Use RGBA16F layers when wide color gamut rendering is on

Layers created using View.setLayerType() or Canvas.saveLayer() need
to be RGBA16F/scRGB-nl when within a window that requested wide color
gamut rendering.

Bug: 29940137
Test: CtsUiRenderingTestCases, CtsGraphicsTestCases, hwui_unit_tests
Change-Id: I42fd6355448c92041491a7109e3ac8a153d38bf9
diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index a79bf35..7799248 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -421,7 +421,7 @@
     SkRect windowDirty = computeDirtyRect(frame, &dirty);
 
     bool drew = mRenderPipeline->draw(frame, windowDirty, dirty, mLightGeometry, &mLayerUpdateQueue,
-            mContentDrawBounds, mOpaque, mLightInfo, mRenderNodes, &(profiler()));
+            mContentDrawBounds, mOpaque, mWideColorGamut, mLightInfo, mRenderNodes, &(profiler()));
 
     waitOnFences();
 
@@ -563,7 +563,8 @@
     // purposes when the frame is actually drawn
     node->setPropertyFieldsDirty(RenderNode::GENERIC);
 
-    mRenderPipeline->renderLayers(mLightGeometry, &mLayerUpdateQueue, mOpaque, mLightInfo);
+    mRenderPipeline->renderLayers(mLightGeometry, &mLayerUpdateQueue,
+            mOpaque, mWideColorGamut, mLightInfo);
 
     node->incStrong(nullptr);
     mPrefetchedLayers.insert(node);
diff --git a/libs/hwui/renderthread/CanvasContext.h b/libs/hwui/renderthread/CanvasContext.h
index 76623f9..b1f4050 100644
--- a/libs/hwui/renderthread/CanvasContext.h
+++ b/libs/hwui/renderthread/CanvasContext.h
@@ -76,7 +76,7 @@
      *  @return true if the layer has been created or updated
      */
     bool createOrUpdateLayer(RenderNode* node, const DamageAccumulator& dmgAccumulator) {
-        return mRenderPipeline->createOrUpdateLayer(node, dmgAccumulator);
+        return mRenderPipeline->createOrUpdateLayer(node, dmgAccumulator, mWideColorGamut);
     }
 
     /**
diff --git a/libs/hwui/renderthread/IRenderPipeline.h b/libs/hwui/renderthread/IRenderPipeline.h
index 46ac0d2..f9b6e38 100644
--- a/libs/hwui/renderthread/IRenderPipeline.h
+++ b/libs/hwui/renderthread/IRenderPipeline.h
@@ -59,7 +59,7 @@
     virtual bool draw(const Frame& frame, const SkRect& screenDirty, const SkRect& dirty,
             const FrameBuilder::LightGeometry& lightGeometry,
             LayerUpdateQueue* layerUpdateQueue,
-            const Rect& contentDrawBounds, bool opaque,
+            const Rect& contentDrawBounds, bool opaque, bool wideColorGamut,
             const BakedOpRenderer::LightInfo& lightInfo,
             const std::vector< sp<RenderNode> >& renderNodes,
             FrameInfoVisualizer* profiler) = 0;
@@ -73,11 +73,11 @@
     virtual bool isContextReady() = 0;
     virtual void onDestroyHardwareResources() = 0;
     virtual void renderLayers(const FrameBuilder::LightGeometry& lightGeometry,
-            LayerUpdateQueue* layerUpdateQueue, bool opaque,
+            LayerUpdateQueue* layerUpdateQueue, bool opaque, bool wideColorGamut,
             const BakedOpRenderer::LightInfo& lightInfo) = 0;
     virtual TaskManager* getTaskManager() = 0;
     virtual bool createOrUpdateLayer(RenderNode* node,
-            const DamageAccumulator& damageAccumulator) = 0;
+            const DamageAccumulator& damageAccumulator, bool wideColorGamut) = 0;
     virtual bool pinImages(std::vector<SkImage*>& mutableImages) = 0;
     virtual bool pinImages(LsaVector<sk_sp<Bitmap>>& images) = 0;
     virtual void unpinImages() = 0;
diff --git a/libs/hwui/renderthread/OpenGLPipeline.cpp b/libs/hwui/renderthread/OpenGLPipeline.cpp
index e15d0eb..7283eb1 100644
--- a/libs/hwui/renderthread/OpenGLPipeline.cpp
+++ b/libs/hwui/renderthread/OpenGLPipeline.cpp
@@ -58,7 +58,7 @@
 bool OpenGLPipeline::draw(const Frame& frame, const SkRect& screenDirty, const SkRect& dirty,
         const FrameBuilder::LightGeometry& lightGeometry,
         LayerUpdateQueue* layerUpdateQueue,
-        const Rect& contentDrawBounds, bool opaque,
+        const Rect& contentDrawBounds, bool opaque, bool wideColorGamut,
         const BakedOpRenderer::LightInfo& lightInfo,
         const std::vector< sp<RenderNode> >& renderNodes,
         FrameInfoVisualizer* profiler) {
@@ -77,7 +77,7 @@
     frameBuilder.deferRenderNodeScene(renderNodes, contentDrawBounds);
 
     BakedOpRenderer renderer(caches, mRenderThread.renderState(),
-            opaque, lightInfo);
+            opaque, wideColorGamut, lightInfo);
     frameBuilder.replayBakedOps<BakedOpDispatcher>(renderer);
     ProfileRenderer profileRenderer(renderer);
     profiler->draw(profileRenderer);
@@ -184,14 +184,14 @@
 }
 
 void OpenGLPipeline::renderLayers(const FrameBuilder::LightGeometry& lightGeometry,
-        LayerUpdateQueue* layerUpdateQueue, bool opaque,
+        LayerUpdateQueue* layerUpdateQueue, bool opaque, bool wideColorGamut,
         const BakedOpRenderer::LightInfo& lightInfo) {
     static const std::vector< sp<RenderNode> > emptyNodeList;
     auto& caches = Caches::getInstance();
     FrameBuilder frameBuilder(*layerUpdateQueue, lightGeometry, caches);
     layerUpdateQueue->clear();
-    BakedOpRenderer renderer(caches, mRenderThread.renderState(),
-            opaque, lightInfo);
+    // TODO: Handle wide color gamut contexts
+    BakedOpRenderer renderer(caches, mRenderThread.renderState(), opaque, wideColorGamut, lightInfo);
     LOG_ALWAYS_FATAL_IF(renderer.didDraw(), "shouldn't draw in buildlayer case");
     frameBuilder.replayBakedOps<BakedOpDispatcher>(renderer);
 }
@@ -205,12 +205,13 @@
 }
 
 bool OpenGLPipeline::createOrUpdateLayer(RenderNode* node,
-        const DamageAccumulator& damageAccumulator) {
+        const DamageAccumulator& damageAccumulator, bool wideColorGamut) {
     RenderState& renderState = mRenderThread.renderState();
     OffscreenBufferPool& layerPool = renderState.layerPool();
     bool transformUpdateNeeded = false;
     if (node->getLayer() == nullptr) {
-        node->setLayer(layerPool.get(renderState, node->getWidth(), node->getHeight()));
+        node->setLayer(layerPool.get(renderState,
+                node->getWidth(), node->getHeight(), wideColorGamut));
         transformUpdateNeeded = true;
     } else if (!layerMatchesWH(node->getLayer(), node->getWidth(), node->getHeight())) {
         // TODO: remove now irrelevant, currently enqueued damage (respecting damage ordering)
diff --git a/libs/hwui/renderthread/OpenGLPipeline.h b/libs/hwui/renderthread/OpenGLPipeline.h
index 0e8c3f5..4ca19fb 100644
--- a/libs/hwui/renderthread/OpenGLPipeline.h
+++ b/libs/hwui/renderthread/OpenGLPipeline.h
@@ -36,7 +36,7 @@
     bool draw(const Frame& frame, const SkRect& screenDirty, const SkRect& dirty,
             const FrameBuilder::LightGeometry& lightGeometry,
             LayerUpdateQueue* layerUpdateQueue,
-            const Rect& contentDrawBounds, bool opaque,
+            const Rect& contentDrawBounds, bool opaque, bool wideColorGamut,
             const BakedOpRenderer::LightInfo& lightInfo,
             const std::vector< sp<RenderNode> >& renderNodes,
             FrameInfoVisualizer* profiler) override;
@@ -50,11 +50,11 @@
     bool isContextReady() override;
     void onDestroyHardwareResources() override;
     void renderLayers(const FrameBuilder::LightGeometry& lightGeometry,
-            LayerUpdateQueue* layerUpdateQueue, bool opaque,
+            LayerUpdateQueue* layerUpdateQueue, bool opaque, bool wideColorGamut,
             const BakedOpRenderer::LightInfo& lightInfo) override;
     TaskManager* getTaskManager() override;
     bool createOrUpdateLayer(RenderNode* node,
-            const DamageAccumulator& damageAccumulator) override;
+            const DamageAccumulator& damageAccumulator, bool wideColorGamut) override;
     bool pinImages(std::vector<SkImage*>& mutableImages) override { return false; }
     bool pinImages(LsaVector<sk_sp<Bitmap>>& images) override;
     void unpinImages() override;