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-rw-r--r--tests/current-bugs/generic/param-specialize.slang41
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diff --git a/tests/current-bugs/generic/param-specialize.slang b/tests/current-bugs/generic/param-specialize.slang
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+//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj
+
+/* This test trys to specialize an algorithm through generic parameters.
+
+Using parameters in this way ensures the algorithm in function form
+will have those values known at compile time, and presumably lead to a specialized version.
+
+Does not work because
+
+.slang(11): error 30019: expected an expression of type 'bool', got 'typeof(a)'
+ if (a)
+*/
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name outputBuffer
+RWStructuredBuffer<int> outputBuffer;
+
+enum class Enum
+{
+ A, B
+};
+
+int doThing<a : bool, b : int, c : Enum>()
+{
+ if (a)
+ {
+ return 1;
+ }
+ return 0;
+ // A more complex scenario
+ //return a ? b + b + int(c) : b - int(c);
+}
+
+[numthreads(4, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+ int index = dispatchThreadID.x;
+
+ let v = doThing<true, false, Enum::A>();
+
+ outputBuffer[dispatchThreadID.x] = v;
+} \ No newline at end of file