = std::make_shared<std::list<MapInterval>>();
- for (auto& map : *uncommitted_flushes) {
+ auto commit_list = std::make_shared<std::list<MapInterval*>>();
+ for (MapInterval* map : *uncommitted_flushes) {
if (map->is_registered && map->is_modified) {
// TODO(Blinkhawk): Implement backend asynchronous flushing
// AsyncFlushMap(map)
@@ -226,7 +226,7 @@ public:
committed_flushes.pop_front();
return;
}
- for (MapInterval& map : *flush_list) {
+ for (MapInterval* map : *flush_list) {
if (map->is_registered) {
// TODO(Blinkhawk): Replace this for reading the asynchronous flush
FlushMap(map);
@@ -263,26 +263,28 @@ protected:
}
/// Register an object into the cache
- void Register(const MapInterval& new_map, bool inherit_written = false) {
- const VAddr cpu_addr = new_map->start;
+ MapInterval* Register(MapInterval new_map, bool inherit_written = false) {
+ const VAddr cpu_addr = new_map.start;
if (!cpu_addr) {
LOG_CRITICAL(HW_GPU, "Failed to register buffer with unmapped gpu_address 0x{:016x}",
- new_map->gpu_addr);
- return;
+ new_map.gpu_addr);
+ return nullptr;
}
- const std::size_t size = new_map->end - new_map->start;
- new_map->is_registered = true;
- const IntervalType interval{new_map->start, new_map->end};
- mapped_addresses.insert({interval, new_map});
+ const std::size_t size = new_map.end - new_map.start;
+ new_map.is_registered = true;
+ const IntervalType interval{new_map.start, new_map.end};
rasterizer.UpdatePagesCachedCount(cpu_addr, size, 1);
- new_map->is_memory_marked = true;
+ new_map.is_memory_marked = true;
if (inherit_written) {
- MarkRegionAsWritten(new_map->start, new_map->end - 1);
- new_map->is_written = true;
+ MarkRegionAsWritten(new_map.start, new_map.end - 1);
+ new_map.is_written = true;
}
+ mapped_addresses.insert({interval, new_map});
+ // Temporary hack until this is replaced with boost::intrusive::rbtree
+ return const_cast<MapInterval*>(&mapped_addresses.find(interval)->second);
}
- void UnmarkMemory(const MapInterval& map) {
+ void UnmarkMemory(MapInterval* map) {
if (!map->is_memory_marked) {
return;
}
@@ -292,7 +294,7 @@ protected:
}
/// Unregisters an object from the cache
- void Unregister(const MapInterval& map) {
+ void Unregister(MapInterval* map) {
UnmarkMemory(map);
map->is_registered = false;
if (map->is_sync_pending) {
@@ -307,17 +309,12 @@ protected:
}
private:
- MapInterval CreateMap(const VAddr start, const VAddr end, const GPUVAddr gpu_addr) {
- return std::make_shared<MapIntervalBase>(start, end, gpu_addr);
- }
-
- MapInterval MapAddress(const OwnerBuffer& block, const GPUVAddr gpu_addr, const VAddr cpu_addr,
- const std::size_t size) {
- std::vector<MapInterval> overlaps = GetMapsInRange(cpu_addr, size);
+ MapInterval* MapAddress(const OwnerBuffer& block, GPUVAddr gpu_addr, VAddr cpu_addr,
+ std::size_t size) {
+ std::vector<MapInterval*> overlaps = GetMapsInRange(cpu_addr, size);
if (overlaps.empty()) {
auto& memory_manager = system.GPU().MemoryManager();
const VAddr cpu_addr_end = cpu_addr + size;
- MapInterval new_map = CreateMap(cpu_addr, cpu_addr_end, gpu_addr);
if (memory_manager.IsGranularRange(gpu_addr, size)) {
u8* host_ptr = memory_manager.GetPointer(gpu_addr);
UploadBlockData(block, block->GetOffset(cpu_addr), size, host_ptr);
@@ -326,13 +323,12 @@ private:
memory_manager.ReadBlockUnsafe(gpu_addr, staging_buffer.data(), size);
UploadBlockData(block, block->GetOffset(cpu_addr), size, staging_buffer.data());
}
- Register(new_map);
- return new_map;
+ return Register(MapInterval(cpu_addr, cpu_addr_end, gpu_addr));
}
const VAddr cpu_addr_end = cpu_addr + size;
if (overlaps.size() == 1) {
- MapInterval& current_map = overlaps[0];
+ MapInterval* const current_map = overlaps[0];
if (current_map->IsInside(cpu_addr, cpu_addr_end)) {
return current_map;
}
@@ -342,7 +338,7 @@ private:
bool write_inheritance = false;
bool modified_inheritance = false;
// Calculate new buffer parameters
- for (auto& overlap : overlaps) {
+ for (MapInterval* overlap : overlaps) {
new_start = std::min(overlap->start, new_start);
new_end = std::max(overlap->end, new_end);
write_inheritance |= overlap->is_written;
@@ -353,19 +349,23 @@ private:
Unregister(overlap);
}
UpdateBlock(block, new_start, new_end, overlaps);
- MapInterval new_map = CreateMap(new_start, new_end, new_gpu_addr);
+
+ const MapInterval new_map{new_start, new_end, new_gpu_addr};
+ MapInterval* const map = Register(new_map, write_inheritance);
+ if (!map) {
+ return nullptr;
+ }
if (modified_inheritance) {
- new_map->MarkAsModified(true, GetModifiedTicks());
+ map->MarkAsModified(true, GetModifiedTicks());
if (Settings::IsGPULevelHigh() && Settings::values.use_asynchronous_gpu_emulation) {
- MarkForAsyncFlush(new_map);
+ MarkForAsyncFlush(map);
}
}
- Register(new_map, write_inheritance);
- return new_map;
+ return map;
}
void UpdateBlock(const OwnerBuffer& block, VAddr start, VAddr end,
- std::vector<MapInterval>& overlaps) {
+ std::vector<MapInterval*>& overlaps) {
const IntervalType base_interval{start, end};
IntervalSet interval_set{};
interval_set.add(base_interval);
@@ -384,15 +384,15 @@ private:
}
}
- std::vector<MapInterval> GetMapsInRange(VAddr addr, std::size_t size) {
+ std::vector<MapInterval*> GetMapsInRange(VAddr addr, std::size_t size) {
if (size == 0) {
return {};
}
- std::vector<MapInterval> objects{};
+ std::vector<MapInterval*> objects;
const IntervalType interval{addr, addr + size};
for (auto& pair : boost::make_iterator_range(mapped_addresses.equal_range(interval))) {
- objects.push_back(pair.second);
+ objects.push_back(&pair.second);
}
return objects;
@@ -403,8 +403,8 @@ private:
return ++modified_ticks;
}
- void FlushMap(MapInterval map) {
- std::size_t size = map->end - map->start;
+ void FlushMap(MapInterval* map) {
+ const std::size_t size = map->end - map->start;
OwnerBuffer block = blocks[map->start >> block_page_bits];
staging_buffer.resize(size);
DownloadBlockData(block, block->GetOffset(map->start), size, staging_buffer.data());
@@ -545,9 +545,9 @@ private:
return false;
}
- void MarkForAsyncFlush(MapInterval& map) {
+ void MarkForAsyncFlush(MapInterval* map) {
if (!uncommitted_flushes) {
- uncommitted_flushes = std::make_shared<std::unordered_set<MapInterval>>();
+ uncommitted_flushes = std::make_shared<std::unordered_set<MapInterval*>>();
}
uncommitted_flushes->insert(map);
}
@@ -581,10 +581,10 @@ private:
u64 modified_ticks = 0;
std::vector<u8> staging_buffer;
- std::list<MapInterval> marked_for_unregister;
+ std::list<MapInterval*> marked_for_unregister;
- std::shared_ptr<std::unordered_set<MapInterval>> uncommitted_flushes;
- std::list<std::shared_ptr<std::list<MapInterval>>> committed_flushes;
+ std::shared_ptr<std::unordered_set<MapInterval*>> uncommitted_flushes;
+ std::list<std::shared_ptr<std::list<MapInterval*>>> committed_flushes;
std::recursive_mutex mutex;
};
diff --git a/src/video_core/buffer_cache/map_interval.h b/src/video_core/buffer_cache/map_interval.h
index 1e77012d9..ad4db0135 100644
--- a/src/video_core/buffer_cache/map_interval.h
+++ b/src/video_core/buffer_cache/map_interval.h
@@ -9,30 +9,32 @@
namespace VideoCommon {
-struct MapIntervalBase {
- constexpr explicit MapIntervalBase(VAddr start, VAddr end, GPUVAddr gpu_addr) noexcept
+struct MapInterval {
+ constexpr explicit MapInterval() noexcept = default;
+
+ constexpr explicit MapInterval(VAddr start, VAddr end, GPUVAddr gpu_addr) noexcept
: start{start}, end{end}, gpu_addr{gpu_addr} {}
- constexpr bool IsInside(const VAddr other_start, const VAddr other_end) const noexcept {
+ constexpr bool IsInside(VAddr other_start, VAddr other_end) const noexcept {
return (start <= other_start && other_end <= end);
}
- constexpr void MarkAsModified(bool is_modified_, u64 ticks_) noexcept {
- is_modified = is_modified_;
- ticks = ticks_;
- }
-
- constexpr bool operator==(const MapIntervalBase& rhs) const noexcept {
+ constexpr bool operator==(const MapInterval& rhs) const noexcept {
return start == rhs.start && end == rhs.end;
}
- constexpr bool operator!=(const MapIntervalBase& rhs) const noexcept {
+ constexpr bool operator!=(const MapInterval& rhs) const noexcept {
return !operator==(rhs);
}
- VAddr start;
- VAddr end;
- GPUVAddr gpu_addr;
+ constexpr void MarkAsModified(bool is_modified_, u64 ticks_) noexcept {
+ is_modified = is_modified_;
+ ticks = ticks_;
+ }
+
+ VAddr start = 0;
+ VAddr end = 0;
+ GPUVAddr gpu_addr = 0;
VAddr cpu_addr = 0;
u64 ticks = 0;
bool is_written = false;