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Accelerate DMA: Use texture cache async downloads to perform the copies

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WIP
This commit is contained in:
Fernando Sahmkow 2023-04-14 18:07:38 +02:00
parent 3fbee093b2
commit e3a2ca96bd
6 changed files with 123 additions and 53 deletions
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6
src/video_core/renderer_vulkan/vk_rasterizer.cpp
View file

@ -781,8 +781,7 @@ bool AccelerateDMA::DmaBufferImageCopy(const Tegra::DMA::ImageCopy& copy_info,
}
const u32 buffer_size = static_cast<u32>(buffer_operand.pitch * buffer_operand.height);
static constexpr auto sync_info = VideoCommon::ObtainBufferSynchronize::FullSynchronize;
const auto post_op = IS_IMAGE_UPLOAD ? VideoCommon::ObtainBufferOperation::DoNothing
: VideoCommon::ObtainBufferOperation::MarkAsWritten;
const auto post_op = VideoCommon::ObtainBufferOperation::DoNothing;
const auto [buffer, offset] =
buffer_cache.ObtainBuffer(buffer_operand.address, buffer_size, sync_info, post_op);
@ -793,7 +792,8 @@ bool AccelerateDMA::DmaBufferImageCopy(const Tegra::DMA::ImageCopy& copy_info,
if constexpr (IS_IMAGE_UPLOAD) {
image->UploadMemory(buffer->Handle(), offset, copy_span);
} else {
texture_cache.DownloadImageIntoBuffer(image, buffer->Handle(), offset, copy_span);
texture_cache.DownloadImageIntoBuffer(image, buffer->Handle(), offset, copy_span,
buffer_operand.address, buffer_size);
}
return true;
}

21
src/video_core/renderer_vulkan/vk_texture_cache.cpp
View file

@ -1342,17 +1342,19 @@ void Image::UploadMemory(const StagingBufferRef& map, std::span<const BufferImag
UploadMemory(map.buffer, map.offset, copies);
}
void Image::DownloadMemory(std::span<VkBuffer> buffers_span, VkDeviceSize offset,
void Image::DownloadMemory(std::span<VkBuffer> buffers_span, std::span<VkDeviceSize> offsets_span,
std::span<const VideoCommon::BufferImageCopy> copies) {
const bool is_rescaled = True(flags & ImageFlagBits::Rescaled);
if (is_rescaled) {
ScaleDown();
}
boost::container::small_vector<VkBuffer, 1> buffers_vector{};
for (auto& buffer : buffers_span) {
buffers_vector.push_back(buffer);
boost::container::small_vector<std::vector<VkBufferImageCopy>, 1> vk_copies;
for (size_t index = 0; index < buffers_span.size(); index++) {
buffers_vector.emplace_back(buffers_span[index]);
vk_copies.emplace_back(
TransformBufferImageCopies(copies, offsets_span[index], aspect_mask));
}
std::vector vk_copies = TransformBufferImageCopies(copies, offset, aspect_mask);
scheduler->RequestOutsideRenderPassOperationContext();
scheduler->Record([buffers = std::move(buffers_vector), image = *original_image,
aspect_mask = aspect_mask, vk_copies](vk::CommandBuffer cmdbuf) {
@ -1377,9 +1379,9 @@ void Image::DownloadMemory(std::span<VkBuffer> buffers_span, VkDeviceSize offset
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT,
0, read_barrier);
for (auto buffer : buffers) {
cmdbuf.CopyImageToBuffer(image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, buffer,
vk_copies);
for (size_t index = 0; index < buffers.size(); index++) {
cmdbuf.CopyImageToBuffer(image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, buffers[index],
vk_copies[index]);
}
const VkMemoryBarrier memory_write_barrier{
@ -1418,7 +1420,10 @@ void Image::DownloadMemory(const StagingBufferRef& map, std::span<const BufferIm
std::array buffers{
map.buffer,
};
DownloadMemory(buffers, map.offset, copies);
std::array offsets{
map.offset,
};
DownloadMemory(buffers, offsets, copies);
}
bool Image::IsRescaled() const noexcept {

2
src/video_core/renderer_vulkan/vk_texture_cache.h
View file

@ -138,7 +138,7 @@ public:
void UploadMemory(const StagingBufferRef& map,
std::span<const VideoCommon::BufferImageCopy> copies);
void DownloadMemory(std::span<VkBuffer> buffers, VkDeviceSize offset,
void DownloadMemory(std::span<VkBuffer> buffers, std::span<VkDeviceSize> offsets,
std::span<const VideoCommon::BufferImageCopy> copies);
void DownloadMemory(const StagingBufferRef& map,