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Messages - JeGX

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Ion is a portable suite of libraries and tools for building client applications,
especially graphical ones. It is small, fast, and robust, and is cross-platform
across many platforms and devices, including desktops, mobile devices, browsers,
and other embedded platforms.

Why Use Ion?
* Small: < 500k binary size on mobile platforms, often much smaller
* Powerful: Tools for faster productivity when developing applications
  * Robust, portable application infrastructure aids in:
  * Object lifetime management
  * Memory allocation
  * Application start-up and static instances
  * Threading
  * Run-time setting editing
  * Automatic performance instrumentation
  * More!
* Tools for graphics:
  * Analyze graphics scenes to find performance bottleneck
  * Trace all OpenGL calls and examine their arguments
  * Use scene resources in multiple contexts, automatically
  * Run-time graphics state introspection
  * Run-time shader editing: change your shaders and immediately see the results
* Fast graphics: Minimal overhead between your application and OpenGL / ES
* Tested: Well-tested and facilitates testing your application
  * ~100% test coverage
  * Black- and white-box tested, unit tests and integration tests
  * Mock implementation of OpenGL API allows direct renderer unit tests and
  * Integrated Remote: extensible API allows changing arbitrary application
    settings on-the-fly for faster development, testing, and debugging
* Cross-platform:
  * Desktop: Linux, Mac OSX, Windows (OpenGL)
  * Handheld: Android (ARM, x86 MIPS), iOS (ARM and x86), and their 64-bit
  * Browser: Emscripten/asm.js, NaCl / pNaCl
* Cross-functional
  * Used by many teams across Google, running on billions of devices through
    multiple Google products


3D-Tech News Around The Web / Videogames released since 1971
« on: February 09, 2016, 09:11:05 AM »
Mobygames stats released on January 15 2016:


English forum / Re: Shadertoy multipass demos
« on: February 08, 2016, 10:18:11 PM »
The multipass framework seems to work fine now:

- Elephant demo:

- Radial blur:

- 2D cloth:

I'll try to post it tomorrow with more samples...  :P

3D-Tech News Around The Web / Re: Shadertoy - Elephant
« on: February 07, 2016, 08:34:17 PM »

English forum / Shadertoy multipass demos
« on: February 07, 2016, 08:33:15 PM »
I'm preparing a small framework (Lua) for Shadertoy multipass demos.

This simple (and pleasing) multipass demo works fine in GeeXLab:

English forum / GeeXLab released
« on: February 07, 2016, 05:45:05 PM »

3D-Tech News Around The Web / Re: Shadertoy - Elephant
« on: February 07, 2016, 05:43:25 PM »

Excellent, but i don't know how to port those multipass shaders to GeeXLab  :-[

I will work on it, GeeXLab should have all we need to port Shadertoy MP shaders...

English forum / NanoVG + GeeXLab on Raspberry Pi
« on: February 05, 2016, 04:29:53 PM »
NanoVG + GeeXLab work fine on Raspberry Pi:

English forum / How to build User Interfaces and 2D Shapes with NanoVG
« on: February 05, 2016, 04:28:07 PM »
The support of NanoVG is one of the latest features of GeeXLab Here is a tutorial to use new NanoVG functions of GeeXLab:

3D-Tech News Around The Web / Vulkan Memory Management
« on: February 05, 2016, 03:51:00 PM »
Vulkan offers another key difference to OpenGL with respect to memory allocation. When it comes to managing memory allocations as well as assigning it to individual resources, the OpenGL driver does most of the work for the developer. This allows applications to be developed, tested and deployed very quickly. In Vulkan however, the programmer takes responsibility meaning that many operations that OpenGL orchestrates heuristically can be orchestrated based on an absolute knowledge of the resource lifecycle.


ok sorry!

To disable the creation of the log file, just add this command line param:

Code: [Select]
GeeXLab.exe  /notraces

GLSL Hacker is no longer an active project. It has been replaced by GeeXLab (read this: ).

So try GeeXLab. Now if the log file is not generated, try to launch GeeXLab with admin rights. What is your platform (win, linux, osx, rpi) ?

English forum / GeeXLab released
« on: February 04, 2016, 08:27:10 PM »
GeeXLab is available for all platforms (win64 / win32, Mac OS X, Linux and Raspberry Pi).

More information:

English forum / Re: GeeXLab not opening properly under Windows 10
« on: February 04, 2016, 08:24:22 PM »

I though about two other things you can try on your previous laptop:

1/ try to rename the plugins/ folder so GeeXLab can't load plugins. There is perhaps an issue with a plugin.
2/ disable the online check for newer versions. You can disable this check with an additional option in command line:
Code: [Select]
GeeXLab.exe /no_online_check

3D-Tech News Around The Web / WebGL - Play serious games in your browser
« on: February 03, 2016, 08:17:30 PM »
No plug-ins, no installing anything, just go to the site.

WebGL is the only way to run a 3D app on Windows, Mac, and Android, etc., with no source changes. The first and only time this has ever been possible – in the known universe! And as Apple fragments the native API landscape with Metal – this portability becomes even more valuable.


English forum / Re: How to use video texture in a GLSL Shader
« on: February 03, 2016, 02:59:15 PM »
To flip the texture in the shader, you have to play with the vec2 texture coordinates. Try something like that to flip the texture around the horizontal axis (by inversing the Y coordinate):

Code: [Select]
vec4 getColor( in vec2 xy )


if (int(iter) >= ITER_MAX)
  vec2 uv = zxy*0.25 + 0.5;
  uv.y *= -1.0;
  return texture2D(iChannel0, uv);


vec2 uv = vec2(picx, dist);
uv.y *= -1.0;
vec4 color = texture2D(iChannel0, uv);



English forum / Re: GeeXLab not opening properly under Windows 10
« on: February 03, 2016, 02:52:16 PM »
GeeXLab works fine on my Win10 64-bit + HD Graphics 530 GPU (with Intel drivers v4352). Your driver is v4326. I don't think that will make a difference but you can install latest Intel graphics drivers. Maybe you have an antivirus or firewall that is blocking GeeXLab. You can also try the 32-bit version of GeeXLab... Let me know.

English forum / Re: GeeXLab not opening properly under Windows 10
« on: February 03, 2016, 02:07:20 PM »
There's no visible problem in the log file. Everything looks ok.
I have a test system with an Intel HD Graphics 530, let me do a quick test...

English forum / Re: GeeXLab not opening properly under Windows 10
« on: February 03, 2016, 11:34:09 AM »
Could you post the content of the log file (_geexlab_log.txt) ? You should find this file in GeeXLab folder.

3D-Tech News Around The Web / Serious Sam 4 Will Use Vulkan
« on: February 02, 2016, 12:07:49 PM »
In related news, Croteam has also confirmed that Serious Sam 4 will support the Vulkan API, and that it will be powered by a much improved version of the Serious Engine.

As Croteam’s Alen Ladavac wrote on Steam:
"We will support Vulkan. But we probably won’t be removing support for other APIs soon."


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