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Messages - JeGX

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Crimson 17.8.1 exposes OpenGL 4.5 + Vulkan 1.0.51 like Crimson 17.7.2.

Internal OpenGL version is now while it was in Crimson 17.7.2.

Intel 8th generation processors based on Coffee Lake architecture will be launched tomorrow (August 22, 2017). Here is a quick overview of the specifications as well a preview of the retail boxes:

Mobile CPUs are launched today:

- Intel Launches 8th Generation Core CPUs, Starting with Kaby Lake Refresh for 15W Mobile
- Intel 8th Gen Core i5 and Core i7 Retail Boxes Pictured

Sol-R is a CUDA/OpenCL-based realtime ray-tracer compatible with Oculus Rift DK1, Kinect, Razor Hydra and Leap Motion devices. Sol-R was used by the Interactive Molecular Visualiser project (

A number of videos can be found on my channel:

Sol-R was written as a hobby project in order to understand and learn more about CUDA and OpenCL. Most of the code was written at night and during week-ends, meaning that it's probably not the best quality ever ;-)

The idea was to produce a Ray-Tracer that has its own "personality". Most of the code does not rely on any litterature about ray-tracing, but more on a naive approach of what rays could be used for. The idea was not to produce a physically based ray-tracer, but a simple engine that could produce cool images interactively.

Take it for what it is! Sol-R is a lot of fun to play with if you like coding computer generated images.


Yes there are probably different render paths for the different GPU architectures.

I just fixed a bug in the GeeXLab SDK related to the management of the swapchain and now GPU Caps Viewer as well as GeeXLab work fine!

Something has changed in Vulkan sync because Vulkan demos of GPU Caps Viewer do not work anymore  >:(

Geeks3D's GPU Tools / GPU Caps Viewer released
« on: August 15, 2017, 12:08:44 PM »
A maintenance release of GPU Caps Viewer is available:

Version - 2017.08.14
+ added support of AMD Radeon RX Vega 64 and Vega 56.
+ added support of AMD Radeon Vega Frontier Edition.
* fixed a bug that prevented the GPU panel from being properply updated when
  a GeeXLab demo was running.
! updated with latest GeeXLab SDK libs.
! updated: GPU Shark
! updated: ZoomGPU 1.21.1 (GPU monitoring library).


Geeks3D's GPU Tools / GPU Shark released
« on: August 15, 2017, 11:54:38 AM »
A maintenance release of GPU Shark is ready.

Version - 2017.08.14
+ added support of AMD Radeon RX Vega 64 and Vega 56.
+ added support of AMD Radeon Vega Frontier Edition.
! updated: ZoomGPU 1.21.1 (GPU monitoring library).


3D-Tech News Around The Web / AMD Vega GPU architecture whitepaper
« on: August 15, 2017, 11:17:00 AM »
Vega is the most sweeping change to AMD’s core graphics technology since the
introduction of the first GCN-based chips five years ago. The Vega
architecture is intended to meet today’s needs by embracing several
principles: flexible operation, support for large data sets, improved
power efficiency, and extremely scalable performance. Vega
introduces a host of innovative features in pursuit of this vision, which
we’ll describe in the following pages. This new architecture promises
to revolutionize the way GPUs are used in both established and
emerging markets by offering developers new levels of control,
flexibility, and scalability.


3D-Tech News Around The Web / Vulkan SDK 1.0.57 released
« on: August 11, 2017, 06:25:10 PM »
Released: August 10, 2017

This new Vulkan SDK release includes the following updates:

    A new Device Simulation Layer that allows JSON configuration of device-reported limits and capabilities
    New options in spirv-opt to reduce SPIR-V binary size
    New Vulkan extensions introduced since the 1.0.54 SDK:
    Updates to loader, layers, and documents to reflect new extensions and changes defined in Vulkan version
    Scores of bug fixes and validation coverage improvements

More details are available here:


3D-Tech News Around The Web / vkDOOM3: Vulkan renderer for DOOM 3
« on: August 11, 2017, 02:59:18 PM »
vkDOOM3 adds a Vulkan renderer to DOOM 3 BFG Edition. It was written as an example of how to use Vulkan for writing something more sizable than simple recipes. It covers topics such as General Setup, Proper Memory & Resource Allocation, Synchronization, Pipelines, etc.

NOTE: For those just wanting to dive straight into the Vulkan code you can find it here... neo/renderer/Vulkan. Also you can just search for ID_VULKAN.


Geeks3D's GPU Tools / Re: GPU Shark 0.10.x released
« on: August 10, 2017, 03:28:45 PM »
GPU Shark is a standalone executable and is only shipped in a portable way. Then, just extract the archive where you want (as long as you keep the amd_ags_x86.dll in the same folder than GPUShark.exe) and launch GPU Shark. You can extract the zip archive in the C or D (or E...) drive, really where you want.

GeeXLab - english forum / Re: How to quit??
« on: August 10, 2017, 10:22:10 AM »
The 0x500 is an old error in the RPi version of GeeXLab. Since all demos work fine, I never took the time to fix it.  And indeed it has no relation with quit issue.

In the GL ES version, there is no window manager provided by Raspbian. I have had to code the low level keyboard and mouse management. That could explain why sometime for some reasons, GeeXLab does not respond correctly... The OpenGL 2.1 version does not have this issue because keyboard and mouse are managed by X11. I will try to improve input management of the GL ES version in one of the next updates.

Geeks3D's GPU Tools / Re: GPU Shark 0.10.x released
« on: August 10, 2017, 10:13:09 AM »
The amd_ags_x86.dll is shipped with GPU Shark zip archive. Maybe this DLL was missing in the archive hosted by majorgeeks. Try to download GPU Shark from the official download link:

This DLL is only used when an AMD GPU is detected and it should not prevent GPU Shark from running properly on your system.

Let me know.

Geeks3D's GPU Tools / Re: GPU Caps Viewer 1.36.x released
« on: August 09, 2017, 04:08:16 PM »
I just added a new version v1.36.1.1 with custom color disabled. You can find the exe in the ZIP version of GPU Caps Viewer (GPU_Caps_Viewer_v2.exe).


Let me know.

Geeks3D's GPU Tools / Re: Furmark changed monitor colors(gamma)
« on: August 09, 2017, 11:12:28 AM »
Thanks for your feedback. I'm glad you found the solution!
I have a 2405FPW since at least 10 years and it works still perfectly.

Geeks3D's GPU Tools / GPU Shark released
« on: August 09, 2017, 11:07:58 AM »
GPU Shark has been released:

Version – 2017.08.09
* bugfix: clock speeds on Radeon GPUs.
+ added support Radeon HD 7340 (devID: 0x9808).
! updated: ZoomGPU 1.21.0 (GPU monitoring library).

GeeXLab - english forum / Re: How to quit??
« on: August 09, 2017, 09:16:39 AM »
ESC should be enough to quit GeeXLab on RPi. Which GeeXLab have you tested? The OpenGL ES or the OpenGL 2.1 ?

I recommend you the OpenGL 2.1 version (it requires raspbian jessie) because it creates a real X11 window you can move and close like any other windows.

Geeks3D's GPU Tools / Re: GPU Caps Viewer 1.36.x released
« on: August 02, 2017, 04:23:28 PM »
Will try to fix this.

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