SimpleGL example - Revision history

116.228.147.241: Change only_if_exists to False, then the atom is created if it does not exist to avoid return invalid atom.

2017-07-26T02:51:55Z

Change only_if_exists to False, then the atom is created if it does not exist to avoid return invalid atom.

← Older revision		Revision as of 02:51, 26 July 2017
Line 222:		Line 222:
	XChangeProperty (		XChangeProperty (
	x_display, win,		x_display, win,
-	XInternAtom ( x_display, "_HILDON_NON_COMPOSITED_WINDOW", ~~True~~ ),	+	XInternAtom ( x_display, "_HILDON_NON_COMPOSITED_WINDOW", False ),
	XA_INTEGER, 32, PropModeReplace,		XA_INTEGER, 32, PropModeReplace,
	(unsigned char*) &one, 1);		(unsigned char*) &one, 1);

2013-09-03T19:06:53Z

moved egl_surface to better place

2013-09-03T19:04:30Z

added cstdlib and cstring, for exit and memset

2010-11-10T21:39:10Z

Source: http://talk.maemo.org/showthread.php?p=750107

← Older revision		Revision as of 21:39, 10 November 2010
Line 20:		Line 20:
	#include <X11/Xlib.h>		#include <X11/Xlib.h>
	#include <X11/Xatom.h>		#include <X11/Xatom.h>
		+	#include <X11/Xutil.h>

	#include <GLES2/gl2.h>		#include <GLES2/gl2.h>
Line 222:		Line 223:
	XA_INTEGER, 32, PropModeReplace,		XA_INTEGER, 32, PropModeReplace,
	(unsigned char*) &one, 1);		(unsigned char*) &one, 1);
		+
		+	XWMHints hints;
		+	hints.input = True;
		+	hints.flags = InputHint;
		+	XSetWMHints(x_display, win, &hints);

	XMapWindow ( x_display , win ); // make the window visible on the screen		XMapWindow ( x_display , win ); // make the window visible on the screen

2010-10-29T20:37:32Z

not needed

← Older revision		Revision as of 20:37, 29 October 2010
Line 282:		Line 282:
	}		}

-	egl_surface = eglCreateWindowSurface ( egl_display, ecfg, ~~(void*)~~win, NULL );	+	egl_surface = eglCreateWindowSurface ( egl_display, ecfg, win, NULL );
	if ( egl_surface == EGL_NO_SURFACE ) {		if ( egl_surface == EGL_NO_SURFACE ) {
	cerr << "Unable to create EGL surface (eglError: " << eglGetError() << ")" << endl;		cerr << "Unable to create EGL surface (eglError: " << eglGetError() << ")" << endl;

2010-04-21T13:38:47Z

use <source>

2010-04-08T13:48:05Z

typo

← Older revision		Revision as of 13:48, 8 April 2010
Line 1:		Line 1:
-	This is a simple program demonstrating how to use [[OpenGL-ES#OpenGL_variants\|~~PpenGL~~ ES 2.0]]. It will output this animated spiral, which can be moved around on the screen:	+	This is a simple program demonstrating how to use [[OpenGL-ES#OpenGL_variants\|OpenGL ES 2.0]]. It will output this animated spiral, which can be moved around on the screen:

	[[Image:Egl-example_output.png]]		[[Image:Egl-example_output.png]]

2010-04-08T13:47:36Z

OpenGL ES 2 link

← Older revision		Revision as of 13:47, 8 April 2010
Line 1:		Line 1:
-	This is a simple program demonstrating how to use ~~openGL~~ ES 2.0. It will output this animated spiral, which can be moved around on the screen:	+	This is a simple program demonstrating how to use [[OpenGL-ES#OpenGL_variants\|PpenGL ES 2.0]]. It will output this animated spiral, which can be moved around on the screen:

	[[Image:Egl-example_output.png]]		[[Image:Egl-example_output.png]]

2010-02-19T10:53:09Z

small corrections concerning keypress

← Older revision		Revision as of 10:53, 19 February 2010
Line 194:		Line 194:

	XSetWindowAttributes swa;		XSetWindowAttributes swa;
-	swa.event_mask = ExposureMask \| PointerMotionMask;	+	swa.event_mask = ExposureMask \| PointerMotionMask \| KeyPressMask;

-	win = XCreateWindow ( // create a window with the provided parameters	+	win = XCreateWindow ( // create a window with the provided parameters
	x_display, root,		x_display, root,
	0, 0, 800, 480, 0,		0, 0, 800, 480, 0,
Line 352:		Line 352:
	}		}

-	// if ( xev.type == KeyPress ) quit = true; ~~// doesn't work ???~~	+	if ( xev.type == KeyPress ) quit = true;
	}		}

2010-02-17T12:04:52Z

added screen shot

← Older revision		Revision as of 12:04, 17 February 2010
Line 1:		Line 1:
		+	This is a simple program demonstrating how to use openGL ES 2.0. It will output this animated spiral, which can be moved around on the screen:
		+
		+	[[Image:Egl-example_output.png]]
		+
		+
	/* Created by exoticorn ( http://talk.maemo.org/showthread.php?t=37356 )		/* Created by exoticorn ( http://talk.maemo.org/showthread.php?t=37356 )
	* edited and commented by André Bergner [endboss]		* edited and commented by André Bergner [endboss]