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/*
* Copyright 2009, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// This file contains the definition of VertexSource.
#include "core/cross/precompile.h"
#include "core/cross/vertex_source.h"
namespace o3d {
O3D_DEFN_CLASS(VertexSource, ParamObject);
bool VertexSource::BindStream(VertexSource* source,
Stream::Semantic semantic,
int semantic_index) {
if (source) {
ParamVertexBufferStream* source_param = source->GetVertexStreamParam(
semantic, semantic_index);
ParamVertexBufferStream* dest_param = GetVertexStreamParam(
semantic, semantic_index);
if (source_param && dest_param &&
source_param->stream().field().IsA(
dest_param->stream().field().GetClass()) &&
source_param->stream().field().num_components() ==
dest_param->stream().field().num_components()) {
return dest_param->Bind(source_param);
}
}
return false;
}
bool VertexSource::UnbindStream(Stream::Semantic semantic, int semantic_index) {
ParamVertexBufferStream* dest_param = GetVertexStreamParam(
semantic, semantic_index);
if (dest_param && dest_param->input_connection() != NULL) {
dest_param->UnbindInput();
return true;
}
return false;
}
} // namespace o3d
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