diff options
Diffstat (limited to 'src/mesa/state_tracker/st_atom_point.c')
-rw-r--r-- | src/mesa/state_tracker/st_atom_point.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_atom_point.c b/src/mesa/state_tracker/st_atom_point.c new file mode 100644 index 0000000..7299142 --- /dev/null +++ b/src/mesa/state_tracker/st_atom_point.c @@ -0,0 +1,70 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell <keith@tungstengraphics.com> + * Brian Paul + */ + + +#include "st_context.h" +#include "st_atom.h" +#include "pipe/p_context.h" +#include "pipe/p_defines.h" + + +static void +update_point( struct st_context *st ) +{ + struct pipe_point_state point; + + memset(&point, 0, sizeof(point)); + + point.smooth = st->ctx->Point.SmoothFlag; + point.size = st->ctx->Point.Size; + point.min_size = st->ctx->Point.MinSize; + point.max_size = st->ctx->Point.MaxSize; + point.attenuation[0] = st->ctx->Point.Params[0]; + point.attenuation[1] = st->ctx->Point.Params[1]; + point.attenuation[2] = st->ctx->Point.Params[2]; + + if (memcmp(&point, &st->state.point, sizeof(point)) != 0) { + /* state has changed */ + st->state.point = point; /* struct copy */ + st->pipe->set_point_state(st->pipe, &point); /* set new state */ + } +} + + +const struct st_tracked_state st_update_point = { + .dirty = { + .mesa = (_NEW_POINT), + .st = 0, + }, + .update = update_point +}; |