Add gfx interop to allow more direct D3D12 usage scenarios. (#2117)

* Add gfx interop to allow more direct D3D12 usage scenarios.

* Fix compile error in win32.

* gfx: Implement IFence::getNativeHandle() on d3d12.

* More GFX-D3D interop interface.

* Fix cuda.

Co-authored-by: Yong He <yhe@nvidia.com>

1 files changed, 22 insertions, 1 deletions

diff --git a/tools/gfx/renderer-shared.cpp b/tools/gfx/renderer-shared.cpp
index 7ba939530..d1cedaa61 100644
--- a/tools/gfx/renderer-shared.cpp
+++ b/tools/gfx/renderer-shared.cpp
@@ -155,6 +155,13 @@ IResourceView* ResourceViewBase::getInterface(const Guid& guid)
     return nullptr;
 }
 
+Result ResourceViewBase::getNativeHandle(InteropHandle* outHandle)
+{
+    outHandle->api = InteropHandleAPI::Unknown;
+    outHandle->handleValue = 0;
+    return SLANG_E_NOT_IMPLEMENTED;
+}
+
 ISamplerState* SamplerStateBase::getInterface(const Slang::Guid& guid)
 {
     if (guid == GfxGUID::IID_ISlangUnknown || guid == GfxGUID::IID_ISamplerState)
@@ -162,6 +169,13 @@ ISamplerState* SamplerStateBase::getInterface(const Slang::Guid& guid)
     return nullptr;
 }
 
+Result SamplerStateBase::getNativeHandle(InteropHandle* outHandle)
+{
+    outHandle->api = InteropHandleAPI::Unknown;
+    outHandle->handleValue = 0;
+    return SLANG_E_NOT_IMPLEMENTED;
+}
+
 IAccelerationStructure* AccelerationStructureBase::getInterface(const Slang::Guid& guid)
 {
     if (guid == GfxGUID::IID_ISlangUnknown || guid == GfxGUID::IID_IResourceView ||
@@ -264,13 +278,20 @@ IQueryPool* QueryPoolBase::getInterface(const Guid& guid)
     return nullptr;
 }
 
-IPipelineState* gfx::PipelineStateBase::getInterface(const Guid& guid)
+IPipelineState* PipelineStateBase::getInterface(const Guid& guid)
 {
     if (guid == GfxGUID::IID_ISlangUnknown || guid == GfxGUID::IID_IPipelineState)
         return static_cast<IPipelineState*>(this);
     return nullptr;
 }
 
+Result PipelineStateBase::getNativeHandle(InteropHandle* outHandle)
+{
+    outHandle->api = InteropHandleAPI::Unknown;
+    outHandle->handleValue = 0;
+    return SLANG_E_NOT_IMPLEMENTED;
+}
+
 void PipelineStateBase::initializeBase(const PipelineStateDesc& inDesc)
 {
     desc = inDesc;