/*------------------------------------------------------------------------- * 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('framework.common.tcuTexture'); goog.require('framework.common.tcuFloat'); goog.require('framework.delibs.debase.deMath'); goog.require('framework.delibs.debase.deString'); goog.require('framework.delibs.debase.deUtil'); goog.scope(function() { var tcuTexture = framework.common.tcuTexture; var deMath = framework.delibs.debase.deMath; var tcuFloat = framework.common.tcuFloat; var deString = framework.delibs.debase.deString; var deUtil = framework.delibs.debase.deUtil; var DE_ASSERT = function(x) { if (!x) throw new Error('Assert failed'); }; /** * Texture tcuTexture.channel order * @enum */ tcuTexture.ChannelOrder = { R: 0, A: 1, I: 2, L: 3, LA: 4, RG: 5, RA: 6, RGB: 7, RGBA: 8, ARGB: 9, BGRA: 10, sRGB: 11, sRGBA: 12, D: 13, S: 14, DS: 15 }; /** * Texture tcuTexture.channel type * @enum */ tcuTexture.ChannelType = { SNORM_INT8: 0, SNORM_INT16: 1, SNORM_INT32: 2, UNORM_INT8: 3, UNORM_INT16: 4, UNORM_INT32: 5, UNORM_SHORT_565: 6, UNORM_SHORT_555: 7, UNORM_SHORT_4444: 8, UNORM_SHORT_5551: 9, UNORM_INT_101010: 10, UNORM_INT_1010102_REV: 11, UNSIGNED_INT_1010102_REV: 12, UNSIGNED_INT_11F_11F_10F_REV: 13, UNSIGNED_INT_999_E5_REV: 14, UNSIGNED_INT_24_8: 15, SIGNED_INT8: 16, SIGNED_INT16: 17, SIGNED_INT32: 18, UNSIGNED_INT8: 19, UNSIGNED_INT16: 20, UNSIGNED_INT32: 21, HALF_FLOAT: 22, FLOAT: 23, FLOAT_UNSIGNED_INT_24_8_REV: 24 }; /** * Enums for tcuTexture.TextureChannelClass * @enum {number} */ tcuTexture.TextureChannelClass = { SIGNED_FIXED_POINT: 0, UNSIGNED_FIXED_POINT: 1, SIGNED_INTEGER: 2, UNSIGNED_INTEGER: 3, FLOATING_POINT: 4 }; /** * @param {?tcuTexture.ChannelType} channelType * @return {tcuTexture.TextureChannelClass} */ tcuTexture.getTextureChannelClass = function(channelType) { switch (channelType) { case tcuTexture.ChannelType.SNORM_INT8: return tcuTexture.TextureChannelClass.SIGNED_FIXED_POINT; case tcuTexture.ChannelType.SNORM_INT16: return tcuTexture.TextureChannelClass.SIGNED_FIXED_POINT; case tcuTexture.ChannelType.UNORM_INT8: return tcuTexture.TextureChannelClass.UNSIGNED_FIXED_POINT; case tcuTexture.ChannelType.UNORM_INT16: return tcuTexture.TextureChannelClass.UNSIGNED_FIXED_POINT; case tcuTexture.ChannelType.UNORM_SHORT_565: return tcuTexture.TextureChannelClass.UNSIGNED_FIXED_POINT; case tcuTexture.ChannelType.UNORM_SHORT_555: return tcuTexture.TextureChannelClass.UNSIGNED_FIXED_POINT; case tcuTexture.ChannelType.UNORM_SHORT_4444: return tcuTexture.TextureChannelClass.UNSIGNED_FIXED_POINT; case tcuTexture.ChannelType.UNORM_SHORT_5551: return tcuTexture.TextureChannelClass.UNSIGNED_FIXED_POINT; case tcuTexture.ChannelType.UNORM_INT_101010: return tcuTexture.TextureChannelClass.UNSIGNED_FIXED_POINT; case tcuTexture.ChannelType.UNORM_INT_1010102_REV: return tcuTexture.TextureChannelClass.UNSIGNED_FIXED_POINT; case tcuTexture.ChannelType.UNSIGNED_INT_1010102_REV: return tcuTexture.TextureChannelClass.UNSIGNED_INTEGER; case tcuTexture.ChannelType.UNSIGNED_INT_11F_11F_10F_REV: return tcuTexture.TextureChannelClass.FLOATING_POINT; case tcuTexture.ChannelType.UNSIGNED_INT_999_E5_REV: return tcuTexture.TextureChannelClass.FLOATING_POINT; case tcuTexture.ChannelType.SIGNED_INT8: return tcuTexture.TextureChannelClass.SIGNED_INTEGER; case tcuTexture.ChannelType.SIGNED_INT16: return tcuTexture.TextureChannelClass.SIGNED_INTEGER; case tcuTexture.ChannelType.SIGNED_INT32: return tcuTexture.TextureChannelClass.SIGNED_INTEGER; case tcuTexture.ChannelType.UNSIGNED_INT8: return tcuTexture.TextureChannelClass.UNSIGNED_INTEGER; case tcuTexture.ChannelType.UNSIGNED_INT16: return tcuTexture.TextureChannelClass.UNSIGNED_INTEGER; case tcuTexture.ChannelType.UNSIGNED_INT32: return tcuTexture.TextureChannelClass.UNSIGNED_INTEGER; case tcuTexture.ChannelType.HALF_FLOAT: return tcuTexture.TextureChannelClass.FLOATING_POINT; case tcuTexture.ChannelType.FLOAT: return tcuTexture.TextureChannelClass.FLOATING_POINT; default: return /** @type {tcuTexture.TextureChannelClass} */ (Object.keys(tcuTexture.ChannelType).length); } }; /** * @param {tcuTexture.TextureFormat} format */ tcuTexture.isFixedPointDepthTextureFormat = function(format) { var channelClass = tcuTexture.getTextureChannelClass(format.type); if (format.order == tcuTexture.ChannelOrder.D) { // depth internal formats cannot be non-normalized integers return channelClass != tcuTexture.TextureChannelClass.FLOATING_POINT; } else if (format.order == tcuTexture.ChannelOrder.DS) { // combined formats have no single channel class, detect format manually switch (format.type) { case tcuTexture.ChannelType.FLOAT_UNSIGNED_INT_24_8_REV: return false; case tcuTexture.ChannelType.UNSIGNED_INT_24_8: return true; default: // unknown format DE_ASSERT(false); return true; } } return false; }; /** * @param {Array} color * @param {tcuTexture.CompareMode} compare * @param {number} chanNdx * @param {number} ref_ * @param {boolean} isFixedPoint */ tcuTexture.execCompare = function(color, compare, chanNdx, ref_, isFixedPoint) { var clampValues = isFixedPoint; var cmp = clampValues ? deMath.clamp(color[chanNdx], 0.0, 1.0) : color[chanNdx]; var ref = clampValues ? deMath.clamp(ref_, 0.0, 1.0) : ref_; var res = false; switch (compare) { case tcuTexture.CompareMode.COMPAREMODE_LESS: res = ref < cmp; break; case tcuTexture.CompareMode.COMPAREMODE_LESS_OR_EQUAL: res = ref <= cmp; break; case tcuTexture.CompareMode.COMPAREMODE_GREATER: res = ref > cmp; break; case tcuTexture.CompareMode.COMPAREMODE_GREATER_OR_EQUAL: res = ref >= cmp; break; case tcuTexture.CompareMode.COMPAREMODE_EQUAL: res = ref == cmp; break; case tcuTexture.CompareMode.COMPAREMODE_NOT_EQUAL: res = ref != cmp; break; case tcuTexture.CompareMode.COMPAREMODE_ALWAYS: res = true; break; case tcuTexture.CompareMode.COMPAREMODE_NEVER: res = false; break; default: DE_ASSERT(false); } return res ? 1.0 : 0.0; }; /** * @param {Array} levels * @param {number} numLevels * @param {tcuTexture.Sampler} sampler * @param {number} ref * @param {number} s * @param {number} t * @param {number} lod * @param {Array} offset */ tcuTexture.sampleLevelArray2DCompare = function(levels, numLevels, sampler, ref, s, t, lod, offset) { var magnified = lod <= sampler.lodThreshold; var filterMode = magnified ? sampler.magFilter : sampler.minFilter; switch (filterMode) { case tcuTexture.FilterMode.NEAREST: return levels[0].sample2DCompare(sampler, filterMode, ref, s, t, offset); case tcuTexture.FilterMode.LINEAR: return levels[0].sample2DCompare(sampler, filterMode, ref, s, t, offset); case tcuTexture.FilterMode.NEAREST_MIPMAP_NEAREST: case tcuTexture.FilterMode.LINEAR_MIPMAP_NEAREST: { var maxLevel = numLevels - 1; var level = deMath.clamp(Math.ceil(lod + 0.5) - 1, 0, maxLevel); var levelFilter = filterMode == tcuTexture.FilterMode.LINEAR_MIPMAP_NEAREST ? tcuTexture.FilterMode.LINEAR : tcuTexture.FilterMode.NEAREST; return levels[level].sample2DCompare(sampler, levelFilter, ref, s, t, offset); } case tcuTexture.FilterMode.NEAREST_MIPMAP_LINEAR: case tcuTexture.FilterMode.LINEAR_MIPMAP_LINEAR: { var maxLevel = numLevels - 1; var level0 = deMath.clamp(Math.floor(lod), 0, maxLevel); var level1 = Math.min(maxLevel, level0 + 1); var levelFilter = filterMode == tcuTexture.FilterMode.LINEAR_MIPMAP_LINEAR ? tcuTexture.FilterMode.LINEAR : tcuTexture.FilterMode.NEAREST; var f = deMath.deFloatFrac(lod); var t0 = levels[level0].sample2DCompare(sampler, levelFilter, ref, s, t, offset); var t1 = levels[level1].sample2DCompare(sampler, levelFilter, ref, s, t, offset); return t0 * (1.0 - f) + t1 * f; } default: DE_ASSERT(false); return 0.0; } }; /** * @param {tcuTexture.ConstPixelBufferAccess} access * @param {tcuTexture.Sampler} sampler * @param {number} ref * @param {number} u * @param {number} v * @param {Array} offset * @param {boolean} isFixedPointDepthFormat * @return {number} */ tcuTexture.sampleLinear2DCompare = function(access, sampler, ref, u, v, offset, isFixedPointDepthFormat) { var w = access.getWidth(); var h = access.getHeight(); var x0 = Math.floor(u - 0.5) + offset[0]; var x1 = x0 + 1; var y0 = Math.floor(v - 0.5) + offset[1]; var y1 = y0 + 1; var i0 = tcuTexture.wrap(sampler.wrapS, x0, w); var i1 = tcuTexture.wrap(sampler.wrapS, x1, w); var j0 = tcuTexture.wrap(sampler.wrapT, y0, h); var j1 = tcuTexture.wrap(sampler.wrapT, y1, h); var a = deMath.deFloatFrac(u - 0.5); var b = deMath.deFloatFrac(v - 0.5); var i0UseBorder = sampler.wrapS == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(i0, 0, w); var i1UseBorder = sampler.wrapS == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(i1, 0, w); var j0UseBorder = sampler.wrapT == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(j0, 0, h); var j1UseBorder = sampler.wrapT == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(j1, 0, h); // Border color for out-of-range coordinates if using CLAMP_TO_BORDER, otherwise execute lookups. var p00Clr = (i0UseBorder || j0UseBorder) ? sampler.borderColor : tcuTexture.lookup(access, i0, j0, offset[2]); var p10Clr = (i1UseBorder || j0UseBorder) ? sampler.borderColor : tcuTexture.lookup(access, i1, j0, offset[2]); var p01Clr = (i0UseBorder || j1UseBorder) ? sampler.borderColor : tcuTexture.lookup(access, i0, j1, offset[2]); var p11Clr = (i1UseBorder || j1UseBorder) ? sampler.borderColor : tcuTexture.lookup(access, i1, j1, offset[2]); // Execute comparisons. var p00 = tcuTexture.execCompare(p00Clr, sampler.compare, sampler.compareChannel, ref, isFixedPointDepthFormat); var p10 = tcuTexture.execCompare(p10Clr, sampler.compare, sampler.compareChannel, ref, isFixedPointDepthFormat); var p01 = tcuTexture.execCompare(p01Clr, sampler.compare, sampler.compareChannel, ref, isFixedPointDepthFormat); var p11 = tcuTexture.execCompare(p11Clr, sampler.compare, sampler.compareChannel, ref, isFixedPointDepthFormat); // Interpolate. return (p00 * (1.0 - a) * (1.0 - b)) + (p10 * (a) * (1.0 - b)) + (p01 * (1.0 - a) * (b)) + (p11 * (a) * (b)); }; /** * Construct texture format * @param {?tcuTexture.ChannelOrder} order * @param {?tcuTexture.ChannelType} type * * @constructor */ tcuTexture.TextureFormat = function(order, type) { this.order = order; this.type = type; }; /** * Compare two formats * @param {tcuTexture.TextureFormat} format Format to compare with * @return {boolean} */ tcuTexture.TextureFormat.prototype.isEqual = function(format) { return this.order === format.order && this.type === format.type; }; tcuTexture.TextureFormat.prototype.toString = function() { return 'TextureFormat(' + deString.enumToString(tcuTexture.ChannelOrder, this.order) + ', ' + deString.enumToString(tcuTexture.ChannelType, this.type) + ')'; }; /** * Is format sRGB? * @return {boolean} */ tcuTexture.TextureFormat.prototype.isSRGB = function() { return this.order === tcuTexture.ChannelOrder.sRGB || this.order === tcuTexture.ChannelOrder.sRGBA; }; tcuTexture.TextureFormat.prototype.getNumStencilBits = function() { switch (this.order) { case tcuTexture.ChannelOrder.S: switch (this.type) { case tcuTexture.ChannelType.UNSIGNED_INT8: return 8; case tcuTexture.ChannelType.UNSIGNED_INT16: return 16; case tcuTexture.ChannelType.UNSIGNED_INT32: return 32; default: throw new Error('Wrong type: ' + this.type); } case tcuTexture.ChannelOrder.DS: switch (this.type) { case tcuTexture.ChannelType.UNSIGNED_INT_24_8: return 8; case tcuTexture.ChannelType.FLOAT_UNSIGNED_INT_24_8_REV: return 8; default: throw new Error('Wrong type: ' + this.type); } default: throw new Error('Wrong order: ' + this.order); } }; /** * Get TypedArray type that can be used to access texture. * @param {?tcuTexture.ChannelType} type * @return TypedArray that supports the tcuTexture.channel type. */ tcuTexture.getTypedArray = function(type) { switch (type) { case tcuTexture.ChannelType.SNORM_INT8: return Int8Array; case tcuTexture.ChannelType.SNORM_INT16: return Int16Array; case tcuTexture.ChannelType.SNORM_INT32: return Int32Array; case tcuTexture.ChannelType.UNORM_INT8: return Uint8Array; case tcuTexture.ChannelType.UNORM_INT16: return Uint16Array; case tcuTexture.ChannelType.UNORM_INT32: return Uint32Array; case tcuTexture.ChannelType.UNORM_SHORT_565: return Uint16Array; case tcuTexture.ChannelType.UNORM_SHORT_555: return Uint16Array; case tcuTexture.ChannelType.UNORM_SHORT_4444: return Uint16Array; case tcuTexture.ChannelType.UNORM_SHORT_5551: return Uint16Array; case tcuTexture.ChannelType.UNORM_INT_101010: return Uint32Array; case tcuTexture.ChannelType.UNORM_INT_1010102_REV: return Uint32Array; case tcuTexture.ChannelType.UNSIGNED_INT_1010102_REV: return Uint32Array; case tcuTexture.ChannelType.UNSIGNED_INT_11F_11F_10F_REV: return Uint32Array; case tcuTexture.ChannelType.UNSIGNED_INT_999_E5_REV: return Uint32Array; case tcuTexture.ChannelType.UNSIGNED_INT_24_8: return Uint32Array; case tcuTexture.ChannelType.FLOAT: return Float32Array; case tcuTexture.ChannelType.SIGNED_INT8: return Int8Array; case tcuTexture.ChannelType.SIGNED_INT16: return Int16Array; case tcuTexture.ChannelType.SIGNED_INT32: return Int32Array; case tcuTexture.ChannelType.UNSIGNED_INT8: return Uint8Array; case tcuTexture.ChannelType.UNSIGNED_INT16: return Uint16Array; case tcuTexture.ChannelType.UNSIGNED_INT32: return Uint32Array; case tcuTexture.ChannelType.HALF_FLOAT: return Uint16Array; case tcuTexture.ChannelType.FLOAT_UNSIGNED_INT_24_8_REV: return Float32Array; /* this type is a special case */ } throw new Error('Unrecognized type ' + type); }; /** * @return {number} pixel size in bytes */ tcuTexture.TextureFormat.prototype.getPixelSize = function() { if (this.type == null || this.order == null) { // Invalid/empty format. return 0; } else if (this.type == tcuTexture.ChannelType.UNORM_SHORT_565 || this.type == tcuTexture.ChannelType.UNORM_SHORT_555 || this.type == tcuTexture.ChannelType.UNORM_SHORT_4444 || this.type == tcuTexture.ChannelType.UNORM_SHORT_5551) { DE_ASSERT(this.order == tcuTexture.ChannelOrder.RGB || this.order == tcuTexture.ChannelOrder.RGBA); return 2; } else if (this.type == tcuTexture.ChannelType.UNORM_INT_101010 || this.type == tcuTexture.ChannelType.UNSIGNED_INT_999_E5_REV || this.type == tcuTexture.ChannelType.UNSIGNED_INT_11F_11F_10F_REV) { DE_ASSERT(this.order == tcuTexture.ChannelOrder.RGB); return 4; } else if (this.type == tcuTexture.ChannelType.UNORM_INT_1010102_REV || this.type == tcuTexture.ChannelType.UNSIGNED_INT_1010102_REV) { DE_ASSERT(this.order == tcuTexture.ChannelOrder.RGBA); return 4; } else if (this.type == tcuTexture.ChannelType.UNSIGNED_INT_24_8) { DE_ASSERT(this.order == tcuTexture.ChannelOrder.D || this.order == tcuTexture.ChannelOrder.DS); return 4; } else if (this.type == tcuTexture.ChannelType.FLOAT_UNSIGNED_INT_24_8_REV) { DE_ASSERT(this.order == tcuTexture.ChannelOrder.DS); return 8; } else { var numChannels; var channelSize; switch (this.order) { case tcuTexture.ChannelOrder.R: numChannels = 1; break; case tcuTexture.ChannelOrder.A: numChannels = 1; break; case tcuTexture.ChannelOrder.I: numChannels = 1; break; case tcuTexture.ChannelOrder.L: numChannels = 1; break; case tcuTexture.ChannelOrder.LA: numChannels = 2; break; case tcuTexture.ChannelOrder.RG: numChannels = 2; break; case tcuTexture.ChannelOrder.RA: numChannels = 2; break; case tcuTexture.ChannelOrder.RGB: numChannels = 3; break; case tcuTexture.ChannelOrder.RGBA: numChannels = 4; break; case tcuTexture.ChannelOrder.ARGB: numChannels = 4; break; case tcuTexture.ChannelOrder.BGRA: numChannels = 4; break; case tcuTexture.ChannelOrder.sRGB: numChannels = 3; break; case tcuTexture.ChannelOrder.sRGBA: numChannels = 4; break; case tcuTexture.ChannelOrder.D: numChannels = 1; break; case tcuTexture.ChannelOrder.S: numChannels = 1; break; case tcuTexture.ChannelOrder.DS: numChannels = 2; break; default: DE_ASSERT(false); } switch (this.type) { case tcuTexture.ChannelType.SNORM_INT8: channelSize = 1; break; case tcuTexture.ChannelType.SNORM_INT16: channelSize = 2; break; case tcuTexture.ChannelType.SNORM_INT32: channelSize = 4; break; case tcuTexture.ChannelType.UNORM_INT8: channelSize = 1; break; case tcuTexture.ChannelType.UNORM_INT16: channelSize = 2; break; case tcuTexture.ChannelType.UNORM_INT32: channelSize = 4; break; case tcuTexture.ChannelType.SIGNED_INT8: channelSize = 1; break; case tcuTexture.ChannelType.SIGNED_INT16: channelSize = 2; break; case tcuTexture.ChannelType.SIGNED_INT32: channelSize = 4; break; case tcuTexture.ChannelType.UNSIGNED_INT8: channelSize = 1; break; case tcuTexture.ChannelType.UNSIGNED_INT16: channelSize = 2; break; case tcuTexture.ChannelType.UNSIGNED_INT32: channelSize = 4; break; case tcuTexture.ChannelType.HALF_FLOAT: channelSize = 2; break; case tcuTexture.ChannelType.FLOAT: channelSize = 4; break; default: DE_ASSERT(false); } return numChannels * channelSize; } }; /** * @enum */ tcuTexture.CubeFace = { CUBEFACE_NEGATIVE_X: 0, CUBEFACE_POSITIVE_X: 1, CUBEFACE_NEGATIVE_Y: 2, CUBEFACE_POSITIVE_Y: 3, CUBEFACE_NEGATIVE_Z: 4, CUBEFACE_POSITIVE_Z: 5 }; /** * Renamed from ArrayBuffer due to name clash * Wraps ArrayBuffer. * @constructor * @param {number=} numElements */ tcuTexture.DeqpArrayBuffer = function(numElements) { if (numElements) this.m_ptr = new ArrayBuffer(numElements); }; /** * Set array size * @param {number} numElements Size in bytes */ tcuTexture.DeqpArrayBuffer.prototype.setStorage = function(numElements) { this.m_ptr = new ArrayBuffer(numElements); }; /** * @return {number} Buffer size */ tcuTexture.DeqpArrayBuffer.prototype.size = function() { if (this.m_ptr) return this.m_ptr.byteLength; return 0; }; /** * Is the buffer empty (zero size)? * @return {boolean} */ tcuTexture.DeqpArrayBuffer.prototype.empty = function() { if (!this.m_ptr) return true; return this.size() == 0; }; /** * @enum * The values are negative to avoid conflict with channels 0 - 3 */ tcuTexture.channel = { ZERO: -1, ONE: -2 }; /** * @param {tcuTexture.ChannelOrder} order * @return {Array} */ tcuTexture.getChannelReadMap = function(order) { switch (order) { /*static const Channel INV[] = { tcuTexture.channel.ZERO, tcuTexture.channel.ZERO, tcuTexture.channel.ZERO, tcuTexture.channel.ONE }; */ case tcuTexture.ChannelOrder.R: return [0, tcuTexture.channel.ZERO, tcuTexture.channel.ZERO, tcuTexture.channel.ONE]; case tcuTexture.ChannelOrder.A: return [tcuTexture.channel.ZERO, tcuTexture.channel.ZERO, tcuTexture.channel.ZERO, 0]; case tcuTexture.ChannelOrder.I: return [0, 0, 0, 0]; case tcuTexture.ChannelOrder.L: return [0, 0, 0, tcuTexture.channel.ONE]; case tcuTexture.ChannelOrder.LA: return [0, 0, 0, 1]; case tcuTexture.ChannelOrder.RG: return [0, 1, tcuTexture.channel.ZERO, tcuTexture.channel.ONE]; case tcuTexture.ChannelOrder.RA: return [0, tcuTexture.channel.ZERO, tcuTexture.channel.ZERO, 1]; case tcuTexture.ChannelOrder.RGB: return [0, 1, 2, tcuTexture.channel.ONE]; case tcuTexture.ChannelOrder.RGBA: return [0, 1, 2, 3]; case tcuTexture.ChannelOrder.BGRA: return [2, 1, 0, 3]; case tcuTexture.ChannelOrder.ARGB: return [1, 2, 3, 0]; case tcuTexture.ChannelOrder.sRGB: return [0, 1, 2, tcuTexture.channel.ONE]; case tcuTexture.ChannelOrder.sRGBA: return [0, 1, 2, 3]; case tcuTexture.ChannelOrder.D: return [0, tcuTexture.channel.ZERO, tcuTexture.channel.ZERO, tcuTexture.channel.ONE]; case tcuTexture.ChannelOrder.S: return [tcuTexture.channel.ZERO, tcuTexture.channel.ZERO, tcuTexture.channel.ZERO, 0]; case tcuTexture.ChannelOrder.DS: return [0, tcuTexture.channel.ZERO, tcuTexture.channel.ZERO, 1]; } throw new Error('Unrecognized order ' + order); }; /** * @param {tcuTexture.ChannelOrder} order * @return {Array} */ tcuTexture.getChannelWriteMap = function(order) { switch (order) { case tcuTexture.ChannelOrder.R: return [0]; case tcuTexture.ChannelOrder.A: return [3]; case tcuTexture.ChannelOrder.I: return [0]; case tcuTexture.ChannelOrder.L: return [0]; case tcuTexture.ChannelOrder.LA: return [0, 3]; case tcuTexture.ChannelOrder.RG: return [0, 1]; case tcuTexture.ChannelOrder.RA: return [0, 3]; case tcuTexture.ChannelOrder.RGB: return [0, 1, 2]; case tcuTexture.ChannelOrder.RGBA: return [0, 1, 2, 3]; case tcuTexture.ChannelOrder.ARGB: return [3, 0, 1, 2]; case tcuTexture.ChannelOrder.BGRA: return [2, 1, 0, 3]; case tcuTexture.ChannelOrder.sRGB: return [0, 1, 2]; case tcuTexture.ChannelOrder.sRGBA: return [0, 1, 2, 3]; case tcuTexture.ChannelOrder.D: return [0]; case tcuTexture.ChannelOrder.S: return [3]; case tcuTexture.ChannelOrder.DS: return [0, 3]; } throw new Error('Unrecognized order ' + order); }; /** * @param {tcuTexture.ChannelType} type * @return {number} */ tcuTexture.getChannelSize = function(type) { switch (type) { case tcuTexture.ChannelType.SNORM_INT8: return 1; case tcuTexture.ChannelType.SNORM_INT16: return 2; case tcuTexture.ChannelType.SNORM_INT32: return 4; case tcuTexture.ChannelType.UNORM_INT8: return 1; case tcuTexture.ChannelType.UNORM_INT16: return 2; case tcuTexture.ChannelType.UNORM_INT32: return 4; case tcuTexture.ChannelType.SIGNED_INT8: return 1; case tcuTexture.ChannelType.SIGNED_INT16: return 2; case tcuTexture.ChannelType.SIGNED_INT32: return 4; case tcuTexture.ChannelType.UNSIGNED_INT8: return 1; case tcuTexture.ChannelType.UNSIGNED_INT16: return 2; case tcuTexture.ChannelType.UNSIGNED_INT32: return 4; case tcuTexture.ChannelType.UNSIGNED_INT_11F_11F_10F_REV: return 4; case tcuTexture.ChannelType.UNSIGNED_INT_999_E5_REV: return 4; case tcuTexture.ChannelType.HALF_FLOAT: return 2; case tcuTexture.ChannelType.FLOAT: return 4; } throw new Error('Unrecognized type ' + deString.enumToString(tcuTexture.ChannelType, type)); }; /** * @param {number} src Source value * @param {number} bits Source value size in bits * @return {number} Normalized value */ tcuTexture.channelToNormFloat = function(src, bits) { var maxVal = (1 << bits) - 1; return src / maxVal; }; /** * @param {number} value Source value * @param {tcuTexture.ChannelType} type * @return {number} Source value converted to float */ tcuTexture.channelToFloat = function(value, type) { switch (type) { case tcuTexture.ChannelType.SNORM_INT8: return Math.max(-1, value / 127); case tcuTexture.ChannelType.SNORM_INT16: return Math.max(-1, value / 32767); case tcuTexture.ChannelType.SNORM_INT32: return Math.max(-1, value / 2147483647); case tcuTexture.ChannelType.UNORM_INT8: return value / 255; case tcuTexture.ChannelType.UNORM_INT16: return value / 65535; case tcuTexture.ChannelType.UNORM_INT32: return value / 4294967295; case tcuTexture.ChannelType.SIGNED_INT8: return value; case tcuTexture.ChannelType.SIGNED_INT16: return value; case tcuTexture.ChannelType.SIGNED_INT32: return value; case tcuTexture.ChannelType.UNSIGNED_INT8: return value; case tcuTexture.ChannelType.UNSIGNED_INT16: return value; case tcuTexture.ChannelType.UNSIGNED_INT32: return value; case tcuTexture.ChannelType.HALF_FLOAT: return tcuFloat.halfFloatToNumber(value); case tcuTexture.ChannelType.FLOAT: return value; } throw new Error('Unrecognized tcuTexture.channel type ' + type); }; /** * @param {number} value Source value * @param {tcuTexture.ChannelType} type * @return {number} Source value converted to int */ tcuTexture.channelToInt = function(value, type) { switch (type) { case tcuTexture.ChannelType.HALF_FLOAT: return Math.round(tcuFloat.halfFloatToNumber(value)); case tcuTexture.ChannelType.FLOAT: return Math.round(value); default: return value; } }; /** * @param {tcuTexture.ChannelOrder} order * @return {number} */ tcuTexture.getNumUsedChannels = function(order) { switch (order) { case tcuTexture.ChannelOrder.R: return 1; case tcuTexture.ChannelOrder.A: return 1; case tcuTexture.ChannelOrder.I: return 1; case tcuTexture.ChannelOrder.L: return 1; case tcuTexture.ChannelOrder.LA: return 2; case tcuTexture.ChannelOrder.RG: return 2; case tcuTexture.ChannelOrder.RA: return 2; case tcuTexture.ChannelOrder.RGB: return 3; case tcuTexture.ChannelOrder.RGBA: return 4; case tcuTexture.ChannelOrder.ARGB: return 4; case tcuTexture.ChannelOrder.BGRA: return 4; case tcuTexture.ChannelOrder.sRGB: return 3; case tcuTexture.ChannelOrder.sRGBA: return 4; case tcuTexture.ChannelOrder.D: return 1; case tcuTexture.ChannelOrder.S: return 1; case tcuTexture.ChannelOrder.DS: return 2; } throw new Error('Unrecognized tcuTexture.channel order ' + order); }; /** * @enum */ tcuTexture.WrapMode = { CLAMP_TO_EDGE: 0, //! Clamp to edge CLAMP_TO_BORDER: 1, //! Use border color at edge REPEAT_GL: 2, //! Repeat with OpenGL semantics REPEAT_CL: 3, //! Repeat with OpenCL semantics MIRRORED_REPEAT_GL: 4, //! Mirrored repeat with OpenGL semantics MIRRORED_REPEAT_CL: 5 //! Mirrored repeat with OpenCL semantics }; /** * @enum */ tcuTexture.FilterMode = { NEAREST: 0, LINEAR: 1, NEAREST_MIPMAP_NEAREST: 2, NEAREST_MIPMAP_LINEAR: 3, LINEAR_MIPMAP_NEAREST: 4, LINEAR_MIPMAP_LINEAR: 5 }; /** * @enum */ tcuTexture.CompareMode = { COMPAREMODE_NONE: 0, COMPAREMODE_LESS: 1, COMPAREMODE_LESS_OR_EQUAL: 2, COMPAREMODE_GREATER: 3, COMPAREMODE_GREATER_OR_EQUAL: 4, COMPAREMODE_EQUAL: 5, COMPAREMODE_NOT_EQUAL: 6, COMPAREMODE_ALWAYS: 7, COMPAREMODE_NEVER: 8 }; /** * @constructor * @param {!tcuTexture.WrapMode} wrapS * @param {!tcuTexture.WrapMode} wrapT * @param {!tcuTexture.WrapMode} wrapR * @param {!tcuTexture.FilterMode} minFilter * @param {!tcuTexture.FilterMode} magFilter * @param {number=} lodThreshold * @param {boolean=} normalizedCoords * @param {tcuTexture.CompareMode=} compare * @param {number=} compareChannel * @param {Array=} borderColor * @param {boolean=} seamlessCubeMap */ tcuTexture.Sampler = function(wrapS, wrapT, wrapR, minFilter, magFilter, lodThreshold, normalizedCoords, compare, compareChannel, borderColor, seamlessCubeMap) { /** @type {!tcuTexture.WrapMode} */ this.wrapS = wrapS; /** @type {!tcuTexture.WrapMode} */ this.wrapT = wrapT; /** @type {!tcuTexture.WrapMode} */ this.wrapR = wrapR; /** @type {!tcuTexture.FilterMode} */ this.minFilter = minFilter; /** @type {!tcuTexture.FilterMode} */ this.magFilter = magFilter; this.lodThreshold = lodThreshold || 0; this.normalizedCoords = normalizedCoords === undefined ? true : normalizedCoords; /** @type {tcuTexture.CompareMode} */ this.compare = compare || tcuTexture.CompareMode.COMPAREMODE_NONE; this.compareChannel = compareChannel || 0; this.borderColor = borderColor || [0, 0, 0, 0]; this.seamlessCubeMap = seamlessCubeMap || false; }; /** * Special unnormalization for REPEAT_CL and MIRRORED_REPEAT_CL tcuTexture.wrap modes; otherwise ordinary unnormalization. * @param {tcuTexture.WrapMode} mode * @param {number} c Value to tcuTexture.unnormalize * @param {number} size Unnormalized type size (integer) * @return {number} */ tcuTexture.unnormalize = function(mode, c, size) { switch (mode) { case tcuTexture.WrapMode.CLAMP_TO_EDGE: case tcuTexture.WrapMode.CLAMP_TO_BORDER: case tcuTexture.WrapMode.REPEAT_GL: case tcuTexture.WrapMode.MIRRORED_REPEAT_GL: // Fall-through (ordinary case). return size * c; case tcuTexture.WrapMode.REPEAT_CL: return size * (c - Math.floor(c)); case tcuTexture.WrapMode.MIRRORED_REPEAT_CL: return size * Math.abs(c - 2 * deMath.rint(0.5 * c)); } throw new Error('Unrecognized tcuTexture.wrap mode ' + mode); }; /** * @param {tcuTexture.WrapMode} mode * @param {number} c Source value (integer) * @param {number} size Type size (integer) * @return {number} */ tcuTexture.wrap = function(mode, c, size) { switch (mode) { case tcuTexture.WrapMode.CLAMP_TO_BORDER: return deMath.clamp(c, -1, size); case tcuTexture.WrapMode.CLAMP_TO_EDGE: return deMath.clamp(c, 0, size - 1); case tcuTexture.WrapMode.REPEAT_GL: return deMath.imod(c, size); case tcuTexture.WrapMode.REPEAT_CL: return deMath.imod(c, size); case tcuTexture.WrapMode.MIRRORED_REPEAT_GL: return (size - 1) - deMath.mirror(deMath.imod(c, 2 * size) - size); case tcuTexture.WrapMode.MIRRORED_REPEAT_CL: return deMath.clamp(c, 0, size - 1); // \note Actual mirroring done already in unnormalization function. } throw new Error('Unrecognized tcuTexture.wrap mode ' + mode); }; /** * @param {number} cs * @return {number} */ tcuTexture.sRGBChannelToLinear = function(cs) { if (cs <= 0.04045) return cs / 12.92; else return Math.pow((cs + 0.055) / 1.055, 2.4); }; /** * Convert sRGB to linear colorspace * @param {Array} cs Vec4 * @return {Array} Vec4 */ tcuTexture.sRGBToLinear = function(cs) { return [ tcuTexture.sRGBChannelToLinear(cs[0]), tcuTexture.sRGBChannelToLinear(cs[1]), tcuTexture.sRGBChannelToLinear(cs[2]), cs[3] ]; }; /** * Texel tcuTexture.lookup with color conversion. * @param {tcuTexture.ConstPixelBufferAccess} access * @param {number} i * @param {number} j * @param {number} k * @return {Array} Vec4 pixel color */ tcuTexture.lookup = function(access, i, j, k) { var p = access.getPixel(i, j, k); return access.getFormat().isSRGB() ? tcuTexture.sRGBToLinear(p) : p; }; /** * @param {tcuTexture.ConstPixelBufferAccess} access * @param {tcuTexture.Sampler} sampler * @param {number} u * @param {number} v * @param {(number|Array)} depthOrOffset depth (int) or offset (ivec3) * @return {Array} Vec4 pixel color */ tcuTexture.sampleLinear2D = function(access, sampler, u, v, depthOrOffset) { /** @type {number} */ var xOffset = 0; /** @type {number} */ var yOffset = 0; /** @type {number} */ var value; if (Array.isArray(depthOrOffset)) { xOffset = depthOrOffset[0]; yOffset = depthOrOffset[1]; value = depthOrOffset[2]; } else { value = /** @type {number} */ (depthOrOffset); } /** * @param {Array} p00 * @param {Array} p10 * @param {Array} p01 * @param {Array} p11 * @param {number} a * @param {number} b */ var interpolateQuad = function(p00, p10, p01, p11, a, b) { var s00 = (1 - a) * (1 - b); var s10 = a * (1 - b); var s01 = (1 - a) * b; var s11 = a * b; return [ (p00[0] * s00) + (p10[0] * s10) + (p01[0] * s01) + (p11[0] * s11), (p00[1] * s00) + (p10[1] * s10) + (p01[1] * s01) + (p11[1] * s11), (p00[2] * s00) + (p10[2] * s10) + (p01[2] * s01) + (p11[2] * s11), (p00[3] * s00) + (p10[3] * s10) + (p01[3] * s01) + (p11[3] * s11) ]; }; var w = access.getWidth(); var h = access.getHeight(); var x0 = Math.floor(u - 0.5) + xOffset; var x1 = x0 + 1; var y0 = Math.floor(v - 0.5) + yOffset; var y1 = y0 + 1; var i0 = tcuTexture.wrap(sampler.wrapS, x0, w); var i1 = tcuTexture.wrap(sampler.wrapS, x1, w); var j0 = tcuTexture.wrap(sampler.wrapT, y0, h); var j1 = tcuTexture.wrap(sampler.wrapT, y1, h); var a = deMath.deFloatFrac(u - 0.5); var b = deMath.deFloatFrac(v - 0.5); var i0UseBorder = sampler.wrapS == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(i0, 0, w); var i1UseBorder = sampler.wrapS == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(i1, 0, w); var j0UseBorder = sampler.wrapT == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(j0, 0, h); var j1UseBorder = sampler.wrapT == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(j1, 0, h); // Border color for out-of-range coordinates if using CLAMP_TO_BORDER, otherwise execute lookups. var p00 = (i0UseBorder || j0UseBorder) ? sampler.borderColor : tcuTexture.lookup(access, i0, j0, value); var p10 = (i1UseBorder || j0UseBorder) ? sampler.borderColor : tcuTexture.lookup(access, i1, j0, value); var p01 = (i0UseBorder || j1UseBorder) ? sampler.borderColor : tcuTexture.lookup(access, i0, j1, value); var p11 = (i1UseBorder || j1UseBorder) ? sampler.borderColor : tcuTexture.lookup(access, i1, j1, value); // Interpolate. return interpolateQuad(p00, p10, p01, p11, a, b); }; /** * @param {tcuTexture.ConstPixelBufferAccess} access * @param {tcuTexture.Sampler} sampler * @param {number} u * @param {number} v * @param {number} w * @param {Array=} offset * @return {Array} Vec4 pixel color */ tcuTexture.sampleLinear3D = function(access, sampler, u, v, w, offset) { /** * @param {Array} p000 * @param {Array} p100 * @param {Array} p010 * @param {Array} p110 * @param {Array} p001 * @param {Array} p101 * @param {Array} p011 * @param {Array} p111 * @param {number} a * @param {number} b * @param {number} c */ var interpolateCube = function(p000, p100, p010, p110, p001, p101, p011, p111, a, b, c) { var s000 = (1 - a) * (1 - b) * (1 - c); var s100 = a * (1 - b) * (1 - c); var s010 = (1 - a) * b * (1 - c); var s110 = a * b * (1 - c); var s001 = (1 - a) * (1 - b) * c; var s101 = a * (1 - b) * c; var s011 = (1 - a) * b * c; var s111 = a * b * c; return [ (p000[0] * s000) + (p100[0] * s100) + (p010[0] * s010) + (p110[0] * s110) + (p001[0] * s001) + (p101[0] * s101) + (p011[0] * s011) + (p111[0] * s111), (p000[1] * s000) + (p100[1] * s100) + (p010[1] * s010) + (p110[1] * s110) + (p001[1] * s001) + (p101[1] * s101) + (p011[1] * s011) + (p111[1] * s111), (p000[2] * s000) + (p100[2] * s100) + (p010[2] * s010) + (p110[2] * s110) + (p001[2] * s001) + (p101[2] * s101) + (p011[2] * s011) + (p111[2] * s111), (p000[3] * s000) + (p100[3] * s100) + (p010[3] * s010) + (p110[3] * s110) + (p001[3] * s001) + (p101[3] * s101) + (p011[3] * s011) + (p111[3] * s111) ]; }; var width = access.getWidth(); var height = access.getHeight(); var depth = access.getDepth(); /** @type {number} */ var xOffset = 0; /** @type {number} */ var yOffset = 0; /** @type {number} */ var zOffset = 0; if (offset !== undefined && offset.length === 3) { xOffset = offset[0]; yOffset = offset[1]; zOffset = offset[2]; } var x0 = Math.floor(u - 0.5) + xOffset; var x1 = x0 + 1; var y0 = Math.floor(v - 0.5) + yOffset; var y1 = y0 + 1; var z0 = Math.floor(w - 0.5) + zOffset; var z1 = z0 + 1; var i0 = tcuTexture.wrap(sampler.wrapS, x0, width); var i1 = tcuTexture.wrap(sampler.wrapS, x1, width); var j0 = tcuTexture.wrap(sampler.wrapT, y0, height); var j1 = tcuTexture.wrap(sampler.wrapT, y1, height); var k0 = tcuTexture.wrap(sampler.wrapR, z0, depth); var k1 = tcuTexture.wrap(sampler.wrapR, z1, depth); var a = deMath.deFloatFrac(u - 0.5); var b = deMath.deFloatFrac(v - 0.5); var c = deMath.deFloatFrac(w - 0.5); var i0UseBorder = sampler.wrapS == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(i0, 0, width); var i1UseBorder = sampler.wrapS == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(i1, 0, width); var j0UseBorder = sampler.wrapT == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(j0, 0, height); var j1UseBorder = sampler.wrapT == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(j1, 0, height); var k0UseBorder = sampler.wrapR == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(k0, 0, depth); var k1UseBorder = sampler.wrapR == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(k1, 0, depth); // Border color for out-of-range coordinates if using CLAMP_TO_BORDER, otherwise execute lookups. var p000 = (i0UseBorder || j0UseBorder || k0UseBorder) ? sampler.borderColor : tcuTexture.lookup(access, i0, j0, k0); var p100 = (i1UseBorder || j0UseBorder || k0UseBorder) ? sampler.borderColor : tcuTexture.lookup(access, i1, j0, k0); var p010 = (i0UseBorder || j1UseBorder || k0UseBorder) ? sampler.borderColor : tcuTexture.lookup(access, i0, j1, k0); var p110 = (i1UseBorder || j1UseBorder || k0UseBorder) ? sampler.borderColor : tcuTexture.lookup(access, i1, j1, k0); var p001 = (i0UseBorder || j0UseBorder || k1UseBorder) ? sampler.borderColor : tcuTexture.lookup(access, i0, j0, k1); var p101 = (i1UseBorder || j0UseBorder || k1UseBorder) ? sampler.borderColor : tcuTexture.lookup(access, i1, j0, k1); var p011 = (i0UseBorder || j1UseBorder || k1UseBorder) ? sampler.borderColor : tcuTexture.lookup(access, i0, j1, k1); var p111 = (i1UseBorder || j1UseBorder || k1UseBorder) ? sampler.borderColor : tcuTexture.lookup(access, i1, j1, k1); // Interpolate. return interpolateCube(p000, p100, p010, p110, p001, p101, p011, p111, a, b, c); }; /** * @param {tcuTexture.ConstPixelBufferAccess} access * @param {tcuTexture.Sampler} sampler * @param {number} u * @param {number} v * @param {(number|Array)} depthOrOffset depth (integer) or offset (ivec3) * @return {Array} Vec4 pixel color */ tcuTexture.sampleNearest2D = function(access, sampler, u, v, depthOrOffset) { /** @type {number} */ var xOffset = 0; /** @type {number} */ var yOffset = 0; /** @type {number} */ var value; if (Array.isArray(depthOrOffset)) { xOffset = depthOrOffset[0]; yOffset = depthOrOffset[1]; value = depthOrOffset[2]; } else { value = /** @type {number} */ (depthOrOffset); } var width = access.getWidth(); var height = access.getHeight(); var x = Math.floor(u) + xOffset; var y = Math.floor(v) + yOffset; // Check for CLAMP_TO_BORDER. if ((sampler.wrapS == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(x, 0, width)) || (sampler.wrapT == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(y, 0, height))) return sampler.borderColor; var i = tcuTexture.wrap(sampler.wrapS, x, width); var j = tcuTexture.wrap(sampler.wrapT, y, height); return tcuTexture.lookup(access, i, j, value); }; /** * @param {tcuTexture.ConstPixelBufferAccess} access * @param {tcuTexture.Sampler} sampler * @param {number} u * @param {number} v * @param {number} w * @param {Array=} offset * @return {Array} Vec4 pixel color */ tcuTexture.sampleNearest3D = function(access, sampler, u, v, w, offset) { var width = access.getWidth(); var height = access.getHeight(); var depth = access.getDepth(); /** @type {number} */ var xOffset = 0; /** @type {number} */ var yOffset = 0; /** @type {number} */ var zOffset = 0; if (offset !== undefined && offset.length === 3) { xOffset = offset[0]; yOffset = offset[1]; zOffset = offset[2]; } var x = Math.floor(u) + xOffset; var y = Math.floor(v) + yOffset; var z = Math.floor(w) + zOffset; // Check for CLAMP_TO_BORDER. if ((sampler.wrapS == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(x, 0, width)) || (sampler.wrapT == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(y, 0, height)) || (sampler.wrapR == tcuTexture.WrapMode.CLAMP_TO_BORDER && !deMath.deInBounds32(z, 0, depth))) return sampler.borderColor; var i = tcuTexture.wrap(sampler.wrapS, x, width); var j = tcuTexture.wrap(sampler.wrapT, y, height); var k = tcuTexture.wrap(sampler.wrapR, z, depth); return tcuTexture.lookup(access, i, j, k); }; /** * @param {Array} color Vec4 color * @return {number} The color in packed 32 bit format */ tcuTexture.packRGB999E5 = function(color) { /** @const */ var mBits = 9; /** @const */ var eBits = 5; /** @const */ var eBias = 15; /** @const */ var eMax = (1 << eBits) - 1; /** @const */ var maxVal = (((1 << mBits) - 1) * (1 << (eMax - eBias))) / (1 << mBits); var rc = deMath.clamp(color[0], 0, maxVal); var gc = deMath.clamp(color[1], 0, maxVal); var bc = deMath.clamp(color[2], 0, maxVal); var maxc = Math.max(rc, gc, bc); var expp = Math.max(-eBias - 1, Math.floor(Math.log2(maxc))) + 1 + eBias; var e = Math.pow(2, expp - eBias - mBits); var maxs = Math.floor(maxc / e + 0.5); var exps = maxs == (1 << mBits) ? expp + 1 : expp; var rs = deMath.clamp(Math.floor(rc / e + 0.5), 0, (1 << 9) - 1); var gs = deMath.clamp(Math.floor(gc / e + 0.5), 0, (1 << 9) - 1); var bs = deMath.clamp(Math.floor(bc / e + 0.5), 0, (1 << 9) - 1); DE_ASSERT((exps & ~((1 << 5) - 1)) == 0); DE_ASSERT((rs & ~((1 << 9) - 1)) == 0); DE_ASSERT((gs & ~((1 << 9) - 1)) == 0); DE_ASSERT((bs & ~((1 << 9) - 1)) == 0); return rs | (gs << 9) | (bs << 18) | (exps << 27); }; /** * @param {number} color Color in packed 32 bit format * @return {Array} The color in unpacked format */ tcuTexture.unpackRGB999E5 = function(color) { var mBits = 9; var eBias = 15; var exp = (color >> 27) & ((1 << 5) - 1); var bs = (color >> 18) & ((1 << 9) - 1); var gs = (color >> 9) & ((1 << 9) - 1); var rs = color & ((1 << 9) - 1); var e = Math.pow(2, (exp - eBias - mBits)); var r = rs * e; var g = gs * e; var b = bs * e; return [r, g, b, 1]; }; /** * \brief Read-only pixel data access * * tcuTexture.ConstPixelBufferAccess encapsulates pixel data pointer along with * format and layout information. It can be used for read-only access * to arbitrary pixel buffers. * * Access objects are like iterators or pointers. They can be passed around * as values and are valid as long as the storage doesn't change. * @constructor */ tcuTexture.ConstPixelBufferAccess = function(descriptor) { if (descriptor) { this.m_offset = descriptor.offset || 0; this.m_format = descriptor.format || new tcuTexture.TextureFormat(tcuTexture.ChannelOrder.RGBA, tcuTexture.ChannelType.FLOAT); this.m_width = descriptor.width; this.m_height = descriptor.height; if (descriptor.depth) this.m_depth = descriptor.depth; else this.m_depth = 1; this.m_data = descriptor.data; if (descriptor.rowPitch) this.m_rowPitch = descriptor.rowPitch; else this.m_rowPitch = this.m_width * this.m_format.getPixelSize(); if (descriptor.slicePitch) this.m_slicePitch = descriptor.slicePitch; else this.m_slicePitch = this.m_rowPitch * this.m_height; if (this.m_format.isEqual(new tcuTexture.TextureFormat( tcuTexture.ChannelOrder.RGBA, tcuTexture.ChannelType.UNORM_INT8))) this.m_rgba8View = new tcuTexture.RGBA8View(this); else if (this.m_format.isEqual(new tcuTexture.TextureFormat( tcuTexture.ChannelOrder.RGB, tcuTexture.ChannelType.UNORM_INT8))) this.m_rgb8View = new tcuTexture.RGBA8View(this); } this.m_dataPtrType = null; this.m_dataPtr = null; }; tcuTexture.ConstPixelBufferAccess.prototype.toString = function() { var str = 'BufferAccess(format: ' + this.m_format + ', width: ' + this.m_width + ', height: ' + this.m_height; if (this.m_depth > 1) str += ', depth: ' + this.m_depth; if (this.m_rowPitch != this.m_width * this.m_format.getPixelSize()) str += ', row pitch: ' + this.m_rowPitch; if (this.m_slicePitch != this.m_rowPitch * this.m_height) str += ', slice pitch: ' + this.m_slicePitch; if (this.m_offset > 0) str += ', offset: ' + this.m_offset; str += ')'; return str; }; /** @return {number} */ tcuTexture.ConstPixelBufferAccess.prototype.getDataSize = function() { return this.m_depth * this.m_slicePitch; }; tcuTexture.ConstPixelBufferAccess.prototype.isEmpty = function() { return this.m_width == 0 || this.m_height == 0 || this.m_depth == 0; }; /** @return {goog.TypedArray} */ tcuTexture.ConstPixelBufferAccess.prototype.getDataPtr = function() { if (this.m_dataPtrType != this.m_format.type) { this.m_dataPtrType = this.m_format.type; var arrayType = tcuTexture.getTypedArray(this.m_format.type); this.m_dataPtr = new arrayType(this.m_data, this.m_offset); } return this.m_dataPtr; }; /** @return {ArrayBuffer} */ tcuTexture.ConstPixelBufferAccess.prototype.getBuffer = function() { return this.m_data; }; /** @return {number} */ tcuTexture.ConstPixelBufferAccess.prototype.getRowPitch = function() { return this.m_rowPitch; }; /** @return {number} */ tcuTexture.ConstPixelBufferAccess.prototype.getWidth = function() { return this.m_width; }; /** @return {number} */ tcuTexture.ConstPixelBufferAccess.prototype.getHeight = function() { return this.m_height; }; /** @return {number} */ tcuTexture.ConstPixelBufferAccess.prototype.getDepth = function() { return this.m_depth; }; /** @return {number} */ tcuTexture.ConstPixelBufferAccess.prototype.getSlicePitch = function() { return this.m_slicePitch; }; /** @return {tcuTexture.TextureFormat} */ tcuTexture.ConstPixelBufferAccess.prototype.getFormat = function() { return this.m_format; }; /** * @param {number} x * @param {number} y * @param {number=} z * @return {number} stencil value */ tcuTexture.ConstPixelBufferAccess.prototype.getPixStencil = function(x, y, z) { z = z || 0; DE_ASSERT(deMath.deInBounds32(x, 0, this.m_width)); DE_ASSERT(deMath.deInBounds32(y, 0, this.m_height)); DE_ASSERT(deMath.deInBounds32(z, 0, this.m_depth)); // Make sure that the position is 'integer' x = Math.round(x); y = Math.round(y); z = Math.round(z); var pixelSize = this.m_format.getPixelSize(); var offset = z * this.m_slicePitch + y * this.m_rowPitch + x * pixelSize; var pixelPtr = this.getDataPtr(); var pixelPtrOffset = offset / pixelPtr.BYTES_PER_ELEMENT; switch (this.m_format.type) { case tcuTexture.ChannelType.UNSIGNED_INT_24_8: switch (this.m_format.order) { case tcuTexture.ChannelOrder.S: return (pixelPtr[pixelPtrOffset] >> 8) & 0xff; case tcuTexture.ChannelOrder.DS: return pixelPtr[pixelPtrOffset] & 0xff; default: DE_ASSERT(false); return 0; } case tcuTexture.ChannelType.FLOAT_UNSIGNED_INT_24_8_REV: DE_ASSERT(this.m_format.order == tcuTexture.ChannelOrder.DS); var u32array = new Uint32Array(this.m_data, offset + this.m_offset + 4, 1); return u32array[0] & 0xff; default: { if (this.m_format.order == tcuTexture.ChannelOrder.S) return tcuTexture.channelToInt(pixelPtr[pixelPtrOffset], this.m_format.type); else { DE_ASSERT(this.m_format.order == tcuTexture.ChannelOrder.DS); var stencilChannelIndex = 3; return tcuTexture.channelToInt(pixelPtr[stencilChannelIndex + pixelPtrOffset], this.m_format.type); } } } }; /** * @param {number} x * @param {number} y * @param {number=} z * @return {number} */ tcuTexture.ConstPixelBufferAccess.prototype.getPixDepth = function(x, y, z) { if (z == null) z = 0; DE_ASSERT(deMath.deInBounds32(x, 0, this.m_width)); DE_ASSERT(deMath.deInBounds32(y, 0, this.m_height)); DE_ASSERT(deMath.deInBounds32(z, 0, this.m_depth)); // Make sure that the position is 'integer' x = Math.round(x); y = Math.round(y); z = Math.round(z); var pixelSize = this.m_format.getPixelSize(); var offset = z * this.m_slicePitch + y * this.m_rowPitch + x * pixelSize; var pixelPtr = this.getDataPtr(); var pixelPtrOffset = offset / pixelPtr.BYTES_PER_ELEMENT; var ub = function(pixel, offset, count) { return (pixel >> offset) & ((1 << count) - 1); }; var nb = function(pixel, offset, count) { return tcuTexture.channelToNormFloat(ub(pixel, offset, count), count); }; // Packed formats. switch (this.m_format.type) { case tcuTexture.ChannelType.UNSIGNED_INT_24_8: switch (this.m_format.order) { case tcuTexture.ChannelOrder.D: // fall-through case tcuTexture.ChannelOrder.DS: return nb(pixelPtr[pixelPtrOffset], 8, 24); default: throw new Error('Unsupported tcuTexture.channel order ' + this.m_format.order); } break; case tcuTexture.ChannelType.FLOAT_UNSIGNED_INT_24_8_REV: { DE_ASSERT(this.m_format.order == tcuTexture.ChannelOrder.DS); return pixelPtr[pixelPtrOffset]; break; } default: { DE_ASSERT(this.m_format.order == tcuTexture.ChannelOrder.D || this.m_format.order == tcuTexture.ChannelOrder.DS); return tcuTexture.channelToFloat(pixelPtr[pixelPtrOffset], this.m_format.type); } } }; /** * @param {number} x * @param {number} y * @param {number=} z * @return {Array} Pixel value as Vec4 */ tcuTexture.ConstPixelBufferAccess.prototype.getPixel = function(x, y, z) { z = z || 0; DE_ASSERT(deMath.deInBounds32(x, 0, this.m_width)); DE_ASSERT(deMath.deInBounds32(y, 0, this.m_height)); DE_ASSERT(deMath.deInBounds32(z, 0, this.m_depth)); // Make sure that the position is 'integer' return this._getPixelInternal(Math.round(x), Math.round(y), Math.round(z)); }; // NOTE: getPixel has been broken into getPixel, _getPixelInternal, and _getPixelPacked // because having them combined previously was causing V8 depots tcuTexture.ConstPixelBufferAccess.prototype._getPixelInternal = function(x, y, z) { // Quick paths if (z == 0) { if (this.m_rgba8View) { var color = this.m_rgba8View.read(x, y, 4); color[0] /= 255; color[1] /= 255; color[2] /= 255; color[3] /= 255; return color; } else if (this.m_rgb8View) { var color = this.m_rgb8View.read(x, y, 3); color[0] /= 255; color[1] /= 255; color[2] /= 255; color[3] = 1; return color; } } var pixelSize = this.m_format.getPixelSize(); var offset = z * this.m_slicePitch + y * this.m_rowPitch + x * pixelSize; var pixelPtr = this.getDataPtr(); var pixelPtrOffset = offset / pixelPtr.BYTES_PER_ELEMENT; return this._getPixelPacked(pixelPtr, pixelPtrOffset); }; tcuTexture.ConstPixelBufferAccess.prototype._getPixelPacked = (function() { var ub = function(pixel, offset, count) { return (pixel >> offset) & ((1 << count) - 1); }; var nb = function(pixel, offset, count) { var maxVal = (1 << count) - 1; return ((pixel >> offset) & ((1 << count) - 1)) / maxVal; }; var f11 = tcuFloat.float11ToNumber; var f10 = tcuFloat.float10ToNumber; return function tcuTexture_ConstPixelBufferAccess_getPixelPacked(pixelPtr, pixelPtrOffset) { var pixel = pixelPtr[pixelPtrOffset]; // Packed formats. switch (this.m_format.type) { case tcuTexture.ChannelType.UNORM_SHORT_565: return [nb(pixel, 11, 5), nb(pixel, 5, 6), nb(pixel, 0, 5), 1]; case tcuTexture.ChannelType.UNORM_SHORT_555: return [nb(pixel, 10, 5), nb(pixel, 5, 5), nb(pixel, 0, 5), 1]; case tcuTexture.ChannelType.UNORM_SHORT_4444: return [nb(pixel, 12, 4), nb(pixel, 8, 4), nb(pixel, 4, 4), nb(pixel, 0, 4)]; case tcuTexture.ChannelType.UNORM_SHORT_5551: return [nb(pixel, 11, 5), nb(pixel, 6, 5), nb(pixel, 1, 5), nb(pixel, 0, 1)]; case tcuTexture.ChannelType.UNORM_INT_101010: return [nb(pixel, 22, 10), nb(pixel, 12, 10), nb(pixel, 2, 10), 1]; case tcuTexture.ChannelType.UNORM_INT_1010102_REV: return [nb(pixel, 0, 10), nb(pixel, 10, 10), nb(pixel, 20, 10), nb(pixel, 30, 2)]; case tcuTexture.ChannelType.UNSIGNED_INT_1010102_REV: return [ub(pixel, 0, 10), ub(pixel, 10, 10), ub(pixel, 20, 10), ub(pixel, 30, 2)]; case tcuTexture.ChannelType.UNSIGNED_INT_999_E5_REV: return tcuTexture.unpackRGB999E5(pixel); case tcuTexture.ChannelType.UNSIGNED_INT_24_8: switch (this.m_format.order) { // \note Stencil is always ignored. case tcuTexture.ChannelOrder.D: return [nb(pixel, 8, 24), 0, 0, 1]; case tcuTexture.ChannelOrder.DS: return [nb(pixel, 8, 24), 0, 0, 1 /* (float)ub(0, 8) */]; default: DE_ASSERT(false); } case tcuTexture.ChannelType.FLOAT_UNSIGNED_INT_24_8_REV: { DE_ASSERT(this.m_format.order == tcuTexture.ChannelOrder.DS); // \note Stencil is ignored. return [pixel, 0, 0, 1]; } case tcuTexture.ChannelType.UNSIGNED_INT_11F_11F_10F_REV: { return [f11(ub(pixel, 0, 11)), f11(ub(pixel, 11, 11)), f10(ub(pixel, 22, 10)), 1]; } default: break; } // Generic path. var result = [0, 0, 0, 0]; var channelMap = tcuTexture.getChannelReadMap(this.m_format.order); var channelSize = tcuTexture.getChannelSize(this.m_format.type); for (var c = 0; c < 4; c++) { var map = channelMap[c]; if (map == tcuTexture.channel.ZERO) result[c] = 0; else if (map == tcuTexture.channel.ONE) result[c] = 1; else result[c] = tcuTexture.channelToFloat(pixelPtr[map + pixelPtrOffset], this.m_format.type); } return result; }; })(); /** * @param {number} x * @param {number} y * @param {number=} z * @return {Array} Pixel value as Vec4 */ tcuTexture.ConstPixelBufferAccess.prototype.getPixelInt = function(x, y, z) { z = z || 0; DE_ASSERT(deMath.deInBounds32(x, 0, this.m_width)); DE_ASSERT(deMath.deInBounds32(y, 0, this.m_height)); DE_ASSERT(deMath.deInBounds32(z, 0, this.m_depth)); // Make sure that the position is 'integer' x = Math.round(x); y = Math.round(y); z = Math.round(z); // Quick paths if (z == 0) { if (this.m_rgba8View) return this.m_rgba8View.read(x, y, 4); else if (this.m_rgb8View) return this.m_rgb8View.read(x, y, 3); } var pixelSize = this.m_format.getPixelSize(); var offset = z * this.m_slicePitch + y * this.m_rowPitch + x * pixelSize; var pixelPtr = this.getDataPtr(); var pixelPtrOffset = offset / pixelPtr.BYTES_PER_ELEMENT; var pixel = pixelPtr[pixelPtrOffset]; var ub = function(pixel, offset, count) { return (pixel >> offset) & ((1 << count) - 1); }; // Packed formats. switch (this.m_format.type) { case tcuTexture.ChannelType.UNORM_SHORT_565: return [ub(pixel, 11, 5), ub(pixel, 5, 6), ub(pixel, 0, 5), 1]; case tcuTexture.ChannelType.UNORM_SHORT_555: return [ub(pixel, 10, 5), ub(pixel, 5, 5), ub(pixel, 0, 5), 1]; case tcuTexture.ChannelType.UNORM_SHORT_4444: return [ub(pixel, 12, 4), ub(pixel, 8, 4), ub(pixel, 4, 4), ub(pixel, 0, 4)]; case tcuTexture.ChannelType.UNORM_SHORT_5551: return [ub(pixel, 11, 5), ub(pixel, 6, 5), ub(pixel, 1, 5), ub(pixel, 0, 1)]; case tcuTexture.ChannelType.UNORM_INT_101010: return [ub(pixel, 22, 10), ub(pixel, 12, 10), ub(pixel, 2, 10), 1]; case tcuTexture.ChannelType.UNORM_INT_1010102_REV: return [ub(pixel, 0, 10), ub(pixel, 10, 10), ub(pixel, 20, 10), ub(pixel, 30, 2)]; case tcuTexture.ChannelType.UNSIGNED_INT_1010102_REV: return [ub(pixel, 0, 10), ub(pixel, 10, 10), ub(pixel, 20, 10), ub(pixel, 30, 2)]; case tcuTexture.ChannelType.UNSIGNED_INT_24_8: switch (this.m_format.order) { case tcuTexture.ChannelOrder.D: return [ub(pixel, 8, 24), 0, 0, 1]; case tcuTexture.ChannelOrder.S: return [0, 0, 0, ub(pixel, 8, 24)]; case tcuTexture.ChannelOrder.DS: return [ub(pixel, 8, 24), 0, 0, ub(pixel, 0, 8)]; default: DE_ASSERT(false); } case tcuTexture.ChannelType.FLOAT_UNSIGNED_INT_24_8_REV: { DE_ASSERT(this.m_format.order == tcuTexture.ChannelOrder.DS); var u32array = new Uint32Array(this.m_data, this.m_offset + offset + 4, 1); return [pixel, 0, 0, ub(u32array[0], 0, 8)]; } default: break; } // Generic path. var result = []; result.length = 4; var channelMap = tcuTexture.getChannelReadMap(this.m_format.order); var channelSize = tcuTexture.getChannelSize(this.m_format.type); for (var c = 0; c < 4; c++) { var map = channelMap[c]; if (map == tcuTexture.channel.ZERO) result[c] = 0; else if (map == tcuTexture.channel.ONE) result[c] = 1; else result[c] = tcuTexture.channelToInt(pixelPtr[map + pixelPtrOffset], this.m_format.type); } return result; }; /** * @param {tcuTexture.Sampler} sampler * @param {?tcuTexture.FilterMode} filter * @param {number} s * @param {number} t * @param {number} depth (integer) * @return {Array} Sample color */ tcuTexture.ConstPixelBufferAccess.prototype.sample2D = function(sampler, filter, s, t, depth) { DE_ASSERT(deMath.deInBounds32(depth, 0, this.m_depth)); // Non-normalized coordinates. var u = s; var v = t; if (sampler.normalizedCoords) { u = tcuTexture.unnormalize(sampler.wrapS, s, this.m_width); v = tcuTexture.unnormalize(sampler.wrapT, t, this.m_height); } switch (filter) { case tcuTexture.FilterMode.NEAREST: return tcuTexture.sampleNearest2D(this, sampler, u, v, depth); case tcuTexture.FilterMode.LINEAR: return tcuTexture.sampleLinear2D(this, sampler, u, v, depth); default: throw new Error('Invalid filter:' + filter); } throw new Error('Unimplemented'); }; /** * @param {tcuTexture.Sampler} sampler * @param {?tcuTexture.FilterMode} filter * @param {number} s * @param {number} t * @param {Array} offset * @return {Array} Sample color */ tcuTexture.ConstPixelBufferAccess.prototype.sample2DOffset = function(sampler, filter, s, t, offset) { DE_ASSERT(deMath.deInBounds32(offset[2], 0, this.m_depth)); // Non-normalized coordinates. var u = s; var v = t; if (sampler.normalizedCoords) { u = tcuTexture.unnormalize(sampler.wrapS, s, this.m_width); v = tcuTexture.unnormalize(sampler.wrapT, t, this.m_height); } switch (filter) { case tcuTexture.FilterMode.NEAREST: return tcuTexture.sampleNearest2D(this, sampler, u, v, offset); case tcuTexture.FilterMode.LINEAR: return tcuTexture.sampleLinear2D(this, sampler, u, v, offset); default: throw new Error('Invalid filter:' + filter); } }; /** * @param {tcuTexture.Sampler} sampler * @param {?tcuTexture.FilterMode} filter * @param {number} s * @param {number} t * @param {number} r * @param {Array} offset * @return {Array} Sample color */ tcuTexture.ConstPixelBufferAccess.prototype.sample3DOffset = function(sampler, filter, s, t, r, offset) { // Non-normalized coordinates. /** @type {number} */ var u = s; /** @type {number} */ var v = t; /** @type {number} */ var w = r; if (sampler.normalizedCoords) { u = tcuTexture.unnormalize(sampler.wrapS, s, this.m_width); v = tcuTexture.unnormalize(sampler.wrapT, t, this.m_height); w = tcuTexture.unnormalize(sampler.wrapR, r, this.m_depth); } switch (filter) { case tcuTexture.FilterMode.NEAREST: return tcuTexture.sampleNearest3D(this, sampler, u, v, w, offset); case tcuTexture.FilterMode.LINEAR: return tcuTexture.sampleLinear3D(this, sampler, u, v, w, offset); default: throw new Error('Invalid filter:' + filter); } }; /** * @param {tcuTexture.Sampler} sampler * @param {tcuTexture.FilterMode} filter * @param {number} ref * @param {number} s * @param {number} t * @param {Array} offset * @return {number} */ tcuTexture.ConstPixelBufferAccess.prototype.sample2DCompare = function(sampler, filter, ref, s, t, offset) { DE_ASSERT(deMath.deInBounds32(offset[2], 0, this.m_depth)); // Format information for comparison function var isFixedPointDepth = tcuTexture.isFixedPointDepthTextureFormat(this.m_format); // Non-normalized coordinates. var u = s; var v = t; if (sampler.normalizedCoords) { u = tcuTexture.unnormalize(sampler.wrapS, s, this.m_width); v = tcuTexture.unnormalize(sampler.wrapT, t, this.m_height); } switch (filter) { case tcuTexture.FilterMode.NEAREST: return tcuTexture.execCompare(tcuTexture.sampleNearest2D(this, sampler, u, v, offset), sampler.compare, sampler.compareChannel, ref, isFixedPointDepth); case tcuTexture.FilterMode.LINEAR: return tcuTexture.sampleLinear2DCompare(this, sampler, ref, u, v, offset, isFixedPointDepth); default: DE_ASSERT(false); return 0.0; } }; /** * @param {tcuTexture.Sampler} sampler * @param {tcuTexture.FilterMode} filter * @param {number} s * @param {number} t * @param {number} r * @return {Array} Sample color */ tcuTexture.ConstPixelBufferAccess.prototype.sample3D = function(sampler, filter, s, t, r) { // Non-normalized coordinates. var u = s; var v = t; var w = r; if (sampler.normalizedCoords) { u = tcuTexture.unnormalize(sampler.wrapS, s, this.m_width); v = tcuTexture.unnormalize(sampler.wrapT, t, this.m_height); w = tcuTexture.unnormalize(sampler.wrapR, r, this.m_depth); } switch (filter) { case tcuTexture.FilterMode.NEAREST: return tcuTexture.sampleNearest3D(this, sampler, u, v, w); case tcuTexture.FilterMode.LINEAR: return tcuTexture.sampleLinear3D(this, sampler, u, v, w); default: throw new Error('Invalid filter:' + filter); } throw new Error('Unimplemented'); }; /* TODO: do we need any of these? */ { // template // Vector getPixelT (int x, int y, int z = 0) const; // Vec4 sample3D (const tcuTexture.Sampler& sampler, tcuTexture.tcuTexture.Sampler.tcuTexture.FilterMode filter, float s, float t, float r) const; // Vec4 sample2DOffset (const tcuTexture.Sampler& sampler, tcuTexture.Sampler::tcuTexture.FilterMode filter, float s, float t, const IVec3& offset) const; // Vec4 sample3DOffset (const tcuTexture.Sampler& sampler, tcuTexture.Sampler::tcuTexture.FilterMode filter, float s, float t, float r, const IVec3& offset) const; // float sample2DCompare (const tcuTexture.Sampler& sampler, tcuTexture.Sampler::tcuTexture.FilterMode filter, float ref, float s, float t, const IVec3& offset) const; }; /** Common type limits * */ tcuTexture.deTypes = { deInt8: {min: -(1 << 7), max: (1 << 7) - 1}, deInt16: {min: -(1 << 15), max: (1 << 15) - 1}, deInt32: {min: -2147483648, max: 2147483647}, deUint8: {min: 0, max: (1 << 8) - 1}, deUint16: {min: 0, max: (1 << 16) - 1}, deUint32: {min: 0, max: 4294967295} }; /** * Round to even and saturate * @param {{max: number, min: number}} deType from tcuTexture.deTypes * @param {number} value * @return {number} */ tcuTexture.convertSatRte = function(deType, value) { var minVal = deType.min; var maxVal = deType.max; var floor = Math.floor(value); var frac = value - floor; if (frac == 0.5) { if (floor % 2 != 0) floor += 1; } else if (frac > 0.5) { floor += 1; } return Math.max(minVal, Math.min(maxVal, floor)); }; /** * Saturate value to type range * @param { {max: number, min: number}} deType from tcuTexture.deTypes * @param {number} src * @return {number} */ tcuTexture.convertSat = function(deType, src) { var minVal = deType.min; var maxVal = deType.max; if (src < minVal) return minVal; else if (src > maxVal) return maxVal; else return src; }; /** * @param {number} src Input integer value * @param {tcuTexture.ChannelType} type * @return {number} */ tcuTexture.intToChannel = function(src, type) { var dst; switch (type) { case tcuTexture.ChannelType.SNORM_INT8: dst = tcuTexture.convertSat(tcuTexture.deTypes.deInt8, src); break; case tcuTexture.ChannelType.SNORM_INT16: dst = tcuTexture.convertSat(tcuTexture.deTypes.deInt16, src); break; case tcuTexture.ChannelType.UNORM_INT8: dst = tcuTexture.convertSat(tcuTexture.deTypes.deUint8, src); break; case tcuTexture.ChannelType.UNORM_INT16: dst = tcuTexture.convertSat(tcuTexture.deTypes.deUint16, src); break; case tcuTexture.ChannelType.SIGNED_INT8: dst = tcuTexture.convertSat(tcuTexture.deTypes.deInt8, src); break; case tcuTexture.ChannelType.SIGNED_INT16: dst = tcuTexture.convertSat(tcuTexture.deTypes.deInt16, src); break; case tcuTexture.ChannelType.SIGNED_INT32: dst = tcuTexture.convertSat(tcuTexture.deTypes.deInt32, src); break; case tcuTexture.ChannelType.UNSIGNED_INT8: dst = tcuTexture.convertSat(tcuTexture.deTypes.deUint8, src); break; case tcuTexture.ChannelType.UNSIGNED_INT16: dst = tcuTexture.convertSat(tcuTexture.deTypes.deUint16, src); break; case tcuTexture.ChannelType.UNSIGNED_INT32: dst = tcuTexture.convertSat(tcuTexture.deTypes.deUint32, src); break; case tcuTexture.ChannelType.HALF_FLOAT: dst = tcuFloat.numberToHalfFloat(src); break; case tcuTexture.ChannelType.FLOAT: dst = src; break; default: throw new Error('Unrecognized tcuTexture.channel type: ' + type); } return dst; }; /** * @param {number} src * @param {number} bits * @return {number} */ tcuTexture.normFloatToChannel = function(src, bits) { var maxVal = (1 << bits) - 1; var intVal = tcuTexture.convertSatRte(tcuTexture.deTypes.deUint32, src * maxVal); return Math.min(maxVal, intVal); }; /** * @param {number} src * @param {number} bits * @return {number} */ tcuTexture.uintToChannel = function(src, bits) { var maxVal = (1 << bits) - 1; return Math.min(maxVal, src); }; /** * @param {number} src * @param {tcuTexture.ChannelType} type * @return {number} Converted src color value */ tcuTexture.floatToChannel = function(src, type) { switch (type) { case tcuTexture.ChannelType.SNORM_INT8: return tcuTexture.convertSatRte(tcuTexture.deTypes.deInt8, src * 127); case tcuTexture.ChannelType.SNORM_INT16: return tcuTexture.convertSatRte(tcuTexture.deTypes.deInt16, src * 32767); case tcuTexture.ChannelType.SNORM_INT32: return tcuTexture.convertSatRte(tcuTexture.deTypes.deInt32, src * 2147483647); case tcuTexture.ChannelType.UNORM_INT8: return tcuTexture.convertSatRte(tcuTexture.deTypes.deUint8, src * 255); case tcuTexture.ChannelType.UNORM_INT16: return tcuTexture.convertSatRte(tcuTexture.deTypes.deUint16, src * 65535); case tcuTexture.ChannelType.UNORM_INT32: return tcuTexture.convertSatRte(tcuTexture.deTypes.deUint32, src * 4294967295); case tcuTexture.ChannelType.SIGNED_INT8: return tcuTexture.convertSatRte(tcuTexture.deTypes.deInt8, src); case tcuTexture.ChannelType.SIGNED_INT16: return tcuTexture.convertSatRte(tcuTexture.deTypes.deInt16, src); case tcuTexture.ChannelType.SIGNED_INT32: return tcuTexture.convertSatRte(tcuTexture.deTypes.deInt32, src); case tcuTexture.ChannelType.UNSIGNED_INT8: return tcuTexture.convertSatRte(tcuTexture.deTypes.deUint8, src); case tcuTexture.ChannelType.UNSIGNED_INT16: return tcuTexture.convertSatRte(tcuTexture.deTypes.deUint16, src); case tcuTexture.ChannelType.UNSIGNED_INT32: return tcuTexture.convertSatRte(tcuTexture.deTypes.deUint32, src); case tcuTexture.ChannelType.HALF_FLOAT: return tcuFloat.numberToHalfFloat(src); case tcuTexture.ChannelType.FLOAT: return src; } throw new Error('Unrecognized type ' + type); }; /** * \brief Read-write pixel data access * * This class extends read-only access object by providing write functionality. * * \note tcuTexture.PixelBufferAccess may not have any data members nor add any * virtual functions. It must be possible to reinterpret_cast<> * tcuTexture.PixelBufferAccess to tcuTexture.ConstPixelBufferAccess. * @constructor * @extends {tcuTexture.ConstPixelBufferAccess} * */ tcuTexture.PixelBufferAccess = function(descriptor) { tcuTexture.ConstPixelBufferAccess.call(this, descriptor); }; tcuTexture.PixelBufferAccess.prototype = Object.create(tcuTexture.ConstPixelBufferAccess.prototype); tcuTexture.PixelBufferAccess.prototype.constructor = tcuTexture.PixelBufferAccess; /** * @param {Array} color Vec4 color to set * @param {number} x * @param {number} y * @param {number=} z */ tcuTexture.PixelBufferAccess.prototype.setPixel = function(color, x, y, z) { z = z || 0; DE_ASSERT(deMath.deInBounds32(x, 0, this.m_width)); DE_ASSERT(deMath.deInBounds32(y, 0, this.m_height)); DE_ASSERT(deMath.deInBounds32(z, 0, this.m_depth)); // Make sure that the position is 'integer' this._setPixelInternal(color, Math.round(x), Math.round(y), Math.round(z)); }; // NOTE: setPixel has been broken into setPixel, _setPixelInternal, and _setPixelPacked // because having them combined previously was causing V8 depots tcuTexture.PixelBufferAccess.prototype._setPixelInternal = function(color, x, y, z) { // Quick paths if (z == 0) { if (this.m_rgba8View) { color = deMath.toIVec(color); this.m_rgba8View.write(x, y, color, 4); return; } else if (this.m_rgb8View) { color = deMath.toIVec(color); this.m_rgb8View.write(x, y, color, 3); return; } } var pixelSize = this.m_format.getPixelSize(); var offset = z * this.m_slicePitch + y * this.m_rowPitch + x * pixelSize; var pixelPtr = this.getDataPtr(); var pixelPtrOffset = offset / pixelPtr.BYTES_PER_ELEMENT; return this._setPixelPacked(color, pixelPtr, pixelPtrOffset); }; tcuTexture.PixelBufferAccess.prototype._setPixelPacked = (function () { var pn = function(val, offs, bits) { return tcuTexture.normFloatToChannel(val, bits) << offs; }; var pu = function(val, offs, bits) { return tcuTexture.uintToChannel(val, bits) << offs; }; return function tcuTexture_PixelBufferAccess_setPixelPacked(color, pixelPtr, pixelPtrOffset) { // Packed formats. switch (this.m_format.type) { case tcuTexture.ChannelType.UNORM_SHORT_565: pixelPtr[pixelPtrOffset] = pn(color[0], 11, 5) | pn(color[1], 5, 6) | pn(color[2], 0, 5); break; case tcuTexture.ChannelType.UNORM_SHORT_555: pixelPtr[pixelPtrOffset] = pn(color[0], 10, 5) | pn(color[1], 5, 5) | pn(color[2], 0, 5); break; case tcuTexture.ChannelType.UNORM_SHORT_4444: pixelPtr[pixelPtrOffset] = pn(color[0], 12, 4) | pn(color[1], 8, 4) | pn(color[2], 4, 4) | pn(color[3], 0, 4); break; case tcuTexture.ChannelType.UNORM_SHORT_5551: pixelPtr[pixelPtrOffset] = pn(color[0], 11, 5) | pn(color[1], 6, 5) | pn(color[2], 1, 5) | pn(color[3], 0, 1); break; case tcuTexture.ChannelType.UNORM_INT_101010: pixelPtr[pixelPtrOffset] = pn(color[0], 22, 10) | pn(color[1], 12, 10) | pn(color[2], 2, 10); break; case tcuTexture.ChannelType.UNORM_INT_1010102_REV: pixelPtr[pixelPtrOffset] = pn(color[0], 0, 10) | pn(color[1], 10, 10) | pn(color[2], 20, 10) | pn(color[3], 30, 2); break; case tcuTexture.ChannelType.UNSIGNED_INT_1010102_REV: pixelPtr[pixelPtrOffset] = pu(color[0], 0, 10) | pu(color[1], 10, 10) | pu(color[2], 20, 10) | pu(color[3], 30, 2); break; case tcuTexture.ChannelType.UNSIGNED_INT_999_E5_REV: pixelPtr[pixelPtrOffset] = tcuTexture.packRGB999E5(color); break; case tcuTexture.ChannelType.UNSIGNED_INT_24_8: switch (this.m_format.order) { // \note Stencil is always ignored. case tcuTexture.ChannelOrder.D: pixelPtr[pixelPtrOffset] = pn(color[0], 8, 24); break; case tcuTexture.ChannelOrder.S: pixelPtr[pixelPtrOffset] = pn(color[3], 8, 24); break; case tcuTexture.ChannelOrder.DS: pixelPtr[pixelPtrOffset] = pn(color[0], 8, 24) | pu(color[3], 0, 8); break; default: throw new Error('Unsupported tcuTexture.channel order ' + this.m_format.order); } break; case tcuTexture.ChannelType.FLOAT_UNSIGNED_INT_24_8_REV: { pixelPtr[pixelPtrOffset] = color[0]; var u32array = new Uint32Array(this.m_data, (pixelPtrOffset * pixelPtr.BYTES_PER_ELEMENT) + this.m_offset + 4, 1); u32array[0] = pu(color[3], 0, 8); break; } case tcuTexture.ChannelType.UNSIGNED_INT_11F_11F_10F_REV: { var f11 = function(value) { return tcuFloat.numberToFloat11(value); }; var f10 = function(value) { return tcuFloat.numberToFloat10(value); }; pixelPtr[pixelPtrOffset] = f11(color[0]) | (f11(color[1]) << 11) | (f10(color[2]) << 22); break; } case tcuTexture.ChannelType.FLOAT: if (this.m_format.order == tcuTexture.ChannelOrder.D) { pixelPtr[pixelPtrOffset] = color[0]; break; } // else fall-through to default case! default: { // Generic path. var numChannels = tcuTexture.getNumUsedChannels(this.m_format.order); var map = tcuTexture.getChannelWriteMap(this.m_format.order); for (var c = 0; c < numChannels; c++) pixelPtr[c + pixelPtrOffset] = tcuTexture.floatToChannel(color[map[c]], this.m_format.type); } } }; })(); /** * @param {Array} color Vec4 color to set (unnormalized) * @param {number} x * @param {number} y * @param {number=} z */ tcuTexture.PixelBufferAccess.prototype.setPixelInt = function(color, x, y, z) { z = z || 0; DE_ASSERT(deMath.deInBounds32(x, 0, this.m_width)); DE_ASSERT(deMath.deInBounds32(y, 0, this.m_height)); DE_ASSERT(deMath.deInBounds32(z, 0, this.m_depth)); // Make sure that the position is 'integer' x = Math.round(x); y = Math.round(y); z = Math.round(z); // Quick paths if (z == 0) { if (this.m_rgba8View) { this.m_rgba8View.write(x, y, color, 4); return; } else if (this.m_rgb8View) { this.m_rgb8View.write(x, y, color, 3); return; } } var pixelSize = this.m_format.getPixelSize(); var offset = z * this.m_slicePitch + y * this.m_rowPitch + x * pixelSize; var pixelPtr = this.getDataPtr(); var pixelPtrOffset = offset / pixelPtr.BYTES_PER_ELEMENT; var pu = function(val, offs, bits) { return tcuTexture.uintToChannel(val, bits) << offs; }; // Packed formats. switch (this.m_format.type) { case tcuTexture.ChannelType.UNORM_SHORT_565: pixelPtr[pixelPtrOffset] = pu(color[0], 11, 5) | pu(color[1], 5, 6) | pu(color[2], 0, 5); break; case tcuTexture.ChannelType.UNORM_SHORT_555: pixelPtr[pixelPtrOffset] = pu(color[0], 10, 5) | pu(color[1], 5, 5) | pu(color[2], 0, 5); break; case tcuTexture.ChannelType.UNORM_SHORT_4444: pixelPtr[pixelPtrOffset] = pu(color[0], 12, 4) | pu(color[1], 8, 4) | pu(color[2], 4, 4) | pu(color[3], 0, 4); break; case tcuTexture.ChannelType.UNORM_SHORT_5551: pixelPtr[pixelPtrOffset] = pu(color[0], 11, 5) | pu(color[1], 6, 5) | pu(color[2], 1, 5) | pu(color[3], 0, 1); break; case tcuTexture.ChannelType.UNORM_INT_101010: pixelPtr[pixelPtrOffset] = pu(color[0], 22, 10) | pu(color[1], 12, 10) | pu(color[2], 2, 10); break; case tcuTexture.ChannelType.UNORM_INT_1010102_REV: pixelPtr[pixelPtrOffset] = pu(color[0], 0, 10) | pu(color[1], 10, 10) | pu(color[2], 20, 10) | pu(color[3], 30, 2); break; case tcuTexture.ChannelType.UNSIGNED_INT_1010102_REV: pixelPtr[pixelPtrOffset] = pu(color[0], 0, 10) | pu(color[1], 10, 10) | pu(color[2], 20, 10) | pu(color[3], 30, 2); break; case tcuTexture.ChannelType.UNSIGNED_INT_24_8: switch (this.m_format.order) { // \note Stencil is always ignored. case tcuTexture.ChannelOrder.D: pixelPtr[pixelPtrOffset] = pu(color[0], 8, 24); break; case tcuTexture.ChannelOrder.S: pixelPtr[pixelPtrOffset] = pu(color[3], 8, 24); break; case tcuTexture.ChannelOrder.DS: pixelPtr[pixelPtrOffset] = pu(color[0], 8, 24) | pu(color[3], 0, 8); break; default: throw new Error('Unsupported tcuTexture.channel order ' + this.m_format.order); } break; case tcuTexture.ChannelType.FLOAT_UNSIGNED_INT_24_8_REV: { pixelPtr[pixelPtrOffset] = color[0]; var u32array = new Uint32Array(this.m_data, offset + this.m_offset + 4, 1); u32array[pixelPtrOffset] = pu(color[3], 0, 8); break; } default: { // Generic path. var numChannels = tcuTexture.getNumUsedChannels(this.m_format.order); var map = tcuTexture.getChannelWriteMap(this.m_format.order); for (var c = 0; c < numChannels; c++) pixelPtr[c + pixelPtrOffset] = tcuTexture.intToChannel(color[map[c]], this.m_format.type); } } }; /** * @param {Array=} color Vec4 color to set, optional. * @param {Array=} x Range in x axis, optional. * @param {Array=} y Range in y axis, optional. * @param {Array=} z Range in z axis, optional. */ tcuTexture.PixelBufferAccess.prototype.clear = function(color, x, y, z) { var c = color || [0, 0, 0, 0]; var arrayType = tcuTexture.getTypedArray(this.m_format.type); var range_x = x || [0, this.m_width]; var range_y = y || [0, this.m_height]; var range_z = z || [0, this.m_depth]; var pixelSize = this.m_format.getPixelSize(); var numElements = pixelSize / arrayType.BYTES_PER_ELEMENT; var width = range_x[1] - range_x[0]; var height = range_y[1] - range_y[0]; var depth = range_z[1] - range_z[0]; if (x === undefined && y === undefined && z === undefined && c[0] == 0 && c[1] == 0 && c[2] == 0 && c[3] == 0) { var pixelPtr = new arrayType(this.m_data, this.m_offset); pixelPtr.fill(0); return; } //copy first pixel over other pixels in the row var fillRow = function(pixelPtr, numElements, width) { for (var i = 1; i < width; i++) for (var c = 0; c < numElements; c++) pixelPtr[i * numElements + c] = pixelPtr[c]; }; // copy first row to other rows in all planes var fillPlanes = function(buffer, arrayType, src, offset, rowStride, planeStride, width, height, depth) { for (var j = 0; j < depth; j++) for (var i = (j == 0 ? 1 : 0); i < height; i++) { var dst = new arrayType(buffer, offset + i * rowStride + j * planeStride, width); dst.set(src); } }; this.setPixel(c, range_x[0], range_y[0], range_z[0]); var offset = range_z[0] * this.m_slicePitch + range_y[0] * this.m_rowPitch + range_x[0] * pixelSize; var pixelPtr = new arrayType(this.m_data, offset + this.m_offset, width * numElements); fillRow(pixelPtr, numElements, width); fillPlanes(this.m_data, arrayType, pixelPtr, offset + this.m_offset, this.m_rowPitch, this.m_slicePitch, width * numElements, height, depth); }; /** * @param {number} depth to set * @param {number} x * @param {number} y * @param {number=} z */ tcuTexture.PixelBufferAccess.prototype.setPixDepth = function(depth, x, y, z) { if (z == null) z = 0; DE_ASSERT(deMath.deInBounds32(x, 0, this.m_width)); DE_ASSERT(deMath.deInBounds32(y, 0, this.m_height)); DE_ASSERT(deMath.deInBounds32(z, 0, this.m_depth)); // Make sure that the position is 'integer' x = Math.round(x); y = Math.round(y); z = Math.round(z); var pixelSize = this.m_format.getPixelSize(); var offset = z * this.m_slicePitch + y * this.m_rowPitch + x * pixelSize; var pixelPtr = this.getDataPtr(); var pixelPtrOffset = offset / pixelPtr.BYTES_PER_ELEMENT; var pn = function(val, offs, bits) { return tcuTexture.normFloatToChannel(val, bits) << offs; }; // Packed formats. switch (this.m_format.type) { case tcuTexture.ChannelType.UNSIGNED_INT_24_8: switch (this.m_format.order) { case tcuTexture.ChannelOrder.D: pixelPtr[pixelPtrOffset] = pn(depth, 8, 24); break; case tcuTexture.ChannelOrder.DS: pixelPtr[pixelPtrOffset] = pn(depth, 8, 24) | (pixelPtr[pixelPtrOffset] & 0xFF); break; default: throw new Error('Unsupported tcuTexture.channel order ' + this.m_format.order); } break; case tcuTexture.ChannelType.FLOAT_UNSIGNED_INT_24_8_REV: { DE_ASSERT(this.m_format.order == tcuTexture.ChannelOrder.DS); pixelPtr[pixelPtrOffset] = depth; break; } default: { DE_ASSERT(this.m_format.order == tcuTexture.ChannelOrder.D || this.m_format.order == tcuTexture.ChannelOrder.DS); pixelPtr[pixelPtrOffset] = tcuTexture.floatToChannel(depth, this.m_format.type); } } }; /** * @param {number} stencil to set * @param {number} x * @param {number} y * @param {number=} z */ tcuTexture.PixelBufferAccess.prototype.setPixStencil = function(stencil, x, y, z) { if (z == null) z = 0; DE_ASSERT(deMath.deInBounds32(x, 0, this.m_width)); DE_ASSERT(deMath.deInBounds32(y, 0, this.m_height)); DE_ASSERT(deMath.deInBounds32(z, 0, this.m_depth)); // Make sure that the position is 'integer' x = Math.round(x); y = Math.round(y); z = Math.round(z); var pixelSize = this.m_format.getPixelSize(); var offset = z * this.m_slicePitch + y * this.m_rowPitch + x * pixelSize; var pixelPtr = this.getDataPtr(); var pixelPtrOffset = offset / pixelPtr.BYTES_PER_ELEMENT; var pu = function(val, offs, bits) { return tcuTexture.uintToChannel(val, bits) << offs; }; // Packed formats. switch (this.m_format.type) { case tcuTexture.ChannelType.UNSIGNED_INT_24_8: switch (this.m_format.order) { case tcuTexture.ChannelOrder.S: pixelPtr[pixelPtrOffset] = pu(stencil, 8, 24); break; case tcuTexture.ChannelOrder.DS: pixelPtr[pixelPtrOffset] = pu(stencil, 0, 8) | (pixelPtr[pixelPtrOffset] & 0xFFFFFF00); break; default: throw new Error('Unsupported tcuTexture.channel order ' + this.m_format.order); } break; case tcuTexture.ChannelType.FLOAT_UNSIGNED_INT_24_8_REV: { var u32array = new Uint32Array(this.m_data, this.m_offset + offset + 4, 1); u32array[0] = pu(stencil, 0, 8); break; } default: { if (this.m_format.order == tcuTexture.ChannelOrder.S) pixelPtr[pixelPtrOffset] = tcuTexture.floatToChannel(stencil, this.m_format.type); else { DE_ASSERT(this.m_format.order == tcuTexture.ChannelOrder.DS); pixelPtr[3 + pixelPtrOffset] = tcuTexture.floatToChannel(stencil, this.m_format.type); } } } }; /** * newFromTextureLevel * @param {tcuTexture.TextureLevel} level * @return {tcuTexture.PixelBufferAccess} */ tcuTexture.PixelBufferAccess.newFromTextureLevel = function(level) { var descriptor = new Object(); descriptor.format = level.getFormat(); descriptor.width = level.getWidth(); descriptor.height = level.getHeight(); descriptor.depth = level.m_depth; descriptor.data = level.m_data.m_ptr; return new tcuTexture.PixelBufferAccess(descriptor); }; /** * newFromTextureFormat * @param {tcuTexture.TextureFormat} format * @param {number} width * @param {number} height * @param {number} depth * @param {number} rowPitch * @param {number} slicePitch * @param {ArrayBuffer} data */ tcuTexture.PixelBufferAccess.newFromTextureFormat = function(format, width, height, depth, rowPitch, slicePitch, data) { var descriptor = new Object(); descriptor.format = format; descriptor.width = width; descriptor.height = height; descriptor.depth = depth; descriptor.rowPitch = rowPitch; descriptor.slicePitch = slicePitch; descriptor.data = data; return new tcuTexture.PixelBufferAccess(descriptor); }; /* TODO: Port */ // { // public: // tcuTexture.PixelBufferAccess (void) {} // tcuTexture.PixelBufferAccess (const tcuTexture.TextureFormat& format, int width, int height, int depth, void* data); // void* getDataPtr (void) const { return m_data; } // void setPixels (const void* buf, int bufSize) const; // void setPixel (const tcu::Vec4& color, int x, int y, int z = 0) const; // void setPixel (const tcu::IVec4& color, int x, int y, int z = 0) const; // void setPixel (const tcu::UVec4& color, int x, int y, int z = 0) const { setPixel(color.cast(), x, y, z); } // void setPixDepth (float depth, int x, int y, int z = 0) const; // void setPixStencil (int stencil, int x, int y, int z = 0) const; // }; /** * @constructor * @param {tcuTexture.TextureFormat} format * @param {number} numLevels */ tcuTexture.TextureLevelPyramid = function(format, numLevels) { /* tcuTexture.TextureFormat */this.m_format = format; /* LevelData */ this.m_data = []; for (var i = 0; i < numLevels; i++) this.m_data.push(new tcuTexture.DeqpArrayBuffer()); /* {Array} */ this.m_access = []; this.m_access.length = numLevels; }; /** @return {boolean} */ tcuTexture.TextureLevelPyramid.prototype.isLevelEmpty = function(levelNdx) { return this.m_data[levelNdx].empty(); }; /** @return {tcuTexture.TextureFormat} */ tcuTexture.TextureLevelPyramid.prototype.getFormat = function() { return this.m_format; }; /** @return {number} */ tcuTexture.TextureLevelPyramid.prototype.getNumLevels = function() { return this.m_access.length; }; /** @return {tcuTexture.PixelBufferAccess} */ tcuTexture.TextureLevelPyramid.prototype.getLevel = function(ndx) { return this.m_access[ndx]; }; /** @return {Array} */ tcuTexture.TextureLevelPyramid.prototype.getLevels = function() { return this.m_access; }; /** * @param {number} levelNdx * @param {number} width * @param {number} height * @param {number} depth */ tcuTexture.TextureLevelPyramid.prototype.allocLevel = function(levelNdx, width, height, depth) { var size = this.m_format.getPixelSize() * width * height * depth; DE_ASSERT(this.isLevelEmpty(levelNdx)); this.m_data[levelNdx].setStorage(size); this.m_access[levelNdx] = new tcuTexture.PixelBufferAccess({ format: this.m_format, width: width, height: height, depth: depth, data: this.m_data[levelNdx].m_ptr }); }; tcuTexture.TextureLevelPyramid.prototype.clearLevel = function(levelNdx) { /* TODO: Implement */ throw new Error('Not implemented'); }; /** * @param {Array} levels * @param {number} numLevels * @param {tcuTexture.Sampler} sampler * @param {number} s * @param {number} t * @param {number} depth (integer) * @param {number=} lod * @return {Array} Vec4 pixel color */ tcuTexture.sampleLevelArray2D = function(levels, numLevels, sampler, s, t, depth, lod) { // z-offset in 2D textures is layer selector return tcuTexture.sampleLevelArray2DOffset(levels, numLevels, sampler, [s, t], lod, [0, 0, depth]); }; /** * @param {Array} levels * @param {number} numLevels * @param {tcuTexture.Sampler} sampler * @param {number} s * @param {number} t * @param {number} r * @param {number} lod * @return {Array} Vec4 pixel color */ tcuTexture.sampleLevelArray3D = function(levels, numLevels, sampler, s, t, r, lod) { return tcuTexture.sampleLevelArray3DOffset(levels, numLevels, sampler, s, t, r, lod, [0, 0, 0]); }; /** * @constructor * @param {tcuTexture.CubeFace} face * @param {Array} coords */ tcuTexture.CubeFaceCoords = function(face, coords) { this.face = face; this.s = coords[0]; this.t = coords[1]; }; /** * \brief 2D Texture View * @constructor * @param {number} numLevels * @param {?Array} levels */ tcuTexture.Texture2DView = function(numLevels, levels) { this.m_numLevels = numLevels; this.m_levels = levels; }; /** @return {number} */ tcuTexture.Texture2DView.prototype.getNumLevels = function() { return this.m_numLevels; }; /** @return {number} */ tcuTexture.Texture2DView.prototype.getWidth = function() { return this.m_numLevels > 0 ? this.m_levels[0].getWidth() : 0; }; /** @return {number} */ tcuTexture.Texture2DView.prototype.getHeight = function() { return this.m_numLevels > 0 ? this.m_levels[0].getHeight() : 0; }; /** * @param {number} ndx * @return {tcuTexture.ConstPixelBufferAccess} */ tcuTexture.Texture2DView.prototype.getLevel = function(ndx) { DE_ASSERT(deMath.deInBounds32(ndx, 0, this.m_numLevels)); return this.m_levels[ndx]; }; /** @return {Array} */ tcuTexture.Texture2DView.prototype.getLevels = function() { return this.m_levels; }; /** * @param {number} baseLevel * @param {number} maxLevel * return {tcuTexture.Texture2DView} */ tcuTexture.Texture2DView.prototype.getSubView = function(baseLevel, maxLevel) { var clampedBase = deMath.clamp(baseLevel, 0, this.m_numLevels - 1); var clampedMax = deMath.clamp(maxLevel, clampedBase, this.m_numLevels - 1); var numLevels = clampedMax - clampedBase + 1; return new tcuTexture.Texture2DView(numLevels, this.m_levels.slice(clampedBase, numLevels)); }; /** * @param {tcuTexture.Sampler} sampler * @param {Array} texCoord * @param {number=} lod * @return {Array} Pixel color */ tcuTexture.Texture2DView.prototype.sample = function(sampler, texCoord, lod) { return tcuTexture.sampleLevelArray2D(this.m_levels, this.m_numLevels, sampler, texCoord[0], texCoord[1], 0 /* depth */, lod); }; /** * @param {tcuTexture.Sampler} sampler * @param {Array} texCoord * @param {number} lod * @param {Array} offset * @return {Array} Pixel color */ tcuTexture.Texture2DView.prototype.sampleOffset = function(sampler, texCoord, lod, offset) { return tcuTexture.sampleLevelArray2DOffset(this.m_levels, this.m_numLevels, sampler, texCoord, lod, [offset[0], offset[1], 0]); }; /** * @param {tcuTexture.Sampler} sampler * @param {number} ref * @param {Array} texCoord * @param {number} lod * @return {number} */ tcuTexture.Texture2DView.prototype.sampleCompare = function(sampler, ref, texCoord, lod) { return tcuTexture.sampleLevelArray2DCompare(this.m_levels, this.m_numLevels, sampler, ref, texCoord[0], texCoord[1], lod, [0, 0, 0]); }; /** * @param {tcuTexture.Sampler} sampler * @param {number} ref * @param {Array} texCoord * @param {number} lod * @param {Array} offset * @return {number} */ tcuTexture.Texture2DView.prototype.sampleCompareOffset = function(sampler, ref, texCoord, lod, offset) { return tcuTexture.sampleLevelArray2DCompare(this.m_levels, this.m_numLevels, sampler, ref, texCoord[0], texCoord[1], lod, [offset[0], offset[1], 0]); }; /* TODO: Port Vec4 sample (const tcuTexture.Sampler& sampler, float s, float t, float lod) const; Vec4 sampleOffset (const tcuTexture.Sampler& sampler, float s, float t, float lod, const IVec2& offset) const; float sampleCompare (const tcuTexture.Sampler& sampler, float ref, float s, float t, float lod) const; float sampleCompareOffset (const tcuTexture.Sampler& sampler, float ref, float s, float t, float lod, const IVec2& offset) const; Vec4 gatherOffsets (const tcuTexture.Sampler& sampler, float s, float t, int componentNdx, const IVec2 (&offsets)[4]) const; Vec4 gatherOffsetsCompare(const tcuTexture.Sampler& sampler, float ref, float s, float t, const IVec2 (&offsets)[4]) const; */ /** * @constructor * @param {number} numLevels * @param {Array} levels */ tcuTexture.Texture2DArrayView = function(numLevels, levels) { this.m_numLevels = numLevels; this.m_levels = levels; }; /** @return {number} */ tcuTexture.Texture2DArrayView.prototype.getNumLevels = function() { return this.m_numLevels; }; /** @return {number} */ tcuTexture.Texture2DArrayView.prototype.getWidth = function() { return this.m_numLevels > 0 ? this.m_levels[0].getWidth() : 0; }; /** @return {number} */ tcuTexture.Texture2DArrayView.prototype.getHeight = function() { return this.m_numLevels > 0 ? this.m_levels[0].getHeight() : 0; }; /** @return {number} */ tcuTexture.Texture2DArrayView.prototype.getNumLayers = function() { return this.m_numLevels > 0 ? this.m_levels[0].getDepth() : 0; }; /** * @param {number} ndx * @return {tcuTexture.ConstPixelBufferAccess} */ tcuTexture.Texture2DArrayView.prototype.getLevel = function(ndx) { DE_ASSERT(deMath.deInBounds32(ndx, 0, this.m_numLevels)); return this.m_levels[ndx]; }; /** @return {Array} */ tcuTexture.Texture2DArrayView.prototype.getLevels = function() { return this.m_levels; }; /** * @param {number} r * @return {number} layer corresponding to requested sampling 'r' coordinate */ tcuTexture.Texture2DArrayView.prototype.selectLayer = function(r) { DE_ASSERT(this.m_numLevels > 0 && this.m_levels); return deMath.clamp(Math.round(r), 0, this.m_levels[0].getDepth() - 1); }; /** * @param {tcuTexture.Sampler} sampler * @param {Array} texCoord * @param {number=} lod * @return {Array} Pixel color */ tcuTexture.Texture2DArrayView.prototype.sample = function(sampler, texCoord, lod) { lod = lod || 0; return tcuTexture.sampleLevelArray2D(this.m_levels, this.m_numLevels, sampler, texCoord[0], texCoord[1], this.selectLayer(texCoord[2]), lod); }; /** * @param {tcuTexture.Sampler} sampler * @param {Array} texCoord * @param {number} lod * @param {Array} offset * @return {Array} */ tcuTexture.Texture2DArrayView.prototype.sampleOffset = function(sampler, texCoord, lod, offset) { return tcuTexture.sampleLevelArray2DOffset(this.m_levels, this.m_numLevels, sampler, texCoord, lod, [offset[0], offset[1], this.selectLayer(texCoord[2])]); }; /** * @param {tcuTexture.Sampler} sampler * @param {number} ref * @param {Array} texCoord * @param {number} lod * @param {Array} offset * @return {number} */ tcuTexture.Texture2DArrayView.prototype.sampleCompareOffset = function(sampler, ref, texCoord, lod, offset) { return tcuTexture.sampleLevelArray2DCompare(this.m_levels, this.m_numLevels, sampler, ref, texCoord[0], texCoord[1], lod, [offset[0], offset[1], this.selectLayer(texCoord[2])]); }; /** * @param {tcuTexture.Sampler} sampler * @param {number} ref * @param {Array} texCoord * @param {number} lod * @return {number} */ tcuTexture.Texture2DArrayView.prototype.sampleCompare = function(sampler, ref, texCoord, lod) { return tcuTexture.sampleLevelArray2DCompare(this.m_levels, this.m_numLevels, sampler, ref, texCoord[0], texCoord[1], lod, [0, 0, this.selectLayer(texCoord[2])]); }; /** * @param {Array} levels * @param {number} numLevels * @param {tcuTexture.Sampler} sampler * @param {Array} texCoord * @param {number} lod * @param {Array} offset * @return {Array} */ tcuTexture.sampleLevelArray2DOffset = function(levels, numLevels, sampler, texCoord, lod, offset) { /** @type {boolean} */ var magnified = lod <= sampler.lodThreshold; /** @type {tcuTexture.FilterMode} */ var filterMode = magnified ? sampler.magFilter : sampler.minFilter; /** @type {number} */ var maxLevel; /** @type {tcuTexture.FilterMode} */ var levelFilter; switch (filterMode) { case tcuTexture.FilterMode.NEAREST: return levels[0].sample2DOffset(sampler, filterMode, texCoord[0], texCoord[1], offset); case tcuTexture.FilterMode.LINEAR: return levels[0].sample2DOffset(sampler, filterMode, texCoord[0], texCoord[1], offset); case tcuTexture.FilterMode.NEAREST_MIPMAP_NEAREST: case tcuTexture.FilterMode.LINEAR_MIPMAP_NEAREST: maxLevel = numLevels - 1; /** @type {number} */ var level = deMath.clamp(Math.ceil(lod + 0.5) - 1, 0, maxLevel); levelFilter = (filterMode === tcuTexture.FilterMode.LINEAR_MIPMAP_NEAREST) ? tcuTexture.FilterMode.LINEAR : tcuTexture.FilterMode.NEAREST; return levels[level].sample2DOffset(sampler, levelFilter, texCoord[0], texCoord[1], offset); case tcuTexture.FilterMode.NEAREST_MIPMAP_LINEAR: case tcuTexture.FilterMode.LINEAR_MIPMAP_LINEAR: maxLevel = numLevels - 1; /** @type {number} */ var level0 = deMath.clamp(Math.floor(lod), 0, maxLevel); /** @type {number} */ var level1 = Math.min(maxLevel, level0 + 1); levelFilter = (filterMode === tcuTexture.FilterMode.LINEAR_MIPMAP_LINEAR) ? tcuTexture.FilterMode.LINEAR : tcuTexture.FilterMode.NEAREST; /** @type {number} */ var f = deMath.deFloatFrac(lod); /** @type {Array} */ var t0 = levels[level0].sample2DOffset(sampler, levelFilter, texCoord[0], texCoord[1], offset); /** @type {Array} */ var t1 = levels[level1].sample2DOffset(sampler, levelFilter, texCoord[0], texCoord[1], offset); return deMath.add(deMath.scale(t0, (1.0 - f)), deMath.scale(t1, f)); default: return [0.0, 0.0, 0.0, 0.0]; } }; /** * @constructor * @param {number} numLevels * @param {Array} levels */ tcuTexture.Texture3DView = function(numLevels, levels) { this.m_numLevels = numLevels; this.m_levels = levels; }; /** @return {number} */ tcuTexture.Texture3DView.prototype.getNumLevels = function() { return this.m_numLevels; }; /** @return {number} */ tcuTexture.Texture3DView.prototype.getWidth = function() { return this.m_numLevels > 0 ? this.m_levels[0].getWidth() : 0; }; /** @return {number} */ tcuTexture.Texture3DView.prototype.getHeight = function() { return this.m_numLevels > 0 ? this.m_levels[0].getHeight() : 0; }; /** @return {number} */ tcuTexture.Texture3DView.prototype.getDepth = function() { return this.m_numLevels > 0 ? this.m_levels[0].getDepth() : 0; }; /** * @param {number} ndx * @return {tcuTexture.ConstPixelBufferAccess} */ tcuTexture.Texture3DView.prototype.getLevel = function(ndx) { DE_ASSERT(deMath.deInBounds32(ndx, 0, this.m_numLevels)); return this.m_levels[ndx]; }; /** @return {Array} */ tcuTexture.Texture3DView.prototype.getLevels = function() { return this.m_levels; }; /** * @param {number} baseLevel * @param {number} maxLevel * return {tcuTexture.Texture3DView} */ tcuTexture.Texture3DView.prototype.getSubView = function(baseLevel, maxLevel) { var clampedBase = deMath.clamp(baseLevel, 0, this.m_numLevels - 1); var clampedMax = deMath.clamp(maxLevel, clampedBase, this.m_numLevels - 1); var numLevels = clampedMax - clampedBase + 1; return new tcuTexture.Texture3DView(numLevels, this.m_levels.slice(clampedBase, numLevels)); }; /** * @param {tcuTexture.Sampler} sampler * @param {Array} texCoord * @param {number=} lod * @return {Array} Pixel color */ tcuTexture.Texture3DView.prototype.sample = function(sampler, texCoord, lod) { lod = lod || 0; return tcuTexture.sampleLevelArray3D(this.m_levels, this.m_numLevels, sampler, texCoord[0], texCoord[1], texCoord[2], lod); }; /** * @param {tcuTexture.Sampler} sampler * @param {number} ref * @param {Array} texCoord * @param {number} lod * @return {number} */ tcuTexture.Texture3DView.prototype.sampleCompare = function(sampler, ref, texCoord, lod) { throw new Error('Unimplemented'); }; /** * @param {tcuTexture.Sampler} sampler * @param {Array} texCoord * @param {number} lod * @param {Array} offset * @return {Array} */ tcuTexture.Texture3DView.prototype.sampleOffset = function(sampler, texCoord, lod, offset) { return tcuTexture.sampleLevelArray3DOffset(this.m_levels, this.m_numLevels, sampler, texCoord[0], texCoord[1], texCoord[2], lod, offset); }; /* TODO: All view classes are very similar. They should have a common base class */ /** * @param {Array} levels * @param {number} numLevels * @param {tcuTexture.Sampler} sampler * @param {number} s * @param {number} t * @param {number} r * @param {number} lod * @param {Array} offset * @return {Array} */ tcuTexture.sampleLevelArray3DOffset = function(levels, numLevels, sampler, s, t, r, lod, offset) { /** @type {boolean} */ var magnified = lod <= sampler.lodThreshold; /** @type {tcuTexture.FilterMode} */ var filterMode = magnified ? sampler.magFilter : sampler.minFilter; /** @type {number} */ var maxLevel; /** @type {tcuTexture.FilterMode} */ var levelFilter; switch (filterMode) { case tcuTexture.FilterMode.NEAREST: return levels[0].sample3DOffset(sampler, filterMode, s, t, r, offset); case tcuTexture.FilterMode.LINEAR: return levels[0].sample3DOffset(sampler, filterMode, s, t, r, offset); case tcuTexture.FilterMode.NEAREST_MIPMAP_NEAREST: case tcuTexture.FilterMode.LINEAR_MIPMAP_NEAREST: maxLevel = numLevels - 1; /** @type {number} */ var level = deMath.clamp(Math.ceil(lod + 0.5) - 1, 0, maxLevel); levelFilter = (filterMode === tcuTexture.FilterMode.LINEAR_MIPMAP_NEAREST) ? tcuTexture.FilterMode.LINEAR : tcuTexture.FilterMode.NEAREST; return levels[level].sample3DOffset(sampler, levelFilter, s, t, r, offset); case tcuTexture.FilterMode.NEAREST_MIPMAP_LINEAR: case tcuTexture.FilterMode.LINEAR_MIPMAP_LINEAR: maxLevel = numLevels - 1; /** @type {number} */ var level0 = deMath.clamp(Math.floor(lod), 0, maxLevel); /** @type {number} */ var level1 = Math.min(maxLevel, level0 + 1); levelFilter = (filterMode === tcuTexture.FilterMode.LINEAR_MIPMAP_LINEAR) ? tcuTexture.FilterMode.LINEAR : tcuTexture.FilterMode.NEAREST; /** @type {number} */ var f = deMath.deFloatFrac(lod); /** @type {Array} */ var t0 = levels[level0].sample3DOffset(sampler, levelFilter, s, t, r, offset); /** @type {Array} */ var t1 = levels[level1].sample3DOffset(sampler, levelFilter, s, t, r, offset); return deMath.add(deMath.scale(t0, (1.0 - f)), deMath.scale(t1, f)); default: throw new Error('Filter mode not supported'); } }; /** * @param {number} width * @param {number=} height * @param {number=} depth * @return {number} Number of pyramid levels */ tcuTexture.computeMipPyramidLevels = function(width, height, depth) { if (depth !== undefined) return Math.floor(Math.log2(Math.max(width, Math.max(height, depth)))) + 1; else if (height !== undefined) return Math.floor(Math.log2(Math.max(width, height))) + 1; else return Math.floor(Math.log2(width)) + 1; }; /** * @param {number} baseLevelSize * @param {number} levelNdx */ tcuTexture.getMipPyramidLevelSize = function(baseLevelSize, levelNdx) { return Math.max(baseLevelSize >> levelNdx, 1); }; /** * @param {Array} faceAccesses * @param {tcuTexture.CubeFace} baseFace * @param {number} u * @param {number} v * @param {number} depth * @return {Array>} */ tcuTexture.getCubeLinearSamples = function(faceAccesses, baseFace, u, v, depth) { DE_ASSERT(faceAccesses[0].getWidth() == faceAccesses[0].getHeight()); /** @type {Array>} */ var dst = []; var size = faceAccesses[0].getWidth(); var x0 = Math.floor(u - 0.5); var x1 = x0 + 1; var y0 = Math.floor(v - 0.5); var y1 = y0 + 1; var baseSampleCoords = [ [x0, y0], [x1, y0], [x0, y1], [x1, y1] ]; /** @type {Array>} */ var sampleColors = []; /** @type {Array} */ var hasBothCoordsOutOfBounds = []; //!< Whether correctCubeFace() returns CUBEFACE_LAST, i.e. both u and v are out of bounds. // Find correct faces and coordinates for out-of-bounds sample coordinates. for (var i = 0; i < 4; i++) { /** @type {tcuTexture.CubeFaceCoords} */ var coords = tcuTexture.remapCubeEdgeCoords(new tcuTexture.CubeFaceCoords(baseFace, baseSampleCoords[i]), size); hasBothCoordsOutOfBounds[i] = coords == null; if (!hasBothCoordsOutOfBounds[i]) sampleColors[i] = tcuTexture.lookup(faceAccesses[coords.face], coords.s, coords.t, depth); } // If a sample was out of bounds in both u and v, we get its color from the average of the three other samples. // \note This averaging behavior is not required by the GLES3 spec (though it is recommended). GLES3 spec only // requires that if the three other samples all have the same color, then the doubly-out-of-bounds sample // must have this color as well. var bothOutOfBoundsNdx = -1; for (var i = 0; i < 4; i++) { if (hasBothCoordsOutOfBounds[i]) { DE_ASSERT(bothOutOfBoundsNdx < 0); // Only one sample can be out of bounds in both u and v. bothOutOfBoundsNdx = i; } } if (bothOutOfBoundsNdx != -1) { sampleColors[bothOutOfBoundsNdx] = [0, 0, 0, 0]; for (var i = 0; i < 4; i++) if (i != bothOutOfBoundsNdx) sampleColors[bothOutOfBoundsNdx] = deMath.add(sampleColors[bothOutOfBoundsNdx], sampleColors[i]); sampleColors[bothOutOfBoundsNdx] = deMath.scale(sampleColors[bothOutOfBoundsNdx], (1.0 / 3.0)); } for (var i = 0; i < sampleColors.length; i++) dst[i] = sampleColors[i]; return dst; }; // \todo [2014-02-19 pyry] Optimize faceAccesses /** * @param {Array} faceAccesses * @param {tcuTexture.CubeFace} baseFace * @param {tcuTexture.Sampler} sampler * @param {number} s * @param {number} t * @param {number} depth * @return {Array} */ tcuTexture.sampleCubeSeamlessLinear = function(faceAccesses, baseFace, sampler, s, t, depth) { DE_ASSERT(faceAccesses[0].getWidth() == faceAccesses[0].getHeight()); var size = faceAccesses[0].getWidth(); // Non-normalized coordinates. var u = s; var v = t; if (sampler.normalizedCoords) { u = tcuTexture.unnormalize(sampler.wrapS, s, size); v = tcuTexture.unnormalize(sampler.wrapT, t, size); } // Get sample colors. /** @type {Array>} */ var sampleColors = tcuTexture.getCubeLinearSamples(faceAccesses, baseFace, u, v, depth); // Interpolate. var a = deMath.deFloatFrac(u - 0.5); var b = deMath.deFloatFrac(v - 0.5); return deMath.add((deMath.scale(deMath.scale(sampleColors[0], (1.0 - a)), (1.0 - b))), deMath.add((deMath.scale(deMath.scale(sampleColors[1], (a)), (1.0 - b))), deMath.add((deMath.scale(deMath.scale(sampleColors[2], (1.0 - a)), (b))), (deMath.scale(deMath.scale(sampleColors[3], (a)), (b)))))); }; /** * @param {Array>} faces * @param {number} numLevels * @param {tcuTexture.CubeFace} face * @param {tcuTexture.Sampler} sampler * @param {number} s * @param {number} t * @param {number} depth * @param {number=} lod * @return {Array} */ tcuTexture.sampleLevelArrayCubeSeamless = function(faces, numLevels, face, sampler, s, t, depth, lod) { lod = lod || 0; var magnified = lod <= sampler.lodThreshold; /** @type {tcuTexture.FilterMode} */ var filterMode = magnified ? sampler.magFilter : sampler.minFilter; /** @type {Array} */ var faceAccesses = []; /** @type {tcuTexture.FilterMode}*/ var levelFilter; switch (filterMode) { case tcuTexture.FilterMode.NEAREST: return tcuTexture.sampleCubeSeamlessNearest(faces[face][0], sampler, s, t, depth); case tcuTexture.FilterMode.LINEAR: { faceAccesses = []; for (var i = 0; i < Object.keys(tcuTexture.CubeFace).length; i++) faceAccesses[i] = faces[i][0]; return tcuTexture.sampleCubeSeamlessLinear(faceAccesses, face, sampler, s, t, depth); } case tcuTexture.FilterMode.NEAREST_MIPMAP_NEAREST: case tcuTexture.FilterMode.LINEAR_MIPMAP_NEAREST: { var maxLevel = numLevels - 1; var level = deMath.clamp(Math.ceil(lod + 0.5) - 1, 0, maxLevel); levelFilter = (filterMode == tcuTexture.FilterMode.LINEAR_MIPMAP_NEAREST) ? tcuTexture.FilterMode.LINEAR : tcuTexture.FilterMode.NEAREST; if (levelFilter == tcuTexture.FilterMode.NEAREST) return tcuTexture.sampleCubeSeamlessNearest(faces[face][level], sampler, s, t, depth); else { DE_ASSERT(levelFilter == tcuTexture.FilterMode.LINEAR); faceAccesses = []; for (var i = 0; i < Object.keys(tcuTexture.CubeFace).length; i++) faceAccesses[i] = faces[i][level]; return tcuTexture.sampleCubeSeamlessLinear(faceAccesses, face, sampler, s, t, depth); } } case tcuTexture.FilterMode.NEAREST_MIPMAP_LINEAR: case tcuTexture.FilterMode.LINEAR_MIPMAP_LINEAR: { var maxLevel = numLevels - 1; var level0 = deMath.clamp(Math.floor(lod), 0, maxLevel); var level1 = Math.min(maxLevel, level0 + 1); levelFilter = (filterMode == tcuTexture.FilterMode.LINEAR_MIPMAP_LINEAR) ? tcuTexture.FilterMode.LINEAR : tcuTexture.FilterMode.NEAREST; var f = deMath.deFloatFrac(lod); var t0 = []; var t1 = []; if (levelFilter == tcuTexture.FilterMode.NEAREST) { t0 = tcuTexture.sampleCubeSeamlessNearest(faces[face][level0], sampler, s, t, depth); t1 = tcuTexture.sampleCubeSeamlessNearest(faces[face][level1], sampler, s, t, depth); } else { DE_ASSERT(levelFilter == tcuTexture.FilterMode.LINEAR); /** @type {Array}*/ var faceAccesses0 = []; /** @type {Array}*/ var faceAccesses1 = []; for (var i = 0; i < Object.keys(tcuTexture.CubeFace).length; i++) { faceAccesses0[i] = faces[i][level0]; faceAccesses1[i] = faces[i][level1]; } t0 = tcuTexture.sampleCubeSeamlessLinear(faceAccesses0, face, sampler, s, t, depth); t1 = tcuTexture.sampleCubeSeamlessLinear(faceAccesses1, face, sampler, s, t, depth); } return deMath.add(deMath.scale(t0, (1.0 - f)), deMath.scale(t1, f)); } default: throw new Error('Unsupported filter mode'); } }; /** * @param {tcuTexture.ConstPixelBufferAccess} faceAccess * @param {tcuTexture.Sampler} sampler * @param {number} ref * @param {number} s * @param {number} t * @param {number=} depth * @return {number} */ tcuTexture.sampleCubeSeamlessNearestCompare = function(faceAccess, sampler, ref, s, t, depth) { depth = depth ? depth : 0; /** @type {tcuTexture.Sampler} */ var clampingSampler = deUtil.clone(sampler); clampingSampler.wrapS = tcuTexture.WrapMode.CLAMP_TO_EDGE; clampingSampler.wrapT = tcuTexture.WrapMode.CLAMP_TO_EDGE; return faceAccess.sample2DCompare(clampingSampler, tcuTexture.FilterMode.NEAREST, ref, s, t, [0, 0, depth]); }; /** * @param {Array} faceAccesses * @param {tcuTexture.CubeFace} baseFace * @param {tcuTexture.Sampler} sampler * @param {number} ref * @param {number} s * @param {number} t * @return {number} */ tcuTexture.sampleCubeSeamlessLinearCompare = function(faceAccesses, baseFace, sampler, ref, s, t) { DE_ASSERT(faceAccesses[0].getWidth() == faceAccesses[0].getHeight()); var size = faceAccesses[0].getWidth(); // Non-normalized coordinates. var u = s; var v = t; if (sampler.normalizedCoords) { u = tcuTexture.unnormalize(sampler.wrapS, s, size); v = tcuTexture.unnormalize(sampler.wrapT, t, size); } var x0 = Math.floor(u - 0.5); var x1 = x0 + 1; var y0 = Math.floor(v - 0.5); var y1 = y0 + 1; var baseSampleCoords = [ [x0, y0], [x1, y0], [x0, y1], [x1, y1] ]; var sampleRes = []; var hasBothCoordsOutOfBounds = []; //!< Whether correctCubeFace() returns CUBEFACE_LAST, i.e. both u and v are out of bounds. // Find correct faces and coordinates for out-of-bounds sample coordinates. for (var i = 0; i < 4; i++) { /** @type {tcuTexture.CubeFaceCoords} */ var coords = tcuTexture.remapCubeEdgeCoords(new tcuTexture.CubeFaceCoords(baseFace, baseSampleCoords[i]), size); hasBothCoordsOutOfBounds[i] = coords == null; if (!hasBothCoordsOutOfBounds[i]) { var isFixedPointDepth = tcuTexture.isFixedPointDepthTextureFormat(faceAccesses[coords.face].getFormat()); sampleRes[i] = tcuTexture.execCompare(faceAccesses[coords.face].getPixel(coords.s, coords.t), sampler.compare, sampler.compareChannel, ref, isFixedPointDepth); } } // If a sample was out of bounds in both u and v, we get its color from the average of the three other samples. // \note This averaging behavior is not required by the GLES3 spec (though it is recommended). GLES3 spec only // requires that if the three other samples all have the same color, then the doubly-out-of-bounds sample // must have this color as well. var bothOutOfBoundsNdx = -1; for (var i = 0; i < 4; i++) { if (hasBothCoordsOutOfBounds[i]) { DE_ASSERT(bothOutOfBoundsNdx < 0); // Only one sample can be out of bounds in both u and v. bothOutOfBoundsNdx = i; } } if (bothOutOfBoundsNdx != -1) { sampleRes[bothOutOfBoundsNdx] = 0.0; for (var i = 0; i < 4; i++) if (i != bothOutOfBoundsNdx) sampleRes[bothOutOfBoundsNdx] += sampleRes[i]; sampleRes[bothOutOfBoundsNdx] = sampleRes[bothOutOfBoundsNdx] * (1.0 / 3.0); } // Interpolate. var a = deMath.deFloatFrac(u - 0.5); var b = deMath.deFloatFrac(v - 0.5); return (sampleRes[0] * (1.0 - a) * (1.0 - b)) + (sampleRes[1] * (a) * (1.0 - b)) + (sampleRes[2] * (1.0 - a) * (b)) + (sampleRes[3] * (a) * (b)); }; /** * @param {tcuTexture.ConstPixelBufferAccess} faceAccess * @param {tcuTexture.Sampler} sampler * @param {number} s * @param {number} t * @param {number} depth * @return {Array} */ tcuTexture.sampleCubeSeamlessNearest = function(faceAccess, sampler, s, t, depth) { /** @type {tcuTexture.Sampler} */ var clampingSampler = sampler; clampingSampler.wrapS = tcuTexture.WrapMode.CLAMP_TO_EDGE; clampingSampler.wrapT = tcuTexture.WrapMode.CLAMP_TO_EDGE; return faceAccess.sample2D(clampingSampler, tcuTexture.FilterMode.NEAREST, s, t, depth); }; /** * @param {Array} coords Vec3 cube coordinates * @return {tcuTexture.CubeFaceCoords} */ tcuTexture.getCubeFaceCoords = function(coords) { var face = tcuTexture.selectCubeFace(coords); return new tcuTexture.CubeFaceCoords(face, tcuTexture.projectToFace(face, coords)); }; /** * @param {Array>} faces * @param {number} numLevels * @param {tcuTexture.CubeFace} face * @param {tcuTexture.Sampler} sampler * @param {number} ref * @param {number} s * @param {number} t * @param {number} lod * @return {number} */ tcuTexture.sampleLevelArrayCubeSeamlessCompare = function(faces, numLevels, face, sampler, ref, s, t, lod) { var magnified = lod <= sampler.lodThreshold; /** @type {tcuTexture.FilterMode}*/ var filterMode = magnified ? sampler.magFilter : sampler.minFilter; /** @type {Array} */ var faceAccesses = []; /** @type {tcuTexture.FilterMode} */ var levelFilter; switch (filterMode) { case tcuTexture.FilterMode.NEAREST: return tcuTexture.sampleCubeSeamlessNearestCompare(faces[face][0], sampler, ref, s, t); case tcuTexture.FilterMode.LINEAR: { faceAccesses = []; for (var i = 0; i < Object.keys(tcuTexture.CubeFace).length; i++) faceAccesses[i] = faces[i][0]; return tcuTexture.sampleCubeSeamlessLinearCompare(faceAccesses, face, sampler, ref, s, t); } case tcuTexture.FilterMode.NEAREST_MIPMAP_NEAREST: case tcuTexture.FilterMode.LINEAR_MIPMAP_NEAREST: { var maxLevel = numLevels - 1; var level = deMath.clamp(Math.ceil(lod + 0.5) - 1, 0, maxLevel); levelFilter = filterMode == tcuTexture.FilterMode.LINEAR_MIPMAP_NEAREST ? tcuTexture.FilterMode.LINEAR : tcuTexture.FilterMode.NEAREST; if (levelFilter == tcuTexture.FilterMode.NEAREST) return tcuTexture.sampleCubeSeamlessNearestCompare(faces[face][level], sampler, ref, s, t); else { DE_ASSERT(levelFilter == tcuTexture.FilterMode.LINEAR); faceAccesses = []; for (var i = 0; i < Object.keys(tcuTexture.CubeFace).length; i++) faceAccesses[i] = faces[i][level]; return tcuTexture.sampleCubeSeamlessLinearCompare(faceAccesses, face, sampler, ref, s, t); } } case tcuTexture.FilterMode.NEAREST_MIPMAP_LINEAR: case tcuTexture.FilterMode.LINEAR_MIPMAP_LINEAR: { var maxLevel = numLevels - 1; var level0 = deMath.clamp(Math.floor(lod), 0, maxLevel); var level1 = Math.min(maxLevel, level0 + 1); levelFilter = (filterMode == tcuTexture.FilterMode.LINEAR_MIPMAP_LINEAR) ? tcuTexture.FilterMode.LINEAR : tcuTexture.FilterMode.NEAREST; var f = deMath.deFloatFrac(lod); var t0; var t1; if (levelFilter == tcuTexture.FilterMode.NEAREST) { t0 = tcuTexture.sampleCubeSeamlessNearestCompare(faces[face][level0], sampler, ref, s, t); t1 = tcuTexture.sampleCubeSeamlessNearestCompare(faces[face][level1], sampler, ref, s, t); } else { DE_ASSERT(levelFilter == tcuTexture.FilterMode.LINEAR); /** @type {Array} */ var faceAccesses0 = []; /** @type {Array} */ var faceAccesses1 = []; for (var i = 0; i < Object.keys(tcuTexture.CubeFace).length; i++) { faceAccesses0[i] = faces[i][level0]; faceAccesses1[i] = faces[i][level1]; } t0 = tcuTexture.sampleCubeSeamlessLinearCompare(faceAccesses0, face, sampler, ref, s, t); t1 = tcuTexture.sampleCubeSeamlessLinearCompare(faceAccesses1, face, sampler, ref, s, t); } return t0 * (1.0 - f) + t1 * f; } default: throw new Error('Unsupported filter mode'); } }; /** * @constructor * @extends {tcuTexture.TextureLevelPyramid} * @param {tcuTexture.TextureFormat} format * @param {number} width * @param {number} height */ tcuTexture.Texture2D = function(format, width, height) { tcuTexture.TextureLevelPyramid.call(this, format, tcuTexture.computeMipPyramidLevels(width, height)); this.m_width = width; this.m_height = height; this.m_view = new tcuTexture.Texture2DView(this.getNumLevels(), this.getLevels()); }; tcuTexture.Texture2D.prototype = Object.create(tcuTexture.TextureLevelPyramid.prototype); tcuTexture.Texture2D.prototype.constructor = tcuTexture.Texture2D; tcuTexture.Texture2D.prototype.getWidth = function() { return this.m_width; }; tcuTexture.Texture2D.prototype.getHeight = function() { return this.m_height; }; /** @return {tcuTexture.Texture2DView} */ tcuTexture.Texture2D.prototype.getView = function() { return this.m_view; }; /** * @param {number} baseLevel * @param {number} maxLevel * @return {tcuTexture.Texture2DView} */ tcuTexture.Texture2D.prototype.getSubView = function(baseLevel, maxLevel) { return this.m_view.getSubView(baseLevel, maxLevel); }; /** * @param {number} levelNdx */ tcuTexture.Texture2D.prototype.allocLevel = function(levelNdx) { DE_ASSERT(deMath.deInBounds32(levelNdx, 0, this.getNumLevels())); var width = tcuTexture.getMipPyramidLevelSize(this.m_width, levelNdx); var height = tcuTexture.getMipPyramidLevelSize(this.m_height, levelNdx); tcuTexture.TextureLevelPyramid.prototype.allocLevel.call(this, levelNdx, width, height, 1); }; /** * @constructor * @extends {tcuTexture.TextureLevelPyramid} * @param {tcuTexture.TextureFormat} format * @param {number} width * @param {number} height * @param {number} numLayers */ tcuTexture.Texture2DArray = function(format, width, height, numLayers) { tcuTexture.TextureLevelPyramid.call(this, format, tcuTexture.computeMipPyramidLevels(width, height)); this.m_width = width; this.m_height = height; this.m_numLayers = numLayers; this.m_view = new tcuTexture.Texture2DArrayView(this.getNumLevels(), this.getLevels()); }; tcuTexture.Texture2DArray.prototype = Object.create(tcuTexture.TextureLevelPyramid.prototype); tcuTexture.Texture2DArray.prototype.constructor = tcuTexture.Texture2DArray; /** @return {tcuTexture.Texture2DArrayView} */ tcuTexture.Texture2DArray.prototype.getView = function() { return this.m_view; }; /** @return {number} */ tcuTexture.Texture2DArray.prototype.getWidth = function() { return this.m_width; }; /** @return {number} */ tcuTexture.Texture2DArray.prototype.getHeight = function() { return this.m_height; }; /** * @param {number} levelNdx */ tcuTexture.Texture2DArray.prototype.allocLevel = function(levelNdx) { DE_ASSERT(deMath.deInBounds32(levelNdx, 0, this.getNumLevels())); var width = tcuTexture.getMipPyramidLevelSize(this.m_width, levelNdx); var height = tcuTexture.getMipPyramidLevelSize(this.m_height, levelNdx); tcuTexture.TextureLevelPyramid.prototype.allocLevel.call(this, levelNdx, width, height, this.m_numLayers); }; /** * @constructor * @extends {tcuTexture.TextureLevelPyramid} * @param {tcuTexture.TextureFormat} format * @param {number} width * @param {number} height * @param {number} depth */ tcuTexture.Texture3D = function(format, width, height, depth) { tcuTexture.TextureLevelPyramid.call(this, format, tcuTexture.computeMipPyramidLevels(width, height, depth)); this.m_width = width; this.m_height = height; this.m_depth = depth; this.m_view = new tcuTexture.Texture3DView(this.getNumLevels(), this.getLevels()); }; tcuTexture.Texture3D.prototype = Object.create(tcuTexture.TextureLevelPyramid.prototype); tcuTexture.Texture3D.prototype.constructor = tcuTexture.Texture3D; tcuTexture.Texture3D.prototype.getWidth = function() { return this.m_width; }; tcuTexture.Texture3D.prototype.getHeight = function() { return this.m_height; }; tcuTexture.Texture3D.prototype.getDepth = function() { return this.m_depth; }; tcuTexture.Texture3D.prototype.getView = function() { return this.m_view; }; /** * @param {number} baseLevel * @param {number} maxLevel * @return {tcuTexture.Texture3DView} */ tcuTexture.Texture3D.prototype.getSubView = function(baseLevel, maxLevel) { return this.m_view.getSubView(baseLevel, maxLevel); }; /** * @param {number} levelNdx */ tcuTexture.Texture3D.prototype.allocLevel = function(levelNdx) { DE_ASSERT(deMath.deInBounds32(levelNdx, 0, this.getNumLevels())); var width = tcuTexture.getMipPyramidLevelSize(this.m_width, levelNdx); var height = tcuTexture.getMipPyramidLevelSize(this.m_height, levelNdx); var depth = tcuTexture.getMipPyramidLevelSize(this.m_depth, levelNdx); tcuTexture.TextureLevelPyramid.prototype.allocLevel.call(this, levelNdx, width, height, depth); }; /** * @constructor * @param {number} numLevels * @param {Array>} levels */ tcuTexture.TextureCubeView = function(numLevels, levels) { this.m_numLevels = numLevels; this.m_levels = levels; }; /** * @param {tcuTexture.Sampler} sampler * @param {Array} texCoord * @param {number=} lod * @return {Array} Pixel color */ tcuTexture.TextureCubeView.prototype.sample = function(sampler, texCoord, lod) { DE_ASSERT(sampler.compare == tcuTexture.CompareMode.COMPAREMODE_NONE); // Computes (face, s, t). var coords = tcuTexture.getCubeFaceCoords(texCoord); if (sampler.seamlessCubeMap) return tcuTexture.sampleLevelArrayCubeSeamless(this.m_levels, this.m_numLevels, coords.face, sampler, coords.s, coords.t, 0 /* depth */, lod); else return tcuTexture.sampleLevelArray2D(this.m_levels[coords.face], this.m_numLevels, sampler, coords.s, coords.t, 0 /* depth */, lod); }; /** * @param {tcuTexture.Sampler} sampler * @param {number} ref * @param {Array} texCoord * @param {number} lod * @return {number} */ tcuTexture.TextureCubeView.prototype.sampleCompare = function(sampler, ref, texCoord, lod) { DE_ASSERT(sampler.compare != tcuTexture.CompareMode.COMPAREMODE_NONE); // Computes (face, s, t). var coords = tcuTexture.getCubeFaceCoords(texCoord); if (sampler.seamlessCubeMap) return tcuTexture.sampleLevelArrayCubeSeamlessCompare(this.m_levels, this.m_numLevels, coords.face, sampler, ref, coords.s, coords.t, lod); else return tcuTexture.sampleLevelArray2DCompare(this.m_levels[coords.face], this.m_numLevels, sampler, ref, coords.s, coords.t, lod, [0, 0, 0]); }; /** * @param {tcuTexture.CubeFace} face * @return {Array} */ tcuTexture.TextureCubeView.prototype.getFaceLevels = function(face) { return this.m_levels[face]; }; /** @return {number} */ tcuTexture.TextureCubeView.prototype.getSize = function() { return this.m_numLevels > 0 ? this.m_levels[0][0].getWidth() : 0; }; /** @return {number} */ tcuTexture.TextureCubeView.prototype.getNumLevels = function() { return this.m_numLevels; }; /** * @param {number} ndx * @param {tcuTexture.CubeFace} face * @return {tcuTexture.ConstPixelBufferAccess} */ tcuTexture.TextureCubeView.prototype.getLevelFace = function(ndx, face) { assertMsgOptions(0 <= ndx && ndx < this.m_numLevels, '', false, true); return this.m_levels[face][ndx]; }; /** * @param {number} baseLevel * @param {number} maxLevel * @return {tcuTexture.TextureCubeView} */ tcuTexture.TextureCubeView.prototype.getSubView = function(baseLevel, maxLevel) { var clampedBase = deMath.clamp(baseLevel, 0, this.m_numLevels - 1); var clampedMax = deMath.clamp(maxLevel, clampedBase, this.m_numLevels - 1); var numLevels = clampedMax - clampedBase + 1; var levels = []; for (var face in tcuTexture.CubeFace) levels.push(this.getFaceLevels(tcuTexture.CubeFace[face]).slice(clampedBase, numLevels)); return new tcuTexture.TextureCubeView(numLevels, levels); }; /** * @constructor * @param {tcuTexture.TextureFormat} format * @param {number} size */ tcuTexture.TextureCube = function(format, size) { this.m_format = format; this.m_size = size; this.m_data = []; this.m_data.length = Object.keys(tcuTexture.CubeFace).length; this.m_access = []; this.m_access.length = Object.keys(tcuTexture.CubeFace).length; var numLevels = tcuTexture.computeMipPyramidLevels(this.m_size); var levels = []; levels.length = Object.keys(tcuTexture.CubeFace).length; for (var face in tcuTexture.CubeFace) { this.m_data[tcuTexture.CubeFace[face]] = []; for (var i = 0; i < numLevels; i++) this.m_data[tcuTexture.CubeFace[face]].push(new tcuTexture.DeqpArrayBuffer()); this.m_access[tcuTexture.CubeFace[face]] = []; this.m_access[tcuTexture.CubeFace[face]].length = numLevels; levels[tcuTexture.CubeFace[face]] = this.m_access[tcuTexture.CubeFace[face]]; } this.m_view = new tcuTexture.TextureCubeView(numLevels, levels); }; /** @return {tcuTexture.TextureFormat} */ tcuTexture.TextureCube.prototype.getFormat = function() { return this.m_format; }; /** @return {number} */ tcuTexture.TextureCube.prototype.getSize = function() { return this.m_size; }; /** @return {tcuTexture.TextureCubeView} */ tcuTexture.TextureCube.prototype.getView = function() { return this.m_view; }; /** * @param {number} ndx Level index * @param {tcuTexture.CubeFace} face * @return {tcuTexture.PixelBufferAccess} */ tcuTexture.TextureCube.prototype.getLevelFace = function(ndx, face) { return this.m_access[face][ndx]; }; /** @return {number} */ tcuTexture.TextureCube.prototype.getNumLevels = function() { return this.m_access[0].length; }; /** * @param {tcuTexture.Sampler} sampler * @param {Array} texCoord * @param {number} lod * @return {Array} Pixel color */ tcuTexture.TextureCube.prototype.sample = function(sampler, texCoord, lod) { return this.m_view.sample(sampler, texCoord, lod); }; /** * @param {number} baseLevel * @param {number} maxLevel * @return {tcuTexture.TextureCubeView} */ tcuTexture.TextureCube.prototype.getSubView = function(baseLevel, maxLevel) { return this.m_view.getSubView(baseLevel, maxLevel); }; /** * @param {tcuTexture.CubeFace} face * @param {number} levelNdx * @return {boolean} */ tcuTexture.TextureCube.prototype.isLevelEmpty = function(face, levelNdx) { return this.m_data[face][levelNdx].empty(); }; /** * @param {tcuTexture.CubeFace} face * @param {number} levelNdx */ tcuTexture.TextureCube.prototype.allocLevel = function(face, levelNdx) { /** @const */ var size = tcuTexture.getMipPyramidLevelSize(this.m_size, levelNdx); /** @const*/ var dataSize = this.m_format.getPixelSize() * size * size; DE_ASSERT(this.isLevelEmpty(face, levelNdx)); this.m_data[face][levelNdx].setStorage(dataSize); this.m_access[face][levelNdx] = new tcuTexture.PixelBufferAccess({ format: this.m_format, width: size, height: size, depth: 1, data: this.m_data[face][levelNdx].m_ptr }); }; /** * @param {Array} coords Cube coordinates * @return {tcuTexture.CubeFace} */ tcuTexture.selectCubeFace = function(coords) { var x = coords[0]; var y = coords[1]; var z = coords[2]; var ax = Math.abs(x); var ay = Math.abs(y); var az = Math.abs(z); if (ay < ax && az < ax) return x >= 0 ? tcuTexture.CubeFace.CUBEFACE_POSITIVE_X : tcuTexture.CubeFace.CUBEFACE_NEGATIVE_X; else if (ax < ay && az < ay) return y >= 0 ? tcuTexture.CubeFace.CUBEFACE_POSITIVE_Y : tcuTexture.CubeFace.CUBEFACE_NEGATIVE_Y; else if (ax < az && ay < az) return z >= 0 ? tcuTexture.CubeFace.CUBEFACE_POSITIVE_Z : tcuTexture.CubeFace.CUBEFACE_NEGATIVE_Z; else { // Some of the components are equal. Use tie-breaking rule. if (ax == ay) { if (ax < az) return z >= 0 ? tcuTexture.CubeFace.CUBEFACE_POSITIVE_Z : tcuTexture.CubeFace.CUBEFACE_NEGATIVE_Z; else return x >= 0 ? tcuTexture.CubeFace.CUBEFACE_POSITIVE_X : tcuTexture.CubeFace.CUBEFACE_NEGATIVE_X; } else if (ax == az) { if (az < ay) return y >= 0 ? tcuTexture.CubeFace.CUBEFACE_POSITIVE_Y : tcuTexture.CubeFace.CUBEFACE_NEGATIVE_Y; else return z >= 0 ? tcuTexture.CubeFace.CUBEFACE_POSITIVE_Z : tcuTexture.CubeFace.CUBEFACE_NEGATIVE_Z; } else if (ay == az) { if (ay < ax) return x >= 0 ? tcuTexture.CubeFace.CUBEFACE_POSITIVE_X : tcuTexture.CubeFace.CUBEFACE_NEGATIVE_X; else return y >= 0 ? tcuTexture.CubeFace.CUBEFACE_POSITIVE_Y : tcuTexture.CubeFace.CUBEFACE_NEGATIVE_Y; } else return x >= 0 ? tcuTexture.CubeFace.CUBEFACE_POSITIVE_X : tcuTexture.CubeFace.CUBEFACE_NEGATIVE_X; } }; /** * @param {tcuTexture.CubeFace} face * @param {Array} coord Cube coordinates (Vec3) * @return {Array} face coordinates (Vec2) */ tcuTexture.projectToFace = function(face, coord) { var rx = coord[0]; var ry = coord[1]; var rz = coord[2]; var sc = 0; var tc = 0; var ma = 0; switch (face) { case tcuTexture.CubeFace.CUBEFACE_NEGATIVE_X: sc = +rz; tc = -ry; ma = -rx; break; case tcuTexture.CubeFace.CUBEFACE_POSITIVE_X: sc = -rz; tc = -ry; ma = +rx; break; case tcuTexture.CubeFace.CUBEFACE_NEGATIVE_Y: sc = +rx; tc = -rz; ma = -ry; break; case tcuTexture.CubeFace.CUBEFACE_POSITIVE_Y: sc = +rx; tc = +rz; ma = +ry; break; case tcuTexture.CubeFace.CUBEFACE_NEGATIVE_Z: sc = -rx; tc = -ry; ma = -rz; break; case tcuTexture.CubeFace.CUBEFACE_POSITIVE_Z: sc = +rx; tc = -ry; ma = +rz; break; default: throw new Error('Unrecognized face ' + face); } // Compute s, t var s = ((sc / ma) + 1) / 2; var t = ((tc / ma) + 1) / 2; return [s, t]; }; /** * @constructor * @param {tcuTexture.TextureFormat} format * @param {number=} width * @param {number=} height * @param {number=} depth */ tcuTexture.TextureLevel = function(format, width, height, depth) { this.m_format = format; this.m_width = width || 0; this.m_height = height || 0; this.m_depth = depth === undefined ? 1 : depth; this.m_data = new tcuTexture.DeqpArrayBuffer(); this.setSize(this.m_width, this.m_height, this.m_depth); }; tcuTexture.TextureLevel.prototype.constructor = tcuTexture.TextureLevel; /** * @param {tcuTexture.TextureFormat} format * @param {number=} width * @param {number=} height * @param {number=} depth */ tcuTexture.TextureLevel.prototype.setStorage = function(format, width, height, depth) { this.m_format = format; this.setSize(width, height, depth); }; /** * @param {number=} width * @param {number=} height * @param {number=} depth */ tcuTexture.TextureLevel.prototype.setSize = function(width, height, depth) { var pixelSize = this.m_format.getPixelSize(); this.m_width = width || 0; this.m_height = height || 0; this.m_depth = depth === undefined ? 1 : depth; this.m_data.setStorage(this.m_width * this.m_height * this.m_depth * pixelSize); }; /** * @return {tcuTexture.PixelBufferAccess} */ tcuTexture.TextureLevel.prototype.getAccess = function() { return new tcuTexture.PixelBufferAccess({ format: this.m_format, width: this.m_width, height: this.m_height, depth: this.m_depth, data: this.m_data.m_ptr }); }; /** * @return {number} */ tcuTexture.TextureLevel.prototype.getWidth = function() { return this.m_width; }; /** * @return {number} */ tcuTexture.TextureLevel.prototype.getHeight = function() { return this.m_height; }; /** * @return {number} */ tcuTexture.TextureLevel.prototype.getDepth = function() { return this.m_depth; }; /** * @return {?tcuTexture.TextureFormat} */ tcuTexture.TextureLevel.prototype.getFormat = function() { return this.m_format; }; /** * Checks if origCoords.coords is in bounds defined by size; if not, return a CubeFaceCoords with face set to the appropriate neighboring face and coords transformed accordingly. * \note If both x and y in origCoords.coords are out of bounds, this returns with face CUBEFACE_LAST, signifying that there is no unique neighboring face. * @param {tcuTexture.CubeFaceCoords} origCoords * @param {number} size * @return {tcuTexture.CubeFaceCoords} */ tcuTexture.remapCubeEdgeCoords = function(origCoords, size) { var uInBounds = deMath.deInBounds32(origCoords.s, 0, size); var vInBounds = deMath.deInBounds32(origCoords.t, 0, size); if (uInBounds && vInBounds) return origCoords; if (!uInBounds && !vInBounds) return null; var coords = [ tcuTexture.wrap(tcuTexture.WrapMode.CLAMP_TO_BORDER, origCoords.s, size), tcuTexture.wrap(tcuTexture.WrapMode.CLAMP_TO_BORDER, origCoords.t, size)]; var canonizedCoords = []; // Map the uv coordinates to canonized 3d coordinates. switch (origCoords.face) { case tcuTexture.CubeFace.CUBEFACE_NEGATIVE_X: canonizedCoords = [0, size - 1 - coords[1], coords[0]]; break; case tcuTexture.CubeFace.CUBEFACE_POSITIVE_X: canonizedCoords = [size - 1, size - 1 - coords[1], size - 1 - coords[0]]; break; case tcuTexture.CubeFace.CUBEFACE_NEGATIVE_Y: canonizedCoords = [coords[0], 0, size - 1 - coords[1]]; break; case tcuTexture.CubeFace.CUBEFACE_POSITIVE_Y: canonizedCoords = [coords[0], size - 1, coords[1]]; break; case tcuTexture.CubeFace.CUBEFACE_NEGATIVE_Z: canonizedCoords = [size - 1 - coords[0], size - 1 - coords[1], 0]; break; case tcuTexture.CubeFace.CUBEFACE_POSITIVE_Z: canonizedCoords = [coords[0], size - 1 - coords[1], size - 1]; break; default: throw new Error('Invalid cube face:' + origCoords.face); } // Find an appropriate face to re-map the coordinates to. if (canonizedCoords[0] == -1) return new tcuTexture.CubeFaceCoords(tcuTexture.CubeFace.CUBEFACE_NEGATIVE_X, [canonizedCoords[2], size - 1 - canonizedCoords[1]]); if (canonizedCoords[0] == size) return new tcuTexture.CubeFaceCoords(tcuTexture.CubeFace.CUBEFACE_POSITIVE_X, [size - 1 - canonizedCoords[2], size - 1 - canonizedCoords[1]]); if (canonizedCoords[1] == -1) return new tcuTexture.CubeFaceCoords(tcuTexture.CubeFace.CUBEFACE_NEGATIVE_Y, [canonizedCoords[0], size - 1 - canonizedCoords[2]]); if (canonizedCoords[1] == size) return new tcuTexture.CubeFaceCoords(tcuTexture.CubeFace.CUBEFACE_POSITIVE_Y, [canonizedCoords[0], canonizedCoords[2]]); if (canonizedCoords[2] == -1) return new tcuTexture.CubeFaceCoords(tcuTexture.CubeFace.CUBEFACE_NEGATIVE_Z, [size - 1 - canonizedCoords[0], size - 1 - canonizedCoords[1]]); if (canonizedCoords[2] == size) return new tcuTexture.CubeFaceCoords(tcuTexture.CubeFace.CUBEFACE_POSITIVE_Z, [canonizedCoords[0], size - 1 - canonizedCoords[1]]); throw new Error('Cannot remap cube coordinates'); }; /** * @constructor * @param {tcuTexture.ConstPixelBufferAccess} src */ tcuTexture.RGBA8View = function(src) { this.src = src; this.data = new Uint8Array(src.getBuffer(), src.m_offset); this.stride = src.getRowPitch(); this.width = src.getWidth(); this.height = src.getHeight(); this.pixelSize = src.getFormat().getPixelSize(); }; /** * @return {tcuTexture.TextureFormat} */ tcuTexture.RGBA8View.prototype.getFormat = function() { return this.src.getFormat(); }; /** * Read a pixel * @param {number} x * @param {number} y * @param {number=} numChannels * @return {Array} */ tcuTexture.RGBA8View.prototype.read = function(x, y, numChannels) { numChannels = numChannels || 4; var offset = y * this.stride + x * this.pixelSize; /* Always return a vec4 */ var result = [0, 0, 0, 255]; for (var i = 0; i < numChannels; i++) result[i] = this.data[offset + i]; return result; }; /** * Read a pixel into a Uint32 * @param {number} x * @param {number} y * @return {number} */ tcuTexture.RGBA8View.prototype.readUintRGBA8 = function(x, y) { var offset = y * this.stride + x * this.pixelSize; return ((this.data[offset] & 0xff) << 24) + ((this.data[offset + 1] & 0xff) << 16) + ((this.data[offset + 2] & 0xff) << 8) + (this.data[offset + 3] & 0xff); }; /** * Write a pixel * @param {number} x * @param {number} y * @param {Array} value * @param {number=} numChannels */ tcuTexture.RGBA8View.prototype.write = function(x, y, value, numChannels) { numChannels = numChannels || 4; var offset = y * this.stride + x * this.pixelSize; for (var i = 0; i < numChannels; i++) this.data[offset + i] = value[i]; }; tcuTexture.RGBA8View.prototype.getWidth = function() { return this.width; }; tcuTexture.RGBA8View.prototype.getHeight = function() { return this.height; }; });