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-rw-r--r--src/gallium/auxiliary/draw/draw_vs.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vs.c b/src/gallium/auxiliary/draw/draw_vs.c
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+++ b/src/gallium/auxiliary/draw/draw_vs.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 "pipe/p_util.h"
+#include "pipe/p_shader_tokens.h"
+#include "draw_private.h"
+#include "draw_context.h"
+#include "draw_vs.h"
+
+
+
+struct draw_vertex_shader *
+draw_create_vertex_shader(struct draw_context *draw,
+ const struct pipe_shader_state *shader)
+{
+ struct draw_vertex_shader *vs;
+
+ vs = draw_create_vs_llvm( draw, shader );
+ if (!vs) {
+ vs = draw_create_vs_sse( draw, shader );
+ if (!vs) {
+ vs = draw_create_vs_exec( draw, shader );
+ }
+ }
+
+ assert(vs);
+ return vs;
+}
+
+
+void
+draw_bind_vertex_shader(struct draw_context *draw,
+ struct draw_vertex_shader *dvs)
+{
+ draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );
+
+ if (dvs)
+ {
+ draw->vertex_shader = dvs;
+ draw->num_vs_outputs = dvs->info.num_outputs;
+ dvs->prepare( dvs, draw );
+ }
+ else {
+ draw->vertex_shader = NULL;
+ draw->num_vs_outputs = 0;
+ }
+}
+
+
+void
+draw_delete_vertex_shader(struct draw_context *draw,
+ struct draw_vertex_shader *dvs)
+{
+ dvs->delete( dvs );
+}