186 lines
11 KiB
C
186 lines
11 KiB
C
//=====================================================================
|
|
// Copyright (c) 2021 Advanced Micro Devices, Inc. All rights reserved.
|
|
//
|
|
// 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.
|
|
//
|
|
/// \file CMP_Core.h CPU User Interface
|
|
//
|
|
//=====================================================================
|
|
|
|
#ifndef CMP_CORE_H
|
|
#define CMP_CORE_H
|
|
|
|
#include <stdint.h>
|
|
#ifdef _WIN32
|
|
#ifndef CMP_CDECL
|
|
#define CMP_CDECL __cdecl
|
|
#endif
|
|
#else
|
|
#define CMP_CDECL
|
|
#endif
|
|
|
|
//====================================================================================
|
|
// API Definitions for Core API
|
|
//------------------------------------------------------------------------------------
|
|
// All API return 0 on success else error codes > 0
|
|
// See Common_Def.h CGU_CORE_ values for the error codes
|
|
//=====================================================================================
|
|
|
|
//======================================================================================================
|
|
// Block level setting option: Create and Destroy Reference Pointers
|
|
//======================================================================================================
|
|
// Context create and destroy to use for BCn codec settings, where n is the set [1,2,3,4,5,6,7]
|
|
// All codecs will use default max quality settings, users can create multiple contexts to
|
|
// set quality levels, masks , channel mapping, etc...
|
|
|
|
int CMP_CDECL CreateOptionsBC1(void** optionsBC1);
|
|
int CMP_CDECL CreateOptionsBC2(void** optionsBC2);
|
|
int CMP_CDECL CreateOptionsBC3(void** optionsBC3);
|
|
int CMP_CDECL CreateOptionsBC4(void** optionsBC4);
|
|
int CMP_CDECL CreateOptionsBC5(void** optionsBC5);
|
|
int CMP_CDECL CreateOptionsBC6(void** optionsBC6);
|
|
int CMP_CDECL CreateOptionsBC7(void** optionsBC7);
|
|
|
|
int CMP_CDECL DestroyOptionsBC1(void* optionsBC1);
|
|
int CMP_CDECL DestroyOptionsBC2(void* optionsBC2);
|
|
int CMP_CDECL DestroyOptionsBC3(void* optionsBC3);
|
|
int CMP_CDECL DestroyOptionsBC4(void* optionsBC4);
|
|
int CMP_CDECL DestroyOptionsBC5(void* optionsBC5);
|
|
int CMP_CDECL DestroyOptionsBC6(void* optionsBC6);
|
|
int CMP_CDECL DestroyOptionsBC7(void* optionsBC7);
|
|
|
|
//======================================================================================================
|
|
// Block level settings using the options Reference Pointers
|
|
//======================================================================================================
|
|
|
|
// Setting channel Weights : Applies to BC1, BC2 and BC3 valid ranges are [0..1.0f] Default is {1.0f, 1.0f , 1.0f}
|
|
// Use channel weightings. With swizzled formats the weighting applies to the data within the specified channel not the channel itself.
|
|
int CMP_CDECL SetChannelWeightsBC1(void* options, float WeightRed, float WeightGreen, float WeightBlue);
|
|
int CMP_CDECL SetChannelWeightsBC2(void* options, float WeightRed, float WeightGreen, float WeightBlue);
|
|
int CMP_CDECL SetChannelWeightsBC3(void* options, float WeightRed, float WeightGreen, float WeightBlue);
|
|
|
|
// True sets mapping CMP_Core BC1, BC2 & BC3 to decode Red,Green,Blue and Alpha as
|
|
// RGBA to channels [0,1,2,3] else BGRA maps to [0,1,2,3]
|
|
// Default is set to true.
|
|
int CMP_CDECL SetDecodeChannelMapping(void* options, bool mapRGBA);
|
|
|
|
int CMP_CDECL SetQualityBC1(void* options, float fquality);
|
|
int CMP_CDECL SetQualityBC2(void* options, float fquality);
|
|
int CMP_CDECL SetQualityBC3(void* options, float fquality);
|
|
int CMP_CDECL SetQualityBC4(void* options, float fquality);
|
|
int CMP_CDECL SetQualityBC5(void* options, float fquality);
|
|
int CMP_CDECL SetQualityBC6(void* options, float fquality);
|
|
int CMP_CDECL SetQualityBC7(void* options, float fquality);
|
|
|
|
int CMP_CDECL SetAlphaThresholdBC1(void* options, unsigned char alphaThreshold);
|
|
int CMP_CDECL SetRefineStepsBC1(void *options, unsigned int steps);
|
|
|
|
int CMP_CDECL SetMaskBC6(void* options, unsigned int mask);
|
|
int CMP_CDECL SetMaskBC7(void* options, unsigned char mask);
|
|
|
|
int CMP_CDECL SetAlphaOptionsBC7(void* options, bool imageNeedsAlpha, bool colourRestrict, bool alphaRestrict);
|
|
int CMP_CDECL SetErrorThresholdBC7(void* options, float minThreshold, float maxThreshold);
|
|
|
|
// Set if the content is in sRGB color space (true) or linear (false).
|
|
// The default is false.
|
|
int CMP_CDECL SetSrgbBC1(void* options, bool sRGB);
|
|
int CMP_CDECL SetSrgbBC2(void* options, bool sRGB);
|
|
int CMP_CDECL SetSrgbBC3(void* options, bool sRGB);
|
|
|
|
// Set if the content is signed (true) or unsigned (false).
|
|
// The default is false.
|
|
// For BC6, the encoded or decoded data is always FP16, but affects the clamping of the values UF16 vs SF16.
|
|
int CMP_CDECL SetSignedBC6(void* options, bool sf16);
|
|
|
|
//======================================================================================================
|
|
// (4x4) Block level 4 channel source CompressBlock and DecompressBlock API for BCn Codecs
|
|
//======================================================================================================
|
|
// The options parameter for these API can be set to null in the calls if defaults settings is sufficient
|
|
// Example: CompressBlockBC1(srcBlock,16,cmpBlock,NULL); For "C" call
|
|
// CompressBlockBC1(srcBlock,16,cmpBlock); For "C++" calls
|
|
//
|
|
// To use this parameter first create the options context using the CreateOptions call
|
|
// then use the Set Options to set various codec settings and pass them to the appropriate
|
|
// Compress or Decompress API.
|
|
// The source (srcBlock) channel format is expected to be RGBA:8888 by default for LDR Codecs
|
|
// for BC6H the format is RGBA Half float (16 bits per channel)
|
|
//------------------------------------------------------------------------------------------------------
|
|
#ifdef __cplusplus
|
|
#define CMP_DEFAULTNULL = NULL
|
|
#else
|
|
#define CMP_DEFAULTNULL
|
|
#endif
|
|
|
|
//=========================================================================================================
|
|
// 4 channel Sources, default format RGBA:8888 is processed as a 4x4 block starting at srcBlock location
|
|
// where each row of the block is calculated from srcStride
|
|
//=========================================================================================================
|
|
int CMP_CDECL CompressBlockBC1(const unsigned char* srcBlock, unsigned int srcStrideInBytes, unsigned char cmpBlock[8], const void* options CMP_DEFAULTNULL);
|
|
int CMP_CDECL CompressBlockBC2(const unsigned char* srcBlock, unsigned int srcStrideInBytes, unsigned char cmpBlock[16], const void* options CMP_DEFAULTNULL);
|
|
int CMP_CDECL CompressBlockBC3(const unsigned char* srcBlock, unsigned int srcStrideInBytes, unsigned char cmpBlock[16], const void* options CMP_DEFAULTNULL);
|
|
int CMP_CDECL CompressBlockBC7(const unsigned char* srcBlock, unsigned int srcStrideInBytes, unsigned char cmpBlock[16], const void* options CMP_DEFAULTNULL);
|
|
|
|
int CMP_CDECL DecompressBlockBC1(const unsigned char cmpBlock[8], unsigned char srcBlock[64], const void* options CMP_DEFAULTNULL);
|
|
int CMP_CDECL DecompressBlockBC2(const unsigned char cmpBlock[16], unsigned char srcBlock[64], const void* options CMP_DEFAULTNULL);
|
|
int CMP_CDECL DecompressBlockBC3(const unsigned char cmpBlock[16], unsigned char srcBlock[64], const void* options CMP_DEFAULTNULL);
|
|
int CMP_CDECL DecompressBlockBC7(const unsigned char cmpBlock[16], unsigned char srcBlock[64], const void* options CMP_DEFAULTNULL);
|
|
|
|
//================================================
|
|
// 1 channel Source 4x4 8 bits per block
|
|
//================================================
|
|
int CMP_CDECL CompressBlockBC4(const unsigned char* srcBlock, unsigned int srcStrideInBytes, unsigned char cmpBlock[8], const void* options CMP_DEFAULTNULL);
|
|
int CMP_CDECL DecompressBlockBC4(const unsigned char cmpBlock[8], unsigned char srcBlock[16], const void* options CMP_DEFAULTNULL);
|
|
|
|
// BC4 Signed channel
|
|
int CMP_CDECL CompressBlockBC4S(const char* srcBlock, unsigned int srcStrideInBytes, unsigned char cmpBlock[8], const void* options = NULL);
|
|
int CMP_CDECL DecompressBlockBC4S(const unsigned char cmpBlock[8], char srcBlock[16], const void* options CMP_DEFAULTNULL);
|
|
|
|
//================================================
|
|
// 2 channel Source 2x(4x4 8 bits)
|
|
//================================================
|
|
int CMP_CDECL CompressBlockBC5(const unsigned char* srcBlock1,
|
|
unsigned int srcStrideInBytes1,
|
|
const unsigned char* srcBlock2,
|
|
unsigned int srcStrideInBytes2,
|
|
unsigned char cmpBlock[16],
|
|
const void* options CMP_DEFAULTNULL);
|
|
|
|
int CMP_CDECL DecompressBlockBC5(const unsigned char cmpBlock[16],
|
|
unsigned char srcBlock1[16],
|
|
unsigned char srcBlock2[16],
|
|
const void* options CMP_DEFAULTNULL);
|
|
|
|
// BC5 Signed channel
|
|
int CMP_CDECL CompressBlockBC5S(const char* srcBlock1,
|
|
unsigned int srcStrideInBytes1,
|
|
const char* srcBlock2,
|
|
unsigned int srcStrideInBytes2,
|
|
unsigned char cmpBlock[16],
|
|
const void* options CMP_DEFAULTNULL);
|
|
|
|
int CMP_CDECL DecompressBlockBC5S(const unsigned char cmpBlock[16], char srcBlock1[16], char srcBlock2[16], const void* options CMP_DEFAULTNULL);
|
|
|
|
//========================================================================================
|
|
// For 3 channel Source RGB_16, Note srcStride is in unsigned short steps (2 bytes each)
|
|
//========================================================================================
|
|
int CMP_CDECL CompressBlockBC6(const unsigned short* srcBlock, unsigned int srcStrideInShorts, unsigned char cmpBlock[16], const void* options CMP_DEFAULTNULL);
|
|
int CMP_CDECL DecompressBlockBC6(const unsigned char cmpBlock[16], unsigned short srcBlock[48], const void* options CMP_DEFAULTNULL);
|
|
|
|
#endif // CMP_CORE
|