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      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 Shader built-in constant tests.
     22  *//*--------------------------------------------------------------------*/
     23 
     24 #include "es31fShaderBuiltinConstantTests.hpp"
     25 #include "glsShaderExecUtil.hpp"
     26 #include "deUniquePtr.hpp"
     27 #include "deStringUtil.hpp"
     28 #include "tcuTestLog.hpp"
     29 #include "gluStrUtil.hpp"
     30 #include "gluContextInfo.hpp"
     31 #include "glwEnums.hpp"
     32 #include "glwFunctions.hpp"
     33 
     34 using std::string;
     35 using std::vector;
     36 using tcu::TestLog;
     37 
     38 namespace deqp
     39 {
     40 namespace gles31
     41 {
     42 namespace Functional
     43 {
     44 namespace
     45 {
     46 
     47 static int getInteger (const glw::Functions& gl, deUint32 pname)
     48 {
     49 	int value = -1;
     50 	gl.getIntegerv(pname, &value);
     51 	GLU_EXPECT_NO_ERROR(gl.getError(), ("glGetIntegerv(" + glu::getGettableStateStr((int)pname).toString() + ")").c_str());
     52 	return value;
     53 }
     54 
     55 template<deUint32 Pname>
     56 static int getInteger (const glw::Functions& gl)
     57 {
     58 	return getInteger(gl, Pname);
     59 }
     60 
     61 static int getVectorsFromComps (const glw::Functions& gl, deUint32 pname)
     62 {
     63 	int value = -1;
     64 	gl.getIntegerv(pname, &value);
     65 	GLU_EXPECT_NO_ERROR(gl.getError(), ("glGetIntegerv(" + glu::getGettableStateStr((int)pname).toString() + ")").c_str());
     66 	TCU_CHECK_MSG(value%4 == 0, ("Expected " + glu::getGettableStateStr((int)pname).toString() + " to be divisible by 4").c_str());
     67 	return value/4;
     68 }
     69 
     70 template<deUint32 Pname>
     71 static int getVectorsFromComps (const glw::Functions& gl)
     72 {
     73 	return getVectorsFromComps(gl, Pname);
     74 }
     75 
     76 static tcu::IVec3 getIVec3 (const glw::Functions& gl, deUint32 pname)
     77 {
     78 	tcu::IVec3 value(-1);
     79 	for (int ndx = 0; ndx < 3; ndx++)
     80 		gl.getIntegeri_v(pname, (glw::GLuint)ndx, &value[ndx]);
     81 	GLU_EXPECT_NO_ERROR(gl.getError(), ("glGetIntegeri_v(" + glu::getGettableStateStr((int)pname).toString() + ")").c_str());
     82 	return value;
     83 }
     84 
     85 template<deUint32 Pname>
     86 static tcu::IVec3 getIVec3 (const glw::Functions& gl)
     87 {
     88 	return getIVec3(gl, Pname);
     89 }
     90 
     91 static std::string makeCaseName (const std::string& varName)
     92 {
     93 	DE_ASSERT(varName.length() > 3);
     94 	DE_ASSERT(varName.substr(0,3) == "gl_");
     95 
     96 	std::ostringstream name;
     97 	name << de::toLower(char(varName[3]));
     98 
     99 	for (size_t ndx = 4; ndx < varName.length(); ndx++)
    100 	{
    101 		const char c = char(varName[ndx]);
    102 		if (de::isUpper(c))
    103 			name << '_' << de::toLower(c);
    104 		else
    105 			name << c;
    106 	}
    107 
    108 	return name.str();
    109 }
    110 
    111 enum
    112 {
    113 	VS = (1<<glu::SHADERTYPE_VERTEX),
    114 	TC = (1<<glu::SHADERTYPE_TESSELLATION_CONTROL),
    115 	TE = (1<<glu::SHADERTYPE_TESSELLATION_EVALUATION),
    116 	GS = (1<<glu::SHADERTYPE_GEOMETRY),
    117 	FS = (1<<glu::SHADERTYPE_FRAGMENT),
    118 	CS = (1<<glu::SHADERTYPE_COMPUTE),
    119 
    120 	SHADER_TYPES = VS|TC|TE|GS|FS|CS
    121 };
    122 
    123 template<typename DataType>
    124 class ShaderBuiltinConstantCase : public TestCase
    125 {
    126 public:
    127 	typedef DataType (*GetConstantValueFunc) (const glw::Functions& gl);
    128 
    129 								ShaderBuiltinConstantCase	(Context& context, const char* varName, GetConstantValueFunc getValue, const char* requiredExt);
    130 								~ShaderBuiltinConstantCase	(void);
    131 
    132 	void						init						(void);
    133 	IterateResult				iterate						(void);
    134 
    135 private:
    136 	bool						verifyInShaderType			(glu::ShaderType shaderType, DataType reference);
    137 
    138 	const std::string			m_varName;
    139 	const GetConstantValueFunc	m_getValue;
    140 	const std::string			m_requiredExt;
    141 };
    142 
    143 template<typename DataType>
    144 ShaderBuiltinConstantCase<DataType>::ShaderBuiltinConstantCase (Context& context, const char* varName, GetConstantValueFunc getValue, const char* requiredExt)
    145 	: TestCase		(context, makeCaseName(varName).c_str(), varName)
    146 	, m_varName		(varName)
    147 	, m_getValue	(getValue)
    148 	, m_requiredExt	(requiredExt ? requiredExt : "")
    149 {
    150 	DE_ASSERT(!requiredExt == m_requiredExt.empty());
    151 }
    152 
    153 template<typename DataType>
    154 ShaderBuiltinConstantCase<DataType>::~ShaderBuiltinConstantCase (void)
    155 {
    156 }
    157 
    158 template<typename DataType>
    159 void ShaderBuiltinConstantCase<DataType>::init (void)
    160 {
    161 	if (!m_requiredExt.empty() && !m_context.getContextInfo().isExtensionSupported(m_requiredExt.c_str()))
    162 		throw tcu::NotSupportedError(m_requiredExt + " not supported");
    163 }
    164 
    165 static gls::ShaderExecUtil::ShaderExecutor* createGetConstantExecutor (const glu::RenderContext&	renderCtx,
    166 																	   glu::ShaderType				shaderType,
    167 																	   glu::DataType				dataType,
    168 																	   const std::string&			varName,
    169 																	   const std::string&			extName)
    170 {
    171 	using namespace gls::ShaderExecUtil;
    172 
    173 	ShaderSpec	shaderSpec;
    174 
    175 	shaderSpec.version	= glu::GLSL_VERSION_310_ES;
    176 	shaderSpec.source	= string("result = ") + varName + ";\n";
    177 
    178 	shaderSpec.outputs.push_back(Symbol("result", glu::VarType(dataType, glu::PRECISION_HIGHP)));
    179 
    180 	if (!extName.empty())
    181 		shaderSpec.globalDeclarations = "#extension " + extName + " : require\n";
    182 
    183 	return createExecutor(renderCtx, shaderType, shaderSpec);
    184 }
    185 
    186 template<typename DataType>
    187 static void logVarValue (tcu::TestLog& log, const std::string& varName, DataType value)
    188 {
    189 	log << TestLog::Message << varName << " = " << value << TestLog::EndMessage;
    190 }
    191 
    192 template<>
    193 void logVarValue<int> (tcu::TestLog& log, const std::string& varName, int value)
    194 {
    195 	log << TestLog::Integer(varName, varName, "", QP_KEY_TAG_NONE, value);
    196 }
    197 
    198 template<typename DataType>
    199 bool ShaderBuiltinConstantCase<DataType>::verifyInShaderType (glu::ShaderType shaderType, DataType reference)
    200 {
    201 	using namespace gls::ShaderExecUtil;
    202 
    203 	const de::UniquePtr<ShaderExecutor>	shaderExecutor	(createGetConstantExecutor(m_context.getRenderContext(), shaderType, glu::dataTypeOf<DataType>(), m_varName, m_requiredExt));
    204 	DataType							result			= DataType(-1);
    205 	void* const							outputs			= &result;
    206 
    207 	if (!shaderExecutor->isOk())
    208 	{
    209 		shaderExecutor->log(m_testCtx.getLog());
    210 		TCU_FAIL("Compile failed");
    211 	}
    212 
    213 	shaderExecutor->useProgram();
    214 	shaderExecutor->execute(1, DE_NULL, &outputs);
    215 
    216 	logVarValue(m_testCtx.getLog(), m_varName, result);
    217 
    218 	if (result != reference)
    219 	{
    220 		m_testCtx.getLog() << TestLog::Message << "ERROR: Expected " << m_varName << " = " << reference << TestLog::EndMessage
    221 						   << TestLog::Message << "Test shader:" << TestLog::EndMessage;
    222 		shaderExecutor->log(m_testCtx.getLog());
    223 		m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Invalid builtin constant value");
    224 		return false;
    225 	}
    226 	else
    227 		return true;
    228 }
    229 
    230 template<typename DataType>
    231 TestCase::IterateResult ShaderBuiltinConstantCase<DataType>::iterate (void)
    232 {
    233 	const DataType	reference	= m_getValue(m_context.getRenderContext().getFunctions());
    234 
    235 	m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
    236 
    237 	for (int shaderType = 0; shaderType < glu::SHADERTYPE_LAST; shaderType++)
    238 	{
    239 		if ((SHADER_TYPES & (1<<shaderType)) != 0)
    240 		{
    241 			const char* const			shaderTypeName	= glu::getShaderTypeName(glu::ShaderType(shaderType));
    242 			const tcu::ScopedLogSection	section			(m_testCtx.getLog(), shaderTypeName, shaderTypeName);
    243 
    244 			try
    245 			{
    246 				const bool isOk = verifyInShaderType(glu::ShaderType(shaderType), reference);
    247 				DE_ASSERT(isOk || m_testCtx.getTestResult() != QP_TEST_RESULT_PASS);
    248 				DE_UNREF(isOk);
    249 			}
    250 			catch (const tcu::NotSupportedError& e)
    251 			{
    252 				m_testCtx.getLog() << TestLog::Message << "Not checking " << shaderTypeName << ": " << e.what() << TestLog::EndMessage;
    253 			}
    254 			catch (const tcu::TestError& e)
    255 			{
    256 				m_testCtx.getLog() << TestLog::Message << e.what() << TestLog::EndMessage;
    257 				m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, e.getMessage());
    258 			}
    259 		}
    260 	}
    261 
    262 	return STOP;
    263 }
    264 
    265 } // anonymous
    266 
    267 ShaderBuiltinConstantTests::ShaderBuiltinConstantTests (Context& context)
    268 	: TestCaseGroup(context, "builtin_constants", "Built-in Constant Tests")
    269 {
    270 }
    271 
    272 ShaderBuiltinConstantTests::~ShaderBuiltinConstantTests (void)
    273 {
    274 }
    275 
    276 void ShaderBuiltinConstantTests::init (void)
    277 {
    278 	// Core builtin constants
    279 	{
    280 		static const struct
    281 		{
    282 			const char*												varName;
    283 			ShaderBuiltinConstantCase<int>::GetConstantValueFunc	getValue;
    284 		} intConstants[] =
    285 		{
    286 			{ "gl_MaxVertexAttribs",					getInteger<GL_MAX_VERTEX_ATTRIBS>						},
    287 			{ "gl_MaxVertexUniformVectors",				getInteger<GL_MAX_VERTEX_UNIFORM_VECTORS>				},
    288 			{ "gl_MaxVertexOutputVectors",				getVectorsFromComps<GL_MAX_VERTEX_OUTPUT_COMPONENTS>	},
    289 			{ "gl_MaxFragmentInputVectors",				getVectorsFromComps<GL_MAX_FRAGMENT_INPUT_COMPONENTS>	},
    290 			{ "gl_MaxFragmentUniformVectors",			getInteger<GL_MAX_FRAGMENT_UNIFORM_VECTORS>				},
    291 			{ "gl_MaxDrawBuffers",						getInteger<GL_MAX_DRAW_BUFFERS>							},
    292 
    293 			{ "gl_MaxVertexTextureImageUnits",			getInteger<GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS>			},
    294 			{ "gl_MaxCombinedTextureImageUnits",		getInteger<GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS>			},
    295 			{ "gl_MaxTextureImageUnits",				getInteger<GL_MAX_TEXTURE_IMAGE_UNITS>					},
    296 
    297 			{ "gl_MinProgramTexelOffset",				getInteger<GL_MIN_PROGRAM_TEXEL_OFFSET>					},
    298 			{ "gl_MaxProgramTexelOffset",				getInteger<GL_MAX_PROGRAM_TEXEL_OFFSET>					},
    299 
    300 			{ "gl_MaxImageUnits",						getInteger<GL_MAX_IMAGE_UNITS>							},
    301 			{ "gl_MaxVertexImageUniforms",				getInteger<GL_MAX_VERTEX_IMAGE_UNIFORMS>				},
    302 			{ "gl_MaxFragmentImageUniforms",			getInteger<GL_MAX_FRAGMENT_IMAGE_UNIFORMS>				},
    303 			{ "gl_MaxComputeImageUniforms",				getInteger<GL_MAX_COMPUTE_IMAGE_UNIFORMS>				},
    304 			{ "gl_MaxCombinedImageUniforms",			getInteger<GL_MAX_COMBINED_IMAGE_UNIFORMS>				},
    305 
    306 			{ "gl_MaxCombinedShaderOutputResources",	getInteger<GL_MAX_COMBINED_SHADER_OUTPUT_RESOURCES>		},
    307 
    308 			{ "gl_MaxComputeUniformComponents",			getInteger<GL_MAX_COMPUTE_UNIFORM_COMPONENTS>			},
    309 			{ "gl_MaxComputeTextureImageUnits",			getInteger<GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS>			},
    310 
    311 			{ "gl_MaxComputeAtomicCounters",			getInteger<GL_MAX_COMPUTE_ATOMIC_COUNTERS>				},
    312 			{ "gl_MaxComputeAtomicCounterBuffers",		getInteger<GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS>		},
    313 
    314 			{ "gl_MaxVertexAtomicCounters",				getInteger<GL_MAX_VERTEX_ATOMIC_COUNTERS>				},
    315 			{ "gl_MaxFragmentAtomicCounters",			getInteger<GL_MAX_FRAGMENT_ATOMIC_COUNTERS>				},
    316 			{ "gl_MaxCombinedAtomicCounters",			getInteger<GL_MAX_COMBINED_ATOMIC_COUNTERS>				},
    317 			{ "gl_MaxAtomicCounterBindings",			getInteger<GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS>		},
    318 
    319 			{ "gl_MaxVertexAtomicCounterBuffers",		getInteger<GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS>		},
    320 			{ "gl_MaxFragmentAtomicCounterBuffers",		getInteger<GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS>		},
    321 			{ "gl_MaxCombinedAtomicCounterBuffers",		getInteger<GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS>		},
    322 			{ "gl_MaxAtomicCounterBufferSize",			getInteger<GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE>			},
    323 		};
    324 
    325 		static const struct
    326 		{
    327 			const char*													varName;
    328 			ShaderBuiltinConstantCase<tcu::IVec3>::GetConstantValueFunc	getValue;
    329 		} ivec3Constants[] =
    330 		{
    331 			{ "gl_MaxComputeWorkGroupCount",			getIVec3<GL_MAX_COMPUTE_WORK_GROUP_COUNT>				},
    332 			{ "gl_MaxComputeWorkGroupSize",				getIVec3<GL_MAX_COMPUTE_WORK_GROUP_SIZE>				},
    333 		};
    334 
    335 		tcu::TestCaseGroup* const coreGroup = new tcu::TestCaseGroup(m_testCtx, "core", "Core Specification");
    336 		addChild(coreGroup);
    337 
    338 		for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(intConstants); ndx++)
    339 			coreGroup->addChild(new ShaderBuiltinConstantCase<int>(m_context, intConstants[ndx].varName, intConstants[ndx].getValue, DE_NULL));
    340 
    341 		for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(ivec3Constants); ndx++)
    342 			coreGroup->addChild(new ShaderBuiltinConstantCase<tcu::IVec3>(m_context, ivec3Constants[ndx].varName, ivec3Constants[ndx].getValue, DE_NULL));
    343 	}
    344 
    345 	// OES_sample_variables
    346 	{
    347 		tcu::TestCaseGroup* const sampleVarGroup = new tcu::TestCaseGroup(m_testCtx, "sample_variables", "GL_OES_sample_variables");
    348 		addChild(sampleVarGroup);
    349 		sampleVarGroup->addChild(new ShaderBuiltinConstantCase<int>(m_context, "gl_MaxSamples", getInteger<GL_MAX_SAMPLES>, "GL_OES_sample_variables"));
    350 	}
    351 
    352 	// EXT_geometry_shader
    353 	{
    354 		static const struct
    355 		{
    356 			const char*												varName;
    357 			ShaderBuiltinConstantCase<int>::GetConstantValueFunc	getValue;
    358 		} intConstants[] =
    359 		{
    360 			{ "gl_MaxGeometryInputComponents",			getInteger<GL_MAX_GEOMETRY_INPUT_COMPONENTS>			},
    361 			{ "gl_MaxGeometryOutputComponents",			getInteger<GL_MAX_GEOMETRY_OUTPUT_COMPONENTS>			},
    362 			{ "gl_MaxGeometryImageUniforms",			getInteger<GL_MAX_GEOMETRY_IMAGE_UNIFORMS>				},
    363 			{ "gl_MaxGeometryTextureImageUnits",		getInteger<GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS>			},
    364 			{ "gl_MaxGeometryOutputVertices",			getInteger<GL_MAX_GEOMETRY_OUTPUT_VERTICES>				},
    365 			{ "gl_MaxGeometryTotalOutputComponents",	getInteger<GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS>		},
    366 			{ "gl_MaxGeometryUniformComponents",		getInteger<GL_MAX_GEOMETRY_UNIFORM_COMPONENTS>			},
    367 			{ "gl_MaxGeometryAtomicCounters",			getInteger<GL_MAX_GEOMETRY_ATOMIC_COUNTERS>				},
    368 			{ "gl_MaxGeometryAtomicCounterBuffers",		getInteger<GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS>		},
    369 		};
    370 
    371 		tcu::TestCaseGroup* const geomGroup = new tcu::TestCaseGroup(m_testCtx, "geometry_shader", "GL_EXT_geometry_shader");
    372 		addChild(geomGroup);
    373 
    374 		for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(intConstants); ndx++)
    375 			geomGroup->addChild(new ShaderBuiltinConstantCase<int>(m_context, intConstants[ndx].varName, intConstants[ndx].getValue, "GL_EXT_geometry_shader"));
    376 	}
    377 
    378 	// EXT_tessellation_shader
    379 	{
    380 		static const struct
    381 		{
    382 			const char*												varName;
    383 			ShaderBuiltinConstantCase<int>::GetConstantValueFunc	getValue;
    384 		} intConstants[] =
    385 		{
    386 			{ "gl_MaxTessControlInputComponents",			getInteger<GL_MAX_TESS_CONTROL_INPUT_COMPONENTS>		},
    387 			{ "gl_MaxTessControlOutputComponents",			getInteger<GL_MAX_TESS_CONTROL_OUTPUT_COMPONENTS>		},
    388 			{ "gl_MaxTessControlTextureImageUnits",			getInteger<GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS>		},
    389 			{ "gl_MaxTessControlUniformComponents",			getInteger<GL_MAX_TESS_CONTROL_UNIFORM_COMPONENTS>		},
    390 			{ "gl_MaxTessControlTotalOutputComponents",		getInteger<GL_MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS>	},
    391 
    392 			{ "gl_MaxTessEvaluationInputComponents",		getInteger<GL_MAX_TESS_EVALUATION_INPUT_COMPONENTS>		},
    393 			{ "gl_MaxTessEvaluationOutputComponents",		getInteger<GL_MAX_TESS_EVALUATION_OUTPUT_COMPONENTS>	},
    394 			{ "gl_MaxTessEvaluationTextureImageUnits",		getInteger<GL_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS>	},
    395 			{ "gl_MaxTessEvaluationUniformComponents",		getInteger<GL_MAX_TESS_EVALUATION_UNIFORM_COMPONENTS>	},
    396 
    397 			{ "gl_MaxTessPatchComponents",					getInteger<GL_MAX_TESS_PATCH_COMPONENTS>				},
    398 
    399 			{ "gl_MaxPatchVertices",						getInteger<GL_MAX_PATCH_VERTICES>						},
    400 			{ "gl_MaxTessGenLevel",							getInteger<GL_MAX_TESS_GEN_LEVEL>						},
    401 		};
    402 
    403 		tcu::TestCaseGroup* const tessGroup = new tcu::TestCaseGroup(m_testCtx, "tessellation_shader", "GL_EXT_tessellation_shader");
    404 		addChild(tessGroup);
    405 
    406 		for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(intConstants); ndx++)
    407 			tessGroup->addChild(new ShaderBuiltinConstantCase<int>(m_context, intConstants[ndx].varName, intConstants[ndx].getValue, "GL_EXT_tessellation_shader"));
    408 	}
    409 }
    410 
    411 } // Functional
    412 } // gles31
    413 } // deqp
    414