aeae3a58e3
This CL also updates the blend tests to use sk_FragColor instead of returning a half4, as the Metal backend assumes that a fragment processor's `main` will return void and always synthesizes a `return *_out;` at the end. (context link: https://osscs.corp.google.com/android/platform/superproject/+/master:external/skqp/src/sksl/SkSLMetalCodeGenerator.cpp;l=803;drc=842d31b14159626054e01dd32826563a8f4214bf ) BYPASS_INCLUSIVE_LANGUAGE_REASON=see http://b/168134166 Change-Id: I330a456bf25ee72d3a29c59cd624625378ae80a0 Bug: skia:10649, skia:10757, skia:10758, skia:10759, skia:10760, skia:10761, skia:10762 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/319409 Commit-Queue: John Stiles <johnstiles@google.com> Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
36 lines
1.2 KiB
GLSL
36 lines
1.2 KiB
GLSL
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out vec4 sk_FragColor;
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in vec4 src, dst;
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float _blend_overlay_component(vec2 s, vec2 d) {
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return 2.0 * d.x <= d.y ? (2.0 * s.x) * d.x : s.y * d.y - (2.0 * (d.y - d.x)) * (s.y - s.x);
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}
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vec4 blend_overlay(vec4 src, vec4 dst) {
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float _0_blend_overlay_component;
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vec2 _1_s = src.xw;
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vec2 _2_d = dst.xw;
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{
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_0_blend_overlay_component = 2.0 * _2_d.x <= _2_d.y ? (2.0 * _1_s.x) * _2_d.x : _1_s.y * _2_d.y - (2.0 * (_2_d.y - _2_d.x)) * (_1_s.y - _1_s.x);
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}
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float _3_blend_overlay_component;
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vec2 _4_s = src.yw;
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vec2 _5_d = dst.yw;
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{
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_3_blend_overlay_component = 2.0 * _5_d.x <= _5_d.y ? (2.0 * _4_s.x) * _5_d.x : _4_s.y * _5_d.y - (2.0 * (_5_d.y - _5_d.x)) * (_4_s.y - _4_s.x);
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}
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float _6_blend_overlay_component;
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vec2 _7_s = src.zw;
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vec2 _8_d = dst.zw;
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{
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_6_blend_overlay_component = 2.0 * _8_d.x <= _8_d.y ? (2.0 * _7_s.x) * _8_d.x : _7_s.y * _8_d.y - (2.0 * (_8_d.y - _8_d.x)) * (_7_s.y - _7_s.x);
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}
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vec4 result = vec4(_0_blend_overlay_component, _3_blend_overlay_component, _6_blend_overlay_component, src.w + (1.0 - src.w) * dst.w);
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result.xyz += dst.xyz * (1.0 - src.w) + src.xyz * (1.0 - dst.w);
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return result;
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}
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void main() {
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sk_FragColor = blend_overlay(src, dst);
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}
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