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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 declaration of the ParamCacheCB class.
#ifndef O3D_CORE_CROSS_COMMAND_BUFFER_PARAM_CACHE_CB_H_
#define O3D_CORE_CROSS_COMMAND_BUFFER_PARAM_CACHE_CB_H_
#include <vector>
#include "core/cross/param_cache.h"
#include "core/cross/command_buffer/effect_cb.h"
namespace o3d {
class ParamHandlerCB;
// This class is the command-buffer implementation of the ParamCache class. It
// keeps a list of Param * -> param ResourceId associations handlers.
class ParamCacheCB : public ParamCache {
public:
ParamCacheCB();
virtual ~ParamCacheCB();
// Updates the cache of params, re-creating the list of handlers.
// Overridden from ParamCache.
virtual void UpdateCache(Effect* effect,
DrawElement* draw_element,
Element* element,
Material* material,
ParamObject* override);
// Runs all the cached handlers.
void RunHandlers(command_buffer::CommandBufferHelper *helper);
protected:
// Validates platform specific information about the effect.
// Overridden from ParamCache.
virtual bool ValidateEffect(Effect* effect);
private:
// Destroys the handlers and clears the list.
void ClearHandlers();
unsigned int last_effect_generation_;
Effect::MatrixLoadOrder last_matrix_load_order_;
std::vector<ParamHandlerCB *> handlers_;
};
} // namespace o3d
#endif // O3D_CORE_CROSS_COMMAND_BUFFER_PARAM_CACHE_CB_H_
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