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authorBrian <brian.paul@tungstengraphics.com>2007-09-10 17:02:58 -0600
committerBrian <brian.paul@tungstengraphics.com>2007-09-10 17:02:58 -0600
commit5620d66e362acff99dbc748feec1da1e0f997288 (patch)
treed62bcf6e7825588f420d58b2fb8aa5a96721df7e /src/mesa/pipe
parent6275b40063d7d06e0b05767ebca3963ce7e9c34e (diff)
vertex feedback functions
Diffstat (limited to 'src/mesa/pipe')
-rw-r--r--src/mesa/pipe/softpipe/sp_state_feedback.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/mesa/pipe/softpipe/sp_state_feedback.c b/src/mesa/pipe/softpipe/sp_state_feedback.c
new file mode 100644
index 0000000000..02aaf34e75
--- /dev/null
+++ b/src/mesa/pipe/softpipe/sp_state_feedback.c
@@ -0,0 +1,72 @@
+/**************************************************************************
+ *
+ * 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:
+ * Brian Paul
+ */
+
+
+#include "sp_context.h"
+#include "sp_state.h"
+#include "sp_surface.h"
+
+#include "pipe/p_winsys.h"
+#include "pipe/draw/draw_context.h"
+
+
+void
+softpipe_set_feedback_state(struct pipe_context *pipe,
+ const struct pipe_feedback_state *feedback)
+{
+ struct softpipe_context *softpipe = softpipe_context(pipe);
+
+ softpipe->feedback = *feedback; /* struct copy */
+ /*
+ softpipe->dirty |= SP_NEW_FEEDBACK;
+ */
+
+ draw_set_feedback_state(softpipe->draw, feedback);
+}
+
+
+void
+softpipe_set_feedback_buffer(struct pipe_context *pipe,
+ unsigned index,
+ const struct pipe_feedback_buffer *feedback)
+{
+ struct softpipe_context *softpipe = softpipe_context(pipe);
+
+ assert(index < PIPE_MAX_FEEDBACK_ATTRIBS);
+
+ /* Need to be careful with referencing */
+ pipe->winsys->buffer_reference(pipe->winsys,
+ &softpipe->feedback_buffer[index].buffer,
+ feedback->buffer);
+ softpipe->feedback_buffer[index].size = feedback->size;
+ softpipe->feedback_buffer[index].start_offset = feedback->start_offset;
+}