hwcomposer.h revision 0a0a41653d82552e601980c8793fcb07e3863044
15d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian/* 25d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * Copyright (C) 2010 The Android Open Source Project 35d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * 45d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * Licensed under the Apache License, Version 2.0 (the "License"); 55d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * you may not use this file except in compliance with the License. 65d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * You may obtain a copy of the License at 75d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * 85d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * http://www.apache.org/licenses/LICENSE-2.0 95d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * 105d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * Unless required by applicable law or agreed to in writing, software 115d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * distributed under the License is distributed on an "AS IS" BASIS, 125d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * See the License for the specific language governing permissions and 145d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * limitations under the License. 155d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian */ 165d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 175d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian#ifndef ANDROID_INCLUDE_HARDWARE_HWCOMPOSER_H 185d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian#define ANDROID_INCLUDE_HARDWARE_HWCOMPOSER_H 195d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 205d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian#include <stdint.h> 215d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian#include <sys/cdefs.h> 225d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 2345e2371cb954a8f8e0aee16d1ee8bec7eae9b897Louis Huemiller#include <hardware/gralloc.h> 245d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian#include <hardware/hardware.h> 255d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian#include <cutils/native_handle.h> 265d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 27e291f71e0a25ac9bb39fb754c599b710ab8f59d5Mathias Agopian#include <hardware/hwcomposer_defs.h> 28e291f71e0a25ac9bb39fb754c599b710ab8f59d5Mathias Agopian 295d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian__BEGIN_DECLS 305d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 315d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian/*****************************************************************************/ 32e99520400f228e45b1feff28eb4105b8e5599196Erik Gilling 33d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall/* for compatibility */ 34b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian#define HWC_MODULE_API_VERSION HWC_MODULE_API_VERSION_0_1 35b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian#define HWC_DEVICE_API_VERSION HWC_DEVICE_API_VERSION_0_1 3681c323dd54d5f0ea1e75ab392187608049b2326cMathias Agopian#define HWC_API_VERSION HWC_DEVICE_API_VERSION 37e99520400f228e45b1feff28eb4105b8e5599196Erik Gilling 38d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall/* Users of this header can define HWC_REMOVE_DEPRECATED_VERSIONS to test that 39d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * they still work with just the current version declared, before the 40d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * deprecated versions are actually removed. 41d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * 42d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * To find code that still depends on the old versions, set the #define to 1 43d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * here. Code that explicitly sets it to zero (rather than simply not defining 44d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * it) will still see the old versions. 45d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall */ 46d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall#if !defined(HWC_REMOVE_DEPRECATED_VERSIONS) 47d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall#define HWC_REMOVE_DEPRECATED_VERSIONS 0 48d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall#endif 49d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall 50d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall/*****************************************************************************/ 51d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall 525d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian/** 535d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * The id of this module 545d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian */ 555d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian#define HWC_HARDWARE_MODULE_ID "hwcomposer" 565d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 575d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian/** 585d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * Name of the sensors device to open 595d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian */ 605d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian#define HWC_HARDWARE_COMPOSER "composer" 615d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 625d3de309f44f6a72f2a46db792f3865088897039Mathias Agopiantypedef struct hwc_rect { 635d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian int left; 645d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian int top; 655d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian int right; 665d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian int bottom; 675d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian} hwc_rect_t; 685d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 695d3de309f44f6a72f2a46db792f3865088897039Mathias Agopiantypedef struct hwc_region { 705d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian size_t numRects; 715d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian hwc_rect_t const* rects; 725d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian} hwc_region_t; 735d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 74eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopiantypedef struct hwc_color { 75eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian uint8_t r; 76eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian uint8_t g; 77eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian uint8_t b; 78eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian uint8_t a; 79eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian} hwc_color_t; 80eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian 81d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Halltypedef struct hwc_layer_1 { 825d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian /* 83d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * Initially set to HWC_FRAMEBUFFER, HWC_BACKGROUND, or 84d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * HWC_FRAMEBUFFER_TARGET. 85d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * 86eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * HWC_FRAMEBUFFER 87d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * Indicates the layer will be drawn into the framebuffer 88d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * using OpenGL ES. The HWC can toggle this value to HWC_OVERLAY to 89d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * indicate it will handle the layer. 90eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * 91eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * HWC_BACKGROUND 92d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * Indicates this is a special "background" layer. The only valid field 93d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * is backgroundColor. The HWC can toggle this value to HWC_FRAMEBUFFER 94d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * to indicate it CANNOT handle the background color. 95d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * 96d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * HWC_FRAMEBUFFER_TARGET 97d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * Indicates this layer is the framebuffer surface used as the target of 98d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * OpenGL ES composition. If the HWC sets all other layers to HWC_OVERLAY 99d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * or HWC_BACKGROUND, then no OpenGL ES composition will be done, and 100d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * this layer should be ignored during set(); the HWC_SKIP_LAYER flag 101d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * will indicate this case. 102eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * 103d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * This flag (and the framebuffer surface layer) will only be used if the 104d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * HWC version is HWC_DEVICE_API_VERSION_1_1 or higher. In older versions, 105d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * the OpenGL ES target surface is communicated by the (dpy, sur) fields 106d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * in hwc_compositor_device_1_t. 1075d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian */ 1085d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian int32_t compositionType; 1095d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 1105d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian /* see hwc_layer_t::hints above */ 1115d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian uint32_t hints; 1125d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 1135d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian /* see hwc_layer_t::flags above */ 1145d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian uint32_t flags; 1155d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 116eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian union { 117eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian /* color of the background. hwc_color_t.a is ignored */ 118eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian hwc_color_t backgroundColor; 119eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian 120eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian struct { 121eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian /* handle of buffer to compose. This handle is guaranteed to have been 122eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * allocated from gralloc using the GRALLOC_USAGE_HW_COMPOSER usage flag. If 123eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * the layer's handle is unchanged across two consecutive prepare calls and 124eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * the HWC_GEOMETRY_CHANGED flag is not set for the second call then the 125eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * HWComposer implementation may assume that the contents of the buffer have 126eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * not changed. */ 127eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian buffer_handle_t handle; 128eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian 129eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian /* transformation to apply to the buffer during composition */ 130eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian uint32_t transform; 131eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian 132eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian /* blending to apply during composition */ 133eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian int32_t blending; 134eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian 135eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian /* area of the source to consider, the origin is the top-left corner of 136eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * the buffer */ 137eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian hwc_rect_t sourceCrop; 138eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian 139eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian /* where to composite the sourceCrop onto the display. The sourceCrop 140eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * is scaled using linear filtering to the displayFrame. The origin is the 141eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * top-left corner of the screen. 142eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian */ 143eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian hwc_rect_t displayFrame; 144eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian 145eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian /* visible region in screen space. The origin is the 146eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * top-left corner of the screen. 147eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * The visible region INCLUDES areas overlapped by a translucent layer. 148eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian */ 149eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian hwc_region_t visibleRegionScreen; 150d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall 151d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall /* Sync fence object that will be signaled when the buffer's 152d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * contents are available. May be -1 if the contents are already 153d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * available. This field is only valid during set(), and should be 154d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * ignored during prepare(). The set() call must not wait for the 155d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * fence to be signaled before returning, but the HWC must wait for 156d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * all buffers to be signaled before reading from them. 157d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * 1580a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * HWC_FRAMEBUFFER layers will never have an acquire fence, since 1590a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * reads from them are complete before the framebuffer is ready for 1600a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * display. 1610a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * 162d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * The HWC takes ownership of the acquireFenceFd and is responsible 163d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * for closing it when no longer needed. 164d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall */ 165d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall int acquireFenceFd; 166d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall 167d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall /* During set() the HWC must set this field to a file descriptor for 168d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * a sync fence object that will signal after the HWC has finished 169d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * reading from the buffer. The field is ignored by prepare(). Each 170d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * layer should have a unique file descriptor, even if more than one 171d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * refer to the same underlying fence object; this allows each to be 172d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * closed independently. 173d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * 174d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * If buffer reads can complete at significantly different times, 175d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * then using independent fences is preferred. For example, if the 176d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * HWC handles some layers with a blit engine and others with 177d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * overlays, then the blit layers can be reused immediately after 178d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * the blit completes, but the overlay layers can't be reused until 179d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * a subsequent frame has been displayed. 180d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * 1810a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * Since HWC doesn't read from HWC_FRAMEBUFFER layers, it shouldn't 1820a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * produce a release fence for them. The releaseFenceFd will be -1 1830a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * for these layers when set() is called. 1840a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * 185d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * The HWC client taks ownership of the releaseFenceFd and is 186d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * responsible for closing it when no longer needed. 187d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall */ 188d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall int releaseFenceFd; 189eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian }; 190eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian }; 1915d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 192d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall /* Allow for expansion w/o breaking binary compatibility. 193d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * Pad layer to 96 bytes, assuming 32-bit pointers. 194d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall */ 195d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall int32_t reserved[24 - 18]; 196d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall 197d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall} hwc_layer_1_t; 1985d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 199f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall/* This represents a display, typically an EGLDisplay object */ 200f9d6cd7dee62789b220033c926c87deab8991bdeJesse Halltypedef void* hwc_display_t; 201f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall 202f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall/* This represents a surface, typically an EGLSurface object */ 203f9d6cd7dee62789b220033c926c87deab8991bdeJesse Halltypedef void* hwc_surface_t; 204f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall 2055d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian/* 206f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * hwc_display_contents_1_t::flags values 2075d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian */ 2085d3de309f44f6a72f2a46db792f3865088897039Mathias Agopianenum { 2095d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian /* 2105d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * HWC_GEOMETRY_CHANGED is set by SurfaceFlinger to indicate that the list 211d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * passed to (*prepare)() has changed by more than just the buffer handles 212d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall * and acquire fences. 2135d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian */ 2145d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian HWC_GEOMETRY_CHANGED = 0x00000001, 2155d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian}; 2165d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 217871815b5f144048b63a18ef764f82e89394899faLouis Huemiller/* 218f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * Description of the contents to output on a display. 219f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * 220f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * This is the top-level structure passed to the prepare and set calls to 221f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * negotiate and commit the composition of a display image. 222871815b5f144048b63a18ef764f82e89394899faLouis Huemiller */ 223f9d6cd7dee62789b220033c926c87deab8991bdeJesse Halltypedef struct hwc_display_contents_1 { 224f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall /* File descriptor referring to a Sync HAL fence object which will signal 225f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * when this display image is no longer visible, i.e. when the following 226f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * set() takes effect. The fence object is created and returned by the set 227f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * call; this field will be -1 on entry to prepare and set. SurfaceFlinger 228f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * will close the returned file descriptor. 229f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall */ 230f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall int flipFenceFd; 231f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall 232d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall /* (dpy, sur) is the target of SurfaceFlinger's OpenGL ES composition for 233d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * HWC versions before HWC_DEVICE_VERSION_1_1. They aren't relevant to 234d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * prepare. The set call should commit this surface atomically to the 235d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * display along with any overlay layers. 236d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * 237d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * For HWC_DEVICE_VERSION_1_1 and later, these will always be set to 238d18c83fc044a5f1d74ebe59bea7763b75c4d00d7Jesse Hall * EGL_NO_DISPLAY and EGL_NO_SURFACE. 239f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall */ 240f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall hwc_display_t dpy; 241f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall hwc_surface_t sur; 242f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall 243f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall /* List of layers that will be composed on the display. The buffer handles 244ac3f7e195cadcf1f826340976a228fd5bbcdb807Jesse Hall * in the list will be unique. If numHwLayers is 0, all composition will be 245ac3f7e195cadcf1f826340976a228fd5bbcdb807Jesse Hall * performed by SurfaceFlinger. 246f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall */ 2475d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian uint32_t flags; 2485d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian size_t numHwLayers; 249d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall hwc_layer_1_t hwLayers[0]; 2505d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 251f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall} hwc_display_contents_1_t; 2525d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 253d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian/* see hwc_composer_device::registerProcs() 2540a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * All of the callbacks are required and non-NULL unless otherwise noted. 255d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian */ 256d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopiantypedef struct hwc_procs { 257d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian /* 258d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian * (*invalidate)() triggers a screen refresh, in particular prepare and set 259d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian * will be called shortly after this call is made. Note that there is 260d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian * NO GUARANTEE that the screen refresh will happen after invalidate() 261d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian * returns (in particular, it could happen before). 262d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian * invalidate() is GUARANTEED TO NOT CALL BACK into the h/w composer HAL and 263d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian * it is safe to call invalidate() from any of hwc_composer_device 264d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian * hooks, unless noted otherwise. 265d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian */ 2660a0a41653d82552e601980c8793fcb07e3863044Jesse Hall void (*invalidate)(const struct hwc_procs* procs); 267b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian 268b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian /* 269b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian * (*vsync)() is called by the h/w composer HAL when a vsync event is 270f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * received and HWC_EVENT_VSYNC is enabled on a display 271f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * (see: hwc_event_control). 272b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian * 273f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * the "dpy" parameter indicates which display the vsync event is for. 2746b7adef0ef38f568099eab38d6865f402c92235bJamie Gennis * the "timestamp" parameter is the system monotonic clock timestamp in 2756b7adef0ef38f568099eab38d6865f402c92235bJamie Gennis * nanosecond of when the vsync event happened. 276b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian * 277b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian * vsync() is GUARANTEED TO NOT CALL BACK into the h/w composer HAL. 278b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian * 279b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian * It is expected that vsync() is called from a thread of at least 280eb67160b995a504dd70a8f29d228ec837341eb07Mathias Agopian * HAL_PRIORITY_URGENT_DISPLAY with as little latency as possible, 281b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian * typically less than 0.5 ms. 282b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian * 2836d3fec70d86fe8e8fb71b233d2de727fee3f6f3fMathias Agopian * It is a (silent) error to have HWC_EVENT_VSYNC enabled when calling 2846d3fec70d86fe8e8fb71b233d2de727fee3f6f3fMathias Agopian * hwc_composer_device.set(..., 0, 0, 0) (screen off). The implementation 2856d3fec70d86fe8e8fb71b233d2de727fee3f6f3fMathias Agopian * can either stop or continue to process VSYNC events, but must not 2866d3fec70d86fe8e8fb71b233d2de727fee3f6f3fMathias Agopian * crash or cause other problems. 287b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian */ 2880a0a41653d82552e601980c8793fcb07e3863044Jesse Hall void (*vsync)(const struct hwc_procs* procs, int dpy, int64_t timestamp); 289d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian} hwc_procs_t; 290d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian 291d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian 292d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian/*****************************************************************************/ 2935d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 2945d3de309f44f6a72f2a46db792f3865088897039Mathias Agopiantypedef struct hwc_module { 2955d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian struct hw_module_t common; 2965d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian} hwc_module_t; 2975d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 298d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Halltypedef struct hwc_composer_device_1 { 2995d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian struct hw_device_t common; 3005d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 3015d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian /* 3025d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * (*prepare)() is called for each frame before composition and is used by 3035d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * SurfaceFlinger to determine what composition steps the HWC can handle. 3045d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * 3055d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * (*prepare)() can be called more than once, the last call prevails. 3065d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * 307f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * The HWC responds by setting the compositionType field in each layer to 308f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * either HWC_FRAMEBUFFER or HWC_OVERLAY. In the former case, the 309f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * composition for the layer is handled by SurfaceFlinger with OpenGL ES, 310f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * in the later case, the HWC will have to handle the layer's composition. 3115d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * 3125d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * (*prepare)() is called with HWC_GEOMETRY_CHANGED to indicate that the 3135d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * list's geometry has changed, that is, when more than just the buffer's 3145d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * handles have been updated. Typically this happens (but is not limited to) 3155d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * when a window is added, removed, resized or moved. 3165d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * 31743b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * For HWC 1.0, numDisplays will always be one, and displays[0] will be 31843b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * non-NULL. 31943b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * 32043b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * For HWC 1.1, numDisplays will always be HWC_NUM_DISPLAY_TYPES. Entries 32143b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * for unsupported or disabled/disconnected display types will be NULL. 32243b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * 32343b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * For HWC 1.2 and later, numDisplays will be HWC_NUM_DISPLAY_TYPES or more. 32443b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * The extra entries correspond to enabled virtual displays, and will be 32543b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * non-NULL. In HWC 1.2, support for one virtual display is required, and 32643b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * no more than one will be used. Future HWC versions might require more. 327ac3f7e195cadcf1f826340976a228fd5bbcdb807Jesse Hall * 3285d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * returns: 0 on success. An negative error code on error. If an error is 3295d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * returned, SurfaceFlinger will assume that none of the layer will be 3305d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * handled by the HWC. 3315d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian */ 332d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall int (*prepare)(struct hwc_composer_device_1 *dev, 333f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall size_t numDisplays, hwc_display_contents_1_t** displays); 3345d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 3355d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian /* 3365d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * (*set)() is used in place of eglSwapBuffers(), and assumes the same 3375d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * functionality, except it also commits the work list atomically with 3385d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * the actual eglSwapBuffers(). 3395d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * 340f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * The layer lists are guaranteed to be the same as the ones returned from 341f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * the last call to (*prepare)(). 3425d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * 343f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * When this call returns the caller assumes that the displays will be 344f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * updated in the near future with the content of their work lists, without 345f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * artifacts during the transition from the previous frame. 3465d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * 347ac3f7e195cadcf1f826340976a228fd5bbcdb807Jesse Hall * A display with zero layers indicates that the entire composition has 348ac3f7e195cadcf1f826340976a228fd5bbcdb807Jesse Hall * been handled by SurfaceFlinger with OpenGL ES. In this case, (*set)() 349ac3f7e195cadcf1f826340976a228fd5bbcdb807Jesse Hall * behaves just like eglSwapBuffers(). 3505d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * 35143b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * For HWC 1.0, numDisplays will always be one, and displays[0] will be 35243b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * non-NULL. 35343b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * 35443b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * For HWC 1.1, numDisplays will always be HWC_NUM_DISPLAY_TYPES. Entries 35543b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * for unsupported or disabled/disconnected display types will be NULL. 35643b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * 35743b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * For HWC 1.2 and later, numDisplays will be HWC_NUM_DISPLAY_TYPES or more. 35843b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * The extra entries correspond to enabled virtual displays, and will be 35943b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * non-NULL. In HWC 1.2, support for one virtual display is required, and 36043b51d9fdd7a447c9de7bf30960a1963c93ff5c3Jesse Hall * no more than one will be used. Future HWC versions might require more. 36171212e3fca328630aba1ebfa1299a8719b80f476Mathias Agopian * 362fb410365ca67d36d4c81d7826712c6a05437612fMathias Agopian * IMPORTANT NOTE: there is an implicit layer containing opaque black 363f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * pixels behind all the layers in the list. It is the responsibility of 364f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * the hwcomposer module to make sure black pixels are output (or blended 365f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall * from). 366fb410365ca67d36d4c81d7826712c6a05437612fMathias Agopian * 3675d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * returns: 0 on success. An negative error code on error: 3685d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * HWC_EGL_ERROR: eglGetError() will provide the proper error code 3695d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian * Another code for non EGL errors. 3705d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian */ 371d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall int (*set)(struct hwc_composer_device_1 *dev, 372f9d6cd7dee62789b220033c926c87deab8991bdeJesse Hall size_t numDisplays, hwc_display_contents_1_t** displays); 373d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall 374158549c89405186d9ecaefd3811cfae3949056eeErik Gilling /* 3750a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * eventControl(..., event, enabled) 3760a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * Enables or disables h/w composer events for a display. 377158549c89405186d9ecaefd3811cfae3949056eeErik Gilling * 3780a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * eventControl can be called from any thread and takes effect 3790a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * immediately. 3800a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * 3810a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * Supported events are: 3820a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * HWC_EVENT_VSYNC 3830a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * 3840a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * returns -EINVAL if the "event" parameter is not one of the value above 3850a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * or if the "enabled" parameter is not 0 or 1. 386158549c89405186d9ecaefd3811cfae3949056eeErik Gilling */ 3870a0a41653d82552e601980c8793fcb07e3863044Jesse Hall int (*eventControl)(struct hwc_composer_device_1* dev, int dpy, 3880a0a41653d82552e601980c8793fcb07e3863044Jesse Hall int event, int enabled); 3895d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 390d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian /* 3910a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * blank(..., blank) 3920a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * Blanks or unblanks a display's screen. 393d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian * 3940a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * Turns the screen off when blank is nonzero, on when blank is zero. 3950a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * Multiple sequential calls with the same blank value must be supported. 3960a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * The screen state transition must be be complete when the function 3970a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * returns. 398d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian * 3990a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * returns 0 on success, negative on error. 400d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian */ 4010a0a41653d82552e601980c8793fcb07e3863044Jesse Hall int (*blank)(struct hwc_composer_device_1* dev, int dpy, int blank); 402d6afef62ff8ea1fde3a060ac5c5d887c7523b359Mathias Agopian 403eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian /* 404eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * Used to retrieve information about the h/w composer 405eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * 406eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian * Returns 0 on success or -errno on error. 407eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian */ 408d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall int (*query)(struct hwc_composer_device_1* dev, int what, int* value); 409eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian 410b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian /* 4110a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * (*registerProcs)() registers callbacks that the h/w composer HAL can 4120a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * later use. It will be called immediately after the composer device is 4130a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * opened with non-NULL procs. It is FORBIDDEN to call any of the callbacks 4140a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * from within registerProcs(). registerProcs() must save the hwc_procs_t 4150a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * pointer which is needed when calling a registered callback. 416b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian */ 4170a0a41653d82552e601980c8793fcb07e3863044Jesse Hall void (*registerProcs)(struct hwc_composer_device_1* dev, 4180a0a41653d82552e601980c8793fcb07e3863044Jesse Hall hwc_procs_t const* procs); 419eb8fb508148d809166a30783a14e186fda0e31c9Mathias Agopian 420b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian /* 4210a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * This field is OPTIONAL and can be NULL. 4220a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * 4230a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * If non NULL it will be called by SurfaceFlinger on dumpsys 424b08d45dff634673e6dc5901a65f4c04bfdabf76eMathias Agopian */ 4250a0a41653d82552e601980c8793fcb07e3863044Jesse Hall void (*dump)(struct hwc_composer_device_1* dev, char *buff, int buff_len); 4260a0a41653d82552e601980c8793fcb07e3863044Jesse Hall 4270a0a41653d82552e601980c8793fcb07e3863044Jesse Hall /* 4280a0a41653d82552e601980c8793fcb07e3863044Jesse Hall * Reserved for future use. Must be NULL. 4290a0a41653d82552e601980c8793fcb07e3863044Jesse Hall */ 4300a0a41653d82552e601980c8793fcb07e3863044Jesse Hall void* reserved_proc[4]; 4315d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 432d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall} hwc_composer_device_1_t; 4335d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 4345d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian/** convenience API for opening and closing a device */ 4355d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 436d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hallstatic inline int hwc_open_1(const struct hw_module_t* module, 437d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall hwc_composer_device_1_t** device) { 4385d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian return module->methods->open(module, 4395d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian HWC_HARDWARE_COMPOSER, (struct hw_device_t**)device); 4405d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian} 4415d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 442d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hallstatic inline int hwc_close_1(hwc_composer_device_1_t* device) { 4435d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian return device->common.close(&device->common); 4445d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian} 4455d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 4465d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian/*****************************************************************************/ 4475d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 448d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall#if !HWC_REMOVE_DEPRECATED_VERSIONS 449d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall#include <hardware/hwcomposer_v0.h> 450d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall#endif 451d479ad22a0254fa0b5358fe82fa404e3e96c631aJesse Hall 4525d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian__END_DECLS 4535d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian 4545d3de309f44f6a72f2a46db792f3865088897039Mathias Agopian#endif /* ANDROID_INCLUDE_HARDWARE_HWCOMPOSER_H */ 455