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added border gradients

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This commit is contained in:
vaxerski 2022-11-26 17:56:43 +00:00
parent 52c0356900
commit 0948b078e1
13 changed files with 200 additions and 40 deletions
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20
src/render/shaders/Border.hpp
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@ -14,12 +14,28 @@ uniform float radius;
uniform float thick;
uniform int primitiveMultisample;
uniform vec4 gradient[10];
uniform int gradientLength;
uniform float angle;
vec4 getColorForCoord(vec2 normalizedCoord) {
if (gradientLength < 2)
return gradient[0];
float sine = sin(angle);
float progress = (normalizedCoord[1] * sine + normalizedCoord[0] * (1.0 - sine)) * float(gradientLength - 1);
int bottom = int(floor(progress));
int top = bottom + 1;
return gradient[top] * (progress - float(bottom)) + gradient[bottom] * (float(top) - progress);
}
void main() {
highp vec2 pixCoord = vec2(gl_FragCoord);
vec2 originalPixCoord = fullSize * v_texcoord;
vec4 pixColor = v_color;
vec4 pixColor = getColorForCoord(v_texcoord);
bool done = false;
@ -27,7 +43,7 @@ void main() {
pixCoord *= vec2(lessThan(pixCoord, vec2(0.0))) * -2.0 + 1.0;
pixCoord -= fullSize * 0.5 - radius;
if (min(pixCoord.x, pixCoord.y) > 0.0) {
if (min(pixCoord.x, pixCoord.y) > 0.0 && radius > 0.0) {
float dist = length(pixCoord);