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

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 129 \setbeamertemplate{blocks}[default]
 130 \setbeamercolor{block title}{fg=amber,bg=black}
 131
 132
 133 \title{\textbf{OpenGL and Vulkan Interoperability}}
 134 \author[Eleni Maria Stea <estea@igalia.com>]{\small{Ελένη Μαρία Στέα
 135 <estea@igalia.com>}\\\\\includegraphics{data/igalia.eps}}
 136 \date{FOSSCOMM 2020}
 137
 138 \AtBeginSection[]
 139 {
 140   \begin{frame}
 141     \frametitle{Outline}
 142         \tableofcontents[currentsection]
 143   \end{frame}
 144 }
 145
 146 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 147 \begin{document}
 148 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 149
 150 \begin{frame}[plain]
 151 \titlepage
 152 \end{frame}
 153
 154 \begin{frame}
 155         \frametitle{Outline}
 156         \tableofcontents
 157 \end{frame}
 158
 159 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 160
 161 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 162 \section[Εισαγωγή]{OpenGL extensions για interoperability}
 163 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 164
 165 \begin{frame}[fragile,c]
 166         \frametitle{Vulkan, OpenGL APIs}
 167         \begin{center}
 168                 \vspace{1cm}
 169                 \begin{table}
 170                         \begin{tabularx}{\textwidth}{ c c}
 171                                 \adjustbox{valign=t, margin=1ex,
 172                                 padding=1ex}{\includegraphics[scale=.07]{data/vulkan.png}} &
 173                                 \adjustbox{valign=t, margin=1ex,
 174                                 padding=1ex}{\includegraphics[scale=.07]{data/opengl.png}}\\
 175                         \end{tabularx}
 176                 \end{table}
 177         \end{center}
 178 \end{frame}
 179
 180 \begin{frame}[fragile,c]
 181         \frametitle{Η έννοια της διαλειτουργικότητας (Interoperability)}
 182
 183         \begin{center}
 184         \textbf{\color{coolblack}{INTEROPERABILITY}}
 185         \vspace{0.5cm}
 186
 187         \begin{tabularx}{\textwidth}{X}
 188                 \rowcolor{coolblack}
 189                 \multicolumn{1}{c}{
 190                         \color{paleaqua}{Με τα EXT\_external\_objects(\_fd) μπορούμε:}
 191                 }\\
 192                 \rowcolor{platinum}
 193                 \\
 194                 \rowcolor{platinum}
 195                 \small{· \color{coolblack}{Να \textbf{δεσμεύουμε πόρους} (textures,
 196                 buffers) \textbf{μια φορά} από το Vulkan και να έχουμε πρόσβαση σε
 197                 αυτούς και από τα δύο APIs οσεσδήποτε φορές.}
 198                 }
 199                 \\
 200                 \rowcolor{platinum}
 201                 \\
 202                 \rowcolor{platinum}
 203                 \small{· \color{coolblack}{Να \textbf{συγχρονίζουμε} την
 204                 πρόσβαση του κάθε API στους κοινόχρηστους πόρους.}}\\
 205                 \rowcolor{platinum}
 206                 \\
 207         \end{tabularx}
 208         \end{center}
 209         \vspace{0.2cm}
 210         \footnotesize{\textbf{Παράδειγμα:} σε ένα VR compositor μπορεί να
 211         χρησιμοποιείται
 212         Vulkan για να φτιαχτούν και να εμφανιστούν οι εικόνες που θα βλέπει
 213         το κάθε μάτι, αλλά το περιεχόμενό τους να ζωγραφίζεται από OpenGL
 214         προγράμματα.}
 215 \end{frame}
 216
 217 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 218
 219 \begin{frame}[fragile]
 220         \frametitle{OpenGL extensions για διαλειτουργικότητα στο Linux}
 221
 222         \center{\textbf{\color{coolblack}{OpenGL Extensions (Linux)}}}
 223         \vspace{0.2cm}
 224
 225         \setbeamertemplate{itemize/enumerate body begin}{\footnotesize}
 226         \setbeamertemplate{itemize/enumerate subbody begin}{\tiny}
 227         \setbeamertemplate{itemize/enumerate subsubbody begin}{\tiny}
 228
 229         \setbeamertemplate{itemize items}[triangle]
 230         \setbeamertemplate{blocks}[rounded][shadow]
 231
 232         \begin{block}{\color{afblue}{\footnotesize\textbf{EXT\_external\_objects\_fd
 233                 (EXT\_memory\_object\_fd, EXT\_semaphore\_fd)}:}}
 234                 \begin{itemize}
 235                         \item Eπιτρέπουν σε ένα OpenGL πρόγραμμα να αποκτήσει πρόσβαση σε
 236                                 μνήμη που έχει
 237                                 δεσμευθεί από το Vulkan (είτε για objects είτε για semaphores)
 238                                 μέσω ενός POSIX file descriptor handle.
 239                 \end{itemize}
 240         \end{block}
 241
 242         \vspace{0.2cm}
 243
 244         \begin{block}{\color{afblue}{\footnotesize\textbf{EXT\_external\_objects
 245                 (EXT\_memory\_object, EXT\_semaphore)}:}}
 246                 \begin{itemize}
 247                         \item Eπιτρέπουν στα OpenGL προγράμματα να φτιάχνουν
 248                                 OpenGL αντικείμενα (textures,
 249                                 buffers και semaphores) από την εξωτερική Vulkan μνήμη, και
 250                                 να συγχρονίζουν \textbf{από κοινού} την πρόσβαση σ αυτά.
 251                         \item {Eπεκτείνουν τα OpenGL calls που χρησιμοποιούνται
 252                                 για να θέσουν ή να επιστρέψουν ιδιότητες εικόνων και buffers
 253                                 με περισσότερες παραμέτρους (πχ texture tiling mode).}
 254                 \end{itemize}
 255         \end{block}
 256 \end{frame}
 257
 258 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 259 \section[Interoperability σε Piglit και Mesa 3D]{Προσθήκες στο Mesa και το Piglit}
 260 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 261 \begin{frame}
 262         \frametitle{Igalia's contributions}
 263
 264         \setbeamertemplate{blocks}[rounded]
 265         \center{
 266                 \normalsize{\textbf{\color{coolblack}{Συνοπτικά η δουλειά μας}}}
 267                 }
 268
 269         \vspace{0.5cm}
 270
 271         \begin{block}{Mesa}
 272                 \footnotesize{
 273                         Στην Igalia προσπαθήσαμε να υποστηρίξουμε αυτά τα extensions σε
 274                         διάφορους {\color{deepjunglegreen}\textbf{Mesa drivers}}.}
 275         \end{block}
 276
 277         \vspace{0.3cm}
 278
 279         \begin{block}{Piglit (drivers testing framework)}
 280                 \footnotesize{
 281                         Κι επειδή δεν είχαν γραφτεί (και δεν μπορούσαν να γραφτούν)
 282                         \textbf{conformance tests} γι αυτά,
 283                         γράψαμε ένα δικό μας Vulkan framework για το
 284                         {\color{coolblack}\textbf{Piglit}} και τα δικά μας
 285                         Vulkan/GL τεστ που καλύπτουν τις πιο βασικές χρήσεις των extensions.
 286                 }
 287         \end{block}
 288 \end{frame}
 289
 290 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 291
 292 \begin{frame}
 293         \frametitle{Oι προσθήκες στο Mesa3D}
 294
 295         \center{
 296                 \normalsize{\textbf{\color{coolblack}{Contributions στους Mesa
 297         drivers}}}
 298         }
 299         \tiny{
 300                 \begin{table}[t]
 301                         \begin{tabularx}{\textwidth}{|l|X|l|}
 302                                 \hline
 303                                 \rowcolor{paleaqua}
 304                                 Driver & Igalia's Contributions & Status \\
 305                                 \hline
 306                                 \hline
 307                                 \rowcolor{platinum}
 308                                 iris & \textbf{\color{coolblack}implemented} EXT\_external\_objects,
 309                                 EXT\_external\_objects\_fd & \cellcolor{babypink}{under review (MR
 310                                 !4337)}\\
 311                                 \rowcolor{whitesmoke}
 312                                 freedreno & \textbf{\color{coolblack}implemented} EXT\_external\_objects,
 313                                 EXT\_external\_objects\_fd & \cellcolor{green}{upstream} \\
 314                                 \rowcolor{platinum}
 315                                 radeonsi & added \textbf{\color{coolblack}support for external buffers} to the already implemented feature &
 316                                 \cellcolor{green}{upstream} \\
 317                                 \rowcolor{whitesmoke}
 318                                 i965 & helped with the \textbf{\color{coolblack}review}, patches & \cellcolor{babypink}{under review
 319                                 (Draft MR !5594)}\\
 320                                 \hline
 321                         \end{tabularx}
 322                 \end{table}
 323         }
 324
 325         \center{
 326                 \normalsize{\textbf{\color{coolblack}{Contributors, reviewers,
 327                 people who helped!}}}
 328         }
 329
 330         \tiny{
 331                 \begin{table}[ht]
 332                         \begin{tabularx}{\textwidth}{|l|X|X|}
 333                                 \hline
 334                                 \rowcolor{paleaqua}
 335                                 Driver & Patches & Reviews, Comments, Advice\\
 336                                 \hline
 337                                 \hline
 338                                 \rowcolor{platinum}
 339                                 iris & Juan A. Suárez Romero, Eleni Maria Stea, Tapani Pälli, Eduardo Lima Mitev
 340                                 & Tapani Pälli, Rohan Garg, Eric Engestrom, Kenneth Graunke,
 341                                 Jason Ekstrand, Oscar Barenys, Daniel Stone, Matt Turner, Tomeu Vizoso \\
 342                                 \rowcolor{whitesmoke}
 343                                 freedreno & Eduardo Lima Mitev, Hyunjun Ko & Rob
 344                                 Clark, Marek Olšák, Jonathan Marek, Rohan Garg\\
 345                                 \rowcolor{platinum}
 346                                 radeonsi & Eleni Maria Stea (buffers support only, the rest was
 347                                 implemented by AMD long time ago)
 348                                 & Marek Olšák, Bas Nieuwenhuizen, Pierre-Eric Pelloux-Prayer \\
 349                                 \rowcolor{whitesmoke}
 350                                 i965 & Rohan Garg, Juan A. Suárez Romero, Tapani Pälli
 351                                 & Tomeu Vizoso, Eleni Maria Stea, Oscar Barenys \\
 352                                 \hline
 353                         \end{tabularx}
 354                 \end{table}
 355         }
 356
 357         \tiny{
 358                 \begin{itemize}
 359                         \item {Σε περίπτωση που ξεχνάω κάποιον, οι reviewers και οι
 360                                 developers φαίνονται στα προαναφερθέντα Merge Requests (MR) στο
 361                                 Freedesktop Gitlab (\url{https://gitlab.freedesktop.org})!}
 362                 \end{itemize}
 363         }
 364 \end{frame}
 365
 366 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 367
 368 \begin{frame}[fragile]
 369         \frametitle{Οι προσθήκες στο Piglit I}
 370
 371         \begin{center}
 372                 \normalsize{\textbf{\color{coolblack}{Contributions στο Piglit I }}}
 373         \end{center}
 374
 375         \tiny{
 376                 \begin{center}\textbf{Επαναχρησιμοποίηση εικόνων:}\end{center}
 377                         \vspace{-0.3cm}
 378                 \begin{table}[t]
 379                         \begin{tabularx}{\textwidth}{|l|X|c|l|}
 380                                 \hline
 381                                 \rowcolor{paleaqua}
 382                                 Τεστ & Περιγραφή
 383                                 & Αποτέλεσμα & Status\\
 384                                 \hline
 385                                 \hline
 386                                 \rowcolor{platinum}
 387                                 vk-image-overwrite &
 388                                 \begin{itemize}
 389                                         \vspace{-0.3cm}
 390                                 \itemsep0cm
 391                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 392                                                 δημιουργεί εικόνες που έχουν διαφορετικό format και tiling
 393                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}} τις
 394                                         γεμίζει με πράσινο χρώμα
 395                                 \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 396                                         αποτέλεσμα:}} πράσινη οθόνη
 397                                 \end{itemize}
 398                                 &
 399                                 \adjustbox{valign=t, margin=1ex, padding=1ex}{\includegraphics[height=1cm]{shots/image_overwrite.png}} & \cellcolor{green}{upstream}\\
 400                                 \hline
 401                                 \rowcolor{whitesmoke}
 402                                 vk-image-display &
 403                                 \begin{itemize}
 404                                         \vspace{-0.3cm}
 405                                 \itemsep0cm
 406                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 407                                                 δημιουργεί μια εικόνα και τη γεμίζει με ρίγες διαφόρων
 408                                                 χρωμάτων
 409                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
 410                                                 ζωγραφίζει την εικόνα στην οθόνη χρησιμοποιώντας semaphores
 411                                                 για να συγχρονίσει την πρόσβαση στην εικόνα
 412                                         \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 413                                                 αποτέλεσμα:}} μια ριγέ εικόνα στην οθόνη
 414                                 \end{itemize}
 415                                 &
 416                                 \adjustbox{valign=t, margin=1ex,
 417                                 padding=1ex}{\includegraphics[height=1cm]{shots/image_display.png}}
 418                                 & \cellcolor{green}{upstream}\\
 419                                 \hline
 420                                 \rowcolor{platinum}
 421                                 vk-image-display-overwrite &
 422                                 \begin{itemize}
 423                                         \vspace{-0.3cm}
 424                                 \itemsep0cm
 425                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 426                                         δημιουργεί μια εικόνα και τη γεμίζει
 427                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
 428                                                 ξαναγράφει τα pixels με μια καινούρια ριγέ εικόνα
 429                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 430                                                 διαβάζει πίσω το περιεχόμενο της εικόνας
 431                                         \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 432                                                 αποτέλεσμα:}} τα pixels που θα διαβαστούν να είναι τα
 433                                                 αλλαγμένα
 434                                 \end{itemize}
 435                                 &
 436                                 \adjustbox{valign=t, margin=1ex,
 437                                 padding=1ex}{\includegraphics[height=1cm]{shots/image_display_overwrite.png}}
 438                                 & \cellcolor{green}{upstream}\\
 439                                 \hline
 440                         \end{tabularx}
 441                 \end{table}
 442         }
 443 \end{frame}
 444
 445 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 446
 447 \begin{frame}[fragile]
 448         \frametitle{Οι προσθήκες στο Piglit II}
 449
 450         \begin{center}
 451                 \normalsize{\textbf{\color{coolblack}{Contributions στο Piglit II }}}
 452         \end{center}
 453
 454         \tiny{
 455                 \begin{center}\textbf{Επαναχρησιμοποίηση του depth και του stencil buffer:}\end{center}
 456                 \begin{table}[t]
 457                         \begin{tabularx}{\textwidth}{|l|X|c|l|}
 458                                 \hline
 459                                 \rowcolor{paleaqua}
 460                                 Τεστ & Περιγραφή
 461                                 & Αποτέλεσμα & Status\\
 462                                 \hline
 463                                 \hline
 464                                 \rowcolor{platinum}
 465                                 vk-depth-display &
 466                                 \begin{itemize}
 467                                         \vspace{-0.3cm}
 468                                 \itemsep0cm
 469                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 470                                                 δημιουργεί κάποιο pattern στο z buffer (quad)
 471                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
 472                                                 ζωγραφίζει ένα fullscreen quad σε μεγαλύτερο βάθος (z,
 473                                                 depth)
 474                                         \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 475                                                 αποτέλεσμα:}}
 476                                                 το quad δεν εμφανίζεται σε κάποια σημεία
 477                                 \end{itemize}
 478                                 &
 479                                 \adjustbox{valign=t, margin=1ex,
 480                                 padding=1ex}{\includegraphics[height=1cm]{shots/depth.png}}
 481                                 & \cellcolor{babypink}{under review}\\
 482                                 \hline
 483                                 \rowcolor{whitesmoke}
 484                                 vk-stencil-display &
 485                                 \begin{itemize}
 486                                         \vspace{-0.3cm}
 487                                 \itemsep0cm
 488                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 489                                                 δημιουργεί κάποιο pattern στο stencil buffer
 490                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
 491                                                 ζωγραφίζει ένα μπλε fullscreen quad χρησιμοποιώντας
 492                                                 stencil testing
 493                                         \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 494                                                 αποτέλεσμα:}}
 495                                                 το quad θα εμφανίζεται μόνο όπου πετυχαίνει το stencil test
 496                                 \end{itemize}
 497                                 &
 498                                 \adjustbox{valign=t, margin=1ex,
 499                                 padding=1ex}{\includegraphics[height=1cm]{shots/stencil.png}}
 500                                 & \cellcolor{babypink}{under review}\\
 501                                 \hline
 502                         \end{tabularx}
 503                 \end{table}
 504                 }
 505 \end{frame}
 506
 507 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 508
 509 \begin{frame}[fragile]
 510         \frametitle{Οι προσθήκες στο Piglit III}
 511
 512         \begin{center}
 513                 \normalsize{\textbf{\color{coolblack}{Contributions στο Piglit III }}}
 514         \end{center}
 515
 516         \tiny{
 517                 \begin{center}\textbf{Επαναχρησιμοποίηση των pixel buffer:}\end{center}
 518
 519                 \begin{table}[tc]
 520                         \begin{tabularx}{\textwidth}{|l|X|c|l|}
 521                                 \hline
 522                                 \rowcolor{paleaqua}
 523                                 Τεστ & Περιγραφή
 524                                 & Αποτέλεσμα & Status\\
 525                                 \hline
 526                                 \hline
 527                                 \rowcolor{platinum}
 528                                 vk-buf-exchange &
 529                                 \begin{itemize}
 530                                         \vspace{-0.3cm}
 531                                 \itemsep0cm
 532                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 533                                                 δημιουργεί μια εικόνα, ζωγραφίζει σ' αυτή το pattern με
 534                                                 τις ρίγες και αντιγράφει τα pixels της σ' ένα buffer
 535                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
 536                                                 χρησιμοποιεί αυτό το buffer ως pixel storage για ένα
 537                                                 texture και το δείχνει στην οθόνη
 538                                         \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 539                                                 αποτέλεσμα:}}
 540                                                 χρωματιστές μπάρες στην οθόνη
 541                                 \end{itemize}
 542                                 &
 543                                 \adjustbox{valign=t, margin=1ex,
 544                                 padding=1ex}{\includegraphics[height=1cm]{shots/image_display.png}}
 545                                 & \cellcolor{green}{upstream}\\
 546                                 \hline
 547                                 \rowcolor{whitesmoke}
 548                                 vk-pix-buf-update-errors &
 549                                 Όμοια με το προηγούμενο και:
 550                                 \begin{itemize}
 551                                 \itemsep0cm
 552                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
 553                                                 επιχειρεί να γράψει πάνω στο buffer ένα νέο pattern
 554                                         \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 555                                                 αποτέλεσμα:}}
 556                                                 επιστρέφεται error στο χρήστη και το buffer παραμένει
 557                                                 άθικτο
 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                         \end{tabularx}
 565                 \end{table}
 566         }
 567 \end{frame}
 568
 569 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 570
 571 \begin{frame}[fragile]
 572         \frametitle{Οι προσθήκες στο Piglit IV}
 573
 574         \begin{center}
 575                 \normalsize{\textbf{\color{coolblack}{Contributions στο Piglit IV }}}
 576         \end{center}
 577
 578         \tiny{
 579                 \begin{center}\textbf{Επαναχρησιμοποίηση των vertex buffer:}\end{center}
 580                 \begin{table}[t]
 581                         \begin{tabularx}{\textwidth}{|l|X|l|l|}
 582                                 \hline
 583                                 \rowcolor{paleaqua}
 584                                 Τεστ & Περιγραφή
 585                                 & Αποτέλεσμα & Status\\
 586                                 \hline
 587                                 \hline
 588                                 \rowcolor{platinum}
 589                                 vk-vert-buf-update-errors &
 590                                 \begin{itemize}
 591                                         \vspace{-0.3cm}
 592                                 \itemsep0cm
 593                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 594                                                 φτιάχνει ένα vertex buffer και γεμίζει μόνο τα ζυγά
 595                                                 quads δημιουργώντας ένα pattern σκακιέρας
 596                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
 597                                                 καθαρίζει (γεμίζει με) κόκκινο το framebuffer και
 598                                                 ζωγραφίζει το vertex buffer με μπλε χρώμα
 599                                         \item[\textbullet] \textbf{\color{coolblack}OpenGL:}
 600                                                 προσπαθεί να αλλάξει το περιεχόμενο του VBO
 601                                         \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 602                                                 αποτέλεσμα:}}
 603                                                 ένα pattern σκακιέρας με κόκκινα και μπλε quads
 604                                                 και invalid  operation error για την απόπειρα αλλαγής των
 605                                                 δεδομένων
 606                                 \end{itemize}
 607                                 &
 608                                 \adjustbox{valign=t, margin=1ex,
 609                                 padding=1ex}{\includegraphics[height=1cm]{shots/vert_buf_update_errors.png}}
 610                                 & \cellcolor{green}{upstream}\\
 611                                 \hline
 612                                 \rowcolor{whitesmoke}
 613                                 vk-vert-buf-reuse &
 614                                 \begin{itemize}
 615                                         \vspace{-0.3cm}
 616                                 \itemsep0cm
 617                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 618                                                 όμοια με το προηγούμενο τεστ
 619                                         \item[\textbullet] \textbf{\color{coolblack}{OpenGL:}}
 620                                                 όμοια με το προηγούμενο εκτός από το invalid overwrite test
 621                                         \item[\textbullet] \textbf{\color{coolblack}Vulkan:}
 622                                                 επαναχρησιμοποιεί το VBO σε ένα renderpass για να
 623                                                 ζωγραφίσει τη σκακιέρα
 624                                         \item[\textbullet] \textbf{\color{coolblack}{Προσδοκώμενο
 625                                                 αποτέλεσμα:}}
 626                                                 σκακιέρα στην οθόνη
 627                                 \end{itemize}
 628                                 &
 629                                 \adjustbox{valign=t, margin=1ex,
 630                                 padding=1ex}{\includegraphics[height=1cm]{shots/vert_buf_update_errors.png}}
 631                                 &
 632                                 \cellcolor{green}{upstream}\\
 633                                 \hline
 634                         \end{tabularx}
 635                 \end{table}
 636         }
 637 \end{frame}
 638
 639 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 640
 641 \begin{frame}[fragile]
 642         \frametitle{Οι προσθήκες στο Piglit V}
 643         \begin{center}
 644                 \normalsize{\textbf{\color{coolblack}{Contributions στο Piglit V }}}\\
 645                 \vspace{0.5cm}
 646                 \scriptsize{Πολλοί ακόμη βοήθησαν στα τεστ:}
 647         \end{center}
 648
 649         \tiny{
 650                 \begin{table}[t]
 651                         \begin{tabularx}{\textwidth}{|l|X|}
 652                                 \hline
 653                                 \rowcolor{paleaqua}
 654                                 Contributors & Contributions \\
 655                                 \hline
 656                                 \hline
 657                                 \rowcolor{platinum}
 658                                 Eleni Maria Stea & tests, Vulkan framework code \\
 659                                 \rowcolor{whitesmoke}
 660                                 Juan A. Suárez Romero & contributions στο framework, και στο
 661                                 vk-image-overwrite, testing \\
 662                                 \rowcolor{platinum}
 663                                 Tapani Pälli (\textit{\color{coolblack}{many thanks!}}) &
 664                                 reviews, testing και patches
 665                                 για το framework \\
 666                                 \rowcolor{whitesmoke}
 667                                 Bas Nieuwenhuizen & framework patch για να υποστηρίξουμε
 668                                 dedicated μνήμη \\
 669                                 \rowcolor{platinum}
 670                                 Topi Pohjolainen & πήραμε ιδέες από κάποια παλιά patches του στο ξεκίνημα\\
 671                                 \hline
 672                         \end{tabularx}
 673                 \end{table}
 674         }
 675
 676         \begin{itemize}
 677                 \item Επίσης ευχαριστίες στον Eduardo Lima Mitev και το Hyunjun Ko για
 678                         τα reviews τους και στο Germán Poo Caamaño που μας βοήθησε να βάλουμε
 679                         τάξη στα αρχικά commits του Vulkan framework.
 680                 \item Τέλος ελπίζω ότι δεν ξεχνάω κάποιον, αλλά επειδή τα slides
 681                         γράφτηκαν πριν την παρουσίαση περισσότερες πληροφορίες στο
 682                         \url{https://gitlab.freedesktop.org}!
 683         \end{itemize}
 684 \end{frame}
 685
 686 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 687
 688 \begin{frame}[fragile]
 689         \frametitle{Piglit Results}
 690         \begin{block}{\begin{center}Συμπεράσματα από τη δοκιμή των mesa drivers με
 691         τα tests:\end{center}}
 692                 \begin{itemize}
 693                                 \vspace{0.3cm}
 694                         \item Σχεδόν όλα τα τεστ περνούν στους προαναφερόμενους mesa drivers
 695                                 (iris, freedreno, radeonsi, i965).\\
 696                                 \vspace{0.3cm}
 697                         \item Δυστυχώς μόνο ο iris driver υποστηρίζει external depth
 698                                 buffers (Tapani Pälli) και κανένας mesa driver δεν υποστηρίζει το external stencil
 699                                 buffer. Ως τώρα μόνο ο proprietary Nvidia driver φαίνεται να
 700                                 υποστηρίζει και τα 2.\\
 701                                 \vspace{0.3cm}
 702                         \item Tα external buffers δεν υποστηρίζονταν στον
 703                                 radeonsi και τo διορθώσαμε.\\
 704                                 \vspace{0.3cm}
 705                 \end{itemize}
 706         \end{block}
 707
 708 \end{frame}
 709
 710 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 711
 712 %\begin{frame}[fragile]
 713 %       \frametitle{vk-image-overwrite}
 714 %       \begin{block}{vk-image-overwrite}
 715 %               \lstinline[language=C++, style=CStyle]{glCreateMemoryObjectsEXT(1, gl_mem_obj); }
 716 %       \end{block}
 717 %\end{frame}
 718
 719 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 720 \section[Αναφορές (ΕΝ)]{Αναφορές}
 721 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 722 %\setbeamertemplate{bibliography entry title}{}
 723 %\setbeamertemplate{bibliography entry location}{}
 724 %\setbeamertemplate{bibliography entry note}{}
 725 \setbeamerfont{bibliography item}{size=\footnotesize}
 726 \setbeamerfont{bibliography entry author}{size=\footnotesize}
 727 \setbeamerfont{bibliography entry title}{size=\footnotesize}
 728 \setbeamerfont{bibliography entry year}{size=\footnotesize}
 729 \setbeamerfont{bibliography entry note}{size=\footnotesize}
 730
 731 \begin{frame}[allowframebreaks]
 732         \frametitle{Links}
 733         \bibliographystyle{unsrt}
 734         \bibliography{bib/references.bib}
 735         \nocite{*}
 736 \end{frame}
 737
 738 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 739 \section[Q \& A]{Ερωτήσεις}
 740 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 741
 742 \begin{frame}
 743         \frametitle{Ερωτήσεις;}
 744         {\fontsize{8}{7}\selectfont
 745         \begin{center}
 746                 \begin{figure}
 747                 \includegraphics[scale=0.04]{data/qmark.png}
 748                 \end{figure}
 749                 \vspace{0.7cm}
 750                 {\large E-mail: {\color{coolblack}estea@igalia.com}}\\
 751                 {\large IRC/Freenode: {\color{coolblack}hikiko}}\\
 752         \end{center}
 753         }
 754 \end{frame}
 755
 756
 757 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 758
 759 \begin{frame}[plain]
 760 \begin{minipage}[b][0.6\textheight]{\linewidth}
 761         \begin{picture}(0, 0)
 762                 \put(0, -76){%
 763                         \pgfuseimage{igaliabglight}
 764                         }
 765                         \begin{minipage}[b][0.4\textheight]{\linewidth}
 766                                 \begin{figure}
 767                                         \includegraphics[scale=0.6]{data/mesa.png}
 768                                 \end{figure}
 769                         \end{minipage}
 770                 \put(-200, 0) {
 771                         \hfill \huge{\textbf{\color{coolblack}Ευχαριστώ!}}\\
 772                         }
 773         \end{picture}
 774 \end{minipage}
 775
 776 \end{frame}
 777 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 778
 779 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 780 \end{document}