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early-access version 1870

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pineappleEA
2021-07-12 20:42:10 +02:00
parent c28ecd0f43
commit f8a45c1e72
36 changed files with 362 additions and 150 deletions
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150
src/video_core/buffer_cache/buffer_cache.h
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@@ -186,6 +186,8 @@ public:
/// Pop asynchronous downloads
void PopAsyncFlushes();
[[nodiscard]] bool DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 amount);
/// Return true when a CPU region is modified from the GPU
[[nodiscard]] bool IsRegionGpuModified(VAddr addr, size_t size);
@@ -223,6 +225,36 @@ private:
}
}
template <typename Func>
void ForEachWrittenRange(VAddr cpu_addr, u64 size, Func&& func) {
const VAddr start_address = cpu_addr;
const VAddr end_address = start_address + size;
const VAddr search_base =
static_cast<VAddr>(std::min<s64>(0LL, static_cast<s64>(start_address - size)));
const IntervalType search_interval{search_base, search_base + 1};
auto it = common_ranges.lower_bound(search_interval);
if (it == common_ranges.end()) {
it = common_ranges.begin();
}
for (; it != common_ranges.end(); it++) {
VAddr inter_addr_end = it->upper();
VAddr inter_addr = it->lower();
if (inter_addr >= end_address) {
break;
}
if (inter_addr_end <= start_address) {
continue;
}
if (inter_addr_end > end_address) {
inter_addr_end = end_address;
}
if (inter_addr < start_address) {
inter_addr = start_address;
}
func(inter_addr, inter_addr_end);
}
}
static bool IsRangeGranular(VAddr cpu_addr, size_t size) {
return (cpu_addr & ~Core::Memory::PAGE_MASK) ==
((cpu_addr + size) & ~Core::Memory::PAGE_MASK);
@@ -477,6 +509,68 @@ void BufferCache<P>::DownloadMemory(VAddr cpu_addr, u64 size) {
});
}
template <class P>
bool BufferCache<P>::DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 amount) {
const std::optional<VAddr> cpu_src_address = gpu_memory.GpuToCpuAddress(src_address);
const std::optional<VAddr> cpu_dest_address = gpu_memory.GpuToCpuAddress(dest_address);
if (!cpu_src_address || !cpu_dest_address) {
return false;
}
const bool source_dirty = IsRegionGpuModified(*cpu_src_address, amount);
const bool dest_dirty = IsRegionGpuModified(*cpu_dest_address, amount);
if (!source_dirty && !dest_dirty) {
return false;
}
const IntervalType subtract_interval{*cpu_dest_address, *cpu_dest_address + amount};
uncommitted_ranges.subtract(subtract_interval);
for (auto& interval_set : committed_ranges) {
interval_set.subtract(subtract_interval);
}
BufferId buffer_a;
BufferId buffer_b;
do {
has_deleted_buffers = false;
buffer_a = FindBuffer(*cpu_src_address, static_cast<u32>(amount));
buffer_b = FindBuffer(*cpu_dest_address, static_cast<u32>(amount));
} while (has_deleted_buffers);
auto& src_buffer = slot_buffers[buffer_a];
auto& dest_buffer = slot_buffers[buffer_b];
SynchronizeBuffer(src_buffer, *cpu_src_address, static_cast<u32>(amount));
SynchronizeBuffer(dest_buffer, *cpu_dest_address, static_cast<u32>(amount));
std::array copies{BufferCopy{
.src_offset = src_buffer.Offset(*cpu_src_address),
.dst_offset = dest_buffer.Offset(*cpu_dest_address),
.size = amount,
}};
boost::container::small_vector<IntervalType, 4> tmp_intervals;
auto mirror = [&](VAddr base_address, VAddr base_address_end) {
const u64 size = base_address_end - base_address;
const VAddr diff = base_address - *cpu_src_address;
const VAddr new_base_address = *cpu_dest_address + diff;
const IntervalType add_interval{new_base_address, new_base_address + size};
uncommitted_ranges.add(add_interval);
tmp_intervals.push_back(add_interval);
};
ForEachWrittenRange(*cpu_src_address, amount, mirror);
// This subtraction in this order is important for overlapping copies.
common_ranges.subtract(subtract_interval);
for (const IntervalType add_interval : tmp_intervals) {
common_ranges.add(add_interval);
}
runtime.CopyBuffer(dest_buffer, src_buffer, copies);
if (source_dirty) {
dest_buffer.MarkRegionAsGpuModified(*cpu_dest_address, amount);
}
std::vector<u8> tmp_buffer(amount);
cpu_memory.ReadBlockUnsafe(*cpu_src_address, tmp_buffer.data(), amount);
cpu_memory.WriteBlockUnsafe(*cpu_dest_address, tmp_buffer.data(), amount);
return true;
}
template <class P>
void BufferCache<P>::BindGraphicsUniformBuffer(size_t stage, u32 index, GPUVAddr gpu_addr,
u32 size) {
@@ -711,30 +805,7 @@ void BufferCache<P>::CommitAsyncFlushesHigh() {
const VAddr start_address = buffer_addr + range_offset;
const VAddr end_address = start_address + range_size;
const IntervalType search_interval{cpu_addr, 1};
auto it = common_ranges.lower_bound(search_interval);
if (it == common_ranges.end()) {
it = common_ranges.begin();
}
while (it != common_ranges.end()) {
VAddr inter_addr_end = it->upper();
VAddr inter_addr = it->lower();
if (inter_addr >= end_address) {
break;
}
if (inter_addr_end <= start_address) {
it++;
continue;
}
if (inter_addr_end > end_address) {
inter_addr_end = end_address;
}
if (inter_addr < start_address) {
inter_addr = start_address;
}
add_download(inter_addr, inter_addr_end);
it++;
}
ForEachWrittenRange(start_address, range_size, add_download);
const IntervalType subtract_interval{start_address, end_address};
common_ranges.subtract(subtract_interval);
});
@@ -832,7 +903,9 @@ void BufferCache<P>::BindHostIndexBuffer() {
const u32 size = index_buffer.size;
SynchronizeBuffer(buffer, index_buffer.cpu_addr, size);
if constexpr (HAS_FULL_INDEX_AND_PRIMITIVE_SUPPORT) {
runtime.BindIndexBuffer(buffer, offset, size);
const u32 new_offset = offset + maxwell3d.regs.index_array.first *
maxwell3d.regs.index_array.FormatSizeInBytes();
runtime.BindIndexBuffer(buffer, new_offset, size);
} else {
runtime.BindIndexBuffer(maxwell3d.regs.draw.topology, maxwell3d.regs.index_array.format,
maxwell3d.regs.index_array.first, maxwell3d.regs.index_array.count,
@@ -1113,7 +1186,7 @@ void BufferCache<P>::UpdateIndexBuffer() {
const GPUVAddr gpu_addr_end = index_array.EndAddress();
const std::optional<VAddr> cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr_begin);
const u32 address_size = static_cast<u32>(gpu_addr_end - gpu_addr_begin);
const u32 draw_size = index_array.count * index_array.FormatSizeInBytes();
const u32 draw_size = (index_array.count + index_array.first) * index_array.FormatSizeInBytes();
const u32 size = std::min(address_size, draw_size);
if (size == 0 || !cpu_addr) {
index_buffer = NULL_BINDING;
@@ -1535,30 +1608,7 @@ void BufferCache<P>::DownloadBufferMemory(Buffer& buffer, VAddr cpu_addr, u64 si
const VAddr start_address = buffer_addr + range_offset;
const VAddr end_address = start_address + range_size;
const IntervalType search_interval{start_address - range_size, 1};
auto it = common_ranges.lower_bound(search_interval);
if (it == common_ranges.end()) {
it = common_ranges.begin();
}
while (it != common_ranges.end()) {
VAddr inter_addr_end = it->upper();
VAddr inter_addr = it->lower();
if (inter_addr >= end_address) {
break;
}
if (inter_addr_end <= start_address) {
it++;
continue;
}
if (inter_addr_end > end_address) {
inter_addr_end = end_address;
}
if (inter_addr < start_address) {
inter_addr = start_address;
}
add_download(inter_addr, inter_addr_end);
it++;
}
ForEachWrittenRange(start_address, range_size, add_download);
const IntervalType subtract_interval{start_address, end_address};
common_ranges.subtract(subtract_interval);
});