dom/canvas/test/webgl-conf/checkout/deqp/functional/gles3/es3fRasterizerDiscardTests.js

   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 Rasterizer discard tests.
  22  *//*--------------------------------------------------------------------*/
  23
  24 goog.provide('functional.gles3.es3fRasterizerDiscardTests');
  25 goog.require('framework.common.tcuLogImage');
  26 goog.require('framework.common.tcuSurface');
  27 goog.require('framework.common.tcuTestCase');
  28 goog.require('framework.delibs.debase.deRandom');
  29 goog.require('framework.delibs.debase.deString');
  30 goog.require('framework.opengl.gluDrawUtil');
  31 goog.require('framework.opengl.gluShaderProgram');
  32
  33 goog.scope(function() {
  34 var es3fRasterizerDiscardTests = functional.gles3.es3fRasterizerDiscardTests;
  35 var deString = framework.delibs.debase.deString;
  36 var tcuTestCase = framework.common.tcuTestCase;
  37 var deRandom = framework.delibs.debase.deRandom;
  38 var gluShaderProgram = framework.opengl.gluShaderProgram;
  39 var tcuSurface = framework.common.tcuSurface;
  40 var gluDrawUtil = framework.opengl.gluDrawUtil;
  41 var tcuLogImage = framework.common.tcuLogImage;
  42
  43 /** @const */ var NUM_CASE_ITERATIONS = 1;
  44 /** @const */ var FAIL_COLOR_RED = [1, 0, 0.0, 1];
  45 /** @const */ var PASS_COLOR_BLUE = [0, 0, 0.5, 1];
  46 /** @const */ var BLACK_COLOR = [0, 0, 0.0, 1];
  47 /** @const */ var FAIL_DEPTH = 0;
  48 /** @const */ var FAIL_STENCIL = 1;
  49 /** @const */ var UNIT_SQUARE = [
  50      1, 1, 0.05, 1,
  51      1, -1, 0.05, 1,
  52     -1, 1, 0.05, 1,
  53     -1, -1, 0.05, 1
  54 ];
  55
  56 /** @type {WebGL2RenderingContext} */ var gl;
  57
  58 /**
  59  * @enum
  60  */
  61 es3fRasterizerDiscardTests.CaseType = {
  62     WRITE_DEPTH: 0,
  63     WRITE_STENCIL: 1,
  64     CLEAR_COLOR: 2,
  65     CLEAR_DEPTH: 3,
  66     CLEAR_STENCIL: 4
  67 };
  68
  69 /**
  70  * @enum {{useFBO: boolean, useScissor: boolean}}
  71  */
  72 es3fRasterizerDiscardTests.CaseOptions = {
  73     FBO: {useFBO: true, useScissor: false},
  74     SCISSOR: {useFBO: false, useScissor: true}
  75 };
  76
  77 /**
  78  * @constructor
  79  * @extends {tcuTestCase.DeqpTest}
  80  * @param {string} name
  81  * @param {string} description
  82  * @param {number} numPrimitives
  83  * @param {es3fRasterizerDiscardTests.CaseType} caseType
  84  * @param {?es3fRasterizerDiscardTests.CaseOptions} caseOptions
  85  * @param {gluDrawUtil.primitiveType=} drawMode
  86  */
  87 es3fRasterizerDiscardTests.RasterizerDiscardCase = function(name, description, numPrimitives, caseType, caseOptions, drawMode) {
  88     tcuTestCase.DeqpTest.call(this, name, description);
  89     this.m_numPrimitives = numPrimitives;
  90     this.m_caseType = caseType;
  91     this.m_caseOptions = caseOptions || {useFBO: false, useScissor: false};
  92     this.m_drawMode = drawMode || gluDrawUtil.primitiveType.TRIANGLES;
  93     this.m_program = null;
  94     this.m_fbo = null;
  95     this.m_colorBuf = null;
  96     this.m_depthStencilBuf = null;
  97     this.m_iterNdx = 0;
  98     this.m_rnd = new deRandom.Random(deString.deStringHash(name));
  99 };
 100
 101 es3fRasterizerDiscardTests.RasterizerDiscardCase.prototype = Object.create(tcuTestCase.DeqpTest.prototype);
 102 es3fRasterizerDiscardTests.RasterizerDiscardCase.prototype.constructor = es3fRasterizerDiscardTests.RasterizerDiscardCase;
 103
 104 /**
 105  * @param {number} numPrimitives
 106  * @param {deRandom.Random} rnd
 107  * @param {gluDrawUtil.primitiveType} drawMode
 108  * @return {Array<number>}
 109  */
 110 es3fRasterizerDiscardTests.generateVertices = function(numPrimitives, rnd, drawMode) {
 111     var dst = [];
 112     var numVertices;
 113
 114     switch (drawMode) {
 115         case gl.POINTS: numVertices = numPrimitives; break;
 116         case gl.LINES: numVertices = 2 * numPrimitives; break;
 117         case gl.LINE_STRIP: numVertices = numPrimitives + 1; break;
 118         case gl.LINE_LOOP: numVertices = numPrimitives + 2; break;
 119         case gl.TRIANGLES: numVertices = 3 * numPrimitives; break;
 120         case gl.TRIANGLE_STRIP: numVertices = numPrimitives + 2; break;
 121         case gl.TRIANGLE_FAN: numVertices = numPrimitives + 2; break;
 122         default:
 123             throw new Error('Invalid drawMode: ' + drawMode);
 124     }
 125
 126     for (var i = 0; i < numVertices; i++) {
 127         dst[i * 4] = rnd.getFloat(-1.0, 1.0); // x
 128         dst[i * 4 + 1] = rnd.getFloat(-1.0, 1.0); // y
 129         dst[i * 4 + 2] = rnd.getFloat(0.1, 0.9); // z
 130         dst[i * 4 + 3] = 1.0; // w
 131     }
 132
 133     return dst;
 134 };
 135
 136 es3fRasterizerDiscardTests.RasterizerDiscardCase.prototype.setupFramebufferObject = function() {
 137     var width = gl.drawingBufferWidth;
 138     var height = gl.drawingBufferHeight;
 139
 140     // Create framebuffer object
 141
 142     this.m_fbo = gl.createFramebuffer();
 143     this.m_colorBuf = gl.createTexture();
 144     this.m_depthStencilBuf = gl.createRenderbuffer();
 145
 146     // Create color texture
 147
 148     gl.bindTexture(gl.TEXTURE_2D, this.m_colorBuf);
 149     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
 150     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
 151     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
 152     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
 153     gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA8, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
 154
 155     // Create depth and stencil buffers
 156
 157     gl.bindRenderbuffer(gl.RENDERBUFFER, this.m_depthStencilBuf);
 158     gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH24_STENCIL8, width, height);
 159
 160     // Attach texture and buffers to FBO
 161
 162     gl.bindFramebuffer(gl.FRAMEBUFFER, this.m_fbo);
 163     gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, this.m_colorBuf, 0);
 164     gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.RENDERBUFFER, this.m_depthStencilBuf);
 165     gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.STENCIL_ATTACHMENT, gl.RENDERBUFFER, this.m_depthStencilBuf);
 166
 167     var fboStatus = gl.checkFramebufferStatus(gl.FRAMEBUFFER);
 168
 169     if (fboStatus == gl.FRAMEBUFFER_UNSUPPORTED)
 170         throw new Error('Framebuffer unsupported');
 171     else if (fboStatus != gl.FRAMEBUFFER_COMPLETE)
 172         throw new Error('Failed to create framebuffer object: ' + deString.enumToString(gl, fboStatus));
 173 };
 174
 175 es3fRasterizerDiscardTests.RasterizerDiscardCase.prototype.deleteFramebufferObject = function() {
 176     gl.deleteTexture(this.m_colorBuf);
 177     gl.deleteRenderbuffer(this.m_depthStencilBuf);
 178     gl.deleteFramebuffer(this.m_fbo);
 179 };
 180
 181 es3fRasterizerDiscardTests.RasterizerDiscardCase.prototype.init = function() {
 182     var vertShaderSource =
 183                 '#version 300 es\n' +
 184                 'layout(location = 0) in mediump vec4 a_position;\n' +
 185                 '\n' +
 186                 'void main (void)\n' +
 187                 '{\n' +
 188                 ' gl_Position = a_position;\n' +
 189                 '}\n';
 190
 191     var fragShaderSource =
 192                 '#version 300 es\n' +
 193                 'layout(location = 0) out mediump vec4 dEQP_FragColor;\n' +
 194                 'uniform mediump vec4 u_color;\n' +
 195                 '\n' +
 196                 'void main (void)\n' +
 197                 '{\n' +
 198                 ' mediump float depth_gradient = gl_FragCoord.z;\n' +
 199                 ' mediump float bias = 0.1;\n' +
 200                 ' dEQP_FragColor = vec4(u_color.xyz * (depth_gradient + bias), 1.0);\n' +
 201                 '}\n';
 202
 203     this.m_program = new gluShaderProgram.ShaderProgram(gl, gluShaderProgram.makeVtxFragSources(vertShaderSource, fragShaderSource));
 204
 205     if (!this.m_program.isOk()) {
 206         bufferedLogToConsole(this.m_program);
 207         testFailedOptions('Failed to compile shader program', true);
 208     }
 209 };
 210
 211 es3fRasterizerDiscardTests.RasterizerDiscardCase.prototype.deinit = function() {
 212     this.deleteFramebufferObject();
 213     this.m_program = null;
 214 };
 215
 216 es3fRasterizerDiscardTests.RasterizerDiscardCase.prototype.iterate = function() {
 217     var program = this.m_program.getProgram();
 218     var colorUnif = gl.getUniformLocation(program, 'u_color');
 219     var failColorFound = false;
 220     var passColorFound = false;
 221     var vertices;
 222
 223     bufferedLogToConsole('Case iteration ' + (this.m_iterNdx + 1) + ' / ' + NUM_CASE_ITERATIONS);
 224
 225     // Create and bind FBO if needed
 226
 227     if (this.m_caseOptions.useFBO) {
 228         this.setupFramebufferObject();
 229     }
 230
 231     if (this.m_caseOptions.useScissor) {
 232         gl.enable(gl.SCISSOR_TEST);
 233         gl.scissor(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
 234         bufferedLogToConsole('Scissor test enabled: glScissor(0, 0, ' + gl.drawingBufferWidth + ', ' + gl.drawingBufferHeight + ')');
 235     }
 236
 237     gl.useProgram(this.m_program.getProgram());
 238
 239     gl.enable(gl.DEPTH_TEST);
 240     gl.depthRange(0, 1);
 241     gl.depthFunc(gl.LEQUAL);
 242
 243     gl.enable(gl.STENCIL_TEST);
 244     gl.stencilFunc(gl.NOTEQUAL, 1, 0xFF);
 245     gl.stencilOp(gl.REPLACE, gl.KEEP, gl.KEEP);
 246
 247     gl.clearColor(PASS_COLOR_BLUE[0], PASS_COLOR_BLUE[1], PASS_COLOR_BLUE[2], PASS_COLOR_BLUE[3]);
 248     gl.clearDepth(1);
 249     gl.clearStencil(0);
 250     gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT | gl.STENCIL_BUFFER_BIT);
 251
 252     // Generate vertices
 253     vertices = es3fRasterizerDiscardTests.generateVertices(this.m_numPrimitives, this.m_rnd, this.m_drawMode);
 254     var posLoc = gl.getAttribLocation(program, 'a_position');
 255     var vertexArrays = [];
 256     vertexArrays.push(new gluDrawUtil.VertexArrayBinding(gl.FLOAT, posLoc, 4, vertices.length / 4, vertices));
 257     // Clear color to black for depth and stencil clear cases
 258
 259     if (this.m_caseType == es3fRasterizerDiscardTests.CaseType.CLEAR_DEPTH || this.m_caseType == es3fRasterizerDiscardTests.CaseType.CLEAR_STENCIL) {
 260         gl.clearColor(BLACK_COLOR[0], BLACK_COLOR[1], BLACK_COLOR[2], BLACK_COLOR[3]);
 261         gl.clear(gl.COLOR_BUFFER_BIT);
 262     }
 263
 264     // Set fail values for color, depth and stencil
 265
 266     gl.uniform4fv(colorUnif, FAIL_COLOR_RED);
 267     gl.clearColor(FAIL_COLOR_RED[0], FAIL_COLOR_RED[1], FAIL_COLOR_RED[2], FAIL_COLOR_RED[3]);
 268     gl.clearDepth(FAIL_DEPTH);
 269     gl.clearStencil(FAIL_STENCIL);
 270
 271     // Enable rasterizer discard
 272
 273     gl.enable(gl.RASTERIZER_DISCARD);
 274     bufferedLogToConsole('Rasterizer discard enabled');
 275
 276     // Do to-be-discarded primitive draws and buffer clears
 277
 278     switch (this.m_caseType) {
 279         case es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH:
 280             gluDrawUtil.draw(gl, program, vertexArrays, new gluDrawUtil.PrimitiveList(this.m_drawMode, vertices.length / 4));
 281             break;
 282         case es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL:
 283             gluDrawUtil.draw(gl, program, vertexArrays, new gluDrawUtil.PrimitiveList(this.m_drawMode, vertices.length / 4));
 284             break;
 285         case es3fRasterizerDiscardTests.CaseType.CLEAR_COLOR:
 286             if (this.m_caseOptions.useFBO)
 287                 gl.clearBufferfv(gl.COLOR, 0, FAIL_COLOR_RED);
 288             else
 289                 gl.clear(gl.COLOR_BUFFER_BIT);
 290             break;
 291         case es3fRasterizerDiscardTests.CaseType.CLEAR_DEPTH:
 292             if (this.m_caseOptions.useFBO)
 293                 gl.clearBufferfv(gl.DEPTH, 0, [FAIL_DEPTH]);
 294             else
 295                 gl.clear(gl.DEPTH_BUFFER_BIT);
 296             break;
 297         case es3fRasterizerDiscardTests.CaseType.CLEAR_STENCIL:
 298             if (this.m_caseOptions.useFBO)
 299                 gl.clearBufferiv(gl.STENCIL, 0, [FAIL_STENCIL]);
 300             else
 301                 gl.clear(gl.STENCIL_BUFFER_BIT);
 302             break;
 303         default:
 304             throw new Error('Invalid case type ' + this.m_caseType);
 305     }
 306
 307     // Disable rasterizer discard
 308
 309     gl.disable(gl.RASTERIZER_DISCARD);
 310     bufferedLogToConsole('Rasterizer discard disabled');
 311
 312     if (this.m_caseType == es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL) {
 313         if (this.m_caseOptions.useFBO || gl.getContextAttributes().stencil) {
 314             // Draw a full-screen square that colors all pixels red if they have stencil value 1.
 315             var square = [new gluDrawUtil.VertexArrayBinding(gl.FLOAT, posLoc, 4, UNIT_SQUARE.length / 4, UNIT_SQUARE)];
 316
 317             gl.stencilFunc(gl.EQUAL, 1, 0xFF);
 318             gluDrawUtil.draw(gl, program, square,
 319              new gluDrawUtil.PrimitiveList(gluDrawUtil.primitiveType.TRIANGLE_STRIP, UNIT_SQUARE.length / 4));
 320         }
 321         // \note If no stencil buffers are present and test is rendering to default framebuffer, test will always pass.
 322     } else if (this.m_caseType == es3fRasterizerDiscardTests.CaseType.CLEAR_DEPTH || this.m_caseType == es3fRasterizerDiscardTests.CaseType.CLEAR_STENCIL) {
 323         // Draw pass-indicating primitives for depth and stencil clear cases
 324
 325         gl.uniform4fv(colorUnif, PASS_COLOR_BLUE);
 326         gluDrawUtil.draw(gl, program, vertexArrays, new gluDrawUtil.PrimitiveList(this.m_drawMode, vertices.length / 4));
 327     }
 328
 329     gl.finish();
 330     gl.disable(gl.STENCIL_TEST);
 331     gl.disable(gl.DEPTH_TEST);
 332     gl.disable(gl.SCISSOR_TEST);
 333
 334     // Read and check pixel data
 335
 336     var pixels = new tcuSurface.Surface();
 337     pixels.readViewport(gl);
 338
 339     var width = pixels.getWidth();
 340     var height = pixels.getHeight();
 341
 342     for (var y = 0; y < height; y++) {
 343         for (var x = 0; x < width; x++) {
 344             var pixel = pixels.getPixel(x, y);
 345             if (pixel[2] != 0)
 346                 passColorFound = true;
 347
 348             if (pixel[0] != 0) {
 349                 failColorFound = true;
 350                 break;
 351             }
 352         }
 353         if (failColorFound) break;
 354     }
 355
 356     // Delete FBO if created
 357
 358     if (this.m_caseOptions.useFBO)
 359         this.deleteFramebufferObject();
 360
 361     // Evaluate test result
 362
 363     var testOk = passColorFound && !failColorFound;
 364
 365     if (!testOk) {
 366         tcuLogImage.logImage('Result image', '', pixels.getAccess());
 367         testFailed('Primitive or buffer clear was not discarded.');
 368         return tcuTestCase.IterateResult.STOP;
 369     }
 370     bufferedLogToConsole('Primitive or buffer clear was discarded correctly.');
 371
 372     if (++this.m_iterNdx < NUM_CASE_ITERATIONS)
 373         return tcuTestCase.IterateResult.CONTINUE;
 374
 375     testPassed();
 376     return tcuTestCase.IterateResult.STOP;
 377 };
 378
 379 es3fRasterizerDiscardTests.init = function() {
 380     var state = tcuTestCase.runner;
 381     var testGroup = state.testCases;
 382
 383     var basic = tcuTestCase.newTest('basic', 'Rasterizer discard test for default framebuffer');
 384     var scissor = tcuTestCase.newTest('scissor', 'Rasterizer discard test for default framebuffer with scissor test enabled');
 385     var fbo = tcuTestCase.newTest('fbo', 'Rasterizer discard test for framebuffer object');
 386
 387     testGroup.addChild(basic);
 388     testGroup.addChild(scissor);
 389     testGroup.addChild(fbo);
 390
 391     // Default framebuffer cases
 392
 393     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_points', 'points', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, null, gluDrawUtil.primitiveType.POINTS));
 394     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_lines', 'lines', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, null, gluDrawUtil.primitiveType.LINES));
 395     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_line_strip', 'line_strip', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, null, gluDrawUtil.primitiveType.LINE_STRIP));
 396     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_line_loop', 'line_loop', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, null, gluDrawUtil.primitiveType.LINE_LOOP));
 397     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_triangles', 'triangles', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, null, gluDrawUtil.primitiveType.TRIANGLES));
 398     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_triangle_strip', 'triangle_strip', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, null, gluDrawUtil.primitiveType.TRIANGLE_STRIP));
 399     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_triangle_fan', 'triangle_fan', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, null, gluDrawUtil.primitiveType.TRIANGLE_FAN));
 400
 401     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_points', 'points', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, null, gluDrawUtil.primitiveType.POINTS));
 402     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_lines', 'lines', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, null, gluDrawUtil.primitiveType.LINES));
 403     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_line_strip', 'line_strip', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, null, gluDrawUtil.primitiveType.LINE_STRIP));
 404     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_line_loop', 'line_loop', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, null, gluDrawUtil.primitiveType.LINE_LOOP));
 405     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_triangles', 'triangles', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, null, gluDrawUtil.primitiveType.TRIANGLES));
 406     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_triangle_strip', 'triangle_strip', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, null, gluDrawUtil.primitiveType.TRIANGLE_STRIP));
 407     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_triangle_fan', 'triangle_fan', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, null, gluDrawUtil.primitiveType.TRIANGLE_FAN));
 408
 409     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('clear_color', 'clear_color', 4, es3fRasterizerDiscardTests.CaseType.CLEAR_COLOR, null));
 410     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('clear_depth', 'clear_depth', 4, es3fRasterizerDiscardTests.CaseType.CLEAR_DEPTH, null));
 411     basic.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('clear_stencil', 'clear_stencil', 4, es3fRasterizerDiscardTests.CaseType.CLEAR_STENCIL, null));
 412
 413     // Default framebuffer cases with scissor test enabled
 414
 415     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_points', 'points', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, es3fRasterizerDiscardTests.CaseOptions.SCISSOR, gluDrawUtil.primitiveType.POINTS));
 416     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_lines', 'lines', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, es3fRasterizerDiscardTests.CaseOptions.SCISSOR, gluDrawUtil.primitiveType.LINES));
 417     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_line_strip', 'line_strip', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, es3fRasterizerDiscardTests.CaseOptions.SCISSOR, gluDrawUtil.primitiveType.LINE_STRIP));
 418     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_line_loop', 'line_loop', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, es3fRasterizerDiscardTests.CaseOptions.SCISSOR, gluDrawUtil.primitiveType.LINE_LOOP));
 419     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_triangles', 'triangles', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, es3fRasterizerDiscardTests.CaseOptions.SCISSOR, gluDrawUtil.primitiveType.TRIANGLES));
 420     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_triangle_strip', 'triangle_strip', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, es3fRasterizerDiscardTests.CaseOptions.SCISSOR, gluDrawUtil.primitiveType.TRIANGLE_STRIP));
 421     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_triangle_fan', 'triangle_fan', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, es3fRasterizerDiscardTests.CaseOptions.SCISSOR, gluDrawUtil.primitiveType.TRIANGLE_FAN));
 422
 423     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_points', 'points', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, es3fRasterizerDiscardTests.CaseOptions.SCISSOR, gluDrawUtil.primitiveType.POINTS));
 424     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_lines', 'lines', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, es3fRasterizerDiscardTests.CaseOptions.SCISSOR, gluDrawUtil.primitiveType.LINES));
 425     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_line_strip', 'line_strip', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, es3fRasterizerDiscardTests.CaseOptions.SCISSOR, gluDrawUtil.primitiveType.LINE_STRIP));
 426     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_line_loop', 'line_loop', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, es3fRasterizerDiscardTests.CaseOptions.SCISSOR, gluDrawUtil.primitiveType.LINE_LOOP));
 427     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_triangles', 'triangles', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, es3fRasterizerDiscardTests.CaseOptions.SCISSOR, gluDrawUtil.primitiveType.TRIANGLES));
 428     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_triangle_strip', 'triangle_strip', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, es3fRasterizerDiscardTests.CaseOptions.SCISSOR, gluDrawUtil.primitiveType.TRIANGLE_STRIP));
 429     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_triangle_fan', 'triangle_fan', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, es3fRasterizerDiscardTests.CaseOptions.SCISSOR, gluDrawUtil.primitiveType.TRIANGLE_FAN));
 430
 431     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('clear_color', 'clear_color', 4, es3fRasterizerDiscardTests.CaseType.CLEAR_COLOR, es3fRasterizerDiscardTests.CaseOptions.SCISSOR));
 432     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('clear_depth', 'clear_depth', 4, es3fRasterizerDiscardTests.CaseType.CLEAR_DEPTH, es3fRasterizerDiscardTests.CaseOptions.SCISSOR));
 433     scissor.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('clear_stencil', 'clear_stencil', 4, es3fRasterizerDiscardTests.CaseType.CLEAR_STENCIL, es3fRasterizerDiscardTests.CaseOptions.SCISSOR));
 434
 435     // FBO cases
 436
 437     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_points', 'points', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, es3fRasterizerDiscardTests.CaseOptions.FBO, gluDrawUtil.primitiveType.POINTS));
 438     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_lines', 'lines', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, es3fRasterizerDiscardTests.CaseOptions.FBO, gluDrawUtil.primitiveType.LINES));
 439     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_line_strip', 'line_strip', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, es3fRasterizerDiscardTests.CaseOptions.FBO, gluDrawUtil.primitiveType.LINE_STRIP));
 440     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_line_loop', 'line_loop', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, es3fRasterizerDiscardTests.CaseOptions.FBO, gluDrawUtil.primitiveType.LINE_LOOP));
 441     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_triangles', 'triangles', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, es3fRasterizerDiscardTests.CaseOptions.FBO, gluDrawUtil.primitiveType.TRIANGLES));
 442     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_triangle_strip', 'triangle_strip', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, es3fRasterizerDiscardTests.CaseOptions.FBO, gluDrawUtil.primitiveType.TRIANGLE_STRIP));
 443     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_depth_triangle_fan', 'triangle_fan', 4, es3fRasterizerDiscardTests.CaseType.WRITE_DEPTH, es3fRasterizerDiscardTests.CaseOptions.FBO, gluDrawUtil.primitiveType.TRIANGLE_FAN));
 444
 445     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_points', 'points', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, es3fRasterizerDiscardTests.CaseOptions.FBO, gluDrawUtil.primitiveType.POINTS));
 446     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_lines', 'lines', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, es3fRasterizerDiscardTests.CaseOptions.FBO, gluDrawUtil.primitiveType.LINES));
 447     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_line_strip', 'line_strip', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, es3fRasterizerDiscardTests.CaseOptions.FBO, gluDrawUtil.primitiveType.LINE_STRIP));
 448     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_line_loop', 'line_loop', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, es3fRasterizerDiscardTests.CaseOptions.FBO, gluDrawUtil.primitiveType.LINE_LOOP));
 449     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_triangles', 'triangles', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, es3fRasterizerDiscardTests.CaseOptions.FBO, gluDrawUtil.primitiveType.TRIANGLES));
 450     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_triangle_strip', 'triangle_strip', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, es3fRasterizerDiscardTests.CaseOptions.FBO, gluDrawUtil.primitiveType.TRIANGLE_STRIP));
 451     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('write_stencil_triangle_fan', 'triangle_fan', 4, es3fRasterizerDiscardTests.CaseType.WRITE_STENCIL, es3fRasterizerDiscardTests.CaseOptions.FBO, gluDrawUtil.primitiveType.TRIANGLE_FAN));
 452
 453     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('clear_color', 'clear_color', 4, es3fRasterizerDiscardTests.CaseType.CLEAR_COLOR, es3fRasterizerDiscardTests.CaseOptions.FBO));
 454     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('clear_depth', 'clear_depth', 4, es3fRasterizerDiscardTests.CaseType.CLEAR_DEPTH, es3fRasterizerDiscardTests.CaseOptions.FBO));
 455     fbo.addChild(new es3fRasterizerDiscardTests.RasterizerDiscardCase('clear_stencil', 'clear_stencil', 4, es3fRasterizerDiscardTests.CaseType.CLEAR_STENCIL, es3fRasterizerDiscardTests.CaseOptions.FBO));
 456 };
 457
 458 /**
 459  * Create and execute the test cases
 460  */
 461 es3fRasterizerDiscardTests.run = function(context) {
 462     gl = context;
 463     //Set up Test Root parameters
 464     var testName = 'rasterizer_discard';
 465     var testDescription = 'Rasterizer Discard Tests';
 466     var state = tcuTestCase.runner;
 467
 468     state.testName = testName;
 469     state.testCases = tcuTestCase.newTest(testName, testDescription, null);
 470
 471     //Set up name and description of this test series.
 472     setCurrentTestName(testName);
 473     description(testDescription);
 474
 475     try {
 476         es3fRasterizerDiscardTests.init();
 477         tcuTestCase.runTestCases();
 478     } catch (err) {
 479         testFailedOptions('Failed to run tests', false);
 480         bufferedLogToConsole(err);
 481         tcuTestCase.runner.terminate();
 482     }
 483 };
 484
 485 });