1 /*-------------------------------------------------------------------------
2  * drawElements Quality Program OpenGL ES 3.0 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 Implementation-defined limit tests.
22  *//*--------------------------------------------------------------------*/
23 
24 #include "es3fImplementationLimitTests.hpp"
25 #include "tcuTestLog.hpp"
26 #include "gluDefs.hpp"
27 #include "gluStrUtil.hpp"
28 #include "gluRenderContext.hpp"
29 
30 #include <vector>
31 #include <set>
32 #include <algorithm>
33 #include <iterator>
34 #include <limits>
35 
36 #include "glwEnums.hpp"
37 #include "glwFunctions.hpp"
38 
39 namespace deqp
40 {
41 namespace gles3
42 {
43 namespace Functional
44 {
45 
46 using std::vector;
47 using std::string;
48 using std::set;
49 using namespace glw; // GL types
50 
51 namespace LimitQuery
52 {
53 
54 // Query function template.
55 template<typename T>
56 T query (const glw::Functions& gl, deUint32 param);
57 
58 // Compare template.
59 template<typename T>
compare(const T & min,const T & reported)60 inline bool compare (const T& min, const T& reported) { return min <= reported; }
61 
62 // Types for queries
63 
64 struct NegInt
65 {
66 	GLint value;
NegIntdeqp::gles3::Functional::LimitQuery::NegInt67 	NegInt (GLint value_) : value(value_) {}
68 };
69 
operator <<(std::ostream & str,const NegInt & v)70 std::ostream& operator<< (std::ostream& str, const NegInt& v) { return str << v.value; }
71 
72 struct FloatRange
73 {
74 	float min;
75 	float max;
FloatRangedeqp::gles3::Functional::LimitQuery::FloatRange76 	FloatRange (float min_, float max_) : min(min_), max(max_) {}
77 };
78 
operator <<(std::ostream & str,const FloatRange & range)79 std::ostream& operator<< (std::ostream& str, const FloatRange& range) { return str << range.min << ", " << range.max; }
80 
81 struct AlignmentInt
82 {
83 	GLint value;
AlignmentIntdeqp::gles3::Functional::LimitQuery::AlignmentInt84 	AlignmentInt (GLint value_) : value(value_) {}
85 };
86 
operator <<(std::ostream & str,const AlignmentInt & v)87 std::ostream& operator<< (std::ostream& str, const AlignmentInt& v) { return str << v.value; }
88 
89 // For custom formatting
90 struct Boolean
91 {
92 	GLboolean value;
Booleandeqp::gles3::Functional::LimitQuery::Boolean93 	Boolean (GLboolean value_) : value(value_) {}
94 };
95 
operator <<(std::ostream & str,const Boolean & boolean)96 std::ostream& operator<< (std::ostream& str, const Boolean& boolean) { return str << (boolean.value ? "GL_TRUE" : "GL_FALSE"); }
97 
98 // Query function implementations.
99 template<>
query(const glw::Functions & gl,deUint32 param)100 GLint query<GLint> (const glw::Functions& gl, deUint32 param)
101 {
102 	GLint val = -1;
103 	gl.getIntegerv(param, &val);
104 	return val;
105 }
106 
107 template<>
query(const glw::Functions & gl,deUint32 param)108 GLint64 query<GLint64> (const glw::Functions& gl, deUint32 param)
109 {
110 	GLint64 val = -1;
111 	gl.getInteger64v(param, &val);
112 	return val;
113 }
114 
115 template<>
query(const glw::Functions & gl,deUint32 param)116 GLuint64 query<GLuint64> (const glw::Functions& gl, deUint32 param)
117 {
118 	GLint64 val = 0;
119 	gl.getInteger64v(param, &val);
120 	return (GLuint64)val;
121 }
122 
123 template<>
query(const glw::Functions & gl,deUint32 param)124 GLfloat query<GLfloat> (const glw::Functions& gl,deUint32 param)
125 {
126 	GLfloat val = -1000.f;
127 	gl.getFloatv(param, &val);
128 	return val;
129 }
130 
131 template<>
query(const glw::Functions & gl,deUint32 param)132 NegInt query<NegInt> (const glw::Functions& gl, deUint32 param)
133 {
134 	return NegInt(query<GLint>(gl, param));
135 }
136 
137 template<>
query(const glw::Functions & gl,deUint32 param)138 Boolean query<Boolean> (const glw::Functions& gl, deUint32 param)
139 {
140 	GLboolean val = GL_FALSE;
141 	gl.getBooleanv(param, &val);
142 	return Boolean(val);
143 }
144 
145 template<>
query(const glw::Functions & gl,deUint32 param)146 FloatRange query<FloatRange> (const glw::Functions& gl, deUint32 param)
147 {
148 	float v[2] = { -1.0f, -1.0f };
149 	gl.getFloatv(param, &v[0]);
150 	return FloatRange(v[0], v[1]);
151 }
152 
153 template<>
query(const glw::Functions & gl,deUint32 param)154 AlignmentInt query<AlignmentInt> (const glw::Functions& gl, deUint32 param)
155 {
156 	return AlignmentInt(query<GLint>(gl, param));
157 }
158 
159 // Special comparison operators
160 template<>
compare(const Boolean & min,const Boolean & reported)161 bool compare<Boolean> (const Boolean& min, const Boolean& reported)
162 {
163 	return !min.value || (min.value && reported.value);
164 }
165 
166 template<>
compare(const NegInt & min,const NegInt & reported)167 bool compare<NegInt> (const NegInt& min, const NegInt& reported)
168 {
169 	// Reverse comparison.
170 	return reported.value <= min.value;
171 }
172 
173 template<>
compare(const FloatRange & min,const FloatRange & reported)174 bool compare<FloatRange> (const FloatRange& min, const FloatRange& reported)
175 {
176 	return reported.min <= min.min && min.max <= reported.max;
177 }
178 
179 template<>
compare(const AlignmentInt & min,const AlignmentInt & reported)180 bool compare<AlignmentInt> (const AlignmentInt& min, const AlignmentInt& reported)
181 {
182 	// Reverse comparison.
183 	return reported.value <= min.value;
184 }
185 
186 // Special error descriptions
187 
188 enum QueryClass
189 {
190 	CLASS_VALUE = 0,
191 	CLASS_RANGE,
192 	CLASS_ALIGNMENT,
193 };
194 
195 template <QueryClass Class>
196 struct QueryClassTraits
197 {
198 	static const char* const s_errorDescription;
199 };
200 
201 template <>
202 const char* const QueryClassTraits<CLASS_VALUE>::s_errorDescription = "reported value is less than minimum required value!";
203 
204 template <>
205 const char* const QueryClassTraits<CLASS_RANGE>::s_errorDescription = "reported range does not contain the minimum required range!";
206 
207 template <>
208 const char* const QueryClassTraits<CLASS_ALIGNMENT>::s_errorDescription = "reported alignment is larger than minimum required aligmnent!";
209 
210 template <typename T>
211 struct QueryTypeTraits
212 {
213 };
214 
215 template <> struct QueryTypeTraits<GLint>			{	enum { CLASS = CLASS_VALUE };		};
216 template <> struct QueryTypeTraits<GLint64>			{	enum { CLASS = CLASS_VALUE };		};
217 template <> struct QueryTypeTraits<GLuint64>		{	enum { CLASS = CLASS_VALUE };		};
218 template <> struct QueryTypeTraits<GLfloat>			{	enum { CLASS = CLASS_VALUE };		};
219 template <> struct QueryTypeTraits<Boolean>			{	enum { CLASS = CLASS_VALUE };		};
220 template <> struct QueryTypeTraits<NegInt>			{	enum { CLASS = CLASS_VALUE };		};
221 template <> struct QueryTypeTraits<FloatRange>		{	enum { CLASS = CLASS_RANGE };		};
222 template <> struct QueryTypeTraits<AlignmentInt>	{	enum { CLASS = CLASS_ALIGNMENT };	};
223 
224 } // LimitQuery
225 
226 using namespace LimitQuery;
227 using tcu::TestLog;
228 
229 template<typename T>
230 class LimitQueryCase : public TestCase
231 {
232 public:
LimitQueryCase(Context & context,const char * name,const char * description,deUint32 limit,const T & minRequiredValue)233 	LimitQueryCase (Context& context, const char* name, const char* description, deUint32 limit, const T& minRequiredValue)
234 		: TestCase				(context, name, description)
235 		, m_limit				(limit)
236 		, m_minRequiredValue	(minRequiredValue)
237 	{
238 	}
239 
iterate(void)240 	IterateResult iterate (void)
241 	{
242 		const glw::Functions&	gl		= m_context.getRenderContext().getFunctions();
243 		const T					value	= query<T>(m_context.getRenderContext().getFunctions(), m_limit);
244 		GLU_EXPECT_NO_ERROR(gl.getError(), "Query failed");
245 
246 		const bool isOk = compare<T>(m_minRequiredValue, value);
247 
248 		m_testCtx.getLog() << TestLog::Message << "Reported: " << value << TestLog::EndMessage;
249 		m_testCtx.getLog() << TestLog::Message << "Minimum required: " << m_minRequiredValue << TestLog::EndMessage;
250 
251 		if (!isOk)
252 			m_testCtx.getLog() << TestLog::Message << "FAIL: " << QueryClassTraits<(QueryClass)QueryTypeTraits<T>::CLASS>::s_errorDescription << TestLog::EndMessage;
253 
254 		m_testCtx.setTestResult(isOk ? QP_TEST_RESULT_PASS	: QP_TEST_RESULT_FAIL,
255 								isOk ? "Pass"				: "Requirement not satisfied");
256 		return STOP;
257 	}
258 
259 private:
260 	deUint32	m_limit;
261 	T			m_minRequiredValue;
262 };
263 
264 static const deUint32 s_requiredCompressedTexFormats[] =
265 {
266 	GL_COMPRESSED_R11_EAC,
267 	GL_COMPRESSED_SIGNED_R11_EAC,
268 	GL_COMPRESSED_RG11_EAC,
269 	GL_COMPRESSED_SIGNED_RG11_EAC,
270 	GL_COMPRESSED_RGB8_ETC2,
271 	GL_COMPRESSED_SRGB8_ETC2,
272 	GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2,
273 	GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2,
274 	GL_COMPRESSED_RGBA8_ETC2_EAC,
275 	GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC
276 };
277 
278 class CompressedTextureFormatsQueryCase : public TestCase
279 {
280 public:
CompressedTextureFormatsQueryCase(Context & context)281 	CompressedTextureFormatsQueryCase (Context& context)
282 		: TestCase(context, "compressed_texture_formats", "GL_COMPRESSED_TEXTURE_FORMATS")
283 	{
284 	}
285 
iterate(void)286 	IterateResult iterate (void)
287 	{
288 		const glw::Functions&	gl				= m_context.getRenderContext().getFunctions();
289 		const GLint				numFormats		= query<GLint>(gl, GL_NUM_COMPRESSED_TEXTURE_FORMATS);
290 		vector<GLint>			formats			(numFormats);
291 		bool					allFormatsOk	= true;
292 
293 		if (numFormats > 0)
294 			gl.getIntegerv(GL_COMPRESSED_TEXTURE_FORMATS, &formats[0]);
295 
296 		GLU_EXPECT_NO_ERROR(gl.getError(), "Query failed");
297 
298 		// Log formats.
299 		m_testCtx.getLog() << TestLog::Message << "Reported:" << TestLog::EndMessage;
300 		for (vector<GLint>::const_iterator fmt = formats.begin(); fmt != formats.end(); fmt++)
301 			m_testCtx.getLog() << TestLog::Message << glu::getCompressedTextureFormatStr(*fmt) << TestLog::EndMessage;
302 
303 		// Check that all required formats are in list.
304 		{
305 			set<GLint> formatSet(formats.begin(), formats.end());
306 
307 			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_requiredCompressedTexFormats); ndx++)
308 			{
309 				const deUint32	fmt		= s_requiredCompressedTexFormats[ndx];
310 				const bool		found	= formatSet.find(fmt) != formatSet.end();
311 
312 				if (!found)
313 				{
314 					m_testCtx.getLog() << TestLog::Message << "ERROR: " << glu::getCompressedTextureFormatStr(fmt) << " is missing!" << TestLog::EndMessage;
315 					allFormatsOk = false;
316 				}
317 			}
318 		}
319 
320 		m_testCtx.setTestResult(allFormatsOk ? QP_TEST_RESULT_PASS	: QP_TEST_RESULT_FAIL,
321 								allFormatsOk ? "Pass"				: "Requirement not satisfied");
322 		return STOP;
323 	}
324 };
325 
queryExtensionsNonIndexed(const glw::Functions & gl)326 static vector<string> queryExtensionsNonIndexed (const glw::Functions& gl)
327 {
328 	const string	extensionStr	= (const char*)gl.getString(GL_EXTENSIONS);
329 	vector<string>	extensionList;
330 	size_t			pos				= 0;
331 
332 	for (;;)
333 	{
334 		const size_t	nextPos	= extensionStr.find(' ', pos);
335 		const size_t	len		= nextPos == string::npos ? extensionStr.length()-pos : nextPos-pos;
336 
337 		if (len > 0)
338 			extensionList.push_back(extensionStr.substr(pos, len));
339 
340 		if (nextPos == string::npos)
341 			break;
342 		else
343 			pos = nextPos+1;
344 	}
345 
346 	return extensionList;
347 }
348 
queryExtensionsIndexed(const glw::Functions & gl)349 static vector<string> queryExtensionsIndexed (const glw::Functions& gl)
350 {
351 	const int		numExtensions		= query<GLint>(gl, GL_NUM_EXTENSIONS);
352 	vector<string>	extensions			(numExtensions);
353 
354 	GLU_EXPECT_NO_ERROR(gl.getError(), "GL_NUM_EXTENSIONS query failed");
355 
356 	for (int ndx = 0; ndx < numExtensions; ndx++)
357 		extensions[ndx] = (const char*)gl.getStringi(GL_EXTENSIONS, (GLuint)ndx);
358 
359 	GLU_EXPECT_NO_ERROR(gl.getError(), "glGetStringi(GL_EXTENSIONS) failed");
360 
361 	return extensions;
362 }
363 
compareExtensionLists(const vector<string> & a,const vector<string> & b)364 static bool compareExtensionLists (const vector<string>& a, const vector<string>& b)
365 {
366 	if (a.size() != b.size())
367 		return false;
368 
369 	set<string> extsInB(b.begin(), b.end());
370 
371 	for (vector<string>::const_iterator i = a.begin(); i != a.end(); ++i)
372 	{
373 		if (extsInB.find(*i) == extsInB.end())
374 			return false;
375 	}
376 
377 	return true;
378 }
379 
380 class ExtensionQueryCase : public TestCase
381 {
382 public:
ExtensionQueryCase(Context & context)383 	ExtensionQueryCase (Context& context)
384 		: TestCase(context, "extensions", "GL_EXTENSIONS")
385 	{
386 	}
387 
iterate(void)388 	IterateResult iterate (void)
389 	{
390 		const glw::Functions&	gl					= m_context.getRenderContext().getFunctions();
391 		const vector<string>	nonIndexedExts		= queryExtensionsNonIndexed(gl);
392 		const vector<string>	indexedExts			= queryExtensionsIndexed(gl);
393 		const bool				isOk				= compareExtensionLists(nonIndexedExts, indexedExts);
394 
395 		m_testCtx.getLog() << TestLog::Message << "Extensions as reported by glGetStringi(GL_EXTENSIONS):" << TestLog::EndMessage;
396 		for (vector<string>::const_iterator ext = indexedExts.begin(); ext != indexedExts.end(); ++ext)
397 			m_testCtx.getLog() << TestLog::Message << *ext << TestLog::EndMessage;
398 
399 		if (!isOk)
400 		{
401 			m_testCtx.getLog() << TestLog::Message << "Extensions as reported by glGetString(GL_EXTENSIONS):" << TestLog::EndMessage;
402 			for (vector<string>::const_iterator ext = nonIndexedExts.begin(); ext != nonIndexedExts.end(); ++ext)
403 				m_testCtx.getLog() << TestLog::Message << *ext << TestLog::EndMessage;
404 
405 			m_testCtx.getLog() << TestLog::Message << "ERROR: Extension lists do not match!" << TestLog::EndMessage;
406 		}
407 
408 		m_testCtx.setTestResult(isOk ? QP_TEST_RESULT_PASS	: QP_TEST_RESULT_FAIL,
409 								isOk ? "Pass"				: "Invalid extension list");
410 		return STOP;
411 	}
412 };
413 
ImplementationLimitTests(Context & context)414 ImplementationLimitTests::ImplementationLimitTests (Context& context)
415 	: TestCaseGroup(context, "implementation_limits", "Implementation-defined limits")
416 {
417 }
418 
~ImplementationLimitTests(void)419 ImplementationLimitTests::~ImplementationLimitTests (void)
420 {
421 }
422 
init(void)423 void ImplementationLimitTests::init (void)
424 {
425 	const int	minVertexUniformBlocks					= 12;
426 	const int	minVertexUniformComponents				= 1024;
427 
428 	const int	minFragmentUniformBlocks				= 12;
429 	const int	minFragmentUniformComponents			= 896;
430 
431 	const int	minUniformBlockSize						= 16384;
432 	const int	minCombinedVertexUniformComponents		= (minVertexUniformBlocks*minUniformBlockSize)/4 + minVertexUniformComponents;
433 	const int	minCombinedFragmentUniformComponents	= (minFragmentUniformBlocks*minUniformBlockSize)/4 + minFragmentUniformComponents;
434 
435 #define LIMIT_CASE(NAME, PARAM, TYPE, MIN_VAL)	\
436 	addChild(new LimitQueryCase<TYPE>(m_context, #NAME, #PARAM, PARAM, MIN_VAL))
437 
438 	LIMIT_CASE(max_element_index,				GL_MAX_ELEMENT_INDEX,					GLint64,	(1<<24)-1);
439 	LIMIT_CASE(subpixel_bits,					GL_SUBPIXEL_BITS,						GLint,		4);
440 	LIMIT_CASE(max_3d_texture_size,				GL_MAX_3D_TEXTURE_SIZE,					GLint,		256);
441 	LIMIT_CASE(max_texture_size,				GL_MAX_TEXTURE_SIZE,					GLint,		2048);
442 	LIMIT_CASE(max_array_texture_layers,		GL_MAX_ARRAY_TEXTURE_LAYERS,			GLint,		256);
443 	LIMIT_CASE(max_texture_lod_bias,			GL_MAX_TEXTURE_LOD_BIAS,				GLfloat,	2.0f);
444 	LIMIT_CASE(max_cube_map_texture_size,		GL_MAX_CUBE_MAP_TEXTURE_SIZE,			GLint,		2048);
445 	LIMIT_CASE(max_renderbuffer_size,			GL_MAX_RENDERBUFFER_SIZE,				GLint,		2048);
446 	LIMIT_CASE(max_draw_buffers,				GL_MAX_DRAW_BUFFERS,					GLint,		4);
447 	LIMIT_CASE(max_color_attachments,			GL_MAX_COLOR_ATTACHMENTS,				GLint,		4);
448 	// GL_MAX_VIEWPORT_DIMS
449 	LIMIT_CASE(aliased_point_size_range,		GL_ALIASED_POINT_SIZE_RANGE,			FloatRange,	FloatRange(1,1));
450 	LIMIT_CASE(aliased_line_width_range,		GL_ALIASED_LINE_WIDTH_RANGE,			FloatRange,	FloatRange(1,1));
451 	LIMIT_CASE(max_elements_indices,			GL_MAX_ELEMENTS_INDICES,				GLint,		0);
452 	LIMIT_CASE(max_elements_vertices,			GL_MAX_ELEMENTS_VERTICES,				GLint,		0);
453 	LIMIT_CASE(num_compressed_texture_formats,	GL_NUM_COMPRESSED_TEXTURE_FORMATS,		GLint,		DE_LENGTH_OF_ARRAY(s_requiredCompressedTexFormats));
454 	addChild(new CompressedTextureFormatsQueryCase(m_context)); // GL_COMPRESSED_TEXTURE_FORMATS
455 	// GL_PROGRAM_BINARY_FORMATS
456 	LIMIT_CASE(num_program_binary_formats,		GL_NUM_PROGRAM_BINARY_FORMATS,			GLint,		0);
457 	// GL_SHADER_BINARY_FORMATS
458 	LIMIT_CASE(num_shader_binary_formats,		GL_NUM_SHADER_BINARY_FORMATS,			GLint,		0);
459 	LIMIT_CASE(shader_compiler,					GL_SHADER_COMPILER,						Boolean,	GL_TRUE);
460 	// Shader data type ranges & precisions
461 	LIMIT_CASE(max_server_wait_timeout,			GL_MAX_SERVER_WAIT_TIMEOUT,				GLuint64,	0);
462 
463 	// Version and extension support
464 	addChild(new ExtensionQueryCase(m_context)); // GL_EXTENSIONS + consistency validation
465 	LIMIT_CASE(num_extensions,					GL_NUM_EXTENSIONS,						GLint,		0);
466 	LIMIT_CASE(major_version,					GL_MAJOR_VERSION,						GLint,		3);
467 	LIMIT_CASE(minor_version,					GL_MINOR_VERSION,						GLint,		0);
468 	// GL_RENDERER
469 	// GL_SHADING_LANGUAGE_VERSION
470 	// GL_VENDOR
471 	// GL_VERSION
472 
473 	// Vertex shader limits
474 	LIMIT_CASE(max_vertex_attribs,				GL_MAX_VERTEX_ATTRIBS,					GLint,		16);
475 	LIMIT_CASE(max_vertex_uniform_components,	GL_MAX_VERTEX_UNIFORM_COMPONENTS,		GLint,		minVertexUniformComponents);
476 	LIMIT_CASE(max_vertex_uniform_vectors,		GL_MAX_VERTEX_UNIFORM_VECTORS,			GLint,		minVertexUniformComponents/4);
477 	LIMIT_CASE(max_vertex_uniform_blocks,		GL_MAX_VERTEX_UNIFORM_BLOCKS,			GLint,		minVertexUniformBlocks);
478 	LIMIT_CASE(max_vertex_output_components,	GL_MAX_VERTEX_OUTPUT_COMPONENTS,		GLint,		64);
479 	LIMIT_CASE(max_vertex_texture_image_units,	GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS,		GLint,		16);
480 
481 	// Fragment shader limits
482 	LIMIT_CASE(max_fragment_uniform_components,	GL_MAX_FRAGMENT_UNIFORM_COMPONENTS,		GLint,		minFragmentUniformComponents);
483 	LIMIT_CASE(max_fragment_uniform_vectors,	GL_MAX_FRAGMENT_UNIFORM_VECTORS,		GLint,		minFragmentUniformComponents/4);
484 	LIMIT_CASE(max_fragment_uniform_blocks,		GL_MAX_FRAGMENT_UNIFORM_BLOCKS,			GLint,		minFragmentUniformBlocks);
485 	LIMIT_CASE(max_fragment_input_components,	GL_MAX_FRAGMENT_INPUT_COMPONENTS,		GLint,		60);
486 	LIMIT_CASE(max_texture_image_units,			GL_MAX_TEXTURE_IMAGE_UNITS,				GLint,		16);
487 	LIMIT_CASE(min_program_texel_offset,		GL_MIN_PROGRAM_TEXEL_OFFSET,			NegInt,		-8);
488 	LIMIT_CASE(max_program_texel_offset,		GL_MAX_PROGRAM_TEXEL_OFFSET,			GLint,		7);
489 
490 	// Aggregate shader limits
491 	LIMIT_CASE(max_uniform_buffer_bindings,						GL_MAX_UNIFORM_BUFFER_BINDINGS,						GLint,				24);
492 	LIMIT_CASE(max_uniform_block_size,							GL_MAX_UNIFORM_BLOCK_SIZE,							GLint64,			minUniformBlockSize);
493 	LIMIT_CASE(uniform_buffer_offset_alignment,					GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT,					AlignmentInt,		256);
494 	LIMIT_CASE(max_combined_uniform_blocks,						GL_MAX_COMBINED_UNIFORM_BLOCKS,						GLint,				24);
495 	LIMIT_CASE(max_combined_vertex_uniform_components,			GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS,			GLint64,			minCombinedVertexUniformComponents);
496 	LIMIT_CASE(max_combined_fragment_uniform_components,		GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS,		GLint64,			minCombinedFragmentUniformComponents);
497 	LIMIT_CASE(max_varying_components,							GL_MAX_VARYING_COMPONENTS,							GLint,				60);
498 	LIMIT_CASE(max_varying_vectors,								GL_MAX_VARYING_VECTORS,								GLint,				15);
499 	LIMIT_CASE(max_combined_texture_image_units,				GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS,				GLint,				32);
500 
501 	// Transform feedback limits
502 	LIMIT_CASE(max_transform_feedback_interleaved_components,	GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS,	GLint,				64);
503 	LIMIT_CASE(max_transform_feedback_separate_attribs,			GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS,			GLint,				4);
504 	LIMIT_CASE(max_transform_feedback_separate_components,		GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS,		GLint,				4);
505 }
506 
507 } // Functional
508 } // gles3
509 } // deqp
510