modules/gles3/functional/es3fNegativeVertexArrayApiTests.cpp

   1 /*-------------------------------------------------------------------------
   2  * drawElements Quality Program OpenGL ES 3.0 Module
   3  * -------------------------------------------------
   4  *
   5  * Copyright 2014 The Android Open Source Project
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  *//*!
  20  * \file
  21  * \brief Negative Vertex Array API tests.
  22  *//*--------------------------------------------------------------------*/
  23
  24 #include "es3fNegativeVertexArrayApiTests.hpp"
  25 #include "es3fApiCase.hpp"
  26 #include "gluShaderProgram.hpp"
  27 #include "gluContextInfo.hpp"
  28 #include "deString.h"
  29
  30 #include "glwDefs.hpp"
  31 #include "glwEnums.hpp"
  32
  33 using namespace glw; // GL types
  34
  35 namespace deqp
  36 {
  37 namespace gles3
  38 {
  39 namespace Functional
  40 {
  41
  42 static const char* vertexShaderSource           =       "#version 300 es\n"
  43                                                                                                 "void main (void)\n"
  44                                                                                                 "{\n"
  45                                                                                                 "       gl_Position = vec4(0.0);\n"
  46                                                                                                 "}\n\0";
  47
  48 static const char* fragmentShaderSource         =       "#version 300 es\n"
  49                                                                                                 "layout(location = 0) out mediump vec4 fragColor;"
  50                                                                                                 "void main (void)\n"
  51                                                                                                 "{\n"
  52                                                                                                 "       fragColor = vec4(0.0);\n"
  53                                                                                                 "}\n\0";
  54
  55 using tcu::TestLog;
  56
  57 NegativeVertexArrayApiTests::NegativeVertexArrayApiTests (Context& context)
  58         : TestCaseGroup(context, "vertex_array", "Negative Vertex Array API Cases")
  59 {
  60 }
  61
  62 NegativeVertexArrayApiTests::~NegativeVertexArrayApiTests (void)
  63 {
  64 }
  65
  66 void NegativeVertexArrayApiTests::init (void)
  67 {
  68         ES3F_ADD_API_CASE(vertex_attribf, "Invalid glVertexAttrib{1234}f() usage",
  69                 {
  70                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if index is greater than or equal to GL_MAX_VERTEX_ATTRIBS.");
  71                         int maxVertexAttribs = m_context.getContextInfo().getInt(GL_MAX_VERTEX_ATTRIBS);
  72                         glVertexAttrib1f(maxVertexAttribs, 0.0f);
  73                         expectError(GL_INVALID_VALUE);
  74                         glVertexAttrib2f(maxVertexAttribs, 0.0f, 0.0f);
  75                         expectError(GL_INVALID_VALUE);
  76                         glVertexAttrib3f(maxVertexAttribs, 0.0f, 0.0f, 0.0f);
  77                         expectError(GL_INVALID_VALUE);
  78                         glVertexAttrib4f(maxVertexAttribs, 0.0f, 0.0f, 0.0f, 0.0f);
  79                         expectError(GL_INVALID_VALUE);
  80                         m_log << tcu::TestLog::EndSection;
  81                 });
  82         ES3F_ADD_API_CASE(vertex_attribfv, "Invalid glVertexAttrib{1234}fv() usage",
  83                 {
  84                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if index is greater than or equal to GL_MAX_VERTEX_ATTRIBS.");
  85                         int maxVertexAttribs = m_context.getContextInfo().getInt(GL_MAX_VERTEX_ATTRIBS);
  86                         float v[4] = {0.0f};
  87                         glVertexAttrib1fv(maxVertexAttribs, &v[0]);
  88                         expectError(GL_INVALID_VALUE);
  89                         glVertexAttrib2fv(maxVertexAttribs, &v[0]);
  90                         expectError(GL_INVALID_VALUE);
  91                         glVertexAttrib3fv(maxVertexAttribs, &v[0]);
  92                         expectError(GL_INVALID_VALUE);
  93                         glVertexAttrib4fv(maxVertexAttribs, &v[0]);
  94                         expectError(GL_INVALID_VALUE);
  95                         m_log << tcu::TestLog::EndSection;
  96                 });
  97         ES3F_ADD_API_CASE(vertex_attribi4, "Invalid glVertexAttribI4{i|ui}f() usage",
  98                 {
  99                         int maxVertexAttribs    = m_context.getContextInfo().getInt(GL_MAX_VERTEX_ATTRIBS);
 100                         GLint valInt                    = 0;
 101                         GLuint valUint                  = 0;
 102
 103                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if index is greater than or equal to GL_MAX_VERTEX_ATTRIBS.");
 104                         glVertexAttribI4i(maxVertexAttribs, valInt, valInt, valInt, valInt);
 105                         expectError(GL_INVALID_VALUE);
 106                         glVertexAttribI4ui(maxVertexAttribs, valUint, valUint, valUint, valUint);
 107                         expectError(GL_INVALID_VALUE);
 108                         m_log << tcu::TestLog::EndSection;
 109                 });
 110         ES3F_ADD_API_CASE(vertex_attribi4v, "Invalid glVertexAttribI4{i|ui}fv() usage",
 111                 {
 112                         int maxVertexAttribs    = m_context.getContextInfo().getInt(GL_MAX_VERTEX_ATTRIBS);
 113                         GLint valInt[4]                 = { 0 };
 114                         GLuint valUint[4]               = { 0 };
 115
 116                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if index is greater than or equal to GL_MAX_VERTEX_ATTRIBS.");
 117                         glVertexAttribI4iv(maxVertexAttribs, &valInt[0]);
 118                         expectError(GL_INVALID_VALUE);
 119                         glVertexAttribI4uiv(maxVertexAttribs, &valUint[0]);
 120                         expectError(GL_INVALID_VALUE);
 121                         m_log << tcu::TestLog::EndSection;
 122                 });
 123         ES3F_ADD_API_CASE(vertex_attrib_pointer, "Invalid glVertexAttribPointer() usage",
 124                 {
 125                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if type is not an accepted value.");
 126                         glVertexAttribPointer(0, 1, 0, GL_TRUE, 0, 0);
 127                         expectError(GL_INVALID_ENUM);
 128                         m_log << tcu::TestLog::EndSection;
 129
 130                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if index is greater than or equal to GL_MAX_VERTEX_ATTRIBS.");
 131                         int maxVertexAttribs = m_context.getContextInfo().getInt(GL_MAX_VERTEX_ATTRIBS);
 132                         glVertexAttribPointer(maxVertexAttribs, 1, GL_BYTE, GL_TRUE, 0, 0);
 133                         expectError(GL_INVALID_VALUE);
 134                         m_log << tcu::TestLog::EndSection;
 135
 136                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if size is not 1, 2, 3, or 4.");
 137                         glVertexAttribPointer(0, 0, GL_BYTE, GL_TRUE, 0, 0);
 138                         expectError(GL_INVALID_VALUE);
 139                         m_log << tcu::TestLog::EndSection;
 140
 141                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if stride is negative.");
 142                         glVertexAttribPointer(0, 1, GL_BYTE, GL_TRUE, -1, 0);
 143                         expectError(GL_INVALID_VALUE);
 144                         m_log << tcu::TestLog::EndSection;
 145
 146                         m_log << tcu::TestLog::Section("", "GL_INVALID_OPERATION is generated if type is GL_INT_2_10_10_10_REV or GL_UNSIGNED_INT_2_10_10_10_REV and size is not 4.");
 147                         glVertexAttribPointer(0, 2, GL_INT_2_10_10_10_REV, GL_TRUE, 0, 0);
 148                         expectError(GL_INVALID_OPERATION);
 149                         glVertexAttribPointer(0, 2, GL_UNSIGNED_INT_2_10_10_10_REV, GL_TRUE, 0, 0);
 150                         expectError(GL_INVALID_OPERATION);
 151                         glVertexAttribPointer(0, 4, GL_INT_2_10_10_10_REV, GL_TRUE, 0, 0);
 152                         expectError(GL_NO_ERROR);
 153                         glVertexAttribPointer(0, 4, GL_UNSIGNED_INT_2_10_10_10_REV, GL_TRUE, 0, 0);
 154                         expectError(GL_NO_ERROR);
 155                         m_log << tcu::TestLog::EndSection;
 156
 157                         m_log << tcu::TestLog::Section("", "GL_INVALID_OPERATION is generated a non-zero vertex array object is bound, zero is bound to the GL_ARRAY_BUFFER buffer object binding point and the pointer argument is not NULL.");
 158                         GLuint vao;
 159                         GLbyte offset = 1;
 160                         glGenVertexArrays(1, &vao);
 161                         glBindVertexArray(vao);
 162                         glBindBuffer(GL_ARRAY_BUFFER, 0);
 163                         expectError(GL_NO_ERROR);
 164
 165                         glVertexAttribPointer(0, 1, GL_BYTE, GL_TRUE, 0, &offset);
 166                         expectError(GL_INVALID_OPERATION);
 167
 168                         glBindVertexArray(0);
 169                         glDeleteVertexArrays(1, &vao);
 170                         expectError(GL_NO_ERROR);
 171                         m_log << tcu::TestLog::EndSection;
 172                 });
 173         ES3F_ADD_API_CASE(vertex_attrib_i_pointer, "Invalid glVertexAttribPointer() usage",
 174                 {
 175                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if type is not an accepted value.");
 176                         glVertexAttribIPointer(0, 1, 0, 0, 0);
 177                         expectError(GL_INVALID_ENUM);
 178                         glVertexAttribIPointer(0, 4, GL_INT_2_10_10_10_REV, 0, 0);
 179                         expectError(GL_INVALID_ENUM);
 180                         glVertexAttribIPointer(0, 4, GL_UNSIGNED_INT_2_10_10_10_REV, 0, 0);
 181                         expectError(GL_INVALID_ENUM);
 182                         m_log << tcu::TestLog::EndSection;
 183
 184                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if index is greater than or equal to GL_MAX_VERTEX_ATTRIBS.");
 185                         int maxVertexAttribs = m_context.getContextInfo().getInt(GL_MAX_VERTEX_ATTRIBS);
 186                         glVertexAttribIPointer(maxVertexAttribs, 1, GL_BYTE, 0, 0);
 187                         expectError(GL_INVALID_VALUE);
 188                         m_log << tcu::TestLog::EndSection;
 189
 190                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if size is not 1, 2, 3, or 4.");
 191                         glVertexAttribIPointer(0, 0, GL_BYTE, 0, 0);
 192                         expectError(GL_INVALID_VALUE);
 193                         m_log << tcu::TestLog::EndSection;
 194
 195                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if stride is negative.");
 196                         glVertexAttribIPointer(0, 1, GL_BYTE, -1, 0);
 197                         expectError(GL_INVALID_VALUE);
 198                         m_log << tcu::TestLog::EndSection;
 199
 200                         m_log << tcu::TestLog::Section("", "GL_INVALID_OPERATION is generated a non-zero vertex array object is bound, zero is bound to the GL_ARRAY_BUFFER buffer object binding point and the pointer argument is not NULL.");
 201                         GLuint vao;
 202                         GLbyte offset = 1;
 203                         glGenVertexArrays(1, &vao);
 204                         glBindVertexArray(vao);
 205                         glBindBuffer(GL_ARRAY_BUFFER, 0);
 206                         expectError(GL_NO_ERROR);
 207
 208                         glVertexAttribIPointer(0, 1, GL_BYTE, 0, &offset);
 209                         expectError(GL_INVALID_OPERATION);
 210
 211                         glBindVertexArray(0);
 212                         glDeleteVertexArrays(1, &vao);
 213                         expectError(GL_NO_ERROR);
 214                         m_log << tcu::TestLog::EndSection;
 215                 });
 216         ES3F_ADD_API_CASE(enable_vertex_attrib_array, "Invalid glEnableVertexAttribArray() usage",
 217                 {
 218                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if index is greater than or equal to GL_MAX_VERTEX_ATTRIBS.");
 219                         int maxVertexAttribs = m_context.getContextInfo().getInt(GL_MAX_VERTEX_ATTRIBS);
 220                         glEnableVertexAttribArray(maxVertexAttribs);
 221                         expectError(GL_INVALID_VALUE);
 222                         m_log << tcu::TestLog::EndSection;
 223                 });
 224         ES3F_ADD_API_CASE(disable_vertex_attrib_array, "Invalid glDisableVertexAttribArray() usage",
 225                 {
 226                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if index is greater than or equal to GL_MAX_VERTEX_ATTRIBS.");
 227                         int maxVertexAttribs = m_context.getContextInfo().getInt(GL_MAX_VERTEX_ATTRIBS);
 228                         glDisableVertexAttribArray(maxVertexAttribs);
 229                         expectError(GL_INVALID_VALUE);
 230                         m_log << tcu::TestLog::EndSection;
 231                 });
 232         ES3F_ADD_API_CASE(gen_vertex_arrays, "Invalid glGenVertexArrays() usage",
 233                 {
 234                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if n is negative.");
 235                         GLuint arrays;
 236                         glGenVertexArrays(-1, &arrays);
 237                         expectError(GL_INVALID_VALUE);
 238                         m_log << tcu::TestLog::EndSection;
 239                 });
 240         ES3F_ADD_API_CASE(bind_vertex_array, "Invalid glBindVertexArray() usage",
 241                 {
 242                         m_log << tcu::TestLog::Section("", "GL_INVALID_OPERATION is generated if array is not zero or the name of an existing vertex array object.");
 243                         glBindVertexArray(-1);
 244                         expectError(GL_INVALID_OPERATION);
 245                         m_log << tcu::TestLog::EndSection;
 246                 });
 247         ES3F_ADD_API_CASE(delete_vertex_arrays, "Invalid glDeleteVertexArrays() usage",
 248                 {
 249                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if n is negative.");
 250                         glDeleteVertexArrays(-1, 0);
 251                         expectError(GL_INVALID_VALUE);
 252                         m_log << tcu::TestLog::EndSection;
 253                 });
 254         ES3F_ADD_API_CASE(vertex_attrib_divisor, "Invalid glVertexAttribDivisor() usage",
 255                 {
 256                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if index is greater than or equal to GL_MAX_VERTEX_ATTRIBS.");
 257                         int maxVertexAttribs = m_context.getContextInfo().getInt(GL_MAX_VERTEX_ATTRIBS);
 258                         glVertexAttribDivisor(maxVertexAttribs, 0);
 259                         expectError(GL_INVALID_VALUE);
 260                         m_log << tcu::TestLog::EndSection;
 261                 });
 262         ES3F_ADD_API_CASE(draw_arrays, "Invalid glDrawArrays() usage",
 263                 {
 264                         glu::ShaderProgram program(m_context.getRenderContext(), glu::makeVtxFragSources(vertexShaderSource, fragmentShaderSource));
 265                         glUseProgram(program.getProgram());
 266                         GLuint fbo;
 267
 268                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if mode is not an accepted value.");
 269                         glDrawArrays(-1, 0, 1);
 270                         expectError(GL_INVALID_ENUM);
 271                         m_log << tcu::TestLog::EndSection;
 272
 273                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if count is negative.");
 274                         glDrawArrays(GL_POINTS, 0, -1);
 275                         expectError(GL_INVALID_VALUE);
 276                         m_log << tcu::TestLog::EndSection;
 277
 278                         m_log << tcu::TestLog::Section("", "GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
 279                         glGenFramebuffers(1, &fbo);
 280                         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 281                         glCheckFramebufferStatus(GL_FRAMEBUFFER);
 282                         glDrawArrays(GL_POINTS, 0, 1);
 283                         expectError(GL_INVALID_FRAMEBUFFER_OPERATION);
 284                         glBindFramebuffer(GL_FRAMEBUFFER, 0);
 285                         glDeleteFramebuffers(1, &fbo);
 286                         m_log << tcu::TestLog::EndSection;
 287
 288                         glUseProgram(0);
 289                 });
 290         ES3F_ADD_API_CASE(draw_arrays_invalid_program, "Invalid glDrawArrays() usage",
 291                 {
 292                         glUseProgram(0);
 293                         GLuint fbo;
 294
 295                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if mode is not an accepted value.");
 296                         glDrawArrays(-1, 0, 1);
 297                         expectError(GL_INVALID_ENUM);
 298                         m_log << tcu::TestLog::EndSection;
 299
 300                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if count is negative.");
 301                         glDrawArrays(GL_POINTS, 0, -1);
 302                         expectError(GL_INVALID_VALUE);
 303                         m_log << tcu::TestLog::EndSection;
 304
 305                         m_log << tcu::TestLog::Section("", "GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
 306                         glGenFramebuffers(1, &fbo);
 307                         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 308                         glCheckFramebufferStatus(GL_FRAMEBUFFER);
 309                         glDrawArrays(GL_POINTS, 0, 1);
 310                         expectError(GL_INVALID_FRAMEBUFFER_OPERATION);
 311                         glBindFramebuffer(GL_FRAMEBUFFER, 0);
 312                         glDeleteFramebuffers(1, &fbo);
 313                         m_log << tcu::TestLog::EndSection;
 314                 });
 315         ES3F_ADD_API_CASE(draw_arrays_incomplete_primitive, "Invalid glDrawArrays() usage",
 316                 {
 317                         glu::ShaderProgram program(m_context.getRenderContext(), glu::makeVtxFragSources(vertexShaderSource, fragmentShaderSource));
 318                         glUseProgram(program.getProgram());
 319                         GLuint fbo;
 320
 321                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if mode is not an accepted value.");
 322                         glDrawArrays(-1, 0, 1);
 323                         expectError(GL_INVALID_ENUM);
 324                         m_log << tcu::TestLog::EndSection;
 325
 326                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if count is negative.");
 327                         glDrawArrays(GL_TRIANGLES, 0, -1);
 328                         expectError(GL_INVALID_VALUE);
 329                         m_log << tcu::TestLog::EndSection;
 330
 331                         m_log << tcu::TestLog::Section("", "GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
 332                         glGenFramebuffers(1, &fbo);
 333                         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 334                         glCheckFramebufferStatus(GL_FRAMEBUFFER);
 335                         glDrawArrays(GL_TRIANGLES, 0, 1);
 336                         expectError(GL_INVALID_FRAMEBUFFER_OPERATION);
 337                         glBindFramebuffer(GL_FRAMEBUFFER, 0);
 338                         glDeleteFramebuffers(1, &fbo);
 339                         m_log << tcu::TestLog::EndSection;
 340
 341                         glUseProgram(0);
 342                 });
 343         ES3F_ADD_API_CASE(draw_elements, "Invalid glDrawElements() usage",
 344                 {
 345                         glu::ShaderProgram program(m_context.getRenderContext(), glu::makeVtxFragSources(vertexShaderSource, fragmentShaderSource));
 346                         glUseProgram(program.getProgram());
 347                         GLuint fbo;
 348                         GLuint buf;
 349                         GLuint tfID;
 350                         GLfloat vertices[1];
 351
 352                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if mode is not an accepted value.");
 353                         glDrawElements(-1, 1, GL_UNSIGNED_BYTE, vertices);
 354                         expectError(GL_INVALID_ENUM);
 355                         m_log << tcu::TestLog::EndSection;
 356
 357                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if type is not one of the accepted values.");
 358                         glDrawElements(GL_POINTS, 1, -1, vertices);
 359                         expectError(GL_INVALID_ENUM);
 360                         glDrawElements(GL_POINTS, 1, GL_FLOAT, vertices);
 361                         expectError(GL_INVALID_ENUM);
 362                         m_log << tcu::TestLog::EndSection;
 363
 364                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if count is negative.");
 365                         glDrawElements(GL_POINTS, -1, GL_UNSIGNED_BYTE, vertices);
 366                         expectError(GL_INVALID_VALUE);
 367                         m_log << tcu::TestLog::EndSection;
 368
 369                         m_log << tcu::TestLog::Section("", "GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
 370                         glGenFramebuffers(1, &fbo);
 371                         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 372                         glCheckFramebufferStatus(GL_FRAMEBUFFER);
 373                         glDrawElements(GL_POINTS, 1, GL_UNSIGNED_BYTE, vertices);
 374                         expectError(GL_INVALID_FRAMEBUFFER_OPERATION);
 375                         glBindFramebuffer(GL_FRAMEBUFFER, 0);
 376                         glDeleteFramebuffers(1, &fbo);
 377                         m_log << tcu::TestLog::EndSection;
 378
 379                         if (!m_context.getContextInfo().isExtensionSupported("GL_EXT_geometry_shader")) // GL_EXT_geometry_shader removes error
 380                         {
 381                                 m_log << tcu::TestLog::Section("", "GL_INVALID_OPERATION is generated if transform feedback is active and not paused.");
 382                                 const char* tfVarying           = "gl_Position";
 383
 384                                 glGenBuffers                            (1, &buf);
 385                                 glGenTransformFeedbacks         (1, &tfID);
 386
 387                                 glUseProgram                            (program.getProgram());
 388                                 glTransformFeedbackVaryings     (program.getProgram(), 1, &tfVarying, GL_INTERLEAVED_ATTRIBS);
 389                                 glLinkProgram                           (program.getProgram());
 390                                 glBindTransformFeedback         (GL_TRANSFORM_FEEDBACK, tfID);
 391                                 glBindBuffer                            (GL_TRANSFORM_FEEDBACK_BUFFER, buf);
 392                                 glBufferData                            (GL_TRANSFORM_FEEDBACK_BUFFER, 32, DE_NULL, GL_DYNAMIC_DRAW);
 393                                 glBindBufferBase                        (GL_TRANSFORM_FEEDBACK_BUFFER, 0, buf);
 394                                 glBeginTransformFeedback        (GL_POINTS);
 395                                 expectError                                     (GL_NO_ERROR);
 396
 397                                 glDrawElements                          (GL_POINTS, 1, GL_UNSIGNED_BYTE, vertices);
 398                                 expectError                                     (GL_INVALID_OPERATION);
 399
 400                                 glPauseTransformFeedback();
 401                                 glDrawElements                          (GL_POINTS, 1, GL_UNSIGNED_BYTE, vertices);
 402                                 expectError                                     (GL_NO_ERROR);
 403
 404                                 glEndTransformFeedback          ();
 405                                 glDeleteBuffers                         (1, &buf);
 406                                 glDeleteTransformFeedbacks      (1, &tfID);
 407                                 expectError                                     (GL_NO_ERROR);
 408                                 m_log << tcu::TestLog::EndSection;
 409                         }
 410
 411                         glUseProgram(0);
 412                 });
 413         ES3F_ADD_API_CASE(draw_elements_invalid_program, "Invalid glDrawElements() usage",
 414                 {
 415                         glUseProgram(0);
 416                         GLuint fbo;
 417                         GLfloat vertices[1];
 418
 419                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if mode is not an accepted value.");
 420                         glDrawElements(-1, 1, GL_UNSIGNED_BYTE, vertices);
 421                         expectError(GL_INVALID_ENUM);
 422                         m_log << tcu::TestLog::EndSection;
 423
 424                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if type is not one of the accepted values.");
 425                         glDrawElements(GL_POINTS, 1, -1, vertices);
 426                         expectError(GL_INVALID_ENUM);
 427                         glDrawElements(GL_POINTS, 1, GL_FLOAT, vertices);
 428                         expectError(GL_INVALID_ENUM);
 429                         m_log << tcu::TestLog::EndSection;
 430
 431                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if count is negative.");
 432                         glDrawElements(GL_POINTS, -1, GL_UNSIGNED_BYTE, vertices);
 433                         expectError(GL_INVALID_VALUE);
 434                         m_log << tcu::TestLog::EndSection;
 435
 436                         m_log << tcu::TestLog::Section("", "GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
 437                         glGenFramebuffers(1, &fbo);
 438                         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 439                         glCheckFramebufferStatus(GL_FRAMEBUFFER);
 440                         glDrawElements(GL_POINTS, 1, GL_UNSIGNED_BYTE, vertices);
 441                         expectError(GL_INVALID_FRAMEBUFFER_OPERATION);
 442                         glBindFramebuffer(GL_FRAMEBUFFER, 0);
 443                         glDeleteFramebuffers(1, &fbo);
 444                         m_log << tcu::TestLog::EndSection;
 445                 });
 446         ES3F_ADD_API_CASE(draw_elements_incomplete_primitive, "Invalid glDrawElements() usage",
 447                 {
 448                         glu::ShaderProgram program(m_context.getRenderContext(), glu::makeVtxFragSources(vertexShaderSource, fragmentShaderSource));
 449                         glUseProgram(program.getProgram());
 450                         GLuint fbo;
 451                         GLuint buf;
 452                         GLuint tfID;
 453                         GLfloat vertices[1];
 454
 455                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if mode is not an accepted value.");
 456                         glDrawElements(-1, 1, GL_UNSIGNED_BYTE, vertices);
 457                         expectError(GL_INVALID_ENUM);
 458                         m_log << tcu::TestLog::EndSection;
 459
 460                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if type is not one of the accepted values.");
 461                         glDrawElements(GL_TRIANGLES, 1, -1, vertices);
 462                         expectError(GL_INVALID_ENUM);
 463                         glDrawElements(GL_TRIANGLES, 1, GL_FLOAT, vertices);
 464                         expectError(GL_INVALID_ENUM);
 465                         m_log << tcu::TestLog::EndSection;
 466
 467                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if count is negative.");
 468                         glDrawElements(GL_TRIANGLES, -1, GL_UNSIGNED_BYTE, vertices);
 469                         expectError(GL_INVALID_VALUE);
 470                         m_log << tcu::TestLog::EndSection;
 471
 472                         m_log << tcu::TestLog::Section("", "GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
 473                         glGenFramebuffers(1, &fbo);
 474                         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 475                         glCheckFramebufferStatus(GL_FRAMEBUFFER);
 476                         glDrawElements(GL_TRIANGLES, 1, GL_UNSIGNED_BYTE, vertices);
 477                         expectError(GL_INVALID_FRAMEBUFFER_OPERATION);
 478                         glBindFramebuffer(GL_FRAMEBUFFER, 0);
 479                         glDeleteFramebuffers(1, &fbo);
 480                         m_log << tcu::TestLog::EndSection;
 481
 482                         if (!m_context.getContextInfo().isExtensionSupported("GL_EXT_geometry_shader")) // GL_EXT_geometry_shader removes error
 483                         {
 484                                 m_log << tcu::TestLog::Section("", "GL_INVALID_OPERATION is generated if transform feedback is active and not paused.");
 485                                 const char* tfVarying           = "gl_Position";
 486
 487                                 glGenBuffers                            (1, &buf);
 488                                 glGenTransformFeedbacks         (1, &tfID);
 489
 490                                 glUseProgram                            (program.getProgram());
 491                                 glTransformFeedbackVaryings     (program.getProgram(), 1, &tfVarying, GL_INTERLEAVED_ATTRIBS);
 492                                 glLinkProgram                           (program.getProgram());
 493                                 glBindTransformFeedback         (GL_TRANSFORM_FEEDBACK, tfID);
 494                                 glBindBuffer                            (GL_TRANSFORM_FEEDBACK_BUFFER, buf);
 495                                 glBufferData                            (GL_TRANSFORM_FEEDBACK_BUFFER, 32, DE_NULL, GL_DYNAMIC_DRAW);
 496                                 glBindBufferBase                        (GL_TRANSFORM_FEEDBACK_BUFFER, 0, buf);
 497                                 glBeginTransformFeedback        (GL_TRIANGLES);
 498                                 expectError                                     (GL_NO_ERROR);
 499
 500                                 glDrawElements                          (GL_TRIANGLES, 1, GL_UNSIGNED_BYTE, vertices);
 501                                 expectError                                     (GL_INVALID_OPERATION);
 502
 503                                 glPauseTransformFeedback();
 504                                 glDrawElements                          (GL_TRIANGLES, 1, GL_UNSIGNED_BYTE, vertices);
 505                                 expectError                                     (GL_NO_ERROR);
 506
 507                                 glEndTransformFeedback          ();
 508                                 glDeleteBuffers                         (1, &buf);
 509                                 glDeleteTransformFeedbacks      (1, &tfID);
 510                                 expectError                                     (GL_NO_ERROR);
 511                                 m_log << tcu::TestLog::EndSection;
 512                         }
 513
 514                         glUseProgram(0);
 515                 });
 516         ES3F_ADD_API_CASE(draw_arrays_instanced, "Invalid glDrawArraysInstanced() usage",
 517                 {
 518                         glu::ShaderProgram program(m_context.getRenderContext(), glu::makeVtxFragSources(vertexShaderSource, fragmentShaderSource));
 519                         glUseProgram(program.getProgram());
 520                         GLuint fbo;
 521                         glVertexAttribDivisor(0, 1);
 522                         expectError(GL_NO_ERROR);
 523
 524                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if mode is not an accepted value.");
 525                         glDrawArraysInstanced(-1, 0, 1, 1);
 526                         expectError(GL_INVALID_ENUM);
 527                         m_log << tcu::TestLog::EndSection;
 528
 529                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if count or primcount are negative.");
 530                         glDrawArraysInstanced(GL_POINTS, 0, -1, 1);
 531                         expectError(GL_INVALID_VALUE);
 532                         glDrawArraysInstanced(GL_POINTS, 0, 1, -1);
 533                         expectError(GL_INVALID_VALUE);
 534                         m_log << tcu::TestLog::EndSection;
 535
 536                         m_log << tcu::TestLog::Section("", "GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
 537                         glGenFramebuffers(1, &fbo);
 538                         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 539                         glCheckFramebufferStatus(GL_FRAMEBUFFER);
 540                         glDrawArraysInstanced(GL_POINTS, 0, 1, 1);
 541                         expectError(GL_INVALID_FRAMEBUFFER_OPERATION);
 542                         glBindFramebuffer(GL_FRAMEBUFFER, 0);
 543                         glDeleteFramebuffers(1, &fbo);
 544                         m_log << tcu::TestLog::EndSection;
 545
 546                         glUseProgram(0);
 547                 });
 548         ES3F_ADD_API_CASE(draw_arrays_instanced_invalid_program, "Invalid glDrawArraysInstanced() usage",
 549                 {
 550                         glUseProgram(0);
 551                         GLuint fbo;
 552                         glVertexAttribDivisor(0, 1);
 553                         expectError(GL_NO_ERROR);
 554
 555                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if mode is not an accepted value.");
 556                         glDrawArraysInstanced(-1, 0, 1, 1);
 557                         expectError(GL_INVALID_ENUM);
 558                         m_log << tcu::TestLog::EndSection;
 559
 560                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if count or primcount are negative.");
 561                         glDrawArraysInstanced(GL_POINTS, 0, -1, 1);
 562                         expectError(GL_INVALID_VALUE);
 563                         glDrawArraysInstanced(GL_POINTS, 0, 1, -1);
 564                         expectError(GL_INVALID_VALUE);
 565                         m_log << tcu::TestLog::EndSection;
 566
 567                         m_log << tcu::TestLog::Section("", "GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
 568                         glGenFramebuffers(1, &fbo);
 569                         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 570                         glCheckFramebufferStatus(GL_FRAMEBUFFER);
 571                         glDrawArraysInstanced(GL_POINTS, 0, 1, 1);
 572                         expectError(GL_INVALID_FRAMEBUFFER_OPERATION);
 573                         glBindFramebuffer(GL_FRAMEBUFFER, 0);
 574                         glDeleteFramebuffers(1, &fbo);
 575                         m_log << tcu::TestLog::EndSection;
 576                 });
 577         ES3F_ADD_API_CASE(draw_arrays_instanced_incomplete_primitive, "Invalid glDrawArraysInstanced() usage",
 578                 {
 579                         glu::ShaderProgram program(m_context.getRenderContext(), glu::makeVtxFragSources(vertexShaderSource, fragmentShaderSource));
 580                         glUseProgram(program.getProgram());
 581                         GLuint fbo;
 582                         glVertexAttribDivisor(0, 1);
 583                         expectError(GL_NO_ERROR);
 584
 585                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if mode is not an accepted value.");
 586                         glDrawArraysInstanced(-1, 0, 1, 1);
 587                         expectError(GL_INVALID_ENUM);
 588                         m_log << tcu::TestLog::EndSection;
 589
 590                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if count or primcount are negative.");
 591                         glDrawArraysInstanced(GL_TRIANGLES, 0, -1, 1);
 592                         expectError(GL_INVALID_VALUE);
 593                         glDrawArraysInstanced(GL_TRIANGLES, 0, 1, -1);
 594                         expectError(GL_INVALID_VALUE);
 595                         m_log << tcu::TestLog::EndSection;
 596
 597                         m_log << tcu::TestLog::Section("", "GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
 598                         glGenFramebuffers(1, &fbo);
 599                         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 600                         glCheckFramebufferStatus(GL_FRAMEBUFFER);
 601                         glDrawArraysInstanced(GL_TRIANGLES, 0, 1, 1);
 602                         expectError(GL_INVALID_FRAMEBUFFER_OPERATION);
 603                         glBindFramebuffer(GL_FRAMEBUFFER, 0);
 604                         glDeleteFramebuffers(1, &fbo);
 605                         m_log << tcu::TestLog::EndSection;
 606
 607                         glUseProgram(0);
 608                 });
 609         ES3F_ADD_API_CASE(draw_elements_instanced, "Invalid glDrawElementsInstanced() usage",
 610                 {
 611                         glu::ShaderProgram program(m_context.getRenderContext(), glu::makeVtxFragSources(vertexShaderSource, fragmentShaderSource));
 612                         glUseProgram(program.getProgram());
 613                         GLuint fbo;
 614                         GLuint buf;
 615                         GLuint tfID;
 616                         GLfloat vertices[1];
 617                         glVertexAttribDivisor(0, 1);
 618                         expectError(GL_NO_ERROR);
 619
 620                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if mode is not an accepted value.");
 621                         glDrawElementsInstanced(-1, 1, GL_UNSIGNED_BYTE, vertices, 1);
 622                         expectError(GL_INVALID_ENUM);
 623                         m_log << tcu::TestLog::EndSection;
 624
 625                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if type is not one of the accepted values.");
 626                         glDrawElementsInstanced(GL_POINTS, 1, -1, vertices, 1);
 627                         expectError(GL_INVALID_ENUM);
 628                         glDrawElementsInstanced(GL_POINTS, 1, GL_FLOAT, vertices, 1);
 629                         expectError(GL_INVALID_ENUM);
 630                         m_log << tcu::TestLog::EndSection;
 631
 632                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if count or primcount are negative.");
 633                         glDrawElementsInstanced(GL_POINTS, -1, GL_UNSIGNED_BYTE, vertices, 1);
 634                         expectError(GL_INVALID_VALUE);
 635                         glDrawElementsInstanced(GL_POINTS, 11, GL_UNSIGNED_BYTE, vertices, -1);
 636                         expectError(GL_INVALID_VALUE);
 637                         m_log << tcu::TestLog::EndSection;
 638
 639                         m_log << tcu::TestLog::Section("", "GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
 640                         glGenFramebuffers(1, &fbo);
 641                         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 642                         glCheckFramebufferStatus(GL_FRAMEBUFFER);
 643                         glDrawElementsInstanced(GL_POINTS, 1, GL_UNSIGNED_BYTE, vertices, 1);
 644                         expectError(GL_INVALID_FRAMEBUFFER_OPERATION);
 645                         glBindFramebuffer(GL_FRAMEBUFFER, 0);
 646                         glDeleteFramebuffers(1, &fbo);
 647                         m_log << tcu::TestLog::EndSection;
 648
 649                         if (!m_context.getContextInfo().isExtensionSupported("GL_EXT_geometry_shader")) // GL_EXT_geometry_shader removes error
 650                         {
 651                                 m_log << tcu::TestLog::Section("", "GL_INVALID_OPERATION is generated if transform feedback is active and not paused.");
 652                                 const char* tfVarying           = "gl_Position";
 653
 654                                 glGenBuffers                            (1, &buf);
 655                                 glGenTransformFeedbacks         (1, &tfID);
 656
 657                                 glUseProgram                            (program.getProgram());
 658                                 glTransformFeedbackVaryings     (program.getProgram(), 1, &tfVarying, GL_INTERLEAVED_ATTRIBS);
 659                                 glLinkProgram                           (program.getProgram());
 660                                 glBindTransformFeedback         (GL_TRANSFORM_FEEDBACK, tfID);
 661                                 glBindBuffer                            (GL_TRANSFORM_FEEDBACK_BUFFER, buf);
 662                                 glBufferData                            (GL_TRANSFORM_FEEDBACK_BUFFER, 32, DE_NULL, GL_DYNAMIC_DRAW);
 663                                 glBindBufferBase                        (GL_TRANSFORM_FEEDBACK_BUFFER, 0, buf);
 664                                 glBeginTransformFeedback        (GL_POINTS);
 665                                 expectError                                     (GL_NO_ERROR);
 666
 667                                 glDrawElementsInstanced         (GL_POINTS, 1, GL_UNSIGNED_BYTE, vertices, 1);
 668                                 expectError                                     (GL_INVALID_OPERATION);
 669
 670                                 glPauseTransformFeedback();
 671                                 glDrawElementsInstanced         (GL_POINTS, 1, GL_UNSIGNED_BYTE, vertices, 1);
 672                                 expectError                                     (GL_NO_ERROR);
 673
 674                                 glEndTransformFeedback          ();
 675                                 glDeleteBuffers                         (1, &buf);
 676                                 glDeleteTransformFeedbacks      (1, &tfID);
 677                                 expectError                                     (GL_NO_ERROR);
 678                                 m_log << tcu::TestLog::EndSection;
 679                         }
 680
 681                         glUseProgram(0);
 682                 });
 683         ES3F_ADD_API_CASE(draw_elements_instanced_invalid_program, "Invalid glDrawElementsInstanced() usage",
 684                 {
 685                         glUseProgram(0);
 686                         GLuint fbo;
 687                         GLfloat vertices[1];
 688                         glVertexAttribDivisor(0, 1);
 689                         expectError(GL_NO_ERROR);
 690
 691                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if mode is not an accepted value.");
 692                         glDrawElementsInstanced(-1, 1, GL_UNSIGNED_BYTE, vertices, 1);
 693                         expectError(GL_INVALID_ENUM);
 694                         m_log << tcu::TestLog::EndSection;
 695
 696                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if type is not one of the accepted values.");
 697                         glDrawElementsInstanced(GL_POINTS, 1, -1, vertices, 1);
 698                         expectError(GL_INVALID_ENUM);
 699                         glDrawElementsInstanced(GL_POINTS, 1, GL_FLOAT, vertices, 1);
 700                         expectError(GL_INVALID_ENUM);
 701                         m_log << tcu::TestLog::EndSection;
 702
 703                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if count or primcount are negative.");
 704                         glDrawElementsInstanced(GL_POINTS, -1, GL_UNSIGNED_BYTE, vertices, 1);
 705                         expectError(GL_INVALID_VALUE);
 706                         glDrawElementsInstanced(GL_POINTS, 11, GL_UNSIGNED_BYTE, vertices, -1);
 707                         expectError(GL_INVALID_VALUE);
 708                         m_log << tcu::TestLog::EndSection;
 709
 710                         m_log << tcu::TestLog::Section("", "GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
 711                         glGenFramebuffers(1, &fbo);
 712                         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 713                         glCheckFramebufferStatus(GL_FRAMEBUFFER);
 714                         glDrawElementsInstanced(GL_POINTS, 1, GL_UNSIGNED_BYTE, vertices, 1);
 715                         expectError(GL_INVALID_FRAMEBUFFER_OPERATION);
 716                         glBindFramebuffer(GL_FRAMEBUFFER, 0);
 717                         glDeleteFramebuffers(1, &fbo);
 718                         m_log << tcu::TestLog::EndSection;
 719                 });
 720         ES3F_ADD_API_CASE(draw_elements_instanced_incomplete_primitive, "Invalid glDrawElementsInstanced() usage",
 721                 {
 722                         glu::ShaderProgram program(m_context.getRenderContext(), glu::makeVtxFragSources(vertexShaderSource, fragmentShaderSource));
 723                         glUseProgram(program.getProgram());
 724                         GLuint fbo;
 725                         GLuint buf;
 726                         GLuint tfID;
 727                         GLfloat vertices[1];
 728                         glVertexAttribDivisor(0, 1);
 729                         expectError(GL_NO_ERROR);
 730
 731                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if mode is not an accepted value.");
 732                         glDrawElementsInstanced(-1, 1, GL_UNSIGNED_BYTE, vertices, 1);
 733                         expectError(GL_INVALID_ENUM);
 734                         m_log << tcu::TestLog::EndSection;
 735
 736                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if type is not one of the accepted values.");
 737                         glDrawElementsInstanced(GL_TRIANGLES, 1, -1, vertices, 1);
 738                         expectError(GL_INVALID_ENUM);
 739                         glDrawElementsInstanced(GL_TRIANGLES, 1, GL_FLOAT, vertices, 1);
 740                         expectError(GL_INVALID_ENUM);
 741                         m_log << tcu::TestLog::EndSection;
 742
 743                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if count or primcount are negative.");
 744                         glDrawElementsInstanced(GL_TRIANGLES, -1, GL_UNSIGNED_BYTE, vertices, 1);
 745                         expectError(GL_INVALID_VALUE);
 746                         glDrawElementsInstanced(GL_TRIANGLES, 11, GL_UNSIGNED_BYTE, vertices, -1);
 747                         expectError(GL_INVALID_VALUE);
 748                         m_log << tcu::TestLog::EndSection;
 749
 750                         m_log << tcu::TestLog::Section("", "GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
 751                         glGenFramebuffers(1, &fbo);
 752                         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 753                         glCheckFramebufferStatus(GL_FRAMEBUFFER);
 754                         glDrawElementsInstanced(GL_TRIANGLES, 1, GL_UNSIGNED_BYTE, vertices, 1);
 755                         expectError(GL_INVALID_FRAMEBUFFER_OPERATION);
 756                         glBindFramebuffer(GL_FRAMEBUFFER, 0);
 757                         glDeleteFramebuffers(1, &fbo);
 758                         m_log << tcu::TestLog::EndSection;
 759
 760                         if (!m_context.getContextInfo().isExtensionSupported("GL_EXT_geometry_shader")) // GL_EXT_geometry_shader removes error
 761                         {
 762                                 m_log << tcu::TestLog::Section("", "GL_INVALID_OPERATION is generated if transform feedback is active and not paused.");
 763                                 const char* tfVarying           = "gl_Position";
 764
 765                                 glGenBuffers                            (1, &buf);
 766                                 glGenTransformFeedbacks         (1, &tfID);
 767
 768                                 glUseProgram                            (program.getProgram());
 769                                 glTransformFeedbackVaryings     (program.getProgram(), 1, &tfVarying, GL_INTERLEAVED_ATTRIBS);
 770                                 glLinkProgram                           (program.getProgram());
 771                                 glBindTransformFeedback         (GL_TRANSFORM_FEEDBACK, tfID);
 772                                 glBindBuffer                            (GL_TRANSFORM_FEEDBACK_BUFFER, buf);
 773                                 glBufferData                            (GL_TRANSFORM_FEEDBACK_BUFFER, 32, DE_NULL, GL_DYNAMIC_DRAW);
 774                                 glBindBufferBase                        (GL_TRANSFORM_FEEDBACK_BUFFER, 0, buf);
 775                                 glBeginTransformFeedback        (GL_TRIANGLES);
 776                                 expectError                                     (GL_NO_ERROR);
 777
 778                                 glDrawElementsInstanced         (GL_TRIANGLES, 1, GL_UNSIGNED_BYTE, vertices, 1);
 779                                 expectError                                     (GL_INVALID_OPERATION);
 780
 781                                 glPauseTransformFeedback();
 782                                 glDrawElementsInstanced         (GL_TRIANGLES, 1, GL_UNSIGNED_BYTE, vertices, 1);
 783                                 expectError                                     (GL_NO_ERROR);
 784
 785                                 glEndTransformFeedback          ();
 786                                 glDeleteBuffers                         (1, &buf);
 787                                 glDeleteTransformFeedbacks      (1, &tfID);
 788                                 expectError                                     (GL_NO_ERROR);
 789                                 m_log << tcu::TestLog::EndSection;
 790                         }
 791
 792                         glUseProgram(0);
 793                 });
 794         ES3F_ADD_API_CASE(draw_range_elements, "Invalid glDrawRangeElements() usage",
 795                 {
 796                         glu::ShaderProgram program(m_context.getRenderContext(), glu::makeVtxFragSources(vertexShaderSource, fragmentShaderSource));
 797                         glUseProgram(program.getProgram());
 798                         GLuint fbo;
 799                         GLuint buf;
 800                         GLuint tfID;
 801                         GLfloat vertices[1];
 802
 803                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if mode is not an accepted value.");
 804                         glDrawRangeElements(-1, 0, 1, 1, GL_UNSIGNED_BYTE, vertices);
 805                         expectError(GL_INVALID_ENUM);
 806                         m_log << tcu::TestLog::EndSection;
 807
 808                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if type is not one of the accepted values.");
 809                         glDrawRangeElements(GL_POINTS, 0, 1, 1, -1, vertices);
 810                         expectError(GL_INVALID_ENUM);
 811                         glDrawRangeElements(GL_POINTS, 0, 1, 1, GL_FLOAT, vertices);
 812                         expectError(GL_INVALID_ENUM);
 813                         m_log << tcu::TestLog::EndSection;
 814
 815                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if count is negative.");
 816                         glDrawRangeElements(GL_POINTS, 0, 1, -1, GL_UNSIGNED_BYTE, vertices);
 817                         expectError(GL_INVALID_VALUE);
 818                         m_log << tcu::TestLog::EndSection;
 819
 820                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if end < start.");
 821                         glDrawRangeElements(GL_POINTS, 1, 0, 1, GL_UNSIGNED_BYTE, vertices);
 822                         expectError(GL_INVALID_VALUE);
 823                         m_log << tcu::TestLog::EndSection;
 824
 825                         m_log << tcu::TestLog::Section("", "GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
 826                         glGenFramebuffers(1, &fbo);
 827                         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 828                         glCheckFramebufferStatus(GL_FRAMEBUFFER);
 829                         glDrawRangeElements(GL_POINTS, 0, 1, 1, GL_UNSIGNED_BYTE, vertices);
 830                         expectError(GL_INVALID_FRAMEBUFFER_OPERATION);
 831                         glBindFramebuffer(GL_FRAMEBUFFER, 0);
 832                         glDeleteFramebuffers(1, &fbo);
 833                         m_log << tcu::TestLog::EndSection;
 834
 835                         if (!m_context.getContextInfo().isExtensionSupported("GL_EXT_geometry_shader")) // GL_EXT_geometry_shader removes error
 836                         {
 837                                 m_log << tcu::TestLog::Section("", "GL_INVALID_OPERATION is generated if transform feedback is active and not paused.");
 838                                 const char* tfVarying           = "gl_Position";
 839
 840                                 glGenBuffers                            (1, &buf);
 841                                 glGenTransformFeedbacks         (1, &tfID);
 842
 843                                 glUseProgram                            (program.getProgram());
 844                                 glTransformFeedbackVaryings     (program.getProgram(), 1, &tfVarying, GL_INTERLEAVED_ATTRIBS);
 845                                 glLinkProgram                           (program.getProgram());
 846                                 glBindTransformFeedback         (GL_TRANSFORM_FEEDBACK, tfID);
 847                                 glBindBuffer                            (GL_TRANSFORM_FEEDBACK_BUFFER, buf);
 848                                 glBufferData                            (GL_TRANSFORM_FEEDBACK_BUFFER, 32, DE_NULL, GL_DYNAMIC_DRAW);
 849                                 glBindBufferBase                        (GL_TRANSFORM_FEEDBACK_BUFFER, 0, buf);
 850                                 glBeginTransformFeedback        (GL_POINTS);
 851                                 expectError                                     (GL_NO_ERROR);
 852
 853                                 glDrawRangeElements                     (GL_POINTS, 0, 1, 1, GL_UNSIGNED_BYTE, vertices);
 854                                 expectError                                     (GL_INVALID_OPERATION);
 855
 856                                 glPauseTransformFeedback();
 857                                 glDrawRangeElements                     (GL_POINTS, 0, 1, 1, GL_UNSIGNED_BYTE, vertices);
 858                                 expectError                                     (GL_NO_ERROR);
 859
 860                                 glEndTransformFeedback          ();
 861                                 glDeleteBuffers                         (1, &buf);
 862                                 glDeleteTransformFeedbacks      (1, &tfID);
 863                                 expectError                                     (GL_NO_ERROR);
 864                                 m_log << tcu::TestLog::EndSection;
 865                         }
 866
 867                         glUseProgram(0);
 868                 });
 869         ES3F_ADD_API_CASE(draw_range_elements_invalid_program, "Invalid glDrawRangeElements() usage",
 870                 {
 871                         glUseProgram(0);
 872                         GLuint fbo;
 873                         GLfloat vertices[1];
 874
 875                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if mode is not an accepted value.");
 876                         glDrawRangeElements(-1, 0, 1, 1, GL_UNSIGNED_BYTE, vertices);
 877                         expectError(GL_INVALID_ENUM);
 878                         m_log << tcu::TestLog::EndSection;
 879
 880                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if type is not one of the accepted values.");
 881                         glDrawRangeElements(GL_POINTS, 0, 1, 1, -1, vertices);
 882                         expectError(GL_INVALID_ENUM);
 883                         glDrawRangeElements(GL_POINTS, 0, 1, 1, GL_FLOAT, vertices);
 884                         expectError(GL_INVALID_ENUM);
 885                         m_log << tcu::TestLog::EndSection;
 886
 887                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if count is negative.");
 888                         glDrawRangeElements(GL_POINTS, 0, 1, -1, GL_UNSIGNED_BYTE, vertices);
 889                         expectError(GL_INVALID_VALUE);
 890                         m_log << tcu::TestLog::EndSection;
 891
 892                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if end < start.");
 893                         glDrawRangeElements(GL_POINTS, 1, 0, 1, GL_UNSIGNED_BYTE, vertices);
 894                         expectError(GL_INVALID_VALUE);
 895                         m_log << tcu::TestLog::EndSection;
 896
 897                         m_log << tcu::TestLog::Section("", "GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
 898                         glGenFramebuffers(1, &fbo);
 899                         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 900                         glCheckFramebufferStatus(GL_FRAMEBUFFER);
 901                         glDrawRangeElements(GL_POINTS, 0, 1, 1, GL_UNSIGNED_BYTE, vertices);
 902                         expectError(GL_INVALID_FRAMEBUFFER_OPERATION);
 903                         glBindFramebuffer(GL_FRAMEBUFFER, 0);
 904                         glDeleteFramebuffers(1, &fbo);
 905                         m_log << tcu::TestLog::EndSection;
 906                 });
 907         ES3F_ADD_API_CASE(draw_range_elements_incomplete_primitive, "Invalid glDrawRangeElements() usage",
 908                 {
 909                         glu::ShaderProgram program(m_context.getRenderContext(), glu::makeVtxFragSources(vertexShaderSource, fragmentShaderSource));
 910                         glUseProgram(program.getProgram());
 911                         GLuint fbo;
 912                         GLuint buf;
 913                         GLuint tfID;
 914                         GLfloat vertices[1];
 915
 916                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if mode is not an accepted value.");
 917                         glDrawRangeElements(-1, 0, 1, 1, GL_UNSIGNED_BYTE, vertices);
 918                         expectError(GL_INVALID_ENUM);
 919                         m_log << tcu::TestLog::EndSection;
 920
 921                         m_log << tcu::TestLog::Section("", "GL_INVALID_ENUM is generated if type is not one of the accepted values.");
 922                         glDrawRangeElements(GL_TRIANGLES, 0, 1, 1, -1, vertices);
 923                         expectError(GL_INVALID_ENUM);
 924                         glDrawRangeElements(GL_TRIANGLES, 0, 1, 1, GL_FLOAT, vertices);
 925                         expectError(GL_INVALID_ENUM);
 926                         m_log << tcu::TestLog::EndSection;
 927
 928                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if count is negative.");
 929                         glDrawRangeElements(GL_TRIANGLES, 0, 1, -1, GL_UNSIGNED_BYTE, vertices);
 930                         expectError(GL_INVALID_VALUE);
 931                         m_log << tcu::TestLog::EndSection;
 932
 933                         m_log << tcu::TestLog::Section("", "GL_INVALID_VALUE is generated if end < start.");
 934                         glDrawRangeElements(GL_TRIANGLES, 1, 0, 1, GL_UNSIGNED_BYTE, vertices);
 935                         expectError(GL_INVALID_VALUE);
 936                         m_log << tcu::TestLog::EndSection;
 937
 938                         m_log << tcu::TestLog::Section("", "GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
 939                         glGenFramebuffers(1, &fbo);
 940                         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 941                         glCheckFramebufferStatus(GL_FRAMEBUFFER);
 942                         glDrawRangeElements(GL_TRIANGLES, 0, 1, 1, GL_UNSIGNED_BYTE, vertices);
 943                         expectError(GL_INVALID_FRAMEBUFFER_OPERATION);
 944                         glBindFramebuffer(GL_FRAMEBUFFER, 0);
 945                         glDeleteFramebuffers(1, &fbo);
 946                         m_log << tcu::TestLog::EndSection;
 947
 948                         if (!m_context.getContextInfo().isExtensionSupported("GL_EXT_geometry_shader")) // GL_EXT_geometry_shader removes error
 949                         {
 950                                 m_log << tcu::TestLog::Section("", "GL_INVALID_OPERATION is generated if transform feedback is active and not paused.");
 951                                 const char* tfVarying           = "gl_Position";
 952
 953                                 glGenBuffers                            (1, &buf);
 954                                 glGenTransformFeedbacks         (1, &tfID);
 955
 956                                 glUseProgram                            (program.getProgram());
 957                                 glTransformFeedbackVaryings     (program.getProgram(), 1, &tfVarying, GL_INTERLEAVED_ATTRIBS);
 958                                 glLinkProgram                           (program.getProgram());
 959                                 glBindTransformFeedback         (GL_TRANSFORM_FEEDBACK, tfID);
 960                                 glBindBuffer                            (GL_TRANSFORM_FEEDBACK_BUFFER, buf);
 961                                 glBufferData                            (GL_TRANSFORM_FEEDBACK_BUFFER, 32, DE_NULL, GL_DYNAMIC_DRAW);
 962                                 glBindBufferBase                        (GL_TRANSFORM_FEEDBACK_BUFFER, 0, buf);
 963                                 glBeginTransformFeedback        (GL_TRIANGLES);
 964                                 expectError                                     (GL_NO_ERROR);
 965
 966                                 glDrawRangeElements                     (GL_TRIANGLES, 0, 1, 1, GL_UNSIGNED_BYTE, vertices);
 967                                 expectError                                     (GL_INVALID_OPERATION);
 968
 969                                 glPauseTransformFeedback();
 970                                 glDrawRangeElements                     (GL_TRIANGLES, 0, 1, 1, GL_UNSIGNED_BYTE, vertices);
 971                                 expectError                                     (GL_NO_ERROR);
 972
 973                                 glEndTransformFeedback          ();
 974                                 glDeleteBuffers                         (1, &buf);
 975                                 glDeleteTransformFeedbacks      (1, &tfID);
 976                                 expectError                                     (GL_NO_ERROR);
 977                                 m_log << tcu::TestLog::EndSection;
 978                         }
 979
 980                         glUseProgram(0);
 981                 });
 982 }
 983
 984 } // Functional
 985 } // gles3
 986 } // deqp