From 2ec32d4f949f04d0006fff50065c904626c2e581 Mon Sep 17 00:00:00 2001 From: Chia-I Wu Date: Sun, 12 Jun 2011 16:21:30 +0800 Subject: initial commit --- gralloc_drm_handle.h | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 gralloc_drm_handle.h (limited to 'gralloc_drm_handle.h') diff --git a/gralloc_drm_handle.h b/gralloc_drm_handle.h new file mode 100644 index 0000000..343ace0 --- /dev/null +++ b/gralloc_drm_handle.h @@ -0,0 +1,63 @@ +/* + * Copyright (C) 2010-2011 Chia-I Wu + * Copyright (C) 2010-2011 LunarG Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef _GRALLOC_DRM_HANDLE_H_ +#define _GRALLOC_DRM_HANDLE_H_ + +#include + +struct gralloc_drm_handle_t { + native_handle_t base; + +#define GRALLOC_DRM_HANDLE_MAGIC 0x12345678 +#define GRALLOC_DRM_HANDLE_NUM_INTS 9 +#define GRALLOC_DRM_HANDLE_NUM_FDS 0 + int magic; + + int width; + int height; + int format; + int usage; + + int name; /* the name of the bo */ + int stride; /* the stride in bytes */ + + int data_owner; /* owner of data (for validation) */ + int data; /* pointer to struct gralloc_drm_bo_t */ +}; + +static inline struct gralloc_drm_handle_t *gralloc_drm_handle(buffer_handle_t _handle) +{ + struct gralloc_drm_handle_t *handle = + (struct gralloc_drm_handle_t *) _handle; + + if (handle->base.version != sizeof(handle->base) || + handle->base.numInts != GRALLOC_DRM_HANDLE_NUM_INTS || + handle->base.numFds != GRALLOC_DRM_HANDLE_NUM_FDS || + handle->magic != GRALLOC_DRM_HANDLE_MAGIC) + handle = NULL; + + return handle; +} + +#endif /* _GRALLOC_DRM_HANDLE_H_ */ -- cgit v1.1