diff options
author | Brian <[email protected]> | 2007-09-10 17:02:58 -0600 |
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committer | Brian <[email protected]> | 2007-09-10 17:02:58 -0600 |
commit | 5620d66e362acff99dbc748feec1da1e0f997288 (patch) | |
tree | d62bcf6e7825588f420d58b2fb8aa5a96721df7e /src/mesa/pipe | |
parent | 6275b40063d7d06e0b05767ebca3963ce7e9c34e (diff) |
vertex feedback functions
Diffstat (limited to 'src/mesa/pipe')
-rw-r--r-- | src/mesa/pipe/softpipe/sp_state_feedback.c | 72 |
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 00000000000..02aaf34e75d --- /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; +} |