Home | History | Annotate | Download | only in functional
      1 /*-------------------------------------------------------------------------
      2  * drawElements Quality Program OpenGL ES 2.0 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 Float State Query tests.
     22  *//*--------------------------------------------------------------------*/
     23 
     24 #include "es2fFloatStateQueryTests.hpp"
     25 #include "glsStateQueryUtil.hpp"
     26 #include "es2fApiCase.hpp"
     27 #include "gluRenderContext.hpp"
     28 #include "tcuRenderTarget.hpp"
     29 #include "tcuFormatUtil.hpp"
     30 #include "deRandom.hpp"
     31 #include "deMath.h"
     32 #include "glwEnums.hpp"
     33 
     34 #include <limits>
     35 
     36 using namespace glw; // GLint and other GL types
     37 using namespace deqp::gls;
     38 using deqp::gls::StateQueryUtil::StateQueryMemoryWriteGuard;
     39 
     40 namespace deqp
     41 {
     42 namespace gles2
     43 {
     44 namespace Functional
     45 {
     46 namespace FloatStateQueryVerifiers
     47 {
     48 namespace
     49 {
     50 
     51 const int FLOAT_EXPANSION_E		= 0x03FF; // 10 bits error allowed, requires 22 accurate bits
     52 const int FLOAT_EXPANSION_E_64	= 0x07FF;
     53 
     54 GLint64 expandGLFloatToInteger (GLfloat f)
     55 {
     56 	const GLuint64 referenceValue = (GLint64)((f * double(0xFFFFFFFFULL) - 1) / 2);
     57 	return referenceValue;
     58 }
     59 
     60 GLint clampToGLint (GLint64 val)
     61 {
     62 	return (GLint)de::clamp<GLint64>(val, std::numeric_limits<GLint>::min(), std::numeric_limits<GLint>::max());
     63 }
     64 
     65 } // anonymous
     66 
     67 // StateVerifier
     68 
     69 class StateVerifier : protected glu::CallLogWrapper
     70 {
     71 public:
     72 						StateVerifier					(const glw::Functions& gl, tcu::TestLog& log, const char* testNamePostfix);
     73 	virtual				~StateVerifier					(); // make GCC happy
     74 
     75 	const char*			getTestNamePostfix				(void) const;
     76 
     77 	virtual void		verifyFloat						(tcu::TestContext& testCtx, GLenum name, GLfloat reference)																																		= DE_NULL;
     78 
     79 	// "Expanded" == Float to int conversion converts from [-1.0 to 1.0] -> [MIN_INT MAX_INT]
     80 	virtual void		verifyFloatExpanded				(tcu::TestContext& testCtx, GLenum name, GLfloat reference)																																		= DE_NULL;
     81 	virtual void		verifyFloat2Expanded			(tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1)																												= DE_NULL;
     82 	virtual void		verifyFloat4Color				(tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1, GLfloat reference2, GLfloat reference3)																		= DE_NULL;
     83 
     84 	// verify that the given range is completely whitin the GL state range
     85 	virtual void		verifyFloatRange				(tcu::TestContext& testCtx, GLenum name, GLfloat min, GLfloat max)																																= DE_NULL;
     86 
     87 private:
     88 	const char*	const	m_testNamePostfix;
     89 };
     90 
     91 StateVerifier::StateVerifier (const glw::Functions& gl, tcu::TestLog& log, const char* testNamePostfix)
     92 	: glu::CallLogWrapper	(gl, log)
     93 	, m_testNamePostfix		(testNamePostfix)
     94 {
     95 	enableLogging(true);
     96 }
     97 
     98 StateVerifier::~StateVerifier ()
     99 {
    100 }
    101 
    102 const char* StateVerifier::getTestNamePostfix (void) const
    103 {
    104 	return m_testNamePostfix;
    105 }
    106 
    107 // GetBooleanVerifier
    108 
    109 class GetBooleanVerifier : public StateVerifier
    110 {
    111 public:
    112 			GetBooleanVerifier				(const glw::Functions& gl, tcu::TestLog& log);
    113 	void	verifyFloat						(tcu::TestContext& testCtx, GLenum name, GLfloat reference);
    114 	void	verifyFloatExpanded				(tcu::TestContext& testCtx, GLenum name, GLfloat reference);
    115 	void	verifyFloat2Expanded			(tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1);
    116 	void	verifyFloat4Color				(tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1, GLfloat reference2, GLfloat reference3);
    117 	void	verifyFloatRange				(tcu::TestContext& testCtx, GLenum name, GLfloat min, GLfloat max);
    118 };
    119 
    120 GetBooleanVerifier::GetBooleanVerifier (const glw::Functions& gl, tcu::TestLog& log)
    121 	: StateVerifier(gl, log, "_getboolean")
    122 {
    123 }
    124 
    125 void GetBooleanVerifier::verifyFloat (tcu::TestContext& testCtx, GLenum name, GLfloat reference)
    126 {
    127 	using tcu::TestLog;
    128 
    129 	StateQueryMemoryWriteGuard<GLboolean> state;
    130 	glGetBooleanv(name, &state);
    131 
    132 	if (!state.verifyValidity(testCtx))
    133 		return;
    134 
    135 	const GLboolean expectedGLState = reference != 0.0f ? GL_TRUE : GL_FALSE;
    136 
    137 	if (state != expectedGLState)
    138 	{
    139 		testCtx.getLog() << TestLog::Message << "// ERROR: expected " << (expectedGLState==GL_TRUE ? "GL_TRUE" : "GL_FALSE") << "; got " << (state == GL_TRUE ? "GL_TRUE" : (state == GL_FALSE ? "GL_FALSE" : "non-boolean")) << TestLog::EndMessage;
    140 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    141 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid boolean value");
    142 	}
    143 }
    144 
    145 void GetBooleanVerifier::verifyFloatExpanded (tcu::TestContext& testCtx, GLenum name, GLfloat reference)
    146 {
    147 	DE_ASSERT(de::inRange(reference, -1.0f, 1.0f));
    148 	verifyFloat(testCtx, name, reference);
    149 }
    150 
    151 void GetBooleanVerifier::verifyFloat2Expanded (tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1)
    152 {
    153 	DE_ASSERT(de::inRange(reference0, -1.0f, 1.0f));
    154 	DE_ASSERT(de::inRange(reference1, -1.0f, 1.0f));
    155 
    156 	using tcu::TestLog;
    157 
    158 	const GLboolean referenceAsGLBoolean[] =
    159 	{
    160 		reference0 != 0.0f ? GLboolean(GL_TRUE) : GLboolean(GL_FALSE),
    161 		reference1 != 0.0f ? GLboolean(GL_TRUE) : GLboolean(GL_FALSE),
    162 	};
    163 
    164 	StateQueryMemoryWriteGuard<GLboolean[2]> boolVector2;
    165 	glGetBooleanv(name, boolVector2);
    166 
    167 	if (!boolVector2.verifyValidity(testCtx))
    168 		return;
    169 
    170 	if (boolVector2[0] != referenceAsGLBoolean[0] ||
    171 		boolVector2[1] != referenceAsGLBoolean[1])
    172 	{
    173 		testCtx.getLog() << TestLog::Message << "// ERROR: expected "
    174 			<< (boolVector2[0] ? "GL_TRUE" : "GL_FALSE") << " "
    175 			<< (boolVector2[1] ? "GL_TRUE" : "GL_FALSE") << " "
    176 			<< TestLog::EndMessage;
    177 
    178 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    179 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid boolean value");
    180 	}
    181 }
    182 
    183 void GetBooleanVerifier::verifyFloat4Color (tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1, GLfloat reference2, GLfloat reference3)
    184 {
    185 	using tcu::TestLog;
    186 
    187 	const GLboolean referenceAsGLBoolean[] =
    188 	{
    189 		reference0 != 0.0f ? GLboolean(GL_TRUE) : GLboolean(GL_FALSE),
    190 		reference1 != 0.0f ? GLboolean(GL_TRUE) : GLboolean(GL_FALSE),
    191 		reference2 != 0.0f ? GLboolean(GL_TRUE) : GLboolean(GL_FALSE),
    192 		reference3 != 0.0f ? GLboolean(GL_TRUE) : GLboolean(GL_FALSE),
    193 	};
    194 
    195 	StateQueryMemoryWriteGuard<GLboolean[4]> boolVector4;
    196 	glGetBooleanv(name, boolVector4);
    197 
    198 	if (!boolVector4.verifyValidity(testCtx))
    199 		return;
    200 
    201 	if (boolVector4[0] != referenceAsGLBoolean[0] ||
    202 		boolVector4[1] != referenceAsGLBoolean[1] ||
    203 		boolVector4[2] != referenceAsGLBoolean[2] ||
    204 		boolVector4[3] != referenceAsGLBoolean[3])
    205 	{
    206 		testCtx.getLog() << TestLog::Message << "// ERROR: expected "
    207 			<< (referenceAsGLBoolean[0] ? "GL_TRUE" : "GL_FALSE") << " "
    208 			<< (referenceAsGLBoolean[1] ? "GL_TRUE" : "GL_FALSE") << " "
    209 			<< (referenceAsGLBoolean[2] ? "GL_TRUE" : "GL_FALSE") << " "
    210 			<< (referenceAsGLBoolean[3] ? "GL_TRUE" : "GL_FALSE") << TestLog::EndMessage;
    211 
    212 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    213 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid boolean value");
    214 	}
    215 }
    216 
    217 void GetBooleanVerifier::verifyFloatRange (tcu::TestContext& testCtx, GLenum name, GLfloat min, GLfloat max)
    218 {
    219 	using tcu::TestLog;
    220 
    221 	StateQueryMemoryWriteGuard<GLboolean[2]> range;
    222 	glGetBooleanv(name, range);
    223 
    224 	if (!range.verifyValidity(testCtx))
    225 		return;
    226 
    227 	if (range[0] == GL_FALSE)
    228 	{
    229 		if (max < 0 || min < 0)
    230 		{
    231 			testCtx.getLog() << TestLog::Message << "// ERROR: range [" << min << ", " << max << "] is not in range [" << (range[0] == GL_TRUE ? "GL_TRUE" : (range[0] == GL_FALSE ? "GL_FALSE" : "non-boolean")) << ", " << (range[1] == GL_TRUE ? "GL_TRUE" : (range[1] == GL_FALSE ? "GL_FALSE" : "non-boolean")) << "]"  << TestLog::EndMessage;
    232 			if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    233 				testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid boolean range");
    234 			return;
    235 		}
    236 	}
    237 	if (range[1] == GL_FALSE)
    238 	{
    239 		if (max > 0 || min > 0)
    240 		{
    241 			testCtx.getLog() << TestLog::Message << "// ERROR: range [" << min << ", " << max << "] is not in range [" << (range[0] == GL_TRUE ? "GL_TRUE" : (range[0] == GL_FALSE ? "GL_FALSE" : "non-boolean")) << ", " << (range[1] == GL_TRUE ? "GL_TRUE" : (range[1] == GL_FALSE ? "GL_FALSE" : "non-boolean")) << "]"  << TestLog::EndMessage;
    242 			if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    243 				testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid boolean range");
    244 			return;
    245 		}
    246 	}
    247 }
    248 
    249 //GetIntegerVerifier
    250 
    251 class GetIntegerVerifier : public StateVerifier
    252 {
    253 public:
    254 			GetIntegerVerifier		(const glw::Functions& gl, tcu::TestLog& log);
    255 	void	verifyFloat						(tcu::TestContext& testCtx, GLenum name, GLfloat reference);
    256 	void	verifyFloatExpanded				(tcu::TestContext& testCtx, GLenum name, GLfloat reference);
    257 	void	verifyFloat2Expanded			(tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1);
    258 	void	verifyFloat4Color				(tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1, GLfloat reference2, GLfloat reference3);
    259 	void	verifyFloatRange				(tcu::TestContext& testCtx, GLenum name, GLfloat min, GLfloat max);
    260 };
    261 
    262 GetIntegerVerifier::GetIntegerVerifier (const glw::Functions& gl, tcu::TestLog& log)
    263 	: StateVerifier(gl, log, "_getinteger")
    264 {
    265 }
    266 
    267 void GetIntegerVerifier::verifyFloat (tcu::TestContext& testCtx, GLenum name, GLfloat reference)
    268 {
    269 	using tcu::TestLog;
    270 
    271 	const GLint expectedGLStateMax = StateQueryUtil::roundGLfloatToNearestIntegerHalfUp<GLint>(reference);
    272 	const GLint expectedGLStateMin = StateQueryUtil::roundGLfloatToNearestIntegerHalfDown<GLint>(reference);
    273 
    274 	StateQueryMemoryWriteGuard<GLint> state;
    275 	glGetIntegerv(name, &state);
    276 
    277 	if (!state.verifyValidity(testCtx))
    278 		return;
    279 
    280 	if (state < expectedGLStateMin || state > expectedGLStateMax)
    281 	{
    282 		testCtx.getLog() << TestLog::Message << "// ERROR: expected rounding to the nearest integer, valid range [" << expectedGLStateMin << "," << expectedGLStateMax << "]; got " << state << TestLog::EndMessage;
    283 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    284 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid integer value");
    285 	}
    286 }
    287 
    288 void GetIntegerVerifier::verifyFloatExpanded (tcu::TestContext& testCtx, GLenum name, GLfloat reference)
    289 {
    290 	DE_ASSERT(de::inRange(reference, -1.0f, 1.0f));
    291 
    292 	using tcu::TestLog;
    293 	using tcu::toHex;
    294 
    295 	const GLint expectedGLStateMax = clampToGLint(expandGLFloatToInteger(reference) + FLOAT_EXPANSION_E);
    296 	const GLint expectedGLStateMin = clampToGLint(expandGLFloatToInteger(reference) - FLOAT_EXPANSION_E);
    297 
    298 	StateQueryMemoryWriteGuard<GLint> state;
    299 	glGetIntegerv(name, &state);
    300 
    301 	if (!state.verifyValidity(testCtx))
    302 		return;
    303 
    304 	if (state < expectedGLStateMin || state > expectedGLStateMax)
    305 	{
    306 		testCtx.getLog() << TestLog::Message << "// ERROR: expected in range [" << toHex(expectedGLStateMin) << "," << toHex(expectedGLStateMax) << "]; got " << toHex((GLint)state) << TestLog::EndMessage;
    307 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    308 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid integer value");
    309 	}
    310 }
    311 
    312 void GetIntegerVerifier::verifyFloat2Expanded (tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1)
    313 {
    314 	DE_ASSERT(de::inRange(reference0, -1.0f, 1.0f));
    315 	DE_ASSERT(de::inRange(reference1, -1.0f, 1.0f));
    316 
    317 	using tcu::TestLog;
    318 	using tcu::toHex;
    319 
    320 	const GLint referenceAsGLintMin[] =
    321 	{
    322 		clampToGLint(expandGLFloatToInteger(reference0) - FLOAT_EXPANSION_E),
    323 		clampToGLint(expandGLFloatToInteger(reference1) - FLOAT_EXPANSION_E)
    324 	};
    325 	const GLint referenceAsGLintMax[] =
    326 	{
    327 		clampToGLint(expandGLFloatToInteger(reference0) + FLOAT_EXPANSION_E),
    328 		clampToGLint(expandGLFloatToInteger(reference1) + FLOAT_EXPANSION_E)
    329 	};
    330 
    331 	StateQueryMemoryWriteGuard<GLint[2]> floatVector2;
    332 	glGetIntegerv(name, floatVector2);
    333 
    334 	if (!floatVector2.verifyValidity(testCtx))
    335 		return;
    336 
    337 	if (floatVector2[0] < referenceAsGLintMin[0] || floatVector2[0] > referenceAsGLintMax[0] ||
    338 		floatVector2[1] < referenceAsGLintMin[1] || floatVector2[1] > referenceAsGLintMax[1])
    339 	{
    340 		testCtx.getLog() << TestLog::Message
    341 			<< "// ERROR: expected in ranges "
    342 			<< "[" << toHex(referenceAsGLintMin[0]) << " " << toHex(referenceAsGLintMax[0]) << "], "
    343 			<< "[" << toHex(referenceAsGLintMin[1]) << " " << toHex(referenceAsGLintMax[1]) << "]"
    344 			<< "; got "
    345 			<< toHex(floatVector2[0]) << ", "
    346 			<< toHex(floatVector2[1]) << " "<< TestLog::EndMessage;
    347 
    348 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    349 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid integer value");
    350 	}
    351 }
    352 
    353 void GetIntegerVerifier::verifyFloat4Color (tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1, GLfloat reference2, GLfloat reference3)
    354 {
    355 	using tcu::TestLog;
    356 	using tcu::toHex;
    357 
    358 	const GLint referenceAsGLintMin[] =
    359 	{
    360 		clampToGLint(expandGLFloatToInteger(reference0) - FLOAT_EXPANSION_E),
    361 		clampToGLint(expandGLFloatToInteger(reference1) - FLOAT_EXPANSION_E),
    362 		clampToGLint(expandGLFloatToInteger(reference2) - FLOAT_EXPANSION_E),
    363 		clampToGLint(expandGLFloatToInteger(reference3) - FLOAT_EXPANSION_E)
    364 	};
    365 	const GLint referenceAsGLintMax[] =
    366 	{
    367 		clampToGLint(expandGLFloatToInteger(reference0) + FLOAT_EXPANSION_E),
    368 		clampToGLint(expandGLFloatToInteger(reference1) + FLOAT_EXPANSION_E),
    369 		clampToGLint(expandGLFloatToInteger(reference2) + FLOAT_EXPANSION_E),
    370 		clampToGLint(expandGLFloatToInteger(reference3) + FLOAT_EXPANSION_E)
    371 	};
    372 
    373 	StateQueryMemoryWriteGuard<GLint[4]> floatVector4;
    374 	glGetIntegerv(name, floatVector4);
    375 
    376 	if (!floatVector4.verifyValidity(testCtx))
    377 		return;
    378 
    379 	if (floatVector4[0] < referenceAsGLintMin[0] || floatVector4[0] > referenceAsGLintMax[0] ||
    380 		floatVector4[1] < referenceAsGLintMin[1] || floatVector4[1] > referenceAsGLintMax[1] ||
    381 		floatVector4[2] < referenceAsGLintMin[2] || floatVector4[2] > referenceAsGLintMax[2] ||
    382 		floatVector4[3] < referenceAsGLintMin[3] || floatVector4[3] > referenceAsGLintMax[3])
    383 	{
    384 		testCtx.getLog() << TestLog::Message
    385 			<< "// ERROR: expected in ranges "
    386 			<< "[" << toHex(referenceAsGLintMin[0]) << " " << toHex(referenceAsGLintMax[0]) << "], "
    387 			<< "[" << toHex(referenceAsGLintMin[1]) << " " << toHex(referenceAsGLintMax[1]) << "], "
    388 			<< "[" << toHex(referenceAsGLintMin[2]) << " " << toHex(referenceAsGLintMax[2]) << "], "
    389 			<< "[" << toHex(referenceAsGLintMin[3]) << " " << toHex(referenceAsGLintMax[3]) << "]"
    390 			<< "; got "
    391 			<< toHex(floatVector4[0]) << ", "
    392 			<< toHex(floatVector4[1]) << ", "
    393 			<< toHex(floatVector4[2]) << ", "
    394 			<< toHex(floatVector4[3]) << " "<< TestLog::EndMessage;
    395 
    396 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    397 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid integer value");
    398 	}
    399 }
    400 
    401 void GetIntegerVerifier::verifyFloatRange (tcu::TestContext& testCtx, GLenum name, GLfloat min, GLfloat max)
    402 {
    403 	using tcu::TestLog;
    404 
    405 	const GLint testRangeAsGLint[] =
    406 	{
    407 		StateQueryUtil::roundGLfloatToNearestIntegerHalfUp<GLint>(min),
    408 		StateQueryUtil::roundGLfloatToNearestIntegerHalfDown<GLint>(max)
    409 	};
    410 
    411 	StateQueryMemoryWriteGuard<GLint[2]> range;
    412 	glGetIntegerv(name, range);
    413 
    414 	if (!range.verifyValidity(testCtx))
    415 		return;
    416 
    417 	// check if test range outside of gl state range
    418 	if (testRangeAsGLint[0] < range[0] ||
    419 		testRangeAsGLint[1] > range[1])
    420 	{
    421 		testCtx.getLog() << TestLog::Message
    422 			<< "// ERROR: range ["
    423 			<< testRangeAsGLint[0] << ", "
    424 			<< testRangeAsGLint[1] << "]"
    425 			<< " is not in range ["
    426 			<< range[0] << ", "
    427 			<< range[1] << "]" << TestLog::EndMessage;
    428 
    429 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    430 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid integer range");
    431 	}
    432 }
    433 
    434 //GetInteger64Verifier
    435 
    436 class GetInteger64Verifier : public StateVerifier
    437 {
    438 public:
    439 			GetInteger64Verifier		(const glw::Functions& gl, tcu::TestLog& log);
    440 	void	verifyFloat						(tcu::TestContext& testCtx, GLenum name, GLfloat reference);
    441 	void	verifyFloatExpanded				(tcu::TestContext& testCtx, GLenum name, GLfloat reference);
    442 	void	verifyFloat2Expanded			(tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1);
    443 	void	verifyFloat4Color				(tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1, GLfloat reference2, GLfloat reference3);
    444 	void	verifyFloatRange				(tcu::TestContext& testCtx, GLenum name, GLfloat min, GLfloat max);
    445 };
    446 
    447 GetInteger64Verifier::GetInteger64Verifier (const glw::Functions& gl, tcu::TestLog& log)
    448 	: StateVerifier(gl, log, "_getinteger64")
    449 {
    450 }
    451 
    452 void GetInteger64Verifier::verifyFloat (tcu::TestContext& testCtx, GLenum name, GLfloat reference)
    453 {
    454 	using tcu::TestLog;
    455 
    456 	const GLint64 expectedGLStateMax = StateQueryUtil::roundGLfloatToNearestIntegerHalfUp<GLint64>(reference);
    457 	const GLint64 expectedGLStateMin = StateQueryUtil::roundGLfloatToNearestIntegerHalfDown<GLint64>(reference);
    458 
    459 	StateQueryMemoryWriteGuard<GLint64> state;
    460 	glGetInteger64v(name, &state);
    461 
    462 	if (!state.verifyValidity(testCtx))
    463 		return;
    464 
    465 	if (state < expectedGLStateMin || state > expectedGLStateMax)
    466 	{
    467 		testCtx.getLog() << TestLog::Message << "// ERROR: expected rounding to the nearest integer, valid range [" << expectedGLStateMin << "," << expectedGLStateMax << "]; got " << state << TestLog::EndMessage;
    468 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    469 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid integer value");
    470 	}
    471 }
    472 
    473 void GetInteger64Verifier::verifyFloatExpanded (tcu::TestContext& testCtx, GLenum name, GLfloat reference)
    474 {
    475 	DE_ASSERT(de::inRange(reference, -1.0f, 1.0f));
    476 
    477 	using tcu::TestLog;
    478 	using tcu::toHex;
    479 
    480 	const GLint64 expectedGLStateMax = expandGLFloatToInteger(reference) + FLOAT_EXPANSION_E_64;
    481 	const GLint64 expectedGLStateMin = expandGLFloatToInteger(reference) - FLOAT_EXPANSION_E_64;
    482 
    483 	StateQueryMemoryWriteGuard<GLint64> state;
    484 	glGetInteger64v(name, &state);
    485 
    486 	if (!state.verifyValidity(testCtx))
    487 		return;
    488 
    489 	if (state < expectedGLStateMin || state > expectedGLStateMax)
    490 	{
    491 		testCtx.getLog() << TestLog::Message << "// ERROR: expected in range [" << toHex(expectedGLStateMin) << "," << toHex(expectedGLStateMax) << "]; got " << toHex((GLint64)state) << TestLog::EndMessage;
    492 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    493 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid integer value");
    494 	}
    495 }
    496 
    497 void GetInteger64Verifier::verifyFloat2Expanded (tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1)
    498 {
    499 	DE_ASSERT(de::inRange(reference0, -1.0f, 1.0f));
    500 	DE_ASSERT(de::inRange(reference1, -1.0f, 1.0f));
    501 
    502 	using tcu::TestLog;
    503 	using tcu::toHex;
    504 
    505 	const GLint64 referenceAsGLintMin[] =
    506 	{
    507 		expandGLFloatToInteger(reference0) - FLOAT_EXPANSION_E_64,
    508 		expandGLFloatToInteger(reference1) - FLOAT_EXPANSION_E_64
    509 	};
    510 	const GLint64 referenceAsGLintMax[] =
    511 	{
    512 		expandGLFloatToInteger(reference0) + FLOAT_EXPANSION_E_64,
    513 		expandGLFloatToInteger(reference1) + FLOAT_EXPANSION_E_64
    514 	};
    515 
    516 	StateQueryMemoryWriteGuard<GLint64[2]> floatVector2;
    517 	glGetInteger64v(name, floatVector2);
    518 
    519 	if (!floatVector2.verifyValidity(testCtx))
    520 		return;
    521 
    522 	if (floatVector2[0] < referenceAsGLintMin[0] || floatVector2[0] > referenceAsGLintMax[0] ||
    523 		floatVector2[1] < referenceAsGLintMin[1] || floatVector2[1] > referenceAsGLintMax[1])
    524 	{
    525 		testCtx.getLog() << TestLog::Message
    526 			<< "// ERROR: expected in ranges "
    527 			<< "[" << toHex(referenceAsGLintMin[0]) << " " << toHex(referenceAsGLintMax[0]) << "], "
    528 			<< "[" << toHex(referenceAsGLintMin[1]) << " " << toHex(referenceAsGLintMax[1]) << "]"
    529 			<< "; got "
    530 			<< toHex(floatVector2[0]) << ", "
    531 			<< toHex(floatVector2[1]) << " "<< TestLog::EndMessage;
    532 
    533 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    534 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid integer value");
    535 	}
    536 }
    537 
    538 void GetInteger64Verifier::verifyFloat4Color (tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1, GLfloat reference2, GLfloat reference3)
    539 {
    540 	using tcu::TestLog;
    541 	using tcu::toHex;
    542 
    543 	const GLint64 referenceAsGLintMin[] =
    544 	{
    545 		expandGLFloatToInteger(reference0) - FLOAT_EXPANSION_E_64,
    546 		expandGLFloatToInteger(reference1) - FLOAT_EXPANSION_E_64,
    547 		expandGLFloatToInteger(reference2) - FLOAT_EXPANSION_E_64,
    548 		expandGLFloatToInteger(reference3) - FLOAT_EXPANSION_E_64
    549 	};
    550 	const GLint64 referenceAsGLintMax[] =
    551 	{
    552 		expandGLFloatToInteger(reference0) + FLOAT_EXPANSION_E_64,
    553 		expandGLFloatToInteger(reference1) + FLOAT_EXPANSION_E_64,
    554 		expandGLFloatToInteger(reference2) + FLOAT_EXPANSION_E_64,
    555 		expandGLFloatToInteger(reference3) + FLOAT_EXPANSION_E_64
    556 	};
    557 
    558 	StateQueryMemoryWriteGuard<GLint64[4]> floatVector4;
    559 	glGetInteger64v(name, floatVector4);
    560 
    561 	if (!floatVector4.verifyValidity(testCtx))
    562 		return;
    563 
    564 	if (floatVector4[0] < referenceAsGLintMin[0] || floatVector4[0] > referenceAsGLintMax[0] ||
    565 		floatVector4[1] < referenceAsGLintMin[1] || floatVector4[1] > referenceAsGLintMax[1] ||
    566 		floatVector4[2] < referenceAsGLintMin[2] || floatVector4[2] > referenceAsGLintMax[2] ||
    567 		floatVector4[3] < referenceAsGLintMin[3] || floatVector4[3] > referenceAsGLintMax[3])
    568 	{
    569 		testCtx.getLog() << TestLog::Message
    570 			<< "// ERROR: expected in ranges "
    571 			<< "[" << toHex(referenceAsGLintMin[0]) << " " << toHex(referenceAsGLintMax[0]) << "], "
    572 			<< "[" << toHex(referenceAsGLintMin[1]) << " " << toHex(referenceAsGLintMax[1]) << "], "
    573 			<< "[" << toHex(referenceAsGLintMin[2]) << " " << toHex(referenceAsGLintMax[2]) << "], "
    574 			<< "[" << toHex(referenceAsGLintMin[3]) << " " << toHex(referenceAsGLintMax[3]) << "]"
    575 			<< "; got "
    576 			<< toHex(floatVector4[0]) << ", "
    577 			<< toHex(floatVector4[1]) << ", "
    578 			<< toHex(floatVector4[2]) << ", "
    579 			<< toHex(floatVector4[3]) << " "<< TestLog::EndMessage;
    580 
    581 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    582 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid integer value");
    583 	}
    584 }
    585 
    586 void GetInteger64Verifier::verifyFloatRange (tcu::TestContext& testCtx, GLenum name, GLfloat min, GLfloat max)
    587 {
    588 	using tcu::TestLog;
    589 
    590 	const GLint64 testRangeAsGLint[] =
    591 	{
    592 		StateQueryUtil::roundGLfloatToNearestIntegerHalfUp<GLint64>(min),
    593 		StateQueryUtil::roundGLfloatToNearestIntegerHalfDown<GLint64>(max)
    594 	};
    595 
    596 	StateQueryMemoryWriteGuard<GLint64[2]> range;
    597 	glGetInteger64v(name, range);
    598 
    599 	if (!range.verifyValidity(testCtx))
    600 		return;
    601 
    602 	// check if test range outside of gl state range
    603 	if (testRangeAsGLint[0] < range[0] ||
    604 		testRangeAsGLint[1] > range[1])
    605 	{
    606 		testCtx.getLog() << TestLog::Message
    607 			<< "// ERROR: range ["
    608 			<< testRangeAsGLint[0] << ", "
    609 			<< testRangeAsGLint[1] << "]"
    610 			<< " is not in range ["
    611 			<< range[0] << ", "
    612 			<< range[1] << "]" << TestLog::EndMessage;
    613 
    614 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    615 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid integer range");
    616 	}
    617 }
    618 
    619 //GetFloatVerifier
    620 
    621 class GetFloatVerifier : public StateVerifier
    622 {
    623 public:
    624 			GetFloatVerifier			(const glw::Functions& gl, tcu::TestLog& log);
    625 	void	verifyFloat						(tcu::TestContext& testCtx, GLenum name, GLfloat reference);
    626 	void	verifyFloatExpanded				(tcu::TestContext& testCtx, GLenum name, GLfloat reference);
    627 	void	verifyFloat2Expanded			(tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1);
    628 	void	verifyFloat4Color				(tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1, GLfloat reference2, GLfloat reference3);
    629 	void	verifyFloatRange				(tcu::TestContext& testCtx, GLenum name, GLfloat min, GLfloat max);
    630 };
    631 
    632 GetFloatVerifier::GetFloatVerifier (const glw::Functions& gl, tcu::TestLog& log)
    633 	: StateVerifier(gl, log, "_getfloat")
    634 {
    635 }
    636 
    637 void GetFloatVerifier::verifyFloat (tcu::TestContext& testCtx, GLenum name, GLfloat reference)
    638 {
    639 	using tcu::TestLog;
    640 
    641 	StateQueryMemoryWriteGuard<GLfloat> state;
    642 	glGetFloatv(name, &state);
    643 
    644 	if (!state.verifyValidity(testCtx))
    645 		return;
    646 
    647 	if (state != reference)
    648 	{
    649 		testCtx.getLog() << TestLog::Message << "// ERROR: expected " << reference << "; got " << state << TestLog::EndMessage;
    650 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    651 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid float value");
    652 	}
    653 }
    654 
    655 void GetFloatVerifier::verifyFloatExpanded (tcu::TestContext& testCtx, GLenum name, GLfloat reference)
    656 {
    657 	DE_ASSERT(de::inRange(reference, -1.0f, 1.0f));
    658 	verifyFloat(testCtx, name, reference);
    659 }
    660 
    661 void GetFloatVerifier::verifyFloat2Expanded (tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1)
    662 {
    663 	DE_ASSERT(de::inRange(reference0, -1.0f, 1.0f));
    664 	DE_ASSERT(de::inRange(reference1, -1.0f, 1.0f));
    665 
    666 	using tcu::TestLog;
    667 
    668 	StateQueryMemoryWriteGuard<GLfloat[2]> floatVector2;
    669 	glGetFloatv(name, floatVector2);
    670 
    671 	if (!floatVector2.verifyValidity(testCtx))
    672 		return;
    673 
    674 	if (floatVector2[0] != reference0 ||
    675 		floatVector2[1] != reference1)
    676 	{
    677 		testCtx.getLog() << TestLog::Message << "// ERROR: expected " << reference0 << ", " << reference1 << "; got " << floatVector2[0] << " " << floatVector2[1] << TestLog::EndMessage;
    678 
    679 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    680 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid float value");
    681 	}
    682 }
    683 
    684 void GetFloatVerifier::verifyFloat4Color (tcu::TestContext& testCtx, GLenum name, GLfloat reference0, GLfloat reference1, GLfloat reference2, GLfloat reference3)
    685 {
    686 	using tcu::TestLog;
    687 
    688 	StateQueryMemoryWriteGuard<GLfloat[4]> floatVector4;
    689 	glGetFloatv(name, floatVector4);
    690 
    691 	if (!floatVector4.verifyValidity(testCtx))
    692 		return;
    693 
    694 	if (floatVector4[0] != reference0 ||
    695 		floatVector4[1] != reference1 ||
    696 		floatVector4[2] != reference2 ||
    697 		floatVector4[3] != reference3)
    698 	{
    699 		testCtx.getLog() << TestLog::Message
    700 			<< "// ERROR: expected "<< reference0 << ", " << reference1 << ", " << reference2 << ", " << reference3
    701 			<< "; got " << floatVector4[0] << ", " << floatVector4[1] << ", " << floatVector4[2] << ", " << floatVector4[3]
    702 			<< TestLog::EndMessage;
    703 
    704 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    705 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid float value");
    706 	}
    707 }
    708 
    709 void GetFloatVerifier::verifyFloatRange (tcu::TestContext& testCtx, GLenum name, GLfloat min, GLfloat max)
    710 {
    711 	using tcu::TestLog;
    712 
    713 	StateQueryMemoryWriteGuard<GLfloat[2]> floatVector2;
    714 	glGetFloatv(name, floatVector2);
    715 
    716 	if (!floatVector2.verifyValidity(testCtx))
    717 		return;
    718 
    719 	if (floatVector2[0] > min ||
    720 		floatVector2[1] < max)
    721 	{
    722 		testCtx.getLog() << TestLog::Message << "// ERROR: expected in range [" << min << ", " << max << "]; got [" << floatVector2[0] << " " << floatVector2[1]  << "]" << TestLog::EndMessage;
    723 
    724 		if (testCtx.getTestResult() == QP_TEST_RESULT_PASS)
    725 			testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got invalid float range");
    726 	}
    727 }
    728 
    729 } // FloatStateQueryVerifiers
    730 
    731 namespace
    732 {
    733 
    734 using namespace FloatStateQueryVerifiers;
    735 
    736 class DepthRangeCase : public ApiCase
    737 {
    738 public:
    739 	DepthRangeCase (Context& context, StateVerifier* verifier, const char* name, const char* description)
    740 		: ApiCase		(context, name, description)
    741 		, m_verifier	(verifier)
    742 	{
    743 	}
    744 
    745 	void test (void)
    746 	{
    747 		de::Random rnd(0xabcdef);
    748 
    749 		m_verifier->verifyFloat2Expanded(m_testCtx, GL_DEPTH_RANGE, 0.0f, 1.0f);
    750 		expectError(GL_NO_ERROR);
    751 
    752 		{
    753 			const struct FixedTest
    754 			{
    755 				float n, f;
    756 			} fixedTests[] =
    757 			{
    758 				{ 0.5f, 1.0f },
    759 				{ 0.0f, 0.5f },
    760 				{ 0.0f, 0.0f },
    761 				{ 1.0f, 1.0f }
    762 			};
    763 			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(fixedTests); ++ndx)
    764 			{
    765 				glDepthRangef(fixedTests[ndx].n, fixedTests[ndx].f);
    766 
    767 				m_verifier->verifyFloat2Expanded(m_testCtx, GL_DEPTH_RANGE, fixedTests[ndx].n, fixedTests[ndx].f);
    768 				expectError(GL_NO_ERROR);
    769 			}
    770 		}
    771 
    772 		{
    773 			const int numIterations = 120;
    774 			for (int i = 0; i < numIterations; ++i)
    775 			{
    776 				GLfloat n	= rnd.getFloat(0, 1);
    777 				GLfloat f	= rnd.getFloat(0, 1);
    778 
    779 				glDepthRangef(n, f);
    780 				m_verifier->verifyFloat2Expanded(m_testCtx, GL_DEPTH_RANGE, n, f);
    781 				expectError(GL_NO_ERROR);
    782 			}
    783 		}
    784 	}
    785 private:
    786 	StateVerifier*	m_verifier;
    787 };
    788 
    789 class LineWidthCase : public ApiCase
    790 {
    791 public:
    792 	LineWidthCase (Context& context, StateVerifier* verifier, const char* name, const char* description)
    793 		: ApiCase		(context, name, description)
    794 		, m_verifier	(verifier)
    795 	{
    796 	}
    797 
    798 	void test (void)
    799 	{
    800 		de::Random rnd(0xabcdef);
    801 
    802 		GLfloat range[2] = {1};
    803 		glGetFloatv(GL_ALIASED_LINE_WIDTH_RANGE, range);
    804 		expectError(GL_NO_ERROR);
    805 
    806 		m_verifier->verifyFloat(m_testCtx, GL_LINE_WIDTH, 1.0f);
    807 		expectError(GL_NO_ERROR);
    808 
    809 		const int numIterations = 120;
    810 		for (int i = 0; i < numIterations; ++i)
    811 		{
    812 			const GLfloat reference = rnd.getFloat(range[0], range[1]);
    813 
    814 			glLineWidth(reference);
    815 			m_verifier->verifyFloat(m_testCtx, GL_LINE_WIDTH, reference);
    816 			expectError(GL_NO_ERROR);
    817 		}
    818 	}
    819 private:
    820 	StateVerifier*	m_verifier;
    821 };
    822 
    823 class PolygonOffsetFactorCase : public ApiCase
    824 {
    825 public:
    826 	PolygonOffsetFactorCase (Context& context, StateVerifier* verifier, const char* name, const char* description)
    827 		: ApiCase		(context, name, description)
    828 		, m_verifier	(verifier)
    829 	{
    830 	}
    831 
    832 	void test (void)
    833 	{
    834 		de::Random rnd(0xabcdef);
    835 
    836 		m_verifier->verifyFloat(m_testCtx, GL_POLYGON_OFFSET_FACTOR, 0.0f);
    837 		expectError(GL_NO_ERROR);
    838 
    839 		{
    840 			const float fixedTests[] =
    841 			{
    842 				0.0f, 0.5f, -0.5f, 1.5f
    843 			};
    844 			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(fixedTests); ++ndx)
    845 			{
    846 				glPolygonOffset(fixedTests[ndx], 0);
    847 				m_verifier->verifyFloat(m_testCtx, GL_POLYGON_OFFSET_FACTOR, fixedTests[ndx]);
    848 				expectError(GL_NO_ERROR);
    849 			}
    850 		}
    851 
    852 		{
    853 			const int numIterations = 120;
    854 			for (int i = 0; i < numIterations; ++i)
    855 			{
    856 				const GLfloat reference = rnd.getFloat(-64000, 64000);
    857 
    858 				glPolygonOffset(reference, 0);
    859 				m_verifier->verifyFloat(m_testCtx, GL_POLYGON_OFFSET_FACTOR, reference);
    860 				expectError(GL_NO_ERROR);
    861 			}
    862 		}
    863 	}
    864 private:
    865 	StateVerifier*	m_verifier;
    866 };
    867 
    868 class PolygonOffsetUnitsCase : public ApiCase
    869 {
    870 public:
    871 	PolygonOffsetUnitsCase (Context& context, StateVerifier* verifier, const char* name, const char* description)
    872 		: ApiCase		(context, name, description)
    873 		, m_verifier	(verifier)
    874 	{
    875 	}
    876 
    877 	void test (void)
    878 	{
    879 		de::Random rnd(0xabcdef);
    880 
    881 		m_verifier->verifyFloat(m_testCtx, GL_POLYGON_OFFSET_UNITS, 0.0f);
    882 		expectError(GL_NO_ERROR);
    883 
    884 		{
    885 			const float fixedTests[] =
    886 			{
    887 				0.0f, 0.5f, -0.5f, 1.5f
    888 			};
    889 			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(fixedTests); ++ndx)
    890 			{
    891 				glPolygonOffset(0, fixedTests[ndx]);
    892 				m_verifier->verifyFloat(m_testCtx, GL_POLYGON_OFFSET_UNITS, fixedTests[ndx]);
    893 				expectError(GL_NO_ERROR);
    894 			}
    895 		}
    896 
    897 		{
    898 			const int numIterations = 120;
    899 			for (int i = 0; i < numIterations; ++i)
    900 			{
    901 				const GLfloat reference = rnd.getFloat(-64000, 64000);
    902 
    903 				glPolygonOffset(0, reference);
    904 				m_verifier->verifyFloat(m_testCtx, GL_POLYGON_OFFSET_UNITS, reference);
    905 				expectError(GL_NO_ERROR);
    906 			}
    907 		}
    908 	}
    909 private:
    910 	StateVerifier*	m_verifier;
    911 };
    912 
    913 class SampleCoverageCase : public ApiCase
    914 {
    915 public:
    916 	SampleCoverageCase (Context& context, StateVerifier* verifier, const char* name, const char* description)
    917 		: ApiCase		(context, name, description)
    918 		, m_verifier	(verifier)
    919 	{
    920 	}
    921 
    922 	void test (void)
    923 	{
    924 		de::Random rnd(0xabcdef);
    925 
    926 		m_verifier->verifyFloat(m_testCtx, GL_SAMPLE_COVERAGE_VALUE, 1.0f);
    927 		expectError(GL_NO_ERROR);
    928 
    929 		{
    930 			const float fixedTests[] =
    931 			{
    932 				0.0f, 0.5f, 0.45f, 0.55f
    933 			};
    934 			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(fixedTests); ++ndx)
    935 			{
    936 				glSampleCoverage(fixedTests[ndx], GL_FALSE);
    937 				m_verifier->verifyFloat(m_testCtx, GL_SAMPLE_COVERAGE_VALUE, fixedTests[ndx]);
    938 				expectError(GL_NO_ERROR);
    939 			}
    940 		}
    941 
    942 		{
    943 			const float clampTests[] =
    944 			{
    945 				-1.0f, -1.5f, 1.45f, 3.55f
    946 			};
    947 			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(clampTests); ++ndx)
    948 			{
    949 				glSampleCoverage(clampTests[ndx], GL_FALSE);
    950 				m_verifier->verifyFloat(m_testCtx, GL_SAMPLE_COVERAGE_VALUE, de::clamp(clampTests[ndx], 0.0f, 1.0f));
    951 				expectError(GL_NO_ERROR);
    952 			}
    953 		}
    954 
    955 		{
    956 			const int numIterations = 120;
    957 			for (int i = 0; i < numIterations; ++i)
    958 			{
    959 				GLfloat		reference	= rnd.getFloat(0, 1);
    960 				GLboolean	invert		= rnd.getBool() ? GL_TRUE : GL_FALSE;
    961 
    962 				glSampleCoverage(reference, invert);
    963 				m_verifier->verifyFloat(m_testCtx, GL_SAMPLE_COVERAGE_VALUE, reference);
    964 				expectError(GL_NO_ERROR);
    965 			}
    966 		}
    967 	}
    968 private:
    969 	StateVerifier*	m_verifier;
    970 };
    971 
    972 class ColorClearCase : public ApiCase
    973 {
    974 public:
    975 	ColorClearCase (Context& context, StateVerifier* verifier, const char* name, const char* description)
    976 		: ApiCase		(context, name, description)
    977 		, m_verifier	(verifier)
    978 	{
    979 	}
    980 
    981 	void test (void)
    982 	{
    983 		de::Random rnd(0xabcdef);
    984 
    985 		// \note Initial color clear value check is temorarily removed. (until the framework does not alter it)
    986 		//m_verifier->verifyFloat4Color(m_testCtx, GL_COLOR_CLEAR_VALUE, 0, 0, 0, 0);
    987 		//expectError(GL_NO_ERROR);
    988 
    989 		{
    990 			const struct FixedTest
    991 			{
    992 				float r, g, b, a;
    993 			} fixedTests[] =
    994 			{
    995 				{ 0.5f, 1.0f, 0.5f, 1.0f },
    996 				{ 0.0f, 0.5f, 0.0f, 0.5f },
    997 				{ 0.0f, 0.0f, 0.0f, 0.0f },
    998 				{ 1.0f, 1.0f, 1.0f, 1.0f },
    999 			};
   1000 			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(fixedTests); ++ndx)
   1001 			{
   1002 				glClearColor(fixedTests[ndx].r, fixedTests[ndx].g, fixedTests[ndx].b, fixedTests[ndx].a);
   1003 				m_verifier->verifyFloat4Color(m_testCtx, GL_COLOR_CLEAR_VALUE, fixedTests[ndx].r, fixedTests[ndx].g, fixedTests[ndx].b, fixedTests[ndx].a);
   1004 				expectError(GL_NO_ERROR);
   1005 			}
   1006 		}
   1007 
   1008 		{
   1009 			const int numIterations = 120;
   1010 			for (int i = 0; i < numIterations; ++i)
   1011 			{
   1012 				const GLfloat r = rnd.getFloat(0, 1);
   1013 				const GLfloat g = rnd.getFloat(0, 1);
   1014 				const GLfloat b = rnd.getFloat(0, 1);
   1015 				const GLfloat a = rnd.getFloat(0, 1);
   1016 
   1017 				glClearColor(r, g, b, a);
   1018 				m_verifier->verifyFloat4Color(m_testCtx, GL_COLOR_CLEAR_VALUE, r, g, b, a);
   1019 				expectError(GL_NO_ERROR);
   1020 			}
   1021 		}
   1022 	}
   1023 private:
   1024 	StateVerifier*	m_verifier;
   1025 };
   1026 
   1027 class DepthClearCase : public ApiCase
   1028 {
   1029 public:
   1030 	DepthClearCase (Context& context, StateVerifier* verifier, const char* name, const char* description)
   1031 		: ApiCase		(context, name, description)
   1032 		, m_verifier	(verifier)
   1033 	{
   1034 	}
   1035 
   1036 	void test (void)
   1037 	{
   1038 		const int numIterations = 120;
   1039 
   1040 		de::Random rnd(0xabcdef);
   1041 
   1042 		m_verifier->verifyFloatExpanded(m_testCtx, GL_DEPTH_CLEAR_VALUE, 1);
   1043 		expectError(GL_NO_ERROR);
   1044 
   1045 		for (int i = 0; i < numIterations; ++i)
   1046 		{
   1047 			const GLfloat ref = rnd.getFloat(0, 1);
   1048 
   1049 			glClearDepthf(ref);
   1050 			m_verifier->verifyFloatExpanded(m_testCtx, GL_DEPTH_CLEAR_VALUE, ref);
   1051 			expectError(GL_NO_ERROR);
   1052 		}
   1053 	}
   1054 private:
   1055 	StateVerifier*	m_verifier;
   1056 };
   1057 
   1058 class AliasedPointSizeRangeCase : public ApiCase
   1059 {
   1060 public:
   1061 	AliasedPointSizeRangeCase (Context& context, StateVerifier* verifier, const char* name, const char* description)
   1062 		: ApiCase		(context, name, description)
   1063 		, m_verifier	(verifier)
   1064 	{
   1065 	}
   1066 
   1067 	void test (void)
   1068 	{
   1069 		m_verifier->verifyFloatRange(m_testCtx, GL_ALIASED_POINT_SIZE_RANGE, 1, 1);
   1070 		expectError(GL_NO_ERROR);
   1071 	}
   1072 private:
   1073 	StateVerifier*	m_verifier;
   1074 };
   1075 
   1076 class AliasedLineWidthRangeCase : public ApiCase
   1077 {
   1078 public:
   1079 	AliasedLineWidthRangeCase (Context& context, StateVerifier* verifier, const char* name, const char* description)
   1080 		: ApiCase		(context, name, description)
   1081 		, m_verifier	(verifier)
   1082 	{
   1083 	}
   1084 
   1085 	void test (void)
   1086 	{
   1087 		m_verifier->verifyFloatRange(m_testCtx, GL_ALIASED_LINE_WIDTH_RANGE, 1, 1);
   1088 		expectError(GL_NO_ERROR);
   1089 	}
   1090 private:
   1091 	StateVerifier*	m_verifier;
   1092 };
   1093 
   1094 #define FOR_EACH_VERIFIER(VERIFIERS, CODE_BLOCK)												\
   1095 	for (int _verifierNdx = 0; _verifierNdx < DE_LENGTH_OF_ARRAY(VERIFIERS); _verifierNdx++)	\
   1096 	{																							\
   1097 		StateVerifier* verifier = (VERIFIERS)[_verifierNdx];									\
   1098 		CODE_BLOCK;																				\
   1099 	}
   1100 
   1101 } // anonymous
   1102 
   1103 FloatStateQueryTests::FloatStateQueryTests (Context& context)
   1104 	: TestCaseGroup			(context, "floats", "Float Values")
   1105 	, m_verifierBoolean		(DE_NULL)
   1106 	, m_verifierInteger		(DE_NULL)
   1107 	, m_verifierFloat		(DE_NULL)
   1108 {
   1109 }
   1110 
   1111 FloatStateQueryTests::~FloatStateQueryTests (void)
   1112 {
   1113 	deinit();
   1114 }
   1115 
   1116 void FloatStateQueryTests::init (void)
   1117 {
   1118 	DE_ASSERT(m_verifierBoolean == DE_NULL);
   1119 	DE_ASSERT(m_verifierInteger == DE_NULL);
   1120 	DE_ASSERT(m_verifierFloat == DE_NULL);
   1121 
   1122 	m_verifierBoolean		= new GetBooleanVerifier	(m_context.getRenderContext().getFunctions(), m_context.getTestContext().getLog());
   1123 	m_verifierInteger		= new GetIntegerVerifier	(m_context.getRenderContext().getFunctions(), m_context.getTestContext().getLog());
   1124 	m_verifierFloat			= new GetFloatVerifier		(m_context.getRenderContext().getFunctions(), m_context.getTestContext().getLog());
   1125 
   1126 	StateVerifier* verifiers[] = {m_verifierBoolean, m_verifierInteger, m_verifierFloat};
   1127 
   1128 	FOR_EACH_VERIFIER(verifiers, addChild(new DepthRangeCase				(m_context, verifier,	(std::string("depth_range")					+ verifier->getTestNamePostfix()).c_str(),	"DEPTH_RANGE")));
   1129 	FOR_EACH_VERIFIER(verifiers, addChild(new LineWidthCase					(m_context, verifier,	(std::string("line_width")					+ verifier->getTestNamePostfix()).c_str(),	"LINE_WIDTH")));
   1130 	FOR_EACH_VERIFIER(verifiers, addChild(new PolygonOffsetFactorCase		(m_context, verifier,	(std::string("polygon_offset_factor")		+ verifier->getTestNamePostfix()).c_str(),	"POLYGON_OFFSET_FACTOR")));
   1131 	FOR_EACH_VERIFIER(verifiers, addChild(new PolygonOffsetUnitsCase		(m_context, verifier,	(std::string("polygon_offset_units")		+ verifier->getTestNamePostfix()).c_str(),	"POLYGON_OFFSET_UNITS")));
   1132 	FOR_EACH_VERIFIER(verifiers, addChild(new SampleCoverageCase			(m_context, verifier,	(std::string("sample_coverage_value")		+ verifier->getTestNamePostfix()).c_str(),	"SAMPLE_COVERAGE_VALUE")));
   1133 	FOR_EACH_VERIFIER(verifiers, addChild(new ColorClearCase				(m_context, verifier,	(std::string("color_clear_value")			+ verifier->getTestNamePostfix()).c_str(),	"COLOR_CLEAR_VALUE")));
   1134 	FOR_EACH_VERIFIER(verifiers, addChild(new DepthClearCase				(m_context, verifier,	(std::string("depth_clear_value")			+ verifier->getTestNamePostfix()).c_str(),	"DEPTH_CLEAR_VALUE")));
   1135 	FOR_EACH_VERIFIER(verifiers, addChild(new AliasedPointSizeRangeCase		(m_context, verifier,	(std::string("aliased_point_size_range")	+ verifier->getTestNamePostfix()).c_str(),	"ALIASED_POINT_SIZE_RANGE")));
   1136 	FOR_EACH_VERIFIER(verifiers, addChild(new AliasedLineWidthRangeCase		(m_context, verifier,	(std::string("aliased_line_width_range")	+ verifier->getTestNamePostfix()).c_str(),	"ALIASED_LINE_WIDTH_RANGE")));
   1137 }
   1138 
   1139 void FloatStateQueryTests::deinit (void)
   1140 {
   1141 	if (m_verifierBoolean)
   1142 	{
   1143 		delete m_verifierBoolean;
   1144 		m_verifierBoolean = DE_NULL;
   1145 	}
   1146 	if (m_verifierInteger)
   1147 	{
   1148 		delete m_verifierInteger;
   1149 		m_verifierInteger = DE_NULL;
   1150 	}
   1151 	if (m_verifierFloat)
   1152 	{
   1153 		delete m_verifierFloat;
   1154 		m_verifierFloat = DE_NULL;
   1155 	}
   1156 
   1157 	this->TestCaseGroup::deinit();
   1158 }
   1159 
   1160 } // Functional
   1161 } // gles2
   1162 } // deqp
   1163