7c59ab868d
Change-Id: I06631e7f0db518f4de19a39bf1ed368afbd5d409 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/403076 Commit-Queue: John Stiles <johnstiles@google.com> Commit-Queue: Ethan Nicholas <ethannicholas@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
51 lines
1.4 KiB
GLSL
51 lines
1.4 KiB
GLSL
layout(key) in half one; // always equals 1.0
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layout(key, when=one != 1.0f) in half unused; // never used
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layout(key) float alsoUnused = one + one; // also never used
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half4 main() {
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half4 color = half4(0);
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// Basic if statement. (00 == 00: true --> color=0001)
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if (color.rg == color.ba) color.a = one;
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// Basic if statement with Block. (00 == 01: false)
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if (color.rg == color.ba) {
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color.r = color.a;
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}
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// TODO(skia:11872): Add test for If statement with comma-expression statement instead of Block.
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// Basic if-else statement. (0 == 0: true --> color=1011)
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if (color.r == color.g) color = color.araa; else color = color.rrra;
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// Chained if-else statements.
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if (color.r + color.g + color.b + color.a == one) { // (3 == 1: false)
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color = half4(-1);
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} else if (color.r + color.g + color.b + color.a == 2) { // (3 == 2: false)
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color = half4(-2);
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} else {
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color = color.ggaa; // (color=0011)
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}
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// Nested if-else statements.
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if (color.r == one) { // (0 == 1: false)
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if (color.r == 2) {
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color = color.rrrr;
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} else {
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color = color.gggg;
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}
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} else {
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if (color.b * color.a == one) { // (1*1 == 1: true)
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color = color.rbga; // (color = 0101)
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} else {
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color = color.aaaa;
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}
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}
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@if (one != 1.0) {
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color.r = 1;
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}
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return color;
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}
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