commit 9968288e8776e6ee0b600efb5643d6e07855ce03
author bohu <bohu@google.com> Thu Mar 22 13:50:02 2018 -0700
committer Bo Hu <bohu@google.com> Fri Mar 23 03:42:48 2018 +0000
tree 299301cc1d2b1c982b849afb27b06b38a230506a
parent a5f61831a9d2ae3cf0846b3942e63361a0928857

fix drawWithOpengl

*sometime*, the background is still back

this is a temp fix for now to get the screen
to show something.

BUG: 76125889

Change-Id: I7f5975270414a34462c74ae093fbd3ef956c8e26

services/surfaceflinger/BufferLayer.cpp

diff --git a/services/surfaceflinger/BufferLayer.cpp b/services/surfaceflinger/BufferLayer.cpp
index 916576a..579f7ec 100644
--- a/services/surfaceflinger/BufferLayer.cpp
+++ b/services/surfaceflinger/BufferLayer.cpp
@@ -793,17 +793,27 @@
     texCoords[2] = vec2(right, 1.0f - bottom);
     texCoords[3] = vec2(right, 1.0f - top);
 
-    getBE().compositionInfo.re.preMultipliedAlpha = mPremultipliedAlpha;
-    getBE().compositionInfo.re.opaque = isOpaque(s);
-    getBE().compositionInfo.re.disableTexture = false;
-    getBE().compositionInfo.re.color = getColor();
-    getBE().compositionInfo.hwc.dataspace = mCurrentState.dataSpace;
+    //getBE().compositionInfo.re.preMultipliedAlpha = mPremultipliedAlpha;
+    //getBE().compositionInfo.re.opaque = isOpaque(s);
+    //getBE().compositionInfo.re.disableTexture = false;
+    //getBE().compositionInfo.re.color = getColor();
+    //getBE().compositionInfo.hwc.dataspace = mCurrentState.dataSpace;
 
+  auto& engine(mFlinger->getRenderEngine());
+    engine.setupLayerBlending(mPremultipliedAlpha, isOpaque(s), false /* disableTexture */,
+                              getColor());
+    engine.setSourceDataSpace(mCurrentState.dataSpace);
+    
     if (mCurrentState.dataSpace == HAL_DATASPACE_BT2020_ITU_PQ &&
         mConsumer->getCurrentApi() == NATIVE_WINDOW_API_MEDIA &&
         getBE().compositionInfo.mBuffer->getPixelFormat() == HAL_PIXEL_FORMAT_RGBA_1010102) {
-        getBE().compositionInfo.re.Y410BT2020 = true;
+        engine.setSourceY410BT2020(true);
     }
+
+    engine.drawMesh(getBE().mMesh);
+    engine.disableBlending();
+
+    engine.setSourceY410BT2020(false);
 }
 
 uint32_t BufferLayer::getProducerStickyTransform() const {