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renderer: fix missing premultiplication for border multisampling

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This commit is contained in:
Vaxry 2023-08-06 20:46:00 +02:00
parent 6c10c38481
commit 6e53c47e68
1 changed files with 3 additions and 2 deletions
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5
src/render/shaders/Border.hpp
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@ -54,6 +54,7 @@ void main() {
highp vec2 pixCoord = vec2(gl_FragCoord); highp vec2 pixCoord = vec2(gl_FragCoord);
highp vec2 originalPixCoord = v_texcoord; highp vec2 originalPixCoord = v_texcoord;
originalPixCoord *= fullSizeUntransformed; originalPixCoord *= fullSizeUntransformed;
float additionalAlpha = 1.0;
vec4 pixColor = vec4(1.0, 1.0, 1.0, 1.0); vec4 pixColor = vec4(1.0, 1.0, 1.0, 1.0);
@ -86,7 +87,7 @@ void main() {
distances /= 4.0; distances /= 4.0;
pixColor[3] *= distances; additionalAlpha *= distances;
} else if (dist > radius || dist < radius - thick) } else if (dist > radius || dist < radius - thick)
discard; discard;
@ -113,6 +114,6 @@ void main() {
pixColor = getColorForCoord(v_texcoord); pixColor = getColorForCoord(v_texcoord);
gl_FragColor = pixColor * alpha; gl_FragColor = pixColor * alpha * additionalAlpha;
} }
)#"; )#";