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/*-------------------------------------------------------------------------
* drawElements Internal Test Module
* ---------------------------------
*
* Copyright 2016 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.
*
*//*!
* \file
* \brief ASTC tests.
*//*--------------------------------------------------------------------*/
#include "ditAstcTests.hpp"
#include "tcuCompressedTexture.hpp"
#include "tcuAstcUtil.hpp"
#include "deUniquePtr.hpp"
#include "deStringUtil.hpp"
namespace dit
{
using std::string;
using std::vector;
using namespace tcu;
namespace
{
class AstcCase : public tcu::TestCase
{
public:
AstcCase (tcu::TestContext& testCtx, CompressedTexFormat format);
IterateResult iterate (void);
private:
const CompressedTexFormat m_format;
};
static const string getASTCFormatShortName (CompressedTexFormat format)
{
DE_ASSERT(isAstcFormat(format));
const IVec3 blockSize = getBlockPixelSize(format);
DE_ASSERT(blockSize.z() == 1);
return de::toString(blockSize.x()) + "x" + de::toString(blockSize.y()) + (tcu::isAstcSRGBFormat(format) ? "_srgb" : "");
}
AstcCase::AstcCase (tcu::TestContext& testCtx, CompressedTexFormat format)
: tcu::TestCase (testCtx, getASTCFormatShortName(format).c_str(), "")
, m_format (format)
{
}
void testDecompress (CompressedTexFormat format, TexDecompressionParams::AstcMode mode, size_t numBlocks, const deUint8* data)
{
const IVec3 blockPixelSize = getBlockPixelSize(format);
const TexDecompressionParams decompressionParams (mode);
const TextureFormat uncompressedFormat = getUncompressedFormat(format);
TextureLevel texture (uncompressedFormat, blockPixelSize.x()*(int)numBlocks, blockPixelSize.y());
decompress(texture.getAccess(), format, data, decompressionParams);
}
void testDecompress (CompressedTexFormat format, size_t numBlocks, const deUint8* data)
{
testDecompress(format, TexDecompressionParams::ASTCMODE_LDR, numBlocks, data);
if (!isAstcSRGBFormat(format))
testDecompress(format, TexDecompressionParams::ASTCMODE_HDR, numBlocks, data);
}
void verifyBlocksValid (CompressedTexFormat format, TexDecompressionParams::AstcMode mode, size_t numBlocks, const deUint8* data)
{
for (size_t blockNdx = 0; blockNdx < numBlocks; blockNdx++)
{
if (!astc::isValidBlock(data + blockNdx*astc::BLOCK_SIZE_BYTES, format, mode))
TCU_FAIL("Invalid ASTC block was generated");
}
}
inline size_t getNumBlocksFromBytes (size_t numBytes)
{
TCU_CHECK(numBytes % astc::BLOCK_SIZE_BYTES == 0);
return (numBytes / astc::BLOCK_SIZE_BYTES);
}
AstcCase::IterateResult AstcCase::iterate (void)
{
vector<deUint8> generatedData;
// Verify that can generate & decode data with all BlockTestType's
for (int blockTestTypeNdx = 0; blockTestTypeNdx < astc::BLOCK_TEST_TYPE_LAST; blockTestTypeNdx++)
{
const astc::BlockTestType blockTestType = (astc::BlockTestType)blockTestTypeNdx;
if (astc::isBlockTestTypeHDROnly(blockTestType) && isAstcSRGBFormat(m_format))
continue;
generatedData.clear();
astc::generateBlockCaseTestData(generatedData, m_format, blockTestType);
testDecompress(m_format, getNumBlocksFromBytes(generatedData.size()), &generatedData[0]);
// All but random case should generate only valid blocks
if (blockTestType != astc::BLOCK_TEST_TYPE_RANDOM)
{
// \note CEMS generates HDR blocks as well
if (!astc::isBlockTestTypeHDROnly(blockTestType) &&
(blockTestType != astc::BLOCK_TEST_TYPE_CEMS))
verifyBlocksValid(m_format, TexDecompressionParams::ASTCMODE_LDR, getNumBlocksFromBytes(generatedData.size()), &generatedData[0]);
if (!isAstcSRGBFormat(m_format))
verifyBlocksValid(m_format, TexDecompressionParams::ASTCMODE_HDR, getNumBlocksFromBytes(generatedData.size()), &generatedData[0]);
}
}
// Verify generating void extent blocks (format-independent)
{
const size_t numBlocks = 1024;
generatedData.resize(numBlocks*astc::BLOCK_SIZE_BYTES);
astc::generateDummyVoidExtentBlocks(&generatedData[0], numBlocks);
testDecompress(m_format, numBlocks, &generatedData[0]);
verifyBlocksValid(m_format, TexDecompressionParams::ASTCMODE_LDR, numBlocks, &generatedData[0]);
if (!isAstcSRGBFormat(m_format))
verifyBlocksValid(m_format, TexDecompressionParams::ASTCMODE_HDR, numBlocks, &generatedData[0]);
}
// Verify generating dummy normal blocks
{
const size_t numBlocks = 1024;
const IVec3 blockPixelSize = getBlockPixelSize(m_format);
generatedData.resize(numBlocks*astc::BLOCK_SIZE_BYTES);
astc::generateDummyNormalBlocks(&generatedData[0], numBlocks, blockPixelSize.x(), blockPixelSize.y());
testDecompress(m_format, numBlocks, &generatedData[0]);
verifyBlocksValid(m_format, TexDecompressionParams::ASTCMODE_LDR, numBlocks, &generatedData[0]);
if (!isAstcSRGBFormat(m_format))
verifyBlocksValid(m_format, TexDecompressionParams::ASTCMODE_HDR, numBlocks, &generatedData[0]);
}
// Verify generating random valid blocks
for (int astcModeNdx = 0; astcModeNdx < TexDecompressionParams::ASTCMODE_LAST; astcModeNdx++)
{
const TexDecompressionParams::AstcMode mode = (TexDecompressionParams::AstcMode)astcModeNdx;
const size_t numBlocks = 1024;
if (mode == tcu::TexDecompressionParams::ASTCMODE_HDR && isAstcFormat(m_format))
continue; // sRGB is not supported in HDR mode
generatedData.resize(numBlocks*astc::BLOCK_SIZE_BYTES);
astc::generateRandomValidBlocks(&generatedData[0], numBlocks, m_format, mode, deInt32Hash(m_format) ^ deInt32Hash(mode));
testDecompress(m_format, numBlocks, &generatedData[0]);
verifyBlocksValid(m_format, mode, numBlocks, &generatedData[0]);
}
m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "All checks passed");
return STOP;
}
} // anonymous
tcu::TestCaseGroup* createAstcTests (tcu::TestContext& testCtx)
{
de::MovePtr<tcu::TestCaseGroup> astcTests (new tcu::TestCaseGroup(testCtx, "astc", "Tests for ASTC Utilities"));
for (int formatNdx = 0; formatNdx < COMPRESSEDTEXFORMAT_LAST; formatNdx++)
{
const CompressedTexFormat format = (CompressedTexFormat)formatNdx;
if (isAstcFormat(format))
astcTests->addChild(new AstcCase(testCtx, format));
}
return astcTests.release();
}
} // dit