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support all shaders rounded and fix RGBX borders

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This commit is contained in:
vaxerski
2022-04-05 17:01:44 +02:00
parent 3385269dca
commit dcb6fc269a
3 changed files with 88 additions and 8 deletions
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82
src/render/Shaders.hpp
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@@ -93,7 +93,48 @@ varying vec2 v_texcoord;
uniform sampler2D tex;
uniform float alpha;
uniform vec2 topLeft;
uniform vec2 bottomRight;
uniform vec2 fullSize;
uniform float radius;
void main() {
vec2 pixCoord = fullSize * v_texcoord;
if (pixCoord[0] < topLeft[0]) {
// we're close left
if (pixCoord[1] < topLeft[1]) {
// top
if (distance(topLeft, pixCoord) > radius) {
gl_FragColor = vec4(0,0,0,0);
return;
}
} else if (pixCoord[1] > bottomRight[1]) {
// bottom
if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord) > radius) {
gl_FragColor = vec4(0,0,0,0);
return;
}
}
}
else if (pixCoord[0] > bottomRight[0]) {
// we're close right
if (pixCoord[1] < topLeft[1]) {
// top
if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord) > radius) {
gl_FragColor = vec4(0,0,0,0);
return;
}
} else if (pixCoord[1] > bottomRight[1]) {
// bottom
if (distance(bottomRight, pixCoord) > radius) {
gl_FragColor = vec4(0,0,0,0);
return;
}
}
}
gl_FragColor = vec4(texture2D(tex, v_texcoord).rgb, 1.0) * alpha;
})#";
@@ -105,6 +146,47 @@ varying vec2 v_texcoord;
uniform samplerExternalOES texture0;
uniform float alpha;
uniform vec2 topLeft;
uniform vec2 bottomRight;
uniform vec2 fullSize;
uniform float radius;
void main() {
vec2 pixCoord = fullSize * v_texcoord;
if (pixCoord[0] < topLeft[0]) {
// we're close left
if (pixCoord[1] < topLeft[1]) {
// top
if (distance(topLeft, pixCoord) > radius) {
gl_FragColor = vec4(0,0,0,0);
return;
}
} else if (pixCoord[1] > bottomRight[1]) {
// bottom
if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord) > radius) {
gl_FragColor = vec4(0,0,0,0);
return;
}
}
}
else if (pixCoord[0] > bottomRight[0]) {
// we're close right
if (pixCoord[1] < topLeft[1]) {
// top
if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord) > radius) {
gl_FragColor = vec4(0,0,0,0);
return;
}
} else if (pixCoord[1] > bottomRight[1]) {
// bottom
if (distance(bottomRight, pixCoord) > radius) {
gl_FragColor = vec4(0,0,0,0);
return;
}
}
}
gl_FragColor = texture2D(texture0, v_texcoord) * alpha;
})#";