From f7c761e5d31146a1fbd2a51d9adfe17cc61ad4c1 Mon Sep 17 00:00:00 2001
From: Daniel Lam <dalam@google.com>
Date: Mon, 30 Jan 2012 15:51:27 -0800
Subject: Refactored query function from SurfaceTexture into BufferQueue

Change-Id: Id1cb6cc38d01edb4fcfcad867c5a7693bdcc3ab1
---
 libs/gui/BufferQueue.cpp | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

(limited to 'libs/gui/BufferQueue.cpp')

diff --git a/libs/gui/BufferQueue.cpp b/libs/gui/BufferQueue.cpp
index c7e2c0f21fe4..0791de2269ef 100644
--- a/libs/gui/BufferQueue.cpp
+++ b/libs/gui/BufferQueue.cpp
@@ -166,6 +166,37 @@ status_t BufferQueue::setBufferCount(int bufferCount) {
     return OK;
 }
 
+int BufferQueue::query(int what, int* outValue)
+{
+    Mutex::Autolock lock(mMutex);
+
+    if (mAbandoned) {
+        ST_LOGE("query: SurfaceTexture has been abandoned!");
+        return NO_INIT;
+    }
+
+    int value;
+    switch (what) {
+    case NATIVE_WINDOW_WIDTH:
+        value = mDefaultWidth;
+        break;
+    case NATIVE_WINDOW_HEIGHT:
+        value = mDefaultHeight;
+        break;
+    case NATIVE_WINDOW_FORMAT:
+        value = mPixelFormat;
+        break;
+    case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS:
+        value = mSynchronousMode ?
+                (MIN_UNDEQUEUED_BUFFERS-1) : MIN_UNDEQUEUED_BUFFERS;
+        break;
+    default:
+        return BAD_VALUE;
+    }
+    outValue[0] = value;
+    return NO_ERROR;
+}
+
 status_t BufferQueue::requestBuffer(int slot, sp<GraphicBuffer>* buf) {
     ST_LOGV("requestBuffer: slot=%d", slot);
     Mutex::Autolock lock(mMutex);
-- 
cgit v1.2.3-59-g8ed1b