if (span->primitive == GL_BITMAP && span->array->ChanType != GL_FLOAT) {
convert_color_type(span, GL_FLOAT, 0);
}
- if (span->primitive != GL_POINT || ctx->Point.PointSprite) {
- /* for points, we populated the arrays already */
+ if (span->primitive != GL_POINT ||
+ (span->interpMask & SPAN_RGBA) ||
+ ctx->Point.PointSprite) {
+ /* for single-pixel points, we populated the arrays already */
interpolate_active_attribs(ctx, span, ~0);
}
span->array->ChanType = GL_FLOAT;