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// scalar-buffer-packing.slang
//TEST(compute, vulkan):COMPARE_COMPUTE_EX(filecheck-buffer=CHECK):-vk -compute
//TEST:SIMPLE(filecheck=SPIRV): -stage compute -entry computeMain -target spirv -emit-spirv-directly -force-glsl-scalar-layout
// Test ability to directly output SPIR-V
//TEST_INPUT:set Uniforms.v0 = 1
//TEST_INPUT:set Uniforms.v1 = { 1.0, 2.0, 3.0}
cbuffer Uniforms
{
bool v0;
float3 v1[3];
}
struct Val
{
bool x;
int3 v1[2];
[mutating]
void set(bool v)
{
x = v;
v1[0].x = 1;
v1[0].y = 2;
v1[0].z = 3;
v1[1].x = 4;
v1[1].y = 5;
v1[1].z = 6;
}
}
//TEST_INPUT:set result = out ubuffer(data=[0 0 0 0 0 0 0 0 0 0 0 0], stride=4)
RWStructuredBuffer<Val> result;
[numthreads(1,1,1)]
void computeMain()
{
// CHECK: 1
// CHECK: 0
// CHECK: 0
// CHECK: 0
// CHECK: 1
// CHECK: 2
// CHECK: 3
// CHECK: 0
// CHECK: 4
// CHECK: 5
// CHECK: 6
result[0].set(v0);
}
// SPIRV: OpEntryPoint GLCompute
// SPIRV-DAG: %[[STRUCTNAME:[A-Za-z0-9_]+]] = OpTypeStruct %int %_Array_natural_vector_int_3_2
// SPIRV-DAG: OpMemberDecorate %[[STRUCTNAME:[A-Za-z0-9_]+]] 1 Offset 4
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