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D3DCommon: Fallback to base CreateSwapChain on failure

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It appears that some older drivers do not support
CreateSwapChainForHwnd, resulting in DXGI_ERROR_INVALID_CALL. For these
cases, fall back to the base CreateSwapChain() from DXGI 1.0.

In theory this should also let us run on Win7 without the platform
update, but in reality we require the newer shader compiler so this
probably won't work regardless. Also any hardware of this vintage is
unlikely to run Dolphin well.
This commit is contained in:
Stenzek 2019-05-12 14:42:16 +10:00
commit 9316e25652
12 changed files with 80 additions and 57 deletions
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8
Source/Core/VideoBackends/D3DCommon/SwapChain.h
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@ -17,7 +17,7 @@ namespace D3DCommon
class SwapChain
{
public:
SwapChain(const WindowSystemInfo& wsi, IDXGIFactory2* dxgi_factory, IUnknown* d3d_device);
SwapChain(const WindowSystemInfo& wsi, IDXGIFactory* dxgi_factory, IUnknown* d3d_device);
virtual ~SwapChain();
// Sufficient buffers for triple buffering.
@ -26,7 +26,7 @@ public:
// Returns true if the stereo mode is quad-buffering.
static bool WantsStereo();
IDXGISwapChain1* GetDXGISwapChain() const { return m_swap_chain.Get(); }
IDXGISwapChain* GetDXGISwapChain() const { return m_swap_chain.Get(); }
AbstractTextureFormat GetFormat() const { return m_texture_format; }
u32 GetWidth() const { return m_width; }
u32 GetHeight() const { return m_height; }
@ -57,8 +57,8 @@ protected:
virtual void DestroySwapChainBuffers() = 0;
WindowSystemInfo m_wsi;
Microsoft::WRL::ComPtr<IDXGIFactory2> m_dxgi_factory;
Microsoft::WRL::ComPtr<IDXGISwapChain1> m_swap_chain;
Microsoft::WRL::ComPtr<IDXGIFactory> m_dxgi_factory;
Microsoft::WRL::ComPtr<IDXGISwapChain> m_swap_chain;
Microsoft::WRL::ComPtr<IUnknown> m_d3d_device;
AbstractTextureFormat m_texture_format = AbstractTextureFormat::RGBA8;