Mirrors/yuzu
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Merge pull request #10996 from Kelebek1/readblock_optimisation

Browse source 
Use spans over guest memory where possible instead of copying data
This commit is contained in:
bunnei 2023-07-10 18:54:19 -07:00 • committed by GitHub
commit ce7c418e0c
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
23 changed files with 477 additions and 235 deletions
Download patch file Download diff file Expand all files Collapse all files

24
src/video_core/texture_cache/texture_cache.h
View file

@ -8,6 +8,7 @@
#include "common/alignment.h"
#include "common/settings.h"
#include "core/memory.h"
#include "video_core/control/channel_state.h"
#include "video_core/dirty_flags.h"
#include "video_core/engines/kepler_compute.h"
@ -1026,19 +1027,19 @@ void TextureCache<P>::UploadImageContents(Image& image, StagingBuffer& staging)
runtime.AccelerateImageUpload(image, staging, uploads);
return;
}
const size_t guest_size_bytes = image.guest_size_bytes;
swizzle_data_buffer.resize_destructive(guest_size_bytes);
gpu_memory->ReadBlockUnsafe(gpu_addr, swizzle_data_buffer.data(), guest_size_bytes);
Core::Memory::GpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::UnsafeRead> swizzle_data(
*gpu_memory, gpu_addr, image.guest_size_bytes, &swizzle_data_buffer);
if (True(image.flags & ImageFlagBits::Converted)) {
unswizzle_data_buffer.resize_destructive(image.unswizzled_size_bytes);
auto copies = UnswizzleImage(*gpu_memory, gpu_addr, image.info, swizzle_data_buffer,
unswizzle_data_buffer);
auto copies =
UnswizzleImage(*gpu_memory, gpu_addr, image.info, swizzle_data, unswizzle_data_buffer);
ConvertImage(unswizzle_data_buffer, image.info, mapped_span, copies);
image.UploadMemory(staging, copies);
} else {
const auto copies =
UnswizzleImage(*gpu_memory, gpu_addr, image.info, swizzle_data_buffer, mapped_span);
UnswizzleImage(*gpu_memory, gpu_addr, image.info, swizzle_data, mapped_span);
image.UploadMemory(staging, copies);
}
}
@ -1231,11 +1232,12 @@ void TextureCache<P>::QueueAsyncDecode(Image& image, ImageId image_id) {
decode->image_id = image_id;
async_decodes.push_back(std::move(decode));
Common::ScratchBuffer<u8> local_unswizzle_data_buffer(image.unswizzled_size_bytes);
const size_t guest_size_bytes = image.guest_size_bytes;
swizzle_data_buffer.resize_destructive(guest_size_bytes);
gpu_memory->ReadBlockUnsafe(image.gpu_addr, swizzle_data_buffer.data(), guest_size_bytes);
auto copies = UnswizzleImage(*gpu_memory, image.gpu_addr, image.info, swizzle_data_buffer,
static Common::ScratchBuffer<u8> local_unswizzle_data_buffer;
local_unswizzle_data_buffer.resize_destructive(image.unswizzled_size_bytes);
Core::Memory::GpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::UnsafeRead> swizzle_data(
*gpu_memory, image.gpu_addr, image.guest_size_bytes, &swizzle_data_buffer);
auto copies = UnswizzleImage(*gpu_memory, image.gpu_addr, image.info, swizzle_data,
local_unswizzle_data_buffer);
const size_t out_size = MapSizeBytes(image);

26
src/video_core/texture_cache/util.cpp
View file

@ -20,6 +20,7 @@
#include "common/div_ceil.h"
#include "common/scratch_buffer.h"
#include "common/settings.h"
#include "core/memory.h"
#include "video_core/compatible_formats.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/memory_manager.h"
@ -544,17 +545,15 @@ void SwizzleBlockLinearImage(Tegra::MemoryManager& gpu_memory, GPUVAddr gpu_addr
tile_size.height, info.tile_width_spacing);
const size_t subresource_size = sizes[level];
tmp_buffer.resize_destructive(subresource_size);
const std::span<u8> dst(tmp_buffer);
for (s32 layer = 0; layer < info.resources.layers; ++layer) {
const std::span<const u8> src = input.subspan(host_offset);
gpu_memory.ReadBlockUnsafe(gpu_addr + guest_offset, dst.data(), dst.size_bytes());
{
Core::Memory::GpuGuestMemoryScoped<u8, Core::Memory::GuestMemoryFlags::UnsafeReadWrite>
dst(gpu_memory, gpu_addr + guest_offset, subresource_size, &tmp_buffer);
SwizzleTexture(dst, src, bytes_per_block, num_tiles.width, num_tiles.height,
num_tiles.depth, block.height, block.depth);
gpu_memory.WriteBlockUnsafe(gpu_addr + guest_offset, dst.data(), dst.size_bytes());
SwizzleTexture(dst, src, bytes_per_block, num_tiles.width, num_tiles.height,
num_tiles.depth, block.height, block.depth);
}
host_offset += host_bytes_per_layer;
guest_offset += layer_stride;
@ -837,6 +836,7 @@ boost::container::small_vector<BufferImageCopy, 16> UnswizzleImage(Tegra::Memory
const Extent3D size = info.size;
if (info.type == ImageType::Linear) {
ASSERT(output.size_bytes() >= guest_size_bytes);
gpu_memory.ReadBlockUnsafe(gpu_addr, output.data(), guest_size_bytes);
ASSERT((info.pitch >> bpp_log2) << bpp_log2 == info.pitch);
@ -904,16 +904,6 @@ boost::container::small_vector<BufferImageCopy, 16> UnswizzleImage(Tegra::Memory
return copies;
}
BufferCopy UploadBufferCopy(Tegra::MemoryManager& gpu_memory, GPUVAddr gpu_addr,
const ImageBase& image, std::span<u8> output) {
gpu_memory.ReadBlockUnsafe(gpu_addr, output.data(), image.guest_size_bytes);
return BufferCopy{
.src_offset = 0,
.dst_offset = 0,
.size = image.guest_size_bytes,
};
}
void ConvertImage(std::span<const u8> input, const ImageInfo& info, std::span<u8> output,
std::span<BufferImageCopy> copies) {
u32 output_offset = 0;

3
src/video_core/texture_cache/util.h
View file

@ -66,9 +66,6 @@ struct OverlapResult {
Tegra::MemoryManager& gpu_memory, GPUVAddr gpu_addr, const ImageInfo& info,
std::span<const u8> input, std::span<u8> output);
[[nodiscard]] BufferCopy UploadBufferCopy(Tegra::MemoryManager& gpu_memory, GPUVAddr gpu_addr,
const ImageBase& image, std::span<u8> output);
void ConvertImage(std::span<const u8> input, const ImageInfo& info, std::span<u8> output,
std::span<BufferImageCopy> copies);