542 lines
12 KiB
C++
542 lines
12 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 "D3D10DeviceResources.h"
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#include "../2d/Image.h"
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#include "../base/logs.h"
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#pragma comment(lib, "d3d10_1.lib")
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namespace kiwano
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{
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namespace DX
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{
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HRESULT CreateD3DDevice(IDXGIAdapter *adapter, D3D10_DRIVER_TYPE driver_type, UINT flags, ID3D10Device1 **device)
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{
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HRESULT hr = S_OK;
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static const D3D10_FEATURE_LEVEL1 levels[] =
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{
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D3D10_FEATURE_LEVEL_10_1,
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D3D10_FEATURE_LEVEL_10_0,
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D3D10_FEATURE_LEVEL_9_3,
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D3D10_FEATURE_LEVEL_9_2,
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D3D10_FEATURE_LEVEL_9_1,
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};
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for (UINT level = 0; level < ARRAYSIZE(levels); level++)
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{
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hr = D3D10CreateDevice1(
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adapter,
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driver_type,
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NULL,
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flags,
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levels[level],
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D3D10_1_SDK_VERSION,
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device
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);
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if (SUCCEEDED(hr))
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break;
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}
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return hr;
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}
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#if defined(KGE_DEBUG)
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inline bool SdkLayersAvailable()
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{
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HRESULT hr = CreateD3DDevice(
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NULL,
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D3D10_DRIVER_TYPE_NULL, // There is no need to create a real hardware device.
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D3D10_CREATE_DEVICE_DEBUG, // Check for the SDK layers.
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nullptr // No need to keep the D3D device reference.
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);
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return SUCCEEDED(hr);
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}
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#endif
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} // namespace DX
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struct D3D10DeviceResources
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: public ID3D10DeviceResources
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{
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public:
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HRESULT Present(bool vsync);
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HRESULT ClearRenderTarget(Color& clear_color);
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HRESULT HandleDeviceLost();
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HRESULT SetLogicalSize(Size logical_size);
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HRESULT SetDpi(float dpi);
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void DiscardResources();
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public:
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unsigned long STDMETHODCALLTYPE AddRef();
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unsigned long STDMETHODCALLTYPE Release();
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HRESULT STDMETHODCALLTYPE QueryInterface(
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IID const& riid,
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void** ppvObject
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);
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public:
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D3D10DeviceResources();
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virtual ~D3D10DeviceResources();
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HRESULT CreateDeviceResources();
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HRESULT CreateWindowSizeDependentResources();
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public:
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HWND hwnd_;
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float dpi_;
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Size logical_size_;
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Size output_size_;
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unsigned long ref_count_;
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ComPtr<ID2DDeviceResources> d2d_res_;
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};
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D3D10DeviceResources::D3D10DeviceResources()
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: ref_count_(0)
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, hwnd_(nullptr)
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{
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dpi_ = 96.f; // dpi_ = (float)GetDpiForWindow(hwnd);
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}
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D3D10DeviceResources::~D3D10DeviceResources()
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{
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DiscardResources();
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}
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HRESULT ID3D10DeviceResources::Create(ID3D10DeviceResources** device_resources, ID2DDeviceResources* d2d_device_res, HWND hwnd)
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{
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HRESULT hr = E_FAIL;
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if (device_resources && d2d_device_res)
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{
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D3D10DeviceResources* res = new (std::nothrow) D3D10DeviceResources;
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if (res)
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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->d2d_res_ = d2d_device_res;
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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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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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HRESULT D3D10DeviceResources::Present(bool vsync)
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{
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KGE_ASSERT(dxgi_swap_chain_ != nullptr);
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// The first argument instructs DXGI to block until VSync.
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return dxgi_swap_chain_->Present(vsync ? 1 : 0, 0);
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}
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HRESULT D3D10DeviceResources::ClearRenderTarget(Color& clear_color)
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{
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KGE_ASSERT(device_ != nullptr && rt_view_ != nullptr && ds_view_ != nullptr);
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auto rt_view = rt_view_.Get();
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device_->OMSetRenderTargets(1, &rt_view, ds_view_.Get());
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device_->ClearRenderTargetView(rt_view, reinterpret_cast<float*>(&clear_color));
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return S_OK;
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}
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void D3D10DeviceResources::DiscardResources()
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{
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d2d_res_.Reset();
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device_.Reset();
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rt_view_.Reset();
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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 D3D10DeviceResources::CreateDeviceResources()
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{
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HRESULT hr = S_OK;
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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 = D3D10_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 |= D3D10_CREATE_DEVICE_DEBUG;
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}
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#endif
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ComPtr<ID3D10Device1> device;
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hr = DX::CreateD3DDevice(
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NULL,
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D3D10_DRIVER_TYPE_HARDWARE,
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creation_flags,
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&device
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);
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if (SUCCEEDED(hr))
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{
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device_ = device;
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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 = 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 = d2d_res_->GetFactory()->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 = d2d_res_->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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swap_chain_desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
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ComPtr<IDXGIDevice> dxgi_device;
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if (SUCCEEDED(hr))
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{
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hr = 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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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 D3D10DeviceResources::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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ID3D10RenderTargetView* null_views[] = { nullptr };
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device_->OMSetRenderTargets(ARRAYSIZE(null_views), null_views, nullptr);
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d2d_res_->SetTargetBitmap(nullptr);
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rt_view_ = nullptr;
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ds_view_ = nullptr;
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device_->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<ID3D10Resource> dxgi_back_buffer;
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hr = dxgi_swap_chain_->GetBuffer(
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0,
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IID_PPV_ARGS(&dxgi_back_buffer)
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);
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if (SUCCEEDED(hr))
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{
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D3D10_RENDER_TARGET_VIEW_DESC renderDesc;
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renderDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
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renderDesc.ViewDimension = D3D10_RTV_DIMENSION_TEXTURE2D;
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renderDesc.Texture2D.MipSlice = 0;
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rt_view_ = nullptr;
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hr = device_->CreateRenderTargetView(dxgi_back_buffer.Get(), &renderDesc, &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<ID3D10Texture2D> depth_stencil;
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D3D10_TEXTURE2D_DESC tex_desc;
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tex_desc.ArraySize = 1;
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tex_desc.BindFlags = D3D10_BIND_DEPTH_STENCIL;
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tex_desc.CPUAccessFlags = 0;
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tex_desc.Format = DXGI_FORMAT_D16_UNORM;
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tex_desc.Width = static_cast<UINT>(output_size_.x);
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tex_desc.Height = static_cast<UINT>(output_size_.y);
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tex_desc.MipLevels = 1;
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tex_desc.MiscFlags = 0;
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tex_desc.SampleDesc.Count = 1;
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tex_desc.SampleDesc.Quality = 0;
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tex_desc.Usage = D3D10_USAGE_DEFAULT;
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hr = device_->CreateTexture2D(&tex_desc, NULL, &depth_stencil);
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if (SUCCEEDED(hr))
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{
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D3D10_DEPTH_STENCIL_VIEW_DESC desc;
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desc.Format = DXGI_FORMAT_D16_UNORM;
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desc.ViewDimension = D3D10_DSV_DIMENSION_TEXTURE2D;
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desc.Texture2D.MipSlice = 0;
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ds_view_.Reset();
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hr = device_->CreateDepthStencilView(depth_stencil.Get(), &desc, &ds_view_);
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}
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if (SUCCEEDED(hr))
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{
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ID3D10RenderTargetView* main_view = rt_view_.Get();
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device_->OMSetRenderTargets(1, &main_view, 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 a new viewport based on the new dimensions
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D3D10_VIEWPORT viewport;
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viewport.Width = static_cast<UINT>(output_size_.x);
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viewport.Height = static_cast<UINT>(output_size_.y);
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viewport.TopLeftX = 0;
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viewport.TopLeftY = 0;
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viewport.MinDepth = 0;
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viewport.MaxDepth = 1;
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device_->RSSetViewports(1, &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 = d2d_res_->GetDeviceContext()->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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d2d_res_->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 D3D10DeviceResources::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 D3D10DeviceResources::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 D3D10DeviceResources::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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d2d_res_->GetDeviceContext()->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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STDMETHODIMP_(unsigned long) D3D10DeviceResources::AddRef()
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{
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return InterlockedIncrement(&ref_count_);
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}
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STDMETHODIMP_(unsigned long) D3D10DeviceResources::Release()
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{
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unsigned long newCount = InterlockedDecrement(&ref_count_);
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if (newCount == 0)
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{
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delete this;
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return 0;
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}
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return newCount;
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}
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STDMETHODIMP D3D10DeviceResources::QueryInterface(IID const& riid, void** object)
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{
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if (__uuidof(ID3D10DeviceResources) == riid)
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{
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*object = this;
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}
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else if (__uuidof(ID3DDeviceResourcesBase) == riid)
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{
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*object = this;
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}
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else if (__uuidof(IUnknown) == riid)
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{
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*object = this;
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}
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else
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{
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*object = nullptr;
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return E_FAIL;
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}
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AddRef();
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return S_OK;
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}
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}
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