mirror of
https://github.com/yuzu-emu/FasTC
synced 2024-11-23 18:23:37 +00:00
80 lines
3.4 KiB
C++
Executable file
80 lines
3.4 KiB
C++
Executable file
//--------------------------------------------------------------------------------------
|
|
// Copyright 2011 Intel Corporation
|
|
// All Rights Reserved
|
|
//
|
|
// Permission is granted to use, copy, distribute and prepare derivative works of this
|
|
// software for any purpose and without fee, provided, that the above copyright notice
|
|
// and this statement appear in all copies. Intel makes no representations about the
|
|
// suitability of this software for any purpose. THIS SOFTWARE IS PROVIDED "AS IS."
|
|
// INTEL SPECIFICALLY DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, AND ALL LIABILITY,
|
|
// INCLUDING CONSEQUENTIAL AND OTHER INDIRECT DAMAGES, FOR THE USE OF THIS SOFTWARE,
|
|
// INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PROPRIETARY RIGHTS, AND INCLUDING THE
|
|
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Intel does not
|
|
// assume any responsibility for any errors which may appear in this software nor any
|
|
// responsibility to update it.
|
|
//
|
|
//--------------------------------------------------------------------------------------
|
|
|
|
#include "BC7Config.h"
|
|
|
|
class BlockStatManager;
|
|
|
|
namespace BC7C
|
|
{
|
|
// This is the error metric that is applied to our error measurement algorithm
|
|
// in order to bias calculation towards results that are more in-line with
|
|
// how the Human Visual System works. Uniform error means that each color
|
|
// channel is treated equally. For a while, the widely accepted non-uniform metric
|
|
// has been to give red 30%, green 59% and blue 11% weight when computing the error
|
|
// between two pixels.
|
|
enum ErrorMetric
|
|
{
|
|
eErrorMetric_Uniform, // Treats r, g, and b channels equally
|
|
eErrorMetric_Nonuniform, // { 0.3, 0.59, 0.11 }
|
|
|
|
kNumErrorMetrics
|
|
};
|
|
|
|
// Sets the error metric to be the one specified.
|
|
void SetErrorMetric(ErrorMetric e);
|
|
|
|
// Retreives a float4 pointer for the r, g, b, a weights for each color channel, in
|
|
// that order, based on the current error metric.
|
|
const float *GetErrorMetric();
|
|
|
|
// Returns the enumeration for the current error metric.
|
|
ErrorMetric GetErrorMetricEnum();
|
|
|
|
// Sets the number of steps that we use to perform simulated annealing. In general, a
|
|
// larger number produces better results. The default is set to 50. This metric works
|
|
// on a logarithmic scale -- twice the value will double the compute time, but only
|
|
// decrease the error by two times a factor.
|
|
void SetQualityLevel(int q);
|
|
int GetQualityLevel();
|
|
|
|
// Compress the image given as RGBA data to BC7 format. Width and Height are the dimensions of
|
|
// the image in pixels.
|
|
void CompressImageBC7(
|
|
const unsigned char *inBuf,
|
|
unsigned char *outBuf,
|
|
unsigned int width,
|
|
unsigned int height
|
|
);
|
|
|
|
void CompressImageBC7Stats(
|
|
const unsigned char *inBuf,
|
|
unsigned char *outBuf,
|
|
unsigned int width,
|
|
unsigned int height,
|
|
BlockStatManager &statManager
|
|
);
|
|
|
|
#ifdef HAS_SSE_41
|
|
// Compress the image given as RGBA data to BC7 format using an algorithm optimized for SIMD
|
|
// enabled platforms. Width and Height are the dimensions of the image in pixels.
|
|
void CompressImageBC7SIMD(const unsigned char* inBuf, unsigned char* outBuf, unsigned int width, unsigned int height);
|
|
#endif
|
|
|
|
// Decompress the image given as BC7 data to R8G8B8A8 format. Width and Height are the dimensions of the image in pixels.
|
|
void DecompressImageBC7(const unsigned char* inBuf, unsigned char* outBuf, unsigned int width, unsigned int height);
|
|
}
|