58 lines
2.0 KiB
C
58 lines
2.0 KiB
C
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/*
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* Created by Brett Terpstra 6920201 on 22/10/22.
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* Copyright (c) 2022 Brett Terpstra. All Rights Reserved.
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*/
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#ifndef STEP_3_GRAPHICS_H
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#define STEP_3_GRAPHICS_H
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// includes required to open a window on the system and render with opengl.
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// we are using the GLX extension to the X11 windowing system
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// instead of using external libs like GLFW and GLAD.
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// Wayland is not and will not be supported.
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#include <X11/X.h>
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#include <X11/Xlib.h>
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#include <GL/gl.h>
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#include <GL/glx.h>
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#include <GL/glu.h>
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#include <config.h>
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#include <engine/util/std.h>
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#include <functional>
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#include <graphics/input.h>
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namespace Raytracing {
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class XWindow {
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private:
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// X11 display itself
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Display *display;
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// the desktop window or root window
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Window desktop;
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// our window's GL attributes, using full RGBA, with a depth of 24. Double buffering on the window.
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GLint OpenGLAttributes[5] { GLX_RGBA, GLX_DEPTH_SIZE, 24, GLX_DOUBLEBUFFER, None };
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// X11 stuff we have to have
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XVisualInfo *visualInfo;
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Colormap colormap;
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XSetWindowAttributes xSetWindowAttributes{};
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// our window which we will use to draw on
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Window window;
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GLXContext glContext;
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XWindowAttributes windowAttributes {};
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// used for event handling, like pressing a button or moving the mouse.
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XEvent events{};
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int m_width, m_height;
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int m_displayWidth, m_displayHeight;
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bool isCloseRequested = false;
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Atom wmDelete;
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public:
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XWindow(int width, int height);
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// runs X11 event processing and some GL commands used for window drawing
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void runUpdates(const std::function<void()>& drawFunction);
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[[nodiscard]] inline bool shouldWindowClose() const{ return isCloseRequested; }
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void closeWindow();
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~XWindow();
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};
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}
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#endif //STEP_3_GRAPHICS_H
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