--- /dev/null
+/*------------------------------------------------------------------------
+ * Vulkan Conformance Tests
+ * ------------------------
+ *
+ * Copyright (c) 2015 The Khronos Group Inc.
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and/or associated documentation files (the
+ * "Materials"), to deal in the Materials without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Materials, and to
+ * permit persons to whom the Materials are furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice(s) and this permission notice shall be included
+ * in all copies or substantial portions of the Materials.
+ *
+ * The Materials are Confidential Information as defined by the
+ * Khronos Membership Agreement until designated non-confidential by Khronos,
+ * at which point this condition clause shall be removed.
+ *
+ * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+ *
+ *//*!
+ * \file
+ * \brief SSBO layout case.
+ *//*--------------------------------------------------------------------*/
+
+#include "vktSSBOLayoutCase.hpp"
+#include "gluRenderContext.hpp"
+#include "gluShaderProgram.hpp"
+#include "gluPixelTransfer.hpp"
+#include "gluContextInfo.hpp"
+#include "gluRenderContext.hpp"
+#include "gluProgramInterfaceQuery.hpp"
+#include "gluObjectWrapper.hpp"
+#include "gluVarTypeUtil.hpp"
+#include "glwFunctions.hpp"
+#include "glwEnums.hpp"
+#include "tcuTestLog.hpp"
+#include "tcuSurface.hpp"
+#include "tcuRenderTarget.hpp"
+#include "deRandom.hpp"
+#include "deStringUtil.hpp"
+#include "deMemory.h"
+#include "deString.h"
+#include "deMath.h"
+
+#include <algorithm>
+#include <map>
+
+using tcu::TestLog;
+using std::string;
+using std::vector;
+using std::map;
+
+namespace deqp
+{
+namespace gles31
+{
+
+using glu::VarType;
+using glu::StructType;
+using glu::StructMember;
+
+namespace bb
+{
+
+struct LayoutFlagsFmt
+{
+ deUint32 flags;
+ LayoutFlagsFmt (deUint32 flags_) : flags(flags_) {}
+};
+
+std::ostream& operator<< (std::ostream& str, const LayoutFlagsFmt& fmt)
+{
+ static const struct
+ {
+ deUint32 bit;
+ const char* token;
+ } bitDesc[] =
+ {
+ { LAYOUT_SHARED, "shared" },
+ { LAYOUT_PACKED, "packed" },
+ { LAYOUT_STD140, "std140" },
+ { LAYOUT_STD430, "std430" },
+ { LAYOUT_ROW_MAJOR, "row_major" },
+ { LAYOUT_COLUMN_MAJOR, "column_major" }
+ };
+
+ deUint32 remBits = fmt.flags;
+ for (int descNdx = 0; descNdx < DE_LENGTH_OF_ARRAY(bitDesc); descNdx++)
+ {
+ if (remBits & bitDesc[descNdx].bit)
+ {
+ if (remBits != fmt.flags)
+ str << ", ";
+ str << bitDesc[descNdx].token;
+ remBits &= ~bitDesc[descNdx].bit;
+ }
+ }
+ DE_ASSERT(remBits == 0);
+ return str;
+}
+
+// BufferVar implementation.
+
+BufferVar::BufferVar (const char* name, const VarType& type, deUint32 flags)
+ : m_name (name)
+ , m_type (type)
+ , m_flags (flags)
+{
+}
+
+// BufferBlock implementation.
+
+BufferBlock::BufferBlock (const char* blockName)
+ : m_blockName (blockName)
+ , m_arraySize (-1)
+ , m_flags (0)
+{
+ setArraySize(0);
+}
+
+void BufferBlock::setArraySize (int arraySize)
+{
+ DE_ASSERT(arraySize >= 0);
+ m_lastUnsizedArraySizes.resize(arraySize == 0 ? 1 : arraySize, 0);
+ m_arraySize = arraySize;
+}
+
+struct BlockLayoutEntry
+{
+ BlockLayoutEntry (void)
+ : size(0)
+ {
+ }
+
+ std::string name;
+ int size;
+ std::vector<int> activeVarIndices;
+};
+
+std::ostream& operator<< (std::ostream& stream, const BlockLayoutEntry& entry)
+{
+ stream << entry.name << " { name = " << entry.name
+ << ", size = " << entry.size
+ << ", activeVarIndices = [";
+
+ for (vector<int>::const_iterator i = entry.activeVarIndices.begin(); i != entry.activeVarIndices.end(); i++)
+ {
+ if (i != entry.activeVarIndices.begin())
+ stream << ", ";
+ stream << *i;
+ }
+
+ stream << "] }";
+ return stream;
+}
+
+struct BufferVarLayoutEntry
+{
+ BufferVarLayoutEntry (void)
+ : type (glu::TYPE_LAST)
+ , blockNdx (-1)
+ , offset (-1)
+ , arraySize (-1)
+ , arrayStride (-1)
+ , matrixStride (-1)
+ , topLevelArraySize (-1)
+ , topLevelArrayStride (-1)
+ , isRowMajor (false)
+ {
+ }
+
+ std::string name;
+ glu::DataType type;
+ int blockNdx;
+ int offset;
+ int arraySize;
+ int arrayStride;
+ int matrixStride;
+ int topLevelArraySize;
+ int topLevelArrayStride;
+ bool isRowMajor;
+};
+
+static bool isUnsizedArray (const BufferVarLayoutEntry& entry)
+{
+ DE_ASSERT(entry.arraySize != 0 || entry.topLevelArraySize != 0);
+ return entry.arraySize == 0 || entry.topLevelArraySize == 0;
+}
+
+std::ostream& operator<< (std::ostream& stream, const BufferVarLayoutEntry& entry)
+{
+ stream << entry.name << " { type = " << glu::getDataTypeName(entry.type)
+ << ", blockNdx = " << entry.blockNdx
+ << ", offset = " << entry.offset
+ << ", arraySize = " << entry.arraySize
+ << ", arrayStride = " << entry.arrayStride
+ << ", matrixStride = " << entry.matrixStride
+ << ", topLevelArraySize = " << entry.topLevelArraySize
+ << ", topLevelArrayStride = " << entry.topLevelArrayStride
+ << ", isRowMajor = " << (entry.isRowMajor ? "true" : "false")
+ << " }";
+ return stream;
+}
+
+class BufferLayout
+{
+public:
+ std::vector<BlockLayoutEntry> blocks;
+ std::vector<BufferVarLayoutEntry> bufferVars;
+
+ int getVariableIndex (const string& name) const;
+ int getBlockIndex (const string& name) const;
+};
+
+// \todo [2012-01-24 pyry] Speed up lookups using hash.
+
+int BufferLayout::getVariableIndex (const string& name) const
+{
+ for (int ndx = 0; ndx < (int)bufferVars.size(); ndx++)
+ {
+ if (bufferVars[ndx].name == name)
+ return ndx;
+ }
+ return -1;
+}
+
+int BufferLayout::getBlockIndex (const string& name) const
+{
+ for (int ndx = 0; ndx < (int)blocks.size(); ndx++)
+ {
+ if (blocks[ndx].name == name)
+ return ndx;
+ }
+ return -1;
+}
+
+// ShaderInterface implementation.
+
+ShaderInterface::ShaderInterface (void)
+{
+}
+
+ShaderInterface::~ShaderInterface (void)
+{
+ for (std::vector<StructType*>::iterator i = m_structs.begin(); i != m_structs.end(); i++)
+ delete *i;
+
+ for (std::vector<BufferBlock*>::iterator i = m_bufferBlocks.begin(); i != m_bufferBlocks.end(); i++)
+ delete *i;
+}
+
+StructType& ShaderInterface::allocStruct (const char* name)
+{
+ m_structs.reserve(m_structs.size()+1);
+ m_structs.push_back(new StructType(name));
+ return *m_structs.back();
+}
+
+struct StructNameEquals
+{
+ std::string name;
+
+ StructNameEquals (const char* name_) : name(name_) {}
+
+ bool operator() (const StructType* type) const
+ {
+ return type->getTypeName() && name == type->getTypeName();
+ }
+};
+
+const StructType* ShaderInterface::findStruct (const char* name) const
+{
+ std::vector<StructType*>::const_iterator pos = std::find_if(m_structs.begin(), m_structs.end(), StructNameEquals(name));
+ return pos != m_structs.end() ? *pos : DE_NULL;
+}
+
+void ShaderInterface::getNamedStructs (std::vector<const StructType*>& structs) const
+{
+ for (std::vector<StructType*>::const_iterator i = m_structs.begin(); i != m_structs.end(); i++)
+ {
+ if ((*i)->getTypeName() != DE_NULL)
+ structs.push_back(*i);
+ }
+}
+
+BufferBlock& ShaderInterface::allocBlock (const char* name)
+{
+ m_bufferBlocks.reserve(m_bufferBlocks.size()+1);
+ m_bufferBlocks.push_back(new BufferBlock(name));
+ return *m_bufferBlocks.back();
+}
+
+// BlockDataPtr
+
+struct BlockDataPtr
+{
+ void* ptr;
+ int size; //!< Redundant, for debugging purposes.
+ int lastUnsizedArraySize;
+
+ BlockDataPtr (void* ptr_, int size_, int lastUnsizedArraySize_)
+ : ptr (ptr_)
+ , size (size_)
+ , lastUnsizedArraySize (lastUnsizedArraySize_)
+ {
+ }
+
+ BlockDataPtr (void)
+ : ptr (DE_NULL)
+ , size (0)
+ , lastUnsizedArraySize (0)
+ {
+ }
+};
+
+namespace // Utilities
+{
+
+int findBlockIndex (const BufferLayout& layout, const string& name)
+{
+ for (int ndx = 0; ndx < (int)layout.blocks.size(); ndx++)
+ {
+ if (layout.blocks[ndx].name == name)
+ return ndx;
+ }
+ return -1;
+}
+
+// Layout computation.
+
+int getDataTypeByteSize (glu::DataType type)
+{
+ return glu::getDataTypeScalarSize(type)*(int)sizeof(deUint32);
+}
+
+int getDataTypeByteAlignment (glu::DataType type)
+{
+ switch (type)
+ {
+ case glu::TYPE_FLOAT:
+ case glu::TYPE_INT:
+ case glu::TYPE_UINT:
+ case glu::TYPE_BOOL: return 1*(int)sizeof(deUint32);
+
+ case glu::TYPE_FLOAT_VEC2:
+ case glu::TYPE_INT_VEC2:
+ case glu::TYPE_UINT_VEC2:
+ case glu::TYPE_BOOL_VEC2: return 2*(int)sizeof(deUint32);
+
+ case glu::TYPE_FLOAT_VEC3:
+ case glu::TYPE_INT_VEC3:
+ case glu::TYPE_UINT_VEC3:
+ case glu::TYPE_BOOL_VEC3: // Fall-through to vec4
+
+ case glu::TYPE_FLOAT_VEC4:
+ case glu::TYPE_INT_VEC4:
+ case glu::TYPE_UINT_VEC4:
+ case glu::TYPE_BOOL_VEC4: return 4*(int)sizeof(deUint32);
+
+ default:
+ DE_ASSERT(false);
+ return 0;
+ }
+}
+
+static inline int deRoundUp32 (int a, int b)
+{
+ int d = a/b;
+ return d*b == a ? a : (d+1)*b;
+}
+
+int computeStd140BaseAlignment (const VarType& type, deUint32 layoutFlags)
+{
+ const int vec4Alignment = (int)sizeof(deUint32)*4;
+
+ if (type.isBasicType())
+ {
+ glu::DataType basicType = type.getBasicType();
+
+ if (glu::isDataTypeMatrix(basicType))
+ {
+ const bool isRowMajor = !!(layoutFlags & LAYOUT_ROW_MAJOR);
+ const int vecSize = isRowMajor ? glu::getDataTypeMatrixNumColumns(basicType)
+ : glu::getDataTypeMatrixNumRows(basicType);
+ const int vecAlign = deAlign32(getDataTypeByteAlignment(glu::getDataTypeFloatVec(vecSize)), vec4Alignment);
+
+ return vecAlign;
+ }
+ else
+ return getDataTypeByteAlignment(basicType);
+ }
+ else if (type.isArrayType())
+ {
+ int elemAlignment = computeStd140BaseAlignment(type.getElementType(), layoutFlags);
+
+ // Round up to alignment of vec4
+ return deAlign32(elemAlignment, vec4Alignment);
+ }
+ else
+ {
+ DE_ASSERT(type.isStructType());
+
+ int maxBaseAlignment = 0;
+
+ for (StructType::ConstIterator memberIter = type.getStructPtr()->begin(); memberIter != type.getStructPtr()->end(); memberIter++)
+ maxBaseAlignment = de::max(maxBaseAlignment, computeStd140BaseAlignment(memberIter->getType(), layoutFlags));
+
+ return deAlign32(maxBaseAlignment, vec4Alignment);
+ }
+}
+
+int computeStd430BaseAlignment (const VarType& type, deUint32 layoutFlags)
+{
+ // Otherwise identical to std140 except that alignment of structures and arrays
+ // are not rounded up to alignment of vec4.
+
+ if (type.isBasicType())
+ {
+ glu::DataType basicType = type.getBasicType();
+
+ if (glu::isDataTypeMatrix(basicType))
+ {
+ const bool isRowMajor = !!(layoutFlags & LAYOUT_ROW_MAJOR);
+ const int vecSize = isRowMajor ? glu::getDataTypeMatrixNumColumns(basicType)
+ : glu::getDataTypeMatrixNumRows(basicType);
+ const int vecAlign = getDataTypeByteAlignment(glu::getDataTypeFloatVec(vecSize));
+
+ return vecAlign;
+ }
+ else
+ return getDataTypeByteAlignment(basicType);
+ }
+ else if (type.isArrayType())
+ {
+ return computeStd430BaseAlignment(type.getElementType(), layoutFlags);
+ }
+ else
+ {
+ DE_ASSERT(type.isStructType());
+
+ int maxBaseAlignment = 0;
+
+ for (StructType::ConstIterator memberIter = type.getStructPtr()->begin(); memberIter != type.getStructPtr()->end(); memberIter++)
+ maxBaseAlignment = de::max(maxBaseAlignment, computeStd430BaseAlignment(memberIter->getType(), layoutFlags));
+
+ return maxBaseAlignment;
+ }
+}
+
+inline deUint32 mergeLayoutFlags (deUint32 prevFlags, deUint32 newFlags)
+{
+ const deUint32 packingMask = LAYOUT_PACKED|LAYOUT_SHARED|LAYOUT_STD140|LAYOUT_STD430;
+ const deUint32 matrixMask = LAYOUT_ROW_MAJOR|LAYOUT_COLUMN_MAJOR;
+
+ deUint32 mergedFlags = 0;
+
+ mergedFlags |= ((newFlags & packingMask) ? newFlags : prevFlags) & packingMask;
+ mergedFlags |= ((newFlags & matrixMask) ? newFlags : prevFlags) & matrixMask;
+
+ return mergedFlags;
+}
+
+//! Appends all child elements to layout, returns value that should be appended to offset.
+int computeReferenceLayout (
+ BufferLayout& layout,
+ int curBlockNdx,
+ int baseOffset,
+ const std::string& curPrefix,
+ const VarType& type,
+ deUint32 layoutFlags)
+{
+ // Reference layout uses std430 rules by default. std140 rules are
+ // choosen only for blocks that have std140 layout.
+ const bool isStd140 = (layoutFlags & LAYOUT_STD140) != 0;
+ const int baseAlignment = isStd140 ? computeStd140BaseAlignment(type, layoutFlags)
+ : computeStd430BaseAlignment(type, layoutFlags);
+ int curOffset = deAlign32(baseOffset, baseAlignment);
+ const int topLevelArraySize = 1; // Default values
+ const int topLevelArrayStride = 0;
+
+ if (type.isBasicType())
+ {
+ const glu::DataType basicType = type.getBasicType();
+ BufferVarLayoutEntry entry;
+
+ entry.name = curPrefix;
+ entry.type = basicType;
+ entry.arraySize = 1;
+ entry.arrayStride = 0;
+ entry.matrixStride = 0;
+ entry.topLevelArraySize = topLevelArraySize;
+ entry.topLevelArrayStride = topLevelArrayStride;
+ entry.blockNdx = curBlockNdx;
+
+ if (glu::isDataTypeMatrix(basicType))
+ {
+ // Array of vectors as specified in rules 5 & 7.
+ const bool isRowMajor = !!(layoutFlags & LAYOUT_ROW_MAJOR);
+ const int numVecs = isRowMajor ? glu::getDataTypeMatrixNumRows(basicType)
+ : glu::getDataTypeMatrixNumColumns(basicType);
+
+ entry.offset = curOffset;
+ entry.matrixStride = baseAlignment;
+ entry.isRowMajor = isRowMajor;
+
+ curOffset += numVecs*baseAlignment;
+ }
+ else
+ {
+ // Scalar or vector.
+ entry.offset = curOffset;
+
+ curOffset += getDataTypeByteSize(basicType);
+ }
+
+ layout.bufferVars.push_back(entry);
+ }
+ else if (type.isArrayType())
+ {
+ const VarType& elemType = type.getElementType();
+
+ if (elemType.isBasicType() && !glu::isDataTypeMatrix(elemType.getBasicType()))
+ {
+ // Array of scalars or vectors.
+ const glu::DataType elemBasicType = elemType.getBasicType();
+ const int stride = baseAlignment;
+ BufferVarLayoutEntry entry;
+
+ entry.name = curPrefix + "[0]"; // Array variables are always postfixed with [0]
+ entry.type = elemBasicType;
+ entry.blockNdx = curBlockNdx;
+ entry.offset = curOffset;
+ entry.arraySize = type.getArraySize();
+ entry.arrayStride = stride;
+ entry.matrixStride = 0;
+ entry.topLevelArraySize = topLevelArraySize;
+ entry.topLevelArrayStride = topLevelArrayStride;
+
+ curOffset += stride*type.getArraySize();
+
+ layout.bufferVars.push_back(entry);
+ }
+ else if (elemType.isBasicType() && glu::isDataTypeMatrix(elemType.getBasicType()))
+ {
+ // Array of matrices.
+ const glu::DataType elemBasicType = elemType.getBasicType();
+ const bool isRowMajor = !!(layoutFlags & LAYOUT_ROW_MAJOR);
+ const int numVecs = isRowMajor ? glu::getDataTypeMatrixNumRows(elemBasicType)
+ : glu::getDataTypeMatrixNumColumns(elemBasicType);
+ const int vecStride = baseAlignment;
+ BufferVarLayoutEntry entry;
+
+ entry.name = curPrefix + "[0]"; // Array variables are always postfixed with [0]
+ entry.type = elemBasicType;
+ entry.blockNdx = curBlockNdx;
+ entry.offset = curOffset;
+ entry.arraySize = type.getArraySize();
+ entry.arrayStride = vecStride*numVecs;
+ entry.matrixStride = vecStride;
+ entry.isRowMajor = isRowMajor;
+ entry.topLevelArraySize = topLevelArraySize;
+ entry.topLevelArrayStride = topLevelArrayStride;
+
+ curOffset += numVecs*vecStride*type.getArraySize();
+
+ layout.bufferVars.push_back(entry);
+ }
+ else
+ {
+ DE_ASSERT(elemType.isStructType() || elemType.isArrayType());
+
+ for (int elemNdx = 0; elemNdx < type.getArraySize(); elemNdx++)
+ curOffset += computeReferenceLayout(layout, curBlockNdx, curOffset, curPrefix + "[" + de::toString(elemNdx) + "]", type.getElementType(), layoutFlags);
+ }
+ }
+ else
+ {
+ DE_ASSERT(type.isStructType());
+
+ for (StructType::ConstIterator memberIter = type.getStructPtr()->begin(); memberIter != type.getStructPtr()->end(); memberIter++)
+ curOffset += computeReferenceLayout(layout, curBlockNdx, curOffset, curPrefix + "." + memberIter->getName(), memberIter->getType(), layoutFlags);
+
+ curOffset = deAlign32(curOffset, baseAlignment);
+ }
+
+ return curOffset-baseOffset;
+}
+
+//! Appends all child elements to layout, returns offset increment.
+int computeReferenceLayout (BufferLayout& layout, int curBlockNdx, const std::string& blockPrefix, int baseOffset, const BufferVar& bufVar, deUint32 blockLayoutFlags)
+{
+ const VarType& varType = bufVar.getType();
+ const deUint32 combinedFlags = mergeLayoutFlags(blockLayoutFlags, bufVar.getFlags());
+
+ if (varType.isArrayType())
+ {
+ // Top-level arrays need special care.
+ const int topLevelArraySize = varType.getArraySize() == VarType::UNSIZED_ARRAY ? 0 : varType.getArraySize();
+ const string prefix = blockPrefix + bufVar.getName() + "[0]";
+ const bool isStd140 = (blockLayoutFlags & LAYOUT_STD140) != 0;
+ const int vec4Align = (int)sizeof(deUint32)*4;
+ const int baseAlignment = isStd140 ? computeStd140BaseAlignment(varType, combinedFlags)
+ : computeStd430BaseAlignment(varType, combinedFlags);
+ int curOffset = deAlign32(baseOffset, baseAlignment);
+ const VarType& elemType = varType.getElementType();
+
+ if (elemType.isBasicType() && !glu::isDataTypeMatrix(elemType.getBasicType()))
+ {
+ // Array of scalars or vectors.
+ const glu::DataType elemBasicType = elemType.getBasicType();
+ const int elemBaseAlign = getDataTypeByteAlignment(elemBasicType);
+ const int stride = isStd140 ? deAlign32(elemBaseAlign, vec4Align) : elemBaseAlign;
+ BufferVarLayoutEntry entry;
+
+ entry.name = prefix;
+ entry.topLevelArraySize = 1;
+ entry.topLevelArrayStride = 0;
+ entry.type = elemBasicType;
+ entry.blockNdx = curBlockNdx;
+ entry.offset = curOffset;
+ entry.arraySize = topLevelArraySize;
+ entry.arrayStride = stride;
+ entry.matrixStride = 0;
+
+ layout.bufferVars.push_back(entry);
+
+ curOffset += stride*topLevelArraySize;
+ }
+ else if (elemType.isBasicType() && glu::isDataTypeMatrix(elemType.getBasicType()))
+ {
+ // Array of matrices.
+ const glu::DataType elemBasicType = elemType.getBasicType();
+ const bool isRowMajor = !!(combinedFlags & LAYOUT_ROW_MAJOR);
+ const int vecSize = isRowMajor ? glu::getDataTypeMatrixNumColumns(elemBasicType)
+ : glu::getDataTypeMatrixNumRows(elemBasicType);
+ const int numVecs = isRowMajor ? glu::getDataTypeMatrixNumRows(elemBasicType)
+ : glu::getDataTypeMatrixNumColumns(elemBasicType);
+ const glu::DataType vecType = glu::getDataTypeFloatVec(vecSize);
+ const int vecBaseAlign = getDataTypeByteAlignment(vecType);
+ const int stride = isStd140 ? deAlign32(vecBaseAlign, vec4Align) : vecBaseAlign;
+ BufferVarLayoutEntry entry;
+
+ entry.name = prefix;
+ entry.topLevelArraySize = 1;
+ entry.topLevelArrayStride = 0;
+ entry.type = elemBasicType;
+ entry.blockNdx = curBlockNdx;
+ entry.offset = curOffset;
+ entry.arraySize = topLevelArraySize;
+ entry.arrayStride = stride*numVecs;
+ entry.matrixStride = stride;
+ entry.isRowMajor = isRowMajor;
+
+ layout.bufferVars.push_back(entry);
+
+ curOffset += stride*numVecs*topLevelArraySize;
+ }
+ else
+ {
+ DE_ASSERT(elemType.isStructType() || elemType.isArrayType());
+
+ // Struct base alignment is not added multiple times as curOffset supplied to computeReferenceLayout
+ // was already aligned correctly. Thus computeReferenceLayout should not add any extra padding
+ // before struct. Padding after struct will be added as it should.
+ //
+ // Stride could be computed prior to creating child elements, but it would essentially require running
+ // the layout computation twice. Instead we fix stride to child elements afterwards.
+
+ const int firstChildNdx = (int)layout.bufferVars.size();
+ const int stride = computeReferenceLayout(layout, curBlockNdx, curOffset, prefix, varType.getElementType(), combinedFlags);
+
+ for (int childNdx = firstChildNdx; childNdx < (int)layout.bufferVars.size(); childNdx++)
+ {
+ layout.bufferVars[childNdx].topLevelArraySize = topLevelArraySize;
+ layout.bufferVars[childNdx].topLevelArrayStride = stride;
+ }
+
+ curOffset += stride*topLevelArraySize;
+ }
+
+ return curOffset-baseOffset;
+ }
+ else
+ return computeReferenceLayout(layout, curBlockNdx, baseOffset, blockPrefix + bufVar.getName(), varType, combinedFlags);
+}
+
+void computeReferenceLayout (BufferLayout& layout, const ShaderInterface& interface)
+{
+ int numBlocks = interface.getNumBlocks();
+
+ for (int blockNdx = 0; blockNdx < numBlocks; blockNdx++)
+ {
+ const BufferBlock& block = interface.getBlock(blockNdx);
+ bool hasInstanceName = block.getInstanceName() != DE_NULL;
+ std::string blockPrefix = hasInstanceName ? (std::string(block.getBlockName()) + ".") : std::string("");
+ int curOffset = 0;
+ int activeBlockNdx = (int)layout.blocks.size();
+ int firstVarNdx = (int)layout.bufferVars.size();
+
+ for (BufferBlock::const_iterator varIter = block.begin(); varIter != block.end(); varIter++)
+ {
+ const BufferVar& bufVar = *varIter;
+ curOffset += computeReferenceLayout(layout, activeBlockNdx, blockPrefix, curOffset, bufVar, block.getFlags());
+ }
+
+ int varIndicesEnd = (int)layout.bufferVars.size();
+ int blockSize = curOffset;
+ int numInstances = block.isArray() ? block.getArraySize() : 1;
+
+ // Create block layout entries for each instance.
+ for (int instanceNdx = 0; instanceNdx < numInstances; instanceNdx++)
+ {
+ // Allocate entry for instance.
+ layout.blocks.push_back(BlockLayoutEntry());
+ BlockLayoutEntry& blockEntry = layout.blocks.back();
+
+ blockEntry.name = block.getBlockName();
+ blockEntry.size = blockSize;
+
+ // Compute active variable set for block.
+ for (int varNdx = firstVarNdx; varNdx < varIndicesEnd; varNdx++)
+ blockEntry.activeVarIndices.push_back(varNdx);
+
+ if (block.isArray())
+ blockEntry.name += "[" + de::toString(instanceNdx) + "]";
+ }
+ }
+}
+
+// Value generator.
+
+void generateValue (const BufferVarLayoutEntry& entry, int unsizedArraySize, void* basePtr, de::Random& rnd)
+{
+ const glu::DataType scalarType = glu::getDataTypeScalarType(entry.type);
+ const int scalarSize = glu::getDataTypeScalarSize(entry.type);
+ const int arraySize = entry.arraySize == 0 ? unsizedArraySize : entry.arraySize;
+ const int arrayStride = entry.arrayStride;
+ const int topLevelSize = entry.topLevelArraySize == 0 ? unsizedArraySize : entry.topLevelArraySize;
+ const int topLevelStride = entry.topLevelArrayStride;
+ const bool isMatrix = glu::isDataTypeMatrix(entry.type);
+ const int numVecs = isMatrix ? (entry.isRowMajor ? glu::getDataTypeMatrixNumRows(entry.type) : glu::getDataTypeMatrixNumColumns(entry.type)) : 1;
+ const int vecSize = scalarSize / numVecs;
+ const int compSize = sizeof(deUint32);
+
+ DE_ASSERT(scalarSize%numVecs == 0);
+ DE_ASSERT(topLevelSize >= 0);
+ DE_ASSERT(arraySize >= 0);
+
+ for (int topElemNdx = 0; topElemNdx < topLevelSize; topElemNdx++)
+ {
+ deUint8* const topElemPtr = (deUint8*)basePtr + entry.offset + topElemNdx*topLevelStride;
+
+ for (int elemNdx = 0; elemNdx < arraySize; elemNdx++)
+ {
+ deUint8* const elemPtr = topElemPtr + elemNdx*arrayStride;
+
+ for (int vecNdx = 0; vecNdx < numVecs; vecNdx++)
+ {
+ deUint8* const vecPtr = elemPtr + (isMatrix ? vecNdx*entry.matrixStride : 0);
+
+ for (int compNdx = 0; compNdx < vecSize; compNdx++)
+ {
+ deUint8* const compPtr = vecPtr + compSize*compNdx;
+
+ switch (scalarType)
+ {
+ case glu::TYPE_FLOAT: *((float*)compPtr) = (float)rnd.getInt(-9, 9); break;
+ case glu::TYPE_INT: *((int*)compPtr) = rnd.getInt(-9, 9); break;
+ case glu::TYPE_UINT: *((deUint32*)compPtr) = (deUint32)rnd.getInt(0, 9); break;
+ // \note Random bit pattern is used for true values. Spec states that all non-zero values are
+ // interpreted as true but some implementations fail this.
+ case glu::TYPE_BOOL: *((deUint32*)compPtr) = rnd.getBool() ? rnd.getUint32()|1u : 0u; break;
+ default:
+ DE_ASSERT(false);
+ }
+ }
+ }
+ }
+ }
+}
+
+void generateValues (const BufferLayout& layout, const vector<BlockDataPtr>& blockPointers, deUint32 seed)
+{
+ de::Random rnd (seed);
+ const int numBlocks = (int)layout.blocks.size();
+
+ DE_ASSERT(numBlocks == (int)blockPointers.size());
+
+ for (int blockNdx = 0; blockNdx < numBlocks; blockNdx++)
+ {
+ const BlockLayoutEntry& blockLayout = layout.blocks[blockNdx];
+ const BlockDataPtr& blockPtr = blockPointers[blockNdx];
+ const int numEntries = (int)layout.blocks[blockNdx].activeVarIndices.size();
+
+ for (int entryNdx = 0; entryNdx < numEntries; entryNdx++)
+ {
+ const int varNdx = blockLayout.activeVarIndices[entryNdx];
+ const BufferVarLayoutEntry& varEntry = layout.bufferVars[varNdx];
+
+ generateValue(varEntry, blockPtr.lastUnsizedArraySize, blockPtr.ptr, rnd);
+ }
+ }
+}
+
+// Shader generator.
+
+const char* getCompareFuncForType (glu::DataType type)
+{
+ switch (type)
+ {
+ case glu::TYPE_FLOAT: return "bool compare_float (highp float a, highp float b) { return abs(a - b) < 0.05; }\n";
+ case glu::TYPE_FLOAT_VEC2: return "bool compare_vec2 (highp vec2 a, highp vec2 b) { return compare_float(a.x, b.x)&&compare_float(a.y, b.y); }\n";
+ case glu::TYPE_FLOAT_VEC3: return "bool 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";
+ case glu::TYPE_FLOAT_VEC4: return "bool 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";
+ case glu::TYPE_FLOAT_MAT2: return "bool compare_mat2 (highp mat2 a, highp mat2 b) { return compare_vec2(a[0], b[0])&&compare_vec2(a[1], b[1]); }\n";
+ case glu::TYPE_FLOAT_MAT2X3: return "bool compare_mat2x3 (highp mat2x3 a, highp mat2x3 b){ return compare_vec3(a[0], b[0])&&compare_vec3(a[1], b[1]); }\n";
+ case glu::TYPE_FLOAT_MAT2X4: return "bool compare_mat2x4 (highp mat2x4 a, highp mat2x4 b){ return compare_vec4(a[0], b[0])&&compare_vec4(a[1], b[1]); }\n";
+ case glu::TYPE_FLOAT_MAT3X2: return "bool 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";
+ case glu::TYPE_FLOAT_MAT3: return "bool 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";
+ case glu::TYPE_FLOAT_MAT3X4: return "bool 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";
+ case glu::TYPE_FLOAT_MAT4X2: return "bool 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";
+ case glu::TYPE_FLOAT_MAT4X3: return "bool 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";
+ case glu::TYPE_FLOAT_MAT4: return "bool 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";
+ case glu::TYPE_INT: return "bool compare_int (highp int a, highp int b) { return a == b; }\n";
+ case glu::TYPE_INT_VEC2: return "bool compare_ivec2 (highp ivec2 a, highp ivec2 b) { return a == b; }\n";
+ case glu::TYPE_INT_VEC3: return "bool compare_ivec3 (highp ivec3 a, highp ivec3 b) { return a == b; }\n";
+ case glu::TYPE_INT_VEC4: return "bool compare_ivec4 (highp ivec4 a, highp ivec4 b) { return a == b; }\n";
+ case glu::TYPE_UINT: return "bool compare_uint (highp uint a, highp uint b) { return a == b; }\n";
+ case glu::TYPE_UINT_VEC2: return "bool compare_uvec2 (highp uvec2 a, highp uvec2 b) { return a == b; }\n";
+ case glu::TYPE_UINT_VEC3: return "bool compare_uvec3 (highp uvec3 a, highp uvec3 b) { return a == b; }\n";
+ case glu::TYPE_UINT_VEC4: return "bool compare_uvec4 (highp uvec4 a, highp uvec4 b) { return a == b; }\n";
+ case glu::TYPE_BOOL: return "bool compare_bool (bool a, bool b) { return a == b; }\n";
+ case glu::TYPE_BOOL_VEC2: return "bool compare_bvec2 (bvec2 a, bvec2 b) { return a == b; }\n";
+ case glu::TYPE_BOOL_VEC3: return "bool compare_bvec3 (bvec3 a, bvec3 b) { return a == b; }\n";
+ case glu::TYPE_BOOL_VEC4: return "bool compare_bvec4 (bvec4 a, bvec4 b) { return a == b; }\n";
+ default:
+ DE_ASSERT(false);
+ return DE_NULL;
+ }
+}
+
+void getCompareDependencies (std::set<glu::DataType>& compareFuncs, glu::DataType basicType)
+{
+ switch (basicType)
+ {
+ case glu::TYPE_FLOAT_VEC2:
+ case glu::TYPE_FLOAT_VEC3:
+ case glu::TYPE_FLOAT_VEC4:
+ compareFuncs.insert(glu::TYPE_FLOAT);
+ compareFuncs.insert(basicType);
+ break;
+
+ case glu::TYPE_FLOAT_MAT2:
+ case glu::TYPE_FLOAT_MAT2X3:
+ case glu::TYPE_FLOAT_MAT2X4:
+ case glu::TYPE_FLOAT_MAT3X2:
+ case glu::TYPE_FLOAT_MAT3:
+ case glu::TYPE_FLOAT_MAT3X4:
+ case glu::TYPE_FLOAT_MAT4X2:
+ case glu::TYPE_FLOAT_MAT4X3:
+ case glu::TYPE_FLOAT_MAT4:
+ compareFuncs.insert(glu::TYPE_FLOAT);
+ compareFuncs.insert(glu::getDataTypeFloatVec(glu::getDataTypeMatrixNumRows(basicType)));
+ compareFuncs.insert(basicType);
+ break;
+
+ default:
+ compareFuncs.insert(basicType);
+ break;
+ }
+}
+
+void collectUniqueBasicTypes (std::set<glu::DataType>& basicTypes, const VarType& type)
+{
+ if (type.isStructType())
+ {
+ for (StructType::ConstIterator iter = type.getStructPtr()->begin(); iter != type.getStructPtr()->end(); ++iter)
+ collectUniqueBasicTypes(basicTypes, iter->getType());
+ }
+ else if (type.isArrayType())
+ collectUniqueBasicTypes(basicTypes, type.getElementType());
+ else
+ {
+ DE_ASSERT(type.isBasicType());
+ basicTypes.insert(type.getBasicType());
+ }
+}
+
+void collectUniqueBasicTypes (std::set<glu::DataType>& basicTypes, const BufferBlock& bufferBlock)
+{
+ for (BufferBlock::const_iterator iter = bufferBlock.begin(); iter != bufferBlock.end(); ++iter)
+ collectUniqueBasicTypes(basicTypes, iter->getType());
+}
+
+void collectUniqueBasicTypes (std::set<glu::DataType>& basicTypes, const ShaderInterface& interface)
+{
+ for (int ndx = 0; ndx < interface.getNumBlocks(); ++ndx)
+ collectUniqueBasicTypes(basicTypes, interface.getBlock(ndx));
+}
+
+void generateCompareFuncs (std::ostream& str, const ShaderInterface& interface)
+{
+ std::set<glu::DataType> types;
+ std::set<glu::DataType> compareFuncs;
+
+ // Collect unique basic types
+ collectUniqueBasicTypes(types, interface);
+
+ // Set of compare functions required
+ for (std::set<glu::DataType>::const_iterator iter = types.begin(); iter != types.end(); ++iter)
+ {
+ getCompareDependencies(compareFuncs, *iter);
+ }
+
+ for (int type = 0; type < glu::TYPE_LAST; ++type)
+ {
+ if (compareFuncs.find(glu::DataType(type)) != compareFuncs.end())
+ str << getCompareFuncForType(glu::DataType(type));
+ }
+}
+
+struct Indent
+{
+ int level;
+ Indent (int level_) : level(level_) {}
+};
+
+std::ostream& operator<< (std::ostream& str, const Indent& indent)
+{
+ for (int i = 0; i < indent.level; i++)
+ str << "\t";
+ return str;
+}
+
+void generateDeclaration (std::ostream& src, const BufferVar& bufferVar, int indentLevel)
+{
+ // \todo [pyry] Qualifiers
+
+ if ((bufferVar.getFlags() & LAYOUT_MASK) != 0)
+ src << "layout(" << LayoutFlagsFmt(bufferVar.getFlags() & LAYOUT_MASK) << ") ";
+
+ src << glu::declare(bufferVar.getType(), bufferVar.getName(), indentLevel);
+}
+
+void generateDeclaration (std::ostream& src, const BufferBlock& block, int bindingPoint)
+{
+ src << "layout(";
+
+ if ((block.getFlags() & LAYOUT_MASK) != 0)
+ src << LayoutFlagsFmt(block.getFlags() & LAYOUT_MASK) << ", ";
+
+ src << "binding = " << bindingPoint;
+
+ src << ") ";
+
+ src << "buffer " << block.getBlockName();
+ src << "\n{\n";
+
+ for (BufferBlock::const_iterator varIter = block.begin(); varIter != block.end(); varIter++)
+ {
+ src << Indent(1);
+ generateDeclaration(src, *varIter, 1 /* indent level */);
+ src << ";\n";
+ }
+
+ src << "}";
+
+ if (block.getInstanceName() != DE_NULL)
+ {
+ src << " " << block.getInstanceName();
+ if (block.isArray())
+ src << "[" << block.getArraySize() << "]";
+ }
+ else
+ DE_ASSERT(!block.isArray());
+
+ src << ";\n";
+}
+
+void generateImmMatrixSrc (std::ostream& src, glu::DataType basicType, int matrixStride, bool isRowMajor, const void* valuePtr)
+{
+ DE_ASSERT(glu::isDataTypeMatrix(basicType));
+
+ const int compSize = sizeof(deUint32);
+ const int numRows = glu::getDataTypeMatrixNumRows(basicType);
+ const int numCols = glu::getDataTypeMatrixNumColumns(basicType);
+
+ src << glu::getDataTypeName(basicType) << "(";
+
+ // Constructed in column-wise order.
+ for (int colNdx = 0; colNdx < numCols; colNdx++)
+ {
+ for (int rowNdx = 0; rowNdx < numRows; rowNdx++)
+ {
+ const deUint8* compPtr = (const deUint8*)valuePtr + (isRowMajor ? rowNdx*matrixStride + colNdx*compSize
+ : colNdx*matrixStride + rowNdx*compSize);
+
+ if (colNdx > 0 || rowNdx > 0)
+ src << ", ";
+
+ src << de::floatToString(*((const float*)compPtr), 1);
+ }
+ }
+
+ src << ")";
+}
+
+void generateImmScalarVectorSrc (std::ostream& src, glu::DataType basicType, const void* valuePtr)
+{
+ DE_ASSERT(glu::isDataTypeFloatOrVec(basicType) ||
+ glu::isDataTypeIntOrIVec(basicType) ||
+ glu::isDataTypeUintOrUVec(basicType) ||
+ glu::isDataTypeBoolOrBVec(basicType));
+
+ const glu::DataType scalarType = glu::getDataTypeScalarType(basicType);
+ const int scalarSize = glu::getDataTypeScalarSize(basicType);
+ const int compSize = sizeof(deUint32);
+
+ if (scalarSize > 1)
+ src << glu::getDataTypeName(basicType) << "(";
+
+ for (int scalarNdx = 0; scalarNdx < scalarSize; scalarNdx++)
+ {
+ const deUint8* compPtr = (const deUint8*)valuePtr + scalarNdx*compSize;
+
+ if (scalarNdx > 0)
+ src << ", ";
+
+ switch (scalarType)
+ {
+ case glu::TYPE_FLOAT: src << de::floatToString(*((const float*)compPtr), 1); break;
+ case glu::TYPE_INT: src << *((const int*)compPtr); break;
+ case glu::TYPE_UINT: src << *((const deUint32*)compPtr) << "u"; break;
+ case glu::TYPE_BOOL: src << (*((const deUint32*)compPtr) != 0u ? "true" : "false"); break;
+ default:
+ DE_ASSERT(false);
+ }
+ }
+
+ if (scalarSize > 1)
+ src << ")";
+}
+
+string getAPIName (const BufferBlock& block, const BufferVar& var, const glu::TypeComponentVector& accessPath)
+{
+ std::ostringstream name;
+
+ if (block.getInstanceName())
+ name << block.getBlockName() << ".";
+
+ name << var.getName();
+
+ for (glu::TypeComponentVector::const_iterator pathComp = accessPath.begin(); pathComp != accessPath.end(); pathComp++)
+ {
+ if (pathComp->type == glu::VarTypeComponent::STRUCT_MEMBER)
+ {
+ const VarType curType = glu::getVarType(var.getType(), accessPath.begin(), pathComp);
+ const StructType* structPtr = curType.getStructPtr();
+
+ name << "." << structPtr->getMember(pathComp->index).getName();
+ }
+ else if (pathComp->type == glu::VarTypeComponent::ARRAY_ELEMENT)
+ {
+ if (pathComp == accessPath.begin() || (pathComp+1) == accessPath.end())
+ name << "[0]"; // Top- / bottom-level array
+ else
+ name << "[" << pathComp->index << "]";
+ }
+ else
+ DE_ASSERT(false);
+ }
+
+ return name.str();
+}
+
+string getShaderName (const BufferBlock& block, int instanceNdx, const BufferVar& var, const glu::TypeComponentVector& accessPath)
+{
+ std::ostringstream name;
+
+ if (block.getInstanceName())
+ {
+ name << block.getInstanceName();
+
+ if (block.isArray())
+ name << "[" << instanceNdx << "]";
+
+ name << ".";
+ }
+ else
+ DE_ASSERT(instanceNdx == 0);
+
+ name << var.getName();
+
+ for (glu::TypeComponentVector::const_iterator pathComp = accessPath.begin(); pathComp != accessPath.end(); pathComp++)
+ {
+ if (pathComp->type == glu::VarTypeComponent::STRUCT_MEMBER)
+ {
+ const VarType curType = glu::getVarType(var.getType(), accessPath.begin(), pathComp);
+ const StructType* structPtr = curType.getStructPtr();
+
+ name << "." << structPtr->getMember(pathComp->index).getName();
+ }
+ else if (pathComp->type == glu::VarTypeComponent::ARRAY_ELEMENT)
+ name << "[" << pathComp->index << "]";
+ else
+ DE_ASSERT(false);
+ }
+
+ return name.str();
+}
+
+int computeOffset (const BufferVarLayoutEntry& varLayout, const glu::TypeComponentVector& accessPath)
+{
+ const int topLevelNdx = (accessPath.size() > 1 && accessPath.front().type == glu::VarTypeComponent::ARRAY_ELEMENT) ? accessPath.front().index : 0;
+ const int bottomLevelNdx = (!accessPath.empty() && accessPath.back().type == glu::VarTypeComponent::ARRAY_ELEMENT) ? accessPath.back().index : 0;
+
+ return varLayout.offset + varLayout.topLevelArrayStride*topLevelNdx + varLayout.arrayStride*bottomLevelNdx;
+}
+
+void generateCompareSrc (
+ std::ostream& src,
+ const char* resultVar,
+ const BufferLayout& bufferLayout,
+ const BufferBlock& block,
+ int instanceNdx,
+ const BlockDataPtr& blockPtr,
+ const BufferVar& bufVar,
+ const glu::SubTypeAccess& accessPath)
+{
+ const VarType curType = accessPath.getType();
+
+ if (curType.isArrayType())
+ {
+ const int arraySize = curType.getArraySize() == VarType::UNSIZED_ARRAY ? block.getLastUnsizedArraySize(instanceNdx) : curType.getArraySize();
+
+ for (int elemNdx = 0; elemNdx < arraySize; elemNdx++)
+ generateCompareSrc(src, resultVar, bufferLayout, block, instanceNdx, blockPtr, bufVar, accessPath.element(elemNdx));
+ }
+ else if (curType.isStructType())
+ {
+ const int numMembers = curType.getStructPtr()->getNumMembers();
+
+ for (int memberNdx = 0; memberNdx < numMembers; memberNdx++)
+ generateCompareSrc(src, resultVar, bufferLayout, block, instanceNdx, blockPtr, bufVar, accessPath.member(memberNdx));
+ }
+ else
+ {
+ DE_ASSERT(curType.isBasicType());
+
+ const string apiName = getAPIName(block, bufVar, accessPath.getPath());
+ const int varNdx = bufferLayout.getVariableIndex(apiName);
+
+ DE_ASSERT(varNdx >= 0);
+ {
+ const BufferVarLayoutEntry& varLayout = bufferLayout.bufferVars[varNdx];
+ const string shaderName = getShaderName(block, instanceNdx, bufVar, accessPath.getPath());
+ const glu::DataType basicType = curType.getBasicType();
+ const bool isMatrix = glu::isDataTypeMatrix(basicType);
+ const char* typeName = glu::getDataTypeName(basicType);
+ const void* valuePtr = (const deUint8*)blockPtr.ptr + computeOffset(varLayout, accessPath.getPath());
+
+ src << "\t" << resultVar << " = " << resultVar << " && compare_" << typeName << "(" << shaderName << ", ";
+
+ if (isMatrix)
+ generateImmMatrixSrc(src, basicType, varLayout.matrixStride, varLayout.isRowMajor, valuePtr);
+ else
+ generateImmScalarVectorSrc(src, basicType, valuePtr);
+
+ src << ");\n";
+ }
+ }
+}
+
+void generateCompareSrc (std::ostream& src, const char* resultVar, const ShaderInterface& interface, const BufferLayout& layout, const vector<BlockDataPtr>& blockPointers)
+{
+ for (int declNdx = 0; declNdx < interface.getNumBlocks(); declNdx++)
+ {
+ const BufferBlock& block = interface.getBlock(declNdx);
+ const bool isArray = block.isArray();
+ const int numInstances = isArray ? block.getArraySize() : 1;
+
+ DE_ASSERT(!isArray || block.getInstanceName());
+
+ for (int instanceNdx = 0; instanceNdx < numInstances; instanceNdx++)
+ {
+ const string instanceName = block.getBlockName() + (isArray ? "[" + de::toString(instanceNdx) + "]" : string(""));
+ const int blockNdx = layout.getBlockIndex(instanceName);
+ const BlockDataPtr& blockPtr = blockPointers[blockNdx];
+
+ for (BufferBlock::const_iterator varIter = block.begin(); varIter != block.end(); varIter++)
+ {
+ const BufferVar& bufVar = *varIter;
+
+ if ((bufVar.getFlags() & ACCESS_READ) == 0)
+ continue; // Don't read from that variable.
+
+ generateCompareSrc(src, resultVar, layout, block, instanceNdx, blockPtr, bufVar, glu::SubTypeAccess(bufVar.getType()));
+ }
+ }
+ }
+}
+
+// \todo [2013-10-14 pyry] Almost identical to generateCompareSrc - unify?
+
+void generateWriteSrc (
+ std::ostream& src,
+ const BufferLayout& bufferLayout,
+ const BufferBlock& block,
+ int instanceNdx,
+ const BlockDataPtr& blockPtr,
+ const BufferVar& bufVar,
+ const glu::SubTypeAccess& accessPath)
+{
+ const VarType curType = accessPath.getType();
+
+ if (curType.isArrayType())
+ {
+ const int arraySize = curType.getArraySize() == VarType::UNSIZED_ARRAY ? block.getLastUnsizedArraySize(instanceNdx) : curType.getArraySize();
+
+ for (int elemNdx = 0; elemNdx < arraySize; elemNdx++)
+ generateWriteSrc(src, bufferLayout, block, instanceNdx, blockPtr, bufVar, accessPath.element(elemNdx));
+ }
+ else if (curType.isStructType())
+ {
+ const int numMembers = curType.getStructPtr()->getNumMembers();
+
+ for (int memberNdx = 0; memberNdx < numMembers; memberNdx++)
+ generateWriteSrc(src, bufferLayout, block, instanceNdx, blockPtr, bufVar, accessPath.member(memberNdx));
+ }
+ else
+ {
+ DE_ASSERT(curType.isBasicType());
+
+ const string apiName = getAPIName(block, bufVar, accessPath.getPath());
+ const int varNdx = bufferLayout.getVariableIndex(apiName);
+
+ DE_ASSERT(varNdx >= 0);
+ {
+ const BufferVarLayoutEntry& varLayout = bufferLayout.bufferVars[varNdx];
+ const string shaderName = getShaderName(block, instanceNdx, bufVar, accessPath.getPath());
+ const glu::DataType basicType = curType.getBasicType();
+ const bool isMatrix = glu::isDataTypeMatrix(basicType);
+ const void* valuePtr = (const deUint8*)blockPtr.ptr + computeOffset(varLayout, accessPath.getPath());
+
+ src << "\t" << shaderName << " = ";
+
+ if (isMatrix)
+ generateImmMatrixSrc(src, basicType, varLayout.matrixStride, varLayout.isRowMajor, valuePtr);
+ else
+ generateImmScalarVectorSrc(src, basicType, valuePtr);
+
+ src << ";\n";
+ }
+ }
+}
+
+void generateWriteSrc (std::ostream& src, const ShaderInterface& interface, const BufferLayout& layout, const vector<BlockDataPtr>& blockPointers)
+{
+ for (int declNdx = 0; declNdx < interface.getNumBlocks(); declNdx++)
+ {
+ const BufferBlock& block = interface.getBlock(declNdx);
+ const bool isArray = block.isArray();
+ const int numInstances = isArray ? block.getArraySize() : 1;
+
+ DE_ASSERT(!isArray || block.getInstanceName());
+
+ for (int instanceNdx = 0; instanceNdx < numInstances; instanceNdx++)
+ {
+ const string instanceName = block.getBlockName() + (isArray ? "[" + de::toString(instanceNdx) + "]" : string(""));
+ const int blockNdx = layout.getBlockIndex(instanceName);
+ const BlockDataPtr& blockPtr = blockPointers[blockNdx];
+
+ for (BufferBlock::const_iterator varIter = block.begin(); varIter != block.end(); varIter++)
+ {
+ const BufferVar& bufVar = *varIter;
+
+ if ((bufVar.getFlags() & ACCESS_WRITE) == 0)
+ continue; // Don't write to that variable.
+
+ generateWriteSrc(src, layout, block, instanceNdx, blockPtr, bufVar, glu::SubTypeAccess(bufVar.getType()));
+ }
+ }
+ }
+}
+
+string generateComputeShader (glu::GLSLVersion glslVersion, const ShaderInterface& interface, const BufferLayout& layout, const vector<BlockDataPtr>& comparePtrs, const vector<BlockDataPtr>& writePtrs)
+{
+ std::ostringstream src;
+
+ DE_ASSERT(glslVersion == glu::GLSL_VERSION_310_ES || glslVersion == glu::GLSL_VERSION_430);
+
+ src << glu::getGLSLVersionDeclaration(glslVersion) << "\n";
+ src << "layout(local_size_x = 1) in;\n";
+ src << "\n";
+
+ std::vector<const StructType*> namedStructs;
+ interface.getNamedStructs(namedStructs);
+ for (std::vector<const StructType*>::const_iterator structIter = namedStructs.begin(); structIter != namedStructs.end(); structIter++)
+ src << glu::declare(*structIter) << ";\n";
+
+ {
+ int bindingPoint = 0;
+
+ for (int blockNdx = 0; blockNdx < interface.getNumBlocks(); blockNdx++)
+ {
+ const BufferBlock& block = interface.getBlock(blockNdx);
+ generateDeclaration(src, block, bindingPoint);
+
+ bindingPoint += block.isArray() ? block.getArraySize() : 1;
+ }
+ }
+
+ // Atomic counter for counting passed invocations.
+ src << "\nlayout(binding = 0) uniform atomic_uint ac_numPassed;\n";
+
+ // Comparison utilities.
+ src << "\n";
+ generateCompareFuncs(src, interface);
+
+ src << "\n"
+ "void main (void)\n"
+ "{\n"
+ " bool allOk = true;\n";
+
+ // Value compare.
+ generateCompareSrc(src, "allOk", interface, layout, comparePtrs);
+
+ src << " if (allOk)\n"
+ << " atomicCounterIncrement(ac_numPassed);\n"
+ << "\n";
+
+ // Value write.
+ generateWriteSrc(src, interface, layout, writePtrs);
+
+ src << "}\n";
+
+ return src.str();
+}
+
+void getGLBufferLayout (const glw::Functions& gl, BufferLayout& layout, deUint32 program)
+{
+ int numActiveBufferVars = 0;
+ int numActiveBlocks = 0;
+
+ gl.getProgramInterfaceiv(program, GL_BUFFER_VARIABLE, GL_ACTIVE_RESOURCES, &numActiveBufferVars);
+ gl.getProgramInterfaceiv(program, GL_SHADER_STORAGE_BLOCK, GL_ACTIVE_RESOURCES, &numActiveBlocks);
+
+ GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to get number of buffer variables and buffer blocks");
+
+ // Block entries.
+ layout.blocks.resize(numActiveBlocks);
+ for (int blockNdx = 0; blockNdx < numActiveBlocks; blockNdx++)
+ {
+ BlockLayoutEntry& entry = layout.blocks[blockNdx];
+ const deUint32 queryParams[] = { GL_BUFFER_DATA_SIZE, GL_NUM_ACTIVE_VARIABLES, GL_NAME_LENGTH };
+ int returnValues[] = { 0, 0, 0 };
+
+ DE_STATIC_ASSERT(DE_LENGTH_OF_ARRAY(queryParams) == DE_LENGTH_OF_ARRAY(returnValues));
+
+ {
+ int returnLength = 0;
+ gl.getProgramResourceiv(program, GL_SHADER_STORAGE_BLOCK, (deUint32)blockNdx, DE_LENGTH_OF_ARRAY(queryParams), &queryParams[0], DE_LENGTH_OF_ARRAY(returnValues), &returnLength, &returnValues[0]);
+ GLU_EXPECT_NO_ERROR(gl.getError(), "glGetProgramResourceiv(GL_SHADER_STORAGE_BLOCK) failed");
+
+ if (returnLength != DE_LENGTH_OF_ARRAY(returnValues))
+ throw tcu::TestError("glGetProgramResourceiv(GL_SHADER_STORAGE_BLOCK) returned wrong number of values");
+ }
+
+ entry.size = returnValues[0];
+
+ // Query active variables
+ if (returnValues[1] > 0)
+ {
+ const int numBlockVars = returnValues[1];
+ const deUint32 queryArg = GL_ACTIVE_VARIABLES;
+ int retLength = 0;
+
+ entry.activeVarIndices.resize(numBlockVars);
+ gl.getProgramResourceiv(program, GL_SHADER_STORAGE_BLOCK, (deUint32)blockNdx, 1, &queryArg, numBlockVars, &retLength, &entry.activeVarIndices[0]);
+ GLU_EXPECT_NO_ERROR(gl.getError(), "glGetProgramResourceiv(GL_SHADER_STORAGE_BLOCK, GL_ACTIVE_VARIABLES) failed");
+
+ if (retLength != numBlockVars)
+ throw tcu::TestError("glGetProgramResourceiv(GL_SHADER_STORAGE_BLOCK, GL_ACTIVE_VARIABLES) returned wrong number of values");
+ }
+
+ // Query name
+ if (returnValues[2] > 0)
+ {
+ const int nameLen = returnValues[2];
+ int retLen = 0;
+ vector<char> name (nameLen);
+
+ gl.getProgramResourceName(program, GL_SHADER_STORAGE_BLOCK, (deUint32)blockNdx, (glw::GLsizei)name.size(), &retLen, &name[0]);
+ GLU_EXPECT_NO_ERROR(gl.getError(), "glGetProgramResourceName(GL_SHADER_STORAGE_BLOCK) failed");
+
+ if (retLen+1 != nameLen)
+ throw tcu::TestError("glGetProgramResourceName(GL_SHADER_STORAGE_BLOCK) returned invalid name. Number of characters written is inconsistent with NAME_LENGTH property.");
+ if (name[nameLen-1] != 0)
+ throw tcu::TestError("glGetProgramResourceName(GL_SHADER_STORAGE_BLOCK) returned invalid name. Expected null terminator at index " + de::toString(nameLen-1));
+
+ entry.name = &name[0];
+ }
+ else
+ throw tcu::TestError("glGetProgramResourceiv() returned invalid GL_NAME_LENGTH");
+ }
+
+ layout.bufferVars.resize(numActiveBufferVars);
+ for (int bufVarNdx = 0; bufVarNdx < numActiveBufferVars; bufVarNdx++)
+ {
+ BufferVarLayoutEntry& entry = layout.bufferVars[bufVarNdx];
+ const deUint32 queryParams[] =
+ {
+ GL_BLOCK_INDEX, // 0
+ GL_TYPE, // 1
+ GL_OFFSET, // 2
+ GL_ARRAY_SIZE, // 3
+ GL_ARRAY_STRIDE, // 4
+ GL_MATRIX_STRIDE, // 5
+ GL_TOP_LEVEL_ARRAY_SIZE, // 6
+ GL_TOP_LEVEL_ARRAY_STRIDE, // 7
+ GL_IS_ROW_MAJOR, // 8
+ GL_NAME_LENGTH // 9
+ };
+ int returnValues[DE_LENGTH_OF_ARRAY(queryParams)];
+
+ DE_STATIC_ASSERT(DE_LENGTH_OF_ARRAY(queryParams) == DE_LENGTH_OF_ARRAY(returnValues));
+
+ {
+ int returnLength = 0;
+ gl.getProgramResourceiv(program, GL_BUFFER_VARIABLE, (deUint32)bufVarNdx, DE_LENGTH_OF_ARRAY(queryParams), &queryParams[0], DE_LENGTH_OF_ARRAY(returnValues), &returnLength, &returnValues[0]);
+ GLU_EXPECT_NO_ERROR(gl.getError(), "glGetProgramResourceiv(GL_BUFFER_VARIABLE) failed");
+
+ if (returnLength != DE_LENGTH_OF_ARRAY(returnValues))
+ throw tcu::TestError("glGetProgramResourceiv(GL_BUFFER_VARIABLE) returned wrong number of values");
+ }
+
+ // Map values
+ entry.blockNdx = returnValues[0];
+ entry.type = glu::getDataTypeFromGLType(returnValues[1]);
+ entry.offset = returnValues[2];
+ entry.arraySize = returnValues[3];
+ entry.arrayStride = returnValues[4];
+ entry.matrixStride = returnValues[5];
+ entry.topLevelArraySize = returnValues[6];
+ entry.topLevelArrayStride = returnValues[7];
+ entry.isRowMajor = returnValues[8] != 0;
+
+ // Query name
+ DE_ASSERT(queryParams[9] == GL_NAME_LENGTH);
+ if (returnValues[9] > 0)
+ {
+ const int nameLen = returnValues[9];
+ int retLen = 0;
+ vector<char> name (nameLen);
+
+ gl.getProgramResourceName(program, GL_BUFFER_VARIABLE, (deUint32)bufVarNdx, (glw::GLsizei)name.size(), &retLen, &name[0]);
+ GLU_EXPECT_NO_ERROR(gl.getError(), "glGetProgramResourceName(GL_BUFFER_VARIABLE) failed");
+
+ if (retLen+1 != nameLen)
+ throw tcu::TestError("glGetProgramResourceName(GL_BUFFER_VARIABLE) returned invalid name. Number of characters written is inconsistent with NAME_LENGTH property.");
+ if (name[nameLen-1] != 0)
+ throw tcu::TestError("glGetProgramResourceName(GL_BUFFER_VARIABLE) returned invalid name. Expected null terminator at index " + de::toString(nameLen-1));
+
+ entry.name = &name[0];
+ }
+ else
+ throw tcu::TestError("glGetProgramResourceiv() returned invalid GL_NAME_LENGTH");
+ }
+}
+
+void copyBufferVarData (const BufferVarLayoutEntry& dstEntry, const BlockDataPtr& dstBlockPtr, const BufferVarLayoutEntry& srcEntry, const BlockDataPtr& srcBlockPtr)
+{
+ DE_ASSERT(dstEntry.arraySize <= srcEntry.arraySize);
+ DE_ASSERT(dstEntry.topLevelArraySize <= srcEntry.topLevelArraySize);
+ DE_ASSERT(dstBlockPtr.lastUnsizedArraySize <= srcBlockPtr.lastUnsizedArraySize);
+ DE_ASSERT(dstEntry.type == srcEntry.type);
+
+ deUint8* const dstBasePtr = (deUint8*)dstBlockPtr.ptr + dstEntry.offset;
+ const deUint8* const srcBasePtr = (const deUint8*)srcBlockPtr.ptr + srcEntry.offset;
+ const int scalarSize = glu::getDataTypeScalarSize(dstEntry.type);
+ const bool isMatrix = glu::isDataTypeMatrix(dstEntry.type);
+ const int compSize = sizeof(deUint32);
+ const int dstArraySize = dstEntry.arraySize == 0 ? dstBlockPtr.lastUnsizedArraySize : dstEntry.arraySize;
+ const int dstArrayStride = dstEntry.arrayStride;
+ const int dstTopLevelSize = dstEntry.topLevelArraySize == 0 ? dstBlockPtr.lastUnsizedArraySize : dstEntry.topLevelArraySize;
+ const int dstTopLevelStride = dstEntry.topLevelArrayStride;
+ const int srcArraySize = srcEntry.arraySize == 0 ? srcBlockPtr.lastUnsizedArraySize : srcEntry.arraySize;
+ const int srcArrayStride = srcEntry.arrayStride;
+ const int srcTopLevelSize = srcEntry.topLevelArraySize == 0 ? srcBlockPtr.lastUnsizedArraySize : srcEntry.topLevelArraySize;
+ const int srcTopLevelStride = srcEntry.topLevelArrayStride;
+
+ DE_ASSERT(dstArraySize <= srcArraySize && dstTopLevelSize <= srcTopLevelSize);
+ DE_UNREF(srcArraySize && srcTopLevelSize);
+
+ for (int topElemNdx = 0; topElemNdx < dstTopLevelSize; topElemNdx++)
+ {
+ deUint8* const dstTopPtr = dstBasePtr + topElemNdx*dstTopLevelStride;
+ const deUint8* const srcTopPtr = srcBasePtr + topElemNdx*srcTopLevelStride;
+
+ for (int elementNdx = 0; elementNdx < dstArraySize; elementNdx++)
+ {
+ deUint8* const dstElemPtr = dstTopPtr + elementNdx*dstArrayStride;
+ const deUint8* const srcElemPtr = srcTopPtr + elementNdx*srcArrayStride;
+
+ if (isMatrix)
+ {
+ const int numRows = glu::getDataTypeMatrixNumRows(dstEntry.type);
+ const int numCols = glu::getDataTypeMatrixNumColumns(dstEntry.type);
+
+ for (int colNdx = 0; colNdx < numCols; colNdx++)
+ {
+ for (int rowNdx = 0; rowNdx < numRows; rowNdx++)
+ {
+ deUint8* dstCompPtr = dstElemPtr + (dstEntry.isRowMajor ? rowNdx*dstEntry.matrixStride + colNdx*compSize
+ : colNdx*dstEntry.matrixStride + rowNdx*compSize);
+ const deUint8* srcCompPtr = srcElemPtr + (srcEntry.isRowMajor ? rowNdx*srcEntry.matrixStride + colNdx*compSize
+ : colNdx*srcEntry.matrixStride + rowNdx*compSize);
+
+ DE_ASSERT((deIntptr)(srcCompPtr + compSize) - (deIntptr)srcBlockPtr.ptr <= (deIntptr)srcBlockPtr.size);
+ DE_ASSERT((deIntptr)(dstCompPtr + compSize) - (deIntptr)dstBlockPtr.ptr <= (deIntptr)dstBlockPtr.size);
+ deMemcpy(dstCompPtr, srcCompPtr, compSize);
+ }
+ }
+ }
+ else
+ {
+ DE_ASSERT((deIntptr)(srcElemPtr + scalarSize*compSize) - (deIntptr)srcBlockPtr.ptr <= (deIntptr)srcBlockPtr.size);
+ DE_ASSERT((deIntptr)(dstElemPtr + scalarSize*compSize) - (deIntptr)dstBlockPtr.ptr <= (deIntptr)dstBlockPtr.size);
+ deMemcpy(dstElemPtr, srcElemPtr, scalarSize*compSize);
+ }
+ }
+ }
+}
+
+void copyData (const BufferLayout& dstLayout, const vector<BlockDataPtr>& dstBlockPointers, const BufferLayout& srcLayout, const vector<BlockDataPtr>& srcBlockPointers)
+{
+ // \note Src layout is used as reference in case of activeVarIndices happens to be incorrect in dstLayout blocks.
+ int numBlocks = (int)srcLayout.blocks.size();
+
+ for (int srcBlockNdx = 0; srcBlockNdx < numBlocks; srcBlockNdx++)
+ {
+ const BlockLayoutEntry& srcBlock = srcLayout.blocks[srcBlockNdx];
+ const BlockDataPtr& srcBlockPtr = srcBlockPointers[srcBlockNdx];
+ int dstBlockNdx = dstLayout.getBlockIndex(srcBlock.name.c_str());
+
+ if (dstBlockNdx >= 0)
+ {
+ DE_ASSERT(de::inBounds(dstBlockNdx, 0, (int)dstBlockPointers.size()));
+
+ const BlockDataPtr& dstBlockPtr = dstBlockPointers[dstBlockNdx];
+
+ for (vector<int>::const_iterator srcVarNdxIter = srcBlock.activeVarIndices.begin(); srcVarNdxIter != srcBlock.activeVarIndices.end(); srcVarNdxIter++)
+ {
+ const BufferVarLayoutEntry& srcEntry = srcLayout.bufferVars[*srcVarNdxIter];
+ int dstVarNdx = dstLayout.getVariableIndex(srcEntry.name.c_str());
+
+ if (dstVarNdx >= 0)
+ copyBufferVarData(dstLayout.bufferVars[dstVarNdx], dstBlockPtr, srcEntry, srcBlockPtr);
+ }
+ }
+ }
+}
+
+void copyNonWrittenData (
+ const BufferLayout& layout,
+ const BufferBlock& block,
+ int instanceNdx,
+ const BlockDataPtr& srcBlockPtr,
+ const BlockDataPtr& dstBlockPtr,
+ const BufferVar& bufVar,
+ const glu::SubTypeAccess& accessPath)
+{
+ const VarType curType = accessPath.getType();
+
+ if (curType.isArrayType())
+ {
+ const int arraySize = curType.getArraySize() == VarType::UNSIZED_ARRAY ? block.getLastUnsizedArraySize(instanceNdx) : curType.getArraySize();
+
+ for (int elemNdx = 0; elemNdx < arraySize; elemNdx++)
+ copyNonWrittenData(layout, block, instanceNdx, srcBlockPtr, dstBlockPtr, bufVar, accessPath.element(elemNdx));
+ }
+ else if (curType.isStructType())
+ {
+ const int numMembers = curType.getStructPtr()->getNumMembers();
+
+ for (int memberNdx = 0; memberNdx < numMembers; memberNdx++)
+ copyNonWrittenData(layout, block, instanceNdx, srcBlockPtr, dstBlockPtr, bufVar, accessPath.member(memberNdx));
+ }
+ else
+ {
+ DE_ASSERT(curType.isBasicType());
+
+ const string apiName = getAPIName(block, bufVar, accessPath.getPath());
+ const int varNdx = layout.getVariableIndex(apiName);
+
+ DE_ASSERT(varNdx >= 0);
+ {
+ const BufferVarLayoutEntry& varLayout = layout.bufferVars[varNdx];
+ copyBufferVarData(varLayout, dstBlockPtr, varLayout, srcBlockPtr);
+ }
+ }
+}
+
+void copyNonWrittenData (const ShaderInterface& interface, const BufferLayout& layout, const vector<BlockDataPtr>& srcPtrs, const vector<BlockDataPtr>& dstPtrs)
+{
+ for (int declNdx = 0; declNdx < interface.getNumBlocks(); declNdx++)
+ {
+ const BufferBlock& block = interface.getBlock(declNdx);
+ const bool isArray = block.isArray();
+ const int numInstances = isArray ? block.getArraySize() : 1;
+
+ DE_ASSERT(!isArray || block.getInstanceName());
+
+ for (int instanceNdx = 0; instanceNdx < numInstances; instanceNdx++)
+ {
+ const string instanceName = block.getBlockName() + (isArray ? "[" + de::toString(instanceNdx) + "]" : string(""));
+ const int blockNdx = layout.getBlockIndex(instanceName);
+ const BlockDataPtr& srcBlockPtr = srcPtrs[blockNdx];
+ const BlockDataPtr& dstBlockPtr = dstPtrs[blockNdx];
+
+ for (BufferBlock::const_iterator varIter = block.begin(); varIter != block.end(); varIter++)
+ {
+ const BufferVar& bufVar = *varIter;
+
+ if (bufVar.getFlags() & ACCESS_WRITE)
+ continue;
+
+ copyNonWrittenData(layout, block, instanceNdx, srcBlockPtr, dstBlockPtr, bufVar, glu::SubTypeAccess(bufVar.getType()));
+ }
+ }
+ }
+}
+
+bool compareComponents (glu::DataType scalarType, const void* ref, const void* res, int numComps)
+{
+ if (scalarType == glu::TYPE_FLOAT)
+ {
+ const float threshold = 0.05f; // Same as used in shaders - should be fine for values being used.
+
+ for (int ndx = 0; ndx < numComps; ndx++)
+ {
+ const float refVal = *((const float*)ref + ndx);
+ const float resVal = *((const float*)res + ndx);
+
+ if (deFloatAbs(resVal - refVal) >= threshold)
+ return false;
+ }
+ }
+ else if (scalarType == glu::TYPE_BOOL)
+ {
+ for (int ndx = 0; ndx < numComps; ndx++)
+ {
+ const deUint32 refVal = *((const deUint32*)ref + ndx);
+ const deUint32 resVal = *((const deUint32*)res + ndx);
+
+ if ((refVal != 0) != (resVal != 0))
+ return false;
+ }
+ }
+ else
+ {
+ DE_ASSERT(scalarType == glu::TYPE_INT || scalarType == glu::TYPE_UINT);
+
+ for (int ndx = 0; ndx < numComps; ndx++)
+ {
+ const deUint32 refVal = *((const deUint32*)ref + ndx);
+ const deUint32 resVal = *((const deUint32*)res + ndx);
+
+ if (refVal != resVal)
+ return false;
+ }
+ }
+
+ return true;
+}
+
+bool compareBufferVarData (tcu::TestLog& log, const BufferVarLayoutEntry& refEntry, const BlockDataPtr& refBlockPtr, const BufferVarLayoutEntry& resEntry, const BlockDataPtr& resBlockPtr)
+{
+ DE_ASSERT(resEntry.arraySize <= refEntry.arraySize);
+ DE_ASSERT(resEntry.topLevelArraySize <= refEntry.topLevelArraySize);
+ DE_ASSERT(resBlockPtr.lastUnsizedArraySize <= refBlockPtr.lastUnsizedArraySize);
+ DE_ASSERT(resEntry.type == refEntry.type);
+
+ deUint8* const resBasePtr = (deUint8*)resBlockPtr.ptr + resEntry.offset;
+ const deUint8* const refBasePtr = (const deUint8*)refBlockPtr.ptr + refEntry.offset;
+ const glu::DataType scalarType = glu::getDataTypeScalarType(refEntry.type);
+ const int scalarSize = glu::getDataTypeScalarSize(resEntry.type);
+ const bool isMatrix = glu::isDataTypeMatrix(resEntry.type);
+ const int compSize = sizeof(deUint32);
+ const int maxPrints = 3;
+ int numFailed = 0;
+
+ const int resArraySize = resEntry.arraySize == 0 ? resBlockPtr.lastUnsizedArraySize : resEntry.arraySize;
+ const int resArrayStride = resEntry.arrayStride;
+ const int resTopLevelSize = resEntry.topLevelArraySize == 0 ? resBlockPtr.lastUnsizedArraySize : resEntry.topLevelArraySize;
+ const int resTopLevelStride = resEntry.topLevelArrayStride;
+ const int refArraySize = refEntry.arraySize == 0 ? refBlockPtr.lastUnsizedArraySize : refEntry.arraySize;
+ const int refArrayStride = refEntry.arrayStride;
+ const int refTopLevelSize = refEntry.topLevelArraySize == 0 ? refBlockPtr.lastUnsizedArraySize : refEntry.topLevelArraySize;
+ const int refTopLevelStride = refEntry.topLevelArrayStride;
+
+ DE_ASSERT(resArraySize <= refArraySize && resTopLevelSize <= refTopLevelSize);
+ DE_UNREF(refArraySize && refTopLevelSize);
+
+ for (int topElemNdx = 0; topElemNdx < resTopLevelSize; topElemNdx++)
+ {
+ deUint8* const resTopPtr = resBasePtr + topElemNdx*resTopLevelStride;
+ const deUint8* const refTopPtr = refBasePtr + topElemNdx*refTopLevelStride;
+
+ for (int elementNdx = 0; elementNdx < resArraySize; elementNdx++)
+ {
+ deUint8* const resElemPtr = resTopPtr + elementNdx*resArrayStride;
+ const deUint8* const refElemPtr = refTopPtr + elementNdx*refArrayStride;
+
+ if (isMatrix)
+ {
+ const int numRows = glu::getDataTypeMatrixNumRows(resEntry.type);
+ const int numCols = glu::getDataTypeMatrixNumColumns(resEntry.type);
+ bool isOk = true;
+
+ for (int colNdx = 0; colNdx < numCols; colNdx++)
+ {
+ for (int rowNdx = 0; rowNdx < numRows; rowNdx++)
+ {
+ deUint8* resCompPtr = resElemPtr + (resEntry.isRowMajor ? rowNdx*resEntry.matrixStride + colNdx*compSize
+ : colNdx*resEntry.matrixStride + rowNdx*compSize);
+ const deUint8* refCompPtr = refElemPtr + (refEntry.isRowMajor ? rowNdx*refEntry.matrixStride + colNdx*compSize
+ : colNdx*refEntry.matrixStride + rowNdx*compSize);
+
+ DE_ASSERT((deIntptr)(refCompPtr + compSize) - (deIntptr)refBlockPtr.ptr <= (deIntptr)refBlockPtr.size);
+ DE_ASSERT((deIntptr)(resCompPtr + compSize) - (deIntptr)resBlockPtr.ptr <= (deIntptr)resBlockPtr.size);
+
+ isOk = isOk && compareComponents(scalarType, resCompPtr, refCompPtr, 1);
+ }
+ }
+
+ if (!isOk)
+ {
+ numFailed += 1;
+ if (numFailed < maxPrints)
+ {
+ std::ostringstream expected, got;
+ generateImmMatrixSrc(expected, refEntry.type, refEntry.matrixStride, refEntry.isRowMajor, refElemPtr);
+ generateImmMatrixSrc(got, resEntry.type, resEntry.matrixStride, resEntry.isRowMajor, resElemPtr);
+ log << TestLog::Message << "ERROR: mismatch in " << refEntry.name << ", top-level ndx " << topElemNdx << ", bottom-level ndx " << elementNdx << ":\n"
+ << " expected " << expected.str() << "\n"
+ << " got " << got.str()
+ << TestLog::EndMessage;
+ }
+ }
+ }
+ else
+ {
+ DE_ASSERT((deIntptr)(refElemPtr + scalarSize*compSize) - (deIntptr)refBlockPtr.ptr <= (deIntptr)refBlockPtr.size);
+ DE_ASSERT((deIntptr)(resElemPtr + scalarSize*compSize) - (deIntptr)resBlockPtr.ptr <= (deIntptr)resBlockPtr.size);
+
+ const bool isOk = compareComponents(scalarType, resElemPtr, refElemPtr, scalarSize);
+
+ if (!isOk)
+ {
+ numFailed += 1;
+ if (numFailed < maxPrints)
+ {
+ std::ostringstream expected, got;
+ generateImmScalarVectorSrc(expected, refEntry.type, refElemPtr);
+ generateImmScalarVectorSrc(got, resEntry.type, resElemPtr);
+ log << TestLog::Message << "ERROR: mismatch in " << refEntry.name << ", top-level ndx " << topElemNdx << ", bottom-level ndx " << elementNdx << ":\n"
+ << " expected " << expected.str() << "\n"
+ << " got " << got.str()
+ << TestLog::EndMessage;
+ }
+ }
+ }
+ }
+ }
+
+ if (numFailed >= maxPrints)
+ log << TestLog::Message << "... (" << numFailed << " failures for " << refEntry.name << " in total)" << TestLog::EndMessage;
+
+ return numFailed == 0;
+}
+
+bool compareData (tcu::TestLog& log, const BufferLayout& refLayout, const vector<BlockDataPtr>& refBlockPointers, const BufferLayout& resLayout, const vector<BlockDataPtr>& resBlockPointers)
+{
+ const int numBlocks = (int)refLayout.blocks.size();
+ bool allOk = true;
+
+ for (int refBlockNdx = 0; refBlockNdx < numBlocks; refBlockNdx++)
+ {
+ const BlockLayoutEntry& refBlock = refLayout.blocks[refBlockNdx];
+ const BlockDataPtr& refBlockPtr = refBlockPointers[refBlockNdx];
+ int resBlockNdx = resLayout.getBlockIndex(refBlock.name.c_str());
+
+ if (resBlockNdx >= 0)
+ {
+ DE_ASSERT(de::inBounds(resBlockNdx, 0, (int)resBlockPointers.size()));
+
+ const BlockDataPtr& resBlockPtr = resBlockPointers[resBlockNdx];
+
+ for (vector<int>::const_iterator refVarNdxIter = refBlock.activeVarIndices.begin(); refVarNdxIter != refBlock.activeVarIndices.end(); refVarNdxIter++)
+ {
+ const BufferVarLayoutEntry& refEntry = refLayout.bufferVars[*refVarNdxIter];
+ int resVarNdx = resLayout.getVariableIndex(refEntry.name.c_str());
+
+ if (resVarNdx >= 0)
+ {
+ const BufferVarLayoutEntry& resEntry = resLayout.bufferVars[resVarNdx];
+ allOk = compareBufferVarData(log, refEntry, refBlockPtr, resEntry, resBlockPtr) && allOk;
+ }
+ }
+ }
+ }
+
+ return allOk;
+}
+
+string getBlockAPIName (const BufferBlock& block, int instanceNdx)
+{
+ DE_ASSERT(block.isArray() || instanceNdx == 0);
+ return block.getBlockName() + (block.isArray() ? ("[" + de::toString(instanceNdx) + "]") : string());
+}
+
+// \note Some implementations don't report block members in the order they are declared.
+// For checking whether size has to be adjusted by some top-level array actual size,
+// we only need to know a) whether there is a unsized top-level array, and b)
+// what is stride of that array.
+
+static bool hasUnsizedArray (const BufferLayout& layout, const BlockLayoutEntry& entry)
+{
+ for (vector<int>::const_iterator varNdx = entry.activeVarIndices.begin(); varNdx != entry.activeVarIndices.end(); ++varNdx)
+ {
+ if (isUnsizedArray(layout.bufferVars[*varNdx]))
+ return true;
+ }
+
+ return false;
+}
+
+static int getUnsizedArrayStride (const BufferLayout& layout, const BlockLayoutEntry& entry)
+{
+ for (vector<int>::const_iterator varNdx = entry.activeVarIndices.begin(); varNdx != entry.activeVarIndices.end(); ++varNdx)
+ {
+ const BufferVarLayoutEntry& varEntry = layout.bufferVars[*varNdx];
+
+ if (varEntry.arraySize == 0)
+ return varEntry.arrayStride;
+ else if (varEntry.topLevelArraySize == 0)
+ return varEntry.topLevelArrayStride;
+ }
+
+ return 0;
+}
+
+vector<int> computeBufferSizes (const ShaderInterface& interface, const BufferLayout& layout)
+{
+ vector<int> sizes(layout.blocks.size());
+
+ for (int declNdx = 0; declNdx < interface.getNumBlocks(); declNdx++)
+ {
+ const BufferBlock& block = interface.getBlock(declNdx);
+ const bool isArray = block.isArray();
+ const int numInstances = isArray ? block.getArraySize() : 1;
+
+ for (int instanceNdx = 0; instanceNdx < numInstances; instanceNdx++)
+ {
+ const string apiName = getBlockAPIName(block, instanceNdx);
+ const int blockNdx = layout.getBlockIndex(apiName);
+
+ if (blockNdx >= 0)
+ {
+ const BlockLayoutEntry& blockLayout = layout.blocks[blockNdx];
+ const int baseSize = blockLayout.size;
+ const bool isLastUnsized = hasUnsizedArray(layout, blockLayout);
+ const int lastArraySize = isLastUnsized ? block.getLastUnsizedArraySize(instanceNdx) : 0;
+ const int stride = isLastUnsized ? getUnsizedArrayStride(layout, blockLayout) : 0;
+
+ sizes[blockNdx] = baseSize + lastArraySize*stride;
+ }
+ }
+ }
+
+ return sizes;
+}
+
+BlockDataPtr getBlockDataPtr (const BufferLayout& layout, const BlockLayoutEntry& blockLayout, void* ptr, int bufferSize)
+{
+ const bool isLastUnsized = hasUnsizedArray(layout, blockLayout);
+ const int baseSize = blockLayout.size;
+
+ if (isLastUnsized)
+ {
+ const int lastArrayStride = getUnsizedArrayStride(layout, blockLayout);
+ const int lastArraySize = (bufferSize-baseSize) / (lastArrayStride ? lastArrayStride : 1);
+
+ DE_ASSERT(baseSize + lastArraySize*lastArrayStride == bufferSize);
+
+ return BlockDataPtr(ptr, bufferSize, lastArraySize);
+ }
+ else
+ return BlockDataPtr(ptr, bufferSize, 0);
+}
+
+struct RefDataStorage
+{
+ vector<deUint8> data;
+ vector<BlockDataPtr> pointers;
+};
+
+struct Buffer
+{
+ deUint32 buffer;
+ int size;
+
+ Buffer (deUint32 buffer_, int size_) : buffer(buffer_), size(size_) {}
+ Buffer (void) : buffer(0), size(0) {}
+};
+
+struct BlockLocation
+{
+ int index;
+ int offset;
+ int size;
+
+ BlockLocation (int index_, int offset_, int size_) : index(index_), offset(offset_), size(size_) {}
+ BlockLocation (void) : index(0), offset(0), size(0) {}
+};
+
+void initRefDataStorage (const ShaderInterface& interface, const BufferLayout& layout, RefDataStorage& storage)
+{
+ DE_ASSERT(storage.data.empty() && storage.pointers.empty());
+
+ const vector<int> bufferSizes = computeBufferSizes(interface, layout);
+ int totalSize = 0;
+
+ for (vector<int>::const_iterator sizeIter = bufferSizes.begin(); sizeIter != bufferSizes.end(); ++sizeIter)
+ totalSize += *sizeIter;
+
+ storage.data.resize(totalSize);
+
+ // Pointers for each block.
+ {
+ deUint8* basePtr = storage.data.empty() ? DE_NULL : &storage.data[0];
+ int curOffset = 0;
+
+ DE_ASSERT(bufferSizes.size() == layout.blocks.size());
+ DE_ASSERT(totalSize == 0 || basePtr);
+
+ storage.pointers.resize(layout.blocks.size());
+
+ for (int blockNdx = 0; blockNdx < (int)layout.blocks.size(); blockNdx++)
+ {
+ const BlockLayoutEntry& blockLayout = layout.blocks[blockNdx];
+ const int bufferSize = bufferSizes[blockNdx];
+
+ storage.pointers[blockNdx] = getBlockDataPtr(layout, blockLayout, basePtr + curOffset, bufferSize);
+
+ curOffset += bufferSize;
+ }
+ }
+}
+
+vector<BlockDataPtr> blockLocationsToPtrs (const BufferLayout& layout, const vector<BlockLocation>& blockLocations, const vector<void*>& bufPtrs)
+{
+ vector<BlockDataPtr> blockPtrs(blockLocations.size());
+
+ DE_ASSERT(layout.blocks.size() == blockLocations.size());
+
+ for (int blockNdx = 0; blockNdx < (int)layout.blocks.size(); blockNdx++)
+ {
+ const BlockLayoutEntry& blockLayout = layout.blocks[blockNdx];
+ const BlockLocation& location = blockLocations[blockNdx];
+
+ blockPtrs[blockNdx] = getBlockDataPtr(layout, blockLayout, (deUint8*)bufPtrs[location.index] + location.offset, location.size);
+ }
+
+ return blockPtrs;
+}
+
+vector<void*> mapBuffers (const glw::Functions& gl, const vector<Buffer>& buffers, deUint32 access)
+{
+ vector<void*> mapPtrs(buffers.size(), DE_NULL);
+
+ try
+ {
+ for (int ndx = 0; ndx < (int)buffers.size(); ndx++)
+ {
+ if (buffers[ndx].size > 0)
+ {
+ gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, buffers[ndx].buffer);
+ mapPtrs[ndx] = gl.mapBufferRange(GL_SHADER_STORAGE_BUFFER, 0, buffers[ndx].size, access);
+ GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to map buffer");
+ TCU_CHECK(mapPtrs[ndx]);
+ }
+ else
+ mapPtrs[ndx] = DE_NULL;
+ }
+
+ return mapPtrs;
+ }
+ catch (...)
+ {
+ for (int ndx = 0; ndx < (int)buffers.size(); ndx++)
+ {
+ if (mapPtrs[ndx])
+ {
+ gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, buffers[ndx].buffer);
+ gl.unmapBuffer(GL_SHADER_STORAGE_BUFFER);
+ }
+ }
+
+ throw;
+ }
+}
+
+void unmapBuffers (const glw::Functions& gl, const vector<Buffer>& buffers)
+{
+ for (int ndx = 0; ndx < (int)buffers.size(); ndx++)
+ {
+ if (buffers[ndx].size > 0)
+ {
+ gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, buffers[ndx].buffer);
+ gl.unmapBuffer(GL_SHADER_STORAGE_BUFFER);
+ }
+ }
+
+ GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unmap buffer");
+}
+
+} // anonymous (utilities)
+
+class BufferManager
+{
+public:
+ BufferManager (const glu::RenderContext& renderCtx);
+ ~BufferManager (void);
+
+ deUint32 allocBuffer (void);
+
+private:
+ BufferManager (const BufferManager& other);
+ BufferManager& operator= (const BufferManager& other);
+
+ const glu::RenderContext& m_renderCtx;
+ std::vector<deUint32> m_buffers;
+};
+
+BufferManager::BufferManager (const glu::RenderContext& renderCtx)
+ : m_renderCtx(renderCtx)
+{
+}
+
+BufferManager::~BufferManager (void)
+{
+ if (!m_buffers.empty())
+ m_renderCtx.getFunctions().deleteBuffers((glw::GLsizei)m_buffers.size(), &m_buffers[0]);
+}
+
+deUint32 BufferManager::allocBuffer (void)
+{
+ deUint32 buf = 0;
+
+ m_buffers.reserve(m_buffers.size()+1);
+ m_renderCtx.getFunctions().genBuffers(1, &buf);
+ GLU_EXPECT_NO_ERROR(m_renderCtx.getFunctions().getError(), "Failed to allocate buffer");
+ m_buffers.push_back(buf);
+
+ return buf;
+}
+
+} // bb
+
+using namespace bb;
+
+// SSBOLayoutCase.
+
+SSBOLayoutCase::SSBOLayoutCase (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const char* name, const char* description, glu::GLSLVersion glslVersion, BufferMode bufferMode)
+ : TestCase (testCtx, name, description)
+ , m_renderCtx (renderCtx)
+ , m_glslVersion (glslVersion)
+ , m_bufferMode (bufferMode)
+{
+ DE_ASSERT(glslVersion == glu::GLSL_VERSION_310_ES || glslVersion == glu::GLSL_VERSION_430);
+}
+
+SSBOLayoutCase::~SSBOLayoutCase (void)
+{
+}
+
+SSBOLayoutCase::IterateResult SSBOLayoutCase::iterate (void)
+{
+ TestLog& log = m_testCtx.getLog();
+ const glw::Functions& gl = m_renderCtx.getFunctions();
+
+ BufferLayout refLayout; // std140 / std430 layout.
+ BufferLayout glLayout; // Layout reported by GL.
+ RefDataStorage initialData; // Initial data stored in buffer.
+ RefDataStorage writeData; // Data written by compute shader.
+
+ BufferManager bufferManager (m_renderCtx);
+ vector<Buffer> buffers; // Buffers allocated for storage
+ vector<BlockLocation> blockLocations; // Block locations in storage (index, offset)
+
+ // Initialize result to pass.
+ m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
+
+ computeReferenceLayout (refLayout, m_interface);
+ initRefDataStorage (m_interface, refLayout, initialData);
+ initRefDataStorage (m_interface, refLayout, writeData);
+ generateValues (refLayout, initialData.pointers, deStringHash(getName()) ^ 0xad2f7214);
+ generateValues (refLayout, writeData.pointers, deStringHash(getName()) ^ 0x25ca4e7);
+ copyNonWrittenData (m_interface, refLayout, initialData.pointers, writeData.pointers);
+
+ const glu::ShaderProgram program(m_renderCtx, glu::ProgramSources() << glu::ComputeSource(generateComputeShader(m_glslVersion, m_interface, refLayout, initialData.pointers, writeData.pointers)));
+ log << program;
+
+ if (!program.isOk())
+ {
+ // Compile failed.
+ m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Compile failed");
+ return STOP;
+ }
+
+ // Query layout from GL.
+ getGLBufferLayout(gl, glLayout, program.getProgram());
+
+ // Print layout to log.
+ {
+ tcu::ScopedLogSection section(log, "ActiveBufferBlocks", "Active Buffer Blocks");
+ for (int blockNdx = 0; blockNdx < (int)glLayout.blocks.size(); blockNdx++)
+ log << TestLog::Message << blockNdx << ": " << glLayout.blocks[blockNdx] << TestLog::EndMessage;
+ }
+
+ {
+ tcu::ScopedLogSection section(log, "ActiveBufferVars", "Active Buffer Variables");
+ for (int varNdx = 0; varNdx < (int)glLayout.bufferVars.size(); varNdx++)
+ log << TestLog::Message << varNdx << ": " << glLayout.bufferVars[varNdx] << TestLog::EndMessage;
+ }
+
+ // Verify layouts.
+ {
+ if (!checkLayoutIndices(glLayout) || !checkLayoutBounds(glLayout) || !compareTypes(refLayout, glLayout))
+ {
+ m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Invalid layout");
+ return STOP; // It is not safe to use the given layout.
+ }
+
+ if (!compareStdBlocks(refLayout, glLayout))
+ m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Invalid std140 or std430 layout");
+
+ if (!compareSharedBlocks(refLayout, glLayout))
+ m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Invalid shared layout");
+
+ if (!checkIndexQueries(program.getProgram(), glLayout))
+ m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Inconsintent block index query results");
+ }
+
+ // Allocate GL buffers & compute placement.
+ {
+ const int numBlocks = (int)glLayout.blocks.size();
+ const vector<int> bufferSizes = computeBufferSizes(m_interface, glLayout);
+
+ DE_ASSERT(bufferSizes.size() == glLayout.blocks.size());
+
+ blockLocations.resize(numBlocks);
+
+ if (m_bufferMode == BUFFERMODE_PER_BLOCK)
+ {
+ buffers.resize(numBlocks);
+
+ for (int blockNdx = 0; blockNdx < numBlocks; blockNdx++)
+ {
+ const int bufferSize = bufferSizes[blockNdx];
+
+ buffers[blockNdx].size = bufferSize;
+ blockLocations[blockNdx] = BlockLocation(blockNdx, 0, bufferSize);
+ }
+ }
+ else
+ {
+ DE_ASSERT(m_bufferMode == BUFFERMODE_SINGLE);
+
+ int bindingAlignment = 0;
+ int totalSize = 0;
+
+ gl.getIntegerv(GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT, &bindingAlignment);
+
+ {
+ int curOffset = 0;
+ DE_ASSERT(bufferSizes.size() == glLayout.blocks.size());
+ for (int blockNdx = 0; blockNdx < numBlocks; blockNdx++)
+ {
+ const int bufferSize = bufferSizes[blockNdx];
+
+ if (bindingAlignment > 0)
+ curOffset = deRoundUp32(curOffset, bindingAlignment);
+
+ blockLocations[blockNdx] = BlockLocation(0, curOffset, bufferSize);
+ curOffset += bufferSize;
+ }
+ totalSize = curOffset;
+ }
+
+ buffers.resize(1);
+ buffers[0].size = totalSize;
+ }
+
+ for (int bufNdx = 0; bufNdx < (int)buffers.size(); bufNdx++)
+ {
+ const int bufferSize = buffers[bufNdx].size;
+ const deUint32 buffer = bufferManager.allocBuffer();
+
+ gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, buffer);
+ gl.bufferData(GL_SHADER_STORAGE_BUFFER, bufferSize, DE_NULL, GL_STATIC_DRAW);
+ GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to allocate buffer");
+
+ buffers[bufNdx].buffer = buffer;
+ }
+ }
+
+ {
+ const vector<void*> mapPtrs = mapBuffers(gl, buffers, GL_MAP_WRITE_BIT);
+ const vector<BlockDataPtr> mappedBlockPtrs = blockLocationsToPtrs(glLayout, blockLocations, mapPtrs);
+
+ copyData(glLayout, mappedBlockPtrs, refLayout, initialData.pointers);
+
+ unmapBuffers(gl, buffers);
+ }
+
+ {
+ int bindingPoint = 0;
+
+ for (int blockDeclNdx = 0; blockDeclNdx < m_interface.getNumBlocks(); blockDeclNdx++)
+ {
+ const BufferBlock& block = m_interface.getBlock(blockDeclNdx);
+ const int numInst = block.isArray() ? block.getArraySize() : 1;
+
+ for (int instNdx = 0; instNdx < numInst; instNdx++)
+ {
+ const string instName = getBlockAPIName(block, instNdx);
+ const int layoutNdx = findBlockIndex(glLayout, instName);
+
+ if (layoutNdx >= 0)
+ {
+ const BlockLocation& blockLoc = blockLocations[layoutNdx];
+
+ if (blockLoc.size > 0)
+ gl.bindBufferRange(GL_SHADER_STORAGE_BUFFER, bindingPoint, buffers[blockLoc.index].buffer, blockLoc.offset, blockLoc.size);
+ }
+
+ bindingPoint += 1;
+ }
+ }
+ }
+
+ GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind buffers");
+
+ {
+ const bool execOk = execute(program.getProgram());
+
+ if (execOk)
+ {
+ const vector<void*> mapPtrs = mapBuffers(gl, buffers, GL_MAP_READ_BIT);
+ const vector<BlockDataPtr> mappedBlockPtrs = blockLocationsToPtrs(glLayout, blockLocations, mapPtrs);
+
+ const bool compareOk = compareData(m_testCtx.getLog(), refLayout, writeData.pointers, glLayout, mappedBlockPtrs);
+
+ unmapBuffers(gl, buffers);
+
+ if (!compareOk)
+ m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Result comparison failed");
+ }
+ else
+ m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Shader execution failed");
+ }
+
+ return STOP;
+}
+
+bool SSBOLayoutCase::compareStdBlocks (const BufferLayout& refLayout, const BufferLayout& cmpLayout) const
+{
+ TestLog& log = m_testCtx.getLog();
+ bool isOk = true;
+ int numBlocks = m_interface.getNumBlocks();
+
+ for (int blockNdx = 0; blockNdx < numBlocks; blockNdx++)
+ {
+ const BufferBlock& block = m_interface.getBlock(blockNdx);
+ bool isArray = block.isArray();
+ std::string instanceName = string(block.getBlockName()) + (isArray ? "[0]" : "");
+ int refBlockNdx = refLayout.getBlockIndex(instanceName.c_str());
+ int cmpBlockNdx = cmpLayout.getBlockIndex(instanceName.c_str());
+
+ if ((block.getFlags() & (LAYOUT_STD140|LAYOUT_STD430)) == 0)
+ continue; // Not std* layout.
+
+ DE_ASSERT(refBlockNdx >= 0);
+
+ if (cmpBlockNdx < 0)
+ {
+ // Not found.
+ log << TestLog::Message << "Error: Buffer block '" << instanceName << "' not found" << TestLog::EndMessage;
+ isOk = false;
+ continue;
+ }
+
+ const BlockLayoutEntry& refBlockLayout = refLayout.blocks[refBlockNdx];
+ const BlockLayoutEntry& cmpBlockLayout = cmpLayout.blocks[cmpBlockNdx];
+
+ // \todo [2012-01-24 pyry] Verify that activeVarIndices is correct.
+ // \todo [2012-01-24 pyry] Verify all instances.
+ if (refBlockLayout.activeVarIndices.size() != cmpBlockLayout.activeVarIndices.size())
+ {
+ log << TestLog::Message << "Error: Number of active variables differ in block '" << instanceName
+ << "' (expected " << refBlockLayout.activeVarIndices.size()
+ << ", got " << cmpBlockLayout.activeVarIndices.size()
+ << ")" << TestLog::EndMessage;
+ isOk = false;
+ }
+
+ for (vector<int>::const_iterator ndxIter = refBlockLayout.activeVarIndices.begin(); ndxIter != refBlockLayout.activeVarIndices.end(); ndxIter++)
+ {
+ const BufferVarLayoutEntry& refEntry = refLayout.bufferVars[*ndxIter];
+ int cmpEntryNdx = cmpLayout.getVariableIndex(refEntry.name.c_str());
+
+ if (cmpEntryNdx < 0)
+ {
+ log << TestLog::Message << "Error: Buffer variable '" << refEntry.name << "' not found" << TestLog::EndMessage;
+ isOk = false;
+ continue;
+ }
+
+ const BufferVarLayoutEntry& cmpEntry = cmpLayout.bufferVars[cmpEntryNdx];
+
+ if (refEntry.type != cmpEntry.type ||
+ refEntry.arraySize != cmpEntry.arraySize ||
+ refEntry.offset != cmpEntry.offset ||
+ refEntry.arrayStride != cmpEntry.arrayStride ||
+ refEntry.matrixStride != cmpEntry.matrixStride ||
+ refEntry.topLevelArraySize != cmpEntry.topLevelArraySize ||
+ refEntry.topLevelArrayStride != cmpEntry.topLevelArrayStride ||
+ refEntry.isRowMajor != cmpEntry.isRowMajor)
+ {
+ log << TestLog::Message << "Error: Layout mismatch in '" << refEntry.name << "':\n"
+ << " expected: " << refEntry << "\n"
+ << " got: " << cmpEntry
+ << TestLog::EndMessage;
+ isOk = false;
+ }
+ }
+ }
+
+ return isOk;
+}
+
+bool SSBOLayoutCase::compareSharedBlocks (const BufferLayout& refLayout, const BufferLayout& cmpLayout) const
+{
+ TestLog& log = m_testCtx.getLog();
+ bool isOk = true;
+ int numBlocks = m_interface.getNumBlocks();
+
+ for (int blockNdx = 0; blockNdx < numBlocks; blockNdx++)
+ {
+ const BufferBlock& block = m_interface.getBlock(blockNdx);
+ bool isArray = block.isArray();
+ std::string instanceName = string(block.getBlockName()) + (isArray ? "[0]" : "");
+ int refBlockNdx = refLayout.getBlockIndex(instanceName.c_str());
+ int cmpBlockNdx = cmpLayout.getBlockIndex(instanceName.c_str());
+
+ if ((block.getFlags() & LAYOUT_SHARED) == 0)
+ continue; // Not shared layout.
+
+ DE_ASSERT(refBlockNdx >= 0);
+
+ if (cmpBlockNdx < 0)
+ {
+ // Not found, should it?
+ log << TestLog::Message << "Error: Buffer block '" << instanceName << "' not found" << TestLog::EndMessage;
+ isOk = false;
+ continue;
+ }
+
+ const BlockLayoutEntry& refBlockLayout = refLayout.blocks[refBlockNdx];
+ const BlockLayoutEntry& cmpBlockLayout = cmpLayout.blocks[cmpBlockNdx];
+
+ if (refBlockLayout.activeVarIndices.size() != cmpBlockLayout.activeVarIndices.size())
+ {
+ log << TestLog::Message << "Error: Number of active variables differ in block '" << instanceName
+ << "' (expected " << refBlockLayout.activeVarIndices.size()
+ << ", got " << cmpBlockLayout.activeVarIndices.size()
+ << ")" << TestLog::EndMessage;
+ isOk = false;
+ }
+
+ for (vector<int>::const_iterator ndxIter = refBlockLayout.activeVarIndices.begin(); ndxIter != refBlockLayout.activeVarIndices.end(); ndxIter++)
+ {
+ const BufferVarLayoutEntry& refEntry = refLayout.bufferVars[*ndxIter];
+ int cmpEntryNdx = cmpLayout.getVariableIndex(refEntry.name.c_str());
+
+ if (cmpEntryNdx < 0)
+ {
+ log << TestLog::Message << "Error: Buffer variable '" << refEntry.name << "' not found" << TestLog::EndMessage;
+ isOk = false;
+ continue;
+ }
+
+ const BufferVarLayoutEntry& cmpEntry = cmpLayout.bufferVars[cmpEntryNdx];
+
+ if (refEntry.type != cmpEntry.type ||
+ refEntry.arraySize != cmpEntry.arraySize ||
+ refEntry.topLevelArraySize != cmpEntry.topLevelArraySize ||
+ refEntry.isRowMajor != cmpEntry.isRowMajor)
+ {
+ log << TestLog::Message << "Error: Type / array size mismatch in '" << refEntry.name << "':\n"
+ << " expected: " << refEntry << "\n"
+ << " got: " << cmpEntry
+ << TestLog::EndMessage;
+ isOk = false;
+ }
+ }
+ }
+
+ return isOk;
+}
+
+bool SSBOLayoutCase::compareTypes (const BufferLayout& refLayout, const BufferLayout& cmpLayout) const
+{
+ TestLog& log = m_testCtx.getLog();
+ bool isOk = true;
+ int numBlocks = m_interface.getNumBlocks();
+
+ for (int blockNdx = 0; blockNdx < numBlocks; blockNdx++)
+ {
+ const BufferBlock& block = m_interface.getBlock(blockNdx);
+ bool isArray = block.isArray();
+ int numInstances = isArray ? block.getArraySize() : 1;
+
+ for (int instanceNdx = 0; instanceNdx < numInstances; instanceNdx++)
+ {
+ std::ostringstream instanceName;
+
+ instanceName << block.getBlockName();
+ if (isArray)
+ instanceName << "[" << instanceNdx << "]";
+
+ int cmpBlockNdx = cmpLayout.getBlockIndex(instanceName.str().c_str());
+
+ if (cmpBlockNdx < 0)
+ continue;
+
+ const BlockLayoutEntry& cmpBlockLayout = cmpLayout.blocks[cmpBlockNdx];
+
+ for (vector<int>::const_iterator ndxIter = cmpBlockLayout.activeVarIndices.begin(); ndxIter != cmpBlockLayout.activeVarIndices.end(); ndxIter++)
+ {
+ const BufferVarLayoutEntry& cmpEntry = cmpLayout.bufferVars[*ndxIter];
+ int refEntryNdx = refLayout.getVariableIndex(cmpEntry.name.c_str());
+
+ if (refEntryNdx < 0)
+ {
+ log << TestLog::Message << "Error: Buffer variable '" << cmpEntry.name << "' not found in reference layout" << TestLog::EndMessage;
+ isOk = false;
+ continue;
+ }
+
+ const BufferVarLayoutEntry& refEntry = refLayout.bufferVars[refEntryNdx];
+
+ if (refEntry.type != cmpEntry.type)
+ {
+ log << TestLog::Message << "Error: Buffer variable type mismatch in '" << refEntry.name << "':\n"
+ << " expected: " << glu::getDataTypeName(refEntry.type) << "\n"
+ << " got: " << glu::getDataTypeName(cmpEntry.type)
+ << TestLog::EndMessage;
+ isOk = false;
+ }
+
+ if (refEntry.arraySize < cmpEntry.arraySize)
+ {
+ log << TestLog::Message << "Error: Invalid array size in '" << refEntry.name << "': expected <= " << refEntry.arraySize << TestLog::EndMessage;
+ isOk = false;
+ }
+
+ if (refEntry.topLevelArraySize < cmpEntry.topLevelArraySize)
+ {
+ log << TestLog::Message << "Error: Invalid top-level array size in '" << refEntry.name << "': expected <= " << refEntry.topLevelArraySize << TestLog::EndMessage;
+ isOk = false;
+ }
+ }
+ }
+ }
+
+ return isOk;
+}
+
+bool SSBOLayoutCase::checkLayoutIndices (const BufferLayout& layout) const
+{
+ TestLog& log = m_testCtx.getLog();
+ int numVars = (int)layout.bufferVars.size();
+ int numBlocks = (int)layout.blocks.size();
+ bool isOk = true;
+
+ // Check variable block indices.
+ for (int varNdx = 0; varNdx < numVars; varNdx++)
+ {
+ const BufferVarLayoutEntry& bufVar = layout.bufferVars[varNdx];
+
+ if (bufVar.blockNdx < 0 || !deInBounds32(bufVar.blockNdx, 0, numBlocks))
+ {
+ log << TestLog::Message << "Error: Invalid block index in buffer variable '" << bufVar.name << "'" << TestLog::EndMessage;
+ isOk = false;
+ }
+ }
+
+ // Check active variables.
+ for (int blockNdx = 0; blockNdx < numBlocks; blockNdx++)
+ {
+ const BlockLayoutEntry& block = layout.blocks[blockNdx];
+
+ for (vector<int>::const_iterator varNdxIter = block.activeVarIndices.begin(); varNdxIter != block.activeVarIndices.end(); varNdxIter++)
+ {
+ if (!deInBounds32(*varNdxIter, 0, numVars))
+ {
+ log << TestLog::Message << "Error: Invalid active variable index " << *varNdxIter << " in block '" << block.name << "'" << TestLog::EndMessage;
+ isOk = false;
+ }
+ }
+ }
+
+ return isOk;
+}
+
+bool SSBOLayoutCase::checkLayoutBounds (const BufferLayout& layout) const
+{
+ TestLog& log = m_testCtx.getLog();
+ const int numVars = (int)layout.bufferVars.size();
+ bool isOk = true;
+
+ for (int varNdx = 0; varNdx < numVars; varNdx++)
+ {
+ const BufferVarLayoutEntry& var = layout.bufferVars[varNdx];
+
+ if (var.blockNdx < 0 || isUnsizedArray(var))
+ continue;
+
+ const BlockLayoutEntry& block = layout.blocks[var.blockNdx];
+ const bool isMatrix = glu::isDataTypeMatrix(var.type);
+ const int numVecs = isMatrix ? (var.isRowMajor ? glu::getDataTypeMatrixNumRows(var.type) : glu::getDataTypeMatrixNumColumns(var.type)) : 1;
+ const int numComps = isMatrix ? (var.isRowMajor ? glu::getDataTypeMatrixNumColumns(var.type) : glu::getDataTypeMatrixNumRows(var.type)) : glu::getDataTypeScalarSize(var.type);
+ const int numElements = var.arraySize;
+ const int topLevelSize = var.topLevelArraySize;
+ const int arrayStride = var.arrayStride;
+ const int topLevelStride = var.topLevelArrayStride;
+ const int compSize = sizeof(deUint32);
+ const int vecSize = numComps*compSize;
+
+ int minOffset = 0;
+ int maxOffset = 0;
+
+ // For negative strides.
+ minOffset = de::min(minOffset, (numVecs-1)*var.matrixStride);
+ minOffset = de::min(minOffset, (numElements-1)*arrayStride);
+ minOffset = de::min(minOffset, (topLevelSize-1)*topLevelStride + (numElements-1)*arrayStride + (numVecs-1)*var.matrixStride);
+
+ maxOffset = de::max(maxOffset, vecSize);
+ maxOffset = de::max(maxOffset, (numVecs-1)*var.matrixStride + vecSize);
+ maxOffset = de::max(maxOffset, (numElements-1)*arrayStride + vecSize);
+ maxOffset = de::max(maxOffset, (topLevelSize-1)*topLevelStride + (numElements-1)*arrayStride + vecSize);
+ maxOffset = de::max(maxOffset, (topLevelSize-1)*topLevelStride + (numElements-1)*arrayStride + (numVecs-1)*var.matrixStride + vecSize);
+
+ if (var.offset+minOffset < 0 || var.offset+maxOffset > block.size)
+ {
+ log << TestLog::Message << "Error: Variable '" << var.name << "' out of block bounds" << TestLog::EndMessage;
+ isOk = false;
+ }
+ }
+
+ return isOk;
+}
+
+bool SSBOLayoutCase::checkIndexQueries (deUint32 program, const BufferLayout& layout) const
+{
+ tcu::TestLog& log = m_testCtx.getLog();
+ const glw::Functions& gl = m_renderCtx.getFunctions();
+ bool allOk = true;
+
+ // \note Spec mandates that buffer blocks are assigned consecutive locations from 0.
+ // BlockLayoutEntries are stored in that order in UniformLayout.
+ for (int blockNdx = 0; blockNdx < (int)layout.blocks.size(); blockNdx++)
+ {
+ const BlockLayoutEntry& block = layout.blocks[blockNdx];
+ const int queriedNdx = gl.getProgramResourceIndex(program, GL_SHADER_STORAGE_BLOCK, block.name.c_str());
+
+ if (queriedNdx != blockNdx)
+ {
+ log << TestLog::Message << "ERROR: glGetProgramResourceIndex(" << block.name << ") returned " << queriedNdx << ", expected " << blockNdx << "!" << TestLog::EndMessage;
+ allOk = false;
+ }
+
+ GLU_EXPECT_NO_ERROR(gl.getError(), "glGetUniformBlockIndex()");
+ }
+
+ return allOk;
+}
+
+bool SSBOLayoutCase::execute (deUint32 program)
+{
+ const glw::Functions& gl = m_renderCtx.getFunctions();
+ const deUint32 numPassedLoc = gl.getProgramResourceIndex(program, GL_UNIFORM, "ac_numPassed");
+ const glu::InterfaceVariableInfo acVarInfo = numPassedLoc != GL_INVALID_INDEX ? glu::getProgramInterfaceVariableInfo(gl, program, GL_UNIFORM, numPassedLoc)
+ : glu::InterfaceVariableInfo();
+ const glu::InterfaceBlockInfo acBufferInfo = acVarInfo.atomicCounterBufferIndex != GL_INVALID_INDEX ? glu::getProgramInterfaceBlockInfo(gl, program, GL_ATOMIC_COUNTER_BUFFER, acVarInfo.atomicCounterBufferIndex)
+ : glu::InterfaceBlockInfo();
+ const glu::Buffer acBuffer (m_renderCtx);
+ bool isOk = true;
+
+ if (numPassedLoc == GL_INVALID_INDEX)
+ throw tcu::TestError("No location for ac_numPassed found");
+
+ if (acBufferInfo.index == GL_INVALID_INDEX)
+ throw tcu::TestError("ac_numPassed buffer index is GL_INVALID_INDEX");
+
+ if (acBufferInfo.dataSize == 0)
+ throw tcu::TestError("ac_numPassed buffer size = 0");
+
+ // Initialize atomic counter buffer.
+ {
+ vector<deUint8> emptyData(acBufferInfo.dataSize, 0);
+
+ gl.bindBuffer(GL_ATOMIC_COUNTER_BUFFER, *acBuffer);
+ gl.bufferData(GL_ATOMIC_COUNTER_BUFFER, (glw::GLsizeiptr)emptyData.size(), &emptyData[0], GL_STATIC_READ);
+ gl.bindBufferBase(GL_ATOMIC_COUNTER_BUFFER, acBufferInfo.index, *acBuffer);
+ GLU_EXPECT_NO_ERROR(gl.getError(), "Setting up buffer for ac_numPassed failed");
+ }
+
+ gl.useProgram(program);
+ gl.dispatchCompute(1, 1, 1);
+ GLU_EXPECT_NO_ERROR(gl.getError(), "glDispatchCompute() failed");
+
+ // Read back ac_numPassed data.
+ {
+ const void* mapPtr = gl.mapBufferRange(GL_ATOMIC_COUNTER_BUFFER, 0, acBufferInfo.dataSize, GL_MAP_READ_BIT);
+ const int refCount = 1;
+ int resCount = 0;
+
+ GLU_EXPECT_NO_ERROR(gl.getError(), "glMapBufferRange(GL_ATOMIC_COUNTER_BUFFER) failed");
+ TCU_CHECK(mapPtr);
+
+ resCount = *(const int*)((const deUint8*)mapPtr + acVarInfo.offset);
+
+ gl.unmapBuffer(GL_ATOMIC_COUNTER_BUFFER);
+ GLU_EXPECT_NO_ERROR(gl.getError(), "glUnmapBuffer(GL_ATOMIC_COUNTER_BUFFER) failed");
+
+ if (refCount != resCount)
+ {
+ m_testCtx.getLog() << TestLog::Message << "ERROR: ac_numPassed = " << resCount << ", expected " << refCount << TestLog::EndMessage;
+ isOk = false;
+ }
+ }
+
+ GLU_EXPECT_NO_ERROR(gl.getError(), "Shader execution failed");
+
+ return isOk;
+}
+
+} // gles31
+} // deqp
projects / platform / upstream / VK-GL-CTS.git / commitdiff