FCL/sf/adapt/qemu: symbian-qemu-0.9.1-12/libsdl-trunk/docs/html/guidevideoopengl.html@2fb8b9db1c86 (annotated)

1 2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	1	<HTML
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	2	><HEAD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	3	><TITLE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	4	>Using OpenGL With SDL</TITLE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	5	><META
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	6	NAME="GENERATOR"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	7	CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	8	"><LINK
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	9	REL="HOME"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	10	TITLE="SDL Library Documentation"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	11	HREF="index.html"><LINK
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	12	REL="UP"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	13	TITLE="Graphics and Video"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	14	HREF="guidevideo.html"><LINK
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	15	REL="PREVIOUS"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	16	TITLE="Graphics and Video"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	17	HREF="guidevideo.html"><LINK
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	18	REL="NEXT"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	19	TITLE="Input handling"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	20	HREF="guideinput.html"></HEAD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	21	><BODY
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	22	CLASS="SECT1"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	23	BGCOLOR="#FFF8DC"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	24	TEXT="#000000"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	25	LINK="#0000ee"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	26	VLINK="#551a8b"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	27	ALINK="#ff0000"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	28	><DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	29	CLASS="NAVHEADER"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	30	><TABLE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	31	SUMMARY="Header navigation table"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	32	WIDTH="100%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	33	BORDER="0"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	34	CELLPADDING="0"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	35	CELLSPACING="0"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	36	><TR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	37	><TH
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	38	COLSPAN="3"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	39	ALIGN="center"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	40	>SDL Library Documentation</TH
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	41	></TR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	42	><TR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	43	><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	44	WIDTH="10%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	45	ALIGN="left"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	46	VALIGN="bottom"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	47	><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	48	HREF="guidevideo.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	49	ACCESSKEY="P"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	50	>Prev</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	51	></TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	52	><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	53	WIDTH="80%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	54	ALIGN="center"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	55	VALIGN="bottom"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	56	>Chapter 2. Graphics and Video</TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	57	><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	58	WIDTH="10%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	59	ALIGN="right"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	60	VALIGN="bottom"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	61	><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	62	HREF="guideinput.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	63	ACCESSKEY="N"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	64	>Next</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	65	></TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	66	></TR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	67	></TABLE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	68	><HR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	69	ALIGN="LEFT"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	70	WIDTH="100%"></DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	71	><DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	72	CLASS="SECT1"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	73	><H1
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	74	CLASS="SECT1"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	75	><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	76	NAME="GUIDEVIDEOOPENGL"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	77	></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	78	>Using OpenGL With SDL</H1
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	79	><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	80	>SDL has the ability to create and use OpenGL contexts on several platforms(Linux/X11, Win32, BeOS, MacOS Classic/Toolbox, Mac OS X, FreeBSD/X11 and Solaris/X11). This allows you to use SDL's audio, event handling, threads and times in your OpenGL applications (a function often performed by GLUT).</P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	81	><DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	82	CLASS="SECT2"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	83	><H2
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	84	CLASS="SECT2"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	85	><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	86	NAME="AEN103"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	87	></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	88	>Initialisation</H2
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	89	><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	90	>Initialising SDL to use OpenGL is not very different to initialising SDL normally. There are three differences; you must pass <TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	91	CLASS="LITERAL"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	92	>SDL_OPENGL</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	93	> to <A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	94	HREF="sdlsetvideomode.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	95	><TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	96	CLASS="FUNCTION"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	97	>SDL_SetVideoMode</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	98	></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	99	>, you must specify several GL attributes (depth buffer size, framebuffer sizes) using <A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	100	HREF="sdlglsetattribute.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	101	><TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	102	CLASS="FUNCTION"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	103	>SDL_GL_SetAttribute</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	104	></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	105	> and finally, if you wish to use double buffering you must specify it as a GL attribute, <SPAN
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	106	CLASS="emphasis"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	107	><I
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	108	CLASS="EMPHASIS"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	109	>not</I
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	110	></SPAN
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	111	> by passing the <TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	112	CLASS="LITERAL"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	113	>SDL_DOUBLEBUF</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	114	> flag to <TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	115	CLASS="FUNCTION"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	116	>SDL_SetVideoMode</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	117	>.</P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	118	><DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	119	CLASS="EXAMPLE"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	120	><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	121	NAME="AEN114"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	122	></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	123	><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	124	><B
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	125	>Example 2-7. Initializing SDL with OpenGL</B
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	126	></P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	127	><PRE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	128	CLASS="PROGRAMLISTING"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	129	> /* Information about the current video settings. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	130	const SDL_VideoInfo* info = NULL;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	131	/* Dimensions of our window. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	132	int width = 0;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	133	int height = 0;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	134	/* Color depth in bits of our window. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	135	int bpp = 0;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	136	/* Flags we will pass into SDL_SetVideoMode. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	137	int flags = 0;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	138
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	139	/* First, initialize SDL's video subsystem. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	140	if( SDL_Init( SDL_INIT_VIDEO ) < 0 ) {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	141	/* Failed, exit. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	142	fprintf( stderr, "Video initialization failed: %s\n",
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	143	SDL_GetError( ) );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	144	quit_tutorial( 1 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	145	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	146
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	147	/* Let's get some video information. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	148	info = SDL_GetVideoInfo( );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	149
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	150	if( !info ) {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	151	/* This should probably never happen. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	152	fprintf( stderr, "Video query failed: %s\n",
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	153	SDL_GetError( ) );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	154	quit_tutorial( 1 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	155	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	156
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	157	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	158	* Set our width/height to 640/480 (you would
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	159	* of course let the user decide this in a normal
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	160	* app). We get the bpp we will request from
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	161	* the display. On X11, VidMode can't change
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	162	* resolution, so this is probably being overly
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	163	* safe. Under Win32, ChangeDisplaySettings
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	164	* can change the bpp.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	165	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	166	width = 640;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	167	height = 480;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	168	bpp = info->vfmt->BitsPerPixel;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	169
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	170	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	171	* Now, we want to setup our requested
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	172	* window attributes for our OpenGL window.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	173	* We want at least 5 bits of red, green
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	174	* and blue. We also want at least a 16-bit
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	175	* depth buffer.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	176	*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	177	* The last thing we do is request a double
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	178	* buffered window. '1' turns on double
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	179	* buffering, '0' turns it off.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	180	*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	181	* Note that we do not use SDL_DOUBLEBUF in
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	182	* the flags to SDL_SetVideoMode. That does
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	183	* not affect the GL attribute state, only
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	184	* the standard 2D blitting setup.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	185	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	186	SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 5 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	187	SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 5 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	188	SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 5 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	189	SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 16 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	190	SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	191
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	192	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	193	* We want to request that SDL provide us
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	194	* with an OpenGL window, in a fullscreen
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	195	* video mode.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	196	*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	197	* EXERCISE:
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	198	* Make starting windowed an option, and
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	199	* handle the resize events properly with
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	200	* glViewport.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	201	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	202	flags = SDL_OPENGL \| SDL_FULLSCREEN;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	203
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	204	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	205	* Set the video mode
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	206	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	207	if( SDL_SetVideoMode( width, height, bpp, flags ) == 0 ) {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	208	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	209	* This could happen for a variety of reasons,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	210	* including DISPLAY not being set, the specified
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	211	* resolution not being available, etc.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	212	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	213	fprintf( stderr, "Video mode set failed: %s\n",
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	214	SDL_GetError( ) );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	215	quit_tutorial( 1 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	216	}</PRE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	217	></DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	218	></DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	219	><DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	220	CLASS="SECT2"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	221	><H2
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	222	CLASS="SECT2"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	223	><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	224	NAME="AEN117"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	225	></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	226	>Drawing</H2
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	227	><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	228	>Apart from initialisation, using OpenGL within SDL is the same as using OpenGL
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	229	with any other API, e.g. GLUT. You still use all the same function calls and
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	230	data types. However if you are using a double-buffered display, then you must
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	231	use
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	232	<A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	233	HREF="sdlglswapbuffers.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	234	><TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	235	CLASS="FUNCTION"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	236	>SDL_GL_SwapBuffers()</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	237	></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	238	>
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	239	to swap the buffers and update the display. To request double-buffering
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	240	with OpenGL, use
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	241	<A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	242	HREF="sdlglsetattribute.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	243	><TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	244	CLASS="FUNCTION"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	245	>SDL_GL_SetAttribute</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	246	></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	247	>
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	248	with <TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	249	CLASS="LITERAL"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	250	>SDL_GL_DOUBLEBUFFER</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	251	>, and use
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	252	<A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	253	HREF="sdlglgetattribute.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	254	><TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	255	CLASS="FUNCTION"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	256	>SDL_GL_GetAttribute</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	257	></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	258	>
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	259	to see if you actually got it.</P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	260	><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	261	>A full example code listing is now presented below.</P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	262	><DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	263	CLASS="EXAMPLE"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	264	><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	265	NAME="AEN128"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	266	></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	267	><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	268	><B
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	269	>Example 2-8. SDL and OpenGL</B
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	270	></P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	271	><PRE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	272	CLASS="PROGRAMLISTING"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	273	>/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	274	* SDL OpenGL Tutorial.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	275	* (c) Michael Vance, 2000
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	276	* briareos@lokigames.com
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	277	*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	278	* Distributed under terms of the LGPL.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	279	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	280
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	281	#include <SDL/SDL.h>
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	282	#include <GL/gl.h>
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	283	#include <GL/glu.h>
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	284
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	285	#include <stdio.h>
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	286	#include <stdlib.h>
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	287
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	288	static GLboolean should_rotate = GL_TRUE;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	289
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	290	static void quit_tutorial( int code )
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	291	{
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	292	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	293	* Quit SDL so we can release the fullscreen
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	294	* mode and restore the previous video settings,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	295	* etc.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	296	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	297	SDL_Quit( );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	298
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	299	/* Exit program. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	300	exit( code );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	301	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	302
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	303	static void handle_key_down( SDL_keysym* keysym )
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	304	{
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	305
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	306	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	307	* We're only interested if 'Esc' has
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	308	* been presssed.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	309	*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	310	* EXERCISE:
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	311	* Handle the arrow keys and have that change the
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	312	* viewing position/angle.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	313	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	314	switch( keysym->sym ) {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	315	case SDLK_ESCAPE:
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	316	quit_tutorial( 0 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	317	break;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	318	case SDLK_SPACE:
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	319	should_rotate = !should_rotate;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	320	break;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	321	default:
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	322	break;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	323	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	324
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	325	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	326
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	327	static void process_events( void )
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	328	{
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	329	/* Our SDL event placeholder. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	330	SDL_Event event;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	331
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	332	/* Grab all the events off the queue. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	333	while( SDL_PollEvent( &event ) ) {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	334
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	335	switch( event.type ) {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	336	case SDL_KEYDOWN:
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	337	/* Handle key presses. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	338	handle_key_down( &event.key.keysym );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	339	break;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	340	case SDL_QUIT:
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	341	/* Handle quit requests (like Ctrl-c). */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	342	quit_tutorial( 0 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	343	break;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	344	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	345
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	346	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	347
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	348	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	349
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	350	static void draw_screen( void )
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	351	{
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	352	/* Our angle of rotation. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	353	static float angle = 0.0f;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	354
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	355	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	356	* EXERCISE:
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	357	* Replace this awful mess with vertex
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	358	* arrays and a call to glDrawElements.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	359	*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	360	* EXERCISE:
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	361	* After completing the above, change
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	362	* it to use compiled vertex arrays.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	363	*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	364	* EXERCISE:
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	365	* Verify my windings are correct here ;).
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	366	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	367	static GLfloat v0[] = { -1.0f, -1.0f, 1.0f };
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	368	static GLfloat v1[] = { 1.0f, -1.0f, 1.0f };
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	369	static GLfloat v2[] = { 1.0f, 1.0f, 1.0f };
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	370	static GLfloat v3[] = { -1.0f, 1.0f, 1.0f };
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	371	static GLfloat v4[] = { -1.0f, -1.0f, -1.0f };
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	372	static GLfloat v5[] = { 1.0f, -1.0f, -1.0f };
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	373	static GLfloat v6[] = { 1.0f, 1.0f, -1.0f };
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	374	static GLfloat v7[] = { -1.0f, 1.0f, -1.0f };
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	375	static GLubyte red[] = { 255, 0, 0, 255 };
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	376	static GLubyte green[] = { 0, 255, 0, 255 };
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	377	static GLubyte blue[] = { 0, 0, 255, 255 };
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	378	static GLubyte white[] = { 255, 255, 255, 255 };
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	379	static GLubyte yellow[] = { 0, 255, 255, 255 };
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	380	static GLubyte black[] = { 0, 0, 0, 255 };
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	381	static GLubyte orange[] = { 255, 255, 0, 255 };
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	382	static GLubyte purple[] = { 255, 0, 255, 0 };
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	383
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	384	/* Clear the color and depth buffers. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	385	glClear( GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	386
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	387	/* We don't want to modify the projection matrix. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	388	glMatrixMode( GL_MODELVIEW );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	389	glLoadIdentity( );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	390
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	391	/* Move down the z-axis. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	392	glTranslatef( 0.0, 0.0, -5.0 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	393
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	394	/* Rotate. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	395	glRotatef( angle, 0.0, 1.0, 0.0 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	396
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	397	if( should_rotate ) {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	398
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	399	if( ++angle > 360.0f ) {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	400	angle = 0.0f;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	401	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	402
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	403	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	404
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	405	/* Send our triangle data to the pipeline. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	406	glBegin( GL_TRIANGLES );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	407
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	408	glColor4ubv( red );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	409	glVertex3fv( v0 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	410	glColor4ubv( green );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	411	glVertex3fv( v1 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	412	glColor4ubv( blue );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	413	glVertex3fv( v2 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	414
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	415	glColor4ubv( red );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	416	glVertex3fv( v0 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	417	glColor4ubv( blue );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	418	glVertex3fv( v2 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	419	glColor4ubv( white );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	420	glVertex3fv( v3 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	421
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	422	glColor4ubv( green );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	423	glVertex3fv( v1 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	424	glColor4ubv( black );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	425	glVertex3fv( v5 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	426	glColor4ubv( orange );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	427	glVertex3fv( v6 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	428
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	429	glColor4ubv( green );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	430	glVertex3fv( v1 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	431	glColor4ubv( orange );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	432	glVertex3fv( v6 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	433	glColor4ubv( blue );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	434	glVertex3fv( v2 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	435
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	436	glColor4ubv( black );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	437	glVertex3fv( v5 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	438	glColor4ubv( yellow );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	439	glVertex3fv( v4 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	440	glColor4ubv( purple );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	441	glVertex3fv( v7 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	442
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	443	glColor4ubv( black );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	444	glVertex3fv( v5 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	445	glColor4ubv( purple );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	446	glVertex3fv( v7 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	447	glColor4ubv( orange );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	448	glVertex3fv( v6 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	449
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	450	glColor4ubv( yellow );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	451	glVertex3fv( v4 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	452	glColor4ubv( red );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	453	glVertex3fv( v0 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	454	glColor4ubv( white );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	455	glVertex3fv( v3 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	456
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	457	glColor4ubv( yellow );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	458	glVertex3fv( v4 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	459	glColor4ubv( white );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	460	glVertex3fv( v3 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	461	glColor4ubv( purple );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	462	glVertex3fv( v7 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	463
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	464	glColor4ubv( white );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	465	glVertex3fv( v3 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	466	glColor4ubv( blue );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	467	glVertex3fv( v2 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	468	glColor4ubv( orange );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	469	glVertex3fv( v6 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	470
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	471	glColor4ubv( white );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	472	glVertex3fv( v3 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	473	glColor4ubv( orange );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	474	glVertex3fv( v6 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	475	glColor4ubv( purple );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	476	glVertex3fv( v7 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	477
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	478	glColor4ubv( green );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	479	glVertex3fv( v1 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	480	glColor4ubv( red );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	481	glVertex3fv( v0 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	482	glColor4ubv( yellow );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	483	glVertex3fv( v4 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	484
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	485	glColor4ubv( green );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	486	glVertex3fv( v1 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	487	glColor4ubv( yellow );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	488	glVertex3fv( v4 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	489	glColor4ubv( black );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	490	glVertex3fv( v5 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	491
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	492	glEnd( );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	493
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	494	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	495	* EXERCISE:
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	496	* Draw text telling the user that 'Spc'
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	497	* pauses the rotation and 'Esc' quits.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	498	* Do it using vetors and textured quads.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	499	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	500
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	501	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	502	* Swap the buffers. This this tells the driver to
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	503	* render the next frame from the contents of the
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	504	* back-buffer, and to set all rendering operations
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	505	* to occur on what was the front-buffer.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	506	*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	507	* Double buffering prevents nasty visual tearing
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	508	* from the application drawing on areas of the
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	509	* screen that are being updated at the same time.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	510	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	511	SDL_GL_SwapBuffers( );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	512	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	513
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	514	static void setup_opengl( int width, int height )
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	515	{
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	516	float ratio = (float) width / (float) height;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	517
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	518	/* Our shading model--Gouraud (smooth). */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	519	glShadeModel( GL_SMOOTH );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	520
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	521	/* Culling. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	522	glCullFace( GL_BACK );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	523	glFrontFace( GL_CCW );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	524	glEnable( GL_CULL_FACE );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	525
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	526	/* Set the clear color. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	527	glClearColor( 0, 0, 0, 0 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	528
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	529	/* Setup our viewport. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	530	glViewport( 0, 0, width, height );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	531
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	532	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	533	* Change to the projection matrix and set
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	534	* our viewing volume.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	535	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	536	glMatrixMode( GL_PROJECTION );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	537	glLoadIdentity( );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	538	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	539	* EXERCISE:
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	540	* Replace this with a call to glFrustum.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	541	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	542	gluPerspective( 60.0, ratio, 1.0, 1024.0 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	543	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	544
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	545	int main( int argc, char* argv[] )
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	546	{
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	547	/* Information about the current video settings. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	548	const SDL_VideoInfo* info = NULL;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	549	/* Dimensions of our window. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	550	int width = 0;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	551	int height = 0;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	552	/* Color depth in bits of our window. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	553	int bpp = 0;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	554	/* Flags we will pass into SDL_SetVideoMode. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	555	int flags = 0;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	556
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	557	/* First, initialize SDL's video subsystem. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	558	if( SDL_Init( SDL_INIT_VIDEO ) < 0 ) {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	559	/* Failed, exit. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	560	fprintf( stderr, "Video initialization failed: %s\n",
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	561	SDL_GetError( ) );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	562	quit_tutorial( 1 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	563	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	564
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	565	/* Let's get some video information. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	566	info = SDL_GetVideoInfo( );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	567
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	568	if( !info ) {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	569	/* This should probably never happen. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	570	fprintf( stderr, "Video query failed: %s\n",
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	571	SDL_GetError( ) );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	572	quit_tutorial( 1 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	573	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	574
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	575	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	576	* Set our width/height to 640/480 (you would
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	577	* of course let the user decide this in a normal
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	578	* app). We get the bpp we will request from
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	579	* the display. On X11, VidMode can't change
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	580	* resolution, so this is probably being overly
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	581	* safe. Under Win32, ChangeDisplaySettings
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	582	* can change the bpp.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	583	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	584	width = 640;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	585	height = 480;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	586	bpp = info->vfmt->BitsPerPixel;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	587
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	588	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	589	* Now, we want to setup our requested
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	590	* window attributes for our OpenGL window.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	591	* We want at least 5 bits of red, green
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	592	* and blue. We also want at least a 16-bit
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	593	* depth buffer.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	594	*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	595	* The last thing we do is request a double
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	596	* buffered window. '1' turns on double
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	597	* buffering, '0' turns it off.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	598	*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	599	* Note that we do not use SDL_DOUBLEBUF in
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	600	* the flags to SDL_SetVideoMode. That does
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	601	* not affect the GL attribute state, only
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	602	* the standard 2D blitting setup.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	603	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	604	SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 5 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	605	SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 5 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	606	SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 5 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	607	SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 16 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	608	SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	609
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	610	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	611	* We want to request that SDL provide us
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	612	* with an OpenGL window, in a fullscreen
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	613	* video mode.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	614	*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	615	* EXERCISE:
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	616	* Make starting windowed an option, and
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	617	* handle the resize events properly with
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	618	* glViewport.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	619	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	620	flags = SDL_OPENGL \| SDL_FULLSCREEN;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	621
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	622	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	623	* Set the video mode
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	624	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	625	if( SDL_SetVideoMode( width, height, bpp, flags ) == 0 ) {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	626	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	627	* This could happen for a variety of reasons,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	628	* including DISPLAY not being set, the specified
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	629	* resolution not being available, etc.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	630	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	631	fprintf( stderr, "Video mode set failed: %s\n",
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	632	SDL_GetError( ) );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	633	quit_tutorial( 1 );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	634	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	635
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	636	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	637	* At this point, we should have a properly setup
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	638	* double-buffered window for use with OpenGL.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	639	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	640	setup_opengl( width, height );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	641
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	642	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	643	* Now we want to begin our normal app process--
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	644	* an event loop with a lot of redrawing.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	645	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	646	while( 1 ) {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	647	/* Process incoming events. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	648	process_events( );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	649	/* Draw the screen. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	650	draw_screen( );
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	651	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	652
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	653	/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	654	* EXERCISE:
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	655	* Record timings using SDL_GetTicks() and
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	656	* and print out frames per second at program
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	657	* end.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	658	*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	659
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	660	/* Never reached. */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	661	return 0;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	662	}</PRE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	663	></DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	664	></DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	665	></DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	666	><DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	667	CLASS="NAVFOOTER"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	668	><HR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	669	ALIGN="LEFT"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	670	WIDTH="100%"><TABLE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	671	SUMMARY="Footer navigation table"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	672	WIDTH="100%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	673	BORDER="0"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	674	CELLPADDING="0"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	675	CELLSPACING="0"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	676	><TR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	677	><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	678	WIDTH="33%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	679	ALIGN="left"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	680	VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	681	><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	682	HREF="guidevideo.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	683	ACCESSKEY="P"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	684	>Prev</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	685	></TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	686	><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	687	WIDTH="34%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	688	ALIGN="center"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	689	VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	690	><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	691	HREF="index.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	692	ACCESSKEY="H"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	693	>Home</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	694	></TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	695	><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	696	WIDTH="33%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	697	ALIGN="right"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	698	VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	699	><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	700	HREF="guideinput.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	701	ACCESSKEY="N"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	702	>Next</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	703	></TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	704	></TR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	705	><TR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	706	><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	707	WIDTH="33%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	708	ALIGN="left"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	709	VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	710	>Graphics and Video</TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	711	><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	712	WIDTH="34%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	713	ALIGN="center"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	714	VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	715	><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	716	HREF="guidevideo.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	717	ACCESSKEY="U"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	718	>Up</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	719	></TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	720	><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	721	WIDTH="33%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	722	ALIGN="right"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	723	VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	724	>Input handling</TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	725	></TR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	726	></TABLE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	727	></DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	728	></BODY
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	729	></HTML
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import martin.trojer@nokia.com parents: diff changeset	730	>

author	martin.trojer@nokia.com
	Fri, 31 Jul 2009 15:01:17 +0100
changeset 1	2fb8b9db1c86
permissions	-rw-r--r--