modules/gles31/functional/es31fNegativeComputeTests.cpp

   1 /*-------------------------------------------------------------------------
   2  * drawElements Quality Program OpenGL ES 3.1 Module
   3  * -------------------------------------------------
   4  *
   5  * Copyright 2017 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 Negative Compute tests.
  22  *//*--------------------------------------------------------------------*/
  23
  24 #include "es31fNegativeComputeTests.hpp"
  25 #include "gluContextInfo.hpp"
  26 #include "gluShaderProgram.hpp"
  27 #include "glwDefs.hpp"
  28 #include "glwEnums.hpp"
  29 #include "tcuStringTemplate.hpp"
  30
  31 namespace deqp
  32 {
  33
  34 using std::string;
  35 using std::map;
  36
  37 namespace gles31
  38 {
  39 namespace Functional
  40 {
  41 namespace NegativeTestShared
  42 {
  43 namespace
  44 {
  45
  46 using tcu::TestLog;
  47 using namespace glw;
  48
  49 static const char* const vertexShaderSource                     =       "${GLSL_VERSION_STRING}\n"
  50                                                                                                                 "\n"
  51                                                                                                                 "void main (void)\n"
  52                                                                                                                 "{\n"
  53                                                                                                                 "       gl_Position = vec4(0.0);\n"
  54                                                                                                                 "}\n";
  55
  56 static const char* const fragmentShaderSource           =       "${GLSL_VERSION_STRING}\n"
  57                                                                                                                 "precision mediump float;\n"
  58                                                                                                                 "layout(location = 0) out mediump vec4 fragColor;\n"
  59                                                                                                                 "\n"
  60                                                                                                                 "void main (void)\n"
  61                                                                                                                 "{\n"
  62                                                                                                                 "       fragColor = vec4(1.0);\n"
  63                                                                                                                 "}\n";
  64
  65 static const char* const computeShaderSource            =       "${GLSL_VERSION_STRING}\n"
  66                                                                                                                 "layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;\n"
  67                                                                                                                 "void main (void)\n"
  68                                                                                                                 "{\n"
  69                                                                                                                 "}\n";
  70
  71 static const char* const invalidComputeShaderSource     =       "${GLSL_VERSION_STRING}\n"
  72                                                                                                                 "layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;\n"
  73                                                                                                                 "void main (void)\n"
  74                                                                                                                 "{\n"
  75                                                                                                                 "       highp uint var = -1;\n" // error
  76                                                                                                                 "}\n";
  77
  78 int getResourceLimit (NegativeTestContext& ctx, GLenum resource)
  79 {
  80         int limit = 0;
  81         ctx.glGetIntegerv(resource, &limit);
  82
  83         return limit;
  84 }
  85
  86 void verifyLinkError (NegativeTestContext& ctx, const glu::ShaderProgram& program)
  87 {
  88         bool testFailed = false;
  89
  90         tcu::TestLog& log = ctx.getLog();
  91         log << program;
  92
  93         testFailed = program.getProgramInfo().linkOk;
  94
  95         if (testFailed)
  96         {
  97                 const char* const message("Program was not expected to link.");
  98                 log << tcu::TestLog::Message << message << tcu::TestLog::EndMessage;
  99                 ctx.fail(message);
 100         }
 101 }
 102
 103 void verifyCompileError (NegativeTestContext& ctx, const glu::ShaderProgram& program, glu::ShaderType shaderType)
 104 {
 105         bool testFailed = false;
 106
 107         tcu::TestLog& log = ctx.getLog();
 108         log << program;
 109
 110         testFailed = program.getShaderInfo(shaderType).compileOk;
 111
 112         if (testFailed)
 113         {
 114                 const char* const message("Program was not expected to compile.");
 115                 log << tcu::TestLog::Message << message << tcu::TestLog::EndMessage;
 116                 ctx.fail(message);
 117         }
 118 }
 119
 120 string generateComputeShader (NegativeTestContext& ctx, const string& shaderDeclarations, const string& shaderBody)
 121 {
 122         const bool                      isES32                  = glu::contextSupports(ctx.getRenderContext().getType(), glu::ApiType::es(3, 2));
 123         const char* const       shaderVersion   = isES32
 124                                                                                 ? getGLSLVersionDeclaration(glu::GLSL_VERSION_320_ES)
 125                                                                                 : getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES);
 126
 127         std::ostringstream compShaderSource;
 128
 129         compShaderSource        <<      shaderVersion << "\n"
 130                                                 <<      "layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;\n"
 131                                                 <<      shaderDeclarations << "\n"
 132                                                 <<      "void main (void)\n"
 133                                                 <<      "{\n"
 134                                                 <<      shaderBody
 135                                                 <<      "}\n";
 136
 137         return compShaderSource.str();
 138 }
 139
 140 string genBuiltInSource (glu::ShaderType shaderType)
 141 {
 142         std::ostringstream              source;
 143         source << "${GLSL_VERSION_STRING}\n";
 144
 145         switch (shaderType)
 146         {
 147                 case glu::SHADERTYPE_VERTEX:
 148                 case glu::SHADERTYPE_FRAGMENT:
 149                         break;
 150
 151                 case glu::SHADERTYPE_COMPUTE:
 152                         source << "layout (local_size_x = 1) in;\n";
 153                         break;
 154
 155                 case glu::SHADERTYPE_GEOMETRY:
 156                         source << "layout(points) in;\n"
 157                                    << "layout(line_strip, max_vertices = 3) out;\n";
 158                         break;
 159
 160                 case glu::SHADERTYPE_TESSELLATION_CONTROL:
 161                         source << "${GLSL_TESS_EXTENSION_STRING}\n"
 162                                    << "layout(vertices = 10) out;\n";
 163                         break;
 164
 165                 case glu::SHADERTYPE_TESSELLATION_EVALUATION:
 166                         source << "${GLSL_TESS_EXTENSION_STRING}\n"
 167                                    << "layout(triangles) in;\n";
 168                         break;
 169
 170                 default:
 171                         DE_FATAL("Unknown shader type");
 172                         break;
 173         }
 174
 175         source  << "\n"
 176                         << "void main(void)\n"
 177                         << "{\n"
 178                         << "${COMPUTE_BUILT_IN_CONSTANTS_STRING}"
 179                         << "}\n";
 180
 181         return source.str();
 182 }
 183
 184 void exceed_uniform_block_limit (NegativeTestContext& ctx)
 185 {
 186         std::ostringstream shaderDecl;
 187         std::ostringstream shaderBody;
 188
 189         shaderDecl      << "layout(std140, binding = 0) uniform Block\n"
 190                                 << "{\n"
 191                                 << "    highp vec4 val;\n"
 192                                 << "} block[" << getResourceLimit(ctx, GL_MAX_COMPUTE_UNIFORM_BLOCKS) + 1 << "];\n";
 193
 194         glu::ShaderProgram      program(ctx.getRenderContext(), glu::ProgramSources()
 195                         << glu::ComputeSource(generateComputeShader(ctx, shaderDecl.str(), shaderBody.str())));
 196
 197         ctx.beginSection("Link error is generated if a compute shader exceeds GL_MAX_COMPUTE_UNIFORM_BLOCKS.");
 198         verifyLinkError(ctx, program);
 199         ctx.endSection();
 200 }
 201
 202 void exceed_shader_storage_block_limit (NegativeTestContext& ctx)
 203 {
 204         std::ostringstream shaderDecl;
 205         std::ostringstream shaderBody;
 206
 207         shaderDecl      << "layout(std140, binding = 0) buffer Block\n"
 208                                 << "{\n"
 209                                 << "    highp vec4 val;\n"
 210                                 << "} block[" << getResourceLimit(ctx, GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS) + 1 << "];\n";
 211
 212         glu::ShaderProgram      program(ctx.getRenderContext(), glu::ProgramSources()
 213                         << glu::ComputeSource(generateComputeShader(ctx, shaderDecl.str(), shaderBody.str())));
 214
 215         ctx.beginSection("Link error is generated if compute shader exceeds GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS.");
 216         verifyLinkError(ctx, program);
 217         ctx.endSection();
 218 }
 219
 220 void exceed_texture_image_units_limit (NegativeTestContext& ctx)
 221 {
 222         const int                       limit                   = getResourceLimit(ctx, GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS) + 1;
 223         std::ostringstream      shaderDecl;
 224         std::ostringstream      shaderBody;
 225
 226         shaderDecl      << "layout(binding = 0) "
 227                                 << "uniform highp sampler2D u_sampler[" << limit + 1 << "];\n"
 228                                 << "\n"
 229                                 << "layout(binding = 0) buffer Output {\n"
 230                                 << "    vec4 values[ " << limit + 1 << " ];\n"
 231                                 << "} sb_out;\n";
 232
 233         for (int i = 0; i < limit + 1; ++i)
 234                 shaderBody      << "   sb_out.values[" << i << "] = texture(u_sampler[" << i << "], vec2(1.0f));\n";
 235
 236         glu::ShaderProgram      program(ctx.getRenderContext(), glu::ProgramSources()
 237                         << glu::ComputeSource(generateComputeShader(ctx, shaderDecl.str(), shaderBody.str())));
 238
 239         tcu::TestLog& log = ctx.getLog();
 240         log << tcu::TestLog::Message << "Possible link error is generated if compute shader exceeds GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS." << tcu::TestLog::EndMessage;
 241         log << program;
 242
 243         if (program.getProgramInfo().linkOk)
 244         {
 245                 log << tcu::TestLog::Message << "Quality Warning: program was not expected to link." << tcu::TestLog::EndMessage;
 246                 ctx.glUseProgram(program.getProgram());
 247                 ctx.expectError(GL_NO_ERROR);
 248
 249                 ctx.beginSection("GL_INVALID_OPERATION error is generated if the sum of the number of active samplers for each active program exceeds the maximum number of texture image units allowed");
 250                 ctx.glDispatchCompute(1, 1, 1);
 251                 ctx.expectError(GL_INVALID_VALUE);
 252                 ctx.endSection();
 253         }
 254 }
 255
 256 void exceed_image_uniforms_limit (NegativeTestContext& ctx)
 257 {
 258         const int                       limit = getResourceLimit(ctx, GL_MAX_COMPUTE_IMAGE_UNIFORMS);
 259         std::ostringstream      shaderDecl;
 260         std::ostringstream      shaderBody;
 261
 262         shaderDecl      << "layout(rgba8, binding = 0) "
 263                                 << "uniform readonly highp image2D u_image[" << limit + 1 << "];\n"
 264                                 << "\n"
 265                                 << "layout(binding = 0) buffer Output {\n"
 266                                 << "    float values[" << limit + 1 << "];\n"
 267                                 << "} sb_out;\n";
 268
 269         for (int i = 0; i < limit + 1; ++i)
 270                 shaderBody      << "    sb_out.values[" << i << "]" << "  = imageLoad(u_image[" << i << "], ivec2(gl_GlobalInvocationID.xy)).x;\n";
 271
 272         glu::ShaderProgram      program(ctx.getRenderContext(), glu::ProgramSources()
 273                         << glu::ComputeSource(generateComputeShader(ctx, shaderDecl.str(), shaderBody.str())));
 274
 275         ctx.beginSection("Link error is generated if compute shader exceeds GL_MAX_COMPUTE_IMAGE_UNIFORMS.");
 276         verifyLinkError(ctx, program);
 277         ctx.endSection();
 278 }
 279
 280 void exceed_shared_memory_size_limit (NegativeTestContext& ctx)
 281 {
 282         const int                       limit                           = getResourceLimit(ctx, GL_MAX_COMPUTE_SHARED_MEMORY_SIZE);
 283         const long                      numberOfElements        = limit / sizeof(GLuint);
 284         std::ostringstream      shaderDecl;
 285         std::ostringstream      shaderBody;
 286
 287         shaderDecl      << "shared uint values[" << numberOfElements + 1 << "];\n"
 288                                 << "\n"
 289                                 << "layout(binding = 0) buffer Output {\n"
 290                                 << "    uint values;\n"
 291                                 << "} sb_out;\n";
 292
 293         shaderBody      << "    sb_out.values = values[" << numberOfElements << "];\n";
 294
 295         glu::ShaderProgram      program(ctx.getRenderContext(), glu::ProgramSources()
 296                         << glu::ComputeSource(generateComputeShader(ctx, shaderDecl.str(), shaderBody.str())));
 297
 298         ctx.beginSection("Link error is generated if compute shader exceeds GL_MAX_COMPUTE_SHARED_MEMORY_SIZE.");
 299         verifyLinkError(ctx, program);
 300         ctx.endSection();
 301 }
 302
 303 void exceed_uniform_components_limit (NegativeTestContext& ctx)
 304 {
 305         const int                       limit = getResourceLimit(ctx, GL_MAX_COMPUTE_UNIFORM_COMPONENTS);
 306         std::ostringstream      shaderDecl;
 307         std::ostringstream      shaderBody;
 308
 309         shaderDecl      << "uniform highp uint u_value[" << limit + 1 << "];\n"
 310                                 << "\n"
 311                                 << "layout(binding = 0) buffer Output {\n"
 312                                 << "    uint values[2];\n"
 313                                 << "} sb_out;\n";
 314
 315         shaderBody << "    sb_out.values[0] = u_value[" << limit << "];\n";
 316         shaderBody << "    sb_out.values[1] = u_value[0];\n";
 317
 318         glu::ShaderProgram      program(ctx.getRenderContext(), glu::ProgramSources()
 319                         << glu::ComputeSource(generateComputeShader(ctx, shaderDecl.str(), shaderBody.str())));
 320
 321         ctx.beginSection("Link error is generated if compute shader exceeds GL_MAX_COMPUTE_UNIFORM_COMPONENTS.");
 322         verifyLinkError(ctx, program);
 323         ctx.endSection();
 324 }
 325
 326 void exceed_atomic_counter_buffer_limit (NegativeTestContext& ctx)
 327 {
 328         const int                       limit = getResourceLimit(ctx, GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS);
 329         std::ostringstream      shaderDecl;
 330         std::ostringstream      shaderBody;
 331
 332         for (int i = 0; i < limit + 1; ++i)
 333         {
 334                 shaderDecl      << "layout(binding = " << i << ") "
 335                                         << "uniform atomic_uint u_atomic" << i << ";\n";
 336
 337                 if (i == 0)
 338                         shaderBody      << "    uint oldVal = atomicCounterIncrement(u_atomic" << i << ");\n";
 339                 else
 340                         shaderBody      << "    oldVal = atomicCounterIncrement(u_atomic" << i << ");\n";
 341         }
 342
 343         shaderBody      << "    sb_out.value = oldVal;\n";
 344
 345         shaderDecl      << "\n"
 346                                 << "layout(binding = 0) buffer Output {\n"
 347                                 << "    uint value;\n"
 348                                 << "} sb_out;\n";
 349
 350         glu::ShaderProgram      program(ctx.getRenderContext(), glu::ProgramSources()
 351                         << glu::ComputeSource(generateComputeShader(ctx, shaderDecl.str(), shaderBody.str())));
 352
 353         ctx.beginSection("Link error is generated if compute shader exceeds GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS.");
 354         verifyLinkError(ctx, program);
 355         ctx.endSection();
 356 }
 357
 358 void exceed_atomic_counters_limit (NegativeTestContext& ctx)
 359 {
 360         std::ostringstream      shaderDecl;
 361         std::ostringstream      shaderBody;
 362
 363         shaderDecl      << "layout(binding = 0, offset = 0) uniform atomic_uint u_atomic0;\n"
 364                                 << "layout(binding = " << sizeof(GLuint) * getResourceLimit(ctx, GL_MAX_COMPUTE_ATOMIC_COUNTERS) << ", offset = 0) uniform atomic_uint u_atomic1;\n"
 365                                 << "\n"
 366                                 << "layout(binding = 0) buffer Output {\n"
 367                                 << "    uint value;\n"
 368                                 << "} sb_out;\n";
 369
 370         shaderBody      << "    uint oldVal = 0u;\n"
 371                                 << "    oldVal = atomicCounterIncrement(u_atomic0);\n"
 372                                 << "    oldVal = atomicCounterIncrement(u_atomic1);\n"
 373                                 << "    sb_out.value = oldVal;\n";
 374
 375         glu::ShaderProgram      program(ctx.getRenderContext(), glu::ProgramSources()
 376                         << glu::ComputeSource(generateComputeShader(ctx, shaderDecl.str(), shaderBody.str())));
 377
 378         ctx.beginSection("Link error is generated if compute shader exceeds GL_MAX_COMPUTE_ATOMIC_COUNTERS.");
 379         verifyLinkError(ctx, program);
 380         ctx.endSection();
 381 }
 382
 383 void program_not_active (NegativeTestContext& ctx)
 384 {
 385         const bool                                      isES32  = glu::contextSupports(ctx.getRenderContext().getType(), glu::ApiType::es(3, 2));
 386         map<string, string>                     args;
 387         args["GLSL_VERSION_STRING"]                     = isES32 ? getGLSLVersionDeclaration(glu::GLSL_VERSION_320_ES) : getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES);
 388
 389         const glu::VertexSource         vertSource(tcu::StringTemplate(vertexShaderSource).specialize(args));
 390         const glu::FragmentSource       fragSource(tcu::StringTemplate(fragmentShaderSource).specialize(args));
 391
 392         glu::ProgramPipeline            pipeline(ctx.getRenderContext());
 393
 394         glu::ShaderProgram                      vertProgram     (ctx.getRenderContext(), glu::ProgramSources() << glu::ProgramSeparable(true) << vertSource);
 395         glu::ShaderProgram                      fragProgram     (ctx.getRenderContext(), glu::ProgramSources() << glu::ProgramSeparable(true) << fragSource);
 396
 397         tcu::TestLog& log                       = ctx.getLog();
 398         log << vertProgram << fragProgram;
 399
 400         if (!vertProgram.isOk() || !fragProgram.isOk())
 401                 TCU_THROW(InternalError, "failed to build program");
 402
 403         ctx.glBindProgramPipeline(pipeline.getPipeline());
 404         ctx.expectError(GL_NO_ERROR);
 405
 406         ctx.beginSection("Program not set at all");
 407         {
 408                 ctx.beginSection("GL_INVALID_OPERATION is generated by glDispatchCompute if there is no active program for the compute shader stage.");
 409                 ctx.glDispatchCompute(1, 1, 1);
 410                 ctx.expectError(GL_INVALID_OPERATION);
 411                 ctx.endSection();
 412
 413                 ctx.beginSection("GL_INVALID_OPERATION is generated by glDispatchComputeIndirect if there is no active program for the compute shader stage.");
 414                 GLintptr indirect = 0;
 415                 ctx.glDispatchComputeIndirect(indirect);
 416                 ctx.expectError(GL_INVALID_OPERATION);
 417                 ctx.endSection();
 418         }
 419         ctx.endSection();
 420
 421         ctx.beginSection("Program contains graphic pipeline stages");
 422         {
 423                 ctx.glUseProgramStages(pipeline.getPipeline(), GL_VERTEX_SHADER_BIT, vertProgram.getProgram());
 424                 ctx.glUseProgramStages(pipeline.getPipeline(), GL_FRAGMENT_SHADER_BIT, fragProgram.getProgram());
 425                 ctx.expectError(GL_NO_ERROR);
 426
 427                 ctx.beginSection("GL_INVALID_OPERATION is generated by glDispatchCompute if there is no active program for the compute shader stage.");
 428                 ctx.glDispatchCompute(1, 1, 1);
 429                 ctx.expectError(GL_INVALID_OPERATION);
 430                 ctx.endSection();
 431
 432                 ctx.beginSection("GL_INVALID_OPERATION is generated by glDispatchComputeIndirect if there is no active program for the compute shader stage.");
 433                 GLintptr indirect = 0;
 434                 ctx.glDispatchComputeIndirect(indirect);
 435                 ctx.expectError(GL_INVALID_OPERATION);
 436                 ctx.endSection();
 437         }
 438         ctx.endSection();
 439
 440         ctx.glBindProgramPipeline(0);
 441         ctx.expectError(GL_NO_ERROR);
 442 }
 443
 444 void invalid_program_query (NegativeTestContext& ctx)
 445 {
 446         const bool                                      isES32  = glu::contextSupports(ctx.getRenderContext().getType(), glu::ApiType::es(3, 2));
 447         map<string, string>                     args;
 448         args["GLSL_VERSION_STRING"]                     = isES32 ? getGLSLVersionDeclaration(glu::GLSL_VERSION_320_ES) : getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES);
 449
 450         GLint data[3] = { 0, 0, 0 };
 451
 452         ctx.beginSection("Compute shader that does not link");
 453         {
 454                 const glu::ComputeSource        compSource(tcu::StringTemplate(invalidComputeShaderSource).specialize(args));
 455                 glu::ShaderProgram                      invalidComputeProgram (ctx.getRenderContext(), glu::ProgramSources() << compSource);
 456
 457                 tcu::TestLog& log = ctx.getLog();
 458                 log << invalidComputeProgram;
 459
 460                 if (invalidComputeProgram.isOk())
 461                         TCU_THROW(InternalError, "program should not of built");
 462
 463                 ctx.beginSection("GL_INVALID_OPERATION is generated if GL_COMPUTE_WORK_GROUP_SIZE is queried for a program which has not been linked properly.");
 464                 ctx.glGetProgramiv(invalidComputeProgram.getProgram(), GL_COMPUTE_WORK_GROUP_SIZE, &data[0]);
 465                 ctx.expectError(GL_INVALID_OPERATION);
 466                 ctx.endSection();
 467
 468                 ctx.glUseProgram(0);
 469         }
 470         ctx.endSection();
 471
 472         ctx.beginSection("Compute shader not present");
 473         {
 474                 const glu::VertexSource         vertSource(tcu::StringTemplate(vertexShaderSource).specialize(args));
 475                 const glu::FragmentSource       fragSource(tcu::StringTemplate(fragmentShaderSource).specialize(args));
 476                 glu::ShaderProgram                      graphicsPipelineProgram (ctx.getRenderContext(), glu::ProgramSources() << vertSource << fragSource);
 477
 478                 tcu::TestLog& log = ctx.getLog();
 479                 log << graphicsPipelineProgram;
 480
 481                 if (!graphicsPipelineProgram.isOk())
 482                         TCU_THROW(InternalError, "failed to build program");
 483
 484                 ctx.beginSection("GL_INVALID_OPERATION is generated if GL_COMPUTE_WORK_GROUP_SIZE is queried for a program which has not been linked properly.");
 485                 ctx.glGetProgramiv(graphicsPipelineProgram.getProgram(), GL_COMPUTE_WORK_GROUP_SIZE, &data[0]);
 486                 ctx.expectError(GL_INVALID_OPERATION);
 487                 ctx.endSection();
 488
 489                 ctx.glUseProgram(0);
 490         }
 491         ctx.endSection();
 492 }
 493
 494 void invalid_dispatch_compute_indirect (NegativeTestContext& ctx)
 495 {
 496         const bool                                      isES32  = glu::contextSupports(ctx.getRenderContext().getType(), glu::ApiType::es(3, 2));
 497         map<string, string>                     args;
 498         args["GLSL_VERSION_STRING"]                     = isES32 ? getGLSLVersionDeclaration(glu::GLSL_VERSION_320_ES) : getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES);
 499
 500         const glu::ComputeSource        compSource(tcu::StringTemplate(computeShaderSource).specialize(args));
 501         glu::ShaderProgram                      program(ctx.getRenderContext(), glu::ProgramSources() << compSource);
 502
 503         tcu::TestLog& log = ctx.getLog();
 504         log << program;
 505
 506         if (!program.isOk())
 507                 TCU_THROW(InternalError, "failed to build program");
 508
 509         ctx.glUseProgram(program.getProgram());
 510         ctx.expectError(GL_NO_ERROR);
 511
 512         static const struct
 513         {
 514                 GLuint numGroupsX;
 515                 GLuint numGroupsY;
 516                 GLuint numGroupsZ;
 517         } data = {0, 0, 0};
 518
 519         {
 520                 GLuint buffer;
 521                 ctx.glGenBuffers(1, &buffer);
 522                 ctx.glBindBuffer(GL_DISPATCH_INDIRECT_BUFFER, 0);
 523                 ctx.expectError(GL_NO_ERROR);
 524
 525                 ctx.beginSection("GL_INVALID_OPERATION is generated by glDispatchComputeIndirect if zero is bound to GL_DISPATCH_INDIRECT_BUFFER.");
 526                 GLintptr indirect = 0;
 527                 ctx.glDispatchComputeIndirect(indirect);
 528                 ctx.expectError(GL_INVALID_OPERATION);
 529                 ctx.endSection();
 530
 531                 ctx.glDeleteBuffers(1, &buffer);
 532         }
 533
 534         {
 535                 GLuint buffer;
 536                 ctx.glGenBuffers(1, &buffer);
 537                 ctx.expectError(GL_NO_ERROR);
 538
 539                 ctx.glBindBuffer(GL_DISPATCH_INDIRECT_BUFFER, buffer);
 540                 ctx.expectError(GL_NO_ERROR);
 541
 542                 ctx.glBufferData(GL_DISPATCH_INDIRECT_BUFFER, sizeof(data), &data, GL_STATIC_DRAW);
 543                 ctx.expectError(GL_NO_ERROR);
 544
 545                 ctx.beginSection("GL_INVALID_OPERATION is generated by glDispatchComputeIndirect if data is sourced beyond the end of the buffer object.");
 546                 GLintptr indirect = 1 << 10;
 547                 ctx.glDispatchComputeIndirect(indirect);
 548                 ctx.expectError(GL_INVALID_OPERATION);
 549                 ctx.endSection();
 550
 551                 ctx.glBindBuffer(GL_DISPATCH_INDIRECT_BUFFER, 0);
 552                 ctx.glDeleteBuffers(1, &buffer);
 553         }
 554
 555         {
 556                 ctx.beginSection("GL_INVALID_VALUE is generated by glDispatchComputeIndirect if the value of indirect is less than zero.");
 557                 GLintptr indirect = -1;
 558                 ctx.glDispatchComputeIndirect(indirect);
 559                 ctx.expectError(GL_INVALID_VALUE);
 560                 ctx.endSection();
 561         }
 562
 563         {
 564                 GLuint buffer;
 565                 ctx.glGenBuffers(1, &buffer);
 566                 ctx.expectError(GL_NO_ERROR);
 567
 568                 ctx.glBindBuffer(GL_DISPATCH_INDIRECT_BUFFER, buffer);
 569                 ctx.expectError(GL_NO_ERROR);
 570
 571                 ctx.glBufferData(GL_DISPATCH_INDIRECT_BUFFER, sizeof(data), &data, GL_STATIC_DRAW);
 572                 ctx.expectError(GL_NO_ERROR);
 573
 574                 ctx.beginSection("GL_INVALID_VALUE is generated by glDispatchComputeIndirect if indirect is not a multiple of the size, in basic machine units, of uint.");
 575                 GLintptr indirect = sizeof(data) + 1;
 576                 ctx.glDispatchComputeIndirect(indirect);
 577                 ctx.expectError(GL_INVALID_VALUE);
 578                 ctx.endSection();
 579
 580                 ctx.glBindBuffer(GL_DISPATCH_INDIRECT_BUFFER, 0);
 581                 ctx.glDeleteBuffers(1, &buffer);
 582         }
 583 }
 584
 585 void invalid_maximum_work_group_counts (NegativeTestContext& ctx)
 586 {
 587         const bool                                      isES32  = glu::contextSupports(ctx.getRenderContext().getType(), glu::ApiType::es(3, 2));
 588         map<string, string>                     args;
 589         args["GLSL_VERSION_STRING"]                     = isES32 ? getGLSLVersionDeclaration(glu::GLSL_VERSION_320_ES) : getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES);
 590
 591         const glu::ComputeSource        compSource(tcu::StringTemplate(computeShaderSource).specialize(args));
 592         glu::ShaderProgram                      program(ctx.getRenderContext(), glu::ProgramSources() << compSource);
 593
 594         tcu::TestLog& log = ctx.getLog();
 595         log << program;
 596
 597         if (!program.isOk())
 598                 TCU_THROW(InternalError, "failed to build program");
 599
 600         ctx.glUseProgram(program.getProgram());
 601         ctx.expectError(GL_NO_ERROR);
 602
 603         GLint workGroupCountX;
 604         ctx.glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_COUNT, (GLuint)0, &workGroupCountX);
 605         ctx.expectError(GL_NO_ERROR);
 606
 607         ctx.beginSection("GL_INVALID_VALUE is generated by glDispatchCompute if <numGroupsX> array is larger than the maximum work group count for the x dimension.");
 608         ctx.glDispatchCompute(workGroupCountX+1, 1, 1);
 609         ctx.expectError(GL_INVALID_VALUE);
 610         ctx.endSection();
 611
 612         GLint workGroupCountY;
 613         ctx.glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_COUNT, (GLuint)1, &workGroupCountY);
 614         ctx.expectError(GL_NO_ERROR);
 615
 616         ctx.beginSection("GL_INVALID_VALUE is generated by glDispatchCompute if <numGroupsY> array is larger than the maximum work group count for the y dimension.");
 617         ctx.glDispatchCompute(1, workGroupCountY+1, 1);
 618         ctx.expectError(GL_INVALID_VALUE);
 619         ctx.endSection();
 620
 621         GLint workGroupCountZ;
 622         ctx.glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_COUNT, (GLuint)2, &workGroupCountZ);
 623         ctx.expectError(GL_NO_ERROR);
 624
 625         ctx.beginSection("GL_INVALID_VALUE is generated by glDispatchCompute if <numGroupsZ> array is larger than the maximum work group count for the z dimension.");
 626         ctx.glDispatchCompute(1, 1, workGroupCountZ+1);
 627         ctx.expectError(GL_INVALID_VALUE);
 628         ctx.endSection();
 629 }
 630
 631 void invalid_maximum_work_group_sizes (NegativeTestContext& ctx)
 632 {
 633         GLint maxWorkGroupSizeX;
 634         ctx.glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_SIZE, (GLuint)0, &maxWorkGroupSizeX);
 635         ctx.expectError(GL_NO_ERROR);
 636
 637         GLint maxWorkGroupSizeY;
 638         ctx.glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_SIZE, (GLuint)1, &maxWorkGroupSizeY);
 639         ctx.expectError(GL_NO_ERROR);
 640
 641         GLint maxWorkGroupSizeZ;
 642         ctx.glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_SIZE, (GLuint)2, &maxWorkGroupSizeZ);
 643         ctx.expectError(GL_NO_ERROR);
 644
 645         GLint maxWorkGroupInvocations;
 646         ctx.glGetIntegerv(GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS, &maxWorkGroupInvocations);
 647         ctx.expectError(GL_NO_ERROR);
 648
 649         DE_ASSERT((maxWorkGroupSizeX * maxWorkGroupSizeY * maxWorkGroupSizeZ) > maxWorkGroupInvocations );
 650
 651         const bool                              isES32                  = glu::contextSupports(ctx.getRenderContext().getType(), glu::ApiType::es(3, 2));
 652         const char* const               shaderVersion   = isES32
 653                                                                                         ? getGLSLVersionDeclaration(glu::GLSL_VERSION_320_ES)
 654                                                                                         : getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES);
 655
 656         static const struct
 657         {
 658                 GLint x;
 659                 GLint y;
 660                 GLint z;
 661         } localWorkGroupSizeCases[] =
 662         {
 663                 {       maxWorkGroupSizeX+1,    1,                                              1                                               },
 664                 {       1,                                              maxWorkGroupSizeY+1,    1                                               },
 665                 {       1,                                              1,                                              maxWorkGroupSizeZ+1             },
 666                 {       maxWorkGroupSizeX,              maxWorkGroupSizeY,              maxWorkGroupSizeZ               },
 667         };
 668
 669         for (int testCase = 0; testCase < DE_LENGTH_OF_ARRAY(localWorkGroupSizeCases); ++testCase)
 670         {
 671                 std::ostringstream compShaderSource;
 672
 673                 compShaderSource        <<      shaderVersion << "\n"
 674                                                         <<      "layout(local_size_x = " << localWorkGroupSizeCases[testCase].x << ", local_size_y = " << localWorkGroupSizeCases[testCase].y << ", local_size_z = " << localWorkGroupSizeCases[testCase].z << ") in;\n"
 675                                                         <<      "void main (void)\n"
 676                                                         <<      "{\n"
 677                                                         <<      "}\n";
 678
 679                 const glu::ComputeSource        compSource(compShaderSource.str());
 680                 glu::ShaderProgram                      program(ctx.getRenderContext(), glu::ProgramSources() << compSource);
 681
 682                 if (testCase == DE_LENGTH_OF_ARRAY(localWorkGroupSizeCases)-1)
 683                 {
 684                         bool testFailed = false;
 685                         ctx.beginSection("A compile time or link error is generated if the maximum number of invocations in a single local work group (product of the three dimensions) is greater than GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS.");
 686
 687                         ctx.getLog() << program;
 688                         testFailed = (program.getProgramInfo().linkOk) && (program.getShaderInfo(glu::SHADERTYPE_COMPUTE).compileOk);
 689
 690                         if (testFailed)
 691                         {
 692                                 const char* const message("Program was not expected to compile or link.");
 693                                 ctx.getLog() << tcu::TestLog::Message << message << tcu::TestLog::EndMessage;
 694                                 ctx.fail(message);
 695                         }
 696                 }
 697                 else
 698                 {
 699                         ctx.beginSection("A compile time error is generated if the fixed local group size of the shader in any dimension is greater than the maximum supported.");
 700                         verifyCompileError(ctx, program, glu::SHADERTYPE_COMPUTE);
 701                 }
 702
 703                 ctx.endSection();
 704         }
 705 }
 706
 707 void invalid_layout_qualifiers (NegativeTestContext& ctx)
 708 {
 709         const bool                              isES32                  = glu::contextSupports(ctx.getRenderContext().getType(), glu::ApiType::es(3, 2));
 710         const char* const               shaderVersion   = isES32
 711                                                                                         ? getGLSLVersionDeclaration(glu::GLSL_VERSION_320_ES)
 712                                                                                         : getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES);
 713
 714         {
 715                 std::ostringstream compShaderSource;
 716                 compShaderSource        <<      shaderVersion << "\n"
 717                                                         <<      "void main (void)\n"
 718                                                         <<      "{\n"
 719                                                         <<      "}\n";
 720
 721                 const glu::ComputeSource        compSource(compShaderSource.str());
 722                 glu::ShaderProgram                      program(ctx.getRenderContext(), glu::ProgramSources() << compSource);
 723
 724                 ctx.beginSection("A link error is generated if the compute shader program does not contain an input layout qualifier specifying a fixed local group size.");
 725                 verifyLinkError(ctx, program);
 726                 ctx.endSection();
 727         }
 728
 729         {
 730                 std::ostringstream compShaderSource;
 731                 compShaderSource        <<      shaderVersion << "\n"
 732                                                         <<      "layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;\n"
 733                                                         <<      "layout(local_size_x = 2, local_size_y = 2, local_size_z = 2) in;\n"
 734                                                         <<      "void main (void)\n"
 735                                                         <<      "{\n"
 736                                                         <<      "}\n";
 737
 738                 const glu::ComputeSource        compSource(compShaderSource.str());
 739                 glu::ShaderProgram                      program(ctx.getRenderContext(), glu::ProgramSources() << compSource);
 740
 741                 ctx.beginSection("A compile-time error is generated if a local work group size qualifier is declared more than once in the same shader.");
 742                 verifyCompileError(ctx, program, glu::SHADERTYPE_COMPUTE);
 743                 ctx.endSection();
 744         }
 745
 746         {
 747                 std::ostringstream compShaderSource;
 748                 compShaderSource        <<      shaderVersion << "\n"
 749                                                         <<      "out mediump vec4 fragColor;\n"
 750                                                         <<      "\n"
 751                                                         <<      "layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;\n"
 752                                                         <<      "void main (void)\n"
 753                                                         <<      "{\n"
 754                                                         <<      "}\n";
 755
 756                 const glu::ComputeSource        compSource(compShaderSource.str());
 757                 glu::ShaderProgram                      program(ctx.getRenderContext(), glu::ProgramSources() << compSource);
 758
 759                 ctx.beginSection("A compile-time error is generated if a user defined output variable is declared in a compute shader.");
 760                 verifyCompileError(ctx, program, glu::SHADERTYPE_COMPUTE);
 761                 ctx.endSection();
 762         }
 763
 764         {
 765                 std::ostringstream compShaderSource;
 766                 compShaderSource        <<      shaderVersion << "\n"
 767                                                         <<      "uvec3 gl_NumWorkGroups;\n"
 768                                                         <<      "uvec3 gl_WorkGroupSize;\n"
 769                                                         <<      "uvec3 gl_WorkGroupID;\n"
 770                                                         <<      "uvec3 gl_LocalInvocationID;\n"
 771                                                         <<      "uvec3 gl_GlobalInvocationID;\n"
 772                                                         <<      "uvec3 gl_LocalInvocationIndex;\n"
 773                                                         <<      "\n"
 774                                                         <<      "layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;\n"
 775                                                         <<      "void main (void)\n"
 776                                                         <<      "{\n"
 777                                                         <<      "}\n";
 778
 779                 const glu::ComputeSource        compSource(compShaderSource.str());
 780                 glu::ShaderProgram                      program(ctx.getRenderContext(), glu::ProgramSources() << compSource);
 781
 782                 ctx.beginSection("A compile time or link error is generated if compute shader built-in variables are redeclared.");
 783                 bool testFailed = false;
 784
 785                 tcu::TestLog& log = ctx.getLog();
 786                 log << program;
 787
 788                 testFailed = (program.getProgramInfo().linkOk) && (program.getShaderInfo(glu::SHADERTYPE_COMPUTE).compileOk);
 789
 790                 if (testFailed)
 791                 {
 792                         const char* const message("Program was not expected to compile or link.");
 793                         log << tcu::TestLog::Message << message << tcu::TestLog::EndMessage;
 794                         ctx.fail(message);
 795                 }
 796
 797                 ctx.endSection();
 798         }
 799 }
 800
 801 void invalid_write_built_in_constants (NegativeTestContext& ctx)
 802 {
 803         if ((!ctx.isExtensionSupported("GL_EXT_tessellation_shader") && !ctx.isExtensionSupported("GL_OES_tessellation_shader")) ||
 804             (!ctx.isExtensionSupported("GL_EXT_geometry_shader") && !ctx.isExtensionSupported("GL_OES_geometry_shader")))
 805         {
 806                 TCU_THROW(NotSupportedError, "tessellation and geometry shader extensions not supported");
 807         }
 808
 809         const bool                                      isES32                  = glu::contextSupports(ctx.getRenderContext().getType(), glu::ApiType::es(3, 2));
 810         map<string, string>                     args;
 811
 812         args["GLSL_VERSION_STRING"]                                     =       isES32 ? getGLSLVersionDeclaration(glu::GLSL_VERSION_320_ES) : getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES);
 813         args["GLSL_TESS_EXTENSION_STRING"]                      =       isES32 ? "" : "#extension GL_EXT_tessellation_shader : require";
 814         args["COMPUTE_BUILT_IN_CONSTANTS_STRING"]       =       "       gl_MaxComputeWorkGroupCount       = ivec3(65535, 65535, 65535);\n"
 815                                                                                                         "       gl_MaxComputeWorkGroupCount       = ivec3(1024, 1024, 64);\n"
 816                                                                                                         "       gl_MaxComputeWorkGroupSize        = ivec3(512);\n"
 817                                                                                                         "       gl_MaxComputeUniformComponents    = 512;\n"
 818                                                                                                         "       gl_MaxComputeTextureImageUnits    = 16;\n"
 819                                                                                                         "       gl_MaxComputeImageUniforms        = 8;\n"
 820                                                                                                         "       gl_MaxComputeAtomicCounters       = 8;\n"
 821                                                                                                         "       gl_MaxComputeAtomicCounterBuffers = 1;\n";
 822
 823         const glu::VertexSource                                 vertSource              (tcu::StringTemplate(genBuiltInSource(glu::SHADERTYPE_VERTEX)).specialize(args));
 824         const glu::FragmentSource                               fragSource              (tcu::StringTemplate(genBuiltInSource(glu::SHADERTYPE_FRAGMENT)).specialize(args));
 825         const glu::TessellationControlSource    tessCtrlSource  (tcu::StringTemplate(genBuiltInSource(glu::SHADERTYPE_TESSELLATION_CONTROL)).specialize(args));
 826         const glu::TessellationEvaluationSource tessEvalSource  (tcu::StringTemplate(genBuiltInSource(glu::SHADERTYPE_TESSELLATION_EVALUATION)).specialize(args));
 827         const glu::GeometrySource                               geometrySource  (tcu::StringTemplate(genBuiltInSource(glu::SHADERTYPE_GEOMETRY)).specialize(args));
 828         const glu::ComputeSource                                computeSource   (tcu::StringTemplate(genBuiltInSource(glu::SHADERTYPE_COMPUTE)).specialize(args));
 829
 830         glu::ShaderProgram      vertProgram             (ctx.getRenderContext(), glu::ProgramSources() << glu::ProgramSeparable(true) << vertSource);
 831         glu::ShaderProgram      fragProgram             (ctx.getRenderContext(), glu::ProgramSources() << glu::ProgramSeparable(true) << fragSource);
 832         glu::ShaderProgram      tessCtrlProgram (ctx.getRenderContext(), glu::ProgramSources() << glu::ProgramSeparable(true) << tessCtrlSource);
 833         glu::ShaderProgram      tessEvalProgram (ctx.getRenderContext(), glu::ProgramSources() << glu::ProgramSeparable(true) << tessEvalSource);
 834         glu::ShaderProgram      geometryProgram (ctx.getRenderContext(), glu::ProgramSources() << glu::ProgramSeparable(true) << geometrySource);
 835         glu::ShaderProgram      computeProgram  (ctx.getRenderContext(), glu::ProgramSources() << glu::ProgramSeparable(true) << computeSource);
 836
 837         ctx.beginSection("A compile time is generated if compute built-in constants provided in all shaders are written to.");
 838         verifyCompileError(ctx, vertProgram, glu::SHADERTYPE_VERTEX);
 839         verifyCompileError(ctx, fragProgram, glu::SHADERTYPE_FRAGMENT);
 840         verifyCompileError(ctx, tessCtrlProgram, glu::SHADERTYPE_TESSELLATION_CONTROL);
 841         verifyCompileError(ctx, tessEvalProgram, glu::SHADERTYPE_TESSELLATION_EVALUATION);
 842         verifyCompileError(ctx, geometryProgram, glu::SHADERTYPE_GEOMETRY);
 843         verifyCompileError(ctx, computeProgram, glu::SHADERTYPE_COMPUTE);
 844         ctx.endSection();
 845 }
 846
 847 } // anonymous
 848
 849 std::vector<FunctionContainer> getNegativeComputeTestFunctions (void)
 850 {
 851         const FunctionContainer funcs[] =
 852         {
 853                 { program_not_active,                                   "program_not_active",                                   "Use dispatch commands with no active program"                                                                  },
 854                 { invalid_program_query,                                "invalid_program_query",                                "Querying GL_COMPUTE_WORK_GROUP_SIZE with glGetProgramiv() on invalid programs" },
 855                 { invalid_dispatch_compute_indirect,    "invalid_dispatch_compute_indirect",    "Invalid glDispatchComputeIndirect usage"                                                                               },
 856                 { invalid_maximum_work_group_counts,    "invalid_maximum_work_group_counts",    "Maximum workgroup counts for dispatch commands"                                                                },
 857                 { invalid_maximum_work_group_sizes,             "invalid_maximum_work_group_sizes",             "Maximum local workgroup sizes declared in compute shaders"                                             },
 858                 { invalid_layout_qualifiers,                    "invalid_layout_qualifiers",                    "Invalid layout qualifiers in compute shaders"                                                                  },
 859                 { invalid_write_built_in_constants,             "invalid_write_built_in_constants",             "Invalid writes to built-in compute shader constants"                                                   },
 860                 { exceed_uniform_block_limit,                   "exceed_uniform_block_limit",                   "Link error when shader exceeds GL_MAX_COMPUTE_UNIFORM_BLOCKS"                                  },
 861                 { exceed_shader_storage_block_limit,    "exceed_shader_storage_block_limit",    "Link error when shader exceeds GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS"                   },
 862                 { exceed_texture_image_units_limit,             "exceed_texture_image_units_limit",             "Link error when shader exceeds GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS"                             },
 863                 { exceed_image_uniforms_limit,                  "exceed_image_uniforms_limit",                  "Link error when shader exceeds GL_MAX_COMPUTE_IMAGE_UNIFORMS"                                  },
 864                 { exceed_shared_memory_size_limit,              "exceed_shared_memory_size_limit",              "Link error when shader exceeds GL_MAX_COMPUTE_SHARED_MEMORY_SIZE"                              },
 865                 { exceed_uniform_components_limit,              "exceed_uniform_components_limit",              "Link error when shader exceeds GL_MAX_COMPUTE_UNIFORM_COMPONENTS"                              },
 866                 { exceed_atomic_counter_buffer_limit,   "exceed_atomic_counter_buffer_limit",   "Link error when shader exceeds GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS"                  },
 867                 { exceed_atomic_counters_limit,                 "exceed_atomic_counters_limit",                 "Link error when shader exceeds GL_MAX_COMPUTE_ATOMIC_COUNTERS"                                 },
 868         };
 869
 870         return std::vector<FunctionContainer>(DE_ARRAY_BEGIN(funcs), DE_ARRAY_END(funcs));
 871 }
 872
 873 } // NegativeTestShared
 874 } // Functional
 875 } // gles31
 876 } // deqp