add: base for pipeline caching

This commit is contained in:
Samuliak 2024-10-14 20:00:37 +02:00
parent 8b783e63dc
commit e9e510d2cd
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2 changed files with 430 additions and 1 deletions

View File

@ -6,6 +6,14 @@
#include "Cafe/HW/Latte/Core/FetchShader.h"
#include "Cafe/HW/Latte/ISA/RegDefines.h"
#include "Cafe/HW/Latte/Core/LatteConst.h"
#include "Cafe/HW/Latte/Core/LatteCachedFBO.h"
#include "Cafe/HW/Latte/Common/RegisterSerializer.h"
#include "Cafe/HW/Latte/Core/LatteShaderCache.h"
#include "Cemu/FileCache/FileCache.h"
#include "HW/Latte/Core/LatteShader.h"
#include "util/helpers/helpers.h"
#include "config/ActiveSettings.h"
#include <openssl/sha.h>
uint64 MetalPipelineCache::CalculatePipelineHash(const LatteFetchShader* fetchShader, const LatteDecompilerShader* vertexShader, const LatteDecompilerShader* geometryShader, const LatteDecompilerShader* pixelShader, class CachedFBOMtl* lastUsedFBO, class CachedFBOMtl* activeFBO, const LatteContextRegister& lcr)
{
@ -129,3 +137,373 @@ MTL::RenderPipelineState* MetalPipelineCache::GetRenderPipelineState(const Latte
return pipeline;
}
struct
{
uint32 pipelineLoadIndex;
uint32 pipelineMaxFileIndex;
std::atomic_uint32_t pipelinesQueued;
std::atomic_uint32_t pipelinesLoaded;
} g_mtlCacheState;
uint32 MetalPipelineCache::BeginLoading(uint64 cacheTitleId)
{
std::error_code ec;
fs::create_directories(ActiveSettings::GetCachePath("shaderCache/transferable"), ec);
const auto pathCacheFile = ActiveSettings::GetCachePath("shaderCache/transferable/{:016x}_mtlpipeline.bin", cacheTitleId);
// init cache loader state
g_mtlCacheState.pipelineLoadIndex = 0;
g_mtlCacheState.pipelineMaxFileIndex = 0;
g_mtlCacheState.pipelinesLoaded = 0;
g_mtlCacheState.pipelinesQueued = 0;
// start async compilation threads
m_compilationCount.store(0);
m_compilationQueue.clear();
// get core count
uint32 cpuCoreCount = GetPhysicalCoreCount();
m_numCompilationThreads = std::clamp(cpuCoreCount, 1u, 8u);
// TODO: uncomment?
//if (VulkanRenderer::GetInstance()->GetDisableMultithreadedCompilation())
// m_numCompilationThreads = 1;
for (uint32 i = 0; i < m_numCompilationThreads; i++)
{
std::thread compileThread(&MetalPipelineCache::CompilerThread, this);
compileThread.detach();
}
// open cache file or create it
cemu_assert_debug(s_cache == nullptr);
s_cache = FileCache::Open(pathCacheFile, true, LatteShaderCache_getPipelineCacheExtraVersion(cacheTitleId));
if (!s_cache)
{
cemuLog_log(LogType::Force, "Failed to open or create Vulkan pipeline cache file: {}", _pathToUtf8(pathCacheFile));
return 0;
}
else
{
s_cache->UseCompression(false);
g_mtlCacheState.pipelineMaxFileIndex = s_cache->GetMaximumFileIndex();
}
return s_cache->GetFileCount();
}
bool MetalPipelineCache::UpdateLoading(uint32& pipelinesLoadedTotal, uint32& pipelinesMissingShaders)
{
pipelinesLoadedTotal = g_mtlCacheState.pipelinesLoaded;
pipelinesMissingShaders = 0;
while (g_mtlCacheState.pipelineLoadIndex <= g_mtlCacheState.pipelineMaxFileIndex)
{
if (m_compilationQueue.size() >= 50)
{
std::this_thread::sleep_for(std::chrono::milliseconds(10));
return true; // queue up to 50 entries at a time
}
uint64 fileNameA, fileNameB;
std::vector<uint8> fileData;
if (s_cache->GetFileByIndex(g_mtlCacheState.pipelineLoadIndex, &fileNameA, &fileNameB, fileData))
{
// queue for async compilation
g_mtlCacheState.pipelinesQueued++;
m_compilationQueue.push(std::move(fileData));
g_mtlCacheState.pipelineLoadIndex++;
return true;
}
g_mtlCacheState.pipelineLoadIndex++;
}
if (g_mtlCacheState.pipelinesLoaded != g_mtlCacheState.pipelinesQueued)
{
std::this_thread::sleep_for(std::chrono::milliseconds(10));
return true; // pipelines still compiling
}
return false; // done
}
void MetalPipelineCache::EndLoading()
{
// shut down compilation threads
uint32 threadCount = m_numCompilationThreads;
m_numCompilationThreads = 0; // signal thread shutdown
for (uint32 i = 0; i < threadCount; i++)
{
m_compilationQueue.push({}); // push empty workload for every thread. Threads then will shutdown after checking for m_numCompilationThreads == 0
}
// keep cache file open for writing of new pipelines
}
void MetalPipelineCache::Close()
{
if(s_cache)
{
delete s_cache;
s_cache = nullptr;
}
}
struct CachedPipeline
{
struct ShaderHash
{
uint64 baseHash;
uint64 auxHash;
bool isPresent{};
void set(uint64 baseHash, uint64 auxHash)
{
this->baseHash = baseHash;
this->auxHash = auxHash;
this->isPresent = true;
}
};
ShaderHash vsHash; // includes fetch shader
ShaderHash gsHash;
ShaderHash psHash;
Latte::GPUCompactedRegisterState gpuState;
};
void MetalPipelineCache::LoadPipelineFromCache(std::span<uint8> fileData)
{
static FSpinlock s_spinlockSharedInternal;
// deserialize file
LatteContextRegister* lcr = new LatteContextRegister();
s_spinlockSharedInternal.lock();
CachedPipeline* cachedPipeline = new CachedPipeline();
s_spinlockSharedInternal.unlock();
MemStreamReader streamReader(fileData.data(), fileData.size());
if (!DeserializePipeline(streamReader, *cachedPipeline))
{
// failed to deserialize
s_spinlockSharedInternal.lock();
delete lcr;
delete cachedPipeline;
s_spinlockSharedInternal.unlock();
return;
}
// restored register view from compacted state
Latte::LoadGPURegisterState(*lcr, cachedPipeline->gpuState);
LatteDecompilerShader* vertexShader = nullptr;
LatteDecompilerShader* geometryShader = nullptr;
LatteDecompilerShader* pixelShader = nullptr;
// find vertex shader
if (cachedPipeline->vsHash.isPresent)
{
vertexShader = LatteSHRC_FindVertexShader(cachedPipeline->vsHash.baseHash, cachedPipeline->vsHash.auxHash);
if (!vertexShader)
{
cemuLog_logDebug(LogType::Force, "Vertex shader not found in cache");
return;
}
}
// find geometry shader
if (cachedPipeline->gsHash.isPresent)
{
geometryShader = LatteSHRC_FindGeometryShader(cachedPipeline->gsHash.baseHash, cachedPipeline->gsHash.auxHash);
if (!geometryShader)
{
cemuLog_logDebug(LogType::Force, "Geometry shader not found in cache");
return;
}
}
// find pixel shader
if (cachedPipeline->psHash.isPresent)
{
pixelShader = LatteSHRC_FindPixelShader(cachedPipeline->psHash.baseHash, cachedPipeline->psHash.auxHash);
if (!pixelShader)
{
cemuLog_logDebug(LogType::Force, "Pixel shader not found in cache");
return;
}
}
if (!pixelShader)
{
cemu_assert_debug(false);
return;
}
// create pipeline info
m_pipelineIsCachedLock.lock();
m_pipelineIsCachedLock.unlock();
throw;
// TODO: uncomment
/*
// compile
{
MetalPipelineCompiler pp(m_mtlr);
if (!pp.InitFromState(fetchShader, vertexShader, geometryShader, pixelShader, activeFBO, activeFBO, *lcr))
{
s_spinlockSharedInternal.lock();
delete lcr;
delete cachedPipeline;
s_spinlockSharedInternal.unlock();
return;
}
pp.Compile(true, true);
// destroy pp early
}
// on success, calculate pipeline hash and flag as present in cache
uint64 pipelineBaseHash = vertexShader->baseHash;
uint64 pipelineStateHash = CalculatePipelineHash(fetchShader, vertexShader, geometryShader, pixelShader, activeFBO, activeFBO, *lcr);
m_pipelineIsCachedLock.lock();
m_pipelineIsCached.emplace(pipelineBaseHash, pipelineStateHash);
m_pipelineIsCachedLock.unlock();
*/
// clean up
s_spinlockSharedInternal.lock();
delete lcr;
delete cachedPipeline;
s_spinlockSharedInternal.unlock();
}
bool MetalPipelineCache::HasPipelineCached(uint64 baseHash, uint64 pipelineStateHash)
{
PipelineHash ph(baseHash, pipelineStateHash);
return m_pipelineIsCached.find(ph) != m_pipelineIsCached.end();
}
ConcurrentQueue<CachedPipeline*> g_mtlPipelineCachingQueue;
void MetalPipelineCache::AddCurrentStateToCache(uint64 baseHash, uint64 pipelineStateHash)
{
m_pipelineIsCached.emplace(baseHash, pipelineStateHash);
if (!m_pipelineCacheStoreThread)
{
m_pipelineCacheStoreThread = new std::thread(&MetalPipelineCache::WorkerThread, this);
m_pipelineCacheStoreThread->detach();
}
// fill job structure with cached GPU state
// for each cached pipeline we store:
// - Active shaders (referenced by hash)
// - An almost-complete register state of the GPU (minus some ALU uniform constants which aren't relevant)
CachedPipeline* job = new CachedPipeline();
auto vs = LatteSHRC_GetActiveVertexShader();
auto gs = LatteSHRC_GetActiveGeometryShader();
auto ps = LatteSHRC_GetActivePixelShader();
if (vs)
job->vsHash.set(vs->baseHash, vs->auxHash);
if (gs)
job->gsHash.set(gs->baseHash, gs->auxHash);
if (ps)
job->psHash.set(ps->baseHash, ps->auxHash);
Latte::StoreGPURegisterState(LatteGPUState.contextNew, job->gpuState);
// queue job
g_mtlPipelineCachingQueue.push(job);
}
bool MetalPipelineCache::SerializePipeline(MemStreamWriter& memWriter, CachedPipeline& cachedPipeline)
{
memWriter.writeBE<uint8>(0x01); // version
uint8 presentMask = 0;
if (cachedPipeline.vsHash.isPresent)
presentMask |= 1;
if (cachedPipeline.gsHash.isPresent)
presentMask |= 2;
if (cachedPipeline.psHash.isPresent)
presentMask |= 4;
memWriter.writeBE<uint8>(presentMask);
if (cachedPipeline.vsHash.isPresent)
{
memWriter.writeBE<uint64>(cachedPipeline.vsHash.baseHash);
memWriter.writeBE<uint64>(cachedPipeline.vsHash.auxHash);
}
if (cachedPipeline.gsHash.isPresent)
{
memWriter.writeBE<uint64>(cachedPipeline.gsHash.baseHash);
memWriter.writeBE<uint64>(cachedPipeline.gsHash.auxHash);
}
if (cachedPipeline.psHash.isPresent)
{
memWriter.writeBE<uint64>(cachedPipeline.psHash.baseHash);
memWriter.writeBE<uint64>(cachedPipeline.psHash.auxHash);
}
Latte::SerializeRegisterState(cachedPipeline.gpuState, memWriter);
return true;
}
bool MetalPipelineCache::DeserializePipeline(MemStreamReader& memReader, CachedPipeline& cachedPipeline)
{
// version
if (memReader.readBE<uint8>() != 1)
{
cemuLog_log(LogType::Force, "Cached Vulkan pipeline corrupted or has unknown version");
return false;
}
// shader hashes
uint8 presentMask = memReader.readBE<uint8>();
if (presentMask & 1)
{
uint64 baseHash = memReader.readBE<uint64>();
uint64 auxHash = memReader.readBE<uint64>();
cachedPipeline.vsHash.set(baseHash, auxHash);
}
if (presentMask & 2)
{
uint64 baseHash = memReader.readBE<uint64>();
uint64 auxHash = memReader.readBE<uint64>();
cachedPipeline.gsHash.set(baseHash, auxHash);
}
if (presentMask & 4)
{
uint64 baseHash = memReader.readBE<uint64>();
uint64 auxHash = memReader.readBE<uint64>();
cachedPipeline.psHash.set(baseHash, auxHash);
}
// deserialize GPU state
if (!Latte::DeserializeRegisterState(cachedPipeline.gpuState, memReader))
{
return false;
}
cemu_assert_debug(!memReader.hasError());
return true;
}
int MetalPipelineCache::CompilerThread()
{
SetThreadName("plCacheCompiler");
while (m_numCompilationThreads != 0)
{
std::vector<uint8> pipelineData = m_compilationQueue.pop();
if(pipelineData.empty())
continue;
LoadPipelineFromCache(pipelineData);
++g_mtlCacheState.pipelinesLoaded;
}
return 0;
}
void MetalPipelineCache::WorkerThread()
{
SetThreadName("plCacheWriter");
while (true)
{
CachedPipeline* job;
g_mtlPipelineCachingQueue.pop(job);
if (!s_cache)
{
delete job;
continue;
}
// serialize
MemStreamWriter memWriter(1024 * 4);
SerializePipeline(memWriter, *job);
auto blob = memWriter.getResult();
// file name is derived from data hash
uint8 hash[SHA256_DIGEST_LENGTH];
SHA256(blob.data(), blob.size(), hash);
uint64 nameA = *(uint64be*)(hash + 0);
uint64 nameB = *(uint64be*)(hash + 8);
s_cache->AddFileAsync({ nameA, nameB }, blob.data(), blob.size());
delete job;
}
}

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@ -1,18 +1,54 @@
#pragma once
#include "Cafe/HW/Latte/Renderer/Metal/MetalPipelineCompiler.h"
#include "util/helpers/ConcurrentQueue.h"
#include "util/helpers/fspinlock.h"
// TODO: binary archives
class MetalPipelineCache
{
public:
static uint64 CalculatePipelineHash(const LatteFetchShader* fetchShader, const LatteDecompilerShader* vertexShader, const LatteDecompilerShader* geometryShader, const LatteDecompilerShader* pixelShader, class CachedFBOMtl* lastUsedFBO, class CachedFBOMtl* activeFBO, const LatteContextRegister& lcr);
struct PipelineHash
{
PipelineHash(uint64 h0, uint64 h1) : h0(h0), h1(h1) {};
uint64 h0;
uint64 h1;
bool operator==(const PipelineHash& r) const
{
return h0 == r.h0 && h1 == r.h1;
}
struct HashFunc
{
size_t operator()(const PipelineHash& v) const
{
static_assert(sizeof(uint64) == sizeof(size_t));
return v.h0 ^ v.h1;
}
};
};
MetalPipelineCache(class MetalRenderer* metalRenderer) : m_mtlr{metalRenderer} {}
~MetalPipelineCache();
MTL::RenderPipelineState* GetRenderPipelineState(const LatteFetchShader* fetchShader, const LatteDecompilerShader* vertexShader, const LatteDecompilerShader* geometryShader, const LatteDecompilerShader* pixelShader, class CachedFBOMtl* lastUsedFBO, class CachedFBOMtl* activeFBO, const LatteContextRegister& lcr);
// Cache loading
uint32 BeginLoading(uint64 cacheTitleId); // returns count of pipelines stored in cache
bool UpdateLoading(uint32& pipelinesLoadedTotal, uint32& pipelinesMissingShaders);
void EndLoading();
void LoadPipelineFromCache(std::span<uint8> fileData);
void Close(); // called on title exit
bool HasPipelineCached(uint64 baseHash, uint64 pipelineStateHash);
void AddCurrentStateToCache(uint64 baseHash, uint64 pipelineStateHash);
// pipeline serialization for file
bool SerializePipeline(class MemStreamWriter& memWriter, struct CachedPipeline& cachedPipeline);
bool DeserializePipeline(class MemStreamReader& memReader, struct CachedPipeline& cachedPipeline);
// Debug
size_t GetPipelineCacheSize() const { return m_pipelineCache.size(); }
@ -20,4 +56,19 @@ private:
class MetalRenderer* m_mtlr;
std::map<uint64, MTL::RenderPipelineState*> m_pipelineCache;
std::thread* m_pipelineCacheStoreThread;
std::unordered_set<PipelineHash, PipelineHash::HashFunc> m_pipelineIsCached;
FSpinlock m_pipelineIsCachedLock;
class FileCache* s_cache;
std::atomic_uint32_t m_numCompilationThreads{ 0 };
ConcurrentQueue<std::vector<uint8>> m_compilationQueue;
std::atomic_uint32_t m_compilationCount;
static uint64 CalculatePipelineHash(const LatteFetchShader* fetchShader, const LatteDecompilerShader* vertexShader, const LatteDecompilerShader* geometryShader, const LatteDecompilerShader* pixelShader, class CachedFBOMtl* lastUsedFBO, class CachedFBOMtl* activeFBO, const LatteContextRegister& lcr);
int CompilerThread();
void WorkerThread();
};