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-\title{\textbf{OpenGL and Vulkan Interoperability}}
-\author[Eleni Maria Stea <estea@igalia.com>]{\small{Eleni Maria Stea
-<estea@igalia.com>}\\\\\includegraphics{data/igalia.eps}}
-\date{XDC 2020}
-
-\AtBeginSection[]
-{
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-\begin{frame}[plain]
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-
-\begin{frame}
- \frametitle{Outline}
- \tableofcontents
-\end{frame}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\section[Introduction]{OpenGL interoperability extensions}
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-\begin{frame}[fragile,c]
- \frametitle{Interoperability Concept}
-
- \begin{center}
- \textbf{\color{coolblack}{INTEROPERABILITY}}
- \vspace{0.5cm}
-
-%
-% The idea is to avoid unnecessary allocations and conversions when we
-% exchange texture and buffer data across APIs.\\
-%
-
- \vspace{0.5cm}
- \begin{tabularx}{\textwidth}{X}
- \rowcolor{coolblack}
- \multicolumn{1}{c}{
- \color{paleaqua}{EXT\_external\_objects(\_fd) extensions enable:}
- }\\
- \rowcolor{platinum}
- \\
- \rowcolor{platinum}
- \small{· \color{coolblack}{\textbf{Allocation} of resources (textures,
- buffers) from Vulkan and {\textbf{sharing}} of those resources from both APIs}
- }
- \\
- \rowcolor{platinum}
- \\
- \rowcolor{platinum}
- \small{· \color{coolblack}{\textbf{Synchronization} of the access to
- shared resources between APIs.}}\\
- \rowcolor{platinum}
- \\
- \end{tabularx}
-
- \vspace{0.5cm}
- \end{center}
- \footnotesize{\textbf{Example:} a VR compositor where the left and right eye
- images are allocated and displayed by Vulkan but their contents are filled by
- OpenGL processes.}
-\end{frame}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-\begin{frame}[fragile]
- \frametitle{OpenGL extensions for interoperability on Linux}
-
- \center{\textbf{\color{coolblack}{OpenGL Extensions (Linux)}}}
- \vspace{0.2cm}
-
- \setbeamertemplate{itemize/enumerate body begin}{\footnotesize}
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-
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-
- \begin{block}{\color{afblue}{\footnotesize\textbf{EXT\_external\_objects\_fd
- (EXT\_memory\_object\_fd, EXT\_semaphore\_fd)}:}}
- \begin{itemize}
- \item enables an OpenGL application to import a memory object or
- semaphore from POSIX file descriptor external handles
- \end{itemize}
- \end{block}
-
- \vspace{0.2cm}
-
- \begin{block}{\color{afblue}{\footnotesize\textbf{EXT\_external\_objects
- (EXT\_memory\_object, EXT\_semaphore)}:}}
- \begin{itemize}
- \item enables an OpenGL application to
- create OpenGL objects corresponding to Vulkan objects (textures,
- buffers, semaphores) and synchronize access to shared objects
- across APIs
- \item {extends existing GL calls that set and query properties}
- \end{itemize}
- \end{block}
-\end{frame}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\section[Interoperability on Mesa]{Additions to Mesa and Piglit}
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\begin{frame}
- \frametitle{Igalia's contributions}
-
- \setbeamertemplate{blocks}[rounded]
- \center{
- \normalsize{\textbf{\color{coolblack}{Work on the feature}}}
- }
-
- \vspace{0.5cm}
-
- \begin{block}{Mesa}
- \footnotesize{
- Igalia contributed to the implementation of the interoperability
- extensions for different {\color{deepjunglegreen}\textbf{Mesa
- drivers}}.
- }
- \end{block}
-
- \vspace{0.3cm}
-
- \begin{block}{Piglit (drivers testing framework)}
- \footnotesize{
- As there were \textbf{no conformance tests} available for the
- extensions, we've written a Vulkan framework for
- {\color{coolblack}\textbf{Piglit}} and Vulkan/GL tests that cover
- some common
- EXT\_external\_objects(\_fd) use cases.
- }
- \end{block}
-\end{frame}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-\begin{frame}
- \frametitle{Additions to Mesa (the details)}
-
- \center{
- \normalsize{\textbf{\color{coolblack}{Contributions to Mesa
- drivers}}}
- }
- \tiny{
- \begin{table}[t]
- \begin{tabularx}{\textwidth}{|l|X|l|}
- \hline
- \rowcolor{paleaqua}
- Driver & Igalia's Contributions & Status \\
- \hline
- \hline
- \rowcolor{platinum}
- iris & \textbf{\color{coolblack}implemented} EXT\_external\_objects,
- EXT\_external\_objects\_fd & \cellcolor{babypink}{under review (MR
- !4337)}\\
- \rowcolor{whitesmoke}
- freedreno & \textbf{\color{coolblack}implemented} EXT\_external\_objects,
- EXT\_external\_objects\_fd & \cellcolor{green}{upstream} \\
- \rowcolor{platinum}
- radeonsi & \textbf{\color{coolblack}fixes} to the already implemented feature &
- \cellcolor{bananamania}{work in
- progress (WIP MR !6364)} \\
- \rowcolor{whitesmoke}
- i965 & helped with the \textbf{\color{coolblack}review}, patches & \cellcolor{babypink}{under review
- (Draft MR !5594)}\\
- \hline
- \end{tabularx}
- \end{table}
- }
-
- \center{
- \normalsize{\textbf{\color{coolblack}{Contributors, reviewers,
- people who helped!}}}
- }
-
- \tiny{
- \begin{table}[ht]
- \begin{tabularx}{\textwidth}{|l|X|X|}
- \hline
- \rowcolor{paleaqua}
- Driver & Patches & Reviews, Comments, Advice\\
- \hline
- \hline
- \rowcolor{platinum}
- iris & Juan A. Suárez Romero, Eleni Maria Stea, Tapani Pälli, Eduardo Lima Mitev
- & Tapani Pälli, Rohan Garg, Eric Engestrom, Kenneth Graunke,
- Jason Ekstrand, Oscar Barenys, Daniel Stone, Matt Turner, Tomeu Vizoso \\
- \rowcolor{whitesmoke}
- freedreno & Eduardo Lima Mitev, Hyunjun Ko & Rob
- Clark, Marek Olšák, Jonathan Marek, Rohan Garg\\
- \rowcolor{platinum}
- radeonsi & The feature was implemented by
- AMD a few years ago and we are mostly working on fixes (WIP).
- & feedback from: Bas Nieuwenhuizen, Marek Olšák \\
- \rowcolor{whitesmoke}
- i965 & Rohan Garg, Juan A. Suárez Romero, Tapani Pälli
- & Tomeu Vizoso, Eleni Maria Stea, Oscar Barenys \\
- \hline
- \end{tabularx}
- \end{table}
- }
-
- \tiny{
- \begin{itemize}
- \item {The information above was accurate at the beginning of
- September when I pre-recorded this presentation! Apologies if
- I've not included someone or something!}
- \end{itemize}
- }
-\end{frame}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-\begin{frame}[fragile]
- \frametitle{Additions to Piglit (the details) I}
-
- \begin{center}
- \normalsize{\textbf{\color{coolblack}{Contributions to Piglit I }}}
- \end{center}
-
- \tiny{
- \begin{center}\textbf{Reusing color images:}\end{center}
- \vspace{-0.3cm}
- \begin{table}[t]
- \begin{tabularx}{\textwidth}{|l|X|c|l|}
- \hline
- \rowcolor{paleaqua}
- Test name & Description
- & Output & Status\\
- \hline
- \hline
- \rowcolor{platinum}
- vk-image-overwrite &
- \begin{itemize}
- \vspace{-0.3cm}
- \itemsep0cm
- \item[\textbullet] \textbf{\color{coolblack}Vulkan:} allocates images of
- different formats and tiling modes
- \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}} fills them with
- green
- \item[\textbullet] \textbf{\color{coolblack}{Expectation:}} green screen
- \end{itemize}
- &
- \adjustbox{valign=t, margin=1ex, padding=1ex}{\includegraphics[height=1cm]{shots/image_overwrite.png}} & \cellcolor{green}{upstream}\\
- \hline
- \rowcolor{whitesmoke}
- vk-image-display &
- \begin{itemize}
- \vspace{-0.3cm}
- \itemsep0cm
- \item[\textbullet] \textbf{\color{coolblack}Vulkan:} creates
- an image and fills it with colored bars
- \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}} draws
- the image on screen using semaphores to synchronize
- access
- \item[\textbullet] \textbf{\color{coolblack}{Expectation:}}
- a stripped image on screen
- \end{itemize}
- &
- \adjustbox{valign=t, margin=1ex,
- padding=1ex}{\includegraphics[height=1cm]{shots/image_display.png}}
- & \cellcolor{green}{upstream}\\
- \hline
- \rowcolor{platinum}
- vk-image-display-overwrite &
- \begin{itemize}
- \vspace{-0.3cm}
- \itemsep0cm
- \item[\textbullet] \textbf{\color{coolblack}Vulkan:} creates
- an image and fills it
- \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
- overwrites that image with another stripped pattern
- \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
- reads back the contents of the image
- \item[\textbullet] \textbf{\color{coolblack}{Expectation:}}
- the modified contents to be read back
- \end{itemize}
- &
- \adjustbox{valign=t, margin=1ex,
- padding=1ex}{\includegraphics[height=1cm]{shots/image_display_overwrite.png}}
- & \cellcolor{green}{upstream}\\
- \hline
- \end{tabularx}
- \end{table}
- }
-\end{frame}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-\begin{frame}[fragile]
- \frametitle{Additions to Piglit (the details) II}
-
- \begin{center}
- \normalsize{\textbf{\color{coolblack}{Contributions to Piglit II }}}
- \end{center}
-
- \tiny{
- \begin{center}\textbf{Reusing the depth and stencil buffer:}\end{center}
- \begin{table}[t]
- \begin{tabularx}{\textwidth}{|l|X|c|l|}
- \hline
- \rowcolor{paleaqua}
- Test name & Description
- & Output & Status\\
- \hline
- \hline
- \rowcolor{platinum}
- vk-depth-display &
- \begin{itemize}
- \vspace{-0.3cm}
- \itemsep0cm
- \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
- creates a depth buffer pattern
- \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
- draws a fullscreen quad at a greater depth
- \item[\textbullet] \textbf{\color{coolblack}{Expectation:}}
- quad partially obscured
- \end{itemize}
- &
- \adjustbox{valign=t, margin=1ex,
- padding=1ex}{\includegraphics[height=1cm]{shots/depth.png}}
- & \cellcolor{babypink}{under review}\\
- \hline
- \rowcolor{whitesmoke}
- vk-stencil-display &
- \begin{itemize}
- \vspace{-0.3cm}
- \itemsep0cm
- \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
- creates a pattern in the stencil buffer
- \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
- draws a blue fullscreen quad with stencil testing
- \item[\textbullet] \textbf{\color{coolblack}{Expectation:}}
- quad masked by stencil pattern
- \end{itemize}
- &
- \adjustbox{valign=t, margin=1ex,
- padding=1ex}{\includegraphics[height=1cm]{shots/stencil.png}}
- & \cellcolor{babypink}{under review}\\
- \hline
- \end{tabularx}
- \end{table}
- }
-\end{frame}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-\begin{frame}[fragile]
- \frametitle{Additions to Piglit (the details) III}
-
- \begin{center}
- \normalsize{\textbf{\color{coolblack}{Contributions to Piglit III }}}
- \end{center}
-
- \tiny{
- \begin{center}\textbf{Reusing a pixel buffer:}\end{center}
-
- \begin{table}[tc]
- \begin{tabularx}{\textwidth}{|l|X|c|l|}
- \hline
- \rowcolor{paleaqua}
- Test name & Description
- & Output & Status\\
- \hline
- \hline
- \rowcolor{platinum}
- vk-buf-exchange &
- \begin{itemize}
- \vspace{-0.3cm}
- \itemsep0cm
- \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
- creates and fills an image with color bars and copies
- its content to a buffer
- \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
- uses the buffer as pixel storage for a texture and
- displays it
- \item[\textbullet] \textbf{\color{coolblack}{Expectation:}}
- colored bars on screen
- \end{itemize}
- &
- \adjustbox{valign=t, margin=1ex,
- padding=1ex}{\includegraphics[height=1cm]{shots/image_display.png}}
- & \cellcolor{green}{upstream}\\
- \hline
- \rowcolor{whitesmoke}
- vk-pix-buf-update-errors &
- Same as above and:
- \begin{itemize}
- \itemsep0cm
- \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
- attempts to overwrite the buffer
- \item[\textbullet] \textbf{\color{coolblack}{Expectation:}}
- error is generated, the buffer remains unchanged
- \end{itemize}
- &
- \adjustbox{valign=t, margin=1ex,
- padding=1ex}{\includegraphics[height=1cm]{shots/image_display.png}}
- & \cellcolor{blond}{work in progress}\\
- \hline
- \end{tabularx}
- \end{table}
- }
-\end{frame}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-\begin{frame}[fragile]
- \frametitle{Additions to Piglit (the details) IV}
-
- \begin{center}
- \normalsize{\textbf{\color{coolblack}{Contributions to Piglit IV }}}
- \end{center}
-
- \tiny{
- \begin{center}\textbf{Reusing a vertex buffer:}\end{center}
- \begin{table}[t]
- \begin{tabularx}{\textwidth}{|l|X|l|l|}
- \hline
- \rowcolor{paleaqua}
- Test name & Description
- & Output & Status\\
- \hline
- \hline
- \rowcolor{platinum}
- vk-vert-buf-update-errors &
- \begin{itemize}
- \vspace{-0.3cm}
- \itemsep0cm
- \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
- creates a vertex buffer and fills it with only the odd
- quads of a chess board pattern
- \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
- clears the screen to red and draws the vertex buffer in
- blue
- \item[\textbullet] \textbf{\color{coolblack}OpenGL:}
- attempts to overwrite the VBO
- \item[\textbullet] \textbf{\color{coolblack}{Expectation:}}
- a red-blue chess board pattern on screen and an invalid
- operation error is generated
- \end{itemize}
- &
- \adjustbox{valign=t, margin=1ex,
- padding=1ex}{\includegraphics[height=1cm]{shots/vert_buf_update_errors.png}}
- & \cellcolor{blond}{work in progress}\\
- \hline
- \rowcolor{whitesmoke}
- vk-vert-buf-reuse &
- \begin{itemize}
- \vspace{-0.3cm}
- \itemsep0cm
- \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
- same as above
- \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
- same as above minus the invalid overwrite test
- \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
- reuses the VBO in a renderpass to draw the chess board
- \item[\textbullet] \textbf{\color{coolblack}{Expectation:}}
- chessboard on screen
- \end{itemize}
- &
- \adjustbox{valign=t, margin=1ex,
- padding=1ex}{\includegraphics[height=1cm]{shots/vert_buf_update_errors.png}}
- &
- \cellcolor{blond}{work in progress}\\
- \hline
- \end{tabularx}
- \end{table}
- }
-\end{frame}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-\begin{frame}[fragile]
- \frametitle{Additions to Piglit (the details) V}
- \begin{center}
- \normalsize{\textbf{\color{coolblack}{Contributions to Piglit V }}}\\
- \vspace{0.5cm}
- \scriptsize{Many people helped us with the work on the
- tests:}
- \end{center}
-
- \tiny{
- \begin{table}[t]
- \begin{tabularx}{\textwidth}{|l|X|}
- \hline
- \rowcolor{paleaqua}
- Contributors & Contributions \\
- \hline
- \hline
- \rowcolor{platinum}
- Eleni Maria Stea & tests, Vulkan framework code \\
- \rowcolor{whitesmoke}
- Juan A. Suárez Romero & contributions to the framework, and
- vk-image-overwrite, testing \\
- \rowcolor{platinum}
- Tapani Pälli (\textit{\color{coolblack}{many thanks!}}) & reviews, testing and patches
- for the framework \\
- \rowcolor{whitesmoke}
- Bas Nieuwenhuizen & framework patch to support dedicated memory \\
- \rowcolor{platinum}
- Topi Pohjolainen & we've used some old patches of him as an example
- at the very beginning\\
- \hline
- \end{tabularx}
- \end{table}
- }
-
- \begin{itemize}
- \item Also thanks to Germán Poo Caamaño who helped tidying up the
- initial mess of the Vulkan framework commits.
- \item Again, this information was accurate when I prepared and
- pre-recorded the slides. Sorry if I am missing someone or something!
- \end{itemize}
-\end{frame}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-\begin{frame}[fragile]
- \frametitle{Piglit Results}
- \begin{block}{\begin{center}Conclusions from running the tests:\end{center}}
- \begin{itemize}
- \vspace{0.5cm}
- \item Most of the new Piglit tests are passing in the mesa drivers
- mentioned before (iris, freedreno, radeonsi, i965).\\
- \vspace{0.5cm}
- \item Unfortunately Mesa does not yet support the depth and stencil
- buffer exchange. The only implementation I 've found that currently
- supports this feature is the Nvidia proprietary driver.\\
- \vspace{0.5cm}
- \item radeonsi needs some fixes to better support buffers and
- optimal tiling (WIP).
- \vspace{0.5cm}
- \end{itemize}
- \end{block}
-
-\end{frame}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-%\begin{frame}[fragile]
-% \frametitle{vk-image-overwrite}
-% \begin{block}{vk-image-overwrite}
-% \lstinline[language=C++, style=CStyle]{glCreateMemoryObjectsEXT(1, gl_mem_obj); }
-% \end{block}
-%\end{frame}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\section[Q \& A]{Questions}
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-\begin{frame}
- \frametitle{Questions?}
- {\fontsize{8}{7}\selectfont
- \begin{center}
- \begin{figure}
- \includegraphics[scale=0.04]{data/qmark.png}
- \end{figure}
- \vspace{0.7cm}
- {\large E-mail: {\color{coolblack}estea@igalia.com}}\\
- {\large IRC/Freenode: {\color{coolblack}hikiko}}\\
- \end{center}
- }
-\end{frame}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\section[References]{References}
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%\setbeamertemplate{bibliography entry title}{}
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-%\setbeamertemplate{bibliography entry note}{}
-\setbeamerfont{bibliography item}{size=\footnotesize}
-\setbeamerfont{bibliography entry author}{size=\footnotesize}
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-\setbeamerfont{bibliography entry year}{size=\footnotesize}
-\setbeamerfont{bibliography entry note}{size=\footnotesize}
-
-\begin{frame}[allowframebreaks]
- \frametitle{Links}
- \bibliographystyle{unsrt}
- \bibliography{bib/references.bib}
- \nocite{*}
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-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-\begin{frame}[plain]
-\begin{minipage}[b][0.6\textheight]{\linewidth}
- \begin{picture}(0, 0)
- \put(0, -76){%
- \pgfuseimage{igaliabglight}
- }
- \begin{minipage}[b][0.4\textheight]{\linewidth}
- \begin{figure}
- \includegraphics[scale=0.6]{data/mesa.png}
- \end{figure}
- \end{minipage}
- \put(-200, 0) {
- \hfill \huge{\textbf{\color{coolblack}Thank you!}}\\
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-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\end{document}
projects / fc2020 / commitdiff