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// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <cstring>
#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;
}
const GPUVAddr address{regs.dest.Address()};
if (is_linear) {
rasterizer->AccelerateInlineToMemory(address, copy_size, inner_buffer);
} else {
UNIMPLEMENTED_IF(regs.dest.z != 0);
UNIMPLEMENTED_IF(regs.dest.depth != 1);
UNIMPLEMENTED_IF(regs.dest.BlockWidth() != 0);
UNIMPLEMENTED_IF(regs.dest.BlockDepth() != 0);
const std::size_t dst_size = Tegra::Texture::CalculateSize(
true, 1, regs.dest.width, regs.dest.height, 1, regs.dest.BlockHeight(), 0);
tmp_buffer.resize(dst_size);
memory_manager.ReadBlock(address, tmp_buffer.data(), dst_size);
Tegra::Texture::SwizzleKepler(regs.dest.width, regs.dest.height, regs.dest.x, regs.dest.y,
regs.dest.BlockHeight(), copy_size, inner_buffer.data(),
tmp_buffer.data());
memory_manager.WriteBlock(address, tmp_buffer.data(), dst_size);
}
}
} // namespace Tegra::Engines::Upload
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