1/*-------------------------------------------------------------------------
2 * drawElements Quality Program OpenGL ES 3.1 Module
3 * -------------------------------------------------
4 *
5 * Copyright 2014 The Android Open Source Project
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 *      http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 *//*!
20 * \file
21 * \brief Basic Compute Shader Tests.
22 *//*--------------------------------------------------------------------*/
23
24#include "es31fBasicComputeShaderTests.hpp"
25#include "gluShaderProgram.hpp"
26#include "gluObjectWrapper.hpp"
27#include "gluRenderContext.hpp"
28#include "gluProgramInterfaceQuery.hpp"
29#include "gluContextInfo.hpp"
30#include "glwFunctions.hpp"
31#include "glwEnums.hpp"
32#include "tcuTestLog.hpp"
33#include "deRandom.hpp"
34#include "deStringUtil.hpp"
35#include "deMemory.h"
36
37namespace deqp
38{
39namespace gles31
40{
41namespace Functional
42{
43
44using std::string;
45using std::vector;
46using tcu::TestLog;
47using namespace glu;
48
49//! Utility for mapping buffers.
50class BufferMemMap
51{
52public:
53	BufferMemMap (const glw::Functions& gl, deUint32 target, int offset, int size, deUint32 access)
54		: m_gl		(gl)
55		, m_target	(target)
56		, m_ptr		(DE_NULL)
57	{
58		m_ptr = gl.mapBufferRange(target, offset, size, access);
59		GLU_EXPECT_NO_ERROR(gl.getError(), "glMapBufferRange()");
60		TCU_CHECK(m_ptr);
61	}
62
63	~BufferMemMap (void)
64	{
65		m_gl.unmapBuffer(m_target);
66	}
67
68	void*	getPtr		(void) const { return m_ptr; }
69	void*	operator*	(void) const { return m_ptr; }
70
71private:
72							BufferMemMap			(const BufferMemMap& other);
73	BufferMemMap&			operator=				(const BufferMemMap& other);
74
75	const glw::Functions&	m_gl;
76	const deUint32			m_target;
77	void*					m_ptr;
78};
79
80namespace
81{
82
83class EmptyComputeShaderCase : public TestCase
84{
85public:
86	EmptyComputeShaderCase (Context& context)
87		: TestCase(context, "empty", "Empty shader")
88	{
89	}
90
91	IterateResult iterate (void)
92	{
93		const ShaderProgram program(m_context.getRenderContext(),
94			ProgramSources() << ShaderSource(SHADERTYPE_COMPUTE,
95				"#version 310 es\n"
96				"layout (local_size_x = 1) in;\n"
97				"void main (void) {}\n"
98				));
99
100		const glw::Functions& gl = m_context.getRenderContext().getFunctions();
101
102		m_testCtx.getLog() << program;
103		if (!program.isOk())
104			TCU_FAIL("Compile failed");
105
106		gl.useProgram(program.getProgram());
107		gl.dispatchCompute(1, 1, 1);
108		GLU_EXPECT_NO_ERROR(gl.getError(), "glDispatchCompute()");
109
110		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
111		return STOP;
112	}
113};
114
115class UBOToSSBOInvertCase : public TestCase
116{
117public:
118	UBOToSSBOInvertCase (Context& context, const char* name, const char* description, int numValues, const tcu::IVec3& localSize, const tcu::IVec3& workSize)
119		: TestCase		(context, name, description)
120		, m_numValues	(numValues)
121		, m_localSize	(localSize)
122		, m_workSize	(workSize)
123	{
124		DE_ASSERT(m_numValues % (m_workSize[0]*m_workSize[1]*m_workSize[2]*m_localSize[0]*m_localSize[1]*m_localSize[2]) == 0);
125	}
126
127	IterateResult iterate (void)
128	{
129		std::ostringstream src;
130		src << "#version 310 es\n"
131			<< "layout (local_size_x = " << m_localSize[0] << ", local_size_y = " << m_localSize[1] << ", local_size_z = " << m_localSize[2] << ") in;\n"
132			<< "uniform Input {\n"
133			<< "    uint values[" << m_numValues << "];\n"
134			<< "} ub_in;\n"
135			<< "layout(binding = 1) buffer Output {\n"
136			<< "    uint values[" << m_numValues << "];\n"
137			<< "} sb_out;\n"
138			<< "void main (void) {\n"
139			<< "    uvec3 size           = gl_NumWorkGroups * gl_WorkGroupSize;\n"
140			<< "    uint numValuesPerInv = uint(ub_in.values.length()) / (size.x*size.y*size.z);\n"
141			<< "    uint groupNdx        = size.x*size.y*gl_GlobalInvocationID.z + size.x*gl_GlobalInvocationID.y + gl_GlobalInvocationID.x;\n"
142			<< "    uint offset          = numValuesPerInv*groupNdx;\n"
143			<< "\n"
144			<< "    for (uint ndx = 0u; ndx < numValuesPerInv; ndx++)\n"
145			<< "        sb_out.values[offset + ndx] = ~ub_in.values[offset + ndx];\n"
146			<< "}\n";
147
148		const glw::Functions&		gl				= m_context.getRenderContext().getFunctions();
149		const ShaderProgram			program			(m_context.getRenderContext(), ProgramSources() << ShaderSource(SHADERTYPE_COMPUTE, src.str()));
150		const Buffer				inputBuffer		(m_context.getRenderContext());
151		const Buffer				outputBuffer	(m_context.getRenderContext());
152		std::vector<deUint32>		inputValues		(m_numValues);
153
154		// Compute input values.
155		{
156			de::Random rnd(0x111223f);
157			for (int ndx = 0; ndx < (int)inputValues.size(); ndx++)
158				inputValues[ndx] = rnd.getUint32();
159		}
160
161		m_testCtx.getLog() << program;
162		if (!program.isOk())
163			TCU_FAIL("Compile failed");
164
165		m_testCtx.getLog() << TestLog::Message << "Work groups: " << m_workSize << TestLog::EndMessage;
166
167		gl.useProgram(program.getProgram());
168
169		// Input buffer setup
170		{
171			const deUint32				blockIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_UNIFORM_BLOCK, "Input");
172			const InterfaceBlockInfo	blockInfo	= getProgramInterfaceBlockInfo(gl, program.getProgram(), GL_UNIFORM_BLOCK, blockIndex);
173			const deUint32				valueIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_UNIFORM, "Input.values");
174			const InterfaceVariableInfo	valueInfo	= getProgramInterfaceVariableInfo(gl, program.getProgram(), GL_UNIFORM, valueIndex);
175
176			gl.bindBuffer(GL_UNIFORM_BUFFER, *inputBuffer);
177			gl.bufferData(GL_UNIFORM_BUFFER, (glw::GLsizeiptr)blockInfo.dataSize, DE_NULL, GL_STATIC_DRAW);
178
179			{
180				const BufferMemMap bufMap(gl, GL_UNIFORM_BUFFER, 0, (int)blockInfo.dataSize, GL_MAP_WRITE_BIT);
181
182				for (deUint32 ndx = 0; ndx < de::min(valueInfo.arraySize, (deUint32)inputValues.size()); ndx++)
183					*(deUint32*)((deUint8*)bufMap.getPtr() + valueInfo.offset + ndx*valueInfo.arrayStride) = inputValues[ndx];
184			}
185
186			gl.uniformBlockBinding(program.getProgram(), blockIndex, 0);
187			gl.bindBufferBase(GL_UNIFORM_BUFFER, 0, *inputBuffer);
188			GLU_EXPECT_NO_ERROR(gl.getError(), "Input buffer setup failed");
189		}
190
191		// Output buffer setup
192		{
193			const deUint32		blockIndex		= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
194			const int			blockSize		= getProgramResourceInt(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
195
196			gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *outputBuffer);
197			gl.bufferData(GL_SHADER_STORAGE_BUFFER, blockSize, DE_NULL, GL_STREAM_READ);
198			gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, *outputBuffer);
199			GLU_EXPECT_NO_ERROR(gl.getError(), "Output buffer setup failed");
200		}
201
202		// Dispatch compute workload
203		gl.dispatchCompute(m_workSize[0], m_workSize[1], m_workSize[2]);
204		GLU_EXPECT_NO_ERROR(gl.getError(), "glDispatchCompute()");
205
206		// Read back and compare
207		{
208			const deUint32				blockIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
209			const int					blockSize	= getProgramResourceInt(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
210			const deUint32				valueIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_BUFFER_VARIABLE, "Output.values");
211			const InterfaceVariableInfo	valueInfo	= getProgramInterfaceVariableInfo(gl, program.getProgram(), GL_BUFFER_VARIABLE, valueIndex);
212			const BufferMemMap			bufMap		(gl, GL_SHADER_STORAGE_BUFFER, 0, blockSize, GL_MAP_READ_BIT);
213
214			TCU_CHECK(valueInfo.arraySize == (deUint32)inputValues.size());
215			for (deUint32 ndx = 0; ndx < valueInfo.arraySize; ndx++)
216			{
217				const deUint32	res		= *((const deUint32*)((const deUint8*)bufMap.getPtr() + valueInfo.offset + valueInfo.arrayStride*ndx));
218				const deUint32	ref		= ~inputValues[ndx];
219
220				if (res != ref)
221					throw tcu::TestError(string("Comparison failed for Output.values[") + de::toString(ndx) + "]");
222			}
223		}
224
225		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
226		return STOP;
227	}
228
229private:
230	const int			m_numValues;
231	const tcu::IVec3	m_localSize;
232	const tcu::IVec3	m_workSize;
233};
234
235class CopyInvertSSBOCase : public TestCase
236{
237public:
238	CopyInvertSSBOCase (Context& context, const char* name, const char* description, int numValues, const tcu::IVec3& localSize, const tcu::IVec3& workSize)
239		: TestCase		(context, name, description)
240		, m_numValues	(numValues)
241		, m_localSize	(localSize)
242		, m_workSize	(workSize)
243	{
244		DE_ASSERT(m_numValues % (m_workSize[0]*m_workSize[1]*m_workSize[2]*m_localSize[0]*m_localSize[1]*m_localSize[2]) == 0);
245	}
246
247	IterateResult iterate (void)
248	{
249		std::ostringstream src;
250		src << "#version 310 es\n"
251			<< "layout (local_size_x = " << m_localSize[0] << ", local_size_y = " << m_localSize[1] << ", local_size_z = " << m_localSize[2] << ") in;\n"
252			<< "layout(binding = 0) buffer Input {\n"
253			<< "    uint values[" << m_numValues << "];\n"
254			<< "} sb_in;\n"
255			<< "layout (binding = 1) buffer Output {\n"
256			<< "    uint values[" << m_numValues << "];\n"
257			<< "} sb_out;\n"
258			<< "void main (void) {\n"
259			<< "    uvec3 size           = gl_NumWorkGroups * gl_WorkGroupSize;\n"
260			<< "    uint numValuesPerInv = uint(sb_in.values.length()) / (size.x*size.y*size.z);\n"
261			<< "    uint groupNdx        = size.x*size.y*gl_GlobalInvocationID.z + size.x*gl_GlobalInvocationID.y + gl_GlobalInvocationID.x;\n"
262			<< "    uint offset          = numValuesPerInv*groupNdx;\n"
263			<< "\n"
264			<< "    for (uint ndx = 0u; ndx < numValuesPerInv; ndx++)\n"
265			<< "        sb_out.values[offset + ndx] = ~sb_in.values[offset + ndx];\n"
266			<< "}\n";
267
268		const glw::Functions&		gl				= m_context.getRenderContext().getFunctions();
269		const ShaderProgram			program			(m_context.getRenderContext(), ProgramSources() << ShaderSource(SHADERTYPE_COMPUTE, src.str()));
270		const Buffer				inputBuffer		(m_context.getRenderContext());
271		const Buffer				outputBuffer	(m_context.getRenderContext());
272		std::vector<deUint32>		inputValues		(m_numValues);
273
274		// Compute input values.
275		{
276			de::Random rnd(0x124fef);
277			for (int ndx = 0; ndx < (int)inputValues.size(); ndx++)
278				inputValues[ndx] = rnd.getUint32();
279		}
280
281		m_testCtx.getLog() << program;
282		if (!program.isOk())
283			TCU_FAIL("Compile failed");
284
285		m_testCtx.getLog() << TestLog::Message << "Work groups: " << m_workSize << TestLog::EndMessage;
286
287		gl.useProgram(program.getProgram());
288
289		// Input buffer setup
290		{
291			const deUint32				blockIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Input");
292			const InterfaceBlockInfo	blockInfo	= getProgramInterfaceBlockInfo(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex);
293			const deUint32				valueIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_BUFFER_VARIABLE, "Input.values");
294			const InterfaceVariableInfo	valueInfo	= getProgramInterfaceVariableInfo(gl, program.getProgram(), GL_BUFFER_VARIABLE, valueIndex);
295
296			gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *inputBuffer);
297			gl.bufferData(GL_SHADER_STORAGE_BUFFER, (glw::GLsizeiptr)blockInfo.dataSize, DE_NULL, GL_STATIC_DRAW);
298
299			TCU_CHECK(valueInfo.arraySize == (deUint32)inputValues.size());
300
301			{
302				const BufferMemMap bufMap(gl, GL_SHADER_STORAGE_BUFFER, 0, (int)blockInfo.dataSize, GL_MAP_WRITE_BIT);
303
304				for (deUint32 ndx = 0; ndx < (deUint32)inputValues.size(); ndx++)
305					*(deUint32*)((deUint8*)bufMap.getPtr() + valueInfo.offset + ndx*valueInfo.arrayStride) = inputValues[ndx];
306			}
307
308			gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, blockInfo.bufferBinding, *inputBuffer);
309			GLU_EXPECT_NO_ERROR(gl.getError(), "Input buffer setup failed");
310		}
311
312		// Output buffer setup
313		{
314			const deUint32				blockIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
315			const InterfaceBlockInfo	blockInfo	= getProgramInterfaceBlockInfo(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex);
316
317			gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *outputBuffer);
318			gl.bufferData(GL_SHADER_STORAGE_BUFFER, blockInfo.dataSize, DE_NULL, GL_STREAM_READ);
319			gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, blockInfo.bufferBinding, *outputBuffer);
320			GLU_EXPECT_NO_ERROR(gl.getError(), "Output buffer setup failed");
321		}
322
323		// Dispatch compute workload
324		gl.dispatchCompute(m_workSize[0], m_workSize[1], m_workSize[2]);
325		GLU_EXPECT_NO_ERROR(gl.getError(), "glDispatchCompute()");
326
327		// Read back and compare
328		{
329			const deUint32				blockIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
330			const int					blockSize	= getProgramResourceInt(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
331			const deUint32				valueIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_BUFFER_VARIABLE, "Output.values");
332			const InterfaceVariableInfo	valueInfo	= getProgramInterfaceVariableInfo(gl, program.getProgram(), GL_BUFFER_VARIABLE, valueIndex);
333			const BufferMemMap			bufMap		(gl, GL_SHADER_STORAGE_BUFFER, 0, blockSize, GL_MAP_READ_BIT);
334
335			TCU_CHECK(valueInfo.arraySize == (deUint32)inputValues.size());
336			for (deUint32 ndx = 0; ndx < valueInfo.arraySize; ndx++)
337			{
338				const deUint32	res		= *((const deUint32*)((const deUint8*)bufMap.getPtr() + valueInfo.offset + valueInfo.arrayStride*ndx));
339				const deUint32	ref		= ~inputValues[ndx];
340
341				if (res != ref)
342					throw tcu::TestError(string("Comparison failed for Output.values[") + de::toString(ndx) + "]");
343			}
344		}
345
346		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
347		return STOP;
348	}
349
350private:
351	const int			m_numValues;
352	const tcu::IVec3	m_localSize;
353	const tcu::IVec3	m_workSize;
354};
355
356class InvertSSBOInPlaceCase : public TestCase
357{
358public:
359	InvertSSBOInPlaceCase (Context& context, const char* name, const char* description, int numValues, bool isSized, const tcu::IVec3& localSize, const tcu::IVec3& workSize)
360		: TestCase		(context, name, description)
361		, m_numValues	(numValues)
362		, m_isSized		(isSized)
363		, m_localSize	(localSize)
364		, m_workSize	(workSize)
365	{
366		DE_ASSERT(m_numValues % (m_workSize[0]*m_workSize[1]*m_workSize[2]*m_localSize[0]*m_localSize[1]*m_localSize[2]) == 0);
367	}
368
369	IterateResult iterate (void)
370	{
371		std::ostringstream src;
372		src << "#version 310 es\n"
373			<< "layout (local_size_x = " << m_localSize[0] << ", local_size_y = " << m_localSize[1] << ", local_size_z = " << m_localSize[2] << ") in;\n"
374			<< "layout(binding = 0) buffer InOut {\n"
375			<< "    uint values[" << (m_isSized ? de::toString(m_numValues) : string("")) << "];\n"
376			<< "} sb_inout;\n"
377			<< "void main (void) {\n"
378			<< "    uvec3 size           = gl_NumWorkGroups * gl_WorkGroupSize;\n"
379			<< "    uint numValuesPerInv = uint(sb_inout.values.length()) / (size.x*size.y*size.z);\n"
380			<< "    uint groupNdx        = size.x*size.y*gl_GlobalInvocationID.z + size.x*gl_GlobalInvocationID.y + gl_GlobalInvocationID.x;\n"
381			<< "    uint offset          = numValuesPerInv*groupNdx;\n"
382			<< "\n"
383			<< "    for (uint ndx = 0u; ndx < numValuesPerInv; ndx++)\n"
384			<< "        sb_inout.values[offset + ndx] = ~sb_inout.values[offset + ndx];\n"
385			<< "}\n";
386
387		const glw::Functions&		gl				= m_context.getRenderContext().getFunctions();
388		const ShaderProgram			program			(m_context.getRenderContext(), ProgramSources() << ShaderSource(SHADERTYPE_COMPUTE, src.str()));
389
390		m_testCtx.getLog() << program;
391		if (!program.isOk())
392			TCU_FAIL("Compile failed");
393
394		const Buffer				outputBuffer	(m_context.getRenderContext());
395		const deUint32				valueIndex		= gl.getProgramResourceIndex(program.getProgram(), GL_BUFFER_VARIABLE, "InOut.values");
396		const InterfaceVariableInfo	valueInfo		= getProgramInterfaceVariableInfo(gl, program.getProgram(), GL_BUFFER_VARIABLE, valueIndex);
397		const deUint32				blockSize		= valueInfo.arrayStride*(deUint32)m_numValues;
398		std::vector<deUint32>		inputValues		(m_numValues);
399
400		// Compute input values.
401		{
402			de::Random rnd(0x82ce7f);
403			for (int ndx = 0; ndx < (int)inputValues.size(); ndx++)
404				inputValues[ndx] = rnd.getUint32();
405		}
406
407		TCU_CHECK(valueInfo.arraySize == (deUint32)(m_isSized ? m_numValues : 0));
408
409		m_testCtx.getLog() << TestLog::Message << "Work groups: " << m_workSize << TestLog::EndMessage;
410
411		gl.useProgram(program.getProgram());
412
413		// Output buffer setup
414		{
415			gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *outputBuffer);
416			gl.bufferData(GL_SHADER_STORAGE_BUFFER, blockSize, DE_NULL, GL_STREAM_DRAW);
417
418			{
419				const BufferMemMap bufMap(gl, GL_SHADER_STORAGE_BUFFER, 0, (int)blockSize, GL_MAP_WRITE_BIT);
420
421				for (deUint32 ndx = 0; ndx < (deUint32)inputValues.size(); ndx++)
422					*(deUint32*)((deUint8*)bufMap.getPtr() + valueInfo.offset + ndx*valueInfo.arrayStride) = inputValues[ndx];
423			}
424
425			gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, *outputBuffer);
426			GLU_EXPECT_NO_ERROR(gl.getError(), "Buffer setup failed");
427		}
428
429		// Dispatch compute workload
430		gl.dispatchCompute(m_workSize[0], m_workSize[1], m_workSize[2]);
431		GLU_EXPECT_NO_ERROR(gl.getError(), "glDispatchCompute()");
432
433		// Read back and compare
434		{
435			const BufferMemMap bufMap(gl, GL_SHADER_STORAGE_BUFFER, 0, blockSize, GL_MAP_READ_BIT);
436
437			for (deUint32 ndx = 0; ndx < (deUint32)inputValues.size(); ndx++)
438			{
439				const deUint32	res		= *((const deUint32*)((const deUint8*)bufMap.getPtr() + valueInfo.offset + valueInfo.arrayStride*ndx));
440				const deUint32	ref		= ~inputValues[ndx];
441
442				if (res != ref)
443					throw tcu::TestError(string("Comparison failed for InOut.values[") + de::toString(ndx) + "]");
444			}
445		}
446
447		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
448		return STOP;
449	}
450
451private:
452	const int			m_numValues;
453	const bool			m_isSized;
454	const tcu::IVec3	m_localSize;
455	const tcu::IVec3	m_workSize;
456};
457
458class WriteToMultipleSSBOCase : public TestCase
459{
460public:
461	WriteToMultipleSSBOCase (Context& context, const char* name, const char* description, int numValues, bool isSized, const tcu::IVec3& localSize, const tcu::IVec3& workSize)
462		: TestCase		(context, name, description)
463		, m_numValues	(numValues)
464		, m_isSized		(isSized)
465		, m_localSize	(localSize)
466		, m_workSize	(workSize)
467	{
468		DE_ASSERT(m_numValues % (m_workSize[0]*m_workSize[1]*m_workSize[2]*m_localSize[0]*m_localSize[1]*m_localSize[2]) == 0);
469	}
470
471	IterateResult iterate (void)
472	{
473		std::ostringstream src;
474		src << "#version 310 es\n"
475			<< "layout (local_size_x = " << m_localSize[0] << ", local_size_y = " << m_localSize[1] << ", local_size_z = " << m_localSize[2] << ") in;\n"
476			<< "layout(binding = 0) buffer Out0 {\n"
477			<< "    uint values[" << (m_isSized ? de::toString(m_numValues) : string("")) << "];\n"
478			<< "} sb_out0;\n"
479			<< "layout(binding = 1) buffer Out1 {\n"
480			<< "    uint values[" << (m_isSized ? de::toString(m_numValues) : string("")) << "];\n"
481			<< "} sb_out1;\n"
482			<< "void main (void) {\n"
483			<< "    uvec3 size      = gl_NumWorkGroups * gl_WorkGroupSize;\n"
484			<< "    uint groupNdx   = size.x*size.y*gl_GlobalInvocationID.z + size.x*gl_GlobalInvocationID.y + gl_GlobalInvocationID.x;\n"
485			<< "\n"
486			<< "    {\n"
487			<< "        uint numValuesPerInv = uint(sb_out0.values.length()) / (size.x*size.y*size.z);\n"
488			<< "        uint offset          = numValuesPerInv*groupNdx;\n"
489			<< "\n"
490			<< "        for (uint ndx = 0u; ndx < numValuesPerInv; ndx++)\n"
491			<< "            sb_out0.values[offset + ndx] = offset + ndx;\n"
492			<< "    }\n"
493			<< "    {\n"
494			<< "        uint numValuesPerInv = uint(sb_out1.values.length()) / (size.x*size.y*size.z);\n"
495			<< "        uint offset          = numValuesPerInv*groupNdx;\n"
496			<< "\n"
497			<< "        for (uint ndx = 0u; ndx < numValuesPerInv; ndx++)\n"
498			<< "            sb_out1.values[offset + ndx] = uint(sb_out1.values.length()) - offset - ndx;\n"
499			<< "    }\n"
500			<< "}\n";
501
502		const glw::Functions&		gl				= m_context.getRenderContext().getFunctions();
503		const ShaderProgram			program			(m_context.getRenderContext(), ProgramSources() << ShaderSource(SHADERTYPE_COMPUTE, src.str()));
504
505		m_testCtx.getLog() << program;
506		if (!program.isOk())
507			TCU_FAIL("Compile failed");
508
509		const Buffer				outputBuffer0	(m_context.getRenderContext());
510		const deUint32				value0Index		= gl.getProgramResourceIndex(program.getProgram(), GL_BUFFER_VARIABLE, "Out0.values");
511		const InterfaceVariableInfo	value0Info		= getProgramInterfaceVariableInfo(gl, program.getProgram(), GL_BUFFER_VARIABLE, value0Index);
512		const deUint32				block0Size		= value0Info.arrayStride*(deUint32)m_numValues;
513
514		const Buffer				outputBuffer1	(m_context.getRenderContext());
515		const deUint32				value1Index		= gl.getProgramResourceIndex(program.getProgram(), GL_BUFFER_VARIABLE, "Out1.values");
516		const InterfaceVariableInfo	value1Info		= getProgramInterfaceVariableInfo(gl, program.getProgram(), GL_BUFFER_VARIABLE, value1Index);
517		const deUint32				block1Size		= value1Info.arrayStride*(deUint32)m_numValues;
518
519		TCU_CHECK(value0Info.arraySize == (deUint32)(m_isSized ? m_numValues : 0));
520		TCU_CHECK(value1Info.arraySize == (deUint32)(m_isSized ? m_numValues : 0));
521
522		m_testCtx.getLog() << TestLog::Message << "Work groups: " << m_workSize << TestLog::EndMessage;
523
524		gl.useProgram(program.getProgram());
525
526		// Output buffer setup
527		{
528			gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *outputBuffer0);
529			gl.bufferData(GL_SHADER_STORAGE_BUFFER, block0Size, DE_NULL, GL_STREAM_DRAW);
530
531			gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, *outputBuffer0);
532			GLU_EXPECT_NO_ERROR(gl.getError(), "Buffer setup failed");
533		}
534		{
535			gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *outputBuffer1);
536			gl.bufferData(GL_SHADER_STORAGE_BUFFER, block1Size, DE_NULL, GL_STREAM_DRAW);
537
538			gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, *outputBuffer1);
539			GLU_EXPECT_NO_ERROR(gl.getError(), "Buffer setup failed");
540		}
541
542		// Dispatch compute workload
543		gl.dispatchCompute(m_workSize[0], m_workSize[1], m_workSize[2]);
544		GLU_EXPECT_NO_ERROR(gl.getError(), "glDispatchCompute()");
545
546		// Read back and compare
547		gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *outputBuffer0);
548		{
549			const BufferMemMap bufMap(gl, GL_SHADER_STORAGE_BUFFER, 0, block0Size, GL_MAP_READ_BIT);
550
551			for (deUint32 ndx = 0; ndx < (deUint32)m_numValues; ndx++)
552			{
553				const deUint32	res		= *((const deUint32*)((const deUint8*)bufMap.getPtr() + value0Info.offset + value0Info.arrayStride*ndx));
554				const deUint32	ref		= ndx;
555
556				if (res != ref)
557					throw tcu::TestError(string("Comparison failed for Out0.values[") + de::toString(ndx) + "] res=" + de::toString(res) + " ref=" + de::toString(ref));
558			}
559		}
560		gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *outputBuffer1);
561		{
562			const BufferMemMap bufMap(gl, GL_SHADER_STORAGE_BUFFER, 0, block1Size, GL_MAP_READ_BIT);
563
564			for (deUint32 ndx = 0; ndx < (deUint32)m_numValues; ndx++)
565			{
566				const deUint32	res		= *((const deUint32*)((const deUint8*)bufMap.getPtr() + value1Info.offset + value1Info.arrayStride*ndx));
567				const deUint32	ref		= m_numValues - ndx;
568
569				if (res != ref)
570					throw tcu::TestError(string("Comparison failed for Out1.values[") + de::toString(ndx) + "] res=" + de::toString(res) + " ref=" + de::toString(ref));
571			}
572		}
573		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
574		return STOP;
575	}
576
577private:
578	const int			m_numValues;
579	const bool			m_isSized;
580	const tcu::IVec3	m_localSize;
581	const tcu::IVec3	m_workSize;
582};
583
584class SSBOLocalBarrierCase : public TestCase
585{
586public:
587	SSBOLocalBarrierCase (Context& context, const char* name, const char* description, const tcu::IVec3& localSize, const tcu::IVec3& workSize)
588		: TestCase		(context, name, description)
589		, m_localSize	(localSize)
590		, m_workSize	(workSize)
591	{
592	}
593
594	IterateResult iterate (void)
595	{
596		const glw::Functions&		gl				= m_context.getRenderContext().getFunctions();
597		const Buffer				outputBuffer	(m_context.getRenderContext());
598		const int					workGroupSize	= m_localSize[0]*m_localSize[1]*m_localSize[2];
599		const int					workGroupCount	= m_workSize[0]*m_workSize[1]*m_workSize[2];
600		const int					numValues		= workGroupSize*workGroupCount;
601
602		std::ostringstream src;
603		src << "#version 310 es\n"
604			<< "layout (local_size_x = " << m_localSize[0] << ", local_size_y = " << m_localSize[1] << ", local_size_z = " << m_localSize[2] << ") in;\n"
605			<< "layout(binding = 0) buffer Output {\n"
606			<< "    coherent uint values[" << numValues << "];\n"
607			<< "} sb_out;\n\n"
608			<< "shared uint offsets[" << workGroupSize << "];\n\n"
609			<< "void main (void) {\n"
610			<< "    uint localSize  = gl_WorkGroupSize.x*gl_WorkGroupSize.y*gl_WorkGroupSize.z;\n"
611			<< "    uint globalNdx  = gl_NumWorkGroups.x*gl_NumWorkGroups.y*gl_WorkGroupID.z + gl_NumWorkGroups.x*gl_WorkGroupID.y + gl_WorkGroupID.x;\n"
612			<< "    uint globalOffs = localSize*globalNdx;\n"
613			<< "    uint localOffs  = gl_WorkGroupSize.x*gl_WorkGroupSize.y*gl_LocalInvocationID.z + gl_WorkGroupSize.x*gl_LocalInvocationID.y + gl_LocalInvocationID.x;\n"
614			<< "\n"
615			<< "    sb_out.values[globalOffs + localOffs] = globalOffs;\n"
616			<< "    memoryBarrierBuffer();\n"
617			<< "    barrier();\n"
618			<< "    sb_out.values[globalOffs + ((localOffs+1u)%localSize)] += localOffs;\n"
619			<< "    memoryBarrierBuffer();\n"
620			<< "    barrier();\n"
621			<< "    sb_out.values[globalOffs + ((localOffs+2u)%localSize)] += localOffs;\n"
622			<< "}\n";
623
624		const ShaderProgram			program			(m_context.getRenderContext(), ProgramSources() << ComputeSource(src.str()));
625
626		m_testCtx.getLog() << program;
627		if (!program.isOk())
628			TCU_FAIL("Compile failed");
629
630		m_testCtx.getLog() << TestLog::Message << "Work groups: " << m_workSize << TestLog::EndMessage;
631
632		gl.useProgram(program.getProgram());
633
634		// Output buffer setup
635		{
636			const deUint32		blockIndex		= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
637			const int			blockSize		= getProgramResourceInt(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
638
639			gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *outputBuffer);
640			gl.bufferData(GL_SHADER_STORAGE_BUFFER, blockSize, DE_NULL, GL_STREAM_READ);
641			gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, *outputBuffer);
642			GLU_EXPECT_NO_ERROR(gl.getError(), "Output buffer setup failed");
643		}
644
645		// Dispatch compute workload
646		gl.dispatchCompute(m_workSize[0], m_workSize[1], m_workSize[2]);
647		GLU_EXPECT_NO_ERROR(gl.getError(), "glDispatchCompute()");
648
649		// Read back and compare
650		{
651			const deUint32				blockIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
652			const int					blockSize	= getProgramResourceInt(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
653			const deUint32				valueIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_BUFFER_VARIABLE, "Output.values");
654			const InterfaceVariableInfo	valueInfo	= getProgramInterfaceVariableInfo(gl, program.getProgram(), GL_BUFFER_VARIABLE, valueIndex);
655			const BufferMemMap			bufMap		(gl, GL_SHADER_STORAGE_BUFFER, 0, blockSize, GL_MAP_READ_BIT);
656
657			for (int groupNdx = 0; groupNdx < workGroupCount; groupNdx++)
658			{
659				for (int localOffs = 0; localOffs < workGroupSize; localOffs++)
660				{
661					const int		globalOffs	= groupNdx*workGroupSize;
662					const deUint32	res			= *((const deUint32*)((const deUint8*)bufMap.getPtr() + valueInfo.offset + valueInfo.arrayStride*(globalOffs + localOffs)));
663					const int		offs0		= localOffs-1 < 0 ? ((localOffs+workGroupSize-1)%workGroupSize) : ((localOffs-1)%workGroupSize);
664					const int		offs1		= localOffs-2 < 0 ? ((localOffs+workGroupSize-2)%workGroupSize) : ((localOffs-2)%workGroupSize);
665					const deUint32	ref			= (deUint32)(globalOffs + offs0 + offs1);
666
667					if (res != ref)
668						throw tcu::TestError(string("Comparison failed for Output.values[") + de::toString(globalOffs + localOffs) + "]");
669				}
670			}
671		}
672
673		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
674		return STOP;
675	}
676
677private:
678	const tcu::IVec3	m_localSize;
679	const tcu::IVec3	m_workSize;
680};
681
682class SSBOBarrierCase : public TestCase
683{
684public:
685	SSBOBarrierCase (Context& context, const char* name, const char* description, const tcu::IVec3& workSize)
686		: TestCase		(context, name, description)
687		, m_workSize	(workSize)
688	{
689	}
690
691	IterateResult iterate (void)
692	{
693		const ShaderProgram program0(m_context.getRenderContext(), ProgramSources() <<
694			ComputeSource("#version 310 es\n"
695						  "layout (local_size_x = 1) in;\n"
696						  "uniform uint u_baseVal;\n"
697						  "layout(binding = 1) buffer Output {\n"
698						  "    uint values[];\n"
699						  "};\n"
700						  "void main (void) {\n"
701						  "    uint offset = gl_NumWorkGroups.x*gl_NumWorkGroups.y*gl_WorkGroupID.z + gl_NumWorkGroups.x*gl_WorkGroupID.y + gl_WorkGroupID.x;\n"
702						  "    values[offset] = u_baseVal+offset;\n"
703						  "}\n"));
704		const ShaderProgram program1(m_context.getRenderContext(), ProgramSources() <<
705			ComputeSource("#version 310 es\n"
706						  "layout (local_size_x = 1) in;\n"
707						  "uniform uint u_baseVal;\n"
708						  "layout(binding = 1) buffer Input {\n"
709						  "    uint values[];\n"
710						  "};\n"
711						  "layout(binding = 0) buffer Output {\n"
712						  "    coherent uint sum;\n"
713						  "};\n"
714						  "void main (void) {\n"
715						  "    uint offset = gl_NumWorkGroups.x*gl_NumWorkGroups.y*gl_WorkGroupID.z + gl_NumWorkGroups.x*gl_WorkGroupID.y + gl_WorkGroupID.x;\n"
716						  "    uint value  = values[offset];\n"
717						  "    atomicAdd(sum, value);\n"
718						  "}\n"));
719
720		const glw::Functions&		gl				= m_context.getRenderContext().getFunctions();
721		const Buffer				tempBuffer		(m_context.getRenderContext());
722		const Buffer				outputBuffer	(m_context.getRenderContext());
723		const deUint32				baseValue		= 127;
724
725		m_testCtx.getLog() << program0 << program1;
726		if (!program0.isOk() || !program1.isOk())
727			TCU_FAIL("Compile failed");
728
729		m_testCtx.getLog() << TestLog::Message << "Work groups: " << m_workSize << TestLog::EndMessage;
730
731		// Temp buffer setup
732		{
733			const deUint32				valueIndex		= gl.getProgramResourceIndex(program0.getProgram(), GL_BUFFER_VARIABLE, "values[0]");
734			const InterfaceVariableInfo	valueInfo		= getProgramInterfaceVariableInfo(gl, program0.getProgram(), GL_BUFFER_VARIABLE, valueIndex);
735			const deUint32				bufferSize		= valueInfo.arrayStride*m_workSize[0]*m_workSize[1]*m_workSize[2];
736
737			gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *tempBuffer);
738			gl.bufferData(GL_SHADER_STORAGE_BUFFER, (glw::GLsizeiptr)bufferSize, DE_NULL, GL_STATIC_DRAW);
739			gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, *tempBuffer);
740			GLU_EXPECT_NO_ERROR(gl.getError(), "Temp buffer setup failed");
741		}
742
743		// Output buffer setup
744		{
745			const deUint32		blockIndex		= gl.getProgramResourceIndex(program1.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
746			const int			blockSize		= getProgramResourceInt(gl, program1.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
747
748			gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *outputBuffer);
749			gl.bufferData(GL_SHADER_STORAGE_BUFFER, blockSize, DE_NULL, GL_STREAM_READ);
750
751			{
752				const BufferMemMap bufMap(gl, GL_SHADER_STORAGE_BUFFER, 0, blockSize, GL_MAP_WRITE_BIT);
753				deMemset(bufMap.getPtr(), 0, blockSize);
754			}
755
756			gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, *outputBuffer);
757			GLU_EXPECT_NO_ERROR(gl.getError(), "Output buffer setup failed");
758		}
759
760		// Dispatch compute workload
761		gl.useProgram(program0.getProgram());
762		gl.uniform1ui(gl.getUniformLocation(program0.getProgram(), "u_baseVal"), baseValue);
763		gl.dispatchCompute(m_workSize[0], m_workSize[1], m_workSize[2]);
764		gl.memoryBarrier(GL_SHADER_STORAGE_BARRIER_BIT);
765		gl.useProgram(program1.getProgram());
766		gl.dispatchCompute(m_workSize[0], m_workSize[1], m_workSize[2]);
767		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to dispatch commands");
768
769		// Read back and compare
770		{
771			const deUint32				blockIndex	= gl.getProgramResourceIndex(program1.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
772			const int					blockSize	= getProgramResourceInt(gl, program1.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
773			const deUint32				valueIndex	= gl.getProgramResourceIndex(program1.getProgram(), GL_BUFFER_VARIABLE, "sum");
774			const InterfaceVariableInfo	valueInfo	= getProgramInterfaceVariableInfo(gl, program1.getProgram(), GL_BUFFER_VARIABLE, valueIndex);
775			const BufferMemMap			bufMap		(gl, GL_SHADER_STORAGE_BUFFER, 0, blockSize, GL_MAP_READ_BIT);
776
777			const deUint32				res			= *((const deUint32*)((const deUint8*)bufMap.getPtr() + valueInfo.offset));
778			deUint32					ref			= 0;
779
780			for (int ndx = 0; ndx < m_workSize[0]*m_workSize[1]*m_workSize[2]; ndx++)
781				ref += baseValue + (deUint32)ndx;
782
783			if (res != ref)
784			{
785				m_testCtx.getLog() << TestLog::Message << "ERROR: comparison failed, expected " << ref << ", got " << res << TestLog::EndMessage;
786				throw tcu::TestError("Comparison failed");
787			}
788		}
789
790		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
791		return STOP;
792	}
793
794private:
795	const tcu::IVec3	m_workSize;
796};
797
798class BasicSharedVarCase : public TestCase
799{
800public:
801	BasicSharedVarCase (Context& context, const char* name, const char* description, const tcu::IVec3& localSize, const tcu::IVec3& workSize)
802		: TestCase		(context, name, description)
803		, m_localSize	(localSize)
804		, m_workSize	(workSize)
805	{
806	}
807
808	IterateResult iterate (void)
809	{
810		const glw::Functions&		gl				= m_context.getRenderContext().getFunctions();
811		const Buffer				outputBuffer	(m_context.getRenderContext());
812		const int					workGroupSize	= m_localSize[0]*m_localSize[1]*m_localSize[2];
813		const int					workGroupCount	= m_workSize[0]*m_workSize[1]*m_workSize[2];
814		const int					numValues		= workGroupSize*workGroupCount;
815
816		std::ostringstream src;
817		src << "#version 310 es\n"
818			<< "layout (local_size_x = " << m_localSize[0] << ", local_size_y = " << m_localSize[1] << ", local_size_z = " << m_localSize[2] << ") in;\n"
819			<< "layout(binding = 0) buffer Output {\n"
820			<< "    uint values[" << numValues << "];\n"
821			<< "} sb_out;\n\n"
822			<< "shared uint offsets[" << workGroupSize << "];\n\n"
823			<< "void main (void) {\n"
824			<< "    uint localSize  = gl_WorkGroupSize.x*gl_WorkGroupSize.y*gl_WorkGroupSize.z;\n"
825			<< "    uint globalNdx  = gl_NumWorkGroups.x*gl_NumWorkGroups.y*gl_WorkGroupID.z + gl_NumWorkGroups.x*gl_WorkGroupID.y + gl_WorkGroupID.x;\n"
826			<< "    uint globalOffs = localSize*globalNdx;\n"
827			<< "    uint localOffs  = gl_WorkGroupSize.x*gl_WorkGroupSize.y*gl_LocalInvocationID.z + gl_WorkGroupSize.x*gl_LocalInvocationID.y + gl_LocalInvocationID.x;\n"
828			<< "\n"
829			<< "    offsets[localSize-localOffs-1u] = globalOffs + localOffs*localOffs;\n"
830			<< "    barrier();\n"
831			<< "    sb_out.values[globalOffs + localOffs] = offsets[localOffs];\n"
832			<< "}\n";
833
834		const ShaderProgram			program			(m_context.getRenderContext(), ProgramSources() << ShaderSource(SHADERTYPE_COMPUTE, src.str()));
835
836		m_testCtx.getLog() << program;
837		if (!program.isOk())
838			TCU_FAIL("Compile failed");
839
840		m_testCtx.getLog() << TestLog::Message << "Work groups: " << m_workSize << TestLog::EndMessage;
841
842		gl.useProgram(program.getProgram());
843
844		// Output buffer setup
845		{
846			const deUint32		blockIndex		= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
847			const int			blockSize		= getProgramResourceInt(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
848
849			gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *outputBuffer);
850			gl.bufferData(GL_SHADER_STORAGE_BUFFER, blockSize, DE_NULL, GL_STREAM_READ);
851			gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, *outputBuffer);
852			GLU_EXPECT_NO_ERROR(gl.getError(), "Output buffer setup failed");
853		}
854
855		// Dispatch compute workload
856		gl.dispatchCompute(m_workSize[0], m_workSize[1], m_workSize[2]);
857		GLU_EXPECT_NO_ERROR(gl.getError(), "glDispatchCompute()");
858
859		// Read back and compare
860		{
861			const deUint32				blockIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
862			const int					blockSize	= getProgramResourceInt(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
863			const deUint32				valueIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_BUFFER_VARIABLE, "Output.values");
864			const InterfaceVariableInfo	valueInfo	= getProgramInterfaceVariableInfo(gl, program.getProgram(), GL_BUFFER_VARIABLE, valueIndex);
865			const BufferMemMap			bufMap		(gl, GL_SHADER_STORAGE_BUFFER, 0, blockSize, GL_MAP_READ_BIT);
866
867			for (int groupNdx = 0; groupNdx < workGroupCount; groupNdx++)
868			{
869				for (int localOffs = 0; localOffs < workGroupSize; localOffs++)
870				{
871					const int		globalOffs	= groupNdx*workGroupSize;
872					const deUint32	res			= *((const deUint32*)((const deUint8*)bufMap.getPtr() + valueInfo.offset + valueInfo.arrayStride*(globalOffs + localOffs)));
873					const deUint32	ref			= (deUint32)(globalOffs + (workGroupSize-localOffs-1)*(workGroupSize-localOffs-1));
874
875					if (res != ref)
876						throw tcu::TestError(string("Comparison failed for Output.values[") + de::toString(globalOffs + localOffs) + "]");
877				}
878			}
879		}
880
881		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
882		return STOP;
883	}
884
885private:
886	const tcu::IVec3	m_localSize;
887	const tcu::IVec3	m_workSize;
888};
889
890class SharedVarAtomicOpCase : public TestCase
891{
892public:
893	SharedVarAtomicOpCase (Context& context, const char* name, const char* description, const tcu::IVec3& localSize, const tcu::IVec3& workSize)
894		: TestCase		(context, name, description)
895		, m_localSize	(localSize)
896		, m_workSize	(workSize)
897	{
898	}
899
900	IterateResult iterate (void)
901	{
902		const glw::Functions&		gl				= m_context.getRenderContext().getFunctions();
903		const Buffer				outputBuffer	(m_context.getRenderContext());
904		const int					workGroupSize	= m_localSize[0]*m_localSize[1]*m_localSize[2];
905		const int					workGroupCount	= m_workSize[0]*m_workSize[1]*m_workSize[2];
906		const int					numValues		= workGroupSize*workGroupCount;
907
908		std::ostringstream src;
909		src << "#version 310 es\n"
910			<< "layout (local_size_x = " << m_localSize[0] << ", local_size_y = " << m_localSize[1] << ", local_size_z = " << m_localSize[2] << ") in;\n"
911			<< "layout(binding = 0) buffer Output {\n"
912			<< "    uint values[" << numValues << "];\n"
913			<< "} sb_out;\n\n"
914			<< "shared uint count;\n\n"
915			<< "void main (void) {\n"
916			<< "    uint localSize  = gl_WorkGroupSize.x*gl_WorkGroupSize.y*gl_WorkGroupSize.z;\n"
917			<< "    uint globalNdx  = gl_NumWorkGroups.x*gl_NumWorkGroups.y*gl_WorkGroupID.z + gl_NumWorkGroups.x*gl_WorkGroupID.y + gl_WorkGroupID.x;\n"
918			<< "    uint globalOffs = localSize*globalNdx;\n"
919			<< "\n"
920			<< "    count = 0u;\n"
921			<< "    barrier();\n"
922			<< "    uint oldVal = atomicAdd(count, 1u);\n"
923			<< "    sb_out.values[globalOffs+oldVal] = oldVal+1u;\n"
924			<< "}\n";
925
926		const ShaderProgram			program			(m_context.getRenderContext(), ProgramSources() << ShaderSource(SHADERTYPE_COMPUTE, src.str()));
927
928		m_testCtx.getLog() << program;
929		if (!program.isOk())
930			TCU_FAIL("Compile failed");
931
932		m_testCtx.getLog() << TestLog::Message << "Work groups: " << m_workSize << TestLog::EndMessage;
933
934		gl.useProgram(program.getProgram());
935
936		// Output buffer setup
937		{
938			const deUint32		blockIndex		= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
939			const int			blockSize		= getProgramResourceInt(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
940
941			gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *outputBuffer);
942			gl.bufferData(GL_SHADER_STORAGE_BUFFER, blockSize, DE_NULL, GL_STREAM_READ);
943			gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, *outputBuffer);
944			GLU_EXPECT_NO_ERROR(gl.getError(), "Output buffer setup failed");
945		}
946
947		// Dispatch compute workload
948		gl.dispatchCompute(m_workSize[0], m_workSize[1], m_workSize[2]);
949		GLU_EXPECT_NO_ERROR(gl.getError(), "glDispatchCompute()");
950
951		// Read back and compare
952		{
953			const deUint32				blockIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
954			const int					blockSize	= getProgramResourceInt(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
955			const deUint32				valueIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_BUFFER_VARIABLE, "Output.values");
956			const InterfaceVariableInfo	valueInfo	= getProgramInterfaceVariableInfo(gl, program.getProgram(), GL_BUFFER_VARIABLE, valueIndex);
957			const BufferMemMap			bufMap		(gl, GL_SHADER_STORAGE_BUFFER, 0, blockSize, GL_MAP_READ_BIT);
958
959			for (int groupNdx = 0; groupNdx < workGroupCount; groupNdx++)
960			{
961				for (int localOffs = 0; localOffs < workGroupSize; localOffs++)
962				{
963					const int		globalOffs	= groupNdx*workGroupSize;
964					const deUint32	res			= *((const deUint32*)((const deUint8*)bufMap.getPtr() + valueInfo.offset + valueInfo.arrayStride*(globalOffs + localOffs)));
965					const deUint32	ref			= (deUint32)(localOffs+1);
966
967					if (res != ref)
968						throw tcu::TestError(string("Comparison failed for Output.values[") + de::toString(globalOffs + localOffs) + "]");
969				}
970			}
971		}
972
973		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
974		return STOP;
975	}
976
977private:
978	const tcu::IVec3	m_localSize;
979	const tcu::IVec3	m_workSize;
980};
981
982class CopyImageToSSBOCase : public TestCase
983{
984public:
985	CopyImageToSSBOCase (Context& context, const char* name, const char* description, const tcu::IVec2& localSize, const tcu::IVec2& imageSize)
986		: TestCase		(context, name, description)
987		, m_localSize	(localSize)
988		, m_imageSize	(imageSize)
989	{
990		DE_ASSERT(m_imageSize[0] % m_localSize[0] == 0);
991		DE_ASSERT(m_imageSize[1] % m_localSize[1] == 0);
992	}
993
994	IterateResult iterate (void)
995	{
996
997		std::ostringstream src;
998		src << "#version 310 es\n"
999			<< "layout (local_size_x = " << m_localSize[0] << ", local_size_y = " << m_localSize[1] << ") in;\n"
1000			<< "layout(r32ui, binding = 1) readonly uniform highp uimage2D u_srcImg;\n"
1001			<< "layout(binding = 0) buffer Output {\n"
1002			<< "    uint values[" << (m_imageSize[0]*m_imageSize[1]) << "];\n"
1003			<< "} sb_out;\n\n"
1004			<< "void main (void) {\n"
1005			<< "    uint stride = gl_NumWorkGroups.x*gl_WorkGroupSize.x;\n"
1006			<< "    uint value  = imageLoad(u_srcImg, ivec2(gl_GlobalInvocationID.xy)).x;\n"
1007			<< "    sb_out.values[gl_GlobalInvocationID.y*stride + gl_GlobalInvocationID.x] = value;\n"
1008			<< "}\n";
1009
1010		const glw::Functions&		gl				= m_context.getRenderContext().getFunctions();
1011		const Buffer				outputBuffer	(m_context.getRenderContext());
1012		const Texture				inputTexture	(m_context.getRenderContext());
1013		const ShaderProgram			program			(m_context.getRenderContext(), ProgramSources() << ShaderSource(SHADERTYPE_COMPUTE, src.str()));
1014		const tcu::IVec2			workSize		= m_imageSize / m_localSize;
1015		de::Random					rnd				(0xab2c7);
1016		vector<deUint32>			inputValues		(m_imageSize[0]*m_imageSize[1]);
1017
1018		m_testCtx.getLog() << program;
1019		if (!program.isOk())
1020			TCU_FAIL("Compile failed");
1021
1022		m_testCtx.getLog() << TestLog::Message << "Work groups: " << workSize << TestLog::EndMessage;
1023
1024		gl.useProgram(program.getProgram());
1025
1026		// Input values
1027		for (vector<deUint32>::iterator i = inputValues.begin(); i != inputValues.end(); ++i)
1028			*i = rnd.getUint32();
1029
1030		// Input image setup
1031		gl.bindTexture(GL_TEXTURE_2D, *inputTexture);
1032		gl.texStorage2D(GL_TEXTURE_2D, 1, GL_R32UI, m_imageSize[0], m_imageSize[1]);
1033		gl.texSubImage2D(GL_TEXTURE_2D, 0, 0, 0, m_imageSize[0], m_imageSize[1], GL_RED_INTEGER, GL_UNSIGNED_INT, &inputValues[0]);
1034		gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
1035		gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1036		GLU_EXPECT_NO_ERROR(gl.getError(), "Uploading image data failed");
1037
1038		// Bind to unit 1
1039		gl.bindImageTexture(1, *inputTexture, 0, GL_FALSE, 0, GL_READ_ONLY, GL_R32UI);
1040		GLU_EXPECT_NO_ERROR(gl.getError(), "Image setup failed");
1041
1042		// Output buffer setup
1043		{
1044			const deUint32		blockIndex		= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
1045			const int			blockSize		= getProgramResourceInt(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
1046
1047			gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *outputBuffer);
1048			gl.bufferData(GL_SHADER_STORAGE_BUFFER, blockSize, DE_NULL, GL_STREAM_READ);
1049			gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, *outputBuffer);
1050			GLU_EXPECT_NO_ERROR(gl.getError(), "Output buffer setup failed");
1051		}
1052
1053		// Dispatch compute workload
1054		gl.dispatchCompute(workSize[0], workSize[1], 1);
1055		GLU_EXPECT_NO_ERROR(gl.getError(), "glDispatchCompute()");
1056
1057		// Read back and compare
1058		{
1059			const deUint32				blockIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
1060			const int					blockSize	= getProgramResourceInt(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
1061			const deUint32				valueIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_BUFFER_VARIABLE, "Output.values");
1062			const InterfaceVariableInfo	valueInfo	= getProgramInterfaceVariableInfo(gl, program.getProgram(), GL_BUFFER_VARIABLE, valueIndex);
1063			const BufferMemMap			bufMap		(gl, GL_SHADER_STORAGE_BUFFER, 0, blockSize, GL_MAP_READ_BIT);
1064
1065			TCU_CHECK(valueInfo.arraySize == (deUint32)inputValues.size());
1066
1067			for (deUint32 ndx = 0; ndx < valueInfo.arraySize; ndx++)
1068			{
1069				const deUint32	res		= *((const deUint32*)((const deUint8*)bufMap.getPtr() + valueInfo.offset + valueInfo.arrayStride*ndx));
1070				const deUint32	ref		= inputValues[ndx];
1071
1072				if (res != ref)
1073					throw tcu::TestError(string("Comparison failed for Output.values[") + de::toString(ndx) + "]");
1074			}
1075		}
1076
1077		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
1078		return STOP;
1079	}
1080
1081private:
1082	const tcu::IVec2	m_localSize;
1083	const tcu::IVec2	m_imageSize;
1084};
1085
1086class CopySSBOToImageCase : public TestCase
1087{
1088public:
1089	CopySSBOToImageCase (Context& context, const char* name, const char* description, const tcu::IVec2& localSize, const tcu::IVec2& imageSize)
1090		: TestCase		(context, name, description)
1091		, m_localSize	(localSize)
1092		, m_imageSize	(imageSize)
1093	{
1094		DE_ASSERT(m_imageSize[0] % m_localSize[0] == 0);
1095		DE_ASSERT(m_imageSize[1] % m_localSize[1] == 0);
1096	}
1097
1098	IterateResult iterate (void)
1099	{
1100
1101		std::ostringstream src;
1102		src << "#version 310 es\n"
1103			<< "layout (local_size_x = " << m_localSize[0] << ", local_size_y = " << m_localSize[1] << ") in;\n"
1104			<< "layout(r32ui, binding = 1) writeonly uniform highp uimage2D u_dstImg;\n"
1105			<< "buffer Input {\n"
1106			<< "    uint values[" << (m_imageSize[0]*m_imageSize[1]) << "];\n"
1107			<< "} sb_in;\n\n"
1108			<< "void main (void) {\n"
1109			<< "    uint stride = gl_NumWorkGroups.x*gl_WorkGroupSize.x;\n"
1110			<< "    uint value  = sb_in.values[gl_GlobalInvocationID.y*stride + gl_GlobalInvocationID.x];\n"
1111			<< "    imageStore(u_dstImg, ivec2(gl_GlobalInvocationID.xy), uvec4(value, 0, 0, 0));\n"
1112			<< "}\n";
1113
1114		const glw::Functions&		gl				= m_context.getRenderContext().getFunctions();
1115		const Buffer				inputBuffer		(m_context.getRenderContext());
1116		const Texture				outputTexture	(m_context.getRenderContext());
1117		const ShaderProgram			program			(m_context.getRenderContext(), ProgramSources() << ShaderSource(SHADERTYPE_COMPUTE, src.str()));
1118		const tcu::IVec2			workSize		= m_imageSize / m_localSize;
1119		de::Random					rnd				(0x77238ac2);
1120		vector<deUint32>			inputValues		(m_imageSize[0]*m_imageSize[1]);
1121
1122		m_testCtx.getLog() << program;
1123		if (!program.isOk())
1124			TCU_FAIL("Compile failed");
1125
1126		m_testCtx.getLog() << TestLog::Message << "Work groups: " << workSize << TestLog::EndMessage;
1127
1128		gl.useProgram(program.getProgram());
1129
1130		// Input values
1131		for (vector<deUint32>::iterator i = inputValues.begin(); i != inputValues.end(); ++i)
1132			*i = rnd.getUint32();
1133
1134		// Input buffer setup
1135		{
1136			const deUint32				blockIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Input");
1137			const InterfaceBlockInfo	blockInfo	= getProgramInterfaceBlockInfo(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex);
1138			const deUint32				valueIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_BUFFER_VARIABLE, "Input.values");
1139			const InterfaceVariableInfo	valueInfo	= getProgramInterfaceVariableInfo(gl, program.getProgram(), GL_BUFFER_VARIABLE, valueIndex);
1140
1141			gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *inputBuffer);
1142			gl.bufferData(GL_SHADER_STORAGE_BUFFER, (glw::GLsizeiptr)blockInfo.dataSize, DE_NULL, GL_STATIC_DRAW);
1143
1144			TCU_CHECK(valueInfo.arraySize == (deUint32)inputValues.size());
1145
1146			{
1147				const BufferMemMap bufMap(gl, GL_SHADER_STORAGE_BUFFER, 0, (int)blockInfo.dataSize, GL_MAP_WRITE_BIT);
1148
1149				for (deUint32 ndx = 0; ndx < (deUint32)inputValues.size(); ndx++)
1150					*(deUint32*)((deUint8*)bufMap.getPtr() + valueInfo.offset + ndx*valueInfo.arrayStride) = inputValues[ndx];
1151			}
1152
1153			gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, blockInfo.bufferBinding, *inputBuffer);
1154			GLU_EXPECT_NO_ERROR(gl.getError(), "Input buffer setup failed");
1155		}
1156
1157		// Output image setup
1158		gl.bindTexture(GL_TEXTURE_2D, *outputTexture);
1159		gl.texStorage2D(GL_TEXTURE_2D, 1, GL_R32UI, m_imageSize[0], m_imageSize[1]);
1160		gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
1161		gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1162		GLU_EXPECT_NO_ERROR(gl.getError(), "Uploading image data failed");
1163
1164		// Bind to unit 1
1165		gl.bindImageTexture(1, *outputTexture, 0, GL_FALSE, 0, GL_WRITE_ONLY, GL_R32UI);
1166		GLU_EXPECT_NO_ERROR(gl.getError(), "Image setup failed");
1167
1168		// Dispatch compute workload
1169		gl.dispatchCompute(workSize[0], workSize[1], 1);
1170		GLU_EXPECT_NO_ERROR(gl.getError(), "glDispatchCompute()");
1171
1172		// Read back and compare
1173		{
1174			Framebuffer			fbo			(m_context.getRenderContext());
1175			vector<deUint32>	pixels		(inputValues.size()*4);
1176
1177			gl.bindFramebuffer(GL_FRAMEBUFFER, *fbo);
1178			gl.framebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, *outputTexture, 0);
1179			TCU_CHECK(gl.checkFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE);
1180
1181			// \note In ES3 we have to use GL_RGBA_INTEGER
1182			gl.readBuffer(GL_COLOR_ATTACHMENT0);
1183			gl.readPixels(0, 0, m_imageSize[0], m_imageSize[1], GL_RGBA_INTEGER, GL_UNSIGNED_INT, &pixels[0]);
1184			GLU_EXPECT_NO_ERROR(gl.getError(), "Reading pixels failed");
1185
1186			for (deUint32 ndx = 0; ndx < (deUint32)inputValues.size(); ndx++)
1187			{
1188				const deUint32	res		= pixels[ndx*4];
1189				const deUint32	ref		= inputValues[ndx];
1190
1191				if (res != ref)
1192					throw tcu::TestError(string("Comparison failed for pixel ") + de::toString(ndx));
1193			}
1194		}
1195
1196		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
1197		return STOP;
1198	}
1199
1200private:
1201	const tcu::IVec2	m_localSize;
1202	const tcu::IVec2	m_imageSize;
1203};
1204
1205class ImageAtomicOpCase : public TestCase
1206{
1207public:
1208	ImageAtomicOpCase (Context& context, const char* name, const char* description, int localSize, const tcu::IVec2& imageSize)
1209		: TestCase		(context, name, description)
1210		, m_localSize	(localSize)
1211		, m_imageSize	(imageSize)
1212	{
1213	}
1214
1215	void init (void)
1216	{
1217		if (!m_context.getContextInfo().isExtensionSupported("GL_OES_shader_image_atomic"))
1218			throw tcu::NotSupportedError("Test requires OES_shader_image_atomic extension");
1219	}
1220
1221	IterateResult iterate (void)
1222	{
1223
1224		std::ostringstream src;
1225		src << "#version 310 es\n"
1226			<< "#extension GL_OES_shader_image_atomic : require\n"
1227			<< "layout (local_size_x = " << m_localSize << ") in;\n"
1228			<< "layout(r32ui, binding = 1) uniform highp uimage2D u_dstImg;\n"
1229			<< "buffer Input {\n"
1230			<< "    uint values[" << (m_imageSize[0]*m_imageSize[1]*m_localSize) << "];\n"
1231			<< "} sb_in;\n\n"
1232			<< "void main (void) {\n"
1233			<< "    uint stride = gl_NumWorkGroups.x*gl_WorkGroupSize.x;\n"
1234			<< "    uint value  = sb_in.values[gl_GlobalInvocationID.y*stride + gl_GlobalInvocationID.x];\n"
1235			<< "\n"
1236			<< "    if (gl_LocalInvocationIndex == 0u)\n"
1237			<< "        imageStore(u_dstImg, ivec2(gl_WorkGroupID.xy), uvec4(0));\n"
1238			<< "    barrier();\n"
1239			<< "    imageAtomicAdd(u_dstImg, ivec2(gl_WorkGroupID.xy), value);\n"
1240			<< "}\n";
1241
1242		const glw::Functions&		gl				= m_context.getRenderContext().getFunctions();
1243		const Buffer				inputBuffer		(m_context.getRenderContext());
1244		const Texture				outputTexture	(m_context.getRenderContext());
1245		const ShaderProgram			program			(m_context.getRenderContext(), ProgramSources() << ShaderSource(SHADERTYPE_COMPUTE, src.str()));
1246		de::Random					rnd				(0x77238ac2);
1247		vector<deUint32>			inputValues		(m_imageSize[0]*m_imageSize[1]*m_localSize);
1248
1249		m_testCtx.getLog() << program;
1250		if (!program.isOk())
1251			TCU_FAIL("Compile failed");
1252
1253		m_testCtx.getLog() << TestLog::Message << "Work groups: " << m_imageSize << TestLog::EndMessage;
1254
1255		gl.useProgram(program.getProgram());
1256
1257		// Input values
1258		for (vector<deUint32>::iterator i = inputValues.begin(); i != inputValues.end(); ++i)
1259			*i = rnd.getUint32();
1260
1261		// Input buffer setup
1262		{
1263			const deUint32				blockIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Input");
1264			const InterfaceBlockInfo	blockInfo	= getProgramInterfaceBlockInfo(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex);
1265			const deUint32				valueIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_BUFFER_VARIABLE, "Input.values");
1266			const InterfaceVariableInfo	valueInfo	= getProgramInterfaceVariableInfo(gl, program.getProgram(), GL_BUFFER_VARIABLE, valueIndex);
1267
1268			gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *inputBuffer);
1269			gl.bufferData(GL_SHADER_STORAGE_BUFFER, (glw::GLsizeiptr)blockInfo.dataSize, DE_NULL, GL_STATIC_DRAW);
1270
1271			TCU_CHECK(valueInfo.arraySize == (deUint32)inputValues.size());
1272
1273			{
1274				const BufferMemMap bufMap(gl, GL_SHADER_STORAGE_BUFFER, 0, (int)blockInfo.dataSize, GL_MAP_WRITE_BIT);
1275
1276				for (deUint32 ndx = 0; ndx < (deUint32)inputValues.size(); ndx++)
1277					*(deUint32*)((deUint8*)bufMap.getPtr() + valueInfo.offset + ndx*valueInfo.arrayStride) = inputValues[ndx];
1278			}
1279
1280			gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, blockInfo.bufferBinding, *inputBuffer);
1281			GLU_EXPECT_NO_ERROR(gl.getError(), "Input buffer setup failed");
1282		}
1283
1284		// Output image setup
1285		gl.bindTexture(GL_TEXTURE_2D, *outputTexture);
1286		gl.texStorage2D(GL_TEXTURE_2D, 1, GL_R32UI, m_imageSize[0], m_imageSize[1]);
1287		gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
1288		gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1289		GLU_EXPECT_NO_ERROR(gl.getError(), "Uploading image data failed");
1290
1291		// Bind to unit 1
1292		gl.bindImageTexture(1, *outputTexture, 0, GL_FALSE, 0, GL_READ_WRITE, GL_R32UI);
1293		GLU_EXPECT_NO_ERROR(gl.getError(), "Image setup failed");
1294
1295		// Dispatch compute workload
1296		gl.dispatchCompute(m_imageSize[0], m_imageSize[1], 1);
1297		GLU_EXPECT_NO_ERROR(gl.getError(), "glDispatchCompute()");
1298
1299		// Read back and compare
1300		{
1301			Framebuffer			fbo			(m_context.getRenderContext());
1302			vector<deUint32>	pixels		(m_imageSize[0]*m_imageSize[1]*4);
1303
1304			gl.bindFramebuffer(GL_FRAMEBUFFER, *fbo);
1305			gl.framebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, *outputTexture, 0);
1306			TCU_CHECK(gl.checkFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE);
1307
1308			// \note In ES3 we have to use GL_RGBA_INTEGER
1309			gl.readBuffer(GL_COLOR_ATTACHMENT0);
1310			gl.readPixels(0, 0, m_imageSize[0], m_imageSize[1], GL_RGBA_INTEGER, GL_UNSIGNED_INT, &pixels[0]);
1311			GLU_EXPECT_NO_ERROR(gl.getError(), "Reading pixels failed");
1312
1313			for (int pixelNdx = 0; pixelNdx < (int)inputValues.size()/m_localSize; pixelNdx++)
1314			{
1315				const deUint32	res		= pixels[pixelNdx*4];
1316				deUint32		ref		= 0;
1317
1318				for (int offs = 0; offs < m_localSize; offs++)
1319					ref += inputValues[pixelNdx*m_localSize + offs];
1320
1321				if (res != ref)
1322					throw tcu::TestError(string("Comparison failed for pixel ") + de::toString(pixelNdx));
1323			}
1324		}
1325
1326		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
1327		return STOP;
1328	}
1329
1330private:
1331	const int			m_localSize;
1332	const tcu::IVec2	m_imageSize;
1333};
1334
1335class ImageBarrierCase : public TestCase
1336{
1337public:
1338	ImageBarrierCase (Context& context, const char* name, const char* description, const tcu::IVec2& workSize)
1339		: TestCase		(context, name, description)
1340		, m_workSize	(workSize)
1341	{
1342	}
1343
1344	IterateResult iterate (void)
1345	{
1346		const ShaderProgram program0(m_context.getRenderContext(), ProgramSources() <<
1347			ComputeSource("#version 310 es\n"
1348						  "layout (local_size_x = 1) in;\n"
1349						  "uniform uint u_baseVal;\n"
1350						  "layout(r32ui, binding = 2) writeonly uniform highp uimage2D u_img;\n"
1351						  "void main (void) {\n"
1352						  "    uint offset = gl_NumWorkGroups.x*gl_NumWorkGroups.y*gl_WorkGroupID.z + gl_NumWorkGroups.x*gl_WorkGroupID.y + gl_WorkGroupID.x;\n"
1353						  "    imageStore(u_img, ivec2(gl_WorkGroupID.xy), uvec4(offset+u_baseVal, 0, 0, 0));\n"
1354						  "}\n"));
1355		const ShaderProgram program1(m_context.getRenderContext(), ProgramSources() <<
1356			ComputeSource("#version 310 es\n"
1357						  "layout (local_size_x = 1) in;\n"
1358						  "layout(r32ui, binding = 2) readonly uniform highp uimage2D u_img;\n"
1359						  "layout(binding = 0) buffer Output {\n"
1360						  "    coherent uint sum;\n"
1361						  "};\n"
1362						  "void main (void) {\n"
1363						  "    uint value = imageLoad(u_img, ivec2(gl_WorkGroupID.xy)).x;\n"
1364						  "    atomicAdd(sum, value);\n"
1365						  "}\n"));
1366
1367		const glw::Functions&		gl				= m_context.getRenderContext().getFunctions();
1368		const Texture				tempTexture		(m_context.getRenderContext());
1369		const Buffer				outputBuffer	(m_context.getRenderContext());
1370		const deUint32				baseValue		= 127;
1371
1372		m_testCtx.getLog() << program0 << program1;
1373		if (!program0.isOk() || !program1.isOk())
1374			TCU_FAIL("Compile failed");
1375
1376		m_testCtx.getLog() << TestLog::Message << "Work groups: " << m_workSize << TestLog::EndMessage;
1377
1378		// Temp texture setup
1379		gl.bindTexture(GL_TEXTURE_2D, *tempTexture);
1380		gl.texStorage2D(GL_TEXTURE_2D, 1, GL_R32UI, m_workSize[0], m_workSize[1]);
1381		gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
1382		gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1383		GLU_EXPECT_NO_ERROR(gl.getError(), "Uploading image data failed");
1384
1385		// Bind to unit 2
1386		gl.bindImageTexture(2, *tempTexture, 0, GL_FALSE, 0, GL_READ_WRITE, GL_R32UI);
1387		GLU_EXPECT_NO_ERROR(gl.getError(), "Image setup failed");
1388
1389		// Output buffer setup
1390		{
1391			const deUint32		blockIndex		= gl.getProgramResourceIndex(program1.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
1392			const int			blockSize		= getProgramResourceInt(gl, program1.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
1393
1394			gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *outputBuffer);
1395			gl.bufferData(GL_SHADER_STORAGE_BUFFER, blockSize, DE_NULL, GL_STREAM_READ);
1396
1397			{
1398				const BufferMemMap bufMap(gl, GL_SHADER_STORAGE_BUFFER, 0, blockSize, GL_MAP_WRITE_BIT);
1399				deMemset(bufMap.getPtr(), 0, blockSize);
1400			}
1401
1402			gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, *outputBuffer);
1403			GLU_EXPECT_NO_ERROR(gl.getError(), "Output buffer setup failed");
1404		}
1405
1406		// Dispatch compute workload
1407		gl.useProgram(program0.getProgram());
1408		gl.uniform1ui(gl.getUniformLocation(program0.getProgram(), "u_baseVal"), baseValue);
1409		gl.dispatchCompute(m_workSize[0], m_workSize[1], 1);
1410		gl.memoryBarrier(GL_SHADER_IMAGE_ACCESS_BARRIER_BIT);
1411		gl.useProgram(program1.getProgram());
1412		gl.dispatchCompute(m_workSize[0], m_workSize[1], 1);
1413		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to dispatch commands");
1414
1415		// Read back and compare
1416		{
1417			const deUint32				blockIndex	= gl.getProgramResourceIndex(program1.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
1418			const int					blockSize	= getProgramResourceInt(gl, program1.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
1419			const deUint32				valueIndex	= gl.getProgramResourceIndex(program1.getProgram(), GL_BUFFER_VARIABLE, "sum");
1420			const InterfaceVariableInfo	valueInfo	= getProgramInterfaceVariableInfo(gl, program1.getProgram(), GL_BUFFER_VARIABLE, valueIndex);
1421			const BufferMemMap			bufMap		(gl, GL_SHADER_STORAGE_BUFFER, 0, blockSize, GL_MAP_READ_BIT);
1422
1423			const deUint32				res			= *((const deUint32*)((const deUint8*)bufMap.getPtr() + valueInfo.offset));
1424			deUint32					ref			= 0;
1425
1426			for (int ndx = 0; ndx < m_workSize[0]*m_workSize[1]; ndx++)
1427				ref += baseValue + (deUint32)ndx;
1428
1429			if (res != ref)
1430			{
1431				m_testCtx.getLog() << TestLog::Message << "ERROR: comparison failed, expected " << ref << ", got " << res << TestLog::EndMessage;
1432				throw tcu::TestError("Comparison failed");
1433			}
1434		}
1435
1436		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
1437		return STOP;
1438	}
1439
1440private:
1441	const tcu::IVec2	m_workSize;
1442};
1443
1444class AtomicCounterCase : public TestCase
1445{
1446public:
1447	AtomicCounterCase (Context& context, const char* name, const char* description, const tcu::IVec3& localSize, const tcu::IVec3& workSize)
1448		: TestCase		(context, name, description)
1449		, m_localSize	(localSize)
1450		, m_workSize	(workSize)
1451	{
1452	}
1453
1454	IterateResult iterate (void)
1455	{
1456		const glw::Functions&		gl				= m_context.getRenderContext().getFunctions();
1457		const Buffer				outputBuffer	(m_context.getRenderContext());
1458		const Buffer				counterBuffer	(m_context.getRenderContext());
1459		const int					workGroupSize	= m_localSize[0]*m_localSize[1]*m_localSize[2];
1460		const int					workGroupCount	= m_workSize[0]*m_workSize[1]*m_workSize[2];
1461		const int					numValues		= workGroupSize*workGroupCount;
1462
1463		std::ostringstream src;
1464		src << "#version 310 es\n"
1465			<< "layout (local_size_x = " << m_localSize[0] << ", local_size_y = " << m_localSize[1] << ", local_size_z = " << m_localSize[2] << ") in;\n"
1466			<< "layout(binding = 0) buffer Output {\n"
1467			<< "    uint values[" << numValues << "];\n"
1468			<< "} sb_out;\n\n"
1469			<< "layout(binding = 0, offset = 0) uniform atomic_uint u_count;\n\n"
1470			<< "void main (void) {\n"
1471			<< "    uint localSize  = gl_WorkGroupSize.x*gl_WorkGroupSize.y*gl_WorkGroupSize.z;\n"
1472			<< "    uint globalNdx  = gl_NumWorkGroups.x*gl_NumWorkGroups.y*gl_WorkGroupID.z + gl_NumWorkGroups.x*gl_WorkGroupID.y + gl_WorkGroupID.x;\n"
1473			<< "    uint globalOffs = localSize*globalNdx;\n"
1474			<< "    uint localOffs  = gl_WorkGroupSize.x*gl_WorkGroupSize.y*gl_LocalInvocationID.z + gl_WorkGroupSize.x*gl_LocalInvocationID.y + gl_LocalInvocationID.x;\n"
1475			<< "\n"
1476			<< "    uint oldVal = atomicCounterIncrement(u_count);\n"
1477			<< "    sb_out.values[globalOffs+localOffs] = oldVal;\n"
1478			<< "}\n";
1479
1480		const ShaderProgram			program			(m_context.getRenderContext(), ProgramSources() << ComputeSource(src.str()));
1481
1482		m_testCtx.getLog() << program;
1483		if (!program.isOk())
1484			TCU_FAIL("Compile failed");
1485
1486		m_testCtx.getLog() << TestLog::Message << "Work groups: " << m_workSize << TestLog::EndMessage;
1487
1488		gl.useProgram(program.getProgram());
1489
1490		// Atomic counter buffer setup
1491		{
1492			const deUint32	uniformIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_UNIFORM, "u_count");
1493			const deUint32	bufferIndex		= getProgramResourceUint(gl, program.getProgram(), GL_UNIFORM, uniformIndex, GL_ATOMIC_COUNTER_BUFFER_INDEX);
1494			const deUint32	bufferSize		= getProgramResourceUint(gl, program.getProgram(), GL_ATOMIC_COUNTER_BUFFER, bufferIndex, GL_BUFFER_DATA_SIZE);
1495
1496			gl.bindBuffer(GL_ATOMIC_COUNTER_BUFFER, *counterBuffer);
1497			gl.bufferData(GL_ATOMIC_COUNTER_BUFFER, bufferSize, DE_NULL, GL_STREAM_READ);
1498
1499			{
1500				const BufferMemMap memMap(gl, GL_ATOMIC_COUNTER_BUFFER, 0, bufferSize, GL_MAP_WRITE_BIT);
1501				deMemset(memMap.getPtr(), 0, (int)bufferSize);
1502			}
1503
1504			gl.bindBufferBase(GL_ATOMIC_COUNTER_BUFFER, 0, *counterBuffer);
1505			GLU_EXPECT_NO_ERROR(gl.getError(), "Atomic counter buffer setup failed");
1506		}
1507
1508		// Output buffer setup
1509		{
1510			const deUint32		blockIndex		= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
1511			const int			blockSize		= getProgramResourceInt(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
1512
1513			gl.bindBuffer(GL_SHADER_STORAGE_BUFFER, *outputBuffer);
1514			gl.bufferData(GL_SHADER_STORAGE_BUFFER, blockSize, DE_NULL, GL_STREAM_READ);
1515			gl.bindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, *outputBuffer);
1516			GLU_EXPECT_NO_ERROR(gl.getError(), "Output buffer setup failed");
1517		}
1518
1519		// Dispatch compute workload
1520		gl.dispatchCompute(m_workSize[0], m_workSize[1], m_workSize[2]);
1521		GLU_EXPECT_NO_ERROR(gl.getError(), "glDispatchCompute()");
1522
1523		// Read back and compare atomic counter
1524		{
1525			const deUint32		uniformIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_UNIFORM, "u_count");
1526			const deUint32		uniformOffset	= getProgramResourceUint(gl, program.getProgram(), GL_UNIFORM, uniformIndex, GL_OFFSET);
1527			const deUint32		bufferIndex		= getProgramResourceUint(gl, program.getProgram(), GL_UNIFORM, uniformIndex, GL_ATOMIC_COUNTER_BUFFER_INDEX);
1528			const deUint32		bufferSize		= getProgramResourceUint(gl, program.getProgram(), GL_ATOMIC_COUNTER_BUFFER, bufferIndex, GL_BUFFER_DATA_SIZE);
1529			const BufferMemMap	bufMap			(gl, GL_ATOMIC_COUNTER_BUFFER, 0, bufferSize, GL_MAP_READ_BIT);
1530
1531			const deUint32		resVal			= *((const deUint32*)((const deUint8*)bufMap.getPtr() + uniformOffset));
1532
1533			if (resVal != (deUint32)numValues)
1534				throw tcu::TestError("Invalid atomic counter value");
1535		}
1536
1537		// Read back and compare SSBO
1538		{
1539			const deUint32				blockIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_SHADER_STORAGE_BLOCK, "Output");
1540			const int					blockSize	= getProgramResourceInt(gl, program.getProgram(), GL_SHADER_STORAGE_BLOCK, blockIndex, GL_BUFFER_DATA_SIZE);
1541			const deUint32				valueIndex	= gl.getProgramResourceIndex(program.getProgram(), GL_BUFFER_VARIABLE, "Output.values");
1542			const InterfaceVariableInfo	valueInfo	= getProgramInterfaceVariableInfo(gl, program.getProgram(), GL_BUFFER_VARIABLE, valueIndex);
1543			const BufferMemMap			bufMap		(gl, GL_SHADER_STORAGE_BUFFER, 0, blockSize, GL_MAP_READ_BIT);
1544			deUint32					valSum		= 0;
1545			deUint32					refSum		= 0;
1546
1547			for (int valNdx = 0; valNdx < numValues; valNdx++)
1548			{
1549				const deUint32 res = *((const deUint32*)((const deUint8*)bufMap.getPtr() + valueInfo.offset + valueInfo.arrayStride*valNdx));
1550
1551				valSum += res;
1552				refSum += (deUint32)valNdx;
1553
1554				if (!de::inBounds<deUint32>(res, 0, (deUint32)numValues))
1555					throw tcu::TestError(string("Comparison failed for Output.values[") + de::toString(valNdx) + "]");
1556			}
1557
1558			if (valSum != refSum)
1559				throw tcu::TestError("Total sum of values in Output.values doesn't match");
1560		}
1561
1562		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
1563		return STOP;
1564	}
1565
1566private:
1567	const tcu::IVec3	m_localSize;
1568	const tcu::IVec3	m_workSize;
1569};
1570
1571} // anonymous
1572
1573BasicComputeShaderTests::BasicComputeShaderTests (Context& context)
1574	: TestCaseGroup(context, "basic", "Basic Compute Shader Tests")
1575{
1576}
1577
1578BasicComputeShaderTests::~BasicComputeShaderTests (void)
1579{
1580}
1581
1582void BasicComputeShaderTests::init (void)
1583{
1584	addChild(new EmptyComputeShaderCase(m_context));
1585
1586	addChild(new UBOToSSBOInvertCase	(m_context, "ubo_to_ssbo_single_invocation",			"Copy from UBO to SSBO, inverting bits",	256,	tcu::IVec3(1,1,1),	tcu::IVec3(1,1,1)));
1587	addChild(new UBOToSSBOInvertCase	(m_context, "ubo_to_ssbo_single_group",					"Copy from UBO to SSBO, inverting bits",	1024,	tcu::IVec3(2,1,4),	tcu::IVec3(1,1,1)));
1588	addChild(new UBOToSSBOInvertCase	(m_context, "ubo_to_ssbo_multiple_invocations",			"Copy from UBO to SSBO, inverting bits",	1024,	tcu::IVec3(1,1,1),	tcu::IVec3(2,4,1)));
1589	addChild(new UBOToSSBOInvertCase	(m_context, "ubo_to_ssbo_multiple_groups",				"Copy from UBO to SSBO, inverting bits",	1024,	tcu::IVec3(1,4,2),	tcu::IVec3(2,2,4)));
1590
1591	addChild(new CopyInvertSSBOCase		(m_context, "copy_ssbo_single_invocation",				"Copy between SSBOs, inverting bits",	256,	tcu::IVec3(1,1,1),	tcu::IVec3(1,1,1)));
1592	addChild(new CopyInvertSSBOCase		(m_context, "copy_ssbo_multiple_invocations",			"Copy between SSBOs, inverting bits",	1024,	tcu::IVec3(1,1,1),	tcu::IVec3(2,4,1)));
1593	addChild(new CopyInvertSSBOCase		(m_context, "copy_ssbo_multiple_groups",				"Copy between SSBOs, inverting bits",	1024,	tcu::IVec3(1,4,2),	tcu::IVec3(2,2,4)));
1594
1595	addChild(new InvertSSBOInPlaceCase	(m_context, "ssbo_rw_single_invocation",				"Read and write same SSBO",				256,	true,	tcu::IVec3(1,1,1),	tcu::IVec3(1,1,1)));
1596	addChild(new InvertSSBOInPlaceCase	(m_context, "ssbo_rw_multiple_groups",					"Read and write same SSBO",				1024,	true,	tcu::IVec3(1,4,2),	tcu::IVec3(2,2,4)));
1597
1598	addChild(new InvertSSBOInPlaceCase	(m_context, "ssbo_unsized_arr_single_invocation",		"Read and write same SSBO",				256,	false,	tcu::IVec3(1,1,1),	tcu::IVec3(1,1,1)));
1599	addChild(new InvertSSBOInPlaceCase	(m_context, "ssbo_unsized_arr_multiple_groups",			"Read and write same SSBO",				1024,	false,	tcu::IVec3(1,4,2),	tcu::IVec3(2,2,4)));
1600
1601	addChild(new WriteToMultipleSSBOCase(m_context, "write_multiple_arr_single_invocation",		"Write to multiple SSBOs",				256,	true,	tcu::IVec3(1,1,1),	tcu::IVec3(1,1,1)));
1602	addChild(new WriteToMultipleSSBOCase(m_context, "write_multiple_arr_multiple_groups",		"Write to multiple SSBOs",				1024,	true,	tcu::IVec3(1,4,2),	tcu::IVec3(2,2,4)));
1603
1604	addChild(new WriteToMultipleSSBOCase(m_context, "write_multiple_unsized_arr_single_invocation",	"Write to multiple SSBOs",			256,	false,	tcu::IVec3(1,1,1),	tcu::IVec3(1,1,1)));
1605	addChild(new WriteToMultipleSSBOCase(m_context, "write_multiple_unsized_arr_multiple_groups",	"Write to multiple SSBOs",			1024,	false,	tcu::IVec3(1,4,2),	tcu::IVec3(2,2,4)));
1606
1607	addChild(new SSBOLocalBarrierCase	(m_context, "ssbo_local_barrier_single_invocation",		"SSBO local barrier usage",				tcu::IVec3(1,1,1),	tcu::IVec3(1,1,1)));
1608	addChild(new SSBOLocalBarrierCase	(m_context, "ssbo_local_barrier_single_group",			"SSBO local barrier usage",				tcu::IVec3(3,2,5),	tcu::IVec3(1,1,1)));
1609	addChild(new SSBOLocalBarrierCase	(m_context, "ssbo_local_barrier_multiple_groups",		"SSBO local barrier usage",				tcu::IVec3(3,4,1),	tcu::IVec3(2,7,3)));
1610
1611	addChild(new SSBOBarrierCase		(m_context, "ssbo_cmd_barrier_single",					"SSBO memory barrier usage",			tcu::IVec3(1,1,1)));
1612	addChild(new SSBOBarrierCase		(m_context, "ssbo_cmd_barrier_multiple",				"SSBO memory barrier usage",			tcu::IVec3(11,5,7)));
1613
1614	addChild(new BasicSharedVarCase		(m_context, "shared_var_single_invocation",				"Basic shared variable usage",			tcu::IVec3(1,1,1),	tcu::IVec3(1,1,1)));
1615	addChild(new BasicSharedVarCase		(m_context, "shared_var_single_group",					"Basic shared variable usage",			tcu::IVec3(3,2,5),	tcu::IVec3(1,1,1)));
1616	addChild(new BasicSharedVarCase		(m_context, "shared_var_multiple_invocations",			"Basic shared variable usage",			tcu::IVec3(1,1,1),	tcu::IVec3(2,5,4)));
1617	addChild(new BasicSharedVarCase		(m_context, "shared_var_multiple_groups",				"Basic shared variable usage",			tcu::IVec3(3,4,1),	tcu::IVec3(2,7,3)));
1618
1619	addChild(new SharedVarAtomicOpCase	(m_context, "shared_atomic_op_single_invocation",		"Atomic operation with shared var",		tcu::IVec3(1,1,1),	tcu::IVec3(1,1,1)));
1620	addChild(new SharedVarAtomicOpCase	(m_context, "shared_atomic_op_single_group",			"Atomic operation with shared var",		tcu::IVec3(3,2,5),	tcu::IVec3(1,1,1)));
1621	addChild(new SharedVarAtomicOpCase	(m_context, "shared_atomic_op_multiple_invocations",	"Atomic operation with shared var",		tcu::IVec3(1,1,1),	tcu::IVec3(2,5,4)));
1622	addChild(new SharedVarAtomicOpCase	(m_context, "shared_atomic_op_multiple_groups",			"Atomic operation with shared var",		tcu::IVec3(3,4,1),	tcu::IVec3(2,7,3)));
1623
1624	addChild(new CopyImageToSSBOCase	(m_context, "copy_image_to_ssbo_small",					"Image to SSBO copy",					tcu::IVec2(1,1),	tcu::IVec2(64,64)));
1625	addChild(new CopyImageToSSBOCase	(m_context, "copy_image_to_ssbo_large",					"Image to SSBO copy",					tcu::IVec2(2,4),	tcu::IVec2(512,512)));
1626
1627	addChild(new CopySSBOToImageCase	(m_context, "copy_ssbo_to_image_small",					"SSBO to image copy",					tcu::IVec2(1,1),	tcu::IVec2(64,64)));
1628	addChild(new CopySSBOToImageCase	(m_context, "copy_ssbo_to_image_large",					"SSBO to image copy",					tcu::IVec2(2,4),	tcu::IVec2(512,512)));
1629
1630	addChild(new ImageAtomicOpCase		(m_context, "image_atomic_op_local_size_1",				"Atomic operation with image",			1,	tcu::IVec2(64,64)));
1631	addChild(new ImageAtomicOpCase		(m_context, "image_atomic_op_local_size_8",				"Atomic operation with image",			8,	tcu::IVec2(64,64)));
1632
1633	addChild(new ImageBarrierCase		(m_context, "image_barrier_single",						"Image barrier",						tcu::IVec2(1,1)));
1634	addChild(new ImageBarrierCase		(m_context, "image_barrier_multiple",					"Image barrier",						tcu::IVec2(64,64)));
1635
1636	addChild(new AtomicCounterCase		(m_context, "atomic_counter_single_invocation",			"Basic atomic counter test",			tcu::IVec3(1,1,1),	tcu::IVec3(1,1,1)));
1637	addChild(new AtomicCounterCase		(m_context, "atomic_counter_single_group",				"Basic atomic counter test",			tcu::IVec3(3,2,5),	tcu::IVec3(1,1,1)));
1638	addChild(new AtomicCounterCase		(m_context, "atomic_counter_multiple_invocations",		"Basic atomic counter test",			tcu::IVec3(1,1,1),	tcu::IVec3(2,5,4)));
1639	addChild(new AtomicCounterCase		(m_context, "atomic_counter_multiple_groups",			"Basic atomic counter test",			tcu::IVec3(3,4,1),	tcu::IVec3(2,7,3)));
1640}
1641
1642} // Functional
1643} // gles31
1644} // deqp
1645