test radial gradient

2 files changed, 10 insertions, 2 deletions

diff --git a/shaders/vkvg_main.frag b/shaders/vkvg_main.frag
index 4a4586f..5a56ed8 100644
--- a/shaders/vkvg_main.frag
+++ b/shaders/vkvg_main.frag
@@ -81,6 +81,13 @@ void main()
 		for ( int i=1; i<uboGrad.count-1; ++i )
 			c = mix(c, uboGrad.colors[i+1], smoothstep( gradientStartPosRotatedX + uboGrad.stops[i].r*d, gradientStartPosRotatedX + uboGrad.stops[i+1].r*d, xLocRotated ) );
 		break;
+	case RADIAL:
+		vec2 pos_ndc = (gl_FragCoord.xy-uboGrad.cp[0].xy) / vec2(uboGrad.cp[2].y);
+		float dist = length(pos_ndc + (uboGrad.cp[2].x / inSrc.x));
+		c = mix (uboGrad.colors[0], uboGrad.colors[1], smoothstep(uboGrad.stops[0].r, uboGrad.stops[1].r, dist));
+		for (int i=2; i < uboGrad.count; i++ )
+			c = mix(c, uboGrad.colors[i], smoothstep(uboGrad.stops[i-1].r, uboGrad.stops[i].r, dist));
+		break;
 	}
 
 	if (inFontUV.z >= 0.0)
diff --git a/shaders/vkvg_main.vert b/shaders/vkvg_main.vert
index 50ac730..4880bc5 100644
--- a/shaders/vkvg_main.vert
+++ b/shaders/vkvg_main.vert
@@ -33,10 +33,10 @@ layout (location = 1) out vec4	outSrc;
 layout (location = 2) out flat int outPatType;
 layout (location = 3) out mat3x2 outMat;
 
-out gl_PerVertex
+/*out gl_PerVertex
 {
 	vec4 gl_Position;
-};
+};*/
 
 layout(push_constant) uniform PushConsts {
 	vec4 source;
@@ -74,4 +74,5 @@ void main()
 	);
 
 	gl_Position = vec4(p * vec2(2) / pc.size - vec2(1), 0.0, 1.0);
+	gl_PointSize = 3;
 }