13c827367444ee418f129b2c238299f49d3264554Jarkko Poyry/*------------------------------------------------------------------------- 23c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * drawElements Quality Program Tester Core 33c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * ---------------------------------------- 43c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 53c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * Copyright 2014 The Android Open Source Project 63c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 73c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * Licensed under the Apache License, Version 2.0 (the "License"); 83c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * you may not use this file except in compliance with the License. 93c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * You may obtain a copy of the License at 103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * http://www.apache.org/licenses/LICENSE-2.0 123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * Unless required by applicable law or agreed to in writing, software 143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * distributed under the License is distributed on an "AS IS" BASIS, 153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * See the License for the specific language governing permissions and 173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * limitations under the License. 183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry *//*! 203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * \file 213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * \brief RGBA8888 color type. 223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry *//*--------------------------------------------------------------------*/ 233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuRGBA.hpp" 253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuVector.hpp" 26fb4796914bfb9f7bef4d75312b9bce592e169b4bJarkko Pöyry#include "tcuTextureUtil.hpp" 273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 283c827367444ee418f129b2c238299f49d3264554Jarkko Poyrynamespace tcu 293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 313c827367444ee418f129b2c238299f49d3264554Jarkko PoyryRGBA::RGBA (const Vec4& v) 323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 33fb4796914bfb9f7bef4d75312b9bce592e169b4bJarkko Pöyry const deUint32 r = (deUint32)floatToU8(v.x()); 34fb4796914bfb9f7bef4d75312b9bce592e169b4bJarkko Pöyry const deUint32 g = (deUint32)floatToU8(v.y()); 35fb4796914bfb9f7bef4d75312b9bce592e169b4bJarkko Pöyry const deUint32 b = (deUint32)floatToU8(v.z()); 36fb4796914bfb9f7bef4d75312b9bce592e169b4bJarkko Pöyry const deUint32 a = (deUint32)floatToU8(v.w()); 373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_value = (a << ALPHA_SHIFT) | (r << RED_SHIFT) | (g << GREEN_SHIFT) | (b << BLUE_SHIFT); 383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 403c827367444ee418f129b2c238299f49d3264554Jarkko PoyryVec4 RGBA::toVec (void) const 413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return Vec4(float(getRed()) / 255.0f, 433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float(getGreen()) / 255.0f, 443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float(getBlue()) / 255.0f, 453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float(getAlpha()) / 255.0f); 463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 483c827367444ee418f129b2c238299f49d3264554Jarkko PoyryIVec4 RGBA::toIVec (void) const 493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return IVec4(getRed(), getGreen(), getBlue(), getAlpha()); 513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 533c827367444ee418f129b2c238299f49d3264554Jarkko PoyryRGBA computeAbsDiffMasked (RGBA a, RGBA b, deUint32 cmpMask) 543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry deUint32 aPacked = a.getPacked(); 563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry deUint32 bPacked = b.getPacked(); 573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry deUint8 rDiff = 0; 583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry deUint8 gDiff = 0; 593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry deUint8 bDiff = 0; 603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry deUint8 aDiff = 0; 613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (cmpMask & RGBA::RED_MASK) 633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int ra = (aPacked >> RGBA::RED_SHIFT) & 0xFF; 653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int rb = (bPacked >> RGBA::RED_SHIFT) & 0xFF; 663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry rDiff = (deUint8)deAbs32(ra - rb); 683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (cmpMask & RGBA::GREEN_MASK) 713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int ga = (aPacked >> RGBA::GREEN_SHIFT) & 0xFF; 733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int gb = (bPacked >> RGBA::GREEN_SHIFT) & 0xFF; 743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry gDiff = (deUint8)deAbs32(ga - gb); 763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (cmpMask & RGBA::BLUE_MASK) 793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int ba = (aPacked >> RGBA::BLUE_SHIFT) & 0xFF; 813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int bb = (bPacked >> RGBA::BLUE_SHIFT) & 0xFF; 823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bDiff = (deUint8)deAbs32(ba - bb); 843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (cmpMask & RGBA::ALPHA_MASK) 873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int aa = (aPacked >> RGBA::ALPHA_SHIFT) & 0xFF; 893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int ab = (bPacked >> RGBA::ALPHA_SHIFT) & 0xFF; 903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry aDiff = (deUint8)deAbs32(aa - ab); 923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return RGBA(rDiff,gDiff,bDiff,aDiff); 953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 973c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool compareThresholdMasked (RGBA a, RGBA b, RGBA threshold, deUint32 cmpMask) 983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return computeAbsDiffMasked(a, b, cmpMask).isBelowThreshold(threshold); 1003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // tcu 103