1 /*
2  * Copyright (C) 2012 Intel Corporation.  All rights reserved.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17 
18 #ifndef __ISV_BUFMANAGER_H
19 #define __ISV_BUFMANAGER_H
20 
21 #include <utils/RefBase.h>
22 #include <utils/Mutex.h>
23 #include <utils/Errors.h>
24 #include <utils/Vector.h>
25 #include "isv_worker.h"
26 #ifndef TARGET_VPP_USE_GEN
27 #include "hal_public.h"
28 #endif
29 
30 using namespace android;
31 
32 #define ISV_BUFFER_MANAGER_DEBUG 0
33 
34 class ISVWorker;
35 
36 class ISVBuffer
37 {
38 public:
39     typedef enum {
40         ISV_BUFFER_GRALLOC,
41         ISV_BUFFER_METADATA,
42     } ISV_BUFFERTYPE;
43 
44     typedef enum {
45         ISV_BUFFER_NEED_CLEAR       = 0x00000001,
46         ISV_BUFFER_CROP_CHANGED     = 0x00000002,
47     } ISV_BUFFERFLAG;
48 private:
49     //FIX ME: copy from ufo gralloc.h
50     typedef struct _ufo_buffer_details_t
51     {
52         int width;       // \see alloc_device_t::alloc
53         int height;      // \see alloc_device_t::alloc
54         int format;      // \see alloc_device_t::alloc
55         int usage;       // \see alloc_device_t::alloc
56         int name;        // flink
57         uint32_t fb;     // framebuffer id
58         int drmformat;   // drm format
59         int pitch;       // buffer pitch (in bytes)
60         int size;        // buffer size (in bytes)
61         int allocWidth;  // allocated buffer width in pixels.
62         int allocHeight; // allocated buffer height in lines.
63         int allocOffsetX;// horizontal pixel offset to content origin within allocated buffer.
64         int allocOffsetY;// vertical line offset to content origin within allocated buffer.
65     } ufo_buffer_details_t;
66 
67     enum
68     {
69         INTEL_UFO_GRALLOC_MODULE_PERFORM_GET_BO_INFO = 6 // (buffer_handle_t, buffer_info_t*)
70     };
71 
72 public:
ISVBuffer(sp<ISVWorker> worker,unsigned long buffer,unsigned long grallocHandle,uint32_t width,uint32_t height,uint32_t stride,uint32_t colorFormat,ISV_BUFFERTYPE type,uint32_t flag)73     ISVBuffer(sp<ISVWorker> worker,
74             unsigned long buffer, unsigned long grallocHandle,
75             uint32_t width, uint32_t height,
76             uint32_t stride, uint32_t colorFormat,
77             ISV_BUFFERTYPE type, uint32_t flag)
78         :mWorker(worker),
79         mBuffer(buffer),
80         mGrallocHandle(grallocHandle),
81         mWidth(width),
82         mHeight(height),
83         mSurfaceHeight(0),
84         mStride(stride),
85         mColorFormat(colorFormat),
86         mType(type),
87         mSurface(-1),
88         mFlags(flag),
89         mpGralloc(NULL) {}
90 
ISVBuffer(sp<ISVWorker> worker,unsigned long buffer,ISV_BUFFERTYPE type,uint32_t flag)91     ISVBuffer(sp<ISVWorker> worker,
92             unsigned long buffer,
93             ISV_BUFFERTYPE type,
94             uint32_t flag)
95         :mWorker(worker),
96         mBuffer(buffer),
97         mGrallocHandle(0),
98         mWidth(0),
99         mHeight(0),
100         mSurfaceHeight(0),
101         mStride(0),
102         mColorFormat(0),
103         mType(type),
104         mSurface(-1),
105         mFlags(flag),
106         mpGralloc(NULL) {}
107 
108     ~ISVBuffer();
109 
110     // init buffer info
111     // FIXME: hackFormat is for VP9, should be removed in future
112     status_t initBufferInfo(uint32_t hackFormat);
113 
114     // get va surface
getSurface()115     int32_t getSurface() { return mSurface; }
116     // get buffer handle
getHandle()117     unsigned long getHandle() { return mBuffer; }
118     // set/clear/get flag
getFlags()119     uint32_t getFlags() { return mFlags; }
setFlag(uint32_t flag)120     void setFlag(uint32_t flag) { mFlags |= flag; return; }
unsetFlag(uint32_t flag)121     void unsetFlag(uint32_t flag) { mFlags &= ~flag; return; }
122     status_t clearIfNeed();
123 
124 private:
125 
126     sp<ISVWorker> mWorker;
127     unsigned long mBuffer;
128     unsigned long mGrallocHandle;
129     uint32_t mWidth;
130     uint32_t mHeight;
131     uint32_t mSurfaceHeight;
132     uint32_t mStride;
133     uint32_t mColorFormat;
134     ISV_BUFFERTYPE mType;
135     int32_t mSurface;
136     uint32_t mFlags;
137     gralloc_module_t* mpGralloc;
138 };
139 
140 class ISVBufferManager: public RefBase
141 {
142 public:
ISVBufferManager()143     ISVBufferManager()
144         :mWorker(NULL),
145         mMetaDataMode(false),
146         mNeedClearBuffers(false) {}
147 
~ISVBufferManager()148     ~ISVBufferManager() {}
149     // set mBuffers size
150     status_t setBufferCount(int32_t size);
151 
152     // register/unregister ISVBuffers to mBuffers
153     status_t useBuffer(const sp<ANativeWindowBuffer> nativeBuffer);
154     status_t useBuffer(unsigned long handle);
155     status_t freeBuffer(unsigned long handle);
156 
157     // Map to ISVBuffer
158     ISVBuffer* mapBuffer(unsigned long handle);
159     // set isv worker
setWorker(sp<ISVWorker> worker)160     void setWorker(sp<ISVWorker> worker) { mWorker = worker; }
setMetaDataMode(bool metaDataMode)161     void setMetaDataMode(bool metaDataMode) { mMetaDataMode = metaDataMode; }
162     // set buffer flag.
163     status_t setBuffersFlag(uint32_t flag);
164 private:
165     typedef enum {
166         GRALLOC_BUFFER_MODE = 0,
167         META_DATA_MODE = 1,
168     } ISV_WORK_MODE;
169 
170     sp<ISVWorker> mWorker;
171     bool mMetaDataMode;
172     // VPP buffer queue
173     Vector<ISVBuffer*> mBuffers;
174     Mutex mBufferLock; // to protect access to mBuffers
175     bool mNeedClearBuffers;
176 };
177 
178 
179 #endif //#define __ISV_BUFMANAGER_H
180