backend/glx: fix corner radius to be more circular

XoDefender · Jul 7, 2024 · de9f98d · de9f98d
1 parent f608cc7
commit de9f98d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/backend/gl/shaders.c b/src/backend/gl/shaders.c
@@ -68,7 +68,7 @@ const char masking_glsl[] = GLSL(330,
 		vec2 maskcoord = texcoord - mask_offset;
 		vec4 mask = texture2D(mask_tex, maskcoord / mask_size);
 		if (mask_corner_radius != 0) {
-			vec2 inner_size = mask_size - vec2(mask_corner_radius) * 2.0f;
+			vec2 inner_size = mask_size - vec2(mask_corner_radius) * 2.0f - 1;
 			float dist = mask_rectangle_sdf(maskcoord - mask_size / 2.0f,
 			    inner_size / 2.0f) - mask_corner_radius;
 			if (dist > 0.0f) {
@@ -123,7 +123,7 @@ const char win_shader_glsl[] = GLSL(330,
 		vec4 rim_color = mix(c, border_color, clamp(border_width, 0.0f, 1.0f));
 
 		vec2 outer_size = vec2(textureSize(tex, 0));
-		vec2 inner_size = outer_size - vec2(corner_radius) * 2.0f;
+		vec2 inner_size = outer_size - vec2(corner_radius) * 2.0f - 1;
 		float rect_distance = rectangle_sdf(texcoord - outer_size / 2.0f,
 		    inner_size / 2.0f) - corner_radius;
 		if (rect_distance > 0.0f) {