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qad/qglview/renderer_deferred_shading.h

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/*
QGLView
Copyright (C) 2020 Ivan Pelipenko peri4ko@yandex.ru
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef RENDERER_DEFERRED_SHADING_H
#define RENDERER_DEFERRED_SHADING_H
#include "qglview.h"
#include <QLabel>
class RendererDeferredShading: public GLRendererBase
{
public:
RendererDeferredShading(QGLView * view);
virtual ~RendererDeferredShading();
virtual void renderScene();
void init(int width, int height);
void resize(int width, int height);
void reloadShaders();
protected:
void setupShadersTextures(GLObjectBase & object, RenderingParameters & rp);
void setupShadersLights(int lights_count) {cplc = lights_count;}
void setupDSLights(int pass, const QMatrix4x4 & view_matrix);
void setupAmbientLight(const QColor & a, bool first_pass);
private:
typedef QPair<QString, QOpenGLShaderProgram **> ShaderPair;
int cplc, lights_per_pass;
float exposure_;
GLFramebuffer fbo_g, fbo_out, fbo_hsmall;
QOpenGLShaderProgram * shader_fxaa, * shader_ds_0, * shader_ds_1, * shader_hdr, * shader_small;
QOpenGLShaderProgram * shader_bloom_0, * shader_bloom_1, * shader_motion_blur, * shader_fbo_add;
QOpenGLShaderProgram * shader_shadow, * shader_ssr, * shader_ssr_blur, * shader_ssr_merge;
QOpenGLShaderProgram * shader_ssao_blur, * shader_ssao_merge, * shader_dof;
GLuint tnoise;
QVector<ShaderPair> shaders;
QMatrix4x4 prev_view, prev_proj;
QMatrix3x3 nm;
QVector4D corner_dirs[4];
QVector<Vector3d> hcontent;
Light amb_light;
QWidget * df;
QLabel * label_exp, * label_exp_step;
};
#endif // RENDERER_DEFERRED_SHADING_H