353 lines
9.8 KiB
C++
353 lines
9.8 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/dma_pusher.h"
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using CacheAddr = std::uintptr_t;
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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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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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} // 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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RGBA32_FLOAT = 0xC0,
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RGBA32_UINT = 0xC2,
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RGBA16_UNORM = 0xC6,
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RGBA16_SNORM = 0xC7,
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RGBA16_UINT = 0xC9,
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RGBA16_FLOAT = 0xCA,
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RG32_FLOAT = 0xCB,
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RG32_UINT = 0xCD,
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RGBX16_FLOAT = 0xCE,
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BGRA8_UNORM = 0xCF,
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BGRA8_SRGB = 0xD0,
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RGB10_A2_UNORM = 0xD1,
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RGBA8_UNORM = 0xD5,
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RGBA8_SRGB = 0xD6,
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RGBA8_SNORM = 0xD7,
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RGBA8_UINT = 0xD9,
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RG16_UNORM = 0xDA,
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RG16_SNORM = 0xDB,
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RG16_SINT = 0xDC,
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RG16_UINT = 0xDD,
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RG16_FLOAT = 0xDE,
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R11G11B10_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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B5G6R5_UNORM = 0xE8,
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BGR5A1_UNORM = 0xE9,
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RG8_UNORM = 0xEA,
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RG8_SNORM = 0xEB,
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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_UINT = 0xF6,
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};
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enum class DepthFormat : u32 {
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Z32_FLOAT = 0xA,
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Z16_UNORM = 0x13,
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S8_Z24_UNORM = 0x14,
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Z24_X8_UNORM = 0x15,
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Z24_S8_UNORM = 0x16,
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Z24_C8_UNORM = 0x18,
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Z32_S8_X24_FLOAT = 0x19,
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};
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struct CommandListHeader;
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class DebugContext;
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/**
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* Struct describing framebuffer configuration
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*/
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struct FramebufferConfig {
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enum class PixelFormat : u32 {
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ABGR8 = 1,
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RGB565 = 4,
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BGRA8 = 5,
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};
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VAddr address;
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u32 offset;
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u32 width;
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u32 height;
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u32 stride;
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PixelFormat pixel_format;
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using TransformFlags = Service::NVFlinger::BufferQueue::BufferTransformFlags;
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TransformFlags transform_flags;
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Common::Rectangle<int> crop_rect;
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};
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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 {
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public:
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explicit GPU(Core::System& system, std::unique_ptr<VideoCore::RendererBase>&& renderer,
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bool is_async);
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virtual ~GPU();
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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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bool IsLastCall() const {
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return method_count <= 1;
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}
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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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};
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/// Calls a GPU method.
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void CallMethod(const MethodCall& method_call);
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void FlushCommands();
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/// Returns a reference to the Maxwell3D GPU engine.
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Engines::Maxwell3D& Maxwell3D();
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/// Returns a const reference to the Maxwell3D GPU engine.
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const Engines::Maxwell3D& Maxwell3D() const;
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/// Returns a reference to the KeplerCompute GPU engine.
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Engines::KeplerCompute& KeplerCompute();
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/// Returns a reference to the KeplerCompute GPU engine.
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const Engines::KeplerCompute& KeplerCompute() const;
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/// Returns a reference to the GPU memory manager.
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Tegra::MemoryManager& MemoryManager();
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/// Returns a const reference to the GPU memory manager.
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const Tegra::MemoryManager& MemoryManager() const;
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/// Returns a reference to the GPU DMA pusher.
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Tegra::DmaPusher& DmaPusher();
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VideoCore::RendererBase& Renderer() {
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return *renderer;
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}
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const VideoCore::RendererBase& Renderer() const {
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return *renderer;
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}
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// Waits for the GPU to finish working
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virtual void WaitIdle() const = 0;
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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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u32 GetSyncpointValue(u32 syncpoint_id) const;
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void RegisterSyncptInterrupt(u32 syncpoint_id, u32 value);
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bool CancelSyncptInterrupt(u32 syncpoint_id, u32 value);
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u64 GetTicks() const;
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std::unique_lock<std::mutex> LockSync() {
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return std::unique_lock{sync_mutex};
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}
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bool IsAsync() const {
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return is_async;
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}
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/// Returns a const reference to the GPU DMA pusher.
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const Tegra::DmaPusher& DmaPusher() const;
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struct Regs {
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static constexpr size_t NUM_REGS = 0x100;
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union {
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struct {
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INSERT_UNION_PADDING_WORDS(0x4);
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struct {
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u32 address_high;
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u32 address_low;
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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_UNION_PADDING_WORDS(0xC);
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// The puser 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_UNION_PADDING_WORDS(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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union {
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BitField<4, 4, u32> operation;
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BitField<8, 8, u32> id;
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} fence_action;
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INSERT_UNION_PADDING_WORDS(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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virtual void Start() = 0;
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/// Push GPU command entries to be processed
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virtual void PushGPUEntries(Tegra::CommandList&& entries) = 0;
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/// Swap buffers (render frame)
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virtual void SwapBuffers(const Tegra::FramebufferConfig* framebuffer) = 0;
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/// Notify rasterizer that any caches of the specified region should be flushed to Switch memory
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virtual void FlushRegion(VAddr addr, u64 size) = 0;
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/// Notify rasterizer that any caches of the specified region should be invalidated
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virtual void InvalidateRegion(VAddr addr, u64 size) = 0;
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/// Notify rasterizer that any caches of the specified region should be flushed and invalidated
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virtual void FlushAndInvalidateRegion(VAddr addr, u64 size) = 0;
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protected:
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virtual void TriggerCpuInterrupt(u32 syncpoint_id, u32 value) const = 0;
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private:
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void ProcessBindMethod(const MethodCall& method_call);
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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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/// Determines where the method should be executed.
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bool ExecuteMethodOnEngine(const MethodCall& method_call);
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protected:
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std::unique_ptr<Tegra::DmaPusher> dma_pusher;
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Core::System& system;
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std::unique_ptr<VideoCore::RendererBase> renderer;
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private:
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std::unique_ptr<Tegra::MemoryManager> memory_manager;
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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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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::condition_variable sync_cv;
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const bool is_async;
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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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