d92f9c2f8d
We should support constant-expressions involving matrices (GLSL ES2 does, WebGL does). We currently don't. We do properly report out-of- range indexing, but we don't optimize away valid matrix index expressions or allow matrices to be indexed in a constant-expression context. Change-Id: If58aa4c5f15abef421a412957072f3617b4176df Bug: skia:12472 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/469818 Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com> Commit-Queue: John Stiles <johnstiles@google.com>
14 lines
319 B
Plaintext
14 lines
319 B
Plaintext
uniform half4 colorGreen, colorRed;
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const float3x3 values = float3x3(1);
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inline float3 indexMatrix(int index) {
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return values[index];
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}
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half4 main(float2 coords) {
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float3 ok = indexMatrix(0) + indexMatrix(1) + indexMatrix(2);
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float3 undefined = indexMatrix(-1) + indexMatrix(3);
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return colorGreen;
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}
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