plain.h

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/*
Minetest
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2017 numzero, Lobachevskiy Vitaliy <numzer0@yandex.ru>
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser 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.
*/
 
#pragma once
#include "core.h"
#include "pipeline.h"
 
class Draw3D : public RenderStep
{
public:
    virtual void setRenderSource(RenderSource *) override {}
    virtual void setRenderTarget(RenderTarget *target) override { m_target = target; }
 
    virtual void reset(PipelineContext &context) override {}
    virtual void run(PipelineContext &context) override;
 
private:
    RenderTarget *m_target {nullptr};
};
 
class DrawWield : public RenderStep
{
public:
    virtual void setRenderSource(RenderSource *) override {}
    virtual void setRenderTarget(RenderTarget *target) override { m_target = target; }
 
    virtual void reset(PipelineContext &context) override {}
    virtual void run(PipelineContext &context) override;
 
private:
    RenderTarget *m_target {nullptr};
};
 
class DrawHUD : public RenderStep
{
public:
    virtual void setRenderSource(RenderSource *) override {}
    virtual void setRenderTarget(RenderTarget *) override {}
 
    virtual void reset(PipelineContext &context) override {}
    virtual void run(PipelineContext &context) override;
};
 
class MapPostFxStep : public TrivialRenderStep
{
public:
    virtual void setRenderTarget(RenderTarget *) override;
    virtual void run(PipelineContext &context) override;
private:
    RenderTarget *target;
};
 
class RenderShadowMapStep : public TrivialRenderStep
{
public:
    virtual void run(PipelineContext &context) override;
};
 
class UpscaleStep : public RenderStep
{
public:
 
    virtual void setRenderSource(RenderSource *source) override { m_source = source; }
    virtual void setRenderTarget(RenderTarget *target) override { m_target = target; }
    virtual void reset(PipelineContext &context) override {};
    virtual void run(PipelineContext &context) override;
private:
    RenderSource *m_source;
    RenderTarget *m_target;
};
 
std::unique_ptr<RenderStep> create3DStage(Client *client, v2f scale);
RenderStep* addUpscaling(RenderPipeline *pipeline, RenderStep *previousStep, v2f downscale_factor);
 
void populatePlainPipeline(RenderPipeline *pipeline, Client *client);