gfx: Add more fixed function states and instancing draw calls. (#2023)

* gfx: Add more fixed function states and instancing draw calls.

* Fix clang error.

* Fix clang.

* Fixes.

* Add `AccelerationStructureCurrentSize` enum.

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

1 files changed, 28 insertions, 0 deletions

diff --git a/tools/gfx/immediate-renderer-base.cpp b/tools/gfx/immediate-renderer-base.cpp
index b4763a881..360370aa0 100644
--- a/tools/gfx/immediate-renderer-base.cpp
+++ b/tools/gfx/immediate-renderer-base.cpp
@@ -194,6 +194,34 @@ public:
             SLANG_UNUSED(samplePositions);
             return SLANG_E_NOT_AVAILABLE;
         }
+
+        virtual SLANG_NO_THROW void SLANG_MCALL drawInstanced(
+            UInt vertexCount,
+            UInt instanceCount,
+            UInt startVertex,
+            UInt startInstanceLocation) override
+        {
+            SLANG_UNUSED(vertexCount);
+            SLANG_UNUSED(instanceCount);
+            SLANG_UNUSED(startVertex);
+            SLANG_UNUSED(startInstanceLocation);
+            SLANG_UNIMPLEMENTED_X("drawInstanced");
+        }
+
+        virtual SLANG_NO_THROW void SLANG_MCALL drawIndexedInstanced(
+            uint32_t indexCount,
+            uint32_t instanceCount,
+            uint32_t startIndexLocation,
+            int32_t baseVertexLocation,
+            uint32_t startInstanceLocation) override
+        {
+            SLANG_UNUSED(indexCount);
+            SLANG_UNUSED(instanceCount);
+            SLANG_UNUSED(startIndexLocation);
+            SLANG_UNUSED(baseVertexLocation);
+            SLANG_UNUSED(startInstanceLocation);
+            SLANG_UNIMPLEMENTED_X("drawIndexedInstanced");
+        }
     };
 
     RenderCommandEncoderImpl m_renderCommandEncoder;