mirror of
https://github.com/godotengine/godot.git
synced 2024-12-21 10:25:24 +08:00
347 lines
14 KiB
C++
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
|