Sitemap 🗺️

Depth Aware Upsampling Experiments [7], OpenGL and Vulkan Interoperability on Linux [14], Graphics Drivers Development [21], Hobby Projects, Hacks, Experiments [20], FreeBSD [1], BootBoot (an ASM experiment) [4], Graphics for WebKit [6], Posts related to work [42], Ubuntu [18], Unity7 Optimisation [4], Compiz Introduction and Demo [6], Stellarium (ESA SOCIS 2011) 🪐 [4], Conferences [8], Notes [9], Posts in Greek [6]

Depth Aware Upsampling Experiments [7] ↑

2019-06-30 Depth-aware upsampling experiments (Part 6: A complete approach to upsample the half-resolution render target of a SSAO implementation)
2019-06-30 Depth-aware upsampling experiments (Part 5: Sample classification tweaks to improve the SSAO upsampling on surfaces)
2019-06-22 Depth-aware upsampling experiments (Part 4: Improving the nearest depth where we detect discontinuities)
2019-06-06 Depth-aware upsampling experiments (Part 3.2: Improving the upsampling using normals to classify the samples)
2019-06-05 Depth-aware upsampling experiments (Part 3.1: Improving the upsampling using depths to classify the samples)
2019-06-05 Depth-aware upsampling experiments (Part 2: Improving the Z-buffer downsampling)
2019-05-28 Depth-aware upsampling experiments (Part 1: Nearest depth)

OpenGL and Vulkan Interoperability on Linux [14] ↑

Graphics Drivers Development [21] ↑

Hobby Projects, Hacks, Experiments [20] ↑

2021-08-16 Shadertoying
2021-01-09 [BootBoot]: Quick Update
2020-04-21 Save the penguin! (Ludum dare jam 46)
2019-05-21 A simple pixel shader viewer
2019-03-18 A system to reject phone calls from my laptop
2019-01-27 Hair simulation with a mass-spring system (punk's not dead!)
2017-05-10 A helloworld kernel module
2017-04-17 Morphing test
2016-05-08 Don't touch my screen, bro!
2016-04-10 Broken car surveillance...
2014-05-01 CT scan viewer
2013-04-20 Winnie: a framebuffer window system
2012-06-18 A virtual keyboard
2012-02-29 Serial IR receiver
2010-12-16 Augmented reality snakeball game
2010-02-21 Path tracer
2009-12-24 Hierarchical animation using trigonometric functions.
2009-12-24 OCR project
2009-12-24 Virtual Anatomy Class
2009-12-24 Ray tracer using axis aligned bounding boxes!

FreeBSD [1] ↑

2021-06-07 Building the i965 mesa driver on FreeBSD

BootBoot (an ASM experiment) [4] ↑

2021-01-09 [BootBoot]: Quick Update
2021-01-05 [BootBoot] Part 3: Wait for keypress
2021-01-05 [BootBoot] Part 2: Boot from a floppy drive, load the 2nd sector, jump to it
2021-01-05 [BootBoot] Part 1: Boot from a floppy drive and clear the screen

Graphics for WebKit [6] ↑

2021-07-06 Debugging WebKit graphics using APItrace
2021-07-02 An easy way to debug WebKit's WebProcess with GDB
2021-05-06 Sharing texture data between ANGLE and the native system driver using DMA buffers and EGL on Linux (proof of concept)
2021-04-13 Using EGL and the dma_buf kernel framework to associate two textures with the contents of the same buffer without copy taking place
2021-04-06 Setting up to debug ANGLE with GDB (on Linux)
2021-02-03 Build WebKit/WPE on Linux/X11

Posts related to work [42] ↑

2021-07-06 Debugging WebKit graphics using APItrace
2021-07-02 An easy way to debug WebKit's WebProcess with GDB
2021-05-06 Sharing texture data between ANGLE and the native system driver using DMA buffers and EGL on Linux (proof of concept)
2021-04-20 EXT_external_objects and EXT_external_objects_fd for the Intel iris driver have been merged into mesa3D! [updated]
2021-04-13 Using EGL and the dma_buf kernel framework to associate two textures with the contents of the same buffer without copy taking place
2021-04-06 Setting up to debug ANGLE with GDB (on Linux)
2021-02-13 About VK_EXT_sample_locations
2021-02-03 Build WebKit/WPE on Linux/X11
2020-11-22 FOSSCOMM 2020, and a status update on EXT_external_objects(_fd) extensions [en, gr]
2020-11-14 A hack to instantly display the Vulkan CTS tests output
2020-11-09 [OpenGL and Vulkan Interoperability on Linux] Part 10: Reusing a Vulkan stencil buffer from OpenGL
2020-10-31 [OpenGL and Vulkan Interoperability on Linux] Part 9: Reusing a Vulkan z buffer from OpenGL
2020-10-23 [OpenGL and Vulkan Interoperability on Linux] Part 8: Using a Vulkan vertex buffer from OpenGL and then from Vulkan
2020-10-18 [OpenGL and Vulkan Interoperability on Linux] Part 7: Reusing a Vulkan vertex buffer from OpenGL
2020-10-18 [OpenGL and Vulkan Interoperability on Linux] Part 6: About overwriting buffers [UPDATED]
2020-10-18 [OpenGL and Vulkan Interoperability on Linux] Part 5: A Vulkan pixel buffer is reused from OpenGL
2020-10-17 [OpenGL and Vulkan Interoperability on Linux] Part 4: Using OpenGL to overwrite Vulkan allocated textures.
2020-09-20 [OpenGL and Vulkan Interoperability on Linux] Part 3: Using OpenGL to display Vulkan allocated textures.
2020-09-18 [OpenGL and Vulkan Interoperability on Linux]: The XDC 2020 presentation
2020-09-18 XDC 2020
2020-08-16 [OpenGL and Vulkan Interoperability on Linux] Part 2: Using OpenGL to draw on Vulkan textures.
2020-07-03 [OpenGL and Vulkan Interoperability on Linux] Part 1: Introduction
2019-09-15 GUADEC 2019 took place in my city! Also: my helloworld in Rust.
2019-06-30 Depth-aware upsampling experiments (Part 6: A complete approach to upsample the half-resolution render target of a SSAO implementation)
2019-06-30 Depth-aware upsampling experiments (Part 5: Sample classification tweaks to improve the SSAO upsampling on surfaces)
2019-06-22 Depth-aware upsampling experiments (Part 4: Improving the nearest depth where we detect discontinuities)
2019-06-06 Depth-aware upsampling experiments (Part 3.2: Improving the upsampling using normals to classify the samples)
2019-06-05 Depth-aware upsampling experiments (Part 3.1: Improving the upsampling using depths to classify the samples)
2019-06-05 Depth-aware upsampling experiments (Part 2: Improving the Z-buffer downsampling)
2019-06-04 Some additions to vkrunner
2019-05-28 Depth-aware upsampling experiments (Part 1: Nearest depth)
2019-05-21 A simple pixel shader viewer
2019-05-06 Vkrunner allows specifying the required Vulkan version
2019-05-06 Having fun with Vkrunner!
2019-02-17 i965: Improved support for the ETC/EAC formats on Intel Gen 7 and previous GPUs
2018-10-08 XDC2018
2018-08-31 SIGGRAPH2018
2018-03-04 A short OpenGL / SPIRV example.
2017-11-08 Fosscomm 2017 [update: slides in English]
2017-08-24 A terrain rendering approach (part 1)
2017-08-03 Debugging graphics code using replacement shaders (Linux, Mesa)
2017-07-28 Creating cube map images from HDR panoramas on GNU/Linux

Ubuntu [18] ↑

2017-01-11 [Updated] Enable the new (faster) Unity 7 Low Graphics mode from unity-control-center
2016-10-18 Unity 7 Low Graphics Mode Improvements
2016-10-18 Compiz window management: New options that increase performance.
2016-06-10 Creating a PPA for nux, compiz and unity
2016-04-21 The process to backport a compiz bug fix on Trusty (current LTS release: Xenial).
2016-02-23 Compiz Introduction and Demo Extra: HOWTO Build the Ubuntu Desktop (the script way)
2016-01-31 Coming soon: shadows for shaped windows.
2015-09-21 Some Compiz bugs will be automatically closed.
2015-08-18 Compiz Introduction and Demo Part 5/5: How to write a Compiz Plugin
2015-08-16 Compiz Introduction and Demo Part 4/5: Build the Ubuntu Desktop
2015-08-16 Compiz Introduction and Demo Part 3/5: Development, Tools and Support
2015-08-16 Compiz Introduction and Demo Part 2/5: Plugin demonstration
2015-08-16 Compiz Introduction and Demo Part 1/5: The Ubuntu Desktop
2015-04-28 Compiz and Unity 7 fixes
2013-10-19 Nested Ubuntu Unity with Xephyr
2013-07-09 Unbrick dead Google Nexus Galaxy - Install Ubuntu
2013-02-14 Libgliar: a library that lies to the OpenGL programs about the OpenGL context information
2013-01-07 How to build and test nux quickly

Unity7 Optimisation [4] ↑

2017-01-11 [Updated] Enable the new (faster) Unity 7 Low Graphics mode from unity-control-center
2016-10-18 Unity 7 Low Graphics Mode Improvements
2016-10-18 Compiz window management: New options that increase performance.
2015-04-28 Compiz and Unity 7 fixes

Compiz Introduction and Demo [6] ↑

2016-02-23 Compiz Introduction and Demo Extra: HOWTO Build the Ubuntu Desktop (the script way)
2015-08-18 Compiz Introduction and Demo Part 5/5: How to write a Compiz Plugin
2015-08-16 Compiz Introduction and Demo Part 4/5: Build the Ubuntu Desktop
2015-08-16 Compiz Introduction and Demo Part 3/5: Development, Tools and Support
2015-08-16 Compiz Introduction and Demo Part 2/5: Plugin demonstration
2015-08-16 Compiz Introduction and Demo Part 1/5: The Ubuntu Desktop

Stellarium (ESA SOCIS 2011) 🪐 [4] ↑

2012-07-18 FOSSCOMM 2012, 0x375: 3D effects στο Stellarium (el, gr)
2012-04-01 Venus in Stellarium
2011-10-31 New Stellarium features
2011-09-20 Stellarium planet rendering improvements.

Conferences [8] ↑

2020-11-22 FOSSCOMM 2020, and a status update on EXT_external_objects(_fd) extensions [en, gr]
2020-09-18 [OpenGL and Vulkan Interoperability on Linux]: The XDC 2020 presentation
2020-09-18 XDC 2020
2019-09-15 GUADEC 2019 took place in my city! Also: my helloworld in Rust.
2018-10-08 XDC2018
2018-08-31 SIGGRAPH2018
2017-11-08 Fosscomm 2017 [update: slides in English]
2012-07-18 FOSSCOMM 2012, 0x375: 3D effects στο Stellarium (el, gr)

Notes [9] ↑

2019-07-23 Holy-Days experiments 🌊 🌴 🌞 (Installing TempleOS/Holy-C on VirtualBox)
2018-07-22 Claws-mail: a trick to view the patches as side-by-side diffs
2018-07-21 Claws-mail + vdirsyncer (sync contacts)
2017-11-10 Install/Update LetsEncrypt certificates (no-root, apache2, debian)
2017-08-03 Debugging graphics code using replacement shaders (Linux, Mesa)
2017-07-28 Creating cube map images from HDR panoramas on GNU/Linux
2015-09-12 Share your data files quickly using the python SimpleHTTPServer
2013-10-19 Nested Ubuntu Unity with Xephyr
2013-05-28 How to create a gbm buffer under X.

Posts in Greek [6] ↑

2014-12-18 2o Summer School του ΑΠΘ
2014-09-28 1o Summer School του ΑΠΘ
2014-07-27 SSH tunnel για MySQL connections
2012-07-18 FOSSCOMM 2012, 0x375: 3D effects στο Stellarium (el, gr)
2009-05-20 Μετατρέποντας τα ελληνικά filenames σε greeklish
2008-02-25 Συνδεση με VPN στο Α.Π.Θ. απο Linux

All Pages