1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/gonk/nativewindow/GonkNativeWindowClientICS.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,136 @@
1.4 +/*
1.5 + * Copyright (C) 2010 The Android Open Source Project
1.6 + * Copyright (C) 2012 Mozilla Foundation
1.7 + *
1.8 + * Licensed under the Apache License, Version 2.0 (the "License");
1.9 + * you may not use this file except in compliance with the License.
1.10 + * You may obtain a copy of the License at
1.11 + *
1.12 + * http://www.apache.org/licenses/LICENSE-2.0
1.13 + *
1.14 + * Unless required by applicable law or agreed to in writing, software
1.15 + * distributed under the License is distributed on an "AS IS" BASIS,
1.16 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1.17 + * See the License for the specific language governing permissions and
1.18 + * limitations under the License.
1.19 + */
1.20 +
1.21 +#ifndef NATIVEWINDOW_GONKNATIVEWINDOWCLIENT_ICS_H
1.22 +#define NATIVEWINDOW_GONKNATIVEWINDOWCLIENT_ICS_H
1.23 +
1.24 +#include <ui/egl/android_natives.h>
1.25 +
1.26 +#include "GonkNativeWindow.h"
1.27 +
1.28 +namespace android {
1.29 +
1.30 +class GonkNativeWindowClient : public EGLNativeBase<ANativeWindow, GonkNativeWindowClient, RefBase>
1.31 +{
1.32 +public:
1.33 + GonkNativeWindowClient(const sp<GonkNativeWindow>& window);
1.34 + ~GonkNativeWindowClient(); // this class cannot be overloaded
1.35 +
1.36 +private:
1.37 + void init();
1.38 +
1.39 + // ANativeWindow hooks
1.40 + static int hook_cancelBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer);
1.41 + static int hook_dequeueBuffer(ANativeWindow* window, ANativeWindowBuffer** buffer);
1.42 + static int hook_lockBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer);
1.43 + static int hook_perform(ANativeWindow* window, int operation, ...);
1.44 + static int hook_query(const ANativeWindow* window, int what, int* value);
1.45 + static int hook_queueBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer);
1.46 + static int hook_setSwapInterval(ANativeWindow* window, int interval);
1.47 +
1.48 + int dispatchConnect(va_list args);
1.49 + int dispatchDisconnect(va_list args);
1.50 + int dispatchSetBufferCount(va_list args);
1.51 + int dispatchSetBuffersGeometry(va_list args);
1.52 + int dispatchSetBuffersDimensions(va_list args);
1.53 + int dispatchSetBuffersFormat(va_list args);
1.54 + int dispatchSetBuffersTimestamp(va_list args);
1.55 + int dispatchSetUsage(va_list args);
1.56 +
1.57 +protected:
1.58 + virtual int cancelBuffer(ANativeWindowBuffer* buffer);
1.59 + virtual int dequeueBuffer(ANativeWindowBuffer** buffer);
1.60 + virtual int lockBuffer(ANativeWindowBuffer* buffer);
1.61 + virtual int perform(int operation, va_list args);
1.62 + virtual int query(int what, int* value) const;
1.63 + virtual int queueBuffer(ANativeWindowBuffer* buffer);
1.64 + virtual int setSwapInterval(int interval);
1.65 +
1.66 + virtual int connect(int api);
1.67 + virtual int disconnect(int api);
1.68 + virtual int setBufferCount(int bufferCount);
1.69 + virtual int setBuffersDimensions(int w, int h);
1.70 + virtual int setBuffersFormat(int format);
1.71 + virtual int setBuffersTimestamp(int64_t timestamp);
1.72 + virtual int setUsage(uint32_t reqUsage);
1.73 +
1.74 + int getNumberOfArgsForOperation(int operation);
1.75 +
1.76 + enum { MIN_UNDEQUEUED_BUFFERS = GonkNativeWindow::MIN_UNDEQUEUED_BUFFERS };
1.77 + enum { NUM_BUFFER_SLOTS = GonkNativeWindow::NUM_BUFFER_SLOTS };
1.78 + enum { DEFAULT_FORMAT = PIXEL_FORMAT_RGBA_8888 };
1.79 + enum { NATIVE_WINDOW_SET_BUFFERS_SIZE = 0x10000000 };
1.80 +
1.81 +private:
1.82 + void freeAllBuffers();
1.83 + int getSlotFromBufferLocked(android_native_buffer_t* buffer) const;
1.84 +
1.85 + sp<GonkNativeWindow> mNativeWindow;
1.86 +
1.87 + // mSlots stores the buffers that have been allocated for each buffer slot.
1.88 + // It is initialized to null pointers, and gets filled in with the result of
1.89 + // ISurfaceTexture::requestBuffer when the client dequeues a buffer from a
1.90 + // slot that has not yet been used. The buffer allocated to a slot will also
1.91 + // be replaced if the requested buffer usage or geometry differs from that
1.92 + // of the buffer allocated to a slot.
1.93 + sp<GraphicBuffer> mSlots[NUM_BUFFER_SLOTS];
1.94 +
1.95 + // mReqWidth is the buffer width that will be requested at the next dequeue
1.96 + // operation. It is initialized to 1.
1.97 + uint32_t mReqWidth;
1.98 +
1.99 + // mReqHeight is the buffer height that will be requested at the next deuque
1.100 + // operation. It is initialized to 1.
1.101 + uint32_t mReqHeight;
1.102 +
1.103 + // mReqFormat is the buffer pixel format that will be requested at the next
1.104 + // deuque operation. It is initialized to PIXEL_FORMAT_RGBA_8888.
1.105 + uint32_t mReqFormat;
1.106 +
1.107 + // mReqUsage is the set of buffer usage flags that will be requested
1.108 + // at the next deuque operation. It is initialized to 0.
1.109 + uint32_t mReqUsage;
1.110 +
1.111 + // mTimestamp is the timestamp that will be used for the next buffer queue
1.112 + // operation. It defaults to NATIVE_WINDOW_TIMESTAMP_AUTO, which means that
1.113 + // a timestamp is auto-generated when queueBuffer is called.
1.114 + int64_t mTimestamp;
1.115 +
1.116 + // mDefaultWidth is default width of the window, regardless of the
1.117 + // native_window_set_buffers_dimensions call
1.118 + uint32_t mDefaultWidth;
1.119 +
1.120 + // mDefaultHeight is default width of the window, regardless of the
1.121 + // native_window_set_buffers_dimensions call
1.122 + uint32_t mDefaultHeight;
1.123 +
1.124 + // mTransformHint is the transform probably applied to buffers of this
1.125 + // window. this is only a hint, actual transform may differ.
1.126 + uint32_t mTransformHint;
1.127 +
1.128 + // mMutex is the mutex used to prevent concurrent access to the member
1.129 + // variables of GonkNativeWindow objects. It must be locked whenever the
1.130 + // member variables are accessed.
1.131 + mutable Mutex mMutex;
1.132 +
1.133 + bool mConnectedToCpu;
1.134 +};
1.135 +
1.136 +
1.137 +}; // namespace android
1.138 +
1.139 +#endif // NATIVEWINDOW_GONKNATIVEWINDOWCLIENT_ICS_H
