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demo/misc/GLeXcess_OS3.lha

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Short:GL Excess - The OpenGL Demo for AmigaOS3
Author:'Wawa' TOKARSKI
Uploader:thellier free fr
Type:demo/misc
Version:1.0
Requires:RTG system,68020-40,fpu,StormMesa,Warp3D
Architecture:m68k-amigaos >= 3.0.0
Date:2010-05-03
Download:http://aminet.net/demo/misc/GLeXcess_OS3.lha - View contents
Readme:http://aminet.net/demo/misc/GLeXcess_OS3.readme
Downloads:1510
INSTALLATION 1) Install StormMesa libraries 2) Install Warp3D or Wazp3D
libraries 3) Copy GLeXcess_OS3 and GLeXcess_OS3.info where you want 4) For
glExcess to run you also need the original 123 data files : it is a /data
directory containing 122 .raw 1 .dat You can get them from PC version, from
Linux sources or from another Amiga like version (AROS,etc...)
http://www.glexcess.com/files.htm

USAGE
For Full Screen type "setenv glut/force_fs 1 " then start the demo
Hit space to go to next demo

HISTORY 
11/04/2009 (Alain Thellier)
----------
New icon.
Enhanced new release Wazp3D Beta45.5 that fully support the glexcess demo OS3
68k so now works in any UAE with JIT.
(Wazp3D-Prefs: Directly write in Bitmap:ON Poly Hack More:ON Coloring GL:ON
Simu. Perspective:ON )
Known bugs with Wazp3D: some triangles are missing on scene3 (blue mountain) &
scene8 (sea)

10/24/2009 (Wawa)
----------
Ported the glexcess demo to OS3 68k/StormMesa

10/22/2009 (Alex Carmona)
----------

Ported the glexcess demo to OS4/miniGL

Compilation went pretty smoothly but the resulting binary had a few issues so
I made a few changes:

1) Replaced the buggy command line arguments handling with this template:

glxs WIDTH/N HEIGHT/N DEPTH/N REFRESH/N

The defaults are "640 480 24 60" (640x480 24bit 60Hz)

Specifying no argument or the first 2 arguments will open a window, while if 3
or more arguments are provided it will open in fullscreen mode.

2) I've set the timing steps to 30 by default (change with A/Z keys).

On my A1-XE with Radeon 7500 it results in what looks like a normal pace though
GPU-intensive sequences may still appear a bit slow.

3) To prevent the usual 100% CPU load from GL (which blocks <= 0 pri tasks),
I've inserted a 20 millisecond delay in the rendering loop.

To pause the demo completely (e.g. no CPU load) press A or Z to make it open
the console window and press any key in the console, then press A or Z again
in the glexcess window. All rendering will stop until you press enter or
backspace in the console so that it can print the new timing step value.

It's possible to jump to the next scene by pressing Space at anytime during the
demo but I've had a few crashes when the window was set to 320x240 so beware.


10/09/2003
----------

This is the source code for the demo part only, benchmarking code is not
included.
All references to Win32-specific code have been removed, in order to make the
whole thing easily portable. Unfortunately, this also implies that there is no
realiable timing anymore (glut timing just could not do the work), though you
can adjust the timing step with 'a' and 'z' keys. Space bar will jump to the
next scene.

Command line arguments:
-----------------------
Arg1: Windowed/Fullscreen (0/1)
Arg2: Width
Arg3: Height
Arg4: Bpp
Arg5: VFreq

Notice about textures:
----------------------
All textures have been converted to a simple R8G8B8 format, where the first two
bytes contain width and height as powers of 2. This makes it possible to load
and edit textures inside Photoshop, just remember to set 3 (interleaved) color
channels and a header size of 2 bytes, most times the program will automatically
guess the right dimensions.

License:
--------

The source code is published under the terms of the GNU General Public License
V2.
For more details about the license, read the LICENSE file available in the
source distribution.

Building the demo on Win32+MSVC:
--------------------------------

You need to have the opengl.lib, glu.lib and glut.lib files available somewhere
in the your linking lib path.

Then open the glxglut.dsw project, and click on compile (F7 shortcut).

Building the demo on Unix:
--------------------------

You need to have the development headers of opengl/mesa, glu and glut installed
with corresponding libs.

Then type in the root dir of this source distribution just type:
$ make

There is no install rule, and the demo must be run in current path (it needs
access to ./data)

----------------------------------------------------------
As usual, feel free to drop comments: bustard at glexcess.com
----------------------------------------------------------


Contents of demo/misc/GLeXcess_OS3.lha
 PERMSSN    UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]               281594  589512  47.8% -lh5- ff84 Oct 24  2009 GLeXcess_AmigaOS/GLeXcess_OS3
[generic]                14879   33541  44.4% -lh5- f4ba Nov  5  2009 GLeXcess_AmigaOS/GLeXcess_OS3.info
[generic]                 2297    4518  50.8% -lh5- a1d0 May  3 15:18 GLeXcess_AmigaOS/GLeXcess_OS3.ReadMe
[generic]                 7014   17992  39.0% -lh5- 4902 Oct 11  2003 GLeXcess_AmigaOS/LICENSE
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         4 files  305784  645563  47.4%            May  3 20:21

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