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Diffstat (limited to 'src/video_core/engines/puller.cpp')
-rw-r--r-- | src/video_core/engines/puller.cpp | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/src/video_core/engines/puller.cpp b/src/video_core/engines/puller.cpp new file mode 100644 index 000000000..cca890792 --- /dev/null +++ b/src/video_core/engines/puller.cpp @@ -0,0 +1,306 @@ +// SPDX-FileCopyrightText: 2022 yuzu Emulator Project +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "common/assert.h" +#include "common/logging/log.h" +#include "common/settings.h" +#include "core/core.h" +#include "video_core/control/channel_state.h" +#include "video_core/dma_pusher.h" +#include "video_core/engines/fermi_2d.h" +#include "video_core/engines/kepler_compute.h" +#include "video_core/engines/kepler_memory.h" +#include "video_core/engines/maxwell_3d.h" +#include "video_core/engines/maxwell_dma.h" +#include "video_core/engines/puller.h" +#include "video_core/gpu.h" +#include "video_core/memory_manager.h" +#include "video_core/rasterizer_interface.h" + +namespace Tegra::Engines { + +Puller::Puller(GPU& gpu_, MemoryManager& memory_manager_, DmaPusher& dma_pusher_, + Control::ChannelState& channel_state_) + : gpu{gpu_}, memory_manager{memory_manager_}, dma_pusher{dma_pusher_}, channel_state{ + channel_state_} {} + +Puller::~Puller() = default; + +void Puller::ProcessBindMethod(const MethodCall& method_call) { + // Bind the current subchannel to the desired engine id. + LOG_DEBUG(HW_GPU, "Binding subchannel {} to engine {}", method_call.subchannel, + method_call.argument); + const auto engine_id = static_cast<EngineID>(method_call.argument); + bound_engines[method_call.subchannel] = static_cast<EngineID>(engine_id); + switch (engine_id) { + case EngineID::FERMI_TWOD_A: + dma_pusher.BindSubchannel(channel_state.fermi_2d.get(), method_call.subchannel); + break; + case EngineID::MAXWELL_B: + dma_pusher.BindSubchannel(channel_state.maxwell_3d.get(), method_call.subchannel); + break; + case EngineID::KEPLER_COMPUTE_B: + dma_pusher.BindSubchannel(channel_state.kepler_compute.get(), method_call.subchannel); + break; + case EngineID::MAXWELL_DMA_COPY_A: + dma_pusher.BindSubchannel(channel_state.maxwell_dma.get(), method_call.subchannel); + break; + case EngineID::KEPLER_INLINE_TO_MEMORY_B: + dma_pusher.BindSubchannel(channel_state.kepler_memory.get(), method_call.subchannel); + break; + default: + UNIMPLEMENTED_MSG("Unimplemented engine {:04X}", engine_id); + } +} + +void Puller::ProcessFenceActionMethod() { + switch (regs.fence_action.op) { + case Puller::FenceOperation::Acquire: + // UNIMPLEMENTED_MSG("Channel Scheduling pending."); + // WaitFence(regs.fence_action.syncpoint_id, regs.fence_value); + rasterizer->ReleaseFences(); + break; + case Puller::FenceOperation::Increment: + rasterizer->SignalSyncPoint(regs.fence_action.syncpoint_id); + break; + default: + UNIMPLEMENTED_MSG("Unimplemented operation {}", regs.fence_action.op.Value()); + } +} + +void Puller::ProcessSemaphoreTriggerMethod() { + const auto semaphoreOperationMask = 0xF; + const auto op = + static_cast<GpuSemaphoreOperation>(regs.semaphore_trigger & semaphoreOperationMask); + if (op == GpuSemaphoreOperation::WriteLong) { + const GPUVAddr sequence_address{regs.semaphore_address.SemaphoreAddress()}; + const u32 payload = regs.semaphore_sequence; + std::function<void()> operation([this, sequence_address, payload] { + memory_manager.Write<u64>(sequence_address + sizeof(u64), gpu.GetTicks()); + memory_manager.Write<u64>(sequence_address, payload); + }); + rasterizer->SignalFence(std::move(operation)); + } else { + do { + const u32 word{memory_manager.Read<u32>(regs.semaphore_address.SemaphoreAddress())}; + regs.acquire_source = true; + regs.acquire_value = regs.semaphore_sequence; + if (op == GpuSemaphoreOperation::AcquireEqual) { + regs.acquire_active = true; + regs.acquire_mode = false; + if (word != regs.acquire_value) { + rasterizer->ReleaseFences(); + continue; + } + } else if (op == GpuSemaphoreOperation::AcquireGequal) { + regs.acquire_active = true; + regs.acquire_mode = true; + if (word < regs.acquire_value) { + rasterizer->ReleaseFences(); + continue; + } + } else if (op == GpuSemaphoreOperation::AcquireMask) { + if (word && regs.semaphore_sequence == 0) { + rasterizer->ReleaseFences(); + continue; + } + } else { + LOG_ERROR(HW_GPU, "Invalid semaphore operation"); + } + } while (false); + } +} + +void Puller::ProcessSemaphoreRelease() { + const GPUVAddr sequence_address{regs.semaphore_address.SemaphoreAddress()}; + const u32 payload = regs.semaphore_release; + std::function<void()> operation([this, sequence_address, payload] { + memory_manager.Write<u32>(sequence_address, payload); + }); + rasterizer->SyncOperation(std::move(operation)); +} + +void Puller::ProcessSemaphoreAcquire() { + u32 word = memory_manager.Read<u32>(regs.semaphore_address.SemaphoreAddress()); + const auto value = regs.semaphore_acquire; + while (word != value) { + regs.acquire_active = true; + regs.acquire_value = value; + std::this_thread::sleep_for(std::chrono::milliseconds(1)); + rasterizer->ReleaseFences(); + word = memory_manager.Read<u32>(regs.semaphore_address.SemaphoreAddress()); + // TODO(kemathe73) figure out how to do the acquire_timeout + regs.acquire_mode = false; + regs.acquire_source = false; + } +} + +/// Calls a GPU puller method. +void Puller::CallPullerMethod(const MethodCall& method_call) { + regs.reg_array[method_call.method] = method_call.argument; + const auto method = static_cast<BufferMethods>(method_call.method); + + switch (method) { + case BufferMethods::BindObject: { + ProcessBindMethod(method_call); + break; + } + case BufferMethods::Nop: + case BufferMethods::SemaphoreAddressHigh: + case BufferMethods::SemaphoreAddressLow: + case BufferMethods::SemaphoreSequencePayload: + case BufferMethods::SyncpointPayload: + break; + case BufferMethods::WrcacheFlush: + case BufferMethods::RefCnt: + rasterizer->SignalReference(); + break; + case BufferMethods::SyncpointOperation: + ProcessFenceActionMethod(); + break; + case BufferMethods::WaitForIdle: + rasterizer->WaitForIdle(); + break; + case BufferMethods::SemaphoreOperation: { + ProcessSemaphoreTriggerMethod(); + break; + } + case BufferMethods::NonStallInterrupt: { + LOG_ERROR(HW_GPU, "Special puller engine method NonStallInterrupt not implemented"); + break; + } + case BufferMethods::MemOpA: { + LOG_ERROR(HW_GPU, "Memory Operation A"); + break; + } + case BufferMethods::MemOpB: { + // Implement this better. + rasterizer->InvalidateGPUCache(); + break; + } + case BufferMethods::MemOpC: + case BufferMethods::MemOpD: { + LOG_ERROR(HW_GPU, "Memory Operation C,D"); + break; + } + case BufferMethods::SemaphoreAcquire: { + ProcessSemaphoreAcquire(); + break; + } + case BufferMethods::SemaphoreRelease: { + ProcessSemaphoreRelease(); + break; + } + case BufferMethods::Yield: { + // TODO(Kmather73): Research and implement this method. + LOG_ERROR(HW_GPU, "Special puller engine method Yield not implemented"); + break; + } + default: + LOG_ERROR(HW_GPU, "Special puller engine method {:X} not implemented", method); + break; + } +} + +/// Calls a GPU engine method. +void Puller::CallEngineMethod(const MethodCall& method_call) { + const EngineID engine = bound_engines[method_call.subchannel]; + + switch (engine) { + case EngineID::FERMI_TWOD_A: + channel_state.fermi_2d->CallMethod(method_call.method, method_call.argument, + method_call.IsLastCall()); + break; + case EngineID::MAXWELL_B: + channel_state.maxwell_3d->CallMethod(method_call.method, method_call.argument, + method_call.IsLastCall()); + break; + case EngineID::KEPLER_COMPUTE_B: + channel_state.kepler_compute->CallMethod(method_call.method, method_call.argument, + method_call.IsLastCall()); + break; + case EngineID::MAXWELL_DMA_COPY_A: + channel_state.maxwell_dma->CallMethod(method_call.method, method_call.argument, + method_call.IsLastCall()); + break; + case EngineID::KEPLER_INLINE_TO_MEMORY_B: + channel_state.kepler_memory->CallMethod(method_call.method, method_call.argument, + method_call.IsLastCall()); + break; + default: + UNIMPLEMENTED_MSG("Unimplemented engine"); + } +} + +/// Calls a GPU engine multivalue method. +void Puller::CallEngineMultiMethod(u32 method, u32 subchannel, const u32* base_start, u32 amount, + u32 methods_pending) { + const EngineID engine = bound_engines[subchannel]; + + switch (engine) { + case EngineID::FERMI_TWOD_A: + channel_state.fermi_2d->CallMultiMethod(method, base_start, amount, methods_pending); + break; + case EngineID::MAXWELL_B: + channel_state.maxwell_3d->CallMultiMethod(method, base_start, amount, methods_pending); + break; + case EngineID::KEPLER_COMPUTE_B: + channel_state.kepler_compute->CallMultiMethod(method, base_start, amount, methods_pending); + break; + case EngineID::MAXWELL_DMA_COPY_A: + channel_state.maxwell_dma->CallMultiMethod(method, base_start, amount, methods_pending); + break; + case EngineID::KEPLER_INLINE_TO_MEMORY_B: + channel_state.kepler_memory->CallMultiMethod(method, base_start, amount, methods_pending); + break; + default: + UNIMPLEMENTED_MSG("Unimplemented engine"); + } +} + +/// Calls a GPU method. +void Puller::CallMethod(const MethodCall& method_call) { + LOG_TRACE(HW_GPU, "Processing method {:08X} on subchannel {}", method_call.method, + method_call.subchannel); + + ASSERT(method_call.subchannel < bound_engines.size()); + + if (ExecuteMethodOnEngine(method_call.method)) { + CallEngineMethod(method_call); + } else { + CallPullerMethod(method_call); + } +} + +/// Calls a GPU multivalue method. +void Puller::CallMultiMethod(u32 method, u32 subchannel, const u32* base_start, u32 amount, + u32 methods_pending) { + LOG_TRACE(HW_GPU, "Processing method {:08X} on subchannel {}", method, subchannel); + + ASSERT(subchannel < bound_engines.size()); + + if (ExecuteMethodOnEngine(method)) { + CallEngineMultiMethod(method, subchannel, base_start, amount, methods_pending); + } else { + for (std::size_t i = 0; i < amount; i++) { + CallPullerMethod(MethodCall{ + method, + base_start[i], + subchannel, + methods_pending - static_cast<u32>(i), + }); + } + } +} + +void Puller::BindRasterizer(VideoCore::RasterizerInterface* rasterizer_) { + rasterizer = rasterizer_; +} + +/// Determines where the method should be executed. +[[nodiscard]] bool Puller::ExecuteMethodOnEngine(u32 method) { + const auto buffer_method = static_cast<BufferMethods>(method); + return buffer_method >= BufferMethods::NonPullerMethods; +} + +} // namespace Tegra::Engines |