BufferQueue: Support query of consumer usage bits (f7c6087b) · Commits · e / os / platform_frameworks_native

libs/gui/BufferQueue.cpp

+3 −0

Original line number	Diff line number	Diff line
		@@ -217,6 +217,9 @@ int BufferQueue::query(int what, int* outValue)
		case NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND:
		value = (mQueue.size() >= 2);
		break;
		case NATIVE_WINDOW_CONSUMER_USAGE_BITS:
		value = mConsumerUsageBits;
		break;
		default:
		return BAD_VALUE;
		}

+18 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@
		#include <gui/ISurfaceComposer.h>
		#include <gui/Surface.h>
		#include <gui/SurfaceComposerClient.h>
		#include <gui/BufferItemConsumer.h>
		#include <utils/String8.h>

		#include <private/gui/ComposerService.h>
		@@ -132,4 +133,21 @@ TEST_F(SurfaceTest, ConcreteTypeIsSurface) {
		EXPECT_EQ(NATIVE_WINDOW_SURFACE, result);
		}

		TEST_F(SurfaceTest, QueryConsumerUsage) {
		const int TEST_USAGE_FLAGS =
		GRALLOC_USAGE_SW_READ_OFTEN \| GRALLOC_USAGE_HW_RENDER;
		sp<BufferQueue> bq = new BufferQueue();
		sp<BufferItemConsumer> c = new BufferItemConsumer(bq,
		TEST_USAGE_FLAGS);
		sp<Surface> s = new Surface(c->getProducerInterface());

		sp<ANativeWindow> anw(s);

		int flags = -1;
		int err = anw->query(anw.get(), NATIVE_WINDOW_CONSUMER_USAGE_BITS, &flags);

		ASSERT_EQ(NO_ERROR, err);
		ASSERT_EQ(TEST_USAGE_FLAGS, flags);
		}

		}