/* only clear scissor region */
if (ctx->Visual.DepthBits <= 16) {
const GLushort clearValue = (GLushort) (ctx->Depth.Clear * ctx->Visual.DepthMax);
/* only clear scissor region */
if (ctx->Visual.DepthBits <= 16) {
const GLushort clearValue = (GLushort) (ctx->Depth.Clear * ctx->Visual.DepthMax);