mirror of
https://github.com/godotengine/godot.git
synced 2025-11-03 23:21:15 +00:00
52 lines
2.8 KiB
C++
52 lines
2.8 KiB
C++
|
#pragma once
|
||
|
|
#ifndef __CVTT_S3TC_H__
|
||
|
|
#define __CVTT_S3TC_H__
|
||
|
|
|
||
|
|
#include "ConvectionKernels_ParallelMath.h"
|
||
|
|
|
||
|
|
namespace cvtt
|
||
|
|
{
|
||
|
|
namespace Internal
|
||
|
|
{
|
||
|
|
template<int TVectorSize>
|
||
|
|
class EndpointRefiner;
|
||
|
|
}
|
||
|
|
|
||
|
|
struct PixelBlockU8;
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace cvtt
|
||
|
|
{
|
||
|
|
namespace Internal
|
||
|
|
{
|
||
|
|
class S3TCComputer
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
typedef ParallelMath::Float MFloat;
|
||
|
|
typedef ParallelMath::SInt16 MSInt16;
|
||
|
|
typedef ParallelMath::UInt15 MUInt15;
|
||
|
|
typedef ParallelMath::UInt16 MUInt16;
|
||
|
|
typedef ParallelMath::SInt32 MSInt32;
|
||
|
|
|
||
|
|
static void Init(MFloat& error);
|
||
|
|
static void QuantizeTo6Bits(MUInt15& v);
|
||
|
|
static void QuantizeTo5Bits(MUInt15& v);
|
||
|
|
static void QuantizeTo565(MUInt15 endPoint[3]);
|
||
|
|
static MFloat ParanoidFactorForSpan(const MSInt16& span);
|
||
|
|
static MFloat ParanoidDiff(const MUInt15& a, const MUInt15& b, const MFloat& d);
|
||
|
|
static void TestSingleColor(uint32_t flags, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], int range, const float* channelWeights,
|
||
|
|
MFloat &bestError, MUInt15 bestEndpoints[2][3], MUInt15 bestIndexes[16], MUInt15 &bestRange, const ParallelMath::RoundTowardNearestForScope *rtn);
|
||
|
|
static void TestEndpoints(uint32_t flags, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], const MFloat preWeightedPixels[16][4], const MUInt15 unquantizedEndPoints[2][3], int range, const float* channelWeights,
|
||
|
|
MFloat &bestError, MUInt15 bestEndpoints[2][3], MUInt15 bestIndexes[16], MUInt15 &bestRange, EndpointRefiner<3> *refiner, const ParallelMath::RoundTowardNearestForScope *rtn);
|
||
|
|
static void TestCounts(uint32_t flags, const int *counts, int nCounts, const MUInt15 &numElements, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], const MFloat preWeightedPixels[16][4], bool alphaTest,
|
||
|
|
const MFloat floatSortedInputs[16][4], const MFloat preWeightedFloatSortedInputs[16][4], const float *channelWeights, MFloat &bestError, MUInt15 bestEndpoints[2][3], MUInt15 bestIndexes[16], MUInt15 &bestRange,
|
||
|
|
const ParallelMath::RoundTowardNearestForScope* rtn);
|
||
|
|
static void PackExplicitAlpha(uint32_t flags, const PixelBlockU8* inputs, int inputChannel, uint8_t* packedBlocks, size_t packedBlockStride);
|
||
|
|
static void PackInterpolatedAlpha(uint32_t flags, const PixelBlockU8* inputs, int inputChannel, uint8_t* packedBlocks, size_t packedBlockStride, bool isSigned, int maxTweakRounds, int numRefineRounds);
|
||
|
|
static void PackRGB(uint32_t flags, const PixelBlockU8* inputs, uint8_t* packedBlocks, size_t packedBlockStride, const float channelWeights[4], bool alphaTest, float alphaThreshold, bool exhaustive, int maxTweakRounds, int numRefineRounds);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|