am 1ffc0e7a: am 35ffa6a8: Surface can now be created only from an IGraphicBufferProducer (74620c55) · Commits · e / os / android_frameworks_native

include/gui/Surface.h

+0 −11

Original line number	Diff line number	Diff line
		@@ -76,24 +76,13 @@ public:
		return surface != NULL && surface->getIGraphicBufferProducer() != NULL;
		}

		/* writes the given Surface into a Parcel */
		static status_t writeToParcel(const sp<Surface>& surface, Parcel* parcel);

		/* constructs a Surface from a Parcel. see Surface::writeToParcel()
		* and SurfaceControl::writeToParcel() */
		static sp<Surface> readFromParcel(const Parcel& data);


		protected:
		Surface();
		virtual ~Surface();
		void setIGraphicBufferProducer(const sp<IGraphicBufferProducer>& bufferProducer);

		private:
		// can't be copied
		Surface& operator = (const Surface& rhs);
		Surface(const Surface& rhs);
		void init();

		// ANativeWindow hooks
		static int hook_cancelBuffer(ANativeWindow* window,

libs/gui/Surface.cpp

+5 −36

Original line number	Diff line number	Diff line
		@@ -38,22 +38,8 @@ namespace android {

		Surface::Surface(
		const sp<IGraphicBufferProducer>& bufferProducer)
		: mGraphicBufferProducer(bufferProducer)
		{
		Surface::init();
		Surface::setIGraphicBufferProducer(bufferProducer);
		}

		Surface::Surface() {
		Surface::init();
		}

		Surface::~Surface() {
		if (mConnectedToCpu) {
		Surface::disconnect(NATIVE_WINDOW_API_CPU);
		}
		}

		void Surface::init() {
		// Initialize the ANativeWindow function pointers.
		ANativeWindow::setSwapInterval = hook_setSwapInterval;
		ANativeWindow::dequeueBuffer = hook_dequeueBuffer;
		@@ -87,10 +73,10 @@ void Surface::init() {
		mConnectedToCpu = false;
		}

		void Surface::setIGraphicBufferProducer(
		const sp<IGraphicBufferProducer>& bufferProducer)
		{
		mGraphicBufferProducer = bufferProducer;
		Surface::~Surface() {
		if (mConnectedToCpu) {
		Surface::disconnect(NATIVE_WINDOW_API_CPU);
		}
		}

		sp<IGraphicBufferProducer> Surface::getIGraphicBufferProducer() const {
		@@ -723,23 +709,6 @@ static status_t copyBlt(

		// ----------------------------------------------------------------------------

		status_t Surface::writeToParcel(
		const sp<Surface>& surface, Parcel* parcel) {
		sp<IGraphicBufferProducer> bp;
		if (surface != NULL) {
		bp = surface->mGraphicBufferProducer;
		}
		return parcel->writeStrongBinder(bp->asBinder());
		}

		sp<Surface> Surface::readFromParcel(const Parcel& data) {
		sp<IBinder> binder(data.readStrongBinder());
		sp<IGraphicBufferProducer> bp(interface_cast<IGraphicBufferProducer>(binder));
		return bp != NULL ? new Surface(bp): NULL;
		}

		// ----------------------------------------------------------------------------

		status_t Surface::lock(
		ANativeWindow_Buffer* outBuffer, ARect* inOutDirtyBounds)
		{

services/surfaceflinger/tests/surface/Android.mk

deleted100644 → 0

+0 −18

Original line number	Diff line number	Diff line
		LOCAL_PATH:= $(call my-dir)
		include $(CLEAR_VARS)

		LOCAL_SRC_FILES:= \
		surface.cpp

		LOCAL_SHARED_LIBRARIES := \
		libcutils \
		libutils \
		libbinder \
		libui \
		libgui

		LOCAL_MODULE:= test-surface

		LOCAL_MODULE_TAGS := tests

		include $(BUILD_EXECUTABLE)

services/surfaceflinger/tests/surface/surface.cpp

deleted100644 → 0

+0 −66

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2010 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		#include <cutils/memory.h>

		#include <utils/Log.h>

		#include <binder/IPCThreadState.h>
		#include <binder/ProcessState.h>
		#include <binder/IServiceManager.h>

		#include <gui/Surface.h>
		#include <gui/SurfaceComposerClient.h>

		using namespace android;

		int main(int argc, char** argv)
		{
		// set up the thread-pool
		sp<ProcessState> proc(ProcessState::self());
		ProcessState::self()->startThreadPool();

		// create a client to surfaceflinger
		sp<SurfaceComposerClient> client = new SurfaceComposerClient();

		sp<SurfaceControl> surfaceControl = client->createSurface(
		String8("surface"), 160, 240, PIXEL_FORMAT_RGB_565, 0);
		SurfaceComposerClient::openGlobalTransaction();
		surfaceControl->setLayer(100000);
		SurfaceComposerClient::closeGlobalTransaction();

		// pretend it went cross-process
		Parcel parcel;
		SurfaceControl::writeSurfaceToParcel(surfaceControl, &parcel);
		parcel.setDataPosition(0);
		sp<Surface> surface = Surface::readFromParcel(parcel);
		ANativeWindow* window = surface.get();

		printf("window=%p\n", window);

		int err = native_window_set_buffer_count(window, 8);
		ANativeWindowBuffer* buffer;

		for (int i=0 ; i<8 ; i++) {
		window->dequeueBuffer(window, &buffer);
		printf("buffer %d: %p\n", i, buffer);
		}

		printf("test complete. CTRL+C to finish.\n");

		IPCThreadState::self()->joinThreadPool();
		return 0;
		}