8592f8a2b4
- Fixes a hang on shutdown when NVFlinger thread is waiting on a syncpoint that will never occur. - Commonly observed when stopping emulation in Super Mario Odyssey.
445 lines
13 KiB
C++
445 lines
13 KiB
C++
// Copyright 2018 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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#pragma once
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#include <array>
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#include <atomic>
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#include <condition_variable>
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#include <list>
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#include <memory>
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#include <mutex>
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#include "common/common_types.h"
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#include "core/hle/service/nvdrv/nvdata.h"
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#include "core/hle/service/nvflinger/buffer_queue.h"
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#include "video_core/cdma_pusher.h"
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#include "video_core/dma_pusher.h"
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#include "video_core/framebuffer_config.h"
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#include "video_core/gpu_thread.h"
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using CacheAddr = std::uintptr_t;
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[[nodiscard]] inline CacheAddr ToCacheAddr(const void* host_ptr) {
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return reinterpret_cast<CacheAddr>(host_ptr);
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}
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[[nodiscard]] inline u8* FromCacheAddr(CacheAddr cache_addr) {
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return reinterpret_cast<u8*>(cache_addr);
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}
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namespace Core {
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namespace Frontend {
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class EmuWindow;
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}
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class System;
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} // namespace Core
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namespace VideoCore {
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class RendererBase;
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class ShaderNotify;
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} // namespace VideoCore
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namespace Tegra {
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enum class RenderTargetFormat : u32 {
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NONE = 0x0,
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R32B32G32A32_FLOAT = 0xC0,
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R32G32B32A32_SINT = 0xC1,
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R32G32B32A32_UINT = 0xC2,
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R16G16B16A16_UNORM = 0xC6,
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R16G16B16A16_SNORM = 0xC7,
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R16G16B16A16_SINT = 0xC8,
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R16G16B16A16_UINT = 0xC9,
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R16G16B16A16_FLOAT = 0xCA,
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R32G32_FLOAT = 0xCB,
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R32G32_SINT = 0xCC,
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R32G32_UINT = 0xCD,
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R16G16B16X16_FLOAT = 0xCE,
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B8G8R8A8_UNORM = 0xCF,
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B8G8R8A8_SRGB = 0xD0,
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A2B10G10R10_UNORM = 0xD1,
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A2B10G10R10_UINT = 0xD2,
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A8B8G8R8_UNORM = 0xD5,
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A8B8G8R8_SRGB = 0xD6,
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A8B8G8R8_SNORM = 0xD7,
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A8B8G8R8_SINT = 0xD8,
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A8B8G8R8_UINT = 0xD9,
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R16G16_UNORM = 0xDA,
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R16G16_SNORM = 0xDB,
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R16G16_SINT = 0xDC,
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R16G16_UINT = 0xDD,
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R16G16_FLOAT = 0xDE,
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B10G11R11_FLOAT = 0xE0,
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R32_SINT = 0xE3,
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R32_UINT = 0xE4,
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R32_FLOAT = 0xE5,
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R5G6B5_UNORM = 0xE8,
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A1R5G5B5_UNORM = 0xE9,
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R8G8_UNORM = 0xEA,
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R8G8_SNORM = 0xEB,
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R8G8_SINT = 0xEC,
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R8G8_UINT = 0xED,
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R16_UNORM = 0xEE,
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R16_SNORM = 0xEF,
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R16_SINT = 0xF0,
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R16_UINT = 0xF1,
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R16_FLOAT = 0xF2,
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R8_UNORM = 0xF3,
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R8_SNORM = 0xF4,
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R8_SINT = 0xF5,
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R8_UINT = 0xF6,
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};
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enum class DepthFormat : u32 {
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D32_FLOAT = 0xA,
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D16_UNORM = 0x13,
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S8_UINT_Z24_UNORM = 0x14,
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D24X8_UNORM = 0x15,
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D24S8_UNORM = 0x16,
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D24C8_UNORM = 0x18,
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D32_FLOAT_S8X24_UINT = 0x19,
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};
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struct CommandListHeader;
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class DebugContext;
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namespace Engines {
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class Fermi2D;
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class Maxwell3D;
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class MaxwellDMA;
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class KeplerCompute;
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class KeplerMemory;
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} // namespace Engines
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enum class EngineID {
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FERMI_TWOD_A = 0x902D, // 2D Engine
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MAXWELL_B = 0xB197, // 3D Engine
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KEPLER_COMPUTE_B = 0xB1C0,
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KEPLER_INLINE_TO_MEMORY_B = 0xA140,
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MAXWELL_DMA_COPY_A = 0xB0B5,
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};
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class MemoryManager;
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class GPU final {
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public:
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struct MethodCall {
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u32 method{};
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u32 argument{};
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u32 subchannel{};
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u32 method_count{};
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explicit MethodCall(u32 method_, u32 argument_, u32 subchannel_ = 0, u32 method_count_ = 0)
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: method(method_), argument(argument_), subchannel(subchannel_),
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method_count(method_count_) {}
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[[nodiscard]] bool IsLastCall() const {
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return method_count <= 1;
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}
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};
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explicit GPU(Core::System& system_, bool is_async_, bool use_nvdec_);
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~GPU();
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/// Binds a renderer to the GPU.
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void BindRenderer(std::unique_ptr<VideoCore::RendererBase> renderer);
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/// Calls a GPU method.
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void CallMethod(const MethodCall& method_call);
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/// Calls a GPU multivalue method.
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void CallMultiMethod(u32 method, u32 subchannel, const u32* base_start, u32 amount,
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u32 methods_pending);
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/// Flush all current written commands into the host GPU for execution.
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void FlushCommands();
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/// Synchronizes CPU writes with Host GPU memory.
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void SyncGuestHost();
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/// Signal the ending of command list.
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void OnCommandListEnd();
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/// Request a host GPU memory flush from the CPU.
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[[nodiscard]] u64 RequestFlush(VAddr addr, std::size_t size);
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/// Obtains current flush request fence id.
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[[nodiscard]] u64 CurrentFlushRequestFence() const {
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return current_flush_fence.load(std::memory_order_relaxed);
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}
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/// Tick pending requests within the GPU.
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void TickWork();
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/// Returns a reference to the Maxwell3D GPU engine.
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[[nodiscard]] Engines::Maxwell3D& Maxwell3D();
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/// Returns a const reference to the Maxwell3D GPU engine.
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[[nodiscard]] const Engines::Maxwell3D& Maxwell3D() const;
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/// Returns a reference to the KeplerCompute GPU engine.
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[[nodiscard]] Engines::KeplerCompute& KeplerCompute();
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/// Returns a reference to the KeplerCompute GPU engine.
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[[nodiscard]] const Engines::KeplerCompute& KeplerCompute() const;
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/// Returns a reference to the GPU memory manager.
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[[nodiscard]] Tegra::MemoryManager& MemoryManager();
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/// Returns a const reference to the GPU memory manager.
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[[nodiscard]] const Tegra::MemoryManager& MemoryManager() const;
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/// Returns a reference to the GPU DMA pusher.
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[[nodiscard]] Tegra::DmaPusher& DmaPusher();
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/// Returns a const reference to the GPU DMA pusher.
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[[nodiscard]] const Tegra::DmaPusher& DmaPusher() const;
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/// Returns a reference to the GPU CDMA pusher.
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[[nodiscard]] Tegra::CDmaPusher& CDmaPusher();
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/// Returns a const reference to the GPU CDMA pusher.
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[[nodiscard]] const Tegra::CDmaPusher& CDmaPusher() const;
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/// Returns a reference to the underlying renderer.
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[[nodiscard]] VideoCore::RendererBase& Renderer() {
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return *renderer;
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}
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/// Returns a const reference to the underlying renderer.
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[[nodiscard]] const VideoCore::RendererBase& Renderer() const {
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return *renderer;
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}
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/// Returns a reference to the shader notifier.
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[[nodiscard]] VideoCore::ShaderNotify& ShaderNotify() {
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return *shader_notify;
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}
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/// Returns a const reference to the shader notifier.
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[[nodiscard]] const VideoCore::ShaderNotify& ShaderNotify() const {
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return *shader_notify;
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}
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// Stops the GPU execution and waits for the GPU to finish working
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void ShutDown();
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/// Allows the CPU/NvFlinger to wait on the GPU before presenting a frame.
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void WaitFence(u32 syncpoint_id, u32 value);
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void IncrementSyncPoint(u32 syncpoint_id);
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[[nodiscard]] u32 GetSyncpointValue(u32 syncpoint_id) const;
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void RegisterSyncptInterrupt(u32 syncpoint_id, u32 value);
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[[nodiscard]] bool CancelSyncptInterrupt(u32 syncpoint_id, u32 value);
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[[nodiscard]] u64 GetTicks() const;
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[[nodiscard]] std::unique_lock<std::mutex> LockSync() {
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return std::unique_lock{sync_mutex};
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}
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[[nodiscard]] bool IsAsync() const {
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return is_async;
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}
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[[nodiscard]] bool UseNvdec() const {
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return use_nvdec;
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}
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void RendererFrameEndNotify();
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enum class FenceOperation : u32 {
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Acquire = 0,
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Increment = 1,
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};
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union FenceAction {
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u32 raw;
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BitField<0, 1, FenceOperation> op;
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BitField<8, 24, u32> syncpoint_id;
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[[nodiscard]] static CommandHeader Build(FenceOperation op, u32 syncpoint_id) {
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FenceAction result{};
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result.op.Assign(op);
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result.syncpoint_id.Assign(syncpoint_id);
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return {result.raw};
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}
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};
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struct Regs {
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static constexpr size_t NUM_REGS = 0x40;
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union {
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struct {
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INSERT_PADDING_WORDS_NOINIT(0x4);
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struct {
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u32 address_high;
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u32 address_low;
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[[nodiscard]] GPUVAddr SemaphoreAddress() const {
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return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) |
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address_low);
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}
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} semaphore_address;
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u32 semaphore_sequence;
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u32 semaphore_trigger;
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INSERT_PADDING_WORDS_NOINIT(0xC);
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// The pusher and the puller share the reference counter, the pusher only has read
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// access
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u32 reference_count;
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INSERT_PADDING_WORDS_NOINIT(0x5);
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u32 semaphore_acquire;
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u32 semaphore_release;
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u32 fence_value;
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FenceAction fence_action;
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INSERT_PADDING_WORDS_NOINIT(0xE2);
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// Puller state
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u32 acquire_mode;
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u32 acquire_source;
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u32 acquire_active;
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u32 acquire_timeout;
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u32 acquire_value;
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};
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std::array<u32, NUM_REGS> reg_array;
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};
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} regs{};
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/// Performs any additional setup necessary in order to begin GPU emulation.
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/// This can be used to launch any necessary threads and register any necessary
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/// core timing events.
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void Start();
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/// Obtain the CPU Context
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void ObtainContext();
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/// Release the CPU Context
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void ReleaseContext();
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/// Push GPU command entries to be processed
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void PushGPUEntries(Tegra::CommandList&& entries);
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/// Push GPU command buffer entries to be processed
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void PushCommandBuffer(Tegra::ChCommandHeaderList& entries);
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/// Frees the CDMAPusher instance to free up resources
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void ClearCdmaInstance();
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/// Swap buffers (render frame)
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void SwapBuffers(const Tegra::FramebufferConfig* framebuffer);
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/// Notify rasterizer that any caches of the specified region should be flushed to Switch memory
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void FlushRegion(VAddr addr, u64 size);
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/// Notify rasterizer that any caches of the specified region should be invalidated
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void InvalidateRegion(VAddr addr, u64 size);
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/// Notify rasterizer that any caches of the specified region should be flushed and invalidated
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void FlushAndInvalidateRegion(VAddr addr, u64 size);
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protected:
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void TriggerCpuInterrupt(u32 syncpoint_id, u32 value) const;
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private:
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void ProcessBindMethod(const MethodCall& method_call);
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void ProcessFenceActionMethod();
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void ProcessWaitForInterruptMethod();
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void ProcessSemaphoreTriggerMethod();
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void ProcessSemaphoreRelease();
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void ProcessSemaphoreAcquire();
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/// Calls a GPU puller method.
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void CallPullerMethod(const MethodCall& method_call);
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/// Calls a GPU engine method.
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void CallEngineMethod(const MethodCall& method_call);
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/// Calls a GPU engine multivalue method.
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void CallEngineMultiMethod(u32 method, u32 subchannel, const u32* base_start, u32 amount,
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u32 methods_pending);
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/// Determines where the method should be executed.
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[[nodiscard]] bool ExecuteMethodOnEngine(u32 method);
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protected:
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Core::System& system;
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std::unique_ptr<Tegra::MemoryManager> memory_manager;
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std::unique_ptr<Tegra::DmaPusher> dma_pusher;
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std::unique_ptr<Tegra::CDmaPusher> cdma_pusher;
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std::unique_ptr<VideoCore::RendererBase> renderer;
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VideoCore::RasterizerInterface* rasterizer = nullptr;
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const bool use_nvdec;
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private:
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/// Mapping of command subchannels to their bound engine ids
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std::array<EngineID, 8> bound_engines = {};
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/// 3D engine
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std::unique_ptr<Engines::Maxwell3D> maxwell_3d;
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/// 2D engine
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std::unique_ptr<Engines::Fermi2D> fermi_2d;
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/// Compute engine
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std::unique_ptr<Engines::KeplerCompute> kepler_compute;
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/// DMA engine
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std::unique_ptr<Engines::MaxwellDMA> maxwell_dma;
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/// Inline memory engine
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std::unique_ptr<Engines::KeplerMemory> kepler_memory;
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/// Shader build notifier
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std::unique_ptr<VideoCore::ShaderNotify> shader_notify;
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/// When true, we are about to shut down emulation session, so terminate outstanding tasks
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std::atomic_bool shutting_down{};
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std::array<std::atomic<u32>, Service::Nvidia::MaxSyncPoints> syncpoints{};
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std::array<std::list<u32>, Service::Nvidia::MaxSyncPoints> syncpt_interrupts;
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std::mutex sync_mutex;
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std::mutex device_mutex;
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std::condition_variable sync_cv;
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struct FlushRequest {
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explicit FlushRequest(u64 fence_, VAddr addr_, std::size_t size_)
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: fence{fence_}, addr{addr_}, size{size_} {}
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u64 fence;
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VAddr addr;
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std::size_t size;
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};
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std::list<FlushRequest> flush_requests;
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std::atomic<u64> current_flush_fence{};
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u64 last_flush_fence{};
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std::mutex flush_request_mutex;
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const bool is_async;
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VideoCommon::GPUThread::ThreadManager gpu_thread;
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std::unique_ptr<Core::Frontend::GraphicsContext> cpu_context;
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};
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#define ASSERT_REG_POSITION(field_name, position) \
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static_assert(offsetof(GPU::Regs, field_name) == position * 4, \
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"Field " #field_name " has invalid position")
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ASSERT_REG_POSITION(semaphore_address, 0x4);
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ASSERT_REG_POSITION(semaphore_sequence, 0x6);
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ASSERT_REG_POSITION(semaphore_trigger, 0x7);
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ASSERT_REG_POSITION(reference_count, 0x14);
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ASSERT_REG_POSITION(semaphore_acquire, 0x1A);
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ASSERT_REG_POSITION(semaphore_release, 0x1B);
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ASSERT_REG_POSITION(fence_value, 0x1C);
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ASSERT_REG_POSITION(fence_action, 0x1D);
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ASSERT_REG_POSITION(acquire_mode, 0x100);
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ASSERT_REG_POSITION(acquire_source, 0x101);
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ASSERT_REG_POSITION(acquire_active, 0x102);
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ASSERT_REG_POSITION(acquire_timeout, 0x103);
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ASSERT_REG_POSITION(acquire_value, 0x104);
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#undef ASSERT_REG_POSITION
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} // namespace Tegra
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