WIP: XDC presentation

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+\documentclass{beamer}
+\usepackage[font=small,skip=-1pt]{caption}
+\usepackage{listings}
+\usepackage{xcolor}
+\usepackage{graphicx}
+\usepackage{hyperref}
+\usepackage{comment}
+\usepackage{textpos}
+\usepackage{tgpagella}
+\usepackage[utf8]{inputenc}
+\usepackage{fontspec}
+\setmainfont{Noto Sans} % substitute with any font that exists on your system
+\setsansfont{Noto Sans} % substitute with any font that exists on your system
+\setmonofont{Noto Sans Mono} % substitute with any font that exists on your system
+
+\usetheme{Warsaw}
+\useoutertheme{infolines}
+\usecolortheme{crane}
+
+\usepackage{caption}
+\captionsetup[figure]{labelformat=empty}
+
+\addtobeamertemplate{headline}{}{\vskip2pt}
+\addtobeamertemplate{headline}{}{%
+       \begin{textblock*}{5mm}(.9\textwidth,-0.6cm)
+       \includegraphics[height=0.67cm]{data/igalia-logo.png}
+\end{textblock*}}
+
+\definecolor{links}{rgb}{0, 0.6, 0}
+\hypersetup{colorlinks,linkcolor=,urlcolor=links}
+
+%\pgfdeclareimage[height=\paperheight]{igaliabg}{data/igalia_bg_light.eps}
+\pgfdeclareimage[height=\paperheight]{igaliabg}{data/igaliabg.eps}
+
+%\setbeamertemplate{title page}{
+%        \begin{picture}(-90, 180)
+%                      \put(-200, -74){%
+%                \pgfuseimage{igaliabg}
+%            }
+%
+%            \put(55,19){%
+%                              \begin{minipage}[b][36mm][t]{240mm}
+%                    \usebeamerfont{title}{\inserttitle\par}
+%                    \usebeamerfont{author}{\insertauthor\par}
+%                    \usebeamerfont{title}{\insertinstitute\par}
+%                \end{minipage}
+%            }
+%              \end{picture}
+%}
+
+\setbeamertemplate{navigation symbols}{}
+\setbeamertemplate{title page}{
+        \begin{picture}(0,0)
+            \put(-30,-164){%
+                \pgfuseimage{igaliabg}
+            }
+
+            \put(0,-110.7){%
+                \begin{minipage}[b][38mm][t]{220mm}
+                    \usebeamerfont{title}{\inserttitle\par}
+                    \usebeamerfont{author}{\insertauthor\par}
+                \end{minipage}
+            }
+               \end{picture}
+}
+
+\setbeamertemplate{itemize items}[triangle]
+\setbeamertemplate{itemize subitem}[circle]
+\setbeamerfont{frametitle}{size=\small}
+
+\setbeamertemplate{blocks}[default]
+\setbeamercolor{block title}{fg=lightgray,bg=black}
+\title{\textbf{OpenGL and Vulkan Interoperability}}
+\author[Eleni Maria Stea]{\small{Eleni Maria Stea
+<estea@igalia.com>}\\\\\includegraphics{data/igalia.eps}}
+\date{}
+
+\AtBeginSection[]
+{
+  \begin{frame}<beamer>
+    \frametitle{Outline}
+       \tableofcontents[currentsection]
+  \end{frame}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\begin{document}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\begin{frame}[plain]
+\titlepage
+\end{frame}
+
+\begin{frame}
+       \frametitle{Outline}
+       \tableofcontents
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\section[Introduction]{The concept behind OpenGL and Vulkan interoperability}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\begin{frame}
+       \frametitle{Why interoperability?}
+
+       The idea is to avoid unnecessary allocations and memory mappings when we
+       exchange texture and buffer data across APIs.\\
+       \vspace{0.3cm}
+       Interoperability extensions allow us to:\\
+       \vspace{0.8cm}
+
+       {\fontsize{9}{9}\selectfont
+               \begin{itemize}\setlength\itemsep{0.8cm}
+                               \item {\color[rgb]{0, 0, 0.6} Allocate the resources (textures,
+                                       buffers) once.}
+                               \item {\color[rgb]{0, 0, 0.6} Reuse them several times from both
+                                       APIs.}
+                               \item {\color[rgb]{0, 0, 0.6} Synchronize the APIs access to the
+                                       resources.}
+               \end{itemize}
+       }
+\end{frame}
+
+\begin{frame}
+       \frametitle{What's the alternative?}
+
+       Alternatively we would need to:\\
+       \vspace{0.8cm}
+
+       {\fontsize{9}{9}\selectfont
+               \begin{itemize}\setlength\itemsep{0.8cm}
+                               \item {\color[rgb]{0, 0, 0.6} Allocate resources of the same
+                                       size in both APIs.}
+                               \item {\color[rgb]{0, 0, 0.6} Map the Vulkan memory and copy the Vulkan object data to a an
+                                       OpenGL object data (and \textit{do all the necessary
+                                       conversions!}).}
+                               \item {\color[rgb]{0, 0, 0.6} Copy the data back after the process (and \textit{do all the
+                                       necessary conversions!}).}
+                               \item {\color[rgb]{0, 0, 0.6} Synchronize the access externally
+                                       (more complex).}
+               \end{itemize}
+       }
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\section[EXT\_external\_objects(\_fd)]{The required OpenGL extensions}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\begin{frame}
+       \frametitle{test}
+       foobar
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\section[Piglit tests use cases]{Some use cases for Piglit}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\begin{frame}
+       \frametitle{test}
+       foobar
+\end{frame}
+\section[Work and Status]{Igalia's work on mesa}
+\begin{frame}
+       \frametitle{test}
+       foobar
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\section[Q \& A]{Questions and Answers}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\end{document}