src/egl/main/eglsurface.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 VMware, Inc.
   4  * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
   5  * Copyright 2010 LunarG, Inc.
   6  * All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the
  10  * "Software"), to deal in the Software without restriction, including
  11  * without limitation the rights to use, copy, modify, merge, publish,
  12  * distribute, sub license, and/or sell copies of the Software, and to
  13  * permit persons to whom the Software is furnished to do so, subject to
  14  * the following conditions:
  15  *
  16  * The above copyright notice and this permission notice (including the
  17  * next paragraph) shall be included in all copies or substantial portions
  18  * of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  21  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  23  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  24  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  25  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  26  * DEALINGS IN THE SOFTWARE.
  27  *
  28  **************************************************************************/
  29
  30
  31 /**
  32  * Surface-related functions.
  33  */
  34
  35
  36 #include <assert.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include "egldefines.h"
  40 #include "egldisplay.h"
  41 #include "egldriver.h"
  42 #include "eglcontext.h"
  43 #include "eglconfig.h"
  44 #include "eglcurrent.h"
  45 #include "egllog.h"
  46 #include "eglsurface.h"
  47
  48 #include "util/macros.h"
  49
  50 /**
  51  * Parse the list of surface attributes and return the proper error code.
  52  */
  53 static EGLint
  54 _eglParseSurfaceAttribList(_EGLSurface *surf, const EGLint *attrib_list)
  55 {
  56    _EGLDisplay *dpy = surf->Resource.Display;
  57    EGLint type = surf->Type;
  58    EGLint texture_type = EGL_PBUFFER_BIT;
  59    EGLint i, err = EGL_SUCCESS;
  60    EGLint attr = EGL_NONE;
  61    EGLint val = EGL_NONE;
  62
  63    if (!attrib_list)
  64       return EGL_SUCCESS;
  65
  66    if (dpy->Extensions.NOK_texture_from_pixmap)
  67       texture_type |= EGL_PIXMAP_BIT;
  68
  69    for (i = 0; attrib_list[i] != EGL_NONE; i++) {
  70       attr = attrib_list[i++];
  71       val = attrib_list[i];
  72
  73       switch (attr) {
  74       /* common attributes */
  75       case EGL_GL_COLORSPACE_KHR:
  76          if (!dpy->Extensions.KHR_gl_colorspace) {
  77             err = EGL_BAD_ATTRIBUTE;
  78             break;
  79          }
  80          switch (val) {
  81          case EGL_GL_COLORSPACE_SRGB_KHR:
  82          case EGL_GL_COLORSPACE_LINEAR_KHR:
  83             break;
  84          default:
  85             err = EGL_BAD_ATTRIBUTE;
  86          }
  87          if (err != EGL_SUCCESS)
  88             break;
  89          surf->GLColorspace = val;
  90          break;
  91       case EGL_SMPTE2086_DISPLAY_PRIMARY_RX_EXT:
  92          if (!dpy->Extensions.EXT_surface_SMPTE2086_metadata) {
  93             err = EGL_BAD_ATTRIBUTE;
  94             break;
  95          }
  96          surf->HdrMetadata.display_primary_r.x = val;
  97          break;
  98       case EGL_SMPTE2086_DISPLAY_PRIMARY_RY_EXT:
  99          if (!dpy->Extensions.EXT_surface_SMPTE2086_metadata) {
 100             err = EGL_BAD_ATTRIBUTE;
 101             break;
 102          }
 103          surf->HdrMetadata.display_primary_r.y = val;
 104          break;
 105       case EGL_SMPTE2086_DISPLAY_PRIMARY_GX_EXT:
 106          if (!dpy->Extensions.EXT_surface_SMPTE2086_metadata) {
 107             err = EGL_BAD_ATTRIBUTE;
 108             break;
 109          }
 110          surf->HdrMetadata.display_primary_g.x = val;
 111          break;
 112       case EGL_SMPTE2086_DISPLAY_PRIMARY_GY_EXT:
 113          if (!dpy->Extensions.EXT_surface_SMPTE2086_metadata) {
 114             err = EGL_BAD_ATTRIBUTE;
 115             break;
 116          }
 117          surf->HdrMetadata.display_primary_g.y = val;
 118          break;
 119       case EGL_SMPTE2086_DISPLAY_PRIMARY_BX_EXT:
 120          if (!dpy->Extensions.EXT_surface_SMPTE2086_metadata) {
 121             err = EGL_BAD_ATTRIBUTE;
 122             break;
 123          }
 124          surf->HdrMetadata.display_primary_b.x = val;
 125          break;
 126       case EGL_SMPTE2086_DISPLAY_PRIMARY_BY_EXT:
 127          if (!dpy->Extensions.EXT_surface_SMPTE2086_metadata) {
 128             err = EGL_BAD_ATTRIBUTE;
 129             break;
 130          }
 131          surf->HdrMetadata.display_primary_b.y = val;
 132          break;
 133       case EGL_SMPTE2086_WHITE_POINT_X_EXT:
 134          if (!dpy->Extensions.EXT_surface_SMPTE2086_metadata) {
 135             err = EGL_BAD_ATTRIBUTE;
 136             break;
 137          }
 138          surf->HdrMetadata.white_point.x = val;
 139          break;
 140       case EGL_SMPTE2086_WHITE_POINT_Y_EXT:
 141          if (!dpy->Extensions.EXT_surface_SMPTE2086_metadata) {
 142             err = EGL_BAD_ATTRIBUTE;
 143             break;
 144          }
 145          surf->HdrMetadata.white_point.y = val;
 146          break;
 147       case EGL_SMPTE2086_MAX_LUMINANCE_EXT:
 148          if (!dpy->Extensions.EXT_surface_SMPTE2086_metadata) {
 149             err = EGL_BAD_ATTRIBUTE;
 150             break;
 151          }
 152          surf->HdrMetadata.max_luminance = val;
 153          break;
 154       case EGL_SMPTE2086_MIN_LUMINANCE_EXT:
 155          if (!dpy->Extensions.EXT_surface_SMPTE2086_metadata) {
 156             err = EGL_BAD_ATTRIBUTE;
 157             break;
 158          }
 159          surf->HdrMetadata.min_luminance = val;
 160          break;
 161       case EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT:
 162          if (!dpy->Extensions.EXT_surface_CTA861_3_metadata) {
 163             err = EGL_BAD_ATTRIBUTE;
 164             break;
 165          }
 166          surf->HdrMetadata.max_cll = val;
 167          break;
 168       case EGL_CTA861_3_MAX_FRAME_AVERAGE_LEVEL_EXT:
 169          if (!dpy->Extensions.EXT_surface_CTA861_3_metadata) {
 170             err = EGL_BAD_ATTRIBUTE;
 171             break;
 172          }
 173          surf->HdrMetadata.max_fall = val;
 174          break;
 175       case EGL_VG_COLORSPACE:
 176          switch (val) {
 177          case EGL_VG_COLORSPACE_sRGB:
 178          case EGL_VG_COLORSPACE_LINEAR:
 179             break;
 180          default:
 181             err = EGL_BAD_ATTRIBUTE;
 182             break;
 183          }
 184          if (err != EGL_SUCCESS)
 185             break;
 186          surf->VGColorspace = val;
 187          break;
 188       case EGL_VG_ALPHA_FORMAT:
 189          switch (val) {
 190          case EGL_VG_ALPHA_FORMAT_NONPRE:
 191          case EGL_VG_ALPHA_FORMAT_PRE:
 192             break;
 193          default:
 194             err = EGL_BAD_ATTRIBUTE;
 195             break;
 196          }
 197          if (err != EGL_SUCCESS)
 198             break;
 199          surf->VGAlphaFormat = val;
 200          break;
 201       /* window surface attributes */
 202       case EGL_RENDER_BUFFER:
 203          if (type != EGL_WINDOW_BIT) {
 204             err = EGL_BAD_ATTRIBUTE;
 205             break;
 206          }
 207          if (val != EGL_BACK_BUFFER && val != EGL_SINGLE_BUFFER) {
 208             err = EGL_BAD_ATTRIBUTE;
 209             break;
 210          }
 211          surf->RequestedRenderBuffer = val;
 212          if (surf->Config->SurfaceType & EGL_MUTABLE_RENDER_BUFFER_BIT_KHR) {
 213             /* Unlike normal EGLSurfaces, one with a mutable render buffer
 214              * uses the application-chosen render buffer.
 215              */
 216             surf->ActiveRenderBuffer = val;
 217          }
 218          break;
 219       case EGL_POST_SUB_BUFFER_SUPPORTED_NV:
 220          if (!dpy->Extensions.NV_post_sub_buffer ||
 221              type != EGL_WINDOW_BIT) {
 222             err = EGL_BAD_ATTRIBUTE;
 223             break;
 224          }
 225          if (val != EGL_TRUE && val != EGL_FALSE) {
 226             err = EGL_BAD_PARAMETER;
 227             break;
 228          }
 229          surf->PostSubBufferSupportedNV = val;
 230          break;
 231       /* pbuffer surface attributes */
 232       case EGL_WIDTH:
 233          if (type != EGL_PBUFFER_BIT) {
 234             err = EGL_BAD_ATTRIBUTE;
 235             break;
 236          }
 237          if (val < 0) {
 238             err = EGL_BAD_PARAMETER;
 239             break;
 240          }
 241          surf->Width = val;
 242          break;
 243       case EGL_HEIGHT:
 244          if (type != EGL_PBUFFER_BIT) {
 245             err = EGL_BAD_ATTRIBUTE;
 246             break;
 247          }
 248          if (val < 0) {
 249             err = EGL_BAD_PARAMETER;
 250             break;
 251          }
 252          surf->Height = val;
 253          break;
 254       case EGL_LARGEST_PBUFFER:
 255          if (type != EGL_PBUFFER_BIT) {
 256             err = EGL_BAD_ATTRIBUTE;
 257             break;
 258          }
 259          surf->LargestPbuffer = !!val;
 260          break;
 261       /* for eglBindTexImage */
 262       case EGL_TEXTURE_FORMAT:
 263          if (!(type & texture_type)) {
 264             err = EGL_BAD_ATTRIBUTE;
 265             break;
 266          }
 267
 268          switch (val) {
 269          case EGL_TEXTURE_RGB:
 270          case EGL_TEXTURE_RGBA:
 271          case EGL_NO_TEXTURE:
 272             break;
 273          default:
 274             err = EGL_BAD_ATTRIBUTE;
 275             break;
 276          }
 277          if (err != EGL_SUCCESS)
 278             break;
 279          surf->TextureFormat = val;
 280          break;
 281       case EGL_TEXTURE_TARGET:
 282          if (!(type & texture_type)) {
 283             err = EGL_BAD_ATTRIBUTE;
 284             break;
 285          }
 286
 287          switch (val) {
 288          case EGL_TEXTURE_2D:
 289          case EGL_NO_TEXTURE:
 290             break;
 291          default:
 292             err = EGL_BAD_ATTRIBUTE;
 293             break;
 294          }
 295          if (err != EGL_SUCCESS)
 296             break;
 297          surf->TextureTarget = val;
 298          break;
 299       case EGL_MIPMAP_TEXTURE:
 300          if (!(type & texture_type)) {
 301             err = EGL_BAD_ATTRIBUTE;
 302             break;
 303          }
 304          surf->MipmapTexture = !!val;
 305          break;
 306       /* no pixmap surface specific attributes */
 307       default:
 308          err = EGL_BAD_ATTRIBUTE;
 309          break;
 310       }
 311
 312       if (err != EGL_SUCCESS)
 313          break;
 314    }
 315
 316    if (err == EGL_SUCCESS && type == EGL_PBUFFER_BIT) {
 317       if ((surf->TextureTarget == EGL_NO_TEXTURE && surf->TextureFormat != EGL_NO_TEXTURE) ||
 318           (surf->TextureFormat == EGL_NO_TEXTURE && surf->TextureTarget != EGL_NO_TEXTURE)) {
 319          attr = surf->TextureTarget == EGL_NO_TEXTURE ? EGL_TEXTURE_TARGET : EGL_TEXTURE_FORMAT;
 320          err = EGL_BAD_MATCH;
 321       }
 322    }
 323
 324    if (err != EGL_SUCCESS)
 325       _eglLog(_EGL_WARNING, "bad surface attribute 0x%04x", attr);
 326
 327    return err;
 328 }
 329
 330
 331 /**
 332  * Do error check on parameters and initialize the given _EGLSurface object.
 333  * \return EGL_TRUE if no errors, EGL_FALSE otherwise.
 334  */
 335 EGLBoolean
 336 _eglInitSurface(_EGLSurface *surf, _EGLDisplay *dpy, EGLint type,
 337                 _EGLConfig *conf, const EGLint *attrib_list)
 338 {
 339    const char *func;
 340    EGLint renderBuffer = EGL_BACK_BUFFER;
 341    EGLint swapBehavior = EGL_BUFFER_DESTROYED;
 342    EGLint err;
 343
 344    /* Swap behavior can be preserved only if config supports this. */
 345    if (conf->SurfaceType & EGL_SWAP_BEHAVIOR_PRESERVED_BIT)
 346       swapBehavior = EGL_BUFFER_PRESERVED;
 347
 348    switch (type) {
 349    case EGL_WINDOW_BIT:
 350       func = "eglCreateWindowSurface";
 351       swapBehavior = EGL_BUFFER_DESTROYED;
 352       break;
 353    case EGL_PIXMAP_BIT:
 354       func = "eglCreatePixmapSurface";
 355       renderBuffer = EGL_SINGLE_BUFFER;
 356       break;
 357    case EGL_PBUFFER_BIT:
 358       func = "eglCreatePBufferSurface";
 359       break;
 360    default:
 361       _eglLog(_EGL_WARNING, "Bad type in _eglInitSurface");
 362       return EGL_FALSE;
 363    }
 364
 365    if ((conf->SurfaceType & type) == 0)
 366       /* The config can't be used to create a surface of this type */
 367       return _eglError(EGL_BAD_MATCH, func);
 368
 369    _eglInitResource(&surf->Resource, sizeof(*surf), dpy);
 370    surf->Type = type;
 371    surf->Config = conf;
 372    surf->Lost = EGL_FALSE;
 373
 374    surf->Width = 0;
 375    surf->Height = 0;
 376    surf->TextureFormat = EGL_NO_TEXTURE;
 377    surf->TextureTarget = EGL_NO_TEXTURE;
 378    surf->MipmapTexture = EGL_FALSE;
 379    surf->LargestPbuffer = EGL_FALSE;
 380    surf->RequestedRenderBuffer = renderBuffer;
 381    surf->ActiveRenderBuffer = renderBuffer;
 382    surf->VGAlphaFormat = EGL_VG_ALPHA_FORMAT_NONPRE;
 383    surf->VGColorspace = EGL_VG_COLORSPACE_sRGB;
 384    surf->GLColorspace = EGL_GL_COLORSPACE_LINEAR_KHR;
 385
 386    surf->MipmapLevel = 0;
 387    surf->MultisampleResolve = EGL_MULTISAMPLE_RESOLVE_DEFAULT;
 388    surf->SwapBehavior = swapBehavior;
 389
 390    surf->HorizontalResolution = EGL_UNKNOWN;
 391    surf->VerticalResolution = EGL_UNKNOWN;
 392    surf->AspectRatio = EGL_UNKNOWN;
 393
 394    surf->PostSubBufferSupportedNV = EGL_FALSE;
 395    surf->SetDamageRegionCalled = EGL_FALSE;
 396    surf->BufferAgeRead = EGL_FALSE;
 397
 398    /* the default swap interval is 1 */
 399    surf->SwapInterval = 1;
 400
 401    surf->HdrMetadata.display_primary_r.x = EGL_DONT_CARE;
 402    surf->HdrMetadata.display_primary_r.y = EGL_DONT_CARE;
 403    surf->HdrMetadata.display_primary_g.x = EGL_DONT_CARE;
 404    surf->HdrMetadata.display_primary_g.y = EGL_DONT_CARE;
 405    surf->HdrMetadata.display_primary_b.x = EGL_DONT_CARE;
 406    surf->HdrMetadata.display_primary_b.y = EGL_DONT_CARE;
 407    surf->HdrMetadata.white_point.x = EGL_DONT_CARE;
 408    surf->HdrMetadata.white_point.y = EGL_DONT_CARE;
 409    surf->HdrMetadata.max_luminance = EGL_DONT_CARE;
 410    surf->HdrMetadata.min_luminance = EGL_DONT_CARE;
 411    surf->HdrMetadata.max_cll = EGL_DONT_CARE;
 412    surf->HdrMetadata.max_fall = EGL_DONT_CARE;
 413
 414    err = _eglParseSurfaceAttribList(surf, attrib_list);
 415    if (err != EGL_SUCCESS)
 416       return _eglError(err, func);
 417
 418    /* if EGL_LARGEST_PBUFFER in use, clamp width and height */
 419    if (surf->LargestPbuffer) {
 420       surf->Width = MIN2(surf->Width, _EGL_MAX_PBUFFER_WIDTH);
 421       surf->Height = MIN2(surf->Height, _EGL_MAX_PBUFFER_HEIGHT);
 422    }
 423
 424    return EGL_TRUE;
 425 }
 426
 427
 428 EGLBoolean
 429 _eglQuerySurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface,
 430                  EGLint attribute, EGLint *value)
 431 {
 432    switch (attribute) {
 433    case EGL_WIDTH:
 434       *value = surface->Width;
 435       break;
 436    case EGL_HEIGHT:
 437       *value = surface->Height;
 438       break;
 439    case EGL_CONFIG_ID:
 440       *value = surface->Config->ConfigID;
 441       break;
 442    case EGL_LARGEST_PBUFFER:
 443       if (surface->Type == EGL_PBUFFER_BIT)
 444          *value = surface->LargestPbuffer;
 445       break;
 446    case EGL_TEXTURE_FORMAT:
 447       /* texture attributes: only for pbuffers, no error otherwise */
 448       if (surface->Type == EGL_PBUFFER_BIT)
 449          *value = surface->TextureFormat;
 450       break;
 451    case EGL_TEXTURE_TARGET:
 452       if (surface->Type == EGL_PBUFFER_BIT)
 453          *value = surface->TextureTarget;
 454       break;
 455    case EGL_MIPMAP_TEXTURE:
 456       if (surface->Type == EGL_PBUFFER_BIT)
 457          *value = surface->MipmapTexture;
 458       break;
 459    case EGL_MIPMAP_LEVEL:
 460       if (surface->Type == EGL_PBUFFER_BIT)
 461          *value = surface->MipmapLevel;
 462       break;
 463    case EGL_SWAP_BEHAVIOR:
 464       *value = surface->SwapBehavior;
 465       break;
 466    case EGL_RENDER_BUFFER:
 467       /* From the EGL_KHR_mutable_render_buffer spec (v12):
 468        *
 469        *    Querying EGL_RENDER_BUFFER returns the buffer which client API
 470        *    rendering is requested to use. For a window surface, this is the
 471        *    attribute value specified when the surface was created or last set
 472        *    via eglSurfaceAttrib.
 473        *
 474        * In other words, querying a window surface returns the value most
 475        * recently *requested* by the user.
 476        *
 477        * The paragraph continues in the EGL 1.5 spec (2014.08.27):
 478        *
 479        *    For a pbuffer surface, it is always EGL_BACK_BUFFER . For a pixmap
 480        *    surface, it is always EGL_SINGLE_BUFFER . To determine the actual
 481        *    buffer being rendered to by a context, call eglQueryContext.
 482        */
 483       switch (surface->Type) {
 484       default:
 485          unreachable("bad EGLSurface type");
 486       case EGL_WINDOW_BIT:
 487          *value = surface->RequestedRenderBuffer;
 488          break;
 489       case EGL_PBUFFER_BIT:
 490          *value = EGL_BACK_BUFFER;
 491          break;
 492       case EGL_PIXMAP_BIT:
 493          *value = EGL_SINGLE_BUFFER;
 494          break;
 495       }
 496       break;
 497    case EGL_PIXEL_ASPECT_RATIO:
 498       *value = surface->AspectRatio;
 499       break;
 500    case EGL_HORIZONTAL_RESOLUTION:
 501       *value = surface->HorizontalResolution;
 502       break;
 503    case EGL_VERTICAL_RESOLUTION:
 504       *value = surface->VerticalResolution;
 505       break;
 506    case EGL_MULTISAMPLE_RESOLVE:
 507       *value = surface->MultisampleResolve;
 508       break;
 509    case EGL_VG_ALPHA_FORMAT:
 510       *value = surface->VGAlphaFormat;
 511       break;
 512    case EGL_VG_COLORSPACE:
 513       *value = surface->VGColorspace;
 514       break;
 515    case EGL_GL_COLORSPACE_KHR:
 516       if (!dpy->Extensions.KHR_gl_colorspace)
 517          return _eglError(EGL_BAD_ATTRIBUTE, "eglQuerySurface");
 518
 519       *value = surface->GLColorspace;
 520       break;
 521    case EGL_POST_SUB_BUFFER_SUPPORTED_NV:
 522       *value = surface->PostSubBufferSupportedNV;
 523       break;
 524    case EGL_BUFFER_AGE_EXT:
 525       if (!dpy->Extensions.EXT_buffer_age)
 526          return _eglError(EGL_BAD_ATTRIBUTE, "eglQuerySurface");
 527
 528       _EGLContext *ctx = _eglGetCurrentContext();
 529       EGLint result = drv->API.QueryBufferAge(drv, dpy, surface);
 530       /* error happened */
 531       if (result < 0)
 532          return EGL_FALSE;
 533       if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
 534           ctx->DrawSurface != surface)
 535          return _eglError(EGL_BAD_SURFACE, "eglQuerySurface");
 536
 537       *value = result;
 538       surface->BufferAgeRead = EGL_TRUE;
 539       break;
 540    case EGL_SMPTE2086_DISPLAY_PRIMARY_RX_EXT:
 541       *value = surface->HdrMetadata.display_primary_r.x;
 542       break;
 543    case EGL_SMPTE2086_DISPLAY_PRIMARY_RY_EXT:
 544       *value = surface->HdrMetadata.display_primary_r.y;
 545       break;
 546    case EGL_SMPTE2086_DISPLAY_PRIMARY_GX_EXT:
 547       *value = surface->HdrMetadata.display_primary_g.x;
 548       break;
 549    case EGL_SMPTE2086_DISPLAY_PRIMARY_GY_EXT:
 550       *value = surface->HdrMetadata.display_primary_g.y;
 551       break;
 552    case EGL_SMPTE2086_DISPLAY_PRIMARY_BX_EXT:
 553       *value = surface->HdrMetadata.display_primary_b.x;
 554       break;
 555    case EGL_SMPTE2086_DISPLAY_PRIMARY_BY_EXT:
 556       *value = surface->HdrMetadata.display_primary_b.y;
 557       break;
 558    case EGL_SMPTE2086_WHITE_POINT_X_EXT:
 559       *value = surface->HdrMetadata.white_point.x;
 560       break;
 561    case EGL_SMPTE2086_WHITE_POINT_Y_EXT:
 562       *value = surface->HdrMetadata.white_point.y;
 563       break;
 564    case EGL_SMPTE2086_MAX_LUMINANCE_EXT:
 565       *value = surface->HdrMetadata.max_luminance;
 566       break;
 567    case EGL_SMPTE2086_MIN_LUMINANCE_EXT:
 568       *value = surface->HdrMetadata.min_luminance;
 569       break;
 570    case EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT:
 571       *value = surface->HdrMetadata.max_cll;
 572       break;
 573    case EGL_CTA861_3_MAX_FRAME_AVERAGE_LEVEL_EXT:
 574       *value = surface->HdrMetadata.max_fall;
 575       break;
 576    default:
 577       return _eglError(EGL_BAD_ATTRIBUTE, "eglQuerySurface");
 578    }
 579
 580    return EGL_TRUE;
 581 }
 582
 583
 584 /**
 585  * Default fallback routine - drivers might override this.
 586  */
 587 EGLBoolean
 588 _eglSurfaceAttrib(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface,
 589                   EGLint attribute, EGLint value)
 590 {
 591    EGLint confval;
 592    EGLint err = EGL_SUCCESS;
 593    EGLint all_es_bits = EGL_OPENGL_ES_BIT |
 594                         EGL_OPENGL_ES2_BIT |
 595                         EGL_OPENGL_ES3_BIT_KHR;
 596
 597    switch (attribute) {
 598    case EGL_MIPMAP_LEVEL:
 599       confval = surface->Config->RenderableType;
 600       if (!(confval & all_es_bits)) {
 601          err = EGL_BAD_PARAMETER;
 602          break;
 603       }
 604       surface->MipmapLevel = value;
 605       break;
 606    case EGL_MULTISAMPLE_RESOLVE:
 607       switch (value) {
 608       case EGL_MULTISAMPLE_RESOLVE_DEFAULT:
 609          break;
 610       case EGL_MULTISAMPLE_RESOLVE_BOX:
 611          confval = surface->Config->SurfaceType;
 612          if (!(confval & EGL_MULTISAMPLE_RESOLVE_BOX_BIT))
 613             err = EGL_BAD_MATCH;
 614          break;
 615       default:
 616          err = EGL_BAD_ATTRIBUTE;
 617          break;
 618       }
 619       if (err != EGL_SUCCESS)
 620          break;
 621       surface->MultisampleResolve = value;
 622       break;
 623    case EGL_RENDER_BUFFER:
 624       if (!dpy->Extensions.KHR_mutable_render_buffer) {
 625          err = EGL_BAD_ATTRIBUTE;
 626          break;
 627       }
 628
 629       if (value != EGL_BACK_BUFFER && value != EGL_SINGLE_BUFFER) {
 630          err = EGL_BAD_PARAMETER;
 631          break;
 632       }
 633
 634       /* From the EGL_KHR_mutable_render_buffer spec (v12):
 635        *
 636        *    If attribute is EGL_RENDER_BUFFER, and the EGL_SURFACE_TYPE
 637        *    attribute of the EGLConfig used to create surface does not contain
 638        *    EGL_MUTABLE_RENDER_BUFFER_BIT_KHR, [...] an EGL_BAD_MATCH error is
 639        *    generated [...].
 640        */
 641       if (!(surface->Config->SurfaceType & EGL_MUTABLE_RENDER_BUFFER_BIT_KHR)) {
 642          err = EGL_BAD_MATCH;
 643          break;
 644       }
 645
 646       surface->RequestedRenderBuffer = value;
 647       break;
 648    case EGL_SWAP_BEHAVIOR:
 649       switch (value) {
 650       case EGL_BUFFER_DESTROYED:
 651          break;
 652       case EGL_BUFFER_PRESERVED:
 653          confval = surface->Config->SurfaceType;
 654          if (!(confval & EGL_SWAP_BEHAVIOR_PRESERVED_BIT))
 655             err = EGL_BAD_MATCH;
 656          break;
 657       default:
 658          err = EGL_BAD_ATTRIBUTE;
 659          break;
 660       }
 661       if (err != EGL_SUCCESS)
 662          break;
 663       surface->SwapBehavior = value;
 664       break;
 665    case EGL_SMPTE2086_DISPLAY_PRIMARY_RX_EXT:
 666       surface->HdrMetadata.display_primary_r.x = value;
 667       break;
 668    case EGL_SMPTE2086_DISPLAY_PRIMARY_RY_EXT:
 669       surface->HdrMetadata.display_primary_r.y = value;
 670       break;
 671    case EGL_SMPTE2086_DISPLAY_PRIMARY_GX_EXT:
 672       surface->HdrMetadata.display_primary_g.x = value;
 673       break;
 674    case EGL_SMPTE2086_DISPLAY_PRIMARY_GY_EXT:
 675       surface->HdrMetadata.display_primary_g.y = value;
 676       break;
 677    case EGL_SMPTE2086_DISPLAY_PRIMARY_BX_EXT:
 678       surface->HdrMetadata.display_primary_b.x = value;
 679       break;
 680    case EGL_SMPTE2086_DISPLAY_PRIMARY_BY_EXT:
 681       surface->HdrMetadata.display_primary_b.y = value;
 682       break;
 683    case EGL_SMPTE2086_WHITE_POINT_X_EXT:
 684       surface->HdrMetadata.white_point.x = value;
 685       break;
 686    case EGL_SMPTE2086_WHITE_POINT_Y_EXT:
 687       surface->HdrMetadata.white_point.y = value;
 688       break;
 689    case EGL_SMPTE2086_MAX_LUMINANCE_EXT:
 690       surface->HdrMetadata.max_luminance = value;
 691       break;
 692    case EGL_SMPTE2086_MIN_LUMINANCE_EXT:
 693       surface->HdrMetadata.min_luminance = value;
 694       break;
 695    case EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT:
 696       surface->HdrMetadata.max_cll = value;
 697       break;
 698    case EGL_CTA861_3_MAX_FRAME_AVERAGE_LEVEL_EXT:
 699       surface->HdrMetadata.max_fall = value;
 700       break;
 701    default:
 702       err = EGL_BAD_ATTRIBUTE;
 703       break;
 704    }
 705
 706    if (err != EGL_SUCCESS)
 707       return _eglError(err, "eglSurfaceAttrib");
 708    return EGL_TRUE;
 709 }
 710
 711
 712 EGLBoolean
 713 _eglBindTexImage(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface,
 714                  EGLint buffer)
 715 {
 716    EGLint texture_type = EGL_PBUFFER_BIT;
 717
 718    /* Just do basic error checking and return success/fail.
 719     * Drivers must implement the real stuff.
 720     */
 721
 722    if (dpy->Extensions.NOK_texture_from_pixmap)
 723       texture_type |= EGL_PIXMAP_BIT;
 724
 725    if (!(surface->Type & texture_type))
 726       return _eglError(EGL_BAD_SURFACE, "eglBindTexImage");
 727
 728    if (surface->TextureFormat == EGL_NO_TEXTURE)
 729       return _eglError(EGL_BAD_MATCH, "eglBindTexImage");
 730
 731    if (surface->TextureTarget == EGL_NO_TEXTURE)
 732       return _eglError(EGL_BAD_MATCH, "eglBindTexImage");
 733
 734    if (buffer != EGL_BACK_BUFFER)
 735       return _eglError(EGL_BAD_PARAMETER, "eglBindTexImage");
 736
 737    surface->BoundToTexture = EGL_TRUE;
 738
 739    return EGL_TRUE;
 740 }
 741
 742 EGLBoolean
 743 _eglReleaseTexImage(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
 744                     EGLint buffer)
 745 {
 746    /* Just do basic error checking and return success/fail.
 747     * Drivers must implement the real stuff.
 748     */
 749
 750    EGLint texture_type = EGL_PBUFFER_BIT;
 751
 752    if (surf == EGL_NO_SURFACE)
 753       return _eglError(EGL_BAD_SURFACE, "eglReleaseTexImage");
 754
 755    if (!surf->BoundToTexture)
 756    {
 757       /* Not an error, simply nothing to do */
 758       return EGL_TRUE;
 759    }
 760
 761    if (surf->TextureFormat == EGL_NO_TEXTURE)
 762       return _eglError(EGL_BAD_MATCH, "eglReleaseTexImage");
 763
 764    if (buffer != EGL_BACK_BUFFER)
 765       return _eglError(EGL_BAD_PARAMETER, "eglReleaseTexImage");
 766
 767    if (dpy->Extensions.NOK_texture_from_pixmap)
 768       texture_type |= EGL_PIXMAP_BIT;
 769
 770    if (!(surf->Type & texture_type))
 771       return _eglError(EGL_BAD_SURFACE, "eglReleaseTexImage");
 772
 773    surf->BoundToTexture = EGL_FALSE;
 774
 775    return EGL_TRUE;
 776 }
 777
 778
 779 EGLBoolean
 780 _eglSwapInterval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
 781                  EGLint interval)
 782 {
 783    return EGL_TRUE;
 784 }
 785
 786 EGLBoolean
 787 _eglSurfaceHasMutableRenderBuffer(_EGLSurface *surf)
 788 {
 789    return surf->Type == EGL_WINDOW_BIT &&
 790           surf->Config &&
 791           (surf->Config->SurfaceType & EGL_MUTABLE_RENDER_BUFFER_BIT_KHR);
 792 }
 793
 794 EGLBoolean
 795 _eglSurfaceInSharedBufferMode(_EGLSurface *surf)
 796 {
 797    return _eglSurfaceHasMutableRenderBuffer(surf) &&
 798           surf->ActiveRenderBuffer == EGL_SINGLE_BUFFER;
 799 }