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			14 KiB
		
	
	
	
		
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			347 lines
		
	
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
|   | /*
 | ||
|  | Convection Texture Tools | ||
|  | Copyright (c) 2018-2019 Eric Lasota | ||
|  | 
 | ||
|  | Permission is hereby granted, free of charge, to any person obtaining | ||
|  | a copy of this software and associated documentation files (the | ||
|  | "Software"), to deal in the Software without restriction, including | ||
|  | without limitation the rights to use, copy, modify, merge, publish, | ||
|  | distribute, sublicense, and/or sell copies of the Software, and to | ||
|  | permit persons to whom the Software is furnished to do so, subject | ||
|  | to the following conditions: | ||
|  | 
 | ||
|  | The above copyright notice and this permission notice shall be included | ||
|  | in all copies or substantial portions of the Software. | ||
|  | 
 | ||
|  | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | ||
|  | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
|  | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | ||
|  | IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY | ||
|  | CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | ||
|  | TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | ||
|  | SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
|  | */ | ||
|  | #include "ConvectionKernels_Config.h"
 | ||
|  | 
 | ||
|  | #if !defined(CVTT_SINGLE_FILE) || defined(CVTT_SINGLE_FILE_IMPL)
 | ||
|  | 
 | ||
|  | #include <stdint.h>
 | ||
|  | #include "ConvectionKernels.h"
 | ||
|  | #include "ConvectionKernels_Util.h"
 | ||
|  | #include "ConvectionKernels_BC67.h"
 | ||
|  | #include "ConvectionKernels_ETC.h"
 | ||
|  | #include "ConvectionKernels_S3TC.h"
 | ||
|  | 
 | ||
|  | #include <assert.h>
 | ||
|  | 
 | ||
|  | namespace cvtt | ||
|  | { | ||
|  |     namespace Kernels | ||
|  |     { | ||
|  |         void EncodeBC7(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options, const BC7EncodingPlan &encodingPlan) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             float channelWeights[4]; | ||
|  |             Util::FillWeights(options, channelWeights); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) | ||
|  |             { | ||
|  |                 Internal::BC7Computer::Pack(options.flags, pBlocks + blockBase, pBC, channelWeights, encodingPlan, options.refineRoundsBC7); | ||
|  |                 pBC += ParallelMath::ParallelSize * 16; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void EncodeBC6HU(uint8_t *pBC, const PixelBlockF16 *pBlocks, const cvtt::Options &options) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             float channelWeights[4]; | ||
|  |             Util::FillWeights(options, channelWeights); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) | ||
|  |             { | ||
|  |                 Internal::BC6HComputer::Pack(options.flags, pBlocks + blockBase, pBC, channelWeights, false, options.seedPoints, options.refineRoundsBC6H); | ||
|  |                 pBC += ParallelMath::ParallelSize * 16; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void EncodeBC6HS(uint8_t *pBC, const PixelBlockF16 *pBlocks, const cvtt::Options &options) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             float channelWeights[4]; | ||
|  |             Util::FillWeights(options, channelWeights); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) | ||
|  |             { | ||
|  |                 Internal::BC6HComputer::Pack(options.flags, pBlocks + blockBase, pBC, channelWeights, true, options.seedPoints, options.refineRoundsBC6H); | ||
|  |                 pBC += ParallelMath::ParallelSize * 16; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void EncodeBC1(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             float channelWeights[4]; | ||
|  |             Util::FillWeights(options, channelWeights); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) | ||
|  |             { | ||
|  |                 Internal::S3TCComputer::PackRGB(options.flags, pBlocks + blockBase, pBC, 8, channelWeights, true, options.threshold, (options.flags & Flags::S3TC_Exhaustive) != 0, options.seedPoints, options.refineRoundsS3TC); | ||
|  |                 pBC += ParallelMath::ParallelSize * 8; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void EncodeBC2(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             float channelWeights[4]; | ||
|  |             Util::FillWeights(options, channelWeights); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) | ||
|  |             { | ||
|  |                 Internal::S3TCComputer::PackRGB(options.flags, pBlocks + blockBase, pBC + 8, 16, channelWeights, false, 1.0f, (options.flags & Flags::S3TC_Exhaustive) != 0, options.seedPoints, options.refineRoundsS3TC); | ||
|  |                 Internal::S3TCComputer::PackExplicitAlpha(options.flags, pBlocks + blockBase, 3, pBC, 16); | ||
|  |                 pBC += ParallelMath::ParallelSize * 16; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void EncodeBC3(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             float channelWeights[4]; | ||
|  |             Util::FillWeights(options, channelWeights); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) | ||
|  |             { | ||
|  |                 Internal::S3TCComputer::PackRGB(options.flags, pBlocks + blockBase, pBC + 8, 16, channelWeights, false, 1.0f, (options.flags & Flags::S3TC_Exhaustive) != 0, options.seedPoints, options.refineRoundsS3TC); | ||
|  |                 Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, pBlocks + blockBase, 3, pBC, 16, false, options.seedPoints, options.refineRoundsIIC); | ||
|  |                 pBC += ParallelMath::ParallelSize * 16; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void EncodeBC4U(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             float channelWeights[4]; | ||
|  |             Util::FillWeights(options, channelWeights); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) | ||
|  |             { | ||
|  |                 Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, pBlocks + blockBase, 0, pBC, 8, false, options.seedPoints, options.refineRoundsIIC); | ||
|  |                 pBC += ParallelMath::ParallelSize * 8; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void EncodeBC4S(uint8_t *pBC, const PixelBlockS8 *pBlocks, const Options &options) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             float channelWeights[4]; | ||
|  |             Util::FillWeights(options, channelWeights); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) | ||
|  |             { | ||
|  |                 PixelBlockU8 inputBlocks[ParallelMath::ParallelSize]; | ||
|  |                 Util::BiasSignedInput(inputBlocks, pBlocks + blockBase); | ||
|  | 
 | ||
|  |                 Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, inputBlocks, 0, pBC, 8, true, options.seedPoints, options.refineRoundsIIC); | ||
|  |                 pBC += ParallelMath::ParallelSize * 8; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void EncodeBC5U(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             float channelWeights[4]; | ||
|  |             Util::FillWeights(options, channelWeights); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) | ||
|  |             { | ||
|  |                 Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, pBlocks + blockBase, 0, pBC, 16, false, options.seedPoints, options.refineRoundsIIC); | ||
|  |                 Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, pBlocks + blockBase, 1, pBC + 8, 16, false, options.seedPoints, options.refineRoundsIIC); | ||
|  |                 pBC += ParallelMath::ParallelSize * 16; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void EncodeBC5S(uint8_t *pBC, const PixelBlockS8 *pBlocks, const Options &options) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             float channelWeights[4]; | ||
|  |             Util::FillWeights(options, channelWeights); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) | ||
|  |             { | ||
|  |                 PixelBlockU8 inputBlocks[ParallelMath::ParallelSize]; | ||
|  |                 Util::BiasSignedInput(inputBlocks, pBlocks + blockBase); | ||
|  | 
 | ||
|  |                 Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, inputBlocks, 0, pBC, 16, true, options.seedPoints, options.refineRoundsIIC); | ||
|  |                 Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, inputBlocks, 1, pBC + 8, 16, true, options.seedPoints, options.refineRoundsIIC); | ||
|  |                 pBC += ParallelMath::ParallelSize * 16; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void EncodeETC1(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options, cvtt::ETC1CompressionData *compressionData) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             float channelWeights[4]; | ||
|  |             Util::FillWeights(options, channelWeights); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) | ||
|  |             { | ||
|  |                 Internal::ETCComputer::CompressETC1Block(pBC, pBlocks + blockBase, compressionData, options); | ||
|  |                 pBC += ParallelMath::ParallelSize * 8; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void EncodeETC2(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options, cvtt::ETC2CompressionData *compressionData) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             float channelWeights[4]; | ||
|  |             Util::FillWeights(options, channelWeights); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) | ||
|  |             { | ||
|  |                 Internal::ETCComputer::CompressETC2Block(pBC, pBlocks + blockBase, compressionData, options, false); | ||
|  |                 pBC += ParallelMath::ParallelSize * 8; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void EncodeETC2PunchthroughAlpha(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options, cvtt::ETC2CompressionData *compressionData) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             float channelWeights[4]; | ||
|  |             Util::FillWeights(options, channelWeights); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) | ||
|  |             { | ||
|  |                 Internal::ETCComputer::CompressETC2Block(pBC, pBlocks + blockBase, compressionData, options, true); | ||
|  |                 pBC += ParallelMath::ParallelSize * 8; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void EncodeETC2Alpha(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) | ||
|  |             { | ||
|  |                 Internal::ETCComputer::CompressETC2AlphaBlock(pBC, pBlocks + blockBase, options); | ||
|  |                 pBC += ParallelMath::ParallelSize * 8; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void EncodeETC2Alpha11(uint8_t *pBC, const PixelBlockScalarS16 *pBlocks, bool isSigned, const cvtt::Options &options) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) | ||
|  |             { | ||
|  |                 Internal::ETCComputer::CompressEACBlock(pBC, pBlocks + blockBase, isSigned, options); | ||
|  |                 pBC += ParallelMath::ParallelSize * 8; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void EncodeETC2RGBA(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options, cvtt::ETC2CompressionData *compressionData) | ||
|  |         { | ||
|  |             uint8_t alphaBlockData[cvtt::NumParallelBlocks * 8]; | ||
|  |             uint8_t colorBlockData[cvtt::NumParallelBlocks * 8]; | ||
|  | 
 | ||
|  |             EncodeETC2(colorBlockData, pBlocks, options, compressionData); | ||
|  |             EncodeETC2Alpha(alphaBlockData, pBlocks, options); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase++) | ||
|  |             { | ||
|  |                 for (size_t blockData = 0; blockData < 8; blockData++) | ||
|  |                     pBC[blockBase * 16 + blockData] = alphaBlockData[blockBase * 8 + blockData]; | ||
|  | 
 | ||
|  |                 for (size_t blockData = 0; blockData < 8; blockData++) | ||
|  |                     pBC[blockBase * 16 + 8 + blockData] = colorBlockData[blockBase * 8 + blockData]; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void DecodeBC7(PixelBlockU8 *pBlocks, const uint8_t *pBC) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase++) | ||
|  |             { | ||
|  |                 Internal::BC7Computer::UnpackOne(pBlocks[blockBase], pBC); | ||
|  |                 pBC += 16; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void DecodeBC6HU(PixelBlockF16 *pBlocks, const uint8_t *pBC) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase++) | ||
|  |             { | ||
|  |                 Internal::BC6HComputer::UnpackOne(pBlocks[blockBase], pBC, false); | ||
|  |                 pBC += 16; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         void DecodeBC6HS(PixelBlockF16 *pBlocks, const uint8_t *pBC) | ||
|  |         { | ||
|  |             assert(pBlocks); | ||
|  |             assert(pBC); | ||
|  | 
 | ||
|  |             for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase++) | ||
|  |             { | ||
|  |                 Internal::BC6HComputer::UnpackOne(pBlocks[blockBase], pBC, true); | ||
|  |                 pBC += 16; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         ETC1CompressionData *AllocETC1Data(allocFunc_t allocFunc, void *context) | ||
|  |         { | ||
|  |             return cvtt::Internal::ETCComputer::AllocETC1Data(allocFunc, context); | ||
|  |         } | ||
|  | 
 | ||
|  |         void ReleaseETC1Data(ETC1CompressionData *compressionData, freeFunc_t freeFunc) | ||
|  |         { | ||
|  |             cvtt::Internal::ETCComputer::ReleaseETC1Data(compressionData, freeFunc); | ||
|  |         } | ||
|  | 
 | ||
|  |         ETC2CompressionData *AllocETC2Data(allocFunc_t allocFunc, void *context, const cvtt::Options &options) | ||
|  |         { | ||
|  |             return cvtt::Internal::ETCComputer::AllocETC2Data(allocFunc, context, options); | ||
|  |         } | ||
|  | 
 | ||
|  |         void ReleaseETC2Data(ETC2CompressionData *compressionData, freeFunc_t freeFunc) | ||
|  |         { | ||
|  |             cvtt::Internal::ETCComputer::ReleaseETC2Data(compressionData, freeFunc); | ||
|  |         } | ||
|  |     } | ||
|  | } | ||
|  | 
 | ||
|  | #endif
 |