eleni.mutantstargoat.com Git - fc2020/blob - estea-fosscomm2020.tex

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 130
 131 \setbeamertemplate{blocks}[default]
 132 \setbeamercolor{block title}{fg=amber,bg=black}
 133
 134
 135 \title{\textbf{OpenGL and Vulkan Interoperability}}
 136 \author[Eleni Maria Stea <estea@igalia.com>]{\small{Ελένη Μαρία Στέα
 137 <estea@igalia.com>}\\\\\includegraphics{data/igalia.eps}}
 138 \date{FOSSCOMM 2020}
 139
 140 \AtBeginSection[]
 141 {
 142   \begin{frame}
 143     \frametitle{Outline}
 144         \tableofcontents[currentsection]
 145   \end{frame}
 146 }
 147
 148 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 149 \begin{document}
 150 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 151
 152 \begin{frame}[plain]
 153 \titlepage
 154 \end{frame}
 155
 156 \begin{frame}
 157         \frametitle{Outline}
 158         \tableofcontents
 159 \end{frame}
 160
 161 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 162
 163 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 164 \section[Εισαγωγή]{OpenGL extensions για interoperability}
 165 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 166
 167 \begin{frame}[fragile,c]
 168         \frametitle{Συνδυαστική χρήση Vulkan και OpenGL}
 169         \begin{center}
 170                 \vspace{0.5cm}
 171                 \small{
 172                         \textbf{\color{coolblack}{Σε κάποιες εφαρμογές βολεύει να συνδυάσουμε τα δύο
 173                         APIs και να εκμεταλλευτούμε τα πλεονεκτήματα του καθενός!}}
 174                 }
 175                 \vspace{0.5cm}
 176                 \begin{table}
 177                         \begin{tabularx}{\textwidth}{c c}
 178                                 \adjustbox{valign=t,  margin=1ex,
 179                                 padding=1ex}{\includegraphics[scale=.07]{data/vulkan.png}} &
 180                                 \adjustbox{valign=t, margin=1ex,
 181                                 padding=1ex}{\includegraphics[scale=.07]{data/opengl.png}}\\
 182                         \end{tabularx}
 183                 \end{table}
 184         \includegraphics[scale=.1]{data/cows.png}\\
 185                 \vspace{0.3cm}
 186                 \tiny{\textbf{\color{coolblack}{Παράδειγμα:}} σε ένα VR compositor μπορεί να
 187                 χρησιμοποιηθεί
 188                 Vulkan για να φτιαχτούν και να εμφανιστούν οι εικόνες που θα βλέπει
 189                 το κάθε μάτι, αλλά το περιεχόμενό τους να ζωγραφίζεται από OpenGL
 190                 processes.}
 191                 \vspace{0.5cm}
 192         \end{center}
 193 \end{frame}
 194
 195 \begin{frame}[fragile,c]
 196         \frametitle{Η έννοια της διαλειτουργικότητας (Interoperability)}
 197
 198         \begin{center}
 199         \textbf{\color{coolblack}{INTEROPERABILITY}}
 200         \vspace{1cm}
 201
 202                 \scriptsize{
 203         \begin{tabularx}{\textwidth}{X}
 204                 \rowcolor{coolblack}
 205                 {\begin{tabularx}{\linewidth}{X}
 206                 \rowcolor{coolblack}
 207                 \\
 208                 \multicolumn{1}{c}{
 209                         \color{paleaqua}{Με τα EXT\_external\_objects(\_fd) μπορούμε:}
 210                 }\\
 211                 \rowcolor{coolblack}
 212                 \\
 213                 \end{tabularx}}\\
 214                 \rowcolor{platinum}
 215                 \\
 216                 \rowcolor{platinum}
 217                 · \color{coolblack}{Να \textbf{δεσμεύουμε πόρους} (textures,
 218                 buffers) \textbf{μια φορά} από το Vulkan και να έχουμε πρόσβαση σε
 219                 αυτούς και από τα δύο APIs οσεσδήποτε φορές.}
 220
 221                 \\
 222                 \rowcolor{platinum}
 223                 · \color{coolblack}{Να \textbf{συγχρονίζουμε} την
 224                 πρόσβαση του κάθε API στους κοινόχρηστους πόρους.}\\
 225                 \rowcolor{platinum}
 226                 \\
 227         \end{tabularx}
 228                 }
 229         \end{center}
 230 \end{frame}
 231
 232 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 233
 234 \begin{frame}[fragile]
 235         \frametitle{OpenGL extensions για διαλειτουργικότητα στο Linux}
 236
 237         \center{\textbf{\color{coolblack}{OpenGL Extensions (Linux)}}}
 238         \vspace{0.2cm}
 239
 240         \setbeamertemplate{itemize/enumerate body begin}{\footnotesize}
 241         \setbeamertemplate{itemize/enumerate subbody begin}{\tiny}
 242         \setbeamertemplate{itemize/enumerate subsubbody begin}{\tiny}
 243
 244         \setbeamertemplate{itemize items}[triangle]
 245         \setbeamertemplate{blocks}[rounded][shadow]
 246
 247         \begin{block}{\color{afblue}{\footnotesize\textbf{EXT\_external\_objects\_fd
 248                 (EXT\_memory\_object\_fd, EXT\_semaphore\_fd)}:}}
 249                 \begin{itemize}
 250                         \item Eπιτρέπουν σε ένα OpenGL πρόγραμμα να αποκτήσει πρόσβαση σε
 251                                 μνήμη που έχει
 252                                 δεσμευθεί από το Vulkan (είτε για objects είτε για semaphores)
 253                                 μέσω ενός POSIX file descriptor handle.
 254                 \end{itemize}
 255         \end{block}
 256
 257         \vspace{0.2cm}
 258
 259         \begin{block}{\color{afblue}{\footnotesize\textbf{EXT\_external\_objects
 260                 (EXT\_memory\_object, EXT\_semaphore)}:}}
 261                 \begin{itemize}
 262                         \item Eπιτρέπουν στα OpenGL προγράμματα να φτιάχνουν
 263                                 OpenGL αντικείμενα (textures,
 264                                 buffers και semaphores) από την εξωτερική Vulkan μνήμη, και
 265                                 να συγχρονίζουν \textbf{από κοινού} την πρόσβαση σ αυτά.
 266                         \item {Eπεκτείνουν τα OpenGL calls που χρησιμοποιούνται
 267                                 για να θέσουν ή να επιστρέψουν ιδιότητες εικόνων και buffers
 268                                 με περισσότερες παραμέτρους (πχ texture tiling mode, drivers
 269                                 compatibility)}
 270                 \end{itemize}
 271         \end{block}
 272 \end{frame}
 273
 274 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 275 \section[Interoperability σε Piglit και Mesa 3D]{Προσθήκες στο Mesa και το Piglit}
 276 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 277 \begin{frame}
 278         \frametitle{Igalia's contributions}
 279
 280         \setbeamertemplate{blocks}[rounded]
 281         \center{
 282                 \normalsize{\textbf{\color{coolblack}{Συνοπτικά η δουλειά μας}}}
 283                 }
 284
 285         \vspace{0.5cm}
 286
 287         \begin{block}{Mesa}
 288                 \footnotesize{
 289                         Στην Igalia προσπαθήσαμε να υποστηρίξουμε αυτά τα extensions σε
 290                         διάφορους {\color{deepjunglegreen}\textbf{Mesa drivers}}.}
 291         \end{block}
 292
 293         \vspace{0.3cm}
 294
 295         \begin{block}{Piglit (drivers testing framework)}
 296                 \footnotesize{
 297                         Κι επειδή δεν είχαν γραφτεί (και δεν μπορούσαν να γραφτούν)
 298                         \textbf{conformance tests} γι' αυτά,
 299                         γράψαμε ένα δικό μας Vulkan framework για το
 300                         {\color{coolblack}\textbf{Piglit}} (drivers testing framework, test
 301                         suite) και τα δικά μας
 302                         Vulkan/GL τεστ που καλύπτουν τις πιο βασικές χρήσεις των extensions.
 303                 }
 304         \end{block}
 305 \end{frame}
 306
 307 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 308
 309 \begin{frame}
 310         \frametitle{Oι προσθήκες στο Mesa3D}
 311
 312         \center{
 313                 \normalsize{\textbf{\color{coolblack}{Contributions στους Mesa
 314         drivers}}}
 315         }
 316         \tiny{
 317                 \begin{table}[t]
 318                         \begin{tabularx}{\textwidth}{|l|X|l|}
 319                                 \hline
 320                                 \rowcolor{paleaqua}
 321                                 Driver & Igalia's Contributions & Status \\
 322                                 \hline
 323                                 \hline
 324                                 \rowcolor{platinum}
 325                                 iris & \textbf{\color{coolblack}implemented} EXT\_external\_objects,
 326                                 EXT\_external\_objects\_fd & \cellcolor{bananamania}{parts
 327                                 upstream, parts under review}\\
 328                                 \rowcolor{whitesmoke}
 329                                 freedreno & \textbf{\color{coolblack}implemented} EXT\_external\_objects,
 330                                 EXT\_external\_objects\_fd & \cellcolor{green}{upstream} \\
 331                                 \rowcolor{platinum}
 332                                 radeonsi & \textbf{\color{coolblack}support for external
 333                                 buffers} to existing feature &
 334                                 \cellcolor{green}{upstream} \\
 335                                 \rowcolor{whitesmoke}
 336                                 i965 & helped with the \textbf{\color{coolblack}review}, patches & \cellcolor{babypink}{under review
 337                                 (Draft MR !5594)}\\
 338                                 \hline
 339                         \end{tabularx}
 340                 \end{table}
 341         }
 342
 343         \center{
 344                 \normalsize{\textbf{\color{coolblack}{Contributors, reviewers,
 345                 people who helped!}}}
 346         }
 347
 348         \tiny{
 349                 \begin{table}[ht]
 350                         \begin{tabularx}{\textwidth}{|l|X|X|}
 351                                 \hline
 352                                 \rowcolor{paleaqua}
 353                                 Driver & Patches & Reviews, Comments, Advice\\
 354                                 \hline
 355                                 \hline
 356                                 \rowcolor{platinum}
 357                                 iris & Juan A. Suárez Romero, Eleni Maria Stea, Tapani Pälli, Eduardo Lima Mitev
 358                                 & Tapani Pälli, Rohan Garg, Eric Engestrom, Kenneth Graunke,
 359                                 Jason Ekstrand, Oscar Barenys, Daniel Stone, Matt Turner, Tomeu Vizoso \\
 360                                 \rowcolor{whitesmoke}
 361                                 freedreno & Eduardo Lima Mitev, Hyunjun Ko & Rob
 362                                 Clark, Marek Olšák, Jonathan Marek, Rohan Garg\\
 363                                 \rowcolor{platinum}
 364                                 radeonsi & Eleni Maria Stea (buffers support only, the rest was
 365                                 implemented by AMD long time ago)
 366                                 & Marek Olšák, Bas Nieuwenhuizen, Pierre-Eric Pelloux-Prayer \\
 367                                 \rowcolor{whitesmoke}
 368                                 i965 & Rohan Garg, Juan A. Suárez Romero, Tapani Pälli
 369                                 & Tomeu Vizoso, Eleni Maria Stea, Oscar Barenys \\
 370                                 \hline
 371                         \end{tabularx}
 372                 \end{table}
 373         }
 374
 375         \tiny{
 376                 \begin{itemize}
 377                         \item {Σε περίπτωση που ξεχνάω κάποιον, οι reviewers και οι
 378                                 developers φαίνονται στα Merge Requests (MR) του mesa στο
 379                                 Freedesktop Gitlab (\url{https://gitlab.freedesktop.org})!}
 380                 \end{itemize}
 381         }
 382 \end{frame}
 383
 384 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 385
 386 \begin{frame}[fragile]
 387         \frametitle{Οι προσθήκες στο Piglit I}
 388
 389         \begin{center}
 390                 \normalsize{\textbf{\color{coolblack}{Contributions στο Piglit I }}}
 391         \end{center}
 392
 393         \tiny{
 394                 \begin{center}\textbf{Επαναχρησιμοποίηση εικόνων:}\end{center}
 395                         \vspace{-0.3cm}
 396                 \begin{table}[t]
 397                         \begin{tabularx}{\textwidth}{|l|X|c|l|}
 398                                 \hline
 399                                 \rowcolor{paleaqua}
 400                                 Τεστ & Περιγραφή
 401                                 & Αποτέλεσμα & Status\\
 402                                 \hline
 403                                 \hline
 404                                 \rowcolor{platinum}
 405                                 vk-image-overwrite &
 406                                 \begin{itemize}
 407                                         \vspace{-0.3cm}
 408                                 \itemsep0cm
 409                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 410                                                 δημιουργεί εικόνες που έχουν διαφορετικό format και tiling
 411                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}} τις
 412                                         γεμίζει με πράσινο χρώμα
 413                                 \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 414                                         αποτέλεσμα:}} πράσινη οθόνη
 415                                 \end{itemize}
 416                                 &
 417                                 \adjustbox{valign=t, margin=1ex, padding=1ex}{\includegraphics[height=1cm]{shots/image_overwrite.png}} & \cellcolor{green}{upstream}\\
 418                                 \hline
 419                                 \rowcolor{whitesmoke}
 420                                 vk-image-display &
 421                                 \begin{itemize}
 422                                         \vspace{-0.3cm}
 423                                 \itemsep0cm
 424                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 425                                                 δημιουργεί μια εικόνα και τη γεμίζει με ρίγες διαφόρων
 426                                                 χρωμάτων
 427                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
 428                                                 ζωγραφίζει την εικόνα στην οθόνη χρησιμοποιώντας semaphores
 429                                                 για να συγχρονίσει την πρόσβαση στην εικόνα
 430                                         \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 431                                                 αποτέλεσμα:}} μια ριγέ εικόνα στην οθόνη
 432                                 \end{itemize}
 433                                 &
 434                                 \adjustbox{valign=t, margin=1ex,
 435                                 padding=1ex}{\includegraphics[height=1cm]{shots/image_display.png}}
 436                                 & \cellcolor{green}{upstream}\\
 437                                 \hline
 438                                 \rowcolor{platinum}
 439                                 vk-image-display-overwrite &
 440                                 \begin{itemize}
 441                                         \vspace{-0.3cm}
 442                                 \itemsep0cm
 443                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 444                                         δημιουργεί μια εικόνα και τη γεμίζει
 445                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
 446                                                 ξαναγράφει τα pixels με μια καινούρια ριγέ εικόνα
 447                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 448                                                 διαβάζει πίσω το περιεχόμενο της εικόνας
 449                                         \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 450                                                 αποτέλεσμα:}} τα pixels που θα διαβαστούν να είναι τα
 451                                                 αλλαγμένα
 452                                 \end{itemize}
 453                                 &
 454                                 \adjustbox{valign=t, margin=1ex,
 455                                 padding=1ex}{\includegraphics[height=1cm]{shots/image_display_overwrite.png}}
 456                                 & \cellcolor{green}{upstream}\\
 457                                 \hline
 458                         \end{tabularx}
 459                 \end{table}
 460         }
 461 \end{frame}
 462
 463 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 464
 465 \begin{frame}[fragile]
 466         \frametitle{Οι προσθήκες στο Piglit II}
 467
 468         \begin{center}
 469                 \normalsize{\textbf{\color{coolblack}{Contributions στο Piglit II }}}
 470         \end{center}
 471
 472         \tiny{
 473                 \begin{center}\textbf{Επαναχρησιμοποίηση του depth και του stencil buffer:}\end{center}
 474                 \begin{table}[t]
 475                         \begin{tabularx}{\textwidth}{|l|X|c|l|}
 476                                 \hline
 477                                 \rowcolor{paleaqua}
 478                                 Τεστ & Περιγραφή
 479                                 & Αποτέλεσμα & Status\\
 480                                 \hline
 481                                 \hline
 482                                 \rowcolor{platinum}
 483                                 vk-depth-display &
 484                                 \begin{itemize}
 485                                         \vspace{-0.3cm}
 486                                 \itemsep0cm
 487                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 488                                                 δημιουργεί κάποιο pattern στο z buffer (quad)
 489                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
 490                                                 ζωγραφίζει ένα fullscreen quad σε μεγαλύτερο βάθος (z,
 491                                                 depth)
 492                                         \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 493                                                 αποτέλεσμα:}}
 494                                                 το quad δεν εμφανίζεται σε κάποια σημεία
 495                                 \end{itemize}
 496                                 &
 497                                 \adjustbox{valign=t, margin=1ex,
 498                                 padding=1ex}{\includegraphics[height=1cm]{shots/depth.png}}
 499                                 & \cellcolor{green}{upstream}\\
 500                                 \hline
 501                                 \rowcolor{whitesmoke}
 502                                 vk-stencil-display &
 503                                 \begin{itemize}
 504                                         \vspace{-0.3cm}
 505                                 \itemsep0cm
 506                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 507                                                 δημιουργεί κάποιο pattern στο stencil buffer
 508                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
 509                                                 ζωγραφίζει ένα μπλε fullscreen quad χρησιμοποιώντας
 510                                                 stencil testing
 511                                         \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 512                                                 αποτέλεσμα:}}
 513                                                 το quad θα εμφανίζεται μόνο όπου πετυχαίνει το stencil test
 514                                 \end{itemize}
 515                                 &
 516                                 \adjustbox{valign=t, margin=1ex,
 517                                 padding=1ex}{\includegraphics[height=1cm]{shots/stencil.png}}
 518                                 & \cellcolor{babypink}{under review}\\
 519                                 \hline
 520                         \end{tabularx}
 521                 \end{table}
 522                 }
 523 \end{frame}
 524
 525 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 526
 527 \begin{frame}[fragile]
 528         \frametitle{Οι προσθήκες στο Piglit III}
 529
 530         \begin{center}
 531                 \normalsize{\textbf{\color{coolblack}{Contributions στο Piglit III }}}
 532         \end{center}
 533
 534         \tiny{
 535                 \begin{center}\textbf{Επαναχρησιμοποίηση των pixel buffer:}\end{center}
 536
 537                 \begin{table}[tc]
 538                         \begin{tabularx}{\textwidth}{|l|X|c|l|}
 539                                 \hline
 540                                 \rowcolor{paleaqua}
 541                                 Τεστ & Περιγραφή
 542                                 & Αποτέλεσμα & Status\\
 543                                 \hline
 544                                 \hline
 545                                 \rowcolor{platinum}
 546                                 vk-buf-exchange &
 547                                 \begin{itemize}
 548                                         \vspace{-0.3cm}
 549                                 \itemsep0cm
 550                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 551                                                 δημιουργεί μια εικόνα, ζωγραφίζει σ' αυτή το pattern με
 552                                                 τις ρίγες και αντιγράφει τα pixels της σ' ένα buffer
 553                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
 554                                                 χρησιμοποιεί αυτό το buffer ως pixel storage για ένα
 555                                                 texture και το δείχνει στην οθόνη
 556                                         \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 557                                                 αποτέλεσμα:}}
 558                                                 χρωματιστές μπάρες στην οθόνη
 559                                 \end{itemize}
 560                                 &
 561                                 \adjustbox{valign=t, margin=1ex,
 562                                 padding=1ex}{\includegraphics[height=1cm]{shots/image_display.png}}
 563                                 & \cellcolor{green}{upstream}\\
 564                                 \hline
 565                                 \rowcolor{whitesmoke}
 566                                 vk-pix-buf-update-errors &
 567                                 Όμοια με το προηγούμενο και:
 568                                 \begin{itemize}
 569                                 \itemsep0cm
 570                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
 571                                                 επιχειρεί να γράψει πάνω στο buffer ένα νέο pattern
 572                                         \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 573                                                 αποτέλεσμα:}}
 574                                                 επιστρέφεται error στο χρήστη και το buffer παραμένει
 575                                                 άθικτο
 576                                 \end{itemize}
 577                                  &
 578                                 \adjustbox{valign=t, margin=1ex,
 579                                 padding=1ex}{\includegraphics[height=1cm]{shots/image_display.png}}
 580                                 & \cellcolor{green}{upstream}\\
 581                                 \hline
 582                         \end{tabularx}
 583                 \end{table}
 584         }
 585 \end{frame}
 586
 587 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 588
 589 \begin{frame}[fragile]
 590         \frametitle{Οι προσθήκες στο Piglit IV}
 591
 592         \begin{center}
 593                 \normalsize{\textbf{\color{coolblack}{Contributions στο Piglit IV }}}
 594         \end{center}
 595
 596         \tiny{
 597                 \begin{center}\textbf{Επαναχρησιμοποίηση των vertex buffer:}\end{center}
 598                 \begin{table}[t]
 599                         \begin{tabularx}{\textwidth}{|l|X|l|l|}
 600                                 \hline
 601                                 \rowcolor{paleaqua}
 602                                 Τεστ & Περιγραφή
 603                                 & Αποτέλεσμα & Status\\
 604                                 \hline
 605                                 \hline
 606                                 \rowcolor{platinum}
 607                                 vk-vert-buf-update-errors &
 608                                 \begin{itemize}
 609                                         \vspace{-0.3cm}
 610                                 \itemsep0cm
 611                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 612                                                 φτιάχνει ένα vertex buffer και γεμίζει μόνο τα ζυγά
 613                                                 quads δημιουργώντας ένα pattern σκακιέρας
 614                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
 615                                                 καθαρίζει (γεμίζει με) κόκκινο το framebuffer και
 616                                                 ζωγραφίζει το vertex buffer με μπλε χρώμα
 617                                         \item[\textbullet] \textbf{\color{coolblack}OpenGL:}
 618                                                 προσπαθεί να αλλάξει το περιεχόμενο του VBO
 619                                         \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 620                                                 αποτέλεσμα:}}
 621                                                 ένα pattern σκακιέρας με κόκκινα και μπλε quads
 622                                                 και invalid  operation error για την απόπειρα αλλαγής των
 623                                                 δεδομένων
 624                                 \end{itemize}
 625                                 &
 626                                 \adjustbox{valign=t, margin=1ex,
 627                                 padding=1ex}{\includegraphics[height=1cm]{shots/vert_buf_update_errors.png}}
 628                                 & \cellcolor{green}{upstream}\\
 629                                 \hline
 630                                 \rowcolor{whitesmoke}
 631                                 vk-vert-buf-reuse &
 632                                 \begin{itemize}
 633                                         \vspace{-0.3cm}
 634                                 \itemsep0cm
 635                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 636                                                 όμοια με το προηγούμενο τεστ
 637                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
 638                                                 όμοια με το προηγούμενο εκτός από το invalid overwrite test
 639                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 640                                                 επαναχρησιμοποιεί το VBO σε ένα renderpass για να
 641                                                 ζωγραφίσει τη σκακιέρα
 642                                         \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 643                                                 αποτέλεσμα:}}
 644                                                 σκακιέρα στην οθόνη
 645                                 \end{itemize}
 646                                 &
 647                                 \adjustbox{valign=t, margin=1ex,
 648                                 padding=1ex}{\includegraphics[height=1cm]{shots/vert_buf_update_errors.png}}
 649                                 &
 650                                 \cellcolor{green}{upstream}\\
 651                                 \hline
 652                         \end{tabularx}
 653                 \end{table}
 654         }
 655 \end{frame}
 656
 657 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 658
 659 \begin{frame}[fragile]
 660         \frametitle{Οι προσθήκες στο Piglit V}
 661         \begin{center}
 662                 \normalsize{\textbf{\color{coolblack}{Contributions στο Piglit V }}}\\
 663         \end{center}
 664
 665         \vspace{0.5cm}
 666
 667         \tiny{
 668                 \begin{table}[t]
 669                         \begin{tabularx}{\textwidth}{|l|X|}
 670                                 \hline
 671                                 \rowcolor{paleaqua}
 672                                 Contributors & Contributions \\
 673                                 \hline
 674                                 \hline
 675                                 \rowcolor{platinum}
 676                                 Eleni Maria Stea & tests,
 677                                 Vulkan framework code \\
 678                                 \rowcolor{whitesmoke}
 679                                 Juan A. Suárez Romero & contributions στο framework, και στο
 680                                 vk-image-overwrite, testing \\
 681                                 \rowcolor{platinum}
 682                                 Tapani Pälli (\textit{\color{coolblack}{many thanks!}}) &
 683                                 reviews, testing και patches
 684                                 για το framework \\
 685                                 \rowcolor{whitesmoke}
 686                                 Bas Nieuwenhuizen & framework patch για να υποστηρίξουμε
 687                                 dedicated μνήμη \\
 688                                 \rowcolor{platinum}
 689                                 Topi Pohjolainen & πήραμε ιδέες από κάποια παλιά patches του στο ξεκίνημα\\
 690                                 \rowcolor{whitesmoke}
 691                                 Rohan Garg & κάποια μικρά fixes \\
 692                                 \hline
 693                         \end{tabularx}
 694                 \end{table}
 695         }
 696
 697         \vspace{0.3cm}
 698
 699         \begin{itemize}
 700                 \item Επίσης οι {\color{darkgray}Eduardo Lima
 701                         Mitev} και {\color{darkgray}Hyunjun Ko} έκαναν reviews σε κάποια
 702                         tests και ο {\color{darkgray}Germán Poo Caamaño} μας βοήθησε να βάλουμε
 703                         τάξη στα αρχικά commits του Vulkan framework.
 704                         {\color{afblue}\smiley\small{\smiley}}
 705                         \vspace{0.2cm}
 706                 \item Τέλος ελπίζω ότι δεν ξεχνάω κάποιον, αλλά επειδή τα slides
 707                         γράφτηκαν πριν την παρουσίαση, για περισσότερες πληροφορίες για τα MR του
 708                         Piglit δείτε το \url{https://gitlab.freedesktop.org}!
 709         \end{itemize}
 710 \end{frame}
 711
 712 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 713
 714 \begin{frame}[fragile]
 715         \frametitle{Piglit Results}
 716         \begin{block}{\begin{center}Συμπεράσματα από τη δοκιμή των mesa drivers με
 717         τα tests:\end{center}}
 718                 \begin{itemize}
 719                                 \vspace{0.3cm}
 720                         \item Σχεδόν όλα τα τεστ περνούν στους προαναφερόμενους mesa drivers
 721                                 (iris, freedreno, radeonsi, i965).\\
 722                                 \vspace{0.3cm}
 723                         \item Δυστυχώς μόνο ο iris driver υποστηρίζει external depth
 724                                 buffers (Tapani Pälli) και κανένας mesa driver δεν υποστηρίζει το external stencil
 725                                 buffer. Ως τώρα μόνο ο proprietary Nvidia driver φαίνεται να
 726                                 υποστηρίζει και τα 2.\\
 727                                 \vspace{0.3cm}
 728                         \item Tα external buffers δεν υποστηρίζονταν στον
 729                                 radeonsi και τo διορθώσαμε.\\
 730                                 \vspace{0.3cm}
 731                 \end{itemize}
 732         \end{block}
 733
 734 \end{frame}
 735
 736 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 737
 738 %\begin{frame}[fragile]
 739 %       \frametitle{vk-image-overwrite}
 740 %       \begin{block}{vk-image-overwrite}
 741 %               \lstinline[language=C++, style=CStyle]{glCreateMemoryObjectsEXT(1, gl_mem_obj); }
 742 %       \end{block}
 743 %\end{frame}
 744
 745 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 746 \section[Αναφορές (ΕΝ)]{Αναφορές}
 747 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 748 %\setbeamertemplate{bibliography entry title}{}
 749 %\setbeamertemplate{bibliography entry location}{}
 750 %\setbeamertemplate{bibliography entry note}{}
 751 \setbeamerfont{bibliography item}{size=\footnotesize}
 752 \setbeamerfont{bibliography entry author}{size=\footnotesize}
 753 \setbeamerfont{bibliography entry title}{size=\footnotesize}
 754 \setbeamerfont{bibliography entry year}{size=\footnotesize}
 755 \setbeamerfont{bibliography entry note}{size=\footnotesize}
 756
 757 \begin{frame}[allowframebreaks]
 758         \frametitle{Links}
 759         \bibliographystyle{unsrt}
 760         \bibliography{bib/references.bib}
 761         \nocite{*}
 762 \end{frame}
 763
 764 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 765 \section[Q \& A]{Ερωτήσεις}
 766 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 767
 768 \begin{frame}
 769         \frametitle{Ερωτήσεις;}
 770         {\fontsize{8}{7}\selectfont
 771         \begin{center}
 772                 \begin{figure}
 773                 \includegraphics[scale=0.04]{data/qmark.png}
 774                 \end{figure}
 775                 \vspace{0.7cm}
 776                 {\large E-mail: {\color{coolblack}estea@igalia.com}}\\
 777                 {\large IRC/Freenode: {\color{coolblack}hikiko}}\\
 778         \end{center}
 779         }
 780 \end{frame}
 781
 782
 783 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 784
 785 \begin{frame}[plain]
 786 \begin{minipage}[b][0.6\textheight]{\linewidth}
 787         \begin{picture}(0, 0)
 788                 \put(0, -76){%
 789                         \pgfuseimage{igaliabglight}
 790                         }
 791                         \begin{minipage}[b][0.4\textheight]{\linewidth}
 792                                 \begin{figure}
 793                                         \includegraphics[scale=0.6]{data/mesa.png}
 794                                 \end{figure}
 795                         \end{minipage}
 796                 \put(-200, 0) {
 797                         \hfill \huge{\textbf{\color{coolblack}Ευχαριστώ!}}\\
 798                         }
 799         \end{picture}
 800 \end{minipage}
 801
 802 \end{frame}
 803 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 804 \end{document}