From 1036d1a9edec83d8840577f388af8599b5e18f5f Mon Sep 17 00:00:00 2001 From: Yong He Date: Thu, 16 Mar 2023 11:06:01 -0700 Subject: Add test case for `makeStruct` transcription. (#2705) * Add test case for `makeStruct` transcription. * Update documentation on `no_diff`. * Update toc --------- Co-authored-by: Yong He --- tests/autodiff/make-struct-mixed-type.slang | 34 ++++++++++++++++++++++ .../make-struct-mixed-type.slang.expected.txt | 5 ++++ 2 files changed, 39 insertions(+) create mode 100644 tests/autodiff/make-struct-mixed-type.slang create mode 100644 tests/autodiff/make-struct-mixed-type.slang.expected.txt (limited to 'tests') diff --git a/tests/autodiff/make-struct-mixed-type.slang b/tests/autodiff/make-struct-mixed-type.slang new file mode 100644 index 000000000..bc966eff7 --- /dev/null +++ b/tests/autodiff/make-struct-mixed-type.slang @@ -0,0 +1,34 @@ +//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type +//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type + +//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer +RWStructuredBuffer outputBuffer; + +struct MixedType : IDifferentiable +{ + no_diff float noDiffField; + float field; +} + +[BackwardDifferentiable] +float f1(MixedType m) +{ + return 2.0 * m.field; +} + +[BackwardDifferentiable] +float f(MixedType m) +{ + MixedType m1 = { m.noDiffField, m.field }; + return f1(m1); +} + +[numthreads(1, 1, 1)] +void computeMain(uint3 dispatchThreadID: SV_DispatchThreadID) +{ + MixedType v = { 0, 2.0 }; + MixedType.Differential dv = { 0.0 }; + var p = diffPair(v, dv); + __bwd_diff(f)(p, 1.0); + outputBuffer[0] = p.d.field; +} \ No newline at end of file diff --git a/tests/autodiff/make-struct-mixed-type.slang.expected.txt b/tests/autodiff/make-struct-mixed-type.slang.expected.txt new file mode 100644 index 000000000..0e6e3be96 --- /dev/null +++ b/tests/autodiff/make-struct-mixed-type.slang.expected.txt @@ -0,0 +1,5 @@ +type: float +2.0 +0.0 +0.0 +0.0 \ No newline at end of file -- cgit v1.2.3