1 files changed, 69 insertions, 0 deletions
diff --git a/tools/gfx/d3d11/d3d11-swap-chain.cpp b/tools/gfx/d3d11/d3d11-swap-chain.cpp
new file mode 100644
index 000000000..177fb89dd
--- /dev/null
+++ b/tools/gfx/d3d11/d3d11-swap-chain.cpp
@@ -0,0 +1,69 @@
+// d3d11-swap-chain.cpp
+#include "d3d11-swap-chain.h"
+
+#include "d3d11-device.h"
+#include "d3d11-texture.h"
+
+namespace gfx
+{
+
+using namespace Slang;
+
+namespace d3d11
+{
+
+Result SwapchainImpl::init(DeviceImpl* renderer, const ISwapchain::Desc& swapchainDesc, WindowHandle window)
+{
+    m_renderer = renderer;
+    m_device = renderer->m_device;
+    m_dxgiFactory = renderer->m_dxgiFactory;
+    return D3DSwapchainBase::init(swapchainDesc, window, DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL);
+}
+
+void SwapchainImpl::createSwapchainBufferImages()
+{
+    m_images.clear();
+    // D3D11 implements automatic back buffer rotation, so the application
+    // always render to buffer 0.
+    ComPtr<ID3D11Resource> d3dResource;
+    m_swapChain->GetBuffer(0, IID_PPV_ARGS(d3dResource.writeRef()));
+    ITextureResource::Desc imageDesc = {};
+    imageDesc.type = IResource::Type::Texture2D;
+    imageDesc.arraySize = 0;
+    imageDesc.numMipLevels = 1;
+    imageDesc.size.width = m_desc.width;
+    imageDesc.size.height = m_desc.height;
+    imageDesc.size.depth = 1;
+    imageDesc.format = m_desc.format;
+    imageDesc.defaultState = ResourceState::Present;
+    imageDesc.allowedStates = ResourceStateSet(
+        ResourceState::Present,
+        ResourceState::CopyDestination,
+        ResourceState::RenderTarget);
+    RefPtr<TextureResourceImpl> image = new TextureResourceImpl(imageDesc);
+    image->m_resource = d3dResource;
+    for (GfxIndex i = 0; i < m_desc.imageCount; i++)
+    {
+        m_images.add(image);
+    }
+}
+
+SLANG_NO_THROW Result SLANG_MCALL SwapchainImpl::resize(GfxCount width, GfxCount height)
+{
+    m_renderer->m_currentFramebuffer = nullptr;
+    m_renderer->m_immediateContext->ClearState();
+    return D3DSwapchainBase::resize(width, height);
+}
+
+SLANG_NO_THROW bool SLANG_MCALL SwapchainImpl::isOccluded()
+{
+    return false;
+}
+
+SLANG_NO_THROW Result SLANG_MCALL SwapchainImpl::setFullScreenMode(bool mode)
+{
+    return SLANG_FAIL;
+}
+
+} // namespace d3d11
+} // namespace gfx