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authorRobert Foss <robert.foss@collabora.com>2018-01-16 18:07:15 +0100
committerRobert Foss <robert.foss@collabora.com>2018-02-14 17:33:58 +0100
commite75e0ea2e3e29aa65dff868b1088bd41d9405781 (patch)
treeb44f5a6fdc6e1b22026f780f5c0844709aaa145a
parent8e00d5ffbda7ae7ef6e33aa51aa71a0bf347f488 (diff)
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android: Change gralloc_handle_t members to be fixed width
In order to lessen future alignment issues, lets switch to fixed width integers where possible. This excludes the data_owner since it is a pid_t which in theory could be larger than 32 bits. Signed-off-by: Robert Foss <robert.foss@collabora.com> Reviewed-by: Rob Herring <robh@kernel.org>
-rw-r--r--android/gralloc_handle.h20
1 files changed, 11 insertions, 9 deletions
diff --git a/android/gralloc_handle.h b/android/gralloc_handle.h
index 9648b006..b47bee19 100644
--- a/android/gralloc_handle.h
+++ b/android/gralloc_handle.h
@@ -51,15 +51,15 @@ struct gralloc_handle_t {
int prime_fd;
/* api variables */
- const int magic; /* differentiate between allocator impls */
+ const uint32_t 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 */
- int format; /* pixel format (Android) */
- int usage; /* android libhardware usage flags */
+ uint32_t width; /* width of buffer in pixels */
+ uint32_t height; /* height of buffer in pixels */
+ uint32_t format; /* pixel format (Android) */
+ uint32_t usage; /* android libhardware usage flags */
- int stride; /* the stride in bytes */
+ uint32_t stride; /* the stride in bytes */
uint64_t modifier; /* buffer modifiers */
int data_owner; /* owner of data (for validation) */
@@ -69,7 +69,7 @@ struct gralloc_handle_t {
} __attribute__((aligned(8)));
};
-#define GRALLOC_HANDLE_VERSION 2
+#define GRALLOC_HANDLE_VERSION 3
#define GRALLOC_HANDLE_MAGIC 0x60585350
#define GRALLOC_HANDLE_NUM_FDS 1
#define GRALLOC_HANDLE_NUM_INTS ( \
@@ -79,8 +79,10 @@ struct gralloc_handle_t {
/**
* Create a buffer handle.
*/
-static struct gralloc_handle_t gralloc_handle_create(int width, int height,
- int format, int usage)
+static struct gralloc_handle_t gralloc_handle_create(int32_t width,
+ int32_t height,
+ int32_t format,
+ int32_t usage)
{
struct alloc_handle_t handle = {
.magic = GRALLOC_HANDLE_MAGIC,