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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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28
src/video_core/engines/engine_upload.cpp
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@ -5,6 +5,7 @@
#include "common/algorithm.h"
#include "common/assert.h"
#include "core/memory.h"
#include "video_core/engines/engine_upload.h"
#include "video_core/memory_manager.h"
#include "video_core/rasterizer_interface.h"
@ -46,15 +47,11 @@ void State::ProcessData(const u32* data, size_t num_data) {
void State::ProcessData(std::span<const u8> read_buffer) {
const GPUVAddr address{regs.dest.Address()};
if (is_linear) {
if (regs.line_count == 1) {
rasterizer->AccelerateInlineToMemory(address, copy_size, read_buffer);
} else {
for (size_t line = 0; line < regs.line_count; ++line) {
const GPUVAddr dest_line = address + line * regs.dest.pitch;
std::span<const u8> buffer(read_buffer.data() + line * regs.line_length_in,
regs.line_length_in);
rasterizer->AccelerateInlineToMemory(dest_line, regs.line_length_in, buffer);
}
for (size_t line = 0; line < regs.line_count; ++line) {
const GPUVAddr dest_line = address + line * regs.dest.pitch;
std::span<const u8> buffer(read_buffer.data() + line * regs.line_length_in,
regs.line_length_in);
rasterizer->AccelerateInlineToMemory(dest_line, regs.line_length_in, buffer);
}
} else {
u32 width = regs.dest.width;
@ -70,13 +67,14 @@ void State::ProcessData(std::span<const u8> read_buffer) {
const std::size_t dst_size = Tegra::Texture::CalculateSize(
true, bytes_per_pixel, width, regs.dest.height, regs.dest.depth,
regs.dest.BlockHeight(), regs.dest.BlockDepth());
tmp_buffer.resize_destructive(dst_size);
memory_manager.ReadBlock(address, tmp_buffer.data(), dst_size);
Tegra::Texture::SwizzleSubrect(tmp_buffer, read_buffer, bytes_per_pixel, width,
regs.dest.height, regs.dest.depth, x_offset, regs.dest.y,
x_elements, regs.line_count, regs.dest.BlockHeight(),
Core::Memory::GpuGuestMemoryScoped<u8, Core::Memory::GuestMemoryFlags::SafeReadCachedWrite>
tmp(memory_manager, address, dst_size, &tmp_buffer);
Tegra::Texture::SwizzleSubrect(tmp, read_buffer, bytes_per_pixel, width, regs.dest.height,
regs.dest.depth, x_offset, regs.dest.y, x_elements,
regs.line_count, regs.dest.BlockHeight(),
regs.dest.BlockDepth(), regs.line_length_in);
memory_manager.WriteBlockCached(address, tmp_buffer.data(), dst_size);
}
}