global-init.slang

//TEST(compute):COMPARE_COMPUTE: -shaderobj
//TEST(compute):COMPARE_COMPUTE:-cpu -shaderobj

// Test that a global variable (not a shader parameter)
// with an initializer works.

static int gVar = 16;

int test(int inVal)
{
	return inVal + gVar;
}

//TEST_INPUT:ubuffer(data=[0 1 2 3], stride=4):out,name=outputBuffer
RWStructuredBuffer<int> outputBuffer;

[numthreads(4, 1, 1)]
void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
{
	uint tid = dispatchThreadID.x;
	int inVal = outputBuffer[tid];
	int outVal = test(inVal);
	outputBuffer[tid] = outVal;
}