1 /*
2 * Copyright 2011 The Android Open Source Project
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 #ifndef SYSTEM_HALS_CB_HANDLE_30_H
18 #define SYSTEM_HALS_CB_HANDLE_30_H
19 
20 #include <gralloc_cb_bp.h>
21 #include "goldfish_address_space.h"
22 
23 const uint32_t CB_HANDLE_MAGIC_30 = CB_HANDLE_MAGIC_BASE | 0x2;
24 
25 struct cb_handle_30_t : public cb_handle_t {
cb_handle_30_tcb_handle_30_t26     cb_handle_30_t(address_space_handle_t p_bufferFd,
27                    QEMU_PIPE_HANDLE p_hostHandleRefCountFd,
28                    uint32_t p_hostHandle,
29                    int32_t p_usage,
30                    int32_t p_width,
31                    int32_t p_height,
32                    int32_t p_format,
33                    int32_t p_glFormat,
34                    int32_t p_glType,
35                    uint32_t p_bufSize,
36                    void* p_bufPtr,
37                    uint32_t p_mmapedSize,
38                    uint64_t p_mmapedOffset,
39                    uint32_t p_bytesPerPixel,
40                    uint32_t p_stride)
41             : cb_handle_t(p_bufferFd,
42                           p_hostHandleRefCountFd,
43                           CB_HANDLE_MAGIC_30,
44                           p_hostHandle,
45                           p_usage,
46                           p_width,
47                           p_height,
48                           p_format,
49                           p_glFormat,
50                           p_glType,
51                           p_bufSize,
52                           p_bufPtr,
53                           p_mmapedOffset),
54               mmapedSize(p_mmapedSize),
55               bytesPerPixel(p_bytesPerPixel),
56               stride(p_stride) {
57         numInts = CB_HANDLE_NUM_INTS(numFds);
58     }
59 
isValidcb_handle_30_t60     bool isValid() const { return (version == sizeof(native_handle_t)) && (magic == CB_HANDLE_MAGIC_30); }
61 
fromcb_handle_30_t62     static cb_handle_30_t* from(void* p) {
63         if (!p) { return nullptr; }
64         cb_handle_30_t* cb = static_cast<cb_handle_30_t*>(p);
65         return cb->isValid() ? cb : nullptr;
66     }
67 
fromcb_handle_30_t68     static const cb_handle_30_t* from(const void* p) {
69         return from(const_cast<void*>(p));
70     }
71 
from_unconstcb_handle_30_t72     static cb_handle_30_t* from_unconst(const void* p) {
73         return from(const_cast<void*>(p));
74     }
75 
76     uint32_t mmapedSize;            // real allocation side
77     uint32_t bytesPerPixel;
78     uint32_t stride;
79 };
80 
81 #endif // SYSTEM_HALS_CB_HANDLE_30_H
82