C++ (Cpp) dxgi_rational_to_uint示例

示例#1

static HRESULT STDMETHODCALLTYPE dxgi_factory_CreateSwapChain(IDXGIFactory1 *iface,
        IUnknown *device, DXGI_SWAP_CHAIN_DESC *desc, IDXGISwapChain **swapchain)
{
    struct wined3d_swapchain *wined3d_swapchain;
    struct wined3d_swapchain_desc wined3d_desc;
    IWineDXGIDevice *dxgi_device;
    HRESULT hr;

    FIXME("iface %p, device %p, desc %p, swapchain %p partial stub!\n", iface, device, desc, swapchain);

    hr = IUnknown_QueryInterface(device, &IID_IWineDXGIDevice, (void **)&dxgi_device);
    if (FAILED(hr))
    {
        ERR("This is not the device we're looking for\n");
        return hr;
    }

    if (!desc->OutputWindow)
    {
        FIXME("No output window, should use factory output window\n");
    }

    FIXME("Ignoring SwapEffect and Flags\n");

    wined3d_desc.backbuffer_width = desc->BufferDesc.Width;
    wined3d_desc.backbuffer_height = desc->BufferDesc.Height;
    wined3d_desc.backbuffer_format = wined3dformat_from_dxgi_format(desc->BufferDesc.Format);
    wined3d_desc.backbuffer_count = desc->BufferCount;
    if (desc->SampleDesc.Count > 1)
    {
        wined3d_desc.multisample_type = desc->SampleDesc.Count;
        wined3d_desc.multisample_quality = desc->SampleDesc.Quality;
    }
    else
    {
        wined3d_desc.multisample_type = WINED3D_MULTISAMPLE_NONE;
        wined3d_desc.multisample_quality = 0;
    }
    wined3d_desc.swap_effect = WINED3D_SWAP_EFFECT_DISCARD;
    wined3d_desc.device_window = desc->OutputWindow;
    wined3d_desc.windowed = desc->Windowed;
    wined3d_desc.enable_auto_depth_stencil = FALSE;
    wined3d_desc.auto_depth_stencil_format = 0;
    wined3d_desc.flags = 0; /* WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL? */
    wined3d_desc.refresh_rate = dxgi_rational_to_uint(&desc->BufferDesc.RefreshRate);
    wined3d_desc.swap_interval = WINED3DPRESENT_INTERVAL_DEFAULT;

    hr = IWineDXGIDevice_create_swapchain(dxgi_device, &wined3d_desc, &wined3d_swapchain);
    IWineDXGIDevice_Release(dxgi_device);
    if (FAILED(hr))
    {
        WARN("Failed to create swapchain, hr %#x.\n", hr);
        return hr;
    }

    *swapchain = wined3d_swapchain_get_parent(wined3d_swapchain);

    return S_OK;
}

示例#2

文件： factory.c 项目： elppans/wine-staging-1.9.15_IndexVertexBlending-1.9.11

static HRESULT STDMETHODCALLTYPE dxgi_factory_CreateSwapChain(IDXGIFactory1 *iface,
        IUnknown *device, DXGI_SWAP_CHAIN_DESC *desc, IDXGISwapChain **swapchain)
{
    struct wined3d_swapchain *wined3d_swapchain;
    struct wined3d_swapchain_desc wined3d_desc;
    IWineDXGIDevice *dxgi_device;
    HRESULT hr;
    UINT min_buffer_count;

    FIXME("iface %p, device %p, desc %p, swapchain %p partial stub!\n", iface, device, desc, swapchain);

    switch (desc->SwapEffect)
    {
        case DXGI_SWAP_EFFECT_DISCARD:
        case DXGI_SWAP_EFFECT_SEQUENTIAL:
            min_buffer_count = 1;
            break;

        case DXGI_SWAP_EFFECT_FLIP_DISCARD:
        case DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL:
            min_buffer_count = 2;
            break;

        default:
            WARN("Invalid swap effect %u used, returning DXGI_ERROR_INVALID_CALL.\n", desc->SwapEffect);
            return DXGI_ERROR_INVALID_CALL;
    }

    if (desc->BufferCount < min_buffer_count || desc->BufferCount > 16)
    {
        WARN("BufferCount is %u, returning DXGI_ERROR_INVALID_CALL.\n", desc->BufferCount);
        return DXGI_ERROR_INVALID_CALL;
    }
    if (!desc->OutputWindow)
    {
        FIXME("No output window, should use factory output window\n");
    }

    hr = IUnknown_QueryInterface(device, &IID_IWineDXGIDevice, (void **)&dxgi_device);
    if (FAILED(hr))
    {
        ERR("This is not the device we're looking for\n");
        return hr;
    }

    FIXME("Ignoring SwapEffect and Flags\n");

    wined3d_desc.backbuffer_width = desc->BufferDesc.Width;
    wined3d_desc.backbuffer_height = desc->BufferDesc.Height;
    wined3d_desc.backbuffer_format = wined3dformat_from_dxgi_format(desc->BufferDesc.Format);
    wined3d_desc.backbuffer_count = desc->BufferCount;
    wined3d_sample_desc_from_dxgi(&wined3d_desc.multisample_type,
            &wined3d_desc.multisample_quality, &desc->SampleDesc);
    wined3d_desc.swap_effect = WINED3D_SWAP_EFFECT_DISCARD;
    wined3d_desc.device_window = desc->OutputWindow;
    wined3d_desc.windowed = desc->Windowed;
    wined3d_desc.enable_auto_depth_stencil = FALSE;
    wined3d_desc.auto_depth_stencil_format = 0;
    wined3d_desc.flags = 0; /* WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL? */
    wined3d_desc.refresh_rate = dxgi_rational_to_uint(&desc->BufferDesc.RefreshRate);
    wined3d_desc.swap_interval = WINED3DPRESENT_INTERVAL_DEFAULT;
    wined3d_desc.auto_restore_display_mode = TRUE;

    hr = IWineDXGIDevice_create_swapchain(dxgi_device, &wined3d_desc, FALSE, &wined3d_swapchain);
    IWineDXGIDevice_Release(dxgi_device);
    if (FAILED(hr))
    {
        WARN("Failed to create swapchain, hr %#x.\n", hr);
        return hr;
    }

    wined3d_mutex_lock();
    *swapchain = wined3d_swapchain_get_parent(wined3d_swapchain);
    wined3d_mutex_unlock();

    return S_OK;
}