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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/deqp/functional/gles3/es3fTransformFeedbackTests.js')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/deqp/functional/gles3/es3fTransformFeedbackTests.js | 1914 |
1 files changed, 1914 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/deqp/functional/gles3/es3fTransformFeedbackTests.js b/dom/canvas/test/webgl-conf/checkout/deqp/functional/gles3/es3fTransformFeedbackTests.js new file mode 100644 index 0000000000..5beae6985d --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/deqp/functional/gles3/es3fTransformFeedbackTests.js @@ -0,0 +1,1914 @@ +/*------------------------------------------------------------------------- + * 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.es3fTransformFeedbackTests'); +goog.require('framework.common.tcuImageCompare'); +goog.require('framework.common.tcuSurface'); +goog.require('framework.common.tcuTestCase'); +goog.require('framework.delibs.debase.deMath'); +goog.require('framework.delibs.debase.deRandom'); +goog.require('framework.delibs.debase.deString'); +goog.require('framework.opengl.gluDrawUtil'); +goog.require('framework.opengl.gluShaderProgram'); +goog.require('framework.opengl.gluShaderUtil'); +goog.require('framework.opengl.gluVarType'); +goog.require('framework.opengl.gluVarTypeUtil'); + +goog.scope(function() { + + var es3fTransformFeedbackTests = functional.gles3.es3fTransformFeedbackTests; + var gluShaderUtil = framework.opengl.gluShaderUtil; + var gluDrawUtil = framework.opengl.gluDrawUtil; + var gluVarType = framework.opengl.gluVarType; + var gluVarTypeUtil = framework.opengl.gluVarTypeUtil; + var gluShaderProgram = framework.opengl.gluShaderProgram; + var deRandom = framework.delibs.debase.deRandom; + var deMath = framework.delibs.debase.deMath; + var deString = framework.delibs.debase.deString; + var tcuTestCase = framework.common.tcuTestCase; + var tcuSurface = framework.common.tcuSurface; + var tcuImageCompare = framework.common.tcuImageCompare; + + /** @type {WebGL2RenderingContext} */ var gl; + + var setParentClass = function(child, parent) { + child.prototype = Object.create(parent.prototype); + child.prototype.constructor = child; + }; + + /** + * @enum + */ + es3fTransformFeedbackTests.State = { + DRAW: 0, + VERIFY: 1, + FINISH: 2 + }; + + /* Maximum time to wait for query result (in seconds) */ + /** @const */ es3fTransformFeedbackTests.MAX_VERIFY_WAIT = 5; + + /** @const @type {number} */ es3fTransformFeedbackTests.VIEWPORT_WIDTH = 128; + /** @const @type {number} */ es3fTransformFeedbackTests.VIEWPORT_HEIGHT = 128; + /** @const @type {number} */ es3fTransformFeedbackTests.BUFFER_GUARD_MULTIPLIER = 2; + + /** + * Enums for es3fTransformFeedbackTests.interpolation + * @enum {number} + */ + es3fTransformFeedbackTests.interpolation = { + SMOOTH: 0, + FLAT: 1, + CENTROID: 2 + + }; + + /** + * Returns es3fTransformFeedbackTests.interpolation name: smooth, flat or centroid + * @param {number} interpol es3fTransformFeedbackTests.interpolation enum value + * @return {string} + */ + es3fTransformFeedbackTests.getInterpolationName = function(interpol) { + + switch (interpol) { + case es3fTransformFeedbackTests.interpolation.SMOOTH: return 'smooth'; + case es3fTransformFeedbackTests.interpolation.FLAT: return 'flat'; + case es3fTransformFeedbackTests.interpolation.CENTROID: return 'centroid'; + default: + throw new Error('Unrecognized es3fTransformFeedbackTests.interpolation name ' + interpol); + } + + }; + + /** + * @struct + * @param {string} name + * @param {gluVarType.VarType} type + * @param {number} interpolation + * @constructor + */ + es3fTransformFeedbackTests.Varying = function(name, type, interpolation) { + this.name = name; + this.type = type; + this.interpolation = interpolation; + }; + + /** es3fTransformFeedbackTests.findAttributeNameEquals + * Replaces original implementation of "VaryingNameEquals" and "AttributeNameEquals" in the C++ version + * Returns an es3fTransformFeedbackTests.Attribute or es3fTransformFeedbackTests.Varying object which matches its name with the passed string value in the function + * @param {(Array<es3fTransformFeedbackTests.Attribute> | Array<es3fTransformFeedbackTests.Varying>)} array + * @param {string} name + * @return { (es3fTransformFeedbackTests.Attribute | es3fTransformFeedbackTests.Varying | null)} + */ + es3fTransformFeedbackTests.findAttributeNameEquals = function(array, name) { + for (var pos = 0; pos < array.length; pos++) { + if (array[pos].name === name) { + return array[pos]; + } + } + return null; + }; + + /** + * @struct + * @param {string} name + * @param {gluVarType.VarType} type + * @param {number} offset + * @constructor + */ + es3fTransformFeedbackTests.Attribute = function(name, type, offset) { + this.name = name; + this.type = type; + this.offset = offset; + }; + + /** + * Constructs an es3fTransformFeedbackTests.Output object + * @constructor + */ + es3fTransformFeedbackTests.Output = function() { + /** @type {number} */ this.bufferNdx = 0; + /** @type {number} */ this.offset = 0; + /** @type {string} */ this.name; + /** @type {gluVarType.VarType} */ this.type = null; + /** @type {Array<es3fTransformFeedbackTests.Attribute>} */ this.inputs = []; + }; + + /** + * Constructs an object type es3fTransformFeedbackTests.DrawCall. + * Contains the number of elements as well as whether the Transform Feedback is enabled or not. + * @struct + * @param {number} numElements + * @param {boolean} tfEnabled is Transform Feedback enabled or not + * @constructor + */ + es3fTransformFeedbackTests.DrawCall = function(numElements, tfEnabled) { + this.numElements = numElements; + this.transformFeedbackEnabled = tfEnabled; + }; + + /** + * @constructor + */ + es3fTransformFeedbackTests.ProgramSpec = function() { + + /** @type {Array<gluVarType.StructType>} */ var m_structs = []; + /** @type {Array<es3fTransformFeedbackTests.Varying>} */ var m_varyings = []; + /** @type {Array<string>} */ var m_transformFeedbackVaryings = []; + + this.createStruct = function(name) { + var struct = gluVarType.newStructType(name); + m_structs.push(struct); + return struct; + }; + + this.addVarying = function(name, type, interp) { + m_varyings.push(new es3fTransformFeedbackTests.Varying(name, type, interp)); + }; + + this.addTransformFeedbackVarying = function(name) { + m_transformFeedbackVaryings.push(name); + }; + + this.getStructs = function() { + return m_structs; + }; + this.getVaryings = function() { + return m_varyings; + }; + this.getTransformFeedbackVaryings = function() { + return m_transformFeedbackVaryings; + }; + + this.isPointSizeUsed = function() { + for (var i = 0; i < m_transformFeedbackVaryings.length; ++i) { + if (m_transformFeedbackVaryings[i] == 'gl_PointSize') return true; + } + return false; + }; + + }; + + /** Returns if the program is supported or not + * @param {es3fTransformFeedbackTests.ProgramSpec} spec + * @param {number} tfMode + * @return {boolean} + */ + es3fTransformFeedbackTests.isProgramSupported = function(spec, tfMode) { + var maxVertexAttribs = Number(gl.getParameter(gl.MAX_VERTEX_ATTRIBS)); + var maxTfInterleavedComponents = Number(gl.getParameter(gl.MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS)); + var maxTfSeparateAttribs = Number(gl.getParameter(gl.MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS)); + var maxTfSeparateComponents = Number(gl.getParameter(gl.MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS)); + + // Check vertex attribs. + /** @type {number} */ var totalVertexAttribs = ( + 1 /* a_position */ + (spec.isPointSizeUsed() ? 1 : 0) + ); + + for (var i = 0; i < spec.getVaryings().length; ++i) { + for (var v_iter = new gluVarTypeUtil.VectorTypeIterator(spec.getVaryings()[i].type); !v_iter.end(); v_iter.next()) { + totalVertexAttribs += 1; + } + } + + if (totalVertexAttribs > maxVertexAttribs) + return false; // Vertex attribute es3fTransformFeedbackTests.count exceeded. + + // check varyings + /** @type {number} */ var totalTfComponents = 0; + /** @type {number} */ var totalTfAttribs = 0; + /** @type {Object.<number, number>} */ var presetNumComponents = { + gl_Position: 4, + gl_PointSize: 1 + }; + for (var i = 0; i < spec.getTransformFeedbackVaryings().length; ++i) { + var name = spec.getTransformFeedbackVaryings()[i]; + var numComponents = 0; + + if (typeof(presetNumComponents[name]) != 'undefined') { + numComponents = presetNumComponents[name]; + } else { + var varName = gluVarTypeUtil.parseVariableName(name); + // find the varying called varName + /** @type {es3fTransformFeedbackTests.Varying} */ var varying = (function(varyings) { + for (var i = 0; i < varyings.length; ++i) { + if (varyings[i].name == varName) { + return varyings[i]; + } + } + return null; + }(spec.getVaryings())); + + // glu::TypeComponentVector + var varPath = gluVarTypeUtil.parseTypePath(name, varying.type); + numComponents = gluVarTypeUtil.getVarType(varying.type, varPath).getScalarSize(); + } + + if (tfMode == gl.SEPARATE_ATTRIBS && numComponents > maxTfSeparateComponents) + return false; // Per-attribute component es3fTransformFeedbackTests.count exceeded. + + totalTfComponents += numComponents; + totalTfAttribs += 1; + } + + if (tfMode == gl.SEPARATE_ATTRIBS && totalTfAttribs > maxTfSeparateAttribs) + return false; + + if (tfMode == gl.INTERLEAVED_ATTRIBS && totalTfComponents > maxTfInterleavedComponents) + return false; + + return true; + + }; + + /** + * @param {string} varyingName + * @param {Array<gluVarTypeUtil.VarTypeComponent>} path + * @return {string} + */ + es3fTransformFeedbackTests.getAttributeName = function(varyingName, path) { + /** @type {string} */ var str = 'a_' + varyingName.substr(/^v_/.test(varyingName) ? 2 : 0); + + for (var i = 0; i < path.length; ++i) { + /** @type {string} */ var prefix; + + switch (path[i].type) { + case gluVarTypeUtil.VarTypeComponent.s_Type.STRUCT_MEMBER: prefix = '_m'; break; + case gluVarTypeUtil.VarTypeComponent.s_Type.ARRAY_ELEMENT: prefix = '_e'; break; + case gluVarTypeUtil.VarTypeComponent.s_Type.MATRIX_COLUMN: prefix = '_c'; break; + case gluVarTypeUtil.VarTypeComponent.s_Type.VECTOR_COMPONENT: prefix = '_s'; break; + default: + throw new Error('invalid type in the component path.'); + } + str += prefix + path[i].index; + } + return str; + }; + + /** + * original definition: + * static void es3fTransformFeedbackTests.genShaderSources (const es3fTransformFeedbackTests.ProgramSpec& spec, std::string& vertSource, std::string& fragSource, bool pointSizeRequired) + * in place of the std::string references, this function returns those params in an object + * + * @param {es3fTransformFeedbackTests.ProgramSpec} spec + * @param {boolean} pointSizeRequired + * @return {Object.<string, string>} + */ + es3fTransformFeedbackTests.genShaderSources = function(spec, pointSizeRequired) { + + var vtx = { str: null }; + var frag = { str: null }; + var addPointSize = spec.isPointSizeUsed(); + + vtx.str = '#version 300 es\n' + + 'in highp vec4 a_position;\n'; + frag.str = '#version 300 es\n' + + 'layout(location = 0) out mediump vec4 o_color;\n' + + 'uniform highp vec4 u_scale;\n' + + 'uniform highp vec4 u_bias;\n'; + //vtx.str = 'attribute highp vec4 a_position;\n'; + //frag.str = 'uniform highp vec4 u_scale;\n' + + // 'uniform highp vec4 u_bias;\n'; + + if (addPointSize) { + vtx.str += 'in highp float a_pointSize;\n'; + //vtx.str += 'attribute highp float a_pointSize;\n'; + } + + // Declare attributes. + for (var i = 0; i < spec.getVaryings().length; ++i) { + + /** @type {string} */ var name = spec.getVaryings()[i].name; + /** @type {gluVarType.VarType} */ var type = spec.getVaryings()[i].type; + + for (var vecIter = new gluVarTypeUtil.VectorTypeIterator(type); !vecIter.end(); vecIter.next()) { + + /** @type {gluVarType.VarType} */ + var attribType = gluVarTypeUtil.getVarType(type, vecIter.getPath()); + + /** @type {string} */ + var attribName = es3fTransformFeedbackTests.getAttributeName(name, vecIter.getPath()); + vtx.str += 'in ' + gluVarType.declareVariable(attribType, attribName) + ';\n'; + + } + } + + // Declare varyings. + for (var ndx = 0; ndx < 2; ++ndx) { + var inout = ndx ? 'in' : 'out'; + var shader = ndx ? frag : vtx; + + for (var i = 0; i < spec.getStructs().length; ++i) { + var struct = spec.getStructs()[i]; + if (struct.hasTypeName()) { + shader.str += gluVarType.declareStructType(struct) + ';\n'; + } + } + + /** @type {Array<es3fTransformFeedbackTests.Varying>} */ var varyings = spec.getVaryings(); + for (var i = 0; i < varyings.length; ++i) { + var varying = varyings[i]; + shader.str += es3fTransformFeedbackTests.getInterpolationName(varying.interpolation) + + ' ' + inout + ' ' + + gluVarType.declareVariable(varying.type, varying.name) + + ';\n'; + } + } + + vtx.str += '\nvoid main (void)\n {\n' + + '\tgl_Position = a_position;\n'; + frag.str += '\nvoid main (void)\n {\n' + + '\thighp vec4 res = vec4(0.0);\n'; + + if (addPointSize) { + vtx.str += '\tgl_PointSize = a_pointSize;\n'; + } else if (pointSizeRequired) { + vtx.str += '\tgl_PointSize = 1.0;\n'; + } + + for (var i = 0; i < spec.getVaryings().length; ++i) { + var name = spec.getVaryings()[i].name; + var type = spec.getVaryings()[i].type; + + for (var vecIter = new gluVarTypeUtil.VectorTypeIterator(type); !vecIter.end(); vecIter.next()) { + /** @type {gluVarType.VarType} */var subType = gluVarTypeUtil.getVarType(type, vecIter.getPath()); + var attribName = es3fTransformFeedbackTests.getAttributeName(name, vecIter.getPath()); + + if (!( + subType.isBasicType() && + gluShaderUtil.isDataTypeScalarOrVector(subType.getBasicType()) + )) throw new Error('Not a scalar or vector.'); + + // Vertex: assign from attribute. + vtx.str += '\t' + name + vecIter.toString() + ' = ' + attribName + ';\n'; + + // Fragment: add to res variable. + var scalarSize = gluShaderUtil.getDataTypeScalarSize(subType.getBasicType()); + + frag.str += '\tres += '; + if (scalarSize == 1) frag.str += 'vec4(' + name + vecIter.toString() + ')'; + else if (scalarSize == 2) frag.str += 'vec2(' + name + vecIter.toString() + ').xxyy'; + else if (scalarSize == 3) frag.str += 'vec3(' + name + vecIter.toString() + ').xyzx'; + else if (scalarSize == 4) frag.str += 'vec4(' + name + vecIter.toString() + ')'; + + frag.str += ';\n'; + } + } + + frag.str += '\to_color = res * u_scale + u_bias;\n}\n'; + //frag.str += '\tgl_FragColor = res * u_scale + u_bias;\n}\n'; + vtx.str += '}\n'; + + return { + vertSource: vtx.str, + fragSource: frag.str + }; + }; + + /** + * Returns a Shader program + * @param {es3fTransformFeedbackTests.ProgramSpec} spec + * @param {number} bufferMode + * @param {gluDrawUtil.primitiveType} primitiveType GLenum that specifies what kind of primitive is + * @return {gluShaderProgram.ShaderProgram} + */ + es3fTransformFeedbackTests.createVertexCaptureProgram = function(spec, bufferMode, primitiveType) { + + /** @type {Object.<string, string>} */ var source = es3fTransformFeedbackTests.genShaderSources(spec, primitiveType === gluDrawUtil.primitiveType.POINTS /* Is point size required? */); + + var programSources = new gluShaderProgram.ProgramSources(); + programSources.add(new gluShaderProgram.VertexSource(source.vertSource)) + .add(new gluShaderProgram.FragmentSource(source.fragSource)) + .add(new gluShaderProgram.TransformFeedbackVaryings(spec.getTransformFeedbackVaryings())) + .add(new gluShaderProgram.TransformFeedbackMode(bufferMode)); + + return new gluShaderProgram.ShaderProgram(gl, programSources); + + }; + + /** + * @param {Array<es3fTransformFeedbackTests.Attribute>} attributes + * @param {Array<es3fTransformFeedbackTests.Varying>} varyings + * @param {boolean} usePointSize + * @return {number} input stride + */ + es3fTransformFeedbackTests.computeInputLayout = function(attributes, varyings, usePointSize) { + + var inputStride = 0; + + // Add position + var dataTypeVec4 = gluVarType.newTypeBasic(gluShaderUtil.DataType.FLOAT_VEC4, gluShaderUtil.precision.PRECISION_HIGHP); + attributes.push(new es3fTransformFeedbackTests.Attribute('a_position', dataTypeVec4, inputStride)); + inputStride += 4 * 4; /*sizeof(deUint32)*/ + + if (usePointSize) { + var dataTypeFloat = gluVarType.newTypeBasic(gluShaderUtil.DataType.FLOAT, gluShaderUtil.precision.PRECISION_HIGHP); + attributes.push(new es3fTransformFeedbackTests.Attribute('a_pointSize', dataTypeFloat, inputStride)); + inputStride += 1 * 4; /*sizeof(deUint32)*/ + } + + for (var i = 0; i < varyings.length; i++) { + for (var vecIter = new gluVarTypeUtil.VectorTypeIterator(varyings[i].type); !vecIter.end(); vecIter.next()) { + var type = vecIter.getType(); // originally getType() in getVarType() within gluVARTypeUtil.hpp. + var name = es3fTransformFeedbackTests.getAttributeName(varyings[i].name, vecIter.getPath()); + + attributes.push(new es3fTransformFeedbackTests.Attribute(name, type, inputStride)); + inputStride += gluShaderUtil.getDataTypeScalarSize(type.getBasicType()) * 4; /*sizeof(deUint32)*/ + } + } + + return inputStride; + }; + + /** + * @param {Array<es3fTransformFeedbackTests.Output>} transformFeedbackOutputs + * @param {Array<es3fTransformFeedbackTests.Attribute>} attributes + * @param {Array<es3fTransformFeedbackTests.Varying>} varyings + * @param {Array<string>} transformFeedbackVaryings + * @param {number} bufferMode + */ + es3fTransformFeedbackTests.computeTransformFeedbackOutputs = function(transformFeedbackOutputs, attributes, varyings, transformFeedbackVaryings, bufferMode) { + + /** @type {number} */ var accumulatedSize = 0; + + // transformFeedbackOutputs.resize(transformFeedbackVaryings.size()); + for (var varNdx = 0; varNdx < transformFeedbackVaryings.length; varNdx++) { + /** @type {string} */ var name = transformFeedbackVaryings[varNdx]; + /** @type {number} */ var bufNdx = (bufferMode === gl.SEPARATE_ATTRIBS ? varNdx : 0); + /** @type {number} */ var offset = (bufferMode === gl.SEPARATE_ATTRIBS ? 0 : accumulatedSize); + /** @type {es3fTransformFeedbackTests.Output} */ var output = new es3fTransformFeedbackTests.Output(); + + output.name = name; + output.bufferNdx = bufNdx; + output.offset = offset; + + if (name === 'gl_Position') { + var posIn = es3fTransformFeedbackTests.findAttributeNameEquals(attributes, 'a_position'); + output.type = posIn.type; + output.inputs.push(posIn); + } else if (name === 'gl_PointSize') { + var sizeIn = es3fTransformFeedbackTests.findAttributeNameEquals(attributes, 'a_pointSize'); + output.type = sizeIn.type; + output.inputs.push(sizeIn); + } else { + var varName = gluVarTypeUtil.parseVariableName(name); + var varying = es3fTransformFeedbackTests.findAttributeNameEquals(varyings, varName); + + var varPath = gluVarTypeUtil.parseTypePath(name, varying.type); + output.type = gluVarTypeUtil.getVarType(varying.type, varPath); + + // Add all vectorized attributes as inputs. + for (var iter = new gluVarTypeUtil.VectorTypeIterator(output.type); !iter.end(); iter.next()) { + var fullpath = varPath.concat(iter.getPath()); + var attribName = es3fTransformFeedbackTests.getAttributeName(varName, fullpath); + var attrib = es3fTransformFeedbackTests.findAttributeNameEquals(attributes, attribName); + output.inputs.push(attrib); + } + } + transformFeedbackOutputs.push(output); + accumulatedSize += output.type.getScalarSize() * 4; /*sizeof(deUint32)*/ + } + }; + + /** + * @param {es3fTransformFeedbackTests.Attribute} attrib + * @param {ArrayBuffer} buffer + * @param {number} stride + * @param {number} numElements + * @param {deRandom.Random} rnd + */ + es3fTransformFeedbackTests.genAttributeData = function(attrib, buffer, stride, numElements, rnd) { + + /** @type {number} */ var elementSize = 4; /*sizeof(deUint32)*/ + /** @type {boolean} */ var isFloat = gluShaderUtil.isDataTypeFloatOrVec(attrib.type.getBasicType()); + /** @type {boolean} */ var isInt = gluShaderUtil.isDataTypeIntOrIVec(attrib.type.getBasicType()); + /** @type {boolean} */ var isUint = gluShaderUtil.isDataTypeUintOrUVec(attrib.type.getBasicType()); + + /** @type {gluShaderUtil.precision} */ var precision = attrib.type.getPrecision(); + + /** @type {number} */ var numComps = gluShaderUtil.getDataTypeScalarSize(attrib.type.getBasicType()); + + for (var elemNdx = 0; elemNdx < numElements; elemNdx++) { + for (var compNdx = 0; compNdx < numComps; compNdx++) { + /** @type {number} */ var offset = attrib.offset + elemNdx * stride + compNdx * elementSize; + if (isFloat) { + var pos = new Float32Array(buffer, offset, 1); + switch (precision) { + case gluShaderUtil.precision.PRECISION_LOWP: pos[0] = 0.25 * rnd.getInt(0, 4); break; + case gluShaderUtil.precision.PRECISION_MEDIUMP: pos[0] = rnd.getFloat(-1e3, 1e3); break; + case gluShaderUtil.precision.PRECISION_HIGHP: pos[0] = rnd.getFloat(-1e5, 1e5); break; + default: throw new Error('Unknown precision: ' + precision); + } + } else if (isInt) { + var pos = new Int32Array(buffer, offset, 1); + switch (precision) { + case gluShaderUtil.precision.PRECISION_LOWP: pos[0] = rnd.getInt(-128, 127); break; + case gluShaderUtil.precision.PRECISION_MEDIUMP: pos[0] = rnd.getInt(-32768, 32767); break; + case gluShaderUtil.precision.PRECISION_HIGHP: pos[0] = rnd.getInt(); break; + default: throw new Error('Unknown precision: ' + precision); + } + } else if (isUint) { + var pos = new Uint32Array(buffer, offset, 1); + switch (precision) { + case gluShaderUtil.precision.PRECISION_LOWP: pos[0] = rnd.getInt(0, 255); break; + case gluShaderUtil.precision.PRECISION_MEDIUMP: pos[0] = rnd.getInt(0, 65535); break; + case gluShaderUtil.precision.PRECISION_HIGHP: pos[0] = Math.abs(rnd.getInt()); break; + default: throw new Error('Unknown precision: ' + precision); + } + } + } + } + }; + + /** + * @param {Array<es3fTransformFeedbackTests.Attribute>} attributes + * @param {number} numInputs + * @param {number} inputStride + * @param {deRandom.Random} rnd + * @return {ArrayBuffer} + */ + es3fTransformFeedbackTests.genInputData = function(attributes, numInputs, inputStride, rnd) { + var buffer = new ArrayBuffer(numInputs * inputStride); + + var position = es3fTransformFeedbackTests.findAttributeNameEquals(attributes, 'a_position'); + if (!position) + throw new Error('Position attribute not found.'); + + for (var ndx = 0; ndx < numInputs; ndx++) { + var pos = new Float32Array(buffer, position.offset + inputStride * ndx, 4); + pos[0] = rnd.getFloat(-1.2, 1.2); + pos[1] = rnd.getFloat(-1.2, 1.2); + pos[2] = rnd.getFloat(-1.2, 1.2); + pos[3] = rnd.getFloat(0.1, 2.0); + } + + var pointSizePos = es3fTransformFeedbackTests.findAttributeNameEquals(attributes, 'a_pointSize'); + if (pointSizePos) { + for (var ndx = 0; ndx < numInputs; ndx++) { + var pos = new Float32Array(buffer, pointSizePos.offset + inputStride * ndx, 1); + pos[0] = rnd.getFloat(1, 8); + } + } + + // Random data for rest of components. + for (var i = 0; i < attributes.length; i++) { + if (attributes[i].name != 'a_position' && attributes[i].name != 'a_pointSize') + es3fTransformFeedbackTests.genAttributeData(attributes[i], buffer, inputStride, numInputs, rnd); + } + + return buffer; + }; + + /** + * Returns the number of outputs with the es3fTransformFeedbackTests.count for the Primitives in the Transform Feedback. + * @param {gluDrawUtil.primitiveType} primitiveType GLenum that specifies what kind of primitive is + * @param {number} numElements + * @return {number} + */ + es3fTransformFeedbackTests.getTransformFeedbackOutputCount = function(primitiveType, numElements) { + + switch (primitiveType) { + case gluDrawUtil.primitiveType.TRIANGLES: return numElements - numElements % 3; + case gluDrawUtil.primitiveType.TRIANGLE_STRIP: return Math.max(0, numElements - 2) * 3; + case gluDrawUtil.primitiveType.TRIANGLE_FAN: return Math.max(0, numElements - 2) * 3; + case gluDrawUtil.primitiveType.LINES: return numElements - numElements % 2; + case gluDrawUtil.primitiveType.LINE_STRIP: return Math.max(0, numElements - 1) * 2; + case gluDrawUtil.primitiveType.LINE_LOOP: return numElements > 1 ? numElements * 2 : 0; + case gluDrawUtil.primitiveType.POINTS: return numElements; + default: + throw new Error('Unrecognized primitiveType ' + primitiveType); + } + + }; + + /** + * Returns a number with the es3fTransformFeedbackTests.count for the Primitives in the Transform Feedback. + * @param {gluDrawUtil.primitiveType} primitiveType GLenum that specifies what kind of primitive is + * @param {number} numElements + * @return {number} + */ + es3fTransformFeedbackTests.getTransformFeedbackPrimitiveCount = function(primitiveType, numElements) { + + switch (primitiveType) { + case gluDrawUtil.primitiveType.TRIANGLES: return Math.floor(numElements / 3); + case gluDrawUtil.primitiveType.TRIANGLE_STRIP: return Math.max(0, numElements - 2); + case gluDrawUtil.primitiveType.TRIANGLE_FAN: return Math.max(0, numElements - 2); + case gluDrawUtil.primitiveType.LINES: return Math.floor(numElements / 2); + case gluDrawUtil.primitiveType.LINE_STRIP: return Math.max(0, numElements - 1); + case gluDrawUtil.primitiveType.LINE_LOOP: return numElements > 1 ? numElements : 0; + case gluDrawUtil.primitiveType.POINTS: return numElements; + default: + throw new Error('Unrecognized primitiveType ' + primitiveType); + } + + }; + + /** + * Returns the type of Primitive Mode: Triangles for all Triangle Primitive's type and same for Line and Points. + * @param {gluDrawUtil.primitiveType} primitiveType GLenum that specifies what kind of primitive is + * @return {number} primitiveType + */ + es3fTransformFeedbackTests.getTransformFeedbackPrimitiveMode = function(primitiveType) { + + switch (primitiveType) { + case gluDrawUtil.primitiveType.TRIANGLES: + case gluDrawUtil.primitiveType.TRIANGLE_STRIP: + case gluDrawUtil.primitiveType.TRIANGLE_FAN: + return gl.TRIANGLES; + + case gluDrawUtil.primitiveType.LINES: + case gluDrawUtil.primitiveType.LINE_STRIP: + case gluDrawUtil.primitiveType.LINE_LOOP: + return gl.LINES; + + case gluDrawUtil.primitiveType.POINTS: + return gl.POINTS; + + default: + throw new Error('Unrecognized primitiveType ' + primitiveType); + } + + }; + + /** + * Returns the attribute index for a certain primitive type. + * @param {gluDrawUtil.primitiveType} primitiveType GLenum that specifies what kind of primitive is + * @param {number} numInputs + * @param {number} outNdx + * @return {number} + */ + es3fTransformFeedbackTests.getAttributeIndex = function(primitiveType, numInputs, outNdx) { + + switch (primitiveType) { + + case gluDrawUtil.primitiveType.TRIANGLES: return outNdx; + case gluDrawUtil.primitiveType.LINES: return outNdx; + case gluDrawUtil.primitiveType.POINTS: return outNdx; + + case gluDrawUtil.primitiveType.TRIANGLE_STRIP: { + /** @type {number} */ var triNdx = outNdx / 3; + /** @type {number} */ var vtxNdx = outNdx % 3; + return (triNdx % 2 != 0 && vtxNdx < 2) ? (triNdx + 1 - vtxNdx) : (triNdx + vtxNdx); + } + + case gluDrawUtil.primitiveType.TRIANGLE_FAN: + return (outNdx % 3 != 0) ? (outNdx / 3 + outNdx % 3) : 0; + + case gluDrawUtil.primitiveType.LINE_STRIP: + return outNdx / 2 + outNdx % 2; + + case gluDrawUtil.primitiveType.LINE_LOOP: { + var inNdx = outNdx / 2 + outNdx % 2; + return inNdx < numInputs ? inNdx : 0; + } + + default: + throw new Error('Unrecognized primitiveType ' + primitiveType); + } + + }; + + /** + * @param {gluDrawUtil.primitiveType} primitiveType type number in gluDrawUtil.primitiveType + * @param {es3fTransformFeedbackTests.Output} output + * @param {number} numInputs + * @param {Object} buffers + * @return {boolean} isOk + */ + es3fTransformFeedbackTests.compareTransformFeedbackOutput = function(primitiveType, output, numInputs, buffers) { + /** @type {boolean} */ var isOk = true; + /** @type {number} */ var outOffset = output.offset; + + for (var attrNdx = 0; attrNdx < output.inputs.length; attrNdx++) { + /** @type {es3fTransformFeedbackTests.Attribute} */ var attribute = output.inputs[attrNdx]; + /** @type {gluShaderUtil.DataType} */ var type = attribute.type.getBasicType(); + /** @type {number} */ var numComponents = gluShaderUtil.getDataTypeScalarSize(type); + + /** @type {gluShaderUtil.precision} */ var precision = attribute.type.getPrecision(); + + /** @type {string} */ var scalarType = gluShaderUtil.getDataTypeScalarType(type); + /** @type {number} */ var numOutputs = es3fTransformFeedbackTests.getTransformFeedbackOutputCount(primitiveType, numInputs); + + for (var outNdx = 0; outNdx < numOutputs; outNdx++) { + /** @type {number} */ var inNdx = es3fTransformFeedbackTests.getAttributeIndex(primitiveType, numInputs, outNdx); + + for (var compNdx = 0; compNdx < numComponents; compNdx++) { + /** @type {boolean} */ var isEqual = false; + + if (scalarType === 'float') { + var outBuffer = new Float32Array(buffers.output.buffer, buffers.output.offset + buffers.output.stride * outNdx + outOffset + compNdx * 4, 1); + var inBuffer = new Float32Array(buffers.input.buffer, buffers.input.offset + buffers.input.stride * inNdx + attribute.offset + compNdx * 4, 1); + var difInOut = inBuffer[0] - outBuffer[0]; + /* TODO: Original code used ULP comparison for highp and mediump precision. This could cause failures. */ + switch (precision) { + case gluShaderUtil.precision.PRECISION_HIGHP: { + isEqual = Math.abs(difInOut) < 0.1; + break; + } + + case gluShaderUtil.precision.PRECISION_MEDIUMP: { + isEqual = Math.abs(difInOut) < 0.1; + break; + } + + case gluShaderUtil.precision.PRECISION_LOWP: { + isEqual = Math.abs(difInOut) < 0.1; + break; + } + default: + throw new Error('Unknown precision: ' + precision); + } + } else { + var outBuffer = new Uint32Array(buffers.output.buffer, buffers.output.offset + buffers.output.stride * outNdx + outOffset + compNdx * 4, 1); + var inBuffer = new Uint32Array(buffers.input.buffer, buffers.input.offset + buffers.input.stride * inNdx + attribute.offset + compNdx * 4, 1); + isEqual = (inBuffer[0] == outBuffer[0]); // Bit-exact match required for integer types. + } + + if (!isEqual) { + bufferedLogToConsole('Mismatch in ' + output.name + ' (' + attribute.name + '), output = ' + outNdx + ', input = ' + inNdx + ', component = ' + compNdx); + isOk = false; + break; + } + } + + if (!isOk) + break; + } + + if (!isOk) + break; + + outOffset += numComponents * 4; /*sizeof(deUint32)*/ + } + + return isOk; + }; + + /** + * Returns (for all the draw calls) the type of Primitive Mode, as it calls "es3fTransformFeedbackTests.getTransformFeedbackPrimitiveCount". + * @param {gluDrawUtil.primitiveType} primitiveType GLenum that specifies what kind of primitive is + * @param {Array<es3fTransformFeedbackTests.DrawCall>} array Object.<number, boolean> + * @return {number} primCount + */ + es3fTransformFeedbackTests.computeTransformFeedbackPrimitiveCount = function(primitiveType, array) { + + /** @type {number} */ var primCount = 0; + + for (var i = 0; i < array.length; ++ i) { + + if (array[i].transformFeedbackEnabled) + primCount += es3fTransformFeedbackTests.getTransformFeedbackPrimitiveCount(primitiveType, array[i].numElements); + } + + return primCount; + }; + + /** + * @param {number} target + * @param {number} bufferSize + * @param {number} guardSize + */ + es3fTransformFeedbackTests.writeBufferGuard = function(target, bufferSize, guardSize) { + var buffer = new ArrayBuffer(guardSize); + var view = new Uint8Array(buffer); + for (var i = 0; i < guardSize; ++i) view[i] = 0xcd; + gl.bufferSubData(target, bufferSize, buffer); + }; + + /** + * Verifies guard + * @param {ArrayBuffer} buffer + * @param {number} start + * @return {boolean} + */ + es3fTransformFeedbackTests.verifyGuard = function(buffer, start) { + start = start || 0; + var view = new Uint8Array(buffer, start); + for (var i = 0; i < view.length; i++) { + if (view[i] != 0xcd) + return false; + } + return true; + }; + + /** + * @extends {tcuTestCase.DeqpTest} + * @param {string} name + * @param {string} desc + * @param {number} bufferMode + * @param {gluDrawUtil.primitiveType} primitiveType GLenum that specifies what kind of primitive is + * @constructor + */ + es3fTransformFeedbackTests.TransformFeedbackCase = function(name, desc, bufferMode, primitiveType) { + tcuTestCase.DeqpTest.call(this, name, desc); + this.m_bufferMode = bufferMode; + this.m_primitiveType = primitiveType; + this.m_progSpec = new es3fTransformFeedbackTests.ProgramSpec(); + + // Derived from es3fTransformFeedbackTests.ProgramSpec in es3fTransformFeedbackTests.init() + this.m_inputStride = 0; + this.m_attributes = []; // vector<es3fTransformFeedbackTests.Attribute> + this.m_transformFeedbackOutputs = []; // vector<es3fTransformFeedbackTests.Output> + this.m_bufferStrides = []; // vector<int> + + // GL state. + this.m_program = null; // glu::ShaderProgram + this.m_transformFeedback = null; // glu::TransformFeedback + this.m_outputBuffers = []; // vector<deUint32> + + this.m_iterNdx = 0; // int + this.m_testPassed = true; + // State machine + this.m_state = es3fTransformFeedbackTests.State.DRAW; + this.m_verifyStart = null; + + this.m_frameWithTf = null; + this.m_frameWithoutTf = null; + + this.m_viewportW = 0; + this.m_viewportH = 0; + this.m_viewportX = 0; + this.m_viewportY = 0; + + this.m_primitiveQuery = null; + this.m_outputsOk = true; + + }; + + setParentClass(es3fTransformFeedbackTests.TransformFeedbackCase, tcuTestCase.DeqpTest); + + es3fTransformFeedbackTests.TransformFeedbackCase.prototype.createVerificationResult = function(retry, result) { + return { retry: retry, result: result }; + } + + es3fTransformFeedbackTests.TransformFeedbackCase.prototype.dumpShaderText = function() { + var dbgext = gl.getExtension('WEBGL_debug_shaders'); + for (var ii = 0; ii < this.m_program.shaders.length; ++ii) { + debug('Shader source ' + ii + ' before translation:') + debug(this.m_program.shaders[ii].info.source); + debug(''); + debug('Shader source ' + ii + ' after translation:'); + debug(dbgext.getTranslatedShaderSource(this.m_program.shaders[ii].shader)); + } + }; + + es3fTransformFeedbackTests.TransformFeedbackCase.prototype.init = function() { + this.m_program = es3fTransformFeedbackTests.createVertexCaptureProgram( + this.m_progSpec, + this.m_bufferMode, + this.m_primitiveType + ); + + if (!this.m_program.isOk()) { + // this.dumpShaderText(); + + var linkFail = this.m_program.shadersOK && + !this.m_program.getProgramInfo().linkOk; + + if (linkFail) { + if (!es3fTransformFeedbackTests.isProgramSupported(this.m_progSpec, this.m_bufferMode)) { + var msg = 'Not Supported. Implementation limits exceeded.'; + checkMessage(false, msg); + throw new TestFailedException(msg); + } else if (es3fTransformFeedbackTests.hasArraysInTFVaryings(this.m_progSpec)) { + msg = 'Capturing arrays is not supported (undefined in specification)'; + checkMessage(false, msg); + throw new TestFailedException(msg); + } else { + throw new Error('Link failed: ' + this.m_program.getProgramInfo().infoLog); + } + } else { + throw new Error('Compile failed'); + } + } else { + // debug('Program is ' + + // (gl.getProgramParameter(this.m_program.getProgram(), gl.LINK_STATUS) ? 'linked' : 'not linked')); + // this.dumpShaderText(); + } + +// bufferedLogToConsole('Transform feedback varyings: ' + tcu.formatArray(this.m_progSpec.getTransformFeedbackVaryings())); + bufferedLogToConsole('Transform feedback varyings: ' + this.m_progSpec.getTransformFeedbackVaryings()); + + // Print out transform feedback points reported by GL. + // bufferedLogToConsole('Transform feedback varyings reported by compiler:'); + //logTransformFeedbackVaryings(log, gl, this.m_program.getProgram()); + + // Compute input specification. + this.m_inputStride = es3fTransformFeedbackTests.computeInputLayout(this.m_attributes, this.m_progSpec.getVaryings(), this.m_progSpec.isPointSizeUsed()); + + // Build list of varyings used in transform feedback. + es3fTransformFeedbackTests.computeTransformFeedbackOutputs( + this.m_transformFeedbackOutputs, + this.m_attributes, + this.m_progSpec.getVaryings(), + this.m_progSpec.getTransformFeedbackVaryings(), + this.m_bufferMode + ); + if (!this.m_transformFeedbackOutputs.length) { + throw new Error('transformFeedbackOutputs cannot be empty.'); + } + + if (this.m_bufferMode == gl.SEPARATE_ATTRIBS) { + for (var i = 0; i < this.m_transformFeedbackOutputs.length; ++i) { + this.m_bufferStrides.push(this.m_transformFeedbackOutputs[i].type.getScalarSize() * 4 /*sizeof(deUint32)*/); + } + } else { + var totalSize = 0; + for (var i = 0; i < this.m_transformFeedbackOutputs.length; ++i) { + totalSize += this.m_transformFeedbackOutputs[i].type.getScalarSize() * 4 /*sizeof(deUint32)*/; + } + this.m_bufferStrides.push(totalSize); + } + + this.m_outputBuffers.length = this.m_bufferStrides.length; + for (var i = 0; i < this.m_outputBuffers.length; i++) + this.m_outputBuffers[i] = gl.createBuffer(); + + this.m_transformFeedback = gl.createTransformFeedback(); + + this.m_iterNdx = 0; +// this.m_testCtx.setTestResult(QP_TEST_RESULT_PASS, 'Pass'); + + }; + + es3fTransformFeedbackTests.TransformFeedbackCase.prototype.deinit = function() { + for (var i = 0; i < this.m_outputBuffers.length; i++) + gl.deleteBuffer(this.m_outputBuffers[i]); + + // delete this.m_transformFeedback; + this.m_transformFeedback = null; + + // delete this.m_program; + this.m_program = null; + + // Clean up state. + this.m_attributes = []; + this.m_transformFeedbackOutputs = []; + this.m_bufferStrides = []; + this.m_inputStride = 0; + + }; + + es3fTransformFeedbackTests.TransformFeedbackCase.prototype.iterate = function() { + var s = es3fTransformFeedbackTests.TransformFeedbackCase.s_iterate; + var numIterations = s.iterations.length; + var seed = deMath.deMathHash(this.m_iterNdx); + switch(this.m_state) { + case es3fTransformFeedbackTests.State.DRAW: + bufferedLogToConsole('Testing ' + + s.testCases[s.iterations[this.m_iterNdx]].length + + ' draw calls, (element es3fTransformFeedbackTests.count, TF state): ' + + s.testCases[s.iterations[this.m_iterNdx]] + ); + this.draw(s.testCases[s.iterations[this.m_iterNdx]], seed); + this.m_state = es3fTransformFeedbackTests.State.VERIFY; + break; + case es3fTransformFeedbackTests.State.VERIFY: + var verifyResult = this.verify(s.testCases[s.iterations[this.m_iterNdx]]); + if (verifyResult.retry) { + break; + } + this.m_testPassed = verifyResult.result; + this.m_iterNdx += 1; + if (this.m_testPassed && this.m_iterNdx < numIterations) { + this.m_state = es3fTransformFeedbackTests.State.DRAW; + break; + } + // Fall through + case es3fTransformFeedbackTests.State.FINISH: + if (!this.m_testPassed) testFailedOptions('Result comparison failed for iteration ' + s.iterations[this.m_iterNdx - 1], false); + else testPassedOptions('Result comparison succeeded', true); + return tcuTestCase.IterateResult.STOP; + } + + return tcuTestCase.IterateResult.CONTINUE; + + }; + + es3fTransformFeedbackTests.TransformFeedbackCase.prototype.draw = function(calls, seed) { + var _min = function(x, y) { return x < y ? x : y; }; + + var rnd = new deRandom.Random(seed); + var numInputs = 0; + var numOutputs = 0; + var width = gl.drawingBufferWidth; + var height = gl.drawingBufferHeight; + this.m_viewportW = _min(es3fTransformFeedbackTests.VIEWPORT_WIDTH, width); + this.m_viewportH = _min(es3fTransformFeedbackTests.VIEWPORT_HEIGHT, height); + this.m_viewportX = rnd.getInt(0, width - this.m_viewportW); + this.m_viewportY = rnd.getInt(0, height - this.m_viewportH); + this.m_frameWithTf = new tcuSurface.Surface(this.m_viewportW, this.m_viewportH); // tcu::Surface + this.m_frameWithoutTf = new tcuSurface.Surface(this.m_viewportW, this.m_viewportH); // tcu::Surface + this.m_primitiveQuery = gl.createQuery(); + this.m_outputsOk = true; + + // Compute totals. + for (var i = 0; i < calls.length; ++i) { + var call = calls[i]; + numInputs += call.numElements; + numOutputs += call.transformFeedbackEnabled ? es3fTransformFeedbackTests.getTransformFeedbackOutputCount(this.m_primitiveType, call.numElements) : 0; + } + + // Input data. + var inputData = es3fTransformFeedbackTests.genInputData(this.m_attributes, numInputs, this.m_inputStride, rnd); + + gl.bindTransformFeedback(gl.TRANSFORM_FEEDBACK, this.m_transformFeedback); + + // Allocate storage for transform feedback output buffers and bind to targets. + for (var bufNdx = 0; bufNdx < this.m_outputBuffers.length; ++bufNdx) { + var buffer = this.m_outputBuffers[bufNdx]; // deUint32 + var stride = this.m_bufferStrides[bufNdx]; // int + var target = bufNdx; // int + var size = stride * numOutputs; // int + var guardSize = stride * es3fTransformFeedbackTests.BUFFER_GUARD_MULTIPLIER; // int + var usage = gl.DYNAMIC_READ; // const deUint32 + + gl.bindBuffer(gl.TRANSFORM_FEEDBACK_BUFFER, buffer); + gl.bufferData(gl.TRANSFORM_FEEDBACK_BUFFER, size + guardSize, usage); + es3fTransformFeedbackTests.writeBufferGuard(gl.TRANSFORM_FEEDBACK_BUFFER, size, guardSize); + + // \todo [2012-07-30 pyry] glBindBufferRange()? + gl.bindBufferBase(gl.TRANSFORM_FEEDBACK_BUFFER, target, buffer); + } + + var attribBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, attribBuffer); + gl.bufferData(gl.ARRAY_BUFFER, inputData, gl.STATIC_DRAW); + + // Setup attributes. + for (var i = 0; i < this.m_attributes.length; ++i) { + var attrib = this.m_attributes[i]; + var loc = gl.getAttribLocation(this.m_program.getProgram(), attrib.name); + /** @type {string} */ + var scalarType = gluShaderUtil.getDataTypeScalarType(attrib.type.getBasicType()); + /** @type {number} */ + var numComponents = gluShaderUtil.getDataTypeScalarSize(attrib.type.getBasicType()); + + if (loc >= 0) { + gl.enableVertexAttribArray(loc); + switch (scalarType) { + case 'float': + gl.vertexAttribPointer(loc, numComponents, gl.FLOAT, false, this.m_inputStride, attrib.offset); break; + case 'int': + gl.vertexAttribIPointer(loc, numComponents, gl.INT, this.m_inputStride, attrib.offset); break; + case 'uint': + gl.vertexAttribIPointer(loc, numComponents, gl.UNSIGNED_INT, this.m_inputStride, attrib.offset); break; + } + } + } + + // Setup viewport. + gl.viewport(this.m_viewportX, this.m_viewportY, this.m_viewportW, this.m_viewportH); + + // Setup program. + gl.useProgram(this.m_program.getProgram()); + + gl.uniform4fv( + gl.getUniformLocation(this.m_program.getProgram(), 'u_scale'), + [0.01, 0.01, 0.01, 0.01] + ); + gl.uniform4fv( + gl.getUniformLocation(this.m_program.getProgram(), 'u_bias'), + [0.5, 0.5, 0.5, 0.5] + ); + + // Enable query. + gl.beginQuery(gl.TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN, this.m_primitiveQuery); + + // Draw + var offset = 0; + var tfEnabled = true; + + gl.clear(gl.COLOR_BUFFER_BIT); + + var tfPrimitiveMode = es3fTransformFeedbackTests.getTransformFeedbackPrimitiveMode(this.m_primitiveType); + gl.beginTransformFeedback(tfPrimitiveMode); + + for (var i = 0; i < calls.length; ++i) { + var call = calls[i]; + + // Pause or resume transform feedback if necessary. + if (call.transformFeedbackEnabled != tfEnabled) { + if (call.transformFeedbackEnabled) + gl.resumeTransformFeedback(); + else + gl.pauseTransformFeedback(); + tfEnabled = call.transformFeedbackEnabled; + } + + gl.drawArrays(gluDrawUtil.getPrimitiveGLType(gl, this.m_primitiveType), offset, call.numElements); + offset += call.numElements; + } + + // Resume feedback before finishing it. + if (!tfEnabled) + gl.resumeTransformFeedback(); + + gl.endTransformFeedback(); + + gl.endQuery(gl.TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN); + + // Check and log query status right after submit + var query = this.m_primitiveQuery; + + var available = gl.getQueryParameter(query, gl.QUERY_RESULT_AVAILABLE); + + if (available) { + this.m_testPassed = false; + this.m_state = es3fTransformFeedbackTests.State.FINISH; + testFailedOptions('Transform feedback query result must not be available the same frame as they are issued.', true); + } + + // Compare result buffers. + for (var bufferNdx = 0; bufferNdx < this.m_outputBuffers.length; ++bufferNdx) { + var stride = this.m_bufferStrides[bufferNdx]; // int + var size = stride * numOutputs; // int + var guardSize = stride * es3fTransformFeedbackTests.BUFFER_GUARD_MULTIPLIER; // int + var buffer = new ArrayBuffer(size + guardSize); // const void* + + // Bind buffer for reading. + gl.bindBuffer(gl.TRANSFORM_FEEDBACK_BUFFER, this.m_outputBuffers[bufferNdx]); + + gl.getBufferSubData(gl.TRANSFORM_FEEDBACK_BUFFER, 0, new Uint8Array(buffer)); + + // Verify all output variables that are written to this buffer. + for (var i = 0; i < this.m_transformFeedbackOutputs.length; ++i) { + var out = this.m_transformFeedbackOutputs[i]; + + if (out.bufferNdx != bufferNdx) + continue; + + var inputOffset = 0; + var outputOffset = 0; + + // Process all draw calls and check ones with transform feedback enabled + for (var callNdx = 0; callNdx < calls.length; ++callNdx) { + var call = calls[callNdx]; + + if (call.transformFeedbackEnabled) { + var inputPtr = inputData[0] + inputOffset * this.m_inputStride; // const deUint8* + var outputPtr = outputOffset * stride; // const deUint8* + + if (!es3fTransformFeedbackTests.compareTransformFeedbackOutput(this.m_primitiveType, out, call.numElements, { + input: { + buffer: inputData, + offset: inputOffset * this.m_inputStride, + stride: this.m_inputStride + }, + output: { + buffer: buffer, + offset: outputOffset * stride, + stride: stride + } + })) { + this.m_outputsOk = false; + break; + } + } + + inputOffset += call.numElements; + outputOffset += call.transformFeedbackEnabled ? es3fTransformFeedbackTests.getTransformFeedbackOutputCount(this.m_primitiveType, call.numElements) : 0; + } + } + + // Verify guardband. + if (!es3fTransformFeedbackTests.verifyGuard(buffer, size)) { + bufferedLogToConsole('Error: Transform feedback buffer overrun detected'); + this.m_outputsOk = false; + } + } + }; + + es3fTransformFeedbackTests.TransformFeedbackCase.prototype.verify = function(calls) { + // Check status after mapping buffers. + var mustBeReady = this.m_outputBuffers.length > 0; // Mapping buffer forces synchronization. // const bool + var expectedCount = es3fTransformFeedbackTests.computeTransformFeedbackPrimitiveCount(this.m_primitiveType, calls); // const int + var available = /** @type {boolean} */ (gl.getQueryParameter(this.m_primitiveQuery, gl.QUERY_RESULT_AVAILABLE)); + var verify_offset = 0; + var queryOk = true; + if (!available) { + if (!this.m_verifyStart) + this.m_verifyStart = new Date(); + else { + var current = new Date(); + var elapsedTime = 0.001 * (current.getTime() - this.m_verifyStart.getTime()); + if (elapsedTime > es3fTransformFeedbackTests.MAX_VERIFY_WAIT) { + testFailed('Query result not available after ' + elapsedTime + ' seconds.'); + this.m_state = es3fTransformFeedbackTests.State.FINISH; + return this.createVerificationResult(false, false); + } + } + return this.createVerificationResult(true, false); + } + + var numPrimitives = /** @type {number} */ (gl.getQueryParameter(this.m_primitiveQuery, gl.QUERY_RESULT)); + + if (!mustBeReady && available == false) + bufferedLogToConsole('ERROR: gl.TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN result not available after mapping buffers!'); + + bufferedLogToConsole('gl.TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN = ' + numPrimitives); + + if (numPrimitives != expectedCount) { + queryOk = false; + bufferedLogToConsole('ERROR: Expected ' + expectedCount + ' primitives!'); + } + + // Clear transform feedback state. + gl.bindTransformFeedback(gl.TRANSFORM_FEEDBACK, null); + for (var bufNdx = 0; bufNdx < this.m_outputBuffers.length; ++bufNdx) { + gl.bindBuffer(gl.TRANSFORM_FEEDBACK_BUFFER, null); + gl.bindBufferBase(gl.TRANSFORM_FEEDBACK_BUFFER, bufNdx, null); + } + + gl.bindBuffer(gl.ARRAY_BUFFER, null); + + // Read back rendered image. + this.m_frameWithTf.readViewport(gl, [this.m_viewportX, this.m_viewportY, this.m_viewportW, this.m_viewportH]); + + // Render without transform feedback. + + gl.clear(gl.COLOR_BUFFER_BIT); + + for (var i = 0; i < calls.length; ++i) { + var call = calls[i]; + gl.drawArrays(gluDrawUtil.getPrimitiveGLType(gl, this.m_primitiveType), verify_offset, call.numElements); + verify_offset += call.numElements; + } + this.m_frameWithoutTf.readViewport(gl, [this.m_viewportX, this.m_viewportY, this.m_viewportW, this.m_viewportH]); + + // Compare images with and without transform feedback. + var imagesOk = tcuImageCompare.pixelThresholdCompare('Result', 'Image comparison result', this.m_frameWithoutTf, this.m_frameWithTf, [1, 1, 1, 1], tcuImageCompare.CompareLogMode.ON_ERROR); + + if (imagesOk) + bufferedLogToConsole('Rendering result comparison between TF enabled and TF disabled passed.'); + else + bufferedLogToConsole('ERROR: Rendering result comparison between TF enabled and TF disabled failed!'); + + return this.createVerificationResult(false, this.m_outputsOk && imagesOk && queryOk); + + }; + + es3fTransformFeedbackTests.dc = function(numElements, tfEnabled) { + return new es3fTransformFeedbackTests.DrawCall(numElements, tfEnabled); + }; + + // static data + es3fTransformFeedbackTests.TransformFeedbackCase.s_iterate = { + + testCases: { + elemCount1: [es3fTransformFeedbackTests.dc(1, true)], + elemCount2: [es3fTransformFeedbackTests.dc(2, true)], + elemCount3: [es3fTransformFeedbackTests.dc(3, true)], + elemCount4: [es3fTransformFeedbackTests.dc(4, true)], + elemCount123: [es3fTransformFeedbackTests.dc(123, true)], + basicPause1: [es3fTransformFeedbackTests.dc(64, true), es3fTransformFeedbackTests.dc(64, false), es3fTransformFeedbackTests.dc(64, true)], + basicPause2: [es3fTransformFeedbackTests.dc(13, true), es3fTransformFeedbackTests.dc(5, true), es3fTransformFeedbackTests.dc(17, false), + es3fTransformFeedbackTests.dc(3, true), es3fTransformFeedbackTests.dc(7, false)], + startPaused: [es3fTransformFeedbackTests.dc(123, false), es3fTransformFeedbackTests.dc(123, true)], + random1: [es3fTransformFeedbackTests.dc(65, true), es3fTransformFeedbackTests.dc(135, false), es3fTransformFeedbackTests.dc(74, true), + es3fTransformFeedbackTests.dc(16, false), es3fTransformFeedbackTests.dc(226, false), es3fTransformFeedbackTests.dc(9, true), + es3fTransformFeedbackTests.dc(174, false)], + random2: [es3fTransformFeedbackTests.dc(217, true), es3fTransformFeedbackTests.dc(171, true), es3fTransformFeedbackTests.dc(147, true), + es3fTransformFeedbackTests.dc(152, false), es3fTransformFeedbackTests.dc(55, true)] + }, + iterations: [ + 'elemCount1', 'elemCount2', 'elemCount3', 'elemCount4', 'elemCount123', + 'basicPause1', 'basicPause2', 'startPaused', + 'random1', 'random2' + ] + }; + + es3fTransformFeedbackTests.hasArraysInTFVaryings = function(spec) { + + for (var i = 0; i < spec.getTransformFeedbackVaryings().length; ++i) { + var tfVar = spec.getTransformFeedbackVaryings()[i]; + var varName = gluVarTypeUtil.parseVariableName(tfVar); + + var attr = es3fTransformFeedbackTests.findAttributeNameEquals(spec.getVaryings(), varName); + if (attr && attr.type.isArrayType()) + return true; + } + return false; + + }; + + /** es3fTransformFeedbackTests.PositionCase + * @extends {es3fTransformFeedbackTests.TransformFeedbackCase} + * @param {string} name + * @param {string} desc + * @param {number} bufferMode + * @param {gluDrawUtil.primitiveType} primitiveType GLenum that specifies what kind of primitive is + * @constructor + */ + es3fTransformFeedbackTests.PositionCase = function(name, desc, bufferMode, primitiveType) { + es3fTransformFeedbackTests.TransformFeedbackCase.call(this, name, desc, bufferMode, primitiveType); + this.m_progSpec.addTransformFeedbackVarying('gl_Position'); + }; + + setParentClass(es3fTransformFeedbackTests.PositionCase, es3fTransformFeedbackTests.TransformFeedbackCase); + + /** es3fTransformFeedbackTests.PointSizeCase + * @extends {es3fTransformFeedbackTests.TransformFeedbackCase} + * @param {string} name + * @param {string} desc + * @param {number} bufferMode + * @param {gluDrawUtil.primitiveType} primitiveType GLenum that specifies what kind of primitive is + * @constructor + */ + es3fTransformFeedbackTests.PointSizeCase = function(name, desc, bufferMode, primitiveType) { + es3fTransformFeedbackTests.TransformFeedbackCase.call(this, name, desc, bufferMode, primitiveType); + this.m_progSpec.addTransformFeedbackVarying('gl_PointSize'); + + }; + + setParentClass(es3fTransformFeedbackTests.PointSizeCase, es3fTransformFeedbackTests.TransformFeedbackCase); + + /** es3fTransformFeedbackTests.BasicTypeCase + * @extends {es3fTransformFeedbackTests.TransformFeedbackCase} + * @param {string} name + * @param {string} desc + * @param {number} bufferMode + * @param {gluDrawUtil.primitiveType} primitiveType GLenum that specifies what kind of primitive is + * @param {gluShaderUtil.DataType} type + * @param {gluShaderUtil.precision} precision + * @param {es3fTransformFeedbackTests.interpolation} interpolation enum number in this javascript + * @constructor + */ + es3fTransformFeedbackTests.BasicTypeCase = function(name, desc, bufferMode, primitiveType, type, precision, interpolation) { + es3fTransformFeedbackTests.TransformFeedbackCase.call(this, name, desc, bufferMode, primitiveType); + + this.m_progSpec.addVarying('v_varA', gluVarType.newTypeBasic(type, precision), interpolation); + this.m_progSpec.addVarying('v_varB', gluVarType.newTypeBasic(type, precision), interpolation); + + this.m_progSpec.addTransformFeedbackVarying('v_varA'); + this.m_progSpec.addTransformFeedbackVarying('v_varB'); + + }; + + setParentClass(es3fTransformFeedbackTests.BasicTypeCase, es3fTransformFeedbackTests.TransformFeedbackCase); + + /** es3fTransformFeedbackTests.BasicArrayCase + * @extends {es3fTransformFeedbackTests.TransformFeedbackCase} + * @param {string} name + * @param {string} desc + * @param {number} bufferMode + * @param {gluDrawUtil.primitiveType} primitiveType GLenum that specifies what kind of primitive is + * @param {gluShaderUtil.DataType} type + * @param {gluShaderUtil.precision} precision + * @param {es3fTransformFeedbackTests.interpolation} interpolation enum number in this javascript + * @constructor + */ + es3fTransformFeedbackTests.BasicArrayCase = function(name, desc, bufferMode, primitiveType, type, precision, interpolation) { + es3fTransformFeedbackTests.TransformFeedbackCase.call(this, name, desc, bufferMode, primitiveType); + + if (gluShaderUtil.isDataTypeMatrix(type) || this.m_bufferMode === gl.SEPARATE_ATTRIBS) { + // note For matrix types we need to use reduced array sizes or otherwise we will exceed maximum attribute (16) + // or transform feedback component es3fTransformFeedbackTests.count (64). + // On separate attribs mode maximum component es3fTransformFeedbackTests.count per varying is 4. + this.m_progSpec.addVarying('v_varA', gluVarType.newTypeArray(gluVarType.newTypeBasic(type, precision), 1), interpolation); + this.m_progSpec.addVarying('v_varB', gluVarType.newTypeArray(gluVarType.newTypeBasic(type, precision), 2), interpolation); + } else { + this.m_progSpec.addVarying('v_varA', gluVarType.newTypeArray(gluVarType.newTypeBasic(type, precision), 3), interpolation); + this.m_progSpec.addVarying('v_varB', gluVarType.newTypeArray(gluVarType.newTypeBasic(type, precision), 4), interpolation); + } + + this.m_progSpec.addTransformFeedbackVarying('v_varA'); + this.m_progSpec.addTransformFeedbackVarying('v_varB'); + + }; + + setParentClass(es3fTransformFeedbackTests.BasicArrayCase, es3fTransformFeedbackTests.TransformFeedbackCase); + + /** es3fTransformFeedbackTests.ArrayElementCase + * @extends {es3fTransformFeedbackTests.TransformFeedbackCase} + * @param {string} name + * @param {string} desc + * @param {number} bufferMode + * @param {gluDrawUtil.primitiveType} primitiveType GLenum that specifies what kind of primitive is + * @param {gluShaderUtil.DataType} type + * @param {gluShaderUtil.precision} precision + * @param {es3fTransformFeedbackTests.interpolation} interpolation enum number in this javascript + * @constructor + */ + es3fTransformFeedbackTests.ArrayElementCase = function(name, desc, bufferMode, primitiveType, type, precision, interpolation) { + + es3fTransformFeedbackTests.TransformFeedbackCase.call(this, name, desc, bufferMode, primitiveType); + + this.m_progSpec.addVarying('v_varA', gluVarType.newTypeArray(gluVarType.newTypeBasic(type, precision), 3), interpolation); + this.m_progSpec.addVarying('v_varB', gluVarType.newTypeArray(gluVarType.newTypeBasic(type, precision), 4), interpolation); + + this.m_progSpec.addTransformFeedbackVarying('v_varA[1]'); + this.m_progSpec.addTransformFeedbackVarying('v_varB[0]'); + this.m_progSpec.addTransformFeedbackVarying('v_varB[3]'); + + }; + + setParentClass(es3fTransformFeedbackTests.ArrayElementCase, es3fTransformFeedbackTests.TransformFeedbackCase); + + /** es3fTransformFeedbackTests.RandomCase + * @extends {es3fTransformFeedbackTests.TransformFeedbackCase} + * @param {string} name + * @param {string} desc + * @param {number} bufferMode + * @param {gluDrawUtil.primitiveType} primitiveType GLenum that specifies what kind of primitive is + * @param {number} seed + * @constructor + */ + es3fTransformFeedbackTests.RandomCase = function(name, desc, bufferMode, primitiveType, seed) { + es3fTransformFeedbackTests.TransformFeedbackCase.call(this, name, desc, bufferMode, primitiveType); + + }; + + setParentClass(es3fTransformFeedbackTests.RandomCase, es3fTransformFeedbackTests.TransformFeedbackCase); + + es3fTransformFeedbackTests.RandomCase.prototype.init = function() { + + /** @type {number} */ + var seed = /*deString.deStringHash(getName()) ^ */ deMath.deMathHash(this.m_iterNdx); + + /** @type {Array<gluShaderUtil.DataType>} */ + var typeCandidates = [ + gluShaderUtil.DataType.FLOAT, + gluShaderUtil.DataType.FLOAT_VEC2, + gluShaderUtil.DataType.FLOAT_VEC3, + gluShaderUtil.DataType.FLOAT_VEC4, + gluShaderUtil.DataType.INT, + gluShaderUtil.DataType.INT_VEC2, + gluShaderUtil.DataType.INT_VEC3, + gluShaderUtil.DataType.INT_VEC4, + gluShaderUtil.DataType.UINT, + gluShaderUtil.DataType.UINT_VEC2, + gluShaderUtil.DataType.UINT_VEC3, + gluShaderUtil.DataType.UINT_VEC4, + + gluShaderUtil.DataType.FLOAT_MAT2, + gluShaderUtil.DataType.FLOAT_MAT2X3, + gluShaderUtil.DataType.FLOAT_MAT2X4, + + gluShaderUtil.DataType.FLOAT_MAT3X2, + gluShaderUtil.DataType.FLOAT_MAT3, + gluShaderUtil.DataType.FLOAT_MAT3X4, + + gluShaderUtil.DataType.FLOAT_MAT4X2, + gluShaderUtil.DataType.FLOAT_MAT4X3, + gluShaderUtil.DataType.FLOAT_MAT4 + ]; + + /** @type {Array<gluShaderUtil.precision>} */ + var precisions = [ + gluShaderUtil.precision.PRECISION_LOWP, + gluShaderUtil.precision.PRECISION_MEDIUMP, + gluShaderUtil.precision.PRECISION_HIGHP + ]; + + var interpModes = [{name: 'smooth', interp: es3fTransformFeedbackTests.interpolation.SMOOTH}, {name: 'flat', interp: es3fTransformFeedbackTests.interpolation.FLAT}, {name: 'centroid', interp: es3fTransformFeedbackTests.interpolation.CENTROID} + ]; + + /** @type {number} */ var maxAttributeVectors = 16; + //** @type {number} */ var maxTransformFeedbackComponents = 64; // note It is enough to limit attribute set size. + /** @type {boolean} */ var isSeparateMode = (this.m_bufferMode === gl.SEPARATE_ATTRIBS); + /** @type {number} */ var maxTransformFeedbackVars = isSeparateMode ? 4 : maxAttributeVectors; + /** @type {number} */ var arrayWeight = 0.3; + /** @type {number} */ var positionWeight = 0.7; + /** @type {number} */ var pointSizeWeight = 0.1; + /** @type {number} */ var captureFullArrayWeight = 0.5; + + /** @type {deRandom.Random} */ + var rnd = new deRandom.Random(seed); + /** @type {boolean} */ var usePosition = rnd.getFloat() < positionWeight; + /** @type {boolean} */ var usePointSize = rnd.getFloat() < pointSizeWeight; + /** @type {number} */ var numAttribVectorsToUse = rnd.getInt( + 1, maxAttributeVectors - 1/*position*/ - (usePointSize ? 1 : 0) + ); + + /** @type {number} */ var numAttributeVectors = 0; + /** @type {number} */ var varNdx = 0; + + // Generate varyings. + while (numAttributeVectors < numAttribVectorsToUse) { + /** @type {number} */ + var maxVecs = isSeparateMode ? Math.min(2 /*at most 2*mat2*/, numAttribVectorsToUse - numAttributeVectors) : numAttribVectorsToUse - numAttributeVectors; + /** @type {gluShaderUtil.DataType} */ + var begin = typeCandidates[0]; + /** @type {number} */ + var endCandidates = begin + ( + maxVecs >= 4 ? 21 : ( + maxVecs >= 3 ? 18 : ( + maxVecs >= 2 ? (isSeparateMode ? 13 : 15) : 12 + ) + ) + ); + /** @type {gluShaderUtil.DataType} */ + var end = typeCandidates[endCandidates]; + + /** @type {gluShaderUtil.DataType} */ + var type = rnd.choose(typeCandidates)[0]; + + /** @type {gluShaderUtil.precision} */ + var precision = rnd.choose(precisions)[0]; + + /** @type {es3fTransformFeedbackTests.interpolation} */ + var interp = (type === gluShaderUtil.DataType.FLOAT) ? + rnd.choose(interpModes)[0].interp : + es3fTransformFeedbackTests.interpolation.FLAT; + + /** @type {number} */ + var numVecs = gluShaderUtil.isDataTypeMatrix(type) ? gluShaderUtil.getDataTypeMatrixNumColumns(type) : 1; + /** @type {number} */ + var numComps = gluShaderUtil.getDataTypeScalarSize(type); + /** @type {number} */ + var maxArrayLen = Math.max(1, isSeparateMode ? (4 / numComps) : (maxVecs / numVecs)); + /** @type {boolean} */ + var useArray = rnd.getFloat() < arrayWeight; + /** @type {number} */ + var arrayLen = useArray ? rnd.getInt(1, maxArrayLen) : 1; + /** @type {string} */ + var name = 'v_var' + varNdx; + + if (useArray) + this.m_progSpec.addVarying(name, gluVarType.newTypeArray(gluVarType.newTypeBasic(type, precision), arrayLen), interp); + else + this.m_progSpec.addVarying(name, gluVarType.newTypeBasic(type, precision), interp); + + numAttributeVectors += arrayLen * numVecs; + varNdx += 1; + } + + // Generate transform feedback candidate set. + /** @type {Array<string>} */ var tfCandidates = []; + + if (usePosition) tfCandidates.push('gl_Position'); + if (usePointSize) tfCandidates.push('gl_PointSize'); + + for (var ndx = 0; ndx < varNdx; ndx++) { + /** @type {es3fTransformFeedbackTests.Varying} */ + var varying = this.m_progSpec.getVaryings()[ndx]; + + if (varying.type.isArrayType()) { + /** @type {boolean} */ + var captureFull = rnd.getFloat() < captureFullArrayWeight; + + if (captureFull) { + tfCandidates.push(varying.name); + } else { + /** @type {number} */ + var numElem = varying.type.getArraySize(); + for (var elemNdx = 0; elemNdx < numElem; elemNdx++) + tfCandidates.push(varying.name + '[' + elemNdx + ']'); + } + } else + tfCandidates.push(varying.name); + } + + // Pick random selection. + var tfVaryings = []; + rnd.choose(tfCandidates, tfVaryings, Math.min(tfCandidates.length, maxTransformFeedbackVars)); + rnd.shuffle(tfVaryings); + for (var i = 0; i < tfVaryings.length; i++) + this.m_progSpec.addTransformFeedbackVarying(tfVaryings[i]); + + es3fTransformFeedbackTests.TransformFeedbackCase.prototype.init.call(this); + + }; + + /** + * Creates the test in order to be executed + **/ + es3fTransformFeedbackTests.init = function() { + + /** @const @type {tcuTestCase.DeqpTest} */ + var testGroup = tcuTestCase.runner.testCases; + + var bufferModes = [{name: 'separate', mode: gl.SEPARATE_ATTRIBS}, {name: 'interleaved', mode: gl.INTERLEAVED_ATTRIBS} + ]; + + var primitiveTypes = [{name: 'points', type: gluDrawUtil.primitiveType.POINTS}, {name: 'lines', type: gluDrawUtil.primitiveType.LINES}, {name: 'triangles', type: gluDrawUtil.primitiveType.TRIANGLES} + ]; + + /** @type {Array<gluShaderUtil.DataType>} */ + var basicTypes = [ + gluShaderUtil.DataType.FLOAT, + gluShaderUtil.DataType.FLOAT_VEC2, + gluShaderUtil.DataType.FLOAT_VEC3, + gluShaderUtil.DataType.FLOAT_VEC4, + gluShaderUtil.DataType.FLOAT_MAT2, + gluShaderUtil.DataType.FLOAT_MAT2X3, + gluShaderUtil.DataType.FLOAT_MAT2X4, + gluShaderUtil.DataType.FLOAT_MAT3X2, + gluShaderUtil.DataType.FLOAT_MAT3, + gluShaderUtil.DataType.FLOAT_MAT3X4, + gluShaderUtil.DataType.FLOAT_MAT4X2, + gluShaderUtil.DataType.FLOAT_MAT4X3, + gluShaderUtil.DataType.FLOAT_MAT4, + gluShaderUtil.DataType.INT, + gluShaderUtil.DataType.INT_VEC2, + gluShaderUtil.DataType.INT_VEC3, + gluShaderUtil.DataType.INT_VEC4, + gluShaderUtil.DataType.UINT, + gluShaderUtil.DataType.UINT_VEC2, + gluShaderUtil.DataType.UINT_VEC3, + gluShaderUtil.DataType.UINT_VEC4 + ]; + + /** @type {Array<gluShaderUtil.precision>} */ + var precisions = [ + + gluShaderUtil.precision.PRECISION_LOWP, + gluShaderUtil.precision.PRECISION_MEDIUMP, + gluShaderUtil.precision.PRECISION_HIGHP + + // glsUBC.UniformFlags.PRECISION_LOW, + // glsUBC.UniformFlags.PRECISION_MEDIUM, + // glsUBC.UniformFlags.PRECISION_HIGH + ]; + + var interpModes = [{name: 'smooth', interp: es3fTransformFeedbackTests.interpolation.SMOOTH}, {name: 'flat', interp: es3fTransformFeedbackTests.interpolation.FLAT}, {name: 'centroid', interp: es3fTransformFeedbackTests.interpolation.CENTROID} + ]; + + // .position + /** @type {tcuTestCase.DeqpTest} */ + var positionGroup = tcuTestCase.newTest('position', 'gl_Position capture using transform feedback'); + testGroup.addChild(positionGroup); + + for (var primitiveType = 0; primitiveType < primitiveTypes.length; primitiveType++) { + for (var bufferMode = 0; bufferMode < bufferModes.length; bufferMode++) { + /** @type {string} */ + var name = primitiveTypes[primitiveType].name + '_' + bufferModes[bufferMode].name; + + positionGroup.addChild(new es3fTransformFeedbackTests.PositionCase( + name, + '', + bufferModes[bufferMode].mode, + primitiveTypes[primitiveType].type + )); + } + } + + // .point_size + /** @type {tcuTestCase.DeqpTest} */ var pointSizeGroup = tcuTestCase.newTest('point_size', 'gl_PointSize capture using transform feedback'); + testGroup.addChild(pointSizeGroup); + + for (var primitiveType = 0; primitiveType < primitiveTypes.length; primitiveType++) { + for (var bufferMode = 0; bufferMode < bufferModes.length; bufferMode++) { + var name = primitiveTypes[primitiveType].name + '_' + bufferModes[bufferMode].name; + + pointSizeGroup.addChild(new es3fTransformFeedbackTests.PointSizeCase( + name, + '', + bufferModes[bufferMode].mode, + primitiveTypes[primitiveType].type + )); + } + } + + // .basic_type + for (var bufferModeNdx = 0; bufferModeNdx < bufferModes.length; bufferModeNdx++) { + /** @type {number} */ + var bufferMode = bufferModes[bufferModeNdx].mode; + for (var primitiveTypeNdx = 0; primitiveTypeNdx < primitiveTypes.length; primitiveTypeNdx++) { + /** @type {tcuTestCase.DeqpTest} */ + var primitiveGroup = tcuTestCase.newTest( + 'basic_types.' + bufferModes[bufferModeNdx].name + '.' + primitiveTypes[primitiveTypeNdx].name, + 'Basic types in transform feedback'); + /** @type {number} */ + var primitiveType = primitiveTypes[primitiveTypeNdx].type; + testGroup.addChild(primitiveGroup); + + for (var typeNdx = 0; typeNdx < basicTypes.length; typeNdx++) { + /** @type {gluShaderUtil.DataType} */ + var type = basicTypes[typeNdx]; + /** @type {boolean} */ + var isFloat = gluShaderUtil.getDataTypeScalarType(type) == gluShaderUtil.DataType.FLOAT; + + for (var precNdx = 0; precNdx < precisions.length; precNdx++) { + /** @type {gluShaderUtil.precision} */ + var precision = precisions[precNdx]; + var name = gluShaderUtil.getPrecisionName(precision) + '_' + gluShaderUtil.getDataTypeName(type); + + primitiveGroup.addChild(new es3fTransformFeedbackTests.BasicTypeCase( + name, + '', + bufferMode, + primitiveType, + type, + precision, + isFloat ? es3fTransformFeedbackTests.interpolation.SMOOTH : es3fTransformFeedbackTests.interpolation.FLAT + )); + } + } + } + } + + // .array + for (var bufferModeNdx = 0; bufferModeNdx < bufferModes.length; bufferModeNdx++) { + var bufferMode = bufferModes[bufferModeNdx].mode; + for (var primitiveTypeNdx = 0; primitiveTypeNdx < primitiveTypes.length; primitiveTypeNdx++) { + var primitiveGroup = tcuTestCase.newTest( + 'array.' + bufferModes[bufferModeNdx].name + '.' + primitiveTypes[primitiveTypeNdx].name, + 'Capturing whole array in TF'); + /** @type {number} */ + var primitiveType = primitiveTypes[primitiveTypeNdx].type; + testGroup.addChild(primitiveGroup); + + for (var typeNdx = 0; typeNdx < basicTypes.length; typeNdx++) { + var type = basicTypes[typeNdx]; + var isFloat = gluShaderUtil.getDataTypeScalarType(type) == gluShaderUtil.DataType.FLOAT; + + for (var precNdx = 0; precNdx < precisions.length; precNdx++) { + var precision = precisions[precNdx]; + var name = gluShaderUtil.getPrecisionName(precision) + '_' + gluShaderUtil.getDataTypeName(type); + + primitiveGroup.addChild(new es3fTransformFeedbackTests.BasicArrayCase( + name, + '', + bufferMode, + primitiveType, + type, + precision, + isFloat ? es3fTransformFeedbackTests.interpolation.SMOOTH : es3fTransformFeedbackTests.interpolation.FLAT + )); + } + } + } + } + + // .array_element + for (var bufferModeNdx = 0; bufferModeNdx < bufferModes.length; bufferModeNdx++) { + var bufferMode = bufferModes[bufferModeNdx].mode; + for (var primitiveTypeNdx = 0; primitiveTypeNdx < primitiveTypes.length; primitiveTypeNdx++) { + var primitiveGroup = tcuTestCase.newTest( + 'array_element.' + bufferModes[bufferModeNdx].name + '.' + primitiveTypes[primitiveTypeNdx].name, + 'Capturing single array element in TF'); + var primitiveType = primitiveTypes[primitiveTypeNdx].type; + testGroup.addChild(primitiveGroup); + + for (var typeNdx = 0; typeNdx < basicTypes.length; typeNdx++) { + var type = basicTypes[typeNdx]; + var isFloat = gluShaderUtil.getDataTypeScalarType(type) == gluShaderUtil.DataType.FLOAT; + + for (var precNdx = 0; precNdx < precisions.length; precNdx++) { + var precision = precisions[precNdx]; + var name = gluShaderUtil.getPrecisionName(precision) + '_' + gluShaderUtil.getDataTypeName(type); + + primitiveGroup.addChild(new es3fTransformFeedbackTests.ArrayElementCase( + name, + '', + bufferMode, + primitiveType, + type, + precision, + isFloat ? es3fTransformFeedbackTests.interpolation.SMOOTH : es3fTransformFeedbackTests.interpolation.FLAT + )); + } + } + } + } + + // .interpolation + for (var modeNdx = 0; modeNdx < interpModes.length; modeNdx++) { + var interp = interpModes[modeNdx].interp; + var modeGroup = tcuTestCase.newTest( + 'interpolation.' + interpModes[modeNdx].name, + 'Different interpolation modes in transform feedback varyings'); + testGroup.addChild(modeGroup); + + for (var precNdx = 0; precNdx < precisions.length; precNdx++) { + var precision = precisions[precNdx]; + + for (var primitiveType = 0; primitiveType < primitiveTypes.length; primitiveType++) { + for (var bufferMode = 0; bufferMode < bufferModes.length; bufferMode++) { + var name = ( + gluShaderUtil.getPrecisionName(precision) + + '_vec4_' + primitiveTypes[primitiveType].name + + '_' + bufferModes[bufferMode].name + ); + + modeGroup.addChild(new es3fTransformFeedbackTests.BasicTypeCase( + name, + '', + bufferModes[bufferMode].mode, + primitiveTypes[primitiveType].type, + gluShaderUtil.DataType.FLOAT_VEC4, + precision, + interp + )); + } + } + } + } + + // .random + for (var bufferModeNdx = 0; bufferModeNdx < bufferModes.length; bufferModeNdx++) { + /** @type {number} */ + var bufferMode = bufferModes[bufferModeNdx].mode; + for (var primitiveTypeNdx = 0; primitiveTypeNdx < primitiveTypes.length; primitiveTypeNdx++) { + var primitiveGroup = tcuTestCase.newTest( + 'random.' + bufferModes[bufferModeNdx].name + '.' + primitiveTypes[primitiveTypeNdx].name, + 'Randomized transform feedback cases'); + /** @type {number} */ + var primitiveType = primitiveTypes[primitiveTypeNdx].type; + testGroup.addChild(primitiveGroup); + + for (var ndx = 0; ndx < 10; ndx++) { + /** @type {number} */ + var seed = deMath.deMathHash(bufferMode) ^ deMath.deMathHash(primitiveType) ^ deMath.deMathHash(ndx); + + primitiveGroup.addChild(new es3fTransformFeedbackTests.RandomCase( + (ndx + 1).toString(), + '', + bufferMode, + primitiveType, + seed + )); + } + } + } + + }; + + /** + * Create and execute the test cases + */ + es3fTransformFeedbackTests.run = function(context, range) { + gl = context; + var testName = 'transform_feedback'; + var testDescription = 'Transform Feedback Tests'; + var state = tcuTestCase.runner; + + state.testName = testName; + state.testCases = tcuTestCase.newTest(testName, testDescription, null); + + //Set up name and description of this test series. + setCurrentTestName(testName); + description(testDescription); + try { + es3fTransformFeedbackTests.init(); + if (range) + state.setRange(range); + tcuTestCase.runTestCases(); + } catch (err) { + bufferedLogToConsole(err); + tcuTestCase.runner.terminate(); + } + + }; + +}); |