Jarkko Poyry | 3c82736 | 2014-09-02 11:48:52 +0300 | [diff] [blame] | 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 Floating-point packing and unpacking function tests. |
| 22 | *//*--------------------------------------------------------------------*/ |
| 23 | |
| 24 | #include "es31fShaderPackingFunctionTests.hpp" |
| 25 | #include "glsShaderExecUtil.hpp" |
| 26 | #include "tcuTestLog.hpp" |
| 27 | #include "tcuFormatUtil.hpp" |
| 28 | #include "tcuFloat.hpp" |
| 29 | #include "deRandom.hpp" |
| 30 | #include "deMath.h" |
| 31 | #include "deString.h" |
| 32 | |
| 33 | namespace deqp |
| 34 | { |
| 35 | namespace gles31 |
| 36 | { |
| 37 | namespace Functional |
| 38 | { |
| 39 | |
| 40 | using std::string; |
| 41 | using tcu::TestLog; |
| 42 | using namespace gls::ShaderExecUtil; |
| 43 | |
| 44 | namespace |
| 45 | { |
| 46 | |
| 47 | inline deUint32 getUlpDiff (float a, float b) |
| 48 | { |
| 49 | const deUint32 aBits = tcu::Float32(a).bits(); |
| 50 | const deUint32 bBits = tcu::Float32(b).bits(); |
| 51 | return aBits > bBits ? aBits - bBits : bBits - aBits; |
| 52 | } |
| 53 | |
| 54 | struct HexFloat |
| 55 | { |
| 56 | const float value; |
| 57 | HexFloat (const float value_) : value(value_) {} |
| 58 | }; |
| 59 | |
| 60 | std::ostream& operator<< (std::ostream& str, const HexFloat& v) |
| 61 | { |
| 62 | return str << v.value << " / " << tcu::toHex(tcu::Float32(v.value).bits()); |
| 63 | } |
| 64 | |
| 65 | } // anonymous |
| 66 | |
| 67 | // ShaderPackingFunctionCase |
| 68 | |
| 69 | class ShaderPackingFunctionCase : public TestCase |
| 70 | { |
| 71 | public: |
| 72 | ShaderPackingFunctionCase (Context& context, const char* name, const char* description, glu::ShaderType shaderType); |
| 73 | ~ShaderPackingFunctionCase (void); |
| 74 | |
| 75 | void init (void); |
| 76 | void deinit (void); |
| 77 | |
| 78 | protected: |
| 79 | glu::ShaderType m_shaderType; |
| 80 | ShaderSpec m_spec; |
| 81 | ShaderExecutor* m_executor; |
| 82 | |
| 83 | private: |
| 84 | ShaderPackingFunctionCase (const ShaderPackingFunctionCase& other); |
| 85 | ShaderPackingFunctionCase& operator= (const ShaderPackingFunctionCase& other); |
| 86 | }; |
| 87 | |
| 88 | ShaderPackingFunctionCase::ShaderPackingFunctionCase (Context& context, const char* name, const char* description, glu::ShaderType shaderType) |
| 89 | : TestCase (context, name, description) |
| 90 | , m_shaderType (shaderType) |
| 91 | , m_executor (DE_NULL) |
| 92 | { |
| 93 | m_spec.version = glu::GLSL_VERSION_310_ES; |
| 94 | } |
| 95 | |
| 96 | ShaderPackingFunctionCase::~ShaderPackingFunctionCase (void) |
| 97 | { |
| 98 | ShaderPackingFunctionCase::deinit(); |
| 99 | } |
| 100 | |
| 101 | void ShaderPackingFunctionCase::init (void) |
| 102 | { |
| 103 | DE_ASSERT(!m_executor); |
| 104 | |
| 105 | m_executor = createExecutor(m_context.getRenderContext(), m_shaderType, m_spec); |
| 106 | m_testCtx.getLog() << m_executor; |
| 107 | |
| 108 | if (!m_executor->isOk()) |
| 109 | throw tcu::TestError("Compile failed"); |
| 110 | } |
| 111 | |
| 112 | void ShaderPackingFunctionCase::deinit (void) |
| 113 | { |
| 114 | delete m_executor; |
| 115 | m_executor = DE_NULL; |
| 116 | } |
| 117 | |
| 118 | // Test cases |
| 119 | |
| 120 | static const char* getPrecisionPostfix (glu::Precision precision) |
| 121 | { |
| 122 | static const char* s_postfix[] = |
| 123 | { |
| 124 | "_lowp", |
| 125 | "_mediump", |
| 126 | "_highp" |
| 127 | }; |
| 128 | DE_STATIC_ASSERT(DE_LENGTH_OF_ARRAY(s_postfix) == glu::PRECISION_LAST); |
| 129 | DE_ASSERT(de::inBounds<int>(precision, 0, DE_LENGTH_OF_ARRAY(s_postfix))); |
| 130 | return s_postfix[precision]; |
| 131 | } |
| 132 | |
| 133 | static const char* getShaderTypePostfix (glu::ShaderType shaderType) |
| 134 | { |
| 135 | static const char* s_postfix[] = |
| 136 | { |
| 137 | "_vertex", |
| 138 | "_fragment", |
| 139 | "_geometry", |
| 140 | "_tess_control", |
| 141 | "_tess_eval", |
| 142 | "_compute" |
| 143 | }; |
| 144 | DE_ASSERT(de::inBounds<int>(shaderType, 0, DE_LENGTH_OF_ARRAY(s_postfix))); |
| 145 | return s_postfix[shaderType]; |
| 146 | } |
| 147 | |
| 148 | class PackSnorm2x16Case : public ShaderPackingFunctionCase |
| 149 | { |
| 150 | public: |
| 151 | PackSnorm2x16Case (Context& context, glu::ShaderType shaderType, glu::Precision precision) |
| 152 | : ShaderPackingFunctionCase (context, (string("packsnorm2x16") + getPrecisionPostfix(precision) + getShaderTypePostfix(shaderType)).c_str(), "packSnorm2x16", shaderType) |
| 153 | , m_precision (precision) |
| 154 | { |
| 155 | m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_FLOAT_VEC2, precision))); |
| 156 | m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP))); |
| 157 | |
| 158 | m_spec.source = "out0 = packSnorm2x16(in0);"; |
| 159 | } |
| 160 | |
| 161 | IterateResult iterate (void) |
| 162 | { |
| 163 | de::Random rnd (deStringHash(getName()) ^ 0x776002); |
| 164 | std::vector<tcu::Vec2> inputs; |
| 165 | std::vector<deUint32> outputs; |
| 166 | const int maxDiff = m_precision == glu::PRECISION_HIGHP ? 1 : // Rounding only. |
| 167 | m_precision == glu::PRECISION_MEDIUMP ? 33 : // (2^-10) * (2^15) + 1 |
| 168 | m_precision == glu::PRECISION_LOWP ? 129 : 0; // (2^-8) * (2^15) + 1 |
| 169 | |
| 170 | // Special values to check. |
| 171 | inputs.push_back(tcu::Vec2(0.0f, 0.0f)); |
| 172 | inputs.push_back(tcu::Vec2(-1.0f, 1.0f)); |
| 173 | inputs.push_back(tcu::Vec2(0.5f, -0.5f)); |
| 174 | inputs.push_back(tcu::Vec2(-1.5f, 1.5f)); |
| 175 | inputs.push_back(tcu::Vec2(0.25f, -0.75f)); |
| 176 | |
| 177 | // Random values, mostly in range. |
| 178 | for (int ndx = 0; ndx < 15; ndx++) |
| 179 | { |
| 180 | const float x = rnd.getFloat()*2.5f - 1.25f; |
| 181 | const float y = rnd.getFloat()*2.5f - 1.25f; |
| 182 | inputs.push_back(tcu::Vec2(x, y)); |
| 183 | } |
| 184 | |
| 185 | // Large random values. |
| 186 | for (int ndx = 0; ndx < 80; ndx++) |
| 187 | { |
| 188 | const float x = rnd.getFloat()*1e6f - 0.5e6f; |
| 189 | const float y = rnd.getFloat()*1e6f - 0.5e6f; |
| 190 | inputs.push_back(tcu::Vec2(x, y)); |
| 191 | } |
| 192 | |
| 193 | outputs.resize(inputs.size()); |
| 194 | |
| 195 | m_testCtx.getLog() << TestLog::Message << "Executing shader for " << inputs.size() << " input values" << tcu::TestLog::EndMessage; |
| 196 | |
| 197 | { |
| 198 | const void* in = &inputs[0]; |
| 199 | void* out = &outputs[0]; |
| 200 | |
| 201 | m_executor->useProgram(); |
| 202 | m_executor->execute((int)inputs.size(), &in, &out); |
| 203 | } |
| 204 | |
| 205 | // Verify |
| 206 | { |
| 207 | const int numValues = (int)inputs.size(); |
| 208 | const int maxPrints = 10; |
| 209 | int numFailed = 0; |
| 210 | |
| 211 | for (int valNdx = 0; valNdx < numValues; valNdx++) |
| 212 | { |
| 213 | const deUint16 ref0 = (deUint16)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].x(), -1.0f, 1.0f) * 32767.0f), -(1<<15), (1<<15)-1); |
| 214 | const deUint16 ref1 = (deUint16)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].y(), -1.0f, 1.0f) * 32767.0f), -(1<<15), (1<<15)-1); |
| 215 | const deUint32 ref = (ref1 << 16) | ref0; |
| 216 | const deUint32 res = outputs[valNdx]; |
| 217 | const deUint16 res0 = (deUint16)(res & 0xffff); |
| 218 | const deUint16 res1 = (deUint16)(res >> 16); |
| 219 | const int diff0 = de::abs((int)ref0 - (int)res0); |
| 220 | const int diff1 = de::abs((int)ref1 - (int)res1); |
| 221 | |
| 222 | if (diff0 > maxDiff || diff1 > maxDiff) |
| 223 | { |
| 224 | if (numFailed < maxPrints) |
| 225 | { |
| 226 | m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx |
| 227 | << ", expected packSnorm2x16(" << inputs[valNdx] << ") = " << tcu::toHex(ref) |
| 228 | << ", got " << tcu::toHex(res) |
| 229 | << "\n diffs = (" << diff0 << ", " << diff1 << "), max diff = " << maxDiff |
| 230 | << TestLog::EndMessage; |
| 231 | } |
| 232 | else if (numFailed == maxPrints) |
| 233 | m_testCtx.getLog() << TestLog::Message << "..." << TestLog::EndMessage; |
| 234 | |
| 235 | numFailed += 1; |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | m_testCtx.getLog() << TestLog::Message << (numValues - numFailed) << " / " << numValues << " values passed" << TestLog::EndMessage; |
| 240 | |
| 241 | m_testCtx.setTestResult(numFailed == 0 ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| 242 | numFailed == 0 ? "Pass" : "Result comparison failed"); |
| 243 | } |
| 244 | |
| 245 | return STOP; |
| 246 | } |
| 247 | |
| 248 | private: |
| 249 | glu::Precision m_precision; |
| 250 | }; |
| 251 | |
| 252 | class UnpackSnorm2x16Case : public ShaderPackingFunctionCase |
| 253 | { |
| 254 | public: |
| 255 | UnpackSnorm2x16Case (Context& context, glu::ShaderType shaderType) |
| 256 | : ShaderPackingFunctionCase(context, (string("unpacksnorm2x16") + getShaderTypePostfix(shaderType)).c_str(), "unpackSnorm2x16", shaderType) |
| 257 | { |
| 258 | m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP))); |
| 259 | m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_FLOAT_VEC2, glu::PRECISION_HIGHP))); |
| 260 | |
| 261 | m_spec.source = "out0 = unpackSnorm2x16(in0);"; |
| 262 | } |
| 263 | |
| 264 | IterateResult iterate (void) |
| 265 | { |
| 266 | const deUint32 maxDiff = 1; // Rounding error. |
| 267 | de::Random rnd (deStringHash(getName()) ^ 0x776002); |
| 268 | std::vector<deUint32> inputs; |
| 269 | std::vector<tcu::Vec2> outputs; |
| 270 | |
| 271 | inputs.push_back(0x00000000u); |
| 272 | inputs.push_back(0x7fff8000u); |
| 273 | inputs.push_back(0x80007fffu); |
| 274 | inputs.push_back(0xffffffffu); |
| 275 | inputs.push_back(0x0001fffeu); |
| 276 | |
| 277 | // Random values. |
| 278 | for (int ndx = 0; ndx < 95; ndx++) |
| 279 | inputs.push_back(rnd.getUint32()); |
| 280 | |
| 281 | outputs.resize(inputs.size()); |
| 282 | |
| 283 | m_testCtx.getLog() << TestLog::Message << "Executing shader for " << inputs.size() << " input values" << tcu::TestLog::EndMessage; |
| 284 | |
| 285 | { |
| 286 | const void* in = &inputs[0]; |
| 287 | void* out = &outputs[0]; |
| 288 | |
| 289 | m_executor->useProgram(); |
| 290 | m_executor->execute((int)inputs.size(), &in, &out); |
| 291 | } |
| 292 | |
| 293 | // Verify |
| 294 | { |
| 295 | const int numValues = (int)inputs.size(); |
| 296 | const int maxPrints = 10; |
| 297 | int numFailed = 0; |
| 298 | |
| 299 | for (int valNdx = 0; valNdx < (int)inputs.size(); valNdx++) |
| 300 | { |
| 301 | const deInt16 in0 = (deInt16)(deUint16)(inputs[valNdx] & 0xffff); |
| 302 | const deInt16 in1 = (deInt16)(deUint16)(inputs[valNdx] >> 16); |
| 303 | const float ref0 = de::clamp(float(in0) / 32767.f, -1.0f, 1.0f); |
| 304 | const float ref1 = de::clamp(float(in1) / 32767.f, -1.0f, 1.0f); |
| 305 | const float res0 = outputs[valNdx].x(); |
| 306 | const float res1 = outputs[valNdx].y(); |
| 307 | |
| 308 | const deUint32 diff0 = getUlpDiff(ref0, res0); |
| 309 | const deUint32 diff1 = getUlpDiff(ref1, res1); |
| 310 | |
| 311 | if (diff0 > maxDiff || diff1 > maxDiff) |
| 312 | { |
| 313 | if (numFailed < maxPrints) |
| 314 | { |
| 315 | m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx << ",\n" |
| 316 | << " expected unpackSnorm2x16(" << tcu::toHex(inputs[valNdx]) << ") = " |
| 317 | << "vec2(" << HexFloat(ref0) << ", " << HexFloat(ref1) << ")" |
| 318 | << ", got vec2(" << HexFloat(res0) << ", " << HexFloat(res1) << ")" |
| 319 | << "\n ULP diffs = (" << diff0 << ", " << diff1 << "), max diff = " << maxDiff |
| 320 | << TestLog::EndMessage; |
| 321 | } |
| 322 | else if (numFailed == maxPrints) |
| 323 | m_testCtx.getLog() << TestLog::Message << "..." << TestLog::EndMessage; |
| 324 | |
| 325 | numFailed += 1; |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | m_testCtx.getLog() << TestLog::Message << (numValues - numFailed) << " / " << numValues << " values passed" << TestLog::EndMessage; |
| 330 | |
| 331 | m_testCtx.setTestResult(numFailed == 0 ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| 332 | numFailed == 0 ? "Pass" : "Result comparison failed"); |
| 333 | } |
| 334 | |
| 335 | return STOP; |
| 336 | } |
| 337 | }; |
| 338 | |
| 339 | class PackUnorm2x16Case : public ShaderPackingFunctionCase |
| 340 | { |
| 341 | public: |
| 342 | PackUnorm2x16Case (Context& context, glu::ShaderType shaderType, glu::Precision precision) |
| 343 | : ShaderPackingFunctionCase (context, (string("packunorm2x16") + getPrecisionPostfix(precision) + getShaderTypePostfix(shaderType)).c_str(), "packUnorm2x16", shaderType) |
| 344 | , m_precision (precision) |
| 345 | { |
| 346 | m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_FLOAT_VEC2, precision))); |
| 347 | m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP))); |
| 348 | |
| 349 | m_spec.source = "out0 = packUnorm2x16(in0);"; |
| 350 | } |
| 351 | |
| 352 | IterateResult iterate (void) |
| 353 | { |
| 354 | de::Random rnd (deStringHash(getName()) ^ 0x776002); |
| 355 | std::vector<tcu::Vec2> inputs; |
| 356 | std::vector<deUint32> outputs; |
| 357 | const int maxDiff = m_precision == glu::PRECISION_HIGHP ? 1 : // Rounding only. |
| 358 | m_precision == glu::PRECISION_MEDIUMP ? 65 : // (2^-10) * (2^16) + 1 |
| 359 | m_precision == glu::PRECISION_LOWP ? 257 : 0; // (2^-8) * (2^16) + 1 |
| 360 | |
| 361 | // Special values to check. |
| 362 | inputs.push_back(tcu::Vec2(0.0f, 0.0f)); |
| 363 | inputs.push_back(tcu::Vec2(0.5f, 1.0f)); |
| 364 | inputs.push_back(tcu::Vec2(1.0f, 0.5f)); |
| 365 | inputs.push_back(tcu::Vec2(-0.5f, 1.5f)); |
| 366 | inputs.push_back(tcu::Vec2(0.25f, 0.75f)); |
| 367 | |
| 368 | // Random values, mostly in range. |
| 369 | for (int ndx = 0; ndx < 15; ndx++) |
| 370 | { |
| 371 | const float x = rnd.getFloat()*1.25f; |
| 372 | const float y = rnd.getFloat()*1.25f; |
| 373 | inputs.push_back(tcu::Vec2(x, y)); |
| 374 | } |
| 375 | |
| 376 | // Large random values. |
| 377 | for (int ndx = 0; ndx < 80; ndx++) |
| 378 | { |
| 379 | const float x = rnd.getFloat()*1e6f - 1e5f; |
| 380 | const float y = rnd.getFloat()*1e6f - 1e5f; |
| 381 | inputs.push_back(tcu::Vec2(x, y)); |
| 382 | } |
| 383 | |
| 384 | outputs.resize(inputs.size()); |
| 385 | |
| 386 | m_testCtx.getLog() << TestLog::Message << "Executing shader for " << inputs.size() << " input values" << tcu::TestLog::EndMessage; |
| 387 | |
| 388 | { |
| 389 | const void* in = &inputs[0]; |
| 390 | void* out = &outputs[0]; |
| 391 | |
| 392 | m_executor->useProgram(); |
| 393 | m_executor->execute((int)inputs.size(), &in, &out); |
| 394 | } |
| 395 | |
| 396 | // Verify |
| 397 | { |
| 398 | const int numValues = (int)inputs.size(); |
| 399 | const int maxPrints = 10; |
| 400 | int numFailed = 0; |
| 401 | |
| 402 | for (int valNdx = 0; valNdx < (int)inputs.size(); valNdx++) |
| 403 | { |
| 404 | const deUint16 ref0 = (deUint16)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].x(), 0.0f, 1.0f) * 65535.0f), 0, (1<<16)-1); |
| 405 | const deUint16 ref1 = (deUint16)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].y(), 0.0f, 1.0f) * 65535.0f), 0, (1<<16)-1); |
| 406 | const deUint32 ref = (ref1 << 16) | ref0; |
| 407 | const deUint32 res = outputs[valNdx]; |
| 408 | const deUint16 res0 = (deUint16)(res & 0xffff); |
| 409 | const deUint16 res1 = (deUint16)(res >> 16); |
| 410 | const int diff0 = de::abs((int)ref0 - (int)res0); |
| 411 | const int diff1 = de::abs((int)ref1 - (int)res1); |
| 412 | |
| 413 | if (diff0 > maxDiff || diff1 > maxDiff) |
| 414 | { |
| 415 | if (numFailed < maxPrints) |
| 416 | { |
| 417 | m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx |
| 418 | << ", expected packUnorm2x16(" << inputs[valNdx] << ") = " << tcu::toHex(ref) |
| 419 | << ", got " << tcu::toHex(res) |
| 420 | << "\n diffs = (" << diff0 << ", " << diff1 << "), max diff = " << maxDiff |
| 421 | << TestLog::EndMessage; |
| 422 | } |
| 423 | else if (numFailed == maxPrints) |
| 424 | m_testCtx.getLog() << TestLog::Message << "..." << TestLog::EndMessage; |
| 425 | |
| 426 | numFailed += 1; |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | m_testCtx.getLog() << TestLog::Message << (numValues - numFailed) << " / " << numValues << " values passed" << TestLog::EndMessage; |
| 431 | |
| 432 | m_testCtx.setTestResult(numFailed == 0 ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| 433 | numFailed == 0 ? "Pass" : "Result comparison failed"); |
| 434 | } |
| 435 | |
| 436 | return STOP; |
| 437 | } |
| 438 | |
| 439 | private: |
| 440 | glu::Precision m_precision; |
| 441 | }; |
| 442 | |
| 443 | class UnpackUnorm2x16Case : public ShaderPackingFunctionCase |
| 444 | { |
| 445 | public: |
| 446 | UnpackUnorm2x16Case (Context& context, glu::ShaderType shaderType) |
| 447 | : ShaderPackingFunctionCase(context, (string("unpackunorm2x16") + getShaderTypePostfix(shaderType)).c_str(), "unpackUnorm2x16", shaderType) |
| 448 | { |
| 449 | m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP))); |
| 450 | m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_FLOAT_VEC2, glu::PRECISION_HIGHP))); |
| 451 | |
| 452 | m_spec.source = "out0 = unpackUnorm2x16(in0);"; |
| 453 | } |
| 454 | |
| 455 | IterateResult iterate (void) |
| 456 | { |
| 457 | const deUint32 maxDiff = 1; // Rounding error. |
| 458 | de::Random rnd (deStringHash(getName()) ^ 0x776002); |
| 459 | std::vector<deUint32> inputs; |
| 460 | std::vector<tcu::Vec2> outputs; |
| 461 | |
| 462 | inputs.push_back(0x00000000u); |
| 463 | inputs.push_back(0x7fff8000u); |
| 464 | inputs.push_back(0x80007fffu); |
| 465 | inputs.push_back(0xffffffffu); |
| 466 | inputs.push_back(0x0001fffeu); |
| 467 | |
| 468 | // Random values. |
| 469 | for (int ndx = 0; ndx < 95; ndx++) |
| 470 | inputs.push_back(rnd.getUint32()); |
| 471 | |
| 472 | outputs.resize(inputs.size()); |
| 473 | |
| 474 | m_testCtx.getLog() << TestLog::Message << "Executing shader for " << inputs.size() << " input values" << tcu::TestLog::EndMessage; |
| 475 | |
| 476 | { |
| 477 | const void* in = &inputs[0]; |
| 478 | void* out = &outputs[0]; |
| 479 | |
| 480 | m_executor->useProgram(); |
| 481 | m_executor->execute((int)inputs.size(), &in, &out); |
| 482 | } |
| 483 | |
| 484 | // Verify |
| 485 | { |
| 486 | const int numValues = (int)inputs.size(); |
| 487 | const int maxPrints = 10; |
| 488 | int numFailed = 0; |
| 489 | |
| 490 | for (int valNdx = 0; valNdx < (int)inputs.size(); valNdx++) |
| 491 | { |
| 492 | const deUint16 in0 = (deUint16)(inputs[valNdx] & 0xffff); |
| 493 | const deUint16 in1 = (deUint16)(inputs[valNdx] >> 16); |
| 494 | const float ref0 = float(in0) / 65535.0f; |
| 495 | const float ref1 = float(in1) / 65535.0f; |
| 496 | const float res0 = outputs[valNdx].x(); |
| 497 | const float res1 = outputs[valNdx].y(); |
| 498 | |
| 499 | const deUint32 diff0 = getUlpDiff(ref0, res0); |
| 500 | const deUint32 diff1 = getUlpDiff(ref1, res1); |
| 501 | |
| 502 | if (diff0 > maxDiff || diff1 > maxDiff) |
| 503 | { |
| 504 | if (numFailed < maxPrints) |
| 505 | { |
| 506 | m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx << ",\n" |
| 507 | << " expected unpackUnorm2x16(" << tcu::toHex(inputs[valNdx]) << ") = " |
| 508 | << "vec2(" << HexFloat(ref0) << ", " << HexFloat(ref1) << ")" |
| 509 | << ", got vec2(" << HexFloat(res0) << ", " << HexFloat(res1) << ")" |
| 510 | << "\n ULP diffs = (" << diff0 << ", " << diff1 << "), max diff = " << maxDiff |
| 511 | << TestLog::EndMessage; |
| 512 | } |
| 513 | else if (numFailed == maxPrints) |
| 514 | m_testCtx.getLog() << TestLog::Message << "..." << TestLog::EndMessage; |
| 515 | |
| 516 | numFailed += 1; |
| 517 | } |
| 518 | } |
| 519 | |
| 520 | m_testCtx.getLog() << TestLog::Message << (numValues - numFailed) << " / " << numValues << " values passed" << TestLog::EndMessage; |
| 521 | |
| 522 | m_testCtx.setTestResult(numFailed == 0 ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| 523 | numFailed == 0 ? "Pass" : "Result comparison failed"); |
| 524 | } |
| 525 | |
| 526 | return STOP; |
| 527 | } |
| 528 | }; |
| 529 | |
| 530 | class PackHalf2x16Case : public ShaderPackingFunctionCase |
| 531 | { |
| 532 | public: |
| 533 | PackHalf2x16Case (Context& context, glu::ShaderType shaderType) |
| 534 | : ShaderPackingFunctionCase(context, (string("packhalf2x16") + getShaderTypePostfix(shaderType)).c_str(), "packHalf2x16", shaderType) |
| 535 | { |
| 536 | m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_FLOAT_VEC2, glu::PRECISION_HIGHP))); |
| 537 | m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP))); |
| 538 | |
| 539 | m_spec.source = "out0 = packHalf2x16(in0);"; |
| 540 | } |
| 541 | |
| 542 | IterateResult iterate (void) |
| 543 | { |
| 544 | const int maxDiff = 0; // Values can be represented exactly in mediump. |
| 545 | de::Random rnd (deStringHash(getName()) ^ 0x776002); |
| 546 | std::vector<tcu::Vec2> inputs; |
| 547 | std::vector<deUint32> outputs; |
| 548 | |
| 549 | // Special values to check. |
| 550 | inputs.push_back(tcu::Vec2(0.0f, 0.0f)); |
| 551 | inputs.push_back(tcu::Vec2(0.5f, 1.0f)); |
| 552 | inputs.push_back(tcu::Vec2(1.0f, 0.5f)); |
| 553 | inputs.push_back(tcu::Vec2(-0.5f, 1.5f)); |
| 554 | inputs.push_back(tcu::Vec2(0.25f, 0.75f)); |
| 555 | |
| 556 | // Random values. |
| 557 | { |
| 558 | const int minExp = -14; |
| 559 | const int maxExp = 15; |
| 560 | |
| 561 | for (int ndx = 0; ndx < 95; ndx++) |
| 562 | { |
| 563 | tcu::Vec2 v; |
| 564 | for (int c = 0; c < 2; c++) |
| 565 | { |
| 566 | const int s = rnd.getBool() ? 1 : -1; |
| 567 | const int exp = rnd.getInt(minExp, maxExp); |
| 568 | const deUint32 mantissa = rnd.getUint32() & ((1<<23)-1); |
| 569 | |
| 570 | v[c] = tcu::Float32::construct(s, exp ? exp : 1 /* avoid denormals */, (1u<<23) | mantissa).asFloat(); |
| 571 | } |
| 572 | inputs.push_back(v); |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | // Convert input values to fp16 and back to make sure they can be represented exactly in mediump. |
| 577 | for (std::vector<tcu::Vec2>::iterator inVal = inputs.begin(); inVal != inputs.end(); ++inVal) |
| 578 | *inVal = tcu::Vec2(tcu::Float16(inVal->x()).asFloat(), tcu::Float16(inVal->y()).asFloat()); |
| 579 | |
| 580 | outputs.resize(inputs.size()); |
| 581 | |
| 582 | m_testCtx.getLog() << TestLog::Message << "Executing shader for " << inputs.size() << " input values" << tcu::TestLog::EndMessage; |
| 583 | |
| 584 | { |
| 585 | const void* in = &inputs[0]; |
| 586 | void* out = &outputs[0]; |
| 587 | |
| 588 | m_executor->useProgram(); |
| 589 | m_executor->execute((int)inputs.size(), &in, &out); |
| 590 | } |
| 591 | |
| 592 | // Verify |
| 593 | { |
| 594 | const int numValues = (int)inputs.size(); |
| 595 | const int maxPrints = 10; |
| 596 | int numFailed = 0; |
| 597 | |
| 598 | for (int valNdx = 0; valNdx < (int)inputs.size(); valNdx++) |
| 599 | { |
| 600 | const deUint16 ref0 = (deUint16)tcu::Float16(inputs[valNdx].x()).bits(); |
| 601 | const deUint16 ref1 = (deUint16)tcu::Float16(inputs[valNdx].y()).bits(); |
| 602 | const deUint32 ref = (ref1 << 16) | ref0; |
| 603 | const deUint32 res = outputs[valNdx]; |
| 604 | const deUint16 res0 = (deUint16)(res & 0xffff); |
| 605 | const deUint16 res1 = (deUint16)(res >> 16); |
| 606 | const int diff0 = de::abs((int)ref0 - (int)res0); |
| 607 | const int diff1 = de::abs((int)ref1 - (int)res1); |
| 608 | |
| 609 | if (diff0 > maxDiff || diff1 > maxDiff) |
| 610 | { |
| 611 | if (numFailed < maxPrints) |
| 612 | { |
| 613 | m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx |
| 614 | << ", expected packHalf2x16(" << inputs[valNdx] << ") = " << tcu::toHex(ref) |
| 615 | << ", got " << tcu::toHex(res) |
| 616 | << "\n diffs = (" << diff0 << ", " << diff1 << "), max diff = " << maxDiff |
| 617 | << TestLog::EndMessage; |
| 618 | } |
| 619 | else if (numFailed == maxPrints) |
| 620 | m_testCtx.getLog() << TestLog::Message << "..." << TestLog::EndMessage; |
| 621 | |
| 622 | numFailed += 1; |
| 623 | } |
| 624 | } |
| 625 | |
| 626 | m_testCtx.getLog() << TestLog::Message << (numValues - numFailed) << " / " << numValues << " values passed" << TestLog::EndMessage; |
| 627 | |
| 628 | m_testCtx.setTestResult(numFailed == 0 ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| 629 | numFailed == 0 ? "Pass" : "Result comparison failed"); |
| 630 | } |
| 631 | |
| 632 | return STOP; |
| 633 | } |
| 634 | }; |
| 635 | |
| 636 | class UnpackHalf2x16Case : public ShaderPackingFunctionCase |
| 637 | { |
| 638 | public: |
| 639 | UnpackHalf2x16Case (Context& context, glu::ShaderType shaderType) |
| 640 | : ShaderPackingFunctionCase(context, (string("unpackhalf2x16") + getShaderTypePostfix(shaderType)).c_str(), "unpackHalf2x16", shaderType) |
| 641 | { |
| 642 | m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP))); |
| 643 | m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_FLOAT_VEC2, glu::PRECISION_MEDIUMP))); |
| 644 | |
| 645 | m_spec.source = "out0 = unpackHalf2x16(in0);"; |
| 646 | } |
| 647 | |
| 648 | IterateResult iterate (void) |
| 649 | { |
| 650 | const int maxDiff = 0; // All bits must be accurate. |
| 651 | de::Random rnd (deStringHash(getName()) ^ 0x776002); |
| 652 | std::vector<deUint32> inputs; |
| 653 | std::vector<tcu::Vec2> outputs; |
| 654 | |
| 655 | // Special values. |
| 656 | inputs.push_back((tcu::Float16( 0.0f).bits() << 16) | tcu::Float16( 1.0f).bits()); |
| 657 | inputs.push_back((tcu::Float16( 1.0f).bits() << 16) | tcu::Float16( 0.0f).bits()); |
| 658 | inputs.push_back((tcu::Float16(-1.0f).bits() << 16) | tcu::Float16( 0.5f).bits()); |
| 659 | inputs.push_back((tcu::Float16( 0.5f).bits() << 16) | tcu::Float16(-0.5f).bits()); |
| 660 | |
| 661 | // Construct random values. |
| 662 | { |
| 663 | const int minExp = -14; |
| 664 | const int maxExp = 15; |
| 665 | const int mantBits = 10; |
| 666 | |
| 667 | for (int ndx = 0; ndx < 96; ndx++) |
| 668 | { |
| 669 | deUint32 inVal = 0; |
| 670 | for (int c = 0; c < 2; c++) |
| 671 | { |
| 672 | const int s = rnd.getBool() ? 1 : -1; |
| 673 | const int exp = rnd.getInt(minExp, maxExp); |
| 674 | const deUint32 mantissa = rnd.getUint32() & ((1<<mantBits)-1); |
Jarkko Pöyry | 7a161d2 | 2015-05-19 20:44:07 -0700 | [diff] [blame] | 675 | const deUint16 value = tcu::Float16::construct(s, exp ? exp : 1 /* avoid denorm */, (deUint16)((1u<<10) | mantissa)).bits(); |
Jarkko Poyry | 3c82736 | 2014-09-02 11:48:52 +0300 | [diff] [blame] | 676 | |
| 677 | inVal |= value << (16*c); |
| 678 | } |
| 679 | inputs.push_back(inVal); |
| 680 | } |
| 681 | } |
| 682 | |
| 683 | outputs.resize(inputs.size()); |
| 684 | |
| 685 | m_testCtx.getLog() << TestLog::Message << "Executing shader for " << inputs.size() << " input values" << tcu::TestLog::EndMessage; |
| 686 | |
| 687 | { |
| 688 | const void* in = &inputs[0]; |
| 689 | void* out = &outputs[0]; |
| 690 | |
| 691 | m_executor->useProgram(); |
| 692 | m_executor->execute((int)inputs.size(), &in, &out); |
| 693 | } |
| 694 | |
| 695 | // Verify |
| 696 | { |
| 697 | const int numValues = (int)inputs.size(); |
| 698 | const int maxPrints = 10; |
| 699 | int numFailed = 0; |
| 700 | |
| 701 | for (int valNdx = 0; valNdx < (int)inputs.size(); valNdx++) |
| 702 | { |
| 703 | const deUint16 in0 = (deUint16)(inputs[valNdx] & 0xffff); |
| 704 | const deUint16 in1 = (deUint16)(inputs[valNdx] >> 16); |
| 705 | const float ref0 = tcu::Float16(in0).asFloat(); |
| 706 | const float ref1 = tcu::Float16(in1).asFloat(); |
| 707 | const float res0 = outputs[valNdx].x(); |
| 708 | const float res1 = outputs[valNdx].y(); |
| 709 | |
| 710 | const deUint32 refBits0 = tcu::Float32(ref0).bits(); |
| 711 | const deUint32 refBits1 = tcu::Float32(ref1).bits(); |
| 712 | const deUint32 resBits0 = tcu::Float32(res0).bits(); |
| 713 | const deUint32 resBits1 = tcu::Float32(res1).bits(); |
| 714 | |
| 715 | const int diff0 = de::abs((int)refBits0 - (int)resBits0); |
| 716 | const int diff1 = de::abs((int)refBits1 - (int)resBits1); |
| 717 | |
| 718 | if (diff0 > maxDiff || diff1 > maxDiff) |
| 719 | { |
| 720 | if (numFailed < maxPrints) |
| 721 | { |
| 722 | m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx << ",\n" |
| 723 | << " expected unpackHalf2x16(" << tcu::toHex(inputs[valNdx]) << ") = " |
| 724 | << "vec2(" << ref0 << " / " << tcu::toHex(refBits0) << ", " << ref1 << " / " << tcu::toHex(refBits1) << ")" |
| 725 | << ", got vec2(" << res0 << " / " << tcu::toHex(resBits0) << ", " << res1 << " / " << tcu::toHex(resBits1) << ")" |
| 726 | << "\n ULP diffs = (" << diff0 << ", " << diff1 << "), max diff = " << maxDiff |
| 727 | << TestLog::EndMessage; |
| 728 | } |
| 729 | else if (numFailed == maxPrints) |
| 730 | m_testCtx.getLog() << TestLog::Message << "..." << TestLog::EndMessage; |
| 731 | |
| 732 | numFailed += 1; |
| 733 | } |
| 734 | } |
| 735 | |
| 736 | m_testCtx.getLog() << TestLog::Message << (numValues - numFailed) << " / " << numValues << " values passed" << TestLog::EndMessage; |
| 737 | |
| 738 | m_testCtx.setTestResult(numFailed == 0 ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| 739 | numFailed == 0 ? "Pass" : "Result comparison failed"); |
| 740 | } |
| 741 | |
| 742 | return STOP; |
| 743 | } |
| 744 | }; |
| 745 | |
| 746 | class PackSnorm4x8Case : public ShaderPackingFunctionCase |
| 747 | { |
| 748 | public: |
| 749 | PackSnorm4x8Case (Context& context, glu::ShaderType shaderType, glu::Precision precision) |
| 750 | : ShaderPackingFunctionCase (context, (string("packsnorm4x8") + getPrecisionPostfix(precision) + getShaderTypePostfix(shaderType)).c_str(), "packSnorm4x8", shaderType) |
| 751 | , m_precision (precision) |
| 752 | { |
| 753 | m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_FLOAT_VEC4, precision))); |
| 754 | m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP))); |
| 755 | |
| 756 | m_spec.source = "out0 = packSnorm4x8(in0);"; |
| 757 | } |
| 758 | |
| 759 | IterateResult iterate (void) |
| 760 | { |
| 761 | de::Random rnd (deStringHash(getName()) ^ 0x42f2c0); |
| 762 | std::vector<tcu::Vec4> inputs; |
| 763 | std::vector<deUint32> outputs; |
| 764 | const int maxDiff = m_precision == glu::PRECISION_HIGHP ? 1 : // Rounding only. |
| 765 | m_precision == glu::PRECISION_MEDIUMP ? 1 : // (2^-10) * (2^7) + 1 |
| 766 | m_precision == glu::PRECISION_LOWP ? 2 : 0; // (2^-8) * (2^7) + 1 |
| 767 | |
| 768 | // Special values to check. |
| 769 | inputs.push_back(tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f)); |
| 770 | inputs.push_back(tcu::Vec4(-1.0f, 1.0f, -1.0f, 1.0f)); |
| 771 | inputs.push_back(tcu::Vec4(0.5f, -0.5f, -0.5f, 0.5f)); |
| 772 | inputs.push_back(tcu::Vec4(-1.5f, 1.5f, -1.5f, 1.5f)); |
| 773 | inputs.push_back(tcu::Vec4(0.25f, -0.75f, -0.25f, 0.75f)); |
| 774 | |
| 775 | // Random values, mostly in range. |
| 776 | for (int ndx = 0; ndx < 15; ndx++) |
| 777 | { |
| 778 | const float x = rnd.getFloat()*2.5f - 1.25f; |
| 779 | const float y = rnd.getFloat()*2.5f - 1.25f; |
| 780 | const float z = rnd.getFloat()*2.5f - 1.25f; |
| 781 | const float w = rnd.getFloat()*2.5f - 1.25f; |
| 782 | inputs.push_back(tcu::Vec4(x, y, z, w)); |
| 783 | } |
| 784 | |
| 785 | // Large random values. |
| 786 | for (int ndx = 0; ndx < 80; ndx++) |
| 787 | { |
| 788 | const float x = rnd.getFloat()*1e6f - 0.5e6f; |
| 789 | const float y = rnd.getFloat()*1e6f - 0.5e6f; |
| 790 | const float z = rnd.getFloat()*1e6f - 0.5e6f; |
| 791 | const float w = rnd.getFloat()*1e6f - 0.5e6f; |
| 792 | inputs.push_back(tcu::Vec4(x, y, z, w)); |
| 793 | } |
| 794 | |
| 795 | outputs.resize(inputs.size()); |
| 796 | |
| 797 | m_testCtx.getLog() << TestLog::Message << "Executing shader for " << inputs.size() << " input values" << tcu::TestLog::EndMessage; |
| 798 | |
| 799 | { |
| 800 | const void* in = &inputs[0]; |
| 801 | void* out = &outputs[0]; |
| 802 | |
| 803 | m_executor->useProgram(); |
| 804 | m_executor->execute((int)inputs.size(), &in, &out); |
| 805 | } |
| 806 | |
| 807 | // Verify |
| 808 | { |
| 809 | const int numValues = (int)inputs.size(); |
| 810 | const int maxPrints = 10; |
| 811 | int numFailed = 0; |
| 812 | |
| 813 | for (int valNdx = 0; valNdx < numValues; valNdx++) |
| 814 | { |
| 815 | const deUint16 ref0 = (deUint8)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].x(), -1.0f, 1.0f) * 127.0f), -(1<<7), (1<<7)-1); |
| 816 | const deUint16 ref1 = (deUint8)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].y(), -1.0f, 1.0f) * 127.0f), -(1<<7), (1<<7)-1); |
| 817 | const deUint16 ref2 = (deUint8)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].z(), -1.0f, 1.0f) * 127.0f), -(1<<7), (1<<7)-1); |
| 818 | const deUint16 ref3 = (deUint8)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].w(), -1.0f, 1.0f) * 127.0f), -(1<<7), (1<<7)-1); |
| 819 | const deUint32 ref = (deUint32(ref3) << 24) | (deUint32(ref2) << 16) | (deUint32(ref1) << 8) | deUint32(ref0); |
| 820 | const deUint32 res = outputs[valNdx]; |
| 821 | const deUint16 res0 = (deUint8)(res & 0xff); |
| 822 | const deUint16 res1 = (deUint8)((res >> 8) & 0xff); |
| 823 | const deUint16 res2 = (deUint8)((res >> 16) & 0xff); |
| 824 | const deUint16 res3 = (deUint8)((res >> 24) & 0xff); |
| 825 | const int diff0 = de::abs((int)ref0 - (int)res0); |
| 826 | const int diff1 = de::abs((int)ref1 - (int)res1); |
| 827 | const int diff2 = de::abs((int)ref2 - (int)res2); |
| 828 | const int diff3 = de::abs((int)ref3 - (int)res3); |
| 829 | |
| 830 | if (diff0 > maxDiff || diff1 > maxDiff || diff2 > maxDiff || diff3 > maxDiff) |
| 831 | { |
| 832 | if (numFailed < maxPrints) |
| 833 | { |
| 834 | m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx |
| 835 | << ", expected packSnorm4x8(" << inputs[valNdx] << ") = " << tcu::toHex(ref) |
| 836 | << ", got " << tcu::toHex(res) |
| 837 | << "\n diffs = " << tcu::IVec4(diff0, diff1, diff2, diff3) << ", max diff = " << maxDiff |
| 838 | << TestLog::EndMessage; |
| 839 | } |
| 840 | else if (numFailed == maxPrints) |
| 841 | m_testCtx.getLog() << TestLog::Message << "..." << TestLog::EndMessage; |
| 842 | |
| 843 | numFailed += 1; |
| 844 | } |
| 845 | } |
| 846 | |
| 847 | m_testCtx.getLog() << TestLog::Message << (numValues - numFailed) << " / " << numValues << " values passed" << TestLog::EndMessage; |
| 848 | |
| 849 | m_testCtx.setTestResult(numFailed == 0 ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| 850 | numFailed == 0 ? "Pass" : "Result comparison failed"); |
| 851 | } |
| 852 | |
| 853 | return STOP; |
| 854 | } |
| 855 | |
| 856 | private: |
| 857 | glu::Precision m_precision; |
| 858 | }; |
| 859 | |
| 860 | class UnpackSnorm4x8Case : public ShaderPackingFunctionCase |
| 861 | { |
| 862 | public: |
| 863 | UnpackSnorm4x8Case (Context& context, glu::ShaderType shaderType) |
| 864 | : ShaderPackingFunctionCase(context, (string("unpacksnorm4x8") + getShaderTypePostfix(shaderType)).c_str(), "unpackSnorm4x8", shaderType) |
| 865 | { |
| 866 | m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP))); |
| 867 | m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_FLOAT_VEC4, glu::PRECISION_HIGHP))); |
| 868 | |
| 869 | m_spec.source = "out0 = unpackSnorm4x8(in0);"; |
| 870 | } |
| 871 | |
| 872 | IterateResult iterate (void) |
| 873 | { |
| 874 | const deUint32 maxDiff = 1; // Rounding error. |
| 875 | de::Random rnd (deStringHash(getName()) ^ 0x776002); |
| 876 | std::vector<deUint32> inputs; |
| 877 | std::vector<tcu::Vec4> outputs; |
| 878 | |
| 879 | inputs.push_back(0x00000000u); |
| 880 | inputs.push_back(0x7fff8000u); |
| 881 | inputs.push_back(0x80007fffu); |
| 882 | inputs.push_back(0xffffffffu); |
| 883 | inputs.push_back(0x0001fffeu); |
| 884 | |
| 885 | // Random values. |
| 886 | for (int ndx = 0; ndx < 95; ndx++) |
| 887 | inputs.push_back(rnd.getUint32()); |
| 888 | |
| 889 | outputs.resize(inputs.size()); |
| 890 | |
| 891 | m_testCtx.getLog() << TestLog::Message << "Executing shader for " << inputs.size() << " input values" << tcu::TestLog::EndMessage; |
| 892 | |
| 893 | { |
| 894 | const void* in = &inputs[0]; |
| 895 | void* out = &outputs[0]; |
| 896 | |
| 897 | m_executor->useProgram(); |
| 898 | m_executor->execute((int)inputs.size(), &in, &out); |
| 899 | } |
| 900 | |
| 901 | // Verify |
| 902 | { |
| 903 | const int numValues = (int)inputs.size(); |
| 904 | const int maxPrints = 10; |
| 905 | int numFailed = 0; |
| 906 | |
| 907 | for (int valNdx = 0; valNdx < (int)inputs.size(); valNdx++) |
| 908 | { |
| 909 | const deInt8 in0 = (deInt8)(deUint8)(inputs[valNdx] & 0xff); |
| 910 | const deInt8 in1 = (deInt8)(deUint8)((inputs[valNdx] >> 8) & 0xff); |
| 911 | const deInt8 in2 = (deInt8)(deUint8)((inputs[valNdx] >> 16) & 0xff); |
| 912 | const deInt8 in3 = (deInt8)(deUint8)(inputs[valNdx] >> 24); |
| 913 | const float ref0 = de::clamp(float(in0) / 127.f, -1.0f, 1.0f); |
| 914 | const float ref1 = de::clamp(float(in1) / 127.f, -1.0f, 1.0f); |
| 915 | const float ref2 = de::clamp(float(in2) / 127.f, -1.0f, 1.0f); |
| 916 | const float ref3 = de::clamp(float(in3) / 127.f, -1.0f, 1.0f); |
| 917 | const float res0 = outputs[valNdx].x(); |
| 918 | const float res1 = outputs[valNdx].y(); |
| 919 | const float res2 = outputs[valNdx].z(); |
| 920 | const float res3 = outputs[valNdx].w(); |
| 921 | |
| 922 | const deUint32 diff0 = getUlpDiff(ref0, res0); |
| 923 | const deUint32 diff1 = getUlpDiff(ref1, res1); |
| 924 | const deUint32 diff2 = getUlpDiff(ref2, res2); |
| 925 | const deUint32 diff3 = getUlpDiff(ref3, res3); |
| 926 | |
| 927 | if (diff0 > maxDiff || diff1 > maxDiff || diff2 > maxDiff || diff3 > maxDiff) |
| 928 | { |
| 929 | if (numFailed < maxPrints) |
| 930 | { |
| 931 | m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx << ",\n" |
| 932 | << " expected unpackSnorm4x8(" << tcu::toHex(inputs[valNdx]) << ") = " |
| 933 | << "vec4(" << HexFloat(ref0) << ", " << HexFloat(ref1) << ", " << HexFloat(ref2) << ", " << HexFloat(ref3) << ")" |
| 934 | << ", got vec4(" << HexFloat(res0) << ", " << HexFloat(res1) << ", " << HexFloat(res2) << ", " << HexFloat(res3) << ")" |
| 935 | << "\n ULP diffs = (" << diff0 << ", " << diff1 << ", " << diff2 << ", " << diff3 << "), max diff = " << maxDiff |
| 936 | << TestLog::EndMessage; |
| 937 | } |
| 938 | else if (numFailed == maxPrints) |
| 939 | m_testCtx.getLog() << TestLog::Message << "..." << TestLog::EndMessage; |
| 940 | |
| 941 | numFailed += 1; |
| 942 | } |
| 943 | } |
| 944 | |
| 945 | m_testCtx.getLog() << TestLog::Message << (numValues - numFailed) << " / " << numValues << " values passed" << TestLog::EndMessage; |
| 946 | |
| 947 | m_testCtx.setTestResult(numFailed == 0 ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| 948 | numFailed == 0 ? "Pass" : "Result comparison failed"); |
| 949 | } |
| 950 | |
| 951 | return STOP; |
| 952 | } |
| 953 | }; |
| 954 | |
| 955 | class PackUnorm4x8Case : public ShaderPackingFunctionCase |
| 956 | { |
| 957 | public: |
| 958 | PackUnorm4x8Case (Context& context, glu::ShaderType shaderType, glu::Precision precision) |
| 959 | : ShaderPackingFunctionCase (context, (string("packunorm4x8") + getPrecisionPostfix(precision) + getShaderTypePostfix(shaderType)).c_str(), "packUnorm4x8", shaderType) |
| 960 | , m_precision (precision) |
| 961 | { |
| 962 | m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_FLOAT_VEC4, precision))); |
| 963 | m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP))); |
| 964 | |
| 965 | m_spec.source = "out0 = packUnorm4x8(in0);"; |
| 966 | } |
| 967 | |
| 968 | IterateResult iterate (void) |
| 969 | { |
| 970 | de::Random rnd (deStringHash(getName()) ^ 0x776002); |
| 971 | std::vector<tcu::Vec4> inputs; |
| 972 | std::vector<deUint32> outputs; |
| 973 | const int maxDiff = m_precision == glu::PRECISION_HIGHP ? 1 : // Rounding only. |
| 974 | m_precision == glu::PRECISION_MEDIUMP ? 1 : // (2^-10) * (2^8) + 1 |
| 975 | m_precision == glu::PRECISION_LOWP ? 2 : 0; // (2^-8) * (2^8) + 1 |
| 976 | |
| 977 | // Special values to check. |
| 978 | inputs.push_back(tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f)); |
| 979 | inputs.push_back(tcu::Vec4(-1.0f, 1.0f, -1.0f, 1.0f)); |
| 980 | inputs.push_back(tcu::Vec4(0.5f, -0.5f, -0.5f, 0.5f)); |
| 981 | inputs.push_back(tcu::Vec4(-1.5f, 1.5f, -1.5f, 1.5f)); |
| 982 | inputs.push_back(tcu::Vec4(0.25f, -0.75f, -0.25f, 0.75f)); |
| 983 | |
| 984 | // Random values, mostly in range. |
| 985 | for (int ndx = 0; ndx < 15; ndx++) |
| 986 | { |
| 987 | const float x = rnd.getFloat()*1.25f - 0.125f; |
| 988 | const float y = rnd.getFloat()*1.25f - 0.125f; |
| 989 | const float z = rnd.getFloat()*1.25f - 0.125f; |
| 990 | const float w = rnd.getFloat()*1.25f - 0.125f; |
| 991 | inputs.push_back(tcu::Vec4(x, y, z, w)); |
| 992 | } |
| 993 | |
| 994 | // Large random values. |
| 995 | for (int ndx = 0; ndx < 80; ndx++) |
| 996 | { |
| 997 | const float x = rnd.getFloat()*1e6f - 1e5f; |
| 998 | const float y = rnd.getFloat()*1e6f - 1e5f; |
| 999 | const float z = rnd.getFloat()*1e6f - 1e5f; |
| 1000 | const float w = rnd.getFloat()*1e6f - 1e5f; |
| 1001 | inputs.push_back(tcu::Vec4(x, y, z, w)); |
| 1002 | } |
| 1003 | |
| 1004 | outputs.resize(inputs.size()); |
| 1005 | |
| 1006 | m_testCtx.getLog() << TestLog::Message << "Executing shader for " << inputs.size() << " input values" << tcu::TestLog::EndMessage; |
| 1007 | |
| 1008 | { |
| 1009 | const void* in = &inputs[0]; |
| 1010 | void* out = &outputs[0]; |
| 1011 | |
| 1012 | m_executor->useProgram(); |
| 1013 | m_executor->execute((int)inputs.size(), &in, &out); |
| 1014 | } |
| 1015 | |
| 1016 | // Verify |
| 1017 | { |
| 1018 | const int numValues = (int)inputs.size(); |
| 1019 | const int maxPrints = 10; |
| 1020 | int numFailed = 0; |
| 1021 | |
| 1022 | for (int valNdx = 0; valNdx < (int)inputs.size(); valNdx++) |
| 1023 | { |
| 1024 | const deUint16 ref0 = (deUint8)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].x(), 0.0f, 1.0f) * 255.0f), 0, (1<<8)-1); |
| 1025 | const deUint16 ref1 = (deUint8)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].y(), 0.0f, 1.0f) * 255.0f), 0, (1<<8)-1); |
| 1026 | const deUint16 ref2 = (deUint8)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].z(), 0.0f, 1.0f) * 255.0f), 0, (1<<8)-1); |
| 1027 | const deUint16 ref3 = (deUint8)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].w(), 0.0f, 1.0f) * 255.0f), 0, (1<<8)-1); |
| 1028 | const deUint32 ref = (deUint32(ref3) << 24) | (deUint32(ref2) << 16) | (deUint32(ref1) << 8) | deUint32(ref0); |
| 1029 | const deUint32 res = outputs[valNdx]; |
| 1030 | const deUint16 res0 = (deUint8)(res & 0xff); |
| 1031 | const deUint16 res1 = (deUint8)((res >> 8) & 0xff); |
| 1032 | const deUint16 res2 = (deUint8)((res >> 16) & 0xff); |
| 1033 | const deUint16 res3 = (deUint8)((res >> 24) & 0xff); |
| 1034 | const int diff0 = de::abs((int)ref0 - (int)res0); |
| 1035 | const int diff1 = de::abs((int)ref1 - (int)res1); |
| 1036 | const int diff2 = de::abs((int)ref2 - (int)res2); |
| 1037 | const int diff3 = de::abs((int)ref3 - (int)res3); |
| 1038 | |
| 1039 | if (diff0 > maxDiff || diff1 > maxDiff || diff2 > maxDiff || diff3 > maxDiff) |
| 1040 | { |
| 1041 | if (numFailed < maxPrints) |
| 1042 | { |
| 1043 | m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx |
| 1044 | << ", expected packUnorm4x8(" << inputs[valNdx] << ") = " << tcu::toHex(ref) |
| 1045 | << ", got " << tcu::toHex(res) |
| 1046 | << "\n diffs = " << tcu::IVec4(diff0, diff1, diff2, diff3) << ", max diff = " << maxDiff |
| 1047 | << TestLog::EndMessage; |
| 1048 | } |
| 1049 | else if (numFailed == maxPrints) |
| 1050 | m_testCtx.getLog() << TestLog::Message << "..." << TestLog::EndMessage; |
| 1051 | |
| 1052 | numFailed += 1; |
| 1053 | } |
| 1054 | } |
| 1055 | |
| 1056 | m_testCtx.getLog() << TestLog::Message << (numValues - numFailed) << " / " << numValues << " values passed" << TestLog::EndMessage; |
| 1057 | |
| 1058 | m_testCtx.setTestResult(numFailed == 0 ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| 1059 | numFailed == 0 ? "Pass" : "Result comparison failed"); |
| 1060 | } |
| 1061 | |
| 1062 | return STOP; |
| 1063 | } |
| 1064 | |
| 1065 | private: |
| 1066 | glu::Precision m_precision; |
| 1067 | }; |
| 1068 | |
| 1069 | class UnpackUnorm4x8Case : public ShaderPackingFunctionCase |
| 1070 | { |
| 1071 | public: |
| 1072 | UnpackUnorm4x8Case (Context& context, glu::ShaderType shaderType) |
| 1073 | : ShaderPackingFunctionCase(context, (string("unpackunorm4x8") + getShaderTypePostfix(shaderType)).c_str(), "unpackUnorm4x8", shaderType) |
| 1074 | { |
| 1075 | m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP))); |
| 1076 | m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_FLOAT_VEC4, glu::PRECISION_HIGHP))); |
| 1077 | |
| 1078 | m_spec.source = "out0 = unpackUnorm4x8(in0);"; |
| 1079 | } |
| 1080 | |
| 1081 | IterateResult iterate (void) |
| 1082 | { |
| 1083 | const deUint32 maxDiff = 1; // Rounding error. |
| 1084 | de::Random rnd (deStringHash(getName()) ^ 0x776002); |
| 1085 | std::vector<deUint32> inputs; |
| 1086 | std::vector<tcu::Vec4> outputs; |
| 1087 | |
| 1088 | inputs.push_back(0x00000000u); |
| 1089 | inputs.push_back(0x7fff8000u); |
| 1090 | inputs.push_back(0x80007fffu); |
| 1091 | inputs.push_back(0xffffffffu); |
| 1092 | inputs.push_back(0x0001fffeu); |
| 1093 | |
| 1094 | // Random values. |
| 1095 | for (int ndx = 0; ndx < 95; ndx++) |
| 1096 | inputs.push_back(rnd.getUint32()); |
| 1097 | |
| 1098 | outputs.resize(inputs.size()); |
| 1099 | |
| 1100 | m_testCtx.getLog() << TestLog::Message << "Executing shader for " << inputs.size() << " input values" << tcu::TestLog::EndMessage; |
| 1101 | |
| 1102 | { |
| 1103 | const void* in = &inputs[0]; |
| 1104 | void* out = &outputs[0]; |
| 1105 | |
| 1106 | m_executor->useProgram(); |
| 1107 | m_executor->execute((int)inputs.size(), &in, &out); |
| 1108 | } |
| 1109 | |
| 1110 | // Verify |
| 1111 | { |
| 1112 | const int numValues = (int)inputs.size(); |
| 1113 | const int maxPrints = 10; |
| 1114 | int numFailed = 0; |
| 1115 | |
| 1116 | for (int valNdx = 0; valNdx < (int)inputs.size(); valNdx++) |
| 1117 | { |
| 1118 | const deUint8 in0 = (deUint8)(inputs[valNdx] & 0xff); |
| 1119 | const deUint8 in1 = (deUint8)((inputs[valNdx] >> 8) & 0xff); |
| 1120 | const deUint8 in2 = (deUint8)((inputs[valNdx] >> 16) & 0xff); |
| 1121 | const deUint8 in3 = (deUint8)(inputs[valNdx] >> 24); |
| 1122 | const float ref0 = de::clamp(float(in0) / 255.f, 0.0f, 1.0f); |
| 1123 | const float ref1 = de::clamp(float(in1) / 255.f, 0.0f, 1.0f); |
| 1124 | const float ref2 = de::clamp(float(in2) / 255.f, 0.0f, 1.0f); |
| 1125 | const float ref3 = de::clamp(float(in3) / 255.f, 0.0f, 1.0f); |
| 1126 | const float res0 = outputs[valNdx].x(); |
| 1127 | const float res1 = outputs[valNdx].y(); |
| 1128 | const float res2 = outputs[valNdx].z(); |
| 1129 | const float res3 = outputs[valNdx].w(); |
| 1130 | |
| 1131 | const deUint32 diff0 = getUlpDiff(ref0, res0); |
| 1132 | const deUint32 diff1 = getUlpDiff(ref1, res1); |
| 1133 | const deUint32 diff2 = getUlpDiff(ref2, res2); |
| 1134 | const deUint32 diff3 = getUlpDiff(ref3, res3); |
| 1135 | |
| 1136 | if (diff0 > maxDiff || diff1 > maxDiff || diff2 > maxDiff || diff3 > maxDiff) |
| 1137 | { |
| 1138 | if (numFailed < maxPrints) |
| 1139 | { |
| 1140 | m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx << ",\n" |
| 1141 | << " expected unpackUnorm4x8(" << tcu::toHex(inputs[valNdx]) << ") = " |
| 1142 | << "vec4(" << HexFloat(ref0) << ", " << HexFloat(ref1) << ", " << HexFloat(ref2) << ", " << HexFloat(ref3) << ")" |
| 1143 | << ", got vec4(" << HexFloat(res0) << ", " << HexFloat(res1) << ", " << HexFloat(res2) << ", " << HexFloat(res3) << ")" |
| 1144 | << "\n ULP diffs = (" << diff0 << ", " << diff1 << ", " << diff2 << ", " << diff3 << "), max diff = " << maxDiff |
| 1145 | << TestLog::EndMessage; |
| 1146 | } |
| 1147 | else if (numFailed == maxPrints) |
| 1148 | m_testCtx.getLog() << TestLog::Message << "..." << TestLog::EndMessage; |
| 1149 | |
| 1150 | numFailed += 1; |
| 1151 | } |
| 1152 | } |
| 1153 | |
| 1154 | m_testCtx.getLog() << TestLog::Message << (numValues - numFailed) << " / " << numValues << " values passed" << TestLog::EndMessage; |
| 1155 | |
| 1156 | m_testCtx.setTestResult(numFailed == 0 ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| 1157 | numFailed == 0 ? "Pass" : "Result comparison failed"); |
| 1158 | } |
| 1159 | |
| 1160 | return STOP; |
| 1161 | } |
| 1162 | }; |
| 1163 | |
| 1164 | ShaderPackingFunctionTests::ShaderPackingFunctionTests (Context& context) |
| 1165 | : TestCaseGroup(context, "pack_unpack", "Floating-point pack and unpack function tests") |
| 1166 | { |
| 1167 | } |
| 1168 | |
| 1169 | ShaderPackingFunctionTests::~ShaderPackingFunctionTests (void) |
| 1170 | { |
| 1171 | } |
| 1172 | |
| 1173 | void ShaderPackingFunctionTests::init (void) |
| 1174 | { |
| 1175 | // New built-in functions in GLES 3.1 |
| 1176 | { |
| 1177 | const glu::ShaderType allShaderTypes[] = |
| 1178 | { |
| 1179 | glu::SHADERTYPE_VERTEX, |
| 1180 | glu::SHADERTYPE_TESSELLATION_CONTROL, |
| 1181 | glu::SHADERTYPE_TESSELLATION_EVALUATION, |
| 1182 | glu::SHADERTYPE_GEOMETRY, |
| 1183 | glu::SHADERTYPE_FRAGMENT, |
| 1184 | glu::SHADERTYPE_COMPUTE |
| 1185 | }; |
| 1186 | |
| 1187 | // packSnorm4x8 |
| 1188 | for (int prec = 0; prec < glu::PRECISION_LAST; prec++) |
| 1189 | { |
| 1190 | for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(allShaderTypes); shaderTypeNdx++) |
| 1191 | addChild(new PackSnorm4x8Case(m_context, allShaderTypes[shaderTypeNdx], glu::Precision(prec))); |
| 1192 | } |
| 1193 | |
| 1194 | // unpackSnorm4x8 |
| 1195 | for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(allShaderTypes); shaderTypeNdx++) |
| 1196 | addChild(new UnpackSnorm4x8Case(m_context, allShaderTypes[shaderTypeNdx])); |
| 1197 | |
| 1198 | // packUnorm4x8 |
| 1199 | for (int prec = 0; prec < glu::PRECISION_LAST; prec++) |
| 1200 | { |
| 1201 | for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(allShaderTypes); shaderTypeNdx++) |
| 1202 | addChild(new PackUnorm4x8Case(m_context, allShaderTypes[shaderTypeNdx], glu::Precision(prec))); |
| 1203 | } |
| 1204 | |
| 1205 | // unpackUnorm4x8 |
| 1206 | for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(allShaderTypes); shaderTypeNdx++) |
| 1207 | addChild(new UnpackUnorm4x8Case(m_context, allShaderTypes[shaderTypeNdx])); |
| 1208 | } |
| 1209 | |
| 1210 | // GLES 3 functions in new shader types. |
| 1211 | { |
| 1212 | const glu::ShaderType newShaderTypes[] = |
| 1213 | { |
| 1214 | glu::SHADERTYPE_GEOMETRY, |
| 1215 | glu::SHADERTYPE_COMPUTE |
| 1216 | }; |
| 1217 | |
| 1218 | // packSnorm2x16 |
| 1219 | for (int prec = 0; prec < glu::PRECISION_LAST; prec++) |
| 1220 | { |
| 1221 | for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(newShaderTypes); shaderTypeNdx++) |
| 1222 | addChild(new PackSnorm2x16Case(m_context, newShaderTypes[shaderTypeNdx], glu::Precision(prec))); |
| 1223 | } |
| 1224 | |
| 1225 | // unpackSnorm2x16 |
| 1226 | for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(newShaderTypes); shaderTypeNdx++) |
| 1227 | addChild(new UnpackSnorm2x16Case(m_context, newShaderTypes[shaderTypeNdx])); |
| 1228 | |
| 1229 | // packUnorm2x16 |
| 1230 | for (int prec = 0; prec < glu::PRECISION_LAST; prec++) |
| 1231 | { |
| 1232 | for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(newShaderTypes); shaderTypeNdx++) |
| 1233 | addChild(new PackUnorm2x16Case(m_context, newShaderTypes[shaderTypeNdx], glu::Precision(prec))); |
| 1234 | } |
| 1235 | |
| 1236 | // unpackUnorm2x16 |
| 1237 | for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(newShaderTypes); shaderTypeNdx++) |
| 1238 | addChild(new UnpackUnorm2x16Case(m_context, newShaderTypes[shaderTypeNdx])); |
| 1239 | |
| 1240 | // packHalf2x16 |
| 1241 | for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(newShaderTypes); shaderTypeNdx++) |
| 1242 | addChild(new PackHalf2x16Case(m_context, newShaderTypes[shaderTypeNdx])); |
| 1243 | |
| 1244 | // unpackHalf2x16 |
| 1245 | for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(newShaderTypes); shaderTypeNdx++) |
| 1246 | addChild(new UnpackHalf2x16Case(m_context, newShaderTypes[shaderTypeNdx])); |
| 1247 | } |
| 1248 | } |
| 1249 | |
| 1250 | } // Functional |
| 1251 | } // gles31 |
| 1252 | } // deqp |