444 lines
11 KiB
C++
444 lines
11 KiB
C++
// Copyright (c) 2016-2018 Kiwano - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#include "D3D11DeviceResources.h"
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#if !defined(KGE_USE_DIRECTX10)
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#include "../2d/Image.h"
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#include "../base/logs.h"
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#pragma comment(lib, "d3d11.lib")
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namespace kiwano
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{
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#if defined(_DEBUG)
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namespace DX
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{
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inline bool SdkLayersAvailable()
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{
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HRESULT hr = D3D11CreateDevice(
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nullptr,
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D3D_DRIVER_TYPE_NULL, // There is no need to create a real hardware device.
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0,
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D3D11_CREATE_DEVICE_DEBUG, // Check for the SDK layers.
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nullptr, // Any feature level will do.
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0,
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D3D11_SDK_VERSION,
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nullptr, // No need to keep the D3D device reference.
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nullptr, // No need to know the feature level.
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nullptr // No need to keep the D3D device context reference.
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);
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return SUCCEEDED(hr);
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}
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}
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#endif
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D3D11DeviceResources::D3D11DeviceResources()
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: hwnd_(nullptr)
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, d3d_feature_level_(D3D_FEATURE_LEVEL_9_1)
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{
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dpi_ = 96.f; // dpi_ = (float)GetDpiForWindow(hwnd);
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}
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D3D11DeviceResources::~D3D11DeviceResources()
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{
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DiscardResources();
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}
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HRESULT D3D11DeviceResources::Create(D3D11DeviceResources** device_resources, HWND hwnd)
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{
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HRESULT hr = E_FAIL;
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if (device_resources)
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{
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D3D11DeviceResources* res = new (std::nothrow) D3D11DeviceResources;
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if (res)
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{
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hr = res->CreateDeviceIndependentResources();
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if (SUCCEEDED(hr))
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{
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RECT rc;
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GetClientRect(hwnd, &rc);
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res->hwnd_ = hwnd;
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res->logical_size_.x = float(rc.right - rc.left);
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res->logical_size_.y = float(rc.bottom - rc.top);
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hr = res->CreateDeviceResources();
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}
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if (SUCCEEDED(hr))
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{
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hr = res->CreateWindowSizeDependentResources();
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}
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if (SUCCEEDED(hr))
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{
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res->AddRef();
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DX::SafeRelease(*device_resources);
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(*device_resources) = res;
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}
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else
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{
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delete res;
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res = nullptr;
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}
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}
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}
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return hr;
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}
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void D3D11DeviceResources::DiscardResources()
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{
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d3d_device_.Reset();
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d3d_device_context_.Reset();
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d3d_rt_view_.Reset();
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d3d_ds_view_.Reset();
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dxgi_swap_chain_.Reset();
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dxgi_factory_.Reset();
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hwnd_ = nullptr;
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}
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HRESULT D3D11DeviceResources::CreateDeviceResources()
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{
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HRESULT hr = S_OK;
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static const D3D_FEATURE_LEVEL feature_levels[] =
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{
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D3D_FEATURE_LEVEL_11_1,
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D3D_FEATURE_LEVEL_11_0,
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D3D_FEATURE_LEVEL_10_1,
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D3D_FEATURE_LEVEL_10_0,
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D3D_FEATURE_LEVEL_9_3,
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D3D_FEATURE_LEVEL_9_2,
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D3D_FEATURE_LEVEL_9_1
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};
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ComPtr<ID3D11Device> device;
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ComPtr<ID3D11DeviceContext> context;
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// This flag adds support for surfaces with a different color channel ordering
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// than the API default. It is required for compatibility with Direct2D.
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UINT creation_flags = D3D11_CREATE_DEVICE_BGRA_SUPPORT;
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#if defined(KGE_DEBUG)
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if (DX::SdkLayersAvailable())
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{
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creation_flags |= D3D11_CREATE_DEVICE_DEBUG;
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}
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#endif
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hr = D3D11CreateDevice(
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nullptr, // Specify nullptr to use the default adapter.
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D3D_DRIVER_TYPE_HARDWARE,
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0, // Should be 0 unless the driver is D3D_DRIVER_TYPE_SOFTWARE.
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creation_flags, // Set debug and Direct2D compatibility flags.
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feature_levels, // List of feature levels this app can support.
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ARRAYSIZE(feature_levels), // Size of the list above.
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D3D11_SDK_VERSION,
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&device, // Returns the Direct3D device created.
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&d3d_feature_level_, // Returns feature level of device created.
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&context // Returns the device immediate context.
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);
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if (FAILED(hr))
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{
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// If the initialization fails, fall back to the WARP device.
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// For more information on WARP, see:
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// http://go.microsoft.com/fwlink/?LinkId=286690
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hr = D3D11CreateDevice(
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nullptr,
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D3D_DRIVER_TYPE_WARP, // Create a WARP device instead of a hardware device.
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0,
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creation_flags,
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feature_levels,
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ARRAYSIZE(feature_levels),
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D3D11_SDK_VERSION,
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&device,
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&d3d_feature_level_,
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&context
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);
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}
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if (SUCCEEDED(hr))
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{
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d3d_device_ = device;
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d3d_device_context_ = context;
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ComPtr<IDXGIAdapter> dxgi_adapter;
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ComPtr<IDXGIDevice> dxgi_device;
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ComPtr<IDXGIFactory> dxgi_factory;
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ComPtr<ID2D1Device> d2d_device;
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if (SUCCEEDED(hr))
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{
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hr = d3d_device_->QueryInterface(IID_PPV_ARGS(&dxgi_device));
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}
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if (SUCCEEDED(hr))
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{
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hr = dxgi_device->GetAdapter(&dxgi_adapter);
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}
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if (SUCCEEDED(hr))
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{
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hr = dxgi_adapter->GetParent(IID_PPV_ARGS(&dxgi_factory));
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}
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if (SUCCEEDED(hr))
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{
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dxgi_factory_ = dxgi_factory;
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}
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// Create the Direct2D device object and a corresponding context.
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if (SUCCEEDED(hr))
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{
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hr = GetD2DFactory()->CreateDevice(dxgi_device.Get(), &d2d_device);
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}
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if (SUCCEEDED(hr))
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{
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hr = SetD2DDevice(d2d_device);
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}
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}
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if (SUCCEEDED(hr))
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{
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// Setup swap chain
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DXGI_SWAP_CHAIN_DESC swap_chain_desc = { 0 };
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swap_chain_desc.BufferCount = 2;
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swap_chain_desc.BufferDesc.Width = ::lround(output_size_.x);
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swap_chain_desc.BufferDesc.Height = ::lround(output_size_.y);
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swap_chain_desc.BufferDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
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swap_chain_desc.BufferDesc.RefreshRate.Numerator = 60;
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swap_chain_desc.BufferDesc.RefreshRate.Denominator = 1;
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swap_chain_desc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
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swap_chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
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swap_chain_desc.OutputWindow = hwnd_;
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swap_chain_desc.SampleDesc.Count = 1;
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swap_chain_desc.SampleDesc.Quality = 0;
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swap_chain_desc.Windowed = TRUE;
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#if defined(_WIN32_WINNT_WIN10)
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swap_chain_desc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
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#elif defined(_WIN32_WINNT_WINBLUE)
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swap_chain_desc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
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#else
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swap_chain_desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
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#endif
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ComPtr<IDXGIDevice> dxgi_device;
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if (SUCCEEDED(hr))
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{
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hr = d3d_device_->QueryInterface(&dxgi_device);
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}
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ComPtr<IDXGIAdapter> dxgi_adapter;
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if (SUCCEEDED(hr))
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{
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hr = dxgi_device->GetAdapter(&dxgi_adapter);
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}
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ComPtr<IDXGIFactory> dxgi_factory;
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if (SUCCEEDED(hr))
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{
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hr = dxgi_adapter->GetParent(IID_PPV_ARGS(&dxgi_factory));
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}
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if (SUCCEEDED(hr))
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{
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hr = dxgi_factory->CreateSwapChain(
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d3d_device_.Get(),
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&swap_chain_desc,
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&dxgi_swap_chain_);
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}
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}
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return hr;
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}
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HRESULT D3D11DeviceResources::CreateWindowSizeDependentResources()
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{
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if (!dxgi_swap_chain_)
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return E_UNEXPECTED;
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HRESULT hr = S_OK;
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// Clear the previous window size specific context.
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ID3D11RenderTargetView* null_views[] = { nullptr };
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d3d_device_context_->OMSetRenderTargets(ARRAYSIZE(null_views), null_views, nullptr);
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SetTargetBitmap(nullptr);
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d3d_rt_view_ = nullptr;
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d3d_ds_view_ = nullptr;
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d3d_device_context_->Flush();
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// Calculate the necessary render target size in pixels.
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output_size_.x = DX::ConvertDipsToPixels(logical_size_.x, dpi_);
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output_size_.y = DX::ConvertDipsToPixels(logical_size_.y, dpi_);
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// Prevent zero size DirectX content from being created.
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output_size_.x = std::max(output_size_.x, 1.f);
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output_size_.y = std::max(output_size_.y, 1.f);
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hr = dxgi_swap_chain_->ResizeBuffers(
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2, // Double-buffered swap chain.
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::lround(output_size_.x),
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::lround(output_size_.y),
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DXGI_FORMAT_UNKNOWN,
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0);
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if (SUCCEEDED(hr))
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{
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// Create the render target view and set it on the device
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ComPtr<ID3D11Resource> dxgi_back_buffer;
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hr = dxgi_swap_chain_->GetBuffer(0, IID_PPV_ARGS(&dxgi_back_buffer));
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if (SUCCEEDED(hr))
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{
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d3d_rt_view_ = nullptr;
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hr = d3d_device_->CreateRenderTargetView(dxgi_back_buffer.Get(), nullptr, &d3d_rt_view_);
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}
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}
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if (SUCCEEDED(hr))
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{
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ComPtr<ID3D11Texture2D> depth_stencil;
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CD3D11_TEXTURE2D_DESC tex_desc(
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DXGI_FORMAT_D24_UNORM_S8_UINT,
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static_cast<UINT>(output_size_.x),
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static_cast<UINT>(output_size_.y),
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1, // This depth stencil view has only one texture.
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1, // Use a single mipmap level.
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D3D11_BIND_DEPTH_STENCIL
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);
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hr = d3d_device_->CreateTexture2D(&tex_desc, nullptr, &depth_stencil);
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if (SUCCEEDED(hr))
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{
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CD3D11_DEPTH_STENCIL_VIEW_DESC desc(D3D11_DSV_DIMENSION_TEXTURE2D);
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d3d_ds_view_.Reset();
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hr = d3d_device_->CreateDepthStencilView(depth_stencil.Get(), &desc, &d3d_ds_view_);
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}
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if (SUCCEEDED(hr))
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{
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ID3D11RenderTargetView* main_view = d3d_rt_view_.Get();
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d3d_device_context_->OMSetRenderTargets(1, &main_view, d3d_ds_view_.Get());
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}
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}
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if (SUCCEEDED(hr))
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{
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// Set the 3D rendering viewport to target the entire window.
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CD3D11_VIEWPORT screen_viewport(
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0.0f,
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0.0f,
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output_size_.x,
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output_size_.y);
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d3d_device_context_->RSSetViewports(1, &screen_viewport);
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}
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// Create a Direct2D target bitmap associated with the
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// swap chain back buffer and set it as the current target.
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if (SUCCEEDED(hr))
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{
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ComPtr<IDXGISurface> dxgi_back_buffer;
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hr = dxgi_swap_chain_->GetBuffer(0, IID_PPV_ARGS(&dxgi_back_buffer));
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ComPtr<ID2D1Bitmap1> target;
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if (SUCCEEDED(hr))
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{
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hr = GetD2DDeviceContext()->CreateBitmapFromDxgiSurface(
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dxgi_back_buffer.Get(),
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D2D1::BitmapProperties1(
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D2D1_BITMAP_OPTIONS_TARGET | D2D1_BITMAP_OPTIONS_CANNOT_DRAW,
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D2D1::PixelFormat(DXGI_FORMAT_UNKNOWN, D2D1_ALPHA_MODE_PREMULTIPLIED),
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dpi_,
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dpi_),
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&target);
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}
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if (SUCCEEDED(hr))
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{
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SetTargetBitmap(target);
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}
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}
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return hr;
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}
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HRESULT D3D11DeviceResources::HandleDeviceLost()
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{
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dxgi_swap_chain_ = nullptr;
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HRESULT hr = CreateDeviceResources();
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if (SUCCEEDED(hr))
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{
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hr = CreateWindowSizeDependentResources();
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}
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return hr;
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}
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HRESULT D3D11DeviceResources::SetLogicalSize(Size logical_size)
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{
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if (logical_size_ != logical_size)
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{
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logical_size_ = logical_size;
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return CreateWindowSizeDependentResources();
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}
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return S_OK;
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}
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HRESULT D3D11DeviceResources::SetDpi(float dpi)
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{
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if (dpi != dpi_)
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{
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dpi_ = dpi;
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RECT rc;
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GetClientRect(hwnd_, &rc);
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logical_size_.x = float(rc.right - rc.left);
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logical_size_.y = float(rc.bottom - rc.top);
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GetD2DDeviceContext()->SetDpi(dpi_, dpi_);
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return CreateWindowSizeDependentResources();
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}
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return S_OK;
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}
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}
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#endif // !KGE_USE_DIRECTX10
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