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skia2/tests/sksl/shared/SwizzleOpt.sksl

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Migrate swizzle tests to golden SkSL files. This simplifies life when revising the swizzle logic. Change-Id: I7fc63c0cc845c4741c17c82b3078040264b61ba0 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/317379 Commit-Queue: John Stiles <johnstiles@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
2020-09-16 17:40:35 +00:00
void main() {
half v = half(sqrt(1));
sk_FragColor = half4(v).rgba;
sk_FragColor = half4(v).rgb0.abgr;
sk_FragColor = half4(v).rgba.00ra;
sk_FragColor = half4(v).rgba.rrra.00ra.11ab;
sk_FragColor = half4(v).abga.gb11;
sk_FragColor = half4(v).abgr.abgr;
sk_FragColor = half4(half4(v).rrrr.bb, 1, 1);
sk_FragColor = half4(half4(v).ba.grgr);
Add unit test to demonstrate lack of SkSL swizzle optimization. The right side of assignments will collapse redundant swizzles, but the left side does not. Code like this can actually cause the ByteCode- Generator to assert if it is run (it asserts in `swizzle_is_simple` during code generation). Change-Id: I891912fe0b5de2670dfa95f6702a86d5c42bb2ec Reviewed-on: https://skia-review.googlesource.com/c/skia/+/320296 Commit-Queue: John Stiles <johnstiles@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
2020-09-28 18:03:25 +00:00
sk_FragColor.rgba = sk_FragColor;
sk_FragColor.abgr = sk_FragColor;
sk_FragColor.rgba.ra = sk_FragColor.gb;
sk_FragColor.abgr.gba = sk_FragColor.aa1;
Migrate swizzle tests to golden SkSL files. This simplifies life when revising the swizzle logic. Change-Id: I7fc63c0cc845c4741c17c82b3078040264b61ba0 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/317379 Commit-Queue: John Stiles <johnstiles@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
2020-09-16 17:40:35 +00:00
}
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