render 3d to tex

assets/shaders/2d-solid.fragment.glsl

@@ -9,6 +9,9 @@ in float frag_softness;
 in float frag_border_radius;
 in float frag_border_thickness;
 in vec4 frag_border_color;
+in vec2 uv;
+
+uniform sampler2D rect_tex;
 
 float roundedRectSDF(vec2 sample_pos, vec2 rect_center, vec2 rect_half_size, float r) {
   vec2 d2 = (abs(rect_center - sample_pos) - rect_half_size + vec2(r, r));
@@ -52,6 +55,7 @@ void main() {
 
     float sdf_factor = 1 - smoothstep(0, 2*frag_softness, dist);
 
+    vec4 out_color = frag_color * texture(rect_tex, uv);
     pixel_color = frag_border_color * sample * sdf_factor * border_factor
-                + frag_color        * sample * sdf_factor;
+                + out_color        * sample * sdf_factor;
 };