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 *disp = 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 (disp->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 (!disp->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 (!disp->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 (!disp->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 (!disp->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 (!disp->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 (!disp->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 (!disp->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 (!disp->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 (!disp->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 (!disp->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 (!disp->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 (!disp->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 (!disp->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 (!disp->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 *disp, EGLint type,
 337                 _EGLConfig *conf, const EGLint *attrib_list,
 338                 void *native_surface)
 339 {
 340    const char *func;
 341    EGLint renderBuffer = EGL_BACK_BUFFER;
 342    EGLint swapBehavior = EGL_BUFFER_DESTROYED;
 343    EGLint err;
 344
 345    /* Swap behavior can be preserved only if config supports this. */
 346    if (conf->SurfaceType & EGL_SWAP_BEHAVIOR_PRESERVED_BIT)
 347       swapBehavior = EGL_BUFFER_PRESERVED;
 348
 349    switch (type) {
 350    case EGL_WINDOW_BIT:
 351       func = "eglCreateWindowSurface";
 352       swapBehavior = EGL_BUFFER_DESTROYED;
 353       break;
 354    case EGL_PIXMAP_BIT:
 355       func = "eglCreatePixmapSurface";
 356       renderBuffer = EGL_SINGLE_BUFFER;
 357       break;
 358    case EGL_PBUFFER_BIT:
 359       func = "eglCreatePBufferSurface";
 360       break;
 361    default:
 362       _eglLog(_EGL_WARNING, "Bad type in _eglInitSurface");
 363       return EGL_FALSE;
 364    }
 365
 366    if ((conf->SurfaceType & type) == 0)
 367       /* The config can't be used to create a surface of this type */
 368       return _eglError(EGL_BAD_MATCH, func);
 369
 370    _eglInitResource(&surf->Resource, sizeof(*surf), disp);
 371    surf->Type = type;
 372    surf->Config = conf;
 373    surf->Lost = EGL_FALSE;
 374
 375    surf->Width = 0;
 376    surf->Height = 0;
 377    surf->TextureFormat = EGL_NO_TEXTURE;
 378    surf->TextureTarget = EGL_NO_TEXTURE;
 379    surf->MipmapTexture = EGL_FALSE;
 380    surf->LargestPbuffer = EGL_FALSE;
 381    surf->RequestedRenderBuffer = renderBuffer;
 382    surf->ActiveRenderBuffer = renderBuffer;
 383    surf->VGAlphaFormat = EGL_VG_ALPHA_FORMAT_NONPRE;
 384    surf->VGColorspace = EGL_VG_COLORSPACE_sRGB;
 385    surf->GLColorspace = EGL_GL_COLORSPACE_LINEAR_KHR;
 386
 387    surf->MipmapLevel = 0;
 388    surf->MultisampleResolve = EGL_MULTISAMPLE_RESOLVE_DEFAULT;
 389    surf->SwapBehavior = swapBehavior;
 390
 391    surf->HorizontalResolution = EGL_UNKNOWN;
 392    surf->VerticalResolution = EGL_UNKNOWN;
 393    surf->AspectRatio = EGL_UNKNOWN;
 394
 395    surf->PostSubBufferSupportedNV = EGL_FALSE;
 396    surf->SetDamageRegionCalled = EGL_FALSE;
 397    surf->BufferAgeRead = EGL_FALSE;
 398
 399    /* the default swap interval is 1 */
 400    surf->SwapInterval = 1;
 401
 402    surf->HdrMetadata.display_primary_r.x = EGL_DONT_CARE;
 403    surf->HdrMetadata.display_primary_r.y = EGL_DONT_CARE;
 404    surf->HdrMetadata.display_primary_g.x = EGL_DONT_CARE;
 405    surf->HdrMetadata.display_primary_g.y = EGL_DONT_CARE;
 406    surf->HdrMetadata.display_primary_b.x = EGL_DONT_CARE;
 407    surf->HdrMetadata.display_primary_b.y = EGL_DONT_CARE;
 408    surf->HdrMetadata.white_point.x = EGL_DONT_CARE;
 409    surf->HdrMetadata.white_point.y = EGL_DONT_CARE;
 410    surf->HdrMetadata.max_luminance = EGL_DONT_CARE;
 411    surf->HdrMetadata.min_luminance = EGL_DONT_CARE;
 412    surf->HdrMetadata.max_cll = EGL_DONT_CARE;
 413    surf->HdrMetadata.max_fall = EGL_DONT_CARE;
 414
 415    err = _eglParseSurfaceAttribList(surf, attrib_list);
 416    if (err != EGL_SUCCESS)
 417       return _eglError(err, func);
 418
 419    /* if EGL_LARGEST_PBUFFER in use, clamp width and height */
 420    if (surf->LargestPbuffer) {
 421       surf->Width = MIN2(surf->Width, _EGL_MAX_PBUFFER_WIDTH);
 422       surf->Height = MIN2(surf->Height, _EGL_MAX_PBUFFER_HEIGHT);
 423    }
 424
 425    surf->NativeSurface = native_surface;
 426
 427    return EGL_TRUE;
 428 }
 429
 430
 431 EGLBoolean
 432 _eglQuerySurface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surface,
 433                  EGLint attribute, EGLint *value)
 434 {
 435    switch (attribute) {
 436    case EGL_WIDTH:
 437       *value = surface->Width;
 438       break;
 439    case EGL_HEIGHT:
 440       *value = surface->Height;
 441       break;
 442    case EGL_CONFIG_ID:
 443       *value = surface->Config->ConfigID;
 444       break;
 445    case EGL_LARGEST_PBUFFER:
 446       if (surface->Type == EGL_PBUFFER_BIT)
 447          *value = surface->LargestPbuffer;
 448       break;
 449    case EGL_TEXTURE_FORMAT:
 450       /* texture attributes: only for pbuffers, no error otherwise */
 451       if (surface->Type == EGL_PBUFFER_BIT)
 452          *value = surface->TextureFormat;
 453       break;
 454    case EGL_TEXTURE_TARGET:
 455       if (surface->Type == EGL_PBUFFER_BIT)
 456          *value = surface->TextureTarget;
 457       break;
 458    case EGL_MIPMAP_TEXTURE:
 459       if (surface->Type == EGL_PBUFFER_BIT)
 460          *value = surface->MipmapTexture;
 461       break;
 462    case EGL_MIPMAP_LEVEL:
 463       if (surface->Type == EGL_PBUFFER_BIT)
 464          *value = surface->MipmapLevel;
 465       break;
 466    case EGL_SWAP_BEHAVIOR:
 467       *value = surface->SwapBehavior;
 468       break;
 469    case EGL_RENDER_BUFFER:
 470       /* From the EGL_KHR_mutable_render_buffer spec (v12):
 471        *
 472        *    Querying EGL_RENDER_BUFFER returns the buffer which client API
 473        *    rendering is requested to use. For a window surface, this is the
 474        *    attribute value specified when the surface was created or last set
 475        *    via eglSurfaceAttrib.
 476        *
 477        * In other words, querying a window surface returns the value most
 478        * recently *requested* by the user.
 479        *
 480        * The paragraph continues in the EGL 1.5 spec (2014.08.27):
 481        *
 482        *    For a pbuffer surface, it is always EGL_BACK_BUFFER . For a pixmap
 483        *    surface, it is always EGL_SINGLE_BUFFER . To determine the actual
 484        *    buffer being rendered to by a context, call eglQueryContext.
 485        */
 486       switch (surface->Type) {
 487       default:
 488          unreachable("bad EGLSurface type");
 489       case EGL_WINDOW_BIT:
 490          *value = surface->RequestedRenderBuffer;
 491          break;
 492       case EGL_PBUFFER_BIT:
 493          *value = EGL_BACK_BUFFER;
 494          break;
 495       case EGL_PIXMAP_BIT:
 496          *value = EGL_SINGLE_BUFFER;
 497          break;
 498       }
 499       break;
 500    case EGL_PIXEL_ASPECT_RATIO:
 501       *value = surface->AspectRatio;
 502       break;
 503    case EGL_HORIZONTAL_RESOLUTION:
 504       *value = surface->HorizontalResolution;
 505       break;
 506    case EGL_VERTICAL_RESOLUTION:
 507       *value = surface->VerticalResolution;
 508       break;
 509    case EGL_MULTISAMPLE_RESOLVE:
 510       *value = surface->MultisampleResolve;
 511       break;
 512    case EGL_VG_ALPHA_FORMAT:
 513       *value = surface->VGAlphaFormat;
 514       break;
 515    case EGL_VG_COLORSPACE:
 516       *value = surface->VGColorspace;
 517       break;
 518    case EGL_GL_COLORSPACE_KHR:
 519       if (!disp->Extensions.KHR_gl_colorspace)
 520          return _eglError(EGL_BAD_ATTRIBUTE, "eglQuerySurface");
 521
 522       *value = surface->GLColorspace;
 523       break;
 524    case EGL_POST_SUB_BUFFER_SUPPORTED_NV:
 525       *value = surface->PostSubBufferSupportedNV;
 526       break;
 527    case EGL_BUFFER_AGE_EXT:
 528       /* Both EXT_buffer_age and KHR_partial_update accept EGL_BUFFER_AGE_EXT.
 529        * To be precise, the KHR one accepts EGL_BUFFER_AGE_KHR which is an
 530        * alias with the same numeric value.
 531        */
 532       if (!disp->Extensions.EXT_buffer_age &&
 533           !disp->Extensions.KHR_partial_update)
 534          return _eglError(EGL_BAD_ATTRIBUTE, "eglQuerySurface");
 535
 536       _EGLContext *ctx = _eglGetCurrentContext();
 537       EGLint result = drv->API.QueryBufferAge(drv, disp, surface);
 538       /* error happened */
 539       if (result < 0)
 540          return EGL_FALSE;
 541       if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
 542           ctx->DrawSurface != surface)
 543          return _eglError(EGL_BAD_SURFACE, "eglQuerySurface");
 544
 545       *value = result;
 546       surface->BufferAgeRead = EGL_TRUE;
 547       break;
 548    case EGL_SMPTE2086_DISPLAY_PRIMARY_RX_EXT:
 549       *value = surface->HdrMetadata.display_primary_r.x;
 550       break;
 551    case EGL_SMPTE2086_DISPLAY_PRIMARY_RY_EXT:
 552       *value = surface->HdrMetadata.display_primary_r.y;
 553       break;
 554    case EGL_SMPTE2086_DISPLAY_PRIMARY_GX_EXT:
 555       *value = surface->HdrMetadata.display_primary_g.x;
 556       break;
 557    case EGL_SMPTE2086_DISPLAY_PRIMARY_GY_EXT:
 558       *value = surface->HdrMetadata.display_primary_g.y;
 559       break;
 560    case EGL_SMPTE2086_DISPLAY_PRIMARY_BX_EXT:
 561       *value = surface->HdrMetadata.display_primary_b.x;
 562       break;
 563    case EGL_SMPTE2086_DISPLAY_PRIMARY_BY_EXT:
 564       *value = surface->HdrMetadata.display_primary_b.y;
 565       break;
 566    case EGL_SMPTE2086_WHITE_POINT_X_EXT:
 567       *value = surface->HdrMetadata.white_point.x;
 568       break;
 569    case EGL_SMPTE2086_WHITE_POINT_Y_EXT:
 570       *value = surface->HdrMetadata.white_point.y;
 571       break;
 572    case EGL_SMPTE2086_MAX_LUMINANCE_EXT:
 573       *value = surface->HdrMetadata.max_luminance;
 574       break;
 575    case EGL_SMPTE2086_MIN_LUMINANCE_EXT:
 576       *value = surface->HdrMetadata.min_luminance;
 577       break;
 578    case EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT:
 579       *value = surface->HdrMetadata.max_cll;
 580       break;
 581    case EGL_CTA861_3_MAX_FRAME_AVERAGE_LEVEL_EXT:
 582       *value = surface->HdrMetadata.max_fall;
 583       break;
 584    default:
 585       return _eglError(EGL_BAD_ATTRIBUTE, "eglQuerySurface");
 586    }
 587
 588    return EGL_TRUE;
 589 }
 590
 591
 592 /**
 593  * Default fallback routine - drivers might override this.
 594  */
 595 EGLBoolean
 596 _eglSurfaceAttrib(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surface,
 597                   EGLint attribute, EGLint value)
 598 {
 599    EGLint confval;
 600    EGLint err = EGL_SUCCESS;
 601    EGLint all_es_bits = EGL_OPENGL_ES_BIT |
 602                         EGL_OPENGL_ES2_BIT |
 603                         EGL_OPENGL_ES3_BIT_KHR;
 604
 605    switch (attribute) {
 606    case EGL_MIPMAP_LEVEL:
 607       confval = surface->Config->RenderableType;
 608       if (!(confval & all_es_bits)) {
 609          err = EGL_BAD_PARAMETER;
 610          break;
 611       }
 612       surface->MipmapLevel = value;
 613       break;
 614    case EGL_MULTISAMPLE_RESOLVE:
 615       switch (value) {
 616       case EGL_MULTISAMPLE_RESOLVE_DEFAULT:
 617          break;
 618       case EGL_MULTISAMPLE_RESOLVE_BOX:
 619          confval = surface->Config->SurfaceType;
 620          if (!(confval & EGL_MULTISAMPLE_RESOLVE_BOX_BIT))
 621             err = EGL_BAD_MATCH;
 622          break;
 623       default:
 624          err = EGL_BAD_ATTRIBUTE;
 625          break;
 626       }
 627       if (err != EGL_SUCCESS)
 628          break;
 629       surface->MultisampleResolve = value;
 630       break;
 631    case EGL_RENDER_BUFFER:
 632       if (!disp->Extensions.KHR_mutable_render_buffer) {
 633          err = EGL_BAD_ATTRIBUTE;
 634          break;
 635       }
 636
 637       if (value != EGL_BACK_BUFFER && value != EGL_SINGLE_BUFFER) {
 638          err = EGL_BAD_PARAMETER;
 639          break;
 640       }
 641
 642       /* From the EGL_KHR_mutable_render_buffer spec (v12):
 643        *
 644        *    If attribute is EGL_RENDER_BUFFER, and the EGL_SURFACE_TYPE
 645        *    attribute of the EGLConfig used to create surface does not contain
 646        *    EGL_MUTABLE_RENDER_BUFFER_BIT_KHR, [...] an EGL_BAD_MATCH error is
 647        *    generated [...].
 648        */
 649       if (!(surface->Config->SurfaceType & EGL_MUTABLE_RENDER_BUFFER_BIT_KHR)) {
 650          err = EGL_BAD_MATCH;
 651          break;
 652       }
 653
 654       surface->RequestedRenderBuffer = value;
 655       break;
 656    case EGL_SWAP_BEHAVIOR:
 657       switch (value) {
 658       case EGL_BUFFER_DESTROYED:
 659          break;
 660       case EGL_BUFFER_PRESERVED:
 661          confval = surface->Config->SurfaceType;
 662          if (!(confval & EGL_SWAP_BEHAVIOR_PRESERVED_BIT))
 663             err = EGL_BAD_MATCH;
 664          break;
 665       default:
 666          err = EGL_BAD_ATTRIBUTE;
 667          break;
 668       }
 669       if (err != EGL_SUCCESS)
 670          break;
 671       surface->SwapBehavior = value;
 672       break;
 673    case EGL_SMPTE2086_DISPLAY_PRIMARY_RX_EXT:
 674       surface->HdrMetadata.display_primary_r.x = value;
 675       break;
 676    case EGL_SMPTE2086_DISPLAY_PRIMARY_RY_EXT:
 677       surface->HdrMetadata.display_primary_r.y = value;
 678       break;
 679    case EGL_SMPTE2086_DISPLAY_PRIMARY_GX_EXT:
 680       surface->HdrMetadata.display_primary_g.x = value;
 681       break;
 682    case EGL_SMPTE2086_DISPLAY_PRIMARY_GY_EXT:
 683       surface->HdrMetadata.display_primary_g.y = value;
 684       break;
 685    case EGL_SMPTE2086_DISPLAY_PRIMARY_BX_EXT:
 686       surface->HdrMetadata.display_primary_b.x = value;
 687       break;
 688    case EGL_SMPTE2086_DISPLAY_PRIMARY_BY_EXT:
 689       surface->HdrMetadata.display_primary_b.y = value;
 690       break;
 691    case EGL_SMPTE2086_WHITE_POINT_X_EXT:
 692       surface->HdrMetadata.white_point.x = value;
 693       break;
 694    case EGL_SMPTE2086_WHITE_POINT_Y_EXT:
 695       surface->HdrMetadata.white_point.y = value;
 696       break;
 697    case EGL_SMPTE2086_MAX_LUMINANCE_EXT:
 698       surface->HdrMetadata.max_luminance = value;
 699       break;
 700    case EGL_SMPTE2086_MIN_LUMINANCE_EXT:
 701       surface->HdrMetadata.min_luminance = value;
 702       break;
 703    case EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT:
 704       surface->HdrMetadata.max_cll = value;
 705       break;
 706    case EGL_CTA861_3_MAX_FRAME_AVERAGE_LEVEL_EXT:
 707       surface->HdrMetadata.max_fall = value;
 708       break;
 709    default:
 710       err = EGL_BAD_ATTRIBUTE;
 711       break;
 712    }
 713
 714    if (err != EGL_SUCCESS)
 715       return _eglError(err, "eglSurfaceAttrib");
 716    return EGL_TRUE;
 717 }
 718
 719
 720 EGLBoolean
 721 _eglBindTexImage(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surface,
 722                  EGLint buffer)
 723 {
 724    EGLint texture_type = EGL_PBUFFER_BIT;
 725
 726    /* Just do basic error checking and return success/fail.
 727     * Drivers must implement the real stuff.
 728     */
 729
 730    if (disp->Extensions.NOK_texture_from_pixmap)
 731       texture_type |= EGL_PIXMAP_BIT;
 732
 733    if (!(surface->Type & texture_type))
 734       return _eglError(EGL_BAD_SURFACE, "eglBindTexImage");
 735
 736    if (surface->TextureFormat == EGL_NO_TEXTURE)
 737       return _eglError(EGL_BAD_MATCH, "eglBindTexImage");
 738
 739    if (surface->TextureTarget == EGL_NO_TEXTURE)
 740       return _eglError(EGL_BAD_MATCH, "eglBindTexImage");
 741
 742    if (buffer != EGL_BACK_BUFFER)
 743       return _eglError(EGL_BAD_PARAMETER, "eglBindTexImage");
 744
 745    surface->BoundToTexture = EGL_TRUE;
 746
 747    return EGL_TRUE;
 748 }
 749
 750 EGLBoolean
 751 _eglReleaseTexImage(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
 752                     EGLint buffer)
 753 {
 754    /* Just do basic error checking and return success/fail.
 755     * Drivers must implement the real stuff.
 756     */
 757
 758    EGLint texture_type = EGL_PBUFFER_BIT;
 759
 760    if (surf == EGL_NO_SURFACE)
 761       return _eglError(EGL_BAD_SURFACE, "eglReleaseTexImage");
 762
 763    if (!surf->BoundToTexture)
 764    {
 765       /* Not an error, simply nothing to do */
 766       return EGL_TRUE;
 767    }
 768
 769    if (surf->TextureFormat == EGL_NO_TEXTURE)
 770       return _eglError(EGL_BAD_MATCH, "eglReleaseTexImage");
 771
 772    if (buffer != EGL_BACK_BUFFER)
 773       return _eglError(EGL_BAD_PARAMETER, "eglReleaseTexImage");
 774
 775    if (disp->Extensions.NOK_texture_from_pixmap)
 776       texture_type |= EGL_PIXMAP_BIT;
 777
 778    if (!(surf->Type & texture_type))
 779       return _eglError(EGL_BAD_SURFACE, "eglReleaseTexImage");
 780
 781    surf->BoundToTexture = EGL_FALSE;
 782
 783    return EGL_TRUE;
 784 }
 785
 786
 787 EGLBoolean
 788 _eglSwapInterval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
 789                  EGLint interval)
 790 {
 791    return EGL_TRUE;
 792 }
 793
 794 EGLBoolean
 795 _eglSurfaceHasMutableRenderBuffer(_EGLSurface *surf)
 796 {
 797    return surf->Type == EGL_WINDOW_BIT &&
 798           surf->Config &&
 799           (surf->Config->SurfaceType & EGL_MUTABLE_RENDER_BUFFER_BIT_KHR);
 800 }
 801
 802 EGLBoolean
 803 _eglSurfaceInSharedBufferMode(_EGLSurface *surf)
 804 {
 805    return _eglSurfaceHasMutableRenderBuffer(surf) &&
 806           surf->ActiveRenderBuffer == EGL_SINGLE_BUFFER;
 807 }