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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 defines the command-buffer version of the Effect class.
#ifndef O3D_CORE_CROSS_COMMAND_BUFFER_EFFECT_CB_H_
#define O3D_CORE_CROSS_COMMAND_BUFFER_EFFECT_CB_H_
#include <vector>
#include "core/cross/effect.h"
#include "core/cross/command_buffer/renderer_cb.h"
#include "command_buffer/client/cross/effect_helper.h"
namespace o3d {
class ParamCacheCB;
// This class is the command-buffer implementation of the Effect class.
class EffectCB : public Effect {
public:
friend class ParamCacheCB;
typedef command_buffer::EffectHelper EffectHelper;
EffectCB(ServiceLocator *service_locator, RendererCB *renderer);
virtual ~EffectCB();
// Loads the vertex and fragment shader programs from a string containing
// a DirectX FX description.
virtual bool LoadFromFXString(const String& effect);
// Gets the ResourceID of the effect.
command_buffer::ResourceID resource_id() { return resource_id_; }
protected:
// Gets info about the parameters this effect needs.
// Overriden from Effect.
virtual void GetParameterInfo(EffectParameterInfoArray* info_array);
// Gets info about the varying parameters this effects vertex shader needs.
// Parameters:
// info_array: EffectStreamInfoArray to receive info.
virtual void GetStreamInfo(EffectStreamInfoArray* info_array);
private:
void Destroy();
// The command buffer resource ID for the effect.
command_buffer::ResourceID resource_id_;
std::vector<EffectHelper::EffectParamDesc> param_descs_;
std::vector<EffectHelper::EffectStreamDesc> stream_descs_;
// A generation counter to dirty ParamCacheCBs.
unsigned int generation_;
// The renderer that created this effect.
RendererCB *renderer_;
DISALLOW_IMPLICIT_CONSTRUCTORS(EffectCB);
};
} // namespace o3d
#endif // O3D_CORE_CROSS_COMMAND_BUFFER_EFFECT_CB_H_
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