VulkanBufferCache: Avoid adding barriers between multiple copies.
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99547d2656
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c5dbd93adb
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@ -853,12 +853,14 @@ void BufferCache<P>::CommitAsyncFlushesHigh() {
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}
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if constexpr (USE_MEMORY_MAPS) {
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auto download_staging = runtime.DownloadStagingBuffer(total_size_bytes);
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runtime.PreCopyBarrier();
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for (auto& [copy, buffer_id] : downloads) {
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// Have in mind the staging buffer offset for the copy
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copy.dst_offset += download_staging.offset;
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const std::array copies{copy};
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runtime.CopyBuffer(download_staging.buffer, slot_buffers[buffer_id], copies);
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runtime.CopyBuffer(download_staging.buffer, slot_buffers[buffer_id], copies, false);
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}
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runtime.PostCopyBarrier();
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runtime.Finish();
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for (const auto& [copy, buffer_id] : downloads) {
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const Buffer& buffer = slot_buffers[buffer_id];
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@ -146,7 +146,7 @@ void BufferCacheRuntime::Finish() {
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}
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void BufferCacheRuntime::CopyBuffer(VkBuffer dst_buffer, VkBuffer src_buffer,
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std::span<const VideoCommon::BufferCopy> copies) {
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std::span<const VideoCommon::BufferCopy> copies, bool barrier) {
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static constexpr VkMemoryBarrier READ_BARRIER{
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.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
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.pNext = nullptr,
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@ -163,10 +163,42 @@ void BufferCacheRuntime::CopyBuffer(VkBuffer dst_buffer, VkBuffer src_buffer,
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boost::container::small_vector<VkBufferCopy, 3> vk_copies(copies.size());
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std::ranges::transform(copies, vk_copies.begin(), MakeBufferCopy);
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scheduler.RequestOutsideRenderPassOperationContext();
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scheduler.Record([src_buffer, dst_buffer, vk_copies](vk::CommandBuffer cmdbuf) {
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scheduler.Record([src_buffer, dst_buffer, vk_copies, barrier](vk::CommandBuffer cmdbuf) {
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if (barrier) {
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cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
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VK_PIPELINE_STAGE_TRANSFER_BIT, 0, READ_BARRIER);
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}
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cmdbuf.CopyBuffer(src_buffer, dst_buffer, vk_copies);
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if (barrier) {
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cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT,
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VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, 0, WRITE_BARRIER);
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}
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});
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}
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void BufferCacheRuntime::PreCopyBarrier() {
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static constexpr VkMemoryBarrier READ_BARRIER{
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.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
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.pNext = nullptr,
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.srcAccessMask = VK_ACCESS_MEMORY_WRITE_BIT,
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.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT | VK_ACCESS_TRANSFER_WRITE_BIT,
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};
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scheduler.RequestOutsideRenderPassOperationContext();
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scheduler.Record([](vk::CommandBuffer cmdbuf) {
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cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT,
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0, READ_BARRIER);
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cmdbuf.CopyBuffer(src_buffer, dst_buffer, vk_copies);
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});
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}
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void BufferCacheRuntime::PostCopyBarrier() {
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static constexpr VkMemoryBarrier WRITE_BARRIER{
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.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
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.pNext = nullptr,
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.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
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.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT,
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};
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scheduler.RequestOutsideRenderPassOperationContext();
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scheduler.Record([](vk::CommandBuffer cmdbuf) {
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cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
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0, WRITE_BARRIER);
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});
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@ -69,8 +69,12 @@ public:
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[[nodiscard]] StagingBufferRef DownloadStagingBuffer(size_t size);
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void PreCopyBarrier();
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void CopyBuffer(VkBuffer src_buffer, VkBuffer dst_buffer,
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std::span<const VideoCommon::BufferCopy> copies);
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std::span<const VideoCommon::BufferCopy> copies, bool barrier = true);
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void PostCopyBarrier();
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void ClearBuffer(VkBuffer dest_buffer, u32 offset, size_t size, u32 value);
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