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_extSrgbRenderableTexFormats[] =
 179 {
 180         GLS_UNSIZED_FORMATKEY(GL_SRGB_ALPHA,    GL_UNSIGNED_BYTE),
 181 };
 182
 183 static const FormatKey s_extSrgbNonRenderableTexFormats[] =
 184 {
 185         GLS_UNSIZED_FORMATKEY(GL_SRGB,                  GL_UNSIGNED_BYTE),
 186         GL_SRGB8,
 187 };
 188
 189 static const FormatKey s_nvSrgbFormatsFormats[] =
 190 {
 191         GL_SRGB8,
 192 };
 193
 194 static const FormatKey s_oesRgb8Rgba8TexFormats[] =
 195 {
 196         GLS_UNSIZED_FORMATKEY(GL_RGB,           GL_UNSIGNED_BYTE),
 197         GLS_UNSIZED_FORMATKEY(GL_RGBA,          GL_UNSIGNED_BYTE),
 198 };
 199
 200 static const FormatExtEntry s_esExtFormats[] =
 201 {
 202         {
 203                 "GL_OES_depth_texture",
 204                 REQUIRED_RENDERABLE | DEPTH_RENDERABLE | TEXTURE_VALID,
 205                 GLS_ARRAY_RANGE(s_oesDepthTextureFormats),
 206         },
 207         {
 208                 "GL_OES_packed_depth_stencil",
 209                 REQUIRED_RENDERABLE | DEPTH_RENDERABLE | STENCIL_RENDERABLE | RENDERBUFFER_VALID,
 210                 GLS_ARRAY_RANGE(s_oesPackedDepthStencilSizedFormats)
 211         },
 212         {
 213                 "GL_OES_packed_depth_stencil GL_OES_required_internalformat",
 214                 TEXTURE_VALID,
 215                 GLS_ARRAY_RANGE(s_oesPackedDepthStencilSizedFormats)
 216         },
 217         {
 218                 "GL_OES_packed_depth_stencil",
 219                 DEPTH_RENDERABLE | STENCIL_RENDERABLE | TEXTURE_VALID,
 220                 GLS_ARRAY_RANGE(s_oesPackedDepthStencilTexFormats)
 221         },
 222         // \todo [2013-12-10 lauri] Find out if OES_texture_half_float is really a
 223         // requirement on ES3 also. Or is color_buffer_half_float applicatble at
 224         // all on ES3, since there's also EXT_color_buffer_float?
 225         {
 226                 "GL_OES_texture_half_float GL_EXT_color_buffer_half_float",
 227                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 228                 GLS_ARRAY_RANGE(s_extColorBufferHalfFloatFormats)
 229         },
 230
 231         // OES_required_internalformat doesn't actually specify that these are renderable,
 232         // since it was written against ES 1.1.
 233         {
 234                 "GL_OES_required_internalformat",
 235                  // Allow but don't require RGBA8 to be color-renderable if
 236                  // OES_rgb8_rgba8 is not present.
 237                 COLOR_RENDERABLE | TEXTURE_VALID,
 238                 GLS_ARRAY_RANGE(s_oesRequiredInternalFormatColorFormats)
 239         },
 240         {
 241                 "GL_OES_required_internalformat",
 242                 DEPTH_RENDERABLE | TEXTURE_VALID,
 243                 GLS_ARRAY_RANGE(s_oesRequiredInternalFormatDepthFormats)
 244         },
 245         {
 246                 "GL_EXT_texture_rg",
 247                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 248                 GLS_ARRAY_RANGE(s_extTextureRgRboFormats)
 249         },
 250         // These are not specified to be color-renderable, but the wording is
 251         // exactly as ambiguous as the wording in the ES2 spec.
 252         {
 253                 "GL_EXT_texture_rg",
 254                 COLOR_RENDERABLE | TEXTURE_VALID,
 255                 GLS_ARRAY_RANGE(s_extTextureRgTexFormats)
 256         },
 257         {
 258                 "GL_EXT_texture_rg GL_OES_texture_float",
 259                 COLOR_RENDERABLE | TEXTURE_VALID,
 260                 GLS_ARRAY_RANGE(s_extTextureRgFloatTexFormats)
 261         },
 262         {
 263                 "GL_EXT_texture_rg GL_OES_texture_half_float",
 264                 COLOR_RENDERABLE | TEXTURE_VALID,
 265                 GLS_ARRAY_RANGE(s_extTextureRgHalfFloatTexFormats)
 266         },
 267
 268         {
 269                 "GL_NV_packed_float",
 270                 COLOR_RENDERABLE | TEXTURE_VALID,
 271                 GLS_ARRAY_RANGE(s_nvPackedFloatTexFormats)
 272         },
 273         {
 274                 "GL_NV_packed_float GL_EXT_color_buffer_half_float",
 275                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 276                 GLS_ARRAY_RANGE(s_nvPackedFloatRboFormats)
 277         },
 278
 279         // Some Tegra drivers report GL_EXT_packed_float even for ES. Treat it as
 280         // a synonym for the NV_ version.
 281         {
 282                 "GL_EXT_packed_float",
 283                 COLOR_RENDERABLE | TEXTURE_VALID,
 284                 GLS_ARRAY_RANGE(s_nvPackedFloatTexFormats)
 285         },
 286         {
 287                 "GL_EXT_packed_float GL_EXT_color_buffer_half_float",
 288                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 289                 GLS_ARRAY_RANGE(s_nvPackedFloatRboFormats)
 290         },
 291
 292         {
 293                 "GL_EXT_sRGB",
 294                 COLOR_RENDERABLE | TEXTURE_VALID,
 295                 GLS_ARRAY_RANGE(s_extSrgbRenderableTexFormats)
 296         },
 297         {
 298                 "GL_EXT_sRGB",
 299                 TEXTURE_VALID,
 300                 GLS_ARRAY_RANGE(s_extSrgbNonRenderableTexFormats)
 301         },
 302         {
 303                 "GL_EXT_sRGB",
 304                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 305                 GLS_ARRAY_RANGE(s_extSrgbRboFormats)
 306         },
 307         {
 308                 "GL_NV_sRGB_formats",
 309                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | TEXTURE_VALID | RENDERBUFFER_VALID,
 310                 GLS_ARRAY_RANGE(s_nvSrgbFormatsFormats)
 311         },
 312
 313          // In Khronos bug 7333 discussion, the consensus is that these texture
 314          // formats, at least, should be color-renderable. Still, that cannot be
 315          // found in any extension specs, so only allow it, not require it.
 316         {
 317                 "GL_OES_rgb8_rgba8",
 318                 COLOR_RENDERABLE | TEXTURE_VALID,
 319                 GLS_ARRAY_RANGE(s_oesRgb8Rgba8TexFormats)
 320         },
 321         {
 322                 "GL_OES_rgb8_rgba8",
 323                 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
 324                 GLS_ARRAY_RANGE(s_oesRgb8Rgba8RboFormats)
 325         },
 326         {
 327                 "GL_OES_rgb8_rgba8 GL_OES_required_internalformat",
 328                 TEXTURE_VALID,
 329                 GLS_ARRAY_RANGE(s_oesRequiredInternalFormatRgb8ColorFormat)
 330         },
 331
 332         // The depth-renderability of the depth RBO formats is not explicitly
 333         // spelled out, but all renderbuffer formats are meant to be renderable.
 334         {
 335                 "GL_OES_depth24",
 336                 REQUIRED_RENDERABLE | DEPTH_RENDERABLE | RENDERBUFFER_VALID,
 337                 GLS_ARRAY_RANGE(s_oesDepth24SizedFormats)
 338         },
 339         {
 340                 "GL_OES_depth24 GL_OES_required_internalformat GL_OES_depth_texture",
 341                 TEXTURE_VALID,
 342                 GLS_ARRAY_RANGE(s_oesDepth24SizedFormats)
 343         },
 344
 345         {
 346                 "GL_OES_depth32",
 347                 REQUIRED_RENDERABLE | DEPTH_RENDERABLE | RENDERBUFFER_VALID,
 348                 GLS_ARRAY_RANGE(s_oesDepth32SizedFormats)
 349         },
 350         {
 351                 "GL_OES_depth32 GL_OES_required_internalformat GL_OES_depth_texture",
 352                 TEXTURE_VALID,
 353                 GLS_ARRAY_RANGE(s_oesDepth32SizedFormats)
 354         },
 355
 356         {
 357                 "GL_EXT_texture_type_2_10_10_10_REV",
 358                 TEXTURE_VALID, // explicitly unrenderable
 359                 GLS_ARRAY_RANGE(s_extTextureType2101010RevFormats)
 360         },
 361         {
 362                 "GL_EXT_texture_type_2_10_10_10_REV GL_OES_required_internalformat",
 363                 TEXTURE_VALID, // explicitly unrenderable
 364                 GLS_ARRAY_RANGE(s_oesRequiredInternalFormat10bitColorFormats)
 365         },
 366 };
 367
 368 Context::Context (TestContext& testCtx,
 369                                   RenderContext& renderCtx,
 370                                   CheckerFactory& factory)
 371         : m_testCtx                             (testCtx)
 372         , m_renderCtx                   (renderCtx)
 373         , m_verifier                    (m_ctxFormats, factory)
 374         , m_haveMultiColorAtts  (false)
 375 {
 376         FormatExtEntries extRange = GLS_ARRAY_RANGE(s_esExtFormats);
 377         addExtFormats(extRange);
 378 }
 379
 380 void Context::addFormats (FormatEntries fmtRange)
 381 {
 382         FboUtil::addFormats(m_minFormats, fmtRange);
 383         FboUtil::addFormats(m_ctxFormats, fmtRange);
 384         FboUtil::addFormats(m_maxFormats, fmtRange);
 385 }
 386
 387 void Context::addExtFormats (FormatExtEntries extRange)
 388 {
 389         FboUtil::addExtFormats(m_ctxFormats, extRange, &m_renderCtx);
 390         FboUtil::addExtFormats(m_maxFormats, extRange, DE_NULL);
 391 }
 392
 393 void TestBase::pass (void)
 394 {
 395         m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
 396 }
 397
 398 void TestBase::qualityWarning (const char* msg)
 399 {
 400         m_testCtx.setTestResult(QP_TEST_RESULT_QUALITY_WARNING, msg);
 401 }
 402
 403 void TestBase::fail (const char* msg)
 404 {
 405         m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, msg);
 406 }
 407
 408 static string statusName (GLenum status)
 409 {
 410         const char* errorName = getErrorName(status);
 411         if (status != GL_NO_ERROR && errorName != DE_NULL)
 412                 return string(errorName) + " (during FBO initialization)";
 413
 414         const char* fbStatusName = getFramebufferStatusName(status);
 415         if (fbStatusName != DE_NULL)
 416                 return fbStatusName;
 417
 418         return "unknown value (" + toString(status) + ")";
 419 }
 420
 421 const glw::Functions& gl (const TestBase& test)
 422 {
 423         return test.getContext().getRenderContext().getFunctions();
 424 }
 425
 426 IterateResult TestBase::iterate (void)
 427 {
 428         glu::Framebuffer fbo(m_ctx.getRenderContext());
 429         FboBuilder builder(*fbo, GL_FRAMEBUFFER, gl(*this));
 430         const IterateResult ret = build(builder);
 431         const StatusCodes statuses = m_ctx.getVerifier().validStatusCodes(builder);
 432
 433         GLenum glStatus = builder.getError();
 434         if (glStatus == GL_NO_ERROR)
 435                 glStatus = gl(*this).checkFramebufferStatus(GL_FRAMEBUFFER);
 436
 437         // \todo [2013-12-04 lauri] Check if drawing operations succeed.
 438
 439         StatusCodes::const_iterator it = statuses.begin();
 440         GLenum err = *it++;
 441         logFramebufferConfig(builder, m_testCtx.getLog());
 442
 443         MessageBuilder msg(&m_testCtx.getLog());
 444
 445         msg << "Expected ";
 446         if (it != statuses.end())
 447         {
 448                 msg << "one of ";
 449                 while (it != statuses.end())
 450                 {
 451                         msg << statusName(err);
 452                         err = *it++;
 453                         msg << (it == statuses.end() ? " or " : ", ");
 454                 }
 455         }
 456         msg << statusName(err) << "." << TestLog::EndMessage;
 457         m_testCtx.getLog() << TestLog::Message << "Received " << statusName(glStatus)
 458                          << "." << TestLog::EndMessage;
 459
 460         if (!contains(statuses, glStatus))
 461         {
 462                 // The returned status value was not acceptable.
 463                 if (glStatus == GL_FRAMEBUFFER_COMPLETE)
 464                         fail("Framebuffer checked as complete, expected incomplete");
 465                 else if (statuses.size() == 1 && contains(statuses, GL_FRAMEBUFFER_COMPLETE))
 466                         fail("Framebuffer checked is incomplete, expected complete");
 467                 else
 468                         // An incomplete status is allowed, but not _this_ incomplete status.
 469                         fail("Framebuffer checked as incomplete, but with wrong status");
 470         }
 471         else if (glStatus != GL_FRAMEBUFFER_COMPLETE &&
 472                          contains(statuses, GL_FRAMEBUFFER_COMPLETE))
 473         {
 474                 qualityWarning("Framebuffer object could have checked as complete but did not.");
 475         }
 476         else
 477                 pass();
 478
 479         return ret;
 480 }
 481
 482 IterateResult TestBase::build (FboBuilder& builder)
 483 {
 484         DE_UNREF(builder);
 485         return STOP;
 486 }
 487
 488 ImageFormat TestBase::getDefaultFormat (GLenum attPoint, GLenum bufType) const
 489 {
 490         if (bufType == GL_NONE)
 491         {
 492                 return ImageFormat::none();
 493         }
 494
 495         // Prefer a standard format, if there is one, but if not, use a format
 496         // provided by an extension.
 497         Formats formats = m_ctx.getMinFormats().getFormats(formatFlag(attPoint) |
 498                                                                                                                  formatFlag(bufType));
 499         Formats::const_iterator it = formats.begin();
 500         if (it == formats.end())
 501         {
 502                 formats = m_ctx.getCtxFormats().getFormats(formatFlag(attPoint) |
 503                                                                                                          formatFlag(bufType));
 504                 it = formats.begin();
 505         }
 506         if (it == formats.end())
 507                 throw tcu::NotSupportedError("Unsupported attachment kind for attachment point",
 508                                                                          "", __FILE__, __LINE__);
 509         return *it;
 510 };
 511
 512 Image* makeImage (GLenum bufType, ImageFormat format,
 513                                   GLsizei width, GLsizei height, FboBuilder& builder)
 514 {
 515         Image* image = DE_NULL;
 516         switch (bufType)
 517         {
 518                 case GL_NONE:
 519                         return DE_NULL;
 520                 case GL_RENDERBUFFER:
 521                         image = &builder.makeConfig<Renderbuffer>();
 522                         break;
 523                 case GL_TEXTURE:
 524                         image = &builder.makeConfig<Texture2D>();
 525                         break;
 526                 default:
 527                         DE_ASSERT(!"Impossible case");
 528         }
 529         image->internalFormat = format;
 530         image->width = width;
 531         image->height = height;
 532         return image;
 533 }
 534
 535 Attachment* makeAttachment (GLenum bufType, ImageFormat format,
 536                                                         GLsizei width, GLsizei height, FboBuilder& builder)
 537 {
 538         Image* const imgCfg = makeImage (bufType, format, width, height, builder);
 539         Attachment* att = DE_NULL;
 540         GLuint img = 0;
 541
 542         if (Renderbuffer* rboCfg = dynamic_cast<Renderbuffer*>(imgCfg))
 543         {
 544                 img = builder.glCreateRbo(*rboCfg);
 545                 att = &builder.makeConfig<RenderbufferAttachment>();
 546         }
 547         else if (Texture2D* texCfg = dynamic_cast<Texture2D*>(imgCfg))
 548         {
 549                 img = builder.glCreateTexture(*texCfg);
 550                 TextureFlatAttachment& texAtt = builder.makeConfig<TextureFlatAttachment>();
 551                 texAtt.texTarget = GL_TEXTURE_2D;
 552                 att = &texAtt;
 553         }
 554         else
 555         {
 556                 DE_ASSERT(imgCfg == DE_NULL);
 557                 return DE_NULL;
 558         }
 559         att->imageName = img;
 560         return att;
 561 }
 562
 563 void TestBase::attachTargetToNew (GLenum target, GLenum bufType, ImageFormat format,
 564                                                                   GLsizei width, GLsizei height, FboBuilder& builder)
 565 {
 566         ImageFormat imgFmt = format;
 567         if (imgFmt.format == GL_NONE)
 568                 imgFmt = getDefaultFormat(target, bufType);
 569
 570         const Attachment* const att = makeAttachment(bufType, imgFmt, width, height, builder);
 571         builder.glAttach(target, att);
 572 }
 573
 574 static string formatName (ImageFormat format)
 575 {
 576         const string s = getPixelFormatName(format.format);
 577         const string fmtStr = toLower(s.substr(3));
 578
 579         if (format.unsizedType != GL_NONE)
 580         {
 581                 const string typeStr = getTypeName(format.unsizedType);
 582                 return fmtStr + "_" + toLower(typeStr.substr(3));
 583         }
 584
 585         return fmtStr;
 586 }
 587
 588 static string formatDesc (ImageFormat format)
 589 {
 590         const string fmtStr = getPixelFormatName(format.format);
 591
 592         if (format.unsizedType != GL_NONE)
 593         {
 594                 const string typeStr = getTypeName(format.unsizedType);
 595                 return fmtStr + " with type " + typeStr;
 596         }
 597
 598         return fmtStr;
 599 }
 600
 601 struct RenderableParams
 602 {
 603         GLenum                          attPoint;
 604         GLenum                          bufType;
 605         ImageFormat             format;
 606         static string           getName                         (const RenderableParams& params)
 607         {
 608                 return formatName(params.format);
 609         }
 610         static string           getDescription          (const RenderableParams& params)
 611         {
 612                 return formatDesc(params.format);
 613         }
 614 };
 615
 616 class RenderableTest : public ParamTest<RenderableParams>
 617 {
 618 public:
 619                                         RenderableTest          (Context& group, const Params& params)
 620                                                 : ParamTest<RenderableParams> (group, params) {}
 621         IterateResult   build                           (FboBuilder& builder);
 622 };
 623
 624 IterateResult RenderableTest::build (FboBuilder& builder)
 625 {
 626         attachTargetToNew(m_params.attPoint, m_params.bufType, m_params.format, 64, 64, builder);
 627         return STOP;
 628 }
 629
 630 string attTypeName (GLenum bufType)
 631 {
 632         switch (bufType)
 633         {
 634                 case GL_NONE:
 635                         return "none";
 636                 case GL_RENDERBUFFER:
 637                         return "rbo";
 638                 case GL_TEXTURE:
 639                         return "tex";
 640                 default:
 641                         DE_ASSERT(!"Impossible case");
 642         }
 643         return ""; // Shut up compiler
 644 }
 645
 646 struct AttachmentParams
 647 {
 648         GLenum                                          color0Kind;
 649         GLenum                                          colornKind;
 650         GLenum                                          depthKind;
 651         GLenum                                          stencilKind;
 652
 653         static string           getName                 (const AttachmentParams& params);
 654         static string           getDescription  (const AttachmentParams& params)
 655         {
 656                 return getName(params);
 657         }
 658 };
 659
 660 string AttachmentParams::getName (const AttachmentParams& params)
 661 {
 662         return (attTypeName(params.color0Kind) + "_" +
 663                         attTypeName(params.colornKind) + "_" +
 664                         attTypeName(params.depthKind) + "_" +
 665                         attTypeName(params.stencilKind));
 666 }
 667
 668 //! Test for combinations of different kinds of attachments
 669 class AttachmentTest : public ParamTest<AttachmentParams>
 670 {
 671 public:
 672                                         AttachmentTest          (Context& group, Params& params)
 673                                                 : ParamTest<AttachmentParams> (group, params) {}
 674
 675 protected:
 676         IterateResult   build                           (FboBuilder& builder);
 677         void                    makeDepthAndStencil     (FboBuilder& builder);
 678 };
 679
 680
 681 void AttachmentTest::makeDepthAndStencil (FboBuilder& builder)
 682 {
 683         if (m_params.stencilKind == m_params.depthKind)
 684         {
 685                 // If there is a common stencil+depth -format, try to use a common
 686                 // image for both attachments.
 687                 const FormatFlags flags =
 688                         DEPTH_RENDERABLE | STENCIL_RENDERABLE | formatFlag(m_params.stencilKind);
 689                 const Formats& formats = m_ctx.getMinFormats().getFormats(flags);
 690                 Formats::const_iterator it = formats.begin();
 691                 if (it != formats.end())
 692                 {
 693                         const ImageFormat format = *it;
 694                         Attachment* att = makeAttachment(m_params.depthKind, format, 64, 64, builder);
 695                         builder.glAttach(GL_DEPTH_ATTACHMENT, att);
 696                         builder.glAttach(GL_STENCIL_ATTACHMENT, att);
 697                         return;
 698                 }
 699         }
 700         // Either the kinds were separate, or a suitable format was not found.
 701         // Create separate images.
 702         attachTargetToNew(GL_STENCIL_ATTACHMENT, m_params.stencilKind, ImageFormat::none(),
 703                                           64, 64, builder);
 704         attachTargetToNew(GL_DEPTH_ATTACHMENT, m_params.depthKind, ImageFormat::none(),
 705                                           64, 64, builder);
 706 }
 707
 708 IterateResult AttachmentTest::build (FboBuilder& builder)
 709 {
 710         attachTargetToNew(GL_COLOR_ATTACHMENT0, m_params.color0Kind, ImageFormat::none(),
 711                                           64, 64, builder);
 712
 713         if (m_params.colornKind != GL_NONE)
 714         {
 715                 TCU_CHECK_AND_THROW(NotSupportedError, m_ctx.haveMultiColorAtts(),
 716                                                         "Multiple attachments not supported");
 717                 GLint maxAttachments = 1;
 718                 gl(*this).getIntegerv(GL_MAX_COLOR_ATTACHMENTS, &maxAttachments);
 719                 GLU_EXPECT_NO_ERROR(
 720                         gl(*this).getError(), "Couldn't read GL_MAX_COLOR_ATTACHMENTS");
 721
 722                 for (int i = 1; i < maxAttachments; i++)
 723                 {
 724                         attachTargetToNew(GL_COLOR_ATTACHMENT0 + i, m_params.colornKind,
 725                                                           ImageFormat::none(), 64, 64, builder);
 726                 }
 727         }
 728
 729         makeDepthAndStencil(builder);
 730
 731         return STOP;
 732 }
 733
 734 class EmptyImageTest : public TestBase
 735 {
 736 public:
 737                                         EmptyImageTest  (Context& group,
 738                                                                          const char* name, const char* desc)
 739                                                 : TestBase      (group, name, desc) {}
 740
 741         IterateResult   build                   (FboBuilder& builder);
 742 };
 743
 744 IterateResult EmptyImageTest::build (FboBuilder& builder)
 745 {
 746         attachTargetToNew(GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, ImageFormat::none(),
 747                                           0, 0, builder);
 748         return STOP;
 749 }
 750
 751
 752 class DistinctSizeTest : public TestBase
 753 {
 754 public:
 755                                         DistinctSizeTest        (Context& group,
 756                                                                                  const char* name, const char* desc)
 757                                                 : TestBase              (group, name, desc) {}
 758
 759         IterateResult   build                           (FboBuilder& builder);
 760 };
 761
 762 IterateResult DistinctSizeTest::build (FboBuilder& builder)
 763 {
 764         attachTargetToNew(GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, ImageFormat::none(),
 765                                           64, 64, builder);
 766         attachTargetToNew(GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, ImageFormat::none(),
 767                                           128, 128, builder);
 768         return STOP;
 769 }
 770
 771 TestCaseGroup* Context::createRenderableTests (void)
 772 {
 773         TestCaseGroup* const renderableTests = new TestCaseGroup(
 774                 m_testCtx, "renderable", "Tests for support of renderable image formats");
 775
 776         TestCaseGroup* const rbRenderableTests = new TestCaseGroup(
 777                 m_testCtx, "renderbuffer", "Tests for renderbuffer formats");
 778
 779         TestCaseGroup* const texRenderableTests = new TestCaseGroup(
 780                 m_testCtx, "texture", "Tests for texture formats");
 781
 782         static const struct AttPoint {
 783                 GLenum                  attPoint;
 784                 const char*     name;
 785                 const char*     desc;
 786         } attPoints[] =
 787         {
 788                 { GL_COLOR_ATTACHMENT0,         "color0",       "Tests for color attachments"   },
 789                 { GL_STENCIL_ATTACHMENT,        "stencil",      "Tests for stencil attachments" },
 790                 { GL_DEPTH_ATTACHMENT,          "depth",        "Tests for depth attachments"   },
 791         };
 792
 793         // At each attachment point, iterate through all the possible formats to
 794         // detect both false positives and false negatives.
 795         const Formats rboFmts = m_maxFormats.getFormats(ANY_FORMAT);
 796         const Formats texFmts = m_maxFormats.getFormats(ANY_FORMAT);
 797
 798         for (const AttPoint* it = DE_ARRAY_BEGIN(attPoints); it != DE_ARRAY_END(attPoints); it++)
 799         {
 800                 TestCaseGroup* const rbAttTests = new TestCaseGroup(m_testCtx, it->name, it->desc);
 801                 TestCaseGroup* const texAttTests = new TestCaseGroup(m_testCtx, it->name, it->desc);
 802
 803                 for (Formats::const_iterator it2 = rboFmts.begin(); it2 != rboFmts.end(); it2++)
 804                 {
 805                         const RenderableParams params = { it->attPoint, GL_RENDERBUFFER, *it2 };
 806                         rbAttTests->addChild(new RenderableTest(*this, params));
 807                 }
 808                 rbRenderableTests->addChild(rbAttTests);
 809
 810                 for (Formats::const_iterator it2 = texFmts.begin(); it2 != texFmts.end(); it2++)
 811                 {
 812                         const RenderableParams params = { it->attPoint, GL_TEXTURE, *it2 };
 813                         texAttTests->addChild(new RenderableTest(*this, params));
 814                 }
 815                 texRenderableTests->addChild(texAttTests);
 816         }
 817         renderableTests->addChild(rbRenderableTests);
 818         renderableTests->addChild(texRenderableTests);
 819
 820         return renderableTests;
 821 }
 822
 823 TestCaseGroup* Context::createAttachmentTests (void)
 824 {
 825         TestCaseGroup* const attCombTests = new TestCaseGroup(
 826                 m_testCtx, "attachment_combinations", "Tests for attachment combinations");
 827
 828         static const GLenum s_bufTypes[] = { GL_NONE, GL_RENDERBUFFER, GL_TEXTURE };
 829         static const Range<GLenum> s_kinds = GLS_ARRAY_RANGE(s_bufTypes);
 830
 831         for (const GLenum* col0 = s_kinds.begin(); col0 != s_kinds.end(); ++col0)
 832                 for (const GLenum* coln = s_kinds.begin(); coln != s_kinds.end(); ++coln)
 833                         for (const GLenum* dep = s_kinds.begin(); dep != s_kinds.end(); ++dep)
 834                                 for (const GLenum* stc = s_kinds.begin(); stc != s_kinds.end(); ++stc)
 835                                 {
 836                                         AttachmentParams params = { *col0, *coln, *dep, *stc };
 837                                         attCombTests->addChild(new AttachmentTest(*this, params));
 838                                 }
 839
 840         return attCombTests;
 841 }
 842
 843 TestCaseGroup* Context::createSizeTests (void)
 844 {
 845         TestCaseGroup* const sizeTests = new TestCaseGroup(
 846                 m_testCtx, "size", "Tests for attachment sizes");
 847         sizeTests->addChild(new EmptyImageTest(
 848                                                         *this, "zero",
 849                                                         "Test for zero-sized image attachment"));
 850         sizeTests->addChild(new DistinctSizeTest(
 851                                                         *this, "distinct",
 852                                                         "Test for attachments with different sizes"));
 853
 854         return sizeTests;
 855 }
 856
 857 } // details
 858
 859 } // fboc
 860 } // gls
 861 } // deqp