o3de-azslc/tests/Advanced/struct-pad-to-256.azsl

ShaderResourceGroupSemantic slot1
{
    FrequencyId = 1;
};

struct MyStructA
{
    float m_data;
    [[pad_to(16)]]
};

struct MyStructB
{
    int m_data;
    [[pad_to(16)]]
    MyStructA m_a;
    float2 m_b;
    [[pad_to(64)]]
};

struct MyStruct
{
    MyStructA m_a;
    MyStructB m_b;
    float m_color_red;
    [[pad_to(16)]]
    uint m_uint;
    [[pad_to(256)]]
};

ShaderResourceGroup DemoSrg : slot1
{
    MyStruct m_myStruct;
    StructuredBuffer<MyStruct> m_mySB;
};

float4 PSMain() : SV_Target0
{
    // Inside func
    float4 color = float4(0, 0, 0, 0);
    color.r = DemoSrg::m_myStruct.m_color_red;
    color.r += DemoSrg::m_mySB[0].m_color_red;
    return color;
}