blob: 02b3ad1092cde27f27c0b0116f2cfc850bddedae [file] [log] [blame]
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <cfloat>
#include <cmath>
#include "base/optional.h"
#include "cc/paint/paint_export.h"
#include "third_party/skia/include/core/SkFilterQuality.h"
#include "third_party/skia/include/core/SkImage.h"
#include "third_party/skia/include/core/SkRefCnt.h"
#include "third_party/skia/include/core/SkSize.h"
namespace cc {
// A DecodedDrawImage is a finalized (decoded, scaled, colorspace converted,
// possibly uploaded) version of a DrawImage. When this image is going to
// be serialized, it uses the transfer cache entry id (see the function
// PaintOpWriter::Write(DrawImage&) constructor. When this image is going
// to be rastered directly, it uses the SkImage constructor.
class CC_PAINT_EXPORT DecodedDrawImage {
DecodedDrawImage(sk_sp<const SkImage> image,
const SkSize& src_rect_offset,
const SkSize& scale_adjustment,
SkFilterQuality filter_quality,
bool is_budgeted);
DecodedDrawImage(base::Optional<uint32_t> transfer_cache_entry_id,
const SkSize& src_rect_offset,
const SkSize& scale_adjustment,
SkFilterQuality filter_quality,
bool needs_mips,
bool is_budgeted);
DecodedDrawImage(const DecodedDrawImage& other);
DecodedDrawImage(DecodedDrawImage&& other);
DecodedDrawImage& operator=(const DecodedDrawImage&);
DecodedDrawImage& operator=(DecodedDrawImage&&);
const sk_sp<const SkImage>& image() const { return image_; }
base::Optional<uint32_t> transfer_cache_entry_id() const {
return transfer_cache_entry_id_;
const SkSize& src_rect_offset() const { return src_rect_offset_; }
const SkSize& scale_adjustment() const { return scale_adjustment_; }
SkFilterQuality filter_quality() const { return filter_quality_; }
bool is_scale_adjustment_identity() const {
return std::abs(scale_adjustment_.width() - 1.f) < FLT_EPSILON &&
std::abs(scale_adjustment_.height() - 1.f) < FLT_EPSILON;
bool transfer_cache_entry_needs_mips() const {
return transfer_cache_entry_needs_mips_;
bool is_budgeted() const { return is_budgeted_; }
operator bool() const { return image_ || transfer_cache_entry_id_; }
sk_sp<const SkImage> image_;
base::Optional<uint32_t> transfer_cache_entry_id_;
SkSize src_rect_offset_;
SkSize scale_adjustment_;
SkFilterQuality filter_quality_;
bool transfer_cache_entry_needs_mips_ = false;
bool is_budgeted_;
} // namespace cc