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      1 /*-------------------------------------------------------------------------
      2  * drawElements Internal Test Module
      3  * ---------------------------------
      4  *
      5  * Copyright 2016 The Android Open Source Project
      6  *
      7  * Licensed under the Apache License, Version 2.0 (the "License");
      8  * you may not use this file except in compliance with the License.
      9  * You may obtain a copy of the License at
     10  *
     11  *      http://www.apache.org/licenses/LICENSE-2.0
     12  *
     13  * Unless required by applicable law or agreed to in writing, software
     14  * distributed under the License is distributed on an "AS IS" BASIS,
     15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     16  * See the License for the specific language governing permissions and
     17  * limitations under the License.
     18  *
     19  *//*!
     20  * \file
     21  * \brief ASTC tests.
     22  *//*--------------------------------------------------------------------*/
     23 
     24 #include "ditAstcTests.hpp"
     25 
     26 #include "tcuCompressedTexture.hpp"
     27 #include "tcuAstcUtil.hpp"
     28 
     29 #include "deUniquePtr.hpp"
     30 #include "deStringUtil.hpp"
     31 
     32 namespace dit
     33 {
     34 
     35 using std::string;
     36 using std::vector;
     37 using namespace tcu;
     38 
     39 namespace
     40 {
     41 
     42 class AstcCase : public tcu::TestCase
     43 {
     44 public:
     45 								AstcCase		(tcu::TestContext& testCtx, CompressedTexFormat format);
     46 
     47 	IterateResult				iterate			(void);
     48 
     49 private:
     50 	const CompressedTexFormat	m_format;
     51 };
     52 
     53 static const string getASTCFormatShortName (CompressedTexFormat format)
     54 {
     55 	DE_ASSERT(isAstcFormat(format));
     56 	const IVec3 blockSize = getBlockPixelSize(format);
     57 	DE_ASSERT(blockSize.z() == 1);
     58 
     59 	return de::toString(blockSize.x()) + "x" + de::toString(blockSize.y()) + (tcu::isAstcSRGBFormat(format) ? "_srgb" : "");
     60 }
     61 
     62 AstcCase::AstcCase (tcu::TestContext& testCtx, CompressedTexFormat format)
     63 	: tcu::TestCase	(testCtx, getASTCFormatShortName(format).c_str(), "")
     64 	, m_format		(format)
     65 {
     66 }
     67 
     68 void testDecompress (CompressedTexFormat format, size_t numBlocks, const deUint8* data)
     69 {
     70 	const IVec3			blockPixelSize		= getBlockPixelSize(format);
     71 
     72 	for (int astcModeNdx = 0; astcModeNdx < TexDecompressionParams::ASTCMODE_LAST; astcModeNdx++)
     73 	{
     74 		const TexDecompressionParams	decompressionParams		((TexDecompressionParams::AstcMode)astcModeNdx);
     75 		const TextureFormat				uncompressedFormat		= getUncompressedFormat(format);
     76 		TextureLevel					texture					(uncompressedFormat, blockPixelSize.x()*(int)numBlocks, blockPixelSize.y());
     77 
     78 		decompress(texture.getAccess(), format, data, decompressionParams);
     79 	}
     80 }
     81 
     82 void verifyBlocksValid (CompressedTexFormat format, TexDecompressionParams::AstcMode mode, size_t numBlocks, const deUint8* data)
     83 {
     84 	for (size_t blockNdx = 0; blockNdx < numBlocks; blockNdx++)
     85 		TCU_CHECK(astc::isValidBlock(data + blockNdx*astc::BLOCK_SIZE_BYTES, format, mode));
     86 }
     87 
     88 inline size_t getNumBlocksFromBytes (size_t numBytes)
     89 {
     90 	TCU_CHECK(numBytes % astc::BLOCK_SIZE_BYTES == 0);
     91 	return (numBytes / astc::BLOCK_SIZE_BYTES);
     92 }
     93 
     94 AstcCase::IterateResult AstcCase::iterate (void)
     95 {
     96 	vector<deUint8> generatedData;
     97 
     98 	// Verify that can generate & decode data with all BlockTestType's
     99 	for (int blockTestTypeNdx = 0; blockTestTypeNdx < astc::BLOCK_TEST_TYPE_LAST; blockTestTypeNdx++)
    100 	{
    101 		const astc::BlockTestType	blockTestType	= (const astc::BlockTestType)blockTestTypeNdx;
    102 
    103 		if (astc::isBlockTestTypeHDROnly(blockTestType) && isAstcSRGBFormat(m_format))
    104 			continue;
    105 
    106 		generatedData.clear();
    107 		astc::generateBlockCaseTestData(generatedData, m_format, blockTestType);
    108 
    109 		testDecompress(m_format, getNumBlocksFromBytes(generatedData.size()), &generatedData[0]);
    110 
    111 		// All but random case should generate only valid blocks
    112 		if (blockTestType != astc::BLOCK_TEST_TYPE_RANDOM)
    113 		{
    114 			verifyBlocksValid(m_format, TexDecompressionParams::ASTCMODE_HDR, getNumBlocksFromBytes(generatedData.size()), &generatedData[0]);
    115 
    116 			// \note CEMS generates HDR blocks as well
    117 			if (!astc::isBlockTestTypeHDROnly(blockTestType) &&
    118 				(blockTestType != astc::BLOCK_TEST_TYPE_CEMS))
    119 				verifyBlocksValid(m_format, TexDecompressionParams::ASTCMODE_LDR, getNumBlocksFromBytes(generatedData.size()), &generatedData[0]);
    120 		}
    121 	}
    122 
    123 	// Verify generating void extent blocks (format-independent)
    124 	{
    125 		const size_t		numBlocks		= 1024;
    126 
    127 		generatedData.resize(numBlocks*astc::BLOCK_SIZE_BYTES);
    128 		astc::generateDummyVoidExtentBlocks(&generatedData[0], numBlocks);
    129 
    130 		testDecompress(m_format, numBlocks, &generatedData[0]);
    131 
    132 		verifyBlocksValid(m_format, TexDecompressionParams::ASTCMODE_LDR, numBlocks, &generatedData[0]);
    133 		verifyBlocksValid(m_format, TexDecompressionParams::ASTCMODE_HDR, numBlocks, &generatedData[0]);
    134 	}
    135 
    136 	// Verify generating dummy normal blocks
    137 	{
    138 		const size_t		numBlocks			= 1024;
    139 		const IVec3			blockPixelSize		= getBlockPixelSize(m_format);
    140 
    141 		generatedData.resize(numBlocks*astc::BLOCK_SIZE_BYTES);
    142 		astc::generateDummyNormalBlocks(&generatedData[0], numBlocks, blockPixelSize.x(), blockPixelSize.y());
    143 
    144 		testDecompress(m_format, numBlocks, &generatedData[0]);
    145 
    146 		verifyBlocksValid(m_format, TexDecompressionParams::ASTCMODE_LDR, numBlocks, &generatedData[0]);
    147 		verifyBlocksValid(m_format, TexDecompressionParams::ASTCMODE_HDR, numBlocks, &generatedData[0]);
    148 	}
    149 
    150 	// Verify generating random valid blocks
    151 	for (int astcModeNdx = 0; astcModeNdx < TexDecompressionParams::ASTCMODE_LAST; astcModeNdx++)
    152 	{
    153 		const TexDecompressionParams::AstcMode	mode		= (TexDecompressionParams::AstcMode)astcModeNdx;
    154 		const size_t							numBlocks	= 1024;
    155 
    156 		generatedData.resize(numBlocks*astc::BLOCK_SIZE_BYTES);
    157 		astc::generateRandomValidBlocks(&generatedData[0], numBlocks, m_format, mode, deInt32Hash(m_format) ^ deInt32Hash(mode));
    158 
    159 		testDecompress(m_format, numBlocks, &generatedData[0]);
    160 
    161 		verifyBlocksValid(m_format, mode, numBlocks, &generatedData[0]);
    162 	}
    163 
    164 	m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "All checks passed");
    165 	return STOP;
    166 }
    167 
    168 } // anonymous
    169 
    170 tcu::TestCaseGroup* createAstcTests (tcu::TestContext& testCtx)
    171 {
    172 	de::MovePtr<tcu::TestCaseGroup>	astcTests	(new tcu::TestCaseGroup(testCtx, "astc", "Tests for ASTC Utilities"));
    173 
    174 	for (int formatNdx = 0; formatNdx < COMPRESSEDTEXFORMAT_LAST; formatNdx++)
    175 	{
    176 		const CompressedTexFormat	format	= (CompressedTexFormat)formatNdx;
    177 
    178 		if (isAstcFormat(format))
    179 			astcTests->addChild(new AstcCase(testCtx, format));
    180 	}
    181 
    182 	return astcTests.release();
    183 }
    184 
    185 } // dit
    186