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 namespace deqp::gls::FboUtil;
  49 using namespace deqp::gls::FboUtil::config;
  50 typedef TestCase::IterateResult IterateResult;
  51
  52 namespace deqp
  53 {
  54 namespace gls
  55 {
  56 namespace fboc
  57 {
  58
  59 namespace details
  60 {
  61 // \todo [2013-12-04 lauri] Place in deStrUtil.hpp?
  62
  63 string toLower (const string& str)
  64 {
  65         string ret;
  66         std::transform(str.begin(), str.end(), std::inserter(ret, ret.begin()), ::tolower);
  67         return ret;
  68 }
  69
  70 // The following extensions are applicable both to ES2 and ES3.
  71
  72 // GL_OES_depth_texture
  73 static const FormatKey s_oesDepthTextureFormats[] =
  74 {
  75         GLS_UNSIZED_FORMATKEY(GL_DEPTH_COMPONENT,       GL_UNSIGNED_SHORT),
  76         GLS_UNSIZED_FORMATKEY(GL_DEPTH_COMPONENT,       GL_UNSIGNED_INT),
  77 };
  78
  79 // GL_OES_packed_depth_stencil
  80 static const FormatKey s_oesPackedDepthStencilSizedFormats[] =
  81 {
  82         GL_DEPTH24_STENCIL8,
  83 };
  84
  85 static const FormatKey s_oesPackedDepthStencilTexFormats[] =
  86 {
  87         GLS_UNSIZED_FORMATKEY(GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8),
  88 };
  89
  90 // GL_OES_required_internalformat
  91 static const FormatKey s_oesRequiredInternalFormatColorFormats[] =
  92 {
  93         // Same as ES2 RBO formats, plus RGBA8 (even without OES_rgb8_rgba8)
  94         GL_RGB5_A1, GL_RGBA8, GL_RGBA4, GL_RGB565
  95 };
  96
  97 static const FormatKey s_oesRequiredInternalFormatDepthFormats[] =
  98 {
  99         GL_DEPTH_COMPONENT16,
 100 };
 101
 102 // GL_EXT_color_buffer_half_float
 103 static const FormatKey s_extColorBufferHalfFloatFormats[] =
 104 {
 105         GL_RGBA16F, GL_RGB16F, GL_RG16F, GL_R16F,
 106 };
 107
 108 static const FormatKey s_oesDepth24SizedFormats[] =
 109 {
 110         GL_DEPTH_COMPONENT24
 111 };
 112
 113 static const FormatKey s_oesDepth32SizedFormats[] =
 114 {
 115         GL_DEPTH_COMPONENT32
 116 };
 117
 118 static const FormatKey s_oesRgb8Rgba8RboFormats[] =
 119 {
 120         GL_RGB8,
 121         GL_RGBA8,
 122 };
 123
 124 static const FormatKey s_oesRequiredInternalFormatRgb8ColorFormat[] =
 125 {
 126         GL_RGB8,
 127 };
 128
 129 static const FormatKey s_extTextureType2101010RevFormats[] =
 130 {
 131         GLS_UNSIZED_FORMATKEY(GL_RGBA,  GL_UNSIGNED_INT_2_10_10_10_REV),
 132         GLS_UNSIZED_FORMATKEY(GL_RGB,   GL_UNSIGNED_INT_2_10_10_10_REV),
 133 };
 134
 135 static const FormatKey s_oesRequiredInternalFormat10bitColorFormats[] =
 136 {
 137         GL_RGB10_A2, GL_RGB10,
 138 };
 139
 140 static const FormatKey s_extTextureRgRboFormats[] =
 141 {
 142         GL_R8, GL_RG8,
 143 };
 144
 145 static const FormatKey s_extTextureRgTexFormats[] =
 146 {
 147         GLS_UNSIZED_FORMATKEY(GL_RED,   GL_UNSIGNED_BYTE),
 148         GLS_UNSIZED_FORMATKEY(GL_RG,    GL_UNSIGNED_BYTE),
 149 };
 150
 151 static const FormatKey s_extTextureRgFloatTexFormats[] =
 152 {
 153         GLS_UNSIZED_FORMATKEY(GL_RED,   GL_FLOAT),
 154         GLS_UNSIZED_FORMATKEY(GL_RG,    GL_FLOAT),
 155 };
 156
 157 static const FormatKey s_extTextureRgHalfFloatTexFormats[] =
 158 {
 159         GLS_UNSIZED_FORMATKEY(GL_RED,   GL_HALF_FLOAT_OES),
 160         GLS_UNSIZED_FORMATKEY(GL_RG,    GL_HALF_FLOAT_OES),
 161 };
 162
 163 static const FormatKey s_nvPackedFloatRboFormats[] =
 164 {
 165         GL_R11F_G11F_B10F,
 166 };
 167
 168 static const FormatKey s_nvPackedFloatTexFormats[] =
 169 {
 170         GLS_UNSIZED_FORMATKEY(GL_RGB,   GL_UNSIGNED_INT_10F_11F_11F_REV),
 171 };
 172
 173 static const FormatKey s_extSrgbRboFormats[] =
 174 {
 175         GL_SRGB8_ALPHA8,
 176 };
 177
 178 static const FormatKey s_extSrgbTexFormats[] =
 179 {
 180         GLS_UNSIZED_FORMATKEY(GL_SRGB,                  GL_UNSIGNED_BYTE),
 181         GLS_UNSIZED_FORMATKEY(GL_SRGB_ALPHA,    GL_UNSIGNED_BYTE),
 182 };
 183
 184 static const FormatKey s_oesRgb8Rgba8TexFormats[] =
 185 {
 186         GLS_UNSIZED_FORMATKEY(GL_RGB,           GL_UNSIGNED_BYTE),
 187         GLS_UNSIZED_FORMATKEY(GL_RGBA,          GL_UNSIGNED_BYTE),
 188 };
 189
 190 static const FormatExtEntry s_esExtFormats[] =
 191 {
 192         {
 193                 "GL_OES_depth_texture",
 194                 REQUIRED_RENDERABLE | DEPTH_RENDERABLE | TEXTURE_VALID,
 195                 GLS_ARRAY_RANGE(s_oesDepthTextureFormats),
 196         },
 197         {
 198                 "GL_OES_packed_depth_stencil",
 199                 REQUIRED_RENDERABLE | DEPTH_RENDERABLE | STENCIL_RENDERABLE | RENDERBUFFER_VALID,
 200                 GLS_ARRAY_RANGE(s_oesPackedDepthStencilSizedFormats)
 201         },
 202         {
 203                 "GL_OES_packed_depth_stencil GL_OES_required_internalformat",
 204                 TEXTURE_VALID,
 205                 GLS_ARRAY_RANGE(s_oesPackedDepthStencilSizedFormats)
 206         },
 207         {
 208                 "GL_OES_packed_depth_stencil",
 209                 DEPTH_RENDERABLE | STENCIL_RENDERABLE | TEXTURE_VALID,
 210                 GLS_ARRAY_RANGE(s_oesPackedDepthStencilTexFormats)
 211         },
 212         // \todo [2013-12-10 lauri] Find out if OES_texture_half_float is really a
 213         // requirement on ES3 also. Or is color_buffer_half_float applicatble at
 214         // all on ES3, since there's also EXT_color_buffer_float?
 215         {
 216                 "GL_OES_texture_half_float GL_EXT_color_buffer_half_float",
 217                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 218                 GLS_ARRAY_RANGE(s_extColorBufferHalfFloatFormats)
 219         },
 220
 221         // OES_required_internalformat doesn't actually specify that these are renderable,
 222         // since it was written against ES 1.1.
 223         {
 224                 "GL_OES_required_internalformat",
 225                  // Allow but don't require RGBA8 to be color-renderable if
 226                  // OES_rgb8_rgba8 is not present.
 227                 COLOR_RENDERABLE | TEXTURE_VALID,
 228                 GLS_ARRAY_RANGE(s_oesRequiredInternalFormatColorFormats)
 229         },
 230         {
 231                 "GL_OES_required_internalformat",
 232                 DEPTH_RENDERABLE | TEXTURE_VALID,
 233                 GLS_ARRAY_RANGE(s_oesRequiredInternalFormatDepthFormats)
 234         },
 235         {
 236                 "GL_EXT_texture_rg",
 237                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 238                 GLS_ARRAY_RANGE(s_extTextureRgRboFormats)
 239         },
 240         // These are not specified to be color-renderable, but the wording is
 241         // exactly as ambiguous as the wording in the ES2 spec.
 242         {
 243                 "GL_EXT_texture_rg",
 244                 COLOR_RENDERABLE | TEXTURE_VALID,
 245                 GLS_ARRAY_RANGE(s_extTextureRgTexFormats)
 246         },
 247         {
 248                 "GL_EXT_texture_rg GL_OES_texture_float",
 249                 COLOR_RENDERABLE | TEXTURE_VALID,
 250                 GLS_ARRAY_RANGE(s_extTextureRgFloatTexFormats)
 251         },
 252         {
 253                 "GL_EXT_texture_rg GL_OES_texture_half_float",
 254                 COLOR_RENDERABLE | TEXTURE_VALID,
 255                 GLS_ARRAY_RANGE(s_extTextureRgHalfFloatTexFormats)
 256         },
 257
 258         {
 259                 "GL_NV_packed_float",
 260                 COLOR_RENDERABLE | TEXTURE_VALID,
 261                 GLS_ARRAY_RANGE(s_nvPackedFloatTexFormats)
 262         },
 263         {
 264                 "GL_NV_packed_float GL_EXT_color_buffer_half_float",
 265                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 266                 GLS_ARRAY_RANGE(s_nvPackedFloatRboFormats)
 267         },
 268
 269         // Some Tegra drivers report GL_EXT_packed_float even for ES. Treat it as
 270         // a synonym for the NV_ version.
 271         {
 272                 "GL_EXT_packed_float",
 273                 COLOR_RENDERABLE | TEXTURE_VALID,
 274                 GLS_ARRAY_RANGE(s_nvPackedFloatTexFormats)
 275         },
 276         {
 277                 "GL_EXT_packed_float GL_EXT_color_buffer_half_float",
 278                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 279                 GLS_ARRAY_RANGE(s_nvPackedFloatRboFormats)
 280         },
 281
 282         {
 283                 "GL_EXT_sRGB",
 284                 COLOR_RENDERABLE | TEXTURE_VALID,
 285                 GLS_ARRAY_RANGE(s_extSrgbTexFormats)
 286         },
 287         {
 288                 "GL_EXT_sRGB",
 289                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 290                 GLS_ARRAY_RANGE(s_extSrgbRboFormats)
 291         },
 292
 293          // In Khronos bug 7333 discussion, the consensus is that these texture
 294          // formats, at least, should be color-renderable. Still, that cannot be
 295          // found in any extension specs, so only allow it, not require it.
 296         {
 297                 "GL_OES_rgb8_rgba8",
 298                 COLOR_RENDERABLE | TEXTURE_VALID,
 299                 GLS_ARRAY_RANGE(s_oesRgb8Rgba8TexFormats)
 300         },
 301         {
 302                 "GL_OES_rgb8_rgba8",
 303                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 304                 GLS_ARRAY_RANGE(s_oesRgb8Rgba8RboFormats)
 305         },
 306         {
 307                 "GL_OES_rgb8_rgba8 GL_OES_required_internalformat",
 308                 TEXTURE_VALID,
 309                 GLS_ARRAY_RANGE(s_oesRequiredInternalFormatRgb8ColorFormat)
 310         },
 311
 312         // The depth-renderability of the depth RBO formats is not explicitly
 313         // spelled out, but all renderbuffer formats are meant to be renderable.
 314         {
 315                 "GL_OES_depth24",
 316                 REQUIRED_RENDERABLE | DEPTH_RENDERABLE | RENDERBUFFER_VALID,
 317                 GLS_ARRAY_RANGE(s_oesDepth24SizedFormats)
 318         },
 319         {
 320                 "GL_OES_depth24 GL_OES_required_internalformat GL_OES_depth_texture",
 321                 TEXTURE_VALID,
 322                 GLS_ARRAY_RANGE(s_oesDepth24SizedFormats)
 323         },
 324
 325         {
 326                 "GL_OES_depth32",
 327                 REQUIRED_RENDERABLE | DEPTH_RENDERABLE | RENDERBUFFER_VALID,
 328                 GLS_ARRAY_RANGE(s_oesDepth32SizedFormats)
 329         },
 330         {
 331                 "GL_OES_depth32 GL_OES_required_internalformat GL_OES_depth_texture",
 332                 TEXTURE_VALID,
 333                 GLS_ARRAY_RANGE(s_oesDepth32SizedFormats)
 334         },
 335
 336         {
 337                 "GL_EXT_texture_type_2_10_10_10_REV",
 338                 TEXTURE_VALID, // explicitly unrenderable
 339                 GLS_ARRAY_RANGE(s_extTextureType2101010RevFormats)
 340         },
 341         {
 342                 "GL_EXT_texture_type_2_10_10_10_REV GL_OES_required_internalformat",
 343                 TEXTURE_VALID, // explicitly unrenderable
 344                 GLS_ARRAY_RANGE(s_oesRequiredInternalFormat10bitColorFormats)
 345         },
 346 };
 347
 348 Context::Context (TestContext& testCtx,
 349                                   RenderContext& renderCtx,
 350                                   CheckerFactory& factory)
 351         : m_testCtx                             (testCtx)
 352         , m_renderCtx                   (renderCtx)
 353         , m_verifier                    (m_ctxFormats, factory)
 354         , m_haveMultiColorAtts  (false)
 355 {
 356         FormatExtEntries extRange = GLS_ARRAY_RANGE(s_esExtFormats);
 357         addExtFormats(extRange);
 358 }
 359
 360 void Context::addFormats (FormatEntries fmtRange)
 361 {
 362         FboUtil::addFormats(m_minFormats, fmtRange);
 363         FboUtil::addFormats(m_ctxFormats, fmtRange);
 364         FboUtil::addFormats(m_maxFormats, fmtRange);
 365 }
 366
 367 void Context::addExtFormats (FormatExtEntries extRange)
 368 {
 369         FboUtil::addExtFormats(m_ctxFormats, extRange, &m_renderCtx);
 370         FboUtil::addExtFormats(m_maxFormats, extRange, DE_NULL);
 371 }
 372
 373 void TestBase::pass (void)
 374 {
 375         m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
 376 }
 377
 378 void TestBase::qualityWarning (const char* msg)
 379 {
 380         m_testCtx.setTestResult(QP_TEST_RESULT_QUALITY_WARNING, msg);
 381 }
 382
 383 void TestBase::fail (const char* msg)
 384 {
 385         m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, msg);
 386 }
 387
 388 static string statusName (GLenum status)
 389 {
 390         const char* errorName = getErrorName(status);
 391         if (status != GL_NO_ERROR && errorName != DE_NULL)
 392                 return string(errorName) + " (during FBO initialization)";
 393
 394         const char* fbStatusName = getFramebufferStatusName(status);
 395         if (fbStatusName != DE_NULL)
 396                 return fbStatusName;
 397
 398         return "unknown value (" + toString(status) + ")";
 399 }
 400
 401 const glw::Functions& gl (const TestBase& test)
 402 {
 403         return test.getContext().getRenderContext().getFunctions();
 404 }
 405
 406 IterateResult TestBase::iterate (void)
 407 {
 408         glu::Framebuffer fbo(m_ctx.getRenderContext());
 409         FboBuilder builder(*fbo, GL_FRAMEBUFFER, gl(*this));
 410         const IterateResult ret = build(builder);
 411         const StatusCodes statuses = m_ctx.getVerifier().validStatusCodes(builder);
 412
 413         GLenum glStatus = builder.getError();
 414         if (glStatus == GL_NO_ERROR)
 415                 glStatus = gl(*this).checkFramebufferStatus(GL_FRAMEBUFFER);
 416
 417         // \todo [2013-12-04 lauri] Check if drawing operations succeed.
 418
 419         StatusCodes::const_iterator it = statuses.begin();
 420         GLenum err = *it++;
 421         logFramebufferConfig(builder, m_testCtx.getLog());
 422
 423         MessageBuilder msg(&m_testCtx.getLog());
 424
 425         msg << "Expected ";
 426         if (it != statuses.end())
 427         {
 428                 msg << "one of ";
 429                 while (it != statuses.end())
 430                 {
 431                         msg << statusName(err);
 432                         err = *it++;
 433                         msg << (it == statuses.end() ? " or " : ", ");
 434                 }
 435         }
 436         msg << statusName(err) << "." << TestLog::EndMessage;
 437         m_testCtx.getLog() << TestLog::Message << "Received " << statusName(glStatus)
 438                          << "." << TestLog::EndMessage;
 439
 440         if (!contains(statuses, glStatus))
 441         {
 442                 // The returned status value was not acceptable.
 443                 if (glStatus == GL_FRAMEBUFFER_COMPLETE)
 444                         fail("Framebuffer checked as complete, expected incomplete");
 445                 else if (statuses.size() == 1 && contains(statuses, GL_FRAMEBUFFER_COMPLETE))
 446                         fail("Framebuffer checked is incomplete, expected complete");
 447                 else
 448                         // An incomplete status is allowed, but not _this_ incomplete status.
 449                         fail("Framebuffer checked as incomplete, but with wrong status");
 450         }
 451         else if (glStatus != GL_FRAMEBUFFER_COMPLETE &&
 452                          contains(statuses, GL_FRAMEBUFFER_COMPLETE))
 453         {
 454                 qualityWarning("Framebuffer object could have checked as complete but did not.");
 455         }
 456         else
 457                 pass();
 458
 459         return ret;
 460 }
 461
 462 IterateResult TestBase::build (FboBuilder& builder)
 463 {
 464         DE_UNREF(builder);
 465         return STOP;
 466 }
 467
 468 ImageFormat TestBase::getDefaultFormat (GLenum attPoint, GLenum bufType) const
 469 {
 470         if (bufType == GL_NONE)
 471         {
 472                 return ImageFormat::none();
 473         }
 474
 475         // Prefer a standard format, if there is one, but if not, use a format
 476         // provided by an extension.
 477         Formats formats = m_ctx.getMinFormats().getFormats(formatFlag(attPoint) |
 478                                                                                                                  formatFlag(bufType));
 479         Formats::const_iterator it = formats.begin();
 480         if (it == formats.end())
 481         {
 482                 formats = m_ctx.getCtxFormats().getFormats(formatFlag(attPoint) |
 483                                                                                                          formatFlag(bufType));
 484                 it = formats.begin();
 485         }
 486         if (it == formats.end())
 487                 throw tcu::NotSupportedError("Unsupported attachment kind for attachment point",
 488                                                                          "", __FILE__, __LINE__);
 489         return *it;
 490 };
 491
 492 Image* makeImage (GLenum bufType, ImageFormat format,
 493                                   GLsizei width, GLsizei height, FboBuilder& builder)
 494 {
 495         Image* image = DE_NULL;
 496         switch (bufType)
 497         {
 498                 case GL_NONE:
 499                         return DE_NULL;
 500                 case GL_RENDERBUFFER:
 501                         image = &builder.makeConfig<Renderbuffer>();
 502                         break;
 503                 case GL_TEXTURE:
 504                         image = &builder.makeConfig<Texture2D>();
 505                         break;
 506                 default:
 507                         DE_ASSERT(!"Impossible case");
 508         }
 509         image->internalFormat = format;
 510         image->width = width;
 511         image->height = height;
 512         return image;
 513 }
 514
 515 Attachment* makeAttachment (GLenum bufType, ImageFormat format,
 516                                                         GLsizei width, GLsizei height, FboBuilder& builder)
 517 {
 518         Image* const imgCfg = makeImage (bufType, format, width, height, builder);
 519         Attachment* att = DE_NULL;
 520         GLuint img = 0;
 521
 522         if (Renderbuffer* rboCfg = dynamic_cast<Renderbuffer*>(imgCfg))
 523         {
 524                 img = builder.glCreateRbo(*rboCfg);
 525                 att = &builder.makeConfig<RenderbufferAttachment>();
 526         }
 527         else if (Texture2D* texCfg = dynamic_cast<Texture2D*>(imgCfg))
 528         {
 529                 img = builder.glCreateTexture(*texCfg);
 530                 TextureFlatAttachment& texAtt = builder.makeConfig<TextureFlatAttachment>();
 531                 texAtt.texTarget = GL_TEXTURE_2D;
 532                 att = &texAtt;
 533         }
 534         else
 535         {
 536                 DE_ASSERT(imgCfg == DE_NULL);
 537                 return DE_NULL;
 538         }
 539         att->imageName = img;
 540         return att;
 541 }
 542
 543 void TestBase::attachTargetToNew (GLenum target, GLenum bufType, ImageFormat format,
 544                                                                   GLsizei width, GLsizei height, FboBuilder& builder)
 545 {
 546         ImageFormat imgFmt = format;
 547         if (imgFmt.format == GL_NONE)
 548                 imgFmt = getDefaultFormat(target, bufType);
 549
 550         const Attachment* const att = makeAttachment(bufType, imgFmt, width, height, builder);
 551         builder.glAttach(target, att);
 552 }
 553
 554 static string formatName (ImageFormat format)
 555 {
 556         const string s = getPixelFormatName(format.format);
 557         const string fmtStr = toLower(s.substr(3));
 558
 559         if (format.unsizedType != GL_NONE)
 560         {
 561                 const string typeStr = getTypeName(format.unsizedType);
 562                 return fmtStr + "_" + toLower(typeStr.substr(3));
 563         }
 564
 565         return fmtStr;
 566 }
 567
 568 static string formatDesc (ImageFormat format)
 569 {
 570         const string fmtStr = getPixelFormatName(format.format);
 571
 572         if (format.unsizedType != GL_NONE)
 573         {
 574                 const string typeStr = getTypeName(format.unsizedType);
 575                 return fmtStr + " with type " + typeStr;
 576         }
 577
 578         return fmtStr;
 579 }
 580
 581 struct RenderableParams
 582 {
 583         GLenum                          attPoint;
 584         GLenum                          bufType;
 585         ImageFormat             format;
 586         static string           getName                         (const RenderableParams& params)
 587         {
 588                 return formatName(params.format);
 589         }
 590         static string           getDescription          (const RenderableParams& params)
 591         {
 592                 return formatDesc(params.format);
 593         }
 594 };
 595
 596 class RenderableTest : public ParamTest<RenderableParams>
 597 {
 598 public:
 599                                         RenderableTest          (Context& group, const Params& params)
 600                                                 : ParamTest<RenderableParams> (group, params) {}
 601         IterateResult   build                           (FboBuilder& builder);
 602 };
 603
 604 IterateResult RenderableTest::build (FboBuilder& builder)
 605 {
 606         attachTargetToNew(m_params.attPoint, m_params.bufType, m_params.format, 64, 64, builder);
 607         return STOP;
 608 }
 609
 610 string attTypeName (GLenum bufType)
 611 {
 612         switch (bufType)
 613         {
 614                 case GL_NONE:
 615                         return "none";
 616                 case GL_RENDERBUFFER:
 617                         return "rbo";
 618                 case GL_TEXTURE:
 619                         return "tex";
 620                 default:
 621                         DE_ASSERT(!"Impossible case");
 622         }
 623         return ""; // Shut up compiler
 624 }
 625
 626 struct AttachmentParams
 627 {
 628         GLenum                                          color0Kind;
 629         GLenum                                          colornKind;
 630         GLenum                                          depthKind;
 631         GLenum                                          stencilKind;
 632
 633         static string           getName                 (const AttachmentParams& params);
 634         static string           getDescription  (const AttachmentParams& params)
 635         {
 636                 return getName(params);
 637         }
 638 };
 639
 640 string AttachmentParams::getName (const AttachmentParams& params)
 641 {
 642         return (attTypeName(params.color0Kind) + "_" +
 643                         attTypeName(params.colornKind) + "_" +
 644                         attTypeName(params.depthKind) + "_" +
 645                         attTypeName(params.stencilKind));
 646 }
 647
 648 //! Test for combinations of different kinds of attachments
 649 class AttachmentTest : public ParamTest<AttachmentParams>
 650 {
 651 public:
 652                                         AttachmentTest          (Context& group, Params& params)
 653                                                 : ParamTest<AttachmentParams> (group, params) {}
 654
 655 protected:
 656         IterateResult   build                           (FboBuilder& builder);
 657         void                    makeDepthAndStencil     (FboBuilder& builder);
 658 };
 659
 660
 661 void AttachmentTest::makeDepthAndStencil (FboBuilder& builder)
 662 {
 663         if (m_params.stencilKind == m_params.depthKind)
 664         {
 665                 // If there is a common stencil+depth -format, try to use a common
 666                 // image for both attachments.
 667                 const FormatFlags flags =
 668                         DEPTH_RENDERABLE | STENCIL_RENDERABLE | formatFlag(m_params.stencilKind);
 669                 const Formats& formats = m_ctx.getMinFormats().getFormats(flags);
 670                 Formats::const_iterator it = formats.begin();
 671                 if (it != formats.end())
 672                 {
 673                         const ImageFormat format = *it;
 674                         Attachment* att = makeAttachment(m_params.depthKind, format, 64, 64, builder);
 675                         builder.glAttach(GL_DEPTH_ATTACHMENT, att);
 676                         builder.glAttach(GL_STENCIL_ATTACHMENT, att);
 677                         return;
 678                 }
 679         }
 680         // Either the kinds were separate, or a suitable format was not found.
 681         // Create separate images.
 682         attachTargetToNew(GL_STENCIL_ATTACHMENT, m_params.stencilKind, ImageFormat::none(),
 683                                           64, 64, builder);
 684         attachTargetToNew(GL_DEPTH_ATTACHMENT, m_params.depthKind, ImageFormat::none(),
 685                                           64, 64, builder);
 686 }
 687
 688 IterateResult AttachmentTest::build (FboBuilder& builder)
 689 {
 690         attachTargetToNew(GL_COLOR_ATTACHMENT0, m_params.color0Kind, ImageFormat::none(),
 691                                           64, 64, builder);
 692
 693         if (m_params.colornKind != GL_NONE)
 694         {
 695                 TCU_CHECK_AND_THROW(NotSupportedError, m_ctx.haveMultiColorAtts(),
 696                                                         "Multiple attachments not supported");
 697                 GLint maxAttachments = 1;
 698                 gl(*this).getIntegerv(GL_MAX_COLOR_ATTACHMENTS, &maxAttachments);
 699                 GLU_EXPECT_NO_ERROR(
 700                         gl(*this).getError(), "Couldn't read GL_MAX_COLOR_ATTACHMENTS");
 701
 702                 for (int i = 1; i < maxAttachments; i++)
 703                 {
 704                         attachTargetToNew(GL_COLOR_ATTACHMENT0 + i, m_params.colornKind,
 705                                                           ImageFormat::none(), 64, 64, builder);
 706                 }
 707         }
 708
 709         makeDepthAndStencil(builder);
 710
 711         return STOP;
 712 }
 713
 714 class EmptyImageTest : public TestBase
 715 {
 716 public:
 717                                         EmptyImageTest  (Context& group,
 718                                                                          const char* name, const char* desc)
 719                                                 : TestBase      (group, name, desc) {}
 720
 721         IterateResult   build                   (FboBuilder& builder);
 722 };
 723
 724 IterateResult EmptyImageTest::build (FboBuilder& builder)
 725 {
 726         attachTargetToNew(GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, ImageFormat::none(),
 727                                           0, 0, builder);
 728         return STOP;
 729 }
 730
 731
 732 class DistinctSizeTest : public TestBase
 733 {
 734 public:
 735                                         DistinctSizeTest        (Context& group,
 736                                                                                  const char* name, const char* desc)
 737                                                 : TestBase              (group, name, desc) {}
 738
 739         IterateResult   build                           (FboBuilder& builder);
 740 };
 741
 742 IterateResult DistinctSizeTest::build (FboBuilder& builder)
 743 {
 744         attachTargetToNew(GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, ImageFormat::none(),
 745                                           64, 64, builder);
 746         attachTargetToNew(GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, ImageFormat::none(),
 747                                           128, 128, builder);
 748         return STOP;
 749 }
 750
 751 TestCaseGroup* Context::createRenderableTests (void)
 752 {
 753         TestCaseGroup* const renderableTests = new TestCaseGroup(
 754                 m_testCtx, "renderable", "Tests for support of renderable image formats");
 755
 756         TestCaseGroup* const rbRenderableTests = new TestCaseGroup(
 757                 m_testCtx, "renderbuffer", "Tests for renderbuffer formats");
 758
 759         TestCaseGroup* const texRenderableTests = new TestCaseGroup(
 760                 m_testCtx, "texture", "Tests for texture formats");
 761
 762         static const struct AttPoint {
 763                 GLenum                  attPoint;
 764                 const char*     name;
 765                 const char*     desc;
 766         } attPoints[] =
 767         {
 768                 { GL_COLOR_ATTACHMENT0,         "color0",       "Tests for color attachments"   },
 769                 { GL_STENCIL_ATTACHMENT,        "stencil",      "Tests for stencil attachments" },
 770                 { GL_DEPTH_ATTACHMENT,          "depth",        "Tests for depth attachments"   },
 771         };
 772
 773         // At each attachment point, iterate through all the possible formats to
 774         // detect both false positives and false negatives.
 775         const Formats rboFmts = m_maxFormats.getFormats(ANY_FORMAT);
 776         const Formats texFmts = m_maxFormats.getFormats(ANY_FORMAT);
 777
 778         for (const AttPoint* it = DE_ARRAY_BEGIN(attPoints); it != DE_ARRAY_END(attPoints); it++)
 779         {
 780                 TestCaseGroup* const rbAttTests = new TestCaseGroup(m_testCtx, it->name, it->desc);
 781                 TestCaseGroup* const texAttTests = new TestCaseGroup(m_testCtx, it->name, it->desc);
 782
 783                 for (Formats::const_iterator it2 = rboFmts.begin(); it2 != rboFmts.end(); it2++)
 784                 {
 785                         const RenderableParams params = { it->attPoint, GL_RENDERBUFFER, *it2 };
 786                         rbAttTests->addChild(new RenderableTest(*this, params));
 787                 }
 788                 rbRenderableTests->addChild(rbAttTests);
 789
 790                 for (Formats::const_iterator it2 = texFmts.begin(); it2 != texFmts.end(); it2++)
 791                 {
 792                         const RenderableParams params = { it->attPoint, GL_TEXTURE, *it2 };
 793                         texAttTests->addChild(new RenderableTest(*this, params));
 794                 }
 795                 texRenderableTests->addChild(texAttTests);
 796         }
 797         renderableTests->addChild(rbRenderableTests);
 798         renderableTests->addChild(texRenderableTests);
 799
 800         return renderableTests;
 801 }
 802
 803 TestCaseGroup* Context::createAttachmentTests (void)
 804 {
 805         TestCaseGroup* const attCombTests = new TestCaseGroup(
 806                 m_testCtx, "attachment_combinations", "Tests for attachment combinations");
 807
 808         static const GLenum s_bufTypes[] = { GL_NONE, GL_RENDERBUFFER, GL_TEXTURE };
 809         static const Range<GLenum> s_kinds = GLS_ARRAY_RANGE(s_bufTypes);
 810
 811         for (const GLenum* col0 = s_kinds.begin(); col0 != s_kinds.end(); ++col0)
 812                 for (const GLenum* coln = s_kinds.begin(); coln != s_kinds.end(); ++coln)
 813                         for (const GLenum* dep = s_kinds.begin(); dep != s_kinds.end(); ++dep)
 814                                 for (const GLenum* stc = s_kinds.begin(); stc != s_kinds.end(); ++stc)
 815                                 {
 816                                         AttachmentParams params = { *col0, *coln, *dep, *stc };
 817                                         attCombTests->addChild(new AttachmentTest(*this, params));
 818                                 }
 819
 820         return attCombTests;
 821 }
 822
 823 TestCaseGroup* Context::createSizeTests (void)
 824 {
 825         TestCaseGroup* const sizeTests = new TestCaseGroup(
 826                 m_testCtx, "size", "Tests for attachment sizes");
 827         sizeTests->addChild(new EmptyImageTest(
 828                                                         *this, "zero",
 829                                                         "Test for zero-sized image attachment"));
 830         sizeTests->addChild(new DistinctSizeTest(
 831                                                         *this, "distinct",
 832                                                         "Test for attachments with different sizes"));
 833
 834         return sizeTests;
 835 }
 836
 837 } // details
 838
 839 } // fboc
 840 } // gls
 841 } // deqp