void r600_set_streamout_targets(struct pipe_context *ctx,
unsigned num_targets,
struct pipe_stream_output_target **targets,
const unsigned *offsets)
{
struct r600_common_context *rctx = (struct r600_common_context *)ctx;
unsigned i;
unsigned enabled_mask = 0, append_bitmask = 0;
/* Stop streamout. */
if (rctx->streamout.num_targets && rctx->streamout.begin_emitted) {
r600_emit_streamout_end(rctx);
}
/* Set the new targets. */
for (i = 0; i < num_targets; i++) {
pipe_so_target_reference((struct pipe_stream_output_target**)&rctx->streamout.targets[i], targets[i]);
if (!targets[i])
continue;
r600_context_add_resource_size(ctx, targets[i]->buffer);
enabled_mask |= 1 << i;
if (offsets[i] == ((unsigned)-1))
append_bitmask |= 1 << i;
}
for (; i < rctx->streamout.num_targets; i++) {
pipe_so_target_reference((struct pipe_stream_output_target**)&rctx->streamout.targets[i], NULL);
}
rctx->streamout.enabled_mask = enabled_mask;
rctx->streamout.num_targets = num_targets;
rctx->streamout.append_bitmask = append_bitmask;
if (num_targets) {
r600_streamout_buffers_dirty(rctx);
} else {
rctx->set_atom_dirty(rctx, &rctx->streamout.begin_atom, false);
r600_set_streamout_enable(rctx, false);
}
}
void r600_set_streamout_targets(struct pipe_context *ctx,
unsigned num_targets,
struct pipe_stream_output_target **targets,
unsigned append_bitmask)
{
struct r600_common_context *rctx = (struct r600_common_context *)ctx;
unsigned i;
/* Stop streamout. */
if (rctx->streamout.num_targets && rctx->streamout.begin_emitted) {
r600_emit_streamout_end(rctx);
}
/* Set the new targets. */
for (i = 0; i < num_targets; i++) {
pipe_so_target_reference((struct pipe_stream_output_target**)&rctx->streamout.targets[i], targets[i]);
r600_context_add_resource_size(ctx, targets[i]->buffer);
}
for (; i < rctx->streamout.num_targets; i++) {
pipe_so_target_reference((struct pipe_stream_output_target**)&rctx->streamout.targets[i], NULL);
}
rctx->streamout.enabled_mask = (num_targets >= 1 && targets[0] ? 1 : 0) |
(num_targets >= 2 && targets[1] ? 2 : 0) |
(num_targets >= 3 && targets[2] ? 4 : 0) |
(num_targets >= 4 && targets[3] ? 8 : 0);
rctx->streamout.num_targets = num_targets;
rctx->streamout.append_bitmask = append_bitmask;
if (num_targets) {
r600_streamout_buffers_dirty(rctx);
} else {
rctx->streamout.begin_atom.dirty = false;
}
}
