summaryrefslogtreecommitdiffstats
path: root/src/mesa/state_tracker/st_atom_stipple.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/state_tracker/st_atom_stipple.c')
-rw-r--r--src/mesa/state_tracker/st_atom_stipple.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_atom_stipple.c b/src/mesa/state_tracker/st_atom_stipple.c
new file mode 100644
index 00000000000..f395930ab40
--- /dev/null
+++ b/src/mesa/state_tracker/st_atom_stipple.c
@@ -0,0 +1,63 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+ /*
+ * \brief polygon stipple state
+ *
+ * Authors:
+ * Brian Paul
+ */
+
+
+#include "st_context.h"
+#include "st_atom.h"
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+
+
+static void
+update_stipple( struct st_context *st )
+{
+ const GLuint sz = sizeof(st->state.poly_stipple.stipple);
+ assert(sz == sizeof(st->ctx->PolygonStipple));
+
+ if (memcmp(&st->state.poly_stipple.stipple, st->ctx->PolygonStipple, sz)) {
+ /* state has changed */
+ memcpy(st->state.poly_stipple.stipple, st->ctx->PolygonStipple, sz);
+ st->pipe->set_polygon_stipple(st->pipe, &st->state.poly_stipple);
+ }
+}
+
+
+const struct st_tracked_state st_update_polygon_stipple = {
+ "st_update_polygon_stipple", /* name */
+ { /* dirty */
+ (_NEW_POLYGONSTIPPLE), /* mesa */
+ 0, /* st */
+ },
+ update_stipple /* update */
+};