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53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <cstring>
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#include "common/assert.h"
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#include "video_core/engines/engine_upload.h"
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#include "video_core/memory_manager.h"
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#include "video_core/textures/decoders.h"
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namespace Tegra::Engines::Upload {
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State::State(MemoryManager& memory_manager, Registers& regs)
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: regs{regs}, memory_manager{memory_manager} {}
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State::~State() = default;
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void State::ProcessExec(const bool is_linear) {
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write_offset = 0;
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copy_size = regs.line_length_in * regs.line_count;
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inner_buffer.resize(copy_size);
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this->is_linear = is_linear;
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}
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void State::ProcessData(const u32 data, const bool is_last_call) {
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const u32 sub_copy_size = std::min(4U, copy_size - write_offset);
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std::memcpy(&inner_buffer[write_offset], &data, sub_copy_size);
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write_offset += sub_copy_size;
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if (!is_last_call) {
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return;
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}
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const GPUVAddr address{regs.dest.Address()};
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if (is_linear) {
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memory_manager.WriteBlock(address, inner_buffer.data(), copy_size);
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} else {
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UNIMPLEMENTED_IF(regs.dest.z != 0);
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UNIMPLEMENTED_IF(regs.dest.depth != 1);
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UNIMPLEMENTED_IF(regs.dest.BlockWidth() != 0);
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UNIMPLEMENTED_IF(regs.dest.BlockDepth() != 0);
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const std::size_t dst_size = Tegra::Texture::CalculateSize(
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true, 1, regs.dest.width, regs.dest.height, 1, regs.dest.BlockHeight(), 0);
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tmp_buffer.resize(dst_size);
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memory_manager.ReadBlock(address, tmp_buffer.data(), dst_size);
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Tegra::Texture::SwizzleKepler(regs.dest.width, regs.dest.height, regs.dest.x, regs.dest.y,
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regs.dest.BlockHeight(), copy_size, inner_buffer.data(),
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tmp_buffer.data());
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memory_manager.WriteBlock(address, tmp_buffer.data(), dst_size);
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}
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}
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} // namespace Tegra::Engines::Upload
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