Allow render-test to run inline ray tracing tests. (#1903)

* Update VS projects to 2019.

* Empty commit to trigger build

* Implement gfx inline ray tracing on D3D12.

* Allow render-test to run inline ray tracing tests.

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

2 files changed, 49 insertions, 0 deletions

diff --git a/tests/compute/ray-tracing-inline.slang b/tests/compute/ray-tracing-inline.slang
new file mode 100644
index 000000000..94e0a4f87
--- /dev/null
+++ b/tests/compute/ray-tracing-inline.slang
@@ -0,0 +1,47 @@
+//TEST(compute):COMPARE_COMPUTE:-d3d12 -output-using-type -use-dxil -profile sm_6_5 -render-feature ray-tracing
+//TEST(compute):COMPARE_COMPUTE:-vk -output-using-type -render-feature ray-tracing
+
+//TEST_INPUT: set scene = AccelerationStructure
+uniform RaytracingAccelerationStructure scene;
+
+//TEST_INPUT:set outputBuffer = out ubuffer(data=[0], stride=4)
+RWStructuredBuffer<float> outputBuffer;
+
+bool traceRayClosestHit(
+    float3 rayOrigin,
+    float3 rayDir,
+    out float t)
+{
+    RayDesc ray;
+    ray.Origin = rayOrigin;
+    ray.TMin = 0.01f;
+    ray.Direction = rayDir;
+    ray.TMax = 1e4f;
+    RayQuery<RAY_FLAG_NONE> q;
+    let rayFlags = RAY_FLAG_NONE;
+
+    q.TraceRayInline(
+        scene,
+        rayFlags,
+        0xff,
+        ray);
+
+    q.Proceed();
+    if(q.CommittedStatus() == COMMITTED_TRIANGLE_HIT)
+    {
+        t = q.CommittedRayT();
+        //primitiveIndex = q.CommittedPrimitiveIndex();
+        return true;
+    }
+    return false;
+}
+
+[shader("compute")]
+[numthreads(1,1,1)]
+void computeMain(
+    uint3 threadIdx : SV_DispatchThreadID)
+{
+    float t = 0.0;
+    traceRayClosestHit(float3(0.1, 0.1, 0.0), float3(0,0,1), t);
+    outputBuffer[threadIdx.x] = t;
+}
\ No newline at end of file
diff --git a/tests/compute/ray-tracing-inline.slang.expected.txt b/tests/compute/ray-tracing-inline.slang.expected.txt
new file mode 100644
index 000000000..26a60c923
--- /dev/null
+++ b/tests/compute/ray-tracing-inline.slang.expected.txt
@@ -0,0 +1,2 @@
+type: float
+0.5