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// switch-no-default.slang
// Test active mask synthesis for a `switch` statement
// with no `default` case (such that unhandled values
// branch directly to the `break` target after the
// `switch`).
//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-cpu -compute
//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute
//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -dx12 -profile cs_6_0 -xslang -DHACK
//DISABLE_TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -xslang -DHACK
//TEST(compute):COMPARE_COMPUTE_EX:-cuda -compute -capability cuda_sm_7_0
//TEST_INPUT:ubuffer(data=[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0], stride=4):out,name buffer
RWStructuredBuffer<int> buffer;
#define THREAD_COUNT 4
#define LOC_COUNT 5
#define WRITE(LOC) buffer[tid + (LOC)*THREAD_COUNT] = 0xA0000000 | (tid << 24) | (LOC << 8) | WaveGetActiveMask()
//TEST_INPUT:cbuffer(data=[0 1]):name C
cbuffer C
{
int alwaysFalse;
int alwaysTrue;
}
void test(int tid)
{
switch(tid)
{
case 0:
WRITE(0);
break;
case 1:
WRITE(1);
break;
case 2:
WRITE(2);
break;
// NOTE: no `default:`
}
WRITE(4);
}
[numthreads(THREAD_COUNT, 1, 1)]
void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
{
test(dispatchThreadID.x);
}
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