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authorBrian <brian.paul@tungstengraphics.com>2007-07-11 11:34:19 -0600
committerBrian <brian.paul@tungstengraphics.com>2007-07-11 11:34:19 -0600
commite89bd0fbc56ecfb96f3aff926c5891c45221dd37 (patch)
tree9522b593d58a4117c21b42eab0010812dad7c62a /src/mesa/state_tracker
parent300e97081e7e752c0ff9133149d15935baac7a46 (diff)
Implement polygon stipple state tracking, application.
Diffstat (limited to 'src/mesa/state_tracker')
-rw-r--r--src/mesa/state_tracker/st_atom.c1
-rw-r--r--src/mesa/state_tracker/st_atom.h1
-rw-r--r--src/mesa/state_tracker/st_atom_stipple.c62
3 files changed, 64 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_atom.c b/src/mesa/state_tracker/st_atom.c
index 88c6c776a3..dfebfb4768 100644
--- a/src/mesa/state_tracker/st_atom.c
+++ b/src/mesa/state_tracker/st_atom.c
@@ -48,6 +48,7 @@ static const struct st_tracked_state *atoms[] =
&st_update_clip,
&st_update_fs,
&st_update_setup,
+ &st_update_polygon_stipple,
&st_update_viewport,
&st_update_scissor,
&st_update_blend,
diff --git a/src/mesa/state_tracker/st_atom.h b/src/mesa/state_tracker/st_atom.h
index 7ea3301ea5..a56483ac39 100644
--- a/src/mesa/state_tracker/st_atom.h
+++ b/src/mesa/state_tracker/st_atom.h
@@ -50,6 +50,7 @@ const struct st_tracked_state st_update_clear_color;
const struct st_tracked_state st_update_depth;
const struct st_tracked_state st_update_fs;
const struct st_tracked_state st_update_setup;
+const struct st_tracked_state st_update_polygon_stipple;
const struct st_tracked_state st_update_viewport;
const struct st_tracked_state st_update_constants;
const struct st_tracked_state st_update_scissor;
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 0000000000..dd04d2158c
--- /dev/null
+++ b/src/mesa/state_tracker/st_atom_stipple.c
@@ -0,0 +1,62 @@
+/**************************************************************************
+ *
+ * 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 = {
+ .dirty = {
+ .mesa = (_NEW_POLYGONSTIPPLE),
+ .st = 0,
+ },
+ .update = update_stipple
+};