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// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/assert.h"
#include "video_core/engines/engine_upload.h"
#include "video_core/memory_manager.h"
#include "video_core/textures/decoders.h"
namespace Tegra::Engines::Upload {
State::State(MemoryManager& memory_manager, Data& regs)
: memory_manager(memory_manager), regs(regs) {}
void State::ProcessExec(const bool is_linear) {
write_offset = 0;
copy_size = regs.line_length_in * regs.line_count;
inner_buffer.resize(copy_size);
this->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) {
const GPUVAddr address{regs.dest.Address()};
if (linear) {
memory_manager.WriteBlock(address, inner_buffer.data(), copy_size);
} else {
UNIMPLEMENTED_IF(regs.dest.z != 0);
UNIMPLEMENTED_IF(regs.dest.depth != 1);
UNIMPLEMENTED_IF(regs.dest.BlockWidth() != 1);
UNIMPLEMENTED_IF(regs.dest.BlockDepth() != 1);
const std::size_t dst_size = Tegra::Texture::CalculateSize(
true, 1, regs.dest.width, regs.dest.height, 1, regs.dest.BlockHeight(), 1);
std::vector<u8> tmp_buffer(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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