a9be76de8b
Ideally the inliner would be smart enough to avoid creating a temporary at all just for a swizzle, but a good first step is to create fewer of them. Change-Id: Icd6f86c294237488f7923dc787bb64a5f99bd0ac Bug: skia:10737 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/318213 Reviewed-by: Brian Osman <brianosman@google.com> Commit-Queue: John Stiles <johnstiles@google.com> Auto-Submit: John Stiles <johnstiles@google.com>
44 lines
1.5 KiB
GLSL
44 lines
1.5 KiB
GLSL
#version 400
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uniform vec4 src, dst;
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float _guarded_divide(float n, float d) {
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return n / d;
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}
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float _soft_light_component(vec2 s, vec2 d) {
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if (2.0 * s.x <= s.y) {
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float _1_guarded_divide;
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float _2_n = (d.x * d.x) * (s.y - 2.0 * s.x);
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float _3_d = d.y;
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{
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_1_guarded_divide = _2_n / _3_d;
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}
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return (_1_guarded_divide + (1.0 - d.y) * s.x) + d.x * ((-s.y + 2.0 * s.x) + 1.0);
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} else if (4.0 * d.x <= d.y) {
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float DSqd = d.x * d.x;
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float DCub = DSqd * d.x;
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float DaSqd = d.y * d.y;
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float DaCub = DaSqd * d.y;
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float _4_guarded_divide;
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float _5_n = ((DaSqd * (s.x - d.x * ((3.0 * s.y - 6.0 * s.x) - 1.0)) + ((12.0 * d.y) * DSqd) * (s.y - 2.0 * s.x)) - (16.0 * DCub) * (s.y - 2.0 * s.x)) - DaCub * s.x;
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{
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_4_guarded_divide = _5_n / DaSqd;
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}
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return _4_guarded_divide;
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} else {
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return ((d.x * ((s.y - 2.0 * s.x) + 1.0) + s.x) - sqrt(d.y * d.x) * (s.y - 2.0 * s.x)) - d.y * s.x;
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}
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}
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vec4 blend_soft_light(vec4 src, vec4 dst) {
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return dst.w == 0.0 ? src : vec4(_soft_light_component(src.xw, dst.xw), _soft_light_component(src.yw, dst.yw), _soft_light_component(src.zw, dst.zw), src.w + (1.0 - src.w) * dst.w);
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}
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vec4 main() {
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vec4 _0_blend_soft_light;
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{
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_0_blend_soft_light = dst.w == 0.0 ? src : vec4(_soft_light_component(src.xw, dst.xw), _soft_light_component(src.yw, dst.yw), _soft_light_component(src.zw, dst.zw), src.w + (1.0 - src.w) * dst.w);
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}
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return _0_blend_soft_light;
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}
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