external/vulkancts/modules/vulkan/ubo/vktUniformBlockCase.cpp

   1 /*------------------------------------------------------------------------
   2  * Vulkan Conformance Tests
   3  * ------------------------
   4  *
   5  * Copyright (c) 2015 The Khronos Group Inc.
   6  * Copyright (c) 2015 Samsung Electronics Co., Ltd.
   7  * Copyright (c) 2016 The Android Open Source Project
   8  *
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  *
  21  *//*!
  22  * \file
  23  * \brief Uniform block case.
  24  *//*--------------------------------------------------------------------*/
  25
  26 #include "vktUniformBlockCase.hpp"
  27
  28 #include "vkPrograms.hpp"
  29
  30 #include "gluVarType.hpp"
  31 #include "tcuTestLog.hpp"
  32 #include "tcuSurface.hpp"
  33 #include "deRandom.hpp"
  34 #include "deStringUtil.hpp"
  35
  36 #include "tcuTextureUtil.hpp"
  37 #include "deSharedPtr.hpp"
  38
  39 #include "vkMemUtil.hpp"
  40 #include "vkQueryUtil.hpp"
  41 #include "vkTypeUtil.hpp"
  42 #include "vkRef.hpp"
  43 #include "vkRefUtil.hpp"
  44 #include "vkBuilderUtil.hpp"
  45
  46 #include <map>
  47 #include <set>
  48
  49 namespace vkt
  50 {
  51 namespace ubo
  52 {
  53
  54 using namespace vk;
  55
  56 // VarType implementation.
  57
  58 VarType::VarType (void)
  59         : m_type        (TYPE_LAST)
  60         , m_flags       (0)
  61 {
  62 }
  63
  64 VarType::VarType (const VarType& other)
  65         : m_type        (TYPE_LAST)
  66         , m_flags       (0)
  67 {
  68         *this = other;
  69 }
  70
  71 VarType::VarType (glu::DataType basicType, deUint32 flags)
  72         : m_type        (TYPE_BASIC)
  73         , m_flags       (flags)
  74 {
  75         m_data.basicType = basicType;
  76 }
  77
  78 VarType::VarType (const VarType& elementType, int arraySize)
  79         : m_type        (TYPE_ARRAY)
  80         , m_flags       (0)
  81 {
  82         m_data.array.size                       = arraySize;
  83         m_data.array.elementType        = new VarType(elementType);
  84 }
  85
  86 VarType::VarType (const StructType* structPtr)
  87         : m_type        (TYPE_STRUCT)
  88         , m_flags       (0)
  89 {
  90         m_data.structPtr = structPtr;
  91 }
  92
  93 VarType::~VarType (void)
  94 {
  95         if (m_type == TYPE_ARRAY)
  96                 delete m_data.array.elementType;
  97 }
  98
  99 VarType& VarType::operator= (const VarType& other)
 100 {
 101         if (this == &other)
 102                 return *this; // Self-assignment.
 103
 104         if (m_type == TYPE_ARRAY)
 105                 delete m_data.array.elementType;
 106
 107         m_type  = other.m_type;
 108         m_flags = other.m_flags;
 109         m_data  = Data();
 110
 111         if (m_type == TYPE_ARRAY)
 112         {
 113                 m_data.array.elementType        = new VarType(*other.m_data.array.elementType);
 114                 m_data.array.size                       = other.m_data.array.size;
 115         }
 116         else
 117                 m_data = other.m_data;
 118
 119         return *this;
 120 }
 121
 122 // StructType implementation.
 123
 124 void StructType::addMember (const std::string& name, const VarType& type, deUint32 flags)
 125 {
 126         m_members.push_back(StructMember(name, type, flags));
 127 }
 128
 129 // Uniform implementation.
 130
 131 Uniform::Uniform (const std::string& name, const VarType& type, deUint32 flags)
 132         : m_name        (name)
 133         , m_type        (type)
 134         , m_flags       (flags)
 135 {
 136 }
 137
 138 // UniformBlock implementation.
 139
 140 UniformBlock::UniformBlock (const std::string& blockName)
 141         : m_blockName   (blockName)
 142         , m_arraySize   (0)
 143         , m_flags               (0)
 144 {
 145 }
 146
 147 std::ostream& operator<< (std::ostream& stream, const BlockLayoutEntry& entry)
 148 {
 149         stream << entry.name << " { name = " << entry.name
 150                    << ", size = " << entry.size
 151                    << ", activeUniformIndices = [";
 152
 153         for (std::vector<int>::const_iterator i = entry.activeUniformIndices.begin(); i != entry.activeUniformIndices.end(); i++)
 154         {
 155                 if (i != entry.activeUniformIndices.begin())
 156                         stream << ", ";
 157                 stream << *i;
 158         }
 159
 160         stream << "] }";
 161         return stream;
 162 }
 163
 164 std::ostream& operator<< (std::ostream& stream, const UniformLayoutEntry& entry)
 165 {
 166         stream << entry.name << " { type = " << glu::getDataTypeName(entry.type)
 167                    << ", size = " << entry.size
 168                    << ", blockNdx = " << entry.blockNdx
 169                    << ", offset = " << entry.offset
 170                    << ", arrayStride = " << entry.arrayStride
 171                    << ", matrixStride = " << entry.matrixStride
 172                    << ", isRowMajor = " << (entry.isRowMajor ? "true" : "false")
 173                    << " }";
 174         return stream;
 175 }
 176
 177 int UniformLayout::getUniformIndex (const std::string& name) const
 178 {
 179         for (int ndx = 0; ndx < (int)uniforms.size(); ndx++)
 180         {
 181                 if (uniforms[ndx].name == name)
 182                         return ndx;
 183         }
 184
 185         return -1;
 186 }
 187
 188 int UniformLayout::getBlockIndex (const std::string& name) const
 189 {
 190         for (int ndx = 0; ndx < (int)blocks.size(); ndx++)
 191         {
 192                 if (blocks[ndx].name == name)
 193                         return ndx;
 194         }
 195
 196         return -1;
 197 }
 198
 199 // ShaderInterface implementation.
 200
 201 ShaderInterface::ShaderInterface (void)
 202 {
 203 }
 204
 205 ShaderInterface::~ShaderInterface (void)
 206 {
 207 }
 208
 209 StructType& ShaderInterface::allocStruct (const std::string& name)
 210 {
 211         m_structs.push_back(StructTypeSP(new StructType(name)));
 212         return *m_structs.back();
 213 }
 214
 215 struct StructNameEquals
 216 {
 217         std::string name;
 218
 219         StructNameEquals (const std::string& name_) : name(name_) {}
 220
 221         bool operator() (const StructTypeSP type) const
 222         {
 223                 return type->hasTypeName() && name == type->getTypeName();
 224         }
 225 };
 226
 227 void ShaderInterface::getNamedStructs (std::vector<const StructType*>& structs) const
 228 {
 229         for (std::vector<StructTypeSP>::const_iterator i = m_structs.begin(); i != m_structs.end(); i++)
 230         {
 231                 if ((*i)->hasTypeName())
 232                         structs.push_back((*i).get());
 233         }
 234 }
 235
 236 UniformBlock& ShaderInterface::allocBlock (const std::string& name)
 237 {
 238         m_uniformBlocks.push_back(UniformBlockSP(new UniformBlock(name)));
 239         return *m_uniformBlocks.back();
 240 }
 241
 242 namespace // Utilities
 243 {
 244
 245 struct PrecisionFlagsFmt
 246 {
 247         deUint32 flags;
 248         PrecisionFlagsFmt (deUint32 flags_) : flags(flags_) {}
 249 };
 250
 251 std::ostream& operator<< (std::ostream& str, const PrecisionFlagsFmt& fmt)
 252 {
 253         // Precision.
 254         DE_ASSERT(dePop32(fmt.flags & (PRECISION_LOW|PRECISION_MEDIUM|PRECISION_HIGH)) <= 1);
 255         str << (fmt.flags & PRECISION_LOW               ? "lowp"        :
 256                         fmt.flags & PRECISION_MEDIUM    ? "mediump"     :
 257                         fmt.flags & PRECISION_HIGH              ? "highp"       : "");
 258         return str;
 259 }
 260
 261 struct LayoutFlagsFmt
 262 {
 263         deUint32 flags;
 264         LayoutFlagsFmt (deUint32 flags_) : flags(flags_) {}
 265 };
 266
 267 std::ostream& operator<< (std::ostream& str, const LayoutFlagsFmt& fmt)
 268 {
 269         static const struct
 270         {
 271                 deUint32        bit;
 272                 const char*     token;
 273         } bitDesc[] =
 274         {
 275                 { LAYOUT_STD140,                "std140"                },
 276                 { LAYOUT_ROW_MAJOR,             "row_major"             },
 277                 { LAYOUT_COLUMN_MAJOR,  "column_major"  }
 278         };
 279
 280         deUint32 remBits = fmt.flags;
 281         for (int descNdx = 0; descNdx < DE_LENGTH_OF_ARRAY(bitDesc); descNdx++)
 282         {
 283                 if (remBits & bitDesc[descNdx].bit)
 284                 {
 285                         if (remBits != fmt.flags)
 286                                 str << ", ";
 287                         str << bitDesc[descNdx].token;
 288                         remBits &= ~bitDesc[descNdx].bit;
 289                 }
 290         }
 291         DE_ASSERT(remBits == 0);
 292         return str;
 293 }
 294
 295 // Layout computation.
 296
 297 int getDataTypeByteSize (glu::DataType type)
 298 {
 299         return glu::getDataTypeScalarSize(type)*(int)sizeof(deUint32);
 300 }
 301
 302 int getDataTypeByteAlignment (glu::DataType type)
 303 {
 304         switch (type)
 305         {
 306                 case glu::TYPE_FLOAT:
 307                 case glu::TYPE_INT:
 308                 case glu::TYPE_UINT:
 309                 case glu::TYPE_BOOL:            return 1*(int)sizeof(deUint32);
 310
 311                 case glu::TYPE_FLOAT_VEC2:
 312                 case glu::TYPE_INT_VEC2:
 313                 case glu::TYPE_UINT_VEC2:
 314                 case glu::TYPE_BOOL_VEC2:       return 2*(int)sizeof(deUint32);
 315
 316                 case glu::TYPE_FLOAT_VEC3:
 317                 case glu::TYPE_INT_VEC3:
 318                 case glu::TYPE_UINT_VEC3:
 319                 case glu::TYPE_BOOL_VEC3:       // Fall-through to vec4
 320
 321                 case glu::TYPE_FLOAT_VEC4:
 322                 case glu::TYPE_INT_VEC4:
 323                 case glu::TYPE_UINT_VEC4:
 324                 case glu::TYPE_BOOL_VEC4:       return 4*(int)sizeof(deUint32);
 325
 326                 default:
 327                         DE_ASSERT(false);
 328                         return 0;
 329         }
 330 }
 331
 332 deInt32 getminUniformBufferOffsetAlignment (Context &ctx)
 333 {
 334         VkPhysicalDeviceProperties properties;
 335         ctx.getInstanceInterface().getPhysicalDeviceProperties(ctx.getPhysicalDevice(), &properties);
 336         VkDeviceSize align = properties.limits.minUniformBufferOffsetAlignment;
 337         DE_ASSERT(align == (VkDeviceSize)(deInt32)align);
 338         return (deInt32)align;
 339 }
 340
 341 int getDataTypeArrayStride (glu::DataType type)
 342 {
 343         DE_ASSERT(!glu::isDataTypeMatrix(type));
 344
 345         const int baseStride    = getDataTypeByteSize(type);
 346         const int vec4Alignment = (int)sizeof(deUint32)*4;
 347
 348         DE_ASSERT(baseStride <= vec4Alignment);
 349         return de::max(baseStride, vec4Alignment); // Really? See rule 4.
 350 }
 351
 352 static inline int deRoundUp32 (int a, int b)
 353 {
 354         int d = a/b;
 355         return d*b == a ? a : (d+1)*b;
 356 }
 357
 358 int computeStd140BaseAlignment (const VarType& type)
 359 {
 360         const int vec4Alignment = (int)sizeof(deUint32)*4;
 361
 362         if (type.isBasicType())
 363         {
 364                 glu::DataType basicType = type.getBasicType();
 365
 366                 if (glu::isDataTypeMatrix(basicType))
 367                 {
 368                         bool    isRowMajor      = !!(type.getFlags() & LAYOUT_ROW_MAJOR);
 369                         int             vecSize         = isRowMajor ? glu::getDataTypeMatrixNumColumns(basicType)
 370                                                                                          : glu::getDataTypeMatrixNumRows(basicType);
 371
 372                         return getDataTypeArrayStride(glu::getDataTypeFloatVec(vecSize));
 373                 }
 374                 else
 375                         return getDataTypeByteAlignment(basicType);
 376         }
 377         else if (type.isArrayType())
 378         {
 379                 int elemAlignment = computeStd140BaseAlignment(type.getElementType());
 380
 381                 // Round up to alignment of vec4
 382                 return deRoundUp32(elemAlignment, vec4Alignment);
 383         }
 384         else
 385         {
 386                 DE_ASSERT(type.isStructType());
 387
 388                 int maxBaseAlignment = 0;
 389
 390                 for (StructType::ConstIterator memberIter = type.getStruct().begin(); memberIter != type.getStruct().end(); memberIter++)
 391                         maxBaseAlignment = de::max(maxBaseAlignment, computeStd140BaseAlignment(memberIter->getType()));
 392
 393                 return deRoundUp32(maxBaseAlignment, vec4Alignment);
 394         }
 395 }
 396
 397 inline deUint32 mergeLayoutFlags (deUint32 prevFlags, deUint32 newFlags)
 398 {
 399         const deUint32  packingMask             = LAYOUT_STD140;
 400         const deUint32  matrixMask              = LAYOUT_ROW_MAJOR|LAYOUT_COLUMN_MAJOR;
 401
 402         deUint32 mergedFlags = 0;
 403
 404         mergedFlags |= ((newFlags & packingMask)        ? newFlags : prevFlags) & packingMask;
 405         mergedFlags |= ((newFlags & matrixMask)         ? newFlags : prevFlags) & matrixMask;
 406
 407         return mergedFlags;
 408 }
 409
 410 void computeStd140Layout (UniformLayout& layout, int& curOffset, int curBlockNdx, const std::string& curPrefix, const VarType& type, deUint32 layoutFlags)
 411 {
 412         int baseAlignment = computeStd140BaseAlignment(type);
 413
 414         curOffset = deAlign32(curOffset, baseAlignment);
 415
 416         if (type.isBasicType())
 417         {
 418                 glu::DataType           basicType       = type.getBasicType();
 419                 UniformLayoutEntry      entry;
 420
 421                 entry.name                      = curPrefix;
 422                 entry.type                      = basicType;
 423                 entry.size                      = 1;
 424                 entry.arrayStride       = 0;
 425                 entry.matrixStride      = 0;
 426                 entry.blockNdx          = curBlockNdx;
 427
 428                 if (glu::isDataTypeMatrix(basicType))
 429                 {
 430                         // Array of vectors as specified in rules 5 & 7.
 431                         bool    isRowMajor      = !!(layoutFlags & LAYOUT_ROW_MAJOR);
 432                         int             vecSize         = isRowMajor ? glu::getDataTypeMatrixNumColumns(basicType)
 433                                                                                          : glu::getDataTypeMatrixNumRows(basicType);
 434                         int             numVecs         = isRowMajor ? glu::getDataTypeMatrixNumRows(basicType)
 435                                                                                          : glu::getDataTypeMatrixNumColumns(basicType);
 436                         int             stride          = getDataTypeArrayStride(glu::getDataTypeFloatVec(vecSize));
 437
 438                         entry.offset            = curOffset;
 439                         entry.matrixStride      = stride;
 440                         entry.isRowMajor        = isRowMajor;
 441
 442                         curOffset += numVecs*stride;
 443                 }
 444                 else
 445                 {
 446                         // Scalar or vector.
 447                         entry.offset = curOffset;
 448
 449                         curOffset += getDataTypeByteSize(basicType);
 450                 }
 451
 452                 layout.uniforms.push_back(entry);
 453         }
 454         else if (type.isArrayType())
 455         {
 456                 const VarType&  elemType        = type.getElementType();
 457
 458                 if (elemType.isBasicType() && !glu::isDataTypeMatrix(elemType.getBasicType()))
 459                 {
 460                         // Array of scalars or vectors.
 461                         glu::DataType           elemBasicType   = elemType.getBasicType();
 462                         UniformLayoutEntry      entry;
 463                         int                                     stride                  = getDataTypeArrayStride(elemBasicType);
 464
 465                         entry.name                      = curPrefix + "[0]"; // Array uniforms are always postfixed with [0]
 466                         entry.type                      = elemBasicType;
 467                         entry.blockNdx          = curBlockNdx;
 468                         entry.offset            = curOffset;
 469                         entry.size                      = type.getArraySize();
 470                         entry.arrayStride       = stride;
 471                         entry.matrixStride      = 0;
 472
 473                         curOffset += stride*type.getArraySize();
 474
 475                         layout.uniforms.push_back(entry);
 476                 }
 477                 else if (elemType.isBasicType() && glu::isDataTypeMatrix(elemType.getBasicType()))
 478                 {
 479                         // Array of matrices.
 480                         glu::DataType           elemBasicType   = elemType.getBasicType();
 481                         bool                            isRowMajor              = !!(layoutFlags & LAYOUT_ROW_MAJOR);
 482                         int                                     vecSize                 = isRowMajor ? glu::getDataTypeMatrixNumColumns(elemBasicType)
 483                                                                                                                          : glu::getDataTypeMatrixNumRows(elemBasicType);
 484                         int                                     numVecs                 = isRowMajor ? glu::getDataTypeMatrixNumRows(elemBasicType)
 485                                                                                                                          : glu::getDataTypeMatrixNumColumns(elemBasicType);
 486                         int                                     stride                  = getDataTypeArrayStride(glu::getDataTypeFloatVec(vecSize));
 487                         UniformLayoutEntry      entry;
 488
 489                         entry.name                      = curPrefix + "[0]"; // Array uniforms are always postfixed with [0]
 490                         entry.type                      = elemBasicType;
 491                         entry.blockNdx          = curBlockNdx;
 492                         entry.offset            = curOffset;
 493                         entry.size                      = type.getArraySize();
 494                         entry.arrayStride       = stride*numVecs;
 495                         entry.matrixStride      = stride;
 496                         entry.isRowMajor        = isRowMajor;
 497
 498                         curOffset += numVecs*type.getArraySize()*stride;
 499
 500                         layout.uniforms.push_back(entry);
 501                 }
 502                 else
 503                 {
 504                         DE_ASSERT(elemType.isStructType() || elemType.isArrayType());
 505
 506                         for (int elemNdx = 0; elemNdx < type.getArraySize(); elemNdx++)
 507                                 computeStd140Layout(layout, curOffset, curBlockNdx, curPrefix + "[" + de::toString(elemNdx) + "]", type.getElementType(), layoutFlags);
 508                 }
 509         }
 510         else
 511         {
 512                 DE_ASSERT(type.isStructType());
 513
 514                 for (StructType::ConstIterator memberIter = type.getStruct().begin(); memberIter != type.getStruct().end(); memberIter++)
 515                         computeStd140Layout(layout, curOffset, curBlockNdx, curPrefix + "." + memberIter->getName(), memberIter->getType(), layoutFlags);
 516
 517                 curOffset = deAlign32(curOffset, baseAlignment);
 518         }
 519 }
 520
 521 void computeStd140Layout (UniformLayout& layout, const ShaderInterface& interface)
 522 {
 523         int numUniformBlocks = interface.getNumUniformBlocks();
 524
 525         for (int blockNdx = 0; blockNdx < numUniformBlocks; blockNdx++)
 526         {
 527                 const UniformBlock&     block                   = interface.getUniformBlock(blockNdx);
 528                 bool                            hasInstanceName = block.hasInstanceName();
 529                 std::string                     blockPrefix             = hasInstanceName ? (block.getBlockName() + ".") : "";
 530                 int                                     curOffset               = 0;
 531                 int                                     activeBlockNdx  = (int)layout.blocks.size();
 532                 int                                     firstUniformNdx = (int)layout.uniforms.size();
 533
 534                 for (UniformBlock::ConstIterator uniformIter = block.begin(); uniformIter != block.end(); uniformIter++)
 535                 {
 536                         const Uniform& uniform = *uniformIter;
 537                         computeStd140Layout(layout, curOffset, activeBlockNdx, blockPrefix + uniform.getName(), uniform.getType(), mergeLayoutFlags(block.getFlags(), uniform.getFlags()));
 538                 }
 539
 540                 int     uniformIndicesEnd       = (int)layout.uniforms.size();
 541                 int     blockSize                       = curOffset;
 542                 int     numInstances            = block.isArray() ? block.getArraySize() : 1;
 543
 544                 // Create block layout entries for each instance.
 545                 for (int instanceNdx = 0; instanceNdx < numInstances; instanceNdx++)
 546                 {
 547                         // Allocate entry for instance.
 548                         layout.blocks.push_back(BlockLayoutEntry());
 549                         BlockLayoutEntry& blockEntry = layout.blocks.back();
 550
 551                         blockEntry.name = block.getBlockName();
 552                         blockEntry.size = blockSize;
 553                         blockEntry.bindingNdx = blockNdx;
 554                         blockEntry.instanceNdx = instanceNdx;
 555
 556                         // Compute active uniform set for block.
 557                         for (int uniformNdx = firstUniformNdx; uniformNdx < uniformIndicesEnd; uniformNdx++)
 558                                 blockEntry.activeUniformIndices.push_back(uniformNdx);
 559
 560                         if (block.isArray())
 561                                 blockEntry.name += "[" + de::toString(instanceNdx) + "]";
 562                 }
 563         }
 564 }
 565
 566 // Value generator.
 567
 568 void generateValue (const UniformLayoutEntry& entry, void* basePtr, de::Random& rnd)
 569 {
 570         glu::DataType   scalarType              = glu::getDataTypeScalarType(entry.type);
 571         int                             scalarSize              = glu::getDataTypeScalarSize(entry.type);
 572         bool                    isMatrix                = glu::isDataTypeMatrix(entry.type);
 573         int                             numVecs                 = isMatrix ? (entry.isRowMajor ? glu::getDataTypeMatrixNumRows(entry.type) : glu::getDataTypeMatrixNumColumns(entry.type)) : 1;
 574         int                             vecSize                 = scalarSize / numVecs;
 575         bool                    isArray                 = entry.size > 1;
 576         const int               compSize                = sizeof(deUint32);
 577
 578         DE_ASSERT(scalarSize%numVecs == 0);
 579
 580         for (int elemNdx = 0; elemNdx < entry.size; elemNdx++)
 581         {
 582                 deUint8* elemPtr = (deUint8*)basePtr + entry.offset + (isArray ? elemNdx*entry.arrayStride : 0);
 583
 584                 for (int vecNdx = 0; vecNdx < numVecs; vecNdx++)
 585                 {
 586                         deUint8* vecPtr = elemPtr + (isMatrix ? vecNdx*entry.matrixStride : 0);
 587
 588                         for (int compNdx = 0; compNdx < vecSize; compNdx++)
 589                         {
 590                                 deUint8* compPtr = vecPtr + compSize*compNdx;
 591
 592                                 switch (scalarType)
 593                                 {
 594                                         case glu::TYPE_FLOAT:   *((float*)compPtr)              = (float)rnd.getInt(-9, 9);                                             break;
 595                                         case glu::TYPE_INT:             *((int*)compPtr)                = rnd.getInt(-9, 9);                                                    break;
 596                                         case glu::TYPE_UINT:    *((deUint32*)compPtr)   = (deUint32)rnd.getInt(0, 9);                                   break;
 597                                         // \note Random bit pattern is used for true values. Spec states that all non-zero values are
 598                                         //       interpreted as true but some implementations fail this.
 599                                         case glu::TYPE_BOOL:    *((deUint32*)compPtr)   = rnd.getBool() ? rnd.getUint32()|1u : 0u;              break;
 600                                         default:
 601                                                 DE_ASSERT(false);
 602                                 }
 603                         }
 604                 }
 605         }
 606 }
 607
 608 void generateValues (const UniformLayout& layout, const std::map<int, void*>& blockPointers, deUint32 seed)
 609 {
 610         de::Random      rnd                     (seed);
 611         int                     numBlocks       = (int)layout.blocks.size();
 612
 613         for (int blockNdx = 0; blockNdx < numBlocks; blockNdx++)
 614         {
 615                 void*   basePtr         = blockPointers.find(blockNdx)->second;
 616                 int             numEntries      = (int)layout.blocks[blockNdx].activeUniformIndices.size();
 617
 618                 for (int entryNdx = 0; entryNdx < numEntries; entryNdx++)
 619                 {
 620                         const UniformLayoutEntry& entry = layout.uniforms[layout.blocks[blockNdx].activeUniformIndices[entryNdx]];
 621                         generateValue(entry, basePtr, rnd);
 622                 }
 623         }
 624 }
 625
 626 // Shader generator.
 627
 628 const char* getCompareFuncForType (glu::DataType type)
 629 {
 630         switch (type)
 631         {
 632                 case glu::TYPE_FLOAT:                   return "mediump float compare_float    (highp float a, highp float b)  { return abs(a - b) < 0.05 ? 1.0 : 0.0; }\n";
 633                 case glu::TYPE_FLOAT_VEC2:              return "mediump float compare_vec2     (highp vec2 a, highp vec2 b)    { return compare_float(a.x, b.x)*compare_float(a.y, b.y); }\n";
 634                 case glu::TYPE_FLOAT_VEC3:              return "mediump float compare_vec3     (highp vec3 a, highp vec3 b)    { return compare_float(a.x, b.x)*compare_float(a.y, b.y)*compare_float(a.z, b.z); }\n";
 635                 case glu::TYPE_FLOAT_VEC4:              return "mediump float compare_vec4     (highp vec4 a, highp vec4 b)    { return compare_float(a.x, b.x)*compare_float(a.y, b.y)*compare_float(a.z, b.z)*compare_float(a.w, b.w); }\n";
 636                 case glu::TYPE_FLOAT_MAT2:              return "mediump float compare_mat2     (highp mat2 a, highp mat2 b)    { return compare_vec2(a[0], b[0])*compare_vec2(a[1], b[1]); }\n";
 637                 case glu::TYPE_FLOAT_MAT2X3:    return "mediump float compare_mat2x3   (highp mat2x3 a, highp mat2x3 b){ return compare_vec3(a[0], b[0])*compare_vec3(a[1], b[1]); }\n";
 638                 case glu::TYPE_FLOAT_MAT2X4:    return "mediump float compare_mat2x4   (highp mat2x4 a, highp mat2x4 b){ return compare_vec4(a[0], b[0])*compare_vec4(a[1], b[1]); }\n";
 639                 case glu::TYPE_FLOAT_MAT3X2:    return "mediump float compare_mat3x2   (highp mat3x2 a, highp mat3x2 b){ return compare_vec2(a[0], b[0])*compare_vec2(a[1], b[1])*compare_vec2(a[2], b[2]); }\n";
 640                 case glu::TYPE_FLOAT_MAT3:              return "mediump float compare_mat3     (highp mat3 a, highp mat3 b)    { return compare_vec3(a[0], b[0])*compare_vec3(a[1], b[1])*compare_vec3(a[2], b[2]); }\n";
 641                 case glu::TYPE_FLOAT_MAT3X4:    return "mediump float compare_mat3x4   (highp mat3x4 a, highp mat3x4 b){ return compare_vec4(a[0], b[0])*compare_vec4(a[1], b[1])*compare_vec4(a[2], b[2]); }\n";
 642                 case glu::TYPE_FLOAT_MAT4X2:    return "mediump float compare_mat4x2   (highp mat4x2 a, highp mat4x2 b){ return compare_vec2(a[0], b[0])*compare_vec2(a[1], b[1])*compare_vec2(a[2], b[2])*compare_vec2(a[3], b[3]); }\n";
 643                 case glu::TYPE_FLOAT_MAT4X3:    return "mediump float compare_mat4x3   (highp mat4x3 a, highp mat4x3 b){ return compare_vec3(a[0], b[0])*compare_vec3(a[1], b[1])*compare_vec3(a[2], b[2])*compare_vec3(a[3], b[3]); }\n";
 644                 case glu::TYPE_FLOAT_MAT4:              return "mediump float compare_mat4     (highp mat4 a, highp mat4 b)    { return compare_vec4(a[0], b[0])*compare_vec4(a[1], b[1])*compare_vec4(a[2], b[2])*compare_vec4(a[3], b[3]); }\n";
 645                 case glu::TYPE_INT:                             return "mediump float compare_int      (highp int a, highp int b)      { return a == b ? 1.0 : 0.0; }\n";
 646                 case glu::TYPE_INT_VEC2:                return "mediump float compare_ivec2    (highp ivec2 a, highp ivec2 b)  { return a == b ? 1.0 : 0.0; }\n";
 647                 case glu::TYPE_INT_VEC3:                return "mediump float compare_ivec3    (highp ivec3 a, highp ivec3 b)  { return a == b ? 1.0 : 0.0; }\n";
 648                 case glu::TYPE_INT_VEC4:                return "mediump float compare_ivec4    (highp ivec4 a, highp ivec4 b)  { return a == b ? 1.0 : 0.0; }\n";
 649                 case glu::TYPE_UINT:                    return "mediump float compare_uint     (highp uint a, highp uint b)    { return a == b ? 1.0 : 0.0; }\n";
 650                 case glu::TYPE_UINT_VEC2:               return "mediump float compare_uvec2    (highp uvec2 a, highp uvec2 b)  { return a == b ? 1.0 : 0.0; }\n";
 651                 case glu::TYPE_UINT_VEC3:               return "mediump float compare_uvec3    (highp uvec3 a, highp uvec3 b)  { return a == b ? 1.0 : 0.0; }\n";
 652                 case glu::TYPE_UINT_VEC4:               return "mediump float compare_uvec4    (highp uvec4 a, highp uvec4 b)  { return a == b ? 1.0 : 0.0; }\n";
 653                 case glu::TYPE_BOOL:                    return "mediump float compare_bool     (bool a, bool b)                { return a == b ? 1.0 : 0.0; }\n";
 654                 case glu::TYPE_BOOL_VEC2:               return "mediump float compare_bvec2    (bvec2 a, bvec2 b)              { return a == b ? 1.0 : 0.0; }\n";
 655                 case glu::TYPE_BOOL_VEC3:               return "mediump float compare_bvec3    (bvec3 a, bvec3 b)              { return a == b ? 1.0 : 0.0; }\n";
 656                 case glu::TYPE_BOOL_VEC4:               return "mediump float compare_bvec4    (bvec4 a, bvec4 b)              { return a == b ? 1.0 : 0.0; }\n";
 657                 default:
 658                         DE_ASSERT(false);
 659                         return DE_NULL;
 660         }
 661 }
 662
 663 void getCompareDependencies (std::set<glu::DataType>& compareFuncs, glu::DataType basicType)
 664 {
 665         switch (basicType)
 666         {
 667                 case glu::TYPE_FLOAT_VEC2:
 668                 case glu::TYPE_FLOAT_VEC3:
 669                 case glu::TYPE_FLOAT_VEC4:
 670                         compareFuncs.insert(glu::TYPE_FLOAT);
 671                         compareFuncs.insert(basicType);
 672                         break;
 673
 674                 case glu::TYPE_FLOAT_MAT2:
 675                 case glu::TYPE_FLOAT_MAT2X3:
 676                 case glu::TYPE_FLOAT_MAT2X4:
 677                 case glu::TYPE_FLOAT_MAT3X2:
 678                 case glu::TYPE_FLOAT_MAT3:
 679                 case glu::TYPE_FLOAT_MAT3X4:
 680                 case glu::TYPE_FLOAT_MAT4X2:
 681                 case glu::TYPE_FLOAT_MAT4X3:
 682                 case glu::TYPE_FLOAT_MAT4:
 683                         compareFuncs.insert(glu::TYPE_FLOAT);
 684                         compareFuncs.insert(glu::getDataTypeFloatVec(glu::getDataTypeMatrixNumRows(basicType)));
 685                         compareFuncs.insert(basicType);
 686                         break;
 687
 688                 default:
 689                         compareFuncs.insert(basicType);
 690                         break;
 691         }
 692 }
 693
 694 void collectUniqueBasicTypes (std::set<glu::DataType>& basicTypes, const VarType& type)
 695 {
 696         if (type.isStructType())
 697         {
 698                 for (StructType::ConstIterator iter = type.getStruct().begin(); iter != type.getStruct().end(); ++iter)
 699                         collectUniqueBasicTypes(basicTypes, iter->getType());
 700         }
 701         else if (type.isArrayType())
 702                 collectUniqueBasicTypes(basicTypes, type.getElementType());
 703         else
 704         {
 705                 DE_ASSERT(type.isBasicType());
 706                 basicTypes.insert(type.getBasicType());
 707         }
 708 }
 709
 710 void collectUniqueBasicTypes (std::set<glu::DataType>& basicTypes, const UniformBlock& uniformBlock)
 711 {
 712         for (UniformBlock::ConstIterator iter = uniformBlock.begin(); iter != uniformBlock.end(); ++iter)
 713                 collectUniqueBasicTypes(basicTypes, iter->getType());
 714 }
 715
 716 void collectUniqueBasicTypes (std::set<glu::DataType>& basicTypes, const ShaderInterface& interface)
 717 {
 718         for (int ndx = 0; ndx < interface.getNumUniformBlocks(); ++ndx)
 719                 collectUniqueBasicTypes(basicTypes, interface.getUniformBlock(ndx));
 720 }
 721
 722 void generateCompareFuncs (std::ostream& str, const ShaderInterface& interface)
 723 {
 724         std::set<glu::DataType> types;
 725         std::set<glu::DataType> compareFuncs;
 726
 727         // Collect unique basic types
 728         collectUniqueBasicTypes(types, interface);
 729
 730         // Set of compare functions required
 731         for (std::set<glu::DataType>::const_iterator iter = types.begin(); iter != types.end(); ++iter)
 732         {
 733                 getCompareDependencies(compareFuncs, *iter);
 734         }
 735
 736         for (int type = 0; type < glu::TYPE_LAST; ++type)
 737         {
 738                 if (compareFuncs.find(glu::DataType(type)) != compareFuncs.end())
 739                         str << getCompareFuncForType(glu::DataType(type));
 740         }
 741 }
 742
 743 struct Indent
 744 {
 745         int level;
 746         Indent (int level_) : level(level_) {}
 747 };
 748
 749 std::ostream& operator<< (std::ostream& str, const Indent& indent)
 750 {
 751         for (int i = 0; i < indent.level; i++)
 752                 str << "\t";
 753         return str;
 754 }
 755
 756 void            generateDeclaration                     (std::ostringstream& src, const VarType& type, const std::string& name, int indentLevel, deUint32 unusedHints);
 757 void            generateDeclaration                     (std::ostringstream& src, const Uniform& uniform, int indentLevel);
 758 void            generateDeclaration                     (std::ostringstream& src, const StructType& structType, int indentLevel);
 759
 760 void            generateLocalDeclaration        (std::ostringstream& src, const StructType& structType, int indentLevel);
 761 void            generateFullDeclaration         (std::ostringstream& src, const StructType& structType, int indentLevel);
 762
 763 void generateDeclaration (std::ostringstream& src, const StructType& structType, int indentLevel)
 764 {
 765         DE_ASSERT(structType.hasTypeName());
 766         generateFullDeclaration(src, structType, indentLevel);
 767         src << ";\n";
 768 }
 769
 770 void generateFullDeclaration (std::ostringstream& src, const StructType& structType, int indentLevel)
 771 {
 772         src << "struct";
 773         if (structType.hasTypeName())
 774                 src << " " << structType.getTypeName();
 775         src << "\n" << Indent(indentLevel) << "{\n";
 776
 777         for (StructType::ConstIterator memberIter = structType.begin(); memberIter != structType.end(); memberIter++)
 778         {
 779                 src << Indent(indentLevel + 1);
 780                 generateDeclaration(src, memberIter->getType(), memberIter->getName(), indentLevel + 1, memberIter->getFlags() & UNUSED_BOTH);
 781         }
 782
 783         src << Indent(indentLevel) << "}";
 784 }
 785
 786 void generateLocalDeclaration (std::ostringstream& src, const StructType& structType, int /* indentLevel */)
 787 {
 788         src << structType.getTypeName();
 789 }
 790
 791 void generateDeclaration (std::ostringstream& src, const VarType& type, const std::string& name, int indentLevel, deUint32 unusedHints)
 792 {
 793         deUint32 flags = type.getFlags();
 794
 795         if ((flags & LAYOUT_MASK) != 0)
 796                 src << "layout(" << LayoutFlagsFmt(flags & LAYOUT_MASK) << ") ";
 797
 798         if ((flags & PRECISION_MASK) != 0)
 799                 src << PrecisionFlagsFmt(flags & PRECISION_MASK) << " ";
 800
 801         if (type.isBasicType())
 802                 src << glu::getDataTypeName(type.getBasicType()) << " " << name;
 803         else if (type.isArrayType())
 804         {
 805                 std::vector<int>        arraySizes;
 806                 const VarType*          curType         = &type;
 807                 while (curType->isArrayType())
 808                 {
 809                         arraySizes.push_back(curType->getArraySize());
 810                         curType = &curType->getElementType();
 811                 }
 812
 813                 if (curType->isBasicType())
 814                 {
 815                         if ((curType->getFlags() & PRECISION_MASK) != 0)
 816                                 src << PrecisionFlagsFmt(curType->getFlags() & PRECISION_MASK) << " ";
 817                         src << glu::getDataTypeName(curType->getBasicType());
 818                 }
 819                 else
 820                 {
 821                         DE_ASSERT(curType->isStructType());
 822                         generateLocalDeclaration(src, curType->getStruct(), indentLevel+1);
 823                 }
 824
 825                 src << " " << name;
 826
 827                 for (std::vector<int>::const_iterator sizeIter = arraySizes.begin(); sizeIter != arraySizes.end(); sizeIter++)
 828                         src << "[" << *sizeIter << "]";
 829         }
 830         else
 831         {
 832                 generateLocalDeclaration(src, type.getStruct(), indentLevel+1);
 833                 src << " " << name;
 834         }
 835
 836         src << ";";
 837
 838         // Print out unused hints.
 839         if (unusedHints != 0)
 840                 src << " // unused in " << (unusedHints == UNUSED_BOTH          ? "both shaders"        :
 841                                                                         unusedHints == UNUSED_VERTEX    ? "vertex shader"       :
 842                                                                         unusedHints == UNUSED_FRAGMENT  ? "fragment shader" : "???");
 843
 844         src << "\n";
 845 }
 846
 847 void generateDeclaration (std::ostringstream& src, const Uniform& uniform, int indentLevel)
 848 {
 849         if ((uniform.getFlags() & LAYOUT_MASK) != 0)
 850                 src << "layout(" << LayoutFlagsFmt(uniform.getFlags() & LAYOUT_MASK) << ") ";
 851
 852         generateDeclaration(src, uniform.getType(), uniform.getName(), indentLevel, uniform.getFlags() & UNUSED_BOTH);
 853 }
 854
 855 void generateDeclaration (std::ostringstream& src, int blockNdx, const UniformBlock& block)
 856 {
 857         src << "layout(set = 0, binding = " << blockNdx;
 858         if ((block.getFlags() & LAYOUT_MASK) != 0)
 859                 src << ", " << LayoutFlagsFmt(block.getFlags() & LAYOUT_MASK);
 860         src << ") ";
 861
 862         src << "uniform " << block.getBlockName();
 863         src << "\n{\n";
 864
 865         for (UniformBlock::ConstIterator uniformIter = block.begin(); uniformIter != block.end(); uniformIter++)
 866         {
 867                 src << Indent(1);
 868                 generateDeclaration(src, *uniformIter, 1 /* indent level */);
 869         }
 870
 871         src << "}";
 872
 873         if (block.hasInstanceName())
 874         {
 875                 src << " " << block.getInstanceName();
 876                 if (block.isArray())
 877                         src << "[" << block.getArraySize() << "]";
 878         }
 879         else
 880                 DE_ASSERT(!block.isArray());
 881
 882         src << ";\n";
 883 }
 884
 885 void generateValueSrc (std::ostringstream& src, const UniformLayoutEntry& entry, const void* basePtr, int elementNdx)
 886 {
 887         glu::DataType   scalarType              = glu::getDataTypeScalarType(entry.type);
 888         int                             scalarSize              = glu::getDataTypeScalarSize(entry.type);
 889         bool                    isArray                 = entry.size > 1;
 890         const deUint8*  elemPtr                 = (const deUint8*)basePtr + entry.offset + (isArray ? elementNdx * entry.arrayStride : 0);
 891         const int               compSize                = sizeof(deUint32);
 892
 893         if (scalarSize > 1)
 894                 src << glu::getDataTypeName(entry.type) << "(";
 895
 896         if (glu::isDataTypeMatrix(entry.type))
 897         {
 898                 int     numRows = glu::getDataTypeMatrixNumRows(entry.type);
 899                 int     numCols = glu::getDataTypeMatrixNumColumns(entry.type);
 900
 901                 DE_ASSERT(scalarType == glu::TYPE_FLOAT);
 902
 903                 // Constructed in column-wise order.
 904                 for (int colNdx = 0; colNdx < numCols; colNdx++)
 905                 {
 906                         for (int rowNdx = 0; rowNdx < numRows; rowNdx++)
 907                         {
 908                                 const deUint8*  compPtr = elemPtr + (entry.isRowMajor ? (rowNdx * entry.matrixStride + colNdx * compSize)
 909                                                                                                                                           : (colNdx * entry.matrixStride + rowNdx * compSize));
 910
 911                                 if (colNdx > 0 || rowNdx > 0)
 912                                         src << ", ";
 913
 914                                 src << de::floatToString(*((const float*)compPtr), 1);
 915                         }
 916                 }
 917         }
 918         else
 919         {
 920                 for (int scalarNdx = 0; scalarNdx < scalarSize; scalarNdx++)
 921                 {
 922                         const deUint8* compPtr = elemPtr + scalarNdx * compSize;
 923
 924                         if (scalarNdx > 0)
 925                                 src << ", ";
 926
 927                         switch (scalarType)
 928                         {
 929                                 case glu::TYPE_FLOAT:   src << de::floatToString(*((const float*)compPtr), 1);                  break;
 930                                 case glu::TYPE_INT:             src << *((const int*)compPtr);                                                                  break;
 931                                 case glu::TYPE_UINT:    src << *((const deUint32*)compPtr) << "u";                                              break;
 932                                 case glu::TYPE_BOOL:    src << (*((const deUint32*)compPtr) != 0u ? "true" : "false");  break;
 933                                 default:
 934                                         DE_ASSERT(false);
 935                         }
 936                 }
 937         }
 938
 939         if (scalarSize > 1)
 940                 src << ")";
 941 }
 942
 943 void generateCompareSrc (std::ostringstream&    src,
 944                                                  const char*                    resultVar,
 945                                                  const VarType&                 type,
 946                                                  const std::string&             srcName,
 947                                                  const std::string&             apiName,
 948                                                  const UniformLayout&   layout,
 949                                                  const void*                    basePtr,
 950                                                  deUint32                               unusedMask)
 951 {
 952         if (type.isBasicType() || (type.isArrayType() && type.getElementType().isBasicType()))
 953         {
 954                 // Basic type or array of basic types.
 955                 bool                                            isArray                 = type.isArrayType();
 956                 glu::DataType                           elementType             = isArray ? type.getElementType().getBasicType() : type.getBasicType();
 957                 const char*                                     typeName                = glu::getDataTypeName(elementType);
 958                 std::string                                     fullApiName             = std::string(apiName) + (isArray ? "[0]" : ""); // Arrays are always postfixed with [0]
 959                 int                                                     uniformNdx              = layout.getUniformIndex(fullApiName);
 960                 const UniformLayoutEntry&       entry                   = layout.uniforms[uniformNdx];
 961
 962                 if (isArray)
 963                 {
 964                         for (int elemNdx = 0; elemNdx < type.getArraySize(); elemNdx++)
 965                         {
 966                                 src << "\tresult *= compare_" << typeName << "(" << srcName << "[" << elemNdx << "], ";
 967                                 generateValueSrc(src, entry, basePtr, elemNdx);
 968                                 src << ");\n";
 969                         }
 970                 }
 971                 else
 972                 {
 973                         src << "\tresult *= compare_" << typeName << "(" << srcName << ", ";
 974                         generateValueSrc(src, entry, basePtr, 0);
 975                         src << ");\n";
 976                 }
 977         }
 978         else if (type.isArrayType())
 979         {
 980                 const VarType& elementType = type.getElementType();
 981
 982                 for (int elementNdx = 0; elementNdx < type.getArraySize(); elementNdx++)
 983                 {
 984                         std::string op = std::string("[") + de::toString(elementNdx) + "]";
 985                         std::string elementSrcName = std::string(srcName) + op;
 986                         std::string elementApiName = std::string(apiName) + op;
 987                         generateCompareSrc(src, resultVar, elementType, elementSrcName, elementApiName, layout, basePtr, unusedMask);
 988                 }
 989         }
 990         else
 991         {
 992                 DE_ASSERT(type.isStructType());
 993
 994                 for (StructType::ConstIterator memberIter = type.getStruct().begin(); memberIter != type.getStruct().end(); memberIter++)
 995                 {
 996                         if (memberIter->getFlags() & unusedMask)
 997                                 continue; // Skip member.
 998
 999                         std::string op = std::string(".") + memberIter->getName();
1000                         std::string memberSrcName = std::string(srcName) + op;
1001                         std::string memberApiName = std::string(apiName) + op;
1002                         generateCompareSrc(src, resultVar, memberIter->getType(), memberSrcName, memberApiName, layout, basePtr, unusedMask);
1003                 }
1004         }
1005 }
1006
1007 void generateCompareSrc (std::ostringstream& src, const char* resultVar, const ShaderInterface& interface, const UniformLayout& layout, const std::map<int, void*>& blockPointers, bool isVertex)
1008 {
1009         deUint32 unusedMask = isVertex ? UNUSED_VERTEX : UNUSED_FRAGMENT;
1010
1011         for (int blockNdx = 0; blockNdx < interface.getNumUniformBlocks(); blockNdx++)
1012         {
1013                 const UniformBlock& block = interface.getUniformBlock(blockNdx);
1014
1015                 if ((block.getFlags() & (isVertex ? DECLARE_VERTEX : DECLARE_FRAGMENT)) == 0)
1016                         continue; // Skip.
1017
1018                 bool                    hasInstanceName = block.hasInstanceName();
1019                 bool                    isArray                 = block.isArray();
1020                 int                             numInstances    = isArray ? block.getArraySize() : 1;
1021                 std::string             apiPrefix               = hasInstanceName ? block.getBlockName() + "." : std::string("");
1022
1023                 DE_ASSERT(!isArray || hasInstanceName);
1024
1025                 for (int instanceNdx = 0; instanceNdx < numInstances; instanceNdx++)
1026                 {
1027                         std::string             instancePostfix         = isArray ? std::string("[") + de::toString(instanceNdx) + "]" : std::string("");
1028                         std::string             blockInstanceName       = block.getBlockName() + instancePostfix;
1029                         std::string             srcPrefix                       = hasInstanceName ? block.getInstanceName() + instancePostfix + "." : std::string("");
1030                         int                             activeBlockNdx          = layout.getBlockIndex(blockInstanceName);
1031                         void*                   basePtr                         = blockPointers.find(activeBlockNdx)->second;
1032
1033                         for (UniformBlock::ConstIterator uniformIter = block.begin(); uniformIter != block.end(); uniformIter++)
1034                         {
1035                                 const Uniform& uniform = *uniformIter;
1036
1037                                 if (uniform.getFlags() & unusedMask)
1038                                         continue; // Don't read from that uniform.
1039
1040                                 std::string srcName = srcPrefix + uniform.getName();
1041                                 std::string apiName = apiPrefix + uniform.getName();
1042                                 generateCompareSrc(src, resultVar, uniform.getType(), srcName, apiName, layout, basePtr, unusedMask);
1043                         }
1044                 }
1045         }
1046 }
1047
1048 std::string generateVertexShader (const ShaderInterface& interface, const UniformLayout& layout, const std::map<int, void*>& blockPointers)
1049 {
1050         std::ostringstream src;
1051         src << "#version 450\n";
1052
1053         src << "layout(location = 0) in highp vec4 a_position;\n";
1054         src << "layout(location = 0) out mediump float v_vtxResult;\n";
1055         src << "\n";
1056
1057         std::vector<const StructType*> namedStructs;
1058         interface.getNamedStructs(namedStructs);
1059         for (std::vector<const StructType*>::const_iterator structIter = namedStructs.begin(); structIter != namedStructs.end(); structIter++)
1060                 generateDeclaration(src, **structIter, 0);
1061
1062         for (int blockNdx = 0; blockNdx < interface.getNumUniformBlocks(); blockNdx++)
1063         {
1064                 const UniformBlock& block = interface.getUniformBlock(blockNdx);
1065                 if (block.getFlags() & DECLARE_VERTEX)
1066                         generateDeclaration(src, blockNdx, block);
1067         }
1068
1069         // Comparison utilities.
1070         src << "\n";
1071         generateCompareFuncs(src, interface);
1072
1073         src << "\n"
1074                    "void main (void)\n"
1075                    "{\n"
1076                    "    gl_Position = a_position;\n"
1077                    "    mediump float result = 1.0;\n";
1078
1079         // Value compare.
1080         generateCompareSrc(src, "result", interface, layout, blockPointers, true);
1081
1082         src << "        v_vtxResult = result;\n"
1083                    "}\n";
1084
1085         return src.str();
1086 }
1087
1088 std::string generateFragmentShader (const ShaderInterface& interface, const UniformLayout& layout, const std::map<int, void*>& blockPointers)
1089 {
1090         std::ostringstream src;
1091         src << "#version 450\n";
1092
1093         src << "layout(location = 0) in mediump float v_vtxResult;\n";
1094         src << "layout(location = 0) out mediump vec4 dEQP_FragColor;\n";
1095         src << "\n";
1096
1097         std::vector<const StructType*> namedStructs;
1098         interface.getNamedStructs(namedStructs);
1099         for (std::vector<const StructType*>::const_iterator structIter = namedStructs.begin(); structIter != namedStructs.end(); structIter++)
1100                 generateDeclaration(src, **structIter, 0);
1101
1102         for (int blockNdx = 0; blockNdx < interface.getNumUniformBlocks(); blockNdx++)
1103         {
1104                 const UniformBlock& block = interface.getUniformBlock(blockNdx);
1105                 if (block.getFlags() & DECLARE_FRAGMENT)
1106                         generateDeclaration(src, blockNdx, block);
1107         }
1108
1109         // Comparison utilities.
1110         src << "\n";
1111         generateCompareFuncs(src, interface);
1112
1113         src << "\n"
1114                    "void main (void)\n"
1115                    "{\n"
1116                    "    mediump float result = 1.0;\n";
1117
1118         // Value compare.
1119         generateCompareSrc(src, "result", interface, layout, blockPointers, false);
1120
1121         src << "        dEQP_FragColor = vec4(1.0, v_vtxResult, result, 1.0);\n"
1122                    "}\n";
1123
1124         return src.str();
1125 }
1126
1127 Move<VkBuffer> createBuffer (Context& context, VkDeviceSize bufferSize, vk::VkBufferUsageFlags usageFlags)
1128 {
1129         const VkDevice                          vkDevice                        = context.getDevice();
1130         const DeviceInterface&          vk                                      = context.getDeviceInterface();
1131         const deUint32                          queueFamilyIndex        = context.getUniversalQueueFamilyIndex();
1132
1133         const VkBufferCreateInfo        bufferInfo                      =
1134         {
1135                 VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,   // VkStructureType              sType;
1136                 DE_NULL,                                                                // const void*                  pNext;
1137                 0u,                                                                             // VkBufferCreateFlags  flags;
1138                 bufferSize,                                                             // VkDeviceSize                 size;
1139                 usageFlags,                                                             // VkBufferUsageFlags   usage;
1140                 VK_SHARING_MODE_EXCLUSIVE,                              // VkSharingMode                sharingMode;
1141                 1u,                                                                             // deUint32                             queueFamilyIndexCount;
1142                 &queueFamilyIndex                                               // const deUint32*              pQueueFamilyIndices;
1143         };
1144
1145         return vk::createBuffer(vk, vkDevice, &bufferInfo);
1146 }
1147
1148 Move<vk::VkImage> createImage2D (Context& context, deUint32 width, deUint32 height, vk::VkFormat format, vk::VkImageTiling tiling, vk::VkImageUsageFlags usageFlags)
1149 {
1150         const deUint32                          queueFamilyIndex        = context.getUniversalQueueFamilyIndex();
1151         const vk::VkImageCreateInfo     params                          =
1152         {
1153                 vk::VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,        // VkStructureType                      sType
1154                 DE_NULL,                                                                        // const void*                          pNext
1155                 0u,                                                                                     // VkImageCreateFlags           flags
1156                 vk::VK_IMAGE_TYPE_2D,                                           // VkImageType                          imageType
1157                 format,                                                                         // VkFormat                                     format
1158                 { width, height, 1u },                                          // VkExtent3D                           extent
1159                 1u,                                                                                     // deUint32                                     mipLevels
1160                 1u,                                                                                     // deUint32                                     arrayLayers
1161                 VK_SAMPLE_COUNT_1_BIT,                                          // VkSampleCountFlagBits        samples
1162                 tiling,                                                                         // VkImageTiling                        tiling
1163                 usageFlags,                                                                     // VkImageUsageFlags            usage
1164                 vk::VK_SHARING_MODE_EXCLUSIVE,                          // VkSharingMode                        sharingMode
1165                 1u,                                                                                     // deUint32                                     queueFamilyIndexCount
1166                 &queueFamilyIndex,                                                      // const deUint32*                      pQueueFamilyIndices
1167                 vk::VK_IMAGE_LAYOUT_UNDEFINED,                          // VkImageLayout                        initialLayout
1168         };
1169
1170         return vk::createImage(context.getDeviceInterface(), context.getDevice(), &params);
1171 }
1172
1173 de::MovePtr<vk::Allocation> allocateAndBindMemory (Context& context, vk::VkBuffer buffer, vk::MemoryRequirement memReqs)
1174 {
1175         const vk::DeviceInterface&              vkd             = context.getDeviceInterface();
1176         const vk::VkMemoryRequirements  bufReqs = vk::getBufferMemoryRequirements(vkd, context.getDevice(), buffer);
1177         de::MovePtr<vk::Allocation>             memory  = context.getDefaultAllocator().allocate(bufReqs, memReqs);
1178
1179         vkd.bindBufferMemory(context.getDevice(), buffer, memory->getMemory(), memory->getOffset());
1180
1181         return memory;
1182 }
1183
1184 de::MovePtr<vk::Allocation> allocateAndBindMemory (Context& context, vk::VkImage image, vk::MemoryRequirement memReqs)
1185 {
1186         const vk::DeviceInterface&        vkd    = context.getDeviceInterface();
1187         const vk::VkMemoryRequirements  imgReqs = vk::getImageMemoryRequirements(vkd, context.getDevice(), image);
1188         de::MovePtr<vk::Allocation>              memory  = context.getDefaultAllocator().allocate(imgReqs, memReqs);
1189
1190         vkd.bindImageMemory(context.getDevice(), image, memory->getMemory(), memory->getOffset());
1191
1192         return memory;
1193 }
1194
1195 Move<vk::VkImageView> createAttachmentView (Context& context, vk::VkImage image, vk::VkFormat format)
1196 {
1197         const vk::VkImageViewCreateInfo params =
1198         {
1199                 vk::VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,           // sType
1200                 DE_NULL,                                                                                        // pNext
1201                 0u,                                                                                                     // flags
1202                 image,                                                                                          // image
1203                 vk::VK_IMAGE_VIEW_TYPE_2D,                                                      // viewType
1204                 format,                                                                                         // format
1205                 vk::makeComponentMappingRGBA(),                                         // components
1206                 { vk::VK_IMAGE_ASPECT_COLOR_BIT, 0u, 1u, 0u,1u },       // subresourceRange
1207         };
1208
1209         return vk::createImageView(context.getDeviceInterface(), context.getDevice(), &params);
1210 }
1211
1212 Move<vk::VkPipelineLayout> createPipelineLayout (Context& context, vk::VkDescriptorSetLayout descriptorSetLayout)
1213 {
1214         const vk::VkPipelineLayoutCreateInfo params =
1215         {
1216                 vk::VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,      // sType
1217                 DE_NULL,                                                                                        // pNext
1218                 0u,                                                                                                     // flags
1219                 1u,                                                                                                     // setLayoutCount
1220                 &descriptorSetLayout,                                                           // pSetLayouts
1221                 0u,                                                                                                     // pushConstantRangeCount
1222                 DE_NULL,                                                                                        // pPushConstantRanges
1223         };
1224
1225         return vk::createPipelineLayout(context.getDeviceInterface(), context.getDevice(), &params);
1226 }
1227
1228 Move<vk::VkCommandPool> createCmdPool (Context& context)
1229 {
1230         const deUint32                                  queueFamilyIndex        = context.getUniversalQueueFamilyIndex();
1231         const vk::VkCommandPoolCreateInfo       params                          =
1232         {
1233                 vk::VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,                 // sType
1234                 DE_NULL,                                                                                                // pNext
1235                 vk::VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT,    // flags
1236                 queueFamilyIndex,                                                                               // queueFamilyIndex
1237         };
1238
1239         return vk::createCommandPool(context.getDeviceInterface(), context.getDevice(), &params);
1240 }
1241
1242 Move<vk::VkCommandBuffer> createCmdBuffer (Context& context, vk::VkCommandPool cmdPool)
1243 {
1244         const vk::VkCommandBufferAllocateInfo params =
1245         {
1246                 vk::VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,     // sType
1247                 DE_NULL,                                                                                        // pNext
1248                 cmdPool,                                                                                        // commandPool
1249                 vk::VK_COMMAND_BUFFER_LEVEL_PRIMARY,                            // level
1250                 1u,                                                                                                     // bufferCount
1251         };
1252
1253         return vk::allocateCommandBuffer(context.getDeviceInterface(), context.getDevice(), &params);
1254 }
1255
1256
1257 // UniformBlockCaseInstance
1258
1259 class UniformBlockCaseInstance : public vkt::TestInstance
1260 {
1261 public:
1262                                                                         UniformBlockCaseInstance        (Context&                                               context,
1263                                                                                                                                  UniformBlockCase::BufferMode   bufferMode,
1264                                                                                                                                  const UniformLayout&                   layout,
1265                                                                                                                                  const std::map<int, void*>&    blockPointers);
1266         virtual                                                 ~UniformBlockCaseInstance       (void);
1267         virtual tcu::TestStatus                 iterate                                         (void);
1268
1269 private:
1270         enum
1271         {
1272                 RENDER_WIDTH = 100,
1273                 RENDER_HEIGHT = 100,
1274         };
1275
1276         vk::Move<VkRenderPass>                  createRenderPass                        (vk::VkFormat format) const;
1277         vk::Move<VkFramebuffer>                 createFramebuffer                       (vk::VkRenderPass renderPass, vk::VkImageView colorImageView) const;
1278         vk::Move<VkDescriptorSetLayout> createDescriptorSetLayout       (void) const;
1279         vk::Move<VkDescriptorPool>              createDescriptorPool            (void) const;
1280         vk::Move<VkPipeline>                    createPipeline                          (vk::VkShaderModule vtxShaderModule, vk::VkShaderModule fragShaderModule, vk::VkPipelineLayout pipelineLayout, vk::VkRenderPass renderPass) const;
1281
1282         vk::VkDescriptorBufferInfo              addUniformData                          (deUint32 size, const void* dataPtr);
1283
1284         UniformBlockCase::BufferMode    m_bufferMode;
1285         const UniformLayout&                    m_layout;
1286         const std::map<int, void*>&             m_blockPointers;
1287
1288         typedef de::SharedPtr<vk::Unique<vk::VkBuffer> >        VkBufferSp;
1289         typedef de::SharedPtr<vk::Allocation>                           AllocationSp;
1290
1291         std::vector<VkBufferSp>                 m_uniformBuffers;
1292         std::vector<AllocationSp>               m_uniformAllocs;
1293 };
1294
1295 UniformBlockCaseInstance::UniformBlockCaseInstance (Context&                                            ctx,
1296                                                                                                         UniformBlockCase::BufferMode    bufferMode,
1297                                                                                                         const UniformLayout&                    layout,
1298                                                                                                         const std::map<int, void*>&             blockPointers)
1299         : vkt::TestInstance (ctx)
1300         , m_bufferMode          (bufferMode)
1301         , m_layout                      (layout)
1302         , m_blockPointers       (blockPointers)
1303 {
1304 }
1305
1306 UniformBlockCaseInstance::~UniformBlockCaseInstance (void)
1307 {
1308 }
1309
1310 tcu::TestStatus UniformBlockCaseInstance::iterate (void)
1311 {
1312         const vk::DeviceInterface&              vk                                      = m_context.getDeviceInterface();
1313         const vk::VkDevice                              device                          = m_context.getDevice();
1314         const vk::VkQueue                               queue                           = m_context.getUniversalQueue();
1315         const deUint32                                  queueFamilyIndex        = m_context.getUniversalQueueFamilyIndex();
1316
1317         const float positions[] =
1318         {
1319                 -1.0f, -1.0f, 0.0f, 1.0f,
1320                 -1.0f, +1.0f, 0.0f, 1.0f,
1321                 +1.0f, -1.0f, 0.0f, 1.0f,
1322                 +1.0f, +1.0f, 0.0f, 1.0f
1323         };
1324
1325         const deUint32 indices[] = { 0, 1, 2, 2, 1, 3 };
1326
1327         vk::Unique<VkBuffer>                            positionsBuffer         (createBuffer(m_context, sizeof(positions), vk::VK_BUFFER_USAGE_VERTEX_BUFFER_BIT));
1328         de::UniquePtr<Allocation>                       positionsAlloc          (allocateAndBindMemory(m_context, *positionsBuffer, MemoryRequirement::HostVisible));
1329         vk::Unique<VkBuffer>                            indicesBuffer           (createBuffer(m_context, sizeof(indices), vk::VK_BUFFER_USAGE_INDEX_BUFFER_BIT|vk::VK_BUFFER_USAGE_VERTEX_BUFFER_BIT));
1330         de::UniquePtr<Allocation>                       indicesAlloc            (allocateAndBindMemory(m_context, *indicesBuffer, MemoryRequirement::HostVisible));
1331
1332         int minUniformBufferOffsetAlignment = getminUniformBufferOffsetAlignment(m_context);
1333
1334         // Upload attrbiutes data
1335         {
1336                 deMemcpy(positionsAlloc->getHostPtr(), positions, sizeof(positions));
1337                 flushMappedMemoryRange(vk, device, positionsAlloc->getMemory(), positionsAlloc->getOffset(), sizeof(positions));
1338
1339                 deMemcpy(indicesAlloc->getHostPtr(), indices, sizeof(indices));
1340                 flushMappedMemoryRange(vk, device, indicesAlloc->getMemory(), indicesAlloc->getOffset(), sizeof(indices));
1341         }
1342
1343         vk::Unique<VkImage>                                     colorImage                      (createImage2D(m_context,
1344                                                                                                                                                         RENDER_WIDTH,
1345                                                                                                                                                         RENDER_HEIGHT,
1346                                                                                                                                                         vk::VK_FORMAT_R8G8B8A8_UNORM,
1347                                                                                                                                                         vk::VK_IMAGE_TILING_OPTIMAL,
1348                                                                                                                                                         vk::VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT|vk::VK_IMAGE_USAGE_TRANSFER_SRC_BIT));
1349         de::UniquePtr<Allocation>                       colorImageAlloc         (allocateAndBindMemory(m_context, *colorImage, MemoryRequirement::Any));
1350         vk::Unique<VkImageView>                         colorImageView          (createAttachmentView(m_context, *colorImage, vk::VK_FORMAT_R8G8B8A8_UNORM));
1351
1352         vk::Unique<VkDescriptorSetLayout>       descriptorSetLayout     (createDescriptorSetLayout());
1353         vk::Unique<VkDescriptorPool>            descriptorPool          (createDescriptorPool());
1354
1355         const VkDescriptorSetAllocateInfo       descriptorSetAllocateInfo =
1356         {
1357                 VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,         // VkStructureType                              sType;
1358                 DE_NULL,                                                                                        // const void*                                  pNext;
1359                 *descriptorPool,                                                                        // VkDescriptorPool                             descriptorPool;
1360                 1u,                                                                                                     // deUint32                                             setLayoutCount;
1361                 &descriptorSetLayout.get()                                                      // const VkDescriptorSetLayout* pSetLayouts;
1362         };
1363
1364         vk::Unique<VkDescriptorSet>                     descriptorSet(vk::allocateDescriptorSet(vk, device, &descriptorSetAllocateInfo));
1365         int                                                                     numBlocks = (int)m_layout.blocks.size();
1366         std::vector<vk::VkDescriptorBufferInfo> descriptors(numBlocks);
1367
1368         // Upload uniform data
1369         {
1370                 vk::DescriptorSetUpdateBuilder  descriptorSetUpdateBuilder;
1371
1372                 if (m_bufferMode == UniformBlockCase::BUFFERMODE_PER_BLOCK)
1373                 {
1374                         for (int blockNdx = 0; blockNdx < numBlocks; blockNdx++)
1375                         {
1376                                 const BlockLayoutEntry& block = m_layout.blocks[blockNdx];
1377                                 const void*     srcPtr = m_blockPointers.find(blockNdx)->second;
1378
1379                                 descriptors[blockNdx] = addUniformData(block.size, srcPtr);
1380                                 descriptorSetUpdateBuilder.writeSingle(*descriptorSet, vk::DescriptorSetUpdateBuilder::Location::bindingArrayElement(block.bindingNdx, block.instanceNdx),
1381                                                                                                                 VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, &descriptors[blockNdx]);
1382                         }
1383                 }
1384                 else
1385                 {
1386                         int currentOffset = 0;
1387                         std::map<int, int> offsets;
1388                         for (int blockNdx = 0; blockNdx < numBlocks; blockNdx++)
1389                         {
1390                                 if (minUniformBufferOffsetAlignment > 0)
1391                                         currentOffset = deAlign32(currentOffset, minUniformBufferOffsetAlignment);
1392                                 offsets[blockNdx] = currentOffset;
1393                                 currentOffset += m_layout.blocks[blockNdx].size;
1394                         }
1395
1396                         deUint32 totalSize = currentOffset;
1397
1398                         // Make a copy of the data that satisfies the device's min uniform buffer alignment
1399                         std::vector<deUint8> data;
1400                         data.resize(totalSize);
1401                         for (int blockNdx = 0; blockNdx < numBlocks; blockNdx++)
1402                         {
1403                                 deMemcpy(&data[offsets[blockNdx]], m_blockPointers.find(blockNdx)->second, m_layout.blocks[blockNdx].size);
1404                         }
1405
1406                         vk::VkBuffer buffer = addUniformData(totalSize, &data[0]).buffer;
1407
1408                         for (int blockNdx = 0; blockNdx < numBlocks; blockNdx++)
1409                         {
1410                                 const BlockLayoutEntry& block = m_layout.blocks[blockNdx];
1411                                 deUint32 size = block.size;
1412
1413                                 const VkDescriptorBufferInfo    descriptor =
1414                                 {
1415                                         buffer,                                                 // VkBuffer             buffer;
1416                                         (deUint32)offsets[blockNdx],    // VkDeviceSize offset;
1417                                         size,                                                   // VkDeviceSize range;
1418                                 };
1419
1420                                 descriptors[blockNdx] = descriptor;
1421                                 descriptorSetUpdateBuilder.writeSingle(*descriptorSet,
1422                                                                                                                 vk::DescriptorSetUpdateBuilder::Location::bindingArrayElement(block.bindingNdx, block.instanceNdx),
1423                                                                                                                 VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
1424                                                                                                                 &descriptors[blockNdx]);
1425                         }
1426                 }
1427
1428                 descriptorSetUpdateBuilder.update(vk, device);
1429         }
1430
1431         vk::Unique<VkRenderPass>                        renderPass                      (createRenderPass(vk::VK_FORMAT_R8G8B8A8_UNORM));
1432         vk::Unique<VkFramebuffer>                       framebuffer                     (createFramebuffer(*renderPass, *colorImageView));
1433         vk::Unique<VkPipelineLayout>            pipelineLayout          (createPipelineLayout(m_context, *descriptorSetLayout));
1434
1435         vk::Unique<VkShaderModule>                      vtxShaderModule         (vk::createShaderModule(vk, device, m_context.getBinaryCollection().get("vert"), 0));
1436         vk::Unique<VkShaderModule>                      fragShaderModule        (vk::createShaderModule(vk, device, m_context.getBinaryCollection().get("frag"), 0));
1437         vk::Unique<VkPipeline>                          pipeline                        (createPipeline(*vtxShaderModule, *fragShaderModule, *pipelineLayout, *renderPass));
1438         vk::Unique<VkCommandPool>                       cmdPool                         (createCmdPool(m_context));
1439         vk::Unique<VkCommandBuffer>                     cmdBuffer                       (createCmdBuffer(m_context, *cmdPool));
1440         vk::Unique<VkBuffer>                            readImageBuffer         (createBuffer(m_context, (vk::VkDeviceSize)(RENDER_WIDTH * RENDER_HEIGHT * 4), vk::VK_BUFFER_USAGE_TRANSFER_DST_BIT));
1441         de::UniquePtr<Allocation>                       readImageAlloc          (allocateAndBindMemory(m_context, *readImageBuffer, vk::MemoryRequirement::HostVisible));
1442
1443         // Record command buffer
1444         const vk::VkCommandBufferBeginInfo beginInfo    =
1445         {
1446                 vk::VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,        // VkStructureType                                      sType;
1447                 DE_NULL,                                                                                        // const void*                                          pNext;
1448                 0u,                                                                                                     // VkCommandBufferUsageFlags            flags;
1449                 (const vk::VkCommandBufferInheritanceInfo*)DE_NULL,
1450         };
1451         VK_CHECK(vk.beginCommandBuffer(*cmdBuffer, &beginInfo));
1452
1453         const vk::VkClearValue clearValue = vk::makeClearValueColorF32(0.125f, 0.25f, 0.75f, 1.0f);
1454         const vk::VkRenderPassBeginInfo passBeginInfo   =
1455         {
1456                 vk::VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,   // VkStructureType              sType;
1457                 DE_NULL,                                                                                // const void*                  pNext;
1458                 *renderPass,                                                                    // VkRenderPass                 renderPass;
1459                 *framebuffer,                                                                   // VkFramebuffer                framebuffer;
1460                 { { 0, 0 }, { RENDER_WIDTH, RENDER_HEIGHT } },  // VkRect2D                             renderArea;
1461                 1u,                                                                                             // deUint32                             clearValueCount;
1462                 &clearValue,                                                                    // const VkClearValue*  pClearValues;
1463         };
1464
1465         vk.cmdBeginRenderPass(*cmdBuffer, &passBeginInfo, vk::VK_SUBPASS_CONTENTS_INLINE);
1466
1467         vk.cmdBindPipeline(*cmdBuffer, vk::VK_PIPELINE_BIND_POINT_GRAPHICS, *pipeline);
1468         vk.cmdBindDescriptorSets(*cmdBuffer, vk::VK_PIPELINE_BIND_POINT_GRAPHICS, *pipelineLayout, 0u, 1u, &*descriptorSet, 0u, DE_NULL);
1469
1470         const vk::VkDeviceSize offsets[] = { 0u };
1471         vk.cmdBindVertexBuffers(*cmdBuffer, 0u, 1u, &*positionsBuffer, offsets);
1472         vk.cmdBindIndexBuffer(*cmdBuffer, *indicesBuffer, (vk::VkDeviceSize)0, vk::VK_INDEX_TYPE_UINT32);
1473
1474         vk.cmdDrawIndexed(*cmdBuffer, DE_LENGTH_OF_ARRAY(indices), 1u, 0u, 0u, 0u);
1475         vk.cmdEndRenderPass(*cmdBuffer);
1476
1477         // Add render finish barrier
1478         {
1479                 const vk::VkImageMemoryBarrier  renderFinishBarrier =
1480                 {
1481                         vk::VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,             // VkStructureType                      sType;
1482                         DE_NULL,                                                                                // const void*                          pNext
1483                         vk::VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,               // VVkAccessFlags                       srcAccessMask;
1484                         vk::VK_ACCESS_TRANSFER_READ_BIT,                                // VkAccessFlags                        dstAccessMask;
1485                         vk::VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,   // VkImageLayout                        oldLayout;
1486                         vk::VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,               // VkImageLayout                        newLayout;
1487                         queueFamilyIndex,                                                               // deUint32                                     srcQueueFamilyIndex;
1488                         queueFamilyIndex,                                                               // deUint32                                     dstQueueFamilyIndex;
1489                         *colorImage,                                                                    // VkImage                                      image;
1490                         {
1491                                 vk::VK_IMAGE_ASPECT_COLOR_BIT,                  // VkImageAspectFlags   aspectMask;
1492                                 0u,                                                                             // deUint32                             baseMipLevel;
1493                                 1u,                                                                             // deUint32                             mipLevels;
1494                                 0u,                                                                             // deUint32                             baseArraySlice;
1495                                 1u,                                                                             // deUint32                             arraySize;
1496                         }                                                                                               // VkImageSubresourceRange      subresourceRange
1497                 };
1498
1499                 vk.cmdPipelineBarrier(*cmdBuffer, vk::VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT, vk::VK_PIPELINE_STAGE_TRANSFER_BIT, (vk::VkDependencyFlags)0,
1500                                                           0, (const vk::VkMemoryBarrier*)DE_NULL,
1501                                                           0, (const vk::VkBufferMemoryBarrier*)DE_NULL,
1502                                                           1, &renderFinishBarrier);
1503         }
1504
1505         // Add Image->Buffer copy command
1506         {
1507                 const vk::VkBufferImageCopy copyParams =
1508                 {
1509                         (vk::VkDeviceSize)0u,                                   // VkDeviceSize                         bufferOffset;
1510                         (deUint32)RENDER_WIDTH,                                 // deUint32                                     bufferRowLength;
1511                         (deUint32)RENDER_HEIGHT,                                // deUint32                                     bufferImageHeight;
1512                         {
1513                                 vk::VK_IMAGE_ASPECT_COLOR_BIT,  // VkImageAspect        aspect;
1514                                 0u,                                                             // deUint32                     mipLevel;
1515                                 0u,                                                             // deUint32                     arrayLayer;
1516                                 1u,                                                             // deUint32                     arraySize;
1517                         },                                                                              // VkImageSubresourceCopy       imageSubresource
1518                         { 0u, 0u, 0u },                                                 // VkOffset3D                           imageOffset;
1519                         { RENDER_WIDTH, RENDER_HEIGHT, 1u }             // VkExtent3D                           imageExtent;
1520                 };
1521
1522                 vk.cmdCopyImageToBuffer(*cmdBuffer, *colorImage, vk::VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, *readImageBuffer, 1u, &copyParams);
1523         }
1524
1525         // Add copy finish barrier
1526         {
1527                 const vk::VkBufferMemoryBarrier copyFinishBarrier       =
1528                 {
1529                         vk::VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,            // VkStructureType              sType;
1530                         DE_NULL,                                                                                        // const void*                  pNext;
1531                         VK_ACCESS_TRANSFER_WRITE_BIT,                                           // VkAccessFlags                srcAccessMask;
1532                         VK_ACCESS_HOST_READ_BIT,                                                        // VkAccessFlags                dstAccessMask;
1533                         queueFamilyIndex,                                                                       // deUint32                             srcQueueFamilyIndex;
1534                         queueFamilyIndex,                                                                       // deUint32                             destQueueFamilyIndex;
1535                         *readImageBuffer,                                                                       // VkBuffer                             buffer;
1536                         0u,                                                                                                     // VkDeviceSize                 offset;
1537                         (vk::VkDeviceSize)(RENDER_WIDTH * RENDER_HEIGHT * 4)// VkDeviceSize                     size;
1538                 };
1539
1540                 vk.cmdPipelineBarrier(*cmdBuffer, vk::VK_PIPELINE_STAGE_TRANSFER_BIT, vk::VK_PIPELINE_STAGE_HOST_BIT, (vk::VkDependencyFlags)0,
1541                                                           0, (const vk::VkMemoryBarrier*)DE_NULL,
1542                                                           1, &copyFinishBarrier,
1543                                                           0, (const vk::VkImageMemoryBarrier*)DE_NULL);
1544         }
1545
1546         VK_CHECK(vk.endCommandBuffer(*cmdBuffer));
1547
1548         // Submit the command buffer
1549         {
1550                 const vk::VkFenceCreateInfo fenceParams =
1551                 {
1552                         vk::VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,        // VkStructureType              sType;
1553                         DE_NULL,                                                                        // const void*                  pNext;
1554                         0u,                                                                                     // VkFenceCreateFlags   flags;
1555                 };
1556                 const Unique<vk::VkFence> fence(vk::createFence(vk, device, &fenceParams));
1557
1558                 const VkSubmitInfo                      submitInfo      =
1559                 {
1560                         VK_STRUCTURE_TYPE_SUBMIT_INFO,  // VkStructureType                      sType;
1561                         DE_NULL,                                                // const void*                          pNext;
1562                         0u,                                                             // deUint32                                     waitSemaphoreCount;
1563                         DE_NULL,                                                // const VkSemaphore*           pWaitSemaphores;
1564                         (const VkPipelineStageFlags*)DE_NULL,
1565                         1u,                                                             // deUint32                                     commandBufferCount;
1566                         &cmdBuffer.get(),                               // const VkCommandBuffer*       pCommandBuffers;
1567                         0u,                                                             // deUint32                                     signalSemaphoreCount;
1568                         DE_NULL                                                 // const VkSemaphore*           pSignalSemaphores;
1569                 };
1570
1571                 VK_CHECK(vk.queueSubmit(queue, 1u, &submitInfo, *fence));
1572                 VK_CHECK(vk.waitForFences(device, 1u, &fence.get(), DE_TRUE, ~0ull));
1573         }
1574
1575         // Read back the results
1576         tcu::Surface surface(RENDER_WIDTH, RENDER_HEIGHT);
1577         {
1578                 const tcu::TextureFormat textureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8);
1579                 const tcu::ConstPixelBufferAccess imgAccess(textureFormat, RENDER_WIDTH, RENDER_HEIGHT, 1, readImageAlloc->getHostPtr());
1580                 const vk::VkDeviceSize bufferSize = RENDER_WIDTH * RENDER_HEIGHT * 4;
1581                 invalidateMappedMemoryRange(vk, device, readImageAlloc->getMemory(), readImageAlloc->getOffset(), bufferSize);
1582
1583                 tcu::copy(surface.getAccess(), imgAccess);
1584         }
1585
1586         // Check if the result image is all white
1587         tcu::RGBA white(tcu::RGBA::white());
1588         int numFailedPixels = 0;
1589
1590         for (int y = 0; y < surface.getHeight(); y++)
1591         {
1592                 for (int x = 0; x < surface.getWidth(); x++)
1593                 {
1594                         if (surface.getPixel(x, y) != white)
1595                                 numFailedPixels += 1;
1596                 }
1597         }
1598
1599         if (numFailedPixels > 0)
1600         {
1601                 tcu::TestLog& log = m_context.getTestContext().getLog();
1602                 log << tcu::TestLog::Image("Image", "Rendered image", surface);
1603                 log << tcu::TestLog::Message << "Image comparison failed, got " << numFailedPixels << " non-white pixels" << tcu::TestLog::EndMessage;
1604
1605                 for (size_t blockNdx = 0; blockNdx < m_layout.blocks.size(); blockNdx++)
1606                 {
1607                         const BlockLayoutEntry& block = m_layout.blocks[blockNdx];
1608                         log << tcu::TestLog::Message << "Block index: " << blockNdx << " infos: " << block << tcu::TestLog::EndMessage;
1609                 }
1610
1611                 for (size_t uniformNdx = 0; uniformNdx < m_layout.uniforms.size(); uniformNdx++)
1612                 {
1613                         log << tcu::TestLog::Message << "Uniform index: " << uniformNdx << " infos: " << m_layout.uniforms[uniformNdx] << tcu::TestLog::EndMessage;
1614                 }
1615
1616                 return tcu::TestStatus::fail("Detected non-white pixels");
1617         }
1618         else
1619                 return tcu::TestStatus::pass("Full white image ok");
1620 }
1621
1622 vk::VkDescriptorBufferInfo UniformBlockCaseInstance::addUniformData (deUint32 size, const void* dataPtr)
1623 {
1624         const VkDevice                                  vkDevice                        = m_context.getDevice();
1625         const DeviceInterface&                  vk                                      = m_context.getDeviceInterface();
1626
1627         Move<VkBuffer>                                  buffer  = createBuffer(m_context, size, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT);
1628         de::MovePtr<Allocation>                 alloc   = allocateAndBindMemory(m_context, *buffer, vk::MemoryRequirement::HostVisible);
1629
1630         deMemcpy(alloc->getHostPtr(), dataPtr, size);
1631         flushMappedMemoryRange(vk, vkDevice, alloc->getMemory(), alloc->getOffset(), size);
1632
1633         const VkDescriptorBufferInfo                    descriptor                      =
1634         {
1635                 *buffer,                                // VkBuffer             buffer;
1636                 0u,                                             // VkDeviceSize offset;
1637                 size,                                   // VkDeviceSize range;
1638
1639         };
1640
1641         m_uniformBuffers.push_back(VkBufferSp(new vk::Unique<vk::VkBuffer>(buffer)));
1642         m_uniformAllocs.push_back(AllocationSp(alloc.release()));
1643
1644         return descriptor;
1645 }
1646
1647 vk::Move<VkRenderPass> UniformBlockCaseInstance::createRenderPass (vk::VkFormat format) const
1648 {
1649         const VkDevice                                  vkDevice                                = m_context.getDevice();
1650         const DeviceInterface&                  vk                                              = m_context.getDeviceInterface();
1651
1652         const VkAttachmentDescription   attachmentDescription   =
1653         {
1654                 0u,                                                                                             // VkAttachmentDescriptorFlags  flags;
1655                 format,                                                                                 // VkFormat                                             format;
1656                 VK_SAMPLE_COUNT_1_BIT,                                                  // VkSampleCountFlagBits                samples;
1657                 VK_ATTACHMENT_LOAD_OP_CLEAR,                                    // VkAttachmentLoadOp                   loadOp;
1658                 VK_ATTACHMENT_STORE_OP_STORE,                                   // VkAttachmentStoreOp                  storeOp;
1659                 VK_ATTACHMENT_LOAD_OP_DONT_CARE,                                // VkAttachmentLoadOp                   stencilLoadOp;
1660                 VK_ATTACHMENT_STORE_OP_DONT_CARE,                               // VkAttachmentStoreOp                  stencilStoreOp;
1661                 VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,               // VkImageLayout                                initialLayout;
1662                 VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,               // VkImageLayout                                finalLayout;
1663         };
1664
1665         const VkAttachmentReference             attachmentReference             =
1666         {
1667                 0u,                                                                                     // deUint32                     attachment;
1668                 VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL        // VkImageLayout        layout;
1669         };
1670
1671
1672         const VkSubpassDescription              subpassDescription              =
1673         {
1674                 0u,                                                                                             // VkSubpassDescriptionFlags    flags;
1675                 VK_PIPELINE_BIND_POINT_GRAPHICS,                                // VkPipelineBindPoint                  pipelineBindPoint;
1676                 0u,                                                                                             // deUint32                                             inputAttachmentCount;
1677                 DE_NULL,                                                                                // const VkAttachmentReference* pInputAttachments;
1678                 1u,                                                                                             // deUint32                                             colorAttachmentCount;
1679                 &attachmentReference,                                                   // const VkAttachmentReference* pColorAttachments;
1680                 DE_NULL,                                                                                // const VkAttachmentReference* pResolveAttachments;
1681                 DE_NULL,                                                                                // const VkAttachmentReference* pDepthStencilAttachment;
1682                 0u,                                                                                             // deUint32                                             preserveAttachmentCount;
1683                 DE_NULL                                                                                 // const VkAttachmentReference* pPreserveAttachments;
1684         };
1685
1686         const VkRenderPassCreateInfo    renderPassParams                =
1687         {
1688                 VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,              // VkStructureType                                      sType;
1689                 DE_NULL,                                                                                // const void*                                          pNext;
1690                 0u,                                                                                             // VkRenderPassCreateFlags                      flags;
1691                 1u,                                                                                             // deUint32                                                     attachmentCount;
1692                 &attachmentDescription,                                                 // const VkAttachmentDescription*       pAttachments;
1693                 1u,                                                                                             // deUint32                                                     subpassCount;
1694                 &subpassDescription,                                                    // const VkSubpassDescription*          pSubpasses;
1695                 0u,                                                                                             // deUint32                                                     dependencyCount;
1696                 DE_NULL                                                                                 // const VkSubpassDependency*           pDependencies;
1697         };
1698
1699         return vk::createRenderPass(vk, vkDevice, &renderPassParams);
1700 }
1701
1702 vk::Move<VkFramebuffer> UniformBlockCaseInstance::createFramebuffer (vk::VkRenderPass renderPass, vk::VkImageView colorImageView) const
1703 {
1704         const VkDevice                                  vkDevice                        = m_context.getDevice();
1705         const DeviceInterface&                  vk                                      = m_context.getDeviceInterface();
1706
1707         const VkFramebufferCreateInfo   framebufferParams       =
1708         {
1709                 VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,              // VkStructureType                      sType;
1710                 DE_NULL,                                                                                // const void*                          pNext;
1711                 0u,                                                                                             // VkFramebufferCreateFlags     flags;
1712                 renderPass,                                                                             // VkRenderPass                         renderPass;
1713                 1u,                                                                                             // deUint32                                     attachmentCount;
1714                 &colorImageView,                                                                // const VkImageView*           pAttachments;
1715                 RENDER_WIDTH,                                                                   // deUint32                                     width;
1716                 RENDER_HEIGHT,                                                                  // deUint32                                     height;
1717                 1u                                                                                              // deUint32                                     layers;
1718         };
1719
1720         return vk::createFramebuffer(vk, vkDevice, &framebufferParams);
1721 }
1722
1723 vk::Move<VkDescriptorSetLayout> UniformBlockCaseInstance::createDescriptorSetLayout (void) const
1724 {
1725         int numBlocks = (int)m_layout.blocks.size();
1726         int lastBindingNdx = -1;
1727         std::vector<int> lengths;
1728
1729         for (int blockNdx = 0; blockNdx < numBlocks; blockNdx++)
1730         {
1731                 const BlockLayoutEntry& block = m_layout.blocks[blockNdx];
1732
1733                 if (block.bindingNdx == lastBindingNdx)
1734                 {
1735                         lengths.back()++;
1736                 }
1737                 else
1738                 {
1739                         lengths.push_back(1);
1740                         lastBindingNdx = block.bindingNdx;
1741                 }
1742         }
1743
1744         vk::DescriptorSetLayoutBuilder layoutBuilder;
1745         for (size_t i = 0; i < lengths.size(); i++)
1746         {
1747                 if (lengths[i] > 0)
1748                 {
1749                         layoutBuilder.addArrayBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, lengths[i], vk::VK_SHADER_STAGE_ALL);
1750                 }
1751                 else
1752                 {
1753                         layoutBuilder.addSingleBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, vk::VK_SHADER_STAGE_ALL);
1754                 }
1755         }
1756
1757         return layoutBuilder.build(m_context.getDeviceInterface(), m_context.getDevice());
1758 }
1759
1760 vk::Move<VkDescriptorPool> UniformBlockCaseInstance::createDescriptorPool (void) const
1761 {
1762         vk::DescriptorPoolBuilder poolBuilder;
1763
1764         return poolBuilder
1765                 .addType(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, (int)m_layout.blocks.size())
1766                 .build(m_context.getDeviceInterface(), m_context.getDevice(), VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT, 1u);
1767 }
1768
1769 vk::Move<VkPipeline> UniformBlockCaseInstance::createPipeline (vk::VkShaderModule vtxShaderModule, vk::VkShaderModule fragShaderModule, vk::VkPipelineLayout pipelineLayout, vk::VkRenderPass renderPass) const
1770 {
1771         const VkDevice                                                                  vkDevice                                = m_context.getDevice();
1772         const DeviceInterface&                                                  vk                                              = m_context.getDeviceInterface();
1773
1774         const VkVertexInputBindingDescription                   vertexBinding                   =
1775         {
1776                 0,                                                                      // deUint32                                     binding;
1777                 (deUint32)sizeof(float) * 4,            // deUint32                                     strideInBytes;
1778                 VK_VERTEX_INPUT_RATE_VERTEX                     // VkVertexInputStepRate        inputRate;
1779         };
1780
1781         const VkVertexInputAttributeDescription                 vertexAttribute                 =
1782         {
1783                 0,                                                                      // deUint32             location;
1784                 0,                                                                      // deUint32             binding;
1785                 VK_FORMAT_R32G32B32A32_SFLOAT,          // VkFormat             format;
1786                 0u                                                                      // deUint32             offset;
1787         };
1788
1789         const VkPipelineShaderStageCreateInfo                   shaderStages[2] =
1790         {
1791                 {
1792                         VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,    // VkStructureType                                      sType;
1793                         DE_NULL,                                                                                                // const void*                                          pNext;
1794                         0u,                                                                                                             // VkPipelineShaderStageCreateFlags     flags;
1795                         VK_SHADER_STAGE_VERTEX_BIT,                                                             // VkShaderStageFlagBits                        stage;
1796                         vtxShaderModule,                                                                                // VkShaderModule                                       module;
1797                         "main",                                                                                                 // const char*                                          pName;
1798                         DE_NULL                                                                                                 // const VkSpecializationInfo*          pSpecializationInfo;
1799                 },
1800                 {
1801                         VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,    // VkStructureType                                      sType;
1802                         DE_NULL,                                                                                                // const void*                                          pNext;
1803                         0u,                                                                                                             // VkPipelineShaderStageCreateFlags flags;
1804                         VK_SHADER_STAGE_FRAGMENT_BIT,                                                   // VkShaderStageFlagBits                        stage;
1805                         fragShaderModule,                                                                               // VkShaderModule                                       module;
1806                         "main",                                                                                                 // const char*                                          pName;
1807                         DE_NULL                                                                                                 // const VkSpecializationInfo*          pSpecializationInfo;
1808                 }
1809         };
1810
1811         const VkPipelineVertexInputStateCreateInfo              vertexInputStateParams          =
1812         {
1813                 VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,      // VkStructureType                                                      sType;
1814                 DE_NULL,                                                                                                        // const void*                                                          pNext;
1815                 0u,                                                                                                                     // VkPipelineVertexInputStateCreateFlags        flags;
1816                 1u,                                                                                                                     // deUint32                                                                     vertexBindingDescriptionCount;
1817                 &vertexBinding,                                                                                         // const VkVertexInputBindingDescription*       pVertexBindingDescriptions;
1818                 1u,                                                                                                                     // deUint32                                                                     vertexAttributeDescriptionCount;
1819                 &vertexAttribute,                                                                                       // const VkVertexInputAttributeDescription*     pVertexAttributeDescriptions;
1820         };
1821
1822         const VkPipelineInputAssemblyStateCreateInfo    inputAssemblyStateParams        =
1823         {
1824                 VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,// VkStructureType                                                  sType;
1825                 DE_NULL,                                                                                                        // const void*                                                          pNext;
1826                 0u,                                                                                                                     // VkPipelineInputAssemblyStateCreateFlags      flags;
1827                 VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,                                            // VkPrimitiveTopology                                          topology;
1828                 false                                                                                                           // VkBool32                                                                     primitiveRestartEnable;
1829         };
1830
1831         const VkViewport                                                                viewport                                        =
1832         {
1833                 0.0f,                                   // float        originX;
1834                 0.0f,                                   // float        originY;
1835                 (float)RENDER_WIDTH,    // float        width;
1836                 (float)RENDER_HEIGHT,   // float        height;
1837                 0.0f,                                   // float        minDepth;
1838                 1.0f                                    // float        maxDepth;
1839         };
1840
1841
1842         const VkRect2D                                                                  scissor                                         =
1843         {
1844                 {
1845                         0u,                             // deUint32     x;
1846                         0u,                             // deUint32     y;
1847                 },                                              // VkOffset2D   offset;
1848                 {
1849                         RENDER_WIDTH,   // deUint32     width;
1850                         RENDER_HEIGHT,  // deUint32     height;
1851                 },                                              // VkExtent2D   extent;
1852         };
1853
1854         const VkPipelineViewportStateCreateInfo                 viewportStateParams                     =
1855         {
1856                 VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,          // VkStructureType                                              sType;
1857                 DE_NULL,                                                                                                        // const void*                                                  pNext;
1858                 0u,                                                                                                                     // VkPipelineViewportStateCreateFlags   flags;
1859                 1u,                                                                                                                     // deUint32                                                             viewportCount;
1860                 &viewport,                                                                                                      // const VkViewport*                                    pViewports;
1861                 1u,                                                                                                                     // deUint32                                                             scissorsCount;
1862                 &scissor,                                                                                                       // const VkRect2D*                                              pScissors;
1863         };
1864
1865         const VkPipelineRasterizationStateCreateInfo    rasterStateParams                       =
1866         {
1867                 VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO, // VkStructureType                                                  sType;
1868                 DE_NULL,                                                                                                        // const void*                                                          pNext;
1869                 0u,                                                                                                                     // VkPipelineRasterizationStateCreateFlags      flags;
1870                 false,                                                                                                          // VkBool32                                                                     depthClampEnable;
1871                 false,                                                                                                          // VkBool32                                                                     rasterizerDiscardEnable;
1872                 VK_POLYGON_MODE_FILL,                                                                           // VkPolygonMode                                                        polygonMode;
1873                 VK_CULL_MODE_NONE,                                                                                      // VkCullModeFlags                                                      cullMode;
1874                 VK_FRONT_FACE_COUNTER_CLOCKWISE,                                                        // VkFrontFace                                                          frontFace;
1875                 false,                                                                                                          // VkBool32                                                                     depthBiasEnable;
1876                 0.0f,                                                                                                           // float                                                                        depthBiasConstantFactor;
1877                 0.0f,                                                                                                           // float                                                                        depthBiasClamp;
1878                 0.0f,                                                                                                           // float                                                                        depthBiasSlopeFactor;
1879                 1.0f,                                                                                                           // float                                                                        lineWidth;
1880         };
1881
1882         const VkPipelineMultisampleStateCreateInfo              multisampleStateParams =
1883         {
1884                 VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,       // VkStructureType                                                      sType;
1885                 DE_NULL,                                                                                                        // const void*                                                          pNext;
1886                 0u,                                                                                                                     // VkPipelineMultisampleStateCreateFlags        flags;
1887                 VK_SAMPLE_COUNT_1_BIT,                                                                          // VkSampleCountFlagBits                                        rasterizationSamples;
1888                 VK_FALSE,                                                                                                       // VkBool32                                                                     sampleShadingEnable;
1889                 0.0f,                                                                                                           // float                                                                        minSampleShading;
1890                 DE_NULL,                                                                                                        // const VkSampleMask*                                          pSampleMask;
1891                 VK_FALSE,                                                                                                       // VkBool32                                                                     alphaToCoverageEnable;
1892                 VK_FALSE                                                                                                        // VkBool32                                                                     alphaToOneEnable;
1893          };
1894
1895         const VkPipelineColorBlendAttachmentState               colorBlendAttachmentState       =
1896         {
1897                 false,                                                                                                                                          // VkBool32                     blendEnable;
1898                 VK_BLEND_FACTOR_ONE,                                                                                                            // VkBlend                      srcBlendColor;
1899                 VK_BLEND_FACTOR_ZERO,                                                                                                           // VkBlend                      destBlendColor;
1900                 VK_BLEND_OP_ADD,                                                                                                                        // VkBlendOp            blendOpColor;
1901                 VK_BLEND_FACTOR_ONE,                                                                                                            // VkBlend                      srcBlendAlpha;
1902                 VK_BLEND_FACTOR_ZERO,                                                                                                           // VkBlend                      destBlendAlpha;
1903                 VK_BLEND_OP_ADD,                                                                                                                        // VkBlendOp            blendOpAlpha;
1904                 VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT |                                           // VkChannelFlags       channelWriteMask;
1905                 VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT
1906         };
1907
1908         const VkPipelineColorBlendStateCreateInfo               colorBlendStateParams           =
1909         {
1910                 VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,       // VkStructureType                                                              sType;
1911                 DE_NULL,                                                                                                        // const void*                                                                  pNext;
1912                 0u,                                                                                                                     // VkPipelineColorBlendStateCreateFlags                 flags;
1913                 false,                                                                                                          // VkBool32                                                                             logicOpEnable;
1914                 VK_LOGIC_OP_COPY,                                                                                       // VkLogicOp                                                                    logicOp;
1915                 1u,                                                                                                                     // deUint32                                                                             attachmentCount;
1916                 &colorBlendAttachmentState,                                                                     // const VkPipelineColorBlendAttachmentState*   pAttachments;
1917                 { 0.0f, 0.0f, 0.0f, 0.0f },                                                                     // float                                                                                blendConstants[4];
1918         };
1919
1920         const VkGraphicsPipelineCreateInfo                              graphicsPipelineParams          =
1921         {
1922                 VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,        // VkStructureType                                                                      sType;
1923                 DE_NULL,                                                                                        // const void*                                                                          pNext;
1924                 0u,                                                                                                     // VkPipelineCreateFlags                                                        flags;
1925                 2u,                                                                                                     // deUint32                                                                                     stageCount;
1926                 shaderStages,                                                                           // const VkPipelineShaderStageCreateInfo*                       pStages;
1927                 &vertexInputStateParams,                                                        // const VkPipelineVertexInputStateCreateInfo*          pVertexInputState;
1928                 &inputAssemblyStateParams,                                                      // const VkPipelineInputAssemblyStateCreateInfo*        pInputAssemblyState;
1929                 DE_NULL,                                                                                        // const VkPipelineTessellationStateCreateInfo*         pTessellationState;
1930                 &viewportStateParams,                                                           // const VkPipelineViewportStateCreateInfo*                     pViewportState;
1931                 &rasterStateParams,                                                                     // const VkPipelineRasterizationStateCreateInfo*        pRasterizationState;
1932                 &multisampleStateParams,                                                        // const VkPipelineMultisampleStateCreateInfo*          pMultisampleState;
1933                 DE_NULL,                                                                                        // const VkPipelineDepthStencilStateCreateInfo*         pDepthStencilState;
1934                 &colorBlendStateParams,                                                         // const VkPipelineColorBlendStateCreateInfo*           pColorBlendState;
1935                 (const VkPipelineDynamicStateCreateInfo*)DE_NULL,       // const VkPipelineDynamicStateCreateInfo*                      pDynamicState;
1936                 pipelineLayout,                                                                         // VkPipelineLayout                                                                     layout;
1937                 renderPass,                                                                                     // VkRenderPass                                                                         renderPass;
1938                 0u,                                                                                                     // deUint32                                                                                     subpass;
1939                 0u,                                                                                                     // VkPipeline                                                                           basePipelineHandle;
1940                 0u                                                                                                      // deInt32                                                                                      basePipelineIndex;
1941         };
1942
1943         return vk::createGraphicsPipeline(vk, vkDevice, DE_NULL, &graphicsPipelineParams);
1944 }
1945
1946 } // anonymous (utilities)
1947
1948 // UniformBlockCase.
1949
1950 UniformBlockCase::UniformBlockCase (tcu::TestContext& testCtx, const std::string& name, const std::string& description, BufferMode bufferMode)
1951         : TestCase              (testCtx, name, description)
1952         , m_bufferMode  (bufferMode)
1953 {
1954 }
1955
1956 UniformBlockCase::~UniformBlockCase (void)
1957 {
1958 }
1959
1960 void UniformBlockCase::initPrograms (vk::SourceCollections& programCollection) const
1961 {
1962         DE_ASSERT(!m_vertShaderSource.empty());
1963         DE_ASSERT(!m_fragShaderSource.empty());
1964
1965         programCollection.glslSources.add("vert") << glu::VertexSource(m_vertShaderSource);
1966         programCollection.glslSources.add("frag") << glu::FragmentSource(m_fragShaderSource);
1967 }
1968
1969 TestInstance* UniformBlockCase::createInstance (Context& context) const
1970 {
1971         return new UniformBlockCaseInstance(context, m_bufferMode, m_uniformLayout, m_blockPointers);
1972 }
1973
1974 void UniformBlockCase::init (void)
1975 {
1976         // Compute reference layout.
1977         computeStd140Layout(m_uniformLayout, m_interface);
1978
1979         // Assign storage for reference values.
1980         {
1981                 int totalSize = 0;
1982                 for (std::vector<BlockLayoutEntry>::const_iterator blockIter = m_uniformLayout.blocks.begin(); blockIter != m_uniformLayout.blocks.end(); blockIter++)
1983                         totalSize += blockIter->size;
1984                 m_data.resize(totalSize);
1985
1986                 // Pointers for each block.
1987                 int curOffset = 0;
1988                 for (int blockNdx = 0; blockNdx < (int)m_uniformLayout.blocks.size(); blockNdx++)
1989                 {
1990                         m_blockPointers[blockNdx] = &m_data[0] + curOffset;
1991                         curOffset += m_uniformLayout.blocks[blockNdx].size;
1992                 }
1993         }
1994
1995         // Generate values.
1996         generateValues(m_uniformLayout, m_blockPointers, 1 /* seed */);
1997
1998         // Generate shaders.
1999         m_vertShaderSource = generateVertexShader(m_interface, m_uniformLayout, m_blockPointers);
2000         m_fragShaderSource = generateFragmentShader(m_interface, m_uniformLayout, m_blockPointers);
2001 }
2002
2003 } // ubo
2004 } // vkt