only do pointer value visualization with valid pointer spaces; otherwise it is just a value

src/render/opengl/generated/render_opengl.meta.h

@@ -190,7 +190,6 @@ str8_lit_comp(
 "uniform vec4 rect;\n"
 "uniform vec4 corner_radii_px;\n"
 "uniform vec2 viewport_size;\n"
-"uniform uint blur_count;\n"
 "\n"
 "out vec2 texcoord;\n"
 "out vec2 sdf_sample_pos;\n"

src/render/opengl/render_opengl.mdesk

@@ -214,7 +214,6 @@ void main(void)
 uniform vec4 rect;
 uniform vec4 corner_radii_px;
 uniform vec2 viewport_size;
-uniform uint blur_count;
 
 out vec2 texcoord;
 out vec2 sdf_sample_pos;