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86Box/src/qt/qt_opengloptions.hpp
2023-01-08 14:25:18 +01:00

103 lines
3.4 KiB
C++

/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* Header for OpenGL renderer options
*
*
*
* Authors: Teemu Korhonen
*
* Copyright 2022 Teemu Korhonen
*/
#ifndef QT_OPENGLOPTIONS_HPP
#define QT_OPENGLOPTIONS_HPP
#include <QList>
#include <QObject>
#include <QOpenGLContext>
#include <QOpenGLShaderProgram>
class OpenGLShaderPass {
public:
OpenGLShaderPass(QOpenGLShaderProgram *shader, const QString &path)
: m_shader(shader)
, m_path(path)
, m_vertex_coord(shader->attributeLocation("VertexCoord"))
, m_tex_coord(shader->attributeLocation("TexCoord"))
, m_color(shader->attributeLocation("Color"))
, m_mvp_matrix(shader->uniformLocation("MVPMatrix"))
, m_input_size(shader->uniformLocation("InputSize"))
, m_output_size(shader->uniformLocation("OutputSize"))
, m_texture_size(shader->uniformLocation("TextureSize"))
, m_frame_count(shader->uniformLocation("FrameCount"))
{
}
bool bind() const { return m_shader->bind(); }
const QString &path() const { return m_path; }
const GLint &vertex_coord() const { return m_vertex_coord; }
const GLint &tex_coord() const { return m_tex_coord; }
const GLint &color() const { return m_color; }
const GLint &mvp_matrix() const { return m_mvp_matrix; }
const GLint &input_size() const { return m_input_size; }
const GLint &output_size() const { return m_output_size; }
const GLint &texture_size() const { return m_texture_size; }
const GLint &frame_count() const { return m_frame_count; }
private:
QOpenGLShaderProgram *m_shader;
QString m_path;
GLint m_vertex_coord;
GLint m_tex_coord;
GLint m_color;
GLint m_mvp_matrix;
GLint m_input_size;
GLint m_output_size;
GLint m_texture_size;
GLint m_frame_count;
};
class OpenGLOptions : public QObject {
Q_OBJECT
public:
enum RenderBehaviorType { SyncWithVideo,
TargetFramerate };
enum FilterType { Nearest,
Linear };
OpenGLOptions(QObject *parent, bool loadConfig, const QString &glslVersion);
RenderBehaviorType renderBehavior() const { return m_renderBehavior; }
int framerate() const { return m_framerate; }
bool vSync() const { return m_vsync; }
FilterType filter() const;
const QList<OpenGLShaderPass> &shaders() const { return m_shaders; }
void setRenderBehavior(RenderBehaviorType value);
void setFrameRate(int value);
void setVSync(bool value);
void setFilter(FilterType value);
void addShader(const QString &path);
void addDefaultShader();
void save() const;
private:
RenderBehaviorType m_renderBehavior = SyncWithVideo;
int m_framerate = -1;
bool m_vsync = false;
FilterType m_filter = Nearest;
QList<OpenGLShaderPass> m_shaders;
QString m_glslVersion;
};
#endif