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