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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright 2011, Blender Foundation.
*/
#pragma once
#include "BLI_listbase.h"
#include "BLI_utildefines.h"
#include "COM_NodeOperation.h"
#include "DNA_scene_types.h"
#include "MEM_guardedalloc.h"
#include "RE_pipeline.h"
/**
* Base class for all renderlayeroperations
*
* \todo: rename to operation.
*/
class RenderLayersProg : public NodeOperation {
protected:
/**
* Reference to the scene object.
*/
Scene *m_scene;
/**
* layerId of the layer where this operation needs to get its data from
*/
short m_layerId;
/**
* viewName of the view to use (unless another view is specified by the node
*/
const char *m_viewName;
/**
* cached instance to the float buffer inside the layer
*/
float *m_inputBuffer;
/**
* Render-pass where this operation needs to get its data from.
*/
std::string m_passName;
int m_elementsize;
/**
* \brief render data used for active rendering
*/
const RenderData *m_rd;
/**
* Determine the output resolution. The resolution is retrieved from the Renderer
*/
void determineResolution(unsigned int resolution[2], unsigned int preferredResolution[2]);
/**
* retrieve the reference to the float buffer of the renderer.
*/
inline float *getInputBuffer()
{
return this->m_inputBuffer;
}
void doInterpolation(float output[4], float x, float y, PixelSampler sampler);
public:
/**
* Constructor
*/
RenderLayersProg(const char *passName, DataType type, int elementsize);
/**
* setter for the scene field. Will be called from
* \see RenderLayerNode to set the actual scene where
* the data will be retrieved from.
*/
void setScene(Scene *scene)
{
this->m_scene = scene;
}
Scene *getScene()
{
return this->m_scene;
}
void setRenderData(const RenderData *rd)
{
this->m_rd = rd;
}
void setLayerId(short layerId)
{
this->m_layerId = layerId;
}
short getLayerId()
{
return this->m_layerId;
}
void setViewName(const char *viewName)
{
this->m_viewName = viewName;
}
const char *getViewName()
{
return this->m_viewName;
}
void initExecution();
void deinitExecution();
void executePixelSampled(float output[4], float x, float y, PixelSampler sampler);
};
class RenderLayersAOOperation : public RenderLayersProg {
public:
RenderLayersAOOperation(const char *passName, DataType type, int elementsize)
: RenderLayersProg(passName, type, elementsize)
{
}
void executePixelSampled(float output[4], float x, float y, PixelSampler sampler);
};
class RenderLayersAlphaProg : public RenderLayersProg {
public:
RenderLayersAlphaProg(const char *passName, DataType type, int elementsize)
: RenderLayersProg(passName, type, elementsize)
{
}
void executePixelSampled(float output[4], float x, float y, PixelSampler sampler);
};
class RenderLayersDepthProg : public RenderLayersProg {
public:
RenderLayersDepthProg(const char *passName, DataType type, int elementsize)
: RenderLayersProg(passName, type, elementsize)
{
}
void executePixelSampled(float output[4], float x, float y, PixelSampler sampler);
};
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