tor-browser

es3fShaderApiTests.js (23780B)

---

/*-------------------------------------------------------------------------
* drawElements Quality Program OpenGL ES Utilities
* ------------------------------------------------
*
* Copyright 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/

'use strict';
goog.provide('functional.gles3.es3fShaderApiTests');
goog.require('framework.common.tcuTestCase');
goog.require('framework.delibs.debase.deRandom');
goog.require('framework.delibs.debase.deString');
goog.require('framework.opengl.gluShaderProgram');
goog.require('functional.gles3.es3fApiCase');

goog.scope(function() {
var es3fShaderApiTests = functional.gles3.es3fShaderApiTests;
var tcuTestCase = framework.common.tcuTestCase;
var es3fApiCase = functional.gles3.es3fApiCase;
var gluShaderProgram = framework.opengl.gluShaderProgram;
var deRandom = framework.delibs.debase.deRandom;
var deString = framework.delibs.debase.deString;

/** @type {WebGL2RenderingContext} */ var gl;

var setParentClass = function(child, parent) {
   child.prototype = Object.create(parent.prototype);
   child.prototype.constructor = child;
};

var getSimpleShaderSource = function(shaderType) {
   var simpleVertexShaderSource =
       '#version 300 es\n' +
       'void main (void)\n' +
       '{\n' +
       ' gl_Position = vec4(0.0);\n' +
       '}\n';

   var simpleFragmentShaderSource =
       '#version 300 es\n' +
       'layout(location = 0) out mediump vec4 o_fragColor;\n' +
       'void main (void)\n' +
       '{\n' +
       ' o_fragColor = vec4(0.0);\n' +
       '}\n';

   switch (shaderType) {
       case gluShaderProgram.shaderType.VERTEX:
           return simpleVertexShaderSource;
       case gluShaderProgram.shaderType.FRAGMENT:
           return simpleFragmentShaderSource;
       default:
           throw new Error('Invalid shader type');
   }
};

/**
* @constructor
* @extends {es3fApiCase.ApiCase}
* @param {string} name
* @param {string} description
* @param {gluShaderProgram.shaderType} shaderType
*/
es3fShaderApiTests.CreateShaderCase = function(name, description, shaderType) {
   es3fApiCase.ApiCase.call(this, name, description, gl);
   this.m_shaderType = shaderType;
};

setParentClass(es3fShaderApiTests.CreateShaderCase, es3fApiCase.ApiCase);

es3fShaderApiTests.CreateShaderCase.prototype.test = function() {
   var shaderObject = gl.createShader(gluShaderProgram.getGLShaderType(gl, this.m_shaderType));
   this.check(shaderObject != null);
   gl.deleteShader(shaderObject);
};

/**
* @constructor
* @extends {es3fApiCase.ApiCase}
* @param {string} name
* @param {string} description
* @param {gluShaderProgram.shaderType} shaderType
*/
es3fShaderApiTests.CompileShaderCase = function(name, description, shaderType) {
   es3fApiCase.ApiCase.call(this, name, description, gl);
   this.m_shaderType = shaderType;
};

setParentClass(es3fShaderApiTests.CompileShaderCase, es3fApiCase.ApiCase);

es3fShaderApiTests.CompileShaderCase.prototype.checkCompileStatus = function(shader) {
   var status = /** @type {boolean} */ (gl.getShaderParameter(shader, gl.COMPILE_STATUS));
   return status;
};

es3fShaderApiTests.CompileShaderCase.prototype.test = function() {
   var shaderObject = gl.createShader(gluShaderProgram.getGLShaderType(gl, this.m_shaderType));
   var shaderSource = getSimpleShaderSource(this.m_shaderType);

   this.check(shaderObject != null);

   gl.shaderSource(shaderObject, shaderSource);
   gl.compileShader(shaderObject);

   this.check(this.checkCompileStatus(shaderObject));

   gl.deleteShader(shaderObject);
};

/**
* @constructor
* @extends {es3fApiCase.ApiCase}
* @param {string} name
* @param {string} description
* @param {gluShaderProgram.shaderType} shaderType
*/
es3fShaderApiTests.ShaderSourceReplaceCase = function(name, description, shaderType) {
   es3fApiCase.ApiCase.call(this, name, description, gl);
   this.m_shaderType = shaderType;
};

setParentClass(es3fShaderApiTests.ShaderSourceReplaceCase, es3fApiCase.ApiCase);

es3fShaderApiTests.ShaderSourceReplaceCase.prototype.generateFirstSource = function() {
   return getSimpleShaderSource(this.m_shaderType);
};

es3fShaderApiTests.ShaderSourceReplaceCase.prototype.generateSecondSource = function() {
   var source = '#version 300 es\n' +
                'precision mediump float;\n';

   if (this.m_shaderType == gluShaderProgram.shaderType.FRAGMENT)
       source += 'layout(location = 0) out mediump vec4 o_fragColor;\n';

   source += 'void main()\n'+
           '{\n'+
           ' float variable = 1.0f;\n';

   if (this.m_shaderType == gluShaderProgram.shaderType.VERTEX) source += ' gl_Position = vec4(variable);\n';
   else if (this.m_shaderType == gluShaderProgram.shaderType.FRAGMENT) source += ' o_fragColor = vec4(variable);\n';

   source += '}\n';

   return source;
};

es3fShaderApiTests.ShaderSourceReplaceCase.prototype.test = function() {
   var shaderObject = gl.createShader(gluShaderProgram.getGLShaderType(gl, this.m_shaderType));
   var firstSource = this.generateFirstSource();
   var secondSource = this.generateSecondSource();

   this.check(shaderObject != null);

   gl.shaderSource(shaderObject, firstSource);
   this.check(firstSource == gl.getShaderSource(shaderObject));

   gl.shaderSource(shaderObject, secondSource);
   this.check(secondSource == gl.getShaderSource(shaderObject));

   gl.deleteShader(shaderObject);
};

/**
* @constructor
*/
es3fShaderApiTests.SourceGenerator = function() {};

/**
* @param {gluShaderProgram.shaderType} shaderType
* @return {string}
*/
es3fShaderApiTests.SourceGenerator.prototype.next = function(shaderType) {
   throw new Error('Virtual function. Please override');
};

/**
* @param {gluShaderProgram.shaderType} shaderType
* @return {boolean}
*/
es3fShaderApiTests.SourceGenerator.prototype.finished = function(shaderType) {
   throw new Error('Virtual function. Please override');
};

/**
* @constructor
* @extends {es3fShaderApiTests.SourceGenerator}
*/
es3fShaderApiTests.ConstantShaderGenerator = function(rnd) {
   es3fShaderApiTests.SourceGenerator.call(this);
   this.m_rnd = rnd;
};

setParentClass(es3fShaderApiTests.ConstantShaderGenerator, es3fShaderApiTests.SourceGenerator);

es3fShaderApiTests.SourceGenerator.prototype.next = function(shaderType) {
   var value = this.m_rnd.getFloat(0.0, 1.0);
   var outputName = (shaderType == gluShaderProgram.shaderType.VERTEX) ? 'gl_Position' : 'o_fragColor';

   var out = '#version 300 es\n';

   if (shaderType == gluShaderProgram.shaderType.FRAGMENT)
       out += 'layout(location = 0) out mediump vec4 o_fragColor;\n';

   out += 'void main (void)\n';
   out += '{\n';
   out += ' ' + outputName + ' = vec4(' + value + ');\n';
   out += '}\n';

   return out;
};

es3fShaderApiTests.SourceGenerator.prototype.finished = function(shaderType) {
   return false;
};

// Shader allocation utility

/**
* @constructor
* @param {es3fShaderApiTests.SourceGenerator} generator
*/
es3fShaderApiTests.ShaderAllocator = function(generator) {
   this.m_srcGen = generator;
   this.m_shaders = {};
};

/**
* @param {gluShaderProgram.shaderType} shaderType
*/
es3fShaderApiTests.ShaderAllocator.prototype.createShader = function(shaderType) {
   var shader = new gluShaderProgram.Shader(gl, shaderType);
   this.m_shaders[shaderType] = shader;
   this.setSource(shaderType);
   return shader;
};

/**
* @param {gluShaderProgram.shaderType} shaderType
*/
es3fShaderApiTests.ShaderAllocator.prototype.deleteShader = function(shaderType) {
   this.m_shaders[shaderType].destroy();
   this.m_shaders[shaderType] = null;
};

/**
* @param {gluShaderProgram.shaderType} shaderType
*/
es3fShaderApiTests.ShaderAllocator.prototype.setSource = function(shaderType) {
   var source = this.m_srcGen.next(shaderType);
   this.m_shaders[shaderType].setSources(source);
};

/**
* @param {gluShaderProgram.shaderType} shaderType
*/
es3fShaderApiTests.ShaderAllocator.prototype.get = function(shaderType) {
   return this.m_shaders[shaderType];
};

// Base class for simple program API tests

/**
* @constructor
* @extends {es3fApiCase.ApiCase}
* @param {string} name
* @param {string} description
*/
es3fShaderApiTests.SimpleProgramCase = function(name, description) {
   es3fApiCase.ApiCase.call(this, name, description, gl);
   this.m_vertShader = null;
   this.m_fragShader = null;
   this.m_program = null;
};

setParentClass(es3fShaderApiTests.SimpleProgramCase, es3fApiCase.ApiCase);

es3fShaderApiTests.SimpleProgramCase.prototype.compileShaders = function() {
   var vertSource = getSimpleShaderSource(gluShaderProgram.shaderType.VERTEX);
   var fragSource = getSimpleShaderSource(gluShaderProgram.shaderType.FRAGMENT);

   var vertShader = gl.createShader(gl.VERTEX_SHADER);
   var fragShader = gl.createShader(gl.FRAGMENT_SHADER);

   this.check(vertShader != null);
   this.check(fragShader != null);

   gl.shaderSource(vertShader, vertSource);
   gl.compileShader(vertShader);

   gl.shaderSource(fragShader, fragSource);
   gl.compileShader(fragShader);

   this.m_vertShader = vertShader;
   this.m_fragShader = fragShader;
};

es3fShaderApiTests.SimpleProgramCase.prototype.linkProgram = function() {
   var program = gl.createProgram();

   this.check(program != null);

   gl.attachShader(program, this.m_vertShader);
   gl.attachShader(program, this.m_fragShader);

   gl.linkProgram(program);

   this.m_program = program;
};

es3fShaderApiTests.SimpleProgramCase.prototype.cleanup = function() {
   gl.deleteShader(this.m_vertShader);
   gl.deleteShader(this.m_fragShader);
   gl.deleteProgram(this.m_program);
};

/**
* @constructor
* @extends {es3fShaderApiTests.SimpleProgramCase}
* @param {string} name
* @param {string} description
*/
es3fShaderApiTests.DeleteShaderCase = function(name, description) {
   es3fShaderApiTests.SimpleProgramCase.call(this, name, description);
};

setParentClass(es3fShaderApiTests.DeleteShaderCase, es3fShaderApiTests.SimpleProgramCase);

es3fShaderApiTests.DeleteShaderCase.prototype.checkDeleteStatus = function(shader) {
   var status = /** @type {boolean} */ (gl.getShaderParameter(shader, gl.DELETE_STATUS));
   return status;
};

es3fShaderApiTests.DeleteShaderCase.prototype.deleteShaders = function() {
   gl.deleteShader(this.m_vertShader);
   gl.deleteShader(this.m_fragShader);
};

es3fShaderApiTests.DeleteShaderCase.prototype.test = function() {
   this.compileShaders();
   this.linkProgram();

   this.deleteShaders();

   this.check(this.checkDeleteStatus(this.m_vertShader) && this.checkDeleteStatus(this.m_fragShader));

   gl.deleteProgram(this.m_program);

   this.check(!(gl.isShader(this.m_vertShader) || gl.isShader(this.m_fragShader)));
};

/**
* @constructor
* @extends {es3fShaderApiTests.SimpleProgramCase}
* @param {string} name
* @param {string} description
*/
es3fShaderApiTests.LinkVertexFragmentCase = function(name, description) {
   es3fShaderApiTests.SimpleProgramCase.call(this, name, description);
};

setParentClass(es3fShaderApiTests.LinkVertexFragmentCase, es3fShaderApiTests.SimpleProgramCase);

es3fShaderApiTests.LinkVertexFragmentCase.prototype.checkLinkStatus = function(program) {
   var status = /** @type {boolean} */ (gl.getProgramParameter(program, gl.LINK_STATUS));
   return status;
};

es3fShaderApiTests.LinkVertexFragmentCase.prototype.test = function() {
   this.compileShaders();
   this.linkProgram();

   this.check(this.checkLinkStatus(this.m_program), 'Fail, expected LINK_STATUS to be TRUE.');

   this.cleanup();
};

// Base class for program state persistence cases

/**
* @constructor
* @extends {es3fApiCase.ApiCase}
* @param {string} name
* @param {string} description
* @param {gluShaderProgram.shaderType} shaderType
*/
es3fShaderApiTests.ProgramStateCase = function(name, description, shaderType) {
   es3fApiCase.ApiCase.call(this, name, description, gl);
   this.m_shaderType = shaderType;
   this.m_rnd = new deRandom.Random(deString.deStringHash(name) ^ 0x713de0ca);
};

setParentClass(es3fShaderApiTests.ProgramStateCase, es3fApiCase.ApiCase);

/**
* @param {gluShaderProgram.Program} program
* @param {es3fShaderApiTests.ShaderAllocator} shaders
*/
es3fShaderApiTests.ProgramStateCase.prototype.buildProgram = function(program, shaders) {
   var vertShader = shaders.createShader(gluShaderProgram.shaderType.VERTEX);
   var fragShader = shaders.createShader(gluShaderProgram.shaderType.FRAGMENT);

   vertShader.compile();
   fragShader.compile();

   program.attachShader(vertShader.getShader());
   program.attachShader(fragShader.getShader());
   program.link();
};

/**
* @param {gluShaderProgram.Program} program
* @param {gluShaderProgram.ProgramInfo} reference
*/
es3fShaderApiTests.ProgramStateCase.prototype.verify = function(program, reference) {
   var programInfo = program.getInfo();
   this.check(programInfo.linkOk, 'Fail, link status may only change as a result of linking');

   this.check(programInfo.linkTimeUs == reference.linkTimeUs, 'Fail, reported link time changed.');

   this.check(programInfo.infoLog == reference.infoLog, 'Fail, program infolog changed.');
};

es3fShaderApiTests.ProgramStateCase.prototype.test = function() {
   var sourceGen = new es3fShaderApiTests.ConstantShaderGenerator(this.m_rnd);

   var shaders = new es3fShaderApiTests.ShaderAllocator(sourceGen);
   var program = new gluShaderProgram.Program(gl);

   this.buildProgram(program, shaders);

   if (program.getLinkStatus()) {
       var programInfo = program.getInfo();

       this.executeForProgram(program, shaders);

       this.verify(program, programInfo);

   } else{
       this.check(false, "Fail, couldn't link program.");
   }

};

/**
* @constructor
* @extends {es3fShaderApiTests.ProgramStateCase}
* @param {string} name
* @param {string} description
* @param {gluShaderProgram.shaderType} shaderType
*/
es3fShaderApiTests.ProgramStateDetachShaderCase = function(name, description, shaderType) {
   es3fShaderApiTests.ProgramStateCase.call(this, name, description, shaderType);
};

setParentClass(es3fShaderApiTests.ProgramStateDetachShaderCase, es3fShaderApiTests.ProgramStateCase);

es3fShaderApiTests.ProgramStateDetachShaderCase.prototype.executeForProgram = function(program, shaders) {
   var caseShader = shaders.get(this.m_shaderType);
   program.detachShader(caseShader.getShader());
};

/**
* @constructor
* @extends {es3fShaderApiTests.ProgramStateCase}
* @param {string} name
* @param {string} description
* @param {gluShaderProgram.shaderType} shaderType
*/
es3fShaderApiTests.ProgramStateReattachShaderCase = function(name, description, shaderType) {
   es3fShaderApiTests.ProgramStateCase.call(this, name, description, shaderType);
};

setParentClass(es3fShaderApiTests.ProgramStateReattachShaderCase, es3fShaderApiTests.ProgramStateCase);

es3fShaderApiTests.ProgramStateReattachShaderCase.prototype.executeForProgram = function(program, shaders) {
   var caseShader = shaders.get(this.m_shaderType);
   program.detachShader(caseShader.getShader());
   program.attachShader(caseShader.getShader());
};

/**
* @constructor
* @extends {es3fShaderApiTests.ProgramStateCase}
* @param {string} name
* @param {string} description
* @param {gluShaderProgram.shaderType} shaderType
*/
es3fShaderApiTests.ProgramStateDeleteShaderCase = function(name, description, shaderType) {
   es3fShaderApiTests.ProgramStateCase.call(this, name, description, shaderType);
};

setParentClass(es3fShaderApiTests.ProgramStateDeleteShaderCase, es3fShaderApiTests.ProgramStateCase);

es3fShaderApiTests.ProgramStateDeleteShaderCase.prototype.executeForProgram = function(program, shaders) {
   var caseShader = shaders.get(this.m_shaderType);
   program.detachShader(caseShader.getShader());
   shaders.deleteShader(this.m_shaderType);
};

/**
* @constructor
* @extends {es3fShaderApiTests.ProgramStateCase}
* @param {string} name
* @param {string} description
* @param {gluShaderProgram.shaderType} shaderType
*/
es3fShaderApiTests.ProgramStateReplaceShaderCase = function(name, description, shaderType) {
   es3fShaderApiTests.ProgramStateCase.call(this, name, description, shaderType);
};

setParentClass(es3fShaderApiTests.ProgramStateReplaceShaderCase, es3fShaderApiTests.ProgramStateCase);

es3fShaderApiTests.ProgramStateReplaceShaderCase.prototype.executeForProgram = function(program, shaders) {
   var caseShader = shaders.get(this.m_shaderType);
   program.detachShader(caseShader.getShader());
   shaders.deleteShader(this.m_shaderType);
   program.attachShader(shaders.createShader(this.m_shaderType).getShader());
};

/**
* @constructor
* @extends {es3fShaderApiTests.ProgramStateCase}
* @param {string} name
* @param {string} description
* @param {gluShaderProgram.shaderType} shaderType
*/
es3fShaderApiTests.ProgramStateRecompileShaderCase = function(name, description, shaderType) {
   es3fShaderApiTests.ProgramStateCase.call(this, name, description, shaderType);
};

setParentClass(es3fShaderApiTests.ProgramStateRecompileShaderCase, es3fShaderApiTests.ProgramStateCase);

es3fShaderApiTests.ProgramStateRecompileShaderCase.prototype.executeForProgram = function(program, shaders) {
   var caseShader = shaders.get(this.m_shaderType);
   caseShader.compile();
};

/**
* @constructor
* @extends {es3fShaderApiTests.ProgramStateCase}
* @param {string} name
* @param {string} description
* @param {gluShaderProgram.shaderType} shaderType
*/
es3fShaderApiTests.ProgramStateReplaceSourceCase = function(name, description, shaderType) {
   es3fShaderApiTests.ProgramStateCase.call(this, name, description, shaderType);
};

setParentClass(es3fShaderApiTests.ProgramStateReplaceSourceCase, es3fShaderApiTests.ProgramStateCase);

es3fShaderApiTests.ProgramStateReplaceSourceCase.prototype.executeForProgram = function(program, shaders) {
   var caseShader = shaders.get(this.m_shaderType);
   shaders.setSource(this.m_shaderType);
   caseShader.compile();
};

/**
* @constructor
* @extends {tcuTestCase.DeqpTest}
*/
es3fShaderApiTests.ShaderApiTests = function() {
   tcuTestCase.DeqpTest.call(this, 'shader_api', 'Shader API Cases');
};

es3fShaderApiTests.ShaderApiTests.prototype = Object.create(tcuTestCase.DeqpTest.prototype);
es3fShaderApiTests.ShaderApiTests.prototype.constructor = es3fShaderApiTests.ShaderApiTests;

es3fShaderApiTests.ShaderApiTests.prototype.init = function() {
   // create and delete shaders
   var createDeleteGroup = new tcuTestCase.DeqpTest('create_delete', 'glCreateShader() tests');
   this.addChild(createDeleteGroup);

   createDeleteGroup.addChild(new es3fShaderApiTests.CreateShaderCase('create_vertex_shader', 'Create vertex shader object', gluShaderProgram.shaderType.VERTEX));
   createDeleteGroup.addChild(new es3fShaderApiTests.CreateShaderCase('create_fragment_shader', 'Create fragment shader object', gluShaderProgram.shaderType.FRAGMENT));

   createDeleteGroup.addChild(new es3fShaderApiTests.DeleteShaderCase('delete_vertex_fragment', 'Delete vertex shader and fragment shader'));

   // compile and link
   var compileLinkGroup = new tcuTestCase.DeqpTest('compile_link', 'Compile and link tests');
   this.addChild(compileLinkGroup);

   compileLinkGroup.addChild(new es3fShaderApiTests.CompileShaderCase('compile_vertex_shader', 'Compile vertex shader', gluShaderProgram.shaderType.VERTEX));
   compileLinkGroup.addChild(new es3fShaderApiTests.CompileShaderCase('compile_fragment_shader', 'Compile fragment shader', gluShaderProgram.shaderType.FRAGMENT));

   compileLinkGroup.addChild(new es3fShaderApiTests.LinkVertexFragmentCase('link_vertex_fragment', 'Link vertex and fragment shaders'));

   // shader source
   var shaderSourceGroup = new tcuTestCase.DeqpTest('shader_source', 'glShaderSource() tests');
   this.addChild(shaderSourceGroup);
   shaderSourceGroup.addChild(new es3fShaderApiTests.ShaderSourceReplaceCase('replace_source_vertex', 'Replace source code of vertex shader', gluShaderProgram.shaderType.VERTEX));
   shaderSourceGroup.addChild(new es3fShaderApiTests.ShaderSourceReplaceCase('replace_source_fragment', 'Replace source code of fragment shader', gluShaderProgram.shaderType.FRAGMENT));

   // link status and infolog
   var linkStatusGroup = new tcuTestCase.DeqpTest('program_state', 'Program state persistence tests');
   this.addChild(linkStatusGroup);

   linkStatusGroup.addChild(new es3fShaderApiTests.ProgramStateDetachShaderCase('detach_shader_vertex', 'detach vertex shader', gluShaderProgram.shaderType.VERTEX));
   linkStatusGroup.addChild(new es3fShaderApiTests.ProgramStateReattachShaderCase('reattach_shader_vertex', 'reattach vertex shader', gluShaderProgram.shaderType.VERTEX));
   linkStatusGroup.addChild(new es3fShaderApiTests.ProgramStateDeleteShaderCase('delete_shader_vertex', 'delete vertex shader', gluShaderProgram.shaderType.VERTEX));
   linkStatusGroup.addChild(new es3fShaderApiTests.ProgramStateReplaceShaderCase('replace_shader_vertex', 'replace vertex shader object', gluShaderProgram.shaderType.VERTEX));
   linkStatusGroup.addChild(new es3fShaderApiTests.ProgramStateRecompileShaderCase('recompile_shader_vertex', 'recompile vertex shader', gluShaderProgram.shaderType.VERTEX));
   linkStatusGroup.addChild(new es3fShaderApiTests.ProgramStateReplaceSourceCase('replace_source_vertex', 'replace vertex shader source', gluShaderProgram.shaderType.VERTEX));

   linkStatusGroup.addChild(new es3fShaderApiTests.ProgramStateDetachShaderCase('detach_shader_fragment', 'detach fragment shader', gluShaderProgram.shaderType.FRAGMENT));
   linkStatusGroup.addChild(new es3fShaderApiTests.ProgramStateReattachShaderCase('reattach_shader_fragment', 'reattach fragment shader', gluShaderProgram.shaderType.FRAGMENT));
   linkStatusGroup.addChild(new es3fShaderApiTests.ProgramStateDeleteShaderCase('delete_shader_fragment', 'delete fragment shader', gluShaderProgram.shaderType.FRAGMENT));
   linkStatusGroup.addChild(new es3fShaderApiTests.ProgramStateReplaceShaderCase('replace_shader_fragment', 'replace fragment shader object', gluShaderProgram.shaderType.FRAGMENT));
   linkStatusGroup.addChild(new es3fShaderApiTests.ProgramStateRecompileShaderCase('recompile_shader_fragment', 'recompile fragment shader', gluShaderProgram.shaderType.FRAGMENT));
   linkStatusGroup.addChild(new es3fShaderApiTests.ProgramStateReplaceSourceCase('replace_source_fragment', 'replace fragment shader source', gluShaderProgram.shaderType.FRAGMENT));

};

/**
* Run test
* @param {WebGL2RenderingContext} context
*/
es3fShaderApiTests.run = function(context) {
   gl = context;
   //Set up Test Root parameters
   var state = tcuTestCase.runner;
   state.setRoot(new es3fShaderApiTests.ShaderApiTests());

   //Set up name and description of this test series.
   setCurrentTestName(state.testCases.fullName());
   description(state.testCases.getDescription());

   try {
       //Run test cases
       tcuTestCase.runTestCases();
   }
   catch (err) {
       testFailedOptions('Failed to es3fShaderApiTests.run tests', false);
       tcuTestCase.runner.terminate();
   }
};

});