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Use spans over guest memory where possible instead of copying data.

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This commit is contained in:
Kelebek1
2023-05-29 00:35:51 +01:00
parent 95ceae40e6
commit 6f7cb69c94
22 changed files with 462 additions and 233 deletions
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26
src/video_core/texture_cache/util.cpp
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@ -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;