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Diffstat (limited to 'src/mesa/state_tracker/st_atom_point.c')
-rw-r--r--src/mesa/state_tracker/st_atom_point.c70
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
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+++ b/src/mesa/state_tracker/st_atom_point.c
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+/**************************************************************************
+ *
+ * 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
+};