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android: Add version variable to gralloc_handle_t 

The version variable will be used for versioning of this
struct and the corresponding accessor functions.

Signed-off-by: Robert Foss <robert.foss@collabora.com>
Reviewed-by: Rob Herring <robh@kernel.org>
main
Robert Foss 2018-01-16 14:36:13 +01:00
parent a4b6fd651f
commit 76cd0af399
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GPG Key ID: B79A0B6A11EEF727
1 changed files with 7 additions and 1 deletions
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8
android/gralloc_handle.h
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@ -27,6 +27,7 @@
#define __ANDROID_GRALLOC_HANDLE_H__
#include <cutils/native_handle.h>
#include <stdint.h>
/* support users of drm_gralloc/gbm_gralloc */
#define gralloc_gbm_handle_t gralloc_handle_t
@ -49,7 +50,9 @@ struct gralloc_handle_t {
*/
int prime_fd;
/* api variables */
int magic; /* differentiate between allocator impls */
const uint32_t version; /* api version */
int width; /* width of buffer in pixels */
int height; /* height of buffer in pixels */
@ -67,6 +70,7 @@ struct gralloc_handle_t {
} __attribute__((aligned(8)));
};
#define GRALLOC_HANDLE_VERSION 1
#define GRALLOC_HANDLE_MAGIC 0x60585350
#define GRALLOC_HANDLE_NUM_FDS 1
#define GRALLOC_HANDLE_NUM_INTS ( \
@ -79,7 +83,9 @@ struct gralloc_handle_t {
static struct gralloc_handle_t gralloc_handle_create(int width, int height,
int format, int usage)
{
struct gralloc_handle_t handle = { .magic = GRALLOC_HANDLE_MAGIC };
struct alloc_handle_t handle = {
.magic = GRALLOC_HANDLE_MAGIC,
.version = GRALLOC_HANDLE_VERSION };
native_handle_t *nhandle = native_handle_create(GRALLOC_HANDLE_NUM_FDS,
GRALLOC_HANDLE_NUM_INTS);