b01c18625e
$squareMat inverse($squareMat m); $squareHMat inverse($squareHMat m); Change-Id: I1a2b067dd276bb999107712c38d0124811b95e39 Bug: skia:12034 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/412937 Auto-Submit: John Stiles <johnstiles@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
11 lines
647 B
GLSL
11 lines
647 B
GLSL
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out vec4 sk_FragColor;
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uniform vec4 colorGreen;
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uniform vec4 colorRed;
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vec4 main() {
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mat2 inv2x2 = mat2(-2.0, 1.0, 1.5, -0.5);
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mat3 inv3x3 = mat3(-24.0, 18.0, 5.0, 20.0, -15.0, -4.0, -5.0, 4.0, 1.0);
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mat4 inv4x4 = mat4(-2.0, -0.5, 1.0, 0.5, 1.0, 0.5, 0.0, -0.5, -8.0, -1.0, 2.0, 2.0, 3.0, 0.5, -1.0, -0.5);
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return ((mat2(-2.0, 1.0, 1.5, -0.5) == inv2x2 && mat3(-24.0, 18.0, 5.0, 20.0, -15.0, -4.0, -5.0, 4.0, 1.0) == inv3x3) && mat4(-2.0, -0.5, 1.0, 0.5, 1.0, 0.5, 0.0, -0.5, -8.0, -1.0, 2.0, 2.0, 3.0, 0.5, -1.0, -0.5) == inv4x4) && inverse(mat3(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0)) != inv3x3 ? colorGreen : colorRed;
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}
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