819ccdd340
They are not particularly packaged in Linux distros so we do not
facilitate unbundling via SCons. There could be done if/when there
is interest.
Also s/pnm/pbm/, long-lived typo :)
(cherry picked from commit b1e8889d96)
65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
//============================================================================
|
|
//
|
|
// Modulation data specifies weightings of colorA to colorB for each pixel
|
|
//
|
|
// For mode = 0
|
|
// 00: 0/8
|
|
// 01: 3/8
|
|
// 10: 5/8
|
|
// 11: 8/8
|
|
//
|
|
// For mode = 1
|
|
// 00: 0/8
|
|
// 01: 4/8
|
|
// 10: 4/8 with alpha punchthrough
|
|
// 11: 8/8
|
|
//
|
|
// For colorIsOpaque=0
|
|
// 3 bits A
|
|
// 4 bits R
|
|
// 4 bits G
|
|
// 3/4 bits B
|
|
//
|
|
// For colorIsOpaque=1
|
|
// 5 bits R
|
|
// 5 bits G
|
|
// 4/5 bits B
|
|
//
|
|
//============================================================================
|
|
|
|
#pragma once
|
|
#include "ColorRgba.h"
|
|
|
|
//============================================================================
|
|
|
|
namespace Javelin
|
|
{
|
|
//============================================================================
|
|
|
|
struct PvrTcPacket
|
|
{
|
|
unsigned int modulationData;
|
|
unsigned usePunchthroughAlpha : 1;
|
|
unsigned colorA : 14;
|
|
unsigned colorAIsOpaque : 1;
|
|
unsigned colorB : 15;
|
|
unsigned colorBIsOpaque : 1;
|
|
|
|
ColorRgb<int> GetColorRgbA() const;
|
|
ColorRgb<int> GetColorRgbB() const;
|
|
ColorRgba<int> GetColorRgbaA() const;
|
|
ColorRgba<int> GetColorRgbaB() const;
|
|
|
|
void SetColorA(const ColorRgb<unsigned char>& c);
|
|
void SetColorB(const ColorRgb<unsigned char>& c);
|
|
|
|
void SetColorA(const ColorRgba<unsigned char>& c);
|
|
void SetColorB(const ColorRgba<unsigned char>& c);
|
|
|
|
static const unsigned char BILINEAR_FACTORS[16][4];
|
|
static const unsigned char WEIGHTS[8][4];
|
|
};
|
|
|
|
//============================================================================
|
|
} // namespace Javelin
|
|
//============================================================================
|