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author | Mathias Agopian <mathias@google.com> | 2009-10-05 18:19:57 -0700 |
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committer | Mathias Agopian <mathias@google.com> | 2009-10-06 17:00:25 -0700 |
commit | b26af23744fa73e8bc142b1eb98772fde5970c10 (patch) | |
tree | 51dd9ca00309a247d0f25b4338539d334be16b2f /include | |
parent | 3330b203039dea366d4981db1408a460134b2d2c (diff) | |
download | frameworks_native-b26af23744fa73e8bc142b1eb98772fde5970c10.zip frameworks_native-b26af23744fa73e8bc142b1eb98772fde5970c10.tar.gz frameworks_native-b26af23744fa73e8bc142b1eb98772fde5970c10.tar.bz2 |
fix [2168531] have software-only gralloc buffer side-step the HAL
Diffstat (limited to 'include')
-rw-r--r-- | include/private/ui/sw_gralloc_handle.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/include/private/ui/sw_gralloc_handle.h b/include/private/ui/sw_gralloc_handle.h new file mode 100644 index 0000000..b3d333e --- /dev/null +++ b/include/private/ui/sw_gralloc_handle.h @@ -0,0 +1,83 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_UI_PRIVATE_SW_GRALLOC_HANDLE_H +#define ANDROID_UI_PRIVATE_SW_GRALLOC_HANDLE_H + +#include <stdint.h> +#include <limits.h> +#include <sys/cdefs.h> +#include <hardware/gralloc.h> +#include <errno.h> + +#include <cutils/native_handle.h> + +namespace android { + +/*****************************************************************************/ + +struct sw_gralloc_handle_t : public native_handle +{ + // file-descriptors + int fd; + // ints + int magic; + int size; + int base; + int prot; + int pid; + + static const int sNumInts = 5; + static const int sNumFds = 1; + static const int sMagic = '_sgh'; + + sw_gralloc_handle_t() : + fd(-1), magic(sMagic), size(0), base(0), prot(0), pid(getpid()) + { + version = sizeof(native_handle); + numInts = sNumInts; + numFds = sNumFds; + } + ~sw_gralloc_handle_t() { + magic = 0; + } + + static int validate(const native_handle* h) { + const sw_gralloc_handle_t* hnd = (const sw_gralloc_handle_t*)h; + if (!h || h->version != sizeof(native_handle) || + h->numInts != sNumInts || h->numFds != sNumFds || + hnd->magic != sMagic) + { + return -EINVAL; + } + return 0; + } + + static status_t alloc(uint32_t w, uint32_t h, int format, + int usage, buffer_handle_t* handle, int32_t* stride); + static status_t free(sw_gralloc_handle_t* hnd); + static status_t registerBuffer(sw_gralloc_handle_t* hnd); + static status_t unregisterBuffer(sw_gralloc_handle_t* hnd); + static status_t lock(sw_gralloc_handle_t* hnd, int usage, + int l, int t, int w, int h, void** vaddr); + static status_t unlock(sw_gralloc_handle_t* hnd); +}; + +/*****************************************************************************/ + +}; // namespace android + +#endif /* ANDROID_UI_PRIVATE_SW_GRALLOC_HANDLE_H */ |