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87 lines
2.7 KiB
87 lines
2.7 KiB
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <variant>
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#include "common/assert.h"
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#include "common/polyfill_thread.h"
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#include "common/settings.h"
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#include "video_core/host1x/codecs/h264.h"
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#include "video_core/host1x/codecs/vp8.h"
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#include "video_core/host1x/codecs/vp9.h"
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#include "video_core/host1x/host1x.h"
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#include "video_core/host1x/nvdec.h"
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namespace Tegra::Host1x {
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#define NVDEC_REG_INDEX(field_name) \
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(offsetof(NvdecCommon::NvdecRegisters, field_name) / sizeof(u64))
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Nvdec::Nvdec(Host1x& host1x_, s32 id_, u32 syncpt)
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: CDmaPusher{host1x_, id_}
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, id{id_}
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, syncpoint{syncpt}
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{
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LOG_INFO(HW_GPU, "Created nvdec {}", id);
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host1x.frame_queue.Open(id);
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}
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Nvdec::~Nvdec() {
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LOG_INFO(HW_GPU, "Destroying nvdec {}", id);
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host1x.frame_queue.Close(id);
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}
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void Nvdec::ProcessMethod(u32 method, u32 argument) {
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regs.reg_array[method] = argument;
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switch (method) {
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case NVDEC_REG_INDEX(set_codec_id):
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CreateDecoder(static_cast<NvdecCommon::VideoCodec>(argument));
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break;
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case NVDEC_REG_INDEX(execute): {
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Execute();
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} break;
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}
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}
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void Nvdec::CreateDecoder(NvdecCommon::VideoCodec codec) {
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if (std::holds_alternative<std::monostate>(decoder)) {
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switch (codec) {
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case NvdecCommon::VideoCodec::H264:
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decoder.emplace<Decoders::H264>(host1x, regs, id);
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break;
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case NvdecCommon::VideoCodec::VP8:
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decoder.emplace<Decoders::VP8>(host1x, regs, id);
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break;
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case NvdecCommon::VideoCodec::VP9:
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decoder.emplace<Decoders::VP9>(host1x, regs, id);
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break;
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default:
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break;
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}
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LOG_INFO(HW_GPU, "Created decoder {} for id {}", codec, id);
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}
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}
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void Nvdec::Execute() {
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if (Settings::values.nvdec_emulation.GetValue() == Settings::NvdecEmulation::Off) [[unlikely]] {
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// Signalling syncpts too fast can cause games to get stuck as they don't expect a <1ms
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// execution time. Sleep for half of a 60 fps frame just in case.
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std::this_thread::sleep_for(std::chrono::milliseconds(8));
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return;
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}
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if (auto* h264 = std::get_if<Decoders::H264>(&decoder)) {
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h264->Decode();
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} else if (auto* vp8 = std::get_if<Decoders::VP8>(&decoder)) {
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vp8->Decode();
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} else if (auto* vp9 = std::get_if<Decoders::VP9>(&decoder)) {
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vp9->Decode();
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} else {
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LOG_ERROR(HW_GPU, "Unrecognized codec executed?");
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}
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}
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} // namespace Tegra::Host1x
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