Merge "graphics: revise gralloc interfaces" into oc-dev (51db3bce) · Commits · e / os / android_hardware_interfaces

automotive/evs/1.0/vts/functional/FrameHandler.cpp

+14 −64

Original line number	Diff line number	Diff line
		@@ -23,7 +23,6 @@

		#include <android/log.h>
		#include <cutils/native_handle.h>
		#include <ui/GraphicBufferMapper.h>
		#include <ui/GraphicBuffer.h>

		#include <algorithm> // std::min
		@@ -135,11 +134,7 @@ Return<void> FrameHandler::deliverFrame(const BufferDesc& bufferArg) {
		// Local flag we use to keep track of when the stream is stopping
		bool timeToStop = false;

		// TODO: Why do we get a gralloc crash if we don't clone the buffer here?
		BufferDesc buffer(bufferArg);
		ALOGD("Clone the received frame as %p", buffer.memHandle.getNativeHandle());

		if (buffer.memHandle.getNativeHandle() == nullptr) {
		if (bufferArg.memHandle.getNativeHandle() == nullptr) {
		// Signal that the last frame has been received and the stream is stopped
		timeToStop = true;
		} else {
		@@ -157,13 +152,8 @@ Return<void> FrameHandler::deliverFrame(const BufferDesc& bufferArg) {
		printf("Didn't get target buffer - frame lost\n");
		ALOGE("Didn't get requested output buffer -- skipping this frame.");
		} else {
		// In order for the handles passed through HIDL and stored in the BufferDesc to
		// be lockable, we must register them with GraphicBufferMapper
		registerBufferHelper(tgtBuffer);
		registerBufferHelper(buffer);

		// Copy the contents of the of buffer.memHandle into tgtBuffer
		copyBufferContents(tgtBuffer, buffer);
		copyBufferContents(tgtBuffer, bufferArg);

		// Send the target buffer back for display
		Return <EvsResult> result = mDisplay->returnTargetBufferForDisplay(tgtBuffer);
		@@ -183,10 +173,6 @@ Return<void> FrameHandler::deliverFrame(const BufferDesc& bufferArg) {
		mFramesDisplayed++;
		mLock.unlock();
		}

		// Now tell GraphicBufferMapper we won't be using these handles anymore
		unregisterBufferHelper(tgtBuffer);
		unregisterBufferHelper(buffer);
		}
		}

		@@ -233,24 +219,22 @@ bool FrameHandler::copyBufferContents(const BufferDesc& tgtBuffer,
		const unsigned height = std::min(tgtBuffer.height,
		srcBuffer.height);

		android::GraphicBufferMapper &mapper = android::GraphicBufferMapper::get();

		sp<android::GraphicBuffer> tgt = new android::GraphicBuffer(
		tgtBuffer.memHandle, android::GraphicBuffer::CLONE_HANDLE,
		tgtBuffer.width, tgtBuffer.height, tgtBuffer.format, 1, tgtBuffer.usage,
		tgtBuffer.stride);
		sp<android::GraphicBuffer> src = new android::GraphicBuffer(
		srcBuffer.memHandle, android::GraphicBuffer::CLONE_HANDLE,
		srcBuffer.width, srcBuffer.height, srcBuffer.format, 1, srcBuffer.usage,
		srcBuffer.stride);

		// Lock our source buffer for reading
		unsigned char* srcPixels = nullptr;
		mapper.registerBuffer(srcBuffer.memHandle);
		mapper.lock(srcBuffer.memHandle,
		GRALLOC_USAGE_SW_READ_OFTEN,
		android::Rect(width, height),
		(void **) &srcPixels);
		src->lock(GRALLOC_USAGE_SW_READ_OFTEN, (void**)&srcPixels);

		// Lock our target buffer for writing
		unsigned char* tgtPixels = nullptr;
		mapper.registerBuffer(tgtBuffer.memHandle);
		mapper.lock(tgtBuffer.memHandle,
		GRALLOC_USAGE_SW_WRITE_OFTEN,
		android::Rect(width, height),
		(void **) &tgtPixels);
		tgt->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)&tgtPixels);

		if (srcPixels && tgtPixels) {
		for (unsigned row = 0; row < height; row++) {
		@@ -267,45 +251,11 @@ bool FrameHandler::copyBufferContents(const BufferDesc& tgtBuffer,
		}

		if (srcPixels) {
		mapper.unlock(srcBuffer.memHandle);
		src->unlock();
		}
		if (tgtPixels) {
		mapper.unlock(tgtBuffer.memHandle);
		tgt->unlock();
		}
		mapper.unregisterBuffer(srcBuffer.memHandle);
		mapper.unregisterBuffer(tgtBuffer.memHandle);

		return success;
		}


		void FrameHandler::registerBufferHelper(const BufferDesc& buffer)
		{
		// In order for the handles passed through HIDL and stored in the BufferDesc to
		// be lockable, we must register them with GraphicBufferMapper.
		// If the device upon which we're running supports gralloc1, we could just call
		// registerBuffer directly with the handle. But that call is broken for gralloc0 devices
		// (which we care about, at least for now). As a result, we have to synthesize a GraphicBuffer
		// object around the buffer handle in order to make a call to the overloaded alternate
		// version of the registerBuffer call that does happen to work on gralloc0 devices.
		#if REGISTER_BUFFER_ALWAYS_WORKS
		android::GraphicBufferMapper::get().registerBuffer(buffer.memHandle);
		#else
		android::sp<android::GraphicBuffer> pGfxBuff = new android::GraphicBuffer(
		buffer.width, buffer.height, buffer.format,
		1, /* we always use exactly one layer */
		buffer.usage, buffer.stride,
		const_cast<native_handle_t*>(buffer.memHandle.getNativeHandle()),
		false /* GraphicBuffer should not try to free the handle */
		);

		android::GraphicBufferMapper::get().registerBuffer(pGfxBuff.get());
		#endif
		}


		void FrameHandler::unregisterBufferHelper(const BufferDesc& buffer)
		{
		// Now tell GraphicBufferMapper we won't be using these handles anymore
		android::GraphicBufferMapper::get().unregisterBuffer(buffer.memHandle);
		}

automotive/evs/1.0/vts/functional/FrameHandler.h

+0 −2

Original line number	Diff line number	Diff line
		@@ -68,8 +68,6 @@ private:

		// Local implementation details
		bool copyBufferContents(const BufferDesc& tgtBuffer, const BufferDesc& srcBuffer);
		void registerBufferHelper(const BufferDesc& buffer);
		void unregisterBufferHelper(const BufferDesc& buffer);

		// Values initialized as startup
		android::sp <IEvsCamera> mCamera;

camera/device/1.0/Android.bp

+0 −2

Original line number	Diff line number	Diff line
		@@ -66,7 +66,6 @@ cc_library_shared {
		"libutils",
		"libcutils",
		"android.hardware.camera.common@1.0",
		"android.hardware.graphics.allocator@2.0",
		"android.hardware.graphics.common@1.0",
		"android.hidl.base@1.0",
		],
		@@ -76,7 +75,6 @@ cc_library_shared {
		"libhwbinder",
		"libutils",
		"android.hardware.camera.common@1.0",
		"android.hardware.graphics.allocator@2.0",
		"android.hardware.graphics.common@1.0",
		"android.hidl.base@1.0",
		],

camera/device/1.0/ICameraDevicePreviewCallback.hal

+1 −2

Original line number	Diff line number	Diff line
		@@ -17,7 +17,6 @@
		package android.hardware.camera.device@1.0;

		import android.hardware.camera.common@1.0::types;
		import android.hardware.graphics.allocator@2.0::types;
		import android.hardware.graphics.common@1.0::types;

		/**
		@@ -89,7 +88,7 @@ interface ICameraDevicePreviewCallback {
		*
		* @return Status The status code for this operation.
		*/
		setUsage(ProducerUsage usage) generates (Status status);
		setUsage(BufferUsage usage) generates (Status status);

		/**
		* Set the expected buffering mode for the preview output.

camera/device/1.0/default/CameraDevice.cpp

+2 −2

Original line number	Diff line number	Diff line
		@@ -30,7 +30,7 @@ namespace device {
		namespace V1_0 {
		namespace implementation {

		using ::android::hardware::graphics::allocator::V2_0::ProducerUsage;
		using ::android::hardware::graphics::common::V1_0::BufferUsage;
		using ::android::hardware::graphics::common::V1_0::PixelFormat;

		HandleImporter& CameraDevice::sHandleImporter = HandleImporter::getInstance();
		@@ -259,7 +259,7 @@ int CameraDevice::sSetUsage(struct preview_stream_ops* w, int usage) {
		}

		object->cleanUpCirculatingBuffers();
		return getStatusT(object->mPreviewCallback->setUsage((ProducerUsage) usage));
		return getStatusT(object->mPreviewCallback->setUsage((BufferUsage)usage));
		}

		int CameraDevice::sSetSwapInterval(struct preview_stream_ops *w, int interval) {