1 files changed, 60 insertions, 0 deletions
diff --git a/demo/DemoAppD3D12/imguiInteropD3D12.cpp b/demo/DemoAppD3D12/imguiInteropD3D12.cpp
new file mode 100644
index 0000000..322e1b5
--- /dev/null
+++ b/demo/DemoAppD3D12/imguiInteropD3D12.cpp
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2014-2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * NVIDIA CORPORATION and its licensors retain all intellectual property
+ * and proprietary rights in and to this software, related documentation
+ * and any modifications thereto.  Any use, reproduction, disclosure or
+ * distribution of this software and related documentation without an express
+ * license agreement from NVIDIA CORPORATION is strictly prohibited.
+ */
+
+ //direct3d headers
+#include <d3d12.h>
+
+// include the Direct3D Library file
+#pragma comment (lib, "d3d12.lib")
+
+#include "../DemoApp/imguiInterop.h"
+
+#include "appD3D12Ctx.h"
+#include "imguiGraphD3D12.h"
+
+ImguiDescriptorReserveHandleD3D12 imguiInteropReserveDescriptors(void* userdata, UINT numDescriptors, UINT64 lastFenceCompleted, UINT64 nextFenceValue)
+{
+	auto appctx = static_cast<AppGraphCtx*>(userdata);
+	auto srcHandle = appctx->m_dynamicHeapCbvSrvUav.reserveDescriptors(numDescriptors, lastFenceCompleted, nextFenceValue);
+	ImguiDescriptorReserveHandleD3D12 handle = {};
+	handle.heap = srcHandle.heap;
+	handle.descriptorSize = srcHandle.descriptorSize;
+	handle.cpuHandle = srcHandle.cpuHandle;
+	handle.gpuHandle = srcHandle.gpuHandle;
+	return handle;
+}
+
+void imguiInteropUpdateDesc(ImguiGraphDesc& desc, AppGraphCtx* appctx)
+{
+	desc.device = appctx->m_device;
+	desc.commandList = appctx->m_commandList;
+	desc.lastFenceCompleted = appctx->m_lastFenceComplete;
+	desc.nextFenceValue = appctx->m_thisFrameFenceID;
+	desc.winW = appctx->m_winW;
+	desc.winH = appctx->m_winH;
+	desc.dynamicHeapCbvSrvUav.userdata = appctx;
+	desc.dynamicHeapCbvSrvUav.reserveDescriptors = imguiInteropReserveDescriptors;
+}
+
+bool imguiInteropGraphInit(imguiGraphInit_t func, const char* fontpath, AppGraphCtx* appctx)
+{
+	ImguiGraphDesc desc;
+	imguiInteropUpdateDesc(desc, appctx);
+
+	return func(fontpath, &desc);
+}
+
+void imguiInteropGraphUpdate(imguiGraphUpdate_t func, AppGraphCtx* appctx)
+{
+	ImguiGraphDesc desc;
+	imguiInteropUpdateDesc(desc, appctx);
+
+	return func(&desc);
+}
+\ No newline at end of file