commit ca10ed2c5e74b612cea7fcc1ecb3a51f2c144f02
author David Sodman <dsodman@google.com> Mon Apr 16 14:10:25 2018 -0700
committer David Sodman <dsodman@google.com> Thu Jul 12 10:28:24 2018 -0700
tree 63992b0b8d5054b385d5fcf1c91de14f57b5b8ad
parent 8501e36697b14ae8efa4611689a85948babda7ca

Revert "Revert "SF: Add support for screen captures""

This reverts commit 2156613b58e6a792e3ab504ed0b7a0b189ff041b.

Test: Manual and cts -m ViewTestCases

Change-Id: Ia1de956a2f41ecd3e019c8540a60d42c37bc343e

services/surfaceflinger/BufferLayer.cpp

diff --git a/services/surfaceflinger/BufferLayer.cpp b/services/surfaceflinger/BufferLayer.cpp
index e128df7..37f4b0f 100644
--- a/services/surfaceflinger/BufferLayer.cpp
+++ b/services/surfaceflinger/BufferLayer.cpp
@@ -160,6 +160,8 @@
                          bool useIdentityTransform) const {
     ATRACE_CALL();
 
+    CompositionInfo& compositionInfo = getBE().compositionInfo;
+
     if (CC_UNLIKELY(mActiveBuffer == 0)) {
         // the texture has not been created yet, this Layer has
         // in fact never been drawn into. This happens frequently with
@@ -241,6 +243,7 @@
         mTexture.setDimensions(mActiveBuffer->getWidth(), mActiveBuffer->getHeight());
         mTexture.setFiltering(useFiltering);
         mTexture.setMatrix(textureMatrix);
+        compositionInfo.re.texture = mTexture;
 
         engine.setupLayerTexturing(mTexture);
     } else {
@@ -250,6 +253,23 @@
     engine.disableTexturing();
 }
 
+void BufferLayer::drawNow(const RenderArea& renderArea, bool useIdentityTransform) const {
+    CompositionInfo& compositionInfo = getBE().compositionInfo;
+    auto& engine(mFlinger->getRenderEngine());
+
+    draw(renderArea, useIdentityTransform);
+
+    engine.setupLayerTexturing(compositionInfo.re.texture);
+    engine.setupLayerBlending(compositionInfo.re.preMultipliedAlpha, compositionInfo.re.opaque,
+            false, compositionInfo.re.color);
+    engine.setSourceDataSpace(compositionInfo.hwc.dataspace);
+    engine.setSourceY410BT2020(compositionInfo.re.Y410BT2020);
+    engine.drawMesh(getBE().getMesh());
+    engine.disableBlending();
+    engine.disableTexturing();
+    engine.setSourceY410BT2020(false);
+}
+
 void BufferLayer::onLayerDisplayed(const sp<Fence>& releaseFence) {
     mConsumer->setReleaseFence(releaseFence);
 }