[require]
shader model >= 4.0

[pixel shader]
float4 main(float4 pos : sv_position, float4 res : RESULT) : sv_target
{
    return res;
}

[input layout]
0 r32g32-float POSITION
1 r32-float CASCADE 0
1 r32-float CASCADE 1
1 r32g32-float CASCADE 2

[vb 0]
-1.0 -1.0
-1.0  1.0
 1.0 -1.0
 1.0  1.0

[vb 1]
0.0  1.0  2.0 2.1
0.0  1.0  2.0 2.1
0.0  1.0  2.0 2.1
0.0  1.0  2.0 2.1

[vertex shader todo]
struct apple
{
    float aa;  // Ends up as CASCADE0
    float bb;  // Ends up as CASCADE1
    float2 cc; // Ends up as CASCADE2
};

float4 main(float4 position : position, struct apple ap : CASCADE, out float4 res : RESULT) : sv_position
{
    res = float4(ap.aa, ap.bb, ap.cc);
    return float4(position.xy, 1.0, 1.0);
}

[test]
clear rtv 0 0.0 0.0 0.0 0.0
todo(sm<6) draw triangle strip 4
probe (0, 0) f32(0.0, 1.0, 2.0, 2.1)


[input layout]
0 r32g32-float POSITION
1 r32-float CASCADE 0
1 r32-float CASCADE 1
1 r32-float CASCADE 2
1 r32-float CASCADE 3
1 r32-float CASCADE 4
1 r32g32-float CASCADE 5

[vb 1]
0.0  1.0  2.0  3.0  4.0  5.0 5.1
0.0  1.0  2.0  3.0  4.0  5.0 5.1
0.0  1.0  2.0  3.0  4.0  5.0 5.1
0.0  1.0  2.0  3.0  4.0  5.0 5.1

[vertex shader todo]
struct apple
{
    float aa;    // Ends up as CASCADE0
    float bb[4]; // End up as CASCADE1-4
    float2 cc;   // Ends up as CASCADE5
};

float4 main(float4 position : position, struct apple ap : CASCADE, out float4 res : RESULT) : sv_position
{
    res = float4(ap.aa, ap.bb[2], ap.cc);
    return float4(position.xy, 1.0, 1.0);
}

[test]
clear rtv 0 0.0 0.0 0.0 0.0
todo(sm<6) draw triangle strip 4
probe (0, 0) f32(0.0, 3.0, 5.0, 5.1)


[input layout]
0 r32g32-float POSITION
1 r32g32-float CASCADE 0
1 r32-float CASCADE 1
1 r32g32-float CASCADE 2
1 r32g32-float CASCADE 3

[vb 1]
0.0 0.1  1.0  2.0 2.1  3.0 3.1
0.0 0.1  1.0  2.0 2.1  3.0 3.1
0.0 0.1  1.0  2.0 2.1  3.0 3.1
0.0 0.1  1.0  2.0 2.1  3.0 3.1

% Test nested structs.
[vertex shader todo]
struct apple
{
    float aa;  // Gets CASCADE1
    float2 bb; // Gets CASCADE2
};

struct banana
{
    float2 aa;       // Gets CASCADE0
    struct apple ap; // Gets CASCADE1-2
    float2 cc;       // Gets CASCADE3
};

float4 main(float4 position : position, struct banana ba : CASCADE, out float4 res : RESULT) : sv_position
{
    res = float4(ba.aa.y, ba.ap.bb, ba.cc.y);
    return float4(position.xy, 1.0, 1.0);
}

[test]
clear rtv 0 0.0 0.0 0.0 0.0
todo(sm<6) draw triangle strip 4
probe (0, 0) f32(0.1, 2.0, 2.1, 3.1)


[input layout]
0 r32g32-float POSITION
1 r32-float CASCADE 0
1 r32-float CASCADE 1
1 r32g32-float CASCADE 2
1 r32-float CASCADE 3
1 r32g32-float CASCADE 4
1 r32-float CASCADE 5

[vb 1]
0.0  1.0  2.0 2.1  3.0  4.0 4.1  5.0
0.0  1.0  2.0 2.1  3.0  4.0 4.1  5.0
0.0  1.0  2.0 2.1  3.0  4.0 4.1  5.0
0.0  1.0  2.0 2.1  3.0  4.0 4.1  5.0

% Test nested struct array.
[vertex shader todo]
struct apple
{
    float aa;
    float2 bb;
};

struct banana
{
    float dd;           // Gets CASCADE0
    struct apple ap[2]; // Gets CASCADE1-4
    float ee;           // Gets CASCADE5
};

float4 main(float4 position : position, struct banana ba : CASCADE, out float4 res : RESULT) : sv_position
{
    res = float4(ba.ap[0].aa, ba.ap[1].bb, ba.ee);
    return float4(position.xy, 1.0, 1.0);
}

[test]
clear rtv 0 0.0 0.0 0.0 0.0
todo draw triangle strip 4
probe (0, 0) f32(1.0, 4.0, 4.1, 5.0)


[input layout]
0 r32g32-float POSITION
1 r32-float CASCADE 0
1 r32g32-float CASCADE 1
1 r32-float CASCADE 2
1 r32g32-float CASCADE 3
1 r32-float CASCADE 4
1 r32g32-float CASCADE 5

[vb 1]
0.0  1.0 1.1  2.0  3.0 3.1  4.0  5.0 5.1
0.0  1.0 1.1  2.0  3.0 3.1  4.0  5.0 5.1
0.0  1.0 1.1  2.0  3.0 3.1  4.0  5.0 5.1
0.0  1.0 1.1  2.0  3.0 3.1  4.0  5.0 5.1

% Test array. The semantic indexes of each array element don't overlap.
[vertex shader todo]
struct apple
{
    float aa;
    float2 bb;
};

float4 main(float4 position : position, struct apple ap[3] : CASCADE, out float4 res : RESULT) : sv_position
{
    res = float4(ap[0].aa, ap[1].bb, ap[2].aa);
    return float4(position.xy, 1.0, 1.0);
}

[test]
clear rtv 0 0.0 0.0 0.0 0.0
todo draw triangle strip 4
probe (0, 0) f32(0.0, 3.0, 3.1, 4.0)


[input layout]
0 r32g32-float POSITION
1 r32-float CASCADE 0
1 r32g32-float CASCADE 1

[vb 1]
0.0  1.0 1.1
0.0  1.0 1.1
0.0  1.0 1.1
0.0  1.0 1.1

% Test for overriding.
[vertex shader todo]
struct apple
{
    float aa;
    float2 bb : INPLACE; // Gets overridden by CASCADE1, with a warning.
};

float4 main(float4 position : position, struct apple ap : CASCADE, out float4 res : RESULT) : sv_position
{
    res = float4(ap.aa, ap.bb, 0);
    return float4(position.xy, 1.0, 1.0);
}

[test]
clear rtv 0 0.0 0.0 0.0 0.0
todo(sm<6) draw triangle strip 4
probe (0, 0) f32(0.0, 1.0, 1.1, 0.0)


[input layout]
0 r32g32-float POSITION
1 r32-float CASCADE 0
1 r32-float CASCADE 1
1 r32-float CASCADE 2

[vb 1]
0.0  1.0  2.0
0.0  1.0  2.0
0.0  1.0  2.0
0.0  1.0  2.0

% The outermost semantic overrides all others.
[vertex shader todo]
struct apple
{
    float aa : INPLACE; // Gets CASCADE1
    float bb;           // Gets CASCADE2
};

struct banana
{
    float aa;                   // Gets CASCADE0
    struct apple ap : INPLACE;
};

float4 main(float4 position : position, struct banana ba : CASCADE, out float4 res : RESULT) : sv_position
{
    res = float4(ba.aa, ba.ap.aa, ba.ap.bb, 0);
    return float4(position.xy, 1.0, 1.0);
}

[test]
clear rtv 0 0.0 0.0 0.0 0.0
todo(sm<6) draw triangle strip 4
probe (0, 0) f32(0.0, 1.0, 2.0, 0.0)