107 lines
3.9 KiB
C++
107 lines
3.9 KiB
C++
// SuperTuxKart - a fun racing game with go-kart
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// Copyright (C) 2011-2015 the SuperTuxKart-Team
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 3
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#ifndef HEADER_POST_PROCESSING_HPP
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#define HEADER_POST_PROCESSING_HPP
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#include "graphics/gl_headers.hpp"
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#include <S3DVertex.h>
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#include <matrix4.h>
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#include <vector>
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class FrameBuffer;
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class RTT;
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class STKTexture;
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namespace irr
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{
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namespace video { class IVideoDriver; }
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namespace scene { class ICameraSceneNode; }
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}
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using namespace irr;
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/** \brief Handles post processing, eg motion blur
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* \ingroup graphics
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*/
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class PostProcessing
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{
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private:
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/** Boost time, how long the boost should be displayed. This also
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* affects the strength of the effect: longer boost time will
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* have a stronger effect. */
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std::vector<float> m_boost_time;
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STKTexture* m_areamap;
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public:
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PostProcessing();
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virtual ~PostProcessing() {}
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void reset();
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/** Those should be called around the part where we render the scene to be
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* post-processed */
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void begin() {}
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void update(float dt);
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void renderBloom(GLuint in);
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void renderSSAO(const FrameBuffer& linear_depth_framebuffer,
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const FrameBuffer& ssao_framebuffer,
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GLuint depth_stencil_texture);
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/** Blur the in texture */
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void renderGaussian3Blur(const FrameBuffer &in_fbo, const FrameBuffer &auxiliary) const;
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void renderGaussian6Blur(const FrameBuffer &in_fbo, const FrameBuffer &auxiliary,
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float sigmaV, float sigmaH) const;
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void renderHorizontalBlur(const FrameBuffer &in_fbo, const FrameBuffer &auxiliary) const;
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void renderGaussian17TapBlur(const FrameBuffer &in_fbo,
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const FrameBuffer &auxiliary,
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const FrameBuffer &linear_depth) const;
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/** Render tex. Used for blit/texture resize */
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void renderPassThrough(unsigned tex, unsigned width, unsigned height) const;
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void renderTextureLayer(unsigned tex, unsigned layer) const;
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void renderDoF(const FrameBuffer &framebuffer, GLuint color_texture, GLuint depth_stencil_texture);
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void renderGodRays(scene::ICameraSceneNode * const camnode,
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const FrameBuffer &in_fbo,
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const FrameBuffer &tmp_fbo,
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const FrameBuffer &quarter1_fbo,
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const FrameBuffer &quarter2_fbo);
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void applyMLAA(const FrameBuffer& mlaa_tmp_framebuffer,
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const FrameBuffer& mlaa_blend_framebuffer,
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const FrameBuffer& mlaa_colors_framebuffer);
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void renderMotionBlur(const FrameBuffer &in_fbo,
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FrameBuffer &out_fbo,
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GLuint depth_stencil_texture);
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void renderGlow(const FrameBuffer& quarter_framebuffer) const;
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void renderLightning(core::vector3df intensity);
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/** Use motion blur for a short time */
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void giveBoost(unsigned int cam_index);
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/** Render the post-processed scene */
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FrameBuffer *render(scene::ICameraSceneNode * const camnode, bool isRace,
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RTT *rtts);
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}; // class PostProcessing
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#endif // HEADER_POST_PROCESSING_HPP
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