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/*
* Copyright 2019-2021 Diligent Graphics LLC
* Copyright 2015-2019 Egor Yusov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* In no event and under no legal theory, whether in tort (including negligence),
* contract, or otherwise, unless required by applicable law (such as deliberate
* and grossly negligent acts) or agreed to in writing, shall any Contributor be
* liable for any damages, including any direct, indirect, special, incidental,
* or consequential damages of any character arising as a result of this License or
* out of the use or inability to use the software (including but not limited to damages
* for loss of goodwill, work stoppage, computer failure or malfunction, or any and
* all other commercial damages or losses), even if such Contributor has been advised
* of the possibility of such damages.
*/
#include "UnityAppBase.h"
#include "IUnityInterface.h"
#if D3D11_SUPPORTED
# include "UnityGraphicsD3D11Emulator.h"
# include "DiligentGraphicsAdapterD3D11.h"
#endif
#if D3D12_SUPPORTED
# include "UnityGraphicsD3D12Emulator.h"
# include "DiligentGraphicsAdapterD3D12.h"
#endif
#if GL_SUPPORTED || GLES_SUPPORTED
# include "UnityGraphicsGLCoreES_Emulator.h"
# include "DiligentGraphicsAdapterGL.h"
#endif
#include "UnityAppBase.h"
#include "StringTools.hpp"
#include "Errors.hpp"
using namespace Diligent;
UnityAppBase::UnityAppBase() :
m_Scene(CreateScene())
{
m_AppTitle = m_Scene->GetSceneName();
}
UnityAppBase::~UnityAppBase()
{
m_Scene->OnPluginUnload();
m_Scene.reset();
UnloadPlugin();
m_DiligentGraphics.reset();
if (m_GraphicsEmulator)
m_GraphicsEmulator->Release();
}
void UnityAppBase::ProcessCommandLine(const char *CmdLine)
{
const auto* Key = "-mode ";
const auto* pos = strstr(CmdLine, Key);
if (pos != nullptr)
{
pos += strlen(Key);
if (_stricmp(pos, "D3D11") == 0)
{
m_DeviceType = RENDER_DEVICE_TYPE_D3D11;
}
else if (_stricmp(pos, "D3D12") == 0)
{
m_DeviceType = RENDER_DEVICE_TYPE_D3D12;
}
else if (_stricmp(pos, "GL") == 0)
{
m_DeviceType = RENDER_DEVICE_TYPE_GL;
}
else if (_stricmp(pos, "VK") == 0)
{
m_DeviceType = RENDER_DEVICE_TYPE_VULKAN;
}
else
{
LOG_ERROR_AND_THROW("Unknown device type. Only the following types are supported: D3D11, D3D12, GL, VK");
}
}
else
{
LOG_INFO_MESSAGE("Device type is not specified. Using D3D11 device");
m_DeviceType = RENDER_DEVICE_TYPE_D3D11;
}
switch (m_DeviceType)
{
case RENDER_DEVICE_TYPE_D3D11: m_AppTitle.append(" (D3D11)"); break;
case RENDER_DEVICE_TYPE_D3D12: m_AppTitle.append(" (D3D12)"); break;
case RENDER_DEVICE_TYPE_GL: m_AppTitle.append(" (OpenGL)"); break;
default: UNEXPECTED("Unknown device type");
}
}
void UnityAppBase::InitGraphics(
#if PLATFORM_LINUX
void *display,
#endif
void *NativeWindowHandle,
int WindowWidth,
int WindowHeight
)
{
switch (m_DeviceType)
{
#if D3D11_SUPPORTED
case RENDER_DEVICE_TYPE_D3D11:
{
auto &GraphicsD3D11Emulator = UnityGraphicsD3D11Emulator::GetInstance();
GraphicsD3D11Emulator.CreateD3D11DeviceAndContext();
m_GraphicsEmulator = &GraphicsD3D11Emulator;
auto *pDiligentAdapterD3D11 = new DiligentGraphicsAdapterD3D11(GraphicsD3D11Emulator);
m_DiligentGraphics.reset(pDiligentAdapterD3D11);
if (NativeWindowHandle != nullptr)
{
GraphicsD3D11Emulator.CreateSwapChain(NativeWindowHandle, WindowWidth, WindowHeight);
pDiligentAdapterD3D11->InitProxySwapChain();
}
}
break;
#endif
#if D3D12_SUPPORTED
case RENDER_DEVICE_TYPE_D3D12:
{
auto &GraphicsD3D12Emulator = UnityGraphicsD3D12Emulator::GetInstance();
GraphicsD3D12Emulator.CreateD3D12DeviceAndCommandQueue();
m_GraphicsEmulator = &GraphicsD3D12Emulator;
auto *pDiligentAdapterD3D12 = new DiligentGraphicsAdapterD3D12(GraphicsD3D12Emulator);
m_DiligentGraphics.reset(pDiligentAdapterD3D12);
if (NativeWindowHandle != nullptr)
{
GraphicsD3D12Emulator.CreateSwapChain(NativeWindowHandle, WindowWidth, WindowHeight);
pDiligentAdapterD3D12->InitProxySwapChain();
}
}
break;
#endif
#if GL_SUPPORTED || GLES_SUPPORTED
case RENDER_DEVICE_TYPE_GL:
case RENDER_DEVICE_TYPE_GLES:
{
#if !PLATFORM_MACOS
VERIFY_EXPR(NativeWindowHandle != nullptr);
#endif
auto &GraphicsGLCoreES_Emulator = UnityGraphicsGLCoreES_Emulator::GetInstance();
# if PLATFORM_WIN32 || PLATFORM_LINUX
int major_version = 4;
int minor_version = 4;
# elif PLATFORM_MACOS
int major_version = 4;
int minor_version = 1;
# elif PLATFORM_ANDROID
int major_version = 3;
int minor_version = 1;
# elif PLATFORM_IOS
int major_version = 3;
int minor_version = 0;
# else
# error Unknown platform
# endif
GraphicsGLCoreES_Emulator.InitGLContext(NativeWindowHandle,
#if PLATFORM_LINUX
display,
#endif
major_version, minor_version
);
m_GraphicsEmulator = &GraphicsGLCoreES_Emulator;
m_DiligentGraphics.reset(new DiligentGraphicsAdapterGL(GraphicsGLCoreES_Emulator));
}
break;
#endif
default:
LOG_ERROR_AND_THROW("Unsupported device type");
}
}
void UnityAppBase::InitScene()
{
m_Scene->SetDiligentGraphicsAdapter(m_DiligentGraphics.get());
m_Scene->OnGraphicsInitialized();
#if D3D12_SUPPORTED
if (m_DeviceType == RENDER_DEVICE_TYPE_D3D12)
{
UnityGraphicsD3D12Emulator::GetInstance().SetTransitionHandler(m_Scene->GetStateTransitionHandler());
}
#endif
if (!LoadPlugin())
{
LOG_ERROR_AND_THROW("Failed to load plugin");
}
m_Scene->OnPluginLoad(LoadPluginFunction);
UnityPluginLoad(&m_GraphicsEmulator->GeUnityInterfaces());
RenderEventFunc = GetRenderEventFunc();
unsigned int SCWidth = 0;
unsigned int SCHeight = 0;
m_GraphicsEmulator->GetBackBufferSize(SCWidth, SCHeight);
m_Scene->OnWindowResize(SCWidth, SCHeight);
}
void UnityAppBase::Update(double CurrTime, double ElapsedTime)
{
m_Scene->Update(CurrTime, ElapsedTime);
}
void UnityAppBase::Render()
{
m_GraphicsEmulator->BeginFrame();
m_DiligentGraphics->BeginFrame();
m_Scene->Render(RenderEventFunc);
m_DiligentGraphics->EndFrame();
m_GraphicsEmulator->EndFrame();
}
void UnityAppBase::Present()
{
m_GraphicsEmulator->Present();
}
void UnityAppBase::WindowResize(int width, int height)
{
if (m_GraphicsEmulator)
{
m_DiligentGraphics->PreSwapChainResize();
m_GraphicsEmulator->ResizeSwapChain(width, height);
m_DiligentGraphics->PostSwapChainResize();
unsigned int SCWidth = 0;
unsigned int SCHeight = 0;
m_GraphicsEmulator->GetBackBufferSize(SCWidth, SCHeight);
m_Scene->OnWindowResize(SCWidth, SCHeight);
}
}
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