108 lines
2.9 KiB
C++
108 lines
2.9 KiB
C++
/*
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* Copyright (C) 2007 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_ISURFACE_H
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#define ANDROID_ISURFACE_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/Errors.h>
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#include <utils/IInterface.h>
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#include <utils/RefBase.h>
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#include <ui/PixelFormat.h>
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#include <hardware/hardware.h>
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#include <hardware/gralloc.h>
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namespace android {
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typedef int32_t SurfaceID;
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class IMemoryHeap;
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class OverlayRef;
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class SurfaceBuffer;
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class ISurface : public IInterface
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{
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protected:
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enum {
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REGISTER_BUFFERS = IBinder::FIRST_CALL_TRANSACTION,
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UNREGISTER_BUFFERS,
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POST_BUFFER, // one-way transaction
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CREATE_OVERLAY,
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GET_BUFFER,
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};
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public:
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DECLARE_META_INTERFACE(Surface);
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virtual sp<SurfaceBuffer> getBuffer() = 0;
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class BufferHeap {
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public:
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enum {
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/* rotate source image 90 degrees */
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ROT_90 = HAL_TRANSFORM_ROT_90,
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};
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BufferHeap();
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BufferHeap(uint32_t w, uint32_t h,
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int32_t hor_stride, int32_t ver_stride,
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PixelFormat format, const sp<IMemoryHeap>& heap);
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BufferHeap(uint32_t w, uint32_t h,
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int32_t hor_stride, int32_t ver_stride,
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PixelFormat format, uint32_t transform, uint32_t flags,
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const sp<IMemoryHeap>& heap);
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~BufferHeap();
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uint32_t w;
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uint32_t h;
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int32_t hor_stride;
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int32_t ver_stride;
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PixelFormat format;
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uint32_t transform;
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uint32_t flags;
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sp<IMemoryHeap> heap;
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};
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virtual status_t registerBuffers(const BufferHeap& buffers) = 0;
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virtual void postBuffer(ssize_t offset) = 0; // one-way
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virtual void unregisterBuffers() = 0;
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virtual sp<OverlayRef> createOverlay(
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uint32_t w, uint32_t h, int32_t format) = 0;
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};
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// ----------------------------------------------------------------------------
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class BnSurface : public BnInterface<ISurface>
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{
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public:
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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_ISURFACE_H
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