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gl_engine: fix gradient color interpretation error

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Fix when gradient position is same as some starting or ending point
of a gradient stop, the output color is blank
This commit is contained in:
RuiwenTang 2024-06-04 18:18:48 +08:00 • committed by Hermet Park
parent eadf66e178
commit 059c452249
1 changed files with 1 additions and 1 deletions
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src/renderer/gl_engine/tvgGlShaderSrc.cpp
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@ -131,7 +131,7 @@ vec4 gradient(float t)
{ \n { \n
float stopi = gradientStop(i); \n float stopi = gradientStop(i); \n
float stopi1 = gradientStop(i + 1); \n float stopi1 = gradientStop(i + 1); \n
if (t > stopi && t <stopi1) \n if (t >= stopi && t <= stopi1) \n
{ \n { \n
col = (uGradientInfo.stopColors[i] * (1. - gradientStep(stopi, stopi1, t))); \n col = (uGradientInfo.stopColors[i] * (1. - gradientStep(stopi, stopi1, t))); \n
col += (uGradientInfo.stopColors[i + 1] * gradientStep(stopi, stopi1, t)); \n col += (uGradientInfo.stopColors[i + 1] * gradientStep(stopi, stopi1, t)); \n