iOrange
/ aes.hpp
Created
January 30, 2020 15:38
— forked from Pushkoff/aes.hpp
AES header only library
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| #pragma once | |
| #define AES_COMPILER_UNKNOWN 0 | |
| #define AES_COMPILER_MSVC 1 | |
| #define AES_COMPILER_GCC 2 | |
| #define AES_COMPILER_ICC 3 | |
| #define AES_COMPILER_CLANG 4 | |
| #if defined(__clang__) | |
| #define AES_COMPILER AES_COMPILER_CLANG |
iOrange
/ tbn_from_quat.c
Created
August 3, 2018 14:52
— forked from reinsteam/tbn_from_quat.c
Snippet to calculate TBN basis from quaternion in 8 instructions (seems like this one is used at Crytek: http://www.crytek.com/download/izfrey_siggraph2011.pdf)
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| /*---------------------------------------------------------------------------------------------------------------------- | |
| Custom cross-product: mad + mul | |
| ----------------------------------------------------------------------------------------------------------------------*/ | |
| half3 crs(half3 v0, half3 v1) | |
| { | |
| //return cross(v0, v1); | |
| half3 v0_0 = v0.yzx; | |
| half3 v0_1 = v1.zxy; | |
| half3 v1_0 = v0.zxy; | |
| half3 v1_1 = v1.yzx; |
iOrange
/ BlendModes.c
Created
August 6, 2017 01:03
— forked from elringus/BlendModes.c
Popular blend modes algorithms implemented in Cg.
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| fixed G (fixed4 c) { return .299 * c.r + .587 * c.g + .114 * c.b; } | |
| fixed4 Darken (fixed4 a, fixed4 b) | |
| { | |
| fixed4 r = min(a, b); | |
| r.a = b.a; | |
| return r; | |
| } | |
| fixed4 Multiply (fixed4 a, fixed4 b) |