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//TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=CHECK): -vk -emit-spirv-directly -compute
//TEST:SIMPLE(filecheck=SPIRV): -stage compute -entry computeMain -target spirv -fvk-use-c-layout
struct A
{
uint64_t f0;
uint32_t f1;
// Padding of 4 bytes must exist in CPU layout, but not in scalar layout.
};
struct B
{
float3 f;
};
struct C // Total size should be 40 bytes.
{
A a; // 16 bytes, alignment 8
uint32_t test1; // 4 bytes, alignment 4
B b; // 12 bytes, alignment 4
uint32_t test2; // 4 bytes, alignment 4
bool c; // 1 bytes, alignment 1
bool d; // 1 bytes, alignment 1
};
//TEST_INPUT:set cpuBuffer = ubuffer(data=[1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20], stride=4)
StructuredBuffer<C, CDataLayout> cpuBuffer;
//TEST_INPUT:set outputBuffer = out ubuffer(data=[0 0 0 0], stride=4)
RWStructuredBuffer<int> outputBuffer;
[numthreads(1,1,1)]
void computeMain()
{
// The CPU layout should be the same as ScalarDataLayout, except that the
// size of structs is rounded up to their alignment.
// CHECK: 5
// CHECK: 9
// CHECK: F
// CHECK: 13
outputBuffer[0] = cpuBuffer[0].test1;
outputBuffer[1] = cpuBuffer[0].test2;
outputBuffer[2] = cpuBuffer[1].test1;
outputBuffer[3] = cpuBuffer[1].test2;
}
// SPIRV: OpMemberDecorate %A_c 0 Offset 0
// SPIRV: OpMemberDecorate %A_c 1 Offset 8
// SPIRV: OpMemberDecorate %B_c 0 Offset 0
// SPIRV: OpMemberDecorate %C_c 0 Offset 0
// SPIRV: OpMemberDecorate %C_c 1 Offset 16
// SPIRV: OpMemberDecorate %C_c 2 Offset 20
// SPIRV: OpMemberDecorate %C_c 3 Offset 32
// SPIRV: OpMemberDecorate %C_c 4 Offset 36
// SPIRV: OpMemberDecorate %C_c 5 Offset 37
// SPIRV: OpDecorate %_runtimearr_C_c ArrayStride 40
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