HAL interface for IGraphicBufferProducer V2 (95674af0) · Commits · e / os / android_hardware_interfaces

graphics/bufferqueue/2.0/Android.bp

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		// This file is autogenerated by hidl-gen -Landroidbp.

		hidl_interface {
		name: "android.hardware.graphics.bufferqueue@2.0",
		root: "android.hardware",
		vndk: {
		enabled: true,
		},
		srcs: [
		"types.hal",
		"IGraphicBufferProducer.hal",
		"IProducerListener.hal",
		],
		interfaces: [
		"android.hardware.graphics.common@1.0",
		"android.hardware.graphics.common@1.1",
		"android.hardware.graphics.common@1.2",
		"android.hidl.base@1.0",
		],
		types: [
		"ConnectionType",
		"SlotIndex",
		"Status",
		],
		gen_java: true,
		}

graphics/bufferqueue/2.0/IGraphicBufferProducer.hal

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graphics/bufferqueue/2.0/IProducerListener.hal

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		/*
		* Copyright (C) 2018 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.
		*/

		package android.hardware.graphics.bufferqueue@2.0;

		/**
		* Listener interface.
		*/
		interface IProducerListener {
		/**
		* Notifies the listener when buffers are released.
		*
		* This function is usually called by the consumer.
		*
		* @param count The number of buffers released (since the last call to
		* onBufferReleased()).
		*/
		oneway onBuffersReleased(uint32_t count);
		};

graphics/bufferqueue/2.0/types.hal

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		/*
		* Copyright (C) 2018 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.
		*/

		package android.hardware.graphics.bufferqueue@2.0;

		/**
		* Possible return values from a function call.
		*/
		enum Status : int32_t {
		/**
		* The call succeeds.
		*/
		OK = 0,
		/**
		* The function fails allocate memory.
		*/
		NO_MEMORY = -12,
		/**
		* The buffer queue has been abandoned, no consumer is connected, or no
		* producer is connected at the time of the call.
		*/
		NO_INIT = -19,
		/**
		* Some of the provided input arguments are invalid.
		*/
		BAD_VALUE = -22,
		/**
		* An unexpected death of some object prevents the operation from
		* continuing.
		*
		* @note This status value is different from a transaction failure, which
		* should be detected by isOk().
		*/
		DEAD_OBJECT = -32,
		/**
		* The internal state of the buffer queue does not permit the operation.
		*/
		INVALID_OPERATION = -38,
		/**
		* The call fails to finish within the specified time limit.
		*/
		TIMED_OUT = -110,
		/**
		* The buffer queue is operating in a non-blocking mode, but the call cannot
		* be completed without blocking.
		*/
		WOULD_BLOCK = 0xfffffffb,
		/**
		* The call fails because of a reason not listed above.
		*/
		UNKNOWN_ERROR = 0xffffffff,
		};

		/**
		* Special values for a slot index.
		*/
		enum SlotIndex : int32_t {
		/**
		* Invalid/unspecified slot index. This may be returned from a function that
		* returns a slot index if the call is unsuccessful.
		*/
		INVALID = -1,
		UNSPECIFIED = -1,
		};

		/**
		* An "empty" fence can be an empty handle (containing no fds and no ints) or a
		* fence with one fd that is equal to -1 and no ints.
		*
		* A valid fence is an empty fence or a native handle with exactly one fd and no
		* ints.
		*/
		typedef handle Fence;

		/**
		* How buffers shall be produced. One of these values must be provided in a call
		* to IGraphicBufferProducer::connect() and
		* IGraphicBufferProducer::disconnect().
		*/
		enum ConnectionType : int32_t {
		/**
		* This value can be used only as an input to
		* IGraphicBufferProducer::disconnect().
		*/
		CURRENTLY_CONNECTED = -1,
		/**
		* Buffers shall be queued by EGL via `eglSwapBuffers()` after being filled
		* using OpenGL ES.
		*/
		EGL = 1,
		/**
		* Buffers shall be queued after being filled using the CPU.
		*/
		CPU = 2,
		/**
		* Buffers shall be queued by Stagefright after being filled by a video
		* decoder. The video decoder can either be a software or hardware decoder.
		*/
		MEDIA = 3,
		/**
		* Buffers shall be queued by the camera HAL.
		*/
		CAMERA = 4,
		};

graphics/common/1.2/Android.bp

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		@@ -15,7 +15,9 @@ hidl_interface {
		"android.hardware.graphics.common@1.1",
		],
		types: [
		"ColorMode",
		"Dataspace",
		"HardwareBuffer",
		],
		gen_java: true,
		gen_java_constants: true,