diff options
Diffstat (limited to 'src/win/native/window_render_target.cpp')
| -rw-r--r-- | src/win/native/window_render_target.cpp | 25 |
1 files changed, 7 insertions, 18 deletions
diff --git a/src/win/native/window_render_target.cpp b/src/win/native/window_render_target.cpp index f15aeb6e..23ad2afa 100644 --- a/src/win/native/window_render_target.cpp +++ b/src/win/native/window_render_target.cpp @@ -15,6 +15,8 @@ WindowRenderTarget::WindowRenderTarget(DirectGraphFactory* factory, HWND hwnd) const auto d3d11_device = factory->GetD3D11Device(); const auto dxgi_factory = factory->GetDxgiFactory(); + d2d1_device_context_ = factory->CreateD2D1DeviceContext(); + // Allocate a descriptor. DXGI_SWAP_CHAIN_DESC1 swap_chain_desc; swap_chain_desc.Width = 0; // use automatic sizing @@ -41,27 +43,12 @@ WindowRenderTarget::WindowRenderTarget(DirectGraphFactory* factory, HWND hwnd) } void WindowRenderTarget::ResizeBuffer(const int width, const int height) { - const auto factory = factory_; - const auto d2d1_device_context = factory->GetD2D1DeviceContext(); - - Microsoft::WRL::ComPtr<ID2D1Image> old_target; - d2d1_device_context->GetTarget(&old_target); - const auto target_this = old_target == this->target_bitmap_; - if (target_this) d2d1_device_context->SetTarget(nullptr); - - old_target = nullptr; + // In order to resize buffer, we need to untarget the buffer first. + d2d1_device_context_->SetTarget(nullptr); target_bitmap_ = nullptr; - ThrowIfFailed(dxgi_swap_chain_->ResizeBuffers(0, width, height, DXGI_FORMAT_UNKNOWN, 0)); - CreateTargetBitmap(); - - if (target_this) d2d1_device_context->SetTarget(target_bitmap_.Get()); -} - -void WindowRenderTarget::SetAsTarget() { - factory_->GetD2D1DeviceContext()->SetTarget(target_bitmap_.Get()); } void WindowRenderTarget::Present() { @@ -85,7 +72,9 @@ void WindowRenderTarget::CreateTargetBitmap() { // Get a D2D surface from the DXGI back buffer to use as the D2D render // target. - ThrowIfFailed(factory_->GetD2D1DeviceContext()->CreateBitmapFromDxgiSurface( + ThrowIfFailed(d2d1_device_context_->CreateBitmapFromDxgiSurface( dxgi_back_buffer.Get(), &bitmap_properties, &target_bitmap_)); + + d2d1_device_context_->SetTarget(target_bitmap_.Get()); } } // namespace cru::platform::native::win |