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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 the D3D9 versions of effect-related
// resource classes.
#ifndef O3D_COMMAND_BUFFER_SERVICE_WIN_D3D9_EFFECT_D3D9_H_
#define O3D_COMMAND_BUFFER_SERVICE_WIN_D3D9_EFFECT_D3D9_H_
#include <vector>
#include "command_buffer/common/cross/gapi_interface.h"
#include "command_buffer/service/win/d3d9/d3d9_utils.h"
#include "command_buffer/service/cross/resource.h"
namespace o3d {
namespace command_buffer {
class GAPID3D9;
class EffectD3D9;
// ps_2_0 limit
static const unsigned int kMaxSamplerUnits = 16;
// D3D version of EffectParam. This class keeps a reference to the D3D effect.
class EffectParamD3D9: public EffectParam {
public:
EffectParamD3D9(effect_param::DataType data_type,
EffectD3D9 *effect,
D3DXHANDLE handle);
virtual ~EffectParamD3D9();
// Sets the data into the D3D effect parameter.
bool SetData(GAPID3D9 *gapi, unsigned int size, const void * data);
// Gets the description of the parameter.
bool GetDesc(unsigned int size, void *data);
// Resets the effect back-pointer. This is called when the effect gets
// destroyed, to invalidate the parameter.
void ResetEffect() { effect_ = NULL; }
static EffectParamD3D9 *Create(EffectD3D9 *effect, D3DXHANDLE handle);
private:
EffectD3D9 *effect_;
D3DXHANDLE handle_;
unsigned int sampler_unit_count_;
scoped_array<unsigned int> sampler_units_;
};
// D3D9 version of Effect.
class EffectD3D9 : public Effect {
public:
EffectD3D9(GAPID3D9 *gapi,
ID3DXEffect *d3d_effect,
ID3DXConstantTable *fs_constant_table,
IDirect3DVertexShader9 *d3d_vertex_shader);
virtual ~EffectD3D9();
// Compiles and creates an effect from source code.
static EffectD3D9 *Create(GAPID3D9 *gapi,
const String &effect_code,
const String &vertex_program_entry,
const String &fragment_program_entry);
// Applies the effect states (vertex shader, pixel shader) to D3D.
bool Begin();
// Resets the effect states (vertex shader, pixel shader) to D3D.
void End();
// Commits parameters to D3D, if they were modified while the effect is
// active.
bool CommitParameters();
// Gets the number of parameters in the effect.
unsigned int GetParamCount();
// Creates an effect parameter with the specified index.
EffectParamD3D9 *CreateParam(unsigned int index);
// Creates an effect parameter of the specified name.
EffectParamD3D9 *CreateParamByName(const char *name);
// Gets the number of stream inputs for the effect.
unsigned int GetStreamCount();
// Gets the stream data with the specified index.
bool GetStreamDesc(unsigned int index, unsigned int size, void *data);
private:
typedef std::vector<EffectParamD3D9 *> ParamList;
typedef std::vector<effect_stream::Desc> StreamList;
// Links a param into this effect.
void LinkParam(EffectParamD3D9 *param);
// Unlinks a param into this effect.
void UnlinkParam(EffectParamD3D9 *param);
// Sets sampler states.
bool SetSamplers();
// Sets streams vector.
bool SetStreams();
GAPID3D9* gapi_;
ID3DXEffect *d3d_effect_;
IDirect3DVertexShader9 *d3d_vertex_shader_;
ID3DXConstantTable *fs_constant_table_;
ParamList params_;
StreamList streams_;
bool sync_parameters_;
ResourceID samplers_[kMaxSamplerUnits];
friend class EffectParamD3D9;
DISALLOW_COPY_AND_ASSIGN(EffectD3D9);
};
} // namespace command_buffer
} // namespace o3d
#endif // O3D_COMMAND_BUFFER_SERVICE_WIN_D3D9_EFFECT_D3D9_H_
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