81 lines
1.6 KiB
C++
81 lines
1.6 KiB
C++
/*
|
|
Copyright 2007 nVidia, Inc.
|
|
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
|
|
|
|
You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
|
See the License for the specific language governing permissions and limitations under the License.
|
|
*/
|
|
|
|
#ifndef _ENDPTS_H
|
|
#define _ENDPTS_H
|
|
|
|
// endpoint definitions and routines to search through endpoint space
|
|
|
|
#include "arvo/Vec4.h"
|
|
|
|
using namespace ArvoMath;
|
|
|
|
#define NCHANNELS_RGB 3
|
|
#define NCHANNELS_RGBA 4
|
|
#define CHANNEL_R 0
|
|
#define CHANNEL_G 1
|
|
#define CHANNEL_B 2
|
|
#define CHANNEL_A 3
|
|
|
|
struct FltEndpts
|
|
{
|
|
Vec4 A;
|
|
Vec4 B;
|
|
};
|
|
|
|
struct IntEndptsRGB
|
|
{
|
|
int A[NCHANNELS_RGB];
|
|
int B[NCHANNELS_RGB];
|
|
};
|
|
|
|
struct IntEndptsRGB_1
|
|
{
|
|
int A[NCHANNELS_RGB];
|
|
int B[NCHANNELS_RGB];
|
|
int lsb; // shared lsb for A and B
|
|
};
|
|
|
|
struct IntEndptsRGB_2
|
|
{
|
|
int A[NCHANNELS_RGB];
|
|
int B[NCHANNELS_RGB];
|
|
int a_lsb; // lsb for A
|
|
int b_lsb; // lsb for B
|
|
};
|
|
|
|
|
|
struct IntEndptsRGBA
|
|
{
|
|
int A[NCHANNELS_RGBA];
|
|
int B[NCHANNELS_RGBA];
|
|
};
|
|
|
|
struct IntEndptsRGBA_2
|
|
{
|
|
int A[NCHANNELS_RGBA];
|
|
int B[NCHANNELS_RGBA];
|
|
int a_lsb; // lsb for A
|
|
int b_lsb; // lsb for B
|
|
};
|
|
|
|
struct IntEndptsRGBA_2a
|
|
{
|
|
int A[NCHANNELS_RGBA];
|
|
int B[NCHANNELS_RGBA];
|
|
int a_lsb; // lsb for RGB channels of A
|
|
int b_lsb; // lsb for RGB channels of A
|
|
};
|
|
|
|
#endif
|
|
|