xref: /third_party/vk-gl-cts/modules/gles2/functional/es2fVertexArrayTest.cpp

/*-------------------------------------------------------------------------
 * drawElements Quality Program OpenGL ES 2.0 Module
 * -------------------------------------------------
 *
 * Copyright 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *//*!
 * \file
 * \brief Vertex array and buffer tests
 *//*--------------------------------------------------------------------*/

#include "es2fVertexArrayTest.hpp"
#include "glsVertexArrayTests.hpp"

#include "glwEnums.hpp"

using namespace deqp::gls;

namespace deqp
{
namespace gles2
{
namespace Functional
{

template<class T>
static std::string typeToString (T t)
{
	std::stringstream strm;
	strm << t;
	return strm.str();
}


class SingleVertexArrayUsageTests : public TestCaseGroup
{
public:
									SingleVertexArrayUsageTests		(Context& context);
	virtual							~SingleVertexArrayUsageTests	(void);

	virtual void					init							(void);

private:
									SingleVertexArrayUsageTests		(const SingleVertexArrayUsageTests& other);
	SingleVertexArrayUsageTests&	operator=						(const SingleVertexArrayUsageTests& other);
};

SingleVertexArrayUsageTests::SingleVertexArrayUsageTests (Context& context)
	: TestCaseGroup(context, "usages", "Single vertex atribute, usage")
{
}

SingleVertexArrayUsageTests::~SingleVertexArrayUsageTests (void)
{
}

void SingleVertexArrayUsageTests::init (void)
{
	// Test usage
	Array::Usage		usages[]		= {Array::USAGE_STATIC_DRAW, Array::USAGE_STREAM_DRAW, Array::USAGE_DYNAMIC_DRAW};
	int					counts[]		= {1, 256};
	int					strides[]		= {0, -1, 17, 32}; // Tread negative value as sizeof input. Same as 0, but done outside of GL.
	Array::InputType	inputTypes[]	= {Array::INPUTTYPE_FLOAT, Array::INPUTTYPE_FIXED, Array::INPUTTYPE_SHORT, Array::INPUTTYPE_BYTE};

	for (int inputTypeNdx = 0; inputTypeNdx < DE_LENGTH_OF_ARRAY(inputTypes); inputTypeNdx++)
	{
		for (int countNdx = 0; countNdx < DE_LENGTH_OF_ARRAY(counts); countNdx++)
		{
			for (int strideNdx = 0; strideNdx < DE_LENGTH_OF_ARRAY(strides); strideNdx++)
			{
				for (int usageNdx = 0; usageNdx < DE_LENGTH_OF_ARRAY(usages); usageNdx++)
				{
					const int	componentCount	= 2;
					const int	stride			= (strides[strideNdx] < 0 ? Array::inputTypeSize(inputTypes[inputTypeNdx]) * componentCount : strides[strideNdx]);
					const bool	aligned			= (stride % Array::inputTypeSize(inputTypes[inputTypeNdx])) == 0;
					MultiVertexArrayTest::Spec::ArraySpec arraySpec(inputTypes[inputTypeNdx],
																	Array::OUTPUTTYPE_VEC2,
																	Array::STORAGE_BUFFER,
																	usages[usageNdx],
																	componentCount,
																	0,
																	stride,
																	false,
																	GLValue::getMinValue(inputTypes[inputTypeNdx]),
																	GLValue::getMaxValue(inputTypes[inputTypeNdx]));

					MultiVertexArrayTest::Spec spec;
					spec.primitive	= Array::PRIMITIVE_TRIANGLES;
					spec.drawCount	= counts[countNdx];
					spec.first		= 0;
					spec.arrays.push_back(arraySpec);

					std::string name = spec.getName();

					if (aligned)
						addChild(new MultiVertexArrayTest(m_testCtx, m_context.getRenderContext(), spec, name.c_str(), name.c_str()));
				}
			}
		}
	}
}

class SingleVertexArrayStrideTests : public TestCaseGroup
{
public:
									SingleVertexArrayStrideTests	(Context& context);
	virtual							~SingleVertexArrayStrideTests	(void);

	virtual void					init							(void);

private:
									SingleVertexArrayStrideTests	(const SingleVertexArrayStrideTests& other);
	SingleVertexArrayStrideTests&	operator=						(const SingleVertexArrayStrideTests& other);
};

SingleVertexArrayStrideTests::SingleVertexArrayStrideTests (Context& context)
	: TestCaseGroup(context, "strides", "Single stride vertex atribute")
{
}

SingleVertexArrayStrideTests::~SingleVertexArrayStrideTests (void)
{
}

void SingleVertexArrayStrideTests::init (void)
{
	// Test strides with different input types, component counts and storage, Usage(?)
	Array::InputType	inputTypes[]	= {Array::INPUTTYPE_FLOAT, Array::INPUTTYPE_SHORT, Array::INPUTTYPE_BYTE, /*Array::INPUTTYPE_UNSIGNED_SHORT, Array::INPUTTYPE_UNSIGNED_BYTE,*/ Array::INPUTTYPE_FIXED};
	Array::Storage		storages[]		= {Array::STORAGE_USER, Array::STORAGE_BUFFER};
	int					counts[]		= {1, 256};
	int					strides[]		= {/*0,*/ -1, 17, 32}; // Tread negative value as sizeof input. Same as 0, but done outside of GL.

	for (int inputTypeNdx = 0; inputTypeNdx < DE_LENGTH_OF_ARRAY(inputTypes); inputTypeNdx++)
	{
		for (int storageNdx = 0; storageNdx < DE_LENGTH_OF_ARRAY(storages); storageNdx++)
		{
			for (int componentCount = 2; componentCount < 5; componentCount++)
			{
				for (int countNdx = 0; countNdx < DE_LENGTH_OF_ARRAY(counts); countNdx++)
				{
					for (int strideNdx = 0; strideNdx < DE_LENGTH_OF_ARRAY(strides); strideNdx++)
					{
						const int	stride			= (strides[strideNdx] < 0 ? Array::inputTypeSize(inputTypes[inputTypeNdx]) * componentCount : strides[strideNdx]);
						const bool	bufferAligned	= (storages[storageNdx] == Array::STORAGE_BUFFER) && (stride % Array::inputTypeSize(inputTypes[inputTypeNdx])) == 0;

						MultiVertexArrayTest::Spec::ArraySpec arraySpec(inputTypes[inputTypeNdx],
																		Array::OUTPUTTYPE_VEC4,
																		storages[storageNdx],
																		Array::USAGE_DYNAMIC_DRAW,
																		componentCount,
																		0,
																		stride,
																		false,
																		GLValue::getMinValue(inputTypes[inputTypeNdx]),
																		GLValue::getMaxValue(inputTypes[inputTypeNdx]));

						MultiVertexArrayTest::Spec spec;
						spec.primitive	= Array::PRIMITIVE_TRIANGLES;
						spec.drawCount	= counts[countNdx];
						spec.first		= 0;
						spec.arrays.push_back(arraySpec);

						std::string name = spec.getName();
						if (bufferAligned)
							addChild(new MultiVertexArrayTest(m_testCtx, m_context.getRenderContext(), spec, name.c_str(), name.c_str()));
					}
				}
			}
		}
	}
}

class SingleVertexArrayFirstTests : public TestCaseGroup
{
public:
									SingleVertexArrayFirstTests	(Context& context);
	virtual							~SingleVertexArrayFirstTests	(void);

	virtual void					init							(void);

private:
									SingleVertexArrayFirstTests	(const SingleVertexArrayFirstTests& other);
	SingleVertexArrayFirstTests&	operator=						(const SingleVertexArrayFirstTests& other);
};

SingleVertexArrayFirstTests::SingleVertexArrayFirstTests (Context& context)
	: TestCaseGroup(context, "first", "Single vertex atribute different first values")
{
}

SingleVertexArrayFirstTests::~SingleVertexArrayFirstTests (void)
{
}

void SingleVertexArrayFirstTests::init (void)
{
	// Test strides with different input types, component counts and storage, Usage(?)
	Array::InputType	inputTypes[]	= {Array::INPUTTYPE_FLOAT, Array::INPUTTYPE_BYTE, Array::INPUTTYPE_FIXED};
	int					counts[]		= {5, 256};
	int					firsts[]		= {6, 24};
	int					offsets[]		= {1, 16, 17};
	int					strides[]		= {/*0,*/ -1, 17, 32}; // Tread negative value as sizeof input. Same as 0, but done outside of GL.

	for (int inputTypeNdx = 0; inputTypeNdx < DE_LENGTH_OF_ARRAY(inputTypes); inputTypeNdx++)
	{
		for (int offsetNdx = 0; offsetNdx < DE_LENGTH_OF_ARRAY(offsets); offsetNdx++)
		{
			for (int countNdx = 0; countNdx < DE_LENGTH_OF_ARRAY(counts); countNdx++)
			{
				for (int strideNdx = 0; strideNdx < DE_LENGTH_OF_ARRAY(strides); strideNdx++)
				{
					for (int firstNdx = 0; firstNdx < DE_LENGTH_OF_ARRAY(firsts); firstNdx++)
					{
						const int	stride	= (strides[strideNdx] < 0 ? Array::inputTypeSize(inputTypes[inputTypeNdx]) * 2 : strides[strideNdx]);
						const bool	aligned	= ((stride % Array::inputTypeSize(inputTypes[inputTypeNdx])) == 0) && (offsets[offsetNdx] % Array::inputTypeSize(inputTypes[inputTypeNdx]) == 0);

						MultiVertexArrayTest::Spec::ArraySpec arraySpec(inputTypes[inputTypeNdx],
																		Array::OUTPUTTYPE_VEC2,
																		Array::STORAGE_BUFFER,
																		Array::USAGE_DYNAMIC_DRAW,
																		2,
																		offsets[offsetNdx],
																		stride,
																		false,
																		GLValue::getMinValue(inputTypes[inputTypeNdx]),
																		GLValue::getMaxValue(inputTypes[inputTypeNdx]));

						MultiVertexArrayTest::Spec spec;
						spec.primitive	= Array::PRIMITIVE_TRIANGLES;
						spec.drawCount	= counts[countNdx];
						spec.first		= firsts[firstNdx];
						spec.arrays.push_back(arraySpec);

						std::string name = Array::inputTypeToString(inputTypes[inputTypeNdx]) + "_first" + typeToString(firsts[firstNdx]) + "_offset" + typeToString(offsets[offsetNdx]) + "_stride" + typeToString(stride) + "_quads" + typeToString(counts[countNdx]);
						if (aligned)
							addChild(new MultiVertexArrayTest(m_testCtx, m_context.getRenderContext(), spec, name.c_str(), name.c_str()));
					}
				}
			}
		}
	}
}

class SingleVertexArrayOffsetTests : public TestCaseGroup
{
public:
									SingleVertexArrayOffsetTests	(Context& context);
	virtual							~SingleVertexArrayOffsetTests	(void);

	virtual void					init							(void);

private:
									SingleVertexArrayOffsetTests	(const SingleVertexArrayOffsetTests& other);
	SingleVertexArrayOffsetTests&	operator=						(const SingleVertexArrayOffsetTests& other);
};

SingleVertexArrayOffsetTests::SingleVertexArrayOffsetTests (Context& context)
	: TestCaseGroup(context, "offset", "Single vertex atribute offset element")
{
}

SingleVertexArrayOffsetTests::~SingleVertexArrayOffsetTests (void)
{
}

void SingleVertexArrayOffsetTests::init (void)
{
	// Test strides with different input types, component counts and storage, Usage(?)
	Array::InputType	inputTypes[]	= {Array::INPUTTYPE_FLOAT, Array::INPUTTYPE_BYTE, Array::INPUTTYPE_FIXED};
	int					counts[]		= {1, 256};
	int					offsets[]		= {1, 4, 17, 32};
	int					strides[]		= {/*0,*/ -1, 17, 32}; // Tread negative value as sizeof input. Same as 0, but done outside of GL.

	for (int inputTypeNdx = 0; inputTypeNdx < DE_LENGTH_OF_ARRAY(inputTypes); inputTypeNdx++)
	{
		for (int offsetNdx = 0; offsetNdx < DE_LENGTH_OF_ARRAY(offsets); offsetNdx++)
		{
			for (int countNdx = 0; countNdx < DE_LENGTH_OF_ARRAY(counts); countNdx++)
			{
				for (int strideNdx = 0; strideNdx < DE_LENGTH_OF_ARRAY(strides); strideNdx++)
				{
					const int	stride	= (strides[strideNdx] < 0 ? Array::inputTypeSize(inputTypes[inputTypeNdx]) * 2 : strides[strideNdx]);
					const bool	aligned	= ((stride % Array::inputTypeSize(inputTypes[inputTypeNdx])) == 0) && ((offsets[offsetNdx] % Array::inputTypeSize(inputTypes[inputTypeNdx])) == 0);

					MultiVertexArrayTest::Spec::ArraySpec arraySpec(inputTypes[inputTypeNdx],
																	Array::OUTPUTTYPE_VEC2,
																	Array::STORAGE_BUFFER,
																	Array::USAGE_DYNAMIC_DRAW,
																	2,
																	offsets[offsetNdx],
																	stride,
																	false,
																	GLValue::getMinValue(inputTypes[inputTypeNdx]),
																	GLValue::getMaxValue(inputTypes[inputTypeNdx]));

					MultiVertexArrayTest::Spec spec;
					spec.primitive	= Array::PRIMITIVE_TRIANGLES;
					spec.drawCount	= counts[countNdx];
					spec.first		= 0;
					spec.arrays.push_back(arraySpec);

					std::string name = spec.getName();
					if (aligned)
						addChild(new MultiVertexArrayTest(m_testCtx, m_context.getRenderContext(), spec, name.c_str(), name.c_str()));
				}
			}
		}
	}
}

class SingleVertexArrayNormalizeTests : public TestCaseGroup
{
public:
										SingleVertexArrayNormalizeTests		(Context& context);
	virtual								~SingleVertexArrayNormalizeTests	(void);

	virtual void						init								(void);

private:
										SingleVertexArrayNormalizeTests		(const SingleVertexArrayNormalizeTests& other);
	SingleVertexArrayNormalizeTests&	operator=							(const SingleVertexArrayNormalizeTests& other);
};

SingleVertexArrayNormalizeTests::SingleVertexArrayNormalizeTests (Context& context)
	: TestCaseGroup(context, "normalize", "Single normalize vertex atribute")
{
}

SingleVertexArrayNormalizeTests::~SingleVertexArrayNormalizeTests (void)
{
}

void SingleVertexArrayNormalizeTests::init (void)
{
	// Test normalization with different input types, component counts and storage
	Array::InputType	inputTypes[]	= {Array::INPUTTYPE_FLOAT, Array::INPUTTYPE_SHORT, Array::INPUTTYPE_BYTE, Array::INPUTTYPE_UNSIGNED_SHORT, Array::INPUTTYPE_UNSIGNED_BYTE, Array::INPUTTYPE_FIXED};
	Array::Storage		storages[]		= {Array::STORAGE_USER};
	int					counts[]		= {1, 256};

	for (int inputTypeNdx = 0; inputTypeNdx < DE_LENGTH_OF_ARRAY(inputTypes); inputTypeNdx++)
	{
		for (int storageNdx = 0; storageNdx < DE_LENGTH_OF_ARRAY(storages); storageNdx++)
		{
			for (int componentCount = 2; componentCount < 5; componentCount++)
			{
				for (int countNdx = 0; countNdx < DE_LENGTH_OF_ARRAY(counts); countNdx++)
				{
					MultiVertexArrayTest::Spec::ArraySpec arraySpec(inputTypes[inputTypeNdx],
																	Array::OUTPUTTYPE_VEC4,
																	storages[storageNdx],
																	Array::USAGE_DYNAMIC_DRAW,
																	componentCount,
																	0,
																	0,
																	true,
																	GLValue::getMinValue(inputTypes[inputTypeNdx]),
																	GLValue::getMaxValue(inputTypes[inputTypeNdx]));

					MultiVertexArrayTest::Spec spec;
					spec.primitive	= Array::PRIMITIVE_TRIANGLES;
					spec.drawCount	= counts[countNdx];
					spec.first		= 0;
					spec.arrays.push_back(arraySpec);

					std::string name = spec.getName();
					addChild(new MultiVertexArrayTest(m_testCtx, m_context.getRenderContext(), spec, name.c_str(), name.c_str()));
				}
			}
		}
	}
}

class SingleVertexArrayOutputTypeTests : public TestCaseGroup
{
public:
											SingleVertexArrayOutputTypeTests	(Context& context);
	virtual									~SingleVertexArrayOutputTypeTests	(void);

	virtual void							init									(void);

private:
											SingleVertexArrayOutputTypeTests	(const SingleVertexArrayOutputTypeTests& other);
	SingleVertexArrayOutputTypeTests&	operator=								(const SingleVertexArrayOutputTypeTests& other);
};

SingleVertexArrayOutputTypeTests::SingleVertexArrayOutputTypeTests (Context& context)
	: TestCaseGroup(context, "output_types", "Single output type vertex atribute")
{
}

SingleVertexArrayOutputTypeTests::~SingleVertexArrayOutputTypeTests (void)
{
}

void SingleVertexArrayOutputTypeTests::init (void)
{
	// Test output types with different input types, component counts and storage, Usage?, Precision?, float?
	Array::InputType	inputTypes[]	= {Array::INPUTTYPE_FLOAT, Array::INPUTTYPE_SHORT, Array::INPUTTYPE_BYTE, Array::INPUTTYPE_UNSIGNED_SHORT, Array::INPUTTYPE_UNSIGNED_BYTE, Array::INPUTTYPE_FIXED};
	Array::OutputType	outputTypes[]	= {Array::OUTPUTTYPE_VEC2, Array::OUTPUTTYPE_VEC3, Array::OUTPUTTYPE_VEC4};
	Array::Storage		storages[]		= {Array::STORAGE_USER};
	int					counts[]		= {1, 256};

	for (int inputTypeNdx = 0; inputTypeNdx < DE_LENGTH_OF_ARRAY(inputTypes); inputTypeNdx++)
	{
		for (int outputTypeNdx = 0; outputTypeNdx < DE_LENGTH_OF_ARRAY(outputTypes); outputTypeNdx++)
		{
			for (int storageNdx = 0; storageNdx < DE_LENGTH_OF_ARRAY(storages); storageNdx++)
			{
				for (int componentCount = 2; componentCount < 5; componentCount++)
				{
					for (int countNdx = 0; countNdx < DE_LENGTH_OF_ARRAY(counts); countNdx++)
					{
						MultiVertexArrayTest::Spec::ArraySpec arraySpec(inputTypes[inputTypeNdx],
																		outputTypes[outputTypeNdx],
																		storages[storageNdx],
																		Array::USAGE_DYNAMIC_DRAW,
																		componentCount,
																		0,
																		0,
																		false,
																		GLValue::getMinValue(inputTypes[inputTypeNdx]),
																		GLValue::getMaxValue(inputTypes[inputTypeNdx]));

						MultiVertexArrayTest::Spec spec;
						spec.primitive	= Array::PRIMITIVE_TRIANGLES;
						spec.drawCount	= counts[countNdx];
						spec.first		= 0;
						spec.arrays.push_back(arraySpec);

						std::string name = spec.getName();
						addChild(new MultiVertexArrayTest(m_testCtx, m_context.getRenderContext(), spec, name.c_str(), name.c_str()));
					}
				}
			}
		}
	}
}

class SingleVertexArrayTestGroup : public TestCaseGroup
{
public:
									SingleVertexArrayTestGroup	(Context& context);
	virtual							~SingleVertexArrayTestGroup	(void);

	virtual void					init						(void);

private:
									SingleVertexArrayTestGroup	(const SingleVertexArrayTestGroup& other);
	SingleVertexArrayTestGroup&		operator=					(const SingleVertexArrayTestGroup& other);
};

SingleVertexArrayTestGroup::SingleVertexArrayTestGroup (Context& context)
	: TestCaseGroup(context, "single_attribute", "Single vertex atribute")
{
}

SingleVertexArrayTestGroup::~SingleVertexArrayTestGroup (void)
{
}

void SingleVertexArrayTestGroup::init (void)
{
	addChild(new SingleVertexArrayStrideTests(m_context));
	addChild(new SingleVertexArrayNormalizeTests(m_context));
	addChild(new SingleVertexArrayOutputTypeTests(m_context));
	addChild(new SingleVertexArrayUsageTests(m_context));
	addChild(new SingleVertexArrayOffsetTests(m_context));
	addChild(new SingleVertexArrayFirstTests(m_context));
}

class MultiVertexArrayCountTests : public TestCaseGroup
{
public:
									MultiVertexArrayCountTests	(Context& context);
	virtual							~MultiVertexArrayCountTests	(void);

	virtual void					init						(void);

private:
									MultiVertexArrayCountTests	(const MultiVertexArrayCountTests& other);
	MultiVertexArrayCountTests&		operator=					(const MultiVertexArrayCountTests& other);

	std::string						getTestName					(const MultiVertexArrayTest::Spec& spec);
};

MultiVertexArrayCountTests::MultiVertexArrayCountTests (Context& context)
	: TestCaseGroup(context, "attribute_count", "Attribute counts")
{
}

MultiVertexArrayCountTests::~MultiVertexArrayCountTests (void)
{
}

std::string MultiVertexArrayCountTests::getTestName (const MultiVertexArrayTest::Spec& spec)
{
	std::stringstream name;
	name
		<< spec.arrays.size();

	return name.str();
}

void MultiVertexArrayCountTests::init (void)
{
	// Test attribute counts
	int arrayCounts[] = {2, 3, 4, 5, 6, 7, 8};

	for (int arrayCountNdx = 0; arrayCountNdx < DE_LENGTH_OF_ARRAY(arrayCounts); arrayCountNdx++)
	{
		MultiVertexArrayTest::Spec spec;

		spec.primitive	= Array::PRIMITIVE_TRIANGLES;
		spec.drawCount	= 256;
		spec.first		= 0;

		for (int arrayNdx = 0; arrayNdx < arrayCounts[arrayCountNdx]; arrayNdx++)
		{
			MultiVertexArrayTest::Spec::ArraySpec arraySpec(Array::INPUTTYPE_FLOAT,
															Array::OUTPUTTYPE_VEC2,
															Array::STORAGE_USER,
															Array::USAGE_DYNAMIC_DRAW,
															2,
															0,
															0,
															false,
															GLValue::getMinValue(Array::INPUTTYPE_FLOAT),
															GLValue::getMaxValue(Array::INPUTTYPE_FLOAT));

			spec.arrays.push_back(arraySpec);
		}

		std::string name = getTestName(spec);
		std::string desc = getTestName(spec);

		addChild(new MultiVertexArrayTest(m_testCtx, m_context.getRenderContext(), spec, name.c_str(), desc.c_str()));
	}
}

class MultiVertexArrayStorageTests : public TestCaseGroup
{
public:
									MultiVertexArrayStorageTests	(Context& context);
	virtual							~MultiVertexArrayStorageTests	(void);

	virtual void					init								(void);

private:
									MultiVertexArrayStorageTests	(const MultiVertexArrayStorageTests& other);
	MultiVertexArrayStorageTests&	operator=							(const MultiVertexArrayStorageTests& other);

	void							addStorageCases						(MultiVertexArrayTest::Spec spec, int depth);
	std::string						getTestName							(const MultiVertexArrayTest::Spec& spec);
};

MultiVertexArrayStorageTests::MultiVertexArrayStorageTests (Context& context)
	: TestCaseGroup(context, "storage", "Attribute storages")
{
}

MultiVertexArrayStorageTests::~MultiVertexArrayStorageTests (void)
{
}

std::string MultiVertexArrayStorageTests::getTestName (const MultiVertexArrayTest::Spec& spec)
{
	std::stringstream name;
	name
		<< spec.arrays.size();

	for (int arrayNdx = 0; arrayNdx < (int)spec.arrays.size(); arrayNdx++)
	{
		name
			<< "_"
			<< Array::storageToString(spec.arrays[arrayNdx].storage);
	}

	return name.str();
}

void MultiVertexArrayStorageTests::addStorageCases (MultiVertexArrayTest::Spec spec, int depth)
{
	if (depth == 0)
	{
		// Skip trivial case, used elsewhere
		bool ok = false;
		for (int arrayNdx = 0; arrayNdx < (int)spec.arrays.size(); arrayNdx++)
		{
			if (spec.arrays[arrayNdx].storage != Array::STORAGE_USER)
			{
				ok = true;
				break;
			}
		}

		if (!ok)
			return;

		std::string name = getTestName(spec);
		std::string desc = getTestName(spec);

		addChild(new MultiVertexArrayTest(m_testCtx, m_context.getRenderContext(), spec, name.c_str(), desc.c_str()));
		return;
	}

	Array::Storage storages[] = {Array::STORAGE_USER, Array::STORAGE_BUFFER};
	for (int storageNdx = 0; storageNdx < DE_LENGTH_OF_ARRAY(storages); storageNdx++)
	{
		MultiVertexArrayTest::Spec::ArraySpec arraySpec(Array::INPUTTYPE_FLOAT,
														Array::OUTPUTTYPE_VEC2,
														storages[storageNdx],
														Array::USAGE_DYNAMIC_DRAW,
														2,
														0,
														0,
														false,
														GLValue::getMinValue(Array::INPUTTYPE_FLOAT),
														GLValue::getMaxValue(Array::INPUTTYPE_FLOAT));

		MultiVertexArrayTest::Spec _spec = spec;
		_spec.arrays.push_back(arraySpec);
		addStorageCases(_spec, depth-1);
	}
}


void MultiVertexArrayStorageTests::init (void)
{
	// Test different storages
	int arrayCounts[] = {3};

	MultiVertexArrayTest::Spec spec;

	spec.primitive	= Array::PRIMITIVE_TRIANGLES;
	spec.drawCount	= 256;
	spec.first		= 0;

	for (int arrayCountNdx = 0; arrayCountNdx < DE_LENGTH_OF_ARRAY(arrayCounts); arrayCountNdx++)
		addStorageCases(spec, arrayCounts[arrayCountNdx]);
}

class MultiVertexArrayStrideTests : public TestCaseGroup
{
public:
									MultiVertexArrayStrideTests		(Context& context);
	virtual							~MultiVertexArrayStrideTests	(void);

	virtual void					init							(void);

private:
									MultiVertexArrayStrideTests		(const MultiVertexArrayStrideTests& other);
	MultiVertexArrayStrideTests&	operator=						(const MultiVertexArrayStrideTests& other);

	void							addStrideCases					(MultiVertexArrayTest::Spec spec, int depth);
	std::string						getTestName						(const MultiVertexArrayTest::Spec& spec);
};

MultiVertexArrayStrideTests::MultiVertexArrayStrideTests (Context& context)
	: TestCaseGroup(context, "stride", "Strides")
{
}

MultiVertexArrayStrideTests::~MultiVertexArrayStrideTests (void)
{
}

std::string MultiVertexArrayStrideTests::getTestName (const MultiVertexArrayTest::Spec& spec)
{
	std::stringstream name;

	name
		<< spec.arrays.size();

	for (int arrayNdx = 0; arrayNdx < (int)spec.arrays.size(); arrayNdx++)
	{
		name
			<< "_"
			<< Array::inputTypeToString(spec.arrays[arrayNdx].inputType)
			<< spec.arrays[arrayNdx].componentCount << "_"
			<< spec.arrays[arrayNdx].stride;
	}

	return name.str();
}

void MultiVertexArrayStrideTests::init (void)
{
	// Test different strides, with multiple arrays, input types??
	int arrayCounts[] = {3};

	MultiVertexArrayTest::Spec spec;

	spec.primitive	= Array::PRIMITIVE_TRIANGLES;
	spec.drawCount	= 256;
	spec.first		= 0;

	for (int arrayCountNdx = 0; arrayCountNdx < DE_LENGTH_OF_ARRAY(arrayCounts); arrayCountNdx++)
		addStrideCases(spec, arrayCounts[arrayCountNdx]);
}

void MultiVertexArrayStrideTests::addStrideCases (MultiVertexArrayTest::Spec spec, int depth)
{
	if (depth == 0)
	{
		std::string name = getTestName(spec);
		std::string desc = getTestName(spec);
		addChild(new MultiVertexArrayTest(m_testCtx, m_context.getRenderContext(), spec, name.c_str(), desc.c_str()));
		return;
	}

	int strides[]	= {0, -1, 17, 32};

	for (int strideNdx = 0; strideNdx < DE_LENGTH_OF_ARRAY(strides); strideNdx++)
	{
		const int componentCount = 2;
		MultiVertexArrayTest::Spec::ArraySpec arraySpec(Array::INPUTTYPE_FLOAT,
														Array::OUTPUTTYPE_VEC2,
														Array::STORAGE_USER,
														Array::USAGE_DYNAMIC_DRAW,
														componentCount,
														0,
														(strides[strideNdx] >= 0 ? strides[strideNdx] : componentCount * Array::inputTypeSize(Array::INPUTTYPE_FLOAT)),
														false,
														GLValue::getMinValue(Array::INPUTTYPE_FLOAT),
														GLValue::getMaxValue(Array::INPUTTYPE_FLOAT));

		MultiVertexArrayTest::Spec _spec = spec;
		_spec.arrays.push_back(arraySpec);
		addStrideCases(_spec, depth-1);
	}
}

class MultiVertexArrayOutputTests : public TestCaseGroup
{
public:
										MultiVertexArrayOutputTests		(Context& context);
	virtual								~MultiVertexArrayOutputTests	(void);

	virtual void						init								(void);

private:
										MultiVertexArrayOutputTests		(const MultiVertexArrayOutputTests& other);
	MultiVertexArrayOutputTests&	operator=							(const MultiVertexArrayOutputTests& other);

	void								addInputTypeCases					(MultiVertexArrayTest::Spec spec, int depth);
	std::string							getTestName							(const MultiVertexArrayTest::Spec& spec);
};

MultiVertexArrayOutputTests::MultiVertexArrayOutputTests (Context& context)
	: TestCaseGroup(context, "input_types", "input types")
{
}

MultiVertexArrayOutputTests::~MultiVertexArrayOutputTests (void)
{
}

std::string MultiVertexArrayOutputTests::getTestName (const MultiVertexArrayTest::Spec& spec)
{
	std::stringstream name;

	name
		<< spec.arrays.size();

	for (int arrayNdx = 0; arrayNdx < (int)spec.arrays.size(); arrayNdx++)
	{
		name
			<< "_"
			<< Array::inputTypeToString(spec.arrays[arrayNdx].inputType)
			<< spec.arrays[arrayNdx].componentCount << "_"
			<< Array::outputTypeToString(spec.arrays[arrayNdx].outputType);
	}

	return name.str();
}

void MultiVertexArrayOutputTests::init (void)
{
	// Test different input types, with multiple arrays
	int arrayCounts[] = {3};

	MultiVertexArrayTest::Spec spec;

	spec.primitive	= Array::PRIMITIVE_TRIANGLES;
	spec.drawCount	= 256;
	spec.first		= 0;

	for (int arrayCountNdx = 0; arrayCountNdx < DE_LENGTH_OF_ARRAY(arrayCounts); arrayCountNdx++)
		addInputTypeCases(spec, arrayCounts[arrayCountNdx]);
}

void MultiVertexArrayOutputTests::addInputTypeCases (MultiVertexArrayTest::Spec spec, int depth)
{
	if (depth == 0)
	{
		std::string name = getTestName(spec);
		std::string desc = getTestName(spec);
		addChild(new MultiVertexArrayTest(m_testCtx, m_context.getRenderContext(), spec, name.c_str(), desc.c_str()));
		return;
	}

	Array::InputType inputTypes[] = {Array::INPUTTYPE_FIXED, Array::INPUTTYPE_BYTE, Array::INPUTTYPE_SHORT, Array::INPUTTYPE_UNSIGNED_BYTE, Array::INPUTTYPE_UNSIGNED_SHORT};
	for (int inputTypeNdx = 0; inputTypeNdx < DE_LENGTH_OF_ARRAY(inputTypes); inputTypeNdx++)
	{
		MultiVertexArrayTest::Spec::ArraySpec arraySpec(inputTypes[inputTypeNdx],
														Array::OUTPUTTYPE_VEC2,
														Array::STORAGE_USER,
														Array::USAGE_DYNAMIC_DRAW,
														2,
														0,
														0,
														false,
														GLValue::getMinValue(inputTypes[inputTypeNdx]),
														GLValue::getMaxValue(inputTypes[inputTypeNdx]));

		MultiVertexArrayTest::Spec _spec = spec;
		_spec.arrays.push_back(arraySpec);
		addInputTypeCases(_spec, depth-1);
	}
}

class MultiVertexArrayTestGroup : public TestCaseGroup
{
public:
									MultiVertexArrayTestGroup	(Context& context);
	virtual							~MultiVertexArrayTestGroup	(void);

	virtual void					init						(void);

private:
									MultiVertexArrayTestGroup	(const MultiVertexArrayTestGroup& other);
	MultiVertexArrayTestGroup&		operator=					(const MultiVertexArrayTestGroup& other);
};

MultiVertexArrayTestGroup::MultiVertexArrayTestGroup (Context& context)
	: TestCaseGroup(context, "multiple_attributes", "Multiple vertex atributes")
{
}

MultiVertexArrayTestGroup::~MultiVertexArrayTestGroup (void)
{
}

void MultiVertexArrayTestGroup::init (void)
{
	addChild(new MultiVertexArrayCountTests(m_context));
	addChild(new MultiVertexArrayStorageTests(m_context));
	addChild(new MultiVertexArrayStrideTests(m_context));
	addChild(new MultiVertexArrayOutputTests(m_context));
}

VertexArrayTestGroup::VertexArrayTestGroup (Context& context)
	: TestCaseGroup(context, "vertex_arrays", "Vertex array and array tests")
{
}

VertexArrayTestGroup::~VertexArrayTestGroup (void)
{
}

void VertexArrayTestGroup::init (void)
{
	addChild(new SingleVertexArrayTestGroup(m_context));
	addChild(new MultiVertexArrayTestGroup(m_context));
}

} // Functional
} // gles2
} // deqp