1 files changed, 93 insertions, 0 deletions
diff --git a/tools/gfx/debug-layer/debug-swap-chain.cpp b/tools/gfx/debug-layer/debug-swap-chain.cpp
new file mode 100644
index 000000000..3c8058b5c
--- /dev/null
+++ b/tools/gfx/debug-layer/debug-swap-chain.cpp
@@ -0,0 +1,93 @@
+// debug-swap-chain.cpp
+#include "debug-swap-chain.h"
+
+#include "debug-command-queue.h"
+#include "debug-texture.h"
+
+#include "debug-helper-functions.h"
+
+namespace gfx
+{
+using namespace Slang;
+
+namespace debug
+{
+
+const ISwapchain::Desc& DebugSwapchain::getDesc()
+{
+    SLANG_GFX_API_FUNC;
+    desc = baseObject->getDesc();
+    desc.queue = queue.Ptr();
+    return desc;
+}
+
+Result DebugSwapchain::getImage(GfxIndex index, ITextureResource** outResource)
+{
+    SLANG_GFX_API_FUNC;
+    maybeRebuildImageList();
+    if (index > (GfxCount)m_images.getCount())
+    {
+        GFX_DIAGNOSE_ERROR_FORMAT(
+            "`index`(%d) must not exceed total number of images (%d) in the swapchain.",
+            index,
+            (uint32_t)m_images.getCount());
+    }
+    returnComPtr(outResource, m_images[index]);
+    return SLANG_OK;
+}
+
+Result DebugSwapchain::present()
+{
+    SLANG_GFX_API_FUNC;
+    return baseObject->present();
+}
+
+int DebugSwapchain::acquireNextImage()
+{
+    SLANG_GFX_API_FUNC;
+    return baseObject->acquireNextImage();
+}
+
+Result DebugSwapchain::resize(GfxCount width, GfxCount height)
+{
+    SLANG_GFX_API_FUNC;
+    for (auto& image : m_images)
+    {
+        if (image->debugGetReferenceCount() != 1)
+        {
+            GFX_DIAGNOSE_ERROR("all swapchain images must be released before calling resize().");
+            return SLANG_FAIL;
+        }
+    }
+    m_images.clearAndDeallocate();
+    return baseObject->resize(width, height);
+}
+
+bool DebugSwapchain::isOccluded()
+{
+    SLANG_GFX_API_FUNC;
+    return baseObject->isOccluded();
+}
+
+Result DebugSwapchain::setFullScreenMode(bool mode)
+{
+    SLANG_GFX_API_FUNC;
+    return baseObject->setFullScreenMode(mode);
+}
+
+void DebugSwapchain::maybeRebuildImageList()
+{
+    SLANG_GFX_API_FUNC;
+    if (m_images.getCount() != 0)
+        return;
+    m_images.clearAndDeallocate();
+    for (GfxIndex i = 0; i < baseObject->getDesc().imageCount; i++)
+    {
+        RefPtr<DebugTextureResource> image = new DebugTextureResource();
+        baseObject->getImage(i, image->baseObject.writeRef());
+        m_images.add(image);
+    }
+}
+
+} // namespace debug
+} // namespace gfx