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Code Issues Projects Releases Packages Wiki Activity Actions 5

wg_engine: corrected ColorDodge, ColorBurn equation

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issue: https://github.com/thorvg/thorvg/issues/3072
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Hermet Park 2025-01-08 13:42:28 +09:00 • committed by Hermet Park
parent 084c7ff214
commit d2d93792df
1 changed files with 6 additions and 6 deletions
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12
src/renderer/wg_engine/tvgWgShaderSrc.cpp
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@ -514,9 +514,9 @@ fn fs_main_Lighten(in: VertexOutput) -> @location(0) vec4f {
fn fs_main_ColorDodge(in: VertexOutput) -> @location(0) vec4f { fn fs_main_ColorDodge(in: VertexOutput) -> @location(0) vec4f {
let d: FragData = getFragData(in); let d: FragData = getFragData(in);
var Rc: vec3f; var Rc: vec3f;
Rc.r = select(d.Dc.r, (d.Dc.r * 255.0 / (255.0 - d.Sc.r * 255.0))/255.0, (1.0 - d.Sc.r > 0.0)); Rc.r = select(d.Dc.r, d.Dc.r / (1 - d.Sc.r), d.Sc.r < 1);
Rc.g = select(d.Dc.g, (d.Dc.g * 255.0 / (255.0 - d.Sc.g * 255.0))/255.0, (1.0 - d.Sc.g > 0.0)); Rc.g = select(d.Dc.g, d.Dc.g / (1 - d.Sc.g), d.Sc.g < 1);
Rc.b = select(d.Dc.b, (d.Dc.b * 255.0 / (255.0 - d.Sc.b * 255.0))/255.0, (1.0 - d.Sc.b > 0.0)); Rc.b = select(d.Dc.b, d.Dc.b / (1 - d.Sc.b), d.Sc.b < 1);
return postProcess(d, vec4f(Rc, 1.0)); return postProcess(d, vec4f(Rc, 1.0));
} }
@ -524,9 +524,9 @@ fn fs_main_ColorDodge(in: VertexOutput) -> @location(0) vec4f {
fn fs_main_ColorBurn(in: VertexOutput) -> @location(0) vec4f { fn fs_main_ColorBurn(in: VertexOutput) -> @location(0) vec4f {
let d: FragData = getFragData(in); let d: FragData = getFragData(in);
var Rc: vec3f; var Rc: vec3f;
Rc.r = select(1.0 - d.Dc.r, (255.0 - (255.0 - d.Dc.r * 255.0) / (d.Sc.r * 255.0)) / 255.0, (d.Sc.r > 0.0)); Rc.r = select(d.Dc.r, 1 - (1 - d.Dc.r) / d.Sc.r, d.Sc.r > 0);
Rc.g = select(1.0 - d.Dc.g, (255.0 - (255.0 - d.Dc.g * 255.0) / (d.Sc.g * 255.0)) / 255.0, (d.Sc.g > 0.0)); Rc.g = select(d.Dc.g, 1 - (1 - d.Dc.g) / d.Sc.g, d.Sc.g > 0);
Rc.b = select(1.0 - d.Dc.b, (255.0 - (255.0 - d.Dc.b * 255.0) / (d.Sc.b * 255.0)) / 255.0, (d.Sc.b > 0.0)); Rc.b = select(d.Dc.b, 1 - (1 - d.Dc.b) / d.Sc.b, d.Sc.b > 0);
return postProcess(d, vec4f(Rc, 1.0)); return postProcess(d, vec4f(Rc, 1.0));
} }