diff --git a/PVRTCEncoder/src/Pixel.h b/PVRTCEncoder/src/Pixel.h index 20619ae..20792fe 100644 --- a/PVRTCEncoder/src/Pixel.h +++ b/PVRTCEncoder/src/Pixel.h @@ -99,6 +99,12 @@ class Pixel { const uint8 &Component(uint32 idx) const { return m_Component[idx]; } uint8 &Component(uint32 idx) { return m_Component[idx]; } + void GetBitDepth(uint8 (&outDepth)[4]) const { + for(int i = 0; i < 4; i++) { + outDepth[i] = m_BitDepth[i]; + } + } + uint32 PackRGBA() const { uint32 r = 0; r |= m_A; diff --git a/PVRTCEncoder/test/BlockTest.cpp b/PVRTCEncoder/test/BlockTest.cpp new file mode 100644 index 0000000..6f4334e --- /dev/null +++ b/PVRTCEncoder/test/BlockTest.cpp @@ -0,0 +1,187 @@ +/* FasTC + * Copyright (c) 2013 University of North Carolina at Chapel Hill. + * All rights reserved. + * + * Permission to use, copy, modify, and distribute this software and its + * documentation for educational, research, and non-profit purposes, without + * fee, and without a written agreement is hereby granted, provided that the + * above copyright notice, this paragraph, and the following four paragraphs + * appear in all copies. + * + * Permission to incorporate this software into commercial products may be + * obtained by contacting the authors or the Office of Technology Development + * at the University of North Carolina at Chapel Hill . + * + * This software program and documentation are copyrighted by the University of + * North Carolina at Chapel Hill. The software program and documentation are + * supplied "as is," without any accompanying services from the University of + * North Carolina at Chapel Hill or the authors. The University of North + * Carolina at Chapel Hill and the authors do not warrant that the operation of + * the program will be uninterrupted or error-free. The end-user understands + * that the program was developed for research purposes and is advised not to + * rely exclusively on the program for any reason. + * + * IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE + * AUTHORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, + * OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF + * THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF NORTH CAROLINA + * AT CHAPEL HILL OR THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS SPECIFICALLY + * DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY + * STATUTORY WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE PROVIDED HEREUNDER IS ON + * AN "AS IS" BASIS, AND THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND + * THE AUTHORS HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, + * ENHANCEMENTS, OR MODIFICATIONS. + * + * Please send all BUG REPORTS to . + * + * The authors may be contacted via: + * + * Pavel Krajcevski + * Dept of Computer Science + * 201 S Columbia St + * Frederick P. Brooks, Jr. Computer Science Bldg + * Chapel Hill, NC 27599-3175 + * USA + * + * + */ + +#include "gtest/gtest.h" +#include "Block.h" + +TEST(Block, ConstructorFromBytes) { + const uint8 data[8] = { 0 }; + PVRTCC::Block b (data); + EXPECT_FALSE(b.GetModeBit()); +} + +TEST(Block, CopyConstructor) { + const uint8 data[8] = { 0, 0, 0, 0, 0xAA, 0xAA, 0xAA, 0xAA }; + PVRTCC::Block b (data); + PVRTCC::Block b2 (b); + for(int i = 0; i < 16; i++) { + EXPECT_EQ(b2.GetLerpValue(i), 0x2); + } +} + +TEST(Block, GetColorA) { + + // Test a 555 opaque block + uint8 data[8] = { 0x96, 0x8A, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 }; + PVRTCC::Block b(data); + PVRTCC::Pixel p = b.GetColorA(); + EXPECT_EQ(p.A(), 255); + EXPECT_EQ(p.R(), 5); + EXPECT_EQ(p.G(), 20); + EXPECT_EQ(p.B(), 10); + + uint8 depth[4]; + p.GetBitDepth(depth); + for(int i = 0; i < 4; i++) { + if(i == 0) { + EXPECT_EQ(depth[i], 0); + } else { + EXPECT_EQ(depth[i], 5); + } + } + + // Test a 3444 transparent block + data[0] = 0x16; + b = PVRTCC::Block(data); + p = b.GetColorA(); + EXPECT_EQ(p.A(), 1); + EXPECT_EQ(p.R(), 6); + EXPECT_EQ(p.G(), 8); + EXPECT_EQ(p.B(), 10); + + p.GetBitDepth(depth); + for(int i = 0; i < 4; i++) { + if(i == 0) { + EXPECT_EQ(depth[i], 3); + } else { + EXPECT_EQ(depth[i], 4); + } + } +} + +TEST(Block, GetColorB) { + + // Test a 554 opaque block + uint8 data[8] = { 0x0, 0x0, 0x96, 0x8A, 0x0, 0x0, 0x0, 0x0 }; + PVRTCC::Block b(data); + PVRTCC::Pixel p = b.GetColorB(); + EXPECT_EQ(p.A(), 255); + EXPECT_EQ(p.R(), 5); + EXPECT_EQ(p.G(), 20); + EXPECT_EQ(p.B(), 5); + + uint8 depth[4]; + p.GetBitDepth(depth); + for(int i = 0; i < 4; i++) { + if(i == 0) { + EXPECT_EQ(depth[i], 0); + } else if(i == 3) { + EXPECT_EQ(depth[i], 4); + } else { + EXPECT_EQ(depth[i], 5); + } + } + + // Test a 3443 transparent block + data[2] = 0x16; + b = PVRTCC::Block(data); + p = b.GetColorB(); + EXPECT_EQ(p.A(), 1); + EXPECT_EQ(p.R(), 6); + EXPECT_EQ(p.G(), 8); + EXPECT_EQ(p.B(), 5); + + p.GetBitDepth(depth); + for(int i = 0; i < 4; i++) { + if(i == 0 || i == 3) { + EXPECT_EQ(depth[i], 3); + } else { + EXPECT_EQ(depth[i], 4); + } + } +} + +TEST(Block, GetModeBit) { + const uint8 modeData[8] = { 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0 }; + const uint8 noModeData[8] = { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 }; + + PVRTCC::Block b (modeData); + EXPECT_TRUE(b.GetModeBit()); + + b = PVRTCC::Block(noModeData); + EXPECT_FALSE(b.GetModeBit()); +} + +TEST(Block, GetLerpValue) { + const uint8 data[8] = { 0x0, 0x0, 0x0, 0x0, 0x1B, 0xE4, 0x27, 0xD8 }; + PVRTCC::Block b(data); + + EXPECT_EQ(b.GetLerpValue(0), 0); + EXPECT_EQ(b.GetLerpValue(1), 2); + EXPECT_EQ(b.GetLerpValue(2), 1); + EXPECT_EQ(b.GetLerpValue(3), 3); + + EXPECT_EQ(b.GetLerpValue(4), 3); + EXPECT_EQ(b.GetLerpValue(5), 1); + EXPECT_EQ(b.GetLerpValue(6), 2); + EXPECT_EQ(b.GetLerpValue(7), 0); + + EXPECT_EQ(b.GetLerpValue(8), 0); + EXPECT_EQ(b.GetLerpValue(9), 1); + EXPECT_EQ(b.GetLerpValue(10), 2); + EXPECT_EQ(b.GetLerpValue(11), 3); + + EXPECT_EQ(b.GetLerpValue(12), 3); + EXPECT_EQ(b.GetLerpValue(13), 2); + EXPECT_EQ(b.GetLerpValue(14), 1); + EXPECT_EQ(b.GetLerpValue(15), 0); +} diff --git a/PVRTCEncoder/test/CMakeLists.txt b/PVRTCEncoder/test/CMakeLists.txt new file mode 100644 index 0000000..6e0e728 --- /dev/null +++ b/PVRTCEncoder/test/CMakeLists.txt @@ -0,0 +1,70 @@ +# FasTC +# Copyright (c) 2013 University of North Carolina at Chapel Hill. +# All rights reserved. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for educational, research, and non-profit purposes, without +# fee, and without a written agreement is hereby granted, provided that the +# above copyright notice, this paragraph, and the following four paragraphs +# appear in all copies. +# +# Permission to incorporate this software into commercial products may be +# obtained by contacting the authors or the Office of Technology Development +# at the University of North Carolina at Chapel Hill . +# +# This software program and documentation are copyrighted by the University of +# North Carolina at Chapel Hill. The software program and documentation are +# supplied "as is," without any accompanying services from the University of +# North Carolina at Chapel Hill or the authors. The University of North +# Carolina at Chapel Hill and the authors do not warrant that the operation of +# the program will be uninterrupted or error-free. The end-user understands +# that the program was developed for research purposes and is advised not to +# rely exclusively on the program for any reason. +# +# IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE +# AUTHORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, +# OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF +# THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF NORTH CAROLINA +# AT CHAPEL HILL OR THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH +# DAMAGE. +# +# THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS SPECIFICALLY +# DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY +# STATUTORY WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE PROVIDED HEREUNDER IS ON +# AN "AS IS" BASIS, AND THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND +# THE AUTHORS HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, +# ENHANCEMENTS, OR MODIFICATIONS. +# +# Please send all BUG REPORTS to . +# +# The authors may be contacted via: +# +# Pavel Krajcevski +# Dept of Computer Science +# 201 S Columbia St +# Frederick P. Brooks, Jr. Computer Science Bldg +# Chapel Hill, NC 27599-3175 +# USA +# +# + +INCLUDE_DIRECTORIES(${FasTC_SOURCE_DIR}/Core/include) + +INCLUDE_DIRECTORIES(${FasTC_SOURCE_DIR}/PVRTCEncoder/include) +INCLUDE_DIRECTORIES(${FasTC_SOURCE_DIR}/PVRTCEncoder/src) + +INCLUDE_DIRECTORIES(${FasTC_SOURCE_DIR}/GTest/include) + +SET(TESTS + Block +) + +FOREACH(TEST ${TESTS}) + SET(TEST ${TEST}Test) + ADD_EXECUTABLE(${TEST} ${TEST}.cpp) + TARGET_LINK_LIBRARIES(${TEST} PVRTCEncoder) + TARGET_LINK_LIBRARIES(${TEST} gtest_main) + ADD_TEST(${TEST} ${TEST}) +ENDFOREACH() +