84 lines
3.3 KiB
C++
Executable file
84 lines
3.3 KiB
C++
Executable file
// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
#include <cstring>
|
|
|
|
#include "common/algorithm.h"
|
|
#include "common/assert.h"
|
|
#include "video_core/engines/engine_upload.h"
|
|
#include "video_core/memory_manager.h"
|
|
#include "video_core/rasterizer_interface.h"
|
|
#include "video_core/textures/decoders.h"
|
|
|
|
namespace Tegra::Engines::Upload {
|
|
|
|
State::State(MemoryManager& memory_manager_, Registers& regs_)
|
|
: regs{regs_}, memory_manager{memory_manager_} {}
|
|
|
|
State::~State() = default;
|
|
|
|
void State::BindRasterizer(VideoCore::RasterizerInterface* rasterizer_) {
|
|
rasterizer = rasterizer_;
|
|
}
|
|
|
|
void State::ProcessExec(const bool is_linear_) {
|
|
write_offset = 0;
|
|
copy_size = regs.line_length_in * regs.line_count;
|
|
inner_buffer.resize(copy_size);
|
|
is_linear = is_linear_;
|
|
}
|
|
|
|
void State::ProcessData(const u32 data, const bool is_last_call) {
|
|
const u32 sub_copy_size = std::min(4U, copy_size - write_offset);
|
|
std::memcpy(&inner_buffer[write_offset], &data, sub_copy_size);
|
|
write_offset += sub_copy_size;
|
|
if (!is_last_call) {
|
|
return;
|
|
}
|
|
ProcessData(inner_buffer);
|
|
}
|
|
|
|
void State::ProcessData(const u32* data, size_t num_data) {
|
|
std::span<const u8> read_buffer(reinterpret_cast<const u8*>(data), num_data * sizeof(u32));
|
|
ProcessData(read_buffer);
|
|
}
|
|
|
|
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 (u32 line = 0; line < regs.line_count; ++line) {
|
|
const GPUVAddr dest_line = address + static_cast<size_t>(line) * regs.dest.pitch;
|
|
memory_manager.WriteBlockUnsafe(
|
|
dest_line, read_buffer.data() + static_cast<size_t>(line) * regs.line_length_in,
|
|
regs.line_length_in);
|
|
}
|
|
memory_manager.InvalidateRegion(address, regs.dest.pitch * regs.line_count);
|
|
}
|
|
} else {
|
|
u32 width = regs.dest.width;
|
|
u32 x_elements = regs.line_length_in;
|
|
u32 x_offset = regs.dest.x;
|
|
const u32 bpp_shift = Common::FoldRight(
|
|
4U, [](u32 x, u32 y) { return std::min(x, static_cast<u32>(std::countr_zero(y))); },
|
|
width, x_elements, x_offset, static_cast<u32>(address));
|
|
width >>= bpp_shift;
|
|
x_elements >>= bpp_shift;
|
|
x_offset >>= bpp_shift;
|
|
const u32 bytes_per_pixel = 1U << bpp_shift;
|
|
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(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(),
|
|
regs.dest.BlockDepth(), regs.line_length_in);
|
|
memory_manager.WriteBlock(address, tmp_buffer.data(), dst_size);
|
|
}
|
|
}
|
|
|
|
} // namespace Tegra::Engines::Upload
|