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Code Issues Releases Activity

Buffer Cache: Fixes to DMA Copy.

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This commit is contained in:
Fernando Sahmkow 2021-07-14 18:25:33 +02:00
parent 495b8e31b5
commit a0eb3f8a3e
1 changed files with 7 additions and 6 deletions
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13
src/video_core/buffer_cache/buffer_cache.h
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@ -172,7 +172,7 @@ public:
[[nodiscard]] bool IsRegionGpuModified(VAddr addr, size_t size); [[nodiscard]] bool IsRegionGpuModified(VAddr addr, size_t size);
/// Return true when a region is registered on the cache /// Return true when a region is registered on the cache
[[nodiscard]] bool IsRegionRegistered(VAddr addr, size_t size); [[nodiscard]] bool IsRegionRegistered(VAddr addr, size_t size) const;
/// Return true when a CPU region is modified from the CPU /// Return true when a CPU region is modified from the CPU
[[nodiscard]] bool IsRegionCpuModified(VAddr addr, size_t size); [[nodiscard]] bool IsRegionCpuModified(VAddr addr, size_t size);
@ -503,6 +503,11 @@ bool BufferCache<P>::DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 am
auto& src_buffer = slot_buffers[buffer_a]; auto& src_buffer = slot_buffers[buffer_a];
auto& dest_buffer = slot_buffers[buffer_b]; auto& dest_buffer = slot_buffers[buffer_b];
SynchronizeBuffer(src_buffer, *cpu_src_address, static_cast<u32>(amount)); SynchronizeBuffer(src_buffer, *cpu_src_address, static_cast<u32>(amount));
const VAddr aligned_dst = Common::AlignUp(*cpu_dest_address, 64);
const u64 diff = aligned_dst - *cpu_dest_address;
const u64 new_amount = diff > amount ? 0 : amount - diff;
dest_buffer.UnmarkRegionAsCpuModified(aligned_dst, Common::AlignDown(new_amount, 64));
SynchronizeBuffer(dest_buffer, *cpu_dest_address, static_cast<u32>(amount));
std::array copies{BufferCopy{ std::array copies{BufferCopy{
.src_offset = src_buffer.Offset(*cpu_src_address), .src_offset = src_buffer.Offset(*cpu_src_address),
.dst_offset = dest_buffer.Offset(*cpu_dest_address), .dst_offset = dest_buffer.Offset(*cpu_dest_address),
@ -526,11 +531,7 @@ bool BufferCache<P>::DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 am
common_ranges.add(add_interval); common_ranges.add(add_interval);
} }
if (dest_buffer.HasCachedWrites()) {
dest_buffer.FlushCachedWrites();
}
runtime.CopyBuffer(dest_buffer, src_buffer, copies); runtime.CopyBuffer(dest_buffer, src_buffer, copies);
dest_buffer.UnmarkRegionAsCpuModified(*cpu_dest_address, amount);
if (atleast_1_download) { if (atleast_1_download) {
dest_buffer.MarkRegionAsGpuModified(*cpu_dest_address, amount); dest_buffer.MarkRegionAsGpuModified(*cpu_dest_address, amount);
} }
@ -827,7 +828,7 @@ bool BufferCache<P>::IsRegionGpuModified(VAddr addr, size_t size) {
} }
template <class P> template <class P>
bool BufferCache<P>::IsRegionRegistered(VAddr addr, size_t size) { bool BufferCache<P>::IsRegionRegistered(VAddr addr, size_t size) const {
const VAddr end_addr = addr + size; const VAddr end_addr = addr + size;
const u64 page_end = Common::DivCeil(end_addr, PAGE_SIZE); const u64 page_end = Common::DivCeil(end_addr, PAGE_SIZE);
for (u64 page = addr >> PAGE_BITS; page < page_end;) { for (u64 page = addr >> PAGE_BITS; page < page_end;) {