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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkJumper_DEFINED
#define SkJumper_DEFINED
// This file contains definitions shared by SkJumper.cpp (compiled normally as part of Skia)
// and SkJumper_stages.cpp (compiled into Skia _and_ offline into SkJumper_generated.h).
// Keep it simple!
#include <stdint.h>
// SkJumper Stages can use constant literals only if they end up baked into the instruction,
// like bit shifts and rounding modes. Any other constant values must be pulled from this struct
// (except 0, ~0, and 0.0f, which always end up as some sort of xor or cmpeq instruction).
//
// This constraint makes it much easier to move and reorder the code for each Stage.
struct SkJumper_constants {
float _1; // 1.0f
float _0_5; // 0.5f
float _255; // 255.0f
float _1_255; // 1/255.0f
uint32_t _0x000000ff; // 0x000000ff
float iota[8]; // 0,1,2,3,4,5,6,7
// from_srgb
float _00025; // 0.0025f
float _06975; // 0.6975f
float _03000; // 0.3000f
float _1_1292; // 1/12.92f
float _0055; // 0.055f
// to_srgb
float _1246; // 12.46f
float _0411192; // 0.411192f
float _0689206; // 0.689206f
float n_00988; // -0.0988f
float _00043; // 0.0043f
// fp16 <-> fp32
uint32_t _0x77800000;
uint32_t _0x07800000;
};
#endif//SkJumper_DEFINED
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