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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-conf/checkout/deqp/functional/gles3/es3fShaderDerivateTests.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/deqp/functional/gles3/es3fShaderDerivateTests.js')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/deqp/functional/gles3/es3fShaderDerivateTests.js | 1696 |
1 files changed, 1696 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/deqp/functional/gles3/es3fShaderDerivateTests.js b/dom/canvas/test/webgl-conf/checkout/deqp/functional/gles3/es3fShaderDerivateTests.js new file mode 100644 index 0000000000..9c859c296f --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/deqp/functional/gles3/es3fShaderDerivateTests.js @@ -0,0 +1,1696 @@ +/*------------------------------------------------------------------------- + * 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.es3fShaderDerivateTests'); +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.gluPixelTransfer'); +goog.require('framework.opengl.gluShaderProgram'); +goog.require('framework.opengl.gluShaderUtil'); +goog.require('framework.opengl.gluTexture'); +goog.require('framework.opengl.gluTextureUtil'); +goog.require('framework.common.tcuInterval'); +goog.require('framework.common.tcuFloat'); +goog.require('framework.common.tcuLogImage'); +goog.require('framework.common.tcuMatrix'); +goog.require('framework.common.tcuPixelFormat'); +goog.require('framework.common.tcuRGBA'); +goog.require('framework.common.tcuStringTemplate'); +goog.require('framework.common.tcuSurface'); +goog.require('framework.common.tcuTexture'); +goog.require('framework.common.tcuTextureUtil'); +goog.require('framework.common.tcuTestCase'); +goog.require('modules.shared.glsShaderRenderCase'); + +goog.scope(function() { + var es3fShaderDerivateTests = functional.gles3.es3fShaderDerivateTests; + var deMath = framework.delibs.debase.deMath; + var deRandom = framework.delibs.debase.deRandom; + var deString = framework.delibs.debase.deString; + var gluDrawUtil = framework.opengl.gluDrawUtil; + var gluPixelTransfer = framework.opengl.gluPixelTransfer; + var gluShaderProgram = framework.opengl.gluShaderProgram; + var gluShaderUtil = framework.opengl.gluShaderUtil; + var gluTexture = framework.opengl.gluTexture; + var gluTextureUtil = framework.opengl.gluTextureUtil; + var tcuInterval = framework.common.tcuInterval; + var tcuFloat = framework.common.tcuFloat; + var tcuLogImage = framework.common.tcuLogImage; + var tcuMatrix = framework.common.tcuMatrix; + var tcuPixelFormat = framework.common.tcuPixelFormat; + var tcuRGBA = framework.common.tcuRGBA; + var tcuStringTemplate = framework.common.tcuStringTemplate; + var tcuSurface = framework.common.tcuSurface; + var tcuTexture = framework.common.tcuTexture; + var tcuTextureUtil = framework.common.tcuTextureUtil; + var tcuTestCase = framework.common.tcuTestCase; + var glsShaderRenderCase = modules.shared.glsShaderRenderCase; + + /** @const {number} */ es3fShaderDerivateTests.VIEWPORT_WIDTH = 167; + /** @const {number} */ es3fShaderDerivateTests.VIEWPORT_HEIGHT = 103; + /** @const {number} */ es3fShaderDerivateTests.FBO_WIDTH = 99; + /** @const {number} */ es3fShaderDerivateTests.FBO_HEIGHT = 133; + /** @const {number} */ es3fShaderDerivateTests.MAX_FAILED_MESSAGES = 10; + /** @const {number} */ es3fShaderDerivateTests.INTERPOLATION_LOST_BITS = 3; // number mantissa of bits allowed to be lost in varying interpolation + /** + * @enum {number} + */ + es3fShaderDerivateTests.DerivateFunc = { + DFDX: 0, + DFDY: 1, + FWIDTH: 2 + }; + + /** + * @enum {number} + */ + es3fShaderDerivateTests.SurfaceType = { + DEFAULT_FRAMEBUFFER: 0, + UNORM_FBO: 1, + FLOAT_FBO: 2 // \note Uses RGBA32UI fbo actually, since FP rendertargets are not in core spec. + }; + + /** + * @enum {number} + */ + es3fShaderDerivateTests.VerificationLogging = { + LOG_ALL: 0, + LOG_NOTHING: 1 + }; + + /** + * @param {es3fShaderDerivateTests.DerivateFunc} func + * @return {string} + */ + es3fShaderDerivateTests.getDerivateFuncName = function(func) { + switch (func) { + case es3fShaderDerivateTests.DerivateFunc.DFDX: return 'dFdx'; + case es3fShaderDerivateTests.DerivateFunc.DFDY: return 'dFdy'; + case es3fShaderDerivateTests.DerivateFunc.FWIDTH: return 'fwidth'; + default: throw new Error('Derivate Func not supported.'); + } + }; + + /** + * @param {es3fShaderDerivateTests.DerivateFunc} func + * @return {string} + */ + es3fShaderDerivateTests.getDerivateFuncCaseName = function(func) { + switch (func) { + case es3fShaderDerivateTests.DerivateFunc.DFDX: return 'dfdx'; + case es3fShaderDerivateTests.DerivateFunc.DFDY: return 'dfdy'; + case es3fShaderDerivateTests.DerivateFunc.FWIDTH: return 'fwidth'; + default: throw new Error('Derivate Func not supported.'); + } + }; + + /** + * @param {?gluShaderUtil.DataType} type + * @return {Array<boolean>} + */ + es3fShaderDerivateTests.getDerivateMask = function(type) { + switch (type) { + case gluShaderUtil.DataType.FLOAT: return [true, false, false, false]; + case gluShaderUtil.DataType.FLOAT_VEC2: return [true, true, false, false]; + case gluShaderUtil.DataType.FLOAT_VEC3: return [true, true, true, false]; + case gluShaderUtil.DataType.FLOAT_VEC4: return [true, true, true, true]; + default: throw new Error('Data Type not supported.'); + } + }; + + /** + * @param {tcuTexture.ConstPixelBufferAccess} surface + * @param {Array<number>} derivScale + * @param {Array<number>} derivBias + * @param {number} x + * @param {number} y + * @return {Array<number>} + */ + es3fShaderDerivateTests.readDerivate = function(surface, derivScale, derivBias, x, y) { + return deMath.divide(deMath.subtract(surface.getPixel(x, y), derivBias), derivScale); + }; + + /** + * @param {Array<number>} v + * @return {Array<number>} + */ + es3fShaderDerivateTests.getCompExpBits = function(v) { + return [tcuFloat.newFloat32(v[0]).exponentBits(), + tcuFloat.newFloat32(v[1]).exponentBits(), + tcuFloat.newFloat32(v[2]).exponentBits(), + tcuFloat.newFloat32(v[3]).exponentBits()]; + }; + + /** + * @param {number} value + * @param {number} numAccurateBits + * @return {number} + */ + es3fShaderDerivateTests.computeFloatingPointError = function(value, numAccurateBits) { + /** @type {number} */ var numGarbageBits = 23 - numAccurateBits; + /** @type {number} */ var mask = (1 << numGarbageBits) - 1 ; + /** @type {number} */ var exp = tcuFloat.newFloat32(value).exponent(); + + return (new tcuFloat.deFloat()).construct(1, exp, (1 << 23) | mask).getValue() - (new tcuFloat.deFloat()).construct(1, exp, 1 << 23).getValue(); + }; + + /** + * @param {?gluShaderUtil.precision} precision + * @return {number} + */ + es3fShaderDerivateTests.getNumMantissaBits = function(precision) { + switch (precision) { + case gluShaderUtil.precision.PRECISION_HIGHP: return 23; + case gluShaderUtil.precision.PRECISION_MEDIUMP: return 10; + case gluShaderUtil.precision.PRECISION_LOWP: return 6; + default: + throw new Error('Precision not supported: ' + precision); + } + }; + + /** + * @param {?gluShaderUtil.precision} precision + * @return {number} + */ + es3fShaderDerivateTests.getMinExponent = function(precision) { + switch (precision) { + case gluShaderUtil.precision.PRECISION_HIGHP: return -126; + case gluShaderUtil.precision.PRECISION_MEDIUMP: return -14; + case gluShaderUtil.precision.PRECISION_LOWP: return -8; + default: + throw new Error('Precision not supported: ' + precision); + } + }; + + /** + * @param {number} exp + * @param {number} numMantissaBits + * @return {number} + */ + es3fShaderDerivateTests.getSingleULPForExponent = function(exp, numMantissaBits) { + if (numMantissaBits > 0) { + assertMsgOptions(numMantissaBits <= 23, 'numMantissaBits must be less or equal than 23.', false, true); + + /** @type {number} */ var ulpBitNdx = 23 - numMantissaBits; + + return (new tcuFloat.deFloat()).construct(1, exp, (1 << 23) | (1 << ulpBitNdx)).getValue() - (new tcuFloat.deFloat()).construct(1, exp, 1 << 23).getValue(); + } else { + assertMsgOptions(numMantissaBits === 0, 'numMantissaBits must equal to 0.', false, true); + return (new tcuFloat.deFloat()).construct(1, exp, (1 << 23)).getValue() + } + }; + + /** + * @param {number} value + * @param {number} numMantissaBits + * @return {number} + */ + es3fShaderDerivateTests.getSingleULPForValue = function(value, numMantissaBits) { + /** @type {number} */ var exp = (new tcuFloat.deFloat().deFloatNumber(value)).exponent(); + return es3fShaderDerivateTests.getSingleULPForExponent(exp, numMantissaBits); + }; + + /** + * @param {number} value + * @param {number} minExponent + * @param {number} numAccurateBits + * @return {number} + */ + es3fShaderDerivateTests.convertFloorFlushToZero = function(value, minExponent, numAccurateBits) { + if (value === 0.0) { + return 0.0; + } else { + /** @type {tcuFloat.deFloat} */ var inputFloat = new tcuFloat.deFloat().deFloatNumber(value); + /** @type {number} */ var numTruncatedBits = 23 - numAccurateBits; + /** @type {number} */ var truncMask = (1 << numTruncatedBits) - 1; + + if (value > 0.0) { + if (value > 0.0 && (new tcuFloat.deFloat().deFloatNumber(value)).exponent() < minExponent) { + // flush to zero if possible + return 0.0; + } else { + // just mask away non-representable bits + return (new tcuFloat.deFloat()).construct(1, inputFloat.exponent(), inputFloat.mantissa() & ~truncMask).getValue(); + } + } else { + if (inputFloat.mantissa() & truncMask) { + // decrement one ulp if truncated bits are non-zero (i.e. if value is not representable) + return (new tcuFloat.deFloat()).construct(-1, inputFloat.exponent(), inputFloat.mantissa() & ~truncMask).getValue() - es3fShaderDerivateTests.getSingleULPForExponent(inputFloat.exponent(), numAccurateBits); + } else { + // value is representable, no need to do anything + return value; + } + } + } + }; + + /** + * @param {number} value + * @param {number} minExponent + * @param {number} numAccurateBits + * @return {number} + */ + es3fShaderDerivateTests.convertCeilFlushToZero = function(value, minExponent, numAccurateBits) { + return -es3fShaderDerivateTests.convertFloorFlushToZero(-value, minExponent, numAccurateBits); + }; + + /** + * @param {number} value + * @param {number} numUlps + * @param {number} numMantissaBits + * @return {number} + */ + es3fShaderDerivateTests.addErrorUlp = function(value, numUlps, numMantissaBits) { + return value + numUlps * es3fShaderDerivateTests.getSingleULPForValue(value, numMantissaBits); + }; + + /** + * @param {?gluShaderUtil.precision} precision + * @param {Array<number>} valueMin + * @param {Array<number>} valueMax + * @param {Array<number>} expectedDerivate + * @return {Array<number>} + */ + es3fShaderDerivateTests.getDerivateThreshold = function(precision, valueMin, valueMax, expectedDerivate) { + /** @type {number} */ var baseBits = es3fShaderDerivateTests.getNumMantissaBits(precision); + /** @type {Array<number>} */ var derivExp = es3fShaderDerivateTests.getCompExpBits(expectedDerivate); + /** @type {Array<number>} */ var maxValueExp = deMath.max(es3fShaderDerivateTests.getCompExpBits(valueMin), es3fShaderDerivateTests.getCompExpBits(valueMax)); + /** @type {Array<number>} */ var numBitsLost = deMath.subtract(maxValueExp, deMath.min(maxValueExp, derivExp)); + /** @type {Array<number>} */ + var numAccurateBits = deMath.max( + deMath.addScalar( + deMath.subtract( + [baseBits, baseBits, baseBits, baseBits], + numBitsLost), + -es3fShaderDerivateTests.INTERPOLATION_LOST_BITS), + [0, 0, 0, 0]); + + return [es3fShaderDerivateTests.computeFloatingPointError(expectedDerivate[0], numAccurateBits[0]), + es3fShaderDerivateTests.computeFloatingPointError(expectedDerivate[1], numAccurateBits[1]), + es3fShaderDerivateTests.computeFloatingPointError(expectedDerivate[2], numAccurateBits[2]), + es3fShaderDerivateTests.computeFloatingPointError(expectedDerivate[3], numAccurateBits[3])]; + }; + + /** + * @param {tcuTexture.ConstPixelBufferAccess} result + * @param {tcuTexture.PixelBufferAccess} errorMask + * @param {?gluShaderUtil.DataType} dataType + * @param {Array<number>} reference + * @param {Array<number>} threshold + * @param {Array<number>} scale + * @param {Array<number>} bias + * @param {es3fShaderDerivateTests.VerificationLogging=} logPolicy + * @return {boolean} + */ + es3fShaderDerivateTests.verifyConstantDerivate = function(result, errorMask, dataType, reference, threshold, scale, bias, logPolicy) { + logPolicy = logPolicy === undefined ? es3fShaderDerivateTests.VerificationLogging.LOG_ALL : logPolicy; + /** @type {Array<boolean>} */ var mask = deMath.logicalNotBool(es3fShaderDerivateTests.getDerivateMask(dataType)); + /** @type {number} */ var numFailedPixels = 0; + + if (logPolicy === es3fShaderDerivateTests.VerificationLogging.LOG_ALL) + bufferedLogToConsole('Expecting ' + reference + ' with threshold ' + threshold); + + for (var y = 0; y < result.getHeight(); y++) { + for (var x = 0; x < result.getWidth(); x++) { + /** @type {Array<number>} */ var resDerivate = es3fShaderDerivateTests.readDerivate(result, scale, bias, x, y); + /** @type {boolean} */ + var isOk = deMath.boolAll( + deMath.logicalOrBool( + deMath.lessThanEqual( + deMath.abs(deMath.subtract(reference, resDerivate)), + threshold), + mask)); + + if (!isOk) { + if (numFailedPixels < es3fShaderDerivateTests.MAX_FAILED_MESSAGES && logPolicy === es3fShaderDerivateTests.VerificationLogging.LOG_ALL) + bufferedLogToConsole('FAIL: got ' + resDerivate + ', diff = ' + deMath.abs(deMath.subtract(reference, resDerivate)) + ', at x = ' + x + ', y = ' + y); + numFailedPixels += 1; + errorMask.setPixel(tcuRGBA.RGBA.red.toVec(), x, y); + } + } + } + + if (numFailedPixels >= es3fShaderDerivateTests.MAX_FAILED_MESSAGES && logPolicy === es3fShaderDerivateTests.VerificationLogging.LOG_ALL) + bufferedLogToConsole('...'); + + if (numFailedPixels > 0 && logPolicy === es3fShaderDerivateTests.VerificationLogging.LOG_ALL) + bufferedLogToConsole('FAIL: found ' + numFailedPixels + ' failed pixels'); + + return numFailedPixels === 0; + }; + + /** + * .-----. + * | s_x | + * M x | s_y | + * | 1.0 | + * '-----' + * @struct + * @constructor + */ + es3fShaderDerivateTests.Linear2DFunctionEvaluator = function() { + /** @type {tcuMatrix.Matrix} */ this.matrix = new tcuMatrix.Matrix(4, 3); + }; + + es3fShaderDerivateTests.Linear2DFunctionEvaluator.prototype.evaluateAt = function(screenX, screenY) { + /** @type {Array<number>} */ var position = [screenX, screenY, 1.0]; + return tcuMatrix.multiplyMatVec(this.matrix, position); + }; + + /** + * @param {tcuTexture.ConstPixelBufferAccess} result + * @param {tcuTexture.PixelBufferAccess} errorMask + * @param {?gluShaderUtil.DataType} dataType + * @param {?gluShaderUtil.precision} precision + * @param {Array<number>} derivScale + * @param {Array<number>} derivBias + * @param {Array<number>} surfaceThreshold + * @param {es3fShaderDerivateTests.DerivateFunc} derivateFunc + * @param {es3fShaderDerivateTests.Linear2DFunctionEvaluator} func + * @return {boolean} + */ + es3fShaderDerivateTests.reverifyConstantDerivateWithFlushRelaxations = function(result, errorMask, dataType, precision, derivScale, derivBias, surfaceThreshold, derivateFunc, func) { + assertMsgOptions(result.getWidth() === errorMask.getWidth(), 'Dimensions of result and errorMask inconsistent.', false, true); + assertMsgOptions(result.getHeight() === errorMask.getHeight(), 'Dimensions of result and errorMask inconsistent.', false, true); + assertMsgOptions(derivateFunc === es3fShaderDerivateTests.DerivateFunc.DFDX || derivateFunc === es3fShaderDerivateTests.DerivateFunc.DFDY, 'Derivate Function should be DFDX or DFDY.', false, true); + + /** @type {Array<number>} */ var red = [255, 0, 0, 255]; + /** @type {Array<number>} */ var green = [0, 255, 0, 255]; + /** @type {number} */ var divisionErrorUlps = 2.5; + + /** @type {number} */ var numComponents = gluShaderUtil.getDataTypeScalarTypeAsDataType(dataType); + /** @type {number} */ var numBits = es3fShaderDerivateTests.getNumMantissaBits(precision); + /** @type {number} */ var minExponent = es3fShaderDerivateTests.getMinExponent(precision); + + /** @type {number} */ var numVaryingSampleBits = numBits - es3fShaderDerivateTests.INTERPOLATION_LOST_BITS; + /** @type {number} */ var numFailedPixels = 0; + + errorMask.clear(green); + + // search for failed pixels + for (var y = 0; y < result.getHeight(); ++y) + for (var x = 0; x < result.getWidth(); ++x) { + // flushToZero?(f2z?(functionValueCurrent) - f2z?(functionValueBefore)) + // flushToZero? ( ------------------------------------------------------------------------ +- 2.5 ULP ) + // dx + + /** @type {Array<number>} */ var resultDerivative = es3fShaderDerivateTests.readDerivate(result, derivScale, derivBias, x, y); + + // sample at the front of the back pixel and the back of the front pixel to cover the whole area of + // legal sample positions. In general case this is NOT OK, but we know that the target funtion is + // (mostly*) linear which allows us to take the sample points at arbitrary points. This gets us the + // maximum difference possible in exponents which are used in error bound calculations. + // * non-linearity may happen around zero or with very high function values due to subnorms not + // behaving well. + /** @type {Array<number>} */ var functionValueForward = (derivateFunc === es3fShaderDerivateTests.DerivateFunc.DFDX) ? + (func.evaluateAt(x + 2.0, y + 0.5)) : + (func.evaluateAt(x + 0.5, y + 2.0)); + /** @type {Array<number>} */ var functionValueBackward = (derivateFunc === es3fShaderDerivateTests.DerivateFunc.DFDX) ? + (func.evaluateAt(x - 1.0, y + 0.5)) : + (func.evaluateAt(x + 0.5, y - 1.0)); + + /** @type {boolean} */ var anyComponentFailed = false; + + // check components separately + for (var c = 0; c < numComponents; ++c) { + // interpolation value range + /** @type {tcuInterval.Interval} */ var forwardComponent = tcuInterval.withIntervals( + new tcuInterval.Interval(es3fShaderDerivateTests.convertFloorFlushToZero( + es3fShaderDerivateTests.addErrorUlp(functionValueForward[c], -0.5, numVaryingSampleBits), minExponent, numBits)), + new tcuInterval.Interval(es3fShaderDerivateTests.convertCeilFlushToZero( + es3fShaderDerivateTests.addErrorUlp(functionValueForward[c], +0.5, numVaryingSampleBits), minExponent, numBits)) + ); + + /** @type {tcuInterval.Interval} */ var backwardComponent = tcuInterval.withIntervals( + new tcuInterval.Interval(es3fShaderDerivateTests.convertFloorFlushToZero( + es3fShaderDerivateTests.addErrorUlp(functionValueBackward[c], -0.5, numVaryingSampleBits), minExponent, numBits)), + new tcuInterval.Interval(es3fShaderDerivateTests.convertCeilFlushToZero( + es3fShaderDerivateTests.addErrorUlp(functionValueBackward[c], +0.5, numVaryingSampleBits), minExponent, numBits)) + ); + + /** @type {number} */ + var maxValueExp = Math.max( + (new tcuFloat.deFloat().deFloatNumber(forwardComponent.lo())).exponent(), + (new tcuFloat.deFloat().deFloatNumber(forwardComponent.hi())).exponent(), + (new tcuFloat.deFloat().deFloatNumber(backwardComponent.lo())).exponent(), + (new tcuFloat.deFloat().deFloatNumber(backwardComponent.hi())).exponent()); + + // subtraction in nominator will likely cause a cancellation of the most + // significant bits. Apply error bounds. + /** @type {tcuInterval.Interval} */ var nominator = tcuInterval.Interval.operatorSub(forwardComponent, backwardComponent); + /** @type {number} */ var nominatorLoExp = (new tcuFloat.deFloat().deFloatNumber(nominator.lo())).exponent(); + /** @type {number} */ var nominatorHiExp = (new tcuFloat.deFloat().deFloatNumber(nominator.hi())).exponent(); + /** @type {number} */ var nominatorLoBitsLost = maxValueExp - nominatorLoExp; + /** @type {number} */ var nominatorHiBitsLost = maxValueExp - nominatorHiExp; + /** @type {number} */ var nominatorLoBits = Math.max(0, numBits - nominatorLoBitsLost); + /** @type {number} */ var nominatorHiBits = Math.max(0, numBits - nominatorHiBitsLost); + + /** @type {tcuInterval.Interval} */ var nominatorRange = tcuInterval.withIntervals( + new tcuInterval.Interval(es3fShaderDerivateTests.convertFloorFlushToZero(nominator.lo(), minExponent, nominatorLoBits)), + new tcuInterval.Interval(es3fShaderDerivateTests.convertCeilFlushToZero(nominator.hi(), minExponent, nominatorHiBits))); + // + /** @type {tcuInterval.Interval} */ var divisionRange = tcuInterval.Interval.operatorDiv(nominatorRange, new tcuInterval.Interval(3.0)); // legal sample area is anywhere within this and neighboring pixels (i.e. size = 3) + /** @type {tcuInterval.Interval} */ var divisionResultRange = tcuInterval.withIntervals( + new tcuInterval.Interval(es3fShaderDerivateTests.convertFloorFlushToZero(es3fShaderDerivateTests.addErrorUlp(divisionRange.lo(), -divisionErrorUlps, numBits), minExponent, numBits)), + new tcuInterval.Interval(es3fShaderDerivateTests.convertCeilFlushToZero(es3fShaderDerivateTests.addErrorUlp(divisionRange.hi(), divisionErrorUlps, numBits), minExponent, numBits))); + /** @type {tcuInterval.Interval} */ var finalResultRange = tcuInterval.withIntervals( + new tcuInterval.Interval(divisionResultRange.lo() - surfaceThreshold[c]), + new tcuInterval.Interval(divisionResultRange.hi() + surfaceThreshold[c])); + + if (resultDerivative[c] >= finalResultRange.lo() && resultDerivative[c] <= finalResultRange.hi()) { + // value ok + } else { + if (numFailedPixels < es3fShaderDerivateTests.MAX_FAILED_MESSAGES) + bufferedLogToConsole('Error in pixel at ' + x + ', ' + y + ' with component ' + c + ' (channel ' + ('rgba'[c]) + ')\n' + + '\tGot pixel value ' + result.getPixelInt(x, y) + '\n' + + '\t\tdFd' + ((derivateFunc === es3fShaderDerivateTests.DerivateFunc.DFDX) ? 'x' : 'y') + ' ~= ' + resultDerivative[c] + '\n' + + '\t\tdifference to a valid range: ' + + ((resultDerivative[c] < finalResultRange.lo()) ? '-' : '+') + + ((resultDerivative[c] < finalResultRange.lo()) ? (finalResultRange.lo() - resultDerivative[c]) : (resultDerivative[c] - finalResultRange.hi())) + + '\n' + + '\tDerivative value range:\n' + + '\t\tMin: ' + finalResultRange.lo() + '\n' + + '\t\tMax: ' + finalResultRange.hi() + '\n'); + + ++numFailedPixels; + anyComponentFailed = true; + } + } + + if (anyComponentFailed) + errorMask.setPixel(red, x, y); + } + + if (numFailedPixels >= es3fShaderDerivateTests.MAX_FAILED_MESSAGES) + bufferedLogToConsole('...'); + + if (numFailedPixels > 0) + bufferedLogToConsole('FAIL: found ' + numFailedPixels + ' failed pixels'); + + return numFailedPixels === 0; + }; + + /** + * @constructor + * @extends {tcuTestCase.DeqpTest} + * @param {string} name + * @param {string} description + */ + es3fShaderDerivateTests.TriangleDerivateCase = function(name, description) { + tcuTestCase.DeqpTest.call(this, name, description); + /** @type {?gluShaderUtil.DataType} */ this.m_dataType = null; + /** @type {?gluShaderUtil.precision} */ this.m_precision = null; + + /** @type {?gluShaderUtil.DataType} */ this.m_coordDataType = null; + /** @type {?gluShaderUtil.precision} */ this.m_coordPrecision = null; + + /** @type {string} */ this.m_fragmentSrc; + + /** @type {Array<number>} */ this.m_coordMin = []; + /** @type {Array<number>} */ this.m_coordMax = []; + /** @type {Array<number>} */ this.m_derivScale = []; + /** @type {Array<number>} */ this.m_derivBias = []; + + /** @type {es3fShaderDerivateTests.SurfaceType} */ this.m_surfaceType = es3fShaderDerivateTests.SurfaceType.DEFAULT_FRAMEBUFFER; + /** @type {number} */ this.m_numSamples = 0; + /** @type {number} */ this.m_hint = gl.DONT_CARE; + + assertMsgOptions(this.m_surfaceType !== es3fShaderDerivateTests.SurfaceType.DEFAULT_FRAMEBUFFER || this.m_numSamples === 0, 'Did not expect surfaceType = DEFAULT_FRAMEBUFFER or numSamples = 0', false, true); + }; + + es3fShaderDerivateTests.TriangleDerivateCase.prototype = Object.create(tcuTestCase.DeqpTest.prototype); + es3fShaderDerivateTests.TriangleDerivateCase.prototype.constructor = es3fShaderDerivateTests.TriangleDerivateCase; + + es3fShaderDerivateTests.TriangleDerivateCase.prototype.deinit = function() {}; + + /** @param {WebGLProgram} program */ + es3fShaderDerivateTests.TriangleDerivateCase.prototype.setupRenderState = function(program) {}; + + /** + * @param {?gluShaderUtil.DataType} coordType + * @param {?gluShaderUtil.precision} precision + * @return {string} + */ + es3fShaderDerivateTests.genVertexSource = function(coordType, precision) { + assertMsgOptions(gluShaderUtil.isDataTypeFloatOrVec(coordType), 'Coord Type not supported', false, true); + + /** @type {string} */ var vertexTmpl = '' + + '#version 300 es\n' + + 'in highp vec4 a_position;\n' + + 'in ${PRECISION} ${DATATYPE} a_coord;\n' + + 'out ${PRECISION} ${DATATYPE} v_coord;\n' + + 'void main (void)\n' + + '{\n' + + ' gl_Position = a_position;\n' + + ' v_coord = a_coord;\n' + + '}\n'; + + /** @type {Object} */ var vertexParams = {}; + + vertexParams['PRECISION'] = gluShaderUtil.getPrecisionName(precision); + vertexParams['DATATYPE'] = gluShaderUtil.getDataTypeName(coordType); + + return tcuStringTemplate.specialize(vertexTmpl, vertexParams); + }; + + /** + * @return {Array<number>} + */ + es3fShaderDerivateTests.TriangleDerivateCase.prototype.getViewportSize = function() { + if (this.m_surfaceType === es3fShaderDerivateTests.SurfaceType.DEFAULT_FRAMEBUFFER) { + /** @type {number} */ var width = Math.min(gl.drawingBufferWidth, es3fShaderDerivateTests.VIEWPORT_WIDTH); + /** @type {number} */ var height = Math.min(gl.drawingBufferHeight, es3fShaderDerivateTests.VIEWPORT_HEIGHT); + return [width, height]; + } else + return [es3fShaderDerivateTests.FBO_WIDTH, es3fShaderDerivateTests.FBO_HEIGHT]; + }; + + /** + * @return {tcuTestCase.IterateResult} + */ + es3fShaderDerivateTests.TriangleDerivateCase.prototype.iterate = function() { + /** @type {gluShaderProgram.ShaderProgram} */ var program = new gluShaderProgram.ShaderProgram(gl, gluShaderProgram.makeVtxFragSources(es3fShaderDerivateTests.genVertexSource(this.m_coordDataType, this.m_coordPrecision), this.m_fragmentSrc)); + /** @type {deRandom.Random} */ var rnd = new deRandom.Random(deString.deStringHash(this.name) ^ 0xbbc24); + /** @type {boolean} */ var useFbo = this.m_surfaceType != es3fShaderDerivateTests.SurfaceType.DEFAULT_FRAMEBUFFER; + /** @type {number} */ var fboFormat = this.m_surfaceType === es3fShaderDerivateTests.SurfaceType.FLOAT_FBO ? gl.RGBA32UI : gl.RGBA8; + /** @type {Array<number>} */ var viewportSize = this.getViewportSize(); + /** @type {number} */ var viewportX = useFbo ? 0 : rnd.getInt(0, gl.drawingBufferWidth - viewportSize[0]); + /** @type {number} */ var viewportY = useFbo ? 0 : rnd.getInt(0, gl.drawingBufferHeight - viewportSize[1]); + /** @type {?WebGLFramebuffer} */ var fbo = null; + /** @type {?WebGLRenderbuffer} */ var rbo = null; + /** @type {tcuTexture.TextureLevel} */ var result = null; + + bufferedLogToConsole(program.getProgramInfo().infoLog); + + if (!program.isOk()) + assertMsgOptions(false, 'Compile failed', false, true); + + if (useFbo) { + bufferedLogToConsole('Rendering to FBO, format = ' + wtu.glEnumToString(gl, fboFormat) + ', samples = ' + this.m_numSamples); + + fbo = gl.createFramebuffer(); + rbo = gl.createRenderbuffer(); + + gl.bindRenderbuffer(gl.RENDERBUFFER, rbo); + gl.renderbufferStorageMultisample(gl.RENDERBUFFER, this.m_numSamples, fboFormat, viewportSize[0], viewportSize[1]); + gl.bindFramebuffer(gl.FRAMEBUFFER, fbo); + gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo); + } else { + /** @type {tcuPixelFormat.PixelFormat} */ var pixelFormat = tcuPixelFormat.PixelFormatFromContext(gl); + + bufferedLogToConsole('Rendering to default framebuffer\n' + + '\tColor depth: R=' + pixelFormat.redBits + ', G=' + pixelFormat.greenBits + ', B=' + pixelFormat.blueBits + ', A=' + pixelFormat.alphaBits); + } + + bufferedLogToConsole('in: ' + this.m_coordMin + ' ' + this.m_coordMax + '\n' + + 'v_coord.x = in.x * x\n' + + 'v_coord.y = in.y * y\n' + + 'v_coord.z = in.z * (x+y)/2\n' + + 'v_coord.w = in.w * (1 - (x+y)/2)\n' + + '\n' + + 'u_scale: ' + this.m_derivScale + ', u_bias: ' + this.m_derivBias + ' (displayed values have scale/bias removed)' + + 'Viewport: ' + viewportSize[0] + 'x' + viewportSize[1] + + 'gl.FRAGMENT_SHADER_DERIVATE_HINT: ' + wtu.glEnumToString(gl, this.m_hint)); + // Draw + /** @type {Array<number>} */ var positions = [ + -1.0, -1.0, 0.0, 1.0, + -1.0, 1.0, 0.0, 1.0, + 1.0, -1.0, 0.0, 1.0, + 1.0, 1.0, 0.0, 1.0 + ]; + + /** @type {Array<number>} */ var coords =[ + this.m_coordMin[0], this.m_coordMin[1], this.m_coordMin[2], this.m_coordMax[3], + this.m_coordMin[0], this.m_coordMax[1], (this.m_coordMin[2] + this.m_coordMax[2]) * 0.5, (this.m_coordMin[3]+this.m_coordMax[3]) * 0.5, + this.m_coordMax[0], this.m_coordMin[1], (this.m_coordMin[2] + this.m_coordMax[2]) * 0.5, (this.m_coordMin[3]+this.m_coordMax[3]) * 0.5, + this.m_coordMax[0], this.m_coordMax[1], this.m_coordMax[2], this.m_coordMin[3] + ]; + + /** @type {Array<gluDrawUtil.VertexArrayBinding>} */ var vertexArrays = [ + gluDrawUtil.newFloatVertexArrayBinding('a_position', 4, 4, 0, positions), + gluDrawUtil.newFloatVertexArrayBinding('a_coord', 4, 4, 0, coords) + ]; + + /** @type {Array<number>} */ var indices = [0, 2, 1, 2, 3, 1]; + + gl.clearColor(0.125, 0.25, 0.5, 1.0); + // We can't really call clear() on gl.COLOR_BUFFER_BIT here as in c++ deqp. + // The fbo format might be of integer type and WebGL2 requires an INVALID_OPERATION to be generated. + var formatObj = gluTextureUtil.mapGLInternalFormat(fboFormat); + var fmtClass = tcuTexture.getTextureChannelClass(formatObj.type); + switch (fmtClass) { + case tcuTexture.TextureChannelClass.FLOATING_POINT: + case tcuTexture.TextureChannelClass.SIGNED_FIXED_POINT: + case tcuTexture.TextureChannelClass.UNSIGNED_FIXED_POINT: + gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT | gl.STENCIL_BUFFER_BIT); + break; + case tcuTexture.TextureChannelClass.UNSIGNED_INTEGER: + gl.clearBufferuiv(gl.COLOR, 0, new Uint32Array([31, 63, 127, 255])); + gl.clear(gl.DEPTH_BUFFER_BIT | gl.STENCIL_BUFFER_BIT); + break; + case tcuTexture.TextureChannelClass.SIGNED_INTEGER: + gl.clearBufferiv(gl.COLOR, 0, new Int32Array([31, 63, 127, 255])); + gl.clear(gl.DEPTH_BUFFER_BIT | gl.STENCIL_BUFFER_BIT); + break; + default: + throw new Error('Invalid channelclass ' + fmtClass); + } + gl.disable(gl.DITHER); + + gl.useProgram(program.getProgram()); + + /** @type {WebGLUniformLocation} */ var scaleLoc = gl.getUniformLocation(program.getProgram(), 'u_scale'); + /** @type {WebGLUniformLocation} */ var biasLoc = gl.getUniformLocation(program.getProgram(), 'u_bias'); + + switch (this.m_dataType) { + case gluShaderUtil.DataType.FLOAT: + gl.uniform1f(scaleLoc, this.m_derivScale[0]); + gl.uniform1f(biasLoc, this.m_derivBias[0]); + break; + + case gluShaderUtil.DataType.FLOAT_VEC2: + gl.uniform2fv(scaleLoc, this.m_derivScale.slice(0,2)); + gl.uniform2fv(biasLoc, this.m_derivBias.slice(0,2)); + break; + + case gluShaderUtil.DataType.FLOAT_VEC3: + gl.uniform3fv(scaleLoc, this.m_derivScale.slice(0,3)); + gl.uniform3fv(biasLoc, this.m_derivBias.slice(0,3)); + break; + + case gluShaderUtil.DataType.FLOAT_VEC4: + gl.uniform4fv(scaleLoc, this.m_derivScale); + gl.uniform4fv(biasLoc, this.m_derivBias); + break; + + default: + throw new Error('Data Type not supported: ' + this.m_dataType); + } + + glsShaderRenderCase.setupDefaultUniforms(program.getProgram()); + this.setupRenderState(program.getProgram()); + + gl.hint(gl.FRAGMENT_SHADER_DERIVATIVE_HINT, this.m_hint); + + gl.viewport(viewportX, viewportY, viewportSize[0], viewportSize[1]); + gluDrawUtil.draw(gl, program.getProgram(), vertexArrays, gluDrawUtil.triangles(indices)); + + // Read back results + + /** @type {boolean} */ var isMSAA = useFbo && this.m_numSamples > 0; + /** @type {?WebGLFramebuffer} */ var resFbo = null; + /** @type {?WebGLRenderbuffer} */ var resRbo = null; + + // Resolve if necessary + if (isMSAA) { + resFbo = gl.createFramebuffer(); + resRbo = gl.createRenderbuffer(); + + gl.bindRenderbuffer(gl.RENDERBUFFER, resRbo); + gl.renderbufferStorageMultisample(gl.RENDERBUFFER, 0, fboFormat, viewportSize[0], viewportSize[1]); + gl.bindFramebuffer(gl.DRAW_FRAMEBUFFER, resFbo); + gl.framebufferRenderbuffer(gl.DRAW_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, resRbo); + + gl.blitFramebuffer(0, 0, viewportSize[0], viewportSize[1], 0, 0, viewportSize[0], viewportSize[1], gl.COLOR_BUFFER_BIT, gl.NEAREST); + + gl.bindFramebuffer(gl.READ_FRAMEBUFFER, resFbo); + } + switch (this.m_surfaceType) { + case es3fShaderDerivateTests.SurfaceType.DEFAULT_FRAMEBUFFER: + case es3fShaderDerivateTests.SurfaceType.UNORM_FBO: + var dataFormat = new tcuTexture.TextureFormat(tcuTexture.ChannelOrder.RGBA, tcuTexture.ChannelType.UNORM_INT8); + result = new tcuTexture.TextureLevel(dataFormat, viewportSize[0], viewportSize[1]); + gluPixelTransfer.readPixels(gl, viewportX, viewportY, dataFormat, result); + break; + + case es3fShaderDerivateTests.SurfaceType.FLOAT_FBO: + var dataFormat = new tcuTexture.TextureFormat(tcuTexture.ChannelOrder.RGBA, tcuTexture.ChannelType.FLOAT); + var transferFormat = new tcuTexture.TextureFormat(tcuTexture.ChannelOrder.RGBA, tcuTexture.ChannelType.UNSIGNED_INT32); + result = new tcuTexture.TextureLevel(dataFormat, viewportSize[0], viewportSize[1]); + gluPixelTransfer.readPixels(gl, viewportX, viewportY, transferFormat, result); + break; + + default: + throw new Error('Surface Type not supported: ' + this.m_surfaceType); + } + + // Verify + /** @type {tcuSurface.Surface} */ + var errorMask = new tcuSurface.Surface(result.getWidth(), result.getHeight()); + + errorMask.getAccess().clear(tcuRGBA.RGBA.green.toVec()); + + /** @type {boolean} */ var isOk = this.verify(result.getAccess(), errorMask.getAccess()); + + if (!isOk) { + tcuLogImage.logImage('Rendered', 'Rendered image', result.getAccess()); + tcuLogImage.logImage('ErrorMask', 'Error mask', errorMask.getAccess()); + testFailedOptions('Fail', false); + } else + testPassedOptions('Pass', true); + + // Cleaning up buffers + gl.deleteFramebuffer(fbo); + gl.deleteRenderbuffer(rbo); + gl.deleteFramebuffer(resFbo); + gl.deleteRenderbuffer(resRbo); + + return tcuTestCase.IterateResult.STOP; + }; + + /** + * @return {Array<number>} + */ + es3fShaderDerivateTests.TriangleDerivateCase.prototype.getSurfaceThreshold = function() { + switch (this.m_surfaceType) { + case es3fShaderDerivateTests.SurfaceType.DEFAULT_FRAMEBUFFER: + /** @type {tcuPixelFormat.PixelFormat} */ var pixelFormat = tcuPixelFormat.PixelFormatFromContext(gl); + /** @type {Array<number>} */ var channelBits = [pixelFormat.redBits, pixelFormat.greenBits, pixelFormat.blueBits, pixelFormat.alphaBits]; + /** @type {Array<number>} */ var intThreshold = deMath.arrayShiftLeft([1, 1, 1, 1], deMath.subtract([8, 8, 8, 8], channelBits)); + /** @type {Array<number>} */ var normThreshold = deMath.scale(intThreshold, 1.0/255.0); + + return normThreshold; + + case es3fShaderDerivateTests.SurfaceType.UNORM_FBO: return deMath.scale([1, 1, 1, 1], 1.0/255.0); + case es3fShaderDerivateTests.SurfaceType.FLOAT_FBO: return [0.0, 0.0, 0.0, 0.0]; + default: + assertMsgOptions(false, 'Surface Type not supported. Falling back to default retun value [0.0, 0.0, 0.0, 0.0]', false, false); + return [0.0, 0.0, 0.0, 0.0]; + } + }; + + /** + * @constructor + * @extends {es3fShaderDerivateTests.TriangleDerivateCase} + * @param {string} name + * @param {string} description + * @param {es3fShaderDerivateTests.DerivateFunc} func + * @param {gluShaderUtil.DataType} type + */ + es3fShaderDerivateTests.ConstantDerivateCase = function(name, description, func, type) { + es3fShaderDerivateTests.TriangleDerivateCase.call(this, name, description); + /** @type {es3fShaderDerivateTests.DerivateFunc} */ this.m_func = func; + this.m_dataType = type; + this.m_precision = gluShaderUtil.precision.PRECISION_HIGHP; + this.m_coordDataType = this.m_dataType; + this.m_coordPrecision = this.m_precision; + }; + + es3fShaderDerivateTests.ConstantDerivateCase.prototype = Object.create(es3fShaderDerivateTests.TriangleDerivateCase.prototype); + es3fShaderDerivateTests.ConstantDerivateCase.prototype.constructor = es3fShaderDerivateTests.ConstantDerivateCase; + + es3fShaderDerivateTests.ConstantDerivateCase.prototype.init = function() { + /** @type {string} */ var fragmentTmpl = '' + + '#version 300 es\n' + + 'layout(location = 0) out mediump vec4 o_color;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_scale;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_bias;\n' + + 'void main (void)\n' + + '{\n' + + ' ${PRECISION} ${DATATYPE} res = ${FUNC}(${VALUE}) * u_scale + u_bias;\n' + + ' o_color = ${CAST_TO_OUTPUT};\n' + + '}\n'; + + /** @type {Object} */ var fragmentParams = {}; + fragmentParams['PRECISION'] = gluShaderUtil.getPrecisionName(this.m_precision); + fragmentParams['DATATYPE'] = gluShaderUtil.getDataTypeName(this.m_dataType); + fragmentParams['FUNC'] = es3fShaderDerivateTests.getDerivateFuncName(this.m_func); + fragmentParams['VALUE'] = this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC4 ? 'vec4(1.0, 7.2, -1e5, 0.0)' : + this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC3 ? 'vec3(1e2, 8.0, 0.01)' : + this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC2 ? 'vec2(-0.0, 2.7)' : + '7.7'; + fragmentParams['CAST_TO_OUTPUT'] = this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC4 ? 'res' : + this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC3 ? 'vec4(res, 1.0)' : + this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC2 ? 'vec4(res, 0.0, 1.0)' : + 'vec4(res, 0.0, 0.0, 1.0)'; + + this.m_fragmentSrc = tcuStringTemplate.specialize(fragmentTmpl, fragmentParams); + + this.m_derivScale = [1e3, 1e3, 1e3, 1e3]; + this.m_derivBias = [0.5, 0.5, 0.5, 0.5]; + }; + + /** + * @param {tcuTexture.ConstPixelBufferAccess} result + * @param {tcuTexture.PixelBufferAccess} errorMask + * @return {boolean} + */ + es3fShaderDerivateTests.ConstantDerivateCase.prototype.verify = function(result, errorMask) { + /** @type {Array<number>} */ var reference = [0.0, 0.0, 0.0, 0.0]; // Derivate of constant argument should always be 0 + /** @type {Array<number>} */ var threshold = deMath.divide(this.getSurfaceThreshold(), deMath.abs(this.m_derivScale)); + return es3fShaderDerivateTests.verifyConstantDerivate(result, errorMask, this.m_dataType, + reference, threshold, this.m_derivScale, this.m_derivBias); + }; + + /** + * @constructor + * @extends {es3fShaderDerivateTests.TriangleDerivateCase} + * @param {string} name + * @param {string} description + * @param {es3fShaderDerivateTests.DerivateFunc} func + * @param {gluShaderUtil.DataType} type + * @param {gluShaderUtil.precision} precision + * @param {number} hint + * @param {es3fShaderDerivateTests.SurfaceType} surfaceType + * @param {number} numSamples + * @param {string} fragmentSrcTmpl + */ + es3fShaderDerivateTests.LinearDerivateCase = function(name, description, func, type, precision, hint, surfaceType, numSamples, fragmentSrcTmpl) { + es3fShaderDerivateTests.TriangleDerivateCase.call(this, name, description); + /** @type {es3fShaderDerivateTests.DerivateFunc} */ this.m_func = func; + /** @type {string} */ this.m_fragmentTmpl = fragmentSrcTmpl; + this.m_dataType = type; + this.m_precision = precision; + this.m_coordDataType = this.m_dataType; + this.m_coordPrecision = this.m_precision; + this.m_hint = hint; + this.m_surfaceType = surfaceType; + this.m_numSamples = numSamples; + }; + + es3fShaderDerivateTests.LinearDerivateCase.prototype = Object.create(es3fShaderDerivateTests.TriangleDerivateCase.prototype); + es3fShaderDerivateTests.LinearDerivateCase.prototype.constructor = es3fShaderDerivateTests.LinearDerivateCase; + + es3fShaderDerivateTests.LinearDerivateCase.prototype.init = function() { + /** @type {Array<number>} */ var viewportSize = this.getViewportSize(); + /** @type {number} */ var w = viewportSize[0]; + /** @type {number} */ var h = viewportSize[1]; + /** @type {boolean} */ var packToInt = this.m_surfaceType === es3fShaderDerivateTests.SurfaceType.FLOAT_FBO; + + /** @type {Object} */ var fragmentParams = {}; + fragmentParams['OUTPUT_TYPE'] = gluShaderUtil.getDataTypeName(packToInt ? gluShaderUtil.DataType.UINT_VEC4 : gluShaderUtil.DataType.FLOAT_VEC4); + fragmentParams['OUTPUT_PREC'] = gluShaderUtil.getPrecisionName(packToInt ? gluShaderUtil.precision.PRECISION_HIGHP : this.m_precision); + fragmentParams['PRECISION'] = gluShaderUtil.getPrecisionName(this.m_precision); + fragmentParams['DATATYPE'] = gluShaderUtil.getDataTypeName(this.m_dataType); + fragmentParams['FUNC'] = es3fShaderDerivateTests.getDerivateFuncName(this.m_func); + + if (packToInt) { + fragmentParams['CAST_TO_OUTPUT'] = this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC4 ? 'floatBitsToUint(res)' : + this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC3 ? 'floatBitsToUint(vec4(res, 1.0))' : + this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC2 ? 'floatBitsToUint(vec4(res, 0.0, 1.0))' : + 'floatBitsToUint(vec4(res, 0.0, 0.0, 1.0))'; + } else { + fragmentParams['CAST_TO_OUTPUT'] = this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC4 ? 'res' : + this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC3 ? 'vec4(res, 1.0)' : + this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC2 ? 'vec4(res, 0.0, 1.0)' : + 'vec4(res, 0.0, 0.0, 1.0)'; + } + + this.m_fragmentSrc = tcuStringTemplate.specialize(this.m_fragmentTmpl, fragmentParams); + + switch (this.m_precision) { + case gluShaderUtil.precision.PRECISION_HIGHP: + this.m_coordMin = [-97., 0.2, 71., 74.]; + this.m_coordMax = [-13.2, -77., 44., 76.]; + break; + + case gluShaderUtil.precision.PRECISION_MEDIUMP: + this.m_coordMin = [-37.0, 47., -7., 0.0]; + this.m_coordMax = [-1.0, 12., 7., 19.]; + break; + + case gluShaderUtil.precision.PRECISION_LOWP: + this.m_coordMin = [0.0, -1.0, 0.0, 1.0]; + this.m_coordMax = [1.0, 1.0, -1.0, -1.0]; + break; + + default: + throw new Error('Precision not supported: ' + this.m_precision); + } + + if (this.m_surfaceType === es3fShaderDerivateTests.SurfaceType.FLOAT_FBO) { + // No scale or bias used for accuracy. + this.m_derivScale = [1.0, 1.0, 1.0, 1.0]; + this.m_derivBias = [0.0, 0.0, 0.0, 0.0]; + } else { + // Compute scale - bias that normalizes to 0..1 range. + /** @type {Array<number>} */ var dx = deMath.divide(deMath.subtract(this.m_coordMax, this.m_coordMin), [w, w, w * 0.5, -w * 0.5]); + /** @type {Array<number>} */ var dy = deMath.divide(deMath.subtract(this.m_coordMax, this.m_coordMin), [h, h, h * 0.5, -h * 0.5]); + + switch (this.m_func) { + case es3fShaderDerivateTests.DerivateFunc.DFDX: + this.m_derivScale = deMath.divide([0.5, 0.5, 0.5, 0.5], dx); + break; + + case es3fShaderDerivateTests.DerivateFunc.DFDY: + this.m_derivScale = deMath.divide([0.5, 0.5, 0.5, 0.5], dy); + break; + + case es3fShaderDerivateTests.DerivateFunc.FWIDTH: + this.m_derivScale = deMath.divide([0.5, 0.5, 0.5, 0.5], deMath.add(deMath.abs(dx), deMath.abs(dy))); + break; + + default: + throw new Error('Derivate Function not supported: ' + this.m_func); + } + + this.m_derivBias = [0.0, 0.0, 0.0, 0.0]; + } + }; + + /** + * @param {tcuTexture.ConstPixelBufferAccess} result + * @param {tcuTexture.PixelBufferAccess} errorMask + * @return {boolean} + */ + es3fShaderDerivateTests.LinearDerivateCase.prototype.verify = function(result, errorMask) { + /** @type {Array<number>} */ var xScale = [1.0, 0.0, 0.5, -0.5]; + /** @type {Array<number>} */ var yScale = [0.0, 1.0, 0.5, -0.5]; + /** @type {Array<number>} */ var surfaceThreshold = deMath.divide(this.getSurfaceThreshold(), deMath.abs(this.m_derivScale)); + + /** @type {number} */ var w; + /** @type {number} */ var h; + /** @type {Array<number>} */ var reference; + /** @type {Array<number>} */ var threshold; + + if (this.m_func === es3fShaderDerivateTests.DerivateFunc.DFDX || this.m_func === es3fShaderDerivateTests.DerivateFunc.DFDY) { + /** @type {boolean} */ var isX = this.m_func === es3fShaderDerivateTests.DerivateFunc.DFDX; + /** @type {number} */ var div = isX ? result.getWidth() : result.getHeight(); + /** @type {Array<number>} */ var scale = isX ? xScale : yScale; + reference = deMath.multiply(deMath.scale(deMath.subtract(this.m_coordMax, this.m_coordMin), 1/div), scale); + /** @type {Array<number>} */ var opThreshold = es3fShaderDerivateTests.getDerivateThreshold(this.m_precision, deMath.multiply(this.m_coordMin, scale), deMath.multiply(this.m_coordMax, scale), reference); + threshold = deMath.max(surfaceThreshold, opThreshold); + bufferedLogToConsole('Verifying result image.\n' + + '\tValid derivative is ' + reference + ' with threshold ' + threshold); + + // short circuit if result is strictly within the normal value error bounds. + // This improves performance significantly. + if (es3fShaderDerivateTests.verifyConstantDerivate(result, errorMask, + this.m_dataType, reference, threshold, this.m_derivScale, + this.m_derivBias, es3fShaderDerivateTests.VerificationLogging.LOG_NOTHING)) { + bufferedLogToConsole('No incorrect derivatives found, result valid.'); + return true; + } + + // some pixels exceed error bounds calculated for normal values. Verify that these + // potentially invalid pixels are in fact valid due to (for example) subnorm flushing. + + bufferedLogToConsole('Initial verification failed, verifying image by calculating accurate error bounds for each result pixel.\n' + + '\tVerifying each result derivative is within its range of legal result values.'); + + /** @type {Array<number>} */ var viewportSize = this.getViewportSize(); + /** @type {Array<number>} */ var valueRamp = deMath.subtract(this.m_coordMax, this.m_coordMin); + /** @type {es3fShaderDerivateTests.Linear2DFunctionEvaluator} */ var function_ = new es3fShaderDerivateTests.Linear2DFunctionEvaluator(); + w = viewportSize[0]; + h = viewportSize[1]; + + function_.matrix.setRow(0, [valueRamp[0] / w, 0.0, this.m_coordMin[0]]); + function_.matrix.setRow(1, [0.0, valueRamp[1] / h, this.m_coordMin[1]]); + function_.matrix.setRow(2, deMath.scale([valueRamp[2] / w, valueRamp[2] / h, this.m_coordMin[2] + this.m_coordMin[2]], 1 / 2.0)); + function_.matrix.setRow(3, deMath.scale([-valueRamp[3] / w, -valueRamp[3] / h, this.m_coordMax[3] + this.m_coordMax[3]], 1 / 2.0)); + + return es3fShaderDerivateTests.reverifyConstantDerivateWithFlushRelaxations( + result, errorMask, this.m_dataType, this.m_precision, this.m_derivScale, + this.m_derivBias, surfaceThreshold, this.m_func, function_); + } else { + assertMsgOptions(this.m_func === es3fShaderDerivateTests.DerivateFunc.FWIDTH, 'Expected DerivateFunc.FWIDTH', false, true); + w = result.getWidth(); + h = result.getHeight(); + + /** @type {Array<number>} */ var dx = deMath.multiply(deMath.scale(deMath.subtract(this.m_coordMax, this.m_coordMin), 1 / w), xScale); + /** @type {Array<number>} */ var dy = deMath.multiply(deMath.scale(deMath.subtract(this.m_coordMax, this.m_coordMin), 1 / h), yScale); + reference = deMath.add(deMath.abs(dx), deMath.abs(dy)); + /** @type {Array<number>} */ var dxThreshold = es3fShaderDerivateTests.getDerivateThreshold(this.m_precision, deMath.multiply(this.m_coordMin, xScale), deMath.multiply(this.m_coordMax, xScale), dx); + /** @type {Array<number>} */ var dyThreshold = es3fShaderDerivateTests.getDerivateThreshold(this.m_precision, deMath.multiply(this.m_coordMin, yScale), deMath.multiply(this.m_coordMax, yScale), dy); + threshold = deMath.max(surfaceThreshold, deMath.max(dxThreshold, dyThreshold)); + + return es3fShaderDerivateTests.verifyConstantDerivate(result, errorMask, this.m_dataType, + reference, threshold, this.m_derivScale, this.m_derivBias); + } + }; + + /** + * @constructor + * @extends {es3fShaderDerivateTests.TriangleDerivateCase} + * @param {string} name + * @param {string} description + * @param {es3fShaderDerivateTests.DerivateFunc} func + * @param {gluShaderUtil.DataType} type + * @param {gluShaderUtil.precision} precision + * @param {number} hint + * @param {es3fShaderDerivateTests.SurfaceType} surfaceType + * @param {number} numSamples + */ + es3fShaderDerivateTests.TextureDerivateCase = function(name, description, func, type, precision, hint, surfaceType, numSamples) { + es3fShaderDerivateTests.TriangleDerivateCase.call(this, name, description); + /** @type {es3fShaderDerivateTests.DerivateFunc} */ this.m_func = func; + /** @type {gluTexture.Texture2D} */ this.m_texture = null; + /** @type {Array<number>} */ this.m_texValueMin = []; + /** @type {Array<number>} */ this.m_texValueMax = []; + this.m_dataType = type; + this.m_precision = precision; + this.m_coordDataType = gluShaderUtil.DataType.FLOAT_VEC2; + this.m_coordPrecision = gluShaderUtil.precision.PRECISION_HIGHP; + this.m_hint = hint; + this.m_surfaceType = surfaceType; + this.m_numSamples = numSamples; + }; + + es3fShaderDerivateTests.TextureDerivateCase.prototype = Object.create(es3fShaderDerivateTests.TriangleDerivateCase.prototype); + es3fShaderDerivateTests.TextureDerivateCase.prototype.constructor = es3fShaderDerivateTests.TextureDerivateCase; + + es3fShaderDerivateTests.TextureDerivateCase.prototype.deinit = function() { + this.m_texture = null; + }; + + es3fShaderDerivateTests.TextureDerivateCase.prototype.init = function() { + // Generate shader + /** @type {string} */ var fragmentTmpl = '' + + '#version 300 es\n' + + 'in highp vec2 v_coord;\n' + + 'layout(location = 0) out ${OUTPUT_PREC} ${OUTPUT_TYPE} o_color;\n' + + 'uniform ${PRECISION} sampler2D u_sampler;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_scale;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_bias;\n' + + 'void main (void)\n' + + '{\n' + + ' ${PRECISION} vec4 tex = texture(u_sampler, v_coord);\n' + + ' ${PRECISION} ${DATATYPE} res = ${FUNC}(tex${SWIZZLE}) * u_scale + u_bias;\n' + + ' o_color = ${CAST_TO_OUTPUT};\n' + + '}\n'; + + /** @type {boolean} */ var packToInt = this.m_surfaceType === es3fShaderDerivateTests.SurfaceType.FLOAT_FBO; + /** @type {Object} */ var fragmentParams = {}; + /** @type {Array<number>} */ var viewportSize; + fragmentParams['OUTPUT_TYPE'] = gluShaderUtil.getDataTypeName(packToInt ? gluShaderUtil.DataType.UINT_VEC4 : gluShaderUtil.DataType.FLOAT_VEC4); + fragmentParams['OUTPUT_PREC'] = gluShaderUtil.getPrecisionName(packToInt ? gluShaderUtil.precision.PRECISION_HIGHP : this.m_precision); + fragmentParams['PRECISION'] = gluShaderUtil.getPrecisionName(this.m_precision); + fragmentParams['DATATYPE'] = gluShaderUtil.getDataTypeName(this.m_dataType); + fragmentParams['FUNC'] = es3fShaderDerivateTests.getDerivateFuncName(this.m_func); + fragmentParams['SWIZZLE'] = this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC4 ? '' : + this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC3 ? '.xyz' : + this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC2 ? '.xy' : + '.x'; + + if (packToInt) { + fragmentParams['CAST_TO_OUTPUT'] = this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC4 ? 'floatBitsToUint(res)' : + this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC3 ? 'floatBitsToUint(vec4(res, 1.0))' : + this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC2 ? 'floatBitsToUint(vec4(res, 0.0, 1.0))' : + 'floatBitsToUint(vec4(res, 0.0, 0.0, 1.0))'; + } else { + fragmentParams['CAST_TO_OUTPUT'] = this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC4 ? 'res' : + this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC3 ? 'vec4(res, 1.0)' : + this.m_dataType === gluShaderUtil.DataType.FLOAT_VEC2 ? 'vec4(res, 0.0, 1.0)' : + 'vec4(res, 0.0, 0.0, 1.0)'; + } + + this.m_fragmentSrc = tcuStringTemplate.specialize(fragmentTmpl, fragmentParams); + + // Texture size matches viewport and nearest sampling is used. Thus texture sampling + // is equal to just interpolating the texture value range. + + // Determine value range for texture. + + switch (this.m_precision) { + case gluShaderUtil.precision.PRECISION_HIGHP: + this.m_texValueMin = [-97., 0.2, 71., 74.]; + this.m_texValueMax = [-13.2, -77., 44., 76.]; + break; + + case gluShaderUtil.precision.PRECISION_MEDIUMP: + this.m_texValueMin = [-37.0, 47., -7., 0.0]; + this.m_texValueMax = [-1.0, 12., 7., 19.]; + break; + + case gluShaderUtil.precision.PRECISION_LOWP: + this.m_texValueMin = [0.0, -1.0, 0.0, 1.0]; + this.m_texValueMax = [1.0, 1.0, -1.0, -1.0]; + break; + + default: + throw new Error(false, 'Precision not supported:' + this.m_precision); + } + + // Lowp and mediump cases use RGBA16F format, while highp uses RGBA32F. + viewportSize = this.getViewportSize(); + assertMsgOptions(!this.m_texture, 'Texture not null', false, true); + this.m_texture = gluTexture.texture2DFromInternalFormat(gl, this.m_precision === gluShaderUtil.precision.PRECISION_HIGHP ? gl.RGBA32F : gl.RGBA16F, viewportSize[0], viewportSize[1]); + this.m_texture.getRefTexture().allocLevel(0); + + // Texture coordinates + this.m_coordMin = [0.0, 0.0, 0.0, 0.0]; + this.m_coordMax = [1.0, 1.0, 1.0, 1.0]; + + // Fill with gradients. + /** @type {tcuTexture.PixelBufferAccess} */ var level0 = this.m_texture.getRefTexture().getLevel(0); + for (var y = 0; y < level0.getHeight(); y++) { + for (var x = 0; x < level0.getWidth(); x++) { + /** @type {number} */ var xf = (x + 0.5) / level0.getWidth(); + /** @type {number} */ var yf = (y + 0.5) / level0.getHeight(); + /** @type {Array<number>} */ var s = [xf, yf, (xf + yf) / 2.0, 1.0 - (xf + yf) / 2.0]; + + level0.setPixel(deMath.add(this.m_texValueMin, deMath.multiply(deMath.subtract(this.m_texValueMax, this.m_texValueMin), s)), x, y); + } + } + + this.m_texture.upload(); + + if (this.m_surfaceType === es3fShaderDerivateTests.SurfaceType.FLOAT_FBO) { + // No scale or bias used for accuracy. + this.m_derivScale = [1.0, 1.0, 1.0, 1.0]; + this.m_derivBias = [0.0, 0.0, 0.0, 0.0]; + } else { + // Compute scale - bias that normalizes to 0..1 range. + viewportSize = this.getViewportSize(); + /** @type {number} */ var w = viewportSize[0]; + /** @type {number} */ var h = viewportSize[1]; + /** @type {Array<number>} */ var dx = deMath.divide(deMath.subtract(this.m_texValueMax, this.m_texValueMin), [w, w, w * 0.5, -w * 0.5]); + /** @type {Array<number>} */ var dy = deMath.divide(deMath.subtract(this.m_texValueMax, this.m_texValueMin), [h, h, h * 0.5, -h * 0.5]); + + switch (this.m_func) { + case es3fShaderDerivateTests.DerivateFunc.DFDX: + this.m_derivScale = deMath.divide([0.5, 0.5, 0.5, 0.5], dx); + break; + + case es3fShaderDerivateTests.DerivateFunc.DFDY: + this.m_derivScale = deMath.divide([0.5, 0.5, 0.5, 0.5], dy); + break; + + case es3fShaderDerivateTests.DerivateFunc.FWIDTH: + this.m_derivScale = deMath.divide([0.5, 0.5, 0.5, 0.5], deMath.add(deMath.abs(dx), deMath.abs(dy))); + break; + + default: + throw new Error('Derivate Function not supported: ' + this.m_func); + } + + this.m_derivBias = [0.0, 0.0, 0.0, 0.0]; + } + }; + + /** + * @param {WebGLProgram} program + */ + es3fShaderDerivateTests.TextureDerivateCase.prototype.setupRenderState = function(program) { + /** @type {number} */ var texUnit = 1; + + gl.activeTexture(gl.TEXTURE0 + texUnit); + gl.bindTexture(gl.TEXTURE_2D, this.m_texture.getGLTexture()); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); + + gl.uniform1i(gl.getUniformLocation(program, 'u_sampler'), texUnit); + }; + + /** + * @param {tcuTexture.PixelBufferAccess} result + * @param {tcuTexture.PixelBufferAccess} errorMask + * @return {boolean} + */ + es3fShaderDerivateTests.TextureDerivateCase.prototype.verify = function(result, errorMask) { + // \note Edges are ignored in comparison + if (result.getWidth() < 2 || result.getHeight() < 2) + throw new Error('Too small viewport'); + + /** @type {tcuTexture.PixelBufferAccess} */ var compareArea = tcuTextureUtil.getSubregion(result, 1, 1, 0, result.getWidth() - 2, result.getHeight() - 2, 1); + /** @type {tcuTexture.PixelBufferAccess} */ var maskArea = tcuTextureUtil.getSubregion(errorMask, 1, 1, 0, errorMask.getWidth() - 2, errorMask.getHeight() - 2, 1); + /** @type {Array<number>} */ var xScale = [1.0, 0.0, 0.5, -0.5]; + /** @type {Array<number>} */ var yScale = [0.0, 1.0, 0.5, -0.5]; + /** @type {number} */ var w = result.getWidth(); + /** @type {number} */ var h = result.getHeight(); + + /** @type {Array<number>} */ var surfaceThreshold = deMath.divide(this.getSurfaceThreshold(), deMath.abs(this.m_derivScale)); + /** @type {Array<number>} */ var reference; + /** @type {Array<number>} */ var threshold; + if (this.m_func == es3fShaderDerivateTests.DerivateFunc.DFDX || this.m_func == es3fShaderDerivateTests.DerivateFunc.DFDY) { + /** @type {boolean} */ var isX = this.m_func == es3fShaderDerivateTests.DerivateFunc.DFDX; + /** @type {number} */ var div = isX ? w : h; + /** @type {Array<number>} */ var scale = isX ? xScale : yScale; + reference = deMath.multiply(deMath.scale(deMath.subtract(this.m_texValueMax, this.m_texValueMin), 1 / div), scale); + /** @type {Array<number>} */ var opThreshold = es3fShaderDerivateTests.getDerivateThreshold(this.m_precision, deMath.multiply(this.m_texValueMin, scale), deMath.multiply(this.m_texValueMax, scale), reference); + threshold = deMath.max(surfaceThreshold, opThreshold); + + bufferedLogToConsole('Verifying result image.\n'+ + '\tValid derivative is ' + reference + ' with threshold ' + threshold); + + // short circuit if result is strictly within the normal value error bounds. + // This improves performance significantly. + if (es3fShaderDerivateTests.verifyConstantDerivate(compareArea, maskArea, this.m_dataType, + reference, threshold, this.m_derivScale, this.m_derivBias, + es3fShaderDerivateTests.VerificationLogging.LOG_NOTHING)) { + bufferedLogToConsole('No incorrect derivatives found, result valid.'); + return true; + } + // some pixels exceed error bounds calculated for normal values. Verify that these + // potentially invalid pixels are in fact valid due to (for example) subnorm flushing. + + bufferedLogToConsole('Initial verification failed, verifying image by calculating accurate error bounds for each result pixel.\n' + + '\tVerifying each result derivative is within its range of legal result values.'); + + /** @type {Array<number>} */ var valueRamp = deMath.subtract(this.m_texValueMax, this.m_texValueMin); + /** @type {es3fShaderDerivateTests.Linear2DFunctionEvaluator} */ var function_ = new es3fShaderDerivateTests.Linear2DFunctionEvaluator(); + + function_.matrix.setRow(0, [valueRamp[0] / w, 0.0, this.m_texValueMin[0]]); + function_.matrix.setRow(1, [0.0, valueRamp[1] / h, this.m_texValueMin[1]]); + function_.matrix.setRow(2, deMath.scale([valueRamp[2] / w, valueRamp[2] / h, this.m_texValueMin[2] + this.m_texValueMin[2]], 1 / 2.0)); + function_.matrix.setRow(3, deMath.scale([-valueRamp[3] / w, -valueRamp[3] / h, this.m_texValueMax[3] + this.m_texValueMax[3]], 1 / 2.0)); + + return es3fShaderDerivateTests.reverifyConstantDerivateWithFlushRelaxations(compareArea, maskArea, this.m_dataType, this.m_precision, + this.m_derivScale, this.m_derivBias, surfaceThreshold, this.m_func, function_); + } else { + assertMsgOptions(this.m_func == es3fShaderDerivateTests.DerivateFunc.FWIDTH, 'Expected Derivate Function FWIDTH', false, true); + /** @type {Array<number>} */ var dx = deMath.multiply(deMath.scale(deMath.subtract(this.m_texValueMax, this.m_texValueMin), 1 / w), xScale); + /** @type {Array<number>} */ var dy = deMath.multiply(deMath.scale(deMath.subtract(this.m_texValueMax, this.m_texValueMin), 1 / h), yScale); + reference = deMath.add(deMath.abs(dx), deMath.abs(dy)); + /** @type {Array<number>} */ var dxThreshold = es3fShaderDerivateTests.getDerivateThreshold(this.m_precision, deMath.multiply(this.m_texValueMin, xScale), deMath.multiply(this.m_texValueMax, xScale), dx); + /** @type {Array<number>} */ var dyThreshold = es3fShaderDerivateTests.getDerivateThreshold(this.m_precision, deMath.multiply(this.m_texValueMin, yScale), deMath.multiply(this.m_texValueMax, yScale), dy); + threshold = deMath.max(surfaceThreshold, deMath.max(dxThreshold, dyThreshold)); + + return es3fShaderDerivateTests.verifyConstantDerivate(compareArea, maskArea, this.m_dataType, + reference, threshold, this.m_derivScale, this.m_derivBias); + }; + }; + + /** + * @constructor + * @extends {tcuTestCase.DeqpTest} + */ + es3fShaderDerivateTests.ShaderDerivateTests = function() { + tcuTestCase.DeqpTest.call(this, 'derivate', 'Derivate Function Tests'); + }; + + es3fShaderDerivateTests.ShaderDerivateTests.prototype = Object.create(tcuTestCase.DeqpTest.prototype); + es3fShaderDerivateTests.ShaderDerivateTests.prototype.constructor = es3fShaderDerivateTests.ShaderDerivateTests + + /** + * @struct + * @constructor + * @param {string} name + * @param {es3fShaderDerivateTests.DerivateFunc} func + * @param {gluShaderUtil.DataType} dataType_ + * @param {gluShaderUtil.precision} precision_ + */ + es3fShaderDerivateTests.FunctionSpec = function(name, func, dataType_, precision_) { + this.name = name; + this.function_ = func; + this.dataType = dataType_; + this.precision = precision_; + }; + + es3fShaderDerivateTests.ShaderDerivateTests.prototype.init = function() { + var testGroup = tcuTestCase.runner.testCases; + /** + * @struct + * @constructor + * @param {string} name + * @param {string} description + * @param {string} source + */ + var LinearDerivateCase = function(name, description, source) { + /** @type {string} */ this.name = name; + /** @type {string} */ this.description = description; + /** @type {string} */ this.source = source; + }; + + /** @type {Array<LinearDerivateCase>} */ + var s_linearDerivateCases = [ + new LinearDerivateCase( + 'linear', + 'Basic derivate of linearly interpolated argument', + '#version 300 es\n' + + 'in ${PRECISION} ${DATATYPE} v_coord;\n' + + 'layout(location = 0) out ${OUTPUT_PREC} ${OUTPUT_TYPE} o_color;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_scale;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_bias;\n' + + 'void main (void)\n' + + '{\n' + + ' ${PRECISION} ${DATATYPE} res = ${FUNC}(v_coord) * u_scale + u_bias;\n' + + ' o_color = ${CAST_TO_OUTPUT};\n' + + '}\n'), + new LinearDerivateCase( + 'in_function', + 'Derivate of linear function argument', + '#version 300 es\n' + + 'in ${PRECISION} ${DATATYPE} v_coord;\n' + + 'layout(location = 0) out ${OUTPUT_PREC} ${OUTPUT_TYPE} o_color;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_scale;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_bias;\n' + + '\n' + + '${PRECISION} ${DATATYPE} computeRes (${PRECISION} ${DATATYPE} value)\n' + + '{\n' + + ' return ${FUNC}(v_coord) * u_scale + u_bias;\n' + + '}\n' + + '\n' + + 'void main (void)\n' + + '{\n' + + ' ${PRECISION} ${DATATYPE} res = computeRes(v_coord);\n' + + ' o_color = ${CAST_TO_OUTPUT};\n' + + '}\n'), + new LinearDerivateCase( + 'static_if', + 'Derivate of linearly interpolated value in static if', + '#version 300 es\n' + + 'in ${PRECISION} ${DATATYPE} v_coord;\n' + + 'layout(location = 0) out ${OUTPUT_PREC} ${OUTPUT_TYPE} o_color;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_scale;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_bias;\n' + + 'void main (void)\n' + + '{\n' + + ' ${PRECISION} ${DATATYPE} res;\n' + + ' if (false)\n' + + ' res = ${FUNC}(-v_coord) * u_scale + u_bias;\n' + + ' else\n' + + ' res = ${FUNC}(v_coord) * u_scale + u_bias;\n' + + ' o_color = ${CAST_TO_OUTPUT};\n' + + '}\n'), + new LinearDerivateCase( + 'static_loop', + 'Derivate of linearly interpolated value in static loop', + '#version 300 es\n' + + 'in ${PRECISION} ${DATATYPE} v_coord;\n' + + 'layout(location = 0) out ${OUTPUT_PREC} ${OUTPUT_TYPE} o_color;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_scale;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_bias;\n' + + 'void main (void)\n' + + '{\n' + + ' ${PRECISION} ${DATATYPE} res = ${DATATYPE}(0.0);\n' + + ' for (int i = 0; i < 2; i++)\n' + + ' res += ${FUNC}(v_coord * float(i));\n' + + ' res = res * u_scale + u_bias;\n' + + ' o_color = ${CAST_TO_OUTPUT};\n' + + '}\n'), + new LinearDerivateCase( + 'static_switch', + 'Derivate of linearly interpolated value in static switch', + '#version 300 es\n' + + 'in ${PRECISION} ${DATATYPE} v_coord;\n' + + 'layout(location = 0) out ${OUTPUT_PREC} ${OUTPUT_TYPE} o_color;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_scale;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_bias;\n' + + 'void main (void)\n' + + '{\n' + + ' ${PRECISION} ${DATATYPE} res;\n' + + ' switch (1)\n' + + ' {\n' + + ' case 0: res = ${FUNC}(-v_coord) * u_scale + u_bias; break;\n' + + ' case 1: res = ${FUNC}(v_coord) * u_scale + u_bias; break;\n' + + ' }\n' + + ' o_color = ${CAST_TO_OUTPUT};\n' + + '}\n'), + new LinearDerivateCase( + 'uniform_if', + 'Derivate of linearly interpolated value in uniform if', + '#version 300 es\n' + + 'in ${PRECISION} ${DATATYPE} v_coord;\n' + + 'layout(location = 0) out ${OUTPUT_PREC} ${OUTPUT_TYPE} o_color;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_scale;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_bias;\n' + + 'uniform bool ub_true;\n' + + 'void main (void)\n' + + '{\n' + + ' ${PRECISION} ${DATATYPE} res;\n' + + ' if (ub_true)\n' + + ' res = ${FUNC}(v_coord) * u_scale + u_bias;\n' + + ' else\n' + + ' res = ${FUNC}(-v_coord) * u_scale + u_bias;\n' + + ' o_color = ${CAST_TO_OUTPUT};\n' + + '}\n'), + new LinearDerivateCase( + 'uniform_loop', + 'Derivate of linearly interpolated value in uniform loop', + '#version 300 es\n' + + 'in ${PRECISION} ${DATATYPE} v_coord;\n' + + 'layout(location = 0) out ${OUTPUT_PREC} ${OUTPUT_TYPE} o_color;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_scale;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_bias;\n' + + 'uniform int ui_two;\n' + + 'void main (void)\n' + + '{\n' + + ' ${PRECISION} ${DATATYPE} res = ${DATATYPE}(0.0);\n' + + ' for (int i = 0; i < ui_two; i++)\n' + + ' res += ${FUNC}(v_coord * float(i));\n' + + ' res = res * u_scale + u_bias;\n' + + ' o_color = ${CAST_TO_OUTPUT};\n' + + '}\n'), + new LinearDerivateCase( + 'uniform_switch', + 'Derivate of linearly interpolated value in uniform switch', + '#version 300 es\n' + + 'in ${PRECISION} ${DATATYPE} v_coord;\n' + + 'layout(location = 0) out ${OUTPUT_PREC} ${OUTPUT_TYPE} o_color;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_scale;\n' + + 'uniform ${PRECISION} ${DATATYPE} u_bias;\n' + + 'uniform int ui_one;\n' + + 'void main (void)\n' + + '{\n' + + ' ${PRECISION} ${DATATYPE} res;\n' + + ' switch (ui_one)\n' + + ' {\n' + + ' case 0: res = ${FUNC}(-v_coord) * u_scale + u_bias; break;\n' + + ' case 1: res = ${FUNC}(v_coord) * u_scale + u_bias; break;\n' + + ' }\n' + + ' o_color = ${CAST_TO_OUTPUT};\n' + + '}\n') + ]; + + /** + * @struct + * @constructor + * @param {string} name + * @param {es3fShaderDerivateTests.SurfaceType} surfaceType + * @param {number} numSamples + */ + var FboConfig = function(name, surfaceType, numSamples) { + /** @type {string} */ this.name = name; + /** @type {es3fShaderDerivateTests.SurfaceType} */ this.surfaceType = surfaceType; + /** @type {number} */ this.numSamples = numSamples; + }; + + /** @type {Array<FboConfig>} */ var s_fboConfigs = [ + new FboConfig('fbo', es3fShaderDerivateTests.SurfaceType.DEFAULT_FRAMEBUFFER, 0), + new FboConfig('fbo_msaa2', es3fShaderDerivateTests.SurfaceType.UNORM_FBO, 2), + new FboConfig('fbo_msaa4', es3fShaderDerivateTests.SurfaceType.UNORM_FBO, 4), + new FboConfig('fbo_float', es3fShaderDerivateTests.SurfaceType.FLOAT_FBO, 0) + ]; + + /** + * @struct + * @constructor + * @param {string} name + * @param {number} hint + */ + var Hint = function(name, hint) { + /** @type {string} */ this.name = name; + /** @type {number} */ this.hint = hint; + }; + + /** @type {Array<Hint>} */ var s_hints = [ + new Hint('fastest', gl.FASTEST), + new Hint('nicest', gl.NICEST) + ]; + + /** + * @struct + * @constructor + * @param {string} name + * @param {es3fShaderDerivateTests.SurfaceType} surfaceType + * @param {number} numSamples + */ + var HintFboConfig = function(name, surfaceType, numSamples) { + /** @type {string} */ this.name = name; + /** @type {es3fShaderDerivateTests.SurfaceType} */ this.surfaceType = surfaceType; + /** @type {number} */ this.numSamples = numSamples; + }; + + /** @type {Array<HintFboConfig>} */ var s_hintFboConfigs = [ + new HintFboConfig('default', es3fShaderDerivateTests.SurfaceType.DEFAULT_FRAMEBUFFER, 0), + new HintFboConfig('fbo_msaa4', es3fShaderDerivateTests.SurfaceType.UNORM_FBO, 4), + new HintFboConfig('fbo_float', es3fShaderDerivateTests.SurfaceType.FLOAT_FBO, 0) + ]; + + /** + * @struct + * @constructor + * @param {string} name + * @param {es3fShaderDerivateTests.SurfaceType} surfaceType + * @param {number} numSamples + * @param {number} hint + */ + var TextureConfig = function(name, surfaceType, numSamples, hint) { + /** @type {string} */ this.name = name; + /** @type {es3fShaderDerivateTests.SurfaceType} */ this.surfaceType = surfaceType; + /** @type {number} */ this.numSamples = numSamples; + /** @type {number} */ this.hint = hint; + }; + + /** @type {Array<TextureConfig>} */ var s_textureConfigs = [ + new TextureConfig('basic', es3fShaderDerivateTests.SurfaceType.DEFAULT_FRAMEBUFFER, 0, gl.DONT_CARE), + new TextureConfig('msaa4', es3fShaderDerivateTests.SurfaceType.UNORM_FBO, 4, gl.DONT_CARE), + new TextureConfig('float_fastest', es3fShaderDerivateTests.SurfaceType.FLOAT_FBO, 0, gl.FASTEST), + new TextureConfig('float_nicest', es3fShaderDerivateTests.SurfaceType.FLOAT_FBO, 0, gl.NICEST) + ]; + + /** @type {gluShaderUtil.DataType} */ var dataType; + /** @type {string} */ var source; + /** @type {gluShaderUtil.precision} */ var precision; + /** @type {es3fShaderDerivateTests.SurfaceType} */ var surfaceType; + /** @type {number} */ var numSamples; + /** @type {number} */ var hint; + /** @type {string} */ var caseName; + /** @type {tcuTestCase.DeqpTest} */ var fboGroup; + + // .dfdx, .dfdy, .fwidth + for (var funcNdx in es3fShaderDerivateTests.DerivateFunc) { + /** @type {es3fShaderDerivateTests.DerivateFunc} */ var function_ = es3fShaderDerivateTests.DerivateFunc[funcNdx]; + /** @type {tcuTestCase.DeqpTest} */ var functionGroup = tcuTestCase.newTest(es3fShaderDerivateTests.getDerivateFuncCaseName(function_), es3fShaderDerivateTests.getDerivateFuncName(function_)); + testGroup.addChild(functionGroup); + + // .constant - no precision variants, checks that derivate of constant arguments is 0 + /** @type {tcuTestCase.DeqpTest} */ var constantGroup = tcuTestCase.newTest('constant', 'Derivate of constant argument'); + functionGroup.addChild(constantGroup); + + for (var vecSize = 1; vecSize <= 4; vecSize++) { + dataType = vecSize > 1 ? gluShaderUtil.getDataTypeFloatVec(vecSize) : gluShaderUtil.DataType.FLOAT; + constantGroup.addChild(new es3fShaderDerivateTests.ConstantDerivateCase(gluShaderUtil.getDataTypeName(dataType), '', function_, dataType)); + } + + // Cases based on LinearDerivateCase + for (var caseNdx = 0; caseNdx < s_linearDerivateCases.length; caseNdx++) { + /** @type {tcuTestCase.DeqpTest} */ var linearCaseGroup = tcuTestCase.newTest(s_linearDerivateCases[caseNdx].name, s_linearDerivateCases[caseNdx].description); + source = s_linearDerivateCases[caseNdx].source; + functionGroup.addChild(linearCaseGroup); + + for (var vecSize = 1; vecSize <= 4; vecSize++) + for (var precNdx in gluShaderUtil.precision) { + dataType = vecSize > 1 ? gluShaderUtil.getDataTypeFloatVec(vecSize) : gluShaderUtil.DataType.FLOAT; + precision = gluShaderUtil.precision[precNdx]; + surfaceType = es3fShaderDerivateTests.SurfaceType.DEFAULT_FRAMEBUFFER; + numSamples = 0; + hint = gl.DONT_CARE; + + if (caseNdx !== 0 && precision === gluShaderUtil.precision.PRECISION_LOWP) + continue; // Skip as lowp doesn't actually produce any bits when rendered to default FB. + + caseName = gluShaderUtil.getDataTypeName(dataType) + '_' + gluShaderUtil.getPrecisionName(precision); + + linearCaseGroup.addChild(new es3fShaderDerivateTests.LinearDerivateCase(caseName, '', function_, dataType, precision, hint, surfaceType, numSamples, source)); + } + } + + // Fbo cases + for (var caseNdx = 0; caseNdx < s_fboConfigs.length; caseNdx++) { + fboGroup = tcuTestCase.newTest(s_fboConfigs[caseNdx].name, 'Derivate usage when rendering into FBO'); + source = s_linearDerivateCases[0].source; // use source from .linear group + surfaceType = s_fboConfigs[caseNdx].surfaceType; + numSamples = s_fboConfigs[caseNdx].numSamples; + functionGroup.addChild(fboGroup); + + for (var vecSize = 1; vecSize <= 4; vecSize++) + for (var precNdx in gluShaderUtil.precision) { + dataType = vecSize > 1 ? gluShaderUtil.getDataTypeFloatVec(vecSize) : gluShaderUtil.DataType.FLOAT; + precision = gluShaderUtil.precision[precNdx]; + hint = gl.DONT_CARE; + + if (surfaceType !== es3fShaderDerivateTests.SurfaceType.FLOAT_FBO && precision === gluShaderUtil.precision.PRECISION_LOWP) + continue; // Skip as lowp doesn't actually produce any bits when rendered to U8 RT. + + caseName = gluShaderUtil.getDataTypeName(dataType) + '_' + gluShaderUtil.getPrecisionName(precision); + + fboGroup.addChild(new es3fShaderDerivateTests.LinearDerivateCase(caseName, '', function_, dataType, precision, hint, surfaceType, numSamples, source)); + } + } + + // .fastest, .nicest + for (var hintCaseNdx = 0; hintCaseNdx < s_hints.length; hintCaseNdx++) { + /** @type {tcuTestCase.DeqpTest} */ var hintGroup = tcuTestCase.newTest(s_hints[hintCaseNdx].name, 'Shader derivate hints'); + source = s_linearDerivateCases[0].source; // use source from .linear group + hint = s_hints[hintCaseNdx].hint; + functionGroup.addChild(hintGroup); + + for (var fboCaseNdx = 0; fboCaseNdx < s_hintFboConfigs.length; fboCaseNdx++) { + fboGroup = tcuTestCase.newTest(s_hintFboConfigs[fboCaseNdx].name, ''); + surfaceType = s_hintFboConfigs[fboCaseNdx].surfaceType; + numSamples = s_hintFboConfigs[fboCaseNdx].numSamples; + hintGroup.addChild(fboGroup); + + for (var vecSize = 1; vecSize <= 4; vecSize++) + for (var precNdx in gluShaderUtil.precision) { + dataType = vecSize > 1 ? gluShaderUtil.getDataTypeFloatVec(vecSize) : gluShaderUtil.DataType.FLOAT; + precision = gluShaderUtil.precision[precNdx]; + + if (surfaceType !== es3fShaderDerivateTests.SurfaceType.FLOAT_FBO && precision === gluShaderUtil.precision.PRECISION_LOWP) + continue; // Skip as lowp doesn't actually produce any bits when rendered to U8 RT. + + caseName = gluShaderUtil.getDataTypeName(dataType) + '_' + gluShaderUtil.getPrecisionName(precision); + + fboGroup.addChild(new es3fShaderDerivateTests.LinearDerivateCase(caseName, '', function_, dataType, precision, hint, surfaceType, numSamples, source)); + } + } + } + + // .texture + /** @type {tcuTestCase.DeqpTest} */ var textureGroup = tcuTestCase.newTest('texture', 'Derivate of texture lookup result'); + functionGroup.addChild(textureGroup); + + for (var texCaseNdx = 0; texCaseNdx < s_textureConfigs.length; texCaseNdx++) { + /** @type {tcuTestCase.DeqpTest} */ var caseGroup = tcuTestCase.newTest(s_textureConfigs[texCaseNdx].name, ''); + surfaceType = s_textureConfigs[texCaseNdx].surfaceType; + numSamples = s_textureConfigs[texCaseNdx].numSamples; + hint = s_textureConfigs[texCaseNdx].hint; + textureGroup.addChild(caseGroup); + + for (var vecSize = 1; vecSize <= 4; vecSize++) + for (var precNdx in gluShaderUtil.precision) { + dataType = vecSize > 1 ? gluShaderUtil.getDataTypeFloatVec(vecSize) : gluShaderUtil.DataType.FLOAT; + precision = gluShaderUtil.precision[precNdx]; + + if (surfaceType !== es3fShaderDerivateTests.SurfaceType.FLOAT_FBO && precision === gluShaderUtil.precision.PRECISION_LOWP) + continue; // Skip as lowp doesn't actually produce any bits when rendered to U8 RT. + + caseName = gluShaderUtil.getDataTypeName(dataType) + '_' + gluShaderUtil.getPrecisionName(precision); + + caseGroup.addChild(new es3fShaderDerivateTests.TextureDerivateCase(caseName, '', function_, dataType, precision, hint, surfaceType, numSamples)); + } + } + } + }; + + /** + * Run test + * @param {WebGL2RenderingContext} context + */ + es3fShaderDerivateTests.run = function(context, range) { + gl = context; + //Set up Test Root parameters + var state = tcuTestCase.runner; + state.setRoot(new es3fShaderDerivateTests.ShaderDerivateTests()); + + //Set up name and description of this test series. + setCurrentTestName(state.testCases.fullName()); + description(state.testCases.getDescription()); + + try { + if (range) + state.setRange(range); + //Run test cases + tcuTestCase.runTestCases(); + } + catch (err) { + testFailedOptions('Failed to es3fShaderDerivateTests.run tests', false); + tcuTestCase.runner.terminate(); + } + }; + +}); |