175 lines
5.3 KiB
C++
175 lines
5.3 KiB
C++
/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_GUI_ISURFACE_COMPOSER_H
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#define ANDROID_GUI_ISURFACE_COMPOSER_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/RefBase.h>
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#include <utils/Errors.h>
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#include <binder/IInterface.h>
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#include <ui/PixelFormat.h>
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#include <gui/IGraphicBufferAlloc.h>
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#include <gui/ISurfaceComposerClient.h>
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namespace android {
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// ----------------------------------------------------------------------------
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class ComposerState;
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class IDisplayEventConnection;
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class IMemoryHeap;
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class ISurfaceComposer : public IInterface
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{
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public:
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DECLARE_META_INTERFACE(SurfaceComposer);
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enum { // (keep in sync with Surface.java)
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eHidden = 0x00000004,
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eDestroyBackbuffer = 0x00000020,
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eSecure = 0x00000080,
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eNonPremultiplied = 0x00000100,
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eOpaque = 0x00000400,
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eProtectedByApp = 0x00000800,
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eProtectedByDRM = 0x00001000,
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eFXSurfaceNormal = 0x00000000,
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eFXSurfaceBlur = 0x00010000,
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eFXSurfaceDim = 0x00020000,
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eFXSurfaceScreenshot= 0x00030000,
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eFXSurfaceMask = 0x000F0000,
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};
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enum {
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ePositionChanged = 0x00000001,
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eLayerChanged = 0x00000002,
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eSizeChanged = 0x00000004,
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eAlphaChanged = 0x00000008,
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eMatrixChanged = 0x00000010,
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eTransparentRegionChanged = 0x00000020,
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eVisibilityChanged = 0x00000040,
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eFreezeTintChanged = 0x00000080,
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};
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enum {
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eLayerHidden = 0x01,
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eLayerFrozen = 0x02,
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eLayerDither = 0x04,
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eLayerFilter = 0x08,
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eLayerBlurFreeze = 0x10
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};
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enum {
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eOrientationDefault = 0,
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eOrientation90 = 1,
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eOrientation180 = 2,
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eOrientation270 = 3,
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eOrientationUnchanged = 4,
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eOrientationSwapMask = 0x01
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};
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enum {
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eSynchronous = 0x01,
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};
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enum {
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eElectronBeamAnimationOn = 0x01,
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eElectronBeamAnimationOff = 0x10
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};
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/* create connection with surface flinger, requires
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* ACCESS_SURFACE_FLINGER permission
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*/
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virtual sp<ISurfaceComposerClient> createConnection() = 0;
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/* create a graphic buffer allocator
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*/
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virtual sp<IGraphicBufferAlloc> createGraphicBufferAlloc() = 0;
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/* retrieve the control block */
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virtual sp<IMemoryHeap> getCblk() const = 0;
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/* open/close transactions. requires ACCESS_SURFACE_FLINGER permission */
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virtual void setTransactionState(const Vector<ComposerState>& state,
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int orientation, uint32_t flags) = 0;
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/* signal that we're done booting.
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* Requires ACCESS_SURFACE_FLINGER permission
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*/
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virtual void bootFinished() = 0;
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/* Capture the specified screen. requires READ_FRAME_BUFFER permission
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* This function will fail if there is a secure window on screen.
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*/
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virtual status_t captureScreen(DisplayID dpy,
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sp<IMemoryHeap>* heap,
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uint32_t* width, uint32_t* height, PixelFormat* format,
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uint32_t reqWidth, uint32_t reqHeight,
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uint32_t minLayerZ, uint32_t maxLayerZ) = 0;
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/* triggers screen off animation */
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virtual status_t turnElectronBeamOff(int32_t mode) = 0;
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/* triggers screen on animation */
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virtual status_t turnElectronBeamOn(int32_t mode) = 0;
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/* verify that an ISurfaceTexture was created by SurfaceFlinger.
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*/
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virtual bool authenticateSurfaceTexture(
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const sp<ISurfaceTexture>& surface) const = 0;
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/* return an IDisplayEventConnection */
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virtual sp<IDisplayEventConnection> createDisplayEventConnection() = 0;
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};
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// ----------------------------------------------------------------------------
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class BnSurfaceComposer : public BnInterface<ISurfaceComposer>
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{
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public:
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enum {
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// Note: BOOT_FINISHED must remain this value, it is called from
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// Java by ActivityManagerService.
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BOOT_FINISHED = IBinder::FIRST_CALL_TRANSACTION,
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CREATE_CONNECTION,
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CREATE_GRAPHIC_BUFFER_ALLOC,
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GET_CBLK,
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SET_TRANSACTION_STATE,
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SET_ORIENTATION,
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CAPTURE_SCREEN,
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TURN_ELECTRON_BEAM_OFF,
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TURN_ELECTRON_BEAM_ON,
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AUTHENTICATE_SURFACE,
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CREATE_DISPLAY_EVENT_CONNECTION,
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};
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virtual status_t onTransact( uint32_t code,
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const Parcel& data,
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Parcel* reply,
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uint32_t flags = 0);
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};
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// ----------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_GUI_ISURFACE_COMPOSER_H
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