From: SooChan Lim <sc1.lim@samsung.com>
Date: Thu, 30 Jul 2020 08:12:05 +0000 (+0900)
Subject: DSBuffer: add canAquireBuffer method in DSBufferQueue
X-Git-Tag: accepted/tizen/unified/20200820.213435~188
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=63ce11bb090d2eee5a3d80018bf4e7460f6c2679;p=platform%2Fcore%2Fuifw%2Flibds.git

DSBuffer: add canAquireBuffer method in DSBufferQueue

Change-Id: Ic7aab2ea2843725a5d85c6a30c257294069f8b67
---

diff --git a/src/DSBuffer/DSBufferQueueTBMImpl.cpp b/src/DSBuffer/DSBufferQueueTBMImpl.cpp
index 08eb77e..c73e199 100644
--- a/src/DSBuffer/DSBufferQueueTBMImpl.cpp
+++ b/src/DSBuffer/DSBufferQueueTBMImpl.cpp
@@ -124,4 +124,14 @@ bool DSBufferQueueTBMImpl::releaseBuffer(std::shared_ptr<IDSBuffer> buffer)
 	return true;
 }
 
+bool DSBufferQueueTBMImpl::canAcquireBuffer(bool wait)
+{
+	if (!tbm_surface_queue_can_acquire(__tqueue, wait)) {
+		DSLOG_ERR("BuffeQueueTBM", "tbm_surface_queue_can_acquire fails.");
+		return false;
+	}
+
+	return true;
+}
+
 }
diff --git a/src/DSBuffer/DSBufferQueueTBMImpl.h b/src/DSBuffer/DSBufferQueueTBMImpl.h
index a4e06e3..f5919b3 100644
--- a/src/DSBuffer/DSBufferQueueTBMImpl.h
+++ b/src/DSBuffer/DSBufferQueueTBMImpl.h
@@ -24,6 +24,8 @@ public:
 	std::shared_ptr<IDSBuffer> acquireBuffer() override;
 	bool                       releaseBuffer(std::shared_ptr<IDSBuffer> buffer) override;
 
+	bool                       canAcquireBuffer(bool wait) override;
+
 private:
 	int __slotSize;
 	int __bufferWidth;
diff --git a/src/DSBuffer/IDSBufferQueue.h b/src/DSBuffer/IDSBufferQueue.h
index a3e719d..4750374 100644
--- a/src/DSBuffer/IDSBufferQueue.h
+++ b/src/DSBuffer/IDSBufferQueue.h
@@ -19,6 +19,8 @@ public:
 	virtual bool                       enqueueBuffer(std::shared_ptr<IDSBuffer> ) = 0;
 	virtual std::shared_ptr<IDSBuffer> acquireBuffer() = 0;
 	virtual bool                       releaseBuffer(std::shared_ptr<IDSBuffer> ) = 0;
+
+	virtual bool                       canAcquireBuffer(bool wait) = 0;
 };
 
 }
diff --git a/tests/DSBufferTBMImpl-test.cpp b/tests/DSBufferTBMImpl-test.cpp
index f2758e8..6a96113 100644
--- a/tests/DSBufferTBMImpl-test.cpp
+++ b/tests/DSBufferTBMImpl-test.cpp
@@ -103,4 +103,15 @@ TEST_F(DSBufferTBMImplTest, DequeueBuffer_4Times)
 	EXPECT_TRUE(bufferQueue->releaseBuffer(buffer4));
 	EXPECT_TRUE(bufferQueue->releaseBuffer(buffer5));
 	EXPECT_TRUE(bufferQueue->releaseBuffer(buffer6));
-}
\ No newline at end of file
+}
+
+TEST_F(DSBufferTBMImplTest, CanAcquireBuffer)
+{
+	auto bufferQueue = std::make_unique<DSBufferQueueTBMImpl>(3, 100, 100, IDSBuffer::FORMAT_ARGB8888);
+	EXPECT_TRUE(bufferQueue.get() != nullptr);
+
+	auto buffer1 = bufferQueue->dequeueBuffer();
+	EXPECT_TRUE(buffer1 != nullptr);
+	EXPECT_TRUE(bufferQueue->enqueueBuffer(buffer1));
+	EXPECT_TRUE(bufferQueue->canAcquireBuffer(true));
+}