am 09443aeb: am 62884505: Merge "Reset ANativeWindow crop on buffer geometry changes." into honeycomb

* commit '09443aeb6470d66f5bc1938b70d74b3e2f9bbbb9':
  Reset ANativeWindow crop on buffer geometry changes.

include/ui/egl/android_natives.h

@@ -315,6 +315,8 @@ static inline int native_window_set_buffer_count(
  * If all parameters are 0, the normal behavior is restored. That is,
  * dequeued buffers following this call will be sized to the window's size.
  *
+ * Calling this function will reset the window crop to a NULL value, which
+ * disables cropping of the buffers.
  */
 static inline int native_window_set_buffers_geometry(
         ANativeWindow* window,

libs/gui/SurfaceTextureClient.cpp

@@ -238,13 +238,15 @@ int SurfaceTextureClient::setCrop(Rect const* rect)
     LOGV("SurfaceTextureClient::setCrop");
     Mutex::Autolock lock(mMutex);
 
-    // empty/invalid rects are not allowed
-    if (rect->isEmpty())
-        return BAD_VALUE;
+    Rect realRect;
+    if (rect == NULL || rect->isEmpty()) {
+        realRect = Rect(0, 0);
+    } else {
+        realRect = *rect;
+    }
 
     status_t err = mSurfaceTexture->setCrop(*rect);
-    LOGE_IF(err, "ISurfaceTexture::setCrop(...) returned %s",
-            strerror(-err));
+    LOGE_IF(err, "ISurfaceTexture::setCrop(...) returned %s", strerror(-err));
 
     return err;
 }
@@ -280,7 +282,10 @@ int SurfaceTextureClient::setBuffersGeometry(int w, int h, int format)
     mReqHeight = h;
     mReqFormat = format;
 
-    return NO_ERROR;
+    status_t err = mSurfaceTexture->setCrop(Rect(0, 0));
+    LOGE_IF(err, "ISurfaceTexture::setCrop(...) returned %s", strerror(-err));
+
+    return err;
 }
 
 int SurfaceTextureClient::setBuffersTransform(int transform)

libs/surfaceflinger_client/Surface.cpp

@@ -827,13 +827,15 @@ int Surface::disconnect(int api)
 
 int Surface::crop(Rect const* rect)
 {
-    // empty/invalid rects are not allowed
-    if (rect->isEmpty())
-        return BAD_VALUE;
-
     Mutex::Autolock _l(mSurfaceLock);
     // TODO: validate rect size
-    mNextBufferCrop = *rect;
+
+    if (rect == NULL || rect->isEmpty()) {
+        mNextBufferCrop = Rect(0,0);
+    } else {
+        mNextBufferCrop = *rect;
+    }
+
     return NO_ERROR;
 }
 
@@ -884,6 +886,9 @@ int Surface::setBuffersGeometry(int w, int h, int format)
         // EGLConfig validation.
         mFormat = format;
     }
+
+    mNextBufferCrop = Rect(0,0);
+
     return NO_ERROR;
 }
 

services/surfaceflinger/LayerBase.cpp

@@ -498,11 +498,9 @@ void LayerBase::drawWithOpenGL(const Region& clip, const Texture& texture) const
 }
 
 void LayerBase::setBufferCrop(const Rect& crop) {
-    if (!crop.isEmpty()) {
-        if (mBufferCrop != crop) {
-            mBufferCrop = crop;
-            mFlinger->invalidateHwcGeometry();
-        }
+    if (mBufferCrop != crop) {
+        mBufferCrop = crop;
+        mFlinger->invalidateHwcGeometry();
     }
 }