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/**************************************************************************
*
* Copyright 2010 VMware, 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 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.
*
**************************************************************************/
#include "sp_context.h"
#include "sp_state.h"
#include "sp_texture.h"
#include "util/u_format.h"
#include "util/u_memory.h"
#include "draw/draw_context.h"
#include "pipebuffer/pb_buffer.h"
static struct pipe_stream_output_target *
softpipe_create_so_target(struct pipe_context *pipe,
struct pipe_resource *buffer,
unsigned buffer_offset,
unsigned buffer_size)
{
struct draw_so_target *t;
t = CALLOC_STRUCT(draw_so_target);
t->target.context = pipe;
t->target.reference.count = 1;
pipe_resource_reference(&t->target.buffer, buffer);
t->target.buffer_offset = buffer_offset;
t->target.buffer_size = buffer_size;
return &t->target;
}
static void
softpipe_so_target_destroy(struct pipe_context *pipe,
struct pipe_stream_output_target *target)
{
pipe_resource_reference(&target->buffer, NULL);
FREE(target);
}
static void
softpipe_set_so_targets(struct pipe_context *pipe,
unsigned num_targets,
struct pipe_stream_output_target **targets,
unsigned append_bitmask)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
unsigned i;
for (i = 0; i < num_targets; i++) {
pipe_so_target_reference((struct pipe_stream_output_target **)&softpipe->so_targets[i], targets[i]);
}
for (; i < softpipe->num_so_targets; i++) {
pipe_so_target_reference((struct pipe_stream_output_target **)&softpipe->so_targets[i], NULL);
}
softpipe->num_so_targets = num_targets;
}
void
softpipe_init_streamout_funcs(struct pipe_context *pipe)
{
pipe->create_stream_output_target = softpipe_create_so_target;
pipe->stream_output_target_destroy = softpipe_so_target_destroy;
pipe->set_stream_output_targets = softpipe_set_so_targets;
}
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