st/mesa: set default tessellation levels

1 files changed, 62 insertions, 0 deletions

diff --git a/src/mesa/state_tracker/st_atom_tess.c b/src/mesa/state_tracker/st_atom_tess.c
new file mode 100644
index 00000000000..8e6287a900c
--- /dev/null
+++ b/src/mesa/state_tracker/st_atom_tess.c
@@ -0,0 +1,62 @@
+/**************************************************************************
+ * 
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ * 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 THE AUTHORS 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:
+ *   Marek Olšák <[email protected]>
+ */
+
+
+#include "main/macros.h"
+#include "st_context.h"
+#include "pipe/p_context.h"
+#include "st_atom.h"
+
+
+static void
+update_tess(struct st_context *st)
+{
+   const struct gl_context *ctx = st->ctx;
+   struct pipe_context *pipe = st->pipe;
+
+   if (!pipe->set_tess_state)
+      return;
+
+   pipe->set_tess_state(pipe,
+                        ctx->TessCtrlProgram.patch_default_outer_level,
+                        ctx->TessCtrlProgram.patch_default_inner_level);
+}
+
+
+const struct st_tracked_state st_update_tess = {
+   "update_tess",		/* name */
+   {				/* dirty */
+      0,			/* mesa */
+      ST_NEW_TESS_STATE,	/* st */
+   },
+   update_tess                  /* update */
+};