17 lines
930 B
Plaintext
17 lines
930 B
Plaintext
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uniform half4 colorGreen, colorRed;
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uniform float2x2 testMatrix2x2; // equals (1, 2, 3, 4)
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half4 main(float2 coords) {
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float4 f4 = float4(testMatrix2x2);
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// These matrices are intentionally assembled off-kilter; the vectors shouldn't line up with the
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// natural matrix stride. Metal and SPIR-V will need to reorder the data to make it fit.
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bool ok = float2x2(f4.xyz, 4) == float2x2(1, 2, 3, 4);
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ok = ok && float3x3(f4.xy, f4.zw, f4.xyzw, f4.x) == float3x3(1, 2, 3, 4, 1, 2, 3, 4, 1);
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ok = ok && float4x4(f4.xyz, f4.wxy, f4.zwxy, f4.zw, f4.xyzw) == float4x4(1, 2, 3, 4,
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1, 2, 3, 4,
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1, 2, 3, 4,
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1, 2, 3, 4);
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return ok ? colorGreen : colorRed;
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}
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