511c500ad4
These variables were later being eliminated by the dead-code-elimination pass, so you can't see them directly in the final output, but removing them affects the name mangling off all future symbols, so it causes an enormous ripple effect in the diff. And of course, it's a waste of time and memory to synthesize IRNodes just to destroy them later. If we disable control-flow analysis, we lose the dead-code-elimination pass entirely; this change is also beneficial for emitting better code when optimizations are turned off. Change-Id: I882b3be4f3fd99b77d99b6abe128f26bb9252c89 Bug: skia:11319 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/375776 Commit-Queue: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com> Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
57 lines
2.2 KiB
GLSL
57 lines
2.2 KiB
GLSL
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out vec4 sk_FragColor;
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in vec4 src;
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in vec4 dst;
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float _color_dodge_component(vec2 s, vec2 d) {
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if (d.x == 0.0) {
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return s.x * (1.0 - d.y);
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} else {
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float delta = s.y - s.x;
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if (delta == 0.0) {
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return (s.y * d.y + s.x * (1.0 - d.y)) + d.x * (1.0 - s.y);
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} else {
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float _0_n = d.x * s.y;
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delta = min(d.y, _0_n / (delta + 9.9999999392252903e-09));
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return (delta * s.y + s.x * (1.0 - d.y)) + d.x * (1.0 - s.y);
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}
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}
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}
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float _color_burn_component(vec2 s, vec2 d) {
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if (d.y == d.x) {
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return (s.y * d.y + s.x * (1.0 - d.y)) + d.x * (1.0 - s.y);
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} else if (s.x == 0.0) {
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return d.x * (1.0 - s.y);
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} else {
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float _1_n = (d.y - d.x) * s.y;
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float delta = max(0.0, d.y - _1_n / (s.x + 9.9999999392252903e-09));
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return (delta * s.y + s.x * (1.0 - d.y)) + d.x * (1.0 - s.y);
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}
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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 _2_n = (d.x * d.x) * (s.y - 2.0 * s.x);
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return (_2_n / (d.y + 9.9999999392252903e-09) + (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 _3_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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return _3_n / (DaSqd + 9.9999999392252903e-09);
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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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void main() {
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sk_FragColor = vec4(_color_dodge_component(src.xw, dst.xw), _color_dodge_component(src.yw, dst.yw), _color_dodge_component(src.zw, dst.zw), src.w + (1.0 - src.w) * dst.w);
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sk_FragColor = vec4(_color_burn_component(src.xw, dst.xw), _color_burn_component(src.yw, dst.yw), _color_burn_component(src.zw, dst.zw), src.w + (1.0 - src.w) * dst.w);
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sk_FragColor = 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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