modules/glshared/glsFboCompletenessTests.cpp

   1 /*-------------------------------------------------------------------------
   2  * drawElements Quality Program OpenGL (ES) Module
   3  * -----------------------------------------------
   4  *
   5  * Copyright 2014 The Android Open Source Project
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  *//*!
  20  * \file
  21  * \brief Framebuffer completeness tests.
  22  *//*--------------------------------------------------------------------*/
  23
  24 #include "glsFboCompletenessTests.hpp"
  25
  26 #include "gluStrUtil.hpp"
  27 #include "gluObjectWrapper.hpp"
  28 #include "deStringUtil.hpp"
  29
  30 #include <cctype>
  31 #include <iterator>
  32 #include <algorithm>
  33
  34 using namespace glw;
  35 using glu::RenderContext;
  36 using glu::getFramebufferStatusName;
  37 using glu::getPixelFormatName;
  38 using glu::getTypeName;
  39 using glu::getErrorName;
  40 using glu::Framebuffer;
  41 using tcu::TestCase;
  42 using tcu::TestCaseGroup;
  43 using tcu::TestLog;
  44 using tcu::MessageBuilder;
  45 using tcu::TestNode;
  46 using std::string;
  47 using de::toString;
  48 using de::toLower;
  49 using namespace deqp::gls::FboUtil;
  50 using namespace deqp::gls::FboUtil::config;
  51 typedef TestCase::IterateResult IterateResult;
  52
  53 namespace deqp
  54 {
  55 namespace gls
  56 {
  57 namespace fboc
  58 {
  59
  60 namespace details
  61 {
  62
  63 // The following extensions are applicable both to ES2 and ES3.
  64
  65 // GL_OES_depth_texture
  66 static const FormatKey s_oesDepthTextureFormats[] =
  67 {
  68         GLS_UNSIZED_FORMATKEY(GL_DEPTH_COMPONENT,       GL_UNSIGNED_SHORT),
  69         GLS_UNSIZED_FORMATKEY(GL_DEPTH_COMPONENT,       GL_UNSIGNED_INT),
  70 };
  71
  72 // GL_OES_packed_depth_stencil
  73 static const FormatKey s_oesPackedDepthStencilSizedFormats[] =
  74 {
  75         GL_DEPTH24_STENCIL8,
  76 };
  77
  78 static const FormatKey s_oesPackedDepthStencilTexFormats[] =
  79 {
  80         GLS_UNSIZED_FORMATKEY(GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8),
  81 };
  82
  83 // GL_OES_required_internalformat
  84 static const FormatKey s_oesRequiredInternalFormatColorFormats[] =
  85 {
  86         // Same as ES2 RBO formats, plus RGBA8 (even without OES_rgb8_rgba8)
  87         GL_RGB5_A1, GL_RGBA8, GL_RGBA4, GL_RGB565
  88 };
  89
  90 static const FormatKey s_oesRequiredInternalFormatDepthFormats[] =
  91 {
  92         GL_DEPTH_COMPONENT16,
  93 };
  94
  95 // GL_EXT_color_buffer_half_float
  96 static const FormatKey s_extColorBufferHalfFloatFormats[] =
  97 {
  98         GL_RGBA16F, GL_RGB16F, GL_RG16F, GL_R16F,
  99 };
 100
 101 static const FormatKey s_oesDepth24SizedFormats[] =
 102 {
 103         GL_DEPTH_COMPONENT24
 104 };
 105
 106 static const FormatKey s_oesDepth32SizedFormats[] =
 107 {
 108         GL_DEPTH_COMPONENT32
 109 };
 110
 111 static const FormatKey s_oesRgb8Rgba8RboFormats[] =
 112 {
 113         GL_RGB8,
 114         GL_RGBA8,
 115 };
 116
 117 static const FormatKey s_oesRequiredInternalFormatRgb8ColorFormat[] =
 118 {
 119         GL_RGB8,
 120 };
 121
 122 static const FormatKey s_extTextureType2101010RevFormats[] =
 123 {
 124         GLS_UNSIZED_FORMATKEY(GL_RGBA,  GL_UNSIGNED_INT_2_10_10_10_REV),
 125         GLS_UNSIZED_FORMATKEY(GL_RGB,   GL_UNSIGNED_INT_2_10_10_10_REV),
 126 };
 127
 128 static const FormatKey s_oesRequiredInternalFormat10bitColorFormats[] =
 129 {
 130         GL_RGB10_A2, GL_RGB10,
 131 };
 132
 133 static const FormatKey s_extTextureRgRboFormats[] =
 134 {
 135         GL_R8, GL_RG8,
 136 };
 137
 138 static const FormatKey s_extTextureRgTexFormats[] =
 139 {
 140         GLS_UNSIZED_FORMATKEY(GL_RED,   GL_UNSIGNED_BYTE),
 141         GLS_UNSIZED_FORMATKEY(GL_RG,    GL_UNSIGNED_BYTE),
 142 };
 143
 144 static const FormatKey s_extTextureRgFloatTexFormats[] =
 145 {
 146         GLS_UNSIZED_FORMATKEY(GL_RED,   GL_FLOAT),
 147         GLS_UNSIZED_FORMATKEY(GL_RG,    GL_FLOAT),
 148 };
 149
 150 static const FormatKey s_extTextureRgHalfFloatTexFormats[] =
 151 {
 152         GLS_UNSIZED_FORMATKEY(GL_RED,   GL_HALF_FLOAT_OES),
 153         GLS_UNSIZED_FORMATKEY(GL_RG,    GL_HALF_FLOAT_OES),
 154 };
 155
 156 static const FormatKey s_nvPackedFloatRboFormats[] =
 157 {
 158         GL_R11F_G11F_B10F,
 159 };
 160
 161 static const FormatKey s_nvPackedFloatTexFormats[] =
 162 {
 163         GLS_UNSIZED_FORMATKEY(GL_RGB,   GL_UNSIGNED_INT_10F_11F_11F_REV),
 164 };
 165
 166 static const FormatKey s_extSrgbRboFormats[] =
 167 {
 168         GL_SRGB8_ALPHA8,
 169 };
 170
 171 static const FormatKey s_extSrgbRenderableTexFormats[] =
 172 {
 173         GLS_UNSIZED_FORMATKEY(GL_SRGB_ALPHA,    GL_UNSIGNED_BYTE),
 174 };
 175
 176 static const FormatKey s_extSrgbNonRenderableTexFormats[] =
 177 {
 178         GLS_UNSIZED_FORMATKEY(GL_SRGB,                  GL_UNSIGNED_BYTE),
 179         GL_SRGB8,
 180 };
 181
 182 static const FormatKey s_nvSrgbFormatsRboFormats[] =
 183 {
 184         GL_SRGB8,
 185 };
 186
 187 static const FormatKey s_nvSrgbFormatsTextureFormats[] =
 188 {
 189         GL_SRGB8,
 190
 191         // The extension does not actually require any unsized format
 192         // to be renderable. However, the renderablility of unsized
 193         // SRGB,UBYTE internalformat-type pair is implied.
 194         GLS_UNSIZED_FORMATKEY(GL_SRGB,                  GL_UNSIGNED_BYTE),
 195 };
 196
 197 static const FormatKey s_oesRgb8Rgba8TexFormats[] =
 198 {
 199         GLS_UNSIZED_FORMATKEY(GL_RGB,           GL_UNSIGNED_BYTE),
 200         GLS_UNSIZED_FORMATKEY(GL_RGBA,          GL_UNSIGNED_BYTE),
 201 };
 202
 203 static const FormatKey s_extTextureSRGBR8Formats[] =
 204 {
 205         GL_SR8_EXT,
 206 };
 207
 208 static const FormatKey s_extTextureSRGBRG8Formats[] =
 209 {
 210         GL_SRG8_EXT,
 211 };
 212
 213 static const FormatExtEntry s_esExtFormats[] =
 214 {
 215         {
 216                 "GL_OES_depth_texture",
 217                 REQUIRED_RENDERABLE | DEPTH_RENDERABLE | TEXTURE_VALID,
 218                 GLS_ARRAY_RANGE(s_oesDepthTextureFormats),
 219         },
 220         {
 221                 "GL_OES_packed_depth_stencil",
 222                 REQUIRED_RENDERABLE | DEPTH_RENDERABLE | STENCIL_RENDERABLE | RENDERBUFFER_VALID,
 223                 GLS_ARRAY_RANGE(s_oesPackedDepthStencilSizedFormats)
 224         },
 225         {
 226                 "GL_OES_packed_depth_stencil GL_OES_required_internalformat",
 227                 TEXTURE_VALID,
 228                 GLS_ARRAY_RANGE(s_oesPackedDepthStencilSizedFormats)
 229         },
 230         {
 231                 "GL_OES_packed_depth_stencil",
 232                 DEPTH_RENDERABLE | STENCIL_RENDERABLE | TEXTURE_VALID,
 233                 GLS_ARRAY_RANGE(s_oesPackedDepthStencilTexFormats)
 234         },
 235         // \todo [2013-12-10 lauri] Find out if OES_texture_half_float is really a
 236         // requirement on ES3 also. Or is color_buffer_half_float applicatble at
 237         // all on ES3, since there's also EXT_color_buffer_float?
 238         {
 239                 "GL_OES_texture_half_float GL_EXT_color_buffer_half_float",
 240                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 241                 GLS_ARRAY_RANGE(s_extColorBufferHalfFloatFormats)
 242         },
 243
 244         // OES_required_internalformat doesn't actually specify that these are renderable,
 245         // since it was written against ES 1.1.
 246         {
 247                 "GL_OES_required_internalformat",
 248                  // Allow but don't require RGBA8 to be color-renderable if
 249                  // OES_rgb8_rgba8 is not present.
 250                 COLOR_RENDERABLE | TEXTURE_VALID,
 251                 GLS_ARRAY_RANGE(s_oesRequiredInternalFormatColorFormats)
 252         },
 253         {
 254                 "GL_OES_required_internalformat",
 255                 DEPTH_RENDERABLE | TEXTURE_VALID,
 256                 GLS_ARRAY_RANGE(s_oesRequiredInternalFormatDepthFormats)
 257         },
 258         {
 259                 "GL_EXT_texture_rg",
 260                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 261                 GLS_ARRAY_RANGE(s_extTextureRgRboFormats)
 262         },
 263         // These are not specified to be color-renderable, but the wording is
 264         // exactly as ambiguous as the wording in the ES2 spec.
 265         {
 266                 "GL_EXT_texture_rg",
 267                 COLOR_RENDERABLE | TEXTURE_VALID,
 268                 GLS_ARRAY_RANGE(s_extTextureRgTexFormats)
 269         },
 270         {
 271                 "GL_EXT_texture_rg GL_OES_texture_float",
 272                 COLOR_RENDERABLE | TEXTURE_VALID,
 273                 GLS_ARRAY_RANGE(s_extTextureRgFloatTexFormats)
 274         },
 275         {
 276                 "GL_EXT_texture_rg GL_OES_texture_half_float",
 277                 COLOR_RENDERABLE | TEXTURE_VALID,
 278                 GLS_ARRAY_RANGE(s_extTextureRgHalfFloatTexFormats)
 279         },
 280
 281         {
 282                 "GL_NV_packed_float",
 283                 COLOR_RENDERABLE | TEXTURE_VALID,
 284                 GLS_ARRAY_RANGE(s_nvPackedFloatTexFormats)
 285         },
 286         {
 287                 "GL_NV_packed_float GL_EXT_color_buffer_half_float",
 288                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 289                 GLS_ARRAY_RANGE(s_nvPackedFloatRboFormats)
 290         },
 291
 292         // Some Tegra drivers report GL_EXT_packed_float even for ES. Treat it as
 293         // a synonym for the NV_ version.
 294         {
 295                 "GL_EXT_packed_float",
 296                 COLOR_RENDERABLE | TEXTURE_VALID,
 297                 GLS_ARRAY_RANGE(s_nvPackedFloatTexFormats)
 298         },
 299         {
 300                 "GL_EXT_packed_float GL_EXT_color_buffer_half_float",
 301                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 302                 GLS_ARRAY_RANGE(s_nvPackedFloatRboFormats)
 303         },
 304
 305         {
 306                 "GL_EXT_sRGB",
 307                 COLOR_RENDERABLE | TEXTURE_VALID,
 308                 GLS_ARRAY_RANGE(s_extSrgbRenderableTexFormats)
 309         },
 310         {
 311                 "GL_EXT_sRGB",
 312                 TEXTURE_VALID,
 313                 GLS_ARRAY_RANGE(s_extSrgbNonRenderableTexFormats)
 314         },
 315         {
 316                 "GL_EXT_sRGB",
 317                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 318                 GLS_ARRAY_RANGE(s_extSrgbRboFormats)
 319         },
 320         {
 321                 "GL_NV_sRGB_formats",
 322                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 323                 GLS_ARRAY_RANGE(s_nvSrgbFormatsRboFormats)
 324         },
 325         {
 326                 "GL_NV_sRGB_formats",
 327                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | TEXTURE_VALID,
 328                 GLS_ARRAY_RANGE(s_nvSrgbFormatsTextureFormats)
 329         },
 330
 331          // In Khronos bug 7333 discussion, the consensus is that these texture
 332          // formats, at least, should be color-renderable. Still, that cannot be
 333          // found in any extension specs, so only allow it, not require it.
 334         {
 335                 "GL_OES_rgb8_rgba8",
 336                 COLOR_RENDERABLE | TEXTURE_VALID,
 337                 GLS_ARRAY_RANGE(s_oesRgb8Rgba8TexFormats)
 338         },
 339         {
 340                 "GL_OES_rgb8_rgba8",
 341                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 342                 GLS_ARRAY_RANGE(s_oesRgb8Rgba8RboFormats)
 343         },
 344         {
 345                 "GL_OES_rgb8_rgba8 GL_OES_required_internalformat",
 346                 TEXTURE_VALID,
 347                 GLS_ARRAY_RANGE(s_oesRequiredInternalFormatRgb8ColorFormat)
 348         },
 349
 350         // The depth-renderability of the depth RBO formats is not explicitly
 351         // spelled out, but all renderbuffer formats are meant to be renderable.
 352         {
 353                 "GL_OES_depth24",
 354                 REQUIRED_RENDERABLE | DEPTH_RENDERABLE | RENDERBUFFER_VALID,
 355                 GLS_ARRAY_RANGE(s_oesDepth24SizedFormats)
 356         },
 357         {
 358                 "GL_OES_depth24 GL_OES_required_internalformat GL_OES_depth_texture",
 359                 TEXTURE_VALID,
 360                 GLS_ARRAY_RANGE(s_oesDepth24SizedFormats)
 361         },
 362
 363         {
 364                 "GL_OES_depth32",
 365                 REQUIRED_RENDERABLE | DEPTH_RENDERABLE | RENDERBUFFER_VALID,
 366                 GLS_ARRAY_RANGE(s_oesDepth32SizedFormats)
 367         },
 368         {
 369                 "GL_OES_depth32 GL_OES_required_internalformat GL_OES_depth_texture",
 370                 TEXTURE_VALID,
 371                 GLS_ARRAY_RANGE(s_oesDepth32SizedFormats)
 372         },
 373
 374         {
 375                 "GL_EXT_texture_type_2_10_10_10_REV",
 376                 TEXTURE_VALID, // explicitly unrenderable
 377                 GLS_ARRAY_RANGE(s_extTextureType2101010RevFormats)
 378         },
 379         {
 380                 "GL_EXT_texture_type_2_10_10_10_REV GL_OES_required_internalformat",
 381                 TEXTURE_VALID, // explicitly unrenderable
 382                 GLS_ARRAY_RANGE(s_oesRequiredInternalFormat10bitColorFormats)
 383         },
 384
 385         {
 386                 "GL_EXT_texture_sRGB_R8",
 387                 TEXTURE_VALID,
 388                 GLS_ARRAY_RANGE(s_extTextureSRGBR8Formats)
 389         },
 390         {
 391                 "GL_EXT_texture_sRGB_RG8",
 392                 TEXTURE_VALID,
 393                 GLS_ARRAY_RANGE(s_extTextureSRGBRG8Formats)
 394         },
 395 };
 396
 397 Context::Context (TestContext& testCtx,
 398                                   RenderContext& renderCtx,
 399                                   CheckerFactory& factory)
 400         : m_testCtx                             (testCtx)
 401         , m_renderCtx                   (renderCtx)
 402         , m_verifier                    (m_ctxFormats, factory)
 403         , m_haveMultiColorAtts  (false)
 404 {
 405         FormatExtEntries extRange = GLS_ARRAY_RANGE(s_esExtFormats);
 406         addExtFormats(extRange);
 407 }
 408
 409 void Context::addFormats (FormatEntries fmtRange)
 410 {
 411         FboUtil::addFormats(m_coreFormats, fmtRange);
 412         FboUtil::addFormats(m_ctxFormats, fmtRange);
 413         FboUtil::addFormats(m_allFormats, fmtRange);
 414 }
 415
 416 void Context::addExtFormats (FormatExtEntries extRange)
 417 {
 418         FboUtil::addExtFormats(m_ctxFormats, extRange, &m_renderCtx);
 419         FboUtil::addExtFormats(m_allFormats, extRange, DE_NULL);
 420 }
 421
 422 void TestBase::pass (void)
 423 {
 424         m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
 425 }
 426
 427 void TestBase::qualityWarning (const char* msg)
 428 {
 429         m_testCtx.setTestResult(QP_TEST_RESULT_QUALITY_WARNING, msg);
 430 }
 431
 432 void TestBase::fail (const char* msg)
 433 {
 434         m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, msg);
 435 }
 436
 437 const glw::Functions& gl (const TestBase& test)
 438 {
 439         return test.getContext().getRenderContext().getFunctions();
 440 }
 441
 442 static bool isFormatFeatureSupported (const FormatDB& db, const ImageFormat& format, FormatFlags feature)
 443 {
 444         return db.isKnownFormat(format) && ((db.getFormatInfo(format) & feature) == feature);
 445 }
 446
 447 static void logAffectingExtensions (const char* prefix, const FormatDB& db, const ImageFormat& format, FormatFlags feature, tcu::MessageBuilder& msg)
 448 {
 449         const std::set<std::set<std::string> > rows = db.getFormatFeatureExtensions(format, feature);
 450
 451         for (std::set<std::set<std::string> >::const_iterator rowIt = rows.begin(); rowIt != rows.end(); ++rowIt)
 452         {
 453                 const std::set<std::string>&                    requiredExtensions      = *rowIt;
 454                 std::set<std::string>::const_iterator   it                                      = requiredExtensions.begin();
 455                 std::string                                                             extName;
 456
 457                 msg << prefix;
 458
 459                 extName = *it++;
 460                 while (it != requiredExtensions.end())
 461                 {
 462                         msg << extName;
 463                         extName = *it++;
 464                         msg << (it == requiredExtensions.end() ? " and " : ", ");
 465                 }
 466
 467                 msg << extName << '\n';
 468         }
 469 }
 470
 471 static void logFormatInfo (const config::Framebuffer& fbo, const FormatDB& ctxFormats, const FormatDB& coreFormats, const FormatDB& allFormats, tcu::TestLog& log)
 472 {
 473         static const struct
 474         {
 475                 const char*                     name;
 476                 const FormatFlags       flag;
 477         } s_renderability[] =
 478         {
 479                 { "color-renderable",   COLOR_RENDERABLE        },
 480                 { "depth-renderable",   DEPTH_RENDERABLE        },
 481                 { "stencil-renderable", STENCIL_RENDERABLE      },
 482         };
 483
 484         std::set<ImageFormat> formats;
 485
 486         for (config::TextureMap::const_iterator it = fbo.textures.begin(); it != fbo.textures.end(); ++it)
 487                 formats.insert(it->second->internalFormat);
 488         for (config::RboMap::const_iterator it = fbo.rbos.begin(); it != fbo.rbos.end(); ++it)
 489                 formats.insert(it->second->internalFormat);
 490
 491         if (!formats.empty())
 492         {
 493                 const tcu::ScopedLogSection supersection(log, "Format", "Format info");
 494
 495                 for (std::set<ImageFormat>::const_iterator it = formats.begin(); it != formats.end(); ++it)
 496                 {
 497                         const tcu::ScopedLogSection section(log, "FormatInfo", de::toString(*it));
 498
 499                         // texture validity
 500                         if (isFormatFeatureSupported(ctxFormats, *it, TEXTURE_VALID))
 501                         {
 502                                 tcu::MessageBuilder msg(&log);
 503                                 msg << "* Valid texture format\n";
 504
 505                                 if (isFormatFeatureSupported(coreFormats, *it, TEXTURE_VALID))
 506                                         msg << "\t* core feature";
 507                                 else
 508                                 {
 509                                         msg << "\t* defined in supported extension(s):\n";
 510                                         logAffectingExtensions("\t\t- ", ctxFormats, *it, TEXTURE_VALID, msg);
 511                                 }
 512
 513                                 msg << tcu::TestLog::EndMessage;
 514                         }
 515                         else
 516                         {
 517                                 tcu::MessageBuilder msg(&log);
 518                                 msg << "* Unsupported texture format\n";
 519
 520                                 if (isFormatFeatureSupported(allFormats, *it, TEXTURE_VALID))
 521                                 {
 522                                         msg << "\t* requires any of the extensions or combinations:\n";
 523                                         logAffectingExtensions("\t\t- ", allFormats, *it, TEXTURE_VALID, msg);
 524                                 }
 525                                 else
 526                                         msg << "\t* no extension can make this format valid";
 527
 528                                 msg << tcu::TestLog::EndMessage;
 529                         }
 530
 531                         // RBO validity
 532                         if (isFormatFeatureSupported(ctxFormats, *it, RENDERBUFFER_VALID))
 533                         {
 534                                 tcu::MessageBuilder msg(&log);
 535                                 msg << "* Valid renderbuffer format\n";
 536
 537                                 if (isFormatFeatureSupported(coreFormats, *it, RENDERBUFFER_VALID))
 538                                         msg << "\t* core feature";
 539                                 else
 540                                 {
 541                                         msg << "\t* defined in supported extension(s):\n";
 542                                         logAffectingExtensions("\t\t- ", ctxFormats, *it, RENDERBUFFER_VALID, msg);
 543                                 }
 544
 545                                 msg << tcu::TestLog::EndMessage;
 546                         }
 547                         else
 548                         {
 549                                 tcu::MessageBuilder msg(&log);
 550                                 msg << "* Unsupported renderbuffer format\n";
 551
 552                                 if (isFormatFeatureSupported(allFormats, *it, RENDERBUFFER_VALID))
 553                                 {
 554                                         msg << "\t* requires any of the extensions or combinations:\n";
 555                                         logAffectingExtensions("\t\t- ", allFormats, *it, RENDERBUFFER_VALID, msg);
 556                                 }
 557                                 else
 558                                         msg << "\t* no extension can make this format valid";
 559
 560                                 msg << tcu::TestLog::EndMessage;
 561                         }
 562
 563                         // renderability
 564                         for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_renderability); ++ndx)
 565                         {
 566                                 if (isFormatFeatureSupported(ctxFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE))
 567                                 {
 568                                         tcu::MessageBuilder msg(&log);
 569                                         msg << "* Format is " << s_renderability[ndx].name << "\n";
 570
 571                                         if (isFormatFeatureSupported(coreFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE))
 572                                                 msg << "\t* core feature";
 573                                         else
 574                                         {
 575                                                 msg << "\t* defined in supported extension(s):\n";
 576                                                 logAffectingExtensions("\t\t- ", ctxFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE, msg);
 577                                         }
 578
 579                                         msg << tcu::TestLog::EndMessage;
 580                                 }
 581                                 else if (isFormatFeatureSupported(ctxFormats, *it, s_renderability[ndx].flag))
 582                                 {
 583                                         tcu::MessageBuilder msg(&log);
 584                                         msg << "* Format is allowed to be " << s_renderability[ndx].name << " but not required\n";
 585
 586                                         if (isFormatFeatureSupported(coreFormats, *it, s_renderability[ndx].flag))
 587                                                 msg << "\t* core feature";
 588                                         else if (isFormatFeatureSupported(allFormats, *it, s_renderability[ndx].flag))
 589                                         {
 590                                                 msg << "\t* extensions that would make format " << s_renderability[ndx].name << ":\n";
 591                                                 logAffectingExtensions("\t\t- ", allFormats, *it, s_renderability[ndx].flag, msg);
 592                                         }
 593                                         else
 594                                                 msg << "\t* no extension can make this format " << s_renderability[ndx].name;
 595
 596                                         msg << tcu::TestLog::EndMessage;
 597                                 }
 598                                 else
 599                                 {
 600                                         tcu::MessageBuilder msg(&log);
 601                                         msg << "* Format is NOT " << s_renderability[ndx].name << "\n";
 602
 603                                         if (isFormatFeatureSupported(allFormats, *it, s_renderability[ndx].flag))
 604                                         {
 605                                                 if (isFormatFeatureSupported(allFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE))
 606                                                 {
 607                                                         msg << "\t* extensions that would make format " << s_renderability[ndx].name << ":\n";
 608                                                         logAffectingExtensions("\t\t- ", allFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE, msg);
 609                                                 }
 610                                                 else
 611                                                 {
 612                                                         msg << "\t* extensions that are allowed to make format " << s_renderability[ndx].name << ":\n";
 613                                                         logAffectingExtensions("\t\t- ", allFormats, *it, s_renderability[ndx].flag, msg);
 614                                                 }
 615                                         }
 616                                         else
 617                                                 msg << "\t* no extension can make this format " << s_renderability[ndx].name;
 618
 619                                         msg << tcu::TestLog::EndMessage;
 620                                 }
 621                         }
 622                 }
 623         }
 624 }
 625
 626 IterateResult TestBase::iterate (void)
 627 {
 628         glu::Framebuffer                fbo                     (m_ctx.getRenderContext());
 629         FboBuilder                              builder         (*fbo, GL_FRAMEBUFFER, gl(*this));
 630         const IterateResult             ret                     = build(builder);
 631         const ValidStatusCodes  reference       = m_ctx.getVerifier().validStatusCodes(builder);
 632         const GLenum                    errorCode       = builder.getError();
 633
 634         logFramebufferConfig(builder, m_testCtx.getLog());
 635         logFormatInfo(builder, m_ctx.getCtxFormats(), m_ctx.getCoreFormats(), m_ctx.getAllFormats(), m_testCtx.getLog());
 636         reference.logRules(m_testCtx.getLog());
 637         reference.logLegalResults(m_testCtx.getLog());
 638
 639         // \todo [2013-12-04 lauri] Check if drawing operations succeed.
 640
 641         if (errorCode != GL_NO_ERROR)
 642         {
 643                 m_testCtx.getLog()
 644                         << TestLog::Message
 645                         << "Received " << glu::getErrorStr(errorCode) << " (during FBO initialization)."
 646                         << TestLog::EndMessage;
 647
 648                 if (reference.isErrorCodeValid(errorCode))
 649                         pass();
 650                 else if (reference.isErrorCodeRequired(GL_NO_ERROR))
 651                         fail(("Expected no error but got " + de::toString(glu::getErrorStr(errorCode))).c_str());
 652                 else
 653                         fail("Got wrong error code");
 654         }
 655         else
 656         {
 657                 const GLenum    fboStatus       = gl(*this).checkFramebufferStatus(GL_FRAMEBUFFER);
 658                 const bool              validStatus     = reference.isFBOStatusValid(fboStatus);
 659
 660                 m_testCtx.getLog()
 661                         << TestLog::Message
 662                         << "Received " << glu::getFramebufferStatusStr(fboStatus) << "."
 663                         << TestLog::EndMessage;
 664
 665                 if (!validStatus)
 666                 {
 667                         if (fboStatus == GL_FRAMEBUFFER_COMPLETE)
 668                                 fail("Framebuffer checked as complete, expected incomplete");
 669                         else if (reference.isFBOStatusRequired(GL_FRAMEBUFFER_COMPLETE))
 670                                 fail("Framebuffer checked is incomplete, expected complete");
 671                         else
 672                                 // An incomplete status is allowed, but not _this_ incomplete status.
 673                                 fail("Framebuffer checked as incomplete, but with wrong status");
 674                 }
 675                 else if (fboStatus != GL_FRAMEBUFFER_COMPLETE && reference.isFBOStatusValid(GL_FRAMEBUFFER_COMPLETE))
 676                         qualityWarning("Framebuffer object could have checked as complete but did not.");
 677                 else
 678                         pass();
 679         }
 680
 681         return ret;
 682 }
 683
 684 IterateResult TestBase::build (FboBuilder& builder)
 685 {
 686         DE_UNREF(builder);
 687         return STOP;
 688 }
 689
 690 ImageFormat TestBase::getDefaultFormat (GLenum attPoint, GLenum bufType) const
 691 {
 692         if (bufType == GL_NONE)
 693         {
 694                 return ImageFormat::none();
 695         }
 696
 697         // Prefer a standard format, if there is one, but if not, use a format
 698         // provided by an extension.
 699         Formats formats = m_ctx.getCoreFormats().getFormats(formatFlag(attPoint) |
 700                                                                                                                  formatFlag(bufType));
 701         Formats::const_iterator it = formats.begin();
 702         if (it == formats.end())
 703         {
 704                 formats = m_ctx.getCtxFormats().getFormats(formatFlag(attPoint) |
 705                                                                                                          formatFlag(bufType));
 706                 it = formats.begin();
 707         }
 708         if (it == formats.end())
 709                 throw tcu::NotSupportedError("Unsupported attachment kind for attachment point",
 710                                                                          "", __FILE__, __LINE__);
 711         return *it;
 712 };
 713
 714 Image* makeImage (GLenum bufType, ImageFormat format,
 715                                   GLsizei width, GLsizei height, FboBuilder& builder)
 716 {
 717         Image* image = DE_NULL;
 718         switch (bufType)
 719         {
 720                 case GL_NONE:
 721                         return DE_NULL;
 722                 case GL_RENDERBUFFER:
 723                         image = &builder.makeConfig<Renderbuffer>();
 724                         break;
 725                 case GL_TEXTURE:
 726                         image = &builder.makeConfig<Texture2D>();
 727                         break;
 728                 default:
 729                         DE_ASSERT(!"Impossible case");
 730         }
 731         image->internalFormat = format;
 732         image->width = width;
 733         image->height = height;
 734         return image;
 735 }
 736
 737 Attachment* makeAttachment (GLenum bufType, ImageFormat format,
 738                                                         GLsizei width, GLsizei height, FboBuilder& builder)
 739 {
 740         Image* const imgCfg = makeImage (bufType, format, width, height, builder);
 741         Attachment* att = DE_NULL;
 742         GLuint img = 0;
 743
 744         if (Renderbuffer* rboCfg = dynamic_cast<Renderbuffer*>(imgCfg))
 745         {
 746                 img = builder.glCreateRbo(*rboCfg);
 747                 att = &builder.makeConfig<RenderbufferAttachment>();
 748         }
 749         else if (Texture2D* texCfg = dynamic_cast<Texture2D*>(imgCfg))
 750         {
 751                 img = builder.glCreateTexture(*texCfg);
 752                 TextureFlatAttachment& texAtt = builder.makeConfig<TextureFlatAttachment>();
 753                 texAtt.texTarget = GL_TEXTURE_2D;
 754                 att = &texAtt;
 755         }
 756         else
 757         {
 758                 DE_ASSERT(imgCfg == DE_NULL);
 759                 return DE_NULL;
 760         }
 761         att->imageName = img;
 762         return att;
 763 }
 764
 765 void TestBase::attachTargetToNew (GLenum target, GLenum bufType, ImageFormat format,
 766                                                                   GLsizei width, GLsizei height, FboBuilder& builder)
 767 {
 768         ImageFormat imgFmt = format;
 769         if (imgFmt.format == GL_NONE)
 770                 imgFmt = getDefaultFormat(target, bufType);
 771
 772         const Attachment* const att = makeAttachment(bufType, imgFmt, width, height, builder);
 773         builder.glAttach(target, att);
 774 }
 775
 776 static string formatName (ImageFormat format)
 777 {
 778         const string s = getPixelFormatName(format.format);
 779         const string fmtStr = toLower(s.substr(3));
 780
 781         if (format.unsizedType != GL_NONE)
 782         {
 783                 const string typeStr = getTypeName(format.unsizedType);
 784                 return fmtStr + "_" + toLower(typeStr.substr(3));
 785         }
 786
 787         return fmtStr;
 788 }
 789
 790 static string formatDesc (ImageFormat format)
 791 {
 792         const string fmtStr = getPixelFormatName(format.format);
 793
 794         if (format.unsizedType != GL_NONE)
 795         {
 796                 const string typeStr = getTypeName(format.unsizedType);
 797                 return fmtStr + " with type " + typeStr;
 798         }
 799
 800         return fmtStr;
 801 }
 802
 803 struct RenderableParams
 804 {
 805         GLenum                          attPoint;
 806         GLenum                          bufType;
 807         ImageFormat                     format;
 808         static string           getName                         (const RenderableParams& params)
 809         {
 810                 return formatName(params.format);
 811         }
 812         static string           getDescription          (const RenderableParams& params)
 813         {
 814                 return formatDesc(params.format);
 815         }
 816 };
 817
 818 class RenderableTest : public ParamTest<RenderableParams>
 819 {
 820 public:
 821                                         RenderableTest          (Context& group, const Params& params)
 822                                                 : ParamTest<RenderableParams> (group, params) {}
 823         IterateResult   build                           (FboBuilder& builder);
 824 };
 825
 826 IterateResult RenderableTest::build (FboBuilder& builder)
 827 {
 828         attachTargetToNew(m_params.attPoint, m_params.bufType, m_params.format, 64, 64, builder);
 829         return STOP;
 830 }
 831
 832 string attTypeName (GLenum bufType)
 833 {
 834         switch (bufType)
 835         {
 836                 case GL_NONE:
 837                         return "none";
 838                 case GL_RENDERBUFFER:
 839                         return "rbo";
 840                 case GL_TEXTURE:
 841                         return "tex";
 842                 default:
 843                         DE_ASSERT(!"Impossible case");
 844         }
 845         return ""; // Shut up compiler
 846 }
 847
 848 struct AttachmentParams
 849 {
 850         GLenum                                          color0Kind;
 851         GLenum                                          colornKind;
 852         GLenum                                          depthKind;
 853         GLenum                                          stencilKind;
 854
 855         static string           getName                 (const AttachmentParams& params);
 856         static string           getDescription  (const AttachmentParams& params)
 857         {
 858                 return getName(params);
 859         }
 860 };
 861
 862 string AttachmentParams::getName (const AttachmentParams& params)
 863 {
 864         return (attTypeName(params.color0Kind) + "_" +
 865                         attTypeName(params.colornKind) + "_" +
 866                         attTypeName(params.depthKind) + "_" +
 867                         attTypeName(params.stencilKind));
 868 }
 869
 870 //! Test for combinations of different kinds of attachments
 871 class AttachmentTest : public ParamTest<AttachmentParams>
 872 {
 873 public:
 874                                         AttachmentTest          (Context& group, Params& params)
 875                                                 : ParamTest<AttachmentParams> (group, params) {}
 876
 877 protected:
 878         IterateResult   build                           (FboBuilder& builder);
 879         void                    makeDepthAndStencil     (FboBuilder& builder);
 880 };
 881
 882
 883 void AttachmentTest::makeDepthAndStencil (FboBuilder& builder)
 884 {
 885         if (m_params.stencilKind == m_params.depthKind)
 886         {
 887                 // If there is a common stencil+depth -format, try to use a common
 888                 // image for both attachments.
 889                 const FormatFlags flags =
 890                         DEPTH_RENDERABLE | STENCIL_RENDERABLE | formatFlag(m_params.stencilKind);
 891                 const Formats& formats = m_ctx.getCoreFormats().getFormats(flags);
 892                 Formats::const_iterator it = formats.begin();
 893                 if (it != formats.end())
 894                 {
 895                         const ImageFormat format = *it;
 896                         Attachment* att = makeAttachment(m_params.depthKind, format, 64, 64, builder);
 897                         builder.glAttach(GL_DEPTH_ATTACHMENT, att);
 898                         builder.glAttach(GL_STENCIL_ATTACHMENT, att);
 899                         return;
 900                 }
 901         }
 902         // Either the kinds were separate, or a suitable format was not found.
 903         // Create separate images.
 904         attachTargetToNew(GL_STENCIL_ATTACHMENT, m_params.stencilKind, ImageFormat::none(),
 905                                           64, 64, builder);
 906         attachTargetToNew(GL_DEPTH_ATTACHMENT, m_params.depthKind, ImageFormat::none(),
 907                                           64, 64, builder);
 908 }
 909
 910 IterateResult AttachmentTest::build (FboBuilder& builder)
 911 {
 912         attachTargetToNew(GL_COLOR_ATTACHMENT0, m_params.color0Kind, ImageFormat::none(),
 913                                           64, 64, builder);
 914
 915         if (m_params.colornKind != GL_NONE)
 916         {
 917                 TCU_CHECK_AND_THROW(NotSupportedError, m_ctx.haveMultiColorAtts(),
 918                                                         "Multiple attachments not supported");
 919                 GLint maxAttachments = 1;
 920                 gl(*this).getIntegerv(GL_MAX_COLOR_ATTACHMENTS, &maxAttachments);
 921                 GLU_EXPECT_NO_ERROR(
 922                         gl(*this).getError(), "Couldn't read GL_MAX_COLOR_ATTACHMENTS");
 923
 924                 for (int i = 1; i < maxAttachments; i++)
 925                 {
 926                         attachTargetToNew(GL_COLOR_ATTACHMENT0 + i, m_params.colornKind,
 927                                                           ImageFormat::none(), 64, 64, builder);
 928                 }
 929         }
 930
 931         makeDepthAndStencil(builder);
 932
 933         return STOP;
 934 }
 935
 936 class EmptyImageTest : public TestBase
 937 {
 938 public:
 939                                         EmptyImageTest  (Context& group,
 940                                                                          const char* name, const char* desc)
 941                                                 : TestBase      (group, name, desc) {}
 942
 943         IterateResult   build                   (FboBuilder& builder);
 944 };
 945
 946 IterateResult EmptyImageTest::build (FboBuilder& builder)
 947 {
 948         attachTargetToNew(GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, ImageFormat::none(),
 949                                           0, 0, builder);
 950         return STOP;
 951 }
 952
 953
 954 class DistinctSizeTest : public TestBase
 955 {
 956 public:
 957                                         DistinctSizeTest        (Context& group,
 958                                                                                  const char* name, const char* desc)
 959                                                 : TestBase              (group, name, desc) {}
 960
 961         IterateResult   build                           (FboBuilder& builder);
 962 };
 963
 964 IterateResult DistinctSizeTest::build (FboBuilder& builder)
 965 {
 966         attachTargetToNew(GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, ImageFormat::none(),
 967                                           64, 64, builder);
 968         attachTargetToNew(GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, ImageFormat::none(),
 969                                           128, 128, builder);
 970         return STOP;
 971 }
 972
 973 TestCaseGroup* Context::createRenderableTests (void)
 974 {
 975         TestCaseGroup* const renderableTests = new TestCaseGroup(
 976                 m_testCtx, "renderable", "Tests for support of renderable image formats");
 977
 978         TestCaseGroup* const rbRenderableTests = new TestCaseGroup(
 979                 m_testCtx, "renderbuffer", "Tests for renderbuffer formats");
 980
 981         TestCaseGroup* const texRenderableTests = new TestCaseGroup(
 982                 m_testCtx, "texture", "Tests for texture formats");
 983
 984         static const struct AttPoint {
 985                 GLenum                  attPoint;
 986                 const char*             name;
 987                 const char*             desc;
 988         } attPoints[] =
 989         {
 990                 { GL_COLOR_ATTACHMENT0,         "color0",       "Tests for color attachments"   },
 991                 { GL_STENCIL_ATTACHMENT,        "stencil",      "Tests for stencil attachments" },
 992                 { GL_DEPTH_ATTACHMENT,          "depth",        "Tests for depth attachments"   },
 993         };
 994
 995         // At each attachment point, iterate through all the possible formats to
 996         // detect both false positives and false negatives.
 997         const Formats rboFmts = m_allFormats.getFormats(ANY_FORMAT);
 998         const Formats texFmts = m_allFormats.getFormats(ANY_FORMAT);
 999
1000         for (const AttPoint* it = DE_ARRAY_BEGIN(attPoints); it != DE_ARRAY_END(attPoints); it++)
1001         {
1002                 TestCaseGroup* const rbAttTests = new TestCaseGroup(m_testCtx, it->name, it->desc);
1003                 TestCaseGroup* const texAttTests = new TestCaseGroup(m_testCtx, it->name, it->desc);
1004
1005                 for (Formats::const_iterator it2 = rboFmts.begin(); it2 != rboFmts.end(); it2++)
1006                 {
1007                         const RenderableParams params = { it->attPoint, GL_RENDERBUFFER, *it2 };
1008                         rbAttTests->addChild(new RenderableTest(*this, params));
1009                 }
1010                 rbRenderableTests->addChild(rbAttTests);
1011
1012                 for (Formats::const_iterator it2 = texFmts.begin(); it2 != texFmts.end(); it2++)
1013                 {
1014                         const RenderableParams params = { it->attPoint, GL_TEXTURE, *it2 };
1015                         texAttTests->addChild(new RenderableTest(*this, params));
1016                 }
1017                 texRenderableTests->addChild(texAttTests);
1018         }
1019         renderableTests->addChild(rbRenderableTests);
1020         renderableTests->addChild(texRenderableTests);
1021
1022         return renderableTests;
1023 }
1024
1025 TestCaseGroup* Context::createAttachmentTests (void)
1026 {
1027         TestCaseGroup* const attCombTests = new TestCaseGroup(
1028                 m_testCtx, "attachment_combinations", "Tests for attachment combinations");
1029
1030         static const GLenum s_bufTypes[] = { GL_NONE, GL_RENDERBUFFER, GL_TEXTURE };
1031         static const Range<GLenum> s_kinds = GLS_ARRAY_RANGE(s_bufTypes);
1032
1033         for (const GLenum* col0 = s_kinds.begin(); col0 != s_kinds.end(); ++col0)
1034                 for (const GLenum* coln = s_kinds.begin(); coln != s_kinds.end(); ++coln)
1035                         for (const GLenum* dep = s_kinds.begin(); dep != s_kinds.end(); ++dep)
1036                                 for (const GLenum* stc = s_kinds.begin(); stc != s_kinds.end(); ++stc)
1037                                 {
1038                                         AttachmentParams params = { *col0, *coln, *dep, *stc };
1039                                         attCombTests->addChild(new AttachmentTest(*this, params));
1040                                 }
1041
1042         return attCombTests;
1043 }
1044
1045 TestCaseGroup* Context::createSizeTests (void)
1046 {
1047         TestCaseGroup* const sizeTests = new TestCaseGroup(
1048                 m_testCtx, "size", "Tests for attachment sizes");
1049         sizeTests->addChild(new EmptyImageTest(
1050                                                         *this, "zero",
1051                                                         "Test for zero-sized image attachment"));
1052         sizeTests->addChild(new DistinctSizeTest(
1053                                                         *this, "distinct",
1054                                                         "Test for attachments with different sizes"));
1055
1056         return sizeTests;
1057 }
1058
1059 } // details
1060
1061 } // fboc
1062 } // gls
1063 } // deqp