cc: Rename PrioritizedTexture to PrioritizedResource.

cc/prioritized_texture.cc

-// Copyright 2012 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 "config.h"
-
-#include "cc/prioritized_texture.h"
-
-#include "cc/platform_color.h"
-#include "cc/prioritized_texture_manager.h"
-#include "cc/priority_calculator.h"
-#include "cc/proxy.h"
-#include <algorithm>
-
-using namespace std;
-
-namespace cc {
-
-PrioritizedTexture::PrioritizedTexture(PrioritizedTextureManager* manager, gfx::Size size, GLenum format)
-    : m_size(size)
-    , m_format(format)
-    , m_bytes(0)
-    , m_contentsSwizzled(false)
-    , m_priority(PriorityCalculator::lowestPriority())
-    , m_isAbovePriorityCutoff(false)
-    , m_isSelfManaged(false)
-    , m_backing(0)
-    , m_manager(0)
-{
-    // m_manager is set in registerTexture() so validity can be checked.
-    DCHECK(format || size.IsEmpty());
-    if (format)
-        m_bytes = Texture::memorySizeBytes(size, format);
-    if (manager)
-        manager->registerTexture(this);
-}
-
-PrioritizedTexture::~PrioritizedTexture()
-{
-    if (m_manager)
-        m_manager->unregisterTexture(this);
-}
-
-void PrioritizedTexture::setTextureManager(PrioritizedTextureManager* manager)
-{
-    if (m_manager == manager)
-        return;
-    if (m_manager)
-        m_manager->unregisterTexture(this);
-    if (manager)
-        manager->registerTexture(this);
-}
-
-void PrioritizedTexture::setDimensions(gfx::Size size, GLenum format)
-{
-    if (m_format != format || m_size != size) {
-        m_isAbovePriorityCutoff = false;
-        m_format = format;
-        m_size = size;
-        m_bytes = Texture::memorySizeBytes(size, format);
-        DCHECK(m_manager || !m_backing);
-        if (m_manager)
-            m_manager->returnBackingTexture(this);
-    }
-}
-
-bool PrioritizedTexture::requestLate()
-{
-    if (!m_manager)
-        return false;
-    return m_manager->requestLate(this);
-}
-
-bool PrioritizedTexture::backingResourceWasEvicted() const
-{
-    return m_backing ? m_backing->resourceHasBeenDeleted() : false;
-}
-
-void PrioritizedTexture::acquireBackingTexture(ResourceProvider* resourceProvider)
-{
-    DCHECK(m_isAbovePriorityCutoff);
-    if (m_isAbovePriorityCutoff)
-        m_manager->acquireBackingTextureIfNeeded(this, resourceProvider);
-}
-
-ResourceProvider::ResourceId PrioritizedTexture::resourceId() const
-{
-    if (m_backing)
-        return m_backing->id();
-    return 0;
-}
-
-void PrioritizedTexture::setPixels(ResourceProvider* resourceProvider,
-                                   const uint8_t* image, const gfx::Rect& imageRect,
-                                   const gfx::Rect& sourceRect, const gfx::Vector2d& destOffset)
-{
-    DCHECK(m_isAbovePriorityCutoff);
-    if (m_isAbovePriorityCutoff)
-        acquireBackingTexture(resourceProvider);
-    DCHECK(m_backing);
-    resourceProvider->setPixels(resourceId(), image, imageRect, sourceRect, destOffset);
-
-    // The component order may be bgra if we uploaded bgra pixels to rgba
-    // texture. Mark contents as swizzled if image component order is
-    // different than texture format.
-    m_contentsSwizzled = !PlatformColor::sameComponentOrder(m_format);
-}
-
-void PrioritizedTexture::link(Backing* backing)
-{
-    DCHECK(backing);
-    DCHECK(!backing->m_owner);
-    DCHECK(!m_backing);
-
-    m_backing = backing;
-    m_backing->m_owner = this;
-}
-
-void PrioritizedTexture::unlink()
-{
-    DCHECK(m_backing);
-    DCHECK(m_backing->m_owner == this);
-
-    m_backing->m_owner = 0;
-    m_backing = 0;
-}
-
-void PrioritizedTexture::setToSelfManagedMemoryPlaceholder(size_t bytes)
-{
-    setDimensions(gfx::Size(), GL_RGBA);
-    setIsSelfManaged(true);
-    m_bytes = bytes;
-}
-
-PrioritizedTexture::Backing::Backing(unsigned id, ResourceProvider* resourceProvider, gfx::Size size, GLenum format)
-    : Texture(id, size, format)
-    , m_owner(0)
-    , m_priorityAtLastPriorityUpdate(PriorityCalculator::lowestPriority())
-    , m_wasAbovePriorityCutoffAtLastPriorityUpdate(false)
-    , m_inDrawingImplTree(false)
-    , m_resourceHasBeenDeleted(false)
-#ifndef NDEBUG
-    , m_resourceProvider(resourceProvider)
-#endif
-{
-}
-
-PrioritizedTexture::Backing::~Backing()
-{
-    DCHECK(!m_owner);
-    DCHECK(m_resourceHasBeenDeleted);
-}
-
-void PrioritizedTexture::Backing::deleteResource(ResourceProvider* resourceProvider)
-{
-    DCHECK(Proxy::isImplThread());
-    DCHECK(!m_resourceHasBeenDeleted);
-#ifndef NDEBUG
-    DCHECK(resourceProvider == m_resourceProvider);
-#endif
-
-    resourceProvider->deleteResource(id());
-    setId(0);
-    m_resourceHasBeenDeleted = true;
-}
-
-bool PrioritizedTexture::Backing::resourceHasBeenDeleted() const
-{
-    DCHECK(Proxy::isImplThread());
-    return m_resourceHasBeenDeleted;
-}
-
-bool PrioritizedTexture::Backing::canBeRecycled() const
-{
-    DCHECK(Proxy::isImplThread());
-    return !m_wasAbovePriorityCutoffAtLastPriorityUpdate && !m_inDrawingImplTree;
-}
-
-void PrioritizedTexture::Backing::updatePriority()
-{
-    DCHECK(Proxy::isImplThread() && Proxy::isMainThreadBlocked());
-    if (m_owner) {
-        m_priorityAtLastPriorityUpdate = m_owner->requestPriority();
-        m_wasAbovePriorityCutoffAtLastPriorityUpdate = m_owner->isAbovePriorityCutoff();
-    } else {
-        m_priorityAtLastPriorityUpdate = PriorityCalculator::lowestPriority();
-        m_wasAbovePriorityCutoffAtLastPriorityUpdate = false;
-    }
-}
-
-void PrioritizedTexture::Backing::updateInDrawingImplTree()
-{
-    DCHECK(Proxy::isImplThread() && Proxy::isMainThreadBlocked());
-    m_inDrawingImplTree = !!owner();
-    if (!m_inDrawingImplTree)
-        DCHECK(m_priorityAtLastPriorityUpdate == PriorityCalculator::lowestPriority());
-}
-
-void PrioritizedTexture::returnBackingTexture()
-{
-    DCHECK(m_manager || !m_backing);
-    if (m_manager)
-        m_manager->returnBackingTexture(this);
-}
-
-}  // namespace cc