[Mesa-dev] [PATCH v4 5/5] android: Change gralloc_handle_t members to be fixed width
Robert Foss
robert.foss at collabora.com
Mon Feb 12 13:35:49 UTC 2018
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 at collabora.com>
Reviewed-by: Rob Herring <robh at kernel.org>
---
android/gralloc_handle.h | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/android/gralloc_handle.h b/android/gralloc_handle.h
index 9648b006c982..b47bee191f94 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,
--
2.14.1
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