84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
/*
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QGLView
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Copyright (C) 2018 Ivan Pelipenko peri4ko@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GLRENDERERBASE_H
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#define GLRENDERERBASE_H
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#include "glcamera.h"
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#include "glshaders.h"
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class GLRendererBase: public QObject
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#if QT_VERSION >= 0x050600
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, protected QOpenGLExtraFunctions
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#endif
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{
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friend class QGLView;
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Q_OBJECT
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public:
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GLRendererBase(QGLView * view_);
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virtual void prepareScene() {;}
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virtual void renderScene() = 0;
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struct RenderingParameters {
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RenderingParameters();
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void prepare();
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void setUniform(__GLShaderProgram__ * prog);
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int pass;
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int light_pass;
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bool light;
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bool fog;
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bool textures;
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bool prev_light;
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bool prev_fog;
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GLuint prev_tex[32];
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void * shaders;
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QMatrix4x4 view_matrix, view_matrix_i, prev_view_matrix;
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QMatrix4x4 proj_matrix, proj_matrix_i, prev_proj_matrix;
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QMatrix4x4 viewproj_matrix, viewproj_matrix_i;
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QMatrix3x3 normal_matrix;
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QMatrix4x4 cam_offset_matrix;
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__GLShaderProgram__ * cur_shader;
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};
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RenderingParameters rp;
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protected:
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virtual void setupLight(const Light & l, int inpass_index, int gl_index);
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virtual void setupAmbientLight(const QColor & a, bool first_pass);
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virtual void setupShadersLights(int lights_count);
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virtual void setupTextures(GLObjectBase & object, GLRendererBase::RenderingParameters & rp, bool first_object = false);
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virtual void setupShadersTextures(GLObjectBase & object, GLRendererBase::RenderingParameters & rp) {}
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virtual void reloadShaders() {}
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virtual void init(int width, int height) {}
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virtual void resize(int width, int height) {}
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void setupLights(int pass, int lights_per_pass);
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inline void applyFilteringParameters();
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void renderObjects(int pass, int light_pass, void * shaders = 0, bool textures = true, bool light = true, bool fog = true);
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void renderSingleObject(GLObjectBase & o, RenderingParameters & rpl);
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void renderShadow(Light * l, __GLShaderProgram__ * prog = 0, QMatrix4x4 mat = QMatrix4x4());
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void renderSingleShadow(GLObjectBase & o, RenderingParameters & rpl);
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QGLView & view;
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QImage white_image, violent_image;
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GLuint white_image_id, violent_image_id;
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};
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#endif // GLRENDERERBASE_H
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