dolphin/Source/Core/VideoBackends/D3D/VertexShaderCache.cpp

509 lines
15 KiB
C++

// Copyright 2010 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <string>
#include "Common/Align.h"
#include "Common/CommonTypes.h"
#include "Common/FileUtil.h"
#include "Common/LinearDiskCache.h"
#include "Common/MsgHandler.h"
#include "Common/StringUtil.h"
#include "Core/ConfigManager.h"
#include "Core/Host.h"
#include "VideoBackends/D3D/D3DShader.h"
#include "VideoBackends/D3D/D3DState.h"
#include "VideoBackends/D3D/VertexManager.h"
#include "VideoBackends/D3D/VertexShaderCache.h"
#include "VideoCommon/Debugger.h"
#include "VideoCommon/Statistics.h"
#include "VideoCommon/UberShaderVertex.h"
#include "VideoCommon/VertexLoaderManager.h"
#include "VideoCommon/VertexShaderGen.h"
#include "VideoCommon/VertexShaderManager.h"
namespace DX11
{
VertexShaderCache::VSCache VertexShaderCache::vshaders;
VertexShaderCache::UberVSCache VertexShaderCache::ubervshaders;
const VertexShaderCache::VSCacheEntry* VertexShaderCache::last_entry;
const VertexShaderCache::VSCacheEntry* VertexShaderCache::last_uber_entry;
VertexShaderUid VertexShaderCache::last_uid;
UberShader::VertexShaderUid VertexShaderCache::last_uber_uid;
static ID3D11VertexShader* SimpleVertexShader = nullptr;
static ID3D11VertexShader* ClearVertexShader = nullptr;
static ID3D11InputLayout* SimpleLayout = nullptr;
static ID3D11InputLayout* ClearLayout = nullptr;
LinearDiskCache<VertexShaderUid, u8> g_vs_disk_cache;
LinearDiskCache<UberShader::VertexShaderUid, u8> g_uber_vs_disk_cache;
std::unique_ptr<VideoCommon::AsyncShaderCompiler> g_async_compiler;
ID3D11VertexShader* VertexShaderCache::GetSimpleVertexShader()
{
return SimpleVertexShader;
}
ID3D11VertexShader* VertexShaderCache::GetClearVertexShader()
{
return ClearVertexShader;
}
ID3D11InputLayout* VertexShaderCache::GetSimpleInputLayout()
{
return SimpleLayout;
}
ID3D11InputLayout* VertexShaderCache::GetClearInputLayout()
{
return ClearLayout;
}
ID3D11Buffer* vscbuf = nullptr;
ID3D11Buffer*& VertexShaderCache::GetConstantBuffer()
{
// TODO: divide the global variables of the generated shaders into about 5 constant buffers to
// speed this up
if (VertexShaderManager::dirty)
{
D3D11_MAPPED_SUBRESOURCE map;
D3D::context->Map(vscbuf, 0, D3D11_MAP_WRITE_DISCARD, 0, &map);
memcpy(map.pData, &VertexShaderManager::constants, sizeof(VertexShaderConstants));
D3D::context->Unmap(vscbuf, 0);
VertexShaderManager::dirty = false;
ADDSTAT(stats.thisFrame.bytesUniformStreamed, sizeof(VertexShaderConstants));
}
return vscbuf;
}
// this class will load the precompiled shaders into our cache
template <typename UidType>
class VertexShaderCacheInserter : public LinearDiskCacheReader<UidType, u8>
{
public:
void Read(const UidType& key, const u8* value, u32 value_size)
{
D3DBlob* blob = new D3DBlob(value_size, value);
VertexShaderCache::InsertByteCode(key, blob);
blob->Release();
}
};
const char simple_shader_code[] = {
"struct VSOUTPUT\n"
"{\n"
"float4 vPosition : POSITION;\n"
"float3 vTexCoord : TEXCOORD0;\n"
"float vTexCoord1 : TEXCOORD1;\n"
"};\n"
"VSOUTPUT main(float4 inPosition : POSITION,float4 inTEX0 : TEXCOORD0)\n"
"{\n"
"VSOUTPUT OUT;\n"
"OUT.vPosition = inPosition;\n"
"OUT.vTexCoord = inTEX0.xyz;\n"
"OUT.vTexCoord1 = inTEX0.w;\n"
"return OUT;\n"
"}\n"};
const char clear_shader_code[] = {
"struct VSOUTPUT\n"
"{\n"
"float4 vPosition : POSITION;\n"
"float4 vColor0 : COLOR0;\n"
"};\n"
"VSOUTPUT main(float4 inPosition : POSITION,float4 inColor0: COLOR0)\n"
"{\n"
"VSOUTPUT OUT;\n"
"OUT.vPosition = inPosition;\n"
"OUT.vColor0 = inColor0;\n"
"return OUT;\n"
"}\n"};
void VertexShaderCache::Init()
{
const D3D11_INPUT_ELEMENT_DESC simpleelems[2] = {
{"POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0},
{"TEXCOORD", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0},
};
const D3D11_INPUT_ELEMENT_DESC clearelems[2] = {
{"POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0},
{"COLOR", 0, DXGI_FORMAT_R8G8B8A8_UNORM, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0},
};
unsigned int cbsize = Common::AlignUp(static_cast<unsigned int>(sizeof(VertexShaderConstants)),
16); // must be a multiple of 16
D3D11_BUFFER_DESC cbdesc = CD3D11_BUFFER_DESC(cbsize, D3D11_BIND_CONSTANT_BUFFER,
D3D11_USAGE_DYNAMIC, D3D11_CPU_ACCESS_WRITE);
HRESULT hr = D3D::device->CreateBuffer(&cbdesc, nullptr, &vscbuf);
CHECK(hr == S_OK, "Create vertex shader constant buffer (size=%u)", cbsize);
D3D::SetDebugObjectName(vscbuf, "vertex shader constant buffer used to emulate the GX pipeline");
D3DBlob* blob;
D3D::CompileVertexShader(simple_shader_code, &blob);
D3D::device->CreateInputLayout(simpleelems, 2, blob->Data(), blob->Size(), &SimpleLayout);
SimpleVertexShader = D3D::CreateVertexShaderFromByteCode(blob);
if (SimpleLayout == nullptr || SimpleVertexShader == nullptr)
PanicAlert("Failed to create simple vertex shader or input layout at %s %d\n", __FILE__,
__LINE__);
blob->Release();
D3D::SetDebugObjectName(SimpleVertexShader, "simple vertex shader");
D3D::SetDebugObjectName(SimpleLayout, "simple input layout");
D3D::CompileVertexShader(clear_shader_code, &blob);
D3D::device->CreateInputLayout(clearelems, 2, blob->Data(), blob->Size(), &ClearLayout);
ClearVertexShader = D3D::CreateVertexShaderFromByteCode(blob);
if (ClearLayout == nullptr || ClearVertexShader == nullptr)
PanicAlert("Failed to create clear vertex shader or input layout at %s %d\n", __FILE__,
__LINE__);
blob->Release();
D3D::SetDebugObjectName(ClearVertexShader, "clear vertex shader");
D3D::SetDebugObjectName(ClearLayout, "clear input layout");
Clear();
SETSTAT(stats.numVertexShadersCreated, 0);
SETSTAT(stats.numVertexShadersAlive, 0);
if (g_ActiveConfig.bShaderCache)
LoadShaderCache();
g_async_compiler = std::make_unique<VideoCommon::AsyncShaderCompiler>();
g_async_compiler->ResizeWorkerThreads(g_ActiveConfig.CanPrecompileUberShaders() ?
g_ActiveConfig.GetShaderPrecompilerThreads() :
g_ActiveConfig.GetShaderCompilerThreads());
if (g_ActiveConfig.CanPrecompileUberShaders())
QueueUberShaderCompiles();
}
void VertexShaderCache::LoadShaderCache()
{
VertexShaderCacheInserter<VertexShaderUid> inserter;
g_vs_disk_cache.OpenAndRead(GetDiskShaderCacheFileName(APIType::D3D, "VS", true, true), inserter);
VertexShaderCacheInserter<UberShader::VertexShaderUid> uber_inserter;
g_uber_vs_disk_cache.OpenAndRead(GetDiskShaderCacheFileName(APIType::D3D, "UberVS", false, true),
uber_inserter);
}
void VertexShaderCache::Reload()
{
g_async_compiler->WaitUntilCompletion();
g_async_compiler->RetrieveWorkItems();
g_vs_disk_cache.Sync();
g_vs_disk_cache.Close();
g_uber_vs_disk_cache.Sync();
g_uber_vs_disk_cache.Close();
Clear();
if (g_ActiveConfig.bShaderCache)
LoadShaderCache();
if (g_ActiveConfig.CanPrecompileUberShaders())
QueueUberShaderCompiles();
}
void VertexShaderCache::Clear()
{
for (auto& iter : vshaders)
iter.second.Destroy();
for (auto& iter : ubervshaders)
iter.second.Destroy();
vshaders.clear();
ubervshaders.clear();
last_uid = {};
last_uber_uid = {};
last_entry = nullptr;
last_uber_entry = nullptr;
last_uid = {};
last_uber_uid = {};
}
void VertexShaderCache::Shutdown()
{
g_async_compiler->StopWorkerThreads();
g_async_compiler->RetrieveWorkItems();
SAFE_RELEASE(vscbuf);
SAFE_RELEASE(SimpleVertexShader);
SAFE_RELEASE(ClearVertexShader);
SAFE_RELEASE(SimpleLayout);
SAFE_RELEASE(ClearLayout);
Clear();
g_vs_disk_cache.Sync();
g_vs_disk_cache.Close();
g_uber_vs_disk_cache.Sync();
g_uber_vs_disk_cache.Close();
}
bool VertexShaderCache::SetShader(D3DVertexFormat* vertex_format)
{
if (g_ActiveConfig.bDisableSpecializedShaders)
return SetUberShader(vertex_format);
VertexShaderUid uid = GetVertexShaderUid();
if (last_entry && uid == last_uid)
{
if (last_entry->pending)
return SetUberShader(vertex_format);
if (!last_entry->shader)
return false;
vertex_format->SetInputLayout(last_entry->bytecode);
D3D::stateman->SetVertexShader(last_entry->shader);
return true;
}
auto iter = vshaders.find(uid);
if (iter != vshaders.end())
{
const VSCacheEntry& entry = iter->second;
if (entry.pending)
return SetUberShader(vertex_format);
last_uid = uid;
last_entry = &entry;
GFX_DEBUGGER_PAUSE_AT(NEXT_VERTEX_SHADER_CHANGE, true);
if (!last_entry->shader)
return false;
vertex_format->SetInputLayout(last_entry->bytecode);
D3D::stateman->SetVertexShader(last_entry->shader);
return true;
}
// Background compiling?
if (g_ActiveConfig.CanBackgroundCompileShaders())
{
// Create a pending entry
VSCacheEntry entry;
entry.pending = true;
vshaders[uid] = entry;
// Queue normal shader compiling and use ubershader
g_async_compiler->QueueWorkItem(
g_async_compiler->CreateWorkItem<VertexShaderCompilerWorkItem>(uid));
return SetUberShader(vertex_format);
}
// Need to compile a new shader
D3DBlob* bytecode = nullptr;
ShaderCode code =
GenerateVertexShaderCode(APIType::D3D, ShaderHostConfig::GetCurrent(), uid.GetUidData());
D3D::CompileVertexShader(code.GetBuffer(), &bytecode);
if (!InsertByteCode(uid, bytecode))
{
SAFE_RELEASE(bytecode);
return false;
}
g_vs_disk_cache.Append(uid, bytecode->Data(), bytecode->Size());
bytecode->Release();
return SetShader(vertex_format);
}
bool VertexShaderCache::SetUberShader(D3DVertexFormat* vertex_format)
{
D3DVertexFormat* uber_vertex_format = static_cast<D3DVertexFormat*>(
VertexLoaderManager::GetUberVertexFormat(vertex_format->GetVertexDeclaration()));
UberShader::VertexShaderUid uid = UberShader::GetVertexShaderUid();
if (last_uber_entry && last_uber_uid == uid)
{
if (!last_uber_entry->shader)
return false;
uber_vertex_format->SetInputLayout(last_uber_entry->bytecode);
D3D::stateman->SetVertexShader(last_uber_entry->shader);
return true;
}
auto iter = ubervshaders.find(uid);
if (iter != ubervshaders.end())
{
const VSCacheEntry& entry = iter->second;
last_uber_uid = uid;
last_uber_entry = &entry;
GFX_DEBUGGER_PAUSE_AT(NEXT_VERTEX_SHADER_CHANGE, true);
if (!last_uber_entry->shader)
return false;
uber_vertex_format->SetInputLayout(last_uber_entry->bytecode);
D3D::stateman->SetVertexShader(last_uber_entry->shader);
return true;
}
// Need to compile a new shader
D3DBlob* bytecode = nullptr;
ShaderCode code =
UberShader::GenVertexShader(APIType::D3D, ShaderHostConfig::GetCurrent(), uid.GetUidData());
D3D::CompileVertexShader(code.GetBuffer(), &bytecode);
if (!InsertByteCode(uid, bytecode))
{
SAFE_RELEASE(bytecode);
return false;
}
g_uber_vs_disk_cache.Append(uid, bytecode->Data(), bytecode->Size());
bytecode->Release();
return SetUberShader(vertex_format);
}
bool VertexShaderCache::InsertByteCode(const VertexShaderUid& uid, D3DBlob* blob)
{
ID3D11VertexShader* shader =
blob ? D3D::CreateVertexShaderFromByteCode(blob->Data(), blob->Size()) : nullptr;
bool result = InsertShader(uid, shader, blob);
SAFE_RELEASE(shader);
return result;
}
bool VertexShaderCache::InsertByteCode(const UberShader::VertexShaderUid& uid, D3DBlob* blob)
{
ID3D11VertexShader* shader =
blob ? D3D::CreateVertexShaderFromByteCode(blob->Data(), blob->Size()) : nullptr;
bool result = InsertShader(uid, shader, blob);
SAFE_RELEASE(shader);
return result;
}
bool VertexShaderCache::InsertShader(const VertexShaderUid& uid, ID3D11VertexShader* shader,
D3DBlob* blob)
{
auto iter = vshaders.find(uid);
if (iter != vshaders.end() && !iter->second.pending)
return false;
VSCacheEntry& newentry = vshaders[uid];
newentry.pending = false;
if (!shader || !blob)
return false;
shader->AddRef();
newentry.SetByteCode(blob);
newentry.shader = shader;
INCSTAT(stats.numPixelShadersCreated);
SETSTAT(stats.numPixelShadersAlive, static_cast<int>(vshaders.size()));
return true;
}
bool VertexShaderCache::InsertShader(const UberShader::VertexShaderUid& uid,
ID3D11VertexShader* shader, D3DBlob* blob)
{
auto iter = ubervshaders.find(uid);
if (iter != ubervshaders.end() && !iter->second.pending)
return false;
VSCacheEntry& newentry = ubervshaders[uid];
newentry.pending = false;
if (!shader || !blob)
return false;
shader->AddRef();
newentry.SetByteCode(blob);
newentry.shader = shader;
return true;
}
void VertexShaderCache::RetreiveAsyncShaders()
{
g_async_compiler->RetrieveWorkItems();
}
void VertexShaderCache::QueueUberShaderCompiles()
{
UberShader::EnumerateVertexShaderUids([&](const UberShader::VertexShaderUid& uid) {
if (ubervshaders.find(uid) != ubervshaders.end())
return;
g_async_compiler->QueueWorkItem(
g_async_compiler->CreateWorkItem<UberVertexShaderCompilerWorkItem>(uid));
});
}
void VertexShaderCache::WaitForBackgroundCompilesToComplete()
{
g_async_compiler->WaitUntilCompletion([](size_t completed, size_t total) {
Host_UpdateProgressDialog(GetStringT("Compiling shaders...").c_str(),
static_cast<int>(completed), static_cast<int>(total));
});
g_async_compiler->RetrieveWorkItems();
Host_UpdateProgressDialog("", -1, -1);
// Switch from precompile -> runtime compiler threads.
g_async_compiler->ResizeWorkerThreads(g_ActiveConfig.GetShaderCompilerThreads());
}
VertexShaderCache::VertexShaderCompilerWorkItem::VertexShaderCompilerWorkItem(
const VertexShaderUid& uid)
{
std::memcpy(&m_uid, &uid, sizeof(uid));
}
VertexShaderCache::VertexShaderCompilerWorkItem::~VertexShaderCompilerWorkItem()
{
SAFE_RELEASE(m_bytecode);
SAFE_RELEASE(m_vs);
}
bool VertexShaderCache::VertexShaderCompilerWorkItem::Compile()
{
ShaderCode code =
GenerateVertexShaderCode(APIType::D3D, ShaderHostConfig::GetCurrent(), m_uid.GetUidData());
if (D3D::CompileVertexShader(code.GetBuffer(), &m_bytecode))
m_vs = D3D::CreateVertexShaderFromByteCode(m_bytecode);
return true;
}
void VertexShaderCache::VertexShaderCompilerWorkItem::Retrieve()
{
if (InsertShader(m_uid, m_vs, m_bytecode))
g_vs_disk_cache.Append(m_uid, m_bytecode->Data(), m_bytecode->Size());
}
VertexShaderCache::UberVertexShaderCompilerWorkItem::UberVertexShaderCompilerWorkItem(
const UberShader::VertexShaderUid& uid)
{
std::memcpy(&m_uid, &uid, sizeof(uid));
}
VertexShaderCache::UberVertexShaderCompilerWorkItem::~UberVertexShaderCompilerWorkItem()
{
SAFE_RELEASE(m_bytecode);
SAFE_RELEASE(m_vs);
}
bool VertexShaderCache::UberVertexShaderCompilerWorkItem::Compile()
{
ShaderCode code =
UberShader::GenVertexShader(APIType::D3D, ShaderHostConfig::GetCurrent(), m_uid.GetUidData());
if (D3D::CompileVertexShader(code.GetBuffer(), &m_bytecode))
m_vs = D3D::CreateVertexShaderFromByteCode(m_bytecode);
return true;
}
void VertexShaderCache::UberVertexShaderCompilerWorkItem::Retrieve()
{
if (InsertShader(m_uid, m_vs, m_bytecode))
g_uber_vs_disk_cache.Append(m_uid, m_bytecode->Data(), m_bytecode->Size());
}
} // namespace DX11