[cc] Rename all cc/ filenames to Chromium style

cc/CCDelegatedRendererLayerImpl.cpp

-// 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 "CCDelegatedRendererLayerImpl.h"
-
-#include "CCAppendQuadsData.h"
-#include "CCQuadSink.h"
-#include "CCMathUtil.h"
-#include "CCRenderPassDrawQuad.h"
-#include "CCRenderPassSink.h"
-
-namespace cc {
-
-CCDelegatedRendererLayerImpl::CCDelegatedRendererLayerImpl(int id)
-    : CCLayerImpl(id)
-{
-}
-
-CCDelegatedRendererLayerImpl::~CCDelegatedRendererLayerImpl()
-{
-    clearRenderPasses();
-}
-
-bool CCDelegatedRendererLayerImpl::descendantDrawsContent()
-{
-    // FIXME: This could possibly return false even though there are some
-    // quads present as they could all be from a single layer (or set of
-    // layers without children). If this happens, then make a test that
-    // ensures the opacity is being changed on quads in the root RenderPass
-    // when this layer doesn't own a RenderSurface.
-    return !m_renderPassesInDrawOrder.isEmpty();
-}
-
-bool CCDelegatedRendererLayerImpl::hasContributingDelegatedRenderPasses() const
-{
-    // The root RenderPass for the layer is merged with its target
-    // RenderPass in each frame. So we only have extra RenderPasses
-    // to merge when we have a non-root RenderPass present.
-    return m_renderPassesInDrawOrder.size() > 1;
-}
-
-void CCDelegatedRendererLayerImpl::setRenderPasses(ScopedPtrVector<CCRenderPass>& renderPassesInDrawOrder)
-{
-    FloatRect oldRootDamage;
-    if (!m_renderPassesInDrawOrder.isEmpty())
-        oldRootDamage = m_renderPassesInDrawOrder.last()->damageRect();
-
-    clearRenderPasses();
-
-    for (size_t i = 0; i < renderPassesInDrawOrder.size(); ++i) {
-        m_renderPassesIndexById.insert(std::pair<CCRenderPass::Id, int>(renderPassesInDrawOrder[i]->id(), i));
-        m_renderPassesInDrawOrder.append(renderPassesInDrawOrder.take(i));
-    }
-    renderPassesInDrawOrder.clear();
-
-    if (!m_renderPassesInDrawOrder.isEmpty()) {
-        FloatRect newRootDamage = m_renderPassesInDrawOrder.last()->damageRect();
-        m_renderPassesInDrawOrder.last()->setDamageRect(unionRect(oldRootDamage, newRootDamage));
-    }
-}
-
-void CCDelegatedRendererLayerImpl::clearRenderPasses()
-{
-    // FIXME: Release the resources back to the nested compositor.
-    m_renderPassesIndexById.clear();
-    m_renderPassesInDrawOrder.clear();
-}
-
-void CCDelegatedRendererLayerImpl::didLoseContext()
-{
-    clearRenderPasses();
-}
-
-static inline int indexToId(int index) { return index + 1; }
-static inline int idToIndex(int id) { return id - 1; }
-
-CCRenderPass::Id CCDelegatedRendererLayerImpl::firstContributingRenderPassId() const
-{
-    return CCRenderPass::Id(id(), indexToId(0));
-}
-
-CCRenderPass::Id CCDelegatedRendererLayerImpl::nextContributingRenderPassId(CCRenderPass::Id previous) const
-{
-    return CCRenderPass::Id(previous.layerId, previous.index + 1);
-}
-
-CCRenderPass::Id CCDelegatedRendererLayerImpl::convertDelegatedRenderPassId(CCRenderPass::Id delegatedRenderPassId) const
-{
-    base::hash_map<CCRenderPass::Id, int>::const_iterator it = m_renderPassesIndexById.find(delegatedRenderPassId);
-    ASSERT(it != m_renderPassesIndexById.end());
-    unsigned delegatedRenderPassIndex = it->second;
-    return CCRenderPass::Id(id(), indexToId(delegatedRenderPassIndex));
-}
-
-void CCDelegatedRendererLayerImpl::appendContributingRenderPasses(CCRenderPassSink& renderPassSink)
-{
-    ASSERT(hasContributingDelegatedRenderPasses());
-
-    for (size_t i = 0; i < m_renderPassesInDrawOrder.size() - 1; ++i) {
-        CCRenderPass::Id outputRenderPassId = convertDelegatedRenderPassId(m_renderPassesInDrawOrder[i]->id());
-
-        // Don't clash with the RenderPass we generate if we own a RenderSurface.
-        ASSERT(outputRenderPassId.index > 0);
-
-        renderPassSink.appendRenderPass(m_renderPassesInDrawOrder[i]->copy(outputRenderPassId));
-    }
-}
-
-void CCDelegatedRendererLayerImpl::appendQuads(CCQuadSink& quadSink, CCAppendQuadsData& appendQuadsData)
-{
-    if (m_renderPassesInDrawOrder.isEmpty())
-        return;
-
-    CCRenderPass::Id targetRenderPassId = appendQuadsData.renderPassId;
-
-    // If the index of the renderPassId is 0, then it is a renderPass generated for a layer
-    // in this compositor, not the delegated renderer. Then we want to merge our root renderPass with
-    // the target renderPass. Otherwise, it is some renderPass which we added from the delegated
-    // renderer.
-    bool shouldMergeRootRenderPassWithTarget = !targetRenderPassId.index;
-    if (shouldMergeRootRenderPassWithTarget) {
-        // Verify that the renderPass we are appending to is created our renderTarget.
-        ASSERT(targetRenderPassId.layerId == renderTarget()->id());
-
-        CCRenderPass* rootDelegatedRenderPass = m_renderPassesInDrawOrder.last();
-        appendRenderPassQuads(quadSink, appendQuadsData, rootDelegatedRenderPass);
-    } else {
-        // Verify that the renderPass we are appending to was created by us.
-        ASSERT(targetRenderPassId.layerId == id());
-
-        int renderPassIndex = idToIndex(targetRenderPassId.index);
-        CCRenderPass* delegatedRenderPass = m_renderPassesInDrawOrder[renderPassIndex];
-        appendRenderPassQuads(quadSink, appendQuadsData, delegatedRenderPass);
-    }
-}
-
-void CCDelegatedRendererLayerImpl::appendRenderPassQuads(CCQuadSink& quadSink, CCAppendQuadsData& appendQuadsData, CCRenderPass* delegatedRenderPass) const
-{
-    const CCSharedQuadState* currentSharedQuadState = 0;
-    CCSharedQuadState* copiedSharedQuadState = 0;
-    for (size_t i = 0; i < delegatedRenderPass->quadList().size(); ++i) {
-        CCDrawQuad* quad = delegatedRenderPass->quadList()[i];
-
-        if (quad->sharedQuadState() != currentSharedQuadState) {
-            currentSharedQuadState = quad->sharedQuadState();
-            copiedSharedQuadState = quadSink.useSharedQuadState(currentSharedQuadState->copy());
-            bool targetIsFromDelegatedRendererLayer = appendQuadsData.renderPassId.layerId == id();
-            if (!targetIsFromDelegatedRendererLayer) {
-              // Should be the root render pass.
-              ASSERT(delegatedRenderPass == m_renderPassesInDrawOrder.last());
-              // This layer must be drawing to a renderTarget other than itself.
-              ASSERT(renderTarget() != this);
-
-              copiedSharedQuadState->clippedRectInTarget = CCMathUtil::mapClippedRect(drawTransform(), copiedSharedQuadState->clippedRectInTarget);
-              copiedSharedQuadState->quadTransform = copiedSharedQuadState->quadTransform * drawTransform();
-              copiedSharedQuadState->opacity *= drawOpacity();
-            }
-        }
-        ASSERT(copiedSharedQuadState);
-
-        scoped_ptr<CCDrawQuad> copyQuad;
-        if (quad->material() != CCDrawQuad::RenderPass)
-            copyQuad = quad->copy(copiedSharedQuadState);
-        else {
-            CCRenderPass::Id contributingDelegatedRenderPassId = CCRenderPassDrawQuad::materialCast(quad)->renderPassId();
-            CCRenderPass::Id contributingRenderPassId = convertDelegatedRenderPassId(contributingDelegatedRenderPassId);
-            ASSERT(contributingRenderPassId != appendQuadsData.renderPassId);
-
-            copyQuad = CCRenderPassDrawQuad::materialCast(quad)->copy(copiedSharedQuadState, contributingRenderPassId).PassAs<CCDrawQuad>();
-        }
-        ASSERT(copyQuad.get());
-
-        quadSink.append(copyQuad.Pass(), appendQuadsData);
-    }
-}
-
-const char* CCDelegatedRendererLayerImpl::layerTypeAsString() const
-{
-    return "DelegatedRendererLayer";
-}
-
-}