matrix_single_subscript_store.test

#--- source.hlsl
RWBuffer<int> In : register(u0);
RWBuffer<int> Out : register(u1);

[numthreads(1,1,1)]
void main() {
    int4 vec = int4(In[0], In[1], In[2], In[3]);

    int4x4 A;
    for(int i = 0; i < 4; i++) {
        if(i % 2 == 0)
            A[i].rbag = vec;
        // A[3] is exactly In Buffer
        else if(i % 3 == 0)
            A[i] = vec;
        // A[1] is reverse In Buffer
        else
            A[i] = vec.bagr;
    }
    const uint COLS = 4;
    for(int i = 0; i < 16; i++) {
        uint row = i / COLS;
        uint col = i % COLS;
        Out[i] = A[row][col];
    }
}
//--- pipeline.yaml

---
Shaders:
  - Stage: Compute
    Entry: main
    DispatchSize: [1, 1, 1]
Buffers:
  - Name: In
    Format: Int32
    Data: [1, 2, 3, 4]
  - Name: Out
    Format: Int32
    FillSize: 64
  - Name: ExpectedOut
    Format: Int32
    Data: [ 1, 4, 2, 3, 3, 4, 2, 1, 1, 4, 2, 3, 1, 2, 3, 4 ]
Results:
  - Result: Out
    Rule: BufferExact
    Actual: Out
    Expected: ExpectedOut
DescriptorSets:
  - Resources:
    - Name: In
      Kind: RWBuffer
      DirectXBinding:
        Register: 0
        Space: 0
      VulkanBinding:
        Binding: 0
    - Name: Out
      Kind: RWBuffer
      DirectXBinding:
        Register: 1
        Space: 0
      VulkanBinding:
        Binding: 1
...
#--- end


# RUN: split-file %s %t
# RUN: %dxc_target -T cs_6_0 -Fo %t.o %t/source.hlsl
# RUN: %offloader %t/pipeline.yaml %t.o