Various fixes to GFX, nested parameter block test for d3d12. (#2081)

* Various fixes.

* Add nested parameter block test.

* Remove slang-llvm licence info

* Ingore slang-llvm/ directory.

* Fixup.

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

1 files changed, 37 insertions, 0 deletions

diff --git a/tools/gfx-unit-test/nested-parameter-block.slang b/tools/gfx-unit-test/nested-parameter-block.slang
new file mode 100644
index 000000000..f8995f9c9
--- /dev/null
+++ b/tools/gfx-unit-test/nested-parameter-block.slang
@@ -0,0 +1,37 @@
+// parameter-block.slang
+
+struct CB
+{
+    uint4 value;
+}
+
+struct MaterialSystem
+{
+    CB cb;
+    StructuredBuffer<uint4> data;
+}
+
+struct Scene
+{
+    CB sceneCb;
+    StructuredBuffer<uint4> data;
+    ParameterBlock<MaterialSystem> material;
+}
+
+cbuffer PerView
+{
+    uint4 value;
+}
+
+ParameterBlock<Scene> scene;
+
+RWStructuredBuffer<uint4> resultBuffer;
+
+// Main entry-point. Applies the transformation encoded by `transformer`
+// to all elements in `buffer`.
+[shader("compute")]
+[numthreads(4,1,1)]
+void computeMain(uint3 sv_dispatchThreadID : SV_DispatchThreadID)
+{
+    resultBuffer[sv_dispatchThreadID.x] = value.x + scene.sceneCb.value.x + scene.data[0].x + scene.material.cb.value.x + scene.material.data[0].x;
+}