Merge "Return early when we cannot allocate a hardware layer Bug #5462308"

core/java/android/view/View.java

@@ -10114,8 +10114,20 @@ public class View implements Drawable.Callback, Drawable.Callback2, KeyEvent.Cal
                 mLocalDirtyRect.setEmpty();
             }
 
+            // The layer is not valid if the underlying GPU resources cannot be allocated
+            if (!mHardwareLayer.isValid()) {
+                return null;
+            }
+
             HardwareCanvas currentCanvas = mAttachInfo.mHardwareCanvas;
             final HardwareCanvas canvas = mHardwareLayer.start(currentCanvas);
+
+            // Make sure all the GPU resources have been properly allocated
+            if (canvas == null) {
+                mHardwareLayer.end(currentCanvas);
+                return null;
+            }
+
             mAttachInfo.mHardwareCanvas = canvas;
             try {
                 canvas.setViewport(width, height);

libs/hwui/LayerRenderer.cpp

@@ -216,7 +216,8 @@ Layer* LayerRenderer::createLayer(uint32_t width, uint32_t height, bool isOpaque
         layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE);
 
         if (glGetError() != GL_NO_ERROR) {
-            LOGD("Could not allocate texture");
+            LOGD("Could not allocate texture for layer (fbo=%d %dx%d)",
+                    fbo, width, height);
 
             glBindFramebuffer(GL_FRAMEBUFFER, previousFbo);
             Caches::getInstance().fboCache.put(fbo);