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// Copyright 2014 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 "cc/raster/tile_task_runner.h"
#include "cc/resources/platform_color.h"
namespace cc {
TileTask::TileTask() : did_schedule_(false), did_complete_(false) {
}
TileTask::~TileTask() {
DCHECK(!did_schedule_);
DCHECK(!did_run_ || did_complete_);
}
void TileTask::WillSchedule() {
DCHECK(!did_schedule_);
}
void TileTask::DidSchedule() {
did_schedule_ = true;
did_complete_ = false;
}
bool TileTask::HasBeenScheduled() const {
return did_schedule_;
}
void TileTask::WillComplete() {
DCHECK(!did_complete_);
}
void TileTask::DidComplete() {
DCHECK(did_schedule_);
DCHECK(!did_complete_);
did_schedule_ = false;
did_complete_ = true;
}
bool TileTask::HasCompleted() const {
return did_complete_;
}
ImageDecodeTask::ImageDecodeTask() {
}
ImageDecodeTask::~ImageDecodeTask() {
}
RasterTask::RasterTask(ImageDecodeTask::Vector* dependencies) {
dependencies_.swap(*dependencies);
}
RasterTask::~RasterTask() {
}
bool TileTaskRunner::ResourceFormatRequiresSwizzle(ResourceFormat format) {
switch (format) {
case RGBA_8888:
case BGRA_8888:
// Initialize resource using the preferred PlatformColor component
// order and swizzle in the shader instead of in software.
return !PlatformColor::SameComponentOrder(format);
case RGBA_4444:
case ETC1:
case ALPHA_8:
case LUMINANCE_8:
case RGB_565:
case RED_8:
case LUMINANCE_F16:
return false;
}
NOTREACHED();
return false;
}
} // namespace cc
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