Merge pull request #7869 from stenzek/d3dcommon

D3D: Move sharable D3D11/D3D12 code to common library

1 files changed, 320 insertions, 0 deletions

diff --git a/Source/Core/VideoBackends/D3DCommon/Common.cpp b/Source/Core/VideoBackends/D3DCommon/Common.cpp
new file mode 100644
index 0000000000..f82c2d3f8c
--- /dev/null
+++ b/Source/Core/VideoBackends/D3DCommon/Common.cpp
@@ -0,0 +1,320 @@
+// Copyright 2019 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <d3d11.h>
+#include <d3d12.h>
+#include <dxgi1_3.h>
+#include <wrl/client.h>
+
+#include "Common/Assert.h"
+#include "Common/DynamicLibrary.h"
+#include "Common/MsgHandler.h"
+#include "Common/StringUtil.h"
+#include "VideoBackends/D3DCommon/Common.h"
+#include "VideoCommon/TextureConfig.h"
+#include "VideoCommon/VideoConfig.h"
+
+namespace D3DCommon
+{
+pD3DCompile d3d_compile;
+
+static Common::DynamicLibrary s_dxgi_library;
+static Common::DynamicLibrary s_d3dcompiler_library;
+static bool s_libraries_loaded = false;
+
+static HRESULT (*create_dxgi_factory)(REFIID riid, _COM_Outptr_ void** ppFactory);
+static HRESULT (*create_dxgi_factory2)(UINT Flags, REFIID riid, void** ppFactory);
+
+bool LoadLibraries()
+{
+  if (s_libraries_loaded)
+    return true;
+
+  if (!s_dxgi_library.Open("dxgi.dll"))
+  {
+    PanicAlertT("Failed to load dxgi.dll");
+    return false;
+  }
+
+  if (!s_d3dcompiler_library.Open(D3DCOMPILER_DLL_A))
+  {
+    PanicAlertT("Failed to load %s. If you are using Windows 7, try installing the "
+                "KB4019990 update package.",
+                D3DCOMPILER_DLL_A);
+    s_dxgi_library.Close();
+    return false;
+  }
+
+  // Required symbols.
+  if (!s_d3dcompiler_library.GetSymbol("D3DCompile", &d3d_compile) ||
+      !s_dxgi_library.GetSymbol("CreateDXGIFactory", &create_dxgi_factory))
+  {
+    PanicAlertT("Failed to find one or more D3D symbols");
+    s_d3dcompiler_library.Close();
+    s_dxgi_library.Close();
+    return false;
+  }
+
+  // Optional symbols.
+  s_dxgi_library.GetSymbol("CreateDXGIFactory2", &create_dxgi_factory2);
+  s_libraries_loaded = true;
+  return true;
+}
+
+void UnloadLibraries()
+{
+  create_dxgi_factory = nullptr;
+  create_dxgi_factory2 = nullptr;
+  d3d_compile = nullptr;
+  s_d3dcompiler_library.Close();
+  s_dxgi_library.Close();
+  s_libraries_loaded = false;
+}
+
+IDXGIFactory2* CreateDXGIFactory(bool debug_device)
+{
+  IDXGIFactory2* factory;
+
+  // Use Win8.1 version if available.
+  if (create_dxgi_factory2 &&
+      SUCCEEDED(create_dxgi_factory2(debug_device ? DXGI_CREATE_FACTORY_DEBUG : 0,
+                                     IID_PPV_ARGS(&factory))))
+  {
+    return factory;
+  }
+
+  // Fallback to original version, without debug support.
+  HRESULT hr = create_dxgi_factory(IID_PPV_ARGS(&factory));
+  if (FAILED(hr))
+  {
+    PanicAlert("CreateDXGIFactory() failed with HRESULT %08X", hr);
+    return nullptr;
+  }
+
+  return factory;
+}
+
+std::vector<std::string> GetAdapterNames()
+{
+  Microsoft::WRL::ComPtr<IDXGIFactory> factory;
+  HRESULT hr = create_dxgi_factory(IID_PPV_ARGS(&factory));
+  if (!SUCCEEDED(hr))
+    return {};
+
+  std::vector<std::string> adapters;
+  IDXGIAdapter* adapter;
+  while (factory->EnumAdapters(static_cast<UINT>(adapters.size()), &adapter) !=
+         DXGI_ERROR_NOT_FOUND)
+  {
+    std::string name;
+    DXGI_ADAPTER_DESC desc;
+    if (SUCCEEDED(adapter->GetDesc(&desc)))
+      name = UTF16ToUTF8(desc.Description);
+
+    adapters.push_back(std::move(name));
+  }
+
+  return adapters;
+}
+
+DXGI_FORMAT GetDXGIFormatForAbstractFormat(AbstractTextureFormat format, bool typeless)
+{
+  switch (format)
+  {
+  case AbstractTextureFormat::DXT1:
+    return DXGI_FORMAT_BC1_UNORM;
+  case AbstractTextureFormat::DXT3:
+    return DXGI_FORMAT_BC2_UNORM;
+  case AbstractTextureFormat::DXT5:
+    return DXGI_FORMAT_BC3_UNORM;
+  case AbstractTextureFormat::BPTC:
+    return DXGI_FORMAT_BC7_UNORM;
+  case AbstractTextureFormat::RGBA8:
+    return typeless ? DXGI_FORMAT_R8G8B8A8_TYPELESS : DXGI_FORMAT_R8G8B8A8_UNORM;
+  case AbstractTextureFormat::BGRA8:
+    return typeless ? DXGI_FORMAT_B8G8R8A8_TYPELESS : DXGI_FORMAT_B8G8R8A8_UNORM;
+  case AbstractTextureFormat::R16:
+    return typeless ? DXGI_FORMAT_R16_TYPELESS : DXGI_FORMAT_R16_UNORM;
+  case AbstractTextureFormat::R32F:
+    return typeless ? DXGI_FORMAT_R32_TYPELESS : DXGI_FORMAT_R32_FLOAT;
+  case AbstractTextureFormat::D16:
+    return DXGI_FORMAT_R16_TYPELESS;
+  case AbstractTextureFormat::D24_S8:
+    return DXGI_FORMAT_R24G8_TYPELESS;
+  case AbstractTextureFormat::D32F:
+    return DXGI_FORMAT_R32_TYPELESS;
+  case AbstractTextureFormat::D32F_S8:
+    return DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS;
+  default:
+    PanicAlert("Unhandled texture format.");
+    return DXGI_FORMAT_R8G8B8A8_UNORM;
+  }
+}
+DXGI_FORMAT GetSRVFormatForAbstractFormat(AbstractTextureFormat format)
+{
+  switch (format)
+  {
+  case AbstractTextureFormat::DXT1:
+    return DXGI_FORMAT_BC1_UNORM;
+  case AbstractTextureFormat::DXT3:
+    return DXGI_FORMAT_BC2_UNORM;
+  case AbstractTextureFormat::DXT5:
+    return DXGI_FORMAT_BC3_UNORM;
+  case AbstractTextureFormat::BPTC:
+    return DXGI_FORMAT_BC7_UNORM;
+  case AbstractTextureFormat::RGBA8:
+    return DXGI_FORMAT_R8G8B8A8_UNORM;
+  case AbstractTextureFormat::BGRA8:
+    return DXGI_FORMAT_B8G8R8A8_UNORM;
+  case AbstractTextureFormat::R16:
+    return DXGI_FORMAT_R16_UNORM;
+  case AbstractTextureFormat::R32F:
+    return DXGI_FORMAT_R32_FLOAT;
+  case AbstractTextureFormat::D16:
+    return DXGI_FORMAT_R16_UNORM;
+  case AbstractTextureFormat::D24_S8:
+    return DXGI_FORMAT_R24_UNORM_X8_TYPELESS;
+  case AbstractTextureFormat::D32F:
+    return DXGI_FORMAT_R32_FLOAT;
+  case AbstractTextureFormat::D32F_S8:
+    return DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS;
+  default:
+    PanicAlert("Unhandled SRV format");
+    return DXGI_FORMAT_UNKNOWN;
+  }
+}
+
+DXGI_FORMAT GetRTVFormatForAbstractFormat(AbstractTextureFormat format, bool integer)
+{
+  switch (format)
+  {
+  case AbstractTextureFormat::RGBA8:
+    return integer ? DXGI_FORMAT_R8G8B8A8_UINT : DXGI_FORMAT_R8G8B8A8_UNORM;
+  case AbstractTextureFormat::BGRA8:
+    return DXGI_FORMAT_B8G8R8A8_UNORM;
+  case AbstractTextureFormat::R16:
+    return integer ? DXGI_FORMAT_R16_UINT : DXGI_FORMAT_R16_UNORM;
+  case AbstractTextureFormat::R32F:
+    return DXGI_FORMAT_R32_FLOAT;
+  default:
+    PanicAlert("Unhandled RTV format");
+    return DXGI_FORMAT_UNKNOWN;
+  }
+}
+DXGI_FORMAT GetDSVFormatForAbstractFormat(AbstractTextureFormat format)
+{
+  switch (format)
+  {
+  case AbstractTextureFormat::D16:
+    return DXGI_FORMAT_D16_UNORM;
+  case AbstractTextureFormat::D24_S8:
+    return DXGI_FORMAT_D24_UNORM_S8_UINT;
+  case AbstractTextureFormat::D32F:
+    return DXGI_FORMAT_D32_FLOAT;
+  case AbstractTextureFormat::D32F_S8:
+    return DXGI_FORMAT_D32_FLOAT_S8X24_UINT;
+  default:
+    PanicAlert("Unhandled DSV format");
+    return DXGI_FORMAT_UNKNOWN;
+  }
+}
+
+AbstractTextureFormat GetAbstractFormatForDXGIFormat(DXGI_FORMAT format)
+{
+  switch (format)
+  {
+  case DXGI_FORMAT_R8G8B8A8_UINT:
+  case DXGI_FORMAT_R8G8B8A8_UNORM:
+  case DXGI_FORMAT_R8G8B8A8_TYPELESS:
+    return AbstractTextureFormat::RGBA8;
+
+  case DXGI_FORMAT_B8G8R8A8_UNORM:
+  case DXGI_FORMAT_B8G8R8A8_TYPELESS:
+    return AbstractTextureFormat::BGRA8;
+
+  case DXGI_FORMAT_R16_UINT:
+  case DXGI_FORMAT_R16_UNORM:
+  case DXGI_FORMAT_R16_TYPELESS:
+    return AbstractTextureFormat::R16;
+
+  case DXGI_FORMAT_R32_FLOAT:
+  case DXGI_FORMAT_R32_TYPELESS:
+    return AbstractTextureFormat::R32F;
+
+  case DXGI_FORMAT_D16_UNORM:
+    return AbstractTextureFormat::D16;
+
+  case DXGI_FORMAT_D24_UNORM_S8_UINT:
+    return AbstractTextureFormat::D24_S8;
+
+  case DXGI_FORMAT_D32_FLOAT:
+    return AbstractTextureFormat::D32F;
+
+  case DXGI_FORMAT_D32_FLOAT_S8X24_UINT:
+    return AbstractTextureFormat::D32F_S8;
+
+  case DXGI_FORMAT_BC1_UNORM:
+    return AbstractTextureFormat::DXT1;
+  case DXGI_FORMAT_BC2_UNORM:
+    return AbstractTextureFormat::DXT3;
+  case DXGI_FORMAT_BC3_UNORM:
+    return AbstractTextureFormat::DXT5;
+  case DXGI_FORMAT_BC7_UNORM:
+    return AbstractTextureFormat::BPTC;
+
+  default:
+    return AbstractTextureFormat::Undefined;
+  }
+}
+
+void SetDebugObjectName(IUnknown* resource, const char* format, ...)
+{
+  if (!g_ActiveConfig.bEnableValidationLayer)
+    return;
+
+  std::va_list ap;
+  va_start(ap, format);
+  std::string name = StringFromFormatV(format, ap);
+  va_end(ap);
+
+  Microsoft::WRL::ComPtr<ID3D11DeviceChild> child11;
+  Microsoft::WRL::ComPtr<ID3D12DeviceChild> child12;
+  if (SUCCEEDED(resource->QueryInterface(IID_PPV_ARGS(&child11))))
+  {
+    child11->SetPrivateData(WKPDID_D3DDebugObjectName, static_cast<UINT>(name.length()),
+                            name.c_str());
+  }
+  else if (SUCCEEDED(resource->QueryInterface(IID_PPV_ARGS(&child12))))
+  {
+    child12->SetPrivateData(WKPDID_D3DDebugObjectName, static_cast<UINT>(name.length()),
+                            name.c_str());
+  }
+}
+
+std::string GetDebugObjectName(IUnknown* resource)
+{
+  if (!g_ActiveConfig.bEnableValidationLayer)
+    return {};
+
+  std::string name;
+  UINT size = 0;
+
+  Microsoft::WRL::ComPtr<ID3D11DeviceChild> child11;
+  Microsoft::WRL::ComPtr<ID3D12DeviceChild> child12;
+  if (SUCCEEDED(resource->QueryInterface(IID_PPV_ARGS(&child11))))
+  {
+    child11->GetPrivateData(WKPDID_D3DDebugObjectName, &size, nullptr);
+    name.resize(size);
+    child11->GetPrivateData(WKPDID_D3DDebugObjectName, &size, name.data());
+  }
+  else if (SUCCEEDED(resource->QueryInterface(IID_PPV_ARGS(&child12))))
+  {
+    child12->GetPrivateData(WKPDID_D3DDebugObjectName, &size, nullptr);
+    name.resize(size);
+    child12->GetPrivateData(WKPDID_D3DDebugObjectName, &size, name.data());
+  }
+
+  return name;
+}
+}  // namespace D3DCommon