yuzu/src/video_core/cdma_pusher.cpp

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// SPDX-FileCopyrightText: Ryujinx Team and Contributors
// SPDX-License-Identifier: MIT
#include <bit>
#include "video_core/cdma_pusher.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/gpu.h"
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#include "video_core/host1x/control.h"
#include "video_core/host1x/nvdec.h"
#include "video_core/host1x/nvdec_common.h"
#include "video_core/host1x/sync_manager.h"
#include "video_core/host1x/vic.h"
#include "video_core/memory_manager.h"
namespace Tegra {
CDmaPusher::CDmaPusher(GPU& gpu_)
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: gpu{gpu_}, nvdec_processor(std::make_shared<Host1x::Nvdec>(gpu)),
vic_processor(std::make_unique<Host1x::Vic>(gpu, nvdec_processor)),
host1x_processor(std::make_unique<Host1x::Control>(gpu)),
sync_manager(std::make_unique<Host1x::SyncptIncrManager>(gpu)) {}
CDmaPusher::~CDmaPusher() = default;
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void CDmaPusher::ProcessEntries(ChCommandHeaderList&& entries) {
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for (const auto& value : entries) {
if (mask != 0) {
const auto lbs = static_cast<u32>(std::countr_zero(mask));
mask &= ~(1U << lbs);
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ExecuteCommand(offset + lbs, value.raw);
continue;
} else if (count != 0) {
--count;
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ExecuteCommand(offset, value.raw);
if (incrementing) {
++offset;
}
continue;
}
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const auto mode = value.submission_mode.Value();
switch (mode) {
case ChSubmissionMode::SetClass: {
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mask = value.value & 0x3f;
offset = value.method_offset;
current_class = static_cast<ChClassId>((value.value >> 6) & 0x3ff);
break;
}
case ChSubmissionMode::Incrementing:
case ChSubmissionMode::NonIncrementing:
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count = value.value;
offset = value.method_offset;
incrementing = mode == ChSubmissionMode::Incrementing;
break;
case ChSubmissionMode::Mask:
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mask = value.value;
offset = value.method_offset;
break;
case ChSubmissionMode::Immediate: {
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const u32 data = value.value & 0xfff;
offset = value.method_offset;
ExecuteCommand(offset, data);
break;
}
default:
UNIMPLEMENTED_MSG("ChSubmission mode {} is not implemented!", static_cast<u32>(mode));
break;
}
}
}
void CDmaPusher::ExecuteCommand(u32 state_offset, u32 data) {
switch (current_class) {
case ChClassId::NvDec:
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ThiStateWrite(nvdec_thi_state, offset, data);
switch (static_cast<ThiMethod>(offset)) {
case ThiMethod::IncSyncpt: {
LOG_DEBUG(Service_NVDRV, "NVDEC Class IncSyncpt Method");
const auto syncpoint_id = static_cast<u32>(data & 0xFF);
const auto cond = static_cast<u32>((data >> 8) & 0xFF);
if (cond == 0) {
sync_manager->Increment(syncpoint_id);
} else {
sync_manager->SignalDone(
sync_manager->IncrementWhenDone(static_cast<u32>(current_class), syncpoint_id));
}
break;
}
case ThiMethod::SetMethod1:
LOG_DEBUG(Service_NVDRV, "NVDEC method 0x{:X}",
static_cast<u32>(nvdec_thi_state.method_0));
nvdec_processor->ProcessMethod(nvdec_thi_state.method_0, data);
break;
default:
break;
}
break;
case ChClassId::GraphicsVic:
ThiStateWrite(vic_thi_state, static_cast<u32>(state_offset), {data});
switch (static_cast<ThiMethod>(state_offset)) {
case ThiMethod::IncSyncpt: {
LOG_DEBUG(Service_NVDRV, "VIC Class IncSyncpt Method");
const auto syncpoint_id = static_cast<u32>(data & 0xFF);
const auto cond = static_cast<u32>((data >> 8) & 0xFF);
if (cond == 0) {
sync_manager->Increment(syncpoint_id);
} else {
sync_manager->SignalDone(
sync_manager->IncrementWhenDone(static_cast<u32>(current_class), syncpoint_id));
}
break;
}
case ThiMethod::SetMethod1:
LOG_DEBUG(Service_NVDRV, "VIC method 0x{:X}, Args=({})",
static_cast<u32>(vic_thi_state.method_0), data);
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vic_processor->ProcessMethod(static_cast<Host1x::Vic::Method>(vic_thi_state.method_0),
data);
break;
default:
break;
}
break;
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case ChClassId::Control:
// This device is mainly for syncpoint synchronization
LOG_DEBUG(Service_NVDRV, "Host1X Class Method");
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host1x_processor->ProcessMethod(static_cast<Host1x::Control::Method>(offset), data);
break;
default:
UNIMPLEMENTED_MSG("Current class not implemented {:X}", static_cast<u32>(current_class));
break;
}
}
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void CDmaPusher::ThiStateWrite(ThiRegisters& state, u32 state_offset, u32 argument) {
u8* const offset_ptr = reinterpret_cast<u8*>(&state) + sizeof(u32) * state_offset;
std::memcpy(offset_ptr, &argument, sizeof(u32));
}
} // namespace Tegra