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//TEST:COMPARE_COMPUTE(filecheck-buffer=BUF): -vk -output-using-type -emit-spirv-directly
//TEST_INPUT:ubuffer(data=[0 0 0 0 0 0 0 0], stride=4):out,name=outputBuffer
RWStructuredBuffer<int32_t> outputBuffer;
//TEST_INPUT:set input = ubuffer(data=[0xC0A0], stride=4)
RWStructuredBuffer<uint32_t> input;
[shader("compute")]
[numthreads(1, 1, 1)]
void computeMain(
uint3 tid : SV_DispatchThreadID)
{
uint16_t a = uint16_t(input[0] & 0xFFFF);
int16_t b = bit_cast<int16_t>(a);
outputBuffer[0] = bitfieldExtract(a, 14, 2);
outputBuffer[1] = bitfieldExtract(b, 13, 3); // 0b110, with sign extend, it will be 0xFFFFFFFE => -2
// BUF: 3
// BUF: -2
uint8_t c = uint8_t(input[0] & 0xFF);
int8_t d = bit_cast<int8_t>(c);
outputBuffer[2] = bitfieldExtract(c, 5, 3); // b101 = 5
outputBuffer[3] = bitfieldExtract(d, 5, 3); // 0b101, with sign extend, it will be 0xFFFFFFFD => -3
// BUF: 5
// BUF: -3
outputBuffer[4] = bitfieldInsert(a, 0x03U, 8, 2); // 0xC3A0 = 50080 (unsigned)
outputBuffer[5] = bitfieldInsert(b, 0x03, 8, 2); // 0xC3A0 = -15456 (signed)
// BUF: 50080
// BUF: -15456
outputBuffer[6] = bitfieldInsert(c, 0x03U, 3, 2); // 0xB8 = 184 (unsigned)
outputBuffer[7] = bitfieldInsert(d, 0x03, 3, 2); // 0xB8 = -72 (signed)
// BUF: 184
// BUF: -72
}
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