From 3fbce7c56082e4e0d23f1c1c89983d3841853ed7 Mon Sep 17 00:00:00 2001
From: Mathias Agopian <mathias@google.com>
Date: Mon, 25 Jul 2011 19:56:08 -0700
Subject: [PATCH] remove dead code and member variables.

also fix some comments and improve debugging logs.

Change-Id: I83e55309f306332b59e1ec46104c4a7fffbf3c97
---
 include/gui/SurfaceTextureClient.h | 16 ++--------------
 libs/gui/SurfaceTexture.cpp        | 15 +++++++--------
 libs/gui/SurfaceTextureClient.cpp  |  6 ------
 services/surfaceflinger/Layer.cpp  | 13 +++++++++++--
 4 files changed, 20 insertions(+), 30 deletions(-)

diff --git a/include/gui/SurfaceTextureClient.h b/include/gui/SurfaceTextureClient.h
index 56f029f0c..57f9e151d 100644
--- a/include/gui/SurfaceTextureClient.h
+++ b/include/gui/SurfaceTextureClient.h
@@ -135,24 +135,12 @@ private:
     // a timestamp is auto-generated when queueBuffer is called.
     int64_t mTimestamp;
 
-    // mQueryWidth is the width returned by query(). It is set to width
-    // of the last dequeued buffer or to mReqWidth if no buffer was dequeued.
-    uint32_t mQueryWidth;
-
-    // mQueryHeight is the height returned by query(). It is set to height
-    // of the last dequeued buffer or to mReqHeight if no buffer was dequeued.
-    uint32_t mQueryHeight;
-
-    // mQueryFormat is the format returned by query(). It is set to the last
-    // dequeued format or to mReqFormat if no buffer was dequeued.
-    uint32_t mQueryFormat;
-
     // mDefaultWidth is default width of the window, regardless of the
-    // set_dimension call
+    // native_window_set_buffers_dimensions call
     uint32_t mDefaultWidth;
 
     // mDefaultHeight is default width of the window, regardless of the
-    // set_dimension call
+    // native_window_set_buffers_dimensions call
     uint32_t mDefaultHeight;
 
     // mTransformHint is the transform probably applied to buffers of this
diff --git a/libs/gui/SurfaceTexture.cpp b/libs/gui/SurfaceTexture.cpp
index c190195b5..8c07d2401 100644
--- a/libs/gui/SurfaceTexture.cpp
+++ b/libs/gui/SurfaceTexture.cpp
@@ -197,11 +197,14 @@ status_t SurfaceTexture::setBufferCount(int bufferCount) {
 
 status_t SurfaceTexture::setDefaultBufferSize(uint32_t w, uint32_t h)
 {
-    Mutex::Autolock lock(mMutex);
-    if ((w != mDefaultWidth) || (h != mDefaultHeight)) {
-        mDefaultWidth = w;
-        mDefaultHeight = h;
+    if (!w || !h) {
+        LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)", w, h);
+        return BAD_VALUE;
     }
+
+    Mutex::Autolock lock(mMutex);
+    mDefaultWidth = w;
+    mDefaultHeight = h;
     return OK;
 }
 
@@ -903,13 +906,9 @@ int SurfaceTexture::query(int what, int* outValue)
     switch (what) {
     case NATIVE_WINDOW_WIDTH:
         value = mDefaultWidth;
-        if (!mDefaultWidth && !mDefaultHeight && mCurrentTextureBuf!=0)
-            value = mCurrentTextureBuf->width;
         break;
     case NATIVE_WINDOW_HEIGHT:
         value = mDefaultHeight;
-        if (!mDefaultWidth && !mDefaultHeight && mCurrentTextureBuf!=0)
-            value = mCurrentTextureBuf->height;
         break;
     case NATIVE_WINDOW_FORMAT:
         value = mPixelFormat;
diff --git a/libs/gui/SurfaceTextureClient.cpp b/libs/gui/SurfaceTextureClient.cpp
index df0ad5abe..e6837ea36 100644
--- a/libs/gui/SurfaceTextureClient.cpp
+++ b/libs/gui/SurfaceTextureClient.cpp
@@ -52,9 +52,6 @@ void SurfaceTextureClient::init() {
     mReqFormat = 0;
     mReqUsage = 0;
     mTimestamp = NATIVE_WINDOW_TIMESTAMP_AUTO;
-    mQueryWidth = 0;
-    mQueryHeight = 0;
-    mQueryFormat = 0;
     mDefaultWidth = 0;
     mDefaultHeight = 0;
     mTransformHint = 0;
@@ -154,9 +151,6 @@ int SurfaceTextureClient::dequeueBuffer(android_native_buffer_t** buffer) {
                     result);
             return result;
         }
-        mQueryWidth  = gbuf->width;
-        mQueryHeight = gbuf->height;
-        mQueryFormat = gbuf->format;
     }
     *buffer = gbuf.get();
     return OK;
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index e0268fa06..7d6a14da4 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -352,12 +352,13 @@ uint32_t Layer::doTransaction(uint32_t flags)
     if (sizeChanged) {
         // the size changed, we need to ask our client to request a new buffer
         LOGD_IF(DEBUG_RESIZE,
+                "doTransaction: "
                 "resize (layer=%p), requested (%dx%d), drawing (%d,%d), "
-                "fixedSize=%d",
+                "scalingMode=%d",
                 this,
                 int(temp.requested_w), int(temp.requested_h),
                 int(front.requested_w), int(front.requested_h),
-                isFixedSize());
+                mCurrentScalingMode);
 
         if (!isFixedSize()) {
             // we're being resized and there is a freeze display request,
@@ -492,6 +493,14 @@ void Layer::lockPageFlip(bool& recomputeVisibleRegions)
                 // we now have the correct size, unfreeze the screen
                 mFreezeLock.clear();
             }
+
+            LOGD_IF(DEBUG_RESIZE,
+                    "lockPageFlip : "
+                    "       (layer=%p), buffer (%ux%u, tr=%02x), "
+                    "requested (%dx%d)",
+                    this,
+                    bufWidth, bufHeight, mCurrentTransform,
+                    front.requested_w, front.requested_h);
         }
     }
 }