blob: 2b8bdaa407ee6383717849035cc8de0655826262 [file] [log] [blame]
/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkColorSpaceXformSteps_DEFINED
#define SkColorSpaceXformSteps_DEFINED
#include "include/core/SkAlphaType.h"
#include "modules/skcms/skcms.h"
#include "src/core/SkVM.h"
#include <stdint.h>
class SkColorSpace;
class SkRasterPipeline;
struct SkColorSpaceXformSteps {
struct Flags {
bool unpremul = false;
bool linearize = false;
bool gamut_transform = false;
bool encode = false;
bool premul = false;
uint32_t mask() const {
return (unpremul ? 1 : 0)
| (linearize ? 2 : 0)
| (gamut_transform ? 4 : 0)
| (encode ? 8 : 0)
| (premul ? 16 : 0);
}
};
SkColorSpaceXformSteps(const SkColorSpace* src, SkAlphaType srcAT,
const SkColorSpace* dst, SkAlphaType dstAT);
template <typename S, typename D>
SkColorSpaceXformSteps(const S& src, const D& dst)
: SkColorSpaceXformSteps(src.colorSpace(), src.alphaType(),
dst.colorSpace(), dst.alphaType()) {}
void apply(float rgba[4]) const;
void apply(SkRasterPipeline*) const;
skvm::Color program(skvm::Builder*, skvm::Uniforms*, skvm::Color) const;
Flags flags;
skcms_TransferFunction srcTF, // Apply for linearize.
dstTFInv; // Apply for encode.
float src_to_dst_matrix[9]; // Apply this 3x3 column-major matrix for gamut_transform.
};
#endif//SkColorSpaceXformSteps_DEFINED