/* With a little more work, llvmpipe will be able to turn this off and
* do its own x/y clipping.
*
* Some hardware can turn off clipping altogether - in particular any
* hardware with a TNL unit can do its own clipping, even if it is
* relying on the draw module for some other reason.
*/
void draw_set_driver_clipping( struct draw_context *draw,
boolean bypass_clip_xy,
boolean bypass_clip_z )
{
draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );
draw->driver.bypass_clip_xy = bypass_clip_xy;
draw->driver.bypass_clip_z = bypass_clip_z;
update_clip_flags(draw);
}
/**
* Set the draw module's clipping state.
*/
void draw_set_clip_state( struct draw_context *draw,
const struct pipe_clip_state *clip )
{
draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );
assert(clip->nr <= PIPE_MAX_CLIP_PLANES);
memcpy(&draw->plane[6], clip->ucp, clip->nr * sizeof(clip->ucp[0]));
draw->nr_planes = 6 + clip->nr;
draw->depth_clamp = clip->depth_clamp;
update_clip_flags(draw);
}
/**
* Register new primitive rasterization/rendering state.
* This causes the drawing pipeline to be rebuilt.
*/
void draw_set_rasterizer_state( struct draw_context *draw,
const struct pipe_rasterizer_state *raster,
void *rast_handle )
{
if (!draw->suspend_flushing) {
draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );
draw->rasterizer = raster;
draw->rast_handle = rast_handle;
update_clip_flags(draw);
}
}
