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Implement shader cache.

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Skyth 2024-10-16 20:49:54 +03:00
parent 0cd86bf130
commit 3d76d26a64
1 changed files with 79 additions and 21 deletions
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98
UnleashedRecomp/gpu/video.cpp
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@ -281,6 +281,44 @@ static void FlushBarriers()
}
}
struct ShaderCacheHeader
{
uint32_t version;
uint32_t shaderCount;
uint32_t reserved0;
uint32_t reserved1;
};
struct ShaderCacheEntry
{
XXH64_hash_t hash;
uint32_t dxilOffset;
uint32_t dxilSize;
uint32_t spirvOffset;
uint32_t spirvSize;
GuestShader* shader = nullptr;
};
static std::unique_ptr<uint8_t[]> g_shaderCache;
static void LoadShaderCache()
{
FILE* file = fopen("ShaderCache.bin", "rb");
if (file)
{
fseek(file, 0, SEEK_END);
long fileSize = ftell(file);
fseek(file, 0, SEEK_SET);
g_shaderCache = std::make_unique<uint8_t[]>(fileSize);
fread(g_shaderCache.get(), 1, fileSize, file);
fclose(file);
}
else
{
MessageBox(nullptr, TEXT("Unable to locate ShaderCache.bin in root directory."), TEXT("SWA"), MB_ICONERROR);
}
}
static void SetRenderState(GuestDevice* device, uint32_t value)
{
}
@ -500,6 +538,7 @@ static void CreateHostDevice()
g_inputSlots[i].index = i;
Window::Init();
LoadShaderCache();
g_interface = g_vulkan ? CreateVulkanInterface() : CreateD3D12Interface();
g_device = g_interface->createDevice();
@ -1024,7 +1063,7 @@ static GuestSurface* CreateSurface(uint32_t width, uint32_t height, uint32_t for
desc.depth = 1;
desc.mipLevels = 1;
desc.arraySize = 1;
desc.multisampling.sampleCount = multiSample != 0 ? RenderSampleCount::COUNT_2 : RenderSampleCount::COUNT_1;
//desc.multisampling.sampleCount = (desc.format != RenderFormat::D32_FLOAT && multiSample != 0) ? RenderSampleCount::COUNT_2 : RenderSampleCount::COUNT_1;
desc.format = ConvertFormat(format);
desc.flags = desc.format == RenderFormat::D32_FLOAT ? RenderTextureFlag::DEPTH_TARGET : RenderTextureFlag::RENDER_TARGET;
@ -1900,28 +1939,50 @@ static void SetVertexDeclaration(GuestDevice* device, GuestVertexDeclaration* ve
device->vertexDeclaration = vertexDeclaration;
}
static std::unique_ptr<RenderShader> CreateShader(const uint32_t* function)
static GuestShader* CreateShader(const be<uint32_t>* function, ResourceType resourceType)
{
if (*function == 0)
{
const uint32_t dxilSize = *(function + 1);
const uint32_t spirvSize = *(function + 2);
XXH64_hash_t hash = XXH3_64bits(function, function[1] + function[2]);
auto shaderCache = reinterpret_cast<ShaderCacheHeader*>(g_shaderCache.get());
auto begin = reinterpret_cast<ShaderCacheEntry*>(shaderCache + 1);
auto end = begin + shaderCache->shaderCount;
auto findResult = std::lower_bound(begin, end, hash, [](ShaderCacheEntry& lhs, XXH64_hash_t rhs)
{
return lhs.hash < rhs;
});
GuestShader* shader = nullptr;
if (findResult != end && findResult->hash == hash)
{
if (findResult->shader == nullptr)
{
shader = g_userHeap.AllocPhysical<GuestShader>(resourceType);
const uint8_t* bytes = reinterpret_cast<const uint8_t*>(function + 3);
if (g_vulkan)
return g_device->createShader(bytes + dxilSize, spirvSize, "main", RenderShaderFormat::SPIRV);
shader->shader = g_device->createShader(g_shaderCache.get() + findResult->spirvOffset, findResult->spirvSize, "main", RenderShaderFormat::SPIRV);
else
return g_device->createShader(bytes, dxilSize, "main", RenderShaderFormat::DXIL);
shader->shader = g_device->createShader(g_shaderCache.get() + findResult->dxilOffset, findResult->dxilSize, "main", RenderShaderFormat::DXIL);
findResult->shader = shader;
}
return nullptr;
else
{
shader = findResult->shader;
}
}
if (shader == nullptr)
shader = g_userHeap.AllocPhysical<GuestShader>(resourceType);
else
shader->AddRef();
return shader;
}
static GuestShader* CreateVertexShader(const uint32_t* function)
static GuestShader* CreateVertexShader(const be<uint32_t>* function)
{
auto vertexShader = g_userHeap.AllocPhysical<GuestShader>(ResourceType::VertexShader);
vertexShader->shader = CreateShader(function);
return vertexShader;
return CreateShader(function, ResourceType::VertexShader);
}
static void SetVertexShader(GuestDevice* device, GuestShader* shader)
@ -1953,12 +2014,9 @@ static void SetIndices(GuestDevice* device, GuestBuffer* buffer)
SetDirtyValue(g_dirtyStates.indices, g_indexBufferView.size, buffer != nullptr ? buffer->dataSize : 0u);
}
static GuestShader* CreatePixelShader(const uint32_t* function)
static GuestShader* CreatePixelShader(const be<uint32_t>* function)
{
auto pixelShader = g_userHeap.AllocPhysical<GuestShader>(ResourceType::PixelShader);
pixelShader->shader = CreateShader(function);
return pixelShader;
return CreateShader(function, ResourceType::PixelShader);
}
static void SetPixelShader(GuestDevice* device, GuestShader* shader)