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0b2d4d4879
Recommendation is to avoid using the year nomenclature as this information is already encoded in the git repo. Avoids needing to repeatly update. Also updates AUTHORS.txt from current repo with contributor names
144 lines
3.7 KiB
C++
144 lines
3.7 KiB
C++
/*
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* This program source code file is part of KICAD, a free EDA CAD application.
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*
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* Copyright The KiCad Developers, see AUTHORS.txt for contributors.
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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 2
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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, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef OPENGL_ANTIALIASING_H__
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#define OPENGL_ANTIALIASING_H__
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#include <memory>
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#include <gal/opengl/shader.h>
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#include <math/vector2d.h>
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namespace KIGFX {
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class OPENGL_COMPOSITOR;
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class OPENGL_PRESENTOR
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{
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public:
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virtual ~OPENGL_PRESENTOR()
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{
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}
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virtual bool Init() = 0;
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virtual unsigned int CreateBuffer() = 0;
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virtual VECTOR2I GetInternalBufferSize() = 0;
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virtual void OnLostBuffers() = 0;
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virtual void Begin() = 0;
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virtual void DrawBuffer( GLuint aBuffer ) = 0;
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virtual void Present() = 0;
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};
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class ANTIALIASING_NONE : public OPENGL_PRESENTOR
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{
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public:
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ANTIALIASING_NONE( OPENGL_COMPOSITOR* aCompositor );
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bool Init() override;
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unsigned int CreateBuffer() override;
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VECTOR2I GetInternalBufferSize() override;
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void OnLostBuffers() override;
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void Begin() override;
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void DrawBuffer( GLuint aBuffer ) override;
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void Present() override;
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private:
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OPENGL_COMPOSITOR* compositor;
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};
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class ANTIALIASING_SUPERSAMPLING : public OPENGL_PRESENTOR
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{
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public:
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ANTIALIASING_SUPERSAMPLING( OPENGL_COMPOSITOR* aCompositor );
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bool Init() override;
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unsigned int CreateBuffer() override;
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VECTOR2I GetInternalBufferSize() override;
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void OnLostBuffers() override;
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void Begin() override;
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void DrawBuffer( GLuint ) override;
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void Present() override;
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private:
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OPENGL_COMPOSITOR* compositor;
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unsigned int ssaaMainBuffer;
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bool areBuffersCreated;
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bool areShadersCreated;
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};
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class ANTIALIASING_SMAA : public OPENGL_PRESENTOR
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{
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public:
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ANTIALIASING_SMAA( OPENGL_COMPOSITOR* aCompositor );
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bool Init() override;
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unsigned int CreateBuffer () override;
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VECTOR2I GetInternalBufferSize() override;
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void OnLostBuffers() override;
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void Begin() override;
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void DrawBuffer( GLuint buffer ) override;
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void Present() override;
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private:
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void loadShaders();
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void updateUniforms();
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bool areBuffersInitialized;
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unsigned int smaaBaseBuffer; // base + overlay temporary
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unsigned int smaaEdgesBuffer;
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unsigned int smaaBlendBuffer;
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// smaa shader lookup textures
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unsigned int smaaAreaTex;
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unsigned int smaaSearchTex;
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bool shadersLoaded;
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std::unique_ptr<SHADER> pass_1_shader;
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GLint pass_1_metrics;
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std::unique_ptr<SHADER> pass_2_shader;
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GLint pass_2_metrics;
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std::unique_ptr<SHADER> pass_3_shader;
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GLint pass_3_metrics;
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OPENGL_COMPOSITOR* compositor;
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};
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}
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#endif
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